CN108566106A - A kind of inverter support flutters structure - Google Patents
A kind of inverter support flutters structure Download PDFInfo
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- CN108566106A CN108566106A CN201810647308.3A CN201810647308A CN108566106A CN 108566106 A CN108566106 A CN 108566106A CN 201810647308 A CN201810647308 A CN 201810647308A CN 108566106 A CN108566106 A CN 108566106A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 230000009467 reduction Effects 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 17
- 238000004146 energy storage Methods 0.000 claims description 15
- 210000001367 artery Anatomy 0.000 claims description 9
- 210000003462 vein Anatomy 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000005669 field effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4807—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode having a high frequency intermediate AC stage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Structure is flutterred the present invention relates to a kind of inverter support, including reduction voltage circuit or step-up/step-down circuit, bridge-type conversion circuit and to control the control circuit of step-up/step-down circuit working condition.The control circuit includes signal generating unit, comparing unit, signal delay unit and driving unit；The comparing unit is connected with the output of bridge-type conversion circuit, to by the output valve of bridge-type conversion circuit compared with preset output valve；The driving unit is connected with the switching tube in step-up/step-down circuit, to control corresponding switching tube conducting or shutdown in step-up/step-down circuit according to the comparison result of comparing unit, and then controls the working condition of step-up/step-down circuit.The present invention has many advantages, such as simple in structure, high efficiency.
Description
Technical field
The present invention relates to inverter design field, especially a kind of inverter support flutters structure.
Background technology
Solar inverter generally by booster circuit, transformer conversion circuit and conversion circuit composition or by booster circuit and
Chopper circuit forms, and transformer conversion circuit is made of four open pipes and a high frequency transformer, by the output electricity of booster circuit
It can be converted into half-sine wave electric energy, conversion circuit is made of four open pipes, the half-sine wave that transformer conversion circuit is exported
Electric energy is converted into AC sine wave electric energy.This structure is circuit complexity, and loss is big, of high cost, and advantage is circuit maturation, can
It leans on.
Non-isolated solar inverter, the chopper circuit being made of booster circuit and four switching tubes, inductance form.It is former
Reason is that DC voltage will be converted into AC sine wave electricity by chopper circuit after boosting.The shortcomings that this structure, switching tube must use
The relatively low both switching frequencies of IGBT, IGBT switching speed are relatively low, and control circuit is complicated, and output filter circuit is more demanding.
Invention content
In view of this, the purpose of the present invention is to propose to a kind of inverter supports to flutter structure, have simple in structure, high efficiency etc. excellent
Point.
The present invention is realized using following scheme：A kind of inverter support flutters structure, including reduction voltage circuit, bridge-type conversion circuit,
And to control the control circuit of step-up/step-down circuit working condition；Or step-up/step-down circuit, bridge-type conversion circuit and to
Control the control circuit of step-up/step-down circuit working condition；
The control circuit includes signal generating unit, comparing unit, signal delay unit and driving unit；It is described relatively more single
Member includes two inputs, one of them is connected with the input of bridge-type conversion circuit, another is connected with the signal generating unit；
The output of the comparing unit is connected to the driving unit through signal delay unit, the driving unit in step-up/step-down circuit
Switching tube be connected, to control corresponding switching tube conducting in step-up/step-down circuit according to the comparison result of comparing unit or close
It is disconnected, and then control the working condition of step-up/step-down circuit.
Further, the step-up/step-down circuit includes first switch pipe Q11, second switch pipe Q12, inductance L10, resistance
R10；The bridge-type conversion circuit includes that third switching tube Q13, the 4th switching tube Q14, the 5th switching tube Q15 and the 6th are opened
Close pipe Q16；Described in the first terminals of the first terminals of the first switch pipe Q11 and the second switch pipe Q12 are used as
The input of step-up/step-down circuit, the second wiring of the second terminals of the first switch pipe Q11 and the second switch pipe Q12
End, one end of inductance L10 are connected, and the first terminals of the second switch pipe Q12 are additionally coupled to one end of resistance R10, described
The other end of the other end of resistance R10 and the inductance L10 as the step-up/step-down circuit output and respectively with as bridge
The first terminals of the third switching tube Q13 of the input of formula conversion circuit, the first terminals of the third switching tube Q14
It is connected, the first terminals of the third switching tube Q13 are also connected with the first terminals of the 5th switching tube Q15, described
The first terminals of 4th switching tube Q14 are also connected with the first terminals of the 6th switching tube Q16, the third switching tube
The second terminals of Q13 are connected with the second terminals of the 4th switching tube Q14 and are connected with one end of output loading, and the described 5th
The second terminals of switching tube Q15 are connected with the second terminals of the 6th switching tube Q16 and are connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal；The control circuit
Output be connected with the control terminal of the first switch pipe Q11, second switch pipe Q12, to be sent to drive signal；
When actual output current signal is less than the current signal of half-wave signa, the Q11 conductings of first switch pipe, second switch pipe
Q12 is turned off so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is big
When the current signal of half-wave signa, first switch pipe Q11 shutdowns, second switch pipe Q12 is connected, and inductance L10 discharges energy storage, makes
Actual output current signal is obtained to reduce and keep up with the current signal of half-wave signa.
Further, the step-up/step-down circuit include first switch pipe Q10, second switch pipe Q11, third switching tube Q12,
First diode D11, the second diode D12, the first capacitance C10, the second capacitance C11, inductance L10, resistance R10, transformer
T10；The bridge-type conversion circuit is opened including the 4th switching tube Q13, the 5th switching tube Q14, the 6th switching tube Q15 and the 7th
Close pipe Q16；Described in the first terminals of the first terminals of the first switch pipe Q10 and the second switch pipe Q11 are used as
The input of step-up/step-down circuit, the second terminals of the second switch pipe Q10 are opened with one end of the inductance L10, described second
The second terminals for closing pipe Q11 are connected, the first terminals of the second switch pipe Q11 also with the first capacitance C10 just
Pole, the first terminals of third switching tube Q12, one end of vice-side winding of transformer T10, one end of the second capacitance C11 and
One end of resistance R10 is connected, the main side of the cathode of the first capacitance C10 and the other end of the inductance L10, transformer T10
The winding other end, the anode of the first diode D11 are connected, the second terminals and the transformer of the third switching tube Q12
Main limit winding one end of T10 is connected, and the vice-side winding other end of the transformer T10 is connected with the anode of the second diode D12,
The other end of the first diode D11 is connected with the other end of the other end of the second diode D12, the second capacitance C11, described
The other end of the cathode of first diode D11 and the resistance R10 as the step-up/step-down circuit output and respectively with conduct
The first terminals of 5th switching tube Q14 of bridge-type conversion circuit input, the first terminals of the 4th switching tube Q13 are connected, institute
The first terminals for stating the 4th switching tube Q13 are also connected with the first terminals of the 6th switching tube Q15, the 5th switch
The first terminals of pipe Q14 are also connected with the first terminals of the 7th switching tube Q16, and the of the 4th switching tube Q13
Two terminals are connected with the second terminals of the 5th switching tube Q14 and are connected with one end of output loading, the 6th switching tube
The second terminals of Q15 are connected with the second terminals of the 7th switching tube Q16 and are connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, the 4th switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q10, second switch pipe Q11, the control terminal of third switching tube Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, first switch pipe Q10 conducting, the Q11 shutdowns of second switch pipe so that actual output current signal increase and with
The current signal of upper half-wave signa；When actual output current signal is more than the current signal of half-wave signa, first switch pipe Q10
Shutdown, the Q11 conductings of second switch pipe, inductance L10 discharge energy storage so that actual output current signal reduces and keeps up with half-wave signa
Current signal；
When output voltage is higher than input voltage：The Q10 conductings of first switch pipe, the Q11 shutdowns of second switch pipe, control circuit pass through
Pwm signal controls the turn-on and turn-off of third switching tube Q12；When actual output current signal is less than the current signal of half-wave signa
When, increase pwm signal pulsewidth so that actual output current signal increases and keeps up with the current signal of half-wave signa；When practical defeated
When going out current signal of the current signal less than half-wave signa, reduce pwm signal pulsewidth so that actual output current signal reduces simultaneously
Keep up with the current signal of half-wave signa.
Wherein, driving unit includes switching tube driver and PWM drive circuit, and wherein switching tube driver can be field
Effect pipe driver, to drive first switch pipe Q10 and second switch pipe Q11；PWM drive circuit is driving third to open
Close pipe Q12.
Further, the step-up/step-down circuit include first switch pipe Q11, second switch pipe Q12, the first diode D11,
Second diode D12, third diode D13, the first capacitance C10, the second capacitance C11, inductance L10, resistance R10, transformer
T10；The bridge-type conversion circuit includes that third switching tube Q13, the 4th switching tube Q14, the 5th switching tube Q15 and the 6th are opened
Close pipe Q16；The anode of the first terminals of the first switch pipe Q11 and the third diode D13 are as the buck
The input of circuit, the second terminals of the second switch pipe Q11 and one end of the inductance L10, the third diode D13
Cathode be connected, the anode of the third diode D13 also with one end of the first capacitance C10, second switch pipe Q12 the
One terminals, one end of vice-side winding of transformer T10, one end of the second capacitance C11 and resistance R10 one end be connected, institute
State the other end and the other end of the inductance L10, the main limit winding other end of transformer T10, the one or two pole of the first capacitance C10
The anode of pipe D11 is connected, the second terminals of the second switch pipe Q12 and main limit winding one end phase of the transformer T10
Even, the vice-side winding other end of the transformer T10 is connected with the anode of the second diode D12, the first diode D11's
The other end is connected with the other end of the other end of the second diode D12, the second capacitance C11, the cathode of the first diode D11
With the other end of the resistance R10 as the step-up/step-down circuit output and respectively with inputted as bridge-type conversion circuit
The first terminals of four switching tube Q14, the first terminals of third switching tube Q13 are connected, and the first of the third switching tube Q13
Terminals are also connected with the first terminals of the 5th switching tube Q15, the first terminals of the 4th switching tube Q14 also with
The first terminals of the 6th switching tube Q16 are connected, the second terminals and the 4th switching tube of the third switching tube Q13
The second terminals of Q14 are connected and are connected with one end of output loading, the second terminals and the 6th of the 5th switching tube Q15
The second terminals of switching tube Q16 are connected and are connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q11, the control terminal of second switch pipe Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, first switch pipe Q11 conducting so that actual output current signal, which increases and keeps up with the electric current of half-wave signa, to be believed
Number；When actual output current signal is more than the current signal of half-wave signa, control circuit controls the Q11 shutdowns of first switch pipe,
Inductance L10 discharges energy storage so that actual output current signal reduces and keeps up with the current signal of half-wave signa；
When output voltage is higher than input voltage, first switch pipe Q11 conductings, control circuit is opened by pwm signal control second
Close the turn-on and turn-off of pipe Q12；When actual output current signal is less than the current signal of half-wave signa, increase pwm signal arteries and veins
It is wide so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is less than half
When the current signal of wave signal, reduce pwm signal pulsewidth so that actual output current signal reduces and keeps up with the electricity of half-wave signa
Flow signal.
Wherein, driving unit includes switching tube driver and PWM drive circuit, and wherein switching tube driver can be field
Effect pipe driver, to drive first switch pipe Q11；PWM drive circuit is driving second switch pipe Q12.
Further, the step-up/step-down circuit include first switch pipe Q10, second switch pipe Q12, the first diode D10,
Second diode D12, inductance L10, capacitance C11, resistance R10；The bridge-type conversion circuit includes third switching tube Q13, the 4th
Switching tube Q14, the 5th switching tube Q15, the 6th switching tube Q16；The first terminals and described second of the first switch pipe Q10
Input of the anode of diode D12 as the step-up/step-down circuit, the second terminals and the electricity of the first switch pipe Q10
Feel one end of L10, the cathode of the second diode D12 is connected, the anode of second diode also with the second switch
The first terminals of pipe Q12, one end of capacitance C11, resistance R10 one end be connected, the other end of the inductance L10 and described the
The second terminals of two switching tube Q12, the anode of the first diode D10 are connected, cathode and the electricity of first diode
The other end for holding C11 is connected, and the cathode of the first diode D10 is with the other end of the resistance R10 as the buck
The output of circuit is simultaneously opened with the first terminals of the 4th switching tube Q14 inputted as the bridge-type conversion circuit, third respectively
The first terminals for closing pipe Q13 are connected；The first terminals of the third switching tube Q13 are also with the 5th switching tube Q15's
First terminals are connected, the first terminals of the first terminals of the 4th switching tube Q14 also with the 6th switching tube Q16
It is connected, the second terminals of the third switching tube Q13 are connected with the second terminals of the 4th switching tube Q14 and and output loading
One end be connected, the second terminals of the 5th switching tube Q15 be connected with the second terminals of the 6th switching tube Q16 and with it is defeated
The other end for going out load is connected；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q10, the control terminal of second switch pipe Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, control circuit controls first switch pipe Q10 conducting so that actual output current signal increases and keeps up with half-wave
The current signal of signal；When actual output current signal is more than the current signal of half-wave signa, control circuit control first is opened
Pipe Q10 shutdowns are closed, inductance L10 discharges energy storage so that actual output current signal reduces and keeps up with the current signal of half-wave signa；
When output voltage is higher than input voltage：The Q10 conductings of first switch pipe, control circuit are opened by pwm signal control second
Close the turn-on and turn-off of pipe Q12；When actual output current signal is less than the current signal of half-wave signa, increase pwm signal arteries and veins
It is wide so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is less than half
When the current signal of wave signal, reduce pwm signal pulsewidth so that actual output current signal reduces and keeps up with the electricity of half-wave signa
Flow signal.
Wherein, driving unit includes switching tube driver and PWM drive circuit, and wherein switching tube driver can be field
Effect pipe driver, to drive first switch pipe Q10；PWM drive circuit is driving second switch pipe Q12.
Further, the step-up/step-down circuit include first switch pipe Q10, second switch pipe Q12, the first diode D10,
7th switching tube Q17, inductance L10, capacitance C11, resistance R10；The bridge-type conversion circuit includes third switching tube Q13, the 4th
Switching tube Q14, the 5th switching tube Q15, the 6th switching tube Q16；The first terminals and the described 7th of the first switch pipe Q10
Input of the first terminals of switching tube Q17 as the step-up/step-down circuit, the second terminals of the first switch pipe Q10 with
One end of the inductance L10, the second terminals of the 7th switching tube Q17 are connected, and the first of the 7th switching tube Q17 connects
Line end is also connected with the first terminals of the second switch pipe Q12, one end of capacitance C11, one end of resistance R10, the electricity
The other end of sense L10 is connected with the anode of the second terminals of the second switch pipe Q12, the first diode D10, and described first
The cathode of diode is connected with the other end of the capacitance C11, and the cathode of the first diode D10 is with the resistance R10's
The other end as the step-up/step-down circuit output and respectively with the 4th switching tube Q14 that is inputted as the bridge-type conversion circuit
The first terminals, third switching tube Q13 the first terminals be connected；The first terminals of the third switching tube Q13 also with
The first terminals of the 5th switching tube Q15 are connected, and the first terminals of the 4th switching tube Q14 are also opened with the described 6th
The first terminals for closing pipe Q16 are connected, and the second terminals of the third switching tube Q13 connect with the second of the 4th switching tube Q14
Line end is connected and is connected with one end of output loading, the second terminals of the 5th switching tube Q15 and the 6th switching tube Q16's
Second terminals are connected and are connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q10, the control terminal of second switch pipe Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, first switch pipe Q10 conducting, the 7th switching tube Q17 shutdowns so that actual output current signal increase and with
The current signal of upper half-wave signa；When actual output current signal is more than the current signal of half-wave signa, first switch pipe Q10
Shutdown, the 7th switching tube Q17 conductings, inductance L10 discharge energy storage so that actual output current signal reduces and keeps up with half-wave signa
Current signal；
When output voltage is higher than input voltage：The Q10 conductings of first switch pipe；Control circuit is opened by pwm signal control second
Close the turn-on and turn-off of pipe Q12；When actual output current signal is less than the current signal of half-wave signa, increase pwm signal arteries and veins
It is wide so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is less than half
When the current signal of wave signal, reduce pwm signal pulsewidth so that actual output current signal reduces and keeps up with the electricity of half-wave signa
Flow signal.
Wherein, driving unit includes switching tube driver and PWM drive circuit, and wherein switching tube driver can be field
Effect pipe driver, to drive first switch pipe Q10 and the 7th switching tube Q17；PWM drive circuit is opened to drive second
Close pipe Q12.
Preferably, the transformer T10 is flyback transformer.
Preferably, each diode is fast recovery diode.
Preferably, the signal generating unit includes microprocessor or analog signal generator.The desired output
Half-wave signa is generated by signal generating unit, is controlled desired output half-wave signa amplitude and is controlled output electric energy.
Preferably, the signal generating unit includes microprocessor or analog signal generator.
Particularly, the switching tube is field-effect tube MOSFET.
Compared with prior art, the present invention has following advantageous effect：The present invention by reduction voltage circuit, bridge-type conversion circuit and
Control circuit is formed or is made of step-up/step-down circuit, bridge-type conversion circuit and control circuit, by by output current and phase
The output current of prestige controls the working condition of step-up/step-down circuit compared to relatively, so that output current is almost protected with expectation electric current
It holds consistent.Circuit of the present invention is simple, and can realize higher transfer efficiency.
Description of the drawings
Fig. 1 is the circuit theory schematic diagram 1 of the embodiment of the present invention.
Fig. 2 is the circuit theory schematic diagram 2 of the embodiment of the present invention
Fig. 3 is the circuit theory schematic diagram 3 of the embodiment of the present invention.
Fig. 4 is the circuit theory schematic diagram 4 of the embodiment of the present invention.
Fig. 5 is the circuit theory schematic diagram 5 of the embodiment of the present invention.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It present embodiments provides a kind of inverter support and flutters structure, including reduction voltage circuit, bridge-type conversion circuit and to control
The control circuit of step-up/step-down circuit working condition processed；Or step-up/step-down circuit, bridge-type conversion circuit and to control buck
The control circuit of circuit working state；
The control circuit includes signal generating unit, comparing unit, signal delay unit and driving unit；It is described relatively more single
Member includes two inputs, one of them is connected with the input of bridge-type conversion circuit, another is connected with the signal generating unit；
The output of the comparing unit is connected to the driving unit through signal delay unit, the driving unit in step-up/step-down circuit
Switching tube be connected, to control corresponding switching tube conducting in step-up/step-down circuit according to the comparison result of comparing unit or close
It is disconnected, and then control the working condition of step-up/step-down circuit.
As shown in Figure 1, in the present embodiment, the step-up/step-down circuit include first switch pipe Q11, second switch pipe Q12,
Inductance L10, resistance R10；The bridge-type conversion circuit includes third switching tube Q13, the 4th switching tube Q14, the 5th switching tube
Q15 and the 6th switching tube Q16；The first terminals of the first switch pipe Q11 and the first of the second switch pipe Q12
Input of the terminals as the step-up/step-down circuit, the second terminals and the second switch pipe of the first switch pipe Q11
The second terminals of Q12, one end of inductance L10 are connected, and the first terminals of the second switch pipe Q12 are additionally coupled to resistance
Output of the other end of one end of R10, the other end of the resistance R10 and the inductance L10 as the step-up/step-down circuit
And the first terminals, the third switching tube with the third switching tube Q13 of the input as bridge-type conversion circuit respectively
The first terminals of Q14 are connected, the first terminals of the third switching tube Q13 also with the 5th switching tube Q15 first
Terminals are connected, the first terminals phase of the first terminals of the 4th switching tube Q14 also with the 6th switching tube Q16
Even, the second terminals of the third switching tube Q13 be connected with the second terminals of the 4th switching tube Q14 and with output loading
One end be connected, the second terminals of the 5th switching tube Q15 be connected with the second terminals of the 6th switching tube Q16 and with output
The other end of load is connected；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal；The control circuit
Output be connected with the control terminal of the first switch pipe Q11, second switch pipe Q12, to be sent to drive signal；
When actual output current signal is less than the current signal of half-wave signa, the Q11 conductings of first switch pipe, second switch pipe
Q12 is turned off so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is big
When the current signal of half-wave signa, first switch pipe Q11 shutdowns, second switch pipe Q12 is connected, and inductance L10 discharges energy storage, makes
Actual output current signal is obtained to reduce and keep up with the current signal of half-wave signa.
As shown in Fig. 2, in the present embodiment, the step-up/step-down circuit include first switch pipe Q10, second switch pipe Q11,
Third switching tube Q12, the first diode D11, the second diode D12, the first capacitance C10, the second capacitance C11, inductance L10, electricity
Hinder R10, transformer T10；The bridge-type conversion circuit includes the 4th switching tube Q13, the 5th switching tube Q14, the 6th switching tube
Q15 and the 7th switching tube Q16；The first terminals of the first switch pipe Q10 and the first of the second switch pipe Q11
Input of the terminals as the step-up/step-down circuit, the second terminals of the second switch pipe Q10 and the one of the inductance L10
End, the second switch pipe Q11 the second terminals be connected, the first terminals of the second switch pipe Q11 are also with described the
The anode of one capacitance C10, the first terminals of third switching tube Q12, one end of vice-side winding of transformer T10, the second capacitance
One end of C11 and one end of resistance R10 are connected, the cathode of the first capacitance C10 and the other end of the inductance L10, change
The main limit winding other end of depressor T10, the anode of the first diode D11 are connected, the second terminals of the third switching tube Q12
It is connected with main limit winding one end of the transformer T10, the vice-side winding other end and the second diode of the transformer T10
The anode of D12 is connected, the other end of the first diode D11 and the other end of the second diode D12, the second capacitance C11
The other end is connected, and the cathode of the first diode D11 is with the other end of the resistance R10 as the defeated of the step-up/step-down circuit
Go out and respectively with the first terminals of the 5th switching tube Q14 inputted as bridge-type conversion circuit, the 4th switching tube Q13 first
Terminals are connected, the first terminals phase of the first terminals of the 4th switching tube Q13 also with the 6th switching tube Q15
Even, the first terminals of the 5th switching tube Q14 are also connected with the first terminals of the 7th switching tube Q16, and described the
The second terminals of four switching tube Q13 are connected with the second terminals of the 5th switching tube Q14 and are connected with one end of output loading,
The second terminals of the 6th switching tube Q15 are connected and another with output loading with the second terminals of the 7th switching tube Q16
One end is connected；
The input of the control circuit be separately connected it is desired output half-wave signa, the 4th switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q10, second switch pipe Q11, the control terminal of third switching tube Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, first switch pipe Q10 conducting, the Q11 shutdowns of second switch pipe so that actual output current signal increase and with
The current signal of upper half-wave signa；When actual output current signal is more than the current signal of half-wave signa, first switch pipe Q10
Shutdown, the Q11 conductings of second switch pipe, inductance L10 discharge energy storage so that actual output current signal reduces and keeps up with half-wave signa
Current signal；
When output voltage is higher than input voltage：The Q10 conductings of first switch pipe, the Q11 shutdowns of second switch pipe, control circuit pass through
Pwm signal controls the turn-on and turn-off of third switching tube Q12；When actual output current signal is less than the current signal of half-wave signa
When, increase pwm signal pulsewidth so that actual output current signal increases and keeps up with the current signal of half-wave signa；When practical defeated
When going out current signal of the current signal less than half-wave signa, reduce pwm signal pulsewidth so that actual output current signal reduces simultaneously
Keep up with the current signal of half-wave signa.
Wherein, driving unit includes switching tube driver and PWM drive circuit, and wherein switching tube driver can be field
Effect pipe driver, to drive first switch pipe Q10 and second switch pipe Q11；PWM drive circuit is driving third to open
Close pipe Q12.
As shown in figure 3, in the present embodiment, the step-up/step-down circuit include first switch pipe Q11, second switch pipe Q12,
First diode D11, the second diode D12, third diode D13, the first capacitance C10, the second capacitance C11, inductance L10, electricity
Hinder R10, transformer T10；The bridge-type conversion circuit includes third switching tube Q13, the 4th switching tube Q14, the 5th switching tube
Q15 and the 6th switching tube Q16；The anode of the first terminals of the first switch pipe Q11 and the third diode D13
As the input of the step-up/step-down circuit, the second terminals of the second switch pipe Q11 and one end of the inductance L10, institute
The cathode for stating third diode D13 is connected, the anode of the third diode D13 also with one end of the first capacitance C10, the
The first terminals of two switching tube Q12, one end of the vice-side winding of transformer T10, one end of the second capacitance C11 and resistance
One end of R10 is connected, the other end of the first capacitance C10 and the other end of the inductance L10, transformer T10 main side around
The group other end, the anode of the first diode D11 are connected, the second terminals and the transformer T10 of the second switch pipe Q12
Main limit winding one end be connected, the vice-side winding other end of the transformer T10 is connected with the anode of the second diode D12, institute
The other end for stating the first diode D11 is connected with the other end of the other end of the second diode D12, the second capacitance C11, and described
The other end of the cathode of one diode D11 and the resistance R10 as the step-up/step-down circuit output and respectively with as bridge
The first terminals of 4th switching tube Q14 of formula conversion circuit input, the first terminals of third switching tube Q13 are connected, described
The first terminals of third switching tube Q13 are also connected with the first terminals of the 5th switching tube Q15, the 4th switching tube
The first terminals of Q14 are also connected with the first terminals of the 6th switching tube Q16, and the second of the third switching tube Q13
Terminals are connected with the second terminals of the 4th switching tube Q14 and are connected with one end of output loading, the 5th switching tube Q15
The second terminals be connected with the second terminals of the 6th switching tube Q16 and be connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q11, the control terminal of second switch pipe Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, first switch pipe Q11 conducting so that actual output current signal, which increases and keeps up with the electric current of half-wave signa, to be believed
Number；When actual output current signal is more than the current signal of half-wave signa, control circuit controls the Q11 shutdowns of first switch pipe,
Inductance L10 discharges energy storage so that actual output current signal reduces and keeps up with the current signal of half-wave signa；
When output voltage is higher than input voltage, first switch pipe Q11 conductings, control circuit is opened by pwm signal control second
Close the turn-on and turn-off of pipe Q12；When actual output current signal is less than the current signal of half-wave signa, increase pwm signal arteries and veins
It is wide so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is less than half
When the current signal of wave signal, reduce pwm signal pulsewidth so that actual output current signal reduces and keeps up with the electricity of half-wave signa
Flow signal.
Wherein, driving unit includes switching tube driver and PWM drive circuit, and wherein switching tube driver can be field
Effect pipe driver, to drive first switch pipe Q11；PWM drive circuit is driving second switch pipe Q12.
As shown in figure 4, in the present embodiment, the step-up/step-down circuit include first switch pipe Q10, second switch pipe Q12,
First diode D10, the second diode D12, inductance L10, capacitance C11, resistance R10；The bridge-type conversion circuit includes third
Switching tube Q13, the 4th switching tube Q14, the 5th switching tube Q15, the 6th switching tube Q16；The first of the first switch pipe Q10 connects
Input of the anode of line end and the second diode D12 as the step-up/step-down circuit, the second of the first switch pipe Q10
Terminals are connected with the cathode of one end of the inductance L10, the second diode D12, and the anode of second diode is also
It is connected with the first terminals of the second switch pipe Q12, one end of capacitance C11, one end of resistance R10, the inductance L10's
The other end is connected with the anode of the second terminals of the second switch pipe Q12, the first diode D10, first diode
Cathode be connected with the other end of the capacitance C11, the other end of the cathode and the resistance R10 of the first diode D10
Output as the step-up/step-down circuit and first with the 4th switching tube Q14 inputted as the bridge-type conversion circuit respectively
Terminals, the first terminals of third switching tube Q13 are connected；The first terminals of the third switching tube Q13 are also with described
The first terminals of five switching tube Q15 are connected, the first terminals of the 4th switching tube Q14 also with the 6th switching tube
The first terminals of Q16 are connected, the second terminals of the second terminals and the 4th switching tube Q14 of the third switching tube Q13
It is connected and is connected with one end of output loading, the second terminals of the 5th switching tube Q15 and the second of the 6th switching tube Q16
Terminals are connected and are connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q10, the control terminal of second switch pipe Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, control circuit controls first switch pipe Q10 conducting so that actual output current signal increases and keeps up with half-wave
The current signal of signal；When actual output current signal is more than the current signal of half-wave signa, control circuit control first is opened
Pipe Q10 shutdowns are closed, inductance L10 discharges energy storage so that actual output current signal reduces and keeps up with the current signal of half-wave signa；
When output voltage is higher than input voltage：The Q10 conductings of first switch pipe, control circuit are opened by pwm signal control second
Close the turn-on and turn-off of pipe Q12；When actual output current signal is less than the current signal of half-wave signa, increase pwm signal arteries and veins
It is wide so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is less than half
When the current signal of wave signal, reduce pwm signal pulsewidth so that actual output current signal reduces and keeps up with the electricity of half-wave signa
Flow signal.
Wherein, driving unit includes switching tube driver and PWM drive circuit, and wherein switching tube driver can be field
Effect pipe driver, to drive first switch pipe Q10；PWM drive circuit is driving second switch pipe Q12.
As shown in figure 5, in the present embodiment, the step-up/step-down circuit include first switch pipe Q10, second switch pipe Q12,
First diode D10, the 7th switching tube Q17, inductance L10, capacitance C11, resistance R10；The bridge-type conversion circuit includes third
Switching tube Q13, the 4th switching tube Q14, the 5th switching tube Q15, the 6th switching tube Q16；The first of the first switch pipe Q10 connects
Input of the first terminals of line end and the 7th switching tube Q17 as the step-up/step-down circuit, the first switch pipe Q10
The second terminals be connected with second terminals of one end of the inductance L10, the 7th switching tube Q17, the described 7th opens
Close the first terminals of pipe Q17 also with the first terminals of the second switch pipe Q12, one end of capacitance C11, resistance R10
One end is connected, the other end of the inductance L10 and the second terminals of the second switch pipe Q12, the sun of the first diode D10
Extremely it is connected, the cathode of first diode is connected with the other end of the capacitance C11, the cathode of the first diode D10
It is inputted respectively as the output of the step-up/step-down circuit and with as the bridge-type conversion circuit with the other end of the resistance R10
The first terminals of the 4th switching tube Q14, third switching tube Q13 the first terminals be connected；The third switching tube Q13's
First terminals are also connected with the first terminals of the 5th switching tube Q15, the first terminals of the 4th switching tube Q14
Also it is connected with the first terminals of the 6th switching tube Q16, the second terminals of the third switching tube Q13 and the 4th switch
The second terminals of pipe Q14 are connected and are connected with one end of output loading, the second terminals of the 5th switching tube Q15 and the
The second terminals of six switching tube Q16 are connected and are connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q10, the control terminal of second switch pipe Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, first switch pipe Q10 conducting, the 7th switching tube Q17 shutdowns so that actual output current signal increase and with
The current signal of upper half-wave signa；When actual output current signal is more than the current signal of half-wave signa, first switch pipe Q10
Shutdown, the 7th switching tube Q17 conductings, inductance L10 discharge energy storage so that actual output current signal reduces and keeps up with half-wave signa
Current signal；
When output voltage is higher than input voltage：The Q10 conductings of first switch pipe；Control circuit is opened by pwm signal control second
Close the turn-on and turn-off of pipe Q12；When actual output current signal is less than the current signal of half-wave signa, increase pwm signal arteries and veins
It is wide so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is less than half
When the current signal of wave signal, reduce pwm signal pulsewidth so that actual output current signal reduces and keeps up with the electricity of half-wave signa
Flow signal.
Wherein, driving unit includes switching tube driver and PWM drive circuit, and wherein switching tube driver can be field
Effect pipe driver, to drive first switch pipe Q10 and the 7th switching tube Q17；PWM drive circuit is opened to drive second
Close pipe Q12.
Preferably, in the present embodiment, the transformer T10 is flyback transformer.
Preferably, in the present embodiment, each diode is fast recovery diode.
Preferably, in the present embodiment, the signal generating unit includes microprocessor or analog signal generator.Institute
It states desired output half-wave signa to be generated by microprocessor or analog signal generator, controls desired output half-wave signa width
Degree i.e. control output electric energy.
Particularly, in the present embodiment, the switching tube is field-effect tube MOSFET.
Particularly, in Fig. 2, control circuit is also connected with the control terminal of Q11, in order to which schematic diagram is more succinct, does not have in figure
It draws.Similarly, in Fig. 5, control circuit is also connected with the control terminal of Q17, in order to which schematic diagram is more succinct, is not drawn in figure.
In figure, output loading is AC POWER OUT whereabouts.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of inverter support flutters structure, it is characterised in that：Including reduction voltage circuit, bridge-type conversion circuit and to control drop
The control circuit of volt circuit working condition；Or step-up/step-down circuit, bridge-type conversion circuit and to control step-up/step-down circuit work
Make the control circuit of state；
The control circuit includes signal generating unit, comparing unit, signal delay unit and driving unit；It is described relatively more single
Member includes two inputs, one of them is connected with the input of bridge-type conversion circuit, another is connected with the signal generating unit；
The output of the comparing unit is connected to the driving unit through signal delay unit, the driving unit in step-up/step-down circuit
Switching tube be connected, to control corresponding switching tube conducting in step-up/step-down circuit according to the comparison result of comparing unit or close
It is disconnected, and then control the working condition of step-up/step-down circuit.
2. a kind of inverter support according to claim 1 flutters structure, it is characterised in that：The reduction voltage circuit is opened including first
Close pipe Q11, second switch pipe Q12, inductance L10, resistance R10；The bridge-type conversion circuit includes third switching tube Q13, the 4th
Switching tube Q14, the 5th switching tube Q15 and the 6th switching tube Q16；The first terminals of the first switch pipe Q11 with it is described
Input of the first terminals of second switch pipe Q12 as the step-up/step-down circuit, the second wiring of the first switch pipe Q11
End is connected with one end of the second terminals of the second switch pipe Q12, inductance L10, and the first of the second switch pipe Q12 connects
Line end is additionally coupled to one end of resistance R10, described in the other end of the other end of the resistance R10 and the inductance L10 is used as
The output of step-up/step-down circuit and respectively the first wiring with the third switching tube Q13 of the input as bridge-type conversion circuit
End, the third switching tube Q14 the first terminals be connected, the first terminals of the third switching tube Q13 are also with described the
The first terminals of five switching tube Q15 are connected, the first terminals of the 4th switching tube Q14 also with the 6th switching tube
The first terminals of Q16 are connected, the second terminals of the second terminals and the 4th switching tube Q14 of the third switching tube Q13
It is connected and is connected with one end of output loading, the second terminals of the 5th switching tube Q15 and the second of the 6th switching tube Q16
Terminals are connected and are connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal；The control circuit
Output be connected with the control terminal of the first switch pipe Q11, second switch pipe Q12, to be sent to drive signal；
When actual output current signal is less than the current signal of half-wave signa, the Q11 conductings of first switch pipe, second switch pipe
Q12 is turned off so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is big
When the current signal of half-wave signa, first switch pipe Q11 shutdowns, second switch pipe Q12 is connected, and inductance L10 discharges energy storage, makes
Actual output current signal is obtained to reduce and keep up with the current signal of half-wave signa.
3. a kind of inverter support according to claim 1 flutters structure, it is characterised in that：The step-up/step-down circuit includes first
Switching tube Q10, second switch pipe Q11, third switching tube Q12, the first diode D11, the second diode D12, the first capacitance
C10, the second capacitance C11, inductance L10, resistance R10, transformer T10；The bridge-type conversion circuit include the 4th switching tube Q13,
5th switching tube Q14, the 6th switching tube Q15 and the 7th switching tube Q16；The first terminals of the first switch pipe Q10 with
Input of the first terminals of the second switch pipe Q11 as the step-up/step-down circuit, the second of the second switch pipe Q10
Terminals are connected with second terminals of one end of the inductance L10, the second switch pipe Q11, the second switch pipe Q11
Pair of first terminals also with the anode of the first capacitance C10, the first terminals of third switching tube Q12, transformer T10
One end of one end of side winding, one end of the second capacitance C11 and resistance R10 is connected, the cathode of the first capacitance C10 with
The other end of the inductance L10, the main limit winding other end of transformer T10, the first diode D11 anode be connected, described the
The second terminals of three switching tube Q12 are connected with main limit winding one end of the transformer T10, the secondary side of the transformer T10
The winding other end is connected with the anode of the second diode D12, the other end and the second diode D12 of the first diode D11
The other end, the second capacitance C11 the other end be connected, the other end of the cathode and the resistance R10 of the first diode D11
Output as the step-up/step-down circuit and the first wiring with the 5th switching tube Q14 inputted as bridge-type conversion circuit respectively
End, the first terminals of the 4th switching tube Q13 are connected, and the first terminals of the 4th switching tube Q13 are also opened with the described 6th
The first terminals for closing pipe Q15 are connected, and the first terminals of the 5th switching tube Q14 are also with the 7th switching tube Q16's
First terminals are connected, and the second terminals of the 4th switching tube Q13 are connected simultaneously with the second terminals of the 5th switching tube Q14
It is connected with one end of output loading, the second terminals of the second terminals and the 7th switching tube Q16 of the 6th switching tube Q15
It is connected and is connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, the 4th switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q10, second switch pipe Q11, the control terminal of third switching tube Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, first switch pipe Q10 conducting, the Q11 shutdowns of second switch pipe so that actual output current signal increase and with
The current signal of upper half-wave signa；When actual output current signal is more than the current signal of half-wave signa, first switch pipe Q10
Shutdown, the Q11 conductings of second switch pipe, inductance L10 discharge energy storage so that actual output current signal reduces and keeps up with half-wave signa
Current signal；
When output voltage is higher than input voltage：The Q10 conductings of first switch pipe, the Q11 shutdowns of second switch pipe, control circuit pass through
Pwm signal controls the turn-on and turn-off of third switching tube Q12；When actual output current signal is less than the current signal of half-wave signa
When, increase pwm signal pulsewidth so that actual output current signal increases and keeps up with the current signal of half-wave signa；When practical defeated
When going out current signal of the current signal less than half-wave signa, reduce pwm signal pulsewidth so that actual output current signal reduces simultaneously
Keep up with the current signal of half-wave signa.
4. a kind of inverter support according to claim 1 flutters structure, it is characterised in that：The step-up/step-down circuit includes first
Switching tube Q11, second switch pipe Q12, the first diode D11, the second diode D12, third diode D13, the first capacitance
C10, the second capacitance C11, inductance L10, resistance R10, transformer T10；The bridge-type conversion circuit include third switching tube Q13,
4th switching tube Q14, the 5th switching tube Q15 and the 6th switching tube Q16；The first terminals of the first switch pipe Q11 with
Input of the anode of the third diode D13 as the step-up/step-down circuit, the second terminals of the second switch pipe Q11
Be connected with the cathode of one end of the inductance L10, the third diode D13, the anode of the third diode D13 also with institute
State one end of the first capacitance C10, the first terminals of second switch pipe Q12, transformer T10 vice-side winding one end, second
One end of capacitance C11 and one end of resistance R10 are connected, and the other end of the first capacitance C10 is another with the inductance L10's
One end, the main limit winding other end of transformer T10, the first diode D11 anode be connected, the of the second switch pipe Q12
Two terminals are connected with main limit winding one end of the transformer T10, the vice-side winding other end and second of the transformer T10
The anode of diode D12 is connected, the other end of the first diode D11 and the other end, the second capacitance of the second diode D12
The other end of C11 is connected, and the cathode of the first diode D11 is with the other end of the resistance R10 as the lifting piezoelectricity
The output on road and respectively the first terminals, the third switching tube Q13 with the 4th switching tube Q14 inputted as bridge-type conversion circuit
The first terminals be connected, the first wiring of the first terminals of the third switching tube Q13 also with the 5th switching tube Q15
End is connected, and the first terminals of the 4th switching tube Q14 are also connected with the first terminals of the 6th switching tube Q16, institute
The second terminals for stating third switching tube Q13 be connected with the second terminals of the 4th switching tube Q14 and with one end of output loading
It is connected, the second terminals of the 5th switching tube Q15 are connected with the second terminals of the 6th switching tube Q16 and and output loading
The other end be connected；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q11, the control terminal of second switch pipe Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, first switch pipe Q11 conducting so that actual output current signal, which increases and keeps up with the electric current of half-wave signa, to be believed
Number；When actual output current signal is more than the current signal of half-wave signa, control circuit controls the Q11 shutdowns of first switch pipe,
Inductance L10 discharges energy storage so that actual output current signal reduces and keeps up with the current signal of half-wave signa；
When output voltage is higher than input voltage, first switch pipe Q11 conductings, control circuit is opened by pwm signal control second
Close the turn-on and turn-off of pipe Q12；When actual output current signal is less than the current signal of half-wave signa, increase pwm signal arteries and veins
It is wide so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is less than half
When the current signal of wave signal, reduce pwm signal pulsewidth so that actual output current signal reduces and keeps up with the electricity of half-wave signa
Flow signal.
5. a kind of inverter support according to claim 1 flutters structure, it is characterised in that：The step-up/step-down circuit includes first
Switching tube Q10, second switch pipe Q12, the first diode D10, the second diode D12, inductance L10, capacitance C11, resistance R10；
The bridge-type conversion circuit includes third switching tube Q13, the 4th switching tube Q14, the 5th switching tube Q15, the 6th switching tube Q16；
The anode of the first terminals of the first switch pipe Q10 and the second diode D12 are as the defeated of the step-up/step-down circuit
Enter, the second terminals of the first switch pipe Q10 and one end of the inductance L10, the cathode phase of the second diode D12
Even, first terminals, one end of capacitance C11, resistance of the anode of second diode also with the second switch pipe Q12
One end of R10 is connected, the second terminals, the first diode of the other end of the inductance L10 and the second switch pipe Q12
The anode of D10 is connected, and the cathode of first diode is connected with the other end of the capacitance C11, the first diode D10
Cathode and the resistance R10 the other end as the step-up/step-down circuit output and convert electricity with as the bridge-type respectively
The first terminals of 4th switching tube Q14 of road input, the first terminals of third switching tube Q13 are connected；The third switch
The first terminals of pipe Q13 are also connected with the first terminals of the 5th switching tube Q15, and the of the 4th switching tube Q14
One terminals are also connected with the first terminals of the 6th switching tube Q16, the second terminals of the third switching tube Q13 with
The second terminals of 4th switching tube Q14 are connected and are connected with one end of output loading, and the second of the 5th switching tube Q15 connects
Line end is connected with the second terminals of the 6th switching tube Q16 and is connected with the other end of output loading；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q10, the control terminal of second switch pipe Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, control circuit controls first switch pipe Q10 conducting so that actual output current signal increases and keeps up with half-wave
The current signal of signal；When actual output current signal is more than the current signal of half-wave signa, control circuit control first is opened
Pipe Q10 shutdowns are closed, inductance L10 discharges energy storage so that actual output current signal reduces and keeps up with the current signal of half-wave signa；
When output voltage is higher than input voltage：The Q10 conductings of first switch pipe, control circuit are opened by pwm signal control second
Close the turn-on and turn-off of pipe Q12；When actual output current signal is less than the current signal of half-wave signa, increase pwm signal arteries and veins
It is wide so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is less than half
When the current signal of wave signal, reduce pwm signal pulsewidth so that actual output current signal reduces and keeps up with the electricity of half-wave signa
Flow signal.
6. a kind of inverter support according to claim 1 flutters structure, it is characterised in that：The step-up/step-down circuit includes first
Switching tube Q10, second switch pipe Q12, the first diode D10, the 7th switching tube Q17, inductance L10, capacitance C11, resistance R10；
The bridge-type conversion circuit includes third switching tube Q13, the 4th switching tube Q14, the 5th switching tube Q15, the 6th switching tube Q16；
The first terminals of the first switch pipe Q10 are with the first terminals of the 7th switching tube Q17 as the lifting piezoelectricity
The input on road, the second terminals of the first switch pipe Q10 and one end of the inductance L10, the 7th switching tube Q17
Second terminals are connected, the first wiring of the first terminals of the 7th switching tube Q17 also with the second switch pipe Q12
End, one end of capacitance C11, resistance R10 one end be connected, the of the other end of the inductance L10 and the second switch pipe Q12
Two terminals, the anode of the first diode D10 are connected, the other end phase of the cathode of first diode and the capacitance C11
Even, the cathode of the first diode D10 and output and difference of the other end of the resistance R10 as the step-up/step-down circuit
With the first wiring of the first terminals, third switching tube Q13 of the 4th switching tube Q14 inputted as the bridge-type conversion circuit
End is connected；The first terminals of the third switching tube Q13 are also connected with the first terminals of the 5th switching tube Q15, institute
The first terminals for stating the 4th switching tube Q14 are also connected with the first terminals of the 6th switching tube Q16, the third switch
The second terminals of pipe Q13 are connected with the second terminals of the 4th switching tube Q14 and are connected with one end of output loading, and described
The second terminals of five switching tube Q15 be connected with the second terminals of the 6th switching tube Q16 and with the other end phase of output loading
Even；
The input of the control circuit be separately connected it is desired output half-wave signa, third switching tube Q13 the first terminals with
The junction of resistance R10, to compare actual output current signal and desired output half-wave current signal, while the control
The input of circuit is also connected with output voltage and input voltage that the inverter support flutters structure；The output of the control circuit and institute
It is connected to state first switch pipe Q10, the control terminal of second switch pipe Q12, to be sent to drive signal；
When output voltage is less than input voltage：The Q12 shutdowns of second switch pipe；When actual output current signal is less than half-wave signa
Current signal when, first switch pipe Q10 conducting, the 7th switching tube Q17 shutdowns so that actual output current signal increase and with
The current signal of upper half-wave signa；When actual output current signal is more than the current signal of half-wave signa, first switch pipe Q10
Shutdown, the 7th switching tube Q17 conductings, inductance L10 discharge energy storage so that actual output current signal reduces and keeps up with half-wave signa
Current signal；
When output voltage is higher than input voltage：The Q10 conductings of first switch pipe；Control circuit is opened by pwm signal control second
Close the turn-on and turn-off of pipe Q12；When actual output current signal is less than the current signal of half-wave signa, increase pwm signal arteries and veins
It is wide so that actual output current signal increases and keeps up with the current signal of half-wave signa；When actual output current signal is less than half
When the current signal of wave signal, reduce pwm signal pulsewidth so that actual output current signal reduces and keeps up with the electricity of half-wave signa
Flow signal.
7. flutterring structure according to claim 3 or 4 any one of them inverter supports, it is characterised in that：The transformer T10 is anti-
Violent change depressor.
8. flutterring structure according to claim 1-6 any one of them inverter supports, it is characterised in that：Each diode is quick
Recovery diode is identical.
9. flutterring structure according to claim 1-6 any one of them inverter supports, it is characterised in that：The desired output half-wave
Signal is generated by signal generating unit, is controlled desired output half-wave signa amplitude and is controlled output electric energy.
10. flutterring structure according to claim 1-6 any one of them inverter supports, it is characterised in that：The signal generating unit
Including microprocessor or analog signal generator.
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| CN102916593A (en) * | 2011-08-05 | 2013-02-06 | 英飞凌科技股份有限公司 | Power converter circuit |
| CN103259444A (en) * | 2012-02-16 | 2013-08-21 | 阳光电源股份有限公司 | Inverter power supply device |
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| JP2003189636A (en) * | 2001-12-12 | 2003-07-04 | Tdk Corp | Step-up and -down converter and system interconnection inverter |
| JP2009254196A (en) * | 2008-04-10 | 2009-10-29 | Honda Motor Co Ltd | Power converter |
| CN101610038A (en) * | 2009-07-13 | 2009-12-23 | 南京航空航天大学 | The photovoltaic combining inverter of Boost and Buck cascade and control method thereof |
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