CN102820775A - Integrated voltage-boosting and voltage-reducing converter of charging device - Google Patents
Integrated voltage-boosting and voltage-reducing converter of charging device Download PDFInfo
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- CN102820775A CN102820775A CN2011101504505A CN201110150450A CN102820775A CN 102820775 A CN102820775 A CN 102820775A CN 2011101504505 A CN2011101504505 A CN 2011101504505A CN 201110150450 A CN201110150450 A CN 201110150450A CN 102820775 A CN102820775 A CN 102820775A
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- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an integrated voltage-boosting and voltage-reducing converter of a charging device which receives input direct-current voltage and supplies output voltage by converting voltage level of the input direct-current voltage so as to charge a rechargeable battery. The integrated voltage-boosting and voltage-reducing converter of the charging device comprises a first switch, a second switch, a first diode, a second diode, an inducer and a capacitor. By controlling the first switch and the second switch, the integrated voltage-boosting and voltage-reducing converter can supply conversion function of voltage boosting and voltage reducing, accurately supply voltage level of charging voltage required for normal charging of the rechargeable battery, effectively reduce conversion loss integrally, and greatly improve electric power conversion efficiency.
Description
Technical field
The present invention refers to a kind of integrated type of voltage step-up of charging device especially about a kind of type of voltage step-up.
Background technology
Now, the development of action carrier is towards pollution-free, the dynamical motorized motions epoch.Yet the energy as motorized motions must make the energy to be stored in the battery by the container of battery to store as the energy.Through with the energy, for example firepower, waterpower, wind-force, heat energy, solar energy and nuclear energy ... After converting electric energy to, can electric energy be done suitably being stored in the battery after the conversion.Yet,, must consider problems such as fail safe, high-effect and convenience in the process of electric energy conversion.
See also Fig. 1 and be existing circuit block diagram with charging device of DC/DC transducer.As shown in the figure, this charging device 10A is applied to delegation's dynamic load tool (not shown).The charging system of this action carrier mainly comprises this a charging device 10A and a rechargeable battery 20A.This action carrier can be an electric automobile or an electric motor car, and this rechargeable battery 20A is the Vehicular rechargeable battery of this electric automobile or this electric motor car.
This charging device 10A comprises an EMI FILTER 102A, a power factor corrector 104A and a DC/DC transducer 106A.This EMI FILTER 102A of this charging device 10A electrically connects an external ac power source Vs, eliminating the noise of this AC power Vs, and prevents the interference of conductibility electromagnetic noise.This power factor corrector 104A electrically connects this EMI FILTER 102A, to improve the power factor of the DC power supply after changing.This DC/DC transducer 106A electrically connects this power factor corrector 104A, so that the conversion of different charging DC voltage levels to be provided.
Under the situation that this rechargeable battery 20A in use need charge; Because the voltage level of outside this AC power Vs that is provided may not be certain to cooperate the cell voltage of this rechargeable battery 20A; And, when this rechargeable battery 20A in charging process, the cell voltage of this rechargeable battery 20A is dynamic change; Therefore; This DC/DC transducer 106A that is adopted is typically designed to has a voltage-boosting converter (boost converter), the two-stage type framework of the buck-converter of connecting again (buck converter), the charging demand with in response to the cell voltage that is higher or lower than this rechargeable battery 20A when charging voltage the time.See also the circuit diagram of Fig. 2 for existing two-stage type DC/DC transducer.This two-stage type DC/DC transducer 106A comprises a voltage-boosting converter 1062A and a buck-converter 1064A.Wherein this voltage-boosting converter 1062A is in order to will more low level input voltage to convert the output voltage of higher level to; In like manner, this buck-converter 1064A converts more low level output voltage in order to the input voltage with higher level.In this embodiment, the output voltage of this power factor corrector 104A is the input voltage vin of this two-stage type DC/DC transducer 106A.And this voltage-boosting converter 1062A of this two-stage type DC/DC transducer 106A or the operation of this buck-converter 1064A are according to the cell voltage Vb size of this input voltage vin and this rechargeable battery 20A.That is; When this input voltage vin is higher than the cell voltage Vb of this rechargeable battery 20A; This buck-converter 1064A of this two-stage type DC/DC transducer 106A action, required recharge voltage level when converting more low level output voltage V out to and charge normal so that this rechargeable battery 20A to be provided with input voltage vin with higher level.Otherwise; When this input voltage vin is lower than the cell voltage Vb of this rechargeable battery 20A; This voltage-boosting converter 1062A of this two-stage type DC/DC transducer 106A action, required recharge voltage level when charging normal so that this rechargeable battery 20A to be provided with the output voltage V out that will more low level input voltage vin converts higher level to.Only, this two-stage type DC/DC transducer 106A is owing to have the circuit framework of voltage-boosting converter and buck-converter simultaneously, and therefore, required circuit element is many, causes increasing circuit element O&M cost.
Existing step-down/up type transducer (buck-boost converter) can be designed out in order to provide output voltage can be higher or lower than the usefulness of the voltage level of input voltage.This step-down/up type transducer (buck-boost converter) is when providing voltage level conversion; The switch of this step-down/up type transducer then is the while handover operation; Cause whole switch cost to improve, make power conversion efficiency reduce widely, so generally be used for the opportunity of low power output.
Therefore; How to design a kind of integrated type of voltage step-up of charging device; Can be when providing this rechargeable battery to charge normal exactly required recharge voltage level; Reducing whole switch cost effectively, make power conversion efficiency promote widely, is a big problem that overcomes and solve for this case inventor institute desire row.
Summary of the invention
In order to address the above problem, the present invention provides a kind of integrated type of voltage step-up of charging device, receives DC input voitage also through the voltage level of conversion DC input voitage, so that output voltage to be provided rechargeable battery is charged.Integrated type of voltage step-up comprises first switch, first diode, inductance, second switch, second diode and electric capacity.
First switch has first end and second end.First diode has anode and negative electrode, and the negative electrode of first diode electrically connects second end of first switch.Inductance has first end and second end, and first end of inductance electrically connects second end of first switch and the negative electrode of first diode.Second switch has first end and second end, and first end of second switch electrically connects second end of inductance.Second diode has anode and negative electrode, and the anode of second diode electrically connects second end of inductance and first end of second switch.Electric capacity has first end and second end, and first end of electric capacity electrically connects the negative electrode of second diode; In addition, second end of electric capacity electrically connects second end of second switch and the anode of first diode.
Wherein, first end of first switch and the anode of first diode are the input side of the integrated type of voltage step-up of both-end framework, to receive input voltage; In addition, first end of electric capacity and second end of electric capacity are the outlet side of the integrated type of voltage step-up of both-end framework, so that output voltage to be provided, rechargeable battery are charged.
By this,, make integrated type of voltage step-up that the translation function of boosting with step-down can be provided, can be when providing rechargeable battery to charge normal exactly required recharge voltage level through controlling first switch and second switch.
The integrated type of voltage step-up of described charging device; Wherein, When this input voltage is higher than the cell voltage of this rechargeable battery; This first switch is a switching operation state and this second switch is the full cut-off mode of operation, by the switching responsibility cycle (duty cycle) through this first switch of control reducing the output voltage of this integrated type of voltage step-up, required recharge voltage level when providing this rechargeable battery to charge normal.
The integrated type of voltage step-up of described charging device; Wherein, When this input voltage is lower than the cell voltage of this rechargeable battery; This first switch is for full conducting or to operate in maximum this second switch of state that switches responsibility cycle be switching operation state, by the switching responsibility cycle (duty cycle) through controlling this second switch improving the output voltage of this integrated type of voltage step-up, required recharge voltage level when providing this rechargeable battery to charge normal.
The integrated type of voltage step-up of described charging device; Wherein, When this input voltage approaches the cell voltage of this rechargeable battery; This first switch to be switching operation state and this second switch be fixing mode of operation of responsibility cycle, by the switching responsibility cycle through controlling this first switch reducing the output voltage of this integrated type of voltage step-up, required recharge voltage level when providing this rechargeable battery to charge normal.
The integrated type of voltage step-up of described charging device; Wherein, When this input voltage approaches the cell voltage of this rechargeable battery; This first switch is a switching operation state for fixing this second switch of mode of operation of responsibility cycle, by the switching responsibility cycle through controlling this second switch improving the output voltage of this integrated type of voltage step-up, required recharge voltage level when providing this rechargeable battery to charge normal.
The integrated type of voltage step-up of described charging device; Wherein, When this input voltage approaches the cell voltage of this rechargeable battery; This first switch and this second switch are switching operation state, by switching responsibility cycle through this first switch of Synchronization Control and this second switch, and required recharge voltage level when providing this rechargeable battery to charge normal.
The integrated type of voltage step-up of described charging device, wherein, (pulse width modulation PWM) controls the switching responsibility cycle of this first switch through a pulse wave width modulation.
The integrated type of voltage step-up of described charging device, wherein, (pulse width modulation PWM) controls the switching responsibility cycle of this second switch through a pulse wave width modulation.
The integrated type of voltage step-up of described charging device, wherein, (pulse width modulation PWM) controls the switching responsibility cycle of this first switch through a pulse wave width modulation.
The integrated type of voltage step-up of described charging device, wherein, (pulse width modulation PWM) controls the switching responsibility cycle of this second switch through a pulse wave width modulation.
The integrated type of voltage step-up of described charging device, wherein, (pulse width modulation PWM) controls the switching responsibility cycle of this first switch and this second switch through a pulse wave width modulation.
Reach technology, means and the effect that predetermined purpose is taked in order further to understand the present invention; See also following about detailed description of the present invention and accompanying drawing; Believe the object of the invention, characteristic and characteristics; When can be thus one deeply and concrete understanding, yet appended graphic reference and the explanation usefulness of only providing not is to be used for to the present invention's limitr in addition.
Description of drawings
Fig. 1 is existing circuit block diagram with charging device of DC/DC transducer;
Fig. 2 is the circuit diagram of existing two-stage type DC/DC transducer;
Fig. 3 is the circuit diagram of the integrated type of voltage step-up of charging device of the present invention;
Fig. 4 A is that this integrated type of voltage step-up is in the circuit diagram of the reduced pressure operation of high voltage differential;
Fig. 4 B is that this integrated type of voltage step-up is in the circuit diagram of the boost operations of high voltage differential;
Fig. 4 C operates in the circuit diagram of first embodiment of low-voltage difference for this integrated type of voltage step-up;
Fig. 4 D operates in the circuit diagram of second embodiment of low-voltage difference for this integrated type of voltage step-up; And
Fig. 4 E operates in the circuit diagram of the 3rd embodiment of low-voltage difference for this integrated type of voltage step-up.
Wherein, Reference numeral:
(prior art)
Vs AC power 1064A buck-converter
102A EMI FILTER Vin input voltage
104A power factor corrector Vout output voltage
106A DC/DC transducer Vb cell voltage
The 1062A voltage-boosting converter
(the present invention)
10 integrated type of voltage step-up 112 electric capacity
102 first switches, 20 rechargeable batteries
104 second switch Vin input voltages
106 first diode Vout output voltages
108 second diode Vb cell voltages
110 inductance
Embodiment
Now relevant technology contents of the present invention and detailed description cooperate graphic explanation following:
See also the circuit diagram of Fig. 3 for the integrated type of voltage step-up of charging device of the present invention.This integrated type of voltage step-up 10 of this charging device (not icon) receives a direct current input voltage vin also through the voltage level of this DC input voitage of conversion Vin, so that an output voltage V out to be provided a rechargeable battery 20 is charged.This integrated type of voltage step-up 10 comprises one first switch 102, one first diode 106, an inductance 110, a second switch 104, one second diode 108 and an electric capacity 112.
This first switch 102 has one first end (not indicating) and one second end (not indicating).This first diode 106 has an anode and a negative electrode, and this negative electrode of this first diode 106 electrically connects this second end of this first switch 102.This inductance 110 has one first end (not indicating) and one second end (not indicating), and this first end of this inductance 110 electrically connects this second end of this first switch 102 and this negative electrode of this first diode 106.This second switch 104 has one first end (not indicating) and one second end (not indicating), and this first end of this second switch 104 electrically connects this second end of this inductance 110.This second diode 108 has an anode and a negative electrode, and this anode of this second diode 108 electrically connects this second end of this inductance 110 and this first end of this second switch 104.This electric capacity 112 has one first end (not indicating) and one second end (not indicating), and this first end of this electric capacity 112 electrically connects this negative electrode of this second diode 108; In addition, this second end of this electric capacity 112 electrically connects this second end of this second switch 104 and this anode of this first diode 106.
Wherein, this first end of this first switch 102 and this anode of this first diode 106 are the input side of the integrated type of voltage step-up 10 of this both-end framework, to receive this input voltage vin; In addition, this first end of this electric capacity 112 and this second end of this electric capacity 112 are the outlet side of the integrated type of voltage step-up 10 of this both-end framework, so that this output voltage V out to be provided, to these rechargeable battery 20 chargings.
By this,, make this integrated type of voltage step-up 10 that the translation function of boosting with step-down can be provided, can be when providing this rechargeable battery 20 to charge normal exactly required recharge voltage level through controlling this first switch 102 and this second switch 104.
As for the integrated type of voltage step-up 10 more detailed operating instructions of this charging device, see also the back literary composition.When this input voltage vin was higher than the cell voltage Vb of this rechargeable battery 20, this first switch 102 of this integrated type of voltage step-up 10 was the full cut-off mode of operation for this second switch 104 of switching operation state.So, under this reduced pressure operation state, but the circuit framework shown in the circuit framework isoboles 4A of this integrated type of voltage step-up 10.Seeing also Fig. 4 A is that this integrated type of voltage step-up is in the circuit diagram of the reduced pressure operation of high voltage differential.And, by the switching responsibility cycle (duty cycle) through this first switch 102 of control reducing the output voltage V out of this integrated type of voltage step-up 10, required recharge voltage level when providing this rechargeable battery 20 to charge normal.Wherein, (pulse width modulation PWM) controls the switching responsibility cycle of this first switch 102 through pulse wave width modulation technology.That is to say; Under the situation that this rechargeable battery 20 in use need charge; The outside AC power that is provided is through the high-frequency noise of EMI FILTER (not shown) filtering AC power; Be a direct current voltage (being the input voltage vin of this integrated type of voltage step-up 10) through this filtered AC power of power factor correcting unit (not icon) conversion again, when being higher than the cell voltage Vb of this rechargeable battery 20 as if this input voltage vin, 10 controls of this integrated type of voltage step-up by this first switch 102 and this second switch 104; Be adjusted into the reduced pressure operation state; Make the output voltage V out of this integrated type of voltage step-up 10 reduce, can be to cooperate the cell voltage Vb size of this rechargeable battery 20, provide this rechargeable battery 20 required recharge voltage level; And avoid causing overcharging making this rechargeable battery 20 receive heavy damage, even blast because of charging voltage is too high.Wherein, aforesaid this high voltage differential refers to that at this embodiment the cell voltage Vb that the input voltage vin of this integrated type of voltage step-up 10 is higher than this rechargeable battery 20 has certain degree.
In addition, when this input voltage vin is lower than the cell voltage Vb of this rechargeable battery 20, this first switch 102 is for full conducting or operate in maximum this second switch 104 of state that switches responsibility cycle and be switching operation state.So, under this boost operations state, but the circuit framework shown in the circuit framework isoboles 4B of this integrated type of voltage step-up 10.Seeing also Fig. 4 B is that this integrated type of voltage step-up is in the circuit diagram of the boost operations of high voltage differential.And, by the switching responsibility cycle (duty cycle) through this second switch 104 of control improving the output voltage V out of this integrated type of voltage step-up 10, required recharge voltage level when providing this rechargeable battery 20 to charge normal.Wherein, (pulse width modulation PWM) controls the switching responsibility cycle of this second switch 104 through pulse wave width modulation technology.That is to say; Under the situation that this rechargeable battery 20 in use need charge; The outside AC power that is provided is through the high-frequency noise of EMI FILTER (not shown) filtering AC power; Be a direct current voltage (being the input voltage vin of this integrated type of voltage step-up 10) through this filtered AC power of power factor correcting unit (not icon) conversion again, if this input voltage vin is lower than the cell voltage Vb of this rechargeable battery 20,10 controls of this integrated type of voltage step-up by this first switch 102 and this second switch 104; Be adjusted into the boost operations state; Make the output voltage V out of this integrated type of voltage step-up 10 improve, can be to cooperate the cell voltage Vb size of this rechargeable battery 20, provide this rechargeable battery 20 required recharge voltage level.Wherein, aforesaid this high voltage differential refers to that at this embodiment the cell voltage Vb that the input voltage vin of this integrated type of voltage step-up 10 is lower than this rechargeable battery 20 has certain degree.
Can know in sum; No matter the input voltage vin of this integrated type of voltage step-up 10 is higher or lower than the cell voltage Vb of this rechargeable battery 20; This first switch 102 of this integrated type of voltage step-up 10 or this second switch 104 can provide reduced pressure operation or boost operations (looking the relation of this input voltage vin and this cell voltage Vb) through suitable switching controls.Therefore; Under any mode of operation (reduced pressure operation or boost operations), only have this first switch 102 or this second switch 104 and be switching operation state, that is; When reduced pressure operation, this first switch 102 is switching operation state (and this second switch 104 is the full cut-off mode of operation); When boost operations, this second switch 104 is switching operation state (this first switch 102 is for full conducting or operate in the maximum state that switches responsibility cycle).So, be different from existing skill and state the step-down/up type transducer (buck-boost converter) that adopted and be a plurality of switches handover operations simultaneously.Therefore, 10 of this integrated type of voltage step-up provided by the present invention reduce whole switch cost effectively, make power conversion efficiency promote widely.
Be worth mentioning; Under the situation that this rechargeable battery 20 in use need charge; When the input voltage vin of this integrated type of voltage step-up 10 during near the cell voltage Vb of this rechargeable battery 20; The contained ripple composition of this input voltage vin and cause charging voltage that this integrated type of voltage step-up 10 provides this rechargeable battery 20 sometimes a little more than this cell voltage Vb for example is sometimes a little less than the labile state of this cell voltage Vb.Under this mode of operation, can't only use a buck-converter or voltage-boosting converter to provide FEEDBACK CONTROL separately to export the required recharge voltage level of cell voltage Vb of this rechargeable battery 20.
So 10 of this integrated type of voltage step-up provided by the present invention adopt three kinds of operator schemes to simplify existing two-stage type DC/DC converter architecture and overcome above-mentioned because of the unsettled charging operations of charging voltage.First kind of operator scheme sees also Fig. 4 C operates in first embodiment of low-voltage difference for this integrated type of voltage step-up circuit diagram.When this input voltage vin approaches the cell voltage Vb of this rechargeable battery 20; That is the absolute value of input voltage vin and two voltage differences of cell voltage Vb is when little; This first switch 102 of this integrated type of voltage step-up 10 is can be through pulse wave width modulation technology (pulse width modulation; PWM) control it and switch responsibility cycle (duty cycle); This second switch 104 then is the fixedly control of responsibility cycle (fixed duty cycle); So, can be through FEEDBACK CONTROL being provided to this first switch 102, required recharge voltage level when making the output voltage V out of this integrated type of voltage step-up 10 can provide this rechargeable battery 20 to charge normal exactly.Wherein, the number range of this above-mentioned low-voltage difference is then looked the setting of this rechargeable battery 20 under reality charging application feature.
Second kind of operator scheme sees also Fig. 4 D operates in second embodiment of low-voltage difference for this integrated type of voltage step-up circuit diagram.This second switch 104 of this integrated type of voltage step-up 10 is can be through pulse wave width modulation technology (pulse width modulation; PWM) control it and switch responsibility cycle (duty cycle), this first switch 102 then is the fixedly control of responsibility cycle (fixed duty cycle).So, this integrated type of voltage step-up 10 can be through providing FEEDBACK CONTROL to this second switch 104, required recharge voltage level when making the output voltage V out of this integrated type of voltage step-up 10 can provide this rechargeable battery 20 to charge normal exactly.Wherein, the number range of this above-mentioned low-voltage difference is then looked the setting of this rechargeable battery 20 under reality charging application feature.
The third operator scheme sees also Fig. 4 E operates in the 3rd embodiment of low-voltage difference for this integrated type of voltage step-up circuit diagram.This first switch 102 and this second switch 104 of this integrated type of voltage step-up 10 be can (pulse width modulation PWM) does its switching responsibility cycle (duty cycle) of Synchronization Control through pulse wave width modulation technology.So; This integrated type of voltage step-up 10 can be through providing FEEDBACK CONTROL to this first switch 102 and second switch 104, required recharge voltage level when making the output voltage V out of this integrated type of voltage step-up 10 can provide this rechargeable battery 20 to charge normal exactly.Wherein, the number range of this above-mentioned low-voltage difference is then looked the setting of this rechargeable battery 20 under reality charging application feature.
In sum, the present invention has following advantage:
1, the two-stage type DC/DC converter architecture that is different from prior art and is adopted, this integrated type of voltage step-up provided by the present invention can be reducing circuit element quantity, and then reduce circuit element O&M cost;
The low variation when two-stage type DC/DC transducer that 2, is different from prior art and is adopted, this integrated type of voltage step-up provided by the present invention are can be with in response to voltage the time high and alternately switching controls is provided timely;
3, this integrated type of voltage step-up (reduced pressure operation or boost operations) under any mode of operation; Only having this first switch or this second switch is the FEEDBACK CONTROL switching operation state; Also can do its switching responsibility cycle of Synchronization Control to this first switch and this second switch; Can make power conversion efficiency promote widely to reduce whole switch cost effectively; And
4, can FEEDBACK CONTROL be provided through switch to this integrated type of voltage step-up; Switch responsibility cycle (duty cycle) to control it; Can be when providing this rechargeable battery to charge normal exactly required recharge voltage level; And avoid causing overcharging making this rechargeable battery receive heavy damage, even blast because of charging voltage is too high; Perhaps, because of causing not exclusively charging, the charging voltage deficiency reduces the abnormal operation of capacity.
Only; The above is merely the detailed description of preferred embodiment of the present invention and graphic, and only characteristic of the present invention is not limited thereto; Be not in order to restriction the present invention; All scopes of the present invention should be as the criterion with following claim, and all closing in the embodiment of the spirit variation similar with it of claim of the present invention all should be contained in the category of the present invention; Anyly be familiar with this art in the field of the invention, can think easily and variation or modify the claim that all can be encompassed in following this case.
Claims (11)
1. the integrated type of voltage step-up of a charging device receives a direct current input voltage also through the voltage level of this DC input voitage of conversion, so that an output voltage to be provided a rechargeable battery is charged; It is characterized in that this integrated type of voltage step-up comprises:
One first switch has one first end and one second end;
One first diode has an anode and a negative electrode, and this negative electrode of this first diode electrically connects this second end of this first switch;
One inductance has one first end and one second end, and this of this inductance first end electrically connects this second end of this first switch and this negative electrode of this first diode;
One second switch has one first end and one second end, and this of this second switch first end electrically connects this second end of this inductance;
One second diode has an anode and a negative electrode, and this anode of this second diode electrically connects this second end of this inductance and this first end of this second switch;
One electric capacity has one first end and one second end, and this of this electric capacity first end electrically connects this negative electrode of this second diode; In addition, this second end of this electric capacity electrically connects this second end of this second switch and this anode of this first diode;
Wherein, this first end of this first switch and this anode of this first diode are the input side of the integrated type of voltage step-up of this both-end framework, to receive this input voltage; In addition, the outlet side that this second end of this of this electric capacity first end and this electric capacity is the integrated type of voltage step-up of this both-end framework is to provide this output voltage, to this rechargeable battery charging;
By this,, make this integrated type of voltage step-up that the translation function of boosting with step-down can be provided, can be when providing this rechargeable battery to charge normal exactly required recharge voltage level through controlling this first switch and this second switch.
2. the integrated type of voltage step-up of charging device according to claim 1; It is characterized in that; When this input voltage is higher than the cell voltage of this rechargeable battery; This first switch is a switching operation state and this second switch is the full cut-off mode of operation, by the switching responsibility cycle through controlling this first switch reducing the output voltage of this integrated type of voltage step-up, required recharge voltage level when providing this rechargeable battery to charge normal.
3. the integrated type of voltage step-up of charging device according to claim 1; It is characterized in that; When this input voltage is lower than the cell voltage of this rechargeable battery; This first switch is for full conducting or to operate in maximum this second switch of state that switches responsibility cycle be switching operation state, by the switching responsibility cycle through controlling this second switch improving the output voltage of this integrated type of voltage step-up, required recharge voltage level when providing this rechargeable battery to charge normal.
4. the integrated type of voltage step-up of charging device according to claim 1; It is characterized in that; When this input voltage approaches the cell voltage of this rechargeable battery; This first switch to be switching operation state and this second switch be fixing mode of operation of responsibility cycle, by the switching responsibility cycle through controlling this first switch reducing the output voltage of this integrated type of voltage step-up, required recharge voltage level when providing this rechargeable battery to charge normal.
5. the integrated type of voltage step-up of charging device according to claim 1; It is characterized in that; When this input voltage approaches the cell voltage of this rechargeable battery; This first switch is a switching operation state for fixing this second switch of mode of operation of responsibility cycle, by the switching responsibility cycle through controlling this second switch improving the output voltage of this integrated type of voltage step-up, required recharge voltage level when providing this rechargeable battery to charge normal.
6. the integrated type of voltage step-up of charging device according to claim 1; It is characterized in that; When this input voltage approaches the cell voltage of this rechargeable battery; This first switch and this second switch are switching operation state, by switching responsibility cycle through this first switch of Synchronization Control and this second switch, and required recharge voltage level when providing this rechargeable battery to charge normal.
7. the integrated type of voltage step-up of charging device according to claim 2 is characterized in that, the switching responsibility cycle of this first switch is controlled through a pulse wave width modulation.
8. the integrated type of voltage step-up of charging device according to claim 3 is characterized in that, the switching responsibility cycle of this second switch is controlled through a pulse wave width modulation.
9. the integrated type of voltage step-up of charging device according to claim 4 is characterized in that, the switching responsibility cycle of this first switch is controlled through a pulse wave width modulation.
10. the integrated type of voltage step-up of charging device according to claim 5 is characterized in that, the switching responsibility cycle of this second switch is controlled through a pulse wave width modulation.
11. the integrated type of voltage step-up of charging device according to claim 6 is characterized in that, the switching responsibility cycle of this first switch and this second switch is controlled through a pulse wave width modulation.
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| CN2011101504505A CN102820775A (en) | 2011-06-07 | 2011-06-07 | Integrated voltage-boosting and voltage-reducing converter of charging device |
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| CN2011101504505A CN102820775A (en) | 2011-06-07 | 2011-06-07 | Integrated voltage-boosting and voltage-reducing converter of charging device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107728A (en) * | 2013-03-05 | 2013-05-15 | 上海海事大学 | Voltage and current mixed source type grid-connected inverter topology |
| WO2013189327A3 (en) * | 2013-05-16 | 2014-04-24 | 中兴通讯股份有限公司 | Charging device and charging method |
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| CN110168892A (en) * | 2018-08-02 | 2019-08-23 | 深圳欣锐科技股份有限公司 | A kind of traditional direct current booster circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107728A (en) * | 2013-03-05 | 2013-05-15 | 上海海事大学 | Voltage and current mixed source type grid-connected inverter topology |
| RU2631265C2 (en) * | 2013-05-16 | 2017-09-20 | ЗетТиИ Корпорейшн | Charging device and charging method |
| CN104167768A (en) * | 2013-05-16 | 2014-11-26 | 中兴通讯股份有限公司 | Charging apparatus and charging method thereof |
| AU2013279955B2 (en) * | 2013-05-16 | 2016-07-07 | Zte Corporation | Charging device and charging method |
| KR101731754B1 (en) * | 2013-05-16 | 2017-04-28 | 지티이 코포레이션 | Charging device and charging method |
| WO2013189327A3 (en) * | 2013-05-16 | 2014-04-24 | 中兴通讯股份有限公司 | Charging device and charging method |
| US9876384B2 (en) | 2013-05-16 | 2018-01-23 | Zte Corporation | Charging device and charging method |
| CN104167768B (en) * | 2013-05-16 | 2018-05-15 | 中兴通讯股份有限公司 | A kind of charging unit and charging method |
| CN109038744A (en) * | 2014-06-24 | 2018-12-18 | 苹果公司 | Battery charging is carried out for boosting using reusable inductor |
| US11152808B2 (en) | 2014-09-02 | 2021-10-19 | Apple Inc. | Multi-phase battery charging with boost bypass |
| CN107852008A (en) * | 2015-07-21 | 2018-03-27 | 戴森技术有限公司 | Power supply |
| TWI554012B (en) * | 2015-09-30 | 2016-10-11 | 光寶電子（廣州）有限公司 | Hybrid power convertor and control method thereof |
| US9859784B2 (en) | 2015-09-30 | 2018-01-02 | Lite-On Technology Corporation | Hybrid power convertor and control method thereof |
| CN110168892A (en) * | 2018-08-02 | 2019-08-23 | 深圳欣锐科技股份有限公司 | A kind of traditional direct current booster circuit |
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