CN106160184B - A kind of UPS topological circuit - Google Patents
A kind of UPS topological circuit Download PDFInfo
- Publication number
- CN106160184B CN106160184B CN201510164629.4A CN201510164629A CN106160184B CN 106160184 B CN106160184 B CN 106160184B CN 201510164629 A CN201510164629 A CN 201510164629A CN 106160184 B CN106160184 B CN 106160184B
- Authority
- CN
- China
- Prior art keywords
- switch
- diode
- pfc
- connects
- inductance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Rectifiers (AREA)
Abstract
The present invention relates to a kind of UPS topological circuit, including PFC/ conversion module, exchange input is received from alternating current input with from battery receptacle direct current for receiving and exchange input to described and carry out PFC and to direct current input progress DC/DC transformation；Bus switches decoupling module, for changing bus capacitor mounting mode to realize single busbar and double busbar topology switch with for it is described exchange input and is inputted with the direct current current flow paths are provided；Inverter module, the DC voltage for exporting the bus decoupling module are converted into exchange output.Implement UPS topological circuit of the invention, switch decoupling module by bus, the UPS topological circuit can be switched between single busbar UPS topology and double-bus UPS topology, thus the advantage of double-bus UPS topological structure and single busbar UPS topological structure can be combined.
Description
Technical field
The present invention relates to the fields UPS, more specifically to a kind of UPS topological circuit.
Background technique
Current UPS topological circuit can be divided into single busbar UPS topological circuit and double-bus according to the difference of bus structure
UPS topological circuit.Fig. 1 is the circuit diagram of double-bus UPS topological circuit.Fig. 2 is the circuit diagram of single busbar UPS topological circuit.Such as
Double-bus UPS topological circuit shown in FIG. 1, although its double-bus structure has high-efficient, the easy advantage of switching device type selecting,
But due to its positive and negative bus alternating half cycle work, the utilization rate of integral bus bar is not high.Under battery mode, in bus
Point alternately switches between anode, cathode, while bus midpoint is connected with N line again.Therefore, in multiple double-bus UPS topologys
When circuit CB common battery group, it is easy that short-circuit aircraft bombing will be caused.The circuit diagram of single busbar UPS topological circuit as shown in Figure 2, although
Its bus utilization rate is high, and is directly connected with battery cathode in battery mode Down Highway capacitor cathode, therefore can be with CB common battery
Group, but its output N line generally can not be common with input, it is therefore desirable to increase level-one isolating transformer.
Summary of the invention
The technical problem to be solved in the present invention is that for the single busbar UPS topological circuit and double-bus UPS of the prior art
Topological circuit respectively has the present situation of advantage and disadvantage, and providing one kind may be implemented single busbar and double-bus switching to be provided simultaneously with single busbar
The UPS topological circuit of topology and double busbar topology advantage.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of UPS topological circuit, comprising:
PFC/ conversion module is inputted and is inputted from battery receptacle direct current and to the friendship for receiving to receive to exchange from alternating current
Stream input carries out PFC and inputs the direct current to carry out DC/DC transformation；
Bus switches decoupling module, for changing bus capacitor mounting mode to realize that single busbar and double busbar topology are cut
It changes to provide current flow paths for exchange input and direct current input；
Inverter module, the DC voltage for exporting the bus decoupling module are converted into exchange output
In UPS topological circuit of the present invention, under utility mode, the bus switching decoupling module is switched to double
Bus topology, the UPS topological circuit is with the work of double-bus UPS topological circuit；Under battery mode, the bus switching decoupling
Module is switched to single busbar topology, and the UPS topological circuit is with the work of single busbar UPS topological circuit.
In UPS topological circuit of the present invention, bus switching decoupling module includes first switch, second opens
It closes, third switch, the 4th switch, zero curve switch, first diode and the second diode, the first end of the first switch connect
First output end of the PFC module, the first end of the second switch connect the PFC with the first end that the third switchs
The second output terminal of module, the first end of the 4th switch connect the third output end of the PFC module, the first switch
Second end connect the second end of third switch and the anode of second diode, the second end of the second switch connects
The second end of the 4th switch and the cathode of the first diode are connect, the anode of the first diode connects the inversion
The cathode of the first input end of module, second diode connects the second input terminal of the inverter module, and the zero curve is opened
The first end of pass connects zero curve, and the second end of the zero curve switch connects the second output terminal of the PFC module.
In UPS topological circuit of the present invention, bus switching decoupling module include the first single-pole double-throw switch (SPDT),
Second single-pole double-throw switch (SPDT), zero curve switch, first diode and the second diode, described in the anode connection of the first diode
First input end, the cathode of inverter module connect the moving contact of first single-pole double-throw switch (SPDT), and first single-pole double throw is opened
Close the first stationary contact connect the second output terminal of the PFC module, the second stationary contact connect the PFC module third output
End, the cathode of second diode connects the second input terminal of the inverter module, anode connects second single-pole double throw
First stationary contact of the moving contact of switch, second single-pole double-throw switch (SPDT) connects the first output end of the PFC module, second
Stationary contact connects the second output terminal of the PFC module, and the first end of the zero curve switch connects zero curve, the zero curve switch
Second end connects the second output terminal of the PFC module.
In UPS topological circuit of the present invention, the PFC module includes PFC input unit, switch pipe unit, the
Three diodes, the 4th diode, the first bus capacitor and the second bus capacitor；First output end of the PFC input unit connects
Connect the first input end of the switch pipe unit and the anode of the third diode, the second output of the PFC input unit
Second input terminal of the end connection switch pipe unit and the cathode of the 4th diode, the cathode connection of three diode
The anode of first bus capacitor, the anode of four diode connect the cathode of second bus capacitor, and described first
The cathode of bus capacitor connects the first input end of the inverter module, and the anode of second bus capacitor connects the inversion
Second input terminal of module.
In UPS topological circuit of the present invention, the switch pipe unit includes first switch tube and second switch,
The first switch tube connects control signal with the grid of second switch, and the drain electrode of the first switch tube connects the PFC
First output end of module, the source electrode of the first switch tube connect the drain electrode and the PFC module of the second switch
Second output terminal, the source electrode of the second switch connect the third output end of the PFC module.
In UPS topological circuit of the present invention, the PFC input unit include the 5th diode, the 6th diode,
7th diode, the 8th diode, the 9th diode, the tenth diode, the 5th switch, the 6th switch, the 7th switch, the 8th open
The anode of pass, the first inductance, the second inductance and battery, the 5th diode connects the first ac input end and the 8th diode
Cathode, the 6th diode anode connection the second ac input end and the 9th diode cathode, the seven or two pole
The cathode of anode connection the third ac input end and the tenth diode of pipe, the 5th diode, the 6th diode and the 7th
The cathode of diode connects the first end of the 5th switch, the 8th diode, the 9th diode and the tenth diode
Anode connects the first end of the 6th switch, and the first end and the 7th that the second end of the 5th switch connects the first inductance is opened
The first end of pass, the second end of the 6th switch connect the first end of the second inductance and the first end of the 8th switch, and the 7th opens
The second end of pass connects anode, and the second end of the 8th switch connects battery cathode, the second end connection of first inductance
First output end of the PFC input unit, the second end of second inductance connect the third output of the PFC input unit
End.
In UPS topological circuit of the present invention, the PFC input unit includes the 9th switch and the tenth switch, institute
Stating switch pipe unit includes the 11st switch and the 12nd switch, and the first end of the 9th switch connects first inductance
First end, second end connect the drain electrode of the second switch and the first end of the 12nd switch, the tenth switch
First end, the second end that first end connects second inductance connect the source electrode and the 11st switch of the first switch tube
First end, it is described 12nd switch second end connect it is described 11st switch second end.
In UPS topological circuit of the present invention, the PFC input unit include the 5th diode, the 6th diode,
5th switch, the 6th switch, the 7th switch, the 8th switch, the first inductance and the second inductance, the anode of the 5th diode connect
It is connected to the cathode of single phase input and the 6th diode, the cathode of the 5th diode connects the of the 5th switch
One end, the anode of the 6th diode connect the first end of the 6th switch, the second end connection the of the 5th switch
The second end of the first end of the first end of one inductance and the 7th switch, the 6th switch connects the first end and the of the second inductance
The first end of eight switches, the second end of the 7th switch connect anode, and the second end of the 8th switch connects battery cathode, described
The second end of first inductance connects the first output end of the PFC input unit, described in the second end connection of second inductance
The third output end of PFC input unit.
In UPS topological circuit of the present invention, the PFC input unit include the 5th diode, the 6th diode,
7th diode, the 8th diode, the 9th diode, the tenth diode, the 5th switch, the 6th switch, the 7th switch, the 8th open
Pass, the 9th switch, the tenth switch, the 11st switch, the first inductance, the second inductance, third inductance and battery, the five or two pole
The anode of pipe connects the first end of the first inductance and the cathode of the 8th diode, the second electricity of anode connection of the 6th diode
The cathode of the first end of sense and the 9th diode, the first end and the 12nd of the anode connection third inductance of the 7th diode
It is first defeated to connect the PFC module for the cathode of pole pipe, the cathode of the 5th diode, the 6th diode and the 7th diode
The anode of outlet, the 8th diode, the 9th diode and the tenth diode connects the third output end of the PFC module,
The second end of first inductance is through the 5th switch first ac input end of connection, and the second end of second inductance is through institute
The 6th switch the second ac input end of connection is stated, the second end of the third inductance is defeated through the 7th switch connection third exchange
Enter end, the anode of the battery is connected through the second end of the 8th switch connection the 5th switch, through the 9th switch
The second end of 6th switch and the second end switched through the tenth switch connection the described 7th, the cathode warp of the battery
11st switch connects the third output end of the PFC module.
Implement UPS topological circuit of the invention, decoupling module is switched by bus, it can be by the UPS topological circuit in list
It is switched between bus UPS topology and double-bus UPS topology, thus double-bus UPS topological structure and list can be combined
The advantage of bus UPS topological structure.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the circuit diagram of double-bus UPS topological circuit；
Fig. 2 is the circuit diagram of single busbar UPS topological circuit；
Fig. 3 is the functional block diagram of UPS topological circuit of the invention；
Fig. 4 is the circuit diagram of the first embodiment of UPS topological circuit of the invention；
Fig. 5 a is the equivalent circuit diagram of the first state of the utility mode of UPS topological circuit shown in Fig. 4；
Fig. 5 b is the equivalent circuit diagram of the second state of the utility mode of UPS topological circuit shown in Fig. 4；
Fig. 5 c is the equivalent circuit diagram of the third state of the utility mode of UPS topological circuit shown in Fig. 4；
Fig. 5 d is the equivalent circuit diagram of the 4th state of the utility mode of UPS topological circuit shown in Fig. 4；
Fig. 6 a is the equivalent circuit diagram of the first state of the battery mode of UPS topological circuit shown in Fig. 4；
Fig. 6 b is the equivalent circuit diagram of the second state of the battery mode of UPS topological circuit shown in Fig. 4；
Fig. 7 a is the sequential logic figure that the alternating current of UPS topological circuit shown in Fig. 4 switches to battery mode；
Fig. 7 b is the sequential logic figure that the battery of UPS topological circuit shown in Fig. 4 switches to utility mode；
Fig. 8 is the circuit diagram of the second embodiment of UPS topological circuit of the invention；
Fig. 9 is the circuit diagram of the 3rd embodiment of UPS topological circuit of the invention；
Figure 10 is the circuit diagram of the fourth embodiment of UPS topological circuit of the invention.
Specific embodiment
Fig. 3 is the functional block diagram of UPS topological circuit of the invention.As shown in figure 3, UPS topological circuit of the invention includes
PFC/ conversion module 100, bus switching decoupling module 200 and inverter module 300.The PFC/ conversion module 100 and alternating current and
Battery is electrically connected or the PFC/ conversion module 100 is electrically connected with city and internal battery.Thus, PFC/ conversion module
100 can be used for receive from alternating current receive exchange input with from battery receptacle direct current input and to it is described exchange input progress it is whole
Stream/Active PFC inputs the direct current and carries out DC/DC transformation.Bus switching decoupling module 200 respectively with it is described
PFC module 100 and the inverter module 300 are electrically connected, and mount mode for changing bus capacitor.By changing bus electricity
The mounting mode of appearance, may be implemented single busbar and double busbar topology switch with for it is described exchange input and is inputted with the direct current provide
Current flow paths.The inverter module 300 be used for by the direct current input and it is described exchange input be converted into exchange export.?
Under utility mode, the bus switching decoupling module 200 is switched to double busbar topology, and the UPS topological circuit is with double-bus UPS
Topological circuit work.Under battery mode, the bus switching decoupling module 200 is switched to single busbar topology, the UPS topology
Circuit is with the work of single busbar UPS topological circuit., can be by using single busbar topology under battery mode, it can be by PFC module
In front stage circuits it is independent because making bus capacitor charged in parallel and being isolated with zero curve, to realize that multiple UPS are opened up
CB common battery group when flutterring circuit and machine work.
Those skilled in the art know, in the present invention, any of PFC module, pfc circuit, inverter module, inversion
Device or inverter circuit may be used to realize the PFC module 100 and inverter module 300 of the invention.Those skilled in the art
Member further knows that any bus switching module for having handoff functionality, circuit may be used to realize the mother of the invention
Line switches decoupling module 200.In the embodiment shown in Fig. 4,8-10 of the invention, show PFC module 100 of the invention,
The preferred embodiment of bus switching decoupling module 200.Those skilled in the art know, the embodiment illustrated in addition to the present invention with
Outside, decoupling module 200 can also be switched using other PFC modules 100, bus, as long as it can be realized single double mothers of the invention
Line topology.
Implement UPS topological circuit of the invention, decoupling module is switched by bus, it can be by the UPS topological circuit in list
It is switched between bus UPS topology and double-bus UPS topology, thus double-bus UPS topological structure and list can be combined
The advantage of bus UPS topological structure.
Fig. 4 is the circuit diagram of the first embodiment of UPS topological circuit of the invention.As shown in figure 4, of the invention
UPS topological circuit includes PFC module 100, bus switching decoupling module 200 and inverter module 300.The wherein PFC module 100
It further comprise PFC input unit, switch pipe unit, diode D7, diode D8, positive pole line capacitance C1 and negative busbar capacitor
C2.In the present embodiment, which includes diode D1, diode D2, diode D3, diode D4, diode
D5, diode D6, switch S1, switch S2, switch S3, switch S4, inductance L1, inductance L2 and battery.The switch pipe unit packet
Include switching tube Q1 and switching tube Q2.The bus switching decoupling module includes switch S5, switch S6, switch S8, switch S9, switch
S7, diode D9 and diode D10.The inverter module 300 includes switching tube Q3, switching tube Q4, switching tube Q5, switching tube
Inversion unit and inductance L3, capacitor C3 that Q6, diode D11 and diode D12 are constituted and the output unit that switch S10 is constituted.
As shown in figure 4, the anode of the diode D1 connects the cathode of the first ac input end A and diode D4.It is described
The anode of diode D2 connects the cathode of the second ac input end B and diode D5.The anode of the diode D3 connects third
The cathode of ac input end C and diode D6.The diode D1, diode D2 connect the switch with the cathode of diode D3
The first end of S1, the diode D4, diode D5 and the anode of diode D6 connect the first end of the switch S2.It is described to open
The first end of the second end connection inductance L1 of S1 and the first end of switch S3 are closed, the second end connection inductance L2's of the switch S2
The first end of first end and switch S4, the second end of switch S3 connect anode, and the second end of switch S4 connects battery cathode,
The second end of the inductance L1 connects the first end of the switch S8, and the second end of the inductance L2 connects the of the switch S9
One end.The switching tube Q1 connects control signal with the grid of switching tube Q2, and the drain electrode of the switching tube Q1 connects the inductance
The second end of L1, the source electrode of the switching tube Q1 connect the drain electrode of the switching tube Q2, and the source electrode of the switching tube Q2 connects institute
State the second end of inductance L2.The first end of switch S5 and S6 are all connected to the leakage of the source electrode and switching tube Q2 of the switching tube Q1
Pole.The second end of the S8 connects the second end of the switch S6 and the anode of the diode D10.The second of the switch S5
End is connected to the first end of switch S9 and the cathode of diode D9.The source electrode of the anode connection switch pipe Q3 of the diode D9 and
The cathode of positive pole line capacitance C1.The drain electrode of the cathode connection switch pipe Q4 of the diode D10 and the anode of negative busbar capacitor C2.
The second end of the anode connection inductance L1 of diode D7, cathode connect the anode of positive pole line capacitance C1.The cathode of diode D8 connects
Connect the second end of inductance L2, the cathode of anode connection negative busbar capacitor C2.The first end of zero curve switch S7 connects the switching tube
The source electrode of Q1 connects zero curve with the drain electrode of switching tube Q2, second end.The grid connection control signal of switching tube Q3-Q6.Switching tube
The source electrode of the drain electrode connection switch pipe Q4 of Q3.The anode of the drain electrode connection positive pole line capacitance C1 of switching tube Q5, source electrode connection switch
The drain electrode of pipe Q6.The cathode of the source electrode connection negative busbar capacitor C2 of switching tube Q6.The anode connection switch pipe Q3's of diode D11
The source electrode of source electrode, the anode of cathode connection diode D12 and switching tube Q5.The leakage of the cathode connection switch pipe Q4 of diode D12
Pole.The first end of inductance L3 is connected to the drain electrode of the source electrode and switching tube Q6 of switching tube Q5, second end be connected to through switch S10 it is defeated
Outlet.Capacitor C3 is connected between output end and zero curve.
Fig. 5 a-5d is the equivalent circuit diagram of the utility mode of UPS topological circuit shown in Fig. 4.In conjunction with Fig. 5 a-5d to alternating current
Under mode, the working principle of UPS topological circuit is described as follows.
Under utility mode, switch S1, switch S2, switch S5, switch S6, zero curve switch S7 closure, switch S3, switch
S4, switch S8, switch S9 are disconnected.Alternating current by switch S1, inductance L1, switching tube Q1, diode D7, diode D9, switch S5,
Switch S7 charges to positive pole line capacitance C1；Pass through zero curve switch S7, switching tube Q2, switch S6, diode D10, diode D8, electricity
Feel L2, switch S2 to charge to negative busbar capacitor C2.Therefore under utility mode, the UPS topological circuit is with double-bus UPS topology electricity
Road work.
Fig. 6 a-b is the equivalent circuit diagram of the battery mode of UPS topological circuit shown in Fig. 4.In conjunction with Fig. 6 a-6b to battery
Under mode, the working principle of UPS topological circuit is described as follows.
Under battery mode, switch S3, switch S4, switch S8, switch S9 closure, switch S1, switch S2, switch S5, switch
S6, switch S7 are disconnected.Battery passes through switch S3, inductance L1, switching tube Q1, switching tube Q2, diode D7, diode D9, switch
S9, inductance L2, switch S4 fill energy to positive pole line capacitance C1；Pass through switch S3, inductance L1, switching tube Q1, switching tube Q2, switch
S8, diode D10, diode D8, inductance L2, switch S4 fill energy to negative busbar capacitor C2；Bus capacitor C1, C2 parallel connection is filled at this time
Electricity.Therefore under utility mode, the UPS topological circuit is with the work of single busbar UPS topological circuit.
Fig. 7 a-b is that the alternating current of UPS topological circuit shown in Fig. 4 is patrolled to battery and battery to the timing that utility mode switches
Collect figure；There are two types of send out wave mode for PFC module under battery mode: switching tube Q1, switching tube Q2 synchronize height and take place frequently wave；An or switch
Plumber's frequency normal open, another switching tube height take place frequently wave.
When city's cutting battery, switching tube Q1, switching tube Q2 are sealed into wave first, are then turned off switch S1, switch S2, switch
S5, switch S6, switch S7 reclose switch S3, switch S4, switch S8, switch S9, finally enable switching tube Q1, switching tube Q2
Wave is sent out, control logic is as shown in Figure 7a.
When battery cuts alternating current, switching tube Q1, switching tube Q2 are sealed into wave first, are then turned off switch S3, switch S4, switch
S8, switch S9 reclose switch S1, switch S2, switch S5, switch S6, switch S7, finally enable switching tube Q1, switching tube Q2
Wave is sent out, control logic is as shown in Figure 7b.
It follows that UPS topological circuit of the invention mounts position by adjusting bus capacitor, make it under utility mode
Work is worked under double-bus mode, battery mode in single busbar mode.As long as the switching tube Q3 of inverter side, switching tube Q4 are kept
Power frequency is synchronous, and multiple UPS topological circuits can CB common battery group.
Fig. 8 is the circuit diagram of the second embodiment of UPS topological circuit of the invention.As shown in figure 8, of the invention
UPS topological circuit includes PFC module 100, bus switching decoupling module 200 and inverter module 300.The wherein PFC module 100
It further comprise PFC input unit, switch pipe unit, diode D7, diode D8, positive pole line capacitance C1 and negative busbar capacitor
C2.Compared with embodiment illustrated in fig. 4, the only PFC input unit of UPS topological circuit shown in Fig. 8 is slightly different.Therefore, herein
The rest part for just not switching decoupling module 200 and inverter module 300 and PFC to bus is described in detail, only to Fig. 8 institute
The PFC input unit shown is illustrated.
As shown in figure 8, the PFC input unit include diode D1, diode D2, switch S1, switch S2, switch S3,
The anode of diode D1 described in switch S4, inductance L1 and inductance L2. is connected to the yin of single phase input A and the diode D2
Pole.The cathode of the diode D1 connects the first end of the switch S1, and the anode of the diode D2 connects the switch S2
First end, the first end of the second end connection inductance L1 of the switch S1 and the first end of switch S3, the of the switch S2
Two ends connect the first end of inductance L2 and the first end of switch S4, the second end connection anode of switch S3, and the of switch S4
Two ends connect battery cathode, the drain electrode of the second end connection switch pipe Q1 of the inductance L1, switch S8 first end and diode
The anode of D7.Source electrode, the first end of switch S9 and the cathode of diode D8 of the second end connection switch pipe Q2 of the inductance L2.
Embodiment illustrated in fig. 8 is the single-phase input mode of embodiment illustrated in fig. 4, working principle, hair wave control mechanism with
Embodiment illustrated in fig. 4 is identical.The introduction of embodiment based on shown in Fig. 4, those skilled in the art can understand in single-phase input mould
Working principle under formula, therefore repeat no more.
Fig. 9 is the circuit diagram of the 3rd embodiment of UPS topological circuit of the invention.As shown in figure 9, of the invention
UPS topological circuit includes PFC module 100, bus switching decoupling module 200 and inverter module 300.The wherein PFC module 100
It further comprise PFC input unit, switch pipe unit, diode D7, diode D8, positive pole line capacitance C1 and negative busbar capacitor
C2.Compared with embodiment illustrated in fig. 4, the only PFC input unit of UPS topological circuit shown in Fig. 9 is slightly different.Therefore, herein
The rest part for just not switching decoupling module 200 and inverter module 300 and PFC to bus is described in detail, only to Fig. 9
Shown in PFC input unit be illustrated.The 3rd embodiment of UPS topological circuit shown in Fig. 9 is really UPS shown in Fig. 4
The inductance prefixed form of the PFC module of topological circuit.
The PFC input unit includes diode D1, diode D2, diode D3, diode D4, diode D5, two poles
Pipe D6, switch S1, switch S2, switch S3, switch S4, switch S5, switch S6, switch S7, inductance L1, inductance L2, inductance L3 and
Battery.The first end of the anode connection inductance L1 of the diode D1 and the cathode of diode D4, the anode of the diode D2
Connect the first end of inductance L2 and the cathode of diode D5, the first end of the anode connection inductance L3 of the diode D3 and two poles
The drain electrode of the cathode connection switch pipe Q1 of the cathode of pipe D6, the diode D1, diode D2 and diode D3, switch S8
The source electrode of the anode connection switch pipe Q2 of the anode of one end and diode D7, the diode D4, diode D5 and diode D6,
The first end of switch S9 and the cathode of diode D8.The second end of the inductance L1 is exchanged through the switch S1 connection first and is inputted
A is held, the second end of the inductance L2 is through the second ac input end of switch S2 connection B, and the second end of the inductance L3 is through institute
State switch S3 connection third ac input end C.Second end of the anode through the switch S4 connection switch S1 of the battery, through institute
The second end of switch S5 connection switch S2 and the second end through the switch S6 connection switch S3 are stated, the cathode of the battery is through institute
State source electrode, the first end of switch S9 and the cathode of diode D8 of switch S7 connection switch pipe Q2.
Embodiment illustrated in fig. 9 is the inductance preamble pattern of embodiment illustrated in fig. 4, working principle, hair wave control mechanism with
Embodiment illustrated in fig. 4 is identical.The introduction of embodiment based on shown in Fig. 4, those skilled in the art can understand in the preposition mould of inductance
Working principle under formula, therefore repeat no more.
Figure 10 is the circuit diagram of the fourth embodiment of UPS topological circuit of the invention.As shown in Figure 10, of the invention
UPS topological circuit includes PFC module 100, bus switching decoupling module 200 and inverter module 300.The wherein PFC module 100
It further comprise PFC input unit, switch pipe unit, diode D7, diode D8, positive pole line capacitance C1 and negative busbar capacitor
C2.Compared with embodiment illustrated in fig. 4, only PFC input unit, switch pipe unit and the bus of UPS topological circuit shown in Fig. 10
Switching decoupling module 200 is slightly different.Therefore, just the rest part of inverter module 300 and PFC is not carried out herein detailed
Description is only illustrated PFC input unit shown in Fig. 10 and bus switching decoupling module 200.
Compared with embodiment illustrated in fig. 4, the PFC input unit of UPS topological circuit shown in Fig. 10 further comprises switch
S8 and switch S9.The switch pipe unit further comprises switch S10 and switch S11.The first end of the switch S8 connects institute
State the first end of inductance L1, second end connects the drain electrode of the switching tube Q2 and the first end of the switch S11, the switch S9
First end connect the inductance L2 first end, second end connect the switching tube Q1 source electrode and the switch S10
One end, the second end of the switch S11 connect the second end of the switch S10.
The bus switching decoupling module includes single-pole double-throw switch (SPDT) S5, single-pole double-throw switch (SPDT) S6, switch S7, diode D9
It is connected with the cathode of diode D10, the anode connection positive pole line capacitance C1 of the diode D9 with the source electrode of switching tube Q3, cathode
The moving contact of the single-pole double-throw switch (SPDT) S5.The the first stationary contact connection switch S10 and switch S11 of the single-pole double-throw switch (SPDT) S5
Tie point, the source electrode of the second stationary contact connection switch pipe Q2 and the second end of inductance L2.The cathode of the diode D10 connects
The anode of negative busbar capacitor C2 connects the moving contact of the single-pole double-throw switch (SPDT) S6, the list with the drain electrode of switching tube Q4, anode
The second end that the first stationary contact of double-pole double throw switch S6 connects the inductance L1 is connected with the drain electrode of switching tube Q1, the second stationary contact
The tie point of switch S10 and switch S11, the first end of the switch S7 connect zero curve, and the second end connection of the switch S7 is opened
Close the tie point of S10 and switch S11.
Embodiment illustrated in fig. 10 is the single-pole double-throw switch (SPDT) form of embodiment illustrated in fig. 4, therefore its working principle, hair wave control
Mechanism processed is identical as embodiment illustrated in fig. 4.The introduction of embodiment based on shown in Fig. 4, those skilled in the art can understand its work
Make principle, therefore repeats no more.Since embodiment illustrated in fig. 10 further comprises switch S8, S9, S10 and S11, in battery
Under mode, PFC module can switch to high gain mode, to support broader battery voltage range, can also switch to general
Logical gain mode is used with adapting to common gain.
Although the present invention be illustrated by specific embodiment, it will be appreciated by those skilled in the art that, do not departing from
In the case where the scope of the invention, various transformation and equivalent substitute can also be carried out to the present invention.Therefore, the present invention is not limited to institute
Disclosed specific embodiment, and should include the whole embodiments fallen within the scope of the appended claims.
Claims (9)
1. a kind of UPS topological circuit characterized by comprising
PFC/ conversion module, for receive from alternating current receive exchange input with from battery receptacle direct current input and to it is described exchange it is defeated
Enter to carry out PFC and input the direct current to carry out DC/DC transformation；
Bus switch decoupling module, for changing bus capacitor mounting mode to realize single busbar and double busbar topology switching with
Current flow paths are provided for exchange input and direct current input；
Inverter module, for the DC voltage of bus switching decoupling module output to be converted into exchange output；
Under utility mode, the bus switching decoupling module is switched to double busbar topology, and the UPS topological circuit is with double-bus
The work of UPS topological circuit；Under battery mode, the bus switching decoupling module is switched to single busbar topology, the UPS topology
Circuit is with the work of single busbar UPS topological circuit；Under battery mode, through single busbar topology, before in PFC/ conversion module
Grade circuit is independent, so that bus capacitor charged in parallel and being isolated with zero curve.
2. UPS topological circuit according to claim 1, which is characterized in that the bus switching decoupling module includes first
Switch, second switch, third switch, the 4th switch, zero curve switch, first diode and the second diode, the first switch
First end connect the first output end of the PFC/ conversion module, the first end of the second switch and the third switch
First end connects the second output terminal of the PFC/ conversion module, the first end of the 4th switch connects the PFC/ transformation mould
The third output end of block, the second end of the first switch connect third switch second end and second diode
Anode, the second end of the second switch connects the second end of the 4th switch and the cathode of the first diode, described
The anode of first diode connects the first input end of the inverter module, and the cathode of second diode connects the inversion
The first end of second input terminal of module, the zero curve switch connects zero curve, described in the second end connection that the zero curve switchs
The second output terminal of PFC/ conversion module.
3. UPS topological circuit according to claim 1, which is characterized in that the bus switching decoupling module includes first
Single-pole double-throw switch (SPDT), the second single-pole double-throw switch (SPDT), zero curve switch, first diode and the second diode, the first diode
Anode connect the first input end of the inverter module, cathode connects the moving contact of first single-pole double-throw switch (SPDT), described
First stationary contact of the first single-pole double-throw switch (SPDT) connects the second output terminal of the PFC/ conversion module, the second stationary contact connection institute
State the third output end of PFC/ conversion module, the cathode of second diode connect the second input terminal of the inverter module,
Anode connects the moving contact of second single-pole double-throw switch (SPDT), described in the first stationary contact connection of second single-pole double-throw switch (SPDT)
The first output end, the second stationary contact of PFC/ conversion module connect the second output terminal of the PFC/ conversion module, the zero curve
The first end of switch connects zero curve, and the second end of the zero curve switch connects the second output terminal of the PFC/ conversion module.
4. UPS topological circuit according to claim 2 or 3, which is characterized in that the PFC/ conversion module includes that PFC/ becomes
Change input unit, switch pipe unit, third diode, the 4th diode, the first bus capacitor and the second bus capacitor；It is described
First output end of PFC/ transformation input unit connects the first input end and the third diode of the switch pipe unit
Anode, the second output terminal of the PFC/ transformation input unit connect the second input terminal and the described 4th of the switch pipe unit
The cathode of diode, the cathode of the third diode connect the anode of first bus capacitor, the sun of four diode
Pole connects the cathode of second bus capacitor, and the cathode of first bus capacitor connects the first input of the inverter module
End, the anode of second bus capacitor connect the second input terminal of the inverter module.
5. UPS topological circuit according to claim 4, which is characterized in that the switch pipe unit includes first switch tube
And second switch, the first switch tube connect control signal, the leakage of the first switch tube with the grid of second switch
Pole connects the first output end of the PFC/ conversion module, and the source electrode of the first switch tube connects the leakage of the second switch
The second output terminal of pole and the PFC/ conversion module, the source electrode of the second switch connect the of the PFC/ conversion module
Three output ends.
6. UPS topological circuit according to claim 5, which is characterized in that the PFC/ transformation input unit includes the 5th
Diode, the 6th diode, the 7th diode, the 8th diode, the 9th diode, the tenth diode, the 5th switch, the 6th open
Pass, the 7th switch, the 8th switch, the first inductance, the second inductance and battery, the first exchange of anode connection of the 5th diode
The cathode of input terminal and the 8th diode, the anode of the 6th diode connect the second ac input end and the 9th diode
Cathode, the cathode of anode connection the third ac input end and the tenth diode of the 7th diode, the 5th diode,
The cathode of 6th diode and the 7th diode connects the first end of the 5th switch, the 8th diode, the 9th 2 pole
Pipe connects the first end of the 6th switch with the anode of the tenth diode, and the second end of the 5th switch connects the first inductance
First end and the 7th switch first end, it is described 6th switch second end connect the second inductance first end and the 8th switch
First end, the 7th switch second end connect anode, the 8th switch second end connect battery cathode, it is described first electricity
The second end of sense connects the first output end of PFC/ transformation input unit, described in the second end connection of second inductance
The third output end of PFC/ transformation input unit.
7. UPS topological circuit according to claim 6, which is characterized in that the PFC/ transformation input unit includes the 9th
Switch and the tenth switch, the switch pipe unit include the 11st switch and the 12nd switch, the first end of the 9th switch
Connect first inductance first end, second end connect the second switch drain electrode and it is described 12nd switch first
End, first end, the second end that the first end of the tenth switch connects second inductance connect the source of the first switch tube
The first end of pole and the 11st switch, the second end of the 12nd switch connect the second end of the 11st switch.
8. UPS topological circuit according to claim 5, which is characterized in that the PFC/ transformation input unit includes the 5th
Diode, the 6th diode, the 5th switch, the 6th switch, the 7th switch, the 8th switch, the first inductance and the second inductance, it is described
The anode of 5th diode is connected to the cathode of single phase input and the 6th diode, and the cathode of the 5th diode connects
Connect it is described 5th switch first end, the anode of the 6th diode connect it is described 6th switch first end, the described 5th
The second end of switch connects the first end of the first inductance and the first end of the 7th switch, the second end connection of the 6th switch the
The first end of the first end of two inductance and the 8th switch, the second end connection anode of the 7th switch, the second of the 8th switch
End connection battery cathode, the second end of first inductance connects the first output end of the PFC/ transformation input unit, described
The second end of second inductance connects the third output end of the PFC/ transformation input unit.
9. UPS topological circuit according to claim 5, which is characterized in that the PFC/ transformation input unit includes the 5th
Diode, the 6th diode, the 7th diode, the 8th diode, the 9th diode, the tenth diode, the 5th switch, the 6th open
It closes, the 7th switch, the 8th switch, the 9th switch, the tenth switch, the 11st switch, the first inductance, the second inductance, third inductance
And battery, the first end of anode the first inductance of connection of the 5th diode and the cathode of the 8th diode, the described 6th 2
The anode of pole pipe connects the first end of the second inductance and the cathode of the 9th diode, and the anode of the 7th diode connects third
The cathode of the cathode of the first end of inductance and the tenth diode, the 5th diode, the 6th diode and the 7th diode connects
The first output end of the PFC/ conversion module is connect, the anode of the 8th diode, the 9th diode and the tenth diode connects
The third output end of the PFC/ conversion module is connect, the second end of first inductance is through the first exchange of the 5th switch connection
Input terminal, the second end of second inductance is through the 6th switch second ac input end of connection, and the of the third inductance
Two ends are through the 7th switch connection third ac input end, and the anode of the battery is through the 8th switch connection the described 5th
The second end of switch, the second end through the 9th switch connection the 6th switch and through the tenth switch connection described the
The second end of seven switches, the third that the cathode of the battery connects the PFC/ conversion module through the 11st switch export
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164629.4A CN106160184B (en) | 2015-04-09 | 2015-04-09 | A kind of UPS topological circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164629.4A CN106160184B (en) | 2015-04-09 | 2015-04-09 | A kind of UPS topological circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106160184A CN106160184A (en) | 2016-11-23 |
| CN106160184B true CN106160184B (en) | 2019-01-11 |
Family
ID=57336411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510164629.4A Active CN106160184B (en) | 2015-04-09 | 2015-04-09 | A kind of UPS topological circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160184B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556912A (en) * | 2019-09-16 | 2019-12-10 | 深圳市宝安任达电器实业有限公司 | UPS three-level PFC topological circuit and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567573A (en) * | 2009-02-06 | 2009-10-28 | 艾默生网络能源有限公司 | Uninterrupted power and control method thereof |
| CN101699698A (en) * | 2009-07-30 | 2010-04-28 | 艾默生网络能源有限公司 | Uninterruptible power supply |
| CN102593945A (en) * | 2012-02-20 | 2012-07-18 | 华为技术有限公司 | Uninterruptible power supply circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6069412A (en) * | 1993-03-29 | 2000-05-30 | Powerware Corporation | Power factor corrected UPS with improved connection of battery to neutral |
| CN101090203A (en) * | 2007-07-06 | 2007-12-19 | 艾默生网络能源有限公司 | On-line uninterrupted UPS system |
-
2015
- 2015-04-09 CN CN201510164629.4A patent/CN106160184B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567573A (en) * | 2009-02-06 | 2009-10-28 | 艾默生网络能源有限公司 | Uninterrupted power and control method thereof |
| CN101699698A (en) * | 2009-07-30 | 2010-04-28 | 艾默生网络能源有限公司 | Uninterruptible power supply |
| CN102593945A (en) * | 2012-02-20 | 2012-07-18 | 华为技术有限公司 | Uninterruptible power supply circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106160184A (en) | 2016-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104967141B (en) | A kind of Hybrid HVDC system | |
| CN111355287B (en) | Vehicle-mounted charger | |
| CN102460932B (en) | Power conversion apparatus | |
| CN103368231B (en) | Uninterruptible power supply circuit | |
| CN100578888C (en) | Uninterruptible power supply | |
| CN109889077A (en) | Single-phase and three-phase compatible AC/DC circuit and charge and discharge device | |
| CN103715746B (en) | A kind of UPS and DC/DC circuit | |
| CN107493025B (en) | A kind of loaded self-adaptive change of current control method of Resonant DC Link three-phase inverter | |
| CN106329572A (en) | Hybrid energy storage converter device and control method | |
| CN107546836B (en) | A kind of ups power | |
| CN102158072B (en) | Power inverter of parallel-connected electric bridge type impedance network | |
| CN108736733A (en) | Two-way DC/DC converters and its control method is isolated in a kind of variable turns ratio | |
| CN107017775A (en) | Magnetic coupling equalizing circuit based on bus type equalising network | |
| CN104362924A (en) | SPWM-based (sinusoidal pulse width modulation) fault-tolerance control method of three-phase open-winding PMSM (permanent magnet synchronous motor) drive system | |
| CN102969920A (en) | Bidirectional inverter with dual operating modes | |
| CN104242716B (en) | High-reliability non-switching-loss type non-isolated inverter and switching control time sequence thereof | |
| CN104410310A (en) | Neutral point clamped H-bridge photovoltaic inverter and method for inhibiting common mode leakage current | |
| CN108736756A (en) | A kind of double auxiliary resonance electrode type three phase soft switch inverter circuits of modified | |
| CN106160184B (en) | A kind of UPS topological circuit | |
| CN102185491B (en) | Serial and parallel connection electrical bridge type impedance network power converter | |
| CN105576813B (en) | A kind of the battery group mounting circuit and uninterruptible power supply of uninterruptible power supply | |
| CN206865369U (en) | Three level multiple-pulses export transformerless inverter circuit | |
| CN108448695A (en) | Electric vehicle integrated charge device and charge control method | |
| CN208094445U (en) | Vector closes 360 ° of phase and amplitude controllable AC converters | |
| CN207782664U (en) | Three Level Full Bridge Sofe Switch convertor circuits, welding machine, electrolysis water power supply and charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Applicant after: Vitamin Technology Co., Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Applicant before: Aimosheng Network Energy Source Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |