CN107453462A - A kind of High-reliability large-power DC charging motor - Google Patents
A kind of High-reliability large-power DC charging motor Download PDFInfo
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- CN107453462A CN107453462A CN201710803534.1A CN201710803534A CN107453462A CN 107453462 A CN107453462 A CN 107453462A CN 201710803534 A CN201710803534 A CN 201710803534A CN 107453462 A CN107453462 A CN 107453462A
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- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000010363 phase shift Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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- H02J2007/10—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention is a kind of High-reliability large-power DC charging motor.If include exchange input breaker, phase-shifting transformer, current rectifying and wave filtering circuit, main line charging gun branch road, wherein three-phase and four-line AC-input voltage is connected by exchanging input breaker with phase-shifting transformer, the output of phase-shifting transformer is connected with current rectifying and wave filtering circuit input, rectification filter circuit output end separates multichannel, if being connected respectively with main line charging gun branch road.The present invention designs DC charging motor on the whole；Each functions of modules is clear, simple in construction；The radiating of the heater members of complete machine passes through large volume radiator heat-dissipation；DC charging motor is needed only to radiator heat-dissipation；The multiple gun design of the present invention improves the utilization rate of DC charging motor；The key switch element of the present invention uses insulated gate bipolar transistor（IGBT）Or SiC power models;Charger reliability is improved, reduces charger cost.
Description
Technical field
The present invention relates to charging technique field, more particularly to the design of high power DC charger, and in particular to a kind of
High-reliability large-power DC charging motor.
Background technology
Domestic DC charging motor design is all that two are carried out under AC three-phase four-wire system 380V input condition at present
Secondary design, its core power converting member is the DC charging module of three-level topology structure, and radiating mode is matched somebody with somebody using module
Air-cooled or liquid that standby active air cooling radiating+charger is equipped with is cold to radiate, and it has the shortcomings that following quite obvious：
1）DC charging motor use environment is quite severe, and generally operator does not consider the actual state of equipment, directly will
Equipment is arranged under open-air atmosphere, temperature, dust, humidity, greasy dirt, go mouldy, all kinds of factors of salt fog, chemical substance etc. are serious
Damage the service life of DC charging module and the electronic component of inside modules and printed circuit board (PCB)；The equipment of Standard
IP degree of protection is only IP54, can not block under the mode of operation of active air cooling steam, greasy dirt, salt fog, chemical substance
Into so as to cause the irreversible physics of DC charging module, chemical damage.
2）The higher active air cooling formula DC charging inside modules of in general 15KW power densities have used 2 small direct current wind
Machine（Size-constrained system）, the radiating of module places one's entire reliance upon DC fan；DC charging motor again will by way of air blast cooling
The air quantity of the small DC fan of inside modules suctions out, and any one fan failure can all cause DC charging module working environment more to be disliked
It is bad, accelerating module aging, reduction of service life.
3）The DC charging module higher using 15KW power densities is as charging acc power Switching Core part, although side
Just change, but because Module Price is expensive, DC generator manufacturer will not reserve enough margin of powers in design, cause direct current
The reliability of charging module substantially reduces.
The content of the invention
A kind of High-reliability large-power DC charging motor is provided it is an object of the invention to consider above mentioned problem.It is of the invention each
Functions of modules is clear, simple in construction, and the utilization rate of DC charging motor is high, and reliability is high, and charger cost is low.
The technical scheme is that：The High-reliability large-power DC charging motor of the present invention, include exchange input open circuit
If device, phase-shifting transformer, current rectifying and wave filtering circuit, main line charging gun branch road, wherein three-phase and four-line AC-input voltage pass through exchange
Input breaker is connected with phase-shifting transformer, and the output of phase-shifting transformer is connected with current rectifying and wave filtering circuit input, rectifying and wave-filtering
Circuit output end separates multichannel, if being connected respectively with main line charging gun branch road.
It is above-mentioned to include direct current input breaker, DC/DC power conversion circuits, direct current output open circuit per road charging gun branch road
Device, attachment means, off-board DC charging machine controller, direct current input the input and rectification filter circuit output end of breaker
Connection, direct current input breaker output end be connected with DC/DC power conversion circuits, the output of DC/DC power conversion circuits and
The input connection of direct current output breaker, the output end of direct current output breaker export direct current through attachment means to electricity respectively
Electrical automobile charges, and direct current input breaker, direct current output breaker are controlled by off-board DC charging machine controller, each
DC charging module is all to work independently and controlled by off-board DC charging machine controller.
The present invention compared with prior art, has the following technical effect that：
1）The overall design modularization of DC charging motor of the present invention, structuring；
The design of whole DC charging motor of the invention is divided into exchange input, rectifying and wave-filtering, power conversion, direct current output, connection dress
Put and formed with off-board DC charging machine controller；
Wherein, power conversion has an independent controller, and with off-board DC charging machine controller real-time communication, more favourable guarantor
The reliable and safe of whole charging process is demonstrate,proved；
Exchange input and current rectifying and wave filtering circuit are to change the public of output to the power that the output of rear class multiple gun is rear class multiple-channel output
Part；
2）The main circuit power heat-generating electronic elements of complete machine of the present invention（Including AC rectification diode, LLC full-bridge resonance circuits
Switching tube, high-speed rectifier pipe）Radiated on special large volume radiator；The wind that radiator is equipped with by charger
Cold or liquid is cold to radiate；
3）Weak control circuit of the present invention is encapsulated in the housing with good heat radiating, heat-insulated with power heater element；Raising is filled
The IP degree of protection of motor, improve the service life under system adverse circumstances.
4）Complete machine of the present invention is designed using multiple-channel output.On the one hand the service efficiency of charger is improved；On the other hand pass through
Power distribution（System is distributed）Or power expands（It is in parallel by the LLC full-bridges resonance circuit in parallel or whole of switching tube）Meet
Demand of the The Next 3-5 Years electric automobile to DC charging acc power increase-volume；
5）Key switch element of the present invention uses insulated gate bipolar transistor（IGBT）Or SiC power models substitute Traditional DC
The FET used in charging power modules（MOSFET）；Simplify power circuit design, improve charger reliability, reduction is filled
Motor cost.
The present invention is a kind of ingenious in design, function admirable, convenient and practical high power DC charger.
Brief description of the drawings
Fig. 1 is the theory diagram of high power DC charger of the present invention；
Fig. 2 is the theory diagram of current rectifying and wave filtering circuit in the present invention；
Fig. 3 is the theory diagram of DC/DC power conversion circuits in the present invention；
Fig. 4 is the circuit theory diagrams of DC/DC power conversion circuits in the present invention.
Embodiment
Embodiment：
The structural representation of the present invention is as shown in figure 1, the High-reliability large-power DC charging motor of the present invention, includes exchange input
If breaker, phase-shifting transformer, current rectifying and wave filtering circuit, main line charging gun branch road, wherein three-phase and four-line AC-input voltage pass through
Exchange input breaker is connected with phase-shifting transformer, and the output of phase-shifting transformer is connected with current rectifying and wave filtering circuit input, rectification
Filter circuit output end separates multichannel, if being connected respectively with main line charging gun branch road.
It is above-mentioned to include direct current input breaker, DC/DC power conversion circuits, direct current output open circuit per road charging gun branch road
Device, attachment means, off-board DC charging machine controller, direct current input the input and rectification filter circuit output end of breaker
Connection, direct current input breaker output end be connected with DC/DC power conversion circuits, the output of DC/DC power conversion circuits and
The input connection of direct current output breaker, the output end of direct current output breaker export direct current through attachment means to electricity respectively
Electrical automobile charges, and direct current input breaker, direct current output breaker are controlled by off-board DC charging machine controller, each
DC charging module is all to work independently and controlled by off-board DC charging machine controller.
In the present embodiment, above-mentioned phase-shifting transformer carries out phase shift by inputting electricity to exchange, and it is defeated to substantially eliminate exchange
Enter the low-order harmonic of electricity.DC charging motor of the present invention can connect multichannel charging gun branch road, share prime exchange input and its it is whole
Current circuit, multichannel charging gun is supported to charge simultaneously.
In the present embodiment, above-mentioned current rectifying and wave filtering circuit includes by diode D11~D22, the bridge rectifier filter of C4 compositions
The output-parallel of two 6 impulse commutation bridges of wave circuit, wherein D11~D16 and D17~D22, and it is in parallel with filter capacitor C4, it is defeated
Go out steady dc voltage, charger is delivered to by DC power distribution line.
In the present embodiment, above-mentioned diode D11~D22 is power device；Above-mentioned power device is arranged on the first radiator
On；First radiator uses air-cooled or liquid cooling heat radiator.
In the present embodiment, above-mentioned DC/DC power conversion circuits include LLC full bridge inverters, high frequency transformer, high frequency
Rectification circuit, reverse-filling DC output circuit, DC/DC PWM isolation drives control circuit, wherein DC/DC controllers, LLC full-bridges
The input of inverter circuit is connected with the output end of PFC rectification circuits, output end and the high frequency transformation of LLC full bridge inverters
The primary coil connection of device, the secondary coil of high frequency transformer and the input of high-frequency rectification circuit connect, high-frequency rectification circuit
Output end be connected with the input of reverse-filling DC output circuit, the output end and Rechargeable vehicle of reverse-filling DC output circuit
Connection, DC/DC controllers drive the switching tube of LLC full bridge inverters, high frequency by DC/DC PWM isolation drives control circuit
Output voltage, the electric current of rectification circuit are also sampled by DC/DC PWM isolation drive control circuits gives DC/DC controllers.
In the present embodiment, above-mentioned LLC full bridge inverters include four switching devices and its peripheral circuit, four derailing switches
Part is Q1, Q2, Q3, Q4 respectively, Q1 gate pole, Q2 gate pole, Q3 gate pole, Q4 gate pole all with DC/DC PWM isolation drives
Control circuit connects, and Q1 emitter stage, Q2 colelctor electrode, Q3 emitter stage, Q4 colelctor electrode are all first with high frequency transformer T2
Level coil connection, Q1 colelctor electrode and Q3 colelctor electrode are connected with electrochemical capacitor C2 anode, the transmitting of Q2 emitter stage and Q4
Negative terminal of the pole all with electrochemical capacitor C2 is connected, and above-mentioned electrochemical capacitor C2 is alminium electrolytic condenser.High-frequency rectification circuit includes by two
The bridge rectifier of pole pipe D9, D10, D11, D12 composition；Reverse-filling DC output circuit includes diode D8, diode
The output end anode of bridge rectifier of the D8 anode with being made up of diode D9, D10, D11, D12 is connected, diode D8's
The input of negative electrode and automobile connects.
In the present embodiment, aforementioned four switching device Q1, Q2, Q3, Q4 are high-power components；Two in high-frequency rectification circuit
Pole pipe D9, D10, D11, D12 are high-power components；Diode D8 in reverse-filling DC output circuit is high-power components；On
High-power components are stated on high-power components radiator；High-power components radiator is air-cooled or liquid cooling heat radiator；DC/DC
Controller and DC/DC PWM isolated drive circuits are encapsulated in light current housing, and light current housing is isolated with high-power components radiator
Realize heat.
In the present embodiment, above-mentioned switching device Q1, Q2, Q3, Q4, Q5 can both use insulated gate bipolar transistor
IGBT, SiC power models can be used again.
In the present embodiment, above-mentioned DC charging motor can connect multichannel charging gun loop, share PFC rectification circuits, support
Multichannel charging gun charges simultaneously.
The operation principle of the present invention is as follows：The charging gun branch road of automobile and charger to be charged connects, on automobile to be charged
Vehicle mounted battery management system（BMS）Communicated by CAN with the off-board DC charging machine controller on charger；This hair
During bright start-up operation, three-phase and four-line alternating current directly through exchange input breaker, phase-shifting transformer and current rectifying and wave filtering circuit, becomes
Direct current, direct current separate multichannel, and the input with multichannel DC/DC power conversion circuits is connected respectively, each DC/DC power conversions
The output end of circuit exports the off-board DC charging machine controller met on charger and issues the direct current of requirement through even respectively
Connection device is to charging electric vehicle.The off-board DC charging machine controller of charger is ensureing after charge requirement is received
Under conditions of personnel, equipment safety, according to vehicle mounted battery management system（BMS）Demand, according to each DC/DC power of charger itself
Translation circuit maximum charge ability and vehicle mounted battery management system（BMS）The smaller value of demand issues output voltage, current-order
To each DC/DC power conversion circuits, each DC/DC power conversion circuits output voltage, electric current give vapour to be charged by attachment means
The charging on-vehicle battery of car.
Claims (10)
1. a kind of High-reliability large-power DC charging motor, it is characterised in that include exchange input breaker, phase-shifting transformer, whole
If flowing filter circuit, main line charging gun branch road, wherein three-phase and four-line AC-input voltage is by exchanging input breaker and phase shift
Transformer is connected, and the output of phase-shifting transformer is connected with current rectifying and wave filtering circuit input, and rectification filter circuit output end separates more
Road, if being connected respectively with main line charging gun branch road.
2. High-reliability large-power DC charging motor according to claim 1, it is characterised in that above-mentioned per road charging gun branch road
Include direct current input breaker, DC/DC power conversion circuits, direct current output breaker, attachment means, off-board DC charging
Machine controller, the input of direct current input breaker are connected with rectification filter circuit output end, and direct current inputs the output of breaker
End is connected with DC/DC power conversion circuits, and the output of DC/DC power conversion circuits connects with the input of direct current output breaker
Connect, the output end of direct current output breaker exports direct current through attachment means to charging electric vehicle, direct current input open circuit respectively
Device, direct current output breaker are controlled by off-board DC charging machine controller, and each DC charging module is all independent work
Make and controlled by off-board DC charging machine controller.
3. High-reliability large-power DC charging motor according to claim 2, it is characterised in that above-mentioned current rectifying and wave filtering circuit bag
Include by the bridge rectifier filter circuit being made up of diode D11~D22 and filter capacitor C4, wherein diode D11~D16 and two
The output-parallel of two 6 impulse commutation bridges of pole pipe D17~D22, and it is in parallel with filter capacitor C4, steady dc voltage is exported,
Charger is delivered to by DC power distribution line.
4. High-reliability large-power DC charging motor according to claim 2, it is characterised in that above-mentioned diode D11~D22
It is power device；Above-mentioned power device is arranged on the first radiator；First radiator uses air-cooled or liquid cooling heat radiator.
5. the High-reliability large-power DC charging motor according to any one of claim 2 to 4, it is characterised in that above-mentioned each to fill
Electric branch road input voltage is 0.6Kv~1Kv DC voltages.
6. High-reliability large-power DC charging motor according to claim 5, it is characterised in that above-mentioned DC/DC power conversions electricity
Road includes LLC full-bridges resonance circuit, high frequency transformer, high-frequency rectification circuit, reverse-filling DC output circuit, DC/DC PWM
Isolation drive control circuit, DC/DC controllers, wherein direct current by LLC full-bridge resonance circuits, LLC full-bridges resonance circuit with
High frequency transformer input is connected, and high frequency transformer output is connected with high-frequency rectification circuit, and high-frequency rectification circuit is straight with reverse-filling
Output circuit connection is flowed, DC/DC controllers control LLC full-bridge resonance circuits by DC/DC PWM isolation drives control circuit
Work and voltage, the current value of sampled output.
7. High-reliability large-power DC charging motor according to claim 6, it is characterised in that above-mentioned LLC full-bridges resonance circuit
Including four switching devices and its peripheral circuit, four switching devices are Q1, Q2, Q3, Q4 respectively, Q1 gate pole, Q2 door
Pole, Q3 gate pole, Q4 gate pole are all connected with DC/DC PWM isolation drive control circuits, Q1 emitter stage, Q2 colelctor electrode,
The primary coil of Q3 emitter stage, Q4 colelctor electrode all with high frequency transformer T2 is connected, Q1 colelctor electrode and Q3 colelctor electrode with
Electrochemical capacitor C2 anode connection, the negative terminal of Q2 emitter stage and Q4 emitter stage all with electrochemical capacitor C2 are connected, high-frequency rectification
Circuit includes the bridge rectifier being made up of diode D9, D10, D11, D12；Reverse-filling DC output circuit includes two
Pole pipe D8, diode D8 anode by the output end anode of diode D9, D10, D11, D12 bridge rectifier formed with being connected
Connect, diode D8 negative electrode and the input of automobile connect.
8. High-reliability large-power DC charging motor according to claim 6, it is characterised in that above-mentioned LLC full-bridges resonance circuit
Four switching devices Q1, Q2, Q3, Q4 be high-power components；Diode D9, D10, D11, D12 in high-frequency rectification circuit are
High-power components；Diode D8 in reverse-filling DC output circuit is high-power components.
9. High-reliability large-power DC charging motor according to claim 8, it is characterised in that above-mentioned high-power components installation
On high-power components radiator；High-power components radiator is air-cooled or liquid cooling heat radiator；DC/DC controllers and DC/DC
PWM isolated drive circuits are encapsulated in light current housing, light current housing isolate with high-power components radiator realize it is heat-insulated.
10. High-reliability large-power DC charging motor according to claim 8, it is characterised in that above-mentioned switching device Q1, Q2,
Q3, Q4, Q5 use insulated gate bipolar transistor IGBT, or use SiC power models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803534.1A CN107453462A (en) | 2017-09-06 | 2017-09-06 | A kind of High-reliability large-power DC charging motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803534.1A CN107453462A (en) | 2017-09-06 | 2017-09-06 | A kind of High-reliability large-power DC charging motor |
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| CN107453462A true CN107453462A (en) | 2017-12-08 |
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|---|---|---|---|
| CN201710803534.1A Pending CN107453462A (en) | 2017-09-06 | 2017-09-06 | A kind of High-reliability large-power DC charging motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177551A (en) * | 2018-02-09 | 2018-06-19 | 江苏万帮德和新能源科技股份有限公司 | A kind of integration charging system |
| CN108365663A (en) * | 2018-04-04 | 2018-08-03 | 苏州市万松电气有限公司 | Charger |
| CN109572454A (en) * | 2018-10-17 | 2019-04-05 | 国网浙江省电力有限公司杭州供电公司 | A kind of electric car Intelligent charging station charging system |
| CN111555412A (en) * | 2020-06-09 | 2020-08-18 | 南方电网科学研究院有限责任公司 | High-power direct current charging system |
| CN112217264A (en) * | 2020-10-21 | 2021-01-12 | 阳光电源股份有限公司 | Charging pile and charging unit thereof |
| CN112224081A (en) * | 2020-10-15 | 2021-01-15 | 阳光电源股份有限公司 | Multi-gun charging pile and charging pile circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017692A (en) * | 2017-06-02 | 2017-08-04 | 广东万城万充电动车运营股份有限公司 | A kind of high power DC charger |
| CN107069891A (en) * | 2017-06-02 | 2017-08-18 | 广东万城万充电动车运营股份有限公司 | A kind of electric automobile charging station based on high withstand voltage IGBT DC distributions |
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2017
- 2017-09-06 CN CN201710803534.1A patent/CN107453462A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107017692A (en) * | 2017-06-02 | 2017-08-04 | 广东万城万充电动车运营股份有限公司 | A kind of high power DC charger |
| CN107069891A (en) * | 2017-06-02 | 2017-08-18 | 广东万城万充电动车运营股份有限公司 | A kind of electric automobile charging station based on high withstand voltage IGBT DC distributions |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177551A (en) * | 2018-02-09 | 2018-06-19 | 江苏万帮德和新能源科技股份有限公司 | A kind of integration charging system |
| CN108365663A (en) * | 2018-04-04 | 2018-08-03 | 苏州市万松电气有限公司 | Charger |
| CN109572454A (en) * | 2018-10-17 | 2019-04-05 | 国网浙江省电力有限公司杭州供电公司 | A kind of electric car Intelligent charging station charging system |
| CN109572454B (en) * | 2018-10-17 | 2021-04-06 | 国网浙江省电力有限公司杭州供电公司 | Charging system of intelligent charging station for electric automobile |
| CN111555412A (en) * | 2020-06-09 | 2020-08-18 | 南方电网科学研究院有限责任公司 | High-power direct current charging system |
| CN112224081A (en) * | 2020-10-15 | 2021-01-15 | 阳光电源股份有限公司 | Multi-gun charging pile and charging pile circuit |
| US11938832B2 (en) | 2020-10-15 | 2024-03-26 | Sungrow Power Supply Co., Ltd. | Charging station with multiple charging plug and circuit for charging station |
| CN112217264A (en) * | 2020-10-21 | 2021-01-12 | 阳光电源股份有限公司 | Charging pile and charging unit thereof |
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Application publication date: 20171208 |
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