CN207190811U - A kind of bidirectional power supply circuit - Google Patents
A kind of bidirectional power supply circuit Download PDFInfo
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- CN207190811U CN207190811U CN201720744782.9U CN201720744782U CN207190811U CN 207190811 U CN207190811 U CN 207190811U CN 201720744782 U CN201720744782 U CN 201720744782U CN 207190811 U CN207190811 U CN 207190811U
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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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to electric bus technical field, provide a kind of bidirectional power supply circuit, electrically connected with electric machine controller, traction electric machine, including power capacitance group module, fuel cell system, control power module and the emergent charge-discharge modules of electric capacity are electrically connected with electric machine controller.The utility model has the advantage of：Electric energy supplement is carried out to power capacitance group module using fuel cell system, while while electric energy supplement, while give driving operation, so that whole power capacitance group module can continue to keep electricity, so that electric bus can be travelled with continual, continual mileage greatly increases, while is additionally arranged electric capacity charge-discharge modules of meeting an urgent need again and can ensure that security during maintenance in the management of emergent progress discharge and recharge；When 48V accumulator electric-quantities are reduced, it can be charged again by power capacitance group module back to 48V batteries, so as to reach the reliability of control fuel cell system.
Description
Technical field
The utility model belongs to electric bus technical field, is related to a kind of bidirectional power supply circuit.
Background technology
The problem of energy and environment are paid close attention to the most as Present Global, the energy is economic basis, and environment is to restrict
An important factor for economy and social development.Energy-conservation and the objective demand of environmental protection promote bus to develop towards motorized direction, therewith
Also the construction of the infrastructure such as the electric charging station for serving extensive electric bus has been promoted.At this stage, the country of China, which is filled, changes
The service object in power station is based on the group of subscribers such as bus, taxi, officer's car.The problem of electric bus is present at present：
1st, electrokinetic cell endurance deficiency, the scheme solved at present have two, and one kind is a large amount of by being loaded on electric bus
Stored energy power battery realize, although this pattern can improve endurance, but still can not meet people's demand, and battery
It is expensive, and complete vehicle weight is greatly increased, another way is to use to change battery mode, due to the knot of electric bus
Structure difference is big, and battery module is difficult standardization, can not be popularized on a large scale, simultaneously because battery weight weight is, it is necessary to special
Battery replacement device, and frequently change electricity and the hidden of substantial amounts of safety and reliability brought to the electric and plant equipment interface of battery pack
Suffer from；2nd, issue for battery life, the charge mode of the high-power quick charge of progress direct to vehicle mounted dynamic battery used at present is not
The charging system of hundred kilowatts easily is only needed, and strong influence can be caused to the life-span of battery.In order to increase course continuation mileage,
Battery put deeply and deep fill can all impact to battery life；3rd, price problem, at present because electric bus wants
Ideal course continuation mileage is realized, then needs to load the electrokinetic cell of larger capacity, because electrokinetic cell price is somewhat expensive, so as to
Cause the cost of vehicle substantially higher；4th, charge infrastructure device deficiency problem, quick charge corresponding to current electric bus
Mode is, it is necessary to build substantial amounts of charging station, even with trickle charge pattern, because battery capacity is bigger, and the public affairs that are typically designed
Car charging pile is handed over also to have 60kw or so, the charging interval is grown, the problem of construction due to related infrastructure, current Electric Transit
Car can not also realize remote traveling, if what if many people worry our dead battery, even if finding a place
Charging, may will also wait could be full of battery within several hours.
The content of the invention
Technical problem to be solved in the utility model is the present situation for prior art, and is provided a kind of electric using fuel
Cell system is the bidirectional power supply circuit of power electric capacity electric energy supplement, by the bidirectional power supply circuit electric bus can be with
Continual to be travelled, continual mileage greatly increases, to meet the demand of lasting mileage number, have extended cycle life, security
Height, functional reliability are high.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of bidirectional power supply circuit, with motor
Controller electrically connects, and is electrically connected with traction electric machine in electric machine controller, it is characterised in that including with lower module；
Power capacitance group module, described power capacitance group module provide power after electric machine controller for traction electric machine；
Fuel cell system, it is power electric capacity that described fuel cell system, which is electrically connected and is used for power capacitance group module,
Group module electric energy supplement；
Power module is controlled, described control power module electrically connects with fuel cell module and is used to be used as fuel cell
The main control power supply of system operation；
Electric capacity is met an urgent need charge-discharge modules, and described electric capacity charge-discharge modules of meeting an urgent need are connected electrically in power capacitance group module simultaneously
For carrying out emergent charging when being repaired to high-tension apparatus to power capacitance group module discharge and to power capacitance group module.
Here the maximum innovation of the utility model is to carry out supplement electricity to power capacitance group module using fuel cell system
Can so that electric bus can be travelled with continual, and continual mileage greatly increases.
Maintenance can be ensure that in the management of emergent progress discharge and recharge by being additionally arranged the emergent charge-discharge modules of electric capacity again simultaneously
When security.
The measure taken for optimization such scheme specifically includes：
In a kind of above-mentioned bidirectional power supply circuit, described control power module includes 48V batteries and DC/DC power supplys
Module, control power supply as fuel cell system after described 48V batteries and DC/DC power modules are connected in parallel are described
48V batteries electrically connected with fuel cell system, DC/DC power modules electrically connect with power capacitance group module.Here 48V
Battery can control the operation of whole fuel cell system, and DC/DC power modules can cause 48V batteries and power electric again
Appearance group module carries out two-way charging, so as to ensure the electric energy in whole 48V batteries, so as to reach control fuel cell system
Reliability.
In a kind of above-mentioned bidirectional power supply circuit, it is electrically connected between described fuel cell system and power capacitance group module
It is connected to three main contactors, the respectively positive contactor 7KM3 of fuel main contactor 6KM1, capacitor charge and discharge and capacitor charge and discharge
Negative contactor 7KM4, described fuel main contactor 6KM1 be connected electrically in fuel cell system positive pole output end be used to connecting/
Disconnect fuel cell system, the cathode output end electrical connection capacitor charge and discharge of fuel cell system bear after contactor 7KM4 with power
The negative pole electrical connection of capacitance group module, described fuel cell system are just contacting through fuel main contactor 6KM1, capacitor charge and discharge
Device 7KM3 and capacitor charge and discharge bear after contactor 7KM4 with power capacitance group module composition electric energy supplement loop, described power
Capacitance group module is born contactor 7KM4 through the positive contactor 7KM3 of capacitor charge and discharge and capacitor charge and discharge and formed with electric machine controller
Power loop is provided.
Here when fuel main contactor 6KM1, the positive contactor 7KM3 of capacitor charge and discharge and capacitor charge and discharge bear contactor
When 7KM4 is closed, such fuel cell system can carries out electric energy supplement to power capacitance group module, then when electric capacity charge and discharge
Electric positive contactor 7KM3 and capacitor charge and discharge can provide electrical energy drive to electric machine controller again after bearing contactor 7KM4 closures
Whole electric bus operation, that is to say, that while while electric energy supplement, while driving operation is given, so that whole dynamic
Power capacitance group module can continue to keep electricity.
In a kind of above-mentioned bidirectional power supply circuit, main contactor also includes one and is used to enter power capacitance group module
The pre-charge contactor 7KM2, described pre-charge contactor 7KM2 and the positive contactor of capacitor charge and discharge of line precharge control
Output end after 7KM3 is connected in parallel is connected electrically on the positive pole of power capacitance group module, and described pre-charge contactor 7KM2 is closed
The positive contactor 7KM3 of capacitor charge and discharge described in during conjunction disconnects, and described fuel cell system is through fuel main contactor 6KM1, pre-
Charging contactor 7KM2 and capacitor charge and discharge bear after contactor 7KM4 with power capacitance group module composition preliminary filling electrical circuit.
In a kind of above-mentioned bidirectional power supply circuit, described 48V batteries are filled after DC/DC power modules by electric capacity
Electric discharge negative contactor 7KM4, the positive contactor 7KM3 of capacitor charge and discharge and the two-way charge circuit of power capacitance group module composition, it is described
48V batteries can be charged through DC/DC power modules to power capacitance group module, described power capacitance group module energy
It is enough to be charged to 48V batteries.
In a kind of above-mentioned bidirectional power supply circuit, also set between described fuel cell system and power capacitance group module
It is equipped with the first current transformer 7TA1 and the second current transformer 6TA2, the second described current transformer 6TA2 is connected electrically in
On fuel main contactor 6KM1 and for being measured to the output current of fuel cell system, the first described current transformer
7TA1 is connected electrically on the positive pole of power capacitance group module and for being measured to power capacitance group module charging and discharging currents.
In a kind of above-mentioned bidirectional power supply circuit, the positive pole of described power capacitance group module is through an electric capacity fuse
Electrically connected after 7FU3 with the first current transformer 7TA1, one is electrically connected with electric capacity fuse 7FU3 and is used for power electric capacity electricity
Capacitive insulation the detector 7U1, described capacitive insulation detector 7U1 of the Insulation monitoring on road bear contactor through capacitor charge and discharge
7KM4 electrically connects with the negative pole of power capacitance group module.
In a kind of above-mentioned bidirectional power supply circuit, described electric capacity meet an urgent need charge-discharge modules include emergent charging mouth,
The positive contactor 7KM1 of emergent charging and emergent charging bear contactor 7KM5, and emergent charging bears contactor 7KM5 and is connected electrically in power
The negative pole of capacitance group module, the positive contactor 7KM1 of described emergent charging are connected electrically in power electric after electric capacity fuse 7FU3
The positive pole of appearance group module, the positive contactor 7KM1 of described emergent charging mouth, emergent charging, emergent charging bear contactor 7KM5 and
Power capacitance group module composition is met an urgent need charging and discharging circuit.
In a kind of above-mentioned bidirectional power supply circuit, described power capacitance group module is led to by amounting to 544 monomer electric capacity
Cross string and mode is formed by connecting, 2 monomer electric capacity are simultaneously unified into an energy-storage module, and 8 energy-storage modules are connected into an energy storage mould
Group, 34 energy storage modules are connected into whole power capacitance group module.
In a kind of above-mentioned bidirectional power supply circuit, described fuel cell system is by 5 battery fuel casing module groups
Into being provided with closure switch in described battery fuel casing module to determine whether battery fuel casing module puts into utilization.
In a kind of above-mentioned bidirectional power supply circuit, rectifying tube is electrically connected with described 5 battery fuel casing modules
Module 6V1.
Compared with prior art, the utility model has the advantage of：
1st, electric energy supplement is carried out to power capacitance group module using fuel cell system, while while electric energy supplement,
While driving operation is given, so that whole power capacitance group module can continue to keep electricity so that electric bus can
Travelled with continual, continual mileage greatly increases；
2 while electric capacity charge-discharge modules of meeting an urgent need are additionally arranged again can ensure that dimension in the management of emergent progress discharge and recharge
Security when repairing；
3rd, 48V batteries can be directly allowed to be charged to power capacitance group module by DC/DC power modules, when
When 48V accumulator electric-quantities are reduced, it can be charged again by power capacitance group module back to 48V batteries, so as to reach
Control the reliability of fuel cell system.
Brief description of the drawings
Fig. 1 is the circuit theory schematic diagram of this bidirectional power supply circuit.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
In figure, electric machine controller 1；Traction electric machine 2；Power capacitance group module 3；Fuel cell system 4；Control power supply mould
Block 5；Electric capacity is met an urgent need charge-discharge modules 6；Battery fuel casing module 7；48V batteries 8；DC/DC power modules 9；Emergent charging
Mouth 10.
As shown in figure 1, this bidirectional power supply circuit, is electrically connected with electric machine controller 1, it is electrically connected with and leads in electric machine controller 1
Draw motor 2, including power capacitance group module 3, fuel cell system 4, control power module 5 and the emergent charge-discharge modules of electric capacity
6, power capacitance group module 3 provides power after electric machine controller 1 for traction electric machine 2；Fuel cell system 4 and power electric capacity
Group module 3 electrically connects and for being the electric energy supplement of power capacitance group module 3；Control power module 5 is electrically connected with fuel cell module
Connect and be used to be used as the main control power supply that fuel cell system 4 is run；The emergent charge-discharge modules 6 of electric capacity are connected electrically in power electric
In appearance group module 3 and for discharging power capacitance group module 3 when being repaired to high-tension apparatus and power capacitance group module 3 being entered
Row emergent charging.Here the maximum innovation of the utility model is to be mended using fuel cell system 4 to power capacitance group module 3
Charging can so that electric bus can be travelled with continual, and continual mileage greatly increases.
Dimension can be ensure that in the management of emergent progress discharge and recharge by being additionally arranged the emergent charge-discharge modules 6 of electric capacity again simultaneously
Security when repairing.
Power capacitance group module 3 is formed by connecting by amounting to 544 monomer electric capacity by string and mode, and 2 monomer electric capacity are simultaneously
An energy-storage module is unified into, 8 energy-storage modules are connected into an energy storage module, and 34 energy storage modules are connected into whole power electric capacity
Group module 3, the operating voltage 450V-675V of power capacitance group module 3, fuel cell system 4 is by 5 battery fuel casing modules 7
Composition, fuel cell system 4 operating voltage 450V-675V, power 25KW, closure is provided with battery fuel casing module 7
Switch to determine whether battery fuel casing module 7 puts into utilization, rectifying tube is electrically connected with 5 battery fuel casing modules 7
Module 6V1.Here the unidirectional direction that battery fuel casing module 7 can be realized by rectification tube module 6V1 is charged, and is prevented reversely
Battery fuel casing module 7 is damaged.
Three main contactors are electrically connected between fuel cell system 4 and power capacitance group module 3, respectively fuel master connects
The positive contactor 7KM3 of tentaculum 6KM1, capacitor charge and discharge and capacitor charge and discharge bear contactor 7KM4, fuel main contactor 6KM1 electricity
The output end for being connected to the positive pole of fuel cell system 4 is used to turn on/off fuel cell system 4, the negative pole of fuel cell system 4
Output end electrical connection capacitor charge and discharge electrically connects after bearing contactor 7KM4 with the negative pole of power capacitance group module 3, fuel cell system
System 4 is after fuel main contactor 6KM1, the positive contactor 7KM3 of capacitor charge and discharge and capacitor charge and discharge bear contactor 7KM4 with moving
Power capacitance group module 3 forms electric energy supplement loop, and power capacitance group module 3 is through the positive contactor 7KM3 of capacitor charge and discharge and electric capacity
Discharge and recharge bears contactor 7KM4 and forms offer power loop with electric machine controller 1, here when fuel main contactor 6KM1, electric capacity
When the positive contactor 7KM3 of discharge and recharge and capacitor charge and discharge bear contactor 7KM4 closures, such can of fuel cell system 4 is given
Power capacitance group module 3 carries out electric energy supplement, then when the positive contactor 7KM3 of capacitor charge and discharge and the negative contact of capacitor charge and discharge
Electric machine controller 1 can be given to provide electrical energy drive whole electric bus operation after device 7KM4 closures again, that is to say, that while
While electric energy supplement, while driving operation is given, so that whole power capacitance group module 3 can continue to keep electricity, it is main
Contactor also includes a pre-charge contactor 7KM2 for being used to enter power capacitance group module 3 line precharge control, preliminary filling
Output end after the electric contactor 7KM2 and positive contactor 7KM3 of capacitor charge and discharge is connected in parallel is connected electrically in power capacitance group module 3
Positive pole on, the positive contactor 7KM3 of capacitor charge and discharge disconnects when pre-charge contactor 7KM2 is closed, and fuel cell system 4 is through combustion
Expect main contactor 6KM1, pre-charge contactor 7KM2 and capacitor charge and discharge bear after contactor 7KM4 with power capacitance group module 3
Form preliminary filling electrical circuit.Here the detection of pre-charge state can be carried out by pre-charge contactor 7KM2, ensures subsequent combustion
Battery system 4 gives the reliability of the electric energy supplement of power capacitance group module 3.
The first current transformer 7TA1 and second is additionally provided between fuel cell system 4 and power capacitance group module 3
Current transformer 6TA2, the second current transformer 6TA2 are connected electrically on fuel main contactor 6KM1 and for fuel cell systems
The output current of system 4 measures, and the first current transformer 7TA1 is connected electrically on the positive pole of power capacitance group module 3 and is used for
The charging and discharging currents of power capacitance group module 3 are measured, can so watch in real time detection fuel cell system 4 electric current with
And the electric current of power capacitance group module 3.
Control power module 5 includes 48V batteries 8 and DC/DC power modules 9,48V batteries 8 and DC/DC power supply moulds
Control power supply as fuel cell system 4 after block 9 is connected in parallel, 48V batteries 8 electrically connect with fuel cell system 4, DC/
DC power module 9 electrically connects with power capacitance group module 3.Here 48V batteries 8 can control whole fuel cell system 4
Operation, DC/DC power modules 9 can cause 48V batteries 8 to carry out two-way charging with power capacitance group module 3 again, so as to protect
The electric energy in whole 48V batteries 8 is demonstrate,proved, so as to reach the reliability of control fuel cell system 4,48V batteries 8 pass through
The positive contactor 7KM3 of contactor 7KM4, capacitor charge and discharge and power capacitance group are born by capacitor charge and discharge after DC/DC power modules 9
Module 3 forms two-way charge circuit, and 48V batteries 8 can be filled through DC/DC power modules 9 to power capacitance group module 3
Electricity, power capacitance group module 3 can charge to 48V batteries 8, here when capacitor charge and discharge bears contactor 7KM4, electric capacity charge and discharge
After electric positive contactor 7KM3 closures, it can directly allow 48V batteries 8 can be to power capacitance group mould by DC/DC power modules 9
Block 3 is charged, again can be by power capacitance group module 3 back to 48V batteries 8 when the electricity of 48V batteries 8 is reduced
Charged.
The positive pole of power capacitance group module 3 is electrically connected after an electric capacity fuse 7FU3 with the first current transformer 7TA1
Connect, the capacitive insulation detector of an Insulation monitoring for being used for power condenser network is electrically connected with electric capacity fuse 7FU3
7U1, capacitive insulation detector 7U1 bear contactor 7KM4 through capacitor charge and discharge and electrically connected with the negative pole of power capacitance group module 3,
Here can be grounded here with electrical measurement capacitance group positive pole I levels earth fault, capacitance group positive pole II levels by capacitive insulation detector 7U1
Failure, capacitance group negative pole I levels earth fault, capacitance group negative pole II level earth faults, I level earth faults<500k Ω, II levels connect
Earth fault<80k Ω, the emergent charge-discharge modules 6 of electric capacity include the positive contactor 7KM1 of emergent charging mouth 10, emergent charging and should
Boost charge bears contactor 7KM5, and emergent charging bears the negative pole that contactor 7KM5 is connected electrically in power capacitance group module 3, emergent charging
Positive contactor 7KM1 is connected electrically in the positive pole of power capacitance group module 3 after electric capacity fuse 7FU3, emergent charging mouth 10, answers
The positive contactor 7KM1 of boost charge, emergent charging bear contactor 7KM5 and power capacitance group module 3 forms emergent charging and discharging circuit,
Here under the pattern of emergent discharge and recharge, vehicle is forbidden to draw, emergent charging maximum charging current is controlled in 200A.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from it is of the present utility model spirit defined in scope.
Claims (10)
1. a kind of bidirectional power supply circuit, is electrically connected with electric machine controller, traction electric machine is electrically connected with electric machine controller, its feature
It is, including with lower module；
Power capacitance group module, described power capacitance group module provide power after electric machine controller for traction electric machine；
Fuel cell system, it is power capacitance group mould that described fuel cell system, which is electrically connected and is used for power capacitance group module,
Block electric energy supplement；
Power module is controlled, described control power module electrically connects with fuel cell module and is used to be used as fuel cell system
The main control power supply of operation；
Electric capacity is met an urgent need charge-discharge modules, and described electric capacity charge-discharge modules of meeting an urgent need are connected electrically in power capacitance group module and are used for
When being repaired to high-tension apparatus emergent charging is carried out to power capacitance group module discharge and to power capacitance group module.
2. a kind of bidirectional power supply circuit according to claim 1, it is characterised in that described control power module includes
48V batteries and DC/DC power modules, described 48V batteries are used as fuel cell after being connected in parallel with DC/DC power modules
The control power supply of system, described 48V batteries electrically connect with fuel cell system, DC/DC power modules and power capacitance group
Module electrically connects.
A kind of 3. bidirectional power supply circuit according to claim 2, it is characterised in that described fuel cell system and power
Three main contactors, the respectively positive contactor of fuel main contactor 6KM1, capacitor charge and discharge are electrically connected between capacitance group module
7KM3 and capacitor charge and discharge bear contactor 7KM4, described fuel main contactor 6KM1 and are connected electrically in fuel cell system positive pole
Output end be used to turn on/off fuel cell system, the cathode output end electrical connection capacitor charge and discharge of fuel cell system is born
Negative pole after contactor 7KM4 with power capacitance group module electrically connects, and described fuel cell system is through fuel main contactor
The positive contactor 7KM3 of 6KM1, capacitor charge and discharge and capacitor charge and discharge are mended after bearing contactor 7KM4 with power capacitance group module composition
Charging energy loop, described power capacitance group module bear contactor through the positive contactor 7KM3 of capacitor charge and discharge and capacitor charge and discharge
7KM4 is formed with electric machine controller and is provided power loop.
4. a kind of bidirectional power supply circuit according to claim 3, it is characterised in that main contactor also includes one and is used for
Enter the pre-charge contactor 7KM2, described pre-charge contactor 7KM2 and electric capacity of line precharge control to power capacitance group module
Output end after the positive contactor 7KM3 of discharge and recharge is connected in parallel is connected electrically on the positive pole of power capacitance group module, described preliminary filling
The positive contactor 7KM3 of capacitor charge and discharge described in when electric contactor 7KM2 is closed disconnects, and described fuel cell system is through fuel master
Contactor 6KM1, pre-charge contactor 7KM2 and capacitor charge and discharge are born pre- with power capacitance group module composition after contactor 7KM4
Charge circuit.
5. a kind of bidirectional power supply circuit according to claim 4, it is characterised in that described 48V batteries are through DC/DC electricity
The positive contactor 7KM3 of contactor 7KM4, capacitor charge and discharge and power capacitance group module composition are born by capacitor charge and discharge after source module
Two-way charge circuit, described 48V batteries can be charged through DC/DC power modules to power capacitance group module, described
Power capacitance group module can give 48V batteries charge.
A kind of 6. bidirectional power supply circuit according to claim 5, it is characterised in that described fuel cell system and power
The first current transformer 7TA1 and the second current transformer 6TA2, the second described electric current are additionally provided between capacitance group module
Transformer 6TA2 is connected electrically on fuel main contactor 6KM1 and for being measured to the output current of fuel cell system, institute
The the first current transformer 7TA1 stated is connected electrically on the positive pole of power capacitance group module and for being filled to power capacitance group module
Discharge current measures.
7. a kind of bidirectional power supply circuit according to claim 6, it is characterised in that described power capacitance group module is just
Pole electrically connects after an electric capacity fuse 7FU3 with the first current transformer 7TA1, is electrically connected with electric capacity fuse 7FU3
The capacitive insulation detector 7U1 of one Insulation monitoring for being used for power condenser network, described capacitive insulation detector 7U1 is through electricity
Hold the negative contactor 7KM4 of discharge and recharge to electrically connect with the negative pole of power capacitance group module.
A kind of 8. bidirectional power supply circuit according to claim 7, it is characterised in that the emergent charge-discharge modules of described electric capacity
Include the positive contactor 7KM1 of emergent charging mouth, emergent charging and emergent charging bears contactor 7KM5, the negative contact of emergent charging
Device 7KM5 is connected electrically in the negative pole of power capacitance group module, and the positive contactor 7KM1 of described emergent charging is through electric capacity fuse 7FU3
The positive pole of power capacitance group module, the positive contactor 7KM1 of described emergent charging mouth, emergent charging, emergent charging are connected electrically in afterwards
The negative emergent charging and discharging circuit of contactor 7KM5 and power capacitance group module composition.
9. a kind of bidirectional power supply circuit according to claim 8, it is characterised in that described power capacitance group module is by altogether
544 monomer electric capacity of meter are formed by connecting by string and mode, and 2 monomer electric capacity are simultaneously unified into an energy-storage module, 8 energy-storage modules
An energy storage module is connected into, 34 energy storage modules are connected into whole power capacitance group module.
10. a kind of bidirectional power supply circuit according to claim 9, it is characterised in that described fuel cell system is by 5
Battery fuel casing module is formed, and closure switch are provided with to determine battery fuel casing in described battery fuel casing module
Whether module puts into utilization, and rectification tube module 6V1 is electrically connected with described 5 battery fuel casing modules.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744782.9U CN207190811U (en) | 2017-06-26 | 2017-06-26 | A kind of bidirectional power supply circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720744782.9U CN207190811U (en) | 2017-06-26 | 2017-06-26 | A kind of bidirectional power supply circuit |
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| CN207190811U true CN207190811U (en) | 2018-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444138A (en) * | 2017-06-26 | 2017-12-08 | 浙江中车电车有限公司 | A kind of bidirectional power supply circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444138A (en) * | 2017-06-26 | 2017-12-08 | 浙江中车电车有限公司 | A kind of bidirectional power supply circuit |
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