CN207120654U - A kind of electric car with bidirectional power supply function - Google Patents
A kind of electric car with bidirectional power supply function Download PDFInfo
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- CN207120654U CN207120654U CN201720745153.8U CN201720745153U CN207120654U CN 207120654 U CN207120654 U CN 207120654U CN 201720745153 U CN201720745153 U CN 201720745153U CN 207120654 U CN207120654 U CN 207120654U
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model belongs to electric bus technical field, provide a kind of electric car with bidirectional power supply function, include body frame, the rear end of body frame is provided with fuel cell system, power capacitance group module and electric machine controller, methanol air detector is bonded with methanol tank, fuel pump cassette is provided with liquid fuel leak detection device and level sensing detector.The utility model has the advantage of methanol liquid level altitudes, fluid leakage situation and gas leakage situation can be detected in real time using methanol air detector liquid fuel leak detection device and level sensing detector, real-time implementation alarm, ensure security；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 be travelled with continual, continual mileage greatly increases.
Description
Technical field
The utility model belongs to electric bus technical field, is related to a kind of electric car with bidirectional power supply function.
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 electric car with bidirectional power supply function of power electric capacity electric energy supplement, has the electric car of bidirectional power supply function by this
Allow to it is continual travelled, continual mileage greatly increases, to meet the demand of lasting mileage number, cycle life
Long, safe, functional reliability is high.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of electricity with bidirectional power supply function
Car, include body frame, it is characterised in that the rear end of described body frame is provided with fuel cell system, power electric capacity
Group module and electric machine controller, described fuel cell system are arranged in the roof of body frame, described power electric
Appearance group module is provided in the centre position of body frame, and electric machine controller is arranged on the bottom of body frame, described fuel
Battery system, power capacitance group module and electric machine controller three are electrically connected to form bidirectional power supply circuit, described fuel electricity
Cell system is made up of methanol tank and formaldehyde hydrogen-producing fuel, and fuel pump cassette, described fuel pump cassette are provided with described methanol tank
It is upper that there is oil return pipe and flowline, methanol air detector is bonded with described methanol tank, is set in described fuel pump cassette
It is equipped with liquid fuel leak detection device and level sensing detector.
The measure taken for optimization such scheme specifically includes：
In a kind of above-mentioned electric car with bidirectional power supply function, the rear end of described body frame is additionally provided with rear storehouse
Tail end shrouding, capacitor box ventilating fan is provided with described rear storehouse tail end shrouding, is provided with the lower end of described methanol tank
Methanol ventilating fan.
In a kind of above-mentioned electric car with bidirectional power supply function, described bidirectional power supply circuit is electrically connected with traction electric machine
Connect, wherein described power capacitance group module provides power after electric machine controller for traction electric machine, fuel cell system is with moving
It is power capacitance group module electric energy supplement that power capacitance group module, which is electrically connected and is used for, and the bidirectional power supply circuit also includes control power supply
Module and the emergent impulse electricity module of electric capacity, described control power module electrically connect with fuel cell module and are used to be used as fuel
The main control power supply of battery system operation, the emergent impulse electricity module of electric capacity are connected electrically in power capacitance group module and for right
When high-tension apparatus repairs emergent charging is carried out to power capacitance group module discharge and to power capacitance group module.Here fuel is used
Battery system carries out electric energy supplement to power capacitance group module so that electric bus can be travelled with continual, be continued
Mileage is sailed to greatly increase,
Maintenance can be ensure that in the management of emergent progress discharge and recharge by being additionally arranged the emergent impulse electricity module of electric capacity again simultaneously
When security.
In a kind of above-mentioned electric car with bidirectional power supply function, safety is electrically connected with described control power module
Chain, the theft-resistant link chain described in during the leakage of methanol tank will to control power module power-off.
In a kind of above-mentioned electric car with bidirectional power supply function, described control power module includes 48V batteries
With DC/DC power modules, control as fuel cell system after described 48V batteries and DC/DC power modules are connected in parallel
Power supply processed, described 48V batteries electrically connect with fuel cell system, and DC/DC power modules are electrically connected with power capacitance group module
Connect.Here 48V batteries can control the operation of whole fuel cell system, and DC/DC power modules can cause 48V electric power storages again
Pond carries out two-way charging with power capacitance group module, so as to ensure the electric energy in whole 48V batteries, so as to reach control combustion
Expect the reliability of battery system.
In a kind of above-mentioned electric car with bidirectional power supply function, described fuel cell system and power capacitance group mould
Be electrically connected with three main contactors between block, the respectively positive contactor 7KM3 of fuel main contactor 6KM1, capacitor charge and discharge and
Capacitor charge and discharge bears contactor 7KM4, described fuel main contactor 6KM1 and is connected electrically in the output end of fuel cell system positive pole
For turning on/off fuel cell system, the cathode output end electrical connection capacitor charge and discharge of fuel cell system bears contactor
Negative pole after 7KM4 with power capacitance group module electrically connects, and described fuel cell system is through fuel main contactor 6KM1, electric capacity
The positive contactor 7KM3 of discharge and recharge and capacitor charge and discharge return after bearing contactor 7KM4 with power capacitance group module composition electric energy supplement
Road, described power capacitance group module bear contactor 7KM4 and electricity through the positive contactor 7KM3 of capacitor charge and discharge and capacitor charge and discharge
Machine controller, which is formed, provides power loop.
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 electric car with bidirectional power supply function, main contactor also includes one and is used for power electric
Appearance group module is entering pre-charge contactor 7KM2, described pre-charge contactor 7KM2 and the capacitor charge and discharge of line precharge control just
Output end after contactor 7KM3 is connected in parallel is connected electrically on the positive pole of power capacitance group module, described pre-charge contactor
The positive contactor 7KM3 of capacitor charge and discharge described in when 7KM2 is closed disconnects, and described fuel cell system is through fuel main contactor
6KM1, pre-charge contactor 7KM2 and capacitor charge and discharge are pre-charged back after bearing contactor 7KM4 with power capacitance group module composition
Road.
In a kind of above-mentioned electric car with bidirectional power supply function, described 48V batteries are after DC/DC power modules
The positive contactor 7KM3 of contactor 7KM4, capacitor charge and discharge and the two-way charging of power capacitance group module composition are born by capacitor charge and discharge
Loop, described 48V batteries can be charged through DC/DC power modules to power capacitance group module, described power electric
Appearance group module can give 48V batteries to charge.
In a kind of above-mentioned electric car with bidirectional power supply function, described fuel cell system and power capacitance group mould
The first current transformer 7TA1 and the second current transformer 6TA2, the second described current transformer are additionally provided between block
6TA2 is connected electrically on fuel main contactor 6KM1 and for being measured to the output current of fuel cell system, and described the
One current transformer 7TA1 is connected electrically on the positive pole of power capacitance group module and for power capacitance group module discharge and recharge electricity
Stream measures.
In a kind of above-mentioned electric car with bidirectional power supply function, the positive pole of described power capacitance group module is through one
Electrically connected after electric capacity fuse 7FU3 with the first current transformer 7TA1, being electrically connected with one on electric capacity fuse 7FU3 is used for
The capacitive insulation detector 7U1 of the Insulation monitoring of power condenser network, described capacitive insulation detector 7U1 is through capacitor charge and discharge
Negative contactor 7KM4 electrically connects with the negative pole of power capacitance group module.
In a kind of above-mentioned electric car with bidirectional power supply function, the emergent impulse electricity module of described electric capacity includes should
The positive contactor 7KM1 of boost charge mouth, emergent charging and emergent charging bear contactor 7KM5, and emergent charging bears contactor 7KM5 electricity
The negative pole of power capacitance group module is connected to, the positive contactor 7KM1 of described emergent charging is electrically connected after electric capacity fuse 7FU3
In the positive pole of power capacitance group module, the positive contactor 7KM1 of described emergent charging mouth, emergent charging, emergent charging bear contactor
7KM5 and the emergent charging and discharging circuit of power capacitance group module composition.
In a kind of above-mentioned electric car with bidirectional power supply function, described power capacitance group module is by amounting to 544
Monomer electric capacity is formed by connecting by string and mode, and 2 monomer electric capacity are simultaneously unified into an energy-storage module, and 8 energy-storage modules are connected into
One energy storage module, 34 energy storage modules are connected into whole power capacitance group module.
In a kind of above-mentioned electric car with bidirectional power supply function, described fuel cell system is by 5 battery fuels
Casing module forms, and described battery fuel casing module is provided with closure switch whether to determine battery fuel casing module
Input is used.
In a kind of above-mentioned electric car with bidirectional power supply function, it is electrically connected in described 5 battery fuel casing modules
It is connected to rectification tube module 6V1.
Compared with prior art, the utility model has the advantage of：
1st, can be detected in real time using methanol air detector liquid fuel leak detection device and level sensing detector
Methanol liquid level altitudes, fluid leakage situation and gas leakage situation, real-time implementation alarm, ensure security；
2nd, 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
Being travelled with continual, continual mileage greatly increases,
3 while meet an urgent need impulse electricity module of electric capacity is additionally arranged again can ensure that dimension in the management of emergent progress discharge and recharge
Security when repairing；
4th, 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 overall structure diagram of this electric car with bidirectional power supply function；
Fig. 2 is Fig. 1 other direction structural representation；
Fig. 3 is the structural representation of methanol tank installation；
Fig. 4 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 module
5；The emergent impulse electricity module 6 of electric capacity；Battery fuel casing module 7；48V batteries 8；DC/DC power modules 9；Emergent charging mouth
10；Body frame 11；Methanol tank 12；Fuel pump cassette 13；Oil return pipe 14；Flowline 15；Methanol air detector 16；Level sensing
Detector 17；Liquid fuel leak detection device 18；Storehouse tail end shrouding 19 afterwards；Capacitor box ventilating fan 20；Methanol ventilating fan 21；Safety
Chain 22.
As shown in Figure 1, Figure 2 and shown in Fig. 3, this has the electric car of bidirectional power supply function, includes body frame 11, vehicle body bone
The rear end of frame 11 is provided with fuel cell system 4, power capacitance group module 3 and electric machine controller 1, fuel cell system 4 and pacified
In the roof of body frame 11, power capacitance group module 3 is provided in the centre position of body frame 11, motor control
Device 1 is arranged on the bottom of body frame 11, and fuel cell system 4 is made up of methanol tank 12 and formaldehyde hydrogen-producing fuel, methanol tank 12
Fuel pump cassette 13 is inside provided with, there is oil return pipe 14 and flowline 15 in fuel pump cassette 13, can so carry out formaldehyde hydrogen manufacturing
The supply of fuel, methanol air detector 16 is bonded with methanol tank 12, methanol air detector 16 sets 4 altogether here, uses
In detection formaldehyde leakage situation, fuel pump cassette 13 is provided with liquid fuel leak detection device 18 and level sensing detector
17, level sensing detector 17 sets 1 and for detecting formaldehyde case liquid level, can so watch formaldehyde hydrogen-producing fuel
Service condition, supplement fuel is conveniently carried out, liquid fuel leak detection device 18 is also provided with 1, for detecting formaldehyde hydrogen-producing fuel
Liquid leakage situation, only it could carry out entering power capacitance group module 3 in the case of the alarm free of fuel cell system 4 here
Row electric energy supplements, and the rear end of body frame 11 is additionally provided with rear storehouse tail end shrouding 19, electricity is provided with rear storehouse tail end shrouding 19
Hold cabinet ventilating fan 20, heat extraction can be carried out to power capacitance group module 3 by capacitor box ventilating fan 20 here, in methanol tank 12
Lower end is provided with methanol ventilating fan 21, here when detecting formaldehyde leakage or sensor fault, can pass through methanol air draft
The formaldehyde discharge fuel tank that fan 21 will likely can leak, ensures safety.
As shown in figure 4, fuel cell system 4, power capacitance group module 3 and the three of electric machine controller 1 are electrically connected to form
Bidirectional power supply circuit, bidirectional power supply circuit electrically connect with traction electric machine 2, and wherein power capacitance group module 3 is after electric machine controller
Power is provided for traction electric machine, fuel cell system electrically connects with power capacitance group module 3 and for being power capacitance group module 3
Electric energy supplement, the bidirectional power supply circuit also include control power module 5 and the emergent impulse electricity module 6 of electric capacity, control power module 5
The main control power supply for electrically connecting with fuel cell module 4 and being run for being used as fuel cell system 4；The emergent impulse electricity mould of electric capacity
Block 6 is connected electrically in power capacitance group module 3 and for being discharged when being repaired to high-tension apparatus power capacitance group module 3 and right
Power capacitance group module 3 carries out emergent charging, and the maximum innovation of the utility model here is to power using fuel cell system 4
Capacitance group module 3 carries out electric energy supplement so that electric bus can be travelled with continual, and continual mileage greatly increases
Add, at the same be additionally arranged again electric capacity meet an urgent need impulse electricity module 6 can be in the management of emergent progress discharge and recharge, when ensure that maintenance
Security.
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 fill
When the negative contactor 7KM4 of positive contactor 7KM3 and capacitor charge and discharge that discharges is closed, such can of fuel cell system 4 is to dynamic
Power capacitance group module 3 carries out electric energy supplement, then when the positive contactor 7KM3 of capacitor charge and discharge and capacitor charge and discharge bear contactor
Electric machine controller 1 can be given to provide electrical energy drive whole electric bus operation after 7KM4 closures again, that is to say, that while mending
While charging energy, while giving driving operation, so that whole power capacitance group module 3 can persistently keep electricity, master connects
Tentaculum also includes a pre-charge contactor 7KM2 for being used to enter power capacitance group module 3 line precharge control, precharge
Output end after the contactor 7KM2 and positive contactor 7KM3 of capacitor charge and discharge is connected in parallel is connected electrically in power capacitance group module 3
On positive pole, the positive contactor 7KM3 of capacitor charge and discharge disconnects when pre-charge contactor 7KM2 is closed, and fuel cell system 4 is through fuel master
Contactor 6KM1, pre-charge contactor 7KM2 and capacitor charge and discharge are formed after bearing contactor 7KM4 with power capacitance group module 3
Preliminary filling electrical circuit.Here the detection of pre-charge state can be carried out by pre-charge contactor 7KM2, ensures subsequent fuel cell
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.
Theft-resistant link chain is electrically connected with control power module 5, and theft-resistant link chain 22 will cause control electricity during the leakage of methanol tank 12
Source module 5 powers off, and control power module 5 includes 48V batteries 8 and DC/DC power modules 9,48V batteries 8 and DC/DC power supplys
Control power supply as fuel cell system 4 after module 9 is connected in parallel, 48V batteries 8 electrically connect with fuel cell system 4,
DC/DC power modules 9 electrically connect with power capacitance group module 3.Here 48V batteries 8 can control whole fuel cell system 4
Operation, DC/DC power modules 9 can make it that 48V batteries 8 and power capacitance group module 3 carry out two-way charging again, so as to
Ensure the electric energy in whole 48V batteries 8, 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, this
In by capacitive insulation detector 7U1 here can with electrical measurement capacitance group positive pole I levels earth fault, capacitance group positive pole II levels be grounded therefore
Barrier, capacitance group negative pole I levels earth fault, capacitance group negative pole II level earth faults, I level earth faults<The ground connection event of 500k Ω, II level
Barrier<80k Ω, the emergent impulse electricity module 6 of electric capacity, which includes the positive contactor 7KM1 of emergent charging mouth 10, emergent charging and met an urgent need, fills
The negative contactor 7KM5 of electricity, emergent charging bear the negative pole that contactor 7KM5 is connected electrically in power capacitance group module 3, and emergent charging just connects
Tentaculum 7KM1 is connected electrically in the positive pole of power capacitance group module 3, emergent charging mouth 10, emergent charging after electric capacity fuse 7FU3
Positive contactor 7KM1, emergent charging bear contactor 7KM5 and power capacitance group module 3 forms emergent charging and discharging circuit, exist 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 electric car with bidirectional power supply function, includes body frame, it is characterised in that after described body frame
End is provided with fuel cell system, power capacitance group module and electric machine controller, and described fuel cell system is arranged on car
In the roof of body skeleton, described power capacitance group module is provided in the centre position of body frame, and electric machine controller is set
Put in the bottom of body frame, described fuel cell system, power capacitance group module and electric machine controller three electrical connection
Bidirectional power supply circuit is formed, described fuel cell system is made up of methanol tank and formaldehyde hydrogen-producing fuel, in described methanol tank
Fuel pump cassette is provided with, there is oil return pipe and flowline in described fuel pump cassette, methanol is bonded with described methanol tank
Air detectors, described fuel pump cassette is provided with liquid fuel leak detection device and level sensing detector.
A kind of 2. electric car with bidirectional power supply function according to claim 1, it is characterised in that described body frame
Rear end be additionally provided with rear storehouse tail end shrouding, capacitor box ventilating fan is provided with described rear storehouse tail end shrouding, described
The lower end of methanol tank is provided with methanol ventilating fan.
A kind of 3. electric car with bidirectional power supply function according to claim 2, it is characterised in that described bidirectional power supply
Circuit electrically connects with traction electric machine, is moved wherein described power capacitance group module provides after electric machine controller for traction electric machine
Power, it is power capacitance group module electric energy supplement that fuel cell system, which is electrically connected and is used for power capacitance group module, the two-way confession
Circuit also includes control power module and the emergent impulse electricity module of electric capacity, described control power module and fuel cell module
Electrically connect and be used for the main control power supply as operation of fuel cell system, the emergent impulse electricity module of electric capacity is connected electrically in power electric
In appearance group module and for being carried out when being repaired to high-tension apparatus to power capacitance group module discharge and to power capacitance group module
Emergent charging.
A kind of 4. electric car with bidirectional power supply function according to claim 3, it is characterised in that described control power supply
It is electrically connected with theft-resistant link chain in module, the theft-resistant link chain described in during the leakage of methanol tank will to control power module power-off.
A kind of 5. electric car with bidirectional power supply function according to claim 4, it is characterised in that described control power supply
Module includes 48V batteries and DC/DC power modules, conduct after described 48V batteries are connected in parallel with DC/DC power modules
The control power supply of fuel cell system, described 48V batteries electrically connect with fuel cell system, and DC/DC power modules are with moving
Power capacitance group module electrically connects, and 48V batteries can control the operation of whole fuel cell system, DC/DC power modules here
48V batteries can be caused to carry out two-way charging with power capacitance group module again, so as to ensure the electricity in whole 48V batteries
Can, so as to reach the reliability of control fuel cell system.
A kind of 6. electric car with bidirectional power supply function according to claim 5, it is characterised in that described fuel cell
Three main contactors, respectively fuel main contactor 6KM1, electric capacity charge and discharge are electrically connected between system and power capacitance group module
Electric positive contactor 7KM3 and capacitor charge and discharge bear contactor 7KM4, described fuel main contactor 6KM1 and are connected electrically in fuel electricity
The output end of cell system positive pole is used to turn on/off fuel cell system, the cathode output end electrical connection electricity of fuel cell system
Hold after contactor 7KM4 is born in discharge and recharge and electrically connected with the negative pole of power capacitance group module, described fuel cell system is through fuel master
The positive contactor 7KM3 of contactor 6KM1, capacitor charge and discharge and capacitor charge and discharge bear after contactor 7KM4 with power capacitance group module
Electric energy supplement loop is formed, described power capacitance group module is born through the positive contactor 7KM3 of capacitor charge and discharge and capacitor charge and discharge
Contactor 7KM4 is formed with electric machine controller and is provided power loop.
7. a kind of electric car with bidirectional power supply function according to claim 6, it is characterised in that main contactor also includes
There are a pre-charge contactor 7KM2 for being used to enter power capacitance group module line precharge control, described pre-charge contactor
Output end after the 7KM2 and positive contactor 7KM3 of capacitor charge and discharge is connected in parallel is connected electrically on the positive pole of power capacitance group module,
The positive contactor 7KM3 of capacitor charge and discharge described in when described pre-charge contactor 7KM2 is closed disconnects, described fuel cell system
System after fuel main contactor 6KM1, pre-charge contactor 7KM2 and capacitor charge and discharge bear contactor 7KM4 with power capacitance group
Module composition preliminary filling electrical circuit.
A kind of 8. electric car with bidirectional power supply function according to claim 7, it is characterised in that described 48V electric power storages
The positive contactor 7KM3 of contactor 7KM4, capacitor charge and discharge and power electric are born by capacitor charge and discharge after DC/DC power modules in pond
The two-way charge circuit of appearance group module composition, described 48V batteries can enter through DC/DC power modules to power capacitance group module
Row charging, described power capacitance group module can give 48V batteries to charge.
A kind of 9. electric car with bidirectional power supply function according to claim 8, it is characterised in that described fuel cell
The first current transformer 7TA1 and the second current transformer 6TA2 is additionally provided between system and power capacitance group module, it is described
The second current transformer 6TA2 be connected electrically on fuel main contactor 6KM1 and for the output current to fuel cell system
Measure, the first described current transformer 7TA1 is connected electrically on the positive pole of power capacitance group module and for power electric
Appearance group module charging and discharging currents measure.
A kind of 10. electric car with bidirectional power supply function according to claim 9, it is characterised in that described power electric
The positive pole of appearance group module electrically connects after an electric capacity fuse 7FU3 with the first current transformer 7TA1, in electric capacity fuse
The capacitive insulation detector 7U1 of an Insulation monitoring for being used for power condenser network is electrically connected with 7FU3, described electric capacity is exhausted
Edge detector 7U1 bears contactor 7KM4 through capacitor charge and discharge and electrically connected with the negative pole of power capacitance group module, and described electric capacity should
Ballistic kick discharge module includes the positive contactor 7KM1 of emergent charging mouth, emergent charging and emergent charging bears contactor 7KM5, should
Boost charge bears the negative pole that contactor 7KM5 is connected electrically in power capacitance group module, and the positive contactor 7KM1 of described emergent charging is through electricity
The positive pole of power capacitance group module, described emergent charging mouth, the positive contactor of emergent charging are connected electrically in after appearance fuse 7FU3
7KM1, emergent charging bear contactor 7KM5 and the emergent charging and discharging circuit of power capacitance group module composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745153.8U CN207120654U (en) | 2017-06-26 | 2017-06-26 | A kind of electric car with bidirectional power supply function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN107444147A (en) * | 2017-06-26 | 2017-12-08 | 浙江中车电车有限公司 | A kind of electric car with bidirectional power supply function |
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