CN208664970U - A kind of high voltage supply system and electric vehicle - Google Patents
A kind of high voltage supply system and electric vehicle Download PDFInfo
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- CN208664970U CN208664970U CN201821245175.9U CN201821245175U CN208664970U CN 208664970 U CN208664970 U CN 208664970U CN 201821245175 U CN201821245175 U CN 201821245175U CN 208664970 U CN208664970 U CN 208664970U
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- 238000012423 maintenance Methods 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 description 12
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- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
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Classifications
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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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Abstract
The utility model discloses a kind of high voltage supply system and electric vehicles.The high voltage supply system includes battery, the first negative relay, the second negative relay, the positive relay of charging and the positive module of electric discharge driving；First input end of the first end of the first negative relay as the power supply system, the second end of the first negative relay connects the second end of the second negative relay and the cathode of battery, the anode of the battery connects the first end of the positive relay of charging and the first end of the positive module of electric discharge driving, the second end of second input terminal of the second end of the positive relay of charging as the power supply system, the positive module of electric discharge driving connects the second end of the described second negative relay.Thus the utility model solves the technical issues of high voltage supply system is easy to appear failure by the way that multiple cathode relays are arranged.
Description
Technical field
The utility model belongs to new-energy automobile field, more particularly, to a kind of high voltage supply system and electric vehicle.
Background technique
As shown in Figure 1, the high voltage supply system of new energy vehicle includes battery management system (Battery Management
System, BMS), entire car controller (Vehicle Control Unit, VCU), manual maintenance switchs (Manual Service
Disconnect, MSD), relay, preliminary filling resistance, the elements such as All-in-One controller (All In One Controller).Its
In, the input terminal of the first end connection oil pump controller DCAC1 of main negative relay K6, electric machine controller DCAC2 input terminal, on
The input terminal for filling the input terminal of DCAC3, the input terminal of air-conditioning A, the input terminal of heater PTC and transformer DCDC, makees simultaneously
For the input terminal of the charging system, the of the cathode of the second end connection battery of main negative relay K6 and adding thermal resistance R1
The first end of positive relay K1 is heated in one end, the second end connection of adding thermal resistance R1, heats the second end of positive relay K1 and fills
First end, the first end of manual maintenance switch MSD, the second end of preliminary filling relay K7, main positive relay of electric positive relay K4
The first end of K8, the output end of transformer DCDC, PTC relay K9 second end be connected with the second end of AIR COND RLY Air Conditioner Relay K10,
The cathode of the second end connection battery of manual maintenance switch MSD, the first end connection preliminary filling resistance R3's of preliminary filling relay K7
Second end, the first end connection output end of oil pump controller DCAC1 of preliminary filling resistance R3, electric machine controller DCAC2 output end,
The output end of upper dress DCAC3 and the second end of main positive relay K8, the of the output end connection PTC relay K9 of heater PTC
One end, the first end of the output end connection AIR COND RLY Air Conditioner Relay K10 of air-conditioning A, the first output end of entire car controller connect PTC relay
Control terminal, the control terminal of second output terminal AIR COND RLY Air Conditioner Relay K10 of device K9, the first output end connection of battery management system BMS
Heat the control terminal of positive relay K1, the control terminal of the positive relay K4 of second output terminal connection charging, third output end connection master
The control terminal of negative relay K6, the control terminal of the 4th control terminal connection preliminary filling relay K7, the main positive relay of the 5th output end connection
The control terminal of device K8.
Wherein, charge positive relay K4, main negative relay K6 belongs to charge circuit, when external direct current power supply is to the Charging
When system is charged, manual maintenance switch MSD closure, the main negative relay K6 of BMS control is connected to main negative relay K6, electric current
Running track are as follows: main negative relay K6-battery-manual maintenance switch MSD-positive relay K4 of charging；Main positive relay
K8, preliminary filling relay K7, main negative relay K6, PTC relay K9, AIR COND RLY Air Conditioner Relay K10 belong to electric discharge driving circuit, work as charging
When electric vehicle is run after the completion, manual maintenance switch MSD closure, the main positive relay K8 of BMS control, preliminary filling relay K7, master are negative
Relay K6 is opened, and entire car controller VCU controls PTC relay K9, AIR COND RLY Air Conditioner Relay K10 and opens, after electric power storage tank discharge simultaneously
Accommodating heater PTC, oil pump controller DCAC1, electric machine controller DCAC2, upper dress DCAC3 and transformer；Heat positive relay
K1 belongs to electric discharge heating circuit, and when carrying out electric discharge heating, positive relay K1, battery are heated in battery management system BMS control
Adding thermal resistance R1 power supply is heated.Battery is only placed in battery pack, and all relays are both placed in high-tension distribution box
In (Power Distributor Unit, PDU).
Since entire high voltage supply system only has a cathode relay, charge circuit and discharge loop is caused to share main negative
Relay K6 is used for a long time, and is easy to cause main negative relay K6 adhesion damage, and the failure rate of main negative relay K6 is higher；And it is electric
Pond heating branch only heats positive relay K1, no cathode relay, if heating positive relay K1 adhesion, it is necessary to disconnect main negative
Relay could stop heating, and can not travel so as to cause vehicle.Meanwhile all relays are both placed in high-tension distribution box PDU,
This causes high-tension distribution box PDU volume excessive, is not easy to structure arrangement；The relay of different controller controls does not have physically simultaneously
Have and be isolated, relay is caused to be difficult to check failure when something goes wrong, the difficulty for causing electric vehicle to repair.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of high voltage supply system and electricity
Motor-car, its object is to by the way that multiple cathode relays are arranged, thus solve the technology that high voltage supply system is easy to appear failure
Problem.
To achieve the above object, according to the one aspect of the utility model, a kind of high voltage supply system is provided, including is stored
Battery, the first negative relay, the second negative relay, the positive relay of charging and the positive module of electric discharge driving；
First input end of the first end of the first negative relay as the power supply system, the first negative relay
Second end connect the second end of the second negative relay and the cathode of battery, the anode of the battery connects the charging
The first end of positive relay and electric discharge are driven a vehicle the first end of positive module, described in the second end of the positive relay of charging is used as
The second end of second input terminal of power supply system, the positive module of electric discharge driving connects the first of the described second negative relay
End.
Preferably, the battery includes concatenated storage power and manual maintenance switch, the cathode of the storage power
As the cathode of the battery, the anode of the storage power connects the first end of the manual maintenance switch, described manual
Anode of the second end of maintenance switch as the battery.
Preferably, the high voltage supply system further includes control module, the first output end of control module connection the
The control terminal of one negative relay, second output terminal connect the control terminal of the second negative relay, the positive relay of third output end charging
Control terminal, the connection electric discharge of the 4th output end drives a vehicle the control terminal of positive module.
Preferably, preliminary examination circuit is parallel on the positive relay of charging.
As it is further preferred that the preliminary examination circuit includes preliminary examination relay and preliminary examination resistance, the preliminary examination relay
First end connect the first end of the positive relay of the charging, the second end of the preliminary examination relay connects the preliminary examination resistance
First end, the second end of the preliminary examination resistance connect the second end of the positive relay of charging.
Preferably, the high voltage supply system further includes the negative relay of third, heats positive relay and adding thermal resistance, described
The first end of the negative relay of third connects the cathode of the battery, and the second end of the negative relay of third connects the heating
The first end of resistance, the second end of the adding thermal resistance connect the first end of the positive relay of heating, the positive relay of heating
The second end of device connects the anode of the battery.
Preferably, the positive module of electric discharge driving includes temperature-adjusting device in parallel, and transformer and alternating current turn
Changing device；Wherein, the temperature-adjusting device includes heater, air-conditioning, PTC relay, AIR COND RLY Air Conditioner Relay；The PTC relay
Device is connected with the second end of the AIR COND RLY Air Conditioner Relay, collectively as the first end of the positive module of electric discharge driving, the heating
The input terminal of device is connected with the input terminal of the air-conditioning, described to add collectively as the second end of the positive module of electric discharge driving
The output end of hot device connects the first end of the PTC relay, and the output end of the air-conditioning connects the of the AIR COND RLY Air Conditioner Relay
One end.
As it is further preferred that the high voltage supply system further includes the first high-voltage cage and the second high-voltage cage, described
One negative relay, the second negative relay, the positive relay of charging and adding thermal resistance are set in the first high-voltage cage, the electric discharge row
Vehicle anode module is set in the second high-voltage cage.
According to the another aspect of the utility model, a kind of electric vehicle including above-mentioned high voltage supply system is additionally provided.
In general, more due to being arranged the above technical solutions conceived by the present invention are compared with the prior art,
A cathode relay, can achieve the following beneficial effects:
1, by the way that different cathode relays is arranged in charge circuit and electric discharge driving circuit, negative grade relay is avoided
Adhesion damage, reduces the failure rate of relay, improves safety during vehicle is charged and discharged；
2, it by the way that individual relay is arranged in electric discharge heating circuit, improves in electric discharge heating process and heats hardover failure
The validity of protection；
3, by the way that different cathode relays is arranged in charge circuit, electric discharge driving circuit and electric discharge heating circuit, occur
Corresponding relay can be targetedly disconnected when failure, improves the accuracy of malfunction elimination, convenient for High-Voltage Electrical Appliances component
Maintenance；
4, by the way that the positive module of electric discharge driving and other relays are placed in different high-voltage cages, vehicle is reduced
The volume of single component is convenient for arrangement；
5, pass through in the preliminary examination circuit in parallel on positive relay that charges, it is ensured that the positive relay that charges in the moment of closure, without
Load is closed the positive relay that causes to charge and adhesion fault occurs, increases the safety of whole system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art electric vehicle power supply system；
Fig. 2 is the structural schematic diagram of the utility model electric vehicle power supply system；
Fig. 3 is the structural schematic diagram in the utility model electric discharge driving circuit；
Fig. 4 is the structural schematic diagram of the utility model discharge battery heating circuit；
Fig. 5 is the structural schematic diagram of the utility model charge circuit；
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which: K1- heating just after
Electric appliance, the negative relay of K2- third, K3- preliminary examination relay, the positive relay of K4- charging, the negative relay of K5- second, K6- first are negative
Relay, K7- preliminary filling relay, the positive relay of K8- master, K9-PTC relay, K10- AIR COND RLY Air Conditioner Relay, R1- adding thermal resistance,
R2- preliminary examination resistance, R3- preliminary filling resistance, DCAC1- oil pump controller, DCAC2- electric machine controller fill on DCAC3-, A- air-conditioning,
PTC- heater, DCDC- transformer, BMS- battery management system, VCU- entire car controller, MSD- manual maintenance switch, BDU-
First high-voltage cage, the second high-voltage cage of PDU-, AIOC- All-in-One controller.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
It is disclosed by the utility model to provide a kind of high voltage supply system, including battery, the first negative relay K6, second
Negative relay K5, the positive relay K4 of charging and the positive module of electric discharge driving；
First input end of the first end of the first negative relay K6 as the power supply system, the first negative relay
The second end of device K6 connects the second end of the second negative relay K5 and the cathode of battery, the anode connection institute of the battery
State the first end for the positive relay K4 that charges and the first end of the positive module of driving of discharging, the second of the positive relay K4 of charging
The second input terminal as the power supply system is held, the second end of the positive module of electric discharge driving connects the second negative relay
The first end of device K5.
Wherein, the battery includes concatenated storage power and manual maintenance switch MSD, the cathode of the storage power
As the cathode of the battery, the anode of the storage power connects the first end of the manual maintenance switch MSD, the hand
Anode of the second end of dynamic maintenance switch MSD as the battery.
Wherein, preliminary examination circuit is parallel on the positive relay K4 of charging；The preliminary examination circuit includes preliminary examination relay K3
With preliminary examination resistance R2, the first end of the preliminary examination relay K3 connects the first end of the positive relay K4 of charging, the preliminary examination
The second end of relay K3 connects the first end of the preliminary examination resistance R2, and the second end of the preliminary examination resistance R2 connects the charging
The second end of positive relay K4.
Wherein, the positive module of electric discharge driving includes temperature-adjusting device in parallel, transformer and alternating current conversion
Device；The transformer is used to the high voltage direct current that the battery provides being converted to vehicle low tension；The temperature tune
Regulating device includes heater PTC, air-conditioning A, PTC relay K9, AIR COND RLY Air Conditioner Relay K10；The PTC relay K9 and the air-conditioning
The second end of relay K10 is connected, and collectively as the first end of the positive module of electric discharge driving, the heater PTC's is defeated
Enter end to be connected with the input terminal of the air-conditioning A, collectively as the second end of the positive module of electric discharge driving, the heater
The output end of PTC connects the first end of the PTC relay K9, and the output end of the air-conditioning A connects the AIR COND RLY Air Conditioner Relay K10
First end；The exchange electrical switching device includes main positive relay K8 and oil pump controller DCAC1, electric machine controller
DCAC2 and upper dress, after the oil pump controller DCAC1, electric machine controller DCAC2 and upper dress DCAC3 are in parallel with the positive relay of master
K8 series connection, the oil pump controller DCAC1, electric machine controller DCAC2 are exchanged with the input terminal of upper dress DCAC3 collectively as described
The output end of the second end of electrical switching device, the oil pump controller DCAC1, electric machine controller DCAC2 and upper dress DCAC3 are common
The second end of the first end of the main positive relay K8 of connection, the positive relay K8 of master exchanges the first of electrical switching device as described
End；It is parallel with precharging circuit on the positive relay K8 of master, the precharging circuit includes preliminary filling relay K7 and preliminary filling resistance R3,
The first end of the preliminary filling resistance R3 connects the first end of the positive relay K8 of the master, the second end connection of the preliminary filling resistance R3
The first end of preliminary filling relay K7, the second end of the main positive relay K8 of second end connection of the preliminary filling relay K7.
The high voltage supply system further includes the negative relay K2 of third, the positive relay K1 of heating and adding thermal resistance R1, described
The first end of the negative relay K2 of third connects the cathode of the battery, and the second end connection of the negative relay of third is described to be added
The first end of thermal resistance R1, the second end of the adding thermal resistance R1 connects the first end of the positive relay K1 of heating, described to add
The second end of hot positive relay K1 connects the anode of the battery.
The high voltage supply system further includes control module, and the control module includes battery management system BMS, vehicle control
Device VCU and All-in-One controller (AllIn One Controller, AIOC) processed, the first output end of battery management system BMS
The control terminal of the second negative relay K5 is connected, second output terminal connects the control terminal of the first negative relay K6, and third output end connects
Connect the control terminal for heating positive relay K1, the control terminal of the positive relay K4 of the 4th output end connection charging, the connection of the 5th output end
The control terminal of preliminary examination relay K3, the control terminal of the first output end connection All-in-One controller AIOC of entire car controller VCU, the
Two output ends connect the control terminal of PTC relay K9, and third output end connects the control terminal of AIR COND RLY Air Conditioner Relay K10, the 4th output
The control terminal of end connection oil pump controller DCAC1, the 5th output end connect the control terminal of electric machine controller DCAC2, the 6th output
The control terminal of end connection BMS, the 7th output end connect the control terminal of transformer DCDC, the first output of All-in-One controller AIOC
The control terminal of end connection preliminary filling relay K7, the control terminal of the main positive relay K8 of second output terminal connection.
The high voltage supply system further includes the first high-voltage cage BDU and the second high-voltage cage PDU, the positive relay of heating
The negative relay K2 of K1, third, preliminary examination relay K3, the positive relay K4 of charging, the first negative relay K6, the second negative relay K5,
Adding thermal resistance R1, preliminary examination resistance R2, battery management system BMS and manual maintenance switch MSD are set to BDU in the first high-voltage cage,
The preliminary filling relay K7, main positive relay K8, PTC relay K9, AIR COND RLY Air Conditioner Relay K10, preliminary filling resistance R3, All-in-One control
Device AIOC, oil pump controller DCAC1, electric machine controller DCAC2, upper dress DCAC3-, air-conditioning A and heater PTC are set to second
PDU in high-voltage cage.
Embodiment 1
The technical term meaning that the present embodiment is related to is as follows:
Battery pack (Pack) --- for placing as the main power supply unit of new energy vehicle and the battery of energy storage device.
Manual maintenance switch MSD --- it is set between high tension loop and battery, for cutting when carrying out manual maintenance
Connection between disconnected high tension loop and battery pack.
Transformer DCDC, i.e. DCDC controller --- the high voltage direct current for providing battery are converted to vehicle with low
The device of piezoelectricity.
Oil pump controller DCAC1 --- the high voltage direct current for providing battery is converted to full-vehicle steering Oil pump electrical machinery
The alternating current used.
Electric machine controller DCAC2 --- the high voltage direct current for providing battery is converted to the use of vehicle driving motor
Three-phase alternating current.
Upper dress DCAC3 a --- general designation of other DCAC devices, the high straightening that mainly battery is provided on vehicle
Galvanic electricity is converted to the control device for the alternating current that vehicle other motors use.
Compared with the existing technology, the element composition variation of the utility model is as follows:
1, the negative relay of the master of script is as the second negative relay K5, in first input end (the i.e. battery pack of power supply system
The cathode of middle battery), increase the charging negative relay K6 of negative relay i.e. first；
2, at the second input terminal of power supply system (i.e. the anode of battery in battery pack), at the charging both ends positive relay K4
Preliminary examination relay K3, preliminary examination resistance R2 are increased with parallel way, wherein preliminary examination relay K3 and preliminary examination resistance R2 is series connection side
Formula connection；
3, in electric discharge heating circuit, the negative i.e. negative relay K2 of third of relay of heating is increased.
4, three big parts: electronic box, BMS high-voltage cage i.e. the first high pressure are broadly divided into entire high pressure framework external structure
Box BDU, vehicle high-voltage cage i.e. the second high-voltage cage PDU；Wherein, manual maintenance switch MSD, preliminary examination relay K3, preliminary examination resistance R2,
Charge positive relay K4, the positive relay K1 of heating, adding thermal resistance R1, BMS controller, the negative relay K2 of heating, main negative relay
K6, the negative relay K6 of charging are set in BMS high-voltage cage, and are controlled by battery management system BMS；Entire car controller VCU, preliminary filling
Relay K7, preliminary filling resistance R3, main positive relay K8, PTC relay K9, AIR COND RLY Air Conditioner Relay K10, All-in-One controller AIOC are set
It is placed in vehicle high-voltage cage PDU, the direct rigid line of entire car controller VCU controls PTC relay K9 and AIR COND RLY Air Conditioner Relay K10, close more
After one controller AIOC receives message, rigid line controls preliminary filling relay K3 and main positive relay K8, and message controls transformer.
For the utility model when implementing to discharge driving return circuit, structure and signals transmission are as shown in figure 3, specific packet
It includes:
1. the battery positive voltage in battery pack connects manual maintenance switch MSD；
2. preliminary filling relay K7 connects again in parallel with the positive relay K8 of master with preliminary filling resistance K3；
3. oil pump controller DCAC1, electric machine controller DCAC2, upper dress DCAC3 three are in parallel；
4. PTC relay K9 connects with heater PTC；
5. AIR COND RLY Air Conditioner Relay K10 connects with air-conditioning A；
6. will the 2. 3. 4. 5. module and transformer DCDC parallel connection；
7. the manual maintenance rear end switch MSD with 6. described in module input be connected, 6. described in module output end with put
The electric front end negative relay K5 is connected；
8. the negative relay K5 output end that discharges is connected with the battery terminal negative in battery pack.
For the utility model when implementing to discharge heating circuit function, structure and signals transmission are as shown in figure 4, specific packet
It includes:
1. the battery positive voltage in battery pack is connected with manual maintenance switch MSD input terminal；
2. manual maintenance switch MSD output end is connect with positive relay K1 input terminal is heated；
3. heating positive relay K1 output end to connect with adding thermal resistance R1 input terminal；
4. adding thermal resistance R1 output end is connect with negative relay K2 input terminal is heated；
5. heating negative relay K2 output end to connect with the battery terminal negative in battery pack.
Wherein, adding thermal resistance R1 can be used after battery pack, energization for battery pack heating, heated positive relay K1 and added
The negative relay K2 of heat controls electric discharge heating circuit power supply by collaboration open and close.
For the utility model when implementing charge circuit function, structure and signals transmission are as shown in figure 5, specifically include:
1. the battery positive voltage in battery pack is connected with manual maintenance switch MSD output end；
2. manual maintenance switch MSD input terminal is connect with the positive relay K4 output end that charges；
3. the positive relay K4 input terminal that charges is connected with the anode of external power supply；
4. after preliminary examination relay K3 connects with preliminary examination resistance R2, being connected in parallel on the charging both ends positive relay K4；
5. the cathode of external power supply is connect with the negative relay K6 output end that charges；
6. the negative relay K6 input terminal that charges is connect with the battery terminal negative in battery pack.
Wherein, preliminary examination relay K3, preliminary examination resistance R2 and the positive relay K4 of charging, by collaboration open and close come complete
At battery charging preliminary filling process, charge negative relay K6 collaboration above three component, controls together to entire charge circuit
System.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of high voltage supply system, which is characterized in that including battery, the first negative relay (K6), the second negative relay
(K5), charge positive relay (K4) and the positive module of electric discharge driving；
First input end of the first end of the first negative relay (K6) as the power supply system, the first negative relay
(K6) second end connects the second end of the second negative relay (K5) and the cathode of battery, the anode connection of the battery
The first end of the positive relay (K4) of charging and the first end of the positive module of electric discharge driving, the positive relay (K4) of charging
Second input terminal of the second end as the power supply system, the electric discharge drives a vehicle the second end connection described second of positive module
The first end of negative relay (K5).
2. high voltage supply system as described in claim 1, which is characterized in that the battery include concatenated storage power and
Manual maintenance switchs (MSD), cathode of the cathode of the storage power as the battery, and the anode of the storage power is even
The first end of the manual maintenance switch (MSD) is connect, the second end of the manual maintenance switch (MSD) is as the battery
Anode.
3. high voltage supply system as described in claim 1, which is characterized in that it further include control module, the control module
First output end connects the control terminal of the first negative relay (K6), and second output terminal connects the control of the second negative relay (K5)
End, the control terminal of the positive relay (K4) of third output end charging, the control terminal of the positive module of the 4th output end connection electric discharge driving.
4. high voltage supply system as described in claim 1, which is characterized in that be parallel on the positive relay (K4) of charging pre-
Examine circuit.
5. high voltage supply system as claimed in claim 4, which is characterized in that the preliminary examination circuit includes preliminary examination relay (K3)
With preliminary examination resistance (R2), the first end of the first end connection of the preliminary examination relay (K3) the positive relay (K4) of charging, institute
The second end for stating preliminary examination relay (K3) connects the first end of the preliminary examination resistance (R2), the second end of the preliminary examination resistance (R2)
Connect the second end of the positive relay (K4) of charging.
6. high voltage supply system as described in claim 1, which is characterized in that further include the negative relay of third (K2), heat just
The first end of relay (K1) and adding thermal resistance (R1), the negative relay of third (K2) connects the cathode of the battery, institute
The second end for stating the negative relay of third (K2) connects the first end of the adding thermal resistance (R1), and the second of the adding thermal resistance (R1)
The first end of the end connection positive relay (K1) of heating, the second end of the positive relay (K1) of heating connect the battery
Anode.
7. high voltage supply system as described in claim 1, which is characterized in that the positive module of electric discharge driving includes in parallel
Temperature-adjusting device, transformer (DCDC) and exchange electrical switching device.
8. high voltage supply system as claimed in claim 7, which is characterized in that the high voltage supply system further includes the first high pressure
Box (BDU) and the second high-voltage cage (PDU), the first negative relay (K6), the second negative relay (K5), the positive relay of charging
(K4) and adding thermal resistance (R1) is set in the first high-voltage cage (BDU), and it is high that the positive module of electric discharge driving is set to second
It presses in box (PDU).
9. a kind of includes the electric vehicle of the high voltage supply system as described in any one of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821245175.9U CN208664970U (en) | 2018-08-03 | 2018-08-03 | A kind of high voltage supply system and electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821245175.9U CN208664970U (en) | 2018-08-03 | 2018-08-03 | A kind of high voltage supply system and electric vehicle |
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| CN208664970U true CN208664970U (en) | 2019-03-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110722990A (en) * | 2019-10-31 | 2020-01-24 | 武汉格罗夫氢能汽车有限公司 | Hydrogen fuel cell vehicle power system supporting emergency rescue and control method thereof |
| CN113650628A (en) * | 2021-09-03 | 2021-11-16 | 西安中车永电电气有限公司 | Intelligent tourism electric motor train unit traction auxiliary power supply system capable of dispersing power |
-
2018
- 2018-08-03 CN CN201821245175.9U patent/CN208664970U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110722990A (en) * | 2019-10-31 | 2020-01-24 | 武汉格罗夫氢能汽车有限公司 | Hydrogen fuel cell vehicle power system supporting emergency rescue and control method thereof |
| CN113650628A (en) * | 2021-09-03 | 2021-11-16 | 西安中车永电电气有限公司 | Intelligent tourism electric motor train unit traction auxiliary power supply system capable of dispersing power |
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