CN106740203A - A kind of electric automobile Portable movable battery bag and its application - Google Patents
A kind of electric automobile Portable movable battery bag and its application Download PDFInfo
- Publication number
- CN106740203A CN106740203A CN201611193295.4A CN201611193295A CN106740203A CN 106740203 A CN106740203 A CN 106740203A CN 201611193295 A CN201611193295 A CN 201611193295A CN 106740203 A CN106740203 A CN 106740203A
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- Prior art keywords
- electric automobile
- management system
- relay
- battery bag
- portable movable
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of electric automobile Portable movable battery bag, including batteries, the positive relay of master, main negative relay, Hall sensor, battery management system, vehicle plug;Positive pole output contact of the positive pole of the batteries sequentially with Hall sensor, the positive relay of master, starting switch, vehicle plug is connected, and the negative pole of the batteries sequentially exports contact and is connected with the negative pole of main negative relay, vehicle plug.Electric automobile Portable movable battery bag proposed by the present invention, there is provided a kind of general with interface and control mode of electric automobile, small volume, light weight is easy to carry, can be used as a kind of emergent supplement power supply of general electric automobile.Adopt electric automobile in this way, when automobile batteries does not have electricity, nearby without charging pile charging station in the case of, Portable movable battery bag is placed in automobile trunk, after being connected with electric automobile, can directly for electric automobile provides power.
Description
Technical field
The invention belongs to electric energy storage system field, and in particular to a kind of device powered to the load by battery pack.
Background technology
With the development of electric vehicle engineering, the idea of environmental protection is rooted in the hearts of the people, and electric automobile is increasingly consumed
The concern of person.But the construction of current battery technology and charging station is limited to, the course continuation mileage of electric automobile always is
Very big problem, influences the popularization of electric automobile.
In order to solve the problems, such as electric automobile course continuation mileage, people have invented vehicle-mounted charge treasured, but this charger baby will
It is charging batteries of electric automobile under parked state.In Chinese patent CN105978076A, there is provided a kind of moveable electricity
Electrical automobile continuation of the journey charging device, sends what is travelled in charging by battery management system to the battery management unit of electric automobile
Request, realization can exchanging trickle charge or direct current charge whenever and wherever possible, it is also possible to realize being travelled in charging.But actually used
When, there are two problems:Even if 1. entire car controller relieves the order of traveling limitation, the battery pack of electric automobile still needs to reach one
Fixed electricity, could meet the normally travel demand of automobile, and this is accomplished by a period of time to be charged to battery pack, can not be at once
Realize being travelled in charging;Still further aspect, battery pack is often in the state of SOC is less than 20% (when travelling restriction state)
Electric discharge, can greatly reduce the service life of battery.2. to realize to the exchanging trickle charge of batteries of electric automobile group, it is necessary in movement
Inverter is equipped with electric automobile continuation of the journey charging device, realizes that DC-AC is converted;Realize fast to the direct current of batteries of electric automobile group
Fill, it is necessary to mobile electric automobile continuation of the journey charging device in be equipped with DC charging motor, thus considerably increase the volume of device
And weight, cause the inconvenience of carrying.
Preferable solution is to provide a kind of continuation of the journey battery bag, can be directly electric automobile after being connected with electric automobile
Power supply is provided.However, because the electric automobile producer of in the market is numerous and diverse with model, voltage, the work(of every kind of batteries of electric automobile bag
Rate, control mode are different, cause the design of existing continuation of the journey battery bag and can only be directed to certain specific vehicle.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of electric automobile Portable movable battery bag, and provide
The interface and control mode of a kind of general battery bag and electric automobile.
Second object of the present invention is to propose the application of the electric automobile Portable movable battery bag.
Realize that above-mentioned purpose technical scheme of the present invention is:
A kind of electric automobile Portable movable battery bag, it is characterised in that negative including batteries, the positive relay of master, master
Relay, starting switch, Hall sensor, battery management system, vehicle plug;
CAN module is provided with the battery management system,
The vehicle plug be provided with positive pole export contact (V+), negative pole export contact (V ﹣), high position data line contact and
Low data line contact, high position data line contact and low data line contact are connected with the CAN module in battery management system;
The positive pole of the batteries sequentially with Hall sensor, the positive relay of master, starting switch, vehicle plug positive pole
Output contact is connected, and the negative pole of the batteries sequentially exports contact and is connected with the negative pole of main negative relay, vehicle plug;
The starting switch be used for control Portable movable battery bag whether as electric automobile emergency power supply.
The batteries are 96 2 lithium battery groups simultaneously of strings, nominal voltage 355V, or 150 2 ternarys simultaneously of string alternatively
Lithium battery group, nominal voltage is 555V, in can be used for/large car, but it is general in/large car more than by the way of electricity is changed.
Further, the electric automobile Portable movable battery bag also include preliminary filling relay, preliminary filling resistance, preliminary filling after
The two ends of the positive relay of the master are connected in parallel on after electrical equipment and preliminary filling resistant series.
Wherein, the electric automobile Portable movable battery bag is provided with direct-current charging interface and alternating-current charging interface, institute
State direct-current charging interface and alternating-current charging interface is all connected with the batteries.
Wherein, the batteries of the electric automobile Portable movable battery bag, the positive relay of master, master bear relay, open
Dynamic switch, Hall sensor, battery management system are integrated in mobile tank, and the vehicle plug is additionally provided with protection and connects
Ground contact (PE), protective grounding contact is connected with the mobile tank.
Wherein, accessory power supply is provided with the electric automobile Portable movable battery bag and the accessory power supply is controlled
Power switch, the power switch connects the battery management system, and the battery management system is provided with human-computer interaction interface.
The present invention also proposes the application of described electric automobile Portable movable battery bag:When being connected with electric automobile, institute
The vehicle plug of electric automobile Portable movable battery bag is stated to be connected with the Vehicular charging socket of electric automobile.
Further, when being connected with electric automobile, the electric automobile Portable movable battery bag and batteries of electric automobile
Bag is in parallel, the positive pole of electric automobile Portable movable battery bag export contact (V+) be connected to the master of batteries of electric automobile bag just after
After electrical equipment, negative pole exports contact (V ﹣) and is connected to after the negative relay of the master of batteries of electric automobile bag;The electric automobile is just
Formula mobile battery bag is taken to be communicated by CAN with the entire car controller of electric automobile.
Further, after the electric automobile Portable movable battery bag is connected with electric automobile, battery management system
There are power up mode, three control models of normal mode of operation and lower power mode:
Power up mode:Power switch is closed, and electricity on battery management system and human-computer interaction interface, battery management system passes through
Charged state is in after self-inspection;Sent to batteries of electric automobile bag and close the positive relay of master, main negative relay, preliminary filling relay
Order, after closing successfully, entire car controller returns to the successful CAN message of request to battery management system, and the electric automobile is just
Formula mobile battery bag closure starting switch is taken, battery management system collects starting switch closure, and high pressure action is opened in startup:Closure
Main negative relay, preliminary filling relay, judged that pre-charge pressure reaches threshold value in 1 second, then close the positive relay of master.Charging stage,
Battery management system sends the message of pre-charge state (Precharging) to entire car controller;Preliminary filling success then enters normal
Mode of operation;
Normal mode of operation:
Electric automobile Portable movable battery is charged normal, and into after normal operating conditions, battery management system is to vehicle
Controller periodically send battery bag SOC (state-of-charge) value (if without failure code with regard to normally travel);
Lower power mode:
Break down and need to turn off high pressure to battery management system, or device when entire car controller sends pass high pressure order, or
When the SOC value of device batteries is less than using threshold value, the battery management system positive relay of control master and main negative relay are opened,
The High voltage output of shearing device.Now human-computer interaction interface shows " having descended electricity ".
Described battery management system has the independent control function to batteries, can be according to the current state of battery bag
Judge control High voltage output.
Wherein, in normal mode of operation, the battery management system periodically sends failure code to entire car controller.Electricity
Pond management system carries out three-level differentiated control to battery bag failure:Level fault:Instrument sound and light alarm, DTC prompting, vehicle
80% power is travelled;Secondary failure:Instrument sound and light alarm, DTC prompting, the power of vehicle 50% traveling;Three-level fault:Instrument
Sound and light alarm, DTC prompting, BMS was not received by entire car controller in 3 seconds and closes high pressure order, then cutoff high is defeated by force
Go out.
The beneficial effects of the present invention are:
A kind of electric automobile Portable movable battery bag proposed by the present invention, there is provided general connecing with electric automobile
Mouth and control mode, small volume, light weight, are easy to carry, can be used as a kind of emergent supplement power supply of general electric automobile.Using
The electric automobile of this mode, when automobile batteries does not have electricity, nearby without charging pile charging station in the case of, by Portable movable
Battery bag is placed in automobile trunk, after being connected with electric automobile, can directly for electric automobile provides power.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is the connection diagram of apparatus of the present invention and automobile.
Fig. 3 is one embodiment of the invention battery management system control flow chart.
In figure, 1:Mobile tank, 2:Batteries, 3:The positive relay of master, 4:Main negative relay, 5:Preliminary filling relay,
6:Preliminary filling resistance, 7:Starting switch, 8:Hall sensor, 9:Accessory power supply, 10:Power switch, 11:Battery management system, 12:
Human-computer interaction interface, 13:Direct-current charging interface, 14:Alternating-current charging interface, 15:Vehicle plug.
Specific embodiment
The present invention is illustrated below by most preferred embodiment.Those skilled in the art institute it should be understood that, embodiment is only used for
Illustrate rather than for limiting the scope of the present invention.
In embodiment, unless otherwise instructed, means used are the conventional means in this area.
Embodiment 1:
Referring to Fig. 1, a kind of electric automobile Portable movable battery bag, by mobile tank 1, batteries 2, the positive relay of master
Device 3, main negative relay 4, preliminary filling relay 5, preliminary filling resistance 6, starting switch 7, Hall sensor 8, accessory power supply 9, power supply are opened
Close 10, battery management system 11, human-computer interaction interface 12, direct-current charging interface 13, alternating-current charging interface 14, vehicle plug 15 etc.
Part constitutes.
The size of mobile tank 1 is one 20 cun of draw-bar boxes, and material uses engineering plastics, and bottom is equipped with 2 wheels, and top has
Hand lever.
Vehicle plug 15 has 5 contacts, and V+ is exported for the positive pole of device, and V- is exported for the negative pole of device, and PE is protection
Ground connection is connected with mobile tank, high position data line contact (CAN_H and low data line contact (CAN_L) and battery management system
CAN module in system is connected.The positive pole of batteries 2 sequentially with Hall sensor 8, the positive relay 3 of master, starting switch 7, vehicle
The V+ contacts of plug are connected, and the two ends of the positive relay of master are connected in parallel on after preliminary filling relay and preliminary filling resistant series.Batteries 2
V- contact of the negative pole sequentially with main negative relay 4, vehicle plug is connected.
Preliminary filling relay 5 and preliminary filling resistance 6 are connected in parallel on the two ends of the positive relay of the master after connecting.Electric automobile is portable
Accessory power supply 9 (12V accessory power supplys, for being that battery management system and human-computer interaction interface are powered) is provided with mobile battery bag
Control the power switch 10 of the accessory power supply, the connection battery management system 11 of power switch 10.
This electric automobile Portable movable battery bag is provided with direct-current charging interface and alternating-current charging interface, and the direct current fills
Electrical interface and alternating-current charging interface are all connected with the batteries.
Batteries 2 are 96 2 ternary lithium battery groups simultaneously of string, and nominal voltage is 355V, and voltage range is 240V~400V,
Capacity is 50Ah.
Battery management system 11 has monomer voltage detection, total voltage detection, total current detection, temperature detection, insulated electro
The function such as resistance detection, SOC estimations, passive equilibrium, charge and discharge control, fault diagnosis, heat management, CAN communication.
Human-computer interaction interface 12 is LCD display, is connected with battery management system 11 by 485 buses, can be shown portable
The information such as the current voltage of formula mobile battery bag, electricity, are easy to manage charging.
Power switch 10 and starting switch 7 are located at the panel lower section of human-computer interaction interface 12.
Referring to Fig. 2, the application of this electric automobile Portable movable battery bag, is that it is connected with electric automobile, specially
Vehicle plug is connected with the Vehicular charging socket of electric automobile.
When being connected with electric automobile, the electric automobile Portable movable battery bag is in parallel with batteries of electric automobile bag, electricity
The positive pole of electrical automobile Portable movable battery bag exports contact (V+) and is connected to after the positive relay of the master of batteries of electric automobile bag,
Negative pole exports contact (V ﹣) and is connected to after the negative relay of the master of batteries of electric automobile bag;The electric automobile Portable movable electricity
Chi Bao is communicated with the entire car controller of electric automobile by CAN.
Under normal running conditions, this electric automobile Portable movable battery bag can drive running car half an hour.
Embodiment 2
The present embodiment is described to present apparatus battery management system to the independent control function of batteries, using implementation
The device of example 1, battery management system 11 has power up mode, three control models (Fig. 3) of normal mode of operation and lower power mode.
Power up mode:
As shown in figure 3, when power switch 10 is closed, electricity, battery on battery management system 11 and human-computer interaction interface 12
Management system 11 carries out self-inspection, and the judgment means of battery management system 11 are in charged state, and battery management system 11 is switched to
Charging states, no longer respond any operation, while the display master data of human-computer interaction interface 12.If battery management system 11
Fail self-test, human-computer interaction interface 12 shows " ERROR " that device can only restart.
If after the self-inspection of battery management system 11 is normal, into request working condition, battery management system 11 is to full-vehicle control
Device sends CAN message of the request as electric automobile emergency power supply, after entire car controller is received, is sent out to batteries of electric automobile bag
Go out to close the positive relay of master, main negative relay, the order of preliminary filling relay, after closing successfully, entire car controller is to battery management
System 11 returns to the CAN message asked successfully or ask failure.
If battery management system 11 is asked successfully, into Ready states, while human-computer interaction interface 12 shows " READY ".
Closure starting switch 7, battery management system 11 collects starting switch 7 and closes, and high pressure action is opened in startup:The main negative relay of closure
Device, preliminary filling relay, judged that pre-charge pressure reaches threshold value in 1 second, then close the positive relay of master.Charging stage, battery management
System 11 sends the message of pre-charge state (Precharging) to entire car controller, and preliminary filling success sends and enables
(Enabled) state message;If preliminary filling fails, the state message of wrong (Error) is sent.
If preliminary filling fails, device enters ERROR states, no longer responds any operation, and human-computer interaction interface 12 shows
The system failure.If preliminary filling success, into ENABLED states, the positive relay closure of the controllable master of battery management system 11, dress
Put and enter normal operating conditions, human-computer interaction interface 12 shows " start-up operation ", and shows current flow.
Normal mode of operation:
After device enters normal operating conditions, battery management system 11 periodically sends battery bag SOC to entire car controller
Value and failure code.Battery management system 11 carries out three-level differentiated control to battery bag failure:Level fault:Instrument acousto-optic report
It is alert, DTC prompting, the power of vehicle 80% traveling;Secondary failure:Instrument sound and light alarm, DTC prompting, the power of vehicle 50%
Traveling;Three-level fault:Instrument sound and light alarm, DTC prompting, BMS was not received by entire car controller in 3 seconds and closes high pressure life
Order, then cutoff high output by force.
Lower power mode:
There is three-level fault and need to turn off height to battery management system 11, or device when entire car controller sends pass high pressure order
Pressure, or device batteries 2 SOC value less than using threshold value when, the control of the battery management system 11 positive relay of master and it is main it is negative after
Electrical equipment is opened, and the High voltage output of shearing device, human-computer interaction interface 12 shows " having descended electricity ".
Embodiment 3
During for medium-sized/large car, batteries 2 are 150 2 ternary lithium battery groups simultaneously of string, and nominal voltage is 555V, electricity
Pressure scope is 420V~630V, and capacity is 50Ah, can drive running car half an hour.
Embodiment above is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is entered
Row is limited, and on the premise of design spirit of the present invention is not departed from, this area ordinary skill technical staff is to technical side of the invention
The all variations and modifications that case is made, all should fall into the protection domain of claims of the present invention determination.
Claims (9)
1. a kind of electric automobile Portable movable battery bag, it is characterised in that including batteries, the positive relay of master, it is main it is negative after
Electrical equipment, starting switch, Hall sensor, battery management system, vehicle plug;
CAN module is provided with the battery management system,
The vehicle plug is provided with positive pole output contact, negative pole output contact, high position data line contact and low data line and touches
Point, high position data line contact and low data line contact are connected with the CAN module in battery management system;
Positive pole of the positive pole of the batteries sequentially with Hall sensor, the positive relay of master, starting switch, vehicle plug is exported
Contact is connected, and the negative pole of the batteries sequentially exports contact and is connected with the negative pole of main negative relay, vehicle plug;
The starting switch be used for control Portable movable battery bag whether as electric automobile emergency power supply.
2. electric automobile Portable movable battery bag according to claim 1, it is characterised in that the electric automobile is portable
Formula mobile battery bag also includes preliminary filling relay, preliminary filling resistance, and the master is connected in parallel on after preliminary filling relay and preliminary filling resistant series
The two ends of positive relay.
3. electric automobile Portable movable battery bag according to claim 2, it is characterised in that the electric automobile is portable
Formula mobile battery bag is provided with direct-current charging interface and alternating-current charging interface.
4. the electric automobile Portable movable battery bag according to any one of claims 1 to 3, it is characterised in that the electricity
The batteries of electrical automobile Portable movable battery bag, the positive relay of master, main negative relay, starting switch, Hall sensor, electricity
Pond management system is integrated in mobile tank, and the vehicle plug is additionally provided with protective grounding contact, protective grounding contact
It is connected with the mobile tank.
5. the electric automobile Portable movable battery bag according to any one of claims 1 to 3, it is characterised in that the electricity
The power switch of accessory power supply and the control accessory power supply is provided with electrical automobile Portable movable battery bag, the power supply is opened
Connection connects the battery management system, and the battery management system is provided with human-computer interaction interface.
6. the application of the electric automobile Portable movable battery bag described in any one of Claims 1 to 5, it is characterised in that with electricity
When electrical automobile is connected, the vehicle plug of the electric automobile Portable movable battery bag connects with the Vehicular charging socket of electric automobile
Connect.
7. application according to claim 6, it is characterised in that when being connected with electric automobile, the electric automobile is portable
Mobile battery bag is in parallel with batteries of electric automobile bag, and the positive pole output contact of electric automobile Portable movable battery bag is connected to electricity
After the positive relay of master of electrical automobile battery bag, negative pole output contact be connected to batteries of electric automobile bag the negative relay of master it
Afterwards;The electric automobile Portable movable battery bag is communicated with the entire car controller of electric automobile by CAN.
8. application according to claim 6, it is characterised in that the electric automobile Portable movable battery bag and electronic vapour
After car connection, battery management system has power up mode, three control models of normal mode of operation and lower power mode:
Power up mode:Power switch is closed, and electricity on battery management system and human-computer interaction interface, battery management system passes through self-inspection
Charged state is in afterwards;Sent to batteries of electric automobile bag and close the positive relay of master, main negative relay, the life of preliminary filling relay
Order, after closing successfully, entire car controller returns to the successful CAN message of request to battery management system, and the electric automobile is portable
Formula mobile battery bag closes starting switch, and battery management system collects starting switch closure, and high pressure action is opened in startup:Closure master
Negative relay, preliminary filling relay, judged that pre-charge pressure reaches threshold value in 1 second, then close the positive relay of master;Charging stage, electricity
Pond management system sends the message of pre-charge state to entire car controller;Preliminary filling success then enters normal mode of operation;
Normal mode of operation:
Electric automobile Portable movable battery is charged normal, and into after normal operating conditions, battery management system is to full-vehicle control
Device periodically sends battery bag SOC value;
Lower power mode:
Break down and need to turn off high pressure, or device to battery management system, or device when entire car controller sends pass high pressure order
When the SOC value of batteries is less than using threshold value, the battery management system positive relay of control master and main negative relay are opened, cut-out
The High voltage output of device.
9. application according to claim 8, it is characterised in that in normal mode of operation, the battery management system is to whole
Vehicle controller periodically sends failure code, and battery management system carries out three-level differentiated control to battery bag failure:Level fault:
Instrument sound and light alarm, DTC prompting, the power of vehicle 80% traveling;Secondary failure:Instrument sound and light alarm, DTC prompting, car
50% power traveling;Three-level fault:Instrument sound and light alarm, DTC prompting, BMS was not received by full-vehicle control in 3 seconds
Device closes high pressure order, then cutoff high output by force.
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CN107634559A (en) * | 2017-10-25 | 2018-01-26 | 上海伊控动力系统有限公司 | A kind of echelon of new-energy automobile old and useless battery utilizes system and application method |
CN109130936A (en) * | 2018-08-31 | 2019-01-04 | 北京新能源汽车股份有限公司 | A kind of charge-discharge system |
CN109969018A (en) * | 2019-04-15 | 2019-07-05 | 浙江英伦汽车有限公司 | A kind of vehicle DC charging unit and vehicle |
CN110077276A (en) * | 2019-04-24 | 2019-08-02 | 东风汽车集团有限公司 | Pure electric automobile is with can expand power supply quick-change system and method |
CN110356260A (en) * | 2019-07-19 | 2019-10-22 | 中汽研(天津)汽车工程研究院有限公司 | It is a kind of to fill benefit electric installation applied to the portable of electric vehicle roadside assistance |
CN110667413A (en) * | 2019-09-29 | 2020-01-10 | 陕西科技大学 | Emergency charging equipment for electric automobile |
CN111619403A (en) * | 2019-09-14 | 2020-09-04 | 南京金龙新能源汽车研究院有限公司 | New energy series battery module shielding system and working method thereof |
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