CN110356236A - The pure electric automobile of pure electric automobile high-voltage interlocking system and application the high-voltage interlocking system - Google Patents
The pure electric automobile of pure electric automobile high-voltage interlocking system and application the high-voltage interlocking system Download PDFInfo
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- CN110356236A CN110356236A CN201910508655.2A CN201910508655A CN110356236A CN 110356236 A CN110356236 A CN 110356236A CN 201910508655 A CN201910508655 A CN 201910508655A CN 110356236 A CN110356236 A CN 110356236A
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
-
- 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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to entire new energy automobiles to control related fields, and in particular to a kind of pure electric automobile high-voltage interlocking system and the pure electric automobile using the high-voltage interlocking system.It include: the first high-voltage interlocking of VCU circuit, including MCU, onboard charger input plug-in unit, MCU high-voltage connection plug-in unit, onboard charger high-voltage connection plug-in unit and high-voltage connecting wire box input plug-in unit；The second high-voltage interlocking of VCU circuit, including compressor of air conditioner input plug-in unit and compressor of air conditioner high-voltage connection plug-in unit；Vehicle VCU, fault message is recorded when detecting that the first high-voltage interlocking circuit the VCU generation interlocking disconnects, is kept vehicle to continue traveling according to speed or cuts off automotive power, fault message is recorded when detecting that the second high-voltage interlocking circuit VCU sends and interlocks and disconnect, lights corresponding malfunction indicator lamp.It avoids frequent cutoff high power supply and influences the service life of user experience and electric elements.
Description
Technical field
The invention belongs to entire new energy automobiles to control related fields, and in particular to a kind of pure electric automobile high-voltage interlocking system
The pure electric automobile of system and application the high-voltage interlocking system.
Background technique
Pure electric automobile, which refers to, provides the electric car being driven by electricity by battery completely, and operating voltage is up to several hectovolts,
Significantly larger than safe voltage.Discharge current is possible to reach tens of peaces when high-pressure system works, peaces even as high as up to a hundred.Relative to
For orthodox car, pure electric automobile uses large capacity, the power battery of high voltage and high-voltage motor and electric drive control system
System, and a large amount of high pressure accessory device is used, such as: electric air-conditioning, PCT electric heater and DC/DC converter.
Along with increasing for high voltage parts, high-voltage safety seems increasingly important.Application publication number CN108045232A, Shen
Please the application for a patent for invention in date of publication on May 18th, 2018 disclose a kind of battery management system equipped with charging high-voltage interlocking function
System.System monitors the high tension loop of pure electric automobile in real time by high voltage power interlocking module, and utilizes human-computer interaction
Interface provides various feedback information, to realize the effective control and high tension loop to high tension loop in battery pack shutdown process
Failure and alarm.High voltage fault is detected by a high tension loop, and event is carried out using single cutoff high mode
Barrier processing, cannot be considered in terms of high-voltage safety and driving functions.
Application publication number CN108790827A, one disclosed in the application for a patent for invention in data of publication of application on November 13rd, 2018
Kind pure electric vehicle vehicle high-voltage interlocking control method is reduced by the way that high-voltage interlocking is detected the way being divided into each system
The cost of layout and difficulty of overall wire sheaves, and comprehensively consider the different operating conditions such as the charging of automobile, traveling, static, take difference
Control strategy carry out cutoff high power supply.Power resources of the high voltage power supply as pure electric automobile, although root in the technical solution
Driving status whether is according to vehicle or charged state is taken different strategies and driven a vehicle and charged with guarantee to cut off the power
Safety.But will lead to system shutdown high voltage power supply once detecting high-voltage interlocking alarm i.e., frequent cutoff high power supply is not
But the usage experience for influencing user also will affect the service life of the electric elements such as interior air-conditioning.
Summary of the invention
The present invention provides a kind of pure electric automobile high-voltage interlocking system, which is characterized in that including;
The first high-voltage interlocking of VCU circuit, including MCU, onboard charger input plug-in unit, MCU high-voltage connection plug-in unit, onboard charger
High-voltage connection plug-in unit and high-voltage connecting wire box input plug-in unit；
The second high-voltage interlocking of VCU circuit, including compressor of air conditioner input plug-in unit and compressor of air conditioner high-voltage connection plug-in unit；
Vehicle VCU records fault message when detecting that interlocking disconnection occurs for the first high-voltage interlocking circuit VCU, according to vehicle
Speed keeps vehicle to continue to travel or cut off automotive power, is detecting that it is mutual that the second high-voltage interlocking circuit VCU is sent
Fault message is recorded when lock disconnects, lights corresponding malfunction indicator lamp.
In above-mentioned technical proposal, VCU only detect influence traffic safety the first high-voltage interlocking of VCU circuit interlock
According to the cutting automotive power of vehicle speed condition selectivity when disconnection, and detect that the non-VCU second for influencing traffic safety is high
Pressure interlocking loop occurs that automotive power will not be cut off when interlocking disconnects, and avoids frequent cutoff high power supply and influences to use
The service life of family experience and electric elements.
Preferably, the vehicle VCU is when detecting that interlocking disconnection occurs for the first high-voltage interlocking circuit VCU: such as
Fruit current vehicle speed is greater than preset vehicle speed and vehicle is then kept to continue to travel；Vehicle is cut off if current vehicle speed is no more than preset vehicle speed
Dynamical system.Different control vehicles is used according to the difference of speed, can more effectively guarantee traffic safety.
Preferably, second high-voltage interlocking of VCU circuit further includes that PDC uncaps detection switch.
Preferably, second high-voltage interlocking of VCU circuit further includes PTC controller input plug-in unit and PCT control high pressure
Wiring plug-in unit.
Preferably, second high-voltage interlocking of VCU circuit further included that water PTC controller inputs plug-in unit and crosses water PCT
Controller high-voltage connection plug-in unit.
Preferably, further include: the first high-voltage interlocking of BMS circuit, including MSD and battery system major loop plug-in unit；Institute
Vehicle VCU is stated, fault message is recorded when detecting that interlocking disconnection occurs for the first high-voltage interlocking circuit BMS, lights correspondence
Malfunction indicator lamp, cutting automotive power.MSD(manual maintenance switch in the first high-voltage interlocking of BMS circuit) and battery
System circuit plug-in unit is related to the personal safety of maintenance personnel, when detecting that interlocking disconnection occurs for the circuit, cuts off dynamical system
It unites to guarantee the personal safety of maintenance personnel.
Preferably, further include: the second high-voltage interlocking of BMS circuit, including battery system fast charge plug-in unit；The vehicle VCU,
Fault message is recorded when detecting that the second high-voltage interlocking circuit BMS disconnects and interlocking disconnection occurs, lights corresponding failure
Indicator light, the fast charge cut off and forbid vehicle charge.
Preferably, further include: OBC high-voltage interlocking circuit, including onboard charger output inserter；The vehicle VCU,
Detect that OBC high-voltage interlocking circuit occurs record fault message when interlocking disconnects, lights corresponding malfunction indicator lamp.
Preferably, further include: MCU high-voltage interlocking circuit, including driving motor；The vehicle VCU, it is described detecting
MCU high-voltage interlocking circuit occur interlocking disconnect when record fault message, light corresponding malfunction indicator lamp, control vehicle enter it is lame
Row mode.
The present invention also provides a kind of pure electric automobiles characterized by comprising high-voltage interlocking system described in any of the above embodiments
System.
The present invention have it is following the utility model has the advantages that
Entire car controller of the VCU as pure electric automobile is responsible for the collection of the high-voltage interlocking status signal in each high-voltage interlocking circuit
With processing, according to the driving state of the vehicle with high-voltage interlocking state, the different high voltage components that interlocking disconnects especially occur and adopt
Different safe handling strategies is taken, user experience is helped to improve, extends pure electric automobile electronic equipment service life.
Detailed description of the invention
The high-voltage interlocking circuit electrical schematics of Fig. 1 embodiment of the present invention one.
Specific embodiment
Term used herein is used only for the purpose of describing specific embodiments, and is not intended to limit the present invention.Unless in addition
Definition, otherwise all terms used herein have normally understood identical with those skilled in the art
Meaning.It will be further appreciated that essential term should be interpreted as having and it is in related fields and present disclosure
The consistent meaning of meaning.The disclosure will be considered as example of the invention, and is not intended to and limits the invention to particular implementation
Example.
Embodiment one
A kind of pure electric automobile high-voltage interlocking system, including mutually independent multiple high-voltage interlocking circuits are for separately examining
The high-voltage interlocking for surveying different circuit disconnects failure, judges convenient for high voltage fault reason and positions.High-voltage interlocking circuit by using
Low-voltage signal checks all each branches being connected with high voltage bus on electric car, including entire battery system, conducting wire, connection
The electric appliance gate oxide integrity and continuity of the system circuits such as device, DCDC, electric machine controller, high-voltage connecting wire box and protection cap.Such as Fig. 1
It is shown, the high-voltage interlocking system of the present embodiment comprising:
The first high-voltage interlocking of VCU circuit inputs plug-in unit, MCU high by the MCU, the onboard charger (OBC&DCDC) that are serially connected
Compression bonded line plug-in unit, onboard charger (OBC&DCDC) high-voltage connection plug-in unit and high-voltage connecting wire box input plug-in unit.MCU high pressure is mutual
Lock loop, including driving motor；MCU is mainly integrated with motor and inverter two parts, and main function is according to gas pedal
Input with brake pedal is recycled come the power output for controlling motor and energy dynamic braking, MCU and electric automobile high-voltage terminal box
Upper corresponding MCU high-voltage connection plug-in unit electrical connection.It is corresponding in electric automobile high-voltage terminal box that OBC&DCDC inputs plug-in unit
The electrical connection of OBC&DCDC high-voltage connection plug-in unit.High-voltage connecting wire box input plug-in unit is used for as the input terminal of high-voltage connecting wire box and battery
The major loop plug-in unit of system is electrically connected, to realize battery system and each output end of high-voltage connecting wire box (with each high-voltage connecting wire box
Output inserter electrical connection) electric appliance electrical connection.
The second high-voltage interlocking of VCU circuit inputs plug-in unit, compressor of air conditioner high-voltage connecting by the compressor of air conditioner being serially connected
Line plug-in unit, PDC uncap detection switch, PTC controller input plug-in unit, PCT controller high-voltage connection plug-in unit, cross water PTC controller
It inputs plug-in unit, cross water PCT control high-voltage connection plug-in unit.It is corresponding in electric automobile high-voltage terminal box that compressor of air conditioner inputs plug-in unit
Compressor of air conditioner output inserter electrical connection, PTC controller input plug-in unit controlled with PCT corresponding in electric automobile high-voltage terminal box
Device output inserter electrical connection processed is crossed water PCT controller water PCT controller of crossing corresponding in electric automobile high-voltage terminal box and is exported
Plug-in unit electrical connection.
The first high-voltage interlocking of BMS circuit, including MSD and battery system major loop plug-in unit.MSD is the manual of electric car
Maintenance switch can quickly divide for protecting the safety of electric car maintenance personnel or strain burst event under hyperbaric environment
Connection from high-tension circuit makes maintenance work be in safer state.MSD is designed in battery system major loop, is needed
BMS the first high-voltage interlocking return line disconnects when disconnecting high pressure manually, then disconnects high tension loop again.Battery system major loop plug-in unit
It is electrically connected electric automobile high-voltage terminal box and inputs plug-in unit, power for high-voltage connecting wire box.
The second high-voltage interlocking of BMS circuit, including battery system fast charge plug-in unit.Battery system fast charge plug-in unit is to be arranged in battery
Plug-in unit in system, being electrically connected for the fast charge mouth with electric car.
OBC high-voltage interlocking circuit, including onboard charger (OBC&DCDC) output inserter.OBC&DCDC output inserter is electrically connected
Connect the trickle charge mouth of electric car.
Vehicle VCU, VCU by send vehicle driving control instruction control the specified torque of electric automobile motor output and
Revolving speed drives vehicle driving.VCU also has motor system fault diagnosis protection and store function, according to the various inputs of vehicle
Complete full-vehicle control.Vehicle VCU can be received or be detected each high-voltage interlocking circuit by way of wired or wireless telecommunications
High pressure disconnect, and use different safety measures to take into account height according to the difference in high-voltage interlocking circuit that high pressure disconnects occurs
Safety and driving functions are pressed, user experience is improved.In the present embodiment, the safety measure that vehicle VCU is used is as follows:
Vehicle VCU records fault message when detecting that interlocking disconnection occurs for the first high-voltage interlocking circuit VCU, according to speed
Vehicle is kept to continue to travel or cut off automotive power.Specifically in the present embodiment:
Vehicle is kept to continue to travel if current vehicle speed is greater than preset vehicle speed (for example, 5kph), but VCU no longer responds throttle
Driving, and gradually reduces motor target torque according to current time output torque, until speed lower than preset vehicle speed (for example,
5kph).
Automotive power is cut off if current vehicle speed is no more than preset vehicle speed (for example, being less than or equal to 5kph).
For example, the target torque of motor is gradually decrease to 0 in the present embodiment, car speed is reduced, is cut after speed is reduced to 0
Disconnected automotive power.The dynamical system of cutting vehicle, which refers to, cuts off high voltage power supply provided by battery system, in the present embodiment
VCU controls vehicle first and exits READY state, vehicle be in can not driving status, then forbid compressor of air conditioner, PCT controller,
The starting of water PCT controller is crossed, MCU is then turned off, finally by the positive relay of BMS cutting battery system.
Vehicle VCU records fault message when detecting that the second high-voltage interlocking circuit VCU sends interlocking disconnection, lights
Corresponding malfunction indicator lamp.
Vehicle VCU records fault message when detecting that interlocking disconnection occurs for the first high-voltage interlocking circuit BMS, lights
Corresponding malfunction indicator lamp, cutting automotive power.VCU controls vehicle first and exits READY state, vehicle in the present embodiment
In can not driving status, then forbid compressor of air conditioner, PCT controller, cross water PCT controller starting, be then turned off MCU, most
The positive relay of battery system is cut off by BMS afterwards.
Vehicle VCU detect the second high-voltage interlocking circuit BMS disconnect occur record fault message when interlocking disconnects,
Light corresponding malfunction indicator lamp, the fast charge cutting off and forbid vehicle charges.
Vehicle VCU records fault message when detecting that interlocking disconnection occurs for OBC high-voltage interlocking circuit, lights correspondence
Malfunction indicator lamp.
Vehicle VCU records fault message when detecting that interlocking disconnection occurs for MCU high-voltage interlocking circuit, lights correspondence
Malfunction indicator lamp, control vehicle enter limping mode.
Embodiment two
A kind of pure electric automobile, including high-voltage interlocking system described in embodiment one.
Although describing embodiments of the present invention, those of ordinary skill in the art can be in appended claims
Various deformations or amendments are made in range.
Claims (10)
1. pure electric automobile high-voltage interlocking system, which is characterized in that including;
The first high-voltage interlocking of VCU circuit, including MCU, onboard charger input plug-in unit, MCU high-voltage connection plug-in unit, onboard charger
High-voltage connection plug-in unit and high-voltage connecting wire box input plug-in unit；
The second high-voltage interlocking of VCU circuit, including compressor of air conditioner input plug-in unit and compressor of air conditioner high-voltage connection plug-in unit；
Vehicle VCU records fault message when detecting that interlocking disconnection occurs for the first high-voltage interlocking circuit VCU, according to vehicle
Speed keeps vehicle to continue to travel or cut off automotive power, is detecting that it is mutual that the second high-voltage interlocking circuit VCU is sent
Fault message is recorded when lock disconnects, lights corresponding malfunction indicator lamp.
2. pure electric automobile high-voltage interlocking system according to claim 1, which is characterized in that the vehicle VCU is being detected
When interlocking disconnection occurs to the first high-voltage interlocking circuit VCU:
Vehicle is kept to continue to travel if current vehicle speed is greater than preset vehicle speed；
Automotive power is cut off if current vehicle speed is no more than preset vehicle speed.
3. pure electric automobile high-voltage interlocking system according to claim 1, it is characterised in that:
Second high-voltage interlocking of VCU circuit further includes that PDC uncaps detection switch.
4. electric automobile high-voltage interlock system according to claim 1, it is characterised in that:
Second high-voltage interlocking of VCU circuit further includes PTC controller input plug-in unit and PCT control high-voltage connection plug-in unit.
5. electric automobile high-voltage interlock system according to claim 1, it is characterised in that:
Second high-voltage interlocking of VCU circuit further included that water PTC controller inputs plug-in unit and crosses water PCT controller high-voltage connection
Plug-in unit.
6. pure electric automobile high-voltage interlocking system according to claim 1, which is characterized in that further include:
The first high-voltage interlocking of BMS circuit, including MSD and battery system major loop plug-in unit；
The vehicle VCU records fault message, point when detecting that interlocking disconnection occurs for the first high-voltage interlocking circuit BMS
Bright corresponding malfunction indicator lamp, cutting automotive power.
7. pure electric automobile high-voltage interlocking system according to claim 1, which is characterized in that further include:
The second high-voltage interlocking of BMS circuit, including battery system fast charge plug-in unit；
Detecting that the second high-voltage interlocking circuit BMS disconnects record failure letter when interlocking disconnects occurs for the vehicle VCU
It ceases, the fast charge lighting corresponding malfunction indicator lamp, cut off and forbid vehicle charges.
8. pure electric automobile high-voltage interlocking system according to claim 1, which is characterized in that further include:
OBC high-voltage interlocking circuit, including onboard charger output inserter；
The vehicle VCU is detecting that OBC high-voltage interlocking circuit occurs record fault message when interlocking disconnects, lights pair
The malfunction indicator lamp answered.
9. pure electric automobile high-voltage interlocking system according to claim 1, which is characterized in that further include:
MCU high-voltage interlocking circuit, including driving motor；
The vehicle VCU is detecting that MCU high-voltage interlocking circuit occurs record fault message when interlocking disconnects, lights pair
The malfunction indicator lamp answered, control vehicle enter limping mode.
10. a kind of pure electric automobile characterized by comprising
High-voltage interlocking system of any of claims 1-9.
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| CN201910508655.2A CN110356236A (en) | 2019-06-13 | 2019-06-13 | The pure electric automobile of pure electric automobile high-voltage interlocking system and application the high-voltage interlocking system |
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| CN201910508655.2A CN110356236A (en) | 2019-06-13 | 2019-06-13 | The pure electric automobile of pure electric automobile high-voltage interlocking system and application the high-voltage interlocking system |
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Cited By (10)
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| CN112213624A (en) * | 2020-09-29 | 2021-01-12 | 奇瑞新能源汽车股份有限公司 | Test device and method for verifying interlocking function of high-voltage loop of electric automobile |
| CN112297849A (en) * | 2020-09-16 | 2021-02-02 | 东风汽车集团有限公司 | High-voltage safety system of fuel cell vehicle, fault diagnosis method and automobile |
| CN112721645A (en) * | 2021-01-28 | 2021-04-30 | 上海汽车集团股份有限公司 | High-voltage interlocking detection circuit and detection method for electric automobile |
| CN112776606A (en) * | 2021-02-22 | 2021-05-11 | 北京汽车集团越野车有限公司 | High-voltage interlocking loop and detection method and device thereof |
| CN113071320A (en) * | 2021-05-14 | 2021-07-06 | 奇瑞商用车（安徽）有限公司 | High-voltage interlocking system of electric automobile |
| WO2021244061A1 (en) * | 2020-06-02 | 2021-12-09 | 精进电动科技股份有限公司 | Inverter housing, and connecting structure for inverter and junction box |
| WO2022026263A1 (en) * | 2020-07-27 | 2022-02-03 | Caterpillar Inc. | Independent high voltage interlocking loop systems |
| CN114312318A (en) * | 2021-01-30 | 2022-04-12 | 华为数字能源技术有限公司 | High-voltage interlocking system, electric drive system, power assembly and electric vehicle |
| CN114506218A (en) * | 2022-01-06 | 2022-05-17 | 山东汽车制造有限公司 | Limping control method of electric automobile |
| EP4002596A1 (en) * | 2020-11-20 | 2022-05-25 | Aptiv Technologies Limited | Electrical connector |
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| CN112213624A (en) * | 2020-09-29 | 2021-01-12 | 奇瑞新能源汽车股份有限公司 | Test device and method for verifying interlocking function of high-voltage loop of electric automobile |
| CN112213624B (en) * | 2020-09-29 | 2022-06-21 | 奇瑞新能源汽车股份有限公司 | Test device and method for verifying interlocking function of high-voltage loop of electric automobile |
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| CN112721645A (en) * | 2021-01-28 | 2021-04-30 | 上海汽车集团股份有限公司 | High-voltage interlocking detection circuit and detection method for electric automobile |
| CN114312318A (en) * | 2021-01-30 | 2022-04-12 | 华为数字能源技术有限公司 | High-voltage interlocking system, electric drive system, power assembly and electric vehicle |
| CN112776606A (en) * | 2021-02-22 | 2021-05-11 | 北京汽车集团越野车有限公司 | High-voltage interlocking loop and detection method and device thereof |
| CN113071320A (en) * | 2021-05-14 | 2021-07-06 | 奇瑞商用车（安徽）有限公司 | High-voltage interlocking system of electric automobile |
| CN114506218A (en) * | 2022-01-06 | 2022-05-17 | 山东汽车制造有限公司 | Limping control method of electric automobile |
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Application publication date: 20191022 |