CN215751946U - Pure electric vehicles fault handling system - Google Patents
Pure electric vehicles fault handling system Download PDFInfo
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- CN215751946U CN215751946U CN202121841957.0U CN202121841957U CN215751946U CN 215751946 U CN215751946 U CN 215751946U CN 202121841957 U CN202121841957 U CN 202121841957U CN 215751946 U CN215751946 U CN 215751946U
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The utility model relates to the technical field of automobile control, and provides a pure electric automobile fault processing system, which comprises: and the vehicle controller unit is in communication connection with the vehicle controller, and the vehicle controller is in communication connection with the processing unit. The vehicle controller unit sends a fault identification and fault grade information to the whole vehicle controller when the vehicle controller unit has a fault or a corresponding system fault, if the highest fault grade exists or the number of faults between a first set fault grade and the highest fault grade reaches a quantity set value I, the vehicle controller unit controls the processing unit to send an alarm of the highest grade, if the number of faults between a second set fault grade and the first set fault grade reaches a quantity set value II, the vehicle controller unit sends an alarm of the next highest grade, and if only the faults lower than the second set fault grade exist, the vehicle controller unit sends an alarm of the next lower grade. And comprehensively alarming the fault level sent by the vehicle control unit, and considering the safety of the vehicle as a whole.
Description
Technical Field
The utility model relates to the technical field of automobile safety control, and provides a fault processing system for a pure electric automobile.
Background
With the social development and the increase of the attention on technical progress and energy safety in all countries in the world under the macroscopic background, the internal combustion engine is gradually replaced by a power system of other energy sources in the field of road traffic, and the internal combustion engine brings good opportunity for development of an electric technology new energy automobile. And the number of controllers on the new energy automobile is large, so that the types of possible faults are more, and therefore, a corresponding early warning scheme is difficult to make for each type of fault. In order to ensure the safety of the whole vehicle more effectively, the whole vehicle controller needs to manage the faults of each controller in a centralized manner and evaluate the possible problems of each fault.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pure electric vehicle fault processing system which comprehensively alarms fault levels sent by vehicle controller units and considers the safety of vehicles on the whole.
The utility model is realized in this way, a pure electric vehicle fault handling system, the system includes:
and all the vehicle controller units are in communication connection with the vehicle control unit through a CAN network, and the vehicle control unit is in communication connection with the processing unit.
Further, the processing unit includes:
and the high-voltage relay on the high-voltage circuit is in communication connection with the vehicle control unit.
The motor controller MCU is in communication connection with the whole vehicle controller;
and the combination instrument is in communication connection with the whole vehicle.
Further, the system further comprises:
and the central control display screen is in communication connection with the vehicle control unit.
Further, the plurality of vehicle controller units includes:
the system comprises a battery management system BMS, a motor controller MCU, a DCDC controller, an ABS anti-lock braking system, an OBC controller, an ESP controller and a power steering controller.
And comprehensively alarming the fault levels sent by the vehicle control unit, integrally considering the safety of the vehicle, and performing corresponding level handling aiming at the alarms of different levels.
Drawings
Fig. 1 is a schematic structural diagram of a pure electric vehicle fault handling system provided in an embodiment of the present invention.
Detailed Description
The following description of preferred embodiments of the utility model will be made in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a pure electric vehicle fault handling system according to an embodiment of the present invention, and for convenience of description, only parts related to the embodiment of the present invention are shown.
The system comprises:
and all the vehicle controller units are in communication connection with the vehicle control unit through a CAN network, and the vehicle control unit is in communication connection with the processing unit.
When the vehicle controller unit has a fault or a corresponding system fault, each vehicle controller unit sends fault identification and fault grade information to the whole vehicle controller through the CAN network, wherein the higher the fault grade is, the more serious the fault is, and otherwise, the lower the fault grade is, the lighter the fault is; if the highest fault level exists or the fault number between the first set fault level and the highest fault level reaches a number set value I, the control processing unit sends out an alarm of the highest level, if the fault number between the second set fault level and the first set fault level reaches a number set value II, the control processing unit sends out an alarm of the next highest level, and if only faults lower than the second set fault level exist, the control processing unit sends out an alarm of the low level, wherein the first set fault level is higher than the second set fault level.
In an embodiment of the present invention, a plurality of vehicle controller units includes: the system comprises a battery management system BMS, a motor controller MCU, a DCDC controller, an ABS anti-lock braking system, an OBC controller, an ESP controller and a power steering controller.
In an embodiment of the present invention, a processing unit includes: the high-voltage relay is arranged on the high-voltage circuit and is in communication connection with the vehicle control unit; the high-voltage relay is closed, the power battery discharges at high voltage, the high-voltage relay is disconnected, the power battery stops discharging at high voltage, namely, the high voltage is disconnected, and when the processing unit sends out the alarm at the highest level, the high-voltage relay is controlled to be disconnected.
In an embodiment of the present invention, the processing unit further includes: and when the processing unit sends an alarm of a second high level, the battery controller MCU limits the maximum output torque of the motor and performs speed reduction processing on the vehicle.
In an embodiment of the present invention, the processing unit further includes: and the combination instrument is in communication connection with the vehicle control unit and sends out corresponding reminding when the processing unit sends out the alarm of the lowest level.
The method comprises the following steps of assuming that the highest fault grade is a fault grade VI, the first set fault grade is a fault grade V, the number set value I is three, the second set fault grade is a fault grade III, and the number threshold value is four; when the vehicle control unit detects that faults of a fault level VI exist or the number of the faults of a fault level V reaches three, the high-voltage relay is controlled to be closed, high-voltage power supply is cut off, if the number of the faults of a fault level III reaches four, the maximum output torque of the motor is controlled, the speed of the vehicle is limited, and if the faults of a fault level lower than the fault level III are detected, a fault prompt is sent out through the combination instrument.
In an embodiment of the present invention, the system for processing a fault of an electric vehicle further includes: the central control display screen is in communication connection with the whole vehicle controller; and the control center display screen displays the fault identification and the fault grade reported by each vehicle fault unit.
And comprehensively alarming the fault levels sent by the vehicle control unit, integrally considering the safety of the vehicle, and performing corresponding level handling aiming at the alarms of different levels.
It is clear that the specific implementation of the utility model is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the utility model.
Claims (4)
1. A pure electric vehicle fault handling system, characterized in that, the system includes:
and all the vehicle controller units are in communication connection with the vehicle control unit through a CAN network, and the vehicle control unit is in communication connection with the processing unit.
2. The blade electric vehicle fault handling system of claim 1, wherein the processing unit comprises:
a high-voltage relay on the high-voltage circuit is in communication connection with the vehicle control unit,
the motor controller MCU is in communication connection with the whole vehicle controller;
and the combination instrument is in communication connection with the whole vehicle.
3. The blade electric vehicle fault handling system of claim 1, wherein the system further comprises:
and the central control display screen is in communication connection with the vehicle control unit.
4. The blade electric vehicle fault handling system of claim 1, wherein the plurality of vehicle controller units comprises:
the system comprises a battery management system BMS, a motor controller MCU, a DCDC controller, an ABS anti-lock braking system, an OBC controller, an ESP controller and a power steering controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841957.0U CN215751946U (en) | 2021-08-06 | 2021-08-06 | Pure electric vehicles fault handling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841957.0U CN215751946U (en) | 2021-08-06 | 2021-08-06 | Pure electric vehicles fault handling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215751946U true CN215751946U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121841957.0U Active CN215751946U (en) | 2021-08-06 | 2021-08-06 | Pure electric vehicles fault handling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215751946U (en) |
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2021
- 2021-08-06 CN CN202121841957.0U patent/CN215751946U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230426 Address after: Floor 18, Building 13, Science and Technology Industrial Park, No. 717 Zhongshan South Road, Wuhu High tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province, 241000 Patentee after: Wuhu Tairui Automobile Co.,Ltd. Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. |