CN-122017482-A - Vehicle insulation detection method, device, equipment and storage medium

CN122017482ACN 122017482 ACN122017482 ACN 122017482ACN-122017482-A

Abstract

The application discloses a vehicle insulation detection method, a device, equipment and a storage medium. The method is applied to a vehicle machine end, the vehicle machine end is provided with an safety type trigger button, the vehicle machine end is connected with a battery management controller, the method comprises the steps of responding to a trigger signal of the An Guimo type trigger button to generate a safety type activation instruction of a vehicle, sending the safety type activation instruction of the vehicle to the battery management controller of the vehicle to enable the battery management controller to control the vehicle to enter an insulation detection working condition, wherein the insulation detection working condition is that a direct current charging socket pin of the vehicle is communicated with a high-voltage loop of the vehicle, an insulation detection function of the battery management controller is closed, and after the vehicle enters the insulation detection working condition, insulation detection starting information is generated and sent to an appointed object to prompt the appointed object to start external detection equipment to perform insulation detection on the vehicle. The method can realize insulation detection of different vehicle types without increasing the development cost of external detection equipment.

Inventors

GUO JIANHONG
WANG CHONGDI
XU GUANGMING

Assignees

广州汽车集团股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260116

Claims (10)

1. The vehicle insulation detection method is characterized by being applied to a vehicle terminal, wherein the vehicle terminal is provided with an safety-scale trigger key, and is connected with a battery management controller, and the method comprises the following steps: Responding to the trigger signal of the safety-scale trigger key to generate a safety-scale activation instruction of the vehicle; The method comprises the steps of sending an safety-scale activation instruction of the vehicle to a battery management controller of the vehicle so that the battery management controller controls the vehicle to enter an insulation detection working condition, wherein the insulation detection working condition is that a direct current charging socket pin of the vehicle is communicated with a high-voltage loop of the vehicle, and an insulation detection function of the battery management controller is closed; After the vehicle enters the insulation detection working condition, insulation detection starting information is generated and sent to an appointed object, so that the appointed object is prompted to start external detection equipment to perform insulation detection on the vehicle.
2. The method of claim 1, wherein said causing the battery management controller to control the vehicle into an insulation detection condition comprises: controlling the battery management controller to respond to an safety-scale activation instruction of the vehicle, and determining direct-current charging starting logic corresponding to the vehicle; and controlling the battery management controller to be communicated with the high-voltage loop of the vehicle according to the direct-current charging starting logic, and closing the insulation detection function of the battery management controller so as to enable the vehicle to enter an insulation detection working condition.
3. The method of claim 2, wherein said controlling the battery management controller to communicate the high voltage circuit of the vehicle according to the dc charge initiation logic comprises: The battery management controller is controlled to determine a relay on the high-voltage loop and a communication sequence of the relay on the high-voltage loop according to the direct-current charging starting logic; And controlling the battery management controller to sequentially close the relays according to the communication sequence.
4. The method according to claim 1, wherein the method further comprises: responding to a closing signal of the safety type trigger key to generate a safety type closing instruction of the vehicle; And sending the safety-scale closing instruction of the vehicle to a battery management controller of the vehicle so that the battery management controller controls the vehicle to exit the insulation detection working condition.
5. The method of claim 4, wherein the causing the battery management controller to control the vehicle to exit an insulation detection condition comprises: controlling the battery management controller to respond to an safety-scale closing instruction of the vehicle, and determining direct-current charging termination logic corresponding to the vehicle; And controlling the battery management controller to disconnect a high-voltage loop of the vehicle according to the direct-current charging termination logic, and activating an insulation detection function of the battery management controller so as to enable the vehicle to exit an insulation detection working condition.
6. The method of claim 5, wherein the controlling the battery management controller to disconnect the high voltage circuit of the vehicle according to the dc charge termination logic comprises: Controlling the battery management controller to determine a relay on the high-voltage loop and a disconnection sequence of the relay on the high-voltage loop according to the direct-current charging termination logic; and controlling the battery management controller to sequentially disconnect the relays according to the disconnection sequence.
7. The method according to claim 1, wherein the external detection device is connected to the vehicle, and wherein the external detection device is configured to output a detection voltage to a high-voltage circuit of the vehicle in response to an insulation detection start signal triggered by a specified object after the insulation detection start information is generated, determine an insulation resistance value of the high-voltage circuit based on the detection voltage, and determine an insulation detection result of the vehicle based on the insulation resistance value.
8. The utility model provides a vehicle insulation detection device, its characterized in that is applied to the car machine end, the car machine end is provided with the scale formula of ann and triggers the button, car machine end is connected with battery management controller, the device includes: the safety-scale activation instruction generation module is used for responding to the trigger signal of the safety-scale trigger key to generate a safety-scale activation instruction of the vehicle; The system comprises a safety type activation instruction sending module, a safety type activation instruction sending module and a battery management controller, wherein the safety type activation instruction sending module is used for sending the safety type activation instruction of the vehicle to the battery management controller of the vehicle so that the battery management controller can control the vehicle to enter an insulation detection working condition, the insulation detection working condition is that a direct current charging socket pin of the vehicle is communicated with a high-voltage loop of the vehicle, and an insulation detection function of the battery management controller is closed; And the insulation detection starting information generating module is used for generating insulation detection starting information and sending the insulation detection starting information to a specified object after the vehicle enters the insulation detection working condition so as to prompt the specified object to start external detection equipment to perform insulation detection on the vehicle.
9. An electronic device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, which program or instruction when executed by the processor implements the steps of the vehicle insulation detection method as claimed in claims 1-7.
10. A readable storage medium, characterized in that the readable storage medium has stored thereon a program or instructions which, when executed by a processor, implement the steps of the vehicle insulation detection method according to claims 1-7.

Description

Vehicle insulation detection method, device, equipment and storage medium Technical Field The application relates to the field of whole vehicle offline detection, in particular to a vehicle insulation detection method and device, electronic equipment and a storage medium. Background When the whole assembly vehicle is taken off line, insulation detection needs to be carried out on a high-voltage system loop of the whole assembly vehicle in order to prevent personnel from electric shock and high-voltage components from being damaged. Because the high-voltage system is an independent and closed circuit after the whole vehicle is assembled, the insulation detection of the high-voltage system loop of the whole vehicle cannot be directly carried out from the outside, and special external detection equipment is generally used for the insulation detection of the high-voltage loop in the related technology. However, the use of such a detection method requires additional development of related diagnostic communication functions in an external detection device, and since diagnostic instructions of different vehicle types may be inconsistent, the detection device also requires additional development of functions for identifying the vehicle type, thereby resulting in a significant increase in detection cost. Therefore, how to realize the insulation detection requirements of various different vehicle types without consuming a large amount of detection cost becomes a problem to be solved urgently. Disclosure of Invention The embodiment of the application aims to provide a vehicle insulation detection method, device, equipment and storage medium, which can solve or at least partially solve the problem that a large amount of detection cost is consumed for developing detection equipment in order to meet insulation detection requirements of different vehicle types in the related art. In order to solve the technical problems, the application is realized as follows: in a first aspect, an embodiment of the present application provides a vehicle insulation detection method, applied to a vehicle terminal, where the vehicle terminal is provided with an safety-scale trigger key, and the vehicle terminal is connected with a battery management controller, the method includes: Responding to the trigger signal of the safety-scale trigger key to generate a safety-scale activation instruction of the vehicle; The method comprises the steps of sending an safety-scale activation instruction of the vehicle to a battery management controller of the vehicle so that the battery management controller controls the vehicle to enter an insulation detection working condition, wherein the insulation detection working condition is that a direct current charging socket pin of the vehicle is communicated with a high-voltage loop of the vehicle, and an insulation detection function of the battery management controller is closed; After the vehicle enters the insulation detection working condition, insulation detection starting information is generated and sent to an appointed object, so that the appointed object is prompted to start external detection equipment to perform insulation detection on the vehicle. Optionally, the causing the battery management controller to control the vehicle to enter an insulation detection condition includes: controlling the battery management controller to respond to an safety-scale activation instruction of the vehicle, and determining direct-current charging starting logic corresponding to the vehicle; and controlling the battery management controller to be communicated with the high-voltage loop of the vehicle according to the direct-current charging starting logic, and closing the insulation detection function of the battery management controller so as to enable the vehicle to enter an insulation detection working condition. Optionally, the controlling the battery management controller to communicate the high voltage loop of the vehicle according to the dc charging start logic includes: The battery management controller is controlled to determine a relay on the high-voltage loop and a communication sequence of the relay on the high-voltage loop according to the direct-current charging starting logic; And controlling the battery management controller to sequentially close the relays according to the communication sequence. Optionally, the method further comprises: responding to a closing signal of the safety type trigger key to generate a safety type closing instruction of the vehicle; And sending the safety-scale closing instruction of the vehicle to a battery management controller of the vehicle so that the battery management controller controls the vehicle to exit the insulation detection working condition. Optionally, the causing the battery management controller to control the vehicle to exit the insulation detection condition includes: controlling the battery management controller to respond to an safety-scale closi