CN-121973720-A - Safety control method, device, equipment and medium for new energy vehicle

CN121973720ACN 121973720 ACN121973720 ACN 121973720ACN-121973720-A

Abstract

The application discloses a safety control method, device, equipment and medium of a new energy vehicle, wherein the safety control method comprises the steps of obtaining a vehicle state signal of a target vehicle, wherein the vehicle state signal comprises a collision early warning signal, a vehicle posture signal, a steering angle signal, a rear obstacle alarm signal, a vehicle door pressure signal, a vehicle driving state signal and a power supply state signal, determining the collision scene type of the target vehicle according to the vehicle state signal, wherein the collision scene type comprises a rear collision scene, a side collision scene, a collision offset scene, a steering sideslip scene and a vehicle dumping scene, triggering a safety control action according to the collision scene type, and the safety control action comprises at least one of a vehicle door unlocking action, a steering lamp flashing action, an audible and visual alarm action and a downward high-voltage action. The application solves the problem that the prior art cannot adopt a targeted safety control method aiming at different collision scenes.

Inventors

ZHANG SHUAI
Tian Yunli
HU WEI
LI XIAOJIA
XIE DINGDONG
CHEN YUNJUN
YANG JIARUI
WANG MAO
LIU ZHAO
LI BIN
Gu Gui
MA ZHAOCHEN
OU LINQU
SONG FANGHUI
LIU YUPING
ZHANG LIWEN

Assignees

徐州徐工汽车制造有限公司

Dates

Publication Date: 20260505
Application Date: 20260325

Claims (10)

1. A safety control method of a new energy vehicle, characterized by comprising: Acquiring a vehicle state signal of a target vehicle, wherein the vehicle state signal comprises a collision early warning signal, a vehicle posture signal, a steering angle signal, a rear obstacle alarm signal, a vehicle door pressure signal, a vehicle running state signal and a power supply state signal; Determining a collision scene type of the target vehicle according to the vehicle state signal, wherein the collision scene type comprises a rear collision scene, a side collision scene, a collision offset scene, a steering sideslip scene and a vehicle dumping scene; triggering a safety control action according to the collision scene type, wherein the safety control action comprises at least one of a car door unlocking action, a steering lamp flashing action, an audible and visual alarm action and a high-pressure descending action.
2. The safety control method of the new energy vehicle according to claim 1, characterized in that the determining the collision scene type of the target vehicle from the vehicle state signal includes: determining that the collision scene type of the target vehicle is a rear collision scene under the condition that the vehicle state signal meets a first preset condition; The first preset condition comprises that the power state signal is an ON gear signal, the collision early warning signal is a rear collision warning signal, the rear obstacle warning signal is a rear short-distance warning signal, and the vehicle running state signal is a non-P gear signal and the vehicle speed is not 0 signal.
3. The safety control method of the new energy vehicle according to claim 1, characterized in that the determining the collision scene type of the target vehicle from the vehicle state signal further includes: Determining that the collision scene type of the target vehicle is a side collision scene under the condition that the vehicle state signal meets a second preset condition; the second preset condition comprises that the power state signal is an ON gear signal, the collision early warning signal is a side collision warning signal, and the vehicle door pressure signal is a pressure effective signal.
4. The safety control method of the new energy vehicle according to claim 1, characterized in that the determining the collision scene type of the target vehicle from the vehicle state signal further includes: determining that the collision scene type of the target vehicle is a collision offset scene if the vehicle state signal meets a third preset condition; The third preset condition comprises that the power state signal is an ON gear signal, the collision early warning signal is a collision warning signal, the vehicle posture signal is a posture deviation signal, the steering angle signal is a no-large-amplitude steering signal, the vehicle door pressure signal is a pressure invalidation signal, and the vehicle running state signal is a non-P gear signal and the vehicle speed is not 0.
5. The safety control method of the new energy vehicle according to claim 1, characterized in that the determining the collision scene type of the target vehicle from the vehicle state signal further includes: determining that the collision scene type of the target vehicle is a steering sideslip scene under the condition that the vehicle state signal meets a fourth preset condition; The fourth preset condition comprises that the power state signal is an ON gear signal, the collision early warning signal is a collision-free warning signal, the vehicle posture signal is a posture deviation signal, the steering angle signal is a large-scale steering signal, the vehicle door pressure signal is a pressure invalidation signal, and the vehicle running state signal is a non-P gear signal and the vehicle speed is not 0.
6. The safety control method of the new energy vehicle according to claim 1, characterized in that the determining the collision scene type of the target vehicle from the vehicle state signal further includes: determining that the collision scene type of the target vehicle is a vehicle dump scene if the vehicle state signal meets a fifth preset condition; the fifth preset condition comprises that the power state signal is an ON gear signal, the collision early warning signal is a collision-free warning signal, the vehicle posture signal is a posture deviation signal, the steering angle signal is a large-amplitude steering signal, the vehicle door pressure signal is a pressure effective signal, and the vehicle running state signal is a non-P gear signal and the vehicle speed is not 0.
7. The safety control method of the new energy vehicle according to claim 1, wherein the triggering of the safety control action according to the collision scene type includes: Triggering the vehicle door unlocking action and the turn light flashing action under the condition that the collision scene type is the rear collision scene; triggering the vehicle door unlocking action and the turn light flashing action under the condition that the collision scene type is the side collision scene; triggering the vehicle door unlocking action and the turn light flashing action when the collision scene type is the collision offset scene, and triggering the low-high-voltage action when the vehicle state signal meets a sixth preset condition; triggering the audible and visual alarm action under the condition that the collision scene type is the steering sideslip scene; Triggering the vehicle door unlocking action and the turn signal flashing action when the collision scene type is the vehicle dumping scene, triggering the audible and visual alarm action when a vehicle state signal meets a seventh preset condition, and triggering the low-high-voltage action when the vehicle state signal meets a sixth preset condition; The sixth preset condition includes that the vehicle running state signal is a vehicle speed 0 signal, and the seventh preset condition includes that the collision early warning signal is a camera abnormal signal.
8. A safety control device for a new energy vehicle, comprising: The system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring vehicle state signals of a target vehicle, wherein the vehicle state signals comprise collision early warning signals, vehicle attitude signals, steering angle signals, rear obstacle alarm signals, vehicle door pressure signals, vehicle running state signals and power supply state signals; the determining module is used for determining the collision scene type of the target vehicle according to the vehicle state signal, wherein the collision scene type comprises a rear collision scene, a side collision scene, a collision offset scene, a steering sideslip scene and a vehicle dumping scene; The control module is used for triggering safety control actions according to the collision scene type, wherein the safety control actions comprise at least one of a car door unlocking action, a steering lamp flashing action, an audible and visual alarm action and a high-pressure descending action.
9. An electronic device, comprising: A memory for storing a computer program; a processor for implementing the safety control method of the new energy vehicle according to any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, in which a computer-executable program is stored, which when loaded and executed by a processor, implements the safety control method of a new energy vehicle according to any one of claims 1 to 7.

Description

Safety control method, device, equipment and medium for new energy vehicle Technical Field The application relates to the technical field of new energy vehicles, in particular to a safety control method, a safety control device, safety control equipment and safety control medium of a new energy vehicle. Background The new energy commercial vehicle is rapidly popularized in urban logistics, port transportation, engineering operation and other scenes, and the high-voltage power battery and the complex electric control framework form standard distribution. When a collision accident occurs to the new energy commercial vehicle, safety measures are required to be taken in time to ensure the safety of passengers. In the prior art, a new energy commercial vehicle usually adopts a safety control measure after collision, for example, the vehicle door is uniformly triggered to unlock after collision or a high-voltage power supply is uniformly cut off. However, the type of collision accident varies, as does the state and safety risk of the vehicle. The adoption of uniform safety control measures can lead to the situation of excessive control or insufficient control when facing different collision scenes, and influence the escape and rescue efficiency of passengers. Disclosure of Invention The application aims to provide a safety control method, a safety control device, safety control equipment and safety control media for a new energy vehicle, and aims to solve the problem that a targeted safety control method cannot be adopted for different collision scenes in the prior art. In order to solve the technical problems, the application is realized by adopting the following technical scheme: In a first aspect, the present application provides a safety control method for a new energy vehicle, the safety control method including: Acquiring a vehicle state signal of a target vehicle, wherein the vehicle state signal comprises a collision early warning signal, a vehicle posture signal, a steering angle signal, a rear obstacle alarm signal, a vehicle door pressure signal, a vehicle running state signal and a power supply state signal; determining a collision scene type of a target vehicle according to the vehicle state signal, wherein the collision scene type comprises a rear collision scene, a side collision scene, a collision offset scene, a steering sideslip scene and a vehicle dumping scene; triggering a safety control action according to the collision scene type, wherein the safety control action comprises at least one of a car door unlocking action, a steering lamp flashing action, an audible and visual alarm action and a high-pressure descending action. Further, determining a collision scenario type of the target vehicle according to the vehicle status signal includes: determining that the collision scene type of the target vehicle is a rear collision scene under the condition that the vehicle state signal meets a first preset condition; The first preset condition comprises that the power state signal is an ON gear signal, the collision early warning signal is a rear collision warning signal, the rear obstacle warning signal is a rear short-distance warning signal, the vehicle running state signal is a non-P gear signal and the vehicle speed is not 0. Further, determining a collision scenario type of the target vehicle according to the vehicle status signal includes: under the condition that the vehicle state signal meets a second preset condition, determining that the collision scene type of the target vehicle is a side collision scene; the second preset condition comprises that the power state signal is an ON gear signal, the collision early warning signal is a side collision warning signal, and the vehicle door pressure signal is a pressure effective signal. Further, determining a collision scenario type of the target vehicle according to the vehicle status signal includes: Determining that the collision scene type of the target vehicle is a collision offset scene under the condition that the vehicle state signal meets a third preset condition; The third preset condition comprises that the power state signal is an ON gear signal, the collision early warning signal is a collision warning signal, the vehicle posture signal is a posture deviation signal, the steering angle signal is a no-large-amplitude steering signal, the vehicle door pressure signal is a pressure invalidation signal, the vehicle running state signal is a non-P gear signal and the vehicle speed is not 0 signal. Further, determining a collision scenario type of the target vehicle according to the vehicle status signal includes: Under the condition that the vehicle state signal meets a fourth preset condition, determining that the collision scene type of the target vehicle is a steering sideslip scene; The fourth preset condition comprises that the power state signal is an ON gear signal, the collision early warning signal is a collision-free warning sig