Accident data recording system, method and vehicle

Abstract

The invention provides an accident data recording system. The accident data recording system comprises a middle-distance radar device and a safety air bag electronic control unit. The safety air bag electronic control unit is provided with an accident data recording area. The accident data recording system further comprises a data channel. The middle-distance radar device is in communication connection with the safety air bag electronic control unit through the data channel. When a vehicle is collided, the safety air bag electronic control unit sends collision signals to the middle-distance radar device through the data channel, the middle-distance radar device obtains relative data information of the vehicle and a front vehicle in the collision process according to the collision signals, transmits the relative data information to the safety air bag electronic control unit through the data channel and stores the relative data information to the accident data recording area. The invention further provides an accident data recording method and the vehicle. Thus, technicians can conveniently analyze and judge collision accidents.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to an accident data recording system and method and a vehicle with the system. Background technique [0002] At present, vehicles are basically equipped with airbags and pretensioned seat belts. When the vehicle collides and the collision intensity exceeds a certain threshold, the airbag electronic control unit triggers the airbags and / or pretensioned seatbelts to protect users from Or to mitigate damage from vehicle collisions. However, under actual road conditions, the objects that the vehicle collides with and the relative speed and direction of the collision are very different from those in the laboratory. As a result, in many cases, after the vehicle collides, the user complains that the airbag is not triggered. , or the airbag is falsely triggered when the vehicle is not in a collision. [0003] Due to technical and component performance limitations, when a collision occurs...

AI Technical Summary

Problems solved by technology

Usually only the data information related to the vehicle in the collision process can be recorded, and the data information related to the vehicle is very difficult to analyze the scene of the accident or judge the responsibility of the accident. Personnel cannot make accurate judgments and analyzes and cannot solve the problem of user complaints, which also brings certain difficulties to the functional development of vehicle airbags

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