Video starting method of automobile data recorder, automobile data recorder, program and medium

Abstract

The invention discloses a video starting method of an automobile data recorder, the automobile data recorder, a program and a medium. The method comprises the following steps: after a vehicle flames out, current ultrasonic data of an ultrasonic sensor and decibel data of a decibel tester are obtained; and if it is judged that there is a moving obstacle in a preset range and the decibel data is larger than a preset decibel threshold based on the ultrasonic data, the video recording function of the automobile data recorder is started. According to the invention, on the basis of ensuring effective recording of abnormal states by the automobile data recorder, the power consumption of video recording by the automobile data recorder after parking and flame-out of the vehicle is reduced.

Description

technical field [0001] The invention relates to the field of automobile driving, in particular to a method for starting video recording of a driving recorder, a driving recorder, a program and a medium. Background technique [0002] Most of the existing driving recorders are equipped with parking detection and recording functions, which start the detection function after the vehicle stops and the engine is turned off. The current technology mainly uses the lens of the driving recorder to shoot in preview mode or in a frame-down mode, and detects other vehicles. Whether there is a change in the captured picture determines whether to start recording. [0003] For example, the current driving recorder lens consumes about 300 milliamps (mA) in preview mode, and the built-in batteries of commercially available driving recorders are generally only a few hundred to nearly a thousand milliampere hours (mAh), about Only lasts for 1 to 3 hours. However, generally speaking, the user ...

AI Technical Summary

Problems solved by technology

However, generally speaking, the user may park the vehicle for more than 8 hours. In this way, after 1 to 3 hours, the driving recorder will no longer be able to provide the video recording function, which will cause the video screen to be unable to be used when the situation occurs. as evidence; in addition, if the driving recorder is connected to the power supply of the vehicle body, the power supply of the vehicle body may be exhausted so that the vehicle cannot be started; the application number is 201710487810.8 which discloses a way to start parking video recording, by detecting Measure the illuminance and obtain the illuminance value, and then start the recording module according to the change of the two illuminance exceeding the preset threshold value; but the way of judging the light intensity is not suitable for all parking scenes, for example, in the daytime, the change of the light intensity may not be large, It is difficult to turn on the video recording function in time when the situation occurs, resulting in the driving recorder not recording key information as evidence

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