Method and device for opening rear door

Abstract

The present invention proposes a method and device for opening a rear door, wherein the method includes: transmitting a first infrared signal outward through each infrared emitter in the infrared emission array; wherein, the infrared emitters in the infrared emission array are arranged at equal intervals On a horizontal line; each infrared receiver in the infrared receiving array receives the second infrared signal returned after the corresponding first infrared signal is irradiated on the obstacle; wherein, each infrared receiver corresponds to an infrared emitter; according to The change trend of each second infrared signal is used to judge whether the kick action sent by the user is valid; when it is judged that the kick action is valid, the back door is controlled to be opened. This method detects the kicking action of the user through the infrared emitter and the infrared receiver. Since the infrared emitter and the infrared receiver are not affected by changes in the external environment, the accuracy of the signal received by the infrared receiver can be ensured, thereby avoiding false activation of the back The door ensures the safety of the user's car.

Description

technical field [0001] The invention relates to the technical field of vehicle control, in particular to a method and device for opening a rear door. Background technique [0002] With the continuous development of vehicle control technology, users have higher and higher requirements for the intelligence of vehicles. Intelligent vehicles that integrate functions such as environmental perception and multi-level assistance have emerged as the times require, and the rear door sensor opening system has also entered the stage of intelligent vehicles under the needs of this large environment. [0003] In the prior art, the opening of the back door is controlled through the method of inductively opening the back door. For example, a user may open the tailgate by making a kicking motion near the tailgate. Since the inductive opening method of the back door adopts a capacitive sensor to detect the user's kicking action, and the capacitive sensor is easily affected by the external e...

AI Technical Summary

Problems solved by technology

[0005] For this reason, the first purpose of the present invention is to propose a method for opening the back door, so as to detect the user's kicking action through the infrared transmitter and infrared receiver, because the infrared transmitter and infrared receiver are not affected by external environment changes. influence, so as to ensure the accuracy of the signal received by the infrared receiver, thereby avoiding false activation of the back door, and ensuring the safety of the user's car. The back door induction opening method uses a capacitive sensor to detect the user's kicking action, and the capacitive sensor is easily affected by the external environment, and the back door may be accidentally opened, thereby reducing the technical problem of the user's car safety

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