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Vehicle door opening early warning system and safety protection method thereof

A door opening warning and vehicle technology, applied in signal devices and other directions, can solve problems such as collision accidents, achieve the effect of reducing collision accidents and improving effectiveness

Active Publication Date: 2016-02-17
TIANJIN BODUN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical feature described in this patented technology helps prevent accidental collisions between drivers or passenger doors during rush hours without requiring them to open their windows manually. This improves safety measures while still providing effective notification when needed.

Problems solved by technology

This patented technical problem addressed in this patents relates to improper use of automatic safety systems on cars during inclement weather conditions due to accidental impacts from doors closing at night time after rain falls down. These issues can lead to serious injury or loss of life if left unattended overnight without noticeable signs like flashings or blinking light signals.

Method used

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  • Vehicle door opening early warning system and safety protection method thereof
  • Vehicle door opening early warning system and safety protection method thereof

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Embodiment Construction

[0029] The present invention will be described in detail below according to the accompanying drawings, which is a preferred embodiment of various embodiments of the present invention.

[0030] In a preferred embodiment, the system starts from the analysis of actual application scenarios, and delays the unlocking of the door lock to prevent the opened door from colliding with the approaching vehicle behind it. The system collects the vehicle speed signal to determine whether the vehicle is in a stopped state; the system confirms that the door lock is in the open or closed state by collecting the door lock state switch signal. This system uses Doppler millimeter-wave radar to detect vehicles approaching targets at the left and right rear and directly behind. When the vehicle is stopped and the driver toggles the door lock unlock switch, BCM will not unlock the door lock temporarily after receiving the door lock unlock command. At the same time, the door lock unlock command will be ...

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Abstract

The invention relates to a vehicle door opening early warning system and a safety protection method thereof. A Doppler millimeter-wave radar is adopted for detecting an approaching moving object within a certain area range behind a vehicle. After the vehicle is stopped and a door lock opening instruction is received, a warning function of the system is started, and meanwhile a control instruction for delaying lock opening is sent to a BCM through CAN communication to delay lock opening. If it is detected that an approaching moving target enters a warning area, the system reminds a driver or a passenger of danger first through an LED installed at the position of a door handle in the vehicle; when the driver or the passenger toggles the door handle and intends to open a vehicle door, the system reminds the driver or the passenger of the danger through a buzzer arranged in an instrument, a door lock is in a non-opened state at the movement, and the driver or the passenger can not open the vehicle door when pulling the door handle for the first time. Thus, the probability of traffic accidents caused by opening the vehicle door is effectively lowered.

Description

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Claims

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Application Information

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Owner TIANJIN BODUN ELECTRONICS
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