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Automatic failure detection system of automobile brake lamp and working method of automatic failure detection system

An automatic detection and brake light technology, applied in signal devices and other directions, can solve problems such as difficulty for drivers to find, and achieve the effects of avoiding traffic accidents, low power consumption, and strong real-time performance

Inactive Publication Date: 2016-08-17
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the brake lights of most middle and low-end cars do not have an automatic fault detection function. When the brake lights fail, it is difficult for the driver to find out. Therefore, it is necessary to invent a brake light fault automatic detection device and install it on the car. When working, the alarm light will automatically light up to remind the driver to repair and replace the brake light in time, so as to reduce the rear-end collision accident caused by the failure of the brake light

Method used

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  • Automatic failure detection system of automobile brake lamp and working method of automatic failure detection system
  • Automatic failure detection system of automobile brake lamp and working method of automatic failure detection system

Examples

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Embodiment 1

[0018] An automatic fault detection system for automobile brake lights according to the present invention, comprising: left and right brake light detection modules, the left and right brake light detection modules are suitable for detecting and responding to the operation of the left and right brake lights when the brakes are stepped on state.

[0019] Such as figure 1 As shown, the circuit structures of the left and right brake light detection modules are the same and both include: a current detection circuit for detecting the working current of the brake light, a voltage comparison circuit connected to the current detection circuit, and the voltage comparison circuit detects the current The output level of the circuit is compared with the reference voltage to obtain the fault judgment level, and the fault judgment level is connected to the fault display circuit to reflect the working status of the left and right brake lights.

[0020] Such as figure 2 As shown, specifical...

Embodiment 2

[0024] On the basis of Embodiment 1, the present invention also provides a working method of an automatic detection system for brake light failures of automobiles.

[0025] Wherein, the automatic detection system for automobile brake light failure includes: left and right brake light detection modules,

[0026] When the brake is stepped on, the left and right brake light detection modules are adapted to detect and respond to the working status of the left and right brake lights.

[0027] Further, the circuit structures of the left and right brake light detection modules are the same, and both include: a current detection circuit for detecting the working current of the brake light, a voltage comparison circuit connected to the current detection circuit, and the voltage comparison circuit. The output level is compared with the reference voltage to obtain the fault judgment level, and the fault judgment level is connected to the fault display circuit to reflect the working statu...

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Abstract

The invention relates to an automatic failure detection system of an automobile brake lamp and a working method of the automatic failure detection system. The automatic failure detection system of the automobile brake lampcomprises a left brake lamp detection module and a right brake lamp detection module, and the left brake lamp detection module and right brake lamp detection module are used for detecting and reflecting the working states of a left brake lamp and a right brake lamp when a brake is stepped. According to the automatic failure detection system of the automobile brake lamp and the working method of the automatic failure detection system, the brake lamps are detected one time every time the brake is stepped by means of the circuit structure with low power consumption; the advantages of high real-time capability and good reliability are achieved; and failures of the brake lamps can be found in time, so that traffic accidents caused by failures of the brake lamps are avoided.

Description

technical field [0001] The invention belongs to the technical field of automobile electronics, and in particular relates to an automatic detection system and working method for automobile brake lamp failures. Background technique [0002] Automobiles have become a means of transportation commonly used in people's daily lives. When an emergency occurs, drivers generally rely on visual signals (such as brake lights) to obtain warnings. Therefore, whether the brake lights are in good condition is one of the main measures to ensure driving safety. At present, the brake lights of most middle and low-end cars do not have an automatic fault detection function. When the brake lights fail, it is difficult for the driver to find out. Therefore, it is necessary to invent a brake light fault automatic detection device and install it on the car. When working, the alarm light will automatically light up to remind the driver to repair and replace the brake light in time, so as to reduce th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60Q11/00
CPCB60Q11/00
Inventor 章怡范鑫王海峰彭建业
Owner JIANGSU UNIV OF TECH