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Prewarning system and method for prevening rear and collision on expressway

A technology of expressway and early warning system, applied in anti-collision system, road vehicle traffic control system, traffic control system, etc., can solve problems such as serial collisions, achieve the effects of preventing serial collisions, improving operating efficiency, and reducing costs

Inactive Publication Date: 2002-11-27
NANJING C3I ELECTRONICS SYST ENG
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

The system solves various defects of the existing expressway traffic safety monitoring technology at a relatively low cost, prevents rear-end collision accidents on the expressway, especially avoids the problem of serial collisions under bad weather conditions, and can monitor all vehicles on the entire line Real-time monitoring of driving conditions, improving the safety level of highway driving, reducing the number of highway closures due to bad weather, and improving the smooth flow rate

Method used

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  • Prewarning system and method for prevening rear and collision on expressway
  • Prewarning system and method for prevening rear and collision on expressway

Examples

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Embodiment Construction

[0041] A section of the one-way road surface is used to illustrate the layout of equipment and the connection relationship between them. In the figure, CP central processing unit, DL detection line, L1 data transmission line, L2 power supply line, the arrow is the driving direction. All detection lines are connected with the central processing unit through data transmission lines. The AC power supply of the detection line can be accessed from the highway service area and the entrance and exit of the highway. Take the i-2, i-1, i, i+1, i+2 detection lines DLi-2, DLi-1, DLi, DLi+1, DLi+2 as examples to illustrate the position and interconnection of each detection line relation.

[0042] The block diagram shows the connection relationship of the three components of the detection line and the basic components of the road terminal. The core microcontroller of the road terminal is connected to the outside through the I / O (input / output) circuit. Different data transmission circui...

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Abstract

A prewarning system for preventing the follow-behind chase collision on expressway is composed of a central processing unit CP and detecting lines DL which consist of microwave detector, road terminal and warning indicator, the said detecting lines are installed at the inner roadside of bidirectional lanes at intervals and is connected to the CP via data transmission line. Its method features that the information about the passed vehicles is sensed by the microwave detector, and the signal from the said detector and the information from the detecting lines are processed by road terminal for generating traffic signals.

Description

1. Technical field [0001] The invention belongs to an expressway driving safety monitoring system. Especially in the case of poor visibility due to bad weather such as dense fog and heavy rain, it can effectively prevent the occurrence of major vicious accidents caused by multiple vehicle serial collisions, and can effectively monitor the driving safety of all vehicles throughout the road. 2. Background technology [0002] Nowadays, there are often reports of major vicious traffic accidents such as multi-vehicle serial collisions on expressways at home and abroad, and how to prevent such accidents has attracted widespread attention. For this reason, monitoring system has all been installed on expressway usually, but rear-end collision accident still occurs from time to time, especially in severe weather such as heavy fog, the occurrence rate is higher, and all countries in the world have not effectively solved it. Many solutions have been proposed for highway traffic safety...

Claims

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Application Information

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IPC IPC(8): G08G1/00G08G1/09G08G1/16
Inventor 刘曙阳堵兆君刘松
Owner NANJING C3I ELECTRONICS SYST ENG
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