Solar LED traffic signal lamp control circuit system

Abstract

The invention discloses a solar LED traffic signal lamp control circuit system including an LED lamp core controller, a long-distance communication circuit, a button selection work mode circuit, a sub-controller and an indication circuit. the button selection work mode circuit is connected with the core controller, the core controller is connected with the long-distance communication circuit, the long-distance communication circuit is connected with the sub-controller, the sub-controller is connected with the indication circuit, the core controller has an AT89S51 chip, the long-distance communication circuit has a MAX485 chip, the long-distance communication circuit has an optoelectronic isolation circuit, and the sub-controller has an AT89S51 chip. The solar LED traffic signal lamp control circuit system is simple in structure, convenient to use, and reasonable in technology. The system can automatically adjust the display color and time of the traffic lights according to the traffic flow information, is high in practicality, low in realization cost, good in use effect, and convenient to popularize and use.

Description

technical field [0001] The invention belongs to the technical field of intelligent transportation, and in particular relates to a control circuit system of a solar LED traffic signal lamp. Background technique [0002] With the continuous development of the city, intelligent traffic lights based on traffic flow will be favored by the majority of the people, while traditional traffic lights usually adopt a timing distribution control method, which mainly has three defects: 1. When the lane releases vehicles, the intersection It often happens that vehicles on different phases have the same release time, and the side with more vehicles is prone to vehicle accumulation, causing traffic jams at the next intersection; In a period of time, there is a traffic command blind spot; 3, when the traffic flow at a crossing is very large, the green light time of the crossing cannot be extended automatically, causing the vehicles at this crossing to not pass through completely in one cycle....

AI Technical Summary

Problems solved by technology

[0002] With the continuous development of the city, intelligent traffic lights based on traffic flow will be favored by the majority of the people, while traditional traffic lights usually adopt a timing distribution control method, which mainly has three defects: 1. When the lane releases vehicles, the intersection It often happens that vehicles on different phases have the same release time, and the side with more vehicles is prone to vehicle accumulation, causing traffic jams at the next intersection; During a period of time, traffic command blind spots appeared; 3. When the traffic flow at the intersection is very large, the green light time at the intersection cannot be automatically extended, resulting in that the vehicles at this intersection cannot pass completely within a cycle

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