Real-time control system for traffic signal lamps at crossroad

A technology of real-time control system and traffic signal lights, which is applied to control the direction of traffic signals and other directions to achieve the effect of eliminating external interference.

Inactive Publication Date: 2015-09-16
张金木
8 Cites 3 Cited by

AI-Extracted Technical Summary

Problems solved by technology

Generally, traffic lights are used to direct the passage of vehicles, and the control of traffic light...
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Abstract

The invention relates to a real-time control system for traffic signal lamps at a crossroad. A road section near a lane exit is set as a red light waiting road section, each of lane exits at the crossroad and waiting entrances at the waiting road section is provided with a pair of infrared radiation devices, the infrared radiation devices at the waiting entrances are matched with the infrared radiation devices at the lane exits for counting the vehicle number in the waiting sections of lanes, and the vehicle number is the basis of the green light time for the lane vehicles.

Application Domain

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  • Real-time control system for traffic signal lamps at crossroad
  • Real-time control system for traffic signal lamps at crossroad

Examples

  • Experimental program(1)

Example Embodiment

[0017] The crossroad traffic flow distribution map of the crossroad traffic signal light real-time control system is as follows figure 1 As shown, the vehicle flow distribution map at the intersection only shows one of various types of vehicle flow distribution and vehicle flow control. Other types of vehicle flow distribution and traffic control real-time control systems for intersection traffic lights are easy to obtain by analogy. figure 1 In the east-west direction when the red light is on, the north-south direction A is the green light time for straight and right turn, and B is the green light time for the left turn.
[0018] The schematic diagram of the laser diode embedding is as figure 2 Shown. Its structure includes: steel pipe (1), cover plate (2), round glass sheet (3), laser diode kit (4), fixing plate (5), screw kit (6), bracket (7), junction box ( 8), wire (9), metal mesh (10), cable pipe (11), drain pipe (12), bottom cover (13), wherein the screw kit (6) consists of screws, nuts, washers, non-slip washers, It is composed of silicone shockproof gasket. When installing, the plane center line of the bracket (7) should be parallel to the center line of the cross arm where the light receiving head is installed. The hole on the bracket (7) for passing through the screws in the screw kit (6) is a long strip hole along the plane center line of the bracket (7), so that the fixed position of the fixing plate (5) can be adjusted and passed Screws, nuts, washers, non-slip washers, and silicone anti-vibration washers fix the fixing plate (5) on the bracket (7).
[0019] The traffic controller is composed of single-chip 89C52, EEPRAM24C32, LED display module and power supply module. EEPRAM24C32 is used to save data. The LED display module contains drive circuit and display circuit. It is connected with the I/O port of single-chip 89C52 and is controlled by the single-chip microcomputer.
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