Gizmo: automatic control system for street lamp energy saving
Juvenile Invention and Creation (Primary School Edition)
Author: Yangzhou City, Jiangsu Province Weiyang Experimental Primary Five (5) Ban Li Mu
Tutor: Yan Guobin
There are a large number of roads in China's cities and villages. These roads are equipped with street lights in many places at night to facilitate pedestrians and traffic. However, street lights are usually clear all night but no pedestrians, wasting a lot of energy. How to maximize energy conservation is an important issue before us. The street lamp energy-saving automatic control system has been invented, fully complying with the theme of saving, innovation and continuous development.
The invention provides an automatic control system for street lamp energy saving, which comprises a light pole, a street lamp, a photoelectric sensor, a pressure sensor and the like.
The speed of non-motor vehicles and pedestrians on non-motorized vehicles is generally within 20km/h, and the required illumination brightness is weak (set light intensity value ≤ A), but the speed of motor vehicles on motor vehicles is generally 20km/ Above h, it is necessary to have a strong illumination in front to ensure a clear line of sight (set the light intensity value > A and reach the set value B). When the light intensity value of the environment in which the road is located from the daytime to the night or special weather reaches a certain value, the street lamp control center automatically starts the control system to achieve the purpose of energy saving.
When there is no motor vehicle passing on the road, the light intensity value of the street light is set to A, and the brightness of the street light is A level; when the motor vehicle travels to the control road, after passing the pressure sensor, the light intensity of the front street light (a certain number can be set) The value is set to B (B> A), and the brightness of the street light is changed to B level; as the motor vehicle moves forward, the illumination light of the motor vehicle is directed to the light sensor disposed at the upper part of the street light pole, when the light sensor is irradiated When the light exceeds a certain light sensitivity setting value M, the light intensity value of the front street light (a certain number can be set) is set to C (C> B), the street light brightness is changed to C level; when the motor vehicle travels more than the light After the street light of the sensor, the light sensor receives less than M light, and the brightness of the street light returns to the brightness level A after N seconds by the delay controller.
Through the above automatic control system, the brightness of the street lamp on the road increases when there is a motor vehicle, and the brightness is reduced when there is no motor vehicle running, effectively controlling a large number of street lamps to waste energy, thereby achieving the purpose of energy saving.
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