Explore the system composition of solar street light controller

The voltage used by the street light unit of the solar street light controller system of Changhui Lighting is generated by several batteries in series. Therefore, when selecting a MOSFET transistor, the withstand voltage of the MOSFET must first be considered. This system requires the withstand voltage of the MOSFET to be higher than 40V; secondly, Select the maximum current of the IDS of the MOSFET according to the size of the current driving the LED lamp. In the case of DC power supply, the first consideration is the IDS maximum current value and the RDS value. Under normal circumstances, the maximum current of the IDS of the MOSFET should be more than 5 times the driving current of the LED lamp; in addition, the internal resistance of the MOSFET should be selected to be small; the larger the LED driving current, the smaller the RDS should be, the smaller the RDS, the higher the conversion efficiency. high. Changhui Lighting Urban Solar Street Light is a public facility closely related to people's life, which reflects the prosperity and development level of the city to a certain extent. For a long time in the past, the update of street lamps was mostly limited to the lighting part. With the development of urban and electronic technology, the urban street lamp system has experienced the development process of manual control, automatic timing/photoelectric control, and computer program control. Using a computer to realize the automatic control of the urban solar street light system has good economic and social benefits for improving the modern management level of the city and saving manpower and material resources. By effectively adjusting the light switching time, the work quality and work efficiency of the street light system can be greatly improved, providing comprehensive solutions and strong technical support for the operation, maintenance and expansion of the urban lighting system, and improving the operation of urban lighting. management level. CHZ Changhui Lighting Technology Co., Ltd. is located in Shanghai, Shandong, which is known as the sun valley of the world. It is a comprehensive high-tech enterprise mainly engaged in the research and development, production, sales and service of LED application lighting products. The company's main products are street lamps, led street lamps, solar street lamps, street lamp lamp holders, LED street lamp lamp holders, high pole lamps, signal lamps, landscape lamps, garden lamps, lawn lamps and LED lighting product series. It is a professional solar street lamp manufacturer and lighting. Manufacturer of the product.