As a new type of energy-saving and environmentally friendly products, solar LED lamps have their unique advantages and are currently widely used in construction and greening projects. What is the working principle of solar led light? Solar led light is mainly composed of solar photovoltaic cell and semiconductor illumination source. Through the combination of direct current and low voltage, an efficient lighting system is formed. Then, Xiaobian will come to you for details. Introduce the working principle of solar led lights, and the advantages of solar led lights, I hope to help everyone.
Solar led light
How solar LED lights work
The working principle of the solar led lamp, the solar cell made by the photovoltaic voltaic effect principle receives the solar radiant energy and converts it into electric energy output during the day, and is stored in the battery through the charge and discharge controller, and the illumination gradually decreases to about 10 lux at night. The open circuit voltage of the solar panel is about 4.5V. After the charge and discharge controller detects this voltage value, the battery discharges to the lamp cap. The working principle of the solar led lamp is the simplest: the solar panel will absorb solar energy and convert it into electric energy. In the future, the electric energy is stored in the battery for use at night. The battery is divided into a lead acid battery and a gel battery. The above is the working principle of solar led lights.
What are the advantages of solar led lights?
What are the advantages of solar LED lamps: directional emission of LED, no light diffuse reflection, light efficiency up to 110 ~ 130 lm / w, to ensure light efficiency to save energy; long life, average life expectancy of 50,000 hours, low maintenance costs; color rendering Good, can restore the actual color of the object very well; does not contain harmful elements such as mercury and sodium, no pollution, green and environmental protection. No need for high voltage, it is safer than traditional street lamps using mains voltage; continuous dimming can be realized, with digital control, time-lapse control, light control is more energy-saving; there is no filament light-emitting, heat deposition, low light decay, The light decay of less than 3% in one year; the power efficiency of LED solar lamps can reach 95%, and the power efficiency of high-pressure sodium lamps is only 85%. The 84W LED lamp can replace the 150W high pressure sodium lamp; the 140W LED lamp can replace the 250W high pressure sodium lamp; the 224W LED lamp can replace the 400W high pressure sodium lamp.
Solar led light
LED solar light use needs to know
1. Fix the luminaire in the packaged carton when transporting to prevent breakage.
2. When using, the surface of the lamp has a certain temperature rise, which is a normal phenomenon; the center temperature of the transparent part is high and must not be touched.
3. When replacing the bulb, try to use the same type of bulb; if you change the bulb type or power, you should replace the matching ballast accordingly.
4, LED solar lights are only used outdoors; lamps can only be used with a protective screen.
5. The cross-sectional area of ​​the external wiring should not be less than 1.5mm.
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