Technical Principles LED Solar Lawn Light

The Structure of LED Solar Lawn Light

As we all know, with the rapid economic development, while the limited reserves of conventional energy sources, energy issues has become a major social issue related to the entire national economy and national security. Solar energy is inexhaustible, solar photovoltaic development has great potential, at present, small stand-alone PV system has been widely used, and solar lighting is one of the most important branches. led solar lights is composed by the solar modules (photovoltaic panels), super bright LED lights (light source), maintenance-free rechargeable battery, automatic control circuit and lamps.

The Composition of LED Solar Lawn System

Solar lawn boost IC can automatically be switched between charge and discharge behavior, when that solar charging panels feel the sun during the day, it can automatically switch to turn off the lights to enter the state of charge, when the darkness falls, solar charging panels cannot feel the sunlight, it automatically switches to the state of the battery discharge. Solar lawn boost IC can boost the output voltage of 1.5 volt rechargeable battery to 3.6 volts. A circuit board IC should be equipped with a rechargeable battery which can drive 1 - 7 LED light - emitting diodes. The main feature of solar powered led lights lawn controller's integrated circuits as well as some peripheral components contains a charging circuit, the driver circuit, the photosensitive control circuit and a pulse width modulation circuit and so on. The controller has high conversion efficiency: 80 to 85% (typical) and it can reduce the power requirements of the solar cell plate, low start-up voltage: 0.9V (max) and adjustable output current.

Advantages of LED Solar Lawn Light Source

Most lawn lights use LED as the light source, LED has long life which can reach more than 100,000 hours and low voltage, so it is very suitable for application in solar lawn. LED technology has experienced a breakthrough in the key, and its characteristics have been greatly improved in the past five years, its cost performance has been greatly improved too. In addition, LED is powered by a low voltage DC, and its light source control costs are low, and make adjusting the brightness and frequent switching become possible, and will not adversely affect the performance of LED. It can also easily control the color and change the distribution of light, resulting in a dynamic mirage, so it is especially suitable for solar lawn. Due to the unique advantages of solar lawn lamp, solar lawn light and power system design methods have developed rapidly in recent years. Lawn light has small power, mainly for the purpose of decoration, and has high requirements on mobility, so it is suitable for the venue with difficult circuit, high requirements on waterproof. These make lawn light powered by the solar show the unprecedented advantage.

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