The traffic in our country is developing rapidly now, and there is also great progress in the lighting facilities beside the road. Nowadays, most roads use solar lighting. It can be said that solar street lamps have made great contributions to the sustainable development of our country, because our country is a big country of energy consumption, and solar lighting lamps have made great contributions to saving non-renewable energy such as oil, natural gas, coal and so on, and also have great significance to China's environmental protection cause.

Solar lighting is actually a solar lamp that uses solar cells as energy. Solar lighting is mainly composed of solar cells, lighting lamps, control elements and other devices. During the day, solar panels absorb energy to charge the batteries, and then at night, the electricity in the solar cells is used as energy for lighting through the control of photosensitive elements.

There are various types of solar lighting lamps, which are used in many fields. If it is classified by power supply type, solar lighting lamps are mainly divided into the following three types: solar energy and normal power supply complement each other, wind and light complement each other, and solar energy supplies power independently.

However, it can be divided into many types and categories if it is to be used according to the functions and occasions.

1. Solar landscape lamps are mainly used in public places such as parks and squares. They are not only beautiful in appearance, but also low in power, and will not destroy the beautiful green environment, and have quite good landscape lighting effect.

2. Solar light boxes are mainly used in advertising light boxes. At present, the application of solar light boxes in China is not too much, and the field of solar light boxes needs to be further developed, which can also adapt advertising solar light boxes to more occasions.

3. Solar traffic lights are mainly used in aviation, navigation and other transportation fields. Why are solar traffic lights used in transportation fields? Because many places are not connected to the power grid and there is no power supply, solar signal lamps can solve the problem of no electricity.

4. Solar flashlight, which is often used in our daily life, can provide lighting in time once the situation appears at home, and has advantages that ordinary flashlights do not have. Because of the popularity of the power grid, we seldom use flashlights now, but once the situation occurs, flashlights are likely to run out of electricity when used because they have not been used for a long time. Solar flashlights do not have this kind of trouble.

To sum up, solar lighting plays an indispensable role in our life. It can not only provide daily lighting and emergency lighting, but also protect the environment, which is the main direction of sustainable lighting in the future.

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