Development and Application of Solar LED Light in Urban Lighting

Urban lighting is a science, a culture, an art. Urban lighting embodies the image of a city, reflects the scientific management of a city, and is a social system project. Solar LED lighting is favored by customers because of its superior energy-saving effect and humanistic light source lighting control. Its cost performance is basically the same as that of industrial-frequency AC lighting, and it has the characteristics of not destroying the environment and consuming non-renewable energy, and it is easy for customers to accept. As long as the light source is sufficient, there is a market for the development and application of solar LED lamps.

1. Market Analysis of Solar LED Lamps

With the rapid development of China's economy and the increasing demand for energy, the issue of energy shortage has become an important issue affecting the rapid development of China's economy. The full development and utilization of solar energy is a strategic decision for energy for sustainable development of governments around the world. At the same time, driven by the huge potential of the international optoelectronics market, all countries' optoelectronic manufacturing industries are rushing to invest huge sums of money to expand production to compete for a place. China, as the world’s second largest energy consumer, is no exception.

Compared with the photovoltaic power generation that flourishes in the world, China lags behind developed countries for 10-15 years, and even lags behind India significantly. The optoelectronics industry in China is growing at a rate of 30% per year. The 2008 Olympics is being held in Beijing and the country’s call for building a new socialist countryside. There are also hard targets for a 20% drop in energy in the next five years. These three provide unprecedented opportunities for the solar industry. The huge market capacity, coupled with the country’s preferential policies for the development and utilization of renewable resources, has resulted in such a good industrial foundation. As long as the whole society and the country invest only a small part, they can have large production. Out. Solar energy as a renewable energy alternative to traditional non-renewable energy will become a necessity.

At present, the market share of solar lighting in the outdoor lighting market is less than 20%. It is estimated that after 2008, the market share of solar lighting in the outdoor lighting market will reach more than 10%, and it is expected to reach 20% in five years. Solar lighting is the most environmentally friendly, most energy-efficient and easiest to promote new lighting fixtures. The market prospect is self-evident.

2. How Solar LED Lighting Works

During the day, sunlight hits the solar module, which causes the solar module to generate a DC voltage of a certain amplitude, converts the light energy into electrical energy, and sends it to the intelligent controller. After the overcharge protection of the intelligent controller, the energy transmitted from the solar module is transmitted. The battery is stored for storage; when the solar module receives no light energy at night and the DC voltage of the output drops to nearly zero, the intelligent controller automatically turns on the control device to provide power to the LED and causes the LED light source to emit sufficient brightness. For lighting; to the dawn, when the solar module receives light energy to generate voltage, the smart controller automatically switches to the charging mode.

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