Working principle of solar street lamp: During the day, under the control of intelligent controller, solar panels absorb sunlight and convert it into electric energy. During the day, the solar cell module charges the storage battery, and at night, the storage battery supplies power to the LED light source, realizing the lighting function.
The DC controller can ensure that the battery pack is not damaged by overcharge or overdischarge, and has the functions of light control, time control, temperature compensation, lightning protection and reverse polarity protection. Solar street lamp system can ensure normal work in rainy days 15 days or more.
The system consists of LED light source (including driver), solar panel, storage battery (including battery incubator), solar street lamp controller, lamp post (including foundation) and auxiliary material wires.
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Advantages of solar street lamps:
First, energy conservation and environmental protection.
The biggest advantage of solar street lamps is energy saving. This product, which can convert natural sunlight into its own energy, can really reduce a lot of electricity consumption. Nowadays, with the development of urban construction, the investment in street lamps has also increased, and the application of solar street lamps saves the country considerable electricity every day.
The inherent characteristics of solar lighting, such as safety, energy saving, environmental protection, simple installation, automatic control and maintenance-free, will directly bring obvious advantages to real estate sales and municipal engineering construction.
Second, it is safe and reliable.
This product is very safe to use. In the past, there were many hidden dangers in urban street lamps, some because the construction quality was not up to standard, some because the materials were aging or the power supply was abnormal. However, we have to admit that street lamps powered by electricity do bring some bad effects to people's lives.
Solar street lamp is a product that does not need to use alternating current. It uses a high-tech battery, which can absorb solar energy and automatically convert it into the required electric energy, and has very high safety performance.
Third, the installation and maintenance costs are low.
The operation and maintenance cost of solar street lamps is low. The solar power used in solar street lamps is almost zero in operating cost except for a small part of the electricity fee when it is converted into mains power supply in rainy days. The operation of the whole system is automatically controlled without manual intervention and almost no maintenance cost.
With the continuous expansion of urban construction, many remote areas also have street lamps and other equipment. At that time, in those remote small places, if there was a problem with power generation or transmission, the maintenance cost was very high, not to mention street lamps, which were only popularized in recent years, so we often saw street lamps on rural roads, which was always economical.
At present, this kind of solar street lamp only needs to be inspected within a fixed period of time. It is rare to see the maintenance of solar street lamps after installation, and the maintenance cost of solar street lamps is very low compared with ordinary street lamps.
Baidu encyclopedia-solar street lamp