About the led solar street light advantages

Solar street lamps are powered by crystal silicon solar cells, maintenance-free valve-controlled sealed battery (colloidal battery) to store electric energy, ultra-bright LED lamps as the light source, and controlled by intelligent charge and discharge controller, used to replace the traditional public electric lighting street lamps. No cables are laid, no AC power supply is required, and no electricity charges are generated. Dc power supply, photosensitive control; It has the advantages of good stability, long life, high luminous efficiency, simple installation and maintenance, high safety performance, energy saving and environmental protection, economic and practical. It can be widely used in urban main and secondary roads, residential areas, factories, tourist attractions, parking lots and other places.

The solar street lamp system can guarantee the normal operation in rainy weather for more than 8-15 days! Its system is composed of (including support), LED lamp holder, solar lamp controller, storage battery (including storage battery incubator) and light pole and so on.

Solar cell modules generally choose monocrystalline silicon or poly silicon solar cell modules; LED lamp holder generally uses high-power LED light source; The controller is generally placed in the lamp pole, with light control, time control, overcharge and over discharge protection and reverse connection protection, more advanced controller is more equipped with four seasons to adjust the lighting time function, half power function, intelligent charging and discharging function; Batteries are generally placed underground or there will be a special battery incubator, can use valve control lead-acid batteries, colloid batteries, iron and aluminum batteries or lithium batteries. Solar lamps work fully automatic, no trenches need to be dug and wired, but the light pole needs to be installed on the embedded parts (concrete base).

LED light source              

       ⒈ High luminous efficiency, small power consumption, long service life and low working temperature.

  1. High security and reliability.
  2. It has fast reaction speed, small unit size, and green environmental protection.

Under the same brightness, the power consumption is one tenth of that of incandescent lamp and one third of that of fluorescent lamp. However, the service life is 50 times that of incandescent lamp and 20 times that of fluorescent lamp. It is the fourth generation of lighting products after incandescent lamp, fluorescent lamp and gas discharge lamp.Battery pack support

1) Dip Angle design

In order for the solar module to receive solar radiation throughout the year, is to choose the best Angle.

2) Wind resistance design

In solar street lamp system, wind resistance design is a very important structural problem. The wind resistance design is mainly divided into two pieces, one is the wind resistance design of the battery module bracket, and the other is the wind resistance design of the lamp pole. Below according to the above two pieces respectively do analysis.

Wind resistance design of solar cell module support

According to the technical specifications of the battery module manufacturer, the upwind pressure of the solar module can be 2700Pa. If the wind resistance coefficient is selected as 27m/s (equivalent to a category 10 typhoon), the wind pressure of the battery module is only 365Pa according to the non-viscous hydrodynamics. Therefore, the component itself can fully withstand 27m/s wind speed without damage. Therefore, the key consideration in the design is the connection between the battery assembly bracket and the light pole.

In the design of this street lamp system, bolt rod is used to fix the connection between the battery module bracket and the lamp pole.

Working principle

Solar street lamp working principle description: solar street lamp in the daytime under the control of intelligent controller, solar panels after sunlight irradiation, absorb the solar light and converted into electric energy, the solar battery module in the day to charge the battery, the battery at night to provide power to LED light source, lighting function. The DC controller can ensure that the battery pack is not damaged due to overcharge or over discharge, and has the functions of light control, time control, temperature compensation, lightning protection, reverse polarity protection, etc.

When installing solar street lights, there is no need to set up complex lines, only a cement base and a battery pit, fixed with galvanized bolts.

Leave out the complicated operation procedure in the construction of electric street lamp. First of all, it is necessary to set up cables, dig trenches and pipe distribution, pipe threading, backfill and other large amounts of civil construction, consuming a lot of manpower, material resources and financial resources. Finally, there is debugging, and once there is a problem, it will cause a lot of consumption.Solar street lamp is a one-time investment, long-term benefits, because the line is simple, no maintenance costs, no expensive electricity. 6-7 years to recover the cost, after 3-4 years to save more than 1 million electricity and maintenance costs.

The electricity cost of street lamps is high, the line is complex, and the line needs to be repaired continuously for a long time. Especially under the condition of unstable voltage, it is inevitable for sodium lamp to be broken, and with the extension of years, line aging and maintenance costs are increasing every year.

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