The structure and principle of solar street lamps is introduced
Sunlight as the energy, led solar street lamp system consists of the solar modules, LED lamp holder, control box and light pole a few parts.
Control box body with stainless steel as the material, attractive and durable;
Control box placed maintenance-free lead-acid battery and charge and discharge controller, is advantageous to the system maintenance, lower cost,
Charge and discharge controller in the design for the full (
With electric, control, when the overcharge protection, discharge protection and reverse connect protection, etc. )
And the cost control and realize the high cost performance.
The system working principle is simple, the use of light born v effect principle of solar cells, solar panels during the day to receive solar radiation and translated into electricity output, after stored in the storage battery charging and discharging controller, the night when the intensity of illumination is gradually reduced to about 10 lux, solar panels open circuit voltage is 4.
Around 5 v, charge and discharge controller to detect the voltage value of the action, the battery to discharge lamp holder.
Battery discharge 8.
After 5 hours, charge and discharge controller action, battery discharge end.
Main function is to protect the storage battery charging and discharging controller.
In solar street light system, the structure of a problem that is important is the wind resistance design.
Wind resistance design consists of two large, one for the battery components of wind resistance design, secondly, light pole of wind resistance design.
Solar cell components of wind resistance design, on the basis of the technical parameters of battery components manufacturer information, solar energy battery components can bear the wind pressure is 2700 pa.
If the wind resistance coefficient is selected for 27 m/s (
Typhoon is equivalent to ten levels)
, according to the non viscous fluid mechanics, the battery components of wind pressure is 365 pa.
So, the component itself is completely can withstand 27 m/s wind speed without damage.
So, the key is to consider in the design of battery components support connection with light pole.
The wind resistant design for street light pole, weld width meet the requirements of design selection, as long as the welding quality guaranteed, there is no question of light pole of wind resistance.
Solar's main role is to protect the storage battery charging and discharging controller.
Basic functions must have overcharge protection, discharge protection, electric, control and meter, etc.Security energy-saving pollution-free led solar street lamp, manual work is stable and reliable operation, saving electricity maintenance free.
Including solar street light, solar lamp, solar garden light, solar lawn lamp they have the same working principle, is the size, different brightness.
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