The role of solar street light controllersolar street light-li

We all know that the solar street light is equipped with a controller, but I believe that many people do not know why the solar street light must be equipped with a controller. Is it okay not to have a controller? In fact, it is impossible for solar street light not to install a controller, because the controller can play a great role. 1. Voltage stabilization When the solar energy irradiates the solar panel, the solar panel will charge the battery, and the voltage at this time is very unstable. If it is directly charged, it may reduce the service life of the battery, and may even cause damage to the battery. The controller has a voltage regulation function in it, which can perform constant voltage current limiting on the voltage input to the battery. When the battery is fully charged, it can charge a small part of the current or not charge it. 2. Boosting function The controller of solar street light also has the function of boosting, that is, when the controller cannot detect the voltage output, the solar street light controller controls the output voltage from the output terminal. If the voltage of the battery is 24V, but If the 36V required for normal lighting is not reached, the controller will increase the voltage so that the battery can reach the level that can be turned on. This function must be turned on through the solar street light controller. 3. Guarantee the current constant current output Because the LED itself shows off constant current or current limit by technical means, otherwise it will not work normally. The general method of LED solar street light is usually to add a driving power supply to carry out the constant current of the LED. But this needs to bring about power loss, and yes, plus the more power consumption of the independent drive power supply, so this method is not desirable. 4. Control the output period The solar controller can set the time period, and the output current starts to work when the set time period is reached. 5. Adjustment of output power In the application of solar street light, the power is adjusted. Adjusting the power can control the brightness of the LED solar street light. For example, the street light can be adjusted to 30W in the early morning and 15W in the middle of the night to save energy. This locks the current not only to meet the lighting needs at night, but also to save the overall configuration and budget of batteries and solar panels. It can also greatly effectively extend the life of LED solar street light.
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have three basic components.