- -
the basic principle of solar street light is primary, is a process of absorption and release energy. Solar panels during the day and light energy into electrical energy storage, in the evening, battery lamp power supply for energy release. Repeat this process every day, if the malfunction of the solar street light bulb light time shorten, bulb could not be opened, how to quickly find out the cause of the problem?
in the first place, we need to know the solar street lamps light up time is short fruit still can't light up. If the light time is short, the said solar energy lamp is a problem with the configuration or panels voltage is insufficient, the reason may be that light is not reasonable configuration is relatively small, or is likely to be attached to the panels have a thick layer of dust, the situation on the river area are common. Winter lamp lighting time is very short, continuous cloudy day is short, to wipe the panels to clean out this kind of circumstance, according to the degree of attachment processing.
the second failure is not bright, bright lights, especially focused on the controller is broken or the battery is broken, the LED street lamp holder less damage and damage of panels, if the controller has a problem, the survey method is we use a voltmeter to measure the voltage of the panels. If the battery voltage is higher than V in sunny day, means that the panels are no problem. If the battery voltage is higher than v, means that the battery is normal, we can consider to change the new controller to view. After replacement, it can be in one to two natural day light. This is the controller problem. Usually, panels and batteries are not bright situation is relatively small. If we measure the battery voltage is lower than v in the daytime, so we need to check the battery connections are good. If the wiring in good condition, solar panels voltage is still very low, this may be a panel problem, but most cases are concentrated on the battery. The battery voltage is lower than v, the first option is the controller failure battery discharge deficiencies and not fill in time. Second, the battery of poor quality, long-term use can lead to excessive internal charging and discharging.
in short, if there is no light, solar street light we replace the controller should be considered. If we find the light bulb for a long time no open, we recommend replacing battery ( For a long time can't open, great battery may be damaged) 。