Led street lights may not work because the driver is damaged. The led
solar street light is only composed of a street light pole and a led lamp head. The structure is simple and generally speaking, it is not easy to cause problems. But when the Led street light does not turn on, many people think that the lamp bead is broken? The led solar street light manufacturer reminds you that the driver may be damaged. So what causes the led solar street light driver to be damaged, and how we should deal with it after the driver is damaged, the editor of led solar street light manufacturer litelsolar will discuss with you. First of all, it is possible that the purchased led solar street light is of poor quality, using inferior drivers, and if the heat dissipation performance of the led solar street light is not good, it is easy to cause problems. When purchasing led solar street light heads, try to choose integrated heat dissipation lamp heads from regular manufacturers. If conditions permit, apply thermal conductive glue or paste thermal conductive pads on the contact surface between the shell and the lamp shell to improve the heat dissipation performance of the driver, so as to ensure Drive life and reliability. Secondly, they do not understand the working characteristics of LEDs. Some customers require the input power of the lamps to be a fixed value with a fixed 5% error. They can only adjust the output current for each outdoor LED street lamp to reach the specified power. Due to different working environment temperatures and different lighting times, the power of each lamp will still be quite different. However, the volt-ampere characteristics of the LED determine that the LED driver is a constant current source, and its output voltage changes with the LED load series voltage Vo. Under the condition that the overall efficiency of the driver is basically unchanged, its input power changes with Vo. Therefore, LED driver users should first understand the working characteristics of LED lighting street lamps when formulating requirements, avoid putting forward some indicators that do not conform to the principle of working characteristics, and at the same time avoid indicators that far exceed actual needs, and avoid excess quality and cost waste. In addition, the led solar street light driver will intrude into various surges from the grid system due to the start-up of the grid load and the induction of lightning strikes, and some surges will cause damage to the LED. If the LED street light does not work, the driver may be damaged. The manufacturer of led solar street light reminds you that if the head of led solar street light does not light up, or a few lamp beads do not light up, the driver may be damaged. You can contact the manufacturer to troubleshoot and replace the drive with a new one.
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