How to Judge the Quality of LED Street Light Products?
With the continuous improvement of technology, LED lamps are more and more widely used, and the quality of LED light source directly affects the actual effect of the application. The following is a brief introduction to how to judge the quality of the LED street light source.
Ⅰ. When purchasing LED street light heads, judge the quality from the following points:
1. Observe the whole: "Power factor of LED street light head": The power factor is low, indicating that the driving power supply and circuit design used are not good, which will greatly reduce the service life of the lamp, and the power factor is low. No matter how good the lamp beads are, the lamp life will not be long.
2. Look at the heat dissipation system of the LED street light head. The heat dissipation of the LED street light head directly affects its quality and service life.
3. Look at the quality of lamp beads: The quality of lamp beads directly determines the quality of LED street light heads, and the quality of lamp beads depends on chip quality and packaging technology.
4. Look at the light effect: the same lamp bead power, the higher the light effect, the higher the brightness, the same lighting brightness, the lower the power consumption.
5. Look at the driving power used by the LED street light. The service life of the power supply is much shorter than that of other parts of the lamp. The life of the power supply affects the overall life of the lamp. The theoretical life of the lamp bead is 50,000-100,000 hours, while the life of the power supply is 0.2-30,000 hours. The design and material selection of the power supply will determine the service life of the power supply.
Ⅱ. The use of LED street light head precautions
1. The LED street light head should check whether the power supply voltage is consistent with the rated voltage of the lamp.
2. The lamps are installed and fixed with hanging chains, and the installation surface should be flat and have sufficient mechanical strength.
3. There are 1 ground wire (yellow) and two power wires on the lamps of the LED street light head.
4. Turn on the power, the light is on.
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