Traffic lights manufacturer discuss how to identify the quality of the signal lamp is good or bad

Method for the identification of traffic light quality:

1, shell material:

Generally speaking, the traffic signal lamp shell thickness of the male die is generally more thin, both within the 140 mm, material generally have pure PC, ABS material, back to the materials, sundries, etc. Pure PC material of traffic signal lamp shell material quality is the best.

2, switch power supply:

Mainly concentrated in the surge of switch power supply and power factor, traffic lights at night yellow lightning source of charging and discharging requirements. Identification, switching power supply can be sealed within the black plastic lamp shell, outdoor all-weather use, see the specific usage.

3, the performance of the LED:

LED lights because it has the environmental protection, high brightness, low quantity of heat, small volume, low power consumption, long life and other advantages, is widely used in traffic lights, therefore, identification of traffic light quality, one aspect of this is also the need for careful consideration. In general, the size of the chip determines the traffic signal lamp cost.

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