How to judge the quality of the traffic lights?
- the switching power supply of traffic lights:
- Mainly focused on the power factor, the charge and discharge requirements of the yellow traffic light at night. The switching power supply can be sealed in the dark plastic light shell, and it can be used in the open air all day.
- The shell material of the traffic signal light: Generally, the thickness of the shell thin, within 140mm. The materials are generally pure PC material, ABS material, back material, miscellaneous material, etc. The quality of pure PC material of traffic signal light is the best.
2. The function of LED traffic lights:
- The advantages of LED lights are environmental protection, high brightness, low heat, small size, low power consumption, long service life. This is also an crucial part should be carefully considered. The size of the chip decides the cost of traffic lights.
3. The national scale of traffic lights:
- Inspection of traffic lights are necessary. The period is two years. The cost of conventical traffic light inspection will not be less than 200,000RMB. Depend on the number and company name, the Ministry of Public Security can give the certificatehttps://www.trafficsignallight.com/certificate/ of the traffic light.