1. What is the reason for the flashing of the street lights on the road?
When walking on the road at night, sometimes the street lights on the highway are flickering, usually people The eye can perceive the flickering of light with a frequency of 70 Hz. If it is lower than 70Hz, the human eye will feel the flickering. The flickering of the street light will not only stimulate the eyes, but also affect the lighting effect. This is generally an LED street light. The reasons for the flickering may be the following:
1. Problems with the driving power supply
The driving power supply of LED street lights generally adopts constant current power supply, and the constant current power supply The basic working mode is to continuously adjust the output voltage to ensure that the current is constant when the internal resistance of the LED lamp bead changes, but this adjustment has a certain limit. The constant current power supply has an output voltage range. Once the limit is exceeded, the power supply It will enter the protection state, and its manifestation is that the light starts to flash.
2. LED lamp bead problem
If the LED lamp bead does not match the LED driver power supply, it will also flicker. Normally a single 1W lamp bead can withstand The current of 80-300mA and the voltage of 3.0-3.4V, if the lamp bead chip is not of sufficient power, it will cause the stroboscopic phenomenon of the light source.
3. The lamp is broken
The stroboscopic phenomenon of outdoor lamps may be caused by the water ingress due to the lack of waterproof treatment of the lamps. Damage to one of the power supplies will cause strobes and require timely repairs.
Second, the solution to the flickering fault of the led street light
The led street light keeps flickering, and the maintenance personnel must first check whether the problem is the driving power supply or the led light Beads, you can check the fault location by replacing the driving power supply and the lamp beads respectively. If both are faulty, they need to be replaced together.
Sometimes there will be a flashing fault after the street light is turned off. This should consider whether it is a line problem. It may be a problem with the zero line controlled by the switch. This needs to be dealt with in time to avoid accidents. Accident; if no problem is found after the circuit inspection, it is very likely that the LED street lamp itself has generated a self-inductive current, and the problem can be solved by connecting the coil in series with the electric lamp with a relay.
Three, to which department should the street light be broken?
What should I do if I see the street light is broken? When the street lights flicker or do not light up, ordinary citizens should report the situation to the relevant departments, but to which part should they be reported? This depends on the nature of the street lights:
There are two types of street light management in our country. One is the socialized street lights that occupy the majority of the ratio. If the street lights are broken, they should go to the municipal department. Or the street lamp management office of the Electric Power Bureau of the city where the State Grid is located shall apply for repair. If it is a community, inner community, or village that purchases and installs street lamps, it is usually reported to the property and village committee for maintenance. Another kind of street light is the landscape light of the scenic spot or park. If this kind of street light is broken, you can go to the visitor center of the park or scenic spot to report the problem.
Declare: The above methods are derived from the program system index or shared by netizens. They are for your reference only and do not represent the research views of this website. sex and authority.
