How Long Do LED Street Lights Last?

Many people choose LED street light because of its benefits of energy saving and long service life.Then, how about the lifespan of LED street lights?I believe that users are also very concerned about the service life of street lamps when they choose and buy.Next Shenzhen LED street light manufacturers will take you to understand what factors affect the life of street lamps?And how to prolong the lifespan of it?

As outdoor street lighting fixture,Led street light is used outdoors for a long time and have high requirements for their shells.In general,the warranty time of LED street lamp is about 3 years, but the service life can not be estimated.Because the quality of led street lights produced by different manufacturers is different, although the life is very long in theory, but in fact, the life of the drive chip is only 3000 hours.

Factors influencing the life of LED street lights:

The service life of LED lamps is affected by various factors, such as heat dissipation, power supply, chip and so on.

Factor 1:LED street lamp controller

Controller not only control, monitoring and maintenance of photovoltaic components, battery and load operation status, to control the battery together at the same time, guarantee the operation status of the battery, and the maintenance of the LED street light load directly, also to supply a useful and relatively stable working environment, especially in the battery power deficiency or undervoltage homework assignments and other critical situations.A high precision, stable function of the controller will play a key role.For example,sometimes LED street light flicker.This failure is mainly the problem of the controller.

Factor 2:Lighting source

Different lighting sources have different service life.Up to now,there are low pressure sodium lamp, low pressure electroless lamp, LED street lamp, low pressure fluorescent lamp and other different kinds of light source.LED light sources are now widely used in street lighting.The main reason is that the life of LED street lights with good quality is 50,000 hours, theoretically 10 hours of lighting a day, can be used for more than 10 years.So it is very critical to choose a good light source when buying LED street lamps.

Factor 3 : Light source initiators

Different initiators have different starting methods, requiring different ballasts or driving power lamps.This part has great influence on light source, especially LED street light source.Constant current source drives are commonly used today.The quality of constant current source and whether the size of set parameters can be suitable for the light source is very important.Mainly see: constant current accuracy, output power, maintenance circuit, parameter setting scale, etc.

Factor 4: Storage battery

LED street lights should choose relatively stable performance of the storage battery.And in the process of construction, the battery should be closely installed to guard against water and other accidents.Otherwise, it will also directly affect the service life of LED road light.

Grasp the three key links to extend the life of LED street lights

1. Purchasing links

When purchasing, the first is the detection report of light decay , which is a very important link.When bidding, each company will provide the light decay detection report of different units, some of which are self-tested by their own company, and some of which are tested by a third party.The source of detection report must first be a designated organization accredited by the Semiconductor Alliance.Such as Beijing Electric light Source Quality Supervision and inspection Center, Shanghai Electric light source quality Supervision and inspection Center, semiconductor 13 institute, etc., from these units of the detection report of the light decay has credibility, the street lamp used for road lighting is high power, the heat generated.

2. Street lamp structure

After the road light failure test, the structure is a big problem.This problem is rarely paid attention to in lighting industry, which is also one of the main reasons for the large light decay in the actual use of street lamps.After a short period of outdoor use, the entire surface of the street lamp is covered with dust, and its cooling effect is greatly reduced.Based on this situation, the structural design of street lamps is particularly important.

3. Light source

The light decay of led street lighting fixture has a barrel effect, it is unavailable even if there is a short slab.Light decay is more difficult to control, because the good radiator is not necessarily to solve the problem of light source decay.There is a big mistake in the packaging of the light source. The silica gel of the COB light source is too thick, so the silica gel should be packaged as thin as possible to facilitate the heat dissipation of the chip luminous surface. This is the reason why the light decay of the COB light source is not well controlled.

Grasp the above main links, the service life of LED street lamps can be guaranteed.

Conclusion:

The theoretical life of led street lamps is 100,000 hours, but this is only the ideal value.In fact, the life of LED street lamps is affected by various factors,such as controller,light source and brightness etc.When LED lamps are used for more than 1,000 hours, they begin to occur light decay, meaning they are not as bright as they used to be.For some used as indicators of small power LED, can reach more than 100,000 hours;But for high-power LED street lights, the service life is far from 100,000 hours.And in practical use,the brightness is less than half as bright as they started after 3000 hours of use.

So how long led street lamp can last, which mainly depends on the use of environment, the quality of electronic components or other.Like the bucket principle, the life of an LED lamp is determined by the part with the shortest life.In other words, if an electronic component breaks on the second day of use, it just can last only two days.Of course,this is just an occasional situation, at this time you can find after-sales processing.