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Precautions for installing LED underwater lights

LED underwater lights are produced using LED technology. Compared with traditional underwater lights, LED underwater lights are more energy-efficient and efficient, with diverse lamp bodies and more decorative features. They are widely used in various landscape lighting systems. However, as a manufacturer of LED street lights, some issues in the installation of LED underwater lights require special attention. 1. LED underwater lights should be powered by a DC constant current power supply. Under the control of a constant current power supply, the forward voltage drop of LED wall washing lights, LED projection lights, LED underwater lights, and LED buried lights will decrease as the temperature of the LED chip increases. It doesn't have much impact. But if it is driven by constant voltage, it will cause the chip of the LED underwater lamp to continuously increase its current as the temperature increases. In severe cases, LED underwater lights may even be burned out. Therefore, LED underwater lights should be powered by a DC constant current power supply. 2. Anti static measures should be taken. During the processing, production, and installation of LED underwater light products, certain anti-static measures should be taken, such as grounding the workbench, workers wearing anti-static clothing, anti-static rings, and anti-static measures. Gloves, etc., can be installed if conditions permit. The anti-static ion fan should also ensure that the air humidity during installation is around 65% to prevent the air from being too dry and generating static electricity. In addition, LED anti-static capabilities vary with different quality levels, and LED underwater lights with higher quality levels have stronger anti-static capabilities. 3. Pay attention to the sealing of LED products. No matter what type of LED lighting product it is, as long as it is used outdoors, it faces problems of moisture resistance and sealing, especially LED underwater lights. If the sealing problem is not handled properly, it will directly affect the service life of LED underwater light products.

Precautions for LED Street Lamp Design

1、 Light attenuation of lamps The light attenuation of a lamp refers to the negative impact of the optical system and lamp structure on the luminous flux of the light source. The pollution of the system leads to premature reduction of illumination and other phenomena. In the design process of lighting fixtures, the material selection, shape, volume, and sealing method of the reflector should consider the issue of light attenuation. 2. Light source protection In the design of lighting fixtures, it is necessary to ensure that the light source has a reliable electrical connection, low contact resistance, and will not loosen after vibration. In order to protect the light source and extend its lifespan, the internal structure of the lamp must be scientific and reasonable. To enhance the heat dissipation capacity of the lamp, the shape and size of the reflector should be reasonably manufactured, the volume of the lamp should be appropriately expanded, the heat dissipation area should be increased, and the light source should work at a suitable temperature to ensure stable performance, safety, and reliability. 3. Thermal radiation issues and thermal energy utilization In addition to reflecting visible light, light sources also generate a large amount of thermal radiation. Thermal radiation can cause the temperature of the lamp body to be too high, affecting the service life of the light source and making the material of the lamp too early. Aging, which is even more dangerous, may lead to electrical leakage, fires, etc. Therefore, when designing lighting fixtures, try to use heat-resistant materials and low radiation light sources as much as possible. When conditions do not allow, materials with poor thermal conductivity such as asbestos should be used. Lighting materials and components that isolate light sources and have poor heat resistance can also use heat dissipation methods, such as fins and reflectors, to refract thermal radiation, or rely on forced air circulation by fans to dissipate heat as soon as possible. When the indoor lighting load reaches 20-40W/m2, the utilization of thermal energy becomes very important. Currently, research has been conducted on air conditioning lighting fixtures to effectively utilize the large amount of thermal radiation generated by light sources.