• Categories:Company News
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• Time of issue:2020-09-24 18:29
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(Summary description)　　LED roadway lights are now widely used in our lives, and they can be seen in the industrial field and manufacturing industry. It can be said that it is very important to our life, so what are its specific classifications? Woolen cloth? It is mainly classified according to the protection level of the shell, as well as the classification of the supporting surface material of the lamp design and so on. In the article, the editor will give you a detailed introduction to the specific classification of LED roadway lights and the factors that cause their light decay. The specific classification of LED roadway lights: 　　In the industry, LED roadway lights are usually divided into two different types. Follow the editor to learn about them in the article: 　　1. Classification according to the protection level of the shell 　　In order to prevent dust, solid foreign objects and water from entering the lamp cavity, touching or accumulating on live parts and causing dangers such as flashover, short circuit or damage to electrical insulation, there are various enclosure protection methods to protect electrical insulation. Use the letter "IP" followed by two numbers to characterize its enclosure protection level. The previous digit number indicates the protection ability against people, solid foreign objects or dust, and is divided into 0-6 grades. LED roadway light is a kind of sealed lamp, its dustproof ability is at least level 4 or above, and the second number indicates the protection ability against water, which is divided into 0-8 levels. 　　2. Classification according to the supporting surface material of the lamp design 　　Indoor LED roadway lights may be installed on many surfaces of common flammable materials, such as wooden walls and ceilings, which do not allow the temperature of the installation surface of LED roadway lights to exceed safe values. According to whether the LED roadway light can be directly installed on the surface of ordinary combustible materials, it can be divided into 2 categories. Factors causing LED roadway lighting to decline: 　　The light decay of LED products is the weakening of the signal of light in transmission. At this stage, LED products made by LED manufacturers have different degrees of light decay. Let’s take a look: 　　1. LED quality problems (1) The LED chip used is not in good condition, and the brightness decays quickly. (1) There are defects in the production process, and the heat dissipation of the LED chip cannot be exported from the PIN pin well, resulting in an excessively high temperature of the LED chip and aggravating the chip attenuation. 　　2, the use of conditions (1)The LED is driven by constant current, and some LEDs are driven by voltage to make the LED attenuate. (2) The drive current is greater than the rated drive condition. In fact, there are many reasons for the light decay of LED products. The key is the heat problem. Although many manufacturers do not pay special attention to the heat dissipation problem in the secondary products, the light decay degree of these secondary LED products will be higher than that of the ones that pay attention to heat dissipation under the long-term use of these secondary LED products. LED products are higher. The thermal resistance of the LED chip itself, the influence of silver glue, the heat dissipation effect of the substrate, and the colloid and gold wires are also related to light decay. 　　The above is the specific classification of LED roadway lights introduced by Xiaobian, as well as the specific factors that cause its light decay. If you have any doubts, please contact us in time!