LED lamps and lanterns of bad heat dissipation can lead to the four issues!

For an LED lamps and lanterns, there are two important part of the chip and radiator that cannot be ignored. Good LED chip can bring more efficient, luminous efficiency and better light effect. While the heat dissipation is good or bad directly affects the lamps and lanterns light stability and service life of the product. So, how to make the LED lamps and lanterns has better heat dissipation performance, has been the focus of technology research. In this talk about LED lamps and lanterns, heat dissipation effects on all aspects of lamps and lanterns. Mainly include the following: 1, the most direct and the effect of heat dissipation is directly responsible for the service life of LED lamps and lanterns is reduced due to the LED lamps and lanterns converts electrical energy into visible light, there is a conversion rate of the problem, not 100% converts electrical energy to light energy, according to the law of conservation of energy, the extra energy is converted into heat energy. If the LED lamps and lanterns of heat dissipation structure design is unreasonable, this part of the heat energy cannot be ruled out quickly, so the smaller size of LED encapsulation and LED lamps and lanterns will accumulate large amounts of heat energy, resulting in a decrease of life. 2, under the condition of high temperature operation, the luminous flux of LED lamps and lanterns is reduced. The basic structure of the LED is a semiconductor P - N junction, a slightly higher temperature, the working performance will decline, so the heat dissipation is crucial for the LED. Due to the LED luminous flux is will decrease with the rising of junction temperature, as shown in figure, the standard values for the junction temperature 25 ℃, the junction temperature to 100 ℃, luminous flux is only about 80%. 3, material quality decline usually electronic device used for a long time, some material can easily oxidized, rise in the temperature of the LED lamps and lanterns, these materials again and again high temperature oxidation, the quality will drop, shorten service life. Because the switch of lamps and lanterns, at the same time multiple heat bilges cold shrink, cause the strength of the material was damaged. 4, overheating caused by electronic devices fault it is the common fault of the semiconductor heat source, when LED temperature rise, electrical impedance increases, lead to current is added, the current increase in heat rise, so cycle, more and more heat, will eventually cause overheating and damage the electronic components, electronic breakdown. 5, material deformation due to overheating of lamps and lanterns of LED lamps and lanterns is composed of multiple parts, of which the different parts of the different materials, the material of heat bilges cold shrink the size is different, when the temperature rises, some material can produce inflation because of overheating, bending. If the distance between the adjacent parts is too small, both can produce extrusion, serious when can damage components. LED lamps you will create so many problems, these parts, will be to cause a decline in the performance of the LED lamps and lanterns, shorten the life, so the LED heat dissipation technology is an important technical problems. In future in improving the LED power conversion at the same time, should be more efficient LED heat dissipation structure design, let the LED lighting lamps and lanterns to get rid of the heat dissipation problems. However, although in LED lamps and lanterns, the radiator in the cost of lamps and lanterns of a large block, some manufacturers in order to save the cost, in the structure of radiator, materials and design on shoddy, resulting in serious after-sales problem of lamps and lanterns. See LED to the great influence of the heat dissipating performance of LED lamps and lanterns of lamps and lanterns, hope everyone in the face of all kinds of lighting engineering, don't ignore the radiator of the fire, because of the radiator performance, will be directly affect the service life of what you buy large quantities of lamps and lanterns.
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