The life of LED mining lamp depends largely on the level of heat dissipation, and the main way to improve the level of heat dissipation is to transfer the excess heat generated by the chip through the radiator and radiator. At the same time, the main parameters related to LED heat dissipation are thermal resistance and junction temperature. Temperature rise, etc.
Thermal resistance is the quotient obtained by dividing the difference between the effective temperature of the equipment and the temperature of the external designated reference point by the steady-state power consumption in the equipment. It is an important parameter indicating the degree of heat dissipation of equipment.
Junction temperature refers to the temperature of the semiconductor junction of the main heating part in the LED device. It reflects the temperature value that LED equipment can withstand under working conditions. The heat resistance of chips and phosphors is very high, which basically does not affect the service life of equipment.
Temperature rise refers to the temperature rise of the enclosure environment. It refers to the difference between the temperature of LED equipment shell and the ambient temperature. This is a temperature value that can be directly measured, which can directly reflect the heat dissipation degree around LED devices. If the temperature rises too high, the maintenance rate of LED light source will be greatly reduced.
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