Beijing Yimikang Thermal Technology Co., Ltd. developed LED liquid metal thermal paste

There are many ways to dissipate high-power LED products today, including natural convection cooling, air forced convection cooling, liquid cooling, phase change cooling, and solid state cooling. Among the more mature products, the most used method is still the natural convection with simple structure and low cost, such as LED street lamps, which use the lampshade with large surface area for heat dissipation. Secondly, it is a heat pipe radiator with the advantages of simple structure and no moving parts. However, these measures still cannot meet the heat dissipation requirements of higher power density, and a more efficient heat dissipation method must be adopted.

The liquid metal thermal paste developed by Beijing Yimikang Thermal Technology Co., Ltd. has much higher thermal conductivity than non-metallic coolant, and its thermal conductivity is about 65 times that of water and 1600 times that of air. These metals in a liquid state at normal temperature have good fluidity, can transport heat quickly and efficiently, and the metal conductivity of liquid metal can be driven by an electromagnetic pump, thereby eliminating mechanical moving parts and high reliability.

The practical application shows that the liquid metal heat dissipation system has good heat transfer capability, and can transfer the heat generated by the LED lamp in time, thereby ensuring safe and stable operation of the LED chip. And it can be inferred that the higher the input power of the electromagnetic pump, the higher the flow rate of the liquid metal, and the more heat that is carried away, the more significant the temperature drop of the LED lamp.

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