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Heat pipe radiator is a new product which can be produced by using heat pipe technology to make significant improvement on many old radiator or heat exchange products and systems. Heat pipe heatsink has two categories of natural cooling and forced air cooling. The heat resistance value of the air-cooled heat pipe radiator can be made smaller, which is often used in power electronics, IGBT, inverter, transformer, high-power power supply, LED lamps and lanterns, etc.
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Heat pipe radiator is a new product which can be produced by using heat pipe technology to make significant improvement on many old radiator or heat exchange products and systems.Heat pipe heatsink has two categories of natural cooling and forced air cooling.The heat resistance value of the air-cooled heat pipe radiator can be made smaller, which is often used in power electronics, IGBT, inverter, transformer, high-power power supply, LED lamps and lanterns, etc.
The heat pipe radiator is composed of sealing pipe, imbibition wick and steam passage.The imbibition wick is surrounded by the wall of the sealing tube and impregnated with a saturated liquid which can volatilize.The liquid can be distilled water or ammonia, methanol or acetone.Heat pipe radiators filled with ammonia, methanol, acetone and other liquids still have good heat dissipation ability at low temperature.
When the heat pipe radiator is running, the heat is generated when its evaporating section absorbs the heat source (power semiconductor device, etc.) and makes the liquid in the pipette boil into steam.The heated steam moves from the evaporating section of the heat pipe radiator to its cooling section. When the steam passes the heat to the cooling section, the steam condenses into a liquid.The condensed liquid is then returned to the evaporating section through the capillarity of the pipe-wall wick, thus repeating the cycle for continuous cooling.
The heat pipe radiator is a kind of high efficiency cooling device, it has the unique cooling characteristic.That is, it has a high thermal conductivity, and the temperature distribution along the axial direction between the evaporation section and the cooling section is uniform and basically equal.

Heat pipe radiators has the following advantages:
①The thermal response is fast, and its ability to transfer heat is more than 1,000 times greater than copper pipe with the same size and weight;
②Small size and light weight;
③High heat dissipation efficiency, can simplify the heat dissipation design of electronic equipment, such as variable air cooling for self-cooling;
④No external power supply is required, and no special maintenance is required when working;
⑤It has good isothermal property, after thermal equilibrium, the temperature gradients in the evaporation and cooling sections are rather small and can be approximately considered as 0;
⑥Safe and reliable operation, do not pollute the environment.

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