High-pressure-resistant flat heat pipe and machining method thereof
A technology of flat heat pipe and high pressure resistance, which is applied in the direction of indirect heat exchangers, lighting and heating equipment, etc., can solve the problems of limiting the use temperature range of flat heat pipes and the pressure resistance of flat heat pipes, so as to broaden the use temperature range and meet the requirements of reflection. Gravity performance, effect of enhancing pressure resistance performance
Active Publication Date: 2015-06-17
SHANGHAI INST OF SATELLITE EQUIP
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The invention provides a high-pressure-resistant flat heat pipe and a machining method thereof. The high-pressure-resistant flat heat pipe comprises an upper cover plate, a lower cover plate, capillary cavities and reinforcing ribs, wherein the upper cover plate is connected with the lower cover plate to form an airtight cavity, the reinforcing ribs arranged into a dot matrix are arranged on the upper cover plate and located in the airtight cavity, the upper cover plate is connected with the lower cover plate through the reinforcing ribs, communicated steam channels are arranged outside the reinforcing ribs, the capillary cavities are formed in the outer surfaces of the reinforcing ribs, and each capillary cavity is provided with a plurality of capillary core structures used for adsorbing liquid-phase working media. By arranging the cubic reinforcing ribs on the upper cover plate evenly, the pressure resistance of the flat heat pipe is improved. The inner surface is filled with the capillary cavities provided with the capillary core structures through sintering, and thus antigravity performance is realized.
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