Loop heat pipe with annular separating devices being changed at intervals in height direction

Abstract

The invention provides a heat pipe. The heat pipe comprises an evaporation header pipe, a condensation header pipe, ascending pipes and flow returning pipes. The ascending pipes communicate with the evaporation header pipe and the condensation header pipe. The evaporation header pipe is located on the lower portion, and the condensation header pipe is located on the upper portion. Fluid absorbs heat in the evaporation header pipe to be evaporated, enters the condensation header pipe through the ascending pipes and is further condensed after being subjected to heat exchange in the condensation header pipe, and the condensed fluid returns to the evaporation header pipe through the flow returning pipes. The separating devices are arranged in the ascending pipes, and of the multiple separating devices are arranged in the same ascending pipe. Due to the facts that the separating devices are arranged inside the ascending pipes, and the multiple separating devices are arranged in the same ascending pipe, the distances between the adjacent separating devices are decreased continuously in the height direction of the ascending pipes. By the adoption of the heat pipe, through spaced change of the separating devices, when vapor and liquid two-phase fluid exists in the ascending pipes, heat transfer is enhanced; and meanwhile, vibration of the ascending pipes is weakened, and the level of noise is lowered.

Description

technical field [0001] The invention belongs to the field of heat pipes, in particular to a heat exchange heat pipe. Background technique [0002] Heat pipe technology is a heat transfer element called "heat pipe" invented by George Grover of Los Alamos National Laboratory in the United States in 1963. It makes full use of the principle of heat conduction and phase change medium. The rapid heat transfer properties of the heat pipe quickly transfer the heat of the heating object to the heat source, and its thermal conductivity exceeds that of any known metal. [0003] Heat pipe technology was widely used in aerospace, military and other industries before. Since it was introduced into the radiator manufacturing industry, people have changed the traditional radiator design ideas and got rid of the single heat dissipation mode that only relies on high air volume motors to obtain better heat dissipation. The use of heat pipe technology enables the radiator to obtain a satisfacto...

AI Technical Summary

Problems solved by technology

However, it was found during the operation of this device that the space A formed between the three pipes is relatively small because the pipes are tightly combined, because the space A is formed by the convex arc of the three pipes, so most of the space A Narrowness will make it difficult for the fluid to enter and pass through, resulting in a short circuit of the fluid, which affects the heat transfer of the fluid and cannot play a good role in stabilizing the flow

Simultaneously because the many tubes of above-mentioned structure are combined together, manufacture difficulty

[0007] In view of the above problems, the present invention has been improved on the basis of the previous invention, and a new heat pipe is provided, thereby solving the problems of low heat transfer coefficient and uneven heat transfer in the case of heat pipe heat exchange

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