Loop heat pipe heat dissipator, lamp and heat dissipation method adopting loop heat pipe heat dissipator

Abstract

The invention discloses a loop heat pipe heat dissipator, a lamp and a heat dissipation method adopting the loop heat pipe heat dissipator. The loop heat pipe heat dissipator comprises a housing and an inner core, wherein the inner core is positioned in the housing; a liquid storage cavity, an evaporation cavity and a condensing cavity are formed between the housing and the inner core; the liquid storage cavity is suitable for storing a heat dissipation liquid; heat generated by a heat source is suitable for being conducted to the evaporation cavity; the inner core is further provided with at least one capillary through hole; the capillary through hole is used for communicating the liquid storage cavity with the evaporation cavity, so that the liquid storage cavity, the evaporation cavity and the condensing cavity form a circulating loop through the capillary through hole; and the heat dissipation liquid flows in the circulating loop and is subjected to vapor-liquid phase change by at least twice for dissipating heat generated by the heat source to the outer part of the loop heat pipe heat dissipator.

Description

technical field [0001] The present invention relates to a loop radiator, in particular to a loop heat pipe radiator suitable for heat sources such as lamps and computer processor systems, wherein the loop heat pipe radiator can greatly improve the heat dissipation effect to optimize lamps or the working environment of the processor system. Background technique [0002] Lamps, which play an important role in daily life, generate a lot of heat while producing light. If the heat cannot be effectively discharged from the lamp when the lamp is working, the temperature inside the lamp will rise rapidly. As a result, the working stability and service life of the lamp are seriously affected, especially for the LED lamp, its heat dissipation performance is particularly important. [0003] The heat dissipation of lamps in the prior art is mostly realized based on the heat sink of metal materials, for example, the heat generated by the lamp is conducted from the heat source to the met...

AI Technical Summary

Problems solved by technology

However, lamps designed according to this design idea often have defects such as large storage volume and heavy weight, and although metal radiators have good thermal conductivity, their heat radiation effect is average, resulting in low heat dissipation efficiency, and the heat dissipation of metal materials The cost of the device is high

In addition, there is also a heat sink based on a heat transfer liquid as a heat transfer medium. This heat transfer liquid is filled with the entire cavity, and the heat generated by the heat source is conducted to the other end of the heat sink through the heat transfer liquid for convection and / or radiation. This heat transfer liquid does not flow during the heat dissipation process, resulting in low heat dissipation efficiency

[0004] In addition, the above-mentioned heat sink is also widely used in the heat dissipation structure of the processor system of computers or other computer equipment, and it also has low heat dissipation efficiency, which is not conducive to further improving the working environment of the processor system.

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