Electronic chip heat dissipation experiment device based on film evaporation

A technology for electronic chips and experimental devices, applied in electrical components, structural parts of electrical equipment, cooling/ventilation/heating transformation, etc. Heat dissipation, small size and other issues, to achieve the effect of light weight, simple structure and small size

Active Publication Date: 2020-01-03
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the volume of electronic products is getting smaller and smaller, which brings great challenges to heat dissipation
Boiling heat transfer, which utilizes a large amount of latent heat in the phase transition process, is a way to solve the heat dissipation of electronic devices under high heat flow, but it is difficult to avoid the mutual limitation of gas and liquid phases in boiling heat transfer, and it is impossible to separate the gas from the channel and the liquid supply channel. , so it is difficult to further realize the heat dissipation of ultra-high heat flux

Method used

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  • Electronic chip heat dissipation experiment device based on film evaporation
  • Electronic chip heat dissipation experiment device based on film evaporation
  • Electronic chip heat dissipation experiment device based on film evaporation

Examples

Experimental program
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Embodiment Construction

[0036] The present invention will be described in further detail below:

[0037] A cooling and heat dissipation device for electronic chips based on thin film evaporation includes a thin film evaporation generator 3, a liquid storage tank 1, a piezoelectric micropump 2, a temperature control device 4, and pipes and valves connecting various components.

[0038] Further, the thin film evaporation generator 3 includes a bottom plate 20, a cover plate 19, a liquid supply channel 30 is provided in the cover plate 19, and a liquid discharge channel 32 through which excess liquid cooling medium leaves the thin film generator. The cover plate 19 is provided with gas The gas outlet 31 where the cooling medium leaves the thin film generator, the liquid inlet 29 where the liquid cooling medium enters the thin film generator, and the liquid outlet 33 where the excess liquid cooling medium leaves the thin film generator is provided under the cover. The gas outlet 31 on the cover plate 19 is co...

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Abstract

The invention discloses an electronic chip heat dissipation experiment device based on film evaporation. A cooling working medium is stored in a liquid storage tank, enters a liquid inlet of a film evaporation generator through a piezoelectric micro pump, and reaches a film evaporation chip through a liquid supply channel. The redundant cooling working medium at the film evaporation chip reaches aliquid outlet through a liquid discharge channel of the film evaporation generator, leaves the film evaporation generator and finally reaches the liquid storage tank through a pipeline. Gas directlygenerated by film evaporation at the film evaporation chip reaches a heat exchanger of a temperature control device through a gas outlet, is condensed into liquid, and finally reaches the liquid storage tank. The redundant liquid working medium and the generated gas working medium in the film evaporation generator finally return to the liquid storage tank in a liquid state to finish a cycle. The electronic chip heat dissipation experiment device has the advantages of small occupied area, low power consumption and high heat dissipation capacity, and can meet the heat dissipation requirement that the heat flow density exceeds 1kW/cm<2>.

Description

Technical field [0001] The invention relates to the technical field of electronic chip cooling and enhanced heat exchange, in particular to an electronic chip heat dissipation experimental device based on film evaporation. Background technique [0002] With the rapid growth of world industrial development, the demand for high-efficiency heat exchange devices with greater power density is increasing. At the same time, the volume of electronic products is getting smaller and smaller, which brings huge challenges to heat dissipation. Boiling heat exchange using a large amount of latent heat in the phase change process is a way to solve the heat dissipation of electronic devices under high heat flow. However, boiling heat exchange is difficult to avoid the mutual restriction of gas and liquid phases, and it is impossible to realize the separation of gas from the channel and the liquid supply channel. Therefore, it is difficult to further achieve ultra-high heat flux heat dissipation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K7/20
CPCH05K7/20309H05K7/20327H05K7/20381
Inventor 张永海徐鹏卓魏进家
Owner XI AN JIAOTONG UNIV
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