Integrated heat radiation method, system and corresponding heat radiation device

A technology of heat dissipation system and heat dissipation method, applied in cooling/ventilation/heating transformation, electrical components, electrical solid devices, etc., can solve the problems of reducing the effective contact area between the heat sink and the chip, deteriorating heat dissipation performance, and poor thermal conductivity, etc. Achieve the effect of improving the overall heat dissipation effect, reducing the generation of thermal stress, and improving the diffusion of heat

Active Publication Date: 2008-03-26
HUAWEI TECH CO LTD
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  • Claims
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Problems solved by technology

However, the main disadvantage of this method is that devices with the same height must be used, and the elastic thermal pad generally has poor thermal conductivity, which increases thermal resistance
As the number of devices covered by the heat sink increases, the effective contact area between the heat sink and the chip will decrease due to the height error between the devices, and the heat dissipation performance will deteriorate rapidly as the number of devices covered by the heat sink increases.

Method used

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  • Integrated heat radiation method, system and corresponding heat radiation device
  • Integrated heat radiation method, system and corresponding heat radiation device
  • Integrated heat radiation method, system and corresponding heat radiation device

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.

[0023] As shown in FIG. 3 , an embodiment of the present invention provides an integrated heat dissipation method, which is applied to various network communication devices to dissipate heat for multiple chips installed on a circuit board inside the device. The integrated heat dissipation method of the embodiment of the present invention can be applied to natural heat dissipation conditions, and can also be applied to forced air cooling heat dissipation conditions driven by air with fans, such as installing a fan or forced air cooling on one side of the circuit board. A cooling and heat dissipation system, etc., to form an air flow channel for heat dissipation on the circuit board. The integrated cooling method mainly includes the following steps:

[0024] Step 101, install...

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Abstract

This invention relates to an integrated radiation method, a system and a corresponding radiation device, which installs a radiator on each chip mounted on a CB and sets a connecting unit between two adjacent radiators to form a cascade chain to radiate for the covered chips, in which, chips at high temperature trabsmit heat to radiators with low temperature via the chain so as to provide a fine radiation performance for chips on a CB.

Description

technical field [0001] The invention relates to the technical field of heat dissipation of electronic devices, in particular to an integrated heat dissipation method, system and corresponding heat dissipation device applied to a plurality of electronic chips mounted on a printed circuit board. Background technique [0002] With the improvement of the operating frequency and integration of electronic chips on the circuit board, the power of the electronic chips is increasing, and the heat generation is also increasing. The generation of a large amount of heat will make the temperature of the electronic chip continue to rise. Excessive temperature will seriously affect the performance of the electronic chip, and then affect the performance of the circuit board carrying the chip and the whole system. Therefore, the chip, circuit board and the whole system The problem of heat dissipation has become more and more prominent with the development of chip technology. Poor heat dissi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L23/367H05K7/20
CPCH01L2224/16225
Inventor 张俊
Owner HUAWEI TECH CO LTD
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