Computer Engineering & Science
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LI Hong,LI Jun,GONG Guohui
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We analyze the main factors for poor heat dissipation of an autonomous controlled laptop computer based on domestic central processing unit, and propose an optimized design according to each key factor. The overall heat dissipation performance of the whole laptop computer is improved by optimizing the design of the thermal module, air passage and rotation shaft cover. The temperature test data show that when the computer is running at full load in the working environment of 25℃, the temperature of each test point of the optimized laptop computer is obviously reduced. Therefore heat dissipation performance of the laptop computer has been greatly improved. The hottest area of the C shell keyboard is 35 degrees centigrade, which brings good user experience.
Key words: laptop computer;heat dissipation structure;optimal design, thermal module;air passage;rotation shaft cover
LI Hong,LI Jun,GONG Guohui.
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URL: http://joces.nudt.edu.cn/EN/
http://joces.nudt.edu.cn/EN/Y2019/V41/I03/446