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Method and apparatus for adjusting fan rotary speed

A fan speed, fan technology, applied in auxiliary non-electric temperature control, temperature control using electric methods, instruments, etc., can solve the problems of reducing fan life, fan speed changes, system performance impact, etc., to improve service life, Reasonable judgment of speed regulation and effect of improving system performance

Active Publication Date: 2011-04-13
HUAWEI TECH CO LTD
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Problems solved by technology

[0004] It can be seen from the above technical solutions that in the existing speed regulation strategy, the input signal is only used to control the speed of the fan through simple judgment, which will cause frequent changes in the speed of the fan due to the judgment point being too close, reducing the speed of the fan. life, while the performance of the system is also affected

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  • Method and apparatus for adjusting fan rotary speed
  • Method and apparatus for adjusting fan rotary speed
  • Method and apparatus for adjusting fan rotary speed

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Embodiment Construction

[0019] Embodiments of the present invention provide a method and a device for adjusting the rotational speed of a fan. First obtain the current temperature of the working part; then compare the current temperature of the working part with the preset target temperature on the temperature curve where the working part is located, and adjust the fan on the working part according to the temperature difference obtained by the comparison The speed is adjusted. Specifically, if the temperature difference obtained by comparison is greater than the preset temperature adjustment value, the fan speed on the working part is adjusted; otherwise, the fan speed on the working part is not adjusted. The preset temperature adjustment value mentioned here can be set according to the current fan strategy and usage environment.

[0020] In addition, the above-mentioned fan speed regulation curve can also be divided into a temperature rising curve and a temperature falling curve. Specifically, the ...

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Abstract

The invention provides a method for adjusting the rotation speed of fans and a device thereof. The method comprises: attaining the present temperature of the working parts; comparing the present temperature of the working part with the target temperature preset on a temperature curve of the working part to attain a temperature difference value; when the temperature different value is larger than the preset temperature, adjusting the rotation speed of the fan on the working part, or else, not adjusting the rotation speed. Therefore, the invention can reasonably judge the rotation speed adjustment of fans, avoid frequent speed adjustment for fans, improve the service life of fans and improve system performance.

Description

technical field [0001] The invention relates to the field of fan speed regulation, in particular to a method and device for adjusting the fan speed. Background technique [0002] At present, the heat dissipation design of servers has been paid more and more attention by the industry. After the temperature is lowered, the performance of the server components will be higher, especially the performance of the key computing component CPU; at the same time, the lower temperature can also promote the reduction of power consumption of the server system, and the power conversion efficiency of the device at low temperature will also be improved. . For server fans, if there is no fan speed adjustment technology, the fan can only work at the maximum power consumption or a specific power consumption. big impact. [0003] Such as figure 1 Shown is the fan speed control curve of the CPU in the prior art. In the figure: when the temperature of the CPU is between Tcontrol-10~Tcontrol, t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/19G05D23/185G06F1/20
Inventor 武湛黄爱民
Owner HUAWEI TECH CO LTD
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