A fan control method, device, apparatus, and storage medium

By combining BMC and CPLD in the fan control strategy, the problem of slow response of PID algorithm when temperature changes suddenly is solved, achieving rapid heat dissipation and ensuring the safety and stability of internal server components.

CN115681186BActive Publication Date: 2026-07-21LOONGSON ZHONGKE (XIAN) TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LOONGSON ZHONGKE (XIAN) TECH CO LTD
Filing Date
2022-11-11
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

In existing technologies, PID algorithms are not sensitive enough to large changes in the internal temperature of servers when controlling fans, resulting in the inability to dissipate heat in time and effectively cope with sudden temperature changes.

Method used

A control strategy combining BMC and CPLD is adopted. By monitoring the temperature change in real time, the PID algorithm is used to control the fan speed when the temperature change is less than the threshold, and the control is handed over to the CPLD when the temperature change is greater than the threshold to achieve rapid full rotation and ensure timely heat dissipation.

Benefits of technology

It enables rapid response and timely heat dissipation when temperatures change drastically, reducing damage to internal components caused by sudden temperature changes and improving the timeliness and efficiency of temperature regulation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a fan control method, device, equipment and storage medium, and belongs to the technical field of data processing. The method is applied to a BMC, and the method comprises the following steps: monitoring a temperature variation of a temperature monitoring object in a device where the BMC is located in real time; when the temperature variation is less than or equal to a threshold value, the rotating speed of a fan is controlled according to a first control strategy; when the temperature variation is greater than the threshold value, the BMC transfers the control right of the fan to a control device, so that the control device controls the rotating speed of the fan according to a second control strategy; wherein the corresponding rotating speed adjustment speed of the second control strategy is faster than the corresponding rotating speed adjustment speed of the first control strategy, and is used for timely heat dissipation of the temperature monitoring object. The application has the effect of timely controlling the fan to perform heat dissipation in the case of a large temperature change.
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