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Ways to Control Fan Speed

A fan speed and fan technology, applied in pump control, non-variable pumps, machines/engines, etc., can solve problems such as crashes and high temperature in rack systems

Active Publication Date: 2016-01-20
INVENTEC PUDONG TECH CORPOARTION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides a method for controlling the rotational speed of the fan, so as to avoid the problem of the rack system being overheated and shutting down due to the failure of the heat dissipation function when the fan control board or the fan cannot operate normally.

Method used

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Examples

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Embodiment Construction

[0036] figure 1 It is a block diagram of a rack system according to an embodiment of the present invention. Please refer to figure 1 , the rack system 100 includes an integrated management module (Integrated Management Module, IMM) 110, P fan control boards (FanControlBoard, FCB) 120_1~120_P, Q baseboard management controllers (BoardManagementController, BMC) 130_1~130_Q, Q servers 140_1 ~140_Q, Ethernet switches 150_1~150_2, and a power supply unit (PowerSupplyUnit, PSU) 160, wherein P and Q are positive integers.

[0037] The special feature of the rack system 100 is that the integrated management module 110 can send a network signal through a management network to detect whether the communication with the fan control boards 120_1˜120_P is maintained. In this embodiment, for example, the integrated management module 110 can transmit network signals through the Ethernet switch 150_1 to manage the fan control boards 120_1-120_P, the baseboard management controllers 130_1-130...

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Abstract

The invention discloses a method capable of controlling fan rotating speed. The method capable of controlling the fan rotating speed comprises following steps: firstly, a machine frame system is provided, the machine frame system comprises an integration management module, multiple fan control panels and multiple fans which are controlled by the fan control panels. The fans are used for assisting the machine frame system to conduct heat dissipation, and the fan control panels monitor operation state information of the fans and conduct uploading the information to the integration management module. Whether the integration management module keeps communication with the fan control panels is judged, and whether the number of operation failures in the fans is bigger than preset value is judged. If at least one of the integration management module and the fan control panels is not communicated or the number of the operation failures in the fans is bigger than the preset value, a command is sent through the integration management module, and the command is used for improving fan rotating speeds of the rest normal-operation fans to a safety range.

Description

technical field [0001] The present invention relates to a method for controlling the rotational speed of a fan, and in particular to a method for controlling the rotational speed of a fan in a rack system. Background technique [0002] In recent years, the development of computer servers has gradually developed from a traditional vertical server that is large in size and takes up space to a rack system (RackSystem) that manages several chassis in a unified manner. The rack system is a server whose appearance is designed according to a unified standard and used in conjunction with the chassis. Rack systems are designed primarily to take as little server space as possible. Many professional network devices are rack-mounted, such as switches, routers, hardware firewalls, and so on. [0003] The basic structure of the rack system is roughly the same as that of a general personal computer. Compared with personal computers, rack systems usually have high-specification configura...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D27/00
Inventor 覃晓旭
Owner INVENTEC PUDONG TECH CORPOARTION
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