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Fan control circuit and system

A technology of fan control and fan controller, applied in the server field, can solve the problem of inability to effectively protect the fan control system, and achieve the effect of stable and comprehensive protection

Active Publication Date: 2019-01-18
INVENTEC PUDONG TECH CORPOARTION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a fan control circuit and a fan control system to solve the problem in the prior art that effective protection cannot be provided when the fan control system in the server is abnormal.

Method used

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Embodiment Construction

[0038] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0039] see Figure 1 to Figure 5 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any mod...

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Abstract

The invention provides a fan control circuit and system. The circuit and the system are suitable for a server. The fan control circuit includes a fan controller and a substrate state detection circuit. The fan controller is connected with at least one fan connector and connected with a substrate management controller through an integrated circuit bus communication line and outputs a substrate management controller fan signal, and a main power supply supplies power to the fan controller. The substrate state detection circuit is connected with the substrate management controller and the fan controller respectively, detects a heartbeat signal of the substrate management controller and outputs a fan pulse signal according to the heartbeat signal control so as to control a fan connected with the fan connector to work normally. The N+1 redundancy of the substrate management controller (BMC) and the fan are considered, the abnormal detection and protection of all links of the whole fan control system are taken into account, and more effective, stable and comprehensive protection is provided when the fan control system is abnormal.

Description

technical field [0001] The present invention relates to the technical field of servers, in particular to the technical field of server heat dissipation, and specifically relates to a fan control circuit and a fan control system. Background technique [0002] With the development of the Internet, its requirements for computing and storage capabilities, power consumption, and stability of servers are also getting higher and higher. So the price of the server is even higher. At the same time, the server needs to run 24 hours a day, which requires us that during the operation of the server, all kinds of abnormalities cannot affect the normal operation of the system business, and it is even more unacceptable that abnormalities will cause component failure or even burn down. [0003] The abnormality of the fan control system in the server will directly lead to poor heat dissipation of the server system, which will cause the server to fail to work, or even burn down, causing a fir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D27/00
CPCF04D27/00F04D27/001F04D27/008F04D27/004G06F1/20Y02B30/70G05D23/1934G06F1/206H05K7/20209H05K7/20718H05K7/20836
Inventor 詹鹏袁江涛
Owner INVENTEC PUDONG TECH CORPOARTION
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