Over-temperature protection circuit of fan board, and server system

An over-temperature protection circuit and fan board technology, applied in the server field, can solve the problems of fan board burning, fan board rising heat accumulation, server system security and reliability reduction, etc., so as to improve safety and reliability and avoid burning Effect

Inactive Publication Date: 2019-03-08
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, there are more than 30 server nodes in a cabinet, so the total power of the DC power supply for the cabinet is usually above 6000W. When the fan board is short-circuited, a large amount of energy will impact the fan board, ca

Method used

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  • Over-temperature protection circuit of fan board, and server system
  • Over-temperature protection circuit of fan board, and server system
  • Over-temperature protection circuit of fan board, and server system

Examples

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Example Embodiment

[0025] The core of the present invention is to provide an over-temperature protection circuit for the fan board and a server system. When the fan board is in an over-temperature state, the fan board is used to input a hot-swappable chip to cut off the power input of the fan board to ensure that the fan board has no heat accumulated energy. Power source, so as to prevent the fan board from burning out, thereby improving the safety and reliability of the server system.

[0026] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiment...

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Abstract

The invention discloses an over-temperature protection circuit of a fan board, and a server system. The over-temperature protection circuit comprises a temperature detection circuit for detecting thetemperature of a power supply input port of the fan board, and a power supply control circuit; and the power supply control circuit is used for utilizing a fan board input hot-plugging chip to cut offpower supply input of the fan board when the temperature is not smaller than a preset temperature threshold value. Compared with other positions of the fan board, the power supply input port of the fan board has fastest temperature rise and maximum heat accumulation, thus the temperature of the power supply input port of the fan board is detected, if the temperature is smaller than the preset temperature threshold value, the fan board is considered to be in a safe state, and a protection action is not executed; and if the temperature is not smaller than the preset temperature threshold value,the fan board is considered to be in an over-temperature state, then power supply input of the fan board is cut off through the fan board input hot-plugging chip, it is guaranteed that the fan boarddoes not have a heat accumulated energy source, thus the fan board is prevented from being burned, and the safe reliability of the server system is improved.

Description

technical field [0001] The invention relates to the field of servers, in particular to an over-temperature protection circuit of a fan board and a server system. Background technique [0002] With the development of network services such as the Internet, servers are widely used in many fields. In the rack cabinet server system, the fan board is an important part, providing heat dissipation for the cabinet to ensure its normal operation. As users have higher and higher heat dissipation requirements for the fan board, the load on the fan board is increasing, and the safety and reliability of the fan board are more important. In the prior art, in the rack cabinet server system, the fan board takes power from the copper bars of the whole cabinet, and then supplies power to each fan respectively. Usually, there are more than 30 server nodes in a cabinet, so the total power of the DC power supply for the cabinet is usually above 6000W. When the fan board is short-circuited, a la...

Claims

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Application Information

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IPC IPC(8): F04D27/00
Inventor 曹先帅
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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