CN114922840A - Control system and method of redundant fan - Google Patents

Control system and method of redundant fan Download PDF

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Publication number
CN114922840A
CN114922840A CN202210598747.6A CN202210598747A CN114922840A CN 114922840 A CN114922840 A CN 114922840A CN 202210598747 A CN202210598747 A CN 202210598747A CN 114922840 A CN114922840 A CN 114922840A
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redundant fan
rotating speed
redundant
fan
module
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CN202210598747.6A
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CN114922840B (en
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李伟
李岩
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Suzhou Inspur Intelligent Technology Co Ltd
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Suzhou Inspur Intelligent Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00Control
    • F05D2270/30Control parameters, e.g. input parameters
    • F05D2270/303Temperature
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention provides a control system of a redundant fan, wherein a first control module is used for acquiring in-place information of slot equipment corresponding to the redundant fan, and communicating with the redundant fan through a switching module when the slot equipment corresponding to the redundant fan is in place to generate a first speed control command for controlling the speed of the redundant fan; when the slot equipment corresponding to the redundant fan is not in place, a second rotating speed control command for controlling the rotating speed of the redundant fan is generated through communication between the switching module and the redundant fan, wherein the rotating speed of the redundant fan generated by the first rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command.

Description

Control system and method for redundant fan
Technical Field
The invention relates to the field of server fan control, in particular to a redundant fan control system and a redundant fan control method.
Background
With the development of the era, the integration level of the chip is higher and higher, which means that the heat emitted by the server is higher and higher, and a fan is required to dissipate the heat of the server. At present, server fans mostly adopt an N +1 redundancy design to fully ensure the heat dissipation of servers. The fan in the server gives a loud impression, the rotating speed of the fan is high, and the power consumption of the server is easily increased due to the adoption of a heat dissipation redundancy design.
For example, the HYGON 5200 series adopts a four-fan design, in which a redundant fan only dissipates heat of a device on a SLOT (peripheral component interconnect express) on the leftmost side.
In the prior art, in the fan rotation speed control, redundant fans and non-redundant fans are not distinguished, that is, the redundant fans and the non-redundant fans all adopt the same rotation speed control strategy, and regardless of whether the device on the PCIE SLOT corresponding to the redundant fan is in place, the redundant fans can adopt the same rotation speed control strategy as other non-redundant fans to perform control, but this causes redundancy of fan heat dissipation and increase of server power consumption, and is not beneficial to reducing the power consumption of the redundant fans of the server.
Disclosure of Invention
The invention aims to solve the problems in the prior art, innovatively provides a control system and a control method of a redundant fan, effectively solves the problem of high power consumption of the server redundant fan caused by the prior art, and effectively reduces the power consumption of the server redundant fan.
A first aspect of the present invention provides a control system for a redundant fan, comprising: the redundant fan control system comprises a first control module, a switching module, a redundant fan and slot equipment corresponding to the redundant fan, wherein a first in-place information input end of the first control module is in communication connection with an in-place information output end of the slot equipment corresponding to the redundant fan, a rotating speed control end of the first control module is in communication connection with a rotating speed control input end of the redundant fan through the switching module, and a switching control output end of the first control module is in communication connection with a switching control input end of the switching module; the first control module is used for acquiring in-place information of slot equipment corresponding to the redundant fan, and communicating with the redundant fan through the switching module when the slot equipment corresponding to the redundant fan is in place to generate a first rotation speed control command for controlling the rotation speed of the redundant fan; and when the slot equipment corresponding to the redundant fan is not in place, communicating with the redundant fan through the switching module to generate a second rotating speed control command for controlling the rotating speed of the redundant fan, wherein the rotating speed of the redundant fan generated by the first rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command.
Optionally, the system further comprises a first temperature acquisition module and a second control module, wherein an in-place information output end of the first temperature acquisition module is in communication connection with a second in-place information input end of the first control module, and the first temperature acquisition module is used for acquiring temperature information of the slot equipment corresponding to the redundant fan; the temperature information input end of the second control module is in communication connection with the temperature information output end of the first temperature acquisition module, and the rotating speed control end of the second control module is in communication connection with the switching module and the redundant fan.
Further, the first control module is configured to obtain in-place information of the slot device corresponding to the redundant fan and in-place information of the first temperature acquisition module, and when the slot device corresponding to the redundant fan is in place and the first temperature acquisition module is not in place, communicate with the redundant fan through the switching module to generate a first rotation speed control command for controlling a rotation speed of the redundant fan; when the slot equipment corresponding to the redundant fan is not in place, communicating with the redundant fan through the switching module to generate a second rotating speed control command for controlling the rotating speed of the redundant fan; when the slot equipment corresponding to the redundant fan and the first temperature acquisition module are in place, the switch module is used for switching, the second control module is in communication connection with the redundant fan, and generates a third rotating speed control command for controlling the rotating speed of the redundant fan, wherein the rotating speed of the redundant fan generated by the third rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command.
Optionally, for the non-redundant fan, the second control module generates a rotation speed control instruction for controlling the rotation speed of the non-redundant fan according to the temperature of the non-redundant fan corresponding to the second temperature acquisition module of the device to be cooled, and directly sends the generated rotation speed control instruction for controlling the rotation speed of the non-redundant fan to the rotation speed control input end of the non-redundant fan.
Further, the control of redundant fans and the control of non-redundant fans are independent of each other.
Optionally, the first control module is a programmable logic controller.
Optionally, the second control module is a baseboard management controller.
The second aspect of the present invention provides a method for controlling a redundant fan, which is implemented based on the control system for a redundant fan according to the first aspect of the present invention, and includes:
the first control module acquires in-place information of slot equipment corresponding to the redundant fan and judges whether the slot equipment corresponding to the redundant fan is in place;
if the slot equipment corresponding to the redundant fan is in place, communicating with the redundant fan through the switching module to generate a first rotation speed control command for controlling the rotation speed of the redundant fan, and sending the generated first rotation speed control command to the redundant fan through the switching module;
if the slot equipment corresponding to the redundant fan is not in place, the switching module is communicated with the redundant fan to generate a second rotating speed control command for controlling the rotating speed of the redundant fan, and the generated second rotating speed control command is sent to the redundant fan through the switching module, wherein the rotating speed of the redundant fan generated by the first rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command.
Optionally, after the first control module obtains the in-place information of the slot device corresponding to the redundant fan, the method further includes:
acquiring in-place information of the first temperature acquisition module, and judging whether slot equipment corresponding to the redundant fan and the first temperature acquisition module are in place or not;
if the slot equipment corresponding to the redundant fan is in place and the first temperature acquisition module is not in place, communicating with the redundant fan through the switching module to generate a first rotating speed control command for controlling the rotating speed of the redundant fan;
if the slot equipment corresponding to the redundant fan is not in place, communicating with the redundant fan through the switching module to generate a second rotating speed control command for controlling the rotating speed of the redundant fan;
if the slot equipment corresponding to the redundant fan and the first temperature acquisition module are both in place, the switching module is controlled to switch, the second control module is in communication connection with the redundant fan, and a third rotating speed control command for controlling the rotating speed of the redundant fan is generated by the second control module, wherein the rotating speed of the redundant fan generated by the third rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command.
Optionally, the method further comprises:
the second control module generates a rotating speed control instruction for controlling the rotating speed of the non-redundant fan according to the temperature of the non-redundant fan corresponding to the second temperature acquisition module of the device to be cooled, and directly sends the generated rotating speed control instruction for controlling the rotating speed of the non-redundant fan to the rotating speed control input end of the non-redundant fan.
The technical scheme adopted by the invention comprises the following technical effects:
1. when slot equipment corresponding to the redundant fan is in place, a first rotating speed control command for controlling the rotating speed of the redundant fan is generated; when the slot equipment corresponding to the redundant fan is not in place, a second rotating speed control command for controlling the rotating speed of the redundant fan is generated, wherein the rotating speed of the redundant fan generated by the first rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command, the problem of high power consumption of the redundant fan of the server in the prior art is effectively solved, and the power consumption of the redundant fan of the server is effectively reduced.
2. The technical scheme of the invention also comprises a first temperature acquisition module and a second control module, wherein the first temperature acquisition module is used for acquiring the temperature information of the slot equipment corresponding to the redundant fan; when the slot equipment corresponding to the redundant fan is in place and the first temperature acquisition module is not in place, communicating with the redundant fan through the switching module to generate a first rotating speed control command for controlling the rotating speed of the redundant fan; when the slot equipment corresponding to the redundant fan and the first temperature acquisition module are both in place, the redundant fan is switched through the switching module, the second control module is in communication connection with the redundant fan, the second control module generates a third rotating speed control command for controlling the rotating speed of the redundant fan, the rotating speed of the redundant fan generated by the third rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command, so that the rotating speed of the redundant fan is controlled, the in-place condition of the redundant fan corresponding to the slot equipment is considered, the in-place condition of the first temperature acquisition module for acquiring the temperature information of the redundant fan corresponding to the slot equipment is also comprehensively considered, the power consumption of the redundant fan is reduced, and the reliability of the rotating speed control of the redundant fan is improved.
3. According to the technical scheme, for the non-redundant fan, a second control module generates a rotating speed control instruction for controlling the rotating speed of the non-redundant fan according to the temperature of a second temperature acquisition module of the device to be radiated, corresponding to the non-redundant fan, and the generated rotating speed control instruction for controlling the rotating speed of the non-redundant fan is directly sent to a rotating speed control input end of the non-redundant fan.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without any creative effort.
FIG. 1 is a schematic diagram of a control structure of a server redundant fan in the prior art;
FIG. 2 is a schematic diagram of a system according to an embodiment of the present invention;
FIG. 3 is a flow chart of a second method embodiment of the present invention;
FIG. 4 is a schematic flow chart of the embodiment of the third method according to the present invention;
FIG. 5 is a flow chart of the fourth method of the embodiment of the present invention.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.
Example one
As shown in fig. 2, the present invention provides a control system of a redundant fan, comprising: the system comprises a first control module 1, a switching module 2, a redundant fan 3 and slot equipment 4 corresponding to the redundant fan 3, wherein a first in-place information input end of the first control module 1 is in communication connection with an in-place information output end of the slot equipment 4 corresponding to the redundant fan 3, a rotating speed control end of the first control module 1 is in communication connection with a rotating speed control input end of the redundant fan 3 through the switching module 2, and a switching control output end of the first control module 1 is in communication connection with a switching control input end of the switching module 2; the first control module 1 is configured to obtain in-place information of the slot device 4 corresponding to the redundant fan 3, and when the slot device 4 corresponding to the redundant fan 3 is in place, communicate with the redundant fan 3 through the switching module 2 to generate a first speed control command for controlling the speed of the redundant fan 3; when the slot device 4 corresponding to the redundant fan 3 is not in place, the switching module 2 communicates with the redundant fan 3 to generate a second rotating speed control command for controlling the rotating speed of the redundant fan 3, wherein the rotating speed of the redundant fan 3 generated by the first rotating speed control command is greater than the rotating speed of the redundant fan 3 generated by the second rotating speed control command.
Preferably, the control system of the redundant fan in the embodiment of the present invention further includes a first temperature acquisition module 5 and a second control module 6, an in-place information output end of the first temperature acquisition module 5 is in communication connection with a second in-place information input end of the first control module 1, and the first temperature acquisition module 5 is configured to acquire temperature information of the slot device 4 corresponding to the redundant fan 3; the temperature information input end of the second control module 6 is in communication connection with the temperature information output end of the first temperature acquisition module 5, and the rotating speed control end of the second control module 6 is in communication connection with the switching module 4 and the redundant fan 3.
Further, the first control module 1 is configured to obtain in-place information of the slot device 4 corresponding to the redundant fan 3 and in-place information of the first temperature acquisition module 5, and when the slot device 4 corresponding to the redundant fan 3 is in place and the first temperature acquisition module 5 is not in place, communicate with the redundant fan 3 through the switching module 2 to generate a first rotation speed control command for controlling a rotation speed of the redundant fan 3; when the slot equipment 4 corresponding to the redundant fan 3 is not in place, the switching module 2 is communicated with the redundant fan 3 to generate a second rotating speed control command for controlling the rotating speed of the redundant fan 3; when the slot equipment 4 corresponding to the redundant fan 3 and the first temperature acquisition module 5 are both in place, the switching module 2 is used for switching, the second control module 6 is in communication connection with the redundant fan 3, the second control module 6 generates a third rotating speed control command for controlling the rotating speed of the redundant fan 3, and the rotating speed of the redundant fan 3 generated by the third rotating speed control command is greater than the rotating speed of the redundant fan 3 generated by the second rotating speed control command.
For the non-redundant fan 7, the second control module 6 generates a rotating speed control instruction for controlling the rotating speed of the non-redundant fan 7 according to the temperature of the non-redundant fan 7 corresponding to the second temperature acquisition module 9 of the device to be cooled 8, and directly sends the generated rotating speed control instruction for controlling the rotating speed of the non-redundant fan 7 to the rotating speed control input end of the non-redundant fan 7.
Further, the control of the redundant fans 3 and the control of the non-redundant fans 7 are independent of each other to avoid that the control of the redundant fans 3 and the control of the non-redundant fans 7 affect each other.
In particular, the first control module 1 may be a Programmable Logic controller, i.e. a CPLD (Complex Programmable Logic Device). The second control module 6 may be a baseboard Management controller (bmc). The switch module 2 may be a switch chip, and the model of the switch chip may be SN74LVC1G3157DRYR, which is an alternative switch chip and may be switched by the high or low of the SEL signal (from the switch control output terminal of the first control module 1).
In the embodiment of the present invention, the rotation speed of the redundant fan 3 generated by the first rotation speed control command is greater than the rotation speed of the redundant fan 3 generated by the second rotation speed control command, and the rotation speed of the redundant fan 3 generated by the third rotation speed control command is greater than the rotation speed of the redundant fan 3 generated by the second rotation speed control command; namely, the rotating speed of the redundant fan 3 generated by the first rotating speed control command and the rotating speed of the redundant fan 3 generated by the third rotating speed control command are both greater than the rotating speed of the redundant fan 3 generated by the second rotating speed control command, so as to ensure that the rotating speed of the redundant fan 3 when the slot device 4 corresponding to the redundant fan 3 is not in place is less than the rotating speed of the redundant fan 3 when the slot device 4 corresponding to the redundant fan 3 is not in place, and the purpose of reducing the power consumption of the redundant fan of the server is achieved. The embodiment of the present invention is not limited to the magnitude relationship between the rotation speed of the redundant fan 3 generated by the first rotation speed control command and the rotation speed of the redundant fan 3 generated by the third rotation speed control command, and the rotation speed of the redundant fan 3 generated by the first rotation speed control command may be greater than the rotation speed of the redundant fan 3 generated by the third rotation speed control command, or may be less than the rotation speed of the redundant fan 3 generated by the third rotation speed control command, and may be flexibly adjusted according to an actual condition (the temperature of the slot device corresponding to the redundant fan acquired by the first temperature acquisition module), that is, when the temperature of the slot device corresponding to the redundant fan acquired by the first temperature acquisition module is less than a preset temperature threshold, the rotation speed of the redundant fan 3 generated by the third rotation speed control command is less than the rotation speed of the redundant fan 3 generated by the first rotation speed control command; when the temperature of the slot equipment corresponding to the redundant fan acquired by the first temperature acquisition module is greater than a preset temperature threshold value, the rotating speed of the redundant fan 3 generated by the third rotating speed control command is greater than the rotating speed of the redundant fan 3 generated by the first rotating speed control command; in order to improve the heat dissipation reliability of the slot device corresponding to the redundant fan 3, the rotation speed of the redundant fan 3 generated by the third rotation speed control command may be set to be less than or equal to the rotation speed of the redundant fan 3 generated by the first rotation speed control command. The first rotational speed control command, the second rotational speed control command, and the third rotational speed control command may be PWM signals (Pulse width modulation). The slot device 4 and the device to be cooled 8 are PCIE devices installed in PCIE slots.
When slot equipment corresponding to the redundant fan is in place, a first rotating speed control command for controlling the rotating speed of the redundant fan is generated; when the slot equipment corresponding to the redundant fan is not in place, a second rotating speed control command for controlling the rotating speed of the redundant fan is generated, wherein the rotating speed of the redundant fan generated by the first rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command, the problem of high power consumption of the server redundant fan caused by the prior art is effectively solved, and the power consumption of the server redundant fan is effectively reduced.
The technical scheme of the invention also comprises a first temperature acquisition module and a second control module, wherein the first temperature acquisition module is used for acquiring the temperature information of the slot equipment corresponding to the redundant fan; when the slot equipment corresponding to the redundant fan is in place and the first temperature acquisition module is not in place, communicating with the redundant fan through the switching module to generate a first rotating speed control command for controlling the rotating speed of the redundant fan; when the slot equipment corresponding to the redundant fan and the first temperature acquisition module are both in place, the second control module is in communication connection with the redundant fan through switching of the switching module, and a third rotating speed control command for controlling the rotating speed of the redundant fan is generated by the second control module, wherein the rotating speed of the redundant fan generated by the third rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command, so that the rotating speed of the redundant fan is controlled, the in-place condition of the slot equipment corresponding to the redundant fan is considered, the in-place condition of the first temperature acquisition module for acquiring the temperature information of the slot equipment corresponding to the redundant fan is comprehensively considered, the power consumption of the redundant fan is reduced, and the reliability of the rotating speed control of the redundant fan is improved.
According to the technical scheme, for the non-redundant fan, a second control module generates a rotating speed control instruction for controlling the rotating speed of the non-redundant fan according to the temperature of a second temperature acquisition module of the device to be radiated, corresponding to the non-redundant fan, and the generated rotating speed control instruction for controlling the rotating speed of the non-redundant fan is directly sent to a rotating speed control input end of the non-redundant fan.
Example two
As shown in fig. 3, the technical solution of the present invention further provides a control method for a redundant fan, which is implemented based on a control system for a redundant fan in the first embodiment, and includes:
s1, the first control module obtains the in-place information of the slot equipment corresponding to the redundant fan and judges whether the slot equipment corresponding to the redundant fan is in place; if the judgment result is yes, executing step S2; if the judgment result is no, executing the step S3;
s2, the first control module communicates with the redundant fan through the switching module to generate a first rotation speed control command for controlling the rotation speed of the redundant fan, and the generated first rotation speed control command is sent to the redundant fan through the switching module;
and S3, the first control module is communicated with the redundant fan through the switching module to generate a second rotating speed control command for controlling the rotating speed of the redundant fan, and the generated second rotating speed control command is sent to the redundant fan through the switching module, wherein the rotating speed of the redundant fan generated by the first rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command.
When slot equipment corresponding to the redundant fan is in place, a first rotating speed control command for controlling the rotating speed of the redundant fan is generated; when the slot equipment corresponding to the redundant fan is not in place, a second rotating speed control command for controlling the rotating speed of the redundant fan is generated, wherein the rotating speed of the redundant fan generated by the first rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command, the problem of high power consumption of the server redundant fan caused by the prior art is effectively solved, and the power consumption of the server redundant fan is effectively reduced.
EXAMPLE III
As shown in fig. 4, the technical solution of the present invention further provides a method for controlling a redundant fan, further comprising:
s1, the first control module obtains the in-place information of the slot equipment corresponding to the redundant fan and judges whether the slot equipment corresponding to the redundant fan is in place; if the judgment result is yes, executing step S2; if the judgment result is no, executing the step S3;
s2, acquiring the in-place information of the first temperature acquisition module, and judging whether the first temperature acquisition module is in place; if the judgment result is yes, executing step S4; if the judgment result is no, executing the step S5;
s3, communicating with the redundant fan through the switching module, generating a second rotating speed control command for controlling the rotating speed of the redundant fan, and sending the generated second rotating speed control command to the redundant fan through the switching module;
s4, controlling the switching module to switch, wherein the second control module is in communication connection with the redundant fan, and generates a third rotating speed control command for controlling the rotating speed of the redundant fan, and the rotating speed of the redundant fan generated by the third rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command;
and S5, communicating with the redundant fan through the switching module, generating a first rotation speed control command for controlling the rotation speed of the redundant fan, and sending the generated first rotation speed control command to the redundant fan through the switching module.
The technical scheme of the invention also comprises a first temperature acquisition module and a second control module, wherein the first temperature acquisition module is used for acquiring the temperature information of the slot equipment corresponding to the redundant fan; when the slot equipment corresponding to the redundant fan is in place and the first temperature acquisition module is not in place, communicating with the redundant fan through the switching module to generate a first rotating speed control command for controlling the rotating speed of the redundant fan; when the slot equipment corresponding to the redundant fan and the first temperature acquisition module are both in place, the second control module is in communication connection with the redundant fan through switching of the switching module, and a third rotating speed control command for controlling the rotating speed of the redundant fan is generated by the second control module, wherein the rotating speed of the redundant fan generated by the third rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command, so that the rotating speed of the redundant fan is controlled, the in-place condition of the slot equipment corresponding to the redundant fan is considered, the in-place condition of the first temperature acquisition module for acquiring the temperature information of the slot equipment corresponding to the redundant fan is comprehensively considered, the power consumption of the redundant fan is reduced, and the reliability of the rotating speed control of the redundant fan is improved.
Example four
As shown in fig. 5, the technical solution of the present invention further provides a method for controlling a redundant fan, further comprising:
s1, the first control module obtains the in-place information of the slot equipment corresponding to the redundant fan and judges whether the slot equipment corresponding to the redundant fan is in place; if the judgment result is yes, executing step S2; if the judgment result is no, executing step S3;
s2, acquiring the in-place information of the first temperature acquisition module, and judging whether the first temperature acquisition module is in place; if the judgment result is yes, executing step S4; if the judgment result is no, executing step S5;
s3, communicating with the redundant fan through the switching module, and generating a second rotating speed control command for controlling the rotating speed of the redundant fan;
s4, controlling the switching module to switch, wherein the second control module is in communication connection with the redundant fan, and generates a third rotating speed control command for controlling the rotating speed of the redundant fan, and the rotating speed of the redundant fan generated by the third rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command;
s5, communicating with the redundant fan through the switching module, and generating a first rotating speed control command for controlling the rotating speed of the redundant fan;
and S6, the second control module generates a rotating speed control instruction for controlling the rotating speed of the non-redundant fan according to the temperature of the non-redundant fan corresponding to the second temperature acquisition module of the device to be cooled, and directly sends the generated rotating speed control instruction for controlling the rotating speed of the non-redundant fan to the rotating speed control input end of the non-redundant fan.
According to the technical scheme, for the non-redundant fan, a second control module generates a rotating speed control instruction for controlling the rotating speed of the non-redundant fan according to the temperature of the non-redundant fan corresponding to a second temperature acquisition module of the equipment to be cooled, the generated rotating speed control instruction for controlling the rotating speed of the non-redundant fan is directly sent to a rotating speed control input end of the non-redundant fan, and the control on the redundant fan and the control on the non-redundant fan are independent to each other, so that the control on the redundant fan and the control on the non-redundant fan are not interfered with each other and do not influence each other.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims (10)

1. A control system for a redundant fan, comprising: the redundant fan control system comprises a first control module, a switching module, a redundant fan and slot equipment corresponding to the redundant fan, wherein a first in-place information input end of the first control module is in communication connection with an in-place information output end of the slot equipment corresponding to the redundant fan, a rotating speed control end of the first control module is in communication connection with a rotating speed control input end of the redundant fan through the switching module, and a switching control output end of the first control module is in communication connection with a switching control input end of the switching module; the first control module is used for acquiring in-place information of slot equipment corresponding to the redundant fan, and communicating with the redundant fan through the switching module when the slot equipment corresponding to the redundant fan is in place to generate a first rotation speed control command for controlling the rotation speed of the redundant fan; when the slot equipment corresponding to the redundant fan is not in place, a second rotating speed control command for controlling the rotating speed of the redundant fan is generated through communication between the switching module and the redundant fan, wherein the rotating speed of the redundant fan generated by the first rotating speed control command is larger than the rotating speed of the redundant fan generated by the second rotating speed control command.
2. The control system of claim 1, further comprising a first temperature acquisition module and a second control module, wherein an in-place information output terminal of the first temperature acquisition module is in communication connection with a second in-place information input terminal of the first control module, and the first temperature acquisition module is configured to acquire temperature information of the slot device corresponding to the redundant fan; the temperature information input end of the second control module is in communication connection with the temperature information output end of the first temperature acquisition module, and the rotating speed control end of the second control module is in communication connection with the switching module and the redundant fan.
3. The control system of claim 2, wherein the first control module is configured to obtain in-place information of the slot device corresponding to the redundant fan and in-place information of the first temperature acquisition module, and when the slot device corresponding to the redundant fan is in place and the first temperature acquisition module is not in place, the first control module communicates with the redundant fan through the switching module to generate a first speed control command for controlling a speed of the redundant fan; when the slot equipment corresponding to the redundant fan is not in place, communicating with the redundant fan through the switching module to generate a second rotating speed control command for controlling the rotating speed of the redundant fan; when the slot equipment corresponding to the redundant fan and the first temperature acquisition module are both in place, the switching module is used for switching, the second control module is in communication connection with the redundant fan, the second control module generates a third rotating speed control command for controlling the rotating speed of the redundant fan, and the rotating speed of the redundant fan generated by the third control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command.
4. The system as claimed in any one of claims 1 to 3, wherein for the non-redundant fan, the second control module generates a rotation speed control command for controlling the rotation speed of the non-redundant fan according to the temperature of the second temperature acquisition module of the device to be cooled corresponding to the non-redundant fan, and directly sends the generated rotation speed control command for controlling the rotation speed of the non-redundant fan to the rotation speed control input terminal of the non-redundant fan.
5. The system of claim 4, wherein the control of the redundant fan and the control of the non-redundant fan are independent of each other.
6. A redundant fan control system according to any one of claims 1 to 3 wherein the first control module is a programmable logic controller.
7. A redundant fan control system according to claim 2 or 3, wherein said second control module is a bmc.
8. A control method for a redundant fan, which is implemented based on the control system for a redundant fan according to any one of claims 1 to 7, comprising:
the first control module acquires the in-place information of the slot equipment corresponding to the redundant fan and judges whether the slot equipment corresponding to the redundant fan is in place or not;
if the slot equipment corresponding to the redundant fan is in place, communicating with the redundant fan through the switching module to generate a first rotation speed control command for controlling the rotation speed of the redundant fan, and sending the generated first rotation speed control command to the redundant fan through the switching module;
if the slot equipment corresponding to the redundant fan is not in place, the switching module is communicated with the redundant fan to generate a second rotating speed control command for controlling the rotating speed of the redundant fan, and the generated second rotating speed control command is sent to the redundant fan through the switching module, wherein the rotating speed of the redundant fan generated by the first rotating speed control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command.
9. The method as claimed in claim 8, wherein after the first control module obtains the in-place information of the slot device corresponding to the redundant fan, the method further comprises:
acquiring in-place information of the first temperature acquisition module, and judging whether slot equipment corresponding to the redundant fan and the first temperature acquisition module are in place or not;
if the slot equipment corresponding to the redundant fan is in place and the first temperature acquisition module is not in place, communicating with the redundant fan through the switching module to generate a first rotating speed control command for controlling the rotating speed of the redundant fan;
if the slot equipment corresponding to the redundant fan is not in place, communicating with the redundant fan through the switching module to generate a second rotating speed control command for controlling the rotating speed of the redundant fan;
and if the slot equipment corresponding to the redundant fan and the first temperature acquisition module are both in place, controlling the switching module to switch, enabling the second control module to be in communication connection with the redundant fan, and enabling the second control module to generate a third rotating speed control command for controlling the rotating speed of the redundant fan, wherein the rotating speed of the redundant fan generated by the third control command is greater than the rotating speed of the redundant fan generated by the second rotating speed control command.
10. A method for controlling a redundant fan according to claim 8 or 9, further comprising:
the second control module generates a rotating speed control instruction for controlling the rotating speed of the non-redundant fan according to the temperature of the non-redundant fan corresponding to the second temperature acquisition module of the device to be cooled, and directly sends the generated rotating speed control instruction for controlling the rotating speed of the non-redundant fan to the rotating speed control input end of the non-redundant fan.
CN202210598747.6A 2022-05-30 2022-05-30 Control system and method for redundant fan Active CN114922840B (en)

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CN110985426A (en) * 2019-11-29 2020-04-10 苏州浪潮智能科技有限公司 Fan control system and method for PCIE Switch product
CN111124086A (en) * 2019-12-06 2020-05-08 苏州浪潮智能科技有限公司 Method and device for regulating and controlling rotating speed of server fan

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Publication number Priority date Publication date Assignee Title
CN110221665A (en) * 2018-09-30 2019-09-10 腾讯科技(深圳)有限公司 Radiator, server and spare fans control method
CN109376060A (en) * 2018-11-12 2019-02-22 郑州云海信息技术有限公司 A kind of temperature adjusting method and device
CN110297531A (en) * 2019-06-20 2019-10-01 西安易朴通讯技术有限公司 A kind of control method for fan, device, electronic equipment and storage medium
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