CN109882437A - A kind of fan running state monitoring method, system, device and readable storage medium storing program for executing - Google Patents
A kind of fan running state monitoring method, system, device and readable storage medium storing program for executing Download PDFInfo
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- CN109882437A CN109882437A CN201910150553.8A CN201910150553A CN109882437A CN 109882437 A CN109882437 A CN 109882437A CN 201910150553 A CN201910150553 A CN 201910150553A CN 109882437 A CN109882437 A CN 109882437A
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- fan
- tach signal
- feedback
- running state
- tach
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Abstract
This application discloses a kind of fan running state monitoring methods, comprising: obtains the TACH signal that each fan returns；All TACH signals are handled, feedback TACH signal is obtained；Feedback TACH signal is sent to controller, so that controller determines the operating status of each fan according to feedback TACH signal.Using the scheme of the application, controller, which only needs to receive single feedback TACH signal, can be obtained the operating status of each fan, effectively reduce the quantity of controller processing TACH signal.Disclosed herein as well is a kind of fan running state monitoring system, device and readable storage medium storing program for executing, have beneficial effect identical with said fans running state monitoring method.
Description
Technical field
This application involves server system fields, more particularly to a kind of fan running state monitoring method, system, device
And readable storage medium storing program for executing.
Background technique
In server design now, in face of the high density of server design and the high capacity of hard disk, make internal system empty
Between it is more and more limited, the design of opposite hot-fluid just seems quite important, and mainly export hot-fluid is exactly fan design, usually
Server can all utilize BMC (Baseboard Management Controller, baseboard management controller) or CPLD
(Complex Programmable Logic Device, Complex Programmable Logic Devices) reads the Current Temperatures of system, then
Corresponding PWM (Pulse Width Modulation, pulse width modulation) tach signal is sent to fan according to Current Temperatures,
BMC or CPLD can also receive TACH (Tachometer, tachometer) signal of fan simultaneously, pass through TACH signal acquisition fan mesh
Preceding revolving speed size realizes the monitoring management to fan.
BMC or CPLD in server system can issue PWM tach signal to fan always, to maintain the heat dissipation of system to need
It asks, can also monitor the TACH signal of fan feedback always, to confirm whether system rotation speed of the fan is normal, when being deposited in server system
In multiple fans, BMC or CPLD needs handle a large amount of TACH signal, to judge each fan whether normal operation
(i.e. according to target revolving speed is run), it is more demanding to BMC or CPLD memory space and calculated performance.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Summary of the invention
The purpose of the application is to provide a kind of fan running state monitoring method, system, device and readable storage medium storing program for executing, control
Device processed, which only needs to receive single feedback TACH signal, can be obtained the operating status of each fan, effectively reduce controller processing
The quantity of TACH signal.
In order to solve the above technical problems, this application provides a kind of fan running state monitoring methods, comprising:
Obtain the TACH signal that each fan returns；
All TACH signals are handled, feedback TACH signal is obtained；
The feedback TACH signal is sent to controller, so that the controller is determined according to the feedback TACH signal
The operating status of each fan.
Preferably, described pair of all TACH signals are handled, and obtain the process of feedback TACH signal specifically:
All TACH signals are handled by frequency processing chip, obtain feedback TACH signal.
Preferably, the controller determines the process of the operating status of each fan according to the feedback TACH signal
Specifically:
When the frequency values in the feedback TACH signal are in preset range, the operation shape of each fan is determined
State is normal condition.
Preferably, described pair of all TACH signals are handled, and obtain the process of feedback TACH signal specifically:
All TACH signals are handled by Fourier's therorem, obtain feedback TACH signal.
Preferably, the process for obtaining the TACH signal that each fan returns specifically:
The TACH signal that each fan returns is obtained by predetermined period.
Preferably, after the TACH signal for obtaining each fan return, this method further include:
The input delay for obtaining each TACH signal analyzes the defeated of each TACH signal using Fourier's therorem
Enter delay, determines failure fan；
Correspondingly, the feedback TACH signal includes information corresponding with the failure fan.
In order to solve the above technical problems, present invention also provides a kind of fan running state monitoring systems, comprising:
Module is obtained, the TACH signal returned for obtaining each fan；
Processing module obtains feedback TACH signal for handling all TACH signals；
State determination module, for the feedback TACH signal to be sent to controller, so that the controller is according to institute
State the operating status that feedback TACH signal determines each fan.
Preferably, the processing module is specifically used for:
All TACH signals are handled by frequency processing chip, obtain feedback TACH signal.
In order to solve the above technical problems, present invention also provides a kind of fan device for monitoring running state, comprising:
Memory, for storing computer program；
Processor realizes the fan running state monitoring as described in any one above when for executing the computer program
The step of method.
In order to solve the above technical problems, present invention also provides a kind of readable storage medium storing program for executing, on the readable storage medium storing program for executing
It is stored with computer program, realizes that fan runs shape as described in any one above when the computer program is executed by processor
The step of state monitoring method.
This application provides a kind of fan running state monitoring methods, comprising: obtains the TACH signal that each fan returns；
All TACH signals are handled, feedback TACH signal is obtained；Feedback TACH signal is sent to controller, so as to controller
The operating status of each fan is determined according to feedback TACH signal.As it can be seen that in practical applications, using the scheme of the application, control
Device processed, which only needs to receive single feedback TACH signal, can be obtained the operating status of each fan, effectively reduce controller processing
The quantity of TACH signal.Present invention also provides a kind of fan running state monitoring system, device and readable storage medium storing program for executing, have
Beneficial effect identical with said fans running state monitoring method.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the application
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of step flow chart of fan running state monitoring method provided herein；
Fig. 2 is a kind of hardware structure diagram of fan running state monitoring method provided herein；
Fig. 3 is a kind of structural schematic diagram of fan running state monitoring system provided herein.
Specific embodiment
The core of the application is to provide a kind of fan running state monitoring method, system, device and readable storage medium storing program for executing, control
Device processed, which only needs to receive single feedback TACH signal, can be obtained the operating status of each fan, effectively reduce controller processing
The quantity of TACH signal.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Fig. 1 is please referred to, Fig. 1 is a kind of step flow chart of fan running state monitoring method provided herein, packet
It includes:
Step 1: obtaining the TACH signal that each fan returns；
Embodiment as one preferred handles all TACH signals, obtains the process tool of feedback TACH signal
Body are as follows:
All TACH signals are handled by frequency processing chip, obtain feedback TACH signal.
Firstly the need of being illustrated, server system usually all can be using BMC or CPLD come reading service device system
Current Temperatures, then further in accordance with Current Temperatures to fan issue pwm signal, to control the revolving speed of fan, while BMC or CPLD
Also the TACH signal of fan transmission can be monitored in real time, to confirm that fan current rotating speed is normal, it is to be understood that TACH signal is
By the square-wave signal exported inside fan, the revolving speed of the frequency representative fan of the signal.
Specifically, referring to shown in Fig. 2, the application is (including more in controller (may include BMC or CPLD) and blower module
A fan) between be provided with frequency processing chip, the TACH signal that each fan returns is obtained by frequency processing chip.
Step 2: all TACH signals being handled, feedback TACH signal is obtained；
Specifically, being handled by frequency processing chip all TACH signals got, by all TACH signals
It is integrated into single TACH signal, i.e. feedback TACH signal.
Step 3: feedback TACH signal being sent to controller, so that controller determines each wind according to feedback TACH signal
The operating status of fan.
Embodiment as one preferred, controller determine the mistake of the operating status of each fan according to feedback TACH signal
Journey specifically:
When the frequency values in feedback TACH signal are in preset range, determine that the operating status of each fan is positive
Normal state.
Specifically, feeding back to controller for TACH signal is fed back by frequency processing chip, controller can be according to feedback
TACH signal judges the operating status of each fan, and operating status here includes normal condition and malfunction, normal condition
Refer to that fan running frequency is in frequency range corresponding with received pwm signal.The application can effectively reduce
The TACH signal that the received fan of controller is sent.
This application provides a kind of fan running state monitoring methods, comprising: obtains the TACH signal that each fan returns；
All TACH signals are handled, feedback TACH signal is obtained；Feedback TACH signal is sent to controller, so as to controller
The operating status of each fan is determined according to feedback TACH signal.As it can be seen that in practical applications, using the scheme of the application, control
Device processed, which only needs to receive single feedback TACH signal, can be obtained the operating status of each fan, effectively reduce controller processing
The quantity of TACH signal.
On the basis of the above embodiments:
Embodiment as one preferred obtains the process for the TACH signal that each fan returns specifically:
The TACH signal that each fan returns is obtained by predetermined period.
Embodiment as one preferred handles all TACH signals, obtains the process tool of feedback TACH signal
Body are as follows:
All TACH signals are handled by Fourier's therorem, obtain feedback TACH signal.Specifically,
Embodiment as one preferred, after obtaining the TACH signal that each fan returns, this method further include:
The input delay for obtaining each TACH signal analyzes the input delay of each TACH signal using Fourier's therorem,
Determine failure fan；
Correspondingly, feedback TACH signal includes information corresponding with failure fan.
Specifically, the TACH signal that each fan is fed back can be turned by Fourier's therorem by frequency processing chip
It is changed to single TACH signal to analyze to BMC processing, while frequency processing chip can pass through Fourier's therorem, TACH signal
Input delay or the frequency spectrum to disappear learn which specific fan is failure fan.
In conclusion a kind of detection fan feedback cycle frequency multiplication provided herein supports design scheme, in BMC and wind
It is placed in frequency processing chip between fan, is responsible for receiving the TACH signal (including wind speed frequency) of fan feedback, integrates wind speed frequency
Cycle, then BMC is fed back to by frequency processing chip, so that BMC is analyzed and processed, by frequency processing chip, can incite somebody to action
TACH [1:N] the feedback wind speed of fan changes into single TACH signal by Fourier theorem and analyzes to BMC processing, Ke Yiyou
Effect reduces the TACH signal for the fan feedback that BMC is received, while can be via Fourier theorem point by frequency processing chip
Analysis judges which fan is failure fan in all blower modules.
Referring to figure 3., Fig. 3 is a kind of structural schematic diagram of fan running state monitoring system provided herein, packet
It includes:
Module 1 is obtained, the TACH signal returned for obtaining each fan；
Processing module 2 obtains feedback TACH signal for handling all TACH signals；
State determination module 3 is sent to controller for that will feed back TACH signal, so that controller is according to feedback TACH letter
Number determine the operating status of each fan.
Embodiment as one preferred, processing module 2 are specifically used for:
All TACH signals are handled by frequency processing chip, obtain feedback TACH signal.
Embodiment as one preferred, controller determine the mistake of the operating status of each fan according to feedback TACH signal
Journey specifically:
When the frequency values in feedback TACH signal are in preset range, determine that the operating status of each fan is positive
Normal state.
Embodiment as one preferred, processing module 2 are specifically used for:
All TACH signals are handled by Fourier's therorem, obtain feedback TACH signal.
Embodiment as one preferred obtains the process for the TACH signal that each fan returns specifically:
The TACH signal that each fan returns is obtained by predetermined period.
Embodiment as one preferred, the fan running state monitoring system further include:
Fault determination module is analyzed each for obtaining the input delay of each TACH signal using Fourier's therorem
The input delay of TACH signal determines failure fan；
Correspondingly, feedback TACH signal includes information corresponding with failure fan.
A kind of fan running state monitoring system provided herein has and said fans running state monitoring method
Identical beneficial effect.
Above-described embodiment is please referred to for a kind of introduction of fan running state monitoring system provided herein, this Shen
It please details are not described herein.
Correspondingly, present invention also provides a kind of fan device for monitoring running state, comprising:
Memory, for storing computer program；
Processor realizes the step such as any one fan running state monitoring method above when for executing computer program
Suddenly.
A kind of fan device for monitoring running state provided herein has and said fans running state monitoring method
Identical beneficial effect.
Above-described embodiment is please referred to for a kind of introduction of fan device for monitoring running state provided herein, this Shen
It please details are not described herein.
Correspondingly, it is stored with computer program on readable storage medium storing program for executing present invention also provides a kind of readable storage medium storing program for executing,
It realizes when computer program is executed by processor such as the step of any one fan running state monitoring method above.
A kind of readable storage medium storing program for executing provided herein has with identical with said fans running state monitoring method
Beneficial effect.
Above-described embodiment please referred to for a kind of introduction of readable storage medium storing program for executing provided herein, the application is herein not
It repeats again.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of fan running state monitoring method characterized by comprising
Obtain the TACH signal that each fan returns；
All TACH signals are handled, feedback TACH signal is obtained；
The feedback TACH signal is sent to controller, so as to the controller determined according to the feedback TACH signal it is each
The operating status of the fan.
2. fan running state monitoring method according to claim 1, which is characterized in that described pair of all TACH letter
It number is handled, obtains the process of feedback TACH signal specifically:
All TACH signals are handled by frequency processing chip, obtain feedback TACH signal.
3. fan running state monitoring method according to claim 1, which is characterized in that the controller is according to described anti-
Feedback TACH signal determines the process of the operating status of each fan specifically:
When the frequency values in the feedback TACH signal are in preset range, determine that the operating status of each fan is equal
For normal condition.
4. fan running state monitoring method according to claim 1, which is characterized in that described pair of all TACH letter
It number is handled, obtains the process of feedback TACH signal specifically:
All TACH signals are handled by Fourier's therorem, obtain feedback TACH signal.
5. fan running state monitoring method according to any one of claims 1-4, which is characterized in that described to obtain respectively
The process for the TACH signal that a fan returns specifically:
The TACH signal that each fan returns is obtained by predetermined period.
6. fan running state monitoring method according to claim 1, which is characterized in that described to obtain each fan return
TACH signal after, this method further include:
The input delay for obtaining each TACH signal is prolonged using the input that Fourier's therorem analyzes each TACH signal
Late, failure fan is determined；
Correspondingly, the feedback TACH signal includes information corresponding with the failure fan.
7. a kind of fan running state monitoring system characterized by comprising
Module is obtained, the TACH signal returned for obtaining each fan；
Processing module obtains feedback TACH signal for handling all TACH signals；
State determination module, for the feedback TACH signal to be sent to controller, so that the controller is according to described anti-
Feedback TACH signal determines the operating status of each fan.
8. fan running state monitoring system according to claim 7, which is characterized in that the processing module is specifically used
In:
All TACH signals are handled by frequency processing chip, obtain feedback TACH signal.
9. a kind of fan device for monitoring running state characterized by comprising
Memory, for storing computer program；
Processor realizes fan operating status as claimed in any one of claims 1 to 6 when for executing the computer program
The step of monitoring method.
10. a kind of readable storage medium storing program for executing, which is characterized in that be stored with computer program, the meter on the readable storage medium storing program for executing
Calculation machine program realizes the step of fan running state monitoring method as claimed in any one of claims 1 to 6 when being executed by processor
Suddenly.
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| CN201910150553.8A CN109882437B (en) | 2019-02-28 | 2019-02-28 | Fan running state monitoring method, system and device and readable storage medium |
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| CN201910150553.8A CN109882437B (en) | 2019-02-28 | 2019-02-28 | Fan running state monitoring method, system and device and readable storage medium |
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| CN109882437B CN109882437B (en) | 2020-10-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112187678A (en) * | 2020-09-22 | 2021-01-05 | 锐捷网络股份有限公司 | Backup method and device for line card state information |
| CN114076118A (en) * | 2020-08-13 | 2022-02-22 | 纬颖科技服务股份有限公司 | Communication method of fan and related fan system |
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| US4937758A (en) * | 1987-09-04 | 1990-06-26 | Technology Integration And Development Group, Inc. | Method and apparatus for reducing vibration over the full operating range of a rotor and a host device |
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| Publication number | Publication date |
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| CN109882437B (en) | 2020-10-02 |
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