CN110043498A - A kind of server fan rotating speed regulation device, method and system - Google Patents
A kind of server fan rotating speed regulation device, method and system Download PDFInfo
- Publication number
- CN110043498A CN110043498A CN201910287343.3A CN201910287343A CN110043498A CN 110043498 A CN110043498 A CN 110043498A CN 201910287343 A CN201910287343 A CN 201910287343A CN 110043498 A CN110043498 A CN 110043498A
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- fan
- signal
- bmc
- feeder ear
- server
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention relates to fan cooling technical fields, a kind of server fan rotating speed regulation device, method and system are provided, device includes BMC and upper electric control mechanism, and BMC is connect by pwm signal line with fan, and upper electric control mechanism is equipped with energization input, power supply output end and signal control terminal；The energization input of upper electric control mechanism is connect with 12V feeder ear, the feeder ear connection of power output end and fan, and the GPIO signal output interface of signal control terminal and BMC connect；BMC is used to send pwm signal to fan by pwm signal line, the signal control terminal of electric control mechanism sends GPIO signal then up, when the GPIO signal that the BMC that signal control terminal receives is sent, it controls 12V feeder ear and fan feeder ear is connected, to realize the Optimum Regulation to rotation speed of the fan, the problem of rotation noise is larger at full speed for fan when effective settlement server booting, and noise circumstance is caused to pollute, and save energy consumption.
Description
Technical field
The invention belongs to fan cooling technical field more particularly to a kind of server fan rotating speed regulation device, method and
System.
Background technique
The effect of server fan is the flowing by improving server internal air, by air circulation by server system
System heat is taken away.For server, the reliability of cooling system flexibility and design optimization degree decision server operation.
In order to reach good heat dissipation effect, radiator fan design, processor heat dissipation design, Duct design etc. are all determined
Determine the heat dissipation effect of server.Server radiator fan main indicator has power, revolving speed, material, noise and exhaust air rate etc.,
Wherein fan noise is a key index of server, and noise is too small usually related with fan power, and power is bigger, revolving speed
Faster, noise is also bigger.Excessive fan noise causes serious environmental noise pollution, and substantially reduce terminal user uses body
Test good opinion.Manufacturer server is using server noise as an important indicator in server exploitation design, wherein passing through optimization
Server radiating environment, reducing rotation speed of the fan is a kind of common method, and server fan rotating speed is by BMC fan regulation and controlling plan
It slightly realizes, controls rotation speed of the fan particular by pwm signal.After BMC starts fan regulation and controlling strategy, fan is transported with moderate revolving speed
Turn, noise is smaller.But powered in a period of time in server booting, BMC does not have started work, non-output pwm signal adjustment
Before rotation speed of the fan, for fan because having powered with full-speed operation, noise is very big, initializes to BMC and completes and start PWM control fan
After revolving speed, fan could reduce noise with suitable rotation speed operation.Therefore, before DC fan regulating strategy comes into force, at fan
It in no-console condition, rotates at full speed, noise is very big.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of server fan rotating speed regulation devices, it is intended to solve
In the prior art before DC fan regulating strategy comes into force, fan is in no-console condition, rotates at full speed, the very big problem of noise.
The technical solution provided by the present invention is: a kind of server fan rotating speed regulation device, including BMC, the BMC are logical
It crosses pwm signal line to connect with fan, the server fan rotating speed regulation device further includes one powering on for controlling the fan
The upper electric control mechanism of state, the upper electric control mechanism are equipped with energization input, power supply output end and signal control terminal；
The energization input of the upper electric control mechanism is connect with 12V feeder ear, the confession of the power supply output end and fan
Electric end connection, the signal control terminal are connect by GPIO signal wire with the GPIO signal output interface of the BMC；
Wherein, the BMC is for sending pwm signal to the fan by the pwm signal line first, then to described
The signal control terminal of upper electric control mechanism sends GPIO signal, when the signal control terminal receives what the BMC was sent
When GPIO signal, controls the 12V feeder ear and the fan feeder ear is connected.
As an improvement scheme, the upper electric control mechanism is triode, and the current collection of the triode is extremely described
Energization input, emits the extremely described power supply output end, and grid is the signal control terminal.
As an improvement scheme, be additionally provided with a partial pressure between the 12V feeder ear and the collector of the triode
Resistance R1.
Another object of the present invention is to provide a kind of server fans based on server fan rotating speed regulation device to turn
Velocity modulation prosecutor method, the method includes the following steps:
When server powers on, after the completion of BMC initialization, the BMC is sent to the fan for controlling rotation speed of the fan plan
Pwm signal slightly；
When conveying pwm signal completion, BMC sends GPIO letter to the signal control terminal of the upper electric control mechanism
Number；
When the upper electric control mechanism receives the GPIO signal, control 12V feeder ear and the fan feeder ear
It connects.
As an improvement scheme, the upper electric control mechanism is triode, and the current collection of the triode is extremely described
Energization input, emits the extremely described power supply output end, and grid is the signal control terminal.
As an improvement scheme, be additionally provided with a partial pressure between the 12V feeder ear and the collector of the triode
Resistance R1.
Another object of the present invention is to provide a kind of server fan rotating speed regulator control system, the system comprises:
Pwm signal sending module, is built in BMC, for being powered on when server, after the completion of BMC initialization, and Xiang Suoshu wind
Fan sends the pwm signal for controlling rotation speed of the fan strategy；
GPIO signal transmitting module, is built in BMC, for when conveying the pwm signal and completing, BMC to be on described
The signal control terminal of electric control mechanism sends GPIO signal；
Module is connected, is built in the upper electric control mechanism, described in being received when the upper electric control mechanism
When GPIO signal, control 12V feeder ear and the fan feeder ear are connected.
As an improvement scheme, the upper electric control mechanism is triode, and the current collection of the triode is extremely described
Energization input, emits the extremely described power supply output end, and grid is the signal control terminal.
As an improvement scheme, be additionally provided with a partial pressure between the 12V feeder ear and the collector of the triode
Resistance R1.
In the present invention, server fan rotating speed regulation device includes BMC, and the BMC is connected by pwm signal line and fan
It connects, server fan rotating speed regulation device further includes one for controlling the upper electric control mechanism of fan power-up state, upper electric control
Mechanism is equipped with energization input, power supply output end and signal control terminal；The energization input and 12V feeder ear of upper electric control mechanism
The GPIO signal output interface of connection, the feeder ear connection of power output end and fan, signal control terminal and BMC connect；BMC is used
Pwm signal is sent to fan in passing through pwm signal line first, the signal control terminal of electric control mechanism sends GPIO letter then up
Number, when the GPIO signal that the BMC that signal control terminal receives is sent, control 12V feeder ear and fan feeder ear are connected, thus
Realize the Optimum Regulation to rotation speed of the fan, rotation noise is larger at full speed for fan when effective settlement server is switched on, and causes noise ring
The problem of border is polluted, and save energy consumption.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of server fan rotating speed regulation device provided by the invention；
Fig. 2 is the implementation flow chart of server fan rotating speed regulation method provided by the invention；
Fig. 3 is the structural block diagram of server fan rotating speed regulator control system provided by the invention；
Wherein, 1-BMC, 2-PWM signal wire, 3- fan, the upper electric control mechanism of 4-, 5-12V feeder ear, 6-GPIO signal
Line, 7-PWM signal transmitting module, 8-GPIO signal transmitting module, 9- connect module.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate of the invention, technical solution, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
Fig. 1 shows the structural schematic diagram of server fan rotating speed regulation device provided by the invention, for ease of description,
Through giving part related to the embodiment of the present invention in figure.
Server fan rotating speed regulation device includes BMC1, and the BMC1 is connect by pwm signal line 2 with fan 3, described
Server fan rotating speed regulation device further includes one for controlling the upper electric control mechanism 4 of 3 power-up state of fan, it is described on
Electric control mechanism 4 is equipped with energization input, power supply output end and signal control terminal；
The energization input of the upper electric control mechanism 4 is connect with 12V feeder ear 5, the power supply output end and fan 3
Feeder ear connection, the signal control terminal are connect by GPIO signal wire 6 with the GPIO signal output interface of the BMC1；
Wherein, the BMC1 for first by the pwm signal line 2 to the fan 3 send pwm signal, then to
The signal control terminal of the upper electric control mechanism 4 sends GPIO signal, when the signal control terminal receives the BMC1 hair
When the GPIO signal sent, controls the 12V feeder ear and 3 feeder ear of fan is connected.
Wherein, electric control mechanism 4 is triode, the extremely described energization input of the current collection of the triode, transmitting on this
The extremely described power supply output end, grid are the signal control terminal；
In this embodiment, a divider resistance R1 is additionally provided between the 12V feeder ear and the collector of the triode.
In certain embodiment, above-mentioned server fan rotating speed regulation device can also include Conventional mechanisms or component,
This is not to limit the present invention.
Fig. 2 shows the implementation flow charts of server fan rotating speed provided by the invention regulation method, specifically include down
State step:
In step s101, when server powers on, after the completion of BMC1 initialization, the BMC1 sends to the fan 3 and uses
In the pwm signal of control rotation speed of the fan strategy；
In step s 102, when conveying pwm signal completion, signal control of the BMC1 to the upper electric control mechanism 4
End processed sends GPIO signal；
In step s 103, when the upper electric control mechanism 4 receives the GPIO signal, control 12V feeder ear with
The fan feeder ear is connected.
In this embodiment, when fan is powered, meridional wind fan sends pwm signal to BMC1, has played control to rotation speed of the fan
The effect of system efficiently solves the problems, such as that rotation noise is big at full speed for fan when electric-opening on server.
In embodiments of the present invention, as shown in figure 3, server fan rotating speed regulator control system, the system comprises:
Pwm signal sending module 7, is built in BMC1, for powering on when server, after the completion of BMC1 initialization, to institute
It states fan and sends pwm signal for controlling rotation speed of the fan strategy；
GPIO signal transmitting module 8, is built in BMC1, for when conveying the pwm signal and completing, BMC1 to be to described
The signal control terminal of upper electric control mechanism 4 sends GPIO signal；
Module 9 is connected, is built in above-mentioned upper electric control mechanism 4, described in being received when the upper electric control mechanism 4
When GPIO signal, control 12V feeder ear and the fan feeder ear are connected.
Wherein, electric control mechanism 4 can be realized using triode on this, and structure is routine techniques realization, not had to herein
To limit the present invention.
In the present invention, server fan rotating speed regulation device includes BMC1, and the BMC1 passes through pwm signal line 2 and wind
Fan connection, server fan rotating speed regulation device further include one for controlling the upper electric control mechanism 4 of fan power-up state, are powered on
Control mechanism 4 is equipped with energization input, power supply output end and signal control terminal；The energization input and 12V of upper electric control mechanism 4
The GPIO signal output interface of feeder ear connection, the feeder ear connection of power output end and fan, signal control terminal and BMC1 connect
It connects；BMC1 is for sending pwm signal to fan by pwm signal line 2 first, the signal control of electric control mechanism 4 then up
End sends GPIO signal, and when the GPIO signal that the BMC1 that signal control terminal receives is sent, control 12V feeder ear and fan are supplied
Electricity termination is logical, to realize the Optimum Regulation to rotation speed of the fan, when effective settlement server is switched on fan at full speed rotation noise compared with
Greatly, the problem of causing noise circumstance to pollute, and save energy consumption.
The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；Although referring to aforementioned each reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified, or equivalent substitution of some or all of the technical features；And
These are modified or replaceed, the range for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution,
It should all cover within the scope of the claims and the description of the invention.
Claims (9)
1. a kind of server fan rotating speed regulation device, including BMC, the BMC is connect by pwm signal line with fan, special
Sign is that the server fan rotating speed regulation device further includes one for controlling the upper electric control machine of the fan power-up state
Structure, the upper electric control mechanism are equipped with energization input, power supply output end and signal control terminal；
The energization input of the upper electric control mechanism is connect with 12V feeder ear, the feeder ear of the power supply output end and fan
Connection, the signal control terminal are connect by GPIO signal wire with the GPIO signal output interface of the BMC；
Wherein, then the BMC is powered on for sending pwm signal to the fan by the pwm signal line first to described
The signal control terminal of control mechanism sends GPIO signal, when the signal control terminal receives the GPIO letter that the BMC is sent
Number when, control the 12V feeder ear and the fan feeder ear and connect.
2. server fan rotating speed regulation device according to claim 1, which is characterized in that the upper electric control mechanism is
Triode, the extremely described energization input of the current collection of the triode emit the extremely described power supply output end, and grid is the letter
Number control terminal.
3. server fan rotating speed regulation device according to claim 2, which is characterized in that the 12V feeder ear and institute
It states and is additionally provided with a divider resistance R1 between the collector of triode.
4. a kind of server fan rotating speed based on server fan rotating speed regulation device described in claim 1 regulates and controls method,
It is characterized in that, the method includes the following steps:
When server powers on, after the completion of BMC initialization, the BMC is sent to the fan for controlling rotation speed of the fan strategy
Pwm signal；
When conveying pwm signal completion, BMC sends GPIO signal to the signal control terminal of the upper electric control mechanism；
When the upper electric control mechanism receives the GPIO signal, control 12V feeder ear and the fan feeder ear are connected.
5. server fan rotating speed according to claim 4 regulates and controls method, which is characterized in that the upper electric control mechanism is
Triode, the extremely described energization input of the current collection of the triode emit the extremely described power supply output end, and grid is the letter
Number control terminal.
6. server fan rotating speed according to claim 5 regulates and controls method, which is characterized in that the 12V feeder ear and institute
It states and is additionally provided with a divider resistance R1 between the collector of triode.
7. a kind of server fan rotating speed regulator control system, which is characterized in that the system comprises:
Pwm signal sending module, is built in BMC, for being powered on when server, after the completion of BMC initialization, and Xiang Suoshu fan hair
Send the pwm signal for controlling rotation speed of the fan strategy；
GPIO signal transmitting module, is built in BMC, for when conveying the pwm signal and completing, BMC to be to described automatically controlled
The signal control terminal of mechanism processed sends GPIO signal；
Module is connected, is built in the upper electric control mechanism, for receiving the GPIO letter when the upper electric control mechanism
Number when, control 12V feeder ear and the fan feeder ear connect.
8. server fan rotating speed regulator control system according to claim 7, which is characterized in that the upper electric control mechanism is
Triode, the extremely described energization input of the current collection of the triode emit the extremely described power supply output end, and grid is the letter
Number control terminal.
9. server fan rotating speed regulator control system according to claim 8, which is characterized in that the 12V feeder ear and institute
It states and is additionally provided with a divider resistance R1 between the collector of triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287343.3A CN110043498B (en) | 2019-04-11 | 2019-04-11 | Server fan rotating speed regulating and controlling device, method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287343.3A CN110043498B (en) | 2019-04-11 | 2019-04-11 | Server fan rotating speed regulating and controlling device, method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110043498A true CN110043498A (en) | 2019-07-23 |
| CN110043498B CN110043498B (en) | 2021-03-12 |
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ID=67276744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910287343.3A Active CN110043498B (en) | 2019-04-11 | 2019-04-11 | Server fan rotating speed regulating and controlling device, method and system |
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| CN1971524A (en) * | 2005-11-25 | 2007-05-30 | 英业达股份有限公司 | Method for decreasing immediate current of boot-strap |
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| TW201523239A (en) * | 2013-12-06 | 2015-06-16 | Hon Hai Prec Ind Co Ltd | System and method for detecting working status of fans and fan controller |
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| Publication number | Publication date |
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| CN110043498B (en) | 2021-03-12 |
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