CN109973409A - A kind of fan rotational frequency control method and control device - Google Patents
A kind of fan rotational frequency control method and control device Download PDFInfo
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- CN109973409A CN109973409A CN201910248457.7A CN201910248457A CN109973409A CN 109973409 A CN109973409 A CN 109973409A CN 201910248457 A CN201910248457 A CN 201910248457A CN 109973409 A CN109973409 A CN 109973409A
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- fan
- revolving speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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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
Fan rotational frequency control method and control device provided by the embodiments of the present application, which comprises fan first power consumption number of correspondence system under the first revolving speed, wherein system power dissipation includes at least the power consumption of fan power consumption and other energy-consuming parts；Determine the second revolving speed of the fan, the fan work second power consumption number of correspondence system under second revolving speed, wherein second revolving speed is greater than first revolving speed, and second power consumption number of system is lower than first power consumption number of system；The fan is controlled with second rotary speed working.By comparing the mode of fan system power dissipation value of corresponding system under different rotating speeds, it is capable of determining that corresponding second revolving speed of system minimum power consumption value, and then the fan is controlled with second rotary speed working, so that the system using the fan can be worked with the smallest system power dissipation, the energy consumption of system is saved to the maximum extent, the use cost of user is saved, the satisfaction that user uses is improved.
Description
Technical field
This application involves field of ventilation equipment, especially a kind of fan rotational frequency control method and control device.
Background technique
Currently, server fan speed regulating method includes open loop (open loop) control and closed loop (closed loop) control
System.Wherein, open loop mainly includes the open loop based on circumstance temperature and open loop, closed based on device temperature
Loop includes the speed regulating methods such as PID (proportional-integral derivative controller).In addition, further including abnormal thing in fan speed-regulating strategy
Part, such as the treatment mechanism of fan fails.Final rotation speed of the fan takes open loop to export, closed loop output and exception
Event exports the peak of three, this is also the minimum speed for guaranteeing to meet system radiating demand.
In terms of current server system power consumption test data, when server stable operation business, rotation speed of the fan is according to above-mentioned
When speed adjustment strategy reaches a certain stabilized (steady-state) speed, system power dissipation is not necessarily minimum.That is, only by method in the prior art
Being adjusted to the revolving speed of fan can not be such that system runs with minimum power consumption.
Summary of the invention
A kind of fan rotational frequency control method provided by the embodiments of the present application, comprising:
Obtain fan first power consumption number of correspondence system under the first revolving speed, wherein system power dissipation includes at least fan power consumption
And the power consumption of other energy-consuming parts；
Determine the second revolving speed of the fan, the fan work second power consumption of correspondence system under second revolving speed
Value, wherein second revolving speed is greater than first revolving speed, and second power consumption number of system is lower than first power consumption of system
Value；
The fan is controlled with second rotary speed working.
In some embodiments of the present application, in which:
The fan work corresponds to the first power consumption number of fan under first revolving speed, and first power consumption number of fan is institute
State fan power consumption number minimum in the fan work multiple power consumption numbers of fan corresponding under different rotating speeds；
Second power consumption number of system is minimum in the fan multiple system power dissipation values corresponding under different rotating speeds
System power dissipation value, and second revolving speed be greater than first revolving speed.
In some embodiments of the present application, the second revolving speed of the determination fan, comprising:
On the basis of first revolving speed, the revolving speed of the fan is successively turned up with the first amplitude, it is more after being turned up
The corresponding multiple system power dissipation values of a revolving speed institute；
Determine the minimum system power consumption number in the multiple system power dissipation value；
Determine that the corresponding revolving speed of the minimum system power consumption number is the second revolving speed.
In some embodiments of the present application, the method also includes:
If the corresponding system power dissipation value of revolving speed after a height-regulating is greater than the corresponding system power dissipation value of revolving speed before being turned up, really
Fixed second revolving speed is that the revolving speed before the height-regulating and the revolving speed after the height-regulating are formed by the revolving speed in revolving speed section；
The corresponding multiple system power dissipation values of revolving speed are successively turned up in the revolving speed section with the second amplitude in determination.
It is described after the control fan is with second rotary speed working in some embodiments of the present application
Method further include:
Record second power consumption number of system；
After a preset duration, the third revolving speed and the fan work for obtaining the fan are in the third revolving speed
Lower correspondence system third power consumption number；
If the third power consumption number is less than second power consumption number, the fan is controlled with the third rotary speed working.
In some embodiments of the present application, the second revolving speed of the determination fan further includes
Obtain fan the 4th power consumption number of correspondence system under maximum speed；
Determine the fan with the second rotary speed working, wherein second system power consumption number is less than the 4th system power dissipation value.
The embodiment of the present application also provides a kind of control devices, comprising:
Module is obtained, is used to obtain fan first power consumption number of correspondence system under the first revolving speed, wherein system power dissipation is extremely
It less include the power consumption of fan power consumption and other energy-consuming parts；
Determining module is used to determine that the second revolving speed of the fan, the fan work to be right under second revolving speed
Answer the second power consumption number of system, wherein second revolving speed is greater than first revolving speed, and second power consumption number of system is lower than described
The first power consumption number of system
Control module is used to control the fan with second rotary speed working.
In some embodiments of the present application, the fan work corresponds to the first power consumption of fan under first revolving speed
Value, first power consumption number of fan are minimum in the fan work multiple power consumption numbers of fan corresponding under different rotating speeds
Fan power consumption number；
Second power consumption number of system is minimum in the fan multiple system power dissipation values corresponding under different rotating speeds
System power dissipation value, and second revolving speed be greater than first revolving speed.
In some embodiments of the present application, the control device further include:
Speed adjusting module is used on the basis of first revolving speed, the revolving speed of the fan is successively turned up with the first amplitude；
The determining module is specifically used for:
The corresponding multiple system power dissipation values of multiple revolving speeds institute after being turned up；
Determine the minimum system power consumption number in the multiple system power dissipation value；
Determine that the corresponding revolving speed of the minimum system power consumption number is the second revolving speed.
In some embodiments of the present application, the control device further include:
Processing module, if the revolving speed that the corresponding system power dissipation value of revolving speed being used for after a height-regulating is greater than before being turned up is corresponding
System power dissipation value；
Then the determining module is also used to:
Determine that second revolving speed is that the revolving speed before the height-regulating and the revolving speed after the height-regulating are formed by revolving speed section
Interior revolving speed；
The corresponding multiple system power dissipation values of revolving speed are successively turned up in the revolving speed section with the second amplitude in determination.
Compared with prior art, the beneficial effects of the present application are as follows: fan first power consumption of correspondence system under the first revolving speed
Value, wherein system power dissipation includes at least the power consumption of fan power consumption and other energy-consuming parts；Pass through the second of the determination fan
Revolving speed and the fan work the second power consumption number of correspondence system under second revolving speed, wherein second revolving speed is greater than
First revolving speed, second power consumption number of system are lower than first power consumption number of system, that is, by comparing the fan not
With the mode of the system power dissipation value of system corresponding under revolving speed, it is capable of determining that corresponding second revolving speed of system minimum power consumption value,
And then the fan is controlled with second rotary speed working.So that using the fan system can with the smallest system power dissipation into
The energy consumption of system is saved in row work to the maximum extent, saves the use cost of user, improves the satisfaction that user uses.
Detailed description of the invention
Fig. 1 is the flow chart of fan rotational frequency control method provided by the embodiments of the present application；
Fig. 2 is the fan power consumption provided by the embodiments of the present application when measuring to a certain system and system power dissipation and wind
Fan the relational graph of revolving speed；
Fig. 3 is the relational graph provided by the embodiments of the present application to CPU heat dissipation entire thermal resistance and rotation speed of the fan in a certain system；
Fig. 4 is the block diagram of control device provided by the embodiments of the present application.
Specific embodiment
To make those skilled in the art better understand the technical solution of the application, with reference to the accompanying drawing and specific embodiment party
Formula elaborates to the application.
The various schemes and feature of the application are described herein with reference to attached drawing.
By the description of the preferred form with reference to the accompanying drawings to the embodiment for being given as non-limiting example, the application's
These and other characteristic will become apparent.
It is also understood that although the application is described referring to some specific examples, those skilled in the art
Member realizes many other equivalents of the application in which can determine, they have feature as claimed in claim and therefore all
In the protection scope defined by whereby.
When read in conjunction with the accompanying drawings, in view of following detailed description, above and other aspect, the feature and advantage of the application will become
It is more readily apparent.
The specific embodiment of the application is described hereinafter with reference to attached drawing；It will be appreciated, however, that the embodiment invented is only
Various ways implementation can be used in the example of the application.Known and/or duplicate function and structure is simultaneously not described in detail with basis
True intention is distinguished in the operation of the history of user, and unnecessary or extra details is avoided to make the application smudgy.Cause
This, the specific structural and functional details invented herein are not intended to restriction, but as just the base of claim
Plinth and representative basis are used to that those skilled in the art to be instructed diversely to use this Shen with substantially any appropriate detailed construction
Please.
This specification can be used phrase " in one embodiment ", " in another embodiment ", " in another embodiment
In " or " in other embodiments ", it can be referred to one or more of the identical or different embodiment according to the application.
Fan rotational frequency control method provided by the embodiments of the present application, comprising:
Fan first power consumption number of correspondence system under the first revolving speed, wherein system power dissipation include at least fan power consumption and
The power consumption of other energy-consuming parts；
Determine the second revolving speed of the fan, the fan work second power consumption of correspondence system under second revolving speed
Value, wherein second revolving speed is greater than first revolving speed, and second power consumption number of system is lower than first power consumption of system
Value；
The fan is controlled with second rotary speed working.
By above-mentioned method it is found that fan first power consumption number of correspondence system under the first revolving speed, wherein system power dissipation is extremely
It less include the power consumption of fan power consumption and other energy-consuming parts；Pass through the second revolving speed and the fan of the determination fan
Work second power consumption number of correspondence system under second revolving speed, wherein second revolving speed is greater than first revolving speed, described
The second power consumption number of system is lower than first power consumption number of system, that is, by comparing the fan corresponding system under different rotating speeds
The mode of the system power dissipation value of system is capable of determining that corresponding second revolving speed of system minimum power consumption value, and then controls the fan
With second rotary speed working.So that the system using the fan can be worked with the smallest system power dissipation, to greatest extent
The energy consumption of system is saved on ground, saves the use cost of user, improves the satisfaction that user uses.
And correspondingly, being typically only that revolving speed is adjusted to certain according to corresponding speed adjustment strategy with fan in the prior art
One stationary value still can be seen that by server system power consumption test data when server stable operation business, fan turns
When speed is with stabilized (steady-state) speed operation, system power dissipation is not necessarily minimum.When increasing rotation speed of the fan on the basis of this stabilized (steady-state) speed
When, system power dissipation can first be reduced to minimum, and then, as rotation speed of the fan continues growing, system power dissipation is consequently increased.Specifically
Ground can be found in Fig. 2, and for a certain system configuration in 25 degrees Celsius of environment temperatures, (LINPACK is that linear system is soft to operation Linpack
Part packet (Linear system package)) when, fan PWM (modulation of Pulse Width Modulation pulse width) is steady
Being scheduled on duty ratio is 55% or so, and fan power consumption is 19.4W, system power dissipation 575W.When increasing rotation speed of the fan, fan power consumption
Increase, system power dissipation reduces.When it is 70%~75% that fan PWM, which increases to duty ratio, system power dissipation reaches minimum.Continue
When increasing rotation speed of the fan, system power dissipation can increase therewith.Tracing it to its cause has two o'clock: first point, under existing fan speed-regulating strategy,
When rotation speed of the fan reaches stable, the leakage power of CPU not necessarily minimum in server.When rotation speed of the fan increases, CPU
(central processing unit) DIE Temperature reduces, and the leakage power of CPU is caused to reduce.When rotation speed of the fan increase leads to increased fan function
When consumption leads to reduced CPU leakage power less than cpu temperature reduction, system power dissipation is to reduce.When rotation speed of the fan continues growing,
Cpu temperature gradually tends towards stability, and CPU leakage power tends towards stability, at this point, rotation speed of the fan increase causes increased fan power consumption big
Lead to reduced CPU leakage power in cpu temperature reduction, system power dissipation is increased.Second point, transformation efficiency；Rotation speed of the fan
Reduction will lead to device temperature promotion, and temperature promotes the decline that can cause server electronic component efficiency, so as to cause energy consumption
Increase.Rotation speed of the fan increase will lead to the promotion of device temperature reduction and server electronic building brick efficiency, so as to cause energy consumption
It reduces.Wherein, first point is as caused by CPU heat dissipation characteristics.The dominant mechanism of CPU heat dissipation is thermally conductive and convection current, when fan turns
When speed increases, the variation of entire thermal resistance R is as shown in Figure 3.The part A in figure, as revolving speed increases, entire thermal resistance R reduces quickly, this
It is since convection current accounts for leading in this part CPU heat dissipation, air velocity increase can be such that convective heat transfer system quicklys increase, i.e., cooling empty
The increase of throughput is apparent to the improvement of CPU heat dissipation performance；And the part B in figure, rotation speed of the fan increase to 4500RPM with
Afterwards, the speed ratio that entire thermal resistance R reduces is more gentle, cooling empty because heat loss through convection has reached the limit in CPU heat dissipation in this section
The increase of throughput only improves the conduction heat transfer with air, i.e., less obvious to the improvement of CPU heat dissipation performance.
In order to simpler, detailed understanding above-mentioned technical proposal, below with reference to embodiment and attached drawing to above-mentioned
Command processing method is described in detail.
As shown in FIG. 1, FIG. 1 is the flow chart of fan rotational frequency control method provided by the embodiments of the present application, the method packets
Include following steps:
Step 101: obtaining fan first power consumption number of correspondence system under the first revolving speed, wherein system power dissipation includes at least
The power consumption of fan power consumption and other energy-consuming parts.In the present embodiment, first revolving speed can be the fan according to existing
Some speed adjustment strategies are e.g. based on environment temperature, based on device temperature or according to PID (proportional-integral derivative controller) etc.
Speed regulating method, corresponding revolving speed when the revolving speed of the fan is adjusted to a certain stationary value.
Step 102: determining the second revolving speed of the fan, fan work correspondence system under second revolving speed
Two power consumption numbers, wherein second revolving speed is greater than first revolving speed, and second power consumption number of system is lower than the system first
Power consumption number.
In some embodiments of the present application, the fan work corresponds to the first power consumption of fan under first revolving speed
Value, first power consumption number of fan are minimum in the fan work multiple power consumption numbers of fan corresponding under different rotating speeds
Fan power consumption number；Second power consumption number of system be in the fan multiple system power dissipation values corresponding under different rotating speeds most
Low system power dissipation value, and second revolving speed is greater than first revolving speed.It is, the fan with the first revolving speed into
When row work, although the first power consumption number of the fan is minimum fan power consumption number, under first revolving speed, the system
The power consumption number of system is simultaneously not least, is actually the corresponding system power dissipation when revolving speed is the second revolving speed higher than the first revolving speed
Value is just minimum.As an example, a certain system as shown in Figure 2 is when being configured to 25 degrees Celsius of environment temperatures, by accordingly examining
It surveys software detection to obtain, stablize in fan PWM when duty ratio is 55% or so, fan power consumption is 19.4W, and system power dissipation is
575W, and when increasing rotation speed of the fan, fan power consumption increases, and system power dissipation reduces, and is 70% when fan PWM increases to duty ratio
When~75%, system power dissipation reaches minimum.
In some embodiments of the present application, the second revolving speed of the determination fan, comprising: with first revolving speed
On the basis of, the revolving speed of the fan is successively turned up with the first amplitude, multiple revolving speeds institute after being turned up is corresponding multiple
System power dissipation value；Determine the minimum system power consumption number in the multiple system power dissipation value；Determine the minimum system power consumption number pair
The revolving speed answered is the second revolving speed.Wherein, first amplitude meets a predetermined amplitude, by meeting the described first default width
After the revolving speed of the fan is turned up in the amplitude of degree, the corresponding system power dissipation value of revolving speed after height-regulating is corresponding with the revolving speed before being turned up
Difference between system power dissipation value can have relatively apparent difference, and then convenient for comparing and can more quickly determine
Second revolving speed.As an example, being corresponded to for the duty ratio of the PWM of fan is 55% by first revolving speed, system power dissipation at this time
It is 575, is 5% duty ratio for being sequentially increased PWM with the first amplitude, then reference can be made to Fig. 2 is it is found that the duty ratio of the PWM of fan is
Correspondence system power consumption is 567 when 60%, and correspondence system power consumption is 560 when the duty ratio of the PWM of fan is 65%, the PWM of fan
Duty ratio when being 70% correspondence system power consumption be 556, correspondence system power consumption is 558 when the duty ratio of the PWM of fan is 75%,
Correspondence system power consumption is 561 when the duty ratio of the PWM of fan is 80%, it is seen then that when fan PWM increase to duty ratio be 70%
When, system power dissipation is minimum, therefore at this point, the second revolving speed as the fan when duty ratio for determining fan PWM is 70&.
In some embodiments of the present application, the fan rotational frequency control method further include: if the revolving speed pair after a height-regulating
The system power dissipation value answered is greater than the corresponding system power dissipation value of revolving speed before being turned up, it is determined that second revolving speed is before the height-regulating
Revolving speed and the height-regulating after revolving speed be formed by the revolving speed in revolving speed section；It determines in the revolving speed section with second
The corresponding multiple system power dissipation values of revolving speed are successively turned up in amplitude.Or it is illustrated by taking the above embodiments as an example, is increasing wind
When the PWM duty cycle of fan is to 75%, the corresponding system power dissipation value of revolving speed after being turned up is 558, higher than the PWM duty cycle of fan
Corresponding system power dissipation value 556 when to 70%, so, it may be determined that the corresponding system minimum of the system is the PWM in fan
A value between the non-70%-75% of duty ratio, at this point it is possible to which revolving speed is turned up with the second amplitude, such as the second amplitude can be every
It is secondary to be turned up 1%, and then determine that the PWM duty cycle of fan is 71%, 72%, 73% respectively, the system that 74% when is corresponding in turn to
Power consumption number, if correspondence system power consumption number is 555 when the PWM duty cycle of fan is 71%, when the PWM duty cycle of fan is 72% pair
Answering system power dissipation value is 555.6, and correspondence system power consumption number is 556.2 when the PWM duty cycle of fan is 73%, then can finally really
The second revolving speed when the duty ratio for determining fan PWM is 71& as the fan, the system power dissipation value are minimum.
It is described after the control fan is with second rotary speed working in some embodiments of the present application
Method further include: record second power consumption number of system；After a preset duration, the third revolving speed of the fan is obtained, and
Fan work correspondence system third power consumption number under the third revolving speed；If the third power consumption number is less than second function
Consumption value controls the fan then with the third rotary speed working.Specifically, after fan runs a period of time with a revolving speed,
The working environment of system itself can generate certain variation, meanwhile, the device etc. of device and fan itself in system all may be used
There can be different degrees of change, and then may be set in after a relatively reasonable period, obtain the fan can
The third revolving speed that run system can with system minimum power consumption value in the environment after variation, to save to the maximum extent
The energy consumption of system saves the use cost of user, improves the satisfaction that user uses.
In some embodiments of the present application, the second revolving speed of the determination fan, further includes: obtain the fan
The 4th power consumption number of correspondence system under maximum speed；Determine the fan with the second rotary speed working, wherein second system power consumption number
Less than the 4th system power dissipation value.In the present embodiment, when the fan is in the second revolving speed, the power consumption of energy-consuming parts in system
When being in four revolving speeds greater than the fan in system energy-consuming parts power consumption, also, in the prior art, it is believed that rotation speed of the fan
It is bigger, then be more conducive to energy-consuming parts heat dissipation so that capable of reaching for system power dissipation is minimum, but in fact, the fan exists
When continuing to improve revolving speed on the basis of the second revolving speed, the energy consumption that energy-consuming parts are reduced, which is less than, improves energy consumption caused by revolving speed,
So that system power dissipation value starts to increase.
Step 103: controlling the fan with second rotary speed working.That is, making at system with the smallest system power dissipation value
It is run, saves the energy consumption of system to the maximum extent, save the use cost of user, improve the satisfaction that user uses.
The embodiment of the present application also provides a kind of control devices, as shown in Figure 4, comprising:
Module 1 is obtained, is used to obtain fan first power consumption number of correspondence system under the first revolving speed, wherein system power dissipation
Including at least fan power consumption and the power consumption of other energy-consuming parts；
Determining module 2 is used to determine that the second revolving speed of the fan, the fan work to be right under second revolving speed
Answer the second power consumption number of system, wherein second revolving speed is greater than first revolving speed, and second power consumption number of system is lower than described
The first power consumption number of system
Control module 3 is used to control the fan with second rotary speed working.
In some embodiments of the present application, the fan work corresponds to the first power consumption of fan under first revolving speed
Value, first power consumption number of fan are minimum in the fan work multiple power consumption numbers of fan corresponding under different rotating speeds
Fan power consumption number；Second power consumption number of system be in the fan multiple system power dissipation values corresponding under different rotating speeds most
Low system power dissipation value, and second revolving speed is greater than first revolving speed.
In some embodiments of the present application, the control device further include: speed adjusting module is used for described first turn
On the basis of speed, the revolving speed of the fan is successively turned up with the first amplitude；The determining module 2 is specifically used for: after being turned up
The corresponding multiple system power dissipation values of multiple revolving speeds institute；Determine the minimum system power consumption number in the multiple system power dissipation value；
Determine that the corresponding revolving speed of the minimum system power consumption number is the second revolving speed.
In some embodiments of the present application, the control device further include: processing module, if after being used for a height-regulating
The corresponding system power dissipation value of revolving speed is greater than the corresponding system power dissipation value of revolving speed before being turned up；Then the determining module 2 is also used to: really
Fixed second revolving speed is that the revolving speed before the height-regulating and the revolving speed after the height-regulating are formed by the revolving speed in revolving speed section；
The corresponding multiple system power dissipation values of revolving speed are successively turned up in the revolving speed section with the second amplitude in determination.
In some embodiments of the present application, the control device further include: logging modle is used to record the system
Second power consumption number；Module is obtained, is used for after a preset duration, obtains the third revolving speed and the fan of the fan
Work correspondence system third power consumption number under the third revolving speed；If it is small that shown control module 3 is also used to the third power consumption number
In second power consumption number, then the fan is controlled with the third rotary speed working.
In some embodiments of the present application, the acquisition module 1 is also used to obtain fan corresponding system under maximum speed
It unites the 4th power consumption number；Determine the fan with the second rotary speed working by the determining module 2, wherein second system power consumption number
Less than the 4th system power dissipation value.
The storage medium introduced by the present embodiment, electronic equipment are method institute that processing is instructed in the embodiment of the present application
Corresponding storage medium, electronic equipment, so, based on command processing method in the embodiment of the present application, those skilled in the art
The specific embodiment and its various change form of storage medium in the embodiment of the present application, electronic equipment can be understood, so
The storage medium, electronic equipment are no longer discussed in detail herein.As long as technical staff described in this field implements the application implementation
Storage medium, the electronic equipment of command processing method, belong to the range to be protected of the application in example.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processing module of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices with
A machine is generated, so that generating use by the instruction that the processing module of computer or other programmable data processing devices executes
In the function that realization is specified in one box or multiple boxes of one process or multiple processes and/or block diagrams of flow chart
Device.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
The manufacture of device is enabled, which realizes in a side of one process or multiple processes and/or block diagrams of flow chart
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing devices, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one process or multiple processes and/or block diagrams of flow chart
One box or multiple boxes in specify function the step of.
Above embodiments are only the exemplary embodiment of the application, are not used in limitation the application, the protection scope of the application
It is defined by the claims.Those skilled in the art can make respectively the application in the essence and protection scope of the application
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as falling within the scope of protection of this application.
Claims (10)
1. a kind of fan rotational frequency control method, comprising:
Obtain fan first power consumption number of correspondence system under the first revolving speed, wherein system power dissipation include at least fan power consumption and
The power consumption of other energy-consuming parts；
Determine the second revolving speed of the fan, the fan work second power consumption number of correspondence system under second revolving speed,
In, second revolving speed is greater than first revolving speed, and second power consumption number of system is lower than first power consumption number of system；
The fan is controlled with second rotary speed working.
2. control method according to claim 1, in which:
The fan work corresponds to the first power consumption number of fan under first revolving speed, and first power consumption number of fan is the wind
Fan fan power consumption number minimum in the work multiple power consumption numbers of fan corresponding under different rotating speeds；
Second power consumption number of system is minimum in the fan multiple system power dissipation values corresponding under different rotating speeds
System power consumption number, and second revolving speed is greater than first revolving speed.
3. fan rotational frequency control method according to claim 1, the second revolving speed of the determination fan, comprising:
On the basis of first revolving speed, the revolving speed of the fan is successively turned up with the first amplitude, multiple turns after being turned up
Fast corresponding multiple system power dissipation values；
Determine the minimum system power consumption number in the multiple system power dissipation value；
Determine that the corresponding revolving speed of the minimum system power consumption number is the second revolving speed.
4. fan rotational frequency control method according to claim 3, the method also includes:
If the corresponding system power dissipation value of revolving speed after a height-regulating is greater than the corresponding system power dissipation value of revolving speed before being turned up, it is determined that institute
Stating the second revolving speed is that the revolving speed before the height-regulating and the revolving speed after the height-regulating are formed by revolving speed in revolving speed section；
The corresponding multiple system power dissipation values of revolving speed are successively turned up in the revolving speed section with the second amplitude in determination.
5. fan rotational frequency control method according to claim 1, in the control fan with the second revolving speed work
After work, the method also includes:
Record second power consumption number of system；
After a preset duration, third revolving speed and the fan work for obtaining the fan are right under the third revolving speed
Answer system third power consumption number；
If the third power consumption number is less than second power consumption number, the fan is controlled with the third rotary speed working.
6. fan rotational frequency control method according to claim 1, the second revolving speed of the determination fan, further include
Obtain fan the 4th power consumption number of correspondence system under maximum speed；
Determine the fan with the second rotary speed working, wherein second system power consumption number is less than the 4th system power dissipation value.
7. a kind of control device, comprising:
Module is obtained, is used to obtain fan first power consumption number of correspondence system under the first revolving speed, wherein system power dissipation at least wraps
Include the power consumption of fan power consumption and other energy-consuming parts；
Determining module is used to determine the second revolving speed of the fan, the fan work corresponding system under second revolving speed
It unites the second power consumption number, wherein second revolving speed is greater than first revolving speed, and second power consumption number of system is lower than the system
First power consumption number
Control module is used to control the fan with second rotary speed working.
8. control device according to claim 7, wherein the fan work corresponds to fan under first revolving speed
One power consumption number, first power consumption number of fan are in the fan work multiple power consumption numbers of fan corresponding under different rotating speeds
Minimum fan power consumption number；
Second power consumption number of system is minimum in the fan multiple system power dissipation values corresponding under different rotating speeds
System power consumption number, and second revolving speed is greater than first revolving speed.
9. control device according to claim 7, further includes:
Speed adjusting module is used on the basis of first revolving speed, the revolving speed of the fan is successively turned up with the first amplitude；
The determining module is specifically used for:
The corresponding multiple system power dissipation values of multiple revolving speeds institute after being turned up；
Determine the minimum system power consumption number in the multiple system power dissipation value；
Determine that the corresponding revolving speed of the minimum system power consumption number is the second revolving speed.
10. control device according to claim 9, further includes:
Processing module, if the corresponding system power dissipation value of revolving speed being used for after a height-regulating is greater than the corresponding system of revolving speed before being turned up
Power consumption number；
Then the determining module is also used to:
Determine that second revolving speed is that the revolving speed before the height-regulating and the revolving speed after the height-regulating are formed by revolving speed section
Revolving speed；
The corresponding multiple system power dissipation values of revolving speed are successively turned up in the revolving speed section with the second amplitude in determination.
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Application publication date: 20190705 |