CN106970692B - Rotation speed of the fan adjusting method and device - Google Patents

Rotation speed of the fan adjusting method and device Download PDF

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CN106970692B
CN106970692B CN201710210861.6A CN201710210861A CN106970692B CN 106970692 B CN106970692 B CN 106970692B CN 201710210861 A CN201710210861 A CN 201710210861A CN 106970692 B CN106970692 B CN 106970692B
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difference
fan
value
output valve
temperature
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CN106970692A (en
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于强
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New H3C Information Technologies Co Ltd
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New H3C Information Technologies Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/20Cooling means
    • G06F1/206Cooling means comprising thermal management
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Theoretical Computer Science (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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Abstract

This disclosure relates to a kind of rotation speed of the fan adjusting method and device.This method comprises: obtaining temperature deviation value and its difference according to the measured temperature of the operational module of equipment;According to temperature deviation value and difference, the increment output valve of operational module is determined;According to increment output valve, the corresponding rotation speed of the fan of operational module is determined, wherein determine that increment output valve includes: to judge whether rate temperature change exceeds the first speed change threshold value according to difference;When rate temperature change is greater than or equal to the first speed change threshold value, increment output valve is determined according to initial fan incremental value and differential term parameter.Embodiment of the disclosure can determine increment output valve according to initial fan incremental value when rate temperature change is smaller, differential term parameter is introduced when rate temperature change is larger determines increment output valve, and then determine rotation speed of the fan, to realize the smooth adjustment of rotation speed of the fan under reasonable power consumption levels, reduces power consumption and reduce noise pollution.

Description

Rotation speed of the fan adjusting method and device
Technical field
This disclosure relates to field of computer technology more particularly to a kind of rotation speed of the fan adjusting method and device.
Background technique
Under the background of current big data trend, need to meet using highdensity server growing operation need It asks, data exchange demand etc..Server (such as girff server) is the function for having merged management, network, calculating, storage and power supply The powerful base platform of energy, this fusion architecture play an important roll the integrated and optimization of New Generation of IDC. And a large amount of components in girff server become huge source of heat release, and the cavity of relative closure makes these heat build-ups Faster, how so that these components is efficiently radiated using fan speed-regulating becomes inevitable problem.
In the related art, traditional linear mode or PID (ratio, integral, differential control) mode are generallyd use to adjust Save rotation speed of the fan.When temperature amplification increases, rotation speed of the fan can be made to accelerate suddenly, cause the noise of fan to increase, service life It reduces and instantaneous power consumption loses.
Summary of the invention
In view of this, the present disclosure proposes a kind of rotation speed of the fan adjusting method and device, it can be in reasonable power consumption levels The lower smooth adjustment for realizing rotation speed of the fan reduces power consumption and reduces noise pollution.
According to the one side of the disclosure, a kind of rotation speed of the fan adjusting method is provided, which comprises
According to the measured temperature of the operational module of equipment, temperature deviation value and the temperature for obtaining the operational module are inclined The difference of difference;
According to the temperature deviation value and the difference, the increment output valve of the operational module is determined;
According to the increment output valve, the corresponding rotation speed of the fan of the operational module is determined,
Wherein it is determined that the increment output valve of the operational module, comprising:
Judge whether rate temperature change exceeds the first speed change threshold value according to the difference;
When the rate temperature change is greater than or equal to the first speed change threshold value, according to initial fan incremental value and differential term Parameter determines the increment output valve of the operational module;
When the rate temperature change is less than the first speed change threshold value, the Working mould is determined according to initial fan incremental value The increment output valve of block,
Wherein, the initial fan incremental value is according to the temperature deviation value, integral coefficient, the difference and ratio What coefficient determined, the differential term parameter includes the difference and differential coefficient of the difference.
According to another aspect of the present disclosure, a kind of fan rotating speed adjusting device is provided, described device includes:
Difference obtains module, for the measured temperature according to the operational module of equipment, obtains the temperature of the operational module Spend the difference of deviation and temperature deviation value;
Output valve determining module, for determining the operational module according to the temperature deviation value and the difference Increment output valve;
First revolving speed determining module, for determining that the corresponding fan of the operational module turns according to the increment output valve Speed,
Wherein, the output valve determining module includes:
Speed change judging submodule, for judging whether rate temperature change exceeds the first speed change threshold value according to the difference;
First revolving speed determines submodule, is used for when the rate temperature change is greater than or equal to the first speed change threshold value, root The increment output valve of the operational module is determined according to initial fan incremental value and differential term parameter;
Second revolving speed determines submodule, is used for when the rate temperature change is less than the first speed change threshold value, according to initial Fan incremental value determines the increment output valve of the operational module,
Wherein, the initial fan incremental value is according to the temperature deviation value, integral coefficient, the difference and ratio What coefficient determined, the differential term parameter includes the difference and differential coefficient of the difference.
According to another aspect of the present disclosure, a kind of fan rotating speed adjusting device is provided characterized by comprising processing Device;Memory for storage processor executable instruction;Wherein, the processor is configured to executing the above method.
According to the rotation speed of the fan adjusting method and device of the embodiment of the present disclosure, it is inclined temperature can be obtained based on measured temperature Difference and its difference determine increment output valve according to initial fan incremental value when rate temperature change is smaller, and become in temperature Differential term parameter is introduced when change rate is larger and determines increment output valve, and then determines rotation speed of the fan, thus in reasonable power consumption water The flat lower smooth adjustment for realizing rotation speed of the fan, reduces power consumption and reduces noise pollution.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the other feature and aspect of the disclosure will become It is clear.
Detailed description of the invention
Comprising in the description and constituting the attached drawing of part of specification and specification together illustrates the disclosure Exemplary embodiment, feature and aspect, and for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of rotation speed of the fan adjusting method shown according to an exemplary embodiment.
Fig. 2 is a kind of flow chart of the step 12 of rotation speed of the fan adjusting method shown according to an exemplary embodiment.
Fig. 3 is the schematic diagram according to the speed curves of the rotation speed of the fan adjusting method of the relevant technologies.
Fig. 4 is the schematic diagram according to the speed curves of the rotation speed of the fan adjusting method of the relevant technologies.
Fig. 5 is the flow chart of the step S11 of rotation speed of the fan adjusting method shown according to an exemplary embodiment a kind of.
Fig. 6 is the flow chart of the step S12 of rotation speed of the fan adjusting method shown according to an exemplary embodiment a kind of.
Fig. 7 is a kind of signal of the differential term coefficient of rotation speed of the fan adjusting method shown according to an exemplary embodiment Figure.
Fig. 8 is a kind of flow chart of rotation speed of the fan adjusting method shown according to an exemplary embodiment.
Fig. 9 is a kind of signal of the rotation speed of the fan variation of rotation speed of the fan adjusting method shown according to an exemplary embodiment Figure.
Figure 10 is a kind of block diagram of fan rotating speed adjusting device shown according to an exemplary embodiment.
Figure 11 is a kind of block diagram of fan rotating speed adjusting device shown according to an exemplary embodiment.
Figure 12 is a kind of block diagram of fan rotating speed adjusting device shown according to an exemplary embodiment.
Specific embodiment
Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove It non-specifically points out, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary " Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, giving numerous details in specific embodiment below to better illustrate the disclosure. It will be appreciated by those skilled in the art that without certain details, the disclosure equally be can be implemented.In some instances, for Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight the purport of the disclosure.
Embodiment 1
Fig. 1 is a kind of flow chart of rotation speed of the fan adjusting method shown according to an exemplary embodiment.This method can answer In the equipment to radiate for server (such as girff server) or other needs.As shown in Figure 1, according to the embodiment of the present disclosure Rotation speed of the fan adjusting method includes:
Step S11 obtains the temperature deviation value and temperature of operational module according to the measured temperature of the operational module of equipment Spend the difference of deviation;
Step S12 determines the increment output valve of the operational module according to the temperature deviation value and above-mentioned difference;
Step S13 determines the corresponding rotation speed of the fan of the operational module according to above-mentioned increment output valve.
Fig. 2 is a kind of flow chart of the step 12 of rotation speed of the fan adjusting method shown according to an exemplary embodiment.Such as Shown in Fig. 2, step 12 includes:
Step 121, judge whether rate temperature change exceeds the first speed change threshold value according to the difference;
Step 122, when the rate temperature change is greater than or equal to the first speed change threshold value, according to initial fan incremental value The increment output valve of the operational module is determined with differential term parameter;
Step 123, when the rate temperature change is less than the first speed change threshold value, institute is determined according to initial fan incremental value The increment output valve of operational module is stated,
Wherein, initial fan incremental value is according to the temperature deviation value, integral coefficient, the difference and proportionality coefficient Determining, the differential term parameter includes the difference and differential coefficient of the difference.
In accordance with an embodiment of the present disclosure, temperature deviation value and its difference can be obtained based on measured temperature, become in temperature Increment output valve is determined according to initial fan incremental value when change rate is smaller, and introduces differential term when rate temperature change is larger Parameter determines increment output valve, and then determines rotation speed of the fan, to realize the smooth of rotation speed of the fan under reasonable power consumption levels It adjusts, reduce power consumption and reduces noise pollution.
For example, Fig. 3 and Fig. 4 is the signal according to the speed curves of the rotation speed of the fan adjusting method of the relevant technologies respectively Figure, wherein horizontal axis is temperature, and the longitudinal axis is percentage of the rotation speed of the fan relative to maximum speed.As shown in figure 3, in the relevant technologies Rotation speed of the fan linear regulation method in, before temperature c1, temperature is lower, does not need rotational speed regulation, therefore use stabilized (steady-state) speed Percentage s1 has reached heat dissipation purpose;When temperature is more than c1, as the temperature rises, rotation speed of the fan is linearly increasing;Work as temperature When more than c2, temperature has been in high-order, needs fan full-speed operation at this time, thus revolving speed percentage is 100% at this time.
As shown in figure 4, in the rotation speed of the fan linear regulation method of the relevant technologies, it is similar to Fig. 3, before temperature c1, Since temperature is lower, rotational speed regulation is not needed, therefore use stabilized (steady-state) speed percentage s1, have reached heat dissipation purpose;When temperature is super When crossing c1, rotation speed of the fan is linearly increasing as the temperature rises, advances the speed as k1, when temperature reaches c3, revolving speed percentage Reach s2;When temperature is more than c3, as the temperature rises, rotation speed of the fan is linearly increasing, and speed faster, is advanced the speed as k2 (k2>k1);When temperature is more than c4, temperature has been in high-order, needs fan full-speed operation, thus revolving speed percentage at this time at this time It is 100%.In the rotation speed of the fan adjusting method of the relevant technologies, linear regulation rotation speed of the fan is often higher than actually required turn Speed, thus power consumption can be beyond a part;And in some instantaneous adjustment processes, rotation speed of the fan can increase suddenly, thereupon Be then ear-piercing noise and part power consumption loss.
In the rotation speed of the fan adjusting method of the relevant technologies, fan speed can be adjusted using increment type PID algorithm, passed through Sensor obtains warming data, the deviation that the temperature sampling period obtains three times is then obtained by calculation recently, then substitute into ratio Example coefficient, integral coefficient, differential coefficient, obtain the regulated quantity of next cycle, such loop cycle is gone down to adjust fan Revolving speed.However, not smooth enough in rotation speed of the fan adjustment process, noise pollution is also inevitable when using the adjusting method.
In one possible implementation, in rotation speed of the fan adjusting method according to an embodiment of the present disclosure, every It can be (such as CPU, memory, hard by operational module every the management module in sampling period T, equipment (such as girff server) Disk, fan etc.) in temperature sensor collecting temperature value, to obtain the measured temperature of operational module.According to operational module Measured temperature, the temperature deviation value between measured temperature and temperature threshold values (temperature reference value) can be obtained.Wherein, Temperature threshold values (temperature reference value) are predetermined temperature threshold value, can be set according to system situation, different works The temperature threshold values for making module can be identical or different, and the disclosure is not construed as limiting this.
In one possible implementation, according to operational module when multiple before current time and current time The temperature deviation value for carving (time interval between each moment is sampling period T), can obtain the difference DELTA of temperature deviation value ek, k expression sampling number.
In one possible implementation, according to the temperature deviation value of operational module and the difference of temperature deviation value, The increment output valve Δ U of operational module can be obtainedk
For example, Proportional coefficient K can be passed throughP, integral coefficient KIAnd/or differential coefficient KDRespectively in connection with temperature deviation Value and its difference determine the increment output valve Δ U of operational modulek.Wherein, Proportional coefficient KP, integral coefficient KIAnd differential coefficient KDThere is following effect: scaling up COEFFICIENT K in the fan speed-regulating of equipment (operational module)P, timing action can be made sensitiveer, Speed regulation process is accelerated, and Proportional coefficient K is worked asPWhen bigger than normal, timing action can be made biggish overshoot occur, shake number in speed regulation process Increase, speed-regulating system stability weakens, and works as Proportional coefficient KPWhen less than normal, timing action can be made to tend to be slow;As integral coefficient KIPartially When big, integral term effect enhancing so that speed-regulating system stability weakens, but can improve speed-regulating system degree of regulation, work as integral COEFFICIENT KIWhen less than normal, the overshoot of timing action can be reduced, the concussion number in speed regulation process reduces, and the stability of speed-regulating system increases By force;Differential coefficient KDWhen size is suitable, be conducive to transient response of the speed-regulating system for temperature dynamic change, speed-regulating system is stablized Property will increase.Empirical value can be substituted into and reasonable Proportional coefficient K is calculated using the method for limits and trial and error procedureP, integral coefficient KIWith Differential coefficient KD, specific value can be determined according to different systems, and the disclosure is not construed as limiting this.
It in one possible implementation, can be according to difference DELTA ekJudge whether rate temperature change exceeds the first change Fast threshold value.It, can be with it may be considered that the temperature change of operational module is slower if rate temperature change is less than the first speed change threshold value Increment output valve Δ U is determined according to initial fan incremental valuek.Initial fan incremental value is according to the temperature deviation value, integral What coefficient, the difference and proportionality coefficient determined, wherein temperature deviation value and integral coefficient may be constructed integral term parameter (such as KI*ek, wherein KIIndicate integral coefficient, ekIndicate temperature deviation value), difference and proportionality coefficient may be constructed proportional ginseng Number (such as KP*Δek, wherein KPIndicate proportionality coefficient), in this way, initial fan incremental value can for example be expressed as KP*Δek+KI* ek.It in this way, can be to avoid rotational speed regulation mistake caused by the introducing differential term parameter when rate temperature change is smaller Fastly.
It in one possible implementation, can be with if rate temperature change is greater than or equal to the first speed change threshold value Think that the temperature change of operational module is very fast, increment output valve Δ can be determined according to initial fan incremental value and differential term parameter Uk.Wherein, differential term parameter may include the difference and differential coefficient of difference, for example, differential term parameter can be expressed as KD(Δ ek-Δek-1), wherein KDIndicate differential coefficient.In this way, differential term ginseng can be introduced when rate temperature change is larger Number, to quickly adjust rotation speed of the fan to required revolving speed.
In one possible implementation, in the case where getting the increment output valve of operational module, according to fan Initial speed and operational module increment output valve, the rotation speed of the fan of available next cycle (sampling period T), into And fan is adjusted according to rotation speed of the fan, so that the rotation speed of the fan in next cycle meets the rotation speed of the fan, realize wind Fan the smooth adjustment of revolving speed.
Fig. 5 is the flow chart of the step S11 of rotation speed of the fan adjusting method shown according to an exemplary embodiment a kind of.Such as Shown in Fig. 5, in one possible implementation, step S11 includes:
Step S111, operational module based on equipment is in -1 measured temperature of k-th of sampling instant, kth sampling The measured temperature of -2 sampling instants of measured temperature and kth at quarter, obtain k-th of sampling instant temperature deviation value, the The temperature deviation value of -2 sampling instants of temperature deviation value and kth of k-1 sampling instant;
Step S112, the temperature deviation value of the temperature deviation value and -1 sampling instant of kth of k-th of sampling instant of acquisition The difference of the temperature deviation value of the temperature deviation value and -2 sampling instants of kth of -1 sampling instant of difference and kth,
Wherein, k is sampling number, k > 2.
For example, the operational module of available equipment is adopted in the measured temperature of k-th of sampling instant, kth -1 The measured temperature of -2 sampling instants of measured temperature and kth at sample moment, and then seek each measured temperature and opposite The difference between temperature threshold values answered obtains the temperature deviation value e of k-th of sampling instantk, -1 sampling instant of kth temperature Deviation ek-1And the temperature deviation value temperature deviation value e of -2 sampling instants of kthk-2
In one possible implementation, the temperature deviation value e based on k-th of sampling instantk, -1 sampling of kth when The temperature deviation value e at quarterk-1And the temperature deviation value temperature deviation value e of -2 sampling instants of kthk-2, k-th of sampling can be obtained The difference DELTA e of the temperature deviation value of the temperature deviation value and -1 sampling instant of kth at momentkAnd -1 sampling instant of kth The difference DELTA e of temperature deviation value and the temperature deviation value of -2 sampling instants of kthk-1.Difference DELTA ekWith Δ ek-1It can indicate are as follows:
Δek=ek-ek-1
Δek-1=ek-1-ek-2 (1)
Fig. 6 is the flow chart of the step S12 of rotation speed of the fan adjusting method shown according to an exemplary embodiment a kind of.Such as Shown in Fig. 6, in one possible implementation, step S121 includes:
Step S1211 judges that the rate temperature change becomes beyond first when the difference exceeds the first difference section Fast threshold value.
For example, as the difference DELTA e of temperature deviation valuekWhen beyond the first difference section, i.e. Δ ekValue to fall into first poor It is worth except section, it is believed that temperature change is very fast, and rate temperature change exceeds the first speed change threshold value, can introduce differential term ginseng Number carries out quickly adjusting rotation speed of the fan.Wherein, the first difference section can be preset difference section, can be according to system Concrete condition set, the disclosure to the specific range in the first difference section without limitation.
In this way, can judge whether rate temperature change is larger by difference, so that judgement is more accurate.
In one possible implementation, the increment that can obtain operational module using following formula in a step 11 is defeated It is worth out:
ΔUk=KP*Δek+KI*ek+f(Δek 2)*KD(Δek-Δek-1) (2)
In formula (2), Δ UkIndicate the increment output valve of k-th of sampling instant, KPIndicate proportionality coefficient, KIIndicate product Divide coefficient, KDIndicate differential coefficient, ekIndicate the temperature deviation value of k-th of sampling instant, Δ ekIndicate k-th of sampling instant The difference of temperature deviation value and the temperature deviation value of -1 sampling instant of kth, Δ ek-1Indicate the temperature of -1 sampling instant of kth The difference of deviation and the temperature deviation value of -2 sampling instants of kth, f (Δ ek 2) indicate k-th of sampling instant differential term system Number,
Wherein, in Δ ek 2In the case where first threshold, differential term coefficient f (Δ ek 2) value be 0;
In Δ ek 2In the case where first threshold, differential term coefficient f (Δ ek 2) value be 1.
Fig. 7 is a kind of signal of the differential term coefficient of rotation speed of the fan adjusting method shown according to an exemplary embodiment Figure, wherein horizontal axis is Δ ek 2, the longitudinal axis is differential term coefficient f (Δ ek 2)。
For example, as shown in fig. 7, temperature deviation value difference DELTA ekWhen in the first difference section, Δ ek 2It is less than First threshold a, temperature change is slower, then can make differential term coefficient f (Δ ek 2) value be 0, avoid introduce differential term parameter (KD(Δek-Δek-1)) caused by rotational speed regulation it is too fast;When the difference of temperature deviation value exceeds the first difference section, Δ ek 2More than or equal to first threshold a, it is believed that temperature change is very fast, then can make differential term coefficient f (Δ ek 2) value be 1, from And introduce differential term parameter (KD(Δek-Δek-1)), to enhance the rapid adjustability of speed-regulating system.
In one possible implementation, first threshold a can be threshold value for indicating temperature changing trend, with the One difference section is corresponding.For example, first threshold a can be counted according to the bulk temperature change rate c of equipment in sampling period T Calculate: a=(n*c) ^2, wherein n is constant coefficient, can take positive integer, i.e. n of the temperature changing trend in bulk temperature change rate c Times, it square is to remove sign and influence.Different equipment can have different bulk temperature change rate c, for given Equipment, bulk temperature change rate c can be constant, such as c can be with value for 1.5 DEG C.The disclosure changes bulk temperature The specific value of rate c and the specific representation of first threshold a are with no restriction.
In this way, differential term parameter can be introduced when temperature change is very fast, according to initial fan incremental value (KP*Δek+KI*ek) and differential term parameter (KD(Δek-Δek-1)) increment output valve is obtained, realize the fast velocity modulation of rotation speed of the fan Section.
Fig. 8 is a kind of flow chart of rotation speed of the fan adjusting method shown according to an exemplary embodiment.As shown in figure 8, In one possible implementation, operational module can be multiple, the method also includes:
The average value of the increment output valve of multiple operational modules or maximum value are determined as the whole of the equipment by step S14 Body increment output valve;
Step S15 determines the corresponding rotation speed of the fan of the equipment according to the whole increment output valve.
For example, the operational module of equipment can be multiple, for example, equipment may include that CPU, memory, hard disk etc. are more A operational module, different operational modules can have different increment output valve Δ Uk.It can be according to increment output valve Δ UkIt obtains Take the whole increment output valve of equipmentThe entirety increment output valveIt can be multiple increment output valve Δ UkIt is flat Mean value is also possible to multiple increment output valve Δ UkMaximum value, it is defeated whole increment can also to be calculated using other calculations It is worth outAnd then according to whole increment output valveDetermine the corresponding rotation speed of the fan of equipment.
In one possible implementation, the average value of the increment output valve of multiple operational modules can be determined as setting Standby whole increment output valve, can enable whole increment output valve to represent the bulk temperature variation tendency of equipment in this way, So that the calculating of rotation speed of the fan is more accurate, rotation speed of the fan can be accurately adjusted.
In one possible implementation, the maximum value of the increment output valve of multiple operational modules can be determined as setting Standby whole increment output valve, can enable whole increment output valve to represent the maximum temperature variation tendency of equipment in this way, So that the temperature change of equipment can be efficiently controlled to the adjusting of rotation speed of the fan, avoid partial region temperature it is excessively high caused by Parts damages.
In one possible implementation, the corresponding rotation speed of the fan of equipment can be obtained using following formula (3):
In formula (3), skK-th of sampling instant can be indicated to the corresponding wind of equipment during+1 sampling instant of kth Fan revolving speed, s0Indicate the corresponding initial rotation speed of the fan of equipment,Indicate the whole increment output valve of k-th of sampling instant, M table Show proportionality constant, be positive integer, the proportionality constant removes whole increment output valve for amplifying the whole increment output valve Fractional part, k is sampling number, k > 2.
For example, it can have initial rotation speed of the fan s after device power-up0, the initial rotation speed of the fan s0It can indicate are as follows:
s0=Smax*(PB/PF) (4)
Wherein, SmaxIndicate fan maximum (top) speed, PBIndicate equipment each operational module (calculate node) mean power it With PFIndicate the sum of each operational module (calculate node) region cooling fan maximum power of equipment.Given is set Standby, the parameters in formula (4) can be constant.
In one possible implementation, proportionality constant M is for amplifying the whole increment output valveIt removes whole Body increment output valveFractional part, proportionality constant M can be 100 positive integer times, thus increase fan speed adjusting Reasonability.It sums to initial rotation speed of the fan and amplified whole increment output valve, next sampling week can be obtained The corresponding rotation speed of the fan of equipment during phase, and then fan is adjusted.
In this way, smoothly the corresponding rotation speed of the fan of adjustment equipment, reduction power consumption simultaneously it can reduce noise pollution.
Fig. 9 is a kind of signal of the rotation speed of the fan variation of rotation speed of the fan adjusting method shown according to an exemplary embodiment Figure, wherein horizontal axis is temperature deviation value, and the longitudinal axis is rotation speed of the fan.As shown in figure 9, being opened at equipment (such as girff server) Afterwards, in initial speed s0Revolving speed can reduce a part after operating a period of time, and then as temperature constantly rises, rotation speed of the fan is not It is disconnected to increase;After temperature deviation value reaches a reasonable value, rotation speed of the fan reaches maximum Smax, accelerate radiating rate, reduce temperature Spend the high influence to all parts.
Rotation speed of the fan adjusting method according to an embodiment of the present disclosure can be obtained by constantly substituting into the temperature sampling period Deviation, the speed that equipment (such as girff server) fan should adjust is calculated, so that the temperature of equipment be made to be in setting In the range of.After device power-up, fan is with a constant rotational speed s0Rotation, obtains in girff after several temperature sampling cycle Ts The temperature deviation value of modules, and the difference of deviation between each period is calculated, it substitutes into improved formula (2) and obtains increasing Measure output valve Δ Uk.Wherein, the difference of deviation is used to judge the variation tendency of adjacent periods temperature, when temperature change is too fast When, differential term is substituted into increment output valve Δ Uk, accelerate fan speed-regulating response speed;It correspondingly, can when temperature change is slow To only use proportional and integral term increment of adjustment output valve Δ Uk, improve the anti-interference ability of fan speed-regulating.
Rotation speed of the fan adjusting method according to an embodiment of the present disclosure, during the fan speed-regulating of equipment, by each The revolving speed that link is calculated can be effectively reduced power consumption closer to actually required, reduce energy consumption;Also, in instantaneous wind Revolving speed step is effectively reduced when fan speed regulation and increases situation, speed adjusting is more smooth, can be effectively reduced noise, while fan mould Block loss will drop to reasonable level.
Embodiment 2
Figure 10 is a kind of block diagram of fan rotating speed adjusting device shown according to an exemplary embodiment.As shown in Figure 10, The fan rotating speed adjusting device includes: that difference obtains module 71, output valve determining module 72 and the first revolving speed determining module 73.
Difference obtains module 71, for the measured temperature according to the operational module of equipment, obtains the operational module The difference of temperature deviation value and temperature deviation value;
Output valve determining module 72, for determining the operational module according to the temperature deviation value and the difference Increment output valve;
First revolving speed determining module 73, for determining the corresponding fan of the operational module according to the increment output valve Revolving speed.
Figure 11 is a kind of block diagram of fan rotating speed adjusting device shown according to an exemplary embodiment.As shown in figure 11, In one possible implementation, the output valve determining module 72 includes:
Speed change judging submodule 721, for judging whether rate temperature change exceeds the first speed change threshold according to the difference Value;
First revolving speed determines submodule 722, is used for when the rate temperature change is greater than or equal to the first speed change threshold value, The increment output valve of the operational module is determined according to initial fan incremental value and differential term parameter;
Second revolving speed determines submodule 723, is used for when the rate temperature change is less than the first speed change threshold value, according to first Beginning fan incremental value determines the increment output valve of the operational module,
Wherein, initial fan incremental value is according to the temperature deviation value, integral coefficient, the difference and proportionality coefficient Determining, the differential term parameter includes the difference and differential coefficient of the difference.
As shown in figure 11, in one possible implementation, the speed change judging submodule 721 includes:
Difference judging submodule 7211, for judging the temperature change when the difference exceeds the first difference section Rate exceeds the first speed change threshold value.
In one possible implementation, the increment output valve of the operational module is determined using following formula:
ΔUk=KP*Δek+KI*ek+f(Δek 2)*KD(Δek-Δek-1)
Wherein, Δ UkIndicate the increment output valve of k-th of sampling instant, KPIndicate proportionality coefficient, KIIndicate integral coefficient, KDIndicate differential coefficient, ekIndicate the temperature deviation value of k-th of sampling instant, Δ ekIndicate the temperature deviation of k-th of sampling instant The difference of value and the temperature deviation value of -1 sampling instant of kth, Δ ek-1Indicate -1 sampling instant of kth temperature deviation value with The difference of the temperature deviation value of -2 sampling instants of kth, f (Δ ek 2) indicate k-th of sampling instant differential term coefficient,
Wherein, in Δ ek 2In the case where first threshold, differential term coefficient f (Δ ek 2) value be 0;
In Δ ek 2In the case where first threshold, differential term coefficient f (Δ ek 2) value be 1.
As shown in figure 11, in one possible implementation, the operational module is multiple, described device further include:
Whole input value determining module 74, for the average value of the increment output valve of multiple operational modules or maximum value is true It is set to the whole increment output valve of the equipment;
Second revolving speed determining module 75, for determining the corresponding fan of the equipment according to the whole increment output valve Revolving speed.
In one possible implementation, the corresponding rotation speed of the fan of the equipment is determined using following formula:
Wherein, skIndicate k-th of sampling instant to the corresponding rotation speed of the fan of equipment described during+1 sampling instant of kth, s0 Indicate the corresponding initial rotation speed of the fan of the equipment,Indicate the whole increment output valve of k-th of sampling instant, M indicates ratio Example constant, is positive integer, and the proportionality constant removes the small of whole increment output valve for amplifying the whole increment output valve Number part, k is sampling number, k > 2.
As shown in figure 11, in one possible implementation, the difference acquisition module 71 includes:
Deviation acquisition submodule 711, for based on the operational module k-th of sampling instant measured temperature, The measured temperature of -2 sampling instants of measured temperature and kth of -1 sampling instant of kth obtains k-th of sampling instant Temperature deviation value, the temperature deviation value of -2 sampling instants of the temperature deviation value of -1 sampling instant of kth and kth;
Difference acquisition submodule 712, for obtaining the temperature deviation value and -1 sampling instant of kth of k-th of sampling instant Temperature deviation value -1 sampling instant of difference and kth temperature deviation value and -2 sampling instants of kth temperature deviation The difference of value,
Wherein, k is sampling number, k > 2.
In accordance with an embodiment of the present disclosure, temperature deviation value and its difference can be obtained based on measured temperature, become in temperature Increment output valve is determined according to initial fan incremental value when change rate is smaller, and introduces differential term when rate temperature change is larger Parameter determines increment output valve, and then determines rotation speed of the fan, to realize the smooth of rotation speed of the fan under reasonable power consumption levels It adjusts, reduce power consumption and reduces noise pollution.
Embodiment 3
Figure 12 is a kind of block diagram of fan rotating speed adjusting device 1900 shown according to an exemplary embodiment.For example, dress Setting 1900 may be provided as a server.Referring to Fig.1 2, it further comprises one that device 1900, which includes processing component 1922, Or multiple processors and memory resource represented by a memory 1932, it can holding by processing component 1922 for storing Capable instruction, such as application program.The application program stored in memory 1932 may include one or more each A module for corresponding to one group of instruction.In addition, processing component 1922 is configured as executing instruction, to execute the above method.
Device 1900 can also include that a power supply module 1926 be configured as the power management of executive device 1900, and one Wired or wireless network interface 1950 is configured as device 1900 being connected to network and input and output (I/O) interface 1958.Device 1900 can be operated based on the operating system for being stored in memory 1932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or similar.
In the exemplary embodiment, a kind of non-volatile computer readable storage medium storing program for executing including instruction, example are additionally provided It such as include the memory 1932 of instruction, above-metioned instruction can be executed by the processing component 1922 of device 1900 to complete the above method.
The disclosure can be system, method and/or computer program product.Computer program product may include computer Readable storage medium storing program for executing, containing for making processor realize the computer-readable program instructions of various aspects of the disclosure.
Computer readable storage medium, which can be, can keep and store the tangible of the instruction used by instruction execution equipment Equipment.Computer readable storage medium for example can be-- but it is not limited to-- storage device electric, magnetic storage apparatus, optical storage Equipment, electric magnetic storage apparatus, semiconductor memory apparatus or above-mentioned any appropriate combination.Computer readable storage medium More specific example (non exhaustive list) includes: portable computer diskette, hard disk, random access memory (RAM), read-only deposits It is reservoir (ROM), erasable programmable read only memory (EPROM or flash memory), static random access memory (SRAM), portable Compact disk read-only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, for example thereon It is stored with punch card or groove internal projection structure and the above-mentioned any appropriate combination of instruction.Calculating used herein above Machine readable storage medium storing program for executing is not interpreted that instantaneous signal itself, the electromagnetic wave of such as radio wave or other Free propagations lead to It crosses the electromagnetic wave (for example, the light pulse for passing through fiber optic cables) of waveguide or the propagation of other transmission mediums or is transmitted by electric wire Electric signal.
Computer-readable program instructions as described herein can be downloaded to from computer readable storage medium it is each calculate/ Processing equipment, or outer computer or outer is downloaded to by network, such as internet, local area network, wide area network and/or wireless network Portion stores equipment.Network may include copper transmission cable, optical fiber transmission, wireless transmission, router, firewall, interchanger, gateway Computer and/or Edge Server.Adapter or network interface in each calculating/processing equipment are received from network to be counted Calculation machine readable program instructions, and the computer-readable program instructions are forwarded, for the meter being stored in each calculating/processing equipment In calculation machine readable storage medium storing program for executing.
Computer program instructions for executing disclosure operation can be assembly instruction, instruction set architecture (ISA) instructs, Machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or with one or more programming languages The source code or object code that any combination is write, the programming language include the programming language-of object-oriented such as Smalltalk, C++ etc., and conventional procedural programming languages-such as " C " language or similar programming language.Computer Readable program instructions can be executed fully on the user computer, partly execute on the user computer, be only as one Vertical software package executes, part executes on the remote computer or completely in remote computer on the user computer for part Or it is executed on server.In situations involving remote computers, remote computer can pass through network-packet of any kind It includes local area network (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as benefit It is connected with ISP by internet).In some embodiments, by utilizing computer-readable program instructions Status information carry out personalized customization electronic circuit, such as programmable logic circuit, field programmable gate array (FPGA) or can Programmed logic array (PLA) (PLA), the electronic circuit can execute computer-readable program instructions, to realize each side of the disclosure Face.
Referring herein to according to the flow chart of the method, apparatus (system) of the embodiment of the present disclosure and computer program product and/ Or block diagram describes various aspects of the disclosure.It should be appreciated that flowchart and or block diagram each box and flow chart and/ Or in block diagram each box combination, can be realized by computer-readable program instructions.
These computer-readable program instructions can be supplied to general purpose computer, special purpose computer or other programmable datas The processor of processing unit, so that a kind of machine is produced, so that these instructions are passing through computer or other programmable datas When the processor of processing unit executes, function specified in one or more boxes in implementation flow chart and/or block diagram is produced The device of energy/movement.These computer-readable program instructions can also be stored in a computer-readable storage medium, these refer to It enables so that computer, programmable data processing unit and/or other equipment work in a specific way, thus, it is stored with instruction Computer-readable medium then includes a manufacture comprising in one or more boxes in implementation flow chart and/or block diagram The instruction of the various aspects of defined function action.
Computer-readable program instructions can also be loaded into computer, other programmable data processing units or other In equipment, so that series of operation steps are executed in computer, other programmable data processing units or other equipment, to produce Raw computer implemented process, so that executed in computer, other programmable data processing units or other equipment Instruct function action specified in one or more boxes in implementation flow chart and/or block diagram.
The flow chart and block diagram in the drawings show system, method and the computer journeys according to multiple embodiments of the disclosure The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation One module of table, program segment or a part of instruction, the module, program segment or a part of instruction include one or more use The executable instruction of the logic function as defined in realizing.In some implementations as replacements, function marked in the box It can occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually be held substantially in parallel Row, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram and/or The combination of each box in flow chart and the box in block diagram and or flow chart, can the function as defined in executing or dynamic The dedicated hardware based system made is realized, or can be realized using a combination of dedicated hardware and computer instructions.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or lead this technology Other those of ordinary skill in domain can understand each embodiment disclosed herein.

Claims (12)

1. a kind of rotation speed of the fan adjusting method, which is characterized in that the described method includes:
According to the measured temperature of the operational module of equipment, the temperature deviation value and temperature deviation value of the operational module are obtained Difference;
According to the temperature deviation value and the difference, the increment output valve of the operational module is determined;
According to the increment output valve, the corresponding rotation speed of the fan of the operational module is determined,
Wherein it is determined that the increment output valve of the operational module, comprising:
Judge whether rate temperature change exceeds the first speed change threshold value according to the difference;
When the rate temperature change is greater than or equal to the first speed change threshold value, according to initial fan incremental value and differential term parameter Determine the increment output valve of the operational module;
When the rate temperature change is less than the first speed change threshold value, the operational module is determined according to initial fan incremental value Increment output valve,
Wherein, the initial fan incremental value is according to the temperature deviation value, integral coefficient, the difference and proportionality coefficient Determining, the differential term parameter includes the difference and differential coefficient of the difference.
2. the method according to claim 1, wherein judging whether rate temperature change exceeds according to the difference First speed change threshold value, comprising:
When the difference exceeds the first difference section, judge the rate temperature change beyond the first speed change threshold value.
3. according to the method described in claim 2, it is characterized in that, determining that the increment of the operational module is defeated using following formula It is worth out:
ΔUk=KP*Δek+KI*ek+f(Δek 2)*KD(Δek-Δek-1)
Wherein, Δ UkIndicate the increment output valve of k-th of sampling instant, KPIndicate proportionality coefficient, KIIndicate integral coefficient, KDIt indicates Differential coefficient, ekIndicate the temperature deviation value of k-th of sampling instant, Δ ekIndicate the temperature deviation value of k-th of sampling instant and the The difference of the temperature deviation value of k-1 sampling instant, Δ ek-1Indicate -1 sampling instant of kth temperature deviation value with kth -2 The difference of the temperature deviation value of sampling instant, f (Δ ek 2) indicate k-th of sampling instant differential term coefficient,
Wherein, in Δ ek 2In the case where first threshold, differential term coefficient f (Δ ek 2) value be 0;
In Δ ek 2In the case where first threshold, differential term coefficient f (Δ ek 2) value be 1.
4. the method according to claim 1, wherein the operational module be it is multiple, the method also includes:
The average value of the increment output valve of multiple operational modules or maximum value are determined as to the whole increment output valve of the equipment;
According to the whole increment output valve, the corresponding rotation speed of the fan of the equipment is determined.
5. according to the method described in claim 4, it is characterized in that, determining that the corresponding fan of the equipment turns using following formula Speed:
Wherein, skIndicate k-th of sampling instant to the corresponding rotation speed of the fan of equipment described during+1 sampling instant of kth, s0It indicates The corresponding initial rotation speed of the fan of the equipment,Indicate the whole increment output valve of k-th of sampling instant, M indicates that ratio is normal Number, is positive integer, and the proportionality constant removes the small of the whole increment output valve for amplifying the whole increment output valve Number part, k is sampling number, k > 2.
6. the method according to claim 1, wherein obtaining the temperature deviation value and temperature of the operational module The difference of deviation, comprising:
Based on the operational module the measured temperature of k-th of sampling instant, -1 sampling instant of kth measured temperature and The measured temperature of -2 sampling instants of kth obtains the temperature of -1 sampling instant of temperature deviation value, kth of k-th of sampling instant Spend the temperature deviation value of -2 sampling instants of deviation and kth;
Obtain the difference and kth-of the temperature deviation value of k-th of sampling instant and the temperature deviation value of -1 sampling instant of kth The difference of the temperature deviation value of the temperature deviation value and -2 sampling instants of kth of 1 sampling instant,
Wherein, k is sampling number, k > 2.
7. a kind of fan rotating speed adjusting device, which is characterized in that described device includes:
Difference obtains module, and for the measured temperature according to the operational module of equipment, the temperature for obtaining the operational module is inclined The difference of difference and temperature deviation value;
Output valve determining module, for determining the increment of the operational module according to the temperature deviation value and the difference Output valve;
First revolving speed determining module, for determining the corresponding rotation speed of the fan of the operational module according to the increment output valve,
Wherein, the output valve determining module includes:
Speed change judging submodule, for judging whether rate temperature change exceeds the first speed change threshold value according to the difference;
First revolving speed determines submodule, is used for when the rate temperature change is greater than or equal to the first speed change threshold value, according to first Beginning fan incremental value and differential term parameter determine the increment output valve of the operational module;
Second revolving speed determines submodule, is used for when the rate temperature change is less than the first speed change threshold value, according to initial fan Incremental value determines the increment output valve of the operational module,
Wherein, the initial fan incremental value is according to the temperature deviation value, integral coefficient, the difference and proportionality coefficient Determining, the differential term parameter includes the difference and differential coefficient of the difference.
8. device according to claim 7, which is characterized in that the speed change judging submodule includes:
Difference judging submodule, for judging that the rate temperature change exceeds when the difference exceeds the first difference section First speed change threshold value.
9. device according to claim 8, which is characterized in that determine that the increment of the operational module is defeated using following formula It is worth out:
ΔUk=KP*Δek+KI*ek+f(Δek 2)*KD(Δek-Δek-1)
Wherein, Δ UkIndicate the increment output valve of k-th of sampling instant, KPIndicate proportionality coefficient, KIIndicate integral coefficient, KDIt indicates Differential coefficient, ekIndicate the temperature deviation value of k-th of sampling instant, Δ ekIndicate the temperature deviation value of k-th of sampling instant and the The difference of the temperature deviation value of k-1 sampling instant, Δ ek-1Indicate -1 sampling instant of kth temperature deviation value with kth -2 The difference of the temperature deviation value of sampling instant, f (Δ ek 2) indicate k-th of sampling instant differential term coefficient,
Wherein, in Δ ek 2In the case where first threshold, differential term coefficient f (Δ ek 2) value be 0;
In Δ ek 2In the case where first threshold, differential term coefficient f (Δ ek 2) value be 1.
10. device according to claim 7, which is characterized in that the operational module is multiple, described device further include:
Whole input value determining module, for the average value of the increment output valve of multiple operational modules or maximum value to be determined as institute State the whole increment output valve of equipment;
Second revolving speed determining module, for determining the corresponding rotation speed of the fan of the equipment according to the whole increment output valve.
11. device according to claim 10, which is characterized in that determine the corresponding fan of the equipment using following formula Revolving speed:
Wherein, skIndicate k-th of sampling instant to the corresponding rotation speed of the fan of equipment described during+1 sampling instant of kth, s0It indicates The corresponding initial rotation speed of the fan of the equipment,Indicate the whole increment output valve of k-th of sampling instant, M indicates that ratio is normal Number, is positive integer, and the proportionality constant removes the fractional part of whole increment output valve for amplifying the whole increment output valve Point, k is sampling number, k > 2.
12. device according to claim 7, which is characterized in that the difference obtains module and includes:
Deviation acquisition submodule, for based on the operational module at the measured temperature of k-th of sampling instant, kth -1 The measured temperature of -2 sampling instants of measured temperature and kth of sampling instant obtains the temperature deviation of k-th of sampling instant Value, the temperature deviation value of -2 sampling instants of the temperature deviation value of -1 sampling instant of kth and kth;
Difference acquisition submodule, it is inclined for obtaining the temperature of -1 sampling instant of temperature deviation value and kth of k-th of sampling instant The difference of the temperature deviation value of the temperature deviation value and -2 sampling instants of kth of -1 sampling instant of difference and kth of difference Value,
Wherein, k is sampling number, k > 2.
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