CN109739323A - A kind of server power block fan rotational frequency control method and device - Google Patents
A kind of server power block fan rotational frequency control method and device Download PDFInfo
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- CN109739323A CN109739323A CN201811598019.5A CN201811598019A CN109739323A CN 109739323 A CN109739323 A CN 109739323A CN 201811598019 A CN201811598019 A CN 201811598019A CN 109739323 A CN109739323 A CN 109739323A
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Abstract
The embodiment of the invention discloses a kind of server power block fan rotational frequency control method and devices, when method is included in power module and meets cooling requirements, the corresponding relationship of power module fan duty ratio PWM_PSU Yu server system fan duty ratio PWM_SYS are established；Obtain current server system fan duty ratio PWM_SYS, according to the corresponding relationship, corresponding power module fan duty ratio PWM_PSU is obtained, and combines the fan duty ratio PWM of the intrinsic fan regulation and controlling strategy of power module, adjusts the duty ratio of power module fan jointly with PWM and PWM_PSU.The present invention adjusts power module rotation speed of the fan according to system rotation speed of the fan, and when system rotation speed of the fan is higher, power supply fan also can accordingly raise speed, and guarantee does not occur hot air reflux problem.
Description
Technical field
The present invention relates to server radiating technical field, specifically a kind of server power block rotation speed of the fan control
Method and device.
Background technique
Power module is usually located at server air side, and mentality of designing is that power module hot wind is allowed to be directly entered data center
Hot-air channel.But with the sharply raising of server heat flow density, the wind pressure parameter of server system internal fan is higher and higher,
When power module rotation speed of the fan is lower, easily there is fan reflux problem.
The hot wind of data center flows into server internal by power module, not only influences power module self-radiating, more
Server internal dissipating-heat environment can be deteriorated, lead to the critical components overtemperature such as processor, memory.The rotation speed of the fan of power module at present
Only regulated and controled by its internal sensor (sensor), can not be adjusted the speed according to server system heat dispersal situations, exacerbate hot air reflux
Risk.
Summary of the invention
A kind of server power block fan rotational frequency control method is provided in the embodiment of the present invention, to solve the prior art
There is the problem of hot air reflux in middle server internal.
In order to solve the above-mentioned technical problem, the embodiment of the invention discloses following technical solutions:
First aspect present invention provides a kind of server power block fan rotational frequency control method, the method includes with
Lower step:
When power module meets cooling requirements, power module fan duty ratio PWM_PSU (PWM, Pulse- are established
The modulation of width modulation pulse width；PSU, power supply unit, power module) and server system fan
Duty ratio PWM_SYS (PWM, Pulse-width modulation pulse width modulation；SYS, system, system) corresponding close
System；
It obtains current server system fan duty ratio PWM_SYS and corresponding power supply mould is obtained according to the corresponding relationship
Block fan duty ratio PWM_PSU, and the fan duty ratio PWM of the intrinsic fan regulation and controlling strategy of power module is combined, with PWM and PWM_
PSU adjusts the duty ratio of power module fan jointly.
With reference to first aspect, in a first possible implementation of that first aspect, the power module fan of establishing turns
The detailed process of the corresponding relationship of fast PWM_PSU and server system rotation speed of the fan PWM_SYS are as follows:
The value of fixed server system fan duty ratio PWM_SYS is set；
Power module fan duty ratio PWM_PSU is adjusted, when power module air outlet wind speed reaches cooling requirements, record
The value of current PWM_PSU；
The value for changing PWM_SYS obtains the value of corresponding PWM_PSU according to above-mentioned steps, forms PWM_PSU and PWM_
The corresponding relationship of SYS.
With reference to first aspect, in a first possible implementation of that first aspect, it is arranged at power module air outlet
Anemobiagraph measures the wind speed of air outlet, and when the wind speed reaches wind speed needed for power module, power module reaches the heat dissipation
It is required that.
With reference to first aspect, in a second possible implementation of that first aspect, the method also includes:
The corresponding relationship is written in BMC firmware.
With reference to first aspect, in a second possible implementation of that first aspect, described common with PWM and PWM_PSU
Adjust the duty ratio of power module fan specifically:
Compare the size of PWM and PWM_PSU, the duty ratio of power module fan is adjusted with the high value in the two.
Second aspect of the present invention provides a kind of server power block fan rotation speed control apparatus, and described device includes:
Data processing module, when power module meets cooling requirements, establish power module fan duty ratio PWM_PSU with
The corresponding relationship of server system fan duty ratio PWM_SYS；
Memory module, for storing the corresponding relationship；
Control module obtains pair for according to current server system fan duty ratio PWM_SYS and the corresponding relationship
The power module fan duty ratio PWM_PSU answered, and the fan duty ratio PWM of the intrinsic fan regulation and controlling strategy of power module is combined,
The duty ratio of power module fan is adjusted with the high value in both PWM and PWM_PSU.
In conjunction with second aspect, in second aspect in the first possible implementation, the data processing module includes:
First processing units, for the value of fixed server system fan duty ratio PWM_SYS to be arranged；
Second processing module adjusts power module fan duty ratio PWM_PSU, when power module air outlet wind speed reaches scattered
When heat request, the value of current PWM_PSU is recorded；
Third processing module, for establishing the corresponding relationship of PWM_PSU and PWM_SYS.
The server power block fan rotation speed control apparatus of second aspect of the present invention can be realized first aspect and
Method in each implementation of first aspect, and obtain identical effect.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned
A technical solution in technical solution have the following advantages that or the utility model has the advantages that
By establishing the corresponding relationship of server system fan duty ratio Yu power module fan duty ratio, to power supply mould
When block fan speed-regulating controls, according to the value of the power module fan duty ratio in corresponding relationship and intrinsic power module fan duty
The value of ratio is compared, using in the two biggish numerical value as power module fan speed-regulating value, guarantee be not in hot air reflux
The problem of, server radiating performance is improved, excess temperature risk is avoided.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow diagram of the method for the invention；
Fig. 2 is the logical schematic of this law the method；
Fig. 3 is the structural schematic diagram of Installation practice of the present invention.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.Following disclosure provides many different embodiments or example is used to realize different knots of the invention
Structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings
It draws.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid the present invention is unnecessarily limiting.
As shown in Figure 1, server power block fan rotational frequency control method of the invention the following steps are included:
S1 establishes power module fan duty ratio PWM_PSU and server system when power module meets cooling requirements
The corresponding relationship of fan duty ratio PWM_SYS；
The value of fixed server system fan duty ratio PWM_SYS is set, and at this value, adjusts power module fan
Duty ratio PWM_PSU records the value of current PWM_PSU when power module air outlet wind speed reaches cooling requirements；Change PWM_
The value of SYS obtains the value of corresponding PWM_PSU according to above-mentioned steps, forms the corresponding relationship of PWM_PSU and PWM_SYS.
Anemobiagraph is set at power module air outlet, measures the wind speed of air outlet, reaches power module in the wind speed
When required wind speed, power module reaches the cooling requirements.
Power module air outlet wind speed reaches the foundation of cooling requirements are as follows: the air outlet wind speed that anemobiagraph measures is equal to or height
When the required heat dissipation wind speed specified in power module specifications, that is, meet cooling requirements.
S2 obtains current server system fan duty ratio PWM_SYS according to the corresponding relationship and obtains corresponding electricity
Source module fan duty ratio PWM_PSU, and combine the fan duty ratio PWM of the intrinsic fan regulation and controlling strategy of power module, with PWM and
PWM_PSU adjusts the duty ratio of power module fan jointly.
BMC firmware is written in the corresponding relationship that step S1 is obtained.As shown in Fig. 2, when controlling power module fan speed-regulating,
The duty ratio that BMC obtains current server system fan finds the duty ratio of power module fan according to corresponding relationship, by this
The duty ratio of corresponding power module fan is passed by PM BUS (Power Management Bus, power management bus) agreement
Pass power module.Fan duty ratio in codomain fan regulation and controlling strategy inherently is compared by power module, with two
High level in person adjusts the duty ratio of power module fan.
As shown in figure 3, server power block fan rotation speed control apparatus of the present invention includes data processing module 1, storage
Module 2 and control module 3.
Data processing module 1 when power module meets cooling requirements, establish power module fan duty ratio PWM_PSU with
The corresponding relationship of server system fan duty ratio PWM_SYS；Memory module 2 is for storing the corresponding relationship；Control module 3
For obtaining corresponding power module fan according to current server system fan duty ratio PWM_SYS and the corresponding relationship
Duty ratio PWM_PSU, and the fan duty ratio PWM of the intrinsic fan regulation and controlling strategy of power module is combined, with PWM and PWM_PSU two
High value in person adjusts the duty ratio of power module fan.
Data processing module 1 further includes first processing units 11, the second processing unit 12 and third processing unit 13.
First processing units 11 are used to be arranged the value of fixed server system fan duty ratio PWM_SYS；Second processing
Module 12 adjusts power module fan duty ratio PWM_PSU, and when power module air outlet wind speed reaches cooling requirements, record is worked as
The value of preceding PWM_PSU；Third processing module 13 is used to establish the corresponding relationship of PWM_PSU and PWM_SYS.
The above is the preferred embodiment of the present invention, for those skilled in the art,
Without departing from the principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also regarded as this hair
Bright protection scope.
Claims (7)
1. a kind of server power block fan rotational frequency control method, characterized in that the described method comprises the following steps:
When power module meets cooling requirements, establishes power module fan duty ratio PWM_PSU and accounted for server system fan
The corresponding relationship of sky ratio PWM_SYS；
It obtains current server system fan duty ratio PWM_SYS and corresponding power module wind is obtained according to the corresponding relationship
Duty ratio PWM_PSU is fanned, and combines the fan duty ratio PWM of the intrinsic fan regulation and controlling strategy of power module, with PWM and PWM_PSU
The common duty ratio for adjusting power module fan.
2. a kind of server power block fan rotational frequency control method according to claim 1, characterized in that the foundation
The detailed process of the corresponding relationship of power module rotation speed of the fan PWM_PSU and server system rotation speed of the fan PWM_SYS are as follows:
The value of fixed server system fan duty ratio PWM_SYS is set；
Power module fan duty ratio PWM_PSU is adjusted, when power module air outlet wind speed reaches cooling requirements, record is current
The value of PWM_PSU；
The value for changing PWM_SYS obtains the value of corresponding PWM_PSU according to above-mentioned steps, forms PWM_PSU's and PWM_SYS
Corresponding relationship.
3. a kind of server power block fan rotational frequency control method according to claim 2, characterized in that in power supply mould
Anemobiagraph is set at block air outlet, measures the wind speed of air outlet, when the wind speed reaches wind speed needed for power module, power supply mould
Block reaches the cooling requirements.
4. a kind of server power block fan rotational frequency control method according to claim 2, characterized in that the method
Further include:
The corresponding relationship is written in BMC firmware.
5. a kind of server power block fan rotational frequency control method according to claim 4, characterized in that it is described with
PWM and PWM_PSU adjusts the duty ratio of power module fan jointly specifically:
Compare the size of PWM and PWM_PSU, the duty ratio of power module fan is adjusted with the high value in the two.
6. a kind of server power block fan rotation speed control apparatus, characterized in that described device includes:
Data processing module establishes power module fan duty ratio PWM_PSU and service when power module meets cooling requirements
The corresponding relationship of device system fan duty ratio PWM_SYS；
Memory module, for storing the corresponding relationship；
Control module, for obtaining corresponding according to current server system fan duty ratio PWM_SYS and the corresponding relationship
Power module fan duty ratio PWM_PSU, and the fan duty ratio PWM of the intrinsic fan regulation and controlling strategy of power module is combined, with PWM
The duty ratio of power module fan is adjusted with the high value in both PWM_PSU.
7. a kind of server power block fan rotation speed control apparatus according to claim 6, characterized in that the data
Processing module includes:
First processing units, for the value of fixed server system fan duty ratio PWM_SYS to be arranged；
Second processing module adjusts power module fan duty ratio PWM_PSU, wants when power module air outlet wind speed reaches heat dissipation
When asking, the value of current PWM_PSU is recorded；
Third processing module, for establishing the corresponding relationship of PWM_PSU and PWM_SYS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811598019.5A CN109739323A (en) | 2018-12-26 | 2018-12-26 | A kind of server power block fan rotational frequency control method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811598019.5A CN109739323A (en) | 2018-12-26 | 2018-12-26 | A kind of server power block fan rotational frequency control method and device |
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| CN109739323A true CN109739323A (en) | 2019-05-10 |
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| CN201811598019.5A Pending CN109739323A (en) | 2018-12-26 | 2018-12-26 | A kind of server power block fan rotational frequency control method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324691A (en) * | 2020-07-10 | 2021-02-05 | 北京京东尚科信息技术有限公司 | Control method and device for airflow driving device, power supply device and electronic equipment |
| CN112799916A (en) * | 2021-02-02 | 2021-05-14 | 神威超算(北京)科技有限公司 | Server fan monitoring method, device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955534A (en) * | 2011-08-22 | 2013-03-06 | 鸿富锦精密工业（深圳）有限公司 | Fan control system and fan control method |
| TW201317466A (en) * | 2011-10-21 | 2013-05-01 | Hon Hai Prec Ind Co Ltd | System for controlling speed of power fan |
| CN106484059A (en) * | 2016-10-21 | 2017-03-08 | 郑州云海信息技术有限公司 | A kind of server radiating regulation and control method, apparatus and system |
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2018
- 2018-12-26 CN CN201811598019.5A patent/CN109739323A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955534A (en) * | 2011-08-22 | 2013-03-06 | 鸿富锦精密工业（深圳）有限公司 | Fan control system and fan control method |
| TW201317466A (en) * | 2011-10-21 | 2013-05-01 | Hon Hai Prec Ind Co Ltd | System for controlling speed of power fan |
| CN106484059A (en) * | 2016-10-21 | 2017-03-08 | 郑州云海信息技术有限公司 | A kind of server radiating regulation and control method, apparatus and system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324691A (en) * | 2020-07-10 | 2021-02-05 | 北京京东尚科信息技术有限公司 | Control method and device for airflow driving device, power supply device and electronic equipment |
| CN112799916A (en) * | 2021-02-02 | 2021-05-14 | 神威超算(北京)科技有限公司 | Server fan monitoring method, device and system |
| CN112799916B (en) * | 2021-02-02 | 2024-03-29 | 中诚华隆计算机技术有限公司 | Monitoring method, device and system for server fan |
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Application publication date: 20190510 |
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