CN105221467B - Rotation speed of the fan adjusts system and method - Google Patents
Rotation speed of the fan adjusts system and method Download PDFInfo
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- CN105221467B CN105221467B CN201510790460.3A CN201510790460A CN105221467B CN 105221467 B CN105221467 B CN 105221467B CN 201510790460 A CN201510790460 A CN 201510790460A CN 105221467 B CN105221467 B CN 105221467B
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Abstract
The present invention provides a kind of rotation speed of the fan adjustment system and method, and the system includes：Sampling module, is sampled when temperature-sensitive sticker is normal to CPU usage, temperature value and rotation speed of the fan value；Creation module, utilization rate function, temperature funtion and speed functions are built according to the utilization rate of sampling, temperature value and tachometer value；The first function that creation module is set up between temperature value and tachometer value always according to temperature funtion and speed functions；The second function that creation module is set up between utilization rate and temperature value always according to utilization rate function and temperature funtion；Creation module builds the 3rd function between utilization rate and tachometer value always according to first function and second function；Acquisition module, obtains CPU usage in real time；Computing module, corresponding rotation speed of the fan value is calculated according to the utilization rate obtained in real time and the 3rd function；And adjusting module, current rotation speed of the fan value is adjusted to calculate to obtained tachometer value.The present invention remains to normally adjust rotation speed of the fan in the case where temperature-sensitive sticker is damaged.
Description
Technical field
System and method is adjusted the present invention relates to a kind of rotation speed of the fan.
Background technology
The application of server is more and more extensive now, the rule of server in IDC (Internet Data Center) computer room
Mould is increasing, and so numerous servers can operationally produce amount of heat so that environment temperature increases, so as to have influence on
The normal work of server, wherein, CPU is the main source for producing heat.In order to be radiated to CPU, generally set in the server
Temperature-sensitive sticker and radiator fan are put, temperature-sensitive sticker is detected to CPU temperature, and fan is detected according to temperature-sensitive sticker
Its rotating speed is adjusted temperature.But some temperature-sensitive stickers are it is possible that situation about damaging, now fan can not be normal
Rotational speed regulation is carried out, so as to cause the too high normal work for having influence on server of cpu temperature.
The content of the invention
In view of this, it is necessary to provide a kind of rotation speed of the fan adjustment system and method, it is intended to solve above-mentioned technical problem.
The present invention provides a kind of rotation speed of the fan adjustment system, and the system operation is set in a server in the server
There are temperature-sensitive sticker and fan, the fan is used to give server CPU radiatings, and the temperature-sensitive sticker is used for the temperature for detecting CPU, should
System includes：
Sampling module, for when temperature-sensitive sticker normal work, to CPU usage, temperature in a preset time period
The cpu temperature value and rotation speed of the fan value of sensor detecting are sampled；
Creation module, temperature is built for building CPU usage function C, cpu temperature value according to the CPU usage of sampling
Function H and rotation speed of the fan value build rotation speed of the fan function F；
The creation module is additionally operable to, according to temperature funtion during temperature-sensitive sticker normal work and rotation speed of the fan function, set up
First function Φ between cpu temperature value and rotation speed of the fan value, wherein, F=Φ H；
The creation module is additionally operable to according to CPU usage function during temperature-sensitive sticker normal work and cpu temperature value letter
Number, the second function Ξ set up between CPU usage and temperature value, wherein, H=Ξ C；
The creation module is additionally operable to according to first function Φ and second function Ξ, build CPU usage and rotation speed of the fan value it
Between the 3rd function be F=Φ Ξ C, wherein, C is CPU usage, and F is CPU corresponding rotation speed of the fan values under the utilization rate；
Acquisition module, the utilization rate for obtaining CPU in real time；
Computing module, for calculating corresponding rotation speed of the fan value according to the CPU usage and the 3rd function that obtain in real time；And
Adjusting module, for being adjusted to calculate obtained rotation speed of the fan value by current rotation speed of the fan value.
The present invention also provides a kind of rotation speed of the fan method of adjustment, and this method is applied in a server, set in the server
Temperature-sensitive sticker and fan are equipped with, the fan is used to give server CPU radiatings, and the temperature-sensitive sticker is used for the temperature for detecting CPU,
This method comprises the following steps：
When temperature-sensitive sticker normal work, CPU usage, temperature-sensitive sticker are detected in a preset time period
Cpu temperature value and rotation speed of the fan value are sampled；
CPU usage function C, cpu temperature value are built according to the CPU usage of sampling and build temperature funtion H and fan turn
Speed value builds rotation speed of the fan function F；
According to temperature funtion during temperature-sensitive sticker normal work and rotation speed of the fan function, cpu temperature value and fan are set up
First function Φ between tachometer value, wherein, F=Φ H；
According to CPU usage function during temperature-sensitive sticker normal work and cpu temperature value function, CPU usage is set up
Second function Ξ between temperature value, wherein, H=Ξ C；
According to first function Φ and second function Ξ, it is F to build the 3rd function between CPU usage and rotation speed of the fan value
=Φ Ξ C, wherein, C is CPU usage, and F is CPU corresponding rotation speed of the fan values under the utilization rate；
CPU utilization rate is obtained in real time；
Corresponding rotation speed of the fan value is calculated according to the CPU usage obtained in real time and the 3rd function；And
Current rotation speed of the fan value is adjusted to calculate to obtained rotation speed of the fan value.
Compared to prior art, the rotation speed of the fan adjustment system and method that the present invention is provided by build CPU usage with
Relation function between rotation speed of the fan value so that the fan in server can be not necessarily based on temperature and be based on directly on CPU's
Utilization rate adjusts its rotating speed, even if so that in the case that temperature-sensitive sticker in the server is damaged, fan still can be just
Often carry out adjustment of rotational speed.
Brief description of the drawings
Fig. 1 is the application structure figure that rotation speed of the fan of the present invention adjusts system preferred embodiment；
Fig. 2 is the flow chart of rotation speed of the fan method of adjustment preferred embodiment of the present invention.
Main element symbol description
| Server | 1 |
| Processing unit | 10 |
| Temperature-sensitive sticker | 11 |
| Fan | 12 |
| Rotation speed of the fan adjusts system | 100 |
| Sampling module | 101 |
| Creation module | 102 |
| Acquisition module | 103 |
| Computing module | 104 |
| Adjusting module | 105 |
Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Embodiment
Fig. 1 is refer to, is the application structure figure that rotation speed of the fan of the present invention adjusts system 100.The rotation speed of the fan adjusts system
100 run in a server 1.The server 1 includes CPU (Central Processing Unit, central processing unit) 10,
Temperature-sensitive sticker 11 and fan 12 are additionally provided with the server 1.The fan 12 is used to give CPU10 radiatings.The temperature-sensitive sticker
11 temperature for detecting CPU10.
Rotation speed of the fan adjustment system 100 includes several modules, and several modules is can be held by the CPU10
Row and the sequence of program instructions section that predetermined function can be completed.Several modules include sampling module 101, creation module
102nd, acquisition module 103, computing module 104 and adjusting module 105.Several modules are stored in the server 1.
The sampling module 101 is used for when 11 normal work of temperature-sensitive sticker, and CPU is used in a preset time period
The cpu temperature value and rotation speed of the fan value that rate, temperature-sensitive sticker 11 are detected are sampled.Specifically, the sampling module 101 is pre- one
If the cpu temperature value and fan detected in the period (such as 1 hour) to CPU usage, the temperature-sensitive sticker 11 of server 1 turn
Fast value is timed sampling.In the present embodiment, the sampling module carries out primary sample in 101 every 1 seconds to three parameters respectively.
The creation module 102 is used to build CPU usage function C, cpu temperature value structure according to the CPU usage of sampling
Temperature funtion H and rotation speed of the fan value build rotation speed of the fan function F.Specifically, the CPU usage function of the structure is：
Wherein,For CPU usage difference, c is the CPU usage of sampling, c0To give tacit consent to CPU usage,Used for CPU
Rate rate of change difference,For the CPU usage rate of change in preset time period,For acquiescence CPU usage rate of change.In this reality
Apply in example, the creation module 102 can create the CPU usage time history plot of sampling, by calculating each time
The slope of adjacent samples half interval contour determines the CPU usage rate of change in preset time periodThe cpu temperature function H of the structure
For：
Wherein,For cpu temperature difference, h is the cpu temperature value of sampling, h0To give tacit consent to cpu temperature value,Become for cpu temperature
Rate difference,For the cpu temperature value changes rate in preset time period,For acquiescence cpu temperature rate of change.In the present embodiment,
The creation module 102 can create the cpu temperature time history plot of sampling, by between calculating each time adjacent samples
Slope of a curve determines the cpu temperature value changes rate in preset time periodThe rotation speed of the fan function F of the structure is：
Wherein,For rotation speed of the fan difference, f is the rotation speed of the fan value of sampling, f0To give tacit consent to rotation speed of the fan value,For fan
Relative speed variation difference,For the rotation speed of the fan rate of change in preset time period,For acquiescence rotation speed of the fan rate of change.In this reality
Apply in example, the creation module 102 can create the rotation speed of the fan value time history plot of sampling, by calculating each time
The slope of adjacent samples half interval contour determines the rotation speed of the fan rate of change in preset time period
The creation module 102 is additionally operable to according to temperature funtion during 11 normal work of temperature-sensitive sticker and rotation speed of the fan letter
Number, the first function Φ set up between cpu temperature value and rotation speed of the fan value, wherein,
F '=Φ H ' (4)
In the present embodiment, first function Φ is one 2 × 2 matrixes, according to rotation speed of the fan value function F, cpu temperature function
H, constructed fuction relational expression：
Known HH-T=1, wherein, H-TIt is the inverse matrix of H transposed matrix, then formula (4) can be converted to：
FH-T=Φ HH-T=Φ (6)
It can be obtained with reference to formula (5) and formula (6)：
The creation module 102 is additionally operable to according to the CPU usage function and cpu temperature during 11 normal work of temperature-sensitive sticker
Value function, the second function Ξ set up between CPU usage and temperature value, wherein,
H '=Ξ C ' (8)
In the present embodiment, second function Ξ is one 2 × 2 matrixes, according to cpu temperature function H, CPU usage function C,
Constructed fuction relational expression：
Known CC-T=1, wherein, C-TIt is the inverse matrix of C transposed matrix, then formula (8) can be transformed to：
HC-T=Ξ CC-T=Ξ (10)
It can be obtained with reference to formula (9) and formula (10)：
The creation module 102 is additionally operable to, according to first function Φ and second function Ξ, build CPU usage and rotation speed of the fan
The 3rd function between value is：
F '=Φ Ξ C ' (12)
Wherein, C ' is CPU usage, and F ' is CPU10 corresponding rotation speed of the fan values under the utilization rate.
The acquisition module 103 is used for the utilization rate for obtaining CPU10 in real time.
The computing module 104 is used to calculate corresponding rotation speed of the fan according to the CPU usage and the 3rd function that obtain in real time
Value.Specifically, with reference to above-mentioned formula (1), formula (2), formula (3), formula (7), formula (11) and formula (12), Ke Yigen
Corresponding rotation speed of the fan value under the utilization rate is obtained according to the CPU usage of acquisition.
The adjusting module 105 is used to be adjusted to calculate by current rotation speed of the fan value obtained rotation speed of the fan value.
Fig. 2 is refer to, is the flow chart of rotation speed of the fan method of adjustment of the present invention.
Step S101, when 11 normal work of temperature-sensitive sticker, to CPU usage, temperature sense in a preset time period
The cpu temperature value and rotation speed of the fan value for surveying device detecting are sampled.
Step S102, builds CPU usage function C, cpu temperature value according to the CPU usage of sampling and builds temperature funtion H
And rotation speed of the fan value builds rotation speed of the fan function F.
Step S103, according to temperature funtion during 11 normal work of temperature-sensitive sticker and rotation speed of the fan function, sets up CPU temperature
First function Φ between angle value and rotation speed of the fan value, wherein, F '=Φ H '.
Step S104, according to CPU usage function during 11 normal work of temperature-sensitive sticker and cpu temperature value function, builds
Vertical second function Ξ between CPU usage and temperature value, wherein, H '=Ξ C '.
Step S105, according to first function Φ and second function Ξ, builds the between CPU usage and rotation speed of the fan value
Three functions are F '=Φ Ξ C ', wherein, C ' is CPU usage, and F ' is CPU10 corresponding rotation speed of the fan values under the utilization rate.
Step S106, obtains CPU10 utilization rate in real time.
Step S107, corresponding rotation speed of the fan value is calculated according to the CPU usage obtained in real time and the 3rd function.
Step S108, current rotation speed of the fan value is adjusted to calculate obtained rotation speed of the fan value.
Claims (2)
1. a kind of rotation speed of the fan adjusts system, the system operation is provided with temperature-sensitive sticker in a server in the server
And fan, the fan is for giving server CPU radiatings, and the temperature-sensitive sticker is used for the temperature for detecting CPU, it is characterised in that should
System includes：
Sampling module, for when temperature-sensitive sticker normal work, to CPU usage, temperature sensing in a preset time period
The cpu temperature value and rotation speed of the fan value of device detecting are sampled；
Creation module, temperature funtion H is built for building CPU usage function C, cpu temperature value according to the CPU usage of sampling
And rotation speed of the fan value builds rotation speed of the fan function F, and it is respectively：
Wherein,For CPU usage difference, c is the CPU usage of sampling, c0To give tacit consent to CPU usage,Become for CPU usage
Rate difference,For the CPU usage rate of change in preset time period,To give tacit consent to CPU usage rate of change,For cpu temperature
Difference, h is the cpu temperature value of sampling, h0To give tacit consent to cpu temperature value,For cpu temperature rate of change difference,For preset time period
Interior cpu temperature value changes rate,To give tacit consent to cpu temperature rate of change,For rotation speed of the fan difference, f is the rotation speed of the fan of sampling
Value, f0To give tacit consent to rotation speed of the fan value,For rotation speed of the fan rate of change difference,For the rotation speed of the fan rate of change in preset time period,For acquiescence rotation speed of the fan rate of change；
The creation module is additionally operable to, according to temperature funtion during temperature-sensitive sticker normal work and rotation speed of the fan function, set up CPU
First function Φ between temperature value and rotation speed of the fan value, wherein, F '=Φ H ',
The creation module is additionally operable to, according to CPU usage function during temperature-sensitive sticker normal work and cpu temperature value function, build
Vertical second function Ξ between CPU usage and temperature value, wherein, H '=Ξ C ',
The creation module is additionally operable to, according to first function Φ and second function Ξ, build between CPU usage and rotation speed of the fan value
3rd function is F '=Φ Ξ C ', wherein, C ' is CPU usage, and F ' is CPU corresponding rotation speed of the fan values under the utilization rate；
Acquisition module, the utilization rate for obtaining CPU in real time；
Computing module, for calculating corresponding rotation speed of the fan value according to the CPU usage and the 3rd function that obtain in real time；And
Adjusting module, for being adjusted to calculate obtained rotation speed of the fan value by current rotation speed of the fan value.
2. a kind of rotation speed of the fan method of adjustment, this method is applied in a server, temperature-sensitive sticker is provided with the server
And fan, the fan is for giving server CPU radiatings, and the temperature-sensitive sticker is used for the temperature for detecting CPU, it is characterised in that should
Method comprises the following steps：
When temperature-sensitive sticker normal work, to CPU usage, the CPU temperature of temperature-sensitive sticker detecting in a preset time period
Angle value and rotation speed of the fan value are sampled；
CPU usage function C, cpu temperature value are built according to the CPU usage of sampling and build temperature funtion H and rotation speed of the fan value
Rotation speed of the fan function F is built, and is respectively：
Wherein,For CPU usage difference, c is the CPU usage of sampling, c0To give tacit consent to CPU usage,Become for CPU usage
Rate difference,For the CPU usage rate of change in preset time period,To give tacit consent to CPU usage rate of change,For cpu temperature
Difference, h is the cpu temperature value of sampling, h0To give tacit consent to cpu temperature value,For cpu temperature rate of change difference,For preset time period
Interior cpu temperature value changes rate,To give tacit consent to cpu temperature rate of change,For rotation speed of the fan difference, f is the rotation speed of the fan of sampling
Value, f0To give tacit consent to rotation speed of the fan value,For rotation speed of the fan rate of change difference,For the rotation speed of the fan rate of change in preset time period,For acquiescence rotation speed of the fan rate of change；
According to temperature funtion during temperature-sensitive sticker normal work and rotation speed of the fan function, cpu temperature value and rotation speed of the fan are set up
First function Φ between value, wherein, F '=Φ H ',
According to CPU usage function during temperature-sensitive sticker normal work and cpu temperature value function, CPU usage and temperature are set up
Second function Ξ between angle value, wherein, H '=Ξ C ',
According to first function Φ and second function Ξ, it is F '=Φ to build the 3rd function between CPU usage and rotation speed of the fan value
Ξ C ', wherein, C ' is CPU usage, and F ' is CPU corresponding rotation speed of the fan values under the utilization rate；
CPU utilization rate is obtained in real time；
Corresponding rotation speed of the fan value is calculated according to the CPU usage obtained in real time and the 3rd function；And by current rotation speed of the fan
Value is adjusted to calculate obtained rotation speed of the fan value.
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| CN106774739A (en) * | 2016-12-18 | 2017-05-31 | 滁州昭阳电信通讯设备科技有限公司 | The method and computer of a kind of cpu fan rotating speed control |
| CN106837838A (en) * | 2016-12-29 | 2017-06-13 | 郑州云海信息技术有限公司 | The control system and method for server fan rotating speed |
| CN109976478B (en) * | 2017-12-28 | 2020-12-29 | 浙江宇视科技有限公司 | Multi-CPU heat dissipation control system and heat dissipation control method |
| CN108984305B (en) * | 2018-07-13 | 2021-03-09 | 威创集团股份有限公司 | Task processing method, device and system |
| CN109445545A (en) * | 2018-09-13 | 2019-03-08 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | System fan control method, system and computer readable storage medium |
| CN109683687A (en) * | 2018-12-25 | 2019-04-26 | 浪潮电子信息产业股份有限公司 | A kind of server and its control method for lowering temp, device, equipment |
| CN112443507B (en) * | 2019-08-30 | 2022-06-28 | 宏碁股份有限公司 | Intelligent fan rotating speed adjusting method, computer device and server |
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| US6470289B1 (en) * | 1999-08-05 | 2002-10-22 | Compaq Information Technologies Group, L.P. | Independently controlling passive and active cooling in a computer system |
| CN1324421C (en) * | 2004-08-23 | 2007-07-04 | 联想(北京)有限公司 | Method and apparatus for central processor frequency conversion and central processor fan speed change |
| US20080112571A1 (en) * | 2006-11-09 | 2008-05-15 | Thomas Michael Bradicich | Noise control in proximity to a computer system |
| CN103032357B (en) * | 2011-10-02 | 2016-05-18 | 神讯电脑(昆山)有限公司 | Fan rotational frequency control method, control circuit and electronic installation |
| CN103793039A (en) * | 2012-10-31 | 2014-05-14 | 鸿富锦精密工业（深圳）有限公司 | Temperature control system and method for processor |
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Inventor after: Guo Hongbing Inventor after: Zhu Yuqin Inventor after: Guo Shu Inventor before: Yao Huangen |
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Effective date of registration: 20170908 Address after: 224043 Yancheng City province Jiangsu Dagang Town Park Road No. 1, machine equipment Applicant after: Jiangsu Yuanhua Light Chemical Equipment Co., Ltd. Address before: 312400 Zhejiang city of Shaoxing province Shengzhou city town Yao Village Applicant before: Yao Huangen |
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Effective date of registration: 20191206 Address after: 239300 Xin Xin road, Qin Lan economic development zone, Chuzhou City Tianzhang City of Anhui Province Patentee after: TIANCHANG WANKE ELECTRICAL APPLIANCE ACCESSORY FACTORY Address before: 224043 No. 1 Yuanwei Road, Shoe Machinery Equipment, Dagang Town, Yancheng City, Jiangsu Province Patentee before: Jiangsu Yuanhua Light Chemical equipment Co., Ltd. |
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