CN101005264A - Intelligent fan rotating speed control method - Google Patents
Intelligent fan rotating speed control method Download PDFInfo
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- CN101005264A CN101005264A CNA2006100059693A CN200610005969A CN101005264A CN 101005264 A CN101005264 A CN 101005264A CN A2006100059693 A CNA2006100059693 A CN A2006100059693A CN 200610005969 A CN200610005969 A CN 200610005969A CN 101005264 A CN101005264 A CN 101005264A
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- rotating speed
- fan
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Abstract
The method for controlling rotate speed of fan is suitable to computer device in order to implement heat elimination for an electric module in the computer device. The method includes following steps: measuring and generating data of load - temperature curve of the electric module in an operational load interval of the electric module; using the data of load - temperature curve generates data of rotation speed - temperature curve; and using the data of load - temperature curve of fan controls rotation speed of fan.
Description
Technical field
The present invention relates to a kind of fan rotational frequency control method, particularly a kind of intelligent fan rotating speed control method that is applicable to a computer installation.
Background technology
Generally speaking, the electronic building bricks such as central processing unit (CPU), motherboard and power supply unit that are arranged at computer installation inside are easy to generate high temperature in use, and wherein different electronic building bricks has different load-temperature curve usually.With three kinds of multi-form CPU shown in Fig. 1 is example, and above-mentioned three kinds of different CPU have C1, C2, three kinds of different load-temperature curves of C3 respectively according to its characteristic difference.
Too high and influence usefulness for fear of system temperature, know computer installation inside all to be provided with fan usually, use above-mentioned thermal source is implemented heat radiation.As Fig. 2,3,4, traditional fan only can be kept fixed rotating speed (as shown in Figure 2) mostly after activation, the fan (shown in Fig. 3,4) of taking the design of multisection type rotating speed is also arranged in addition, and the fan of above-mentioned multisection type rotating speed mainly is can be with the different rotating speeds of adjusting fan of temperature.Yet no matter be to take designs such as fixed rotating speed or multisection type rotating speed, rotating speed-temperature curve of knowing fan is preset parameter and can't adjusts arbitrarily.
Summary of the invention
The invention provides a kind of fan rotational frequency control method, be applicable to a computer installation, use the electronic building brick in the aforementioned calculation machine is implemented heat radiation, preceding method comprises the following steps: to measure and produce the load-temperature curve data of aforementioned electronic assembly in aforementioned electronic assembly one service load interval.According to the corresponding rotating speed-temperature curve data that produce aforementioned fan of load-temperature curve data.And, according to the rotating speed of the rotating speed-temperature curve Data Control fan of aforementioned fan.
In a better embodiment, preceding method more comprises the following steps: to judge the load-temperature curve data that whether has the aforementioned electronic assembly in aforementioned computer installation in an operating system of aforementioned computer installation.
In a better embodiment, preceding method more comprises the following steps: to store the rotating speed-temperature curve data of aforementioned fan.
In a better embodiment, the aforementioned electronic assembly is the central processing unit (CPU) in the computer installation.
In a better embodiment, the aforementioned electronic assembly is the integrated circuit (IC) in the computer installation.
In a better embodiment, the aforementioned electronic assembly is the motherboard in the computer installation.
In a better embodiment, the aforementioned electronic assembly is the power supply unit in the computer installation.
In a better embodiment, aforementioned computer installation comprises a plurality of fans and a plurality of electronic building brick, and aforementioned fan corresponds respectively to the aforementioned electronic assembly.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, detailed execution mode cited below particularly also cooperates appended graphic elaborating.
Description of drawings
Fig. 1 is the load-temperature curve schematic diagram of three kinds of different CPU of expression;
Fig. 2 is rotating speed-temperature curve schematic diagram that the fixed rotating speed fan is known in expression;
Fig. 3, the 4th, the rotating speed-temperature curve schematic diagram of multisection type rotating speed fan is known in expression;
Fig. 5 is an expression intelligent fan rotating speed control method schematic diagram of the present invention;
Fig. 6 is according to the load that step 140 produced among Fig. 5-temperature curve schematic diagram;
Fig. 7 be according to load-temperature curve among Fig. 6 the corresponding rotation speed of the fan-temperature curve schematic diagram that produces;
Fig. 8 is temperature-load curve schematic diagram that expression has the specific electronic components of a temperature-control circuit;
Fig. 9 be according to load-temperature curve among Fig. 8 the corresponding rotation speed of the fan-temperature curve schematic diagram that produces; And
Figure 10 is the schematic diagram of another execution mode among expression the present invention.
Embodiment
At first see also Fig. 5, the figure shows intelligent fan rotating speed control method schematic diagram of the present invention.Above-mentioned intelligent fan rotating speed control method is applicable to a computer installation, use the specific electronic components in the computer installation is implemented heat radiation, the aforementioned electronic assembly for example is that central processing unit (CPU), integrated circuit (IC), motherboard or power supply unit etc. are arranged on the thermal source in the computer installation.
Shown in the step 110 among Fig. 5, after opening, computer installation at first enters a basic input/output (Basic Input Output System, BIOS), the user can select whether to activate intelligent fan rotating speed control model in BIOS, if select "No" then directly to enter operating system and do not control rotation speed of the fan (as step 120 ' shown in).Otherwise, when the user selects to activate intelligent fan rotating speed control model in BIOS, just then enter operating system (shown in step 120); After entering operating system, next then judge whether to have load-temperature curve data (shown in step 130) corresponding to a certain specific electronic components (for example CPU), above-mentioned load-the temperature curve data as shown in Figure 6, wherein L maximum, L minimum are represented maximum and minimum load in the service load interval of aforementioned electronic assembly respectively, and T maximum, T minimum are illustrated in the highest and minimum temperature that is measured in this service load interval.
In step 130, if when finding to have existed the load of a certain specific electronic components-temperature curve data, then directly carry out the program of step 160, also promptly produce the rotation speed of the fan-temperature curve data (as shown in Figure 7) of a correspondence according to aforementioned load-temperature curve data (as shown in Figure 6).In the present embodiment, roughly corresponding to load-temperature curve of Fig. 6, wherein the R maximum of Fig. 7, R minimum are then represented the maximum and the minimum speed of fan respectively to the slope variation of aforementioned rotation speed of the fan-temperature curve.After finishing step 160, system can store aforementioned rotation speed of the fan-temperature curve data (shown in step 170) immediately, and control the rotating speed (shown in step 180) of fan according to aforementioned rotation speed of the fan-temperature curve data, rotation speed of the fan can be varied with temperature and in time adjust.
Yet,, measure in the service load interval at the aforementioned electronic assembly, and produce one load-temperature curve data (shown in step 140) if when in step 130, finding the load both deposited-temperature curve data.Aforementioned load-the temperature curve data as shown in Figure 6, wherein L maximum, L minimum are represented maximum and minimum load in the service load interval of aforementioned electronic assembly respectively, and T maximum, T minimum then are illustrated in the highest and minimum temperature that is measured in this service load interval.
After finishing step 140, system can select the fan address (shown in step 150) corresponding to the aforementioned electronic assembly, next then produces corresponding rotation speed of the fan-temperature curve (shown in step 160) according to aforementioned load-temperature curve data.Rotation speed of the fan in the present embodiment-temperature curve data as shown in Figure 7, its slope variation is roughly corresponding to the load-temperature curve among Fig. 6.Yet the also visual actual needs of user is suitably adjusted the curve among Fig. 7, uses the rotating speed that flexibly changes fan.Similarly, after finishing step 160, system can store aforementioned rotation speed of the fan-temperature curve data (shown in step 170) immediately, and control the rotating speed (shown in step 180) of fan according to aforementioned rotation speed of the fan-temperature curve data, rotation speed of the fan can be varied with temperature and in time adjust.
Then see also Fig. 8, this figure is that expression one has temperature-control circuit (TemperatureControl Circuit, the load of specific electronic components TCC)-temperature curve schematic diagram, above-mentioned specific electronic components for example is the central processing unit (CPU) of a computer installation inside, and wherein aforementioned temperature-load curve data can be utilized method shown in Figure 10 to measure in the interval L maximum of a service load of specific electronic components-L minimum and produce.In particular, when the electronic building brick temperature of this type arrives a greatest limit temperature T 1, the aforementioned temperature control circuit can downgrade the operating frequency of electronic building brick automatically, and then in time reduces the load and the temperature (shown in arrow A direction among Fig. 8) of specific electronic components.Automatically downgrade operating frequency to reach the function of cooling though this type of electronic building brick with temperature-control circuit has, reduced the treatment efficiency of electronic building brick also simultaneously.
In view of this, reduce and influence treatment efficiency for fear of the operating frequency of aforementioned electronic assembly, be mainly the specific electronic components that has temperature-control circuit at aforementioned in the present embodiment, produce one rotation speed of the fan-temperature curve data (as shown in Figure 9) accordingly according to its load-temperature curve data (as shown in Figure 8).Then see also Figure 10, wherein the difference of Figure 10 and Fig. 5 is that abovementioned steps 160 comprises step 1601 and step 1602.In the present embodiment, step 1601 mainly is to set a critical temperature T2 (as shown in Figure 9) according to the greatest limit temperature T 1 of aforementioned specific electronic components, and wherein critical temperature T2 is less than aforementioned greatest limit temperature T 1.In particular, rotation speed of the fan-temperature curve of Fig. 9 can be divided into one first section S1 and one second section S2 by setting critical temperature T2; Then then be to be the boundary in step 1602, produce the curve data of the aforementioned first section S1 and the second section S2 respectively with critical temperature T2.As shown in the figure, the temperature range that the aforementioned first section S1 is contained for by minimum temperature Tmin to critical temperature T2, the temperature range that the second section S2 is contained then for by critical temperature T2 to greatest limit temperature T 1.
In the present embodiment, the rotation speed of the fan of the aforementioned first section S1-temperature curve slope variation is roughly corresponding to temperature-load curve shown in Figure 8.In particular, arrive that temperature-control circuit is triggered in greatest limit temperature T 1 back and the operating frequency that reduces aforementioned specific electronic components for fear of the temperature of aforementioned specific electronic components, therefore the rotation speed of the fan in the aforementioned second section S2 promptly is pulled up to maximum (top) speed R maximum to reach the purpose of fast cooling, and wherein the greatest gradient of the second section S2 is greater than the greatest gradient of the first section S1.Perhaps, in a better embodiment, when aforementioned specific electronic components arrives critical temperature T2, its corresponding rotation speed of the fan is directly jumped to maximum (top) speed R maximum (shown in the second section S2 ' among Fig. 9), can quicken to make specific electronic components cooling avoiding its temperature to rise to greatest limit temperature T 1 thus, and then can prevent aforementioned specific electronic components to influence its effective utilization because of downgrading operating frequency automatically.Yet the still visual various operating position of user is flexibly adjusted rotation speed of the fan-temperature curve of first, second section S1, S2.
Be different from the fan control design of conventional fixed rotating speed and multisection type rotating speed, intelligent fan rotating speed control method of the present invention can individually produce specific load-temperature curve at different electronic building bricks, and produces corresponding rotation speed of the fan-temperature curve respectively according to above-mentioned load-temperature curve.Because rotation speed of the fan of the present invention can in time be adjusted along with the load and the variations in temperature of electronic building brick, the radiating efficiency that therefore can significantly promote fan can be saved electric energy simultaneously.
The present invention also can set up different load-temperature curves and corresponding rotation speed of the fan-temperature curve respectively at a plurality of electronic building bricks in computer installation inside, and wherein above-mentioned electronic building brick for example is thermals source such as central processing unit (CPU), integrated circuit (IC), motherboard and power supply unit.Thus, the present invention can be by individually controlling the pairing rotation speed of the fan of each electronic building brick, and then reach and promote radiating efficiency simultaneously and the effect of saving electric energy.
Though the present invention describes in conjunction with its concrete execution mode, other variation and revise and other use is conspicuous for those skilled in the art that.Therefore the scope that will protect of the present invention is not subjected to the restriction of above-mentioned explanation, and only is subjected to the restriction of claim of the present invention.
Claims (15)
1. an intelligent fan rotating speed control method is applicable to a computer installation, it is characterized in that, wherein this computer installation has at least one fan and at least one electronic building brick, and this fan is in order to implement heat radiation to this electronic building brick, and this method comprises the following steps:
In this electronic building brick one service load interval, measure and produce the load-temperature curve data of this electronic building brick;
According to the corresponding generation-rotation speed of the fan of this load-temperature curve data-temperature curve data; And
Rotating speed according to this rotation speed of the fan-this fan of temperature curve Data Control.
2. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that wherein this method more comprises the following steps:
In an operating system of this computer installation, judge whether to have the load-temperature curve data of this electronic building brick.
3. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that wherein this method more comprises the following steps:
Selection is corresponding to this fan address of this specific electronic components.
4. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that wherein this method more comprises the following steps:
Store this rotation speed of the fan-temperature curve data.
5. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that wherein whether this method activates for determining in a basic input/output of this computer installation.
6. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that, wherein this computer installation has a plurality of fans and a plurality of electronic building brick, and this each fan corresponds respectively to this each electronic building brick.
7. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that, wherein this electronic building brick is an integrated circuit (IC).
8. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that, wherein this electronic building brick is a motherboard.
9. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that, wherein this electronic building brick is a power supply unit.
10. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that, wherein this electronic building brick is a central processing unit (CPU).
11. intelligent fan rotating speed control method as claimed in claim 1 is characterized in that, wherein the step of this rotation speed of the fan of this generation-temperature curve data more comprises the following step:
Greatest limit temperature according to this electronic building brick is set a critical temperature, and wherein this critical temperature is less than this greatest limit temperature.
12. intelligent fan rotating speed control method as claimed in claim 11 is characterized in that, more comprises the following step:
With this critical temperature is the boundary, this rotation speed of the fan-temperature curve is divided into one first section and one second section, wherein the slope variation of this first section is roughly corresponding to the load-temperature curve of this electronic building brick, and the greatest gradient in this second section is greater than the greatest gradient in this first section.
13. intelligent fan rotating speed control method as claimed in claim 11, it is characterized in that, wherein this electronic building brick has a temperature-control circuit, and when this electronic building brick arrived this greatest limit temperature, this temperature-control circuit promptly downgraded an operating frequency of this processor.
14. intelligent fan rotating speed control method as claimed in claim 11 is characterized in that, wherein when this electronic building brick arrived this critical temperature, the rotating speed of this fan jumped immediately to a maximum (top) speed.
15. intelligent fan rotating speed control method as claimed in claim 12 is characterized in that, wherein the rotating speed of this fan rises to a maximum (top) speed in this second section.
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| CNA2006100059693A CN101005264A (en) | 2006-01-20 | 2006-01-20 | Intelligent fan rotating speed control method |
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| CNA2006100059693A CN101005264A (en) | 2006-01-20 | 2006-01-20 | Intelligent fan rotating speed control method |
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| CN101005264A true CN101005264A (en) | 2007-07-25 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102314207A (en) * | 2011-09-29 | 2012-01-11 | 浪潮电子信息产业股份有限公司 | Method for server to automatic adjusting, saving energy, reducing noise and radiating |
| CN102375509A (en) * | 2010-08-17 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Fan rotating speed control system and method |
| CN102374183A (en) * | 2010-08-17 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Control system for rotate speed of fan |
| CN101399517B (en) * | 2007-09-28 | 2012-07-18 | 升达科技有限公司 | Linear type fan rotation speed characteristic design circuit |
| CN103074914A (en) * | 2013-01-18 | 2013-05-01 | 中联重科股份有限公司渭南分公司 | Engineering machine heat dissipation control system, control method and excavator |
| CN103841290A (en) * | 2012-11-26 | 2014-06-04 | 佳能株式会社 | Electronic apparatus capable of controlling flow rate of air from cooling fan, method of controlling the same |
| CN104214121A (en) * | 2013-05-31 | 2014-12-17 | 鸿富锦精密工业（深圳）有限公司 | Fan revolution control system and method |
| CN104252404A (en) * | 2013-06-26 | 2014-12-31 | 鸿富锦精密工业（深圳）有限公司 | Server and manufacturing method of fan meter thereof |
| CN104850195A (en) * | 2014-02-18 | 2015-08-19 | 纬创资通股份有限公司 | Heat dissipation system |
| CN106227312A (en) * | 2016-07-28 | 2016-12-14 | 张升泽 | The how interval ventilation control method of electronic chip and system |
| CN106253230A (en) * | 2016-09-12 | 2016-12-21 | 广东威灵电机制造有限公司 | The temperature-controlled process of brushless direct current motor driver and device |
| CN106292950A (en) * | 2016-07-28 | 2017-01-04 | 张升泽 | Many interval temperature values are in the application process of multi core chip and system |
| CN109683686A (en) * | 2017-10-18 | 2019-04-26 | 广达电脑股份有限公司 | Electronic device and heat dissipating method |
| CN110345097A (en) * | 2019-06-14 | 2019-10-18 | 南京晶达微电子科技有限公司 | A kind of control method for fan, device, equipment and computer storage medium |
| CN111405824A (en) * | 2020-03-31 | 2020-07-10 | 深圳市英威腾电源有限公司 | UPS heat dissipation method and device and UPS heat dissipation system |
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2006
- 2006-01-20 CN CNA2006100059693A patent/CN101005264A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399517B (en) * | 2007-09-28 | 2012-07-18 | 升达科技有限公司 | Linear type fan rotation speed characteristic design circuit |
| CN102375509A (en) * | 2010-08-17 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Fan rotating speed control system and method |
| CN102374183A (en) * | 2010-08-17 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Control system for rotate speed of fan |
| CN102314207A (en) * | 2011-09-29 | 2012-01-11 | 浪潮电子信息产业股份有限公司 | Method for server to automatic adjusting, saving energy, reducing noise and radiating |
| CN103841290A (en) * | 2012-11-26 | 2014-06-04 | 佳能株式会社 | Electronic apparatus capable of controlling flow rate of air from cooling fan, method of controlling the same |
| CN103074914B (en) * | 2013-01-18 | 2015-12-09 | 中联重科股份有限公司渭南分公司 | Engineering machinery cooling control system, control method and excavator |
| CN103074914A (en) * | 2013-01-18 | 2013-05-01 | 中联重科股份有限公司渭南分公司 | Engineering machine heat dissipation control system, control method and excavator |
| CN104214121A (en) * | 2013-05-31 | 2014-12-17 | 鸿富锦精密工业（深圳）有限公司 | Fan revolution control system and method |
| CN104252404A (en) * | 2013-06-26 | 2014-12-31 | 鸿富锦精密工业（深圳）有限公司 | Server and manufacturing method of fan meter thereof |
| CN104850195A (en) * | 2014-02-18 | 2015-08-19 | 纬创资通股份有限公司 | Heat dissipation system |
| CN106227312A (en) * | 2016-07-28 | 2016-12-14 | 张升泽 | The how interval ventilation control method of electronic chip and system |
| CN106292950A (en) * | 2016-07-28 | 2017-01-04 | 张升泽 | Many interval temperature values are in the application process of multi core chip and system |
| CN106253230A (en) * | 2016-09-12 | 2016-12-21 | 广东威灵电机制造有限公司 | The temperature-controlled process of brushless direct current motor driver and device |
| CN106253230B (en) * | 2016-09-12 | 2019-03-15 | 广东威灵电机制造有限公司 | The temprature control method and device of brushless direct current motor driver |
| CN109683686A (en) * | 2017-10-18 | 2019-04-26 | 广达电脑股份有限公司 | Electronic device and heat dissipating method |
| CN110345097A (en) * | 2019-06-14 | 2019-10-18 | 南京晶达微电子科技有限公司 | A kind of control method for fan, device, equipment and computer storage medium |
| CN111405824A (en) * | 2020-03-31 | 2020-07-10 | 深圳市英威腾电源有限公司 | UPS heat dissipation method and device and UPS heat dissipation system |
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