CN103225620B - Fan controlling method and electronic device - Google Patents
Fan controlling method and electronic device Download PDFInfo
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- CN103225620B CN103225620B CN201210552900.8A CN201210552900A CN103225620B CN 103225620 B CN103225620 B CN 103225620B CN 201210552900 A CN201210552900 A CN 201210552900A CN 103225620 B CN103225620 B CN 103225620B
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Abstract
A fan controlling method and an electronic device are provided. The fan controlling method is suitable for controlling the electronic device. In the method, as for each of the fans, a calibration process is performed to obtain fan rotation information and an power/fan-rotation speed information. An assembling position of each of the fans within the electronic device is determined and an operation mode of the electronic device is determined as well. As for each of the fans, according to the fan rotation information, an power/fan-rotation speed information, the assembling position and the operation mode, a temperature-power correlation between the operation temperature of the processor and the power of the fan is calculated. According to the temperature-power correlation of each of the fans, the fans within the electronic device are controlled respectively.
Description
Technical field
The present invention relates to a kind of controlling method and electronic equipment, and in particular to the electronic equipment of a kind of control method for fan and provided with fan.
Background technique
Generally speaking, the radiation fan that most of electronic equipment inside is installed is all, under being set in the pattern of rotating at full speed, when electronic equipment operates, carry out fan running.Minority electrons device provides the fan running speed that the fan attachment in three or four stages running modulation is available for users to change with the operating temperature of electronic equipment and choice for use is different.In addition, under also having the situation of minority, user manually can adjust the running speed of each fan in electronic equipment voluntarily.
But, the fan of different label, different functionalities and fan different mounting points in an electronic, all make the radiating effect that fan provides different, namely fan is under the impact of respective operating characteristics and external mounting point, has the parameter curve of the corresponding fan turns speed of different temperature.Therefore, above-mentioned known fan at full speed rotation mode, three to four stage fan attachments running modulations and user manually adjusts, and all cannot consume the ratio of corresponding heat dissipation by optimizing power, and then cause the power supply of electronic equipment to be wasted.
Summary of the invention
The invention provides a kind of control method for fan, can gather together by the fan in intelligent control electronic equipment, to provide suitable heat radiation function, fan clump and usefulness and reduction power consumption can be improved.
The present invention proposes a kind of control method for fan, is applicable to control one electronic equipment method and comprises: for each fan, carry out a calibration procedure, with the one power stage-rotation speed of the fan parameter of the fan running information and fan that obtain fan.Confirm that each fan is in electronic equipment, each self-corresponding mounting point.Confirm the mode of operation of electronic equipment.For each fan, mounting point corresponding to the operation information of fan, power stage-rotation speed of the fan parameter, fan and mode of operation, the corresponding parameter of a temperature-power between an operating temperature of computation processor and a fan turns power of fan.The corresponding parameter of temperature-power corresponding to each fan, under an operating condition of electronic equipment, controls fan.
In the present invention, said fans controlling method, wherein confirm that each fan is in electronic equipment, each self-corresponding mounting point comprises: receive a setting signal, to set each fan mounting point in an electronic.
In the present invention, said fans controlling method, wherein mode of operation comprises a mode standard, a stillness mode or the high-effect pattern of a fan.
In the present invention, said fans controlling method, the corresponding parameter of temperature-power wherein corresponding to each fan is a discontinuous parameter curve of the operating temperature of the fan turns power alignment processing device of each fan, and discontinuous parameter curve comprises at least one slope of curve turning point.
In the present invention, said fans controlling method, wherein each fan slope of curve turning point in each self-corresponding discontinuous parameter curve comprise the fan turns power of a task performance corresponding to 50% and the operating temperature of processor of processor.
In the present invention, said fans controlling method, also comprises: the mode of operation of change electronic equipment.For each fan, the mounting point corresponding to the fan running information of fan, power stage-rotation speed of the fan parameter, fan and the mode of operation of change, recalculate the corresponding parameter of temperature-power.According to the corresponding parameter of the temperature-power recalculated of each fan, under the operating condition of electronic equipment, control fan.
In the present invention, said fans controlling method, also comprises: change fan at least one of them position.Re-start calibration procedure with the power stage-rotation speed of the fan parameter of the fan running information and each fan that obtain each fan after change of location.For each fan, the mounting point corresponding to the fan running information after obtained change and power stage-rotation speed of the fan parameter, fan and the mode of operation of change, recalculate the corresponding parameter of temperature-power.According to the corresponding parameter of the temperature-power recalculated of each fan, under the operating condition of electronic equipment, control fan.
In the present invention, said fans controlling method, wherein change fan at least one of them step comprise remove fan at least one of them or replace fan at least one of them.
In one embodiment of this invention, said fans controlling method, wherein the fan running information of each fan comprises the output power of turning point together, together turning point rotating speed corresponding to each fan and a stop point output power.
The present invention separately proposes a kind of electronic equipment, comprising: a storage device, at least one fan and a processor.Storage device stores the erasable program of a computer.Processor couples fan and storage device and performs multiple instructions of the erasable program of computer.Wherein instruction comprises: for each fan, carries out a calibration procedure, with the one power stage-rotation speed of the fan parameter of the fan running information and fan that obtain fan.Confirm that each fan is in electronic equipment, each self-corresponding mounting point.Confirm a mode of operation of electronic equipment.For each fan, mounting point corresponding to the fan running information of fan, power stage-rotation speed of the fan parameter, fan and mode of operation, the corresponding parameter of a temperature-power between an operating temperature of computation processor and a fan turns power of fan.The corresponding parameter of temperature-power corresponding to each fan, under an operating condition of electronic equipment, controls fan.
In the present invention, above-mentioned electronic equipment, wherein confirms that each fan is in electronic equipment, the instruction of each self-corresponding mounting point comprise: receive a setting signal to set each fan mounting point in an electronic.
In the present invention, above-mentioned electronic equipment, wherein mode of operation comprises a mode standard, a stillness mode or the high-effect pattern of a fan.
In the present invention, above-mentioned electronic equipment, the corresponding parameter of temperature-power wherein corresponding to each fan is a discontinuous parameter curve of the operating temperature of the fan turns power alignment processing device of each fan, and discontinuous parameter curve comprises at least one slope of curve turning point.
In the present invention, above-mentioned electronic equipment, wherein each fan slope of curve turning point in each self-corresponding discontinuous parameter curve comprise the fan turns power of a task performance corresponding to 50% and the operating temperature of processor of processor.
In the present invention, above-mentioned electronic equipment, wherein instruction also comprises: the mode of operation of change electronic equipment.For each fan, the mounting point corresponding to the fan running information of fan, power stage-rotation speed of the fan parameter, fan and the mode of operation of change, recalculate the corresponding parameter of temperature-power.According to the corresponding parameter of the temperature-power recalculated of each fan, under the operating condition of electronic equipment, control fan.
In the present invention, above-mentioned electronic equipment, wherein instruction also comprises: change fan at least one of them position.Re-start calibration procedure with the power stage-rotation speed of the fan parameter of the fan running information and each fan that obtain each fan after change of location.For each fan, the mounting point corresponding to the fan running information after obtained change and power stage-rotation speed of the fan parameter, fan and the mode of operation of change, recalculate the corresponding parameter of temperature-power.According to the corresponding parameter of the temperature-power recalculated of each fan, under the operating condition of electronic equipment, control fan.
In the present invention, above-mentioned electronic equipment, wherein change fan at least one of them instruction comprise remove fan at least one of them or replace fan at least one of them.
In the present invention, above-mentioned electronic equipment, wherein the fan running information of each fan comprises the output power of turning point together, together turning point rotating speed corresponding to each fan and a stop point output power.
Based on above-mentioned, alignment fan of the present invention gather together in each fan, to obtain the operating characteristics (fan running information, power stage-rotation speed of the fan parameter) of respective fan.Add and consider the fan mounting point of each fan and the electronic device functions pattern of user ' s preference, COMPREHENSIVE CALCULATING can go out the corresponding parameter of a temperature-power of the rotative power alignment processing actuator temperature of each fan.And then by the corresponding parameter of this temperature-power of each fan, intelligent adjustment fan gather together in the operating condition of each fan, with when electronic equipment operates, provide suitable heat radiation function and optimal power supply utilization ratio, to gather together usefulness reduce electronic equipment power consumption to improve fan.
Accompanying drawing explanation
Figure 1 shows that the general flow chart of a kind of control method for fan according to a first embodiment of the present invention.
Figure 2 shows that the power stage-rotation speed of the fan parameter list obtained via a calibration procedure according to an embodiment of the invention.
Figure 3 shows that one embodiment of the invention fan is arranged in each mounting point simplified schematic diagram of electronic equipment.
Figure 4 shows that the corresponding Parameter Map of a temperature-power between the operating temperature of processor according to an embodiment of the invention and the fan turns power of single fan.
Figure 5 shows that the general flow chart of a kind of control method for fan according to a second embodiment of the present invention.
Figure 6 shows that the general flow chart of a kind of control method for fan according to a third embodiment of the present invention.
Figure 7 shows that a kind of according to an embodiment of the invention simplified schematic diagram of electronic equipment.
Embodiment
Figure 1 shows that a kind of according to an embodiment of the invention general flow chart of control method for fan.A kind of control method for fan of the present embodiment, is applicable to an electronic equipment.The fan comprising at least one fan being namely applicable to an electronic equipment controls electronic equipment inside is gathered together.This electronic equipment is such as a PC or a terminal server.In addition, wherein electronic equipment also comprises a processor.Please refer to Fig. 1, in step S101, each fan in gathering together for fan, carries out a calibration procedure respectively, with the respective power stage-rotation speed of the fan parameter of the respective fan running information and each fan that obtain each fan.Wherein each fan includes the point output power that runs up (that is output power of the additional power source of fan when it runs up), together turning point rotating speed and the stop point output power (that is output power of the additional power source of fan when its stall) corresponding to each fan.In other words, each fan in gathering together for fan exactly applies graded voltage or Linear varying voltage, to obtain rotation speed of the fan under different voltage, fan when running up out-put supply power, run up rotating speed and fan stall time out-put supply power.
Figure 2 shows that the power stage-rotation speed of the fan parameter list obtained via a calibration procedure according to an embodiment of the invention.Please refer to Fig. 2, is obtained to the rotation speed of the fan of single fan under the output power of different additional power source by the additional power source output power of 0 to 100 change to change in the present embodiment.Wherein maximum (top) speed can reach 4420rpm, and the rotating speed under the output power of additional power source is the situation of 0 is 1535rpm.
Afterwards, please refer to Fig. 1, in step S105, confirm that each fan is in electronic equipment, each self-corresponding mounting point.For example, user can each fan of sets itself position in an electronic.Figure 3 shows that one embodiment of the invention fan is arranged in each mounting point simplified schematic diagram of electronic equipment.Please refer to Fig. 3, fan mounting point (such as with the host service function face of electronic equipment for benchmark) comprises anterior position 3a, rear position 3b, lateral location 3c, top position 3d, lower position 3e and processor position 3f.Namely user can be as above routine, sets itself/specify each fan mounting point separately.
Then, in step S111, a mode of operation of electronic equipment is confirmed.Wherein, above-mentioned mode of operation comprises a mode standard, a stillness mode or the high-effect pattern of a fan.Namely user is according to each one use habit, and sets the mode of operation of electronic equipment.Such as, when user ' s preference electronic equipment has less machine operation sound when performing, then the mode of operation that can set electronic equipment is stillness mode.In addition, when user ' s preference electronic equipment height running usefulness under executive utility time, then the mode of operation that can set electronic equipment is the high-effect pattern of fan, reaches heat radiation function by the fan of operation at high power factor.
Afterwards, in step S115, for each fan, mounting point corresponding to above-mentioned obtained fan running information, power stage-rotation speed of the fan parameter, this fan and the mode of operation of electronic equipment confirmed, the corresponding parameter of a temperature-power between the fan turns power of the operating temperature of computation processor fan therewith.Figure 4 shows that the corresponding Parameter Map of a temperature-power between the operating temperature of processor according to an embodiment of the invention and the fan turns power of single fan.Please refer to Fig. 4, the corresponding parameter of the temperature-power corresponding to each fan is such as a discontinuous parameter curve 402 of the operating temperature of the fan turns power alignment processing device of each fan.It should be noted that discontinuous parameter curve comprises at least one slope of curve turning point.This slope of curve turning point comprises the fan turns power of task performance corresponding to 50% and the operating temperature (that is the turning point 404 in Fig. 4) of processor of processor.
For example, when the operating temperature of processor is the turning point 404 corresponding to 50% lower than the task performance of processor, the slope of the parameter curve of the operating temperature of fan turns power alignment processing device is less than the slope of operating temperature higher than the parameter curve of the operating temperature of the fan turns power alignment processing device of turning point 404.Namely, when processor operating temperature is lower than turning point 404, the fan turns power variation that the change of operating temperature causes is less.Be strain operating temperature to raise, fan turns power variation, without the need to too high, can reach the required heat radiation function of mode of operation of the electronic equipment of user institute preference.
And when processor operating temperature is higher than turning point 404, the fan turns power variation that the change of operating temperature causes is larger.Be strain operating temperature to raise, fan turns power variation improves, and just can reach preferably heat radiation function.More particularly, according to each fan operating characteristics separately (fan running information, power stage-rotation speed of the fan parameter), fan mounting point and electronic device functions pattern, the fan turns power of each fan of the adjustment electronic equipment intelligent with temperature change, with the electronic device functions pattern of more suitable user institute preference, reach the effect of more power and energy saving.
Then, in step S121, the corresponding parameter of the temperature-power corresponding to each fan, under an operating condition of electronic equipment, controls each fan.Namely processor is according to received temperature detecting information (being such as with an operating temperature of a temperature monitor detecting processor), and the corresponding parameter of temperature-power corresponding to each fan, automatically adjust the rotative power of each fan.
In above-described embodiment, after being through calibration procedure (step S101), the position (step S105) of confirmation fan and the mode of operation (step S111) of confirmation electronic equipment, according to the information that abovementioned steps obtains, calculate the operating temperature parameter corresponding to the temperature-power of each fan of processor.But the present invention is not limited to this.In another embodiment, behind the position (step S105) through calibration procedure (step S101) and confirmation fan, then can according to the fan running information of obtained each fan, power stage-rotation speed of the fan parameter and corresponding mounting point, primary Calculation goes out the corresponding parameter of temperature-power between the operating temperature of processor and the fan turns power of each fan.Then, after the mode of operation confirming electronic equipment (step S111), then according to the mode of operation of set electronic equipment, the corresponding parameter of temperature-power between the operating temperature of trim process device and the fan turns power of each fan.
In addition, in above-described embodiment, user is when assembling electronic device voluntarily, by described control method for fan, according to demands of individuals and each fan performance, fan is installed on each position in electronic equipment, and the optimum efficiency of each fan can be played.But the present invention is not limited to this.The present invention can also be applied to when user changes the mode of operation of at least one fan or electronic equipment, the running of each fan again controlled.
Figure 5 shows that the general flow chart of a kind of control method for fan according to a second embodiment of the present invention.Please refer to Fig. 5, under the state controlling each fan in the corresponding parameter of the temperature-power of electronic equipment corresponding to each fan (the step S121 as Fig. 1), user changes the mode of operation (S525) of electronic equipment.Such as switch to stillness mode by normal operating mode.Then in step S531, for each fan in electronic equipment, according to the power stage-rotation speed of the fan parameter of fan running information obtained before, fan, the mounting point of fan and mode of operation instantly, recalculate the corresponding parameter of temperature-power corresponding to fan.Then, in step S535, again according to each fan recalculate and the corresponding parameter of the temperature-power of correspondence, under the operating condition of electronic equipment, control all fans.
Figure 6 shows that the general flow chart of a kind of control method for fan according to a third embodiment of the present invention.Please refer to Fig. 6, no matter under any circumstance (being such as under the state controlling each fan in the corresponding parameter of the temperature-power of electronic equipment corresponding to each fan shown in step S121 of Fig. 1), once at least one fan (step S601) changed as user in electronic equipment, again calibration procedure (step S605) is carried out to regain the operation information of single fan and the power stage-rotation speed of the fan parameter corresponding to it to fan.Wherein, at least one fan changed in electronic equipment is such as remove at least one fan or change at least one fan.
And under the state of the mode of operation without the position and change electronic equipment of changing fan further, then in step S611 according to the mode of operation of the operation information of regained fan and the power stage corresponding to it-rotation speed of the fan parameter and previous confirmed position of fan and electronic equipment, recalculate the operating temperature parameter corresponding to the temperature-power of each fan of processor.Then, in step S615, the corresponding parameter of the temperature-power corresponding to each fan again obtained according to above-mentioned steps, under the operating condition of electronic equipment, controls the running of all fans.
Figure 7 shows that a kind of according to an embodiment of the invention simplified schematic diagram of electronic equipment.In the present embodiment, aforesaid control method for fan can perform the erasable program of a computer by electronic equipment and carry out.Please refer to Fig. 7, electronic equipment 700 comprises storage device 702, fan and to gather together 704 (comprising at least one fan, such as fan 704a, 704b, 704c, 704d, 704e and 704f), a processor 706.Storage device 702 stores the erasable program of a computer.Wherein this storage device 702 is such as a non-voltile memory (comprising flash memory).And processor 706 couples fan gathers together 704 and storage device 702., and perform multiple instructions of the erasable program of computer, to carry out the control method for fan (comprising step S101-S121, S525-S535 and S601-S615) in previous embodiment.Because the detailed step of control method for fan describes in detail in previous embodiment, therefore do not repeat at this.
In sum, alignment fan of the present invention gather together in each fan, to obtain the operating characteristics (fan running information, power stage-rotation speed of the fan parameter) of respective fan.Add and consider the fan mounting point of each fan and the electronic device functions pattern of user ' s preference, COMPREHENSIVE CALCULATING can go out the corresponding parameter of a temperature-power of the rotative power alignment processing actuator temperature of each fan.And then by the corresponding parameter of this temperature-power of each fan, intelligent adjustment fan gather together in the operating condition of each fan, with when electronic equipment operates, provide suitable heat radiation function and optimal power supply utilization ratio, to gather together usefulness reduce electronic equipment power consumption to improve fan.
Although the present invention with embodiment openly as above; so itself and be not used to limit the present invention; without departing from the spirit and scope of the present invention, when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on those as defined in claim for those skilled in the art.
Claims (18)
1. a control method for fan, be applicable at least one fan controlling electronic equipment, it is characterized in that, wherein this electronic equipment also comprises processor, and the method comprises:
To each fan, carry out calibration procedure, with the power stage-rotation speed of the fan parameter of the fan running information and this fan that obtain this fan;
Confirm that each fan is in this electronic equipment, each self-corresponding mounting point;
Confirm the mode of operation of this electronic equipment;
For each fan, according to mounting point and this mode of operation of the operation information of this fan, this power stage-rotation speed of the fan parameter, this fan, calculate the corresponding parameter of temperature-power between the operating temperature of this processor and the fan turns power of this fan; And
According to the corresponding parameter of this temperature-power of each fan, under the operating condition of this electronic equipment, control those fans.
2. control method for fan as claimed in claim 1, is characterized in that, wherein confirm that the mounting point of each fan in this electronic equipment comprises:
Receive setting signal to set each fan this mounting point in this electronic equipment.
3. control method for fan as claimed in claim 1, it is characterized in that, wherein this mode of operation comprises the high-effect pattern of mode standard, stillness mode or fan.
4. control method for fan as claimed in claim 1, it is characterized in that, the corresponding parameter of this temperature-power wherein corresponding to each fan be this fan turns power of each fan to should the discontinuous parameter curve of this operating temperature of processor, and this discontinuous parameter curve comprises at least one slope of curve turning point.
5. control method for fan as claimed in claim 4, it is characterized in that, wherein each fan this slope of curve turning point in each this discontinuous parameter curve self-corresponding comprise this fan turns power of task performance corresponding to 50% and this operating temperature of this processor of this processor.
6. control method for fan as claimed in claim 1, is characterized in that, also comprise:
Change the mode of operation of this electronic equipment;
For each fan, according to the operation information of this fan, this power stage-rotation speed of the fan parameter, the mounting point of this fan and this mode of operation of change, recalculate the corresponding parameter of this temperature-power; And
According to the corresponding parameter of each this temperature-power, control those fans.
7. control method for fan as claimed in claim 1, is characterized in that, also comprise:
Change those fans at least one of them position;
Re-start this calibration procedure to obtain the operation information of each fan after change of location, and this power stage-rotation speed of the fan parameter of each fan;
For each fan, according to operation information and this power stage-rotation speed of the fan parameter, the mounting point of this fan and the mode of operation of change of this fan, recalculate the corresponding parameter of this temperature-power; And
According to the corresponding parameter of this temperature-power, control those fans.
8. control method for fan as claimed in claim 7, is characterized in that, the step wherein changing those fans at least position of one of them comprise remove those fans at least one of them or replace those fans at least one of them.
9. control method for fan as claimed in claim 1, is characterized in that, wherein this fan running information of each fan comprises the point output power that runs up corresponding to each fan, plays turning point rotating speed and stop point output power.
10. an electronic equipment, comprising:
Storage device, stores the erasable program of computer;
At least one fan;
Processor, couple this fan and this storage device and perform multiple instructions of the erasable program of this computer, it is characterized in that, wherein those instructions comprise:
For each fan, carry out calibration procedure, with the power stage-rotation speed of the fan parameter of the operation information and this fan that obtain this fan;
Read each fan in the position of this electronic equipment;
Read the mode of operation of this electronic equipment;
According to the operation information of this fan, this power stage-rotation speed of the fan parameter, this fan mounting point and this mode of operation, calculate the corresponding parameter of temperature-power between the operating temperature of this processor and the fan turns power of this fan; And
According to the corresponding parameter of this temperature-power, control those fans.
11. electronic equipments as claimed in claim 10, is characterized in that, wherein confirm that each fan is in this electronic equipment, the instruction of each this mounting point self-corresponding comprise:
Receive setting signal to set the position of each fan in this electronic equipment.
12. electronic equipments as claimed in claim 10, it is characterized in that, wherein this mode of operation comprises the high-effect pattern of mode standard, stillness mode or fan.
13. electronic equipments as claimed in claim 10, it is characterized in that, the corresponding parameter of this temperature-power wherein corresponding to each fan be this fan turns power of each fan to should the discontinuous parameter curve of this operating temperature of processor, and this discontinuous parameter curve comprises at least one slope of curve turning point.
14. electronic equipments as claimed in claim 13, it is characterized in that, wherein each fan this slope of curve turning point in each this discontinuous parameter curve self-corresponding comprise this fan turns power of task performance corresponding to 50% and this operating temperature of this processor of this processor.
15. electronic equipments as claimed in claim 10, it is characterized in that, wherein those instructions also comprise:
Change this mode of operation of this electronic equipment;
For each fan, the mounting point corresponding to this fan running information, this power stage-rotation speed of the fan parameter, this fan and this mode of operation, recalculate the corresponding parameter of this temperature-power; And
According to the corresponding parameter of this temperature-power, control those fans.
16. electronic equipments as claimed in claim 10, it is characterized in that, wherein those instructions also comprise:
Change those fans at least one of them position;
Re-start this calibration procedure to obtain the power stage-rotation speed of the fan parameter of the fan running information after changing and fan;
For each fan, the mounting point corresponding to this fan running information after obtained change and this power stage-rotation speed of the fan parameter, this fan and this mode of operation, recalculate the corresponding parameter of this temperature-power; And
According to the corresponding parameter of this temperature-power, control those fans.
17. electronic equipments as claimed in claim 16, is characterized in that, wherein change those fans at least the instruction of the position of one of them comprise and remove at least one fan or replace at least one fan.
18. electronic equipments as claimed in claim 10, is characterized in that, wherein this fan running information of each fan comprises the point output power that runs up corresponding to this fan, plays turning point rotating speed and stop point output power.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261592005P | 2012-01-30 | 2012-01-30 | |
| US61/592,005 | 2012-01-30 |
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| CN103225620A CN103225620A (en) | 2013-07-31 |
| CN103225620B true CN103225620B (en) | 2015-06-17 |
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| CN201210552900.8A Active CN103225620B (en) | 2012-01-30 | 2012-12-18 | Fan controlling method and electronic device |
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| TW (1) | TWI495794B (en) |
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| CN103423189B (en) * | 2013-09-03 | 2015-11-11 | 中国科学院计算技术研究所 | A kind of server fan power consumption measurement method |
| CN103631351B (en) * | 2013-12-17 | 2017-02-15 | 北京百度网讯科技有限公司 | Fan control method and device of server and server |
| TW201533564A (en) | 2014-02-27 | 2015-09-01 | 萬國商業機器公司 | Fan control system and method for a computer system based on power ratio |
| CN105091254B (en) * | 2014-04-18 | 2020-01-31 | 大金工业株式会社 | Control device |
| CN105324004B (en) * | 2014-07-25 | 2019-04-05 | 国家电网公司 | A kind of high power combination load heat dissipation intelligence control system and its control method |
| CN107420332A (en) * | 2016-05-24 | 2017-12-01 | 中兴通讯股份有限公司 | A kind of method and apparatus of fan control |
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Also Published As
| Publication number | Publication date |
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| TW201331477A (en) | 2013-08-01 |
| CN103225620A (en) | 2013-07-31 |
| TWI495794B (en) | 2015-08-11 |
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