CN102243520B - Method for controlling fan - Google Patents
Method for controlling fan Download PDFInfo
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- CN102243520B CN102243520B CN201010178656.4A CN201010178656A CN102243520B CN 102243520 B CN102243520 B CN 102243520B CN 201010178656 A CN201010178656 A CN 201010178656A CN 102243520 B CN102243520 B CN 102243520B
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- fan
- control table
- speed control
- fan speed
- table data
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Abstract
The invention relates to a method for controlling a fan. In the method, a base board management controller controls a rotating speed of the fan, so that the corresponding heat dissipation of a motherboard is performed. The method comprises the following steps of: firstly, establishing and storing a plurality of sums of fan speed control table data and a plurality of sums of performance index data corresponding to the fan speed control table data, and defining one of the plurality of sums of fan speed control table data as default fan speed control table data; secondly, judging whether a trigger signal is received; if the trigger signal is not received, selecting the defined default fan speed control table data, and if the trigger signal is received, providing a fan speed control table setting interface through which a user can select the required fan speed control table data; and finally, loading the selected fan speed control table data according to a selected result and making the base board management controller control the rotating speed of the fan according to the selected fan speed control table data, so that the motherboards in the same type have higher use flexibility to simultaneously meet the requirements of different users.
Description
Technical field
The present invention relates to a kind of fan control technology, in more detail, relating to a kind of for utilizing baseboard management controller (BMC) to control the rotating speed of fan to perform the control method for fan of corresponding radiating treatment to motherboard.
Background technology
In the server, fan control speed function is an important function, usually in the server being equipped with baseboard management controller, be carry out fan control speed by the baseboard management controller on motherboard, it is according to being preset in the fan speed control table in baseboard management controller and being located at the rotation speed of the fan that temperature that the temperature-sensitive sticker on motherboard senses comes in Control Server.
In addition, the setting of fan speed control table needs to weigh following key element simultaneously: be first the cooling requirements that will meet certain level, namely, after startup of server, can not make to be configured at central processing unit in server because of temperature overheating or other equipment cannot normally work.Next reduces noise, namely reduces the noise produced due to the quick rotation of fan.Moreover for reducing the power consumption needed for drive fan operation.
But above-mentioned each key element is restriction mutually, if heat dispersion requires too high, then must improve rotation speed of the fan, so, then can cause the raising of noise and the increase of power consumption; If too high to reduction noise requirements, then must reduce rotation speed of the fan, so, then can affect heat dispersion.And in baseboard management controller, usually only provide a fan speed control table at present, so, then need seek an equilibrium point between above-mentioned each key element, but this equilibrium point is indefinite, it can require according to the difference of user and change, that is each user can have oneself different demand, some users may bias toward heat dispersion aspect, and some users then may bias toward and reduce noise or power consumption aspect.Therefore, after a type motherboard configuration, a kind of fan speed control table can only be provided to carry out control speed, the demand of different user cannot be met simultaneously.
Therefore, how a kind of control method for fan solving the defect of above-mentioned prior art is proposed, to meet the demand of different user, the real technical matters for desiring most ardently solution at present.
Summary of the invention
In view of the shortcoming of above-mentioned prior art, an object of the present invention is to provide a kind of control method for fan, performs corresponding fan control with the different demand for user.
For reaching above-mentioned purpose and other objects, the invention provides a kind of control method for fan, the rotating speed of fan is controlled by baseboard management controller, to perform corresponding radiating treatment to motherboard, this control method for fan at least comprises the following steps: 1) set up and store many fan speed control table data, and many performance index data of each these fan speed control table data of correspondence, and definition wherein fan speed control table data be default fan speed control table data; 2) judge whether this baseboard management controller receives trigger pip, if not, then these the default fan speed control table data in selected stored data, and enter step 4), if so, then enter step 3); 3) provide fan speed control table to set interface, this fan speed control table setting interface display comprises the corresponding relation of described fan speed control table data and described performance index data, selectes required fan speed control table data for user according to this corresponding relation; And 4) be loaded into chosen fan speed control table data, and make this baseboard management controller control according to the chosen rotating speed of these fan speed control table data to this fan.
Preferably, in step 2) further comprising the steps of before: user interface is provided, changes fan speed control table order to be transmitted by this user interface, and produce this trigger pip after this order transmits.In step 2) further comprising the steps of before: providing the first variable, when producing this trigger pip, is the value of non-zero by this first specification of variables.In step 3) in further comprising the steps of: after selected required fan speed control table data, be the value of zero by this first specification of variables.
Preferably, in step 4) further comprising the steps of before: provide the second variable, this second variable is the global variable pointing to these chosen fan speed control table data.In step 4) in be loaded into these fan speed control table data pointed by the second variable.In step 4) in further comprising the steps of: redefining these chosen fan speed control table data is these default fan speed control table data.
In addition, respectively this performance index packet contains heat radiation index, noise specification and power consumption index.Respectively this fan speed control table packet containing temperature parameter, to should temperature parameter fan control speed parameter.
Compared to prior art, control method for fan of the present invention, the rotating speed of fan is controlled by baseboard management controller, to perform corresponding radiating treatment to motherboard, first set up and store many fan speed control table data, and many performance index data of each these fan speed control table data of correspondence, and definition wherein fan speed control table data be default fan speed control table data, then, judge whether to receive trigger pip, in time not receiving this trigger pip, these the default fan speed control table data defined, and in time receiving this trigger pip, fan speed control table is provided to set interface, required fan speed control table data are selected for user, finally, according to the result selected, be loaded into chosen fan speed control table data, and make this baseboard management controller control according to the chosen rotating speed of these fan speed control table data to this fan, and make same type motherboard have larger use elasticity, to meet the demand of different user simultaneously.
Accompanying drawing explanation
Fig. 1 is the operational flowchart of control method for fan of the present invention.
The simple declaration of element numbers
S100 ~ S140 step
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art can understand other advantages of the present invention and effect easily by content disclosed in the present specification.
Refer to Fig. 1, for drawing the operational flowchart of control method for fan of the present invention.The rotating speed of control method for fan of the present invention for utilizing baseboard management controller to control fan, to perform corresponding radiating treatment to motherboard.This motherboard is provided with the temperature-sensitive sticker sensing its running temperature, and the temperature sensed according to this temperature-sensitive sticker for this baseboard management controller carries out the control of rotating speed to this fan.Below namely each step of control method for fan of the present invention is described in detail.
First step S100 is entered, to set up and to store many fan speed control table data, and many performance index data of each these fan speed control table data of correspondence, and definition wherein fan speed control table data be default fan speed control table data, in one embodiment of the invention, this performance index packet is containing heat radiation index, noise specification and power consumption index, and this fan speed control table packet is containing temperature parameter, to should the fan control speed parameter of temperature parameter, but not as limit.Then step S110 is entered.
In step s 110, judge whether this baseboard management controller receives trigger pip, if so, then represent that user does not agree to carry out with defined default fan speed control table data the control speed of fan, thus need to enter step S130; If not, then represent that user agrees to carry out with defined default fan speed control table data the control speed of fan, thus need to enter step S120.
Preferably, further comprising the steps of before entering step S110: user interface is provided, transmitted by this user interface and change fan speed control table order, and this trigger pip is produced after this order transmits, therefore, control method for fan of the present invention can perform the fan control speed of different schemes according to the request of user.
In addition, further comprising the steps of before entering step S110: the first variable is provided, when producing this trigger pip, be the value of non-zero by this first specification of variables, but not as limit.It should be noted that this first variable whether produces with for this this trigger pip of fan control system identification.
In the step s 120, the default fan speed control table data defined in these data stored by storage module 11 selected.Then step S140 is carried out.
In step s 130, which, fan speed control table setting interface in order to selected fan speed control table data is provided, this fan speed control table setting interface display comprises the corresponding relation of described fan speed control table data and described performance index data, selectes required fan speed control table data for user according to this corresponding relation.Then step S140 is carried out.
In step S140, be loaded into chosen fan speed control table data, and make this baseboard management controller control according to the chosen rotating speed of these fan speed control table data to this fan.
Preferably, further comprising the steps of before step S140: one second variable is provided, this second variable is the global variable pointing to these chosen fan speed control table data, wherein, is be loaded into this fan speed control table data pointed by the second variable in step S140.In addition, further comprising the steps of in step S140: redefining these chosen fan speed control table data is these default fan speed control table data.It should be noted that this second variable points to according to it fan speed control table data identifying required loading with for this fan control system.
In sum, control method for fan of the present invention, the rotating speed of fan is controlled by baseboard management controller, to perform corresponding radiating treatment to motherboard, first set up and store many fan speed control table data, and many performance index data of each these fan speed control table data of correspondence, and definition wherein fan speed control table data be default fan speed control table data, then, judge whether to receive trigger pip, in time not receiving this trigger pip, these the default fan speed control table data defined, and in time receiving this trigger pip, fan speed control table is provided to set interface, required fan speed control table data are selected for user, finally, according to the result selected, be loaded into chosen fan speed control table data, and make this baseboard management controller control according to the chosen rotating speed of these fan speed control table data to this fan, and make same type motherboard have larger use elasticity, to meet the demand of different user simultaneously.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any those skilled in the art all without prejudice under spirit of the present invention and category, can carry out modifying to above-described embodiment and change.Therefore, the scope of the present invention, should listed by claims.
Claims (8)
1. a control method for fan, is characterized in that, controlled the rotating speed of fan by baseboard management controller, to perform corresponding radiating treatment to motherboard, this control method for fan at least comprises the following steps:
1) set up and store many fan speed control table data, and many performance index data of each these fan speed control table data of correspondence, and definition wherein fan speed control table data be default fan speed control table data;
2) user interface is provided, fan speed control table order is changed to be transmitted by this user interface, and trigger pip is produced after this order transmits, then judge whether this baseboard management controller receives this trigger pip, if not, then these the default fan speed control table data in selected stored data, and enter step 4), if so, then step 3 is entered);
3) provide fan speed control table to set interface, this fan speed control table setting interface display comprises the corresponding relation of described fan speed control table data and described performance index data, selectes required fan speed control table data for user according to this corresponding relation; And
4) be loaded into chosen fan speed control table data, and make this baseboard management controller control according to the chosen rotating speed of these fan speed control table data to this fan.
2. control method for fan according to claim 1, is characterized in that, in step 2) further comprising the steps of before: providing the first variable, when producing this trigger pip, is the value of non-zero by this first specification of variables.
3. control method for fan according to claim 2, is characterized in that, in step 3) in further comprising the steps of: after selected required fan speed control table data, be the value of zero by this first specification of variables.
4. control method for fan according to claim 1, is characterized in that, in step 4) further comprising the steps of before: provide the second variable, this second variable is the global variable pointing to these chosen fan speed control table data.
5. control method for fan according to claim 4, is characterized in that, in step 4) in loaded fan speed control table data are these fan speed control table data pointed by the second variable.
6. control method for fan according to claim 4, is characterized in that, in step 4) in further comprising the steps of: redefining these chosen fan speed control table data is these default fan speed control table data.
7. control method for fan according to claim 1, is characterized in that, respectively this performance index packet is containing heat radiation index, noise specification and power consumption index.
8. control method for fan according to claim 1, is characterized in that, respectively this fan speed control table packet containing temperature parameter, to should temperature parameter fan control speed parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178656.4A CN102243520B (en) | 2010-05-13 | 2010-05-13 | Method for controlling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178656.4A CN102243520B (en) | 2010-05-13 | 2010-05-13 | Method for controlling fan |
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| Publication Number | Publication Date |
|---|---|
| CN102243520A CN102243520A (en) | 2011-11-16 |
| CN102243520B true CN102243520B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010178656.4A Expired - Fee Related CN102243520B (en) | 2010-05-13 | 2010-05-13 | Method for controlling fan |
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| CN (1) | CN102243520B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017015845A1 (en) * | 2015-07-27 | 2017-02-02 | 薄冰 | Method for popping up patent information when adjusting fan on the basis of code and fan |
| CN107203250A (en) * | 2017-05-23 | 2017-09-26 | 杨廉 | A kind of radiator control method |
| CN107479672A (en) * | 2017-08-23 | 2017-12-15 | 联想(北京)有限公司 | A kind of cooling control method and electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219244C (en) * | 2002-12-09 | 2005-09-14 | 英业达股份有限公司 | Noise controlling method via rotation speed of fan |
| CN101466245A (en) * | 2007-12-19 | 2009-06-24 | 英业达股份有限公司 | Intelligent radiator of fan and method for controlling fan revolution speed |
| CN101609424B (en) * | 2008-06-18 | 2011-05-04 | 英业达股份有限公司 | System hardware monitoring and simulation testing module and method thereof |
| CN101996122B (en) * | 2009-08-21 | 2012-12-26 | 研祥智能科技股份有限公司 | Computer temperature alarming method, device and computer system |
| CN102287388A (en) * | 2010-06-21 | 2011-12-21 | 英业达股份有限公司 | Method for constructing fan speed control table |
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2010
- 2010-05-13 CN CN201010178656.4A patent/CN102243520B/en not_active Expired - Fee Related
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| CN102243520A (en) | 2011-11-16 |
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Granted publication date: 20150218 |