CN102314206A - Fan speed control device for server - Google Patents
Fan speed control device for server Download PDFInfo
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- CN102314206A CN102314206A CN2010102263094A CN201010226309A CN102314206A CN 102314206 A CN102314206 A CN 102314206A CN 2010102263094 A CN2010102263094 A CN 2010102263094A CN 201010226309 A CN201010226309 A CN 201010226309A CN 102314206 A CN102314206 A CN 102314206A
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Abstract
The invention relates to a fan speed control device for a server. The device comprises a first group of fans, a second group of fans, a management module and a control module, wherein the control module receives fan rotating speed signals from the first group of fans and the second group of fans in a time-sharing mode through mutual operation of the management module and the control module, so that the rotating speeds of a plurality of fans still can be effectively detected under the condition that input pins of the control module are insufficient; meanwhile, the hardware design cost of a server system is saved.
Description
Technical field
The present invention relates to a kind of rotation speed of the fan control technology, particularly a kind of fan rotation speed control apparatus of server.
Background technology
Flourish along with electronic industry, electronic product also progresses into multi-functional, high performance R&D direction.For satisfying the microminiaturized package requirements of electronic product; The heat that produces when electronic package operates on the circuit board of electronic product will obviously increase; Fan demand is quantitatively also constantly increased relatively, and for example existing server system is not if need accurate radiating control then to be equipped with 6 to 8 fans, if server system needs accurate radiating control; Then need be equipped with 12 fans; So, so that effectively control the fan running, the baseboard management controller of server system (BMC) needs 12 rotation speeds of the fan and detects pin in order to detect each rotation speed of the fan; Yet the BMC in the existing server system only has 8 rotation speeds of the fan to detect pins, can't realize the rotating speed of 12 fans of server system is effectively read.
Therefore, how to propose a kind of fan speed controlling device of server,, become the problem that present industry is demanded urgently overcoming in fact to overcome many shortcomings of above-mentioned background technology.
Summary of the invention
Shortcoming in view of above-mentioned prior art; The object of the present invention is to provide a kind of fan speed controlling device of server; Its existing hardware framework that utilizes server is still can obtaining the rotating speed of a plurality of fans under the not enough situation of the input pin of effective solution baseboard management controller, and then the economize on hardware cost.
For reaching above-mentioned and other purpose, the present invention provides a kind of fan speed controlling device of server, comprising: first group of fan; Second group of fan, administration module, and control module; This first group of fan has at least one fan, and respectively this fan is exported a fan rotating speed signals respectively according to actual speed; This second group of fan has at least one fan, and respectively this fan is exported a fan rotating speed signals respectively according to actual speed; This administration module has a plurality of first input ends and a plurality of first output terminal; This administration module receives a control signal, respectively this first input end receive respectively respectively this fan rotating speed signals and respectively this first output terminal according to this control signal timesharing output this fan rotating speed signals respectively; This control module has a plurality of second input ends and a control end; This controls signal to this administration module this control end output; Respectively this second input end is connected with this first output terminal respectively respectively, and respectively this second input end receives respectively this fan rotating speed signals according to this control signal timesharing, wherein; When this control signal was first state, respectively this second input end received the fan rotating speed signals of this first group of fan output; When this control signal was second state, respectively this second input end received the fan rotating speed signals of this second group of fan output, to adjust the respectively rotating speed of this fan in real time according to said fan rotating speed signals.
In the fan speed controlling device of server of the present invention, this administration module is complex programmable logic assembly (complex programmable logic devices; CPLD); This control module is baseboard management controller (Baseboard Management Controller; BMC).
This control signal is switched respectively respectively this fan rotating speed signals of this second input end reception.First state of this control signal is a high level, and second state of this control signal is a low level.
The present invention can realize that server still can obtain a plurality of rotation speeds of the fan being subject under the input pin quantity of this baseboard management controller through the running configuration between configuration CPLD and baseboard management controller; Need not extra increase hardware structure in server system; Thereby it is cost-saved; And can effectively obtain rotation speed of the fan, so that it is controlled and be beneficial to system radiating.
Description of drawings
Fig. 1 is the basic framework calcspar of the fan speed controlling device of server of the present invention.
[simple declaration of assembly label]
11 second groups of fans of 10 first groups of fans
12 administration modules, 120 first input ends, 122 first output terminals
13 control modules, 130 second input ends, 132 control ends
Embodiment
Below through specific instantiation technology contents of the present invention is described, those skilled in the art can understand other advantage of the present invention and effect easily by the content that this instructions disclosed.The present invention also can implement or use through other different instantiation, and each item details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
Like Fig. 1 is the basic framework calcspar of the fan speed controlling device of server of the present invention.As shown in the figure, the fan speed controlling device of server of the present invention comprises first group of fan 10, second group of fan 11, administration module 12 and control module 13.Below cooperate Fig. 1 that the present invention is elaborated.
In the present embodiment, this first group of fan 10 has at least one fan, and respectively this fan is exported a fan rotating speed signals respectively according to actual speed.
This second group of fan 11 has at least one fan, and respectively this fan is exported a fan rotating speed signals respectively according to actual speed.
This administration module 12 has a plurality of first input ends 120 and a plurality of first output terminal 122; And this administration module 12 receives the control signal of these control module 13 outputs, respectively this first input end 120 receives respectively respectively this fan rotating speed signals and respectively this first output terminal 122 export respectively this fan rotating speed signals according to this control signal timesharing.Promptly this administration module 12 is confirmed through the fan rotating speed signals of this first output terminal 122 these first group of fan of output or the fan rotating speed signals of this second group of fan according to the state of this control signal.For example when this control signal was first state (for example being high level), said these first output terminals were exported the fan rotating speed signals of these group of fan.When this control signal is second state (for example being low level), the fan rotating speed signals of said these these second group of fans of first output terminal output.In present embodiment, this administration module 12 is complex programmable logic assembly (complex programmable logic devices; CPLD).
Correspondingly; This control module 13 has a plurality of second input ends 130 and a control end 132; This controls signal to this administration module 12 these control end 132 outputs; Respectively this second input end 130 is connected with this first output terminal 122 respectively respectively, and respectively this second input end 130 receives respectively this fan rotating speed signals according to this control signal timesharing.Promptly when this control signal is first state (high level); Respectively this second input end 130 receives the fan rotating speed signals of this first group of fan output; When this control signal is second state (low level); Respectively this second input end 130 receives the fan rotating speed signals of this second group of fan output, to adjust the respectively rotating speed of this fan in real time according to said fan rotating speed signals.In present embodiment, control module 13 is baseboard management controller (Baseboard Management Controller; BMC).
Through the present invention, can realize the input end of baseboard management controller is expanded with the ever-increasing number of fans demand of response server.
In sum; The present invention can realize a plurality of rotation speed of the fan controls of server through configuration CPLD and baseboard management controller; Need not in server system, to increase the additional hardware framework; Thereby cost-saved, and can effectively obtain the rotation speed of the fan of server, so that it is controlled and be beneficial to system radiating.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, rights protection scope of the present invention should be listed like claims.
Claims (5)
1. the fan speed controlling device of a server is characterized in that, comprising:
First group of fan has at least one fan, and respectively this fan is exported a fan rotating speed signals respectively according to actual speed;
Second group of fan has at least one fan, and respectively this fan is exported a fan rotating speed signals respectively according to actual speed;
Administration module; Have a plurality of first input ends and a plurality of first output terminal; This administration module receives a control signal, respectively this first input end receive respectively respectively this fan rotating speed signals and respectively this first output terminal according to this control signal timesharing output this fan rotating speed signals respectively; And
Control module has a plurality of second input ends and a control end, and this controls signal to this administration module this control end output; Respectively this second input end is connected with this first output terminal respectively respectively; And respectively this second input end receives respectively this fan rotating speed signals according to this control signal timesharing, wherein
When this control signal was first state, respectively this second input end received the fan rotating speed signals of this first group of fan output;
When this control signal was second state, respectively this second input end received the fan rotating speed signals of this second group of fan output, to adjust the respectively rotating speed of this fan in real time according to said fan rotating speed signals.
2. the fan speed controlling device of server according to claim 1 is characterized in that, this administration module is the complex programmable logic assembly.
3. the fan speed controlling device of server according to claim 1 is characterized in that, this control module is a baseboard management controller.
4. the fan speed controlling device of server according to claim 1 is characterized in that, this control signal is switched respectively respectively this fan rotating speed signals of this second input end reception.
5. the fan speed controlling device of server according to claim 1 is characterized in that, first state of this control signal is a high level, and second state of this control signal is a low level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102263094A CN102314206A (en) | 2010-07-06 | 2010-07-06 | Fan speed control device for server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102263094A CN102314206A (en) | 2010-07-06 | 2010-07-06 | Fan speed control device for server |
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| Publication Number | Publication Date |
|---|---|
| CN102314206A true CN102314206A (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102263094A Pending CN102314206A (en) | 2010-07-06 | 2010-07-06 | Fan speed control device for server |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104204997A (en) * | 2012-03-30 | 2014-12-10 | 富士通株式会社 | Information processing device, control method and program |
| CN108282979A (en) * | 2017-01-06 | 2018-07-13 | 茂达电子股份有限公司 | Heat Dissipation System And Fan Driving Circuit |
| CN108757536A (en) * | 2018-05-25 | 2018-11-06 | 联想(北京)有限公司 | A kind of electronic equipment and control method for fan |
| CN109026809A (en) * | 2018-08-23 | 2018-12-18 | 郑州云海信息技术有限公司 | A kind of fan control system, method and CPLD |
| CN109488631A (en) * | 2018-11-28 | 2019-03-19 | 郑州云海信息技术有限公司 | A kind of fan control device and its method |
| CN112922880A (en) * | 2019-12-06 | 2021-06-08 | 佛山市顺德区顺达电脑厂有限公司 | Server fan control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101281398A (en) * | 2007-04-05 | 2008-10-08 | 环达电脑(上海)有限公司 | Method and system for monitoring rotary speed signal of multiple fans |
| WO2010050080A1 (en) * | 2008-10-31 | 2010-05-06 | 株式会社日立製作所 | Physical computer, method for controlling cooling device, and server system |
| CN101737346A (en) * | 2008-11-13 | 2010-06-16 | 英业达股份有限公司 | Fan speed controlling device |
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2010
- 2010-07-06 CN CN2010102263094A patent/CN102314206A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101281398A (en) * | 2007-04-05 | 2008-10-08 | 环达电脑(上海)有限公司 | Method and system for monitoring rotary speed signal of multiple fans |
| WO2010050080A1 (en) * | 2008-10-31 | 2010-05-06 | 株式会社日立製作所 | Physical computer, method for controlling cooling device, and server system |
| CN101737346A (en) * | 2008-11-13 | 2010-06-16 | 英业达股份有限公司 | Fan speed controlling device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104204997A (en) * | 2012-03-30 | 2014-12-10 | 富士通株式会社 | Information processing device, control method and program |
| CN108282979A (en) * | 2017-01-06 | 2018-07-13 | 茂达电子股份有限公司 | Heat Dissipation System And Fan Driving Circuit |
| CN108282979B (en) * | 2017-01-06 | 2019-11-19 | 茂达电子股份有限公司 | Cooling system and fan drive circuit |
| CN108757536A (en) * | 2018-05-25 | 2018-11-06 | 联想(北京)有限公司 | A kind of electronic equipment and control method for fan |
| CN108757536B (en) * | 2018-05-25 | 2020-06-23 | 联想(北京)有限公司 | Electronic equipment and fan control method |
| CN109026809A (en) * | 2018-08-23 | 2018-12-18 | 郑州云海信息技术有限公司 | A kind of fan control system, method and CPLD |
| CN109488631A (en) * | 2018-11-28 | 2019-03-19 | 郑州云海信息技术有限公司 | A kind of fan control device and its method |
| CN112922880A (en) * | 2019-12-06 | 2021-06-08 | 佛山市顺德区顺达电脑厂有限公司 | Server fan control system |
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Application publication date: 20120111 |