CN1854528A - Fan module and its controller - Google Patents
Fan module and its controller Download PDFInfo
- Publication number
- CN1854528A CN1854528A CN 200510067806 CN200510067806A CN1854528A CN 1854528 A CN1854528 A CN 1854528A CN 200510067806 CN200510067806 CN 200510067806 CN 200510067806 A CN200510067806 A CN 200510067806A CN 1854528 A CN1854528 A CN 1854528A
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- fans
- drive circuit
- blower module
- temperature
- control gear
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Abstract
In the invention, the fan module consists of a plurality of fans and a control unit. The control unit includes a temperature-sensing circuit for sensing the environmental temperature of the fans and producing a sensing signal and a drive circuit connected electrically between the fans and the temperature-sensing circuit having a full power operator scheme and an electricity-saving operator scheme. According to the sensing signal, the drive circuit can choose the different operator scheme, so as to produce a fan drive signal for controlling the different rotating speeds of the fans.
Description
Technical field
The present invention relates to a kind of blower module and control gear thereof, particularly a kind of can be with the load number so that each fan be made the control gear of rotation speed regulating and controlling, and the blower module that is provided with this control gear.
Background technique
Along with development of technology, the number of electronic components on the unit area of electronic equipment is more and more, cause electronic equipment when work heating value can with increase.Therefore, be in effective operating temperature in order to keep electronic equipment, the existing fado of doing is to utilize to add fan and handle these heat dissipations.And because the volume and the installed with built-in component quantity of different casing of electronic apparatus differ, therefore all suitable big of the required heat dissipating capacity of existing medium-and-large-sized electronic equipment need be dispelled the heat by two groups of above fans that add at least.The most common outer add mode is that a plurality of fans are incorporated in the framework, and utilizes a control gear to control this a plurality of fans simultaneously that this claims blower module (fan module) at present.
In the face of the electronic equipment of various different loads amount, the blower module that the user promptly must the configuration difference in functionality, existing more common blower module has two kinds of operator schemes on the whole, and one is full power operation pattern (high power operate mode; HP), another is electricity-saving operation mode (restricted power operate mode; RP), and a common electronic equipment that load capacity is few, only need load onto the blower module of a full power operation pattern, can when the electronic equipment heat produces, reach the effect of heat radiation; And the electronic equipment that load capacity is big then can be respectively charged into the blower module of a full power operation pattern and the blower module of an electricity-saving operation mode; See also shown in Figure 1, an electronic equipment 1 shown in the figure, it can establish above-mentioned two kinds of different this full power operation pattern blower module 2 and this electricity-saving operation mode blower modules 3 for organizing respectively, and the load 4 of a plurality of live inserting and pulling, when inserting under the few situation of load 4 quantity, can make radiating treatment by this electricity-saving operation mode blower module 3, and under the situation that load 4 quantity increase gradually, then can change with this full power operation pattern blower module 2 and make radiating treatment, so that the effusion of energy accelerated heat.
Moreover, above-mentioned two kinds of blower modules 2,3 all can in have a temperature sensing component, when temperature changes, control gear in this two blower module 2,3 can corresponding output one control signal to a plurality of fans, and makes these a plurality of fans heighten or turn down the rotating speed of itself, and the relation of these two kinds of blower modules, 2,3 temperature and rotating speed is just like shown in Fig. 2 A and the 2B, wherein, in Fig. 2 A, the relation of this rotating speed and temperature is to be linear change, just along with the (temperature t of increase gradually of temperature
1To temperature t
2), the rotating speed of these a plurality of fans also synchronously increases (rotating speed r
1To rotating speed r
2), but this temperature and change in rotational speed can not be entirely " linearity " in the practical operation, because some The noise, this oblique line should be bent slightly down or go up bent, therefore not good enough in control sensitivity; In addition, in Fig. 2 B, this change in rotational speed end sees whether temperature surpasses critical temperature t
3, if surpass critical temperature t
3Then the rotating speed of these a plurality of fans is immediately by rotating speed r
1Rise suddenly and be rotating speed r
2, but this kind control mode be because the rising suddenly or plunging of rotating speed if be used in the big electronic equipment of load, will make shorten the working life of mechanism, also non-is a good mode.
The continuous densification of assembled components in various electronic equipments, and volume is got under the trend that becomes to dwindling, because the assembly level of integration constantly promotes, cause its heating value progressively to increase, therefore, will how to make the blower module with better more accurate rate of heat removal and better control mode, be the direction of following one quite worth research.
Summary of the invention
Therefore, for addressing the above problem, the present invention proposes a kind of multiple different operation modes to be integrated in the control gear of one, and the blower module that is provided with this control gear then is able in response in the electronic equipment of different loads amount, and to obtain better and rate of heat removal more accurately.
According to purpose of the present invention, a kind of blower module and control gear thereof are proposed, wherein this blower module is made up of a plurality of fans and a control gear, and this control gear is made up of a temperature sensing circuit and one drive circuit, wherein this temperature sensing circuit is in order to the temperature of these a plurality of fans of sensing environment of living in, and produce a sensing signal according to this to this drive circuit, and this drive circuit is electrically connected between these a plurality of fans and this temperature sensing circuit, have a full power operation pattern and an electricity-saving operation mode simultaneously, it can be according to this sensing signal selecting different operation modes, and therefore these a plurality of fans are done the control of different rotating speeds; By this, when the load capacity that is directed to an electronic equipment was stablized, this drive circuit can the running of electricity-saving operation mode drive fan, and when the load capacity of this electronic equipment was astable, this drive circuit can change with full power operation mode activated fan running.
According to a further object of the present invention, a kind of control gear is proposed, except above-mentioned temperature sensing circuit and drive circuit, this control gear also includes a switch, wherein this switch is electrically connected on this drive circuit, can be positioned at this full power operation pattern or this electricity-saving operation mode in order to this drive circuit of direct control, so, the user can directly manually control this drive circuit select operating mode, is a more resilient control mode in fact.
According to another object of the present invention, a kind of control gear is proposed, except above-mentioned temperature sensing circuit and drive circuit, this control gear also includes an address setting device, wherein this address setting device is electrically connected between these a plurality of fans and this drive circuit, this address setting device in order to should be a plurality of fans set the address, and make this drive circuit be able to learn the operating condition of each fan by this address setting device, further comprise detecting fault number of fans and position.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is known schematic representation with electronic equipment of two kinds of different blower modules and a plurality of loads;
Fig. 2 A is the rotation speed of the fan of known blower module and the curve relation figure of ambient temperature;
Fig. 2 B is the rotation speed of the fan of another kind of known blower module and the curve relation figure of ambient temperature;
Fig. 3 is the schematic representation of the blower module of preferred embodiment of the present invention;
Fig. 4 is the rotation speed of the fan of blower module under the full power operation pattern and the curve relation figure of ambient temperature of preferred embodiment of the present invention;
Fig. 5 is the rotation speed of the fan of blower module under electricity-saving operation mode and the curve relation figure of ambient temperature of preferred embodiment of the present invention;
Fig. 6 is the schematic representation of the blower module of another preferred embodiment of the present invention.
[primary clustering symbol description]
1 electronic equipment
2 blower modules
3 blower modules
4 loads
5 blower modules
10 fans
20 control gear
21 temperature sensing circuits
22 drive circuits
23 switches
24 signalling devices
25 address setting devices
S
TempSensing signal
S
DriveThe fans drive signal
S
AlarmAlarm signal
t
1～t
11Temperature value
r
1～r
8Tachometer value
Embodiment
Please refer to Fig. 3, blower module 5 of the present invention mainly includes a plurality of fans 10 and a control gear 20, and this control gear 20 is electrically connected with these a plurality of fans 10, and this control gear 20 is in order to control the operating condition of these a plurality of fans 10 under the varying environment temperature.
These a plurality of fans 10 can be integrated in the framework (not shown), and the signaling line of each fan 10 and power line all are electrically connected to this control gear 20;
This control gear 20 mainly includes a temperature sensing circuit 21, one drive circuit 22 and a switch 23, wherein:
This temperature sensing circuit 21 includes a temperature transducer (not shown) at least, can be embodied as thermistor in the present embodiment, and this temperature transducer 21 is mainly in order to detecting the temperature of these a plurality of fan 10 environment of living in, and sends a sensing signal S according to this
Temp
This drive circuit 22 is electrically connected between these a plurality of fans 10 and this temperature sensing circuit 21, this drive circuit 22 should include one at least and drive the processor (not shown), and this driving processor can have a full power operation pattern (high power operate mode in the while; HP) and an electricity-saving operation mode (restricted power operate mode; RP) driver, the sensing signal S that this driving processor is mainly transmitted according to this temperature sensing circuit 21
TempTherefore, in this full power operation pattern or this electricity-saving operation mode, and can produce a fans drive signal S with selection operation
Drive, and these a plurality of fans 10 are done the control of different operation modes.In the present embodiment, this fans drive signal S
DriveCan be pulse width modulation signal (PulseWidth Modulation Signal).
This switch 23 is electrically connected on this drive circuit 22, be preferably one manual dial to cut close, this switch 23 is when opening, this drive circuit 22 receives a high potential signal, and this switch 23 is when cutting out, 22 of this drive circuits receive a low-potential signal; In the present embodiment, when this drive circuit 22 received this high potential signal, it operated under the full power operation pattern, and when this drive circuit 22 receives this low-potential signal, promptly operates under electricity-saving operation mode.
In the middle of present embodiment, this control gear 20 also includes a signalling device 24, this signalling device 24 is electrically connected between these a plurality of fans 10 and this drive circuit 22, and during fault on these a plurality of fans 10 turn round, this signalling device 24 can produce an alarm signal S
AlarmBeing sent to this drive circuit 22, and this drive circuit 22 can be according to this alarm signal S
AlarmWith this fans drive signal of modulation S
DriveFor example: in a blower module 5 with ten groups of fans 10, if when having two groups of fans 10 to break down, this drive circuit 22 can directly be made the modulation of full power operation pattern at all the other eight fans 10, and improve the rotating speed of these eight fans 10, to supply the radiating efficiency of this two faults fan 10.
Please consult shown in Figure 4ly again, in the present invention, when drive circuit 22 is in full power operation pattern following time, this drives processor can be according to sensing signal S
TempAnd make accurate temperature-rotation speed change, by seeing it among the figure, when the temperature of these a plurality of fan 10 environment of living in is lower than temperature t
4The time, this drive circuit 22 makes these a plurality of fans 10 run on a basic rotating speed r
3, and be increased to temperature t when the temperature of environment of living in
5The time, this drive circuit 22 will make the rotating speed of these a plurality of fans 10 draw high to a rotating speed r
4, and this moment is if temperature still continues to be increased to temperature t
7, then rotating speed will be drawn high to rotating speed r
5, but the lifting of these a plurality of fan 10 rotating speeds of Ruo Wenduyin and drop to temperature t
4The time, then the rotating speed of these a plurality of fans 10 can reduce to reply and is rotating speed r
3It should be noted that when if ambient temperature does not descend because of the lifting of the rotating speed of these a plurality of fans 10 then the rotating speed of these a plurality of fans 10 can be greater than temperature t
7And t
9In time, draw high respectively to rotating speed r
5And rotating speed r
6Otherwise,, if temperature has the temperature t of dropping in the way
6And t
8The time, then can return back to rotating speed r more respectively
4And rotating speed r
5Conspicuous, the present invention can set a plurality of nodes on temperature variation, and make the different rotating speed of these a plurality of fan 10 corresponding generations in response to these a plurality of nodes, temperature-rotating speed control by this multistage, can make this control gear 20 control the rotating speed of these a plurality of fans 10 more delicately, especially be applied to often change on the electronic equipment of live inserting and pulling load number brilliance that more can obvious its effect.
Please consult shown in Figure 5ly again, in the present invention, when drive circuit 22 is in electricity-saving operation mode following time, this drives processor can be according to this sensing signal S
TempAnd make the temperature-rotation speed change of two section type, wherein when these a plurality of fan 10 ambient temperatures of living in greater than temperature t
11The time, the rotating speed of these a plurality of fans 10 can be by rotating speed r originally
7Be increased to rotating speed r
8, if ambient temperature continues to raise, then the rotating speed of these a plurality of fans 10 is still kept rotating speed r
8, but if environment drops to temperature t because of the raising of these a plurality of fan 10 rotating speeds
10, then the decline that the rotating speed of these a plurality of fans 10 is also corresponding returns back to former rotating speed r
7Apparently, the two section type temperature-rotation speed change of the present invention under electricity-saving operation mode, because speed-changing that must be frequent not, so it is with closing the electronic equipment that load capacity is less or load number is more stable.
Please consult shown in Figure 6 again, another preferred embodiment of control gear 20 of the present invention, it also includes an address setting device 25, it is electrically connected between this drive circuit 22 and this a plurality of fans 10, this address setting device 25 can be in order to should respectively setting an address (address) by a plurality of fans 10, and this fans drive signal S that this drive circuit 22 can be produced
DriveAmplify and be converted to a plurality of independently fans drive signal S
Drive, thus, producing under the failure condition as any fan 10, this drive circuit 22 can see through this address setting device 25 and learn, and dispels the heat with support at a plurality of fans 10 speedups around this fault fan 10 immediately; Moreover, can a plurality of beacon (not shown) be set in addition according to its number of addresses in this address setting device 25, and its corresponding beacon sends caution when making arbitrary fan 10 faults, thus, the user can know the quantity and the position of learning fault fan 10, inspects one by one and needn't lose time.
The above only is exemplary, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the appending claims its equivalent modifications of carrying out or change.
Claims (15)
1. blower module, it includes:
A plurality of fans; And
One control gear, it includes:
One temperature sensing circuit in order to the temperature of these a plurality of fans of sensing environment of living in, and produces a sensing signal according to this; And
One drive circuit, be electrically connected between these a plurality of fans and this temperature sensing circuit, this drive circuit has a full power operation pattern and an electricity-saving operation mode simultaneously, therefore it selecting different operation modes, and produce a fans drive signal these a plurality of fans are done the control of different rotating speeds according to this sensing signal.
2. blower module as claimed in claim 1 is characterized in that: this a plurality of fans system is integrated in the framework, and the signaling line of these a plurality of fans and power line all are electrically connected to this control gear.
3. blower module as claimed in claim 1 is characterized in that: this temperature sensing circuit includes a temperature transducer.
4. blower module as claimed in claim 3 is characterized in that: this temperature transducer is a thermistor.
5. blower module as claimed in claim 1 is characterized in that: include one in this drive circuit and drive processor, it has the driver of this full power operation pattern and this electricity-saving operation mode in being.
6. blower module as claimed in claim 1 is characterized in that: this fans drive signal is a pulse width modulation signal.
7. blower module as claimed in claim 1, it is characterized in that: this control gear also includes a signalling device, this signalling device is electrically connected between these a plurality of fans and this drive circuit, when a fan wherein produces fault, this signalling device can produce an alarm signal being sent to this drive circuit, and makes this fans drive signal of this drive circuit modulation.
8. blower module as claimed in claim 1, it is characterized in that: this blower module is arranged in the electronic equipment, and can be provided with a plurality of loads in this electronic equipment, this drive circuit can be according to the difference of the different and heat that produces on these a plurality of load number, and does the switching of full power operation pattern and electricity-saving operation mode.
9. blower module as claimed in claim 8 is characterized in that: when the load capacity of this electronic equipment was stablized, this drive circuit system drove these a plurality of fans with electricity-saving operation mode.
10. blower module as claimed in claim 8 is characterized in that: when the load capacity of this electronic equipment changes when frequent, this drive circuit is with these a plurality of fans of full power operation mode activated.
11. blower module as claimed in claim 1, it is characterized in that: this control gear also includes an address setting device, it is electrically connected between this drive circuit and this a plurality of fans, this address setting device in order to should be a plurality of fans set the address, and make drive circuit be able to learn the operating condition of each fan by this address setting device.
12. blower module as claimed in claim 11 is characterized in that: also be provided with a plurality of beacons on this address setting device to correspond to this a plurality of fans, when arbitrary fan failure, its corresponding beacon can send caution.
13. blower module as claimed in claim 1 is characterized in that: this control gear also includes a switch, and it is electrically connected on this drive circuit, is positioned at this full power operation pattern or this electricity-saving operation mode in order to this drive circuit of direct control.
14. blower module as claimed in claim 13 is characterized in that: this switch is that the pass is cut in manual dialling.
15. a control gear, it is electrically connected on a plurality of fans, and this control gear includes:
One temperature sensing circuit in order to the temperature of these a plurality of fans of sensing environment of living in, and produces a sensing signal according to this; And
One drive circuit, be electrically connected between these a plurality of fans and this temperature sensing circuit, this drive circuit has a full power operation pattern and an electricity-saving operation mode simultaneously, therefore it selecting different operation modes, and produce a fans drive signal these a plurality of fans are done the control of different rotating speeds according to this sensing signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100678063A CN100400890C (en) | 2005-04-26 | 2005-04-26 | Fan module and its controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100678063A CN100400890C (en) | 2005-04-26 | 2005-04-26 | Fan module and its controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1854528A true CN1854528A (en) | 2006-11-01 |
| CN100400890C CN100400890C (en) | 2008-07-09 |
Family
ID=37194910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100678063A Active CN100400890C (en) | 2005-04-26 | 2005-04-26 | Fan module and its controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100400890C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101211205B (en) * | 2006-12-26 | 2010-05-19 | 联想(北京)有限公司 | Blade type server system and its radiation method |
| CN101281398B (en) * | 2007-04-05 | 2010-05-19 | 环达电脑(上海)有限公司 | Method and system for monitoring rotary speed signal of multiple fans |
| CN101192065B (en) * | 2006-11-20 | 2010-07-14 | 中兴通讯股份有限公司 | Heat radiating fan control device and method |
| CN101915246A (en) * | 2010-07-22 | 2010-12-15 | 中兴通讯股份有限公司 | Box-shaped network equipment and blower control method thereof |
| CN101354047B (en) * | 2007-07-25 | 2011-04-06 | 台达电子工业股份有限公司 | Fan system |
| CN101886802B (en) * | 2009-05-12 | 2012-03-21 | 建准电机工业股份有限公司 | Lamp |
| CN102478004A (en) * | 2010-11-22 | 2012-05-30 | 中兴通讯股份有限公司 | Full-automatic fan control method and device |
| 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 |
| CN105715573A (en) * | 2014-12-04 | 2016-06-29 | 京信通信系统（中国）有限公司 | Fan rotating speed control method and control device |
| CN112922866A (en) * | 2021-03-12 | 2021-06-08 | 新华三技术有限公司 | Fan control method, device and equipment |
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| US4988930A (en) * | 1990-04-25 | 1991-01-29 | Oberheide George C | Plural motor fan system with improved speed control |
| US5990582A (en) * | 1997-05-13 | 1999-11-23 | Micron Electronics, Inc. | Computer fan speed control device |
| US6368064B1 (en) * | 2000-12-01 | 2002-04-09 | 3Com Corporation | Apparatus and method of providing redundant power and redundant fan speed control to a plurality of fans |
| US6396231B1 (en) * | 2001-02-14 | 2002-05-28 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan motor having two-stage speed control |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192065B (en) * | 2006-11-20 | 2010-07-14 | 中兴通讯股份有限公司 | Heat radiating fan control device and method |
| CN101211205B (en) * | 2006-12-26 | 2010-05-19 | 联想(北京)有限公司 | Blade type server system and its radiation method |
| CN101281398B (en) * | 2007-04-05 | 2010-05-19 | 环达电脑(上海)有限公司 | Method and system for monitoring rotary speed signal of multiple fans |
| CN101354047B (en) * | 2007-07-25 | 2011-04-06 | 台达电子工业股份有限公司 | Fan system |
| CN101886802B (en) * | 2009-05-12 | 2012-03-21 | 建准电机工业股份有限公司 | Lamp |
| CN101915246A (en) * | 2010-07-22 | 2010-12-15 | 中兴通讯股份有限公司 | Box-shaped network equipment and blower control method thereof |
| WO2012009879A1 (en) * | 2010-07-22 | 2012-01-26 | 中兴通讯股份有限公司 | Cassette network device and fan control method thereof |
| CN102478004A (en) * | 2010-11-22 | 2012-05-30 | 中兴通讯股份有限公司 | Full-automatic fan control method and device |
| WO2012068916A1 (en) * | 2010-11-22 | 2012-05-31 | 中兴通讯股份有限公司 | Control method and device for full-automatic fan |
| CN102478004B (en) * | 2010-11-22 | 2015-09-16 | 中兴通讯股份有限公司 | Full-automatic fan control method and device |
| 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 |
| CN105715573A (en) * | 2014-12-04 | 2016-06-29 | 京信通信系统（中国）有限公司 | Fan rotating speed control method and control device |
| CN105715573B (en) * | 2014-12-04 | 2017-11-10 | 京信通信系统（中国）有限公司 | A kind of fan rotational frequency control method and control device |
| CN112922866A (en) * | 2021-03-12 | 2021-06-08 | 新华三技术有限公司 | Fan control method, device and equipment |
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| Publication number | Publication date |
|---|---|
| CN100400890C (en) | 2008-07-09 |
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