CN1869946A - Multi-fan identification system and its control method - Google Patents
Multi-fan identification system and its control method Download PDFInfo
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- CN1869946A CN1869946A CN 200510073798 CN200510073798A CN1869946A CN 1869946 A CN1869946 A CN 1869946A CN 200510073798 CN200510073798 CN 200510073798 CN 200510073798 A CN200510073798 A CN 200510073798A CN 1869946 A CN1869946 A CN 1869946A
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Abstract
A method for controlling multifan utilizes a control device with specification parameter table of multiple fan to operate fan having identifiability and enables to work out relevant specification parameter table as per identifiability of fan to operate new fan when new fan is replaced on.
Description
Technical field
The present invention particularly uses a plurality of fan characteristics, at least one fan and a condition discriminating apparatus to increase the convenience of changing fan relevant for a kind of multi-fan identification system and control method thereof.
Background technology
At present the central processing unit of main flow has all adopted 130 nanometers (nm, nanometer) or the process technique of 90 nanometers, but because central processing unit at a high speed is made up of many transistors, therefore, its degree of heat central processing unit has more in the past exceeded many.Now, the above central processing unit of 1GHz nearly all has tens of watts power, and high consumed power like this directly causes the surge of central processing unit thermal value.Especially in summer of high temperature, or under nonventilated environment, if do not take good cooling measure, and a large amount of heat energy that central processing unit is produced are derived, and central processing unit is inner can to produce the phenomenon of electron transfer, causes central processing unit to wear out and damages even, burns, and have influence on other computer-internal part, therefore, the fan that radiating effect is good will have very important effect for the radiating effect of computing machine integral body.As disclosing a kind of radiator fan structure of tool temperature inductor in the known patent, this fan structure comprises: a shell block, and it is provided with a seat board, and this seat board is established an induction window; One fan, its central tool one wheel hub is in its ccontaining this shell block and be fixed on the seat board; And a temperature inductor, its be arranged on this fan and through the induction window of the set seat board of this shell block corresponding to pyrotoxin so that correctly detect the temperature of actual thermal source, adjust the rotating speed of this fan again according to this temperature; In case when producing temperature variation on this heat radiator, this temperature inductor can directly detect and determine to adjust the rotating speed of this fan.
Yet, the radiator fan structure of above-mentioned tool temperature inductor is carried out very important heat sinking function, because of its powerful heat sinking function will produce great noise relatively, and more be powerful radiator fan, its noise level more makes us being difficult to stand, caused the puzzlement of user on computing machine uses, therefore, another kind of take into account usefulness and the comfortable control method for fan of user have appearred, as having disclosed a kind of method by rotation speed of the fan controlling noise value in another known patent, the method comprises the following steps: to obtain a blower module; Obtain the corresponding relation of a tachometer value of the temperature of a thermal source and this blower module, and this tachometer value of this blower module and the corresponding relation of level of noise; Draw the graph of a relation of this tachometer value of the temperature of this thermal source and this blower module, and this tachometer value of this blower module and the graph of a relation of level of noise; Obtain a temperature control figure; Draw this temperature control figure on the graph of a relation of this tachometer value of the temperature of this thermal source and this blower module, and an intersection point; Obtain the rotating speed interval and the temperature range of this blower module of the tolerable level of noise scope correspondence that the institute desire sets, and it is drawn on the graph of a relation of the temperature of this thermal source and this blower module tachometer value; Confirm that this intersection point falls in this rotation speed of the fan interval and temperature range of this tolerable level of noise correspondence; Reach this temperature control figure and be the temperature control figure of being asked, and the parameter of this temperature control figure is arranged in this fan.
Yet, for manufacturer, with a collection of computing mechanism journey the time, because of the employed fan characteristics of computing machine internal fan all needs consistent, so need to buy the fan of same specification, if because of the shortage of the fan source of goods or consider that the fan price factor must be when adopting the fan of different size with a collection of computing machine, with the difficulty that causes on the processing procedure, even cause by the gross that computing machine yield and usefulness subtract greatly, make manufacturer's reputation impaired.In addition, for the user, when needing to change as if or damage not good because of original fan effect in the computing machine, because the fan of original single specification of can only arranging in pairs or groups in the computing machine, so the user can only seek and the identical fan of original fan specification everywhere, the inconvenience that causes the user to replace with, and if can't search out when using the new fan of different size with the identical fan of original fan specification, new fan original fan characteristics of can't arranging in pairs or groups then may appear, and cause heat dissipation uncontrollable, it is whole and cause secret worry on safe in utilization further to endanger computing machine.
Be relevant to fan that computing machine internal fan systematic unity uses single specification in the known technology with the corresponding single fan characteristics of arranging in pairs or groups, change the situation that is different from original fan for computing machine internal fan now because of processing procedure or user demand total solution comprehensively but possibly can't be provided.Therefore, provide a kind of perfect fan system and method to have very active demand.
Summary of the invention
Fundamental purpose of the present invention is to provide manufacturer and the user can be when the computing machine internal fan is changed because of demand, have multiple different size fan for you to choose, take into account simultaneously and change convenience and industrial competitiveness, to bring into play the computing machine internal fan in the economic benefit that reaches on the processing procedure on using.
Another object of the present invention is to provide the user to adjust the fan user mode, and under suitable situation, obtain the best user mode that computing machine and fan are arranged in pairs or groups mutually according to environment.
The present invention is relevant for a kind of multi-fan identification system and control method thereof, wherein, this multi-fan identification system includes at least one fan, in order to heat sinking function to be provided, wherein, this fan condition discriminating apparatus of arranging in pairs or groups, this condition discriminating apparatus can be fan control pin position (Pin), resistance value, logical circuit etc.; An and control device, loosing with this wind, fan has electrical connection and storer has a plurality of fan characteristics, this fan characteristics is in order to control the running of this fan, wherein, this condition discriminating apparatus provides this control device to distinguish each fan, and then make this control device can pass through this condition discriminating apparatus, and to selecting this fan characteristics to control this fan by fan with this fan of identification.
In addition, this control device can arrange in pairs or groups a sound transducer and a temperature sensor, wherein, this microphone and this control device electrically connect, in order to the intensity of sound of measurement environment, this temperature sensor and this control device have electrical connection, in order to measure the temperature of a processor, wherein, this control device can be controlled the calculation process speed of this processor.
The present invention more provides a kind of multi-fan identification system control method, apply to this multi-fan identification system, wherein, this multi-fan identification system control method at first this control device this device for identifying by this fan to recognize this fan, read in the fan characteristics of this control device by storer and the corresponding fan characteristics of this fan subsequently, confirm that then whether setting this multi-fan identification system is silent mode; If not silent mode, then read the temperature of processor that this temperature sensor measures by this control device, choose in the fan characteristics of this control device by correspondence at last and the corresponding fan control of this temperature sensor institute measuring temperature, and comply with corresponding fan control to operate this fan; If this multi-fan identification system is made as silent mode, then this control device is chosen fan control with minimum intensity of sound by the fan characteristics of correspondence, and according to the fan control of minimum intensity of sound to operate this fan, read the intensity of sound that this sound transducer measures by this control device again, whether the intensity of sound that check to measure is in a preset range, if outside preset range, then will reduce by a fixed rotating speed to reduce the rotating speed of this fan at every turn, and repeat above-mentioned intensity of sound inspection and rotation speed of the fan and reduce, up to the intensity of sound that measures in a preset range; Then this control device reads the temperature that this temperature sensor measures, and check that temperature that this temperature sensor measures is whether within a setting range, if outside setting range, then will reduce at every turn one fixedly arithmetic speed to reduce the calculation process speed of this processor, and repeat the above-mentioned temperature inspection and the reduction of calculation process speed, up to the temperature that measures in preset range.
Be familiar with this skill personage and understand purpose of the present invention, feature and effect for making, now by following specific embodiment, and the accompanying drawing shown in cooperating, the present invention is illustrated in detail as the back:
Description of drawings
Fig. 1 is the calcspar of a preferred embodiment of the present invention;
Fig. 2 A is the first fan characteristics of a preferred embodiment of the present invention;
Fig. 2 B is the second fan characteristics of a preferred embodiment of the present invention;
Fig. 3 is the process flow diagram one of a preferred embodiment of the present invention.
Fig. 4 is the flowchart 2 of a preferred embodiment of the present invention.
Symbol description among the figure:
100 multi-fan identification systems
110 first fans
120 first resistance
140 little processing and control element (PCE)s
150 microphones
160 temperature sensors
170 central processing units
S100 identification fan
S120 reads the corresponding fan characteristics of fan
Whether S140 is made as silent mode
S150 is by choosing minimum intensity of sound in the fan characteristics with the control fan
S160 measures central processor temperature
S170 measures volume whether in preset range
S180 is by the fan control of choosing the measuring temperature correspondence in the fan characteristics
S190 reduces rotation speed of the fan
Whether the S210 measuring temperature is in preset range
S230 reduces the central processing unit arithmetic speed
Embodiment
See also shown in Fig. 1, Fig. 2 A and Fig. 2 B, Fig. 1 is the calcspar of a preferred embodiment of the present invention, and Fig. 2 A is the first fan characteristics of a preferred embodiment of the present invention, and Fig. 2 B is the second fan characteristics of a preferred embodiment of the present invention.The invention provides a kind of multi-fan identification system 100, include one first fan 110 and a little processing and control element (PCE) (MCU, Microprocessor Control Unit) 140, wherein, this first fan, 110 collocation, one first resistance 120; This little processing and control element (PCE) 140 has electrical connection with this first fan 110, and storer has one first fan characteristics and one second fan characteristics (seeing also Fig. 2 A and Fig. 2 B), this little processing and control element (PCE) 140 can use this first fan characteristics to control the running of this first fan 110, and this little processing and control element (PCE) 140 can use this second fan characteristics to control the running of one second fan (not shown), wherein, the magnitude of voltage that this little processing and control element (PCE) 140 can be produced by this first resistance 120 is with this first fan 110 of identification, select again to read and this first fan 110 corresponding these first fan characteristics, use this first fan characteristics to control the start of this first fan 110.
In addition, this little processing and control element (PCE) 140 can arrange in pairs or groups a microphone (Microphone) 150 and a temperature sensor 160, wherein, this microphone 150 electrically connects with this little processing and control element (PCE) 140, in order to measure intensity of sound, and the signal of the intensity of sound of measured gained is sent to this little processing and control element (PCE) 140, this temperature sensor 160 has electrical connection with this little processing and control element (PCE) 140, in order to measure a central processing unit (CPU, Central ProcessingUnit) 170 temperature, and the signal of the temperature of measurement gained is sent to this little processing and control element (PCE) 140, wherein, this central processing unit 170 has electrical connection with this little processing and control element (PCE) 140, and this little processing and control element (PCE) 140 can be controlled the calculation process speed of this central processing unit 170.
In addition, the present invention more provides a kind of multi-fan identification system control method, sees also Fig. 3, and Fig. 3 is the process flow diagram one of a preferred embodiment of the present invention.This multi-fan identification system control method can apply in this multi-fan identification system 100, and the magnitude of voltage that this multi-fan identification system control method is at first produced by this little processing and control element (PCE) 140 this first resistance 120 by this first fan 110 is with this first fan 110 (S100) of identification; Read in the fan characteristics of this little processing and control element (PCE) 140 by storer subsequently and this first fan 110 corresponding these first fan characteristics (S120); Then check whether this multi-fan identification system 100 is set at silent mode (S140), this silent mode with intensity of sound that this microphone was measured 30 decibels (dB, decibel) following is example; If not silent mode then reads these central processing unit 170 temperature (S160) that this temperature sensor 160 is measured by this little processing and control element (PCE) 140, these central processing unit 170 temperature that measured at this this temperature sensor 160 are example with 55 ℃; This little processing and control element (PCE) 140 is by the 55 ℃ of corresponding rotation speed of the fan 3000rpm of these central processing unit 170 temperature (revolutions per minute) that choose in this first fan characteristics Yu measured at last, and this little processing and control element (PCE) 140 is controlled this first fan 110 to reach in this first fan characteristics and 55 ℃ of corresponding rotation speed of the fan 3000rpm of measuring temperature (S180); As shown in Figure 4, Fig. 4 is the flowchart 2 of a preferred embodiment of the present invention, if silent mode, then this little processing and control element (PCE) 140 is by choosing in this first fan characteristics and 27 decibels of corresponding rotation speed of the fan 2800rpm of minimum intensity of sound, and this little processing and control element (PCE) 140 is controlled this first fan 110 to reach in this first fan characteristics and 27 decibels of corresponding rotation speed of the fan 2800rpm of minimum intensity of sound (S150); This little processing and control element (PCE) 140 of cause reads the intensity of sound that this microphone 150 is measured again, and measuring intensity of sound that this microphone 150 measured whether within a preset range (below 30 decibels) (S170), the intensity of sound that is measured at this this microphone 150 is an example with 31 decibels; Because in this example, the intensity of sound that this microphone 150 is measured surpasses 30 decibels that silent mode sets for 31 decibels, so this little processing and control element (PCE) 140 will reduce a fixed rotating speed (is example with each minimizing 100rpm at this) of this first fan 110 at every turn, with the rotating speed (S190) that reduces this first fan 110, repeat above-mentioned steps S170 and S190 subsequently, the intensity of sound that is measured up to this microphone 150 silent mode set below 30 decibels; Then this little processing and control element (PCE) 140 reads the temperature that this temperature sensor 160 is measured, and whether (S210) measuring temperature that this temperature sensor 160 measured (is below 60 ℃ in the present embodiment preset range) within the preset range, the temperature that is measured at this this temperature sensor 160 is an example with 65 ℃; Because in this example, the temperature that this temperature sensor 160 is measured surpasses 60 ℃ that preset range sets for 65 ℃, so this little processing and control element (PCE) 140 will reduce at every turn this central processing unit 170 one fixedly calculation process speed (is example with each minimizing 0.1GHz at this) to reduce the calculation process speed (S230) of this central processing unit 170, repeat above-mentioned steps S210 and S230 subsequently, the temperature that is measured up to this temperature sensor 160 preset range set below 60 ℃, just finish all control flows.
In addition, when this multi-fan identification system replacing is connected to second fan, can reach the fan control of different size equally via above-mentioned framework and method.
The person of noting, above-mentioned condition discriminating apparatus is an example with this first resistance 120, yet in implementing this first resistance 120 can use any should little processing and control element (PCE) 140 cognizable devices replacements, all not having as the control pin position of logical circuit, fan etc. can not.In addition, the heat power supply device that this first fan 110 is arranged in pairs or groups is an example with this central processing unit 170, yet the heat power supply device that can use any this little processing and control element (PCE) 140 can downgrade heat production speed in implementing replaces, and all not having as motor, compressor, processor etc. can not.
In sum, because multi-fan identification system of the present invention and control method thereof have a plurality of fan characteristics in the control device storer, therefore can avoid the known fan of only the using single specification single fan characteristics of arranging in pairs or groups to cause the inconvenience of fan replacement to user institute.Simultaneously, more can enlarge the alternative of manufacturer's plurality of specifications fan source of goods when processing procedure, and then reduce production costs, effectively promote industrial competitiveness.Therefore, multi-fan identification system of the present invention and control method thereof can increase the convenience that fan is replaced, reduce production costs, take into account simultaneously and change convenience and industrial competitiveness, make that the economic benefit of fan is brought into play fully, so the present invention has progressive and meets the important document of applying for patent of invention.
Below the present invention is described in detail, the above only is a preferred embodiment of the present invention, when not limiting scope of the invention process.Be that all equalizations of doing according to the present patent application scope change and modify etc., all should still belong in the patent covering scope of the present invention.
Claims (12)
1. a multi-fan identification system is characterized in that, includes:
One heat abstractor has an at least one fan and a condition discriminating apparatus; And
One control device, has electrical connection with this heat abstractor and storer has a plurality of fan characteristics, this fan characteristics is in order to control the running of this fan, wherein, this control device can pass through this condition discriminating apparatus with this fan of identification, and to selecting this fan characteristics to control this fan by fan.
2. multi-fan identification system as claimed in claim 1 is characterized in that, this control device is at least one little processing and control element (PCE).
3. multi-fan identification system as claimed in claim 1 is characterized in that, this condition discriminating apparatus can be one of them: resistance, logical circuit, fan control pin position.
4. multi-fan identification system as claimed in claim 1 is characterized in that, this control device heat power supply device of can arranging in pairs or groups, and can be by this control device to control the heat production speed of this heat power supply device.
5. multi-fan identification system as claimed in claim 1 is characterized in that, this control device sound transducer of can arranging in pairs or groups.
6. multi-fan identification system as claimed in claim 1 is characterized in that, this control device temperature sensor of can arranging in pairs or groups.
7. a multi-fan identification system control method applies to a multi-fan identification system, and this multi-fan identification system includes a heat abstractor, has an at least one fan and a condition discriminating apparatus; An and control device, has electrical connection with this heat abstractor and storer has a plurality of fan characteristics, this fan characteristics is in order to control the running of this fan, and this control device can be by this condition discriminating apparatus with this fan of identification, and to selecting this fan characteristics to control this fan by fan, it is characterized in that this multi-fan identification system control method includes:
One identification step is for this control device passes through this condition discriminating apparatus with this fan of identification;
One read step is for this control device reads and corresponding this fan characteristics of this fan;
One operation steps, utilization and corresponding this fan specification ginseng table of this fan are to control the running of this fan.
8. multi-fan identification system control method as claimed in claim 7 is characterized in that, can comprise a measuring temp step between this read step and this operation steps, and this measuring temp step is for using a temperature sensor to measure the temperature of a heat power supply device.
9. multi-fan identification system control method as claimed in claim 8, it is characterized in that, this operation steps can comprise a temperature controlling step, this temperature controlling step be this control device by with corresponding this fan characteristics of this fan in, choose with this temperature sensor and measure the corresponding rotation speed of the fan control of this heat power supply device temperature, and control to operate this fan according to this rotation speed of the fan.
10. multi-fan identification system control method as claimed in claim 7, it is characterized in that, can comprise a quiet setting step between this read step and this operation steps, this quiet setting step is that this control device is by advising in parameter list with corresponding this fan of this fan, choose and the fan corresponding rotation speed of the fan control of loudness of a sound degree in a low voice, and control to operate this fan according to this rotation speed of the fan.
11. multi-fan identification system control method as claimed in claim 10, it is characterized in that, this operation steps can comprise a volume controlled step, this volume controlled step is adjusted the running of this fan for this control device, receives intensity of sound that a sound transducer measured in a default volume range up to this control device.
12. multi-fan identification system control method as claimed in claim 11, it is characterized in that, this operation steps can comprise a temperature balance step, this temperature balance step is adjusted the running of a heat power supply device for this control device, receives temperature that a temperature sensor measured in a preset temperature range up to this control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100737983A CN100410892C (en) | 2005-05-24 | 2005-05-24 | Multi-fan identification system and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100737983A CN100410892C (en) | 2005-05-24 | 2005-05-24 | Multi-fan identification system and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN1869946A true CN1869946A (en) | 2006-11-29 |
| CN100410892C CN100410892C (en) | 2008-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100737983A Expired - Fee Related CN100410892C (en) | 2005-05-24 | 2005-05-24 | Multi-fan identification system and its control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278321A (en) * | 2010-06-11 | 2011-12-14 | 英业达股份有限公司 | Fan rotating speed control method |
| CN102434475A (en) * | 2010-09-29 | 2012-05-02 | 雅达电子国际有限公司 | Delayed execution and automated model detection for air moving devices |
| CN103133385A (en) * | 2011-12-02 | 2013-06-05 | 技嘉科技股份有限公司 | Fan shape judging and controlling method and fan universal control system |
| CN103294143A (en) * | 2012-03-02 | 2013-09-11 | 鸿富锦精密工业（深圳）有限公司 | Cooling system |
| CN103644136A (en) * | 2013-12-24 | 2014-03-19 | 华为技术有限公司 | Fan control system, system management device and fans |
| CN108959018A (en) * | 2017-05-24 | 2018-12-07 | Nzxt股份有限公司 | Fan-status control device |
| US11402883B2 (en) * | 2019-11-12 | 2022-08-02 | Dell Products L.P. | System and method for dynamic fan control in an information handling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5249741A (en) * | 1992-05-04 | 1993-10-05 | International Business Machines Corporation | Automatic fan speed control |
| US5436827A (en) * | 1994-06-30 | 1995-07-25 | Tandem Computers Incorporated | Control interface for customer replaceable fan unit |
| JP3250001B2 (en) * | 1995-06-09 | 2002-01-28 | 株式会社クボタ | Noise reduction device for enclosed engine |
| CN2472264Y (en) * | 2000-11-14 | 2002-01-16 | 建准电机工业股份有限公司 | Fun motor with speed control by microprocess system |
| CN1220925C (en) * | 2002-08-07 | 2005-09-28 | 联想(北京)有限公司 | Method and device for closed-loop controlling cooling fan rotation speed according to CPU temperature |
| 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 |
| CN2622753Y (en) * | 2002-12-31 | 2004-06-30 | 蔡宗彦 | Multi-mode regulation and display device of rediating fan of computer power source |
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2005
- 2005-05-24 CN CNB2005100737983A patent/CN100410892C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278321A (en) * | 2010-06-11 | 2011-12-14 | 英业达股份有限公司 | Fan rotating speed control method |
| CN102278321B (en) * | 2010-06-11 | 2015-03-25 | 英业达股份有限公司 | Fan rotating speed control method |
| CN102434475A (en) * | 2010-09-29 | 2012-05-02 | 雅达电子国际有限公司 | Delayed execution and automated model detection for air moving devices |
| CN102434475B (en) * | 2010-09-29 | 2016-01-20 | 雅达电子国际有限公司 | For delay execution and the automodel detection of ventilation equipment |
| CN103133385A (en) * | 2011-12-02 | 2013-06-05 | 技嘉科技股份有限公司 | Fan shape judging and controlling method and fan universal control system |
| CN103133385B (en) * | 2011-12-02 | 2016-06-29 | 技嘉科技股份有限公司 | Fan shape judging and controlling method and fan universal control system |
| CN103294143A (en) * | 2012-03-02 | 2013-09-11 | 鸿富锦精密工业（深圳）有限公司 | Cooling system |
| CN103644136A (en) * | 2013-12-24 | 2014-03-19 | 华为技术有限公司 | Fan control system, system management device and fans |
| CN103644136B (en) * | 2013-12-24 | 2016-03-02 | 华为技术有限公司 | A kind of fan control system, system administration manager and fan |
| CN108959018A (en) * | 2017-05-24 | 2018-12-07 | Nzxt股份有限公司 | Fan-status control device |
| US11402883B2 (en) * | 2019-11-12 | 2022-08-02 | Dell Products L.P. | System and method for dynamic fan control in an information handling system |
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|---|---|
| CN100410892C (en) | 2008-08-13 |
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