CN110043499A - A kind of intelligent fan speed regulation device - Google Patents
A kind of intelligent fan speed regulation device Download PDFInfo
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- CN110043499A CN110043499A CN201910289356.4A CN201910289356A CN110043499A CN 110043499 A CN110043499 A CN 110043499A CN 201910289356 A CN201910289356 A CN 201910289356A CN 110043499 A CN110043499 A CN 110043499A
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- Prior art keywords
- fan
- speed regulation
- fan area
- temperature sensor
- area
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of intelligent fan speed regulation device, multiple temperature sensors are corresponded to multiple fan areas and carry out differentiation speed regulation by baseboard management controller, each described temperature sensor and any of the multiple fan area are associated using speed regulation algorithm.The intelligent fan speed regulation device greatly promotes the energy efficiency indexes energy of machine, saves electric power resource, more environmentally-friendly;And Duct design can be optimized according to the actual demand of machine;In addition, the noise of machine is smaller, user experience is more preferable.
Description
Technical field
The present invention relates to computer fan technical field of heat dissipation, it particularly relates to a kind of intelligent fan speed regulation device.
Background technique
Current server heat dissipation speed regulation is to control fan by multiple temperature sensor polymerization temperatures mostly, can not be accomplished
Corresponding multiple fan areas carry out differentiation speed regulation algorithm to multiple temperature sensors simultaneously.
In actual heat dissipation speed regulation optimization, Partial key sensor all has an impact to all fan areas, different fans
The heat dissipation speed regulation algorithm or speed regulation parameter used at area's (such as in server intake air temperature) is all variant.
Temperature sensor and fan area are usually many-one tie-in mode in the prior art, i.e., multiple temperature sensors are corresponding
One fan area does not accomplish that multiple temperature sensors correspond to the independent partitions shaping modes of multiple fan areas.Many-one binding
Mode speed regulation is simple, and heat dissipation engineer is easier to obtain radiation parameter, because of multiple rotation speed of the fan in each fan area
Unanimously, basic not have to consider interfering with each other between fan.But equipment generally only has section components to need in most cases
High revolving speed cooling, many-to-one tie-in mode can then transfer all fans in a fan area, cause the tight of electric power resource
It wastes again, while noise is also very big.
In contrast, the speed-regulating mode of multi-to-multi needs to consider the division of labor of different FAN Zone, and difference FAN Zone
Between because wind pressure caused by the difference of rotation speed of the fan influences each other problem, test adjust it is more complex, than relatively time-consuming.In the time
Tightly, in the case where task weight, from the adjustable angle of heat dissipation engineer, many-to-one binding speed-regulating mode generally can all be selected.
In view of the above problems in the related art, currently no effective solution has been proposed.
Summary of the invention
In view of the above problems in the related art, the present invention proposes a kind of intelligent fan speed regulation device, can save electric power
Resource reduces the noise of machine.
The technical scheme of the present invention is realized as follows:
According to an aspect of the invention, there is provided a kind of intelligent fan speed regulation device, baseboard management controller will be multiple
Temperature sensor corresponds to multiple fan areas and carries out differentiation speed regulation, each described temperature sensor and the multiple fan area
Any of it is associated using speed regulation algorithm.
According to one embodiment of present invention, any of a temperature sensor and the multiple fan area are adopted
It is associated with one in linear speed regulation algorithm, open loop speed regulation algorithm, closed loop PID speed regulation algorithm.
According to one embodiment of present invention, the multiple temperature sensor includes the first temperature sensor, second temperature
Sensor, third temperature sensor and the 4th temperature sensor, the multiple fan area include the first fan area, the second fan area
With third fan area.
According to one embodiment of present invention, under the linear speed regulation algorithm, first temperature sensor is used
Zone1pwm1=a1*x1+b1 mode computation acts on the first pulse width modulation (PWM) duty ratio of the first fan area, wherein
Zone1pwm1 indicates that the first PWM duty cycle of the first fan area, a1 and b1 are constant, and x1 indicates that the first temperature sensor is examined
The temperature of survey;
The second temperature sensor acts on the second of the first fan area with zone1pwm2=a2*x2+b2 mode computation
PWM duty cycle, wherein zone1pwm2 indicates that the second PWM duty cycle of the first fan area, a2 and b2 are constant, and x2 indicates second
Temperature sensor temperature detected;
The third temperature sensor acts on the third of the first fan area with zone1pwm3=a3*x3+b3 mode computation
PWM duty cycle, wherein zone1pwm3 indicates that the third PWM duty cycle of the first fan area, a3 and b3 are constant, and x3 indicates third
Temperature sensor temperature detected;
4th temperature sensor acts on the 4th of the first fan area with zone1pwm4=a4*x4+b4 mode computation
PWM duty cycle, wherein zone1pwm4 indicates that the 4th PWM duty cycle of the first fan area, a4 and b4 are constant, and x4 indicates the 4th
Temperature sensor temperature detected;
First fan area according to the first PWM duty cycle of first fan area, first fan area second
PWM duty cycle, the third PWM duty cycle of first fan area, first fan area the 4th PWM duty cycle in maximum
It is worth and rotational speed regulation is carried out to the fan in first fan area.
In intelligent fan speed regulation device provided in an embodiment of the present invention, any temperature sensor can and it is one or more
Fan area is associated using similar and different algorithm, and is independent of each other each other.When using intelligent fan tune as above
When speed variator, there is a following benefit: first, the energy efficiency indexes energy of machine is greatly promoted, electric power resource is saved, it is more environmentally-friendly;Second,
Duct design can be optimized according to the actual demand of machine;The noise of third, machine is smaller, and user experience is more preferable.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the correspondence diagram of temperature sensor 10 and fan area 20 according to an embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, provide a kind of intelligent fan speed regulation device, baseboard management controller is by multiple temperature
It spends sensor 10 and corresponds to multiple fan areas 20 and carry out differentiation speed regulation, in each temperature sensor 10 and multiple fan areas 20
Either one or two of it is associated using speed regulation algorithm.
In intelligent fan speed regulation device provided in an embodiment of the present invention, any temperature sensor 10 can be with one or more
A fan area 20 is associated using similar and different algorithm, and is independent of each other each other.When using intelligent wind as above
When fanning speed regulation device, there is a following benefit: first, the energy efficiency indexes energy of machine is greatly promoted, electric power resource is saved, it is more environmentally-friendly;
Second, Duct design can be optimized according to the actual demand of machine;The noise of third, machine is smaller, and user experience is more preferable.
In various embodiments, any of a temperature sensor 10 and multiple fan areas 20 are calculated using linear speed regulation
Method, open loop adjust the speed algorithm, closed loop PID is adjusted the speed in algorithm one is associated.Pass through the different algorithm of synthesis and different speed regulation
Strategy is finally reached the function of independent partitions speed regulation, realizes energy-efficient purpose.
In one embodiment, multiple temperature sensors 10 include the first temperature sensor, second temperature sensor, third
Temperature sensor and the 4th temperature sensor, multiple fan areas 20 include the first fan area, the second fan area and third fan area.
Fig. 1 is the correspondence diagram of temperature sensor 10 and fan area 20 according to an embodiment of the invention.
Specifically, being used as multiple temperature sensors 10 at BMC (Baseboard Manager Controller baseboard management controller)
Node corresponds to the realization entity of the intelligent fan speed regulation algorithm of multiple fan areas 20.Each temperature sensor 10 can belong to
In multiple fan areas 20, belong to many-to-many relationship between temperature sensor 10 and fan area 20.As shown in Figure 1, left side is 4 temperature
Sensor 10 is spent, right side is 3 fan areas 20, and each fan area 20 is made of 2 fans.Any one of left side temperature sensor
10 can be associated with any one fan area 20 on right side simultaneously, and can use different algorithm or parameter.
Under linear speed regulation algorithm, the first temperature sensor acts on zone1pwm1=a1*x1+b1 mode computation
First pulse width modulation (PWM) duty ratio of one fan area, wherein zone1pwm1 indicates the first PWM duty of the first fan area
Than a1 and b1 are constant, and x1 indicates the first temperature sensor temperature detected;
Second temperature sensor acts on the 2nd PWM of the first fan area with zone1pwm2=a2*x2+b2 mode computation
Duty ratio, wherein zone1pwm2 indicates that the second PWM duty cycle of the first fan area, a2 and b2 are constant, and x2 indicates the second temperature
Spend sensor temperature detected;
Third temperature sensor acts on the 3rd PWM of the first fan area with zone1pwm3=a3*x3+b3 mode computation
Duty ratio, wherein zone1pwm3 indicates that the third PWM duty cycle of the first fan area, a3 and b3 are constant, and x3 indicates third temperature
Spend sensor temperature detected;
4th temperature sensor acts on the 4th PWM of the first fan area with zone1pwm4=a4*x4+b4 mode computation
Duty ratio, wherein zone1pwm4 indicates that the 4th PWM duty cycle of the first fan area, a4 and b4 are constant, and x4 indicates the 4th temperature
Spend sensor temperature detected;
First fan area is according to the first PWM duty cycle of the first fan area, the second PWM duty cycle of the first fan area,
Maximum value in the third PWM duty cycle of one fan area, the 4th PWM duty cycle of the first fan area is to the wind in the first fan area
Fan carries out rotational speed regulation.
In conclusion the present invention is able to satisfy multiple 10 nodes of temperature sensor by means of above-mentioned technical proposal of the invention
The differentiation of corresponding multiple fan areas 20 adjusts the speed algorithm.The intelligent speed-regulating algorithm is adapted to rack server and whole machine cabinet server
Heat dissipation speed regulation or other systems for being adapted to multiple 10 nodes of temperature sensor and multiple fan areas 20 adjust the speed.Also, work as
When using intelligent fan speed regulation device as above, the energy efficiency indexes for improving machine can save electric power resource, more ring significantly
It protects;Duct design can also be optimized according to the actual demand of machine;The noise of machine is smaller, and user experience is more preferable.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of intelligent fan speed regulation device, which is characterized in that baseboard management controller corresponds to multiple temperature sensors more
A fan area carries out differentiation speed regulation, and any of each described temperature sensor and the multiple fan area are using speed regulation
Algorithm is associated.
2. intelligent fan speed regulation device according to claim 1, which is characterized in that a temperature sensor with it is described
Any of multiple fan areas are using a correlation in linear speed regulation algorithm, open loop speed regulation algorithm, closed loop PID speed regulation algorithm
Connection.
3. intelligent fan speed regulation device according to claim 2, which is characterized in that the multiple temperature sensor includes the
One temperature sensor, second temperature sensor, third temperature sensor and the 4th temperature sensor, the multiple fan area include
First fan area, the second fan area and third fan area.
4. intelligent fan speed regulation device according to claim 3, which is characterized in that under the linear speed regulation algorithm, institute
State the first pulse width tune that the first temperature sensor acts on the first fan area with zone1pwm1=a1*x1+b1 mode computation
PWM duty cycle processed, wherein zone1pwm1 indicates the first PWM duty cycle of the first fan area, and a1 and b1 are constant, and x1 indicates the
One temperature sensor temperature detected;
The second temperature sensor acts on the 2nd PWM of the first fan area with zone1pwm2=a2*x2+b2 mode computation
Duty ratio, wherein zone1pwm2 indicates that the second PWM duty cycle of the first fan area, a2 and b2 are constant, and x2 indicates the second temperature
Spend sensor temperature detected;
The third temperature sensor acts on the 3rd PWM of the first fan area with zone1pwm3=a3*x3+b3 mode computation
Duty ratio, wherein zone1pwm3 indicates that the third PWM duty cycle of the first fan area, a3 and b3 are constant, and x3 indicates third temperature
Spend sensor temperature detected;
4th temperature sensor acts on the 4th PWM of the first fan area with zone1pwm4=a4*x4+b4 mode computation
Duty ratio, wherein zone1pwm4 indicates that the 4th PWM duty cycle of the first fan area, a4 and b4 are constant, and x4 indicates the 4th temperature
Spend sensor temperature detected;
First fan area is accounted for according to the first PWM duty cycle of first fan area, the 2nd PWM of first fan area
The empty maximum value pair than in, the 4th PWM duty cycle of the third PWM duty cycle of first fan area, first fan area
Fan in first fan area carries out rotational speed regulation.
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CN110043499B CN110043499B (en) | 2021-04-13 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110989725A (en) * | 2019-12-07 | 2020-04-10 | 苏州晶旭新能源科技有限公司 | Thermal management control method of cross-axle type photovoltaic power generation combiner box |
CN112732053A (en) * | 2021-01-20 | 2021-04-30 | 山东云海国创云计算装备产业创新中心有限公司 | Server heat dissipation method, device, equipment and medium |
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CN104675738A (en) * | 2015-02-06 | 2015-06-03 | 烽火通信科技股份有限公司 | Intelligent fan speed regulating system and method based on unified cabinet management |
CN105587681A (en) * | 2015-12-10 | 2016-05-18 | 浪潮电子信息产业股份有限公司 | Fan regulation and control method applied to SmartRack cabinet based on PID algorithm |
CN108150442A (en) * | 2016-12-06 | 2018-06-12 | 佛山市顺德区顺达电脑厂有限公司 | cabinet fan control method and module |
CN109026807A (en) * | 2018-08-13 | 2018-12-18 | 浪潮电子信息产业股份有限公司 | Method and device for controlling rotating speed of fan |
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CN102434479A (en) * | 2011-11-15 | 2012-05-02 | 浪潮电子信息产业股份有限公司 | Constant temperature energy-saving control method in rack type server case |
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Effective date of registration: 20211011 Address after: 100089 building 36, courtyard 8, Dongbeiwang West Road, Haidian District, Beijing Patentee after: Dawning Information Industry (Beijing) Co.,Ltd. Patentee after: ZHONGKE SUGON INFORMATION INDUSTRY CHENGDU Co.,Ltd. Address before: 100193 No. 36 Building, No. 8 Hospital, Wangxi Road, Haidian District, Beijing Patentee before: Dawning Information Industry (Beijing) Co.,Ltd. |