CN107420336A - A kind of high reliability fan control device and method based on server - Google Patents
A kind of high reliability fan control device and method based on server Download PDFInfo
- Publication number
- CN107420336A CN107420336A CN201710516618.7A CN201710516618A CN107420336A CN 107420336 A CN107420336 A CN 107420336A CN 201710516618 A CN201710516618 A CN 201710516618A CN 107420336 A CN107420336 A CN 107420336A
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- pwm
- fan
- rotation speed
- fan control
- server
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Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
Abstract
The present invention provides a kind of high reliability fan control scheme based on server, and its system architecture includes rotation speed of the fan control chip, CPLD or FPGA.Wherein rotation speed of the fan control chip is used for detecting corresponding rotation speed of the fan and system temperature, and rotation speed of the fan control signal PWM (pulse width modulation) corresponding to exporting, CPLD or FPGA is used for receiving the PWM that rotation speed of the fan control chip is sent, and output pwm signal is done after algorithm again to correspondence fan in inside.The present invention is controlled by simple hardware design and algorithm, you can to realize that the fan to server system carries out High-reliability Control.
Description
Technical field
The present invention relates to computer server technical field, and in particular to a kind of high reliability fan control based on server
Device and method processed.
Background technology
Current server system, topological more and more common, i.e., the multiple server nodes being distributed using cluster multinode
Gather together, set up server cluster, server cluster processor active task requires more and more higher, and its radiating to outside responds energy
Power is more and more faster, and while big data quantity high performance computing is completed, the higher need proposed are designed to the fan regulation and controlling of periphery
Ask, fan regulation and controlling needs to take into account real-time response ability, power consumption size, Noise measarement；The real-time response ability of fan regulation and controlling i.e. will
Ask when server node temperature quickly raises, fan can be controlled steadily to raise speed as early as possible, effectively suppress server node temperature
Rise；Power consumption size controls in fan regulation and controlling, is to require to reduce in server node processor active task, after node temperature declines, wind
Fan may operate at the state of the slow-speed of revolution, low-power consumption, and the Noise measarement in fan regulation and controlling is the smooth acceleration and deceleration of requirement fan, is avoided
The speed amount of increasing changes, and produces noise.In the group system of multiserver node, fan radiating system is by Servers-all section
Point shares, and the temperature information how fan cooling combines Servers-all node carries out Effective Regulation, turns into current multiserver
The problem solved is needed in node system；Because the operand of each server node, temperature are different, each node is corresponding
Different wind speed requirements, regulates and controls, then the regulation and control of fan can enter unordered according to the equal controlling fan of each server single node
Mix, effective regulation and control can not be formed.Today, server cluster overall power is larger, in this case, ensures clothes
Be engaged in the high efficiency of device multi-node cluster system radiating, intelligent design, for server multi-node system stability have it is important
Meaning.
At present in server system, with the density more and more higher of server product, unit intensity power consumption is increasing,
Requirement to server radiator fan control is just more and more harsh.Common practice is the rotation speed of the fan control in server system
Chip is directly controlled fan, but if rotation speed of the fan control chip goes wrong, the fan of whole server system
Exception just occurs in control, and radiating can not ensure, it is possible to the problem of causing the machine of delaying or abnormal shutdown and loss of data.Cause
When how this ensures that rotation speed of the fan control chip goes wrong in server system, rotation speed of the fan can be normally controlled to ensure to dissipate
Heat just becomes particularly important.
The content of the invention
In order to solve the above technical problems, it is a kind of high reliability fan control scheme based on server that the present invention, which provides,
It is specific as follows：
In a first aspect, the present invention provides a kind of high reliability fan control device based on server, for controlling N number of wind
Fan, including N number of rotation speed of the fan collecting unit, system temperature collecting unit, rotation speed of the fan control unit, Programmable ASIC
(Application Specific Integrated Circuits, application specific integrated circuit) unit, wherein N number of rotation speed of the fan is adopted
Collecting unit to correspond with N number of fan, N number of rotation speed of the fan collecting unit is used for the rotating speed for detecting corresponding N number of fan, and respectively
Produce PWM_TACH1~PWM_TACHn signals and feed back to rotation speed of the fan control unit；System temperature collecting unit is used to obtain
System temperature, and feed back to rotation speed of the fan control unit；Rotation speed of the fan control unit is according to PWM_TACH1~PWM_TACHn signals
And rotation speed of the fan control signal PWM1~PWMn turns to Programmable ASIC unit, while to fan corresponding to system temperature output
Fast control unit itself carries out self-test and produces health status pulse indication signal
HEARTBEAT, and pass to Programmable ASIC unit；Programmable ASIC unit is according to receiving
PWM1~PWMn signals, with reference to the health status pulse indication signal received from rotation speed of the fan control unit
HEARTBEAT produces PWM_FAN1~PWM_FANn signals, for controlling N number of fan respectively.
Further, Programmable ASIC unit controls list according to PWM1~PWMn signals are received with reference to from rotation speed of the fan
The health status pulse indication signal HEARTBEAT that member receives is produced
PWM_FAN1~PWM_FANn signals are specially：
When HEARTBEAT is normal pulse signal, Programmable ASIC unit judges rotation speed of the fan control unit is in
Health status, its pwm signal is normally exported, now PWM_FAN1~PWM_FANn signals are identical with PWM1~PWMn signals；
When HEARTBEAT is permanent high or permanent low signal, Programmable ASIC unit judges rotation speed of the fan control unit is in
Abnormality, now PWM_FAN1~PWM_FANn be equal to PWM_MAX, when wherein PWM_MAX is that fan is in full speed operation
Pwm signal be or according to design requirement design pwm signal.
Further, rotation speed of the fan control unit is rotation speed of the fan control chip.
Further, Programmable ASIC unit is CPLD or FPGA.
Further, the high reliability fan control device based on server also includes indicating member, for turning in fan
Fast control unit sends prompting when being in abnormality.
Further, indicating member can be LED or loudspeaker.
Second aspect, the present invention provides a kind of high reliability control method for fan based on server, for controlling N number of wind
Fan, including
SS1：The rotating speed of N number of fan is detected, and produces PWM_TACH1~PWM_TACHn signals respectively；
SS2：Obtain system temperature,
SS3：Rotation speed of the fan control unit exports corresponding according to PWM_TACH1~PWM_TACHn signals and system temperature
Rotation speed of the fan control signal PWM1~PWMn, while to itself carrying out self-test and producing health status pulse indication signal
HEARTBEAT；
SS4：According to PWM1~PWMn signals are received, with reference to the health status arteries and veins received from rotation speed of the fan control unit
Rush indication signal HEARTBEAT and produce PWM_FAN1~PWM_FANn signals, for controlling N number of fan respectively.
Further, step SS4 is specifically included：
When HEARTBEAT is normal pulse signal, judge that rotation speed of the fan control unit is in health status, it is normal defeated
Go out its pwm signal, now PWM_FAN1~PWM_FANn signals are identical with PWM1~PWMn signals；
When HEARTBEAT is permanent high or permanent low signal, judge that rotation speed of the fan control unit is in abnormality, now
PWM_FAN1~PWM_FANn is equal to PWM_MAX, wherein PWM_MAX be pwm signal when fan is in full speed operation be or
The pwm signal designed according to design requirement.
Further, the high reliability control method for fan based on server also includes：
SS5：Prompting is sent when rotation speed of the fan control unit is in abnormality.
Further, indicating member can be LED or loudspeaker.
It is simple to design hardware and algorithm control by the solution of the present invention, you can to realize the wind to server system
Fan carries out High-reliability Control.
Brief description of the drawings
Fig. 1 shows the structured flowchart of the high reliability fan control device of the invention based on server.
Fig. 2 shows the signal connection diagram of the high reliability fan control device of the invention based on server.
Embodiment
Technical scheme is further illustrated below in conjunction with Figure of description and specific embodiment.It should be appreciated that this
The specific embodiment of place description is not intended to limit the present invention only to explain the present invention.
Fig. 1 be one embodiment of the invention the high reliability fan control device based on server structured flowchart, Fig. 2
The signal connection diagram of high reliability fan control device of the invention based on server is shown.
As shown in Figure 1 and Figure 2, the high reliability fan control device based on server according to embodiments of the present invention, is used for
Control N number of fan, including it is N number of rotation speed of the fan collecting unit, system temperature collecting unit, rotation speed of the fan control unit, programmable
ASIC (Application Specific Integrated Circuits, application specific integrated circuit) unit, wherein N number of fan turns
Fast collecting unit corresponds with N number of fan,
N rotation speeds of the fan collecting unit be used for detect corresponding to N number of fan rotating speed, and respectively produce PWM_TACH1~
PWM_TACHn signals feed back to rotation speed of the fan control unit；
System temperature collecting unit is used to obtain system temperature, and feeds back to rotation speed of the fan control unit；
Rotation speed of the fan control unit wind according to corresponding to PWM_TACH1~PWM_TACHn signals and system temperature output
Speed controling signal PWM1~PWMn is fanned to Programmable ASIC unit, while self-test is carried out simultaneously to rotation speed of the fan control unit itself
Health status pulse indication signal HEARTBEAT is produced, and passes to Programmable ASIC unit；
Programmable ASIC unit is according to PWM1~PWMn signals are received, with reference to what is received from rotation speed of the fan control unit
Health status pulse indication signal HEARTBEAT produces PWM_FAN1~PWM_FANn signals, for controlling N number of fan respectively.
According to one embodiment of the invention, Programmable ASIC unit is according to receiving PWM1~PWMn signals, with reference to from wind
The health status pulse indication signal HEARTBEAT that fan rotary speed controling unit receives produces PWM_FAN1~PWM_FANn signals
Specially：
When HEARTBEAT is normal pulse signal, Programmable ASIC unit judges rotation speed of the fan control unit is in
Health status, its pwm signal is normally exported, now PWM_FAN1~PWM_FANn signals are identical with PWM1~PWMn signals；
When HEARTBEAT is permanent high or permanent low signal, Programmable ASIC unit judges rotation speed of the fan control unit is in
Abnormality, now PWM_FAN1~PWM_FANn be equal to PWM_MAX, when wherein PWM_MAX is that fan is in full speed operation
The pwm signal pwm signal that is or is designed according to design requirement, to ensure that radiating is normal.
According to one embodiment of the invention, rotation speed of the fan control unit is rotation speed of the fan control chip.
According to one embodiment of the invention, Programmable ASIC unit is CPLD (Complex Programmable Logic
Device, CPLD) or FPGA (Field-Programmable Gate Array, field programmable gate
Array).
According to one embodiment of the invention, the high reliability fan control device based on server also includes indicating member,
Indicating member is used to send prompting when rotation speed of the fan control unit is in abnormality, to remind the maintenance for carrying out equipment.
According to one embodiment of the invention, indicating member can be LED or loudspeaker.
In addition the present invention also provides a kind of high reliability control method for fan of correspondence based on server, including：
SS1：The rotating speed of N number of fan is detected, and produces PWM_TACH1~PWM_TACHn signals respectively；
SS2：Obtain system temperature,
SS3：Rotation speed of the fan control unit exports corresponding according to PWM_TACH1~PWM_TACHn signals and system temperature
Rotation speed of the fan control signal PWM1~PWMn, while to itself carrying out self-test and producing health status pulse indication signal
HEARTBEAT；
SS4：According to PWM1~PWMn signals are received, with reference to the health status arteries and veins received from rotation speed of the fan control unit
Rush indication signal HEARTBEAT and produce PWM_FAN1~PWM_FANn signals, for controlling N number of fan respectively.
According to one embodiment of the invention, step SS4 is specifically included：
When HEARTBEAT is normal pulse signal, judge that rotation speed of the fan control unit is in health status, it is normal defeated
Go out its pwm signal, now PWM_FAN1~PWM_FANn signals are identical with PWM1~PWMn signals；
When HEARTBEAT is permanent high or permanent low signal, judge that rotation speed of the fan control unit is in abnormality, now
PWM_FAN1~PWM_FANn is equal to PWM_MAX, wherein PWM_MAX be pwm signal when fan is in full speed operation be or
The pwm signal designed according to design requirement, to ensure that radiating is normal.
According to one embodiment of the invention, rotation speed of the fan control unit is rotation speed of the fan control chip.
According to one embodiment of the invention, method also includes：
SS5：Prompting is sent when rotation speed of the fan control unit is in abnormality.
According to one embodiment of the invention, indicating member can be LED or loudspeaker.
Using the present invention, you can be controlled by simple hardware design and algorithm, it is ensured that at rotation speed of the fan control chip
When abnormality, server system is not in heat dissipation problem, realizes the High-reliability Control to server system fan.
Although having been described for some aspects in the context of device, it is apparent that these aspects also illustrate that corresponding method
Description, wherein block or apparatus and method for step or the feature of method and step be corresponding.Similarly, in the context of method and step
Described in each side also illustrate that corresponding to block or project or the feature of corresponding intrument description.(or use) can be passed through
Hardware unit such as microprocessor, programmable calculator or electronic circuit etc is some or all of in method and step to perform.
Can be performed by such device in most important method and step some or it is multiple.
The realization can use hardware or using software or can use for example floppy disk, DVD, blue light, CD, ROM,
There is the stored digital for being stored in electronically readable control signal thereon to be situated between for PROM, EPROM, EEPROM or flash memory etc
Matter performs, and the electronically readable control signal coordinates (or can coordinate with it) with so that performing with programmable computer system
Corresponding method.The data medium with electronically readable control signal can be provided, the electronically readable control signal can be with
Programmable computer system coordinates to perform approach described herein.
The realization can also use the form of the computer program product with program code, work as computer program product
When running on computers, program code is operated to perform this method.Can in machine-readable carrier storage program generation
Code.
Described above be only it is illustrative, and it is to be understood that it is described herein arrangement and details modification and
Change will be apparent to those skilled in the art.It is therefore intended that only by scope of the following claims rather than by
The specific detail that is presented limits by way of above description and explaining.
Claims (10)
1. the high reliability fan control device based on server, for controlling N number of fan, it is characterised in that including N number of fan
Rotating speed collecting unit, system temperature collecting unit, rotation speed of the fan control unit, Programmable ASIC unit, wherein N number of rotation speed of the fan
Collecting unit corresponds with N number of fan, and N number of rotation speed of the fan collecting unit is used for the rotating speed for detecting corresponding N number of fan, and divides
Not Chan Sheng PWM_TACH1~PWM_TACHn signals feed back to rotation speed of the fan control unit；System temperature collecting unit is used to obtain
System temperature, and feed back to rotation speed of the fan control unit；Rotation speed of the fan control unit is believed according to PWM_TACH1~PWM_TACHn
Number and system temperature output corresponding to rotation speed of the fan control signal PWM1~PWMn to Programmable ASIC unit, while to fan
Rotary speed controling unit itself carries out self-test and produces health status pulse indication signal HEARTBEAT, and passes to programmable
ASIC units；Programmable ASIC unit receives according to PWM1~PWMn signals are received with reference to from rotation speed of the fan control unit
Health status pulse indication signal HEARTBEAT produce PWM_FAN1~PWM_FANn signals, for controlling N number of wind respectively
Fan.
2. the high reliability fan control device according to claim 1 based on server, wherein Programmable ASIC unit
According to PWM1~PWMn signals are received, with reference to the health status pulse indication signal received from rotation speed of the fan control unit
HEARTBEAT produces PWM_FAN1~PWM_FANn signals：
When HEARTBEAT is normal pulse signal, Programmable ASIC unit judges rotation speed of the fan control unit is in health
State, its pwm signal is normally exported, now PWM_FAN1~PWM_FANn signals are identical with PWM1~PWMn signals；
When HEARTBEAT is permanent high or permanent low signal, Programmable ASIC unit judges rotation speed of the fan control unit is in abnormal
State, now PWM_FAN1~PWM_FANn be equal to PWM_MAX, wherein PWM_MAX is PWM when fan is in full speed operation
The pwm signal that signal is or designed according to design requirement.
3. the control of the high reliability fan control device according to claim 1 based on server, wherein rotation speed of the fan is single
Member is rotation speed of the fan control chip.
4. the high reliability fan control device according to claim 1 based on server, wherein Programmable ASIC unit
For CPLD or FPGA.
5. the high reliability fan control device according to claim 1 based on server, wherein the height based on server
Reliability fan control device also includes indicating member, is carried for being sent when rotation speed of the fan control unit is in abnormality
Show.
6. the high reliability fan control device according to claim 5 based on server, wherein indicating member can be
LED or loudspeaker.
7. the high reliability control method for fan based on server, for controlling N number of fan, it is characterised in that including：
SS1：The rotating speed of N number of fan is detected, and produces PWM_TACH1~PWM_TACHn signals respectively；
SS2：Obtain system temperature,
SS3：Rotation speed of the fan control unit wind according to corresponding to PWM_TACH1~PWM_TACHn signals and system temperature output
Speed controling signal PWM1~PWMn is fanned, while self-test is carried out to itself and produces health status pulse indication signal
HEARTBEAT；
SS4：According to PWM1~PWMn signals are received, refer to reference to the health status pulse received from rotation speed of the fan control unit
Show that signal HEARTBEAT produces PWM_FAN1~PWM_FANn signals, for controlling N number of fan respectively.
8. the high reliability control method for fan according to claim 7 based on server, wherein step SS4 are specifically wrapped
Include：
When HEARTBEAT is normal pulse signal, judges that rotation speed of the fan control unit is in health status, normally export it
Pwm signal, now PWM_FAN1~PWM_FANn signals are identical with PWM1~PWMn signals；
When HEARTBEAT is permanent high or permanent low signal, judge that rotation speed of the fan control unit is in abnormality, now PWM_
FAN1~PWM_FANn is equal to PWM_MAX, wherein PWM_MAX be pwm signal when fan is in full speed operation be or according to
The pwm signal of design requirement design.
9. the high reliability control method for fan according to claim 7 based on server, wherein the height based on server
Reliability control method for fan also includes：
SS5：Prompting is sent when rotation speed of the fan control unit is in abnormality.
10. the high reliability control method for fan according to claim 9 based on server, wherein indicating member can be
LED or loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710516618.7A CN107420336A (en) | 2017-06-29 | 2017-06-29 | A kind of high reliability fan control device and method based on server |
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| CN201710516618.7A CN107420336A (en) | 2017-06-29 | 2017-06-29 | A kind of high reliability fan control device and method based on server |
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| CN108038041A (en) * | 2017-12-19 | 2018-05-15 | 曙光信息产业(北京)有限公司 | Case radiation management system |
| CN108916100A (en) * | 2018-07-19 | 2018-11-30 | 郑州云海信息技术有限公司 | A kind of rack server and fan control system |
| 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 |
| CN109343669A (en) * | 2018-10-08 | 2019-02-15 | 浪潮电子信息产业股份有限公司 | A kind of main board system and server |
| JP2020009398A (en) * | 2018-07-09 | 2020-01-16 | 廣達電腦股▲ふん▼有限公司Ｑｕａｎｔａ Ｃｏｍｐｕｔｅｒ Ｉｎｃ． | Method for controlling fan in electronic system |
| CN113550928A (en) * | 2021-09-09 | 2021-10-26 | 迈普通信技术股份有限公司 | Fan control method and electronic equipment |
| US20210396239A1 (en) * | 2019-05-09 | 2021-12-23 | Inspur Suzhou Intelligent Technology Co., Ltd | Fan control system, method and server |
| CN114562473A (en) * | 2022-01-28 | 2022-05-31 | 山东云海国创云计算装备产业创新中心有限公司 | Fan control method, device, equipment and medium |
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| CN114562473A (en) * | 2022-01-28 | 2022-05-31 | 山东云海国创云计算装备产业创新中心有限公司 | Fan control method, device, equipment and medium |
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