CN109763990A - A kind of control method and device of the fan of server - Google Patents
A kind of control method and device of the fan of server Download PDFInfo
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- CN109763990A CN109763990A CN201910035202.2A CN201910035202A CN109763990A CN 109763990 A CN109763990 A CN 109763990A CN 201910035202 A CN201910035202 A CN 201910035202A CN 109763990 A CN109763990 A CN 109763990A
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Abstract
The invention discloses a kind of control methods of the fan of server, including executing following steps by CPLD: whether the watchdog signal of detection BMC output is normal, and carries out reset operation to BMC in response to detecting abnormal；Whether detection fan is in place one by one, and detects the pwm control signal from BMC；In response to detecting the pwm control signal from BMC, out-put supply enable signal, to control the revolving speed of the fan in place according to the pwm control signal；With in response to the pwm control signal from BMC, out-put supply enable signal, to control the revolving speed of the fan in place according to default control signal is not detected.The invention also discloses a kind of control devices of the fan of server.The control method and device of the fan of server proposed by the present invention can significantly reduce server PCB layout complexity, and Reduced Design structure simultaneously reduces system design cost.
Description
Technical field
The present invention relates to server fields, more specifically, particularly relating to the control method and dress of a kind of fan of server
It sets.
Background technique
With the continuous improvement of server performance, the power consumption of server apparatus increases therewith, following, server
The calorific value of equipment is increasing, therefore, the design requirement of fan control system is also being continuously improved, server fan control
The stability of system processed, have become server machine system can reliable and stable operation a big key factor.
Current server fan control system is mainly divided to two kinds, and one is BMC (Baseboard Management
Controller, baseboard management controller) direct control method, in fan control system all detections and control function by
BMC is realized, once BMC breaks down, entire fan control system will be in runaway condition；Another kind is that core is controlled outside BMC+
Piece method increases design cost and PCB although this control method is more stable compared with BMC direct control method
(Printed Circuit Board, printed wiring board) wiring complexity.
Summary of the invention
In view of this, the purpose of the embodiment of the present invention is to propose a kind of control method and device of the fan of server,
Reliable and stable server fan control function not only may be implemented, but also design cost and PCB design hardly possible can be effectively reduced
Degree；Meanwhile the control method can also effectively be extended, and both can be adapted for single fan control, can be applicable to more
A fan control.
Based on above-mentioned purpose, the one side of the embodiment of the present invention provides a kind of control method of the fan of server, packet
Include by CPLD execute following steps: detection BMC output watchdog signal it is whether normal, and in response to detect it is abnormal and
Reset operation is carried out to BMC；Whether detection fan is in place one by one, and detects the pwm control signal from BMC；In response to detection
To the pwm control signal from BMC, out-put supply enable signal, to control the fan in place according to the pwm control signal
Revolving speed；With in response to the pwm control signal from BMC, out-put supply enable signal, to believe according to default control is not detected
The revolving speed of number control fan in place.
In some embodiments, pwm control signal of the detection from BMC includes: detection BMC according to fan information in place
The pwm control signal determined with board each point temperature information.
In some embodiments, CPLD out-put supply enable signal, further includes: out-put supply shutdown signal, to stop
To the fan power supply not in place.
In some embodiments, step S1 carries out BMC to reset the revolving speed that operation includes: CPLD adjustment fan, and real
When detection BMC output watchdog signal it is whether normal.
In some embodiments, control method further include: CPLD out-put supply enable signal is controlled according to the PWM
Signal controls the revolving speed of the fan in place further include: judges whether to need to carry out fan speed-regulating by BMC.
The another aspect of the embodiment of the present invention additionally provides a kind of control device of the fan of server, comprising: BMC matches
Set the pwm control signal for determining fan；CPLD is connect with BMC by I2C bus, and seeing for detection BMC output is configured to
Whether door dog signal is normal and carries out reset operation to BMC in response to detecting abnormal, whether in place detects fan one by one
And the pwm control signal from BMC is detected, it is controlled according to pwm control signal each in place in response to detecting pwm control signal
The revolving speed of fan, and the revolving speed of each fan in place is controlled according to default control signal in response to pwm control signal is not detected；
And fan supply control unit, it is communicated to connect with the CPLD, for powering to fan, wherein the CPLD also configures use
It powers and stops to fan power supply not in place to fan in place in the control fan supply control unit.
In some embodiments, CPLD includes register, is configured to fan information in place, wind that record CPLD is read
The real-time revolving speed and the default control signal of fan.
In some embodiments, BMC is configured to determine that PWM is controlled according to fan information in place and board each point temperature information
Signal processed.
In some embodiments, BMC includes judging unit, is configured to judge whether to need to carry out fan speed-regulating.
In some embodiments, control device further includes LED indication unit, is communicated to connect with the CPLD, and configuration is used
Whether normal operation in display control unit.
The present invention has following advantageous effects: the stability of server fan control system can be effectively improved, even if
BMC breaks down, and control system will not be caused to collapse；Server PCB layout complexity, Reduced Design structure can be significantly reduced
And reduce system design cost；It is applicable to single fan control, is equally applicable to multiple fan control and not by fan number
Amount limitation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other embodiments are obtained according to these attached drawings.
Fig. 1 is the flow diagram of the embodiment of the control method of the fan of server provided by the invention；
Fig. 2 is the schematic diagram of the embodiment of the control device of the fan of server provided by the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
The embodiment of the present invention is further described in attached drawing.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
Based on above-mentioned purpose, the first aspect of the embodiment of the present invention proposes a kind of controlling party of the fan of server
The embodiment of method.Shown in fig. 1 is the flow diagram of the embodiment of the control method of the fan of server provided by the invention.
As shown in Figure 1, the embodiment of the present invention includes execute following steps by CPLD:
Whether S1, the watchdog signal of detection BMC output are normal, and answer in response to detecting abnormal BMC
Bit manipulation；
S2, whether detection fan is in place one by one, and detects the pwm control signal from BMC；
S3, in response to detecting the pwm control signal from BMC, out-put supply enable signal, to be controlled according to the PWM
Signal processed controls the revolving speed of the fan in place；With in response to the pwm control signal from BMC is not detected, out-put supply makes
Energy signal, to control the revolving speed of the fan in place according to default control signal.
Whether normal firstly the need of detection BMC in step S1, whether CPLD detection BMC can normally pass through real-time detection
Whether house dog (watchdog) signal of BMC output is normal, and when BMC occurs abnormal, CPLD needs to reset BMC.
Under normal circumstances, BMC is it is possible that the abnormal conditions such as program fleet, reset is carried out to it can solve these abnormal conditions.
According to preferred embodiment, CPLD can read fan information in place and in the I2C register that is recorded in inside CPLD, wind
Fan the quantity information that information in place includes fan.
While BMC resets, CPLD can control fan supply control unit and export DC voltage to fan and will account for
Sky runs first time period, such as can be one minute, the watchdog signal for then detecting BMC output is than being set as 50%
It is no normal, if signal normally if stop, otherwise, increase duty ratio, such as duty ratio can be set as to 75%, when operation second
Between section, such as can be two minutes, whether the watchdog signal for then detecting BMC output normal, if signal normally if stop, it is no
Then, increase duty ratio, until duty ratio is set as 100%.
BMC can read fan information in place and board each point temperature letter in CPLD internal register by I2C bus
Breath, to obtain the theoretical rotational speed value of fan according to obtained above- mentioned information and convert thereof into PWM control signal duty cycle letter
Breath, duty ratio can control voltage, and voltage can control revolving speed, that is to say that BMC determines pwm control signal.
Whether CPLD can detect fan one by one in real time in place, if fan is in place, illustrate that the fan is normal, CPLD can control
The revolving speed of the fan；If fan is not in place, illustrate that the fan is likely to occur exception, it is dangerous in order to avoid occurring at this time, it can stop
Power supply to fan not in place.
For fan in place, CPLD meeting out-put supply enables (Power Enable) signal, is used for fan power supply control list
Member exports DC voltage to fan, to power to fan in place.PWM control signal duty cycle information can be transmitted to by BMC
CPLD, CPLD parse the duty ratio of I2C data acquisition pwm control signal, and CPLD can be according to above-mentioned duty ratio to fan in place
Carry out revolving speed adjustment.Therefore, CPLD can detect the pwm control signal from BMC.If BMC is normal or resets successfully, CPLD
It can detecte the pwm control signal of BMC, if BMC resets unsuccessful, CPLD if can't detect the pwm control signal of BMC.
When CPLD can't detect the pwm control signal of BMC, CPLD can be controlled fan according to preset control signal.It is default
Control signal can be above-mentioned duty ratio be 50%, 75% and 100% control signal, it is of course also possible to as needed into
The other settings of row.
For fan not in place, CPLD meeting out-put supply closes (Power Off) signal, for cutting off fan power supply control
Unit exports DC voltage to fan, to stop the power supply to fan not in place.
According to preferred embodiment, control method further includes being judged whether to need to carry out fan speed-regulating by BMC.When board temperature
When degree increases, the revolving speed of fan can be tuned up；When the temperature of board reduces, the revolving speed of fan can be turned down, specifically may be used
With free setting.
It is important to note that each step in each embodiment of the control method of the fan of above-mentioned server is equal
It can intersect, replace, increase, delete, therefore, the control of the fan in server of these reasonable permutation and combination transformation
Method should also be as belonging to the scope of protection of the present invention, and protection scope of the present invention should not be confined on embodiment.
Based on above-mentioned purpose, the second aspect of the embodiment of the present invention proposes a kind of control dress of the fan of server
The embodiment set.Fig. 2 shows be server provided by the invention fan control device one embodiment schematic diagram.
As shown in Fig. 2, the control device of the fan of server of the invention includes:
BMC is configured to determine the pwm control signal of fan；
CPLD is connect with BMC by I2C bus, and whether the watchdog signal for being configured to detection BMC output is normal and loud
Ying Yu detects and carries out reset operation to BMC the PWM control that whether fan is in place and detection is from BMC detected one by one abnormal
Signal processed controls the revolving speed of each fan in place according to pwm control signal in response to detecting pwm control signal, and in response to
Pwm control signal is not detected and controls the revolving speed of each fan in place according to default control signal；And
Fan supply control unit is communicated to connect with the CPLD, for powering to fan,
Wherein, the CPLD be also configured to control the fan supply control unit power to fan in place and stop to
Fan power supply not in place.
FAN_0 and FAN_N in Fig. 2 indicate that fan 0 and fan N, VR/SS/eFuse indicate fan supply control unit,
By taking fan 0 as an example, Power Enable_0 indicates power supply enable signal, and Present_0 indicates that signal in place, PWM_0 indicate PWM
Signal is controlled, Tech_0 indicates tach signal.
BMC can be used to implement fan speed-regulating control strategy software control code, including I2C communication identification code and speed regulating control
Code.I2C communication identification code is for I2C data communication between BMC and CPLD, to realize that fan is in place and rotary speed information obtains
Take and PWM control information output；Speed regulating control code is each according to current server system according to set fan speed-regulating strategy
Point real time temperature and rotation speed of the fan, are calculated rotation speed of the fan pwm control signal.The present embodiment is with ASPEED company
It is illustrated for AST2500.
BMC includes judging unit, is configured to judge whether to need to carry out fan speed-regulating.Specifically, judging unit can be with
Judge whether to be adjusted the speed according to the variation of the temperature in each place of board.
CPLD can be used to implement server fan information directly acquire and revolving speed control function, including I2C communicate generation
Code and fan detection and control routine.I2C communication identification code is for the I2C data between CPLD control unit and BMC control unit
Transmission, to realize rotation speed of the fan PWM control acquisition of information and fan is in place, rotary speed information output function；The fan detection
And control routine is for realizing fan is in place and speed feedback signal directly acquires, and is calculated according to speed feedback signal
Fan actual speed value, meanwhile, the rotation speed of the fan for being also used to the upper electric control of fan supply control unit and being exported according to BMC
PWM controls information, and output pwm control signal carries out rotation speed of the fan control.The present embodiment is with the LCMXO2- of Lattice company
It is illustrated for 1200UHC-4FTG256C.
CPLD includes register, may be configured to the fan information in place that record CPLD is read, can also be configured to
Record the real-time revolving speed and the default control signal of fan.
Fan supply control unit can be the electricity such as VR (voltage regulator)/SS (Soft start)/eFuse
Control unit is pressed, for realizing the DC voltage control function of fan.
According to preferred embodiment, control device further includes LED indication unit, is communicated to connect with the CPLD, and configuration is used
Whether normal operation in display control unit.LED indication unit can be red LED indicator light, the not in place, fan for fan
Revolving speed exception dispatch control system indicating fault.For example, LED light can be shown in red when fan is not in place, work as fan
Extinguish when in place, naturally it is also possible to which when fan is in place, LED light is shown in red, extinguishes when fan is not in place, specifically
It can be set according to the actual situation.
The present invention can effectively improve the stability of server fan control system, even if BMC breaks down, will not cause
Control system collapse；Server PCB layout complexity can be significantly reduced, Reduced Design structure simultaneously reduces system design cost；I.e.
It is applicable to single fan control, be equally applicable to multiple fan control and is not limited by number of fans.
Finally, it should be noted that those of ordinary skill in the art will appreciate that realizing the whole in above-described embodiment method
Or part process, related hardware can be instructed to complete by computer program, the journey of the control method of the fan of server
Sequence can be stored in a computer-readable storage medium, and the program is when being executed, it may include such as the embodiment of above-mentioned each method
Process.Wherein, the storage medium of program can be magnetic disk, CD, read-only memory (ROM) or random access memory
(RAM) etc..The embodiment of above-mentioned computer program, can achieve that corresponding aforementioned any means embodiment is identical or phase
Similar effect.
In addition, disclosed method is also implemented as the computer journey executed by processor according to embodiments of the present invention
Sequence, the computer program may be stored in a computer readable storage medium.When the computer program is executed by processor, hold
The above-mentioned function of being limited in row method disclosed by the embodiments of the present invention.
In addition, above method step and system unit also can use controller and for storing so that controller is real
The computer readable storage medium of the computer program of existing above-mentioned steps or Elementary Function is realized.
In addition, it should be appreciated that the computer readable storage medium (for example, memory) of this paper can be volatibility and deposit
Reservoir or nonvolatile memory, or may include both volatile memory and nonvolatile memory.As an example and
Unrestricted, nonvolatile memory may include read-only memory (ROM), programming ROM (PROM), electrically programmable ROM
(EPROM), electrically erasable programmable ROM (EEPROM) or flash memory.Volatile memory may include that arbitrary access is deposited
Reservoir (RAM), the RAM can serve as external cache.As an example and not restrictive, RAM can be with a variety of
Form obtains, such as synchronous random access memory (DRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate SDRAM (DDR
SDRAM), enhance SDRAM (ESDRAM), synchronization link DRAM (SLDRAM) and directly Rambus RAM (DRRAM).Institute is public
The storage equipment for the aspect opened is intended to the memory of including but not limited to these and other suitable type.
Those skilled in the art will also understand is that, various illustrative logical blocks, mould in conjunction with described in disclosure herein
Block, circuit and algorithm steps may be implemented as the combination of electronic hardware, computer software or both.It is hard in order to clearly demonstrate
This interchangeability of part and software, with regard to various exemplary components, square, module, circuit and step function to its into
General description is gone.This function is implemented as software and is also implemented as hardware depending on concrete application and application
To the design constraint of whole system.The function that those skilled in the art can realize in various ways for every kind of concrete application
Can, but this realization decision should not be interpreted as causing a departure from range disclosed by the embodiments of the present invention.
Various illustrative logical blocks, module and circuit, which can use, in conjunction with described in disclosure herein is designed to
The following component of function here is executed to realize or execute: general processor, digital signal processor (DSP), dedicated integrated electricity
It is road (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete
Any combination of hardware component or these components.General processor can be microprocessor, but alternatively, processor can
To be any conventional processors, controller, microcontroller or state machine.Processor also may be implemented as calculating the group of equipment
Close, for example, the combination of DSP and microprocessor, multi-microprocessor, one or more microprocessors combination DSP and/or it is any its
Its this configuration.
The step of method in conjunction with described in disclosure herein or algorithm, can be directly contained in hardware, be held by processor
In capable software module or in combination of the two.Software module may reside within RAM memory, flash memory, ROM storage
Device, eprom memory, eeprom memory, register, hard disk, removable disk, CD-ROM or known in the art it is any its
In the storage medium of its form.Illustrative storage medium is coupled to processor, enables a processor to from the storage medium
Information is written to the storage medium in middle reading information.In an alternative, storage medium can be integral to the processor
Together.Pocessor and storage media may reside in ASIC.ASIC may reside in user terminal.In an alternative
In, it is resident in the user terminal that pocessor and storage media can be used as discrete assembly.
In one or more exemplary designs, function can be realized in hardware, software, firmware or any combination thereof.
If realized in software, can using function as one or more instruction or code may be stored on the computer-readable medium or
It is transmitted by computer-readable medium.Computer-readable medium includes computer storage media and communication media, which is situated between
Matter includes any medium for helping for computer program to be transmitted to another position from a position.Storage medium can be energy
Any usable medium being enough accessed by a general purpose or special purpose computer.As an example and not restrictive, the computer-readable medium
It may include that RAM, ROM, EEPROM, CD-ROM or other optical disc memory apparatus, disk storage equipment or other magnetic storages are set
It is standby, or can be used for carrying or storage form be instruct or the required program code of data structure and can by general or
Special purpose computer or any other medium of general or specialized processor access.In addition, any connection can suitably claim
For computer-readable medium.For example, if using coaxial cable, optical fiber cable, twisted pair, digital subscriber line (DSL) or all
It is if the wireless technology of infrared ray, radio and microwave to send software from website, server or other remote sources, then above-mentioned coaxial
Cable, fiber optic cable, twisted pair, DSL or such as wireless technology of infrared ray, radio and microwave are included in determining for medium
Justice.As used herein, disk and CD include compact disk (CD), it is laser disk, CD, digital versatile disc (DVD), soft
Disk, Blu-ray disc, wherein disk usually magnetically reproduce data, and CD using laser optics reproduce data.Above content
Combination should also be as being included in the range of computer-readable medium.
It is exemplary embodiment disclosed by the invention above, it should be noted that in the sheet limited without departing substantially from claim
Under the premise of inventive embodiments scope of disclosure, it may be many modifications and modify.According to open embodiment described herein
The function of claim to a method, step and/or movement be not required to the execution of any particular order.In addition, although the present invention is implemented
Element disclosed in example can be described or be required in the form of individual, but be unless explicitly limited odd number, it is understood that be multiple.
It should be understood that it is used in the present context, unless the context clearly supports exceptions, singular " one
It is a " it is intended to also include plural form.It is to be further understood that "and/or" used herein refers to including one or one
Any and all possible combinations of a above project listed in association.
It is for illustration only that the embodiments of the present invention disclose embodiment sequence number, does not represent the advantages or disadvantages of the embodiments.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
Complete, relevant hardware can also be instructed to complete by program, program can store in a kind of computer-readable storage
In medium, storage medium mentioned above can be read-only memory, disk or CD etc..
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that range disclosed by the embodiments of the present invention (including claim) is limited to these examples；In the think of of the embodiment of the present invention
Under road, it can also be combined between the technical characteristic in above embodiments or different embodiments, and there is this hair as above
Many other variations of the different aspect of bright embodiment, for simplicity, they are not provided in details.Therefore, all in the present invention
Within the spirit and principle of embodiment, any omission, modification, equivalent replacement, improvement for being made etc. be should be included in of the invention real
It applies within the protection scope of example.
Claims (10)
1. a kind of control method of the fan of server, which is characterized in that including being performed the following operation by CPLD:
Whether the watchdog signal for detecting BMC output is normal, and carries out reset operation to BMC in response to detecting abnormal；
Whether detection fan is in place one by one, and detects the pwm control signal from BMC；
In response to detecting the pwm control signal from BMC, out-put supply enable signal, according to the pwm control signal control
Make the revolving speed of the fan in place；With
In response to the pwm control signal from BMC, out-put supply enable signal, according to default control signal control is not detected
Make the revolving speed of the fan in place.
2. control method according to claim 1, which is characterized in that pwm control signal of the detection from BMC includes: inspection
Survey the pwm control signal that BMC is determined according to fan information in place and board each point temperature information.
3. control method according to claim 1, which is characterized in that further include:
Out-put supply shutdown signal, to stop powering to the fan not in place.
4. control method according to claim 1, which is characterized in that carry out resetting operation including: CPLD adjustment wind to BMC
The revolving speed of fan, and whether the watchdog signal of real-time detection BMC output is normal.
5. control method according to claim 1, which is characterized in that CPLD out-put supply enable signal, according to the PWM
Control signal controls the revolving speed of the fan in place further include:
Judge whether to need to carry out fan speed-regulating by BMC.
6. a kind of control device of the fan of server characterized by comprising
BMC is configured to determine the pwm control signal of fan；
CPLD is connect with the BMC by I2C bus, and whether the watchdog signal for being configured to detection BMC output is normal and loud
Ying Yu detects and carries out reset operation to BMC the PWM control that whether fan is in place and detection is from BMC detected one by one abnormal
Signal processed controls the revolving speed of each fan in place according to the pwm control signal in response to detecting the pwm control signal,
The revolving speed of each fan in place is controlled according to default control signal in response to the pwm control signal is not detected；And
Fan supply control unit is communicated to connect with the CPLD, for powering to fan,
Wherein, the CPLD is also configured to control the fan supply control unit and powers and stop to not existing to fan in place
Position fan power supply.
7. control device according to claim 6, which is characterized in that the CPLD includes register, is configured to record
The real-time revolving speed and the default control signal of fan information in place, fan that CPLD is read.
8. control device according to claim 6, which is characterized in that the BMC be configured to according to fan information in place and
Board each point temperature information determines pwm control signal.
9. control device according to claim 6, which is characterized in that the BMC includes judging unit, is configured to judge
Whether need to carry out fan speed-regulating.
10. control device according to claim 6, which is characterized in that the control device further includes LED indication unit,
It is communicated to connect with the CPLD, is configured to display control unit whether normal operation.
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| CN110778517A (en) * | 2019-09-27 | 2020-02-11 | 苏州浪潮智能科技有限公司 | Fan control method, device and storage medium |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443408A (en) * | 2015-11-27 | 2016-03-30 | 浪潮(北京)电子信息产业有限公司 | Fan system |
| CN106527633A (en) * | 2016-10-24 | 2017-03-22 | 郑州云海信息技术有限公司 | Server fan control device and system, and method |
| CN107588030A (en) * | 2017-09-14 | 2018-01-16 | 郑州云海信息技术有限公司 | A kind of radiator fan speed regulating method, apparatus and system |
| CN108279761A (en) * | 2018-01-22 | 2018-07-13 | 郑州云海信息技术有限公司 | A kind of server power supply circuit and control method for supporting fan hot plug |
| CN109162953A (en) * | 2018-11-01 | 2019-01-08 | 郑州云海信息技术有限公司 | A kind of fan control device and server |
-
2019
- 2019-01-15 CN CN201910035202.2A patent/CN109763990A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443408A (en) * | 2015-11-27 | 2016-03-30 | 浪潮(北京)电子信息产业有限公司 | Fan system |
| CN106527633A (en) * | 2016-10-24 | 2017-03-22 | 郑州云海信息技术有限公司 | Server fan control device and system, and method |
| CN107588030A (en) * | 2017-09-14 | 2018-01-16 | 郑州云海信息技术有限公司 | A kind of radiator fan speed regulating method, apparatus and system |
| CN108279761A (en) * | 2018-01-22 | 2018-07-13 | 郑州云海信息技术有限公司 | A kind of server power supply circuit and control method for supporting fan hot plug |
| CN109162953A (en) * | 2018-11-01 | 2019-01-08 | 郑州云海信息技术有限公司 | A kind of fan control device and server |
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| CN112253520A (en) * | 2020-11-02 | 2021-01-22 | 苏州浪潮智能科技有限公司 | Method and device for remotely testing stability of PWM fan of server |
| CN112253520B (en) * | 2020-11-02 | 2022-07-19 | 苏州浪潮智能科技有限公司 | Method and device for remotely testing stability of PWM fan of server |
| CN112416678A (en) * | 2020-11-18 | 2021-02-26 | 北京东土科技股份有限公司 | Fan in-place detection device and method |
| CN112416711A (en) * | 2020-11-20 | 2021-02-26 | 恒为科技（上海）股份有限公司 | Four-wire fan on-site detection method and device and four-wire fan control system |
| CN113031712A (en) * | 2021-02-25 | 2021-06-25 | 山东英信计算机技术有限公司 | RV damping method, server and medium |
| CN113190398A (en) * | 2021-03-26 | 2021-07-30 | 山东英信计算机技术有限公司 | Method, system and medium for detecting state of counter flow valve |
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