CN108457888A - A kind of server fan fault detection method, apparatus and system - Google Patents
A kind of server fan fault detection method, apparatus and system Download PDFInfo
- Publication number
- CN108457888A CN108457888A CN201810171638.XA CN201810171638A CN108457888A CN 108457888 A CN108457888 A CN 108457888A CN 201810171638 A CN201810171638 A CN 201810171638A CN 108457888 A CN108457888 A CN 108457888A
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- Prior art keywords
- server fan
- fan
- server
- failure
- tachometer value
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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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
-
- 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
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
Abstract
The invention discloses a kind of server fan fault detection method, apparatus and systems, including：Control server fan accelerates rotation after receiving fault detect instruction；The tachometer value when rotating speed of acquisition server fan reaches the limit values；Judge whether tachometer value is consistent with predetermined threshold value, if so, determining server fan is normal, if it is not, then determining server fan failure.The present invention is after the fault detection signal for receiving terminal transmission, it automatically controls server fan and accelerates rotation, until the rotating speed of server fan reaches the limit values, i.e. the rotating speed of server fan can not improve again, at this time, record the tachometer value of current server fan, if the tachometer value is consistent with predetermined threshold value, then illustrate that fan does not have failure, if the tachometer value and predetermined threshold value are inconsistent, then illustrate that fan breaks down, accelerate rotation by this server fan that automatically controls to reach the method for detection failure, compared to the method for artificial detection failure, improve the efficiency of fault detect.
Description
Technical field
The present invention relates to quality of server detection technique fields, more particularly to a kind of server fan fault detect side
Method.The invention further relates to a kind of server fan failure detector and systems.
Background technology
Server fan plays very important effect during server internal function of environment heat emission, in producing line to service
Device carries out in assembling generating process, needs the quality to the fan on server to be detected, is influenced to avoid because of fan failure
The heat dissipation performance of server.
Currently, the rotation of server fan is by BMC (Baseboard Management Controller, substrate pipe
Manage controller) come what is controlled, server internal temperature mainly measured by sensor, when server temperature is excessively high
It waits, control server fan accelerates rotation to accelerate the heat dissipation of server.Existing server fan fault detection method is to adopt
The method of rotation speed of the fan is manually adjusted manually to detect the failure of fan, not only expends a large amount of manpower and time cost,
And the raising of production efficiency and popularizing for procedure operation are greatly affected, fault detection efficiency is low.
Therefore a kind of server fan fault detection method that fault detection efficiency is high how is provided, apparatus and system is this
Field technology personnel's problem to be solved.
Invention content
The object of the present invention is to provide a kind of server fan fault detection methods, can improve the effect of fault detect
Rate；It is a further object of the present invention to provide a kind of server fan failure detector and system including the above method,
The efficiency of fault detect can be improved.
In order to solve the above technical problems, the present invention provides a kind of server fan fault detection methods, including：
Control server fan accelerates rotation after receiving fault detect instruction；
Obtain the tachometer value when rotating speed of the server fan reaches the limit values；
Judge whether the tachometer value is consistent with predetermined threshold value, if so, judge that the server fan is normal, if it is not,
Then judge the server fan failure.
Preferably, when control server fan accelerates rotation after receiving fault detect instruction, further include：
In baseboard management controller BMC exceptions, exporting GPIO transmission abnormal signals by universal input can compile to complexity
Journey logic device (CPLD), so that the CPLD controls the server fan after receiving the abnormal signal and accelerates rotation.
Preferably, after judging the server fan failure, further include：
Obtain the difference of the tachometer value and the predetermined threshold value；
The fault-signal of appropriate level is generated according to the corresponding preset failure rank of the difference.
Preferably, after the judgement server fan failure, further include：
Send out the prompt for completing fault detect.
In order to solve the above technical problems, the present invention also provides a kind of server fan failure detectors, including：
Control unit accelerates rotation for control server fan after receiving fault detect instruction；
First acquisition unit, the tachometer value when rotating speed for obtaining the server fan reaches the limit values；
Judging unit, for judging whether the tachometer value is consistent with predetermined threshold value, if so, judging the server wind
Fan is normal, if it is not, then judging the server fan failure.
Preferably, further include：
Transmission unit, in baseboard management controller BMC exceptions, exporting GPIO by universal input and sending control letter
Number give complex programmable logic device (CPLD) so that the CPLD controls the server wind after receiving the control signal
Fan accelerates rotation.
Preferably, further include：
Second acquisition unit, the difference for obtaining the tachometer value and the predetermined threshold value；
Generation unit, the fault-signal for generating appropriate level according to the corresponding preset failure rank of the difference.
Preferably, further include：
Prompt unit, for sending out the prompt for completing fault detect.
In order to solve the above technical problems, the present invention also provides a kind of server fan fault detection systems, including：
Baseboard management controller BMC accelerates rotation for control server fan after receiving fault detect instruction；It obtains
The tachometer value when rotating speed of the server fan reaches the limit values；Judge whether the tachometer value is consistent with predetermined threshold value, if
It is then to judge that the server fan is normal, if it is not, then judging the server fan failure；
The server fan.
Preferably, the baseboard management controller BMC is additionally operable to, in itself exception, GPIO hairs be exported by universal input
Send abnormal signal to complex programmable logic device (CPLD)；
Correspondingly, the server fan fault detection system further includes：
The CPLD accelerates rotation for controlling the server fan after receiving the control signal；
The GPIO, for receiving abnormal signal that the BMC is sent and being sent to the CPLD.
The present invention provides a kind of server fan fault detection method, apparatus and systems, including：Receive fault detect
Server fan is controlled after instruction accelerates rotation；The tachometer value when rotating speed of acquisition server fan reaches the limit values；Judge to turn
Whether speed value is consistent with predetermined threshold value, if so, determining server fan is normal, if it is not, then determining server fan failure.This
Invention automatically controls server fan and accelerates rotation, until server wind after the fault detection signal for receiving terminal transmission
The rotating speed of fan reaches the limit values, i.e., the rotating speed of server fan can not improve again, at this point, the rotating speed of record current server fan
Value, if the tachometer value is consistent with predetermined threshold value, illustrates that fan does not have failure, if the tachometer value differs with predetermined threshold value
It causes, then illustrates that fan breaks down, rotation is accelerated to reach the side of detection failure by this server fan that automatically controls
Method improves the efficiency of fault detect compared to the method for artificial detection failure.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and 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 present 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 a kind of flow chart of server fan fault detection method provided by the invention；
Fig. 2 is a kind of structural schematic diagram of server fan failure detector provided by the invention；
Fig. 3 is a kind of structural schematic diagram of server fan fault detection system provided by the invention.
Specific implementation mode
Core of the invention is to provide a kind of server fan fault detection method, can improve the effect of fault detect
Rate；Another core of the present invention is to provide a kind of server fan failure detector and system including the above method,
The efficiency of fault detect can be improved.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of server fan fault detection methods, and as shown in FIG. 1, FIG. 1 is provided by the invention one
The flow chart of kind server fan fault detection method, this approach includes the following steps：
Step S1：Control server fan accelerates rotation after receiving fault detect instruction.
It should be noted that in order to understand the performance of current server fan, staff needs to make server fan most
Amount ground plays the purposes of its own, therefore rotation can be accelerated to reach this purpose by controlling server fan.Server exists
After receiving fault detect instruction, by BMC (Base management controller, the substrate management control in server
Device) control server fan acceleration rotation, BMC is a special service processor, it is using sensor come monitoring service
Device, the sensor of BMC are used for measuring server internal physical descriptor, such as：Temperature, humidity, supply voltage, fan speed etc.,
If any one in these variables has exceeded except the range of specified limitation, it is informed about administrator, and administrator will adopt
Take correct measure.Fault detect instruction can be the BMC that server is periodically sent to by specific equipment, can also be management
Member is sent to the BMC of server from terminal.
Step S2：The tachometer value when rotating speed of acquisition server fan reaches the limit values.
It should be noted that in order to which whether the performance for understanding current server fan is in normal condition, service can be allowed
Device fan accelerates rotation, until the speed of server fan cannot be further added by, then no longer change in server fan speed
At the time of change, the tachometer value of current server is recorded, which is that server fan current performance performs to ultimate attainment embodiment,
The tachometer value is analyzed, by analysis result it will be seen that the performance of current server fan, and the rotating speed of fan is logical
It crosses the sensor of BMC to measure, BMC measures the memory that can be stored in therein after the rotating speed of fan.
Step S3：Judge whether tachometer value is consistent with predetermined threshold value, if so, entering step S4；If it is not, then entering step
S5。
Step S4：Determining server fan is normal.
Step S5：Determining server fan failure.
It should be noted that tachometer value when server fan accelerates rotation to reach the limit values is got in BMC, by this turn
Fast value calls in memory with predetermined threshold value and carries out data processing, and whether with predetermined threshold value consistent, if so, proof if comparing the tachometer value
Server fan does not break down, if it is not, then proving that failure occurs in server fan.Predetermined threshold value can be according to practical feelings
Condition is arranged, such as：Predetermined threshold value can be when server fan is normal, and control server fan accelerates rotation to reach the limit values
When tachometer value, can also be when server fan is normal, repeatedly control server fan accelerate rotation reaches the limit values, obtain
To multiple tachometer values, it sets the average value of these tachometer values to predetermined threshold value.
Preferably, when control server fan accelerates rotation after receiving fault detect instruction, further include：
In baseboard management controller BMC exceptions, exporting GPIO transmission abnormal signals by universal input can compile to complexity
Journey logic device (CPLD), so that CPLD controls server fan after receiving abnormal signal and accelerates rotation.
It should be noted that due to BMC it sometimes appear that exception, is to be unable to control server fan to turn in BMC exceptions
Dynamic, whether failure can not just carry out test server fan at this time, and therefore, in order to solve this problem, the present invention is controlled in BMC
While control server fan rotates, by way of writing BMC registers, by GPIO (General Purpose Input
Output, universal input output) it is set as pin pattern, then CPLD (Complex are given by GPIO in real time
Programmable Logic Device, Complex Programmable Logic Devices) send a fixed frequency signal, CPLD receive
The signal is detected in real time after to the signal, when BMC occurs abnormal, BMC can by way of writing BMC registers incite somebody to action
GPIO is set as non-pinned pattern, and BMC by the GPIO of non-pinned pattern send the signal of an on-fixed frequency to
CPLD it is abnormal then to illustrate that BMC occurs, at this point, CPLD starts when CPLD detects that the signal is the signal of on-fixed frequency
It controls server fan and accelerates rotation, after BMC restores normal, GPIO can also revert to pin pattern.
It is understood that the present invention accelerates rotation in BMC exceptions, by CPLD to control server fan, to the greatest extent may be used
Can ground avoid due to BMC is abnormal and the problem of lead to not detection service device fan failure, improve server fan and detect
Serious forgiveness, and improve the efficiency of server fan fault detect.
Preferably, after determining server fan failure, further include：
Obtain the difference of tachometer value and predetermined threshold value；
The fault-signal of appropriate level is generated according to the corresponding preset failure rank of difference.
It should be noted that when the tachometer value when server fan reaches the limit values is inconsistent with predetermined threshold value, BMC is logical
It crosses data processing and obtains the difference of the tachometer value and predetermined threshold value, then generated according to the corresponding preset failure rank of difference corresponding
The fault-signal of rank, preset failure rank can be configured according to actual conditions, such as：When the tachometer value and predetermined threshold value
Difference then sets the corresponding failure rank of the difference to level fault, when the tachometer value and predetermined threshold value in 0~50 range
Difference then sets the corresponding failure rank of the difference to secondary failure in 50~100 ranges, and so on, it can produce
Several failure ranks, BMC generate corresponding fault-signal according to these failure ranks.When staff receive it is not at the same level
Different counter-measure can be made after other fault-signal.
It is understood that fault-signal is divided into different ranks by the present invention, in order to which staff understands current clothes
The fault condition of business device fan, and different counter-measure can be made according to different situations, improve staff
The flexibility of safeguard service device.
Preferably, after determining server fan failure, further include：
Send out the prompt for completing fault detect.
It should be noted that after completing fault detect, the prompt that prompt staff completes detection is sent out, which can
Can also be a prompt tone to be a piece of news for being back to staff's operation interface.In order to staff start with
Flow afterwards is conducive to the working efficiency for improving staff.
The present invention provides a kind of server fan fault detection methods, including：It is controlled after receiving fault detect instruction
Server fan accelerates rotation；The tachometer value when rotating speed of acquisition server fan reaches the limit values；Judge tachometer value and presets
Whether threshold value is consistent, if so, determining server fan is normal, if it is not, then determining server fan failure.The present invention is receiving
It after the fault detection signal sent to terminal, automatically controls server fan and accelerates rotation, until the turn up of server fan
To limiting value, i.e. the rotating speed of server fan can not improve again, at this point, the tachometer value of record current server fan, if should
Tachometer value is consistent with predetermined threshold value, then illustrates that fan does not have failure, if the tachometer value is inconsistent with predetermined threshold value, illustrates wind
Fan breaks down, and accelerates rotation to reach the method for detection failure by this server fan that automatically controls, compared to people
The method that work detects failure, improves the efficiency of fault detect.
The present invention also provides a kind of server fan failure detectors, as shown in Fig. 2, Fig. 2 is provided by the invention
A kind of structural schematic diagram of server fan failure detector, the device include：
Control unit 1 accelerates rotation for control server fan after receiving fault detect instruction；
First acquisition unit 2, the tachometer value when rotating speed for obtaining server fan reaches the limit values；
Judging unit 3, for judging whether tachometer value is consistent with predetermined threshold value, if so, determining server fan is normal,
If it is not, then determining server fan failure.
Preferably, the device further includes：
Transmission unit, in baseboard management controller BMC exceptions, exporting GPIO by universal input and sending control letter
Number give complex programmable logic device (CPLD) so that CPLD control upon the reception of control signals server fan accelerate rotation.
Preferably, the device further includes：
Second acquisition unit, the difference for obtaining tachometer value and predetermined threshold value；
Generation unit, the fault-signal for generating appropriate level according to the corresponding preset failure rank of difference.
Preferably, the device further includes：
Prompt unit, for sending out the prompt for completing fault detect.
The present invention provides a kind of server fan failure detectors, including：It is controlled after receiving fault detect instruction
Server fan accelerates rotation；The tachometer value when rotating speed of acquisition server fan reaches the limit values；Judge tachometer value and presets
Whether threshold value is consistent, if so, determining server fan is normal, if it is not, then determining server fan failure.The present invention is receiving
It after the fault detection signal sent to terminal, automatically controls server fan and accelerates rotation, until the turn up of server fan
To limiting value, i.e. the rotating speed of server fan can not improve again, at this point, the tachometer value of record current server fan, if should
Tachometer value is consistent with predetermined threshold value, then illustrates that fan does not have failure, if the tachometer value is inconsistent with predetermined threshold value, illustrates wind
Fan breaks down, and accelerates rotation to reach the method for detection failure by this server fan that automatically controls, compared to people
The method that work detects failure, improves the efficiency of fault detect.
The present invention also provides a kind of server fan fault detection systems, as shown in figure 3, Fig. 3 is provided by the invention
A kind of structural schematic diagram of server fan fault detection system, the system include：
Baseboard management controller BMC 101 accelerates rotation for control server fan after receiving fault detect instruction；
The tachometer value when rotating speed of acquisition server fan reaches the limit values；Judge whether tachometer value is consistent with predetermined threshold value, if so,
Determining server fan is normal, if it is not, then determining server fan failure；
Server fan 104.
Preferably, baseboard management controller BMC 101 is additionally operable to, in itself exception, export by universal input
GPIO 102 sends abnormal signal to complex programmable logic device (CPLD) 103；
Correspondingly, as shown in figure 3, the server fan fault detection system further includes：
CPLD 103 accelerates rotation for control server fan upon the reception of control signals；
GPIO 102, for receive BMC 101 transmission abnormal signal and be sent to CPLD 103.
The present invention provides a kind of server fan fault detection systems, including：It is controlled after receiving fault detect instruction
Server fan accelerates rotation；The tachometer value when rotating speed of acquisition server fan reaches the limit values；Judge tachometer value and presets
Whether threshold value is consistent, if so, determining server fan is normal, if it is not, then determining server fan failure.The present invention is receiving
It after the fault detection signal sent to terminal, automatically controls server fan and accelerates rotation, until the turn up of server fan
To limiting value, i.e. the rotating speed of server fan can not improve again, at this point, the tachometer value of record current server fan, if should
Tachometer value is consistent with predetermined threshold value, then illustrates that fan does not have failure, if the tachometer value is inconsistent with predetermined threshold value, illustrates wind
Fan breaks down, and accelerates rotation to reach the method for detection failure by this server fan that automatically controls, compared to people
The method that work detects failure, improves the efficiency of fault detect.
Detailed Jie has been carried out to a kind of server fan fault detection method provided by the present invention, apparatus and system above
It continues.Principle and implementation of the present invention are described for specific case used herein, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention.It should be pointed out that for those skilled in the art
For, it without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improve and repair
Decorations are also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of server fan fault detection method, which is characterized in that including：
Control server fan accelerates rotation after receiving fault detect instruction；
Obtain the tachometer value when rotating speed of the server fan reaches the limit values；
Judge whether the tachometer value is consistent with predetermined threshold value, if so, judging that the server fan is normal, if it is not, then sentencing
The fixed server fan failure.
2. server fan fault detection method according to claim 1, which is characterized in that refer to receiving fault detect
When controlling server fan acceleration rotation after order, further include：
In baseboard management controller BMC exceptions, GPIO transmission abnormal signals are exported by universal input and are patrolled to complex programmable
Device CPLD is collected, so that the CPLD controls the server fan after receiving the abnormal signal and accelerates rotation.
3. server fan fault detection method according to claim 2, which is characterized in that judging the server wind
After fan failure, further include：
Obtain the difference of the tachometer value and the predetermined threshold value；
The fault-signal of appropriate level is generated according to the corresponding preset failure rank of the difference.
4. server fan fault detection method according to claim 3, which is characterized in that in the judgement service
After device fan failure, further include：
Send out the prompt for completing fault detect.
5. a kind of server fan failure detector, which is characterized in that including：
Control unit accelerates rotation for control server fan after receiving fault detect instruction；
First acquisition unit, the tachometer value when rotating speed for obtaining the server fan reaches the limit values；
Judging unit, for judging whether the tachometer value is consistent with predetermined threshold value, if so, judging the server fan just
Often, if it is not, then judging the server fan failure.
6. server fan failure detector according to claim 5, which is characterized in that further include：
Transmission unit, in baseboard management controller BMC exceptions, by universal input export GPIO send control signal to
Complex programmable logic device (CPLD) adds so that the CPLD controls the server fan after receiving the control signal
Speed rotation.
7. server fan failure detector according to claim 6, which is characterized in that further include：
Second acquisition unit, the difference for obtaining the tachometer value and the predetermined threshold value；
Generation unit, the fault-signal for generating appropriate level according to the corresponding preset failure rank of the difference.
8. server fan failure detector according to claim 7, which is characterized in that further include：
Prompt unit, for sending out the prompt for completing fault detect.
9. a kind of server fan fault detection system, which is characterized in that including：
Baseboard management controller BMC accelerates rotation for control server fan after receiving fault detect instruction；Described in acquisition
The tachometer value when rotating speed of server fan reaches the limit values；Judge whether the tachometer value is consistent with predetermined threshold value, if so,
Judge that the server fan is normal, if it is not, then judging the server fan failure；
The server fan.
10. server fan fault detection system according to claim 9, which is characterized in that the substrate management control
Device BMC is additionally operable in itself exception, and exporting GPIO by universal input sends abnormal signal to Complex Programmable Logic Devices
CPLD；
Correspondingly, the server fan fault detection system further includes：
The CPLD accelerates rotation for controlling the server fan after receiving the control signal；
The GPIO, for receiving abnormal signal that the BMC is sent and being sent to the CPLD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810171638.XA CN108457888A (en) | 2018-03-01 | 2018-03-01 | A kind of server fan fault detection method, apparatus and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810171638.XA CN108457888A (en) | 2018-03-01 | 2018-03-01 | A kind of server fan fault detection method, apparatus and system |
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Family
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| CN109375750A (en) * | 2018-11-21 | 2019-02-22 | 郑州云海信息技术有限公司 | Control method, device, medium and the equipment of storage server fan cooling group |
| CN109857614A (en) * | 2018-12-28 | 2019-06-07 | 曙光信息产业(北京)有限公司 | A kind of disaster tolerance device and method of rack server |
| CN110103669A (en) * | 2019-05-28 | 2019-08-09 | 广州小鹏汽车科技有限公司 | A kind of fault handling method and device of radiator fan |
| CN110549113A (en) * | 2019-09-06 | 2019-12-10 | 东莞市冠佳电子设备有限公司 | full-automatic power supply assembly test line and assembly test process thereof |
| CN111124799A (en) * | 2019-11-08 | 2020-05-08 | 苏州浪潮智能科技有限公司 | Super-power-consumption protection device and protection method for PCIE (peripheral component interface express) accelerator card |
| CN114153693A (en) * | 2021-11-26 | 2022-03-08 | 苏州浪潮智能科技有限公司 | Server fan state monitoring method and device and storage medium |
| CN114281173A (en) * | 2021-11-29 | 2022-04-05 | 苏州浪潮智能科技有限公司 | Reliable heat dissipation control method and device for server |
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| CN111124799A (en) * | 2019-11-08 | 2020-05-08 | 苏州浪潮智能科技有限公司 | Super-power-consumption protection device and protection method for PCIE (peripheral component interface express) accelerator card |
| CN114153693A (en) * | 2021-11-26 | 2022-03-08 | 苏州浪潮智能科技有限公司 | Server fan state monitoring method and device and storage medium |
| CN114153693B (en) * | 2021-11-26 | 2023-11-14 | 苏州浪潮智能科技有限公司 | Method and device for monitoring fan state of server and storage medium |
| CN114281173A (en) * | 2021-11-29 | 2022-04-05 | 苏州浪潮智能科技有限公司 | Reliable heat dissipation control method and device for server |
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