CN114489290A - Fan control method, system, equipment and medium - Google Patents
Fan control method, system, equipment and medium Download PDFInfo
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- CN114489290A CN114489290A CN202111604630.6A CN202111604630A CN114489290A CN 114489290 A CN114489290 A CN 114489290A CN 202111604630 A CN202111604630 A CN 202111604630A CN 114489290 A CN114489290 A CN 114489290A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000004044 response Effects 0.000 claims abstract description 25
- 238000004590 computer program Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 230000008439 repair process Effects 0.000 description 1
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0793—Remedial or corrective actions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention discloses a fan control method, which comprises the following steps: detecting the real-time current of the fan; responding to the fact that the real-time current of the fan meets a preset condition within a first preset time period and does not exceed an over-current protection threshold value, generating first control information of the fan and sending the first control information to a fan controller; the fan controller controls the fan to stop rotating for a second preset time based on the first control signal; restarting the fan in response to the fan controller receiving second control information. The invention also discloses a system, a computer device and a readable storage medium. The technical purpose of preventing the fan from being burnt and the MOSFET and FUSE related protection circuits when the fan is out of control can be achieved by the scheme provided by the invention, and the fan fault isolation and the fan fault self-repair can be automatically realized without manual maintenance.
Description
Technical Field
The invention relates to the field of servers, in particular to a fan control method, a system, equipment and a storage medium.
Background
In the server system, a stable and reliable fan system is the basis for stable operation of the server. Without a complete dc fan fault protection and automatic recovery system, the fan may face short circuit burnout and related protection circuit burnout (switch Mosfet + fuse), and the fan fault analysis also poses a serious challenge.
Most of the existing direct current fan protection schemes are that a current surge protection circuit is added at the front end of a direct current fan, most of direct current fan damages are not damages directly caused by one-time overvoltage or overcurrent, but the fan rotating speed is out of control due to unknown interference and other factors, and the state can be kept in a high-speed full-speed rotating state until the fan is burnt out due to short circuit. When the fan is short-circuited, the Mosfet + FUSE circuit of the protection circuit is burnt out. The current surge protection circuit for this phenomenon cannot solve such problems. When the monitoring of the direct current fan is not perfect enough and the direct current fan is out of control, and continuous overcurrent occurs, the protection circuit does not play a role of protection because the overcurrent protection point is not triggered, and the circuit per se is burnt out, thereby bringing great challenges to subsequent problem analysis.
Disclosure of Invention
In view of the above, in order to overcome at least one aspect of the above problems, an embodiment of the present invention provides a fan control method, including:
detecting the real-time current of the fan;
responding to the fact that the real-time current of the fan meets a preset condition within a first preset time period and does not exceed an over-current protection threshold value, generating first control information of the fan and sending the first control information to a fan controller;
the fan controller controls the fan to stop rotating for a second preset time based on the first control signal;
restarting the fan in response to the fan controller receiving second control information.
In some embodiments, in response to that the real-time current of the fan does not exceed the over-current protection threshold and that a preset condition is met within a first preset time period, generating and sending fan first control information to the fan controller, further comprising:
and recording the current reason for stopping the rotation of the fan to a preset position.
In some embodiments, in response to the fan controller receiving the second control information, restarting the fan, further comprises:
and responding to the fact that the BMC detects that the fan stops rotating, acquiring the reason of the fan stopping rotating recorded in the preset position, and generating a second control signal according to the reason.
In some embodiments, further comprising:
the BMC sends the second control signal to a CPLD;
the CPLD sends a restart signal to a fan controller to reset the fan controller based on the second control signal.
In some embodiments, in response to the real-time current of the fan meeting a preset condition within a first preset time period and not exceeding an over-current protection threshold, generating and sending fan first control information to a fan controller, further comprising:
detecting whether the real-time current of the fan reaches an overcurrent protection threshold value;
protecting the fan with an over-current protection circuit in response to reaching an over-current protection threshold;
and in response to the condition that the change frequency of the real-time current of the fan is larger than a first threshold value within a first preset time period or the magnitude of the real-time current of the fan is continuously kept larger than the first threshold value within the first preset time period, generating first control information of the fan and sending the first control information to the fan controller.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a fan control system, including:
a detection module configured to detect a real-time current of the fan;
the judging module is configured to respond to the fact that the real-time current of the fan meets a preset condition within a first preset time period and does not exceed an over-current protection threshold value, generate first control information of the fan and send the first control information to the fan controller;
the control module is configured to enable the fan controller to control the fan to stop rotating for a second preset time based on the first control signal;
a restart module configured to restart the fan in response to the fan controller receiving second control information.
In some embodiments, the determination module is further configured to:
and recording the current reason for stopping the rotation of the fan to a preset position.
In some embodiments, the restart module is further configured to:
and responding to the fact that the BMC detects that the fan stops rotating, acquiring the reason of the fan stopping rotating recorded in the preset position, and generating a second control signal according to the reason.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a computer apparatus, including:
at least one processor; and
a memory storing a computer program operable on the processor, wherein the processor executes the program to perform any of the steps of the fan control method described above.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a computer-readable storage medium storing a computer program which, when executed by a processor, performs the steps of any of the fan control methods described above.
The invention has one of the following beneficial technical effects: the scheme provided by the invention can prevent the fan from being burnt, MOSFET and FUSE related protection circuits when the fan is out of control, automatically realize fan fault isolation, automatically repair fan fault and avoid manual maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
Fig. 1 is a schematic flow chart illustrating a fan control method according to an embodiment of the present invention;
FIG. 2 is a block flow diagram of a fan control method according to an embodiment of the present invention;
FIG. 3 is another block flow diagram of a fan control method according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a fan control system according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a computer device provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a computer-readable storage medium according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
According to an aspect of the present invention, an embodiment of the present invention provides a fan control method, as shown in fig. 1, which may include the steps of:
s1, detecting the real-time current of the fan;
s2, responding to the fact that the real-time current of the fan meets a preset condition within a first preset time period and does not exceed an over-current protection threshold value, generating first control information of the fan and sending the first control information to the fan controller;
s3, the fan controller controls the fan to stop rotating for a second preset time based on the first control signal;
and S4, in response to the fan controller receiving the second control information, restarting the fan.
The scheme provided by the invention can prevent the fan from being burnt, MOSFET and FUSE related protection circuits when the fan is out of control, automatically realize fan fault isolation and fan fault self-repair, avoid manual maintenance and reduce maintenance cost.
In some embodiments, in response to that the real-time current of the fan does not exceed the over-current protection threshold and that a preset condition is met within a first preset time period, generating and sending fan first control information to the fan controller, further comprising:
and recording the current reason for stopping the rotation of the fan to a preset position.
In some embodiments, in response to the fan controller receiving the second control information, restarting the fan, further comprises:
and responding to the fact that the BMC detects that the fan stops rotating, acquiring the reason of the fan stopping rotating recorded in the preset position, and generating a second control signal according to the reason.
In some embodiments, further comprising:
the BMC sends the second control signal to a CPLD;
the CPLD sends a restart signal to a fan controller to reset the fan controller based on the second control signal.
In some embodiments, in response to the real-time current of the fan meeting a preset condition within a first preset time period and not exceeding an over-current protection threshold, generating and sending fan first control information to a fan controller, further comprising:
detecting whether the real-time current of the fan reaches an overcurrent protection threshold value;
protecting the fan with an over-current protection circuit in response to reaching an over-current protection threshold;
and in response to the condition that the change frequency of the real-time current of the fan is larger than a first threshold value within a first preset time period or the magnitude of the real-time current of the fan is continuously kept larger than the first threshold value within the first preset time period, generating first control information of the fan and sending the first control information to the fan controller.
Specifically, as shown in fig. 2, the fan MCU is interfered by unknown factors, which causes the fan to run away. The out-of-control state belongs to the condition that the fan runs at a high speed or the change frequency of the rotating speed of the fan is too high, and the change frequency of the large current or the current generated by the fan is too high, but the change frequency does not reach the overcurrent protection point of the overcurrent protection circuit, so that the overcurrent protection function is not triggered. At this time, the overcurrent detection module can be used for detecting the continuous abnormal current and interacting with the prediction module. And the judging module compares and judges according to the information compiled in advance by the predicting module. And if the fan out-of-control condition is met, triggering a current sensitivity smart signal for the fan MCU. And the MCU module receives the current sensitivity smart signal, immediately stops the fan for a period of time, such as 10s, and performs protection locking.
Above process can receive unknown factor interference because of MCU, and lead to the fan out of control, and the fan is in high-speed rotation state, and produced heavy current does not reach the overcurrent protection point of overcurrent protection circuit, feeds back to the judgement module through overflowing the detection module, compares this kind of condition, if accord with the fan out of control condition, then triggers a current sensitivity smart signal for fan MCU, and MCU stall and protection are carried out to the fan at once. The automatic fan fault isolation function is completed, and the fan and related protection control circuits MOSfet and fuse can be prevented from being burnt out when short circuit is caused by fan faults.
In some embodiments, as shown in fig. 3, when the BMC module automatically detects that the fan is under stall protection, the BMC module interacts with information in the determination module, if the fan is stalled due to out-of-control. And then the BMC informs the CPLD, the CPLD gives a reset restart signal to the fan MCU, the MCU initializes by resetting the fan MCU, acquires the control right of the fan again and automatically starts the fan. After the fan is automatically started, the speed-adjustable normal state is automatically recovered. The runaway fan fails and recovers itself.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a fan control system 400, as shown in fig. 4, including:
a detection module 401 configured to detect a real-time current of the fan;
the judging module 402 is configured to generate first control information of the fan and send the first control information to the fan controller in response to that the real-time current of the fan meets a preset condition within a first preset time period and does not exceed an overcurrent protection threshold;
a control module 403 configured to cause the fan controller to control the fan to stop rotating for a second preset time based on the first control signal;
a restart module 404 configured to restart the fan in response to the fan controller receiving second control information.
In some embodiments, the determining module 402 is further configured to:
and recording the current reason for stopping the rotation of the fan to a preset position.
In some embodiments, the restart module 404 is further configured to:
and responding to the fact that the BMC detects that the fan stops rotating, acquiring the reason of the fan stopping rotating recorded in the preset position, and generating a second control signal according to the reason.
In some embodiments, the restart module 404 is further configured to:
the BMC sends the second control signal to a CPLD;
the CPLD sends a restart signal to a fan controller to reset the fan controller based on the second control signal.
In some embodiments, the determining module 402 is further configured to:
detecting whether the real-time current of the fan reaches an overcurrent protection threshold value;
protecting the fan with an over-current protection circuit in response to reaching an over-current protection threshold;
and in response to the condition that the change frequency of the real-time current of the fan is larger than a first threshold value within a first preset time period or the magnitude of the real-time current of the fan is continuously kept larger than the first threshold value within the first preset time period, generating first control information of the fan and sending the first control information to the fan controller.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 5, an embodiment of the present invention further provides a computer apparatus 501, comprising:
at least one processor 520; and
the memory 510, the memory 510 stores a computer program 511 that is executable on the processor, and the processor 520 executes the program to perform the steps of any of the above fan control methods.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 6, an embodiment of the present invention further provides a computer-readable storage medium 601, where the computer-readable storage medium 601 stores computer program instructions 610, and the computer program instructions 610, when executed by a processor, perform the steps of any of the fan control methods as above.
Finally, it should be noted that, as will be understood by those skilled in the art, all or part of the processes of the methods of the above embodiments may be implemented by a computer program, which may be stored in a computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above.
Further, it should be understood that the computer-readable storage medium herein (e.g., memory) can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the disclosure herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as software or hardware depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments of the present invention.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A fan control method is characterized by comprising the following steps:
detecting the real-time current of the fan;
responding to the fact that the real-time current of the fan meets a preset condition within a first preset time period and does not exceed an over-current protection threshold value, generating first control information of the fan and sending the first control information to a fan controller;
the fan controller controls the fan to stop rotating for a second preset time based on the first control signal;
restarting the fan in response to the fan controller receiving second control information.
2. The method of claim 1, wherein in response to the real-time current of the fan not exceeding the over-current protection threshold and meeting a preset condition for a first preset time period, generating and sending fan first control information to a fan controller, further comprising:
and recording the current reason for stopping the rotation of the fan to a preset position.
3. The method of claim 2, wherein restarting the fan in response to the fan controller receiving second control information, further comprises:
and responding to the fact that the BMC detects that the fan stops rotating, acquiring the reason of the fan stopping rotating recorded in the preset position, and generating a second control signal according to the reason.
4. The method of claim 3, further comprising:
the BMC sends the second control signal to a CPLD;
the CPLD sends a restart signal to a fan controller to reset the fan controller based on the second control signal.
5. The method of claim 1, wherein in response to the real-time current of the fan meeting a preset condition for a first preset time period and not exceeding an over-current protection threshold, generating and sending fan first control information to a fan controller, further comprising:
detecting whether the real-time current of the fan reaches an overcurrent protection threshold value;
protecting the fan with an over-current protection circuit in response to reaching an over-current protection threshold;
and in response to the condition that the change frequency of the real-time current of the fan is larger than a first threshold value within a first preset time period or the magnitude of the real-time current of the fan is continuously kept larger than the first threshold value within the first preset time period, generating first control information of the fan and sending the first control information to the fan controller.
6. A fan control system, comprising:
a detection module configured to detect a real-time current of the fan;
the judging module is configured to respond to the fact that the real-time current of the fan meets a preset condition within a first preset time period and does not exceed an over-current protection threshold value, generate first control information of the fan and send the first control information to the fan controller;
a control module configured to cause the fan controller to control the fan to stop rotating for a second preset time based on the first control signal;
a restart module configured to restart the fan in response to the fan controller receiving second control information.
7. The system of claim 6, wherein the determination module is further configured to:
and recording the current reason for stopping the rotation of the fan to a preset position.
8. The system of claim 7, wherein the restart module is further configured to:
and responding to the fact that the BMC detects that the fan stops rotating, acquiring the reason of the fan stopping rotating recorded in the preset position, and generating a second control signal according to the reason.
9. A computer device, comprising:
at least one processor; and
memory storing a computer program operable on the processor, characterized in that the processor executes the program to perform the steps of the method according to any of claims 1-5.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, is adapted to carry out the steps of the method according to any one of claims 1-5.
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| CN202111604630.6A CN114489290B (en) | 2021-12-24 | 2021-12-24 | Fan control method, system, equipment and medium |
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| CN202111604630.6A CN114489290B (en) | 2021-12-24 | 2021-12-24 | Fan control method, system, equipment and medium |
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| CN114489290B CN114489290B (en) | 2023-08-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117590917A (en) * | 2024-01-17 | 2024-02-23 | 苏州元脑智能科技有限公司 | Temperature control assembly |
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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 |
| CN113009997A (en) * | 2021-02-19 | 2021-06-22 | 山东英信计算机技术有限公司 | Control method and system of high-power direct-current power supply system |
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2021
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| CN101710694A (en) * | 2009-11-26 | 2010-05-19 | 上海大学 | Car engine cooling fan blocking/overcurrent protection system and method |
| US20140181583A1 (en) * | 2012-12-26 | 2014-06-26 | Hon Hai Precision Industry Co., Ltd. | Server and method for protecting against fan failure therein |
| CN105179286A (en) * | 2015-07-22 | 2015-12-23 | 小米科技有限责任公司 | Electric fan control method and device |
| 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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| CN117590917B (en) * | 2024-01-17 | 2024-04-23 | 苏州元脑智能科技有限公司 | Temperature control assembly |
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| CN114489290B (en) | 2023-08-08 |
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