CN113007117B - Fan speed regulation method and device based on multiple temperature senses - Google Patents
Fan speed regulation method and device based on multiple temperature senses Download PDFInfo
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- CN113007117B CN113007117B CN201911320154.8A CN201911320154A CN113007117B CN 113007117 B CN113007117 B CN 113007117B CN 201911320154 A CN201911320154 A CN 201911320154A CN 113007117 B CN113007117 B CN 113007117B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- 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
- G06F1/206—Cooling means comprising thermal management
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
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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
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- 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
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Abstract
The application discloses a fan speed regulation method and device based on multiple temperature senses, and the method comprises the following steps: acquiring a first type temperature value of a first type temperature sensing measurement; the first temperature sensor is arranged at a first equipment part with the correlation degree of the temperature rise speed and the traffic volume higher than a preset ratio; judging whether the rotating speed of the fan needs to be adjusted or not according to the first type of temperature value; if necessary, adjusting the rotating speed of the fan; if not, judging whether the current time is an execution time point taking the second duration as an execution interval period; if not, maintaining the current rotating speed of the fan; if so, acquiring a second type temperature value measured by a second type temperature sensor, and regulating the speed of the fan according to the second type temperature value; and after waiting for the first time period, continuing to execute the steps. This application combines the programming rate characteristic of different grade type equipment parts, and reasonable adjustment fan speed governing frequency also saves energy effectively and falls and make an uproar when guaranteeing equipment heat dissipation demand.
Description
Technical Field
The application relates to the technical field of electronic equipment control, in particular to a fan speed regulation method and device based on multiple temperature senses.
Background
With the rapid development of information storage technology, the power consumption of high-end equipment such as storage equipment and the like is higher and higher, the heat dissipation requirement of the equipment is also higher and higher, and the speed regulation of a fan is also an important problem. The reasonable fan speed regulation strategy can effectively guarantee the heat dissipation requirement of the equipment and prolong the service life of the fan as far as possible.
In practical applications, many types of device components (such as a main control board and a CPU) share the same set of fans for heat dissipation. Since the controller for the fan speed is mostly a single-threaded device, the fan speed is usually adjusted by using the same control cycle. However, taking the main control board and the CPU as examples, they are different types of device components, and the temperature rise speed is affected by the service to a different extent, and different control cycles are preferably adopted. Therefore, the method of uniformly controlling the frequency often has the problem that the temperature of the CPU is too high due to untimely adjustment or the temperature of the main control board is not adjusted too frequently, so that the temperature adjusting effect is not exerted.
In view of the above, it is an important need for those skilled in the art to provide a solution to the above technical problems.
Disclosure of Invention
The application aims to provide a fan speed regulation method and device based on multiple temperature senses, so that the temperature regulation frequency of a fan can be reasonably adjusted by combining the temperature rise speed characteristics of different types of equipment parts, the heat dissipation requirement of the equipment is guaranteed, and meanwhile energy is effectively saved and noise is reduced.
In order to solve the technical problem, in a first aspect, the application discloses a fan speed regulation method based on multiple temperature senses, including:
acquiring a first type temperature value generated by first type temperature sensing measurement; the first temperature sensor is arranged at a first equipment part with the correlation degree of the temperature rise speed and the traffic volume higher than a preset ratio;
judging whether the rotating speed of the fan needs to be adjusted or not according to the first type of temperature value;
if the rotating speed of the fan needs to be adjusted, adjusting the rotating speed of the fan according to the first type of temperature value;
if the rotating speed of the fan does not need to be adjusted, judging whether the current time is an execution time point taking a second duration as an execution interval period; if not, maintaining the current rotating speed of the fan; if so, acquiring a second type temperature value generated by a second type temperature sensing measurement, and regulating the speed of the fan according to the second type temperature value; the second temperature sensor is arranged at a second equipment part with the temperature rise speed and the correlation degree of the traffic volume not higher than the preset ratio;
after waiting for a first time period, continuing to execute the first-class temperature value generated by obtaining the first-class temperature sensing measurement and subsequent steps thereof; wherein the first duration is less than the second duration.
Optionally, the determining whether the rotation speed of the fan needs to be adjusted according to the first type of temperature value includes:
judging whether a first type of temperature value higher than a standard temperature threshold value of a corresponding equipment component exists;
if so, judging that the rotating speed of the fan needs to be adjusted;
and if not, judging that the rotating speed of the fan is not required to be adjusted.
Optionally, after determining that there is a first type of temperature value higher than a standard temperature threshold of a corresponding device component, adjusting the rotation speed of the fan according to the first type of temperature value includes:
and controlling the rotating speed of the fan to be increased.
Optionally, the adjusting the speed of the fan according to the second type temperature value includes:
judging whether a second type of temperature value higher than the upper temperature threshold of the corresponding equipment component exists;
if so, controlling the rotating speed of the fan to be increased;
if not, judging whether all the second-class temperature values are lower than the lower temperature threshold of the corresponding equipment component; if all the second temperature values are lower than the lower temperature threshold of the corresponding equipment part, controlling the rotating speed of the fan to be reduced; if all the second-type temperature values are not lower than the lower temperature threshold value of the corresponding equipment component, maintaining the current rotating speed of the fan;
wherein the lower temperature threshold of the same equipment component is less than the upper temperature threshold.
Optionally, the second duration is N times the first duration, and N is an integer;
after waiting for the first time period and before continuing to execute the steps of obtaining the first-class temperature value generated by the first-class temperature sensing measurement and the subsequent steps, the fan speed regulating method further comprises the following steps: adding 1 to the value of the counting variable;
the determining whether the current time is an execution time point using the second duration as the execution interval period includes:
judging whether the current value of the counting variable is greater than N;
if the value of the counting variable is larger than N, updating the value of the counting variable to 1;
if not, judging whether the current value of the counting variable is equal to N; if the current time is equal to N, judging that the current time is an execution time point taking the second duration as an execution interval period; and if not, judging that the current time is not an execution time point taking the second duration as an execution interval period.
Optionally, the first type of device component comprises a CPU; the second equipment component comprises a main control board and a hard disk.
In a second aspect, the present application further discloses a fan speed adjusting device based on multiple temperature senses, including:
the first judgment module is used for periodically acquiring a first type of temperature value generated by first type of temperature sensing measurement by taking a first duration as an execution interval period, and judging whether the rotating speed of the fan needs to be adjusted or not according to the first type of temperature value; the first temperature sensor is arranged at a first equipment part with the correlation degree of the temperature rise speed and the traffic volume higher than a preset ratio;
the first processing module is used for adjusting the rotating speed of the fan according to the first type of temperature value after the first judging module judges that the rotating speed of the fan needs to be adjusted;
the period judging module is used for judging whether the current time is an execution time point taking a second duration as an execution interval period or not after the first judging module judges that the rotation speed of the fan does not need to be adjusted; if not, maintaining the current rotating speed of the fan;
the second processing module is used for acquiring a second type of temperature value generated by a second type of temperature sensing measurement after the period judging module judges that the current time is an execution time point taking a second duration as an execution interval period; regulating the speed of the fan according to the second temperature value; the second temperature sensor is arranged at a second equipment part with the temperature rise speed and the correlation degree of the traffic volume not higher than the preset ratio; wherein the first duration is less than the second duration.
Optionally, the first determining module is specifically configured to:
judging whether a first type of temperature value higher than a standard temperature threshold value of a corresponding equipment component exists; if so, judging that the rotating speed of the fan needs to be adjusted; and if not, judging that the rotating speed of the fan is not required to be adjusted.
Optionally, the first processing module is specifically configured to:
and after the first judging module judges that a first class temperature value higher than a standard temperature threshold value of the corresponding equipment component exists, controlling the rotating speed of the fan to be increased.
Optionally, the second processing module includes:
the high temperature judging unit is used for judging whether a second type of temperature value higher than the upper temperature threshold value of the corresponding equipment component exists or not;
the speed-up control unit is used for controlling the rotating speed of the fan to be increased after the high-temperature judgment judges that a second temperature value higher than an upper temperature threshold value of a corresponding equipment part exists;
the low-temperature judging unit is used for judging whether all the second type temperature values are lower than the lower temperature threshold value of the corresponding equipment component or not after judging that the second type temperature values higher than the upper temperature threshold value of the corresponding equipment component do not exist in the high-temperature judgment;
the speed reduction control unit is used for controlling the rotating speed of the fan to be reduced after the low-temperature judging unit judges that all the second temperature values are lower than the lower temperature threshold of the corresponding equipment parts;
wherein the lower temperature threshold of the same equipment component is less than the upper temperature threshold.
Optionally, the second duration is N times the first duration, and N is an integer;
the first processing module is further configured to: after waiting for a first time period, before continuing to execute the first-class temperature value generated by obtaining the first-class temperature sensing measurement and the subsequent steps, adding 1 to the value of the counting variable;
the period judgment module is specifically configured to: judging whether the current value of the counting variable is larger than N; if the value of the counting variable is larger than N, updating the value of the counting variable to 1; if not, judging whether the current value of the counting variable is equal to N; if the current time is equal to N, judging that the current time is an execution time point taking the second duration as an execution interval period; and if not, judging that the current time is not an execution time point taking the second duration as an execution interval period.
The fan speed regulation method based on multi-temperature comprises the following steps: acquiring a first type temperature value generated by first type temperature sensing measurement; the first temperature sensor is arranged at a first equipment part with the temperature rise speed and the correlation degree of the traffic volume higher than a preset ratio; judging whether the rotating speed of the fan needs to be adjusted or not according to the first type of temperature value; if the rotating speed of the fan needs to be adjusted, adjusting the rotating speed of the fan according to the first type of temperature value; if the rotating speed of the fan does not need to be adjusted, judging whether the current time is an execution time point taking a second duration as an execution interval period; if not, maintaining the current rotating speed of the fan; if so, acquiring a second type temperature value generated by a second type temperature sensing measurement, and regulating the speed of the fan according to the second type temperature value; the second temperature sensor is arranged at a second equipment part with the temperature rise speed and the correlation degree of the traffic volume not higher than the preset ratio; after waiting for a first time period, continuing to execute the first-class temperature value generated by obtaining the first-class temperature sensing measurement and subsequent steps thereof; wherein the first duration is less than the second duration.
Therefore, the temperature regulation method and the device have the advantages that the temperature regulation operation of the second equipment part which has a larger temperature regulation control period and is not strongly related to the service is embedded in the periodic temperature regulation operation of the first equipment part which is strongly related to the service, and the fan speed regulation is carried out based on the second temperature value of the second equipment part only when the first equipment part does not need to regulate the fan rotating speed and the current time is the temperature regulation execution time point of the second equipment part, so that the condition that the first equipment part is overheated due to untimely temperature regulation is effectively prevented, the equipment heat dissipation is guaranteed, the problem that the fan speed regulation is frequently carried out when the temperature of the second equipment part is not stable is also avoided, the service life of the fan is prolonged, and energy conservation and noise reduction are facilitated. The fan speed adjusting device based on multi-temperature-sensing provided by the application also has the beneficial effects.
Drawings
In order to more clearly illustrate the technical solutions in the background art and the embodiments of the present application, the drawings that are needed to be used in the description of the background art and the embodiments of the present application will be briefly described below. Of course, the following description of the drawings related to the embodiments of the present application is only a part of the embodiments of the present application, and it will be obvious to those skilled in the art that other drawings can be obtained from the provided drawings without any creative effort, and the obtained other drawings also belong to the protection scope of the present application.
FIG. 1 is a flow chart of a method for regulating fan speed based on multiple temperature senses as disclosed in an embodiment of the present application;
FIG. 2 is a flow chart of another method for regulating fan speed based on multi-temperature sensing disclosed in the embodiments of the present application;
FIG. 3 is a flow chart of another method for regulating fan speed based on multi-temperature sensing disclosed in the embodiments of the present application;
fig. 4 is an application scenario embodiment of a fan speed regulation method based on multiple temperature senses disclosed in the embodiment of the present application;
fig. 5 is a block diagram of a fan speed adjusting device based on multiple temperature senses according to an embodiment of the present application;
fig. 6 is a block diagram of a second processing module according to an embodiment of the present disclosure;
fig. 7 is a block diagram of an electronic device according to an embodiment of the present disclosure.
Detailed Description
The core of the application lies in providing a fan speed regulation method and device based on multiple temperature senses, so that the temperature rise speed characteristics of different types of equipment components are combined, the speed regulation frequency of the fan is reasonably adjusted, the heat dissipation requirements of the equipment are guaranteed, and meanwhile energy is effectively saved and noise is reduced.
In order to more clearly and completely describe the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
At present, the heat dissipation requirement of equipment is higher and higher, and fan speed regulation has become an important problem. The reasonable fan speed regulation strategy can effectively guarantee the heat dissipation requirement of the equipment and prolong the service life of the fan as far as possible. In practical application, multiple types of equipment parts (such as a main control board and a CPU) share the same set of fans for heat dissipation. Because the controller of the fan rotating speed is mostly a single-thread device, the same control period is adopted for adjusting the rotating speed of the fan. However, taking the main control board and the CPU as examples, they are different types of device components, have different heating rates, and preferably adopt different control cycles. Therefore, the method of uniformly controlling the frequency often has the problem that the temperature of the CPU is too high due to untimely adjustment or the temperature of the main control board is not adjusted too frequently, so that the temperature adjusting effect is not exerted. In view of this, the present application provides a fan speed regulation scheme based on multiple temperature senses, which can effectively solve the above problems.
Referring to fig. 1, an embodiment of the present application discloses a fan speed regulation method based on multiple temperature senses, which mainly includes:
s101: and acquiring a first type temperature value generated by the first type temperature sensing measurement.
The first temperature sensor is arranged at a first equipment component with the temperature rise speed and the correlation degree of the traffic volume higher than a preset ratio.
It should be noted that in the fan speed control method provided by the present application, the temperature sensing is divided into two categories according to the temperature sensing, i.e. the temperature rising speed characteristic of the equipment component where the temperature sensor is installed. The first temperature sensor is arranged at a first equipment part with the temperature rise speed and the traffic volume correlation higher than a preset ratio; the second type temperature sensor is arranged at a second type equipment part with the correlation degree of the temperature rise speed and the traffic volume not higher than a preset ratio.
The first type of equipment component has a higher correlation degree between the heating speed and the traffic volume than a preset ratio because of being strongly correlated with the traffic volume. Specifically, when the running task changes, the resource utilization rate of the first type of equipment component by the equipment also changes rapidly, so that the temperature of the first type of equipment component also changes rapidly. The time for this change to occur is short, perhaps only two to three seconds (e.g., during the start-up of a task). For example, the CPU belongs to the first kind of device component, and when the device suddenly increases one service operation, the CPU occupancy rate will rise immediately, possibly by more than 10% after 2 seconds, and is accompanied by a phenomenon of hair scald. It can be seen that the first type of equipment unit has a greater correlation between the rate of temperature rise and the operation of the service, and a smaller (e.g., second-order) fan speed control period is preferred. If the control period is too long, the first equipment part may be overheated due to insufficient heat dissipation in time, and in a serious case, the device may be damaged.
The second type of equipment component has a temperature rise speed not more than a preset ratio relative to the traffic because the second type of equipment component is not strongly related to the traffic. Specifically, when the running task changes, the change of the resource utilization rate of the second equipment component by the equipment is not large relative to the first equipment component, and further, the temperature change of the second equipment component is not rapid and is not obvious. For example, the main control board belongs to a second kind of equipment unit, when the equipment suddenly adds a service for operation, since the devices and circuits on the main control board are mostly used for running basic services and are not directly affected too much, the temperature of the main control board does not change fast, the amount of change is not large, and only two or three degrees of rise may occur after one minute. It can be seen that the temperature rise rate of the second type of equipment component is less correlated to the operation of the service, and a larger (e.g., minute-scale) fan speed control period is preferably used. If the control period is too small, after the rotating speed of the fan is adjusted once, the temperature of the second equipment part possibly enters the next control period before being stabilized, so that the fan is always in a speed regulation state, and the use loss of the fan is increased.
Specifically, the first type equipment component and the second type equipment component may be discriminated based on the correlation of the temperature increase rate and the traffic: the equipment parts with the correlation degree higher than the preset ratio are the first type of equipment parts, and the equipment parts with the correlation degree not higher than the preset ratio are the second type of equipment parts. Of course, the person skilled in the art can set a reasonable preset ratio according to the actual application requirements. But in general, CPUs belong to a first class of device components; the main control board and the hard disk are second type of device components, and it should be noted here that a general main control board may include a CPU, but the main control board mentioned in this embodiment does not include a CPU, and the second type of temperature sensing includes temperature sensing at an air inlet of the main control board, and is mainly used for monitoring temperature conditions of other devices on the main control board except the CPU.
S102: judging whether the rotating speed of the fan needs to be adjusted or not according to the first type of temperature value; if yes, entering S103; if not, the process proceeds to S104.
Specifically, the first type of temperature sensor is installed at the first type of equipment component, and the measured first type of temperature value is the temperature value of the corresponding first type of equipment component. It is easy to understand that when the temperature value of the first type is too high, the safe operation of the first type equipment part is not facilitated, and the rotation speed of the fan needs to be adjusted.
It should be further noted that the first type of device component may be specifically a plurality of or even a plurality of, and correspondingly, the first type of temperature value may also be specifically a plurality of.
In addition, the fan in the embodiment of the present application may be specifically one fan, or may be a group of fans that are uniformly controlled. Also, as a specific example, the fan may employ a gear speed regulation mechanism.
S103: adjusting the rotating speed of the fan according to the first type of temperature value; the process proceeds to S107.
It should be noted that, because the first-class device component is a component strongly related to the traffic, and the correlation between the heating rate and the traffic is higher than the preset ratio, and whether normal heat dissipation will affect the service operation to a great extent, in this embodiment of the present application, the temperature adjustment of the first-class device component is specifically used as a main point, that is, it is determined whether fan speed adjustment is needed or not according to the first-class temperature at the first-class device component, if needed, the fan speed adjustment is performed immediately, and after the adjustment is completed, the next adjustment cycle is directly waited to enter without considering the heat dissipation condition of the second-class device component. Therefore, the heat dissipation of the first type of equipment parts can be guaranteed fully and preferentially, and the problem that the first type of equipment parts are overheated due to untimely speed regulation of the fan is avoided.
S104: judging whether the current time is an execution time point taking the second duration as an execution interval period; if not, entering S105; if yes, the process proceeds to S106.
It should be noted that, after it is determined that the first-type temperature value at the first-type equipment component is appropriate without adjusting the rotation speed of the fan in step S103, whether to perform fan speed adjustment according to the second-type temperature value at the second-type equipment component may be considered again.
It is noted that the present application specifically utilizes two control frequencies for asynchronous fan regulation, since the control cycles appropriate for the two types of equipment components are not the same. Specifically, the execution interval period for fan speed regulation according to the first type of temperature value is a first duration, and the execution interval period for fan speed regulation according to the second type of temperature value is a second duration; and the first duration is less than the second duration.
When judging that the first-class temperature value at the first-class equipment part is appropriate without adjusting the rotating speed of the fan, and considering whether the speed of the fan is regulated according to the second-class temperature value at the second-class equipment part, whether the execution time point of the temperature regulation control cycle of the second-class equipment part is reached or not needs to be judged. If the current time is not the execution time point taking the second duration as the execution interval period, the fan speed regulation is not required to be carried out according to the second type of temperature value, and the current fan rotating speed can be continuously maintained. Therefore, the fan speed can be effectively prevented from being frequently regulated when the second temperature value of the second equipment component is not stable.
S105: maintaining the current rotating speed of the fan; the process proceeds to S107.
S106: acquiring a second type temperature value generated by the second type temperature sensing measurement, and regulating the speed of the fan according to the second type temperature value; the process proceeds to S107.
Wherein, as described above, the second type temperature sensor is installed at the second type equipment part whose correlation between the temperature rise rate and the traffic is not higher than the preset ratio.
Specifically, when the first-class temperature value of the first-class equipment component is appropriate and does not need to be adjusted in speed for the fan, and the current time is the execution time point of the speed adjustment cycle of the second-class equipment component, the second-class temperature value of the second-class equipment component can be obtained, so that the speed of the fan can be adjusted according to the second-class temperature value.
S107: after waiting for the first time period, the process proceeds to S101.
Wherein the first duration is less than the second duration. Specifically, the temperature regulation control period of the first type equipment component is a first time length, and therefore, after the first time length, the operation enters the step S101 again to start the fan speed regulation in the next control period of the first type equipment component.
As an embodiment, the first time period may be embodied as 5s, and the second time period may be embodied as 30 s. Of course, a person skilled in the art may also set other suitable values for the first duration and the second duration according to the actual application requirement, which is not limited in the present application.
The fan speed regulation method based on multi-temperature sensing provided by the embodiment of the application comprises the following steps: acquiring a first type temperature value generated by first type temperature sensing measurement; the first temperature sensor is arranged at a first equipment part with the correlation degree of the temperature rise speed and the traffic volume higher than a preset ratio; judging whether the rotating speed of the fan needs to be adjusted or not according to the first type of temperature value; if the rotating speed of the fan needs to be adjusted, adjusting the rotating speed of the fan according to the first type of temperature value; if the rotating speed of the fan does not need to be adjusted, judging whether the current time is an execution time point taking the second duration as an execution interval period; if not, maintaining the current rotating speed of the fan; if so, acquiring a second type temperature value generated by the second type temperature sensing measurement, and regulating the speed of the fan according to the second type temperature value; the second temperature sensor is arranged at a second equipment part with the correlation degree of the temperature rise speed and the traffic volume not higher than a preset ratio; after waiting for the first time, continuously acquiring a first-class temperature value generated by the first-class temperature sensing measurement and subsequent steps of the first-class temperature value; wherein the first duration is less than the second duration.
Therefore, the temperature regulation operation of the second equipment part which has a larger temperature regulation control period and is not strongly related to the service volume is embedded in the periodic temperature regulation operation of the first equipment part which is strongly related to the service volume, and only when the first equipment part does not need to regulate the rotating speed of the fan and the current time is the temperature regulation execution time point of the second equipment part, the fan speed regulation is carried out based on the second temperature value of the second equipment part, so that the condition that the first equipment part is overheated due to untimely temperature regulation is effectively prevented, the equipment heat dissipation is ensured, the problem that the fan speed regulation is frequently carried out when the temperature of the second equipment part is not stable is also avoided, the service life of the fan is prolonged, and the energy conservation and the noise reduction are facilitated.
Referring to fig. 2, an embodiment of the present application discloses another fan speed regulation method based on multiple temperature senses, which mainly includes:
s201: and acquiring a first type temperature value generated by the first type temperature sensing measurement.
The first temperature sensor is arranged at a first equipment component with the temperature rise speed and the correlation degree of the traffic volume higher than a preset ratio.
S202: judging whether a first type of temperature value higher than a standard temperature threshold value of a corresponding equipment component exists; if yes, entering S203; if not, the process proceeds to S204.
Specifically, as a specific embodiment, when determining whether the rotation speed of the fan needs to be adjusted according to the first-class temperature value, the method for regulating speed of a fan based on multi-temperature sensing disclosed in this embodiment may specifically determine whether the first-class temperature value higher than the standard temperature threshold of the corresponding device component exists; if so, judging that the rotating speed of the fan needs to be adjusted; if not, the rotation speed of the fan is judged not to be required to be adjusted.
It should be noted that, since there may be a plurality of first-type equipment components, when comparing with the standard temperature threshold, it is necessary to compare with the standard temperature threshold of the corresponding equipment component. And, as long as the first type temperature value of any one first type equipment component is higher than the corresponding standard temperature threshold, the operation can go to S203 to increase the rotation speed of the fan.
S203: controlling the rotating speed of the fan to increase; the process proceeds to S207.
S204: judging whether the current time is an execution time point taking the second duration as an execution interval period; if not, the process goes to S205; if yes, the process proceeds to S206.
S205: maintaining the current rotating speed of the fan; the process proceeds to S207.
S206: acquiring a second type temperature value generated by the second type temperature sensing measurement, and regulating the speed of the fan according to the second type temperature value; the process proceeds to S207.
And the second temperature sensor is arranged at a second equipment part of which the correlation degree of the temperature rise speed and the traffic is not higher than a preset ratio.
S207: after waiting for the first time period, the process proceeds to S201.
Wherein the first duration is less than the second duration.
On the basis of the above, as a specific embodiment, the second duration may be specifically set to be an integral multiple of the first duration, so that whether the execution time point of the temperature regulation control cycle of the second type of equipment component is reached can be judged by counting the temperature regulation control cycles of the first type of equipment component.
Specifically, referring to fig. 3, an embodiment of the present application discloses another fan speed regulation method based on multiple temperature senses, which mainly includes:
s301: and acquiring a first type temperature value generated by the first type temperature sensing measurement.
The first temperature sensor is arranged at a first equipment component with the temperature rise speed and the correlation degree of the traffic volume higher than a preset ratio.
S302: judging whether a first type of temperature value higher than a standard temperature threshold value of a corresponding equipment component exists; if yes, entering S309; if not, the process proceeds to S303.
S303: judging whether the current value of the counting variable is larger than N; if yes, entering S304; if not, the process proceeds to S305.
Specifically, in this embodiment, the second duration is N times the first duration, and N is an integer. When the first duration is denoted by T1 and the second duration is denoted by T2, T2 is T1 × N.
S304: updating the value of the counting variable to 1; the process proceeds to S311.
In particular, the temperature control cycle of the first type of equipment component is exactly one temperature control cycle of the second type of equipment component when counting to N. Thus, when the count variable is greater than N, the count variable needs to be reset to 1 in order to restart counting.
S305: judging whether the current value of the counting variable is equal to N; if yes, entering S306; if not, the process proceeds to S311.
Specifically, when the temperature regulation control period of the first type of equipment component counts to N, it indicates that it is the execution time point for the second type of equipment component to perform fan speed regulation, and thus, the process may proceed to S306 to perform fan speed regulation according to the acquired second type of temperature value.
S306: acquiring a second temperature value generated by a second temperature sensing measurement; the process proceeds to S307.
And the second type of temperature sensor is arranged at the second type of equipment part, the correlation degree of the temperature rise speed and the traffic is not higher than a preset ratio.
S307: judging whether a second type of temperature value higher than the upper temperature threshold of the corresponding equipment component exists; if yes, entering S309; if not, the process proceeds to S308.
As a specific embodiment, in the process of regulating the speed of the fan according to the second-type temperature value, two temperature thresholds are specifically set for the second-type temperature value of each second-type device component: an upper temperature threshold and a lower temperature threshold. Wherein the lower temperature threshold of the same equipment component is less than the upper temperature threshold.
When the second type temperature value is higher than the upper temperature threshold of the corresponding equipment component, step S309 may be entered to increase the fan speed. Here, the temperature values of the first type may be similar, that is, the rotation speed of the fan may be controlled to be increased as long as any one of the temperature values of the second type is higher than the upper temperature threshold.
S308: judging whether all the second-class temperature values are lower than the lower temperature threshold of the corresponding equipment component or not; if yes, entering S310; if not, the process proceeds to S311.
Specifically, if none of the second type temperature values is higher than the upper temperature threshold of the corresponding device component, it may be further determined whether all of the second type temperature values are lower than the lower temperature threshold of the corresponding device component. It should be noted that in the present embodiment, the process proceeds to S310 to decrease the fan speed only when all the second type temperature values are too low.
If the second temperature value higher than the corresponding upper temperature threshold value does not exist, and all the second temperature threshold values are lower than the respective lower temperature threshold values, the speed of the fan does not need to be regulated, and the current rotating speed of the fan can be maintained.
S309: controlling the rotating speed of the fan to increase; the process proceeds to S312.
S310: controlling the rotating speed of the fan to be reduced; the process proceeds to S312.
S311: maintaining the current rotating speed of the fan; the process proceeds to S312.
S312: after waiting for the first time period, adding 1 to the value of the counting variable; the process proceeds to S301.
Wherein the first duration is less than the second duration.
In particular, as mentioned above, the counting variable is used for counting tempering control cycles of the first type of equipment component. Therefore, every time after the interval of the first length of time, the count variable is incremented by 1 before proceeding to S101 again.
The method for regulating the speed of the fan based on multi-temperature sensing provided by the application will be described below with reference to specific application scenarios.
Specifically, referring to fig. 4, fig. 4 is an application scenario embodiment of a fan speed regulation method based on multi-temperature sensing disclosed in the embodiment of the present application, and the application scenario embodiment mainly includes:
s401: and acquiring a CPU temperature value generated by the first temperature-sensing measurement.
Specifically, the device for dissipating heat by using the fan in the embodiment is specifically a cloud storage device of model CX 1836-V2. The cloud storage device is provided with 1 main control board (SCU single board) and 36 SATA hard disks, and heat dissipation is carried out on the basis of a group of fans. Meanwhile, the fan of the cloud storage device adopts a gear speed regulation mechanism, four speed regulation gears are provided, and the corresponding rotating speeds are 80%, 66%, 56% and 50% from high to low. Typically, the fan may default to 56% speed after start-up.
In this embodiment, the first type of temperature value participating in the fan speed regulation to reduce the temperature is the CPU temperature value, and the second type of temperature value participating in the fan speed regulation to reduce the temperature is the main control board air inlet temperature value and the hard disk temperature value.
S402: judging whether the temperature value of the CPU is higher than 85 ℃; if yes, entering S409; if not, the process proceeds to S403.
The CPU chip will be degraded or even burned when the temperature is too high, therefore, the standard temperature threshold of the CPU can be set according to the specification of the CPU chip, and a certain reasonable margin can be left. In the present embodiment, the standard temperature threshold of the CPU is specifically set to 85 ℃.
S403: judging whether K is more than 6; if yes, entering S404; if not, the process proceeds to S405.
Wherein K is a counting variable. A first time period denoted by T1, and a second time period denoted by T2; the specific values of the two in the embodiment are T1 ═ 5s, and T2 ═ 30s respectively; t2 is T1 × 6, that is, every time the CPU counts up to 6 cycles of the fan speed control, there are 1 cycle of the fan speed control by the main control board and the hard disk. When the count variable is greater than 6, then the count variable needs to be reset to 1 in order to restart counting.
S404: let K equal to 1; the process proceeds to S411.
S405: judging whether K is equal to 6 or not; if yes, go to S406; if not, the process proceeds to S411.
Specifically, when K is 6, the current time is an execution time point when the main control board and the hard disk regulate the speed of the fan, and S406 may be performed to obtain a main control board air inlet temperature value and a hard disk temperature value; if K is not more than 6 and not equal to 6, namely K is less than 6, it indicates that the current execution time point of the main control board and the hard disk for regulating the speed of the fan is not reached, so that the current fan rotating speed can be maintained, adjustment is not performed any more, and the next CPU speed regulation control period for the fan is waited to enter.
S406: acquiring a main control board air inlet temperature value and a hard disk temperature value generated by the second temperature-sensing measurement; the process proceeds to S407.
S407: judging whether the temperature value of an air inlet of the main control board is higher than 47 ℃ or the temperature value of the hard disk is higher than 58 ℃; if yes, entering S409; if not, the process proceeds to S408.
In this embodiment, considering that the environmental temperature specification of the machine room where the cloud storage device is located is 35 ℃, when the fan is in the lowest gear, the temperature difference between the stabilized environmental temperature and the air inlet of the main control board is 12 ℃, so that the upper temperature threshold value of the air inlet of the main control board is specifically set to 47 ℃. Further, considering setting a 3 ℃ return difference value, the lower temperature threshold at the air inlet of the main control board may be set to 44 ℃.
If the temperature of the hard disk is higher than 68 ℃, the performance of the hard disk will be seriously affected, and a margin of 10 ℃ is set, so that the upper temperature threshold of the hard disk is specifically set to 58 ℃. Further, considering setting a 3 ℃ return difference value, the lower temperature threshold of the hard disk may be set to 55 ℃. The temperature thresholds in this embodiment can be seen in table 1.
TABLE 1
S408: judging whether the temperature value of the air inlet of the main control board is less than 44 ℃ and the temperature value of the hard disk is less than 55 ℃ or not; if yes, entering S410; if not, the process proceeds to S411.
S409: controlling the rotating speed of the fan to increase by one gear; the process proceeds to S412.
S410: controlling the rotating speed of the fan to be reduced by one gear; the process proceeds to S412.
S411: maintaining the current rotating speed gear of the fan; the process proceeds to S412.
S412: after waiting for 5s, adding 1 to the value of K; the process proceeds to S401.
Referring to fig. 5, an embodiment of the present application discloses a fan speed adjusting device based on multiple temperature senses, which mainly includes:
the first judging module 501 is configured to periodically obtain a first type of temperature value generated by first type of temperature sensing measurement with a first duration as an execution interval period, and judge whether to adjust the rotation speed of the fan according to the first type of temperature value; the first temperature sensor is arranged at a first equipment part with the correlation degree of the temperature rise speed and the traffic volume higher than a preset ratio;
the first processing module 502 is configured to adjust the rotation speed of the fan according to the first type of temperature value after the first determining module 501 determines that the rotation speed of the fan needs to be adjusted;
a period judging module 503, configured to judge whether the current time is an execution time point taking the second duration as an execution interval period after the first judging module 501 judges that the rotation speed of the fan does not need to be adjusted; if not, maintaining the current rotating speed of the fan;
a second processing module 504, configured to obtain a second type of temperature value generated by the second type of temperature sensing measurement after the period determining module 503 determines that the current time is an execution time point in which the second duration is used as an execution interval period; and regulating the speed of the fan according to the second temperature value; the second temperature sensor is arranged at a second equipment part with the correlation degree of the temperature rise speed and the traffic volume not higher than a preset ratio; wherein the first duration is less than the second duration.
Therefore, the fan speed regulating device based on multi-temperature-sensing disclosed by the embodiment of the application embeds the temperature regulation operation of the second equipment part which has a larger temperature regulation control period and is not strongly related to business in the periodic temperature regulation operation of the first equipment part related to business intensity, and only when the first equipment part does not need to adjust the rotating speed of the fan and the current time is the temperature regulation execution time point of the second equipment part, the fan speed regulation is carried out based on the second temperature value of the second equipment part, so that the condition that the first equipment part is overheated due to untimely temperature regulation is effectively prevented, the heat dissipation of equipment is ensured, the problem that the fan speed regulation is frequently carried out when the temperature of the second equipment part is not stable is also avoided, the service life of the fan is prolonged, and energy conservation and noise reduction are facilitated.
For the specific content of the fan speed adjusting device based on multiple temperature senses, reference may be made to the foregoing detailed description of the fan speed adjusting method based on multiple temperature senses, and details thereof are not repeated herein.
As a specific embodiment, on the basis of the foregoing content, the first determining module 501 of the fan speed adjusting device based on multi-temperature sensing disclosed in the embodiment of the present application is specifically configured to:
judging whether a first type of temperature value higher than a standard temperature threshold value of a corresponding equipment component exists; if so, judging that the rotating speed of the fan needs to be adjusted; if not, the rotation speed of the fan is judged not to be required to be adjusted.
As a specific embodiment, in the fan speed adjusting device based on multiple temperature senses disclosed in the embodiment of the present application, on the basis of the foregoing content, the first processing module 502 is specifically configured to:
after the first judging module 501 judges that the first type of temperature value higher than the standard temperature threshold value of the corresponding equipment component exists, the rotating speed of the fan is controlled to be increased.
Referring to fig. 6, fig. 6 is a block diagram of a second processing module 504 disclosed in the embodiment of the present application.
As a specific embodiment, in the fan speed adjusting device based on multi-temperature sensing disclosed in the embodiment of the present application, on the basis of the foregoing content, the second processing module 504 includes:
a high temperature determination unit 601 for determining whether there is a second type of temperature value higher than the upper temperature threshold of the corresponding equipment component;
a speed-up control unit 602, configured to control the rotation speed of the fan to increase after the high-temperature determination unit 601 determines that the second type of temperature value higher than the upper temperature threshold value of the corresponding equipment component exists;
a low temperature judging unit 603, configured to judge whether all the second type temperature values are lower than the lower temperature threshold of the corresponding equipment component after the high temperature judging unit 601 judges that there is no second type temperature value higher than the upper temperature threshold of the corresponding equipment component;
a speed reduction control unit 604, configured to control the rotation speed of the fan to be reduced after the low-temperature determination unit 603 determines that all the second type temperature values are lower than the lower temperature threshold of the corresponding equipment component;
wherein the lower temperature threshold of the same equipment component is less than the upper temperature threshold.
As a specific embodiment, on the basis of the above contents, the fan speed adjusting device based on multi-temperature sensing disclosed in the embodiment of the present application has a second time duration that is N times of a first time duration, where N is an integer;
the first processing module 502 is further configured to: after waiting for a first time period, before continuing to acquire a first-class temperature value generated by first-class temperature sensing measurement and subsequent steps, adding 1 to the value of the counting variable;
the period determination module 503 is specifically configured to: judging whether the current value of the counting variable is larger than N; if the value is larger than N, updating the value of the counting variable to 1; if not, judging whether the current value of the counting variable is equal to N; if the current time is equal to N, judging that the current time is an execution time point taking the second duration as an execution interval period; if not, judging that the current time is not an execution time point taking the second duration as an execution interval period.
As a specific embodiment, the fan speed adjusting device based on multi-temperature sensing disclosed in the embodiments of the present application, on the basis of the above contents, the first type of device component includes a CPU; the second type of equipment component comprises a main control board and a hard disk.
Referring to fig. 7, an embodiment of the present application discloses an electronic device, including:
a memory 701 for storing a computer program;
a processor 702 for executing the computer program to implement the steps of any of the multi-temperature sensing based fan speed control methods described above.
Further, the embodiment of the present application also discloses a computer-readable storage medium, in which a computer program is stored, and the computer program is used for implementing the steps of any one of the fan speed regulation methods based on multi-temperature sensing described above when being executed by a processor.
For the details of the electronic device and the computer-readable storage medium, reference may be made to the foregoing detailed description of the method for adjusting the speed of the fan based on multi-temperature sensing, and details thereof are not repeated here.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the equipment disclosed by the embodiment, the method disclosed by the embodiment corresponds to the equipment disclosed by the embodiment, so that the description is simple, and the relevant parts can be referred to the method part for description.
It is further noted that, throughout this document, relational terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The technical solutions provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the present application.
Claims (10)
1. A fan speed regulation method based on multi-temperature is characterized by comprising the following steps:
acquiring a first type temperature value generated by first type temperature sensing measurement; the first temperature sensor is arranged at a first equipment part with the correlation degree of the temperature rise speed and the traffic volume higher than a preset ratio;
judging whether the rotating speed of the fan needs to be adjusted or not according to the first type of temperature value;
if the rotating speed of the fan needs to be adjusted, adjusting the rotating speed of the fan according to the first type of temperature value;
if the rotating speed of the fan does not need to be adjusted, judging whether the current time is an execution time point taking a second duration as an execution interval period;
if not, maintaining the current rotating speed of the fan;
if so, acquiring a second type temperature value generated by a second type temperature sensing measurement, and regulating the speed of the fan according to the second type temperature value; the second temperature sensor is arranged at a second equipment part with the correlation degree of the temperature rise speed and the traffic volume not higher than the preset ratio;
after waiting for a first time period, continuing to execute the first-class temperature value generated by obtaining the first-class temperature sensing measurement and subsequent steps thereof; wherein the first duration is less than the second duration.
2. The method for regulating the speed of the fan according to claim 1, wherein the step of determining whether the rotation speed of the fan needs to be regulated according to the first temperature value comprises the steps of:
judging whether a first type of temperature value higher than a standard temperature threshold value of a corresponding equipment component exists;
if so, judging that the rotating speed of the fan needs to be adjusted;
and if not, judging that the rotating speed of the fan is not required to be adjusted.
3. The method of claim 2, wherein after determining that a first type of temperature value higher than a standard temperature threshold of a corresponding equipment component exists, the adjusting the rotation speed of the fan according to the first type of temperature value comprises:
and controlling the rotating speed of the fan to be increased.
4. The method according to claim 1, wherein the controlling the speed of the fan according to the second type of temperature value comprises:
judging whether a second type of temperature value higher than the upper temperature threshold of the corresponding equipment component exists;
if so, controlling the rotating speed of the fan to be increased;
if not, judging whether all the second-class temperature values are lower than the lower temperature threshold of the corresponding equipment component; if all the second temperature values are lower than the lower temperature threshold of the corresponding equipment part, controlling the rotating speed of the fan to be reduced; if all the second-type temperature values are not lower than the lower temperature threshold value of the corresponding equipment component, maintaining the current rotating speed of the fan;
wherein the lower temperature threshold of the same equipment component is less than the upper temperature threshold.
5. The multi-temperature based fan speed regulation method of claim 1, wherein the second time period is N times the first time period, N being an integer;
after waiting for the first time period and before continuing to execute the steps of obtaining the first-class temperature value generated by the first-class temperature sensing measurement and the subsequent steps, the fan speed regulating method further comprises the following steps: adding 1 to the value of the counting variable;
the determining whether the current time is an execution time point using the second duration as the execution interval period includes:
judging whether the current value of the counting variable is greater than N;
if the value of the counting variable is larger than N, updating the value of the counting variable to 1;
if not, judging whether the current value of the counting variable is equal to N or not; if the current time is equal to N, judging that the current time is an execution time point taking the second duration as an execution interval period; and if not, judging that the current time is not an execution time point taking the second duration as an execution interval period.
6. The multi-temperature based fan speed regulation method according to any one of claims 1 to 5, wherein the first equipment component comprises a CPU; the second equipment component comprises a main control board and a hard disk.
7. A fan speed adjusting device based on multiple temperature senses is characterized by comprising:
the first judgment module is used for periodically acquiring a first class temperature value generated by first class temperature sensing measurement by taking a first duration as an execution interval period, and judging whether the rotating speed of the fan needs to be adjusted or not according to the first class temperature value; the first temperature sensor is arranged at a first equipment part with the correlation degree of the temperature rise speed and the traffic volume higher than a preset ratio;
the first processing module is used for adjusting the rotating speed of the fan according to the first type of temperature value after the first judging module judges that the rotating speed of the fan needs to be adjusted;
the period judging module is used for judging whether the current time is an execution time point taking a second duration as an execution interval period or not after the first judging module judges that the rotation speed of the fan does not need to be adjusted; if not, maintaining the current rotating speed of the fan;
the second processing module is used for acquiring a second temperature value generated by a second temperature sensing measurement after the period judging module judges that the current time is an execution time point taking a second duration as an execution interval period; regulating the speed of the fan according to the second temperature value; the second temperature sensor is arranged at a second equipment part with the correlation degree of the temperature rise speed and the traffic volume not higher than the preset ratio; wherein the first duration is less than the second duration.
8. The multi-temperature based fan speed regulating device of claim 7,
the first judging module is specifically configured to:
judging whether a first type of temperature value higher than a standard temperature threshold value of a corresponding equipment component exists; if so, judging that the rotating speed of the fan needs to be adjusted; if not, judging that the rotating speed of the fan is not required to be adjusted;
the first processing module is specifically configured to:
and after the first judging module judges that a first type of temperature value higher than the standard temperature threshold value of the corresponding equipment component exists, controlling the rotating speed of the fan to be increased.
9. The multi-temperature based fan governor of claim 7, wherein the second processing module comprises:
the high temperature judging unit is used for judging whether a second type of temperature value higher than the upper temperature threshold value of the corresponding equipment component exists or not;
the speed-up control unit is used for controlling the rotating speed of the fan to be increased after the high-temperature judging unit judges that a second type of temperature value higher than the upper temperature threshold value of the corresponding equipment component exists;
the low-temperature judging unit is used for judging whether all the second type temperature values are lower than the lower temperature threshold value of the corresponding equipment component or not after the high-temperature judging unit judges that the second type temperature values higher than the upper temperature threshold value of the corresponding equipment component do not exist;
the speed reduction control unit is used for controlling the rotating speed of the fan to be reduced after the low-temperature judging unit judges that all the second temperature values are lower than the lower temperature threshold of the corresponding equipment part;
wherein the lower temperature threshold of the same equipment component is less than the upper temperature threshold.
10. The multi-temperature based fan speed regulation device of claim 7, wherein the second period of time is N times the first period of time, N being an integer;
the first processing module is further configured to: after waiting for a first time period, before continuing to execute the first-class temperature value generated by obtaining the first-class temperature sensing measurement and the subsequent steps, adding 1 to the value of the counting variable;
the period judgment module is specifically configured to: judging whether the current value of the counting variable is larger than N; if the value of the counting variable is larger than N, updating the value of the counting variable to 1; if not, judging whether the current value of the counting variable is equal to N or not; if the current time is equal to N, judging that the current time is an execution time point taking the second duration as an execution interval period; and if not, judging that the current time is not an execution time point taking the second duration as an execution interval period.
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| TWI489935B (en) * | 2012-11-28 | 2015-06-21 | Hon Hai Prec Ind Co Ltd | Fan control system and fan control method |
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| US4748822A (en) * | 1986-12-04 | 1988-06-07 | Carrier Corporation | Speed control of a variable speed air conditioning system |
| CN102486180A (en) * | 2010-12-02 | 2012-06-06 | 鸿富锦精密工业（深圳）有限公司 | Control system and control method of fan |
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