CN116498592A - Fan rotating speed stable regulation and control method, system, terminal and storage medium - Google Patents
Fan rotating speed stable regulation and control method, system, terminal and storage medium Download PDFInfo
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- CN116498592A CN116498592A CN202310721665.0A CN202310721665A CN116498592A CN 116498592 A CN116498592 A CN 116498592A CN 202310721665 A CN202310721665 A CN 202310721665A CN 116498592 A CN116498592 A CN 116498592A
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- 238000012544 monitoring process Methods 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 claims description 13
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Classifications
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
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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
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Abstract
The invention relates to the technical field of servers, and particularly provides a method, a system, a terminal and a storage medium for stably regulating and controlling the rotating speed of a fan, wherein the method comprises the following steps: setting the corresponding relation between the fan and the key component based on the position distance between the fan and the key component; collecting key component power consumption, system power consumption, environment temperature and key component temperature; a power consumption rotating speed gear mapping strategy is preset, and a first rotating speed of a fan corresponding to the power consumption of a key component is calculated according to the power consumption of the key component, the system power consumption and the environmental temperature based on the strategy; generating a second rotational speed of the fan based on the critical component temperature and the temperature regulation strategy; the weighted sum of the first rotational speed and the second rotational speed is set as the fan rotational speed. When power consumption and current are suddenly changed, the invention ensures that the rotating speed of the server fan cannot deviate from the mapping relation value to be too large, and reduces the possibility of severe change of the temperature and the rotating speed of the server.
Description
Technical Field
The invention belongs to the technical field of servers, and particularly relates to a method, a system, a terminal and a storage medium for stably regulating and controlling the rotating speed of a fan.
Background
At present, the heat dissipation of a server mainly depends on a fan, the fan is mainly directly controlled by a BMC (baseboard management controller) out-of-band management system on a main board, whether the temperature in a case is overheated or not is judged by collecting the temperature value of a temperature sensor on the main board and comparing the temperature value with a preset threshold value, and if the temperature in the case reaches the preset threshold value, the rotating speed of the fan is regulated by a PWM (pulse-Width modulation) control mode.
The method for controlling the rotating speed of the fan of the server comprises a PID algorithm besides a linear algorithm for comparing threshold values, and calculates corresponding output rotating speed by adopting a PID proportional integral derivative control algorithm according to the temperature in the server; according to the temperature of a specific key component in the server, different rotational speeds are set for fans at different positions in consideration of the corresponding relation between the key component and the fans at different positions.
The main disadvantage of the current server fan heat dissipation method is that the temperature rise caused by sudden change of load power consumption cannot be responded accurately in time, when the service load power consumption of the key component suddenly increases, the heat dissipation capacity of the key component increases sharply, the speed regulation behavior of the fan lags behind the speed of heat accumulation, so that the temperature of the key component breaks through a high rotation speed threshold value rapidly, the rotation speed of the fan is directly and greatly adjusted, at the moment, the noise of the fan is high, the power consumption is high, the fan rotates to a low rotation speed after the overshoot is finished, the rotation speed oscillation of the fan is generated, and the accumulated energy consumed by the fan is lower than that of the fan when the fan is maintained at a steady rotation speed.
Disclosure of Invention
Aiming at the problems of large noise and high power consumption caused by the fact that the rotation speed of a fan is greatly adjusted to cope with abrupt power consumption in the prior art, the invention provides a stable regulation and control method, a stable regulation and control system, a stable regulation and control terminal and a storage medium for the rotation speed of the fan, so as to solve the technical problems.
In a first aspect, the present invention provides a method for stably regulating and controlling a rotational speed of a fan, including:
setting the corresponding relation between the fan and the key component based on the position distance between the fan and the key component;
collecting key component power consumption, system power consumption, environment temperature and key component temperature;
a power consumption rotating speed gear mapping strategy is preset, and a first rotating speed of a fan corresponding to the power consumption of a key component and the environmental temperature is calculated according to the power consumption of the key component and the power consumption of a system based on the strategy;
generating a second rotational speed of the fan based on the critical component temperature and the temperature regulation strategy;
the weighted sum of the first rotational speed and the second rotational speed is set as the fan rotational speed.
In an alternative embodiment, the correspondence between the fan and the critical component is set based on the positional distance between the fan and the critical component:
dividing the internal space of the server into a plurality of areas;
acquiring a heat dissipation area of the fan according to the wind direction and the position of the fan;
And setting the corresponding weight relation with the fan according to the deviation between the heat dissipation area of the fan and the area where the key component is located.
In an alternative embodiment, setting a power consumption rotational speed gear mapping strategy includes:
setting a power consumption level of a key component, a power consumption level of a system, an environmental temperature and a temperature level of the key component;
monitoring that a server is in a stable state, wherein fluctuation values of power consumption of a key component, system power consumption, environmental temperature, temperature of the key component and fan rotating speed of the server in the stable state do not exceed a set fluctuation threshold value;
analyzing the power consumption of the key component, the power consumption grade of the system, the grade of the environment temperature and the grade of the power consumption of the system under the stable state, and the rotating speed of a fan corresponding to the key component;
the mapping relation of the power consumption level of the key component, the power consumption level of the system, the ambient temperature level and the maximum rotating speed of the corresponding fan is solidified into a power consumption rotating speed gear mapping strategy;
and setting the confidence of the mapping relation based on the verification passing times of the power consumption rotating speed gear mapping strategy.
In an alternative embodiment, generating a second rotational speed of the fan based on the critical component temperature and the temperature regulation strategy includes:
Calculating a theoretical rotating speed corresponding to the temperature of the key component by utilizing the original BMC regulation strategy;
judging whether the fan corresponds to a plurality of key components:
if yes, screening out the maximum rotation speed from the theoretical rotation speeds of the key components as a second rotation speed of the fan;
if not, the theoretical rotation speed calculated based on the temperature of the corresponding key component is set as the second rotation speed of the fan.
In an alternative embodiment, setting the weighted sum of the first rotational speed and the second rotational speed as the fan rotational speed includes:
setting a first weight of a first rotational speed based on a confidence level of the mapping relation generating the first rotational speed;
setting a second weight of a second rotating speed based on the first weight, wherein the sum of the first weight and the second weight is 1;
calculating a weighted sum of the first rotating speed and the second rotating speed based on the first weight and the second weight to obtain the rotating speed of the fan;
and transmitting the fan rotating speed to a controller of a corresponding fan.
In an alternative embodiment, before setting the weighted sum of the first rotational speed and the second rotational speed to the fan rotational speed, the method further comprises:
calculating the product of the first rotating speed and the first weight;
judging whether the second rotation speed exceeds the product or not:
If yes, setting the weighted sum of the first rotating speed and the second rotating speed as the rotating speed of the fan;
if not, the product is set as the fan speed.
In an alternative embodiment, after setting the weighted sum of the first rotational speed and the second rotational speed to the fan rotational speed, the method further comprises:
continuously monitoring fluctuation values of key component power consumption, system power consumption, environment temperature, key component temperature and fan rotating speed of a server;
confirming that the fluctuation values do not exceed a fluctuation threshold value, and analyzing the current key component power consumption, the system power consumption, the key component power consumption grade corresponding to the environment temperature, the system power consumption grade and the environment temperature grade;
taking the power consumption level of the key component, the power consumption level of the system, the environmental temperature level and the current fan rotating speed as verification mapping relations;
judging whether a target mapping relation which is consistent with the verification mapping relation exists among the power consumption level of the key component, the power consumption level of the system and the environmental temperature level in the power consumption rotating speed gear mapping strategy:
if so, adding 1 to the confidence coefficient of the target mapping relation, comparing the consistency of the verification mapping relation and the fan rotation speed in the target mapping relation, if the consistency of the verification mapping relation and the fan rotation speed in the target mapping relation is the same, keeping the non-fan rotation speed in the target mapping relation unchanged, and if the consistency of the verification mapping relation and the fan rotation speed in the target mapping relation is not the same, taking weighted average of the fan rotation speed of the verification mapping relation and the fan rotation speed of the target mapping relation, and updating the fan rotation speed of the target mapping relation;
If not, the verification mapping relation is stored as a new mapping relation of the power consumption rotating speed gear mapping strategy.
In a second aspect, the present invention provides a system for regulating and controlling the rotational speed of a fan, comprising:
the relation setting module is used for setting the corresponding relation between the fan and the key component based on the position distance between the fan and the key component;
the parameter acquisition module is used for acquiring the power consumption of the key component, the power consumption of the system, the ambient temperature and the temperature of the key component;
the first calculation module is used for presetting a power consumption rotating speed gear mapping strategy, and calculating a first rotating speed of the fan corresponding to the power consumption of the key component and the environmental temperature according to the power consumption of the key component and the power consumption of the system based on the strategy;
the second calculation module is used for generating a second rotating speed of the fan based on the temperature of the key component and the temperature regulation strategy;
and the third calculation module is used for setting the weighted sum of the first rotating speed and the second rotating speed as the rotating speed of the fan.
In an alternative embodiment, the relationship setting module includes:
the area dividing unit is used for dividing the internal space of the server into a plurality of areas;
a heat radiation area acquisition unit for acquiring a heat radiation area of the fan according to the wind direction and the position of the fan;
And the region matching unit is used for setting a corresponding weight relation with the fan according to the deviation between the heat dissipation region of the fan and the region where the key component is located.
In an alternative embodiment, setting a power consumption rotational speed gear mapping strategy includes:
setting a power consumption level of a key component, a power consumption level of a system, an environmental temperature and a temperature level of the key component;
monitoring that a server is in a stable state, wherein fluctuation values of power consumption of a key component, system power consumption, environmental temperature, temperature of the key component and fan rotating speed of the server in the stable state do not exceed a set fluctuation threshold value;
analyzing the power consumption of the key component, the power consumption grade of the system, the grade of the environment temperature and the grade of the power consumption of the system under the stable state, and the rotating speed of a fan corresponding to the key component;
the mapping relation of the power consumption level of the key component, the power consumption level of the system, the ambient temperature level and the maximum rotating speed of the corresponding fan is solidified into a power consumption rotating speed gear mapping strategy;
and setting the confidence of the mapping relation based on the verification passing times of the power consumption rotating speed gear mapping strategy.
In an alternative embodiment, the second computing module includes:
The temperature calculation unit is used for calculating the theoretical rotating speed corresponding to the temperature of the key component by utilizing the original BMC regulation strategy;
a number judging unit for judging whether the fans correspond to a plurality of key components;
the second rotation speed screening unit is used for screening the maximum rotation speed from the theoretical rotation speeds of the plurality of key components as the second rotation speed of the fan if the fan corresponds to the plurality of key components;
and the second rotating speed setting unit is used for setting the theoretical rotating speed calculated based on the temperature of the corresponding key components as the second rotating speed of the fan if the fan does not correspond to the plurality of key components.
In an alternative embodiment, the third computing module includes:
a first weight calculation unit configured to set a first weight of a first rotation speed based on a confidence level of the mapping relation that generates the first rotation speed;
a second weight calculation unit, configured to set a second weight of a second rotation speed based on the first weight, where a sum of the first weight and the second weight is 1;
the weight rotating speed calculating unit is used for calculating the weighted sum of the first rotating speed and the second rotating speed based on the first weight and the second weight to obtain the rotating speed of the fan;
and the rotating speed issuing unit is used for issuing the rotating speed of the fan to the controller of the corresponding fan.
In an alternative embodiment, the system further comprises:
the product calculation module is used for calculating the product of the first rotating speed and the first weight;
the rotation speed comparison module is used for judging whether the second rotation speed exceeds the product;
the weighted summation module is used for setting the weighted sum of the first rotating speed and the second rotating speed as the rotating speed of the fan if the second rotating speed exceeds the product;
and the product setting module is used for setting the product as the fan rotating speed if not.
In an alternative embodiment, the system further comprises:
the state monitoring module is used for continuously monitoring fluctuation values of power consumption, system power consumption, environment temperature, temperature of key components and fan rotating speed of the server;
the parameter analysis module is used for confirming that the fluctuation values do not exceed the fluctuation threshold value and analyzing the current key component power consumption, the system power consumption, the key component power consumption grade corresponding to the environment temperature, the system power consumption grade and the environment temperature grade;
the verification generation module is used for taking the power consumption level of the key component, the power consumption level of the system, the environmental temperature level and the current fan rotating speed as verification mapping relations;
the mapping matching module is used for judging whether a target mapping relation which is consistent with the verification mapping relation exists among the power consumption level of the key component, the power consumption level of the system and the environmental temperature level in the power consumption rotating speed gear mapping strategy;
The mapping verification module is used for adding 1 to the confidence coefficient of the target mapping relation if a target mapping relation exists between the power consumption level of the key component, the power consumption level of the system and the environmental temperature level, which are consistent with the verification mapping relation, in the power consumption speed gear mapping strategy, comparing the consistency of the verification mapping relation with the fan speeds in the target mapping relation, if the consistency of the verification mapping relation and the target mapping relation is consistent, keeping the non-fan speeds in the target mapping relation unchanged, and if the consistency of the verification mapping relation and the target mapping relation is inconsistent, taking weighted average of the fan speeds of the verification mapping relation and the fan speeds of the target mapping relation, and updating the fan speeds of the target mapping relation;
and the mapping updating module is used for storing the verification mapping relation as a new mapping relation of the power consumption rotating speed gear mapping strategy if the target mapping relation of the key component power consumption grade, the system power consumption grade and the environment temperature grade which are consistent with the verification mapping relation does not exist in the power consumption rotating speed gear mapping strategy.
In a third aspect, a terminal is provided, including:
a processor, a memory, wherein,
the memory is used for storing a computer program,
the processor is configured to call and run the computer program from the memory, so that the terminal performs the method of the terminal as described above.
In a fourth aspect, there is provided a computer storage medium having instructions stored therein which, when run on a computer, cause the computer to perform the method of the above aspects.
The fan rotating speed stable regulation method, system, terminal and storage medium have the advantages that the corresponding fan rotating speeds are calculated based on power consumption and temperature respectively, the weighted sum of the obtained two fan rotating speeds is set to be the actual fan rotating speed, the power consumption and the temperature are used as control factors of the fan in the mode, the fan rotating speed control method based on key power consumption and current is added on the basis of the traditional fan rotating speed control method based on temperature, the accumulated record and iterative update of the historical working state of the current server are used for counting the fan rotating speeds of different key component levels or system levels under different environmental temperature conditions and at different positions under current, a mapping table of the power consumption and the current to the fan rotating speeds is built, when the power consumption and the current are suddenly changed, the fan rotating speeds of the server are ensured not to deviate from the mapping relation value too much, the possibility of drastic change of the temperature and the rotating speeds of the server is reduced, and the fan rotating speeds based on power consumption and current pre-judging can be more accurate along with long-term running of the server, and the purpose that the server is more used and more power is saved is achieved.
According to the invention, by setting the corresponding relation between the fans and the key components and detecting the temperature and the power consumption of the key components, the independent control of different fans is realized, and the control precision of the rotating speed of the fans is further improved.
According to the invention, the server steady state is monitored, and parameters related to heat dissipation control are collected under the steady state, so that the confidence coefficient is set for the mapping relation in the power consumption rotating speed gear mapping strategy, the strategy is updated continuously, and meanwhile, the confidence coefficient of the mapping relation is converted into the weight of the fan rotating speed calculated based on power consumption, so that the adverse effect of errors of the fan rotating speed predicted based on power consumption on overall control is effectively reduced.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic flow chart of a method of one embodiment of the invention.
Fig. 2 is another schematic flow chart of a method of one embodiment of the invention.
FIG. 3 is a flow chart of the generation of a power consumption rotational speed gear mapping strategy of the method of one embodiment of the present invention.
Fig. 4 is a schematic block diagram of a system of one embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The following explains key terms appearing in the present invention.
BMC, execution server remote management controller, english name Baseboard Management controller. The method can perform firmware upgrade, check machine equipment and other operations on the machine in a state that the machine is not started. Fully implementing IPMI functionality in a BMC requires a powerful 16-bit or 32-bit microcontroller and RAM for data storage, flash memory for non-volatile data storage, and firmware to provide basic remote manageability in terms of secure remote reboot, secure re-power-up, LAN alerting, and system health monitoring. In addition to the basic IPMI and system operation monitoring functions, the mBMC can also enable BIOS flash element selection and protection by storing the previous BIOS using one of the 2 flash memories. For example, when the system fails to boot after a remote BIOS upgrade, the remote administrator may switch back to the previously-working BIOS image to boot the system. Once BIOS is upgraded, the BIOS image can be locked, so as to effectively prevent virus from invading it.
The fan rotating speed stable regulation method provided by the embodiment of the invention is executed by computer equipment, and correspondingly, the fan rotating speed stable regulation system is operated in the computer equipment.
FIG. 1 is a schematic flow chart of a method of one embodiment of the invention. The execution body in fig. 1 may be a fan rotation speed stable regulation system. The order of the steps in the flow chart may be changed and some may be omitted according to different needs.
As shown in fig. 1, the method includes:
step 110, setting the corresponding relation between the fan and the key component based on the position distance between the fan and the key component;
step 120, collecting key component power consumption, system power consumption, environment temperature and key component temperature;
step 130, a power consumption rotating speed gear mapping strategy is preset, and a first rotating speed of a fan corresponding to the power consumption of a key component is calculated according to the power consumption of the key component and the power consumption of a system based on the strategy;
step 140, generating a second rotational speed of the fan based on the critical component temperature and the temperature regulation strategy;
step 150, setting the weighted sum of the first rotation speed and the second rotation speed as the fan rotation speed.
In order to facilitate understanding of the present invention, the method for stably controlling the rotational speed of a fan according to the present invention is further described below with reference to a process of stably controlling the rotational speed of a fan in an embodiment.
Specifically, referring to fig. 2, the method for stably regulating and controlling the rotation speed of the fan includes:
s1, setting the corresponding relation between the fan and the key component based on the position distance between the fan and the key component.
Dividing the internal space of the server into a plurality of areas; acquiring a heat dissipation area of the fan according to the wind direction and the position of the fan; the key components in the same area as the fan heat dissipation area are set to have a corresponding relation with the fan.
Specifically, the user inputs the corresponding relation between the fan and the key component, for example, there are several temperature detection points in service, the detected temperature is used to adjust the rotation speed of the fan, for example, the system inputs the temperature detection point Tin and the temperature detection point Ta, tb, tc, td … …, wherein the temperature detection points Ta, tb and Tc are respectively located on the key component A, B, C, the key component a and the key component B support power consumption and current detection (the power consumption information and the current information can be mutually converted, and the following description is unified to the power consumption information), for example, the key CPU component, the key GPU component and the like have the power consumption detection points Pa and Pb, and further the system power consumption detection is performed. Also included in the system are a number of fans, denoted as fans A, B, C … …, whose fan speeds are Fa, fb, fc … …, respectively. Fan a corresponds to critical component a and fan B corresponds to critical component B.
S2, collecting power consumption of the key components and power consumption of the system and temperature of the key components.
The temperature sensor and the current sensor are arranged on the key component, all the sensors are connected with the BMC, the BMC obtains the temperature and the current of the key component, and the product of the current and the standard voltage is calculated to obtain the power consumption. Meanwhile, calculating the product of the total current of the server and the standard voltage to obtain total power consumption, respectively calculating the power consumption of the fan to obtain the total power consumption of the fan, and taking the difference value between the total power consumption and the total power consumption of the fan as the system power consumption.
S3, a power consumption rotating speed gear mapping strategy is preset, and a first rotating speed of the fan corresponding to the power consumption of the key component is calculated according to the power consumption of the key component and the power consumption of the system based on the strategy.
The method for setting the power consumption rotating speed gear mapping strategy comprises the following steps: setting a power consumption level of a key component, a power consumption level of a system and a temperature level; monitoring that a server is in a stable state, wherein the fluctuation values of the power consumption of a key component, the power consumption of a system, the temperature of the key component and the rotating speed of a fan of the server in the stable state do not exceed a set fluctuation threshold; analyzing the power consumption of the key component, the power consumption of the system, the power consumption grade of the key component, the power consumption grade of the system, the temperature grade of the key component and the rotating speed of a fan corresponding to the key component in a stable state; the mapping relation among the power consumption level of the key component, the power consumption level of the system, the temperature level of the key component and the maximum rotating speed of the corresponding fan is solidified into a power consumption rotating speed gear mapping strategy; and setting the confidence of the mapping relation based on the verification passing times of the power consumption rotating speed gear mapping strategy.
Specifically, as shown in fig. 3, the rotation speed of each fan, the power consumption of each key component, the system power consumption except the fan, the input temperature and the process parameters of the fan rotation speed control algorithm of the current server are detected at fixed time, the system power consumption except the fan is the residual power consumption obtained by subtracting the read fan power consumption from the read system power consumption, and is recorded as Psys, when the power consumption of each key component, the system power consumption except the fan and the input temperature which are read continuously for multiple times are unchanged or are changed in a close gear range, the key component/system power consumption and the input temperature can be identified and recorded in a stepping mode, and proper filtering and jitter processing are performed, the reading times multiplied by a timing interval can ensure that the system environment and the load power consumption are kept unchanged within a certain time, and the server temperature and the fan rotation speed are initially stable, and at the moment, the association relation between the fan rotation speed and the power consumption of each key component, the system power consumption and the input temperature is recorded. When the rotation speed of the fan A is identified to be taken from a temperature detection point N, namely, the maximum value in Faa, fab, fain is FaN, if the key component power consumption detection point Pn exists at the N point, the control mapping relation of the input temperature Tin, the key component power consumption Pn and the fan rotation speed Fa is recorded, if the key component power consumption detection point does not exist at the N point, the system power consumption Psys except the fan is recorded, and the control mapping relation gear of Tin, psys, fa at the moment is recorded. Similarly, for the fan B, the control mapping relation gear of Tin, pm, fb at the moment is recorded, and finally, a control mapping relation table of the fan rotating speed corresponding to the key component/system power consumption and the input temperature, namely a power consumption rotating speed gear mapping strategy, is established.
In the fan rotating speed control method based on the power consumption and the current of the key components, the current input temperature, the power consumption of each key component and the power consumption of the system except the fan (and filtering and shaking processing) are searched at regular time, a control mapping relation table of the input temperature, the power consumption of the key component/the system and the rotating speed of the fan is searched, a plurality of control mapping relation gears are searched, different rotating speed values of a plurality of different fans are taken out, the maximum rotating speed value in a plurality of values is taken for each fan, and the expected fan control rotating speed based on the power consumption of the key component is obtained and is recorded as the first rotating speed.
S4, generating a second rotating speed of the fan based on the ambient temperature, the key component temperature and the temperature regulation strategy.
Calculating a theoretical rotating speed corresponding to the temperature of the key component by utilizing the original BMC regulation strategy; judging whether the fan corresponds to a plurality of key components: if yes, screening out the maximum rotation speed from the theoretical rotation speeds of the key components as a second rotation speed of the fan; if not, the theoretical rotation speed calculated based on the temperature of the corresponding key component is set as the second rotation speed of the fan.
Specifically, the out-band management system detects Ta, tb, tin and the like at regular time, and derives the corresponding fan rotation speed according to the detected detection, ta corresponds to Faa, fba, fca, tb corresponds to Fab, fbb, fcb, tin corresponds to Fain, fbin, fcin, and the final fan rotation speed takes the maximum value of a plurality of corresponding rotation speeds, such as Fa takes the maximum value of Faa, fab, fain.
S5, setting the weighted sum of the first rotating speed and the second rotating speed as the rotating speed of the fan.
Setting a first weight of a first rotational speed based on a confidence level of the mapping relation generating the first rotational speed; setting a second weight of a second rotating speed based on the first weight, wherein the sum of the first weight and the second weight is 1; calculating a weighted sum of the first rotating speed and the second rotating speed based on the first weight and the second weight to obtain the rotating speed of the fan; and transmitting the fan rotating speed to a controller of a corresponding fan.
When the first weight is set based on the confidence coefficient, assuming that the confidence coefficient is fully divided into 10 and the current confidence coefficient is 2, the first weight is 2/10=0.2, and the second weight is 0.8.
Furthermore, before performing a stiffening summation of the fan speeds, calculating a product of the first speed and a first weight; judging whether the second rotation speed exceeds the product or not: if yes, setting the weighted sum of the first rotating speed and the second rotating speed as the rotating speed of the fan; if not, the product is set as the fan speed.
Specifically, the expected control rotation speed of the fan based on the power consumption of the key component is obtained, compared with the rotation speed value of the fan calculated by the temperature-based and partition-based fan rotation speed control method, if the rotation speed value of the single fan based on the temperature is lower than x% of the rotation speed value expected based on the power consumption of the key component, the rotation speed of the fan is set to be the expected rotation speed value of the power consumption of the key component, or weighted average of other methods is carried out on the rotation speed value based on the temperature and the expected rotation speed value based on the power consumption of the key component, and x% or weighted average algorithm with difference can be selected for different components or component level/system level expected rotation speeds. The expected threshold of the power consumption of the x% key component or the weighted average algorithm can be adjusted according to the confidence weight value of the corresponding control mapping relation gear, when the confidence is smaller, namely the number of recorded samples is smaller, the value of the x% is far away from 100%, or the weighted average algorithm is far away from the expected rotating speed value based on the power consumption of the key component, when the confidence is larger, namely the number of repeatedly recorded samples is large, the x% can be close to 100%, or the weighted average algorithm is close to the expected rotating speed value based on the power consumption of the key component, so that the aims that the longer the running time is, the more accurate the expected rotating speed of the fan based on the power consumption of the key component is, the higher the control duty ratio based on the power consumption of the key component is, and the more accurate the fan control is are achieved. When the system is greatly changed and the heat dissipation control of the system is affected, the confidence and control mapping relation table can be emptied for re-recording.
S6, updating a power consumption rotating speed gear mapping strategy.
Continuously monitoring fluctuation values of key component power consumption, system power consumption, key component temperature and fan rotating speed of a server; confirming that the fluctuation values do not exceed a fluctuation threshold value, and analyzing the current critical component power consumption, the system power consumption, the critical component power consumption grade, the system power consumption grade and the critical component temperature grade corresponding to the critical component temperature; taking the power consumption level of the key component, the power consumption level of the system, the temperature level of the key component and the current fan rotating speed as verification mapping relation; judging whether a target mapping relation which is consistent with the verification mapping relation exists among the power consumption level of the key component, the power consumption level of the system and the temperature level of the key component in the power consumption rotating speed gear mapping strategy: if yes, comparing and verifying consistency of the mapping relation and the fan rotation speed in the target mapping relation, if the two are consistent, adding 1 to the confidence coefficient of the target mapping relation, and if the two are inconsistent, subtracting 1 to the confidence coefficient of the target mapping relation; if not, the verification mapping relation is stored as a new mapping relation of the power consumption rotating speed gear mapping strategy.
The method comprises the steps of monitoring the stable state of the server, taking the power consumption, the temperature and the system power consumption of key components and the corresponding fan rotation speed in the stable state of the server as verification data of a power consumption rotation speed gear mapping strategy, and accordingly updating the power consumption rotation speed gear mapping strategy continuously and improving the fan rotation speed control precision.
In some embodiments, the fan speed trim control system 400 may include a plurality of functional modules that are comprised of computer program segments. The computer program of each program segment in the fan speed plateau control system 400 may be stored in a memory of a computer device and executed by at least one processor to perform (see fig. 1 for details) the fan speed plateau control function.
In this embodiment, the fan speed stabilizing and controlling system 400 may be divided into a plurality of functional modules according to the functions performed by the system, as shown in fig. 4. The functional module may include: a relationship setting module 410, a parameter acquisition module 420, a first calculation module 430, a second calculation module 440, and a third calculation module 450. The module referred to in the present invention refers to a series of computer program segments capable of being executed by at least one processor and of performing a fixed function, stored in a memory. In the present embodiment, the functions of the respective modules will be described in detail in the following embodiments.
A relationship setting module 410, configured to set a correspondence relationship between the fan and the key component based on a position distance between the fan and the key component;
a parameter collection module 420, configured to collect key component power consumption and system power consumption, and an ambient temperature and a key component temperature;
A first calculation module 430, configured to preset a power consumption rotation speed gear mapping policy, and calculate, according to the power consumption of the key component and the power consumption of the system, a first rotation speed of the fan corresponding to the power consumption of the key component based on the policy;
a second calculation module 440 for generating a second rotational speed of the fan based on the ambient temperature, the critical component temperature, and the temperature regulation strategy;
a third calculation module 450 is configured to set a weighted sum of the first rotation speed and the second rotation speed as the fan rotation speed.
Optionally, as an embodiment of the present invention, the relationship setting module includes:
the area dividing unit is used for dividing the internal space of the server into a plurality of areas;
a heat radiation area acquisition unit for acquiring a heat radiation area of the fan according to the wind direction and the position of the fan;
and the region matching unit is used for setting a corresponding weight relation with the fan according to the deviation between the heat dissipation region of the fan and the region where the key component is located.
Optionally, as an embodiment of the present invention, setting a power consumption rotation speed gear mapping policy includes:
setting a power consumption level of a key component, a power consumption level of a system, an environmental temperature and a temperature level of the key component;
monitoring that a server is in a stable state, wherein fluctuation values of power consumption of a key component, system power consumption, environmental temperature, temperature of the key component and fan rotating speed of the server in the stable state do not exceed a set fluctuation threshold value;
Analyzing the power consumption of the key component, the power consumption grade of the system, the grade of the environment temperature and the grade of the power consumption of the system under the stable state, and the rotating speed of a fan corresponding to the key component;
the mapping relation of the power consumption level of the key component, the power consumption level of the system, the ambient temperature level and the maximum rotating speed of the corresponding fan is solidified into a power consumption rotating speed gear mapping strategy;
and setting the confidence of the mapping relation based on the verification passing times of the power consumption rotating speed gear mapping strategy.
Optionally, as an embodiment of the present invention, the second calculating module includes:
the temperature calculation unit is used for calculating the theoretical rotating speed corresponding to the temperature of the key component by utilizing the original BMC regulation strategy;
a number judging unit for judging whether the fans correspond to a plurality of key components;
the second rotation speed screening unit is used for screening the maximum rotation speed from the theoretical rotation speeds of the plurality of key components as the second rotation speed of the fan if the fan corresponds to the plurality of key components;
and the second rotating speed setting unit is used for setting the theoretical rotating speed calculated based on the temperature of the corresponding key components as the second rotating speed of the fan if the fan does not correspond to the plurality of key components.
Optionally, as an embodiment of the present invention, the third calculation module includes:
a first weight calculation unit configured to set a first weight of a first rotation speed based on a confidence level of the mapping relation that generates the first rotation speed;
a second weight calculation unit, configured to set a second weight of a second rotation speed based on the first weight, where a sum of the first weight and the second weight is 1;
the weight rotating speed calculating unit is used for calculating the weighted sum of the first rotating speed and the second rotating speed based on the first weight and the second weight to obtain the rotating speed of the fan;
and the rotating speed issuing unit is used for issuing the rotating speed of the fan to the controller of the corresponding fan.
Optionally, as an embodiment of the present invention, the system further includes:
the product calculation module is used for calculating the product of the first rotating speed and the first weight;
the rotation speed comparison module is used for judging whether the second rotation speed exceeds the product;
the weighted summation module is used for setting the weighted sum of the first rotating speed and the second rotating speed as the rotating speed of the fan if the second rotating speed exceeds the product;
and the product setting module is used for setting the product as the fan rotating speed if not.
Optionally, as an embodiment of the present invention, the system further includes:
The state monitoring module is used for continuously monitoring fluctuation values of power consumption, system power consumption, environment temperature, temperature of key components and fan rotating speed of the server;
the parameter analysis module is used for confirming that the fluctuation values do not exceed the fluctuation threshold value and analyzing the current key component power consumption, the system power consumption, the key component power consumption grade corresponding to the environment temperature, the system power consumption grade and the environment temperature grade;
the verification generation module is used for taking the power consumption level of the key component, the power consumption level of the system, the environmental temperature level and the current fan rotating speed as verification mapping relations;
the mapping matching module is used for judging whether a target mapping relation which is consistent with the verification mapping relation exists among the power consumption level of the key component, the power consumption level of the system and the environmental temperature level in the power consumption rotating speed gear mapping strategy;
the mapping verification module is used for adding 1 to the confidence coefficient of the target mapping relation if a target mapping relation exists between the power consumption level of the key component, the power consumption level of the system and the environmental temperature level, which are consistent with the verification mapping relation, in the power consumption speed gear mapping strategy, comparing the consistency of the verification mapping relation with the fan speeds in the target mapping relation, if the consistency of the verification mapping relation and the target mapping relation is consistent, keeping the non-fan speeds in the target mapping relation unchanged, and if the consistency of the verification mapping relation and the target mapping relation is inconsistent, taking weighted average of the fan speeds of the verification mapping relation and the fan speeds of the target mapping relation, and updating the fan speeds of the target mapping relation;
And the mapping updating module is used for storing the verification mapping relation as a new mapping relation of the power consumption rotating speed gear mapping strategy if the target mapping relation of the key component power consumption grade, the system power consumption grade and the environment temperature grade which are consistent with the verification mapping relation does not exist in the power consumption rotating speed gear mapping strategy.
Fig. 5 is a schematic structural diagram of a terminal 500 according to an embodiment of the present invention, where the terminal 500 may be used to execute the method for regulating and controlling the rotational speed of a fan according to the embodiment of the present invention.
The terminal 500 may include: processor 510, memory 520, and communication module 530. The components may communicate via one or more buses, and it will be appreciated by those skilled in the art that the configuration of the server as shown in the drawings is not limiting of the invention, as it may be a bus-like structure, a star-like structure, or include more or fewer components than shown, or may be a combination of certain components or a different arrangement of components.
The memory 520 may be used to store instructions for execution by the processor 510, and the memory 520 may be implemented by any type of volatile or non-volatile memory terminal or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk. The execution of the instructions in memory 520, when executed by processor 510, enables terminal 500 to perform some or all of the steps in the method embodiments described below.
The processor 510 is a control center of the storage terminal, connects various parts of the entire electronic terminal using various interfaces and lines, and performs various functions of the electronic terminal and/or processes data by running or executing software programs and/or modules stored in the memory 520, and invoking data stored in the memory. The processor may be comprised of an integrated circuit (Integrated Circuit, simply referred to as an IC), for example, a single packaged IC, or may be comprised of a plurality of packaged ICs connected to the same function or different functions. For example, the processor 510 may include only a central processing unit (Central Processing Unit, simply CPU). In the embodiment of the invention, the CPU can be a single operation core or can comprise multiple operation cores.
A communication module 530, configured to establish a communication channel, so that the storage terminal can communicate with other terminals. Receiving user data sent by other terminals or sending the user data to other terminals.
The present invention also provides a computer storage medium in which a program may be stored, which program may include some or all of the steps in the embodiments provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), a random-access memory (random access memory, RAM), or the like.
Therefore, the invention calculates the corresponding fan rotating speed based on the power consumption and the temperature respectively, sets the weighted sum of the obtained two fan rotating speeds as the actual fan rotating speed, takes the power consumption and the temperature as the control factors of the fan in the mode, increases the fan rotating speed control method based on the key power consumption and the current on the basis of the existing fan rotating speed control method based on the temperature, counts the fan rotating speeds of different key component levels or system level power consumption and different positions under the current under different environmental temperature conditions through accumulated record and iterative update of the current historical working state of the server, establishes a mapping table of the power consumption and the current on the fan rotating speed, ensures that the fan rotating speed of the server cannot deviate from the mapping relation value too much when the power consumption and the current suddenly change, reduces the possibility of severe change of the temperature and the rotating speed of the server, and can be more and more accurate based on the power consumption and the current pre-judging fan rotating speed, achieves the aim of saving more electricity when the server is more used, and the technical effects can be achieved by the embodiment are not described herein.
It will be apparent to those skilled in the art that the techniques of embodiments of the present invention may be implemented in software plus a necessary general purpose hardware platform. Based on such understanding, the technical solution in the embodiments of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium such as a U-disc, a mobile hard disc, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk or an optical disk, etc. various media capable of storing program codes, including several instructions for causing a computer terminal (which may be a personal computer, a server, or a second terminal, a network terminal, etc.) to execute all or part of the steps of the method described in the embodiments of the present invention.
The same or similar parts between the various embodiments in this specification are referred to each other. In particular, for the terminal embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and reference should be made to the description in the method embodiment for relevant points.
In the several embodiments provided by the present invention, it should be understood that the disclosed systems and methods may be implemented in other ways. For example, the system embodiments described above are merely illustrative, e.g., the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple modules or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with respect to each other may be through some interface, indirect coupling or communication connection of systems or modules, electrical, mechanical, or other form.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in each embodiment of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The method for stably regulating and controlling the rotating speed of the fan is characterized by comprising the following steps of:
setting the corresponding relation between the fan and the key component based on the position distance between the fan and the key component;
collecting key component power consumption, system power consumption, environment temperature and key component temperature;
a power consumption rotating speed gear mapping strategy is preset, and a first rotating speed of a fan corresponding to the power consumption of a key component and the environmental temperature is calculated according to the power consumption of the key component and the power consumption of a system based on the strategy;
Generating a second rotational speed of the fan based on the critical component temperature and the temperature regulation strategy;
the weighted sum of the first rotational speed and the second rotational speed is set as the fan rotational speed.
2. The method of claim 1, wherein the correspondence of fans to critical components is set based on their positional distance from the critical components:
dividing the internal space of the server into a plurality of areas;
acquiring a heat dissipation area of the fan according to the wind direction and the position of the fan;
and setting the corresponding weight relation with the fan according to the deviation between the heat dissipation area of the fan and the area where the key component is located.
3. The method of claim 1, wherein setting a power consumption rotational speed gear mapping strategy comprises:
setting a power consumption level of a key component, a power consumption level of a system, an environmental temperature and a temperature level of the key component;
monitoring that a server is in a stable state, wherein fluctuation values of power consumption of a key component, system power consumption, environmental temperature, temperature of the key component and fan rotating speed of the server in the stable state do not exceed a set fluctuation threshold value;
analyzing the power consumption of the key component, the power consumption grade of the system, the grade of the environment temperature and the grade of the power consumption of the system under the stable state, and the rotating speed of a fan corresponding to the key component;
The mapping relation of the power consumption level of the key component, the power consumption level of the system, the ambient temperature level and the maximum rotating speed of the corresponding fan is solidified into a power consumption rotating speed gear mapping strategy;
and setting the confidence of the mapping relation based on the verification passing times of the power consumption rotating speed gear mapping strategy.
4. The method of claim 1, wherein generating a second rotational speed of the fan based on the critical component temperature and the temperature regulation strategy comprises:
calculating a theoretical rotating speed corresponding to the temperature of the key component by utilizing the original BMC regulation strategy;
judging whether the fan corresponds to a plurality of key components:
if yes, screening out the maximum rotation speed from the theoretical rotation speeds of the key components as a second rotation speed of the fan;
if not, the theoretical rotation speed calculated based on the temperature of the corresponding key component is set as the second rotation speed of the fan.
5. A method according to claim 3, wherein setting the weighted sum of the first rotational speed and the second rotational speed as the fan rotational speed comprises:
setting a first weight of a first rotational speed based on a confidence level of the mapping relation generating the first rotational speed;
setting a second weight of a second rotating speed based on the first weight, wherein the sum of the first weight and the second weight is 1;
Calculating a weighted sum of the first rotating speed and the second rotating speed based on the first weight and the second weight to obtain the rotating speed of the fan;
and transmitting the fan rotating speed to a controller of a corresponding fan.
6. The method of claim 5, wherein prior to setting the weighted sum of the first rotational speed and the second rotational speed to the fan rotational speed, the method further comprises:
calculating the product of the first rotating speed and the first weight;
judging whether the second rotation speed exceeds the product or not:
if yes, setting the weighted sum of the first rotating speed and the second rotating speed as the rotating speed of the fan;
if not, the product is set as the fan speed.
7. A method according to claim 1 or 3, wherein after setting the weighted sum of the first rotational speed and the second rotational speed to the fan rotational speed, the method further comprises:
continuously monitoring fluctuation values of key component power consumption, system power consumption, environment temperature, key component temperature and fan rotating speed of a server;
confirming that the fluctuation values do not exceed a fluctuation threshold value, and analyzing the current key component power consumption, the system power consumption, the key component power consumption grade corresponding to the environment temperature, the system power consumption grade and the environment temperature grade;
Taking the power consumption level of the key component, the power consumption level of the system, the environmental temperature level and the current fan rotating speed as verification mapping relations;
judging whether a target mapping relation which is consistent with the verification mapping relation exists among the power consumption level of the key component, the power consumption level of the system and the environmental temperature level in the power consumption rotating speed gear mapping strategy:
if so, adding 1 to the confidence coefficient of the target mapping relation, comparing the consistency of the verification mapping relation and the fan rotation speed in the target mapping relation, if the consistency of the verification mapping relation and the fan rotation speed in the target mapping relation is the same, keeping the non-fan rotation speed in the target mapping relation unchanged, and if the consistency of the verification mapping relation and the fan rotation speed in the target mapping relation is not the same, taking weighted average of the fan rotation speed of the verification mapping relation and the fan rotation speed of the target mapping relation, and updating the fan rotation speed of the target mapping relation;
if not, the verification mapping relation is stored as a new mapping relation of the power consumption rotating speed gear mapping strategy.
8. A fan rotational speed stability control system, comprising:
the relation setting module is used for setting the corresponding relation between the fan and the key component based on the position distance between the fan and the key component;
the parameter acquisition module is used for acquiring the power consumption of the key component, the power consumption of the system, the ambient temperature and the temperature of the key component;
The first calculation module is used for presetting a power consumption rotating speed gear mapping strategy, and calculating a first rotating speed of a fan corresponding to the power consumption of the key component according to the power consumption of the key component, the system power consumption and the environmental temperature based on the strategy;
the second calculation module is used for generating a second rotating speed of the fan based on the temperature of the key component and the temperature regulation strategy;
and the third calculation module is used for setting the weighted sum of the first rotating speed and the second rotating speed as the rotating speed of the fan.
9. A terminal, comprising:
the memory is used for storing a fan rotating speed stable regulation program;
a processor for implementing the steps of the fan speed plateau regulating method according to any one of claims 1 to 7 when executing the fan speed plateau regulating program.
10. A computer readable storage medium storing a computer program, wherein a fan rotational speed stabilization control program is stored on the readable storage medium, and the fan rotational speed stabilization control program, when executed by a processor, implements the steps of the fan rotational speed stabilization control method according to any one of claims 1 to 7.
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| CN117231544A (en) * | 2023-11-15 | 2023-12-15 | 宝德华南(深圳)热能系统有限公司 | Intelligent cooling fan regulation and control system based on data acquisition |
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| CN117231544A (en) * | 2023-11-15 | 2023-12-15 | 宝德华南(深圳)热能系统有限公司 | Intelligent cooling fan regulation and control system based on data acquisition |
| CN117231544B (en) * | 2023-11-15 | 2024-01-09 | 宝德华南(深圳)热能系统有限公司 | Intelligent cooling fan regulation and control system based on data acquisition |
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