CN109779939A - Fan rotational frequency control method and device - Google Patents
Fan rotational frequency control method and device Download PDFInfo
- Publication number
- CN109779939A CN109779939A CN201910019460.1A CN201910019460A CN109779939A CN 109779939 A CN109779939 A CN 109779939A CN 201910019460 A CN201910019460 A CN 201910019460A CN 109779939 A CN109779939 A CN 109779939A
- Authority
- CN
- China
- Prior art keywords
- fan
- temperature
- rotation speed
- value
- decibel value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a kind of fan rotational frequency control method and devices.This method comprises: obtaining the decibel value of environmental noise；Rotation speed of the fan value corresponding with decibel value is searched in preset rotation speed of the fan table；The revolving speed of fan is controlled according to rotation speed of the fan value dynamic.The present invention can automatically control the revolving speed of fan according to environmental noise.
Description
Technical field
The present invention relates to computer fan control technology, in particular to a kind of fan rotational frequency control method and device.
Background technique
Fan is widely used in such as computer, communication products, vehicle electronics as common heat dissipation tool
Deng on tradition or modern comfort.
In general, the revolving speed of fan is higher in certain range of speeds, the attainable heat dissipation effect of institute is better.However, wind
The revolving speed of fan is higher, air quantity is bigger, and the noise of generation is also bigger, for example, fan may produce during running at high speed for a long time
Raw very strong noise causes to bring serious noise puzzlement to user.
Therefore, the revolving speed for how dynamically controlling fan is that industry is urgently studied and solved the problems, such as.
Summary of the invention
The purpose of the present invention is to provide a kind of fan rotational frequency control method and devices, can be controlled according to environmental noise dynamic
The revolving speed of fan processed.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The present invention provides a kind of fan rotational frequency control methods, comprising: obtains the decibel value of environmental noise；In preset wind
It fans and searches rotation speed of the fan value corresponding with decibel value in revolution counter；The revolving speed of fan is controlled according to rotation speed of the fan value dynamic.
Optionally, this method further include: decibel value is converted into the available parameter value of computer system, wherein default
Rotation speed of the fan table in search corresponding with decibel value rotation speed of the fan value, comprising: search and join in preset rotation speed of the fan table
The corresponding rotation speed of the fan value of numerical value.
Optionally, the revolving speed of fan is controlled according to rotation speed of the fan value dynamic, comprising: carry out decibel value and default decibel value
Compare；If decibel value is greater than default decibel value, judge whether the temperature of central processing unit or graphics processor is higher than first
Preset temperature；If the temperature of central processing unit or graphics processor is higher than the first preset temperature, it is switched to environmental noise control
Rotation speed of the fan mechanism processed, if the temperature of central processing unit or graphics processor is equal to or less than the first preset temperature, fan
It does not rotate.
Optionally, this method further include: if decibel value is less than or equal to default decibel value, judge central processing unit or
Whether the temperature of graphics processor is higher than the second preset temperature；If the temperature of central processing unit or graphics processor is higher than second
Preset temperature, then central processing unit or the automatic frequency reducing of graphics processor, if central processing unit or the temperature of graphics processor etc.
In or be lower than the second preset temperature, then be switched to environmental noise control rotation speed of the fan mechanism, wherein the second preset temperature is higher than the
One preset temperature.
Optionally, this method further include: judge whether the temperature of central processing unit or graphics processor is high after frequency reducing
In third preset temperature；If the temperature of central processing unit or graphics processor is higher than third preset temperature, it is switched to chip
Temperature controlled fan revolving speed mechanism, if the temperature of central processing unit or graphics processor is equal to or less than third preset temperature,
Then it is switched to environmental noise control rotation speed of the fan mechanism, wherein third preset temperature is higher than the second preset temperature.
Optionally, the decibel value of environmental noise is obtained, comprising: the decibel of environmental noise is obtained by microphone or sensor
Value.
The present invention provides a kind of fan rotation speed control apparatus, comprising: obtains module, is configured to obtain point of environmental noise
Shellfish value；Searching module is configured to search rotation speed of the fan value corresponding with decibel value in preset rotation speed of the fan table；Control mould
Block is configured to control the revolving speed of fan according to rotation speed of the fan value dynamic.
Optionally, device further include: conversion module is configured to for decibel value to be converted into the available parameter of computer system
Value, wherein searching module searches rotation speed of the fan value corresponding with parameter value in preset rotation speed of the fan table.
Optionally, decibel value is compared by control module with default decibel value, if decibel value is greater than default decibel value,
Then judge whether the temperature of central processing unit or graphics processor is higher than the first preset temperature, if at central processing unit or figure
Manage device temperature be higher than the first preset temperature, then be switched to environmental noise control rotation speed of the fan mechanism, if central processing unit or
The temperature of graphics processor is equal to or less than the first preset temperature, then fan does not rotate.
Optionally, if decibel value is less than or equal to default decibel value, control module judges central processing unit or figure
Whether the temperature of processor is higher than the second preset temperature；If it is default that the temperature of central processing unit or graphics processor is higher than second
Temperature, then central processing unit or the automatic frequency reducing of graphics processor, if the temperature of central processing unit or graphics processor be equal to or
Lower than the second preset temperature, then environmental noise control rotation speed of the fan mechanism is switched to, wherein it is pre- that the second preset temperature is higher than first
If temperature.
Optionally, control module judges whether the temperature of central processing unit or graphics processor is higher than third after frequency reducing
Preset temperature；If the temperature of central processing unit or graphics processor is higher than third preset temperature, it is switched to chip temperature control
Rotation speed of the fan mechanism processed switches if the temperature of central processing unit or graphics processor is equal to or less than third preset temperature
Rotation speed of the fan mechanism is controlled to environmental noise, wherein third preset temperature is higher than the second preset temperature.
Optionally, input equipment is microphone or sensor.
Optionally, the decibel value that module obtains environmental noise by microphone or sensor is obtained.
Disclosure based on the above embodiment can know that the beneficial effect of the embodiment of the present invention is: by obtaining environment
The decibel value of noise searches rotation speed of the fan value corresponding with decibel value in preset rotation speed of the fan table, and according to rotation speed of the fan
Value dynamic controls the revolving speed of fan, and fan can be made to change revolving speed with the environmental noise detected, it is thereby achieved that fan turns
The intelligence of speed is floated.
Detailed description of the invention
Fig. 1 is a kind of flow chart of fan rotational frequency control method shown in an exemplary embodiment according to the present invention.
Fig. 2 is a kind of flow chart of fan rotational frequency control method shown in another exemplary embodiment according to the present invention.
Fig. 3 is a kind of block diagram of fan rotation speed control apparatus shown in an exemplary embodiment according to the present invention.
Specific embodiment
Various schemes and feature of the invention are described herein with reference to attached drawing.
It should be understood that various modifications can be made to the embodiment invented herein.Therefore, description above should not regard
To limit, and only as the example of embodiment.Those skilled in the art will expect within the scope and spirit of this invention
Other modifications.
The attached drawing being included in the description and forms part of the description shows the embodiment of the present invention, and with it is upper
What face provided is used to explain the present invention substantially description and the detailed description given below to embodiment of the invention together
Principle.
It is of the invention by the description of the preferred form with reference to the accompanying drawings to the embodiment for being given as non-limiting example
These and other characteristic will become apparent.
Although being also understood that invention has been described referring to some specific examples, those skilled in the art
Member realizes many other equivalents of the invention in which can determine, they have feature as claimed in claim and therefore all
In the protection scope defined by whereby.
When read in conjunction with the accompanying drawings, in view of following detailed description, above and other aspect of the invention, feature and advantage will become
It is more readily apparent.
Specific embodiments of the present invention are described hereinafter with reference to attached drawing；It will be appreciated, however, that the embodiment invented is only
Various ways implementation can be used in example of the invention.Known and/or duplicate function and structure and be not described in detail to avoid
Unnecessary or extra details makes the present invention smudgy.Therefore, the specific structural and functionality invented herein is thin
Section is not intended to restrictions, but as just the basis of claim and representative basis be used to instructing those skilled in the art with
Substantially any appropriate detailed construction diversely uses the present invention.
This specification can be used phrase " in one embodiment ", " in another embodiment ", " in another embodiment
In " or " in other embodiments ", it can be referred to one or more of identical or different embodiment according to the present invention.
Fig. 1 is a kind of flow chart of fan rotational frequency control method shown in an exemplary embodiment according to the present invention.Fig. 1's
Method can be executed by computer, as shown in Figure 1, this method comprises:
110: obtaining the decibel value of environmental noise.
In embodiments of the present invention, computer can obtain the environment under current environment by input equipment or sensor and make an uproar
Sound, and the decibel value of environmental noise is stored in the storage unit of computer after being calculated by third party software.
Specifically, computer is can to run according to program, automatic, high speed processing mass data modernization smart electronics
Equipment can not only carry out numerical value calculating, can also carry out logic calculation, and also have the function of store-memory.Computer
Supercomputer, network computer (such as server, interchanger etc.), Industry Control, PC can be divided into (for example, platform
Formula machine, laptop, tablet computer etc.) and embedded system.Preferably, computer of the invention is laptop.
Input equipment is the equipment to computer input data and information, is that information is carried out between user and computer system
One of main device of exchange.Input equipment can include but is not limited to keyboard, mouse, camera, scanner, light pen, hand-written
Input board, joystick, speech input device etc..Preferably, input equipment of the invention is microphone or sensor.
Sensor is a kind of detection device, can experience measured information, and the information that can will be experienced, by a set pattern
Rule is for conversion into electric signal or the information output of other required forms, to meet transmission, processing, storage, the display, record of information
With control etc. require.Sensor of the invention is sound transducer.
Environmental noise refers in industrial production, construction, communications and transportation and social life around generated interference
The sound of living environment.Environmental noise can classify according to different noise sources, and different criteria for noise is all advised
Noise limit value is determined.
It should be noted that the interposition in notebook screens upper side frame can be set in the built-in microphone of laptop
Place is set, also can be set in keyboard of notebook computer area lower-left angular position, or notebook left forward side position can also be set
Place, the invention is not limited in this regard.
In addition it is also necessary to which explanation, microphone of the invention are not limited to built-in microphone, but can be external microphone
Wind.
120: rotation speed of the fan value corresponding with decibel value is searched in preset rotation speed of the fan table.
In embodiments of the present invention, computer basic input output system (Basic Input Output System,
BIOS the decibel value of environmental noise) is obtained from storage unit by driver, and is searched in preset rotation speed of the fan table
Rotation speed of the fan value corresponding with the decibel value.
Specifically, the fan of computer-internal, which primarily serves, cools down for computer hardware and arranges wind action.In general,
The fan of computer-internal may include power supply fan, central processing unit (Central Processing Unit, CPU) fan,
Show card fan and system fan.
Rotation speed of the fan refers to the number that fan fan page rotates per minute.The revolving speed of fan can pass through internal tach signal
It measures, and is checked in BIOS；It can also be measured by outside, and be checked by other instruments.
Table 1 is the preset rotation speed of the fan table for being stored with the corresponding relationship of environmental noise and fan noise.As shown in table 1,
Assuming that environmental noise is 100dB, then rotation speed of the fan can be then adjusted to grade 1, i.e., equal to 80dB after subtracting 20dB
Fan noise is " enhancing 3 "；Assuming that environmental noise is 60dB, then be equal to 40dB after subtracting 20dB, then it can be by fan
Revolving speed is adjusted to any one grade in grade 1 to 5, i.e., fan noise be " in " any one into " enhancing 3 ".
It should be noted that increasing to overheat computer system will not because of the slow-speed of revolution in low environment noise
Software protection, i.e. CPU frequency reducing (Throttling).Here, CPU frequency reducing be when cpu temperature reaches 90 degree or so from
The dynamic a kind of CPU overheating protection function opened, in general, frequency reducing default is always on.In addition it is also necessary to explanation, preferably
Fan noise should be no more than 32dB, and environmental noise should be always larger than fan noise.
| Grade | Environmental noise | Fan noise |
| 1 | Environmental noise (dB) -20 (dB)≤80 (dB) | Enhance 3 (60dB) |
| 2 | Environmental noise (dB) -20 (dB)≤70 (dB) | Enhance 2 (50dB) |
| 3 | Environmental noise (dB) -20 (dB)≤60 (dB) | Enhance 1 (40dB) |
| 4 | Environmental noise (dB) -20 (dB)≤50 (dB) | High (32dB) |
| 5 | Environmental noise (dB) -20 (dB)≤40 (dB) | In frequency reducing=90 DEG C (28dB)+CPU |
| 6 | Environmental noise (dB) -20 (dB)≤30 (dB) | Low frequency reducing=70 DEG C (25dB)+CPU |
Table 1
130: the revolving speed of fan is controlled according to rotation speed of the fan value dynamic.
In embodiments of the present invention, computer controls the revolving speed of fan according to rotation speed of the fan value dynamic.
Specifically, be arranged embedded controller (Embedded Controller, EC) in a computer can according to
The rotation speed of the fan value found in preset rotation speed of the fan table carries out dynamic control to the revolving speed of fan, turns to realize fan
The intelligence of speed is floated.
The technical solution provided according to embodiments of the present invention, by obtaining the decibel value of environmental noise, in preset fan
Rotation speed of the fan value corresponding with decibel value is searched in revolution counter, and the revolving speed of fan is controlled according to rotation speed of the fan value dynamic, it can
Fan is set to change revolving speed with the environmental noise detected, it is thereby achieved that the intelligence of rotation speed of the fan is floated.
In another embodiment of the present invention, decibel value is converted into the available parameter value of computer system, wherein
Rotation speed of the fan value corresponding with decibel value is searched in preset rotation speed of the fan table, comprising: search in preset rotation speed of the fan table
Rotation speed of the fan value corresponding with parameter value.
Specifically, pass through driver before the decibel value for getting environmental noise in storage unit in BIOS, need
The environmental noise got by microphone or sensor is handled by third party software, i.e., by the decibel value of environmental noise
It is converted into the available parameter value of computer system；Further, it is searched in preset rotation speed of the fan table corresponding with parameter value
Rotation speed of the fan value, and according to the revolving speed of rotation speed of the fan value dynamic adjustment fan.
In another embodiment of the present invention, the revolving speed of fan is controlled according to rotation speed of the fan value dynamic, comprising: by decibel
Value is compared with default decibel value；If decibel value is greater than default decibel value, central processing unit or graphics processor are judged
Temperature whether be higher than the first preset temperature；If the temperature of central processing unit or graphics processor is higher than the first preset temperature,
It is then switched to environmental noise control rotation speed of the fan mechanism, if the temperature of central processing unit or graphics processor is equal to or less than the
One preset temperature, then fan does not rotate.
It specifically, can also be by point of environmental noise while adjusting the revolving speed of fan according to rotation speed of the fan value dynamic
Shellfish value is compared with default decibel value, and is determined according to comparison result through which kind of control rotation speed of the fan mechanism and controlled fan
Revolving speed.Here, control rotation speed of the fan mechanism may include chip temperature control rotation speed of the fan mechanism and environmental noise control wind
Fan revolving speed mechanism.
Further, if decibel value is greater than default decibel value, it is pre- further to judge whether the temperature of CPU is higher than first
If temperature；If the temperature of CPU is higher than the first preset temperature, it is switched to environmental noise control rotation speed of the fan mechanism, i.e., by embedding
Enter formula controller and control according to the decibel value of environmental noise the revolving speed of fan；If it is pre- that the temperature of CPU is equal to or less than first
If temperature, then fan does not rotate.Here, default decibel value can be 100dBA, and the first preset temperature can be 60 DEG C.
In another embodiment of the present invention, this method further include: if decibel value is less than or equal to default decibel value,
Then judge whether the temperature of central processing unit or graphics processor is higher than the second preset temperature；If at central processing unit or figure
Manage device temperature be higher than the second preset temperature, then central processing unit or the automatic frequency reducing of graphics processor, if central processing unit or
The temperature of graphics processor is equal to or less than the second preset temperature, then is switched to environmental noise control rotation speed of the fan mechanism, wherein
Second preset temperature is higher than the first preset temperature.
Specifically, if the decibel value of environmental noise is less than or equal to default decibel value, further judge CPU or figure
Whether the temperature of processor (Graphic Processing Units, GPU) is higher than the second preset temperature；If CPU's or GPU
Temperature is higher than the second preset temperature, the then automatic frequency reducing of CPU or GPU；If it is default that the temperature of CPU or GPU is equal to or less than second
Temperature, then be switched to environmental noise control rotation speed of the fan mechanism, i.e., by embedded controller according to the decibel value of environmental noise come
Control the revolving speed of fan.Here, the second preset temperature can be 80 DEG C, and be higher than 60 DEG C of the first preset temperature.
In another embodiment of the present invention, this method further include: judge central processing unit or figure after frequency reducing
Whether the temperature of processor is higher than third preset temperature；If the temperature of central processing unit or graphics processor is default higher than third
Temperature, then be switched to chip temperature control rotation speed of the fan mechanism, if the temperature of central processing unit or graphics processor be equal to or
Lower than third preset temperature, then environmental noise control rotation speed of the fan mechanism is switched to, wherein it is pre- that third preset temperature is higher than second
If temperature.
Specifically, after the automatic frequency reducing of CPU or GPU, judge whether the temperature of CPU or GPU is higher than third preset temperature；
If the temperature of CPU or GPU be higher than third preset temperature, pressure be switched to chip temperature control rotation speed of the fan mechanism, i.e., by
Embedded controller controls the revolving speed of fan according to chip temperature；If the temperature of central processing unit or graphics processor is equal to
Or be lower than third preset temperature, then it is switched to environmental noise control rotation speed of the fan mechanism, i.e., by embedded controller according to environment
The decibel value of noise controls the revolving speed of fan.Here, third preset temperature can be 90 DEG C, and be higher than the second preset temperature 80
℃。
In another embodiment of the present invention, the decibel value of environmental noise is obtained, comprising: pass through microphone or sensor
Obtain the decibel value of environmental noise.
Specifically, the decibel value of environmental noise can be obtained by microphone or sound transducer.Here, microphone can
Be it is built-in, be also possible to external, the invention is not limited in this regard.
In another embodiment of the present invention, user interface (User Interface, UI) can also be established, so that with
Family can voluntarily switching control rotation speed of the fan mechanism, i.e. chip temperature control fan turn on a user interface according to oneself hobby
Fast mechanism and environmental noise control rotation speed of the fan mechanism.
All the above alternatives can form alternative embodiment of the invention using any combination, herein no longer
It repeats one by one.
Fig. 2 is a kind of flow chart of fan rotational frequency control method shown in another exemplary embodiment according to the present invention.
As shown in Fig. 2, this method comprises:
202: obtaining the decibel value of environmental noise；
204: decibel value is converted into the available parameter value of computer system；
206: rotation speed of the fan value corresponding with parameter value is searched in preset rotation speed of the fan table；
208: judging whether decibel value is greater than default decibel value；
210: if decibel value is greater than default decibel value, judging whether the temperature of central processing unit or graphics processor is high
In the first preset temperature；
212: if the temperature of central processing unit or graphics processor is higher than the first preset temperature, being switched to environmental noise
Control rotation speed of the fan mechanism；
214: if the temperature of central processing unit or graphics processor is equal to or less than the first preset temperature, fan does not turn
It is dynamic；
216: if decibel value is less than or equal to default decibel value, judging the temperature of central processing unit or graphics processor
Whether the second preset temperature is higher than；
218: if the temperature of central processing unit or graphics processor is higher than the second preset temperature, central processing unit or figure
The automatic frequency reducing of shape processor；
220: if the temperature of central processing unit or graphics processor is equal to or less than the second preset temperature, being switched to ring
Border noise control rotation speed of the fan mechanism；
222: judging whether the temperature of central processing unit or graphics processor is higher than third preset temperature after frequency reducing；
224: if the temperature of central processing unit or graphics processor is higher than third preset temperature, being switched to chip temperature
Control rotation speed of the fan mechanism；
226: if the temperature of central processing unit or graphics processor is equal to or less than third preset temperature, being switched to ring
Border noise control rotation speed of the fan mechanism.
The technical solution provided according to embodiments of the present invention, by obtaining the decibel value of environmental noise, in preset fan
Rotation speed of the fan value corresponding with decibel value is searched in revolution counter, and the revolving speed of fan is controlled according to rotation speed of the fan value dynamic, it can
Fan is set to change revolving speed with the environmental noise detected, it is thereby achieved that the intelligence of rotation speed of the fan is floated.
Following is apparatus of the present invention embodiment, can be used for executing embodiment of the present invention method.For apparatus of the present invention reality
Undisclosed details in example is applied, embodiment of the present invention method is please referred to.
Fig. 3 is a kind of block diagram of fan rotation speed control apparatus shown in an exemplary embodiment according to the present invention.Such as Fig. 3 institute
Show, which includes:
Module 310 is obtained, is configured to obtain the decibel value of environmental noise；
Searching module 320 is configured to search rotation speed of the fan value corresponding with decibel value in preset rotation speed of the fan table；
Control module 330 is configured to control the revolving speed of fan according to rotation speed of the fan value dynamic.
The technical solution provided according to embodiments of the present invention, by obtaining the decibel value of environmental noise, in preset fan
Rotation speed of the fan value corresponding with decibel value is searched in revolution counter, and the revolving speed of fan is controlled according to rotation speed of the fan value dynamic, it can
Fan is set to change revolving speed with the environmental noise detected, it is thereby achieved that the intelligence of rotation speed of the fan is floated.
In another embodiment of the present invention, the device of Fig. 3 further include:
Conversion module 340 is configured to for decibel value to be converted into the available parameter value of computer system,
Wherein, the searching module 320 of Fig. 3 searches rotation speed of the fan corresponding with parameter value in preset rotation speed of the fan table
Value.
In another embodiment of the present invention, the control module 330 of Fig. 3 compares decibel value and default decibel value
Compared with if decibel value judges whether the temperature of central processing unit or graphics processor is higher than first in advance greater than default decibel value
If temperature, if the temperature of central processing unit or graphics processor is higher than the first preset temperature, it is switched to environmental noise control
Rotation speed of the fan mechanism, if the temperature of central processing unit or graphics processor is equal to or less than the first preset temperature, fan is not
Rotation.
In another embodiment of the present invention, if decibel value is less than or equal to default decibel value, the control mould of Fig. 3
Block 330 judges whether the temperature of central processing unit or graphics processor is higher than the second preset temperature；If central processing unit or figure
The temperature of shape processor is higher than the second preset temperature, then central processing unit or the automatic frequency reducing of graphics processor, if central processing
The temperature of device or graphics processor is equal to or less than the second preset temperature, then is switched to environmental noise control rotation speed of the fan mechanism,
Wherein, the second preset temperature is higher than the first preset temperature.
In another embodiment of the present invention, the control module 330 of Fig. 3 judges central processing unit or figure after frequency reducing
Whether the temperature of shape processor is higher than third preset temperature；If it is pre- that the temperature of central processing unit or graphics processor is higher than third
If temperature, then it is switched to chip temperature control rotation speed of the fan mechanism, if the temperature of central processing unit or graphics processor is equal to
Or be lower than third preset temperature, then it is switched to environmental noise control rotation speed of the fan mechanism, wherein third preset temperature is higher than second
Preset temperature.
In another embodiment of the present invention, input equipment is microphone or sensor.
In another embodiment of the present invention, the acquisition module 310 of Fig. 3 obtains environment by microphone or sensor and makes an uproar
The decibel value of sound.
The function of modules and the realization process of effect are specifically detailed in the above method and correspond to step in above-mentioned apparatus
Realization process, details are not described herein.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of fan rotational frequency control method, comprising:
Obtain the decibel value of environmental noise；
Rotation speed of the fan value corresponding with the decibel value is searched in preset rotation speed of the fan table；
The revolving speed of fan is controlled according to the rotation speed of the fan value dynamic.
2. the method according to claim 1, wherein further include:
The decibel value is converted into the available parameter value of computer system,
It is wherein, described that rotation speed of the fan value corresponding with the decibel value is searched in preset rotation speed of the fan table, comprising:
Rotation speed of the fan value corresponding with the parameter value is searched in the preset rotation speed of the fan table.
3. the method according to claim 1, wherein described control fan according to the rotation speed of the fan value dynamic
Revolving speed, comprising:
The decibel value is compared with default decibel value；
If the decibel value is greater than the default decibel value, judge whether the temperature of central processing unit or graphics processor is high
In the first preset temperature；
If the temperature of the central processing unit or the graphics processor is higher than first preset temperature, it is switched to environment
Noise control rotation speed of the fan mechanism,
If the temperature of the central processing unit or the graphics processor is equal to or less than first preset temperature, described
Fan does not rotate.
4. according to the method described in claim 3, it is characterized by further comprising:
If the decibel value is less than or equal to the default decibel value, the central processing unit or the graphics process are judged
Whether the temperature of device is higher than the second preset temperature；
If the temperature of the central processing unit or the graphics processor is higher than second preset temperature, the centre
Device or the automatic frequency reducing of the graphics processor are managed,
If the temperature of the central processing unit or the graphics processor is equal to or less than second preset temperature, switch
Rotation speed of the fan mechanism is controlled to the environmental noise,
Wherein, second preset temperature is higher than first preset temperature.
5. according to the method described in claim 4, it is characterized by further comprising:
Judge whether the temperature of the central processing unit or the graphics processor is higher than the default temperature of third after the frequency reducing
Degree；
If the temperature of the central processing unit or the graphics processor is higher than the third preset temperature, it is switched to chip
Temperature controlled fan revolving speed mechanism,
If the temperature of the central processing unit or the graphics processor is equal to or less than the third preset temperature, switch
Rotation speed of the fan mechanism is controlled to the environmental noise,
Wherein, the third preset temperature is higher than second preset temperature.
6. the method according to claim 1, wherein the decibel value for obtaining environmental noise, comprising:
The decibel value of the environmental noise is obtained by microphone or sensor.
7. a kind of fan rotation speed control apparatus, comprising:
Module is obtained, is configured to obtain the decibel value of environmental noise；
Searching module is configured to search rotation speed of the fan value corresponding with the decibel value in preset rotation speed of the fan table；
Control module is configured to control the revolving speed of fan according to the rotation speed of the fan value dynamic.
8. device according to claim 7, which is characterized in that further include:
Conversion module is configured to for the decibel value to be converted into the available parameter value of computer system,
Wherein, the searching module searches rotation speed of the fan corresponding with the parameter value in the preset rotation speed of the fan table
Value.
9. device according to claim 7, which is characterized in that the control module is by the decibel value and default decibel value
It is compared, if the decibel value is greater than the default decibel value, judges the temperature of central processing unit or graphics processor
Whether it is higher than the first preset temperature, is preset if the temperature of the central processing unit or the graphics processor is higher than described first
Temperature is then switched to environmental noise control rotation speed of the fan mechanism, if the temperature of the central processing unit or the graphics processor
Degree is equal to or less than first preset temperature, then the fan does not rotate.
10. the device according to any one of claims 7 to 9, which is characterized in that the input equipment be microphone or
Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019460.1A CN109779939B (en) | 2019-01-09 | 2019-01-09 | Fan rotating speed control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019460.1A CN109779939B (en) | 2019-01-09 | 2019-01-09 | Fan rotating speed control method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109779939A true CN109779939A (en) | 2019-05-21 |
| CN109779939B CN109779939B (en) | 2021-05-18 |
Family
ID=66499338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910019460.1A Active CN109779939B (en) | 2019-01-09 | 2019-01-09 | Fan rotating speed control method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109779939B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236587A (en) * | 2021-05-28 | 2021-08-10 | 浪潮电子信息产业股份有限公司 | Fan speed regulation method, device, equipment and medium for notebook computer |
| CN113719464A (en) * | 2021-08-26 | 2021-11-30 | 太仓市同维电子有限公司 | Method for detecting rotating speed of fan of non-network-management type switch |
| TWI817298B (en) * | 2021-12-24 | 2023-10-01 | 宏碁股份有限公司 | Electronic system and method of dynamically adjusting fan speed |
| US11914436B2 (en) | 2019-09-04 | 2024-02-27 | Hewlett-Packard Development Company, L.P. | Cooling fan and noise sensor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570902A (en) * | 2003-07-16 | 2005-01-26 | 广达电脑股份有限公司 | Mute notebook type computer and system operating status control method thereof |
| CN101546213A (en) * | 2008-03-25 | 2009-09-30 | 联想(北京)有限公司 | Method, system and device for adjusting rotating speed of radiating equipment in data processing equipment |
| CN201898688U (en) * | 2010-11-26 | 2011-07-13 | 英业达股份有限公司 | Electronic device |
| CN103135717A (en) * | 2011-12-02 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Container type data center and noise reduction method thereof |
| US20140161609A1 (en) * | 2012-12-10 | 2014-06-12 | Hon Hai Precision Industry Co., Ltd. | Fan control system and method |
| CN104131989A (en) * | 2013-05-02 | 2014-11-05 | 仁宝电脑工业股份有限公司 | Electronic device and fan control method thereof |
| US20140334091A1 (en) * | 2013-05-07 | 2014-11-13 | Nvidia Corporation | Counter rotating blower with individual controllable fan speeds |
| CN104566794A (en) * | 2014-12-17 | 2015-04-29 | 美的集团股份有限公司 | Room air conditioner control method and system as well as air conditioner adopting method and system |
| CN108401401A (en) * | 2018-04-03 | 2018-08-14 | 四川斐讯信息技术有限公司 | A kind of air-cooled radiating device, heat dissipating method and electronic equipment |
| CN108536259A (en) * | 2018-04-02 | 2018-09-14 | 郑州云海信息技术有限公司 | A kind of fan intelligent control method and system applied to server |
-
2019
- 2019-01-09 CN CN201910019460.1A patent/CN109779939B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570902A (en) * | 2003-07-16 | 2005-01-26 | 广达电脑股份有限公司 | Mute notebook type computer and system operating status control method thereof |
| CN101546213A (en) * | 2008-03-25 | 2009-09-30 | 联想(北京)有限公司 | Method, system and device for adjusting rotating speed of radiating equipment in data processing equipment |
| CN201898688U (en) * | 2010-11-26 | 2011-07-13 | 英业达股份有限公司 | Electronic device |
| CN103135717A (en) * | 2011-12-02 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Container type data center and noise reduction method thereof |
| US20140161609A1 (en) * | 2012-12-10 | 2014-06-12 | Hon Hai Precision Industry Co., Ltd. | Fan control system and method |
| CN104131989A (en) * | 2013-05-02 | 2014-11-05 | 仁宝电脑工业股份有限公司 | Electronic device and fan control method thereof |
| US20140334091A1 (en) * | 2013-05-07 | 2014-11-13 | Nvidia Corporation | Counter rotating blower with individual controllable fan speeds |
| CN104566794A (en) * | 2014-12-17 | 2015-04-29 | 美的集团股份有限公司 | Room air conditioner control method and system as well as air conditioner adopting method and system |
| CN108536259A (en) * | 2018-04-02 | 2018-09-14 | 郑州云海信息技术有限公司 | A kind of fan intelligent control method and system applied to server |
| CN108401401A (en) * | 2018-04-03 | 2018-08-14 | 四川斐讯信息技术有限公司 | A kind of air-cooled radiating device, heat dissipating method and electronic equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11914436B2 (en) | 2019-09-04 | 2024-02-27 | Hewlett-Packard Development Company, L.P. | Cooling fan and noise sensor |
| CN113236587A (en) * | 2021-05-28 | 2021-08-10 | 浪潮电子信息产业股份有限公司 | Fan speed regulation method, device, equipment and medium for notebook computer |
| CN113719464A (en) * | 2021-08-26 | 2021-11-30 | 太仓市同维电子有限公司 | Method for detecting rotating speed of fan of non-network-management type switch |
| TWI817298B (en) * | 2021-12-24 | 2023-10-01 | 宏碁股份有限公司 | Electronic system and method of dynamically adjusting fan speed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109779939B (en) | 2021-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109779939A (en) | Fan rotational frequency control method and device | |
| GB2534274A (en) | Gaze triggered voice recognition | |
| KR102669100B1 (en) | Electronic apparatus and controlling method thereof | |
| CN108536259A (en) | A kind of fan intelligent control method and system applied to server | |
| TW201944251A (en) | Volume adjustment method and apparatus, electronic device and storage medium | |
| CN115915734B (en) | Fan operation control method and device, electronic equipment and storage medium | |
| GB2522748A (en) | Detecting pause in audible input to device | |
| GB2603241A (en) | Latency determinations for human interface devices | |
| CN107885718A (en) | Semanteme determines method and device | |
| CN107040638A (en) | The processing method and mobile terminal of a kind of noise | |
| US11620996B2 (en) | Electronic apparatus, and method of controlling to execute function according to voice command thereof | |
| CN115769298A (en) | Automated assistant control of external applications lacking automated assistant application programming interface functionality | |
| CN106878444A (en) | Terminal, host device, computer-readable recording medium and data processing method | |
| CN104078042B (en) | A kind of electronic equipment and a kind of method of information processing | |
| CN111065240A (en) | Electronic device | |
| US10648486B2 (en) | Fan with impeller based on an audio spread-spectrum | |
| CN105812506A (en) | Operation mode control system and method | |
| CN110442361B (en) | Gray release method and device and electronic equipment | |
| CN103836006A (en) | Noise and vibration elimination system of fan | |
| CN101436091A (en) | System and method for controlling working temperature of central processing unit according to body temperature of user | |
| US11395239B2 (en) | Radio frequency power adaptation for handheld wireless devices | |
| US20230305630A1 (en) | Universal hand controller | |
| CN206460458U (en) | A kind of regulating system and electronic equipment for electronic equipment | |
| WO2023097768A1 (en) | Electronic device control method and apparatus, and electronic device and readable storage medium | |
| TWI530619B (en) | Control system for sound volume of a fan and the autocontrol method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |