CN104595224A - Fan heat radiation control method and device - Google Patents
Fan heat radiation control method and device Download PDFInfo
- Publication number
- CN104595224A CN104595224A CN201510044298.0A CN201510044298A CN104595224A CN 104595224 A CN104595224 A CN 104595224A CN 201510044298 A CN201510044298 A CN 201510044298A CN 104595224 A CN104595224 A CN 104595224A
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- China
- Prior art keywords
- notebook computer
- fan
- testing result
- heat
- heat radiation
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
Abstract
The invention discloses a fan heat radiation control method and device and relates to a computer heat radiation technology. The fan heat radiation control method comprises the following steps: detecting a distance between a user and a notebook computer in real time; according to a detection result, judging whether to adjust the heat radiation of the notebook computer or not; if so, adjusting the heat radiation operation of a notebook computer fan; otherwise, not adjusting the heat radiation operation of the notebook computer fan. The fan heat radiation control method can be used for controlling a rotation speed of the fan by detecting whether the skin surface of the user is close to a lower cover of the notebook computer or not, so that the notebook computer fan can actively intelligently control the rotation speed during system operation through a method of controlling the rotation speed of the fan. The process that the user experiences the high temperature of the lower cover of the notebook computer is avoided; the user experience is improved, so that the purpose of improving product competitiveness is achieved.
Description
Technical field
The present invention relates to computer to dissipate heat technology, particularly the controlling method of a kind of fan intelligence active heat removal and device.
Background technique
Existing notebook computer product in use, due to desk fan Fan Table control mode, is generally that after mainboard temperature rises, fan turns gets up, then mainboard temperature is lowered, and heat sinking function phenomenologically has certain hysteresis quality.Therefore, when notebook computer product is put on knee by user, needs the pyroprocess experiencing notebook computer lower cover, make user be subject to certain puzzlement in Consumer's Experience process.
Summary of the invention
The object of the present invention is to provide a kind of controlling method and device of fan cooling, can solve when notebook computer lower cover is pressed close to its skin surface by user, need the problem of the pyroprocess experiencing notebook computer lower cover.
According to an aspect of the present invention, provide a kind of controlling method of fan cooling, comprising:
The distance of real-time detection user and notebook computer;
According to described testing result, determine whether to need the heat radiation to notebook computer to adjust;
Need to adjust the heat radiation of notebook computer if judge, then the heat discharging operation of notebook computer fan is adjusted accordingly;
Do not need to adjust the heat radiation of notebook computer if judge, then the heat discharging operation of notebook computer fan is not adjusted.
Preferably, the step of described real-time detection user and the distance of notebook computer comprises:
The distance of range sensor to user and notebook computer lower cover is utilized to detect in real time;
The distance of the user detected and notebook computer lower cover is judged whether met the testing result that preset distance requires;
Wherein, described preset distance requires to refer to, needs the preset distance scope adjusted the heat radiation of notebook computer.
Preferably, described according to described testing result, determine whether to need the step to the heat radiation of notebook computer adjusts to comprise:
If the distance of the user detected and notebook computer lower cover meets preset distance requirement, then judge to need to adjust the heat radiation of notebook computer;
If the distance of the user detected and notebook computer lower cover does not meet preset distance requirement, then judge not need the heat radiation to notebook computer to adjust.
Preferably, if described judgement needs to adjust the heat radiation of notebook computer, then the step that the heat discharging operation of notebook computer fan adjusts accordingly is comprised:
By detecting the inside temperature of described notebook computer, obtain the testing result whether described inside temperature meets preset temperature requirement;
The testing result that described inside temperature meets preset temperature requirement if obtain, then open notebook computer fan, and dispel the heat to described notebook computer according to specific rotation speeds;
The testing result that described inside temperature does not meet preset temperature requirement if obtain, then do not open notebook computer fan;
Wherein, described preset temperature requires to refer to, to the preset reference temperature that the heat discharging operation of notebook computer fan adjusts accordingly.
Preferably, obtain described inside temperature if described and meet the testing result that preset temperature requires, then open notebook computer fan, and also comprise after the step of described notebook computer being dispelled the heat according to specific rotation speeds:
When detect the distance of user and notebook computer lower cover do not meet preset distance require time, then the specific rotation speeds of the notebook computer fan opened is adjusted to original rotating speed, and according to original rotating speed, described notebook computer is dispelled the heat.
Preferably, if described judgement does not need to adjust the heat radiation of notebook computer, then the step that the heat discharging operation of notebook computer fan adjusts is not comprised:
By detecting the inside temperature of described notebook computer, obtain the testing result whether described inside temperature meets preset temperature requirement;
The testing result that described inside temperature meets preset temperature requirement if obtain, be then specific rotation speeds by the adjustment of rotational speed of the notebook computer fan opened, and dispel the heat to described notebook computer according to specific rotation speeds;
The testing result that described inside temperature does not meet preset temperature requirement if obtain, then do not adjust the rotating speed of the notebook computer fan opened.
Preferably, obtain described inside temperature if described and meet the testing result that preset temperature requires, be then specific rotation speeds by the adjustment of rotational speed of the notebook computer fan opened, and also comprise after the step of described notebook computer being dispelled the heat according to specific rotation speeds:
When detect the distance of user and notebook computer lower cover do not meet preset distance require time, then the specific rotation speeds of the notebook computer fan opened is adjusted to original rotating speed, and according to original rotating speed, described notebook computer is dispelled the heat.
According to a further aspect in the invention, provide a kind of control gear of fan cooling, comprising:
Testing module, for detecting the distance of user and notebook computer in real time;
Determination module, for according to described testing result, determines whether to need the heat radiation to notebook computer to adjust;
Adjusting module, if need to adjust the heat radiation of notebook computer for judging, then adjusts accordingly the heat discharging operation of notebook computer fan;
Not adjusting module, if do not need to adjust the heat radiation of notebook computer for judging, does not then adjust the heat discharging operation of notebook computer fan.
Preferably, described adjusting module comprises further:
First bears fruit module, for by detecting the inside temperature of described notebook computer, obtains the testing result whether described inside temperature meets preset temperature requirement;
First particular child module, if meet the testing result of preset temperature requirement for obtaining described inside temperature, then opens notebook computer fan, and dispels the heat to described notebook computer according to specific rotation speeds;
First keeps submodule, if do not meet the testing result of preset temperature requirement for obtaining described inside temperature, does not then open notebook computer fan.
Preferably, described adjusting module further comprises:
Second bears fruit module, for by detecting the inside temperature of described notebook computer, obtains the testing result whether described inside temperature meets preset temperature requirement;
Second particular child module, if meet the testing result of preset temperature requirement for obtaining described inside temperature, is then specific rotation speeds by the adjustment of rotational speed of the notebook computer fan opened, and dispels the heat to described notebook computer according to specific rotation speeds;
Second keeps submodule, if do not meet the testing result of preset temperature requirement for obtaining described inside temperature, does not then adjust the rotating speed of the notebook computer fan opened.
Compared with prior art, whether beneficial effect of the present invention is: can by detecting user skin surface near notebook computer lower cover, thus control the method for rotation speed of the fan, make user when using notebook computer, notebook computer fan control rotation speed of the fan, avoid user to experience the pyroprocess of notebook computer lower cover, strengthen Consumer's Experience sense.
Accompanying drawing explanation
Fig. 1 is the Method And Principle figure of the fan cooling control that the embodiment of the present invention provides;
Fig. 2 is the structure drawing of device of the fan cooling control that the embodiment of the present invention provides;
Fig. 3 is the workflow diagram of the fan cooling control that the embodiment of the present invention provides.
Embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Fig. 1 is the Method And Principle figure of the fan cooling control that the embodiment of the present invention provides, and as shown in Figure 1, concrete steps are as follows:
Step S1: the distance detecting user and notebook computer in real time.
In step sl, the distance of range sensor to user and notebook computer lower cover is utilized to detect in real time;
The distance of the user detected and notebook computer lower cover is judged whether met the testing result that preset distance requires;
Wherein, described preset distance requires to refer to, needs the preset distance scope adjusted the heat radiation of notebook computer.
Step S2: according to described testing result, determines whether to need the heat radiation to notebook computer to adjust.
In step s 2, if the distance of the user detected and notebook computer lower cover meets preset distance requirement, then judge to need to adjust the heat radiation of notebook computer;
If the distance of the user detected and notebook computer lower cover does not meet preset distance requirement, then judge not need the heat radiation to notebook computer to adjust.
Step S3: need to adjust the heat radiation of notebook computer if judge, then the heat discharging operation of notebook computer fan is adjusted accordingly.
In step s3, by detecting the inside temperature of described notebook computer, obtain the testing result whether described inside temperature meets preset temperature requirement;
The testing result that described inside temperature meets preset temperature requirement if obtain, then open notebook computer fan, and dispel the heat to described notebook computer according to specific rotation speeds;
The testing result that described inside temperature does not meet preset temperature requirement if obtain, then do not open notebook computer fan;
Wherein, described preset temperature requires to refer to, to the preset reference temperature that the heat discharging operation of notebook computer fan adjusts accordingly.
Further, obtain described inside temperature if described and meet the testing result that preset temperature requires, then open notebook computer fan, and also comprise after the step of described notebook computer being dispelled the heat according to specific rotation speeds:
When detect the distance of user and notebook computer lower cover do not meet preset distance require time, then the specific rotation speeds of the notebook computer fan opened is adjusted to original rotating speed, and according to original rotating speed, described notebook computer is dispelled the heat.
Step S4: do not need to adjust the heat radiation of notebook computer if judge, then the heat discharging operation of notebook computer fan is not adjusted.
In step s 4 which, by detecting the inside temperature of described notebook computer, obtain the testing result whether described inside temperature meets preset temperature requirement;
The testing result that described inside temperature meets preset temperature requirement if obtain, be then specific rotation speeds by the adjustment of rotational speed of the notebook computer fan opened, and dispel the heat to described notebook computer according to specific rotation speeds;
The testing result that described inside temperature does not meet preset temperature requirement if obtain, then do not adjust the rotating speed of the notebook computer fan opened.
Further, obtain described inside temperature if described and meet the testing result that preset temperature requires, be then specific rotation speeds by the adjustment of rotational speed of the notebook computer fan opened, and also comprise after the step of described notebook computer being dispelled the heat according to specific rotation speeds:
When detect the distance of user and notebook computer lower cover do not meet preset distance require time, then the specific rotation speeds of the notebook computer fan opened is adjusted to original rotating speed, and according to original rotating speed, described notebook computer is dispelled the heat.
Fig. 2 is the structure drawing of device that the fan cooling that provides of the embodiment of the present invention controls, and as shown in Figure 2, comprising: testing module, determination module, adjusting module and not adjusting module.
Described testing module is used for the distance detecting user and notebook computer in real time.
Described determination module is used for according to described testing result, determines whether to need the heat radiation to notebook computer to adjust.
If described adjusting module is used for judging to need to adjust the heat radiation of notebook computer, then the heat discharging operation of notebook computer fan is adjusted accordingly.Wherein, first of described adjusting module bears fruit module for by detecting the inside temperature of described notebook computer, obtains the testing result whether described inside temperature meets preset temperature requirement.If the first particular child module of described adjusting module is used for obtaining described inside temperature meet the testing result that preset temperature requires, then opens notebook computer fan, and according to specific rotation speeds, described notebook computer is dispelled the heat.If first of described adjusting module keeps submodule to be used for obtaining described inside temperature do not meet the testing result that preset temperature requires, then do not open notebook computer fan.Second of described adjusting module bears fruit module for by detecting the inside temperature of described notebook computer, obtains the testing result whether described inside temperature meets preset temperature requirement.If the second particular child module of described adjusting module is used for obtaining described inside temperature meet the testing result that preset temperature requires, be then specific rotation speeds by the adjustment of rotational speed of the notebook computer fan opened, and according to specific rotation speeds, described notebook computer dispelled the heat.If second of described adjusting module keeps submodule to be used for obtaining described inside temperature do not meet the testing result that preset temperature requires, then the rotating speed of the notebook computer fan opened is not adjusted.
If described not adjusting module is used for judging not need to adjust the heat radiation of notebook computer, then the heat discharging operation of notebook computer fan is not adjusted.
Fig. 3 is the workflow diagram of the fan cooling control that the embodiment of the present invention provides, and as shown in Figure 3, notebook computer utilizes optocoupler characteristic that the change of the power of light is converted into curent change, realizes the detection to user and notebook computer lower cover distance.The idiographic flow of fan intelligence active heat removal is as follows:
When the range sensor P-Sensor in notebook computer detects user's skin near notebook computer lower cover, judge whether the distance of user and notebook computer lower cover is in preset distance range, if be in preset distance range, further the innernal CPU temperature of notebook computer is detected, if inside temperature is in preset temperature range, then the rotating speed of the notebook computer fan opened is raised speed according to setting speed value, until speed-raising keeps current state after setting speed value, and according to this setting speed value, notebook computer is dispelled the heat.Whether range sensor P-Sensor in notebook computer continues detecting user skin near notebook computer lower cover, if the distance of user and notebook computer lower cover is in preset distance range, and inside temperature is in preset temperature range, then keep notebook computer fan current setting speed value constant, otherwise, then the current setting speed value of notebook computer fan is adjusted to original tachometer value.
In sum, whether the present invention has following technique effect: can by detecting user skin surface near notebook computer lower cover, thus control the method for rotation speed of the fan, make notebook computer when system cloud gray model, notebook computer fan can initiatively intelligent control rotation speed of the fan, avoid user to experience the pyroprocess of notebook computer lower cover, strengthen Consumer's Experience sense, thus reach the object increasing product competitive ability.
Although above to invention has been detailed description, the present invention is not limited thereto, those skilled in the art of the present technique can carry out various amendment according to principle of the present invention.Therefore, all amendments done according to the principle of the invention, all should be understood to fall into protection scope of the present invention.
Claims (10)
1. a controlling method for fan cooling, is characterized in that, comprising:
The distance of real-time detection user and notebook computer;
According to described testing result, determine whether to need the heat radiation to notebook computer to adjust;
Need to adjust the heat radiation of notebook computer if judge, then the heat discharging operation of notebook computer fan is adjusted accordingly;
Do not need to adjust the heat radiation of notebook computer if judge, then the heat discharging operation of notebook computer fan is not adjusted.
2. method according to claim 1, is characterized in that, the step of described real-time detection user and the distance of notebook computer comprises:
The distance of range sensor to user and notebook computer lower cover is utilized to detect in real time;
The distance of the user detected and notebook computer lower cover is judged whether met the testing result that preset distance requires;
Wherein, described preset distance requires to refer to, needs the preset distance scope adjusted the heat radiation of notebook computer.
3. method according to claim 2, is characterized in that, described according to described testing result, determines whether to need the step to the heat radiation of notebook computer adjusts to comprise:
If the distance of the user detected and notebook computer lower cover meets preset distance requirement, then judge to need to adjust the heat radiation of notebook computer;
If the distance of the user detected and notebook computer lower cover does not meet preset distance requirement, then judge not need the heat radiation to notebook computer to adjust.
4. the method according to claim 1 or 3, is characterized in that, if described judgement needs to adjust the heat radiation of notebook computer, then comprises the step that the heat discharging operation of notebook computer fan adjusts accordingly:
By detecting the inside temperature of described notebook computer, obtain the testing result whether described inside temperature meets preset temperature requirement;
The testing result that described inside temperature meets preset temperature requirement if obtain, then open notebook computer fan, and dispel the heat to described notebook computer according to specific rotation speeds;
The testing result that described inside temperature does not meet preset temperature requirement if obtain, then do not open notebook computer fan;
Wherein, described preset temperature requires to refer to, to the preset reference temperature that the heat discharging operation of notebook computer fan adjusts accordingly.
5. method according to claim 4, it is characterized in that, obtain described inside temperature if described and meet the testing result that preset temperature requires, then open notebook computer fan, and also comprise after the step of described notebook computer being dispelled the heat according to specific rotation speeds:
When detect the distance of user and notebook computer lower cover do not meet preset distance require time, then the specific rotation speeds of the notebook computer fan opened is adjusted to original rotating speed, and according to original rotating speed, described notebook computer is dispelled the heat.
6. the method according to claim 1 or 3, is characterized in that, if described judgement does not need to adjust the heat radiation of notebook computer, does not then comprise the step that the heat discharging operation of notebook computer fan adjusts:
By detecting the inside temperature of described notebook computer, obtain the testing result whether described inside temperature meets preset temperature requirement;
The testing result that described inside temperature meets preset temperature requirement if obtain, be then specific rotation speeds by the adjustment of rotational speed of the notebook computer fan opened, and dispel the heat to described notebook computer according to specific rotation speeds;
The testing result that described inside temperature does not meet preset temperature requirement if obtain, then do not adjust the rotating speed of the notebook computer fan opened.
7. method according to claim 6, it is characterized in that, obtain described inside temperature if described and meet the testing result that preset temperature requires, be then specific rotation speeds by the adjustment of rotational speed of the notebook computer fan opened, and also comprise after the step of described notebook computer being dispelled the heat according to specific rotation speeds:
When detect the distance of user and notebook computer lower cover do not meet preset distance require time, then the specific rotation speeds of the notebook computer fan opened is adjusted to original rotating speed, and according to original rotating speed, described notebook computer is dispelled the heat.
8. a control gear for fan cooling, is characterized in that, comprising:
Testing module, for detecting the distance of user and notebook computer in real time;
Determination module, for according to described testing result, determines whether to need the heat radiation to notebook computer to adjust;
Adjusting module, if need to adjust the heat radiation of notebook computer for judging, then adjusts accordingly the heat discharging operation of notebook computer fan;
Not adjusting module, if do not need to adjust the heat radiation of notebook computer for judging, does not then adjust the heat discharging operation of notebook computer fan.
9. device according to claim 8, is characterized in that, described adjusting module comprises further:
First bears fruit module, for by detecting the inside temperature of described notebook computer, obtains the testing result whether described inside temperature meets preset temperature requirement;
First particular child module, if meet the testing result of preset temperature requirement for obtaining described inside temperature, then opens notebook computer fan, and dispels the heat to described notebook computer according to specific rotation speeds;
First keeps submodule, if do not meet the testing result of preset temperature requirement for obtaining described inside temperature, does not then open notebook computer fan.
10. device according to claim 8, is characterized in that, described adjusting module further comprises:
Second bears fruit module, for by detecting the inside temperature of described notebook computer, obtains the testing result whether described inside temperature meets preset temperature requirement;
Second particular child module, if meet the testing result of preset temperature requirement for obtaining described inside temperature, is then specific rotation speeds by the adjustment of rotational speed of the notebook computer fan opened, and dispels the heat to described notebook computer according to specific rotation speeds;
Second keeps submodule, if do not meet the testing result of preset temperature requirement for obtaining described inside temperature, does not then adjust the rotating speed of the notebook computer fan opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510044298.0A CN104595224B (en) | 2015-01-28 | 2015-01-28 | A kind of control method of fan cooling and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510044298.0A CN104595224B (en) | 2015-01-28 | 2015-01-28 | A kind of control method of fan cooling and device |
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| CN104595224A true CN104595224A (en) | 2015-05-06 |
| CN104595224B CN104595224B (en) | 2017-03-08 |
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| CN201510044298.0A Active CN104595224B (en) | 2015-01-28 | 2015-01-28 | A kind of control method of fan cooling and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107463233A (en) * | 2017-08-16 | 2017-12-12 | 联想(北京)有限公司 | The cooling control method and electronic equipment of a kind of electronic equipment |
| CN111381648A (en) * | 2020-03-03 | 2020-07-07 | 合肥联宝信息技术有限公司 | Cooling method, system, electronic equipment and computer storage medium |
| CN111459252A (en) * | 2020-03-31 | 2020-07-28 | 联想(北京)有限公司 | Control method and device and electronic equipment |
| CN115113464A (en) * | 2022-08-29 | 2022-09-27 | 深圳市橙子数字科技有限公司 | Method and device for controlling rotating speed of projector fan |
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| CN104595224B (en) | 2017-03-08 |
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Effective date of registration: 20201215 Address after: 601-g6-1, 6th floor, building 2, No. 6, Shangdi West Road, Haidian District, Beijing 100085 Patentee after: Lenovo Kaitian Technology Co., Ltd Address before: 230601 418, 4 building, Hai Heng mansion 6, Cui Wei Road, Hefei economic and Technological Development Zone, Anhui Patentee before: HEFEI LCFC INFORMATION TECHNOLOGY Co.,Ltd. |
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