CN103197745A - Heat radiation method and computer - Google Patents
Heat radiation method and computer Download PDFInfo
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- CN103197745A CN103197745A CN2012100013252A CN201210001325A CN103197745A CN 103197745 A CN103197745 A CN 103197745A CN 2012100013252 A CN2012100013252 A CN 2012100013252A CN 201210001325 A CN201210001325 A CN 201210001325A CN 103197745 A CN103197745 A CN 103197745A
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Abstract
The invention provides a heat radiation method and a computer. The heat radiation method comprises the following steps: obtaining the heat resistance of a radiator and judging whether the heat resistance of the radiator exceeds the preset heat resistance threshold; generating a heat resistance alarming signal when the heat resistance of the radiator exceeds the preset heat resistance threshold; and executing the system heat radiation protection scheme according to the heat resistance alarming signal. According to the invention, the heat radiation condition of the computer system can be effectively evaluated and effective protection is provided.
Description
Technical field
The present invention relates to field of computer technology, relate in particular to a kind of heat dissipating method and computing machine.
Background technology
At present, at the heat dissipating method of computer system passively at the system environments adjustment rotation speed of the fan of real-time measurement, wherein, the corresponding relation of system temperature and rotation speed of the fan sets, for instance, when system temperature when 10～20 spend, rotation speed of the fan is 1500 rev/mins, when system temperature is 20～30 when spending, rotation speed of the fan is 2000 rev/mins.
Existing heat dissipating method is the taking into account system temperature, is difficult to the heat dissipating state of evaluates calculation machine system effectively, in addition, when the heat dissipating state of computer system is unusual, except shutdown, does not also have the method for other protection computer systems in the prior art.
Summary of the invention
In view of this, the invention provides a kind of heat dissipating method and computing machine, the heat dissipating state of evaluates calculation machine system provides protection effectively effectively.
For addressing the above problem, the invention provides a kind of heat dissipating method, comprising:
Obtain heat radiator thermal resistance, and judge whether described heat radiator thermal resistance surpasses default thermal resistance threshold value;
When described heat radiator thermal resistance surpasses described default thermal resistance threshold value, generate the thermal resistance warning message;
According to described thermal resistance warning message, executive system heat radiation protection scheme.
Optionally, the described step of obtaining heat radiator thermal resistance comprises:
Obtain the DIE Temperature of CPU and the intake air temperature of fan;
Calculate the difference of the intake air temperature of the DIE Temperature of described CPU and described fan;
Obtain the power consumption of CPU;
Calculate the quotient of described difference and described CPU power consumption, obtain described heat radiator thermal resistance.
Optionally, described heat dissipating method also comprises:
Obtain rotation speed of the fan, and judge whether described rotation speed of the fan is unusual;
When described rotation speed of the fan is unusual, generate the rotation speed of the fan warning message;
According to described thermal resistance warning message and/or described rotation speed of the fan warning message, executive system heat radiation protection scheme.
Optionally, described heat dissipating method also comprises:
Obtain the system environments temperature, and judge whether described system environments temperature is unusual;
When described system environments temperature anomaly, build environment temperature alarming information;
According to described thermal resistance warning message and/or described environment temperature warning message, executive system heat radiation protection scheme.
Optionally, the step of described executive system heat radiation protection scheme comprises:
Improve the dutycycle of fan; And/or
The present invention also provides a kind of computing machine, comprising:
The thermal resistance monitoring module is used for obtaining heat radiator thermal resistance, and judges whether described heat radiator thermal resistance surpasses default thermal resistance threshold value;
First alarm module is used for when described heat radiator thermal resistance surpasses described default thermal resistance threshold value generation thermal resistance warning message;
Protection module is used for according to described thermal resistance warning message executive system heat radiation protection scheme.
Optionally, described thermal resistance monitoring module comprises:
Acquisition module is used for obtaining the DIE Temperature of CPU and the intake air temperature of fan;
Difference calculating module be used for to be calculated the difference of the intake air temperature of the DIE Temperature of described CPU and described fan;
The power consumption acquisition module is for the power consumption of obtaining CPU;
The quotient computing module, the quotient for calculating described difference and described CPU power consumption obtains described heat radiator thermal resistance.
Optionally, described computing machine also comprises:
The fan monitoring module is used for obtaining rotation speed of the fan, and judges whether described rotation speed of the fan is unusual;
Second alarm module is used for generating the rotation speed of the fan warning message when described rotation speed of the fan is unusual;
Wherein, described protection module also is used for according to described thermal resistance warning message and/or described rotation speed of the fan warning message, executive system heat radiation protection scheme.
Optionally, described computing machine also comprises:
The environment temperature monitoring module is used for obtaining the system environments temperature, and judges whether described system environments temperature is unusual;
The 3rd alarm module is used for when described system environments temperature anomaly build environment temperature alarming information;
Wherein, described protection module also is used for according to described thermal resistance warning message and/or described environment temperature warning message, executive system heat radiation protection scheme.
Optionally, described protection module comprises:
First execution module is for the dutycycle that improves fan; And/or
Second execution module is for reducing system power dissipation.The present invention has following beneficial effect:
(1) heat dissipating state of evaluates calculation machine system effectively provides protection effectively.
(2) have initiatively safeguard function, compare existing passive response, more intelligent, better adaptability,
Can implement omnibearing protection to system.
(3) can be mutual, the user can check warning message easily.
(4) but remote monitoring, the IT keeper can recognize the heat radiation monitoring situation of every computer system.
(5) have versatility, all platforms can be used.
(6) always realize that cost is low.
Description of drawings
Fig. 1 is the schematic flow sheet of the heat dissipating method of the first embodiment of the present invention;
Fig. 2 is the graph of relation of embodiment of the invention core cpu temperature and rotation speed of the fan;
Fig. 3 is the schematic flow sheet of the heat dissipating method of the second embodiment of the present invention;
Fig. 4 is the structural representation of the computing machine of the embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Be illustrated in figure 1 as the schematic flow sheet of the heat dissipating method of the first embodiment of the present invention, this heat dissipating method may further comprise the steps:
Rotation speed of the fan step 102 generates the thermal resistance warning message;
Because system exception states such as heat radiator thermal resistance can reflect directly whether heating radiator lost efficacy and whether system's air inlet, air outlet are blocked, system's laying dust is too much, thereby the heat dissipating state of evaluates calculation machine system effectively, protection effectively is provided.
In the above-mentioned steps 101, can obtain heat radiator thermal resistance in the following manner:
Step 1011 is obtained the DIE Temperature of CPU and the intake air temperature of fan;
Step 1012 is calculated the difference of the intake air temperature of the DIE Temperature of described CPU and described fan;
Step 1013 is obtained the power consumption of CPU;
Step 1014 is calculated the quotient of described difference and described CPU power consumption, obtains described heat radiator thermal resistance.
The computing formula of the heat radiator thermal resistance in the above-mentioned steps is as follows:
Ψ_rpm＝(Tj-Ta)/Power
Wherein, Ψ _ rpm is heat radiator thermal resistance, and Tj is the core cpu temperature, and Ta is the cpu fan intake air temperature, and Power is the CPU power consumption.
Fan is under desired speed (rpm), and when system's air inlet was blocked, the DIE Temperature of CPU can raise, and heat radiator thermal resistance value is corresponding rising also.Thereby, in the embodiment of the invention, can measure the relation curve of core cpu temperature and rotation speed of the fan in advance, as shown in Figure 2, wherein, according to core cpu temperature and rotation speed of the fan, just can calculate the target thermal resistance value (i.e. default thermal resistance threshold value) under this rotating speed, wherein, corresponding target thermal resistance value is arranged under any one rotation speed of the fan.When the system radiating ability descended, the actual thermal resistance value under this rotating speed can raise, and can judge relatively by actual thermal resistance value and target thermal resistance value whether heat radiator thermal resistance is unusual.Two curves among Fig. 2 are respectively before the dust out and the core cpu temperature after the dust out and the relation curve of rotation speed of the fan.
The above-mentioned method of obtaining heat radiator thermal resistance does not need extra hardware supported, saves cost, and judges directly accurately.
Certainly, heat radiator thermal resistance also can obtain by other means.In the above-mentioned steps 103, executive system heat radiation protection scheme in the following manner: improve the dutycycle of fan and/or reduce system power dissipation.For example, the dutycycle of fan is brought up to 100%.Perhaps, reduce system power dissipation by the mode that reduces the CPU frequency of operation.
By above-described embodiment, the heat dissipating state of evaluates calculation machine system provides protection effectively effectively, and has initiatively safeguard function, compares existing passive response, and more intelligent, better adaptability can be implemented omnibearing protection to system.
Be illustrated in figure 3 as the schematic flow sheet of the heat dissipating method of the second embodiment of the present invention, this heat dissipating method is applied to a computing machine, may further comprise the steps:
Step 301 is obtained heat radiator thermal resistance, and judges whether described heat radiator thermal resistance surpasses default thermal resistance threshold value, if, execution in step 303, otherwise continue execution in step 301;
Step 302 generates the thermal resistance warning message;
Step 303 is obtained rotation speed of the fan, and judges whether described rotation speed of the fan is unusual, if, execution in step 304, otherwise, return and continue execution in step 303;
So-called rotation speed of the fan refers to unusually whether fan shuts down, whether rotating speed surpasses preset rotation speed threshold value etc.
In the embodiment of the invention; can adopt the SIO (super I/O chip) in the computing machine to obtain rotation speed of the fan; judge whether rotation speed of the fan is unusual; because can being under any state at any operating system or computing machine, the monitoring function of SIO moves under (for example sleep state) operating mode; thereby can carry out effectively protection to system; and have versatility, all platforms can be used.
Step 304 generates the rotation speed of the fan warning message;
Step 305 is obtained the system environments temperature, and judges whether described system environments temperature is unusual, if, execution in step 306, otherwise, execution in step 305 continued;
In the embodiment of the invention, can be by temperature sensor (Sensor) the measuring system environment temperature that is arranged at preposition air inlet.
In step 307, concrete executive system heat radiation protection scheme in the following manner: improve the dutycycle of fan and/or reduce system power dissipation.
Owing to taken all factors into consideration heat radiator thermal resistance, rotation speed of the fan and system environments temperature in the present embodiment, thereby, can be further the heat dissipating state of evaluates calculation machine system effectively, computer system is implemented more comprehensively protection.
Among the other embodiment of the present invention, also can only obtain heat radiator thermal resistance and rotation speed of the fan, according to thermal resistance warning message and/or rotation speed of the fan warning message, executive system heat radiation protection scheme.Perhaps, also can only obtain heat radiator thermal resistance and system environments temperature, according to thermal resistance warning message and/or environment temperature warning message, executive system heat radiation protection scheme.Among the other embodiment of the present invention, except heat radiator thermal resistance is monitored, can also monitor the ambient humidity of computing machine and/or ambient pressure etc., and report to the police when unusual occurring, be not described in detail at this.
In the embodiment of the invention, can drive (driver) by the ACPI (advanced configuration and power-management interface) of customization, with above-mentioned warning message (rotation speed of the fan warning message, environment temperature warning message and thermal resistance warning message) write under the Windows " computer management " the inside system log (daily record) lining, make that warning message can be tracked, and additionally software support separately.In addition, by ACPI Driver, SIO also can notify warning message the Local or Remote monitoring tools, makes the IT keeper know that the system radiating situation is unusual.
Corresponding to above-mentioned heat dissipating method, the embodiment of the invention also provides a kind of computing machine, is illustrated in figure 4 as the structural representation of the computing machine of the embodiment of the invention, and described computing machine comprises:
Thermal resistance monitoring module 401 is used for obtaining heat radiator thermal resistance, and judges whether described heat radiator thermal resistance surpasses default thermal resistance threshold value;
Described thermal resistance monitoring module 401 can obtain heat radiator thermal resistance by following account form:
Ψ_rpm＝(Tj-Ta)/Power
Wherein, Ψ _ rpm is heat radiator thermal resistance, and Tj is the core cpu temperature, and Ta is the cpu fan intake air temperature, and Power is the CPU power consumption.
Based on above-mentioned computing machine formula, the thermal resistance monitoring module 401 of the embodiment of the invention can also comprise following functional module (scheming not shown):
Acquisition module is used for obtaining the DIE Temperature of CPU and the intake air temperature of fan;
Difference calculating module be used for to be calculated the difference of the intake air temperature of the DIE Temperature of described CPU and described fan;
The power consumption acquisition module is for the power consumption of obtaining CPU;
The quotient computing module, the quotient for calculating described difference and described CPU power consumption obtains described heat radiator thermal resistance.
Described protection module 403 can come executive system heat radiation protection scheme by dutycycle and/or the reduction system power dissipation that improves fan, that is to say that described protection module 403 can comprise following functional module (scheming not shown):
First execution module is for the dutycycle that improves fan; And/or
Second execution module is for reducing system power dissipation.
In the some embodiments of the present invention, except comprising the thermal resistance monitoring module, can also comprise:
The fan monitoring module is used for obtaining rotation speed of the fan, and judges whether described rotation speed of the fan is unusual;
Second alarm module is used for generating the rotation speed of the fan warning message when described rotation speed of the fan is unusual;
Wherein, described protection module also is used for according to described thermal resistance warning message and/or described rotation speed of the fan warning message, executive system heat radiation protection scheme.
In the some embodiments of the present invention, except comprising the thermal resistance monitoring module, can also comprise:
The environment temperature monitoring module is used for obtaining the system environments temperature, and judges whether described system environments temperature is unusual;
The 3rd alarm module is used for when described system environments temperature anomaly build environment temperature alarming information;
Wherein, described protection module also is used for according to described thermal resistance warning message and/or described environment temperature warning message, executive system heat radiation protection scheme.
In the some embodiments of the present invention, can also comprise fan monitoring module and environment temperature monitoring module simultaneously.
In sum, the embodiment of the invention has the following advantages:
(1) when the diffusing situation of computer craze is unusual, provides protection effectively.
(2) have initiatively safeguard function, compare existing passive response, more intelligent, better adaptability can be implemented omnibearing protection to system.
(3) can be mutual, the user can check warning message easily.
(4) but remote monitoring, the IT keeper can recognize the heat radiation monitoring situation of every computer system.
(5) have versatility, all platforms can be used.
(6) always realize that cost is low.
Many functional parts described in this instructions all are called as module, in order to emphasize the independence of its implementation more especially.
In the embodiment of the invention, module can realize with software, in order to carried out by various types of processors.For instance, the executable code module of a sign can comprise one or more physics or the logical block of computer instruction, and for instance, it can be built as object, process or function.However, the executable code of institute's identification module need not to be physically located in together, but can comprise the different instruction on being stored in the coordination not, when combining on these command logics, and its composition module and realize the regulation purpose of this module.
In fact, executable code module can be individual instructions or many instructions, and even can be distributed on a plurality of different code segments, be distributed in the middle of the distinct program, and cross over a plurality of memory devices and distribute.Similarly, service data can be identified in module, and can realize and be organized in the data structure of any suitable type according to any suitable form.Described service data can be used as the individual data collection and is collected, and perhaps can be distributed on the diverse location (to be included on the different storage device), and can only be present on system or the network as electronic signal at least in part.
When module can utilize software to realize, consider the level of existing hardware technology, so can be with the module of software realization, do not considering under the condition of cost, those skilled in the art can build the corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises conventional ultra-large integrated (VLSI) circuit or gate array and the existing semiconductor such as logic chip, transistor or other discrete element.Module can also be used programmable hardware device, such as realizations such as field programmable gate array, programmable logic array, programmable logic devices.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a heat dissipating method is characterized in that, comprising:
Obtain heat radiator thermal resistance, and judge whether described heat radiator thermal resistance surpasses default thermal resistance threshold value;
When described heat radiator thermal resistance surpasses described default thermal resistance threshold value, generate the thermal resistance warning message;
According to described thermal resistance warning message, executive system heat radiation protection scheme.
2. heat dissipating method as claimed in claim 1 is characterized in that, the described step of obtaining heat radiator thermal resistance comprises:
Obtain the DIE Temperature of CPU and the intake air temperature of fan;
Calculate the difference of the intake air temperature of the DIE Temperature of described CPU and described fan;
Obtain the power consumption of CPU;
Calculate the quotient of described difference and described CPU power consumption, obtain described heat radiator thermal resistance.
3. heat dissipating method as claimed in claim 1 is characterized in that, also comprises:
Obtain rotation speed of the fan, and judge whether described rotation speed of the fan is unusual;
When described rotation speed of the fan is unusual, generate the rotation speed of the fan warning message;
According to described thermal resistance warning message and/or described rotation speed of the fan warning message, executive system heat radiation protection scheme.
4. heat dissipating method as claimed in claim 1 is characterized in that, also comprises:
Obtain the system environments temperature, and judge whether described system environments temperature is unusual;
When described system environments temperature anomaly, build environment temperature alarming information;
According to described thermal resistance warning message and/or described environment temperature warning message, executive system heat radiation protection scheme.
5. as each described heat dissipating method of claim 1 to 4, it is characterized in that the step of described executive system heat radiation protection scheme comprises:
Improve the dutycycle of fan; And/or
Reduce system power dissipation.
6. a computing machine is characterized in that, comprising:
The thermal resistance monitoring module is used for obtaining heat radiator thermal resistance, and judges whether described heat radiator thermal resistance surpasses default thermal resistance threshold value;
First alarm module is used for when described heat radiator thermal resistance surpasses described default thermal resistance threshold value generation thermal resistance warning message;
Protection module is used for according to described thermal resistance warning message executive system heat radiation protection scheme.
7. computing machine as claimed in claim 6 is characterized in that, described thermal resistance monitoring module comprises:
Acquisition module is used for obtaining the DIE Temperature of CPU and the intake air temperature of fan;
Difference calculating module be used for to be calculated the difference of the intake air temperature of the DIE Temperature of described CPU and described fan;
The power consumption acquisition module is for the power consumption of obtaining CPU;
The quotient computing module, the quotient for calculating described difference and described CPU power consumption obtains described heat radiator thermal resistance.
8. computing machine as claimed in claim 6 is characterized in that, also comprises:
The fan monitoring module is used for obtaining rotation speed of the fan, and judges whether described rotation speed of the fan is unusual;
Second alarm module is used for generating the rotation speed of the fan warning message when described rotation speed of the fan is unusual;
Wherein, described protection module also is used for according to described thermal resistance warning message and/or described rotation speed of the fan warning message, executive system heat radiation protection scheme.
9. computing machine as claimed in claim 6 is characterized in that, also comprises:
The environment temperature monitoring module is used for obtaining the system environments temperature, and judges whether described system environments temperature is unusual;
The 3rd alarm module is used for when described system environments temperature anomaly build environment temperature alarming information;
Wherein, described protection module also is used for according to described thermal resistance warning message and/or described environment temperature warning message, executive system heat radiation protection scheme.
10. as each described computing machine of claim 6 to 9, it is characterized in that described protection module comprises:
First execution module is for the dutycycle that improves fan; And/or
Second execution module is for reducing system power dissipation.
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| CN2012100013252A CN103197745A (en) | 2012-01-04 | 2012-01-04 | Heat radiation method and computer |
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| CN2012100013252A CN103197745A (en) | 2012-01-04 | 2012-01-04 | Heat radiation method and computer |
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Cited By (6)
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| CN104978254A (en) * | 2014-04-03 | 2015-10-14 | 联想(北京)有限公司 | Heat dissipation detection method, heat dissipation detection system and electronic device |
| CN106444910A (en) * | 2016-10-26 | 2017-02-22 | 青岛海信移动通信技术股份有限公司 | Terminal device heat radiation method, device and system |
| CN107590295A (en) * | 2016-07-08 | 2018-01-16 | 台达电子企业管理（上海）有限公司 | Method and device for the cooling system condition evaluation of power model |
| CN109240464A (en) * | 2018-09-26 | 2019-01-18 | 努比亚技术有限公司 | A kind of heat dissipation of terminal method, terminal and computer readable storage medium |
| CN109655678A (en) * | 2017-10-11 | 2019-04-19 | 湖南中车时代电动汽车股份有限公司 | A kind of heat dissipation performance appraisal procedure and system for electricity consumption device |
| CN109682621A (en) * | 2018-12-13 | 2019-04-26 | 北京金风科创风电设备有限公司 | Fault detection method, device and system for heat dissipation device of power module |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978254A (en) * | 2014-04-03 | 2015-10-14 | 联想(北京)有限公司 | Heat dissipation detection method, heat dissipation detection system and electronic device |
| CN107590295A (en) * | 2016-07-08 | 2018-01-16 | 台达电子企业管理（上海）有限公司 | Method and device for the cooling system condition evaluation of power model |
| CN107590295B (en) * | 2016-07-08 | 2021-02-02 | 台达电子企业管理（上海）有限公司 | Method and device for evaluating condition of heat dissipation system of power module |
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| CN106444910B (en) * | 2016-10-26 | 2019-01-18 | 青岛海信移动通信技术股份有限公司 | A kind of heat dissipating method of terminal device, apparatus and system |
| CN109655678A (en) * | 2017-10-11 | 2019-04-19 | 湖南中车时代电动汽车股份有限公司 | A kind of heat dissipation performance appraisal procedure and system for electricity consumption device |
| CN109655678B (en) * | 2017-10-11 | 2021-11-16 | 湖南中车时代电动汽车股份有限公司 | Heat dissipation performance evaluation method and system for electric device |
| CN109240464A (en) * | 2018-09-26 | 2019-01-18 | 努比亚技术有限公司 | A kind of heat dissipation of terminal method, terminal and computer readable storage medium |
| CN109682621A (en) * | 2018-12-13 | 2019-04-26 | 北京金风科创风电设备有限公司 | Fault detection method, device and system for heat dissipation device of power module |
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Application publication date: 20130710 |