CN1591279A - Heat radiating method and system - Google Patents
Heat radiating method and system Download PDFInfo
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- CN1591279A CN1591279A CNA031566367A CN03156636A CN1591279A CN 1591279 A CN1591279 A CN 1591279A CN A031566367 A CNA031566367 A CN A031566367A CN 03156636 A CN03156636 A CN 03156636A CN 1591279 A CN1591279 A CN 1591279A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The present invention relates to a heat-radiating method and system which is used in the computer system with ACPI unit. According to the temperature of CPU, machine shell and battery of computer system. it can be used to drive all the heat-radiating units for reducing temperature of CPU and machine shell and regulating power consumption of battery so as to raise the heat-radiating and operation effect of computer system. The user can utilize the heat-radiating temperature working mode set in computer system, in which said heat-radiating temperature working mode is refered to that when the CPU and machine shell are being in different temperature ranges it can respectively make all the heat-radiating units produce different running intensities, then the temperature-sensing control unit of said computer system can be used to detect the temperature of CPU, machine shell and battery, transfer it into ACPI unit, and make the ACPI unit command the heat-radiating units of CPU and machine shell to make heat-radiating treatment according to the heat-radiating temperature working mode set by user, and regulate battery power consumption and reduce operation noise.
Description
Technical field
The invention relates to a kind of heat dissipating method and system, particularly carry out the heat dissipating method and the system of radiating treatment about the computer system of a kind of ACPI of having unit.
Background technology
Because the electronic information development of science and technology is maked rapid progress, many powerful and products reasonable price come out one after another, with the computer equipment is example, no matter be large-scale supercomputer, server host, still personal computer and notebook computer or the like all become indispensable important tool in people's work, the life already.Progress along with semiconductor technology, can be with increasing circuit integrated in same integrated circuit (IC), therefore the volume of computer product is more and more littler, travelling speed is more and more faster, CPU with computing machine is an example, it just once regenerated in per 4 years, and its travelling speed is Exponential growth especially.
But incident is that to be difficult for the problem of heat radiation serious day by day because of volume-diminished, thereby this is because travelling speed increases the raising cause power consumption.The height of temperature can have influence on the stability of system's operation, at present can be because of the electronic component heating part, for example CPU or in be equipped with on the computer housing etc. of various electronic components and add heat-sink unit (as fan), to avoid too high the delay machine even IC burnt of system that causes of Yin Wendu.Have, power consumption more direct serviceable life that has influence on portable computer device, generally speaking, the battery of high power capacity increases the time of use by selecting for use more, but can increase the weight of battery like this, simultaneously, also can improve the temperature of computer housing again.
Industry mainly contains the problem that two kinds of practices are improved above-mentioned heat radiation and power consumption at present, wherein a kind of is the administrative skill of promoting power supply, as the Basic Input or Output System (BIOS) in the past computing machine (BIOS) and now advanced configuration and power management interface (Advanced Configuration and PowerInterface; ACPI) etc. the ability that just has power management; Another kind is by developing better battery material, making it that bigger capacity and littler volume be arranged.
As mentioned above, prior art is the temperature of coming reduction system operation by heat-sink unit, but the incident noise that produces when being the heat-sink unit operation, and heat-sink unit itself can't dynamically be adjusted its heat-sinking capability along with present environment temperature; And the user also can't dynamically control the noise content that heat-sink unit produces according to present environment for use.On the other hand, adopt ACPI to do power management and adopt BIOS that very big progress has been arranged, can allow the user under operating system, assign instruction by language and image easily, allow machine arrange all than in the past.But for the computer equipment of battery as power supply, this method still can't obtain the temperature of current battery operation, also can't dynamically adjust the speed of CPU operation, thereby also just can't reach the purpose of promoting battery life, so still can't reach the purpose of power management completely effectively.Generally speaking, do the management of system radiating and power supply, still can't change and dynamically change the specific heat load of heat-sink unit and the ability of CPU travelling speed, and can't allow the user control the noise content that heat-sink unit produces with system temperature with prior art.
Summary of the invention
For overcoming the shortcoming of above-mentioned prior art, fundamental purpose of the present invention is to provide a kind of heat dissipating method and system, by temperature sensing control module and advanced configuration and power management interface (ACPI), the temperature information of the present hardware of detection of dynamic, and change the operation intensity of heat-sink unit and the frequency of operation of CPU with the variation of temperature information, to reach the purpose of system radiating.
Another object of the present invention is to provide a kind of heat dissipating method and system, allow the user set different heat radiation rules by operating system, make system under maximum CPU task performance, also can take into account largest battery service time and minimum heat-sink unit noise simultaneously.
For reaching above-mentioned purpose, the invention provides the computer system that a kind of heat dissipating method is used for having the ACPI unit, it is according to the CPU of this computer system, the temperature of casing and battery, driving is used to reduce each fan of CPU and casing temperature, and adjustment battery power consumption, promote the heat radiation and the operation usefulness of computer system whereby, this heat dissipating method comprises: carry out a temperature setting program, be used to set user's exothermic temperature mode of operation, wherein, this exothermic temperature mode of operation is meant CPU and casing in different temperature ranges, makes each fan produce different heat dissipations respectively; Then, detect the temperature of CPU, casing and battery by the temperature sensing control module of computer system, and produce corresponding temperature signal and it is reached the ACPI unit according to this detected temperature, the exothermic temperature mode of operation that the ACPI unit is set according to the user, make each fan that CPU and casing are carried out radiating treatment, and adjustment battery power consumption, wherein, this radiating treatment is included in and makes fan reach high rotating speed in the high-temperature scope, makes fan reach medium speed in middle temperature range and make fan reach the slow-speed of revolution in temperature range.
This cooling system is applied in the computer system, the temperature-driven of its CPU according to computer system, casing and battery is used to reduce each heat-sink unit of CPU and casing temperature, and adjustment battery power consumption, improve the heat radiation and the operation usefulness of this computer system whereby, this cooling system comprises: a storage unit is used to store the radiating control program that a plurality of temperature threshold value and are controlled CPU travelling speed and each heat-sink unit drive strength; One temperature sensing control module is used to detect CPU and casing temperature, and produces corresponding temperature signal and it is reached the ACPI unit according to this detected temperature; One KBC is used to receive the battery temperature that is sent to by the temperature sensing control module and produces a battery temperature information; An and ACPI unit, be used to receive temperature signal that is sent to by the temperature sensing control module and the battery temperature information that is sent to by KBC, and temperature signal or temperature information and temperature threshold value compared, wherein, the ACPI unit is according to this temperature signal, read and carry out the radiating control program corresponding from storage unit with it, and read and carry out the battery electric quantity control program corresponding from storage unit with this battery temperature information according to this battery temperature information, controlled the operation intensity and the battery power consumption of CPU travelling speed, each heat-sink unit.
In sum, heat dissipating method of the present invention and system are that temperature threshold value that the user is set and CPU or casing temperature compare, with the operation intensity of decision CPU and each heat-sink unit of body and the operating frequency of control CPU, reach the purpose of computer system heat radiation.The user also can set different heat radiation rules by operating system, makes system under maximum CPU task performance, increases its battery service time and reduces the operation noise of each heat-sink unit.
Description of drawings
Fig. 1 is a system block diagrams, shows the basic framework of a preferred embodiment of cooling system of the present invention;
Fig. 2 is a circuit diagram, the circuit relationships between CPU in the displayed map 1 and temperature sensing control module;
Fig. 3 (A) to Fig. 3 (D) be temperature and rotation speed of the fan corresponding tables, show the rotating speed situation of heat dissipating method of the present invention at specific range of temperatures inner control fan;
Fig. 4 is a process flow diagram, shows the process step of heat dissipating method of the present invention when actual motion; And
Fig. 5 is a process flow diagram, the process step of radiating treatment in the heat dissipating method of displayed map 4.
Embodiment
Embodiment
Fig. 1 shows that cooling system 1 of the present invention is used for the basic framework of the preferred embodiment of a notebook computer.It is noted that at this, though being example with the notebook computer, present embodiment describes, but the present invention is not limited to be used for notebook computer, also can be used on the various computer installations with radiating treatment function, control is carried out radiating treatment as the heat abstractor of fan to the part (for example CPU and casing) that more easily produces thermal source in the computer installation.
In Fig. 1, this notebook computer is the part that the empty frame of label 1 indication comprises, its system architecture comprises at least: a central processing unit (Central Processing Unit, below abbreviate it as CPU) 10, one storage unit 11, a temperature sensing control module 12, a CPU heat-sink unit 13, a battery 14, a Keyboard Control unit (Keyboard Controller; Below abbreviate it as KBC) 15, one ACPI unit 16, a casing 17 and a casing heat-sink unit 18.
This CPU10 is used for carrying out each program of storage unit 11, and it is generally existing data processing equipment, therefore following will its function and inside structure not being further described.
Storage unit 11 is used to store notebook computer 1 operation and uses and go up each required program, comprises system program (Operating System) 110, exothermic temperature setting program 111, heat radiation active program 112 and battery electric quantity control program 113.
System program 110 is used to control the overall operation of notebook computer 1, required necessary program when it is the operation of general computer system, also be the known system of personage of familiar with computers technology, not therefore following will its function and inside structure not being further described.
The program that exothermic temperature setting program 111, heat radiation active program 112 and battery electric quantity control program 113 heat dissipating method promptly according to the present invention are write.This exothermic temperature setting program 111 is used to provide the user to set notebook computer 1 required reference temperature on its radiating treatment, just sets mode of operation to obtain critical temperature by the user; This active program 112 that dispels the heat is used for for notebook computer 1 according to the mode of operation of user's setting and the temperature of CPU10 and casing 17, driving CPU heat-sink unit 13 and casing heat-sink unit 18; And battery electric quantity control program 113, be used for for notebook computer 1 according to the mode of operation of user's setting and temperature control battery 14 power consumption of CPU10 and casing 17.Detailed process wherein such as Fig. 4, shown in Figure 5.
Battery 14 inside have an electroregulator (thermistor) (figure is mark not), it can record the pairing temperature of battery 14 electric weight consumption situations, and the temperature that this records is sent to KBC15, to produce a battery temperature information according to the temperature that receives (because this electroregulator and KBC15 are the electronic package of knowing, therefore following will its function and inside structure not being further described), then the temperature information that receives is not reached ACPI unit 16 by KBC15; On the other hand, temperature sensing control module 12 detects the temperature of CPU10 and casing 17, according to detected temperature, produces corresponding temperature signal and it is reached ACPI unit 16.As shown in Figure 2, this figure illustrates the circuit relationships of 12 of CPU10 and temperature sensing control modules, it is the temperature sensor of MAX6657 that temperature sensing control module 12 adopts by Maxim company development product model, wherein, pin signal SMBDATA, SMBCLK on this temperature sensor and ALERT adopt SMbus interface (System Management Bus) or IIC interface (all figure mark), as and 16 buses of carrying out data transmission in ACPI unit.Because being temperature sensor, SMbus interface and the IIC interface of MAX6657, product type is prior art, so its function and framework are not given unnecessary details at this.
Therefore, ACPI unit 16 is according to the mode of operation that stores in the storage unit 11 and set by the user (this mode of operation promptly carry out this exothermic temperature setting program 111 get), temperature information and temperature signal that KBC15 and temperature sensing control module 12 are transmitted respectively, compare with temperature threshold value, and according to the power consumption (this control program is meant battery electric quantity control program 113) of comparative result control battery 14 and order about each heat-sink unit (13,18) and move (this program of ordering about is meant heat radiation active program 112) accordingly.
See also Fig. 3 (A) to Fig. 3 (D), it shows cooling system of the present invention and the method signal table at each heat-sink unit rotating speed of specific range of temperatures inner control; Fig. 3 (A) and Fig. 3 (B) are CPU heat-sink unit 13 operation reference tables (114,115), and Fig. 3 (C) and Fig. 3 (D) are casing heat-sink unit 18 operation reference tables (116,117).The usefulness of the data access the when data in these reference tables (114 to 117) are carried out exothermic temperature setting program 111 and heat radiation active program 112 for notebook computer 1, " AL " in these reference tables (114 to 117) reaches " AC " and is meant, when CPU10 or casing 17 temperature reach the highest critical value of a specific range of temperatures, order about its heat-sink unit (13 or 18) with specific rotation speeds operation, drop to the lowest critical value of this specific range of temperatures up to this CPU10 or casing 17 temperature.
The operation reference table (114,116) of Fig. 3 (A) and 3 (C) figure is to belong to static (Silence) mode of operation, and the operation reference table (114,117) of Fig. 3 (B) and 3 (D) is to belong to dynamically (Active) mode of operation, and these mode of operations are obtained by the exothermic temperature setting program 111 that the user carries out storage unit 11.When mode of operation was made as static state, the rotating speed that the rotating speed of this heat-sink unit (13 or 18) will be when being made as dynamic operation mode was slow, and its to rotate noise also less.
Therefore, heat dissipating method of the present invention and system make the user control the travelling speed of each heat-sink unit (13 or 18), the operation intensity and the battery power consumption of each heat-sink unit according to CPU10 or casing 17 temperature.
See also Fig. 4, it shows the process step of the required execution of heat dissipating method of the present invention.After notebook computer 1 start, the Working mode set program of execution in step S101 is at first just carried out the exothermic temperature setting program 111 of storage unit 11, and it is dynamic or static setting required heat radiation mode of operation for the user.
Then in step S102, the mode of operation that CPU10 sets the user is stored in the storage area (figure is mark) in the storage unit 11.
Then in step S103, heat radiation active program 112 and battery electric quantity control program 113 are carried out in ACPI unit 16, make ACPI unit 16 in notebook computer 1 operational process, can drive the power consumption situation of the rotating speed and the control battery 14 of each heat-sink unit (13 or 18) according to the mode of operation that the user sets.
Then consult Fig. 5, the described radiating treatment flow process of the step S103 of its displayed map 4.At first execution in step S201 detects present CPU10 temperature by temperature sensing control module 12.
Then in step S202, detect the temperature of present casing 17 by temperature sensing control module 12.
Then in step S203, detect the temperature of correspondence according to these battery 14 consumptions by the electroregulator (figure is mark not) of battery 14 inside.
Then in step S204, detect the temperature of CPU10 and casing 17 at temperature sensing control module 12 after, reach this ACPI unit 16 promptly according to the temperature signal that should detected temperature produces correspondence, and with it.
Then in step S205, after the electroregulator of battery 14 detects battery temperature, this battery temperature that records is reached KBC15, this KBC15 produces the temperature information of a correspondence and reaches ACPI unit 16 according to its temperature that receives.
Then in step S206, carry out the heat radiation active program 112 and the battery electric quantity control program 113 of storage unit 11 by ACPI unit 16, and obtain temperature threshold value according to the mode of operation that the user sets, the temperature signal that this temperature threshold value and temperature sensing control module 12 are transmitted or compare with temperature information that KBC15 transmits is with the drive strength that determines each heat-sink unit (13 and 18), operating frequency and battery 14 power consumption of CPU10.Wherein, after ACPI unit 16 compares temperature signal or temperature information and temperature threshold value, if temperature signal is greater than this temperature threshold value, to transmit a control command to temperature sensing control module 12 by ACPI16, to make the drive strength of these temperature sensing control module 12 control CPU heat-sink units 13 or casing heat-sink unit 18; If temperature information is during greater than this temperature threshold value, will by CPU10 transmit a control command to KBC15 to make the power consumption of KBC15 control battery 14.
Therefore, heat dissipating method of the present invention and system compare the temperature threshold value of user's setting and the temperature of CPU10 or casing 17, with the operation intensity of decision CPU and each heat-sink unit of body and the operating frequency of control CPU, reach the purpose of computer system heat radiation, and increase its battery service time and reduce the operation noise of each heat-sink unit.
The above only is the preferred embodiment of heat dissipating method of the present invention and system, non-in order to limit the scope of essence technology contents of the present invention, temperature sensing control module 12 as shown in Figure 2, except that adopting product type is the temperature sensor of MAX6657, also can adopt by Maxim company development product model is the temperature sensor of MAX6658 and MAX6659, just, decide according to example.
Claims (13)
1. heat dissipating method, be used for having the computer system of ACPI unit, its temperature-driven according to the CPU of computer system and casing is used to reduce each heat-sink unit of CPU and casing temperature, promotes the heat radiation and the operation usefulness of computer system whereby, it is characterized in that this heat dissipating method comprises:
Carry out a temperature setting program, make the user set an exothermic temperature mode of operation, wherein, this exothermic temperature mode of operation is meant CPU and casing in different temperature ranges, makes its heat-sink unit produce the heat dissipation of varying strength respectively; And
Detect the temperature of CPU and casing by the temperature sensing control module of computer system, and produce corresponding temperature signal and it is reached the ACPI unit according to this detected temperature, the exothermic temperature mode of operation that the ACPI unit is set according to the user, make the heat-sink unit of CPU and casing carry out radiating treatment, wherein, this radiating treatment is meant that the CPU of computer system and casing when a specific range of temperatures, will make its heat-sink unit reach a specific run intensity.
2. heat dissipating method as claimed in claim 1, it is characterized in that, this radiating treatment is included in and makes heat-sink unit reach high operation intensity in the high-temperature scope, makes heat-sink unit reach middle operation intensity in middle temperature range, and makes heat-sink unit reach low operation intensity in temperature range.
3. heat dissipating method as claimed in claim 2, it is characterized in that, each temperature range all has the highest critical value and lowest critical value, and when CPU or casing temperature reach the highest critical value of a certain temperature range, order about its heat-sink unit and move, drop to the lowest critical value of this temperature range up to this CPU or casing temperature with a certain strength.
4. heat dissipating method as claimed in claim 1, it is characterized in that, this heat dissipating method is also adjusted battery power consumption according to the battery temperature of computer system, promote the heat radiation and the operation usefulness of computer system whereby, it is the temperature that is detected battery by the temperature sensing unit of battery, by this temperature sensing control module the temperature that it records is reached KBC again, KBC produces the temperature information of a correspondence and reaches the ACPI unit according to the temperature that receives, and adjusts battery power consumption to make the ACPI unit according to the exothermic temperature mode of operation that the user sets.
5. heat dissipating method as claimed in claim 4 is characterized in that, the temperature sensing unit of this battery is an electroregulator.
6. heat dissipating method as claimed in claim 1 is characterized in that, this computer system is a kind of in notebook computer and the desktop PC.
7. a cooling system is used for computer system, and it is according to the CPU and the casing temperature of computer system, driving is used to reduce each heat-sink unit of this CPU and casing temperature, promote the heat radiation and the operation usefulness of computer system whereby, it is characterized in that this cooling system comprises:
One storage unit is used to store the radiating control program that a plurality of temperature threshold value and are controlled CPU travelling speed and each heat-sink unit drive strength;
One temperature sensing control module is used to detect CPU and casing temperature, and produces corresponding temperature signal according to this detected temperature, and it is reached the ACPI unit; And
One ACPI unit, be used to receive the temperature signal that is sent to by this temperature sensing control module, and this temperature signal and temperature threshold value compared, to produce a control signal corresponding with this comparative result, and read and carry out the radiating control program corresponding from storage unit with this control signal according to this control signal, controlled the operation intensity of each heat-sink unit.
8. cooling system as claimed in claim 7 is characterized in that, this cooling system also comprises:
One battery electric quantity control program is stored in this storage unit;
One temperature sensing control module is used to detect battery temperature; And
One KBC is used to receive the battery temperature that is sent to by this temperature sensing control module, and according to the battery temperature that this receives, produces a battery temperature information; Wherein, KBC reaches the ACPI unit with the battery temperature information of its generation, according to this battery temperature information, read and carry out the battery electric quantity control program corresponding by the ACPI unit, controlled CPU travelling speed and battery power consumption with this battery temperature information from storage unit.
9. cooling system as claimed in claim 7 is characterized in that, this temperature threshold value is used to provide the CPU of this computer system and casing when reaching this specified temp critical value, makes its heat-sink unit reach a specific run intensity.
10. cooling system as claimed in claim 9, it is characterized in that, can limit a plurality of specific range of temperatures according to these temperature threshold value, the corresponding relation of these specific range of temperatures and specific run intensity, at least be included in and make this heat-sink unit reach high operation intensity in the high-temperature scope, in middle temperature range, make this heat-sink unit reach middle operation intensity, and in temperature range, make this heat-sink unit reach low operation intensity.
11. cooling system as claimed in claim 10, it is characterized in that, each temperature range all has the highest critical value and lowest critical value, and when CPU or casing temperature reach the highest critical value of a certain temperature range, order about its heat-sink unit and move, drop to the lowest critical value of this temperature range up to this CPU or casing temperature with a certain strength.
12. cooling system as claimed in claim 8 is characterized in that, the temperature sensing unit of this battery is an electroregulator.
13. cooling system as claimed in claim 7 is characterized in that, this computer system is a kind of in notebook computer and the desktop PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031566367A CN1591279A (en) | 2003-09-05 | 2003-09-05 | Heat radiating method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031566367A CN1591279A (en) | 2003-09-05 | 2003-09-05 | Heat radiating method and system |
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| CN1591279A true CN1591279A (en) | 2005-03-09 |
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| CNA031566367A Pending CN1591279A (en) | 2003-09-05 | 2003-09-05 | Heat radiating method and system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399439B (en) * | 2007-09-26 | 2011-05-25 | 联想(北京)有限公司 | Battery protection method and apparatus used for electronic product |
| CN102346502A (en) * | 2010-08-02 | 2012-02-08 | 联想(北京)有限公司 | Computer, intelligent equipment and temperature control method |
| CN105867269A (en) * | 2016-04-11 | 2016-08-17 | 武汉攀升兄弟科技有限公司 | Computer work environment management system |
| CN106020391A (en) * | 2016-05-12 | 2016-10-12 | 福建捷联电子有限公司 | Control method for micro-miniature computer fan |
| 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 |
| CN106802850A (en) * | 2015-11-26 | 2017-06-06 | 瑞昱半导体股份有限公司 | Temprature control method and use its input/output unit |
| CN110476137A (en) * | 2018-03-13 | 2019-11-19 | 三菱电机株式会社 | Information process unit |
-
2003
- 2003-09-05 CN CNA031566367A patent/CN1591279A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399439B (en) * | 2007-09-26 | 2011-05-25 | 联想(北京)有限公司 | Battery protection method and apparatus used for electronic product |
| CN102346502A (en) * | 2010-08-02 | 2012-02-08 | 联想(北京)有限公司 | Computer, intelligent equipment and temperature control method |
| CN106802850A (en) * | 2015-11-26 | 2017-06-06 | 瑞昱半导体股份有限公司 | Temprature control method and use its input/output unit |
| CN106802850B (en) * | 2015-11-26 | 2019-11-12 | 瑞昱半导体股份有限公司 | Temprature control method and the input/output unit for using it |
| CN105867269A (en) * | 2016-04-11 | 2016-08-17 | 武汉攀升兄弟科技有限公司 | Computer work environment management system |
| CN106020391A (en) * | 2016-05-12 | 2016-10-12 | 福建捷联电子有限公司 | Control method for micro-miniature computer fan |
| CN106020391B (en) * | 2016-05-12 | 2019-09-20 | 福建捷联电子有限公司 | A kind of microminiature computer fan control method |
| 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 |
| 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 |
| CN110476137A (en) * | 2018-03-13 | 2019-11-19 | 三菱电机株式会社 | Information process unit |
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