CN102193606A - Temperature control system and operating method thereof - Google Patents
Temperature control system and operating method thereof Download PDFInfo
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- CN102193606A CN102193606A CN2010101357272A CN201010135727A CN102193606A CN 102193606 A CN102193606 A CN 102193606A CN 2010101357272 A CN2010101357272 A CN 2010101357272A CN 201010135727 A CN201010135727 A CN 201010135727A CN 102193606 A CN102193606 A CN 102193606A
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Abstract
The invention provides a temperature control system and an operating method thereof. The temperature control system comprises a main board, and the main board consists of a CPU (Central Processing Unit), a BIOS (Basic Input/Output System), a base board management controller and a fan. The BIOS detects the CPU and outputs model information in a power-on self-test process. The operation method of the temperature control system comprises the following steps: the base board management controller reads analogue temperature from the CPU; the BIOS stores at least one temperature error list; the base board management controller selects a corresponding temperature error list according to the model information and calculates the surface temperature of the CPU according to the temperature error list and analogue temperature compensation so as to output a control signal; the fan receives the control signal and runs based on the control signal to reduce the surface temperature of the CPU. By utilizing the system and method disclosed by the invention, nonlinear errors between the analogue temperature and a practical temperature can be completely eliminated, thus the safety of the temperature control of the CPU can be largely improved, and the stability of the operation of a whole system can be enhanced.
Description
Technical field
The invention relates to a kind of temperature control system and method for operating thereof, and particularly about a kind of temperature control system and method for operating thereof that is applied on the computer motherboard.
Background technology
Because the fast development of scientific and technological communication industry, the application of information products is also healed thereupon and is become universal, and especially electronic installation such as desktop and laptop appears among the daily life especially continually.And this not only significantly promotes convenience in life, also shortened the distance of the time and space especially, make present everyone no longer limit to and restrict, and can make to each other more closely, in the hope of reaching the common interests optimization in conjunction with interactive and exchange bulk information knowledge in geographic boundary.
For central processing unit (CPU) the temperature sensing way to manage of above-mentioned electronic installation, the general at present platform management temperature treatment interface (PECI that adopts by INTEL formulated; PlatformEnvironmental Control Interface), read the temperature of CPU, its value is according to CPU running power institute corresponding estimation virtual temperature value, and is not actual temperature.Owing to can't directly obtain the actual temperature on CPU surface, be that a virtual temperature value and the fixed error value that will be estimated adds up at present, be its surface temperature with equivalence, and then control fan running speed in view of the above.
Yet, so often cause following point: on the one hand, different CPU, the pairing virtual temperature value of its PECI is also different; On the other hand, virtual temperature value and the real surface temperature of same model C PU neither be linear, and its pairing error amount often is not a fixed value.Therefore, these problems cause can't control rotation speed of the fan effectively and accurately, and causes the problem with temperature safety.
Summary of the invention
Therefore, one of purpose of the present invention is that a kind of temperature control system and method for operating thereof are being provided, and in order to obtaining the surperficial actual temperature of central processing unit exactly, thereby improves the problem that solves in the temperature control.
An aspect of of the present present invention is to propose a kind of temperature control system, comprises at least, and a motherboard, wherein motherboard comprises a central processing unit, a Basic Input or Output System (BIOS) (BIOS), a baseboard management controller and a fan.Central processing unit is arranged on the motherboard.Basic Input or Output System (BIOS) is arranged on the motherboard and electrically connects central processing unit, and Basic Input or Output System (BIOS) detects central processing unit and exports a type information of central processing unit in the startup self-detection process.Baseboard management controller is arranged on the motherboard and electrically connects central processing unit and Basic Input or Output System (BIOS), baseboard management controller reads an analog temperature of central processing unit from central processing unit, and Basic Input or Output System (BIOS) more stores at least one temperature error table.Baseboard management controller select pairing temperature error table, and by temperature error table and analog temperature, compensating gage is calculated the surface temperature of central processing unit, exports a control signal according to the type information that reads from Basic Input or Output System (BIOS).Fan then receives control signal and turns round to reduce this surface temperature of central processing unit according to control signal.
According to one embodiment of the invention, wherein Basic Input or Output System (BIOS) is to be to select a sensed parameter from central processing unit in the startup self-detection process, detects central processing unit and produces and export type information in view of the above.
According to another embodiment of the present invention, wherein baseboard management controller reads analog temperature from a temperature treatment interface of central processing unit.
According to further embodiment of this invention, wherein baseboard management controller is according to analog temperature, obtains a temperature error values from temperature error table correspondence.
Another aspect of the present invention is to propose a kind of method of operating of temperature control system, comprises at least, detects a central processing unit and exports a type information in view of the above; Read an analog temperature of central processing unit; According to the type information of central processing unit, select a pairing temperature error table; According to temperature error table and analog temperature, compensating gage is calculated a surface temperature of central processing unit; And according to a rotating speed of surface temperature control one fan.
According to one embodiment of the invention, wherein in the startup self-detection process, select a sensed parameter, to detect central processing unit and to export type information from central processing unit.
According to another embodiment of the present invention, wherein be a temperature treatment interface from central processing unit, read analog temperature.
According to further embodiment of this invention, wherein be according to analog temperature, obtain a temperature error values from temperature error table correspondence.
According to yet another embodiment of the invention, wherein add up, to calculate surface temperature for analog temperature and temperature error values.
Use the present invention is fully solved the nonlinearity erron between analog temperature and actual temperature, and this not only significantly improves its temperature control safety, promotes the stability of total system operation especially.
Description of drawings
For allowing above-mentioned and other purposes of the present invention, feature, advantage and embodiment can become apparent appended graphic being described as follows:
Fig. 1 illustrates a kind of temperature control system according to one embodiment of the invention.
Fig. 2 illustrates the process flow diagram according to the method for operating of a kind of temperature control system of one embodiment of the invention.
[primary clustering symbol description]
100: temperature control system S1: step
110: motherboard S2: step
120: central processing unit S3: step
130: Basic Input or Output System (BIOS) S4A: step
140: baseboard management controller S4B: step
150: fan S5A: step
160: north bridge chips S5B: step
170: South Bridge chip S6: step
S7: step
Embodiment
In order to make narration of the present invention more detailed and complete, can be with reference to accompanying drawing and the various embodiment of the following stated, identical number is represented same or analogous element in the accompanying drawing.On the other hand, known element and step are not described among the embodiment, with the restriction of avoiding causing the present invention unnecessary.
Please refer to Fig. 1, it illustrates a kind of temperature control system according to one embodiment of the invention.As shown in Figure 1, temperature control system 100 comprises a motherboard 110 at least.Motherboard 110 comprises a central processing unit (CPU) 120, a Basic Input or Output System (BIOS) (BIOS) 130, a baseboard management controller (BMC) 140 and a fan 150.Central processing unit 120 is arranged on the motherboard 110.Basic Input or Output System (BIOS) 130 is arranged on the motherboard 110 and electrically connects central processing unit 120.Baseboard management controller 140 is arranged on the motherboard 110, and electrically connects central processing unit 120.Fan 150 is arranged on the motherboard 110, in order to reduce a surface temperature of central processing unit 120.
Please continue with reference to Fig. 1, Basic Input or Output System (BIOS) 130 detects central processing unit 120 and exports a type information of central processing unit 120 in the startup self-detection process.More particularly, when Basic Input or Output System (BIOS) 130 in the detection of startup self-detection process, via north bridge chips 160 and South Bridge chip 170, in a working storage of central processing unit 120, read a sensed parameter to detect central processing unit 120, and then produce type information (Tcontrol), and be sent to baseboard management controller 140 as transport interface by a LPC (Low Pin Count) bus-bar.
In addition, 140 of baseboard management controllers are by platform management temperature treatment interface (PECI; Platform Environmental Control Interface) reads an analog temperature of central processing unit 120.Yet,, cause analog temperature often and have bigger and nonlinear error amount between the surface temperature of central processing unit 120 because analog temperature is to convert according to the running load state of the working storage in the central processing unit 120 and watt level thereof to get.In addition, the difference of the central processing unit of different model and real surface temperature also is different.
Because Basic Input or Output System (BIOS) 130 more stores at least one temperature error table, baseboard management controller 140 is selected pairing temperature error table according to the type information that is read from Basic Input or Output System (BIOS) 130.Yet, wherein the temperature error table be according to the analog temperature value the corresponding actual real surface temperature that measures, the difference table of comparisons of being set up.
Therefore, 140 of baseboard management controllers can be by temperature error table and analog temperature, and the action of tabling look-up is to obtain a temperature error values.Then, add up, calculate the surface temperature of central processing unit 120, control signal to fan 150 thereby export one with compensating gage for analog temperature and temperature error values.Thus, the rotating speed of fan 150 then can suitably dynamically be adjusted, to reduce the surface temperature of central processing unit 120.
Please refer to Fig. 2, it illustrates the process flow diagram according to a kind of temperature controlled method of operating of one embodiment of the invention.The temperature-controlled process of present embodiment is to be applied in the aforementioned temperature control system 100 according to one embodiment of the invention.As shown in Figure 2, temperature-controlled process 200 comprises following steps (S1～S7).
At first, in step S1, temperature-controlled process 200 is being worked as Basic Input or Output System (BIOS) 130 in the startup self-detection process, via north bridge chips 160 and South Bridge chip 170, in a working storage of central processing unit 120, read a sensed parameter, detect central processing unit and produce output type information (Tcontrol) in view of the above.
In step S2, type information then is to be sent to baseboard management controller 140 by a LPC (Low Pin Count) bus-bar as transport interface in regular turn; Step S3 then be baseboard management controller 140 according to type information, distinguish the model of central processing unit 120, and then select pairing temperature error table.
Yet each type information is corresponding specific a central processing unit, and the difference of the central processing unit surface temperature actual with it of different model also is a difference to some extent.As shown in Figure 2, in one embodiment of this invention, be type information (Tcontrol=24 by two correspondences; Tcontrol=25) principle of the invention notion is described in detail in detail, but the present invention is not subject to this, its kind number that is suitable for is worked as the demand of looking in the practical application and is determined with increase and decrease.
In step S4A, be according to type information (Tcontrol=24), come to read an analog temperature of central processing unit 120 by platform management temperature treatment interface (PECI); Then, in step S5A, then be according to the pairing temperature error table Table A of type information, the contrast of tabling look-up is to obtain a temperature error values.As for step S4B and step S5B, then be to repeat operating process in regular turn as step S4A and step S5A according to type information (Tcontrol=25) and corresponding temperature error table Table B thereof.
| -60 | 90 | 30 |
| -50 | 90 | 40 |
| -40 | 100 | 60 |
| -30 | 100 | 70 |
| -20 | 95 | 75 |
| -10 | 90 | 80 |
| 0 | 85 | 85 |
Then, in step S6, add up, calculate the real surface temperature of central processing unit 120 with compensating gage for analog temperature and temperature error values; At last, in step S7,, adjust the rotating speed of fan 150 according to the surface temperature that is calculated.
Thus, according to temperature control system among the invention described above embodiment and method of operating thereof, fully solved the nonlinearity erron between analog temperature and actual temperature, and this not only significantly improves its temperature control safety, promote the stability of total system operation especially.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, and under situation without departing from the spirit and scope of the present invention, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replace all drop in claims of the present invention institute restricted portion.
Claims (9)
1. a temperature control system is characterized in that, described system comprises at least:
One motherboard comprises:
One central processing unit is arranged on the described motherboard;
One Basic Input or Output System (BIOS) (BIOS) is arranged on the described motherboard and electrically connects described central processing unit, and described Basic Input or Output System (BIOS) detects described central processing unit and exports a type information of described central processing unit in the startup self-detection process;
One baseboard management controller, be arranged on the described motherboard and electrically connect described central processing unit and described Basic Input or Output System (BIOS), described baseboard management controller reads an analog temperature of described central processing unit from described central processing unit, described Basic Input or Output System (BIOS) more stores at least one temperature error table, described baseboard management controller is according to the described type information that reads from described Basic Input or Output System (BIOS), select pairing described temperature error table, and by described temperature error table and described analog temperature, compensating gage is calculated a surface temperature of described central processing unit, exports a control signal; And
One fan receives described control signal and turns round to reduce the described surface temperature of described central processing unit according to described control signal.
2. temperature control system according to claim 1 is characterized in that, described Basic Input or Output System (BIOS) is in the startup self-detection process, selects a sensed parameter from described central processing unit, to detect described central processing unit and to export described type information.
3. temperature control system according to claim 1 is characterized in that, described baseboard management controller reads described analog temperature from a temperature treatment interface of described central processing unit.
4. temperature control system according to claim 1 is characterized in that, described baseboard management controller is according to described analog temperature, obtains a temperature error values from described temperature error table correspondence.
5. the method for operating of a temperature control system is characterized in that, described method comprises at least:
Detect a central processing unit and export a type information in view of the above;
Read an analog temperature of described central processing unit;
According to the described type information of described central processing unit, select a pairing temperature error table;
According to described temperature error table and described analog temperature, compensating gage is calculated a surface temperature of described central processing unit; And
According to described surface temperature, control a rotating speed of a fan.
6. the method for operating of temperature control system according to claim 5 is characterized in that, described method more comprises:
In the startup self-detection process, select a sensed parameter from described central processing unit, to detect described central processing unit and to export described type information.
7. the method for operating of temperature control system according to claim 5 is characterized in that, described method more comprises:
Temperature treatment interface from described central processing unit reads described analog temperature.
8. the method for operating of temperature control system according to claim 5 is characterized in that, described method more comprises:
According to described analog temperature, obtain a temperature error values from described temperature error table correspondence.
9. the method for operating of temperature control system according to claim 8 is characterized in that, described method more comprises:
Add up for described analog temperature and described temperature error values, to calculate described surface temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101357272A CN102193606A (en) | 2010-03-10 | 2010-03-10 | Temperature control system and operating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101357272A CN102193606A (en) | 2010-03-10 | 2010-03-10 | Temperature control system and operating method thereof |
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| CN102193606A true CN102193606A (en) | 2011-09-21 |
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| CN2010101357272A Pending CN102193606A (en) | 2010-03-10 | 2010-03-10 | Temperature control system and operating method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253828A (en) * | 2013-06-25 | 2014-12-31 | 英业达科技有限公司 | Server system and monitoring method |
| CN104791278A (en) * | 2014-01-16 | 2015-07-22 | 鸿富锦精密工业（深圳）有限公司 | Fan control system and method |
| CN107980120A (en) * | 2016-12-08 | 2018-05-01 | 深圳市柔宇科技有限公司 | Electronic device and its dormancy control method |
| CN108090000A (en) * | 2018-01-11 | 2018-05-29 | 郑州云海信息技术有限公司 | A kind of method and system for obtaining CPU register informations |
| CN108279754A (en) * | 2018-01-22 | 2018-07-13 | 郑州云海信息技术有限公司 | A kind of fan cooling method, system, equipment and computer readable storage medium |
-
2010
- 2010-03-10 CN CN2010101357272A patent/CN102193606A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253828A (en) * | 2013-06-25 | 2014-12-31 | 英业达科技有限公司 | Server system and monitoring method |
| CN104791278A (en) * | 2014-01-16 | 2015-07-22 | 鸿富锦精密工业（深圳）有限公司 | Fan control system and method |
| CN107980120A (en) * | 2016-12-08 | 2018-05-01 | 深圳市柔宇科技有限公司 | Electronic device and its dormancy control method |
| CN108090000A (en) * | 2018-01-11 | 2018-05-29 | 郑州云海信息技术有限公司 | A kind of method and system for obtaining CPU register informations |
| CN108279754A (en) * | 2018-01-22 | 2018-07-13 | 郑州云海信息技术有限公司 | A kind of fan cooling method, system, equipment and computer readable storage medium |
| CN108279754B (en) * | 2018-01-22 | 2020-06-16 | 苏州浪潮智能科技有限公司 | Fan heat dissipation method, system, equipment and computer readable storage medium |
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Application publication date: 20110921 |