CN102053679B - Overheating protection method for computer system and related overheating protection system - Google Patents
Overheating protection method for computer system and related overheating protection system Download PDFInfo
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- CN102053679B CN102053679B CN 200910210571 CN200910210571A CN102053679B CN 102053679 B CN102053679 B CN 102053679B CN 200910210571 CN200910210571 CN 200910210571 CN 200910210571 A CN200910210571 A CN 200910210571A CN 102053679 B CN102053679 B CN 102053679B
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Abstract
The invention relates to an overheating protection method for a computer system. The computer system comprises a temperature sensor, a controller and an input/output system. The overheating protection method comprises the following steps that: the temperature sensor measures the temperature of the computer system to acquire a temperature value; the controller compares the temperature value with a temperature critical value; when the temperature value is not lower than the temperature critical value, the controller periodically transmits an overheating notification signal to the input/output system; the input/output system executes a system cooling program when receiving the overheating notification signal; and when the controller determines that the system cooling program is not correctly executed, the controller executes a mandatory overheating protection action.
Description
Technical field
The present invention refers to a kind of method for excessive heating protection for a computer system and relevant overheat protecting system; espespecially whether an a kind of keyboard controller of this computer system basis receives the response signal corresponding to overheated notification signal, this computer system is carried out method for excessive heating protection and the relevant overheat protecting system of different overheating protection actions.
Background technology
Progress along with electronic technology, the hardware grade of computer system such as desktop PC or notebook computer constantly promotes, can support high-speed computation and complicated image processing function, simultaneously, in appearance also towards miniaturization, lightening development, popular for usefulness and demand attractive in appearance in the hope of satisfying simultaneously.Carry out in computer system under the situation of zero access; system temperature raises fast, if do not have good heat dissipation design or overheat protective function, temperature is easy to surpass the temperature specification that the inside computer system element can be kept normal operation; cause usefulness to reduce, even cause the permanent damage of element.
The motherboard of known computer systems is provided with a keyboard controller (Keyboard Controller), is used for processing the signal of being inputted by keyboard and mouse, and the environment temperature of detection system.When system temperature was too high, keyboard controller can be sent an overheated notification signal, and notice Basic Input or Output System (BIOS) (BasicInput/Output System) is with CPU (central processing unit) (Central Processing Unit, CPU) reduction of speed.After receiving overheated notification signal, Basic Input or Output System (BIOS) must passback one confirm that the payment received signal is to keyboard controller.If keyboard controller does not receive the confirmation the payment received signal, keyboard controller can continue to transmit overheated notification signal to Basic Input or Output System (BIOS), arrives certain value until keyboard controller detects system temperature, and till the shutdown of control computer system.For instance, when system temperature reaches 80 degree Celsius, keyboard controller is sent overheated notification signal immediately, if keyboard controller does not receive the affirmation payment received signal that Basic Input or Output System (BIOS) is sent always, keyboard controller can continue to send overheated notification signal, until system temperature is up to 100° centigrade, the supply power supply of the system that directly shuts down computer at last.
Above-mentioned method for excessive heating protection has two shortcomings at least.The first, keyboard controller continue to send overheated notification signal to system closedown during this period of time in, computer system operates on the condition of high temperature for a long time, the probability that causes inner member to damage significantly increases; Second, keyboard controller only can be by confirming the payment received signal, learn that Basic Input or Output System (BIOS) receives overheated notification signal, but have no way of learning whether Basic Input or Output System (BIOS) is controlled CPU (central processing unit) and reduced execution speed, or whether CPU (central processing unit) finishes the action of reduction of speed really.Therefore, known method for excessive heating protection can't thorough ground protection calculation machine system not be subject to high-temperature damage.
Summary of the invention
Therefore, fundamental purpose of the present invention namely is to provide a kind of method for excessive heating protection for a computer system and relevant overheat protecting system.
The present invention discloses a kind of method for excessive heating protection for a computer system, and this computer system includes a temperature sensor, a controller and an input-output system.This method for excessive heating protection includes the temperature of this this computer system of temperature sensor measurement, to obtain a temperature value; This controller is this temperature value and a temperature threshold value relatively; When this temperature value is non-when being lower than this temperature threshold value, this controller cycle ground transmits an overheated notification signal to this input-output system; This input-output system is carried out system's cooling process when receiving this overheated notification signal; And when this controller judged that this system's cooling process is not correctly carried out, this controller was carried out one and is forced the overheating protection action.
The present invention also discloses a kind of overheat protecting system for a computing machine, includes a temperature sensor, an input-output system and a controller.This temperature sensor is used for measuring the temperature of this computing machine, to obtain a temperature value.This input-output system is used for carrying out system's cooling process according to an overheated notification signal.This controller is coupled to this temperature sensor and this input-output system, is used for judging whether this system's cooling process is correctly carried out, and when this system's cooling process is not correctly carried out, carries out one and force the overheating protection action.
Description of drawings
Fig. 1 is the functional block diagram of the embodiment of the invention one overheat protecting system.
Fig. 2 to Fig. 4 is the synoptic diagram of embodiment of the invention overheating protection flow process.
[main element label declaration]
10 overheat protecting systems 20,30,40 overheating protection flow processs
100 keyboard controller, 102 temperature sensors
104 Basic Input or Output System (BIOS)s, 12 CPU (central processing unit)
14 radiator fan S
OVTOverheated notification signal
T
CTemperature value
200,202,204,206,208,210,212,214,300,302,304,306,308,310,312,314,316,400,402,404,406,408,410,412,414,416,418 steps
Embodiment
Please refer to Fig. 1, Fig. 1 is the functional block diagram that the embodiment of the invention is used for an overheat protecting system 10 of a computer system, and the computer system of using overheat protecting system 10 can be desktop PC, notebook computer or similar computer system.Overheat protecting system 10 includes a keyboard controller (Keyboard Controller) 100, one temperature sensor (Thermal Detector) 102 and one Basic Input or Output System (BIOS) (Basic Input/Output System) 104.
Temperature sensor 102 is coupled to a CPU (central processing unit) (CentralProCessing unit, CPU) 12 of computer system and is located at a radiator fan 14 of CPU (central processing unit) 12 outsides, is used for the temperature of measurement computer system, to obtain a temperature value T
C, typically refer to the temperature of CPU (central processing unit) 12.Basic Input or Output System (BIOS) 104 is used for according to an overheated notification signal S
OVT, carry out system's cooling process.Keyboard controller 100 is coupled to temperature sensor 102 and Basic Input or Output System (BIOS) 104, is used in temperature value T
CWhen too high, transmit overheated notification signal S
OVTTo Basic Input or Output System (BIOS) 104; judge whether Basic Input or Output System (BIOS) 104 correctly carries out system's cooling process; and the relevant action that control temperature sensor 102 and Basic Input or Output System (BIOS) 104 are carried out overheating protection avoids computer system to cause damage because of excess Temperature.
Please note; the purposes of above-mentioned keyboard controller 100 and Basic Input or Output System (BIOS) 104 is only for overheat protecting system 10; in fact keyboard controller 100 and Basic Input or Output System (BIOS) 104 have other function in addition; as the boot program of Basic Input or Output System (BIOS) 104 controllable computer systems, default and and peripheral unit between signal input and output etc., in this omission.
Operation workflow about the overheat protecting system 10 of Fig. 1 please refer to Fig. 2.Fig. 2 is the synoptic diagram of the embodiment of the invention one overheating protection flow process 20, and overheating protection flow process 20 includes following steps:
Step 200: beginning.
Step 202: temperature sensor 102 is measured the temperature of this computer system, to obtain a temperature value T
C
Step 204: the temperature value T that keyboard controller 100 C.T. sensors 102 are measured
CWith a temperature threshold value T
HIf temperature value T
CBe greater than or equal to temperature threshold value T
H, carry out step 206; If temperature value T
CBe lower than temperature threshold value T
H, carry out step 214.
Step 206: keyboard controller 100 periodically transmits an overheated notification signal S
OVTTo Basic Input or Output System (BIOS) 104.
Step 208: Basic Input or Output System (BIOS) 104 is in receiving overheated notification signal S
OVTThe time, carry out system's cooling process.
Step 210: keyboard controller 100 judges whether Basic Input or Output System (BIOS) 104 correctly carries out this system's cooling process.If keyboard controller 100 judges that this system's cooling process is executed correctly, carry out step 214; If keyboard controller 100 judges that this system's cooling process is not executed correctly, carry out step 212.
Step 212: keyboard controller 100 is carried out one and is forced the overheating protection action.
Step 214: finish.
According to overheating protection flow process 20, the temperature of temperature sensor 102 measurement computer system obtains a temperature value T
C, keyboard controller 100 receives temperature value T from temperature sensor 102
C, and with temperature value T
CWith a temperature threshold value T
HCompare temperature threshold value T
HBe set as CPU (central processing unit) 12 and be determined overheated temperature, for example 70 degree Celsius or 80 are spent, and its user's demand with hardware specification and computer system is relevant, is not limited to particular temperature value.As temperature value T
CBe lower than temperature threshold value T
H, the temperature of expression CPU (central processing unit) 12 is in the scope of safe operation, so overheating protection flow process 20 finishes.As temperature value T
CBe greater than or equal to temperature threshold value T
H, expression CPU (central processing unit) 12 is overheated, this moment other element Yin Gaowen and damaging in CPU (central processing unit) 12 and the computer system, according to step 206, keyboard controller 100 beginnings periodically transmit an overheated notification signal S
OVTTo Basic Input or Output System (BIOS) 104, per 500 milliseconds of transmission overheated notification signal S once for example
OVTUnder the computer system hardware normal operation, Basic Input or Output System (BIOS) 104 is in receiving overheated notification signal S
OVTAfter, can return one and confirm the payment received signal to keyboard controller 100, overheated notification signal S has been received in expression
OVT, keyboard controller 100 also can be confirmed to have or not and receives the confirmation the payment received signal.
When keyboard controller 100 begins to transmit overheated notification signal S
OVT, Basic Input or Output System (BIOS) 104 will be in receiving overheated notification signal S
OVTThe time, carry out system's cooling process, such as the execution speed that downgrades CPU (central processing unit) 12 etc., to reduce the temperature of computer system.Simultaneously, whether correctly keyboard controller 100 judges Basic Input or Output System (BIOS) 104 executive system cooling process constantly.Judge correctly executive system cooling process of Basic Input or Output System (BIOS) 104 when keyboard controller 100, the temperature of expression CPU (central processing unit) 12 is controlled in the safe range, so overheating protection flow process 20 finishes.When keyboard controller 100 is judged the incorrect executive system cooling process of Basic Input or Output System (BIOS) 104 systems; keyboard controller 100 can be carried out one and force the overheating protection action; the supply power supply of the system that for example shuts down computer; or be a maximum (top) speed value by temperature sensor 102 with the speed setting of radiator fan 14, to make as early as possible the drop in temperature of CPU (central processing unit) 12.Thus, when system's cooling process failure that Basic Input or Output System (BIOS) 104 is carried out, when computer system was not successfully lowered the temperature, keyboard controller 100 can be carried out the overheating protection action, and protection calculation machine system is not subjected to high temperature injury.
The given key disk controller only continues to transmit overheated notification signal to Basic Input or Output System (BIOS), and can only learn that Basic Input or Output System (BIOS) has or not and receive overheated notification signal, above-mentioned action all can't guarantee correctly executive system cooling process of Basic Input or Output System (BIOS).When situation when machine occured computer system, the given key disk controller may continue to send overheated notification signal until computer system is shut down, and causes computer system to operate on for a long time the condition of high temperature.Compared to the given key disk controller, keyboard controller 100 can judge that Basic Input or Output System (BIOS) 104 has or not correct executive system cooling process according to overheating protection flow process 20, and when system's cooling process is not executed correctly, forces to carry out overheating protection.Therefore, the computer system of utility key disk controller 100 and overheating protection flow process 20 can preferably avoid high temperature for the damage of hardware element.
According to the present invention, keyboard controller 100 can judge more accurately whether system's cooling process is correctly carried out.Keyboard controller 100 not only when not receiving the confirmation the payment received signal, correctly do not carry out by the decision-making system cooling process; Even keyboard controller 100 has received the confirmation the payment received signal, keyboard controller 100 can reaffirm that still whether the temperature of computer system descends really, judges that accordingly system's cooling process has or not correct execution.Further embodiment about the step 210 of overheating protection flow process 20 illustrates it in Fig. 3 and Fig. 4.
Please refer to Fig. 3, Fig. 3 is the synoptic diagram of the embodiment of the invention one overheating protection flow process 30.Overheating protection flow process 30 is used for the overheat protecting system of Fig. 1, includes following steps:
Step 300: beginning.
Step 302: temperature sensor 102 is measured the temperature of this computer system, to obtain a temperature value T
C
Step 304: the temperature value T that keyboard controller 100 C.T. sensors 102 are measured
CWith a temperature threshold value T
HIf temperature value T
CBe greater than or equal to temperature threshold value T
H, carry out step 306; If temperature value T
CBe lower than temperature threshold value T
H, carry out step 316.
Step 306: keyboard controller 100 periodically transmits an overheated notification signal S
OVTTo Basic Input or Output System (BIOS) 104.
Step 308: Basic Input or Output System (BIOS) 104 is in receiving overheated notification signal S
OVTThe time, carry out system's cooling process.
Step 310: keyboard controller 100 is in transmitting overheated notification signal S
OVTAfter, detect whether receive the affirmation payment received signal that Basic Input or Output System (BIOS) 104 returns.If keyboard controller 100 is in transmitting overheated notification signal S
OVTAfter through a Preset Time, do not receive yet this affirmation payment received signal, carry out step 314; If received this affirmation payment received signal, carry out step 312.
Step 312: the temperature value T that keyboard controller 100 C.T. sensors 102 are measured
CWith temperature threshold value T
HIf temperature value T
CBe greater than or equal to temperature threshold value T
H, carry out step 314; If temperature value T
CBe lower than temperature threshold value T
H, carry out step 316.
Step 314: keyboard controller 100 is carried out one and is forced the overheating protection action.
Step 316: finish.
Step 300 is not repeated herein to explanation in aforesaid overheating protection flow process 20 of step 308.According to step 310, keyboard controller 100 transmits overheated notification signal S in each time
OVTAfter, detect whether receive the affirmation payment received signal that Basic Input or Output System (BIOS) 104 returns.If in transmitting overheated notification signal S
OVTAfter do not receive yet this affirmation payment received signal through a Preset Time, keyboard controller 100 will be carried out and force the overheating protection action.Relatively, if received the confirmation the payment received signal in Preset Time, keyboard controller 100 will reaffirm whether the temperature of computer system descends really.Note that above-mentioned Preset Time equals keyboard controller 100 and periodically transmits overheated notification signal S
OVTTime span, that is keyboard controller 100 transmits overheated notification signal S
OVTA preset times, the calculating of this Preset Time can use a timer or a counter to reach.For instance, the length of supposing Preset Time is 2 seconds, when keyboard controller 100 in transmitting overheated notification signal S
OVTReceive the confirmation the payment received signal in afterwards 2 seconds, keyboard controller 100 judges further whether the performed system's cooling process of Basic Input or Output System (BIOS) 104 is effective; Relatively, when keyboard controller 100 in transmitting overheated notification signal S
OVTDo not receive the confirmation yet the payment received signal after afterwards 2 seconds, keyboard controller 100 judgement computer systems may be worked as machine, and then carry out according to step 314 and force the overheating protection action, as the supply power supply of the system that shuts down computer.
As from the foregoing, whether keyboard controller 100 bases receive the affirmation payment received signal corresponding to overheated notification signal, carry out respectively different actions, preferably can judge whether successful execution of the performed system's cooling process of Basic Input or Output System (BIOS) 104, even but not transmitted overheated notification signal as the given key disk controller, can't learn also whether computer system breaks away from superheat state.
According to step 312, keyboard controller 100 after receiving the confirmation the payment received signal, the temperature value T that will be received by temperature sensor 102
CWith temperature threshold value T
HCompare.As temperature value T
CBe greater than or equal to temperature threshold value T
HAlthough expression Basic Input or Output System (BIOS) 104 has received overheated notification signal S
OVT, but the failure of the cooling process of its execution, so the temperature of CPU (central processing unit) 12 still surpasses safe range.At this moment; according to step 314; keyboard controller 100 is carried out one and is forced the overheating protection action; this hard closing action can be the supply power supply of the system of shutting down computer; or by temperature sensor 102; the preset rotation speed value that the speed setting to of radiator fan 14 is larger, for example the maximum (top) speed value of radiator fan 14.As temperature value T
CBe lower than temperature threshold value T
H, system's cooling process success that expression Basic Input or Output System (BIOS) 104 is performed, so overheating protection flow process 30 finishes.
Note that in the alternate embodiment of overheating protection flow process 30, keyboard controller 100 also can not must C.T. value T
CWith temperature threshold value T
H, but forcing the overheating protection action through directly carrying out behind the Preset Time.
In brief; overheating protection flow process 30 with Preset Time as the foundation of when forcing the overheating protection action; can reduce CPU (central processing unit) 12 and operate on time under the condition of high temperature, and according to receiving or do not receive the confirmation the payment received signal, carry out respectively corresponding action.Therefore, keyboard controller 100 can be carried out suitable overheating protection and move when the performed cooling process failure of computer system crash or Basic Input or Output System (BIOS) 104, successfully avoids the element in the computer system to be subject to high-temperature damage.
Note that overheating protection flow process 30 is one embodiment of the invention, those skilled in the art are when doing according to this different variations and modification.Please refer to Fig. 4, Fig. 4 is the synoptic diagram of the embodiment of the invention one overheating protection flow process 40, and overheating protection flow process 40 also is used for keyboard controller 100, is not subject to the infringement of hyperthermia and superheating with protection calculation machine system.Overheating protection flow process 40 includes following steps:
Step 400: beginning.
Step 402: temperature sensor 102 is measured the temperature of this computer system, to obtain a temperature value T
C
Step 404: the temperature value T that keyboard controller 100 C.T. sensors 102 are measured
CWith a temperature threshold value T
HIf temperature value T
CBe greater than or equal to temperature threshold value T
H, carry out step 406; If temperature value T
CBe lower than temperature threshold value T
H, carry out step 418.
Step 406: keyboard controller 100 periodically transmits an overheated notification signal S
OVTTo Basic Input or Output System (BIOS) 104.
Step 408: Basic Input or Output System (BIOS) 104 is in receiving overheated notification signal S
OVTThe time, carry out system's cooling process.
Step 410: keyboard controller 100 is in transmitting overheated notification signal S
OVTAfter, detect whether receive the affirmation payment received signal that Basic Input or Output System (BIOS) 104 responds.If keyboard controller 100 is in transmitting overheated notification signal S
OVTAfter through a Preset Time, do not receive yet this affirmation payment received signal, carry out step 416; If received this affirmation payment received signal, carry out step 412.
Step 412: keyboard controller 100 obtains a tachometer value R of radiator fan 14
F
Step 414: keyboard controller 100 is tachometer value R relatively
FWith a preset rotation speed value R
MIf tachometer value R
FLess than preset rotation speed value R
M, carry out step 416; If tachometer value R
FEqualed preset rotation speed value R
M, carry out step 418.
Step 416: keyboard controller 100 is carried out one and is forced the overheating protection action.
Step 418: finish.
The overheating protection flow process 40 of Fig. 4 is similar to the overheating protection flow process 30 of Fig. 3, and identical part steps is not repeated herein.Difference is step 412 and step 414, and keyboard controller 100 receives the tachometer value R of radiator fan 14 by temperature sensor 102
F, and compare tachometer value R
FWith a preset rotation speed value R
M, preset rotation speed value R
MCan be the maximum (top) speed value of radiator fan 14, or the higher rotation speed value that sets up on their own of user.If tachometer value R
FLess than preset rotation speed value R
M, keyboard controller 100 is carried out and is forced the overheating protections action, is preset rotation speed value R by temperature sensor 102 with the speed setting of radiator fan 14
MIf the tachometer value R of radiator fan 14
FEqualed preset rotation speed value R
M, then overheating protection flow process 40 finishes.In addition; when keyboard controller 100 does not receive the confirmation the payment received signal; because cause this result former because system when the possibility of machine larger, in this case, the performed pressure overheating protections action of keyboard controller 100 is the supply power supply of the system that shuts down computer.
Please note; overheating protection flow process 30 and overheating protection flow process 40 are preferred embodiment of the present invention; wherein the performed pressure overheating protections action of keyboard controller 100 may be " be maximum (top) speed value with the speed setting of radiator fan " or " the supply power supply of the system that shuts down computer ", Analysis optionally on the implementation.Overheating protection flow process 20,30 and 40 is that the form with software program is implemented in the keyboard controller 100.
In sum, according to the embodiment of the invention, the keyboard controller of computer system can be achieved in the function that transmits overheated notification signal in the Preset Time, avoids the computer system hot soak condition.In Preset Time, do not receive the confirmation under the situation of payment received signal, directly the shut down computer supply power supply of system of keyboard controller, or with the adjustment of rotational speed of the radiator fan of CPU (central processing unit) to maximal value.Further, under the situation that receives the confirmation the payment received signal, keyboard controller is according to present system temperature value or according to the tachometer value of the radiator fan of CPU (central processing unit), judge whether successful execution of cooling process, thereby prevent more efficiently that than known technology the element of computer system is subject to high-temperature damage.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim scope of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (21)
1. method for excessive heating protection that is used for a computer system, this computer system includes a temperature sensor, a controller and an input-output system, and this method for excessive heating protection includes:
The temperature of this this computer system of temperature sensor measurement is to obtain a temperature value;
This controller is this temperature value and a temperature threshold value relatively;
When this temperature value is non-when being lower than this temperature threshold value, this controller cycle ground transmits an overheated notification signal to this input-output system;
This input-output system is carried out system's cooling process when receiving this overheated notification signal;
When this controller judged that this system's cooling process is not correctly carried out, this controller was carried out one and is forced the overheating protection action; And
When this controller has transmitted this overheated notification signal, through do not receive yet behind one first Preset Time that this input-output system returns one when confirming the payment received signal, this controller judges that this system's cooling process correctly carries out.
2. method for excessive heating protection according to claim 1, wherein this first Preset Time refers to that this controller transmits this overheated notification signal and reaches a preset times.
3. method for excessive heating protection according to claim 1 also includes:
This controller is confirmed to reach in one first Preset Time behind the payment received signal in receiving one, measured this temperature value and this temperature threshold value of this temperature sensor relatively, wherein this affirmation payment received signal is the signal that this input-output system returns when receiving this overheated notification signal; And
When reaching this first Preset Time, and this temperature value is non-when being lower than this temperature threshold value, and this controller judges that this system's cooling process correctly carries out.
4. method for excessive heating protection according to claim 1 also includes:
This controller behind one first Preset Time, is directly carried out this pressure overheating protection action after receiving an affirmation payment received signal, wherein this affirmation payment received signal is the signal that this input-output system returns when receiving this overheated notification signal.
5. method for excessive heating protection according to claim 1 also includes:
This controller is when receiving an affirmation payment received signal, a preset rotation speed value of a tachometer value of a radiator fan of a CPU (central processing unit) of this computer system and this radiator fan relatively, wherein this affirmation payment received signal is the signal that this input-output system returns when receiving this overheated notification signal; And
In this tachometer value during less than this preset rotation speed value, this controller judges that this system's cooling process correctly carries out.
6. method for excessive heating protection according to claim 1, wherein this pressure overheating protection action is the supply power supply of closing this computer system.
7. method for excessive heating protection according to claim 1, wherein this pressure overheating protection action is that the speed setting with a radiator fan of a CPU (central processing unit) of this computer system is a preset rotation speed value.
8. method for excessive heating protection according to claim 7, wherein this preset rotation speed value maximum (top) speed value that is this radiator fan.
9. method for excessive heating protection according to claim 1, wherein this controller is a keyboard controller.
10. method for excessive heating protection according to claim 1, wherein this input-output system is a Basic Input or Output System (BIOS).
11. an overheat protecting system that is used for a computing machine includes:
One temperature sensor is in order to measure the temperature of this computing machine, to obtain a temperature value;
One input-output system is used for carrying out system's cooling process according to an overheated notification signal; And
One controller is coupled to this temperature sensor and this input-output system, is used for judging whether this system's cooling process is correctly carried out, and when this system's cooling process is not correctly carried out, carries out one and force the overheating protection action,
Wherein this controller does not receive yet after through one first Preset Time that this input-output system returns when confirming the payment received signal corresponding to one of this overheated notification signal, judges that this system's cooling process correctly carries out.
12. overheat protecting system according to claim 11; wherein this controller also is used for this temperature value and a temperature threshold value are compared; and when being lower than this temperature threshold value in this temperature value is non-, periodically transmit this overheated notification signal to this input-output system.
13. overheat protecting system according to claim 11, wherein this first Preset Time refers to that this controller transmits this overheated notification signal and reaches a preset times.
14. overheat protecting system according to claim 11; wherein this controller also is used for confirming to reach in one first Preset Time behind the payment received signal in receiving one; measured this temperature value and this temperature threshold value of this temperature sensor relatively; and when being lower than this temperature threshold value in this temperature value is non-; judge the correctly execution of this system's cooling process, wherein this affirmation payment received signal is the signal that this input-output system returns when receiving this overheated notification signal.
15. overheat protecting system according to claim 11; wherein this controller also is used for after receiving an affirmation payment received signal; behind one first Preset Time; directly carry out this and force the overheating protection action, wherein this affirmation payment received signal is the signal that this input-output system returns when receiving this overheated notification signal.
16. overheat protecting system according to claim 11; wherein this controller is used for when receiving an affirmation payment received signal; relatively a tachometer value of a radiator fan of a CPU (central processing unit) of this computing machine and a preset rotation speed value; and in this tachometer value during less than this preset rotation speed value; judge the correctly execution of this system's cooling process, wherein this affirmation payment received signal is the signal that this input-output system returns when receiving this overheated notification signal.
17. overheat protecting system according to claim 11, wherein this overheating protection action is the supply power supply of closing this computing machine.
18. overheat protecting system according to claim 11, wherein this overheating protection action is that the speed setting with a radiator fan of a CPU (central processing unit) of this computing machine is a preset rotation speed value.
19. overheat protecting system according to claim 18, wherein this preset rotation speed value maximum (top) speed value that is this radiator fan.
20. overheat protecting system according to claim 11, wherein this controller is a keyboard controller.
21. overheat protecting system according to claim 11, wherein this input-output system is a Basic Input or Output System (BIOS).
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|---|---|---|---|
| CN 200910210571 CN102053679B (en) | 2009-11-10 | 2009-11-10 | Overheating protection method for computer system and related overheating protection system |
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|---|---|---|---|
| CN 200910210571 CN102053679B (en) | 2009-11-10 | 2009-11-10 | Overheating protection method for computer system and related overheating protection system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225911B1 (en) * | 1998-07-30 | 2001-05-01 | Canon Kabushiki Kaisha | Information processing apparatus and its control method for cooling inside apparatus with fan |
| CN101466245A (en) * | 2007-12-19 | 2009-06-24 | 英业达股份有限公司 | Intelligent radiator of fan and method for controlling fan revolution speed |
-
2009
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225911B1 (en) * | 1998-07-30 | 2001-05-01 | Canon Kabushiki Kaisha | Information processing apparatus and its control method for cooling inside apparatus with fan |
| CN101466245A (en) * | 2007-12-19 | 2009-06-24 | 英业达股份有限公司 | Intelligent radiator of fan and method for controlling fan revolution speed |
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