CN100505463C - Overheat protecting system of CPU and its method - Google Patents
Overheat protecting system of CPU and its method Download PDFInfo
- Publication number
- CN100505463C CN100505463C CNB2005101055939A CN200510105593A CN100505463C CN 100505463 C CN100505463 C CN 100505463C CN B2005101055939 A CNB2005101055939 A CN B2005101055939A CN 200510105593 A CN200510105593 A CN 200510105593A CN 100505463 C CN100505463 C CN 100505463C
- Authority
- CN
- China
- Prior art keywords
- temperature
- central processing
- processing unit
- power supply
- threshold value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention is concerned with a kind of over-heat protect system and method of central processing unit (CPU). When the temperature of a CPU is too high, it will close an electrical source supply device to prevent the CPU from burning for over-heat. The system relates to a detecting module of temperature to detect temperature of CPU with an inner scheduled temperature critical value, a monitor module to send a signal to close electrical source when the temperature of CPU reaches the scheduled temperature, a module for closing electrical source to receive the signal and close the electrical source supply device. When the temperature of CPU is over the scheduled temperature and the electrical source supply device hasn't been closed, the CPU will send an urgency signal to directly close the electrical source supply device without passing through the monitor module. It detects the high work temperature of CPU at normal and informal conditions to cut electrical source in time.
Description
Technical field
The present invention relates to a kind of protection system and method thereof, particularly relate to a kind of overheat protecting system and method thereof of central processing unit.
Background technology
In general, the operating frequency of central processing unit (CPU) is high more, and the heat energy of its generation is many more.If only rely on the mode of natural heat dissipation, can't in time reduce the temperature of central processing unit.Even install fan additional, also might be because the fault of fan cause the heat of central processing unit to distribute smoothly, cause central processing unit to damage or shorten the life-span because of overheated.
When central processing unit (CPU) is overheated; existing way is that controller cuts out power supply unit after receiving order again by central processing unit (CPU) or temperature sensor notification controller, previous typical protection mechanism that Here it is; see also Fig. 1, be the prior art system Organization Chart.
During the computer running, temperature sensor 140 can go to detect the temperature of central processing unit 110, when the temperature of finding central processing unit 110 surpass one can load temperature value the time, just send a signal to controller 120, with powered-down supply 130 by central processing unit 110.
Yet, run into controller 120 when the machine situation, just can't powered-down supply 130; central processing unit thereby always be in high hot state, thus cause central processing unit to burn or device case Yin Gaowen and melt the real card of cannot say for sure of fail safe; therefore, it is very urgent to research and develop a protection mechanism.
Summary of the invention
Technical problem underlying to be solved by this invention is to provide a kind of overheat protecting system and method thereof of central processing unit; in order to continue too high when the temperature of finding central processing unit; and in the time of can't coming the powered-down supply by controller; can utilize a protection mechanism with powered-down supply immediately, guarantee that CPU works under the preference temperature.
For reaching above-mentioned purpose, the overheat protecting system of a kind of central processing unit provided by the present invention, when the temperature of central processing unit was too high, the emergency cut-off power supply unit burnt because of overheated to avoid central processing unit, and this overheat protecting system includes:
One temperature detecting module, in order to the temperature of detection central processing unit, and the pre-set temperature threshold value in its inside;
When one control module, the temperature that detects central processing unit when temperature detecting module had reached default temperature threshold value, control module was promptly sent a powered-down signal;
One powered-down module receives the powered-down signal that control module is sent, with the powered-down supply; And
One power supply judge module is in order to judge the on off state of this power supply unit;
When the temperature of central processing unit surpasses temperature threshold value, and power supply unit is not when closing yet, just promptly sends a urgency signal with powered-down supply immediately by central processing unit.
When the temperature of central processing unit is too high, except by the control module powered-down, another promptly mechanism can be arranged also, with when control module can't be operated, but still powered-down to protect central processing unit.
On the other hand; the method for excessive heating protection of central processing unit of the present invention comprises; when the temperature of central processing unit arrives temperature threshold value; by controller powered-down supply; when the temperature of central processing unit surpasses temperature threshold value; and power supply unit just sends the direct powered-down supply of a urgency signal by central processing unit, and need not pass through controller still during continuous service.
The present invention can guarantee under the situation of and non-normal working normal at controller, all can detect the elevated operating temperature of crossing of central processing unit, and in time cut off the electricity supply, and avoids CPU to burn because of overheated, guarantees safety.
Below in execution mode, be described in detail detailed features of the present invention and advantage, its content is enough to make any those of ordinary skill in the art to understand technology contents of the present invention and implements according to this, and according to content, claim and the accompanying drawing that this specification provided, any those of ordinary skill in the art can understand purpose and the advantage that the present invention is correlated with easily.
Description of drawings
Fig. 1 is the calcspar of prior art;
Fig. 2 is the overheat protecting system calcspar of central processing unit of the present invention; And
Fig. 3 is the method for excessive heating protection flow chart of central processing unit of the present invention.
Wherein, Reference numeral:
110 central processing units, 120 controllers
130 power supply units, 140 temperature sensors
210 central processing units, 220 temperature detecting module
222 setup units, 230 power supply judge modules
240 powered-down modules, 250 power supply units
260 control modules, 270 adjusting modules
Embodiment
For making purpose of the present invention, structure, feature and function thereof there are further understanding, now cooperate embodiment to be described in detail as follows.Above about content of the present invention explanation and the explanation of following execution mode in order to demonstration with explain principle of the present invention, and provide patent claim of the present invention further explained.
See also Fig. 2; overheat protecting system calcspar for central processing unit of the present invention; in order to protection central processing unit 210; avoid damaging because of overheated; when the temperature of finding central processing unit 210 continues to raise and power supply unit 250 still during continuous service; central processing unit 210 can send out an emergency signal with powered-down supply 250 immediately, and this system includes a temperature detecting module 220, a control module 260 and a powered-down module 240.
Powered-down module 240 receives the powered-down signal that control module 260 is sent, and according to this signal at stop power supply unit 250.
Yet when the temperature of central processing unit 210 has surpassed temperature threshold value, and power supply unit 250 may be represented control module 260 damage when not closing yet.At this moment, just send out an emergency signal with powered-down supply 250 immediately, and need not pass through control module 260 by central processing unit 210.
Wherein, can be in more than 222 settings one of the setup units in the middle of the temperature detecting module 220 temperature value of adjusting frequency, this temperature value of adjusting frequency is less than temperature threshold value.When the temperature that detects central processing unit 210 when temperature detecting module 220 has reached and adjusted frequency temperature value, can reduce the operating frequency of central processing units 210 earlier by adjusting module 270, to fall its temperature slightly.
In addition, this protection system also can include a power supply judge module 230, is connected with power supply unit 250 and temperature detecting module 220, in order to detecting the on off state of power supply unit 250, and the result is informed temperature detecting module 220.
The temperature of finding central processing units 210 when temperature detecting module 220 has reached temperature threshold value, and power supply judge module 230 is when finding that power supply unit 250 is not closed yet, and temperature detecting module 220 can be delivered a letter breath to activate control module 260.In addition, when the temperature of finding central processing unit 210 has reached when adjusting frequency temperature value, temperature detecting module 220 also can be delivered a letter breath to activate adjusting module 270.
When central processing unit 210 (CPU) reaches certain temperature or when temperature detecting module 220 reaches a certain temperature sensor; except passing through control module 260 with powered-down supply 250; more increase the mechanism of direct positive closing power supply unit 250; to avoid when control module 260 faults; because of making central processing unit 210 burn by powered-down supply 250; after increasing this positive closing mechanism; thus just really protection system when exceeding the system operation temperature; also system power supply can be closed, with the danger of avoiding burning.
See also Fig. 3, be the method for excessive heating protection flow chart of central processing unit of the present invention.At first, detect the temperature (step 310) of central processing unit 210, whether the temperature of judging central processing unit 210 reaches temperature threshold value (step 320), if reached temperature threshold value, then by controller powered-down supply 250 (steps 330), afterwards, continue to judge whether power supply unit 250 closes (step 340) really, if close, expression central processing unit 210 (step 360) out of service, if do not close, then represent the controller possible breakdown.Sent out an emergency signal by central processing unit this moment, directly powered-down supply (step 350).
In the method,, can reduce the operating frequency of central processing unit 210, to attempt reducing the temperature of central processing unit 210 in advance when the temperature of central processing unit 210 at first reaches when adjusting frequency temperature value.This temperature value of adjusting frequency can be set at less than temperature threshold value, temperature value and the temperature threshold value of adjusting frequency all the people for preestablishing.
Though the present invention with aforesaid embodiment openly as above, it is not in order to limit the present invention.Without departing from the spirit and scope of the present invention, change of being made and modification all belong to scope of patent protection of the present invention.See also appending claims about the protection range that the present invention defined.
Claims (8)
1, a kind of overheat protecting system of central processing unit, when the temperature of a central processing unit was too high, emergency cut-off one power supply unit burnt to protect this central processing unit to avoid overheated, and this system includes:
One temperature detecting module, in order to detecting the temperature of this central processing unit, and its internal preset has a temperature threshold value;
One control module is when the temperature of this central processing unit reaches this temperature threshold value, in order to send a powered-down signal;
One powered-down module receives this powered-down signal, to close this power supply unit; And
One power supply judge module is in order to judge the on off state of this power supply unit;
It is characterized in that when the temperature of this central processing unit surpasses this temperature threshold value, and this power supply unit sends a urgency signal by this central processing unit and directly closes this power supply unit, and need not pass through this control module when not closing yet.
2, the overheat protecting system of central processing unit as claimed in claim 1 is characterized in that, this temperature detecting module also includes a setup unit, sets this temperature threshold value and a temperature value of adjusting frequency for the user.
3, the overheat protecting system of central processing unit as claimed in claim 2 is characterized in that, also includes an adjusting module, when the temperature of this central processing unit reaches this and adjusts frequency temperature value, in order to reduce the operating frequency of this central processing unit.
4, the overheat protecting system of central processing unit as claimed in claim 3 is characterized in that, this temperature value of adjusting frequency is less than this temperature threshold value.
5, a kind of method for excessive heating protection of central processing unit; when the temperature of a central processing unit reaches a temperature threshold value; close a power supply unit by a controller; it is characterized in that; when the temperature of this central processing unit surpasses this temperature threshold value; and this power supply unit also directly sends a urgency signal by this central processing unit and directly closes this power supply unit still during continuous service.
6, the method for excessive heating protection of central processing unit as claimed in claim 5 is characterized in that, also includes a temperature when this central processing unit and reaches when adjusting frequency temperature value, reduces the step of the operating frequency of this central processing unit.
7, the method for excessive heating protection of central processing unit as claimed in claim 6 is characterized in that, this temperature value of adjusting frequency is less than this temperature threshold value.
8, the method for excessive heating protection of central processing unit as claimed in claim 6 is characterized in that, this temperature threshold value and this are adjusted frequency temperature value for preestablishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101055939A CN100505463C (en) | 2005-09-28 | 2005-09-28 | Overheat protecting system of CPU and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101055939A CN100505463C (en) | 2005-09-28 | 2005-09-28 | Overheat protecting system of CPU and its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1941532A CN1941532A (en) | 2007-04-04 |
| CN100505463C true CN100505463C (en) | 2009-06-24 |
Family
ID=37959413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101055939A Expired - Fee Related CN100505463C (en) | 2005-09-28 | 2005-09-28 | Overheat protecting system of CPU and its method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100505463C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7782586B2 (en) * | 2007-08-22 | 2010-08-24 | Symbol Technologies, Inc. | Thermal management within mobile RFID readers through the application of temperature governed variable non-emissive intervals |
| CN101470507B (en) | 2007-12-28 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Power supply control circuit |
| CN102200825B (en) * | 2010-03-22 | 2013-12-04 | 联想(北京)有限公司 | CPU power supply control method and device, and computer |
| CN103840693B (en) * | 2012-11-23 | 2017-09-12 | 通用汽车环球科技运作有限责任公司 | For the method and system for the inverter for controlling vehicle |
| CN105302265A (en) * | 2015-11-12 | 2016-02-03 | 浪潮(北京)电子信息产业有限公司 | Anti-overtemperature protection device of electronic equipment and electronic equipment |
| CN114089823B (en) * | 2021-10-27 | 2024-03-12 | 新华三信息安全技术有限公司 | Overheat power-down protection system and method |
| CN114268077B (en) * | 2021-11-26 | 2022-10-11 | 广州芯德通信科技股份有限公司 | OLT equipment temperature overheating protection circuit and method |
-
2005
- 2005-09-28 CN CNB2005101055939A patent/CN100505463C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1941532A (en) | 2007-04-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100505463C (en) | Overheat protecting system of CPU and its method | |
| CN105357780B (en) | A kind of PTC electric heater dry combustion method guard method and device and household electrical appliance | |
| WO2019100774A1 (en) | Electric heater protection method and device, and air conditioner | |
| CN103605386A (en) | Electric appliance control cabinet capable of automatic heat dissipation | |
| CN104104059A (en) | Microwave oven, safety protection circuit and safety protection control method thereof | |
| KR100918454B1 (en) | Protection circuit for regulator temperature of heating coil | |
| TW200625065A (en) | Chip overheat protection device and method thereof | |
| CN107962280A (en) | Electric welding machine thermel protection device | |
| CN204856241U (en) | Soft start cabinet controlling means | |
| CN2845266Y (en) | Electric power source device | |
| US10076000B2 (en) | Control of cooking appliance in response to control-compartment, cooling fan failure | |
| CN105755781A (en) | Drying mechanism and washing machine | |
| CN1120648A (en) | Safety device for electronic range | |
| CN108808755A (en) | The overheat protector system of charging unit | |
| CN204012659U (en) | Microwave oven and safety protective circuit thereof | |
| CN201964573U (en) | Air conditioner controlling device | |
| CN102045903A (en) | Method for protecting induction heating coil by utilizing water flow relay | |
| CN2862142Y (en) | Electric power regulating controller | |
| CN101986571A (en) | High-power transmitter over-temperature protection method | |
| KR101364123B1 (en) | Apparatus for preventing overheating of cooking appliance | |
| WO2010024518A3 (en) | Device for disconnecting power fuse when control rectifier element of heating apparatus breaks down | |
| KR200368233Y1 (en) | Power saving style multi tap including do voice alarm device | |
| CN104948374B (en) | A kind of control method and system, heater circuit of control heater circuit | |
| CN1298089C (en) | Circuit protector and method for over current and over heat protection thereof | |
| CN203140948U (en) | Energy-saving over-heating protection device for electric welding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181122 Address after: Nianzhuang Town Industrial Park, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: Xuzhou giant force tool manufacturing Co., Ltd. Address before: Taipei City, Taiwan, China Patentee before: Inventec Corporation |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20180928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |