CN203362568U - CPU cooling device - Google Patents
CPU cooling device Download PDFInfo
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- CN203362568U CN203362568U CN 201320374539 CN201320374539U CN203362568U CN 203362568 U CN203362568 U CN 203362568U CN 201320374539 CN201320374539 CN 201320374539 CN 201320374539 U CN201320374539 U CN 201320374539U CN 203362568 U CN203362568 U CN 203362568U
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- cpu
- fan
- temperature
- rotary speed
- speed controller
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Abstract
The utility model provides a CPU cooling device. A fan rotation speed controller is used for controlling the rotation speed of a fan according to the power value of electric energy supplied by a power converter to a CPU, therefore, the fan can be controlled by the fan rotation speed controller, and the rotation speed of the fan can be regulated so as to cool the CPU; heat generated by the CPU is determined by the power value of the electric energy supplied to the CPU, so that the rotation speed of the fan is regulated according to the power value to cool the CPU. According to the CPU cooling device, real-time regulation of the rotation speed of the fan is realized, and the technical problem that the situation that a CPU cooling device in the prior art can not regulate the rotation speed of the fan in time when the heat generated by the CPU changes causes hysteresis quality to regulation of the rotation speed of the fan is solved.
Description
Technical field
The utility model relates to computer technology, relates in particular to a kind of CPU sink.
Background technique
Central processing unit (CPU) (Central Processing Unit, CPU) is arithmetic core and the control core of a computer.The too high life-span that not only can affect CPU of cpu temperature, and surpass threshold temperature and can cause that mainboard protects outage automatically, make to carry out the loss of data of computing.Therefore, CPU is dispelled the heat and is very important.
CPU sink of the prior art, by the ambient temperature of detecting CPU and the ambient temperature that the mainboard of CPU is installed, regulate the rotating speed of fan according to the ambient temperature of the CPU detected with the ambient temperature of the mainboard that CPU is installed, and then by fan, CPU is dispelled the heat to realize CPU is carried out to temperature regulation.But CPU sink of the prior art, after needing heat that CPU sends to cause the variation of ambient temperature of the ambient temperature of CPU or mainboard, could regulate the rotating speed of fan, therefore, regulate in time the rotating speed of fan when the heat that CPU sink of the prior art can not send at CPU changes, there is hysteresis quality in the rotational speed regulation of fan.
The model utility content
The utility model provides a kind of CPU sink, for solving when heat that the CPU sink can not send at CPU changes, regulates in time the rotating speed of fan, causes the rotational speed regulation of fan to have the technical problem of hysteresis quality.
An aspect of the present utility model is to provide a kind of CPU sink, comprising:
For the performance number of the electric energy that provides to CPU according to supply convertor, the fan rotary speed controller that rotation speed of the fan is controlled, described fan rotary speed controller with for described CPU, provide the supply convertor of electric energy to be connected;
For adjusting rotary speed under the control of described fan rotary speed controller, with the fan to described CPU heat radiation, described fan is connected with described fan rotary speed controller.
CPU sink as above, described supply convertor is DC converter.
CPU sink as above, described CPU sink also comprises:
Temperature inductor for the ambient temperature of measuring the temperature of described CPU and mainboard; Described CPU is arranged on described mainboard; Described temperature inductor is connected with described fan rotary speed controller;
Described fan rotary speed controller, specifically for the temperature of the described CPU that measures according to described temperature inductor and the ambient temperature of described mainboard, and the performance number of the described electric energy provided to described CPU according to described supply convertor, the rotating speed of described fan is controlled.
CPU sink as above, described fan rotary speed controller comprises:
For magnitude of voltage and the current value of the described electric energy that provides to described CPU according to described supply convertor, calculate the computing unit of the performance number that obtains the described electric energy that described supply convertor provides to described CPU;
For when the temperature of described CPU, surpassing first threshold, or the ambient temperature of described mainboard surpasses Second Threshold, or the performance number of the described electric energy that provides to described CPU of described supply convertor surpasses the 3rd threshold value, improves rotating speed; And when the temperature of described CPU lower than described first threshold, and the ambient temperature of described mainboard is lower than described Second Threshold, and the performance number of the described electric energy that described supply convertor provides to described CPU, lower than described the 3rd threshold value, is fallen slow-revving control unit; Described control unit is connected with described computing unit.
CPU sink as above, described temperature inductor comprises:
For measuring the first measuring unit of temperature of described CPU, be positioned at the outer surface of described CPU;
For measuring second measuring unit of ambient temperature of described mainboard, be positioned at the top of described mainboard.
CPU sink as above, described the first measuring unit is temperature-sensitive triode or thermal diode.
CPU sink as above, described the second measuring unit is temperature-sensitive triode or thermal diode.
CPU sink as above, described fan rotary speed controller is connected with described supply convertor by intergrated circuit I2C bus.
CPU sink as above, described fan rotary speed controller comprises the micro-control unit chip.
The CPU sink that the utility model embodiment provides, the performance number of the electric energy provided to CPU according to supply convertor by fan rotary speed controller, rotating speed to fan is controlled, make fan under the control of fan rotary speed controller, regulate the rotating speed of fan, CPU is dispelled the heat, because the heat sent of CPU is that performance number by the electric energy provided to CPU determines, therefore, regulate the rotating speed of fan according to this performance number, CPU is dispelled the heat, realized that the CPU sink regulates the rotating speed of fan in real time, solved when heat that CPU sink of the prior art can not send at CPU changes and regulated in time the rotating speed of fan, cause the rotational speed regulation of fan to have the technical problem of hysteresis quality.
The accompanying drawing explanation
The structural representation of the CPU sink that Figure 1A provides for the utility model one embodiment;
The circuit diagram that Figure 1B is a kind of CPU sink;
The structural representation of the CPU sink that Fig. 2 provides for another embodiment of the utility model;
The structural representation of the CPU sink that Fig. 3 provides for the another embodiment of the utility model.
Embodiment
The structural representation of the CPU sink that Figure 1A provides for the utility model one embodiment, as shown in Figure 1, the CPU sink comprises: fan rotary speed controller 11 and fan 12.
Fan rotary speed controller 11, be connected with the supply convertor of electric energy is provided for CPU, for the performance number of the described electric energy that provides to described CPU according to described supply convertor, the rotating speed of fan controlled.
Optionally, as the circuit diagram that Figure 1B is a kind of CPU sink, as shown in Figure 1B, fan rotary speed controller 11 is connected with the supply convertor 13 that electric energy is provided for CPU by intergrated circuit (Inter-Integrated Circuit, I2C) bus.Fan rotary speed controller 11 is the micro-control unit chip.The performance number of the electric energy that fan rotary speed controller 11 can provide to CPU supply convertor 13 is in advance analyzed, and the span of performance number is divided into to each interval, each interval corresponding different rotating speed.The interval at the performance number place of the electric energy that fan rotary speed controller 11 inquiry supply convertors 13 provide to CPU, and then inquire the rotating speed of this interval correspondence, according to the rotating speed inquired, the rotating speed of fan 12 is controlled.Wherein, supply convertor 13 is DC converter, for to CPU, providing electric energy.
It should be noted that, being connected between fan rotary speed controller 11 and supply convertor 13 can be direct or indirect connection, in the present embodiment, this is not construed as limiting.
Optionally, the pulse-width signal that fan 12 is controlled according to the rotating speed for to fan of fan rotary speed controller 11 outputs, the rotating speed of adjusting fan, to dispel the heat to described CPU.
In the present embodiment, the performance number of the electric energy provided to CPU according to supply convertor by fan rotary speed controller, rotating speed to fan is controlled, make fan under the control of fan rotary speed controller, regulate the rotating speed of fan, CPU is dispelled the heat, because the heat sent of CPU is that performance number by the electric energy provided to CPU determines, therefore, regulate the rotating speed of fan according to this performance number, CPU is dispelled the heat, realized that the CPU sink regulates the rotating speed of fan in real time, solved the rotating speed of regulating in time fan when the heat that in the prior art, the CPU sink can not send at CPU changes, cause the rotational speed regulation of fan to have the technical problem of hysteresis quality.
The structural representation of the CPU sink that Fig. 2 provides for another embodiment of the utility model, as shown in Figure 2, the CPU sink comprises: fan rotary speed controller 11 and fan 12.Wherein, fan 12, be connected with fan rotary speed controller 11, and under the control at described fan rotary speed controller 11, adjusting rotary speed, to dispel the heat to CPU.On a upper embodiment's basis, the CPU sink in the present embodiment also comprises:
Correspondingly, fan rotary speed controller 11, specifically for the temperature of the described CPU that measures according to described temperature inductor 23 and the ambient temperature of described mainboard, and the performance number of the described electric energy provided to described CPU according to supply convertor, rotation speed of the fan is controlled.
Optionally, when the temperature of CPU surpasses first threshold, or the ambient temperature of mainboard surpasses Second Threshold, or the performance number of the electric energy that provides to CPU of supply convertor surpasses the 3rd threshold value, and fan rotary speed controller 11 improves rotation speeds of the fan; When the temperature of CPU, lower than first threshold, and the ambient temperature of mainboard is lower than Second Threshold, and the performance number of the electric energy that provides to CPU of supply convertor is lower than the 3rd threshold value, and fan rotary speed controller 11 reduces rotation speeds of the fan.By the temperature of the described CPU that measures according to described temperature inductor 23 and the ambient temperature of described mainboard, and the performance number of the described electric energy provided to described CPU according to supply convertor, rotating speed to fan is controlled, so that fan adjusting rotary speed, thereby, guaranteeing that the CPU sink regulates on the basis of rotating speed of fan in time, further improved the accuracy of the rotational speed regulation of fan.
Further, described fan rotary speed controller 11 comprises: computing unit 211 and control unit 212.
In the present embodiment, the performance number of the electric energy provided to CPU according to supply convertor by fan rotary speed controller, rotating speed to fan is controlled, make fan under the control of fan rotary speed controller, regulate the rotating speed of fan, CPU is dispelled the heat, because the heat sent of CPU is that performance number by the electric energy provided to CPU determines, therefore, regulate the rotating speed of fan according to this performance number, CPU is dispelled the heat, realized that the CPU sink regulates the rotating speed of fan in real time, solved the rotating speed of regulating in time fan when the heat that in the prior art, the CPU sink can not send at CPU changes, cause the rotational speed regulation of fan to have the technical problem of hysteresis quality.
The structural representation of the CPU sink that Fig. 3 provides for the another embodiment of the utility model, as shown in Figure 3, the CPU sink comprises the as above described fan rotary speed controller 11 of an embodiment, fan 12 and temperature inductor 23, wherein, fan rotary speed controller 11 comprises the as above described computing unit 211 of an embodiment and control unit 212, on a upper embodiment's basis, temperature inductor 23 further comprises: the first measuring unit 331 and the second measuring unit 332.
The first measuring unit 331, be positioned at the outer surface of CPU, for measuring the temperature of described CPU.
Optionally, the first measuring unit 331 is temperature-sensitive triode or thermal diode.
The second measuring unit 332, be positioned at the top of mainboard, for measuring the ambient temperature of described mainboard.
Optionally, the second measuring unit 332 is temperature-sensitive triode or thermal diode.
In the present embodiment, the performance number of the electric energy provided to CPU according to supply convertor by fan rotary speed controller, rotating speed to fan is controlled, make fan under the control of fan rotary speed controller, adjusting rotary speed, CPU is dispelled the heat, because the heat sent of CPU is that performance number by the electric energy provided to CPU determines, therefore, regulate the rotating speed of fan according to this performance number, CPU is dispelled the heat, realized that the CPU sink regulates the rotating speed of fan in real time, solved the rotating speed of regulating in time fan when the heat that in the prior art, the CPU sink can not send at CPU changes, cause the rotational speed regulation of fan to have the technical problem of hysteresis quality.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to aforementioned each embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: its technological scheme that still can put down in writing aforementioned each embodiment is modified, or some or all of technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment's technological scheme of the utility model.
Claims (9)
1. a CPU sink, is characterized in that, comprising:
For the performance number of the electric energy that provides to CPU according to supply convertor, the fan rotary speed controller that rotation speed of the fan is controlled, described fan rotary speed controller with for described CPU, provide the supply convertor of electric energy to be connected;
For adjusting rotary speed under the control of described fan rotary speed controller, with the fan to described CPU heat radiation, described fan is connected with described fan rotary speed controller.
2. CPU sink according to claim 1, is characterized in that, described supply convertor is DC converter.
3. CPU sink according to claim 1, is characterized in that, described CPU sink also comprises:
Temperature inductor for the ambient temperature of measuring the temperature of described CPU and mainboard; Described CPU is arranged on described mainboard; Described temperature inductor is connected with described fan rotary speed controller;
Described fan rotary speed controller, specifically for the temperature of the described CPU that measures according to described temperature inductor and the ambient temperature of described mainboard, and the performance number of the described electric energy provided to described CPU according to described supply convertor, the rotating speed of described fan is controlled.
4. CPU sink according to claim 3, is characterized in that, described fan rotary speed controller comprises:
For magnitude of voltage and the current value of the described electric energy that provides to described CPU according to described supply convertor, calculate the computing unit of the performance number that obtains the described electric energy that described supply convertor provides to described CPU;
For when the temperature of described CPU, surpassing first threshold, or the ambient temperature of described mainboard surpasses Second Threshold, or the performance number of the described electric energy that provides to described CPU of described supply convertor surpasses the 3rd threshold value, improves rotating speed; And when the temperature of described CPU lower than described first threshold, and the ambient temperature of described mainboard is lower than described Second Threshold, and the performance number of the described electric energy that described supply convertor provides to described CPU, lower than described the 3rd threshold value, is fallen slow-revving control unit; Described control unit is connected with described computing unit.
5. CPU sink according to claim 3, is characterized in that, described temperature inductor comprises:
For measuring the first measuring unit of temperature of described CPU, be positioned at the outer surface of described CPU;
For measuring second measuring unit of ambient temperature of described mainboard, be positioned at the top of described mainboard.
6. CPU sink according to claim 5, is characterized in that, described the first measuring unit is temperature-sensitive triode or thermal diode.
7. CPU sink according to claim 5, is characterized in that, described the second measuring unit is temperature-sensitive triode or thermal diode.
8. according to the described CPU sink of claim 1-7 any one, it is characterized in that, described fan rotary speed controller is connected with described supply convertor by intergrated circuit I2C bus.
9. according to the described CPU sink of claim 1-7 any one, it is characterized in that, described fan rotary speed controller comprises the micro-control unit chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320374539 CN203362568U (en) | 2013-06-27 | 2013-06-27 | CPU cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320374539 CN203362568U (en) | 2013-06-27 | 2013-06-27 | CPU cooling device |
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| Publication Number | Publication Date |
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| CN203362568U true CN203362568U (en) | 2013-12-25 |
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| CN 201320374539 Expired - Lifetime CN203362568U (en) | 2013-06-27 | 2013-06-27 | CPU cooling device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460911A (en) * | 2014-12-22 | 2015-03-25 | 浪潮电子信息产业股份有限公司 | Heat dissipation control method, device and system |
| WO2018033075A1 (en) * | 2016-08-18 | 2018-02-22 | Huawei Technologies Co., Ltd. | Proactive fan speed adjustment |
| CN110413083A (en) * | 2019-07-26 | 2019-11-05 | 苏州蜗牛数字科技股份有限公司 | A kind of method, system and the mobile terminal of fan intelligent control |
| CN110873069A (en) * | 2018-08-31 | 2020-03-10 | 阿里巴巴集团控股有限公司 | Method and device for controlling fan parameters |
| CN111045503A (en) * | 2019-12-27 | 2020-04-21 | 威创集团股份有限公司 | Video splicing wall processor control device |
-
2013
- 2013-06-27 CN CN 201320374539 patent/CN203362568U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460911A (en) * | 2014-12-22 | 2015-03-25 | 浪潮电子信息产业股份有限公司 | Heat dissipation control method, device and system |
| WO2018033075A1 (en) * | 2016-08-18 | 2018-02-22 | Huawei Technologies Co., Ltd. | Proactive fan speed adjustment |
| CN110873069A (en) * | 2018-08-31 | 2020-03-10 | 阿里巴巴集团控股有限公司 | Method and device for controlling fan parameters |
| CN110873069B (en) * | 2018-08-31 | 2021-10-15 | 阿里巴巴集团控股有限公司 | Method and device for controlling fan parameters |
| CN110413083A (en) * | 2019-07-26 | 2019-11-05 | 苏州蜗牛数字科技股份有限公司 | A kind of method, system and the mobile terminal of fan intelligent control |
| CN111045503A (en) * | 2019-12-27 | 2020-04-21 | 威创集团股份有限公司 | Video splicing wall processor control device |
| WO2021129884A1 (en) * | 2019-12-27 | 2021-07-01 | 威创集团股份有限公司 | Video splicing wall processor control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100095 Building 2, Longxin Industrial Park, Zhongguancun environmental protection technology demonstration park, Haidian District, Beijing Patentee after: Loongson Zhongke Technology Co.,Ltd. Address before: 100190 No. 10 South Road, Zhongguancun Academy of Sciences, Haidian District, Beijing Patentee before: LOONGSON TECHNOLOGY Corp.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
|
| CX01 | Expiry of patent term |