CN101096956A - Fan control device with thermoelectric effect control circuit - Google Patents
Fan control device with thermoelectric effect control circuit Download PDFInfo
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- CN101096956A CN101096956A CNA200610036260XA CN200610036260A CN101096956A CN 101096956 A CN101096956 A CN 101096956A CN A200610036260X A CNA200610036260X A CN A200610036260XA CN 200610036260 A CN200610036260 A CN 200610036260A CN 101096956 A CN101096956 A CN 101096956A
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Abstract
The invention discloses a fan controlled device with pyroelectric effect controlled circuit, which is characterized by the following: arranging a thermoelectric switching generation machine on central processing unit of electronic installation; generating a thermoelectric voltage signal according to operating temperature of the CPU; transmitting to a drive circuit through pyroelectric effect controlled circuit; driving the fan to rotate through the drive circuit; possessing a temperature sensor and a system temperature critical value unit.
Description
Ji Intraoperative field
The present invention is about a kind of fan control device, particularly about a kind of fan control device with thermoelectric effect control circuit.
Bei Jing Ji Intraoperative
Along with making rapid progress of computer science and technology, make that the electric power of energy that central processor among the electronic equipment now is required and consumption is more and more, the heat that it shed was also high, therefore must possess good sink, to reach better heat radiating effect.
Take a broad view of in the technology of traditional heat-dissipating, mostly utilize a fan and a radiating fin to be combined into a radiating module.And the radiating module of tradition utilize this radiating fin with central processor among the electronic equipment or thermal energy conduction that other integrated circuit component produced to radiator, rotate the air-flow that produced with thermal energy dissipation by this fan again, and reach heat sinking function.
As shown in Figure 1, it is the three-dimensional exploded view of the fan control device of present routine.In the fan control device 100 of tradition, it is combined with a radiating fin 102 on central processor 101 among the electronic equipment and the rotation by fan 103 reaches heat sinking function, and such fan control device 100 can't reach the radiating effect of the best usually.
Summary of the invention
The technical problem of institute of the present invention desire solution:
Though occurred having the fan control device of temperature transducer on the market, this kind fan control device is the temperature value that whether has reached systemic presupposition according to the operating temperature of this central processing unit (CPU), and the decision fan rotation with stop.
And this radiating mode that stops of walking around can cause the infringement of certain degree on the contrary to fan inside, and shortens the working life of fan.And whenever the operating temperature of central processing unit (CPU) reaches the temperature value of systemic presupposition when above, no matter the height of operating temperature at that time, fan promptly can continue to rotate at full speed.So, in fact only exceed one of systemic presupposition among a small circle during temperature value, because fan continues to rotate at full speed, so can waste meaningless electric power in the operating temperature of this central processing unit (CPU).When this relies on battery as the occasion of power source fully for mobile computer, totally unfavorable.
Edge this, the present invention's main purpose promptly provides a kind of fan control device with thermoelectric effect control circuit, utilizes the height situation of the operating temperature that a thermoelectric conversion power generation device time produced in operation according to this central processing unit (CPU) and the drive fan rotation.
Another object of the present invention promptly provides a kind of design that thermoelectric conversion power generation device is combined in the radiation system of a computer installation, so that this computer system is except original heat sinking function, even be combined with the driving electric power that electric power that thermoelectric conversion power generation device produced is used as radiation fan.
Another object of the present invention promptly provides a kind of electronic equipment heat dissipation technology that the system drive fan rotates opportunity that delays, the present invention utilizes a thermoelectric conversion power generation device to come drive fan to rotate, reach the effect of auxiliary heat dissipation, and can delay machine in the central processing unit (CPU) drive fan.
The technological means that the present invention deals with problems:
The technological means that the present invention is adopted by the problem that solves known techniques is to have on a thermoelectric conversion power generation device and this central processing unit (CPU) in contact on the central processor among the electronic equipment to dispose a fan.When this central processing unit (CPU) comes into operation, the height situation of the operating temperature that this thermoelectricity conversion power generation device can the time be produced in operation according to this central processing unit (CPU), and produce a thermoelectric voltage signal, and deliver to one drive circuit via a thermoelectric effect control circuit, rotate by this drive circuit drive fan again.This fan control device has more and has a circuit for controlling speed of fan, with the rotating speed of control fan.
The present invention's preferred embodiment, this fan control device with thermoelectric effect control circuit has more and has a temperature transducer and a system temperature threshold value unit, whether has reached default system temperature threshold value in order to the operating temperature of comparing this central processing unit (CPU).
The present invention contrasts the effect of prior art:
Compared to prior art, the present invention utilizes a thermoelectric conversion power generation device to come drive fan to rotate and reaches the effect of auxiliary heat dissipation, the present invention is outside original radiation system function of computer installation, still add electric power that thermoelectric conversion power generation device produced and be used as the driving electric power of radiation fan, so the present invention can provide extra fans drive electric power, and can delay machine in the central processing unit (CPU) drive fan, the fan control device that also effectively solves routine can be because of the fan shortcoming such as shorten in working life of stopping making fan of walking around, the thermal source that produced of this central processing unit (CPU) of effective recycling more, and this fan assembly is recyclable reusing and can not polluting also, makes the present invention have more commercial surcharge.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the fan control device of present routine;
Fig. 2 has the preferred embodiment three-dimensional exploded view of the fan control device of thermoelectric effect control circuit for the present invention;
Fig. 3 has the preferred embodiment functional block diagram of the fan control device of thermoelectric effect control circuit for the present invention;
Fig. 4 has the preferred embodiment circuit diagram of the fan control device of thermoelectric effect control circuit for the present invention.
Embodiment
The present invention is further detailed explanation below in conjunction with accompanying drawing.
At first consult shown in Figure 2ly, it has the preferred embodiment three-dimensional exploded view of the fan control device of thermoelectric effect control circuit for the present invention.This fan control device 100 with thermoelectric effect control circuit disposes the thermoelectric conversion power generation device 30 that a fan 2, a fan control device 3 and are contacted with this central processing unit (CPU) 1 on central processor 1 among the electronic equipment.
Consult shown in Figure 3ly, it has the preferred embodiment functional block diagram of the fan control device of thermoelectric effect control circuit for the present invention.This fan control device 3 includes a thermoelectric effect control circuit 31, one drive circuit 32 and a circuit for controlling speed of fan 33.
When this central processing unit (CPU) 1 begins operation and produces an operating temperature, this thermoelectricity conversion power generation device 30 promptly can be according to the height situation of the operating temperature of this central processing unit (CPU) 1, and produce a thermoelectric voltage signal 301, and deliver to this drive circuit 32 via this thermoelectric effect control circuit 31 and a pyroelectric signal transmission line 34, by this drive circuit 32 thermoelectric voltage signal 301 is delivered to fan 2 again, rotate with drive fan 2.
This fan control device 100 with thermoelectric effect control circuit more includes a temperature transducer 4 and a system temperature threshold value unit 5.This temperature transducer 4 is in order to the operating temperature of this central processing unit (CPU) 1 of sensing.This system temperature threshold value unit 5 has a default system temperature threshold value, in order to compare this temperature transducer 4 sense among the operating temperature of central processor 1 whether reached default system temperature threshold value.
When temperature transducer 4 senses the operating temperature of a central processing unit (CPU) 1, just with this default system temperature threshold value comparison, when if this operating temperature has reached this default system temperature threshold value, this central processing unit (CPU) 1 promptly can produce a forced heat radiation signal 11 and deliver to this drive circuit 32, by this drive circuit 32 this forced heat radiation signal 11 is delivered to fan 2 again, rotate with drive fan 2.And also can send a speed controling signal 12 when central processing unit (CPU) 1 is sent this forced heat radiation signal 11, this speed controling signal 12 is delivered to fan 2 via this circuit for controlling speed of fan 33, with the rotating speed of control fan 2.
If when the operating temperature of this central processing unit (CPU) 1 did not reach the system temperature threshold value of systemic presupposition, 2 in this fan was the thermoelectric voltage signal 301 by these thermoelectricity conversion power generation device 30 generations, go drive fan 2 to rotate.
Consult shown in Figure 4ly, it has the preferred embodiment circuit diagram of the fan control device of thermoelectric effect control circuit for the present invention.This drive circuit 32 includes a resistance 321, a transistor 322, a diode 323, reaches a capacitor 324.
The thermoelectric voltage signal 301 that this thermoelectricity conversion power generation device 30 is produced is delivered to this drive circuit 32 via this pyroelectric signal transmission line 34 again via one of this thermoelectric effect control circuit 31 diode 311.Wherein this diode 311 can be formed a logic sum gate with the diode 323 of this drive circuit 32.
When the operating temperature of this central processing unit (CPU) 1 does not reach this system temperature threshold value, and when not sending this forced heat radiation signal 11 to drive circuit 32,32 of this drive circuits can be received the thermoelectric voltage signal 301 of these thermoelectricity conversion power generation device 30 generations, and this thermoelectric voltage signal 301 are delivered to fan 2 rotate with drive fan 2.When the operating temperature of this central processing unit (CPU) 1 reaches this system temperature threshold value, and when sending this forced heat radiation signal 11 to drive circuit 32, the thermoelectric voltage signal 301 of these thermoelectricity conversion power generation device 30 generations also can be delivered to this drive circuit 32, this moment, this thermoelectric voltage signal 301 was all delivered to fan 2 by drive circuit 32 and with this thermoelectric voltage signal 301 with forced heat radiation signal 11 with this forced heat radiation signal 11, rotated with drive fan 2.
And this circuit for controlling speed of fan 33 is made up of one first capacitor 331, a resistance 332 and one second capacitor 333, and this fan 2 can make rotating speed control more accurate by the control of this circuit for controlling speed of fan 33.
By above narration as can be known, the present invention effectively improves tradition compared to the technological means that prior art adopted Fan control device, it utilizes a thermoelectric conversion power generation device 30 to come drive fan 2 to rotate, and reaches auxiliary and looses The effect of heat, and can delay machine in this central processing unit 1 drive fan 2, and solved the fan of routine Control device can make the fan stall transfer the shortcoming that reduces its service life, and during more effective recycling is somebody's turn to do The thermal source that central processor produced makes the present invention have more commercial surcharge.
Claims (5)
1. fan control device with thermoelectric effect control circuit, it disposes a fan on central processor among the electronic equipment, it is characterized in that: described fan control device with thermoelectric effect control circuit includes a thermoelectric effect control circuit and a thermoelectric conversion power generation device, this thermoelectricity conversion power generation device is contacted with this central processing unit (CPU), the height situation of the operating temperature that this thermoelectricity conversion power generation device the time is produced in operation according to this central processing unit (CPU) produces a thermoelectric voltage signal and delivers to this fan via a pyroelectric signal transmission line.
2. the fan control device with thermoelectric effect control circuit according to claim 1 is characterized in that: described fan control device with thermoelectric effect control circuit also includes a temperature transducer in order to the operating temperature of this central processing unit (CPU) of sensing.
3. the fan control device with thermoelectric effect control circuit according to claim 1, it is characterized in that: described fan control device with thermoelectric effect control circuit also includes a system temperature threshold value unit, it has a default system temperature threshold value, in order to compare this temperature sensor senses go out among the operating temperature of central processor whether reached this default system temperature threshold value, and if the temperature that this temperature transducer sensed is when reaching this default temperature value, and this central processing unit (CPU) can be sent a forced heat radiation signal.
4. the fan control device with thermoelectric effect control circuit according to claim 3, it is characterized in that: described fan control device with thermoelectric effect control circuit also includes a circuit for controlling speed of fan, also can send a speed controling signal when central processing unit (CPU) is sent this forced heat radiation signal, this speed controling signal is delivered to fan via this circuit for controlling speed of fan.
5. the fan control device with thermoelectric effect control circuit according to claim 1, it is characterized in that: described fan control device with thermoelectric effect control circuit includes one drive circuit, the thermoelectric voltage signal of this thermoelectricity conversion power generation device generation is delivered to fan via this drive circuit with the thermoelectric voltage signal again behind this pyroelectric signal transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610036260XA CN100552232C (en) | 2006-06-30 | 2006-06-30 | Fan control device with thermoelectric effect control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610036260XA CN100552232C (en) | 2006-06-30 | 2006-06-30 | Fan control device with thermoelectric effect control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101096956A true CN101096956A (en) | 2008-01-02 |
| CN100552232C CN100552232C (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610036260XA Expired - Fee Related CN100552232C (en) | 2006-06-30 | 2006-06-30 | Fan control device with thermoelectric effect control circuit |
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| CN (1) | CN100552232C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170766A (en) * | 2010-02-26 | 2011-08-31 | 和硕联合科技股份有限公司 | Electronic device and method for controlling power supply of electronic device |
| CN102436280A (en) * | 2011-11-09 | 2012-05-02 | 福建星网锐捷网络有限公司 | Voltage stable output device and rotation speed control system of fan of whole machine and method thereof |
| CN103629127A (en) * | 2013-11-08 | 2014-03-12 | 中国人民解放军总后勤部建筑工程研究所 | Thermoelectric air blower |
| CN107741774A (en) * | 2017-09-30 | 2018-02-27 | 郑州云海信息技术有限公司 | A kind of cpu heat that used heat is reclaimed using semi-conductor thermoelectric material |
-
2006
- 2006-06-30 CN CNB200610036260XA patent/CN100552232C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170766A (en) * | 2010-02-26 | 2011-08-31 | 和硕联合科技股份有限公司 | Electronic device and method for controlling power supply of electronic device |
| CN102170766B (en) * | 2010-02-26 | 2013-05-22 | 和硕联合科技股份有限公司 | Electronic device and method for controlling power supply of electronic device |
| CN102436280A (en) * | 2011-11-09 | 2012-05-02 | 福建星网锐捷网络有限公司 | Voltage stable output device and rotation speed control system of fan of whole machine and method thereof |
| CN102436280B (en) * | 2011-11-09 | 2013-11-20 | 福建星网锐捷网络有限公司 | Voltage stable output device and rotation speed control system of fan of whole machine and method thereof |
| CN103629127A (en) * | 2013-11-08 | 2014-03-12 | 中国人民解放军总后勤部建筑工程研究所 | Thermoelectric air blower |
| CN103629127B (en) * | 2013-11-08 | 2015-09-30 | 中国人民解放军总后勤部建筑工程研究所 | A kind of thermoelectric air blower |
| CN107741774A (en) * | 2017-09-30 | 2018-02-27 | 郑州云海信息技术有限公司 | A kind of cpu heat that used heat is reclaimed using semi-conductor thermoelectric material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100552232C (en) | 2009-10-21 |
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Granted publication date: 20091021 Termination date: 20120630 |