CN102591436A - Notebook computer radiator capable of matching air speed along with temperature variation - Google Patents

Notebook computer radiator capable of matching air speed along with temperature variation Download PDF

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Publication number
CN102591436A
CN102591436A CN201210012754XA CN201210012754A CN102591436A CN 102591436 A CN102591436 A CN 102591436A CN 201210012754X A CN201210012754X A CN 201210012754XA CN 201210012754 A CN201210012754 A CN 201210012754A CN 102591436 A CN102591436 A CN 102591436A
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CN
China
Prior art keywords
pin
modulus conversion
dac0806
conversion chip
connect
Prior art date
Application number
CN201210012754XA
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Chinese (zh)
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CN102591436B (en
Inventor
倪健
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中国矿业大学
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Priority to CN201210012754.XA priority Critical patent/CN102591436B/en
Publication of CN102591436A publication Critical patent/CN102591436A/en
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Publication of CN102591436B publication Critical patent/CN102591436B/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The invention relates to a notebook computer radiator capable of matching air speed along with temperature variation, which comprises a frame body, a temperature sensor, an analog-to-digital conversion and a fan. The frame body is rectangular and corresponds to the heating position of a notebook computer. The fan, the temperature sensor and the analog-to-digital conversion are arranged in the frame body. The temperature sensor and the analog-to-digital conversion are electrically connected with the fan in series. The radiator can adjust rotating speed of the fan according to the temperature of the heating position of the notebook computer, saves electricity, is convenient to use and has practical applicability.

Description

A kind of notebook computer intelligent radiator that can mate wind speed with temperature variation

Technical field

the present invention relates to a kind of heat spreader structures, especially a kind of notebook computer intelligent radiator that can mate wind speed with temperature variation.

Background technology

are present, and known heating radiator is through the rotation heat radiation of fan, but wind speed can't cause the electricity consumption waste according to the adjustment of heating position.

Summary of the invention

in order to overcome the deficiency that existing heating radiator can't just be regulated wind speed according to the temperature of heating position, the present invention provides a kind of notebook computer intelligent radiator that can mate wind speed with temperature variation.This heating radiator is provided with temperature sensor and modulus conversion chip, can intelligence regulate the wind speed size.

the technical solution adopted for the present invention to solve the technical problems is: this can comprise support body, temperature sensor, modulus conversion chip, fan with the notebook computer intelligent radiator that temperature variation is mated wind speed; This heating radiator has a rectangle support body, and the heating position of corresponding notebook computer is provided with fan, temperature sensor and modulus conversion chip in support body, and temperature sensor, modulus conversion chip and fan are electrically connected in series; Temperature sensor adopts logic output type temperature sensor, and model is DS18B20, and the modulus conversion chip model is DAC0806; During use, the height of temperature sensor senses computer heating position temperature during temperature overshoot scope, can pass to modulus conversion chip with signal, opens fan swicth, and modulus conversion chip can carry out wind speed according to the strong and weak coupling of the signal that transmits ground to be regulated.

described notebook computer intelligent radiator, wherein 1 pin (VDD) of temperature sensor (DS18B20) connects power supply (VCC), 3 pin (GND) ground connection, thus keep the temperature sensor chip operate as normal; 2 pin (DQ) of temperature sensor (DS18B20) join with 1 pin (P1.0) of single-chip microcomputer, and the detected temperature data of temperature sensor (DS18B20) is passed to single-chip microcomputer; 18 pin (XTAL2) of single-chip microcomputer, 19 pin (XTAL1) connect a crystal oscillating circuit, and crystal oscillating circuit provides the single-chip microcomputer clock signal, keeps the single-chip microcomputer operate as normal; 20 pin (Vss) ground connection of single-chip microcomputer, 40 pin connect power supply (VCC) through the electric capacity of 0.1u, to the single-chip microcomputer power supply, keep single-chip microcomputer work; 32 pin (P0.7) of single-chip microcomputer connect 12 pin (A8) of modulus conversion chip (DAC0806); 33 pin (P0.6) of single-chip microcomputer connect 11 pin (A7) of modulus conversion chip (DAC0806); 34 pin (P0.5) of single-chip microcomputer connect 10 pin (A6) of modulus conversion chip (DAC0806); 35 pin (P0.4) of single-chip microcomputer connect 9 pin (A5) of modulus conversion chip (DAC0806); 36 pin (P0.3) of single-chip microcomputer connect 8 pin (A4) of modulus conversion chip (DAC0806); 37 pin (P0.2) of single-chip microcomputer connect 7 pin (A3) of modulus conversion chip (DAC0806), and 38 pin (P0.1) of single-chip microcomputer connect 6 pin (A2) of modulus conversion chip (DAC0806), and 39 pin (P0.0) of single-chip microcomputer connect 5 pin (A1) of modulus conversion chip (DAC0806); The digital signal of single-chip microcomputer output is passed to modulus conversion chip (DAC0806), carry out digital-to-analog conversion; 13 pin (VCC) of modulus conversion chip (DAC0806) connect positive supply (Vcc); 3 pin (VEE) of modulus conversion chip (DAC0806) connect negative supply (Vee); 16 pin (COM) of modulus conversion chip (DAC0806) connect negative supply (Vee) through the electric capacity of 0.1u; 14 pin of modulus conversion chip (DAC0806) (VREF (+)) connect power supply (10V-Vref) through the resistance of a 5000k; 15 pin of modulus conversion chip (DAC0806) (VREF (-)) are through the resistance eutral grounding of a 5k; 2 pin ground connection of modulus conversion chip (DAC0806), the operate as normal of maintenance modulus conversion chip (DAC0806) makes it can carry out digital-to-analog conversion accurately.Can obtain the analog quantity that we need through above circuit connection; 4 pin (IO) of modulus conversion chip (DAC0806) connect the negative pole of analogue amplifier (LF351); The output terminal (output) of analogue amplifier (LF351) connects the negative pole of analogue amplifier (LF351) through the resistance of 6000k; The positive pole of analogue amplifier (LF351) connects ground; The simulating signal of modulus conversion chip (DAC0806) output is amplified, make it finally can output area be (0 ~ 12V) DC voltage; The output terminal (output) of analogue amplifier (LF351) connects the fan of some ground connection, comes drive fan work through the DC voltage that has amplified, and controls rotation speed of the fan with this.

the invention has the beneficial effects as follows, the rotation speed of the fan that carries out that can mate according to the height of computer heating position temperature is regulated, and using electricity wisely is easy to use, has practicality.

Description of drawings

are described further the present invention below in conjunction with accompanying drawing and embodiment.

Fig. 1 structural principle synoptic diagram of the present invention.

Fig. 2 module of the present invention connects synoptic diagram.

Fig. 3 circuit of the present invention connects synoptic diagram.

Among Fig. 1,1. support body, 2 temperature sensors, 3. modulus conversion chip, 4. fan.

Embodiment

in the drawings, this can comprise support body 1, temperature sensor 2, modulus conversion chip 3, fan 4 with the notebook computer intelligent radiator that temperature variation is mated wind speed; This heating radiator has a rectangle support body 1, and the heating position of corresponding notebook computer is provided with fan 4, temperature sensor 2 and modulus conversion chip 3 in support body 1, and temperature sensor 2, modulus conversion chip 3 and fan 4 are electrically connected in series; Temperature sensor 2 adopts the logic output type, and model is DS18B20, and modulus conversion chip 3 models are DAC0806; During use; The height of temperature sensor 2 induced electricity brain fever position temperature during temperature overshoot scope, can pass to modulus conversion chip 3 with signal; Open fan 4 switches, modulus conversion chip 3 can carry out wind speed according to the strong and weak coupling of the signal that transmits ground to be regulated.

described notebook computer intelligent radiator, wherein 1 pin (VDD) of temperature sensor (DS18B20) connects power supply (VCC), 3 pin (GND) ground connection, thus keep the temperature sensor chip operate as normal; 2 pin (DQ) of temperature sensor (DS18B20) join with 1 pin (P1.0) of single-chip microcomputer, and the detected temperature data of temperature sensor (DS18B20) is passed to single-chip microcomputer; 18 pin (XTAL2) of single-chip microcomputer, 19 pin (XTAL1) connect a crystal oscillating circuit, and crystal oscillating circuit provides the single-chip microcomputer clock signal, keeps the single-chip microcomputer operate as normal; 20 pin (Vss) ground connection of single-chip microcomputer, 40 pin connect power supply (VCC) through the electric capacity of 0.1u, to the single-chip microcomputer power supply, keep single-chip microcomputer work; 32 pin (P0.7) of single-chip microcomputer connect 12 pin (A8) of modulus conversion chip (DAC0806); 33 pin (P0.6) of single-chip microcomputer connect 11 pin (A7) of modulus conversion chip (DAC0806); 34 pin (P0.5) of single-chip microcomputer connect 10 pin (A6) of modulus conversion chip (DAC0806); 35 pin (P0.4) of single-chip microcomputer connect 9 pin (A5) of modulus conversion chip (DAC0806); 36 pin (P0.3) of single-chip microcomputer connect 8 pin (A4) of modulus conversion chip (DAC0806); 37 pin (P0.2) of single-chip microcomputer connect 7 pin (A3) of modulus conversion chip (DAC0806), and 38 pin (P0.1) of single-chip microcomputer connect 6 pin (A2) of modulus conversion chip (DAC0806), and 39 pin (P0.0) of single-chip microcomputer connect 5 pin (A1) of modulus conversion chip (DAC0806); The digital signal of single-chip microcomputer output is passed to modulus conversion chip (DAC0806), carry out digital-to-analog conversion; 13 pin (VCC) of modulus conversion chip (DAC0806) connect positive supply (Vcc); 3 pin (VEE) of modulus conversion chip (DAC0806) connect negative supply (Vee); 16 pin (COM) of modulus conversion chip (DAC0806) connect negative supply (Vee) through the electric capacity of 0.1u; 14 pin of modulus conversion chip (DAC0806) (VREF (+)) connect power supply (10V-Vref) through the resistance of a 5000k; 15 pin of modulus conversion chip (DAC0806) (VREF (-)) are through the resistance eutral grounding of a 5k; 2 pin ground connection of modulus conversion chip (DAC0806), the operate as normal of maintenance modulus conversion chip (DAC0806) makes it can carry out digital-to-analog conversion accurately.Can obtain the analog quantity that we need through above circuit connection; 4 pin (IO) of modulus conversion chip (DAC0806) connect the negative pole of analogue amplifier (LF351); The output terminal (output) of analogue amplifier (LF351) connects the negative pole of analogue amplifier (LF351) through the resistance of 6000k; The positive pole of analogue amplifier (LF351) connects ground; The simulating signal of modulus conversion chip (DAC0806) output is amplified, make it finally can output area be (0 ~ 12V) DC voltage; The output terminal (output) of analogue amplifier (LF351) connects the fan of some ground connection, comes drive fan work through the DC voltage that has amplified, and controls rotation speed of the fan with this.

Claims (1)

1. an ability comprises: support body (1), temperature sensor (2), modulus conversion chip (3), fan (4) with the notebook computer intelligent radiator of temperature variation coupling wind speed; It is characterized in that: this heating radiator has a rectangle support body (1); The heating position of corresponding notebook computer; In support body (1), be provided with fan (4), temperature sensor (2) and modulus conversion chip (3), temperature sensor (2), modulus conversion chip (3) and fan (4) are electrically connected in series; 1 pin (VDD) of temperature sensor (DS18B20) connects power supply (VCC), 3 pin (GND) ground connection; 2 pin (DQ) of temperature sensor (DS18B20) join with 1 pin (P1.0) of single-chip microcomputer; 18 pin (XTAL2) of single-chip microcomputer, 19 pin (XTAL1) connect a crystal oscillating circuit, and crystal oscillating circuit provides the single-chip microcomputer clock signal; 20 pin (Vss) ground connection of single-chip microcomputer, 40 pin connect power supply (VCC) through the electric capacity of 0.1u; 32 pin (P0.7) of single-chip microcomputer connect 12 pin (A8) of modulus conversion chip (DAC0806); 33 pin (P0.6) of single-chip microcomputer connect 11 pin (A7) of modulus conversion chip (DAC0806); 34 pin (P0.5) of single-chip microcomputer connect 10 pin (A6) of modulus conversion chip (DAC0806); 35 pin (P0.4) of single-chip microcomputer connect 9 pin (A5) of modulus conversion chip (DAC0806); 36 pin (P0.3) of single-chip microcomputer connect 8 pin (A4) of modulus conversion chip (DAC0806); 37 pin (P0.2) of single-chip microcomputer connect 7 pin (A3) of modulus conversion chip (DAC0806), and 38 pin (P0.1) of single-chip microcomputer connect 6 pin (A2) of modulus conversion chip (DAC0806), and 39 pin (P0.0) of single-chip microcomputer connect 5 pin (A1) of modulus conversion chip (DAC0806); 13 pin (VCC) of modulus conversion chip (DAC0806) connect positive supply (Vcc); 3 pin (VEE) of modulus conversion chip (DAC0806) connect negative supply (Vee); 16 pin (COM) of modulus conversion chip (DAC0806) connect negative supply (Vee) through the electric capacity of 0.1u; 14 pin of modulus conversion chip (DAC0806) (VREF (+)) connect power supply (10V-Vref) through the resistance of a 5000k; 15 pin of modulus conversion chip (DAC0806) (VREF (-)) are through the resistance eutral grounding of a 5k, 2 pin ground connection of modulus conversion chip (DAC0806); 4 pin (IO) of modulus conversion chip (DAC0806) connect the negative pole of analogue amplifier (LF351); The output terminal (output) of analogue amplifier (LF351) connects the negative pole of analogue amplifier (LF351) through the resistance of 6000k; The positive pole of analogue amplifier (LF351) connects ground, and the output terminal (output) of analogue amplifier (LF351) connects the fan of some ground connection.
CN201210012754.XA 2012-01-17 2012-01-17 Notebook computer radiator capable of matching air speed along with temperature variation CN102591436B (en)

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Application Number Priority Date Filing Date Title
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CN102591436B CN102591436B (en) 2015-02-04

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103853208A (en) * 2012-12-06 2014-06-11 苏州工业园区新宏博通讯科技有限公司 Heating circuit capable of controlling temperature automatically
CN103885561A (en) * 2014-03-24 2014-06-25 重庆师范大学 Intelligent temperature control radiator
CN105022466A (en) * 2015-08-12 2015-11-04 吴江佳亿电子科技有限公司 Automatic-regulating laptop heat dissipating frame
CN105068627A (en) * 2015-08-12 2015-11-18 吴江佳亿电子科技有限公司 Self-adjusting multi-functional laptop heat dissipation rack
CN106050718A (en) * 2016-07-12 2016-10-26 邦彦技术股份有限公司 Intelligent fan control method and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201928565U (en) * 2010-12-06 2011-08-10 洪佳鑫 Overheating protection circuit of industrial personal computer component
CN202003292U (en) * 2011-03-09 2011-10-05 大连民族学院 Intelligent heat radiation rack of laptop
CN202502454U (en) * 2012-01-17 2012-10-24 中国矿业大学 Intelligent radiator of notebook computer, wherein wind speed is adjusted according to temperature change

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201928565U (en) * 2010-12-06 2011-08-10 洪佳鑫 Overheating protection circuit of industrial personal computer component
CN202003292U (en) * 2011-03-09 2011-10-05 大连民族学院 Intelligent heat radiation rack of laptop
CN202502454U (en) * 2012-01-17 2012-10-24 中国矿业大学 Intelligent radiator of notebook computer, wherein wind speed is adjusted according to temperature change

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103853208A (en) * 2012-12-06 2014-06-11 苏州工业园区新宏博通讯科技有限公司 Heating circuit capable of controlling temperature automatically
CN103885561A (en) * 2014-03-24 2014-06-25 重庆师范大学 Intelligent temperature control radiator
CN105022466A (en) * 2015-08-12 2015-11-04 吴江佳亿电子科技有限公司 Automatic-regulating laptop heat dissipating frame
CN105068627A (en) * 2015-08-12 2015-11-18 吴江佳亿电子科技有限公司 Self-adjusting multi-functional laptop heat dissipation rack
CN106050718A (en) * 2016-07-12 2016-10-26 邦彦技术股份有限公司 Intelligent fan control method and system
CN106050718B (en) * 2016-07-12 2017-12-01 邦彦技术股份有限公司 A kind of intelligent fan control method and system

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C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Ni Jian

Inventor after: Wang Jiaming

Inventor after: Xu Xinzheng

Inventor after: Zhang Min

Inventor before: Ni Jian

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: NI JIAN TO: NI JIAN WANG JIAMING XU XINZHENG ZHANG MIN

C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150204

Termination date: 20160117