CN203161596U - Automatic control system of fan - Google Patents
Automatic control system of fan Download PDFInfo
- Publication number
- CN203161596U CN203161596U CN 201320146612 CN201320146612U CN203161596U CN 203161596 U CN203161596 U CN 203161596U CN 201320146612 CN201320146612 CN 201320146612 CN 201320146612 U CN201320146612 U CN 201320146612U CN 203161596 U CN203161596 U CN 203161596U
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- China
- Prior art keywords
- fan
- chip microcomputer
- control circuit
- control system
- temperature
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Abstract
The utility model discloses an automatic control system of a fan. The automatic control system of the fan comprises a single-chip microcomputer, a temperature sensor, an infrared sensor, a displayer, a control circuit and a direct-current motor. The temperature sensor is used for detecting the environment temperature, and a temperature signal is sent to the single-chip microcomputer by the temperature sensor to be processed. A current environment temperature value and a preset temperature value are displayed on the displayer, an electric signal processed by the single-chip microcomputer is input into the control circuit, and the control circuit is used for changing the rotating speed of the direct-current motor according to receive orders of the single-chip microcomputer. The fan can carry out automatic stepless speed adjustment according to changes of the environment temperature, when the environment temperature value rises to a certain value, the fan can automatically starts, when the environment temperature value descends to a certain value, the fan can automatically stop rotating, the fan can further carry out automatic orientation, thus, the fan is prevented from blowing to the place without any person, energy resources can be made full use of, and intelligent control can be achieved.
Description
Technical field
The utility model relates to a kind of control system, is specifically related to a kind of automatic control system of fan.Background technique
Along with improving constantly of people's living standard and scientific and technological level, now household electric appliance are at aspect day such as style, function excelsior, and develop towards direction such as healthy, safe, multi-functional, energy-conservation.Fan is being brought into play very important effect as a kind of heat radiation instrument, as the radiation fan in the medium-and-large-sized machinery of radiation fan, industrial production that summer, people used and present widely used intelligent cpu fan etc. on the notebook computer.In existing technology, most of fan has only manual governing, adds a timer, function singleness.Wind speed can not change along with temperature change, catches a cold easily, and can not automatically shut down under unmanned prerequisite yet, also can have potential safety hazard in the time of the waste resource.
The model utility content
The technical problems to be solved in the utility model provides a kind of automatic control system of fan, this control system can be carried out automatic stepless speed-regulating according to the variation of ambient temperature, when being elevated to one, temperature regularly can start fan automatically, when temperature drops to the rotation that a timing can stop fan automatically, and can also automatic orientation, realize intelligent control.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of automatic control system of fan, comprise single-chip microcomputer, temperature transducer, infrared senor, display device, control circuit and direct current generator, described temperature transducer testing environment temperature also sends temperature signal to single-chip microcomputer and handles, show current environmental temperature value and preset temperature value at display device, electrical signal after single-chip microcomputer is handled enters control circuit, and control circuit instructs the single-chip microcomputer that receives to change the rotating speed of direct current generator; Described infrared senor receives the infrared signal that human body distributes, infrared signal is connected on the single-chip microcomputer through operational amplifier, bridge rectifier filter circuit and mu balanced circuit, electrical signal after single-chip microcomputer is handled enters control circuit, and control circuit will instruct to control the direction of fan according to the single-chip microcomputer of receiving.
Further, described temperature transducer adopts DS18B20, and DS18B20 includes analog-digital converter, can will become digital signal according to the analog signal conversion of receiving.The Highgrade integration of digital integrated temperature sensor DS18B20 greatly reduces the error factor of circuit such as external amplification conversion, and it is very little that temperature error becomes, and makes that its temperature resolution is high.
Further, described control circuit adopts the PWM control circuit for pulse-width modulation.
Further, described display device adopts light-emitting diode display.
The beneficial effects of the utility model are: fan can carry out automatic stepless speed-regulating according to the variation of ambient temperature, when being elevated to one, temperature regularly can start fan automatically, when temperature drops to the rotation that a timing can stop fan automatically, and can also automatic orientation, avoid fan to blow facing to no one's direction for a long time, make the energy be fully utilized, realize intelligent control.
Description of drawings
Fig. 1 is the system block diagram of the automatic control system of a kind of fan of the utility model.
Fig. 2 is the flow diagram of the automatic control system of a kind of fan of the utility model.
Embodiment
Accompanying drawing discloses concrete structure of the present utility model without limitation, and the utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of automatic control system of fan, comprise single-chip microcomputer, temperature transducer, infrared senor, display device, control circuit and direct current generator, described temperature transducer testing environment temperature also sends temperature signal to single-chip microcomputer and handles, show current environmental temperature value and preset temperature value at display device, electrical signal after single-chip microcomputer is handled enters control circuit, and control circuit instructs the single-chip microcomputer that receives to change the rotating speed of direct current generator.Described infrared senor receives the infrared signal that human body distributes, infrared signal is connected on the single-chip microcomputer through operational amplifier, bridge rectifier filter circuit and mu balanced circuit, electrical signal after single-chip microcomputer is handled enters control circuit, and control circuit instructs the single-chip microcomputer that receives to control the direction of fan.
Such scheme, described temperature transducer adopts DS18B20, and DS18B20 includes analog-digital converter, the analog signal conversion that receives can be become digital signal.
Such scheme, described control circuit adopts the PWM control circuit for pulse-width modulation.
Such scheme, described display device adopts light-emitting diode display.
Working procedure of the present utility model: the I/O mouth output pwm pulse by single-chip microcomputer drives direct current generator and realizes the adjusting of fan electromotor speed and the direction of fan by the PWM control circuit for pulse-width modulation.The keyboard input arranges temperature, import corresponding control command by software to single-chip microcomputer, by the output of P1.7 mouth and the corresponding pwm pulse of rotating speed, drive drive fan DC motor control circuit through control circuit for pulse-width modulation by single-chip microcomputer, realize the automatic control of motor speed and start and stop.When ambient temperature raise, the rotating speed of direct current generator can correspondingly increase according to the grade of setting, when ambient temperature descends, rotating speed of motor can corresponding descend, and when ambient temperature is lower than when temperature is set, motor stops operating, and ambient temperature is when being higher than preset temperature, and motor restarts; Electrical signal after single-chip microcomputer reception infrared senor is handled is controlled the direction of fan.For people's life and production has brought many facilities, in the quality of life that improves people, manufacturing efficiency, can also save the required energy of fan running.
Claims (5)
1. the automatic control system of a fan, comprise single-chip microcomputer, sensor, display device, keyboard and control circuit, it is characterized in that: described sensor comprises temperature transducer and infrared senor, temperature transducer testing environment temperature also sends temperature signal to single-chip microcomputer and handles, show current environmental temperature value and preset temperature value at display device, electrical signal after single-chip microcomputer is handled enters control circuit, and control circuit instructs to change the rotating speed of direct current generator according to the single-chip microcomputer that receives.
2. the automatic control system of fan according to claim 1, it is characterized in that: described infrared senor receives the infrared signal that human body distributes, infrared signal is connected on the single-chip microcomputer through operational amplifier, bridge rectifier filter circuit and mu balanced circuit, electrical signal after single-chip microcomputer is handled enters control circuit, and control circuit instructs to control the direction of fan according to the single-chip microcomputer that receives.
3. the automatic control system of fan according to claim 1 is characterized in that: described temperature transducer employing DS18B20.
4. the automatic control system of fan according to claim 1 is characterized in that: described control circuit employing PWM control circuit for pulse-width modulation.
5. the automatic control system of fan according to claim 1 is characterized in that: described display device employing light-emitting diode display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320146612 CN203161596U (en) | 2013-03-28 | 2013-03-28 | Automatic control system of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320146612 CN203161596U (en) | 2013-03-28 | 2013-03-28 | Automatic control system of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203161596U true CN203161596U (en) | 2013-08-28 |
Family
ID=49022783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320146612 Expired - Fee Related CN203161596U (en) | 2013-03-28 | 2013-03-28 | Automatic control system of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203161596U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148009A (en) * | 2013-03-28 | 2013-06-12 | 梁翠 | Automatic control system of fan |
| CN103790850A (en) * | 2014-03-09 | 2014-05-14 | 李良杰 | Device automatically adjusting electric fan according to temperature |
| CN104061179A (en) * | 2013-11-06 | 2014-09-24 | 苏州天趣信息科技有限公司 | Temperature-based automatic turning direction adjustment type fan |
| CN107229296A (en) * | 2016-03-23 | 2017-10-03 | 重庆医药高等专科学校 | Intelligent cooling remote control weak current box and its intelligent cooling method |
| CN107654399A (en) * | 2017-11-16 | 2018-02-02 | 绵阳市建诚电子有限公司 | A kind of intelligent electric fan based on ambient temperature |
-
2013
- 2013-03-28 CN CN 201320146612 patent/CN203161596U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148009A (en) * | 2013-03-28 | 2013-06-12 | 梁翠 | Automatic control system of fan |
| CN104061179A (en) * | 2013-11-06 | 2014-09-24 | 苏州天趣信息科技有限公司 | Temperature-based automatic turning direction adjustment type fan |
| CN103790850A (en) * | 2014-03-09 | 2014-05-14 | 李良杰 | Device automatically adjusting electric fan according to temperature |
| CN107229296A (en) * | 2016-03-23 | 2017-10-03 | 重庆医药高等专科学校 | Intelligent cooling remote control weak current box and its intelligent cooling method |
| CN107654399A (en) * | 2017-11-16 | 2018-02-02 | 绵阳市建诚电子有限公司 | A kind of intelligent electric fan based on ambient temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140328 |