CN106704221A - Automatic sensing fan - Google Patents
Automatic sensing fan Download PDFInfo
- Publication number
- CN106704221A CN106704221A CN201611015468.3A CN201611015468A CN106704221A CN 106704221 A CN106704221 A CN 106704221A CN 201611015468 A CN201611015468 A CN 201611015468A CN 106704221 A CN106704221 A CN 106704221A
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- CN
- China
- Prior art keywords
- pin
- automatic sensing
- fan
- sensing fan
- lines
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
Abstract
The invention provides an automatic sensing fan. A human body infrared sensor module HC-SR501, an electronic switch TWH8752 and a relay K are arranged in the circuit of the automatic sensing fan and used for controlling a power supply circuit at an input end. The automatic sensing fan is used for detecting human body infrared pyroelectricity via the human body infrared sensor module; when a start button of the automatic sensing fan is pressed down, the automatic sensing fan can start automatically when a person is near the automatic sensing fan, and can stop automatically when the person leaves; and especially, for the phenomenon that the person stays near the automatic sensing fan for a short time, then leaves for a short time, and then returns to the place near the automatic sensing fan, automatic adjustment of starting when the person is near the automatic sensing fan and stopping when the person leaves the automatic sensing fan can be realized according to detected human body infrared rays, so that the use is very convenient, and electric energy can be saved effectively.
Description
Technical field
The present invention relates to a kind of fan, specifically a kind of automatic sensing fan belongs to electronic technology field.
Background technology
Fan is a kind of conventional household electrical appliance, and summer heat, people often one enter house and fan will be opened, but
Again it is easy to forget that fan is closed when leaving, electric energy is wasted, and fan works long hours, and is also easy to cause to damage,
Therefore it is desirable that a automatic sensing fan can be developed, after starting switch is pressed, can be opened automatically in the case of someone
It is dynamic, can be automatically stopped in the case where people leaves, the phenomenon of return again is left for a moment in particular for people is of short duration, fan can
According to monitor it is human body infrared come realize someone start/it is unmanned stop automatically adjusting.
The content of the invention
It is an object of the invention to provide a kind of automatic sensing fan, someone's startup/nothing cannot be realized to solve conventional Ian
The problem for automatically adjusting that people stops.
Concrete technical scheme of the invention is：
A kind of automatic sensing fan, its circuit is provided with human body infrared induction module HC-SR501, electronic switch TWH8752 and relay
Device K is controlled to supplying power for input end circuit, and the L lines and N lines of wherein 220V civil powers be respectively connected to transformer T1 primary coils
Two ends, starting switch S1,220V civil power is also serially connected with L lines through transformer T1 step-downs, diode D1~D4 bridge rectifiers, electricity
After holding C1 filtering, direct current 12V power ends are formed respectively in the positive and negative end of electric capacity C1 and ground terminal is powered to late-class circuit；12V
Power supply is transformed to 5V power supplys for human body infrared induction module HC-SR501 is powered through three terminal regulator 7805, and 12V power supplys connect
1 pin of three terminal regulator 7805, the 2 pin ground connection of three terminal regulator 7805,3 pin connect the 1 of human body infrared induction module HC-SR501
Pin；The 3 pin ground connection of human body infrared induction module HC-SR501,2 pin connect the base stage of triode Q1, and the emitter stage of triode Q1 connects
Ground, one end of colelctor electrode connecting resistance R1 and R2, another termination 12V power supplys of resistance R1, another termination electronic switch of resistance R2
2 pin of TWH8752 and the positive pole of electric capacity C2, the negative pole ground connection of electric capacity C2；1 pin and 5 pin of electronic switch TWH8752 connect electricity jointly
Hinder one end of R3, another termination 12V power supplys of resistance R3, the 3 pin ground connection of electronic switch TWH8752,4 pin contact relay K coils
One end and diode D5 positive pole, the other end of relay K coils and the negative pole of diode D5 connect 12V power supplys；220V civil powers
L lines and N lines between be also associated with fan circuit after starting switch S1, L lines connection relay K's is normal in fan circuit
Open one end of contact K1, one end of the other end wind-receiving fan motor M of normally opened contact K1, another termination 220V cities of fan electromotor M
The N lines of electricity.
Diode D1~the D4 uses 1N4001, electric capacity C1 to use the electrochemical capacitor of 470 μ F.
The triode Q1 uses NPN triode 9013, and resistance R1, R2, R3 are respectively adopted 100k Ω, 47k Ω, 560 Ω
Resistance, electric capacity C2 uses 150 μ F electrochemical capacitors, diode D5 to use 1N4148, and relay K is using using JRX-13F types 12V
Relay.
Automatic sensing fan of the invention is detected to infrared human body heat releasing electricity by human body infrared induction module, pressed
After lower starting switch, in the case of someone can automatic, can be automatically stopped in the case where people leaves, especially pin
Of short duration to people to leave the phenomenon for returning again for a moment, fan human body infrared can realize someone's startup/nothing according to what is monitored
What people stopped automatically adjusting, very easy to use, and can also effectively save electric energy.
Brief description of the drawings
Fig. 1 is the circuit diagram of automatic sensing fan of the present invention.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, the circuit of automatic sensing fan of the present invention is provided with human body infrared induction module HC-SR501, electronic cutting
Close TWH8752 and relay K to be controlled supplying power for input end circuit, the L lines and N lines of wherein 220V civil powers are respectively connected to become
The two ends of depressor T1 primary coils, are also serially connected with starting switch S1,220V civil power through transformer T1 step-downs, diode D1 on L lines
After~D4 bridge rectifiers, electric capacity C1 filtering, direct current 12V power ends and ground terminal are formed respectively backward in the positive and negative end of electric capacity C1
Level circuit is powered；12V power supplys are transformed to 5V power supplys for human body infrared induction module HC-SR501 is carried out through three terminal regulator 7805
Power supply, 12V power supplys connect 1 pin of three terminal regulator 7805, and the 2 pin ground connection of three terminal regulator 7805,3 pin connect human body infrared sensing mould
1 pin of block HC-SR501；The 3 pin ground connection of human body infrared induction module HC-SR501,2 pin connect the base stage of triode Q1, triode
The grounded emitter of Q1, one end of colelctor electrode connecting resistance R1 and R2, another termination 12V power supplys of resistance R1, resistance R2's is another
2 pin of termination electronic switch TWH8752 and the positive pole of electric capacity C2, the negative pole ground connection of electric capacity C2；1 pin of electronic switch TWH8752
One end of connecting resistance R3 common with 5 pin, another termination 12V power supplys of resistance R3, the 3 pin ground connection of electronic switch TWH8752,4 pin
One end of contact relay K coils and the positive pole of diode D5, the other end of relay K coils and the negative pole of diode D5 meet 12V
Power supply；Fan circuit is also associated with after starting switch S1 between the L lines and N lines of 220V civil powers, L lines connect in fan circuit
One end of the normally opened contact K1 of contact relay K, one end of the other end wind-receiving fan motor M of normally opened contact K1, fan electromotor M's is another
The N lines of one termination 220V civil powers.
The operation principle of this automatic sensing fan circuit is：
After the S that closes a switch makes power on circuitry, after people enters room, human body induction module HC-SR501 detects someone, its 2 pin
Output high level, triode Q1 conductings, 2 pin for being carried in electronic switch TWH8752 gate end for low level, therefore electronic switch
The 4 pin output ends of TWH8752 are low level, and the coil of relay K obtains electric, relay K adhesives, the normally opened contact K1 of relay K
Closure, fan electromotor M obtains electric automatic running.
After people leaves, human body induction module HC-SR501 can't detect someone, its 2 pin output low level, triode Q1
Cut-off, be carried in electronic switch TWH8752 2 pin gating end be high level, therefore electronic switch TWH8752 4 pin output ends
It is high level, the coil losing electricity of relay K, relay K releases, the normally opened contact K1 of relay K is opened, fan electromotor M dead electricity
It is automatically stopped.It is achieved in automatically adjusting for fan someone startup/unmanned stopping.
Above-mentioned legend is only exemplary embodiments of the invention, is not intended to limit the invention, it is all it is of the invention spirit and
Any modification made within principle or equivalent and improvement etc., should be included within the scope of the present invention.
Claims (3)
1. a kind of automatic sensing fan, it is characterized in that：The circuit of the automatic sensing fan is provided with human body infrared induction module HC-
SR501, electronic switch TWH8752 and relay K are controlled to supplying power for input end circuit, wherein the L lines and N of 220V civil powers
Line is respectively connected to the two ends of transformer T1 primary coils, starting switch S1,220V civil power is also serially connected with L lines and is dropped through transformer T1
After pressure, diode D1~D4 bridge rectifiers, electric capacity C1 filtering, direct current 12V power supplys are formed respectively in the positive and negative end of electric capacity C1
End and ground terminal are powered to late-class circuit；12V power supplys are transformed to 5V power supplys for human body infrared induction module through three terminal regulator 7805
HC-SR501 is powered, and 12V power supplys connect 1 pin of three terminal regulator 7805, and the 2 pin ground connection of three terminal regulator 7805,3 pin meet people
1 pin of body infrared induction module HC-SR501；The 3 pin ground connection of human body infrared induction module HC-SR501,2 pin connect triode Q1's
Base stage, the grounded emitter of triode Q1, one end of colelctor electrode connecting resistance R1 and R2, another termination 12V power supplys of resistance R1, electricity
Hinder 2 pin and the positive pole of electric capacity C2 of another termination electronic switch TWH8752 of R2, the negative pole ground connection of electric capacity C2；Electronic switch
One end of the common connecting resistance R3 of 1 pin and 5 pin of TWH8752, another termination 12V power supplys of resistance R3, electronic switch TWH8752's
3 pin ground connection, one end of 4 pin contact relay K coils and the positive pole of diode D5, the other end and diode D5 of relay K coils
Negative pole connect 12V power supplys；Fan circuit is also associated with after starting switch S1 between the L lines and N lines of 220V civil powers, in fan
One end of the normally opened contact K1 of L lines connection relay K, one end of the other end wind-receiving fan motor M of normally opened contact K1, wind in circuit
The N lines of another termination 220V civil powers of fan motor M.
2. automatic sensing fan according to claim 1, it is characterized in that：Diode D1~the D4 uses 1N4001, electricity
Hold electrochemical capacitors of the C1 using 470 μ F.
3. automatic sensing fan according to claim 1, it is characterized in that：The triode Q1 uses NPN triode 9013,
Resistance R1, R2, R3 are respectively adopted 100k Ω, 47k Ω, the resistance of 560 Ω, and electric capacity C2 uses 150 μ F electrochemical capacitors, diode D5
Using 1N4148, relay K is using using JRX-13F type 12V relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015468.3A CN106704221A (en) | 2016-11-18 | 2016-11-18 | Automatic sensing fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015468.3A CN106704221A (en) | 2016-11-18 | 2016-11-18 | Automatic sensing fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106704221A true CN106704221A (en) | 2017-05-24 |
Family
ID=58940563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611015468.3A Pending CN106704221A (en) | 2016-11-18 | 2016-11-18 | Automatic sensing fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704221A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469641A (en) * | 2018-12-08 | 2019-03-15 | 中山风之源电器实业有限公司 | A kind of Multifunctional fan electric machine controller |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060001391A1 (en) * | 2004-06-30 | 2006-01-05 | Fujitsu Limited | Fan |
| CN101725556A (en) * | 2009-11-17 | 2010-06-09 | 暨南大学 | Multi-mode temperature control fan governor |
| CN101922462A (en) * | 2010-06-24 | 2010-12-22 | 潘冲 | Intelligent inductive electric fan |
| CN201786698U (en) * | 2010-07-23 | 2011-04-06 | 邱金和 | Electric fan structure with infrared detection function |
| CN202833238U (en) * | 2012-07-20 | 2013-03-27 | 霍树添 | Column type fan capable of detecting human body |
| CN103089682A (en) * | 2013-02-16 | 2013-05-08 | 姜秀坤 | Controller for intermittent operation of exhaust fan |
| CN204532926U (en) * | 2015-03-30 | 2015-08-05 | 赵泽 | A kind of energy-saving fan automatic control circuit |
-
2016
- 2016-11-18 CN CN201611015468.3A patent/CN106704221A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060001391A1 (en) * | 2004-06-30 | 2006-01-05 | Fujitsu Limited | Fan |
| CN101725556A (en) * | 2009-11-17 | 2010-06-09 | 暨南大学 | Multi-mode temperature control fan governor |
| CN101922462A (en) * | 2010-06-24 | 2010-12-22 | 潘冲 | Intelligent inductive electric fan |
| CN201786698U (en) * | 2010-07-23 | 2011-04-06 | 邱金和 | Electric fan structure with infrared detection function |
| CN202833238U (en) * | 2012-07-20 | 2013-03-27 | 霍树添 | Column type fan capable of detecting human body |
| CN103089682A (en) * | 2013-02-16 | 2013-05-08 | 姜秀坤 | Controller for intermittent operation of exhaust fan |
| CN204532926U (en) * | 2015-03-30 | 2015-08-05 | 赵泽 | A kind of energy-saving fan automatic control circuit |
Non-Patent Citations (1)
| Title |
|---|
| 陈有卿: "《实用灯光控制电路300例》", 28 February 2005, 中国电力出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469641A (en) * | 2018-12-08 | 2019-03-15 | 中山风之源电器实业有限公司 | A kind of Multifunctional fan electric machine controller |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |
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| WD01 | Invention patent application deemed withdrawn after publication |