CN205478481U - Low -cost anti -interference fan control circuit - Google Patents
Low -cost anti -interference fan control circuit Download PDFInfo
- Publication number
- CN205478481U CN205478481U CN201620098107.9U CN201620098107U CN205478481U CN 205478481 U CN205478481 U CN 205478481U CN 201620098107 U CN201620098107 U CN 201620098107U CN 205478481 U CN205478481 U CN 205478481U
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- transformator
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- Control Of Ac Motors In General (AREA)
Abstract
The utility model discloses a low -cost anti -interference fan control circuit, including chip IC1, adjustable electric capacity C1, potentiometre RP1 and diode D1, transformer W's winding N3 is connected to diode D1's positive pole, and diode D2's positive pole and transformer W's winding N2 are connected to transformer W's winding N3's the other end, and transformer W's winding N1's one end is connected transient voltage and is restrained diode DW and 220V alternating current, and transformer W's winding N1's one end is connected transient voltage and is restrained diode DW's the other end and the other end of 220V alternating current. The utility model discloses fan control circuit simple structure, components and parts are few, have increased undulant suppression component of commercial power and harmonic inhibiting module in the circuit, can conveniently adjust the rotational speed of fan through the potentiometre, can also simulate the natural wind simultaneously, so have that interference immunity is strong, the function is various and convenient to use's advantage.
Description
Technical field
This utility model relates to a kind of control circuit, specifically a kind of anti-interference fan control circuitry of low cost.
Background technology
Fan is to take cool a kind of electric equipment products summer.Its principle is to promote flabellum to rotate by electric drive, thus drives air circulation to produce natural wind.In life, modal fan is desk fan, slide fan and ceiling fan etc., the most common fan mostly is key switch and remote switch controls, but blower fan easily causes flu always, batch (-type) fan with natural wind can be good at natural wind simulating, therefore suffer from liking of people, but natural wind fan in the market mostly is the working method of original start, oneself cannot regulate intermittent time and blow-time, and existing fan governor is easily subject to the interference of civil power peak voltage and harmonic wave, affects its control accuracy.
Utility model content
The purpose of this utility model is to provide a kind of anti-interference fan control circuitry of low cost, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of anti-interference fan control circuitry of low cost，Including chip IC 1、Tunable capacitor C1、Potentiometer RP1 and diode D1，The winding N3 of the anode connection transformer W of described diode D1，The other end of the winding N3 of transformator W connects anode and the winding N2 of transformator W of diode D2，One end of the winding N1 of transformator W connects transient voltage suppressor diode DW and 220V alternating current，One end of the winding N1 of transformator W connects the other end and the other end of 220V alternating current of transient voltage suppressor diode DW，The negative electrode of diode D1 connects motor M，The other end of motor M connects the anode of unidirectional thyristor Q1，The negative electrode of diode D2 connects inductance L1，The other end of inductance L1 connects the sliding end of potentiometer RP1、Tunable capacitor C1、The pin 2 of chip IC 1 and the pin 6 of chip IC 1，One of potentiometer RP1 is fixing, and end connects resistance R2，The other end of resistance R2 connects the anode of diode D4，Another fixing end of potentiometer RP1 connects the negative electrode of diode D3，The anode of diode D3 connects the negative electrode of diode D4、The pin 7 of resistance R3 and chip IC 1，The other end of tunable capacitor C1 connects the other end of resistance R3、The negative electrode of unidirectional thyristor Q1 and the other end of the winding N3 of transformator W，The model of described chip IC 1 is NE555.
As preferred version of the present utility model: the model of described transient voltage suppressor diode DW is SMAJ9.0A.
Compared with prior art, the beneficial effects of the utility model are: this utility model fan control circuitry simple in construction, components and parts are few, add city's electro-mechanical wave straining element and harmonic rejection module in circuit, the rotating speed of fan can be conveniently regulated by potentiometer, simultaneously can also natural wind simulating, therefore there is strong interference immunity, diverse in function and advantage easy to use.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the anti-interference fan control circuitry of low cost.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，A kind of anti-interference fan control circuitry of low cost，Including chip IC 1、Tunable capacitor C1、Potentiometer RP1 and diode D1，The winding N3 of the anode connection transformer W of described diode D1，The other end of the winding N3 of transformator W connects anode and the winding N2 of transformator W of diode D2，One end of the winding N1 of transformator W connects transient voltage suppressor diode DW and 220V alternating current，One end of the winding N1 of transformator W connects the other end and the other end of 220V alternating current of transient voltage suppressor diode DW，The negative electrode of diode D1 connects motor M，The other end of motor M connects the anode of unidirectional thyristor Q1，The negative electrode of diode D2 connects inductance L1，The other end of inductance L1 connects the sliding end of potentiometer RP1、Tunable capacitor C1、The pin 2 of chip IC 1 and the pin 6 of chip IC 1，One of potentiometer RP1 is fixing, and end connects resistance R2，The other end of resistance R2 connects the anode of diode D4，Another fixing end of potentiometer RP1 connects the negative electrode of diode D3，The anode of diode D3 connects the negative electrode of diode D4、The pin 7 of resistance R3 and chip IC 1，The other end of tunable capacitor C1 connects the other end of resistance R3、The negative electrode of unidirectional thyristor Q1 and the other end of the winding N3 of transformator W，The model of described chip IC 1 is NE555.
The model of transient voltage suppressor diode DW is SMAJ9.0A.
Operation principle of the present utility model is: 220V line voltage is divided into two parts to export by after transformator W, a part powers to after diode D1 rectification fan M for high voltage, another part low-voltage is powered to control circuit after diode D2 rectification, transient voltage suppressor diode DW in circuit is for eliminating the peak voltage that city's electro-mechanical wave produces, inductance L1 disturbs for harmonic carcellation, after energising, controlled oscillator oscillatory work, from the 3 foot output some cycles of IC1, the continuously adjustable oscillation pulse signal of dutycycle, this pulse signal is utilized to go to control the conducting state of unidirectional thyristor Q1.The resistance of regulator potentiometer RP1, can change the dutycycle (range of accommodation is 1%-99%) of pulse signal, controls the height of fan motor M rotating speed, produces natural wind simulating (cycle is the fitful wind of 10s).Change the capacitance of C1, thus it is possible to vary the vibration Zhou Shuo of agitator, thus change the cycle of natural wind simulating.
Claims (2)
- null1. the anti-interference fan control circuitry of low cost，Including chip IC 1、Tunable capacitor C1、Potentiometer RP1 and diode D1，It is characterized in that，The winding N3 of the anode connection transformer W of described diode D1，The other end of the winding N3 of transformator W connects anode and the winding N2 of transformator W of diode D2，One end of the winding N1 of transformator W connects transient voltage suppressor diode DW and 220V alternating current，One end of the winding N1 of transformator W connects the other end and the other end of 220V alternating current of transient voltage suppressor diode DW，The negative electrode of diode D1 connects motor M，The other end of motor M connects the anode of unidirectional thyristor Q1，The negative electrode of diode D2 connects inductance L1，The other end of inductance L1 connects the sliding end of potentiometer RP1、Tunable capacitor C1、The pin 2 of chip IC 1 and the pin 6 of chip IC 1，One of potentiometer RP1 is fixing, and end connects resistance R2，The other end of resistance R2 connects the anode of diode D4，Another fixing end of potentiometer RP1 connects the negative electrode of diode D3，The anode of diode D3 connects the negative electrode of diode D4、The pin 7 of resistance R3 and chip IC 1，The other end of tunable capacitor C1 connects the other end of resistance R3、The negative electrode of unidirectional thyristor Q1 and the other end of the winding N3 of transformator W，The model of described chip IC 1 is NE555.
- A kind of anti-interference fan control circuitry of low cost the most according to claim 1, it is characterised in that the model of described transient voltage suppressor diode DW is SMAJ9.0A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620098107.9U CN205478481U (en) | 2016-02-01 | 2016-02-01 | Low -cost anti -interference fan control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620098107.9U CN205478481U (en) | 2016-02-01 | 2016-02-01 | Low -cost anti -interference fan control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478481U true CN205478481U (en) | 2016-08-17 |
Family
ID=56672833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620098107.9U Expired - Fee Related CN205478481U (en) | 2016-02-01 | 2016-02-01 | Low -cost anti -interference fan control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478481U (en) |
-
2016
- 2016-02-01 CN CN201620098107.9U patent/CN205478481U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20190201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |