CN204878014U - Fan speed adjustment circuit - Google Patents
Fan speed adjustment circuit Download PDFInfo
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- CN204878014U CN204878014U CN201520590070.7U CN201520590070U CN204878014U CN 204878014 U CN204878014 U CN 204878014U CN 201520590070 U CN201520590070 U CN 201520590070U CN 204878014 U CN204878014 U CN 204878014U
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Abstract
The utility model discloses a fan speed adjustment circuit, including chip IC1, resistance R1, opto -coupler IC2, electric capacity C1, rectifier bridge Q, bidirectional thyristor VS and fan motor M, 1 difference connecting resistance R5 and electric capacity C1 of rectifier bridge Q pin, the electric capacity C1 other end, 220V alternating current other end summation potential ware RP are connected respectively to the resistance R5 other end, and potentiometre RP gleitbretter and fan motor M one end are connected respectively to the potentiometre RP other end. The utility model discloses fan speed adjustment circuit is exactly an ordinary speed governing fan when switch S is closed, regulator potentiometer RP can adjust the fan motor M rotational speed, when switch S opens, simulation natural wind function has just been opened, the change of little -endian again of fan motor M speed big -endian, and the in -process at the simulation natural wind, the fan motor M restart that can not cut off the power supply completely, the frequent cold and hot problem that fan motor life is short that causes that starts has in turn effectively been prevented, simple structure of the circuit, low cost, especially adapted using widely.
Description
Technical field
The utility model relates to a kind of fan, specifically a kind of speed regulation circuit for fan.
Background technique
Along with the lifting of people's living standard, air-conditioning uses very general, and traditional fan also must be reformed and could occupy a tiny space in the market.
Model utility content
The purpose of this utility model is to provide a kind of speed regulation circuit for fan with natural wind simulating function, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of speed regulation circuit for fan, comprises chip IC 1, resistance R1, optocoupler IC2, electric capacity C1, rectifier bridge Q, bidirectional triode thyristor VS and fan electromotor M, described rectifier bridge Q pin 1 respectively contact resistance R5 and electric capacity C1, the resistance R5 the other end connects the electric capacity C1 the other end respectively, the 220V Ac the other end and potentiometer RP, the potentiometer RP the other end connects potentiometer RP slide plate and fan electromotor M one end respectively, and the fan electromotor M the other end is contact resistance R3 respectively, the T1 pole of switch S and bidirectional triode thyristor VS, the T2 pole of bidirectional triode thyristor VS connects rectifier bridge Q pin 3 respectively, the switch S the other end and the 220V Ac the other end, the G pole of bidirectional triode thyristor VS connects optocoupler IC2 pin 3, the optocoupler IC2 pin 4 contact resistance R3 the other end, optocoupler IC2 pin 2 contact resistance R4, the resistance R4 the other end connects electric capacity C4 and diode VD5 negative pole respectively, diode VD5 negative pole connects chip IC1 pin 3, the electric capacity C4 the other end and connects optocoupler IC2 pin 2 respectively, chip IC 1 pin 1, electric capacity C3, diode VDW positive pole, electric capacity C2 and rectifier bridge Q pin 4 also ground connection, the electric capacity C3 the other end connects chip IC1 pin 2 respectively, chip IC 1 pin 6 and resistance R2, the resistance R2 the other end respectively contact resistance R1 and chip IC 1 pin 7, the resistance R1 the other end connects chip IC1 pin 4 respectively, chip IC 1 pin 8, diode VDW negative pole, the electric capacity C2 the other end and rectifier bridge Q pin 2, described chip IC 1 model is NE555, and described optocoupler IC2 adopts MOC3020.
As further program of the utility model: described diode VDW is reference diode.
As the utility model further scheme: described diode VD5 is 1N4007.
Compared with prior art, the beneficial effects of the utility model are: the utility model speed regulation circuit for fan is exactly a common speed-regulating fan when switch S closes, regulator potentiometer RP and adjustable fan electromotor M rotating speed, when the switch s is opened, just open natural wind simulating function, the descending change ascending again of fan electromotor M speed, and in the process of natural wind simulating, fan electromotor M can not restart completely in power-off, effectively prevent frequently colds and heat succeed each other starts short problem in fan electromotor working life of causing, circuit structure is simple, cost is low, be applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of speed regulation circuit for fan.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of speed regulation circuit for fan, comprises chip IC 1, resistance R1, optocoupler IC2, electric capacity C1, rectifier bridge Q, bidirectional triode thyristor VS and fan electromotor M, rectifier bridge Q pin 1 respectively contact resistance R5 and electric capacity C1, the resistance R5 the other end connects the electric capacity C1 the other end respectively, the 220V Ac the other end and potentiometer RP, the potentiometer RP the other end connects potentiometer RP slide plate and fan electromotor M one end respectively, and the fan electromotor M the other end is contact resistance R3 respectively, the T1 pole of switch S and bidirectional triode thyristor VS, the T2 pole of bidirectional triode thyristor VS connects rectifier bridge Q pin 3 respectively, the switch S the other end and the 220V Ac the other end, the G pole of bidirectional triode thyristor VS connects optocoupler IC2 pin 3, the optocoupler IC2 pin 4 contact resistance R3 the other end, optocoupler IC2 pin 2 contact resistance R4, the resistance R4 the other end connects electric capacity C4 and diode VD5 negative pole respectively, diode VD5 negative pole connects chip IC1 pin 3, the electric capacity C4 the other end and connects optocoupler IC2 pin 2 respectively, chip IC 1 pin 1, electric capacity C3, diode VDW positive pole, electric capacity C2 and rectifier bridge Q pin 4 also ground connection, the electric capacity C3 the other end connects chip IC1 pin 2 respectively, chip IC 1 pin 6 and resistance R2, the resistance R2 the other end respectively contact resistance R1 and chip IC 1 pin 7, the resistance R1 the other end connects chip IC1 pin 4 respectively, chip IC 1 pin 8, diode VDW negative pole, the electric capacity C2 the other end and rectifier bridge Q pin 2, described chip IC 1 model is NE555, and described optocoupler IC2 adopts MOC3020.
Diode VDW is reference diode.
Diode VD5 is 1N4007.
Working principle of the present utility model is: refer to Fig. 1, when switch S is opened, 220V civil power is by C1 step-down, rectifier bridge Q rectification, VDW voltage stabilizing, the working power of 12V VDC as controller is obtained after C2 filtering, chip IC 1 and R1, R2, C3 etc. form a ultralow frequency square-wave oscillator, when 3 pin of IC1 export positive half-wave, VD5 conducting, in optocoupler IC2, luminotron tube is luminous, photosensitive thyristor conducting, and trigger power bidirectional triode thyristor VS is open-minded, fan electromotor M works, when 3 pin of IC1 export negative half-wave, VD5 ends, at this moment, the electric capacity C4 of electricity is filled with to luminotron tube electric discharge in IC2 during 3 pin positive half-wave because of IC1, make its luminous diminuendo, photosensitive thyristor and power scr conduction amount gradually little, show as fan electromotor M rotating speed from fast to slow, when fan electromotor M gradually stops slowly and not yet, IC1 next cycle positive half-wave arrives again, fan electromotor M accelerates again to rotate, so move in circles, fan electromotor M works all the time between acceleration and deceleration, it is exactly a simple manual governing circuit when switch S closes.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (3)
1. a speed regulation circuit for fan, comprises chip IC 1, resistance R1, optocoupler IC2, electric capacity C1, rectifier bridge Q, bidirectional triode thyristor VS and fan electromotor M, is characterized in that, described rectifier bridge Q pin 1 respectively contact resistance R5 and electric capacity C1, the resistance R5 the other end connects the electric capacity C1 the other end respectively, the 220V Ac the other end and potentiometer RP, the potentiometer RP the other end connects potentiometer RP slide plate and fan electromotor M one end respectively, and the fan electromotor M the other end is contact resistance R3 respectively, the T1 pole of switch S and bidirectional triode thyristor VS, the T2 pole of bidirectional triode thyristor VS connects rectifier bridge Q pin 3 respectively, the switch S the other end and the 220V Ac the other end, the G pole of bidirectional triode thyristor VS connects optocoupler IC2 pin 3, the optocoupler IC2 pin 4 contact resistance R3 the other end, optocoupler IC2 pin 2 contact resistance R4, the resistance R4 the other end connects electric capacity C4 and diode VD5 negative pole respectively, diode VD5 negative pole connects chip IC1 pin 3, the electric capacity C4 the other end and connects optocoupler IC2 pin 2 respectively, chip IC 1 pin 1, electric capacity C3, diode VDW positive pole, electric capacity C2 and rectifier bridge Q pin 4 also ground connection, the electric capacity C3 the other end connects chip IC1 pin 2 respectively, chip IC 1 pin 6 and resistance R2, the resistance R2 the other end respectively contact resistance R1 and chip IC 1 pin 7, the resistance R1 the other end connects chip IC1 pin 4 respectively, chip IC 1 pin 8, diode VDW negative pole, the electric capacity C2 the other end and rectifier bridge Q pin 2, described chip IC 1 model is NE555, and described optocoupler IC2 adopts MOC3020.
2. speed regulation circuit for fan according to claim 1, is characterized in that, described diode VDW is reference diode.
3. speed regulation circuit for fan according to claim 1, is characterized in that, described diode VD5 is 1N4007.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590070.7U CN204878014U (en) | 2015-08-07 | 2015-08-07 | Fan speed adjustment circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590070.7U CN204878014U (en) | 2015-08-07 | 2015-08-07 | Fan speed adjustment circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878014U true CN204878014U (en) | 2015-12-16 |
Family
ID=54822393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520590070.7U Expired - Fee Related CN204878014U (en) | 2015-08-07 | 2015-08-07 | Fan speed adjustment circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204878014U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286349A (en) * | 2016-10-20 | 2017-01-04 | 桂林大创科技有限公司 | A kind of fan and driving control circuit thereof |
| CN106351860A (en) * | 2016-10-28 | 2017-01-25 | 桂林大创科技有限公司 | Household fan and controller thereof |
| CN106382244A (en) * | 2016-11-04 | 2017-02-08 | 广西大学 | Control circuit of fan simulating natural wind |
| CN113250984A (en) * | 2017-09-29 | 2021-08-13 | 爱丽思欧雅玛株式会社 | Circulator |
-
2015
- 2015-08-07 CN CN201520590070.7U patent/CN204878014U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286349A (en) * | 2016-10-20 | 2017-01-04 | 桂林大创科技有限公司 | A kind of fan and driving control circuit thereof |
| CN106351860A (en) * | 2016-10-28 | 2017-01-25 | 桂林大创科技有限公司 | Household fan and controller thereof |
| CN106382244A (en) * | 2016-11-04 | 2017-02-08 | 广西大学 | Control circuit of fan simulating natural wind |
| CN113250984A (en) * | 2017-09-29 | 2021-08-13 | 爱丽思欧雅玛株式会社 | Circulator |
| CN113250984B (en) * | 2017-09-29 | 2023-12-19 | 爱丽思欧雅玛株式会社 | Circulator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160807 |