CN201928230U - Alternating-current fan driving circuit - Google Patents
Alternating-current fan driving circuit Download PDFInfo
- Publication number
- CN201928230U CN201928230U CN2010205901196U CN201020590119U CN201928230U CN 201928230 U CN201928230 U CN 201928230U CN 2010205901196 U CN2010205901196 U CN 2010205901196U CN 201020590119 U CN201020590119 U CN 201020590119U CN 201928230 U CN201928230 U CN 201928230U
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- China
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- alternating
- optocoupler
- current fan
- resistance
- pin
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- Expired - Fee Related
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- Control Of Ac Motors In General (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The utility model discloses an alternating-current fan driving circuit, which comprises a zero wire wiring terminal of an alternating-current fan and a live wire wiring terminal of the alternating-current fan. The zero wire wiring terminal is connected with a zero wire, the live wire wiring terminal CON2 is connected onto a rechargeable capacitor, the rechargeable capacitor controls charging and discharging processes via a bidirectional silicon controlled thyristor, the bidirectional silicon controlled thyristor triggers switch-on and switch-off processes via an optocoupler, and the optocoupler controls whether switch-on is realized or not via a control port. The alternating-current fan driving circuit realizes voltage regulation by the aid of charging and discharging of the rechargeable capacitor, accordingly controls rotation speed of an alternating-current fan motor, and is simple in circuit structure and convenient in use.
Description
Technical field
The utility model relates to a kind of application circuit, is specifically related to a kind of AC blower fan drive circuit.
Background technology
The drive circuit of AC blower fan is varied of a great variety, but most complex structure, the function complexity, and only need under the application scenario of function singleness at some, the blower fan that adopts the drive circuit of complicated circuit construction to finish simple function often drives function, and the one side cost can increase like this, in addition on the one hand, after circuit structure was in a single day complicated, its destabilizing factor was behind so just reducing product percent of pass virtually also increasing.
The utility model content
For overcoming deficiency of the prior art, the purpose of this utility model is to provide a kind of AC blower fan drive circuit simple in structure.
In order to solve the problems of the technologies described above, realize above-mentioned purpose, the utility model has adopted following technical scheme:
A kind of AC blower fan drives drive circuit, comprise the zero line terminals CON1 of an AC blower fan and the hot terminal CON2 of an AC blower fan, described zero line terminals CON1 is connected with zero line N, described hot terminal CON2 connects on the rechargeable capacity C1, described rechargeable capacity C1 connects live wire L by a resistance R 1, described resistance R 1 and live wire L link also are connected with the first anode of a two-way controllable silicon IC1, and the second plate of described bidirectional triode thyristor IC1 is connected on the link of described hot terminal CON2 and rechargeable capacity C1; The first anode of described bidirectional triode thyristor IC1 also connects a resistance R 2, and described resistance R 2 connects on first pin of an optocoupler IC2, and second pin of described optocoupler IC2 is connected the control of described bidirectional triode thyristor IC1 and extremely goes up; The 3rd pin of described optocoupler IC2 connects power supply, and the 4th pin of described optocoupler IC2 meets a control port P1.0 by a resistance R 3.
The course of work of AC blower fan drive circuit of the present utility model is as follows:
When described control port P1.0 mouth output signal, described optocoupler IC2 conducting, described live wire L triggers described bidirectional triode thyristor IC1 conducting through resistance R 2 and optocoupler IC2, when detecting zero point, turn-offs voluntarily described bidirectional triode thyristor IC1, rechargeable capacity C1 discharge this moment, when described bidirectional triode thyristor IC1 opens once more, this rechargeable capacity C1 charging.Carry out voltage-regulation through discharging and recharging of rechargeable capacity C1, thus control AC blower fan rotating speed of motor.
The utlity model has following advantage:
AC blower fan drive circuit of the present utility model simple in structure, easy to use.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the circuit theory diagrams of AC blower fan drive circuit of the present utility model.
Number in the figure explanation: 1, first pin, 2, second pin, the 3, the 3rd pin, the 4, the 4th pin.
Embodiment
Below in conjunction with drawings and Examples technology implementation process of the present utility model is described further.
Referring to shown in Figure 1, a kind of AC blower fan drives drive circuit, comprise the zero line terminals CON1 of an AC blower fan and the hot terminal CON2 of an AC blower fan, described zero line terminals CON1 is connected with zero line N, described hot terminal CON2 connects on the rechargeable capacity C1, described rechargeable capacity C1 connects live wire L by a resistance R 1, described resistance R 1 and live wire L link also are connected with the first anode of a two-way controllable silicon IC1, and the second plate of described bidirectional triode thyristor IC1 is connected on the link of described hot terminal CON2 and rechargeable capacity C1; The first anode of described bidirectional triode thyristor IC1 also connects a resistance R 2, and described resistance R 2 connects on first pin 1 of an optocoupler IC2, and second pin 2 of described optocoupler IC2 is connected the control of described bidirectional triode thyristor IC1 and extremely goes up; The 3rd pin 3 of described optocoupler IC2 connects power supply, and the 4th pin 4 of described optocoupler IC2 meets a control port P1.0 by a resistance R 3.
The foregoing description just is to allow the one of ordinary skilled in the art can understand content of the present utility model and enforcement according to this for technical conceive of the present utility model and characteristics being described, its objective is, can not limit protection range of the present utility model with this.The variation or the modification of every equivalence of having done according to the essence of the utility model content all should be encompassed in the protection range of the present utility model.
Claims (1)
1. an AC blower fan drives drive circuit, comprise the zero line terminals CON1 of an AC blower fan and the hot terminal CON2 of an AC blower fan, described zero line terminals CON1 is connected with zero line N, it is characterized in that: described hot terminal CON2 connects on the rechargeable capacity C1, described rechargeable capacity C1 connects live wire L by a resistance R 1, described resistance R 1 and live wire L link also are connected with the first anode of a two-way controllable silicon IC1, and the second plate of described bidirectional triode thyristor IC1 is connected on the link of described hot terminal CON2 and rechargeable capacity C1; The first anode of described bidirectional triode thyristor IC1 also connects a resistance R 2, and described resistance R 2 connects on first pin (1) of an optocoupler IC2, and second pin (2) of described optocoupler IC2 is connected the control of described bidirectional triode thyristor IC1 and extremely goes up; The 3rd pin (3) of described optocoupler IC2 connects power supply, and the 4th pin (4) of described optocoupler IC2 meets a control port P1.0 by a resistance R 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205901196U CN201928230U (en) | 2010-11-03 | 2010-11-03 | Alternating-current fan driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205901196U CN201928230U (en) | 2010-11-03 | 2010-11-03 | Alternating-current fan driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201928230U true CN201928230U (en) | 2011-08-10 |
Family
ID=44432064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205901196U Expired - Fee Related CN201928230U (en) | 2010-11-03 | 2010-11-03 | Alternating-current fan driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201928230U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006002A (en) * | 2010-11-03 | 2011-04-06 | 苏州合欣美电子科技有限公司 | Drive circuit of alternating current fan |
| CN104454617A (en) * | 2014-12-31 | 2015-03-25 | 四川长虹欣锐科技有限公司 | Multi-path alternating-current fan controller |
-
2010
- 2010-11-03 CN CN2010205901196U patent/CN201928230U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006002A (en) * | 2010-11-03 | 2011-04-06 | 苏州合欣美电子科技有限公司 | Drive circuit of alternating current fan |
| CN104454617A (en) * | 2014-12-31 | 2015-03-25 | 四川长虹欣锐科技有限公司 | Multi-path alternating-current fan controller |
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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: 20110810 Termination date: 20111103 |