CN203362573U - Natural wind simulation device of table electric fan - Google Patents
Natural wind simulation device of table electric fan Download PDFInfo
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- CN203362573U CN203362573U CN 201320434885 CN201320434885U CN203362573U CN 203362573 U CN203362573 U CN 203362573U CN 201320434885 CN201320434885 CN 201320434885 CN 201320434885 U CN201320434885 U CN 201320434885U CN 203362573 U CN203362573 U CN 203362573U
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- electric fan
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Abstract
The utility model provides a natural wind simulation device of a table electric fan. The natural wind simulation device is characterized by comprising a 220V alternating current power source, an alternating current voltage reduction circuit, a full-bridge rectifying circuit, a 12V direct current voltage stabilization and filter circuit, a pulse width modulation circuit, a duty ratio regulating circuit, a photocoupling power-driven circuit and the table electric fan. The selected type of a time-base circuit IC1 in the pulse width modulation circuit is NE555, and the selected type of a photoelectric coupler G1 in the photocoupling power-driven circuit is MOC3061. A common table electric fan only has the mechanical speed regulation function, and once the speed is selected, the common table electric fan can continuously run at the constant rotation speed. According to the natural wind simulation device, a two-way switch of the photoelectric coupler MOC3061 is controlled by the high electric level output by the pulse width modulation circuit to be turned on and off, accordingly, the table electric fan can run in an intermittent mode, and the effect that the natural wind is simulated through the table electric fan is achieved. The square wave output width is regulated, and the running time and the stopping time of the table electric fan can be adjusted.
Description
Technical field
The utility model belongs to the electron controls technology field, is about a kind of table fan natural wind simulation device.
Background technique
General table fan only has the mechanical speed governors function, once the table fan selected velocity will keep constant rotating speed not stop transport and turn always.In actual use, there are a lot of occasions to need the running of electric fan discontinuity, as: use the table fan cooling in summer, air-dry or the room ventilation of some article, need especially the electric fan can natural wind simulating, the one, need electric fan intermittent to turn round, the 2nd, electric fan can turn round for a long time and can not be burned motor.The utility model utilizes the high level of pulse-width modulation circuit output controlling two-way switch conducting or cut-off in photo coupler (MOC3061), thereby table fan can intermittent be turned round, and reaches the effect of table fan natural wind simulating.By regulating the width of square wave output, can adjust table fan running and the time stopped.
The circuit of table fan natural wind simulation device is all used the ordinary electronic components and parts, and fabricating cost only needs tens yuan, is well suited for developing in batches Multi-functional desk type electric fan for factory.
Below describe table fan natural wind simulation device described in the utility model related relevant technologies content in implementation process in detail.
The model utility content
Goal of the invention and beneficial effect: general table fan only has the mechanical speed governors function, once the table fan selected velocity will keep constant rotating speed not stop transport and turn always.In actual use, there are a lot of occasions to need the running of electric fan discontinuity, as: use the table fan cooling in summer, air-dry or the room ventilation of some article, need especially the electric fan can natural wind simulating, the one, need electric fan intermittent to turn round, the 2nd, electric fan can turn round for a long time and can not be burned motor.The utility model utilizes the high level of pulse-width modulation circuit output controlling two-way switch conducting or cut-off in photo coupler (MOC3061), thereby table fan can intermittent be turned round, and reaches the effect of table fan natural wind simulating.By regulating the width of square wave output, can adjust table fan running and the time stopped.
The circuit working principle: the pulse-width modulation circuit in table fan natural wind simulation device is that the circuit that adopts time base circuit NE555 to form completes, at time base circuit IC1(NE555) the 3rd pin output high period between, zero passage break-make type photo coupler, take a kind of electricity-light that light is the media transmission electrical signal-power conversion device as: photo coupler MOC3061, it is comprised of light emitting source and light receiver two-part.Light emitting source and light receiver are assembled in same closed shell, isolate with transparent insulator to each other.The pin of light emitting source is input end, and the pin of light receiver is output terminal, and light emitting source commonly used is light emitting diode, and light receiver is photodiode.As photo coupler G1(MOC3061) in after luminous source obtains the above forward current of 10mA, can make inner infrared light emitting diode emission infrared light, conducting when in zero passage break-make type photo coupler, photosensitive two-way switch makes 220V Ac zero passage, connect the entry into service of table fan power supply electric fan.During the 3rd pin output low level of time base circuit IC1, photo coupler G1(MOC3061) two-way switch in turn-offs, and table fan shuts down.
Linear potentiometer RP is controlling the charge and discharge time of capacitor C 2, thereby is controlling the dutycycle of PWM square wave, and the start-stop service cycle of table fan DFS can be controlled in the position of namely adjusting linear potentiometer RP movable end.
Photo coupler GI itself has certain power drive ability, and the utility model need not increase the power drive element, and its inner two-way switch can directly drive the running of table fan motor.Linear potentiometer RP is for regulating dutycycle, and in embodiment's circuit, the data of giving can allow table fan running time be 60 seconds, and electric fan shuts down 60 seconds.The value of change capacitor C 2 or the value of linear potentiometer RP can change the operation cycle of pulse-width modulation circuit.
Technological scheme: table fan natural wind simulation device, it comprises 220V ac power supply, Ac reduction voltage circuit and full bridge rectifier, 12V DC voltage-stabilizing and eliminator, pulse-width modulation circuit and duty ratio adjusting circuit, photoelectric coupling power driving circuit and table fan, it is characterized in that:
Pulse-width modulation circuit and duty ratio adjusting circuit: it is by time base circuit IC1, switching diode D1 and resistance R 1, linear potentiometer RP, resistance R 2 and switching diode D2, capacitor C 2 forms, the model that time base circuit IC1 selects is NE555, the anodal VCC of the 4th pin of time base circuit IC1 and the 8th pin connection circuit, the 2nd pin of time base circuit IC1 and the 6th pin connect the negative pole of switching diode D1, the positive pole of switching diode D1 is by the end of resistance R 1 wiring potentiometer RP, the 7th pin of the activity termination time base circuit IC1 of linear potentiometer RP, the other end of linear potentiometer RP connects the negative pole of switching diode D2 by resistance R 2, the positive pole of switching diode D2 connects the 6th pin of time base circuit IC1 and an end of the 2nd pin and capacitor C 2, the other end connection circuit ground GND of capacitor C 2,
The photoelectric coupling power driving circuit: it is comprised of time base circuit IC1, resistance R 3, photo coupler G1 and table fan, the model that photo coupler G1 selects is MOC3061, the 3rd pin of time base circuit IC1 connects the 1st pin of photo coupler G1 by resistance R 3, the 2nd pin connection circuit ground GND of photo coupler G1, the 6th pin of photo coupler G1 meets 220V ac power supply zero line side N, the 4th pin of photo coupler G1 connects an end of table fan, another termination 220V ac power supply live wire end L of table fan.
Ac reduction voltage circuit and full bridge rectifier: it is comprised of capacitor C 3, quenching resistor R4 and full-bridge rectification element QZ, the termination 220V ac power supply live wire end L of one end of capacitor C 3 and quenching resistor R4, one end of another termination full-bridge rectification element QZ Ac input end of the other end of capacitor C 3 and quenching resistor R4, another termination 220V ac power supply zero line side N of full-bridge rectification element QZ Ac input end, the just very circuit anode VCC of full-bridge rectification element QZ Ac output terminal, the negative pole connection circuit ground GND of full-bridge rectification element QZ output terminal.
12V DC voltage-stabilizing and eliminator: it is comprised of reference diode DW, electrochemical capacitor C1, the anodal VCC of the anodal connection circuit of the negative pole of reference diode DW and electrochemical capacitor C1, the negative pole connection circuit ground GND of the positive pole of reference diode DW and electrochemical capacitor C1.
The accompanying drawing explanation
Accompanying drawing 1 is embodiment's circuit working schematic diagram of table fan natural wind simulation device that the utility model provides.
Embodiment
According to table fan natural wind simulation device circuit fundamental diagram and the accompanying drawing explanation shown in accompanying drawing 1, and according to annexation between components and parts in the described each several part circuit of model utility content, and the components and parts technical parameter described in mode of execution requires and the circuit production main points are implemented to realize the utility model, below in conjunction with embodiment, correlation technique of the present utility model is further described.
The selection of components and parts and technical parameter thereof
| No. haoHAO, element number | The components and parts title | Model or technical order | Quantity | Remarks | |
| IC1 | Time base circuit | NE555, |
1 | Direct insertion 8 pins | |
| G1 | Photo coupler | MOC3061 | 1 | Zero passage break-make type | |
| QZ | The full-bridge | 1N4007 | 4 | Or 1A, 400V full-bridge | |
| D1、D2 | | 1N4148 | 2 | ||
| CW | Reference diode | 1W、 |
1 | ||
| RP | Linear potentiometer | 1W、 |
1 | ||
| R1 | |
1/4W、2.7 |
1 | ||
| R2 | |
1/4W、2.7 |
1 | ||
| R3 | |
1/4W、1.5 |
1 | ||
| R4 | Metal film resister | 1W、 |
1 | Hypotensive effect | |
| C1 | Electrochemical capacitor | 1000μF/ |
1 | Vertical | |
| C2 | Electric capacity | 0.1μF/ |
1 | Vertical | |
| C3 | Electric capacity | 0.68μF/ |
1 | Step-down, bleed off effect |
Circuit production main points and circuit debugging
Because of the circuit structure of table fan natural wind simulation device fairly simple, as long as the electronic parts and components performance of generally selecting is intact, and the components and parts annexation in accompanying drawing 1 is welded to specifications, physical connection line and welding quality are after careful inspection is correct, circuit of the present utility model does not need to carry out any debugging substantially, and connecting the 220V ac power supply can work;
If circuit need to be debugged, 3 partial circuits such as 12V DC voltage-stabilizing and eliminator, pulse-width modulation circuit and duty ratio adjusting circuit, photoelectric coupling power driving circuit can be debugged respectively.
Claims (3)
1. a table fan natural wind simulation device, it comprises 220V ac power supply, Ac reduction voltage circuit and full bridge rectifier, 12V DC voltage-stabilizing and eliminator, pulse-width modulation circuit and duty ratio adjusting circuit, photoelectric coupling power driving circuit and table fan, it is characterized in that:
Described pulse-width modulation circuit and duty ratio adjusting circuit: it is by time base circuit IC1, switching diode D1 and resistance R 1, linear potentiometer RP, resistance R 2 and switching diode D2, capacitor C 2 forms, the model that time base circuit IC1 selects is NE555, the anodal VCC of the 4th pin of time base circuit IC1 and the 8th pin connection circuit, the 2nd pin of time base circuit IC1 and the 6th pin connect the negative pole of switching diode D1, the positive pole of switching diode D1 is by the end of resistance R 1 wiring potentiometer RP, the 7th pin of the activity termination time base circuit IC1 of linear potentiometer RP, the other end of linear potentiometer RP connects the negative pole of switching diode D2 by resistance R 2, the positive pole of switching diode D2 connects the 6th pin of time base circuit IC1 and an end of the 2nd pin and capacitor C 2, the other end connection circuit ground GND of capacitor C 2,
Described photoelectric coupling power driving circuit: it is comprised of time base circuit IC1, resistance R 3, photo coupler G1 and table fan, the model that photo coupler G1 selects is MOC3061, the 3rd pin of time base circuit IC1 connects the 1st pin of photo coupler G1 by resistance R 3, the 2nd pin connection circuit ground GND of photo coupler G1, the 6th pin of photo coupler G1 meets 220V ac power supply zero line side N, the 4th pin of photo coupler G1 connects an end of table fan, another termination 220V ac power supply live wire end L of table fan.
2. table fan natural wind simulation device according to claim 1, it is characterized in that: Ac reduction voltage circuit and full bridge rectifier are by capacitor C 3, quenching resistor R4 and full-bridge rectification element QZ form, the termination 220V ac power supply live wire end L of one end of capacitor C 3 and quenching resistor R4, one end of another termination full-bridge rectification element QZ Ac input end of the other end of capacitor C 3 and quenching resistor R4, another termination 220V ac power supply zero line side N of full-bridge rectification element QZ Ac input end, the just very circuit anode VCC of full-bridge rectification element QZ output terminal, the negative pole connection circuit ground GND of full-bridge rectification element QZ output terminal.
3. table fan natural wind simulation device according to claim 1, it is characterized in that: 12V DC voltage-stabilizing and filtered electrical routing zener DW, electrochemical capacitor C1 form, the anodal VCC of the anodal connection circuit of the negative pole of reference diode DW and electrochemical capacitor C1, the negative pole connection circuit ground GND of the positive pole of reference diode DW and electrochemical capacitor C1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320434885 CN203362573U (en) | 2013-07-22 | 2013-07-22 | Natural wind simulation device of table electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320434885 CN203362573U (en) | 2013-07-22 | 2013-07-22 | Natural wind simulation device of table electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362573U true CN203362573U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320434885 Expired - Fee Related CN203362573U (en) | 2013-07-22 | 2013-07-22 | Natural wind simulation device of table electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203362573U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321928A (en) * | 2013-07-22 | 2013-09-25 | 何林 | Natural wind simulation device for table electric fan |
| CN108268062A (en) * | 2018-01-02 | 2018-07-10 | 陈炳华 | A kind of toilet exhaust fan control system |
| CN108836111A (en) * | 2018-06-26 | 2018-11-20 | 佛山市晨洲电气有限公司 | A kind of reliable electric kettle |
-
2013
- 2013-07-22 CN CN 201320434885 patent/CN203362573U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321928A (en) * | 2013-07-22 | 2013-09-25 | 何林 | Natural wind simulation device for table electric fan |
| CN108268062A (en) * | 2018-01-02 | 2018-07-10 | 陈炳华 | A kind of toilet exhaust fan control system |
| CN108836111A (en) * | 2018-06-26 | 2018-11-20 | 佛山市晨洲电气有限公司 | A kind of reliable electric kettle |
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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: 20131225 Termination date: 20140722 |
|
| EXPY | Termination of patent right or utility model |