CN202612168U - Control circuit for electric fan intermittent work - Google Patents
Control circuit for electric fan intermittent work Download PDFInfo
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- CN202612168U CN202612168U CN 201220282305 CN201220282305U CN202612168U CN 202612168 U CN202612168 U CN 202612168U CN 201220282305 CN201220282305 CN 201220282305 CN 201220282305 U CN201220282305 U CN 201220282305U CN 202612168 U CN202612168 U CN 202612168U
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Abstract
The utility model provides a control circuit for an electric fan intermittent work. The control circuit comprises an AC-to-DC conversion circuit, a human-machine interaction unit, a timing circuit, a pulse generating circuit and a switch control circuit, wherein the AC-to-DC conversion circuit is used for converting the 220V alternating current into the direct current working voltage as required by the human-machine interaction unit, the timing circuit, the pulse generation circuit and the switch control circuit; the signal output end of the human-machine interaction unit is connected with the timing input end of the timing circuit; a timing time ending signal output via the timing circuit serves as an enable signal of the pulse generating circuit; the pulse output end of the pulse generating circuit is connected to the signal control end of the switch control circuit; and the output end of the switch control circuit is used for controlling an electric fan to open and stop. According to the control circuit for electric fan intermittent work, the control circuit can be used for setting the timing time; after the timing time is ended, the electric fan starts to work intermittently, therefore, people can be protected from getting a cold and cannot feel hot in the hot summer.
Description
Technical field
The utility model relates to a kind of electric fan control circuit.
Background technique
Electric fan is a kind of motoring flabellum rotation that utilizes, and reaches the household electric appliance that make air quicken circulation, is mainly used in cooling and heatstroke-eliminating and ventilating air.Be widely used in family, office, shop, hospital and hotels and other places.Existing electric fan is of a great variety, functional diversities: the time electronic controlled fan, only need set time of electric fan work, it will according to you setting, open on time, close on time; The acoustic control electric fan, this acoustic control electric fan that General Electric Apparatus Co.(U.S.A.) develops is equipped with the miniature electronic receiver, only needs to clap hands continuously 2 times in the place that is no more than 3 meters, and electric fan will turn round automatically; If clap hands continuously 3 times, electric fan is stall automatically again again; Cold air wind-powered electricity generation fan; Released the novel electric fan that a kind of fan combines with refrigerator on the European market; Its fan has a refrigerating core, in the center drum of movement mixing material is arranged, and places refrigerator to take out adapted after 3 hours this movement; Can blow out cold wind, give the sensation that cold air blows; The noiseless electric fan, this electric fan that does not almost have noise of MITSUBISHI's exploitation is equipped with special bird's wing shape blade; Can produce one whirling motion air-flow; And the employing direct current generator does not add protective housing, and use in the place that is well suited for microcomputer, word processor, duplicating machine; The lamp holder electric fan, this electric fan that is installed on the lamp holder of U.S. invention, small and exquisite, as long as there is the lamp holder that bulb is installed just can use, simple installation not only, and can save the energy; Four seasons electric fan, the electric fan that this four seasons that Germany produces can both be used is furnished with far infra-red heater and negative ion generator, can send summer and send hot blast in cool breeze, winter, send anionic wind throughout the year, has and send cool heating, purifies air the disease-prevention health effect; Fuzzy micro-control electric fan, this senior electric fan that Toshiba Corp releases is provided with near gale amounts such as strong, common, weak, can select best air-supply automatically according to the temperature and humidity of sensor determination.If someone runs into guard, also can stop operating automatically; The anti-finger electric fan of hindering, U.S. Robertson industrial group releases two kinds of novel fans, and a very important person finger is run into the outer cover of this electric fan, transmits an electrical pulsing signal will for its control system, electric fan is stopped operating, in order to avoid finger injuries; Small electric fan, when being applicable to that go out summer or not enjoying the cool instrument at one's side, this fan has again a lot, useful battery, charging, USB interface also is a kind of good tool in summer.
In the summer of sweltering heat, everybody should have such experience, and temperature begins to reduce in morning in the evening, if electric fan one is heading straight for, freezes flu easily; If electric fan is turned off, feel very hot again, also often waken up even can't fall asleep or fall asleep by heat.So just need electric fan to have so function: through setting timing, timing does not quit work to electric fan afterwards, but intermittent work.Such as, can set timing is 4 hours, suppose after 4 hours the people get into sleep and morning temperature begin to reduce, electric fan begins intermittent work; Such as work 6 minutes, stop 6 minutes, perhaps worked 9 minutes; Stop 9 minutes, perhaps worked 6 minutes, stop 12 minutes.Can guarantee like this: morning temperature begin to reduce and the people after getting into sleep, electric fan is not to work always, it is cold that the people neither can feel, also can sensible heat.But the electric fan of above introduction and all electric fans that occur in the market all do not have this function.
Summary of the invention
The purpose of the utility model is to provide a kind of control circuit that is used for the electric fan intermittent work, and this control circuit can be set timing, and after timing had arrived, electric fan began intermittent work.
In order to realize above purpose, the technological scheme that the utility model is taked is following:
A kind of control circuit that is used for the electric fan intermittent work comprises ac-dc converter circuit, man-machine interaction unit, time circuit, pulse-generating circuit and ON-OFF control circuit; Ac-dc converter circuit is used for converting the Ac of 220V to man-machine interaction unit, time circuit, pulse-generating circuit and ON-OFF control circuit required direct-current working volts; The signal output part of man-machine interaction unit connects the timing input end of time circuit; The timing end signal of time circuit output is as the enable signal of pulse-generating circuit; The pulse output end of pulse-generating circuit connects the SC sigmal control end of ON-OFF control circuit; An output terminal of ON-OFF control circuit connects phase line, and another output terminal connects terminal of fan motor coil, and another terminal of fan motor coil connect zero line.
Described time circuit and pulse-generating circuit are single-chip microcomputers.
Described ac-dc converter circuit comprises capacitor C 3, polar capacitor C4, resistance R 1, commutation diode VD5 and reference diode ZD; Resistance R 1 is parallelly connected with capacitor C 3; One end of resistance connects zero line; The other end of resistance connects the anode of reference diode ZD; The negative electrode of reference diode ZD connects the polar end of phase line and polar capacitor C4, and the other end of polar capacitor C4 connects the anode of commutation diode VD5, and the negative electrode of commutation diode VD5 connects the anode of reference diode ZD; The polar end of polar capacitor C4 is as the dc output end "+" of ac-dc converter circuit, and the other end of polar capacitor C4 is as the dc output end "-" of ac-dc converter circuit.
Described ON-OFF control circuit comprises triode Q1, resistance R 2, diode VD6 and relay J R; One end of resistance R 2 connects the base stage of triode Q1, and the other end of resistance R 2 is as the SC sigmal control end of ON-OFF control circuit; The emitter of triode Q1 meets VCC; The signal end of relay J R connects the collector electrode of triode Q1, another signal end ground connection of relay J R; The plus earth of diode VD6, negative electrode connects the collector electrode of triode Q1; The output terminal of relay J R connects phase line, and another output terminal connects terminal of fan motor coil, and another terminal of fan motor coil connect zero line.
Described ON-OFF control circuit comprises bidirectional thyristor Q and resistance R 7, and an end of resistance R 7 connects the control end of bidirectional thyristor, and the other end of resistance R 7 is as the SC sigmal control end of ON-OFF control circuit; The input end of bidirectional thyristor connects VCC and phase line simultaneously, and the output terminal of bidirectional thyristor connects terminal of fan motor coil, and another terminal of fan motor coil connect zero line.
Described man-machine interaction unit is used for the timing input of time circuit, and man-machine interaction unit can adopt the button input also can adopt the infrared remote control input.
Beneficial effect: a kind of control circuit that is used for the electric fan intermittent work that the utility model provides, this control circuit can be set timing, and after timing had arrived, electric fan began intermittent work.Electric fan has increased after this function, can guarantee the summer in sweltering heat, and people get into sleep and when morning, temperature began to reduce, neither can be frozen flu and also can not feel hot.
Description of drawings
Fig. 1 is the utility model circuit theory schematic block diagram.
Fig. 2 is the circuit theory diagrams of a kind of ac-dc converter circuit of the utility model.
Fig. 3 is the circuit theory diagrams of the another kind of ac-dc converter circuit of the utility model.
Fig. 4 is specific embodiment circuit theory diagrams of the utility model.
Fig. 5 is the circuit theory diagrams of the another kind of ON-OFF control circuit of the utility model.
Explain: " VCC " among Fig. 4 and Fig. 5 with " " be "+" and "-" among Fig. 2 and Fig. 3.
Embodiment
Fig. 1 is the utility model circuit theory schematic block diagram.
Fig. 2 is a kind of ac-dc converter circuit of the utility model.
Fig. 3 is the another kind of ac-dc converter circuit of the utility model.
Fig. 4 is a specific embodiment circuit of the utility model, does further description to Fig. 4 below.
Fig. 4 comprises man-machine interaction unit, time circuit, pulse-generating circuit and ON-OFF control circuit.The operating voltage VCC of Fig. 4 circuit is provided by Fig. 2 or Fig. 3 circuit.Time circuit and pulse-generating circuit adopt single chip computer AT 89S51 to realize.ON-OFF control circuit comprises bidirectional thyristor Q and resistance R 7, and an end of resistance R 7 connects the control end of bidirectional thyristor, and the other end of resistance R 7 is as the SC sigmal control end of ON-OFF control circuit; The input end of bidirectional thyristor connects VCC and phase line simultaneously, and the output terminal of bidirectional thyristor connects terminal of fan motor coil, and another terminal of fan motor coil connect zero line.Bidirectional thyristor Q is MAC97A6.Man-machine interaction unit is made up of button SW1, SW2, SW3, SW4 and light emitting diode D1, D2, D3, D4.The LED of single-chip microcomputer P2.7 and P2.6 is used to indicate timing to select, and the LED of monolithic P2.5 and P2.4 is used to indicate duty of ratio to select.Single-chip microcomputer P2.0 is used to control the control end of bidirectional thyristor Q.
Time circuit and pulse-generating circuit adopt the timer of single chip computer AT 89S51 to realize; Button SW1 and button SW2 are used to be provided with duty of ratio; The SW1 that pushes button representes the every work of fan motor 6 minutes; Stop 6 minutes, the SW2 that pushes button representes the every work of electric fan 6 minutes, stops 12 minutes.Button SW3 and SW4 are used to be provided with timing, press SW3 and represent that electric fan begins intermittent work after 1 hour, and the SW4 that pushes button representes that electric fan begins intermittent work after 3 hours.
If wanting to let electric fan work begin every work afterwards in 1 hour, the user stopped 6 minutes in 6 minutes, as long as push button SW1 and button SW3 so.Single-chip microcomputer produces external interrupt when pushing button, and in externally interrupting, the timing that a timer is set is 1 hour and starts this timer, another timer pulse width is set simultaneously.After timing arrived in 1 hour; Timer can produce interruption, in timer interrupts, starts another timer, lets this timer constantly produce pulse; With the control end of this pulse control bidirectional thyristor, thereby realized letting the purpose of electric fan intermittent work.
The working principle of the utility model roughly is described below: timing and electric fan intermittent time artificially are set, begin intermittent work such as electric fan after can being provided with 2 hours, the intermittent time also can be provided with; Such as electric fan work being set 6 minutes; Stop 12 minutes, and timing and intermittent time all are to realize through the timer of single-chip microcomputer, a timer is used for regularly; Another timer is used to produce pulse, and the pulse of generation is used for the work of electric fan and stops.
Fig. 5 is the another kind of ON-OFF control circuit of the utility model.
More than be an embodiment of the utility model; Be not limited to the utility model; Every spirit and principle (time circuit control impuls generation circuit at the utility model; Pulse-generating circuit control electric fan intermittent work) any modification, equivalents and the improvement etc. done within all should be within the protection domains of the utility model.
Claims (5)
1. a control circuit that is used for the electric fan intermittent work is characterized in that, comprises ac-dc converter circuit, man-machine interaction unit, time circuit, pulse-generating circuit and ON-OFF control circuit; Ac-dc converter circuit is used for converting the Ac of 220V to man-machine interaction unit, time circuit, pulse-generating circuit and ON-OFF control circuit required direct-current working volts; The signal output part of man-machine interaction unit connects the timing input end of time circuit; The timing end signal of time circuit output is as the enable signal of pulse-generating circuit; The pulse output end of pulse-generating circuit connects the SC sigmal control end of ON-OFF control circuit; An output terminal of ON-OFF control circuit connects phase line, and another output terminal connects terminal of fan motor coil, and another terminal of fan motor coil connect zero line.
2. the control circuit that is used for the electric fan intermittent work according to claim 1 is characterized in that, described time circuit and pulse-generating circuit are single-chip microcomputers.
3. the control circuit that is used for the electric fan intermittent work according to claim 1 is characterized in that, described ac-dc converter circuit comprises capacitor C 3, polar capacitor C4, resistance R 1, commutation diode VD5 and reference diode ZD; Resistance R 1 is parallelly connected with capacitor C 3, and an end of resistance connects zero line, and the other end of resistance connects the anode of reference diode ZD, and the negative electrode of reference diode ZD connects the polar end of phase line and polar capacitor C4; The other end of polar capacitor C4 connects the anode of commutation diode VD5, and the negative electrode of commutation diode VD5 connects the anode of reference diode ZD; The polar end of polar capacitor C4 is as the dc output end "+" of ac-dc converter circuit, and the other end of polar capacitor C4 is as the dc output end "-" of ac-dc converter circuit.
4. the control circuit that is used for the electric fan intermittent work according to claim 1 is characterized in that, described ON-OFF control circuit comprises triode Q1, resistance R 2, diode VD6 and relay J R; One end of resistance R 2 connects the base stage of triode Q1, and the other end of resistance R 2 is as the SC sigmal control end of ON-OFF control circuit; The emitter of triode Q1 meets VCC; The signal end of relay J R connects the collector electrode of triode Q1, another signal end ground connection of relay J R; The plus earth of diode VD6, negative electrode connects the collector electrode of triode Q1; The output terminal of relay J R connects phase line, and another output terminal connects terminal of fan motor coil, and another terminal of fan motor coil connect zero line.
5. the control circuit that is used for the electric fan intermittent work according to claim 1; It is characterized in that; Described ON-OFF control circuit comprises bidirectional thyristor Q and resistance R 7; One end of resistance R 7 connects the control end of bidirectional thyristor Q, and the other end of resistance R 7 is as the SC sigmal control end of ON-OFF control circuit; The input end of bidirectional thyristor connects VCC and phase line simultaneously, and the output terminal of bidirectional thyristor connects terminal of fan motor coil, and another terminal of fan motor coil connect zero line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282305 CN202612168U (en) | 2012-06-14 | 2012-06-14 | Control circuit for electric fan intermittent work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282305 CN202612168U (en) | 2012-06-14 | 2012-06-14 | Control circuit for electric fan intermittent work |
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| Publication Number | Publication Date |
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| CN202612168U true CN202612168U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220282305 Expired - Fee Related CN202612168U (en) | 2012-06-14 | 2012-06-14 | Control circuit for electric fan intermittent work |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750037A (en) * | 2017-11-07 | 2018-03-02 | 芯海科技（深圳）股份有限公司 | A kind of electret miaow head double-clicks acoustic control detection trigger circuit and method |
-
2012
- 2012-06-14 CN CN 201220282305 patent/CN202612168U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750037A (en) * | 2017-11-07 | 2018-03-02 | 芯海科技（深圳）股份有限公司 | A kind of electret miaow head double-clicks acoustic control detection trigger circuit and method |
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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: 20121219 Termination date: 20140614 |
|
| EXPY | Termination of patent right or utility model |