CN205025800U - Low -cost anti -interference fan governor - Google Patents
Low -cost anti -interference fan governor Download PDFInfo
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- CN205025800U CN205025800U CN201520777341.XU CN201520777341U CN205025800U CN 205025800 U CN205025800 U CN 205025800U CN 201520777341 U CN201520777341 U CN 201520777341U CN 205025800 U CN205025800 U CN 205025800U
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- fan
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Abstract
The utility model discloses a low -cost anti -interference fan governor, including resistance R1, rectifier bridge T, chip IC2 summation potential ware RP1, resistance R1's one end connecting the fans A, electric capacity C1 and 220V alternating current, resistance R1's the other end connect electric capacity C1 the port 1 of the other end with arrangement bridge T, rectifier bridge T's port 2 connecting resistance R4, electric capacity C4, diode D3's negative pole, chip IC2's pin 4 and chip IC2's pin 8. The utility model discloses low -cost anti -interference fan governor simple structure, components and parts are few, use time -recorder chip and the anti -interference type intermittent control ware of optical coupler constitution to realize the intermittent control function to the fan, can make old -fashioned fan possess the control function of natural wind, and intermittence time is adjustable, consequently had convenient to use, the cost of manufacture is low and the strong advantage of interference immunity.
Description
Technical field
The utility model relates to a kind of fan governor, specifically the anti-interference fan governor of a kind of low cost.
Background technique
Cool a kind of electrical products got summer by fan.Its principle impels flabellum to rotate by electric drive, thus drive air circulation to produce natural wind.In life, modal fan is desk fan, slide fan and ceiling fan etc., fan common mostly in the market is key switch and teleswitch controls, but blowing fan easily causes flu always, intermittent type fan with natural wind can be good at natural wind simulating, therefore liking of people is subject to, some old-fashioned fans do not possess this function, therefore need to be improved.
Model utility content
The purpose of this utility model is to provide a kind of low cost anti-interference fan governor, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
The anti-interference fan governor of a kind of low cost, comprise resistance R1, rectifier bridge T, chip IC 2 and potentiometer RP1, one end of described resistance R1 connects fan A, electric capacity C1 and 220V Ac, the other end of resistance R1 connects the other end of electric capacity C1 and arranges the port one of bridge T, the port 2 contact resistance R4 of rectifier bridge T, electric capacity C4, the negative electrode of diode D3, the pin 4 of chip IC 2 and the pin 8 of chip IC 2, the port 3 of rectifier bridge T connects the pin 4 of chip IC1 and the other end of 220V Ac, the pin 3 of chip IC 1 connects the other end of fan A, the pin 1 contact resistance R2 of chip IC 1, the pin 2 of chip IC 1 connects electric capacity C2, electric capacity C3, electric capacity C4, the anode of diode D3, the pin 1 of chip IC 2 and the port 4 of rectifier bridge T, the other end of resistance R2 connects the pin 3 of chip IC2, the pin 5 of chip IC 2 connects the other end of electric capacity C2, the pin 7 contact resistance R3 of chip IC 2, the other end of the other end contact resistance R4 of resistance R3, the negative electrode of diode D1 and a fixed end of potentiometer RP1, the anode of diode D1 connects the anode of diode D2 and the sliding end of potentiometer RP1, the negative electrode of another fixed end link diode D2 of potentiometer RP1, the other end of electric capacity C3, the pin 2 of chip IC 2 and the pin 6 of chip IC 2, the model of described chip IC 1 is 4N25, the model of chip IC 2 is NE555.
As preferred version of the present utility model: described diode D3 is reference diode.
Compared with prior art, the beneficial effects of the utility model are: the utility model low cost anti-interference fan governor structure is simple, components and parts are few, use timer chip and optical coupler composition anti-interference type intermittent controller, thus the tapping mode function achieved fan, old-fashioned fan can be made to possess the controlling functions of natural wind, and the intermittent time is adjustable, therefore have easy to use, fabricating cost is low and the advantage of strong interference immunity.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the anti-interference fan governor of low cost.
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, the anti-interference fan governor of a kind of low cost, comprise resistance R1, rectifier bridge T, chip IC 2 and potentiometer RP1, one end of described resistance R1 connects fan A, electric capacity C1 and 220V Ac, the other end of resistance R1 connects the other end of electric capacity C1 and arranges the port one of bridge T, the port 2 contact resistance R4 of rectifier bridge T, electric capacity C4, the negative electrode of diode D3, the pin 4 of chip IC 2 and the pin 8 of chip IC 2, the port 3 of rectifier bridge T connects the pin 4 of chip IC1 and the other end of 220V Ac, the pin 3 of chip IC 1 connects the other end of fan A, the pin 1 contact resistance R2 of chip IC 1, the pin 2 of chip IC 1 connects electric capacity C2, electric capacity C3, electric capacity C4, the anode of diode D3, the pin 1 of chip IC 2 and the port 4 of rectifier bridge T, the other end of resistance R2 connects the pin 3 of chip IC2, the pin 5 of chip IC 2 connects the other end of electric capacity C2, the pin 7 contact resistance R3 of chip IC 2, the other end of the other end contact resistance R4 of resistance R3, the negative electrode of diode D1 and a fixed end of potentiometer RP1, the anode of diode D1 connects the anode of diode D2 and the sliding end of potentiometer RP1, the negative electrode of another fixed end link diode D2 of potentiometer RP1, the other end of electric capacity C3, the pin 2 of chip IC 2 and the pin 6 of chip IC 2, the model of described chip IC 1 is 4N25, the model of chip IC 2 is NE555.
Diode D3 is reference diode.
Working principle of the present utility model is: circuit chips IC2 and peripheral cell thereof are connected into the adjustable square-wave generator of dutycycle, and the resistance of regulator potentiometer RP1 can change dutycycle.Export between high period at 3 pin of NE555,1 pin of zero passage break-make type photo coupler IC1 obtains about 10mA forward operating current, inner silication gallium infrared light emitting diode is made to launch infrared light, by the conducting when civil power zero passage of photosensitive tube in chip IC 1, connect fan motor power supply, fan running is blown.During 3 pin output low levels of chip IC 2, the cut-off of chip IC 1 inside, fan A stall, diode D1 is reference diode, for the stable supply voltage being added in chip IC 2, increases the stability of circuit.
Claims (2)
1. the anti-interference fan governor of low cost, comprise resistance R1, rectifier bridge T, chip IC 2 and potentiometer RP1, it is characterized in that, one end of described resistance R1 connects fan A, electric capacity C1 and 220V Ac, the other end of resistance R1 connects the other end of electric capacity C1 and arranges the port one of bridge T, the port 2 contact resistance R4 of rectifier bridge T, electric capacity C4, the negative electrode of diode D3, the pin 4 of chip IC 2 and the pin 8 of chip IC 2, the port 3 of rectifier bridge T connects the pin 4 of chip IC1 and the other end of 220V Ac, the pin 3 of chip IC 1 connects the other end of fan A, the pin 1 contact resistance R2 of chip IC 1, the pin 2 of chip IC 1 connects electric capacity C2, electric capacity C3, electric capacity C4, the anode of diode D3, the pin 1 of chip IC 2 and the port 4 of rectifier bridge T, the other end of resistance R2 connects the pin 3 of chip IC2, the pin 5 of chip IC 2 connects the other end of electric capacity C2, the pin 7 contact resistance R3 of chip IC 2, the other end of the other end contact resistance R4 of resistance R3, the negative electrode of diode D1 and a fixed end of potentiometer RP1, the anode of diode D1 connects the anode of diode D2 and the sliding end of potentiometer RP1, the negative electrode of another fixed end link diode D2 of potentiometer RP1, the other end of electric capacity C3, the pin 2 of chip IC 2 and the pin 6 of chip IC 2, the model of described chip IC 1 is 4N25, the model of chip IC 2 is NE555.
2. the anti-interference fan governor of a kind of low cost according to claim 1, is characterized in that, described diode D3 is reference diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777341.XU CN205025800U (en) | 2015-10-09 | 2015-10-09 | Low -cost anti -interference fan governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777341.XU CN205025800U (en) | 2015-10-09 | 2015-10-09 | Low -cost anti -interference fan governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205025800U true CN205025800U (en) | 2016-02-10 |
Family
ID=55258338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777341.XU Expired - Fee Related CN205025800U (en) | 2015-10-09 | 2015-10-09 | Low -cost anti -interference fan governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205025800U (en) |
-
2015
- 2015-10-09 CN CN201520777341.XU patent/CN205025800U/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: 20160210 Termination date: 20161009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |