CN204716582U - A kind of air bells exhauster - Google Patents
A kind of air bells exhauster Download PDFInfo
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- CN204716582U CN204716582U CN201520272990.4U CN201520272990U CN204716582U CN 204716582 U CN204716582 U CN 204716582U CN 201520272990 U CN201520272990 U CN 201520272990U CN 204716582 U CN204716582 U CN 204716582U
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Abstract
The utility model discloses a kind of air bells exhauster, comprise chip U1, rectifier bridge Q, transformer T, air bells exhauster M, relay J 1, relay J 2, potentiometer RP1, K switch and metal-oxide-semiconductor VS, air bells exhauster M two ends connect relay J 2 contact J2-1 and relay J 2 contact J2-2 respectively, the relay J 2 contact J2-1 the other end connects 220V Ac one end and K switch respectively, and the relay J 2 contact J2-2 the other end connects the 220V Ac the other end and transformer T coil L2 respectively.The public lavatory timing ventilating fan that the utility model provides, by using cheap chip U1 and some exterior electrical components, not only structure is simple, and make the cost of whole system lower, by changing the value of potentiometer RP1 and potentiometer RP2, the ventilating fan that timed interval is different can be produced, be applicable to the demand of various different client, long service life.
Description
Technical field
The utility model relates to a kind of electrical equipment, specifically a kind of air bells exhauster.
Background technique
In a lot of public lavatory, facility is very complete now, but the vent systems that but neither one is good, cause the link in public lavatory very severe, although there is ventilating fan in the public lavatory in some high-grade place, but ventilating fan is but at work, waste electric energy on the one hand always, cause ventilating fan service life reduction on the other hand.
Model utility content
The purpose of this utility model is to provide the air bells exhauster of a kind of circuit structure simply with timing 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 air bells exhauster, comprises chip U1, rectifier bridge Q, transformer T, air bells exhauster M, relay J 1, relay J 2, potentiometer RP1, K switch and metal-oxide-semiconductor VS, air bells exhauster M two ends connect relay J 2 contact J2-1 and relay J 2 contact J2-2 respectively, the relay J 2 contact J2-1 the other end connects 220V Ac one end and K switch respectively, the described relay J 2 contact J2-2 the other end connects the 220V Ac the other end and transformer T coil L2 respectively, the transformer T coil L2 the other end connecting valve K the other end, transformer T coil L1 two ends connect rectifier bridge Q pin 2 and pin 4 respectively, and rectifier bridge Q pin 1 connects electric capacity C4 respectively, resistance R4 and triode VT1 collector electrode, triode VT1 base stage connects diode D4 negative pole, and diode D4 positive pole connects the electric capacity C4 the other end respectively, the resistance R4 the other end, electric capacity C2, rectifier bridge Q pin 3, resistance R3, relay J 1 contact J1-2, relay J 1 coil, relay J 1 contact J1-1, electric capacity C1, electric capacity C3 and chip U1 pin 1, described triode VT1 emitter connects the electric capacity C2 the other end respectively, LED positive pole, relay J 2 coil, diode D2 negative pole, chip U1 pin 4 and chip U1 pin 8, the LED negative pole contact resistance R3 the other end, the relay J 2 coil the other end connects diode D2 positive pole and the relay J 1 contact J1-2 the other end respectively, and described chip U1 pin 3 connects diode D1 positive pole respectively, diode D3 negative pole and the relay J 1 coil the other end, chip U1 pin 2 connects potentiometer RP1 respectively, potentiometer RP1 slide plate, the G pole of metal-oxide-semiconductor VS, potentiometer RP2, potentiometer RP2 slide plate and electric capacity C3, the potentiometer RP2 the other end connects chip U1 pin 7 by resistance R1, and the described potentiometer RP1 the other end connects the S pole of metal-oxide-semiconductor VS, and the D pole of metal-oxide-semiconductor VS connects diode D1 negative pole.
As the utility model further scheme: described chip U1 model is NE555.
Compared with prior art, the beneficial effects of the utility model are: the public lavatory timing ventilating fan that the utility model provides, by using cheap chip U1 and some exterior electrical components, not only structure is simple, and make the cost of whole system lower, by changing the value of potentiometer RP1 and potentiometer RP2, the ventilating fan that timed interval is different can be produced, be applicable to the demand of various different client, long service life.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of air bells exhauster.
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 air bells exhauster, comprises chip U1, rectifier bridge Q, transformer T, air bells exhauster M, relay J 1, relay J 2, potentiometer RP1, K switch and metal-oxide-semiconductor VS, air bells exhauster M two ends connect relay J 2 contact J2-1 and relay J 2 contact J2-2 respectively, the relay J 2 contact J2-1 the other end connects 220V Ac one end and K switch respectively, the relay J 2 contact J2-2 the other end connects the 220V Ac the other end and transformer T coil L2 respectively, the transformer T coil L2 the other end connecting valve K the other end, transformer T coil L1 two ends connect rectifier bridge Q pin 2 and pin 4 respectively, and rectifier bridge Q pin 1 connects electric capacity C4 respectively, resistance R4 and triode VT1 collector electrode, triode VT1 base stage connects diode D4 negative pole, and diode D4 positive pole connects the electric capacity C4 the other end respectively, the resistance R4 the other end, electric capacity C2, rectifier bridge Q pin 3, resistance R3, relay J 1 contact J1-2, relay J 1 coil, relay J 1 contact J1-1, electric capacity C1, electric capacity C3 and chip U1 pin 1, described triode VT1 emitter connects the electric capacity C2 the other end respectively, LED positive pole, relay J 2 coil, diode D2 negative pole, chip U1 pin 4 and chip U1 pin 8, the LED negative pole contact resistance R3 the other end, the relay J 2 coil the other end connects diode D2 positive pole and the relay J 1 contact J1-2 the other end respectively, and described chip U1 pin 3 connects diode D1 positive pole respectively, diode D3 negative pole and the relay J 1 coil the other end, chip U1 pin 2 connects potentiometer RP1 respectively, potentiometer RP1 slide plate, the G pole of metal-oxide-semiconductor VS, potentiometer RP2, potentiometer RP2 slide plate and electric capacity C3, the potentiometer RP2 the other end connects chip U1 pin 7 by resistance R1, and the described potentiometer RP1 the other end connects the S pole of metal-oxide-semiconductor VS, and the D pole of metal-oxide-semiconductor VS connects diode D1 negative pole.
Chip U1 model is NE555.
Working principle of the present utility model is: refer to Fig. 1, chip U1, metal-oxide-semiconductor VS, potentiometer RP1, resistance R1 etc. form astable multivibrator, metal-oxide-semiconductor VS and potentiometer RP1 forms the [constant charged to electric capacity C1, substitute the general resistance used, there is charge rate constant, the linearity is good, the advantages such as long delay, when just switching on power, chip U1 set, relay J 1 adhesive, normally-closed contact J1-1 and J1-2 is disconnected, relay J 2 is failure to actuate, simultaneously, electric capacity C3 is charged to it by [constant, when the charging voltage on electric capacity C3 is more than 2/3 threshold level, chip U1 resets, relay J 1 discharges, J2 adhesive, air bells exhauster M obtains electric work, operating time depends on t discharge time of electric capacity C3 overpotential device RP2 and resistance R1 to chip U1 internal discharge pipe, t=1.1(RP2+R1) C3, when electric capacity C3 is discharged to 1/3 threshold level, chip U1 set again, relay J 1 adhesive, air bells exhauster M stall, thus go round and begin again air bells exhauster M is controlled.
Claims (2)
1. an air bells exhauster, comprises chip U1, rectifier bridge Q, transformer T, air bells exhauster M, relay J 1, relay J 2, potentiometer RP1, K switch and metal-oxide-semiconductor VS, it is characterized in that, air bells exhauster M two ends connect relay J 2 contact J2-1 and relay J 2 contact J2-2 respectively, the relay J 2 contact J2-1 the other end connects 220V Ac one end and K switch respectively, the described relay J 2 contact J2-2 the other end connects the 220V Ac the other end and transformer T coil L2 respectively, the transformer T coil L2 the other end connecting valve K the other end, transformer T coil L1 two ends connect rectifier bridge Q pin 2 and pin 4 respectively, and rectifier bridge Q pin 1 connects electric capacity C4 respectively, resistance R4 and triode VT1 collector electrode, triode VT1 base stage connects diode D4 negative pole, and diode D4 positive pole connects the electric capacity C4 the other end respectively, the resistance R4 the other end, electric capacity C2, rectifier bridge Q pin 3, resistance R3, relay J 1 contact J1-2, relay J 1 coil, relay J 1 contact J1-1, electric capacity C1, electric capacity C3 and chip U1 pin 1, described triode VT1 emitter connects the electric capacity C2 the other end respectively, LED positive pole, relay J 2 coil, diode D2 negative pole, chip U1 pin 4 and chip U1 pin 8, the LED negative pole contact resistance R3 the other end, the relay J 2 coil the other end connects diode D2 positive pole and the relay J 1 contact J1-2 the other end respectively, and described chip U1 pin 3 connects diode D1 positive pole respectively, diode D3 negative pole and the relay J 1 coil the other end, chip U1 pin 2 connects potentiometer RP1 respectively, potentiometer RP1 slide plate, the G pole of metal-oxide-semiconductor VS, potentiometer RP2, potentiometer RP2 slide plate and electric capacity C3, the potentiometer RP2 the other end connects chip U1 pin 7 by resistance R1, and the described potentiometer RP1 the other end connects the S pole of metal-oxide-semiconductor VS, and the D pole of metal-oxide-semiconductor VS connects diode D1 negative pole.
2. air bells exhauster according to claim 1, is characterized in that, described chip U1 model is NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272990.4U CN204716582U (en) | 2015-04-30 | 2015-04-30 | A kind of air bells exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272990.4U CN204716582U (en) | 2015-04-30 | 2015-04-30 | A kind of air bells exhauster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204716582U true CN204716582U (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520272990.4U Expired - Fee Related CN204716582U (en) | 2015-04-30 | 2015-04-30 | A kind of air bells exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204716582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730957A (en) * | 2016-11-29 | 2017-05-31 | 洛阳毅兴石化电器仪表设备有限公司 | A kind of chemical liquid stock enrichment facility |
-
2015
- 2015-04-30 CN CN201520272990.4U patent/CN204716582U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730957A (en) * | 2016-11-29 | 2017-05-31 | 洛阳毅兴石化电器仪表设备有限公司 | A kind of chemical liquid stock enrichment facility |
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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: 20151021 Termination date: 20160430 |