CN203968089U - A kind of spaced switch circuit of communal bathroom automatic air-exchanging - Google Patents
A kind of spaced switch circuit of communal bathroom automatic air-exchanging Download PDFInfo
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- CN203968089U CN203968089U CN201420432301.7U CN201420432301U CN203968089U CN 203968089 U CN203968089 U CN 203968089U CN 201420432301 U CN201420432301 U CN 201420432301U CN 203968089 U CN203968089 U CN 203968089U
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Abstract
A kind of spaced switch circuit of communal bathroom automatic air-exchanging, relate to a kind of automatic switching circuit, by interface, rectification integrated package, dropping resistor, filtering capacitor, voltage stabilizing didoe, timing resistor, time capacitor, discharge diode, not gate a, not gate b, time delay resistance, delay capacitor, not gate c, drive resistance and one-way SCR composition, the crus secunda of timing resistor is connected to the positive pole of time capacitor, the input of not gate a and the anode of discharge diode, the output of not gate a is connected to the input of not gate b, the output of not gate b is connected to the first pin of time delay resistance and drives the first pin of resistance, the crus secunda of time delay resistance is connected to the positive pole of delay capacitor and the input of not gate c, the output of not gate c is connected to the negative electrode of discharge diode, drive the crus secunda of resistance to be connected to the control utmost point of one-way SCR.The utility model carries out communal bathroom ventilation with interval start-up mode, makes to save electric energy and extends ventilating fan useful life.
Description
Technical field
The utility model relates to electronic circuit, specially refers to a kind of automatic switching circuit.
Background technology
There is communal bathroom in the places such as station, harbour, airport, office building, hospital, market; many communal bathrooms that can not natural draft need often ventilation; to get rid of peculiar smell and to improve air quality; adopting manual control switch's ventilating fan to take a breath is conventional method, but manual operation often can cause that peculiar smell in toilet is unpleasant or cause waste of energy because not opening or closing in time ventilating fan.
Utility model content
The purpose of this utility model is the spaced switch circuit that a kind of communal bathroom automatic air-exchanging will be provided, ventilating fan was opened automatically by the interval time of setting, then time delay certain hour is closed automatically, realize communal bathroom automatic air-exchanging, make communal bathroom can get rid of in time peculiar smell, keep pure and fresh air.
The spaced switch circuit of a kind of communal bathroom automatic air-exchanging of the present utility model, is characterized in that electric routing interface a(1), interface b(2), rectification integrated package (IC1), isolating diode (V1), dropping resistor (R1), filtering capacitor (C1), voltage stabilizing didoe (V2), timing resistor (R2), time capacitor (C2), discharge diode (V3), not gate a(IC2), not gate b(IC3), time delay resistance (R4), delay capacitor (C3), not gate c(IC4), drive resistance (R5) and one-way SCR (VS) composition, wherein: two inputs of rectification integrated package (IC1) are connected respectively to interface a(1) and interface b(2), the positive pole of rectification integrated package (IC1) is connected to the anode of isolating diode (V1) and the anode of one-way SCR (VS), the negative electrode of isolating diode (V1) is connected to the first pin of dropping resistor (R1), after the crus secunda of dropping resistor (R1) is connected with the positive pole of filtering capacitor (C1) and the negative electrode of voltage stabilizing didoe (V2), form working power (V+), after the negative pole of the negative pole of rectification integrated package (IC1) and filtering capacitor (C1) and the anodic bonding of voltage stabilizing didoe (V2), form ground wire, the first pin of timing resistor (R2) is connected to working power (V+), the crus secunda of timing resistor (R2) is connected to the positive pole of time capacitor (C2), not gate a(IC2) input and the anode of discharge diode (V3), the negative pole of time capacitor (C2) is connected to ground wire, not gate a(IC2) output be connected to not gate b(IC3) input, not gate b(IC3) output be connected to time delay resistance (R4) the first pin and drive resistance (R5) the first pin, the crus secunda of time delay resistance (R4) is connected to positive pole and the not gate c(IC4 of delay capacitor (C3)) input, the negative pole of delay capacitor (C3) is connected to ground wire, not gate c(IC4) output be connected to the negative electrode of discharge diode (V3), drive the crus secunda of resistance (R5) to be connected to the control utmost point of one-way SCR (VS), the negative electrode of one-way SCR (VS) is connected to ground wire.
In the utility model, at not gate c(IC4) output and the negative electrode of discharge diode (V3) between have buffer resistance (R3); In circuit, have not gate d(IC5), not gate e(IC6) and not gate f(IC7), when there is not gate d(IC5 in circuit), not gate e(IC6) and not gate f(IC7) time, not gate b(IC3) output be connected to the first pin and the not gate d(IC5 of time delay resistance (R4)) input, not gate d(IC5) output be connected to not gate e(IC6) input and not gate f(IC7) input, not gate e(IC6) output and not gate f(IC7) output be connected to drive resistance (R5) the first pin; The external load of circuit has the motor winding of ventilating fan (M); The external circuit of circuit has the phase line (L) of power supply and the zero line (N) of power supply; The interface a(1 of circuit) be connected to the phase line (L) of power supply, the interface b(2 of circuit) be connected to the zero line (N) of power supply by the motor winding of ventilating fan (M); Not gate a(IC2), not gate b(IC3), not gate c(IC4), not gate d(IC5), not gate e(IC6) and not gate f(IC7) share six ungated integrated circuits, the power end of six ungated integrated circuits is connected to working power (V+), and the earth terminal of six ungated integrated circuits is connected to ground wire.
When above-mentioned utility model is applied, switching circuit is arranged on circuit board, and circuit board is arranged in switch enclosure, and circuit of the present utility model and ventilating fan are connected on the power circuit of 220V with series system.When circuit working of the present utility model, working power (V+) is charged to time capacitor (C2) by timing resistor (R2), through 1-2 hour, voltage on time capacitor (C2) reaches the voltage of 2/3 working power (V+), not gate a(IC2) input be high level, not gate a(IC2) output and not gate b(IC3) input be low level, make not gate b(IC3) output be reversed to high level, not gate b(IC3) high level of output is input to not gate d(IC5) input, make not gate d(IC5) output, not gate e(IC6) input and not gate f(IC7) input be low level, not gate e(IC6) output and not gate f(IC7) output be reversed to high level, one-way SCR (VS) conducting, ventilating fan (M) energising operation, outdoor the Bas Discharged in communal bathroom, fresh air just supplements naturally into communal bathroom, realize automatic air-exchanging, at not gate b(IC3) output while being reversed to high level, high level charges to delay capacitor (C3) by time delay resistance (R4), through 10-20 minute, voltage on delay capacitor (C3) reaches the voltage of 2/3 working power (V+), not gate c(IC4) input be high level, make not gate c(IC4) output be reversed to low level, voltage on time capacitor (C2) by discharge diode (V3) and buffer resistance (R3) to not gate c(IC4) output discharge, make not gate a(IC2) input be low level, not gate b(IC3) output be reversed to low level, one-way SCR (VS) cut-off, ventilating fan (M) power-off stops.Afterwards, working power (V+) is charged to time capacitor (C2) by timing resistor (R2) again, repeat said process, realize at interval of 1-2 hour to communal bathroom automatic air-exchanging once, each time of exchanging gas is 10-20 minute, to eliminate the peculiar smell in communal bathroom and to keep pure and fresh air.
In above-mentioned utility model, be 1-2 hour by determining that the resistance of timing resistor (R2) and the capacitance of time capacitor (C2) are come the interval of ventilating fan (M) start set of time; Be 10-20 minute by determining that the resistance of time delay resistance (R4) and the capacitance of delay capacitor (C3) are come the delay switching-off set of time of ventilating fan (M), interval available machine time and delay switching-off time press t=0.693RC and determine.
The utility model is applied six ungated integrated circuits and is processed and available machine time in control interval and delay switching-off time, the model of selecting of six ungated integrated circuits is the digital integrated circuit of the CMOS of CC4069, cmos digital integrated circuit is a kind of desirable micropower circuit, interface circuit is simple, make the simple circuit of composition, and reliable operation.The strong anti-interference performance of the digital integrated circuit of CMOS, input impedance is high, is generally 10
8Ω, therefore, in timing circuit, the resistance of its timing resistor and the capacitance of time capacitor can be selected enough large, to meet the requirement of long delay.
The beneficial effects of the utility model are: the spaced switch circuit of a kind of communal bathroom automatic air-exchanging providing, make ventilating fan by Auto Power On interval time of setting, then time delay certain hour automatic shutdown, realize communal bathroom automatic air-exchanging, make communal bathroom can get rid of in time peculiar smell, keep pure and fresh air.The utility model carries out communal bathroom ventilation with interval start-up mode, makes to save electric energy and extends ventilating fan useful life.
Brief description of the drawings
Accompanying drawing 1 is the spaced switch circuit diagram of a kind of communal bathroom automatic air-exchanging of the present utility model.
In figure: 1. interface a, 2. interface b, R1. dropping resistor, R2. timing resistor, R3. buffer resistance, R4. time delay resistance, R5. drive resistance, C1. filtering capacitor, C2. time capacitor, C3. delay capacitor, V1. isolating diode, V2. voltage stabilizing didoe, V3. discharge diode, VS. one-way SCR, V+. working power, IC1. rectification integrated package, IC2. not gate a, IC3. not gate b, IC4. not gate c, IC5. not gate d, IC6. not gate e, IC7. not gate f, M. ventilating fan, L. the phase line of power supply, the zero line of N. power supply.
Embodiment
embodimentin execution mode shown in accompanying drawing 1, a kind of spaced switch electricity routing interface a(1 of communal bathroom automatic air-exchanging), interface b(2), rectification integrated package (IC1), isolating diode (V1), dropping resistor (R1), filtering capacitor (C1), voltage stabilizing didoe (V2), timing resistor (R2), time capacitor (C2), not gate a(IC2), not gate b(IC3), time delay resistance (R4), delay capacitor (C3), not gate c(IC4), discharge diode (V3), buffer resistance (R3), not gate d(IC5), not gate e(IC6), not gate f(IC7), drive resistance (R5) and one-way SCR (VS) composition, wherein: two inputs of rectification integrated package (IC1) are connected respectively to interface a(1) and interface b(2), the positive pole of rectification integrated package (IC1) is connected to the anode of isolating diode (V1) and the anode of one-way SCR (VS), the negative electrode of isolating diode (V1) is connected to the first pin of dropping resistor (R1), after the crus secunda of dropping resistor (R1) is connected with the positive pole of filtering capacitor (C1) and the negative electrode of voltage stabilizing didoe (V2), form working power (V+), after the negative pole of the negative pole of rectification integrated package (IC1) and filtering capacitor (C1) and the anodic bonding of voltage stabilizing didoe (V2), form ground wire, the first pin of timing resistor (R2) is connected to working power (V+), the crus secunda of timing resistor (R2) is connected to the positive pole of time capacitor (C2), not gate a(IC2) input and the anode of discharge diode (V3), the negative pole of time capacitor (C2) is connected to ground wire, not gate a(IC2) output be connected to not gate b(IC3) input, not gate b(IC3) output be connected to the first pin and the not gate d(IC5 of time delay resistance (R4)) input, the crus secunda of time delay resistance (R4) is connected to positive pole and the not gate c(IC4 of delay capacitor (C3)) input, the negative pole of delay capacitor (C3) is connected to ground wire, not gate c(IC4) output be connected to the negative electrode of discharge diode (V3) by buffer resistance (R3), not gate d(IC5) output be connected to not gate e(IC6) input and not gate f(IC7) input, not gate e(IC6) output and not gate f(IC7) output be connected to drive resistance (R5) the first pin, drive the crus secunda of resistance (R5) to be connected to the control utmost point of one-way SCR (VS), the negative electrode of one-way SCR (VS) is connected to ground wire.In the present embodiment, the external load of circuit has the motor winding of ventilating fan (M), the external circuit of circuit has the phase line (L) of power supply and the zero line (N) of power supply, the interface a(1 of circuit) be connected to the phase line (L) of power supply, the interface b(2 of circuit) be connected to the zero line (N) of power supply by the motor winding of ventilating fan (M); Not gate a(IC2), not gate b(IC3), not gate c(IC4), not gate d(IC5), not gate e(IC6) and not gate f(IC7) share six ungated integrated circuits, the model of selecting of six ungated integrated circuits is the digital integrated circuit of the CMOS of CC4069, the power end of digital integrated circuit is connected to working power (V+), and the earth terminal of digital integrated circuit is connected to ground wire.
In the above embodiments, be 1-2 hour by determining that the resistance of timing resistor (R2) and the capacitance of time capacitor (C2) are come the interval of ventilating fan (M) start set of time; Be 10-20 minute by determining that the resistance of time delay resistance (R4) and the capacitance of delay capacitor (C3) are come the delay switching-off set of time of ventilating fan (M), interval available machine time and delay switching-off time press t=0.693RC and determine.
When the above embodiments application, switching circuit is arranged on circuit board, and circuit board is arranged in switch enclosure, and the circuit of the present embodiment and ventilating fan are connected on the power circuit of 220V with series system.When the circuit working of the present embodiment, working power (V+) is charged to time capacitor (C2) by timing resistor (R2), through 1-2 hour, voltage on time capacitor (C2) reaches the voltage of 2/3 working power (V+), not gate a(IC2) input be high level, not gate a(IC2) output and not gate b(IC3) input be low level, make not gate b(IC3) output be reversed to high level, not gate b(IC3) high level of output is input to not gate d(IC5) input, make not gate d(IC5) output, not gate e(IC6) input and not gate f(IC7) input be low level, not gate e(IC6) output and not gate f(IC7) output be reversed to high level, one-way SCR (VS) conducting, ventilating fan (M) energising operation, outdoor the Bas Discharged in communal bathroom, fresh air just supplements naturally into communal bathroom, realize automatic air-exchanging, at not gate b(IC3) output while being reversed to high level, high level charges to delay capacitor (C3) by time delay resistance (R4), through 10-20 minute, voltage on delay capacitor (C3) reaches the voltage of 2/3 working power (V+), not gate c(IC4) input be high level, make not gate c(IC4) output be reversed to low level, voltage on time capacitor (C2) by discharge diode (V3) and buffer resistance (R3) to not gate c(IC4) output discharge, make not gate a(IC2) input be low level, not gate b(IC3) output be reversed to low level, one-way SCR (VS) cut-off, ventilating fan (M) power-off stops.Afterwards, working power (V+) is charged to time capacitor (C2) by timing resistor (R2) again, repeat said process, realize at interval of 1-2 hour to communal bathroom automatic air-exchanging once, each time of exchanging gas is 10-20 minute, to eliminate the peculiar smell in communal bathroom and to keep pure and fresh air.
Claims (5)
1. the spaced switch circuit of a communal bathroom automatic air-exchanging, it is characterized in that electric routing interface a(1), interface b(2), rectification integrated package (IC1), isolating diode (V1), dropping resistor (R1), filtering capacitor (C1), voltage stabilizing didoe (V2), timing resistor (R2), time capacitor (C2), discharge diode (V3), not gate a(IC2), not gate b(IC3), time delay resistance (R4), delay capacitor (C3), not gate c(IC4), drive resistance (R5) and one-way SCR (VS) to form, wherein:
Two inputs of rectification integrated package (IC1) are connected respectively to interface a(1) and interface b(2), the positive pole of rectification integrated package (IC1) is connected to the anode of isolating diode (V1) and the anode of one-way SCR (VS), the negative electrode of isolating diode (V1) is connected to the first pin of dropping resistor (R1), after being connected with the positive pole of filtering capacitor (C1) and the negative electrode of voltage stabilizing didoe (V2), the crus secunda of dropping resistor (R1) forms working power (V+), after the anodic bonding of the negative pole of the negative pole of rectification integrated package (IC1) and filtering capacitor (C1) and voltage stabilizing didoe (V2), form ground wire,
The first pin of timing resistor (R2) is connected to working power (V+), the crus secunda of timing resistor (R2) is connected to the positive pole of time capacitor (C2), not gate a(IC2) input and the anode of discharge diode (V3), the negative pole of time capacitor (C2) is connected to ground wire, not gate a(IC2) output be connected to not gate b(IC3) input, not gate b(IC3) output be connected to time delay resistance (R4) the first pin and drive resistance (R5) the first pin, the crus secunda of time delay resistance (R4) is connected to positive pole and the not gate c(IC4 of delay capacitor (C3)) input, the negative pole of delay capacitor (C3) is connected to ground wire, not gate c(IC4) output be connected to the negative electrode of discharge diode (V3), drive the crus secunda of resistance (R5) to be connected to the control utmost point of one-way SCR (VS), the negative electrode of one-way SCR (VS) is connected to ground wire.
2. the spaced switch circuit of a kind of communal bathroom automatic air-exchanging according to claim 1, is characterized in that at not gate c(IC4) output and the negative electrode of discharge diode (V3) between have buffer resistance (R3).
3. the spaced switch circuit of a kind of communal bathroom automatic air-exchanging according to claim 1, is characterized in that in circuit, there is not gate d(IC5), not gate e(IC6) and not gate f(IC7); When there is not gate d(IC5 in circuit), not gate e(IC6) and not gate f(IC7) time, not gate b(IC3) output be connected to the first pin and the not gate d(IC5 of time delay resistance (R4)) input, not gate d(IC5) output be connected to not gate e(IC6) input and not gate f(IC7) input, not gate e(IC6) output and not gate f(IC7) output be connected to drive resistance (R5) the first pin.
4. the spaced switch circuit of a kind of communal bathroom automatic air-exchanging according to claim 1, is characterized in that the external load of circuit has the motor winding of ventilating fan (M); The external circuit of circuit has the phase line (L) of power supply and the zero line (N) of power supply; The interface a(1 of circuit) be connected to the phase line (L) of power supply, the interface b(2 of circuit) be connected to the zero line (N) of power supply by the motor winding of ventilating fan (M).
5. the spaced switch circuit of a kind of communal bathroom automatic air-exchanging according to claim 1, it is characterized in that not gate a(IC2), not gate b(IC3), not gate c(IC4), not gate d(IC5), not gate e(IC6) and not gate f(IC7) share six ungated integrated circuits, the power end of six ungated integrated circuits is connected to working power (V+), and the earth terminal of six ungated integrated circuits is connected to ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432301.7U CN203968089U (en) | 2014-08-03 | 2014-08-03 | A kind of spaced switch circuit of communal bathroom automatic air-exchanging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432301.7U CN203968089U (en) | 2014-08-03 | 2014-08-03 | A kind of spaced switch circuit of communal bathroom automatic air-exchanging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203968089U true CN203968089U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420432301.7U Expired - Fee Related CN203968089U (en) | 2014-08-03 | 2014-08-03 | A kind of spaced switch circuit of communal bathroom automatic air-exchanging |
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| Country | Link |
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| CN (1) | CN203968089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158523A (en) * | 2014-08-03 | 2014-11-19 | 衢州迪升工业设计有限公司 | Alternate type switching circuit for automatic air exchange in public washroom |
-
2014
- 2014-08-03 CN CN201420432301.7U patent/CN203968089U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158523A (en) * | 2014-08-03 | 2014-11-19 | 衢州迪升工业设计有限公司 | Alternate type switching circuit for automatic air exchange in public washroom |
| CN104158523B (en) * | 2014-08-03 | 2018-03-20 | 衢州迪升工业设计有限公司 | A kind of spaced switch circuit of communal bathroom automatic air-exchanging |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20170803 |