CN104158523A - Alternate type switching circuit for automatic air exchange in public washroom - Google Patents
Alternate type switching circuit for automatic air exchange in public washroom Download PDFInfo
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- CN104158523A CN104158523A CN201410376280.6A CN201410376280A CN104158523A CN 104158523 A CN104158523 A CN 104158523A CN 201410376280 A CN201410376280 A CN 201410376280A CN 104158523 A CN104158523 A CN 104158523A
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Abstract
The invention discloses an alternate type switching circuit for the automatic air exchange in a public washroom, and relates to an automatic switching circuit. The alternate type switching circuit comprises an interface, a rectification integrated block, a voltage dropping resistor, a filter capacitor, a voltage stabilizing diode, a timing resistor, a timing capacitor, a discharge diode, a not gate a, a not gate b, a delaying resistor, a delaying capacitor, a not gate c, a driving resistor and a one-way silicon controlled rectifier, wherein the second pin of the timing resistor is connected to the positive pole of the timing capacitor, the input end of the not gate a and the anode of the discharge diode; the output end of the not gate a is connected to the input end of the not gate b; the output end of the not gate b is connected to the first pin of the delaying resistor and the first pin of the driving resistor; the second pin of the delaying resistor is connected to the positive pole of the delaying capacitor and the input end of the not gate c; the output end of the not gate c is connected to the cathode of the discharge diode; the second pin of the driving resistor is connected to the control electrode of the one-way silicon controlled rectifier. According to the invention, the air exchange of the public washroom is carried out by adopting an alternate start-up mode, so that the electric energy is saved, and the service life of an exhaust fan is prolonged.
Description
Technical field
The present invention relates to electronic circuit, specially refer 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.
Summary of the invention
The object of the invention is to provide a kind of spaced switch circuit of communal bathroom automatic air-exchanging, 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 invention, 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 present invention, 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 invention is applied, switching circuit is arranged on circuit board, and circuit board is arranged in switch enclosure, and circuit of the present invention and ventilating fan are connected on the power circuit of 220V with series system.When circuit working of the present invention, 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 invention, 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 present invention applies six ungated integrated circuits and processes 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 invention has the beneficial effects as follows: 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 present invention 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 invention.
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410376280.6A CN104158523B (en) | 2014-08-03 | 2014-08-03 | A kind of spaced switch circuit of communal bathroom automatic air-exchanging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410376280.6A CN104158523B (en) | 2014-08-03 | 2014-08-03 | A kind of spaced switch circuit of communal bathroom automatic air-exchanging |
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| Publication Number | Publication Date |
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| CN104158523A true CN104158523A (en) | 2014-11-19 |
| CN104158523B CN104158523B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410376280.6A Active CN104158523B (en) | 2014-08-03 | 2014-08-03 | A kind of spaced switch circuit of communal bathroom automatic air-exchanging |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708443A (en) * | 2018-06-11 | 2018-10-26 | 东北大学秦皇岛分校 | A kind of squatting pan intelligence control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065804U (en) * | 1990-05-02 | 1990-11-14 | 陈光裕 | Non-power consumption energy-saving time delay switch for filament lamp |
| JPH04282597A (en) * | 1991-03-08 | 1992-10-07 | Koji Yatsuhashi | Automatic switch-off circuit |
| CN2181774Y (en) * | 1993-08-09 | 1994-11-02 | 单觉初 | Fan gusty wind controller with six phase inverter |
| CN203968089U (en) * | 2014-08-03 | 2014-11-26 | 衢州迪升工业设计有限公司 | A kind of spaced switch circuit of communal bathroom automatic air-exchanging |
-
2014
- 2014-08-03 CN CN201410376280.6A patent/CN104158523B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065804U (en) * | 1990-05-02 | 1990-11-14 | 陈光裕 | Non-power consumption energy-saving time delay switch for filament lamp |
| JPH04282597A (en) * | 1991-03-08 | 1992-10-07 | Koji Yatsuhashi | Automatic switch-off circuit |
| CN2181774Y (en) * | 1993-08-09 | 1994-11-02 | 单觉初 | Fan gusty wind controller with six phase inverter |
| CN203968089U (en) * | 2014-08-03 | 2014-11-26 | 衢州迪升工业设计有限公司 | A kind of spaced switch circuit of communal bathroom automatic air-exchanging |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708443A (en) * | 2018-06-11 | 2018-10-26 | 东北大学秦皇岛分校 | A kind of squatting pan intelligence control system |
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| CN104158523B (en) | 2018-03-20 |
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Effective date of registration: 20211217 Address after: 276000 No. 10, Mengshan fifth road, economic development zone, Mengyin County, Linyi City, Shandong Province Patentee after: Shandong Nahe Auto Parts Co.,Ltd. Address before: 244000 seven groups of Feng Xin, Cha Ren Cun, Tongling Development Zone, Tongling, Anhui. Patentee before: Tongling Mdt InfoTech Ltd. |