CN204371739U - A kind of toilet ventilation fan intelligent starting circuit - Google Patents
A kind of toilet ventilation fan intelligent starting circuit Download PDFInfo
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- CN204371739U CN204371739U CN201520023624.5U CN201520023624U CN204371739U CN 204371739 U CN204371739 U CN 204371739U CN 201520023624 U CN201520023624 U CN 201520023624U CN 204371739 U CN204371739 U CN 204371739U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000002463 transducing effect Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a kind of toilet ventilation fan intelligent starting circuit, comprise power circuit, sensor circuit and control circuit, described power circuit comprises 220V line voltage, transformer W, electric capacity C1 and rectifier bridge T, described sensor circuit comprises chip IC 2, potentiometer RP2, electric capacity C8 and electric capacity C9, and described control circuit comprises resistance R1, electric capacity C1, potentiometer RP1 and triode VT1.The utility model circuit uses rpyroelectric infrared transducing signal process intergrated circuit as induction original paper, open circuit when someone enters toilet, people automatically shuts down after walking, greatly reduce waste of energy, and increase sensitivity and the level of integration of sensor circuit, the bathroom exhaust fan using this circuit to make has that structure is simple, highly sensitive, volume is little and the advantage of saving power.
Description
Technical field
The utility model relates to a kind of starting circuit, specifically the toilet ventilation fan intelligent starting circuit of simple, the saving power of a kind of structure.
Background technique
Ventilating fan is an indispensable part in modern toilet, it can be good the gas exchanges carried out in toilet, pure and fresh air is brought to inside, toilet, traditional ventilating fan many uses switch is opened and is turned off, need the control thought, but be no matter to use or in public at oneself, always people remember to open but forget shutoff, therefore cause very large waste of energy, be unfavorable for energy saving.
Model utility content
The purpose of this utility model is to provide that a kind of structure is simple, the toilet ventilation fan intelligent starting circuit of saving power, 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 toilet ventilation fan intelligent starting circuit, comprise power circuit, sensor circuit and control circuit, described power circuit comprises 220V line voltage, transformer W, electric capacity C1 and rectifier bridge T, described sensor circuit comprises chip IC 2, potentiometer RP2, electric capacity C8 and electric capacity C9, and described control circuit comprises resistance R1, electric capacity C1, potentiometer RP1 and triode VT1;
One end of the primary side of described transformer W connects 220V line voltage and ventilating fan M, the other end of the primary side of described transformer W connects the other end of 220V line voltage and the contact K-1 of relay K, the contact K-1 of relay K connects the other end of ventilating fan M, one end of the secondary end of transformer W connects 1 port of electric capacity C1 and rectifier bridge T, the other end of the primary side of transformer W connects the other end of electric capacity C1 and 3 ports of rectifier bridge T, the 2 port contact resistance R2 of rectifier bridge T, resistance R12, trimming capacitor C P1, the fixed end of potentiometer RP2, the sliding end of potentiometer RP2, 1 pin of chip IC 1, 8 pins of chip IC 1, 11 pins of chip IC 1 and power supply U1, the other end of the other end contact resistance R2 of trimming capacitor C P1 and the collector electrode of triode VT1, the emitter of triode VT1 connects relay K, the base stage contact resistance R3 of triode VT1, the other end of resistance R3 connects 7 pins of chip IC1, the other end contact resistance R7 of relay K, resistance R8, electric capacity C2, electric capacity C3, electric capacity C5, the fixed end of potentiometer RP3, 4 ports of rectifier bridge T, 2 pins of chip IC 1 and 3 pins of chip IC 2 ground connection, the fixed end of the other end contact resistance R1 potentiometer RP1 of electric capacity C2, the sliding end of potentiometer RP1, 4 pins of chip IC 1 and 5 pins of chip IC 1, the other end of resistance R1 connects 3 pins of chip IC1, another fixed end of potentiometer RP1 connects 6 pins of chip IC1, the other end of another fixed end contact resistance R9 of potentiometer RP2 and 9 pins of chip IC 1, the other end of 10 pin contact resistance R7 of chip IC 1, 12 pin contact resistance R4 of chip IC 1 and electric capacity C4, the other end of 13 pin contact resistance R4 of chip IC 1, the other end of resistance R10 and electric capacity C4, 14 pin contact resistance R5 of chip IC 1, 15 pin contact resistance R6 of chip IC 1, electric capacity C4, the other end of electric capacity C8 and electric capacity C3, the other end of 16 pin contact resistance R6 of chip IC 1, the other end of resistance R8 and electric capacity C6, the other end of resistance R8 connects the other end of electric capacity C5, the other end of resistance R5 connects 2 pins of chip IC2, the other end of electric capacity C10, the sliding end of potentiometer RP1 and another fixed end of potentiometer RP3, the other end contact resistance R11 of resistance R10 and electric capacity C7, the other end of the other end contact resistance R11 of electric capacity C7 and the other end of electric capacity C8, the other end of resistance R12 connects the fixed end of electric capacity C9 and potentiometer RP4, the other end ground connection of electric capacity C9, the sliding end of potentiometer RP4 connects another fixed end and the chip IC 2 of potentiometer RP4.
As preferred version of the present utility model: the model of described chip IC 1 is EG0001 type infrared thermal release electric special chip, chip IC 2 is LHI907 rpyroelectric infrared transducing signal process intergrated circuit.
As preferred version of the present utility model: 220V line voltage is become 9V direct current by primary side and the secondary end of described transformer W.
Compared with prior art, the beneficial effects of the utility model are: circuit uses rpyroelectric infrared transducing signal process intergrated circuit as induction original paper, open circuit when someone enters toilet, people automatically shuts down after walking, greatly reduce waste of energy, and increase sensitivity and the level of integration of sensor circuit, the bathroom exhaust fan using this circuit to make has that structure is simple, highly sensitive, volume is little and the advantage of saving power.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of toilet ventilation fan intelligent starting circuit.
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, a kind of toilet ventilation fan intelligent starting circuit, comprise power circuit, sensor circuit and control circuit, described power circuit comprises 220V line voltage, transformer W, electric capacity C1 and rectifier bridge T, described sensor circuit comprises chip IC 2, potentiometer RP2, electric capacity C8 and electric capacity C9, and described control circuit comprises resistance R1, electric capacity C1, potentiometer RP1 and triode VT1;
One end of the primary side of described transformer W connects 220V line voltage and ventilating fan M, the other end of the primary side of described transformer W connects the other end of 220V line voltage and the contact K-1 of relay K, the contact K-1 of relay K connects the other end of ventilating fan M, one end of the secondary end of transformer W connects 1 port of electric capacity C1 and rectifier bridge T, the other end of the primary side of transformer W connects the other end of electric capacity C1 and 3 ports of rectifier bridge T, the 2 port contact resistance R2 of rectifier bridge T, resistance R12, trimming capacitor C P1, the fixed end of potentiometer RP2, the sliding end of potentiometer RP2, 1 pin of chip IC 1, 8 pins of chip IC 1, 11 pins of chip IC 1 and power supply U1, the other end of the other end contact resistance R2 of trimming capacitor C P1 and the collector electrode of triode VT1, the emitter of triode VT1 connects relay K, the base stage contact resistance R3 of triode VT1, the other end of resistance R3 connects 7 pins of chip IC1, the other end contact resistance R7 of relay K, resistance R8, electric capacity C2, electric capacity C3, electric capacity C5, the fixed end of potentiometer RP3, 4 ports of rectifier bridge T, 2 pins of chip IC 1 and 3 pins of chip IC 2 ground connection, the fixed end of the other end contact resistance R1 potentiometer RP1 of electric capacity C2, the sliding end of potentiometer RP1, 4 pins of chip IC 1 and 5 pins of chip IC 1, the other end of resistance R1 connects 3 pins of chip IC1, another fixed end of potentiometer RP1 connects 6 pins of chip IC1, the other end of another fixed end contact resistance R9 of potentiometer RP2 and 9 pins of chip IC 1, the other end of 10 pin contact resistance R7 of chip IC 1, 12 pin contact resistance R4 of chip IC 1 and electric capacity C4, the other end of 13 pin contact resistance R4 of chip IC 1, the other end of resistance R10 and electric capacity C4, 14 pin contact resistance R5 of chip IC 1, 15 pin contact resistance R6 of chip IC 1, electric capacity C4, the other end of electric capacity C8 and electric capacity C3, the other end of 16 pin contact resistance R6 of chip IC 1, the other end of resistance R8 and electric capacity C6, the other end of resistance R8 connects the other end of electric capacity C5, the other end of resistance R5 connects 2 pins of chip IC2, the other end of electric capacity C10, the sliding end of potentiometer RP1 and another fixed end of potentiometer RP3, the other end contact resistance R11 of resistance R10 and electric capacity C7, the other end of the other end contact resistance R11 of electric capacity C7 and the other end of electric capacity C8, the other end of resistance R12 connects the fixed end of electric capacity C9 and potentiometer RP4, the other end ground connection of electric capacity C9, the sliding end of potentiometer RP4 connects another fixed end and the chip IC 2 of potentiometer RP4.
The model of chip IC 1 is EG0001 type infrared thermal release electric special chip, and chip IC 2 is LHI907 rpyroelectric infrared transducing signal process intergrated circuit.
220V line voltage is become 9V direct current by the primary side of transformer W and secondary end.
Working principle of the present utility model is: circuit is accessed power supply, when nobody enters people's pyroelectric sensor LHI007 monitoring range, rpyroelectric infrared transducing signal process intergrated circuit EG0001 is in reset mode, the 2 pin output low levels of EG0001, the base stage no current of triode VT1, triode VT1 is in cut-off state, LED group does not work, controller is in the monitoring state, after power on circuitry, when entering people's pyroelectric sensor LHI007 monitoring range when there being people and move, the infrared rays change that human body can give out by pyroelectric sensor LHI007 is converted to electrical signal and exports, output signal frequency is 0.1 ~ 10Hz, 2 pins of EG0001 export high level, the base stage of triode VT1 has electric current to flow through, triode VT1 conducting, trigger relay K, relay K conducting, therefore the contact K-1 adhesive of relay K, ventilating fan M accesses 220V power supply, ventilating fan M starts working, by the output frequency of the adjustable pyroelectric sensor LHI007 of potentiometer RP4, thus regulate induction range according to the size of toilet, flexibly and easily.
Circuit uses rpyroelectric infrared transducing signal process intergrated circuit as induction original paper, open circuit when someone enters toilet, people automatically shuts down after walking, greatly reduce waste of energy, and increase sensitivity and the level of integration of sensor circuit, the bathroom exhaust fan using this circuit to make has that structure is simple, highly sensitive, volume is little and the advantage of saving power.
Claims (3)
1. a toilet ventilation fan intelligent starting circuit, comprises power circuit, sensor circuit and control circuit; It is characterized in that, described power circuit comprises 220V line voltage, transformer W, electric capacity C1 and rectifier bridge T, described sensor circuit comprises chip IC 2, potentiometer RP2, electric capacity C8 and electric capacity C9, and described control circuit comprises resistance R1, electric capacity C1, potentiometer RP1 and triode VT1;
One end of the primary side of described transformer W connects 220V line voltage and ventilating fan M, the other end of the primary side of described transformer W connects the other end of 220V line voltage and the contact K-1 of relay K, the contact K-1 of relay K connects the other end of ventilating fan M, one end of the secondary end of transformer W connects 1 port of electric capacity C1 and rectifier bridge T, the other end of the primary side of transformer W connects the other end of electric capacity C1 and 3 ports of rectifier bridge T, the 2 port contact resistance R2 of rectifier bridge T, resistance R12, trimming capacitor C P1, the fixed end of potentiometer RP2, the sliding end of potentiometer RP2, 1 pin of chip IC 1, 8 pins of chip IC 1, 11 pins of chip IC 1 and power supply U1, the other end of the other end contact resistance R2 of trimming capacitor C P1 and the collector electrode of triode VT1, the emitter of triode VT1 connects relay K, the base stage contact resistance R3 of triode VT1, the other end of resistance R3 connects 7 pins of chip IC1, the other end contact resistance R7 of relay K, resistance R8, electric capacity C2, electric capacity C3, electric capacity C5, the fixed end of potentiometer RP3, 4 ports of rectifier bridge T, 2 pins of chip IC 1 and 3 pins of chip IC 2 ground connection, the fixed end of the other end contact resistance R1 potentiometer RP1 of electric capacity C2, the sliding end of potentiometer RP1, 4 pins of chip IC 1 and 5 pins of chip IC 1, the other end of resistance R1 connects 3 pins of chip IC1, another fixed end of potentiometer RP1 connects 6 pins of chip IC1, the other end of another fixed end contact resistance R9 of potentiometer RP2 and 9 pins of chip IC 1, the other end of 10 pin contact resistance R7 of chip IC 1, 12 pin contact resistance R4 of chip IC 1 and electric capacity C4, the other end of 13 pin contact resistance R4 of chip IC 1, the other end of resistance R10 and electric capacity C4, 14 pin contact resistance R5 of chip IC 1, 15 pin contact resistance R6 of chip IC 1, electric capacity C4, the other end of electric capacity C8 and electric capacity C3, the other end of 16 pin contact resistance R6 of chip IC 1, the other end of resistance R8 and electric capacity C6, the other end of resistance R8 connects the other end of electric capacity C5, the other end of resistance R5 connects 2 pins of chip IC2, the other end of electric capacity C10, the sliding end of potentiometer RP1 and another fixed end of potentiometer RP3, the other end contact resistance R11 of resistance R10 and electric capacity C7, the other end of the other end contact resistance R11 of electric capacity C7 and the other end of electric capacity C8, the other end of resistance R12 connects the fixed end of electric capacity C9 and potentiometer RP4, the other end ground connection of electric capacity C9, the sliding end of potentiometer RP4 connects another fixed end and the chip IC 2 of potentiometer RP4.
2. a kind of toilet according to claim 1 ventilation fan intelligent starting circuit, is characterized in that, the model of described chip IC 1 is EG0001 type infrared thermal release electric special chip, and chip IC 2 is LHI907 rpyroelectric infrared transducing signal process intergrated circuit.
3. a kind of toilet according to claim 1 ventilation fan intelligent starting circuit, it is characterized in that, 220V line voltage is become 9V direct current by primary side and the secondary end of described transformer W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023624.5U CN204371739U (en) | 2015-01-01 | 2015-01-01 | A kind of toilet ventilation fan intelligent starting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023624.5U CN204371739U (en) | 2015-01-01 | 2015-01-01 | A kind of toilet ventilation fan intelligent starting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371739U true CN204371739U (en) | 2015-06-03 |
Family
ID=53327963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520023624.5U Expired - Fee Related CN204371739U (en) | 2015-01-01 | 2015-01-01 | A kind of toilet ventilation fan intelligent starting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204371739U (en) |
-
2015
- 2015-01-01 CN CN201520023624.5U patent/CN204371739U/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: 20150603 Termination date: 20160101 |
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| EXPY | Termination of patent right or utility model |