CN103758193A - Automatic human body proximity flushing device of urinal - Google Patents
Automatic human body proximity flushing device of urinal Download PDFInfo
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- CN103758193A CN103758193A CN201410055156.XA CN201410055156A CN103758193A CN 103758193 A CN103758193 A CN 103758193A CN 201410055156 A CN201410055156 A CN 201410055156A CN 103758193 A CN103758193 A CN 103758193A
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Abstract
The invention relates to an automatic human body proximity flushing device of a urinal. The automatic human body proximity flushing device is characterized in that the automatic human body proximity flushing device comprises a 12 V direct-current power supply, a high-frequency oscillating circuit, a voltage-multiplying detection and filtering circuit, a direct-current signal amplification circuit and an electromagnetic water valve driving circuit; the high-frequency oscillating circuit is composed of an induction antenna ANT, an oscillating coil L1, an NPN type triode VT1, an adjustable capacitor C2, a resistor R1, a capacitor C1 and a resistor R2; the voltage-multiplying detection and filtering circuit is composed of a coupling capacitor C3, a detection diode D1, a detection diode D2 and a filtering capacitor C4, and the model of the detection diode D1 and the detection diode D2 is 1N60; the direct-current signal amplification circuit is composed of an NPN type triode VT2 and a resistor R3; the electromagnetic water valve driving circuit is composed of an NPN type triode VT3, an electromagnetic water valve coil DCF and a silicon rectification diode D3. The automatic human body proximity flushing device of the urinal can be widely applied to the places of hotels, public toilets, hospitals, stations, airports and the like.
Description
Technical field
The invention belongs to Electric automatic control and water-saving technology field, is about the automatic overflow cascade washers of a kind of human body proximity formula urinal.
Background technology
After the nineties, due to advancing by leaps and bounds of electronic technology, in water tap, electromagnetic water valve structure has been carried out significant improvement, realized simple in structure, compact, withstand voltage, dismounting is easy to maintenance, beat to open or close and the requirement such as finish rapidly, power consumption is little; The automatic induction tap of urinal is equipped with infrared detector cell more, when human body near time, the infrared rays that human body sends is detected by it, controls electromagnetic water valve discharge water by related circuit, automatically closes electromagnetic water valve during unmanned use.Infrared detector cell is arranged near kermesinus plastic casing urinal or water tap, and it is penetrating to infrared rays.It is not worn clothes color affects, have safe and power saving, highly sensitive, leak that the rate of rushing is zero, water-saving rate is high, the advantages such as long service life.
The automatic overflow cascade washers of human body proximity formula urinal of the present invention looks for another way, it not end user's body heat source as signal source, utilize human body proximity induction antenna as opening or the control signal of auto-closed water tap, can not be subject to interference that available light or temperature are high and misoperation.Realized that circuit structure is succinct, reliable working performance, the requirement such as cheap.It is widely used in the public places such as hotel, hotel, office premises, public lavatory, hospital, station, airport.
Below describe the automatic overflow cascade washers of human body proximity formula urinal of the present invention related relevant technologies content in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: the automatic overflow cascade washers of human body proximity formula urinal of the present invention looks for another way, it not end user's body heat source as signal source, utilize human body proximity induction antenna as opening or the control signal of auto-closed water tap, can not be subject to interference that available light or temperature are high and misoperation.Realized that circuit structure is succinct, reliable working performance, the requirement such as cheap.It is widely used in the public places such as hotel, hotel, office premises, public lavatory, hospital, station, airport.
Circuit working principle: the automatic overflow cascade washers of human body proximity formula urinal is comprised of induction antenna ANT, high-frequency oscillating circuits, multiplication of voltage detection and filter circuit, direct current signal amplifying circuit, electromagnetic water valve drive circuit.It forms high-frequency oscillating circuits by NPN type triode VT1 and peripheral cell, and induction antenna ANT is connected to the colelctor electrode of NPN type triode VT1.When there is no the induction antenna ANT of human body proximity overflow cascade washers, the high-frequency oscillating circuits that NPN type triode VT1 forms is normally worked, the high-frequency voltage signal of now NPN type triode VT1 emitter stage output obtains direct current signal after the detection of detector diode D1～D2 multiplication of voltage, this direct current signal makes NPN type triode VT2 conducting, make NPN type triode VT3 cut-off, electromagnetic water valve coil DCF does not work without electricity, the not water outlet of water tap of overflow cascade washers;
During induction antenna ANT in having human body proximity water overflow cascade washers circuit, because people knows from experience the distribution capacity increasing between induction antenna ANT and " the earth ", and the increase of capacitance can reduce the amount of high-frequency oscillating circuits positive feedback until the high-frequency oscillating circuits failure of oscillations, once high-frequency oscillating circuits failure of oscillation, detecting circuit will no longer be exported direct current signal, now NPN type triode VT2 will end, at this moment the base stage of NPN type triode VT3 is in high potential, make NPN type triode VT3 conducting, electromagnetic water valve coil DCF obtains electric starting working, water tap can there are flowing out at once.The capacity of filter capacitor C4 is determining the time of water tap Time Delay Opening and time-delay closing, and its capacity is adjusted according to actual needs.
Technical scheme: the automatic overflow cascade washers of human body proximity formula urinal, it comprises 12V dc source, high-frequency oscillating circuits, multiplication of voltage detection and filter circuit, direct current signal amplifying circuit, electromagnetic water valve drive circuit, it is characterized in that:
High-frequency oscillating circuits: it is by induction antenna ANT, oscillator coil L1, NPN type triode VT1, tunable capacitor C2, resistance R 1, capacitor C 1 and resistance R 2 form, one end of base stage connecting resistance R1 of NPN type triode VT1 and one end of capacitor C 1, the anodal VCC of other end connection circuit of resistance R 1, the other end connection circuit ground GND of capacitor C 1, the colelctor electrode of NPN type triode VT1 meets induction antenna ANT, one end of one end of oscillator coil L1 and tunable capacitor C2, the anodal VCC of other end connection circuit of oscillator coil L1, the emitter stage of NPN type triode VT1 connects the other end of tunable capacitor C2 and one end of resistance R 2, the other end connection circuit ground GND of resistance R 2,
Multiplication of voltage detection and filter circuit: it is comprised of coupling capacitance C3, detector diode D1, detector diode D2 and filter capacitor C4, the model that detector diode D1 and detector diode D2 select is 1N60, the emitter stage of a termination NPN type triode VT1 of coupling capacitance C3, the negative pole of another termination detector diode D1 of coupling capacitance C3 and the positive pole of detector diode D2, the anodal connection circuit ground GND of detector diode D1, the negative pole of detector diode D2 connects the positive pole of filter capacitor C4, the negative pole connection circuit ground GND of filter capacitor C4;
Direct current signal amplifying circuit: it is comprised of NPN type triode VT2 and resistance R 3, the base stage of NPN type triode VT2 connects the negative pole of detector diode D2, the colelctor electrode of NPN type triode VT2 is by resistance R 3 connection circuits positive pole VCC, the emitter stage connection circuit ground GND of NPN type triode VT2;
Electromagnetic water valve drive circuit: it is comprised of NPN type triode VT3, electromagnetic valve coil DCF and silicon rectifier diode D3, the base stage of NPN type triode VT3 connects the colelctor electrode of NPN type triode VT2, the colelctor electrode of NPN type triode VT3 connects one end of electromagnetic water valve coil DCF and the positive pole of silicon rectifier diode D3, the anodal VCC of the other end of electromagnetic water valve coil DCF and the negative pole connection circuit of silicon rectifier diode D3, the emitter stage connection circuit ground GND of NPN type triode VT3;
The positive pole of 12V dc source is connected with circuit anode VCC, and the negative pole of 12V dc source is connected with circuit ground GND.
Accompanying drawing explanation
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the invention provides an automatic overflow cascade washers of human body proximity urinal.
The specific embodiment
According to circuit working schematic diagram and the accompanying drawing explanation of the automatic overflow cascade washers of human body proximity formula urinal shown in accompanying drawing 1, and according to annexation between components and parts in the each several part circuit described in summary of the invention, and the components and parts technical data described in embodiment requires and circuit production main points are implemented to realize the present invention, below in conjunction with embodiment, correlation technique of the present invention is further described.
Components and parts title and technical data
| Element number | Components and parts title | Technical data | Quantity | Remarks |
| VT1 | NPN type triode | 2CS9018、β≥100 | 1 | Plastic packaging |
| VT2～VT3 | NPN type triode | 2CS9013、β≥180 | 2 | Plastic packaging |
| D1、D2 | Detector diode | 1N60, glassivation | 2 | Or select 2AP10 |
| D3 | Silicon rectifier diode | 1N4001 | 1 | ? |
| L1 | Oscillator coil | 3～4mH colour coding inductance | 1 | ? |
| R1 | Resistance | 1/8W、10KΩ | 1 | Biasing resistor |
| R2 | Resistance | 1/8W、4.7KΩ | 1 | ? |
| R3 | Resistance | 1/8W、2.7KΩ | 1 | ? |
| C1 | Electric capacity | 0.01μF | 1 | Ceramic disc capacitor |
| C2 | Tunable capacitor | 5～20PF | 1 | Oscillating capacitance |
| C3 | Coupling capacitance | 1000PF | 1 | Its capacity is unsuitable large |
| C4 | Filter capacitor | 10μF/16V | 1 | Adjust as required capacity |
| ANT | Induction antenna | Area: 70mm * 60mm | 1 | ? |
| DCF | Electromagnetic water valve | Model: DF0618L | 1 cover | Feedwater bore 15mm |
Circuit production main points and circuit debugging
The making of induction antenna ANT: selecting thickness is 1mm copper sheet or aluminium sheet, and it is of a size of: long 70mm, wide 60mm;
The starting of oscillation of the big or small capable of regulating high-frequency oscillating circuits of tunable capacitor C2 capacity, two thresholds of failure of oscillation, be mainly used in regulating the sensitivity of human body proximity induction antenna ANT distance; The capacity of filter capacitor C4 is determining the time of water discharge of water faucet Time Delay Opening and time-delay closing, adjusts according to actual needs its capacity; Distance of reaction can regulate arbitrarily between 20～65cm;
Oscillator coil L1 is colour coding inductance, and its inductance value is 3～4mH, if when the inductance value of oscillator coil L1 is greater than 4mH, for making high-frequency oscillating circuits starting of oscillation smoothly, can suitably increase the capacity of tunable capacitor C2; Other dc point does not need debugging normally to work, complete machine maximum operating currenbt≤180mA;
Applied hydraulic pressure is 0.05～0.6MPa; 0～45 ℃ of environment for use temperature; Environment for use humidity 95%RH.
Claims (1)
1. the automatic overflow cascade washers of human body proximity formula urinal, it comprises 12V dc source, high-frequency oscillating circuits, multiplication of voltage detection and filter circuit, direct current signal amplifying circuit, electromagnetic water valve drive circuit, it is characterized in that:
Described high-frequency oscillating circuits is by induction antenna ANT, oscillator coil L1, NPN type triode VT1, tunable capacitor C2, resistance R 1, capacitor C 1 and resistance R 2 form, one end of base stage connecting resistance R1 of NPN type triode VT1 and one end of capacitor C 1, the anodal VCC of other end connection circuit of resistance R 1, the other end connection circuit ground GND of capacitor C 1, the colelctor electrode of NPN type triode VT1 meets induction antenna ANT, one end of one end of oscillator coil L1 and tunable capacitor C2, the anodal VCC of other end connection circuit of oscillator coil L1, the emitter stage of NPN type triode VT1 connects the other end of tunable capacitor C2 and one end of resistance R 2, the other end connection circuit ground GND of resistance R 2,
Described multiplication of voltage detection and filter circuit are comprised of coupling capacitance C3, detector diode D1, detector diode D2 and filter capacitor C4, the model that detector diode D1 and detector diode D2 select is 1N60, the emitter stage of a termination NPN type triode VT1 of coupling capacitance C3, the negative pole of another termination detector diode D1 of coupling capacitance C3 and the positive pole of detector diode D2, the anodal connection circuit ground GND of detector diode D1, the negative pole of detector diode D2 connects the positive pole of filter capacitor C4, the negative pole connection circuit ground GND of filter capacitor C4;
Described direct current signal amplifying circuit is comprised of NPN type triode VT2 and resistance R 3, the base stage of NPN type triode VT2 connects the negative pole of detector diode D2, the colelctor electrode of NPN type triode VT2 is by resistance R 3 connection circuits positive pole VCC, the emitter stage connection circuit ground GND of NPN type triode VT2;
Described electromagnetic water valve drive circuit is comprised of NPN type triode VT3, electromagnetic water valve coil DCF and silicon rectifier diode D3, the base stage of NPN type triode VT3 connects the colelctor electrode of NPN type triode VT2, the colelctor electrode of NPN type triode VT3 connects one end of electromagnetic water valve coil DCF and the positive pole of silicon rectifier diode D3, the anodal VCC of the other end of electromagnetic water valve coil DCF and the negative pole connection circuit of silicon rectifier diode D3, the emitter stage connection circuit ground GND of NPN type triode VT3;
The positive pole of described 12V dc source is connected with circuit anode VCC, and the negative pole of 12V dc source is connected with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055156.XA CN103758193A (en) | 2014-02-18 | 2014-02-18 | Automatic human body proximity flushing device of urinal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055156.XA CN103758193A (en) | 2014-02-18 | 2014-02-18 | Automatic human body proximity flushing device of urinal |
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| CN103758193A true CN103758193A (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410055156.XA Pending CN103758193A (en) | 2014-02-18 | 2014-02-18 | Automatic human body proximity flushing device of urinal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133712A (en) * | 2015-10-11 | 2015-12-09 | 吴建堂 | High-power automatic spraying device for male urinal |
| CN105167696A (en) * | 2015-10-23 | 2015-12-23 | 周芸 | Human hand induction type hand drying device |
| CN105824262A (en) * | 2016-05-17 | 2016-08-03 | 王志 | Range hood power socket controller capable of sensing approach of human body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228908A2 (en) * | 1985-12-28 | 1987-07-15 | Toto Ltd. | Water supply control apparatus |
| JP2004225494A (en) * | 2003-01-27 | 2004-08-12 | Inax Corp | Generating function attached power supply device in water supply device |
| CN201195876Y (en) * | 2008-05-20 | 2009-02-18 | 石家庄信息工程职业学院 | Automatic flushing water economizer of human body induction urinal |
| CN201809836U (en) * | 2010-09-15 | 2011-04-27 | 孙素蓉 | Special automatic water supply and energy-saving water tank control system device for flush toilet bowl |
| CN103233644A (en) * | 2013-04-01 | 2013-08-07 | 刘喆 | Induction-type automatic door control switch |
| CN203129833U (en) * | 2013-04-01 | 2013-08-14 | 刘喆 | Induction type automatic door control switch |
-
2014
- 2014-02-18 CN CN201410055156.XA patent/CN103758193A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228908A2 (en) * | 1985-12-28 | 1987-07-15 | Toto Ltd. | Water supply control apparatus |
| JP2004225494A (en) * | 2003-01-27 | 2004-08-12 | Inax Corp | Generating function attached power supply device in water supply device |
| CN201195876Y (en) * | 2008-05-20 | 2009-02-18 | 石家庄信息工程职业学院 | Automatic flushing water economizer of human body induction urinal |
| CN201809836U (en) * | 2010-09-15 | 2011-04-27 | 孙素蓉 | Special automatic water supply and energy-saving water tank control system device for flush toilet bowl |
| CN103233644A (en) * | 2013-04-01 | 2013-08-07 | 刘喆 | Induction-type automatic door control switch |
| CN203129833U (en) * | 2013-04-01 | 2013-08-14 | 刘喆 | Induction type automatic door control switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133712A (en) * | 2015-10-11 | 2015-12-09 | 吴建堂 | High-power automatic spraying device for male urinal |
| CN105167696A (en) * | 2015-10-23 | 2015-12-23 | 周芸 | Human hand induction type hand drying device |
| CN105824262A (en) * | 2016-05-17 | 2016-08-03 | 王志 | Range hood power socket controller capable of sensing approach of human body |
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Application publication date: 20140430 |