CN105332408A - Human proximity time-delay automatic flushing device for male urinal - Google Patents
Human proximity time-delay automatic flushing device for male urinal Download PDFInfo
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- CN105332408A CN105332408A CN201510796779.7A CN201510796779A CN105332408A CN 105332408 A CN105332408 A CN 105332408A CN 201510796779 A CN201510796779 A CN 201510796779A CN 105332408 A CN105332408 A CN 105332408A
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- microwave sounding
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
- E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl
- E03D5/105—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl touchless, e.g. using sensors
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses a human proximity time-delay automatic flushing device for a male urinal. The human proximity time-delay automatic flushing device is characterized by comprising a 12V direct current power supply, a microwave detection circuit, a signal recognition and amplification circuit, a high-level time-delay circuit and an electromagnetic water valve power drive circuit, wherein TWH9428 is selected as a microwave detection module IC1 in the microwave detection circuit; and TWH9429 is selected as a signal recognition and amplification circuit IC2 in the signal recognition and amplification circuit. A microwave electric field is built within a small range of the male urinal in a public toilet by the microwave detection module; a human body reflects an echo signal as a urinal flushing control signal; and flushing is automatically stopped after delaying a few of seconds from the moment the human body leaves. Different from a common urinal flushing device, the human proximity time-delay automatic flushing device automatically flushes immediately when the human body approaches the urinal instead of starting flushing after the human body leaves; a urine smell released in urination is completely eradicated; and the human proximity time-delay automatic flushing device for the male urinal has the characteristics of simplicity in circuit structure, high sensitivity, zero missing flushing rate, obvious water-saving effect and the like.
Description
Technical field
The invention belongs to application of electronic technology field, is about a kind of human body proximity formula time delay Male urine pond automatic flushing device.
Background technology
The automatic induction tap in Male urine pond, public place is equipped with infrared detector cell more, when there being human body near urinal, the infrared rays that human body sends is detected by it, is opened and discharges water, automatically close electromagnetic water valve during unmanned use by related circuit control electromagnetic water valve.Infrared detector cell is arranged in the plastic casing of a kermesinus panel near urinal or water tap, and it is penetrating to infrared rays, the public urinal service of a public place people in no particular order or many people; The most also be the control mode of wasting water source be most exactly perennial draingage, no matter that is: have people or unmannedly to use, the tap water drencher head on public urinal can shower incessantly.
Human body proximity formula time delay Male urine pond of the present invention automatic flushing device has used for reference the operating principle of the automatic induction tap of urinal, microwave sounding module (TWH9428) is utilized to set up microwave electric field among a small circle at public lavatory male sex's urinal, by human body reflection echo signal as the automatic shower control signal of urinal, achieve automatic shower when a people or many people successively use, when automatically stopping shower after the human body leave latency several seconds.It and common automatic flushing device for urinal unlike, shower automatically at once during human body proximity urinal, instead of just start shower after people leaves, and the urine discharged when having stopped urine disturbs taste.This device have circuit structure succinct, highly sensitive, leak that the rate of rushing is zero, water-saving result obviously, the feature such as reliable working performance, cheap, long service life.Can be used for the automatic showers of public lavatory male sex's urinal such as hotel, hotel, office premises, hospital, station, airport.
Below describe in detail human body proximity formula time delay Male urine pond of the present invention automatic flushing device necessity involved in implementation process, guardian technique content.
Summary of the invention
Goal of the invention and beneficial effect: human body proximity formula time delay Male urine pond of the present invention automatic flushing device has used for reference the operating principle of the automatic induction tap of urinal, microwave sounding module (TWH9428) is utilized to set up microwave electric field among a small circle at public lavatory male sex's urinal, by human body reflection echo signal as the automatic shower control signal of urinal, achieve automatic shower when a people or many people successively use, when automatically stopping shower after the human body leave latency several seconds.It and common automatic flushing device for urinal unlike, shower automatically at once during human body proximity urinal, instead of just start shower after people leaves, and the urine discharged when having stopped urine disturbs taste.This device have circuit structure succinct, highly sensitive, leak that the rate of rushing is zero, water-saving result obviously, the feature such as reliable working performance, cheap, long service life.
Circuit working principle: human body proximity formula time delay Male urine pond automatic flushing device is made up of microwave sounding module I C1 (inside modules comprises: the circuit such as Microwave emission, LPF, gating amplification) and circular loop antenna TX.Microwave sounding module I C1 internal oscillator circuit produces the microwave signal of about 1000MHz, by circular loop antenna TX radiated electromagnetic wave.Signal analysis and amplifying circuit are made up of Signal analysis amplifying circuit IC2 (its inside comprises: power supply voltage stabilizing, gating amplification, soft start, compare the circuit such as amplification, delay and running), electrochemical capacitor C1 and potentiometer RP.Time in Microwave Scanning search coverage without human motion, the control output end O pin output low level of Signal analysis amplification circuit IC2, at this moment enhancement mode N channel field-effect pipe VT1 ends, and makes electromagnetic water valve DCF coil electroless state.
When there being human body to move in Microwave Scanning effective range, external electromagnetic field around it will change, circular loop antenna TX will detect the human motion variable signal that generates an electromagnetic field and feed back to microwave sounding module I C1 and carry out low pass process, make the signal output part O pin output low frequency voltage signal of microwave sounding module I C1.The low-frequency voltage signal exported due to microwave sounding module I C1 is not enough to promote electromagnetic water valve DCF coil working, amplify so low-frequency voltage signal must do gating through Signal analysis amplifying circuit IC2 and postpone to drive, then export high level from control output end 0 pin of Signal analysis amplifying circuit IC2, circuit finally uses 1 enhancement mode N channel field-effect pipe VT1 to carry out high level power amplification for driving electromagnetic water valve DCF coil working.
Technical scheme: human body proximity formula time delay Male urine pond automatic flushing device, it comprises 12V dc source, microwave sounding circuit, Signal analysis amplifying circuit, high level delay circuit and electromagnetic water valve power driving circuit, it is characterized in that:
Microwave sounding circuit: it is made up of microwave sounding module I C1 and circular loop antenna TX, the model that microwave sounding module I C1 selects is TWH9428, the Y pin of microwave sounding module I C1 and the YO of microwave sounding module I C1 connect the two ends of circular loop antenna TX respectively, the VDD pin connection circuit positive pole VCC of microwave sounding module I C1, the B pin of microwave sounding module I C1 connects the positive pole of electrochemical capacitor C1, the O pin of the VSS pin of microwave sounding module I C1 and negative pole connection circuit ground GND, the microwave sounding module I C1 of electrochemical capacitor C1 connects Signal analysis and amplifying circuit;
In Signal analysis and amplifying circuit: the model that Signal analysis amplifying circuit IC2 selects is TWH9429, the B pin of Signal analysis amplifying circuit IC2 connects the B pin of microwave sounding module I C1, the I pin of Signal analysis amplifying circuit IC2 connects the O pin of microwave sounding module I C1, the WO pin of Signal analysis amplifying circuit IC2 connects one end and the movable end thereof of potentiometer RP, the W pin of Signal analysis amplifying circuit IC2 connects the other end of potentiometer RP, the VDD pin connection circuit positive pole VCC of Signal analysis amplifying circuit IC2, the VSS pin connection circuit ground GND of Signal analysis amplifying circuit IC2, the O pin of Signal analysis amplifying circuit IC2 connects high level delay circuit,
High level delay circuit: it is made up of resistance R1 and electrochemical capacitor C2, the O pin of Signal analysis amplifying circuit IC2 connects the positive pole of electrochemical capacitor C2 by resistance R1, the negative pole connection circuit ground GND of electrochemical capacitor C2;
Electromagnetic water valve power driving circuit: it is made up of enhancement mode N channel field-effect pipe VT1, electromagnetic water valve DCF and switching diode D1, the grid of enhancement mode N channel field-effect pipe VT1 connects the positive pole of electrochemical capacitor C2, the drain electrode of enhancement mode N channel field-effect pipe VT1 connects one end of electromagnetic water valve DCF coil and the positive pole of switching diode D1, the source electrode connection circuit ground GND of the other end of electromagnetic water valve DCF coil and the negative pole connection circuit positive pole VCC of switching diode D1, enhancement mode N channel field-effect pipe VT1;
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 human body proximity formula time delay Male urine pond automatic flushing device provided by the invention embodiment circuit working schematic diagram.
Detailed description of the invention
According to the human body proximity formula time delay Male urine pond automatic flushing device circuit working schematic diagram shown in accompanying drawing 1 and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in summary of the invention, and components and parts technical data described in embodiment requires and circuit production main points are carried out enforcement and can be realized the present invention, is further described correlation technique of the present invention below in conjunction with embodiment.
The technical data of components and parts and selection requirement
IC1 is microwave sounding module, and the model selected is TWH9428;
IC2 is Signal analysis amplifying circuit, and the model selected is TWH9429;
VT1 is enhancement mode N channel field-effect pipe, and the model selected is IRFZ22;
D1 is switching diode, and the model selected is 1N4148;
Resistance uses RTX-1/8W type metalfilmresistor, the resistance 36K Ω of resistance R1, and RP selects solid potentiometer, and its resistance is 360K Ω;
It is 25V aluminum hull electrochemical capacitor that C1 selects withstand voltage, and its capacity is 47 μ F; It is 25V aluminum hull electrochemical capacitor that C2 selects withstand voltage, and its capacity is 10 μ F;
DCF is electromagnetic water valve, and the model selected is DF0618L, and feedwater bore is 15mm.
Circuit production main points and circuit debugging
Circular loop antenna TX directly can use the loop aerial with microwave induction controller TX982 products configuration; Or select diameter ￠ 1.5mm bare copper wire, enclose into ￠ 100 ~ 110mm open circles loop antenna, the two ends of circular loop antenna are connected on Y pin and the YO pin of microwave sounding module I C1 respectively, replace oscillator coil with open circles loop antenna;
Must pay special attention to during welding electric iron shell must ground connection good, puncture microwave induction controller IC1 internal electronic element to avoid the induced voltage of alternating current!
The scope of human body proximity formula time delay Male urine pond automatic flushing device can by the resistance of regulator potentiometer RP, and distance the best of detection human body is 0.4 ~ 0.8m, can shorten circular loop antenna TX and reduce detection human body distance;
Delay time is by regulating the size of electrochemical capacitor C2 capacity, and recommendation of the present invention was 4 seconds;
Maximum operating currenbt≤the 220mA of human body proximity formula time delay Male urine pond automatic flushing device complete machine;
Applied hydraulic pressure is 0.05 ~ 0.6MPa; Environment for use humidity≤90%; Environment for use temperature 0 ~ 45 DEG C.
Circuit structure design of the present invention, components' placement; and the shape of its outward appearance and size etc. are not all key technologies of the present invention; neither application claims protection guardian technique content; because not affecting the realization of specific implementation process of the present invention and goal of the invention, therefore do not illustrate one by one in the description.
Claims (1)
1. a human body proximity formula time delay male sex automatic washing device for urinal, it comprises 12V dc source, microwave sounding circuit, Signal analysis amplifying circuit, high level delay circuit and electromagnetic water valve power driving circuit, it is characterized in that:
Described microwave sounding circuit is made up of microwave sounding module I C1 and circular loop antenna TX, the model that microwave sounding module I C1 selects is TWH9428, the Y pin of microwave sounding module I C1 and the YO of microwave sounding module I C1 connect the two ends of circular loop antenna TX respectively, the VDD pin connection circuit positive pole VCC of microwave sounding module I C1, the B pin of microwave sounding module I C1 connects the positive pole of electrochemical capacitor C1, the O pin of the VSS pin of microwave sounding module I C1 and negative pole connection circuit ground GND, the microwave sounding module I C1 of electrochemical capacitor C1 connects Signal analysis and amplifying circuit;
Described in Signal analysis and amplifying circuit, the model that Signal analysis amplifying circuit IC2 selects is TWH9429, the B pin of Signal analysis amplifying circuit IC2 connects the B pin of microwave sounding module I C1, the I pin of Signal analysis amplifying circuit IC2 connects the O pin of microwave sounding module I C1, the WO pin of Signal analysis amplifying circuit IC2 connects one end and the movable end thereof of potentiometer RP, the W pin of Signal analysis amplifying circuit IC2 connects the other end of potentiometer RP, the VDD pin connection circuit positive pole VCC of Signal analysis amplifying circuit IC2, the VSS pin connection circuit ground GND of Signal analysis amplifying circuit IC2, the O pin of Signal analysis amplifying circuit IC2 connects high level delay circuit,
Described high level delay circuit is made up of resistance R1 and electrochemical capacitor C2, and the O pin of Signal analysis amplifying circuit IC2 connects the positive pole of electrochemical capacitor C2 by resistance R1, the negative pole connection circuit ground GND of electrochemical capacitor C2;
Described electromagnetic water valve power driving circuit is made up of enhancement mode N channel field-effect pipe VT1, electromagnetic water valve DCF and switching diode D1, the grid of enhancement mode N channel field-effect pipe VT1 connects the positive pole of electrochemical capacitor C2, the drain electrode of enhancement mode N channel field-effect pipe VT1 connects one end of electromagnetic water valve DCF coil and the positive pole of switching diode D1, the source electrode connection circuit ground GND of the other end of electromagnetic water valve DCF coil and the negative pole connection circuit positive pole VCC of switching diode D1, enhancement mode N channel field-effect pipe VT1;
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 |
|---|---|---|---|
| CN201510796779.7A CN105332408A (en) | 2015-11-17 | 2015-11-17 | Human proximity time-delay automatic flushing device for male urinal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796779.7A CN105332408A (en) | 2015-11-17 | 2015-11-17 | Human proximity time-delay automatic flushing device for male urinal |
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| CN105332408A true CN105332408A (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510796779.7A Pending CN105332408A (en) | 2015-11-17 | 2015-11-17 | Human proximity time-delay automatic flushing device for male urinal |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2133053A (en) * | 1983-01-05 | 1984-07-18 | Geberit Ag | Automatic flushing system for a urinal |
| CN103774735A (en) * | 2014-03-03 | 2014-05-07 | 吴圣铎 | Automatic flushing device for male urinal of public toilet |
| CN103809477A (en) * | 2014-03-02 | 2014-05-21 | 王志 | Automatic flushing controller for public urinal |
| CN104968105A (en) * | 2015-06-30 | 2015-10-07 | 周云侠 | Human body induction type time-delay lamp controller |
| CN104963395A (en) * | 2015-06-29 | 2015-10-07 | 周玉林 | Automatic radar scanning type male urinal flushing device |
| CN205276412U (en) * | 2015-11-17 | 2016-06-01 | 王志 | Human body is close automatic washing unit of formula time delay male sex urinal |
-
2015
- 2015-11-17 CN CN201510796779.7A patent/CN105332408A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2133053A (en) * | 1983-01-05 | 1984-07-18 | Geberit Ag | Automatic flushing system for a urinal |
| CN103809477A (en) * | 2014-03-02 | 2014-05-21 | 王志 | Automatic flushing controller for public urinal |
| CN103774735A (en) * | 2014-03-03 | 2014-05-07 | 吴圣铎 | Automatic flushing device for male urinal of public toilet |
| CN104963395A (en) * | 2015-06-29 | 2015-10-07 | 周玉林 | Automatic radar scanning type male urinal flushing device |
| CN104968105A (en) * | 2015-06-30 | 2015-10-07 | 周云侠 | Human body induction type time-delay lamp controller |
| CN205276412U (en) * | 2015-11-17 | 2016-06-01 | 王志 | Human body is close automatic washing unit of formula time delay male sex urinal |
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Application publication date: 20160217 |