CN203878704U

CN203878704U - Automatic flushing device for male urinal of public toilet

Info

Publication number: CN203878704U
Application number: CN201420094257.3U
Authority: CN
Inventors: 吴圣铎
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-03-03
Filing date: 2014-03-03
Publication date: 2014-10-15
Anticipated expiration: 2024-03-03

Abstract

The utility model relates to an automatic flushing device for a male urinal of a public toilet. The automatic flushing device is characterized in that in a microwave induction and detection circuit, the type of a microwave induction controller IC1 is TX982, the pin 1 of the microwave induction controller IC1 is connected with the positive pole VCC of the circuit, the pin 2 of the microwave induction controller IC1 is connected with the pin 2 and the pin 6 of a time-base circuit IC2, the pin 3 of the microwave induction controller IC1 is connected with the circuit ground GND, and the both ends of a loop antenna TX are connected with the antenna terminals of the microwave induction controller IC1 respectively; a monostable time-delay circuit is composed of the time-base circuit IC2, a resistor R1 and a timing capacitor C1; an electromagnetic water valve control circuit is composed of a resistor R2, an NPN-type transistor VT1, an electromagnetic water valve DCF and a silicon rectifier diode D1. According to the automatic flushing device, a microwave electric field is established in the public toilet by reference to the working principle of the automatic induction faucet of the urinal, and a human reflection echo is used as a flushing control signal for the urinal.

Description

The automatic overflow cascade washers of trough urinal for public conveniences male

Technical field

The utility model belongs to electronics and water saving control technology field, relates to the automatic overflow cascade washers of trough urinal for a kind of public conveniences male.

Background technology

The automatic induction tap of urinal of common single use is equipped with infrared detector cell more, when have human body near time, the infrared rays that human body sends is detected by it, controls electromagnetic water valve open and 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.The public trough urinal of public place is served 1 people or many people in no particular order, is the most also that the control mode of wasting water source is most exactly perennial draingage, no matter that is: have people to use or unmanned use, the tap water on public trough urinal opens wide shower incessantly.

Below describe the automatic overflow cascade washers of trough urinal related guardian technique content in implementation process for public conveniences male described in the utility model in detail.

Utility model content

Utility model object and beneficial effect: public conveniences male described in the utility model has been used for reference the operating principle of the automatic induction tap of urinal with the automatic overflow cascade washers of trough urinal, utilize microwave induction controller (TX982) in public lavatory, to set up microwave electric field, by human body reflection echo signal as the automatic shower control signal of trough urinal.While having realized unmanned use, automatically stop shower, 1 people or many people automatic shower successively or while simultaneously using.This device have circuit structure succinct, highly sensitive, leak that the rate of rushing is zero, water-saving result obviously, the advantage such as reliable working performance, cheap, long service life.It is widely used in the public places such as hotel, hotel, office premises, public lavatory, hospital, station, airport.

Circuit working principle: public conveniences male is set up microwave electric field with the automatic overflow cascade washers of trough urinal by microwave induction controller IC1 (TX982) in public lavatory, when loop aerial TX detects human body in guarded region time, microwave electric field can produce reflection echo, through internal circuit mixing post-detection, go out faint frequency-shift signaling, this signal is processed through the single-chip microcomputer of microwave induction controller IC1 inside, its inner triode conducting 8～10 seconds, the 2nd pin output low level by microwave induction controller IC1 is held time, and is enough to the charge discharging resisting of timing capacitor C1 to fall.Monostable time delay circuit is comprised of time base circuit IC2, and when the 2nd pin of base IC circuit 2 is lower than 1/3 dc source voltage at that time, the 3rd pin output high level of time base circuit IC2, makes NPN transistor VT2 conducting drive electromagnetic water valve DCF to open and discharge water.

The monostable time delay circuit delay time that resistance R 1 and timing capacitor C1 form was about for 20 seconds, because delay time is set shortlyer, electromagnetic water valve DCF will automatically stop shower after opening 20 seconds that discharged water, if someone urine of coming in successively, microwave induction controller IC1 will trigger monostable time delay circuit working repeatedly, makes the 3rd pin of time base circuit IC2 constantly export high level and makes electromagnetic water valve DCF keep the state that discharges water.

Technical characterictic: the automatic overflow cascade washers of trough urinal for public conveniences male, it comprises 12V dc source, microwave induced and detecting circuit, monostable time delay circuit, electromagnetic water valve control circuit, it is characterized in that:

In microwave induced and detecting circuit, the model that microwave induction controller IC1 adopts is TX982, the anodal VCC of the 1st pin connection circuit of microwave induction controller IC1, the 2nd pin of microwave induction controller IC1 connects the 2nd pin and the 6th pin of time base circuit IC2, the 3rd pin connection circuit ground GND of microwave induction controller IC1, the two ends of loop aerial TX connect respectively the antenna terminal of microwave induction controller IC1;

Monostable time delay circuit: it is comprised of time base circuit IC2, resistance R 1, timing capacitor C1, the model that time base circuit IC2 adopts is NE555; The anodal VCC of the 4th pin of time base circuit IC2 and the 8th pin connection circuit, the 2nd pin of time base circuit IC2 is connected with one end of resistance R 1 and the positive pole of timing capacitor C1 with the 6th pin, the anodal VCC of other end connection circuit of resistance R 1, the 1st pin of time base circuit IC2 and the negative pole connection circuit of timing capacitor C1 ground GND;

Electromagnetic water valve control circuit: it is comprised of resistance R 2, NPN transistor VT1, electromagnetic water valve DCF and silicon rectifier diode D1, the 3rd pin of time base circuit IC2 connects the base stage of NPN transistor VT1 by resistance R 2, the colelctor electrode of NPN transistor VT1 connects one end of electromagnetic water valve DCF coil and the positive pole of silicon rectifier diode D1, the anodal VCC of other end connection circuit of the negative pole of silicon rectifier diode D1 and electromagnetic water valve DCF coil, the emitter stage connection circuit ground GND of NPN transistor 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 that the utility model provides the embodiment circuit working schematic diagram of a public conveniences male with the automatic overflow cascade washers of trough urinal.

The specific embodiment

According to trough urinal automatic overflow cascade washers circuit working schematic diagram and accompanying drawing explanation for the public conveniences male shown in accompanying drawing 1, and according to annexation between components and parts in the each several part circuit described in utility model content, and the components and parts technical data described in embodiment requires and circuit production main points are implemented to realize the utility model, below in conjunction with embodiment, correlation technique of the present utility model is further described.

The technical data of components and parts and selection requirement

IC1 is microwave induction controller, and its model is TX982, and TX982 is inner containing microprocessor, operating voltage 6～15V of microwave induction controller IC2; The 1st pin (red line) of microwave induction controller IC2 meets DC power anode VCC, the 2nd pin (white wire) of microwave induction controller IC2, the 3rd pin of microwave induction controller IC2 (copper mesh line or other colo(u)r streak) connection circuit ground GND;

IC2 is time base circuit, and the model of selecting is NE555; NE555 is 8 pin, and packing forms is DIP;

D1 is silicon rectifier diode, and the model of selecting is 1N4001;

Resistance R 1 is selected 1/8～1/4W fixed carbon resister or metalfilmresistor, and its resistance is 220K Ω; The resistance of resistance R 2 is 12～22K Ω;

C1 is timing capacitor, and selecting capacity is the electrochemical capacitor of 100 μ F/16V;

DCF is electromagnetic water valve, and the model of selecting is DF0618L, and water service pipe bore is 15mm.

Circuit production main points and circuit debugging

The shell that must pay special attention to electric iron during welding is must ground connection good, to avoid the induced voltage of alternating current to puncture microwave induction controller IC1 internal electronic element!

Loop aerial TX is directly used the loop aerial with the configuration of microwave induction controller TX982 product;

The time delay length of monostable time delay circuit, resistance that can regulating resistance R1 or regulate the capacity of timing capacitor C1;

The automatic overflow cascade washers of men's trough urinal should be arranged on postmedian position in public lavatory, to increase microwave area, guarantee when having people to walk about, the loop aerial TX of microwave induction controller IC1 can effectively receive the reflection echo signal that human body produces, and the induction radius of loop aerial TX is 8～10m approximately;

Resistance R 2 is for regulating the operating current of electromagnetic water valve DCF, and the 12K Ω resistance of resistance R 2 is to use the recommendation of 12V dc source;

Maximum operating currenbt≤the 200mA of the automatic overflow cascade washers complete machine of men's trough urinal;

Applied hydraulic pressure is 0.05～0.6MPa; 0～45 ℃ of environment for use temperature; Environment for use humidity≤90%.

Claims

1. the automatic overflow cascade washers of trough urinal for public conveniences male, it comprises 12V dc source, microwave induced and detecting circuit, monostable time delay circuit, electromagnetic water valve control circuit, it is characterized in that:

In described microwave induced and detecting circuit, the model that microwave induction controller IC1 adopts is TX982, the anodal VCC of the 1st pin connection circuit of microwave induction controller IC1, the 2nd pin of microwave induction controller IC1 connects the 2nd pin and the 6th pin of time base circuit IC2, the 3rd pin connection circuit ground GND of microwave induction controller IC1, the two ends of loop aerial TX connect respectively the antenna terminal of microwave induction controller IC1;

Described monostable time delay circuit is comprised of time base circuit IC2, resistance R 1, timing capacitor C1, and the model that time base circuit IC2 adopts is NE555; The anodal VCC of the 4th pin of time base circuit IC2 and the 8th pin connection circuit, the 2nd pin of time base circuit IC2 is connected with one end of resistance R 1 and the positive pole of timing capacitor C1 with the 6th pin, the anodal VCC of other end connection circuit of resistance R 1, the 1st pin of time base circuit IC2 and the negative pole connection circuit of timing capacitor C1 ground GND;

Described electromagnetic water valve control circuit is comprised of resistance R 2, NPN transistor VT1, electromagnetic water valve DCF and silicon rectifier diode D1, the 3rd pin of time base circuit IC2 connects the base stage of NPN transistor VT1 by resistance R 2, the colelctor electrode of NPN transistor VT1 connects one end of electromagnetic water valve DCF coil and the positive pole of silicon rectifier diode D1, the anodal VCC of other end connection circuit of the negative pole of silicon rectifier diode D1 and electromagnetic water valve DCF coil, the emitter stage connection circuit ground GND of NPN transistor 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.