CN2410339Y

CN2410339Y - Automatic controller for water closet

Info

Publication number: CN2410339Y
Application number: CN 00200343
Authority: CN
Inventors: 王典敬
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-01-10
Filing date: 2000-01-10
Publication date: 2000-12-13
Anticipated expiration: 2010-01-10

Abstract

The utility model provides an automatic controller for toilets, which adopts a single chip computer to carry out centralized control to toilet bowls, urinals, wash bowls, dispensers for liquid soap, hand driers, lighting lamps, etc. in toilets. The utility model has the characteristics of sensitive response, strong stability, high safety, and low cost. If the automatic controller for toilets is used, large amounts of water and electricity consumption of toilets can be saved, and the infection of pathogenic bacteria can be effectively prevented.

Description

The washroom automatic controller

The utility model relates to a kind of automatic controller, particularly a washroom automatic controller.

Present washroom generally all exists and wastes water, the phenomenon of electricity, particularly the water of communal bathroom, electric wasting phenomenon are very serious, normal bright lamp, perennial draingage phenomenon are very general, if by manual on-off switch of user and valve, also exist unhygienic, easily produce the problems such as cross-infection of bacterium and virus.For addressing this problem, some washrooms have been brought into use the washroom automatic controller, but present washroom automatic controller all adopts the mode of single control, be that each controller can only be controlled a flowing water Valve or electric switch, sort controller exists that product does not match, the shortcoming of unstable properties, and costs an arm and a leg.Such as, provide a kind of infrared rays Automatic closet flushing circuit for the 397th page at " household electronic " magazine bound volume in 1997, it is made a return journey the time by an infrared signal transceiver circuit induction people's, and when leaving, the people electromagnetic valve action is flushed the toilet by a drive circuit, this Automatic closet flushing circuit can only be used to control an electromagnetic valve, if will be to the multiple device in the washroom, control as illuminating lamp, urinal, lavatory pan, hand washer, hand dryer, soap lye feeder etc., then several automatic controllers need be installed.

The purpose of this utility model is: providing a kind of can carry out central controlled washroom automatic controller to two or more devices in the washroom simultaneously.

Above-mentioned purpose is achieved through the following technical solutions: a kind of washroom automatic controller, contain a power circuit, an electric leakage, overvoltage and current foldback circuit, an infrared signal transceiver circuit, at least two driving circuit for electromagnetic valve, a single-chip microcomputer, the zero cross detection circuit of this single-chip microcomputer and one release the infrared induction circuit of infrared induction signal to this single-chip microcomputer input people body heat, wherein the infrared signal transceiver circuit be one by an integrated transporting discharging, frequency decoder and at least two infrared emission receive the infrared signal timesharing transceiver circuit that head and peripheral cell are formed; Single-chip microcomputer according to the inner center frequency signal that produces of frequency decoder control each infrared emission receive in the head infrared transmitting tube successively, circulation emission infrared light, each infrared emission receives the signal of the infrared receiving tube reception in the head after integrated transporting discharging amplifies, again through frequency decoder input single-chip microcomputer; The infrared induction circuit is that the heat of WT8072 is released infrared control module and peripheral cell is formed by infrared probe, model, the output of infrared induction probe connects the input that heat is released infrared control module, and the output that heat is released infrared control module connects the INT0 end of above-mentioned single-chip microcomputer.

Above-mentioned single-chip microcomputer can be GMS97C2051, also can be GMS97C51.

When the people entered into the search coverage of infrared probe, the infrared induction circuit was imported the INT0 mouth of single-chip microcomputer with signal, starts its work.When the infrared light that sends when infrared transmitting tube was stopped by human body, the infrared signal transceiver circuit imported signal into single-chip microcomputer, and single-chip microcomputer is by the action of driving circuit for electromagnetic valve control electromagnetic valve.

Because the utility model adopts at least two driving circuit for electromagnetic valve, then can control as lavatory pan, urinal, soap lye feeder, hand washer, shower etc. simultaneously at least two toilet devices.

The utility model is described in further detail below in conjunction with embodiment and accompanying drawing:

Fig. 1 is the circuit block diagram of the utility model washroom automatic controller;

Fig. 2 is the circuit theory diagrams of the utility model washroom automatic controller.

Referring to Fig. 1; the utility model washroom automatic controller contains a power circuit 2; electric leakage, overvoltage and an overcurrent protection electric current 1; an infrared signal transceiver circuit 5; a single-chip microcomputer IC6, the zero cross detection circuit 3 of this single-chip microcomputer and one release the infrared induction circuit 4 of infrared induction signal, illuminating lamp drive circuit 6, hand dryer drive circuit 7 and four driving circuit for electromagnetic valve 8 to this single-chip microcomputer input people body heat.

Referring to Fig. 2, the core devices of the utility model washroom automatic controller is single-chip microcomputer IC6, and that this embodiment adopts is GMS97C2051, and it includes 8 bit CPUs; 128 byte RAM; 2K byte EPROM; 15 I/O mouths; Two 16 bit timings/counters; 5 interrupt sources, two priority.Have, lower-price characteristic compatible fully with MCS-51 series.Having adopted model is that the μ p monitoring chip IC5 of IMP810L is as its reset circuit.

Electric leakage, overvoltage and current foldback circuit 1 be based on the TX-10-1 of sky Star type leakage protecting plug 11, and increased current limiter FS, fuse FU on its basis and be used for the capacitor C 4 that anti-instantaneous high pressure impacts.This circuit has working stability, is quick on the draw, safe and reliable characteristics.

The alternating voltage of carrying by electric leakage, overvoltage and current foldback circuit 1 in power circuit 2 through transformer T step-down, bridge rectifier, capacitor filtering; be after 7805 the integrated regulator IC1 voltage stabilizing by model; obtain+the 5V DC voltage, for single-chip microcomputer IC6 and other circuit provide working power.

Zero cross detection circuit 3 is made up of two triode VT1, VT2 and peripheral cell thereof.When commutating pulse signal zero passage, VT1 ends, the VT2 conducting, and the 0.01S clock pulse signal of generation is delivered to the INT1 mouth of single-chip microcomputer IC6, as the timing time-base signal and the assurance bidirectional triode thyristor zero cross fired of complete machine.

Infrared induction circuit 4 is that the heat of WT8072 is released infrared control module IC2 and peripheral cell is formed by infrared probe PIR, model, the output of infrared induction probe PIR connects the input that heat is released infrared control module IC2, and the output that heat is released infrared control module IC2 connects the INT0 end of above-mentioned single-chip microcomputer IC6.Contain one in this circuit by two resistance R 11, R12 and two initialization circuits time delay that capacitor C 12, C13 constitute, control the time delay that illuminating lamp is closed with it.

Infrared signal transceiver circuit 5 is one and is LM567 by an integrated transporting discharging IC3, model frequency decoder IC4 and five infrared emission receive the infrared signal timesharing transceiver circuits that a V1, V2, V3, V4, V5 and peripheral cell are formed; Single-chip microcomputer IC6 according to the inner center frequency signal control infrared emission that produces of frequency decoder IC4 receive among a V1, V2, V3, V4, the V5 infrared transmitting tube successively, circulation emission infrared light, infrared emission receives the signal of the infrared receiving tube reception among a V1, V2, V3, V4, the V5 after integrated transporting discharging IC3 amplifies, again through frequency decoder IC4 input single-chip microcomputer IC6.

It is time base circuit IC7 and the relay J 1 control illuminating lamp of LM555 that illuminating lamp drive circuit 6 adopts model.

Hand dryer drive circuit 7 adopts relay J 2 control hand dryers 71.

Driving circuit for electromagnetic valve adopts bidirectional triode thyristor VS1, VS2, VS3, VS4 control electromagnetic valve FV1, FV2, FV3, FV4.

Above-mentioned four electromagnetic valves can be used separately as the switch of lavatory pan, shower, washbasin, soap lye feeder.This washroom automatic controller is suitable between domestic hygiene, and for communal bathroom, can adopt model is the single-chip microcomputer of GMS97C51, and increases the quantity of driving circuit for electromagnetic valve.

Should be understood that; for the person of ordinary skill of the art; under the prerequisite that does not break away from the utility model principle; can also carry out some kinds to this device improves or modification; as adopt the single-chip microcomputer of other model, different drive circuits, different heat to release infrared control module, this automatic controller be used to shower of controlling bathhouse etc., these improvement or modification all should be considered as belonging to protection domain of the present utility model.

Claims

1, a kind of washroom automatic controller, contain a power circuit (2), an electric leakage, overvoltage and current foldback circuit (1), an infrared signal transceiver circuit (5), a driving circuit for electromagnetic valve, it is characterized in that: it also contains a single-chip microcomputer (IC6), the zero cross detection circuit of this single-chip microcomputer (3), release infrared induction circuit (4) and at least one driving circuit for electromagnetic valve of infrared induction signal to this single-chip microcomputer input people body heat for one, wherein the infrared signal transceiver circuit be one by an integrated transporting discharging (IC3), a frequency decoder (IC4) and at least two infrared emission receive the infrared signal timesharing transceiver circuit that head and peripheral cell are formed; Single-chip microcomputer (IC6) according to the inner center frequency signal control infrared emission that produces of frequency decoder (IC4) receive in the head (V1, V2, V3, V4, V5) infrared transmitting tube successively, circulation emission infrared light, the TK infrared emission receives the signal of the infrared receiving tube reception in the head after integrated transporting discharging (IC3) amplifies, again through frequency decoder (IC4) input single-chip microcomputer (IC6); Infrared induction circuit (4) is that the heat of WT8072 is released infrared control module (IC2) and peripheral cell is formed by infrared probe (PIR), model, the output of infrared induction probe (PIR) connects the input that heat is released infrared control module (IC2), and the output that heat is released infrared control module (IC2) connects the INT0 end of above-mentioned single-chip microcomputer (IC6).

2, washroom according to claim 1 automatic controller, it is characterized in that: described single-chip microcomputer is GMS97C2051.

3, washroom according to claim 1 automatic controller, it is characterized in that: described single-chip microcomputer is GMS97C51.

4, according to claim 1,2 or 3 described washroom automatic controllers, it is characterized in that: it also contains an illuminating lamp drive circuit (6), and this circuit is controlled illuminating lamp by a time base circuit (IC7) and a relay (J1); Described infrared induction circuit (4) can be set the time delay of human body pyroelectric signal, and single-chip microcomputer (IC6) determines according to the human body pyroelectric signal whether illuminating lamp turn-off delay time and himself enter static duty.

5, according to claim 1,2 or 3 described washroom automatic controllers, it is characterized in that: it also contains a hand dryer drive circuit (7), and this hand dryer drive circuit adopts relay (J2) as gauge tap.

6, washroom according to claim 4 automatic controller, it is characterized in that: it also contains a hand dryer drive circuit (7), and this hand dryer drive circuit adopts relay (J2) as gauge tap.