CN201024503Y

CN201024503Y - Motor train set toilet contact-free water-saving device

Info

Publication number: CN201024503Y
Application number: CNU2007201083755U
Authority: CN
Inventors: 谭启仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-20
Filing date: 2007-04-20
Publication date: 2008-02-20
Anticipated expiration: 2017-04-20

Abstract

The utility model discloses a contactless water-saving device in multiple unit train close-stools, and relates to a toilet water-saving device, in particular to a contactless water-saving device of field effect transistor voltage induction in multiple units train close-stools. The utility model is characterized in that the utility model has two groups of field effect transistor voltage induction devices that consist of field effect transistors and operational integrated circuits that are connected with the input ends of single chip microcomputers; the output ends of the single chip microcomputers are connected with the input ends of two groups of switch resistors with two opposite polarities; and the two groups of switch resistors with two opposite polarities are connected with electromagnetic valve coils that are in series connection in the two sides of a toilet flushing pipe. The two groups of field effect resistor voltage induction devices are respectively designated that stool flushing water amount is six liters and urine flushing water amount is three liters, which are at the choice of users. The utility model makes up the deficiency that photoelectric flushing devices in multiple units train toilets of prior arts can not differentiate urinating and defecating and flush accordingly by one single photoelectric inductor, and is advantageous to water saving.

Description

A kind of motor train unit train toilet exempts to contact water saving fixtures

Technical field

The utility model relates to a kind of water-saving device of closet, and particularly a kind of motor train unit train toilet FET voltage induced exempts to contact water saving fixtures.

Background technology

The utility model is before the applying date, and the single photoelectric sensor of prior art motor train unit train toilet photoelectricity flushometer does not have the scarce filling of distinguishing the excrements bath, is unfavorable for using water wisely.

Summary of the invention

The purpose of this utility model provides a kind of motor train unit train toilet and exempts to contact water saving fixtures.

The technical scheme that its technical problem that solves the utility model adopts is: this device comprises the single-chip microcomputer imput output circuit; Its architectural feature is to have two groups of FET voltage induced devices, FET voltage induced device is made up of FET and amplifier integrated circuit, the drain electrode of FET is connected with the in-phase input end of amplifier integrated circuit, and the inverting input of amplifier integrated circuit is connected to fixed voltage; The output of amplifier integrated circuit is connected with the single-chip microcomputer input respectively, the single-chip microcomputer output is connected with two groups of opposite polarity switching tube inputs respectively, two groups of opposite polarity switching tubes are connected with electromagnetic valve coil, and electromagnetic valve is serially connected in water-closet bowl flushing pipe two ends.The single-chip microcomputer output is connected with luminous tube.

The beneficial effects of the utility model are that two groups of FET voltage induced devices are defined as 6 liters of stool baths respectively and urine is washed by water 3 liters, select for use for the user.The single photoelectric sensor that has overcome prior art motor train unit train toilet photoelectricity flushometer does not have the scarce filling of distinguishing the excrements bath, helps using water wisely.

Description of drawings

The utility model is described in further detail below by accompanying drawing.

Accompanying drawing 1 is an electrical schematic diagram of the present utility model.

The specific embodiment

Consult Fig. 1.Single-chip microcomputer is the PIC16C54 8-bit microcontroller of U.S. Microchip company among the figure.

Two groups of FET voltage induced devices are made up of FET 3DJ6 and amplifier integrated circuit LM358 respectively, the drain electrode of FET 3DJ6 is connected with the in-phase input end of amplifier integrated circuit LM358, and the inverting input of amplifier integrated circuit LM358 is connected to fixed voltage; The output of amplifier integrated circuit LM358 is connected with single-chip microcomputer PIC16C54 input I/O (1), I/O (2) respectively, single-chip microcomputer PIC16C54 output I/O (3), I/O (4), I/O (5), I/O (6) are connected with two groups of opposite polarity switching tube G1, G2, G3, G4 inputs respectively, two groups of opposite polarity switching tube G1, G2, G3, G4 are connected with electromagnetic valve coil L, and electromagnetic valve is serially connected in water-closet bowl flushing pipe two ends.Single-chip microcomputer PIC16C54 output I/O (7), I/O (8) are connected with luminous tube D1, D2 respectively.

Claims

1. a motor train unit train toilet exempts to contact water saving fixtures, comprises the single-chip microcomputer imput output circuit; It is characterized in that having two groups of FET voltage induced devices, FET voltage induced device is made up of FET and amplifier integrated circuit, the drain electrode of FET is connected with the in-phase input end of amplifier integrated circuit, and the inverting input of amplifier integrated circuit is connected to fixed voltage; The output of amplifier integrated circuit is connected with the single-chip microcomputer input respectively, the single-chip microcomputer output is connected with two groups of opposite polarity switching tube inputs respectively, two groups of opposite polarity switching tubes are connected with electromagnetic valve coil, and electromagnetic valve is serially connected in water-closet bowl flushing pipe two ends.