CN2157381Y

CN2157381Y - Valve open-and-close state signaling device

Info

Publication number: CN2157381Y
Application number: CN 93202811
Authority: CN
Inventors: 王悦蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-02-03
Filing date: 1993-02-03
Publication date: 1994-02-23
Anticipated expiration: 2003-02-03

Abstract

The utility model relates to a valve open-and-close state signaling device which is especially suitable for informing valve open-and-close states of domestic gas. The valve open-and-close state signaling device is composed of an electrical signal generator (2), an output device (4) and a sensor (3). The sensor (3) is arranged on a valve (5). When the valve (5) is turned on, the sensor (3) outputs signal to trigger the electrical signal generator (2) to work and drive the output device (4) sending out audible and visible signal to attract users' full attention. When the operation is completed, the valve can be closed in time, so operation accident is avoided.

Description

Valve open-and-close state signaling device

The utility model is the device that is applicable to that the pipe valve on off state is notified.

The on off state of daily used pipe valve can not be pointed out, and this has caused trouble for many use occasions, even leads to disaster.For example, the stopcock of domestic gas pipeline outlet end (or ball valve) often causes gas leakage, explosive accident because of forgetting to cut out after using.

The utility model provides a kind of device of notifying of initiatively bulletin valve switch state.

The utility model is achieved in that and is provided with a sensor on valve, the output of this sensor links to each other with an electric signal generator, when valve is in when opening or closing state, the output terminal of sensor produces potential change, the state of electric signal generator changes thereupon, thereby the control output unit produces needed sound or/and the light cue.

Sensor in the device can be dry-reed, hall effect type, the Mechanical Contact formula or photoelectric.Installation requirement be satisfy when valve core movement when opening or closing the position, the variation that is enough to produce a magnetic field, displacement or illumination intensity.This variation is finally converted into the variation into electric weight by the perception of the sensing element of sensor institute.

This device can be notified with tangible signal in the process that valve is opened, and causes giving one's full attention to of user, avoids misoperation, and circuit is simple, cost is low, the power consumptive province, is particularly suitable for civilian micro valve supporting.

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Fig. 1 is a theory diagram of the present utility model.

Fig. 2 is valve, the sensor generalized section of present embodiment.

Fig. 3 is the utility model embodiment one a electrical schematic diagram.

Fig. 4 is the utility model embodiment one a deck shape schematic representation.

Fig. 5 is the magnet holder shape schematic representation of present embodiment.

Fig. 6 is the utility model embodiment two a deck shape schematic representation.

Fig. 7 is the utility model embodiment two a electrical schematic diagram.

Fig. 8 is the utility model embodiment three a deck shape schematic representation.

Fig. 9 is the utility model embodiment three a electrical schematic diagram.

Associated components position view when Figure 10 is present embodiment valve closing state.

Associated components position view when Figure 11 is present embodiment valve open state.

In Fig. 1, power supply ［ 1 ］ can adopt battery or rectifier power source, output unit ［ 4 ］ is a piezoelectric buzzer, the output of sensor ［ 3 ］ changes with the change of valve ［ 5 ］ state, electric signal generator ［ 2 ］ can be other model that can buy on 555 type CMOS speech ICs or the market, its state is subjected to the control of sensor ［ 3 ］, A termination high petential, when the current potential of control end B reaches threshold value, produce voice telecommunication number promotion back level piezoelectric buzzer ［ 4 ］ sounding at C, D end.

Fig. 2 is that present embodiment indication sensor ［ 3 ］ is provided with the position sectional view on valve ［ 5 ］, valve shown in this example is a plug valve, sensor comprises dry reed-pipe ［ 9 ］ and the deck ［ 10 ］ that is installed on the valve body ［ 11 ］ and is installed in magnet ［ 6 ］ and magnet holder ［ 8 ］ on the spool ［ 7 ］ that the on/off of dry reed-pipe ［ 9 ］ is subjected to magnet ［ 6 ］ control.When valve ［ 5 ］ when being shown in an open position, as shown in figure 11, dry reed-pipe ［ 9 ］ is drawn close mutually with magnet ［ 6 ］, and dry reed-pipe is by the adhesive conducting, the rising of B point current potential, and speech IC is triggered; Behind the valve closing, as shown in figure 10, dry reed-pipe ［ 9 ］ opens circuit because of leaving with magnet ［ 6 ］, and B point current potential descends, and speech IC ends because of triggerless.

Fig. 3 has provided embodiment one electrical schematic diagram.The a pin of speech IC IC connects positive source, and the e pin connects power cathode, and the output of c pin drives a piezoelectric buzzer HA sounding, dry reed-pipe K one termination positive supply, and the other end is connected on the b pin of speech IC, insertion switch control signal.This speech IC can proper functioning under 3V voltage.

The sensor of this newspaper T unit ［ 3 ］ can be again a mechanical contact-type, as shown in Figure 6 and Figure 7.When valve is opened, promote switch with mechanical contact S ［ 12 ］ and connect (referring to Figure 11); Behind the valve closing, switch with mechanical contact S ［ 12 ］ disconnects (referring to Figure 10), and late-class circuit produces corresponding actions in view of the above.

The sensor of this newspaper T unit ［ 3 ］ can also be a hall effect type, as Fig. 8 and shown in Figure 9.When valve is opened, the close Hall magnetosensitive device ［ 13 ］ (referring to Figure 11) of magnet ［ 6 ］, Hall magnetosensitive device ［ 13 ］ conducting, triode V is because of base potential decline conducting, and b point current potential raises; Otherwise when valve closing, magnet ［ 6 ］ is away from Hall magnetosensitive device ［ 13 ］ (referring to Figure 10), and Hall magnetosensitive device ［ 13 ］ presents high-impedance state, and triode V ends, and b point current potential descends.The working state of speech IC as described above.

When supply voltage during at 12 volts, the component parameters among Fig. 9 can be selected as follows: R1=10K, and R2=1K, R3=390 ohm, the C1=220 microfarad, triode V selects 3CG201 for use, and diode VD selects 2CW7B for use, and the Hall magnetosensitive device is selected the UGN3020 type for use.

This newspaper T unit is installed in civil pipeline coal gas and registers one's residence on the valve of pipeline outlet end, can play tangible suggesting effect to forgeing the valve state of closing, and prevents the leakage of coal gas effectively; Device proper is simple in structure, reliable in action, and the power consumptive province, popularizing application prospect is wide.

Claims

1, a kind of valve switch state device of notifying, be specially adapted to notifying of civil pipeline gas valve on off state, it is characterized in that: this device is made up of electric signal generator [2], output unit [4] and sensor [3], sensor [3] is located on the valve [5], is used for detecting the on off state of valve.

2, according to the valve switch state of claim 1 device of notifying, it is characterized in that: said sensor ［ 3 ］ comprises magnet ［ 6 ］ and is subjected to the dry reed-pipe ［ 9 ］ of magnet ［ 6 ］ control on/off.

3, according to the valve switch state of claim 2 device of notifying, it is characterized in that: said magnet ［ 6 ］ is located on the spool ［ 7 ］, moves with spool ［ 7 ］.

4, according to the valve switch state of claim 1 device of notifying, it is characterized in that: said electric signal generator ［ 2 ］ is a CMOS speech IC.

5, according to the valve switch state of claim 1 device of notifying, it is characterized in that: said sensor ［ 3 ］ is a switch with mechanical contact.

6, according to the valve switch state of claim 1 device of notifying, it is characterized in that: said sensor ［ 3 ］ is a Hall magnetosensitive device sensor.