CN201497535U

CN201497535U - Gas meter provided with no mechanical counter

Info

Publication number: CN201497535U
Application number: CN200920177061XU
Authority: CN
Inventors: 李伦章
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-09-25
Filing date: 2009-09-25
Publication date: 2010-06-02
Anticipated expiration: 2019-09-25

Abstract

The utility model discloses a gas meter provided with no mechanical counter, comprising a meter shell, a metering cavity, a gas outlet pipe seat, two big pull rods, two small pull rods, a valve cover and a reversion stop part used for preventing the valve cover from rotating reversely, wherein the metering cavity is provided with the valve cover, and the outer wall of the metering cavity is provided with the gas outlet pipe seat and the reversion stop part; one ends of the two big pull rods are respectively fixed with a shaft driven by a diaphragm arranged inside the metering cavity, and the other ends are articulated with one ends of the two small pull rods; and the other ends of the two small pull rods are fixed on the valve cover by gemel. The gas meter is characterized by further comprising an electronic counting system. The gas meter has the benefits that by omitting the traditional mechanical counter and utilizing the electronic counting system for counting, the gas meter avoids the problems of inherent abrasion and inaccurate counting of the traditional mechanical counter, and reduces the maintaining cost; furthermore, infrared ray and a handheld meter reader are adopted for communication, so that the efficiency is improved, and convenience is brought to data acquisition and processing of later period.

Description

The gas meter, flow meter that does not have mechanical counter

Technical field:

The utility model relates to gas meter, flow meter, the gas meter, flow meter that is specifically related to not have mechanical measuring apparatus, communicates by letter with handheld reading meter device by infrared ray.

Background technology:

Traditional gas meter, flow meter generally all adopts mechanical counting device, as character wheel, also adopt electronic counter simultaneously, provide signal but all be based on mechanical counting device, do not avoid the intrinsic wearing and tearing of mechanical counting device and influence the life-span, and the problem that influences measuring accuracy because of inter-module friction force.And because be to come video data, be also rather inconvenience, influenced the accurate of data acquisition checking meter by character wheel, increased personnel's working strength, work efficiency also is difficult to improve, and also needs manual in the processing of typing computer, the requirement of incompatibility modern handle official bussiness after the data aggregation.

So traditional gas meter, flow meter exists too much, big, a bit raising of accuracy of wearing and tearing of mechanical part, data acquisition inconvenience, the problem of also inconvenient data later stage acquisition process.

The utility model content:

The utility model is intended to solve traditional gas meter, flow meter and has too much, big, a bit raising of accuracy of wearing and tearing of mechanical part, data acquisition inconvenience, the problem of also inconvenient data later stage acquisition process.

For reaching above-mentioned purpose, the utility model adopts following scheme: the gas meter, flow meter that does not have mechanical counter, comprise: watchcase, the metering cavity, the base of giving vent to anger, two big pull bars, two lower link bars, valve gap, be used to prevent the rotating shaft that ends anti-parts and drive valve gap of valve gap counter-rotating, described metering cavity is provided with valve gap and rotating shaft, the center pit of described valve gap is enclosed within on the gear of rotating shaft, the outer wall of metering cavity is provided with gives vent to anger base and ends anti-parts, described two big pull bar one ends are fixing with the axle that diaphragm drove that measures in the cavity respectively, the other end and two lower link bar one ends are hinged, the other end of described two lower link bars, is characterized in that: also comprise the electronic counting system due to rotating shaft by hinges fixing.

The gas meter, flow meter of the nothing machinery counter that provides according to the utility model, described electronic counting system comprises: described electronic counting system comprises: be used to produce the tongue tube parts of pulse signal, be used to cooperate the magnet of tongue tube parts and the fixing dry reed-pipe bracket of tongue tube parts; Described magnet is arranged on the valve gap, and described dry reed-pipe bracket is arranged at the metering chamber outer wall, is fixed with the tongue tube parts on the dry reed-pipe bracket, the end of described reed pipe parts and described magnet clearance fit.

The gas meter, flow meter of the nothing machinery counter that provides according to the utility model, described electronic counting system also comprises: the handheld reading meter device that is used for record data, the infrared ray of communicating by letter with handheld reading meter device is accepted, transmitter, the display that is used for video data and gas meter, flow meter state, power supply, the mainboard support that is used to handle the mainboard of tongue tube pulse signal that parts are sent out, storage deal with data, control display and infrared ray acceptance, transmitter and is used for fixing mainboard;

Described mainboard is provided with the microprocessor that is used for deal with data, temporary ephemeral data and storage memory of data and is used to represent the hummer of state, and display and infrared ray are accepted, transmitter; The microprocessor of described mainboard is connected with power supply with infrared ray acceptance, transmitter, display, tongue tube parts, storer, hummer by corresponding control circuit respectively;

Described mainboard support is provided with and the watchcase outside, mainboard is fixed on the mainboard support, watchcase also is provided with the shell that is used to protect mainboard, in described power supply setting and the described shell, shell is provided with the view window of observation display at the display place, be provided with passing through ultrared optical filter at infrared ray acceptance, transmitter place;

Described handheld reading meter device is connected with infrared ray acceptance, transmitter by infrared ray.

The gas meter, flow meter of the nothing machinery counter that provides according to the utility model, described magnet is alnico magnets, is provided with one at least along the round boss edge of valve gap.

The gas meter, flow meter of the nothing machinery counter that provides according to the utility model, described display is a LCDs.

The beneficial effects of the utility model are:

1, removes the traditional mechanical counting assembly, by the structure of simple tongue tube cooperation magnet, the conversion of motion of will unloading is an electric impulse signal, to pass through the electronic counting system counts, avoid intrinsic wearing and tearing of traditional mechanical counting assembly and the inaccurate problem of counting, also lowered maintenance cost;

2, adopt infrared ray to communicate by letter, reduced personnel's working strength, improved work efficiency and data recording accuracy, and provide convenience for late time data collection and processing with handheld reading meter device.

Description of drawings:

Fig. 1 is an inner structure synoptic diagram of the present utility model;

Fig. 2 is an external structure synoptic diagram of the present utility model;

Fig. 3 is an electronic counting system architecture synoptic diagram of the present utility model;

Fig. 4 is an infrared ray connected mode synoptic diagram of the present utility model;

Among the figure: 1, valve gap, 2, lower link bar, 3, big pull bar, 4, the base of giving vent to anger, 5, magnet, 6, the tongue tube parts, 7, dry reed-pipe bracket, 8, mainboard, 9, display, 10, infrared ray accepts, transmitter, 11, the mainboard support, 12, driving lever, 13, gear, 14, watchcase, 15, end anti-parts, 16, note amount cavity, 17, optical filter, 18, air intake opening, 19, gas outlet, 20, power supply, 21, rotating shaft.

Embodiment:

Below in conjunction with Figure of description this embodiment is further specified: watchcase 14, metering cavity 16, the base 4 of giving vent to anger, two big pull bars 3, two lower link bars 2, valve gap 1, the rotating shaft 21 that is used to prevent the anti-parts 15 of ending of valve gap 1 counter-rotating and drives valve gap 1, described metering cavity 16 is provided with valve gap 1 and rotating shaft 21, the center pit of described valve gap 1 is enclosed within on the gear of rotating shaft 21, the outer wall of metering cavity 16 is provided with gives vent to anger base 4 and ends anti-parts 15, described two big pull bar one ends are fixing with the axle that diaphragm drove that measures in the cavity respectively, the other end and two lower link bar 2 one ends are hinged, and the other end of described two lower link bars 2 schedules rotating shaft 21 by hinges fixing.

Shown in Fig. 1～2, this gas meter, flow meter that does not have mechanical counter comprises:;

Shown in Fig. 1～4, this gas meter, flow meter that does not have mechanical counter also is provided with the electronic counting system, comprise: the handheld reading meter device that is used for record data, the infrared ray of communicating by letter with handheld reading meter device is accepted, transmitter 10, the display 9 that is used for video data and gas meter, flow meter state, power supply 20, be used to handle tongue tube parts 6 pulse signal of sending out, store deal with data, control display and infrared ray are accepted, the mainboard 8 of transmitter 10, be used to produce the tongue tube parts 6 of pulse signal, be used for the magnet 5 that cooperates with tongue tube, fixedly the dry reed-pipe bracket 7 of tongue tube parts 6 and be used for fixing the mainboard support 11 of mainboard 8;

Described magnet 5 is arranged on the valve gap 1, be fixed with tongue tube parts 6 on the described dry reed-pipe bracket 7, the end of described reed pipe parts 3 and described magnet clearance fit, described mainboard 8 is provided with the microprocessor that is used for deal with data, temporary ephemeral data and storage memory of data and is used to represent the hummer of state, and display 9 and infrared ray are accepted, transmitter 10; The microprocessor of described mainboard 8 is connected with power supply 20 with infrared ray acceptance, transmitter 10, display 9, tongue tube parts 6, storer, hummer by corresponding control circuit respectively;

Described mainboard support 11 is provided with and watchcase 14 outsides, mainboard 8 usefulness screw rods and fixed by nut are on mainboard support 11, watchcase 14 also is provided with the shell that is used to protect mainboard 8, in described power supply 20 settings and the described shell, shell is provided with the view window of observation display 9 at display 9 places, be provided with passing through ultrared optical filter 17 at infrared ray acceptance, transmitter 10 places;

Described handheld reading meter device is connected with infrared ray acceptance, transmitter 10 by infrared ray.

Magnet 5 is alnico magnets, evenly is provided with 4 along the round boss edge of valve gap 1.

Magnet 5 can also be arranged on driving lever 12, gear 13, rotating shaft 21 or other rotary parts, and corresponding change is done in tongue tube parts 6 positions, with magnet 5 clearance fit.

Principle of work of the present utility model is: combustion gas enters metering cavity 16 by air intake opening 18 through valve gap 1, discharges gas meter, flow meter through the base 4 of giving vent to anger, gas outlet 19 again; In the fuel gas flow process, the diaphragm in the pressure official post measurement chamber body 16 swings back and forth, and the small rod 10 that links to each other of drive, big pull bar 11 move reciprocatingly, thereby drives rotating shaft 21 and valve gap 1 rotation, ends anti-parts 15 and can prevent valve gap 1 counter-rotating; Valve gap 1 rotating band moving magnet 5 produces the microprocessor of pulse signal to mainboard 8 through reed pipe parts 3, will be updated to storer after cooperating deal with data by storer, and express current combustion gas quantity by display 9, hummer, state (as warning); Infrared ray is accepted, transmitter 10 is in holding state when flat, after receiving the request signal of handheld reading meter device, quantity and status data can be transferred to handheld reading meter device.

Handheld reading meter device can directly send the back-end data process computer to after collecting data, for late time data collection and processing are provided convenience.

Claims

1. the gas meter, flow meter that does not have mechanical counter, comprise: watchcase (14), metering cavity (16), the base (4) of giving vent to anger, two big pull bars (3), two lower link bars (2), valve gap (1), be used to prevent the rotating shaft (21) that ends anti-parts (15) and drive valve gap (1) of valve gap (1) counter-rotating, described metering cavity (16) is provided with valve gap (1) and rotating shaft (21), the center pit of described valve gap (1) is enclosed within on the gear of rotating shaft (21), the outer wall of metering cavity (16) is provided with the base of giving vent to anger (4) and ends anti-parts (15), described two big pull bar one ends are fixing with the axle that diaphragm drove that measures in the cavity respectively, the other end and two lower link bar (2) one ends are hinged, the other end of described two lower link bars (2), is characterized in that: also comprise the electronic counting system due to rotating shaft (21) by hinges fixing.

2. the gas meter, flow meter of no mechanical counter according to claim 1, it is characterized in that: described electronic counting system comprises: be used to produce the tongue tube parts (6) of pulse signal, be used to cooperate the magnet (5) of tongue tube parts (6) and the fixing dry reed-pipe bracket (7) of tongue tube parts (6); Described magnet (5) is arranged on the valve gap (1), and described dry reed-pipe bracket (7) is arranged at metering cavity (16) outer wall, is fixed with tongue tube parts (6) on the dry reed-pipe bracket (7), the end of described reed pipe parts (3) and described magnet (5) clearance fit.

3. the gas meter, flow meter of no mechanical counter according to claim 1 is characterized in that:

Described electronic counting system also comprises: the handheld reading meter device that is used for record data, the infrared ray of communicating by letter with handheld reading meter device is accepted, transmitter (10), the display (9) that is used for video data and gas meter, flow meter state, power supply (20), the mainboard support (11) that is used to handle the mainboard (8) of tongue tube parts (6) pulse signal of sending out, storage deal with data, control display and infrared ray acceptance, transmitter (10) and is used for fixing mainboard (8);

Described mainboard (8) is provided with the microprocessor that is used for deal with data, temporary ephemeral data and storage memory of data and is used to represent the hummer of state, and display (9) and infrared ray are accepted, transmitter (10); The microprocessor of described mainboard (8) is connected with power supply (20) with infrared ray acceptance, transmitter (10), display (9), tongue tube parts (6), storer, hummer by corresponding control circuit respectively;

Described mainboard support (11) is provided with and watchcase (14) outside, mainboard (8) is fixed on the mainboard support (11), watchcase (14) also is provided with the shell that is used to protect mainboard (8), in described power supply (20) setting and the described shell, shell locates to be provided with the view window of observation display (9) at display (9), accepts at infrared ray, transmitter (10) locates to be provided with by ultrared optical filter (17);

Described handheld reading meter device is connected with infrared ray acceptance, transmitter (10) by infrared ray.

4. the gas meter, flow meter of no mechanical counter according to claim 2, it is characterized in that: described magnet (5) is alnico magnets, is provided with one at least along the periphery of valve gap (1).

5. the gas meter, flow meter of no mechanical counter according to claim 3 is characterized in that: described display (9) is LCDs.