CN2249926Y

CN2249926Y - In advance charging device with automatic valves for coke-oven gas supplied through pipes

Info

Publication number: CN2249926Y
Application number: CN 95238119
Authority: CN
Inventors: 张松林; 方辉; 姚源
Original assignee: Individual
Current assignee: Yao Yuan; Zhang Songlin
Priority date: 1995-11-29
Filing date: 1995-11-29
Publication date: 1997-03-19
Anticipated expiration: 2005-11-29

Abstract

The utility model relates to a fee pre-charging device of automatic valve type for pipeline coal gas, which is composed of a control box, a power supply box, an electronic user card, a sensor, a gas meter, copper connectors, pipelines, etc. The structure of the fee pre-charging device which is split type has the advantages of reasonable design, full function, accurate metering, safety in anti-counterfeiting, dual-function for AC and DC, convenient operation, cheap price, easy assembly, easy disassembly, easy maintenance, etc. Additionally, the utility model has simple manufacturing process, easy availability of raw material and easy formation of mass production, capable of achieving the reasonable scientific management for fuel gas departments and meeting the needs of mass pipeline users, and suitable to be a novel and comparatively ideal fee pre-charging device for pipeline coal gas.

Description

Piped gas autovalve gate-type prepaid device

The utility model relates to a kind of piped gas autovalve gate-type prepaid device, and it is applicable to that gas supply department realizes the needs of prepaid, back usefulness gas scientific management, is specially adapted to the needs of intensive residential district housing-group usefulness gas.

As everyone knows, along with the rapid development of China's piped gas cause, piped gas the user enlarge day by day, register one's residence the work of checking meter just difficulty day by day, and the loss that causes because of expense in poor harvest or few tollbooth has become a burden greatly of China's expenditure.In order to change the present situation of difficult charge, realize the management of science, must develop a kind of new equipment or device, to adapt to combustion gas department and users' needs.For this reason, as far back as industry beginning of the eighties, just the someone has proposed automatic valve and prepaid, the conception of back usefulness gas system.Similar products like also emerges in an endless stream.The parts of this series products are taked the metal coin-feed more, or magnetic card type, or the intelligent IC cassette.As " coin-feed gas meter " (authorization notification number " 2086433 "), " piped gas magnetic card computer counter " (authorization notification number " 2170540 "), magnetic-card lock for gas pipeline " (notification number " 1089378 ") etc.Comparatively speaking coin-feed is simple in structure, but volume is big, and the user operates inconvenience, and anti-counterfeit capability is poor, is difficult for computer management; Magnetic card type, the low price of magnetic card own, but read-write equipment is expensive and antifouling ability; False proof, the antifouling ability of intellective IC card is strong, but costs an arm and a leg.All these products, its comprehensive function can't satisfy the requirement of gas supply department, thereby the end is applied.

Goal of the invention of the present utility model just provides a kind of safe in utilization, multiple functional, accurate measurement, cheap, easy operating, easy to maintenance and can satisfy the piped gas autovalve gate-type prepaid device of combustion gas department and user's needs.

The alleged prepaid device of the utility model, its technical scheme is such realization: it is made of parts such as control enclosure (1), power pack (2), electronic user card (3), sensor (4) and gas meter, flow meter (5) and pipelines.Control enclosure (1) is connected with gas meter, flow meter (5) by copper pipe joint (6), sensing gas (4) places gas meter, flow meter (5) inside, adopt pole line (7) to be connected between sensing gas (4) and the control enclosure (1), power pack (2) links to each other with control enclosure (1) by a deca-cable (8), and electronic user card (3) inserts in the socket (12) of power pack (2).It is characterized in that sensor (4) is made up of the groove (11), infrared-emitting diode (13) and the receiving tube (14) that mill out on the final drive gear in the gas meter, flow meter (5), support (15), bracket holes (16) and wire bonds hole (17).Control enclosure (1) is made up of air chamber (23), valve cover (24), valve mandril (25), O-ring seal (26), transmission gear box (27), motor (28), printing utmost point support (29), rechargeable battery (30), control circuit board (31) and shell (32).O-ring seal (26) is fixed in air chamber (23) mouth with screw, transmission gear box (27) and motor (28) are fixed on the transmission bracket (40), valve mandril (25) is installed in the push rod groove of support (40), rechargeable battery (30) and transmission bracket (40) are fixed on the base plate of control enclosure (1), control circuit board (31) is installed on the printed panel support (29), and support (29) is fixed on the base plate of control enclosure (1).Transmission gear box (27) is made up of worm screw (41), duplicate gear (42) and sector gear (43); Control circuit board (31) is provided with single machine unit (33), sensing reception of impulse unit (34), user data read-write cell (35), voltage warning unit (36), electric-motor drive unit (37), gas consumption pilot lamp driver element (38) and wire socket (39).Power pack (2) is made up of power light (9), gas consumption pilot lamp (10), printed panel (18), electronic user card socket (12), transformer (19) and rectification circuit (20); Pilot lamp (9), (10) are arranged on the panel of power pack (2), and transformer (19) and rectification circuit are welded on the printed panel (18), and printed panel (18) is fixed on the base plate of power pack (2).Electronic user card (3) is made up of shell (21), printed circuit board (PCB) (22) and serial electrically-erasable ROM (EEROM) chip (44), and chip (44) is welded on the printed circuit board (PCB) (22), and printed circuit board (PCB) (22) is fixed on the shell (21).Sensor (4) is fixed in the gas meter, flow meter (5) by bracket holes (16), near on the vertical plane of final drive gear one end, insert on the support (15) infrared tube (13), (14), link to each other with two positive poles of infrared tube (13), (14) and the negative pole of two diodes respectively with three core aerial condutors (7), and insert the sensing reception of impulse unit (34) of control enclosure (1).The principle of work of this device is like this: when gas meter, flow meter is ventilated, the driving final drive gear rotates, gap slot also rotates thereupon, when the notch face is parallel to the vertical plane of infrared tube, infrared receiving tube just provides a pulse, and by three core aerial condutors pass to infrared sensing receiving element in the control enclosure (the final drive gear revolution of existing character wheel display type gas meter, flow meter moves a week, be 0.01 and open tolerance, so pulse of sensing just represent 0.01 open tolerance).When sensing reception of impulse unit receives electric impulse signal, but single-chip microcomputer just deducts the numerical value in the subscriber card gas consumption storer a minimum measurement unit value (0.01 liter), but and judges that whether user's gas consumption is zero or less than zero.If, then send signal and give electric-motor drive unit, this moment motor action, the rotating band nutating gear case work of motor, transmission gear box drive again valve mandril towards move away from the valve cover direction, valve cover relies on deadweight and gaseous-pressure, closes airway.When user's tolerance was less than or equal to 3 liters, gas consumption pilot lamp drive unit drives pilot lamp was bright.When the electronic user card inserts power pack, the subscriber card date read-write cell reads data in the card, but by the validity of single-chip microcomputer judgment data, the user who reads is bought gas consumption add up in user's gas consumption storer, send enabling signal and pass to electric-motor drive unit, motor, transmission gear box successively, and drive valve mandril to moving, thereby back down valve cover near the valve cover direction.Power pack is normally hung on the wall the fixed head, when energized, civil power just often, power light is bright, and flows to control enclosure by low pressure (5 to the 6V) direct current of deca-cable after with rectification, during power failure, the pilot lamp breath goes out.Rechargeable battery plays voltage stabilizer when city's normal power supply is arranged, dashed simultaneously; During power failure, power from the trend device.Voltage warning unit is used for monitoring device voltage, when voltage drops to certain value, reports to the police to single-chip microcomputer, and the monolithic processor control device valve-off, and the user can be write to the electronic user card with value.When the user purchased gas, computing machine was write the card device relevant data is deposited in the serial electrically-erasable ROM (EEROM) chip, will be blocked by the user and insert in the power pack, and control enclosure reads card by deca-cable and goes up data.

The prepaid device that the utility model is alleged, the final drive gear breach (11) within its gas meter, flow meter (5) be one wide 3 millimeters, dark 3 millimeters groove, the notch cross section is vertical with the base plate of gas meter, flow meter (5).The prepaid device that the utility model is alleged, the O-ring seal (26) in its control enclosure (1) is the ripple O-ring seal of being made by nitrile rubber; Motor (28) is selected the micromachine of the following band of 12V arc-control device for use; Single machine unit (33) is realized by 80C31 chip, 27C64 chip, Rset and clock circuit; Sensing reception of impulse unit (34) is made of INT1 pin on resistance and the 80C31 chip; User data reading unit (35) is made of INT, P0.0, P0.1, P0.2, the P0.3 pin of 80C31 chip; Voltage warning unit (36) is made of not gate 4069, diode and a resistance, output is connected on the 80C31 counting and interrupts on the pin, and when system voltage was 4V, level was high value on the counting interruption pin, otherwise produce a low level signal, it is jumped down along 80C31 is produced an interrupt request; The two-way tumbler switch that electric-motor drive unit (37) is formed for pliotron; Gas consumption pilot lamp driver element (38) is conventional transistor amplifier.Its parameter of transformer in the power pack (2) is the alternating current input of 220V, 50Hz, and zero load is output as 7V.Serial electrically-erasable ROM (EEROM) chip in the electronic user card (3) is selected 90C46 for use.

The prepaid device that the utility model is alleged, its control enclosure (1) is long 110 millimeters, wide 140 millimeters, high 90 millimeters rectangular parallelepiped, power pack (2) is long 80 millimeters, wide 60 millimeters, high 50 millimeters rectangular parallelepiped.The electronic user card is 50 * 50 * 15 millimeters a rectangular parallelepiped.

The prepaid device that the utility model is alleged, its structure are split type, reasonable in design, multiple functional, accurate measurement, safe ready, the needs of taking into account the old and new users, and alterating and direct current is dual-purpose, are easy to mounting or dismounting maintenance, advantage such as cheap; (four joint dry cells are formed to be provided with the chargeable battery in this device, adopt 280mA/h chargeable battery), in case have a power failure, still can keep power supply about 35 hours, the spike that produces in the time of can eliminating simultaneously the start and stop of power supply ripple and topworks plays the effect of voltage stabilizer; Voltage warning unit can play the function to the power supply supervision in this device; This device can be realized false proof function by computing machine and single machine unit; This device technique is simple, and starting material are easily purchased, and forms easily and produces in batches.This device can be widely used in combustion gas department and vast combustion gas user, saves manpower and resource, makes things convenient for the user, avoids unnecessary finance waste, realizes scientific management.The appearance of this device provides a kind of novel, comparatively desirable pipe gas prepaid device for society, will bring remarkable economic efficiency and social benefit for social and users.

Accompanying drawing 1: pipe gas autovalve gate-type prepaid device synoptic diagram.

Accompanying drawing 2: control enclosure structural representation A.

Accompanying drawing 3: control enclosure structural representation B.

Accompanying drawing 4: control enclosure control circuit functional schematic.

Accompanying drawing 5: power pack structural representation.

Accompanying drawing 6: electronic user card structure synoptic diagram.

Accompanying drawing 7: sensor construction synoptic diagram.

Accompanying drawing 8: single machine unit conspectus.

Accompanying drawing 9: sensor reception of impulse cell schematics.

Accompanying drawing 10: voltage warning unit line synoptic diagram.

Accompanying drawing 11: electric-motor drive unit conspectus.

Accompanying drawing 12: gas consumption pilot lamp driver element conspectus.

Most preferred embodiment: this device in conjunction with the accompanying drawings 1 to 12, its most preferred embodiment is described below: make control enclosure (1), power pack (2), electronic user card (3) respectively with plastics or metal material, its shape and size are respectively 110 * 140 * 90 millimeters, 80 * 60 * 40 millimeters, 50 * 50 * 15 millimeters rectangular parallelepiped; And make sensor stand (15), and bracket holes (16) and welding hole (17) mill out wide 3 millimeters, dark 3 a millimeters groove (11) with the final drive gear in the gas meter, flow meter (5), and the notch cross section is vertical with gas meter, flow meter (5) base plate, will Sensor stand (15) is inserted in 3 infrared tubes (13), (14), again three-core conductor (7) is welded outside it, wherein two positive poles of a lead and infrared tube link to each other, two negative poles that are connected into two diodes respectively in addition, and the sensing reception of impulse unit (34) of access primary control box (1), constitute sensor; Sensor (4) is fixed in the gas meter, flow meter (5), near on the vertical plane of final drive gear one end; Control enclosure (1) is made up of micromachine (28), printed panel support (29), rechargeable battery (30) [four joint dry cells, 280mA/h], control circuit board (31) and the shell of air chamber (23), valve cover (24), valve mandril (25), ripple O-ring seal (26), [O-ring seal (26) is fixed in air chamber (23) mouth with screw], transmission gear box (27) [gear case (27) is made up of worm screw (41), doubly-linked gear (42) and sector gear (43)], the following band of 12V arc-control device; Control circuit board (31) is provided with single machine unit (33), sensing reception of impulse unit (34), user data read-write cell (35), voltage warning unit (36), electric-motor drive unit (37), gas consumption pilot lamp driver element (38) and wire socket (39); Gear case (27), motor (28) are fixed on the transmission bracket (40), valve mandril (25) is installed in the push rod groove of support (40), rechargeable battery (30) and transmission bracket (40) are fixed on the base plate of control enclosure (1), control circuit board (31) is installed on the printed panel support (29), and support (29) is fixed on the base plate of control enclosure (1); Power pack (2) is made up of power light (9), gas consumption pilot lamp (10), printed panel (18), electronic user card socket (), transformer (19) and rectification circuit (20); Pilot lamp (9), (10) are located on the panel of power pack (2), and transformer (19) and rectification circuit are welded on the printed panel (18), and printed panel (18) is fixed on the base plate of power pack (2); Electronic user card (3) is made up of shell (21), printed circuit board (PCB) (22) and serial electrically-erasable ROM (EEROM) chip (23), and (23 are welded on the printed circuit board (PCB) (22) chip, and printed circuit board (PCB) (22) is fixed on the shell (21).Control enclosure (1) is connected with gas meter, flow meter (5) by copper sleeve (6), adopt three core aerial condutors (7) to be connected between sensor (4) and the control enclosure (1), power pack (2) is connected with control enclosure (1) by a deca-cable, electronic user card (3) inserts in the socket (12) of power pack (2), promptly constitutes this device.

Claims

1. one kind by control enclosure (1), power pack (2), electronic user card (3), the piped gas autovalve gate-type prepaid device that sensor (4) and gas meter, flow meter (5) constitute, control enclosure (1) is connected with gas meter, flow meter (5) by copper pipe joint (6), sensing gas (4) places gas meter, flow meter (5) inside, adopt pole line (7) to be connected between sensing gas (4) and the control enclosure (1), power pack (2) links to each other with control enclosure (1) by a deca-cable (8), electronic user card (3) inserts in the socket (10) of power pack (2), it is characterized in that: sensor (4) is by a groove (11) that mills out on the final drive gear in the gas meter, flow meter (5), infrared-emitting diode (13) and receiving tube (14), support (15), bracket holes (16) and wire bonds hole (17) are formed, control enclosure (1) is by air chamber (23), valve cover (24), valve mandril (25), O-ring seal (26), transmission gear box (27), motor (28), printing utmost point support (29), rechargeable battery (30), control circuit board (31) and shell (32) are formed, O-ring seal (26) is fixed in air chamber (23) mouth with screw, transmission gear box (27) and motor (28) are fixed on the transmission bracket (40), valve mandril (25) is installed in the push rod groove of support (40), rechargeable battery (30) and transmission bracket (40) are fixed on the base plate of control enclosure (1), control circuit board (31) is installed on the printed panel support (29), support (29) is fixed on the base plate of control enclosure (1), and transmission gear box (27) is by worm screw (41), duplicate gear (42) and sector gear (43) are formed; Control circuit board (31) is provided with single machine unit (33), sensing reception of impulse unit (34), user data read-write cell (35), voltage warning unit (36), electric-motor drive unit (37), gas consumption pilot lamp driver element (38) and wire socket (39).Power pack (2) is made up of power light (9), gas consumption pilot lamp (10), printed panel (18), electronic user card socket (12), transformer (19) and rectification circuit (20); Pilot lamp (9), (10) be arranged on the panel of power pack (2), transformer (19) and rectification circuit are welded on the printed panel (18), printed panel (18) is fixed on the base plate of power pack (2), electronic user card (3) is by shell (21), printed circuit board (PCB) (22) and serial electrically-erasable ROM (EEROM) chip (44) are formed, chip (44) is welded on the printed circuit board (PCB) (22), printed circuit board (PCB) (22) is fixed on the shell (21), sensor (4) is fixed in the gas meter, flow meter (5) by bracket holes (16), near on the vertical plane of final drive gear one end, infrared tube (13), (14) insert on the support (15), with three core aerial condutors (7) respectively with infrared tube (13), (14) two positive poles and the negative pole of two diodes link to each other, and insert the sensing reception of impulse unit (34) of control enclosure (1).

2. prepaid device according to claim 1, it is characterized in that: the groove that final drive gear mills out in the gas meter, flow meter be one wide 3 to 4 millimeters, be 3 to 4 millimeters flute profile deeply, the notch cross section all becomes vertical with gas meter, flow meter (5) shell bottom plate with the face of infrared tube (13), (14).

3. prepaid device according to claim 1 and 2 is characterized in that: O-ring seal (26) is the ripple O-ring seal of being made by nitrile rubber; Motor (28) is selected the micromachine of the following band of 12V arc-control device for use; Single machine unit (33) is realized by 80C31 chip, 27C64 chip, Rset (resetting) and clock circuit; Sensing reception of impulse unit (34) is made of INT1 pin on resistance and the 80C31 chip; User data reading unit (35) is made of INT, P0.0, P0.1, P0.2, the P0.3 pin of 80C31 chip; Voltage warning unit (36) is by not gate 4069, and diode and a resistance constitute, and output is connected on the 80C31 counting and interrupts on the pin, when system voltage is 4V, counting interrupts that level be high value on the pin, otherwise produces a low level signal, and it jumps the edge down to interrupt request of 80C31 generation; The two-way tumbler switch that electric-motor drive unit (37) is formed for pliotron; Gas consumption pilot lamp driver element (38) is conventional transistor amplifier.

4. prepaid device according to claim 1 and 2 is characterized in that; Control enclosure (1) is long 110 millimeters, wide 140 millimeters, high 90 millimeters rectangular parallelepiped; Power pack (2) is long 80 millimeters, wide 60 millimeters, high 50 millimeters rectangular parallelepiped; Electronic user card (3) is long 50 millimeters, wide 50 millimeters, high 15 millimeters rectangular parallelepiped.