CN2160948Y - Autocontrolled dispenser for pipe gas - Google Patents

Abstract

The utility model relates to an automatic controlled metering instrument for pipeline gas. The utility model is characterized in that a metering monitoring device composed of a metering monitoring circuit and a gas supply opening closing actuating mechanism is arranged, wherein, the metering monitoring device is connected with a user data recording card through a socket, and the user data recording card is matched with the metering monitoring circuit; a metering signal output end is connected with a sampling sensor, and the gas supply opening closing actuating mechanism is connected with the driving circuit of the metering monitoring circuit. The controlling end of the air supply opening closing actuating mechanism is matched with a gas source pipeline through an actuating component.

Description

Autocontrolled dispenser for pipe gas

The utility model relates to a kind of charge measuring apparatus, particularly about a kind of piped gas automatic control gauge.

Existing charge metering to home pipeline coal gas, by manually checking meter to the doorstep and adjusting gas consumption, increase along with the piped gas user, what check meter will be more also manually, this not only will waste great amount of manpower, and often owing to multiple factors such as the user stay out, the feasible gas consumption that can not correctly reflect the user in time all makes troubles for management and use.Original because of the manual metering program again, workload is big, efficient is low, mistake is many, make Gas Company to the data that user's actual demand amount and use amount lack science added up, analyzed, to make the decision-making that meets science more, so the meterage mode of this manual metering can not adapt to the development of piped gas and the requirement of modern management.

The purpose of this utility model be to provide a kind of by the user from line operate and have automatic gauge, monitor automatically and the piped gas automatic control gauge of control function.

The utility model mainly opens and closes topworks by sampling sensor, measurement monitoring circuit and source of the gas to be formed, and this gauge is configured on each user's the gas source pipe and is manipulated voluntarily according to the data storage registration card of buying in advance that matches with the gauge supervisory circuit by the user.Tolerance value when described sampling sensor is mainly used to gather user's gas just commonly used and with the pulse signal input gauge of standard; Described measurement monitoring circuit and user's data stored record card corresponding matching, measurable user's actual gas consumption not only, and can monitor user mode, and control source of the gas unlatching or close, the metering signal input end of this supervisory circuit is connected with sampling sensor, the data storage registration card is connected by socket and measurement monitoring circuit, and the control end of supervisory circuit opens and closes topworks by driving circuit and source of the gas and is connected; The gas source pipe that described source of the gas opens and closes topworks and user is equipped with, and can open or close source of the gas according to the control signal of driving circuit output.In above-mentioned design proposal, owing to adopt impulse sampling, so sampling sensor can be made of magnet steel and Hall element, magnet steel is fixed on the rotating disk of user's gas meter, Hall element is located on the table wall of magnet steel vertical plane top, dial plate drives magnet steel and makes circular motion during with gas, whenever circles can export a pulse signal by Hall element and finish sampling and constitute intelligent metering and dual metering that the gas meter metering combines, and the precision of intelligent metering is pulse of soil of gas meter precision.The measurement monitoring circuit of this programme is made up of one chip microcomputer and the program storage, address latch, driving circuit and the power sense circuit that are mated.The CPU of single-chip microcomputer and storage of subscriber data registration card corresponding matching, the instruction address of control program is latched by address latch, and takes out the execution command code from program storage.Driving circuit mainly plays the amplification control signal and exportable different high-low level opens and closes topworks's action with the control source of the gas, be simplified structure, source of the gas opens and closes topworks and can be made up of the motor that is connected with the driving circuit output terminal and the transmission reducer casing that cooperates with motor and the executive item that cooperates with gas source pipe and flexible pipe, this flexible pipe is communicated with user's gas source pipe and can opens or close the pipeline source of the gas under the effect of executive item, because this mechanism has auto-lock function, so it is both simple and reliable, safe and practical again.The power supply of this programme adopts dual power supply system, is furnished with battery and makes standby power supply and cooperate control by power sense circuit, the normal use when having a power failure with assurance in instrument.According to above design, the user can just use the gas metering as long as insert the data storage registration card, and when the gas consumption of purchasing in advance during near the limit, gauge will be sent alarm signal; Use gas when the user breaks a contract, when using gas as registration card password not match, nothing card usefulness gas or excess, gauge will be alarmed and show and automatic cut-out source of the gas, write down the promise breaking state simultaneously, so that administrative authority's judgment processing; When mains failure, battery backup will be devoted oneself to work, and write down the behaviour in service of standby power supply simultaneously.Feature of the present utility model opens and closes the measurement monitoring device that topworks forms by one by measurement monitoring circuit and source of the gas, described measurement monitoring circuit is connected by socket and the user data registration card that is mated are corresponding, its metering signal input end is connected with sampling sensor, described source of the gas opens and closes topworks and is connected with the driving circuit of measurement monitoring circuit, and its control end and gas source pipe are connected.Above-mentioned measurement monitoring circuit is by one chip microcomputer and the program storage that is mated, and address latch, driving circuit and power sense circuit are formed.Above-mentioned source of the gas opens and closes topworks and is made up of the motor that is connected with driving circuit, transmission reducer casing, executive item and the flexible pipe that is communicated with gas source pipe.

The utility model integrates intelligent metering and automatic control function for monitoring, has not only solved the trouble of manual metering metering, and has greatly facilitated user's the use and the management of Gas Company; The user can once more as required purchase gas consumption or purchase polylith data storage registration card simultaneously, both convenient and swift, can avoid waste and lose again, because the dual metering of adopting the metering of intelligent metering and gas meter to combine, thereby can become repair based on condition of component from present cycle maintenance to the repair and maintenance of gas meter, to reduce operation cost, improve meterage and service quality, again since this gauge exactly can be recorded in user data registration card on vaporous condition user's every day, thereby provide technique guarantee for the scientific management of piped gas.This gauge compact conformation, easy for installation, to use simply, function is many, and the efficient height has good practical values.

Below, will be further described the utility model in conjunction with the accompanying drawings and embodiments:

Fig. 1 is the structural representation of this gauge embodiment;

Fig. 2 is the arrangenent diagram of sampling sensor;

Fig. 3 is the measurement monitoring circuit block diagram;

Fig. 4-Fig. 6 is the measurement monitoring circuit theory diagrams.

With reference to Fig. 1, Fig. 2: the utility model comprises casing 1, sampling sensor 2, measurement monitoring circuit 3 and the source of the gas switching topworks that is equipped with gas source pipe 4, the shell face is provided with power switch 5, alarm display lamp 6, registration card socket and sampled signal input interface, the sampling sensor of present embodiment is by magnet steel 7, Hall element 8 constitutes, magnet steel is bonded on the gas meter rotating disk, Hall element is located on the table wall, its detection position just in time is positioned at magnet steel vertical plane top, its output terminal is connected with the signal input part of measurement monitoring circuit after introducing housing by lead, gas meter tolerance dish can be appointed fixed, present embodiment is selected 0.01 tolerance dish for use, and a corresponding pulse is 0.1 degree.The source of the gas of present embodiment opens and closes topworks by motor 9, transmission reducer casing 10, executive item 11, flexible pipe 12 is formed, motor is connected with the output terminal of driving circuit and by acting on executive item behind the reducer casing, this routine executive item is the turbine push rod, by can do after the one-level gear drive to protract or after contract with compressing or pine oil flexible pipe, has auto-lock function, flexible pipe is communicated with gas source pipe and can opens or close source of the gas under the effect of executive item, the source of the gas of this programme opens and closes topworks also can adopt the system of pipe and valve control execution that cooperates with gas source pipe, but with present embodiment for the most simple and practical.Described motor and reducer casing are micro parts, and turning to of motor controlled by the output level of driving circuit, and flexible pipe adopts conventional airline hose.

With reference to Fig. 3-Fig. 6: measurement monitoring circuit 3 of the present utility model mainly is made up of one chip microcomputer 13, program storage 14, address latch 15, driving circuit 16, power sense circuit 17, singlechip CPU, storer and latch adopt 80C31,27C64,74LS373 integrated chip respectively in the present embodiment, the counting pin T1 of CPU is connected with signal transducer, the P1.0-P1.5 pin is by the corresponding connection with the user data registration card of nine core sockets 18, and this registration card can be by E ²Rom chip constitutes, and P1.4, P1.7 are connected with driving circuit 15, and the P1.5 output alarm signal also is connected with display lamp 5, and the output terminal of driving circuit is connected with the motor of topworks with contact A, B, and when two contacts were exported varying level, topworks moved.Principle of work of the present utility model is when the gauge initial power-up, when the user data registration card does not insert interface, supervisory circuit is by promise breaking place with gas requirement reason and send and close the source of the gas instruction, CPU is in the P1.4 output low level, and P1.7 output high level is closed source of the gas through the reverse rotation of driving circuit rear motor and after the one-level gear drive by executive item turbine push rod compressing flexible pipe.When the user does not insert registration card or registration card password not match and registration card residual gas value and is zero, supervisory circuit all will be sent the promise breaking alarm signal, and command execution unit is closed source of the gas, in the RAM district of CPU record promise breaking kind and cumulative time value, when recovering normally to use, the user again the promise breaking situation is write registration card simultaneously.After the user inserts password and gas consumption and is the specification data registration card, supervisory circuit can record normal signal from the P1.0-P1.5 pin, so from P1.4 end output high level, P1.7 end output low level makes motor just change behind driving circuit, source of the gas is opened by topworks, at this moment metering process is: gas meter dish revolution moves a week, Hall element promptly obtains pulse signal input CPUT1 end and counts and convert to automatically the tolerance appreciation, supervisory circuit constantly measures the residual gas value of user data registration card from the P1.0-P1.5 end in metering, the deduction instantly measure with after the gas value new residual gas value being recorded subscriber card, when limit value is hanged down in this residual gas value arrival, promptly from P1.5 end output high level alerting signal.When this residual gas value is zero, promptly from P1.4 end output low level, P1.7 end output high level, topworks will close source of the gas.When 220 volts of loss of voltage of civil power, " C " of power sense circuit point current potential is the work of " O " battery backup, and the P1.6 end of CPU can detect this signal, and the behaviour in service of record standby power supply.

Claims (4)

1, a kind of piped gas automatic control gauge, comprise housing (1), sampling sensor (2), it is characterized in that having one to open and close the measurement monitoring device that topworks forms by measurement monitoring circuit (3) and source of the gas, described measurement monitoring circuit is connected by socket (18) and the user data registration card that is mated are corresponding, its metering signal input end is connected with sampling sensor (2), described source of the gas opens and closes topworks and is connected with the driving circuit (16) of measurement monitoring circuit, and its control end cooperates with gas source pipe (4) by executive item (11).

2, piped gas automatic control gauge as claimed in claim 1, it is characterized in that described measurement monitoring circuit (3) by one chip microcomputer (13) and the program storage (14) that is mated, address latch (15), driving circuit (16) and power sense circuit (17) are formed.

3, piped gas automatic control gauge as claimed in claim 1, it is characterized in that described source of the gas opens and closes topworks by the motor (9) that is connected with driving circuit (16), transmission reducer casing (10), executive item (11) and the flexible pipe (12) that is communicated with gas source pipe (4) are formed.

4, piped gas automatic control gauge as claimed in claim 1 is characterized in that described sampling sensor (2) is made up of the magnet steel (7) and the Hall element (8) that are equipped with Pipeline coal gas flowmeter.

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