CN216144381U

CN216144381U - Ultrasonic gas meter capable of measuring gas terminal pressure

Info

Publication number: CN216144381U
Application number: CN202121648208.6U
Authority: CN
Inventors: 郑红立; 程波
Original assignee: Liaoning Hangyuxing Instrument Network Technology Co ltd; Jinran China Resources Gas Co ltd
Current assignee: Liaoning Hangyuxing Instrument Network Technology Co ltd; Jinran China Resources Gas Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-29
Anticipated expiration: 2031-07-20

Abstract

An ultrasonic gas meter capable of measuring the pressure of a gas tail end comprises a shell (5) and a gas tail end pressure monitoring and measuring device, wherein a gas inlet and a gas outlet are formed in the shell (5), a valve and an ultrasonic flow channel are arranged in the shell (5), the valve is communicated with the gas inlet, and the ultrasonic flow channel is communicated with the gas outlet through a gas outlet pipeline; the gas terminal pressure monitoring and measuring device comprises a data acquisition module (1), a control mainboard (2), a wireless remote transmission module (3), a pressure acquisition device (4) and a liquid crystal display module (6), wherein the data acquisition module (1) is arranged in an ultrasonic flow channel in a shell (5), and the data acquisition module (1), the pressure acquisition device (4), a wireless transmission module (3) and the liquid crystal display module (6) are all connected with the control mainboard (2). The pressure condition of the fuel gas in the meter is measured in real time, and certain potential safety hazards are eliminated.

Description

Ultrasonic gas meter capable of measuring gas terminal pressure

Technical Field

The utility model relates to a gas meter, in particular to an ultrasonic gas meter capable of measuring the pressure of the tail end of gas, and belongs to the technical field of metering instruments.

Background

The ultrasonic gas meter measures the gas flow rate by adopting a time difference method principle, and reflects the flow rate of the fluid by measuring the difference of the forward flow and the backward flow propagation time speeds of ultrasonic signals in the fluid. Because the error of the time difference sound velocity caused by the change of the fluid temperature is small, and the accuracy is high, the method is widely applied at present.

However, the existing common civil metering ultrasonic gas meter cannot monitor and measure the pressure at the tail end of the gas in real time and upload the pressure, so that a gas company cannot master the pressure condition of the gas in real time and needs to send a specially-assigned person for field measurement, and certain potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide an ultrasonic gas meter capable of measuring the pressure of a gas tail end, aiming at the problems in the prior art.

In order to achieve the purpose, the technical solution of the utility model is as follows: the ultrasonic gas meter capable of measuring the pressure at the tail end of gas comprises a shell, wherein a gas inlet and a gas outlet are formed in the shell, a valve and an ultrasonic flow channel are arranged in the shell, the valve is communicated with the gas inlet, and the ultrasonic flow channel is communicated with the gas outlet through a gas outlet pipeline.

The gas terminal pressure monitoring and measuring device comprises a data acquisition module, a control main board, a wireless remote transmission module, a pressure acquisition device and a liquid crystal display module, wherein the data acquisition module is arranged in an ultrasonic flow channel in the shell, the output end of the data acquisition module is connected with the input end of the control main board, the output end of the pressure acquisition device is connected with the input end of the control main board, and the wireless transmission module and the liquid crystal display module are connected with the control main board.

The wireless transmission module and the liquid crystal display module are both arranged on the control mainboard.

The pressure acquisition device comprises a differential pressure type sensor and a labyrinth type protection box, wherein the differential pressure type sensor is arranged in the labyrinth type protection box, a circuit board is arranged in the labyrinth type protection box, and the differential pressure type sensor is arranged on the circuit board.

Compared with the prior art, the utility model has the beneficial effects that:

the pressure measuring device is reasonable in design and convenient to install, and can be used for measuring the pressure condition of gas in the meter in real time, so that a gas company can master the abnormal condition of the gas pressure in the first time, the labor cost is reduced, the real-time property of data master is increased, and certain potential safety hazards are eliminated.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a schematic structural diagram of the pressure acquisition device in the utility model.

In the figure: the device comprises a data acquisition module 1, a control mainboard 2, a wireless remote transmission module 3, a pressure acquisition device 4, a shell 5, a liquid crystal display module 6, a differential pressure type sensor 7, a circuit board 8 and a labyrinth type protection box 9.

Detailed Description

The utility model is described in further detail below with reference to the following description of the drawings and the detailed description.

Referring to fig. 1, an ultrasonic gas meter capable of measuring a pressure at a gas end is a measuring device for measuring an accumulated flow; the ultrasonic flow path is communicated with the gas outlet through a gas outlet pipeline.

Referring to fig. 1, the gas pressure monitoring and measuring device at the tail end of the gas meter comprises a data acquisition module 1, a control mainboard 2, a wireless remote transmission module 3, a pressure acquisition device 4 and a liquid crystal display module 6. The data acquisition module 1 is arranged in an ultrasonic flow channel in the shell 5, and the output end of the data acquisition module 1 is connected with the input end of the control mainboard 2; the signal acquisition module 1 is used for acquiring a flow signal inside the shell 5. The output end of the pressure acquisition device 4 is connected with the input end of the control main board 2, and the pressure acquisition device 4 is used for acquiring pressure values and transmitting data to the control main board 2. The wireless transmission module 3 and the liquid crystal display module 6 are connected with the control main board 2, the liquid crystal display module 6 is used for displaying numerical values, and the wireless transmission module 3 is used for uploading pressure values exceeding a value range in real time.

Referring to fig. 1, the wireless transmission module 3 and the liquid crystal display module 6 are both disposed on the control main board 2.

Referring to fig. 1, the data acquisition module 1, the control main board 2 and the pressure transmission device 4 are all connected with a battery arranged in a housing 5.

Referring to fig. 2, the pressure acquisition device 4 comprises a differential pressure type sensor 7 and a labyrinth protection box 9, the differential pressure type sensor 7 is arranged in the labyrinth protection box 9, a circuit board 8 is arranged in the labyrinth protection box 9, and the differential pressure type sensor 7 is arranged on the circuit board 8. The labyrinth type protection box 9 prevents the differential pressure type sensor 7 from being polluted by gas impurities, ensures that the measured value is the static pressure difference value in the meter, ensures that the measured pressure value is accurate and effective, and ensures the accuracy and the reliability of the uploaded data.

Referring to fig. 1 to 2, in operation, the signal acquisition module 1 acquires a flow signal inside the housing 5, and the control main board 2 performs data collection on the signal transmitted from the signal acquisition module 1; the liquid crystal display module 6 displays the signals collected by the signal collection module 1. Meanwhile, the control mainboard 2 collects data transmitted by the pressure acquisition device 4, and transmits numerical values which are not in the value range in real time through the wireless transmission module 3. Therefore, this ultrasonic gas meter can real-time measurement table internal gas's pressure condition (the difference of gas and the external atmospheric pressure of table, namely differential pressure) through pressure acquisition device 4, upload data through wireless transmission module 3 when measuring the pressure of the internal gas of table when not in the value range of settlement, make the gas company just can master the abnormal conditions of gas pressure the very first time, need not send special messenger's on-the-spot measurement pressure, the cost of labor has been reduced, the real-time of mastering data has been increased, certain potential safety hazard has been eliminated. Meanwhile, a gas company can set a monitoring and measuring area according to actual conditions, the monitoring and measuring area can be a building or a cell, an ultrasonic gas meter capable of measuring the pressure of the tail end of the gas is additionally arranged, and the function of real-time monitoring and measuring is achieved.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model relates, several simple deductions or substitutions may be made without departing from the spirit of the utility model, and the above-mentioned structures should be considered as belonging to the protection scope of the utility model.

Claims

1. The utility model provides an ultrasonic wave gas table of measurable quantity gas end pressure which characterized in that: comprises a shell (5), wherein the shell (5) is provided with an air inlet and an air outlet, the shell (5) is internally provided with a valve and an ultrasonic flow passage, the valve is communicated with the air inlet, the ultrasonic flow channel is communicated with the air outlet through an air outlet pipeline, the device also comprises a gas tail end pressure monitoring and measuring device, the gas tail end pressure monitoring and measuring device comprises a data acquisition module (1), a control mainboard (2), a wireless remote transmission module (3), a pressure acquisition device (4) and a liquid crystal display module (6), the data acquisition module (1) is arranged in the ultrasonic flow channel in the shell (5), the output end of the data acquisition module (1) is connected with the input end of the control mainboard (2), the output end of the pressure acquisition device (4) is connected with the input end of the control main board (2), and the wireless remote transmission module (3) and the liquid crystal display module (6) are both connected with the control main board (2).

2. The ultrasonic gas meter capable of measuring the pressure of the tail end of the gas as claimed in claim 1, wherein: the wireless remote transmission module (3) and the liquid crystal display module (6) are both arranged on the control main board (2).

3. The ultrasonic gas meter capable of measuring the pressure of the tail end of the gas as claimed in claim 1, wherein: pressure acquisition device (4) include differential pressure type sensor (7) and labyrinth protection box (9), differential pressure type sensor (7) set up in labyrinth protection box (9), labyrinth protection box (9) in be provided with circuit board (8), differential pressure type sensor (7) are installed at circuit board (8).