Industrial ultrasonic gas meter structure

Abstract

The utility model provides an industrial ultrasonic gas meter structure which comprises an ultrasonic gas meter base meter, a front shell, a rear shell, a sealing ring, meter glass, a PE (polyethylene) pad, a pressing plate, a PCB (printed circuit board), an antenna, a lithium battery pack, a battery holder, a sealing gasket and a rotating seat, the internal design of a controller shell is reasonable, and long-term stable and reliable work of electronic elements is guaranteed. And multiple sealing is adopted, so that the sealing performance of the shell is greatly ensured.

Description

Technical Field

[0001] The utility model relates to the field of gas meter measurement, in particular to an industrial ultrasonic gas meter structure using ultrasonic measurement. Background Art

[0002] Ultrasonic flow measurement technology is a new type of flow measurement technology developed in recent decades. It uses the fluid velocity information carried by ultrasonic waves when propagating in the fluid to measure the fluid flow. It has the advantages of non-contact, high accuracy, wide measurement range and easy maintenance. It is particularly suitable for temporary pipelines, large-diameter pipelines and dangerous fluid flow measurement. In recent years, with the development of large-scale integrated circuits and digital signal processing technology, the research on new probe materials and processes, the research on sound channel configuration and fluid dynamics, ultrasonic flow measurement technology has made great progress, showing its strong technical advantages and becoming an important flow measurement method. Ultrasonic metering technology is also increasingly recognized by gas companies and gas users, and has been widely used in the metering of large-diameter and large-flow pipeline gas. Summary of the invention

[0003] The utility model aims to provide a structure of an industrial ultrasonic gas meter, specifically a shell structure of an industrial ultrasonic gas meter controller. The controller shell has a reasonable internal design and good sealing performance, which ensures that the electronic components can work stably and reliably for a long time.

[0004] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0005] The structure of industrial ultrasonic gas meter includes ultrasonic gas meter base, front shell, back shell, sealing ring, meter glass, PE pad, pressure plate, PCB circuit board, antenna, lithium battery pack, battery holder, sealing pad, rotating seat, and its characteristics are:

[0006] The ultrasonic base table is provided with the rotating seat;

[0007] The front shell and the rotating seat are fixedly connected by screws;

[0008] A wire outlet hole is provided at the connection between the front shell and the rotating seat;

[0009] The front shell is provided with a display window;

[0010] The front shell is provided with a sealing ring, a watch glass, a PE pad and a pressure plate in sequence;

[0011] The pressing plate is fixed to the front shell via screws;

[0012] The PCB circuit board is fixed inside the front shell by screws;

[0013] The lithium battery pack is fixed to the battery holder;

[0014] The battery holder and the rear shell are fixed with screws;

[0015] The rear shell is provided with a columnar screw hole for fixing the battery holder;

[0016] A sealing gasket is provided between the front shell and the rear shell to ensure the sealing of the shell;

[0017] The front shell and the rear shell are fixed by screws;

[0018] The antenna is arranged outside the front shell and connected to the front shell by using a nut.

[0019] Beneficial effects of the utility model:

[0020] (1) The utility model has an industrial ultrasonic gas meter structure and a reasonable design inside the controller housing, which ensures that the electronic components can work stably and reliably for a long time.

[0021] (2) The shell structure of the utility model industrial ultrasonic gas meter adopts multiple seals, which greatly ensures the sealing performance of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Attached Figure 1 This is a schematic diagram of the explosion of the industrial ultrasonic gas meter structure of the utility model. DETAILED DESCRIPTION

[0023] The technical solution of the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0024] As attached Figure 1 As shown: the structure of an industrial ultrasonic gas meter, comprising an ultrasonic gas meter base (13), a front shell (1), a rear shell (11), a sealing ring (2), a meter glass (3), a PE pad (4), a pressure plate (5), a PCB circuit board (6), an antenna (7), a lithium battery pack (8), a battery holder (9), a sealing pad (10), and a rotating seat (12).

[0025] The ultrasonic base meter is provided with the rotating seat, and the front shell is fixedly connected to the rotating seat by screws; because the ultrasonic base meter is provided with an ultrasonic metering device, correspondingly, the rotating seat and the front shell are both provided with outlet holes for the leads of the ultrasonic metering device to pass through, and the leads of the ultrasonic metering device are welded to the PCB circuit board through the outlet holes.

[0026] The front shell is provided with a display window, which is convenient for users to view meter data.

[0027] A sealing ring, a watch glass, a PE pad and a pressure plate are arranged in sequence inside the front shell. The pressure plate and the front shell are fixed with screws to ensure the sealing between the watch glass and the front shell.

[0028] The PCB circuit board is fixed inside the front shell by screws to realize ultrasonic measurement, data processing and data transmission functions.

[0029] The lithium battery pack is fixed to the battery holder to provide power for the gas meter; the rear shell is provided with a columnar screw hole for fixing the battery holder, and the battery holder and the rear shell are fixed with screws.

[0030] The front shell and the rear shell are fixed by screws, and a sealing gasket is arranged between the two to ensure the sealing of the shell.

[0031] The antenna is arranged outside the front shell and connected to the front shell by a nut, and is used for receiving or transmitting signals.

[0032] The assembly process of the utility model is as follows:

[0033] The structure of the industrial ultrasonic gas meter, the leads of the ultrasonic metering device are led out through the holes provided on the rotating seat and the front shell, the front shell and the rotating seat are fixed by screws, the sealing ring, the table glass, the PE pad and the pressure plate are placed inside the front shell in sequence, the pressure plate and the front shell are fixed by screws to ensure the seal between the table glass and the front shell; the PCB circuit board is fixed inside the front shell by screws, the lithium battery pack is fixed to the battery holder, and the battery holder and the columnar screw holes provided on the rear shell are fixed by screws; the antenna is arranged outside the front shell and connected to the front shell by nuts for receiving or transmitting signals; the front shell and the rear shell are fixed by screws, and a sealing gasket is provided between the two to ensure the sealing of the shell.

Claims

1. The structure of industrial ultrasonic gas meter includes ultrasonic gas meter base, front shell, back shell, sealing ring, meter glass, PE pad, pressure plate, PCB circuit board, antenna, lithium battery pack, battery holder, sealing pad, rotating seat, and its characteristics are: The ultrasonic gas meter base is provided with the rotating seat; The front shell and the rotating seat are fixedly connected by screws; A wire outlet hole is provided at the connection between the front shell and the rotating seat; The front shell is provided with a display window; The front shell is provided with a sealing ring, a watch glass, a PE pad and a pressure plate in sequence; The pressing plate is fixed to the front shell via screws; The PCB circuit board is fixed inside the front shell by screws; The lithium battery pack is fixed to the battery holder; The battery holder and the rear shell are fixed with screws; The rear shell is provided with a columnar screw hole for fixing the battery holder; A sealing gasket is provided between the front shell and the rear shell to ensure the sealing of the shell; The front shell and the rear shell are fixed by screws; The antenna is arranged outside the front shell and connected to the front shell by using a nut.

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