Gas ultrasonic flow velocity measuring equipment

Abstract

The utility model provides gas ultrasonic flow velocity measuring equipment, which relates to the technical field of gas monitoring and comprises a runner pipe, an ultrasonic measuring body and an automatic cleaning component, an automatic telescopic component is fixedly connected inside the automatic cleaning component, and the automatic cleaning component comprises a pipeline fixedly connected to the outer side of the runner pipe. Sliding grooves are formed in the two sides of the interior of the pipeline, and limiting sliding blocks are slidably connected to the sliding grooves. Wherein a connecting ring is fixedly connected to the interior of the limiting sliding block, and a mounting ring is fixedly connected to the interior of the connecting ring; according to the design, gas flow energy is directly utilized to trigger cleaning action, an external power supply or gas source is not needed, energy consumption and equipment complexity are reduced, the cleaning rubber can expand and deform in the radial direction through the cross-shaped hollow groove and is completely attached to the curved surface of the probe, cleaning blind areas are avoided, shutdown or equipment disassembly is not needed, flow field stability is guaranteed, and cleaning efficiency is improved. And frequent shutdown, equipment disassembly and production interruption are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas monitoring technical field especially relates to a gas ultrasonic flow velocity measuring device. BACKGROUND

[0002] Traditional gas ultrasonic flow velocity measuring device mainly comprises flow pipe and ultrasonic measuring body, gas flows in flow pipe, ultrasonic measuring body is installed outside flow pipe, through emitting and receiving ultrasonic wave, uses propagation time difference to calculate gas flow velocity;

[0003] However, in practical application, the operator needs to clean the ultrasonic probe manually regularly to maintain the measurement accuracy. Usually, it needs to stop operation, disassemble the equipment parts, and wipe the probe one by one with cleaning tools.

[0004] At this time, in the maintenance of large natural gas pipeline, the maintenance personnel need to enter the pipeline valve area regularly, close the gas source, disassemble the ultrasonic flowmeter shell, and wipe the probe with special cleaner and soft cloth. Not only is the operation complicated, time-consuming and laborious, but also it will cause production interruption, increase maintenance cost and downtime loss.

[0005] Therefore, the utility model provides a gas ultrasonic flow velocity measuring device. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the shortcomings in the prior art, and provides a gas ultrasonic flow velocity measuring device.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme: a gas ultrasonic flow velocity measuring device, comprising flow pipe and ultrasonic measuring body, further comprising automatic cleaning assembly, the inside of the automatic cleaning assembly is fixedly connected with automatic telescopic assembly, the automatic cleaning assembly includes pipe fixedly connected outside the flow pipe, the inside of the pipe is provided with sliding groove on both sides, the sliding groove is slidably connected with limiting sliding block;

[0008] Among them, the inside of the limiting sliding block is fixedly connected with connecting ring, the inside of the connecting ring is fixedly connected with mounting ring, the inside of the mounting ring is fixedly connected with cleaning rubber, the inside of the cleaning rubber is provided with cross hollow groove, the top of the cleaning rubber is fixedly connected with sponge.

[0009] As a preferred embodiment, the automatic telescopic assembly includes a bottom column fixedly connected on the sliding groove, and a sliding block slidably connected on the sliding groove.

[0010] As a preferred embodiment, the bottom of the sliding block is fixedly connected with a spring, and the end of the spring away from the sliding block is fixedly connected on the bottom column.

[0011] As a preferred implementation, the top end of the sliding block is fixedly connected with a connecting column, and the connecting column is fixedly connected with the limiting sliding block at the end away from the spring.

[0012] As a preferred implementation, the top end of the pipeline is fixedly connected with a connecting flange, and the outside of the ultrasonic measuring body is fixedly connected with the connecting flange.

[0013] As a preferred implementation, the top end of the flow pipe of the cross hollow groove is in contact with the outside of the ultrasonic measuring body.

[0014] As a preferred implementation, the top end of the flow pipe of the sponge is in contact with the outside of the ultrasonic measuring body.

[0015] Compared with the prior art, the advantages and positive effects of the utility model are

[0016] The utility model discloses a kind of gas ultrasonic flow rate measuring devices, including flow pipe, sliding block, spring, limiting sliding block, connecting column, connecting ring, installation ring, sponge and cleaning rubber, sliding block is fixedly connected with spring, and the top end of sliding block is fixedly connected with limiting sliding block, and the top end of limiting sliding block is fixedly connected with connecting column, and the top end of connecting column is fixedly connected with connecting ring, and the top end of connecting ring is fixedly connected with installation ring, and the top end of installation ring is fixedly connected with sponge, and the top end of sponge is fixedly connected with cleaning rubber. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the gas ultrasonic flow rate measuring device provided by the utility model;

[0018] Figure 2 It is a pipeline structure schematic view of the gas ultrasonic flow rate measuring device provided by the utility model;

[0019] Figure 3 It is Figure 2 the enlarged view of A in the figure;

[0020] Figure 4 It is a connecting column structure schematic view of the gas ultrasonic flow rate measuring device provided by the utility model;

[0021] Figure 5 It is an automatic cleaning assembly structure schematic view of the gas ultrasonic flow rate measuring device provided by the utility model.

[0022] LEGEND:

[0023] 1, flow pipe;

[0024] 2. The automatic cleaning assembly; 21, pipe; 22, sliding slot; 23, limit sliding block; 24, connecting ring; 25, mounting ring; 26, cleaning rubber; 27, cross hollow groove; 28, sponge;

[0025] 3. The automatic telescopic assembly; 31, bottom column; 32, sliding block; 33, spring; 34, connecting column;

[0026] 4. The ultrasonic measuring body; 5, connecting flange. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] As shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , the present embodiment provides a technical solution: a gas ultrasonic flow rate measuring device, comprising a flow pipe 1 and an ultrasonic measuring body 4, further comprising an automatic cleaning assembly 2, the automatic cleaning assembly 2 comprising a pipe 21 fixedly connected to the outside of the flow pipe 1, the top end of the pipe 21 being fixedly connected with a connecting flange 5, the outside of the ultrasonic measuring body 4 being fixedly connected to the connecting flange 5, the inside of the pipe 21 being provided with a sliding slot 22 on both sides, the sliding slot 22 being slidingly connected with a limit sliding block 23; wherein the limit sliding block 23 is fixedly connected with a connecting ring 24 inside, the connecting ring 24 is fixedly connected with a mounting ring 25 inside, the mounting ring 25 is fixedly connected with a cleaning rubber 26 inside, the cleaning rubber 26 is provided with a cross hollow groove 27 inside, the top end of the cleaning rubber 26 is fixedly connected with a sponge 28, the top end of the flow pipe 1 of the cross hollow groove 27 is in contact with the outside of the ultrasonic measuring body 4, and the top end of the flow pipe 1 of the sponge 28 is in contact with the outside of the ultrasonic measuring body 4;

[0029] The flow pipe 1 is a channel for gas flow, providing a basic path for gas ultrasonic flow rate measurement, ensuring that the gas can flow stably therein, enabling the ultrasonic wave to propagate smoothly in the gas, thereby creating conditions for flow rate measurement. The ultrasonic measurement body 4 is the core component of the gas ultrasonic flow rate measurement, which contains ultrasonic transmitters and receivers. By transmitting ultrasonic waves and receiving reflected ultrasonic signals, the ultrasonic propagation time difference in the gas is used to calculate the flow rate of the gas. The pipeline 21 is fixedly connected to the outside of the flow pipe 1, serving as a container and installation for other components of the automatic cleaning assembly 2, providing a space for the cleaning device to install and operate. The connecting flange 5 fixedly connects the ultrasonic measurement body 4 to the pipeline 21, ensuring a tight connection between the ultrasonic measurement body 4 and the pipeline 21, while providing convenience for the installation and removal of the ultrasonic measurement body 4. The sliding groove 22 provides a sliding track for the limiting sliding block 23, which slides within the sliding groove 22, thereby driving the cleaning rubber 26 and other cleaning components to move up and down, achieving cleaning of the outside of the ultrasonic measurement body 4. The connecting ring 24 and the mounting ring 25 are used to fixedly connect the limiting sliding block 23 and the cleaning rubber 26, respectively, and install the cleaning rubber 26 on the limiting sliding block 23, so that it can move with the sliding of the limiting sliding block 23. The cleaning rubber 26 physically wipes and cleans the outside of the ultrasonic measurement body 4, removing dust, oil stains and other impurities on the surface. Through the flexibility and wear resistance of the cleaning rubber 26, it can be fitted along the surface of the ultrasonic measurement body 4. The cross hollow groove 27 forms a hollow structure inside the cleaning rubber 26, which can better fit the surface of the ultrasonic measurement body 4 when in contact with it, then avoid blocking the probe of the ultrasonic measurement body 4 during work. The sponge 28 further enhances the cleaning effect and cooperates with the cleaning rubber 26 to perform secondary cleaning on the outside of the ultrasonic measurement body 4, absorbing and adsorbing liquid impurities, etc.

[0030] As shown in Figure 1 - Figure 3 The automatic cleaning assembly 2 is fixedly connected with the automatic telescopic assembly 3 inside. The automatic telescopic assembly 3 includes a bottom column 31 fixedly connected to the sliding groove 22, and a sliding block 32 slidingly connected to the sliding groove 22. The bottom end of the sliding block 32 is fixedly connected with a spring 33, and the end of the spring 33 away from the sliding block 32 is fixedly connected to the bottom column 31. The top end of the sliding block 32 is fixedly connected with a connecting column 34, and the end of the connecting column 34 away from the spring 33 is fixedly connected to the limiting sliding block 23.

[0031] The bottom column 31 is fixedly installed on the sliding groove 22, as a fixed support point of the spring 33 and the like, to provide a stable installation basis for the automatic telescopic assembly 3, the sliding block 32 slides in the sliding groove 22, drives the connecting column 34 and the limiting sliding block 23 and the like to move, to realize the up-down movement of the cleaning component, the spring 33 connects the sliding block 32 and the bottom column 31, uses the elastic deformation of the spring 33 to generate a restoring force, so that the sliding block 32 can be automatically reset, and drives the cleaning component to periodically move up and down, the connecting column 34 fixes the sliding block 32 and the limiting sliding block 23, transmits the movement of the sliding block 32, so that the limiting sliding block 23 can move with the sliding of the sliding block 32.

[0032] Working principle:

[0033] As shown in Figure 1 - Figure 5 :

[0034] In use: first, when the gas flows in the flow pipe 1, the spring 33 is compressed and stretched by the gas flow, and then drives the sliding block 32 to slide up and down in the sliding groove 22, the sliding block 32 is rigidly connected with the limiting sliding block 23 through the connecting column 34 fixedly connected at the top, so as to drive the limiting sliding block 23 to move up and down along the sliding groove 22, the movement of the limiting sliding block 23 is transmitted to the mounting ring 25 through the connecting ring 24 connected inside, so as to drive the cleaning rubber 26 and the sponge 28 at the top thereof to move vertically and reciprocally as a whole, in the process, the cleaning rubber 26 is tightly attached to the outer surface of the ultrasonic measurement body 4 through the flexible deformation of the cross hollow groove 27, and physical scraping cleaning is realized by using the high friction coefficient of the rubber material; the sponge 28 in synchronous movement is cleaned twice by adsorption, and the two form a composite cleaning layer.

[0035] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments shall fall within the protection scope of the present application.

Claims

1. A gas ultrasonic flow velocity measuring device, comprising a flow tube (1) and an ultrasonic measuring body (4), characterized in that; It also includes an automatic cleaning component (2), an automatic telescopic component (3) is fixedly connected inside the automatic cleaning component (2), the automatic cleaning component (2) includes a pipe (21) fixedly connected to the outside of the flow pipe (1), and a sliding groove (22) is provided on both sides inside the pipe (21), and a limit slider (23) is slidably connected on the sliding groove (22). The limiting slider (23) is fixedly connected to a connecting ring (24), the connecting ring (24) is fixedly connected to an installation ring (25), the installation ring (25) is fixedly connected to a cleaning rubber (26), the cleaning rubber (26) has a cross hollow groove (27) inside, and the top of the cleaning rubber (26) is fixedly connected to a sponge (28).

2. The gas ultrasonic flow velocity measuring device according to claim 1, characterized in that: The automatic telescopic component (3) includes a base column (31) fixedly connected to a slide groove (22), and a sliding block (32) is slidably connected to the slide groove (22).

3. The gas ultrasonic flow velocity measuring device according to claim 2, characterized in that: A spring (33) is fixedly connected to the bottom end of the sliding block (32), and the end of the spring (33) away from the sliding block (32) is fixedly connected to the bottom post (31).

4. The gas ultrasonic flow velocity measuring device according to claim 2, characterized in that: The top end of the sliding block (32) is fixedly connected to a connecting post (34), and the end of the connecting post (34) away from the spring (33) is fixedly connected to the limiting slider (23).

5. The gas ultrasonic flow velocity measuring device according to claim 1, characterized in that: The top end of the pipe (21) is fixedly connected to a connecting flange (5), and the outer side of the ultrasonic measuring body (4) is fixedly connected to the connecting flange (5).

6. The gas ultrasonic flow velocity measuring device according to claim 1, characterized in that: The top end of the flow tube (1) of the cross-shaped hollow groove (27) is in contact with the outer side of the ultrasonic measuring body (4).

7. The gas ultrasonic flow velocity measuring device according to claim 1, characterized in that: The top end of the flow tube (1) of the sponge (28) is in contact with the outer side of the ultrasonic measuring body (4).

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