An ultrasonic fluid measuring device

Abstract

This utility model discloses an ultrasonic fluid measuring device, including a pipe body and an ultrasonic transducer mounted on the pipe body. A mounting base for mounting the ultrasonic transducer is slidably disposed on the pipe body. Sliding grooves for accommodating the mounting base are formed on the corresponding outer walls on both sides of the pipe body. A double-layer groove communicating with the sliding grooves is also formed on the pipe body. A double-layer sliding plate slidably connected within the double-layer groove is provided on the outer wall of the mounting base. By providing a double-layer sliding plate slidably connected to the pipe body on the mounting base, in conjunction with the sliding grooves and double-layer grooves formed on the pipe body, the mounting base can slide on the pipe body. The mounting base is used to mount the ultrasonic transducer, thus realizing the movable function of the ultrasonic transducer.

Description

Technical Field

[0001] This utility model relates to the field of fluid detection technology, and in particular to an ultrasonic fluid measurement device. Background Technology

[0002] Ultrasonic fluid detection technology, especially ultrasonic flow meters, is widely used in fluid monitoring and control in industries such as industry, municipal engineering, and energy due to its advantages such as no pressure loss, high accuracy, and the ability to measure flow rates in large-diameter pipes. Its basic principle is to use one or more pairs of ultrasonic transducers (probes) to transmit and receive ultrasonic signals, and to calculate the fluid velocity, flow rate, or other physical properties by measuring the time difference (time-difference method) of the ultrasonic waves propagating upstream and downstream in the fluid, or by measuring changes in other acoustic parameters (such as attenuation and sound velocity).

[0003] In existing ultrasonic fluid testing devices, a pair of transducers are mounted on the outer wall of the measuring pipe section or inserted inside the pipe section at a specific angle (such as the reflective / V method, Z method) or through-beam method (such as the direct transmission / W method). The sound wave propagation path length between the two transducers, i.e., the sound path L, is a key geometric parameter fixed by the mechanical structure.

[0004] A fixed sound path L is optimized for specific measurement conditions (such as the expected flow velocity range, fluid medium type, particulate matter content, etc.). When actual operating conditions deviate from the design conditions, for example: When a fluid contains a large number of bubbles or solid particles, causing severe attenuation of the ultrasonic signal, a fixed long sound path may cause the signal strength to fall below the detection threshold, resulting in measurement interruption or failure.

[0005] When the flow rate is much lower than the design range, a fixed sound path may not provide sufficient time difference resolution, resulting in a significant decrease in measurement accuracy. Summary of the Invention

[0006] In order to solve the above-mentioned technical problems, this utility model provides an ultrasonic fluid measuring device.

[0007] The technical solution of this utility model is implemented as follows: An ultrasonic fluid measuring device includes a tube body and an ultrasonic transducer mounted on the tube body. A mounting base for mounting the ultrasonic transducer is slidably disposed on the tube body. Slide grooves for accommodating the mounting base are formed on the corresponding outer walls on both sides of the tube body. A sandwich groove communicating with the slide groove is also formed on the tube body. A sandwich sliding plate slidably connected in the sandwich groove is provided on the outer wall of the mounting base.

[0008] Furthermore, the mounting base is disposed at the center of the interlayer slide plate, and the length of the interlayer slide plate is greater than twice the length of the slide groove.

[0009] Furthermore, the inner wall of the slide groove is provided with a plurality of positioning grooves arranged in an array, and the outer wall of the mounting base is provided with a positioning block that is fitted into the positioning groove.

[0010] Furthermore, the arc of the slot in the interlayer groove is consistent with the arc of the inner wall of the pipe body, and the interlayer slide plate is an arc-shaped plate component whose arc is consistent with the arc of the slot in the interlayer groove.

[0011] Furthermore, the outer wall of the sandwich slide plate is a resilient sealing coating.

[0012] Furthermore, the mounting base has a mounting groove for mounting the ultrasonic transducer, and the mounting groove and the ultrasonic transducer are fixed to each other through a connecting part.

[0013] Furthermore, the connecting part includes a snap-fit ​​groove formed in the mounting groove, and a snap-fit ​​ring protruding from the outer wall of the ultrasonic transducer and engaging in the snap-fit ​​groove.

[0014] Furthermore, the top of the ultrasonic transducer is provided with a handle, and the outer wall of the tube body with the groove is a flat surface.

[0015] Compared with the prior art, this utility model has the following advantages: This invention features a sliding plate that is slidably connected to the pipe body on the mounting base. Combined with the sliding groove and interlayer groove on the pipe body, the mounting base can slide on the pipe body. The mounting base is used to install the ultrasonic transducer, thus realizing the movable function of the ultrasonic transducer. This allows the invention to adjust the sound path according to the actual working conditions, thereby effectively solving the problems of signal attenuation caused by a large number of bubbles or solid particles in the fluid and the decrease in measurement accuracy caused by the flow rate being far below the design range. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an ultrasonic fluid measuring device according to the present invention; Figure 2 This is one of the three-dimensional cross-sectional views of an ultrasonic fluid measuring device according to this utility model; Figure 3 for Figure 2 Enlarged view of part A in the middle; Figure 4 This is a second three-dimensional cross-sectional view of an ultrasonic fluid measuring device according to the present invention; Figure 5 for Figure 3 A magnified view of part B in the middle.

[0017] 1. Tube body; 2. Ultrasonic transducer; 3. Mounting base; 4. Slide groove; 5. Interlayer groove; 6. Interlayer slide plate; 7. Positioning groove; 8. Positioning block; 9. Mounting groove; 10. Handle position. Detailed Implementation

[0018] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0019] like Figure 1-5 As shown, this embodiment provides an ultrasonic fluid measuring device, including a tube body 1 and an ultrasonic transducer 2 mounted on the tube body 1. A mounting base 3 for mounting the ultrasonic transducer 2 is slidably disposed on the tube body 1. Sliding grooves 4 for accommodating the mounting base 3 are formed on the corresponding outer walls on both sides of the tube body 1. A double-layer groove 5 communicating with the sliding groove 4 is also formed on the tube body 1. A double-layer sliding plate 6 slidably connected in the double-layer groove 5 is provided on the outer wall of the mounting base 3.

[0020] In this embodiment, the mounting base 3 achieves the function of sliding on the tube body 1 through the sliding engagement between the sandwich sliding plate 6 and the sandwich groove 5, so that the position of the ultrasonic transducer 2 on the tube body 1 is adjustable, which makes it easy to adjust the position of the transducer according to different measurement needs, thereby optimizing the measurement effect.

[0021] Furthermore, the mounting base 3 is located at the center of the interlayer slide plate 6, and the length of the interlayer slide plate 6 is greater than twice the length of the slide groove 4.

[0022] The length design of the sandwich slide plate 6 ensures that a portion of the sandwich slide plate 6 remains within the sandwich groove 5 during the movement of the mounting base 3, thereby maintaining a stable connection between the mounting base 3 and the pipe body 1. At the same time, it ensures that the sandwich slide plate 6 can always seal the groove 4, preventing liquid leakage from the pipe body 1.

[0023] Furthermore, the inner wall of the slide groove 4 is provided with a plurality of positioning grooves 7 arranged in an array, and the outer wall of the mounting base 3 is provided with a positioning block 8 that is assembled in the positioning groove 7.

[0024] When the mounting base 3 is moved to the desired position, the positioning block 8 and the positioning groove 7 are engaged to fix the mounting base 3 in that position, thereby achieving precise positioning and fixation of the mounting base 3 on the tube body 1, ensuring that the ultrasonic transducer 2 remains stable during the measurement process and avoiding measurement errors caused by position movement; in this embodiment, the positioning groove 7 can be set according to requirements, and the sound path can be accurately adjusted by adjusting its number and the spacing between adjacent positioning grooves 7.

[0025] Furthermore, the grooving curvature of the interlayer groove 5 is consistent with the curvature of the inner wall of the tube body 1, and the interlayer slide plate 6 is an arc-shaped plate component, the curvature of which is consistent with the grooving curvature of the interlayer groove 5.

[0026] The arc-shaped design ensures that the sandwich slide plate 6 fits tightly with the sandwich groove 5, guaranteeing smooth sliding, improving overall sealing and structural stability, and reducing installation difficulties or poor sliding caused by shape mismatch.

[0027] Furthermore, the outer wall of the sandwich slide plate 6 is a resilient sealing coating.

[0028] An elastic sealing coating forms a sealing layer between the sandwich slide plate 6 and the sandwich groove 5 to prevent fluid leakage, enhance sealing performance, ensure that no fluid leaks during the measurement process, and improve the accuracy and reliability of the measurement.

[0029] Furthermore, the mounting base 3 is provided with a mounting groove 9 for mounting the ultrasonic transducer 2, and the mounting groove 9 and the ultrasonic transducer 2 are fixed to each other through a connecting part.

[0030] Furthermore, the connecting part includes a snap-fit ​​groove formed in the mounting groove 9, and a snap-fit ​​ring protruding from the outer wall of the ultrasonic transducer 2 and engaging in the snap-fit ​​groove.

[0031] The ultrasonic transducer 2 is fixedly connected by engaging with the snap-fit ​​groove in the mounting groove 9 through the snap-fit ​​ring, ensuring that the ultrasonic transducer 2 is firmly installed on the mounting base 3, preventing loosening or displacement during the measurement process, and improving the stability of the measurement.

[0032] Furthermore, the top of the ultrasonic transducer 2 is provided with a handle position 10, and the outer wall of the tube body 1 with the groove 4 is a flat surface.

[0033] The handle 10 makes it easy for operators to grab and move the ultrasonic transducer 2; the flat surface design makes the mounting base 3 slide more smoothly in the slide groove 4, which facilitates the installation and removal of the ultrasonic transducer 2.

[0034] The working process and principle of this utility model are as follows: The ultrasonic fluid measuring device of this invention uses a sliding mounting base 3 to adjust the position of the ultrasonic transducer 2 to adapt to different measurement needs. During operation, the operator first installs the ultrasonic transducer 2 into the mounting groove 9 of the mounting base 3 using the handle 10, and secures it firmly through the engagement of the snap ring and the snap groove. Then, according to the measurement requirements, the operator pushes the mounting base 3 to slide along the slide groove 4 on the outer wall of the pipe body 1. The interlayer slide plate 6 moves synchronously within the interlayer groove 5. The length of the interlayer slide plate 6 is greater than twice the length of the slide groove 4, ensuring that it always covers the opening of the slide groove 4 to prevent liquid leakage from the pipe body 1. When the mounting base 3 moves to the required position, the positioning block 8 on the outer wall of the mounting base 3 engages with the positioning groove 7 on the inner wall of the slide groove 4 to fix the mounting base 3 in that position, thereby achieving precise positioning of the ultrasonic transducer 2. The arc-shaped design and elastic sealing coating of the interlayer slide plate 6 further ensure the smoothness and sealing of the sliding process, improving the stability and reliability of the device.

[0035] During the measurement process, the ultrasonic transducer 2 measures the flow velocity and flow rate of the fluid by emitting and receiving ultrasonic signals. Since the position of the mounting base 3 can be adjusted according to the actual working conditions, the device can optimize the sound path length, thereby improving the measurement accuracy. For example, when the fluid contains a large number of bubbles or solid particles, shortening the sound path can reduce signal attenuation and ensure the accuracy of the measurement. When the flow velocity is low, adjusting the sound path can improve the time difference resolution and further improve the measurement accuracy. This adjustable design allows the device to adapt to a variety of complex measurement environments and meet the measurement needs under different working conditions.

[0036] The specific embodiments of the utility model have been described in detail above, but they are only examples. The utility model is not limited to the specific embodiments described above. Those skilled in the art should understand that the embodiments and descriptions above are merely illustrative of the principles of the utility model. Various changes and modifications can be made to the utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the utility model as claimed. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An ultrasonic fluid measuring device, comprising a tube body (1) and an ultrasonic transducer (2) mounted on the tube body (1), characterized in that: The tube body (1) is slidably provided with a mounting base (3) for installing an ultrasonic transducer (2). The outer walls of the tube body (1) on both sides are provided with grooves (4) for accommodating the mounting base (3). The tube body (1) is also provided with a sandwich groove (5) communicating with the groove (4). The outer wall of the mounting base (3) is provided with a sandwich slide plate (6) slidably connected in the sandwich groove (5).

2. The ultrasonic fluid measuring device according to claim 1, characterized in that: The mounting base (3) is located at the center of the interlayer slide plate (6), and the length of the interlayer slide plate (6) is greater than twice the length of the slide groove (4).

3. The ultrasonic fluid measuring device according to claim 1, characterized in that: The inner wall of the slide (4) is provided with a number of positioning grooves (7), and the outer wall of the mounting base (3) is provided with a positioning block (8) that fits into the positioning groove (7).

4. The ultrasonic fluid measuring device according to claim 1, characterized in that: The arc of the slotted groove (5) is consistent with the arc of the inner wall of the tube body (1), and the slotted slide plate (6) is an arc-shaped plate component with an arc consistent with the arc of the slotted groove (5).

5. The ultrasonic fluid measuring device according to claim 1, characterized in that: The outer wall of the sandwich slide plate (6) is a flexible sealing coating.

6. The ultrasonic fluid measuring device according to claim 1, characterized in that: The mounting base (3) has a mounting groove (9) for mounting the ultrasonic transducer (2), and the mounting groove (9) and the ultrasonic transducer (2) are fixed to each other through a connecting part.

7. The ultrasonic fluid measuring device according to claim 6, characterized in that: The connecting part includes a snap-fit ​​groove formed in the mounting groove (9) and a snap-fit ​​ring protruding from the outer wall of the ultrasonic transducer (2) and engaging in the snap-fit ​​groove.

8. The ultrasonic fluid measuring device according to claim 1, characterized in that: The ultrasonic transducer (2) has a handle (10) on its top, and the outer wall of the tube (1) with the groove (4) is flat.

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