Portable flow comparison equipment

Abstract

The utility model discloses a portable flow comparison device which comprises chucks and a sleeve type support, the two chucks are arranged at the two ends of the sleeve type support respectively, ultrasonic transducers are arranged on the surfaces of the front sides of the two ends of the sleeve type support, and receivers corresponding to the ultrasonic transducers are arranged on the surfaces of the rear sides of the two ends of the sleeve type support. According to the utility model, the defects of the traditional flowmeter comparison device are overcome, the problem that the flowmeter can be additionally arranged in the pipeline only by damaging the pipeline is effectively solved, the traditional contact type installation process is avoided, the use is fast and convenient, and the flow comparison monitoring can be carried out on any position of the pipeline.

Description

Technical Field

[0001] The utility model relates to a portable flow comparison device, belonging to the technical field of pipeline flow detection. Background Art

[0002] The pipeline flow monitor is a flow monitoring device designed with integrated sensor technology, suitable for urban drainage network flow monitoring, urban outlet pipeline flow monitoring, canal flow monitoring, culvert flow monitoring, etc. Usually, a flow regulating valve connected in parallel with the comparison pipeline is provided in the regulating pipeline to adjust the flow in the pipeline, and the outlet of the flow regulating valve is connected to the outside world, so that when performing the comparison operation, the flow of the fluid entering the comparison pipeline can be controlled by controlling the opening of the flow regulating valve, and the values ​​of the measured flow meter and the standard flow meter under different flow rates can be compared and verified, and the structure is relatively simple. For example, the invention is named A portable flow comparison device (publication number: CN207248305U), which discloses that a flow regulating valve connected in parallel with the comparison pipeline is provided in the regulating pipeline for adjusting the flow in the pipeline, and the outlet of the flow regulating valve is connected to the outside, so that when performing the comparison operation, the opening of the flow regulating valve can be controlled to control the flow rate of the fluid entering the comparison pipeline, and the values ​​of the measured flow meter and the standard flow meter at different flow rates can be compared and verified.

[0003] However, in the prior art, when a flow meter is installed in a pipeline, the pipeline needs to be destroyed, and the device can only detect the gas flow rate, which is generally not practical. Therefore, we propose a portable flow comparison device. Utility Model Content

[0004] The purpose of the utility model is to provide a portable flow comparison device, which eliminates the traditional contact installation process, is quick and convenient to use, and can perform flow comparison monitoring at any position of the pipeline.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a portable flow comparison device, including a chuck and a sleeve-type bracket, the two chucks are respectively arranged at the two ends of the sleeve-type bracket, and the internal cavities of the chuck and the sleeve-type bracket correspond to form a continuous channel, the channel is used to plug in the pipeline, ultrasonic transducers are arranged on the front surfaces of the two ends of the sleeve-type bracket, and receivers corresponding to the ultrasonic transducers are arranged on the rear surfaces of the two ends of the sleeve-type bracket. The ultrasonic transducers and receivers are distributed on both sides of the ultrasonic transducer in a one-to-one correspondence. The ultrasonic transducer is responsible for emitting ultrasonic signals, which propagate in the fluid and send ultrasonic pulses into the fluid. The receiver is responsible for receiving ultrasonic signals reflected back from the fluid. The ultrasonic signals received by the receiver are converted into electrical signals and processed by the signal processing unit.

[0006] The aforementioned portable flow comparison device has a horizontal holder on the top of the sleeve-type bracket, and a data display on the top of the horizontal holder. The data display is electrically connected to the ultrasonic transducer and the receiver through a data transmission line. The signal processing unit is responsible for measuring the propagation time and frequency change of the ultrasonic wave, and calculating the flow rate and flow rate of the fluid based on this. Finally, the measurement result is displayed on the data display through the data transmission line for the user to view or use.

[0007] In the aforementioned portable flow comparison device, the inner side wall of the chuck is evenly distributed with limiting components for fixing the pipeline to be tested.

[0008] The aforementioned portable flow comparison device, the limiting component includes limiting columns, the limiting columns are evenly distributed on the inner wall of the chuck, and the limiting columns all point to the center of the chuck, and the limiting columns are installed with ear plates arranged parallel to each other at one end close to the center of the chuck, and wear-resistant steel balls are rotatably hingedly installed between the ear plates.

[0009] In the aforementioned portable flow comparison device, a blind hole is provided on the inner wall of the chuck, the end of the limit column away from the center of the chuck can be slidably inserted into the blind hole, and a limit spring is provided between the limit column and the bottom surface of the inner cavity of the blind hole.

[0010] The aforementioned portable flow comparison device, the side wall of the chuck is provided with a fixed handle.

[0011] The aforementioned portable flow comparison device, wherein the fixed handle is sleeved with a flexible grip.

[0012] Compared with the prior art, the utility model solves the shortcomings of traditional flow meter comparison devices, effectively solves the problem of needing to destroy the pipeline to install the flow meter in the pipeline, eliminates the traditional contact installation process, is quick and convenient to use, and can perform flow comparison monitoring at any position of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the front three-dimensional structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the back side of the utility model;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the limiting component of the utility model;

[0016] Figure 4 It is a cross-sectional view of the installation structure of the limiting component of the utility model.

[0017] Figure numerals: 1-chuck, 2-sleeve bracket, 3-horizontal holder, 4-data display, 5-ultrasonic transducer, 6-receiver, 7-data transmission line, 8-limiting component, 9-limiting column, 10-ear plate, 11-wear-resistant steel ball, 12-blind hole, 13-limiting spring, 14-fixed handle, 15-flexible grip.

[0018] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods. DETAILED DESCRIPTION

[0019] Embodiment 1 of the utility model: A portable flow comparison device comprises a chuck 1 and a sleeve bracket 2, wherein the two chucks 1 are respectively arranged at the two ends of the sleeve bracket 2, and the internal cavities of the chuck 1 and the sleeve bracket 2 correspond to form a continuous channel, and the channel is used to plug in the pipeline, ultrasonic transducers 5 are arranged on the front side surfaces at both ends of the sleeve bracket 2, and receivers 6 corresponding to the ultrasonic transducers 5 are arranged on the rear side surfaces at both ends of the sleeve bracket 2, and the ultrasonic transducers 5 and the receivers 6 are distributed on both sides of the ultrasonic transducer 5 in a one-to-one manner, and the ultrasonic transducer 5 is responsible for emitting ultrasonic signals, which propagate in the fluid and send ultrasonic pulses into the fluid, and the receiver 6 is responsible for receiving ultrasonic signals reflected back from the fluid, and the ultrasonic signals received by the receiver 6 are converted into electrical signals and processed by the signal processing unit.

[0020] Embodiment 2 of the utility model: A portable flow comparison device, comprising a chuck 1 and a sleeve-type bracket 2, wherein the two chucks 1 are respectively arranged at the two ends of the sleeve-type bracket 2, and the internal cavities of the chuck 1 and the sleeve-type bracket 2 correspond to form a continuous channel, and the channel is used to plug in the pipeline, ultrasonic transducers 5 are arranged on the front side surfaces at both ends of the sleeve-type bracket 2, and receivers 6 corresponding to the ultrasonic transducers 5 are arranged on the rear side surfaces at both ends of the sleeve-type bracket 2, and the ultrasonic transducers 5 and the receivers 6 are distributed on both sides of the ultrasonic transducer 5 in a one-to-one manner, and the ultrasonic transducer 5 is responsible for emitting ultrasonic signals, which propagate in the fluid and send ultrasonic pulses into the fluid, and the receiver 6 is responsible for receiving ultrasonic signals reflected back from the fluid, and the ultrasonic signals received by the receiver 6 are converted into electrical signals and processed by the signal processing unit.

[0021] A horizontal holder 3 is arranged on the top of the sleeve-type bracket 2, and a data display 4 is arranged on the top of the horizontal holder 3. The data display 4 is electrically connected to the ultrasonic transducer 5 and the receiver 6 through a data transmission line 7. The signal processing unit is responsible for measuring the propagation time and frequency change of the ultrasonic wave, and calculating the flow rate and flow rate of the fluid accordingly. Finally, the measurement result is displayed on the data display 4 through the data transmission line 7 for the user to view or use. The installation is flexible, eliminating the traditional contact installation process, and the use is quick and convenient.

[0022] Embodiment 3 of the present utility model: A portable flow comparison device comprises a chuck 1 and a sleeve bracket 2, wherein the two chucks 1 are respectively arranged at the two ends of the sleeve bracket 2, and the internal cavities of the chuck 1 and the sleeve bracket 2 correspond to form a continuous channel, and the channel is used to plug in the pipeline, and the inner wall of the chuck 1 is evenly distributed with limiting components 8 for fixing the pipeline to be detected, and ultrasonic transducers 5 are arranged on the front side surfaces of the two ends of the sleeve bracket 2, and receivers 6 corresponding to the ultrasonic transducers 5 are arranged on the rear side surfaces of the two ends of the sleeve bracket 2, and the ultrasonic transducers 5 and the receivers 6 are distributed on both sides of the ultrasonic transducer 5 in a one-to-one manner, and the ultrasonic transducer 5 is responsible for emitting ultrasonic signals, which propagate in the fluid and send ultrasonic pulses to the fluid, and the receiver 6 is responsible for receiving ultrasonic signals reflected back from the fluid, and the ultrasonic signals received by the receiver 6 are converted into electrical signals and processed by the signal processing unit.

[0023] A horizontal holder 3 is arranged on the top of the sleeve-type bracket 2, and a data display 4 is arranged on the top of the horizontal holder 3. The data display 4 is electrically connected to the ultrasonic transducer 5 and the receiver 6 through a data transmission line 7. The signal processing unit is responsible for measuring the propagation time and frequency change of the ultrasonic wave, and calculating the flow rate and flow rate of the fluid accordingly. Finally, the measurement result is displayed on the data display 4 through the data transmission line 7 for the user to view or use. The installation is flexible, eliminating the traditional contact installation process, and the use is quick and convenient.

[0024] Among them, the limiting component 8 includes a limiting column 9, which is evenly distributed on the inner wall of the chuck 1, and the limiting columns 9 all point to the center of the chuck 1. The limiting columns 9 are installed with ear plates 10 arranged parallel to each other at one end close to the center of the chuck 1, and wear-resistant steel balls 11 are rotatably hingedly installed between the ear plates 10. A blind hole 12 is opened on the inner wall of the chuck 1, and the end of the limiting column 9 away from the center of the chuck 1 can be slidably inserted into the blind hole 12. A limiting spring 13 is arranged between the limiting column 9 and the bottom surface of the inner cavity of the blind hole 12. After the chuck 1 contacts the pipeline to be tested, the wear-resistant steel ball 11 drives the hinged ear plate 10 to move inward, so that the limiting column 9 squeezes the limiting spring 13 along the inner side of the blind hole 12 and deforms it. Under the elastic support of the spring 13, multiple groups of wear-resistant steel balls 11 complete the firm clamping of the pipeline.

[0025] Embodiment 4 of the utility model: A portable flow comparison device comprises a chuck 1 and a sleeve bracket 2, wherein the two chucks 1 are respectively arranged at the two ends of the sleeve bracket 2, and the internal cavities of the chuck 1 and the sleeve bracket 2 correspond to form a continuous channel, and the channel is used to plug in the pipeline, and the inner wall of the chuck 1 is evenly distributed with limiting components 8 for fixing the pipeline to be detected, and ultrasonic transducers 5 are arranged on the front side surfaces of the two ends of the sleeve bracket 2, and receivers 6 corresponding to the ultrasonic transducers 5 are arranged on the rear side surfaces of the two ends of the sleeve bracket 2, and the ultrasonic transducers 5 and the receivers 6 are distributed on both sides of the ultrasonic transducer 5 in a one-to-one manner, and the ultrasonic transducer 5 is responsible for emitting ultrasonic signals, which propagate in the fluid and send ultrasonic pulses to the fluid, and the receiver 6 is responsible for receiving ultrasonic signals reflected back from the fluid, and the ultrasonic signals received by the receiver 6 are converted into electrical signals and processed by the signal processing unit.

[0026] A horizontal holder 3 is arranged on the top of the sleeve-type bracket 2, and a data display 4 is arranged on the top of the horizontal holder 3. The data display 4 is electrically connected to the ultrasonic transducer 5 and the receiver 6 through a data transmission line 7. The signal processing unit is responsible for measuring the propagation time and frequency change of the ultrasonic wave, and calculating the flow rate and flow rate of the fluid accordingly. Finally, the measurement result is displayed on the data display 4 through the data transmission line 7 for the user to view or use. The installation is flexible, eliminating the traditional contact installation process, and the use is quick and convenient.

[0027] Among them, the limiting component 8 includes a limiting column 9, which is evenly distributed on the inner wall of the chuck 1, and the limiting columns 9 all point to the center of the chuck 1. The limiting columns 9 are installed with ear plates 10 arranged parallel to each other at one end close to the center of the chuck 1, and wear-resistant steel balls 11 are rotatably hingedly installed between the ear plates 10. A blind hole 12 is opened on the inner wall of the chuck 1, and the end of the limiting column 9 away from the center of the chuck 1 can be slidably inserted into the blind hole 12. A limiting spring 13 is arranged between the limiting column 9 and the bottom surface of the inner cavity of the blind hole 12. After the chuck 1 contacts the pipeline to be tested, the wear-resistant steel ball 11 drives the hinged ear plate 10 to move inward, so that the limiting column 9 squeezes the limiting spring 13 along the inner side of the blind hole 12 and deforms it. Under the elastic support of the spring 13, multiple groups of wear-resistant steel balls 11 complete the firm clamping of the pipeline.

[0028] Specifically, a fixed handle 14 is provided on the side wall of the chuck 1, and a flexible grip 15 is sleeved on the fixed handle 14 for easy holding. Since the middle part of the wear-resistant steel ball 11 can flexibly rotate along the central axis of the hinged ear plate 10, the fixed handle 14 can be pushed manually according to the specific position where the ultrasonic transducer 5 needs to be installed. The fixed handle 14 drives the chuck 1 and the sleeve-type bracket 2 to move horizontally along the outside of the pipeline, and flow comparison monitoring can be performed on any position of the pipeline. When carrying, the whole set of this product can be lifted by the carrying fixed handle 14, which is convenient to carry.

[0029] The working principle of an embodiment of the utility model: when the utility model is used, the chuck 1 at one end of the pipeline to be tested is inserted. After the chuck 1 contacts the pipeline to be tested, the wear-resistant steel ball 11 drives the hinged ear plate 10 to move inward, so that the limit column 9 squeezes the limit spring 13 along the inner side of the blind hole 12 and deforms it. Under the elastic support of the spring 13, multiple groups of wear-resistant steel balls 11 complete the stable clamping of the pipeline. According to the specific position where the ultrasonic transducer 5 needs to be installed, the fixed handle 14 can be pushed by hand, and the fixed handle 14 drives the chuck 1 and the sleeve bracket 2 to move horizontally along the outer side of the pipeline, and the flow rate comparison monitoring can be performed at any position of the pipeline;

[0030] When performing detection, the ultrasonic transducer 5 is started to emit ultrasonic signals. These signals propagate in the fluid, sending ultrasonic pulses into the fluid. The receiver 6 receives the ultrasonic signals reflected from the fluid. The ultrasonic signals received by the receiver 6 are converted into electrical signals and processed by the signal processing unit. The signal processing unit processes and measures the propagation time and frequency changes of the ultrasonic waves, and calculates the flow rate and flow of the fluid based on this. Finally, the measurement results are displayed on the data display 4 through the data transmission line 7 for the user to view or use. The installation is flexible, eliminating the traditional contact installation process, and the use is quick and convenient.

Claims

1. A portable flow comparison device, characterized in that: The invention comprises a chuck (1) and a sleeve-type bracket (2), wherein the two chucks (1) are respectively arranged at the two ends of the sleeve-type bracket (2), and the internal cavities of the chuck (1) and the sleeve-type bracket (2) correspond to form a continuous channel, and the front surfaces of the two ends of the sleeve-type bracket (2) are provided with ultrasonic transducers (5), and the rear surfaces of the two ends of the sleeve-type bracket (2) are provided with receivers (6) corresponding to the ultrasonic transducers (5), and the ultrasonic transducers (5) and the receivers (6) are distributed on both sides of the ultrasonic transducer (5) in a one-to-one correspondence.

2. A portable flow comparison device according to claim 1, characterized in that: A horizontal card seat (3) is arranged on the top of the sleeve-type bracket (2), and a data display (4) is arranged on the top of the horizontal card seat (3). The data display (4) is electrically connected to the ultrasonic transducer (5) and the receiver (6) via a data transmission line (7).

3. A portable flow comparison device according to claim 1, characterized in that: The inner side wall of the chuck (1) is evenly distributed with limiting components (8).

4. A portable flow comparison device according to claim 3, characterized in that: The limiting component (8) comprises limiting columns (9), the limiting columns (9) are evenly distributed on the inner side wall of the chuck (1), and the limiting columns (9) all point to the center direction of the chuck (1), and the limiting columns (9) are installed with ear plates (10) arranged parallel to each other at one end of the limiting columns (9) close to the center of the chuck (1), and wear-resistant steel balls (11) are rotatably hingedly installed between the ear plates (10).

5. A portable flow comparison device according to claim 4, characterized in that: A blind hole (12) is provided on the inner wall of the chuck (1), and the end of the limit column (9) away from the center of the chuck (1) can be slidably inserted into the blind hole (12), and a limit spring (13) is provided between the limit column (9) and the bottom surface of the inner cavity of the blind hole (12).

6. A portable flow comparison device according to claim 1, characterized in that: A fixed handle (14) is provided on the side wall of the chuck (1).

7. A portable flow comparison device according to claim 6, characterized in that: A flexible grip (15) is sleeved on the fixed handle (14).

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