CN217442650U

CN217442650U - Ultrasonic water meter transducer detection device

Info

Publication number: CN217442650U
Application number: CN202221029110.7U
Authority: CN
Inventors: 陈斌; 侯雅单; 陈伟; 庄伟荣
Original assignee: Ningbo Water Meter Group Co Ltd
Current assignee: Ningbo Water Meter Group Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-16
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses an supersound water gauge transducer detection device. The device comprises a detection pipe section body, a wedge-shaped reflecting column, an ultrasonic transmitting transducer and a standard ultrasonic transducer, wherein the detection pipe section body is of a Y-shaped symmetrical structure, the wedge-shaped reflecting column is provided with a first reflecting surface and a second reflecting surface which are symmetrical, and ultrasonic waves transmitted by the ultrasonic transmitting transducer are reflected to the standard ultrasonic transducer by the first reflecting surface and the second reflecting surface and are detected by the ultrasonic transducer. The ultrasonic signals received by the standard ultrasonic transducer and the ultrasonic transducer to be detected are transmitted by the same ultrasonic transmitting transducer, and the ultrasonic signals (frequency and amplitude) received by the transducer to be detected are compared with the ultrasonic signals (frequency and amplitude) received by the standard transducer, so that the conclusion that the transducer to be detected is qualified or not is obtained through comparison.

Description

Ultrasonic water meter transducer detection device

Technical Field

The utility model relates to a water gauge part detects technical field, especially relates to an supersound water gauge transducer detection device.

Background

In the field of ultrasonic water meters, with the continuous updating of chip technology, an ultrasonic water meter pipe section becomes a core component of the ultrasonic water meter. In an ultrasonic water meter, a sonic assembly located upstream and downstream of the ultrasonic meter pipe section is used as a sensing element for generating and receiving ultrasonic waves in the water. The ultrasonic water meter measures and calculates the speed of water flow in a pipeline by generating and receiving ultrasonic waves in water and analyzing the time and time difference of the generated and received ultrasonic waves in the working process.

In the prior art, an ultrasonic transducer is used as the most main influencing factor influencing the performance of the ultrasonic water meter in an ultrasonic water meter pipe section, and at present, in the production process of the ultrasonic water meter, a proper ultrasonic transducer performance comparison detection device is lacked to carry out transducer incoming material feeding detection on the ultrasonic water meter transducer used as a part of the ultrasonic water meter of the type, wherein the transducer incoming material feeding detection has acoustic properties such as waveform, amplitude and the like. Because the part detection cannot be carried out on the core component of the ultrasonic transducer through a proper device, the ultrasonic water meter assembled into a finished product is detected according to the finished product detection in the production process of the ultrasonic water meter. And once the quality problem of the ultrasonic transducer occurs, the finished product can only be disassembled and replaced, and then the ultrasonic transducer is reassembled into the finished product for detection. This production process is not conducive to improving the production quality and efficiency of the product.

Disclosure of Invention

A primary object of the utility model is to provide an supersound water gauge transducer detection device, the adoption is rotationally connected fixedly with the detection pipeline section body according to the cylinder central line of the reflection post of bearing a wedge, the preferred reflection post of bearing a wedge that adopts the screw fixation form, the device regards as the sound wave transmitting terminal in the bottom of Y shape, supersound water gauge transducer is installed to this transmitting terminal, the sound wave that transmitting terminal supersound water gauge transducer produced is through bearing a wedge the reflection post, fall into the sound wave of two tunnel same characteristics, receive simultaneously by two ultrasonic transducer of Y shape bottom. One of the two ultrasonic transducers at the bottom end of the Y shape is used as a standard transducer, and the other one is used as a transducer to be detected. Because the ultrasonic signals received by the two ultrasonic transducers are transmitted by the same transducer at the bottom end, the ultrasonic signals (frequency and amplitude) received by the transducer to be detected are compared with the ultrasonic signals (frequency and amplitude) received by the standard transducer, so that a conclusion about whether the transducer to be detected is qualified or not is obtained.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an ultrasonic water meter transducer detection device, including detecting pipeline section body 1, wedge shape reflection post 2, ultrasonic emission transducer 8, standard ultrasonic transducer 9, detecting pipeline section body 1 is provided with first ultrasonic transducer mounting groove 6 and second ultrasonic transducer mounting groove 7, standard ultrasonic transducer 9 with examine ultrasonic transducer 10 and install respectively in first ultrasonic transducer mounting groove 6 and second ultrasonic transducer mounting groove 7, detecting pipeline section body 1 is Y shape symmetrical structure, it has symmetrical first plane of reflection 201 and second plane of reflection 202 to lock shape reflection post 2, the ultrasonic wave that ultrasonic emission transducer 8 launched is reflected to standard ultrasonic transducer 9 and is examined ultrasonic transducer 10 by first plane of reflection 201 and second plane of reflection 202. Because the ultrasonic waves emitted by the ultrasonic transmitting transducer 8 are reflected by the first reflecting surface 201 and the second reflecting surface 202, the sound waves which simultaneously reach the standard ultrasonic transducer 9 and the ultrasonic transducer 10 to be detected and the ultrasonic waves emitted by the ultrasonic transmitting transducer 8 have the same sound wave characteristics, so that the characteristics of the ultrasonic transducer 10 to be detected and the standard ultrasonic transducer 9 can be compared, whether the characteristics of the ultrasonic transducer 10 to be detected meet the quality acceptance requirements or not can be quantitatively obtained, and the purpose of detecting the ultrasonic water meter transducer can be achieved.

Preferably, the bottom of the detection pipe section body 1 is provided with a water inlet 3, and the top of the detection pipe section body 1 is provided with a first exhaust port 4 and a second exhaust port 5 respectively. Air in the detection pipe section body 1 is simply and conveniently discharged, so that the detection pipe section body 1 is filled with water, and the ultrasonic waves are prevented from being interfered by bubbles in the pipe section in the transmission process. Meanwhile, the standard transducer part at the Y-shaped bottom end can be filled with water respectively, a certain amount of air is filled into the detected transducer part, and the ultrasonic signals (frequency and amplitude) of the standard transducer are compared according to the air filling amount, so that the influence of the air amount in the pipeline on the received ultrasonic signals is obtained. The device can also be used for testing the metering characteristics of the ultrasonic water meter under the non-full pipe state in the ultrasonic water meter pipeline.

Preferably, the detection pipe section body 1 and the wedge-shaped reflecting post are in threaded connection, so that the reflection angle of the first reflecting surface 201 and the second reflecting surface 202 relative to the detection pipe section body 1 can be adjusted more conveniently.

Preferably, the included angle between the first reflecting surface 201 and the second reflecting surface 202 of the wedge-shaped reflecting pole is 45 degrees.

Preferably, the surfaces of the first reflecting surface 201 and the second reflecting surface 202 are mirror surfaces.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, this ultrasonic transducer detection device can conveniently detect ultrasonic water gauge transducer through will examining the mode of ultrasonic transducer and standard ultrasonic transducer contrast. And moreover, the Y-shaped bottom end and the Y-shaped bottom end of the device are respectively provided with a water inlet hole and a water outlet hole, so that air in a pipeline can be conveniently discharged when the transducer to be detected is replaced, and the sound wave signals are ensured to be carried out in a full pipe state.

The device can also fill the standard transducer part at the Y-shaped bottom end with water respectively, fill a certain amount of air into the transducer part to be detected, and compare the ultrasonic signals (frequency and amplitude) of the standard transducer according to the air filling amount, thereby obtaining the influence of the air amount in the pipeline on the received ultrasonic signals. The device can also be used for testing the metering characteristics of the ultrasonic water meter under the non-full pipe state in the ultrasonic water meter pipeline.

Drawings

Fig. 1 is a schematic view of the overall structure of the detection pipe section body of the present invention;

fig. 2 is the utility model discloses well detection tube section body is installed and is used a wedge overall structure schematic diagram of shape reflection post.

Fig. 3 is the utility model discloses in the overall structure schematic diagram of shape reflection post is used to chock.

Fig. 4 and 5 are schematic diagrams of the overall structure of the ultrasonic water meter transducer detecting device (after the ultrasonic water meter transducer is mounted) of the present invention.

Fig. 6 is a schematic view of a cross-sectional structure of the ultrasonic water meter transducer detecting device (after the ultrasonic water meter transducer is mounted).

In the figure: 1. detecting a pipe section body; 2. a wedge-shaped reflecting column; 201. a first reflective surface; 202. a second reflective surface; 203. a thread; 3. a water inlet; 4. a first exhaust port; 5. a second exhaust port; 6. a first ultrasonic transducer mounting groove; 7. a second ultrasonic transducer mounting groove; 8. an ultrasonic transmitting transducer; 9. a standard ultrasonic transducer; 10. and (5) detecting the ultrasonic transducer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 6, an ultrasonic water meter transducer detection device, including test tube section body 1, wedge-shaped reflecting column 2, ultrasonic emission transducer 8, standard ultrasonic transducer 9, test tube section body 1 is provided with first ultrasonic transducer mounting groove 6 and second ultrasonic transducer mounting groove 7, standard ultrasonic transducer 9 and the ultrasonic transducer 10 of being examined are installed respectively in first ultrasonic transducer mounting groove 6 and second ultrasonic transducer mounting groove 7, test tube section body 1 is Y shape symmetrical structure, it has first plane of reflection 201 and the second plane of reflection 202 of symmetry to wedge-shaped reflecting column 2, the ultrasonic wave that ultrasonic emission transducer 8 launched is reflected to standard ultrasonic transducer 9 and is examined ultrasonic transducer 10 by first plane of reflection 201 and second plane of reflection 202.

The water inlet 3 is arranged at the bottom of the detection pipe section body 1, and the first exhaust port 4 and the second exhaust port 5 are respectively arranged at the top of the detection pipe section body 1. The wedge-shaped reflecting column 2 is rotationally connected and fixed with the detection pipe section body according to the cylinder central line of the wedge-shaped reflecting column, so that the reflection direction of the first reflecting surface 201 and the second reflecting surface 202 can be adjusted to an angle with the maximum reflected sound wave intensity according to the cylinder central line rotation of the wedge-shaped reflecting column, and preferably, the wedge-shaped reflecting column in a thread fixing mode is adopted. The included angle between the first reflecting surface 201 and the second reflecting surface 202 of the wedge-shaped reflecting column is less than 90 degrees, preferably 45 degrees, so that the reflected sound wave direction is opposite to the standard ultrasonic transducer 9 and the ultrasonic transducer 10 to be detected. The surfaces of the first and second reflecting

surfaces

201 and 202 are smooth surfaces, preferably mirror surfaces, so that they reflect sound waves to the maximum extent.

When the ultrasonic transducer is detected, firstly, an ultrasonic transmitting transducer 8 is installed at the bottom of a Y-shaped detection pipe section body 1, then, a standard ultrasonic transducer 9 and a detected ultrasonic transducer 10 are respectively installed in a first ultrasonic transducer installation groove 6 and a second ultrasonic transducer installation groove 7 at the top of the Y-shaped pipe section, and then, water is injected into a water inlet 3 at the bottom of the Y-shaped pipe, so that the water overflows from a first exhaust port 4 and a second exhaust port 5 at the top of the Y-shaped pipe, and the Y-shaped pipe is filled with water. The ultrasonic transmitting transducer 8 transmits sound waves, the sound waves are reflected into two sound waves with the same characteristics through the wedge-shaped reflecting column 2, and the two sound waves are respectively received by the standard ultrasonic transducer and the detected ultrasonic transducer, so that the detected ultrasonic transducer and the standard ultrasonic transducer are compared in a comparison mode, and the conclusion that whether the detected ultrasonic transducer is qualified or not is obtained.

In order to test the acoustic performance of the ultrasonic transducer of the ultrasonic water meter in the non-full water pipeline, one side of the standard transducer of the Y-shaped detection pipe section body 1 is filled with water, one side of the transducer to be tested is filled with a certain volume of air, and the comparison of ultrasonic signals (frequency and amplitude) is carried out according to the air filling volume and the standard transducer, so that the influence of the air bubble volume in the pipeline on the received ultrasonic signals is obtained. The device can also be used for testing the metering characteristics of the ultrasonic water meter under the non-full pipe state in the ultrasonic water meter pipeline.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an supersound water gauge transducer detection device, includes test tube section body (1), wedges shape reflection post (2), ultrasonic emission transducer (8), standard ultrasonic transducer (9), test tube section body (1) is provided with first ultrasonic transducer mounting groove (6) and second ultrasonic transducer mounting groove (7), install its characterized in that in first ultrasonic transducer mounting groove (6) and second ultrasonic transducer mounting groove (7) respectively with examined ultrasonic transducer (10) standard ultrasonic transducer (9): the detection pipe section body (1) is of a Y-shaped symmetrical structure, the wedge-shaped reflecting column (2) is provided with a first reflecting surface (201) and a second reflecting surface (202) which are symmetrical, and the first reflecting surface (201) and the second reflecting surface (202) are used for reflecting ultrasonic waves generated by the ultrasonic transmitting transducer (8) to the standard ultrasonic transducer (9) and the detected ultrasonic transducer (10) respectively.

2. The ultrasonic water meter transducer detecting device of claim 1, wherein: the bottom of detection pipeline section body (1) is provided with water inlet (3), the top of detection pipeline section body (1) is provided with first gas vent (4) and second gas vent (5) respectively.

3. The ultrasonic water meter transducer detecting device of claim 1, wherein: the wedge-shaped reflecting column (2) is rotatably connected with the detection pipe section body (1) according to the central line of the column body.

4. The ultrasonic water meter transducer detecting device of claim 3, wherein: the detection pipe section body (1) and the wedge-shaped reflecting column (2) are connected through a thread (203).

5. The ultrasonic water meter transducer detecting device of claim 1, wherein: an included angle between a first reflecting surface (201) and a second reflecting surface (202) of the wedge-shaped reflecting column is smaller than 90 degrees.

6. The ultrasonic water meter transducer detecting device of claim 5, wherein: an included angle between a first reflecting surface (201) and a second reflecting surface (202) of the wedge-shaped reflecting column is 45 degrees.

7. The ultrasonic water meter transducer detecting device of claim 1, wherein: the surfaces of the first reflecting surface (201) and the second reflecting surface (202) are smooth surfaces.

8. The ultrasonic water meter transducer detecting device of claim 7, wherein: the surfaces of the first reflecting surface (201) and the second reflecting surface (202) are mirror surfaces.