CN217236892U

CN217236892U - Ultrasonic water meter tube core structure and shell

Info

Publication number: CN217236892U
Application number: CN202122991514.6U
Authority: CN
Inventors: 周良璋; 罗穗安; 戴于东
Original assignee: Ningbo Zlink Technology Co ltd; Hangzhou Hexing Electrical Co Ltd; Ningbo Henglida Technology Co Ltd
Current assignee: Ningbo Zlink Technology Co ltd; Hangzhou Hexing Electrical Co Ltd; Ningbo Henglida Technology Co Ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-08-19
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses an ultrasonic water meter tube core structure and casing, including the tube core body, be equipped with on the tube core body: an entrance port; an exit port; a first reflection section provided corresponding to the incident port; a second reflection portion provided corresponding to the exit port; further comprising: a third reflection section; the ultrasonic signal enters from the entrance port, is reflected by the first reflection part, the third reflection part and the second reflection part in sequence, and then is emitted from the exit port. The utility model discloses with ultrasonic signal through first reflection portion, third reflection portion, the reflection of second reflection portion syllogic, changed the inclination between first reflection portion and third reflection portion and the tube core body, improved the flow field, reduced the loss of pressure, improve measurement accuracy.

Description

Ultrasonic water meter tube core structure and shell

Technical Field

The utility model relates to an ultrasonic water meter field, concretely relates to ultrasonic water meter tube core structure and casing.

Background

As shown in fig. 1, in the water meter industry, the pipe section of the small-caliber ultrasonic valve-controlled water meter is composed of a copper shell, a U-shaped reflecting bracket and a ball valve, an ultrasonic transducer is mounted on the pipe section to vertically guide in a reflecting plate, the reflecting plate is 45 degrees opposite to a side 45 degrees reflecting plate, and then signals are vertically guided out.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an ultrasonic water meter tube core structure has solved above-mentioned problem.

The utility model adopts the following technical proposal: the utility model provides an ultrasonic water meter tube core structure, includes the tube core body, be equipped with on the tube core body: an entrance port; an exit port; a first reflection section provided corresponding to the incident port; a second reflection part provided corresponding to the exit port; a third reflection section; the ultrasonic signal enters from the entrance port, is reflected by the first reflection unit, the third reflection unit and the second reflection unit in sequence, and then is emitted from the exit port.

Preferably, the first reflection part and the second reflection part are disposed on both sides of the third reflection part.

Preferably, the first reflection part and the second reflection part are symmetrically arranged on two sides of the third reflection part.

Preferably, the first reflection unit and the second reflection unit are respectively disposed right below the entrance port and the exit port.

Preferably, the inclination angle between the first and second reflection parts and the die body is greater than 0 degree and less than 45 degrees.

Preferably, the first reflection part and the second reflection part are inclined plates detachably arranged in the tube core body.

The utility model provides an ultrasonic water meter shell, includes the pipeline section body and sets up the ultrasonic water meter tube core structure in the pipeline section body, the pipeline section body includes: a first mounting hole provided corresponding to the incident port; and the second mounting hole is arranged corresponding to the emergent port.

Preferably, the first mounting hole and the second mounting hole are provided with transducer mounting parts.

Preferably, the ends of the transducer mount are embedded in the entrance and exit ports.

Preferably, the tube core structure is clamped in the tube section body.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses with ultrasonic signal through first reflection portion, third reflection portion, the syllogic reflection of second reflection portion, reduced the inclination between first reflection portion and third reflection portion and the tube core body, improved the flow field, reduced the loss of pressure, improve measurement accuracy.

2. The utility model discloses with first reflection part and second reflection part integrated into one piece in the pipe core originally internal, convenient processing.

3. The pipe section body and the pipe core body are formed by injection molding, and the cost is greatly reduced compared with that of a traditional copper structure.

Drawings

Fig. 1 is a schematic structural diagram of a pipe section of an ultrasonic water meter in the prior art.

Fig. 2 is a schematic structural diagram of the ultrasonic water meter pipe section of the present invention.

In the figure, a tube core body 1, an incidence port 1-1, an exit port 1-2, a first reflection part 1-3, a second reflection part 1-4, a third reflection part 1-5, a tube section body 2, a first mounting hole 2-1, a second mounting hole 2-2 and a transducer mounting piece 3.

Detailed Description

In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 2, an ultrasonic water meter tube core structure includes a tube core body 1, wherein the tube core body 1 is provided with:

an entrance port 1-1;

an exit port 1-2;

a first reflection section 1-3 provided corresponding to the entrance port 1-1;

a second reflection part 1-4 provided corresponding to the exit port 1-2;

a third reflection section 1-5;

an ultrasonic signal enters from the entrance port 1-1, is reflected by the first reflection part 1-3, the third reflection part 1-5 and the second reflection part 1-4 in sequence and then is emitted from the exit port 1-2. The utility model discloses with ultrasonic signal through first reflection part 1-3, third reflection part 1-5, the 1-4 syllogic reflection of second reflection part, reduced the inclination between first reflection part 1-3 and third reflection part 1-5 and the tube core body 1, improved the flow field, reduced the loss of pressure, improve measurement accuracy.

The first reflection part 1-3, the second reflection part 1-4 and the third reflection part 1-5 are injection-molded encapsulated reflection sheets. The tube core body 1 is made of plastic.

The first reflecting part 1-3 and the second reflecting part 1-4 are arranged at two sides of the third reflecting part 1-5, and the third reflecting part 1-5 is positioned on the inner wall of the tube core body 1 at the opposite side of the first reflecting part 1-3 and the second reflecting part 1-4.

Preferably, the first reflection unit 1-3 and the second reflection unit 1-4 are symmetrically disposed on both sides of the third reflection unit 1-5, an ultrasonic signal enters from the entrance port 1-1, is reflected in three stages by the first reflection unit 1-3, the third reflection unit 1-5 and the second reflection unit 1-4, and is emitted from the exit port 1-2, and the travel path of the ultrasonic signal forms an approximate W-shaped structure.

The first reflection part 1-3 and the second reflection part 1-4 are respectively arranged right below the incident port 1-1 and the emergent port 1-2, so that ultrasonic signals can conveniently enter from the incident port 1-1.

The inclination angle alpha between the first reflection part 1-3 and the second reflection part 1-4 and the die body 1 is greater than 0 degree and less than 45 degrees. The utility model discloses according to the distance between first reflection part 1-3 and the second reflection part 1-4 with adjust the inclination alpha of first reflection part 1-3 and second reflection part 1-4 and tube core body 1, the distance is big then inclination alpha is less.

The first reflecting part 1-3 and the second reflecting part 1-4 are inclined plates which are detachably arranged in the tube core body 1, so that the tube core is convenient to replace.

Preferably, the tube core body 1 is of an up-and-down clamping type structure, so that the first reflection part 1-3 and the second reflection part 1-4 can be conveniently installed.

An ultrasonic water meter shell comprises a pipe section body 2 and a pipe core structure arranged in the pipe section body 2, wherein the pipe section body 2 comprises:

a first mounting hole 2-1 provided corresponding to the entrance port 1-1;

a second mounting hole 2-2 arranged corresponding to the exit port 1-2,

the ultrasonic transducers are arranged on the first mounting hole 2-1 and the second mounting hole 2-2, ultrasonic signals are transmitted by the ultrasonic transducers on the first mounting hole 2-1, are emitted from the emitting port 1-2 through three-section type reflection and are received by the ultrasonic transducers of the second mounting hole 2-2, and water flow is calculated.

Preferably, the first mounting hole 2-1 and the second mounting hole 2-2 are provided with a transducer mounting member 3, and the ultrasonic transducer is mounted on the transducer mounting member 3, so that the mounting and positioning of the ultrasonic transducer are facilitated.

Preferably, the ends of the transducer mounting members 3 are embedded in the entrance port 1-1 and the exit port 1-2, so that the die body 1 can be positioned to prevent the die body 1 from rotating.

The pipe core structure is clamped in the pipe section body 2, and a clamping block is arranged at one end of the pipe core body 1 and is clamped with the pipe section body 2, so that the pipe core structure is convenient to install and disassemble.

Preferably, the first reflection unit 1-3 and the second reflection unit 1-4 are symmetrically arranged on both sides of the third reflection unit 1-5, the ultrasonic signal enters from the entrance port 1-1, is reflected in three stages by the first reflection unit 1-3, the third reflection unit 1-5 and the second reflection unit 1-4, and is emitted from the exit port 1-2, and the running route of the ultrasonic signal forms an approximate W-shaped structure.

The inclination angle alpha between the first reflection part 1-3 and the second reflection part 1-4 and the tube core body 1 is larger than 0 degree and smaller than 45 degrees. The utility model discloses according to the distance between first reflection part 1-3 and the second reflection part 1-4 with adjust the inclination alpha of first reflection part 1-3 and second reflection part 1-4 and tube core body 1, the distance is big then inclination alpha is less.

The first reflection part 1-3 and the second reflection part 1-4 are inclined plates which are detachably arranged in the tube core body 1, and replacement is convenient.

The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is subject to the scope defined by the claims.

Claims

1. The utility model provides an ultrasonic water meter tube core structure, its characterized in that includes tube core body (1), be equipped with on tube core body (1):

an entrance port (1-1);

an exit port (1-2);

a first reflection unit (1-3) provided corresponding to the entrance port (1-1);

a second reflection section (1-4) provided in correspondence with the exit port (1-2);

a third reflection unit (1-5);

an ultrasonic signal enters from the entrance port (1-1), is reflected by the first reflection part (1-3), the third reflection part (1-5) and the second reflection part (1-4) in sequence and then is emitted from the exit port (1-2).

2. An ultrasonic water meter pipe core structure according to claim 1, wherein the first reflecting portion (1-3) and the second reflecting portion (1-4) are disposed on both sides of the third reflecting portion (1-5).

3. An ultrasonic water meter core structure according to claim 1, wherein the first reflecting part (1-3) and the second reflecting part (1-4) are symmetrically arranged at two sides of the third reflecting part (1-5).

4. An ultrasonic water meter pipe core structure according to claim 1, wherein the first reflecting portion (1-3) and the second reflecting portion (1-4) are respectively disposed right below the entrance port (1-1) and the exit port (1-2).

5. The tube core structure of the ultrasonic water meter according to claim 1, wherein the inclination angles of the first reflecting part (1-3) and the second reflecting part (1-4) with the tube core body (1) are greater than 0 degree and less than 45 degrees.

6. The pipe core structure of the ultrasonic water meter according to claim 1, wherein the first reflecting part (1-3) and the second reflecting part (1-4) are sloping plates detachably arranged in the pipe core body (1).

7. An ultrasonic water meter housing comprising a pipe section body (2) and an ultrasonic water meter pipe core structure according to any one of claims 1 to 6 disposed within the pipe section body (2), the pipe section body (2) comprising:

a first mounting hole (2-1) provided corresponding to the entrance port (1-1);

and a second mounting hole (2-2) arranged corresponding to the exit port (1-2).

8. An ultrasonic water meter housing according to claim 7, characterized in that the first mounting hole (2-1) and the second mounting hole (2-2) are provided with transducer mounts (3).

9. An ultrasonic water meter housing according to claim 8, characterized in that the ends of the transducer mounting (3) are embedded in the entrance port (1-1) and the exit port (1-2).

10. An ultrasonic water meter case according to claim 7, wherein the tube core structure is clamped in the tube section body (2).