CN218724440U

CN218724440U - N-shaped plastic shell ultrasonic water meter shell

Info

Publication number: CN218724440U
Application number: CN202221719542.0U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Suzhou Chengyi Internet Of Things Technology Co ltd
Current assignee: Suzhou Chengyi Internet Of Things Technology Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2023-03-24
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a N type plastic shell ultrasonic wave water meter shell, including plastic housing, be equipped with both ends opening in the plastic housing, and measure the inner chamber runner that the internal cross-section is the rectangle in the region, the inner chamber runner is equipped with two and inner chamber runner intercommunication from top to bottom in the both sides of its vertical central line, and forms the probe region of V-arrangement, and two probe regions install respectively can follow its axis direction transmission or received signal's ultrasonic transducer, and two ultrasonic transducer are the relative setting of slope. The utility model discloses an above-mentioned isotructure's cooperation has realized adopting the plastics pipeline section, integrated into one piece, and the uniformity is high, and the ultrasonic transducer slant arranges that sound path direction is the N type, through twice reflection, all utilizes the interior runner pipe wall reflection at rectangle interface, and the cancellation is to the reliance of reflector plate, simple process, and the reliability is high.

Description

N-shaped plastic shell ultrasonic water meter shell

Technical Field

The utility model relates to a water gauge technical field specifically is a shell ultrasonic wave water meter case is moulded to N type.

Background

The ultrasonic water meter comprises a flow channel assembly and an electronic assembly, wherein the flow channel assembly in the prior art has two types of correlation type and reflection type, and the reflection type comprises various structural forms including W type, V type, U type and the like.

For three reflective structural forms, no exception exists, the existing flow channel structure is that a stainless steel reflector plate is added at a reflection position, and for an ultrasonic water meter flow channel with a copper structure, the difficulty of arranging the reflector plate is high, and the requirement on the installation precision is high.

In addition, most of the current ultrasonic water meter runners are made of brass, so that the manufacturing cost is high, and the processing difficulty is high. Moreover, if the inner wall of the copper pipe section is used as the ultrasonic reflection surface, the surface is easily corroded, and the use of the ultrasonic water meter with a reflection type structure is severely limited.

In order to solve the problems, an N-shaped plastic shell ultrasonic water meter shell is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell ultrasonic wave water meter shell is moulded to N type possesses and adopts the plastics pipeline section, integrated into one piece, and the uniformity is high, and ultrasonic transducer slant arranges, and the sound path direction is the N type, through twice reflection, all utilizes the interior runner pipe wall reflection at rectangle interface, cancels the reliance to the reflector plate, simple process, and the reliability is high, has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an N-shaped plastic shell ultrasonic water meter shell comprises a plastic shell, wherein an inner cavity runner with two open ends and a rectangular cross section is arranged in a measurement area, and two probe areas which are communicated with the inner cavity runner and form a V shape are arranged above and below two sides of a vertical central line of the inner cavity runner;

ultrasonic transducers capable of transmitting or receiving signals along the axial direction of the ultrasonic transducers are respectively arranged in the two probe areas, and the two ultrasonic transducers are arranged in an inclined opposite mode.

Preferably, the plastic shell is of an integrally formed structure.

Preferably, the two ultrasonic transducers are arranged in an inclined manner up and down to form a non-correlation structure.

Preferably, the paths of the two ultrasonic transducers for transmitting or receiving the ultrasonic signals form an N-type path.

Preferably, a temperature probe is fixedly mounted on the plastic shell.

Preferably, the left side of plastic casing is intake end, the right side is for going out the water end, plastic casing's the end internal fixation that intakes is connected with and is used for reducing the interior rectifying plate of secondary flow and vortex of plastic casing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. through the non-correlation setting of slant through two ultrasonic transducer and the rectangle setting of plastic housing bottom for can utilize the pipe wall reflection, need not to install the reflector plate in addition, simple process does not have the reflector plate structure, can avoid the problem of the inner tube of installation embedding stainless steel reflector plate, reduces the technology degree of difficulty, reduces the part cost, improves the uniformity, improves the reliability.

2. The setting of the slant non-correlation structure of two ultrasonic transducer for the sound path direction is the N type, and twice reflection all utilizes the pipe wall, and through twice reflection, makes in same runner length, can effectively increase the flight time, improves the measurement accuracy of flight time, and then improves the measurement accuracy of flow.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the present invention in a bottom view state;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1. a plastic housing; 2. an inner cavity flow channel; 3. a probe region; 4. an ultrasonic transducer; 5. a temperature probe; 6. a commutator segment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an N-shaped plastic shell ultrasonic water meter shell comprises a plastic shell 1, wherein an inner cavity runner 2 with two open ends and a rectangular cross section is arranged in the plastic shell 1, and two probe areas 3 which are communicated with the inner cavity runner 2 and form a V shape are arranged above and below the two sides of a vertical central line of the inner cavity runner 2;

ultrasonic transducers 4 capable of transmitting or receiving signals along the axial direction of the two probe areas 3 are respectively arranged in the two probe areas 3, and the two ultrasonic transducers 4 are arranged in an inclined opposite mode.

The plastic shell 1 is arranged in an integrally formed structure, and is integrally formed without corrosion risks.

The two ultrasonic transducers 4 are arranged obliquely up and down to form a non-correlation structure.

Through the setting of the slant non-correlation of two ultrasonic transducer 4 and the rectangle of 1 bottom of plastic housing for can utilize the pipe wall reflection, need not to install the reflector plate in addition, simple process does not have the reflector plate structure, can avoid the problem of the inner tube of installation embedding stainless steel reflector plate, reduces the technology degree of difficulty, reduces the part cost, improves the uniformity, improves the reliability, also can set up the reflector plate in rectangle pipe wall reflection position, improves echo signal intensity.

The paths of the two ultrasonic transducers 4 transmitting or receiving the ultrasonic signals constitute an N-type path.

(see fig. 3) the lower ultrasonic transducer 4 transmits the ultrasonic signal from a, and reflects for the first time at the rectangular tube wall B, and then reflects for the second time at the rectangular tube wall C, and finally the ultrasonic transducer 4 at the upper D receives the ultrasonic signal.

The ultrasonic transducer 4 located above transmits an ultrasonic signal from the D part, the ultrasonic signal is reflected for the first time at the C part of the rectangular pipe wall, then the ultrasonic signal is reflected for the second time at the B part of the rectangular pipe wall, and finally the ultrasonic transducer 4 located above the A part receives the ultrasonic signal, the sound path direction is N type, the pipe wall is utilized for two times of reflection, and the two times of reflection are carried out for effectively increasing the flight time, improving the measurement precision of the flight time and further improving the measurement precision of the flow in the same length of the flow channel.

A temperature probe 5 is fixedly installed on the plastic shell 1, and the temperature probe 5 is used for detecting the temperature of water flow in the pipe.

The left side of plastic casing 1 is for intaking end, right side and is for going out the water end, and plastic casing 1's the interior fixedly connected with of end of intaking is used for reducing the cowling panel 6 of secondary flow and vortex in the plastic casing 1, and cowling panel 6 plays the rectification effect, and phenomenon such as secondary flow and vortex in the reducible measuring tube improves the measurement accuracy.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shell ultrasonic wave water gauge shell is moulded to N type which characterized in that: the probe comprises a plastic shell (1), wherein an inner cavity flow channel (2) with two open ends and a rectangular cross section is arranged in a measurement area in the plastic shell (1), and two probe areas (3) which are communicated with the inner cavity flow channel (2) and form a V shape are arranged above and below two sides of a vertical central line of the inner cavity flow channel (2);

ultrasonic transducers (4) capable of transmitting or receiving signals along the axial direction of the two probe areas (3) are respectively arranged in the two probe areas (3), and the two ultrasonic transducers (4) are obliquely and oppositely arranged; the plastic shell (1) is of an integrally formed structure; the two ultrasonic transducers (4) are obliquely arranged up and down to form a non-correlation structure; the paths of the two ultrasonic transducers (4) for transmitting or receiving ultrasonic signals form an N-type path;

the left side of plastic casing (1) is for intaking end, right side and is for going out the water end, the end internal fixation that intakes of plastic casing (1) is connected with fairing (6) that are used for reducing interior secondary flow of plastic casing (1) and vortex.

2. The ultrasonic water meter shell with the N-shaped plastic shell as claimed in claim 1, wherein: and a temperature probe (5) is fixedly arranged on the plastic shell (1).