CN218628461U

CN218628461U - Ultrasonic flow channel structure

Info

Publication number: CN218628461U
Application number: CN202222977875.XU
Authority: CN
Inventors: 张伟; 项勇; 汪志远
Original assignee: Zhejiang Viewshine Intelligent Meter Co Ltd
Current assignee: Zhejiang Viewshine Intelligent Meter Co Ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-14
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to an ultrasonic flow channel structure, which comprises a flow channel body with a flow channel air inlet and a flow channel air outlet, a rectifier, an energy converter and a circuit board, wherein the rectifier is arranged in the flow channel body; the top of the flow channel body is provided with an energy converter mounting groove, the energy converter is mounted in the energy converter mounting groove, and the circuit board is fixedly arranged at the top of the energy converter; the runner body is externally provided with a connecting structure, and the air outlet joint is connected with the runner body through the connecting structure. This runner structure is ingenious, through set up the connection structure of different shapes, kind outside the runner body, makes the runner body can the different joint of giving vent to anger of adaptation, and then enlarges the range of application of above-mentioned runner structure, is favorable to the popularization and the application of above-mentioned runner structure on gas table.

Description

Ultrasonic runner structure

Technical Field

The utility model relates to a gas table technical field specifically is an ultrasonic wave runner structure.

Background

The gas meter, also called as gas meter, can only see the roller with number in the small glass window on the outside, the roller also has seven digits, the first four digits of the small number are black, and the last three digits are red. The fuel for people to cook in daily life is converted from the conventional energy sources with serious waste and pollution, such as firewood, coal and the like, into natural gas, coal gas, even clean energy sources, such as electricity and the like. The gas meter plays a role, and the automatic accumulation function of the gas meter enables people using natural gas or pipeline gas to conveniently know how much gas is used, so that the gas meter can pay according to the cubic meter consumed every month.

The ultrasonic gas metering module utilizes the time difference of ultrasonic wave transmission in the medium to meter the gas quantity, and is widely applied to the market due to the advantages of small volume, simple structure, accurate metering, wide range ratio, low power consumption and the like. However, as shown in fig. 9, the gas outlet 1-1 'of the existing measurement flow channel has a single connection mode, and is usually integrally formed with the existing flow channel body 1', so that when different types of gas meters need to be matched, only the whole flow channel structure can be replaced, the application range of the flow channel structure is small, and the popularization and application of the measurement channel structure on the gas meters are affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect in the prior art, the utility model discloses an object is to provide an ultrasonic wave runner structure, this runner structure is ingenious, through will giving vent to anger can dismantle between joint and the runner body and be connected, through the mode of changing the joint of giving vent to anger then, makes above-mentioned ultrasonic wave runner structure use in different models or the gas table under the different application scenes, enlarges the range of application of above-mentioned runner structure, is favorable to the popularization and the application of above-mentioned runner structure on gas table.

In order to realize the purpose of the utility model, the utility model adopts the following technical proposal that the ultrasonic flow channel structure comprises a flow channel body with a flow channel air inlet and a flow channel air outlet, a rectifier, an energy converter and a circuit board, wherein the rectifier is arranged in the flow channel body; the top of the flow channel body is provided with an energy converter mounting groove, the energy converter is mounted in the energy converter mounting groove, and the circuit board is fixedly arranged at the top of the energy converter; the runner body is externally provided with a connecting structure, and the air outlet joint is connected with the runner body through the connecting structure.

As a preferred scheme of the utility model, the connecting structure is arranged near the air outlet of the flow channel and comprises a first connecting seat, and the first connecting seat is provided with a first connecting hole; the air outlet connector is provided with a second connecting seat, the second connecting seat is provided with a second connecting hole, and the first connecting hole and the second connecting hole are connected through a locking piece penetrating through the inside of the second connecting hole.

As a preferred scheme of the utility model, the connecting structure is arranged near the air outlet of the flow passage and comprises a connecting buckle; the air outlet connector is provided with a connecting clamping groove, and the connecting clamping buckle is clamped in the connecting clamping groove.

As an optimized scheme of the utility model, it is equipped with the seal groove to give vent to anger the joint, the cross-section of seal groove with the cross-section looks adaptation of runner gas outlet.

As a preferred scheme of the utility model, runner body bottom opening sets up and the bottom plate is installed to the opening part, commutator segment demountable installation in this is internal in the runner.

As an optimized scheme of the utility model, the bottom plate with adopt transition fit installation between the runner body.

As a preferred scheme of the utility model, the runner body has bottom draw-in groove and top recess, the fillet has bottom boss and top boss, the bottom boss inlays to be located in the bottom draw-in groove, the top boss inlays to be located in the top recess.

As an optimized scheme of the utility model, the fairing top still has middle boss, the runner body has middle recess, middle boss inlays to be located in the middle recess.

As a preferred scheme of the utility model, the transducer top is equipped with the transducer lid, transducer lid demountable installation in the runner body.

As a preferred scheme of the utility model, circuit board top lid is equipped with the encapsulating box.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an ultrasonic wave runner structure, the structure is ingenious, through will give vent to anger to connect and set detachable connected mode between the runner body for the runner body can be through the gas table of the different models of the mode adaptation that the change was given vent to anger and is connected, enlarges the range of application of above-mentioned ultrasonic wave runner structure, is favorable to the popularization and the application of above-mentioned runner structure on gas table.

Drawings

Fig. 1 is a schematic structural view of an ultrasonic flow channel structure in embodiment 1;

fig. 2 is a schematic structural disassembly view of an ultrasonic flow channel structure in embodiment 1;

fig. 3 is a schematic structural view of a flow channel body in an ultrasonic flow channel structure in embodiment 1;

fig. 4 is a schematic structural view of an air outlet joint in an ultrasonic flow channel structure in example 1;

FIG. 5 is a schematic view showing the structure of a transducer cover in an ultrasonic flow path structure according to example 1;

fig. 6 is a schematic bottom structure view of a flow channel body in an ultrasonic flow channel structure in embodiment 1;

FIG. 7 is a schematic view showing a structure of a rectifying plate in an ultrasonic flow path structure according to example 1;

FIG. 8 is a schematic view showing the structure of an outlet connection in an ultrasonic flow path structure according to example 2;

fig. 9 is a schematic structural view of an ultrasonic flow channel in the prior art.

Reference numerals are as follows: 1. a flow channel body; 1-1, a runner air inlet; 1-2, a flow passage air outlet; 1-3, mounting grooves for transducers; 1-4, a bottom clamping groove; 1-5, a top groove; 1-6, a middle groove; 1-7, a transducer cover buckle; 2. a commutator segment; 2-1, a bottom boss; 2-2, a top boss; 2-3, a middle boss; 3. a base plate; 4. a transducer; 5. a circuit board; 6. a glue pouring box; 7. an air outlet joint; 7-1, a second connecting seat; 7-2, connecting a second hole; 7-3, connecting a clamping groove; 7-4, sealing grooves; 8. a connecting structure; 8-1, a first connecting seat; 8-2, connecting a hole I; 8-3, connecting a buckle; 9. a transducer cover; 9-1, a transducer cover slot; 1', an existing flow channel body; 1-1 'and an existing metering flow channel air outlet 1-1'.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Example 1: as shown in fig. 1 to 7, an ultrasonic flow channel structure mainly comprises a flow channel body 1, a rectifier 2, a transducer 4 and a circuit board 5, wherein the flow channel body 1 has a flow channel inlet 1-1 and a flow channel outlet 1-2, and the rectifier 2 is installed in the flow channel body 1. After entering the runner, the fuel gas is rectified by the rectifying plate 2 to obtain a stable flow state. In order to facilitate the installation of the transducer 4, a transducer mounting groove 1-3 is formed at the top of the flow channel body 1, and the transducer 4 is mounted in the transducer mounting groove 1-3. The gas table transducer is the core components and parts in the ultrasonic wave gas table, can increase ultrasonic wave's transmission amplitude through the voltage or the drive current who improves the transducer, and then guarantees the measurement result of gas table. The circuit board 5 is fixed on top of the transducer 4 by means of gluing or the like. In order to connect the air outlet joints 7 with different types and shapes of the air outlets 1-2 of the flow channel, a connecting structure 8 is arranged outside the flow channel body 1, and the air outlet joints 7 are connected with the flow channel body 1 through the connecting structure 8.

In this embodiment, the connection structure 8 is disposed near the outlet 1-2 of the flow channel, and specifically, the connection structure 8 includes a first connection seat 8-1 disposed along the circumference of the flow channel body 1. In order to ensure the structural strength of the joint of the first connecting seat 8-1 and the runner body 1, the runner body 1 and the first connecting seat 8-1 can be integrally formed by injection molding. The first connecting seat 8-1 is provided with a first connecting hole 8-2, correspondingly, the air outlet connector 7 is provided with a second connecting seat 7-1 matched with the first connecting seat 8-1, the second connecting seat 7-1 is provided with a second connecting hole 7-2, the first connecting hole 8-2 and the second connecting hole 7-2 can be screw holes, and the connection of the flow channel body 1 to an external connector is realized by penetrating locking pieces such as locking screws or locking bolts into the first connecting hole 8-2 and the second connecting hole 7-2.

In order to ensure the sealing performance of the connection part of the air outlet joint 7 and the flow channel body 1, a sealing groove 7-4 is arranged on the air outlet joint 3 or the flow channel air outlet 1-2, and the air outlet joint 7 is in transition fit with the flow channel body 1 by installing an O-shaped sealing ring and the like in the sealing groove 7-4. The cross section of the seal groove 7-4 is matched with the cross section of the flow channel air outlet 1-2, that is, the size of the cross section of the seal groove 7-4 is consistent with that of the flow channel air outlet 1-2, and the shape of the cross section of the seal groove 7-4 is consistent with that of the cross section of the flow channel air outlet 1-2, and the cross section may be rectangular, circular or any other shape.

In order to facilitate the installation of the commutator segments 2, the bottom opening of the flow channel body 1 is provided and the opening is provided with the bottom plate 3, the bottom plate 3 is fixed at the bottom of the flow channel body 1 by welding and other fixing modes, and meanwhile, the sealing performance of the ultrasonic flow channel is ensured. The rectifying plate 2 is detachably mounted in the flow channel body 1. In order to further ensure the sealing performance of the contact position between the bottom plate 3 and the bottom of the runner body 1, the bottom plate 3 and the runner body 1 are installed in a transition fit mode, namely, a convex block is formed on the surface of the bottom plate 3, an installation groove is formed in the bottom of the runner body 1, the cross-sectional area of the installation groove is smaller than the area of the convex block, and during installation, the convex block is tapped into the installation groove so as to ensure the tightness of the contact between the bottom plate 3 and the runner body 1 and reduce the probability of air leakage.

In order to ensure the stability of the commutator segment 2 during installation and use, the fuel gas is rectified by the commutator segment 2 to obtain a stable flow state, in this embodiment, the flow channel body 1 has a bottom slot 1-4 and a top groove 1-5, the commutator segment 2 has a bottom boss 2-1 and a top boss 2-2, the bottom boss 2-1 is embedded in the bottom slot 1-4, and the top boss 2-2 is embedded in the top groove 1-5. Further, in order to ensure the stability of the commutator segment 2 and avoid the impact of the air flow on the middle position of the commutator segment 2, so as to ensure the stability of the middle position of the commutator segment 2 and provide the supporting force for the middle position of the commutator segment 2, the top of the commutator segment 2 is further provided with a middle boss 2-3, the runner body 1 is provided with a middle groove 1-6, and the middle boss 2-3 is embedded in the middle groove 1-6.

In order to ensure the service life of the transducer 4, a transducer cover 9 is arranged on the top of the transducer 4, and the transducer cover 9 is detachably mounted on the flow channel body 1 so as to repair and replace the transducer 4. Specifically, the transducer cover buckles 1-7 are arranged on the flow channel body 1, the transducer cover clamping grooves 9-1 are formed in the transducer cover 9, the transducer cover 9 is installed by clamping the transducer cover buckles 1-7 in the transducer cover clamping grooves 9-1, and the connecting mode is simple and easy to operate.

In order to protect the circuit board 5, a glue filling box 6 is covered on the top of the circuit board 5, and then the circuit board 5 is protected by filling glue into the glue filling box 6.

In the embodiment, an ultrasonic flow channel structure has the following assembly relationship: firstly, a rectifier plate 2 is arranged in a flow channel body 1, wherein a bottom boss 2-1 and a top boss 2-2 of the rectifier plate 2 are correspondingly inserted into a bottom clamping groove 1-4 and a top clamping groove 1-5 of the flow channel body 1, and a middle boss 2-3 of the rectifier plate 2 is clamped in a middle groove 1-6 on the flow channel body 1, so that the stability of the rectifier plate 2 in the using process is ensured, and the rectification purpose is further realized; secondly, the bottom plate 3 is installed at the bottom of the runner body 1 and is welded through a welding column, and the bottom plate 3 and the runner body 1 are in interference fit, so that the sealing performance of the contact part of the bottom plate 3 and the runner body 1 is ensured, and the probability of air leakage of the runner body 1 is further reduced; subsequently, the transducer 4 is installed on the flow channel body 1, and the transducer 4 is clamped by the transducer cover 9; after the transducer 4 is assembled, assembling a circuit board 5, and connecting the circuit board 5 with the runner body 1 through screws; then installing a glue filling box 6, wherein the glue filling box 6 is also connected with the runner body 1 through screws, and glue needs to be filled into the glue filling box 6 after the glue filling box 6 is assembled so as to protect the circuit board 5; finally, the air outlet joint 7 is arranged, and a sealing ring is required to be arranged at the contact position of the air outlet joint 7 and the tail part of the flow channel body 1 to ensure the air tightness of the connection position. The manner of assembly of the outlet fitting 7 is determined primarily by the user having the flow passage.

Example 2: as shown in fig. 8, the present embodiment is distinguished from embodiment 1 in that: in this embodiment, the connecting structure 8 is disposed near the air outlet 1-2 of the flow channel, and specifically, the connecting structure 8 includes a connecting buckle 8-3; the air outlet connector 7 is provided with a connecting clamping groove 7-3, the connecting buckle 8-3 is clamped in the connecting clamping groove 7-3 to realize the connection between the air outlet connector 7 and the flow channel body 1, and a sealing ring is arranged at the contact part of the air outlet connector 7 and the flow channel body 1 to ensure the sealing performance of the air outlet connector 7 and the flow channel body 1 and further reduce the air leakage effect.

Example 3: the connecting structure 8 in this embodiment can adopt a mode of combining screw locking and buckle clamping, that is, both the connecting seat and the connecting hole are arranged on the flow channel body 1, and the connecting buckle is also arranged, correspondingly, the connecting seat and the connecting hole are also arranged on the air outlet joint 7, and meanwhile, the connecting clamping groove is arranged, the connecting buckle is firstly buckled in the connecting clamping groove, and then the locking screw is inserted in the connecting hole, so as to realize the connection between the flow channel body 1 and the air outlet joint 7; on the contrary, a connecting clamping groove can be arranged on the flow channel body 1, and a connecting buckle is arranged on the air outlet connector 7, so that the connection between the flow channel body 1 and the air outlet connector 7 can be realized. In order to ensure the sealing performance of the joint, a sealing ring is required to be additionally arranged at the joint.

In the actual use process, a user of the flow channel can determine which structure of the flow channel body 1 and the air outlet joint 7 is adopted according to different use scenes, so as to expand the application range of the flow channel body 1.

The ultrasonic flow channel structure in the above embodiment can be applied to gas meters, but not limited to, and compared with a gas meter in the prior art, the application scenario of the gas meter can be further expanded.

The ultrasonic flow channel structure in the embodiment has an ingenious structure, and the flow channel body 1 is provided with the connecting structures 8 with different shapes and types, so that the flow channel body can be adapted to different gas outlet connectors 7, the application range of the flow channel structure is further expanded, and the popularization and application of the flow channel structure on a gas meter are facilitated.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: 1. a flow channel body; 1-1, a runner air inlet; 1-2, a flow passage air outlet; 1-3, mounting grooves for transducers; 1-4, a bottom clamping groove; 1-5, a top groove; 1-6, a middle groove; 1-7, a transducer cover buckle; 2. a commutator segment; 2-1, a bottom boss; 2-2, a top boss; 2-3, a middle boss; 3. a base plate; 4. a transducer; 5. a circuit board; 6. filling a glue box; 7. an air outlet joint; 7-1, a second connecting seat; 7-2, connecting hole II; 7-3, connecting a clamping groove; 7-4, sealing grooves; 8. a connecting structure; 8-1, a first connecting seat; 8-2, connecting the hole I; 8-3, connecting a buckle; 9. a transducer cover; 9-1, transducer cap slot, etc., without excluding the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. An ultrasonic wave runner structure which characterized in that: the flow passage comprises a flow passage body (1) with a flow passage air inlet (1-1) and a flow passage air outlet (1-2), a rectifier plate (2), an energy converter (4) and a circuit board (5), wherein the rectifier plate (2) is arranged in the flow passage body (1); the top of the flow channel body (1) is provided with an energy converter installation groove (1-3), the energy converter (4) is installed in the energy converter installation groove (1-3), and the circuit board (5) is fixedly arranged at the top of the energy converter (4); the flow channel is characterized in that a connecting structure (8) is arranged outside the flow channel body (1), and the air outlet joint (7) is connected with the flow channel body (1) through the connecting structure (8).

2. The ultrasonic flow channel structure according to claim 1, wherein: the connecting structure (8) is arranged close to the air outlet (1-2) of the flow channel and comprises a first connecting seat (8-1), and the first connecting seat (8-1) is provided with a first connecting hole (8-2); the air outlet connector (7) is provided with a second connecting seat (7-1), the second connecting seat (7-1) is provided with a second connecting hole (7-2), and the first connecting hole (8-2) and the second connecting hole (7-2) are connected through a locking piece in a penetrating mode.

3. An ultrasonic flow channel structure according to claim 1, wherein: the connecting structure (8) is arranged close to the air outlet (1-2) of the flow channel and comprises a connecting buckle (8-3); the air outlet connector (7) is provided with a connecting clamping groove (7-3), and the connecting buckle (8-3) is clamped in the connecting clamping groove (7-3).

4. An ultrasonic flow channel structure according to claim 2 or 3, wherein: the air outlet connector (7) is provided with a sealing groove (7-4), and the section of the sealing groove (7-4) is matched with the section of the flow channel air outlet (1-2).

5. An ultrasonic flow channel structure according to claim 1, wherein: runner body (1) bottom opening sets up and the opening part installs bottom plate (3), commutator segment (2) demountable installation in runner body (1).

6. An ultrasonic flow channel structure according to claim 5, wherein: the bottom plate (3) and the runner body (1) are installed in a transition fit mode.

7. An ultrasonic flow channel structure according to claim 6, wherein: the runner body (1) is provided with a bottom clamping groove (1-4) and a top groove (1-5), the commutator segment (2) is provided with a bottom boss (2-1) and a top boss (2-2), the bottom boss (2-1) is embedded in the bottom clamping groove (1-4), and the top boss (2-2) is embedded in the top groove (1-5).

8. An ultrasonic flow channel structure according to claim 7, wherein: the top of the fairing piece (2) is also provided with a middle boss (2-3), the flow channel body (1) is provided with a middle groove (1-6), and the middle boss (2-3) is embedded in the middle groove (1-6).

9. The ultrasonic flow channel structure according to claim 1, wherein: the top of the energy converter (4) is provided with an energy converter cover (9), and the energy converter cover (9) is detachably mounted on the flow channel body (1).

10. The ultrasonic flow channel structure according to claim 1, wherein: and a glue filling box (6) is arranged on the top cover of the circuit board (5).