Ultrasonic metering module integrating temperature and pressure detection

Abstract

The utility model relates to an ultrasonic metering module for integrated detection of temperature and pressure. The ultrasonic metering module comprises a metering module, a channel cover, a patch cord, a metering plate, a temperature pressing cover, a sealing gasket, a sensor sealing sleeve and a binding post assembly, the channel cover is detachably assembled on the metering module, the warm pressing cover is detachably assembled on the channel cover, and a sealing gasket is assembled at the joint of the warm pressing cover and the channel cover; a metering plate is arranged between the warm pressing cover and the channel cover, the metering plate is detachably assembled on the inner side of the warm pressing cover, a sensor sealing sleeve is arranged between the metering plate and the warm pressing cover, a patch cord is inserted into the metering module, and the binding post assembly is inserted into the warm pressing cover; according to the design, production and assembly are more convenient, the production damage rate is reduced, the process procedure flexibility is improved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ultrasonic base meter structures, and in particular relates to an ultrasonic metering module for collectively detecting temperature and pressure. Background Art

[0002] Currently, most of the ultrasonic gas meters on the market do not have the function of detecting temperature and pressure. If this function is required, a temperature and pressure sensor module needs to be added inside the ultrasonic gas meter. Adding this module brings a series of problems, such as: increased material costs, increased pressure loss in the meter, and other problems.

[0003] In view of the above problems, it is necessary to improve them. Utility Model Content

[0004] The purpose of the utility model is to provide an ultrasonic metering module for detecting temperature and pressure, which has a simple structure, ingenious design, optimized structure, improved process design, improved measurement accuracy, and saved comprehensive use cost.

[0005] An ultrasonic metering module for integrated temperature and pressure detection comprises a metering module, a channel cover, an adapter line, a metering plate, a temperature and pressure cover, a sealing gasket, a sensor sealing sleeve and a terminal assembly; the channel cover is detachably mounted on the metering module, the temperature and pressure cover is detachably mounted on the channel cover, and a sealing gasket is mounted at the connection between the temperature and pressure cover and the channel cover; a metering plate is arranged between the temperature and pressure cover and the channel cover, the metering plate is detachably mounted on the inner side of the temperature and pressure cover, a sensor sealing sleeve is arranged between the metering plate and the temperature and pressure cover, an adapter line is plugged into the metering module, and the terminal assembly is plugged into the temperature and pressure cover.

[0006] As a preferred solution of the utility model, the temperature pressure cover is installed above the channel cover from top to bottom, a plurality of second buckle positions are formed on the temperature pressure cover, and a second buckle corresponding to the plurality of second buckle positions is formed on the channel cover.

[0007] As a preferred solution of the utility model, a first buckle position is formed on the channel cover, and correspondingly, a first buckle is formed on the metering module. When the channel cover and the metering module are connected, the first buckle position and the first buckle are adapted to be engaged.

[0008] As a preferred solution of the utility model, foam is pasted on the inner side of the channel cover, and when the channel cover is connected to the metering module, the foam is closely attached to the circuit board of the metering module.

[0009] As a preferred solution of the utility model, third buckles for clamping the metering plate are formed on both sides of the warm pressure cover.

[0010] As a preferred solution of the utility model, a through hole is formed on the metering plate, and correspondingly, a limiting column is formed on the temperature pressing cover. When the metering plate is clamped on the temperature pressing cover, the limiting column is embedded in the through hole.

[0011] As a preferred solution of the utility model, a temperature and pressure sensor for detecting temperature and pressure data is arranged on the metering plate. Correspondingly, a circular groove corresponding to the temperature and pressure sensor is formed on the temperature and pressure cover, and the sensor sealing sleeve is located between the circular groove and the temperature and pressure sensor.

[0012] As a preferred solution of the utility model, a circle of annular protrusions is provided on the outer side of the sensor sealing sleeve, and the annular protrusions and the circular grooves are squeezed and sealed with each other.

[0013] As a preferred solution of the utility model, a plurality of circular through holes arranged in a ring structure are provided on the top of the circular groove.

[0014] As a preferred solution of the utility model, a circular ring boss is provided on the top of the temperature pressure cover, and the terminal assembly is inserted into the circular ring boss from top to bottom.

[0015] As a preferred solution of the utility model, the terminal assembly is provided with two buckles, which are matched and fixed with the slots of the warm pressure cover.

[0016] As a preferred solution of the utility model, two O-rings are provided on the terminal assembly, and the O-rings are squeezed and sealed with the annular boss.

[0017] As a preferred solution of the utility model, the terminal assembly is provided with a first connector and a second connector, wherein the first connector is connected to the sixth connector on the metering board, and the second connector is used to connect to external equipment of the gas meter.

[0018] As a preferred solution of the utility model, a third connector and a fourth connector are provided on the adapter cable; wherein the third connector is connected to the fifth connector on the metering board, and the fourth connector is connected to the seventh connector of the metering module.

[0019] As a preferred solution of the utility model, a groove is formed on the inner side of the warm pressure cover, and the sealing gasket is placed in the groove.

[0020] As a preferred solution of the utility model, vertical ribs are provided above the channel cover, and after the channel cover and the warm pressing cover are clamped together, the vertical ribs abut against the sealing gasket to form an extrusion seal.

[0021] The beneficial effects of the utility model are:

[0022] The utility model has a simple structure and is equipped with an ultrasonic metering module for detecting temperature and pressure. While ensuring reliability and firmness, it does not use a single screw for fixing, thereby reducing material and labor costs. It can be quickly disassembled and assembled during subsequent repairs and ensures the firmness and stability of the module assembly. This design makes production and assembly more convenient, reduces production loss rate, improves process flexibility, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the ultrasonic metering module of the utility model;

[0024] Figure 2 This is a cross-sectional view of the connection between the metering module and the channel cover of the utility model;

[0025] Figure 3 For this utility model Figure 2 A partial enlarged view of the A direction;

[0026] Figure 4 This is a schematic diagram of the structure of the warm pressure cover of the utility model;

[0027] Figure 5 It is a structural schematic diagram of the metering plate of the utility model;

[0028] Figure 6 It is a cross-sectional view of the ultrasonic metering module of the utility model;

[0029] Figure 7 For this utility model Figure 6 A local enlarged view of the B direction;

[0030] Figure 8 This is a schematic diagram of the adapter cable of the embodiment of the utility model;

[0031] Explanation of the accompanying drawings: metering module 1, channel cover 2, adapter line 3, metering plate 4, temperature and pressure cover 5, sealing gasket 6, sensor sealing sleeve 7, terminal assembly 8, first buckle 1-A, circuit board 1-B, seventh connector 1-C, first buckle position 2-A, foam 2-B, vertical rib 2-C, second buckle 2-D, third connector 3-A, fourth connector 3-B, temperature and pressure sensor 4-A, fifth connector 4-B, sixth connector 4-C, through hole 4-D, circular groove 5-A, limiting column 5-B, third buckle 5-C, circular through hole 5-D, circular boss 5-E, slot 5-F, groove 5-G, second buckle position 5-H, circular protrusion 7-A, O-ring 8-A, fourth buckle 8-B, first connector 8-C, second connector 8-D. DETAILED DESCRIPTION

[0032] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Example:

[0035] like Figure 1 and Figure 6 As shown, Figure 1 This is a schematic diagram of the structure of the ultrasonic metering module of the utility model; Figure 6 It is a cross-sectional view of the ultrasonic metering module of the utility model.

[0036] An ultrasonic metering module for collectively detecting temperature and pressure comprises a metering module 1, a channel cover 2, a transfer line 3, a metering plate 4, a temperature and pressure cover 5, a sealing gasket 6, a sensor sealing sleeve 7 and a terminal assembly 8; the channel cover 2 is detachably mounted on the metering module 1, the temperature and pressure cover 5 is detachably mounted on the channel cover 2, and a sealing gasket 6 is mounted at the connection between the temperature and pressure cover 5 and the channel cover 2; a metering plate 4 is arranged between the temperature and pressure cover 5 and the channel cover 2, the metering plate 4 is detachably mounted on the inner side of the temperature and pressure cover 5, a sensor sealing sleeve 7 is arranged between the metering plate 4 and the temperature and pressure cover 5, a transfer line 3 is plugged into the metering module 1, and a terminal assembly 8 is plugged into the temperature and pressure cover 5; the utility model has a simple structure, and an ultrasonic metering module for collectively detecting temperature and pressure is set, and under the condition of ensuring reliability and firmness, a screw is not used for fixing, so that the material and labor costs are reduced, and the module assembly can be quickly disassembled and assembled during subsequent repairs, and the firmness and stability of the module assembly are ensured. The design makes production and assembly more convenient, reduces the production loss rate, improves the flexibility of the process, and improves production efficiency.

[0037] like Figure 2 and Figure 3 As shown, Figure 2 This is a cross-sectional view of the connection between the metering module and the channel cover of the utility model; Figure 3 For this utility model Figure 2 A-axis partial enlarged view.

[0038] A first buckle position 2-A is formed on the channel cover 2, and correspondingly, a first buckle 1-A is formed on the metering module 1. When the channel cover 2 and the metering module 1 are connected, the first buckle position 2-A and the first buckle 1-A are adapted and snap-connected; the channel cover 2 is pressed from top to bottom on top of the metering module 1, and the first buckle position 2-A of the channel cover 2 and the first buckle 1-A of the metering module 1 are matched and fixed in pairs.

[0039] The inner side of the channel cover 2 is pasted with foam 2 -B. After the channel cover 2 and the metering module 1 are connected and fixed, the foam 2 -B is tightly attached to the circuit board 1 -B of the metering module 1 .

[0040] Specifically, the material of the channel cover 2 is PBT, which has the effects of high temperature resistance, flame retardancy and corrosion resistance.

[0041] Among them, the material of foam 2-B is EPDM, which has heat resistance, weather resistance and other aging resistance properties.

[0042] After the metering module 1 and the channel cover 2 are fixed, glue needs to be poured into the inside. After the glue is cured, it can prevent the gas from contacting the circuit board 1-B and prevent the circuit board 1-B from being corroded.

[0043] like Figure 5 and Figure 6 As shown, Figure 5 It is a structural schematic diagram of the metering plate of the utility model; Figure 6 It is a cross-sectional view of the ultrasonic metering module of the utility model.

[0044] A temperature and pressure sensor 4-A for detecting temperature and pressure data is arranged on the metering plate 4. Correspondingly, a circular groove 5-A corresponding to the temperature and pressure sensor 4-A is formed on the temperature and pressure cover 5. The sensor sealing sleeve 7 is located between the circular groove 5-A and the temperature and pressure sensor 4-A. The sensor sealing sleeve 7 is inserted into the top of the temperature and pressure sensor 4-A.

[0045] like Figure 4 and Figure 5 As shown, Figure 4 This is a schematic diagram of the structure of the warm pressure cover of the utility model; Figure 5 It is a structural schematic diagram of the metering plate of the utility model.

[0046] A through hole 4-D is formed on the metering plate 4, and correspondingly, a limiting column 5-B is formed on the temperature pressing cover 5. When the metering plate 4 is clamped on the temperature pressing cover 5, the limiting column 5-B is embedded in the through hole 4-D; when the metering plate 4 is installed in the temperature pressing cover 5, the through hole 4-D of the metering plate 4 cooperates with the limiting column 5-B of the temperature pressing cover 5 to achieve a pre-fixing effect.

[0047] Third buckles 5 -C for clamping the metering plate 4 are formed on both sides of the warm pressure cover 5 . The third buckles 5 -C of the warm pressure cover 5 are buckled into the plate edge of the metering plate 4 , thereby fixing the metering plate 4 .

[0048] like Figure 7 As shown, Figure 7 For this utility model Figure 6 A partial enlarged view of the B direction.

[0049] A circle of annular protrusions 7-A is provided on the outer side of the sensor sealing sleeve 7, and the annular protrusions 7-A are pressed against the circular groove 5-A to achieve sealing in a radial sealing manner.

[0050] A plurality of circular through holes 5-D arranged in a ring structure are provided at the top of the circular groove 5-A. The circular through holes 5-D are used to detect temperature and pressure. The circular groove 5-A is a temperature and pressure detection port, which is installed at the optimal wind path inside the gas meter to achieve the best effect of detecting temperature and pressure.

[0051] A circular boss 5-E is provided on the top of the temperature pressure cover 5, and the terminal assembly 8 is inserted into the circular boss 5-E from top to bottom. Two fourth buckles 8-B are provided on the terminal assembly 8, and the fourth buckles 8-B are fixed in cooperation with the slot 5-F of the temperature pressure cover 5.

[0052] Two O-rings 8-A are provided on the terminal assembly 8, and the O-rings 8-A are squeezed with the annular boss 5-E to achieve sealing by radial sealing.

[0053] like Figure 1 , 5 As shown in Figures 6 and 7, the terminal assembly 8 is provided with a first connector 8-C and a second connector 8-D, wherein the first connector 8-C is connected to the sixth connector 4-C on the metering board 4, and the second connector 8-D is used to connect to external equipment of the gas meter.

[0054] like Figure 8 As shown, the adapter cable 3 is provided with a third connector 3-A and a fourth connector 3-B; wherein the third connector 3-A is connected to the fifth connector 4-B on the metering board 4, and the fourth connector 3-B is connected to the seventh connector 1-C of the metering module 1.

[0055] like Figure 2 and Figure 4 As shown, a groove 5-G is formed on the inner side of the temperature pressing cover 5, and the sealing gasket 6 is placed in the groove 5-G. The temperature pressing cover 5 is installed from top to bottom above the channel cover 2. A plurality of second buckle positions 5-H are formed on the temperature pressing cover 5, and a second buckle 2-D corresponding to the plurality of second buckle positions 5-H is formed on the channel cover 2.

[0056] A vertical rib 2-C is provided above the channel cover 2. After the channel cover 2 and the warm pressing cover 5 are clamped together, the vertical rib 2-C abuts against the sealing gasket 6 to form an extrusion seal.

[0057] Specifically, the material of the warm pressure cover 5 is POM material, which has a corrosion-resistant effect.

[0058] The sealing gasket 6 and the sensor sealing sleeve 7 are made of NBR material and have a corrosion-resistant effect.

[0059] Thus, a complete ultrasonic metering module for detecting temperature and pressure is formed, which has the advantages of high integration, high precision, small size, simple assembly and repair, etc.

[0060] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0061] Although this article uses more of the following figures: metering module 1, channel cover 2, adapter line 3, metering plate 4, temperature and pressure cover 5, sealing gasket 6, sensor sealing sleeve 7, terminal assembly 8, first buckle 1-A, circuit board 1-B, seventh connector 1-C, first buckle position 2-A, foam 2-B, vertical rib 2-C, second buckle 2-D, third connector 3-A, fourth connector 3-B, temperature and pressure sensor 4-A, fifth connector 4-B, sixth connector 4-C, through hole 4-D, circular groove 5-A, limiting column 5-B, third buckle 5-C, circular through hole 5-D, annular boss 5-E, slot 5-F, groove 5-G, second buckle position 5-H, annular protrusion 7-A, O-ring 8-A, fourth buckle 8-B, first connector 8-C, second connector 8-D and other terms, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; any additional limitations interpreted as these terms are contrary to the spirit of the present invention.

Claims

1. An ultrasonic metering module for collectively detecting temperature and pressure, characterized in that: The invention comprises a metering module (1), a channel cover (2), an adapter wire (3), a metering plate (4), a temperature and pressure cover (5), a sealing gasket (6), a sensor sealing sleeve (7) and a terminal assembly (8); the channel cover (2) is detachably mounted on the metering module (1), the temperature and pressure cover (5) is detachably mounted on the channel cover (2), and a sealing gasket (6) is mounted at the connection between the temperature and pressure cover (5) and the channel cover (2); a metering plate (4) is arranged between the temperature and pressure cover (5) and the channel cover (2), the metering plate (4) is detachably mounted on the inner side of the temperature and pressure cover (5), a sensor sealing sleeve (7) is arranged between the metering plate (4) and the temperature and pressure cover (5), an adapter wire (3) is plugged into the metering module (1), and the terminal assembly (8) is plugged into the temperature and pressure cover (5).

2. The ultrasonic metering module for integrated temperature and pressure detection according to claim 1 is characterized in that: The channel cover (2) is formed with a first buckle position (2-A), and correspondingly, the metering module (1) is formed with a first buckle (1-A); when the channel cover (2) and the metering module (1) are connected, the first buckle position (2-A) and the first buckle (1-A) are adapted to be buckled.

3. The ultrasonic metering module for integrated temperature and pressure detection according to claim 1 or 2, characterized in that: The inner side of the channel cover (2) is adhered with foam (2-B); when the channel cover (2) and the metering module (1) are connected, the foam (2-B) is closely attached to the circuit board (1-B) of the metering module (1).

4. The ultrasonic metering module for integrated temperature and pressure detection according to claim 1 is characterized in that: The two sides of the temperature-pressing cover (5) are formed with third buckles (5-C) for clamping the metering plate (4); a through hole (4-D) is formed on the metering plate (4); correspondingly, a limiting column (5-B) is formed on the temperature-pressing cover (5); when the metering plate (4) is clamped on the temperature-pressing cover (5), the limiting column (5-B) is embedded in the through hole (4-D).

5. The ultrasonic metering module for integrated temperature and pressure detection according to claim 4 is characterized in that: The metering plate (4) is provided with a temperature and pressure sensor (4-A) for detecting temperature and pressure data. Correspondingly, a circular groove (5-A) corresponding to the temperature and pressure sensor (4-A) is formed on the temperature and pressure cover (5). The sensor sealing sleeve (7) is located between the circular groove (5-A) and the temperature and pressure sensor (4-A).

6. The ultrasonic metering module for integrated temperature and pressure detection according to claim 1, characterized in that: The temperature pressing cover (5) is installed from top to bottom above the channel cover (2); a plurality of second buckle positions (5-H) are formed on the temperature pressing cover (5); and a second buckle (2-D) corresponding to the plurality of second buckle positions (5-H) is formed on the channel cover (2); a groove (5-G) is formed on the inner side of the temperature pressing cover (5), and the sealing gasket (6) is placed in the groove (5-G); vertical ribs (2-C) are provided above the channel cover (2); after the channel cover (2) and the temperature pressing cover (5) are snap-fitted, the vertical ribs (2-C) abut against the sealing gasket (6) to form an extrusion seal.

7. The ultrasonic metering module for integrated temperature and pressure detection according to claim 5, characterized in that: The outer side of the sensor sealing sleeve (7) is provided with a circular protrusion (7-A), and the circular protrusion (7-A) and the circular groove (5-A) are mutually squeezed and sealed; the top of the circular groove (5-A) is provided with a plurality of circular through holes (5-D) arranged in a ring structure; the top of the temperature pressure cover (5) is provided with a circular boss (5-E), and the terminal assembly (8) is inserted into the circular boss (5-E) from top to bottom.

8. The ultrasonic metering module for integrated temperature and pressure detection according to claim 7 is characterized in that: The terminal assembly (8) is provided with two fourth buckles (8-B), which cooperate and fix with the clamping groove (5-F) of the temperature pressure cover (5); the terminal assembly (8) is provided with two O-rings (8-A), which are squeezed and sealed with the annular boss (5-E).

9. The ultrasonic metering module for integrated temperature and pressure detection according to claim 8, characterized in that: The terminal assembly (8) is provided with a first connector (8-C) and a second connector (8-D), wherein the first connector (8-C) is connected to a sixth connector (4-C) on the metering board (4), and the second connector (8-D) is used to connect to external equipment of the gas meter.

10. The ultrasonic metering module for integrated temperature and pressure detection according to claim 1, characterized in that: The adapter cable (3) is provided with a third connector (3-A) and a fourth connector (3-B); wherein the third connector (3-A) is connected to a fifth connector (4-B) on the metering board (4), and the fourth connector (3-B) is connected to a seventh connector (1-C) of the metering module (1).

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