Modularized electromagnetic flowmeter connecting device

Abstract

The utility model relates to the field of electromagnetic flow meters, and provides a modular electromagnetic flow meter connecting device which comprises a first unit module and a second unit module, and the first unit module is connected with a circuit board in an inserted mode; the second unit module is connected with the first unit module in an inserted mode, and a lead is fixed to the second unit module. The utility model has the effect of improving the convenience of operations such as connection, disconnection and exchange of the lead and the unit module.

Description

Technical Field

[0001] This application relates to the field of electromagnetic flow meters, and more particularly to a modular electromagnetic flow meter connection device. Background Technology

[0002] An electromagnetic flow meter is a new type of flow measurement instrument that works based on Faraday's law of electromagnetic induction. Also known as a flow meter, it is mainly used to measure the volumetric flow rate of conductive liquids and is widely used in industrial and environmental monitoring fields.

[0003] Referring to Figure 6 of the specification in patent document CN216645462U, the electromagnetic flowmeter includes a component assembly comprising a circuit board and a display panel, with unit modules mounted on the circuit board. The side of the unit module furthest from the circuit board is used to connect leads. In the prior art, a nut is provided on the unit module to fix the end of the lead to the unit module. This lead connection method makes connecting, disconnecting, and replacing the leads from the unit module very inconvenient, and also affects key technical aspects of the flowmeter, such as signal processing, data acquisition, and control logic. Utility Model Content

[0004] To improve the convenience of connecting, disconnecting, and replacing leads with unit modules, this application provides a modular electromagnetic flowmeter connection device.

[0005] The modular electromagnetic flowmeter connection device provided in this application adopts the following technical solution:

[0006] A modular electromagnetic flowmeter connection device includes a first unit module and a second unit module. The first unit module is plugged into a circuit board; the second unit module is plugged into the first unit module, and a lead wire is fixed to the second unit module.

[0007] By adopting the above technical solution, the leads can be directly fixed to the second unit module at the factory. When installation, removal, or replacement of the leads is required, only the second unit module of a different model needs to be replaced. There is no manipulation of the leads during the process, and they do not need to be pulled. Therefore, the impact on the flowmeter's signal processing, data acquisition, and control logic is minimal. Furthermore, since the second unit module is connected to the first unit module via a plug-in method, the operation is quite convenient.

[0008] Optionally, the second unit module is provided with multiple pin headers, and the first unit module is provided with multiple female headers, wherein the female headers are inserted and mated with the pin headers.

[0009] By adopting the above technical solution, the second unit module and the first unit module are connected by the cooperation of the pin header and the nut header. The structure is simple, easy to process, and has high connection stability.

[0010] Optionally, a stabilizing component is also included, which is connected to the first unit module, and the second unit module is detachably connected to the stabilizing component.

[0011] By adopting the above technical solution and adding stabilizing components, the connection stability between the first unit module and the second unit module is enhanced.

[0012] Optionally, the stabilizing component includes a first limiting frame connected to the first unit module, with multiple female connectors located within the limiting frame; the second unit module is connected to a second limiting frame, with multiple male connectors located within the second limiting frame; the inner wall of the first limiting frame is used for the outer wall of the second limiting frame to abut against.

[0013] By adopting the above technical solution, the first limiting frame and the second limiting frame are connected by insertion, thereby strengthening the connection strength and stability between the second unit module and the first unit module by the mutual contact and friction between the first limiting frame and the second limiting frame after the second unit module is connected to the first unit module.

[0014] Optionally, the surface of the first limiting frame away from the first unit module is arc-shaped, and the surface of the second limiting frame away from the second unit module is arc-shaped.

[0015] By adopting the above technical solution, on the one hand, the two arc-shaped surfaces are used to form a guide during the process of inserting the second limiting frame into the first limiting frame, which improves the smoothness of the connection between the first unit module and the second unit module; on the other hand, it also reduces the collision of the pin header.

[0016] Optionally, the first limiting frame has multiple heat dissipation cavities, which are arranged at intervals along the circumference of the first limiting frame.

[0017] By adopting the above technical solution, heat dissipation protection is provided for the pin header and socket.

[0018] Optionally, the stabilizing component further includes a stabilizing airbag, which is disposed on the inner wall of the first limiting frame and is arranged around the central axis of the first limiting frame; the stabilizing airbag has a vent and a sealing element, which is used to open and close the vent.

[0019] By adopting the above technical solution, before inserting the second limiting frame into the first limiting frame, the sealing member is opened, allowing gas in the stabilizing airbag to escape from the vent. After inserting the second limiting frame into the first limiting frame, gas is introduced into the stabilizing airbag through the vent, and then the sealing member is used to close the vent, causing the stabilizing airbag to press tightly against the second limiting frame, strengthening the connection strength and stability between the second and first limiting frames, thereby improving the connection strength and stability between the first and second unit modules.

[0020] Optionally, the first unit module is provided with a storage airbag, which is used for the surface of the second limiting frame away from the second unit module to abut against; the inner cavity of the storage airbag is connected to the inner cavity of the stabilizing airbag.

[0021] By adopting the above technical solution, when connecting the second unit module to the first unit module, the second limiting frame is first inserted into the first limiting frame. During the movement of the second limiting frame, it gradually abuts against and squeezes the storage airbag. After being compressed, the gas in the storage airbag gradually flows into the stabilizing airbag through the vent pipe, thereby increasing the gas in the stabilizing airbag and filling the gap between the second limiting frame and the first limiting frame to a certain extent, thus increasing the connection stability between the first limiting frame and the second limiting frame.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. By directly connecting the leads to the second unit module at the factory and making the second unit module plug-in connected to the first unit module, installation, removal, and lead replacement only require replacing the second unit module with a different model. There is no manipulation of the leads during the process, and no pulling is required. Therefore, the impact on the flowmeter's signal processing, data acquisition, and control logic is minimal. Furthermore, since the second unit module and the first unit module are connected via a single plug-in connection, the operation is quite convenient.

[0024] 2. By setting up stabilizing components, the connection strength and stability between the first unit module and the second unit module are enhanced;

[0025] 3. The stabilizing component includes a stabilizing airbag, which is disposed on the inner wall of the first limiting cavity. The first unit module is provided with a storage airbag, which is provided for the second limiting frame to abut against the surface of the first unit module. The inner cavity of the storage airbag is connected to the inner cavity of the stabilizing airbag. During the process of inserting the second limiting frame into the first limiting frame, the gas in the storage airbag is squeezed into the stabilizing airbag, thereby increasing the connection strength and connection stability between the first limiting frame and the second limiting frame. Attached Figure Description

[0026] Figure 1This is a schematic diagram of the overall structure of Embodiment 1 of this application.

[0027] Figure 2 This is a schematic diagram illustrating the structure of the pin header and nut header in Example 1.

[0028] Figure 3 This is a schematic diagram of the structure of Embodiment 2 of this application.

[0029] Figure 4 This is a schematic diagram illustrating the structure of the heat dissipation cavity in Embodiment 2.

[0030] Figure 5 This is a structural schematic diagram of Embodiment 3 of this application.

[0031] Explanation of reference numerals in the attached drawings: 1. First unit module; 11. Socket; 12. Second limiting frame; 13. Connector block; 14. Heat dissipation cavity; 2. Second unit module; 21. Pin header; 3. Stabilizing component; 31. First limiting frame; 32. Stabilizing airbag; 33. Sealing component; 34. Storage airbag; 4. Lead wire; 5. Circuit board. Detailed Implementation

[0032] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0033] This application discloses a modular electromagnetic flowmeter connection device.

[0034] Example 1

[0035] Reference Figure 1 and Figure 2 The modular electromagnetic flowmeter connection device includes a first unit module 1 and a second unit module 2. The first unit module 1 is connected to the circuit board 5 via pin headers 21 and female headers 11. The second unit module 2 is connected to the first unit module 1 via a plug-in connection, and the lead wire 4 is fixed to the second unit module 2. This design allows the lead wire 4 to be directly fixed to the second unit module 2 at the factory. When installation, removal, or replacement of the lead wire 4 is required, only a different model of the second unit module 2 needs to be replaced. There is no manipulation of the lead wire 4 during the process, and it does not require pulling on the lead wire 4. Therefore, it has minimal impact on the flowmeter's signal processing, data acquisition, and control logic. Furthermore, since the second unit module 2 and the first unit module 1 are connected via a plug-in method, the operation is quite convenient.

[0036] In this embodiment, the second unit module 2 is provided with multiple pin headers 21, and the first unit module 1 is provided with multiple female headers 11. The multiple pin headers 21 and the multiple female headers 11 are connected in a one-to-one correspondence. Thus, the second unit module 2 and the first unit module 1 are connected by the cooperation of the pin headers 21 and the female headers 11. The structure is simple, easy to process, and has high connection stability.

[0037] Example 2

[0038] Reference Figure 3 The difference between this embodiment and Embodiment 1 is that the modular electromagnetic flowmeter connection device further includes a stabilizing component 3. The stabilizing component 3 is connected to the first unit module 1, and the second unit module 2 is detachably connected to the stabilizing component 3. This is to enhance the connection stability between the first unit module 1 and the second unit module 2 by adding the stabilizing component 3.

[0039] The first unit module 1 is provided with a plug block 13, and multiple female connectors 11 are all located on the plug block 13.

[0040] In this embodiment, the stabilizing component 3 includes a first limiting frame 31, which is fixedly connected to the surface of the first unit module 1 facing the second unit module 2, and multiple row nuts 11 are located in the first limiting frame 31.

[0041] The connection methods between the first limiting frame 31 and the first unit module 1 include, but are not limited to, bonding, welding, and integral molding.

[0042] A second limiting frame 12 is fixed to the surface of the second unit module 2 facing the first unit module 1, and multiple pin headers 21 are located in the second limiting frame 12. The connection method between the second limiting frame 12 and the second unit module 2 includes, but is not limited to, bonding, welding, and integral molding.

[0043] The outer wall of the second limiting frame 12 is used to abut against the inner wall of the first limiting frame 31, that is, the first limiting frame 31 and the second limiting frame 12 are plugged into each other. Thus, after the second unit module 2 is connected to the first unit module 1, the mutual abutment and friction between the first limiting frame 31 and the second limiting frame 12 enhances the connection strength and connection stability between the second unit module 2 and the first unit module 1.

[0044] In other embodiments, the stabilizing component 3 may also be other structures that enable quick release.

[0045] Furthermore, the surface of the first limiting frame 31 away from the first unit module 1 is arc-shaped, and the surface of the second limiting frame 12 away from the second unit module 2 is also arc-shaped. This design serves two purposes: firstly, during the insertion of the second limiting frame 12 into the first limiting frame 31, the two arc-shaped surfaces act as guides, improving the smoothness of the connection between the first unit module 1 and the second unit module 2; secondly, it reduces the impact on the pin header 21.

[0046] Reference Figure 4Furthermore, both the first limiting frame 31 and the second limiting frame 12 are provided with multiple heat dissipation cavities 14. The multiple heat dissipation cavities 14 are arranged at intervals around the central axis of the first limiting frame 31 to provide heat dissipation protection for the pin header 21 and the nut header 11.

[0047] Example 3

[0048] Reference Figure 5 The difference between this embodiment and embodiment 2 is that the stabilizing component 3 further includes a stabilizing airbag 32, which is bonded and fixed to the inner wall of the first limiting frame 31 and is arranged around the central axis of the first limiting frame 31. The stabilizing airbag 32 has a vent. The stabilizing airbag 32 is threadedly connected to a sealing member 33, which is used to open and close the vent.

[0049] The first unit module 1 is bonded and fixed with a storage airbag 34, which is used for the second limiting frame 12 to abut against the surface away from the second unit module 2. The storage airbag 34 is fixedly connected to a connecting tube, the lumen of which communicates with the inner cavity of the storage airbag 34. The other end of the connecting tube is connected to a stabilizing airbag 32, the lumen of which communicates with the inner cavity of the stabilizing airbag 32.

[0050] The implementation principle of Example 3 is as follows: When the second unit module is connected to the first unit module 1, the second limiting frame 12 is first inserted into the first limiting frame 31. During the movement of the second limiting frame 12, it gradually abuts against and squeezes the storage airbag 34. After being compressed, the gas in the storage airbag 34 gradually flows into the stabilizing airbag 32 through the vent pipe, thereby increasing the gas in the stabilizing airbag 32 and filling the gap between the second limiting frame 12 and the first limiting frame 31 to a certain extent, thus increasing the connection stability between the first limiting frame 31 and the second limiting frame 12.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A modular electromagnetic flowmeter connection device, characterized in that: It includes a first unit module (1) and a second unit module (2). The first unit module (1) is plugged into the circuit board (5); the second unit module (2) is plugged into the first unit module (1), and the lead wire (4) is fixed to the second unit module (2).

2. The modular electromagnetic flowmeter connection device according to claim 1, characterized in that: The second unit module (2) is provided with multiple pin headers (21), and the first unit module (1) is provided with multiple female headers (11). The female headers (11) are plugged into the pin headers (21).

3. The modular electromagnetic flowmeter connection device according to claim 2, characterized in that: It also includes a stabilizing component (3), which is connected to the first unit module (1), and the second unit module (2) is detachably connected to the stabilizing component (3).

4. The modular electromagnetic flowmeter connection device according to claim 3, characterized in that: The stabilizing component (3) includes a first limiting frame (31), which is connected to the first unit module (1), and multiple of the pin headers (11) are located in the limiting frame; the second unit module (2) is connected to a second limiting frame (12), and multiple of the pin headers (21) are located inside the second limiting frame (12); the inner wall of the first limiting frame (31) is used for the outer wall of the second limiting frame (12) to abut against.

5. The modular electromagnetic flowmeter connection device according to claim 4, characterized in that: The surface of the first limiting frame (31) away from the first unit module (1) is arc-shaped, and the surface of the second limiting frame (12) away from the second unit module (2) is arc-shaped.

6. The modular electromagnetic flowmeter connection device according to claim 4, characterized in that: The first limiting frame (31) has multiple heat dissipation cavities (14), which are arranged at intervals along the circumference of the first limiting frame (31).

7. The modular electromagnetic flowmeter connection device according to claim 6, characterized in that: The stabilizing component (3) further includes a stabilizing airbag (32), which is disposed on the inner wall of the first limiting frame (31) and is arranged around the central axis of the first limiting frame (31). The stabilizing airbag (32) has an air vent and a sealing member (33) is provided on the stabilizing airbag (32). The sealing member (33) is used to open and close the air vent.

8. The modular electromagnetic flowmeter connection device according to claim 7, characterized in that: The first unit module (1) is provided with a storage airbag (34), which is used for the second limiting frame (12) to abut against the surface away from the second unit module (2); the inner cavity of the storage airbag (34) is connected to the inner cavity of the stabilizing airbag (32).

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