Meter head structure of electromagnetic water meter

Abstract

The utility model relates to a meter head structure of an electromagnetic water meter, which belongs to the field of electromagnetic water meters and comprises a meter head shell, a control device arranged in the meter head shell, protective glass for protecting the control device and a meter head cover body for pressing the control device and the protective glass on the meter head shell; the control device sequentially comprises a power supply unit, a remote transmission module and a metering module in the direction towards the meter head cover body. The side wall of the meter head shell is provided with a communication interface, the bottom of the meter head shell is provided with a threading connector used for allowing a wire to penetrate through, the power supply unit is provided with supporting legs abutting against the bottom of an inner cavity of the meter head shell, and a threading gap is formed between the power supply unit and the bottom face of the inner cavity of the meter head shell. The electromagnetic water meter has the effect of reducing the external space occupied by the meter head of the electromagnetic water meter.

Description

Technical Field

[0001] This application relates to the field of electromagnetic water meters, and more particularly to a meter head structure for an electromagnetic water meter. Background Technology

[0002] Electromagnetic water meters are metering instruments specifically designed for the actual needs of water supply and consumption enterprises. They detect flow rate through electromagnetic induction, optimizing water supply and ensuring accurate water trade metering and settlement. An electromagnetic water meter consists of a casing, meter head, meter body, sensing device, signal processing module, and display device. The meter head is the control center of the electromagnetic water meter, responsible for receiving signals from the sensor, processing the signals, and displaying the result. Existing meter head structures are dual-compartment structures, with the meter head housing containing the main circuit board and the meter head housing containing the communication circuit board operating independently, thus requiring a large amount of external space. To address the aforementioned related technologies, the inventor provides a meter head structure for an electromagnetic water meter. Utility Model Content

[0003] In order to reduce the external space occupied by the meter head of the electromagnetic water meter, this application provides a method.

[0004] The meter head structure of the electromagnetic water meter provided in this application adopts the following technical solution:

[0005] An electromagnetic water meter head structure includes a head housing, a control device installed within the head housing, a protective glass for protecting the control device, and a head cover for pressing the control device and the protective glass against the head housing. The control device includes, in sequence, a power supply unit, a remote transmission module, and a metering module along the direction toward the head cover. The side wall of the head housing has a communication connector and the bottom has a wiring interface for a power supply line to pass through. The power supply unit has a support foot that abuts against the bottom of the inner cavity of the head housing, and a wiring gap is formed between the power supply unit and the bottom surface of the inner cavity of the head housing.

[0006] By adopting the above technical solution, during the operation of the electromagnetic water meter head, the metering module is responsible for measuring and displaying data, the remote transmission module is responsible for transmitting data to the data processing center, and the power supply unit is responsible for providing stable power to the metering module and the remote transmission module. Arranging the metering module, remote transmission module, and power supply module within a single meter head helps improve the compactness of the internal structure of the meter head and reduces the external space occupied by the meter head.

[0007] Optionally, the power supply unit includes a first power supply component for supplying power to the remote transmission module and a second power supply component for supplying power to the metering module; the first power supply component includes a first battery holder and a first battery pack disposed within the first battery holder, and the second power supply component includes a second battery holder and a second battery pack disposed within the second battery holder.

[0008] By adopting the above technical solution, a first power supply component for powering the metering module and a second power supply component for powering the remote transmission module are installed in the inner cavity of the meter housing. This helps to provide stable and reliable power for the normal operation of both the remote transmission module and the metering module. Furthermore, dividing the power supply unit into two independent power supply components makes the entire meter structure more modular, facilitating maintenance and replacement. When one power supply component fails or needs to be replaced, it will not affect the normal operation of the other power supply component.

[0009] Optionally, the second battery holder has a C-shaped groove and an abutting protrusion at the C-shaped groove. The first battery holder is disposed in the C-shaped groove. The first battery holder and the second battery holder are connected by a splicing structure. The splicing structure includes an abutting protrusion disposed on the outer wall of the first battery holder and an abutting groove disposed on the abutting protrusion for accommodating the abutting protrusion.

[0010] By adopting the above technical solution, the C-shaped groove and the splicing structure help stabilize the connection between the first and second battery holders, reducing the probability of relative displacement between them. Furthermore, the splicing structure makes the installation process of the first and second battery holders simpler and faster.

[0011] Optionally, the remote transmission module includes a main circuit board and a mounting bracket for arranging the main circuit board; the mounting bracket has threaded posts arranged circumferentially, and the main circuit board is fixed to the threaded posts by screws. The mounting bracket also has a limiting plate extending toward the power supply unit and conforming to the outer wall of the power supply unit, and an abutting surface abutting against the top surface of the power supply unit.

[0012] By adopting the above technical solution, the mounting bracket provides a stable mounting platform for the main circuit board. The threaded posts on the mounting bracket help improve the connection strength between the main circuit board and the mounting bracket, reducing the probability of the main circuit board loosening due to vibration during long-term use. The mounting bracket also serves as the connection structure between the remote transmission module and the power supply unit, contributing to the compactness of the meter's internal structure.

[0013] Optionally, the metering module includes a support frame inserted into the top surface of the mounting bracket, a display component arranged on the side of the support frame facing the mounting bracket, and an indicator plate arranged on the side of the support frame facing the meter cover; the support frame is circumferentially arranged with a limiting protrusion on the side facing the meter cover, and the indicator plate has a limiting through groove for accommodating the limiting protrusion.

[0014] By adopting the above technical solution, the support frame provides a stable mounting platform for the display components and indicator plate, ensuring the normal operation of the metering module. The cooperation between the limiting protrusion and the limiting through groove helps reduce the probability of indicator plate displacement.

[0015] Optionally, the mounting bracket has a support arc plate extending vertically toward the support frame, and an insertion gap is formed between the support arc plate and the inner wall of the head housing. The support frame has an insertion slot for inserting the support arc plate and an insertion protrusion inserted into the insertion gap.

[0016] By adopting the above technical solution, the cooperation between the support arc plate and the plug slot helps to improve the stability of the connection between the mounting frame and the support frame. Furthermore, the cooperation between the plug gap and the plug protrusion further improves the connection stability between the support frame and the mounting frame, ensuring the normal operation of the metering module, and making the installation and disassembly of the support frame and the mounting frame more convenient and faster.

[0017] Optionally, the meter head cover has a display opening for observing the metering module. The meter head housing includes an outer end cover, an inner end cover, and a mounting flip cover hinged to the top surface of the outer end cover for closing the display opening. The bottom of the outer end cover is circumferentially arranged with a snap-fit ​​connector for preventing the inner end cover from dislodging from the inner cavity of the outer end cover.

[0018] By adopting the above technical solution, the display opening and the mounting flip cover provide users with a window to observe the information displayed by the metering module. The outer and inner end covers help ensure the sealing and stability of the meter head. The snap-fit ​​connector helps prevent the inner end cover from detaching from the inner cavity of the outer end cover, enhancing the stability of the meter head housing.

[0019] Optionally, one end of the protective glass abuts against the meter head cover and the other end abuts against the meter head housing. The top of the meter head housing has a mounting ring platform and a mounting protrusion connected to the inner edge of the mounting ring platform. A sealing gap is formed between the protective glass and the mounting ring platform, and a sealing gasket is provided at the sealing gap in the meter head housing.

[0020] By adopting the above technical solutions, the protective glass helps protect the internal structure of the meter. The sealing gaps and gaskets help improve the meter's waterproof performance and ensure the normal operation of the meter.

[0021] Optionally, one end of the outer wall of the meter housing may also have a mounting connector for mounting an aviation socket.

[0022] By adopting the above technical solution, an installation connector for aviation sockets is set on the outer wall of the meter housing to ensure stable power and signal transmission, and to make the overall structure more compact and aesthetically pleasing. This helps to reduce the space occupied by the electromagnetic water meter and also improves its installation flexibility and convenience.

[0023] Optionally, a limiting protrusion is provided at the bottom of the inner cavity of the meter housing, and the support foot has a limiting groove for arranging the limiting protrusion.

[0024] By adopting the above technical solution, the limiting protrusion is arranged in the limiting groove of the support foot, which helps to limit the power supply unit, reduce the probability of displacement of the power supply unit, and ensure the normal operation of the power supply unit.

[0025] In summary, this application includes at least one of the following beneficial technical effects:

[0026] 1. A meter head structure for an electromagnetic water meter, which improves the compactness of the internal structure of the meter head and reduces the external space occupied by the meter head by arranging the power supply unit, remote transmission module and metering module in the inner cavity of a meter head housing;

[0027] 2. The splicing connection between the first and second battery holders, the detachable connection between the mounting bracket and the first and second battery holders, and the plug-in connection between the mounting bracket and the support bracket make the installation and disassembly of the internal structure of the meter head faster and more convenient, which helps to maintain the meter head.

[0028] 3. The setting of sealing gaps and sealing gaskets helps to improve the waterproof performance of the meter head and reduce the probability of water entering the inner cavity of the meter head and causing abnormal operation of various modules inside the meter head. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the meter head structure of the electromagnetic water meter in the embodiments of this application.

[0030] Figure 2 This is an exploded view of the meter head structure of the electromagnetic water meter in the embodiments of this application.

[0031] Figure 3 This is a cross-sectional schematic diagram of the meter head structure of the electromagnetic water meter in the embodiments of this application.

[0032] Figure 4 yes Figure 3 A magnified view of a portion of point A in the middle.

[0033] Figure 5 This is a schematic diagram of the engagement between the first battery holder and the second battery holder in an embodiment of this application.

[0034] Figure 6This is a schematic diagram of the cooperation between the power supply unit and the remote transmission module in an embodiment of this application.

[0035] Figure 7 This is a cross-sectional schematic diagram of the remote transmission module in an embodiment of this application.

[0036] Figure 8 yes Figure 3 A magnified view of a portion of point B in the middle.

[0037] Figure 9 This is a cross-sectional schematic diagram of the metering module in an embodiment of this application.

[0038] Figure 10 This is a cross-sectional schematic diagram of the head cover in an embodiment of this application.

[0039] Explanation of reference numerals in the attached drawings: 1. Meter housing; 11. Connecting protrusion; 111. Wiring interface; 12. Communication connector; 13. Mounting connector; 14. Mounting ring platform; 15. Mounting protrusion; 16. Sealing gap; 17. Sealing gasket; 18. Limiting protrusion; 19. Wiring gap; 2. Protective glass; 3. Meter cover; 31. Display opening; 32. Outer end cover; 321. Arrangement groove; 322. Snap connector; 33. Inner end cover; 34. Mounting flip cover; 4. Power supply unit; 41. First power supply assembly; 411. First battery holder; 4111. Abutting protrusion; 4112. First support foot; 4113. Insertion protrusion; 412. 42. First battery pack; 43. Second power supply component; 44. Second battery holder; 45. C-shaped groove; 46. Abutting protrusion; 47. Abutting groove; 48. Second support foot; 49. Limiting groove; 40. Second battery pack; 51. Remote transmission module; 52. Main circuit board; 53. Mounting bracket; 54. Threaded post; 55. Limiting plate; 56. Abutting surface; 57. Mounting slot; 58. Support arc plate; 69. Metering module; 60. Support frame; 611. Insertion slot; 612. Insertion protrusion; 613. Limiting block; 62. Display component; 63. Indicator plate; 64. Limiting through groove. Detailed Implementation

[0040] The following is in conjunction with the appendix Figure 1-10 This application will be described in further detail.

[0041] This application discloses a meter head structure for an electromagnetic water meter. (Refer to...) Figure 1 and Figure 2 An electromagnetic water meter head structure includes a head housing 1, a control device installed in the inner cavity of the head housing 1, a protective glass 2 for protecting the control device, and a head cover 3 for pressing the control device and the protective glass 2 into the head housing 1.

[0042] Reference Figure 2 and Figure 3 The meter housing 1 has a hollow cylindrical structure. The upper end of the meter housing 1 has an open structure, and the lower end has a downward protruding connecting protrusion 11 for welding and fixing to the pipe section of the electromagnetic water meter. The connecting protrusion 11 has a wire-passing interface 111 that connects the pipe section and the inner cavity of the meter housing 1. One end of the outer wall of the meter housing 1 also has a communication connector 12, and the other end has an installation connector 13 for mounting with an aviation socket.

[0043] Reference Figure 4 The top of the meter housing 1 has a mounting ring platform 14 and a mounting protrusion 15 that is connected to the inner edge of the mounting ring platform 14 and extends upward. One end of the protective glass 2 abuts against the meter cover 3 and the other end abuts against the top of the mounting protrusion 15 of the meter housing 1, thus forming a sealing gap 16 between the protective glass 2 and the mounting ring platform 14. A sealing gasket 17 is provided at the sealing gap 16 of the meter housing 1.

[0044] Reference Figure 2 and Figure 5 The control device, along the direction towards the meter cover 3, sequentially includes a power supply unit 4, a remote transmission module 5, and a metering module 6. The power supply unit 4 includes a first power supply component 41 for supplying power to the remote transmission module 5 and a second power supply component 42 for supplying power to the metering module 6. The first power supply component 41 includes a first battery holder 411 and a first battery pack 412 disposed within the first battery holder 411. The second power supply component 42 includes a second battery holder 421 and a second battery pack 422 disposed within the second battery holder 421. The second battery holder 421 is C-shaped and has a C-shaped groove 4211, within which the first battery holder 411 is disposed. The first battery holder 411 and the second battery holder 421 are connected by a splicing structure, which includes an abutment protrusion 4212 on the second battery holder 421 at the C-shaped groove 4211 and an abutment strip 4111 disposed on the outer wall of the first battery holder 411 and cooperating with the abutment protrusion 4212. The abutting protrusion 4212 is provided with an abutting groove 42121 for the abutting protrusion 4111 to be inserted and abutted. In this embodiment, the first battery pack 412 includes two batteries and one capacitor, and the second battery pack 422 includes six batteries arranged in a connected manner.

[0045] Reference Figure 3The bottom of the first battery holder 411 also has a first support foot 4112 that abuts against the bottom of the inner cavity of the meter housing 1. The first support foot 4112 is an arc-shaped plate symmetrically arranged at both ends of the bottom of the first battery holder 411. The bottom of the second battery holder 421 also has a second support foot 4213 that abuts against the bottom of the inner cavity of the meter housing 1. The second support foot 4213 is a support protrusion ring. The bottom of the inner cavity of the meter housing 1 is provided with a limiting protrusion 18. The support protrusion ring has a limiting groove 42131 for accommodating the limiting protrusion 18, thereby limiting the second battery holder 421 and reducing the probability of displacement of the second battery holder 421 during the operation of the electromagnetic water meter. The arrangement of the first support foot 4112 and the second support foot 4213 forms a wire-passing gap 19 between the bottom surface of the power supply unit 4 and the bottom surface of the inner cavity of the meter housing 1 for the power supply line to pass through.

[0046] Reference Figure 6 and Figure 7 The remote transmission module 5 can transmit the measurement data of the electromagnetic water meter to a remote data center or monitoring system in real time through data acquisition and transmission functions. The remote transmission module 5 includes a main circuit board 51 and a mounting bracket 52 for accommodating the main circuit board 51. Threaded posts 521 are arranged circumferentially around the center of the top surface of the mounting bracket 52, and the main circuit board 51 is fixed to the top surface of the threaded posts 521 by screws. The mounting bracket 52 also has a limiting plate 522 extending towards the power supply unit 4 and conforming to the outer wall of the power supply unit 4, and an abutting surface 523 abutting against the top surface of the power supply unit 4.

[0047] Reference Figure 8 In order to further improve the stability of the mounting bracket 52 and the power supply unit 4, the first battery holder 411 of the first power supply assembly 41 has a plug-in protrusion 4113 extending toward the mounting bracket 52, and the mounting bracket 52 is provided with a mounting slot 524 for inserting the plug-in protrusion 4113.

[0048] Reference Figure 7 and Figure 9The mounting bracket 52 also has a support arc-shaped plate 525 extending toward the metering module 6 and used to support the metering module 6, and an insertion gap is formed between the support arc-shaped plate 525 and the inner wall of the meter housing 1. The metering module 6 is used to receive signals from the electrodes and coils, to measure the flow rate using the principle of electromagnetic induction, and to display the results. The metering module 6 includes a support frame 61 inserted into the top surface of the mounting bracket 52, a display component 62 arranged on the side of the support frame 61 facing the mounting bracket 52, and an indicator plate 63 arranged on the side of the support frame 61 facing the meter cover 3. The support frame 61 has an insertion groove 611 for inserting the support side plate and an insertion protrusion 612 inserted into the insertion gap. A limit block 613 is also circumferentially arranged on the side of the support frame 61 facing the meter cover 3, and the indicator plate 63 has a limiting through groove 631 for arranging the limit block 613, thereby limiting the indicator plate 63. The display component 62 has a wire extending to the power supply unit 4.

[0049] Reference Figure 2 and Figure 10 The meter head cover 3 is threaded onto the top of the meter head housing 1 to close the top opening of the meter head housing 1. The meter head cover 3 has a display opening 31 for observing the metering module 6. The meter head housing 1 includes an outer end cover 32, an inner end cover 33, and a mounting flip cover 34 hinged to the top surface of the outer end cover 32 and used to close the display opening 31. The outer end cover 32 has an arrangement groove 321 for accommodating the inner end cover 33, and the bottom of the outer end cover 32 is circumferentially spaced with snap-fit ​​connectors 322 to prevent the inner end cover 33 from disengaging from the arrangement groove 321 of the outer end cover 32. The outer side wall of the outer end cover 32 is also provided with anti-slip texture.

[0050] The implementation principle of the meter head structure of an electromagnetic water meter according to an embodiment of this application is as follows: the power supply unit 4, the remote transmission module 5, and the metering module 6 are arranged in the inner cavity of a meter head housing 1, which improves the compactness of the internal structure of the meter head and helps to reduce the external space occupied by the meter head. Furthermore, through the splicing structure between the first battery holder 411 and the second battery holder 421, the abutment structure between the mounting bracket 52 and the first battery holder 411 and the second battery holder 421, and the insertion structure between the mounting bracket 52 and the support bracket 61, the internal structure of the meter head can be installed and disassembled more quickly. Furthermore, through the setting of the sealing gap 16 and the sealing gasket 17, the waterproof effect of the meter head is effectively improved, ensuring the normal operation of the meter head.

[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 meter head structure for an electromagnetic water meter, characterized in that, The device includes a meter housing (1), a control device installed inside the meter housing (1), a protective glass (2) for protecting the control device, and a meter cover (3) for pressing the control device and the protective glass (2) against the meter housing (1). The control device includes a power supply unit (4), a remote transmission module (5), and a metering module (6) in sequence along the direction toward the meter cover (3). The side wall of the meter housing (1) has a communication connector (12) and the bottom has a wire threading interface (111) for the power supply line to pass through. The power supply unit (4) has a support foot that abuts against the bottom of the inner cavity of the meter housing (1). A wire threading gap (19) is formed between the power supply unit (4) and the bottom surface of the inner cavity of the meter housing (1).

2. The meter head structure of an electromagnetic water meter according to claim 1, characterized in that, The power supply unit (4) includes a first power supply component (41) for supplying power to the remote transmission module (5) and a second power supply component (42) for supplying power to the metering module (6); the first power supply component (41) includes a first battery holder (411) and a first battery pack (412) arranged in the first battery holder (411), and the second power supply component (42) includes a second battery holder (421) and a second battery pack (422) arranged in the second battery holder (421).

3. The meter head structure of an electromagnetic water meter according to claim 2, characterized in that, The second battery holder (421) has a C-shaped groove (4211) and an abutting protrusion (4212) is provided at the C-shaped groove (4211). The first battery holder (411) is arranged in the C-shaped groove (4211). The first battery holder (411) and the second battery holder (421) are connected by a splicing structure. The splicing structure includes an abutting protrusion (4111) provided on the outer wall of the first battery holder (411) and an abutting groove (42121) provided on the abutting protrusion (4212) for the abutting protrusion (4111) to be arranged.

4. The meter head structure of an electromagnetic water meter according to claim 1, characterized in that, The remote transmission module (5) includes a main circuit board (51) and a mounting bracket (52) for arranging the main circuit board (51); the mounting bracket (52) has threaded posts (521) arranged circumferentially, and the main circuit board (51) is fixed to the threaded posts (521) by screws. The mounting bracket (52) also has a limiting plate (522) extending toward the power supply unit (4) and fitting against the outer side wall of the power supply unit (4) and an abutting surface (523) abutting against the top surface of the power supply unit (4).

5. The meter head structure of an electromagnetic water meter according to claim 4, characterized in that, The metering module (6) includes a support frame (61) inserted into the top surface of the mounting bracket (52), a display component (62) arranged on the side of the support frame (61) facing the mounting bracket (52), and an indicator plate (63) arranged on the side of the support frame (61) facing the meter cover (3); a limiting block (613) is arranged circumferentially on the side of the support frame (61) facing the meter cover (3), and the indicator plate (63) has a limiting through groove (631) for arranging the limiting block (613).

6. The meter head structure of an electromagnetic water meter according to claim 5, characterized in that, The mounting bracket (52) has a support arc plate (525) extending vertically toward the support frame (61), and an insertion gap is formed between the support arc plate (525) and the inner wall of the head housing (1). The support frame (61) has an insertion groove (611) for inserting the support arc plate (525) and an insertion protrusion (612) inserted into the insertion gap.

7. The meter head structure of an electromagnetic water meter according to claim 1, characterized in that, The meter head cover (3) has a display opening (31) for observing the metering module (6). The meter head housing (1) includes an outer end cover (32), an inner end cover (33), and a mounting flip cover (34) hinged to the top surface of the outer end cover (32) and used to close the display opening (31). The bottom of the outer end cover (32) is circumferentially arranged with a snap connector (322) for preventing the inner end cover (33) from dislodging from the inner cavity of the outer end cover (32).

8. The meter head structure of an electromagnetic water meter according to claim 7, characterized in that, One end of the protective glass (2) abuts against the head cover (3) and the other end abuts against the head housing (1). The top of the head housing (1) has a mounting ring platform (14) and a mounting protrusion (15) connected to the inner edge of the mounting ring platform (14). A sealing gap (16) is formed between the protective glass (2) and the mounting ring platform (14). A sealing gasket (17) is provided at the sealing gap (16) of the head housing (1).

9. The meter head structure of an electromagnetic water meter according to claim 1, characterized in that, The outer wall of the meter housing (1) also has an installation connector (13) for mounting an aviation socket.

10. The meter head structure of an electromagnetic water meter according to claim 1, characterized in that, The bottom of the inner cavity of the meter housing (1) is provided with a limiting protrusion (18), and the support foot has a limiting groove (42131) for arranging the limiting protrusion (18).

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