A water meter magnetic steel coupled induction electronic drive counter copper seal integrated sealing structure

Abstract

This utility model relates to an integrated copper-sealed structure for a water meter magnetic steel coupled induction electronic drive counter, comprising: a ring-shaped magnetic steel flow sensing drive structure, disposed in the meter base, for sensing water flow and driving it via magnetic coupling; a magnetic coupling transmission gear set and a counting signal transmission structure, disposed in the meter housing, including the magnetic coupling transmission gear set and an electronic induction circuit board, for transmitting flow data and transmitting signals; and a sealed copper cover and counter support structure, located above the magnetic coupling transmission gear set and the counting signal transmission structure, for sealing and protecting the internal components, forming an integrated copper seal. This utility model seals the matching transmission structure of the magnetically coupled mechanical counter and other metering signals, as well as the magnetic induction signal transmission circuit board for transmitting water meter flow, all within a single copper cover. This sealing structure can improve the manufacturing and assembly performance, metering accuracy and stability, and service life of the smart water meter.

Description

Technical Field

[0001] This utility model relates to the technical field of electrical protection, and in particular to an integrated copper seal structure for a water meter magnetic steel coupled induction electronic drive counter. Background Technology

[0002] Most existing smart water meters consist of two main devices: a traditional mechanical water meter with a mechanical linkage between the base meter impeller and the counter gear chain, and an external smart electronic module connected by wires. Because the flow data transmission process of a traditional mechanical water meter counter requires the matching transmission of many flow pointers with different orders of magnitude and different design speeds of the digital baseband, the accuracy of measurement is achieved by the complex speed distribution of gear sets with different tooth combinations and multiple branches throughout the entire link from the water impeller to the flow pointers and digital baseband. This has the advantage of continuous and stable measurement.

[0003] However, the complex linkage transformation of flow data matching in traditional mechanical water meters relies on a long and complex gear chain structure for speed change transmission. Errors in the assembly and meshing accuracy of multi-specification gears will accumulate into large measurement errors during the speed change of the entire linkage gears. Moreover, with prolonged use, more wear errors are likely to occur, further increasing the measurement error and resulting in a relatively short normal measurement life of the water meter.

[0004] Meanwhile, peripheral electronic modules based on traditional mechanical counter linkage configurations are generally large in size and have high manufacturing costs. They are also susceptible to external damage, air oxidation, and moisture corrosion, which can lead to some safety issues. Furthermore, they have many production processes, poor sealing, and short lifespan. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a water meter magnetic steel coupled induction electronic drive counter copper seal integrated sealing structure.

[0006] This utility model is achieved using the following technical solution: a water meter magnetic steel coupled induction electronic drive counter copper seal integrated sealing structure, including a meter base, and pipe interfaces disposed on both sides of the meter base and communicating with the inner cavity, a meter housing is disposed on the upper end of the meter base, and a protective cover is movably connected to the upper end of the meter housing via a hinge and a latch, characterized in that it further includes:

[0007] The movement features a ring-shaped magnet flow sensing drive structure, which is located in the base of the watch and is used to sense water flow and drive it through magnetic coupling.

[0008] The movement annular magnet flow sensing drive structure includes a movement impeller and a movement impeller base mounted on the movement impeller, and also includes a top annular magnet of the movement impeller. The top annular magnet of the movement impeller is set in the annular magnetic groove at the bottom of the top tenon of the movement plate. The upper end of the movement plate is matched and connected to the watch base through a copper pressure plate, which is used to indirectly drive the central drive shaft of the counter through magnetic coupling and eliminate the wear caused by mechanical connection.

[0009] A magnetically coupled transmission gear set and a counting signal transmission structure are housed in the meter housing, including a magnetically coupled transmission gear set and an electronic sensing circuit board, for transmitting flow data and transmitting signals;

[0010] The sealed copper cover and counter support structure, located above the magnetically coupled transmission gear set and the counting signal transmission structure, are used to seal and protect the internal components, forming an integrated copper seal.

[0011] As a further improvement to the above solution, the magnetically coupled transmission gear set and the counting signal transmission structure include:

[0012] The circuit board compartment is used to hold the electronic sensing circuit board. It is equipped with a circuit board compartment cover that snaps together. The upper end of the circuit board compartment cover is provided with a pointer mounting pit, and a pointer is installed in the pointer mounting pit.

[0013] The circuit board is located inside the circuit board compartment and integrates Hall effect sensors and Bluetooth transmitters.

[0014] A pointer-linking magnet is positioned below the pointer to ensure close sensing with the Hall effect sensor on the circuit board.

[0015] As a further improvement to the above scheme, a ring-shaped magnet is installed at the bottom of the drive shaft to receive the magnetic coupling power of the flow sensing drive structure of the ring-shaped magnet in the core.

[0016] The pointer linkage magnet is designed as a symmetrically linked ring magnet to increase the stability of gear operation and Hall sensing, and to support the setting of dual Hall and quad Hall elements and program compensation functions on the circuit board.

[0017] As a further improvement to the above solution, the sealed copper cover and counter support structure includes:

[0018] The sealed copper cover, made of pure copper, is used to seal and enclose the internal structure in one piece, preventing air oxidation and moisture corrosion.

[0019] The antimagnetic shield, housed within a sealed copper enclosure, is used to shield against environmental electromagnetic interference and ensure the stability of the magnetic flux loop.

[0020] As a further improvement to the above solution, the upper counter bracket and the lower counter bracket are combined to form a detachable and combinable internal support structure for fixing the gear set and circuit board, and the upper counter bracket is equipped with a counter.

[0021] As a further improvement to the above solution, the sealing copper cover also includes a copper cover bottom tenon, and the copper cover bottom tenon is provided with a bottom column pit and an annular magnetic ring groove for magnetic coupling tight fit between the top annular magnet of the mechanism impeller and the bottom annular magnet of the drive shaft.

[0022] As a further improvement to the above solution, the lower support of the counter is provided with a battery compartment and a gear set. The battery compartment contains a battery, and the gear set is used in conjunction with the water meter pointer and the counter.

[0023] As a further improvement to the above solution, the bottom of the movement impeller base is connected to a movement filter, and the movement filter is located in the watch base.

[0024] As a further improvement to the above solution, the inner wall of the upper end of the sealing copper cover is provided with a mounting bushing, and a sealing glass is provided at the upper end of the mounting bushing, and a sealing gasket is provided between the contact surfaces of the mounting bushing and the sealing glass.

[0025] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0026] This invention splits the long gear link that traditional mechanical water meters rely on for flow data transmission into two parts, and uses a more stable magnetic coupling transmission method to greatly reduce the cumulative measurement error and mechanical wear error caused by the original full-link mechanical transmission.

[0027] The electronic module designed in this invention has a built-in seal, making it less prone to damage. The magnetic induction transmission of flow data is more stable, and the Hall induction circuit between the pointer gear linkage magnet and the circuit board is more compact and accurate. The programmable and compensated magnetic signal enables more intelligent flow signal matching.

[0028] The gear transmission link and electronic module circuit board of the water meter in this invention can be better protected, the manufacturing difficulty and cost are significantly reduced, and the service life is longer. Attached Figure Description

[0029] Figure 1 This is a structural illustration of the present utility model;

[0030] Figure 2 This is a cross-sectional view of the present invention.

[0031] Figure 3 This is an exploded structural diagram of the present invention.

[0032] Explanation of key symbols:

[0033] 1-Sealed glass, 2-Sealing gasket, 3-Mounting bushing, 4-Water meter pointer, 5-Circuit board compartment cover, 6-Pointer mounting recess, 7-Counter, 8-Circuit board compartment, 9-Circuit board, 10-Counter upper bracket, 11-Pointer linkage magnet, 12-Battery, 13-Battery compartment, 14-Gear set, 15-Counter lower bracket, 16-Sealed copper cover, 17-Central drive shaft, 18-Copper inner bottom tenon, 19-Antimagnetic device, 20-Movement impeller top annular magnet, 21-Drive shaft bottom annular magnet, 22-Movement pressure plate top tenon recess, 23-Copper pressure ring plate, 24-Movement pressure plate, 25-Movement impeller, 26-Movement impeller base, 27-Movement filter, 28-Meter base, 29-Pipe interface, 30-Meter housing, 31-Protective cover. Detailed Implementation

[0034] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0035] In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0038] Please combine Figure 1-3A water meter magnetic steel coupled induction electronic drive counter copper seal integrated sealing structure includes a meter base 28 and pipe interfaces 29 disposed on both sides of the meter base 28 and communicating with the inner cavity. A meter housing 30 is disposed on the upper end of the meter base 28, and a protective cover 31 is movably connected to the upper end of the meter housing 30 by a hinge and a latch. The structure also includes:

[0039] The movement's annular magnet flow sensing drive structure is located in the base 28 of the watch and is used to sense the water flow and drive it through magnetic coupling.

[0040] A magnetically coupled transmission gear set and a counting and signaling structure are disposed in the meter housing 30, including a magnetically coupled transmission gear set and an electronic sensing circuit board, for transmitting flow data and sending signals;

[0041] The sealed copper cover and counter support structure, located above the magnetically coupled transmission gear set and the counting signal transmission structure, are used to seal and protect the internal components, forming an integrated copper seal.

[0042] The flow sensing drive structure of the mechanism includes a mechanism impeller 25 and a mechanism impeller base 26 mounted on the mechanism impeller 25. It also includes a mechanism impeller top annular magnet 20, which is set in the annular magnetic groove at the bottom of the top tenon 22 of the mechanism pressure plate 24 and matched and connected by a copper pressure plate 23. It is used to indirectly drive the counter center transmission shaft through magnetic coupling to eliminate wear caused by mechanical connection.

[0043] The magnetically coupled transmission gear set and the counting signal transmission structure include:

[0044] The circuit board compartment 8 is used to accommodate the electronic sensing circuit board. It is provided with a circuit board compartment cover 5 that snaps together. The upper end of the circuit board compartment cover 5 is provided with a pointer mounting pit 6, and a pointer 4 is installed in the pointer mounting pit 6.

[0045] Circuit board 9 is located inside circuit board compartment 8 and integrates Hall effect sensing elements and Bluetooth transmission elements;

[0046] The pointer linkage magnet 11 is located below the pointer 4 and is used to closely sense the Hall sensor element of the circuit board 9;

[0047] The bottom annular magnet 21 of the drive shaft is set at the bottom end of the central drive shaft 17 and is used to receive the magnetic coupling power of the flow sensing drive structure of the annular magnet of the mechanism.

[0048] Among them, the pointer linkage magnet 11 is designed as a symmetrical linkage ring magnet to increase the stability of gear operation and Hall sensing, and supports the setting of dual Hall and quad Hall elements and program compensation functions on the circuit board 9.

[0049] The sealed copper cover and counter support structure includes:

[0050] The sealing copper cover 16 is made of copper and is used to seal and cover the internal structure in one piece to prevent air oxidation and moisture corrosion.

[0051] The antimagnetic shield 19 is installed inside the sealed copper shield 16 to shield against environmental electromagnetic interference and ensure the stability of the magnetic flux circuit.

[0052] The upper counter support 10 and the lower counter support 15 are combined to form a detachable and combinable internal support structure for fixing the gear set and the circuit board, and the upper counter support 10 is equipped with a counter 7.

[0053] The sealing copper cover 16 also includes a copper cover bottom tenon 18, which has a bottom column pit and an annular magnetic ring groove for magnetic coupling tight fitting between the top annular magnet 20 of the mechanism impeller and the bottom annular magnet 21 of the drive shaft.

[0054] The lower bracket 15 of the counter is equipped with a battery compartment 13 and a gear set 14. The battery compartment 13 contains a battery 12, and the gear set 14 is used in conjunction with the water meter pointer 4 and the counter 7.

[0055] The movement impeller base 26 is connected to the bottom of the movement filter 27, which is located in the watch base 28.

[0056] The inner wall of the upper end of the sealing copper cover 16 is provided with a mounting ring 3, and a sealing glass 1 is provided at the upper end of the mounting ring 3. A sealing gasket 2 is provided between the contact surfaces of the mounting ring 3 and the sealing glass 1.

[0057] Based on the above structural design, the following should also be added:

[0058] I. The drive structure, mainly composed of annular magnets, is the key structure for the source measurement of the magnetic flux of the water turbine flow and the magnetic coupling drive. This structure helps to reduce measurement errors and increase the service life of the mechanism.

[0059] (1) The annular magnet on the top of the impeller core is the most critical component that needs to be closely matched with the copper seal structure of this utility model. From the exploded view, the annular magnetic ring groove design is hidden in the pit bottom of the tenon opening circular pit structure in the center of the core pressure plate. The magnetic coupling of the top tenon of the core pressure plate drives the annular magnet at the bottom of the central drive shaft of the counter of this utility model. The improved design of replacing the direct mechanical connection drive with a stable magnetic coupling indirect drive eliminates the mechanical link that most affects the accuracy of metering transmission, greatly reduces the wear caused by the direct mechanical transmission of the water turbine core to the central drive shaft of the counter, and also greatly reduces the mechanical wear of the core gears, increasing the service life and metering quality of the water meter.

[0060] (2) The metering transmission of traditional mechanical water meters is achieved by the direct meshing and linkage between the central drive shaft extending downward from the counter gear set meshing component and the water turbine core gear driven by the water flow. The transmission connection from the core gear to the counter gear set is relatively long, and there is only a thin and weak gear rod such as the central drive shaft. Structurally, it is relatively loose. In particular, the gear at the lower end of the drive shaft has a very small diameter. It has to withstand the impact of the impeller rotation and drive the much larger diameter gear set over a long distance with this thin rod. The meshing accuracy and transmission stability are difficult to compare with the precision requirements of the gear set itself, and the wear is also greater.

[0061] (3) The copper pressure plate, movement pressure plate, movement impeller, movement impeller base and movement filter are the conventional basic watch movement functional structures.

[0062] Second, the magnetic coupling transmission signaling structure mainly involves the redesign and compact sealing of the transmission and signaling metering transmission functional devices, which greatly contributes to the functional development, safety protection, and metering accuracy of smart water meters.

[0063] (1) The pointer, counter and gear set of the water meter are not much different from the metering dial of an ordinary water meter. However, with the integrated circuit board combination of the functional design, the gear set meshing link design of this utility model is more compact and precise. The speed distribution design of the gear set branch transmission pointer, plum blossom needle and digital baseband is more accurate and stable.

[0064] (2) The shape and position of the circuit board compartment are specially designed for this utility model. The circuit board is also a specially designed micro-integrated high-efficiency circuit board. It is loaded with electronic components such as Hall effect sensor and Bluetooth signal transmission, which are standard configurations of smart water meters. The pointer linkage magnet design is hidden in the gear under the pointer. The closer sensing design of Hall effect sensor and pointer magnet further ensures the accuracy of flow sensing and signal transmission. Two symmetrically linked ring magnets can also be set on the magnet gear, which can greatly increase the stability of gear operation and Hall effect sensor. It can also be used to set dual Hall effect sensor, quad Hall effect sensor, Bluetooth reading, program compensation and other functional sensing and command transmission components on the circuit board, increasing the smart water meter's more intelligent function design and the stability of electromagnetic signal transmission.

[0065] (3) The bottom ring magnet of the drive shaft is the source of magnetic induction power of the gear set hidden in the bottom pit groove of the bottom tenon of the copper seal integrated structure. From the exploded view, the central drive shaft hidden in the center of the copper seal integrated structure is the main power transmission structure of the counter and pointer gear set power distribution speed change of this utility model. It is also the main channel for the flow sensing transmission of the water turbine core. Traditionally, the drive shaft connects the power and flow transmission of the water turbine core through direct mechanical transmission. The accuracy of the long mechanical transmission link will be seriously affected by mechanical assembly and running wear. This utility model divides the complex power transmission link into two. After the link is shortened, the measured assembly and wear error decreases geometrically, which greatly helps to reduce the water meter measurement error caused by mechanical assembly and wear. Then, by using the design of magnetic coupling and anti-magnetic cover, the actual flow stable matching measurement is achieved through the conversion of magnetic flux and distortion-free transmission.

[0066] (4) The present invention has a more compact design for the position and size of conventional water meter counter components such as circuit board cover, pointer mounting pit, battery and battery compartment.

[0067] III. The sealed copper cover support structure mainly provides protection through external sealing and internal support. It utilizes copper, which has good thermal conductivity and airtightness, to seal the magnetic steel coupling electronic induction circuit board of the water turbine valve stem that acquires the water meter flow sensing signal, as well as the electronic drive mechanical counter and its transmission gear set link support into an integral shell. The advantage is that the magnetic induction structure integrates metering and signal transmission into a sealed system, which helps to ensure the fidelity of electromagnetic data and improve the accuracy of water meter measurement. The internal support is mainly for fixing the physical support, while the external sealing has the significance of both airtightness and electromagnetic shielding.

[0068] (1) The combination of the upper and lower brackets of the counter is a specially designed detachable and combinable internal support structure of this utility model, which provides a compact and stable positional architecture for the installation and transmission of the main structure, and has an obvious effect on improving the assembly accuracy and reducing the transmission error of the internal gear set;

[0069] (2) Sealed copper cover: The outer shell of the sealed structure is made of copper material with good thermal conductivity and air tightness. It is used in conjunction with the sealing material to seal the main structure of the utility model. It can block air oxidation and moisture corrosion and increase the life of the internal battery and circuit board.

[0070] (3) The antimagnetic cover is a yellow circular wall shield specially designed for this utility model. It has the function of fastening the upper and lower ring magnets in a precise and tight fit, as well as the design effect of ensuring the magnetic flux circuit, shielding the electromagnetic interference of the environment and the stable and distortion-free transmission of the flow signal; the bottom tenon of the copper cover hides the bottom column pit, and the bottom of the pit is set with a ring magnetic groove, which can be used for the magnetic coupling tight fit between the counter and the mechanism.

[0071] (4) The sealing glass, sealing gasket and mounting ring are conventional water meter sealing materials, which are used in conjunction with the sealing copper cover to form the overall seal of this utility model.

[0072] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model shall be considered equivalent substitutions and shall be included within the protection scope of the present utility model.

[0073] In the description of this utility model, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

Claims

1. A water meter magnetic steel coupled induction electronic drive counter copper seal integrated sealing structure, comprising a meter base (28) and pipe interfaces (29) disposed on both sides of the meter base (28) and communicating with the inner cavity, wherein a meter housing (30) is disposed on the upper end of the meter base (28), and a protective cover (31) is movably connected to the upper end of the meter housing (30) by a hinge and a latch, characterized in that, Also includes: The annular magnet flow sensing drive structure of the movement is set in the base (28) of the meter to sense the water flow and drive it through magnetic coupling; The movement annular magnet flow sensing drive structure includes a movement impeller (25) and a movement impeller base (26) mounted on the movement impeller (25), and also includes a movement impeller top annular magnet (20). The movement impeller top annular magnet (20) is set in the annular magnetic groove at the bottom of the top tenon (22) of the movement pressure plate (24). The upper end of the movement pressure plate (24) is matched and connected to the watch base (28) through a copper pressure plate (23) to indirectly drive the counter center drive shaft through magnetic coupling and eliminate wear caused by mechanical connection. A magnetically coupled transmission gear set and a counting and signaling structure are set in the meter housing (30), including a magnetically coupled transmission gear set and an electronic sensing circuit board, for transmitting flow data and sending signals; The sealed copper cover and counter support structure, located above the magnetically coupled transmission gear set and the counting signal transmission structure, are used to seal and protect the internal components, forming an integrated copper seal.

2. The copper seal integrated seal structure of a water meter magnetic steel coupling induction electronic driving counter according to claim 1, characterized in that, The magnetically coupled transmission gear set and the counting signaling structure include: The circuit board compartment (8) is used to accommodate the electronic sensing circuit board. A circuit board compartment cover (5) with a snap-fit ​​is provided on it. A pointer mounting pit (6) is provided at the upper end of the circuit board compartment cover (5), and a pointer (4) is installed in the pointer mounting pit (6). The circuit board (9) is located inside the circuit board compartment (8) and integrates a Hall effect sensor and a Bluetooth signaling element; A pointer-linking magnet (11) is positioned below the pointer (4) to closely sense the Hall effect sensor on the circuit board (9); The bottom annular magnet (21) of the drive shaft is set at the bottom end of the central drive shaft (17) to receive the magnetic coupling power of the flow sensing drive structure of the annular magnet of the core.

3. The integrated copper seal structure for a water meter magnetic steel coupled induction electronic drive counter as described in claim 2, characterized in that, The pointer linkage magnet (11) is designed as a symmetrical linkage ring magnet to increase the stability of gear operation and Hall sensing, and to support the setting of dual Hall, quad Hall elements and program compensation functions on the circuit board (9).

4. The copper seal integrated seal structure of a water meter magnetic steel coupling induction electronic driving counter of claim 3, characterized in that, The sealed copper cover and counter support structure includes: The sealed copper cover (16) is made of copper material and is used to seal the internal structure from top to bottom to prevent air oxidation and moisture corrosion. The antimagnetic shield (19) is set inside the sealed copper shield (16) to shield the electromagnetic interference of the environment and ensure the stability of the magnetic flux circuit; The upper counter bracket (10) and the lower counter bracket (15) are combined to form a detachable and combinable internal support structure for fixing the gear set and the circuit board, and a counter (7) is provided at the upper end of the upper counter bracket (10).

5. The copper seal integrated seal structure of a water meter magnetic steel coupling induction electronic driving counter of claim 4, wherein, The sealing copper cover (16) also includes a copper cover bottom tenon (18), and the copper cover bottom tenon (18) is provided with a bottom column pit and an annular magnetic ring groove for magnetic coupling tight fitting between the top annular magnet (20) of the mechanism impeller and the bottom annular magnet (21) of the drive shaft.

6. The copper seal integrated seal structure of a water meter magnetic steel coupling induction electronic driving counter of claim 5, wherein, The counter lower bracket (15) is equipped with a battery compartment (13) and a gear set (14). The battery compartment (13) contains a battery (12), and the gear set (14) is used in conjunction with the water meter pointer (4) and the counter (7).

7. The copper seal integrated seal structure of the magnetic steel coupling induction electronic driving counter of the water meter according to claim 6, characterized in that, The bottom of the movement impeller base (26) is connected to the movement filter (27), and the movement filter (27) is located in the watch base (28).

8. The copper seal integrated seal structure of the magnetic steel coupling induction electronic driving counter of the water meter according to claim 7, characterized in that, The inner wall of the upper end of the sealing copper cover (16) is provided with a mounting ring (3), and a sealing glass (1) is provided at the upper end of the mounting ring (3). A sealing gasket (2) is provided between the contact surface of the mounting ring (3) and the sealing glass (1).

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