Intelligent water meter shell with replaceable battery
By using a drive component and a limiting protrusion structure, the problems of unstable contact and no power during the battery replacement process of smart water meters are solved, and the power supply stability and continuity during the battery replacement process are achieved.
Patent Information
- Application Number
- CN202423227968.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing smart water meters are prone to unstable contact when replacing batteries, and the entire battery needs to be removed, leaving the meter without power during the replacement process.
The system employs a drive assembly and a limiting protrusion structure. By driving the rack and pinion shaft, the battery cup rotates, allowing the new battery to contact the arc-shaped contact plate for power supply, while the old battery detaches from the contact plate. The combination of the limiting protrusion and locking block ensures the stability of power supply during battery replacement.
It ensures stable power supply during battery replacement, preventing the meter from running out of power during the replacement process and guaranteeing the continuity and stability of power supply.
Smart Images

Figure CN223870140U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water meter casing technology, and in particular to a smart water meter casing with replaceable batteries. Background Technology
[0002] A water meter is an instrument that measures water flow, mostly measuring the cumulative flow of water. It is generally divided into two categories: volumetric water meters and velocity water meters. Originating in the UK, water meters have a history of nearly two hundred years. A smart water meter is a new type of water meter that uses modern microelectronics technology, modern sensing technology, and smart IC card technology to measure water consumption and transmit water data for settlement transactions.
[0003] As disclosed in the utility model patent CN219551609U, a replaceable battery smart water meter housing has a battery cup installed in the battery compartment. Multiple mounting slots are formed on the battery cup, each holding one battery. A contact piece is fixedly installed at the end of the battery compartment near the opening of the battery cup. A battery rod is connected to one of the mounting slots, using one battery to power the main control compartment. The batteries in the other mounting slots serve as backup replacement batteries, thus increasing the battery capacity. When the smart water meter needs battery replacement, a rotating shaft is integrally formed at the bottom of the battery cup. The rotating shaft passes through the end of the battery compartment away from the contact piece. Without disassembling the smart water meter, rotating the rotating shaft drives the battery cup to rotate, causing the multiple mounting slots inside the battery cup to rotate and rotate the backup battery under the contact piece to continue powering the main control compartment, thus making battery replacement easier.
[0004] The existing technology still has the following problems when used:
[0005] It replaces batteries by rotating the battery cup, which requires the battery's power supply end to contact the contact piece. However, the rotating battery compartment is prone to unstable contact. Furthermore, although it has multiple battery packs, the entire battery in the battery cup needs to be removed and replaced during battery replacement, resulting in the meter being without power during the replacement process. Utility Model Content
[0006] To overcome the shortcomings of the existing technology, this utility model provides a smart water meter housing with replaceable batteries, which can solve the technical problem that the rotating battery compartment is prone to unstable contact, and that the battery in the battery cup needs to be completely removed and replaced when replacing the battery, resulting in the meter being in a powerless state during the replacement process.
[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a smart water meter housing with replaceable battery, including a smart water meter body, a dial disposed on the front side of the smart water meter body, and a dust cover mounted on the smart water meter body above the dial;
[0008] The main body of the smart water meter has a battery cup inside, and a partition frame inside the battery cup. A sealed bottom cover is connected to the bottom of the battery cup and is fixed together with the partition frame. A battery placement block is provided on the upper surface of the sealed bottom cover, and a battery body is placed inside the battery placement block. The top connector of one set of battery bodies contacts the arc-shaped contact piece inside the smart water meter body. The arc-shaped contact piece is a quarter-circular structure with the central axis of the battery cup as the center and passing through the ring of the top connector of the battery body.
[0009] The battery cup is connected to the main body of the smart water meter through a drive component, which allows different battery bodies to contact the arc-shaped contact piece. The main body of the smart water meter is provided with a limit groove, and a limit protrusion is provided in the limit groove to limit the position of the separator.
[0010] The divider is equipped with a locking mechanism to restrict the position of the battery placement block;
[0011] The sealed bottom cover is connected to the battery cup via a disassembly assembly for quick removal of the sealed bottom cover.
[0012] As a preferred technical solution of this utility model, the driving component includes a driving rack, a connecting bearing ring, and a gear shaft. The driving rack is evenly distributed on the upper part of the outer wall of the battery cup. The gear shaft is meshed with the outer side of the driving rack. The output end of the driving motor is connected above the gear shaft. The driving motor is installed inside the smart water meter body. The battery cup is rotatably installed inside the smart water meter body through the connecting bearing ring.
[0013] As a preferred technical solution of this utility model, the tail end of the limiting protrusion is connected to the limiting groove by a spring, and the distance between adjacent surfaces of two sets of limiting protrusions is equal to the thickness of the separator.
[0014] As a preferred technical solution of this utility model, the locking assembly includes a locking rod, a locking block, and an anti-drop groove. The top end of the locking rod is fixed inside the smart water meter body. The locking rod is located in the cavity in the middle of the partition frame. A rotating groove is provided in the middle of the cavity of the partition frame. The rotating groove is aligned with the anti-drop groove. The locking block provided at the bottom end of the locking rod matches the quarter-rotating groove and the locking block matches the anti-drop groove. The locking block is aligned with the arc-shaped contact piece.
[0015] As a preferred technical solution of this utility model, the disassembly and assembly assembly includes a limiting slot, a first mounting slot, a second mounting slot, a mounting rod, and a rotating block. The limiting slot is opened on the side wall of the middle cavity at the bottom of the separator. The surface of the sealing bottom cover is provided with the first mounting slot and the second mounting slot. The outermost end of the mounting rod extends into the arc-shaped sliding groove opened on the inner side wall of the battery cup. The mounting rod is inserted into the limiting slot. The rotating block is set at the inner end of the four sets of mounting rods.
[0016] In a preferred embodiment of this utility model, the width of the mounting rod is the same as that of the mounting slot one, and the thickness of the mounting rod is the same as that of the mounting slot two.
[0017] Compared with the prior art, the beneficial effects that this utility model can achieve are:
[0018] 1. This utility model is equipped with a drive component, which can rotate the battery cup when the battery body is depleted, so that the new battery body contacts the arc-shaped contact piece to supply power to the device. The top connector of the new battery body first contacts the arc-shaped contact piece with a semi-circular structure, and then the old battery body disengages from the arc-shaped contact piece, which can ensure the stability of power supply. In addition, the top of the separator is equipped with a limiting protrusion. When no torsional force is applied, the limiting protrusion will lock the separator to prevent it from shaking and causing poor contact.
[0019] 2. This utility model is equipped with a battery placement block. When the battery is disassembled and replaced, the battery placement block on the outside of the battery body that supplies power to the arc-shaped contact piece will be locked by the locking block, which can ensure stable power supply when replacing the battery. The locking block is fixed inside the smart water meter body. When the battery cup is rotated as a whole, the locking block is always locked in the anti-drop slot of the battery placement block on the outside of the battery body that supplies power to the arc-shaped contact piece. Attached Figure Description
[0020] Figure 1 This is an appearance drawing of the present utility model;
[0021] Figure 2 This is a schematic diagram of the connection structure between the battery cup and the main body of the smart water meter of this utility model;
[0022] Figure 3 This is an exploded view showing the connection between the separator, the locking rod, and the sealing bottom cover of this utility model.
[0023] Figure 4 An exploded view showing the connection between the mounting rod and the partition frame of this utility model;
[0024] The components include: 1. Smart water meter body; 2. Battery cup; 21. Drive rack; 22. Connecting bearing ring; 3. Divider; 31. Rotating groove; 32. Limiting slot; 4. Battery body; 5. Locking rod; 51. Locking block; 6. Sealing bottom cover; 61. Mounting slot one; 62. Mounting slot two; 63. Battery placement block; 64. Anti-drop slot; 7. Mounting rod; 71. Rotating block; 8. Limiting protrusion; 9. Gear shaft; 10. Arc-shaped contact piece; 11. Dial; 12. Dust cover. Detailed Implementation
[0025] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation are all within the protection scope of this utility model without creative effort.
[0026] Example
[0027] Please refer to Figure 1 , Figure 3 and Figure 4 As shown, this utility model provides a replaceable battery smart water meter housing, including a smart water meter body 1. A dial 11 is provided on the front side of the smart water meter body 1, and the surface of the dial 11 can display the water consumption. A dust cover 12 that can rotate along the smart water meter body 1 is provided above the dial 11 to protect the dial 11 from dust. A battery compartment is provided at the bottom of the smart water meter body 1, and a battery cup 2 is provided inside the battery compartment. The battery cup 2 is connected to the battery compartment through a connecting bearing ring 22. A partition frame 3 is provided inside the battery cup 2. A limiting groove 32 is provided at the bottom center of the partition frame 3. A sealing bottom cover 6 is connected to the bottom end of the battery cup 2. The surface of the sealing bottom cover 6 has a first mounting groove 61 and a second mounting groove 62. Four sets of mounting rods 7 are provided, and one end of each of the four sets of mounting rods 7 is mounted on a rotating block 71. The upper part of the rotating block 71 is mounted in the cavity of the partition frame 3 through a bearing. The mounting rods 7 can rotate within the range of the limiting groove 32. A rotary knob is provided at the lower end of 71, allowing the mounting rod 7 to rotate along the partition 3. The other end of the mounting rod 7 extends into an arc-shaped groove on the inner wall of the battery cup 2. The width of the mounting rod 7 matches the mounting slot 1 61, and the thickness of the mounting rod 7 matches the mounting slot 2 62. By rotating the rotary knob at the bottom of the mounting rod 7, the mounting rod 7 can slide along the mounting slot 2 62. When the lower end of the partition 3 side plate is reached, the mounting slot 1 61 can be engaged with the mounting rod 7. The sealing bottom cover 6 is inserted into the battery cup 2. When the mounting rod 7 abuts against the bottom end of the mounting slot 1 61, the mounting rod 7 is rotated to slide along the mounting slot 2 62. At the same time, the tail end of the mounting rod 7 slides in the groove of the battery cup 2, locking the sealing bottom cover 6 onto the battery cup 2. The sealing bottom cover 6 can be removed from the battery cup 2 by reversing the operation. The disassembly and assembly components include the limiting slot 32, the mounting slot 1 61, the mounting slot 2 62, the mounting rod 7, and the rotating block 71.
[0028] Please refer to Figure 1-3As shown, a uniformly distributed drive rack 21 is provided on the top outer side of the battery cup 2. The drive rack 21 is meshed with the gear shaft 9. The gear shaft 9 is installed on the drive motor inside the smart water meter body 1. The drive motor can drive the gear shaft 9 to drive the drive rack 21 to rotate the battery cup 2. The drive assembly includes the drive rack 21, the connecting bearing ring 22 and the gear shaft 9.
[0029] Four sets of battery placement blocks 63 are evenly arranged on the upper surface of the sealed bottom cover 6. The battery placement blocks 63 are placed on the surface of the sealed bottom cover 6 but are not fixed to the sealed bottom cover 6. The battery placement blocks 63 have placement slots for placing the battery bodies 4. The smart water meter body 1 has an arc-shaped contact piece 10 inside. The arc-shaped contact piece 10 has a quarter-circular structure, and its ring matches the ring of the four sets of battery bodies 4 with the central axis of the battery cup 2 as the center. The partition frame 3 has a locking rod 5 whose top is fixed inside the smart water meter body 1. The locking rod 5 has a locking block 51 at its bottom end. The locking block 51 engages with the battery. The anti-drop slot 64 on the side wall of the placement block 63 matches, and the separator 3 has a rotating slot 31 aligned with the anti-drop slot 64 and the locking block 51. When the separator 3 and the battery placement block 63 rotate with the battery cup 2, the locking rod 5 is always located directly below the arc-shaped contact piece 10, which can lock the battery placement block 63 located directly below the arc-shaped contact piece 10. The locking assembly includes the locking rod 5, the locking block 51, and the anti-drop slot 64, thereby restricting the position of the battery body 4 inside the battery placement block 63. When the battery body 4 is disassembled and replaced, the battery body 4 that supplies power to the arc-shaped contact piece 10 will not be removed. Simply replace the other three sets. The smart water meter body 1 contains a power sensor that detects the battery level of the battery body 4. This sensor detects the power level in the battery body 4 that powers the arc-shaped contact piece 10. When the power is insufficient, it sends a signal to the controller, which then controls the drive motor to rotate the battery cup 2 to replace the battery body 4. When replacing the battery body 4, because the arc-shaped contact piece 10 has a quarter-circle structure, when the battery cup 2 rotates the battery body 4, the fully charged battery body 4 first contacts the arc-shaped contact piece 10, and only then will the battery body 4 with insufficient power detach from the arc-shaped contact piece 10, ensuring power supply. In a continuous operation, gear shaft 9 drives battery cup 2 to rotate, providing a torsional force that causes separator 3 to press against limiting protrusion 8. This pressing force forces the limiting protrusion 8 into a limiting groove inside the smart water meter body 1. The tail end of the limiting protrusion 8 is connected to the limiting groove via a spring. The limiting groove has sufficient space to accommodate the limiting protrusion 8. Only when the limiting protrusion 8 is fully inside the limiting groove does separator 3 and battery cup 2 begin to rotate. Once they reach the appropriate position, the pressing force of separator 3 on the limiting protrusion 8 is released, and the limiting protrusion 8 is extruded under the action of the spring, thus restricting the position of separator 3 and ensuring power supply stability.
[0030] Specific working principle:
[0031] Install the device in a suitable location and observe the water flow through the top of the dial 11. When the battery body 4 supplying power to the arc-shaped contact piece 10 is low on power, the drive motor at the tail end of the gear shaft 9 operates, causing the battery cup 2 to rotate and rotate the new battery body 4 to the underside of the arc-shaped contact piece 10 to supply power. When the fourth set of battery bodies 4 is in a powered state, the signal transmission module inside the smart water meter body 1 will transmit a signal to replace the battery. Since this signal transmission method is a mature existing technology, it is only used here as an auxiliary reminder to replace the battery body 4, and therefore not used for this purpose. To elaborate further, the user pinches the rotary knob below the rotating block 71 and rotates the mounting lever 7 to position it directly below the partition of the divider 3. At this point, the sealing bottom cover 6 can be pulled out, along with the three battery bodies 4 that do not supply power to the arc-shaped contact piece 10 and the battery placement block 63. The battery placement block 63 on the outside of the battery body 4 that supplies power to the arc-shaped contact piece 10 is held in place by the locking block 51 at the end of the locking lever 5, ensuring continuous power supply. After replacing the three new battery bodies, the sealing bottom cover 6 is installed back onto the battery cup 2, and the rotating block 71 is rotated to hold the sealing bottom cover 6 in place.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A replaceable battery smart water meter housing, comprising a smart water meter body (1), a dial (11) disposed on the front side of the smart water meter body (1), and a dust cover (12) mounted on the smart water meter body (1) above the dial (11), characterized in that: The main body (1) of the smart water meter has a battery cup (2) inside, a partition (3) inside the battery cup (2), a sealed bottom cover (6) connected to the bottom of the battery cup (2), a battery placement block (63) on the upper surface of the sealed bottom cover (6), a battery body (4) placed inside the battery placement block (63), and the top connector of one set of battery bodies (4) is in contact with the arc-shaped contact piece (10) inside the main body (1) of the smart water meter. The battery cup (2) is connected to the smart water meter body (1) through a drive component, which is used to allow different battery bodies (4) to contact the arc-shaped contact piece (10). The smart water meter body (1) is provided with a limiting groove inside, and a limiting protrusion (8) is provided in the limiting groove to limit the position of the separator (3). The arc-shaped contact piece (10) is a quarter-circular structure with the central axis of the battery cup (2) as the center and passing through the connecting head ring at the top of the battery body (4). The divider (3) is provided with a locking assembly for limiting the position of the battery placement block (63); The sealed bottom cover (6) is connected to the battery cup (2) by a disassembly assembly for quick disassembly of the sealed bottom cover (6).
2. The smart water meter housing with replaceable battery according to claim 1, characterized in that: The drive assembly includes a drive rack (21), a connecting bearing ring (22), and a gear shaft (9). The drive rack (21) is evenly distributed on the upper part of the outer wall of the battery cup (2). The gear shaft (9) is meshed with the outside of the drive rack (21). The output end of the drive motor is connected above the gear shaft (9). The drive motor is installed inside the smart water meter body (1). The battery cup (2) is rotatably installed inside the smart water meter body (1) through the connecting bearing ring (22).
3. The smart water meter housing with replaceable battery according to claim 1, characterized in that: The tail end of the limiting protrusion (8) is connected to the limiting groove by a spring, and the distance between adjacent surfaces of two sets of limiting protrusions (8) is equal to the thickness of the separator (3).
4. The smart water meter housing with replaceable battery according to claim 1, characterized in that: The locking assembly includes a locking rod (5), a locking block (51), and an anti-drop groove (64). The top of the locking rod (5) is fixed inside the main body (1) of the smart water meter. The locking rod (5) is located in the cavity in the middle of the partition frame (3). A rotating groove (31) is provided in the middle of the cavity of the partition frame (3). The rotating groove (31) is aligned with the anti-drop groove (64). The locking block (51) at the bottom of the locking rod (5) matches the quarter-rotating groove (31) and matches the anti-drop groove (64). The locking block (51) is aligned with the arc-shaped contact piece (10).
5. The smart water meter housing with replaceable battery according to claim 1, characterized in that: The assembly and disassembly components include a limiting slot (32), a first mounting slot (61), a second mounting slot (62), a mounting rod (7), and a rotating block (71). The limiting slot (32) is located on the side wall of the middle cavity at the bottom of the partition frame (3). The surface of the sealing bottom cover (6) is provided with the first mounting slot (61) and the second mounting slot (62). The outermost end of the mounting rod (7) extends into the arc-shaped sliding groove on the inner side wall of the battery cup (2). The mounting rod (7) is inserted into the limiting slot (32). The rotating block (71) is located at the inner end of the four sets of mounting rods (7).
6. The smart water meter housing with replaceable battery according to claim 5, characterized in that: The width of the mounting rod (7) is the same as that of the mounting slot one (61), and the thickness of the mounting rod (7) is the same as that of the mounting slot two (62).
Citation Information
Patent Citations
Intelligent water meter shell with replaceable battery
CN219551609U