Battery box cover and electric energy meter

By designing a battery cover that includes a cover body, a backup battery and a first connector, the problem of not completely shutting off the power supply when the backup battery is replaced is solved, reducing the risk of electric shock accidents and reducing maintenance costs.

CN222735257UActive Publication Date: 2025-04-08ZHEJIANG CHINT INSTR & METER
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Patent Information

Application Number
CN202421440142.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-08
Estimated Expiration
2034-06-21

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    Figure CN222735257U_ABST
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Abstract

The utility model provides a battery box cover and an electric energy meter, belonging to the technical field of electric energy meters, comprising: a box cover body and a backup battery, the box cover body is suitable for being installed on the whole meter, the backup battery is installed in the box cover body, a first connecting piece is provided on the box cover body, the first connecting piece is electrically connected to a plurality of backup batteries, the first connecting piece is suitable for being electrically connected to the whole meter, and the connection or disconnection between the first connecting piece and the whole meter is achieved by disassembling the box cover body; the utility model installs the backup battery in the box cover body, and the first connecting piece can be connected or disconnected from the whole meter as the box cover body is disassembled. When replacing the backup battery, the box cover body is removed, and the first connecting piece is disconnected from the whole meter. At this time, electric energy cannot be transmitted to the battery, and replacement is very safe, thereby reducing safety hazards.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric energy meters, in particular to a battery box cover and an electric energy meter. Background Art

[0002] For the convenience of users, the electronic energy meter has functions such as data display after power failure, infrared communication to read energy meter data, and user usage status monitoring after power failure. The power supply for this function is provided by the backup battery of the energy meter.

[0003] In the prior art, the backup battery is a replaceable battery. When the operator replaces the backup battery, if the power supply to the energy meter is not completely cut off, if the operator accidentally touches the two electrodes of the backup battery or the battery installation spring sheet with bare hands, an electric shock accident is likely to occur. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the defect in the prior art that if the power supply of the electric energy meter is not completely cut off, electric shock accidents may easily occur if the two electrodes of the backup battery or the battery mounting spring sheet are accidentally touched with bare hands, thereby providing a battery box cover and an electric energy meter.

[0005] In order to solve the above technical problems, the utility model provides a battery box cover, comprising: a box cover body, suitable for being installed on the whole meter;

[0006] A backup battery installed in the box cover body;

[0007] The box cover body is provided with a first connector, which is electrically connected to the plurality of backup batteries. The first connector is suitable for being electrically connected to the entire meter. The connection or disconnection between the first connector and the entire meter is achieved by disassembling the box cover body.

[0008] Optionally, the box cover body includes a battery box and a battery cover that are detachably connected, and the first connector and the backup battery are both arranged in the battery box.

[0009] Optionally, the first connecting piece is a quick-connect plug, and the entire meter has a quick-connect socket for plugging and connecting with the quick-connect plug.

[0010] Optionally, first card blocks protruding outward are respectively provided on two side surfaces of the quick-connect plug, and the battery cover has a first card slot for plugging with the first card block.

[0011] Optionally, the battery cover is provided with a second card block, and the battery box has a second card slot, and the connection between the battery box and the battery cover is achieved through the card engagement between the second card block and the second card slot.

[0012] Optionally, a second card block protruding inward is provided at the edge of the battery cover, the second card block is arranged on the side wall of the battery cover and extends inward, the second card block is parallel to the side opposite to the second card slot, and after the battery box is placed in the battery cover, the second card block is abutted and connected with the second card slot.

[0013] Optionally, a guide piece that is bent or inclined from the outside toward the inside is provided at the edge of the battery box, and the guide piece is suitable for slidingly cooperating with the entire watch.

[0014] Optionally, the guide member is an arc-shaped plate.

[0015] An electric energy meter comprises: a whole meter and a battery box cover as described in any one of the above schemes, wherein the whole meter has a receiving slot, a third clamping block is provided on the box cover body in the battery box cover, and the box cover body is installed in the whole meter by clamping the third clamping block and the receiving slot.

[0016] Optionally, the third card block is arranged at the edge of the box cover body and extends toward the direction of the whole watch, and both ends of the third card block have step structures respectively, and the side wall of the accommodating groove has a step-shaped third card slot, and the step structures at both ends of the third card block are inserted into the third card slot to realize the connection between the whole watch and the box cover body.

[0017] The technical solution of this utility model has the following advantages:

[0018] 1. The battery box cover provided by the utility model installs the spare battery in the box cover body. With the removal of the box cover body, the first connecting piece can be connected to or disconnected from the entire meter. When replacing the spare battery, the box cover body is removed and the first connecting piece is disconnected from the entire meter. At this time, electric energy cannot be transmitted to the battery, which is very safe during replacement, thereby reducing safety hazards.

[0019] 2. The battery box cover provided by the utility model separates the box cover body into two parts: the battery box and the battery cover. When one of the parts is damaged, only the corresponding part needs to be replaced without replacing all of them, thereby reducing maintenance costs.

[0020] 3. The battery box cover provided by the utility model can play a guiding role when the battery box cover is installed on the whole meter. The battery cover does not need to be completely aligned with the whole meter, which makes installation more convenient and improves assembly speed.

[0021] 4. The electric energy meter provided by the utility model ensures that the operator will not get an electric shock when replacing the battery by changing the installation position of the backup battery, thereby ensuring the personal safety of the operator and having good safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is a front view of an electric energy meter provided in a first embodiment of the utility model;

[0024] Figure 2 for Figure 1 Exploded diagram of

[0025] Figure 3 for Figure 2 A schematic diagram of the other side of the middle box cover body;

[0026] Figure 4 for Figure 3 Exploded view of the backup battery after it is hidden;

[0027] Figure 5 for Figure 2 A magnified image of area A;

[0028] Figure 6 for Figure 3 Magnified view of area B.

[0029] Description of reference numerals:

[0030] 1. Box cover body; 2. Whole meter; 3. Spare battery; 4. Battery box; 5. Battery cover; 6. Quick-connect plug; 7. Quick-connect socket; 8. First card block; 9. First card slot; 10. Second card block; 11. Second card slot; 12. Arc plate; 13. Accommodating slot; 14. Third card block; 15. Third card slot. DETAILED DESCRIPTION

[0031] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

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

[0034] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0035] like Figures 1 to 3 As shown, a specific implementation of the battery box cover provided in this embodiment includes: a box cover body 1 and a backup battery 3, the box cover body 1 is suitable for being installed on the whole meter 2, the backup battery 3 is installed in the box cover body 1, there are multiple backup batteries 3 arranged side by side, a first connecting piece is provided on the box cover body 1, the first connecting piece is electrically connected to the multiple backup batteries 3, the first connecting piece is suitable for being electrically connected to the whole meter 2, the connection or disconnection between the first connecting piece and the whole meter 2 is achieved by disassembling the box cover body 1. In this embodiment, the number of backup batteries 3 is four, the first connecting piece is connected to the whole meter 2 as the box cover body 1 is installed, and is disconnected from the whole meter 2 as the box cover body 1 is removed.

[0036] The battery box cover provided in this embodiment installs the backup battery 3 in the box cover body 1. As the box cover body 1 is disassembled, the first connecting member can be connected or disconnected from the entire meter 2. When replacing the backup battery 3, the box cover body 1 is removed and the first connecting member is disconnected from the entire meter 2. At this time, electric energy cannot be transmitted to the battery, which makes replacement very safe, thereby reducing safety hazards.

[0037] like Figure 3 , Figure 4As shown, in the battery box cover provided in this embodiment, the box cover body 1 includes a battery box 4 and a battery cover 5 that can be detachably connected. The first connecting member and the backup battery 3 are both arranged in the battery box 4. The battery box 4 is used to accommodate components, and the battery cover 5 is used to connect with the entire meter 2. When one of the components is damaged, it is only necessary to replace the corresponding component without replacing all of them, thereby reducing maintenance costs.

[0038] like Figures 2 to 4 As shown, in the battery box cover provided in this embodiment, the first connecting member is a quick-connect plug 6, and the entire meter 2 has a quick-connect socket 7 for plugging with the quick-connect plug 6. Through the cooperation of the quick-connect plug 6 and the quick-connect socket 7, the electric energy of the backup battery 3 can be transmitted to the entire meter 2, thereby realizing the connectivity of the circuit. In addition, as a replaceable implementation, the first connecting member can also be a quick-connect socket 7, and the entire meter 2 is provided with a quick-connect plug 6 for plugging with the quick-connect socket 7.

[0039] like Figure 3 , Figure 6 As shown, in the battery box cover provided by this embodiment, first card blocks 8 protruding outward are respectively provided on both sides of the quick-connect plug 6, and the first card blocks 8 are rectangular blocks. The battery cover 5 has a first card slot 9 for plugging with the first card block 8, and the first card slot 9 is a rectangular slot. The first card block 8 and the first card slot 9 can fix the quick-connect plug 6, making the quick-connect plug 6 more stable. In addition, as an alternative embodiment, the first card slots 9 can also be respectively provided on both sides of the quick-connect plug 6, and the first card block 8 is provided on the battery cover 5.

[0040] like Figure 3 , Figure 4 As shown, in the battery box cover provided by this embodiment, the battery cover 5 is provided with a second clamping block 10, and the battery box 4 has a second clamping slot 11. The second clamping block 10 and the second clamping slot 11 are clamped together to realize the connection between the battery box 4 and the battery cover 5. Since the clamped parts are fixed on the battery box 4 and the battery cover 5, there is no need to worry about the problem of parts being lost during the disassembly process, and the disassembly is more convenient. In addition, as an alternative embodiment, the battery box 4 and the battery cover 5 can also be connected by bolts, a through hole is provided in one of the parts, and a threaded hole is provided in the other part. The bolt passes through the through hole and is threadedly connected with the threaded hole, so that the battery box 4 and the battery cover 5 are installed together.

[0041] like Figure 3 , Figure 4As shown, in the battery box cover provided by this embodiment, the second card block 10 is arranged at the edge of the battery cover 5 and extends inward, the second card block 10 is parallel to the side opposite to the second card slot 11, and the second card block 10 is abutted and connected with the second card slot 11 after the battery box 4 is placed in the battery cover 5, the cross section of the second card block 10 is triangular, and the edge position of the second card block 10 is convex, and due to the large height, it can be deformed. When installing, first move the second card block 10 outward, then place the battery box 4 in the corresponding position, release the second card block 10, and the second card block 10 returns to its original position to achieve the card connection with the second card slot 11. In addition, as an alternative embodiment, the second card slot 11 can also be opened in the battery cover 5, and the second card block 10 can be set on the battery box 4.

[0042] like Figure 3 , Figure 4 As shown, in the battery box cover provided in this embodiment, the edge of the battery box 4 is provided with a guide member that is bent or inclined from the outside toward the inside, and the guide members are symmetrically distributed. The guide members are suitable for sliding cooperation with the entire meter 2. The guide members can play a guiding role. The battery cover 5 does not need to be completely aligned with the entire meter 2, which makes installation more convenient and improves assembly speed.

[0043] like Figure 3 , Figure 4 As shown, in the battery box cover provided in this embodiment, the guide member is an arc plate 12. When installing, the arc plate 12 can slide along the inner wall of the receiving groove 13, thereby moving the box cover body 1 to the installation position, which is very convenient for installation. In addition, as an alternative embodiment, the guide member can also be an inclined rectangular plate.

[0044] In addition, if Figure 1 , Figure 2 As shown, this embodiment also provides an electric energy meter, including: a whole meter 2 and the above-mentioned battery box cover, the whole meter 2 has a receiving groove 13, and a third clamping block 14 is provided on the box cover body 1 in the battery box cover, and the box cover body 1 is installed in the whole meter 2 by the clamping fit between the third clamping block 14 and the receiving groove 13.

[0045] The electric energy meter provided in this embodiment ensures that the operator will not get an electric shock when replacing the battery by changing the installation position of the backup battery 3, thereby ensuring the personal safety of the operator and having good safety.

[0046] like Figure 2 , Figure 5 As shown, in the electric energy meter provided in this embodiment, the third card block 14 is arranged at the edge of the box cover body 1 and extends toward the direction of the entire meter 2, and the two ends of the third card block 14 respectively have a step structure, and the side wall of the accommodating groove 13 has a third card slot 15 in a step shape, and the step structure at both ends of the third card block 14 is inserted into the third card slot 15 to realize the connection between the entire meter 2 and the box cover body 1.

[0047] The steps for replacing the backup battery of the electric energy meter provided in this embodiment are as follows:

[0048] First, move the two third card blocks 14 to separate the third card blocks 14 from the third card slots 15. At this time, the box cover body 1 can be taken out from the whole meter 2, and the quick-connect plug 6 and the quick-connect socket 7 are also separated. Electric energy cannot be transmitted between the box cover body 1 and the whole meter 2, and then the operator can directly replace the backup battery 3.

[0049] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the present utility model.

Claims

1. A battery box cover, characterized in that: include: The box cover body (1) is suitable for being installed on the whole table (2); A backup battery (3) installed in the box cover body (1); The box cover body (1) is provided with a first connecting piece, the first connecting piece is electrically connected to the plurality of backup batteries (3), the first connecting piece is suitable for being electrically connected to the entire meter (2), and the connection or disconnection between the first connecting piece and the entire meter (2) is achieved by disassembling the box cover body (1).

2. The battery box cover according to claim 1, characterized in that: The box cover body (1) comprises a detachably connected battery box (4) and a battery cover (5), and the first connecting member and the backup battery (3) are both arranged in the battery box (4).

3. The battery box cover according to claim 1, characterized in that: The first connecting piece is a quick-connect plug (6), and the entire meter (2) has a quick-connect socket (7) for plugging and connecting with the quick-connect plug (6).

4. The battery box cover according to claim 3, characterized in that: The two side surfaces of the quick-connect plug (6) are respectively provided with first card blocks (8) protruding outwards, and the battery cover (5) has a first card slot (9) for plugging with the first card block (8).

5. The battery box cover according to claim 2, characterized in that: The battery cover (5) is provided with a second card block (10), and the battery box (4) has a second card slot (11), and the connection between the battery box (4) and the battery cover (5) is achieved through the card-jointing cooperation between the second card block (10) and the second card slot (11).

6. The battery box cover according to claim 5, characterized in that: The second card block (10) is arranged on the side wall of the battery cover (5) and extends inwardly, and the second card block (10) and the second card slot (11) are parallel to each other on a side surface opposite to each other. After the battery box (4) is placed in the battery cover (5), the second card block (10) is abutted and connected with the second card slot (11).

7. The battery box cover according to any one of claims 2 to 6, characterized in that: A guide piece is provided at the edge of the battery box (4) and is bent or inclined from the outside toward the inside. The guide piece is suitable for slidingly matching with the entire watch (2).

8. The battery box cover according to claim 7, characterized in that: The guide member is an arc-shaped plate (12).

9. An electric energy meter, characterized in that: include: A whole meter (2) and a battery box cover as described in any one of claims 1 to 8, wherein the whole meter (2) has a receiving groove (13), and a third clamping block (14) is provided on the box cover body (1) in the battery box cover, and the box cover body (1) is installed in the whole meter (2) by the clamping fit between the third clamping block (14) and the receiving groove (13).

10. The electric energy meter according to claim 9, characterized in that: The third clamping block (14) is arranged at the edge of the box cover body (1) and extends toward the direction of the whole watch (2). The two ends of the third clamping block (14) respectively have step structures. The side wall of the accommodating groove (13) has a third clamping groove (15) in the shape of a step. The step structures at the two ends of the third clamping block (14) are inserted into the third clamping groove (15) to realize the connection between the whole watch (2) and the box cover body (1).