Battery box structure and electric energy meter with same

By setting a plug-in structure and a baffle between the battery box and the battery cover, the problem of the wiring harness being squeezed during the installation of the battery box is solved, and a safe and reliable connection of the battery box is achieved.

CN223583120UActive Publication Date: 2025-11-21ZHEJIANG CHINT INSTR & METER
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Patent Information

Application Number
CN202520216601.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-11-21
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

The existing battery box structure is prone to being squeezed or crushed when the top cover is installed due to the excessive freedom of the battery wires, resulting in leakage.

Method used

A battery box structure was designed, including a plug-in structure between the battery box and the battery cover and a baffle. Through the cooperation of the plug-in block and the arc groove, the baffle gathers the wire harness when the battery cover rotates, preventing the wire harness from being squeezed.

Benefits of technology

This effectively avoids squeezing and crushing of the wiring harness during battery cover installation, ensuring the sealing and safety of the battery box and preventing leakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a battery box structure and an electric energy meter with the same, the battery box structure comprises a battery box and a battery cover covering the battery box, and an accommodating cavity used for accommodating a battery structure is arranged between the battery box and the battery cover. The battery structure comprises a battery body, a battery interface and a wire harness located between the battery body and the battery interface, a baffle is arranged on the battery cover, the battery cover is provided with a first position inserted into the containing cavity and a second position rotating towards the side close to the battery interface, and when the battery cover rotates to the second position from the first position, the battery cover can rotate towards the battery interface. And the baffle plate can bundle the wire harness to move towards one side close to the battery interface. The battery box structure can overcome the defect in the prior art that the upper cover is easy to crush or crush when the battery box combination is mounted due to over-high degree of freedom of the battery wire when the upper cover is mounted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy meter, concretely relates to a battery box structure and electric energy meter with the battery box structure. BACKGROUND

[0002] The external battery is usually arranged in the electric energy meter, so that the electric energy meter is continuously powered and part of the function of the electric energy meter is maintained after the system power failure, and the MCU is facilitated to report the power failure event by powering the main chip.

[0003] In the prior art, the utility model patent with the patent number CN212113773U discloses a battery box structure and electric energy meter with the battery box structure, the battery box comprises an upper cover and a lower shell, and the battery is installed in the shell body, and the upper cover is arranged on the lower shell, the connecting structure is easy to be squeezed or crushed when the upper cover is installed due to the high degree of freedom of the battery wire during the installation of the battery box combination. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model solves the technical problem that the upper cover is easy to be squeezed or crushed when installed due to the high degree of freedom of the battery wire during the installation of the battery box combination in the prior art, and provides a battery box structure and electric energy meter with the battery box structure, which can bundle the wires during the installation of the upper cover.

[0005] Therefore, the utility model provides a battery box structure, which comprises a battery box and a battery cover arranged on the battery box, a containing cavity for containing a battery structure is arranged between the battery box and the battery cover, the battery structure comprises a battery body, a battery interface and a wire harness located between the battery body and the battery interface, a baffle is arranged on the battery cover, the battery cover has a first position inserted into the containing cavity and a second position rotated towards the side close to the battery interface, and the baffle can bundle the wire harness to move towards the side close to the battery interface when the battery cover is rotated from the first position to the second position.

[0006] Further, at least one plug-in structure is arranged between the battery box and the battery cover, the plug-in structure comprises a plug-in block arranged on one of the battery box or the battery cover and an arc-shaped groove arranged on the other side, which can be matched with the plug-in block and enable the plug-in block to rotate in the arc-shaped groove.

[0007] Further, two plug-in structures are arranged, the plug-in block is arranged on the battery cover, the arc-shaped groove is arranged on the battery box, a plug-in groove is further arranged on the side wall of the battery box for inserting the plug-in block and enabling the plug-in block to enter the arc-shaped groove, and a limiting protrusion is arranged on the arc-shaped groove for positioning the plug-in block in the arc-shaped groove.

[0008] Further, the battery box comprises a first accommodating cavity accommodating the battery body and a second accommodating cavity accommodating the battery interface, and a space for the wire harness to pass through is arranged between the first accommodating cavity and the second accommodating cavity; the battery cover comprises a first cover plate covering the first accommodating cavity and a second cover plate covering the second accommodating cavity, the first cover plate and the second cover plate are integrally formed, the baffle is arranged at the lower end surface of the second cover plate, and the plug-in structure is arranged at the connection between the first cover plate and the first accommodating cavity.

[0009] Further, the battery cover is provided with a finger holding position for separating the battery cover from the battery box, the battery cover is provided with an extension ring capable of being inserted into the accommodating cavity, the extension ring is provided with an avoiding opening for avoiding the wire harness, arc-shaped chamfers for preventing the wire harness from being squeezed are arranged at both sides of the avoiding opening, and the plug-in block is arranged on the extension ring.

[0010] Further, the side wall of the first accommodating cavity is provided with an opening for clamping the battery body, and an avoiding groove for avoiding the wire harness is arranged at the side of the opening.

[0011] An electric energy meter comprises a battery box structure, and the electric energy meter comprises a shell and a battery cavity arranged on the shell, a guide assembly is arranged between the battery box and the battery cavity, the guide assembly comprises a guide plate arranged on one of the battery box and the battery cavity and a guide groove arranged on the other and matched with the guide plate.

[0012] Further, the guide groove is arranged on the side wall of the battery box, and the guide plate is arranged on the inner side wall of the battery cavity.

[0013] Further, the battery box is arranged in the battery cavity, a tail cover is arranged above the battery cavity, a support abutting against the battery cover is arranged on the side of the tail cover opposite to the battery box, and fastening nails are arranged between the tail cover and the shell.

[0014] Further, a PCB board is further arranged, the PCB board is provided with an embedding groove avoiding the battery box, the battery interface comprises female plug-in terminals arranged on the PCB board and male plug-in terminals connected with the wire harness, and a foolproof structure is arranged between the male plug-in terminals and the female plug-in terminals.

[0015] The technical scheme of the utility model has the following advantages:

[0016] 1.The utility model provides a kind of battery box structure and the electric energy meter with the battery box structure of this, when installing, battery body needs to be placed to the accommodating cavity of battery box, then battery interface is connected with the part on electric energy meter, then battery cover is set on battery box, compared with prior art, battery cover is set on battery box after, battery cover needs to rotate clockwise, during rotating process, that is, when rotating from first position to second position, the baffle on battery cover will bunch up unrestrained wiring harness, and make wiring harness concentrate and move to the side close to battery interface, to effectively avoid that wiring harness is not constrained, battery cover is broken or pressed when down, leading to leakage.

[0017] 2.The utility model provides a kind of battery box structure and the electric energy meter with the battery box structure of this, when installing battery cover, need to insert the plug -in block into arc slot, then rotate battery cover, when battery cover rotates from first position to second position, plug -in block will rotate from the end of one side of arc slot to the end of other side, and the baffle on battery cover will bunch up unrestrained wiring harness. DRAWINGS

[0018] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0019] Figure 1 It is the overall structure schematic diagram of battery box structure;

[0020] Figure 2 It is the overall structure schematic diagram of battery cover;

[0021] Figure 3 It is the overall structure schematic diagram of battery box;

[0022] Figure 4 It is the cross section structure schematic diagram of battery box structure;

[0023] Figure 5 It is another cross section structure schematic diagram of battery box structure;

[0024] Figure 6 It is the structure schematic diagram of battery compartment;

[0025] Figure 7 It is the overall structure schematic diagram of battery box structure;

[0026] Figure 8 It is the position relation diagram of tail cover and battery cover;

[0027] Figure 9 It is a structural schematic view of the electric energy meter;

[0028] Figure 10 It is a position relation diagram of the battery box structure and the PCB board;

[0029] Figure 11 It is a rear structural schematic view of the electric energy meter removing the tail cover;

[0030] Figure 12 It is Figure 11 It is an enlarged view of A part.

[0031] Mark explanation:

[0032] 1, battery box; 101, first containing room; 102, second containing room; 11, battery cover; 111, first cover plate; 112, second cover plate; 12, containing cavity; 13, buckle position; 14, extension ring; 15, avoidance mouth; 16, arc chamfer; 2, battery structure; 21, battery body; 22, battery interface; 221, female plug terminal; 222, male plug terminal; 23, wire harness; 24, baffle; 25, foolproof structure; 3, plug-in structure; 31, plug-in block; 32, arc slot; 33, insertion slot; 34, limiting protrusion; 4, opening; 41, avoidance slot; 5, shell; 51, battery compartment; 6, guide assembly; 61, guide plate; 62, guide slot; 7, tail cover; 71, support; 72, fastening nail; 8, PCB board; 9, embedded slot. Specific implementation

[0033] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0034] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0036] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict between them.

[0037] Embodiment

[0038] The embodiment provides a battery box structure, including battery box 1 and the battery cover 11 of battery cover 1, the containing cavity 12 for containing battery structure 2 is arranged between battery box 1 and battery cover 11, battery structure 2 includes battery body 21, battery interface 22 and the wire harness 23 between battery body 21 and battery interface 22, the baffle 24 is arranged on the battery cover 11, the battery cover 11 has the first position of insertion containing cavity 12 and the second position of rotating towards the side close to battery interface 22, when the battery cover 11 is rotated from the first position to the second position, the baffle 24 can bundle the wire harness 23 and move towards the side close to battery interface 22.

[0039] The specific improvement is that, as shown in the figure, when installing, the battery body 21 needs to be placed into the containing cavity 12 of the battery box 1, then the battery interface 22 is connected with the parts on the electric energy meter, and then the battery cover 11 is covered on the battery box 1. Figures 1-3 Compared with the prior art, after the battery cover 11 is covered on the battery box 1, the battery cover 11 needs to be rotated clockwise, and during the rotating process, that is, from the first position to the second position, the baffle 24 on the battery cover 11 bundles the wire harness 23 without constraint and makes the wire harness 23 move towards the side close to the battery interface 22, thereby effectively avoiding that the wire harness 23 is crushed or broken when the battery cover 11 is covered downward due to the fact that the wire harness 23 is not constrained, and causing electric leakage.

[0040] On the basis of the above embodiment: at least one plug-in structure 3 is arranged between the battery box 1 and the battery cover 11, the plug-in structure 3 includes a plug-in block 31 arranged on one of the battery box 1 or the battery cover 11 and an arc-shaped slot 32 arranged on the other side, which can be matched with the plug-in block 31 and can make the plug-in block 31 rotate inside.

[0041] The specific improvement is that, as shown in the figure, when installing, the battery body 21 needs to be placed into the containing cavity 12 of the battery box 1, then the battery interface 22 is connected with the parts on the electric energy meter, and then the battery cover 11 is covered on the battery box 1. Figures 1-3As shown, when the battery cover 11 is installed, the plug-in block 31 needs to be inserted into the arc-shaped slot 32, and then the battery cover 11 is rotated, and when the battery cover 11 is rotated from the first position to the second position, the plug-in block 31 will be rotated from one end of the arc-shaped slot 32 to the other end, and the baffle 24 on the battery cover 11 will bundle the wire harness 23 that is not constrained.

[0042] On the basis of the above embodiment: the plug-in structure 3 is provided with two, the plug-in block 31 is arranged on the battery cover 11, the arc-shaped slot 32 is arranged on the battery box 1, the side wall of the battery box 1 is further provided with a plug-in slot 33 for inserting the plug-in block 31 and making the plug-in block 31 enter the arc-shaped slot 32, and the arc-shaped slot 32 is provided with a limiting block 34 for positioning the plug-in block 31 inside the arc-shaped slot 32.

[0043] The specific improvement is that: Figure 1 As shown, when the battery cover 11 is installed on the battery box 1, the plug-in block 31 will enter the arc-shaped slot 32 through the plug-in slot 33, and when the battery cover 11 is rotated, the plug-in block 31 will move from the side provided with the plug-in slot 33 to the side away from the plug-in slot 33 until the plug-in block 31 passes the limiting block 34, so as to effectively avoid the problem that the plug-in block 31 is separated from the plug-in slot 33, thereby causing the battery cover 11 and the battery box 1 to be separated.

[0044] On the basis of the above embodiment: the battery box 1 includes a first containing bin 101 containing the battery body 21 and a second containing bin 102 containing the battery interface 22, and the first containing bin 101 and the second containing bin 102 have a space for the wire harness 23 to pass through, the battery cover 11 includes a first cover plate 111 covering the first containing bin 101 and a second cover plate 112 covering the second containing bin 102, the first cover plate 111 and the second cover plate 112 are integrally formed, the baffle 24 is arranged at the lower end surface position of the second cover plate 112, and the plug-in structure 3 is arranged at the connection between the first cover plate 111 and the first containing bin 101.

[0045] The specific improvement is that: Figure 4As shown, the battery box 1 has a first receiving compartment 101 and a second receiving compartment 102. The battery body 21 is installed in the first receiving compartment 101. After the battery body 21 is installed, the battery interface 22 is installed in the second receiving compartment 102. This can effectively fix the battery body 21 and the battery interface 22, preventing dust and other impurities from entering the receiving cavity 12. A first cover plate 111 is provided above the first receiving compartment 101, and a second cover plate 112 is provided above the second receiving compartment 102. The first cover plate 111 and the second cover plate 112 are integrally formed. A baffle 24 is provided on the lower end face of the second cover plate 112. When the battery cover 11 is placed on the battery box 1, the plug block 31 will enter the arc groove 32 from the slot 33. Then the battery cover 11 rotates clockwise. While the plug block 31 moves from one end of the arc groove 32 to the other end, it can drive the baffle 24 to rotate. During the rotation of the baffle 24, the wire harness 23 is gathered.

[0046] Based on the above embodiments: the battery cover 11 is provided with a handle 13 for fingers to grip and separate the battery cover 11 from the battery box 1; the battery cover 11 is provided with an extension ring 14 that can be inserted into the receiving cavity 12; the extension ring 14 is provided with a clearance opening 15 to avoid the wire harness 23; the clearance opening 15 is provided with arc-shaped chamfers 16 on both sides to prevent the wire harness 23 from being squeezed; and the plug block 31 is provided on the extension ring 14.

[0047] The specific improvements mentioned above are as follows: Figure 2 and Figure 7 As shown, the battery cover 11 has handles 13 on both sides to facilitate the removal of the battery cover 11 for battery replacement. During the removal process, the battery cover 11 and the battery box 1 will be removed together to prevent the operator from getting an electric shock when inserting or removing the battery.

[0048] Based on the above embodiments: the first receiving compartment 101 has an opening 4 on its side wall for the battery body 21 to be inserted, and the side of the opening 4 has a relief groove 41 for avoiding the protruding wire harness 23.

[0049] The specific improvements mentioned above are as follows: Figure 3 As shown, after the part where the wire harness 23 connects to the battery body 21 is encapsulated, the connection part is in a protruding state. In order to prevent the battery box 1 from crushing this part, a relief groove 41 is provided at the opening 4 to avoid the protruding part.

[0050] An electricity meter includes a housing 5 and a battery compartment 51 disposed on the housing 5. A guide component 6 is disposed between the battery box 1 and the battery compartment 51. The guide component 6 includes a guide plate 61 disposed on one of the battery box 1 or the battery compartment 51 and a guide groove 62 disposed on the other and adapted to the guide plate 61.

[0051] On the basis of the above embodiment: the guide groove 62 is opened on the side wall of the battery box 1, and the guide plate 61 is arranged on the inner side wall of the battery compartment 51.

[0052] The specific improvement is that, as shown in Figures 5-7 The electric energy meter includes a shell 5 and a battery compartment 51 opened on the shell 5. During installation, the battery body 21 needs to be placed into the battery box 1, and then the battery cover 11 is covered on the battery box 1. The battery body 21 is connected to the battery interface 22 through the wire harness 23. The battery interface 22 is exposed outside and connected to the parts of the electric energy meter. Finally, the installed battery box 1 and battery cover 11 are installed into the battery compartment 51. When the battery box 1 is installed into the battery compartment 51, the guide groove 62 on the battery box 1 needs to be aligned with the guide plate 61 in the battery compartment 51, which facilitates the installation of the battery box 1 into the battery compartment 51 and the subsequent connection of the battery interface 22 to the electric energy meter, and ensures the assembly accuracy.

[0053] On the basis of the above embodiment: the battery box 1 is located in the battery compartment 51, and the tail cover 7 is covered on the top of the battery compartment 51. The tail cover 7 is arranged on the side opposite to the battery box 1 and abuts against the support column 71 on the battery cover 11. The tail cover 7 is connected to the shell 5 by the fastening nails 72.

[0054] The specific improvement is that, as shown in Figure 8 and Figure 9 After the battery box 1 is installed into the battery compartment 51, the tail cover 7 is covered on the outside of the battery box 1. When the tail cover 7 is assembled, it will press the battery cover 11, and then the fastening nails 72 are screwed in to ensure that they will not fall off during use.

[0055] On the basis of the above embodiment: it further includes a PCB board 8, the PCB board 8 is arranged with an embedded groove 9 avoiding the battery box 1. The battery interface 22 includes a female plug terminal 221 arranged on the PCB board 8 and a male plug terminal 222 connected to the wire harness 23. The male plug terminal 222 and the female plug terminal 221 are arranged with a foolproof structure 25.

[0056] The specific improvement is that, as shown in Figures 10-12 The battery interface 22 includes a male plug terminal 222 and a female plug terminal 221. The side wall of the battery box 1 is arranged with a clamping block for clamping the male plug terminal 222. During installation, the male plug terminal 222 is fixed in the clamping block, and the female plug terminal 221 is fixed on the PCB board 8. The male plug terminal 222 and the female plug terminal 221 are arranged with a foolproof structure 25 to prevent them from being inserted in reverse.

[0057] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be enumerated. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A battery box structure, characterized in that: The battery includes a battery box (1) and a battery cover (11) covering the battery box (1). There is a receiving cavity (12) between the battery box (1) and the battery cover (11) for accommodating a battery structure (2). The battery structure (2) includes a battery body (21), a battery interface (22), and a wire harness (23) located between the battery body (21) and the battery interface (22). A baffle (24) is provided on the battery cover (11). The battery cover (11) has a first position that is inserted into the receiving cavity (12) and a second position that rotates toward the side closer to the battery interface (22). When the battery cover (11) rotates from the first position to the second position, the baffle (24) can gather the wire harness (23) and move it toward the side closer to the battery interface (22).

2. The battery box structure according to claim 1, characterized in that: At least one plug-in structure (3) is provided between the battery box (1) and the battery cover (11). The plug-in structure (3) includes a plug-in block (31) disposed on one of the battery box (1) or the battery cover (11) and an arc-shaped groove (32) disposed on the other, which can be adapted to the plug-in block (31) and allows the plug-in block (31) to rotate inside it.

3. The battery box structure according to claim 2, characterized in that: The plug-in structure (3) is provided in two parts. The plug-in block (31) is provided on the battery cover (11), and the arc groove (32) is provided on the battery box (1). The side wall of the battery box (1) is also provided with a slot (33) for the plug-in block (31) to be inserted and for the plug-in block (31) to enter the arc groove (32). The arc groove (32) is provided with a limiting protrusion (34) for positioning the plug-in block (31) inside the arc groove (32).

4. A battery box structure according to claim 2 or 3, characterized in that: The battery box (1) includes a first receiving compartment (101) for accommodating the battery body (21) and a second receiving compartment (102) for accommodating the battery interface (22). There is a space between the first receiving compartment (101) and the second receiving compartment (102) for the wire harness (23) to pass through. The battery cover (11) includes a first cover plate (111) covering the first receiving compartment (101) and a second cover plate (112) covering the second receiving compartment (102). The first cover plate (111) and the second cover plate (112) are integrally formed. The baffle (24) is located at the lower end face of the second cover plate (112). The plug-in structure (3) is located at the connection between the first cover plate (111) and the first receiving compartment (101).

5. A battery box structure according to claim 4, characterized in that: The battery cover (11) is provided with a grip (13) for fingers to hold and separate the battery cover (11) from the battery box (1). The battery cover (11) is provided with an extension ring (14) that can be inserted into the receiving cavity (12). The extension ring (14) is provided with a clearance opening (15) for avoiding the wire harness (23). The clearance opening (15) is provided with arc-shaped chamfers (16) on both sides to prevent the wire harness (23) from being squeezed. The plug block (31) is provided on the extension ring (14).

6. The battery box structure according to claim 5, characterized in that: The first receiving compartment (101) has an opening (4) on its side wall for inserting the battery body (21), and a clearance groove (41) is provided on the side of the opening (4) for avoiding the protruding wire harness (23).

7. An electricity meter, characterized in that: The energy meter includes the battery box structure described in any one of claims 1-6, and includes a housing (5) and a battery compartment (51) disposed on the housing (5). A guide component (6) is disposed between the battery box (1) and the battery compartment (51). The guide component (6) includes a guide plate (61) disposed on one of the battery box (1) or the battery compartment (51) and a guide groove (62) disposed on the other and adapted to the guide plate (61).

8. An electricity meter according to claim 7, characterized in that: The guide groove (62) is formed on the side wall of the battery box (1), and the guide plate (61) is set on the inner side wall of the battery compartment (51).

9. An electricity meter according to claim 8, characterized in that: The battery box (1) is located inside the battery compartment (51). The battery compartment (51) is covered with a tail cover (7). The tail cover (7) is provided with a support (71) on the side opposite to the battery box (1) and abuts against the battery cover (11). The tail cover (7) is connected to the housing (5) by fastening nails (72).

10. An electricity meter according to claim 9, characterized in that: It also includes a PCB board (8), on which a groove (9) is provided to avoid the battery box (1). The battery interface (22) includes a female terminal (221) provided on the PCB board (8) and a male terminal (222) connected to the wire harness (23). A foolproof structure (25) is provided between the male terminal (222) and the female terminal (221).

Citation Information

Patent Citations

  • Battery box structure and electric energy meter with battery box structure

    CN212113773U