Lead sealing battery box structure of electric energy meter

Abstract

The utility model provides a lead sealing battery box structure of an electric energy meter, which comprises a battery assembly, the battery assembly comprises a hollow battery compartment, a battery box arranged in the battery compartment and a battery structure arranged in the battery box, and a lead sealing structure is arranged between the battery compartment and the battery box. The lead seal battery box structure can overcome the defect that in the prior art, in the actual use process, anyone can dismantle the battery illegally, and therefore normal use of an electricity meter is affected.

Description

Technical Field

[0001] This utility model relates to the field of electricity meter technology, specifically to a lead-sealed battery box structure for an electricity meter. Background Technology

[0002] Electricity meters play an important role in power systems as a type of electricity metering instrument. In the prior art, a utility model patent with publication number CN210155185U discloses an electricity meter that includes a PCB motherboard and a battery connected to it. The battery is located outside the top cover. Although the battery can supply power to the electricity meter, in actual use, anyone can illegally remove the battery, thereby affecting the normal use of the electricity meter. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is to overcome the defect in the prior art that anyone can illegally remove the battery during actual use, thereby affecting the normal use of the meter, and thus provide a lead-sealed battery box structure for an energy meter that can lead-seal the battery.

[0004] Therefore, this utility model provides a lead-sealed battery box structure for an electricity meter, including a battery assembly. The battery assembly includes a hollow battery compartment, a battery box installed inside the battery compartment, and a battery structure installed inside the battery box. A lead-sealed structure is provided between the battery compartment and the battery box.

[0005] Furthermore: the lead seal structure includes a first lead seal hole provided on the battery compartment and a second lead seal hole provided on the battery box, the first lead seal hole and the second lead seal hole are interconnected and sealed with lead seal rope.

[0006] Furthermore: it includes a base and an upper cover that fits with the base to close the base. The upper cover includes a first cover plate covering the energy meter and a second cover plate covering the battery assembly. A first waterproof structure for preventing water from entering the battery compartment is provided between the first cover plate and the second cover plate. The first waterproof structure includes a first waterproof groove provided on one of the first cover plate or the second cover plate and a first waterproof strip provided on the other and adapted to the first waterproof groove.

[0007] Furthermore: the battery box includes a housing for accommodating the battery structure and a cover integrally formed on top of the housing. The housing and the cover together form a second waterproof structure to prevent water from contacting the battery structure. The side of the cover is provided with at least one handle position. The second lead-sealed hole passes through the cover and the housing and communicates with the first lead-sealed hole.

[0008] Furthermore, the battery compartment is provided with a groove that is compatible with the locking hand.

[0009] Furthermore: the battery structure includes a battery element, a battery interface, and a wiring harness connecting the two. The side of the housing facing away from the cover is provided with an elastic opening for the battery element to be inserted. The side of the housing with the battery structure is provided with an isolation compartment. A space for the wiring harness to pass through is provided between the housing and the battery compartment. A slot for the battery interface to be inserted is provided below the isolation compartment.

[0010] Furthermore, the isolation compartment is also equipped with an elastic buckle that can abut against the battery interface after the battery interface is inserted into the slot.

[0011] Furthermore: the battery interface includes a male terminal interface and a female terminal interface adapted to the male terminal interface, and a foolproof structure between the male terminal interface and the female terminal interface.

[0012] Furthermore, the foolproof structure includes a foolproof protrusion disposed on one of the male or female interfaces and a foolproof groove disposed on the other and adapted to the foolproof protrusion.

[0013] Furthermore, the second cover plate is connected to the first cover plate by fastening screws.

[0014] The technical solution of this utility model has the following advantages:

[0015] 1. This utility model provides a lead-sealed battery box structure for an electricity meter. During installation, the battery structure can be installed inside the battery box, and then the entire battery box can be installed inside the battery compartment. After installation, a lead-sealing structure is installed on the battery compartment and the battery box. The lead-sealing structure can be achieved by covering the through holes of the battery compartment and the battery box with a lead-sealing cover, or by setting through holes on both the battery compartment and the battery box, and then passing a lead-sealing rope through the two through holes for lead sealing. After the lead sealing is completed, the top cover is finally placed on the outside of the battery box to achieve coverage. This is superior to the existing technology. The lead-sealing structure is located between the battery compartment and the battery box, and the sealed battery box cannot be opened. This can effectively prevent non-electrical personnel from illegally removing the battery, which would affect the normal use of the electricity meter when there is no external battery.

[0016] 2. The present invention provides a lead-sealed battery box structure for an electricity meter. The lead-sealing structure includes a first lead-sealing hole and a second lead-sealing hole. The first lead-sealing hole is located on the battery compartment, and the second lead-sealing hole is located on the battery box. The first lead-sealing hole and the second lead-sealing hole are connected and sealed by a lead-sealing rope. This can prevent non-electrical personnel from opening the battery box without authorization and affecting the normal use of the electricity meter. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of an electricity meter;

[0019] Figure 2 A schematic diagram of the structure for removing the second cover plate from an electricity meter;

[0020] Figure 3 for Figure 2 Enlarged view of section A in the middle;

[0021] Figure 4 A schematic diagram of the battery compartment structure for housing batteries;

[0022] Figure 5 This is a schematic diagram of the connection structure between the second cover plate and the battery box.

[0023] Figure 6 This is a schematic diagram showing the connection between the battery box and the battery structure;

[0024] Figure 7 This is another schematic diagram showing the connection between the battery box and the battery structure.

[0025] Figure 8 This is a schematic diagram of the cross-sectional structure of an electricity meter.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Base; 11. Top cover; 12. First cover plate; 13. Second cover plate; 14. First waterproof structure; 15. First waterproof groove; 16. First waterproof strip; 2. Battery assembly; 21. Battery compartment; 211. Receptacle; 212. Cover; 22. Battery box; 23. Battery structure; 231. Battery element; 232. Battery interface; 233. Wiring harness; 24. Second waterproof structure; 25. Handle position; 26. Insert groove; 3. Lead seal structure; 31. First lead seal hole; 32. Second lead seal hole; 4. Flexible opening; 5. Isolation compartment; 51. Flexible buckle; 6. Slot; 7. Male interface; 71. Female interface; 8. Foolproof structure; 81. Foolproof protrusion; 82. Foolproof groove; 9. Fastening pin. Detailed Implementation

[0028] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," 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 do not 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of 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.

[0031] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0032] Example

[0033] This embodiment provides a lead-sealed battery box structure for an electricity meter, including a battery assembly 2. The battery assembly 2 includes a hollow battery compartment 21, a battery box 22 installed inside the battery compartment 21, and a battery structure 23 installed inside the battery box 22. A lead-sealed structure 3 is provided between the battery compartment 21 and the battery box 22.

[0034] The specific improvements mentioned above are as follows: Figures 1-3As shown, during installation, the battery structure 23 can be installed into the battery box 22, and then the entire battery box 22 can be installed into the battery compartment 21. After installation, the lead seal structure 3 is installed on the battery compartment 21 and the battery box 22. The lead seal structure 3 can be sealed by covering the through holes of the battery compartment 21 and the battery box 22 with a lead seal cover, or through holes can be set on both the battery compartment 21 and the battery box 22, and then the lead seal rope is passed through the two through holes for lead sealing. After the lead sealing is completed, the top cover 11 is finally placed on the outside of the battery box 22 to achieve coverage. This is superior to the existing technology. The lead seal structure 3 is set between the battery compartment 21 and the battery box 22. The sealed battery box 22 cannot be opened, which can effectively prevent non-electric personnel from illegally removing the battery, which would affect the normal use of the meter when there is no external battery.

[0035] Based on the above embodiments: the lead seal structure 3 includes a first lead seal hole 31 provided on the battery compartment 21 and a second lead seal hole 32 provided on the battery box 22. The first lead seal hole 31 and the second lead seal hole 32 are interconnected and sealed with lead seal rope.

[0036] The specific improvements mentioned above are as follows: Figure 2 and Figure 3 As shown, the lead seal structure 3 includes a first lead seal hole 31 and a second lead seal hole 32. The first lead seal hole 31 is located on the battery compartment 21, and the second lead seal hole 32 is located on the battery box 22. The first lead seal hole 31 and the second lead seal hole 32 are connected and sealed by a lead seal rope. This can prevent non-electric personnel from opening the battery box 22 without permission and affecting the normal use of the meter.

[0037] Based on the above embodiments: it includes a base 1 and an upper cover 11 that covers the base 1 to seal the base 1. The upper cover 11 includes a first cover plate 12 covering the energy meter and a second cover plate 13 covering the battery assembly 2. A first waterproof structure 14 for preventing water from entering the battery compartment 21 is provided between the first cover plate 12 and the second cover plate 13. The first waterproof structure 14 includes a first waterproof groove 15 provided on one of the first cover plate 12 or the second cover plate 13 and a first waterproof strip 16 provided on the other and adapted to the first waterproof groove 15.

[0038] The specific improvements mentioned above are as follows: Figures 3-5As shown, the top cover 11 includes a first cover plate 12 covering the electricity meter and a second cover plate 13 covering the battery assembly 2. To increase the waterproof sealing of the battery box 22, a first waterproof structure 14 is provided at the connection between the first cover plate 12 and the second cover plate 13. The first waterproof structure 14 consists of a first waterproof strip 16 and a first waterproof groove 15 that are adapted to each other. The first waterproof groove 15 is opened between the first cover plate 12 and the side wall of the battery compartment 21. The first waterproof strip 16 is provided on the second cover plate 13. When the battery box 22 is installed in the battery compartment 21, the second cover plate 13 will cover the battery box 22. At this time, the first waterproof strip 16 on the second cover plate 13 will cooperate with the first waterproof groove 15 to form a waterproof and dustproof barrier to prevent external water from entering the battery box 22, thereby avoiding damage to the battery structure 23 inside the battery box 22.

[0039] Based on the above embodiments: the battery box 22 includes a housing 211 for accommodating the battery structure 23 and a cover 212 integrally formed on the housing 211. The housing 211 and the cover 212 together form a second waterproof structure 24 for preventing water from contacting the battery structure 23. The cover 212 has at least one handle position 25 on its side. The second lead seal hole 32 passes through the cover 212 and the housing 211 and communicates with the first lead seal hole 31.

[0040] Based on the above embodiments: the battery compartment 21 is provided with a groove 26 adapted to the locking hand.

[0041] The specific improvements mentioned above are as follows: Figures 5-7 As shown, the battery box 22 consists of a housing 211 and a cover 212. The housing 211 and the cover 212 wrap around the battery structure 23 to form a second waterproof structure 24. The battery compartment 21 and the battery box 22 form a U-shaped closed barrier design, which greatly improves the sealing performance. In order to facilitate the installation and removal of the battery box 22, two handle positions 25 are provided on both sides of the cover 212 for the operator's fingers to hold. These two handle positions 25 facilitate the user's disassembly and installation and prevent the operator from being electrocuted during the insertion and removal of the battery. At the same time, they can form a water-proof eaves. The groove 26 can avoid the two handle positions 25 and prevent the battery box 22 from being installed backwards. The battery compartment 21 is designed to be relatively deep to avoid the risk of electric shock. The bottom of the battery compartment 21 is designed with a clear warning sign for electric shock to remind the operator.

[0042] Based on the above embodiments: the battery structure 23 includes a battery element 231, a battery interface 232, and a wire harness 233 connecting the two. The side of the housing 211 facing away from the cover 212 is provided with an elastic opening 4 for the battery element 231 to be inserted. The side of the housing 211 with the battery structure 23 is provided with an isolation chamber 5. A space for the wire harness 233 to pass through is provided between the housing 211 and the battery chamber 21. A slot 6 for the battery interface 232 to be inserted is provided below the isolation chamber 5.

[0043] The specific improvements mentioned above are as follows: Figures 6-8 As shown, the battery structure 23 includes a battery component, a battery interface 232, and a battery wiring harness 233 connecting the two. An isolation chamber 5 is provided on the side of the battery box 22 near the battery interface 232. The creepage distance between the outside and the isolation chamber 5 is increased by the arrangement of the housing 211 and the cover 212, thereby achieving electrostatic isolation. The battery component 231 is inserted into the housing 211 through the elastic opening 4, and there is a certain gap between the battery component 231 and the side wall of the housing 211 to prevent the battery box 22 from being damaged after the battery bulges, and also to avoid safety hazards caused by the battery bulging in the sealed space of the battery box 22.

[0044] Based on the above embodiments: the isolation compartment 5 is also provided with an elastic buckle 51 that can abut against the battery interface 232 after the battery interface 232 is inserted into the slot 6.

[0045] The specific improvements mentioned above are as follows:

[0046] Example 1: A slot 6 is provided on the side of the isolation compartment 5. The battery interface 232 can be inserted into the slot 6. During installation, the battery interface 232 is installed in a straight up and down manner. The battery interface 232 is installed in place when it is inserted into the bottom of the slot 6.

[0047] Example 2: A slot 6 is provided on the side of the isolation chamber 5. The battery interface 232 can be inserted into the slot 6. During installation, the battery interface 232 is installed in a straight up and down manner. The battery interface 232 is installed in place when it is inserted into the bottom of the slot 6. After installation, the elastic buckle 51 on the isolation chamber 5 will lock the battery interface 232 to achieve dual positioning and prevent the battery interface 232 from moving.

[0048] Based on the above embodiments: the battery interface 232 includes a male interface 7 and a female interface 71 adapted to the male interface 7, and a foolproof structure 8 between the male interface 7 and the female interface 71.

[0049] Based on the above embodiments: the foolproof structure 8 includes a foolproof protrusion 81 disposed on one of the male interface 7 or the female interface 71, and a foolproof groove 82 disposed on the other and adapted to the foolproof protrusion 81.

[0050] The specific improvements mentioned above are as follows: Figure 6 and Figure 7 As shown, the battery interface 232 includes a male interface 7 and a female interface 71. To prevent the two from not being installed and fastened accurately, a foolproof structure 8 is provided between the male interface 7 and the female interface 71. The foolproof structure 8 can prevent the male interface and the female interface 71 from being installed backwards.

[0051] Based on the above embodiments: the second cover plate 13 and the first cover plate 12 are connected by fastening nails 9.

[0052] The specific improvement is that the fastening nail 9 can effectively fix the first cover plate 12 and the second cover plate 13.

[0053] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A lead-sealed battery box structure of an electric energy meter, characterized by: The battery assembly (2) comprises a battery compartment (21) with an internal cavity, a battery box (22) mounted inside the battery compartment (21), and a battery structure (23) mounted inside the battery box (22), and a lead seal structure (3) is arranged between the battery compartment (21) and the battery box (22).

2. The lead seal battery box structure of an electric energy meter according to claim 1, characterized by: The lead seal structure (3) comprises a first lead seal hole (31) arranged on the battery compartment (21) and a second lead seal hole (32) arranged on the battery box (22), and the first lead seal hole (31) and the second lead seal hole (32) are in communication with each other and are sealed by a lead seal rope.

3. The lead seal battery compartment structure of an electric energy meter according to claim 1, characterized by: The electric energy meter comprises a base (1) and an upper cover (11) covering the base (1), the upper cover (11) comprises a first cover plate (12) covering the electric energy meter and a second cover plate (13) covering the battery assembly (2), a first waterproof structure (14) is arranged between the first cover plate (12) and the second cover plate (13) to prevent water from entering the battery compartment (21), and the first waterproof structure (14) comprises a first waterproof groove (15) arranged on one of the first cover plate (12) and the second cover plate (13) and a first waterproof strip (16) arranged on the other and matched with the first waterproof groove (15).

4. The lead seal battery box structure of an electric energy meter according to claim 2, characterized by: The battery box (22) comprises a containing body (211) containing the battery structure (23) and a cover (212) integrally formed above the containing body (211), the containing body (211) and the cover (212) form a second waterproof structure (24) around the containing body (211) to prevent water from contacting the battery structure (23), at least one buckle position (25) is arranged on the side of the cover (212), and the second lead seal hole (32) penetrates between the cover (212) and the containing body (211) and communicates with the first lead seal hole (31).

5. The lead seal battery compartment structure of an electric energy meter according to claim 3, characterized by: A slot (26) matched with the buckle position is arranged on the battery compartment (21).

6. The lead seal battery box structure of an electric energy meter according to claim 4, wherein: The battery structure (23) comprises a battery element (231), a battery interface (232), and a wire harness (233) connected therebetween, an elastic opening (4) for embedding the battery element (231) is arranged on the side of the containing body (211) away from the cover (212), an isolation compartment (5) is arranged on the side of the containing body (211) provided with the battery structure (23), a space for the wire harness (233) to pass through is arranged between the containing body (211) and the battery compartment (21), and a clamping groove (6) for clamping the battery interface (232) is arranged below the isolation compartment (5).

7. The lead seal battery box structure of an electric energy meter according to claim 6, characterized by: An elastic buckle (51) capable of abutting against the battery interface (232) when the battery interface (232) is clamped into the clamping groove (6) is further arranged on the isolation compartment (5).

8. The lead seal battery box structure of an electric energy meter according to claim 7, characterized by: The battery interface (232) comprises a male interface (7) and a female interface (71) matched with the male interface (7), and a foolproof structure (8) is arranged between the male interface (7) and the female interface (71).

9. The lead seal battery compartment structure of an electric energy meter according to claim 8, characterized by: The fool-proof structure (8) comprises a fool-proof protrusion (81) arranged on one of the male interface (7) or the female interface (71) and a fool-proof recess (82) arranged on the other one and matched with the fool-proof protrusion (81).

10. The lead seal battery box structure of an electric energy meter according to claim 3, characterized by: The second cover plate (13) is connected with the first cover plate (12) by fastening nails (9).

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