Intelligent electric meter shell mechanism with moisture-proof function
By designing the engagement groove and the waterproof cover on the inclined side in the smart meter case mechanism, the problem of insufficient sealing performance of the existing smart meter in high humidity or frequent opening and closing environments is solved, and comprehensive moisture-proof guarantee and stable operation are achieved.
Patent Information
- Application Number
- CN202421430196.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-06-20
AI Technical Summary
In an environment with high humidity or frequent turn-on and shut-off, the sealing performance of existing smart meters is difficult to ensure, and it cannot effectively prevent water vapor from intrusion, affecting the stable operation of the meter.
A smart meter case mechanism with moisture-proof function is designed. By setting a engaging groove for insertion of the upper case on the lower case, the upper case and the lower case are tightly closed, and the docking terminals are specially protected with the waterproof cover on the inclined side to prevent water vapor and liquid from entering.
This design effectively prevents moisture intrusion, enhances moisture resistance, ensures the stable operation of the meter in harsh environments, and facilitates rapid disassembly and repairs.
Smart Images

Figure CN222952386U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of smart electric meters, and in particular to a housing structure of a smart electric meter with a moisture-proof function. Background Art
[0002] With the continuous development of smart grids, smart meters are being used more and more widely and are commonly used in various types of electricity users such as factories, communities, and shopping malls.
[0003] At present, although the smart meters on the market can meet the basic needs of reading electricity consumption data, their sealing performance is often difficult to guarantee in harsh environments such as environments with high humidity or when the meter housing mechanism box is frequently opened and closed, and they cannot effectively prevent water vapor from intruding, affecting the stable operation of the meter. Utility Model Content
[0004] In order to overcome at least some of the defects and shortcomings in the prior art, the present application provides a smart meter housing structure with a moisture-proof function, which can effectively prevent water vapor from intruding, enhance the moisture-proof effect, and ensure the stable operation of the meter in harsh environments.
[0005] Specifically, an embodiment of the present invention provides a housing structure of a smart meter with moisture-proof function, which adopts the following technical solution:
[0006] A housing structure of a smart meter with a moisture-proof function comprises: an upper housing; a lower housing, wherein a snap-fitting groove is arranged at one side end relative to the upper housing, and the edge of the upper housing is inserted into the snap-fitting groove and is arranged to cover the lower housing; and a wiring terminal is arranged at one end of the lower housing; and a waterproof cover is provided, which covers the wiring terminal and is connected to the lower housing, and the waterproof cover is an inclined side.
[0007] By adopting the above technical solution, a snap-fitting groove for inserting the upper shell is provided on the lower shell, so that the upper shell and the lower shell can be tightly covered, and the housing mechanism of the smart meter in this embodiment can provide comprehensive moisture-proof protection for the meter in a humid environment with the special protection of the wiring terminals by the waterproof cover. The waterproof cover design on the inclined side uses gravity to guide the water flow, avoids the accumulation of liquid at the wiring terminals, enhances the moisture-proof effect, and ensures the stable operation of the meter in harsh environments.
[0008] Optionally, a first plug hole and a second plug hole close to the wiring terminal are provided on the lower shell, and the second plug hole is located on an end face away from the upper shell. A first connector and a second connector are provided on the inner side of the waterproof cover. The waterproof cover is plugged into the first plug hole via the first connector, and the second connector is plugged into the second plug hole and fixed on one end of the lower shell.
[0009] By adopting the above technical solution, by providing the first plug-in hole and the second plug-in hole on the lower shell, arranging the first connector and the second connector in the waterproof cover, and plugging the first connector into the first plug-in hole and the second connector into the second plug-in hole, a firm connection between the lower shell and the waterproof cover can be achieved, and it is also convenient for quick disassembly and maintenance when necessary.
[0010] Optionally, a first cover plate is provided on the wiring terminal, and locking holes are provided at both ends of the first cover plate; a protrusion is provided at one end of the first cover plate, and an adjustable first fastener is provided at the other end, wherein the first cover plate is sequentially fastened in the locking hole via the protrusion and the first fastener, and is provided on the wiring terminal.
[0011] By adopting the above technical solution, a first cover plate is added to the wiring terminal to enhance the protection of the wiring terminal; and snap-fit holes are provided on the wiring terminal corresponding to the two ends of the first cover plate, one end of the first cover plate is provided with a convex piece, and the other end is equipped with an adjustable first snap-fit piece. During the installation process, the convex piece and the first snap-fit piece are snapped into the snap-fit hole in sequence, so that the first cover plate can be firmly set on the wiring terminal. This design not only improves the moisture-proof performance of the wiring terminal, but also facilitates the maintenance of the wiring terminal when necessary.
[0012] Optionally, a first snap groove is provided at one end of the upper shell embedded in the lower shell, and a second snap member is provided on the inner side of the lower shell corresponding to the first snap groove.
[0013] By adopting the above technical solution, when the upper shell and the lower shell are covered, the second buckle will be tightly buckled in the first buckle groove, thereby enhancing the connection stability between the shells. This buckle design not only improves the moisture-proof performance of the shell, but also ensures the safety and stability of the electric meter during use.
[0014] Optionally, a third connector is provided on the upper shell for plugging into the lower shell.
[0015] By adopting the above technical solution and disposing the third connector, the connection stability between the upper shell and the lower shell can be enhanced.
[0016] Optionally, a first accommodating shell and a second accommodating shell are provided in the upper shell, a third snap-fitting component is provided on the first accommodating shell, and a second snap-fitting groove is provided in the upper shell; a fourth snap-fitting component is provided on the second accommodating shell, and a third snap-fitting groove is provided in the upper shell.
[0017] By adopting the above technical solution, when the first accommodating shell and the second accommodating shell are assembled in the upper shell, the third snap fastener will be tightly fastened in the second snap fastener groove, and the fourth snap fastener will be tightly fastened in the third snap fastener groove. This snap fastener design can ensure the stability of the internal structure of the electric meter during use.
[0018] Optionally, a second cover plate is provided on the upper shell, covering the first accommodating shell and the second accommodating shell, and a sealing frame is provided between the second cover plate and the first accommodating shell and the second accommodating shell.
[0019] By adopting the above technical solution, the provision of the second cover plate can facilitate the installation of the functional components into the first accommodating shell and the second accommodating shell, and the provision of the sealing frame can provide support and sealing effects after assembly.
[0020] Optionally, a receiving groove for receiving the display module is provided on the upper shell, and a transparent third cover plate is provided corresponding to the receiving groove.
[0021] By adopting the above technical solution, the second cover plate and the receiving groove can facilitate the installation and accommodation of the display module, and by setting the third cover plate to be transparent, it is convenient for observers to observe the data displayed by the display module through the third cover plate.
[0022] In summary, the present application includes at least one of the following beneficial technical effects:
[0023] 1. The lower shell is provided with a snap-fitting groove for the upper shell to be inserted, so that the upper shell and the lower shell can be tightly covered. With the special protection of the wiring terminals by the waterproof cover, the housing structure of the smart meter in this embodiment can provide comprehensive moisture-proof protection for the meter in a humid environment. The waterproof cover design on the inclined side uses gravity to guide the water flow, avoiding the accumulation of liquid at the wiring terminals, enhancing the moisture-proof effect, and ensuring the stable operation of the meter in harsh environments;
[0024] 2. By providing the first plug hole and the second plug hole on the lower shell, and arranging the first plug connector and the second plug connector in the waterproof cover, the first plug connector is plugged into the first plug hole, and the second plug connector is plugged into the second plug hole, so that the lower shell and the waterproof cover can be firmly connected, and it is also convenient to quickly disassemble and repair when necessary;
[0025] 3. Adding a first cover plate to the terminal block can enhance the protection of the terminal block; and providing snap-fit holes at both ends of the terminal block corresponding to the first cover plate, with a convex piece at one end of the first cover plate and an adjustable first snap-fit piece at the other end. During installation, the convex piece and the first snap-fit piece are snapped into the snap-fit holes in sequence, so that the first cover plate can be firmly placed on the terminal block. This design not only improves the moisture-proof performance of the terminal block, but also facilitates the maintenance of the terminal block when necessary. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 A three-dimensional schematic diagram of a housing structure of a smart meter with moisture-proof function disclosed in an embodiment of the present application;
[0027] Figure 2 for Figure 1 A partial exploded schematic diagram of a housing structure of a smart meter with moisture-proof function is shown;
[0028] Figure 3 for Figure 1 A partial exploded schematic diagram of a housing structure of a smart meter with moisture-proof function is shown;
[0029] Figure 4 for Figure 1 A partial exploded schematic diagram of a housing structure of a smart meter with moisture-proof function is shown;
[0030] Figure 5 for Figure 1 A schematic top view of an upper housing of a housing mechanism of a smart meter with moisture-proof function is shown;
[0031] Figure 6 for Figure 1 A schematic diagram of a waterproof cover of a housing mechanism of a smart meter with moisture-proof function is shown;
[0032] Figure 7 for Figure 1 An exploded schematic diagram of a connection terminal of a housing mechanism of a smart meter with moisture-proof function is shown.
[0033] Description of reference numerals:
[0034] 10. Upper shell; 11. First snap-fit groove; 12. Third plug connector; 13. First accommodating shell; 131. Third snap-fit groove; 14. Second accommodating shell; 141. Fourth snap-fit groove; 15. Second snap-fit groove; 16. Third snap-fit groove; 17. Second cover plate; 18. Accommodating groove; 19. Third cover plate; 20. Lower shell; 21. Engaging groove; 22. Terminal block; 221. First cover plate; 2211. Protrusion; 2212. First snap-fit groove; 222. Engaging hole; 23. First plug hole; 24. Second plug hole; 25. Second snap-fit groove; 30. Waterproof cover; 31. First plug connector; 32. Second plug connector; 40. Sealing frame. DETAILED DESCRIPTION
[0035] The terms used in the following embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to be used as limitations to the present application. As used in the specification and appended claims of the present application, the singular expressions "one", "a kind of", "above", "the" and "this" are intended to also include plural expressions, unless there is a clear indication to the contrary in the context. It should also be understood that the term "and / or" used in the present application refers to and includes any or all possible combinations of one or more listed items.
[0036] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as suggesting or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features, and in the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.
[0037] The technical solution of the embodiments of the present application is described in detail below with reference to the accompanying drawings.
[0038] See also Figure 1 and Figure 2 The embodiment of the present application discloses a smart meter housing structure with moisture-proof function, including an upper housing 10, a lower housing 20 and a waterproof cover 30.
[0039] The lower shell 20 is provided with a snap-fitting groove 21 for inserting the edge of the upper shell 10 (see Figure 3 ), the upper housing 10 and the lower housing 20 can be tightly covered, and the waterproof cover 30 is connected to one end of the lower housing 20 to cover and protect the wiring terminals 22, so that the housing mechanism of the smart meter of this embodiment can provide comprehensive moisture-proof protection for the meter in a humid environment. The waterproof cover 30 is designed with an inclined side surface, and uses gravity to guide the water flow, which can avoid the accumulation of liquid at the wiring terminals 22, so as to enhance the moisture-proof effect and ensure the stable operation of the meter in harsh environments.
[0040] See also Figure 3 A first snap groove 11 is provided at one end of the upper shell 10 embedded in the lower shell 20, and a second snap member 25 is provided on the inner side of the lower shell 20 corresponding to the first snap groove 11. In this embodiment, multiple first snap grooves 11 and second snap members 25 are provided correspondingly, distributed on the peripheral side of the lower end of the upper shell 10 and the inner peripheral side of the lower shell 20.
[0041] When the upper housing 10 and the lower housing 20 are covered, the second buckle 25 will be tightly buckled in the first buckle groove 11, thereby enhancing the connection stability between the housings. This buckle design can not only improve the moisture-proof performance of the housing, but also ensure the safety and stability of the meter during use.
[0042] See also Figure 4 and Figure 5 A first accommodating shell 13 and a second accommodating shell 14 are disposed in the upper shell 10, a third snap-fitting member 131 is disposed on the first accommodating shell 13, a second snap-fitting groove 15 is disposed in the upper shell 10, a fourth snap-fitting member 141 is disposed on the second accommodating shell 14, and a third snap-fitting groove 16 is disposed in the upper shell 10.
[0043] The third snap-fitting member 131 and the second snap-fitting slot 15 are provided in plurality, and the fourth snap-fitting member 141 and the third snap-fitting slot 16 are provided in plurality. When the first accommodating shell 13 and the second accommodating shell 14 are assembled in the upper shell 10, the third snap-fitting member 131 will be tightly fastened in the second snap-fitting slot 15, and the fourth snap-fitting member 141 will be tightly fastened in the third snap-fitting slot 16, so as to ensure the stability of the internal structure of the electric meter during use.
[0044] See also Figure 4 A second cover plate 17 is provided on the upper shell 10 for covering the first accommodating shell 13 and the second accommodating shell 14, and can be fixed on the upper shell 10 by screws, and a sealing frame 40 is provided between the second cover plate 17 and the first accommodating shell 13 and the second accommodating shell 14, which can play a supporting and sealing effect after assembly.
[0045] See also Figure 4 A receiving groove 18 for receiving the display module is also provided on the upper shell 10 , and a transparent third cover plate 19 is provided corresponding to the receiving groove 18 , so that an observer can observe the display data of the display module through the third cover plate 19 .
[0046] See also Figure 3 and Figure 6A first connector 31 and a second connector 32 for fixing the lower shell 20 are arranged on the inner side of the waterproof cover 30 , and a first plug hole 23 and a second plug hole 24 close to the wiring terminal 22 are arranged on the lower shell 20 , and the second plug hole 24 is located on an end face away from the upper shell 10 .
[0047] The first connector 31, the first plug hole 23, the second connector 32, and the second plug hole 24 can all be provided with two. During assembly, the first connector 31 is plugged into the first plug hole 23, and the second connector 32 is plugged into the second plug hole 24, so as to realize a firm connection between the lower housing 20 and the waterproof cover 30, and this structure is also convenient for quick disassembly and maintenance when necessary.
[0048] See also Figure 3 A third connector 12 is also provided on the upper shell 10 for plugging into the lower shell 20 , thereby enhancing the connection stability between the upper shell 10 and the lower shell 20 .
[0049] Also, see Figure 7 A first cover plate 221 is provided on the connection terminal 22 to enhance protection of the connection terminal 22 .
[0050] Wherein, engaging holes 222 are provided at both ends of the first cover plate 221 corresponding to both ends of the first cover plate 221, a convex piece 2211 is provided at one end of the first cover plate 221, and an adjustable first snap-fit piece 2212 is provided at the other end. During the installation process, the convex piece 2211 and the first snap-fit piece 2212 are snap-fitted in the engaging holes 222 in sequence, so that the first cover plate 221 can be stably set on the wiring terminal 22, thereby improving the moisture-proof performance of the wiring terminal 22. In addition, by manually toggling the first snap-fit piece 2212, the first cover plate 221 can be easily removed from the wiring terminal 22, so that the wiring terminal 22 can be inspected when necessary.
[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A housing structure of a smart meter with moisture-proof function, characterized in that: include: Upper housing (10); The lower shell (20) is provided with a snap-fitting groove (21) at one end of a side opposite to the upper shell (10); the edge of the upper shell (10) is inserted into the snap-fitting groove (21) and is covered with the lower shell (20); and a connection terminal (22) is provided at one end of the lower shell (20); A waterproof cover (30) covers the connection terminal (22) and is connected to the lower housing (20), and the waterproof cover (30) has an inclined side surface.
2. The housing structure of a smart meter with moisture-proof function according to claim 1, characterized in that: The lower shell (20) is provided with a first plug hole (23) and a second plug hole (24) close to the connection terminal (22); the second plug hole (24) is located on an end surface away from the upper shell (10); a first plug connector (31) and a second plug connector (32) are provided on the inner side of the waterproof cover (30); the waterproof cover (30) is plugged into the first plug hole (23) via the first plug connector (31); and the second plug connector (32) is plugged into the second plug hole (24) and fixed to one end of the lower shell (20).
3. The housing structure of a smart meter with moisture-proof function according to claim 1, characterized in that: A first cover plate (221) is provided on the connection terminal (22), and engaging holes (222) are provided at two ends corresponding to the first cover plate (221); A convex part (2211) is provided at one end of the first cover plate (221), and an adjustable first buckle part (2212) is provided at the other end, wherein the first cover plate (221) is buckled in the buckling hole (222) via the convex part (2211) and the first buckle part (2212) in sequence, and is arranged on the wiring terminal (22).
4. The housing structure of a smart meter with moisture-proof function according to claim 1, characterized in that: A first buckle groove (11) is provided at one end of the upper shell (10) embedded in the lower shell (20), and a second buckle member (25) is provided on the inner side of the lower shell (20) corresponding to the first buckle groove (11).
5. The housing structure of a smart meter with moisture-proof function according to claim 2, characterized in that: The upper housing (10) is provided with a third plug connector (12) for plugging into the lower housing (20).
6. The housing structure of a smart meter with moisture-proof function according to claim 1, characterized in that: A first accommodating shell (13) and a second accommodating shell (14) are arranged in the upper shell (10); a third snap-fitting component (131) is arranged on the first accommodating shell (13), and a second snap-fitting groove (15) is arranged in the upper shell (10); a fourth snap-fitting component (141) is arranged on the second accommodating shell (14), and a third snap-fitting groove (16) is arranged in the upper shell (10).
7. The housing structure of a smart meter with moisture-proof function according to claim 6, characterized in that: A second cover plate (17) is provided on the upper shell (10), covering the first accommodating shell (13) and the second accommodating shell (14), and a sealing frame (40) is provided between the second cover plate (17) and the first accommodating shell (13) and the second accommodating shell (14).
8. The housing structure of a smart meter with moisture-proof function according to claim 1, characterized in that: The upper housing (10) is provided with a receiving groove (18) for receiving the display module, and a transparent third cover plate (19) is provided corresponding to the receiving groove (18).