Electric energy meter easy to install and wire

Abstract

The utility model discloses an electric energy meter easy to install and wire. According to the technical scheme, the electric connector comprises a shell, an upper cover covering the upper end of the shell, a wiring terminal assembly arranged at the tail of the shell, a tail cover covering the tail of the shell and a PCB arranged in the shell, and the wiring terminal assembly comprises a terminal insulating base and a wiring column; the terminal insulating seat is provided with a group of terminal plugging cavities which are through front and back, the upper end of the terminal insulating seat is provided with wiring through holes which are communicated with the terminal plugging cavities, the binding posts are plugged in the terminal plugging cavities, and the shell is matched with first clamping grooves in the terminal insulating seat in a plugging manner through first clamping ribs at the rear end of the shell. And the shell is hooked and fixed with a second hook on the terminal insulating seat through a first hook at the rear end.

Description

Technical Field

[0001] The utility model belongs to the field of low-voltage electric appliances, and particularly relates to an electric energy meter. Background Art

[0002] The structure of a traditional electric energy meter includes: a shell, an upper cover covering the upper end of the shell, a wiring terminal assembly arranged at the tail of the shell, a tail cover covering the tail of the shell, and a PCB board arranged inside the shell. The wiring terminal assembly includes a terminal insulating seat and a wiring post. The terminal insulating seat is provided with a group of front and rear through-terminal insertion cavities, and the upper end is provided with a wiring through-hole communicating with the terminal insertion cavities. The wiring post is inserted into the terminal insertion cavities. At present, the connection between the terminal insulating seat and the shell is usually through a single buckle or screw. The connection stability is poor. In addition, a low-voltage connector socket, an RJ-45 interface, and a battery box are usually installed inside the shell and connected to the PCB board. It is necessary to disassemble the shell to wire or maintain, which brings inconvenience to installation and use. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an electric energy meter that is easy to install and wire.

[0004] To solve the above problems, the technical solution adopted by the utility model: includes a shell, an upper cover covering the upper end of the shell, a wiring terminal assembly arranged at the tail of the shell, a tail cover covering the tail of the shell, and a PCB board arranged inside the shell. The wiring terminal assembly includes a terminal insulating seat and a wiring post. The terminal insulating seat is provided with a group of front and rear through-terminal insertion cavities, and the upper end is provided with a wiring through-hole communicating with the terminal insertion cavities. The wiring post is inserted into the terminal insertion cavities. The feature is that: the shell is inserted and matched with the first card slot on the terminal insulating seat through the first card rib at the rear end, and the shell is also hung and fixed with the second hook on the terminal insulating seat through the first hook at the rear end; the rear end of the upper cover extends with a mounting plate pressing on the terminal insulating seat. The mounting plate is provided with a mounting opening in the middle and first screw hole columns connected to the shell at both ends. The lower end of the PCB board is provided with an extended wiring part extending to the mounting opening. A low-voltage connector socket and an RJ-45 interface connected to the extended wiring part of the PCB board are arranged in the mounting opening of the mounting plate.

[0005] The electric energy meter that is easy to install and wire is characterized in that: a touch switch connected to the extended wiring part of the PCB board is also arranged in the mounting opening of the mounting plate, and a trigger rod for triggering the touch switch is arranged on the tail cover.

[0006] The electric energy meter that is easy to install and wire is characterized in that: a battery box mounting seat is also arranged on the mounting plate, a battery box is mounted through the battery box mounting seat, and a battery box socket connected to the battery box is arranged on the extended wiring part of the PCB board.

[0007] The described electricity meter that is easy to install and wire is characterized in that: a support plate for supporting the extended wiring part of the PCB board is integrally formed at the front end of the terminal insulating seat.

[0008] The described electricity meter that is easy to install and wire is characterized in that: the housing and the upper cover are connected to the second card ribs on the tail cover through the second card slots, and the tail cover is provided with second screw hole columns connected to the terminal insulating seat.

[0009] The described electricity meter that is easy to install and wire is characterized in that: a lead seal cap is arranged in the first screw hole column.

[0010] The described electricity meter that is easy to install and wire is characterized in that: a partition is arranged on the mounting plate corresponding to the battery box, the low-voltage connector socket, and the RJ-45 interface.

[0011] The described electricity meter that is easy to install and wire is characterized in that: a lead seal hole is arranged in the second screw hole column.

[0012] Advantages of the electricity meter that is easy to install and wire according to the present utility model: After the housing is connected to the terminal insulating seat through the card ribs and the hooks, it is further crimped through the mounting plate of the upper cover, making the installation more secure. At the same time, the low-voltage connector socket, the RJ-45 interface, and the battery box can be installed on the mounting plate, thus making the wiring and maintenance more convenient.

[0013] The following further describes the present utility model in detail with reference to the drawings and the specific embodiments. Description of the Drawings

[0014] Figure 1 is an exploded view of the electricity meter that is easy to install and wire according to the present utility model;

[0015] Figure 2 is a sectional view of the electricity meter that is easy to install and wire according to the present utility model;

[0016] Figure 3 is a structural schematic diagram of the upper cover of the present utility model;

[0017] Figure 4 is a structural schematic diagram of the terminal insulating seat of the present utility model;

[0018] Figure 5 is a structural schematic diagram of the tail cover of the present utility model;

[0019] Figure 6 is a structural schematic diagram of the PCB board of the present utility model. Specific Embodiments

[0020] Such as Figure 1-6As shown in the figure, the electric energy meter of the present utility model that is easy to install and wire includes a housing 1, an upper cover 2 covering the upper end of the housing 1, a wiring terminal assembly 3 provided at the tail of the housing 1, a tail cover 4 covering the tail of the housing 1, and a PCB board 5 provided inside the housing 1. The wiring terminal assembly 3 includes a terminal insulating seat 6 and a wiring post 7. The terminal insulating seat 6 is provided with a group of terminal insertion cavities 8 that penetrate through from front to back, and a wiring through hole 9 communicating with the terminal insertion cavity 8 is provided at the upper end of the terminal insulating seat 6 for the penetration of wiring screws. The wiring post 7 is inserted into the terminal insertion cavity 8. The housing 1 is inserted and matched with a first card slot 11 on the terminal insulating seat 6 through a first rib 10 at the rear end, and the housing 1 is also fixedly connected to the second hook 13 on the terminal insulating seat 6 by hanging with a first hook 12 at the rear end. The rear end of the upper cover 2 extends with a mounting plate 14 pressing on the front edge of the front end of the terminal insulating seat 6. An installation opening 15 is provided in the middle of the mounting plate 14, and first screw columns 16 connected to the housing 1 are provided at both ends of the mounting plate 14 and are fixed by installing screws in the first screw columns 16. An extended wiring part 30 extending to the installation opening 15 is provided at the lower end of the PCB board 5. A low-voltage connector socket 17 and an RJ-45 interface 18 connected to the extended wiring part 30 of the PCB board 5 are provided in the installation opening 15 of the mounting plate 14. The low-voltage connector socket 17 is used to connect signal wires, and the RJ-45 interface 18 is used to connect network cables.

[0021] Preferably, a touch switch 19 connected to the extended wiring part 30 of the PCB board 5 is further provided in the installation opening 15 of the mounting plate 14, and a trigger rod 20 for triggering the touch switch 19 is provided on the tail cover 4. When the tail cover 4 is closed, the trigger rod 20 presses on the touch switch 19. When the tail cover 4 is opened, the touch switch 19 is triggered, which is used to detect the record of the tail cover being opened and can also be used to close the circuit to improve the safety of circuit wiring.

[0022] Preferably, a battery box mounting seat 31 is further provided on the mounting plate 14. A battery box 21 is installed through the battery box mounting seat 31, and a battery box socket 22 connected to the battery box 21 is provided on the extended wiring part 30 of the PCB board 5. To facilitate the installation and wiring of the battery box 21.

[0023] Preferably, a support plate 23 supporting the extended wiring part 30 of the PCB board 5 is integrally formed at the front end of the terminal insulating seat 6. To improve the installation stability of the PCB board 5.

[0024] Preferably, the housing 1 and the upper cover 2 are connected to the second rib 25 on the end cap 4 through the second card slot 24, and the end cap 4 is provided with a second screw hole column 26 connected to the terminal insulating seat 6. To improve the connection stability between the housing 1 and the upper cover 2.

[0025] Preferably, a lead seal cap 27 is provided in the first screw hole column 16 to prevent non-staff from opening the mounting plate 14.

[0026] Preferably, a partition 28 is provided between the mounting plate 14 corresponding to the battery box 21, the low-voltage connector socket 17, and the RJ-45 interface 18. To prevent signal interference.

[0027] Preferably, a lead seal hole 29 is provided in the second screw hole column 26 to prevent non-staff from opening the end cap 4.

[0028] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included in the protection scope of the present invention.

Claims

1. An electricity meter that is easy to install and wire, comprising a housing (1), an upper cover (2) covering the upper end of the housing (1), a terminal assembly (3) provided at the tail of the housing (1), a tail cover (4) covering the tail of the housing (1), and a PCB board (5) provided in the housing (1). The terminal assembly (3) includes a terminal insulating seat (6) and a terminal post (7). The terminal insulating seat (6) is provided with a group of terminal insertion cavities (8) that penetrate through from front to back, and a wiring through hole (9) communicating with the terminal insertion cavities (8) is provided at the upper end. The terminal post (7) is inserted into the terminal insertion cavities (8). It is characterized in that: The housing (1) is plugged and matched with a first slot (11) on the terminal insulating base (6) through a first snap rib (10) at the rear end, and the housing (1) is also fixedly connected to a second hook (13) on the terminal insulating base (6) by a first hook (12) at the rear end; an installation plate (14) pressing on the terminal insulating base (6) extends from the rear end of the upper cover (2). An installation opening (15) is provided in the middle of the installation plate (14), and first screw hole columns (16) connected to the housing (1) are provided at both ends. An extended wiring part (30) extending to the installation opening (15) is provided at the lower end of the PCB board (5). A low-voltage connector socket (17) and an RJ-45 interface (18) connected to the extended wiring part (30) of the PCB board (5) are provided in the installation opening (15) of the installation plate (14).

2. The electricity meter that is easy to install and wire according to claim 1, characterized in that: A tactile switch (19) connected to the extended wiring part (30) of the PCB board (5) is further provided in the installation opening (15) of the installation plate (14), and a trigger rod (20) for triggering the tactile switch (19) is provided on the end cover (4).

3. The electricity meter that is easy to install and wire according to claim 1, characterized in that: A battery box mounting seat (31) is further provided on the installation plate (14). A battery box (21) is mounted through the battery box mounting seat (31), and a battery box socket (22) connected to the battery box (21) is provided on the extended wiring part (30) of the PCB board (5).

4. The electricity meter that is easy to install and wire according to claim 1, characterized in that: A support plate (23) supporting the extended wiring part (30) of the PCB board (5) is integrally formed at the front end of the terminal insulating base (6).

5. The electricity meter that is easy to install and wire according to claim 1, wherein: The housing (1) and the upper cover (2) are connected to a second snap rib (25) on the end cover (4) through a second slot (24), and a second screw hole column (26) connected to the terminal insulating base (6) is provided on the end cover (4).

6. The electricity meter that is easy to install and wire according to claim 1, characterized in that: A lead seal cap (27) is provided in the first screw hole column (16).

7. The electricity meter that is easy to install and wire according to claim 3, characterized in that: A partition (28) is provided on the installation plate (14) corresponding to the battery box (21), the low-voltage connector socket (17), and the RJ-45 interface (18).

8. The electricity meter that is easy to install and wire according to claim 5, wherein: A lead seal hole (29) is provided in the second screw hole column (26).

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