CN213715292U

CN213715292U - Electric energy meter with communication module

Info

Publication number: CN213715292U
Application number: CN202021868493.8U
Authority: CN
Inventors: 魏章波; 王锡赞; 林国庆
Original assignee: Ningbo Sanxing Electric Co Ltd
Current assignee: Ningbo Sanxing Electric Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-07-16
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to an electric energy meter with a communication module, which comprises a circuit board, wherein jacks are arranged on the circuit board; the communication module is connected with the circuit board; the method is characterized in that: the communication module is provided with a first contact pin which can be connected with the circuit board; the electric energy meter further comprises a phoenix terminal, wherein the phoenix terminal is provided with a slot for the first contact pin to be partially inserted into the slot, the phoenix terminal is also provided with a second contact pin which can be electrically connected with the first contact pin positioned in the slot, and the other end of the second contact pin is inserted into the slot of the circuit board. The reliability is high by adopting a hard connection mode; in addition, realize being connected with the circuit board through the phoenix terminal, need not communication module at the electric energy meter and when using as ordinary ammeter, the phoenix terminal can regard as other auxiliary terminals to use, has avoided the extravagant condition of part.

Description

Electric energy meter with communication module

Technical Field

The utility model belongs to the technical field of the electric energy meter, concretely relates to electric energy meter with communication module.

Background

An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt hour meter, and is an instrument for measuring various electric quantities.

The present electric energy meter is provided with a communication module, for example, the chinese patent application "electric energy meter with communication module and meter cover mold structure", whose patent application number is CN201910227891.7 (application publication number is CN109991454A) discloses an electric energy meter with function module, which comprises a meter main body and a function module detachably connected with the meter main body, the meter main body comprises a meter cover and a circuit board, the meter cover is provided with a holding cavity for holding the function module, the holding cavity is provided with an opening, the circuit board is provided with an interface seat for connecting with the function module, the meter cover is further provided with a function interface and a positioning hole for the function module to pass through and be inserted into the interface seat. The functional module can be a communication module, the communication module can penetrate through the positioning hole of the accommodating cavity to be connected with the interface seat on the circuit board in an inserting mode, the communication module can be connected with the interface seat in an inserting mode through a flexible wire and can possibly fall off from the interface seat, the reliability is low, and when the communication module is not needed, the interface seat cannot be effectively used, and therefore socket waste is caused.

Therefore, further improvements to existing electric energy meters are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the current situation of above-mentioned prior art, a communication module reliably connects electric energy meter with communication module is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an electric energy meter with a communication module comprises

The circuit board is provided with jacks;

the communication module is connected with the circuit board;

the method is characterized in that: the communication module is provided with a first contact pin which can be connected with the circuit board; the electric energy meter also comprises

The phoenix terminal is provided with a slot for the first pin to be partially inserted into, and also provided with a second pin which can be electrically connected with the first pin positioned in the slot, and the other end of the second pin is inserted into the jack of the circuit board.

Preferably, the circuit board is vertically arranged, the phoenix terminal is located at the front side of the circuit board, the second contact pin of the phoenix terminal extends backwards, and the slot of the phoenix terminal extends vertically and is open at the bottom.

In order to prevent the first contact pin from deforming due to stress, an opening through which the first contact pin penetrates upwards is formed in the position, corresponding to the first contact pin, of the top wall plate of the communication module, and a protective plate extending upwards is arranged on the periphery, located at the opening, of the top wall plate of the communication module. Therefore, the first contact pin can be protected by the guard plate.

In order to increase the stability of the first contact pin after installation, the cross section of the guard plate is in a U shape, a screw hole with an opening in the front side is formed in the phoenix terminal and used for installing a screw in the screw hole, the screw hole is communicated with the slot, and an avoiding notch is formed in the position, corresponding to the screw hole, of the front plate of the guard plate.

In order to realize the support of the communication module, the rear side of the circuit board is provided with an end button box, and the communication module is arranged on the front surface of the end button box.

In order to realize communication module's upper and lower slip to make things convenient for communication module's dismouting, the left and right sides of communication module's bottom all is provided with the deflector that extends from top to bottom, the left and right sides of end button box upper surface is provided with the limiting plate that extends from top to bottom, two the deflector is located two between the limiting plate, just the deflector can be spacing on the limiting plate that corresponds the side with sliding from top to bottom.

The connection mode of deflector and limiting plate has the multiple, can adopt the form of screw installation, also can adopt the buckle knot hole looks joint complex form, but preferably, be provided with the buckle on the surface of deflector is close to the position of lower extreme, the limiting plate is seted up and is supplied the buckle hole that the buckle of corresponding side was gone into wherein to block in.

Specifically, the upper end of the guide plate is provided with an inclined plate which is gradually inclined towards the direction of the other guide plate from bottom to top.

In order to protect circuit board, communication module etc. still include the open base of front side and set up table lid and the end cover of the open department of base front side, the table lid with enclose between the base and close and be formed with the holding the space of circuit board, the terminal button box sets up the lower part of base, the upper end of end cover is connected on the lower extreme of table lid, and cover communication module.

In order to prevent the up-and-down movement of the communication module, the front surface of the communication module is provided with a concave cavity which is concave backwards, the end cover is provided with a limiting convex part which extends backwards, and the limiting convex part is limited in the concave cavity when the end cover is in a state of covering the communication module.

Compared with the prior art, the utility model has the advantages of: the communication module of the electric energy meter with the communication module is connected with the circuit board through the phoenix terminal, namely, the first contact pin of the communication module is electrically connected with the phoenix terminal, the first contact pin of the phoenix terminal is inserted on the circuit board, and the reliability is high by adopting a hard connection mode; in addition, realize being connected with the circuit board through the phoenix terminal, need not communication module at the electric energy meter and when using as ordinary ammeter, the phoenix terminal can regard as other auxiliary terminals to use, has avoided the extravagant condition of part.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a cross-sectional view at another angle from FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 1;

FIG. 5 is a schematic structural diagram of the communication module shown in FIG. 1;

FIG. 6 is a schematic view of an assembly structure of the communication module and the circuit board;

FIG. 7 is a schematic perspective exploded view of FIG. 6;

fig. 8 is a schematic view of the structure at another angle in fig. 5.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 8, the electric energy meter with a communication module according to an embodiment of the present invention includes a circuit board 1, a communication module 2, a phoenix terminal 3, a terminal box 4, a base 5, a meter cover 6, and an end cover 7.

The front side of the base 5 is open, the meter cover 6 and the end cover 7 cover the front side opening of the base 5, and the end cover 7 is partially located below the meter cover 6, specifically, the upper end of the end cover 7 is connected to the lower end of the front surface of the meter cover 6, the terminal box 4 is arranged on the base 5 adjacent to the lower end, and the terminal box 4 is located between the end cover 7 and the base 5.

As shown in fig. 2 to 4, circuit board 1 is vertically arranged, and is located the space that table lid 6 and base 5 enclose and close, as shown in fig. 2, circuit board 1 is located between terminal button box 4 and the phoenix terminal 3, specifically, phoenix terminal 3 is located the front side of circuit board 1, and has the second contact pin 32 that extends backward, as shown in fig. 7, set up on circuit board 1 and supply second contact pin 32 to insert jack 11 wherein, consequently, phoenix terminal 3 passes through the one end of second contact pin 32 and installs on circuit board 1 with the grafting cooperation of jack 11, circuit board 1 adopts the form of PCB board.

As shown in fig. 3, the communication module 2 is located between the end cap 7 and the terminal box 4, and specifically, the communication module 2 is disposed on the front surface of the terminal box 4. As shown in fig. 2 and 8, the communication module 2 has a first pin 21 extending at least partially upward, in order to facilitate the first pin 21 to pass through, an opening 22 for the first pin 21 to pass through upward is formed on a top wall plate of the communication module 2 at a position corresponding to the first pin 21, and a plurality of the first pins 21 are connected by a connecting seat 27. In order to protect the first pin 21 and prevent the first pin 21 from being bent by force, the top wall of the communication module 2 is provided with a protective plate 23 extending upward at the periphery of the opening 22. The protective plate 23 has a U-shaped cross section, and the front plate of the protective plate 23 is provided with an escape notch 231 at a position corresponding to the screw hole 33. Thus, when the screw is connected into the screw hole 33 by the external tool, the existence of the avoiding notch 231 provides a space for the external tool, prevents the external tool from interfering, and needs to be installed.

In addition, in order to restrict the connecting seat 27 from moving up and down, a plurality of limiting ribs 232 are arranged on the inner side wall of the guard plate 23, and the limiting ribs 232 are arranged at intervals along the parallel direction of the first pins 21, and the limiting ribs 232 are abutted to the upper surface of the connecting seat 27.

In order to realize the connection of the communication module and the phoenix terminal, as shown in fig. 7, the phoenix terminal 3 has a slot 31 extending up and down and having an open bottom at a position corresponding to the first pin 21, the first pin 21 of the communication module 2 can be partially inserted into the corresponding slot 31 and electrically connected with the other end of the second pin 32 of the phoenix terminal 3, and thus, the communication module 2 is connected with the circuit board 1 through the phoenix terminal 3. In order to realize the installation stability of the second contact pin 32, a screw hole 33 with an opening at the front side for installing a screw is formed in the phoenix terminal 3, the screw hole 33 is communicated with the slot 31, and therefore when the screw is inserted into the screw hole 33, the rear end of the screw can be abutted against the second contact pin 32.

In order to realize the up-and-down sliding of the communication module 2, as shown in fig. 5 and 6, the left and right sides of the bottom of the communication module 2 are provided with guide plates 24 extending up and down, and the upper ends of the guide plates 24 are provided with inclined plates 26 gradually inclined toward the other guide plate 24 from bottom to top. Limiting plates 41 extending up and down are arranged on the left side and the right side of the upper surface of the terminal box 4, the two guide plates 24 are positioned between the two limiting plates 41, and the guide plates 24 can be limited on the limiting plates 41 on the corresponding sides in a vertically sliding manner. In order to realize the connection between the guide plate and the corresponding limiting plate 41, a buckle 241 and a buckle hole 411 which are matched and matched with each other are arranged between the guide plate 24 and the corresponding limiting plate 41. Specifically, the catch 241 is provided on the outer surface of the guide plate 24 adjacent to the lower end, and the catching hole 411 is opened in the stopper plate 41, and the catch 241 of the corresponding side is caught therein, so that the guide plate 24 is mounted on the stopper plate 41 of the corresponding side by the snap-fit engagement of the catch 241 with the catching hole 411 of the corresponding side, as shown in fig. 3.

In order to prevent the communication module 2 from moving in the front-rear direction, as shown in fig. 3, the front surface of the communication module 2 has two cavities 25 recessed rearward, and the cavities 25 are arranged at intervals left and right, and correspondingly, the end cap 7 has two limit protrusions 71 arranged at intervals left and right and extending rearward, and the limit protrusions 71 are limited in the corresponding cavities 25 in a state where the end cap 7 is covered on the communication module 2.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. An electric energy meter with a communication module comprises

The circuit board (1) is provided with a jack (11);

the communication module (2) is connected with the circuit board (1);

the method is characterized in that: the communication module (2) is provided with a first pin (21) which can be connected with the circuit board (1); the electric energy meter also comprises

The phoenix terminal (3) is provided with a slot (31) for the first pin (21) to be partially inserted into, and the phoenix terminal (3) is also provided with a second pin (32) which can be electrically connected with the first pin (21) positioned in the slot (31), and the other end of the second pin (32) is inserted into the jack (11) of the circuit board (1).

2. The electric energy meter of claim 1, wherein: the circuit board (1) is vertically arranged, the phoenix terminal (3) is located on the front side of the circuit board (1), the second pin (32) of the phoenix terminal extends backwards, and the slot (31) of the phoenix terminal (3) vertically extends and the bottom of the slot is open.

3. The electric energy meter of claim 2, wherein: an opening (22) for the first contact pin (21) to penetrate out upwards is formed in the position, corresponding to the first contact pin (21), of the top wall plate of the communication module (2), and a protective plate (23) extending upwards is arranged on the periphery of the opening (22) of the top wall plate of the communication module (2).

4. An electric energy meter according to claim 3, characterized in that: the cross section of the guard plate (23) is U-shaped, a screw hole (33) with an opening in the front side for installing a screw is formed in the phoenix terminal (3), the screw hole (33) is communicated with the slot (31), and an avoiding notch (231) is formed in the position, corresponding to the screw hole (33), of the front plate of the guard plate (23).

5. An electric energy meter according to any one of claims 2 to 4, characterized in that: the rear side of circuit board (1) is provided with terminal button box (4), communication module (2) set up on the front surface of terminal button box (4).

6. The electric energy meter of claim 5, wherein: the left and right sides of the bottom of communication module (2) all is provided with deflector (24) that extend from top to bottom, the left and right sides of terminal box (4) upper surface is provided with limiting plate (41) that extend from top to bottom, two deflector (24) are located two between limiting plate (41), just deflector (24) can be spacing on limiting plate (41) that correspond the side with sliding from top to bottom.

7. The electric energy meter of claim 6, wherein: the outer surface of the guide plate (24) is provided with a buckle (241) at a position close to the lower end, and the limiting plate (41) is provided with a buckle hole (411) for the buckle (241) at the corresponding side to be clamped in.

8. The electric energy meter of claim 7, wherein: the upper end of the guide plate (24) is provided with an inclined plate (26) which is gradually inclined towards the other guide plate (24) from bottom to top.

9. The electric energy meter of claim 5, wherein: still include open base (5) of front side and set up table lid (6) and end cover (7) of the open mouth department of base (5) front side, table lid (6) with enclose between base (5) and close and be formed with the holding the space of circuit board (1), end button box (4) set up the lower part of base (5), the upper end of end cover (7) is connected on the lower extreme of table lid (6), and cover communication module (2).

10. The electrical energy meter of claim 9, wherein: the front surface of the communication module (2) is provided with a cavity (25) which is recessed backwards, the end cover (7) is provided with a limiting convex part (71) which extends backwards, and the limiting convex part (71) is limited in the cavity (25) when the end cover (7) is in a state of covering the communication module (2).