CN211858939U - Electric energy meter 485 communication module terminal interface - Google Patents

Abstract

The utility model provides a 485 communication module terminal interface of an electric energy meter, which relates to the technical field of electric energy meters and comprises a socket arranged on a downlink communication module of the electric energy meter and a plug matched with the socket; the socket comprises a plug-in and a plug-in sheet matched with the plug-in; the tail end of the plug-in is welded on a circuit board of the downlink communication module and is electrically communicated with the circuit board, one end of the plug-in is clamped by the top end of the plug-in, and the other end of the plug-in can be matched with the plug; the plug-in components and the insertion pieces are made of conductive materials. Through the utility model discloses 485 communication module terminal interface, in the actual operation process, can realize that plug and socket simply directly connects the operation, does not need the wiring work of relative complicacy, has solved the misconnection problem of traditional ammeter.

Description

Electric energy meter 485 communication module terminal interface

technical field

The utility model relates to a terminal interface of a 485 communication module of an electric energy meter, which belongs to the technical field of electric energy meters.

Background technique

The automatic meter reading of electric energy meters not only improves the accuracy of data acquisition and processing, but also realizes the information management and standardized management of meter reading field work, and eliminates the phenomenon of random meter estimation and wrong user reading in the power meter reading business. Greatly improve work efficiency.

At present, smart energy meters generally realize centralized collection of electric energy data through 485 bus networking. Each smart energy meter is equipped with a 485 communication module. In the existing technology, whether it is a single-phase electric meter or a three-phase electric meter, most of them use (terminal block) terminals. Wiring, in the actual wiring process, requires a certain degree of electrical expertise, and it is easy to cause misconnection. Once misconnected, it will cause damage to the 485 communication module.

Based on this, the present application is made.

Utility model content

In order to solve the above-mentioned defects in the prior art, the utility model provides a terminal interface of the 485 communication module of the electric energy meter, which cancels the traditional wiring method of the terminal block, and can realize the simple and direct connection operation of the plug and socket, which solves the problem of solving the problem. Misconnection of traditional electricity meters. And because the 485 communication is concentrated in the downlink module, the terminal block is cancelled, the space of the electric meter is saved, and more internal space is provided for the subsequent modularization of the electric meter.

In order to achieve the above object, the technical scheme adopted by the present utility model is as follows:

A terminal interface of a 485 communication module of an electric energy meter, comprising a socket installed on a downlink communication module of an electric energy meter, and a plug matched with the socket; the socket includes a plug-in and a blade matched with the plug-in; The end is welded on the circuit board of the downlink communication module and is electrically connected to the circuit board, the top of the plug-in clamps one end of the plug, and the other end of the plug can be matched with the plug; the plug-in and the plug are made of conductive materials .

Further, in order to make the structure of the interface more stable, the socket further includes a fixing seat for fixing the plug-in, the fixing seat is fixedly installed in the downlink communication module, and the fixing seat is an insulating material.

Further, in order to reduce the exposure of the conductive inserts as much as possible, the socket also includes an adapter seat that is fixedly installed in the upper cover of the management core of the electric energy meter. A jack, an insert port opened on the back of the adapter seat and communicated with the jack; the other end of the insert extends into the insert port and is exposed in the jack.

Further, in order to prevent the interface from loosening when the plug is pulled and inserted for many times, the adapter seat further includes elastic limit hooks arranged on the top or/and the bottom, and the adapter seat is connected to the management core through the elastic limit hooks. The top cover is fixed.

Further, the specific structure of the plug is as follows: the plug includes an insulating housing, a connector hardware inside the insulating housing, and a wire connected with one end of the connector hardware; the other end of the connector hardware can be It is clamped and matched with the insert; the wire, the connector hardware and the insert are electrically connected.

Further, in order to ensure that the wire is not easily loosened and at the same time has a waterproof effect, one end of the connector hardware is provided with a rubber plug, and the wire extends into the rubber plug and is connected to one end of the connector hardware.

Further, in order to prevent the plug from being disengaged, the adapter further includes a limit piece insertion port opened on the front side and located above the jack, and the plug further includes an elastic limit piece disposed on the top of the insulating shell, The end of the elastic limiting piece is provided with a barb, the pressed elastic limiting piece extends into the insertion opening of the limiting piece and then resets when the pressure disappears, and is limited and fixed by the barb at the end.

Further, in order to protect the interface when the plug is not inserted, the adapter is equipped with a waterproof plug.

Further, in order to further achieve the waterproof effect, a sealing ring is sleeved at the connection between the adapter seat and the upper cover of the management core.

The principle and beneficial technical effect of the present utility model:

(1) Through the terminal interface of the 485 communication module of the present invention, in the actual operation process, the simple and direct connection operation of the plug and socket can be realized, and relatively complicated wiring work is not required, which solves the problem of misconnection of the traditional electric meter.

(2) The terminal interface of the 485 communication module of the utility model has been waterproofed in many places, and the waterproof effect is good.

(3) The terminal interface of the 485 communication module of the utility model is simple to assemble, and the assembly efficiency is high.

(4) The 485 communication module terminal interface of the utility model has good structural stability, and the plug is not easy to loosen or disengage after being pulled and inserted for many times.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the electric energy meter including the terminal interface of the 485 communication module of the present embodiment;

FIG. 2 is a schematic diagram of the present embodiment when the terminal interface plug of the 485 communication module is plugged in;

FIG. 3 is a schematic diagram of the 485 communication module terminal interface of the present embodiment when the waterproof plug is plugged;

FIG. 4 is a schematic structural diagram of the terminal interface of the 485 communication module in the present embodiment on the internal downlink communication module;

5 is a schematic diagram 1 of the connection between the plug-in plug in the terminal interface socket of the 485 communication module and the circuit board of the downlink communication module according to the present embodiment;

6 is a schematic diagram 2 of the connection between the plug-in plug in the terminal interface socket of the 485 communication module and the circuit board of the downlink communication module according to the present embodiment;

FIG. 7 is a schematic diagram of the external structure of the 485 communication module terminal interface plug and the socket in this embodiment;

FIG. 8 is a schematic diagram 1 of the internal structure of the 485 communication module terminal interface plug and the socket in the present embodiment;

FIG. 9 is a schematic diagram 2 of the internal structure of the 485 communication module terminal interface plug and the socket in this embodiment;

10 is a schematic structural diagram of the plug-in in the terminal interface socket of the 485 communication module of the present embodiment being installed in the fixed seat;

FIG. 11 is a schematic structural diagram of a terminal interface socket of a 485 communication module in this embodiment;

FIG. 12 is a schematic structural diagram of the mating between the adapter seat and the insert in the terminal interface of the 485 communication module of the present embodiment;

13 is a schematic structural diagram of the waterproof plug in the terminal interface of the 485 communication module of the present embodiment;

FIG. 14 is a schematic structural diagram 1 of a terminal interface plug of a 485 communication module according to the present embodiment;

FIG. 15 is a second structural schematic diagram of a terminal interface plug of a 485 communication module according to this embodiment.

Label description: 485 communication module terminal interface A, management core cover 1, downlink communication module 2, communication module circuit board 21, plug 3, insulating shell 31, elastic limit piece 32, barb 33, wire 34, rubber plug 35, connector hardware 36, locking piece 361, adapter seat 4, socket 41, elastic limit hook one 42, elastic limit hook two 43, limit piece insertion port 44, insert port 45, plug-in 51 ( Blade type), insert piece 52 (blade type), fixed seat 53, waterproof plug 6, protective cover 7, tail cover 8.

Detailed ways

In order to make the technical means of the present utility model and the technical effects that can be achieved, be disclosed more clearly and completely, an embodiment is provided, and the following detailed description is made in conjunction with the accompanying drawings:

As shown in FIG. 1 to FIG. 15 , a terminal interface of a communication module of an electric energy meter 485 in this embodiment includes a socket installed on the downstream communication module 2 of the electric energy meter, and a plug 3 matched with the socket; the socket includes a plug-in 51 , And the insert 52 matched with the insert 51; the end of the insert 51 is welded on the circuit board 21 of the downlink communication module 2 and is electrically connected to the circuit board 21, the top of the insert 51 clamps one end of the insert 52, and the other end of the insert 52 One end can be matched with the plug 3; the plug 51 and the plug 52 are both conductive materials. In this embodiment, the plug-in 51 in the socket is a blade-type plug-in 51, the upper part is the clamping end, and the lower part is the guiding and connecting end; , and realize the transfer through the blade insert 52 . In the actual operation process of this embodiment, the simple and direct connection operation of the plug 3 sockets can be realized, and relatively complicated wiring work is not required, and the problem of wrong connection of the traditional electric meter is solved.

In this embodiment, the socket further includes a fixing base 53 for fixing the plug-in 51 , the fixing base 53 is fixedly installed in the downlink communication module 2 , and the fixing base 53 is made of insulating material. The fixing seat 53 can solve the problem of installing and fixing the plug-in plug 51 of the socket, can prevent the plug 3 from loosening during the pulling and plugging process, and improve the structural firmness of the interface.

In this embodiment, the socket further includes an adapter seat 4 fixedly installed in the upper cover 1 of the management core of the electric energy meter. The back side of the insert piece 52 communicates with the jack 41 and the mouth 45; The insulating installation connection between the plug 3 and the upper cover 1 of the management core can be realized through the adapter seat 4, which can reduce the exposure of the conductive plug-in 51 and the blade 52, and can also play a certain waterproof role, and also facilitate the insertion and removal of the plug 3.

In this embodiment, the adapter seat 4 further includes elastic limit hooks arranged at the top and bottom, the first elastic limit hook 42 and the second elastic limit hook 43, and the adapter seat 4 passes through the first elastic limit hook 42 and the elastic limit hook The second position hook 43 is fixed with the upper cover 1 of the management core. The elastic limit hook is unidirectional. During installation, not only can the adapter seat 4 be easily inserted into the upper cover 1 of the management core, but also can be fixed when inserted, which is not only convenient for installation and operation, but also makes it difficult for the adapter seat 4 to connect with the upper cover of the management core 1 is disconnected, even if the plug 3 is pulled and inserted multiple times, the structural stability of the interface can be guaranteed.

In this embodiment, as shown in FIGS. 7 , 8 and 9 , the plug 3 includes an insulating housing 31 , a connector hardware 26 disposed inside the insulating housing 31 , and a wire connected to one end of the connector hardware 26 . 34; the other end of the plug-in hardware 26 can be clamped with the plug-in piece 52; the wire 34, the plug-in hardware 26 and the plug-in piece 52 are electrically connected. In FIGS. 8 and 9 , the locking piece 361 on the connector hardware 26 is not closed and locked. When the actual installation is completed and put into use, the locking piece 361 needs to be closed. Structure is clear.

In this embodiment, one end of the connector hardware 26 is provided with a rubber plug 35 , and the wire 34 extends into the rubber plug 35 and is connected to one end of the connector hardware 26 . The rubber plug 35 can make the wire 34 not easy to loosen, and can also play a waterproof role.

In this embodiment, the adapter seat 4 further includes a limit piece insertion port 44 opened on the front and located above the jack 41 , and the plug 3 further includes an elastic limit piece 32 disposed on the top of the insulating housing 31 . The elastic limit piece The end of 32 is provided with a barb 33. The pressed elastic limit piece 32 extends into the limit piece insertion port 44 and then resets when the pressure disappears. The barb 33 at the end is limited and fixed, which can not only prevent the plug 3 from disengaging, And it is very convenient to plug and unplug.

In this embodiment, the adapter seat 4 is equipped with a waterproof plug 6, which is plugged when the plug 3 is not inserted to prevent water and dust.

In this embodiment, the connection between the adapter seat 4 and the upper cover 1 of the management core is covered with a sealing ring to prevent water from entering from the connection between the adapter seat 4 and the upper cover 1 of the management core, and further plays a waterproof role.

Whether it is a single-phase electric meter or a three-phase electric meter, the terminal interface of the 485 communication module in this embodiment is applicable.

In addition, it should be noted that the components of the present invention without specific functions and other components not mentioned in the drawings are not the improvement points and protection points of the present invention, and will not affect the realization and technology of the technical solutions of the present invention. The completeness of the scheme will not be repeated here.

The above content is a further detailed description of the provided technical solutions in conjunction with the preferred embodiments of the present invention. It cannot be considered that the specific implementation of the present invention is limited to the above-mentioned descriptions. For those of ordinary skill in the technical field to which the present invention belongs, On the premise of not departing from the concept of the present invention, some simple deductions or substitutions can also be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (9)

1. An electric energy meter 485 communication module terminal interface, characterized in that: it includes a socket installed on the downstream communication module of the electric energy meter, and a plug matched with the socket; the socket includes a plug-in and a plug-in matched with the plug-in. The end of the plug-in is welded on the circuit board of the downlink communication module and is electrically connected to the circuit board, the top of the plug-in clamps one end of the plug-in, and the other end of the plug-in can be matched with the plug; the plug-in and the plug-in The sheets are all conductive materials. 2 . The terminal interface of a 485 communication module of an electric energy meter according to claim 1 , wherein the socket further comprises a fixing seat for fixing the plug-in, and the fixing seat is fixedly installed in the downlink communication module, 2 . The fixed seat is made of insulating material. 3. The 485 communication module terminal interface of an electric energy meter according to claim 1, wherein the socket further comprises an adapter seat fixedly installed in the upper cover of the management core of the electric energy meter, and the adapter seat includes The jack is opened on the front and matched with the plug, and the insert port is opened on the back of the adapter seat and communicated with the jack; the other end of the insert extends into the insert port and is exposed in the jack. 4 . The terminal interface of a 485 communication module of an electric energy meter according to claim 3 , wherein the adapter further comprises elastic limit hooks arranged on the top or/and the bottom, and the adapter passes through the elastic limiter hook. 5 . The limit hook is fixed with the upper cover of the management core. 5 . The terminal interface of a 485 communication module of an electric energy meter according to claim 3 , wherein the plug comprises an insulating housing, a connector hardware inside the insulating housing, and a connector with the connector hardware. 6 . One end of the wire is connected; the other end of the plug-in hardware can be clamped and matched with the plug-in piece; the wire, the plug-in hardware and the plug-in piece are electrically connected. 6 . The terminal interface of a 485 communication module of an electric energy meter as claimed in claim 5 , wherein one end of the plug-in hardware is provided with a rubber plug, and the wire extends into the rubber plug and is connected to one end of the plug-in hardware. 7 . . 7 . The terminal interface of a 485 communication module of an electric energy meter according to claim 5 , wherein the adapter further comprises a limiter insert opening on the front and located above the jack, and the plug It also includes an elastic limit piece arranged on the top of the insulating shell. The end of the elastic limit piece is provided with a barb. The pressed elastic limit piece extends into the limit piece insertion port and then resets when the pressure disappears. Hook limit fixing. 8 . The terminal interface of a 485 communication module of an electric energy meter according to claim 3 , wherein the adapter seat is equipped with a waterproof plug. 9 . 9 . The terminal interface of a 485 communication module of an electric energy meter according to claim 3 , wherein a sealing ring is sleeved at the connection between the adapter seat and the upper cover of the management core. 10 .

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