CN220440090U

CN220440090U - Short circuit structure of intelligent terminal access device

Info

Publication number: CN220440090U
Application number: CN202322151442.3U
Authority: CN
Inventors: 徐丹
Original assignee: Zhejiang Renyao Electric Technology Co ltd
Current assignee: Zhejiang Renyao Electric Technology Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-02-02
Anticipated expiration: 2033-08-11

Abstract

The utility model discloses a short circuit structure of an intelligent terminal access device, which comprises a base, wherein a row of terminal plug sleeves are arranged on the base, a wiring part is arranged on the side part of the base, a meter plug sleeve and a terminal plug sleeve are respectively connected with corresponding wiring heads through conductive connecting pieces to form a plurality of groups of current-voltage loops and a group of grounding loops, wherein a short circuit piece is respectively arranged on two adjacent plug sleeves in a terminal plug post in a current outflow loop, in an initial state, the two short circuit pieces are in butt joint to realize short circuit, an insulating plate for disconnecting the two short circuit pieces is correspondingly arranged on the terminal plug, and after the terminal plug is electrically connected with the terminal plug sleeve, the insulating plate is arranged between the two short circuit pieces, so that the short circuit of a secondary loop is disconnected and is connected with the terminal plug; this application is when short circuit to terminal plug bush, adopts the short circuit piece to carry out the short circuit, and sets up convex conductive connection head on the short circuit piece for two short circuit pieces directly can not break away from because of deformation, and the security performance is better.

Description

Short circuit structure of intelligent terminal access device

Technical Field

The utility model belongs to the field of electrical equipment, and particularly relates to a short circuit structure of an intelligent terminal access device.

Background

In a power grid system, a secondary loop with current and voltage transformers is generally adopted to indirectly meter or measure parameters such as current, voltage, power, phase and frequency in a main loop. In the electrified state, the current loop of the secondary loop cannot be opened, otherwise, the secondary coil of the current transformer is opened to generate high voltage, the insulation of the secondary winding and the wiring terminal can be damaged, and the personal safety can be seriously endangered. In such a case, it is a difficult problem how to draw out the current and voltage in the secondary loop to access the intelligent terminal for the electrical parameter measurement operation without ensuring that the secondary loop is not disconnected. The utility model discloses a CN216145778U intelligent terminal access device, it is through at least partial plug bush in the terminal spliced pole through short circuit shell fragment short circuit when inserting intelligent terminal, be equipped with insulating barrier on the lock pin of terminal plug, make insulating barrier and short circuit shell fragment separate when terminal plug is connected with the plug bush in the terminal spliced pole, thereby secondary circuit and intelligent terminal connection detect, extract terminal plug, the short circuit shell fragment can automatic short circuit electric current flow loop two plug bushes, keep whole electric current loop not break; in the technical scheme, short circuit is carried out only through the elastic sheets, and the two elastic sheets are easy to deform after being used, so that when a terminal plug is pulled out, a secondary circuit is opened.

Disclosure of Invention

In view of the problems mentioned in the background art, an object of the present utility model is to provide a shorting structure of an access device of an intelligent terminal, so as to solve the problems mentioned in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a short circuit structure of intelligent terminal access device, includes the base, is equipped with a row of terminal plug bush on it, still includes the terminal plug of being connected with terminal plug bush electricity, just the base lateral part is equipped with wiring portion, wiring portion includes a plurality of connector lugs, wherein, meter plug bush and terminal plug bush are connected through conductive connection spare respectively with the connector lug that corresponds of position, constitute multiunit electric current voltage return circuit and a set of ground return circuit, wherein, be provided with a short circuit spare on two adjacent plug bushes in the terminal plug post in the electric current outflow return circuit respectively, during initial state, two short circuit spare butt joints realize the short circuit, correspond, be provided with the insulation board of breaking two short circuit spare on the terminal plug bush, after terminal plug and terminal plug bush electricity are connected, the insulation board is arranged in between two short circuit spare for secondary circuit short circuit disconnection and with terminal plug connection.

Preferably, the short circuit piece comprises a conductive sheet body, the tail end of the conductive sheet body is bent to form a terminal plug bush connecting pin, and the top end of the conductive sheet body is provided with a conductive connector protruding out of the conductive sheet body.

Preferably, the conductive connector is disposed on the outer side of the top end of the conductive sheet body.

Preferably, the conductive connector has a hemispherical structure.

In summary, the utility model has the following advantages:

this application is when short circuit to terminal plug bush, adopts the short circuit piece to carry out the short circuit, and sets up convex conductive connection head on the short circuit piece for two short circuit pieces directly can not break away from because of deformation, and the security performance is better.

Drawings

FIG. 1 is a schematic view of the mounting structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic view of the circuit connection structure in the base of the present utility model;

FIG. 4 is a schematic cross-sectional view of a terminal plug portion according to the present utility model;

FIG. 5 is a schematic view of the short circuit structure of the present utility model;

fig. 6 is a schematic view of the structure of the terminal plug of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-6, a shorting structure of an intelligent terminal access device according to this embodiment includes a base 1, a row of terminal sockets 2 are disposed on the base, and further includes a terminal plug 3 electrically connected with the terminal sockets, and a wiring portion 4 is disposed on a side portion of the base, the wiring portion includes a plurality of connector lugs 5, wherein, the meter socket and the terminal socket are connected with the connector lugs corresponding to positions through conductive connectors respectively, so as to form a plurality of groups of current-voltage loops 6 and a group of grounding loops 7, wherein a short connector 8 is disposed on two adjacent sockets in a terminal socket post in a current outflow loop respectively, in an initial state, the two short connectors are abutted to realize shorting, correspondingly, an insulating board 9 for disconnecting the two short connectors is disposed on the terminal plug, after the terminal plug is electrically connected with the terminal socket, the insulating board is disposed between the two short connectors, so that a secondary loop is disconnected and connected with the terminal plug, the short connector comprises a conductive sheet body 30, the terminal plug connection pin 31 is formed at the end of the conductive sheet body, a protruding connector head 32 is disposed at the top end of the conductive sheet body, and the conductive sheet is arranged at the outer side of the conductive connector body, or in a semi-spherical shape.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A short circuit structure of intelligent terminal access device, its characterized in that: the meter plug bush comprises a base, a row of terminal plug bushes are arranged on the base, terminal plugs electrically connected with the terminal plug bushes are further arranged on the side portions of the base, wiring portions are arranged on the side portions of the base, the wiring portions comprise a plurality of wiring heads, the meter plug bushes and the wiring heads corresponding to the terminal plug bushes are respectively connected through conductive connecting pieces to form a plurality of groups of current-voltage loops and a group of grounding loops, a short circuit piece is respectively arranged on two adjacent plug bushes in a terminal plug post in a current outflow loop, in an initial state, the short circuit is realized by butt joint of the two short circuit pieces, an insulating board for disconnecting the two short circuit pieces is correspondingly arranged on the terminal plug bushes, and after the terminal plug bushes are electrically connected with the terminal plug bushes, the insulating board is arranged between the two short circuit pieces, so that the secondary loop is disconnected by short circuit and is connected with the terminal plug bushes.

2. The shorting structure of an intelligent terminal access device according to claim 1, wherein: the short circuit piece comprises a conducting strip body, the tail end of the conducting strip body is bent to form a terminal plug bush connecting pin, and the top end of the conducting strip body is provided with a conducting connector protruding out of the conducting strip body.

3. The shorting structure of an intelligent terminal access device according to claim 2, wherein: the conductive connector is arranged on the outer side of the top end of the conductive sheet body.

4. The shorting structure of an intelligent terminal access device according to claim 2, wherein: the conductive connector is of a hemispherical structure.