CN217426536U

CN217426536U - Novel current transformer

Info

Publication number: CN217426536U
Application number: CN202220534535.7U
Authority: CN
Inventors: 郑海荣
Original assignee: Echun Electronic Co ltd
Current assignee: Echun Electronic Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-09-13
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a novel current transformer, which comprises a current transformer body, wherein the current transformer body comprises a shell body, the interior of the shell body is of a hollow structure, the shell body comprises a plastic shell and a plastic shell cover plate which are mutually clamped, the bottom parts of the plastic shell and the plastic shell cover plate are clamped with a plastic positioning buckle bottom plate, a mutual inductor window hole is formed in the plastic shell and the plastic shell cover plate, a plurality of U-shaped PINs are connected in the mutual inductor window hole in a penetrating manner, the side walls of the plastic shell and the plastic shell cover plate are both connected with plastic positioning buckles for fixing the U-shaped PINs, and the plastic positioning buckles comprise a right plastic positioning buckle connected with the side wall of the plastic shell and a left plastic positioning buckle connected with the plastic shell cover plate; the utility model discloses current transformer and U-shaped PIN can nimble selectivity installation, and the mounting means is various, does not influence the product size, and convenient to use can perfect cooperation be in the same place with current transformer.

Description

Novel current transformer

Technical Field

The utility model relates to a current transformer technical field specifically is a novel current transformer.

Background

The current transformer is an electric device which converts a primary current with a large value into a secondary current with a small value through a certain transformation ratio according to the electromagnetic induction principle so as to perform protection or measurement. At present, some current transformer structural devices in the market do not have primary conductors or primary conductors do not have multiple paths of selection, and have great limitation in use.

Disclosure of Invention

In order to overcome the not enough of prior art scheme, the utility model provides a novel current transformer can the effectual problem that the solution background art provided.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a novel current transformer, includes the current transformer body, the current transformer body includes that inside is hollow structure's casing, the casing includes the plastic shell and the plastic shell apron of mutual joint, plastic shell and plastic shell apron bottom joint have plastic location buckle bottom plate, the mutual-inductor fenestra has been seted up on plastic shell and the plastic shell apron, it is connected with a plurality of U-shaped PIN to run through in the mutual-inductor fenestra, plastic shell and plastic shell apron lateral wall all be connected with and carry out the plastic location buckle fixed to U-shaped PIN, plastic location buckle include the right plastic location buckle that is connected with the plastic shell lateral wall and with the left plastic location buckle that the plastic shell apron is connected.

As a further explanation, the upper end face of the plastic positioning buckle bottom plate is symmetrically connected with a set of clamping columns, clamping grooves matched with the clamping columns for use are formed in the right plastic positioning buckle and the left plastic positioning buckle, and the clamping columns are clamped in the clamping grooves.

As a further explanation, the plastic positioning buckle bottom plate is provided with a plurality of positioning holes for positioning the U-shaped PIN; the diameter of the locating hole is consistent with that of the U-shaped PIN, and the U-shaped PIN penetrates through the locating hole and extends to the bottom of the plastic positioning buckle bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the novel current transformer has the advantages of small volume, high reliability, quick and convenient whole disassembly and assembly process, simple structure and convenient use, and can meet the measurement of single-phase and three-phase electric leakage occasions; and current transformer and U-shaped PIN can nimble selectivity installation, and the mounting means is various, does not influence the product size, and convenient to use can perfect adaptation with current transformer be in the same place.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a left side view of the present invention.

Reference numbers in the figures: 1-a current transformer body; 2-a shell; 3-plastic shell; 4-plastic casing cover plate; 5-plastic positioning buckle bottom plate; 6-aperture of mutual inductor; 7-U shaped PIN; 8-plastic positioning buckle; 9-right plastic positioning buckle; 10-left plastic positioning buckle; 11-positioning holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the present embodiment provides a novel current transformer, which includes a current transformer body 1, the current transformer body 1 comprises a shell 2 with a hollow structure inside, the shell 2 comprises a plastic shell 3 and a plastic shell cover plate 4 which are mutually clamped, the bottom of the plastic shell 3 and the plastic shell cover plate 4 is clamped with a plastic positioning buckle 8 bottom plate 5, the plastic shell 3 and the plastic shell cover plate 4 are provided with a mutual inductor window hole 6, a plurality of U-shaped PINs 7 are connected in the mutual inductor window hole 6 in a penetrating way, the side walls of the plastic shell 3 and the plastic shell cover plate 4 are both connected with a plastic positioning buckle 8 for fixing the U-shaped PIN7, the plastic positioning buckle 8 comprises a right plastic positioning buckle 9 connected with the side wall of the plastic shell 3 and a left plastic positioning buckle 10 connected with the plastic shell cover plate 4.

The upper end face of the bottom plate 5 of the plastic positioning buckle 8 is symmetrically connected with a set of clamping columns, clamping grooves matched with the clamping columns for use are formed in the right plastic positioning buckle 9 and the left plastic positioning buckle 10, and the clamping columns are clamped in the clamping grooves.

A plurality of positioning holes 11 for positioning the U-shaped PIN7 are formed in the bottom plate 5 of the plastic positioning buckle 8.

The diameter of the positioning hole 11 is consistent with that of the U-shaped PIN7, and the U-shaped PIN7 penetrates through the positioning hole 11 and extends to the bottom of the bottom plate 5 of the plastic positioning buckle 8.

The novel current transformer provided by the embodiment has the advantages of small volume, high reliability, quick and convenient whole disassembly and assembly process, simple structure and convenient use, and can meet the measurement of single-phase and three-phase electric leakage occasions of electric power; and current transformer and U-shaped PIN7 can nimble selectivity installation, and the mounting means is various, does not influence the product size, and convenient to use can perfect adaptation with current transformer be in the same place.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A novel current transformer is characterized in that: including the current transformer body, the current transformer body includes inside casing that is hollow structure, the casing includes the plastic shell and the plastic shell apron of mutual joint, plastic shell and plastic shell apron bottom joint have plastic location buckle bottom plate, the mutual-inductor fenestra has been seted up on plastic shell and the plastic shell apron, it is connected with a plurality of U-shaped PINs to run through in the mutual-inductor fenestra, plastic shell and plastic shell apron lateral wall all be connected with and carry out the plastic location buckle fixed to U-shaped PIN, plastic location buckle include with the right plastic location buckle that the plastic shell lateral wall is connected and with the left plastic location buckle that plastic shell apron is connected.

2. The novel current transformer of claim 1, wherein: the upper end face of the plastic positioning buckle bottom plate is symmetrically connected with a group of clamping columns, clamping grooves matched with the clamping columns for use are formed in the right plastic positioning buckle and the left plastic positioning buckle, and the clamping columns are clamped in the clamping grooves.

3. The novel current transformer according to claim 1, characterized in that: the plastic positioning buckle bottom plate is provided with a plurality of positioning holes for positioning the U-shaped PIN; the diameter of the locating hole is consistent with that of the U-shaped PIN, and the U-shaped PIN penetrates through the locating hole and extends to the bottom of the plastic positioning buckle bottom plate.