CN211529783U

CN211529783U - Novel digital current transformer structure

Info

Publication number: CN211529783U
Application number: CN202020584387.0U
Authority: CN
Inventors: 张亚平
Original assignee: Suzhou Geleige Dynamo Electric Equipment Co ltd
Current assignee: Suzhou Geleige Dynamo Electric Equipment Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-09-18
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a novel digital current transformer structure, the on-line screen storage device comprises a base, the fixed surface of base is connected with the box, the inside fixedly connected with insulating ring of box, the inside of insulating ring is provided with the iron core, the surface of iron core is provided with the insulating layer, the surface of insulating layer is provided with secondary winding, secondary winding's both ends are provided with the wiring end, the wiring end has survey test panel through electric wire electric connection, the lateral wall is provided with the slide rail about the box, the surface of slide rail is provided with two extrusion pieces, the lateral wall of box just is located and is provided with the rotor between the extrusion piece, the surface of box just is located the below of extrusion piece and is provided with the display screen, the right side that the surface of box just is located the display screen. The utility model discloses, the suitability is strong, long service life.

Description

Novel digital current transformer structure

Technical Field

The utility model relates to a mutual-inductor field especially relates to a novel digital current transformer structure.

Background

The current transformer can change large current into small current for testing or protecting system, and has the main function of changing large current into standard small current in proportion.

When reusing current commutator again, the electric wire that will await measuring passes the iron core, electric wire current passes the iron core perpendicularly, produce magnetic field in the iron core, the iron core surface is provided with secondary winding, secondary winding produces the electric current, electric current through test secondary winding, can derive electric wire current through the proportion calculation, but when using current transformer under general condition, the electric wire is not at the most central point of iron core and puts, the electric current is not completely perpendicular to pass the iron core, the magnetic field intensity that leads to different parts production in the iron core is different, local magnetic field intensity is too strong, lead to the local high temperature of iron core, current commutator damages, need fixed electric wire position, make the safer use of mutual-inductor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a novel digital current transformer structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel digital current transformer structure, the on-line screen storage device comprises a base, the fixed surface of base is connected with the box, the inside fixedly connected with insulating ring of box, the inside of insulating ring is provided with the iron core, the surface of iron core is provided with the insulating layer, the surface of insulating layer is provided with secondary winding, secondary winding's both ends are provided with the wiring end, wiring end has survey test panel through electric wire electric connection, the lateral wall is provided with the slide rail about the box, the surface of slide rail is provided with two extrusion blocks, the lateral wall of box just is located and is provided with the rotor between the extrusion block, the surface of box just is located the below of extrusion block and is provided with the display screen, the surface of box just is located the right side.

As a further description of the above technical solution:

threaded holes are formed in the surface of the base, and a reinforcing plate is arranged between the base and the box body.

As a further description of the above technical solution:

the surface of the insulating ring is provided with a plurality of through holes.

As a further description of the above technical solution:

the extrusion blocks are fixedly connected through a plurality of springs.

As a further description of the above technical solution:

the surface of the extrusion block is provided with a mounting groove, and one side of the surface of the extrusion block, which is far away from the mounting groove, is provided with a movement groove.

As a further description of the above technical solution:

the inside fixedly connected with stripper plate of mounting groove, the inside of mounting groove and the both sides that are located the stripper plate are provided with a plurality of card posts.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this neotype digital current transformer structure, the lateral wall of box is provided with the slide rail, the surface of slide rail sets up two and has the extrusion piece, be provided with a plurality of springs between the extrusion piece, the lateral wall of box just is located and is provided with the rotor between the extrusion piece, the rotor moves at the motion inslot, because the existence of spring, the rotor rotates and makes the distance between the motion piece controllable, when passing through the electric wire in the iron core, rotate the rotor, no support has been located between the two extrusion pieces, be close to each other under spring force, the surface of extrusion piece is provided with the stripper plate, the stripper plate contacts with the electric wire, the both sides of stripper plate are provided with the card post, the card post that two extrusion pieces set up can pass through each other, it is big to make no matter the intra-annular electric wire radius that passes through, can all carry out central fixed to it, the.

2. Compared with the prior art, this neotype digital current transformer structure adds between base and the quick-witted case and is equipped with the reinforcing plate, and reinforcing device intensity puts the electric wire control at the iron core central point, makes the magnetic field of production in the iron core even, and the iron core is heated evenly, and is not fragile, device long service life.

Drawings

Fig. 1 is a novel front view of a novel digital current transformer structure provided by the present invention;

fig. 2 is a novel left side view of a novel digital current transformer structure provided by the present invention;

fig. 3 is a front view of a novel internal structure of a novel digital current transformer structure provided by the present invention;

fig. 4 is a partial enlarged view of a position a in fig. 3 of a novel digital current transformer structure provided by the present invention.

Illustration of the drawings:

1. a base; 2. a box body; 3. an insulating ring; 4. an iron core; 5. an insulating layer; 6. a secondary winding; 7. a terminal; 8. a test board; 9. a slide rail; 10. extruding the block; 11. a rotor; 12. a display screen; 13. a turntable; 14. a threaded hole; 15. a reinforcing plate; 16. a through hole; 17. a spring; 18. a placing groove; 19. a motion groove; 20. a pressing plate; 21. and (5) clamping the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a novel digital current transformer structure: comprises a base 1, a box body 2 is fixedly connected to the surface of the base 1, an insulating ring 3 is fixedly connected to the inside of the box body 2, people injured by electric leakage are placed, an iron core 4 is arranged inside the insulating ring 3, an insulating layer 5 is arranged on the surface of the iron core 4, a secondary winding 6 is arranged on the surface of the insulating layer 5, wiring ends 7 are arranged at two ends of the secondary winding 6, the wiring ends 7 are electrically connected with a test board 8 through electric wires, slide rails 9 are arranged on the left side wall and the right side wall of the box body 2, two extrusion blocks 10 are arranged on the surface of the slide rails 9, a rotor 11 is arranged on the side wall of the box body 2 and between the extrusion blocks 10, the rotor 11 moves in a movement groove 19, a display screen 12 is arranged on the surface of the box body 2 and below the extrusion blocks 10, the display screen 12 is electrically connected with the test board 8, the measurement precision is higher.

Threaded hole 14 has been seted up on the surface of base 1, be provided with reinforcing plate 15 between base 1 and the box 2, consolidate being connected of box 2 and base 1, a plurality of through-holes 16 have been seted up on the surface of insulating ring 3, secondary winding 6 even holds and extends outside insulating ring 3 through-hole 16, through a plurality of spring 17 fixed connection between the extrusion piece 10, mounting groove 18 has been seted up on the surface of extrusion piece 10, the surface of extrusion piece 10 and keep away from one side of mounting groove 18 and seted up motion groove 19, the inside fixedly connected with stripper plate 20 of mounting groove 18, be used for the extrusion electric current electric wire that awaits measuring, the inside of mounting groove 18 and the both sides that are located stripper plate 20 are provided with a plurality of card posts 21, the card post 21 of extrusion piece 10 can crisscross pass from top to.

The working principle is as follows: utilize the screw to fix the mutual-inductor on the wall body surface, pass insulator ring 3 with the current electric wire that awaits measuring, rotor 11 rotates, it is close to the electric wire by spring 17 elasticity traction between the extrusion piece 10, stripper plate 20 contacts the electric wire both ends, from this limit the electric wire at insulator ring 3 central point, the electric wire circular telegram, the electric current passes iron core 4 perpendicularly, iron core 4 produces the magnetic field, iron core 4's surface is provided with secondary winding 6, secondary winding 6's inside produces the electric current, the electric current passes through wiring end 7 and gets into test panel 8, test panel 8 draws current data, the electric wire current this moment is drawn in the inside calculation of rethread, and show data through display screen 12.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel digital current transformer structure, includes base (1), its characterized in that: the surface of the base (1) is fixedly connected with a box body (2), the interior of the box body (2) is fixedly connected with an insulating ring (3), an iron core (4) is arranged in the insulating ring (3), an insulating layer (5) is arranged on the surface of the iron core (4), a secondary winding (6) is arranged on the surface of the insulating layer (5), two ends of the secondary winding (6) are provided with wiring terminals (7), the wiring end (7) is electrically connected with a test board (8) through an electric wire, the left side wall and the right side wall of the box body (2) are provided with slide rails (9), two extrusion blocks (10) are arranged on the surface of the sliding rail (9), a rotor (11) is arranged on the side wall of the box body (2) and between the extrusion blocks (10), a display screen (12) is arranged on the surface of the box body (2) and below the extrusion block (10), and a turntable (13) is arranged on the surface of the box body (2) and positioned on the right side of the display screen (12).

2. The novel digital current transformer structure of claim 1, wherein: threaded holes (14) are formed in the surface of the base (1), and a reinforcing plate (15) is arranged between the base (1) and the box body (2).

3. The novel digital current transformer structure of claim 1, wherein: the surface of the insulating ring (3) is provided with a plurality of through holes (16).

4. The novel digital current transformer structure of claim 1, wherein: the extrusion blocks (10) are fixedly connected through a plurality of springs (17).

5. The novel digital current transformer structure of claim 1, wherein: a placing groove (18) is formed in the surface of the extrusion block (10), and a moving groove (19) is formed in the surface of the extrusion block (10) and on one side far away from the placing groove (18).

6. The novel digital current transformer structure of claim 5, wherein: the inside fixedly connected with stripper plate (20) of mounting groove (18), the inside of mounting groove (18) and the both sides that are located stripper plate (20) are provided with a plurality of card posts (21).