CN211980399U

CN211980399U - Current transformer for electric power marketing

Info

Publication number: CN211980399U
Application number: CN202020316905.0U
Authority: CN
Inventors: 杜伟; 王博; 白明生; 姚辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-15
Filing date: 2020-03-15
Publication date: 2020-11-20
Anticipated expiration: 2030-03-15

Abstract

The utility model discloses a current transformer is used in electric power marketing, which comprises an outer shell, shell upper end fixedly connected with connection terminal, the outside fixedly connected with protection casing of connection terminal upper end, the open slot that bilateral symmetry set up is seted up to the protection casing front end, the screw hole that link up mutually with the open slot is all seted up in the protection casing left and right sides both ends outside, threaded hole female connection has the hand to twist the bolt, shell front end swing joint has the front end housing, shell right-hand member fixedly connected with fixed block. This current transformer for electric power marketing reduces the dismouting degree of difficulty, the better demonstrates current transformer is inside, the effect of electric power marketing is improved, current transformer's heat dispersion has been improved, the dismantlement of the U type curb plate of being convenient for, use through the cooperation of fixed block, compression spring and stopper, play spacing effect, ensure the stability of front end housing position, and the guide way and the guide block of addding, be convenient for promote the stopper backward to make things convenient for opening of front end housing.

Description

Current transformer for electric power marketing

Technical Field

The utility model relates to a current transformer technical field specifically is a current transformer for electric power marketing.

Background

The current transformer is an instrument for converting a large primary side current into a small secondary side current according to the electromagnetic induction principle to measure, and consists of a closed iron core and a winding, wherein the primary side winding has few turns and is connected in a circuit of the current to be measured in series.

The effect of current transformer can be the great primary current of numerical value converts the less secondary current of numerical value into through certain transformation ratio, use such as be used for protecting, measure, and in order to make the use of understanding current transformer that the customer can be better, when marketing, need demonstrate current transformer, but current transformer structure is complicated, inconvenient dismantlement, can not be better show current transformer is inside, and current transformer works for a long time and easily generates heat, influence current transformer life's shortcoming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a current transformer for electric power marketing to it is complicated to provide current transformer structure in solving above-mentioned background art, inconvenient dismantlement, can not be better show current transformer is inside, and current transformer long-time work easily generates heat, influences current transformer life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a current transformer for electric power marketing, includes the shell, shell upper end fixedly connected with connection terminal, connection terminal upper end outside fixedly connected with protection casing, the open slot that bilateral symmetry set up is seted up to the protection casing front end, the screw hole that link up mutually with the open slot is all seted up in the protection casing left and right sides both ends outside, screw hole female connection has the hand to twist the bolt, shell front end swing joint has the front end housing, shell right-hand member fixedly connected with fixed block.

Preferably, the fixed block front end is the open type design, the compression spring that fixedly connected with symmetry set up in the fixed block, compression spring and another compression spring front end fixedly connected with stopper, the guide way has been seted up to the fixed block right-hand member, stopper right-hand member fixedly connected with guide block, the guide block right-hand member passes the guide way and outwards extends.

Preferably, the inner side of the left end of the shell is fixedly connected with first magnets which are symmetrically arranged up and down, the left end of the shell is movably connected with a U-shaped side plate, the inner side of the right end of the U-shaped side plate is fixedly connected with second magnets which are symmetrically arranged up and down, and the second magnets are magnetically connected with the first magnets.

Preferably, the left end of the U-shaped side plate is provided with through holes which are symmetrically arranged up and down, and fans are fixedly connected in the through holes.

Preferably, the sliding grooves are formed in the inner sides of the upper end and the lower end of the shell, the sliding blocks are fixedly connected to the two ends of the upper end of the front end cover, and the sliding grooves and the sliding blocks are in sliding connection.

Preferably, the front end cover is provided with a square groove corresponding to the shell.

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

1. according to the current transformer for electric marketing, due to the design of the sliding groove and the sliding block, the front end cover is convenient to disassemble, tools are not needed, the disassembling difficulty is reduced, the interior of the current transformer is better displayed, and the electric marketing effect is improved;

2. according to the current transformer for electric power marketing, through the design of the fan, the heat dissipation performance of the current transformer is improved, the current transformer is prevented from being damaged due to long-time high-temperature operation, and the U-shaped side plate is convenient to disassemble through the design of the first magnet and the second magnet;

3. this current transformer for electric power marketing uses through the cooperation of fixed block, compression spring and stopper, plays spacing effect, ensures the stability of front end housing position, and the guide way and the guide block of addding are convenient for promote the stopper backward to make things convenient for opening of front end housing.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 3 according to the present invention.

In the figure: 1. a housing; 2. a wire holder; 3. a protective cover; 4. an open slot; 5. a threaded hole; 6. screwing the bolt by hand; 7. a front end cover; 8. a fixed block; 9. a compression spring; 10. a limiting block; 11. a guide groove; 12. a guide block; 13. a first magnet; 14. a U-shaped side plate; 15. a second magnet; 16. a through hole; 17. a fan; 18. a sliding groove; 19. a slider; 20. a square groove.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a current transformer for electric power marketing comprises a shell 1, a wire holder 2, a protective cover 3, an open slot 4, a threaded hole 5, a hand-screwed bolt 6, a front end cover 7, a fixed block 8, a compression spring 9, a limiting block 10, a guide groove 11, a guide block 12, a first magnet 13, a U-shaped side plate 14, a second magnet 15, a through hole 16, a fan 17, a sliding groove 18, a sliding block 19 and a square groove 20, wherein the wire holder 2 is fixedly connected to the upper end of the shell 1, the protective cover 3 is fixedly connected to the outer side of the upper end of the wire holder 2, the open slot 4 which is bilaterally symmetrically arranged is formed in the front end of the protective cover 3, the threaded hole 5 communicated with the open slot 4 is formed in the outer side of the left end and the right end of the protective cover 3, the hand-screwed bolt 6 is connected to the;

furthermore, the front end of the fixed block 8 is in an open design, compression springs 9 which are symmetrically arranged are fixedly connected in the fixed block 8, a limiting block 10 is fixedly connected with the front ends of the compression spring 9 and the other compression spring 9, a guide groove 11 is formed in the right end of the fixed block 8, a guide block 12 is fixedly connected with the right end of the limiting block 10, the right end of the guide block 12 penetrates through the guide groove 11 to extend outwards, and the limiting block 10 is conveniently driven to move backwards through the design of the guide groove 11 and the guide block 12, so that the front end cover 7 is convenient to open;

further, a first magnet 13 which is symmetrically arranged up and down is fixedly connected to the inner side of the left end of the shell 1, a U-shaped side plate 14 is movably connected to the left end of the shell 1, a second magnet 15 which is symmetrically arranged up and down is fixedly connected to the inner side of the right end of the U-shaped side plate 14, and the second magnet 15 is magnetically connected with the first magnet 13;

furthermore, through holes 16 are formed in the left end of the U-shaped side plate 14, the through holes 16 are vertically and symmetrically arranged, a fan 17 is fixedly connected in each through hole 16, and through the design of the fan 17, the heat dissipation effect of the current transformer is improved, long-time high-temperature operation is avoided, and aging of components in the current transformer is accelerated;

furthermore, sliding grooves 18 are formed in the inner sides of the upper end and the lower end of the shell 1, sliding blocks 19 are fixedly connected to the two ends of the upper end of the front end cover 7, the sliding grooves 18 and the sliding blocks 19 are in sliding connection, the front end cover 7 can be conveniently opened and closed through the matching use of the sliding grooves 18 and the sliding blocks 19, and the stability of the front end cover 7 is improved;

furthermore, the front end cover 7 is provided with a square groove 20 corresponding to the shell 1, so that the normal use of the current transformer is ensured.

The working principle is as follows: firstly pushing a guide block 12 backwards, the guide block 12 sliding backwards in a guide groove 11, a limiting block 10 at the left end of the guide block 12 moving backwards in a fixed block 8, the limiting block 10 compressing a compression spring 9 backwards until the limiting block 10 is separated from a front end cover 7, sliding the front end cover 7 rightwards at the same time, sliding blocks 19 at the upper end and the lower end of the front end cover 7 sliding outwards in a sliding groove 18 until the front end cover 7 is completely removed, displaying the inside of a shell 1, then loading the front end cover 7 again, loosening the guide block 12, pushing the limiting block 10 forwards under the action of the elastic force of the compression spring 9, attaching the limiting block 10 to the front end cover 7, ensuring the stability of the front end cover 7, placing a U-shaped side plate 14 at the left end of the shell 1, magnetically connecting a second magnet 15 at the inner side of the U-shaped side plate 14 with a first magnet 13 in the shell 1, fixing the U-shaped side plate 14, inserting connecting lines into open grooves 4 on, the hand in the screw hole 5 is rotated to screw the bolt 6, the connecting wire is fixed, the fan 17 is electrified, the fan 17 blows air to the shell 1, and the temperature of the shell 1 is reduced.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a current transformer for electric power marketing, includes the shell, its characterized in that: the utility model discloses a cable protection device, including shell, wire holder, protection casing front end, both ends outside are all seted up the screw hole that link up mutually with the open slot, screw hole female connection has the hand to twist the bolt, shell front end swing joint has the front end housing, shell right-hand member fixedly connected with fixed block.

2. The current transformer for electric marketing according to claim 1, characterized in that: the fixed block front end is the open type design, the compression spring that fixedly connected with symmetry set up in the fixed block, compression spring and another compression spring front end fixedly connected with stopper, the guide way has been seted up to the fixed block right-hand member, stopper right-hand member fixedly connected with guide block, the guide block right-hand member passes the guide way and outwards extends.

3. The current transformer for electric marketing according to claim 1, characterized in that: the shell comprises a shell body, wherein the shell body is provided with a left end and a right end, the left end of the shell body is fixedly connected with a first magnet, the first magnet is arranged on the inner side of the left end of the shell body in an up-and-down symmetrical mode, the left end of the shell body is movably connected with a U-shaped side plate, the inner side of the right end of the U-shaped side plate is fixedly connected with a second magnet.

4. The current transformer for electric marketing according to claim 3, characterized in that: the U-shaped side plate is characterized in that through holes which are symmetrically arranged up and down are formed in the left end of the U-shaped side plate, and fans are fixedly connected in the through holes.

5. The current transformer for electric marketing according to claim 1, characterized in that: the sliding grooves are formed in the inner sides of the upper end and the lower end of the shell, sliding blocks are fixedly connected to the two ends of the upper end of the front end cover, and the sliding grooves and the sliding blocks are in sliding connection.

6. The current transformer for electric marketing according to claim 1, characterized in that: the front end cover is provided with a square groove corresponding to the shell.