CN216084583U

CN216084583U - Current transformer for high-voltage power cabinet for power construction

Info

Publication number: CN216084583U
Application number: CN202121999552.XU
Authority: CN
Inventors: 谭可叶
Original assignee: Beijing Faust Power Engineering Co ltd
Current assignee: Beijing Faust Power Engineering Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-18
Anticipated expiration: 2031-08-24

Abstract

The utility model belongs to the technical field of power equipment, and particularly relates to a current transformer for a high-voltage power cabinet for power construction, which comprises a current transformer main body, wherein two binding posts are arranged on the top surface of the current transformer main body, a wiring screw hole is formed in the tops of the binding posts, a wiring hole is formed in the middle of the current transformer main body, an insulating shell is arranged on the wiring hole, limiting grooves are formed in two sides of the current transformer main body, two rotating limiting blocks are arranged in the middle of the limiting grooves, connecting blocks are arranged at the tops of the rotating limiting blocks, a turntable is arranged at the bottom of the current transformer main body, and a fixed base is arranged at the bottom of the turntable; according to the current transformer for the high-voltage power cabinet, the current transformer can be flexibly installed in the high-voltage power cabinet by using the limiting groove and the connecting block, the angle adjustment of wire routing is facilitated by using the rotary table and the fixing base, and the plurality of current transformers can be used in parallel by using the rotary limiting block and the connecting block.

Description

Current transformer for high-voltage power cabinet for power construction

Technical Field

The utility model belongs to the technical field of power equipment, and particularly relates to a current transformer for a high-voltage power cabinet for power construction.

Background

The current transformer principle is based on the electromagnetic induction principle. The current transformer is composed of a closed iron core and a winding. The primary winding of the current transformer has few turns and is connected in series in a circuit of current to be measured, so that all current of the circuit always flows through the current transformer, the secondary winding has more turns and is connected in series in a measuring instrument and a protection circuit, and the secondary circuit of the current transformer is always closed when the current transformer works, so that the impedance of a series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to short circuit.

Original current transformer is when using, and is the snap-on usually in the electronic box, and the interior circuit of high-tension power cabinet is more, and the internal environment is more complicated, and ordinary current transformer often meets the inconvenient problem of installation, also often can only increase the circuit because of installation angle when the cluster line, has influenced high-tension power cabinet inside and has walked the line, leads to electric power constructor availability factor to reduce, has increased construction cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the current transformer for the high-voltage power cabinet for power construction, which has the characteristics of simple use, convenience in installation and tidy wiring.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a current transformer for high-tension electricity cabinet for electric power construction, includes the current transformer main part, current transformer main part top surface is provided with two terminals, the terminal top is provided with the wiring screw, be provided with in the middle of the current transformer main part and walk the line hole, walk and install the insulating casing above the line hole, the spacing groove is installed to current transformer main part both sides, be provided with two rotatory stoppers in the middle of the spacing groove, the connecting block is installed at rotatory stopper top, be provided with the connecting hole in the middle of the connecting block, current transformer main part bottom is provided with the carousel, unable adjustment base is installed to the carousel bottom, the unable adjustment base both ends are provided with fixing thread hole.

As a preferred technical solution of the present invention, the bottom of the terminal post is electrically connected to the inside of the current transformer main body.

As a preferred technical solution of the present invention, the rotation limiting block may move up and down in the limiting groove.

As a preferable technical scheme of the utility model, the transverse section of the connecting block is an L-shaped structure, and the rotating limiting block can rotate the connecting block to adjust the orientation of the L-shaped surface.

As a preferable technical solution of the present invention, the connecting hole may connect the two connecting blocks by bolts, so that the two current transformer bodies are connected in parallel.

As a preferred technical solution of the present invention, the fixing base may be fixed inside the high voltage power cabinet by using the fixing threaded hole, and the turntable may rotate the current transformer main body and adjust the orientation of the wire feeding hole.

Compared with the prior art, the utility model has the beneficial effects that: according to the current transformer for the high-voltage power cabinet, the current transformer can be flexibly installed in the high-voltage power cabinet by utilizing the limiting groove and the connecting block, the angle adjustment of wire routing is facilitated by utilizing the rotary table and the fixed base, the utilization rate of an internal space is improved, the plurality of current transformers can be used in parallel by utilizing the rotary limiting block and the connecting block, the uniformity of the wire routing of the wire is ensured, the internal environment of the high-voltage power cabinet is improved, the use of power construction personnel is facilitated, and the construction efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

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

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

FIG. 4 is a schematic bottom view of the present invention;

FIG. 5 is a schematic view of a portion of the present invention;

in the figure: 1. a current transformer body; 2. a binding post; 3. a wiring screw hole; 4. a wiring hole; 5. an insulating case; 6. a limiting groove; 7. connecting blocks; 8. rotating the limiting block; 9. a turntable; 10. a fixed base; 11. fixing the threaded hole; 12. and connecting the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a current transformer for a high-voltage power cabinet for power construction comprises a current transformer main body 1, two binding posts 2 are arranged on the top surface of the current transformer main body 1, wiring screw holes 3 are arranged on the tops of the binding posts 2, a wiring hole 4 is arranged in the middle of the current transformer main body 1, an insulating shell 5 is arranged on the wiring hole 4, limiting grooves 6 are arranged on two sides of the current transformer main body 1, two rotating limiting blocks 8 are arranged in the middle of the limiting grooves 6, connecting blocks 7 are arranged on the tops of the rotating limiting blocks 8, a connecting hole 12 is arranged in the middle of the connecting blocks 7, a rotary table 9 is arranged at the bottom of the current transformer main body 1, a fixed base 10 is arranged at the bottom of the rotary table 9, fixed threaded holes 11 are arranged at two ends of the fixed base 10, when in use, an electric wire firstly passes through the wiring hole 4, then the fixed base 10 is fixed in the high-voltage power cabinet by the fixed threaded holes 11, and the wiring direction is adjusted by the rotary table 9, the current transformer can be connected with a circuit in series by utilizing the two binding posts 2, so that the high-voltage power cabinet is convenient to use, when the internal space of the high-voltage power cabinet is inconvenient to install, the connecting block 7 can be adjusted up and down by utilizing the limiting groove 6, the connecting hole 12 is transversely fixed with the inner wall of the high-voltage power cabinet after the position is proper, if more electric wires are available, a plurality of current transformers can be fixed in parallel by utilizing the connecting block 7, the uniformity of routing is ensured, the internal space of the high-voltage power cabinet is occupied, and the follow-up use of constructors is facilitated.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the bottom of the terminal 2 is electrically connected to the inside of the current transformer body 1, so as to ensure normal use of the current transformer.

Specifically, according to fig. 1 and 5, in this embodiment, the rotation limiting block 8 can move up and down in the limiting groove 6, which facilitates the adjustment of the position of the connecting block 7.

Specifically, as shown in fig. 1 and 4, in the embodiment, the transverse section of the connecting block 7 is of an L-shaped structure, the connecting block 7 can be rotated by the rotation limiting block 8, the orientation of the L-shaped surface is adjusted, and the connection of the two connecting blocks 7 can be completely attached.

Specifically, according to fig. 2 and fig. 4, in this embodiment, the connecting hole 12 may connect the two connecting blocks 7 by bolts, so that the two current transformer bodies 1 are connected in parallel, thereby ensuring the uniformity of routing of a plurality of wires.

Specifically, according to fig. 2 and fig. 3, in this embodiment, the fixing base 10 can be fixed inside the high-voltage power cabinet by using the fixing threaded hole 11, and the turntable 9 can rotate the current transformer main body 1 and adjust the orientation of the wire feeding hole 4, so that the adaptability of the current transformer inside the high-voltage power cabinet is improved.

The working principle and the using process of the utility model are as follows: when the current transformer for the high-voltage power cabinet is used, an electric wire firstly passes through the wiring hole 4, then the fixing base 10 is fixed inside the high-voltage power cabinet by using the fixing threaded hole 11, the wiring direction is adjusted by using the rotary table 9, and the current transformer is connected with a circuit in series by using the two wiring terminals 2, so that the current transformer can be used conveniently.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a current transformer for high tension electricity cabinet for electric power construction, includes current transformer main part (1), its characterized in that: the top surface of the current transformer main body (1) is provided with two terminals (2), the top of the terminal (2) is provided with a wiring screw hole (3), a wiring hole (4) is arranged in the middle of the current transformer main body (1), an insulating shell (5) is installed above the wiring hole (4), limiting grooves (6) are installed on two sides of the current transformer main body (1), two rotating limit blocks (8) are arranged in the middle of the limiting grooves (6), a connecting block (7) is installed at the top of each rotating limit block (8), a connecting hole (12) is arranged in the middle of each connecting block (7), a turntable (9) is arranged at the bottom of the current transformer main body (1), a fixing base (10) is installed at the bottom of the turntable (9), and fixing threaded holes (11) are formed in two ends of the fixing base (10).

2. The current transformer for the high-voltage power cabinet for power construction according to claim 1, characterized in that: the bottom of the binding post (2) is electrically connected with the inside of the current transformer main body (1).

3. The current transformer for the high-voltage power cabinet for power construction according to claim 1, characterized in that: the rotation limiting block (8) can move up and down in the limiting groove (6).

4. The current transformer for the high-voltage power cabinet for power construction according to claim 1, characterized in that: the transverse tangent plane of the connecting block (7) is of an L-shaped structure, and the rotary limiting block (8) can rotate the connecting block (7) to adjust the orientation of the L-shaped surface.

5. The current transformer for the high-voltage power cabinet for power construction according to claim 1, characterized in that: the connecting holes (12) can connect the two connecting blocks (7) through bolts, so that the two current transformer bodies (1) are connected in parallel.

6. The current transformer for the high-voltage power cabinet for power construction according to claim 1, characterized in that: the fixing base (10) can be fixed inside the high-voltage power cabinet by utilizing the fixing threaded hole (11), and the turntable (9) can rotate the current transformer main body (1) and adjust the orientation of the wiring hole (4).