CN217879398U

CN217879398U - Iron core grounding current on-line measuring device

Info

Publication number: CN217879398U
Application number: CN202221506948.0U
Authority: CN
Inventors: 陈明龙; 张洪宁
Original assignee: Nanjing Lanxin Power Technology Co ltd
Current assignee: Nanjing Lanxin Power Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-11-22
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses an iron core grounding current on-line measuring device, including upper cover and drain pan, vacuole formation between upper cover and the drain pan, the main control board sets up in the cavity, and be connected with the drain pan, the display screen sets up in the cavity, and be located the opening part of upper cover, the antenna sets up the upper portion at the drain pan, the lower part of drain pan is provided with power connection navigation socket, mutual-inductor connection navigation socket and signal connection navigation socket. This iron core grounding current on-line measuring device has set up display screen installing support and main control board installing support for main control board and display screen installation are more convenient with the dismantlement, and are more stable at the in-process that uses moreover, and equipment is small, and all set up waterproof circle on upper cover, power connection boat socket, mutual-inductor connection boat socket, signal connection boat socket and the metal plug, and water-proof effects is good.

Description

Iron core grounding current on-line measuring device

Technical Field

The utility model belongs to the technical field of electric power system, concretely relates to iron core ground current on-line measuring device.

Background

With the continuous development of power systems, a current transformer is one of the important components for detection and control of the power systems, and if an insulation fault occurs, partial discharge and even high-energy explosion can be caused, so that the safety of the power systems can be seriously affected.

In order to improve the working stability and safety of the current transformer, the current transformer needs to be detected in real time, but the existing online detection device is large in volume, inconvenient to install and poor in waterproof effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an iron core ground current on-line measuring device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an iron core grounding current on-line detection device comprises

The upper cover and the bottom shell form a cavity therebetween;

the main control board is arranged in the cavity and is connected with the bottom shell;

the display screen is arranged in the cavity and is positioned at the opening of the upper cover;

an antenna disposed at an upper portion of the bottom case;

and the lower part of the bottom shell is provided with a power supply connection navigation socket, a mutual inductor connection navigation socket and a signal connection navigation socket.

Preferably, the upper cover and one side of the bottom case are connected by a hinge.

Preferably in any one of the above schemes, the main control board is fixed on the main control board mounting bracket, and the main control board mounting bracket is arranged on the bottom case.

In any of the above schemes, preferably, a transparent window is arranged at the opening of the upper cover.

In any one of the above schemes, preferably, the display screen is mounted on a display screen mounting bracket, and the display screen mounting bracket is arranged on the upper cover.

In any of the above schemes, preferably, the upper cover is embedded with a waterproof ring.

In any of the above schemes, preferably, the power connection navigation socket, the mutual inductor connection navigation socket, the signal connection navigation socket, the antenna and the display screen are all electrically connected with the main control panel.

Preferably in any one of the above schemes, the iron core mutual inductor further comprises an iron core mutual inductor, wherein the iron core mutual inductor comprises a bottom shell of the part A, a bottom shell of the part B, an upper cover of the part A and an upper cover of the part B, the bottom shell of the part A and the bottom shell of the part B are connected through fastening screws, a cavity is formed between the upper cover of the part A and the upper cover of the part B and the bottom shell of the part A and between the upper cover of the part A and the bottom shell of the part B, a coil of the part A and a coil of the part B are arranged in the cavity, an aviation socket is arranged on the bottom shell of the part B or the bottom shell of the part A, and the aviation socket is connected with the mutual inductor through a connecting wire.

In any of the above schemes, preferably, the side surface of the bottom case of the B part is provided with a mounting bracket.

In any of the above schemes, preferably, the outer surface of the bottom case is provided with a metal plug.

The utility model discloses a technological effect and advantage: this iron core earth current on-line measuring device has set up display screen installing support and main control board installing support for main control board and display screen installation are more convenient with the dismantlement, and are more stable at the in-process that uses moreover, and equipment is small, and all set up waterproof circle on upper cover, power connection boat socket, mutual-inductor connection boat socket, signal connection boat socket and metal plug, and water-proof effects is good.

Drawings

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

FIG. 2 is an exploded view of the present invention;

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

fig. 4 is a schematic structural diagram of the iron core transformer of the present invention;

fig. 5 is an exploded view of the iron core transformer of the present invention.

In the figure: 1. an upper cover; 2. a bottom case; 3. a display screen mounting bracket; 4. a main control board mounting bracket; 5. a transparent window; 6. a display screen; 7. a main control board; 8. an antenna; 9. the power supply is connected with the navigation socket; 10. the mutual inductor is connected with the navigation socket; 11. the signal is connected with the navigation socket; 12. a metal plug; 21. an upper cover of the part A; 22. a part A coil; 23. a bottom case A; 24. a part B upper cover; 25. a B part coil; 26. a bottom case B; 27. an aviation socket; 28. mounting a bracket; 29. and (5) fastening the screw.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

The utility model provides an iron core grounding current on-line measuring device as shown in figures 1-5, include

The waterproof sealing device comprises an upper cover 1 and a bottom shell 2, wherein one sides of the upper cover 1 and one side of the bottom shell 2 are connected through a hinge, the other ends of the upper cover 1 and the bottom shell 2 are fixed through bolts, a cavity is formed between the upper cover 1 and the bottom shell 2, a waterproof ring is embedded in the upper cover 1, the pressing amount of a waterproof sealing ring is guaranteed, the shell is waterproof, a metal plug 12 is arranged on the outer surface of the bottom shell 2, and the waterproof ring is arranged in the middle of the bottom shell and used for preventing water;

the main control board 7 is fixed on the main control board mounting bracket 4, and the main control board mounting bracket 4 is arranged on the bottom shell 2 and is arranged in the cavity;

the display screen 6 is arranged on the display screen mounting bracket 3, the display screen mounting bracket 3 is arranged on the upper cover 1 and is arranged in the cavity, and a transparent window 5 is arranged at the opening of the upper cover 1;

an antenna 8 disposed at an upper portion of the bottom case 2;

the lower part of drain pan 2 is provided with power connection boat socket 9, mutual-inductor connection boat socket 10 and signal connection boat socket 11, and it is waterproof all to set up waterproof circle on power connection boat socket 9, mutual-inductor connection boat socket 10 and the signal connection boat socket 11, and power connection boat socket 9, mutual-inductor connection boat socket 10, signal connection boat socket 11, antenna 8 and display screen 6 all with main control board 7 electric connection.

The iron core mutual inductor comprises an A-part bottom shell 23, a B-part bottom shell 26, an A-part upper cover 21 and a B-part upper cover 24, wherein the A-part bottom shell 23 and the B-part bottom shell 26 are connected through fastening screws 29, a cavity is formed between the A-part upper cover 21 and the B-part upper cover 24 and the A-part bottom shell 23 and the B-part bottom shell 26, an A-part coil 22 and a B-part coil 25 are arranged in the cavity, an aviation socket 27 is arranged on the B-part bottom shell 26 or the A-part bottom shell 23, the aviation socket 27 is connected with the mutual inductor connecting socket 10 through connecting wires to realize power supply and signal connection, a mounting support 28 is arranged on the side surface of the B-part bottom shell 26, the A-part coil 22 and the A-part bottom shell 23, the three parts are internally filled with epoxy resin for bonding and play a waterproof role, and the B-part bottom shell 26, the B-part upper cover 24 and the B-part coil 25 are internally filled with epoxy resin for bonding and play a waterproof role.

This iron core ground current on-line measuring device is at the in-process that uses, at first pass through the bolt fastening with main control board installing support 4 on drain pan 2, fix main control board 7 on main control board installing support 4 after that, realize the installation of main control board 7, fix display screen 6 on display screen installing support 3 after that, rethread bolt is fixed display screen installing support 3 on upper cover 1, at this moment with upper cover 1 and drain pan 2 closed, and it is fixed with it through the bolt, be connected aviation socket 10 with aviation socket 27 and mutual-inductor through the connecting wire after that, realize power supply and signal connection, can pass through the in service behavior of 6 real-time detection mutual-inductors iron cores of display screen, and is convenient and practical.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides an iron core ground current on-line measuring device which characterized in that: comprises that

The device comprises an upper cover (1) and a bottom shell (2), wherein a cavity is formed between the upper cover (1) and the bottom shell (2);

the main control board (7) is arranged in the cavity and is connected with the bottom shell (2);

the display screen (6) is arranged in the cavity and is positioned at the opening of the upper cover (1);

an antenna (8) arranged on the upper part of the bottom shell (2);

the lower part of the bottom shell (2) is provided with a power supply connection navigation socket (9), a mutual inductor connection navigation socket (10) and a signal connection navigation socket (11).

2. The iron core grounding current online detection device according to claim 1, characterized in that: one sides of the upper cover (1) and the bottom shell (2) are connected through a hinge.

3. The iron core grounding current online detection device of claim 1, characterized in that: the main control board (7) is fixed on the main control board mounting bracket (4), and the main control board mounting bracket (4) is arranged on the bottom shell (2).

4. The iron core grounding current online detection device of claim 1, characterized in that: and a transparent window (5) is arranged at the opening of the upper cover (1).

5. The iron core grounding current online detection device according to claim 1, characterized in that: the display screen mounting structure is characterized in that the display screen (6) is mounted on the display screen mounting support (3), and the display screen mounting support (3) is arranged on the upper cover (1).

6. The iron core grounding current online detection device of claim 1, characterized in that: the upper cover (1) is embedded with a waterproof ring.

7. The iron core grounding current online detection device of claim 1, characterized in that: the power supply connection navigation socket (9), the mutual inductor connection navigation socket (10), the signal connection navigation socket (11), the antenna (8) and the display screen (6) are all electrically connected with the main control board (7).

8. The iron core grounding current online detection device according to claim 1, characterized in that: still include the iron core mutual-inductor, the iron core mutual-inductor includes A portion drain pan (23), B portion drain pan (26), A portion upper cover (21) and B portion upper cover (24), A portion drain pan (23), B portion drain pan (26) are connected through fastening screw (29), vacuole formation between A portion upper cover (21) and B portion upper cover (24) and A portion drain pan (23), B portion drain pan (26), be provided with A portion coil (22) and B portion coil (25) in the cavity, be provided with aviation socket (27) on B portion drain pan (26) or A portion drain pan (23), it is connected through the connecting wire between aviation socket (10) to aviation socket (27) and mutual-inductor.

9. The iron core grounding current on-line detection device of claim 8, characterized in that: and a mounting bracket (28) is arranged on the side surface of the bottom shell (26) of the part B.

10. The iron core grounding current on-line detection device of claim 8, characterized in that: and a metal plug (12) is arranged on the outer surface of the bottom shell (2).