CN219226036U

CN219226036U - Flexible rogowski coil with end connection reinforcing function

Info

Publication number: CN219226036U
Application number: CN202223332896.2U
Authority: CN
Inventors: 华龙元; 曾俊; 宋骥; 宁赛赛; 吴亚迪; 沈金杰; 董永强; 何子浩; 刘航
Original assignee: Jiangsu Sankoujing Information Technology Co ltd
Current assignee: Jiangsu Sankoujing Information Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-20
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a flexible Rogowski coil with an end connection reinforcing function, which belongs to the field of flexible Rogowski coils, and comprises a Rogowski coil assembly, wherein an external thread rubber ring is arranged on the outer surface of an interface end of a transformer.

Description

Flexible rogowski coil with end connection reinforcing function

Technical Field

The utility model relates to a flexible rogowski coil, in particular to a flexible rogowski coil with a terminal connection reinforcing function.

Background

With the rapid development of the transformer technology, the current transformer is required to be increased by users. The Rogowski coil is used as the most common current transformer, has the characteristics of wide measurement range, good linearity, simple structure, no open-circuit risk and the like, is suitable for measuring current parameters of a power line, and can be frequently plugged into and pulled out of a connecting end when the existing Rogowski coil is used.

Disclosure of Invention

The utility model aims to overcome the defects that in the prior art, when a Rogowski coil is used, a connecting end is frequently plugged, the end is easy to loosen from a socket due to irregular operation, the clamping effect is poor, the use of the Rogowski coil is affected, and the flexible Rogowski coil with the end connecting and reinforcing functions is provided, so that the defects are overcome, and the use is convenient.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model discloses a flexible Rogowski coil with an end connection reinforcing function, which comprises a Rogowski coil assembly, wherein the Rogowski coil assembly comprises a transformer and a Rogowski coil arranged on one side of the transformer, a connection reinforcing block for connection reinforcing is arranged on the outer surface of the Rogowski coil, and a limiting block for limiting the movement of the connection reinforcing block is arranged on the outer surface of one end of a Rogowski coil joint;

the outer surface of the interface end of the transformer is provided with an external thread rubber ring, and the inner wall of the external thread rubber ring is coated with an adhesion layer A for adhesion on the outer surface of the interface of the transformer;

the connecting reinforcement block comprises a connecting pipe and a thick pipe groove formed in the middle end of one side of the connecting pipe, wherein a thread groove is formed in the inner wall of the thick pipe groove, and the thread groove is in threaded connection with the outer surface of the external thread rubber ring and used for reinforcing the connection of the butt joint.

Preferably, the outer surface of the external thread rubber ring is coated with a heat insulation layer for heat insulation, and the outer surface of the heat insulation layer is coated with a wear-resistant layer A.

Preferably, the middle end of the other side of the connecting pipe is provided with a limiting groove which is communicated with the inside of the crude pipe groove.

Preferably, the limit groove is in a column shape, and one side with a large limit groove area is close to the crude pipe groove.

Preferably, the inner wall of the limit groove is provided with a built-in rubber ring, and the built-in rubber ring is arranged on one side of the limit groove with small area.

Preferably, the limiting block comprises an adhesion layer B coated on the outer surface of the Rogowski coil and a rubber layer arranged on the outer surface of the adhesion layer B, and the rubber layer is in a hollow table column shape.

Preferably, the outer surface of the rubber layer is coated with a wear-resistant layer B, and the wear-resistant layer B increases the wear resistance of the rubber layer.

Preferably, the side of the rubber layer with the larger area faces the joint end of the rogowski coil.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

compared with the prior art, the utility model has the following beneficial effects:

(1) According to the flexible Rogowski coil with the end connection reinforcing function, through the arrangement of the built-in rubber ring, the thread groove, the connecting pipe, the rubber layer and the wear-resisting layer B, after the joint end of the Rogowski coil is inserted into the joint end of the transformer, the connecting pipe is pulled, so that the thick pipe groove and the limiting groove are sleeved on the outer surface of the limiting block, the built-in rubber ring is in contact with the limiting block, the rubber layer and the built-in rubber ring deform along with the movement of the connection reinforcing block, the arranged wear-resisting layer B protects the rubber layer, the connection reinforcing block is rotated, the connecting pipe with the thread groove is enabled to be sleeved on the outer surface of the external thread rubber ring in a threaded manner, and the joint is reinforced, so that the connection is prevented from being insufficiently tight;

(2) According to the flexible rogowski coil with the end connection reinforcing function, through the arrangement of the wear-resistant layer A, the external thread rubber ring and the heat insulation layer, when the reinforcing block is connected in a rotating mode, the heat insulation layer is arranged to block heat generated by friction, the use of the external thread rubber ring is prevented from being influenced, the wear resistance of the external thread rubber ring is improved through the arranged wear-resistant layer A, and the external thread rubber ring is prevented from being worn.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a block diagram illustrating a limiting structure according to the present utility model;

FIG. 3 is a block diagram of a transformer of the present utility model;

FIG. 4 is a block diagram of an externally threaded rubber ring according to the present utility model;

fig. 5 is a diagram showing the structure of the connection reinforcing block of the present utility model.

In the figure: 1. a rogowski coil assembly; 11. a rogowski coil; 12. a transformer; 121. an adhesive layer A; 122. an external thread rubber ring; 1221. a thermal insulation layer; 1222. a wear-resistant layer A; 13. connecting the reinforcing blocks; 131. a connecting pipe; 132. a rough pipe groove; 133. a thread groove; 134. a limit groove; 135. a rubber ring is arranged in the rubber ring; 14. a limiting block; 141. an adhesion layer B; 142. a rubber layer; 143. and a wear-resistant layer B.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1, a flexible rogowski coil with end connection reinforcement function includes a rogowski coil assembly 1, the rogowski coil assembly 1 includes a transformer 12 and a rogowski coil 11 installed at one side of the transformer 12, a connection reinforcement block 13 for connection reinforcement is provided at an outer surface of the rogowski coil 11, and a restriction block 14 for restricting movement of the connection reinforcement block 13 is installed at an outer surface of one end of a joint of the rogowski coil 11.

The utility model is further described below with reference to examples.

Embodiment one:

referring to fig. 2, 3 and 5, the outer surface of the interface end of the transformer 12 is provided with an external thread rubber ring 122, the inner wall of the external thread rubber ring 122 is coated with an adhesion layer a121 for adhering to the outer surface of the interface of the transformer 12, the connection reinforcing block 13 comprises a connection pipe 131 and a thick pipe groove 132 formed in the middle end of one side of the connection pipe 131, the inner wall of the thick pipe groove 132 is provided with a thread groove 133, the thread groove 133 is in threaded connection with the outer surface of the external thread rubber ring 122 for connection reinforcement of the butt joint, the middle end of the other side of the connection pipe 131 is provided with a limit groove 134, the limit groove 134 is communicated with the inner part of the thick pipe groove 132, the limit groove 134 is in a pillar shape, one side with a large area of the limit groove 134 is close to the thick pipe groove 132, the inner wall of the limit groove 134 is provided with a built-in rubber ring 135, the built-in rubber ring 135 is arranged on one side with a small area of the limit groove 134, the limit block 14 comprises an adhesion layer B141 coated on the outer surface of the rog coil 11 and a rubber layer 142 formed on the outer surface of the adhesion layer B141, the rubber layer 142 is in a hollow pillar shape, the surface of the rubber layer 142 is coated with a wear-resistant layer B143, the wear-resistant layer 142 is coated on the outer surface of the rubber layer B142, and the wear-resistant layer 142 is increased towards the inner surface of the large-side of the rog coil 11.

In this embodiment: after the joint end of the rogowski coil 11 is inserted into the interface end of the transformer 12, the connecting pipe 131 is pulled, the thick pipe groove 132 and the limiting groove 134 are sleeved on the outer surface of the limiting block 14, the built-in rubber ring 135 is in contact with the limiting block 14, the rubber layer 142 and the built-in rubber ring 135 are deformed along with the movement of the connecting reinforcing block 13, the arranged wear-resisting layer B143 protects the rubber layer 142, the connecting reinforcing block 13 is rotationally connected, the connecting pipe 131 with the threaded groove 133 is enabled to be sleeved on the outer surface of the external thread rubber ring 122 in a threaded manner, and the connecting part is reinforced, so that the connection is prevented from being not tight enough.

Embodiment two:

referring to fig. 4, the outer surface of the externally threaded rubber ring 122 is coated with a heat insulating layer 1221 for heat insulation, and the outer surface of the heat insulating layer 1221 is coated with a wear-resistant layer a1222.

In this embodiment: when the connecting reinforcing block 13 is rotated, the heat insulation layer 1221 blocks heat generated by friction, the use of the external thread rubber ring 122 is prevented from being influenced, and the wear resistance of the external thread rubber ring 122 is increased by the wear-resistant layer A1222, so that the external thread rubber ring 122 is prevented from being worn.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible rogowski coil with end connection reinforcement function, includes rogowski coil assembly (1), its characterized in that: the Rogowski coil assembly (1) comprises a mutual inductor (12) and a Rogowski coil (11) arranged on one side of the mutual inductor (12), wherein a connection reinforcing block (13) for connection reinforcement is arranged on the outer surface of the Rogowski coil (11), and a limiting block (14) for limiting the movement of the connection reinforcing block (13) is arranged on the outer surface of one end of a connector of the Rogowski coil (11);

an external thread rubber ring (122) is arranged on the outer surface of the interface end of the transformer (12), and an adhesion layer A (121) used for being adhered to the outer surface of the interface of the transformer (12) is coated on the inner wall of the external thread rubber ring (122);

the connecting reinforcement block (13) comprises a connecting pipe (131) and a thick pipe groove (132) formed in one side middle end of the connecting pipe (131), a thread groove (133) is formed in the inner wall of the thick pipe groove (132), and the thread groove (133) is in threaded connection with the outer surface of the external thread rubber ring (122) and used for reinforcing the connection of the butt joint.

2. A flexible rogowski coil with end connection reinforcement according to claim 1, characterized in that: the outer surface of the external thread rubber ring (122) is coated with a heat insulation layer (1221) for heat insulation, and the outer surface of the heat insulation layer (1221) is coated with a wear-resistant layer A (1222).

3. A flexible rogowski coil with end connection reinforcement according to claim 1, characterized in that: the middle end of the other side of the connecting pipe (131) is provided with a limiting groove (134), and the limiting groove (134) is communicated with the inside of the thick pipe groove (132).

4. A flexible rogowski coil with end connection stiffening as set forth in claim 3, wherein: the limiting groove (134) is in a table column shape, and one side of the limiting groove (134) with a large area is close to the crude pipe groove (132).

5. The flexible rogowski coil with end connection reinforcement of claim 4, characterized in that: the inner wall of the limiting groove (134) is provided with a built-in rubber ring (135), and the built-in rubber ring (135) is arranged on one side of the limiting groove (134) with small area.

6. A flexible rogowski coil with end connection reinforcement according to claim 1, characterized in that: the limiting block (14) comprises an adhesion layer B (141) coated on the outer surface of the Rogowski coil (11) and a rubber layer (142) arranged on the outer surface of the adhesion layer B (141), and the rubber layer (142) is in a hollow table column shape.

7. The flexible rogowski coil with end connection reinforcement of claim 6, characterized in that: the outer surface of the rubber layer (142) is coated with a wear-resistant layer B (143), and the wear-resistant layer B (143) increases the wear resistance of the rubber layer (142).

8. The flexible rogowski coil with end connection reinforcement of claim 7, characterized in that: the side of the rubber layer (142) with the larger area faces the joint end of the Rogowski coil (11).