CN216250042U - Electrode shielding structure - Google Patents
Electrode shielding structure Download PDFInfo
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- CN216250042U CN216250042U CN202122808771.1U CN202122808771U CN216250042U CN 216250042 U CN216250042 U CN 216250042U CN 202122808771 U CN202122808771 U CN 202122808771U CN 216250042 U CN216250042 U CN 216250042U
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Abstract
The utility model provides an electrode shielding structure, which relates to the technical field of transformer corollary equipment and comprises a lead structure and an insulating structure, wherein the insulating structure is coated outside the lead structure and used for insulating the lead structure from the outside; the lead structure comprises a coil lead, a shielding insulation structure and an insulation cladding piece; the coil leads are provided with a plurality of groups and are arranged side by side one by one; the outer side of each group of coil wires is coated with an insulating coating piece; and a shielding insulation structure is arranged between the coil wire at the end part and the insulation coating piece coated on the outer side of the coil wire, and the shielding insulation structure is coated on the outer wall of the coil wire. The utility model solves the technical problems of large integral size of voltage-regulating outgoing lines, difficult outgoing line and weak short circuit bearing capacity of products in the prior art.
Description
Technical Field
The utility model relates to the technical field of transformer corollary equipment, in particular to an electrode shielding structure.
Background
The power transformer is generally provided with voltage regulation to deal with voltage fluctuation on a power grid, and the voltage regulation is realized by connecting different tapping gears of a voltage regulation coil in the manufacturing process of the transformer; each tap gear of the voltage regulating coil needs to be led out and connected to a tap switch.
When the voltage regulating gears are more or the cross section of the voltage regulating outgoing line with large transformer capacity is larger, the occupied space of the voltage regulating outgoing line is large, and the local axial supporting structure can be influenced when the outgoing line of the voltage regulating coil is led out; in the ultrahigh voltage transformer, the voltage regulating coil is often positioned at a higher potential, and the voltage regulating outgoing line needs to be insulated and wrapped to ensure the insulation strength.
The conventional structure is that each wire of the voltage-regulating outgoing wire is subjected to rounding shielding, so that the outgoing size of a single wire of each wire is large, the outgoing difficulty is caused, the axial support of the outgoing gear is influenced, and the short circuit bearing capacity of a product is weakened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electrode shielding structure to solve the technical problems of large overall size of a voltage-regulating outgoing line, difficulty in outgoing line and weak short-circuit bearing capacity of a product in the prior art.
In order to achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:
the utility model provides an electrode shielding structure, which comprises a lead structure and an insulating structure, wherein the insulating structure is covered on the outer side of the lead structure and is used for insulating the lead structure from the outside;
the lead structure comprises a coil lead, a shielding insulation structure and an insulation cladding piece;
the coil leads are provided with a plurality of groups and are arranged side by side one by one;
the outer side of each group of coil wires is coated with one insulating coating piece;
the coil wire positioned at the end part and the insulating cladding part coated on the outer side of the coil wire are provided with the shielding and insulating structure between the coil wire and the insulating cladding part, and the shielding and insulating structure is coated on the outer wall of the coil wire.
In an optional embodiment of the present invention, the shielding insulation structure includes aluminum foil paper and metalized crepe paper, the metalized crepe paper is wrapped outside the coil wire, and the aluminum foil paper is filled between the coil wire and the metalized crepe paper.
Further, the aluminum foil paper is arranged at one end of the coil conducting wire far away from the rest coil conducting wires.
Further, the surface of the aluminum foil paper, which is in contact with the metallized crepe paper, is an arc surface.
In an alternative embodiment of the present invention, the metallized crepe paper comprises a crepe paper substrate and an aluminum foil, wherein the aluminum foil is disposed on the crepe paper substrate, and one side of the aluminum foil, which is far away from the crepe paper substrate, is in contact with the aluminum foil.
In an optional embodiment of the present invention, the insulation structure includes a main insulation covering member and an auxiliary insulation covering member, and the main insulation covering member covers the outer side of the insulation covering member;
the auxiliary insulating coating piece is coated on the outer side of the main insulating coating piece;
the main insulating coating piece and the auxiliary insulating coating piece are used for supporting and fixing a plurality of groups of lead structures.
Further, the secondary insulating cover is provided as an insulating paperboard.
In an alternative embodiment of the utility model, the contact surface between adjacent insulating coverings is planar.
In an alternative embodiment of the utility model, the insulating cover and the main insulating cover are provided as crepe paper.
In an alternative embodiment of the present invention, the gap between adjacent insulating covers is filled with an insulating material.
The embodiment of the utility model can realize the following beneficial effects:
the embodiment of the utility model provides an electrode shielding structure, which comprises a lead structure and an insulating structure, wherein the insulating structure is coated on the outer side of the lead structure and used for insulating the lead structure from the outside; the lead structure comprises a coil lead, a shielding insulation structure and an insulation cladding piece; the coil leads are provided with a plurality of groups and are arranged side by side one by one; the insulating coating piece is coated outside each group of coil wires; the coil wire positioned at the end part and the insulating cladding part coated on the outer side of the coil wire are provided with the shielding and insulating structure between the coil wire and the insulating cladding part, and the shielding and insulating structure is coated on the outer wall of the coil wire.
In the embodiment of the utility model, a plurality of coil leads are arranged side by side one by one, each group of coil leads is respectively coated with an insulating coating part, and a shielding insulating structure is arranged between the coil leads positioned at two ends and the insulating coating parts, so that fillers do not need to be added between the coil leads positioned at the middle part and the insulating coating parts, the shape of the coil leads coated by the insulating coating parts is similar to the shape of the original coil leads, and each coil lead can be tightly attached.
Compared with the prior art that the coil conducting wire is coated to form a cylindrical shape, the electrode shielding structure provided by the utility model can realize one-by-one fitting of the coil conducting wire after the coil conducting wire is coated on an external coating part, so that no gap exists between the coated coil conducting wire and the insulating structure, and the overall size is reduced.
In summary, the embodiment of the utility model at least alleviates the technical problems of large overall size of voltage-regulating outgoing lines, difficulty in outgoing lines and weak short circuit bearing capacity of products in the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic cross-sectional view of an internal structure of an electrode shielding structure according to an embodiment of the present invention.
Icon: 1-a coil wire; 2-shielding an insulating structure; 21-aluminum foil paper; 22-metallized crepe paper; 3-an insulating covering; 4-an insulating structure; 41-primary insulating cladding; 42-secondary insulation wrap.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The embodiment provides an electrode shielding structure, and referring to fig. 1, the electrode shielding structure includes a lead structure and an insulating structure 4, the insulating structure 4 covers the outside of the lead structure, and the insulating structure 4 is used for insulating the lead structure from the outside; the lead structure comprises a coil lead 1, a shielding insulation structure 2 and an insulation cladding piece 3; the coil leads 1 are provided with a plurality of groups and are arranged side by side one by one; the outer side of each group of coil wires 1 is coated with an insulating coating member 3; a shielding insulation structure 2 is arranged between the coil wire 1 at the end part and an insulation coating piece 3 coated on the outer side of the coil wire 1, and the shielding insulation structure 2 is coated on the outer wall of the coil wire 1.
The embodiment of the utility model at least solves the technical problems of large overall size of voltage-regulating outgoing lines, difficult outgoing line and weak short-circuit bearing capacity of products in the prior art.
In the embodiment of the utility model, a plurality of coil leads 1 are arranged side by side one by one, each group of coil leads 1 is coated with an insulating coating piece 3, and a shielding insulating structure 2 is arranged between the coil leads 1 at two ends and the insulating coating pieces 3, so that no filler is required to be added between the coil leads 1 at the middle part and the insulating coating pieces 3, the shape of the coil leads 1 coated by the insulating coating pieces 3 is similar to that of the original coil leads 1, and each coil lead 1 can be tightly attached.
Compared with the prior art that the coil lead 1 is coated to form a cylindrical shape, the electrode shielding structure provided by the embodiment of the utility model can realize one-by-one fitting of the coil lead 1 after the coil lead is coated on an external coating part, so that no gap exists between the coated coil lead 1 and an insulating structure, and the overall size is reduced.
In an optional embodiment of this embodiment, the shielding insulation structure 2 includes an aluminum foil 21 and a metalized crepe paper 22, the metalized crepe paper 22 is wrapped outside the coil wire 1, and the aluminum foil 21 is filled between the coil wire 1 and the metalized crepe paper 22.
Specifically, the method comprises the following steps: a shielding insulation structure 2 is arranged between the coil lead 1 and the insulation coating 3 at two ends, and an aluminum foil 21 is filled between the coil lead 1 and the metallized crepe paper 22.
Further, the aluminum foil 21 is arranged at one end, far away from the rest of the coil leads 1, and the rest of the coil leads are not provided with the aluminum foil 21, so that the reduction of the interval area between the adjacent coil leads 1 is ensured.
Further, the surface of the aluminum foil 21 contacting the metallized crepe paper 22 is a cambered surface.
Specifically, the method comprises the following steps: the contact surface of the aluminum foil paper 21 and the metallized crepe paper 22 is an arc surface, so that the two ends of the insulating structure 4 also present arc surfaces after the shielding insulating structure 2 covers the whole coil wire 1, and the arc surface structure is convenient to use.
In an alternative embodiment of this embodiment, the metallized crepe paper 22 comprises a crepe paper substrate and an aluminum foil sheet disposed on the crepe paper substrate with the aluminum foil sheet contacting the aluminum foil 21 on the side of the aluminum foil sheet remote from the crepe paper substrate.
Specifically, the method comprises the following steps: the aluminum foil is arranged on the corrugated paper substrate and is attached to the aluminum foil paper 21, so that the aluminum foil plays a role in further insulation.
In an optional embodiment of this embodiment, the insulating structure 4 includes a main insulating covering 41 and an auxiliary insulating covering 42, the main insulating covering 41 covers all the insulating coverings 3 therein, and the auxiliary insulating covering 42 covers the outside of the main insulating covering 41; the primary insulation cover 41 and the secondary insulation cover 42 are used for supporting and fixing a plurality of sets of wire structures.
Specifically, the method comprises the following steps: the coil wires 1 are arranged one by one, the outside of each coil wire 1 is wrapped with the insulating wrapping piece 3, the main insulating wrapping piece 41 of the insulating structure 4 is wrapped on the outer side of the insulating wrapping piece 3, the auxiliary insulating wrapping piece 42 is wrapped on the outer side of the main insulating wrapping piece 41, and the main insulating wrapping piece 41 and the auxiliary insulating wrapping piece 42 are used for supporting and connecting each coil wire 1.
Further, the sub insulating cover 42 is provided as an insulating paperboard of 0.5mm thickness.
Specifically, the method comprises the following steps: the secondary insulating coating member 42 serves to provide a certain insulating and supporting function, and thus, an insulating effect on the coil wire 1 is ensured.
In an alternative embodiment of this embodiment, the contact surface between adjacent insulating coverings 3 is a flat surface.
Specifically, the method comprises the following steps: the insulating coating pieces 3 coated by the adjacent coil leads 1 are in plane contact with each other, compared with the prior art that the coating piece outside each coil lead 1 is cylindrical, the mode effectively avoids the original mode that the coil leads 1 are in cylindrical contact with each other, the contact surface of the cylinder is small after the surfaces of the cylinders are contacted, and due to the structural characteristics, a larger gap exists near the joint of the side walls, and because the cross-sectional structure of the cylinder is cylindrical, the side view thickness of the cylinder is thicker than that of the electrode shielding structure provided by the embodiment, so that the occupied space of the cylinder is larger;
similarly, since the covering member of each coil conductor 1 is cylindrical, the gap between adjacent coil conductors 1 is relatively large, and thus the insulation structure 4 is easily broken at the gap between two adjacent coil conductors 1, which affects the use, and the gap between two adjacent coil conductors 1 is relatively weak, and is easily deformed after long-term use.
In an alternative embodiment of this embodiment, the insulating cover 3 and the main insulating cover 41 are provided as crepe paper. The crepe paper not only has an insulation function, but also has a certain supporting effect, and contributes to the structural stability of the coil.
In an alternative embodiment of this embodiment, the gap between adjacent insulating coatings 3 is filled with an insulating material.
Specifically, the method comprises the following steps: the adjacent insulating coating members 3 are filled with insulating materials, so that the insulating coating members can play a certain supporting role while playing a further insulating role.
Finally, it should be noted that: the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments in the present specification are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The electrode shielding structure is characterized by comprising a lead structure and an insulating structure (4), wherein the insulating structure (4) covers the outer side of the lead structure, and the insulating structure (4) is used for insulating the lead structure from the outside;
the wire structure comprises a coil wire (1), a shielding insulation structure (2) and an insulation cladding piece (3);
the coil leads (1) are provided with a plurality of groups and are arranged side by side one by one;
the outer side of each group of coil conducting wires (1) is coated with one insulating coating piece (3);
the coil wire (1) and the insulation cladding piece (3) are arranged between the shielding insulation structure (2), and the shielding insulation structure (2) is coated on the outer wall of the coil wire (1).
2. The electrode shielding structure according to claim 1, wherein the shielding insulation structure (2) comprises an aluminum foil (21) and a metalized crepe paper (22), the metalized crepe paper (22) is wrapped outside the coil wire (1), and the aluminum foil (21) is filled between the coil wire (1) and the metalized crepe paper (22).
3. Electrode shielding structure according to claim 2, characterized in that the aluminium foil (21) is arranged at an end of the coil wire (1) remote from the rest of the coil wires (1).
4. The electrode shielding structure according to claim 3, characterized in that the surface of the aluminum foil (21) in contact with the metallized crepe paper (22) is a cambered surface.
5. The electrode shielding structure according to claim 2, characterized in that the metallized crepe paper (22) comprises a crepe paper substrate and an aluminum foil sheet, the aluminum foil sheet being arranged on the crepe paper substrate and the side of the aluminum foil sheet remote from the crepe paper substrate being in contact with the aluminum foil (21).
6. Electrode shielding structure according to claim 1, characterized in that said insulating structure (4) comprises a primary insulating wrapper (41) and a secondary insulating wrapper (42), said primary insulating wrapper (41) being wrapped outside said insulating wrapper (3);
the auxiliary insulating coating piece (42) is coated on the outer side of the main insulating coating piece (41);
the main insulating coating (41) and the auxiliary insulating coating (42) are used for supporting and fixing a plurality of groups of the lead structures.
7. Electrode shielding structure according to claim 6, characterized in that the secondary insulating wrapper (42) is provided as an insulating cardboard.
8. Electrode shielding structure according to claim 1, characterized in that the contact surface between adjacent insulating coverings (3) is plane.
9. Electrode shielding structure according to claim 6, characterized in that the insulating cover (3) and the main insulating cover (41) are provided as crepe paper.
10. The electrode shielding structure according to any one of claims 1 to 9, wherein a gap between adjacent insulating coverings (3) is filled with an insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122808771.1U CN216250042U (en) | 2021-11-16 | 2021-11-16 | Electrode shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122808771.1U CN216250042U (en) | 2021-11-16 | 2021-11-16 | Electrode shielding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216250042U true CN216250042U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122808771.1U Active CN216250042U (en) | 2021-11-16 | 2021-11-16 | Electrode shielding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216250042U (en) |
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2021
- 2021-11-16 CN CN202122808771.1U patent/CN216250042U/en active Active
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