CN218647873U - High-voltage fuse with insulation structure - Google Patents
High-voltage fuse with insulation structure Download PDFInfo
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- CN218647873U CN218647873U CN202222837548.4U CN202222837548U CN218647873U CN 218647873 U CN218647873 U CN 218647873U CN 202222837548 U CN202222837548 U CN 202222837548U CN 218647873 U CN218647873 U CN 218647873U
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- voltage fuse
- silicone rubber
- fuse
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- insulating structure
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Abstract
The utility model discloses a high-voltage fuse with insulation system belongs to high-voltage fuse technical field, the on-line screen storage device comprises a base, the fixed surface of base installs two post insulators, the equal fixed mounting of one end of two post insulators has the connection terminal, the side fixed connection stationary contact seat of connection terminal, the same fuse tube of inboard fixed connection of two stationary contact seats, therefore, can adopt the zinc layer protection through end connection block surface, thereby end connection block stress dispersion is better, the quality shows reliable and stable, the silicon rubber shirt skirt design that adopts the aerodynamics design of rethread, use sheath integrated into one piece technique, ensure under any weather and the filthy condition, all creepage distances are highly effective, improve synthetic insulator and have self-cleaning blowdown ability in the air, lie in silicon rubber shirt bottom through the outsourcing piece and adopt labyrinth waterproof type design, it is waterproof to improve post insulators greatly, the anti-seepage performance.
Description
Technical Field
The utility model relates to a high-voltage fuse especially relates to a high-voltage fuse with insulation system, belongs to high-voltage fuse technical field.
Background
Fuses are the simplest protective devices that are used to protect electrical equipment from overload and short circuit currents.
The existing fuse can keep long-term work in a normal working environment, but a fuse pollution flashover accident easily occurs in a dirty area, so that the normal work of the fuse is influenced.
A high voltage fuse having an insulating structure is designed and produced here so as to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a high-voltage fuse with insulation system, this high-voltage fuse with insulation system is through the post insulator structure that has compound insulation system to increase the stability of fuse in filthy area, solved among the prior art and appeared the technical problem of fuse pollution flashover accident easily in filthy area.
In order to solve the problems, the following technical scheme is provided:
the utility model provides a high-voltage fuse with insulation system, includes the base, the fixed surface of base installs two post insulators, two the equal fixed mounting in one end of post insulator has the wire holder, the side fixed connection stationary contact seat of wire holder, two the same fuse tube of inboard fixed connection of stationary contact seat.
Furthermore, the main body of the post insulator is composed of a silicone rubber shirt skirt, the top end of the silicone rubber shirt skirt is fixedly connected with an end connecting block, the bottom of the silicone rubber shirt skirt is adhered with an outer packing rubber block, and a core rod is arranged inside the silicone rubber shirt skirt.
Furthermore, the surface of the end connecting block is protected by a zinc layer.
Further, the thickness of the protective sleeve of the silicone rubber shirt skirt is more than 5mm.
Further, the acid-resistant core rod is reinforced by adopting an ECR high-temperature core rod.
Furthermore, the outer rubber coating block is positioned at the bottom of the silicone rubber skirt and adopts a labyrinth waterproof design.
Furthermore, two ends of the melting piece pipe are welded with brass covers, and the end part of each brass cover is welded with a pipe cover.
Compared with the prior art, the beneficial effects of the utility model reside in that: the surface of the end connecting block is protected by a zinc layer, so that the stress dispersibility of the end connecting block is better, the quality is stable and reliable, the integral forming technology of the sheath is applied by the design of the silicon rubber skirt which adopts aerodynamic design, all creepage distances are high and effective under the condition of ensuring any climate and filth, the self-cleaning pollution discharge capability of the composite insulator in the air is improved, and the labyrinth waterproof design is adopted by the outer packing rubber block positioned at the bottom of the silicon rubber skirt, so that the waterproof and anti-seepage performance of the post insulator is greatly improved.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of an overall structure of a high voltage fuse having an insulation structure according to a preferred embodiment of the present invention;
fig. 2 is a schematic cross-sectional perspective view of a high-voltage fuse post insulator with an insulating structure according to a preferred embodiment of the present invention.
In the figure: 1. a base; 2. a post insulator; 3. a wire holder; 4. a stationary contact base; 5. a fuse tube; 6. a silicone rubber shirt; 7. an end connecting block; 8. wrapping a rubber block; 9. and (4) a core rod.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-2, the high-voltage fuse with an insulating structure provided in this embodiment includes a base 1, two post insulators 2 are fixedly mounted on a surface of the base 1, a wire holder 3 is fixedly mounted at one end of each of the two post insulators 2, a stationary contact holder 4 is fixedly connected to a side surface of the wire holder 3, and a fuse tube 5 is fixedly connected to inner sides of the two stationary contact holders 4.
In the embodiment, as shown in fig. 1-2, the main body of the post insulator 2 is composed of a silicone rubber shirt skirt 6, an end connecting block 7 is fixedly connected to the top end of the silicone rubber shirt skirt 6, an outer coating rubber block 8 is adhered to the bottom of the silicone rubber shirt skirt 6, a core rod 9 is arranged inside the silicone rubber shirt skirt 6, the surface of the end connecting block 7 is protected by a zinc layer, the thickness of a sheath of the silicone rubber shirt skirt 6 is larger than 5mm, the core rod 9 adopts an ECR high-temperature reinforced acid-resistant core rod 9, the outer coating rubber block 8 is positioned at the bottom of the silicone rubber shirt skirt 6 and adopts a labyrinth waterproof design, the surface of the end connecting block 7 adopts a zinc layer for protection, so that the stress dispersibility of the end connecting block 7 is better, the quality is stable and reliable, the integral forming technology of the sheath is adopted by the silicone rubber shirt 6 design adopting aerodynamic design, the integral forming technology is adopted, the high and effective creepage distance is ensured under any climate and filthy conditions, the self-discharge capability of the insulator synthesized in the air is improved, the labyrinth waterproof and the brass pipe cover welded at two ends of the melting piece 5, and the brass pipe is welded.
The utility model discloses an application principle and use flow: the surface of the end connecting block 7 is protected by a zinc layer, so that the stress dispersibility of the end connecting block 7 is better, the quality is stable and reliable, the design of the silicon rubber skirt 6 adopting the aerodynamic design is adopted, the integral forming technology of the sheath is applied, all creepage distances are high and effective under any climate and filthy conditions, the self-cleaning pollution discharge capability of the composite insulator in the air is improved, and the water resistance and the seepage resistance of the post insulator 2 are greatly improved by adopting the labyrinth type waterproof design through the outer rubber coating block 8 positioned at the bottom of the silicon rubber skirt 6.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention has been described in connection with the specific embodiments, but it should be clear to those skilled in the art that these descriptions are only illustrative and not intended to limit the scope of the present invention. Various modifications and alterations of this invention will become apparent to those skilled in the art based upon the spirit and principles of this invention, and such modifications and alterations are also within the scope of this invention.
Claims (7)
1. The utility model provides a high-voltage fuse with insulation system, its characterized in that, includes base (1), the fixed surface of base (1) installs two post insulators (2), two the equal fixed mounting in one end of post insulator (2) has wire holder (3), side fixed connection stationary contact seat (4) of wire holder (3), two the same fuse tube of inboard fixed connection (5) of stationary contact seat (4).
2. The high-voltage fuse with the insulation structure according to claim 1, characterized in that the main body of the post insulator (2) is composed of a silicone rubber shirt (6), an end connection block (7) is fixedly connected to the top end of the silicone rubber shirt (6), an outer rubber covering block (8) is pasted to the bottom of the silicone rubber shirt (6), and a core rod (9) is arranged inside the silicone rubber shirt (6).
3. A high-voltage fuse with insulating structure according to claim 2, characterized in that the surface of the end connection block (7) is protected with a zinc layer.
4. A high-voltage fuse having an insulating structure according to claim 2, characterised in that the sheath of the silicone rubber shirt (6) has a thickness greater than 5mm.
5. A high-voltage fuse having an insulating structure according to claim 2, characterized in that said core rod (9) is an ECR high-temperature reinforced acid-resistant core rod (9).
6. High-voltage fuse with insulating structure according to claim 2, characterized in that the sheath block (8) is of labyrinth-type design at the bottom of the silicone rubber skirt (6).
7. A high-voltage fuse having an insulating structure according to claim 1, characterized in that brass caps are welded to both ends of the fuse element tube (5), and tube caps are welded to ends of the brass caps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222837548.4U CN218647873U (en) | 2022-10-26 | 2022-10-26 | High-voltage fuse with insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222837548.4U CN218647873U (en) | 2022-10-26 | 2022-10-26 | High-voltage fuse with insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218647873U true CN218647873U (en) | 2023-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222837548.4U Active CN218647873U (en) | 2022-10-26 | 2022-10-26 | High-voltage fuse with insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218647873U (en) |
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2022
- 2022-10-26 CN CN202222837548.4U patent/CN218647873U/en active Active
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