CN218887564U

CN218887564U - Power cable injection molding welding joint structure

Info

Publication number: CN218887564U
Application number: CN202223528546.3U
Authority: CN
Inventors: 邵小文
Original assignee: Hangzhou Fenggu Power Technology Co ltd
Current assignee: Hangzhou Fenggu Power Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-04-18
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a power cable injection molding welded joint structure, including thermal shrinkage sleeve and sinle silk, the inside of thermal shrinkage sleeve is equipped with shielding layer and insulating protective layer, insulating protective layer's inside is equipped with the sinle silk, the inside of thermal shrinkage sleeve is equipped with the oversheath layer, the inside of oversheath layer is equipped with the shielding layer, the inside of shielding layer is equipped with insulating protective layer. This power cable injection molding welded joint structure is through being in the same place oversheath layer, shielding layer and insulating protective layer inter-engagement, is installing good back with it like this, just can make cable junction possess better electromagnetic shield's function and insulating function for this power cable's the butt fusion department outside has possessed different functional effect, makes this structure based on sealed protection's basis, has still additionally realized electromagnetic shield and insulating effect, has improved the functionality of power cable junction greatly.

Description

Power cable injection molding welding joint structure

Technical Field

The utility model belongs to the technical field of the cable butt fusion, especially, relate to a power cable mould notes heat sealing head structure.

Background

The injection molding welding is a technology for connecting the power cables, and the welding head is a layer of protective sleeve structure sleeved outside a welding position after the power cables are subjected to injection molding welding and has the function of sealing and protecting two sections of cables.

The power cable injection molding welding head structure on the current market has the following problems in use: the traditional power cable injection molding welding head structure only has a single sealing protection function generally, and because the joints of two sections of power cables are welded together after being stripped, the welding head structure outside the joints does not have the insulation or anti-shielding function, so that the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power cable injection welding joint structure to the technical problem who proposes in the solution background art.

In order to achieve the above purpose, the specific technical solution of the present invention is as follows: the utility model provides a power cable injection molding welded joint structure, includes pyrocondensation cover and sinle silk, the inside of pyrocondensation cover is equipped with shielding layer and insulating protective layer, insulating protective layer's inside is equipped with the sinle silk, the inside of pyrocondensation cover is equipped with the oversheath layer, the inside of oversheath layer is equipped with the shielding layer, the inside of shielding layer is equipped with insulating protective layer.

Preferably, the oversheath layer includes tegument, armor and inner liner, the tegument is connected through the mode that bonds in the inside of pyrocondensation cover, the inside of tegument is equipped with the armor, the inner liner is connected through the mode of pressfitting in the inside of armor, the tegument laminating is in the inside of pyrocondensation cover.

Preferably, the shielding layer comprises a shielding net, a copper strip shielding layer and a semi-conductive belting layer, the outer part of the copper strip shielding layer is connected with the shielding net in a bonding mode, the semi-conductive belting layer is arranged in the copper strip shielding layer, and the shielding net is attached to the inner lining layer.

Preferably, the insulation protection layer comprises a protection layer, an insulation layer and a thermal insulation layer, the insulation layer is fixedly connected inside the protection layer, the thermal insulation layer is connected inside the insulation layer in a pressing fit mode, and the protection layer is attached to the inside of the semi-conductive wrapping tape layer.

Preferably, the insulating protective layer is connected with the wire core in a wrapping mode.

The utility model discloses a power cable injection molding welded joint structure has following advantage:

this power cable injection molding welded joint structure is through being in the same place oversheath layer, shielding layer and insulating protective layer inter-engagement, is installing good back with it like this, just can make cable junction possess better electromagnetic shield's function and insulating function for this power cable's the butt fusion department outside has possessed different functional effect, makes this structure based on sealed protection's basis, has still additionally realized electromagnetic shield and insulating effect, has improved the functionality of power cable junction greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

fig. 2 is a schematic view of the structure of the outer sheath layer of the present invention;

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

FIG. 4 is a schematic view of the structure of the insulating protective layer of the present invention;

FIG. 5 is a schematic view of the thermal shrinkable sleeve according to the present invention after thermal shrinkage;

the notation in the figure is: 1. thermal shrinkage sleeving; 2. a wire core; 3. an outer jacket layer; 4. a tegument layer; 5. an armor layer; 6. an inner liner layer; 7. a shielding layer; 8. a shielding mesh; 9. a copper strip shielding layer; 10. a semiconductive belting layer; 11. an insulating protective layer; 12. protective layer, 13, insulating layer; 14. an insulating layer.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like are used in the orientation and positional relationship shown in the drawings for convenience in describing the embodiments of the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the embodiments of 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 one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

The following disclosure provides many different embodiments or examples for implementing different features of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1-5, the utility model discloses a power cable mould notes heat sealing head structure, including heat shrinkable sleeve 1 and sinle silk 2, the inside of heat shrinkable sleeve 1 is equipped with shielding layer 7 and insulating protective layer 11, the inside of insulating protective layer 11 is equipped with sinle silk 2, the inside of heat shrinkable sleeve 1 is equipped with oversheath layer 3, the inside of oversheath layer 3 is equipped with shielding layer 7, shielding layer 7's inside is equipped with insulating protective layer 11, sets up oversheath layer 3, shielding layer 7, insulating protective layer 11 through the inside at heat shrinkable sleeve 1 to the convenience is used in complicated environment.

Oversheath layer 3 includes tegument 4, armor 5 and inner liner 6, tegument 4 is connected through the mode that bonds in the inside of pyrocondensation cover 1, the inside of tegument 4 is equipped with armor 5, inner liner 6 is connected through the mode of pressfitting in the inside of armor 5, the laminating of tegument 4 is in the inside of pyrocondensation cover 1 owing to set up tegument 4 in overcoat 3, armor 5, inner liner 6 has very high tensile strength like this, also can tolerate long-term buckling.

The shielding layer 7 comprises a shielding net 8, a copper strip shielding layer 9 and a semi-conductive belting layer 10, the shielding net 8 is connected to the outside of the copper strip shielding layer 9 in a bonding mode, the semi-conductive belting layer 10 is arranged inside the copper strip shielding layer 9, the shielding net 8 is attached to the inside of the lining layer 6, and due to the fact that the shielding layer 7 is arranged, the structure has the electromagnetic shielding function, and the anti-interference performance of the power cable connection position is improved.

The insulating protective layer 11 comprises a protective layer 12, an insulating layer 13 and a heat insulating layer 14, the insulating layer 13 is fixedly connected inside the protective layer 12, the heat insulating layer 14 is connected inside the insulating layer 13 in a pressing mode, the protective layer 12 is attached to the inside of the semi-conductive belting layer 10, and the structure has a good insulating effect through the arranged insulating protective layer 11.

The insulation protection layer 11 is connected with the wire core 2 in a wrapping mode, and the insulation protection layer 11 wraps the wire core 2, so that the wire core 2 can be better protected, and the wire core is guaranteed not to be damaged.

The working principle of the power cable injection welding head structure is as follows: when using this power cable mould to annotate heat sealing head structure, with this structure cover outside power cable's sinle silk junction, include oversheath layer 3 in the pyrocondensation cover 1, so can play protection and waterproof effect, can tolerate the striking of higher intensity, wearing and tearing, have very high tensile strength, also can tolerate long-term repeated buckling, secondly set up shielding layer 7 in the inside of oversheath layer 3, can possess better electromagnetic shield effect, and possess higher anti-buckling ability and interference killing feature, then insulation protection layer 11 has also been set up in shielding layer 7's inside, have the physics and chemical properties equivalent with the cable sheathing, resistant oil and high temperature, last insulating layer 14 can block the outside heat to sinle silk 2 conduction, prevent that outside high temperature environment influences its structure in the use, can deal with multiple complex environment, user's multiple demand has been satisfied during the application.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a power cable injection heat sealing joint structure, includes pyrocondensation cover (1) and sinle silk (2), its characterized in that: the inside of pyrocondensation cover (1) is equipped with shielding layer (7) and insulating protective layer (11), the inside of insulating protective layer (11) is equipped with sinle silk (2), the inside of pyrocondensation cover (1) is equipped with oversheath layer (3), the inside of oversheath layer (3) is equipped with shielding layer (7), the inside of shielding layer (7) is equipped with insulating protective layer (11).

2. The power cable injection molding fusion joint structure of claim 1, characterized in that: outer sheath layer (3) are including outer sheath layer (4), armor (5) and inner liner (6), outer sheath layer (4) are connected through the mode that bonds to the inside of pyrocondensation cover (1), the inside of outer sheath layer (4) is equipped with armor (5), inner liner (6) are connected through the mode of pressfitting to the inside of armor (5), outer sheath layer (4) are laminated in the inside of pyrocondensation cover (1).

3. The power cable injection molding fusion joint structure of claim 1, wherein: shielding layer (7) are including shielding net (8), copper tape shielding layer (9) and semiconduction band layer (10), shielding net (8) are connected through the mode that bonds to the outside of copper tape shielding layer (9), the inside of copper tape shielding layer (9) is equipped with semiconduction band layer (10), shielding net (8) laminating is in the inside of lining layer (6).

4. The power cable injection molding fusion joint structure of claim 1, wherein: the insulating protective layer (11) comprises a protective layer (12), an insulating layer (13) and a heat insulating layer (14), the insulating layer (13) is fixedly connected to the inside of the protective layer (12), the heat insulating layer (14) is connected to the inside of the insulating layer (13) in a pressing mode, and the protective layer (12) is attached to the inside of the semi-conductive wrapping tape layer (10).

5. The power cable injection molding fusion joint structure of claim 4, wherein: the insulating protective layer (11) is connected with the wire core (2) in a wrapping mode.