CN220208615U

CN220208615U - Shielded wire

Info

Publication number: CN220208615U
Application number: CN202321654402.4U
Authority: CN
Inventors: 倪维棱
Original assignee: Guangdong Yingxin Cable Co ltd
Current assignee: Guangdong Yingxin Cable Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-12-19
Anticipated expiration: 2033-06-27

Abstract

The utility model relates to the technical field of wire structures and discloses a shielded wire, which comprises an outer cladding used for wrapping the wire, wherein a buffer layer is arranged in the outer cladding, a double shielding layer is arranged in the buffer layer, a copper core layer is arranged in the double shielding layer, and four mutually symmetrical copper core wires are wrapped in the copper core layer.

Description

Shielded wire

Technical Field

The utility model relates to the technical field of wire structures, in particular to a shielding wire.

Background

A shielded wire is a wire in which one or more insulated conductors of the wire are surrounded by a common conductive layer, the shield may be made of braided copper strands (or other metals such as aluminum), non-braided spiral wound copper tape, or a layer of conductive polymer, typically the shield is covered with a jacket, as the name implies, the wire is formed in a manner that the wire is transmitted with a shield layer applied thereto, the so-called "shield" on the wire structure is also a measure to improve the distribution of the electric field, the magnetic field is generated around the wire during the transmission of the electric power, and if no shield layer is provided around the wire, the electromagnetic field causes damage to the outside.

However, the inside of the existing shielded wire is not a single shielding layer, but is not a double shielding layer, and the shielding layers in the shielded wire are all fixed, so that the shielding effect required by changing the scene electromagnetic cannot be realized, and the existing shielded wire is too single, so that the shielded wire is proposed.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a shielding wire which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shielded wire, is including the surrounding layer that is used for wrapping up the electric wire, and the inside of surrounding layer is provided with the buffer layer, and the inside of buffer layer is provided with double shielding layer, and the inside of double shielding layer is provided with the copper core layer, and the inside parcel of copper core layer has four mutual symmetrical copper core electric wires.

Preferably, the buffer layer is made of polypropylene, the upper end of the buffer layer is provided with a mounting groove, and the inside of the mounting groove is filled with sponge blocks and is attached to the inner wall of the outer cladding layer.

Preferably, the double shielding layer comprises a fixed shielding layer and a movable shielding layer, the fixed shielding layer and the movable shielding layer are both made of metal foil, the fixed shielding layer is fixedly connected to the outer wall of the copper core layer, the inner diameter of the movable shielding layer is larger than that of the fixed shielding layer, and the movable shielding layer is movably sleeved on the fixed shielding layer.

Preferably, the fixed shielding layer comprises two metal foil strips which are connected together in a cross manner, the two metal foil strips are woven together in a multi-group encircling manner, and rhombic clamping holes are formed among the multi-group metal foil strips.

Preferably, the movable shielding layer is located between the fixed shielding layer and the buffer layer, the movable shielding layer is formed by a plurality of metal foil blocks in a surrounding and fixed connection mode, the metal foil blocks are arranged in a diamond shape, the metal foil blocks corresponding to the clamping holes are fixedly connected to the inner walls of the metal foil blocks, the metal foil blocks are clamped with the cards Kong Huodong, rhombic grooves are formed among the metal foil blocks, and pull rings are fixedly connected to the inner walls of the rhombic grooves.

(III) beneficial effects

Compared with the prior art, the utility model provides a shielding wire, which has the following beneficial effects:

1. this shielded wire is through dual shielding layer between surrounding layer and copper core electric wire, shields the magnetic field of electric wire, can utilize the pull formula to cup joint each other between movable shielding layer and the fixed shielding layer not having the gap according to the intensity that uses place magnetism, strengthens the shielding effect of electric wire to make this shielded wire diversified, it is more nimble to the site environment.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is an exploded perspective view of the present utility model;

FIG. 3 is a schematic diagram of an active shielding layer according to the present utility model.

In the figure: 1. an outer cladding; 2. a buffer layer; 3. a double shielding layer; 4. a copper core layer; 5. copper core wire; 6. a mounting groove; 7. fixing the shielding layer; 8. a movable shielding layer; 9. and (5) a pull ring.

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.

Referring to fig. 1-3, a shielded wire includes an outer cover 1 for wrapping the wire, a buffer layer 2 is disposed in the outer cover 1, a double shielding layer 3 is disposed in the buffer layer 2, a copper core layer 4 is disposed in the double shielding layer 3, four mutually symmetrical copper core wires 5 are wrapped in the copper core layer 4, the copper core wires 5 are wrapped and protected by the outer cover 1, and anti-falling performance is added to the copper core wires 5 in the middle by the buffer layer 2, and electromagnetic fields generated by the copper core wires 5 are shielded by the double shielding layer 3.

Further, buffer layer 2 sets up to the polypropylene material, and mounting groove 6 has been seted up to buffer layer 2's upper end, and the inside of mounting groove 6 is filled with the sponge piece and is laminated together with the inner wall of surrounding layer 1 mutually, is the polypropylene material through buffer layer 2, makes this layer protective layer have the pliability, possesses anti falling to be equipped with mounting groove 6 on buffer layer 2's surface, utilize mounting groove 6 to embed wherein with the sponge that has the compliance, protect copper core electric wire 5.

Further, the double shielding layer 3 comprises a fixed shielding layer 7 and a movable shielding layer 8, the fixed shielding layer 7 and the movable shielding layer 8 are both made of metal foil, the fixed shielding layer 7 is fixedly connected to the outer wall of the copper core layer 4, the inner diameter of the movable shielding layer 8 is larger than that of the fixed shielding layer 7, the movable shielding layer 8 is movably sleeved on the fixed shielding layer 7, the double shielding layer 3 is fixed inside the copper core wire by the aid of the fixed shielding layer 7, the electric wire is enabled to be provided with shielding for scenes with low magnetic field, the magnetic field generated by the copper core wire 5 is not influenced by the outer peripheral magnetic field through the fixed shielding layer 7, and when the environment with strong magnetic field is obtained, the copper core wire 5 is enabled to generate electromagnetic shielding through the movable shielding layer 8, and the copper core wire is prevented from being mutually interfered.

Further, the fixed shielding layer 7 comprises two metal foil strips which are connected together in a cross manner, the two metal foil strips are woven together in a multi-group surrounding manner, and rhombic clamping holes are formed among the multi-group metal foil strips.

Further, the movable shielding layer 8 is located between the fixed shielding layer 7 and the buffer layer 2, the movable shielding layer 8 is formed by a plurality of metal foil blocks in a surrounding and fixed connection mode, the metal foil blocks are arranged in a diamond shape, the metal foil blocks corresponding to the clamping holes are fixedly connected to the inner walls of the metal foil blocks, the metal foil blocks are clamped with the cards Kong Huodong, rhombic grooves are formed between the metal foil blocks, pull rings 9 are fixedly connected to the inner walls of the rhombic grooves, when the environment of magnetic field intensity is met, the wires need to be cut off before being connected, the copper cores in the wires are exposed, at the moment, the pull rings 9 in the movable shielding layer 8 are pulled outwards, the movable shielding layer 8 is integrally moved to one pulled end, the metal foil blocks are clamped with the corresponding clamping holes, gaps are not reserved, shielding is increased to the outer ends of the fixed shielding layer 7, and the shielding performance is stronger.

Working principle: the shielding wire utilizes the surrounding layer 1 to wrap up the protection to the copper core wire 5, utilize the buffer layer 2 in the middle to have added anti-throwing nature to the copper core wire 5 of inside, and utilize the double shield layer 3 to have the shielding nature to the electromagnetic field that copper core wire 5 produced, be the polypropylene material through buffer layer 2, make this layer protective layer have the pliability, possess anti-throwing, and be equipped with mounting groove 6 on the surface of buffer layer 2, utilize mounting groove 6 to embed the sponge that has the compliance wherein, protect copper core wire 5, double shield layer 3 utilizes fixed shield layer 7 to fix in its inside, make its own possess the shielding, to some scenes that the magnetic field nature is low, make its peripheral magnetic field to the copper core wire 5 produce the magnetic field not influenced can, as the environment that the magnetic field is stronger, the accessible movable shield layer 8 is with its parcel in the outer end of fixed shield layer 7, make this copper core wire 5 produce electromagnetic magnetism can obtain stronger shielding, prevent that both from being disturbed each other, before the switch-on, need cut one copper core shield wire to come out, take out the movable clip layer 8 to the corresponding to the outer end of the movable clip layer of pull-out, make the movable clip layer 9, make the whole keep the opposite end, make the movable clip draw the end to be more difficult, make the end of the movable clip draw the end to be kept the movable clip to the end, the end is kept the movable clip is more than the end, the movable clip is pulled to the end is the movable clip is the end to be pulled out to the movable clip is to the end to the movable clip is the end to the piece.

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. A shielded electrical wire comprising an outer covering (1) for wrapping the wire, characterized in that: the inside of surrounding layer (1) is provided with buffer layer (2), and the inside of buffer layer (2) is provided with double shielding layer (3), and the inside of double shielding layer (3) is provided with copper core layer (4), and the inside parcel of copper core layer (4) has four mutual symmetrical copper core electric wires (5).

2. A shielded electrical wire according to claim 1, wherein: the buffer layer (2) is made of polypropylene, the upper end of the buffer layer (2) is provided with a mounting groove (6), and the inside of the mounting groove (6) is filled with sponge blocks and is attached to the inner wall of the outer cladding layer (1).

3. A shielded electrical wire according to claim 1, wherein: the double shielding layer (3) comprises a fixed shielding layer (7) and a movable shielding layer (8), the fixed shielding layer (7) and the movable shielding layer (8) are both made of metal foil, the fixed shielding layer (7) is fixedly connected to the outer wall of the copper core layer (4), the inner diameter of the movable shielding layer (8) is larger than that of the fixed shielding layer (7), and the movable shielding layer (8) is movably sleeved on the fixed shielding layer (7).

4. A shielded electrical wire according to claim 3, wherein: the fixed shielding layer (7) comprises two metal foil strips which are connected together in a cross mode, the two metal foil strips are woven together in a multi-group encircling mode, and rhombic clamping holes are formed among the multi-group metal foil strips.

5. A shielded electrical wire according to claim 4, wherein: the movable shielding layer (8) is positioned between the fixed shielding layer (7) and the buffer layer (2), the movable shielding layer (8) is formed by a plurality of metal foil blocks in a surrounding and fixed connection mode, the metal foil blocks are arranged in a diamond shape, the metal foil blocks corresponding to the clamping holes are fixedly connected to the inner walls of the metal foil blocks, the metal foil blocks are clamped with the cards Kong Huodong, rhombic grooves are formed among the metal foil blocks, and pull rings (9) are fixedly connected to the inner walls of the rhombic grooves.