CN212541962U

CN212541962U - Electric wire with good shielding performance

Info

Publication number: CN212541962U
Application number: CN202021475445.2U
Authority: CN
Inventors: 胡歌飞
Original assignee: Dongguan Qinda Wire Co ltd
Current assignee: Dongguan Qinda Wire Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-02-12
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses an electric wire with good shielding performance, which comprises a conductor, a first FEP insulating layer, an aluminum foil shielding layer, a first copper wire weaving layer, a second FEP insulating layer, a second copper wire weaving layer and a third FEP insulating layer; the first FEP insulating layer is arranged on the outer side of the conductor; the aluminum foil shielding layer is arranged on the outer side of the first FEP insulating layer; the first copper wire braided layer is arranged on the outer side of the aluminum foil shielding layer in a wrapping mode; the second FEP insulating layer is arranged on the outer side of the first copper wire braided layer; the second copper wire braided layer is arranged on the outer side of the second FEP insulating layer; the third FEP insulating layer is arranged on the outer side of the second copper wire braided layer. The utility model discloses shielding performance to the signal of telecommunication is good, and data transmission is effectual.

Description

Electric wire with good shielding performance

Technical Field

The utility model belongs to the technical field of the electric wire, concretely relates to electric wire rod that shielding performance is good.

Background

The wire consists of four parts, namely a conductor, an insulating layer, a shielding layer and a protective layer, and is a wire product for transmitting electric energy and information and realizing electromagnetic energy conversion.

The existing electric wire and cable has poor shielding performance on electric signals, and is easy to be interfered by external electric signals on the one hand and leak electromagnetic signals of the electric wire and cable on the other hand, so that the data transmission effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem and provide a wire rod that shielding performance is good.

The utility model discloses a realize its technological effect and the solution that adopts does:

an electric wire with good shielding performance comprises a conductor, a first FEP insulating layer, an aluminum foil shielding layer, a first copper wire braided layer, a second FEP insulating layer, a second copper wire braided layer and a third FEP insulating layer; the first FEP insulating layer is arranged on the outer side of the conductor; the aluminum foil shielding layer is arranged on the outer side of the first FEP insulating layer; the first copper wire braided layer is arranged on the outer side of the aluminum foil shielding layer in a wrapping mode; the second FEP insulating layer is arranged on the outer side of the first copper wire braided layer; the second copper wire braided layer is arranged on the outer side of the second FEP insulating layer; the third FEP insulating layer is arranged on the outer side of the second copper wire braided layer.

Preferably, a layer of conductive adhesive is arranged between the aluminum foil shielding layer and the first copper wire braid layer.

Preferably, the copper wires adopted by the first copper wire braided layer and the second copper wire braided layer are steel-clad copper, and the outer surfaces of the copper wires are tinned.

Preferably, a waterproof layer is arranged between the second copper wire braided layer and the third FEP insulating layer, and the waterproof layer is ethylene propylene diene monomer.

Preferably, a layer of aluminum-plastic composite tape is arranged between the waterproof layer and the third FEP insulating layer.

The utility model has the advantages that: an aluminum foil shielding layer is arranged on the outer side of the first FEP insulating layer to prevent signal interference and effectively prevent electromagnetic waves from penetrating out of the gap and leaking; meanwhile, a first copper wire braided layer is arranged outside the aluminum foil shielding layer to be wound and shielded, so that an electromagnetic field is limited between the inner conductor and the outer conductor; one deck second FEP insulating layer and second copper line weaving layer increase again in the first copper line weaving layer outside, strengthen the interference killing feature, make the product do not have radiation loss, to external signal zero interference.

Drawings

Fig. 1 is a schematic cross-sectional view of an electric wire disclosed in an embodiment of the present invention.

And (3) identification and explanation: 1-conductor, 2-first FEP insulating layer, 3-aluminum foil shielding layer, 4-first copper wire braided layer, 5-second FEP insulating layer, 6-second copper wire braided layer, 7-third FEP insulating layer, 8-conductive adhesive, 9-waterproof layer and 10-aluminum-plastic composite tape.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When one element is referred to as being "fixedly attached" to another element, it can be fixedly attached by welding, bolting, gluing, or the like.

Referring to fig. 1, in a preferred embodiment of the present invention, an electric wire with good shielding performance is disclosed, which includes a conductor 1, a first FEP insulating layer 2, an aluminum foil shielding layer 3, a first copper braided layer 4, a second FEP insulating layer 5, a second copper braided layer 6, and a third FEP insulating layer 7; the first FEP insulating layer 2 is wrapped outside the conductor 1; the aluminum foil shielding layer 3 is wrapped on the outer side of the first FEP insulating layer 2; the first copper wire woven layer 4 is wrapped on the outer side of the aluminum foil shielding layer 3; the second FEP insulating layer 5 is wrapped outside the first copper wire braided layer 4; the second copper wire braided layer 6 is wrapped outside the second FEP insulating layer 5; the third FEP insulating layer 7 is provided outside the second copper wire braid 6.

Specifically, a layer of conductive adhesive 8 is arranged between the aluminum foil shielding layer 3 and the first copper wire braid layer 4 to enhance the shielding effectiveness of both sides.

Specifically, the copper wires adopted by the first copper wire braided layer 4 and the second copper wire braided layer 6 are steel-clad copper, so that the strength of the copper wires is higher; and the outer surface of the copper wire is plated with tin to prevent the surface of the copper wire from being oxidized.

Specifically, be provided with one deck waterproof layer 9 between second copper line weaving layer 6 and the third FEP insulating layer 7, this waterproof layer 9 is ethylene propylene diene monomer rubber, and water resistance is good, improves the waterproof performance of electric wire.

Specifically, a layer of aluminum-plastic composite tape 10 is arranged between the waterproof layer 9 and the third FEP insulating layer 7, so that the moisture-proof, electric signal shielding and chemical protection functions are provided for the interior of the electric wire.

According to the above description, the utility model discloses shielding performance to the signal of telecommunication is good, and data transmission is effectual.

While the preferred embodiments of the present invention have been illustrated in detail in the accompanying drawings, it should be understood that the scope of the invention includes, but is not limited to, the embodiments described above; the specific structure disclosed in the drawings is only a preferred embodiment of the present invention, and those skilled in the art can also develop other embodiments on this basis, and any simple deformation or equivalent replacement without departing from the innovative concept of the present invention is covered by the present invention, which belongs to the protection scope of the present invention.

Claims

1. The utility model provides a wire rod that shielding performance is good which characterized in that: the composite cable comprises a conductor, a first FEP insulating layer, an aluminum foil shielding layer, a first copper wire braided layer, a second FEP insulating layer, a second copper wire braided layer and a third FEP insulating layer; the first FEP insulating layer is arranged on the outer side of the conductor; the aluminum foil shielding layer is arranged on the outer side of the first FEP insulating layer; the first copper wire braided layer is arranged on the outer side of the aluminum foil shielding layer in a wrapping mode; the second FEP insulating layer is arranged on the outer side of the first copper wire braided layer; the second copper wire braided layer is arranged on the outer side of the second FEP insulating layer; the third FEP insulating layer is arranged on the outer side of the second copper wire braided layer.

2. The electric wire rod with good shielding performance according to claim 1, wherein: and a layer of conductive adhesive is arranged between the aluminum foil shielding layer and the first copper wire woven layer.

3. The electric wire rod with good shielding performance according to claim 1, wherein: the copper wire that first copper line weaving layer and second copper line weaving layer adopted is package copper to the surface tin-plating of this copper wire.

4. The electric wire rod with good shielding performance according to claim 1, wherein: and a waterproof layer is arranged between the second copper wire woven layer and the third FEP insulating layer and is made of ethylene propylene diene monomer.

5. The electric wire rod with good shielding performance according to claim 4, wherein: and a layer of aluminum-plastic composite belt is arranged between the waterproof layer and the third FEP insulating layer.