CN212541964U

CN212541964U - Durable and good wire rod of shielding performance

Info

Publication number: CN212541964U
Application number: CN202021476335.8U
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 a durable and good electric wire rod of shielding property, including conductor, first FEP insulating layer, first shielding weaving layer, second shielding weaving layer and second FEP insulating layer; the conductor is oxygen-free copper, and a layer of silver is plated on the outer side of the conductor; the first FEP insulating layer is arranged on the outer side of the conductor; the first shielding braided layer is arranged on the outer side of the first FEP insulating layer; the second shielding braided layer is arranged on the outer side of the first shielding braided layer; the second FEP insulating layer is disposed outside the second shield braid. The utility model discloses firm durable of a specified duration to shielding performance is good, and signal of telecommunication transmission is fast.

Description

Durable and good wire rod of shielding performance

Technical Field

The utility model belongs to the technical field of the electric wire, concretely relates to durable and 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 part of wires and cables have poor electric signal shielding performance, are easy to be damaged in the face of severe environment, are not durable enough, and cannot meet the requirement of stably transmitting electric signals for a long time.

SUMMERY OF THE UTILITY MODEL

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

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

a durable and good electric wire of shielding performance, including conductor, first FEP insulating layer, first shield braid, second shield braid and second FEP insulating layer; the conductor is oxygen-free copper, and a layer of silver is plated on the outer side of the conductor; the first FEP insulating layer is arranged on the outer side of the conductor; the first shielding braided layer is arranged on the outer side of the first FEP insulating layer; the second shielding braided layer is arranged on the outer side of the first shielding braided layer; the second FEP insulating layer is disposed outside the second shield braid.

Preferably, the first shielding braid and the second shielding braid are both formed by weaving copper wires, and a layer of silver is plated on the outer side of each copper wire.

Preferably, an oxygen barrier layer is disposed between the second shielding braid and the second FEP insulating layer.

Preferably, the oxygen barrier layer is a low-smoke halogen-free flame-retardant glass fiber tape.

Preferably, a mica tape is arranged between the oxygen barrier layer and the second FEP insulating layer.

Preferably, an aluminum-plastic composite tape is arranged between the mica tape and the second FEP insulating layer.

The utility model has the advantages that: the conductor is made of high-quality oxygen-free copper, and a silver coating is coated on the conductor, so that the conductor has excellent electrical conductivity, thermal conductivity, corrosion resistance and high-temperature oxidation resistance, is high in chemical stability, can resist corrosion of alkali and organic acids, does not react with oxygen in general air, and has higher running speed of electronic signals in the conductor; the outer layer of the conductor is provided with a first shielding braid and a second shielding braid, and the double layers shield electronic wave interference; the inner and outer insulating layers are made of FEP soft plastic, and have excellent weather resistance, friction resistance, high and low temperature resistance, and the material is not ignited and can prevent flame from spreading.

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-first shielding braided layer, 4-second braided layer, 5-second FEP insulating layer, 6-oxygen isolation layer, 7-mica tape and 8-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, there is disclosed a durable and good-shielding electric wire, including a conductor 1, a first FEP insulating layer 2, a first shielding braid 3, a second shielding braid 4 and a second FEP insulating layer 5; the conductor 1 is oxygen-free copper, and a layer of silver is plated on the outer side of the conductor 1; the first FEP insulating layer 2 is wrapped outside the conductor 1; the first shielding braided layer 3 is wrapped outside the first FEP insulating layer 2; the second shielding braid 4 is wrapped outside the first shielding braid 3; the second FEP insulating layer 5 is wrapped outside the second shield braid 4.

Specifically, first shielding weaving layer 3 with second shielding weaving layer 4 all adopts the copper line to weave and forms, and the outside of this copper line has plated one deck silver, increases the oxidation resistance of self.

Specifically, be provided with between second shielding weaving layer 4 and the second FEP insulating layer 5 and separate oxygen layer 6, should separate oxygen layer 6 for low smoke and zero halogen flame retardant glass fiber area, can play the effect of separating oxygen fire prevention, and can wrap first shielding weaving layer 3 and second shielding weaving layer 4 and make them not contact with the air.

Specifically, a mica tape 7 is arranged between the oxygen barrier layer 6 and the second FEP insulating layer 5, so that the high-temperature resistance and the flame retardant property of the whole wire rod can be enhanced.

Specifically, an aluminum-plastic composite tape 8 is arranged between the mica tape 7 and the second FEP insulating layer 5, so that an electric signal can be shielded, the mica tape 7 can be protected, and a moisture-proof effect is achieved.

As can be seen from the above description, the utility model is durable, good in shielding performance and fast in electric signal transmission.

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. A durable and good electric wire of shielding performance which characterized in that: the cable comprises a conductor, a first FEP insulating layer, a first shielding braided layer, a second shielding braided layer and a second FEP insulating layer; the conductor is oxygen-free copper, and a layer of silver is plated on the outer side of the conductor; the first FEP insulating layer is arranged on the outer side of the conductor; the first shielding braided layer is arranged on the outer side of the first FEP insulating layer; the second shielding braided layer is arranged on the outer side of the first shielding braided layer; the second FEP insulating layer is disposed outside the second shield braid.

2. The durable and good shielding wire as set forth in claim 1, wherein: first shielding weaving layer with second shielding weaving layer all adopts the copper line to weave and forms, and the outside of this copper line has plated one deck silver.

3. The durable and good shielding wire as set forth in claim 1, wherein: and an oxygen isolating layer is arranged between the second shielding braided layer and the second FEP insulating layer.

4. A durable and good shielding electric wire as set forth in claim 3, wherein: the oxygen isolation layer is a low-smoke halogen-free flame-retardant glass fiber tape.

5. A durable and good shielding electric wire as set forth in claim 3, wherein: and a mica tape is arranged between the oxygen isolating layer and the second FEP insulating layer.

6. The durable and good-shielding electric wire as set forth in claim 5, wherein: and an aluminum-plastic composite tape is arranged between the mica tape and the second FEP insulating layer.