CN210073447U

CN210073447U - High-performance transmission network cable

Info

Publication number: CN210073447U
Application number: CN201920648303.2U
Authority: CN
Inventors: 龙本红
Original assignee: Guangdong Huan Huan Electronic Technology Co Ltd
Current assignee: Guangdong Huan Huan Electronic Technology Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-02-14
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a high performance transmission network cable, it includes protective layer, outer protective insulation layer, wheat and draws aluminium foil layer and weaving layer, be equipped with four pair twist group, every in the inner chamber that the protective layer encloses the outer parcel of pair twist group has wheat to draw aluminium foil layer, protective layer inner wall along the circumferencial direction be equipped with the transmission conductor moves towards the recess of unanimous circular arc type structure, protective layer inner wall inwards is equipped with four parting bead, four along the axis direction the parting bead separates the inner chamber of protective layer for four isolation cavity, four pair twist group one-to-one respectively sets up inside four isolation cavity, protective layer outside parcel has the weaving layer, the weaving layer outside parcel has outer protective insulation layer, protective layer and parting bead all adopt polybutadiene rubber materials. The utility model discloses can improve crushing resistance for network transmission is difficult for receiving the damage.

Description

High-performance transmission network cable

Technical Field

The utility model relates to a network cable technical field, more specifically say, relate to a high performance transmission network cable.

Background

A network cable is a medium for transmitting information from one network device to another network device, and is a basic component of a network. Under the general condition, the network cable is laid according to the transmission distance between two network devices, so the network cable can transmit signals through various severe environments, and the network cable is easily exposed to the sun or rolled, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides a high performance transmission network cable, can improve crushing resistance for network transmission is difficult for receiving the damage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-performance transmission network cable comprises a protective layer, an outer protective insulating layer, a Mylar aluminum foil layer and a braided layer, four twisted pair groups are arranged in the inner cavity defined by the protective layer, each twisted pair group is formed by twisting two transmission conductors, the transmission conductor is wrapped with a conductor insulating layer, each twisted pair group is wrapped with a Mylar aluminum foil layer, the inner wall of the protective layer is provided with a groove with an arc structure along the circumferential direction, the direction of the groove is consistent with that of the transmission conductor, the inner wall of the protective layer is internally provided with four isolating strips along the axial direction, the four isolating strips divide the inner cavity of the protective layer into four isolating cavities, the four twisted pairs are respectively arranged in the four isolating cavities in a one-to-one correspondence manner, the protective layer outside parcel has the weaving layer, the weaving layer outside parcel has outer protective insulation layer, protective layer and parting bead all adopt polybutadiene rubber material.

Preferably, all four of the isolation cavities are incompletely closed cavities.

Preferably, the inner wall of the outer protective insulating layer is provided with a raised line of an arc structure along the circumferential direction, and the direction of the raised line is consistent with that of the transmission conductor.

Preferably, the gap between the outer protective insulating layer and the woven layer is filled with glass silk floss.

Preferably, the outer protective insulating layer is made of polyethylene material.

Preferably, the braid is braided with metal, and the braid density is greater than 80%.

Preferably, the transmission conductor is made of oxygen-free copper material.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a protective layer inner chamber sets up four pair twisted wire groups, can compare and further protect the transmission conductor, and the protective layer sets up four parting strips, four parting strips divide the inner chamber of protective layer into four isolation cavities, and four pair twisted wire groups respectively one-to-one set up inside four isolation cavities, make four pair twisted wire groups separate each other, be difficult for receiving mutual interference, simultaneously, the protective layer inner wall is equipped with along the circumferencial direction with the transmission conductor moves towards the recess of the circular arc type structure unanimous, make pair twisted wire group be difficult for walking out, in addition, the isolation cavity makes when the cable is extruded, can decompose pressure, can not crush the transmission conductor, prolong the transmission conductor life, and protective layer and parting strip all adopt polybutadiene rubber material, its elasticity is stronger, in order to increase the pressure buffering when being extruded, make the transmission conductor receive the harm, the compressive resistance is improved.

Drawings

Fig. 1 is a schematic structural diagram of the high-performance transmission network cable of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

The invention is further described with reference to the accompanying drawings and the detailed description below:

referring to fig. 1, a high performance transmission network cable includes a protective layer 1, an outer protective insulation layer 4, a mylar aluminum foil layer 22 and a braid layer 3, four twisted pairs 2 are disposed in an inner cavity surrounded by the protective layer 1, each twisted pair 2 is formed by twisting two transmission conductors 20, a conductor insulation layer 21 is wrapped around each transmission conductor 20 to avoid signal interference between the two twisted pairs 20, the mylar aluminum foil layer 22 is wrapped around each twisted pair 2 to separate the four twisted pairs 2, so as to prevent crosstalk failure caused by mutual interference when each twisted pair 2 transmits signals, a circular arc groove 10 is disposed on an inner wall of the protective layer 1 along a circumferential direction, which is consistent with the direction of the transmission conductors 20, so that the twisted pairs 2 are not easy to move, and position change is reduced to reduce interference between the twisted pairs 2, four isolation strips 11 are inwardly disposed on the inner wall of the protective layer 1 along an axial direction, the protective layer 1 and the isolation strips 11 are integrally formed, the protective layer 1 and the isolation strips 11 are made of polybutadiene rubber materials, the elasticity of the polybutadiene rubber materials is strong, pressure buffering is increased when extrusion is performed, the transmission conductors 20 are damaged, and the pressure resistance is improved, the inner cavity of the protective layer 1 is divided into four isolation cavities 12 by the four isolation strips 11, in the embodiment, preferably, the lengths of the four isolation strips 11 in the axial direction are equal, the areas of the isolation cavities 12 are equal, the four twisted wire groups 2 are respectively arranged inside the four isolation cavities 12 in a one-to-one correspondence mode, so that the four twisted wire groups 2 are separated from each other and are not easily interfered with each other, meanwhile, when the cable is extruded by the isolation cavities 12, the damping capacity is increased, pressure can be decomposed, the transmission conductors 20 cannot be crushed, the outer side of the protective layer 1 is wrapped with 3, and the braided layers 3 are formed, the weaving density is more than 80%, and preferably, the metal adopted by the weaving layer 3 is copper, which can resist external crosstalk interference and other external electromagnetic interference, and the outer side of the weaving layer 3 is wrapped with the outer protective insulating layer 4, which can protect the internal components from being damaged.

In the present embodiment, preferably, the four isolation cavities 12 are all incompletely closed cavities, but the isolation cavities 12 can completely surround the pair of twisted wire groups 2, which can increase the elasticity between the isolation cavities 12 to improve the buffering force caused by the extrusion of the cable, and prevent the transmission conductor 20 from being damaged.

In this embodiment, as preferred, in order to avoid the outer insulating layer 4 and the weaving layer 3 from wearing and tearing due to excessive friction, the inner wall of the outer insulating layer 4 is provided with the raised line 40 having the arc structure in accordance with the direction of the transmission conductor 20 along the circumferential direction, so as to reduce the contact area between the outer insulating layer 4 and the weaving layer 3, and reduce wear and tear through the arc structure, in addition, the gap between the outer insulating layer 4 and the weaving layer 3 is filled with glass wool, the hygroscopicity and the fire resistance of the glass wool are both good, the components inside the outer insulating layer 4 can be protected, the service life of the cable is prolonged, and meanwhile, the outer insulating layer 4 is made of polyethylene material, so that the cable has good heat resistance outside, and can adapt to various severe environments.

In addition, in this embodiment, the transmission conductor 20 is made of oxygen-free copper material, the purity of the oxygen-free copper material is greater than 99%, the wire number of the transmission conductor 20 is 22AWG, the bandwidth can be supported to be 2GMHz, and the transmission rate can reach 40GMbps, so as to improve the transmission speed and performance.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A high-performance transmission network cable is characterized by comprising a protective layer, an outer protection insulating layer, a Mylar aluminum foil layer and a woven layer, wherein four twisted pairs are arranged in an inner cavity surrounded by the protective layer, each twisted pair is formed by twisting two transmission conductors, the transmission conductors are wrapped with the conductor insulating layers, the Mylar aluminum foil layer is wrapped outside each twisted pair, a groove of an arc structure consistent with the trend of the transmission conductors is arranged on the inner wall of the protective layer along the circumferential direction, four isolating strips are inwards arranged on the inner wall of the protective layer along the axial direction and divide the inner cavity of the protective layer into four isolating cavities, the four twisted pairs are respectively arranged in the four isolating cavities in a one-to-one correspondence mode, the woven layer is wrapped outside the protective layer, and the outer protection insulating layer is wrapped outside the woven layer, the protective layer and the isolating strips are made of polybutadiene rubber materials.

2. A high performance transmission network cable according to claim 1, wherein each of the four said isolation chambers is a partially enclosed chamber.

3. The high-performance transmission network cable according to claim 1, wherein the inner wall of the outer protective insulating layer is provided with a raised strip of a circular arc structure along a circumferential direction, the raised strip having a same direction as the transmission conductor.

4. The high performance transmission network cable of claim 3, wherein the gap between the outer protective insulating layer and the braided layer is filled with glass wool.

5. A high performance transmission network cable according to claim 1, 3 or 4, wherein the outer protective insulating layer is made of polyethylene.

6. A high performance transmission network cable according to claim 1, wherein said braid is braided from metal with a braid density greater than 80%.

7. A high performance transmission network cable according to claim 1, characterized in that the transmission conductor is made of an oxygen-free copper material.