CN213277583U

CN213277583U - Large-pair cable

Info

Publication number: CN213277583U
Application number: CN202021688271.8U
Authority: CN
Inventors: 毋科科; 刘瑞东; 王文力; 谢凯旋; 赵捷; 程排常; 刘辉; 骆建伟
Original assignee: Huizhou Dehong Technology Co ltd
Current assignee: Huizhou Dehong Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-25
Anticipated expiration: 2030-08-13

Abstract

A large-pair cable comprises a wire core assembly, an outer package assembly and a ground wire, wherein the wire core assembly comprises four wire groups, each wire group comprises a wrapping tape, a first wire pair and a plurality of second wire pairs, the plurality of second wire pairs are distributed in a ring shape along the central axis of the first wire pair, the plurality of second wire pairs are wrapped outside the first wire pair, and the wrapping tape is wound outside the plurality of second wire pairs; the outer package component is coated outside the four wire groups and comprises a PET layer, an aluminum foil layer, a braided layer and an outer sheath, the PET layer is coated outside the wrapping band, the aluminum foil layer is coated outside the PET layer, the braided layer is coated outside the aluminum foil layer, and the outer sheath is coated outside the braided layer; the ground wire is arranged between the aluminum foil layer and the braid layer. Set up four groups, a plurality of second line pairs are the annular form and distribute, and the cladding is external in first line, winds the band and twines the parcel to the second line pair, forms the better group of circularity, loops through PET layer, aluminium foil layer, weaving layer and oversheath and carries out the cladding to four groups, reduces the attenuation of big logarithm cable, improves transmission effect.

Description

Large-pair cable

Technical Field

The utility model relates to a wire and cable field especially relates to a big logarithm cable.

Background

The modern society is an information society, with the rapid development of information networks and personal computers, the application of network switches is more and more extensive, the network switch is a device for expanding networks, can provide more connecting ports for sub-networks so as to connect more computers, with the development of the communication industry and the promotion of national economy informatization, the network switch also becomes the most popular switch, a large number of pairs of cables can be used for the connection between a switching station and a user of a telecommunication office, the large number of pairs of cables means the meaning of multiple pairs, the large number of pairs of cables means that a plurality of pairs of cables form a small bundle, and then a large number of small bundles form a large bundle, the large number of cables can be used for the connection between the switches, can meet the current network connection and transmission requirements, and achieve better network connection and transmission effects, and the large number of cables have the advantages of convenient laying and better network connection and transmission effects compared with optical cables, The cable management is simple, the cost is low and the like.

However, in the use process of the large-pair cable, attenuation exists, which is an important parameter affecting the transmission distance and transmission stability of the cable, the attenuation is an electrical index for measuring the reduction and loss of signal energy and increases with the increase of transmission frequency, the main factors affecting the attenuation include conductor diameter, conductor material, insulating material, cable structure and the like, when the large-pair cable is used for connection between network switches, the larger the attenuation is, the worse the network connection and transmission effect is, the requirements of users on network signals and network speed cannot be met, and user experience is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a big log cable that roundness and structure are more stable, be favorable to reducing the decay of big log cable, improve transmission effect.

The purpose of the utility model is realized through the following technical scheme:

a large pair cable comprising:

the wire core assembly comprises four wire groups, each wire group comprises a wrapping tape, a first wire pair and a plurality of second wire pairs, the second wire pairs are distributed in a ring shape along the central axis of the first wire pair, the second wire pairs are wrapped outside the first wire pair, and the wrapping tape is wound outside the second wire pairs;

the outer packaging component is coated outside the four wire groups and comprises a PET layer, an aluminum foil layer, a weaving layer and an outer sheath, the PET layer is coated outside the wrapping band, the aluminum foil layer is coated outside the PET layer, the weaving layer is coated outside the aluminum foil layer, and the outer sheath is coated outside the weaving layer; and

and the ground wire is arranged between the aluminum foil layer and the woven layer.

In one embodiment, the pair of large cables further comprises a tear line disposed in the outer jacket.

In one embodiment, the first wire pair includes two first conductor wires twisted with each other and a first insulating layer covering the two first conductor wires.

In one embodiment, each of the second line pairs includes two second conductor lines twisted with each other and a second insulating layer covering the two second conductor lines.

In one embodiment, the second line pairs are arranged in seven.

In one embodiment, the wrapping tape is polypropylene wrapping tape.

In one embodiment, each of the first conductor lines includes a third insulating layer and a plurality of first conductor units, the plurality of first conductor units are twisted with each other, and the third insulating layer covers the plurality of first conductor units.

In one embodiment, each of the second conductor lines includes a fourth insulating layer and a plurality of second conductor units, the plurality of second conductor units are twisted with each other, and the fourth insulating layer covers the plurality of second conductor units.

In one embodiment, the large pair cable further includes a plurality of first filling members, the plurality of first filling members are disposed between the four wire groups, and the plurality of first filling members are used for filling gaps between the four wire groups.

In one embodiment, the pair of large cables further includes a plurality of second fillers, the plurality of second fillers are disposed between the four wire groups and the PET layer, and the plurality of second fillers are used for filling gaps between the four wire groups and the PET layer.

Compared with the prior art, the utility model discloses at least, following advantage has:

the utility model discloses a set up four groups, every group all includes first line pair and a plurality of second line pair, and a plurality of second line pair are the annular form and distribute, and the cladding is external in first line, through twining the parcel to the second line around the band, is favorable to forming the better group of rounding degree, and four groups can form symmetrical structure, then loop through PET layer, aluminium foil layer, weaving layer and oversheath and carry out the cladding to four groups, with the ground wire set up in aluminium foil layer reaches between the weaving layer, be favorable to better installing the ground wire, obtain the better big logarithm cable of rounding degree, be favorable to improving the structural stability of big logarithm cable to be favorable to reducing the decay of big logarithm cable, improve transmission effect, make the user obtain better experience effect.

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 structural diagram of a large-pair cable according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an outer covering assembly of the large pair cable shown in FIG. 1;

FIG. 3 is a schematic diagram of a first pair of wires of the large pair cable of FIG. 1;

fig. 4 is a schematic diagram of a second pair of wires of the large pair cable of fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the large pair cable 10 includes: core assembly 100, sheath assembly 200 and ground wire 300. The wire core assembly 100 includes four wire groups 110, each wire group 110 includes a wrapping tape 111, a first wire pair 112 and a plurality of second wire pairs 113, the plurality of second wire pairs 113 are distributed in a ring shape with a central axis of the first wire pair 112, the plurality of second wire pairs 113 are wrapped outside the first wire pair 112, and the wrapping tape 111 is wound outside the plurality of second wire pairs 113. The outer-wrapping component 200 is wrapped outside the four wire groups 110, the outer-wrapping component 200 includes a PET layer 210, an aluminum foil layer 220, a braid layer 230 and an outer sheath 240, the PET layer 210 is wrapped outside the wrapping tape 111, the aluminum foil layer 220 is wrapped outside the PET layer 210, the braid layer 230 is wrapped outside the aluminum foil layer 220, and the outer sheath 240 is wrapped outside the braid layer 230. The ground wire 300 is disposed between the aluminum foil layer 220 and the braid layer 230.

It should be noted that the core assembly 100 includes four wire groups 110, the four wire groups 110 may form a symmetrical structure, which is favorable for improving the roundness and structural stability of the large-pair cable 10, each wire group 110 has the same structure, each wire group 110 includes a wrapping tape 111, a first wire pair 112 and a plurality of second wire pairs 113, the plurality of second wire pairs 113 are distributed in a ring shape around a central axis of the first wire pair 112 and are wrapped outside the first wire pair 112, that is, the plurality of second wire pairs 113 are distributed in a ring shape around the first wire pair 112, wrapping the first wire pair 112, and then spirally winding the wrapping tape 111 outside the plurality of second wire pairs 113, wrapping and fixing the first wire pair 112 and the plurality of second wire pairs 113 to form the wire group 110, so that the wire group 110 with better roundness can be formed, and the four wire groups 110 may form a symmetrical structure, then the four wire groups 110 are sequentially coated by the PET layer 210, the aluminum foil layer 220, the braid layer 230 and the outer sheath 240, that is, the PET layer 210 is coated outside the four wire groups 110, the aluminum foil layer 220 is coated outside the PET layer 210, the braid layer 230 is coated outside the aluminum foil layer 220, the outer sheath 240 is coated outside the braid layer 230, the PET layer 210, the aluminum foil layer 220, the braid layer 230 and the outer sheath 240 are tightly attached to each other to play a role in protection and shielding, wherein the PET layer 210 has good electrical insulation performance and can further play an insulation role, then the good shielding role can be played by the aluminum foil and the braid layer 230 to ensure normal signal transmission, finally the outer sheath 240 is coated outside the braid layer 230 to play a role in protection, the ground wire 300 is arranged between the aluminum foil layer 220 and the braid layer 230 to better install the ground wire 300, avoid ground wire 300 to remove at will, obtain the more stable big logarithm cable 10 of structure, be favorable to improving the structural stability of big logarithm cable 10, thereby be favorable to reducing the decay of big logarithm cable 10, improve transmission effect, make the user obtain better experience, it is worth mentioning, four group 110 are different around the colour of band 111, can be according to concrete production needs, set up four group 110 around band 111 to the colour that specifically needs, can play and carry out the effect of mark to four group 110.

Specifically, referring to fig. 1, the large pair cable 10 further includes a tear line 400, and the tear line 400 is disposed in the outer sheath 240. It should be noted that, by arranging the tear line 400 in the outer sheath 240, the outer sheath 240 can be conveniently subjected to edge opening operation by pulling the tear line 400, so that the outer sheath 240 is conveniently torn and taken down, the internal material of the large-number cable 10 is conveniently recycled, and the operation is convenient.

Specifically, referring to fig. 1 and fig. 3, the first wire pair 112 includes two first conductor wires 112a and a first insulating layer 112b, the two first conductor wires 112a are twisted with each other, and the first insulating layer 112b covers the two first conductor wires 112 a. Note that, the two first conductor lines 112a are twisted with each other, the structure is stable, and then the first pair 112 is formed by coating the first insulating layer 112b, so that the first pair 112 having a stable structure can be obtained, and the insulating effect is good.

Specifically, referring to fig. 1 and 4, each of the second wire pairs 113 includes two second conductor wires 113a and a second insulating layer 113b, the two second conductor wires 113a are twisted with each other, and the second insulating layer 113b covers the two second conductor wires 113 a. It should be noted that each second wire pair 113 includes two second conductor wires 113a, the two second conductor wires 113a are twisted with each other, the structure is stable, and then the second wire pair 113 is formed by coating the second insulating layer 113b, so that the second wire pair 113 with stable structure can be obtained, and the insulating effect is good.

More specifically, referring to fig. 1, the second pair of wires 113 are arranged in seven. It can be understood that the second wire pair 113 is set to seven, the quantity of the second wire pair 113 is moderate, the coating effect on the first wire pair 112 is good, the quantity of the second wire pair 113 is avoided to be too much, so that too many gaps are left between the plurality of second wire pairs 113 and the first wire pair 112, meanwhile, the quantity of the second wire pairs 113 is avoided to be too little, the first wire pair 112 cannot be coated, the structural stability of the wire group 110 is avoided to be influenced, and the large-pair cable 10 which is better in roundness and more stable in structure is favorably obtained.

Further, the wrapping tape 111 is a polypropylene wrapping tape. It should be noted that, the polypropylene material has the characteristics of no toxicity, no odor, small density and light weight, has good dielectric property and high-frequency insulation property, is not influenced by humidity, can be used in a poor working environment, has beautiful surface gloss and is favorable for coloring, polypropylene wrapping tapes with different colors are easy to obtain, the price is low, the polypropylene wrapping tapes are favorable for improving the quality of finished products of the large-pair cable 10, and the service life of the large-pair cable 10 is prolonged.

Further, referring to fig. 3, each of the first conductor lines 112a includes a third insulating layer 112c and a plurality of first conductive wire units 112d, the plurality of first conductive wire units 112d are twisted with each other, and the third insulating layer 112c covers the plurality of first conductive wire units 112 d. It should be noted that, by mutually twisting the plurality of first conductor single bodies 112d and then coating the first conductor single bodies with the third insulating layer 112c, the first conductor line 112a with a more stable structure and a better transmission effect can be obtained, which is beneficial to improving the information transmission effect of the large-pair cable 10.

Further, referring to fig. 4, each of the second conductor lines 113a includes a fourth insulating layer 113c and a plurality of second conductor single bodies 113d, the plurality of second conductor single bodies 113d are twisted with each other, and the fourth insulating layer 113c covers the plurality of second conductor single bodies 113 d. It should be noted that, by mutually twisting the plurality of second conductor single bodies 113d and then coating the second conductor single bodies with the fourth insulating layer 113c, the second conductor line 113a with a more stable structure and a better transmission effect can be obtained, which is beneficial to improving the information transmission effect of the large-pair cable 10.

Further, the large pair cable 10 further includes a plurality of first fillers disposed between the four wire groups 110, and the plurality of first fillers are used for filling gaps between the four wire groups 110. It should be noted that, because the four line groups 110 are all formed by the first line pairs 112 and the plurality of second line pairs 113, the four line groups 110 are in a circular line structure, gaps exist between the four line groups 110, and gaps existing between the four line groups 110 can be filled by setting the first filling member, so that the roundness and the structural stability of the large-pair cable 10 can be further improved, and the transmission effect of the large-pair cable 10 can be improved.

Further, the large pair cable 10 further includes a plurality of second fillers, which are disposed between the four wire groups 110 and the PET layer 210, and are used for filling gaps between the four wire groups 110 and the PET layer 210. It should be noted that, because the four line groups 110 are all formed by the first line pairs 112 and the plurality of second line pairs 113, the four line groups 110 are in a circular line structure, gaps exist between the four line groups 110 and the PET layer 210, and gaps existing between the four line groups 110 and the PET layer 210 can be filled by arranging the second filling member, so that the roundness and the structural stability of the large-pair cable 10 can be further improved, and the transmission effect of the large-pair cable 10 can be improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A large pair cable, comprising:

2. The large pair cable of claim 1, further comprising a tear line disposed in the outer jacket.

3. The multi-pair cable according to claim 1, wherein the first pair of wires comprises two first conductor wires twisted with each other and a first insulating layer covering the two first conductor wires.

4. The multi-pair cable according to claim 1, wherein each of the second wire pairs comprises two second conductor wires twisted with each other and a second insulating layer covering the two second conductor wires.

5. The large pair cable of claim 1, wherein the second pair of wires is arranged in seven.

6. The logarithmized cable according to claim 1, wherein the tape is a polypropylene tape.

7. The logarithmically twisted cable according to claim 3, wherein each of the first conductor lines includes a third insulating layer and a plurality of first conductor units, the plurality of first conductor units are twisted with each other, and the third insulating layer covers the plurality of first conductor units.

8. The logarithmically twisted cable according to claim 4, wherein each of the second conductor lines includes a fourth insulating layer and a plurality of second conductor units, the plurality of second conductor units are twisted with each other, and the fourth insulating layer covers the plurality of second conductor units.

9. The large pair cable of claim 1, further comprising a plurality of first filler members disposed between the four wire sets, the plurality of first filler members being configured to fill gaps between the four wire sets.

10. The large pair cable of claim 1, further comprising a plurality of second fillers disposed between the four wire sets and the PET layer, the plurality of second fillers filling gaps between the four wire sets and the PET layer.