CN215496154U

CN215496154U - Anti-electromagnetic pulse super-six-type network cable

Info

Publication number: CN215496154U
Application number: CN202122314431.3U
Authority: CN
Inventors: 潘磊
Original assignee: Hunan Valin Wire and Cable Co Ltd
Current assignee: Hunan Valin Wire and Cable Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-11
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an electromagnetic pulse resistant super-six-type network cable which comprises an outer sheath and a plurality of twisted-pair unit groups, wherein the twisted-pair unit groups are arranged in the outer sheath, each twisted-pair unit group comprises two twisted-pair cable cores, each cable core comprises a conductor and a foamed polyethylene layer coated on the conductor, and the two cable cores in different twisted-pair unit groups are twisted by different pitches. The pair-twisting unit groups are formed by pairwise twisting the wire cores of the anti-electromagnetic pulse super-six-type network cable, so that the electrical property is qualified, the loss is reduced, the gap between the pair-twisting unit groups with different pitches can be filled when the cable is formed, the outer diameter is reduced, and the crosstalk is reduced.

Description

Anti-electromagnetic pulse super-six-type network cable

Technical Field

The utility model relates to the field of network cables, in particular to an electromagnetic pulse resistant super-six-type network cable.

Background

The super-six types of network cables usually use shielding layers made of one or more materials such as aluminum-plastic composite tapes, bare copper wires, tinned copper wires, aluminum tapes and copper tapes, and the shielding layers have certain anti-interference shielding effects, but cannot ensure that stable transmission of data signals can be continuously maintained in complex environments such as strong electromagnetism.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an anti-electromagnetic pulse super-six-class network cable, aiming at solving the technical problem.

In order to achieve the purpose, the electromagnetic pulse resistant super-six-type network cable provided by the utility model comprises an outer sheath and a plurality of twisted-pair unit groups which are arranged in the outer sheath, wherein each twisted-pair unit group comprises two twisted-pair wire cores, each wire core comprises a conductor and a foamed polyethylene layer coated on the conductor, and the two wire cores in different twisted-pair unit groups are twisted by different pitches.

In one embodiment, the set of twisted pairs is externally wrapped with a microporous F4 membrane.

In one embodiment, the electromagnetic pulse resistant super-six types of mesh wires further comprise an aluminum-plastic composite tape, the aluminum-plastic composite tape is located inside the outer sheath and outside the aluminum-plastic composite tapes, and the wrapping repetition rate of the aluminum-plastic composite tape is not less than 30%.

In one embodiment, the electromagnetic pulse resistant super-six-category mesh wire further comprises a tinned braid, the tinned braid is located between the aluminum-plastic composite belt and the outer sheath, and the braiding density of the tinned braid is not less than 80%.

In one embodiment, the electromagnetic pulse resistant super six-category mesh wire further comprises an alloy wire braid, the alloy wire braid is located between the tin plating braid and the outer sheath, and the braiding density of the alloy wire braid is not less than 85%.

In an embodiment, the anti-electromagnetic pulse super-six-type network cable further comprises a blocking member, and the blocking member is arranged between the pair-twisting unit groups to block.

In one embodiment, the blocking member comprises a plurality of blocking plates which are uniformly arranged at intervals along the circumferential direction, an isolation space is formed between every two adjacent blocking plates, and at least one pair twisting unit group is arranged in the isolation space.

According to the technical scheme, the electromagnetic pulse resistant super-six-type network cable comprises an outer sheath and a plurality of twisted-pair unit groups which are arranged in the outer sheath, each twisted-pair unit group comprises two twisted-pair wire cores, each wire core comprises a conductor and a foamed polyethylene layer coated on the conductor, and the two wire cores in different twisted-pair unit groups are twisted by different pitches. In the technical scheme, the wire cores are twisted pairwise to form a pair-twisting unit group, so that the electrical performance is guaranteed to be qualified, the loss is reduced, the pair-twisting unit groups with different pitches can fill the gap between the opposite sides when cabling is carried out, the outer diameter is reduced, and the crosstalk is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an electromagnetic pulse resistant super-six-category network cable according to an embodiment of the present invention.

The reference numbers illustrate: 10. an outer sheath; 20. a pair twisting unit group; 21. a wire core; 211. a conductor; 212. a foamed polyethylene layer; 30. microporous F4 membranes; 40. an aluminum-plastic composite tape; 50. a tinning braid layer; 60. a blocking member; 61. a barrier plate.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides an electromagnetic pulse resistant super-six-category network cable.

As shown in fig. 1, the ultra-six types of electromagnetic pulse resistant network cables provided by the embodiment of the present invention include an outer sheath 10 and a plurality of twisted-pair unit sets 20 all disposed in the outer sheath 10, where the twisted-pair unit set 20 includes two twisted-pair cable cores 21, each cable core 21 includes a conductor 211 and a foamed polyethylene layer 212 coated on the conductor 211, and the two cable cores 21 in different twisted-pair unit sets 20 are twisted at different pitches.

In this embodiment, the electromagnetic pulse resistant super-six types of network cables include an outer sheath 10 and a plurality of twisted pair unit sets 20 all disposed in the outer sheath 10, each twisted pair unit set 20 includes two twisted pair cores 21, each core 21 includes a conductor 211 and a foamed polyethylene layer 212 coated on the conductor 211, and different two cores 21 in each twisted pair unit set 20 are twisted at different pitches. In the technical scheme, the wire cores 21 are twisted pairwise to form the pair-twisting unit group 20, so that the electrical performance is qualified, the loss is reduced, the gaps between the pair-twisting units 20 with different pitches can be filled when the cables are formed, the outer diameter is reduced, and the crosstalk is reduced. The exterior of the pair twisting unit group 20 is coated with a microporous F4 film 30

In addition, the electromagnetic pulse resistant ultra-six types of mesh wires further comprise an aluminum-plastic composite tape 40, the aluminum-plastic composite tape 40 is located inside the outer sheath 10 and outside the aluminum-plastic composite tapes 40, and the wrapping repetition rate of the aluminum-plastic composite tape 40 is not less than 30%. The electromagnetic pulse resistant super-six-type network cable further comprises a tinned braid 50, wherein the tinned braid 50 is located between the aluminum-plastic composite belt 40 and the outer sheath 10, and the braiding density of the tinned braid 50 is not less than 80%. The electromagnetic pulse resistant super-six-category mesh wire further comprises an alloy wire braided layer, wherein the alloy wire braided layer is located between the tinning braided layer 50 and the outer sheath 10, and the braiding density of the alloy wire braided layer is not less than 85%. Therefore, stable data signal transmission can be ensured even under the condition of strong electromagnetic field interference of 50kV/m and the frequency spectrum range not greater than 100 MHz.

The outer sheath 10 is made of TPV elastomer, so that the cable is good in flexibility and can be guaranteed to be flexible and easy to wire.

In addition, in an embodiment, the anti-electromagnetic pulse super-six types of mesh wires further include a blocking member 60, the blocking member 60 is disposed between the plurality of twisted pair unit groups 20 to block, the blocking member 60 includes a plurality of blocking plates 61 uniformly arranged at intervals along a circumferential direction, an isolation space is formed between two adjacent blocking plates 61, and at least one twisted pair unit group 20 is disposed in the isolation space. In this embodiment, the blocking member 60 is provided to block the pair of twisted unit sets 20, so that signal collision among the plurality of pair of twisted unit sets 20 can be effectively prevented, and the signal transmission stability can be improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a super six types of net twines of anti-electromagnetic pulse, its characterized in that, super six types of net twines of anti-electromagnetic pulse include the oversheath and all set up a plurality of pair twist unit groups in the oversheath, pair twist unit group includes the sinle silk of two pair twists, the sinle silk includes the conductor and the cladding is in foamed polyethylene layer on the conductor, it is different two in the pair twist unit group the sinle silk takes different pitch transposition.

2. The super six types of net twines of anti-electromagnetic pulse of claim 1, wherein, the antitwisting unit group is externally wrapped with micropore F4 membrane.

3. The electromagnetic pulse resistant ultra-six types of mesh wires according to claim 2, further comprising an aluminum-plastic composite tape, wherein the aluminum-plastic composite tape is located inside the outer sheath and outside the aluminum-plastic composite tape, and the wrapping repetition rate of the aluminum-plastic composite tape is not less than 30%.

4. The super six-category electromagnetic pulse resistance mesh wire according to claim 3, further comprising a tin-plated braid, wherein the tin-plated braid is located between the aluminum-plastic composite tape and the outer sheath, and the braiding density of the tin-plated braid is not less than 80%.

5. The super six types of electromagnetic pulse resistance mesh wire according to claim 4, further comprising an alloy wire braid, wherein the alloy wire braid is located between the tin plating braid and the outer sheath, and the braid density of the alloy wire braid is not less than 85%.

6. The super six category electromagnetic pulse resistance mesh wire of claim 1, further comprising a blocking member disposed between the plurality of twisted pair unit groups to block.

7. The electromagnetic pulse resistant super-six kinds of net wires according to claim 6, wherein the blocking member comprises a plurality of blocking plates uniformly spaced along the circumferential direction, an isolation space is formed between two adjacent blocking plates, and at least one twisted pair unit group is arranged in the isolation space.