CN211237752U - A flat composite cable structure - Google Patents

Abstract

The utility model relates to the technical field of communication, in particular to a flat composite cable structure, which comprises a sheath made of Mylar, a plurality of groups of first signal transmission lines which are transversely connected in parallel and at least two groups of second signal transmission lines which are transversely connected in parallel; any one group of first signal transmission lines comprises a plurality of core wire groups, a ground wire, an aluminum foil shielding layer and a Mylar protective layer; any group of second signal transmission lines comprises at least three transverse parallel connection electronic lines; the at least two groups of second signal transmission lines are transversely arranged in parallel in the plurality of groups of first signal transmission lines, and at least four groups of first signal transmission lines are arranged between two adjacent groups of second signal transmission lines at intervals; the utility model provides a multilayer protective layer adopts the wheat to draw as the material, replaces traditional PVC, and TPE is insulating by outward, reduces low in manufacturing cost for the cable has advantages such as high temperature resistant, dimensionally stable, not only prolongs the life of cable, can also guarantee transmission speed's stability betterly.

Description

A flat composite cable structure

technical field

The utility model relates to the technical field of communication, in particular to a flat composite cable structure.

Background technique

The structure of the conventional cable includes the outer skin, shielding layer, insulating layer and conductors which are coaxially covered in sequence from the outside to the inside; when in use, the high-frequency signal is transmitted through the conductor of the coaxial cable, and the signal current is concentrated on the surface of the conductor to flow through . Therefore, the performance of the conductor surface material directly determines the transmission performance of the cable. In the existing market, round cables are mostly used, but the round cables have a small bending range, take up a large space, and have a high cost.

Therefore, it is necessary to provide a technical means to solve the above-mentioned defects.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and provide a flat cable to solve the problems that the round cable has a smaller bending range and a larger space.

The utility model is realized in this way:

The embodiment of the present utility model provides a flat composite cable structure, comprising an outer sheath, several sets of first signal transmission lines connected in parallel laterally, and at least two sets of second signal transmission lines connected in parallel laterally;

the outer skin surrounds and coats the plurality of sets of first signal transmission lines connected in parallel laterally and the at least two sets of second signal transmission lines connected in parallel laterally;

Any group of the first signal transmission lines includes:

A core wire group, the core wire group is provided with at least two core wires arranged laterally side by side; any one of the core wires in the core wire group includes a first conductor wire and a covering wire arranged in sequence from the inside to the outside. the first insulating layer of the first conductor wire;

ground wires, the ground wires are provided with at least two, and the at least two ground wires are respectively arranged on both sides of the core wire group;

an aluminum foil shielding layer; the aluminum foil shielding layer surrounds and wraps the core wire group and the ground wire;

Mylar protective layer; the Mylar protective layer surrounds and wraps the aluminum foil shielding layer;

Any group of the second signal transmission lines includes:

Electronic wires, the electronic wires are provided with at least three, and the at least three electronic wires are connected horizontally and side by side; any one of the at least three electronic wires includes a second conductor wire and a cladding wire arranged in sequence from the inside to the outside. the second insulating layer of the second conductor wire.

Preferably, the at least two groups of the second signal transmission lines are laterally arranged between the several groups of the first signal transmission lines, and at least four groups of the first signal transmission lines are spaced between adjacent two groups of the second signal transmission lines. a signal transmission line.

Preferably, the aluminum foil shielding layer is in contact with the ground wire and the surface of the first insulating layer of each core wire in the core wire group.

Preferably, the conductive surface of the aluminum foil shielding layer is inward.

Preferably, the outer skin is in contact with the Mylar protective layer.

Preferably, the outer skin is made of Mylar protective layer.

The technical effect of the flat composite cable structure of the present invention is as follows:

1. In this application, at least two groups of second signal transmission lines are connected in parallel with several groups of first signal transmission lines. The core wire groups in each group of first signal transmission lines are connected in parallel with each other. The wire and the ground wire are connected laterally to each other to form a flat ribbon structure. Under the condition of the same number of core wires, the bending radius is smaller than that of the round cable, which prolongs the service life, omits the filler to fill the support, and reduces the manufacturing cost. ;

2. In this application, the thickness of the cross-section of the cable body is 0.95mm, and the width of the cross-section is 19.2mm, which reduces the occupation rate of the height space and is more convenient to use.

3. The outer skin is made of Mylar, which replaces the traditional PVC and TPE insulating outer quilt, which reduces the manufacturing cost and makes the cable have high temperature resistance and stable size, which not only prolongs the service life of the cable, but also better guarantees the transmission speed. stability.

Description of drawings

Figure 1: a schematic diagram of the overall structure of a flat composite cable structure of the present invention;

Figure 2: a schematic structural diagram of a first signal transmission line in a flat composite cable structure of the present invention;

FIG. 3 is a schematic structural diagram of an electronic wire in a flat composite cable structure of the present invention.

Drawing designation

10-first signal transmission line, 20-second signal transmission line, 21-electronic wire, 30-skin, 201-second insulating layer, 202-second conductor wire, 11-first insulating layer, 12-first conductor wire , 13-aluminum foil shielding, 14-ground wire, 15-core wire, 16-mylar protective layer.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed 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.

Please refer to FIG. 1, combined with FIG. 2 and FIG. 3, which is an embodiment provided by the present invention, and a flat composite cable structure in this embodiment is used for data information transmission of electronic products. This embodiment One of the flat composite cable structures includes an outer sheath 30, several groups of first signal transmission lines 10 connected in parallel laterally, and at least two sets of second signal transmission lines 20 connected in parallel laterally. The following is a description of a flat composite cable structure. Each component is further explained:

The outer skin 30 surrounds and covers several groups of the first signal transmission lines 10 connected in parallel in the lateral direction and at least two groups of the second signal transmission lines 20 connected in parallel in the transverse direction;

As shown in FIG. 2 , any group of first signal transmission lines 10 among several groups of first signal transmission lines 10 connected in parallel in horizontal direction includes:

A core wire group, in this embodiment, the core wire group is configured to transmit data or signals, and the core wire group is provided with at least two laterally juxtaposed core wires 15; any core wire 15 in the core wire group includes The first conductor wires 12 and the first insulating layer 11 covering the first conductor wires 12 are arranged in order to the outside;

Ground wires 14, there are at least two ground wires 14, and the at least two ground wires 14 are respectively arranged on both sides of the core wire group; it can be seen that at least two ground wires are arranged laterally side by side on both sides of the core wire group. Any ground wire 14 in the wires 14; wherein, the ground wire 1414 is a copper wire or a tinned copper wire, and the grounding is reliable.

an aluminum foil shield 13, the aluminum foil shield 13 surrounds and wraps the core wire group and the ground wire 14;

Mylar protective layer 16, the Mylar protective layer 16 surrounds and wraps 13 layers of aluminum foil shielding;

Any one group of second signal transmission lines 20 in the two groups of second signal transmission lines 20 includes:

The electronic wire 21, as shown in FIG. 3, is provided with at least three electronic wires, and the at least three electronic wires are connected in parallel horizontally; any electronic wire 21 of the at least three electronic wires includes a second conductor wire 202 arranged in sequence from the inside to the outside. and the second insulating layer 201 covering the second conductor wire 202 .

Further, as shown in FIG. 1 , at least two groups of second signal transmission lines 20 are laterally arranged between several groups of first signal transmission lines 10 , and at least four groups of second signal transmission lines 20 are spaced between adjacent groups of second signal transmission lines 20 . The first signal transmission line 10 . Improves the speed of signal transmission.

Further, the aluminum foil shielding layer 13 is in contact with the ground wire 14 and the surface of the first insulating layer 11 of each core wire 15 in the core wire group.

Further, the conductive surface of the aluminum foil shielding layer 13 is inward, therefore, the two ground wires 14 contact the conductive layer of the aluminum foil shielding layer 13 at the same time, so that the two ground wires 14 are relatively stable.

Further, the outer skin 30 is in contact with the Mylar protective layer 16 .

Further, the outer skin 30 is made of the Mylar protective layer 16 as a material.

In the present application, at least two groups of second signal transmission lines 20 are connected in parallel with several groups of first signal transmission lines 10. The core wire 15 and the ground wire 14 are laterally connected to each other to form a flat ribbon structure. When the number of core wires is the same, the bending radius is smaller than that of the round cable, which prolongs the service life and omits the filler to fill the support. , reduce manufacturing costs.

In addition, the 13 layers of aluminum foil shielding surround the core wire group to form a metal shield to prevent the signal transmitted by the core wire group from being disturbed. In addition, the outer skin 30 is made of Mylar, which replaces the traditional PVC and TPE insulating outer quilt, which reduces the manufacturing cost and is low. Multiple protective layers made of Mylar are provided, so that the cable has high temperature resistance and stable size, not only extending the cable. The service life can also better ensure the stability of the transmission speed.

The above descriptions are only the preferred embodiments of the present invention, and its structures are not limited to the shapes listed above. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall include within the protection scope of the present invention.

Claims (6)

1. A flat composite cable structure, characterized in that it comprises an outer skin, several groups of first signal transmission lines connected in parallel laterally, and at least two sets of second signal transmission lines connected in parallel laterally; the outer skin surrounds and coats the plurality of sets of first signal transmission lines connected in parallel laterally and the at least two sets of second signal transmission lines connected in parallel laterally; Any group of the first signal transmission lines includes: A core wire group, the core wire group is provided with at least two core wires arranged laterally side by side; any one of the core wires in the core wire group includes a first conductor wire and a covering wire arranged in sequence from the inside to the outside. the first insulating layer of the first conductor wire; ground wires, the ground wires are provided with at least two, and the at least two ground wires are respectively arranged on both sides of the core wire group; an aluminum foil shielding layer; the aluminum foil shielding layer surrounds and wraps the core wire group and the ground wire; Mylar protective layer; the Mylar protective layer surrounds and wraps the aluminum foil shielding layer; Any group of the second signal transmission lines includes: Electronic wires, the electronic wires are provided with at least three, and the at least three electronic wires are connected horizontally and side by side; any one of the at least three electronic wires includes a second conductor wire and a cladding wire arranged in sequence from the inside to the outside. the second insulating layer of the second conductor wire. 2 . The flat composite cable structure according to claim 1 , wherein the second signal transmission lines are laterally arranged between the several groups of the first signal transmission lines, and two adjacent groups of the second signal transmission lines are arranged horizontally. 3 . At least four groups of the first signal transmission lines are arranged at intervals between the transmission lines. 3. The flat composite cable structure according to claim 1 or 2, wherein the aluminum foil shielding layer is in contact with the ground wire and the surface of the first insulating layer. 4. The flat composite cable structure according to claim 3, wherein the conductive surface of the aluminum foil shielding layer is inward. 5. The flat composite cable structure according to claim 1 or 2, wherein the outer sheath is in contact with the Mylar protection layer. 6 . The flat composite cable structure according to claim 5 , wherein the outer skin is made of Mylar protective layer. 7 .

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