CN203850019U

CN203850019U - Shielding cable

Info

Publication number: CN203850019U
Application number: CN201420234690.2U
Authority: CN
Inventors: 霍柱东; 欧子生; 熊国军
Original assignee: Shenzhen Deren Electronic Co Ltd
Current assignee: Shenzhen Deren Electronic Co Ltd
Priority date: 2014-05-08
Filing date: 2014-05-08
Publication date: 2014-09-24
Anticipated expiration: 2024-05-08

Abstract

The utility model discloses a shielding cable which comprises a shielding layer and at least one conductor group. The conductor group comprises at least two elongated conductors which extend from one end of the cable to the other end and are spaced apart, and an insulator which wraps at least two elongated conductors. The shielding layer comprises a first metal layer and a second metal layer, wherein the first metal layer and the second metal layer extend from one end of the cable to the other end. The first metal layer and the second metal layer are arranged on opposite sides of the cable. The conductor group is fixed between the first metal layer and the second metal layer. The first metal layer and the second metal layer are jointed in the conductor group to form a fit part. According to the shielding cable of the structure, large scale production can be carried out; the preparation ability of an end joint end part is great; and the shielding cable has the advantages of stable quality, great flexibility, great shielding and greatly improved property, and has a very high application value.

Description

Shielded cable

Technical field

The utility model relates to a kind of shielded cable of the high-speed transfer signal of telecommunication.

Background technology

Existing cable is generally coaxial cable or shielded cable.Coaxial cable generally include by insulator around electric wire, wire rod and insulator conductively-closed part around, and wire rod, insulator and shielding part by sheath around.Shielded cable generally include one or more screens that for example formed by metal forming around insulating signal conductor.

Existing cable all needs to use specially designed end joint connector, be unsuitable for using the sub-closed-end technology of multiterminal, multiple conductors are connected to each contact element simultaneously, although developed the cable that contributes to the sub-closed-end technology of these multiterminal, but these cables being restricted aspect its large-scale production ability, its terminated end preparative capacibility, its flexibility and electrical property thereof, have improved space conventionally.

Utility model content

For the shielded cable that overcomes prior art is in restricted deficiency aspect its large-scale production ability, its terminated end preparative capacibility, its flexibility and electrical property thereof, the utility model provides a kind of shielded cable.

The utility model solves the technical scheme that its technical problem adopts:

Shielded cable, comprises screen and at least one conductor group.

At least one conductor group, each described conductor group comprises that at least two one end from described cable extend to the other end and spaced slender conductor, and the insulator of at least two slender conductors described in parcel; Screen comprises the first metal layer and the second metal level that extend to the other end from one end of described cable, described the first metal layer and described the second metal level are arranged on the opposite side of described cable, described conductor group is covered by between the first metal layer and the second metal level, and described the first metal layer and described the second metal level engage and form sticking part between conductor group.

Further, also comprise at least one gnd conductor, described gnd conductor is fixed between the first metal layer and the second metal level, be arranged in parallel with described conductor group, extends to the other end from one end of described cable.

Further, in order to reach good earthing effect, described gnd conductor directly contacts with the second metal level with the first metal layer.

Preferably, described cable, comprises two conductor groups, two gnd conductors, and screen.

Two conductor groups, each described conductor group comprises that two one end from described cable extend to the other end and spaced slender conductor, and wraps up the insulator of described two slender conductors; Two gnd conductors, are separately positioned on the outside of two conductor groups, be arranged in parallel with conductor group, extend to the other end from one end of described cable; Screen, comprise the first metal layer and the second metal level that extend to the other end from one end of described cable, described the first metal layer and described the second metal level are arranged on the opposite side of described cable, wherein said conductor group and described gnd conductor are covered by between the first metal layer and the second metal level, and described the first metal layer and described the second metal level engage and form sticking part between two conductor groups.

Further, described conductor group is carry high frequency differential signal conductors group.

Further, described insulator is extrusion molding insulator.

Further, gluing or punching press is fixed together by PUR for described the first metal layer and described the second metal level.

Preferably, described the first metal layer and described the second metal level are foil shielding layer.

Further, described cable is flat-ribbon cable.

The beneficial effects of the utility model are: adopt the shielded cable of this structure, can produce on a large scale, its terminated end preparative capacibility is better, stay in grade, and flexible good, shielding is better, has greatly improved its electrical property, has high using value.

Brief description of the drawings

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is structural representation of the present utility model;

Fig. 2 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model;

Fig. 3 is vertical view of the present utility model;

Fig. 4 is the cutaway view of the utility model decomposing state;

Fig. 5 is cutaway view of the present utility model.

Embodiment

Referring to figs. 1 through Fig. 5, shielded cable of the present utility model, is flat belt-like, comprises 1, two gnd conductor 2 of two conductor groups, and screen 3.

Two conductor groups 1, for carry high frequency differential signal, each described conductor group 1 comprises that two one end from described cable extend to the slender conductor 11 of the other end and a spaced segment distance, and wrapping up the low-density insulator 12 of described two slender conductors 11 by one extrusion molding, slender conductor 11 is parallel to each other, two gnd conductors 2, for ground connection, are separately positioned on the outside of two conductor groups 1, be arranged in parallel with conductor group 1, extend to the other end from one end of described cable, screen 3, for foil shielding layer, comprise the first metal layer 31 and the second metal level 32 that extend to the other end from one end of described cable, described the first metal layer 31 and described the second metal level 32 are arranged on the opposite side of described cable, wherein said conductor group 1 and described gnd conductor 2 are wrapped by and are fixed between the first metal layer 31 and the second metal level 32, described the first metal layer 31 and described the second metal level 32 make both fluid-tight engagement form sticking part 33 by PUR adhesion process or Sheet Metal Forming Technology between two conductor groups 1 together, sticking part 33 can play ground connection effect equally.

In order to reach good earthing effect, described gnd conductor 2 directly contacts with the second metal level 32 with the first metal layer 31.

In order to improve the quality of shielded cable, the uniform filling of described low-density insulator 12 profilings is between described the first metal layer 31 and described the second metal level 32, thereby make shielded cable structure more balanced, and ensure the reliable of insulation property, in the course of processing, the first metal layer 31 and the second metal level 32 are engaged while compressing, and insulator 12 also produces deformation, thereby makes its compact conformation firm.

Certainly, the utility model, except above-mentioned execution mode, can also have other structural distortion, and these equivalent technical solutions also should be within its protection range.

Claims

1. a shielded cable, is characterized in that, comprising:

At least one conductor group (1), each described conductor group (1) comprises that at least two one end from described cable extend to the other end and spaced slender conductor (11), and the insulator (12) of at least two slender conductors (11) described in parcel;

Screen (3), comprise the first metal layer (31) and the second metal level (32) that extend to the other end from one end of described cable, described the first metal layer (31) and described the second metal level (32) are arranged on the opposite side of described cable, described conductor group (1) is covered by between the first metal layer (31) and the second metal level (32), and described the first metal layer (31) and described the second metal level (32) engage and form sticking part (33) between conductor group (1).

2. shielded cable according to claim 1, it is characterized in that: also comprise at least one gnd conductor (2), described gnd conductor (2) is fixed between the first metal layer (31) and the second metal level (32), be arranged in parallel with described conductor group (1), extend to the other end from one end of described cable.

3. shielded cable according to claim 2, is characterized in that: described gnd conductor (2) directly contacts with the second metal level (32) with the first metal layer (31).

4. shielded cable according to claim 3, is characterized in that: described cable comprises:

Two conductor groups (1), each described conductor group (1) comprises that two one end from described cable extend to the other end and spaced slender conductor (11), and wraps up the insulator (12) of described two slender conductors (11);

Two gnd conductors (2), are separately positioned on the outside of two conductor groups (1), be arranged in parallel with conductor group (1), extend to the other end from one end of described cable;

Screen (3), comprise the first metal layer (31) and the second metal level (32) that extend to the other end from one end of described cable, described the first metal layer (31) and described the second metal level (32) are arranged on the opposite side of described cable, wherein said conductor group (1) and described gnd conductor (2) are covered by between the first metal layer (31) and the second metal level (32), and described the first metal layer (31) and described the second metal level (32) engage and form sticking part (33) between two conductor groups (1).

5. according to the shielded cable described in any one in claim 1-4, it is characterized in that: described conductor group (1) is carry high frequency differential signal conductors group.

6. according to the shielded cable described in any one in claim 1-4, it is characterized in that: described insulator (12) is extrusion molding insulator.

7. according to the shielded cable described in any one in claim 1-4, it is characterized in that: gluing or punching press is fixed together by PUR for described the first metal layer (31) and described the second metal level (32).

8. according to the shielded cable described in any one in claim 1-4, it is characterized in that: described the first metal layer (31) and described the second metal level (32) are foil shielding layer.

9. according to the shielded cable described in any one in claim 1-4, it is characterized in that: described cable is flat-ribbon cable.