CN202008848U

CN202008848U - Combination cable for transmitting signals and data

Info

Publication number: CN202008848U
Application number: CN2011201038629U
Authority: CN
Inventors: 张岩; 尤满明
Original assignee: TIANJIN YIXINTONG TECHNOLOGY Co Ltd
Current assignee: TIANJIN YIXINTONG TECHNOLOGY Co Ltd
Priority date: 2011-04-11
Filing date: 2011-04-11
Publication date: 2011-10-12
Anticipated expiration: 2021-04-11

Abstract

The utility model relates to a combination cable for transmitting signals and data. The combination cable comprises a cable core, a wrapping tape, a drain wire, a shielding layer and a sheath, wherein the cable core consists of a data transmission line pair and a signal line pair, and the wrapping tape, the drain wire, the shielding layer and the sheath are sequentially arranged on the exterior of the cable core. The combination cable is characterized by further comprising a foaming wrapping tape, wherein the foaming wrapping tape is used for wrapping the exterior of the data transmission line pair. The combination cable has the effects that the comprehensive performance of transmission can be largely improved, and transmission index of resistance 120 omega can be met, so that the attenuation during data transmission can be reduced; an insulated wire core and a foaming tape form an air combination structure, therefore, the distance between the air combination structure and the shielding layer distance is increased, and the anti-jamming capability is improved; the design of the whole structure is compact, and the degree of integration is high; and the machining and the manufacturing are easy, and the control of the integrated structure of the cable becomes simple and feasible.

Description

Signal and transfer of data combination cable

Technical field

The utility model relates to a kind of cable, and particularly a kind of office automatic place is used for the signal and the transfer of data combination cable of signal and transfer of data requirement.

Background technology

Raising along with world today's office automatic degree, comprehensive wiring highlights important. inner cable distribution is proposed more and more higher requirement, the miniaturization of cable, integrated, anti-flammability, shielding are good, low temperature resistant, transfer of data effect etc. constantly is required, cause the totally different difference of form of combination cable.Designing the novel direct cable that requires of user that meets arises at the historic moment.In the market little logarithm 120 Ω data-signal cables are owing to require the overall structure size little, transmission performance indicators still requires to reach the high level that improves preceding 120 Ω, makes that conventional foamed insulation structure can not fine solution size and a pair of contradiction taken into account of transmission performance.

Summary of the invention

In view of present cable uses the requirement of aspect, market and the deficiency that prior art exists, the utility model provides a kind of signal and transfer of data combination cable; This cable is used for improving distance between transmission line pair and external shield, increases impedance and reaches the purpose that data cable uses.

The utility model for achieving the above object, the technical scheme that is adopted is: a kind of signal and transfer of data combination cable, comprise by data line, holding wire the cable core that constitutes and the twining package tape that outside cable core, is provided with successively, drain wire, screen, sheath, it is characterized in that: also comprise the foaming twining package tape, described foaming twining package tape is wrapped external at data line.

The effect that the utility model produces is: 1, the data line transfer impedance is up to 120 Ω: extrude the double-deck combination of polyethylene foamed and real core thin-walled polyethylene simultaneously and constitute core as insulating barrier outside the single conductor of data line centering, the foaming twining package tape will be twined behind two core pair twists, above structure can be improved the transmission combination property greatly, satisfy the transmission objective of impedance 1 20 Ω, time decay is little thereby make transfer of data.2, shield effectiveness is good: the external wrapped one deck foaming twining package tape structure of data line, and make insulated wire cores and foaming band constitute the air combining structure, strengthened and the shielding interfloor distance, improved antijamming capability.3, integrated height: adopted two kinds of core combining forms, made the overall construction design compactness, integrated height.4, be easy to processing and manufacturing: adopted foaming twining package tape structure to make the insulated wire cores foam degrees reduce relatively, reach the foaming requirement easily, the consumption that the debugging of minimizing core manufacture process causes is excessive, and the processing difficulty or ease of other part of cable are same as common product fully, make the whole cable structure control become simple naturally so the foaming core is made the back easily.

Description of drawings

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

Embodiment

As shown in Figure 1, signal and transfer of data combination cable, comprise by data line to 1, holding wire is to 2 cables core that constitute and the twining package tape 4 that is provided with successively outside cable core, drain wire 5, screen 6, sheath 7, also comprise foaming twining package tape 3, foaming twining package tape 3 wrapped data line to 1 outside.

The utility model can obtain by following technical process manufacturing: once extrude the double-deck combination of polyethylene foamed and real core thin-walled polyethylene simultaneously at the zinc-plated stranded inner wire 1-1 external application cable extrusion foaming equipment of multiply and constitute core as insulating barrier 1-2, with two cores of color separation in strand on the pair twister to wrapped foaming twining package tape 3 on the wrapped equipment of special use then; The signal core is on stranding machine the tin-coated copper conductor to be twisted into multiply core 2-1, closely coats one deck PVC insulating barrier 2-2 at its external application plastic extruder and constitutes, and is on pair twister that two core strands are standby to the back then.With the wrapped data line of finishing to 1 and stranded good holding wire to 2 strandings on cabler together, be close to its outer wrapped one deck polyester film twining package tape 4 behind the stranding, directly put 5 one of the zinc-plated drain wires of multiply outside twining package tape 4, drain wire 5 machines on the conductor stranding machine in advance.Outside twining package tape 4 and drain wire 5 with the two-sided compound aluminium-plastic tape screen 6 of the wrapped one deck of machine.Be close to outside the screen 6 and extrude one deck cable jacket 7.Oversheath 7 is made of low temperature resistant fire-retardant uvioresistant PVC material, guarantees the environment and the mechanical performance of cable.

Claims

1. signal and transfer of data combination cable, comprise cable core that (1), holding wire is constituted (2) by data line and the twining package tape (4) that outside cable core, is provided with successively, drain wire (5), screen (6), sheath (7), it is characterized in that: also comprise the foaming twining package tape (3), described foaming twining package tape (3) wrapped data line to (1) outside.