CN218886850U

CN218886850U - Multicore shielding multiunit high frequency transmission flat elevator communication cable

Info

Publication number: CN218886850U
Application number: CN202223385362.6U
Authority: CN
Inventors: 杨鑫; 李洋; 崔洋; 任小宇; 于瑾岩
Original assignee: Shanghai Nanyang Fujikura Cable Co ltd
Current assignee: Shanghai Nanyang Fujikura Cable Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-18
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to a multicore shielding multiunit high frequency transmission flat elevator communication cable, include: the cable comprises a plurality of horizontally arranged cable core units and an outer sheath wrapping the cable core units; the wire core unit comprises a middle core wire; a plurality of conductors; and a plurality of insulation layers respectively wrapping each conductor to form a plurality of wire cores; each wire core is stranded into a cable around the central wire, and the outside of the cable is wrapped with a shielding layer; the outer part of the shielding layer is wrapped with an inner sheath. The method not only meets the application of multimedia, but also can effectively reduce the interference of surrounding magnetic fields, has excellent high-frequency anti-interference performance and ensures the normal operation of communication performance.

Description

Multicore shielding multiunit high frequency transmission flat elevator communication cable

Technical Field

The utility model relates to a multicore shielding multiunit high frequency transmission flat elevator communication cable.

Background

In the era of rapid development of various information, additional functions in modern elevator systems are more and more, wherein the functional requirements of multimedia are very large, so that the functional requirements on elevator traveling cables are increased. A large amount of advertisements and various kinds of propaganda information need to be put in the elevator, the requirements on audio and video are high, and the smoothness and the anti-interference performance of the multimedia are ensured while the operation definition of the multimedia is ensured. The shielded twisted pair communication units in conventional cables have been unable to meet various performance specifications.

Therefore, the multicore shielding multi-group unit high-frequency transmission flat elevator communication cable is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome current defect and the flat elevator communication cable of multicore shielding multiunit high frequency transmission that provides satisfies multimedia application promptly, can effectively reduce the interference in magnetic field on every side again, and high frequency anti-interference performance is superior, guarantees the normal function of communication performance.

The technical scheme for realizing the purpose is as follows:

a multi-core shielding multi-group unit high-frequency transmission flat elevator communication cable comprises: the cable comprises a plurality of horizontally arranged cable core units and an outer sheath wrapping the cable core units;

the core unit includes:

a center wire;

a plurality of conductors; and

a plurality of insulating layers respectively wrapping each conductor to form a plurality of wire cores;

each wire core is stranded into a cable around the central wire, and the outside of the cable is wrapped with a shielding layer;

the outer part of the shielding layer is wrapped with an inner sheath.

Preferably, the conductor is a copper wire.

Preferably, the core pitch diameter ratio is less than or equal to 15; and a plurality of the wire cores are stranded into a cable.

Preferably, the number of wire cores may be 4, 5 or 6.

Preferably, the shielding layer is made of copper wire.

The utility model has the advantages that:

1) The conductor adopts a copper wire structure, so that the high flexibility and the high heat dissipation performance are realized; the insulating layer is made of high-temperature-resistant and oil-resistant materials, so that the insulating resistance and the tensile strength performance are improved;

2) The shielding layer is made of copper wires, the weaving density reaches 90% of coverage rate, the attenuation is reduced, and the shielding layer has good flexibility and bending life;

3) The inner sheath is made of high-density composite materials, so that the functionality of the shielding layer can be effectively protected, and the integrity of the communication unit is ensured;

4) The outer sheath is made of high-flame-retardant and oil-resistant materials, has bending resistance and cracking resistance, and can adapt to various severe environments;

5) The structure can improve the stability of the communication function of the elevator cable, greatly expand the applicability of the communication function, support the high and low frequency use of various communication devices, reduce the use failure rate by having stronger anti-interference performance and excellent transmission performance, and also have reliable bending resistance and oil resistance, thereby prolonging the service life of the cable.

Drawings

Fig. 1 is a schematic diagram of the present invention.

In the figure: 1. a conductor; 2. an insulating layer; 3. a shielding layer; 4. an inner sheath; 5. an outer sheath; 6. and a middle core wire.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, the multi-core shielding multi-group unit high-frequency transmission flat elevator communication cable of the utility model comprises a plurality of horizontally arranged core units, wherein each core unit comprises a plurality of conductors 1 and a middle core wire 6, and the conductors 1 are copper wires and have higher flexibility and heat dissipation; the insulating layers 2 respectively wrap the conductors to form a plurality of wire cores, and the insulating layers 2 are made of high-temperature-resistant and oil-resistant materials, so that the insulating resistance and the tensile strength performance are improved; the pitch diameter ratio of the wire cores is less than or equal to 15, a plurality of wire cores are stranded into a cable, and the number of the wire cores can be 4, 5 or 6; the shielding layer 3 wraps the insulating layers 2 at the same time, the shielding layer 3 is made of copper wires, the weaving density reaches 90% of coverage rate, the attenuation is reduced, the flexibility and the bending life are good, the stability of communication transmission can be met, the current-carrying capacity is increased, the loss is reduced, the fluency of high-frequency transmission can be ensured, the electromagnetic interference from the outside can be effectively resisted, and the electromagnetic leakage of the unit is blocked; the inner sheath 4 wraps the shielding layer 3, and the inner sheath 4 is made of a high-density composite material, so that the functionality of the shielding layer can be effectively protected, and the integrity of the communication unit is ensured; the core unit can meet the diversity of communication functions and can be applied to various audio, video and card swiping equipment; oversheath 5 wraps up a plurality of sinle silk units simultaneously, and oversheath 5 adopts high fire-retardant resistant oil material, has bending resistant and anti-cracking performance, adaptable various adverse circumstances.

Therefore, the structure can improve the stability of the communication function of the elevator cable, greatly expand the applicability of the communication function, support the high-frequency and low-frequency use of various communication devices, reduce the use failure rate and have reliable bending resistance and oil resistance besides stronger anti-interference performance and excellent transmission performance, and prolong the service life of the cable.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a flat elevator communication cable of multiunit high frequency transmission of multicore shielding which characterized in that includes: the cable comprises a plurality of horizontally arranged cable core units and an outer sheath (5) wrapping the cable core units;

the core unit includes:

a center wire (6);

a plurality of conductors (1); and

a plurality of insulating layers (2) respectively wrapping each conductor (1) to form a plurality of wire cores;

each wire core is stranded into a cable around the central core (6), and the outside of the cable is wrapped with a shielding layer (3);

the outer part of the shielding layer (3) is wrapped with an inner sheath (4).

2. The multi-core shielding multi-unit high-frequency transmission flat elevator communication cable according to claim 1, wherein the conductor (1) is copper wire.

3. The multi-core shielding multi-unit high-frequency transmission flat elevator communication cable according to claim 1, wherein the core pitch diameter ratio is less than or equal to 15; and a plurality of the wire cores are stranded into a cable.

4. The multiple-core shielded multiple-unit high-frequency transmission flat elevator communication cable as claimed in claim 3, wherein the number of the cores is 4, 5 or 6.

5. The multi-core shielding multi-unit high-frequency transmission flat elevator communication cable according to claim 1, wherein the shielding layer (3) is made of copper wire.