CN210837287U - Automobile bus cable - Google Patents

Abstract

The utility model discloses an automobile bus cable, which belongs to the technical field of automobile cables and comprises a cable core formed by twisting at least 2 strand cores, a wrapping tape wrapped on the periphery of the cable core, a shielding layer wrapped on the periphery of the wrapping tape, and a sheath layer sleeved on the periphery of the shielding layer; the wire core comprises a conductor formed by twisting a plurality of soft copper wires, an insulating layer arranged on the periphery of the conductor in an extruding way and a semi-conductive plastic layer coated on the periphery of the insulating layer. The utility model provides a technical scheme can effectively eliminate the interference of outside electromagnetic interference signal to the cable through increasing the semi-conducting layer, and the cost that adopts the copper mesh to weave as the shielding layer traditional relatively is lower, the size is corresponding can be littleer, light, has effectively improved the quality of cable transmission signal, has avoided puzzlement or erroneous judgement at bus system in the use.

Description

Automobile bus cable

Technical Field

The utility model relates to an automotive cable technical field, in particular to automotive bus cable.

Background

The automobile bus cable is mainly applied to automation and communication of a field bus system, and can provide high-standard and accurate data transmission as an important intermediate link.

With the development of communication technology, the signal density and signals transmitted by the automobile bus cable are gradually increased, and higher requirements are also put forward on the quality of the automobile bus cable signal transmission. The existing automobile bus cable is sensitive to the external environment during signal transmission, is easily influenced by external interference signals, and seriously influences the quality of transmission signals.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automobile bus cable, can effectively eliminate the cable and disturb the not good problem of signal transmission quality that causes at the during operation signal.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides an automobile bus cable, which comprises a cable core formed by twisting at least 2 strand cores, a wrapping tape wrapped at the periphery of the cable core, a shielding layer wrapped at the periphery of the wrapping tape, and a sheath layer sleeved at the periphery of the shielding layer; the wire core comprises a conductor formed by twisting a plurality of soft copper wires, an insulating layer arranged on the periphery of the conductor in an extruding way and a semi-conductive plastic layer coated on the periphery of the insulating layer.

In one embodiment, the wrapping tape is an aluminum foil tape.

In one embodiment, the shielding layer is woven by annealed tinned copper wires.

In one embodiment, the weaving density of the annealed tinned copper wire is not less than 90%.

In one embodiment, the material of the sheath layer is the same as that of the insulating layer.

In one embodiment, the sheath layer and the insulating layer are both made of polyvinyl chloride material.

In one embodiment, the semiconductive plastic layer is made of a semiconductive ethylene-vinyl acetate copolymer.

In one embodiment, the semiconductive plastic layer is made of semiconductive polyethylene.

Compared with the prior art, the utility model provides a technical scheme has following advantage and beneficial effect: the utility model provides an automobile bus cable, including at least by 2 cable cores intertwisted cable core, around wrap in the cable core periphery around the band, cladding in the shielding layer around the band periphery, cover establish in the restrictive coating of shielding layer periphery; the wire core comprises a conductor formed by twisting a plurality of soft copper wires, an insulating layer arranged on the periphery of the conductor in an extruding way and a semi-conductive plastic layer coated on the periphery of the insulating layer. Through increasing the semi-conducting layer, can effectively eliminate the interference of outside electromagnetic interference signal to the cable, the cost that adopts the copper mesh to weave as the shielding layer than the tradition is lower, the size is corresponding can be littleer, weight is little, more light, has effectively improved the quality of cable transmission signal, has avoided puzzlement or erroneous judgement at bus system in the use.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic cross-sectional structure of an automotive bus cable according to an embodiment;

figure 2 is a schematic cross-sectional structure diagram of the cable core in the embodiment.

In the figure: 100-automotive bus cable; 101-a cable core; 1-a wire core; 2-wrapping a tape; 3-a shielding layer; 4-a sheath layer; 5-a conductor; 6-an insulating layer; 7-semiconductor plastic layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "left", "right", "front", "rear", 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," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "mounted" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in the figure, the utility model provides an automobile bus cable 100, including at least 2 sinle silk 101 (the sinle silk quantity of this embodiment is 2) intertwisted cable core 101, around wrap 2 in the cable core periphery, cladding in the shielding layer 3 in the wrap periphery, cover establish in the restrictive coating 4 in the shielding layer periphery; the cable core 1 comprises a conductor 5 formed by twisting a plurality of soft copper wires, an insulating layer 6 arranged on the periphery of the conductor in an extruding mode and a semi-conductive plastic layer 7 coated on the periphery of the insulating layer 6.

The cable core 1 is used for transmitting electronic signals; the wrapping tape 2 is used for fixing the cable core 1, so that strands of the cable core 1 are prevented from scattering; the shielding layer 3 is used for shielding external interference signals and preventing transmitted electronic signals from being interfered; the sheath layer 4 is used for protecting the internal structure of the cable from being damaged by external force.

In this embodiment, be the aluminium foil area around band 2 for sinle silk structure is compacter, effectively avoids appearing scurrying the core phenomenon in the cable use, increases cable life.

In this embodiment, shielding layer 3 is woven by annealing tinned copper wire and is formed, adopts the tinned copper wire, can effectively reduce the oxidation phenomenon, extension cable life, still can increase the pliability of cable simultaneously.

In this embodiment, the weaving density of the annealed tinned copper wire is not less than 90%, specifically, the shielding layer 3 of the braided mesh of the annealed tinned copper wire with the weaving density of 95% is adopted, so that the interference of external signals can be further reduced.

In this embodiment, the sheath layer 4 and the insulating layer are made of the same material, and the same material is sampled on the premise of meeting the performance requirement of the cable, so that the process cost and the material cost of cable production can be further reduced.

In this embodiment, the sheath layer 4 and the insulating layer are both made of polyvinyl chloride material, and polyvinyl chloride has good wear resistance and flame retardancy, and can prevent further expansion of fire.

In this embodiment, the semiconductive plastic layer 7 is made of a semiconductive ethylene-vinyl acetate copolymer, or a semiconductive polyethylene. The semi-conductive plastic layer 7 has the conductivity of metal and the flexibility of plastic, and can ensure the normal bending of the cable. Under the action of the semiconductor plastic, power plants in the wire core can be uniformly distributed, the electric field intensity is reduced, and the leakage of signals from the conductor to the outside of the cable can be effectively reduced; but also to avoid noise generated by mutual friction between signal conductors during movement or play of the cable.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. An automobile bus cable is characterized by comprising a cable core formed by twisting 2 stranded cable cores, a wrapping tape wrapped on the periphery of the cable core, a shielding layer wrapped on the periphery of the wrapping tape, and a sheath layer sleeved on the periphery of the shielding layer; the wire core comprises a conductor formed by twisting a plurality of soft copper wires, an insulating layer arranged on the periphery of the conductor in an extruding way and a semi-conductive plastic layer coated on the periphery of the insulating layer.

2. The automotive bus cable of claim 1, wherein the tape is aluminum foil tape.

3. The automotive bus cable of claim 2, wherein the shield layer is braided from annealed tin-plated copper wire.

4. The automotive bus cable of claim 3, wherein the annealed tinned copper wire braid density is not less than 90%.

5. The automotive bus cable of claim 4, wherein the jacket layer is the same material as the insulating layer.

6. The automotive bus cable of claim 5, wherein the jacket layer and the insulating layer are both made of a polyvinyl chloride material.

7. The automotive bus cable of claim 6, wherein the semi-conductive plastic layer is made of a semi-conductive ethylene vinyl acetate copolymer.

8. The automotive bus cable of claim 6, wherein the semi-conductive plastic layer is made of semi-conductive polyethylene.

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