CN216793379U - Small-size communication cable for ships - Google Patents

Abstract

The utility model relates to a small-volume communication cable for ships, which sequentially comprises an outer protective layer, a wrapping layer, an outer shielding layer and a plurality of cable cores from outside to inside; the cable core sequentially comprises a conductor, an insulating layer, a twisted pair layer, a shielding layer and a cabling layer from inside to outside; a plurality of through holes are uniformly distributed on the cabling layer. The ship small-volume communication cable bundles a communication cable core into a plurality of strands in a wire sleeve consisting of the outer protective layer, the wrapping layer and the outer shielding layer, so that the communication cable is compact in size and smaller in occupied space, the cabling layer of the cable core is provided with the through holes, the materials of the through holes are reduced, a yielding space is provided for flexible wiring of the communication cable, and the flexibility of cable arrangement is improved.

Description

Small-size communication cable for ships

Technical Field

The utility model relates to the field of wires and cables, in particular to a small-volume communication cable for ships.

Background

With the development of science and technology in China, cable enterprises also tend to develop and develop ship cables with the subjects of environmental protection, low smoke, low toxicity and flame retardance. In the aspect of shipbuilding, the speed is high, the quantity of weaponry equipment is large, intelligent automation equipment is more, and the quantity of communication cables for ships increases in geometric grade. However, space on the ship is at a premium and the vast number of communication cables and other cables can take up a significant amount of space. In addition, because of the special environment of the ocean, the communication cable for the ship needs enough protection measures, so that the single volume of the communication cable is larger, and the limited space of the ship is further occupied. Moreover, for a communication cable with a compact structure, the flexibility is insufficient, which is not beneficial to the curved laying of the communication cable.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a small volume communication cable for ships that addresses at least one of the problems mentioned above.

The small-volume communication cable for the ships comprises an outer protective layer, a wrapping layer, an outer shielding layer and a plurality of cable cores from outside to inside in sequence;

the cable core sequentially comprises a conductor, an insulating layer, a twisted pair layer and a shielding layer from inside to outside; and a plurality of through holes are uniformly distributed on the twisted layer.

In one embodiment, the through hole is a circular hole, and the ratio of the diameter of the through hole to the diameter of the cable core is 1/3-1.

In one embodiment, oval through holes are distributed on the wrapping layer and the insulating layer.

In one embodiment, the major diameter of the elliptical through hole is in the same direction as the axial direction of the cable core.

In one embodiment, the thickness of the insulating layer is 0.08-0.12 mm.

In one embodiment, the conductor is formed by stranding a plurality of tinned copper wire bundles with the monofilament diameter of 0.06 mm.

In one embodiment, the method further comprises filling lines, wherein the filling lines are arranged between the conductor and the insulating layer.

In one embodiment, the filler wire is a kevlar wire.

The technical scheme provided by the embodiment of the utility model has the following beneficial technical effects:

the ship small-volume communication cable provided by the utility model bundles the communication cable core into a plurality of strands in the wire sleeve consisting of the outer protective layer, the wrapping layer and the outer shielding layer, so that the communication cable is compact in volume and smaller in occupied space, and the twisted-pair layer of the cable core is provided with the through holes, so that the material reduction of the through holes is utilized, a yielding space is provided for flexible wiring of the communication cable, and the flexibility of cable arrangement is improved.

Additional aspects and advantages of the present invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a small-volume communication cable for a ship in an embodiment of the present invention;

FIG. 2 is a schematic plan view of a section of the cable core according to an embodiment of the present invention;

fig. 3 is a schematic perspective structure diagram of a section of the cable core in an embodiment of the present invention.

Description of reference numerals:

100-an outer protective layer, 200-a lapping layer, 300-an outer shielding layer, 400-a plurality of cable cores and 500-filling wires; 410-conductor, 420-insulating layer, 430-twisted pair, 440-shielding layer, 431-via.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Possible embodiments of the utility model are given in the figures. The utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein by the accompanying drawings. The embodiments described by way of example with reference to the figures are intended to provide a more complete understanding of the disclosure of the present invention and are not to be construed as limiting the utility model. In addition, if a detailed description of known technologies is not necessary for the features of the present invention shown, such technical details may be omitted.

It will be understood by those skilled in the relevant art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It is to be understood that the term "and/or" as used herein is intended to include all or any and all combinations of one or more of the associated listed items.

The technical solution of the present invention and how to solve the above technical problems will be described in detail with specific examples.

The small-volume communication cable for ships and warships, as shown in fig. 1, comprises an outer protective layer 100, a wrapping layer 200, an outer shielding layer 300 and a plurality of cable cores 400 from outside to inside in sequence. The cable core 400 comprises a conductor 410, an insulating layer 420, a twisted pair layer 430 and a shielding layer 440 from inside to outside in sequence. As shown in fig. 2, a plurality of through holes 431 are uniformly distributed on the twisted pair layer 430. By providing the through hole 431 in the twisted pair layer 430, a material missing region is provided in the communication cable in advance, and the communication cable can be curved well when bent. In the production of twisted pair layer 430, the formed twisted pair layer 430 may be subjected to laser drilling, or a die provided on cable core 400 may be used to avoid the region of through-hole 431 and to eliminate the formation of twisted pair layer 430 in the region of through-hole 431. The through hole 431 is formed in the twisted pair layer 430, so that the structure of other cable cores 400 is not damaged.

The ship small-volume communication cable bundles the communication cable core 400 into a plurality of strands in the wire sleeve consisting of the outer protective layer 100, the wrapping layer 200 and the outer shielding layer 300, so that the communication cable is compact in volume and smaller in occupied space, the twisted pair layer 430 of the cable core 400 is provided with the through hole 431, the material of the through hole 431 is reduced, an abdicating space is provided for flexible wiring of the communication cable, and the flexibility of cable arrangement is improved.

Optionally, the through hole 431 is a circular hole, and the ratio of the diameter of the through hole 431 to the diameter of the cable core 400 is 1/3-1. Elliptical holes may also be used.

Optionally, as shown in fig. 3, oval through holes 431 are distributed on the wrapping layer 200, the insulating layer 420 and the twisted pair layer 430. The elliptical through holes 431 are formed in the structures, so that a deformable structure can be formed better, and the small-volume communication cable for ships can be conveniently routed in a curve manner. Optionally, the major axis of the elliptical through hole 431 is in the same direction as the axial direction of the cable core 400.

Optionally, in an embodiment of the present application, the thickness of the insulating layer 420 is 0.08 to 0.12 mm. The halogen-free low-smoke thin-wall high-insulation resistance radiation insulation material can be selected specifically, the thickness of the insulation layer 420 is limited to about 0.1mm, and the communication cable can be effectively guaranteed to have a small size.

Optionally, the conductor 410 is formed by twisting a plurality of tinned copper wire bundles with a monofilament diameter of 0.06 mm. In addition, a plurality of fine tinned copper wires in the conductor 410 are stranded and then stranded into the conductor 410, the stranding pitch is controlled to be 4-6 times, a ceramic nano-polycrystalline die is adopted as the stranding die, the size of the die is smaller than 0.80 time of the designed outer diameter of the conductor 410, the friction force generated by the ceramic nano-polycrystalline die and the stranded wires in the stranding process is almost zero, the conductor 410 is compacted due to the reasonable design of the pitch of the conductor 410, the tensile property and the bending property of the conductor 410 are improved, and the outer diameter of the conductor 410 is 1/4 times smaller than the outer diameter of other cable conductors 410 due to the design of the structure of the conductor 410 and the pressing die.

Optionally, as shown in fig. 1, in an embodiment of the present application, a fill line 500 is further included, and the fill line 500 is disposed between the conductor 410 and the insulating layer 420. Optionally, the filling line 500 is a kevlar line. The high tensile property, the high temperature resistance and the flexible filling property of the Kevlar drawn wire are adopted, the tensile property and the flexibility of the cable can be improved, and the cable still has good toughness when the bending radius is smaller than 4 times of the outer diameter in a narrow space.

The wrapping layer 200 is wrapped by ceramic silicon rubber wrapping tapes, and the wrapping and covering rate is more than 40%; the ceramic silicon rubber wrapping tape has flexibility, stretchability and fire resistance, and when a cable encounters a fire hazard, the wrapping layer 200 can be crystallized into a protective insulated wire core with a good armor body, so that the insulated wire core is normally electrified for more than 90 minutes under the flame of 900 ℃.

The outer shielding layer 300 is braided and shielded by high-tensile and anti-corrosion fine tinned copper wires, the braiding density is larger than 90%, the interference of an external magnetic field on data and signals is effectively shielded, and the shielding layer 440 can also be used as a drainage wire or a ground wire to ensure that an instrument and a meter play a role in safety protection under high-current impact.

The wrapping layer 200 is formed by wrapping a high-elasticity, halogen-free, low-smoke, flexible and ultrathin special material strip, and the wrapping covering rate is more than 10%. The covering 200 can prevent the braided shield wire from puncturing the sheath to cause the sheath to be punctured, prevent the braided shield and the sheath from adhesion and being difficult to peel to bring difficulty for installation and electrification, and prevent the braided layer from loosening to cause uneven thickness of the outer diameter of the cable when the sheath is extruded. The outer jacket 100 is the protection casing of the small-volume communication cable for ships and warships of this application, specifically by resistant 125 ℃ high temperature, prevent salt fog, mould proof, damp and hot proof, resistant sea water, resistant mineral oil, resistant extremely cold, acid and alkali-resistance do not have the low sheath of halogen and crowd the package and constitute through electron accelerator irradiation crosslinking.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is only a few embodiments of the present application and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present application, and that these improvements and modifications should also be considered as the protection scope of the present application.

Claims (8)

1. A small-volume communication cable for ships is characterized by sequentially comprising an outer protective layer, a wrapping layer, an outer shielding layer and a plurality of cable cores from outside to inside;

the cable core sequentially comprises a conductor, an insulating layer, a twisted pair layer and a shielding layer from inside to outside; and a plurality of through holes are uniformly distributed on the twisted layer.

2. The small-volume communication cable for ships and warships of claim 1, wherein the through hole is a circular hole, and the ratio of the diameter of the through hole to the diameter of the cable core is 1/3-1.

3. The ship small-volume communication cable according to claim 1, wherein elliptical through holes are distributed on both the wrapping layer and the insulating layer.

4. The ship small-volume communication cable according to claim 3, wherein the major diameter of the oval through hole is in the same direction as the axial direction of the cable core.

5. The ship small-volume communication cable according to claim 1, wherein the insulating layer has a thickness of 0.08-0.12 mm.

6. The ship small volume communication cable according to claim 1, wherein the conductor is stranded with a plurality of tinned copper strands having a monofilament diameter of 0.06 mm.

7. The low volume communication cable for ships according to claim 1, further comprising a filler wire disposed between the conductor and the insulating layer.

8. The low volume communication cable for ships and warships of claim 7, wherein said filler wire is a Kevlar wire.

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