CN218181915U - Single-stranded double-channel digital communication cable for ships - Google Patents

Abstract

The utility model discloses a naval vessel is with single strand multichannel digital communication cable, include the subunit cable core, block water the filler, block water the band outward, weave the shielding cover outward and hinder the sheath outward, the subunit cable core includes conductor, insulating cover, line pair partition frame, interior band block water, the bleeder line, shielding band, internal flame retardant first sheath, internal braided shielding cover and internal flame retardant second sheath, the extrusion cladding of insulating cover forms insulating sinle silk outside the conductor, two insulating sinle silk twists each other and forms a set of insulating pair twist group, the band winding cladding that blocks water in by line pair partition frame divided four groups is outside the insulating pair twist group, block water outside the band including shielding band winding cladding, the bleeder line sets up and blocks water between band and the shielding band, the extrusion cladding of internal flame retardant first sheath is outside the shielding band, can realize realizing that the two letter passageway lays, and then reduce installation cost of labor and lay the space.

Description

Single-stranded double-channel digital communication cable for ships

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of cable, especially a naval vessel is with sub-thread dual channel digital communication cable's technical field.

[ background of the invention ]

The communication cable refers to a cable for audio communication at a short distance and high frequency carrier, digital communication and signal transmission at a long distance, and is generally applied to intelligent buildings, data centers, 5G communication network centers and the like. With the improvement of the automation degree of modern ships, various network systems are applied to the ships more and more, so that the communication cables are distributed over the whole ship body just like human blood vessels and nerves, and the functions of signal control, communication contact and the like are carried out, so that the normal operation of the ships is ensured. However, the space on the ship is usually very limited, and the huge number of communication cables not only occupy a large amount of valuable space, but also need to be installed one by one, which is very troublesome. In addition, due to the special marine environment, the communication cable for ships has to make enough protection measures to ensure good flame retardance, anti-interference performance and waterproofness, so that the volume of the single communication cable is increased, the limited space of the ships is further occupied, and a solution is urgently needed.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, providing a naval vessel is with single-stranded subchannel digital communication cable, can realize realizing that the two letter passageways lay, and then reduce the installation cost of labor and lay the space, still have higher transmission nature, anti-electromagnetic interference and high fire-retardant and water blocking nature, very adapt to naval vessel environment.

In order to realize the above-mentioned purpose, the utility model provides a naval vessel is with single strand double channel digital communication cable, including subunit cable core, the filler that blocks water, the band that blocks water outward, weave the sheath outward and the sheath that blocks fire outward, the subunit cable core includes conductor, insulating cover, line pair spacing frame, interior band, leakage line, shielding band, interior fire-retardant first sheath, interior braided shield and interior fire-retardant second sheath, the extrusion cover cladding is outside the conductor and forms insulating sinle silk, two the insulating sinle silk twists each other and forms a set of insulating pair twist group, interior band that blocks water twines the cladding outside four groups of insulating pair twist groups separated by line pair spacing frame, the band that blocks water is wrapped including the shielding, the leakage line sets up between band and shielding band that blocks water, the extrusion cladding of interior fire-retardant first sheath is outside the shielding band, interior band that weaves the cladding is outside the first sheath that blocks water weaves the sheath, interior band that blocks water wraps the cladding is outside the flame-retardant second sheath that weaves, the two root winding cable cores that blocks water outside the filler that blocks water outside the package is outside the outer braided shield band that blocks water, the outer sheath that blocks water outside the braided shield the outer sheath that weaves the outer sheath that blocks water of the outer sheath.

Preferably, the conductor has a diameter of 0.4 to 0.8mm and an elongation of 24 to 26%.

Preferably, the thickness of the insulating sleeve is 0.1-0.5 mm, and the ellipticity of the insulating sleeve is less than or equal to 0.005mm.

Preferably, the diameter of the wire pair separation frame is 3-7 mm, and the thickness of the blade of the wire pair separation frame is 0.4-0.8 mm.

Preferably, the diameter of the flow leakage line is 0.3 to 0.7mm.

Preferably, the shielding tape is a single-side aluminum foil tape, the thickness of the single-side aluminum foil tape is more than or equal to 0.042mm, and the lap joint quantity of the single-side aluminum foil tape is more than or equal to 4mm.

Preferably, the inner flame-retardant first sheath and the inner flame-retardant second sheath are both low-smoke halogen-free flame-retardant polyolefin sheaths, and the thicknesses of the inner flame-retardant first sheath and the inner flame-retardant second sheath are both 0.35-0.75 mm.

Preferably, the inner braided shield sleeve is a tinned copper wire braided sleeve, the braiding density of the tinned copper wire braided sleeve is not less than 60%, and the diameter of a tinned copper wire of the tinned copper wire braided sleeve is 0.05-0.15 mm.

Preferably, the outer braided shield sleeve is a tinned copper wire braided sleeve, the braiding density of the tinned copper wire braided sleeve is more than or equal to 80%, and the diameter of the tinned copper wire braided sleeve is 0.05-0.15 mm.

Preferably, the outer flame-retardant sheath is a low-smoke halogen-free flame-retardant polyolefin sheath, the oxygen index of the outer flame-retardant sheath is not less than 41, and the thickness of the outer flame-retardant sheath is 0.5-0.9 mm.

The utility model has the advantages that:

the utility model mainly comprises two double-shielding super six cable subunits, not only can utilize two subunit cable cores to realize double-channel laying, thereby reducing the installation labor cost and laying space, but also has higher transmission, anti-electromagnetic interference, high flame retardance and water resistance, and is very suitable for the environment of ships; the cable can meet the requirement of radial water resistance by combining the water resistance filler and the outer water blocking belt; by combining the inner flame-retardant first sheath, the inner flame-retardant second sheath and the outer flame-retardant sheath, the multilayer high flame retardance can be realized, and the requirements of low-smoke low-toxicity class A bundled combustion can be met; through the combined use of the shielding wrapping tape, the inner braided shielding sleeve and the outer braided shielding sleeve, multiple reflection and absorption shielding functions are effectively exerted, the shielding effect of the cable is further enhanced, the transfer impedance of a shielding layer is ensured to meet the standard requirement, the cable has good anti-interference performance, the requirement of high-frequency transmission is met, the inner braided shielding sleeve and the outer braided shielding sleeve can also ensure that the transmission performance of the cable is still unchanged under the minimum bending condition under the condition of ensuring that the cable has higher anti-electromagnetic interference capacity, and meanwhile, the flow leakage line can also be matched to realize flow leakage.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic cross-sectional view of a single-stranded dual-channel digital communication cable for ships and warships according to the present invention;

fig. 2 is a schematic cross-sectional view of the subunit cable core of the single-stranded dual-channel digital communication cable for ships and warships of the utility model.

In the figure: 1-subunit cable core, 11-conductor, 12-insulating sleeve, 13-pair separation frame, 14-inner water-blocking tape, 15-current leakage line, 16-shielding tape, 17-inner flame-retardant first sheath, 18-inner braided shielding sleeve, 19-inner flame-retardant second sheath, 2-water-blocking filler, 3-outer water-blocking tape, 4-outer braided shielding sleeve and 5-outer flame-retardant sheath.

[ detailed description ] embodiments

Referring to fig. 1 and 2, the utility model relates to a naval vessel is with sub-unit two-channel digital communication cable, including subunit cable core 1, filler 2 that blocks water, outer water blocking package area 3, outer braided shield cover 4 and outer flame retardant sheath 5, subunit cable core 1 includes conductor 11, insulating sleeve 12, pair spacer 13, interior water blocking package area 14, earial drainage line 15, shielding package area 16, interior flame retardant first sheath 17, interior braided shield 18 and interior flame retardant second sheath 19, extrusion cladding of insulating sleeve 12 is outside conductor 11 and forms the insulated wire core, two the insulated wire core twists each other and forms a set of insulating pair twist group, interior water blocking package 14 twines outside four groups of insulating pair twist groups separated by pair spacer 13, shielding package area 14 is wrapped in the interior water blocking package area 16 outside, water blocking package area 15 sets up in water blocking package area 14 and shielding package 16, interior flame retardant first sheath 17 wraps outside shielding package 16, interior flame retardant shield 18 weaves the cladding outside fire retardant first flame retardant sheath 17, interior water blocking package area 19 sets up in the interior water blocking package area 14 and shielding package area and shielding package 16, extrusion cladding is outside the outer water blocking package 3, extrusion package area 3 is outside the outer braided shield package unit 3, extrusion package area 3, extrusion package unit 3 is woven outside the outer water blocking package unit 2, the outer water blocking package unit is weaved the outer water blocking package area 3, the outer water blocking package unit 2. In addition, the colors of 8 groups of insulated wire cores of each subunit cable core 1 are white (blue), white (orange), white (green), white (brown), blue, orange, green and brown respectively, 8 groups of insulated wire cores need to be twisted according to a certain regular color sequence, the pitch combination of 4 insulated twisted pairs (the twisting pitch is controlled within 70 +/-5 mm) is further optimized by adopting different wire group twisting pitches according to the principle that the pitch reciprocal difference gap is relatively large and the pitch balance joint principle, the paying-off tension of two single wires of the insulated twisted pairs needs to be adjusted in the production process, the stability and the uniformity of the paying-off tension of the two single wires of the insulated twisted pairs are guaranteed, and the structural symmetry performance of the insulated twisted pairs is better.

The diameter of the conductor 11 is 0.57mm, and the elongation of the conductor 11 is 24-26%. The conductor 11 is a soft round copper conductor.

The thickness of the insulating sleeve 12 is 0.31 +/-0.02 mm, and the ellipticity of the insulating sleeve 12 is less than or equal to 0.005mm. Wherein, the insulation eccentricity of the insulation sleeve 12 reaches more than 98 percent.

The diameter of the line pair separation frame 13 is 5mm, and the blade thickness of the line pair separation frame 13 is 0.6mm.

The diameter of the flow leakage line 15 is 0.5mm.

The shielding wrapping tape 16 is a single-side aluminum foil tape, the thickness of the single-side aluminum foil tape is more than or equal to 0.042mm, and the lap joint quantity of the single-side aluminum foil tape is more than or equal to 4mm. Wherein, the single-side aluminum foil strip is longitudinally coated.

The inner flame-retardant first sheath 17 and the inner flame-retardant second sheath 19 are both low-smoke halogen-free flame-retardant polyolefin sleeves, and the thicknesses of the inner flame-retardant first sheath 17 and the inner flame-retardant second sheath 19 are both 0.55mm.

The inner braided shielding sleeve 18 is a tinned copper wire braided sleeve, the braiding density of the tinned copper wire braided sleeve is not less than 60%, and the diameter of a tinned copper wire of the tinned copper wire braided sleeve is 0.1mm. Wherein, the number of the tinned copper wires of the tinned copper wire braided sleeve is 128.

The outer braided shielding sleeve 4 is a tinned copper wire braided sleeve, the braiding density of the tinned copper wire braided sleeve is more than or equal to 80%, and the diameter of a tinned copper wire of the tinned copper wire braided sleeve is 0.1mm. Wherein, the number of the tinned copper wires of the tinned copper wire braided sleeve is 240.

The outer flame-retardant jacket 5 is a low-smoke halogen-free flame-retardant polyolefin jacket, the oxygen index of the outer flame-retardant jacket 5 is not less than 41, and the thickness of the outer flame-retardant jacket 5 is 0.7mm.

The inner water-blocking tape 14, the shielding tape 16 and the outer water-blocking tape 3 are all wrapped by automatic tape placing machines, and the tape placing tension is consistent and uniform, and the defects of wrinkles, scratches and the like are not required.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (10)

1. The utility model provides a naval vessel is with single strand dual channel digital communication cable which characterized in that: including subunit cable core (1), filler (2) that blocks water, outer water blocking bag area (3), outer braided shield (4) and outer flame retardant sheath (5), subunit cable core (1) includes conductor (11), insulating cover (12), line pair partition frame (13), interior water blocking bag area (14), bleeder line (15), shielding band (16), interior flame retardant first sheath (17), interior braided shield (18) and interior flame retardant second sheath (19), insulating cover (12) extrusion cladding is outside conductor (11) and forms the insulated wire core, two the insulated wire core twists each other and forms a set of insulating pair twist group, interior water blocking bag (14) winding cladding is outside four groups of insulating pair twist groups separated by line pair partition frame (13), shielding band (16) winding cladding is outside band (14), bleeder line (15) sets up between water blocking bag (14) and shielding band (16), interior flame retardant first sheath (17) extrusion cladding is outside shielding band (18) the flame retardant sheath (18) winding cladding is outside flame retardant sheath (18), the outer braided shield of two root wrapping sheath (18) winding cladding is in inner extrusion cladding and is at the second sheath (19), the water-blocking packing (2) is filled between the subunit cable core (1) and the outer water-blocking tape (3), the outer braided shielding sleeve (4) is braided and coated outside the outer water-blocking tape (3), and the outer flame-retardant sheath (5) is extruded and coated outside the outer braided shielding sleeve (4).

2. The single-strand, dual-channel digital communication cable for ships of claim 1, wherein: the diameter of the conductor (11) is 0.4-0.8 mm, and the elongation of the conductor (11) is 24-26%.

3. The marine single-strand dual-channel digital communication cable of claim 1, wherein: the thickness of the insulating sleeve (12) is 0.1-0.5 mm, and the ovality of the insulating sleeve (12) is less than or equal to 0.005mm.

4. The single-strand, dual-channel digital communication cable for ships of claim 1, wherein: the diameter of the line pair separation frame (13) is 3-7 mm, and the thickness of the blade of the line pair separation frame (13) is 0.4-0.8 mm.

5. The marine single-strand dual-channel digital communication cable of claim 1, wherein: the diameter of the flow leakage line (15) is 0.3-0.7 mm.

6. The marine single-strand dual-channel digital communication cable of claim 1, wherein: the shielding tape (16) is a single-side aluminum foil tape, the thickness of the single-side aluminum foil tape is more than or equal to 0.042mm, and the lap joint quantity of the single-side aluminum foil tape is more than or equal to 4mm.

7. The marine single-strand dual-channel digital communication cable of claim 1, wherein: the inner flame-retardant first sheath (17) and the inner flame-retardant second sheath (19) are low-smoke halogen-free flame-retardant polyolefin sleeves, and the thicknesses of the inner flame-retardant first sheath (17) and the inner flame-retardant second sheath (19) are both 0.35-0.75 mm.

8. The single-strand, dual-channel digital communication cable for ships of claim 1, wherein: the inner braided shielding sleeve (18) is a tinned copper wire braided sleeve, the braiding density of the tinned copper wire braided sleeve is more than or equal to 60%, and the diameter of a tinned copper wire of the tinned copper wire braided sleeve is 0.05-0.15 mm.

9. The single-strand, dual-channel digital communication cable for ships of claim 1, wherein: the outer braided shielding sleeve (4) is a tinned copper wire braided sleeve, the braiding density of the tinned copper wire braided sleeve is more than or equal to 80%, and the diameter of a tinned copper wire of the tinned copper wire braided sleeve is 0.05-0.15 mm.

10. The single-strand, dual-channel digital communication cable for ships of claim 1, wherein: the outer flame-retardant jacket (5) is a low-smoke halogen-free flame-retardant polyolefin jacket, the oxygen index of the outer flame-retardant jacket (5) is not less than 41, and the thickness of the outer flame-retardant jacket (5) is 0.5-0.9 mm.

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