Data wire for radio and television

Abstract

The utility model provides a data wire for radio and television, which comprises an outer sheath, a reinforcing sheath sleeved in the outer sheath, a cross-linked silicone rubber sheath sleeved in the reinforcing sheath, and a high-frequency data transmission twisted pair, a power distribution wire core and an air cooling pipe wrapped in the cross-linked silicone rubber sheath. The data wire for radio and television is applied to digital communication of civil radio and television, aerospace, offshore platforms and warfare ships and modern information communication of data link operation, and can provide a working power supply for electrical equipment while transmitting high-frequency data signals, video signals and monitoring signals; and reliable communication can be provided for users of high-flow high-definition high-frequency band special equipment in an extreme temperature environment.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the high frequency high definition big flow data information communication and equipment control network transmission wire material field of civilian television broadcast, warship and offshore platform etc., specifically relates to a data wire for broadcast television. BACKGROUND

[0002] The existing communication data cable usually adopts optical fiber cable, super six categories and seven categories data network line as high frequency communication cable.However, the outer sheath and insulation of optical fiber cable and high frequency data network cable adopt polyolefin material.Civilian television broadcast relay station is often built on high mountain, high humidity, low temperature.The control cable installation part of the heating element such as engine, generator of equipment such as warship is not only faced with complex high humidity, high salt content and other corrosive environment, and the working temperature can reach above 200 DEG C.The ordinary polyolefin insulation and outer sheath material can be melted instantly.The existing optical fiber cable has high installation requirement, especially the joint part.In the static wiring occasion, the optical fiber product has obvious advantages such as large flow, long service life and stable signal.However, in the mobile equipment, the optical fiber product has the defects such as limited bending radius due to light signal refraction requirement, obvious signal attenuation caused by color dispersion due to slight misalignment of joint, which become the technical problems difficult to solve in practical application.At present, the most advanced seven categories data network line adopts line pair balance technology, channel independent shielding technology and strong electromagnetic interference braided shielding technology, so that the data transmission capacity reaches 1000 MHZ, and the flow reaches above 10 GB.However, due to material and structure limitation, the product cannot adapt to the severe working environment of high humidity, below minus 40 DEG C and above zero 200 DEG C, and becomes the dangerous source of failure of expensive television broadcast, warship and other equipment at any time. UTILITY MODEL CONTENTS

[0003] In view of this, the utility model aims at providing a data wire for broadcast television, which can overcome the above problems or at least partially solve or alleviate the above problems.

[0004] The utility model provides a data wire for broadcast television, which comprises an outer sheath, a reinforcing sheath is sleeved in the outer sheath, and a crosslinked silicone rubber sheath is sleeved in the reinforcing sheath; the crosslinked silicone rubber sheath is wrapped with high frequency data transmission twisted pair wire, power distribution wire core and spring steel air cooling pipe.

[0005] The utility model also has the following optional features.

[0006] Optionally, the outer sheath adopts glass fiber braided outer sheath.

[0007] Optionally, the reinforcing sheath adopts aramid fiber sheath.

[0008] Optionally, the high-frequency data transmission twisted pair includes multiple stranded silver-plated copper conductors, each of which is covered with a cold-resistant cross-linked silicone rubber insulation layer, and the cold-resistant cross-linked silicone rubber insulation layer is wrapped with an aluminum foil shielding layer.

[0009] Optionally, the power distribution conductor includes a silver-plated copper conductor, the silver-plated copper conductor is covered with a temperature-resistant cross-linked silicone rubber insulation layer, and the temperature-resistant cross-linked silicone rubber insulation layer is covered with a graphite-coated shielding layer.

[0010] Optionally, the air-cooled pipe is a steel spring tube.

[0011] The beneficial effects of this utility model are:

[0012] This utility model's data cable for broadcasting and television possesses excellent weather and corrosion resistance, as well as excellent repeated bending strength and mechanical strength. It is suitable for the operational needs of ships traversing oceans and polar regions, can withstand the high water pressure of deep-sea wiring for seabed exploration instruments, and can accompany aerospace equipment in the complex temperature environment of outer space. Its structure is stable; installation is convenient; it has good wear resistance, impact resistance, and tear resistance; it is weather-resistant, ozone-resistant, and UV-resistant; it has good acid and alkali resistance, is oil-resistant and resistant to salt-containing liquids; it is resistant to low temperatures, coolants, and lubricants; its transmission frequency band is high, reaching the latest international data communication cable product design level; the communication signal is clear, and the flow rate is large, suitable for the construction of data links for aerospace equipment, naval operations, and other tasks; it has large-area resistance to mineral oil and animal fats; and it is halogen-free and flame-retardant, producing no corrosive gases. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the cross-sectional structure of the data cable for broadcasting and television according to this utility model;

[0014] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure of the twisted pair for high-frequency data transmission;

[0015] Figure 3 yes Figure 1 A schematic diagram of the cross-sectional structure of the power distribution cable core.

[0016] In the above diagram: 1. High-frequency data transmission twisted pair; 101. Stranded silver-plated copper conductor; 102. Cold-resistant cross-linked silicone rubber insulation layer; 103. Aluminum foil shielding layer; 2. Power distribution core; 201. Silver-plated copper conductor; 202. Temperature-resistant cross-linked silicone rubber insulation layer; 203. Graphite-coated shielding layer; 3. Air-cooled tube; 4. Cross-linked silicone rubber sheath; 5. Reinforcing sheath; 6. Fiberglass outer sheath.

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments; DETAILED DESCRIPTION

[0018] With reference Figure 1 The utility model discloses an embodiment provides a data wire for broadcast television, comprising: outer sheath 6, the outer sheath 6 is equipped with the reinforcing sheath 5 in the sleeve, the reinforcing sheath 5 is equipped with the cross -linked silicone rubber sheath 4 in the sleeve, the cross -linked silicone rubber sheath 4 is wrapped with high -frequency data transmission pair -twisted wire 1, power distribution wire core 2 and air -cooled pipe 3.

[0019] As Figure 1 Shown, two high -frequency data transmission pair -twisted wire 1 and three power distribution wire core 2 and two air -cooled pipe 3 transverse interval arrangement, wherein two air -cooled pipe 3 are adjacent to three power distribution wire core 2, and the user is cooled to power distribution wire core 2, and high -frequency data transmission pair -twisted wire 1, power distribution wire core 2 and air -cooled pipe 3 are wrapped with cross -linked silicone rubber sheath 4, and cross -linked silicone rubber sheath 4 is wrapped with reinforcing sheath 5, and reinforcing sheath 5 is equipped with outer sheath 6 in the sleeve.

[0020] High -frequency data transmission pair -twisted wire 1, power distribution wire core 2 facilitate modular installation, reduce cost, save maintenance time, and also have powerful signal transmission function, and can also provide working current for low -power electric appliance. Cross -linked silicone rubber sheath 4 is cold -resistant corrosion -resistant cross -linked silicone rubber sleeve, has low electromagnetic loss, higher tensile strength, good corrosion resistance and temperature resistance. The maximum applicable temperature range of cold -resistant corrosion -resistant cross -linked silicone rubber sleeve is -120 DEG C to 350 DEG C, and is widely used in polar exploration equipment. Reinforcing sheath 5 is used for enhancing cable strength and cable heat preservation. Outer sheath 6 is woven with double -layer high -flexibility high -strength glass fiber with good chemical corrosion resistance, excellent electrical performance and good flexibility. The type of material is commonly used in the sheath of ship, avionics product. The material guarantees that the product can be used for a long time in the range of -80 DEG C to 300 DEG C, and can be temporarily applied in the working environment of -120 DEG C to 350 DEG C.

[0021] With reference Figure 1 According to an embodiment of the utility model, the outer sheath 6 is woven with flexible glass fiber.

[0022] Outer sheath 6 is woven with double -layer high -flexibility high -strength glass fiber with good chemical corrosion resistance, excellent electrical performance and good flexibility. The type of material is commonly used in the sheath of ship, avionics product. The material guarantees that the product can be used for a long time in the range of -80 DEG C to 300 DEG C, and can be temporarily applied in the working environment of -120 DEG C to 350 DEG C.

[0023] The outer sheath 6 adopts a flexible glass fiber woven outer sheath, which is a key component for ensuring the stable product structure, and adopts soft glass fiber woven silk as the material to weave an outer sheath with a density of not less than 95% on the outer layer of the cable. Different specifications of the cable can have stable product structures, and the weaving thickness of the flexible glass fiber woven outer sheath is increased by 0.5 mm for every 10 cm increase in the product circumference. The thickness of the flexible glass fiber woven outer sheath is adjusted mainly by the following two methods: 1. selecting different numbers of flexible glass fiber silk to weave an outer sheath with different thicknesses; and 2. selecting the same number of flexible glass fiber silk to weave an outer sheath with the same thickness, and increasing or decreasing the number of weaving layers to achieve the required thickness of the outer sheath.

[0024] With reference to Figure 1 According to an embodiment of the present application, the reinforcing sheath 5 adopts an aramid fiber sheath.

[0025] The reinforcing sheath 5 is made of aramid fiber weaving, and the aramid fiber has excellent properties such as temperature resistance, flame resistance and high strength, which plays a role in enhancing the strength of the cable and the heat preservation of the cable.

[0026] With reference to Figure 1 And Figure 2 According to an embodiment of the present application, the high-frequency data transmission twisted pair wire 1 comprises a plurality of twisted silver-plated copper conductors 101, and each twisted silver-plated copper conductor 101 is sleeved with a cold-resistant crosslinked silicone rubber insulation layer 102, and the cold-resistant crosslinked silicone rubber insulation layer 102 is wrapped with an aluminum foil shielding layer 103.

[0027] The high-frequency data transmission twisted pair wire 1 adopts a twisted pair, a twisted pair and a cabling process, adopts a matching pitch and a perfect untwisting process, the twisted pair pitch is designed to cleverly avoid electromagnetic resonance effect according to the signal wavelength, such as blue / white blue: 7.3 mm; orange / white orange: 9.7 mm; green / white green: 11.3 mm; brown / white brown: 13.7 mm; the cabling pitch is 80-85 mm, so that the product can maintain good information transmission effect in the high frequency band, and the key indicators such as crosstalk, attenuation and impedance are controlled within the design range; the twisted silver-plated copper conductor 101 adopts a twisted annealed silver-plated copper conductor, which has high softness, can be finely twisted, and has good roundness and smoothness on the surface. The cold-resistant crosslinked silicone rubber insulation layer 102 outside the twisted silver-plated copper conductor 101 adopts a cold-resistant crosslinked silicone rubber material to ensure that the internal wire core is not damaged by the water body when in contact with the water body. The cold-resistant crosslinked silicone rubber insulation layer 102 adopts a halogen-free flame-retardant crosslinked silicone rubber with good corrosion resistance, excellent electrical performance and good flexibility, which meets the performance requirements of equipment with large temperature difference, strong corrosive contact substances and high fireproof requirements.

[0028] The aluminum foil shielding layer 103 adopts a self-adhesive aluminum foil wrapping shielding layer, which has good structural stability and good shielding effect on 0-1000 MHZ medium and high frequency pulse interference.

[0029] Reference Figure 1 And Figure 3 According to an embodiment of the utility model, the power distribution core 2 includes silver-plated copper conductor 201, silver-plated copper conductor 201 is equipped with temperature-resistant crosslinked silicone rubber insulation layer 202, temperature-resistant crosslinked silicone rubber insulation layer 202 is provided with graphite coating shielding layer 203 outside.

[0030] The power distribution core 2 adopts 0~2.5mm 2 annealed silver-plated copper soft conductor, provides the power supply for the illumination, low-power power of the instrument and equipment of ship, sea engineering equipment and other purposes, the power distribution core 2 is equipped with temperature-resistant crosslinked silicone rubber insulation layer 202 with good temperature-resistant performance, temperature-resistant crosslinked silicone rubber insulation layer 202 has low electromagnetic loss, higher tensile strength, good corrosion resistance and temperature-resistant performance, ensures the low attenuation, low impedance, high definition of ultrahigh frequency data current, and at the same time guarantees the stable capacitance and wave velocity ratio of product.The surface of temperature-resistant crosslinked silicone rubber insulation layer 202 is coated with high-conductivity graphite to form graphite coating shielding layer 203, which plays a shielding role on high-frequency interference signals.

[0031] Reference Figure 1 According to an embodiment of the utility model, the air-cooled pipe 3 is a steel spring pipe.

[0032] The air-cooled pipe 3 is a dense spring pipe made of high-strength high-elasticity ultra-thin body rectangular spring steel, which has high strength, good flexibility and excellent tensile performance, can timely take away the heat generated inside the cable during use, ensures the cable to work within a reasonable temperature range, and can also send hot air generated by heating equipment into the cable inside at extremely low temperature, ensuring the normal operation of the cable at extremely low outdoor temperature.

[0033] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of claims. The components and structures not described in detail in the embodiment are the known components and common structures or common means in the industry, which are not described here.

Claims

1. A data wire for broadcast television, characterized by, Include: The outer sheath (6) is sleeved with a reinforcing sheath (5), the reinforcing sheath (5) is sleeved with a crosslinked silicone rubber sheath (4), and the crosslinked silicone rubber sheath (4) is wrapped with high-frequency data transmission twisted pair wire (1), power distribution wire core (2) and air-cooled pipe (3).

2. The data cable for broadcast television according to claim 1, wherein The outer sheath (6) is made of glass fiber woven outer sheath.

3. The data cable for broadcast television according to claim 1, wherein The reinforcing sheath (5) is made of aramid fiber sheath.

4. The data cable for broadcast television according to claim 1, wherein The high-frequency data transmission twisted pair wire (1) comprises a plurality of twisted silver-plated copper conductors (101), each of which is sleeved with a cold-resistant crosslinked silicone rubber insulation layer (102), and the cold-resistant crosslinked silicone rubber insulation layer (102) is wrapped with an aluminum foil shielding layer (103).

5. The data cable for broadcast television according to claim 1, wherein The power distribution wire core (2) comprises a silver-plated copper conductor (201), which is sleeved with a temperature-resistant crosslinked silicone rubber insulation layer (202), and the temperature-resistant crosslinked silicone rubber insulation layer (202) is provided with a graphite coated shielding layer (203).

6. The data cord for broadcast television according to claim 1, wherein The air-cooled pipe (3) is a steel spring pipe.

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