CN210984341U - Low-smoke halogen-free flame-retardant composite cable for marine detection radar communication - Google Patents
Low-smoke halogen-free flame-retardant composite cable for marine detection radar communication Download PDFInfo
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- CN210984341U CN210984341U CN201922492124.7U CN201922492124U CN210984341U CN 210984341 U CN210984341 U CN 210984341U CN 201922492124 U CN201922492124 U CN 201922492124U CN 210984341 U CN210984341 U CN 210984341U
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Abstract
The utility model discloses a marine detection radar communication is with fire-retardant composite cable of low smoke and zero halogen, it includes the cable core, is provided with digital signal unit, radio frequency line unit and power cord unit in the cable core, and it has low smoke and zero halogen packing rope to fill between digital signal unit, radio frequency line unit and the power cord unit in the cable core, and the cable core is outer around having the polyester band, and the polyester band is provided with total shielding layer, total shielding layer crowded package has the oversheath outward. Other cable cores are prevented from interfering with each other in a shielding mode, and digital signal transmission is guaranteed; the cable is provided with a radio frequency unit to ensure that the product has the transmission of radio frequency signals; the cable is provided with two pairs of power wire cores which are respectively braided and shielded, so that the product is ensured to have electric energy transmission and is prevented from mutual interference; the flexible design of various cable cores with different purposes is ensured, so that the product has good bending property.
Description
Technical Field
The utility model relates to a cable, concretely relates to marine detection radar communication is with fire-retardant composite cable of low smoke and zero halogen.
Background
The modern ship radar system needs power transmission, radio frequency signal, digital signal and optical fiber communication transmission, and any single digital signal cable, optical fiber cable or power cable cannot meet the use requirement of a high-end ship radar system.
In the line laying construction, the requirements of line laying such as power transmission, digital signal, video transmission, voice transmission and the like are met at the same time. A plurality of cables such as a power cable, a digital signal cable, a coaxial cable, an optical fiber cable and the like are laid in parallel, so that inconvenience is brought to laying construction, and construction cost is increased.
Therefore, it is desirable to provide a composite flexible cable that can simultaneously transmit digital signals, optical fiber communication and power transmission.
SUMMERY OF THE UTILITY MODEL
For solving the problem in the above-mentioned technique, the utility model provides a marine detection radar communication is with fire-retardant composite cable of low smoke and zero halogen. The power line, the network cable and the coaxial radio frequency line are integrated.
The utility model provides a following technical scheme:
a low-smoke halogen-free flame-retardant composite cable for marine detection radar communication comprises a cable core, wherein a digital signal unit, a radio frequency line unit and a power line unit are arranged in the cable core, a low-smoke halogen-free filling rope is filled among the digital signal unit, the radio frequency line unit and the power line unit in the cable core, a polyester wrapping tape is wound and wrapped outside the cable core, a total shielding layer is arranged on the polyester wrapping tape, and an outer sheath is extruded and wrapped outside the total shielding layer; the digital signal unit comprises a digital signal wire core and a power line shielding layer twisted outside the digital signal wire core, and the digital signal wire core comprises a digital signal conductor and a digital signal insulating layer arranged outside the digital signal conductor; the radio frequency cable unit comprises a radio frequency cable conductor, a radio frequency cable insulating layer, a radio frequency cable shielding layer and a radio frequency cable outer sheath, wherein the radio frequency cable conductor is externally provided with the radio frequency cable insulating layer, the radio frequency cable insulating layer is externally provided with the radio frequency cable shielding layer, and the radio frequency cable outer sheath is extruded outside the radio frequency cable shielding layer; the power line unit comprises a power line core and a network cable shielding layer, the power line unit is of a multi-core structure, every two cores are twisted in pairs, each core power line core comprises a copper stranded wire and an insulating layer arranged outside the copper stranded wire, and the network cable shielding layer is coated outside the twisted cores.
Furthermore, the digital signal conductor is a soft copper wire with the wire diameter of 16/0.20 mm.
Furthermore, the digital signal insulating layer is extruded by a polyethylene insulating material, the nominal thickness of the digital signal insulating layer is 0.20mm, and the concentricity is not less than 80%.
Furthermore, the radio frequency cable conductor in the radio frequency line unit adopts a 7/0.25mm soft copper wire.
Furthermore, the radio frequency cable insulating layer is extruded by adopting a low-density polyethylene insulating material, the nominal thickness is 1.5mm, and the concentricity is not less than 80%.
Further, the outer sheath of the radio frequency cable is extruded by adopting a low-smoke halogen-free flame-retardant polyolefin material, the nominal thickness is 1.0mm, and the concentricity is not less than 70%.
Furthermore, the copper stranded wires in the power line unit adopt 28/0.25mm soft copper wires, and the nominal value of the insulation thickness is 0.8 mm.
Furthermore, the power line shielding layer, the radio frequency cable shielding layer and the cable total shielding are all braided and shielded by soft copper wires.
Furthermore, the outer sheath is made of a halogen-free low-smoke flame-retardant sheath material, the nominal thickness is 1.5mm, and the thinnest point is not less than 1.20 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the cable is provided with a digital signal cable core, and other cable cores are prevented from interfering with each other in a shielding mode, so that digital signal transmission is ensured; the cable is provided with a radio frequency unit to ensure that the product has the transmission of radio frequency signals; the cable is provided with two pairs of power wire cores which are respectively braided and shielded, so that the product is ensured to have electric energy transmission and is prevented from mutual interference; the flexible design of various cable cores with different purposes is ensured, so that the product has good bending property.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the cable comprises a digital signal conductor, 2 a digital signal insulating layer, 3 a power line shielding layer, 4 a low-smoke halogen-free filling rope, 5 a polyester wrapping tape, 6 a total shielding layer, 7 an outer sheath, 8 a copper stranded wire, 9 an insulating layer, 10 a network cable shielding layer, 11 a radio frequency cable conductor, 12 a radio frequency cable insulating layer, 13 a radio frequency cable shielding layer, 14 a radio frequency cable outer sheath.
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 work belong to the protection scope of the present invention.
Referring to fig. 1, the utility model discloses a low smoke zero halogen flame retardant composite cable for marine detection radar communication, it includes the cable core, is provided with digital signal unit, radio frequency line unit and power cord unit in the cable core.
The digital signal unit comprises a digital signal wire core and a power line shielding layer 3 twisted outside the digital signal wire core, wherein the digital signal wire core comprises a digital signal conductor 1 and a digital signal insulating layer 2 arranged outside the digital signal conductor 1.
The digital signal conductor 1 is a soft copper wire with the wire diameter of 16/0.20 mm.
The digital signal insulating layer 2 is extruded by adopting a polyethylene insulating material, the nominal thickness is 0.20mm, and the concentricity is not less than 80%.
The power line shielding layer 3 is braided and shielded by adopting soft copper wires, so that the anti-interference capability of the digital signal cable is ensured.
The radio frequency wire unit comprises a radio frequency cable conductor 11, a radio frequency cable insulating layer 12, a radio frequency cable shielding layer 13 and a radio frequency cable outer sheath 14, wherein the radio frequency cable insulating layer 12 is arranged outside the radio frequency cable conductor 11, the radio frequency cable shielding layer 13 is arranged outside the radio frequency cable insulating layer 12, and the radio frequency cable outer sheath 14 is extruded outside the radio frequency cable shielding layer 13.
The radio frequency cable conductor 11 in the radio frequency line unit adopts a 7/0.25mm soft copper wire.
The radio frequency cable insulating layer 12 is extruded by using a low density polyethylene insulating material, the nominal thickness is 1.5mm, and the concentricity is not less than 80%.
The shielding layer 13 of the radio frequency cable is braided and shielded by adopting soft copper wires, so that the anti-interference capability of the radio frequency cable is ensured.
The outer sheath 14 of the radio frequency cable is extruded by adopting a low-smoke halogen-free flame-retardant polyolefin material, the nominal thickness is 1.0mm, and the concentricity is not less than 70%.
The power cord unit includes power sinle silk and net twine shielding layer 10, and the power cord unit is the multicore structure, and per two cores are twisted in pairs, and this side has four pairs, and every core power sinle silk includes that copper strand wires 8 and copper strand wires 8 are provided with insulating layer 9 outward, wraps net twine shielding layer 10 outward after the pair twist.
The copper stranded wire 8 in the power line unit adopts a 28/0.25mm soft copper wire, the nominal value of the insulation thickness is 0.8mm, and the cross-linked polyethylene insulation structure is adopted. After the two insulated wire cores are twisted in pairs, the shielding is woven by soft copper wires, so that the mutual anti-interference capability of power signals is ensured. The cable forming gap is made of halogen-free flame-retardant filling materials, so that the roundness of the cable is ensured.
A low-smoke halogen-free filling rope 4 is filled among a digital signal unit, a radio frequency line unit and a power line unit in the cable core, a polyester wrapping belt 5 is wrapped outside the cable core, a total shielding layer 6 is arranged on the polyester wrapping belt 5, and an outer sheath 7 is extruded outside the total shielding layer.
The polyester tape 5 adopts PET tape to tie up four functional units. This means that: two digital signal units, a radio frequency line unit and a power line unit.
The cable total shield 6 adopts soft copper wire braided shield to ensure the anti-interference capability of the cable
The outer sheath 7 is made of halogen-free low-smoke flame-retardant sheath material, the nominal thickness is 1.5mm, and the thinnest point is not less than 1.20 mm.
The main performance indexes of the product are as follows:
1. the main performance indexes of the digital cable are as follows:
2. the main performance indexes of the radio frequency signal are as follows:
3. main performance indexes of the power line unit:
1.5mm2the conductor of the wire core does not break down the conductor at 2500V/1 min.
Therefore, the product has the comprehensive performance of radio frequency signals, digital signals, optical fiber communication and power transmission; the product has excellent properties of seawater resistance, halogen-free low-smoke flame retardance and the like; the rated service temperature of the cable is-25 to +70 ℃; the bending radius of the finished cable is not more than 6D (D-cable outer diameter).
The cable is provided with a digital signal cable core, and other cable cores are prevented from interfering with each other in a shielding mode, so that digital signal transmission is ensured; the cable is provided with a radio frequency unit to ensure that the product has the transmission of radio frequency signals; the cable is provided with two pairs of power wire cores which are respectively braided and shielded, so that the product is ensured to have electric energy transmission and is prevented from mutual interference; the flexible design of various cable cores with different purposes is ensured, so that the product has good bending property.
The utility model discloses a marine detection radar communication is with fire-retardant composite cable of low smoke and zero halogen has assembled power cord, net twine, coaxial radio frequency line in an organic whole for power, information acquisition, the receipt of marine radar, the product possesses digital signal, radio frequency signal and power transmission comprehensive properties simultaneously. The environment requirements of ocean moisture, seawater, ultraviolet rays, cold and the like are met. The fuel has the characteristic of no toxic gas and smoke during combustion, and completely meets the requirement of a ship.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a marine detection radar communication is with fire-retardant composite cable of low smoke and zero halogen which characterized in that: the cable comprises a cable core, wherein a digital signal unit, a radio frequency line unit and a power line unit are arranged in the cable core, a low-smoke halogen-free filling rope (4) is filled among the digital signal unit, the radio frequency line unit and the power line unit in the cable core, a polyester wrapping tape (5) is wound and wrapped outside the cable core, the polyester wrapping tape (5) is provided with a total shielding layer (6), and an outer sheath (7) is extruded and wrapped outside the total shielding layer; the digital signal unit comprises a digital signal wire core and a power line shielding layer (3) twisted outside the digital signal wire core, wherein the digital signal wire core comprises a digital signal conductor (1) and a digital signal insulating layer (2) arranged outside the digital signal conductor (1); the radio frequency wire unit comprises a radio frequency cable conductor (11), a radio frequency cable insulating layer (12), a radio frequency cable shielding layer (13) and a radio frequency cable outer sheath (14), wherein the radio frequency cable insulating layer (12) is arranged outside the radio frequency cable conductor (11), the radio frequency cable shielding layer (13) is arranged outside the radio frequency cable insulating layer (12), and the radio frequency cable outer sheath (14) is extruded outside the radio frequency cable shielding layer (13); the power cord unit includes power sinle silk and net twine shielding layer (10), and the power cord unit is the multicore structure, and per two cores are twisted in pairs, and every core power sinle silk includes that copper strand wires (8) and copper strand wires (8) are provided with insulating layer (9) outward, wraps net twine shielding layer (10) outward after the twist in pairs.
2. The low-smoke halogen-free flame-retardant composite cable for the marine detection radar communication according to claim 1, characterized in that: the digital signal conductor (1) is a soft copper wire with the wire diameter of 16/0.20 mm.
3. The low-smoke halogen-free flame-retardant composite cable for the marine detection radar communication according to claim 1, characterized in that: the digital signal insulating layer (2) is extruded by adopting a polyethylene insulating material, the nominal thickness is 0.20mm, and the concentricity is not less than 80%.
4. The low-smoke halogen-free flame-retardant composite cable for the marine detection radar communication according to claim 1, characterized in that: and a radio frequency cable conductor (11) in the radio frequency wire unit adopts a 7/0.25mm soft copper wire.
5. The low-smoke halogen-free flame-retardant composite cable for the marine detection radar communication according to claim 1, characterized in that: the radio frequency cable insulating layer (12) is extruded by adopting a low-density polyethylene insulating material, the nominal thickness is 1.5mm, and the concentricity is not less than 80%.
6. The low-smoke halogen-free flame-retardant composite cable for the marine detection radar communication according to claim 1, characterized in that: the outer sheath (14) of the radio frequency cable is extruded by adopting a low-smoke halogen-free flame-retardant polyolefin material, the nominal thickness is 1.0mm, and the concentricity is not less than 70%.
7. The low-smoke halogen-free flame-retardant composite cable for the marine detection radar communication according to claim 1, characterized in that: the copper stranded wire (8) in the power line unit adopts a 28/0.25mm soft copper wire, and the nominal value of the insulation thickness is 0.8 mm.
8. The low-smoke halogen-free flame-retardant composite cable for the marine detection radar communication according to claim 1, characterized in that: the power line shielding layer (3), the radio frequency cable shielding layer (13) and the total shielding layer (6) are all braided and shielded by soft copper wires.
9. The low-smoke halogen-free flame-retardant composite cable for the marine detection radar communication according to claim 1, characterized in that: the outer sheath (7) is made of a halogen-free low-smoke flame-retardant sheath material, the nominal thickness is 1.5mm, and the thinnest point is not less than 1.20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492124.7U CN210984341U (en) | 2019-12-31 | 2019-12-31 | Low-smoke halogen-free flame-retardant composite cable for marine detection radar communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492124.7U CN210984341U (en) | 2019-12-31 | 2019-12-31 | Low-smoke halogen-free flame-retardant composite cable for marine detection radar communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210984341U true CN210984341U (en) | 2020-07-10 |
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ID=71458582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922492124.7U Active CN210984341U (en) | 2019-12-31 | 2019-12-31 | Low-smoke halogen-free flame-retardant composite cable for marine detection radar communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210984341U (en) |
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2019
- 2019-12-31 CN CN201922492124.7U patent/CN210984341U/en active Active
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