CN218676551U - Marine reinforced shielding type ultraviolet-proof low-temperature-resistant cable - Google Patents
Marine reinforced shielding type ultraviolet-proof low-temperature-resistant cable Download PDFInfo
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- CN218676551U CN218676551U CN202222620758.8U CN202222620758U CN218676551U CN 218676551 U CN218676551 U CN 218676551U CN 202222620758 U CN202222620758 U CN 202222620758U CN 218676551 U CN218676551 U CN 218676551U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides a marine enhancement shield type anti ultraviolet is able to bear or endure low temperature cable, the structure of cable is: the cable core conductor is sequentially wrapped with a cable core insulating layer, a first wrapping layer, a first metal braided layer, a second wrapping layer, an inner sheath, a second metal braided layer, a third wrapping layer and an outer sheath from inside to outside; the core conductor is a second tin-plated copper round conductor; the wire core insulating layer is made of crosslinked polyethylene insulating material; the first wrapping layer is formed by wrapping a low-smoke halogen-free flame-retardant tape; the first metal braid is formed by weaving tinned copper wires; the second wrapping layer is formed by wrapping a low-smoke halogen-free flame-retardant tape; the inner sheath is made of ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material; the second metal braid is formed by weaving tinned copper wires; the third wrapping layer is formed by wrapping a low-smoke halogen-free flame-retardant belt; the outer sheath is made of ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material. The cable has the characteristics of ultraviolet resistance, low temperature resistance and the like, and has a better bending characteristic.
Description
Technical Field
This technical scheme belongs to cable technical field, is specifically applicable to a marine enhancement shield type ultraviolet protection is able to bear or endure low temperature cable.
Background
Marine cables, particularly those used for instrumentation and electrical equipment on board ships, are often laid simultaneously in the same cable channel to accommodate the limited space and small relative area capacity of the ship. In particular, some power cables are used as transmission cables for carrier signals to reduce the cable usage. This places high demands on the shielding properties of marine power cables.
Meanwhile, since the ship is specially sailed, some marine cables are exposed to direct sunlight, and sailing also passes through a low-temperature sea area. Therefore, the cable has higher requirements on ultraviolet resistance, low temperature resistance and the like.
How to satisfy the low temperature resistant, ultraviolet protection and strong shielding requirement of marine cable on the basis of satisfying marine power cable's basic function, is the technical problem who solves.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a marine enhancement shielding type ultraviolet-proof low temperature resistant cable, the external diameter scope of cable is 10.0 ~ 38.0mm. The structure of the cable is as follows: the cable core conductor 1 is sequentially wrapped with a cable core insulating layer 2, a first wrapping layer 3, a first metal braided layer 4, a second wrapping layer 5, an inner sheath 6, a second metal braided layer 7, a third wrapping layer 8 and an outer sheath 9 from inside to outside;
the core conductor 1 is a second tin-plated copper round conductor; the sectional area of the core conductor 1 is 1-300 mm 2 (ii) a The core conductor 1 is formed by stranding tin-plated copper monofilaments with the diameter of 0.43-2.52 mm, and the pitch-diameter ratio of the stranding is 10-40 times; the conductor adopts a tin-plated copper conductor, so that the surface oxidation of the conductor is prevented, and the conductivity of the conductor is prevented from being influenced.
The wire core insulating layer 2 is made of crosslinked polyethylene insulating materials, and the thickness of the wire core insulating layer 2 is 0.7 mm-1.8 mm;
the first wrapping layer 3 is formed by wrapping a low-smoke halogen-free flame-retardant tape, and the average overlapping rate is not less than 25%;
the first metal braid layer 4 is formed by weaving tinned copper wires, and the weaving density is not less than 81.8%.
The second wrapping layer 5 is formed by wrapping a low-smoke halogen-free flame-retardant tape, and the uniform overlapping rate is not less than 25%;
the inner sheath 6 is made of an ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material, and the thickness of the inner sheath is 1.0-1.7 mm;
the second metal braid 7 is formed by weaving tinned copper wires, and the weaving density is not less than 81.8%; the metal weaving can ensure the radial distribution of an electric field and reduce the interference of an external electromagnetic field.
The third wrapping layer 8 is formed by wrapping a low-smoke halogen-free flame-retardant tape, and the average overlapping rate is not less than 25%;
the outer sheath 9 is made of an ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material; the thickness of the outer sheath is 1.0 mm-1.3 mm.
The first wrapping layer, the second wrapping layer and the third wrapping layer are made of low-smoke halogen-free flame-retardant tapes, so that low smoke and halogen are guaranteed. The inner sheath protects the insulation and the inner layer structure from being damaged; the outer sheath mainly protects the whole cable.
By adopting the structure, the cable is particularly suitable for ships, can meet the requirements of a carrier power cable on electromagnetic shielding, and meets the requirements of the using environment of the marine cable on ultraviolet resistance, low temperature resistance and the like. Moreover, the cable also has better bending characteristic, so that the cable can be stably arranged in a narrow space of a ship. In addition, the material used by the cable does not contain halogen, and has the characteristic of environmental protection.
Drawings
FIG. 1 is a schematic radial cross-sectional view of the cable of this example;
in the figure: sinle silk conductor 1, sinle silk insulating layer 2, first around covering 3, first metallic braid 4, second around covering 5, inner sheath 6, second metallic braid 7, third around covering 8, oversheath 9.
Detailed Description
The technical solution is further explained below with reference to specific embodiments as follows:
referring to fig. 1, the marine reinforced shielding type ultraviolet-proof low temperature-resistant cable has an outer diameter ranging from 10.0 mm to 38.0mm, and is characterized in that the cable has a structure as follows: the cable core conductor 1 is sequentially wrapped with a cable core insulating layer 2, a first wrapping layer 3, a first metal braided layer 4, a second wrapping layer 5, an inner sheath 6, a second metal braided layer 7, a third wrapping layer 8 and an outer sheath 9 from inside to outside;
the core conductor 1 is a second tinned copper round conductor; the section area of the core conductor 1 is 1-300 mm 2 (ii) a The core conductor 1 is formed by stranding tin-plated copper monofilaments with the diameter of 0.43-2.52 mm, and the pitch-diameter ratio of the stranding is 10-40 times;
the wire core insulating layer 2 is made of crosslinked polyethylene insulating materials, and the thickness of the wire core insulating layer 2 is 0.7 mm-1.8 mm;
the first wrapping layer 3 is formed by wrapping a low-smoke halogen-free flame-retardant tape, and the average overlapping rate is not less than 25%;
the first metal braid 4 is formed by weaving tinned copper wires, and the weaving density is not less than 81.8%.
The second wrapping layer 5 is formed by wrapping a low-smoke halogen-free flame-retardant tape, and the uniform overlapping rate is not less than 25%;
the inner sheath 6 is made of an ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material, and the thickness of the inner sheath is 1.0-1.7 mm;
the second metal braid 7 is formed by weaving tinned copper wires, and the weaving density is not less than 81.8%;
the third wrapping layer 8 is formed by wrapping a low-smoke halogen-free flame-retardant tape, and the average overlapping rate is not less than 25%;
the outer sheath 9 is made of an ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material; the thickness of the outer sheath is 1.0 mm-1.3 mm.
The cable in this example has a conductor cross-sectional area of 25mm 2 ：
The outer diameter of the cable is 17mm;
the structural parameters of the core conductor 1 are as follows: 7/2.14mm;
the nominal thickness of the core insulation layer 2 is 0.90mm, the thickness of the thinnest part is not less than 0.71mm, and the difference between the maximum thickness and the thinnest part is not more than 0.50mm; the wire core insulating layer is made of crosslinked polyethylene insulating material (the brand/model can be YJG-3);
the flame-retardant tape of the first wrapping layer 3 can be a low-smoke halogen-free flame-retardant tape, and the wrapping direction is the right direction; the thickness of the wrapping tape is 0.2mm;
the weaving density of the first metal weaving layer 4 is not less than 81.8%, and the metal weaving layer is formed by weaving tinned copper wires with the wire diameter of 0.20 mm;
the flame-retardant tape of the second wrapping layer 5 can be a low-smoke halogen-free flame-retardant tape, and the wrapping direction is the right direction; the thickness of the wrapping tape is 0.2mm;
the average thickness of the inner sheath 6 is 1.1mm, and the thickness of the thinnest part is not less than 0.84mm; the inner sheath 6 is made of ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material (with the brand/model being FU/ND/WH-1);
the weaving density of the second metal weaving layer 7 is not less than 81.8%, and the metal weaving layer is formed by weaving tinned copper wires with the wire diameter of 0.20 mm;
the flame-retardant tape of the third wrapping layer 8 can specifically adopt a low-smoke halogen-free flame-retardant tape, and the wrapping direction is the right direction; the thickness of the wrapping tape is 0.2mm;
the average thickness of the outer sheath 9 is 0.9mm, and the thickness of the thinnest part is not less than 0.67mm; the inner sheath 9 is made of ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material (with the brand/model being FU/ND/WH-1).
The minimum bend radius of the cable of this example was tested to be 6D.
The following table shows experimental tests of the cable of this example:
Claims (7)
1. the utility model provides a marine enhancement shield type ultraviolet protection is able to bear or endure low temperature cable, the external diameter scope of cable is 10.0 ~ 38.0mm, and characterized by cable's structure is: the cable core conductor is sequentially wrapped with a cable core insulating layer, a first wrapping layer, a first metal braided layer, a second wrapping layer, an inner sheath, a second metal braided layer, a third wrapping layer and an outer sheath from inside to outside;
the core conductor is a second tin-plated copper round conductor; the section area of the conductor of the wire core is 1-300 mm 2 (ii) a The conductor of the wire core is formed by stranding tin-plated copper monofilaments with the diameter of 0.43-2.52 mm, and the pitch-diameter ratio of the stranding is 10-40 times;
the wire core insulating layer is made of crosslinked polyethylene insulating material, and the thickness of the wire core insulating layer is 0.7 mm-1.8 mm;
the first wrapping layer is formed by wrapping a low-smoke halogen-free flame-retardant tape, and the average overlapping rate is not less than 25%;
the first metal braid layer is formed by weaving tinned copper wires, and the weaving density is not less than 81.8%;
the second wrapping layer is formed by wrapping a low-smoke halogen-free flame-retardant tape, and the uniform overlapping rate is not less than 25%;
the inner sheath is made of an ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material, and the thickness of the inner sheath is 1.0-1.7 mm;
the second metal braid is formed by weaving tinned copper wires, and the weaving density is not less than 81.8%;
the third wrapping layer is formed by wrapping a low-smoke halogen-free flame-retardant tape, and the average overlapping rate is not less than 25%;
the outer sheath is made of an ultraviolet-proof low-temperature-resistant low-smoke halogen-free flame-retardant polyolefin sheath material; the thickness of the outer sheath is 1.0 mm-1.3 mm.
2. The ultraviolet ray and low temperature resistant cable as claimed in claim 1, wherein the cross-sectional area of the conductor is 25mm 2 (ii) a The outer diameter of the cable is 17mm; the core conductor is formed by stranding 7 tinned copper monofilaments with the diameter of 2.14 mm.
3. The ultraviolet-proof and low-temperature-resistant cable of claim 2, wherein the thickness of the core insulating layer is 0.90mm, the thickness of the thinnest part is not less than 0.71mm, and the difference between the maximum thickness and the thinnest part is not more than 0.50mm.
4. The marine enhanced shielding type ultraviolet-proof low-temperature-resistant cable according to claim 2, wherein the first, second and third wrapping layers are formed by wrapping low-smoke halogen-free flame-retardant tapes with the thickness of 0.2mm, and the wrapping direction is the right direction.
5. The ultraviolet and low temperature resistant cable as claimed in claim 2, wherein the first and second metal braided layers are made of tinned copper wire with a wire diameter of 0.20 mm.
6. The ultraviolet and cold resistant reinforced shielding cable for ship as claimed in claim 2, wherein the inner sheath has an average thickness of 1.1mm and a thinnest thickness of not less than 0.84mm.
7. The ultraviolet-shielding low-temperature-resistant cable for the ship of claim 2, wherein the average thickness of the outer sheath is 0.9mm, and the thickness of the thinnest part is not less than 0.67mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222620758.8U CN218676551U (en) | 2022-09-30 | 2022-09-30 | Marine reinforced shielding type ultraviolet-proof low-temperature-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222620758.8U CN218676551U (en) | 2022-09-30 | 2022-09-30 | Marine reinforced shielding type ultraviolet-proof low-temperature-resistant cable |
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| Publication Number | Publication Date |
|---|---|
| CN218676551U true CN218676551U (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222620758.8U Active CN218676551U (en) | 2022-09-30 | 2022-09-30 | Marine reinforced shielding type ultraviolet-proof low-temperature-resistant cable |
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| CN (1) | CN218676551U (en) |
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- 2022-09-30 CN CN202222620758.8U patent/CN218676551U/en active Active
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