CN213183637U - Fireproof composite cable - Google Patents
Fireproof composite cable Download PDFInfo
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- CN213183637U CN213183637U CN202022575098.7U CN202022575098U CN213183637U CN 213183637 U CN213183637 U CN 213183637U CN 202022575098 U CN202022575098 U CN 202022575098U CN 213183637 U CN213183637 U CN 213183637U
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Abstract
The utility model belongs to the wire and cable field relates to a fire prevention composite cable, include: the transmission device comprises a first transmission assembly, two second transmission assemblies, two third transmission assemblies, two fourth transmission assemblies, a first isolation layer, a second isolation layer and an outer protection layer, wherein the first transmission assembly is in an oval shape, and the two second transmission assemblies are respectively arranged on two sides of the first transmission assembly along the short axis direction of the oval; the second transmission assembly and the third transmission assembly are distributed around the first transmission assembly in a central symmetry manner; the second isolation layer and the outer protection layer are sequentially arranged on the outer side of the first isolation layer. According to the utility model discloses a fire prevention composite cable can increase the integrated degree of circuit through integrated configuration design and material selection, when improving circuit utilization, improves the fire behavior of cable.
Description
Technical Field
The utility model belongs to the wire and cable field especially relates to a fire prevention composite cable.
Background
The wire and cable is a key component for transmitting energy and signal data, is widely applied to various fields such as petrochemical industry, rail transit, civil buildings and the like, and the requirements on the comprehensive performance of the wire and cable are continuously improved along with the development of various fields. Particularly when applied to important fields such as aerospace, the cable is required to have excellent safety performance, particularly the capability of maintaining the integrity of the line in extreme environments.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fire prevention composite cable.
According to the utility model discloses an aspect provides a fire prevention composite cable, include: the transmission device comprises a first transmission assembly 1, two second transmission assemblies 2, two third transmission assemblies 3, two fourth transmission assemblies 4, a first isolation layer 5, a second isolation layer 6 and an outer protection layer 7, wherein the first transmission assembly 1 is oval, and the two second transmission assemblies 2 are respectively arranged on two sides of the first transmission assembly 1 along the minor axis direction of the oval; the two third transmission assemblies 3, the second transmission assemblies 2 and the two fourth transmission assemblies 4 are respectively distributed around the first transmission assembly 1 along the center of the first transmission assembly 1 and the third transmission assembly 3; second isolation layer 6 and outer jacket 7 set gradually in the outside of first isolation layer 5, and first isolation layer 5 cladding is around first transmission component 1, two second transmission components 2, two third transmission components 3 and two fourth transmission components 4.
According to the exemplary embodiment of the present invention, the first transmission assembly 1 comprises from inside to outside in sequence: subassembly 11, third insulating layer 12 and fourth insulating layer 13 in the flat transmission, wherein, subassembly 11 includes from inside to outside in the flat transmission in proper order: the first transmission conductor 111, the first insulating layer 112 and the second insulating layer 113 are disposed in parallel, wherein the second insulating layer 113 is disposed with one shielding conductor 114 at two sides in the long axis direction, and the two first transmission conductors 111 and the two shielding conductors 114 are disposed along a straight line.
According to the exemplary embodiment of the present invention, the first transmission conductor 111 is a copper conductor, the first insulating layer 112 is a magnesium oxide insulating layer, the second insulating layer 113 is a flame-retardant cross-linked polyethylene insulating layer, the shielding conductor 114 is made of a copper wire, the third insulating layer 12 is an aluminum oxide insulating layer, and the fourth insulating layer 13 is made of a flame-retardant polyvinyl chloride extrusion coating.
According to the utility model discloses an exemplary embodiment, second transmission assembly 2 comprises second transmission conductor 21 and the cladding fifth insulating layer 22 in the second transmission conductor 21 outside, and wherein, second transmission conductor 21 is the copper core, and fifth insulating layer 22 is ceramic silicon rubber insulating layer.
According to the exemplary embodiment of the present invention, the third transmission assembly 3 is composed of a third transmission conductor 31 and a sixth insulating layer 32 coated outside the third transmission conductor 31, wherein the third transmission conductor 31 is a copper wire core, and the sixth insulating layer 32 is a ceramic silicon rubber insulating layer.
According to the exemplary embodiment of the present invention, the fourth transmission assembly 4 is composed of an optical fiber unit 41 and a seventh insulating layer 42 covering the outside of the optical fiber unit 41, wherein the seventh insulating layer 42 is a radiation cross-linked flame retardant polyethylene insulating layer.
According to an exemplary embodiment of the invention, the first isolation layer 5 is made of ceramic refractory clay extrusion.
According to an exemplary embodiment of the present invention, the second isolation layer 6 is made of a flame retardant polyvinyl chloride extrusion.
According to an exemplary embodiment of the present invention, the outer protective layer 7 is a low smoke zero halogen flame retardant polyolefin sheath.
Compared with the prior art, the utility model discloses a fire prevention composite cable through integrated configuration design and material selection, can increase the integrated degree of circuit, when improving circuit utilization ratio, improves the fire behavior of cable.
Drawings
Fig. 1 is a schematic cross-sectional view of a fire-resistant composite cable according to the present invention;
in the figure, 1-first transmission component, 11-inner flat transmission component, 12-third insulating layer, 13-fourth insulating layer, 111-first transmission conductor, 112-first insulating layer, 113-second insulating layer, 114-shielding conductor, 2-second transmission component, 21-second transmission conductor, 22-fifth insulating layer, 3-third transmission component, 31-third transmission conductor, 32-sixth insulating layer, 4-fourth transmission component, 41-optical fiber unit, 42-seventh insulating layer, 5-first isolating layer, 6-second isolating layer, 7-outer protecting layer.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a fire-resistant composite cable includes: the transmission device comprises a first transmission assembly 1, two second transmission assemblies 2, two third transmission assemblies 3, two fourth transmission assemblies 4, a first isolation layer 5, a second isolation layer 6 and an outer protection layer 7, wherein the first transmission assembly 1 is oval, and the two second transmission assemblies 2 are respectively arranged on two sides of the first transmission assembly 1 along the minor axis direction of the oval; the two third transmission assemblies 3, the second transmission assemblies 2 and the two fourth transmission assemblies 4 are respectively distributed around the first transmission assembly 1 along the first transmission assembly 1 and the third transmission assembly 3 in a central symmetry manner; second isolation layer 6 and outer jacket 7 set gradually in the outside of first isolation layer 5, and first isolation layer 5 cladding is around first transmission component 1, two second transmission components 2, two third transmission components 3 and two fourth transmission components 4.
Specifically, first transmission assembly 1 includes from inside to outside in proper order: subassembly 11, third insulating layer 12 and fourth insulating layer 13 in the flat transmission, wherein, subassembly 11 includes from inside to outside in the flat transmission in proper order: the first transmission conductor 111, the first insulating layer 112 and the second insulating layer 113 are disposed in parallel, wherein the second insulating layer 113 is disposed with one shielding conductor 114 at two sides in the long axis direction, and the two first transmission conductors 111 and the two shielding conductors 114 are disposed along a straight line.
The first transmission conductor 111 is a copper conductor, the first insulating layer 112 is a magnesium oxide insulating layer, the second insulating layer 113 is a flame-retardant crosslinked polyethylene insulating layer, the shielding conductor 114 is made of a copper wire, the third insulating layer 12 is an aluminum oxide insulating layer, and the fourth insulating layer 13 is made of flame-retardant polyvinyl chloride through extrusion.
The second transmission assembly 2 is composed of a second transmission conductor 21 and a fifth insulating layer 22 coated outside the second transmission conductor 21, wherein the second transmission conductor 21 is a copper wire core, and the fifth insulating layer 22 is a ceramic silicon rubber insulating layer.
The third transmission assembly 3 is composed of a third transmission conductor 31 and a sixth insulation layer 32 coated outside the third transmission conductor 31, wherein the third transmission conductor 31 is a copper wire core, and the sixth insulation layer 32 is a ceramic silicon rubber insulation layer.
The fourth transmission assembly 4 is composed of an optical fiber unit 41 and a seventh insulating layer 42 covering the outer side of the optical fiber unit 41, wherein the seventh insulating layer 42 is a radiation cross-linked flame-retardant polyethylene insulating layer.
The first isolating layer 5 is made of ceramic refractory mortar by extrusion.
The second isolation layer 6 is made of flame-retardant polyvinyl chloride through extrusion.
The outer protective layer 7 is a low-smoke halogen-free flame-retardant polyolefin protective layer.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A fire-resistant composite cable, comprising: the transmission device comprises a first transmission assembly (1), two second transmission assemblies (2), two third transmission assemblies (3), two fourth transmission assemblies (4), a first isolation layer (5), a second isolation layer (6) and an outer protection layer (7), wherein the first transmission assembly (1) is oval, and the two second transmission assemblies (2) are respectively arranged on two sides of the first transmission assembly (1) along the short axis direction of the oval; the two third transmission assemblies (3) and the two fourth transmission assemblies (4) are respectively and symmetrically distributed around the first transmission assembly (1) along the center of the first transmission assembly (1); second isolation layer (6) and outer jacket (7) set gradually in the outside of first isolation layer (5), and first isolation layer (5) cladding is around first transmission components (1), two second transmission components (2), two third transmission components (3) and two fourth transmission components (4).
2. Fireproof composite cable according to claim 1, wherein the first transmission assembly (1) comprises, in sequence from the inside to the outside: subassembly (11), third insulating layer (12) and fourth insulating layer (13) in the flat transmission, wherein, subassembly (11) includes from inside to outside in proper order in the flat transmission: the cable comprises two first transmission conductors (111), a first insulating layer (112) and a second insulating layer (113) which are arranged in parallel, wherein two shielding conductors (114) are respectively arranged on two sides of the second insulating layer (113), and the two first transmission conductors (111) and the two shielding conductors (114) are arranged along a straight line.
3. The flameproof composite cable of claim 2, wherein the first transmission conductor (111) is a copper conductor, the first insulating layer (112) is a magnesium oxide insulating layer, the second insulating layer (113) is a flame-retardant crosslinked polyethylene insulating layer, the shield conductor (114) is made of copper wire, the third insulating layer (12) is an aluminum oxide insulating layer, and the fourth insulating layer (13) is made of flame-retardant polyvinyl chloride extrusion.
4. The fireproof composite cable of claim 1, wherein the second transmission assembly (2) comprises a second transmission conductor (21) and a fifth insulating layer (22) coated outside the second transmission conductor (21), wherein the second transmission conductor (21) is a copper wire core, and the fifth insulating layer (22) is a ceramic silicon rubber insulating layer.
5. The fireproof composite cable according to claim 1, wherein the third transmission assembly (3) comprises a third transmission conductor (31) and a sixth insulation layer (32) coated outside the third transmission conductor (31), wherein the third transmission conductor (31) is a copper wire core, and the sixth insulation layer (32) is a ceramic silicon rubber insulation layer.
6. The fireproof composite cable according to claim 1, wherein the fourth transmission component (4) comprises an optical fiber unit (41) and a seventh insulating layer (42) coated outside the optical fiber unit (41), wherein the seventh insulating layer (42) is a radiation cross-linked flame-retardant polyethylene insulating layer.
7. Fire-resistant composite cable according to claim 1, characterized in that the first insulating layer (5) is extruded from a ceramised fire clay.
8. Fire-resistant composite cable according to claim 1, characterized in that the second barrier layer (6) is extruded from flame-retardant polyvinyl chloride.
9. A fireproof composite cable according to claim 1, wherein the outer sheath (7) is a low smoke zero halogen flame retardant polyolefin sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575098.7U CN213183637U (en) | 2020-11-10 | 2020-11-10 | Fireproof composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575098.7U CN213183637U (en) | 2020-11-10 | 2020-11-10 | Fireproof composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213183637U true CN213183637U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022575098.7U Active CN213183637U (en) | 2020-11-10 | 2020-11-10 | Fireproof composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213183637U (en) |
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2020
- 2020-11-10 CN CN202022575098.7U patent/CN213183637U/en active Active
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