CN220455572U - Heat insulation type composite cable - Google Patents
Heat insulation type composite cable Download PDFInfo
- Publication number
- CN220455572U CN220455572U CN202321881560.3U CN202321881560U CN220455572U CN 220455572 U CN220455572 U CN 220455572U CN 202321881560 U CN202321881560 U CN 202321881560U CN 220455572 U CN220455572 U CN 220455572U
- Authority
- CN
- China
- Prior art keywords
- accommodating cavity
- sleeve
- composite cable
- transmission units
- heat insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 title claims description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 25
- 239000013307 optical fiber Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 8
- 238000005253 cladding Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000004308 accommodation Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Landscapes
- Communication Cables (AREA)
Abstract
The utility model discloses a heat-insulating composite cable, which comprises an outer sleeve, an inner sleeve, a plurality of metal wires, a plurality of electric transmission units, a reinforcing piece and a plurality of optical transmission units, wherein the outer sleeve is connected with the inner sleeve; the outer sleeve is provided with a first accommodating cavity; the inner sleeve is arranged at the central position in the first accommodating cavity, and is provided with a second accommodating cavity; the plurality of metal wires and the plurality of electric transmission units are arranged in the first accommodating cavity and are distributed around the circumference side of the inner sleeve; the reinforcement piece is arranged at the center position in the first accommodating cavity; the plurality of light transmission units are arranged in the second accommodating cavity and around the periphery of the reinforcing member. Through cladding first insulating layer on the surface of outer tube, first insulating layer can reduce the heating of outer tube, slows down the ageing speed of outer tube, and the inner wall cladding of second holding chamber is equipped with the second insulating layer again to the cooperation, everywhere light transmission unit receives the heat, slows down the ageing speed of light transmission unit overcoat to the life of extension composite cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a heat-insulation composite cable.
Background
Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications by utilizing one or more optical fibers disposed in a covering sheath as a transmission medium and may be used alone or in groups of communication cable assemblies. The optical cable mainly comprises optical fibers (glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper aluminum and the like are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line for realizing optical signal transmission, wherein a certain number of optical fibers form a cable core in a certain mode, a sheath is covered outside the cable core, and an outer protective layer is covered outside the cable core. With the advent of the information age, the transmission amount of information has been increased explosively, and as an effective means for large-capacity and long-distance transmission, optical fiber cables have been widely and largely applied, and the application of optical fiber cables has also gradually been developed from long-distance trunks to metropolitan area networks and access networks.
In order to facilitate popularization and application, the existing optical cable can be combined with the cable into a whole to form a composite cable with an electric transmission function and an optical signal transmission function. However, the optical cable, the electric cable or the composite cable is arranged outdoors, and the composite cable can be influenced by high temperature in hot summer, so that the temperature of the composite cable is too high, the ageing of the outer coating is accelerated, and the service life of the composite cable is shortened. Accordingly, there is a need for improvements over existing composite cables.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary objective is to provide a heat insulation type composite cable, which can effectively solve the problems of fast aging speed and short service life of the existing composite cable.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a heat-insulating composite cable comprises an outer sleeve, an inner sleeve, a plurality of metal wires, a plurality of electric transmission units, a reinforcing piece and a plurality of optical transmission units; the outer sleeve is provided with a first accommodating cavity, the outer surface of the outer sleeve is coated with a first heat insulation layer, and the surface of the first heat insulation layer is provided with a protective layer; the inner sleeve is arranged at the central position in the first accommodating cavity, the inner sleeve is provided with a second accommodating cavity, and the inner wall surface of the second accommodating cavity is coated with a second heat insulation layer; the plurality of metal wires and the plurality of electric transmission units are arranged in the first accommodating cavity and are distributed around the circumference side of the inner sleeve; the reinforcement piece is arranged at the center position in the first accommodating cavity; the plurality of light transmission units are arranged in the second accommodating cavity and around the periphery of the reinforcing piece, each light transmission unit comprises a protective sleeve, an optical fiber and fiber paste, the protective sleeve is arranged in the second accommodating cavity, the optical fiber is arranged in the protective sleeve, and the fiber paste is filled in the protective sleeve and wraps the optical fiber.
As a preferable scheme, the first heat insulation layer and the second heat insulation layer are both mica tapes.
As a preferable scheme, the protective layer is made of PPS material.
As a preferable scheme, the metal wire is aluminum clad steel.
Preferably, the reinforcement is made of FRP.
As a preferred solution, the plurality of wires and the plurality of electrical transmission units are staggered around the circumference of the inner sleeve.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
through cladding first insulating layer on the surface of outer tube, first insulating layer can reduce the heating of outer tube, slows down the ageing speed of outer tube, and the inner wall cladding of second holding chamber is equipped with the second insulating layer again to the cooperation, everywhere light transmission unit receives the heat, slows down the ageing speed of light transmission unit overcoat to the life of extension composite cable.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the following detailed description of the utility model is made with reference to the accompanying drawings and to the specific embodiments:
drawings
FIG. 1 is a cross-sectional view of a preferred embodiment of the present utility model;
fig. 2 is a cross-sectional view of an optical transmission unit in a preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. outer sleeve 101, first accommodation cavity
11. First heat insulating layer 12, protective layer
20. Inner sleeve 201, second accommodation cavity
21. Second insulating layer 30, wire
40. Electric transmission unit 50, reinforcement
60. Optical transmission unit 61, protective sleeve
62. Optical fiber 63, and fiber paste.
Detailed Description
Referring to fig. 1 and 2, a preferred embodiment of the present utility model is shown, which comprises an outer sleeve 10, an inner sleeve 20, a plurality of wires 30, a plurality of electrical transmission units 40, a reinforcing member 50 and a plurality of optical transmission units 60.
The outer sleeve 10 is provided with a first accommodating cavity 101, a first heat insulation layer 11 is coated on the outer surface of the outer sleeve 101, and a protection layer 12 is arranged on the surface of the first heat insulation layer 11; in this embodiment, the first insulating layer 11 is a mica tape, and the protecting layer 12 is PPS.
The inner sleeve 20 is arranged at the central position in the first accommodating cavity 101, the inner sleeve 20 is provided with a second accommodating cavity 201, and the inner wall surface of the second accommodating cavity 201 is coated with a second heat insulation layer 21; in this embodiment, the second insulating layer 21 is a mica tape.
The plurality of wires 30 and the plurality of electrical transmission units 40 are disposed within the first accommodation chamber 101 and arranged around the circumferential side of the inner sleeve 20; in the present embodiment, the plurality of wires 30 and the plurality of electric transmission units 40 are staggered around the circumferential side of the inner sleeve 20; the wire 30 is aluminum clad steel.
The reinforcement 50 is disposed at a central position within the first accommodation chamber 101; in this embodiment, the reinforcement 50 is made of FRP.
The plurality of light transmission units 60 are arranged in the second accommodating cavity 201 and around the periphery of the stiffener 50, each light transmission unit 60 includes a protective sleeve 61, an optical fiber 62 and a fiber paste 63, the protective sleeve 61 is disposed in the second accommodating cavity 201, the optical fiber 62 is disposed in the protective sleeve 61, and the fiber paste 63 is filled in the protective sleeve 61 and wraps the optical fiber 62.
The design focus of the utility model is that: through cladding first insulating layer on the surface of outer tube, first insulating layer can reduce the heating of outer tube, slows down the ageing speed of outer tube, and the inner wall cladding of second holding chamber is equipped with the second insulating layer again to the cooperation, everywhere light transmission unit receives the heat, slows down the ageing speed of light transmission unit overcoat to the life of extension composite cable.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (6)
1. The utility model provides a thermal-insulated type composite cable which characterized in that: comprises an outer sleeve, an inner sleeve, a plurality of metal wires, a plurality of electric transmission units, a reinforcing piece and a plurality of optical transmission units; the outer sleeve is provided with a first accommodating cavity, the outer surface of the outer sleeve is coated with a first heat insulation layer, and the surface of the first heat insulation layer is provided with a protective layer; the inner sleeve is arranged at the central position in the first accommodating cavity, the inner sleeve is provided with a second accommodating cavity, and the inner wall surface of the second accommodating cavity is coated with a second heat insulation layer; the plurality of metal wires and the plurality of electric transmission units are arranged in the first accommodating cavity and are distributed around the circumference side of the inner sleeve; the reinforcement piece is arranged at the center position in the first accommodating cavity; the plurality of light transmission units are arranged in the second accommodating cavity and around the periphery of the reinforcing piece, each light transmission unit comprises a protective sleeve, an optical fiber and fiber paste, the protective sleeve is arranged in the second accommodating cavity, the optical fiber is arranged in the protective sleeve, and the fiber paste is filled in the protective sleeve and wraps the optical fiber.
2. The insulated composite cable of claim 1, wherein: the first heat insulation layer and the second heat insulation layer are mica tapes.
3. The insulated composite cable of claim 1, wherein: the protective layer is made of PPS material.
4. The insulated composite cable of claim 1, wherein: the metal wire is aluminum-clad steel.
5. The insulated composite cable of claim 1, wherein: the reinforcement is made of FRP.
6. The insulated composite cable of claim 1, wherein: the metal wires and the electric transmission units are staggered around the circumference of the inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321881560.3U CN220455572U (en) | 2023-07-14 | 2023-07-14 | Heat insulation type composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321881560.3U CN220455572U (en) | 2023-07-14 | 2023-07-14 | Heat insulation type composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220455572U true CN220455572U (en) | 2024-02-06 |
Family
ID=89724752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321881560.3U Active CN220455572U (en) | 2023-07-14 | 2023-07-14 | Heat insulation type composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220455572U (en) |
-
2023
- 2023-07-14 CN CN202321881560.3U patent/CN220455572U/en active Active
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