CN112051652A - Automatic heat dissipation photoelectric composite optical cable - Google Patents
Automatic heat dissipation photoelectric composite optical cable Download PDFInfo
- Publication number
- CN112051652A CN112051652A CN202011082628.2A CN202011082628A CN112051652A CN 112051652 A CN112051652 A CN 112051652A CN 202011082628 A CN202011082628 A CN 202011082628A CN 112051652 A CN112051652 A CN 112051652A
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- China
- Prior art keywords
- heat dissipation
- cable
- outer sheath
- automatic heat
- photoelectric composite
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- 230000003287 optical effect Effects 0.000 title claims abstract description 61
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- -1 rare earth tungstate Chemical class 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 7
- 239000010949 copper Substances 0.000 description 4
- 238000010292 electrical insulation Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4417—High voltage aspects, e.g. in cladding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Communication Cables (AREA)
Abstract
The invention discloses an automatic heat dissipation photoelectric composite optical cable which comprises three optical unit wire cores, two power wire cores, a central reinforcement, a cable filling layer, an inner sheath, four traction pieces, four support pieces and an outer sheath, wherein the central reinforcement is arranged on the two power wire cores; wherein, the three optical unit wire cores and the two power wire cores are arranged in five equal parts, and the central reinforcing part is arranged at the gap to form a cable core; the cable filling layer is arranged outside the cable; the inner sheath is arranged outside the cable filling layer; four traction pieces are arranged outside the inner sheath at equal intervals. According to the invention, the traction piece with contractibility after being heated, the support piece with expansibility after being heated and the outer sheath are arranged between the inner sheath and the outer sheath, when the temperature in the optical cable is overhigh, the traction piece drives the outer sheath to extend inwards, and the support piece drives the outer sheath to extend outwards, so that the surface area of the outer sheath is increased, and further, the automatic heat dissipation effect is realized.
Description
Technical Field
The invention relates to the field of optical cable manufacturing, in particular to an automatic heat dissipation photoelectric composite optical cable.
Background
The photoelectric composite cable integrates optical fibers and conductors, and is commonly used for broadband access, equipment power utilization and signal transmission. Various photoelectric composite cables exist in the market at present, can realize and meet various functions of the optical cable in different scenes, and have high adaptability and strong expansibility; although the photoelectric composite cable can provide multiple transmission technology, the clearance is little in the cable, and ventilation effect is poor, appears the overheated condition of cable inner conductor easily at the during operation, if not in time handle, probably will have serious consequence and still can cause the damage to the optical cable, and then lead to the fact a large amount of economic losses.
Therefore, a need exists for a photoelectric composite optical cable capable of timely and effective heat dissipation.
Disclosure of Invention
The invention aims to provide an automatic heat dissipation photoelectric composite optical cable to solve the problem that the existing photoelectric composite optical cable is insufficient in heat dissipation performance.
The technical scheme for realizing the purpose of the invention is as follows:
an automatic heat dissipation photoelectric composite optical cable, comprising: the cable comprises three optical unit wire cores, two power wire cores, a central reinforcing part, a cable filling layer, an inner sheath, four traction parts with contractibility after being heated, four supporting parts with expansibility after being heated and an outer sheath with ductility; the three optical unit wire cores and the two power wire cores are arranged in five equal parts, and the central reinforcing part is arranged in the gap to form a cable core; the cable filling layer is arranged outside the cable; the inner sheath is arranged outside the cable filling layer; the four traction pieces are arranged outside the inner sheath at equal intervals; a support part is arranged between the adjacent traction parts; the outer sheath is arranged outside the traction piece and the support piece.
The traction member is made of rare earth tungstate.
The supporting piece comprises a supporting body and a limiting piece; the limiting pieces are arranged on two sides of the supporting body; one end of the support body is fixedly connected with the inner sheath, and the other end of the support body is fixedly connected with the outer sheath; one end of the limiting part is fixedly connected with the inner sheath, and the other end of the limiting part is abutted to the outer sheath.
The thermal expansion coefficient of the support body is 26 +/-1; the limiting body is No. 45 steel.
The optical unit wire core comprises an optical unit conductor and an optical unit insulating layer wrapped outside the optical unit conductor; the power wire core comprises a power wire core conductor and a power wire core insulating layer.
The power wire core conductor is stranded by adopting a tinned copper wire with the diameter of 0.8 mm; the optical unit insulating layer is made of a PBT sleeve with the diameter of 3.0 mm; 12 optical fibers are distributed in the optical unit conductor according to a full-color spectrum arrangement mode, and gaps are filled with fiber paste.
The central stiffener includes an aircraft steel wire rope and a stiffener insulation layer.
The inner sheath is made of nylon; the outer sheath is made of rubber.
The invention has the positive effects that:
(1) according to the invention, the traction piece with contractibility after being heated, the support piece with expansibility after being heated and the outer sheath are arranged between the inner sheath and the outer sheath, when the temperature in the optical cable is overhigh, the traction piece drives the outer sheath to extend inwards, and the support piece drives the outer sheath to extend outwards, so that the surface area of the outer sheath is increased, and further, the automatic heat dissipation effect is realized.
(2) The traction part is made of rare earth tungstate, the rare earth tungstate is a negative thermal expansion material, and the volume is reduced along with the temperature rise; the temperature reduces, and the volume grow, and the accessible adds conventional material and carries out coefficient of expansion's regulation and control, accomplishes the high accuracy adjustment, and then makes the radiating efficiency further promote.
(3) According to the invention, the limiting pieces are arranged on the two sides of the support body, so that the directional support of the support body is realized, the directional extension stability of the outer sheath is ensured, and the stability of heat dissipation is further ensured.
(4) The support body is made of a metal alloy material with a thermal expansion coefficient of 26 +/-1, so that the expansion degree is controllable, and the outer sheath is not damaged; and adopt 45 # steel as the locating part, support stably, difficult rupture improves the security.
(5) The power conductor ensures the flexibility of the optical cable in one aspect through twisting the tinned copper wires, and ensures that the optical cable cannot be oxidized or corroded in a severe environment.
(6) The inner sheath adopts nylon, and the nylon has high mechanical strength, good toughness, high tensile strength and compressive strength, high softening point, heat resistance, smooth surface, small friction, wear resistance, excellent electrical property and good electrical insulation property, and effectively improves the physical property and the electrical property of the optical cable.
(7) The outer sheath adopts rubber, and the rubber has the advantages of large elasticity, excellent electrical insulation, good wear resistance and drought resistance, good processability and easy adhesion with other materials, is convenient to adhere with the traction part and the support part on one hand, and is convenient to extend under the control of the traction part and the support part on the other hand, so that the heat dissipation efficiency of the optical cable is improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic cross-sectional structure of the present invention.
The reference numbers are:
the optical unit comprises an optical unit wire core 1, an optical unit conductor 1-1 and an optical unit insulating layer 1-2;
the power cable comprises a power cable core 2, a power cable core conductor 2-1 and a power cable core insulating layer 2-2;
the aircraft steel wire rope comprises a central reinforcement 3, an aircraft steel wire rope 3-1 and a reinforcement insulating layer 3-2;
a cable filling layer 4;
an inner sheath 5;
a traction member 6;
a support 7, a support body 7-1 and a limiting piece 7-2;
an outer sheath 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solution of the present invention will be described and explained in detail by specific examples.
(example 1)
Referring to fig. 1, an automatic heat dissipation photoelectric composite optical cable includes: the cable comprises three optical unit wire cores 1, two power wire cores 2, a central reinforcing part 3, a cable filling layer 4, an inner sheath 5, four traction parts 6 with contractibility after being heated, four supporting parts 7 with expansibility after being heated, and an elastic outer sheath 8; wherein, the three optical unit wire cores 1 and the two power wire cores 2 are arranged in five equal parts, and a central reinforcing part 3 is arranged at the gap to form a cable core; the cable filling layer 4 is arranged outside the cable; the inner sheath 5 is arranged outside the cable filling layer 4; the four traction pieces 6 are arranged outside the inner sheath 5 at equal intervals; a support member 7 is arranged between the adjacent traction members 6; the outer sheath 8 is arranged outside the traction member 6 and the support member 7; through set up between inner sheath 5 and oversheath 8 and be heated after have contractibility draw 6 and the support piece 7 that is heated after have expansibility to and have the oversheath 8 of ductility, when the inside high temperature of optical cable, draw 6 and drive the inside extension of oversheath 8, support piece 7 drives the outside extension of oversheath 8, increase oversheath 8's surface area, and then realize automatic radiating effect, simple structure, the heat dissipation is timely, the radiating efficiency is high.
The traction piece 6 is made of rare earth tungstate, and the earth tungstate is a negative thermal expansion material, and the volume is reduced along with the temperature rise; the temperature is reduced, the volume is increased, the expansion coefficient can be regulated and controlled by adding conventional materials, high-precision adjustment is realized, and the heat dissipation efficiency is further improved; in this example, rare earth tungstatesIs prepared by mixing Cu powder with Sc2W3O12According to the following steps: 9, pressing and molding by 10Mpa pressure, and sintering at 600 ℃ for 3 hours to prepare Cu/Sc2W3O12Or mixing Al powder with Sc2W3O12According to the following steps: 9, pressing and molding under 10Mpa, and sintering at 300 ℃ for 3 hours to prepare Al/Sc2W3O12A composite material.
The supporting piece 7 comprises a supporting body 7-1 and a limiting piece 7-2; the limiting pieces 7-2 are arranged on two sides of the supporting body 7-1; one end of the support body 7-1 is fixedly connected with the inner sheath 5, and the other end is fixedly connected with the outer sheath 8; one end of the limiting piece 7-2 is fixedly connected with the inner sheath 5, and the other end of the limiting piece is abutted against the outer sheath 8, so that directional support of the support body 7-1 is realized, the directional extension stability of the outer sheath is ensured, and further the stability of heat dissipation is ensured; the support body 7-1 is made of a metal alloy material with a thermal expansion coefficient of 26 +/-1, so that the expansion degree is controllable, the outer sheath 8 cannot be damaged, and the magnesium alloy is preferably selected in the embodiment; the limiting body 7-2 is No. 45 steel, so that the support is stable, the fracture is not easy to occur, and the safety is improved.
The optical unit wire core 1 comprises an optical unit conductor 1-1 and an optical unit insulating layer 1-2 wrapped outside the optical unit conductor 1-1; the power wire core 2 comprises a power wire core conductor 2-1 and a power wire core insulating layer 2-2; the power core conductor 2-1 is stranded by tinned copper wires with the diameter of 0.8mm, so that the flexibility of the optical cable is ensured, and the optical cable is prevented from being oxidized and corroded in a severe environment; the optical unit insulating layer 1-2 is made of a PBT sleeve with the diameter of 3.0 mm; 12 optical fibers are distributed in the optical unit conductor 1-1 in a full-color-spectrum arrangement mode, and gaps are filled with fiber paste.
The central reinforcement 3 comprises an aviation steel wire rope 3-1 and a reinforcement insulating layer 3-2; the inner sheath 5 is made of nylon, the nylon has high mechanical strength, good toughness, high tensile strength and compressive strength, high softening point, heat resistance, smooth surface, small friction, wear resistance, excellent electrical property and good electrical insulation property, and the physical property and the electrical property of the optical cable are effectively improved; the material of oversheath 8 is rubber, and rubber has elasticity big, and electrical insulation is good, and wearability and drought resistance are good, and the processability is good, easily with the advantage of other material bonding, on the one hand conveniently with pull a bonding and support piece, on the other hand also conveniently extends under the control of pulling a bonding and support piece, and then increases the radiating efficiency of optical cable.
When the automatic heat dissipation photoelectric composite optical cable works, when current passes through the power core conductor 2-1, the temperature rises, when the temperature rises to a preset threshold value, the traction piece 6 is heated to contract to drive the outer sheath 8 to move inwards to form a groove for heat dissipation, meanwhile, the support body 7-1 is heated to extend the limiting piece 7-2 to expand to push the outer sheath 8 outwards to form a larger groove, heat dissipation is increased, and automatic and efficient heat dissipation is achieved.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An automatic heat dissipation photoelectric composite optical cable is characterized by comprising:
the cable comprises three optical unit wire cores (1), two power wire cores (2), a central reinforcing part (3), a cable filling layer (4), an inner sheath (5), four traction parts (6) with contractibility after being heated, four supporting parts (7) with expansibility after being heated, and an outer sheath (8) with ductility;
the three optical unit wire cores (1) and the two power wire cores (2) are arranged in five equal parts, and the central reinforcing part (3) is arranged in the gap to form a cable core; the cable filling layer (4) is arranged outside the cable; the inner sheath (5) is arranged outside the cable filling layer (4); the four traction pieces (6) are arranged outside the inner sheath (5) at equal intervals; a support part (7) is arranged between the adjacent traction parts (6); the outer sheath (8) is arranged outside the traction piece (6) and the support piece (7).
2. The automatic heat dissipation photoelectric composite optical cable according to claim 1, wherein: the traction piece (6) is made of rare earth tungstate.
3. The automatic heat dissipation photoelectric composite optical cable according to claim 1, wherein: the supporting piece (7) comprises a supporting body (7-1) and a limiting piece (7-2); the limiting pieces (7-2) are arranged on two sides of the supporting body (7-1); one end of the support body (7-1) is fixedly connected with the inner sheath (5), and the other end of the support body is fixedly connected with the outer sheath (8); one end of the limiting piece (7-2) is fixedly connected with the inner sheath (5), and the other end of the limiting piece is abutted to the outer sheath (8).
4. The automatic heat dissipation photoelectric composite optical cable according to claim 3, wherein: the support body (7-1) is made of a metal alloy material with the thermal expansion coefficient of 26 +/-1; the limiting body (7-2) is No. 45 steel.
5. The automatic heat dissipation photoelectric composite optical cable according to claim 1, wherein: the optical unit wire core (1) comprises an optical unit conductor (1-1) and an optical unit insulating layer (1-2) wrapping the outside of the optical unit conductor (1-1); the power wire core (2) comprises a power wire core conductor (2-1) and a power wire core insulating layer (2-2).
6. The automatic heat dissipation photoelectric composite optical cable according to claim 5, wherein: the power wire core conductor (2-1) is stranded by adopting a tinned copper wire with the diameter of 0.8 mm; the optical unit insulating layer (1-2) is made of a PBT sleeve with the diameter of 3.0 mm.
7. The automatic heat dissipation photoelectric composite optical cable according to claim 1, wherein: the central reinforcing part (3) comprises an aviation steel wire rope (3-1) and a reinforcing part insulating layer (3-2).
8. The automatic heat dissipation photoelectric composite optical cable according to claim 1, wherein: the inner sheath (5) is made of nylon; the outer sheath (8) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011082628.2A CN112051652A (en) | 2020-10-12 | 2020-10-12 | Automatic heat dissipation photoelectric composite optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011082628.2A CN112051652A (en) | 2020-10-12 | 2020-10-12 | Automatic heat dissipation photoelectric composite optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112051652A true CN112051652A (en) | 2020-12-08 |
Family
ID=73606156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011082628.2A Withdrawn CN112051652A (en) | 2020-10-12 | 2020-10-12 | Automatic heat dissipation photoelectric composite optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112051652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115407465A (en) * | 2022-07-27 | 2022-11-29 | 富通集团（嘉善）通信技术有限公司 | POF optical cable |
-
2020
- 2020-10-12 CN CN202011082628.2A patent/CN112051652A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115407465A (en) * | 2022-07-27 | 2022-11-29 | 富通集团（嘉善）通信技术有限公司 | POF optical cable |
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Application publication date: 20201208 |
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| WW01 | Invention patent application withdrawn after publication |