CN116598058B - Optical fiber ribbon cable and cable with bent power transmission unit - Google Patents
Optical fiber ribbon cable and cable with bent power transmission unit Download PDFInfo
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- CN116598058B CN116598058B CN202310876850.7A CN202310876850A CN116598058B CN 116598058 B CN116598058 B CN 116598058B CN 202310876850 A CN202310876850 A CN 202310876850A CN 116598058 B CN116598058 B CN 116598058B
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- transmission unit
- outer sheath
- insulating layer
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 325
- 239000013307 optical fiber Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims description 70
- 238000005452 bending Methods 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 22
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005622 photoelectricity Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 4
- 238000002224 dissection Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
-
- 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
- G02B6/4403—Optical cables with ribbon structure
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The application belongs to the technical field of photoelectricity, and discloses a band-shaped optical cable with a bent power transmission unit, which is provided with a cable core and an outer sheath (2), wherein the cable core is composed of three power transmission components (1); the method is characterized in that: the power transmission assembly consists of first to fourth power transmission units, the power transmission units are formed by two sections which form an angle of hundred twenty degrees with each other and are of symmetrical structures, the outer sheath consists of a sheath body and convex strips (21), grooves (22) are formed between adjacent convex strips (21), and a central cavity (23) is formed in the sheath (2); the fourth power transmission unit (14) is composed of an optical fiber ribbon and a fourth insulating layer (142), two ends of all the power transmission units are positioned in the grooves (22), and adjacent power transmission units in each power transmission assembly (1) are not contacted. The application also discloses a cable. The application has the following main beneficial technical effects: the multi-channel power transmission device has the advantages of simple structure, easy manufacture, excellent heat dissipation effect, high space utilization rate and capability of realizing multi-channel power transmission in the same cable.
Description
Technical Field
The application belongs to the technical field of photoelectricity, and particularly discloses a band-shaped optical cable with a bent power transmission unit and a cable.
Background
With the increasing number of power consumers, the requirements for the reliability of power supply and the requirement for completing multiple paths of power supply by one-time multi-path laying are increasing.
CN114898937a discloses a composite multi-core cable and a preparation method thereof, which belongs to the technical field of multi-core cables, the composite multi-core cable comprises a cable wire and a cable interface, the cable interface is arranged at an end point of the cable, the cable wire comprises a main wrapping pipe and a main wire, seven main wires are filled with insulating rubber, an anti-interference layer is wrapped at the outer side of each main wire, the main wrapping pipe is fixedly wrapped at the outer side of the anti-interference layer, the main wire comprises branch wires and auxiliary wrapping pipes, each branch wire comprises seven branch wires, shielding films are wrapped at the outer side of each branch wire, the auxiliary wrapping pipes are wrapped at the outer sides of the seven branch wires, and six arc-shaped petals are arranged at the outer sides of the sections of the branch wires.
CN219040119U discloses a multicore wire and cable, including cable core and oversheath layer, a plurality of the cable core all sets up in the inside of oversheath layer, a plurality of offset between the cable core is provided with first hot melt film, the inside of first hot melt film is filled has first fire-retardant granule, a plurality of the outside cover of cable core is equipped with fire-retardant layer, be provided with the waterproof layer between fire-retardant layer and the oversheath layer, a plurality of recesses have been seted up to the surface of oversheath layer, a plurality of the inside of recess is all the joint has the closing plate, a plurality of the inboard of closing plate is all fixed to be provided with the stopper, and a plurality of the stopper all contradicts with corresponding cable core, a plurality of all be provided with coupling mechanism between closing plate and the oversheath layer, a plurality of the inside of stopper all is provided with fire-retardant mechanism.
The above prior art has mainly the following drawbacks: (1) space utilization is to be improved; (2) the heat dissipation effect is to be improved; (3) the amount of the material to be used is to be reduced; (4) The convenience and reliability of manufacturing and maintenance are to be improved.
Disclosure of Invention
In order to solve the above problems, the present application aims to disclose a ribbon cable and a cable having a bent power transmission unit, which are realized by adopting the following technical solutions.
A band-shaped optical cable with a bent power transmission unit is provided with a cable core and an outer sheath positioned outside the cable core, wherein the cable core is composed of three power transmission components; the method is characterized in that: the power transmission assembly comprises a first power transmission unit, a second power transmission unit, a third power transmission unit and a fourth power transmission unit, wherein the first power transmission unit comprises a first conductor and a first insulating layer, the first insulating layer covers the first conductor, the first insulating layer comprises a first insulating side wall, a second insulating side wall and a third insulating side wall, the first insulating side wall and the second insulating side wall form an angle of hundred twenty degrees with each other, the outer edge of the third insulating side wall is a part of a cylindrical surface, the first power transmission unit is of a symmetrical structure, the second power transmission unit comprises a second conductor and a second insulating layer, the second insulating layer covers the second conductor, the second power transmission unit comprises two sections forming an angle of one hundred twenty degrees with each other, the second power transmission unit is of a symmetrical structure, the third power transmission unit comprises two sections forming an angle of one hundred twenty degrees with each other, the third power transmission unit is of a symmetrical structure, the fourth power transmission unit comprises an optical fiber ribbon and a fourth insulating layer, the fourth power transmission unit comprises two sections forming an angle of two hundred twenty degrees with each other, and the fourth power transmission unit comprises two sections forming a symmetrical structure; the outer sheath is composed of a sheath body and a plurality of raised strips, the outer sheath is of an integrated structure, the raised strips protrude from the inner wall of the sheath body to the center of the outer sheath, grooves are formed between adjacent raised strips, a central cavity is formed in the sheath, and the grooves are communicated with the central cavity; the two ends of all the first power transmission units, the second power transmission units, the third power transmission units and the fourth power transmission units are positioned in the grooves, straight lines formed at the bending positions of all the power transmission units in each power transmission assembly are in a first plane passing through the central axis of the outer sheath, the bending positions of all the power transmission units in each power transmission assembly face the same direction and face the center of the outer sheath, the distance between the bending positions of the fourth power transmission units in each power transmission assembly and the central axis of the outer sheath is minimum, the distance between the bending positions of the third power transmission units and the central axis of the outer sheath is second minimum, the distance between the bending positions of the second power transmission units and the central axis of the outer sheath is third minimum, the distance between the bending positions of the first power transmission units and the bending positions of the outer sheath are maximum, and adjacent power transmission units in each power transmission assembly are not contacted; the first planes of the three power transmission assemblies are at an angle of one hundred twenty degrees to each other.
A cable with a bent power transmission unit is provided with a cable core and an outer sheath positioned outside the cable core, wherein the cable core is composed of three power transmission components; the method is characterized in that: the power transmission assembly comprises a first power transmission unit, a second power transmission unit, a third power transmission unit and a fourth power transmission unit, wherein the first power transmission unit comprises a first conductor and a first insulating layer, the first insulating layer covers the first conductor, the first insulating layer comprises a first insulating side wall, a second insulating side wall and a third insulating side wall, the first insulating side wall and the second insulating side wall form an angle of hundred twenty degrees with each other, the outer edge of the third insulating side wall is a part of a cylindrical surface, the first power transmission unit is of a symmetrical structure, the second power transmission unit comprises a second conductor and a second insulating layer, the second insulating layer covers the second conductor, the second power transmission unit comprises two sections forming an angle of one hundred twenty degrees with each other, the second power transmission unit is of a symmetrical structure, the third power transmission unit comprises two sections forming an angle of one hundred twenty degrees with each other, the third power transmission unit is of a symmetrical structure, the fourth power transmission unit comprises a fourth conductor and a fourth insulating layer, the fourth power transmission unit comprises two sections forming an angle of one hundred twenty degrees with each other, and the fourth power transmission unit comprises two sections forming a four-hundred twenty-degrees of symmetrical structure; the outer sheath is composed of a sheath body and a plurality of raised strips, the outer sheath is of an integrated structure, the raised strips protrude from the inner wall of the sheath body to the center of the outer sheath, grooves are formed between adjacent raised strips, a central cavity is formed in the sheath, and the grooves are communicated with the central cavity; the two ends of all the first power transmission units, the second power transmission units, the third power transmission units and the fourth power transmission units are positioned in the grooves, straight lines formed at the bending positions of all the power transmission units in each power transmission assembly are in a first plane passing through the central axis of the outer sheath, the bending positions of all the power transmission units in each power transmission assembly face the same direction and face the center of the outer sheath, the distance between the bending positions of the fourth power transmission units in each power transmission assembly and the central axis of the outer sheath is minimum, the distance between the bending positions of the third power transmission units and the central axis of the outer sheath is second minimum, the distance between the bending positions of the second power transmission units and the central axis of the outer sheath is third minimum, the distance between the bending positions of the first power transmission units and the bending positions of the outer sheath are maximum, and adjacent power transmission units in each power transmission assembly are not contacted; the first planes of the three power transmission assemblies are at an angle of one hundred twenty degrees to each other.
The cable with a curved power transmission unit described above is characterized in that: the third insulating layer of the third power transmission unit is provided with a convex clamping part near the tail end, the convex strip of the outer sheath is provided with a concave clamping groove, and the clamping part can be clamped into the clamping groove.
The cable with a curved power transmission unit described above is characterized in that: the engagement member is intermittent or continuous.
The cable with a curved power transmission unit described above is characterized in that: at least a portion of the fourth conductor, the third conductor, and the second conductor are replaced with optical fiber ribbons, thereby forming an optical fiber ribbon cable having a curved power transmission unit.
The application has the following main beneficial technical effects: the multi-channel power transmission device has the advantages of simple structure, easy manufacture, excellent heat dissipation effect, high space utilization rate and capability of realizing multi-channel power transmission in the same cable.
Drawings
Fig. 1 is a schematic perspective view of a section of anatomy of example 1.
Fig. 2 is an enlarged schematic cross-sectional structure of fig. 1.
Fig. 3 is a schematic cross-sectional structure of the cable core in fig. 1.
Fig. 4 is a schematic perspective view of a section of the outer sheath of fig. 1 after dissection.
Fig. 5 is an enlarged schematic cross-sectional structure of fig. 4.
Fig. 6 is a schematic perspective view of a section of the third power transmission unit of embodiment 2 after dissection.
Fig. 7 is an enlarged schematic cross-sectional structure of fig. 6.
Fig. 8 is a partially enlarged schematic cross-sectional structure of the outer sheath of embodiment example 2.
Fig. 9 is a schematic perspective view of a section of the third power transmission unit of embodiment 3 after dissection.
Fig. 10 is a schematic cross-sectional structure of a power transmission unit used in embodiment example 4.
So that those skilled in the art can better understand and practice the present patent, reference will now be made in detail to the drawings, which are illustrated in the accompanying drawings.
In the figure: 1-transmission component, 2-outer sheath, 11-first transmission unit, 12-second transmission unit, 13-third transmission unit, 14-fourth transmission unit, 111-first conductor, 112-first insulating layer, 121-second conductor, 122-second insulating layer, 131-third conductor, 132-third insulating layer, 134-engaging member, 141-fourth conductor, 142-fourth insulating layer, 21-convex strip, 22-groove, 23-central cavity, 24-engaging groove, X11-optical fiber, X12-bonding sheath, X2-insulating sheath.
Detailed Description
Example 1
Referring to fig. 1 to 5, a cable with a curved power transmission unit has a cable core and an outer sheath 2 located outside the cable core, the cable core being composed of three power transmission components 1; the method is characterized in that: the power transmission assembly 1 is composed of a first power transmission unit 11, a second power transmission unit 12, a third power transmission unit 13 and a fourth power transmission unit 14, wherein the first power transmission unit 11 is composed of a first conductor 111 and a first insulating layer 112, the first insulating layer 112 covers the first conductor 111, the first insulating layer 112 is composed of a first insulating side wall, a second insulating side wall and a third insulating side wall, the first insulating side wall and the second insulating side wall form an angle of one hundred twenty degrees with each other, the outer edge of the third insulating side wall is a part of a cylindrical surface, the first power transmission unit 11 is of a symmetrical structure, the second power transmission unit 12 is composed of a second conductor 121 and a second insulating layer 122, the second insulating layer 122 covers the second conductor 121, the second power transmission unit 12 is composed of two sections forming an angle of one hundred twenty degrees with each other, the second power transmission unit 13 is composed of a third conductor 131 and a third insulating layer 132, the third insulating layer 132 covers the third conductor 131, the third unit 13 is composed of two sections forming an angle of one hundred twenty degrees with each other, the fourth unit 13 is composed of a fourth conductor 14 is composed of a fourth insulating layer 142 and the fourth power transmission unit 14 is composed of a fourth insulating layer 142 is composed of two sections forming an angle of two hundred twenty degrees with each other; the outer sheath 2 is composed of a sheath body and a plurality of raised strips 21, the outer sheath 2 is of an integrated structure, the raised strips 21 protrude from the inner wall of the sheath body to the center of the outer sheath 2, grooves 22 are formed between adjacent raised strips 21, a central cavity 23 is formed in the sheath 2, and the grooves 22 are communicated with the central cavity 23; both ends of all the first power transmission units 11, the second power transmission units 12, the third power transmission units 13 and the fourth power transmission units 14 are positioned in the grooves 22, straight lines formed at the bending positions of all the power transmission units in each power transmission assembly 1 are in a first plane passing through the central axis of the outer sheath 2, the bending positions of all the power transmission units in each power transmission assembly 1 face the same direction and face the center of the outer sheath 2, the distance between the bending positions of the fourth power transmission units 14 in each power transmission assembly 1 and the central axis of the outer sheath 2 is the smallest, the distance between the bending positions of the third power transmission units 13 and the central axis of the outer sheath 2 is the second smallest, the distance between the bending positions of the second power transmission units 12 and the central axis of the outer sheath 2 is the largest, and the adjacent power transmission units in each power transmission assembly 1 are not contacted; the first planes of the three power transmission assemblies 1 are at an angle of one hundred twenty degrees to each other.
In this embodiment all power transmission units are in the central cavity 23 except in the recess 22.
Example 2 of the embodiment
Please refer to fig. 6 to 8, and refer to fig. 1 to 5, a cable with a bent power transmission unit is basically the same as embodiment 1, except that: the third insulating layer 132 of the third power transmission unit 13 has a protruding engaging member 134 near the end, and the protruding strip 21 of the outer jacket 2 has a recessed engaging groove 24, so that the engaging member 134 can be engaged into the engaging groove 24.
The angle beta between the two segments of the third power transmission unit 13 is one hundred twenty degrees.
Of course, the present application is not limited to the third power transmission unit 13, and the fourth power transmission unit and the second power transmission unit may have engagement members, so that the power transmission unit and the outer sheath 2 can be more reliably fixed, and the embodiment 1 does not have engagement members, so long as the ridge 21 has a sufficient length, and can be completely and reliably fixed.
Of course, other structural forms are also possible, for example, the size of the groove 22 near the sheath body is larger, the size of the groove 22 gradually decreases toward the center of the outer sheath, and the size of the groove 22 near the tail end of the power transmission unit gradually increases toward the tail end, so that the tail end of the power transmission unit is clamped in the groove 22, and the groove 22 can firmly clamp the power transmission unit; and the like, not limited to the above-described fixing manner.
Example 3
Please refer to fig. 9, and refer to fig. 1 to 8, a cable with a bent power transmission unit, basically the same as embodiment 2, except that: the engaging member 134 is intermittent, and is continuous in embodiment 2.
Of course, in the present application, the power transmission module 1 is not limited to be constituted by the first power transmission unit 11, the second power transmission unit 12, the third power transmission unit 13, and the fourth power transmission unit 14, but may be constituted by two power transmission units, that is, any one or any two of the first power transmission unit 11 and the second to fourth power transmission units; it may also be constituted by the first power transmission unit 11, a plurality of other power transmission units having a shape similar to the second power transmission unit 12, the third power transmission unit 13, and the fourth power transmission unit 14.
In the present application, the present application is not limited to the embodiment of only three power transmission modules 1, but may be more power transmission modules 1, for example.
Example 4
Referring to fig. 1 to 5 and 10, a ribbon cable with a curved power transmission unit has a cable core and an outer sheath 2 outside the cable core, the cable core being composed of three power transmission components 1; the method is characterized in that: the power transmission assembly 1 is composed of a first power transmission unit 11, a second power transmission unit 12, a third power transmission unit 13 and a fourth power transmission unit 14, wherein the first power transmission unit 11 is composed of a first conductor 111 and a first insulating layer 112, the first insulating layer 112 covers the first conductor 111, the first insulating layer 112 is composed of a first insulating side wall, a second insulating side wall and a third insulating side wall, the first insulating side wall and the second insulating side wall form an angle of hundred twenty degrees with each other, the outer edge of the third insulating side wall is a part of a cylindrical surface, the first power transmission unit 11 is of a symmetrical structure, the second power transmission unit 12 is composed of a second conductor 121 and a second insulating layer 122, the second insulating layer 122 covers the second conductor 121, the second power transmission unit 12 is composed of two sections forming an angle of one hundred twenty degrees with each other, the second power transmission unit 13 is composed of a third conductor 131 and a third insulating layer 132, the third insulating layer 132 covers the third conductor 131, the third unit 13 is composed of two sections forming an angle of one hundred twenty degrees with each other, the third unit 13 is composed of a fourth power transmission unit 14 is composed of a fourth fiber transmission unit 142, and the fourth power transmission unit 14 is composed of a fourth fiber transmission unit 142 is composed of a symmetrical structure; the outer sheath 2 is composed of a sheath body and a plurality of raised strips 21, the outer sheath 2 is of an integrated structure, the raised strips 21 protrude from the inner wall of the sheath body to the center of the outer sheath 2, grooves 22 are formed between adjacent raised strips 21, a central cavity 23 is formed in the sheath 2, and the grooves 22 are communicated with the central cavity 23; both ends of all the first power transmission units 11, the second power transmission units 12, the third power transmission units 13 and the fourth power transmission units 14 are positioned in the grooves 22, straight lines formed at the bending positions of all the power transmission units in each power transmission assembly 1 are in a first plane passing through the central axis of the outer sheath 2, the bending positions of all the power transmission units in each power transmission assembly 1 face the same direction and face the center of the outer sheath 2, the distance between the bending positions of the fourth power transmission units 14 in each power transmission assembly 1 and the central axis of the outer sheath 2 is the smallest, the distance between the bending positions of the third power transmission units 13 and the central axis of the outer sheath 2 is the second smallest, the distance between the bending positions of the second power transmission units 12 and the central axis of the outer sheath 2 is the largest, and the adjacent power transmission units in each power transmission assembly 1 are not contacted; the first planes of the three power transmission assemblies 1 are at an angle of one hundred twenty degrees to each other.
The fourth conductor is replaced by the optical fiber ribbon, and the third conductor and the second conductor can be replaced by the optical fiber ribbon, or of course, only the second conductor is replaced by the optical fiber ribbon, or only the third conductor is replaced by the optical fiber ribbon, the optical fiber ribbon is composed of a plurality of optical fibers and a bonding layer which integrally covers the plurality of optical fibers, the plurality of optical fibers are arranged in a row, the adjacent optical fibers are not contacted with each other, the optical fibers are optical fibers in the prior art, such as common single-mode optical fibers or multimode optical fibers, the bonding layer is usually ultraviolet curing plastics, such as polyacrylic resin, and ultraviolet curing agents and the like are added into the bonding layer, and in this way, the transmission efficiency of the optical fiber in the same cable can be realized very conveniently, such as the conductors in the first power transmission unit 11, the optical fiber ribbon in the second power transmission unit 12, the third power transmission unit 13 and the fourth power transmission unit 14 is realized, and in this way, the power transmission part is positioned at the outermost part, the influence of heat on the optical transmission is reduced to the maximum extent; in addition, the lengths of the optical fiber tapes which can be accommodated in the second power transmission unit 12, the third power transmission unit 13 and the fourth power transmission unit 14 with different lengths are different, namely the number of the optical fibers in the optical fiber tapes is different, so that the use requirements of different users can be met, for example, the corresponding power transmission units can be pulled out after grooves are cut, the construction is greatly facilitated, and compared with the skeleton type optical cable in the prior art, the utilization of the central cavity in the application reaches a very high proportion.
As shown in fig. 10, the optical fiber ribbon is formed by a plurality of optical fibers X11 and a bonding protection layer X12 covering all the optical fibers X11, a cavity is formed in the insulation protection layer X2, the optical fiber ribbon is positioned in the cavity, the insulation protection layer X2 is formed by a first section and a second section, the first section and the second section are both straight, an included angle of 120 degrees is formed between the first section and the second section, namely, the power transmission unit is bent, fig. 10 illustrates the power transmission unit by way of example, and can refer to a second power transmission unit, a third power transmission unit and a fourth power transmission unit, compared with the prior art, the insulation protection layer X2 is in a one-piece structure formed by extrusion molding, the length of the insulation protection layer X2 is elongated, more optical fibers can be accommodated, namely, the fiber core density of the optical fibers can be greatly improved, the type of the optical fibers X11 can be g.652 or g.654 or g.655 or g.656 or g.657 or A1b or A1d or A1e, the insulation protection layer X2 is the material covering the optical fibers, and the adjacent optical fibers are not in contact with each other.
In the present application, the sheath body and the protruding strip 21 are formed by extrusion molding once.
Of course, in the present application, the shape of the second, third and fourth power transmission units may be other shapes, not limited to the above-described bent shape, but may be any structure that can be foreseen as a part of a circular column or the like, but all the power transmission units are not in contact with each other and face the same direction in the same power transmission assembly 1.
Of course, in the present application, the adjacent power transmission units are not limited to the above-described case with gaps, and other materials such as insulators, heat sinks, supporters, etc. may be filled in the gaps, so that desired performances may be achieved.
The cable with the bent power transmission unit is characterized in that: the cross-sectional area of the first conductor 111, the cross-sectional area of the second conductor 121, the cross-sectional area of the third conductor 131, and the cross-sectional area of the fourth conductor 141 are equal.
The cable with the bent power transmission unit is characterized in that: the material of the outer sheath 2 is plastic.
The cable with the bent power transmission unit is characterized in that: the material of the first conductor 111 is copper or aluminum or an alloy.
The cable with the bent power transmission unit is characterized in that: the material of the second conductor 121 is copper or aluminum or an alloy.
The cable with the bent power transmission unit is characterized in that: the material of the third conductor 131 is copper or aluminum or an alloy.
The cable with the bent power transmission unit is characterized in that: the material of the fourth conductor 141 is copper or aluminum or an alloy.
The cable with the bent power transmission unit is characterized in that: the material of the first insulating layer 112 is plastic.
The cable with the bent power transmission unit is characterized in that: the material of the second insulating layer 122 is plastic.
The cable with the bent power transmission unit is characterized in that: the material of the third insulating layer 132 is plastic.
The cable with the bent power transmission unit is characterized in that: the material of the fourth insulating layer 142 is plastic.
The cable with the bent power transmission unit is characterized in that: the material of the engaging member 134 is plastic.
The cable with the bent power transmission unit is characterized in that: the material of the ridge 21 is plastic.
In the present application, all power transmission units in three power transmission assemblies 1 may form a power transmission part, for example, four power transmission units in embodiment 1 form a three-phase four-wire system or two-way two-phase power, or corresponding power transmission units in different power transmission assemblies 1 may form a power transmission part, for example, a first power transmission unit 11 in three power transmission assemblies 1 forms a three-phase line, a second power transmission unit 12 in three power transmission assemblies 1 forms another three-phase line, a third power transmission unit 13 in three power transmission assemblies 1 forms another three-phase line, a fourth power transmission unit 14 in three power transmission assemblies 1 forms another three-phase line, and so on; for example, different power transmission units in the same power transmission assembly adopt different colors, and corresponding power transmission units in different power transmission assemblies also adopt different colors, so that the use and identification are greatly facilitated.
In the present application, modifications may be made to the ribbon cable, such as modifications to embodiment 1, and correspondingly, embodiments 2, 3, etc. may be modified according to the embodiments of the other embodiments.
In the application, the length of the fourth insulating layer is larger than that of the third insulating layer, the length of the third insulating layer is larger than that of the second insulating layer, and the length of the second insulating layer is larger than that of the first insulating layer; in the present application, the optical fiber ribbon may be provided in part of the fourth insulating layer, part of the third insulating layer, and part of the second insulating layer.
In the application, the gaps between the power transmission units enable the heat dissipation effect to be better, the heat generated when the same conductor cross section area transmits larger current is less than that of a common cable, so the power transmission capacity is stronger, the conductor cross section area can be smaller from the other side surface, the same power can be transmitted under the same heat generation, so the heat dissipation effect is better, the material consumption is less, and the cost is lower.
In the application, the power transmission unit is easy to store, and the whole cable is easy to form or assemble, and complex equipment is not needed.
In the present application, the first power transmission unit 11 is restrained or sandwiched by the adjacent convex strips 21, and the convex strips 21 at other relative positions are not required to be sandwiched, so that the first power transmission unit 11 can be taken out and put in the first power transmission unit 11 quite conveniently.
The cable of the application is easy to manufacture and uses less equipment. In the application, because of the existence of the insulating layers, only a small gap is formed between the actually adjacent insulating layers, and only the heat dissipation effect is slightly poor.
The second, third and fourth power transmission units are all of a bent structure and are provided with a plurality of conductors, so that the multi-core power cable with the bent power transmission units is called as a multi-core power cable with the bent power transmission units, the bent structure not only utilizes space more reasonably, but also stretches/evenly distributes the conductors inside through bending, so that the heat dissipation effect is better, the conductors are of a sheet-shaped structure or a flat structure woven by a plurality of strands of conductor wires into a net shape, and the multi-core power cable can also be realized by adopting a sheet-shaped structure or a structure with a plurality of sheets stacked.
In the present application, both ends of the first power transmission unit 11, the second power transmission unit 12, the third power transmission unit 13, and the fourth power transmission unit 14 are positioned in the groove 22, but the second power transmission unit 12, the third power transmission unit 13, and the fourth power transmission unit 14 can always be kept in a curved shape.
The application has the following main beneficial technical effects: the multi-channel power transmission device has the advantages of simple structure, easy manufacture, excellent heat dissipation effect, high space utilization rate and capability of realizing multi-channel power transmission in the same cable.
The above-described embodiments are only preferred embodiments of the present application, and should not be construed as limiting the present application. The protection scope of the present application is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this application are also within the scope of the application.
Claims (9)
1. A kind of optical fiber ribbon cable with power transmission unit of bending, have cable core and outer sheath (2) located outside cable core, the cable core is formed by three power transmission assemblies (1); the method is characterized in that: the power transmission assembly (1) is composed of a first power transmission unit (11), a second power transmission unit (12), a third power transmission unit (13) and a fourth power transmission unit (14), the first power transmission unit (11) is composed of a first conductor (111) and a first insulating layer (112), the first insulating layer (112) covers the first conductor (111), the first insulating layer (112) is composed of a first insulating side wall, a second insulating side wall and a third insulating side wall, the first insulating side wall and the second insulating side wall form an angle of one hundred twenty degrees with each other, the outer edge of the third insulating side wall is a part of a cylindrical surface, the first power transmission unit (11) is in a symmetrical structure, the second power transmission unit (12) is composed of a second conductor (121) and a second insulating layer (122), the second insulating layer (122) covers the second conductor (121), the second power transmission unit (12) is composed of two sections forming an angle of one hundred twenty degrees with each other, the second power transmission unit (12) is in a symmetrical structure, the third power transmission unit (13) is composed of a third conductor (131), the third insulating layer (132) and the third insulating layer (132) is composed of a third insulating layer (132) and the fourth power transmission unit (13) is in a symmetrical structure, the fourth power transmission unit (14) is composed of a second conductor (121) and the second insulating layer (13) is in a symmetrical structure, the fourth power transmission unit (14) is composed of two sections which form an angle of one hundred twenty degrees, and the fourth power transmission unit (14) is of a symmetrical structure; the outer sheath (2) is composed of a sheath body and a plurality of raised strips (21), the outer sheath (2) is of an integrated structure, the raised strips (21) protrude from the inner wall of the sheath body to the center of the outer sheath (2), grooves (22) are formed between adjacent raised strips (21), a central cavity (23) is formed in the sheath (2), and the grooves (22) are communicated with the central cavity (23); the two ends of all the first power transmission units (11), the second power transmission units (12), the third power transmission units (13) and the fourth power transmission units (14) are all positioned in the groove (22), straight lines formed at the bending positions of all the power transmission units in each power transmission assembly (1) are all in a first plane passing through the central axis of the outer sheath (2), the bending positions of all the power transmission units in each power transmission assembly (1) face the same direction and face the center of the outer sheath (2), the distance between the bending positions of the fourth power transmission units (14) in each power transmission assembly (1) and the central axis of the outer sheath (2) is minimum, the distance between the bending positions of the third power transmission units (13) and the central axis of the outer sheath (2) is second minimum, the distance between the bending positions of the second power transmission units (12) and the central axis of the outer sheath (2) is third minimum, the distance between the bending positions of the first power transmission units (11) and the central axis of the outer sheath (2) is maximum, and adjacent power transmission units in each power transmission assembly (1) are not contacted; the first planes of the three power transmission assemblies (1) are mutually at an angle of hundred twenty degrees;
a protruding clamping part (134) is arranged at the position, close to the tail end, of the third insulating layer (132) of the third power transmission unit (13), a concave clamping groove (24) is arranged on the convex strip (21) of the outer sheath (2), and the clamping part (134) can be clamped into the clamping groove (24).
2. A fiber optic ribbon cable having curved power transmission units as claimed in claim 1, wherein: the material of the outer sheath (2) is plastic.
3. A fiber optic ribbon cable having curved power transmission units as claimed in claim 2, wherein: the material of the raised strips (21) is plastic; the sheath body and the protruding strips (21) are formed by extrusion molding once.
4. A cable with a curved power transmission unit comprises a cable core and an outer sheath (2) positioned outside the cable core, wherein the cable core is composed of three power transmission components (1); the method is characterized in that: the power transmission assembly (1) is composed of a first power transmission unit (11), a second power transmission unit (12), a third power transmission unit (13) and a fourth power transmission unit (14), the first power transmission unit (11) is composed of a first conductor (111) and a first insulating layer (112), the first insulating layer (112) covers the first conductor (111), the first insulating layer (112) is composed of a first insulating side wall, a second insulating side wall and a third insulating side wall, the first insulating side wall and the second insulating side wall form an angle of one hundred twenty degrees with each other, the outer edge of the third insulating side wall is a part of a cylindrical surface, the first power transmission unit (11) is in a symmetrical structure, the second power transmission unit (12) is composed of a second conductor (121) and a second insulating layer (122), the second insulating layer (122) covers the second conductor (121), the second power transmission unit (12) is composed of two sections forming an angle of one hundred twenty degrees with each other, the second power transmission unit (12) is in a symmetrical structure, the third power transmission unit (13) is composed of a third conductor (131), the third insulating layer (132) and the third insulating unit (132) is composed of a third conductor (13) and the fourth power transmission unit (13) is in a symmetrical structure, the fourth power transmission unit (13) is composed of two sections forming a symmetrical structure, the fourth insulating layer (142) covers the fourth conductor (141), the fourth power transmission unit (14) is composed of two sections which form an angle of one hundred twenty degrees, and the fourth power transmission unit (14) is of a symmetrical structure; the outer sheath (2) is composed of a sheath body and a plurality of raised strips (21), the outer sheath (2) is of an integrated structure, the raised strips (21) protrude from the inner wall of the sheath body to the center of the outer sheath (2), grooves (22) are formed between adjacent raised strips (21), a central cavity (23) is formed in the sheath (2), and the grooves (22) are communicated with the central cavity (23); the two ends of all the first power transmission units (11), the second power transmission units (12), the third power transmission units (13) and the fourth power transmission units (14) are all positioned in the groove (22), straight lines formed at the bending positions of all the power transmission units in each power transmission assembly (1) are all in a first plane passing through the central axis of the outer sheath (2), the bending positions of all the power transmission units in each power transmission assembly (1) face the same direction and face the center of the outer sheath (2), the distance between the bending positions of the fourth power transmission units (14) in each power transmission assembly (1) and the central axis of the outer sheath (2) is minimum, the distance between the bending positions of the third power transmission units (13) and the central axis of the outer sheath (2) is second minimum, the distance between the bending positions of the second power transmission units (12) and the central axis of the outer sheath (2) is third minimum, the distance between the bending positions of the first power transmission units (11) and the central axis of the outer sheath (2) is maximum, and adjacent power transmission units in each power transmission assembly (1) are not contacted; the first planes of the three power transmission assemblies (1) are mutually at an angle of hundred twenty degrees;
a protruding clamping part (134) is arranged at the position, close to the tail end, of the third insulating layer (132) of the third power transmission unit (13), a concave clamping groove (24) is arranged on the convex strip (21) of the outer sheath (2), and the clamping part (134) can be clamped into the clamping groove (24).
5. A cable with curved power transmission unit according to claim 4, characterized in that: the engagement member (134) is intermittent or continuous.
6. A cable with curved power transmission unit according to claim 4 or claim 5, characterized in that: the cross-sectional area of the first conductor (111), the cross-sectional area of the second conductor (121), the cross-sectional area of the third conductor (131), and the cross-sectional area of the fourth conductor (141) are equal.
7. A cable with curved power transmission unit according to claim 6, characterized in that: the first conductor (111) is copper or aluminum or an alloy, the second conductor (121) is copper or aluminum or an alloy, the third conductor (131) is copper or aluminum or an alloy, and the fourth conductor (141) is copper or aluminum or an alloy.
8. A cable with curved power transmission unit according to claim 7, characterized in that: the material of the first insulating layer (112), the material of the second insulating layer (122), the material of the third insulating layer (132) and the material of the fourth insulating layer (142) are all plastics.
9. A cable with curved power transmission unit according to claim 8, characterized in that: the material of the outer sheath (2) is plastic.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310876850.7A CN116598058B (en) | 2023-07-18 | 2023-07-18 | Optical fiber ribbon cable and cable with bent power transmission unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310876850.7A CN116598058B (en) | 2023-07-18 | 2023-07-18 | Optical fiber ribbon cable and cable with bent power transmission unit |
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| CN116598058B true CN116598058B (en) | 2023-09-12 |
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| CN202310876850.7A Active CN116598058B (en) | 2023-07-18 | 2023-07-18 | Optical fiber ribbon cable and cable with bent power transmission unit |
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| CN117348180B (en) * | 2023-10-13 | 2024-04-09 | 常熟闪通电力科技有限公司 | Optical ribbon cable and ribbon cable |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5177809A (en) * | 1990-12-19 | 1993-01-05 | Siemens Aktiengesellschaft | Optical cable having a plurality of light waveguides |
| CN202549441U (en) * | 2012-03-20 | 2012-11-21 | 安徽恒晶电缆集团有限公司 | Polyolefin-insulated and sheathed fireproof power cable |
| CN113985548A (en) * | 2021-01-23 | 2022-01-28 | 常熟高通智能装备有限公司 | Optical fiber ribbon cable |
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2023
- 2023-07-18 CN CN202310876850.7A patent/CN116598058B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5177809A (en) * | 1990-12-19 | 1993-01-05 | Siemens Aktiengesellschaft | Optical cable having a plurality of light waveguides |
| CN202549441U (en) * | 2012-03-20 | 2012-11-21 | 安徽恒晶电缆集团有限公司 | Polyolefin-insulated and sheathed fireproof power cable |
| CN113985548A (en) * | 2021-01-23 | 2022-01-28 | 常熟高通智能装备有限公司 | Optical fiber ribbon cable |
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