CN116665981A - Butterfly-shaped optical cable with bending optical fiber ribbon, ribbon-shaped optical cable and power cable - Google Patents
Butterfly-shaped optical cable with bending optical fiber ribbon, ribbon-shaped optical cable and power cable Download PDFInfo
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- CN116665981A CN116665981A CN202310945596.1A CN202310945596A CN116665981A CN 116665981 A CN116665981 A CN 116665981A CN 202310945596 A CN202310945596 A CN 202310945596A CN 116665981 A CN116665981 A CN 116665981A
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Classifications
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- 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
- G02B6/4404—Multi-podded
-
- 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
- G02B6/441—Optical cables built up from sub-bundles
-
- 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
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/003—Power cables including electrical control or communication wires
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The invention belongs to the technical field of cables and electric power, and discloses a butterfly-shaped optical cable with a bent optical fiber ribbon, which is provided with a plurality of optical fiber ribbons, four power transmission parts, a butterfly-shaped introducing unit and a protective layer; the method is characterized in that: the shell part is square in cross section and consists of four identical first shells and a central body; the power transmission component is positioned in the first shell, the optical fiber ribbon is in a bent shape, the optical fiber ribbon is positioned in a bent cavity formed by the adjacent first shells, and the butterfly-shaped introducing unit is positioned in a central cavity of the central body; the protective layer is coated outside the shell component. The invention also discloses a ribbon cable and a power cable with the bent optical fiber ribbon. The invention has the following main beneficial technical effects: the fiber core density is higher, the photoelectric simultaneous transmission can be realized in the same cable, the structure is simple and compact, the manufacture is easy, the space utilization rate is higher, the power transmission capacity is stronger, and the power transmission mode is more flexible.
Description
Technical Field
The invention belongs to the technical field of cables and power, and particularly discloses a butterfly-shaped optical cable with a bent optical fiber ribbon, a band-shaped optical cable and a power cable.
Background
With the rapid development of broadband technology, the demand for optical cables with high core density, small size or compact structure is increasing, and at the same time, the use of butterfly-shaped drop cables is increasing, and in addition, the need for the ability to simultaneously transmit power is also increasing.
CN115079361a discloses a butterfly-shaped lead-in optical cable for pipeline with square cross section, which is provided with a protective shell, a butterfly-shaped unit and two reinforcing components, and is characterized in that: the protection shell is square in cross section, the inside of the protection shell is provided with a containing cavity and a pair of inner convex parts, and the reinforcing parts are positioned in the inner convex parts; the butterfly unit consists of a butterfly sheath, two reinforcing pieces and an optical fiber; the butterfly unit is located the holding intracavity, and the plane that the axis of two reinforcements is located bisects the first plane of symmetry of butterfly unit, and first plane of symmetry passes through the roof line of another pair of apex angles in the inside of protection casing. The method has the following beneficial technical effects: can be placed in square pipelines, and can further reduce space occupation, more efficiently utilize pipeline space, more compact structure, higher material utilization rate and lower cost.
CN204440972U discloses an MDAS-specific optical cable with a butterfly-shaped optical cable and a power cord; the optical fiber unit and the reinforcing rib are wrapped in the butterfly-shaped optical cable outer sheath; the power line and the butterfly-shaped optical cable are wrapped and fixed by a wrapping belt after being stranded into a bundle; the outer periphery of the wrapping band is wrapped by an optical cable jacket; the space between the power line and the butterfly-shaped optical cable after being stranded into a bundle is additionally provided with filling ropes, the number of the optical fiber units is 1, 2 or more, and the types of the optical fiber units can be single optical fibers, optical fiber bundles or optical fiber belts. The optical cable and the power line are organically combined together, and the tight connection is enhanced through the auxiliary unit, so that the synchronous laying of the optical cable and the power line is realized, the construction efficiency is improved, the construction cost is saved, the tensile property is excellent, the mechanical property is good, and the service performance and the service life are improved.
Although the above prior art achieves the functions of transmitting both electric power and optical signals in the same cable, it has the following drawbacks: 1. the core density of the optical fiber is not high enough, and the increase of the core density can only be realized by replacing the optical fiber with an optical fiber ribbon in the butterfly-shaped optical cable, however, the capacity of expanding the core density in this way is relatively weak; 2. multiple paths of electric power cannot be transmitted simultaneously in the same cable, and the cable cannot be used for three-phase line, three-phase four-wire system power transmission; 3. the compactness of the structure is to be further improved.
CN217933278U discloses a photoelectric hybrid cable of easy separation wiring, including inner sheath and oversheath, the inner sheath comprises left inner sheath and right inner sheath, is equipped with convex optical fiber ribbon in the left inner sheath, is equipped with the electric wire in the right inner sheath, and the centre of a circle department of left inner sheath and right inner sheath all inwards caves in and forms the pore canal, the oversheath cladding comprises left oversheath and right oversheath in the outside of oversheath, and the upper and lower tip of left oversheath is equipped with the mortise, and the upper and lower tip of right oversheath is equipped with the tenon, and the tip of tenon is equipped with down protruding, and the tip of mortise is equipped with the upper arch, and the tenon inserts the mortise, upper arch and lower protruding joint realize the zonulae occludens of left oversheath and right oversheath. The inner sheath and the outer sheath are respectively of a split structure, the left inner sheath is embedded with optical fibers, the right inner sheath is embedded with conductive wires which are independent of each other, and the influence of the conductive wires on the optical fibers during wiring is avoided; the left inner sheath and the right inner sheath can be easily separated by using the hole groove in the inner sheath.
CN114927282a discloses an optical fiber ribbon cable with a curved sleeve, which is provided with a reinforcing member, a plurality of insulated wires, a plurality of optical fiber ribbons, a plurality of curved sleeves, a protective layer and an outer sheath, wherein the optical fiber ribbons are composed of a plurality of optical fibers and a bonding layer for wrapping all the optical fibers, all the curved sleeves are symmetrically distributed outside the reinforcing member, and the protective layer wraps all the curved sleeves, and the outer sheath is positioned outside the protective layer; the method is characterized in that: the optical fiber ribbon and the insulated wire which are bent in the bending sleeve are positioned at the lower part of the bending sleeve and are attached to the reinforcing piece, and the bending sleeve has the following main beneficial technical effects: the electric power and optical signals are transmitted by the same cable, the construction is faster, the diameter is smaller, the loose tube is more convenient to replace, the material consumption is less, the cost is lower, and the manufacture is easier.
Although the two prior arts have the bent optical fiber ribbon, the bent optical fiber ribbon is not suitable for being placed in an optical cable with a rectangular or square cross section, and when the bent optical fiber ribbon is placed in the optical cable, space saving cannot be achieved, and space is reasonably utilized, and the prior arts do not have the teaching of simultaneously transmitting multiple power paths or transmitting three-phase four-wire power.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a butterfly-shaped optical cable with a bent optical fiber ribbon, a ribbon-shaped optical cable and a power cable, which are realized by adopting the following technical scheme.
A butterfly-shaped optical cable with crooked optical fiber ribbon, has optical fiber ribbon, four transmission of electricity parts, butterfly-shaped introducing unit, protective layer, its characterized in that: the shell part is of an integrated structure, the cross section of the shell part is square, the shell part consists of four identical first shells and a central body, the first shells consist of a first wall body, a second wall body, a third wall body and a fourth wall body, the first wall body and the second wall body are mutually perpendicular, two ends of the third wall body are respectively connected with non-right-angle ends of the first wall body and the second wall body, the third wall body is a bent wall body, the third wall body is bent in a direction far away from a right angle, the other end of the fourth wall body is connected with the non-right-angle end of the first wall body, and one end of the fourth wall body extends in a direction far away from the right angle; the central body is of a quadrangular prism structure with four curved sides, the curved sides are recessed towards the center of the central body, a central cavity is formed in the central body, and one end of a fourth wall of each first shell is connected with one edge of the central body; the four first shells are respectively positioned at four corners of a square, in the clockwise direction, the previous first shell rotates ninety degrees clockwise relative to the current first shell in the adjacent first shells, a bending cavity is formed between the adjacent first shells, two side surfaces forming each bending cavity are bending surfaces, and the two bending surfaces are parallel; the optical fiber ribbon is bent, the optical fiber ribbon is positioned in the bending cavity, and the butterfly-shaped introducing unit is positioned in the central cavity; the protective layer is coated outside the shell component.
The butterfly-shaped optical cable with the bent optical fiber ribbon comprises four optical fiber ribbons, four power transmission components, a butterfly-shaped introducing unit and a protective layer, wherein the power transmission components are composed of conductors and an insulating layer, the insulating layer is coated outside the conductors, the butterfly-shaped introducing unit is composed of an optical fiber, two reinforcing pieces and a butterfly-shaped sheath, the optical fiber and the two reinforcing pieces are integrally coated by the butterfly-shaped sheath, the two reinforcing pieces are respectively positioned on the upper side and the lower side of the optical fiber, and tearing openings which are sunken towards the direction of the optical fiber are formed in the butterfly-shaped sheaths on the left side and the right side of the optical fiber; the method is characterized in that: the cross section of the shell part is square, the shell part consists of four identical first shells and a central body, the first shells consist of a first wall body, a second wall body, a third wall body and a fourth wall body, the other end of the first wall body is connected with one end of the second wall body, the other end of the second wall body is connected with one end of the third wall body, the other end of the third wall body is connected with one end of the first wall body, the other end of the fourth wall body is connected with one end of the first wall body, the first wall body and the second wall body are all vertical to each other, the third wall body is a curved wall body, the curved direction of the third wall body is far away from the included angle between the first wall body and the second wall body, one end of the fourth wall body extends towards the direction far away from the included angle between the first wall body and the second wall body, the first wall body, the second wall body and the third wall body enclose a first containing cavity, the central body is of a quadrangular prism structure, each prism angle of the central body is missing, four side surfaces of the central body are curved surfaces, the side surfaces of the central body are recessed towards the central direction of the central body, a central cavity is formed in the central body, one end of a fourth wall body of each first shell is connected with one edge of the central body, shell parts are of an integrated structure, a bending cavity is formed between the adjacent first shells and the central body, two side surfaces forming each bending cavity are bending surfaces, two side surfaces forming each bending cavity are parallel, the plane of the upper and lower bisecting shell parts is called a horizontal bisecting plane, the plane of the left and right bisecting shell parts is called a vertical bisecting plane, the structure of the upper bending cavity which is symmetrical about the horizontal bisecting plane and then symmetrical about the vertical bisecting plane is overlapped with the lower bending cavity, the lower bending cavity is symmetrical about the horizontal bisection plane and then coincides with the upper bending cavity, the left bending cavity is symmetrical about the vertical bisection plane and then coincides with the right bending cavity, and the right bending cavity is symmetrical about the vertical bisection plane and then coincides with the left bending cavity; the outer edge of the insulating layer is provided with a structure corresponding to the first accommodating cavities, the power transmission components are positioned in the first accommodating cavities, and only one power transmission component is arranged in each first accommodating cavity; the optical fiber ribbon comprises a plurality of optical fibers and a bonding layer, all the optical fibers are covered by the bonding layer, the optical fiber ribbon is bent, the first end face of the optical fiber ribbon and the second end face of the optical fiber ribbon are all plane, the shape of the outer edge of the optical fiber ribbon corresponds to that of a bending cavity, the optical fiber ribbon is positioned in the bending cavity, the first end face of the optical fiber ribbon is positioned at the opening of the bending cavity, and any one side face of the shell component is provided with the optical fiber ribbon: the outer edge of the first wall body and the outer edge of the second wall body are in the same plane, and the first end face of the optical fiber ribbon does not exceed the outer edge of the first wall body; the butterfly-shaped introducing unit is positioned in the central cavity; the protective layer is coated outside the shell component.
The butterfly-shaped optical cable with the bent optical fiber ribbon comprises four optical fiber ribbons, four power transmission components, a butterfly-shaped introducing unit and a protective layer, wherein the power transmission components are composed of conductors and an insulating layer, the insulating layer is coated outside the conductors, the butterfly-shaped introducing unit is composed of an optical fiber, two reinforcing pieces and a butterfly-shaped sheath, the optical fiber and the two reinforcing pieces are integrally coated by the butterfly-shaped sheath, the two reinforcing pieces are respectively positioned on the upper side and the lower side of the optical fiber, and tearing openings which are sunken towards the direction of the optical fiber are formed in the butterfly-shaped sheaths on the left side and the right side of the optical fiber; the method is characterized in that: the shell part is square in cross section and is formed by splicing two identical first shells and two identical second shells; the first shell is composed of a first wall body, a second wall body, a third wall body, a fourth wall body and a first central component, the other end of the first wall body is connected with one end of the second wall body, the other end of the second wall body is connected with one end of the third wall body, the other end of the third wall body is connected with one end of the first wall body, the first wall body and the second wall body are all straight wall bodies and mutually perpendicular, the third wall body is a curved wall body, the bending direction of the third wall body is far away from the included angle between the first wall body and the second wall body, one end of the fourth wall body extends towards the direction far away from the included angle between the first wall body and the second wall body, the first wall body, the second wall body and the third wall body enclose a first accommodating cavity, one end of the fourth wall body of the first shell is connected with the other end of the first central component, the outer edge of the fourth wall body is connected with the outer edge of the first central component, the inner edge of the first central part is connected with the inner edge of the fourth wall body, the first side edge of the first central part is connected with the inner edge of the first central part, the second side edge of the first central part is connected with the first side edge of the first central part, the third side edge of the first central part is connected with the outer edge of the first central part, the outer edge of the fourth wall body and the outer edge of the first central part are all curved, no inflection point exists at the joint of the outer edge of the fourth wall body and the outer edge of the first central part, the second side edge of the first central part is of a curved arc-shaped structure and is recessed towards one end direction of the fourth wall body of the first shell, the inner edge of the first central part is of a curved arc-shaped structure, and the inner edge of the first central part is parallel to the outer edge of the third wall body; the second shell is composed of a fifth wall body, a sixth wall body, a seventh wall body, an eighth wall body and a second central part, wherein the other end of the fifth wall body is connected with one end of the sixth wall body; two first casings set up diagonally, and two second casings set up diagonally, and in first casing and the first second casing: the outer edge of the eighth wall body of the first second shell, the outer edge of the second central part of the first second shell and the inner edge of the first central part of the first shell are spliced to form a first curved wall body, and a first curved cavity is formed between the first curved wall body and the outer edge of the third wall body of the first shell; the first shell and the second shell are as follows: the outer edge of the fourth wall body of the first shell, the outer edge of the first central part of the first shell and the inner edge of the second central part of the second shell are spliced to form a second curved wall body, and a second curved cavity is formed between the outer edge of the seventh wall body of the second shell and the second curved wall body; the second first shell and the first second shell are as follows: the inner edge of the second central part of the first second shell, the outer edge of the fourth wall of the second first shell and the outer edge of the first central part of the second first shell are spliced to form a fourth curved wall, and a fourth curved cavity is formed between the fourth curved wall and the outer edge of the seventh wall of the first second shell; the second first housing and the second housing: the inner edge of the fourth wall body of the second first shell, the outer edge of the eighth wall body of the second shell and the outer edge of the second center part of the second shell are spliced to form a third curved wall body, and a third curved cavity is formed between the outer edge of the seventh wall body of the second shell and the third curved wall body; the first bending cavity, the second bending cavity, the third bending cavity and the fourth bending cavity are of equal shapes; the second side edges of the first central parts of the two first shells and the second side edges of the second central parts of the two second shells are spliced to form a closed central cavity; the first second shell and two adjacent first shells: the third side edge of the second center part of the first second shell is clung to the first side edge of the first center part of the first shell, and the first side edge of the second center part of the first second shell is clung to the third side edge of the first center part of the second first shell; the second shell and two adjacent first shells: the third side edge of the second center part of the second shell is clung to the first side edge of the first center part of the second first shell, and the first side edge of the second center part of the second shell is clung to the third side edge of the first center part of the first shell; the plane of the upper and lower bisecting shell parts is called a horizontal bisecting plane, the plane of the left and right bisecting shell parts is called a vertical bisecting plane, the first bending cavity is symmetrical about the horizontal bisecting plane and then is overlapped with the third bending cavity, the third bending cavity is symmetrical about the horizontal bisecting plane and then is overlapped with the first bending cavity, the fourth bending cavity is symmetrical about the vertical bisecting plane and then is overlapped with the second bending cavity, and the second bending cavity is symmetrical about the vertical bisecting plane and then is overlapped with the fourth bending cavity; the outer edge of the insulating layer is provided with a structure corresponding to the first accommodating cavities, the power transmission components are positioned in the first accommodating cavities, and only one power transmission component is arranged in each first accommodating cavity; the optical fiber ribbon comprises a plurality of optical fibers and a bonding layer, all the optical fibers are covered by the bonding layer, the optical fiber ribbon is bent, the first end face of the optical fiber ribbon and the second end face of the optical fiber ribbon are all plane, the outer edge shape of the optical fiber ribbon corresponds to the shape of a bending cavity, the optical fiber ribbon is positioned in the first bending cavity, the second bending cavity, the third bending cavity and the fourth bending cavity, the first end face of the optical fiber ribbon is positioned at the opening of the bending cavity, and any one side face of the shell component is provided with: the first end face of the optical fiber ribbon does not extend beyond the outer edge of the housing member; the butterfly-shaped introducing unit is positioned in the central cavity; the protective layer is coated outside the shell component.
A fiber optic ribbon cable having a curved fiber optic ribbon substantially as hereinbefore described with reference to the butterfly cable having a curved fiber optic ribbon, except: the butterfly-shaped introducing unit is not present, at least one optical fiber ribbon is arranged in the central cavity, and when a plurality of optical fiber ribbons are arranged in the central cavity, the plurality of optical fiber ribbons are distributed in a stacked manner.
A power cable having a curved optical fiber ribbon, substantially as described above with respect to a butterfly-shaped optical cable having a curved optical fiber ribbon, the difference being: the butterfly-shaped introducing unit is not arranged, and the central cavity is hollow; alternatively, the central cavity has a stiffener matching the shape of the central cavity; or at least two insulated signal wires are arranged in the central cavity, and the insulated signal wires are composed of an insulating sleeve and a signal wire electric conductor positioned in the insulating sleeve.
The invention has the following main beneficial technical effects: the fiber core density is higher, the photoelectric simultaneous transmission can be realized in the same cable, the structure is simple and compact, the manufacture is easy, the space utilization rate is higher, the power transmission capacity is stronger, and the power transmission mode is more flexible.
Drawings
Fig. 1 is a schematic perspective view of a section of the peeled article according to embodiment 1 of the present invention.
Fig. 2 is an enlarged schematic cross-sectional structure of fig. 1.
Fig. 3 is a schematic perspective view of a section of the housing member used in embodiment example 1.
Fig. 4 is an enlarged schematic cross-sectional structure of fig. 3.
Fig. 5 is a schematic perspective view of a section of the optical fiber ribbon used in example 1.
Fig. 6 is an enlarged schematic cross-sectional structure of fig. 5.
Fig. 7 is a schematic cross-sectional structure of the housing member used in embodiment example 2 after assembly.
Fig. 8 is a schematic cross-sectional structure of the second housing used in embodiment example 2.
Fig. 9 is a schematic cross-sectional structure of the first casing used in embodiment example 2.
Detailed Description
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: a 1-housing member, a 2-fiber optic ribbon, a 3-power transmission member, a 4-butterfly drop unit, a 5-protection layer, a 21-optical fiber, a 22-adhesive layer, a 221-first end face of the fiber optic ribbon, a 222-second end face of the fiber optic ribbon, a 31-conductor, a 32-insulation layer, a 41-optical fiber, a 42-reinforcement, a 43-butterfly sheath, a 44-tear seam, a 10-central cavity, a 11-first housing, a 12-second housing, a 13-central body, a 100-curved cavity, a 110-first receiving cavity, a 111-first wall, a 112-second wall, a 113-third wall, a 114-fourth wall, an outer edge of 1141-fourth wall, an inner edge of 1142-fourth wall, a 116-first central member, an outer edge of 1161-first central member, an inner edge of 1162-first central member, a first side edge of 1163-first central member, a second side edge of 1164-first central member, a third side edge of 1165-first central member, an outer edge of a third side edge 120-third side edge of a fifth side wall 1252-fourth wall, an inner edge of a fifth side 1252-third side wall, a third side edge of a fifth side 1253-fourth side wall, a fifth side 1252-fourth side 1254-inner edge of the fifth side 1251-fourth side 1252-side 125-fourth side of the fifth side 1254-side.
Implementation example 1: referring to fig. 1 to 6, a butterfly-shaped optical cable with a curved optical fiber ribbon is provided with four optical fiber ribbons 2, four power transmission components 3, a butterfly-shaped introducing unit 4 and a protective layer 5, wherein the power transmission components 3 are composed of a conductor 31 and an insulating layer 32, the insulating layer 32 is coated outside the conductor 31, the butterfly-shaped introducing unit 4 is composed of an optical fiber 41, two reinforcing members 42 and a butterfly-shaped sheath 43, the butterfly-shaped sheath 43 integrally coats the optical fiber 41 and the two reinforcing members 42, the two reinforcing members 42 are respectively positioned on the upper side and the lower side of the optical fiber 41, and tear openings 44 which are sunken towards the direction of the optical fiber 41 are formed in the butterfly-shaped sheaths 43 on the left side and the right side of the optical fiber 41; the method is characterized in that: the cross section of the shell part 1 is square, the shell part 1 is composed of four identical first shells and a central body 13, the first shells are composed of a first wall body 111, a second wall body 112, a third wall body 113 and a fourth wall body 114, the other end of the first wall body 111 is connected with one end of the second wall body 112, the other end of the second wall body 112 is connected with one end of the third wall body 113, the other end of the third wall body 113 is connected with one end of the first wall body 111, the other end of the fourth wall body 114 is connected with one end of the first wall body 111, the first wall body 111 and the second wall body 112 are all straight wall bodies and are mutually perpendicular, the third wall body 113 is a bent wall body, the bending direction of the third wall body 113 is far away from the included angle between the first wall body 111 and the second wall body 112, one end of the fourth wall body 114 extends towards the direction far away from the included angle between the first wall body 111 and the second wall body 112, the first wall body 111, the second wall body 112 and the third wall body 113 enclose a first accommodating cavity 110, the central body 13 is of a quadrangular prism structure, each prism angle of the central body 13 is missing, four side surfaces of the central body 13 are curved surfaces, the side surfaces of the central body 13 are recessed towards the central direction of the central body 13, the central body 13 is internally provided with a central cavity 10, one end of a fourth wall body 114 of each first shell is connected with one edge of the central body 13, the shell parts 1 are of an integrated structure, a bending cavity 100 is formed between the adjacent first shells and the central body 13, two side surfaces forming each bending cavity 100 are bending surfaces, two side surfaces forming each bending cavity 100 are parallel, a plane dividing the shell parts 1 vertically is called a horizontal bisecting plane, a plane dividing the shell parts 1 horizontally is called a vertical bisecting plane, the upper bending cavity 100 is symmetrical about the horizontal bisection plane and then the structure symmetrical about the vertical bisection plane is overlapped with the lower bending cavity 100, the lower bending cavity 100 is symmetrical about the horizontal bisection plane and then the structure symmetrical about the vertical bisection plane is overlapped with the upper bending cavity 100, the left bending cavity 100 is symmetrical about the vertical bisection plane and then the structure symmetrical about the horizontal bisection plane is overlapped with the right bending cavity 100, and the right bending cavity 100 is overlapped with the left bending cavity 100; the outer edge of the insulating layer 32 has a structure corresponding to the first accommodating cavities 110, the power transmission components 3 are positioned in the first accommodating cavities 110, and only one power transmission component 3 is positioned in each first accommodating cavity 110; the optical fiber ribbon 2 is composed of a plurality of optical fibers 21 and an adhesive layer 22, all the optical fibers 21 are covered by the adhesive layer 22, the optical fiber ribbon is bent, the first end face 221 of the optical fiber ribbon and the second end face 222 of the optical fiber ribbon are all plane, the shape of the outer edge of the optical fiber ribbon 2 corresponds to the shape of the bending cavity 100, the optical fiber ribbon is positioned in the bending cavity 100, the first end face 221 of the optical fiber ribbon is positioned at the opening of the bending cavity 100, and any side face of the shell component 1 is provided with: the outer edge of the first wall 111 and the outer edge of the second wall 112 are in the same plane, and the first end surface 221 of the optical fiber ribbon does not exceed the outer edge of the first wall 111; the butterfly-shaped introducing unit 4 is positioned in the central cavity 10; the protective layer 5 is wrapped outside the housing part 1.
In this embodiment, the material of the housing part 1 may be plastic or steel or iron or copper or aluminum or other alloys.
Implementation example 2: referring to fig. 7 to 9, referring to fig. 1 to 6, a butterfly-shaped optical cable with a curved optical fiber ribbon is provided with four optical fiber ribbons 2, four power transmission components 3, a butterfly-shaped introduction unit 4 and a protection layer 5, wherein the power transmission components 3 are composed of a conductor 31 and an insulating layer 32, the insulating layer 32 is covered outside the conductor 31, the butterfly-shaped introduction unit 4 is composed of an optical fiber 41, two reinforcing members 42 and a butterfly-shaped sheath 43, the optical fiber 41 and the two reinforcing members 42 are covered by the butterfly-shaped sheath 43 as a whole, the two reinforcing members 42 are respectively positioned on the upper side and the lower side of the optical fiber 41, and the butterfly-shaped sheaths 43 on the left side and the right side of the optical fiber 41 are provided with tearing openings 44 which are recessed towards the optical fiber 41; the method is characterized in that: the shell is characterized by further comprising a shell component 1, wherein the cross section of the shell component 1 is square, and the shell component 1 is formed by splicing two identical first shells 11 and two identical second shells 12;
the first shell 11 is composed of a first wall body 111, a second wall body 112, a third wall body 113, a fourth wall body 114 and a first central component 116, the other end of the first wall body 111 is connected with one end of the second wall body 112, the other end of the second wall body 112 is connected with one end of the third wall body 113, the other end of the third wall body 113 is connected with one end of the first wall body 111, the other end of the fourth wall body 114 is connected with one end of the first wall body 111, the first wall body 111 and the second wall body 112 are all straight wall bodies and mutually perpendicular, the third wall body 113 is a curved wall body, the bending direction of the third wall body 113 is far away from the included angle between the first wall body 111 and the second wall body 112, one end of the fourth wall body 114 extends towards the direction far away from the included angle between the first wall body 111 and the second wall body 112, the first wall body 111, the third wall body 113 encloses a first accommodating cavity 110, one end of the fourth wall body 114 is connected with the other end of the fourth wall body 114 of the first central component 116, the outer edge 1141 of the fourth wall body is connected to the outer edge 1161 of the first central member, the inner edge 1162 of the first central member is connected to the inner edge 1142 of the fourth wall body, the first side edge 1163 of the first central member is connected to the inner edge 1162 of the first central member, the second side edge 1164 of the first central member is connected to the first side edge 1163 of the first central member, the third side edge 1165 of the first central member is connected to the second side edge 1164 of the first central member, the third side edge 1165 of the first central member is connected to the outer edge 1161 of the first central member, the outer edge 1141 of the fourth wall body is curved with the outer edge 1161 of the first central member, the inflection point does not exist where the outer edge 1141 of the fourth wall body meets the outer edge 1161 of the first central member, the second side edge 1164 of the first central member is of a curved arc-like structure and is recessed toward one end of the fourth wall body 114 of the first housing, the inner edge 1162 of the first central part is a curved arc-like structure, and the inner edge 1162 of the first central part is parallel to the outer edge of the third wall 113;
The second casing 12 is composed of a fifth wall 121, a sixth wall 122, a seventh wall 123, an eighth wall 124, and a second central member 125, the other end of the fifth wall 121 is connected to one end of the sixth wall 122, the other end of the sixth wall 122 is connected to one end of the seventh wall 123, the other end of the seventh wall 123 is connected to one end of the fifth wall 121, the other end of the eighth wall 124 is connected to one end of the fifth wall 121, the fifth wall 121 and the sixth wall 122 are both straight walls and are mutually perpendicular, the seventh wall 123 is a curved wall, the bending direction of the seventh wall 123 is far away from the included angle between the fifth wall 121 and the sixth wall 122, one end of the eighth wall 124 extends towards the direction far away from the included angle between the fifth wall 121 and the sixth wall 122, the fifth wall 121, the seventh wall 123 encloses the second accommodating chamber 120, one end of the eighth wall 124 of the second case 12 is connected to the other end of the second central member 125, the outer edge 1241 of the eighth wall is connected to the outer edge 1251 of the second central member, the inner edge 1252 of the second central member is connected to the inner edge 1242 of the eighth wall, the first side edge 1253 of the second central member is connected to the inner edge 1252 of the second central member, the second side edge 1254 of the second central member is connected to the first side edge 1253 of the second central member, the third side edge 1255 of the second central member is connected to the second side edge 1254 of the second central member, the third side edge 1255 of the second central member is connected to the outer edge 1251 of the second central member, the outer edge 1251 of the eighth wall and the outer edge 1251 of the second central member are both curved, there is no inflection point where the outer edge 1241 of the eighth wall and the outer edge 1251 of the second central member meet, the inner edge 1252 of the second central member is a curved arc-like structure, the inner edge 1252 of the second central member is parallel to the outer edge of the seventh wall 123;
Two first casings 11 are diagonally arranged, two second casings 12 are diagonally arranged, and the first casing 11 is located between the first second casing 12: the outer edge 1241 of the eighth wall of the first second housing 12, the outer edge 1251 of the second central member of the first second housing 12, and the inner edge 1162 of the first central member of the first housing 11 are joined to form a first curved wall, and a first curved cavity 100 is formed between the first curved wall and the outer edge of the third wall 113 of the first housing 11; the first housing 11 and the second housing 12: the outer edge 1141 of the fourth wall of the first housing 11, the outer edge 1161 of the first central member of the first housing 11, and the inner edge 1252 of the second central member of the second housing 12 are joined together to form a second curved wall, and a second curved cavity is formed between the outer edge of the seventh wall 123 of the second housing 12 and the second curved wall; the second first casing 11 and the first second casing 12: the inner edge 1252 of the second central part of the first second housing 12, the outer edge 1141 of the fourth wall of the second first housing 11, and the outer edge 1161 of the first central part of the second first housing 11 are joined to form a fourth curved wall, and a fourth curved cavity is formed between the fourth curved wall and the outer edge of the seventh wall 123 of the first second housing 12; the second first casing 11 and the second casing 12: the inner edge 1142 of the fourth wall of the second first housing 11, the outer edge 1241 of the eighth wall of the second housing 12, and the outer edge 1251 of the second center member of the second housing 12 are joined together to form a third curved wall, and a third curved cavity is formed between the outer edge of the seventh wall 123 of the second housing 12 and the third curved wall; the first bending cavity, the second bending cavity, the third bending cavity and the fourth bending cavity are of equal shapes;
The second side edges 1164 of the first center parts of the two first cases 11 and the second side edges 1254 of the second center parts of the two second cases 12 are joined to form a closed center chamber 10;
the first and second housings 12 and the adjacent two first housings 11: the third side edge 1255 of the second center part of the first second casing 12 is in close contact with the first side edge 1163 of the first center part of the first casing 11, and the first side edge 1253 of the second center part of the first second casing 12 is in close contact with the third side edge 1165 of the first center part of the second first casing 11; the second housing 12 is located between two adjacent first housings 11: the third side edge 1255 of the second center part of the second housing 12 is in close contact with the first side edge 1163 of the first center part of the second first housing 11, and the first side edge 1253 of the second center part of the second housing 12 is in close contact with the third side edge 1165 of the first center part of the first housing 11;
the plane of the upper and lower bisecting shell parts 1 is called a horizontal bisecting plane, the plane of the left and right bisecting shell parts 1 is called a vertical bisecting plane, the first bending cavity is symmetrical about the horizontal bisecting plane and then is overlapped with the third bending cavity, the third bending cavity is symmetrical about the horizontal bisecting plane and then is overlapped with the first bending cavity, the fourth bending cavity is symmetrical about the vertical bisecting plane and then is overlapped with the second bending cavity, and the second bending cavity is symmetrical about the vertical bisecting plane and then is overlapped with the fourth bending cavity; the outer edge of the insulating layer 32 has a structure corresponding to the first accommodating cavities 110, the power transmission components 3 are positioned in the first accommodating cavities 110, and only one power transmission component 3 is positioned in each first accommodating cavity 110; the optical fiber ribbon 2 is composed of a plurality of optical fibers 21 and an adhesive layer 22, all the optical fibers 21 are covered by the adhesive layer 22, the optical fiber ribbon is bent, the first end face 221 of the optical fiber ribbon and the second end face 222 of the optical fiber ribbon are all plane, the shape of the outer edge of the optical fiber ribbon 2 corresponds to the shape of a bending cavity, the optical fiber ribbon is positioned in the first bending cavity, the second bending cavity, the third bending cavity and the fourth bending cavity, the first end face 221 of the optical fiber ribbon is positioned at the opening of the bending cavity, and any side face of the shell component 1 is provided with: the first end surface 221 of the ribbon does not extend beyond the outer edge of the housing member 1; the butterfly-shaped introducing unit 4 is positioned in the central cavity 10; the protective layer 5 is wrapped outside the housing part 1.
The present embodiment is basically the same as embodiment 1, except that: the housing part 1 is formed by splicing two identical first housings 11 and two identical second housings 12.
Indeed, in the light of the above-mentioned solutions, a reasonable variant is possible for the person skilled in the art, namely such that the central cavity 10 is not shaped as in fig. 4 and 7, the cross section of the central cavity 10 being defined by: two sections of semicircular arcs and two sections of straight lines form a road shape integrally. In practice, they may be split into circles, quadrilaterals, etc.
The profile of the butterfly-shaped introduction unit 4 corresponding to fig. 4 and 7 corresponds to the shape of the central cavity 10, i.e. the preferred dimensions of the butterfly-shaped introduction unit 4 are a section length of 2.8-3.2 mm and a section width of 1.8-2.2 mm; it is also possible that: the section length is 1.8-2.2 mm, and the section width is 1.5-1.7 mm; both dimensions may be adapted to prior art fiber optic connectors without the need for additional designs of fiber optic connectors, i.e., to achieve a universal purpose.
The straight wall body means that two longitudinal side surfaces of the wall body are plane, and the two side surfaces of the wall body are parallel.
In this embodiment, the materials of the first housing 11 and the second housing 12 may be plastic, steel, iron, copper, aluminum, or other alloys.
In the present application, the alloy, such as aluminum alloy, iron, etc.
In this embodiment, the first housing 11 is a one-piece structure.
In this embodiment, the second housing 12 is a unitary structure.
Implementation example 3: referring to fig. 1 to 9, a ribbon cable having a bent optical fiber ribbon is basically the same as in embodiment examples 1 and 2, except that: the butterfly-shaped introduction unit 4 is not present and at least one optical fiber ribbon, which is used in the prior art, is present in the central cavity 10, which is distributed in a stacked manner in the central cavity 10 when there are a plurality of optical fiber ribbons.
Implementation example 4: referring to fig. 1 to 9, a power cable with a bent optical fiber ribbon is basically the same as in embodiment 1 and embodiment 2, except that: the butterfly-shaped introducing unit 4 is not arranged, the central cavity 10 is hollow, or the central cavity 10 is provided with a reinforcing piece which is matched with or is consistent with the shape of the central cavity 10, or the central cavity 10 is provided with at least two insulating signal wires, and the insulating signal wires are composed of an insulating sleeve and signal wire electric conductors which are arranged in the insulating sleeve; in this case, weak electrical signals, such as telephone signals, network signals, control signals, etc., may be transmitted at the same time.
The optical fiber ribbon 2 of the present application has at least one layer of optical fibers 21, and the optical fibers 21 in each layer are not contacted with each other, when the optical fiber ribbon has multiple layers, the optical fibers 21 between adjacent layers are staggered, the second end face 222 of the optical fiber ribbon is preferably plane, so that the optical fiber ribbon can be attached to the bottom of the bending cavity, and the space can be better utilized, of course, the optical fiber ribbon can also be non-plane, which can be supported by the bottom of the bending cavity, but only does not fully utilize the corresponding space, the first end face 221 of the optical fiber ribbon is similar to the second end face 222 of the optical fiber ribbon, preferably plane, the outer side edge of the optical fiber ribbon 2 is parallel to the inner side edge of the optical fiber ribbon 2, the length of the outer side edge of the optical fiber ribbon 2 is greater than the length of the inner side edge of the optical fiber ribbon 2, the outer side edge of the optical fiber ribbon 2 and the inner side edge of the optical fiber ribbon 2 are both curved, the outer side edge of the optical fiber ribbon 2 and the inner side edge of the optical fiber ribbon 2 are both smooth curves, and the outer side edge of the optical fiber ribbon 2 has no inflection point; in each layer, all the fibers are distributed along a curve parallel to the outer edges of the ribbon 2.
In the present application, the optical fiber ribbon 2 may have only one layer of optical fibers, but the number of optical fiber ribbons 2 in the bending cavity may be plural.
The bending of the ribbon 2 in the present application is matched with the bending cavity, and the bending cavity is also straight in practice, and the ribbon needs to be straight at this time, but the bending ribbon and the bending cavity can utilize the space to the greatest extent, and at the same time, the number of optical fibers in the ribbon is increased, that is, the core density of the product is increased.
The cross section of the conductor 31 of the power transmission component 3 in the application is formed by an arc and two mutually perpendicular line segments, so that the space of the first accommodating cavity 110 or the space of the first accommodating cavity 110 and the space of the second accommodating cavity 120 are effectively and reasonably utilized.
In the present application, the fifth wall 121 is equal to the first wall 111, the second wall 112 is equal to the sixth wall 122, the third wall 113 is equal to the seventh wall 123, the fourth wall 114 is equal to the eighth wall 124, the first side edge 1163 of the first center member is equal to the third side edge 1255 of the second center member, the third side edge 1165 of the first center member is equal to the first side edge 1253 of the second center member, the inner edge 1242 of the eighth wall is equal to the inner edge 1142 of the fourth wall, and the inner edge 1162 of the first center member is equal to the inner edge 1252 of the second center member.
The type of the optical fiber 21 described in the present application is g.652 or g.653 or g.654 or g.655 or g.656 or g.657 or A1a or A1b or A1c or A1d.
The material of the adhesive layer 22 described in the present application is plastic, preferably polyacrylic resin.
The material of the conductor 31 described in the present application is copper or aluminum or an alloy.
The material of the insulating layer 32 described in the present application is plastic.
The type of the optical fiber 41 described in the present application is g.652 or g.653 or g.654 or g.655 or g.656 or g.657 or A1a or A1b or A1c or A1d.
The reinforcement 42 described in the present application is steel wire or copper wire or aluminum wire or lead wire or fiberglass reinforced plastic rod or aramid yarn.
The material of the butterfly sheath 43 in the present application is plastic, preferably polyvinyl chloride or low smoke halogen-free flame retardant polyethylene or high density polyethylene or medium density polyethylene or low density polyethylene or TPU or TPE or polytetrafluoroethylene.
The protective layer 5 in the application is plastic or water-blocking tape, the protective layer 5 can also be a plurality of layers, the outermost layer is plastic, and the inside is a function for realizing various functions, such as water resistance, moisture resistance, pressure resistance, bulletproof, flame retardance and the like.
The periphery of the housing part 1 in embodiment 1 of the present application forms four sides of a square cross section, each side has a first wall 111 and a second wall 112, and an opening of a curved cavity is formed between the first wall 111 and the second wall 112 on each side.
The periphery of the housing part 1 in embodiment 1 of the present application forms four sides of a square cross section, and the upper side is provided with a fifth wall body 121 and a second wall body 112 from left to right, and an opening of a first bending cavity is formed between the fifth wall body 121 and the second wall body 112; the lower side edge is provided with a second wall body 112 and a fifth wall body 121 from left to right, and an opening of a third bending cavity is arranged between the second wall body 112 and the fifth wall body 121; the left side edge is provided with a sixth wall 122 and a first wall 111 from top to bottom, and an opening of a fourth bending cavity is arranged between the sixth wall 122 and the first wall 111; the right side edge is provided with a first wall body 112 and a sixth wall body 122 from top to bottom, and an opening of a second bending cavity is arranged between the first wall body 112 and the sixth wall body 122.
Referring to fig. 1 to 9, a butterfly optical cable with a curved optical fiber ribbon according to the present application can be expressed as: the optical fiber ribbon is provided with an optical fiber ribbon 2, four power transmission components 3, a butterfly-shaped introducing unit 4 and a protective layer 5, and is characterized in that: the shell part 1 is of an integral structure, the cross section of the shell part 1 is square, the shell part 1 is composed of four identical first shells 11 and a central body, the first shell 1 is composed of a first wall body 111, a second wall body 112, a third wall body 113 and a fourth wall body 114, the first wall body 111 and the second wall body 112 are mutually perpendicular, two ends of the third wall body 113 are respectively connected with non-right-angle ends of the first wall body 111 and the second wall body 112, the third wall body 113 is a bent wall body, the third wall body 113 is bent in a direction far away from the right angle, the other end of the fourth wall body 114 is connected with the non-right-angle end of the first wall body 111, and one end of the fourth wall body 114 extends in a direction far away from the right angle; the central body is of a quadrangular prism structure with four sides being curved surfaces, the curved surfaces are recessed towards the center of the central body, a central cavity 10 is formed in the central body, and one end of a fourth wall 114 of each first shell 11 is connected with one edge of the central body; the four first shells 11 are respectively positioned at four corners of a square, in the clockwise direction, in the adjacent first shells 11, the former first shell 11 rotates ninety degrees clockwise relative to the current first shell 11, a bending cavity 100 is formed between the adjacent first shells 11, and two side surfaces forming each bending cavity 100 are bending surfaces and are parallel; ribbon 2 is curved, ribbon 2 is positioned within curved cavity 100, and butterfly-shaped lead-in unit 4 is positioned within central cavity 10; the protective layer 5 is wrapped outside the housing part 1.
Of course, the above structure is also possible for the optical fiber ribbon cable, and reference is made to embodiment examples 1 to 4, except that the optical fiber ribbon cable is: the optical fiber cable is arranged in the central cavity without the butterfly-shaped introducing unit; when the power cable is used: without the butterfly-shaped lead-in unit, the central cavity is hollow, no components or materials are placed inside, or a reinforcement is placed inside the central cavity.
Compared with the prior art, the invention has the following main beneficial technical effects:
1. the optical fiber has higher core density, space utilization rate is improved through the bent optical fiber ribbon and the bending cavity, the length of the optical fiber ribbon is prolonged through the bent optical fiber ribbon, the number of the optical fibers is higher, and the core density is further improved;
2. the same optical transmission can be realized in the same cable, the optical fiber and/or the optical fiber are used for transmitting optical signals, and the power transmission unit is used for transmitting electric power, so that the same optical transmission cable is realized; when a weak-current signal transmission line is placed in the central cavity, the same-cable transmission of strong-current signals, optical signals and weak-current signals can be realized, and even coaxial cable units can be placed in the central cavity, so that cable television signals and the like can be directly transmitted;
3. The shell component in the embodiment 1 can be molded at one time in a mode of extrusion molding and the like, and only the first shell and the second shell are formed after the assembly in the embodiment 2, and the first shell and the second shell are smaller in size compared with the whole shell component after the assembly is completed, so that the extrusion power and the size requirements of an extruder are greatly reduced, the production of the extruder with small specification can be adopted, and the extruder with small specification has low cost, small occupied space, electricity saving and the like;
4. the structure is more compact, and the space is more reasonably utilized;
5. the power transmission capacity is stronger, the power transmission is more flexible, and the four power transmission components are arranged, so that the power transmission device can be used as two paths of single-phase wires and can also be used as a three-phase four-wire system, and in the prior art, only one path of power can be transmitted, so that the power transmission capacity is enlarged, and the power transmission device can be used more flexibly;
6. in the present application, when the butterfly-shaped introducing unit is provided, the butterfly-shaped introducing unit is inclined with respect to both the horizontal bisection plane and the vertical bisection plane along the symmetry plane of the optical fiber and the reinforcing member, so that the space of the central cavity and the central body 13 is more effectively utilized.
7. In the application, the power transmission component is positioned at four corners in the shell component, and is cut downwards along the vicinity of the four corners, so that the power transmission unit can be conveniently taken out, and of course, the insulating layer can be omitted in the power transmission unit, so that the power transmission capability can be improved more efficiently and the cross section area of the conductor is increased as long as the shell has enough insulating property;
8. In the application, the shape of the conductor in the power transmission component is different from that of a round conductor in the prior art, the conductor is lengthened and positioned at four corners, so that the power transmission heating is easier to disperse, and the heat dissipation effect is better.
A butterfly-shaped optical cable with a curved optical fiber ribbon in the present application may also be referred to as: a butterfly drop cable having a curved optical fiber ribbon.
The application has the following main beneficial technical effects: the fiber core density is higher, the photoelectric simultaneous transmission can be realized in the same cable, the structure is simple and compact, the manufacture is easy, the space utilization rate is higher, the power transmission capacity is stronger, and the power transmission mode is more flexible.
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 (10)
1. A butterfly-shaped optical cable with a curved optical fiber ribbon, comprising an optical fiber ribbon (2), four power transmission components (3), a butterfly-shaped introduction unit (4) and a protective layer (5), characterized in that: the novel solar energy collector is characterized by further comprising a shell component (1), wherein the shell component (1) is of an integrated structure, the cross section of the shell component (1) is square, the shell component (1) is composed of four identical first shells (11) and a central body, the first shell (1) is composed of a first wall body (111), a second wall body (112), a third wall body (113) and a fourth wall body (114), the first wall body (111) and the second wall body (112) are mutually perpendicular, two ends of the third wall body (113) are respectively connected with the non-right-angle ends of the first wall body (111) and the second wall body (112), the third wall body (113) is a bent wall body, the third wall body (113) is bent in a direction far away from the right angle, the other end of the fourth wall body (114) is connected with the non-right-angle end of the first wall body (111), and one end of the fourth wall body (114) extends in a direction far away from the right angle; the central body is of a quadrangular prism structure with four curved sides, the curved sides are recessed towards the center of the central body, a central cavity (10) is formed in the central body, and one end of a fourth wall body (114) of each first shell (11) is connected with one edge of the central body; the four first shells (11) are respectively positioned at four corners of a square, in the clockwise direction, in the adjacent first shells (11), the former first shell (11) rotates clockwise by ninety degrees relative to the current first shell (11), a bending cavity (100) is formed between the adjacent first shells (11), and two side surfaces forming each bending cavity (100) are bending surfaces and the two bending surfaces are parallel; the optical fiber ribbon (2) is bent, the optical fiber ribbon (2) is positioned in the bending cavity (100), and the butterfly-shaped introducing unit (4) is positioned in the central cavity (10); the protective layer (5) is coated outside the shell component (1).
2. The butterfly-shaped optical cable with the bending optical fiber ribbon comprises four optical fiber ribbons (2), four power transmission components (3), a butterfly-shaped introducing unit (4) and a protective layer (5), wherein the power transmission components (3) are composed of a conductor (31) and an insulating layer (32), the insulating layer (32) is coated outside the conductor (31), the butterfly-shaped introducing unit (4) is composed of an optical fiber (41), two reinforcing pieces (42) and a butterfly-shaped sheath (43), the optical fiber (41) and the two reinforcing pieces (42) are integrally coated by the butterfly-shaped sheath (43), the two reinforcing pieces (42) are respectively positioned on the upper side and the lower side of the optical fiber (41), and tear ports (44) which are sunken towards the optical fiber (41) are formed in the butterfly-shaped sheaths (43) on the left side and the right side of the optical fiber (41); the method is characterized in that: the three-dimensional prism is characterized by further comprising a shell component (1), the cross section of the shell component (1) is square, the shell component (1) is composed of four identical first shells and a central body (13), the first shells are composed of a first wall body (111), a second wall body (112), a third wall body (113) and a fourth wall body (114), the other end of the first wall body (111) is connected with one end of the second wall body (112), the other end of the second wall body (112) is connected with one end of the third wall body (113), the other end of the third wall body (113) is connected with one end of the first wall body (111), the other end of the fourth wall body (114) is connected with one end of the first wall body (111), the first wall body (111) and the second wall body (112) are all perpendicular to each other, the third wall body (113) is a curved wall body, the curved direction of the third wall body (113) is far away from the first wall body (111) and the second wall body (112), one end of the fourth wall body (114) is connected with one end of the first wall body (111), the fourth wall body (114) is far away from the first wall body (112), the central body (13) is a corner, the central body (13) is formed by the corner of the prism, the corner of the prism is formed by the first wall body (13) and the corner of the third wall body (13) is located at the center, the side surfaces of the central body (13) are recessed towards the central direction of the central body (13), a central cavity (10) is arranged in the central body (13), one end of a fourth wall body (114) of each first shell is connected with one edge of the central body (13), the shell parts (1) are of an integrated structure, a bending cavity (100) is formed between the adjacent first shells and the central body (13), two side surfaces forming each bending cavity (100) are bending surfaces, two side surfaces forming each bending cavity (100) are parallel, the plane of the upper and lower shell parts (1) is called a horizontal bisecting plane, the plane of the left and right bisecting shell parts (1) is called a vertical bisecting plane, a structure of the upper bending cavity (100) symmetrical about the horizontal bisecting plane is overlapped with the lower bending cavity (100), the structure of the lower bending cavity (100) symmetrical about the horizontal bisecting plane is overlapped with the upper bending cavity (100), and the left and right bending cavity (100) symmetrical about the horizontal bisecting plane is overlapped with the left and right bending cavity (100) symmetrical about the horizontal bisecting plane; the outer edge of the insulating layer (32) is provided with a structure corresponding to the first accommodating cavities (110), the power transmission components (3) are positioned in the first accommodating cavities (110), and only one power transmission component (3) is arranged in each first accommodating cavity (110); the optical fiber ribbon (2) is composed of a plurality of optical fibers (21) and an adhesive layer (22), all the optical fibers (21) are covered by the adhesive layer (22), the optical fiber ribbon is bent, a first end face (221) of the optical fiber ribbon and a second end face (222) of the optical fiber ribbon are all plane, the shape of the outer edge of the optical fiber ribbon (2) corresponds to the shape of a bending cavity (100), the optical fiber ribbon is positioned in the bending cavity (100), the first end face (221) of the optical fiber ribbon is positioned at the opening of the bending cavity (100), and any one side face of the shell component (1) is provided with the optical fiber ribbon: the outer edge of the first wall body (111) and the outer edge of the second wall body (112) are in the same plane, and the first end face (221) of the optical fiber ribbon does not exceed the outer edge of the first wall body (111); the butterfly-shaped introducing unit (4) is positioned in the central cavity (10); the protective layer (5) is coated outside the shell component (1).
3. A butterfly cable with a curved optical fiber ribbon according to claim 2, wherein: the material of the shell part (1) is plastic or iron or copper or aluminum.
4. A butterfly cable with a curved optical fiber ribbon according to claim 3, wherein: the type of the optical fiber (41) is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d.
5. A butterfly cable with a curved optical fiber ribbon according to any one of claims 1 to 4, wherein: the section length of the butterfly-shaped introducing unit (4) is 2.8-3.2 mm, and the section width is 1.8-2.2 mm; or is: the section length of the butterfly-shaped introducing unit (4) is 1.8-2.2 mm, and the section width is 1.5-1.7 mm.
6. A ribbon-shaped optical cable with a bent optical fiber ribbon is provided with four optical fiber ribbons (2), four power transmission components (3) and a protective layer (5), wherein the power transmission components (3) are composed of conductors (31) and insulating layers (32), and the insulating layers (32) are coated outside the conductors (31); the method is characterized in that: the three-dimensional prism is characterized by further comprising a shell component (1), the cross section of the shell component (1) is square, the shell component (1) is composed of four identical first shells and a central body (13), the first shells are composed of a first wall body (111), a second wall body (112), a third wall body (113) and a fourth wall body (114), the other end of the first wall body (111) is connected with one end of the second wall body (112), the other end of the second wall body (112) is connected with one end of the third wall body (113), the other end of the third wall body (113) is connected with one end of the first wall body (111), the other end of the fourth wall body (114) is connected with one end of the first wall body (111), the first wall body (111) and the second wall body (112) are all perpendicular to each other, the third wall body (113) is a curved wall body, the curved direction of the third wall body (113) is far away from the first wall body (111) and the second wall body (112), one end of the fourth wall body (114) is connected with one end of the first wall body (111), the fourth wall body (114) is far away from the first wall body (112), the central body (13) is a corner, the central body (13) is formed by the corner of the prism, the corner of the prism is formed by the first wall body (13) and the corner of the third wall body (13) is located at the center, the side surfaces of the central body (13) are recessed towards the central direction of the central body (13), a central cavity (10) is arranged in the central body (13), one end of a fourth wall body (114) of each first shell is connected with one edge of the central body (13), the shell parts (1) are of an integrated structure, a bending cavity (100) is formed between the adjacent first shells and the central body (13), two side surfaces forming each bending cavity (100) are bending surfaces, two side surfaces forming each bending cavity (100) are parallel, the plane of the upper and lower shell parts (1) is called a horizontal bisecting plane, the plane of the left and right bisecting shell parts (1) is called a vertical bisecting plane, a structure of the upper bending cavity (100) symmetrical about the horizontal bisecting plane is overlapped with the lower bending cavity (100), the structure of the lower bending cavity (100) symmetrical about the horizontal bisecting plane is overlapped with the upper bending cavity (100), and the left and right bending cavity (100) symmetrical about the horizontal bisecting plane is overlapped with the left and right bending cavity (100) symmetrical about the horizontal bisecting plane; the outer edge of the insulating layer (32) is provided with a structure corresponding to the first accommodating cavities (110), the power transmission components (3) are positioned in the first accommodating cavities (110), and only one power transmission component (3) is arranged in each first accommodating cavity (110); the optical fiber ribbon (2) is composed of a plurality of optical fibers (21) and an adhesive layer (22), all the optical fibers (21) are covered by the adhesive layer (22), the optical fiber ribbon is bent, a first end face (221) of the optical fiber ribbon and a second end face (222) of the optical fiber ribbon are all plane, the shape of the outer edge of the optical fiber ribbon (2) corresponds to the shape of a bending cavity (100), the optical fiber ribbon is positioned in the bending cavity (100), the first end face (221) of the optical fiber ribbon is positioned at the opening of the bending cavity (100), and any one side face of the shell component (1) is provided with the optical fiber ribbon: the outer edge of the first wall body (111) and the outer edge of the second wall body (112) are in the same plane, and the first end face (221) of the optical fiber ribbon does not exceed the outer edge of the first wall body (111); at least one optical fiber ribbon is arranged in the central cavity (10), and when a plurality of optical fiber ribbons are arranged, the optical fiber ribbons are distributed in a laminated mode in the central cavity (10); the protective layer (5) is coated outside the shell component (1).
7. A ribbon cable with curved optical fiber ribbon according to claim 6 wherein the material of the housing part (1) is plastic or iron or copper or aluminum.
8. A power cable with bending optical fiber ribbons is provided with four optical fiber ribbons (2), four power transmission components (3) and a protective layer (5), wherein the power transmission components (3) are composed of conductors (31) and insulating layers (32), and the insulating layers (32) are coated outside the conductors (31); the method is characterized in that: the three-dimensional prism is characterized by further comprising a shell component (1), the cross section of the shell component (1) is square, the shell component (1) is composed of four identical first shells and a central body (13), the first shells are composed of a first wall body (111), a second wall body (112), a third wall body (113) and a fourth wall body (114), the other end of the first wall body (111) is connected with one end of the second wall body (112), the other end of the second wall body (112) is connected with one end of the third wall body (113), the other end of the third wall body (113) is connected with one end of the first wall body (111), the other end of the fourth wall body (114) is connected with one end of the first wall body (111), the first wall body (111) and the second wall body (112) are all perpendicular to each other, the third wall body (113) is a curved wall body, the curved direction of the third wall body (113) is far away from the first wall body (111) and the second wall body (112), one end of the fourth wall body (114) is connected with one end of the first wall body (111), the fourth wall body (114) is far away from the first wall body (112), the central body (13) is a corner, the central body (13) is formed by the corner of the prism, the corner of the prism is formed by the first wall body (13) and the corner of the third wall body (13) is located at the center, the side surfaces of the central body (13) are recessed towards the central direction of the central body (13), a central cavity (10) is arranged in the central body (13), one end of a fourth wall body (114) of each first shell is connected with one edge of the central body (13), the shell parts (1) are of an integrated structure, a bending cavity (100) is formed between the adjacent first shells and the central body (13), two side surfaces forming each bending cavity (100) are bending surfaces, two side surfaces forming each bending cavity (100) are parallel, the plane of the upper and lower shell parts (1) is called a horizontal bisecting plane, the plane of the left and right bisecting shell parts (1) is called a vertical bisecting plane, a structure of the upper bending cavity (100) symmetrical about the horizontal bisecting plane is overlapped with the lower bending cavity (100), the structure of the lower bending cavity (100) symmetrical about the horizontal bisecting plane is overlapped with the upper bending cavity (100), and the left and right bending cavity (100) symmetrical about the horizontal bisecting plane is overlapped with the left and right bending cavity (100) symmetrical about the horizontal bisecting plane; the outer edge of the insulating layer (32) is provided with a structure corresponding to the first accommodating cavities (110), the power transmission components (3) are positioned in the first accommodating cavities (110), and only one power transmission component (3) is arranged in each first accommodating cavity (110); the optical fiber ribbon (2) is composed of a plurality of optical fibers (21) and an adhesive layer (22), all the optical fibers (21) are covered by the adhesive layer (22), the optical fiber ribbon is bent, a first end face (221) of the optical fiber ribbon and a second end face (222) of the optical fiber ribbon are all plane, the shape of the outer edge of the optical fiber ribbon (2) corresponds to the shape of a bending cavity (100), the optical fiber ribbon is positioned in the bending cavity (100), the first end face (221) of the optical fiber ribbon is positioned at the opening of the bending cavity (100), and any one side face of the shell component (1) is provided with the optical fiber ribbon: the outer edge of the first wall body (111) and the outer edge of the second wall body (112) are in the same plane, and the first end face (221) of the optical fiber ribbon does not exceed the outer edge of the first wall body (111); the central cavity (10) is hollow; alternatively, the central cavity (10) has a reinforcement; or the central cavity (10) is provided with at least two insulated signal wires, and the insulated signal wires are composed of an insulating sleeve and a signal wire electric conductor positioned in the insulating sleeve; the protective layer (5) is coated outside the shell component (1).
9. A power cable having a curved optical fiber ribbon as defined in claim 8, wherein: the type of the optical fiber (21) is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d, and the material of the bonding layer (22) is plastic.
10. A power cable having a curved optical fiber ribbon as defined in claim 9, wherein: the material of the conductor (31) is copper or aluminum, and the material of the insulating layer (32) is plastic.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117831849A (en) * | 2024-03-05 | 2024-04-05 | 苏州知遇光电科技有限公司 | Aluminum alloy cable or optical cable with cross unit |
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| CN115079361A (en) * | 2022-07-22 | 2022-09-20 | 深圳市特发信息光网科技股份有限公司 | Butterfly-shaped leading-in optical cable with square cross section for pipeline |
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| CN111180132A (en) * | 2020-02-14 | 2020-05-19 | 苏州专创光电科技有限公司 | Photoelectric composite cable with special-shaped power transmission line |
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| CN113625404A (en) * | 2021-08-30 | 2021-11-09 | 江苏长飞中利光纤光缆有限公司 | Optical fiber ribbon optical cable easy to peel |
| CN115079361A (en) * | 2022-07-22 | 2022-09-20 | 深圳市特发信息光网科技股份有限公司 | Butterfly-shaped leading-in optical cable with square cross section for pipeline |
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