CN113724935B - Composite ribbon optical cable - Google Patents
Composite ribbon optical cable Download PDFInfo
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- CN113724935B CN113724935B CN202111035307.1A CN202111035307A CN113724935B CN 113724935 B CN113724935 B CN 113724935B CN 202111035307 A CN202111035307 A CN 202111035307A CN 113724935 B CN113724935 B CN 113724935B
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- protective sleeve
- protective
- optical fiber
- protective sheath
- sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
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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
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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
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- 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
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- 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
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- 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
- H01B7/1895—Internal space filling-up means
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- 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
- H01B7/38—Insulated conductors or cables characterised by their form with arrangements for facilitating removal of insulation
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- 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)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The invention belongs to the field of cables, and particularly relates to a composite ribbon optical cable which is provided with a cable core, wherein the cable core is composed of at least three first protective sleeves, and an outer protective layer is extruded outside the cable core.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a composite ribbon optical cable.
Background
With the rapid development of informatization wave, the optical cable plays an increasingly important role in the communication process, and as an important medium for information transmission, the information transmission quantity of the optical fiber is crucial, the information transmission quantity of the modern society is huge, and in a trunk network, an optical cable with a large core number is required to be used, while the composite ribbon optical cable not only can meet the transmission of massive information, but also has the characteristic of convenient connection, and also has the characteristic of simultaneously transmitting electric signals.
As shown in fig. 6, in the prior art, the composite optical fiber ribbon cable is composed of a second loose tube 11 and an outer sheath 1 extruded outside the second loose tube 11, wherein an optical fiber ribbon body 9 is arranged in the second loose tube 11, and a plurality of electrical units 7 are arranged in the outer sheath 1.
The above prior art has the following disadvantages: the outer sheath 1 and the electric unit 7 are adhered, and when the electric unit 7 needs to be taken out, the cutter easily scratches the electric unit 7.
As shown in fig. 7, in the prior art, the composite optical fiber ribbon cable is composed of four second loose tubes 11, a reinforcing member 12 and an outer sheath 1, the second loose tubes 11 are located around the reinforcing member 12, the outer sheath 1 is extruded outside the second loose tubes 11, an optical fiber ribbon 9 is arranged in each second loose tube 11, and an electrical unit 7 is arranged between two adjacent second loose tubes 11.
The above prior art has the following disadvantages: when taking the optical fiber tape body 9, the second loose tube 11 needs to be damaged, so that the operation is inconvenient, and the work efficiency is not improved.
As another example, CN113161059a discloses a flexibly combinable cable, which has at least three identical protection tubes and an outer sheath covering all the protection tubes, and is characterized in that the protection tubes are composed of conductors and a tube body covering the conductors, the tube body has a first outer edge and a second outer edge, the first outer edge and the second outer edge enclose a closed structure, the first outer edge is a part of a first cylinder, the second outer edge is a part of a second cylinder, the diameter of the first cylinder is equal to the diameter of the second cylinder, and the bending directions of the first outer edge and the second outer edge are the same; all the protective tubes are distributed clockwise and are spliced to form a complete circumference.
The above prior art has the following disadvantages: the mutual area of contact of each electric unit is big, and the contact is inseparable, does not utilize the thermal diffusion of electric unit during operation, easily accelerates the ageing of insulating layer, influences the life of cable.
As another example, in the prior art, CN111180123A discloses a special-shaped cable, which has a special-shaped reinforcement, an electrical unit, a protective layer, and an outer protective layer; the special-shaped reinforcing part is in a ratchet wheel shape, a plurality of ratchets distributed in the same direction are arranged on the outer edge of the ratchet wheel, and each ratchet is surrounded by a ratchet inner edge, a ratchet upper edge and a ratchet lower edge; the electric unit is composed of a conductor and an insulating layer, one electric unit is arranged above each ratchet, the lower surface of the insulating layer is tightly attached to the upper edge of each ratchet, the right surface of the insulating layer is positioned above the lower edge of each ratchet, the left surface of the insulating layer is tightly attached to the lower edge of each ratchet on the left side of each ratchet, and the height of the left surface of the insulating layer is greater than that of the lower edge of each ratchet; the insulating layers of all the electrical units are on the same cylindrical surface, the center of the special-shaped reinforcing piece is provided with a fiber accommodating hole, and the optical fibers 12 are positioned in the fiber accommodating hole.
The above prior art has the following disadvantages: the ratchet has thickened the thickness of holding fine hole outer wall, and heterotypic reinforcement makes integrated into one piece, and this has reduced the efficiency of taking inside optic fibre 12, influences the efficiency of construction.
Disclosure of Invention
In order to solve the above problems, the present invention discloses a composite optical fiber ribbon cable, which is realized by the following technical scheme.
The utility model provides a compound ribbon optical cable, has the cable core, the cable core comprises at least three first protection cover, the outer extrusion molding of cable core has the outer jacket, its characterized in that first protection cover is the comma shape, and first protection cover comprises first protection cover main part, forms a first appearance chamber in the first protection cover main part, and first appearance chamber lateral wall forms a first open slot, and all first protection covers are placed along same direction of rotation, and all first protection cover middle parts enclose into an optical fiber ribbon appearance chamber, the optical fiber ribbon is held the intracavity and is equipped with the optical fiber tape body, be equipped with a packing element between two adjacent first protection covers respectively, every first appearance intracavity respectively is equipped with a transmission component, the afterbody of all first protection covers is located same circumference.
The composite ribbon optical cable is characterized in that the optical fiber ribbon containing cavity is polygonal, and the number of the edges is the same as the number of the first protective sleeves.
The composite optical fiber ribbon cable is characterized in that the transmission component is an electric unit, and the electric unit comprises an electric conductor and an insulating layer extruded outside the electric conductor.
The composite optical ribbon cable is characterized in that the transmission component is an optical unit, and the optical unit is composed of a first loose tube and a plurality of optical fibers positioned in the first loose tube.
The composite optical fiber ribbon cable is characterized in that the first loose tube material is polybutylene terephthalate or modified PP.
The composite optical fiber ribbon cable is characterized in that the filling component is made of polypropylene.
The composite optical fiber ribbon cable is characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The composite ribbon optical cable is characterized in that the optical fiber ribbon body is composed of at least one optical fiber ribbon, when the number of the optical fiber ribbons is more than or equal to two, the optical fiber ribbon body is formed by stacking a plurality of optical fiber ribbons, and the optical fiber ribbons are formed by combining at least two optical fibers.
The composite optical fiber ribbon cable is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
In the invention, each protective sleeve is provided with an open slot, so that an internal electric unit or optical unit can be quickly and conveniently taken out of the protective sleeve during construction, and a transmission part cannot be damaged when the electric unit or optical unit is taken out, thereby improving the construction efficiency; the protective sleeve and the electric unit or the optical unit can be prefabricated in production, when orders are excessive, the prefabricated electric unit or the optical unit only needs to be embedded into the protective sleeve from the open slot in the later stage, and production efficiency is improved; the protective sleeve is comma-shaped, the tail part of the protective sleeve is far away from the electric unit or the optical unit, and when the cable is pressed, the tail part of the protective sleeve can provide larger pressure resistance to protect the electric unit or the optical unit inside; the optical fiber ribbon containing cavity is formed by surrounding a plurality of protective sleeves, the external outer protective layer only needs to be taken out during construction, the internal optical fiber ribbon body can be constructed without damaging the protective sleeves, and the construction is rapid and convenient; the electric units 7 are not contacted with each other, so that heat is slowly accumulated, the aging of the insulating layer is delayed, and the service life of the optical cable is prolonged; the comma-shaped bottom edge of the first protective sleeve is a plane, so that the optical fiber ribbon containing cavity is polygonal.
Therefore, the invention has the advantages of simple structure, easy taking out of the electric unit or the optical unit, no damage to the transmission part when the electric unit or the optical unit is taken out, strong pressure resistance, easy taking out of the optical fiber belt body, convenient construction, long back when in use and the like.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic perspective view of a combination of a first protective sheath and an electric unit according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 5 is a schematic perspective view of a combination of a first protective sheath and an electric unit according to embodiment 3 of the present invention.
Fig. 6 is a schematic structural diagram of prior art 1 of the present invention.
Fig. 7 is a schematic structural diagram of prior art 2 of the present invention.
In the figure: 1. the protective sleeve comprises an outer protective layer, 2, a first protective sleeve, 21, a first protective sleeve main body, 22, a first open slot, 23, a first containing cavity, 3, a second protective sleeve, 31, a second protective sleeve main body, 32, a second open slot, 33, a first containing cavity, 4, a third protective sleeve, 41, a third protective sleeve main body, 42, a third open slot, 43, a third containing cavity, 5, a fourth protective sleeve, 51, a fourth protective sleeve main body, 52, a fourth open slot, 53, a fourth containing cavity, 6, a fifth protective sleeve, 61, a fifth protective sleeve main body, 62, a fifth open slot, 63, a fifth containing cavity, 7, an electrical unit, 71, an insulating layer, 72, an electrical conductor, 8, a filling component, 9 optical fiber tape body, 10 optical unit, 101, first loose tube, 102, optical fiber, 11, second loose tube and 12 reinforcing component.
Detailed Description
Example 1
Referring to fig. 1 and 2, a composite optical fiber ribbon cable has a cable core, the cable core is composed of a first protective sheath 2, a second protective sheath 3, a third protective sheath 4 and a fourth protective sheath 5, and an outer sheath 1 is extruded outside the cable core, and is characterized in that the first protective sheath 2, the second protective sheath 3, the third protective sheath 4 and the fourth protective sheath 5 are comma-shaped, the first protective sheath 2 is composed of a first protective sheath main body 21, a first containing cavity 23 is formed on the first protective sheath main body 21, a first open slot 22 is formed on a side wall of the first containing cavity 23, the second protective sheath 3 is composed of a second protective sheath main body 31, a second containing cavity 33 is formed on the second protective sheath main body 31, a second open slot 32 is formed on a side wall of the second containing cavity 33, the third protective sheath 4 is composed of a third protective sheath main body 41, a third containing cavity 43 is formed on the third protective sheath main body 41, the side wall of the third containing cavity 43 forms a third open slot 42, the fourth protective sleeve 5 is composed of a fourth protective sleeve main body 51, a fourth containing cavity 53 is formed on the fourth protective sleeve main body 51, a fourth open slot 52 is formed on the side wall of the fourth containing cavity 53, the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4 and the fourth protective sleeve 5 are placed along the same rotating direction, an optical fiber ribbon containing cavity is defined by the middle parts of the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4 and the fourth protective sleeve 5, the optical fiber ribbon containing cavity is quadrilateral, an optical fiber ribbon body 9 is arranged in the optical fiber ribbon containing cavity, a filling component 8 is respectively arranged between the first protective sleeve 2 and the second protective sleeve 3, between the second protective sleeve 3 and the third protective sleeve 4, between the third protective sleeve 4 and the fourth protective sleeve 5, and between the fourth protective sleeve 5 and the first protective sleeve 2, the first containing cavity 23, the second containing cavity 33, the third containing cavity 43 and the fourth containing cavity 53 are respectively provided with an electric unit 7, the electric unit 7 comprises an electric conductor 72 and an insulating layer 71 extruded outside the electric conductor 72, and the tail parts of the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4 and the fourth protective sleeve 5 are positioned on the same circumference.
The composite optical fiber ribbon cable is characterized in that the insulating layer 71 is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene.
Example 2
Referring to fig. 3 and fig. 2, a composite optical fiber ribbon cable has a cable core, the cable core is composed of a first protective sheath 2, a second protective sheath 3, a third protective sheath 4, a fourth protective sheath 5 and a fifth protective sheath 6, and an outer protective layer 1 is extruded outside the cable core, and the composite optical fiber ribbon cable is characterized in that the first protective sheath 2, the second protective sheath 3, the third protective sheath 4, the fourth protective sheath 5 and the fifth protective sheath 6 are comma-shaped, the first protective sheath 2 is composed of a first protective sheath main body 21, a first cavity 23 is formed on the first protective sheath main body 21, a first open slot 22 is formed on a sidewall of the first cavity 23, the second protective sheath 3 is composed of a second protective sheath main body 31, a second cavity 33 is formed on the second protective sheath main body 31, a second open slot 32 is formed on a sidewall of the second cavity 33, the third protective sheath 4 is composed of a third protective sheath main body 41, a third containing cavity 43 is formed on the third protective sleeve main body 41, a third open groove 42 is formed on the side wall of the third containing cavity 43, the fourth protective sleeve 5 is composed of a fourth protective sleeve main body 51, a fourth containing cavity 53 is formed on the fourth protective sleeve main body 51, a fourth open groove 52 is formed on the side wall of the fourth containing cavity 53, the fifth protective sleeve 6 is composed of a fifth protective sleeve main body 61, a fifth containing cavity 63 is formed on the fifth protective sleeve main body 61, a fifth open groove 62 is formed on the side wall of the fifth containing cavity 63, the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4, the fourth protective sleeve 5 and the fifth protective sleeve 6 are placed along the same rotating direction, a containing cavity is formed by the middle parts of the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4, the fourth protective sleeve 5 and the fifth protective sleeve 6, the optical fiber ribbon containing cavity is pentagonal, the optical fiber ribbon is characterized in that an optical fiber ribbon body 9 is arranged in the optical fiber ribbon accommodating cavity, an optical fiber ribbon body 9 is arranged between the first protective sleeve 2 and the second protective sleeve 3, a filling component 8 is respectively arranged between the second protective sleeve 3 and the third protective sleeve 4, between the third protective sleeve 4 and the fourth protective sleeve 5, between the fourth protective sleeve 5 and the fifth protective sleeve 6, and between the fifth protective sleeve 6 and the first protective sleeve 2, an electric unit 7 is respectively arranged in the first accommodating cavity 23, the second accommodating cavity 33, the third accommodating cavity 43, the fourth accommodating cavity 53 and the fifth accommodating cavity 63, the electric unit 7 is composed of an electric conductor 72 and an insulating layer 71 extruded outside the electric conductor 72, and the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4, the fourth protective sleeve 5 and the fifth protective sleeve 6 are located on the same circumference.
The composite optical fiber ribbon cable is characterized in that the insulating layer 71 is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene.
Example 3
Referring to fig. 4 and 5, a composite optical fiber ribbon cable has a cable core, the cable core is composed of a first protective sheath 2, a second protective sheath 3, a third protective sheath 4 and a fourth protective sheath 5, and an outer sheath 1 is extruded outside the cable core, and is characterized in that the first protective sheath 2, the second protective sheath 3, the third protective sheath 4 and the fourth protective sheath 5 are comma-shaped, the first protective sheath 2 is composed of a first protective sheath main body 21, a first containing cavity 23 is formed on the first protective sheath main body 21, a first open slot 22 is formed on a side wall of the first containing cavity 23, the second protective sheath 3 is composed of a second protective sheath main body 31, a second containing cavity 33 is formed on the second protective sheath main body 31, a second open slot 32 is formed on a side wall of the second containing cavity 33, the third protective sheath 4 is composed of a third protective sheath main body 41, a third containing cavity 43 is formed on the third protective sheath main body 41, the side wall of the third containing cavity 43 forms a third open slot 42, the fourth protective sleeve 5 is composed of a fourth protective sleeve main body 51, a fourth containing cavity 53 is formed on the fourth protective sleeve main body 51, a fourth open slot 52 is formed on the side wall of the fourth containing cavity 53, the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4 and the fourth protective sleeve 5 are placed along the same rotating direction, an optical fiber ribbon containing cavity is defined by the middle parts of the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4 and the fourth protective sleeve 5, the optical fiber ribbon containing cavity is quadrilateral, an optical fiber ribbon body 9 is arranged in the optical fiber ribbon containing cavity, a filling component 8 is respectively arranged between the first protective sleeve 2 and the second protective sleeve 3, between the second protective sleeve 3 and the third protective sleeve 4, between the third protective sleeve 4 and the fourth protective sleeve 5, and between the fourth protective sleeve 5 and the first protective sleeve 2, the first cavity 23, the second cavity 33, the third cavity 43 and the fourth cavity 53 are respectively provided with an optical unit 10 therein, the optical unit 10 is composed of a first loose tube 101 and a plurality of optical fibers 102 located in the first loose tube 101, and the tails of the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4 and the fourth protective sleeve 5 are located on the same circumference.
The composite optical fiber ribbon cable is characterized in that the first loose tube 101 is made of polybutylene terephthalate or modified PP.
The composite optical fiber ribbon cable is characterized in that the type of the optical fiber 102 is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
A composite optical ribbon cable according to any of the above embodiments, wherein the filling member 8 is made of polypropylene.
The composite optical ribbon cable according to any of the embodiments above, characterized in that the outer sheath 1 is made of low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
A composite optical ribbon cable according to any of the above embodiments, wherein the optical ribbon body 9 is formed by at least one optical fiber ribbon, when the number of the optical fiber ribbons is equal to or greater than two, the optical fiber ribbon body 9 is formed by stacking a plurality of optical fiber ribbons, the optical fiber ribbons are formed by combining at least two optical fibers 102, and the types of the optical fibers 102 are g.652 type, g.653 type, g.654 type, g.655 type, g.656 type, g.657 type, A1a type, A1b type, or A1c type.
In any of the above embodiments, the first protective sheath 2, the second protective sheath 3, the third protective sheath 4 and the fourth protective sheath 5 are identical in structure.
In the invention, each protective sleeve is provided with an open slot, so that the internal electric unit 7 or optical unit 10 can be quickly and conveniently taken out of the protective sleeve during construction, and the transmission part cannot be damaged when the electric unit 7 or optical unit 10 is taken out, thereby improving the construction efficiency; the protective sleeve and the electric unit 7 or the optical unit 10 can be prefabricated in production, when orders are too many, the prefabricated electric unit 7 or the optical unit 10 only needs to be embedded into the protective sleeve from an open slot in the later stage, and production efficiency is improved; the protective sleeve is comma-shaped, the tail part of the protective sleeve is far away from the electric unit 7 or the optical unit 10, and when the cable receives pressure, the tail part of the protective sleeve can provide large pressure resistance to protect the electric unit 7 or the optical unit 10 inside; the optical fiber ribbon containing cavity is formed by surrounding a plurality of protective sleeves, the external outer protective layer 1 only needs to be taken out during construction, the protective sleeves do not need to be damaged, and the construction of the internal optical fiber ribbon body can be carried out quickly and conveniently; the electric units 7 are not contacted with each other, heat is slowly accumulated, the aging of the insulating layer is delayed, and the service life of the optical cable is prolonged; the comma-shaped bases of the first protective sleeve 2, the second protective sleeve 3, the third protective sleeve 4, the fourth protective sleeve 5 and the fifth protective sleeve 6 are a plane, so that the optical fiber ribbon cavities of the embodiments 1 and 3 are rectangular, and the optical fiber ribbon cavities of the embodiment 2 are pentagonal.
The invention solves the problem that the cutter is easy to scratch the electric unit when the electric unit is taken out in the prior art; when taking out the optical fiber tape body, the loose sleeve needs to be damaged, and the operation is inconvenient.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of this invention.
Claims (7)
1. The utility model provides a compound ribbon optical cable, has the cable core, the cable core comprises first protective sheath (2), second protective sheath (3), third protective sheath (4) and fourth protective sheath (5), the outer extrusion molding of cable core has outer jacket (1), its characterized in that: first protective sheath (2), second protective sheath (3), third protective sheath (4) and fourth protective sheath (5) are comma-shaped, first protective sheath (2) comprises first protective sheath main part (21), forms a first appearance chamber (23) on first protective sheath main part (21), first appearance chamber (23) lateral wall forms a first open slot (22), second protective sheath (3) comprises second protective sheath main part (31), forms a second appearance chamber (33) on second protective sheath main part (31), second appearance chamber (33) lateral wall forms a second open slot (32), third protective sheath (4) comprises third protective sheath main part (41), forms a third appearance chamber (43) on third protective sheath main part (41), third appearance chamber (43) lateral wall forms a third opening groove (42), fourth protective sheath (5) comprises fourth protective sheath main part (51), forms a fourth appearance chamber (53) on fourth protective sheath main part (51), fourth protection sheath (53) forms a third opening groove (42), the same protective sheath (3) of fourth protection side wall is placed to the same protective sheath side wall (2), fourth protection sleeve (3), fourth protection chamber (52) is rotatory along third protection sheath side wall (4), and fourth protection sleeve (52) is placed, an optical fiber ribbon containing cavity is defined by the middle parts of a second protective sleeve (3), a third protective sleeve (4) and a fourth protective sleeve (5), the optical fiber ribbon containing cavity is quadrilateral, an optical fiber ribbon body (9) is arranged in the optical fiber ribbon containing cavity, a filling component (8) is arranged between the first protective sleeve (2) and the second protective sleeve (3), between the second protective sleeve (3) and the third protective sleeve (4), between the third protective sleeve (4) and the fourth protective sleeve (5), and between the fourth protective sleeve (5) and the first protective sleeve (2), an electric unit (7) is respectively arranged in each of the first containing cavity (23), the second containing cavity (33), the third containing cavity (43) and the fourth containing cavity (53), the electric unit (7) is composed of a conductor (72) and an insulating layer (71) extruded outside the conductor (72), and the tail parts of the first protective sleeve (2), the second protective sleeve (3), the third protective sleeve (4) and the fourth protective sleeve (5) are positioned on the same circumference; the optical fiber belt body is composed of a plurality of optical fiber belts, the optical fiber belt body is formed by stacking a plurality of optical fiber belts, and the optical fiber belts are formed by combining at least two optical fibers (102).
2. A composite ribbon-shaped optical cable is provided with a cable core, wherein the cable core is composed of a first protective sleeve (2), a second protective sleeve (3), a third protective sleeve (4), a fourth protective sleeve (5) and a fifth protective sleeve (6), an outer protective layer (1) is extruded outside the cable core, and the composite ribbon-shaped optical cable is characterized in that the first protective sleeve (2), the second protective sleeve (3), the third protective sleeve (4), the fourth protective sleeve (5) and the fifth protective sleeve (6) are comma-shaped, the first protective sleeve (2) is composed of a first protective sleeve main body (21), a first containing cavity (23) is formed on the first protective sleeve main body (21), a first open cavity (22) is formed on the side wall of the first containing cavity (23), the second protective sleeve (3) is composed of a second protective sleeve main body (31), a second containing cavity (33) is formed on the second protective sleeve main body (31), a second containing cavity (32) is formed on the side wall of the second containing cavity (33), the third protective sleeve (4) is composed of a third protective sleeve main body (41), a fourth open cavity (43) is formed on the third protective sleeve main body (51), and a fourth open cavity (51) is formed on the side wall of the fourth protective sleeve main body (41), fourth holds chamber (53) lateral wall and forms a fourth open groove (52), fifth protection cover (6) comprises fifth protection cover main part (61), forms a fifth on fifth protection cover main part (61) and holds chamber (63), fifth appearance chamber (63) lateral wall forms a fifth open groove (62), first protection cover (2), second protection cover (3), third protection cover (4), fourth protection cover (5) and fifth protection cover (6) place along same direction of rotation, and first protection cover (2), second protection cover (3), third protection cover (4), fourth protection cover (5) and fifth protection cover (6) middle part enclose into an appearance chamber, the optic fibre area holds the chamber and is the pentagon, the optic fibre is held the intracavity and is equipped with optic fibre and holds between chamber (9), between first protection cover (2) and second protection cover (3), between second protection cover (3) and third protection cover (4), between third protection cover (4) and fourth protection cover (5), fourth protection cover (5) and fifth protection cover (6) and the chamber (7), are equipped with the electricity between first protection cover (7) and the fifth protection cover (23) and hold chamber (23), the chamber unit and the electricity is held respectively held between third protection cover (23), the chamber (33) and the third protection cover (7) is equipped with the third protection cover (3), the chamber (23) and the electricity is equipped with the chamber ) The electric unit (7) is composed of an electric conductor (72) and an insulating layer (71) extruded outside the electric conductor (72), and the first protective sleeve (2), the second protective sleeve (3), the third protective sleeve (4), the fourth protective sleeve (5) and the fifth protective sleeve (6) are positioned on the same circumference; the optical fiber belt body is composed of a plurality of optical fiber belts, the optical fiber belt body is formed by stacking a plurality of optical fiber belts, and the optical fiber belts are formed by combining at least two optical fibers (102).
3. The utility model provides a compound ribbon optical cable, has the cable core, the cable core comprises first protective sheath (2), second protective sheath (3), third protective sheath (4) and fourth protective sheath (5), the outer extrusion molding of cable core has outer jacket (1), its characterized in that: first protective sheath (2), second protective sheath (3), third protective sheath (4) and fourth protective sheath (5) are comma-shaped, first protective sheath (2) comprises first protective sheath main part (21), forms a first appearance chamber (23) on first protective sheath main part (21), first appearance chamber (23) lateral wall forms a first open slot (22), second protective sheath (3) comprises second protective sheath main part (31), forms a second appearance chamber (33) on second protective sheath main part (31), second appearance chamber (33) lateral wall forms a second open slot (32), third protective sheath (4) comprises third protective sheath main part (41), forms a third appearance chamber (43) on third protective sheath main part (41), third appearance chamber (43) lateral wall forms a third opening groove (42), fourth protective sheath (5) comprises fourth protective sheath main part (51), forms a fourth appearance chamber (53) on fourth protective sheath main part (51), fourth protection sheath (53) forms a third opening groove (42), the same protective sheath (3) of fourth protection side wall is placed to the same protective sheath side wall (2), fourth protection sleeve (3), fourth protection chamber (52) is rotatory along third protection sheath side wall (4), and fourth protection sleeve (52) is placed, an optical fiber ribbon containing cavity is defined by the middle parts of a second protective sleeve (3), a third protective sleeve (4) and a fourth protective sleeve (5), the optical fiber ribbon containing cavity is quadrilateral, an optical fiber ribbon body (9) is arranged in the optical fiber ribbon containing cavity, a filling component (8) is arranged between the first protective sleeve (2) and the second protective sleeve (3), between the second protective sleeve (3) and the third protective sleeve (4), between the third protective sleeve (4) and the fourth protective sleeve (5), and between the fourth protective sleeve (5) and the first protective sleeve (2), an optical unit (10) is respectively arranged in each of the first containing cavity (23), the second containing cavity (33), the third containing cavity (43) and the fourth containing cavity (53), the optical unit (10) is composed of a first loose sleeve (101) and a plurality of optical fibers (102) located in the first loose sleeve (101), and the tails of the first protective sleeve (2), the second protective sleeve (3), the third protective sleeve (4) and the fourth protective sleeve (5) are located on the same circumference; the optical fiber belt body is composed of a plurality of optical fiber belts, the optical fiber belt body is formed by stacking a plurality of optical fiber belts, and the optical fiber belts are formed by combining at least two optical fibers (102).
4. A composite optical ribbon according to any one of claims 1 to 3, characterized in that the filling member (8) material is polypropylene.
5. A composite optical ribbon cable according to claim 4, characterized in that the material of the outer sheath (1) is low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
6. A composite optical ribbon according to claim 5, characterized in that the optical fibers (102) are of type G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1 c.
7. A composite optical ribbon cable according to claim 3, characterized in that the material of the first loose tube (101) is polybutylene terephthalate or modified PP.
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| CN202111035307.1A CN113724935B (en) | 2021-09-06 | 2021-09-06 | Composite ribbon optical cable |
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| CN202111035307.1A CN113724935B (en) | 2021-09-06 | 2021-09-06 | Composite ribbon optical cable |
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| CN113724935B true CN113724935B (en) | 2023-03-14 |
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| CN115662682A (en) * | 2022-12-13 | 2023-01-31 | 常熟虞星光电科技有限公司 | Cable with S-shaped protective sleeve |
| CN117148528B (en) * | 2023-10-30 | 2023-12-29 | 江苏永鼎股份有限公司 | Self-supporting optical cable |
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| CN211263901U (en) * | 2020-02-10 | 2020-08-14 | 苏州知遇光电科技有限公司 | Ribbon optical cable and cable with same |
| CN111781695A (en) * | 2020-08-22 | 2020-10-16 | 常熟高通智能装备有限公司 | Spliced framework optical cable and cable |
| CN111863322A (en) * | 2020-08-22 | 2020-10-30 | 常熟高通智能装备有限公司 | Photoelectric hybrid cable with novel structure |
| CN212515159U (en) * | 2020-08-08 | 2021-02-09 | 常熟高通智能装备有限公司 | High-fiber-core-density optical cable for power communication |
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| JPS62125087A (en) * | 1985-11-21 | 1987-06-06 | 株式会社フジクラ | Method for twisting profile base wire |
| CN104078139A (en) * | 2014-07-21 | 2014-10-01 | 蔡洪祥 | Microgroove cable |
| CN211263901U (en) * | 2020-02-10 | 2020-08-14 | 苏州知遇光电科技有限公司 | Ribbon optical cable and cable with same |
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| CN113724935A (en) | 2021-11-30 |
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Address after: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Address before: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant before: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. |
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