CN114690350A - Optical cable with compact structure - Google Patents
Optical cable with compact structure Download PDFInfo
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- CN114690350A CN114690350A CN202210346145.1A CN202210346145A CN114690350A CN 114690350 A CN114690350 A CN 114690350A CN 202210346145 A CN202210346145 A CN 202210346145A CN 114690350 A CN114690350 A CN 114690350A
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- Prior art keywords
- tube
- central
- protection
- optical cable
- protective
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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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- 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
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Communication Cables (AREA)
Abstract
The invention belongs to the technical field of optical cables, and discloses an optical cable with a compact structure, which is provided with a loose tube (2), an electric conductor (6), an inner protective layer (8) and an outer protective sleeve (9), wherein a plurality of optical fibers (1) are arranged in the loose tube (2), the optical cable is characterized by also comprising a central protective tube (3), a protective tube (5) and an insulating sleeve (7), a central cavity (30) is arranged in the central protective tube, the loose tube (2) is positioned in the central cavity (30), a rectangular cavity (50) is arranged in the protective tube, an optical fiber belt body (4) is arranged in the rectangular cavity (50), a conductor accommodating cavity (70) is arranged in the insulating sleeve, the electric conductor (6) is positioned in the conductor accommodating cavity (70), the inner protective tube (8) covers all the protective tubes (5) and the insulating sleeve (7), and the outer protective sleeve (9) is coated on the inner protective layer (8) in an extrusion molding manner. The application mainly has the following beneficial technical effects: the product has the advantages of more compact structure, smaller outer diameter, higher space utilization rate, lower cost and higher fiber core density.
Description
Technical Field
The invention belongs to the technical field of optical cables, and particularly relates to an optical cable with a compact structure.
Background
With the requirements of low carbon and environmental protection and the requirements of low cost and stable quality, the miniaturization of the optical cable is more and more emphasized in the industry, and therefore, the industry is continuously researched.
CN105632645A a compact structure's photoelectricity is synthesized cable, it includes many optic fibre, reinforcing element, oversheath, its characterized in that it still includes central supporter, peripheral supporter and many connecting strips that connect central supporter with the peripheral supporter, and the connecting strip, the outer space of central supporter, the inner space of peripheral supporter form a plurality of and hold the fine chamber, and optic fibre is located holding the fine chamber, and the oversheath is located outside the peripheral supporter, and the reinforcing element is located in the oversheath or is located between peripheral supporter and the oversheath. The invention also discloses a manufacturing method thereof; the composite cable of the invention has the following main beneficial effects: the structure is more compact, the overall dimension is smaller, the cost is lower, and the pressure/impact/bending resistance is stronger; the manufacturing method is simple and easy to master, and has the advantages of high production speed, low power consumption and low process cost.
CN209895046U an optical cable with compact structure, comprising an optical unit, a reinforcing layer, a reinforcing element and a sheath layer; the method is characterized in that: a light unit having optical fibers and a protective layer, the optical fibers having the same diameter; the optical fibers are tangent pairwise, the gap outside the adjacent optical fibers is called as an outer gap, the optical fibers are internally tangent to a cylindrical inner tangent layer, the axis of the inner tangent layer is superposed with the axis of the protective layer, the diameter of the inner tangent layer is not larger than that of the inner edge of the protective layer, and optical fibers with the same diameter as the optical fibers cannot be accommodated between any outer gap and the inner edge of the corresponding protective layer; the optical fibers tangent to each other in pairs form a cylindrical space inside, which can be simultaneously tangent to the optical fibers, and the diameter of the cylindrical space is smaller than that of the optical fibers. It has the following beneficial technical effects: the diameter of the optical cable is reduced, the cost is lower, the weight is lighter, the laying and the maintenance are more convenient, and the occupied space is less.
CN214505047U compound low tension cable of compact optic fibre, including the optic fibre cable, four electric wire cables, around the band, the silicon rubber sheath, weave shielding and low smoke and zero halogen flame retardant sheath, the optic fibre cable overcoat is equipped with the reinforcement core, the outer fringe integrated into one piece of reinforcement core has four to embrace the holding strip, adjacent embrace to form between the holding strip with the arc of electric wire cable looks butt sunken, embrace the gradual inflation strip in top integrated into one piece of holding the holding strip, the gradual inflation strip is formed along the radial successive layer stack of cable by at least three waist shape strip, the outer fringe and the electric wire cable counterbalance of waist shape strip. It separates each electric wire cable through embracing the holding strip on the strengthening core, avoids electric wire cable displacement to cause the optic fibre cable to damage to there is the gap through adjacent waist shape strip, improved the frictional force between waist shape strip and electric wire cable, effectively hinder electric wire cable to take place the displacement, cable structure is compact, and the outward appearance is round and complete.
CN2288456Y discloses a central tube type railway small integrated optical cable suitable for railway communication network construction. The optical fiber cable is characterized in that a central tube type multi-core optical fiber unit is used as a support, and a round cable core with a compact structure, which is composed of a certain number of metal four-wire groups and twisted pairs, is arranged around the central tube type multi-core optical fiber unit. Not only cancels external reinforcement elements and fills the blank combination which can not be realized according to the traditional layer-twisting type, but also the capacity of the composite material is more matched with the actual requirement at present. The metal armor layer outside the cable core is respectively wrapped with two layers of high magnetic conductive steel strips and common steel strips outside the aluminum sheath according to different shielding requirements of electrified railways and non-electrified railways. Compared with the railway large comprehensive and bundle tube type small comprehensive optical cable adopted at the present stage, the railway large comprehensive and bundle tube type small comprehensive optical cable has the advantages of less material consumption, lighter weight, longer manufacturing length, more convenient construction and maintenance and lower cost.
However, with the increasing demands of optical-electrical composite and one-cable-to-home, the core density of the optical-electrical composite or composite cable is required to be higher, and the requirements of miniaturization and compactness of the optical fiber ribbon power supply composite cable cannot be met.
Disclosure of Invention
In order to solve the above problems, the present invention discloses an optical cable with a compact structure, which is implemented by the following technical solutions.
An optical cable with compact structure comprises a loose tube, an electric conductor, an inner protective layer and an outer protective sleeve, wherein a plurality of optical fibers are arranged in the loose tube, its characterized in that still has central pillar, many rectangular bodily form's protection tube, many triangular prism bodily form's insulating cover, central pillar is multiaspect cylinder shape, central chamber has inside the central chamber of central pillar, the pine sleeve pipe is located the central chamber, the inside rectangle chamber that has of protection tube, the rectangle intracavity has many optic fibre area bodies of placing with range upon range of mode, the inside conductor chamber that holds that has of insulating cover, the electric conductor is located and holds the conductor intracavity, a surface of every protection tube all hugs closely with a surface of central pillar mutually, insulating cover is located between the adjacent protection tube, there are two sides to paste with the surface of adjacent insulating cover respectively in the three side of insulating cover, the inner sheath covers all protection tubes and insulating cover cladding, the oversheath cladding is on the inner sheath.
An optical cable with a compact structure comprises a loose tube, an electric conductor, an inner protection layer and an outer sheath, wherein a plurality of optical fibers are arranged in the loose tube; the protection tube is internally provided with a rectangular cavity, each outer side wall of the protection tube is provided with a trapezoidal groove, the opening of the trapezoidal groove on the outer surface of the protection tube is smaller, the opening of the trapezoidal groove close to the inner wall of the protection tube is larger, and the rectangular cavity is internally provided with a plurality of optical fiber belt bodies which are arranged in a laminated mode; a conductor accommodating cavity is formed in the insulating sleeve, a third clamping strip and a fourth clamping strip which are separated towards two sides are arranged on two outer side walls of the insulating sleeve, a clamping groove is formed between the third clamping strip and the fourth clamping strip, and the conductor is positioned in the conductor accommodating cavity; one outer surface of each protection tube is clung to one outer surface of the central protection tube, and the trapezoidal groove of the protection tube at the joint is sleeved on the first clamping strip and the second clamping strip of the central protection tube; the insulating sleeve is positioned between the adjacent protection pipes, two side surfaces of three side surfaces of the insulating sleeve are respectively attached to the outer surfaces of the adjacent insulating sleeves, and the trapezoidal grooves of the protection pipes are sleeved on the third clamping strip and the fourth clamping strip of the insulating sleeve; the inner sheath covers all the protection tubes and the insulating sleeves, and the outer sheath is coated on the inner sheath in an extrusion molding manner.
A compact optical cable, substantially as hereinbefore described, except that: one, do not have many optic fibre, loose tube, central protective tube; and secondly, the central protective tube is replaced by one protective tube, and the outer protective tubes are provided with four protective tubes.
A compact optical cable, substantially as hereinbefore described, except that: one, no loose tube exists, and two, many optic fibres are located in the central cavity.
The optical cable with compact structure is characterized in that the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c, A1d or A1 e.
The optical cable with compact structure is characterized in that the loose tube is made of polybutylene terephthalate or a composite material containing polypropylene.
The optical cable with compact structure is characterized in that the material of the central protective tube is plastic.
An optical cable with a compact structure as described above is characterized in that the material of the protective tube is plastic.
The optical cable with compact structure is characterized in that the material of the electric conductor is copper or aluminum or alloy.
The optical cable with compact structure is characterized in that the insulating sleeve is made of plastic.
The optical cable with the compact structure is characterized in that the inner protection layer is made of steel strips or aluminum strips or water-blocking strips or non-woven fabrics or polyester fibers, and the inner protection layer is coated in a spiral mode.
The optical cable with compact structure is characterized in that the outer sheath is made of plastic.
The optical cable with compact structure is characterized in that the central protective tube is of an integrated structure.
The optical cable with compact structure is characterized in that the protection tube is of an integrated structure.
The optical cable with the compact structure is characterized in that the insulating sleeve is of an integrated structure.
The application mainly has the following beneficial technical effects: the product has the advantages of more compact structure, smaller outer diameter, higher space utilization rate, lower cost and higher fiber core density.
Drawings
Fig. 1 is a schematic perspective view of a section of an anatomical structure according to example 1 of the present invention.
Fig. 2 is a schematic cross-sectional view of fig. 1 after enlargement.
Fig. 3 is a schematic perspective view of a central sheath used in example 2 of the present invention after dissection.
Fig. 4 is a schematic cross-sectional view of fig. 3 after enlargement.
Fig. 5 is a schematic perspective view of a dissected segment of a protective tube used in example 2 of the present invention.
Fig. 6 is a schematic cross-sectional view of fig. 5 after enlargement.
Fig. 7 is a schematic perspective view of an insulation cover used in example 2 of the present invention after being cut out.
Fig. 8 is a schematic cross-sectional view of fig. 7 after enlargement.
Fig. 9 is a schematic perspective view of a dissected portion of example 3 of the present invention.
Fig. 10 is a schematic cross-sectional view of fig. 9 after enlargement.
Fig. 11 is a schematic cross-sectional structure of embodiment 4 of the present invention.
In the figure: 1-optical fiber, 2-loose tube, 3-central protective tube, 4-optical fiber band, 5-protective tube, 6-electric conductor, 7-insulating sleeve, 8-inner protective layer, 9-outer protective sleeve, 30-central cavity, 31-first clamping strip, 32-second clamping strip, 33-clamping strip groove, 50-rectangular cavity, 53-trapezoidal groove, 70-conductor containing cavity, 71-third clamping strip, 72-fourth clamping strip, 73-clamping groove.
Detailed Description
Examples 1
Referring to fig. 1 and 2, an optical cable with a compact structure includes a loose tube 2, a conductive body 6, an inner protection layer 8, an outer sheath 9, a plurality of optical fibers 1 in the loose tube 2, and is characterized in that the optical cable further includes a central protection tube 3, a plurality of rectangular protection tubes 5, and a plurality of triangular prism-shaped insulation sleeves 7, the central protection tube 3 is in a multi-face cylinder shape, the central protection tube 3 has a central cavity 30 therein, the loose tube 2 is located in the central cavity 30, the protection tubes 5 have rectangular cavities 50 therein, the rectangular cavities 50 have a plurality of optical fiber ribbons 4 arranged in a stacked manner, the insulation sleeves 7 have conductor accommodating cavities 70 therein, the conductive body 6 is located in the conductor accommodating cavities 70, one outer surface of each protection tube 5 is closely attached to one outer surface of the central protection tube 3, the insulation sleeves 7 are located between adjacent protection tubes 5, two sides of three sides of the insulation sleeves 7 are respectively attached to outer surfaces of adjacent insulation sleeves 7, the inner sheath 8 covers all the protection tubes 5 and the insulating sleeves 7, and the outer sheath 9 is coated on the inner sheath 8 in an extrusion molding mode.
EXAMPLES example 2
Referring to fig. 3 to 8 and fig. 1 and 2, an optical cable with a compact structure includes a loose tube 2, a conductor 6, an inner sheath 8, and an outer sheath 9, wherein a plurality of optical fibers 1 are disposed in the loose tube 2, and the optical cable is characterized by further including a central protective tube 3, a plurality of rectangular protective tubes 5, and a plurality of triangular prism-shaped insulating sleeves 7, wherein the central protective tube 3 is in a multi-surface cylinder shape, a central cavity 30 is disposed inside the central protective tube 3, a first locking strip 31 and a second locking strip 32 which are separated from each other towards two sides are disposed on each outer surface of the central protective tube 3, a locking strip groove 33 is formed between the first locking strip 31 and the second locking strip 32, and the loose tube 2 is disposed in the central cavity 30; the protection tube 5 is internally provided with a rectangular cavity 50, each outer side wall of the protection tube 5 is provided with a trapezoidal groove 53, the opening of the trapezoidal groove 53 on the outer surface of the protection tube 5 is smaller, the opening of the trapezoidal groove 53 close to the inner wall of the protection tube 5 is larger, and the rectangular cavity 50 is internally provided with a plurality of optical fiber belt bodies 4 which are arranged in a laminating way; a conductor accommodating cavity 70 is formed in the insulating sleeve 7, a third clamping strip 71 and a fourth clamping strip 72 which are separated towards two sides are arranged on two outer side walls of the insulating sleeve 7, a clamping groove 73 is formed between the third clamping strip 71 and the fourth clamping strip 72, and the electric conductor 6 is positioned in the conductor accommodating cavity 70; one outer surface of each protection tube 5 is closely attached to one outer surface of the central protection tube 3, and the trapezoidal groove 53 of the protection tube 5 at the connection part is sleeved on the first clamping strip 31 and the second clamping strip 32 of the central protection tube 3; the insulating sleeve 7 is positioned between the adjacent protection tubes 5, two side surfaces of three side surfaces of the insulating sleeve 7 are respectively attached to the outer surfaces of the adjacent insulating sleeves 7, and the trapezoidal groove 53 of each protection tube 5 is sleeved on the third clamping strip 71 and the fourth clamping strip 72 of each insulating sleeve 7; the inner sheath 8 wraps all protection tubes 5 and insulating sheaths 7, and the outer sheath 9 is wrapped on the inner sheath 8 in an extrusion molding manner.
EXAMPLE 3
Referring to fig. 9 to 10 and fig. 1 to 10, a compact optical cable is substantially the same as embodiment 1 or embodiment 2, except that: one, there are not many optic fibre 1, loose tube 2, central protective tube 3; secondly, the central protection tube 3 is replaced by one protection tube 5, and the outer protection tubes 5 have four.
EXAMPLE 4
Referring to fig. 11 and fig. 1 to 11, a compact optical cable is substantially the same as embodiment 1 or embodiment 2, except that: one, no loose tube 2 is present and two, more optical fibers 1 are located within the central lumen 30.
The optical cable with compact structure is characterized in that the type of the optical fiber 1 is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c, A1d or A1 e.
The optical cable with compact structure is characterized in that the loose tube is made of polybutylene terephthalate or a composite material containing polypropylene.
The optical cable with compact structure is characterized in that the material of the central protective tube is plastic.
An optical cable with a compact structure as described above is characterized in that the material of the protective tube is plastic.
The optical cable with compact structure is characterized in that the material of the electric conductor is copper or aluminum or alloy.
The optical cable with compact structure is characterized in that the insulating sleeve is made of plastic.
The optical cable with the compact structure is characterized in that the inner protection layer is made of steel strips or aluminum strips or water-blocking strips or non-woven fabrics or polyester fibers, and the inner protection layer is coated in a spiral mode.
The optical cable with compact structure is characterized in that the outer sheath is made of plastic.
The optical cable with compact structure is characterized in that the central protective tube is of an integrated structure.
The optical cable with compact structure is characterized in that the protection tube is of an integrated structure.
The optical cable with the compact structure is characterized in that the insulating sleeve is of an integrated structure.
In the application, the first clamping strip and the second clamping strip have elasticity and can be firmly clamped with the trapezoidal groove; the third clamping strip and the fourth clamping strip are also elastic and can be firmly clamped in the trapezoidal groove; and can conveniently part, first card strip, second card strip, third card strip, fourth card strip elastic recovery after part have conveniently realized equipment and dismantlement.
In this application, make full use of the space, same cable both can realize the electricity and can realize optical transmission.
In the present application, the central protection tube is preferably a regular polygonal prism, and correspondingly the protection tube is preferably a regular quadrangular prism, and the insulation sleeve is preferably a regular triangular prism, so that the space can be utilized to the maximum extent; of course, as in the third embodiment, the insulating sheath is preferably a prism body having a cross section of an isosceles right triangle.
In this application, it is preferable that the outer edge of the insulating sheath and the outer edge of the protective tube are on the same circumference.
The application can also be called a compact optical fiber ribbon cable.
Through measurement and calculation, the space utilization rate inside the inner protection layer 8 in the application reaches more than 90%, and along with the increase of the number of the insulating sleeves and the protection pipes, the space utilization rate can reach more than 95%, so that the space is greatly saved, and if the device is used for pipeline laying and the like, smaller pipeline resources can be purchased, the annual renting cost is reduced, and the like; the conductor in this application both can be used to transmit electric power, can also transmit electrical signal, and the optical fiber ribbon in this application it is specified in YD/T979, or other easily realize, and the range upon range of formation optical fiber tape body is followed to many optical fiber ribbons, but the make full use of space resource, increase communication density.
The application mainly has the following beneficial technical effects: the product has the advantages of more compact structure, smaller outer diameter, higher space utilization rate, lower cost and higher fiber core density.
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 the invention.
Claims (10)
1. An optical cable with a compact structure is provided with a loose tube (2), an electric conductor (6), an inner protection layer (8) and an outer sheath (9), wherein a plurality of optical fibers (1) are arranged in the loose tube (2), the optical cable is characterized by also comprising a central protection tube (3), a plurality of cuboid-shaped protection tubes (5) and a plurality of triangular prism-shaped insulation sleeves (7), the central protection tube (3) is in a multi-surface cylinder shape, a central cavity (30) is arranged inside the central protection tube (3), the loose tube (2) is positioned in the central cavity (30), a rectangular cavity (50) is arranged inside the protection tube (5), a plurality of optical fiber belt bodies (4) which are arranged in a stacking mode are arranged inside the rectangular cavity (50), a conductor accommodating cavity (70) is arranged inside the insulation sleeve (7), the electric conductor (6) is positioned in the conductor accommodating cavity (70), one outer surface of each protection tube (5) is tightly attached to one outer surface of the central protection tube (3), insulating sheath (7) are located between adjacent protection tube (5), have two sides in the three side of insulating sheath (7) to paste mutually with the surface of adjacent insulating sheath (7) respectively, and inner sheath (8) live with all protection tube (5) and insulating sheath (7) cladding, and oversheath (9) extrusion molding cladding is on inner sheath (8).
2. An optical cable with a compact structure is provided with a loose tube (2), an electric conductor (6), an inner protection layer (8) and an outer sheath (9), wherein a plurality of optical fibers (1) are arranged in the loose tube (2), the optical cable is characterized by further comprising a central protective tube (3), a plurality of cuboid-shaped protective tubes (5) and a plurality of triangular prism-shaped insulating sleeves (7), the central protective tube (3) is in a multi-face cylinder shape, a central cavity (30) is formed inside the central protective tube (3), each outer surface of the central protective tube (3) is provided with a first clamping strip (31) and a second clamping strip (32) which are separated towards two sides, a clamping strip groove (33) is formed between the first clamping strip (31) and the second clamping strip (32), and the loose tube (2) is positioned in the central cavity (30); a rectangular cavity (50) is formed in the protection tube (5), a trapezoidal groove (53) is formed in each outer side wall of the protection tube (5), the opening of the trapezoidal groove (53) on the outer surface of the protection tube (5) is smaller, the opening of the trapezoidal groove (53) close to the inner wall of the protection tube (5) is larger, and a plurality of optical fiber belt bodies (4) which are arranged in a stacking mode are arranged in the rectangular cavity (50); a conductor accommodating cavity (70) is formed in the insulating sleeve (7), a third clamping strip (71) and a fourth clamping strip (72) which are separated towards two sides are arranged on two outer side walls of the insulating sleeve (7), a clamping groove (73) is formed between the third clamping strip (71) and the fourth clamping strip (72), and the conductor (6) is located in the conductor accommodating cavity (70); one outer surface of each protection tube (5) is tightly attached to one outer surface of the central protection tube (3), and the trapezoidal groove (53) of the protection tube (5) at the connection part is sleeved on the first clamping strip (31) and the second clamping strip (32) of the central protection tube (3); the insulating sleeve (7) is positioned between the adjacent protection pipes (5), two side surfaces of three side surfaces of the insulating sleeve (7) are respectively attached to the outer surfaces of the adjacent insulating sleeve (7), and the trapezoidal groove (53) of each protection pipe (5) is sleeved on the third clamping strip (71) and the fourth clamping strip (72) of the insulating sleeve (7); all the protection tubes (5) and the insulating sleeves (7) are coated by the inner protective layer (8), and the outer protective sleeve (9) is coated on the inner protective layer (8) in an extrusion molding manner.
3. A compact optical cable as claimed in claim 1 or claim 2, wherein: a plurality of optical fibers (1), a loose tube (2) and a central protective tube (3) do not exist; the central protective tube (3) is replaced by one protective tube (5), and the outer protective tubes (5) have four.
4. A compact optical cable as claimed in claim 1 or claim 2, wherein: the loose tube (2) is absent and the plurality of optical fibers (1) are located within the central lumen (30).
5. A compact optical cable as claimed in claim 1 or claim 2, wherein the optical fibres are of the type 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 or A1 e.
6. A compact optical cable as claimed in claim 1 or claim 2, wherein the material of the loose tube is polybutylene terephthalate or a composite material containing polypropylene.
7. A compact optical cable as claimed in claim 1 or claim 2, wherein the material of the central protective tube is plastic.
8. A compact optical cable according to claim 1 or claim 2, wherein the material of the protective tube is plastic.
9. A compact optical cable as claimed in claim 1 or claim 2, wherein the material of the electrical conductor is aluminium or an alloy thereof.
10. A compact optical cable as claimed in claim 1 or claim 2, wherein the insulating sheath is of a plastics material; the inner protective layer is made of steel strips or aluminum strips or water-blocking strips or non-woven fabrics or polyester fibers; the outer sheath is made of plastic; the central protective tube is of an integrated structure; each protection tube is of an integrated structure; each insulating sleeve is of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210346145.1A CN114690350A (en) | 2022-04-01 | 2022-04-01 | Optical cable with compact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210346145.1A CN114690350A (en) | 2022-04-01 | 2022-04-01 | Optical cable with compact structure |
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| Publication Number | Publication Date |
|---|---|
| CN114690350A true CN114690350A (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210346145.1A Pending CN114690350A (en) | 2022-04-01 | 2022-04-01 | Optical cable with compact structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116577892A (en) * | 2023-07-14 | 2023-08-11 | 江苏永鼎股份有限公司 | Butterfly-shaped lead-in optical cable with embedded structure |
-
2022
- 2022-04-01 CN CN202210346145.1A patent/CN114690350A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116577892A (en) * | 2023-07-14 | 2023-08-11 | 江苏永鼎股份有限公司 | Butterfly-shaped lead-in optical cable with embedded structure |
| CN116577892B (en) * | 2023-07-14 | 2023-09-08 | 江苏永鼎股份有限公司 | Butterfly-shaped lead-in optical cable with embedded structure |
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