CN112805605A - Spliced framework optical cable and cable - Google Patents
Spliced framework optical cable and cable Download PDFInfo
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- CN112805605A CN112805605A CN202080005250.8A CN202080005250A CN112805605A CN 112805605 A CN112805605 A CN 112805605A CN 202080005250 A CN202080005250 A CN 202080005250A CN 112805605 A CN112805605 A CN 112805605A
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- limiting strip
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- optical fiber
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- 239000013307 optical fiber Substances 0.000 claims abstract description 79
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- 239000004020 conductor Substances 0.000 claims description 12
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- -1 polybutylene terephthalate Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
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- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
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- 239000003063 flame retardant Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 229920001179 medium density polyethylene Polymers 0.000 description 2
- 239000004701 medium-density polyethylene Substances 0.000 description 2
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Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- 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
- 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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
-
- 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)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention belongs to the field of cables, and particularly relates to a spliced skeleton optical cable which is provided with an outer protective layer (1) and a skeleton assembly, and is characterized in that the skeleton assembly is composed of at least three skeletons (2), the skeleton assembly is composed of at least three skeletons, the skeleton is composed of a skeleton main body, a first limit strip and a second limit strip, the skeleton main body is composed of an arc part and a straight part, the lower part of the right side edge of the straight part is also provided with a folded edge, an optical fiber containing cavity is formed in the skeleton main body, the first limit strip and the second limit strip are connected to the bottom of the straight part in a clockwise direction, the second limit strip of the former skeleton is positioned above the first limit strip of the latter skeleton, the former skeleton and the latter skeleton are mutually abutted, at least one optical fiber is arranged in the optical fiber containing cavity, the outer protective layer is extruded outside the skeleton assembly, the invention has the advantages of simple structure, cost saving, energy saving, safety, compression resistance, impact resistance, high yield, convenient construction and the like.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a spliced skeleton optical cable and a cable.
Background
With the continuous development of the communication industry in China, the application of optical cables is more and more, and the skeleton type optical cable in the prior art comprises a skeleton and an outer sheath for coating the skeleton, and is characterized in that optical fibers are arranged in skeleton grooves of the skeleton.
The above prior art has the following disadvantages: 1. the outer diameter of the framework is relatively large, and large thermal shrinkage is easily generated after extrusion molding and cooling, so that the probability of producing inferior-quality optical cables is increased, or a special process is adopted, such as layered extrusion molding, and the like, so that the production efficiency is reduced; 2. the product has poor impact resistance at the framework groove; 3. the optical cable is high in cost.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a splicing framework optical cable and a splicing framework electric cable, which are realized by adopting the following technical scheme.
A spliced skeleton optical cable is provided with an outer protective layer and a skeleton assembly and is characterized in that the skeleton assembly is composed of at least three skeletons, each skeleton is composed of a skeleton main body, a first limiting strip and a second limiting strip, the skeleton main body is in a sickle shape and is composed of an arc-shaped part and a straight-shaped part, the lower part of the right side edge of the straight-shaped part is further provided with a folded edge, an optical fiber accommodating cavity is formed inside the skeleton main body, the first limiting strip and the second limiting strip are connected to the bottom of the straight-shaped part, a first included angle alpha is formed between the first limiting strip and the second limiting strip, the angle of the first included angle alpha is 360 degrees/the number of the skeletons, a second included angle beta is formed between the first limiting strip and the folded edge, the angle beta is 90 degrees, and a third included angle gamma is formed between the second limiting strip and the side edge of the straight-shaped part on one side of the second limiting strip and is, clockwise, the second spacing of preceding skeleton is located the first spacing top of next skeleton, and the second spacing of preceding skeleton supports the hem of next skeleton, and the first spacing of next skeleton supports the first spacing of preceding skeleton to hold the chamber at the central center of optical cable shape, the length of hem is greater than the width of second spacing, optic fibre holds the intracavity and is equipped with an at least optic fibre, all arc parts enclose into a ring, outer jacket extrusion molding is outside a ring that all arc parts enclose.
The splicing framework optical cable is characterized in that the width of the optical fiber accommodating cavity is larger than one time of the outer diameter of the optical fiber and smaller than two times of the outer diameter of the optical fiber.
The splicing framework optical cable is characterized in that a filling component is arranged in a space formed between the framework main body of the later framework and the straight part of the previous framework and the second limiting strip and used for improving the shock resistance of the optical cable, the shape of the filling component is the same as that of the space, each edge of the filling component is attached to each edge corresponding to the space, and the filling component has elasticity.
The spliced skeleton optical cable is characterized in that the filling component is made of silica gel or sponge.
The splicing framework optical cable is characterized in that a loose sleeve is arranged in a space formed between the framework main body of the next framework and the straight part of the previous framework and the second limiting strip, the shape of the loose sleeve is the same as that of the space, each side of the loose sleeve is attached to each side corresponding to the space, and at least one optical communication component is arranged in the loose sleeve.
The spliced skeleton optical cable is characterized in that the optical communication component is an optical fiber or an optical fiber ribbon formed by combining at least two optical fibers.
The spliced skeleton optical cable is characterized in that the loose tube material is polybutylene terephthalate or modified polypropylene.
The spliced skeleton optical cable is characterized in that the outer protective layer is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The spliced skeleton optical cable is characterized in that the skeleton material is high-density polyethylene.
The splicing framework optical 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.
A spliced skeleton cable is provided with an outer protective layer and a skeleton assembly and is characterized in that the skeleton assembly is composed of four skeletons, each skeleton is composed of a skeleton main body, a first limiting strip and a second limiting strip, the skeleton main body is in a sickle shape and is composed of an arc part and a straight part, a folded edge is further formed at the lower part of the right side edge of the straight part, an optical fiber accommodating cavity is formed inside the skeleton main body, the first limiting strip and the second limiting strip are connected to the bottom of the straight part, a first included angle is formed between the first limiting strip and the second limiting strip, the first included angle is 90 degrees, the first limiting strip and the folded edge form a second included angle, the second included angle is 90 degrees, the second limiting strip and the side edge of the straight part on one side of the second limiting strip form a third included angle of 135 degrees in the clockwise direction, the second limiting strip of the former skeleton is positioned above the first limiting strip of the latter skeleton, the second limiting strip of the former framework abuts against the folded edge of the latter framework, the first limiting strip of the latter framework abuts against the first limiting strip of the former framework, a central containing cavity is formed in the center of the optical cable, a power transmission part is arranged in a space formed between the framework main body of the latter framework and the straight part and the second limiting strip of the former framework, the shape of the power transmission part is the same as that of the space, each edge of the power transmission part is attached to each edge corresponding to the space, the length of the folded edge is larger than the width of the second limiting strip, at least one optical fiber is arranged in the optical fiber containing cavity, the width of the optical fiber containing cavity is larger than one time of the outer diameter of the optical fiber and smaller than two times of the outer diameter of the optical fiber, all arc parts form a circular ring in a surrounding manner, and the outer protective layer is extruded outside the circular ring formed; the power transmission component is a sector conductor, or the power transmission component is an insulated wire composed of a sector conductor and an insulating layer coated outside the sector conductor.
The splicing framework cable is characterized in that a reinforcing element matched with the size of the central accommodating cavity is arranged in the central accommodating cavity.
The spliced skeleton cable is characterized in that the reinforcing element is made of copper or aluminum or iron or glass fiber reinforced plastic.
In the invention, the width of the optical fiber cavity is more than one time of the outer diameter of the optical fiber and less than two times of the outer diameter of the optical fiber, so that the optical fibers in the optical fiber cavity are in sequence like an optical fiber ribbon, therefore, the optical fibers can not be colored, and the production cost of the optical cable is saved; one end of the framework is fixed by splicing the first limiting strip and the second limiting strip, and binding yarns and the like are not needed, so that materials for binding are saved; during construction, no hank needs to be withdrawn, no yarn needs to be cut and tied, and the yarn is convenient to take out and construct; the framework component consists of a plurality of frameworks, and can be spliced under the condition of non-high temperature by adopting a prefabricated part mode, so that the safety and the energy saving are realized; the framework component is divided into a plurality of frameworks, so that the relative thickness of the framework component can be reduced, the phenomenon that the thermal shrinkage of the framework component is too large due to the fact that the thickness of the framework component is too large can be effectively prevented, and the rate of finished products is improved; the central containing cavity formed by the centers of the frameworks indirectly reduces the materials of the framework components and reduces the cost; the one end of the arc part of skeleton main part is not fixed, can make the optical cable have better shock resistance through the elasticity that skeleton main part self has, and the straight shape part of skeleton can play the supporting role, strengthens the compressive property of optical cable.
Therefore, the invention has the advantages of simple structure, cost saving, energy saving, safety, compression resistance, impact resistance, high yield, convenient construction and the like.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
FIG. 3 is a schematic diagram of the framework structure of the present invention.
In the figure: 1. the optical fiber cable comprises an outer protective layer, 2 parts of a framework, 21 parts of a framework main body, 211 parts of an arc part, 212 parts of a straight part, 22 parts of an optical fiber cavity, 23 parts of a first limiting strip, 24 parts of a second limiting strip, 25 parts of a folded edge, 3 parts of a central cavity, 4 parts of a filling component, 5 parts of a loose tube, 6 parts of an optical communication component, alpha, a first included angle, beta, a second included angle and gamma, and a third included angle.
Detailed Description
Example 1
Referring to fig. 1 and 3, a spliced skeleton optical cable has an outer sheath 1 and a skeleton assembly, and is characterized in that the skeleton assembly is composed of four skeletons 2, each skeleton 2 is composed of a skeleton main body 21, a first limiting strip 23 and a second limiting strip 24, the skeleton main body 21 is in a sickle shape and is composed of an arc-shaped part 211 and a straight-shaped part 212, a folded edge is further formed at the lower part of the right side edge of the straight-shaped part 212, an optical fiber accommodating cavity 22 is formed inside the skeleton main body 21, the first limiting strip 23 and the second limiting strip 24 are connected to the bottom of the straight-shaped part 212, a first included angle α is formed between the first limiting strip 23 and the second limiting strip 24, the first included angle α is 90 °, a second included angle β is formed between the first limiting strip 23 and the folded edge 25, the second included angle β is 90 °, a third included angle γ is formed between the second limiting strip 24 and the side edge of the straight-shaped part 212 on one side of the second limiting strip 24, clockwise, the second limit strip 24 of the former framework 2 is positioned above the first limit strip 23 of the latter framework 2, the second limit strip 24 of the former framework 2 abuts against the folded edge 25 of the latter framework 2, the first limit strip 23 of the latter framework 2 abuts against the first limit strip 23 of the former framework 2, a central cavity 3 is formed in the center of the optical cable, a filling component 4 is arranged in a space formed between the framework main body 21 of the latter framework 2 and the straight part 212 and the second limit strip 24 of the former framework 2 and used for improving the impact resistance of the optical cable, the shape of the filling component 4 is the same as that of the space, each edge of the filling component 4 is attached to each edge corresponding to the space, the filling component 4 has elasticity, the length of the folded edge 25 is greater than the width of the second limit strip 24, at least one optical fiber is arranged in the optical fiber cavity 22, the width of the optical fiber accommodating cavity 22 is greater than one time of the outer diameter of the optical fiber and less than two times of the outer diameter of the optical fiber, all the arc-shaped parts 211 enclose a ring, and the outer protective layer 1 is extruded outside the ring enclosed by all the arc-shaped parts 211.
The spliced skeleton optical cable is characterized in that the filling component 4 is made of silica gel or sponge.
Example 2
Referring to fig. 2 and 3, a spliced skeleton optical cable comprises an outer sheath 1 and a skeleton assembly, and is characterized in that the skeleton assembly is composed of four skeletons 2, each skeleton 2 is composed of a skeleton main body 21, a first limiting strip 23 and a second limiting strip 24, the skeleton main body 21 is in a sickle shape and is composed of an arc-shaped part 211 and a straight-shaped part 212, a folded edge is further formed at the lower part of the right side edge of the straight-shaped part 212, an optical fiber accommodating cavity 22 is formed inside the skeleton main body 21, the first limiting strip 23 and the second limiting strip 24 are connected to the bottom of the straight-shaped part 212, a first included angle α is formed between the first limiting strip 23 and the second limiting strip 24, the first included angle α is 90 °, a second included angle β is formed between the first limiting strip 23 and the folded edge 25, the second included angle β is 90 °, a third included angle γ is formed between the second limiting strip 24 and the side edge of the straight-shaped part 212 on one side of the second limiting strip 24, clockwise, the second limit strip 24 of the previous framework 2 is positioned above the first limit strip 23 of the next framework 2, the second limit strip 24 of the previous framework 2 abuts against the folded edge 25 of the next framework 2, the first limit strip 23 of the next framework 2 abuts against the first limit strip 23 of the previous framework 2, a central cavity 3 is formed in the center of the optical cable, a space formed between the framework main body 21 of the next framework 2 and the straight part 212 and the second limit strip 24 of the previous framework 2 is internally provided with a loose tube 5, the shape of the loose tube 5 is the same as that of the space, each edge of the loose tube 5 is attached to each edge corresponding to the space, at least one optical communication part 6 is arranged in the loose tube 5, the optical communication part 6 is an optical fiber, the length of the folded edge 25 is greater than the width of the second limit strip 24, at least one optical fiber is arranged in the optical fiber cavity 22, the width of the optical fiber accommodating cavity 22 is greater than one time of the outer diameter of the optical fiber and less than two times of the outer diameter of the optical fiber, all the arc-shaped parts 211 enclose a ring, and the outer protective layer 1 is extruded outside the ring enclosed by all the arc-shaped parts 211.
Alternatively, in the spliced optical cable of the above-described optical fiber module, the optical communication component 6 may be an optical fiber ribbon formed by bundling at least two optical fibers.
The spliced skeleton optical cable is characterized in that the loose tube 5 is made of polybutylene terephthalate or modified polypropylene.
In this embodiment, different types of optical fibers can be placed in the optical fiber accommodating cavity 22 and the loose tube 5 for different occasions, and the fiber core density of the optical cable is increased.
Example 3
The utility model provides a concatenation skeleton optical cable, has outer jacket 1 and skeleton subassembly, its characterized in that the skeleton subassembly comprises five skeletons 2, skeleton 2 comprises skeleton main part 21, first spacing strip 23 and the spacing strip 24 of second, skeleton main part 21 is "hook" shape, comprises arc part 211 and straight shape part 212, and straight shape part 212 right side lower part still forms a hem, and skeleton main part 21 is inside to form an optic fibre and holds chamber 22, first spacing strip 23 and second spacing strip 24 are connected in straight shape part 212 bottom, form first contained angle alpha between first spacing strip 23 and the spacing strip 24 of second, first contained angle alpha angle is 72, and first spacing strip 23 forms second contained angle beta with hem 25, second contained angle beta angle is 90, and the side that second spacing strip 24 and straight shape part 212 lie in second spacing strip 24 one side forms third contained angle gamma angle 144, clockwise, the second limit strip 24 of the former framework 2 is positioned above the first limit strip 23 of the latter framework 2, the second limit strip 24 of the former framework 2 abuts against the folded edge 25 of the latter framework 2, the first limit strip 23 of the latter framework 2 abuts against the first limit strip 23 of the former framework 2, a central cavity 3 is formed in the center of the optical cable, a filling component 4 is arranged in a space formed between the framework main body 21 of the latter framework 2 and the straight part 212 and the second limit strip 24 of the former framework 2 and used for improving the impact resistance of the optical cable, the shape of the filling component 4 is the same as that of the space, each edge of the filling component 4 is attached to each edge corresponding to the space, the filling component 4 has elasticity, the length of the folded edge 25 is greater than the width of the second limit strip 24, at least one optical fiber is arranged in the optical fiber cavity 22, the width of the optical fiber accommodating cavity 22 is greater than one time of the outer diameter of the optical fiber and less than two times of the outer diameter of the optical fiber, all the arc-shaped parts 211 enclose a ring, and the outer protective layer 1 is extruded outside the ring enclosed by all the arc-shaped parts 211.
The spliced skeleton optical cable according to any embodiment is characterized in that the outer protective layer 1 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The spliced skeleton optical cable according to any embodiment is characterized in that the skeleton 2 is made of high-density polyethylene.
The optical cable with splicing frameworks in any embodiment 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, the width of the optical fiber accommodating cavity 22 is more than one time of the outer diameter of the optical fiber and less than two times of the outer diameter of the optical fiber, so that the optical fibers in the optical fiber accommodating cavity 22 are in sequence like an optical fiber ribbon, and therefore, the optical fibers can not be colored, and the production cost of the optical cable is saved; one end of the framework 2 is fixed by splicing the first limiting strip 23 and the second limiting strip 24, and binding yarns and the like are not needed, so that the materials for binding are saved; during construction, no hank needs to be withdrawn, no yarn needs to be cut and tied, and the yarn is convenient to take out and construct; the framework component consists of a plurality of frameworks 2, and can be spliced under the condition of non-high temperature by adopting a prefabricated part mode, so that the safety and the energy saving are realized; the framework component is divided into the plurality of frameworks 2, so that the relative thickness of the framework component can be reduced, the phenomenon that the thermal shrinkage of the framework component is overlarge due to the overlarge thickness of the framework component can be effectively prevented, and the yield is improved; the central containing cavity 3 formed by the centers of the frameworks 2 indirectly reduces the materials of the framework components and reduces the cost; one end of the arc-shaped part 211 of the framework main body 21 is not fixed, so that the optical cable has better impact resistance through the elasticity of the framework main body 21, and the straight part 212 of the framework 2 can play a role in supporting and enhancing the compression resistance of the optical cable.
In the present application, the filling member 4 may also be a sector conductor, or an insulated wire composed of a sector conductor and an insulating layer coated outside the sector conductor, so as to form a photoelectric composite cable or a cable; when no optical fiber is present, the cable is constructed.
In this application, the central cavity 3 can be provided with a reinforcing element therein to improve the strength of the product.
Referring to embodiment examples 1 to 3, a spliced skeleton cable having an outer sheath 1 and a skeleton assembly is characterized in that the skeleton assembly is composed of four skeletons 2, the skeleton 2 is composed of a skeleton main body 21, a first limiting strip 23 and a second limiting strip 24, the skeleton main body 21 is in a sickle shape and is composed of an arc-shaped part 211 and a straight-shaped part 212, a folded edge is further formed at the lower part of the right side edge of the straight-shaped part 212, an optical fiber accommodating cavity 22 is formed inside the skeleton main body 21, the first limiting strip 23 and the second limiting strip 24 are connected to the bottom of the straight-shaped part 212, a first included angle α is formed between the first limiting strip 23 and the second limiting strip 24, the first included angle α is 90 °, the first limiting strip 23 and the folded edge 25 form a second included angle β, the second included angle β is 90 °, the second limiting strip 24 and the side edge of the straight-shaped part 212 on one side of the second limiting strip 24 form a third included angle γ of 135 °, clockwise, the second limiting strip 24 of the former framework 2 is positioned above the first limiting strip 23 of the latter framework 2, the second limiting strip 24 of the former framework 2 abuts against the folded edge 25 of the latter framework 2, the first limiting strip 23 of the latter framework 2 abuts against the first limiting strip 23 of the former framework 2, a central accommodating cavity 3 is formed in the center of the optical cable, a power transmission component is arranged in a space formed between the framework main body 21 of the latter framework 2 and the straight part 212 and the second limiting strip 24 of the former framework 2, the shape of the power transmission component is the same as that of the space, each side of the power transmission component is attached to each side corresponding to the space, the length of the folded edge 25 is greater than the width of the second limiting strip 24, at least one optical fiber is arranged in the optical fiber accommodating cavity 22, the width of the optical fiber accommodating cavity 22 is greater than one time of the outer diameter of the optical fiber and less than two times of the outer diameter of the optical fiber, all the arc-shaped parts 211 form a ring, and the outer protective layer 1 is extruded outside the ring formed by all the arc-shaped parts 211; the power transmission component is a sector conductor, or the power transmission component is an insulated wire composed of a sector conductor and an insulating layer coated outside the sector conductor.
The splicing framework cable is characterized in that a reinforcing element matched with the size of the central accommodating cavity is arranged in the central accommodating cavity.
The spliced skeleton cable is characterized in that the reinforcing element is made of copper or aluminum or iron or glass fiber reinforced plastic.
In this application, the reinforcing element not only improves tensile strength, but also enables the compressive and impact resistance and other properties to be improved.
The invention solves the problems of high defective rate, low production efficiency, poor impact resistance at the framework groove and high cost in the prior art.
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. The utility model provides a concatenation skeleton optical cable, has outer jacket (1) and skeleton subassembly, its characterized in that the skeleton subassembly comprises at least three skeleton (2), skeleton (2) comprises skeleton main part (21), first spacing strip (23) and second spacing strip (24), skeleton main part (21) are "sickle" shape, comprise arc portion (211) and straight shape portion (212), and straight shape portion (212) right side lower part still forms a hem, and inside formation one optic fibre appearance chamber (22) of skeleton main part (21), first spacing strip (23) and second spacing strip (24) are connected in straight shape portion (212) bottom, form first contained angle alpha between first spacing strip (23) and second spacing strip (24), first contained angle alpha angle is 360 degrees/skeleton (2) quantity, and first spacing strip (23) and hem (25) form second contained angle beta, the angle beta of the second included angle is 90 degrees, the angle gamma of a third included angle formed by the second limiting strip (24) and the side edge of the straight part (212) positioned at one side of the second limiting strip (24) is 360 degrees to the angle alpha of the first included angle/2, the second limiting strip (24) of the former framework (2) is positioned above the first limiting strip (23) of the latter framework (2), the second limiting strip (24) of the former framework (2) props against the folded edge (25) of the latter framework (2), the first limiting strip (23) of the latter framework (2) props against the first limiting strip (23) of the former framework (2), a central accommodating cavity (3) is formed in the center of the optical cable, the length of the folded edge (25) is larger than the width of the second limiting strip (24), at least one optical fiber is arranged in the optical fiber accommodating cavity (22), all the arc parts (211) enclose into a circular ring, the outer protective layer (1) is extruded outside all the arc-shaped parts (211) to form a circular ring.
2. The optical cable of claim 1, wherein the width of the optical fiber accommodating cavity (22) is greater than one optical fiber outer diameter and less than two optical fiber outer diameters.
3. A spliced skeleton optical cable according to claim 1 or 2, wherein a filling member (4) is provided in a space formed between the skeleton main body (21) of the succeeding skeleton (2) and the straight portion (212) and the second stopper (24) of the preceding skeleton (2), the filling member (4) has the same shape as the space, and each side of the filling member (4) is fitted to each side corresponding to the space, and the filling member (4) has elasticity.
4. The splicing framework optical cable according to claim 3, wherein the filling member (4) is made of silica gel or sponge.
5. A spliced skeleton optical cable according to claim 4, wherein a loose tube (5) is provided in a space formed between the skeleton main body (21) of the latter skeleton (2) and the straight portion (212) and the second stopper (24) of the former skeleton (2), the shape of the loose tube (5) is the same as that of the space, each side of the loose tube (5) is attached to each side corresponding to the space, and at least one optical communication part (6) is provided in the loose tube (5).
6. A spliced skeletal cable as claimed in claim 5, wherein the optical communication component (6) is an optical fiber or an optical fiber ribbon comprising at least two optical fibers.
7. The optical cable with splicing framework as claimed in claim 5, wherein the material of the loose tube (5) is polybutylene terephthalate or modified polypropylene.
8. A spliced skeleton cable is provided with an outer protective layer and a skeleton assembly and is characterized in that the skeleton assembly is composed of four skeletons, each skeleton is composed of a skeleton main body, a first limiting strip and a second limiting strip, the skeleton main body is in a sickle shape and is composed of an arc part and a straight part, a folded edge is further formed at the lower part of the right side edge of the straight part, an optical fiber accommodating cavity is formed inside the skeleton main body, the first limiting strip and the second limiting strip are connected to the bottom of the straight part, a first included angle is formed between the first limiting strip and the second limiting strip, the first included angle is 90 degrees, the first limiting strip and the folded edge form a second included angle, the second included angle is 90 degrees, the second limiting strip and the side edge of the straight part on one side of the second limiting strip form a third included angle of 135 degrees in the clockwise direction, the second limiting strip of the former skeleton is positioned above the first limiting strip of the latter skeleton, the second limiting strip of the former framework abuts against the folded edge of the latter framework, the first limiting strip of the latter framework abuts against the first limiting strip of the former framework, a central containing cavity is formed in the center of the optical cable, a power transmission part is arranged in a space formed between the framework main body of the latter framework and the straight part and the second limiting strip of the former framework, the shape of the power transmission part is the same as that of the space, each edge of the power transmission part is attached to each edge corresponding to the space, the length of the folded edge is larger than the width of the second limiting strip, at least one optical fiber is arranged in the optical fiber containing cavity, the width of the optical fiber containing cavity is larger than one time of the outer diameter of the optical fiber and smaller than two times of the outer diameter of the optical fiber, all arc parts form a circular ring in a surrounding manner, and the outer protective layer is extruded outside the circular ring formed; the power transmission component is a sector conductor, or the power transmission component is an insulated wire composed of a sector conductor and an insulating layer coated outside the sector conductor.
9. The splice skeletal cable of claim 8, wherein a strength member is disposed within the central cavity that is sized to match the central cavity.
10. A splice skeletal cable as claimed in claim 9, wherein the reinforcing element is copper or aluminum or iron or fiberglass reinforced plastic.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020108526167 | 2020-08-22 | ||
| CN202010852616.7A CN111781695A (en) | 2020-08-22 | 2020-08-22 | Spliced framework optical cable and cable |
| PCT/CN2020/134150 WO2022041554A1 (en) | 2020-08-22 | 2020-12-06 | Joined frame optical cable and electrical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112805605A true CN112805605A (en) | 2021-05-14 |
| CN112805605B CN112805605B (en) | 2024-06-07 |
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