CN113611453B

CN113611453B - Optical fiber ribbon cable with octahedral cylinder structure shell

Info

Publication number: CN113611453B
Application number: CN202111175029.XA
Authority: CN
Inventors: 黄勤; 任建刚; 黄剑锋; 吴杰; 王喆; 范丽娜
Original assignee: Yangtze Optical Fibre and Cable Co Ltd
Current assignee: Changfei photoelectric cable (Suzhou) Co.,Ltd.
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2021-12-17
Anticipated expiration: 2041-10-09
Also published as: CN113611453A

Abstract

The invention belongs to the technical field of optical cables, and discloses an optical fiber ribbon optical cable with an octahedral cylinder structure shell, which is provided with a central optical fiber ribbon body and a shell (4), wherein the central optical fiber ribbon body is composed of a plurality of central optical fiber ribbons (1); the device is characterized in that the shell (4) is of an octahedral cylinder structure, and a shell inner cavity (45) is formed inside the shell (4); still have four spacer (5), spacer (5) are located shell inner chamber (45), form first to fourth between spacer (5) and shell (4) and hold the chamber, form central appearance chamber (40) between spacer (5), and the central optic fibre area body is located central appearance chamber (40), has outside optic fibre area body (7) in at least one of first to fourth appearance chamber. The optical fiber ribbon has the advantages of convenience in stripping the electrical unit, convenience in stripping the optical fiber ribbon, high fiber core density, high space utilization rate, capability of better adapting to the width and height of the optical fiber ribbon body, good compression resistance and the like.

Description

Optical fiber ribbon cable with octahedral cylinder structure shell

Technical Field

The invention belongs to the technical field of optical cables, and particularly relates to an optical fiber ribbon optical cable with an octahedral cylinder structure shell.

Background

With the deep development of the national communication network construction, the central tube type ribbon optical cable is widely applied as a common optical cable, and in the prior art, the industry standard YD/T981.2-2009 part 2 of the optical fiber ribbon optical cable for access network: GYDXTW type optical cable in central tube has loose sleeve pipe, is located the water blocking layer outside the loose sleeve pipe, is located the armor outside the water blocking layer, and the extrusion molding is in the outer jacket outside the armor, still be equipped with the reinforcement in the outer jacket, when needs transmission signal of telecommunication, the signal line also is located the outer jacket.

The above prior art has the following disadvantages: 1. the electric unit is not easy to peel off in the sheath; 2. a large gap exists between the circular loose tube and the rectangular optical fiber body in the central tube type ribbon optical cable, the fiber core density is low, and the space utilization rate is low; 3. the given interior space of the sleeve is not changeable.

CN111781695A discloses a spliced skeleton optical cable, which has an outer sheath and a skeleton component, it is characterized in that the framework component is composed of at least three frameworks, the frameworks are composed of a framework main body, a first limit strip and a second limit strip, the framework main body consists of an arc-shaped 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 inside the framework main body, the first limit strip and the second limit strip are connected to the bottom of the straight part in the clockwise direction, the second limit strip of the former framework is positioned above the first limit strip of the latter framework, the former framework and the latter framework are mutually propped against each other, at least one optical fiber is arranged in the optical fiber containing cavity, the outer protective layer is extruded outside the framework component, the problem that it was solved is how to reduce product external diameter and cost, reduce the risk of wrapping up bad cable, make the product be under construction more easily.

CN111273415A discloses a 5G communication base station is with amalgamation structure cable, utensil cable core, cladding protective layer, the oversheath of cladding outside the protective layer outside the cable core, have eight electric power parts in the cable core, its characterized in that: the cable core is formed by splicing eight splicing parts and is in a cylindrical shape; the splicing component has a special structure; in the adjacent splicing parts, according to the clockwise direction, the outer surface of the second wall body of the first splicing part is attached to the outer surface of the first side wall of the third wall body of the second splicing part, and the outer surface of the first wall body of the first splicing part and the outer surface of the first wall body of the second splicing part are on the same cylindrical surface; the second side wall of the split component is split to form a split cavity in the shape of a cylinder. The invention also discloses an optical cable. The optical fiber mainly solves the technical problems of larger optical fiber density, easier manufacturing, lower cost and better heat dissipation effect.

However, the above-mentioned prior art does not teach how to make the fiber cores of the fiber ribbons denser, easier to integrate with electrical units, and not cause electrical heating to affect optical transmission, and how to use rectangular fiber ribbons commonly used in the prior art, such as YD/T981, therein and more reasonably utilize space.

Disclosure of Invention

In order to solve the problems, the invention discloses an optical fiber ribbon cable with an octahedral cylinder structure shell, which is realized by adopting the following technical scheme.

An optical fiber ribbon cable with an octahedral column structure shell is provided with a central optical fiber ribbon body and a shell positioned outside the central optical fiber ribbon body, wherein the central optical fiber ribbon body is formed by laminating a plurality of central optical fiber ribbons, and each central optical fiber ribbon is composed of a plurality of central optical fibers and a central optical fiber ribbon cladding covering the central optical fibers; the device is characterized in that the shell is of an octahedral cylinder structure, and a shell inner cavity is formed inside the shell; the optical fiber ribbon cable with the octahedral column structure shell is also provided with four isolation components, the isolation components are positioned in the inner cavity of the shell and are called as a first isolation component, a second isolation component, a third isolation component and a fourth isolation component, each isolation component is of an integrated structure and consists of a first straight edge and a second straight edge, and one end of the first straight edge of each isolation component is vertically connected with one end of the second straight edge of the isolation component; the surface of the other end of the second straight edge of each isolation component is an inclined surface, and the surface of the other end of the first straight edge of each isolation component is parallel to the lower surface of the second straight edge of the isolation component; the other end of the first straight edge of the first isolation part is tightly attached to the inner wall of the first top edge, and the other end of the second straight edge of the first isolation part is tightly attached to the inner wall of the first outer side edge; the other end of the first straight edge of the second isolation part is tightly attached to the inner wall of the second top edge, and the other end of the second straight edge of the second isolation part is tightly attached to the inner wall of the second outer side edge; the other end of the first straight edge of the third isolation component is tightly attached to the inner wall of the third top edge, and the other end of the second straight edge of the third isolation component is tightly attached to the inner wall of the third outer side edge; the other end of the first straight edge of the fourth isolation component is tightly attached to the inner wall of the fourth top edge, and the other end of the second straight edge of the fourth isolation component is tightly attached to the inner wall of the fourth outer side edge; the outer wall of the first straight edge of the first isolation part is attached to the outer wall of the second straight edge of the second isolation part, the outer wall of the first straight edge of the second isolation part is attached to the outer wall of the second straight edge of the third isolation part, the outer wall of the first straight edge of the third isolation part is attached to the outer wall of the second straight edge of the fourth isolation part, the outer wall of the first straight edge of the fourth isolation part is attached to the outer wall of the second straight edge of the first isolation part, the outer walls of the four isolation parts enclose a central containing cavity with a rectangular or square section, the first isolation part, the first top edge and the first outer side edge enclose a first containing cavity with a right trapezoid section, the second isolation part, the second top edge and the second outer side edge enclose a second containing cavity with a right trapezoid section, and the third isolation part, the third top edge and the third outer side edge enclose a third containing cavity with a right trapezoid section, a fourth cavity with a right trapezoid-shaped cross section is formed by the fourth isolation component, the fourth top edge and the fourth outer side edge in a surrounding mode; the central optical fiber belt body is positioned in the central containing cavity, and at least one of the first containing cavity, the second containing cavity, the third containing cavity and the fourth containing cavity is internally provided with an external optical fiber belt body.

The optical fiber ribbon cable with the octahedral column structure shell is characterized in that the manufacturing method comprises the following steps:

a step of manufacturing the spacer member: four isolation parts are manufactured by an extrusion molding machine, each isolation part is of an integrated structure and consists of a first straight edge and a second straight edge, and one end of the first straight edge of each isolation part is vertically connected with one end of the second straight edge of the isolation part; the surface of the other end of the second straight edge of each isolation component is an inclined surface, and the surface of the other end of the first straight edge of each isolation component is parallel to the lower surface of the second straight edge of the isolation component; the four isolation components are respectively called a first isolation component, a second isolation component, a third isolation component and a fourth isolation component;

manufacturing the shell with the octahedral cylinder structure: extruding the octahedral column structure shell by using an extruding machine, wherein a shell inner cavity is formed in the shell, and the shell consists of a first top edge, a second outer side edge, a second top edge, a third outer side edge, a third top edge, a fourth outer side edge, a fourth top edge and a first outer side edge which are sequentially connected in an annular manner;

placing the isolation component: placing the manufactured four isolation parts into the inner cavity of the shell of the octahedral cylinder structure, wherein the other end of the first straight edge of the first isolation part is tightly attached to the inner wall of the first top edge, and the other end of the second straight edge of the first isolation part is tightly attached to the inner wall of the first outer side edge; the other end of the first straight edge of the second isolation part is tightly attached to the inner wall of the second top edge, and the other end of the second straight edge of the second isolation part is tightly attached to the inner wall of the second outer side edge; the other end of the first straight edge of the third isolation component is tightly attached to the inner wall of the third top edge, and the other end of the second straight edge of the third isolation component is tightly attached to the inner wall of the third outer side edge; the other end of the first straight edge of the fourth isolation component is tightly attached to the inner wall of the fourth top edge, and the other end of the second straight edge of the fourth isolation component is tightly attached to the inner wall of the fourth outer side edge; the outer wall of the first straight edge of the first isolation part is attached to the outer wall of the second straight edge of the second isolation part, the outer wall of the first straight edge of the second isolation part is attached to the outer wall of the second straight edge of the third isolation part, the outer wall of the first straight edge of the third isolation part is attached to the outer wall of the second straight edge of the fourth isolation part, the outer wall of the first straight edge of the fourth isolation part is attached to the outer wall of the second straight edge of the first isolation part, the outer walls of the four isolation parts enclose a central containing cavity with a rectangular or square section, the first isolation part, the first top edge and the first outer side edge enclose a first containing cavity with a right trapezoid section, the second isolation part, the second top edge and the second outer side edge enclose a second containing cavity with a right trapezoid section, and the third isolation part, the third top edge and the third outer side edge enclose a third containing cavity with a right trapezoid section, a fourth cavity with a right trapezoid-shaped cross section is formed by the fourth isolation component, the fourth top edge and the fourth outer side edge in a surrounding mode;

placing a central optical fiber ribbon and an external optical fiber ribbon body: stacking a plurality of central optical fiber ribbons with equal width to form a central optical fiber ribbon body, and placing the central optical fiber ribbon body into a central containing cavity, wherein each central optical fiber ribbon body consists of a plurality of central optical fibers and a central optical fiber ribbon cladding covering the central optical fibers; placing an external optical fiber ribbon body into the first cavity, the second cavity, the third cavity and the fourth cavity, wherein the external optical fiber ribbon body is composed of a first optical fiber ribbon, a second optical fiber ribbon and a third optical fiber ribbon which are sequentially stacked, the first optical fiber ribbon body is close to the inner wall of the shell, the third optical fiber ribbon body is close to the second straight edge of the isolation component, the width of the first optical fiber ribbon body is smaller than that of the second optical fiber ribbon body, the width of the second optical fiber ribbon body is smaller than that of the third optical fiber ribbon body, and a plurality of optical fibers are arranged in the first optical fiber ribbon body, the second optical fiber ribbon body and the third optical fiber ribbon body;

and (3) pulling the winding disc: the octahedral cylinder structure shell is pulled to drive the internal isolation component, the central optical fiber ribbon and the optical fiber ribbon body to move together and to be coiled on the disk, and the manufacture of the optical fiber ribbon cable with the octahedral cylinder structure shell is completed.

The optical fiber ribbon cable with the octahedral cylinder structure shell is characterized in that the external optical fiber ribbon body is composed of a plurality of optical fiber ribbons which are stacked in sequence, a plurality of optical fibers are arranged in each optical fiber ribbon body, and the optical fiber ribbons are arranged in a first accommodating cavity or a second accommodating cavity or a third accommodating cavity or a fourth accommodating cavity with the optical fiber ribbon body: the optical fiber ribbon has a minimum width near the inner wall of the housing and a maximum width near the second straight side of the separation member, and the optical fiber ribbon has a gradually increasing width from the inner wall of the housing to the second straight side of the separation member.

The optical fiber ribbon cable with the octahedral cylinder structure shell is characterized in that the external optical fiber ribbon body is composed of at least one first optical fiber ribbon; when a plurality of first optical fiber ribbons are provided, the width of each first optical fiber ribbon is equal, the first optical fiber ribbons are distributed in a laminated mode in the same first cavity or second cavity or third cavity or fourth cavity, and a plurality of optical fibers are arranged in each first optical fiber ribbon; the first cavity, the second cavity, the third cavity or the fourth cavity with the optical fiber ribbon body is also internally provided with an independent filling component, the cross section of the independent filling component is in a right-angled triangle shape, one right-angled side of each independent filling component is attached to the inner wall of the second straight edge of the isolation component which surrounds the corresponding first cavity, the second cavity, the third cavity or the fourth cavity, and the other right-angled side of each independent filling component is attached to the inner wall of the shell which surrounds the corresponding first cavity, the second cavity, the third cavity or the fourth cavity.

An optical fiber ribbon cable with an octahedral column structure shell is provided with a central optical fiber ribbon body and a shell positioned outside the central optical fiber ribbon body, wherein the central optical fiber ribbon body is formed by laminating a plurality of central optical fiber ribbons, and each central optical fiber ribbon is composed of a plurality of central optical fibers and a central optical fiber ribbon cladding covering the central optical fibers; the device is characterized in that the shell is of an octahedral cylinder structure, and a shell inner cavity is formed inside the shell; the optical fiber ribbon cable with the octahedral column structure shell further comprises four isolation components, the isolation components are located in a cavity of the shell and are called as a first isolation component, a second isolation component, a third isolation component and a fourth isolation component, each isolation component is of an integrated structure and consists of a first straight edge, a second straight edge and a filling component, one end of the first straight edge of each isolation component is vertically connected with one end of the second straight edge of the isolation component, namely an included angle between the first straight edge of each isolation component and the second straight edge of the isolation component is a right angle, an included angle between the inner wall of the first straight edge of each isolation component and the inner wall of the second straight edge of the isolation component is a right angle, and an included angle between the outer wall of the first straight edge of each isolation component and the outer wall of the second straight edge of each isolation component is a right angle; the cross section of the filling part is in a right-angled triangle shape, the filling part is connected to the other end of the second straight edge of each isolation part, the lower surface of the filling part of each isolation part and the outer wall of the second straight edge of each isolation part are in the same plane, the left surface of the filling part of each isolation part is vertically connected with the other end of the second straight edge of each isolation part, and the filling part extends out of the inner wall of the other end of the second straight edge; the surface of the other end of the first straight edge of each isolation part is parallel to the lower surface of the second straight edge of the isolation part; the other end of the first straight edge of the first isolation part is tightly attached to the inner wall of the first top edge, and the inclined surface of the filling part of the first isolation part is tightly attached to the inner wall of the first outer side edge; the other end of the first straight edge of the second isolation component is tightly attached to the inner wall of the second top edge, and the inclined surface of the filling component of the second isolation component is tightly attached to the inner wall of the second outer side edge; the other end of the first straight edge of the third isolation component is tightly attached to the inner wall of the third top edge, and the inclined surface of the filling component of the third isolation component is tightly attached to the inner wall of the third outer side edge; the other end of the first straight edge of the fourth isolation component is tightly attached to the inner wall of the fourth top edge, and the inclined surface of the filling component of the fourth isolation component is tightly attached to the inner wall of the fourth outer side edge; the outer wall of the first straight edge of the first isolation part is attached to the lower surface of the filling part of the second isolation part, the outer wall of the first straight edge of the second isolation part is attached to the lower surface of the filling part of the third isolation part, the outer wall of the first straight edge of the third isolation part is attached to the lower surface of the filling part of the fourth isolation part, the outer wall of the first straight edge of the fourth isolation part is attached to the lower surface of the filling part of the first isolation part, the outer walls of the four isolation parts form a central containing cavity with a rectangular or square section, the first containing cavity with a rectangular section is formed by the first isolation part and the first top edge, the second containing cavity with a rectangular section is formed by the second isolation part and the second top edge, and the third isolation part, the third top edge and the fourth top edge enclose a third cavity with a rectangular cross section, and the fourth isolation part and the fourth top edge enclose a fourth cavity with a rectangular cross section; the central optical fiber belt body is positioned in the central containing cavity, and at least one of the first containing cavity, the second containing cavity, the third containing cavity and the fourth containing cavity is internally provided with an external optical fiber belt body.

The optical fiber ribbon cable with the octahedral cylinder structure shell is characterized in that the external optical fiber ribbon body is composed of at least one optical fiber ribbon, a plurality of optical fibers are arranged in each optical fiber ribbon, and when the optical fiber ribbon body is composed of a plurality of optical fiber ribbons, the plurality of optical fiber ribbons are sequentially stacked; in a first or second or third or fourth cavity with an optical fiber ribbon: all ribbons are of equal width.

The optical fiber ribbon cable with the octahedral cylinder structure shell is characterized in that an inner protection layer is coated outside the shell, and an outer protection layer is further coated outside the inner protection layer.

The optical fiber ribbon cable with the octahedral column structure shell is characterized in that the inner protective layer is formed by a plurality of stranded or parallel steel wires, or is formed by water-blocking tapes, aluminum tapes, non-woven fabrics, glass fiber tapes or stranded, or is formed by a plurality of parallel glass fiber reinforced plastic rods.

An optical fiber ribbon cable with an octahedral column structure shell is provided with an outer protective layer and a central optical fiber ribbon body, wherein the central optical fiber ribbon body is positioned in the outer protective layer; the shell is surrounded by a first top edge, a second outer side edge, a second top edge, a third outer side edge, a third top edge, a fourth outer side edge, a fourth top edge and a first outer side edge and is a hollow octahedral cylinder, a central containing cavity surrounded by a first bottom edge, a second bottom edge, a third bottom edge and a fourth bottom edge is arranged in the middle of the shell, and the central optical fiber band body is positioned in the central containing cavity; the intersection of the first top edge and the second outer side edge and the intersection of the first bottom edge and the second bottom edge are fixedly connected with a first inner side edge, the intersection of the second top edge and the third outer side edge and the intersection of the second bottom edge and the third bottom edge are fixedly connected with a second inner side edge, the intersection of the third top edge and the fourth outer side edge and the intersection of the third bottom edge and the fourth bottom edge are fixedly connected with a third inner side edge, and the intersection of the fourth top edge and the first outer side edge and the intersection of the fourth bottom edge and the first bottom edge are fixedly connected with a fourth inner side edge; the first top edge, the first inner side edge, the first bottom edge, the fourth inner side edge and the first outer side edge enclose a first accommodating cavity of a right trapezoid, the second top edge, the second inner side edge, the second bottom edge, the first inner side edge and the second outer side edge enclose a second accommodating cavity of a right trapezoid, the third top edge, the third inner side edge, the third bottom edge, the second inner side edge and the third outer side edge enclose a third accommodating cavity of a right trapezoid, the fourth top edge, the fourth inner side edge, the fourth bottom edge, the third inner side edge and the fourth outer side edge enclose a fourth accommodating cavity of a right trapezoid, and at least one first electric unit and one second electric unit are arranged in the first accommodating cavity, the second accommodating cavity, the third accommodating cavity and the fourth accommodating cavity.

The first electric unit is composed of a first electric conductor and a first insulating layer extruded outside the first electric conductor, the second electric unit is composed of a second electric conductor and a second insulating layer extruded outside the second electric conductor, the first electric unit is located between the top side and the bottom side of the right trapezoid, and the second electric unit is located between the bottom side and the oblique waist of the right trapezoid.

An optical fiber ribbon cable with an octahedral column structure shell is characterized by adopting the following manufacturing method:

step 10: extruding four isolation parts and winding the isolation parts on a winding disc of the isolation parts, wherein each isolation part is composed of a first straight edge and a second straight edge, one end of each first straight edge is connected with one end of each second straight edge, and the included angle beta of the straight edges between the first straight edges and the second straight edges is 90 degrees;

step 20: the prepared central optical fiber ribbons, the ribbons of the first optical fiber ribbons and the take-up reels of the four isolation components are provided with corresponding pay-off racks and extrusion molding shells, the shells are hollow octahedral cylinders, a shell inner cavity is formed in each octahedral cylinder, the central optical fiber ribbons, the ribbons of the first optical fiber ribbons and the take-up reels of the four isolation components are paid off in the shell inner cavity at the same time, a second straight edge of each isolation component is parallel to one side edge of the shell, the distance between the second straight edge and the side edge is smaller than the distance between the side edge and the other parallel side edge, the other end of the second straight edge props against the shells, the other end of the first straight edge props against the shells, the outer side wall of the first straight edge of the next isolation component is pasted with the outer side wall of the second straight edge of the previous isolation component along the clockwise direction, and the four isolation components and the side walls of the shells form first containing cavities respectively, The optical fiber ribbon comprises a second cavity, a third cavity and a fourth cavity, wherein a central cavity is defined by the middle of four isolation parts, and a central optical fiber ribbon body is positioned in the central cavity; a plurality of first optical fiber ribbons are stacked to form a plurality of external optical fiber ribbons which are respectively positioned in the first cavity, the second cavity, the third cavity and the fourth cavity;

step 30: the inner wall of the inner protection layer is attached to the outer wall of the shell;

step 40: and extruding the outer protective layer.

The invention has the following beneficial effects:

1. the electric unit is placed in the shell, and only the shell side wall of the corresponding cavity of the electric unit needs to be broken when the electric unit is taken, so that the connection of the electric unit is more convenient and faster, and the electric unit cannot be damaged when being peeled off.

2. Optical fiber ribbons with different lengths are arranged in the first accommodating cavity, the second accommodating cavity, the third accommodating cavity and the fourth accommodating cavity of the right trapezoid, so that the inner spaces of the first accommodating cavity, the second accommodating cavity, the third accommodating cavity and the fourth accommodating cavity are fully utilized, the fiber core density in the optical cable is larger, and the space utilization rate is higher.

3. A first containing cavity, a second containing cavity, a third containing cavity and a fourth containing cavity are formed around the central containing cavity, optical fiber ribbons are placed in the first containing cavity, the second containing cavity, the third containing cavity and the fourth containing cavity, and therefore the space outside the sleeve of the central tube type ribbon optical cable in the prior art is improved.

4. Inside first appearance chamber, second appearance chamber, third appearance chamber, fourth appearance chamber and central appearance chamber can not the extrusion molding of integration, consequently when peeling off the central optic fibre area body that holds the intracavity, directly cut and get rid of one of them spacer element, can take the central optic fibre area body that holds the intracavity, have improved the efficiency of peeling off of inside optic fibre area.

5. The central cavity can be adjusted by selecting the isolation parts with different sizes, so that the section of the central cavity is changed between a square and a rectangle, the length and the width of the section of the central optical fiber belt body can be better adapted, and the space utilization rate is favorably improved.

6. The isolation component plays a supporting role in the shell, so that the pressure resistance of the optical cable is also improved.

Drawings

Fig. 1 is a schematic perspective view of a section of example 1 of the present invention.

Fig. 2 is an enlarged front view of fig. 1.

Fig. 3 is a schematic perspective view of a section of a housing used in embodiment 1 of the present invention.

Fig. 4 is an enlarged front view of fig. 3.

Fig. 5 is a schematic perspective view of a section of the housing according to embodiment 2 of the present invention.

Fig. 6 is an enlarged front view of fig. 5.

Fig. 7 is a schematic perspective view of a segment of the separator used in example 2 of the present invention.

Fig. 8 is an enlarged front view of fig. 7.

Fig. 9 is a cross-sectional view schematically illustrating a combination of the housing and the spacer member in embodiment 2 of the present invention.

Fig. 10 is a schematic perspective view of a section of example 2 of the present invention.

Fig. 11 is an enlarged front view of fig. 10.

Fig. 12 is a front view of embodiment 3 of the present invention.

Fig. 13 is a schematic perspective view of a segment of an isolation member according to example 4 of the present invention.

Fig. 14 is an enlarged front view of fig. 13.

In the figure: 1. the optical fiber cable comprises a central optical fiber ribbon body, 11 central optical fibers, 12 central optical fiber ribbon cladding, 2 first electrical units, 21 first electrical conductors, 22 first insulating layers, 3 second electrical units, 31 second electrical conductors, 32 second insulating layers, 4 shells, 40 central accommodating cavities, 41 first top edges, 401 first accommodating cavities, 4012 first inner side edges, 411 first bottom edges, 441 first outer side edges, 42 second top edges, 402 second accommodating cavities, 4023 second inner side edges, 422 second bottom edges, 412 second outer side edges, 43 third top edges, 403 third accommodating cavities, 4034 third inner side edges, 433 third bottom edges, 444, 423 third outer side edges, 44 fourth top edges, 404 fourth accommodating cavities, 4041 fourth inner side edges, 444, 434 fourth outer side edges, 45 shell inner cavities, 5 isolation components, 51 first straight edges, 52 second straight edges, 52 straight second edges, 53. The optical fiber ribbon comprises an integrated filling component, 6 an outer protective layer, 7 an outer optical fiber ribbon body, 71 a first optical fiber ribbon, 711 a first optical fiber, 712 a first optical fiber ribbon cladding, 72 a second optical fiber ribbon, 73 a third optical fiber ribbon, 8 an independent filling component, 9 an inner protective layer and beta straight-side included angles.

Detailed Description

Example 1

Referring to fig. 1 to 4, an optical fiber ribbon cable with an octahedral cylinder structure shell has an outer sheath 6 and a central optical fiber ribbon body 1, the central optical fiber ribbon body 1 is located in the outer sheath 6, the central optical fiber ribbon body 1 is composed of at least one central optical fiber ribbon, the central optical fiber ribbon is composed of at least two central optical fibers 11 and a central optical fiber ribbon cladding 12 covering the central optical fibers 11, and the optical fiber ribbon cable is characterized in that the shell 4 is further arranged between the outer sheath 6 and the central optical fiber ribbon body 1;

the housing 4 is surrounded by a first top edge 41, a second outer side edge 412, a second top edge 42, a third outer side edge 423, a third top edge 43, a fourth outer side edge 434, a fourth top edge 44 and a first outer side edge 441, and is a hollow octahedral cylinder, the middle of the housing 4 is provided with a central cavity 40 surrounded by a first bottom edge 411, a second bottom edge 422, a third bottom edge 433 and a fourth bottom edge 444, the central cavity 40 is rectangular, and the central optical fiber ribbon body 1 is located in the central cavity 40;

a first inner side edge 4012 is fixedly connected to the intersection of the first top edge 41 and the second outer side edge 412 and the first bottom edge 411 and the second bottom edge 422, a second inner side edge 4023 is fixedly connected to the intersection of the second top edge 42 and the third outer side edge 423 and the intersection of the second bottom edge 422 and the third bottom edge 433, a third inner side edge 4034 is fixedly connected to the intersection of the third top edge 43 and the fourth outer side edge 434 and the intersection of the third bottom edge 433 and the fourth bottom edge 444, and a fourth inner side edge 4041 is fixedly connected to the intersection of the fourth top edge 44 and the first outer side edge 441 and the intersection of the fourth bottom edge 444 and the first bottom edge 411;

the first top edge 41, the first inner side edge 4012, the first bottom edge 411, the fourth inner side edge 4041 and the first outer side edge 441 enclose a first receptacle 401 of a right trapezoid, the second top edge 42, the second inner side edge 4023, the second bottom edge 422, the first inner side edge 4012 and the second outer side edge 412 enclose a second receptacle 402 of a right trapezoid, the third top edge 43, the third inner side edge 4034, the third bottom edge 433, the second inner side edge 4023 and the third outer side edge 423 enclose a third receptacle 403 of a right trapezoid, the fourth top edge 44, the fourth inner side edge 4041, the fourth bottom edge 444, the third inner side edge 4034 and the fourth outer side edge 434 enclose a fourth receptacle 404 of a right trapezoid, two first electrical units 2 and one second electrical unit 3 are respectively arranged in the first receptacle 401, the second receptacle 402, the third receptacle 403 and the fourth receptacle 404, the first electrical unit 2 is formed by the first electrical conductor 21 and the first insulating body 22 extruded from the first insulating layer 21, the second electric unit 3 is composed of a second electric conductor 31 and a second insulating layer 32 extruded outside the second electric conductor 31, the two first electric units 2 are positioned between the top edge and the bottom edge of the right trapezoid, and the second electric unit 3 is positioned between the bottom edge and the oblique waist of the right trapezoid;

be equipped with interior sheath 9 between shell 4 and the outer jacket 6, interior sheath 9 inner wall pastes with shell 4 outer wall.

Example 2

Referring to fig. 5 to 11 and fig. 1 to 4, an optical fiber ribbon cable with an octahedral cylinder structure shell has an outer sheath 6 and a central optical fiber ribbon 1, the central optical fiber ribbon 1 is located in the outer sheath 6, the central optical fiber ribbon 1 is composed of at least one central optical fiber ribbon, the central optical fiber ribbon is composed of at least two central optical fibers 11 and a central optical fiber ribbon cladding 12 covering the central optical fibers 11, and the shell 4 is further disposed between the outer sheath 6 and the central optical fiber ribbon 1; the shell 4 is a hollow octahedral cylinder, an octahedral shell inner cavity 45 is formed in the shell 4, four isolation components 5 are arranged in the shell inner cavity 45, each isolation component 5 is composed of a first straight edge 51 and a second straight edge 52, one end of the first straight edge 51 is connected with one end of the second straight edge 52, a straight edge included angle beta between the first straight edge 51 and the second straight edge 52 is 90 degrees, the other end of the first straight edge 51 is abutted against the end part of one side edge of the shell 4, the other end of the second straight edge 52 is abutted against the end part of the far end of the next side edge of the side edge along the clockwise direction, the outer side wall of the first straight edge 51 of the next isolation component 5 is abutted against the outer side wall of the second straight edge 52 of the previous isolation component 5, and the four isolation components 5 and the side wall of the shell 4 respectively form a first containing cavity 401, a second containing cavity 402, a third containing cavity 403 and a fourth containing cavity 404 which are in a right-angle trapezoid shape, the middle of the four isolation parts 5 forms a central cavity 40, and the central optical fiber belt body 1 is positioned in the central cavity 40; an external optical fiber tape body 7 is arranged in the first cavity 401, the second cavity 402, the third cavity 403 and the fourth cavity 404, the external optical fiber tape body 7 is formed by stacking a plurality of first optical fiber tapes, and the shape of the external optical fiber tape body 7 is the same as that of the corresponding first cavity 401, second cavity 402, third cavity 403 or fourth cavity 404; be equipped with interior sheath 9 between shell 4 and the outer jacket 6, interior sheath 9 inner wall pastes with shell 4 outer wall.

An optical fiber ribbon cable with an octahedral column structure shell is provided with a central optical fiber ribbon body and a shell 4 positioned outside the central optical fiber ribbon body, wherein the central optical fiber ribbon body is formed by laminating a plurality of central optical fiber ribbons 1, and each central optical fiber ribbon 1 is composed of a plurality of central optical fibers 11 and a central optical fiber ribbon cladding 12 wrapping the central optical fibers 11; the device is characterized in that the shell 4 is of an octahedral cylinder structure, and a shell inner cavity 45 is formed inside the shell 4;

the optical fiber ribbon cable with the octahedral column structure shell further comprises four separation components 5, wherein the separation components 5 are positioned in the inner cavity 45 of the shell, the four separation components 5 can be called as a first separation component, a second separation component, a third separation component and a fourth separation component, each separation component 5 is of an integral structure, each separation component 5 is formed by a first straight edge 51 and a second straight edge 52, one end of the first straight edge 51 of each separation component is perpendicularly connected with one end of the second straight edge 52 of the separation component, that is, the included angle β between the first straight side 51 of each spacer member and the second straight side 52 of the spacer member is a right angle, the included angle between the inner wall of the first straight side 51 of each spacer member and the inner wall of the second straight side 52 of the spacer member is a right angle, and the included angle between the outer wall of the first straight side 51 of each spacer member and the outer wall of the second straight side 52 of the spacer member is a right angle; the surface of the other end of the second straight edge 52 of each spacer member is an inclined surface, and the surface of the other end of the first straight edge 51 of each spacer member is parallel to the lower surface of the second straight edge 52 of the spacer member; the other end of the first straight edge 51 of the first spacer component abuts the inner wall of the first top edge 41 and the other end of the second straight edge 52 of the first spacer component abuts the inner wall of the first outer side edge 441; the other end of the first straight edge 51 of the second spacer member abuts the inner wall of the second top edge 42 and the other end of the second straight edge 52 of the second spacer member abuts the inner wall of the second outer side edge 412; the other end of the first straight edge 51 of the third separating member abuts the inner wall of the third top edge 43 and the other end of the second straight edge 52 of the third separating member abuts the inner wall of the third outer side edge 423; the other end of the first straight edge 51 of the fourth separating member abuts the inner wall of the fourth top edge 44 and the other end of the second straight edge 52 of the fourth separating member abuts the inner wall of the fourth outer side edge 434; the outer wall of the first straight edge 51 of the first isolation component is attached to the outer wall of the second straight edge 52 of the second isolation component, the outer wall of the first straight edge 51 of the second isolation component is attached to the outer wall of the second straight edge 52 of the third isolation component, the outer wall of the first straight edge 51 of the third isolation component is attached to the outer wall of the second straight edge 52 of the fourth isolation component, the outer wall of the first straight edge 51 of the fourth isolation component is attached to the outer wall of the second straight edge 52 of the first isolation component, the outer walls of the four isolation components surround a central containing cavity 40 with a rectangular or square section, the first isolation component, the first outer side edge 41 and the first outer side edge 441 surround a first containing cavity 401 with a right trapezoid section, the second isolation component, the second top edge 42 and the second outer side edge 412 surround a second containing cavity 402 with a right trapezoid section, the third isolation component, the third top edge 43 and the third outer side edge 423 define a third containing cavity 403 with a right trapezoid section, the fourth insulating member, the fourth top edge 44 and the fourth outer side edge 434 enclose a fourth cavity 404 with a right trapezoid-shaped cross section;

the central optical fiber ribbon is located within central cavity 40 and outer optical fiber ribbon 7 is located within first cavity 401, second cavity 402, third cavity 403, and fourth cavity 404.

The optical fiber ribbon cable with the shell of the octahedral cylinder structure is characterized in that the external optical fiber ribbon body 7 is composed of a first optical fiber ribbon 71, a second optical fiber ribbon 72 and a third optical fiber ribbon 73 which are sequentially stacked, the first optical fiber ribbon 71 is close to the inner wall of the shell 4, the third optical fiber ribbon 73 is close to the second straight side 52 of the isolation component 5, the width of the first optical fiber ribbon 71 is smaller than that of the second optical fiber ribbon 72, the width of the second optical fiber ribbon 72 is smaller than that of the third optical fiber ribbon 73, and a plurality of optical fibers are arranged inside the first optical fiber ribbon 71, the second optical fiber ribbon 72 and the third optical fiber ribbon 73.

Of course, the optical fiber ribbon cable with the shell of the octahedral cylinder structure is characterized in that the external optical fiber ribbon body 7 is not limited to three optical fiber ribbons, and may be one or more than one, and inside the first cavity 401, the second cavity 402, the third cavity 403, and the fourth cavity 404, there may be an external optical fiber ribbon body 7 in a cavity, there may be a cavity without an external optical fiber ribbon body 7, and as in embodiment 1, there may be a first electrical unit 2 and a second electrical unit 3 in part or all of the cavities; or only the first electric unit, or only the second electric unit, or the optical fiber ribbon body outside the certain containing cavity, and the first electric unit or the second electric unit or the first electric unit and the second electric unit are arranged in the certain containing cavity.

a step of manufacturing the spacer member: four spacer members 5 each having an integral structure and each composed of a first straight side 51 and a second straight side 52 are manufactured by an extrusion molding machine, and one end of the first straight side 51 of each spacer member is vertically connected with one end of the second straight side 52 of the spacer member; the surface of the other end of the second straight edge 52 of each spacer member is an inclined surface, and the surface of the other end of the first straight edge 51 of each spacer member is parallel to the lower surface of the second straight edge 52 of the spacer member; the four isolation components are respectively called a first isolation component, a second isolation component, a third isolation component and a fourth isolation component;

manufacturing the shell with the octahedral cylinder structure: extruding the octahedral column structure shell 4 by an extruding machine, wherein a shell inner cavity 45 is formed inside the shell, and the shell is formed by a first top edge 41, a second outer side edge 412, a second top edge 42, a third outer side edge 423, a third top edge 43, a fourth outer side edge 434, a fourth top edge 44 and a first outer side edge 441 which are sequentially connected in an annular manner;

placing the isolation component: the manufactured four isolation components 5 are placed in the shell inner cavity 45 of the octahedral cylinder structure shell 4, the other end of the first straight edge 51 of the first isolation component is tightly attached to the inner wall of the first top edge 41, and the other end of the second straight edge 52 of the first isolation component is tightly attached to the inner wall of the first outer side edge 441; the other end of the first straight edge 51 of the second spacer member abuts the inner wall of the second top edge 42 and the other end of the second straight edge 52 of the second spacer member abuts the inner wall of the second outer side edge 412; the other end of the first straight edge 51 of the third separating member abuts the inner wall of the third top edge 43 and the other end of the second straight edge 52 of the third separating member abuts the inner wall of the third outer side edge 423; the other end of the first straight edge 51 of the fourth separating member abuts the inner wall of the fourth top edge 44 and the other end of the second straight edge 52 of the fourth separating member abuts the inner wall of the fourth outer side edge 434; the outer wall of the first straight edge 51 of the first isolation component is attached to the outer wall of the second straight edge 52 of the second isolation component, the outer wall of the first straight edge 51 of the second isolation component is attached to the outer wall of the second straight edge 52 of the third isolation component, the outer wall of the first straight edge 51 of the third isolation component is attached to the outer wall of the second straight edge 52 of the fourth isolation component, the outer wall of the first straight edge 51 of the fourth isolation component is attached to the outer wall of the second straight edge 52 of the first isolation component, the outer walls of the four isolation components surround a central containing cavity 40 with a rectangular or square section, the first isolation component, the first outer side edge 41 and the first outer side edge 441 surround a first containing cavity 401 with a right trapezoid section, the second isolation component, the second top edge 42 and the second outer side edge 412 surround a second containing cavity 402 with a right trapezoid section, the third isolation component, the third top edge 43 and the third outer side edge 423 define a third containing cavity 403 with a right trapezoid section, the fourth insulating member, the fourth top edge 44 and the fourth outer side edge 434 enclose a fourth cavity 404 with a right trapezoid-shaped cross section;

placing a central optical fiber ribbon and an external optical fiber ribbon body: stacking a plurality of central optical fiber ribbons 1 with equal width to form a central optical fiber ribbon body, placing the central optical fiber ribbon body into a central cavity 40, wherein each central optical fiber ribbon 1 consists of a plurality of central optical fibers 11 and a central optical fiber ribbon cladding 12 for cladding the central optical fibers 11; placing an external optical fiber tape body 7 into a first cavity 401, a second cavity 402, a third cavity 403 and a fourth cavity 404, wherein the external optical fiber tape body 7 is composed of a first optical fiber ribbon 71, a second optical fiber ribbon 72 and a third optical fiber ribbon 73 which are stacked in sequence, the first optical fiber ribbon 71 is close to the inner wall of the shell 4, the third optical fiber ribbon 73 is close to the second straight edge 52 of the isolation component 5, the width of the first optical fiber ribbon 71 is smaller than that of the second optical fiber ribbon 72, the width of the second optical fiber ribbon 72 is smaller than that of the third optical fiber ribbon 73, and a plurality of optical fibers are arranged inside the first optical fiber ribbon 71, the second optical fiber ribbon 72 and the third optical fiber ribbon 73;

Example 3

Referring to fig. 12 and fig. 1 to 11, an optical fiber ribbon cable with an octahedral cylinder structure shell has an outer sheath 6 and a central optical fiber ribbon 1, the central optical fiber ribbon 1 is located in the outer sheath 6, the central optical fiber ribbon 1 is composed of at least one central optical fiber ribbon, the central optical fiber ribbon is composed of at least two central optical fibers 11 and a central optical fiber ribbon cladding 12 covering the central optical fibers 11, and a shell 4 is further disposed between the outer sheath 6 and the central optical fiber ribbon 1; the shell 4 is a hollow octahedral cylinder, an octahedral shell inner cavity 45 is formed in the shell 4, four isolation components 5 are arranged in the shell inner cavity 45, each isolation component 5 is composed of a first straight edge 51 and a second straight edge 52, one end of the first straight edge 51 is connected with one end of the second straight edge 52, a straight edge included angle beta between the first straight edge 51 and the second straight edge 52 is 90 degrees, the other end of the first straight edge 51 is abutted against the end part of one side edge of the shell 4, the other end of the second straight edge 52 is abutted against the end part of the far end of the next side edge of the side edge along the clockwise direction, the outer side wall of the first straight edge 51 of the next isolation component 5 is abutted against the outer side wall of the second straight edge 52 of the previous isolation component 5, and the four isolation components 5 and the side wall of the shell 4 respectively form a first containing cavity 401, a second containing cavity 402, a third containing cavity 403 and a fourth containing cavity 404 which are in a right trapezoid shape, the middle of the four isolation parts 5 forms a central cavity 40, and the central optical fiber belt body 1 is positioned in the central cavity 40; an external optical fiber ribbon body 7 is arranged in the first cavity 401, the second cavity 402, the third cavity 403 and the fourth cavity 404, the external optical fiber ribbon body 7 is composed of at least one first optical fiber ribbon 71, an independent filling component 8 is further arranged in the first cavity 401, the second cavity 402, the third cavity 403 and the fourth cavity 404 at the right-angled trapezoid oblique waist, the independent filling component 8 is in a right-angled triangle shape, the hypotenuse of the independent filling component 8 is attached to the corresponding right-angled trapezoid oblique waist of the first cavity 401, the second cavity 402, the third cavity 403 or the fourth cavity 404, one right-angled side of the right-angled triangle of the independent filling component 8 is attached to the corresponding inner side wall of the second straight side 52, and the external optical fiber ribbon body 7 is arranged between the first straight side 51 and the independent filling component 8; be equipped with interior sheath 9 between shell 4 and the outer jacket 6, interior sheath 9 inner wall pastes with shell 4 outer wall.

Basically, the difference is as in embodiment 2: one of them is: the external optical fiber ribbon body 7 is composed of a first optical fiber ribbon 71 and a second optical fiber ribbon 72, the width of the first optical fiber ribbon 71 is equal to that of the second optical fiber ribbon 72, and a plurality of optical fibers are arranged inside the first optical fiber ribbon 71 and the second optical fiber ribbon 72; a second step: an independent filling part 8 is arranged in each of the first cavity 401, the second cavity 402, the third cavity 403 and the fourth cavity 404, the cross section of each independent filling part is in a right-angled triangle shape, one right-angled edge of each independent filling part is attached to the inner wall of the second straight edge of the isolation part enclosing the corresponding cavity, and the other right-angled edge of each independent filling part is attached to the inner wall of the shell enclosing the corresponding cavity.

Of course, in this embodiment, the first optical fiber ribbon 71 and the second optical fiber ribbon 72 of the outer optical fiber ribbon body 7 are not limited to being formed by stacking a plurality of first optical fiber ribbons, and the widths of the first optical fiber ribbons are equal.

Further, in the present embodiment, without being limited to the form shown in fig. 12, the outer optical fiber ribbon body 7 may be stacked in parallel with the first straight side of the corresponding spacer member.

The present embodiment may also have the second and third conductors as in embodiment 2, and may also have only all of the first to fourth cavities, or may have some of the second and third conductors, and the same external optical fiber tape body, and the number of the first optical fiber ribbons in the external optical fiber tape bodies in the first to fourth cavities may be equal or different; the number of the second and third conductors may be equal or different.

Implementing ribbons of different widths as in example 2 allows for more flexibility in use; the space can be more fully utilized.

The optical fiber ribbons in the external optical fiber ribbon body in the embodiment have equal width, so that the splicing and the unification are facilitated; the independent filling component effectively blocks the space.

Example 4

Referring to fig. 13 and 14 and fig. 1 to 12, an optical fiber ribbon cable with an octahedral cylinder structure shell has an outer sheath 6 and a central optical fiber ribbon 1, the central optical fiber ribbon 1 is located in the outer sheath 6, the central optical fiber ribbon 1 is composed of at least one central optical fiber ribbon, the central optical fiber ribbon is composed of at least two central optical fibers 11 and a central optical fiber ribbon cladding 12 covering the central optical fibers 11, and a shell 4 is further disposed between the outer sheath 6 and the central optical fiber ribbon 1; the shell 4 is a hollow octahedral cylinder, an octahedral shell inner cavity 45 is formed in the shell 4, four isolation components 5 are arranged in the shell inner cavity 45, each isolation component 5 is composed of a first straight edge 51 and a second straight edge 52, one end of the first straight edge 51 is connected with one end of the second straight edge 52, a straight edge included angle beta between the first straight edge 51 and the second straight edge 52 is 90 degrees, an integrated filling component 53 is fixedly arranged above the other end of the second straight edge 52, the integrated filling component 53 is in a right-angled triangle shape, the other end of the first straight edge 51 is abutted against the end of one side edge of the shell 4, the other end of the second straight edge 52 is abutted against the end of the far end of the next side edge along the clockwise direction, the outer side wall of the first straight edge 51 of the next isolation component 5 is abutted against the outer side wall of the second straight edge 52 of the previous isolation component 5, and the four isolation components 5 and the side walls of the shell 4 respectively form a first containing cavity 401, A second cavity 402, a third cavity 403 and a fourth cavity 404, wherein a central cavity 40 is defined by the middle of the four isolation components 5, and the central optical fiber ribbon body 1 is located in the central cavity 40; an external optical fiber tape body 7 is arranged in the first cavity 401, the second cavity 402, the third cavity 403 and the fourth cavity 404, the external optical fiber tape body 7 is composed of at least one first optical fiber tape 71, the hypotenuse of the integrated filling component 53 is attached to the right-angled trapezoid inclined waist of the corresponding first cavity 401, the second cavity 402, the third cavity 403 or the fourth cavity 404, and the acute angle corresponding to one right-angled side of the integrated filling component 53 is abutted to the vertex of the included angle of the two corresponding sides of the right-angled trapezoid; be equipped with interior sheath 9 between shell 4 and the outer jacket 6, interior sheath 9 inner wall pastes with shell 4 outer wall.

Please combine the embodiment examples 2 and 3; basically, the difference is as in embodiment example 3: each isolation part 5 is composed of a first straight edge 51, a second straight edge 52 and a filling part 53, wherein one end of the first straight edge 51 of each isolation part is vertically connected with one end of the second straight edge 52 of the isolation part, namely, an included angle beta between the first straight edge 51 of each isolation part and the second straight edge 52 of the isolation part is a right angle, an included angle between the inner wall of the first straight edge 51 of each isolation part and the inner wall of the second straight edge 52 of the isolation part is a right angle, and an included angle between the outer wall of the first straight edge 51 of each isolation part and the outer wall of the second straight edge 52 of the isolation part is a right angle; the cross section of the filling part 53 is in a right-angled triangle shape, the filling part 53 is connected to the other end of the second straight edge 52 of each isolation part, the lower surface of the filling part 53 of each isolation part is in the same plane with the outer wall of the second straight edge 52 of the isolation part, the left surface of the filling part 53 of each isolation part is vertically connected with the other end of the second straight edge 52 of the isolation part, and the filling part 53 extends out of the inner wall of the other end of the second straight edge 52; the surface of the other end of the first straight edge 51 of each spacer is parallel to the lower surface of the second straight edge 52 of the spacer; the other end of the first straight edge 51 of the first spacer element abuts the inner wall of the first top edge 41, and the inclined surface of the filler element 53 of the first spacer element abuts the inner wall of the first outer side edge 441; the other end of the first straight edge 51 of the second spacer element abuts the inner wall of the second top edge 42 and the inclined surface of the filler element 53 of the second spacer element abuts the inner wall of the second outer side edge 412; the other end of the first straight edge 51 of the third separating member abuts against the inner wall of the third top edge 43, and the inclined surface of the filling member 53 of the third separating member abuts against the inner wall of the third outer side edge 423; the other end of the first straight edge 51 of the fourth separating member abuts the inner wall of the fourth top edge 44 and the inclined surface of the filler member 53 of the fourth separating member abuts the inner wall of the fourth outer side edge 434; the outer wall of the first straight edge 51 of the first isolation component is attached to the lower surface of the filling component 53 of the second isolation component, the outer wall of the first straight edge 51 of the second isolation component is attached to the lower surface of the filling component 53 of the third isolation component, the outer wall of the first straight edge 51 of the third isolation component is attached to the lower surface of the filling component 53 of the fourth isolation component, the outer wall of the first straight edge 51 of the fourth isolation component is attached to the lower surface of the filling component 53 of the first isolation component, the outer walls of the four isolation components enclose a central containing cavity 40 with a rectangular or square cross section, the first isolation component and the first top edge 41 enclose a first containing cavity 401 with a rectangular cross section, the second isolation component and the second top edge 42 enclose a second containing cavity 402 with a rectangular cross section, and the third top edge 43 enclose a third containing cavity 403 with a rectangular cross section, the fourth insulating member, and the fourth top edge 44, define a fourth cavity 404 having a rectangular cross-section; the external optical fiber ribbon body is positioned in the containing cavity.

The optical fiber ribbon cable with the outer shell of the octahedral cylinder structure, which is described in the above embodiment examples 1 to 4, is characterized in that the outer part of the outer shell 4 is externally coated with an inner sheath 9, and the outer sheath 6 is further coated outside the inner sheath 9.

The material of the outer protective layer is preferably plastic.

The inner protective layer can be a plurality of stranded or parallel steel wires or water-blocking tapes or aluminum tapes or non-woven fabrics or glass fiber tapes or a plurality of stranded or parallel glass fiber reinforced plastic rods.

Example 5

step 10: extruding four isolation parts 5 and winding the isolation parts 5 on a winding disc of the isolation parts 5, wherein each isolation part 5 consists of a first straight edge 51 and a second straight edge 52, and a straight edge included angle beta between the first straight edge 51 and the second straight edge 52 is 90 degrees;

step 20: installing a plurality of prepared central optical fiber tape reels, a plurality of tape reels of a first optical fiber ribbon 71 and take-up reels of four isolation components 5 on corresponding pay-off racks and an extrusion molding shell 4, wherein the shell 4 is a hollow octahedral cylinder, a shell inner cavity 45 is formed in the octahedral cylinder, the central optical fiber tape reels, the tape reels of the first optical fiber ribbon 71 and the take-up reels of the four isolation components 5 are simultaneously paid off in the shell inner cavity 45, the other end of a first straight edge 51 of the isolation component 5 is abutted against the end part of one side edge of the shell 4, the other end of a second straight edge 52 is abutted against the end part of the far end of the next side edge of the side edge along the clockwise direction, the outer side wall of the first straight edge 51 of the next isolation component 5 is abutted against the outer side wall of the second straight edge 52 of the previous isolation component 5, and the four isolation components 5 and the side walls of the shell 4 respectively form a first accommodating cavity 401, a right trapezoid, A second cavity 402, a third cavity 403 and a fourth cavity 404, wherein a central cavity 40 is defined by the middle of four isolation components 5, and a plurality of central optical fiber ribbons are stacked to form a central optical fiber ribbon body 1 located in the central cavity 40; a plurality of first optical fiber ribbons 71 are stacked to form a plurality of external optical fiber ribbons 7, which are respectively located in first cavity 401, second cavity 402, third cavity 403 and fourth cavity 404;

step 30: an inner protection layer 9 is extruded, and the inner wall of the inner protection layer is attached to the outer wall of the shell 4;

step 40: an outer jacket 6 is extruded.

The optical fiber ribbon cable with the octahedral cylinder structure shell is characterized in that the shell 4 is made of polybutylene terephthalate or modified polypropylene.

The optical fiber ribbon cable with the shell of the octahedral cylinder structure in any embodiment is characterized in that the material of the outer protective layer 6 is high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin.

An optical fiber ribbon cable with an octahedral cylinder structure shell according to any of the above embodiments, wherein the material of the inner sheath 9 may also be high density polyethylene or medium density polyethylene or low density polyethylene or flame retardant polyolefin.

In embodiment 1 of the present invention, the electrical unit is placed in the housing 4, and when the electrical unit is taken out, only the side wall of the housing 4 of the corresponding cavity of the electrical unit needs to be broken, so that the problem that the electrical unit is not easily peeled off in the sheath as in the GYDXTW-144B1.3+4 x 1 optical cable is solved, and the electrical unit is not damaged when peeled off.

In embodiment example 1 of the present application, the width of the fourth inner side edge 4041 is greater than the width of the first bottom edge 411, the width of the first inner side edge 4012 is greater than the width of the second bottom edge 422, the width of the second inner side edge 4023 is greater than the width of the third bottom edge 433, and the width of the third inner side edge 4034 is greater than the width of the fourth bottom edge 444, so that the size of the central cavity 40 is further enlarged, and the internal space of the housing is further utilized.

Accordingly, in the above-mentioned starting point, for the embodiments 2 to 5, the second straight edge 52 of each isolation member 5, the outer wall near the first straight edge 51, may be a little thinner than the other end of the second straight edge 52, so that the size of the central cavity 40 formed may be further increased, so as to accommodate the central optical fiber ribbon body with a larger side length; i.e. the outer wall of the second straight edge 52 of each separating member 5 near the first straight edge 51 is of a smaller thickness than the other end of the separating member near the second straight edge 52.

In embodiment 2 of the present invention, optical fiber ribbons with different lengths are disposed in the first cavity 401, the second cavity 402, the third cavity 403, and the fourth cavity 404 of the right trapezoid, so that the internal spaces of the first cavity 401, the second cavity 402, the third cavity 403, and the fourth cavity 404 are fully utilized, and the problems of low fiber core density and low space utilization rate in the central tube type ribbon optical cable in the prior art are solved.

In embodiments 2 to 4 of the present invention, a first cavity 401, a second cavity 402, a third cavity 403, and a fourth cavity 404 are formed around central cavity 40, and optical fiber ribbons are placed in first cavity 401, second cavity 402, third cavity 403, and fourth cavity 404, so that an out-of-jacket space of a central tube type ribbon cable in the prior art is increased.

In embodiments 2 to 4 of the present invention, the first cavity 401, the second cavity 402, the third cavity 403, the fourth cavity 404 and the central cavity 40 inside the optical fiber ribbon stripping device are not integrally formed by extrusion molding, so that when the optical fiber ribbon in the central cavity 40 is stripped, one of the separation members 5 is directly cut off and removed, that is, the optical fiber ribbon in the central cavity 40 can be taken and used, so that the optical fiber ribbon in the central cavity 40 can be better stripped.

In embodiments 2 to 4 of the present invention, the central cavity 40 can be adjusted by selecting the isolation components 5 with different sizes, so that the cross section of the central cavity can be changed from a square to a rectangle, and therefore, the length and the width of the cross section of the central optical fiber ribbon body 1 can be better adapted, and the problems that the space of a given sleeve cannot be changed and the space utilization rate is not favorable to be improved in the prior art are solved.

In the invention, the isolation component 5 is arranged in the shell 4 to play a supporting role, so that the pressure resistance of the optical cable is also improved.

In this application, not being restricted to four isolation parts and being independent structure, can also be integral type structure, form an isolation part body according to four isolation parts in implementing example 2-4, like this, can directly put into octahedral cylinder structure shell inside, it is more convenient to make like this, the isolation part body can through extrusion molding once.

Further, in the present application, the outer shell is not limited to the form of an octahedral cylinder structure, and actually, the outer shell may also be in other shapes, such as a cylinder shape, in which case, the other end of the first straight edge of the isolation component is in a shape of a part of a cylindrical surface, and likewise, the other end of the second straight edge of the isolation component is in a shape of a part of a cylindrical surface, in which case, the other end of the first straight edge of the isolation component and the other end of the second straight edge of the isolation component are on the same cylindrical surface and, when inside the housing, abut against the inner wall of the housing.

However, the shell of the present application has an octahedral cylinder structure, which is beneficial to the stable fixation of the isolation component, so that the structure of the product is stable and reliable.

In this application, the preferred casing is a regular octahedral cylinder, in which case the central cavity may be a square cross-section, but it is also possible to make the casing not a regular octahedral cylinder, in which case the central cavity may form a non-square rectangular cross-section, allowing more rational placement of the central optical fiber ribbon.

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

1. An optical fiber ribbon cable with an octahedral column structure shell is provided with a central optical fiber ribbon body and a shell (4) positioned outside the central optical fiber ribbon body, wherein the central optical fiber ribbon body is formed by laminating a plurality of central optical fiber ribbons (1), and each central optical fiber ribbon (1) is composed of a plurality of central optical fibers (11) and a central optical fiber ribbon cladding (12) wrapping the central optical fibers (11); the device is characterized in that the shell (4) is of an octahedral cylinder structure, and a shell inner cavity (45) is formed inside the shell (4); the optical fiber ribbon cable with the octahedral column structure shell further comprises four isolation components (5), wherein the isolation components (5) are located in a shell cavity (45), the four isolation components (5) are called a first isolation component, a second isolation component, a third isolation component and a fourth isolation component, each isolation component (5) is of an integrated structure, each isolation component (5) is composed of a first straight edge (51) and a second straight edge (52), and one end of the first straight edge (51) of each isolation component is vertically connected with one end of the second straight edge (52) of the isolation component; the surface of the other end of the second straight edge (52) of each isolation component is an inclined surface, and the surface of the other end of the first straight edge (51) of each isolation component is parallel to the lower surface of the second straight edge (52) of the isolation component; the other end of the first straight edge (51) of the first isolation part clings to the inner wall of the first top edge (41), and the other end of the second straight edge (52) of the first isolation part clings to the inner wall of the first outer side edge (441); the other end of the first straight edge (51) of the second separation member abuts against the inner wall of the second top edge (42), and the other end of the second straight edge (52) of the second separation member abuts against the inner wall of the second outer side edge (412); the other end of the first straight edge (51) of the third isolation component is tightly attached to the inner wall of the third top edge (43), and the other end of the second straight edge (52) of the third isolation component is tightly attached to the inner wall of the third outer side edge (423); the other end of the first straight edge (51) of the fourth separating member abuts against the inner wall of the fourth top edge (44), and the other end of the second straight edge (52) of the fourth separating member abuts against the inner wall of the fourth outer side edge (434); the outer wall of the first straight edge (51) of the first isolation part is attached to the outer wall of the second straight edge (52) of the second isolation part, the outer wall of the first straight edge (51) of the second isolation part is attached to the outer wall of the second straight edge (52) of the third isolation part, the outer wall of the first straight edge (51) of the third isolation part is attached to the outer wall of the second straight edge (52) of the fourth isolation part, the outer wall of the first straight edge (51) of the fourth isolation part is attached to the outer wall of the second straight edge (52) of the first isolation part, the outer walls of the four isolation parts surround a central containing cavity (40) with a rectangular or square section, the first containing cavity (401) with a right trapezoid-angle-shaped section is surrounded by the first isolation part, the first top edge (41) and the first outer side edge (441), the second containing cavity (402) with a right-angle trapezoid-shaped section is surrounded by the second isolation part, the second top edge (42) and the second outer side edge (412), a third cavity (403) with a right trapezoid-shaped cross section is defined by the third isolation part, the third top edge (43) and the third outer side edge (423), and a fourth cavity (404) with a right trapezoid-shaped cross section is defined by the fourth isolation part, the fourth top edge (44) and the fourth outer side edge (434); the central optical fiber belt body is positioned in the central cavity (40), and at least one of the first cavity (401), the second cavity (402), the third cavity (403) and the fourth cavity (404) is internally provided with an external optical fiber belt body (7);

the outer optical fiber ribbon body is composed of at least one first optical fiber ribbon; when a plurality of first optical fiber ribbons are provided, the width of each first optical fiber ribbon is equal, the first optical fiber ribbons are distributed in a laminated mode in the same first cavity or second cavity or third cavity or fourth cavity, and a plurality of optical fibers are arranged in each first optical fiber ribbon; the first cavity or the second cavity or the third cavity or the fourth cavity with the optical fiber ribbon body is also internally provided with an independent filling component (8), the cross section of the independent filling component is in a right-angled triangle shape, one right-angled edge of each independent filling component is attached to the inner wall of the second straight edge of the isolation component which surrounds the corresponding first cavity or the second cavity or the third cavity or the fourth cavity, and the other right-angled edge of each independent filling component is attached to the inner wall of the shell which surrounds the corresponding first cavity or the second cavity or the third cavity or the fourth cavity.

2. An optical fiber ribbon cable with an octahedral column structure shell is provided with a central optical fiber ribbon body and a shell (4) positioned outside the central optical fiber ribbon body, wherein the central optical fiber ribbon body is formed by laminating a plurality of central optical fiber ribbons (1), and each central optical fiber ribbon (1) is composed of a plurality of central optical fibers (11) and a central optical fiber ribbon cladding (12) wrapping the central optical fibers (11); the device is characterized in that the shell (4) is of an octahedral cylinder structure, and a shell inner cavity (45) is formed inside the shell (4); the optical fiber ribbon cable with the octahedral column structure shell further comprises four separation parts (5), the separation parts (5) are located in a shell cavity (45), the four separation parts (5) are called a first separation part, a second separation part, a third separation part and a fourth separation part, each separation part (5) is of an integral structure, each separation part (5) is composed of a first straight edge (51), a second straight edge (52) and a filling part (53), one end of the first straight edge (51) of each separation part is perpendicularly connected with one end of the second straight edge (52) of the separation part, namely the included angle between the first straight edge (51) of each separation part and the second straight edge (52) of the separation part is a right angle, and the included angle between the inner wall of the first straight edge (51) of each separation part and the inner wall of the second straight edge (52) of the separation part is a right angle, the included angle between the outer wall of the first straight edge (51) of each isolation part and the outer wall of the second straight edge (52) of the isolation part is a right angle; the cross section of the filling part (53) is in a right-angled triangle shape, the filling part (53) is connected to the other end of the second straight edge (52) of each isolation part, the lower surface of the filling part (53) of each isolation part is in the same plane with the outer wall of the second straight edge (52) of the isolation part, the left surface of the filling part (53) of each isolation part is vertically connected with the other end of the second straight edge (52) of the isolation part, and the filling part (53) extends out of the inner wall of the other end of the second straight edge (52); the surface of the other end of the first straight edge (51) of each spacer is parallel to the lower surface of the second straight edge (52) of the spacer; the other end of the first straight edge (51) of the first isolation part is tightly attached to the inner wall of the first top edge (41), and the inclined surface of the filling part (53) of the first isolation part is tightly attached to the inner wall of the first outer side edge (441); the other end of the first straight edge (51) of the second isolation part is tightly attached to the inner wall of the second top edge (42), and the inclined surface of the filling part (53) of the second isolation part is tightly attached to the inner wall of the second outer side edge (412); the other end of the first straight edge (51) of the third isolation component is tightly attached to the inner wall of the third top edge (43), and the inclined surface of the filling component (53) of the third isolation component is tightly attached to the inner wall of the third outer side edge (423); the other end of the first straight edge (51) of the fourth isolation component is tightly attached to the inner wall of the fourth top edge (44), and the inclined surface of the filling component (53) of the fourth isolation component is tightly attached to the inner wall of the fourth outer side edge (434); the outer wall of the first straight edge (51) of the first isolation part is attached to the lower surface of the filling part (53) of the second isolation part, the outer wall of the first straight edge (51) of the second isolation part is attached to the lower surface of the filling part (53) of the third isolation part, the outer wall of the first straight edge (51) of the third isolation part is attached to the lower surface of the filling part (53) of the fourth isolation part, the outer wall of the first straight edge (51) of the fourth isolation part is attached to the lower surface of the filling part (53) of the first isolation part, the outer walls of the four isolation parts surround a central containing cavity (40) with a rectangular or square cross section, the first isolation part and the first top edge (41) surround a first containing cavity (401) with a rectangular cross section, the second isolation part and the second top edge (42) surround a second containing cavity (402) with a rectangular cross section, the third isolation part, the first straight edge (51) and the second top edge (42) surround a second containing cavity with a rectangular cross section, and the third isolation part, The third top edge (43) and the fourth top edge (44) enclose a third cavity (403) with a rectangular cross section, and the fourth separation member and the fourth top edge (43) enclose a fourth cavity (404) with a rectangular cross section; the central optical fiber belt body is positioned in the central cavity (40), and at least one of the first cavity (401), the second cavity (402), the third cavity (403) and the fourth cavity (404) is internally provided with an external optical fiber belt body (7).

3. The optical fiber ribbon cable with the octahedral cylinder structure shell according to claim 2, wherein the external optical fiber ribbon body is formed of at least one optical fiber ribbon, each optical fiber ribbon body has a plurality of optical fibers therein, and when the optical fiber ribbon body is formed of a plurality of optical fiber ribbons, the plurality of optical fiber ribbons are stacked in sequence; in a first or second or third or fourth cavity with an optical fiber ribbon: all ribbons are of equal width.

4. The optical fiber ribbon cable with the octahedral cylinder structure outer casing according to any one of claims 1 to 3, wherein the outer casing is externally coated with an inner sheath, and the inner sheath is externally coated with an outer sheath.

5. The optical fiber ribbon cable with the octahedral cylinder structure shell according to claim 4, wherein the inner sheath is a plurality of stranded or parallel steel wires, or a water-blocking tape or an aluminum tape or a non-woven fabric or a glass fiber tape or stranded, or a plurality of parallel glass fiber reinforced plastic rods.

6. The optical fiber ribbon cable with the octahedral cylinder structure shell according to claim 5, wherein the material of the outer sheath is high density polyethylene or medium density polyethylene or low density polyethylene or flame retardant polyolefin.

7. An optical fiber ribbon cable with an octahedral column structure shell is characterized in that the manufacturing method comprises the following steps:

8. An optical fiber ribbon cable with an octahedral column structure shell is provided with an outer protective layer (6) and a central optical fiber ribbon body (1), wherein the central optical fiber ribbon body (1) is positioned in the outer protective layer (6), and the optical fiber ribbon cable is characterized in that a shell (4) is also arranged between the outer protective layer (6) and the central optical fiber ribbon body (1); the shell (4) is surrounded by a first top edge (41), a second outer side edge (412), a second top edge (42), a third outer side edge (423), a third top edge (43), a fourth outer side edge (434), a fourth top edge (44) and a first outer side edge (441), and is of a hollow octahedral cylinder structure, a central cavity (40) surrounded by a first bottom edge (411), a second bottom edge (422), a third bottom edge (433) and a fourth bottom edge (444) is arranged in the middle of the shell (4), and the central optical fiber ribbon body (1) is positioned in the central cavity (40); a first inner side edge (4012) is fixedly connected with the intersection of the first top edge (41) and the second outer side edge (412) and the first bottom edge (411) and the second bottom edge (422), a second inner side edge (4023) is fixedly connected with the intersection of the second top edge (42) and the third outer side edge (423) and the intersection of the second bottom edge (422) and the third bottom edge (433), a third inner side edge (4024) is fixedly connected with the intersection of the third top edge (43) and the fourth outer side edge (434) and the intersection of the third bottom edge (433) and the fourth bottom edge (444), and a fourth inner side edge (4041) is fixedly connected with the intersection of the fourth top edge (44) and the first outer side edge (441) and the intersection of the fourth bottom edge (444) and the first bottom edge (411); the first top edge (41), the first inner side edge (4012), the first bottom edge (411), the fourth inner side edge (4041) and the first outer side edge (441) enclose a first cavity (401) in a right trapezoid shape, the second top edge (42), the second inner side edge (4023), the second bottom edge (422), the first inner side edge (4012) and the second outer side edge (412) enclose a second cavity (402) in a right trapezoid shape, the third top edge (43), the third inner side edge (4034), the third bottom edge (433), the second inner side edge (4023) and the third outer side edge (423) enclose a third cavity (403) in a right trapezoid shape, the fourth top edge (44), the fourth inner side edge (4041), the fourth bottom edge (444), the third inner side edge (4034) and the fourth outer side edge (434) enclose a fourth cavity (404) in a right trapezoid shape, and the first cavity (401), the second cavity (402), the first bottom edge (411), the fourth bottom edge (444), the fourth inner side edge (4024) and the fourth outer side edge (434) enclose a right trapezoid shape, At least one of the third cavity (403) and the fourth cavity (404) is internally provided with at least one first electric unit (2) and one second electric unit (3); the first electric unit (2) is positioned between the top edge and the bottom edge of the right trapezoid, and the second electric unit (3) is positioned between the bottom edge and the oblique waist of the right trapezoid.