CN117348180A - Optical ribbon cable and ribbon cable - Google Patents
Optical ribbon cable and ribbon cable Download PDFInfo
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- CN117348180A CN117348180A CN202311321389.5A CN202311321389A CN117348180A CN 117348180 A CN117348180 A CN 117348180A CN 202311321389 A CN202311321389 A CN 202311321389A CN 117348180 A CN117348180 A CN 117348180A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 206
- 239000013307 optical fiber Substances 0.000 claims abstract description 184
- 239000000835 fiber Substances 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 77
- 238000005452 bending Methods 0.000 claims description 17
- 239000004576 sand Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005622 photoelectricity Effects 0.000 abstract description 2
- 210000001624 hip Anatomy 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4403—Optical cables with ribbon structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/441—Optical cables built up from sub-bundles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Communication Cables (AREA)
Abstract
The invention belongs to the technical field of photoelectricity, and discloses a band-shaped optical cable which is provided with a light transmission body and a protective shell; the method is characterized in that: the optical transmission body consists of 2N or 2N+1 optical fiber bands, each optical fiber band is of an integrated structure, a plurality of optical fibers are arranged in each optical fiber band, each optical fiber band consists of a first bonding section and a second bonding section which are mutually perpendicular, and the first bonding section and the second bonding section of each optical fiber band are symmetrical; the protection shell is formed by encircling a first wall body, a second wall body, a third wall body and a fourth wall body which are equal in wall thickness, the protection shell is of a closed regular tetrahedral structure, and a shell cavity with a square cross section is formed in the protection shell; the invention also discloses a ribbon cable. The invention has the following main technical effects: the space utilization rate is higher, and the fiber core density is higher; less material consumption, lower cost, simple structure, easy processing, easy manufacture, easy assembly, wider application range, more flexible use and more convenience.
Description
Technical Field
The invention belongs to the technical field of photoelectricity, and particularly discloses a ribbon cable and a ribbon cable.
Background
In the prior art, the commonly used optical fiber ribbon is similar to the optical fiber ribbon technical requirement and inspection method recommended by the communication industry standard YD/T979-2009 of the people's republic of China, the cross section of the optical fiber ribbon is rectangular, and the optical fiber ribbon is unfavorable for reasonable utilization of space, for example, when the optical fiber ribbon is placed in a loose tube of a circular cavity, the space is wasted greatly. On the other hand, since it is rectangular, linear, and because of the size and power limitations of the ribbon-and-ribbon apparatus, a ribbon with a large core number cannot be produced. In addition, if optical fiber ribbons with different core numbers and specifications are needed in the same loose tube, when the optical fiber ribbons are stacked, space resources cannot be fully utilized due to the uneven cross section, and space waste is caused.
CN116598058A discloses a ribbon cable with a curved power transmission unit, having a cable core and an outer sheath located outside the cable core, the cable core being composed of three power transmission components; the method is characterized in that: the power transmission assembly comprises a first power transmission unit, a second power transmission unit, a third power transmission unit and a fourth power transmission unit, wherein the first power transmission unit comprises a first conductor and a first insulating layer, the first insulating layer covers the first conductor, the first insulating layer comprises a first insulating side wall, a second insulating side wall and a third insulating side wall, the first insulating side wall and the second insulating side wall form an angle of hundred twenty degrees with each other, the outer edge of the third insulating side wall is a part of a cylindrical surface, the first power transmission unit is of a symmetrical structure, the second power transmission unit comprises a second conductor and a second insulating layer, the second insulating layer covers the second conductor, the second power transmission unit comprises two sections forming an angle of one hundred twenty degrees with each other, the second power transmission unit is of a symmetrical structure, the third power transmission unit comprises two sections forming an angle of one hundred twenty degrees with each other, the third power transmission unit is of a symmetrical structure, the fourth power transmission unit comprises an optical fiber ribbon and a fourth insulating layer, the fourth power transmission unit comprises two sections forming an angle of two hundred twenty degrees with each other, and the fourth power transmission unit comprises two sections forming a symmetrical structure; the outer sheath is composed of a sheath body and a plurality of raised strips, the outer sheath is of an integrated structure, the raised strips protrude from the inner wall of the sheath body to the center of the outer sheath, grooves are formed between adjacent raised strips, a central cavity is formed in the sheath, and the grooves are communicated with the central cavity; the two ends of all the first power transmission units, the second power transmission units, the third power transmission units and the fourth power transmission units are positioned in the grooves, straight lines formed at the bending positions of all the power transmission units in each power transmission assembly are in a first plane passing through the central axis of the outer sheath, the bending positions of all the power transmission units in each power transmission assembly face the same direction and face the center of the outer sheath, the distance between the bending positions of the fourth power transmission units in each power transmission assembly and the central axis of the outer sheath is minimum, the distance between the bending positions of the third power transmission units and the central axis of the outer sheath is second minimum, the distance between the bending positions of the second power transmission units and the central axis of the outer sheath is third minimum, the distance between the bending positions of the first power transmission units and the bending positions of the outer sheath are maximum, and adjacent power transmission units in each power transmission assembly are not contacted; the first planes of the three power transmission assemblies are at an angle of one hundred twenty degrees to each other.
However, the above-mentioned prior art cannot solve the technical problems of how to use the space to the maximum extent when the fiber optic ribbons with different cores are required when having square cavities.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a ribbon cable and a ribbon cable, which are realized by adopting the following technical scheme.
A kind of optical fiber ribbon cable, have light-transmitting body and protective housing; the method is characterized in that: the optical transmission body consists of 2N or 2N+1 optical fiber bands, each optical fiber band is of an integral structure, a plurality of optical fibers are arranged in each optical fiber band, each optical fiber band consists of a first bonding section and a second bonding section which are mutually perpendicular, and the first bonding section and the second bonding section of each optical fiber band are symmetrical relative to the joint of the two bonding sections of the optical fiber band; the protection shell is formed by encircling a first wall body, a second wall body, a third wall body and a fourth wall body which are equal in wall thickness, the protection shell is of a closed regular tetrahedral structure, and a shell cavity with a square cross section is formed in the protection shell;
when having 2N optical fiber ribbons, on the inner wall of the first wall: from top to bottom, have N horizontal groove that the interval was seted up, form N-1 horizontal sand grip between the adjacent horizontal groove, first wall between N horizontal groove and the fourth wall is N horizontal sand grip, on the inner wall of second wall: n vertical grooves are formed from left to right at intervals, N-1 vertical raised strips are formed between every two adjacent vertical grooves, and the first wall body between the N vertical grooves and the third wall body is the N vertical raised strip; the first vertical groove extends downwards and the first horizontal groove extends rightwards to form a first subchamber, the first vertical raised line extends downwards and the first horizontal raised line extends rightwards to form a second subchamber, the second vertical groove extends downwards and the second horizontal groove extends rightwards to form a third subchamber, the second vertical raised line extends downwards and the second horizontal raised line extends rightwards to form a fourth subchamber, and so on until a 2N subchamber is formed, a corner subchamber is formed among the first subchamber, the inner wall at the left end of the second wall body and the inner wall at the upper end of the first wall body, the corner subchamber is a chamber with a square cross section, and the first subchamber to the 2N subchamber are symmetrical right-angle bending chambers;
The first optical fiber ribbon is positioned in the first subcavity, the second optical fiber ribbon is positioned in the second subcavity, the third optical fiber ribbon is positioned in the second vertical groove, the fourth optical fiber ribbon is positioned in the second horizontal groove, and the fourth optical fiber ribbon is positioned in the fourth vertical groove; the upper end of the first bonding section of the second optical fiber ribbon is tightly attached to the lower surface of the first vertical raised strip, and the left end of the second bonding section of the second optical fiber ribbon is tightly attached to the right surface of the first horizontal raised strip; the upper end of the first bonding section of the third optical fiber ribbon is positioned in the second vertical groove, and the left end of the second bonding section of the third optical fiber ribbon is positioned in the second horizontal groove; the upper end of the first bonding section of the fourth optical fiber ribbon is tightly attached to the lower surface of the second vertical raised strip, and the left end of the second bonding section of the fourth optical fiber ribbon is tightly attached to the right surface of the second horizontal raised strip; by analogy, the upper end of the first bonding section of the 2N optical fiber ribbon is tightly attached to the lower surface of the N vertical raised strip, and the left end of the second bonding section of the 2N optical fiber ribbon is tightly attached to the right surface of the N horizontal raised strip;
when there are 2n+1 optical fiber ribbons, the inner wall of the first wall: from top to bottom, have N+1 horizontal grooves that the interval was seted up, form N horizontal sand grip between the adjacent horizontal groove, on the inner wall of second wall: from left to right, N+1 vertical grooves are formed at intervals, and N vertical raised strips are formed between every two adjacent vertical grooves; the first vertical groove extends downwards and the first horizontal groove extends rightwards to form a first subchamber, the first vertical raised line extends downwards and the first horizontal raised line extends rightwards to form a second subchamber, the second vertical groove extends downwards and the second horizontal groove extends rightwards to form a third subchamber, the second vertical raised line extends downwards and the second horizontal raised line extends rightwards to form a fourth subchamber, and so on until a 2N+1 subchamber is formed, a corner subchamber is formed among the first subchamber, the inner wall of the left end of the second wall body and the inner wall of the upper end of the first wall body, the corner subchamber is a chamber with a square cross section, and the first subchamber to the 2N+1 subchamber are symmetrical right-angle bending chambers; the first optical fiber ribbon is positioned in the first subcavity to the 2N+1th subcavity, the upper end of the first bonding section of the first optical fiber ribbon is positioned in the first vertical groove, and the left end of the second bonding section of the first optical fiber ribbon is positioned in the first horizontal groove; the upper end of the first bonding section of the second optical fiber ribbon is tightly attached to the lower surface of the first vertical raised strip, and the left end of the second bonding section of the second optical fiber ribbon is tightly attached to the right surface of the first horizontal raised strip; the upper end of the first bonding section of the third optical fiber ribbon is positioned in the second vertical groove, and the left end of the second bonding section of the third optical fiber ribbon is positioned in the second horizontal groove; the upper end of the first bonding section of the fourth optical fiber ribbon is tightly attached to the lower surface of the second vertical raised strip, and the left end of the second bonding section of the fourth optical fiber ribbon is tightly attached to the right surface of the second horizontal raised strip; by analogy, the upper end of the first bonding section of the 2N+1 optical fiber ribbon is positioned in the (N+1) th vertical groove, and the left end of the second bonding section of the 2N+1 optical fiber ribbon is positioned in the (N+1) th horizontal groove;
Wherein N is more than or equal to 2, and N is a positive integer.
The above-mentioned a ribbon optical cable, its characterized in that: adjacent optical fiber ribbons are in close proximity.
The above-mentioned a ribbon optical cable, its characterized in that: the first fiber band is brought to the 2N-th fiber band, and the number of fibers inside is gradually increased.
The above-mentioned a ribbon optical cable, its characterized in that: the first fiber band is taken to 2n+1 fiber band, and the number of fibers in the inner part is gradually increased.
The above-mentioned a ribbon optical cable, its characterized in that: the corner subchamber is internally provided with a power transmission component, the power transmission component is composed of a first power transmission unit and a second power transmission unit, the first power transmission unit is composed of a first conductor and a first insulating sleeve wrapping the first conductor, and the second power transmission unit is composed of a second conductor and a second insulating sleeve wrapping the second conductor.
The above-mentioned a ribbon optical cable, its characterized in that: all of the vertical grooves have optical fibers in the optical fiber ribbon and all of the horizontal grooves have optical fibers in the optical fiber ribbon.
The above-mentioned a ribbon optical cable, its characterized in that: the first ribbon is identical to the second ribbon, the third ribbon is identical to the fourth ribbon, and so on.
The above-mentioned a ribbon optical cable, its characterized in that: the optical fiber ribbon consists of two discrete and congruent first bonding sections, the cross section of each first bonding section is in a right trapezoid shape, and an included angle beta between the lower bottom edge of the first bonding section and the non-right-angle waist is 45 degrees; the non-right-angle waists of the two first bonding sections are spliced to form a right-angle bent structure.
A ribbon cable has a power transmission body and a protective case; the method is characterized in that: the power transmission body consists of 2N or 2N+1 power transmission strips, each power transmission strip is of an integral structure, each power transmission strip is internally provided with a conductor strip, each power transmission strip is of a symmetrical structure, each power transmission strip consists of a first insulating layer and a second insulating layer which are mutually perpendicular and are connected together at one end, and each power transmission strip is of an integral structure; the conductor bars inside each power transmission bar are composed of a first conductor and a second conductor which are mutually perpendicular, the first conductor and the second conductor are of an integrated structure, the vertical ends of the first conductor and the second conductor are connected together, and the first insulating layer and the second insulating layer of each power transmission bar are symmetrical with respect to the joint of the first insulating layer and the second insulating layer of the power transmission bar; the protection shell is formed by encircling a first wall body, a second wall body, a third wall body and a fourth wall body which are equal in wall thickness, the protection shell is of a closed regular tetrahedral structure, and a shell cavity with a square cross section is formed in the protection shell;
When having 2N transmission lines, on the inner wall of first wall: from top to bottom, have N horizontal groove that the interval was seted up, form N-1 horizontal sand grip between the adjacent horizontal groove, first wall between N horizontal groove and the fourth wall is N horizontal sand grip, on the inner wall of second wall: n vertical grooves are formed from left to right at intervals, N-1 vertical raised strips are formed between every two adjacent vertical grooves, and the first wall body between the N vertical grooves and the third wall body is the N vertical raised strip; the first vertical groove extends downwards and the first horizontal groove extends rightwards to form a first subchamber, the first vertical raised line extends downwards and the first horizontal raised line extends rightwards to form a second subchamber, the second vertical groove extends downwards and the second horizontal groove extends rightwards to form a third subchamber, the second vertical raised line extends downwards and the second horizontal raised line extends rightwards to form a fourth subchamber, and so on until a 2N subchamber is formed, a corner subchamber is formed among the first subchamber, the inner wall at the left end of the second wall body and the inner wall at the upper end of the first wall body, the corner subchamber is a chamber with a square cross section, and the first subchamber to the 2N subchamber are symmetrical right-angle bending chambers; the first power transmission strip to the 2N power transmission strip are respectively positioned in the first subchamber to the 2N subchamber, the upper end of the first insulating layer of the first power transmission strip is positioned in the first vertical groove, and the left end of the second insulating layer of the first power transmission strip is positioned in the first horizontal groove; the upper end of the first insulating layer of the second power transmission strip is clung to the lower surface of the first vertical raised strip, and the left end of the second insulating layer of the second power transmission strip is clung to the right surface of the first horizontal raised strip; the upper end of the first insulating layer of the third power transmission strip is positioned in the second vertical groove, and the left end of the second insulating layer of the third power transmission strip is positioned in the second horizontal groove; the upper end of the first insulating layer of the fourth power transmission strip is clung to the lower surface of the second vertical raised strip, and the left end of the second insulating layer of the fourth power transmission strip is clung to the right surface of the second horizontal raised strip; by analogy, the upper end of the first insulating layer of the 2N power transmission strip is tightly attached to the lower surface of the N vertical raised strip, and the left end of the second insulating layer of the 2N power transmission strip is tightly attached to the right surface of the N horizontal raised strip;
When there are 2n+1 power transmission bars, on the inner wall of the first wall body: from top to bottom, have N+1 horizontal grooves that the interval was seted up, form N horizontal sand grip between the adjacent horizontal groove, on the inner wall of second wall: from left to right, N+1 vertical grooves are formed at intervals, and N vertical raised strips are formed between every two adjacent vertical grooves; the first vertical groove extends downwards and the first horizontal groove extends rightwards to form a first subchamber, the first vertical raised line extends downwards and the first horizontal raised line extends rightwards to form a second subchamber, the second vertical groove extends downwards and the second horizontal groove extends rightwards to form a third subchamber, the second vertical raised line extends downwards and the second horizontal raised line extends rightwards to form a fourth subchamber, and so on until a 2N+1 subchamber is formed, a corner subchamber is formed among the first subchamber, the inner wall of the left end of the second wall body and the inner wall of the upper end of the first wall body, the corner subchamber is a chamber with a square cross section, and the first subchamber to the 2N+1 subchamber are symmetrical right-angle bending chambers; the first power transmission strip is positioned in the first subchamber, the 2N+1th power transmission strip is positioned in the 2N+1th subchamber, the upper end of the first insulating layer of the first power transmission strip is positioned in the first vertical groove, and the left end of the second insulating layer of the first power transmission strip is positioned in the first horizontal groove; the upper end of the first insulating layer of the second power transmission strip is clung to the lower surface of the first vertical raised strip, and the left end of the second insulating layer of the second power transmission strip is clung to the right surface of the first horizontal raised strip; the upper end of the first insulating layer of the third power transmission strip is positioned in the second vertical groove, and the left end of the second insulating layer of the third power transmission strip is positioned in the second horizontal groove; the upper end of the first insulating layer of the fourth power transmission strip is clung to the lower surface of the second vertical raised strip, and the left end of the second insulating layer of the fourth power transmission strip is clung to the right surface of the second horizontal raised strip; by analogy, the upper end of the first insulating layer of the 2N+1 transmission bar is positioned in the (N+1) th vertical groove, and the left end of the second insulating layer of the 2N+1 transmission bar is positioned in the (N+1) th horizontal groove;
Wherein N is more than or equal to 2, and N is a positive integer.
The ribbon cable described above is characterized in that: adjacent power transmission strips are closely attached.
The ribbon cable described above is characterized in that: the corner subchamber is internally provided with a power transmission component, the power transmission component is composed of a first power transmission unit and a second power transmission unit, the first power transmission unit is composed of a first conductor and a first insulating sleeve wrapping the first conductor, and the second power transmission unit is composed of a second conductor and a second insulating sleeve wrapping the second conductor.
The ribbon cable described above is characterized in that: all of the power transmission bars in the vertical slots have first conductors therein, and all of the power transmission bars in the horizontal slots have second conductors therein.
The ribbon cable described above is characterized in that: the cross-sectional areas of all conductor bars are equal; or at least two conductor bars having equal cross-sectional areas; or all of the conductor bars may be of unequal cross-sectional area.
The invention has the following main technical effects: the space of the shell cavity with square or rectangular cross section is fully utilized, and the fiber core density is higher; optical signals and electrical signals can be transmitted in the same cable; the structure is more compact, the material consumption is less, the cost is lower, the structure is simple, the processing and the manufacturing are easy, the assembly is easy, the application range is wider, the use is more flexible and more convenient.
Drawings
Fig. 1 is a schematic perspective view of an anatomic segment of embodiment 1 of the present invention.
Fig. 2 is an enlarged schematic cross-sectional structure of fig. 1.
Fig. 3 is a schematic perspective view of a section of the protective casing used in example 1 after dissection.
Fig. 4 is an enlarged schematic cross-sectional structure of fig. 3.
Fig. 5 is a schematic perspective view of a section of the first optical fiber ribbon used in example 1 after dissection.
Fig. 6 is an enlarged schematic cross-sectional structure of fig. 5.
Fig. 7 is a schematic perspective view of a section of the anatomical structure according to example 2 of the present invention.
Fig. 8 is an enlarged schematic cross-sectional structure of fig. 7.
Fig. 9 is a schematic cross-sectional structure of embodiment 3 of the present invention.
FIG. 10 is a schematic cross-sectional view of a first ribbon used in example 4 of the present invention after splicing.
Fig. 11 is a schematic cross-sectional structure of embodiment example 5 of the present invention.
Fig. 12 is a schematic cross-sectional structure of a first power transmission bar used in embodiment example 6 of the present invention.
Detailed Description
So that those skilled in the art can better understand and practice the present patent, reference will now be made in detail to the drawings, which are illustrated in the accompanying drawings.
In the figure: 1-transmission body, 2-protective housing, 3-transmission member, 4-transmission body, 10-optical fiber, 11-first optical fiber ribbon, 12-second optical fiber ribbon, 13-third optical fiber ribbon, 14-fourth optical fiber ribbon, 15-fifth optical fiber ribbon, 16-sixth optical fiber ribbon, 111-first bonding section, 112-second bonding section, 20-housing cavity, 21-first wall, 22-second wall, 23-third wall, 24-fourth wall, 211-first horizontal groove, 212-first horizontal groove, 213-second horizontal groove, 214-second horizontal groove, 215-third horizontal groove, 216-third horizontal groove, 221-first vertical groove, 222-first vertical groove, 223-second vertical groove 224-second vertical ribs, 225-third vertical grooves, 226-third vertical ribs, 2221-corner subchambers, 2111-first subchambers, 2212-second subchambers, 2313-third subchambers, 2414-fourth subchambers, 2515-fifth subchambers, 2616-sixth subchambers, 31-first power transmission units, 32-second power transmission units, H-inner walls of second walls, L-inner walls of first walls, an angle between the lower bottom edge of the beta-first bonding section and the non-right angle waist, 40-conductor bars, 41-first power transmission bars, 42-second power transmission bars, 43-third power transmission bars, 44-fourth power transmission bars, 45-fifth power transmission bars, 46-sixth power transmission bars, 411-first insulating layers.
Example 1
A kind of optical fiber ribbon cable, have light-transmitting body 1 and protective housing 2; the method is characterized in that: the optical transmission body 1 is composed of a first optical fiber ribbon 11, a second optical fiber ribbon 12, a third optical fiber ribbon 13, a fourth optical fiber ribbon 14, a fifth optical fiber ribbon 15 and a sixth optical fiber ribbon 16, wherein the first optical fiber ribbon to the sixth optical fiber ribbon are respectively of an integrated structure, a plurality of optical fibers 10 are arranged in the first optical fiber ribbon to the sixth optical fiber ribbon, the first optical fiber ribbon 11 is composed of a first bonding section 111 and a second bonding section 112 which are mutually perpendicular, the second optical fiber ribbon to the sixth optical fiber ribbon is also composed of a first bonding section and a second bonding section which are mutually perpendicular, and the first bonding section and the second bonding section of each optical fiber ribbon are symmetrical relative to the joint of the two bonding sections of the optical fiber ribbon; the protection shell 2 is formed by enclosing a first wall body 21, a second wall body 22, a third wall body 23 and a fourth wall body 24, the protection shell 2 is of a closed regular tetrahedral structure, the inside of the protection shell 2 is provided with a shell cavity 20 with a square cross section, and the wall thicknesses of the first wall body 21, the second wall body 22, the third wall body 23 and the fourth wall body 24 are equal; the inner wall of the first wall body 21: from top to bottom, the first wall body 21 between the first horizontal groove 211 and the second horizontal groove 213 is called a first horizontal raised line 212, the first wall body 21 between the second horizontal groove 213 and the third horizontal groove 215 is called a second horizontal raised line 214, and the first wall body 21 between the third horizontal groove 215 and the fourth wall body 24 is called a third horizontal raised line 216; the inner wall of the second wall 22: from left to right, the first vertical groove 221, the second vertical groove 223 and the third vertical groove 225 are formed at intervals, the second wall 22 between the first vertical groove 221 and the second vertical groove 223 is called a first vertical raised line 222, the second wall 22 between the second vertical groove 223 and the third vertical groove 225 is called a second vertical raised line 224, and the second wall 22 between the third vertical groove 225 and the third wall 23 is called a third vertical raised line 226; the first vertical groove 221 extends downwards and the first horizontal groove 211 extends rightwards to form a first subchamber 2111, the first vertical raised line 222 extends downwards and the first horizontal raised line 212 extends rightwards to form a second subchamber 2212, the second vertical groove 223 extends downwards and the second horizontal groove 213 extends rightwards to form a third subchamber 2313, the second vertical raised line 224 extends downwards and the second horizontal raised line 214 extends rightwards to form a fourth subchamber 2414, the third vertical groove 225 extends downwards and the third horizontal groove 215 extends rightwards to form a fifth subchamber 2515, the third vertical raised line 226 extends downwards and the third horizontal raised line 216 extends rightwards to form a sixth subchamber 2616, a corner subchamber 2221 is formed between the first subchamber 2111, the inner wall at the left end of the second wall 22 and the inner wall at the upper end of the first wall 21, the corner subchamber 2221 is a square cross section chamber, and the first subchamber to the sixth subchamber are symmetrical right-angled chambers; the upper end of the first bonding section of first optical fiber ribbon 11 is positioned in first vertical groove 221 and the left end of the second bonding section of first optical fiber ribbon 11 is positioned in first horizontal groove 211; the upper end of the first bonding section of the second optical fiber ribbon 12 is tightly attached to the lower surface of the first vertical protrusion 222, and the left end of the second bonding section of the second optical fiber ribbon 12 is tightly attached to the right surface of the first horizontal protrusion 212; the upper end of the first bonding section of third optical fiber ribbon 13 is positioned in second vertical groove 223 and the left end of the second bonding section of third optical fiber ribbon 13 is positioned in second horizontal groove 213; the upper end of the first bonding section of fourth optical fiber ribbon 14 is abutted against the lower surface of second vertical protrusion 224, and the left end of the second bonding section of fourth optical fiber ribbon 14 is abutted against the right surface of second horizontal protrusion 214; the upper end of the first bonding section of fifth optical fiber ribbon 15 is positioned in third vertical groove 225 and the left end of the second bonding section of fifth optical fiber ribbon 15 is positioned in third horizontal groove 215; the upper end of the first bonding section of sixth optical fiber ribbon 16 is abutted against the lower surface of third vertical rib 226 and the left end of the second bonding section of sixth optical fiber ribbon 16 is abutted against the right surface of third horizontal rib 216.
The above-mentioned a ribbon optical cable, its characterized in that: adjacent optical fiber ribbons are in close proximity.
The above-mentioned a ribbon optical cable, its characterized in that: the first optical fiber is brought to the sixth optical fiber ribbon, and the number of optical fibers in the interior is gradually increased.
The ribbon fiber cable is not limited to the structure with three horizontal grooves and three vertical grooves, and may have more than one ribbon fiber, and accordingly, the ribbon fiber may have other ribbon fiber, and the sub-cavity may have other ribbon fiber.
Example 2 of the embodiment
Please refer to fig. 7 and 8, and refer to fig. 1 to 6, a ribbon fiber cable, which is basically the same as in embodiment 1, except that: the corner subchamber 2221 has a power transmission member 3 therein, and the power transmission member 3 is composed of a first power transmission unit 31 and a second power transmission unit 32, wherein the first power transmission unit 31 is composed of a first conductor and a first insulating sheath covering the first conductor, and the second power transmission unit 32 is composed of a second conductor and a second insulating sheath covering the second conductor.
Further, the optical fiber ribbon cable is characterized in that: the first power transmission unit 31 and the second power transmission unit 32 are also covered with insulating jackets.
Further, referring to fig. 8, a ribbon fiber cable as described above is characterized in that: the cross sections of the outer edges of the first insulating sleeve and the second insulating sleeve are rectangular.
Further, the optical fiber ribbon cable is characterized in that: the cross section of the outer edge of the insulating jacket is rectangular.
Example 3
Please refer to fig. 9, and refer to fig. 1 to 8, a ribbon cable, which is basically the same as the embodiment example 2, except that: the optical fibers are also contained in the optical fiber ribbons in the first, second and third vertical grooves 221, 223, 225 above the inner wall H of the second wall, and the optical fibers are also contained in the optical fiber ribbons in the first, second and third horizontal grooves 211, 213, 215 to the left of the inner wall L of the first wall.
In the embodiment, the space of the vertical groove and the horizontal groove is fully utilized, and the volume density of the optical fiber is enlarged.
The above-mentioned a ribbon optical cable, its characterized in that: the first optical fiber ribbon is identical to the second optical fiber ribbon, the third optical fiber ribbon is identical to the fourth optical fiber ribbon, and the fifth optical fiber ribbon is identical to the sixth optical fiber ribbon.
According to the embodiment, the specification of the optical fiber ribbon is effectively reduced, so that the optical fiber ribbon is more reasonable in use.
This embodiment can be similarly applied to embodiment 1.
Example 4
Please refer to fig. 10, and refer to fig. 1 to 9, a ribbon cable, which is basically the same as any of the above embodiments, except that: the first optical fiber ribbon is composed of two discrete and congruent first bonding sections, the cross section of each first bonding section is in a right trapezoid shape, and an included angle beta between the lower bottom edge of the first bonding section and the non-right-angle waist is 45 degrees; the non-right-angle waists of the two first bonding sections are spliced to form a right-angle bent structure.
Of course, other optical fiber ribbons are also wholly or partially of similar construction to the first optical fiber ribbon except that the length of the first bonding section of the other optical fiber ribbon is different from the length of the first bonding section of the first optical fiber ribbon and the number of optical fibers therein is different.
Example 5
Please refer to fig. 11, and refer to fig. 1 to 9, a ribbon cable, which is basically the same as the embodiment 1, except that: the light transmission device is provided with a light transmission body 1, but is provided with a light transmission body 4, wherein the light transmission body 4 is composed of a first light transmission strip 41, a second light transmission strip 42, a third light transmission strip 43, a fourth light transmission strip 44, a fifth light transmission strip 45 and a sixth light transmission strip 46, each light transmission strip is internally provided with a conductor strip 40, each light transmission strip is of a symmetrical structure, each light transmission strip is composed of a first insulating layer and a second insulating layer which are mutually perpendicular and are connected together at one end, and each light transmission strip is of an integral structure; correspondingly, the conductor bars inside each power transmission bar are also composed of a first conductor and a second conductor which are mutually perpendicular, the first conductor and the second conductor are of an integrated structure, and the vertical ends of the first conductor and the second conductor are connected together. The first conductor and the second conductor are of an integral structure, namely, the first conductor and the second conductor are of an integral structure.
In this embodiment, the conductor bar is composed of a first conductor and a second conductor.
The ribbon cable described above is characterized in that: the first power transmission strip is located in the first subchamber, the second power transmission strip is located in the second subchamber, the third power transmission strip is located in the third subchamber, the fourth power transmission strip is located in the fourth subchamber, the fifth power transmission strip is located in the fifth subchamber, and the sixth power transmission strip is located in the sixth subchamber.
The ribbon cable described above is characterized in that: adjacent power transmission strips are closely attached.
Further, the ribbon cable is not limited to the structure with three horizontal slots and three vertical slots, and may have more power transmission strips, correspondingly, the power transmission strips may have other pluralities, and the subchambers may have other pluralities.
In the above-mentioned ribbon cable, as in example 2, the corner subcavities 2221 may further include a power transmission member 3, where the power transmission member 3 is the same as in example 2.
The ribbon cable may further be: the cross-sectional areas of all conductor bars are equal; or at least two conductor bars having equal cross-sectional areas; or the cross-sectional areas of all conductor bars are unequal; when the two phases are all equal, the two phases can be taken at will, for example, when the two phases are used as two phase lines, when the three phases are used as three phase lines, and so on; when the conductor bars have equal cross sections, the conductor bars can be used in the same phase; when the power transmission strips are not equal, as long as the power transmission strips have at least two identical ribbon cables, the corresponding power transmission strips in each power transmission strip can be taken, and the cross-sectional areas of the conductor strips are equal.
In the above-mentioned ribbon cable, the conductor bars may also have a portion extending into the corresponding vertical grooves and the corresponding horizontal grooves, in such a way that the space of the protective housing 2 and the housing cavity 20 is more effectively utilized; saving materials and cost.
Example 6
Please refer to fig. 12, and refer to fig. 1 to 11, a ribbon cable, which is basically the same as in embodiment example 5, except that: the cross section of the first power transmission strip 41 is a right trapezoid, the smallest angle in the right trapezoid is beta, beta is 45 degrees, the first power transmission strip 41 is composed of a first insulating layer 411 and a conductor strip 40 positioned in the first insulating layer 411, and the cross section of the conductor strip 40 is a right trapezoid similar to the cross section of the first power transmission strip 41; other power transmission bars are similar to the first power transmission bar or the corresponding power transmission bar in the implementation example 5, when the structure of the first power transmission bar in the implementation example is adopted, the non-right-angle waists of two identical first power transmission bars are spliced and attached to form a right-angle structure, and when other power transmission bars are similar in structure, the same mode is adopted for splicing and attaching; finally placed in the corresponding subchamber.
As a further improvement, in the present application, the optical fiber ribbon and the power transmission strip may be distributed at intervals, and the same cable may have both the optical fiber ribbon and the power transmission strip, where the optical fiber ribbon may be in embodiments 1 and 4, and the power transmission strip may be in embodiments 5 and 6; of course, in the same cable, the optical fiber ribbons may be partially as in example 1 and partially as in example 4; of course, in the same cable, the transmission line may be partly in embodiment example 5 and partly in embodiment example 6.
Of course, in the present application, the wall thickness of the first wall 21, the wall thickness of the second wall 22 may be thicker than the wall thickness of the third wall 23, and the wall thickness of the fourth wall 24.
Of course, in this application, the housing cavity 20 may be a rectangular cross section instead of a square cross section, at this time, two sections of the bent optical fiber ribbon are not equal in length, and two sections of the bent power transmission ribbon are also not equal in length, so long as they can be guaranteed to be clamped in corresponding horizontal slots and vertical slots, the horizontal slots and vertical slots enable the optical fiber ribbon or/and the power transmission ribbon to be limited and fixed in position, and a preferred manner is to clamp the horizontal slots and the vertical slots in a tightly contact manner, and adjacent horizontal slots and vertical slots limit the optical fiber ribbon or/and the power transmission ribbon in the middle.
Compared with the prior art, in the application, the optical fiber ribbon with right-angle bending is adopted, so that the number of optical fibers in the optical fiber ribbon is greatly increased, for example, the number of optical fibers in the optical fiber ribbon with rectangular cross section in the prior art is 24 cores at most, and the optical fibers are formed by splicing two 12-core optical fiber ribbons. This application has solved when having square cavity, the not high problem of cavity space utilization, like prior art can refer to fig. 3, do not have horizontal groove and vertical groove in the fig. 3, in order make full use of space, the length phase-match of the optical fiber area of casing cavity and rectangular cross section, the length phase-match of the thickness phase-match of the optical fiber area of casing cavity still must be simultaneously in the side length of casing cavity, and these two kinds of circumstances often are unlikely to be obtained concurrently, so actual hardly make full use of casing cavity, and in this application, through the increase of horizontal groove and vertical groove, and the right angle bending structure of optical fiber area, make the utilization ratio of casing cavity reach the tight maximization.
In practical work, optical fiber ribbons with different core numbers are often required in the same optical cable so as to be convenient to connect with related optical fiber connectors and the like, in this case, the utilization rate of the housing cavity in the prior art is further reduced, and the application simultaneously solves the technical problem.
In the application, the special structure of the power transmission strip fully utilizes the cavity of the shell, so that the product has the advantages of simple structure, easy processing, easy manufacture, easy assembly, wider application range, more flexible use and more convenience.
Therefore, the invention has the following main technical effects: the space of the shell cavity with square or rectangular cross section is fully utilized, and the fiber core density is higher; optical signals and electrical signals can be transmitted in the same cable; the structure is more compact, the material consumption is less, the cost is lower, the structure is simple, the processing and the manufacturing are easy, the assembly is easy, the application range is wider, the use is more flexible and more convenient.
The protective housing described in this application is an integral structure.
The optical fibers described in this application are of the single mode type or the multimode type.
The bonding section is made of plastic and is used for integrally coating the optical fiber.
The materials of the first wall body, the second wall body, the third wall body and the fourth wall body are preferably plastics, and of course, can also be metals or alloys.
The material of the conductor strip is copper or aluminum or copper alloy or aluminum alloy.
The insulating layer is made of plastic.
The material of the electric conductor is copper or aluminum or copper alloy or aluminum alloy.
The above-described embodiments are only preferred embodiments 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 the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (10)
1. A kind of optical fiber ribbon cable, have light-transmitting body and protective housing; the method is characterized in that: the optical transmission body consists of 2N or 2N+1 optical fiber bands, each optical fiber band is of an integral structure, a plurality of optical fibers are arranged in each optical fiber band, each optical fiber band consists of a first bonding section and a second bonding section which are mutually perpendicular, and the first bonding section and the second bonding section of each optical fiber band are symmetrical relative to the joint of the two bonding sections of the optical fiber band; the protection shell is formed by encircling a first wall body, a second wall body, a third wall body and a fourth wall body which are equal in wall thickness, the protection shell is of a closed regular tetrahedral structure, and a shell cavity with a square cross section is formed in the protection shell;
When having 2N optical fiber ribbons, on the inner wall of the first wall: from top to bottom, have N horizontal groove that the interval was seted up, form N-1 horizontal sand grip between the adjacent horizontal groove, first wall between N horizontal groove and the fourth wall is N horizontal sand grip, on the inner wall of second wall: n vertical grooves are formed from left to right at intervals, N-1 vertical raised strips are formed between every two adjacent vertical grooves, and the first wall body between the N vertical grooves and the third wall body is the N vertical raised strip; the first vertical groove extends downwards and the first horizontal groove extends rightwards to form a first subchamber, the first vertical raised line extends downwards and the first horizontal raised line extends rightwards to form a second subchamber, the second vertical groove extends downwards and the second horizontal groove extends rightwards to form a third subchamber, the second vertical raised line extends downwards and the second horizontal raised line extends rightwards to form a fourth subchamber, and so on until a 2N subchamber is formed, a corner subchamber is formed among the first subchamber, the inner wall at the left end of the second wall body and the inner wall at the upper end of the first wall body, the corner subchamber is a chamber with a square cross section, and the first subchamber to the 2N subchamber are symmetrical right-angle bending chambers; the first optical fiber ribbon is positioned in the first subcavity, the second optical fiber ribbon is positioned in the second subcavity, the third optical fiber ribbon is positioned in the second vertical groove, the fourth optical fiber ribbon is positioned in the second horizontal groove, and the fourth optical fiber ribbon is positioned in the fourth vertical groove; the upper end of the first bonding section of the second optical fiber ribbon is tightly attached to the lower surface of the first vertical raised strip, and the left end of the second bonding section of the second optical fiber ribbon is tightly attached to the right surface of the first horizontal raised strip; the upper end of the first bonding section of the third optical fiber ribbon is positioned in the second vertical groove, and the left end of the second bonding section of the third optical fiber ribbon is positioned in the second horizontal groove; the upper end of the first bonding section of the fourth optical fiber ribbon is tightly attached to the lower surface of the second vertical raised strip, and the left end of the second bonding section of the fourth optical fiber ribbon is tightly attached to the right surface of the second horizontal raised strip; by analogy, the upper end of the first bonding section of the 2N optical fiber ribbon is tightly attached to the lower surface of the N vertical raised strip, and the left end of the second bonding section of the 2N optical fiber ribbon is tightly attached to the right surface of the N horizontal raised strip;
When there are 2n+1 optical fiber ribbons, the inner wall of the first wall: from top to bottom, have N+1 horizontal grooves that the interval was seted up, form N horizontal sand grip between the adjacent horizontal groove, on the inner wall of second wall: from left to right, N+1 vertical grooves are formed at intervals, and N vertical raised strips are formed between every two adjacent vertical grooves; the first vertical groove extends downwards and the first horizontal groove extends rightwards to form a first subchamber, the first vertical raised line extends downwards and the first horizontal raised line extends rightwards to form a second subchamber, the second vertical groove extends downwards and the second horizontal groove extends rightwards to form a third subchamber, the second vertical raised line extends downwards and the second horizontal raised line extends rightwards to form a fourth subchamber, and so on until a 2N+1 subchamber is formed, a corner subchamber is formed among the first subchamber, the inner wall of the left end of the second wall body and the inner wall of the upper end of the first wall body, the corner subchamber is a chamber with a square cross section, and the first subchamber to the 2N+1 subchamber are symmetrical right-angle bending chambers; the first optical fiber ribbon is positioned in the first subcavity to the 2N+1th subcavity, the upper end of the first bonding section of the first optical fiber ribbon is positioned in the first vertical groove, and the left end of the second bonding section of the first optical fiber ribbon is positioned in the first horizontal groove; the upper end of the first bonding section of the second optical fiber ribbon is tightly attached to the lower surface of the first vertical raised strip, and the left end of the second bonding section of the second optical fiber ribbon is tightly attached to the right surface of the first horizontal raised strip; the upper end of the first bonding section of the third optical fiber ribbon is positioned in the second vertical groove, and the left end of the second bonding section of the third optical fiber ribbon is positioned in the second horizontal groove; the upper end of the first bonding section of the fourth optical fiber ribbon is tightly attached to the lower surface of the second vertical raised strip, and the left end of the second bonding section of the fourth optical fiber ribbon is tightly attached to the right surface of the second horizontal raised strip; by analogy, the upper end of the first bonding section of the 2N+1 optical fiber ribbon is positioned in the (N+1) th vertical groove, and the left end of the second bonding section of the 2N+1 optical fiber ribbon is positioned in the (N+1) th horizontal groove;
Wherein N is more than or equal to 2, and N is a positive integer.
2. A fiber optic ribbon cable according to claim 1, wherein: adjacent optical fiber ribbons are in close proximity.
3. A fiber optic ribbon cable according to claim 1, wherein: with 2N optical fiber ribbons, the number of optical fibers in the first optical fiber ribbon to the 2N optical fiber ribbon is gradually increased; with 2n+1 optical fiber ribbons, the number of optical fibers in the first optical fiber ribbon to 2n+1 optical fiber ribbon is gradually increased.
4. A fiber optic ribbon cable according to claim 1, wherein: the corner subchamber is internally provided with a power transmission component, the power transmission component is composed of a first power transmission unit and a second power transmission unit, the first power transmission unit is composed of a first conductor and a first insulating sleeve wrapping the first conductor, and the second power transmission unit is composed of a second conductor and a second insulating sleeve wrapping the second conductor.
5. A fiber optic ribbon cable according to claim 1, wherein: all of the vertical grooves have optical fibers in the optical fiber ribbon and all of the horizontal grooves have optical fibers in the optical fiber ribbon.
6. A ribbon cable has a power transmission body and a protective case; the method is characterized in that: the power transmission body consists of 2N or 2N+1 power transmission strips, each power transmission strip is of an integral structure, each power transmission strip is internally provided with a conductor strip, each power transmission strip is of a symmetrical structure, each power transmission strip consists of a first insulating layer and a second insulating layer which are mutually perpendicular and are connected together at one end, and each power transmission strip is of an integral structure; the conductor bars inside each power transmission bar are composed of a first conductor and a second conductor which are mutually perpendicular, the first conductor and the second conductor are of an integrated structure, the vertical ends of the first conductor and the second conductor are connected together, and the first insulating layer and the second insulating layer of each power transmission bar are symmetrical with respect to the joint of the first insulating layer and the second insulating layer of the power transmission bar; the protection shell is formed by encircling a first wall body, a second wall body, a third wall body and a fourth wall body which are equal in wall thickness, the protection shell is of a closed regular tetrahedral structure, and a shell cavity with a square cross section is formed in the protection shell;
When having 2N transmission lines, on the inner wall of first wall: from top to bottom, have N horizontal groove that the interval was seted up, form N-1 horizontal sand grip between the adjacent horizontal groove, first wall between N horizontal groove and the fourth wall is N horizontal sand grip, on the inner wall of second wall: n vertical grooves are formed from left to right at intervals, N-1 vertical raised strips are formed between every two adjacent vertical grooves, and the first wall body between the N vertical grooves and the third wall body is the N vertical raised strip; the first vertical groove extends downwards and the first horizontal groove extends rightwards to form a first subchamber, the first vertical raised line extends downwards and the first horizontal raised line extends rightwards to form a second subchamber, the second vertical groove extends downwards and the second horizontal groove extends rightwards to form a third subchamber, the second vertical raised line extends downwards and the second horizontal raised line extends rightwards to form a fourth subchamber, and so on until a 2N subchamber is formed, a corner subchamber is formed among the first subchamber, the inner wall at the left end of the second wall body and the inner wall at the upper end of the first wall body, the corner subchamber is a chamber with a square cross section, and the first subchamber to the 2N subchamber are symmetrical right-angle bending chambers; the first power transmission strip to the 2N power transmission strip are respectively positioned in the first subchamber to the 2N subchamber, the upper end of the first insulating layer of the first power transmission strip is positioned in the first vertical groove, and the left end of the second insulating layer of the first power transmission strip is positioned in the first horizontal groove; the upper end of the first insulating layer of the second power transmission strip is clung to the lower surface of the first vertical raised strip, and the left end of the second insulating layer of the second power transmission strip is clung to the right surface of the first horizontal raised strip; the upper end of the first insulating layer of the third power transmission strip is positioned in the second vertical groove, and the left end of the second insulating layer of the third power transmission strip is positioned in the second horizontal groove; the upper end of the first insulating layer of the fourth power transmission strip is clung to the lower surface of the second vertical raised strip, and the left end of the second insulating layer of the fourth power transmission strip is clung to the right surface of the second horizontal raised strip; by analogy, the upper end of the first insulating layer of the 2N power transmission strip is tightly attached to the lower surface of the N vertical raised strip, and the left end of the second insulating layer of the 2N power transmission strip is tightly attached to the right surface of the N horizontal raised strip;
When there are 2n+1 power transmission bars, on the inner wall of the first wall body: from top to bottom, have N+1 horizontal grooves that the interval was seted up, form N horizontal sand grip between the adjacent horizontal groove, on the inner wall of second wall: from left to right, N+1 vertical grooves are formed at intervals, and N vertical raised strips are formed between every two adjacent vertical grooves; the first vertical groove extends downwards and the first horizontal groove extends rightwards to form a first subchamber, the first vertical raised line extends downwards and the first horizontal raised line extends rightwards to form a second subchamber, the second vertical groove extends downwards and the second horizontal groove extends rightwards to form a third subchamber, the second vertical raised line extends downwards and the second horizontal raised line extends rightwards to form a fourth subchamber, and so on until a 2N+1 subchamber is formed, a corner subchamber is formed among the first subchamber, the inner wall of the left end of the second wall body and the inner wall of the upper end of the first wall body, the corner subchamber is a chamber with a square cross section, and the first subchamber to the 2N+1 subchamber are symmetrical right-angle bending chambers; the first power transmission strip is positioned in the first subchamber, the 2N+1th power transmission strip is positioned in the 2N+1th subchamber, the upper end of the first insulating layer of the first power transmission strip is positioned in the first vertical groove, and the left end of the second insulating layer of the first power transmission strip is positioned in the first horizontal groove; the upper end of the first insulating layer of the second power transmission strip is clung to the lower surface of the first vertical raised strip, and the left end of the second insulating layer of the second power transmission strip is clung to the right surface of the first horizontal raised strip; the upper end of the first insulating layer of the third power transmission strip is positioned in the second vertical groove, and the left end of the second insulating layer of the third power transmission strip is positioned in the second horizontal groove; the upper end of the first insulating layer of the fourth power transmission strip is clung to the lower surface of the second vertical raised strip, and the left end of the second insulating layer of the fourth power transmission strip is clung to the right surface of the second horizontal raised strip; by analogy, the upper end of the first insulating layer of the 2N+1 transmission bar is positioned in the (N+1) th vertical groove, and the left end of the second insulating layer of the 2N+1 transmission bar is positioned in the (N+1) th horizontal groove;
Wherein N is more than or equal to 2, and N is a positive integer.
7. A ribbon cable as defined in claim 6, wherein: adjacent power transmission strips are closely attached.
8. A ribbon cable as defined in claim 6, wherein: the corner subchamber is internally provided with a power transmission component, the power transmission component is composed of a first power transmission unit and a second power transmission unit, the first power transmission unit is composed of a first conductor and a first insulating sleeve wrapping the first conductor, and the second power transmission unit is composed of a second conductor and a second insulating sleeve wrapping the second conductor.
9. A ribbon cable as defined in claim 6, wherein: all of the power transmission bars in the vertical slots have first conductors therein, and all of the power transmission bars in the horizontal slots have second conductors therein.
10. A ribbon cable as defined in claim 6, wherein: the cross-sectional areas of all conductor bars are equal; or at least two conductor bars having equal cross-sectional areas; or all of the conductor bars may be of unequal cross-sectional area.
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| CN202311321389.5A CN117348180B (en) | 2023-10-13 | 2023-10-13 | Optical ribbon cable and ribbon cable |
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| CN202311321389.5A CN117348180B (en) | 2023-10-13 | 2023-10-13 | Optical ribbon cable and ribbon cable |
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| CN117826352A (en) * | 2024-03-06 | 2024-04-05 | 常熟白莲光电科技有限公司 | Expandable optical fiber ribbon cable |
| CN117849972A (en) * | 2024-03-05 | 2024-04-09 | 常熟虞通光电科技有限公司 | Corrugated butterfly-shaped lead-in optical cable |
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| CN117348180B (en) | 2024-04-09 |
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