CN117238575A - Photoelectric hybrid optical cable with double-unit structure - Google Patents
Photoelectric hybrid optical cable with double-unit structure Download PDFInfo
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- CN117238575A CN117238575A CN202311489532.1A CN202311489532A CN117238575A CN 117238575 A CN117238575 A CN 117238575A CN 202311489532 A CN202311489532 A CN 202311489532A CN 117238575 A CN117238575 A CN 117238575A
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Abstract
The application belongs to the field of optical cables, and discloses a photoelectric hybrid optical cable with a double-unit structure, which is provided with a cable core, a pressure-resistant layer (3) for wrapping the cable core and an outer sheath (4) positioned outside the pressure-resistant layer (3); the method is characterized in that: the cross section of the outer sheath (4) is rectangular, the cable core is composed of two identical optical units (1) and two identical electrical units (2), and when in an assembled state: the two optical units (1) are oppositely arranged and embedded, the electric unit (2) is embedded into the matching groove (11120) of the optical units (1), and the cross section of the cable core is rectangular. The application has the following main beneficial technical effects: the structure is simpler and more compact, the manufacturing is easier, the space utilization rate is higher, the pressure resistance is higher, and the fiber core density is higher.
Description
Technical Field
The application belongs to the field of optical cables, and particularly relates to a photoelectric hybrid optical cable with a double-unit structure.
Background
CN115394492a discloses a banded photoelectricity composite flexible cable for thin seam coal-winning machine, including the compound overcoat mechanism of group, the compound overcoat mechanism of group includes outer lag, outer lag outer wall upside and downside all are provided with two rectangle recesses, and hollow inner chamber, the upper edge and the lower edge position of two hollow inner chambers are provided with a plurality of, and semi-circular opening and tearing rope on the tearable connection plate, every rectangle recess all joint has rectangular seal, it has realized when needing to connect optic fibre in the cable and power cord to the interface in different positions, alright through the mode of hand tearing, directly with outer lag separately, and the outer lag after the separation still wraps up every group information transmission mechanism, need not extra cutting tool, very convenient and fast, can not damage inside optic fibre and power cord at the hand tearing in-process, the degree of difficulty to the cable installation has greatly reduced, work efficiency has been improved.
CN1763867a discloses a longitudinally-wrapped nonmetal reinforcing band for optical cables, which consists of a plurality of glass fibers, an adhesive and a hot melt adhesive. The adhesive bonds the glass fiber into a longitudinal belted body with certain toughness, hardness and transverse tearing strength. The adhesive is thermosetting or a mixture of thermosetting and thermoplastic. The adhesive may also be multi-layered. The extending direction of the plurality of fibers is the same as the extending direction of the longitudinal tape-like body. The cross section of the longitudinally-wrapping nonmetal reinforcing band for the optical cable is rectangular or approximately rectangular. A hot melt adhesive coating is arranged on the surface of at least one side face of the longitudinally-wrapped nonmetallic reinforcing tape for the optical cable. In the optical cable processing process, the optical fiber, the loose tube or the cable core is directly longitudinally wrapped, the outer sheath is directly extruded, and the heat of the sheath is utilized to form a circular tube, so that the effects of reinforcing and resisting side pressure are achieved. The cost is reduced; iron oxidation hydrogen evolution does not exist; the low-temperature performance is excellent, and the low-temperature shrinkage is avoided; the lightning protection type optical cable can be used in a lightning protection area, and the appearance of the optical cable is more round.
However, in practical field use, there are a large number of pipelines and cable troughs with rectangular cross sections, and when the product is used, huge waste of space is caused; moreover, the pressure resistance is low, and the core density of the optical fiber needs to be further improved.
Disclosure of Invention
In order to solve the problems, the application aims to disclose a photoelectric hybrid optical cable with a double-unit structure, which is realized by adopting the following technical scheme.
The photoelectric hybrid optical cable with the double-unit structure comprises a cable core, a pressure-resistant layer wrapping the cable core and an outer sheath positioned outside the pressure-resistant layer; the method is characterized in that: the cross section of the outer sheath is rectangular, the cable core consists of two identical optical units and two identical electric units, each electric unit consists of a conductor and an insulating layer coated outside the conductor, and the cross section of the insulating layer is a right triangle; the optical unit consists of a protective body and an optical fiber ribbon positioned in the protective body, the cross section of the protective body is in a deformed Z shape, the protective body consists of a first protective part, a second protective part and a third protective part which are sequentially connected, the first protective part is internally provided with a first accommodating cavity, the second protective part is internally provided with a second accommodating cavity, the third protective part is internally provided with a third accommodating cavity, the optical fiber ribbon is positioned in the first accommodating cavity to the third accommodating cavity, the first protective part is parallel to the third protective part, the second protective part is inclined relative to the first protective part, a matching groove is formed between the lower edge of the first protective part and the left edge of the second protective part, and a jogging groove is formed between the right edge of the second protective part and the upper edge of the third protective part; in the assembled state: the two light units are oppositely arranged, a first protection part of the second light unit and a part of a second protection part of the second light unit are embedded into the embedded groove of the first light unit, the first protection part of the first light unit and a part of the second protection part of the first light unit are embedded into the embedded groove of the second light unit, the first electric unit is embedded into the matching groove of the first light unit, the second electric unit is embedded into the matching groove of the second light unit, and the cross section of the cable core is rectangular.
The photoelectric hybrid optical cable with the double-unit structure comprises a cable core with a rectangular cross section, a pressure-resistant layer covering the cable core and an outer sheath positioned outside the pressure-resistant layer; the method is characterized in that: the cross section of the outer sheath is rectangular, the cable core consists of two identical optical units and two identical electric units, each electric unit consists of a conductor and an insulating layer coated outside the conductor, the cross section of the conductor and the cross section of the insulating layer are right-angled triangles, and the cross section of the conductor is similar to the cross section of the insulating layer; the optical unit consists of a protection body and an optical fiber belt positioned in the protection body, the cross section of the protection body is in a deformed Z shape, the cross section of the optical fiber belt is in a deformed Z shape, the optical fiber belt is of an integrated structure, the optical fiber belt consists of a plurality of optical fibers and a first bonding layer which wraps all the optical fibers, the adjacent optical fibers are not contacted with each other, the protection body consists of a first protection part, a second protection part and a third protection part which are sequentially connected, the first protection part is internally provided with a first accommodating cavity, the second protection part is internally provided with a second accommodating cavity, the third protection part is internally provided with a third accommodating cavity, the first accommodating cavity is communicated with the second accommodating cavity, the second accommodating cavity is communicated with the third accommodating cavity, the first protection part is parallel to the third protection part, the second protection part is inclined relative to the first protection part, a matching groove is formed between the lower edge of the first protection part and the left edge of the second protection part, and a jogged groove is formed between the right edge of the second protection part and the upper edge of the third protection part; in the assembled state: the left edge of the first protection part of the first light unit, one right-angle edge of the first electric unit and the right edge of the third protection part of the second light unit are in the same plane, the lower edge of the first protection part of the first light unit is clung to the other right-angle edge of the first electric unit, and the inclined edge of the first light unit is clung to the left edge of the second protection part of the first light unit; the left edge of the first protection part of the second light unit, one right-angle edge of the second electric unit and the right edge of the third protection part of the first light unit are in the same plane, the lower edge of the first protection part of the second light unit is clung to the other right-angle edge of the second electric unit, and the inclined edge of the second light unit is clung to the left edge of the second protection part of the second light unit; the upper edge of the first protection part of the first light unit is clung to the upper edge of the third protection part of the second light unit, the right edge of the second protection part of the first light unit is clung to the right edge of the second protection part of the second light unit, and the upper edge of the third protection part of the first light unit is clung to the upper edge of the first protection part of the second light unit.
The application has the following main beneficial technical effects: the structure is simpler and more compact, the manufacturing is easier, the space utilization rate is higher, the pressure resistance is higher, and the fiber core density is higher.
Drawings
Fig. 1 is a schematic cross-sectional structure of embodiment example 1.
Fig. 2 is a schematic perspective view of a section of the light unit used in fig. 1 after dissection.
Fig. 3 is an enlarged schematic cross-sectional structure of fig. 2.
Fig. 4 is a schematic perspective view of the optical fiber ribbon of fig. 2 with the ribbon removed.
Fig. 5 is an enlarged schematic cross-sectional structure of fig. 4.
Fig. 6 is a schematic perspective view of a section of the electric unit used in fig. 1 after dissection.
Fig. 7 is an enlarged schematic cross-sectional structure of fig. 6.
Fig. 8 is a schematic perspective view of a section of the anatomy of the light unit used in embodiment 2.
Fig. 9 is an enlarged schematic cross-sectional structure of fig. 8.
Fig. 10 is a schematic perspective view of the optical fiber ribbon of fig. 8 with the ribbon removed.
Fig. 11 is an enlarged schematic cross-sectional structure of fig. 10.
Fig. 12 is a schematic cross-sectional structure of the light unit used in embodiment example 3.
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-light unit, 2-electric unit, 3-voltage-resistant layer, 4-outer sheath, 11-protective body, 121-first adhesive layer, 122-optical fiber, 111-first protective portion, 112-second protective portion, 113-third protective portion, 1110-first accommodation chamber, 1120-second accommodation chamber, 1130-third accommodation chamber, 11120-matching groove, 12130-fitting groove, 21-conductor, 22-insulating layer, 123-second adhesive layer, 124-third adhesive layer.
Implementation example 1: please refer to fig. 1 to 7, which are a dual-unit structure photoelectric hybrid cable, which comprises a cable core with a rectangular cross section, a pressure-resistant layer 3 covering the cable core, and an outer sheath 4 positioned outside the pressure-resistant layer 3; the method is characterized in that: the cross section of the outer sheath 4 is rectangular, the cable core is composed of two identical optical units 1 and two identical electric units 2, each electric unit 2 is composed of a conductor 21 and an insulating layer 22 coated outside the conductor 21, the cross section of the conductor 21 and the cross section of the insulating layer 22 are right-angled triangles, and the cross section of the conductor 21 is similar to the cross section of the insulating layer 22; the optical unit 1 is composed of a protective body 11 and an optical fiber ribbon positioned in the protective body 11, the cross section of the protective body 11 is in a deformed Z shape, the cross section of the optical fiber ribbon is in a deformed Z shape, the optical fiber ribbon is in an integrated structure, the optical fiber ribbon is composed of a plurality of optical fibers 122 and a first bonding layer 121 wrapping all the optical fibers 122, the adjacent optical fibers 122 are not contacted with each other, the protective body 11 is composed of a first protective part 111, a second protective part 112 and a third protective part 113 which are sequentially connected, the first protective part 111 is internally provided with a first accommodating cavity 1110, the second protective part 112 is internally provided with a second accommodating cavity 1120, the third protective part 113 is internally provided with a third accommodating cavity 1130, the first accommodating cavity 1110 is communicated with the second accommodating cavity 1120, the second accommodating cavity 1120 is communicated with the third accommodating cavity 1130, the first protective part 111 is parallel with the third protective part 113, the second protective part 112 is inclined relative to the first protective part 111, a matching groove 11120 is formed between the lower edge of the first protective part 111 and the left edge of the second protective part 112, and the right edge of the third protective part 112 is embedded with the upper edge 12130 of the third protective part 112; in the assembled state: the left edge of the first protection part 111 of the first light unit 1, one right-angled edge of the first electric unit 2, and the right edge of the third protection part 113 of the second light unit 1 are in the same plane, the lower edge of the first protection part 111 of the first light unit 1 is clung to the other right-angled edge of the first electric unit 2, and the inclined edge of the first light unit 1 is clung to the left edge of the second protection part 112 of the first light unit 1; the left edge of the first protection part 111 of the second light unit 1, one right-angled edge of the second electric unit 2, and the right edge of the third protection part 113 of the first light unit 1 are in the same plane, the lower edge of the first protection part 111 of the second light unit 1 is closely attached to the other right-angled edge of the second electric unit 2, and the inclined edge of the second light unit 1 is closely attached to the left edge of the second protection part 112 of the second light unit 1; the upper edge of the first protection portion 111 of the first light unit 1 is closely attached to the upper edge of the third protection portion 113 of the second light unit 1, the right edge of the second protection portion 112 of the first light unit 1 is closely attached to the right edge of the second protection portion 112 of the second light unit 1, and the upper edge of the third protection portion 113 of the first light unit 1 is closely attached to the upper edge of the first protection portion 111 of the second light unit 1.
Implementation example 2: please refer to fig. 8 to 11, and refer to fig. 1 to 7, a dual-unit structure optical-electrical hybrid cable is basically the same as embodiment 1, except that: the optical unit 1 is composed of a protective body 11 and an optical fiber ribbon positioned in the protective body 11, the cross section of the protective body 11 is in a deformed Z shape, the optical fiber ribbon is composed of a first optical fiber ribbon, a second optical fiber ribbon and a third optical fiber ribbon, the first optical fiber ribbon is composed of a plurality of optical fibers 122 and a first bonding layer 121 wrapping all the optical fibers 122, and adjacent optical fibers 122 in the first optical fiber ribbon are not contacted with each other; the second optical fiber ribbon is composed of a plurality of optical fibers 122 and a second bonding layer 123 wrapping all the optical fibers 122, and adjacent optical fibers 122 in the second optical fiber ribbon are not contacted with each other; the third optical fiber ribbon is composed of a plurality of optical fibers 122 and a third bonding layer 124 wrapping all the optical fibers 122, and adjacent optical fibers 122 in the third optical fiber ribbon are not contacted with each other; the protecting body 11 is composed of a first protecting part 111, a second protecting part 112 and a third protecting part 113 which are sequentially connected, wherein a first accommodating cavity 1110 is formed inside the first protecting part 111, a second accommodating cavity 1120 is formed inside the second protecting part 112, a third accommodating cavity 1130 is formed inside the third protecting part 113, the first accommodating cavity 1110 is not communicated with the second accommodating cavity 1120, the second accommodating cavity 1120 is not communicated with the third accommodating cavity 1130, the first protecting part 111 is parallel to the third protecting part 113, the second protecting part 112 is inclined relative to the first protecting part 111, a matching groove 11120 is formed between the lower edge of the first protecting part 111 and the left edge of the second protecting part 112, and a jogging groove 12130 is formed between the right edge of the second protecting part 112 and the upper edge of the third protecting part 113; the first ribbon is positioned within first cavity 1110, the second ribbon is positioned within second cavity 1120, and the third ribbon is positioned within third cavity 1130.
Implementation example 3: please refer to fig. 12, and refer to fig. 1 to 11, a dual-unit structure optical-electrical hybrid cable is basically the same as embodiment 2, except that: the second accommodating cavity 1120 has two obliquely stacked second optical fiber ribbons therein.
Further, in the optical-electrical hybrid cable of the two-unit structure described in the above embodiments 2 and 3, the first accommodating chamber 1110 has a plurality of first optical fiber ribbons therein, and when the plurality of first optical fiber ribbons are provided, the plurality of first optical fiber ribbons are stacked in a stacked manner.
Further, in the optical-electrical hybrid cable of the two-unit structure described in the above embodiments 2 and 3, the second receiving cavity 1120 may further have a plurality of other second optical fiber ribbons, and when the plurality of second optical fiber ribbons are provided, the plurality of second optical fiber ribbons are stacked in a stacked manner.
Still further, in the optical-electrical hybrid cable of the two-unit structure described in the above embodiments 2 and 3, a plurality of third optical fiber ribbons may be disposed in the third receiving cavity 1130, and when the plurality of third optical fiber ribbons are disposed, the plurality of third optical fiber ribbons are stacked in a stacked manner.
The application relates to a photoelectric hybrid optical cable with a double-unit structure, which is characterized in that: the protector 11 is of unitary construction.
The application relates to a photoelectric hybrid optical cable with a double-unit structure, which is characterized in that: the material of the protective body 11 is plastic or steel or iron or aluminum alloy or copper alloy, preferably steel or iron or aluminum alloy or copper alloy, so that it has more excellent compression resistance.
The application relates to a photoelectric hybrid optical cable with a double-unit structure, which is characterized in that: the material of the pressure-resistant layer 3 is a stainless steel belt or a steel belt having a plastic film on the surface.
The application relates to a photoelectric hybrid optical cable with a double-unit structure, which is characterized in that: the material of the outer sheath 4 is plastic, preferably plastic with flame retardant properties.
The application relates to a photoelectric hybrid optical cable with a double-unit structure, which is characterized in that: the material of the first adhesive layer 121 is a polyacrylic resin or an ultraviolet curable resin.
The application relates to a photoelectric hybrid optical cable with a double-unit structure, which is characterized in that: the material of the second adhesive layer 123 is a polyacrylic resin or an ultraviolet curable resin.
The application relates to a photoelectric hybrid optical cable with a double-unit structure, which is characterized in that: the material of the third adhesive layer 124 is a polyacrylic resin or an ultraviolet curable resin.
The application relates to a photoelectric hybrid optical cable with a double-unit structure, which is characterized in that: the material of the conductor 21 is copper or aluminum or a copper alloy or an aluminum alloy.
The application relates to a photoelectric hybrid optical cable with a double-unit structure, which is characterized in that: the material of the insulating layer 22 is plastic.
The photoelectric hybrid optical cable with the double-unit structure comprises a cable core, a pressure-resistant layer 3 wrapping the cable core and an outer sheath 4 positioned outside the pressure-resistant layer 3; the method is characterized in that: the cross section of the outer sheath 4 is rectangular, the cable core is composed of two identical optical units 1 and two identical electric units 2, each electric unit 2 is composed of a conductor 21 and an insulating layer 22 coated outside the conductor 21, and the cross section of the insulating layer 22 is a right triangle; the light unit 1 is composed of a protective body 11 and an optical fiber ribbon positioned in the protective body 11, the cross section of the protective body 11 is in a deformed Z shape, the protective body 11 is composed of a first protective part 111, a second protective part 112 and a third protective part 113 which are sequentially connected, a first accommodating cavity 1110 is formed in the first protective part 111, a second accommodating cavity 1120 is formed in the second protective part 112, a third accommodating cavity 1130 is formed in the third protective part 113, the optical fiber ribbon is positioned in the first to third accommodating cavities, the first protective part 111 is parallel to the third protective part 113, the second protective part 112 is inclined relative to the first protective part 111, a matching groove 11120 is formed between the lower edge of the first protective part 111 and the left edge of the second protective part 112, and a jogging groove 12130 is formed between the right edge of the second protective part 112 and the upper edge of the third protective part 113; in the assembled state: the two light units 1 are oppositely arranged, the first protection part 111 of the second light unit 1 and a part of the second protection part 112 of the second light unit 1 are embedded into the embedded groove 12130 of the first light unit 1, the first protection part 111 of the first light unit 1 and a part of the second protection part 112 of the first light unit 1 are embedded into the embedded groove 12130 of the second light unit 1, the first electric unit 2 is embedded into the matching groove 11120 of the first light unit 1, the second electric unit 2 is embedded into the matching groove 11120 of the second light unit 1, and the cross section of the cable core is rectangular.
In the photoelectric hybrid cable with the double-unit structure, the upper edge of the first protection part 111 of the light unit 1 is a plane, the left edge of the first protection part 111 of the light unit 1 is a plane, the lower edge of the first protection part 111 of the light unit 1 is a plane, the right edge of the first protection part 111 of the light unit 1 is a plane, the upper edge of the third protection part 113 of the light unit 1 is a plane, the lower edge of the third protection part 113 of the light unit 1 is a plane, the right edge of the third protection part 113 of the light unit 1 is a plane, the left and right edges of the second protection part 112 of the light unit 1 are both planes, the left edge of the second protection part 112 of the light unit 1 is parallel to the right edge of the second protection part 112 of the light unit 1, the left edge of the second protection part 112 of the light unit 1 is in the same plane as the left edge of the third protection part 113 of the light unit 1, and the right edge of the second protection part 112 of the light unit 1 is in the same plane as the right edge of the first protection part 111 of the light unit 1.
In the above-mentioned photoelectric hybrid cable of the dual-unit structure, the upper edge of the first protection portion 111 of the light unit 1 is parallel to the lower edge of the first protection portion 111 of the light unit 1, the upper edge of the third protection portion 113 of the light unit 1 is parallel to the lower edge of the third protection portion 113 of the light unit 1, and the upper edge of the first protection portion 111 of the light unit 1 is parallel to the lower edge of the third protection portion 113 of the light unit 1.
In the above-mentioned photoelectric hybrid cable with a dual-unit structure, the left edge of the first protection portion 111 of the light unit 1 is perpendicular to the upper edge of the first protection portion 111 of the light unit 1, and the right edge of the third protection portion 113 of the light unit 1 is perpendicular to the upper edge of the third protection portion 113 of the light unit 1.
In the above-mentioned photoelectric hybrid cable with a double-unit structure, the angle between the left edge of the second protection portion 112 of the optical unit 1 and the lower edge of the third protection portion 113 of the optical unit 1 is preferably 60 degrees, but of course, other angles are also possible, but the angle must be equal to a right angle of the electric unit.
In the photoelectric hybrid cable of the above-described two-unit structure, the left edge of the first protection portion 111 of the optical unit 1 and the lowest end of the left edge of the third protection portion 113 of the optical unit 1 are in the same plane.
In the above-mentioned photoelectric hybrid cable of a dual-unit structure, the cross section of the first receiving cavity 1110 is preferably trapezoidal, the cross section of the third receiving cavity 1130 is preferably trapezoidal, and the cross section of the second receiving cavity 1120 is preferably parallelogram, so that the space inside the protecting body 11 can be utilized to the greatest extent.
In the application, two identical optical units 1 are arranged back to back and are clamped relatively through the embedding grooves 12130, and the electric unit 2 is arranged in the matching groove 11120, so that the cable core forms a rectangular structure due to the ingenious structural arrangement of the protective body 11 of the optical unit 1, and finally the outer sheath 4 with a rectangular cross section is formed, so that the optical cable is suitable for pipelines and cable grooves with rectangular cross sections in actual use occasions, space resources are fully utilized, and the cost of pipeline lease is reduced.
In the present application, the width of the upper edge of the first protection portion 111 of the light unit 1 is smaller than the width of the lower edge of the third protection portion 113 of the light unit 1.
In the application, the special material of the protective body 11 greatly improves the pressure resistance of the protective body 11, and the pressure resistance of the product is further improved due to the pressure-resistant layer 3, so that the pressure resistance of the product is higher.
In the present application, the first accommodating cavity 110 and the second accommodating cavity 1120 which are not communicated with each other, and the second accommodating cavity 1120 and the third accommodating cavity 1130 which are not communicated with each other, further improve the compressive resistance of the protecting body 11 in all directions.
In the present application, the optical fiber ribbons in the first accommodating cavity 110, the second accommodating cavity 1120 and the third accommodating cavity 1130 improve the utilization rate of the internal space of the protecting body 11, and also, the two optical units 1 are matched to make the utilization rate of the cable core space higher, so that the core density of the optical fiber is further improved.
The application has the following main beneficial technical effects: the structure is simpler and more compact, the manufacturing is easier, the space utilization rate is higher, the pressure resistance is higher, and the fiber core density is higher.
The above-described embodiments are only preferred embodiments of the present application, and should not be construed as limiting the present application. The protection scope of the present application 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 application are also within the scope of the application.
Claims (10)
1. The photoelectric hybrid optical cable with the double-unit structure comprises a cable core, a pressure-resistant layer (3) wrapping the cable core, and an outer sheath (4) positioned outside the pressure-resistant layer (3); the method is characterized in that: the cross section of the outer sheath (4) is rectangular, the cable core is composed of two identical optical units (1) and two identical electric units (2), the electric units (2) are composed of conductors (21) and insulating layers (22) coated outside the conductors (21), and the cross section of each insulating layer (22) is a right triangle; the optical unit (1) is composed of a protective body (11) and an optical fiber ribbon positioned in the protective body (11), the cross section of the protective body (11) is in a deformed Z shape, the protective body (11) is composed of a first protective part (111), a second protective part (112) and a third protective part (113) which are sequentially connected, a first accommodating cavity (1110) is formed in the first protective part (111), a second accommodating cavity (1120) is formed in the second protective part (112), a third accommodating cavity (1130) is formed in the third protective part (113), the optical fiber ribbon is positioned in the first accommodating cavity to the third accommodating cavity, the first protective part (111) is parallel to the third protective part (113), the second protective part (112) is inclined relative to the first protective part (111), a matching groove (11120) is formed between the lower edge of the first protective part (111) and the left edge of the second protective part (112), and a jogged groove (12130) is formed between the right edge of the second protective part (112) and the upper edge of the third protective part (113); in the assembled state: the two light units (1) are oppositely arranged, a first protection part (111) of the second light unit (1) and a part of a second protection part (112) of the second light unit (1) are embedded into the embedded groove (12130) of the first light unit (1), a part of the first protection part (111) of the first light unit (1) and a part of the second protection part (112) of the first light unit (1) are embedded into the embedded groove (12130) of the second light unit (1), the first electric unit (2) is embedded into the matched groove (11120) of the first light unit (1), the second electric unit (2) is embedded into the matched groove (11120) of the second light unit (1), and the cross section of the cable core is rectangular.
2. The photoelectric hybrid optical cable with the double-unit structure comprises a cable core with a rectangular cross section, a pressure-resistant layer (3) for wrapping the cable core, and an outer sheath (4) positioned outside the pressure-resistant layer (3); the method is characterized in that: the cross section of the outer sheath (4) is rectangular, the cable core is composed of two identical optical units (1) and two identical electric units (2), each electric unit (2) is composed of a conductor (21) and an insulating layer (22) coated outside the conductor (21), the cross section of the conductor (21) and the cross section of the insulating layer (22) are right-angled triangles, and the cross section of the conductor (21) is similar to the cross section of the insulating layer (22); the optical unit (1) is composed of a protective body (11) and an optical fiber ribbon positioned in the protective body (11), the cross section of the protective body (11) is in a deformed Z shape, the cross section of the optical fiber ribbon is in an integrated structure, the optical fiber ribbon is composed of a plurality of optical fibers (122) and a first bonding layer (121) wrapping all the optical fibers (122), adjacent optical fibers (122) are not contacted with each other, the protective body (11) is composed of a first protective part (111), a second protective part (112) and a third protective part (113) which are sequentially connected, the first protective part (111) is internally provided with a first accommodating cavity (1110), the second protective part (112) is internally provided with a second accommodating cavity (1120), the third protective part (113) is internally provided with a third accommodating cavity (1130), the first accommodating cavity (122) is communicated with the second accommodating cavity (1120), the second accommodating cavity (1120) is communicated with the third accommodating cavity (1130), the first protective part (111) is connected with the third protective part (113) in sequence, the first protective part (111) is provided with a first protective part (111) which is parallel to the lower protective part (111) and forms a left edge (20) corresponding to the first protective part (111), a fitting groove (12130) is formed between the right edge of the second protection part (112) and the upper edge of the third protection part (113); in the assembled state: the left edge of the first protection part (111) of the first light unit (1), one right-angle edge of the first electric unit (2) and the right edge of the third protection part (113) of the second light unit (1) are in the same plane, the lower edge of the first protection part (111) of the first light unit (1) is clung to the other right-angle edge of the first electric unit (2), and the inclined edge of the first light unit (1) is clung to the left edge of the second protection part (112) of the first light unit (1); the left edge of the first protection part (111) of the second light unit (1), one right-angle edge of the second electric unit (2) and the right edge of the third protection part (113) of the first light unit (1) are in the same plane, the lower edge of the first protection part (111) of the second light unit (1) is clung to the other right-angle edge of the second electric unit (2), and the inclined edge of the second light unit (1) is clung to the left edge of the second protection part (112) of the second light unit (1); the upper edge of the first protection part (111) of the first light unit (1) is clung to the upper edge of the third protection part (113) of the second light unit (1), the right edge of the second protection part (112) of the first light unit (1) is clung to the right edge of the second protection part (112) of the second light unit (1), and the upper edge of the third protection part (113) of the first light unit (1) is clung to the upper edge of the first protection part (111) of the second light unit (1).
3. The photoelectric hybrid optical cable with the double-unit structure comprises a cable core with a rectangular cross section, a pressure-resistant layer (3) for wrapping the cable core, and an outer sheath (4) positioned outside the pressure-resistant layer (3); the method is characterized in that: the cross section of the outer sheath (4) is rectangular, the cable core is composed of two identical optical units (1) and two identical electric units (2), each electric unit (2) is composed of a conductor (21) and an insulating layer (22) coated outside the conductor (21), the cross section of the conductor (21) and the cross section of the insulating layer (22) are right-angled triangles, and the cross section of the conductor (21) is similar to the cross section of the insulating layer (22); the optical unit (1) is composed of a protective body (11) and an optical fiber ribbon positioned in the protective body (11), the cross section of the protective body (11) is in a deformed Z shape, the optical fiber ribbon is composed of a first optical fiber ribbon, a second optical fiber ribbon and a third optical fiber ribbon, the first optical fiber ribbon is composed of a plurality of optical fibers (122) and a first bonding layer (121) wrapping all the optical fibers (122), and adjacent optical fibers (122) in the first optical fiber ribbon are not contacted with each other; the second optical fiber ribbon is composed of a plurality of optical fibers (122) and a second bonding layer (123) wrapping all the optical fibers (122), and adjacent optical fibers (122) in the second optical fiber ribbon are not contacted with each other; the third optical fiber ribbon is composed of a plurality of optical fibers (122) and a third bonding layer (124) wrapping all the optical fibers (122), and adjacent optical fibers (122) in the third optical fiber ribbon are not contacted with each other; the protection body (11) is composed of a first protection part (111), a second protection part (112) and a third protection part (113) which are sequentially connected, a first accommodating cavity (1110) is formed in the first protection part (111), a second accommodating cavity (1120) is formed in the second protection part (112), a third accommodating cavity (1130) is formed in the third protection part (113), the first accommodating cavity (1110) is not communicated with the second accommodating cavity (1120), the second accommodating cavity (1120) is not communicated with the third accommodating cavity (1130), the first protection part (111) is parallel to the third protection part (113), the second protection part (112) is inclined relative to the first protection part (111), a matching groove (11120) is formed between the lower edge of the first protection part (111) and the left edge of the second protection part (112), and a jogging groove (12130) is formed between the right edge of the second protection part (112) and the upper edge of the third protection part (113); the first optical fiber ribbon is positioned in the first accommodating cavity (1110), the second optical fiber ribbon is positioned in the second accommodating cavity (1120), and the third optical fiber ribbon is positioned in the third accommodating cavity (1130); in the assembled state: the left edge of the first protection part (111) of the first light unit (1), one right-angle edge of the first electric unit (2) and the right edge of the third protection part (113) of the second light unit (1) are in the same plane, the lower edge of the first protection part (111) of the first light unit (1) is clung to the other right-angle edge of the first electric unit (2), and the inclined edge of the first light unit (1) is clung to the left edge of the second protection part (112) of the first light unit (1); the left edge of the first protection part (111) of the second light unit (1), one right-angle edge of the second electric unit (2) and the right edge of the third protection part (113) of the first light unit (1) are in the same plane, the lower edge of the first protection part (111) of the second light unit (1) is clung to the other right-angle edge of the second electric unit (2), and the inclined edge of the second light unit (1) is clung to the left edge of the second protection part (112) of the second light unit (1); the upper edge of the first protection part (111) of the first light unit (1) is clung to the upper edge of the third protection part (113) of the second light unit (1), the right edge of the second protection part (112) of the first light unit (1) is clung to the right edge of the second protection part (112) of the second light unit (1), and the upper edge of the third protection part (113) of the first light unit (1) is clung to the upper edge of the first protection part (111) of the second light unit (1).
4. A dual cell structure optical-electrical hybrid cable according to claim 1 or claim 2 or claim 3, characterized in that: the protection body (11) is of an integrated structure.
5. A dual cell structure optical-electrical hybrid cable according to claim 3, characterized in that: the method is characterized in that: the second accommodating cavity (1120) is internally provided with a plurality of obliquely stacked second optical fiber ribbons, and the plurality of second optical fiber ribbons are stacked in a stacked manner.
6. The dual cell structure optical-electrical hybrid cable of claim 5, wherein: the first accommodation cavity (1110) has a plurality of first optical fiber ribbons stacked in a stacked manner therein.
7. The dual cell structure optical-electrical hybrid cable of claim 6, wherein: the method is characterized in that: the third receiving cavity (1130) has a plurality of third optical fiber ribbons stacked in a stacked manner.
8. The dual cell structure optical-electrical hybrid cable of claim 4, wherein: the material of the protective body (11) is plastic or steel or iron or aluminum alloy or copper alloy.
9. The dual cell structure optical-electrical hybrid cable of claim 8, wherein: the material of the pressure-resistant layer (3) is a stainless steel belt or a steel belt with a plastic film on the surface.
10. The dual cell structure optical-electrical hybrid cable of claim 9, wherein: the material of the conductor (21) is copper or aluminum or a copper alloy or an aluminum alloy.
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| CN202311489532.1A CN117238575B (en) | 2023-11-10 | 2023-11-10 | Photoelectric hybrid optical cable with double-unit structure |
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| CN202311489532.1A CN117238575B (en) | 2023-11-10 | 2023-11-10 | Photoelectric hybrid optical cable with double-unit structure |
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| CN117238575B CN117238575B (en) | 2024-01-26 |
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| WO2022057101A1 (en) * | 2020-09-17 | 2022-03-24 | 苏州专创光电科技有限公司 | Microstructure layer-stranded optical cable |
| CN116626826A (en) * | 2023-05-19 | 2023-08-22 | 长飞光纤光缆股份有限公司 | Rat-proof optical cable with high fiber core density |
| CN116661082A (en) * | 2023-07-31 | 2023-08-29 | 苏州专创光电科技有限公司 | Assembly structure ribbon optical cable, butterfly optical cable and cable |
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| JP2002303770A (en) * | 2001-04-05 | 2002-10-18 | Fujikura Ltd | Optical fiber cable |
| CN205104263U (en) * | 2015-08-19 | 2016-03-23 | 马鞍山市盛力锁业科技有限公司 | High protection communication cable |
| WO2022057101A1 (en) * | 2020-09-17 | 2022-03-24 | 苏州专创光电科技有限公司 | Microstructure layer-stranded optical cable |
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| CN117238575B (en) | 2024-01-26 |
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