CN212515159U - High-fiber-core-density optical cable for power communication - Google Patents
High-fiber-core-density optical cable for power communication Download PDFInfo
- Publication number
- CN212515159U CN212515159U CN202021633045.XU CN202021633045U CN212515159U CN 212515159 U CN212515159 U CN 212515159U CN 202021633045 U CN202021633045 U CN 202021633045U CN 212515159 U CN212515159 U CN 212515159U
- Authority
- CN
- China
- Prior art keywords
- cable
- core
- type
- optical cable
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 55
- 238000004891 communication Methods 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 239000000835 fiber Substances 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims description 38
- 239000013307 optical fiber Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 11
- -1 polypropylene Polymers 0.000 claims description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 229920001903 high density polyethylene Polymers 0.000 claims description 7
- 239000004700 high-density polyethylene Substances 0.000 claims description 7
- 229920001684 low density polyethylene Polymers 0.000 claims description 7
- 239000004702 low-density polyethylene Substances 0.000 claims description 7
- 229920001179 medium density polyethylene Polymers 0.000 claims description 7
- 239000004701 medium-density polyethylene Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 239000011152 fibreglass Substances 0.000 claims description 6
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 5
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000001125 extrusion Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Images
Landscapes
- Communication Cables (AREA)
Abstract
The utility model belongs to the cable field especially relates to a high fibre core density optical cable for power communication, have the cable core, the band layer, the outer jacket of extrusion molding outside the band layer, an at least first transmission part and an at least second transmission part of cladding outside the cable core, its characterized in that the cable core comprises many straight flanges and many arc limits, and intersect in a point, and every straight flange constitutes a semicircle with corresponding arc limit, and preceding arc limit and a back straight flange form a first appearance chamber, and preceding arc limit, a back straight flange and a preceding arc limit form a second appearance chamber again, first transmission part is located first appearance chamber, and second transmission part is located the second appearance chamber; the utility model has the advantages of compact structure, the external diameter is little, and fibre core density is big, and is with low costs, and production efficiency is high, beneficial effect such as mechanical properties is good, the utility model provides a high fibre core density optical cable problem with high costs, that production efficiency is low.
Description
Technical Field
The utility model belongs to the cable field especially relates to a power communication is with high fibre core density optical cable.
Background
With the progress of domestic 5G construction, a large number of optical cable connections with high fiber core density are needed among cities.
In the prior art, a high-fiber-core-density optical cable generally adopts a layer-stranded structure that a plurality of loose tubes are stranded outside a central reinforcement to form a cable core, a wrapping layer is coated outside the cable core, and an extrusion molding outer protective layer is arranged outside the wrapping layer.
The above prior art has the following disadvantages: 1. each loose tube is formed by independent extrusion molding, so that energy, materials, equipment and manpower are wasted, and the production efficiency of the optical cable is reduced; 2. the larger the number of cores of the cable, the greater the number of loose tubes required, and thus the larger the outer diameter of the central strength member, the larger the outer diameter of the cable, and the higher the cost of the cable.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention is directed to a high core density optical cable for power communication, which is implemented by the following means.
The utility model provides a high fibre core density optical cable for power communication, has the cable core, the band layer of cladding outside the cable core, the outer jacket of extrusion molding outside the band layer, at least one first transmission part and at least one second transmission part, its characterized in that the cable core comprises many straight flanges and many arc limits to intersect in a point, every straight flange constitutes a semicircle with corresponding arc limit, and preceding arc limit and a back straight flange form a first appearance chamber, and preceding arc limit, a back straight flange and a second appearance chamber that forms of a preceding arc limit again, first transmission part is located first appearance chamber, and second transmission part is located the second appearance chamber.
The optical cable with high fiber core density for power communication is characterized in that an electric unit is arranged outside each pair of adjacent straight edges and corresponding arc edges.
The optical cable with high core density for power communication is characterized in that the electric unit is composed of an electric conductor and an insulating layer extruded outside the electric conductor.
The high-fiber-core-density optical cable for power communication is characterized in that the insulating layer is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin.
The optical cable with high fiber core density for power communication is characterized in that a filling component is arranged outside each pair of adjacent straight edges and corresponding arc edges, and the outer wall of the filling component is attached to the outer walls of the straight edges and the corresponding arc edges and the inner wall of the belting layer.
The optical cable with high fiber core density for power communication is characterized in that the filling component is made of polypropylene or linear low-density polyethylene or glass fiber reinforced plastic rod.
When the filling component also adopts the glass fiber reinforced plastic rod, the side pressure resistance protection of the cable core can be enhanced, and the tensile strength of the optical cable is enhanced.
The optical fiber ribbon is formed by combining at least two optical fibers, and the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
The optical cable with high fiber core density for power communication is characterized in that the second transmission component is an optical fiber or a tight-buffered optical fiber consisting of the optical fiber and a tight-buffered layer extruded outside the optical fiber, and the type of the optical fiber is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
The high-fiber-core-density optical cable for power communication is characterized in that the material of the outer protective layer is high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin.
The optical cable with high fiber core density for power communication is characterized in that the belting layer is a steel belt or an aluminum belt or a water-blocking belt.
The optical cable with high fiber core density for power communication is characterized in that the material of the cable core is polybutylene terephthalate or modified polypropylene.
In the utility model, the cable core is integrally formed, a plurality of second containing cavities and first containing cavities can be formed by single extrusion molding, the cable core does not need to be twisted, the cabling procedure is eliminated, the production time is saved, the production efficiency is improved, and the cost is saved; the size and the shape of the second cavity are different from those of the first cavity, so that various types of optical fibers can be placed in the cable core, and the optical fibers cannot be mixed during construction; the cable core is integrally formed, unnecessary space is avoided, the optical cable is compact in structure, smaller in outer diameter and higher in fiber core density, and more optical signals can be transmitted.
Therefore, the utility model has the advantages of compact structure, the external diameter is little, and fibre core density is big, and is with low costs, and production efficiency is high, and mechanical properties is good.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 4 of the present invention.
Figure 5 is the utility model discloses cable core structure schematic diagram.
In the figure: 1. the cable comprises an outer protection layer, 2. a wrapping layer, 3. a filling component, 4. a cable core, 41. a straight edge, 42. an arc edge, 43. a second cavity, 44. a first cavity, 5. a first transmission component, 6. a second transmission component and 7. an electric unit.
Detailed Description
Example 1
Referring to fig. 1 and 5, an optical cable with high fiber core density for power communication comprises a cable core 4, a cladding layer 2 coated outside the cable core 4, an outer sheath layer 1 extruded outside the cladding layer 2, at least one first transmission component 5 and at least one second transmission component 6, wherein the cable core 4 is composed of a plurality of straight sides 41 and a plurality of arc sides 42, and the straight sides 41 and the arc sides 42 meet at one point, each straight side 41 and the corresponding arc side 42 form a semicircle, the previous arc side 42 and the subsequent straight side 41 form a first cavity 44, the previous arc side 42, the subsequent straight side 41 and the subsequent arc side 42 form a second cavity 43, the first transmission component 5 is located in the first cavity 44, the second transmission component 6 is located in the second cavity 43, a filling component 3 is further arranged outside each pair of adjacent straight sides 41 and corresponding arc sides 42, the outer wall of the filling component 3 is attached to the outer wall of the straight side 41, the outer wall of the corresponding arc side 4 and the inner wall of the cladding layer 2, the first transmission member 5 is an optical fiber, and the second transmission member 6 is an optical fiber.
The optical cable with high core density for power communication is characterized in that the material of the filling component 3 is polypropylene or linear low density polyethylene.
Furthermore, in order to enhance the lateral pressure protection of the cable core 4 and the tensile strength of the optical cable, the filling member 3 may also be a glass fiber reinforced plastic rod.
Example 2
Referring to fig. 2 and 5, an optical cable with high fiber core density for power communication comprises a cable core 4, a cladding layer 2 coated outside the cable core 4, an outer sheath layer 1 extruded outside the cladding layer 2, at least one first transmission component 5 and at least one second transmission component 6, wherein the cable core 4 is composed of a plurality of straight sides 41 and a plurality of arc sides 42, and the straight sides 41 and the arc sides 42 meet at one point, each straight side 41 and the corresponding arc side 42 form a semicircle, the previous arc side 42 and the subsequent straight side 41 form a first cavity 44, the previous arc side 42, the subsequent straight side 41 and the subsequent arc side 42 form a second cavity 43, the first transmission component 5 is located in the first cavity 44, the second transmission component 6 is located in the second cavity 43, a filling component 3 is further arranged outside each pair of adjacent straight sides 41 and corresponding arc sides 42, the outer wall of the filling component 3 is attached to the outer wall of the straight side 41, the outer wall of the corresponding arc side 4 and the inner wall of the cladding layer 2, the first transmission part 5 is an optical fiber ribbon laminated body, and the second transmission part 6 is an optical fiber.
The optical cable with high fiber core density for power communication is characterized in that the optical fiber ribbon lamination body is formed by laminating two optical fiber ribbons, and the optical fiber ribbons are formed by combining at least two optical fibers.
The optical cable with high core density for power communication is characterized in that the material of the filling component 3 is polypropylene or linear low density polyethylene.
Furthermore, in order to enhance the lateral pressure protection of the cable core 4 and the tensile strength of the optical cable, the filling member 3 may also be a glass fiber reinforced plastic rod.
Example 3
Referring to fig. 3 and 5, an optical cable with high fiber core density for power communication comprises a cable core 4, a cladding layer 2 coated outside the cable core 4, an outer sheath layer 1 extruded outside the cladding layer 2, at least one first transmission component 5 and at least one second transmission component 6, wherein the cable core 4 is composed of a plurality of straight sides 41 and a plurality of arc sides 42, and the straight sides 41 and the arc sides 42 meet at one point, each straight side 41 and the corresponding arc side 42 form a semicircle, the previous arc side 42 and the subsequent straight side 41 form a first cavity 44, the previous arc side 42, the subsequent straight side 41 and the subsequent arc side 42 form a second cavity 43, the first transmission component 5 is located in the first cavity 44, the second transmission component 6 is located in the second cavity 43, a filling component 3 is further arranged outside each pair of adjacent straight sides 41 and corresponding arc sides 42, the outer wall of the filling component 3 is attached to the outer wall of the straight side 41, the outer wall of the corresponding arc side 4 and the inner wall of the cladding layer 2, the first transmission part 5 is an optical fiber, the second transmission part 6 is a tight-buffered optical fiber, and the tight-buffered optical fiber is composed of an optical fiber and a tight-buffered layer extruded outside the optical fiber.
The high-fiber-core-density optical cable for power communication is characterized in that the tight sleeve layer material is polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin or nylon or TPU elastomer material.
The optical cable with high core density for power communication is characterized in that the material of the filling component 3 is polypropylene or linear low density polyethylene.
Furthermore, in order to enhance the lateral pressure protection of the cable core 4 and the tensile strength of the optical cable, the filling member 3 may also be a glass fiber reinforced plastic rod.
Example 4
Referring to fig. 4 and 5, an optical cable with high fiber core density for power communication comprises a cable core 4, a cladding layer 2 coated outside the cable core 4, an outer sheath layer 1 extruded outside the cladding layer 2, at least one first transmission component 5 and at least one second transmission component 6, wherein the cable core 4 is composed of a plurality of straight sides 41 and a plurality of arc sides 42, and the straight sides 41 and the arc sides 42 meet at one point, each straight side 41 and the corresponding arc side 42 form a semicircle, the previous arc side 42 and the subsequent straight side 41 form a first cavity 44, the previous arc side 42, the subsequent straight side 41 and the subsequent arc side 42 form a second cavity 43, the first transmission component 5 is located in the first cavity 44, the second transmission component 6 is located in the second cavity 43, an electric unit 7 is further arranged outside each pair of adjacent straight sides 41 and corresponding arc sides 42, the first transmission component 5 is an optical fiber, the second transmission member 6 is an optical fiber.
The optical cable with high core density for power communication is characterized in that the electric unit 7 is composed of an electric conductor and an insulating layer extruded outside the electric conductor.
The high-fiber-core-density optical cable for power communication is characterized in that the insulating layer is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin.
In this embodiment, the optical cable can transmit optical signals and electric power simultaneously, has the performance of photoelectricity with passing.
The optical cable with high core density for power communication according to any embodiment of the above embodiments is characterized in that the material of the outer sheath 1 is high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin.
The optical cable with high fiber core density for power communication in any embodiment is characterized in that the wrapping layer 2 is a steel strip, an aluminum strip or a water-blocking tape.
The optical cable with high fiber core density for power communication according to any embodiment is characterized in that the material of the cable core 4 is polybutylene terephthalate or modified polypropylene.
The optical cable with high fiber core density for power communication in any embodiment is characterized in that the type of the optical fiber is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
In the utility model, the cable core 4 is integrally formed, a plurality of second containing cavities 43 and first containing cavities 44 can be formed by single extrusion molding, the cable core does not need to be twisted, the cabling procedure is eliminated, the production time is saved, the production efficiency is improved, and the cost is saved; the second containing cavity 43 and the first containing cavity 44 are different in size and shape, so that various types of optical fibers can be placed in the cable core, and construction cannot be confused; the cable core is integrally formed, unnecessary space is avoided, the optical cable is compact in structure, smaller in outer diameter and higher in fiber core density, and more optical signals can be transmitted.
The utility model provides a high fibre core density optical cable with high costs, the low problem of production efficiency.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. A high-fiber-core-density optical cable for power communication comprises a cable core (4), a wrapping layer (2) coated outside the cable core (4), an outer protective layer (1) extruded outside the wrapping layer (2), at least one first transmission component (5) and at least one second transmission component (6), it is characterized in that the cable core (4) consists of a plurality of straight edges (41) and a plurality of arc edges (42), and meet at a point, each straight edge (41) and the corresponding arc edge (42) form a semicircle, the front arc edge (42) and the rear arc edge (41) form a first containing cavity (44), the front arc edge (42), the rear straight edge (41) and the front arc edge (42) form a second containing cavity (43), the first transmission component (5) is positioned in the first cavity (44), and the second transmission component (6) is positioned in the second cavity (43).
2. A high core density optical cable for electrical communications according to claim 1, wherein an electrical element (7) is provided outside each pair of adjacent straight edges (41) and corresponding curved edges (42).
3. The optical cable of claim 2, wherein the electrical unit (7) comprises an electrical conductor and an insulating layer extruded outside the electrical conductor.
4. The optical cable as claimed in claim 3, wherein the insulating layer is made of polyvinyl chloride or high density polyethylene or medium density polyethylene or low density polyethylene or flame retardant polyolefin.
5. The optical cable with high fiber core density for power communication according to claim 1, wherein a filling member (3) is further provided outside each pair of adjacent straight edges (41) and corresponding curved edges (42), and the outer wall of the filling member (3) is attached to the outer walls of the straight edges (41) and the corresponding curved edges (42) and the inner wall of the wrapping layer (2).
6. The optical cable as claimed in claim 5, wherein the filling member (3) is made of polypropylene or linear low density polyethylene or glass fiber reinforced plastic rod.
7. The optical cable with high core density for power communication according to claim 1, wherein the first transmission member (5) is an optical fiber or a ribbon body in which at least two optical fiber ribbons are stacked, the optical fiber ribbons are formed by combining at least two optical fibers, and the optical fiber type is g.652 type, g.653 type, g.654 type, g.655 type, g.656 type, g.657 type, A1a type, A1b type or A1c type.
8. The optical cable of claim 1, wherein the second transmission member (6) is an optical fiber or a tight-buffered optical fiber comprising an optical fiber and a tight-buffered layer extruded on the optical fiber, and the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b or A1 c.
9. The optical cable with high core density for power communication according to claim 1, wherein the material of the outer sheath (1) is high density polyethylene or medium density polyethylene or low density polyethylene or flame retardant polyolefin.
10. The optical cable with high core density for power communication according to claim 1, wherein the wrapping layer (2) is a steel or aluminum tape or a water-blocking tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021633045.XU CN212515159U (en) | 2020-08-08 | 2020-08-08 | High-fiber-core-density optical cable for power communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021633045.XU CN212515159U (en) | 2020-08-08 | 2020-08-08 | High-fiber-core-density optical cable for power communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212515159U true CN212515159U (en) | 2021-02-09 |
Family
ID=74383756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021633045.XU Expired - Fee Related CN212515159U (en) | 2020-08-08 | 2020-08-08 | High-fiber-core-density optical cable for power communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212515159U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724935A (en) * | 2021-09-06 | 2021-11-30 | 江苏长飞中利光纤光缆有限公司 | Composite ribbon optical cable |
| CN116577891A (en) * | 2023-07-12 | 2023-08-11 | 常熟市邦知光电科技有限公司 | Optical fiber ribbon cable and power cable with at least two loose tubes |
-
2020
- 2020-08-08 CN CN202021633045.XU patent/CN212515159U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724935A (en) * | 2021-09-06 | 2021-11-30 | 江苏长飞中利光纤光缆有限公司 | Composite ribbon optical cable |
| CN113724935B (en) * | 2021-09-06 | 2023-03-14 | 长飞光电线缆(苏州)有限公司 | Composite ribbon optical cable |
| CN116577891A (en) * | 2023-07-12 | 2023-08-11 | 常熟市邦知光电科技有限公司 | Optical fiber ribbon cable and power cable with at least two loose tubes |
| CN116577891B (en) * | 2023-07-12 | 2023-09-12 | 常熟市邦知光电科技有限公司 | Optical fiber ribbon cable and power cable with at least two loose tubes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110888215A (en) | Framework type optical cable or cable for 5G network | |
| CN212515159U (en) | High-fiber-core-density optical cable for power communication | |
| CN113625405B (en) | Optical fiber ribbon cable | |
| CN111781695A (en) | Spliced framework optical cable and cable | |
| CN112151216A (en) | Power cable, photoelectric composite cable, communication optical cable and optical fiber ribbon | |
| CN210109435U (en) | Optical cable of layer-stranding structure | |
| CN212540813U (en) | Layer stranded type ribbon optical cable with pressure-resistant loose sleeve | |
| CN211014753U (en) | Framework type optical cable or cable for 5G information network | |
| CN212411634U (en) | Electric power to house butterfly-shaped introducing optical cable | |
| CN211263901U (en) | Ribbon optical cable and cable with same | |
| CN212623256U (en) | Optical cable with special-shaped protective sleeve | |
| CN212570461U (en) | Improved butterfly cable, optical cable and optical cable | |
| CN210052579U (en) | Indoor composite optical cable | |
| CN110853817A (en) | Photoelectric composite cable with novel structure for 5G network | |
| CN210005760U (en) | optical cable with special-shaped loose tube | |
| CN113805295B (en) | Shock-resistant compression-resistant optical cable and cable | |
| CN111180132A (en) | Photoelectric composite cable with special-shaped power transmission line | |
| CN210166545U (en) | Loose tube and optical cable or electric cable adopting same | |
| CN212540812U (en) | Cross leading-in optical cable for 5G | |
| CN113671650A (en) | Ribbon optical cable capable of changing fiber core capacity in tube | |
| CN116665981B (en) | Butterfly-shaped optical cable with bending optical fiber ribbon, ribbon-shaped optical cable and power cable | |
| CN117270129A (en) | Core number dense optical fiber ribbon cable | |
| CN112363288A (en) | High-density layer-stranded ribbon optical cable, high-density layer-stranded optical cable and high-density layer-stranded cable | |
| CN216979380U (en) | Composite optical cable for high-voltage cable | |
| CN116110646A (en) | Power cable for electric power quick overhaul |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |