CN113504617B - Water-blocking optical cable with high compression resistance and high impact resistance - Google Patents
Water-blocking optical cable with high compression resistance and high impact resistance Download PDFInfo
- Publication number
- CN113504617B CN113504617B CN202110600472.0A CN202110600472A CN113504617B CN 113504617 B CN113504617 B CN 113504617B CN 202110600472 A CN202110600472 A CN 202110600472A CN 113504617 B CN113504617 B CN 113504617B
- Authority
- CN
- China
- Prior art keywords
- layer
- optical cable
- resistant
- water
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- 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
- G02B6/4432—Protective covering with fibre reinforcements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Communication Cables (AREA)
Abstract
The invention provides a water-blocking type optical cable with high compression resistance and high impact resistance, which comprises a cable core and a protective layer structure on the outer side of the cable core; the protective layer structure comprises a PET (polyethylene terephthalate) tape wrapping layer, a braided shielding layer, an outer buffer layer, an armor layer and an outer sheath layer which are sequentially wrapped from inside to outside; the cable core comprises a central reinforcing support piece and a plurality of optical communication units which are circumferentially arranged on the periphery of the central reinforcing support piece, and water blocking pieces are arranged in gaps between two adjacent optical communication units and a PET (polyethylene terephthalate) tape wrapping layer; the optical communication unit comprises a sleeve and an optical fiber in the sleeve. The invention has reasonable structural design, good antibacterial, mildew-proof, aging-resistant, corrosion-resistant, environment-friendly performance, low hygroscopicity, low heat conductivity, strong heat preservation performance, extrusion resistance, strong impact resistance and the like, long service life and stable and reliable signal transmission.
Description
Technical Field
The invention belongs to the technical field of optical cable design and manufacture, and particularly relates to a water-blocking optical cable with high compression resistance and high impact resistance.
Background
With the development of communication technology, the application of optical cables is becoming more popular, and at the same time, higher requirements are being put on the optical cables. Because of the particularity of the optical cable, the optical cable is often required to be applied in severe environments, for example, in severe cold areas, water accumulation and icing often occur in pipelines or grooves, once the water is frozen, the volume of the water is increased, so that the optical cable is compressed and deformed, the optical fiber is broken, communication is interrupted, and in the areas with severe working conditions, the maintenance of facilities is difficult, and once the optical cable is damaged, the input manpower and material resources are high. Therefore, to accommodate these severe conditions, improvements to existing fiber optic cables are needed.
Disclosure of Invention
In view of the above, the present invention is to overcome the defects in the prior art, and provides a water-blocking optical cable with high compression resistance and high impact resistance.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a water-blocking optical cable with high compression resistance and high impact resistance comprises a cable core and a protective layer structure outside the cable core; the protective layer structure comprises a PET (polyethylene terephthalate) tape wrapping layer, a woven shielding layer, an outer buffer layer, an armor layer and an outer sheath layer which are sequentially wrapped from inside to outside; the cable core comprises a central reinforcing support piece and a plurality of optical communication units which are circumferentially arranged on the periphery of the central reinforcing support piece, and water blocking pieces are arranged in gaps between two adjacent optical communication units and a PET (polyethylene terephthalate) tape wrapping layer; the optical communication unit comprises a sleeve, a plurality of optical fibers are arranged in the sleeve, and fiber paste is filled in the sleeve.
Further, a second cold-resistant layer is arranged between the PET belt wrapping layer and the woven shielding layer.
Further, an intermediate buffer layer is arranged between the second cold-resistant layer and the woven shielding layer.
Further, the first cold-resistant layer is made of nano ceramic microbead materials.
Further, the second cold-resistant layer is composed of an inner glass wool tube, an intermediate polystyrene foam and an outer glass fiber.
Further, the inner buffer layer and the middle buffer layer are sleeves which are composed of silicon as the inner layer, rubber as the middle layer and glass fiber as the outer layer.
Further, the braided shielding layer is a braided net braided by tinned copper wires.
Further, the outer buffer layer adopts an elastomer sheath layer.
Further, the sleeve adopts a PBT loose sleeve.
Compared with the prior art, the invention has the following advantages:
the cable has the advantages that the structural design is reasonable, the cable core part is tightly covered by the protective layer, the outer water blocking piece and the inner supporting piece are arranged on the cable core part, the optical cable has excellent transverse water blocking and longitudinal water blocking functions, meanwhile, the optical cable is light in weight, the first cold-resistant layer, the second cold-resistant layer, the inner buffer layer, the middle buffer layer and the outer buffer layer which are arranged play a role in multiple protection, the performances of resisting bacteria, mildew, aging and corrosion, protecting environment are good, the moisture absorption performance and heat conductivity are low, the heat insulation performance is strong, the extrusion resistance and the impact resistance are strong, the serious problems of extrusion shrinkage deformation, optical fiber breakage and the like can not occur after the optical cable laid outdoors and the pipeline is frozen, the service life is long, and the signal transmission is stable and reliable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute an undue limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of an optical communication unit in an embodiment of the invention;
FIG. 3 is a schematic view of a hollow center body according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a central body provided with a mounting groove in a central reinforcing support according to an embodiment of the present invention.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
A water-blocking optical cable with high compression resistance and high impact resistance is shown in fig. 1 and 2, and comprises a cable core and a protective layer structure outside the cable core; the protective layer structure comprises a PET tape wrapping layer 1, a woven shielding layer 2, an outer buffer layer 3, an armor layer 4 and an outer sheath layer 5 which are sequentially wrapped from inside to outside; the cable core comprises a central reinforcing support 6 and a plurality of optical communication units 7 which are circumferentially arranged at the periphery of the central reinforcing support, and water blocking pieces 8 are arranged in gaps between two adjacent optical communication units and a PET (polyethylene terephthalate) tape wrapping layer; the optical communication unit comprises a sleeve 9 and a first cold-resistant layer 10 outside the sleeve, wherein a plurality of optical fibers 11 are arranged in the sleeve and filled with fiber paste; an inner buffer layer 12 is arranged on the outer side of the optical fiber, and a PBT loose tube is adopted as the tube. The protective layer structure of the optical cable is reasonable in design, ensures the stability of optical cable signal transmission, and simultaneously, also ensures that the optical cable has the functions of excellent temperature resistance, moisture resistance, compression resistance, animal tooth biting prevention and the like, and completely meets the requirements of communication development on the optical cable.
In order to further improve the cold resistance and cushioning properties, in an alternative embodiment, a second cold resistant layer 13 is provided between the PET tape wrapping layer and the braided shield layer. An intermediate buffer layer 14 is provided between the second cold-resistant layer and the braided shield layer.
The central reinforcing support comprises a central body 15, on the periphery of which a number of inner support bodies 16 are arranged, which in an alternative embodiment are two parts manufactured separately from the central body, which inner support bodies may be manufactured from water-blocking yarns, for example. The central body is made of a material with certain strength and compressibility, such as rubber material. Through the combined structure of the central body and the inner side supporting body, the central body always ensures that the optical cable is resistant to tension and compression and is not easy to damage, and the central body is matched with the inner side supporting body, so that the compression resistance, the tension resistance and the bending resistance of the central part of the optical cable are improved, meanwhile, the optical cable center is enabled to have good waterproof and water-blocking effects, and the influence on the normal operation and the service life of the optical cable caused by water flowing in the optical cable center is avoided.
It should be noted that, because the inner support body is made of water-blocking yarns, and the water-blocking yarns are composed of industrial polyester filaments, high polymer expansion water-absorbing resin and adhesive, that is, even if part of water or moisture enters the center of the optical cable, the inner support body can absorb the water, and after water absorption, the inner support body generates micro expansion, so that the supporting effect of the optical communication unit is better, rather than losing the supporting effect or weakening the supporting effect, therefore, the combination form design of the center body and the inner support body effectively ensures the compression resistance and impact resistance water-blocking performance of the optical cable.
Preferably, as shown in fig. 3, the inside of the central body is of a hollow structure, and a buffer cavity 17 is arranged in the central body, so that when the optical cable is extruded, the central body can bear a certain extrusion acting force (or impact force), and when the load is large, the central body is allowed to generate a certain deformation before the optical communication unit part, so that the purpose of dynamically protecting the optical communication unit is achieved, and the damage of the optical communication unit part can be avoided due to the structural design.
It should be noted that the inner support body is preferably arranged corresponding to the gap between the two optical communication units, so as to ensure that the inner support body (and the water blocking member) is arranged between the two adjacent optical communication units to play a supporting role, and is more beneficial to adsorbing the moisture entering from the two optical communication units according to the different manufacturing processes.
In fact, the inner side supporting body and the water blocking piece play a role of separating the two side optical communication units practically together, gaps between two adjacent optical communication units are guaranteed to serve as deformation buffer gaps, and as the optical fibers in the optical communication units are all arranged at intervals, under the extreme loading condition, displacement is generated along with the whole compression deformation of the optical communication units, certain displacement of the optical fibers is allowed, and the outer sides of the optical fibers are covered with the inner buffer layers.
As a further improvement scheme, the whole rubber material that adopts of center reinforcement support piece makes, and the center body and peripheral inboard support body are integrated into one piece structure, and the wholeness is better, and the guarantee optical cable has better resistance to compression, anti bending capability, and is not fragile. During the preparation, utilize the PET area to wrap up the tight reality of direct parcel of cable core part, produce certain precompression to cable core part, center reinforcement support piece produces better supporting role to the optical communication unit, and ensures that the optical communication unit is in the concave part between two inboard support bodies under the normality, and structural stability is better.
In an alternative embodiment, in order to improve the relative stability of the relationship between the inner support body and the central body in the normal state, as shown in fig. 4, a mounting groove is provided on the outer circumference of the central body corresponding to each inner support body, and a part of the inner support body is embedded in the mounting groove, for example, the part of the inner support body embedded in the mounting groove is 1/7-1/2 of the total cross section area of the inner support body, and when the inner support body is embedded in the mounting groove, a deformation gap 18 is also ensured between the inner support bodies. By adopting the structural design, when the optical cable is subjected to large impact or has large load deviated from the center of the optical cable due to torsion and extrusion force, the inner support body can be allowed to shift, the deformation of the optical communication unit is compensated by using the space position, and the damage probability of the optical communication unit is greatly reduced.
The first cold-resistant layer is made of nano ceramic microbead materials, and has the advantages of light weight, low density, good chemical stability and excellent heat preservation and insulation effects. The outer buffer layer adopts the elastomer sheath layer, so that the optical cable has higher mechanical strength and high rebound resilience, the optical cable is not easy to deform, and the optical cable has outstanding compression resistance and impact resistance.
In an alternative embodiment, the second cold-resistant layer is composed of an inner glass wool tube, an intermediate polystyrene foam, and an outer glass fiber. In general, the glass wool pipe is formed by adopting a centrifugal technology to make molten glass fiber and adding an environment-friendly formula binder mainly comprising thermosetting resin, the outer glass limiting layer improves the mechanical property, the inner cable core is protected, and the polystyrene foam layer arranged in the middle can effectively insulate heat. The second cold-resistant layer is light in weight, antibacterial, mildew-proof, ageing-resistant, corrosion-resistant, good in environmental protection performance, and has the A1-level fireproof performance, permanent incombustibility, low hygroscopicity, low heat conductivity, strong heat preservation performance, extrusion resistance, strong impact resistance and other performances, and after the pipeline or the groove is frozen, the serious problems of extrusion shrinkage deformation, optical fiber fracture and the like of the optical cable can not occur.
In an alternative embodiment, the inner buffer layer and the intermediate buffer layer are sleeves each composed of an inner layer of silicon, an intermediate layer of rubber, and an outer layer of glass fiber. Preferably, the rubber is nitrile rubber, and the buffer layer prepared from the nitrile rubber has good compression resistance and impact resistance, high structural strength, and greatly improves the safety and reliability and the service life of the optical cable.
Generally, the braided shield is a braided mesh braided with tin-plated copper wires. By way of example, the braided shield is a braided mesh braided with tin-plated copper wires having a diameter of not less than 0.1mm, and the braid tightness is not less than 90%. The braided shielding layer replaces the traditional comprehensive sheath shielding layer, the processing equipment and the processing technology are relatively simple, and the braided shielding layer is tension-resistant, soft and flexible.
When the optical cable provided by the invention is manufactured, a plurality of optical fibers coated with the inner buffer layer sequentially pass through the flat cable plate and enter the plastic extruding machine die, then the plastic sleeving and filling process is adopted to finish the manufacture of the fiber paste filling and the PBT sleeve at one time, and the manufacture of the optical communication unit is finished after the PBT sleeve is coated with a first cold-resistant layer.
According to the requirements, the reinforcement, the manufactured optical communication units and the water blocking yarns are twisted by adopting a cabling and filling process, the outer sides of the twisted optical communication units are coated with PET belts by adopting a wrapping process, then a shielding layer is woven outside the PET belts by adopting a high-speed braiding machine, an outer buffer layer is coated outside the woven shielding layer by adopting an extrusion molding process, and then an armor layer and an outer sheath are sequentially coated outside the outer buffer layer, so that the compression-resistant impact-resistant cold-resistant communication optical cable is manufactured. The second cold-resistant layer and the middle buffer layer can be coated on the outer side of the PET belt wrapping layer according to requirements, so that cold resistance and buffer performance are further improved.
The cable has the advantages that the structural design is reasonable, the cable core part is tightly covered by the protective layer, the outer water blocking piece and the inner supporting piece are arranged on the cable core part, the optical cable has excellent transverse water blocking and longitudinal water blocking functions, meanwhile, the optical cable is light in weight, the first cold-resistant layer, the second cold-resistant layer, the inner buffer layer, the middle buffer layer and the outer buffer layer which are arranged play a role in multiple protection, the performances of resisting bacteria, mildew, aging and corrosion, protecting environment are good, the moisture absorption performance and heat conductivity are low, the heat insulation performance is strong, the extrusion resistance and the impact resistance are strong, the serious problems of extrusion shrinkage deformation, optical fiber breakage and the like can not occur after the optical cable laid outdoors and the pipeline is frozen, the service life is long, and the signal transmission is stable and reliable.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A water-blocking optical cable with high compression resistance and high impact resistance is characterized in that: the cable comprises a cable core and a protective layer structure outside the cable core; the protective layer structure comprises a PET (polyethylene terephthalate) tape wrapping layer, a woven shielding layer, an outer buffer layer, an armor layer and an outer sheath layer which are sequentially wrapped from inside to outside;
the cable core comprises a central reinforcing support piece and a plurality of optical communication units which are circumferentially arranged on the periphery of the central reinforcing support piece, and an outer water blocking piece is arranged in a gap between two adjacent optical communication units and a PET (polyethylene terephthalate) tape wrapping layer;
the optical communication unit comprises a sleeve and a first cold-resistant layer outside the sleeve, wherein a plurality of optical fibers are arranged in the sleeve and filled with fiber paste; an inner buffer layer is arranged on the outer side of the optical fiber;
the central reinforcing support piece comprises a central body, and a plurality of inner side support bodies are arranged on the periphery of the central body; the central body and the inner side support body are of a combined structure, the central body is of a hollow structure, a buffer cavity is arranged in the central body, the inner side support body is made of water-blocking yarns, the central body is made of a material with compressibility, when an optical cable is stressed, the central body is loaded, and when the load is large, the central body is allowed to deform before an optical communication unit, so that a dynamic protection effect is achieved;
and the outer circumference of the center body is provided with a mounting groove corresponding to each inner side support body, part of the inner side support body is embedded into the mounting groove, the part of the inner side support body embedded into the mounting groove is 1/7-1/2 of the total cross section area of the inner side support body, and deformation gaps are reserved among the inner side support bodies.
2. The high pressure and impact resistant water resistant optical cable of claim 1, wherein: and a second cold-resistant layer is arranged between the PET belt wrapping layer and the woven shielding layer.
3. The high pressure and impact resistant water resistant optical cable according to claim 2, wherein: an intermediate buffer layer is arranged between the second cold-resistant layer and the woven shielding layer.
4. The high pressure and impact resistant water resistant optical cable of claim 1, wherein: the first cold-resistant layer is made of nano ceramic microbead materials.
5. The high pressure and impact resistant water resistant optical cable according to claim 2, wherein: the second cold-resistant layer is composed of an inner glass cotton pipe, an intermediate polystyrene foam plastic and an outer glass fiber.
6. The high pressure and impact resistant water resistant optical cable of claim 1, wherein: the inner buffer layer is a sleeve consisting of an inner layer made of silicon, an intermediate layer made of rubber and an outer layer made of glass fiber.
7. The high pressure and impact resistant water resistant optical cable of claim 1, wherein: the braided shielding layer is a braided net braided by tinned copper wires.
8. The high pressure and impact resistant water resistant optical cable of claim 1, wherein: the outer buffer layer adopts an elastomer sheath layer.
9. The high pressure and impact resistant water resistant optical cable of claim 1, wherein: the sleeve is a PBT loose sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110600472.0A CN113504617B (en) | 2021-05-31 | 2021-05-31 | Water-blocking optical cable with high compression resistance and high impact resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110600472.0A CN113504617B (en) | 2021-05-31 | 2021-05-31 | Water-blocking optical cable with high compression resistance and high impact resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113504617A CN113504617A (en) | 2021-10-15 |
| CN113504617B true CN113504617B (en) | 2023-08-22 |
Family
ID=78008903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110600472.0A Active CN113504617B (en) | 2021-05-31 | 2021-05-31 | Water-blocking optical cable with high compression resistance and high impact resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113504617B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114488444B (en) * | 2022-01-28 | 2023-09-15 | 富通集团有限公司 | Shock-resistant optical cable |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2516830A1 (en) * | 1975-04-15 | 1976-10-28 | Aeg Telefunken Kabelwerke | Cable corded into quads on central insulator - has exposed conductors embedded in longitudinal recesses in central support strand |
| US5542020A (en) * | 1994-06-10 | 1996-07-30 | Commscope, Inc. | Fiber optic cable having extended contraction window and associated method and apparatus for fabricating the cable |
| CN203260403U (en) * | 2013-05-13 | 2013-10-30 | 沈阳亨通光通信有限公司 | Termiteproof photoelectric mixing cable |
| CN103472548A (en) * | 2013-08-29 | 2013-12-25 | 北京亨通斯博通讯科技有限公司 | High-reliability communication optical cable |
| CN203720423U (en) * | 2014-03-09 | 2014-07-16 | 北京亨通斯博通讯科技有限公司 | Optical fiber cable applied to bottom of rainwater pipe |
| CN204009179U (en) * | 2014-08-26 | 2014-12-10 | 北京鸿讯基业通信设备检测有限公司 | A kind of ruggedized fiber optic cable |
| CN104269209A (en) * | 2014-10-20 | 2015-01-07 | 安徽天龙电器线缆集团有限公司 | Photoelectric combined composite cable and manufacturing process thereof |
| CN104282389A (en) * | 2014-10-20 | 2015-01-14 | 宁夏信友通信监理咨询有限责任公司 | Communication cable for pipeline |
| CN105679448A (en) * | 2016-04-29 | 2016-06-15 | 张敬敏 | High-voltage cable capable of changing color when live and preparation method thereof |
| CN105845241A (en) * | 2016-04-27 | 2016-08-10 | 江苏通鼎光电科技有限公司 | Cold-resistant railway figure signal cable |
| CN106154473A (en) * | 2016-09-21 | 2016-11-23 | 太仓市晨洲塑业有限公司 | A kind of buffer-type optical cable protective tube |
| CN106199883A (en) * | 2016-09-21 | 2016-12-07 | 太仓市晨洲塑业有限公司 | A kind of low-temperature resistance type optical cable protective tube |
| CN106847401A (en) * | 2017-02-22 | 2017-06-13 | 江苏通鼎光电科技有限公司 | A kind of resistance to compression shock resistance type railway digital signal cable |
| CN107499324A (en) * | 2017-09-12 | 2017-12-22 | 滁州远方车船装备工程有限公司 | Ventilative mineral wool cold-proof materials of a kind of damping and preparation method thereof |
| CN110491591A (en) * | 2019-08-21 | 2019-11-22 | 江苏瑞扬线缆有限公司 | A kind of high-insulativity aerial cable with double insulating layer |
| CN110764207A (en) * | 2019-11-13 | 2020-02-07 | 江苏亨通光电股份有限公司 | Novel water-blocking full-dry optical cable structure and preparation method thereof |
| CN111538126A (en) * | 2020-06-01 | 2020-08-14 | 杭州富通通信技术股份有限公司 | Resistance to compression optical cable |
| CN211955930U (en) * | 2020-05-20 | 2020-11-17 | 杭州燕青科技有限公司 | Multimode shielding optical cable |
| CN212056183U (en) * | 2020-04-01 | 2020-12-01 | 南安市品龙新材料科技有限公司 | PVC tubular product with good cold-resistant effect |
| CN112198604A (en) * | 2020-09-11 | 2021-01-08 | 铜陵市铜都特种线缆有限公司 | Bundled armored optical cable and preparation method thereof |
| CN112578512A (en) * | 2019-09-27 | 2021-03-30 | 通鼎互联信息股份有限公司 | Fire-resistant communication optical cable |
-
2021
- 2021-05-31 CN CN202110600472.0A patent/CN113504617B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2516830A1 (en) * | 1975-04-15 | 1976-10-28 | Aeg Telefunken Kabelwerke | Cable corded into quads on central insulator - has exposed conductors embedded in longitudinal recesses in central support strand |
| US5542020A (en) * | 1994-06-10 | 1996-07-30 | Commscope, Inc. | Fiber optic cable having extended contraction window and associated method and apparatus for fabricating the cable |
| CN203260403U (en) * | 2013-05-13 | 2013-10-30 | 沈阳亨通光通信有限公司 | Termiteproof photoelectric mixing cable |
| CN103472548A (en) * | 2013-08-29 | 2013-12-25 | 北京亨通斯博通讯科技有限公司 | High-reliability communication optical cable |
| CN203720423U (en) * | 2014-03-09 | 2014-07-16 | 北京亨通斯博通讯科技有限公司 | Optical fiber cable applied to bottom of rainwater pipe |
| CN204009179U (en) * | 2014-08-26 | 2014-12-10 | 北京鸿讯基业通信设备检测有限公司 | A kind of ruggedized fiber optic cable |
| CN104269209A (en) * | 2014-10-20 | 2015-01-07 | 安徽天龙电器线缆集团有限公司 | Photoelectric combined composite cable and manufacturing process thereof |
| CN104282389A (en) * | 2014-10-20 | 2015-01-14 | 宁夏信友通信监理咨询有限责任公司 | Communication cable for pipeline |
| CN105845241A (en) * | 2016-04-27 | 2016-08-10 | 江苏通鼎光电科技有限公司 | Cold-resistant railway figure signal cable |
| CN105679448A (en) * | 2016-04-29 | 2016-06-15 | 张敬敏 | High-voltage cable capable of changing color when live and preparation method thereof |
| CN106154473A (en) * | 2016-09-21 | 2016-11-23 | 太仓市晨洲塑业有限公司 | A kind of buffer-type optical cable protective tube |
| CN106199883A (en) * | 2016-09-21 | 2016-12-07 | 太仓市晨洲塑业有限公司 | A kind of low-temperature resistance type optical cable protective tube |
| CN106847401A (en) * | 2017-02-22 | 2017-06-13 | 江苏通鼎光电科技有限公司 | A kind of resistance to compression shock resistance type railway digital signal cable |
| CN107499324A (en) * | 2017-09-12 | 2017-12-22 | 滁州远方车船装备工程有限公司 | Ventilative mineral wool cold-proof materials of a kind of damping and preparation method thereof |
| CN110491591A (en) * | 2019-08-21 | 2019-11-22 | 江苏瑞扬线缆有限公司 | A kind of high-insulativity aerial cable with double insulating layer |
| CN112578512A (en) * | 2019-09-27 | 2021-03-30 | 通鼎互联信息股份有限公司 | Fire-resistant communication optical cable |
| CN110764207A (en) * | 2019-11-13 | 2020-02-07 | 江苏亨通光电股份有限公司 | Novel water-blocking full-dry optical cable structure and preparation method thereof |
| CN212056183U (en) * | 2020-04-01 | 2020-12-01 | 南安市品龙新材料科技有限公司 | PVC tubular product with good cold-resistant effect |
| CN211955930U (en) * | 2020-05-20 | 2020-11-17 | 杭州燕青科技有限公司 | Multimode shielding optical cable |
| CN111538126A (en) * | 2020-06-01 | 2020-08-14 | 杭州富通通信技术股份有限公司 | Resistance to compression optical cable |
| CN112198604A (en) * | 2020-09-11 | 2021-01-08 | 铜陵市铜都特种线缆有限公司 | Bundled armored optical cable and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113504617A (en) | 2021-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101261320B1 (en) | Optical electrical hybrid cable | |
| CN107422435B (en) | Ultra-soft temperature-resistant bulletproof optical cable | |
| CN203422510U (en) | High reliability communication optical cable | |
| CN201732191U (en) | Flexible type fully-armored waterproof tail cable | |
| KR20140070971A (en) | Optical fiber cable and optical electrical composition cable comprising the same | |
| CN206479689U (en) | The dual-purpose optical cable of LA light armor indoor and outdoor | |
| US6751383B2 (en) | Loose tube optical ribbon cable | |
| CN111830653A (en) | Optical cable of special-shaped filling rope | |
| CN221485670U (en) | Compression-resistant torsion-resistant ribbon optical cable | |
| KR101067698B1 (en) | Optical electrical composition cable | |
| CN113504617B (en) | Water-blocking optical cable with high compression resistance and high impact resistance | |
| KR101124895B1 (en) | Optical fiber cable with improved waterproof confidence | |
| CN111856671A (en) | Water-blocking high-temperature-resistant irradiation-resistant multi-core optical cable and preparation method thereof | |
| CN210090757U (en) | Tight-jacketed optical cable | |
| US10641982B1 (en) | Dual layer micro optical fiber cable | |
| CN113488256A (en) | Salt corrosion resistant and torsion resistant control cable | |
| WO2024212669A1 (en) | Fully dry optical cable having optical fiber ribbons | |
| CN215813466U (en) | Compression-resistant impact-resistant cold-resistant communication optical cable | |
| CN215769138U (en) | High-strength communication optical cable adapting to severe environment | |
| CN104332246A (en) | Shielding-preventive and moisture-proof data cable | |
| CN215769136U (en) | Communication optical cable with excellent water resistance | |
| CN210090752U (en) | Micro-bending resistant metal tube optical cable | |
| CN221239105U (en) | 8-Shaped self-supporting special optical cable | |
| CN217739568U (en) | Resistance to compression optical cable | |
| CN118502052B (en) | Nonmetallic layer stranded optical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |