CN220820326U - High-strength optical cable - Google Patents

High-strength optical cable Download PDF

Info

Publication number
CN220820326U
CN220820326U CN202322454958.5U CN202322454958U CN220820326U CN 220820326 U CN220820326 U CN 220820326U CN 202322454958 U CN202322454958 U CN 202322454958U CN 220820326 U CN220820326 U CN 220820326U
Authority
CN
China
Prior art keywords
flame
layer
retardant sheath
optical fiber
optical cable
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
Application number
CN202322454958.5U
Other languages
Chinese (zh)
Inventor
杨花开
陈鑫
喻志玲
吴钧杰
江娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Mingye Optical Fiber Communication Technology Co ltd
Original Assignee
Jiangxi Mingye Optical Fiber Communication Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Mingye Optical Fiber Communication Technology Co ltd filed Critical Jiangxi Mingye Optical Fiber Communication Technology Co ltd
Priority to CN202322454958.5U priority Critical patent/CN220820326U/en
Application granted granted Critical
Publication of CN220820326U publication Critical patent/CN220820326U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a high-strength optical cable, which comprises an optical fiber core and a flame-retardant sheath wrapping the outer layer of the optical fiber core; the reinforcing piece is embedded in the flame-retardant sheath, and a plurality of reinforcing pieces are uniformly arranged around the fiber core at intervals; the flexible layer is coated on the outer layer of the fiber core of the optical fiber and positioned on the inner layer of the flame-retardant sheath; and the waterproof layer is positioned on the outer layer of the flexible layer and the inner layer of the flame-retardant sheath. The reinforcing piece can improve the tensile strength of the whole optical cable, and the plurality of reinforcing pieces are uniformly arranged in a surrounding manner so that the tensile performance of the optical cable is more uniform; the flexible layer has softer performance, can protect the optical fiber core, reduce the abrasion of other layers to the optical fiber core, and improve the bending resistance; the water-blocking reinforcing piece can play a role in isolating and preventing water; the flame-retardant sheath can improve the high temperature resistance of the optical cable; the strength of the optical cable is greatly improved after synthesis, and the service life of the optical cable is prolonged.

Description

High-strength optical cable
Technical Field
The utility model relates to the technical field of optical cables, in particular to a high-strength optical cable.
Background
Fiber optic cable (optical fiber cable) is manufactured to meet optical, mechanical, or environmental performance specifications and is a communications cable assembly that utilizes one or more optical fibers disposed in a covering sheath as a transmission medium and that can be used alone or in groups. The optical cable mainly comprises optical fibers (glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper aluminum and the like are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line for realizing optical signal transmission, wherein a certain number of optical fibers form a cable core in a certain mode, a sheath is covered outside the cable core, and an outer protective layer is covered outside the cable core.
The sheath and the outer protective layer are coated on the outer surface of the optical fiber, so that the wear resistance of the optical cable is mainly enhanced, and the complexity of the environment in real life is greatly reduced, and the optical cable only has the wear resistance which can not meet the use requirement, so that in order to improve the tensile resistance, the water resistance, the bending resistance and the flame retardance of the optical cable, a high-strength optical cable is provided.
Disclosure of utility model
In view of the problems in the prior art, an object of the present utility model is to provide a method of manufacturing a semiconductor device
In order to solve the problems, the utility model adopts the following technical scheme. A high-strength optical cable comprises an optical fiber core and a flame-retardant sheath wrapping the outer layer of the optical fiber core; the reinforcing piece is embedded in the flame-retardant sheath, and a plurality of reinforcing pieces are uniformly arranged around the fiber core at intervals; the flexible layer is coated on the outer layer of the fiber core of the optical fiber and positioned on the inner layer of the flame-retardant sheath; and the waterproof layer is positioned on the outer layer of the flexible layer and the inner layer of the flame-retardant sheath.
Preferably, the reinforcement is KFRP or stranded aramid fiber rod.
Preferably, the flexible layer is a flexible resin material or a delphinidium TPEE material.
Preferably, the flame retardant sheath is made of LSZH material.
Preferably, the water blocking layer reinforcement is a water blocking tape.
Preferably, the wall thickness of the water-resistant layer is 0.4mm.
Preferably, the wall thickness of the flame retardant sheath is 1mm.
Preferably, the reinforcement is formed by twisting 10 aramid yarns.
Preferably, the total outer diameter of the cable is 3.7mm.
Compared with the prior art, the utility model has the beneficial effects that:
The reinforcing piece can improve the tensile strength of the whole optical cable, and the plurality of reinforcing pieces are uniformly arranged in a surrounding manner so that the tensile performance of the optical cable is more uniform; the flexible layer has softer performance, can protect the optical fiber core, reduce the abrasion of other layers to the optical fiber core, and improve the bending resistance; the water-blocking reinforcing piece can play a role in isolating and preventing water; the flame-retardant sheath can improve the high temperature resistance of the optical cable; the strength of the optical cable is greatly improved after synthesis, and the service life of the optical cable is prolonged.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model.
The reference numerals in the figures illustrate:
1. An optical fiber core; 2. a flame retardant sheath; 3. a flexible layer; 4. a water blocking layer; 5. a reinforcement.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, a high-strength optical cable comprises an optical fiber core 1 and a flame-retardant sheath 2 wrapping the outer layer of the optical fiber core 1, wherein the flame-retardant sheath 2 is made of an LSZH material, is low-smoke halogen-free and has flame-retardant performance. Of course, the flame-retardant sheath 2 can also be made of PVC material, and a layer of flame-retardant coating is coated on the surface of the PVC. The LSZH material is obviously better in effect because of scratch of the paint.
The reinforcing member 5 is embedded in the flame-retardant sheath 2, and a plurality of reinforcing members are uniformly arranged around the optical fiber core 1 at intervals. The reinforcing member 5 is a KFRP or stranded aramid fiber rod, and specifically can be formed by stranding 10 aramid fiber yarns. The aramid yarn has special properties of only primordium such as small broken chips, very high tensile modulus, high breaking strength, low breaking elongation, and the like, and can be used as a reinforcing piece 5 of the optical cable to greatly improve the tensile resistance and breaking resistance of the optical cable. In fig. 1 there are only four stiffening elements 5, but it is of course also possible to use two, three, four, five etc. stiffening elements 5 for evenly spaced around the circumference. The even surrounding arrangement of the reinforcing members 5 can improve the uniformity of the tensile and bending resistance of the optical cable.
The flexible layer 3 is coated on the outer layer of the optical fiber core 1 and positioned on the inner layer of the flame-retardant sheath 2, and the flexible layer 3 is made of a flexible resin material or a sea green TPEE material. The flexible material has soft property, and can elastically protect the optical fiber core 1 under the condition that the optical cable is extruded, bent and the like.
The waterproof layer 4 is positioned on the outer layer of the flexible layer 3 and the inner layer of the flame-retardant sheath 2, the waterproof layer 4 reinforcement adopts a waterproof belt, and water-blocking powder, water-blocking yarns, water-blocking ropes and the like can be adopted. Which are active water blocking materials that prevent water from entering the fiber core 1.
Further, the wall thickness of the flame-retardant sheath 2 is 1mm; the wall thickness of the water-resistant layer 4 is 0.4mm; the total outer diameter of the cable was 3.7mm.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (9)

1. A high strength optical cable comprising an optical fiber core (1), characterized in that: the optical fiber also comprises a flame-retardant sheath (2) wrapping the outer layer of the optical fiber core (1); the reinforcing pieces (5) are embedded in the flame-retardant sheath (2) and are uniformly arranged at intervals around the optical fiber cores (1); the flexible layer (3) is coated on the outer layer of the optical fiber core (1) and positioned on the inner layer of the flame-retardant sheath (2); and the waterproof layer (4) is positioned on the outer layer of the flexible layer (3) and the inner layer of the flame-retardant sheath (2).
2. A high strength fiber optic cable according to claim 1, wherein: the reinforcing piece (5) is a KFRP or stranded aramid fiber rod.
3. A high strength fiber optic cable according to claim 1, wherein: the flexible layer (3) is made of flexible resin material or seaweed TPEE material.
4. A high strength fiber optic cable according to claim 1, wherein: the flame-retardant sheath (2) is made of LSZH material.
5. A high strength fiber optic cable according to claim 1, wherein: the water blocking layer (4) reinforcement adopts a water blocking belt.
6. A high strength fiber optic cable according to claim 1, wherein: the wall thickness of the water-resistant layer (4) is 0.4mm.
7. A high strength fiber optic cable according to claim 1, wherein: the wall thickness of the flame-retardant sheath (2) is 1mm.
8. A high strength fiber optic cable according to claim 1, wherein: the reinforcing piece (5) is formed by twisting 10 aramid yarns.
9. A high strength fiber optic cable according to claim 1, wherein: the total outer diameter of the cable was 3.7mm.
CN202322454958.5U 2023-09-11 2023-09-11 High-strength optical cable Active CN220820326U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322454958.5U CN220820326U (en) 2023-09-11 2023-09-11 High-strength optical cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322454958.5U CN220820326U (en) 2023-09-11 2023-09-11 High-strength optical cable

Publications (1)

Publication Number Publication Date
CN220820326U true CN220820326U (en) 2024-04-19

Family

ID=90700137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322454958.5U Active CN220820326U (en) 2023-09-11 2023-09-11 High-strength optical cable

Country Status (1)

Country Link
CN (1) CN220820326U (en)

Similar Documents

Publication Publication Date Title
CA2464933C (en) Compact, hybrid fiber reinforced rods for optical cable reinforcements and method for making same
US4082423A (en) Fiber optics cable strengthening method and means
CN211955930U (en) Multimode shielding optical cable
US20080280051A1 (en) Low cost, high performance, flexible, water-swellable reinforcement for communications cable
KR20100000036A (en) Optical fiber cable
CN211125081U (en) Armored photoelectric composite cable
US5408561A (en) Flexible dielectric fiber optic drop cable
EP3674763A1 (en) Integrated optical cable and manufacturing process therefor
CN215833661U (en) High-tensile-strength low-dispersion optical cable
CN220820326U (en) High-strength optical cable
CN219143170U (en) Stretch-proofing optical cable
CN210572928U (en) Novel field emergency optical cable
KR100559646B1 (en) Small-sized high-count optical fiber drop cable
CN111624718A (en) Phase-stabilized optical cable
CN210323510U (en) Corrosion-resistant tensile loose tube layer stranded optical cable
KR20050008076A (en) Premises optic cable
CN111796373A (en) Optical cable
CN215895056U (en) Durable loose-sleeve layer-stranded optical cable
CN217332940U (en) Layer-stranded 8-shaped self-supporting optical cable
CN215895054U (en) Waterproof durable central beam tube type optical cable
CN220650954U (en) Nonmetal optical cable
CN215813480U (en) High-strength high-flame-retardant flexible indoor optical cable
CN217332939U (en) 8-shaped self-supporting flame-retardant weather-resistant optical cable with central beam tube
CN116609906B (en) Unidirectional stranded microbeam optical cable and manufacturing process thereof
KR20140051538A (en) Tight buffered optical fiber and distribution/break-out cable using the same

Legal Events

Date Code Title Description
GR01 Patent grant