CN213399003U - Double-core flat indoor composite optical cable - Google Patents
Double-core flat indoor composite optical cable Download PDFInfo
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- CN213399003U CN213399003U CN202022831997.9U CN202022831997U CN213399003U CN 213399003 U CN213399003 U CN 213399003U CN 202022831997 U CN202022831997 U CN 202022831997U CN 213399003 U CN213399003 U CN 213399003U
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- optical cable
- outer sheath
- composite optical
- core flat
- tight
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- 230000003287 optical effect Effects 0.000 title claims abstract description 67
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 239000013307 optical fiber Substances 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 27
- 230000002787 reinforcement Effects 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 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 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 4
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 230000006854 communication Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
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- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000001681 protective effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
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- 238000005452 bending Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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- 229920002457 flexible plastic Polymers 0.000 description 1
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- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
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Abstract
The utility model provides a double-core flat indoor composite optical cable, which comprises a flat outer sheath, an elastic protection piece, a character-shaped nonmetal reinforcing piece longitudinally wrapped in the outer sheath and a tightly-sleeved optical fiber unit; wherein, the tight tube optical fiber unit is two, is located the both sides position of the nonmetal reinforcement of font respectively, and tight tube optical fiber unit comprises inner sheath, fiber reinforcement, tight tube layer and the bare fiber of cladding in proper order from outer to interior, and the diameter of the nonmetal reinforcement of font is greater than the diameter of inner sheath. The arrangement of the 8-shaped non-metal reinforcement and the metal reinforcement in the outer jacket of the double-core flat indoor composite optical cable provided by the utility model enables the optical cable to have certain flexibility and stretch-proof capability; the elastic protection pieces on the two sides of the outer sheath enable the optical cable to have certain lateral pressure resistance, the stability of optical cable communication is guaranteed, meanwhile, the optical cable cannot move when being pressed, and the safety and the reliability of the optical cable laid under a carpet are enhanced.
Description
Technical Field
The utility model relates to an optical cable technical field especially relates to an indoor compound optical cable that uses of two core flat.
Background
With the rapid development of the information wave, the optical cable plays an increasingly important role in the communication process, as an important medium for information transmission, the optical cable can be rapidly developed in decades because of its outstanding advantages of wide transmission band, large communication capacity, small attenuation, no electromagnetic interference, etc., but the defect of weak light itself and low mechanical strength requires that the optical cable is formed by sheathing a protective shell on the outer layer so as to provide mechanical protection for the optical cable, and the basic requirement of the protective shell is that: the optical fiber is not broken in the manufacturing, laying and using processes, and the stress is small; the original transmission performance of the optical fiber must be maintained in the manufacturing process, and the transmission performance of the optical fiber must be stable and reliable in the long-term use process.
The indoor double-core optical cable generally used at present is simple in structure and comprises two single-core tight-buffered optical fibers and a sheath layer coated on the surfaces of the single-core tight-buffered optical fibers, the production process of the indoor optical cable is simple, but the mechanical performance of the inner optical cable is poor, the optical fibers are easy to bend or break under strong external pressure, and the transmission of optical signals is broken or interrupted; and the existing double-core optical cable is long in length and inconvenient to fix during installation, so that optical fiber wiring is messy frequently, and the optical fiber cable is inconvenient to disassemble and install.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the defects of the prior art, the double-core flat indoor composite optical cable is provided.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
the utility model provides a double-core flat indoor composite optical cable, which comprises a flat outer sheath, elastic protection pieces arranged at two sides of the outer sheath, a font non-metal reinforcement piece longitudinally coated in the outer sheath and a tight-sleeved optical fiber unit; wherein, tight tube optical fiber unit is two, is located respectively the both sides position of the nonmetal reinforcement of 8 font, just tight tube optical fiber unit comprises inner sheath, fiber reinforcement, tight tube layer and the bare fiber of cladding in proper order from outer to interior, just the diameter of the nonmetal reinforcement of 8 font is greater than the diameter of inner sheath.
Further, on the double-core flat indoor composite optical cable, the central lines of the 8-shaped non-metal reinforcing part and the two inner sheaths are positioned on the same horizontal plane.
Furthermore, on the double-core flat indoor composite optical cable, the left end and the right end of the 8-shaped non-metal reinforcing part are arranged into hollow structures along the longitudinal direction, and metal reinforcing parts penetrate through the hollow structures.
Furthermore, on the double-core flat indoor composite optical cable, two sides of the outer sheath are connected with the elastic protection piece in an adhesion mode through narrow connecting parts.
Furthermore, on the double-core flat indoor composite optical cable, the left side and the right side of the upper end surface and the lower end surface of the outer sheath are respectively provided with a U-shaped groove along the longitudinal direction.
Furthermore, on the double-core flat indoor composite optical cable, a tearing rope is longitudinally wrapped at the position above the 8-shaped nonmetal reinforcing part in the outer sheath.
Further preferably, on the double-core flat indoor composite optical cable, a V-shaped groove is longitudinally formed in the lower end surface of the outer sheath at a position corresponding to the lower part of the 8-shaped non-metal reinforcement.
Further, on the double-core flat indoor composite optical cable, the outer sheath and the inner sheath are made of thermoplastic polyurethane elastomer rubber or low-smoke halogen-free flame-retardant polyolefin.
Furthermore, on the double-core flat indoor composite optical cable, the cross section of the elastic protection piece is of an oval structure with a large inner side and a small outer side, and the elastic protection piece is made of elastic rubber materials.
Furthermore, on the double-core flat indoor composite optical cable, the fiber reinforcement part adopts an aramid yarn reinforcement layer, and the tight sleeve layer adopts a polyimide tight sleeve.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model provides a double-core flat indoor composite optical cable, which is characterized in that two tight-sleeved optical fiber units and an 8-shaped non-metal reinforcing part are arranged in a flat outer sheath, and two metal reinforcing parts are embedded in the 8-shaped non-metal reinforcing part, so that the optical cable has certain flexibility and tensile resistance; the outer sheath and the inner sheath have strong mechanical property and environmental property; the elastic protection pieces on the two sides of the outer sheath enable the optical cable to have certain lateral pressure resistance, the stability of optical cable communication is guaranteed, meanwhile, the optical cable cannot move when being pressed, and the safety and the reliability of the optical cable laid under a carpet are enhanced.
Drawings
FIG. 1 is a schematic perspective view of a dual-core flat indoor composite optical cable according to the present invention;
FIG. 2 is a schematic rear view of the dual-core flat indoor composite optical cable of the present invention;
FIG. 3 is a schematic cross-sectional view of a dual-core flat indoor composite optical cable according to the present invention;
wherein the reference symbols are:
100-composite optical cable, 101-outer sheath, 102-elastic protection piece, 103-8-shaped non-metal reinforcing piece, 104-metal reinforcing piece, 105-inner sheath, 106-fiber reinforcing piece, 107-tight sleeve layer, 108-bare optical fiber, 109-U-shaped groove, 110-tearing rope and 111-V-shaped groove.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
In some embodiments, as shown in fig. 1, 2 and 3, the present embodiment provides a dual-core flat-type indoor composite optical cable, the composite optical cable 100 includes a flat outer sheath 101, elastic protection members 102 disposed on both sides of the outer sheath 101, and a non-metallic 8-shaped strength member 103 and a tight-buffered optical fiber unit longitudinally wrapped in the outer sheath 101. With the elastic protection piece 102 on the two sides of the outer sheath 101, the optical cable has certain lateral pressure resistance, the stability of optical cable communication is guaranteed, meanwhile, the optical cable cannot move when being pressed, and the safety and the reliability of the optical cable laid under a carpet are enhanced.
In one embodiment, as shown in fig. 1, 2 and 3, two tight-buffered optical fiber units are provided, and are respectively located at two sides of the non-metallic reinforcing member 103 in the shape of a figure 8, and each tight-buffered optical fiber unit is composed of an inner jacket 105, a fiber reinforcing member 106, a tight-buffered layer 107 and a bare optical fiber 108 which are sequentially coated from outside to inside, and the bare optical fiber 108 can be tightly coated and protected by the inner jacket 105, the fiber reinforcing member 106 and the tight-buffered layer 107, so that the bare optical fiber 108 is prevented from being damaged by extrusion; and the diameter of the 8-shaped non-metal reinforcement 103 is larger than that of the inner sheath 105, so that the 8-shaped non-metal reinforcement 103 bears most extrusion force, the extrusion force acting on the inner sheath 105 is reduced, and the purpose of protecting the bare optical fiber 108 is achieved, and the arrangement of the outer sheath 101 and the inner sheath 105 enables the optical fiber to have stronger mechanical performance and environmental performance.
In one embodiment, as shown in fig. 1, 2 and 3, two tight-buffered optical fiber units and an 8-shaped non-metallic reinforcing member 103 are disposed in a flat outer sheath 101, the central lines of the 8-shaped non-metallic reinforcing member 103 and the two inner sheaths 105 are located at the same horizontal plane, and the non-metallic reinforcing member 103 is made of a deformable flame-retardant plastic material, so that the optical cable has certain flexibility and stretch resistance; the elastic protection piece 102 is arranged to facilitate laying of indoor optical cables, avoid the problem that the optical cable is prone to shifting, facilitate laying and installation and support large-capacity data transmission.
In one embodiment, as shown in fig. 1, 2 and 3, the left and right ends of the 8-shaped non-metal reinforcement 103 are hollow along the longitudinal direction thereof, a metal reinforcement 104 penetrates through the hollow, the non-metal reinforcement 103 is made of a flexible plastic material to keep the optical cable having a certain bending property, and the metal reinforcement 104 is made of a hard material made of a copper or aluminum alloy material to prevent the optical cable from being excessively bent to damage the bare optical fiber 108.
In one embodiment, as shown in fig. 1, 2 and 3, the two sides of the outer sheath 101 and the elastic protection member 102 are adhesively connected by a narrow connection. The narrow connecting portion is formed by curing an adhesive to fixedly connect the elastic protection member 102 to both side walls of the outer sheath 101. The cross section of the elastic protection member 102 is an oval structure with a large inner side and a small outer side, the elastic protection member is made of elastic rubber materials and has certain pressure resistance, and the elastic protection member 102 can be fixed on the ground along the longitudinal direction of the elastic protection member by pins so as to prevent the optical cable from deviating when being extruded by external force.
In one embodiment, as shown in fig. 1, 2 and 3, U-shaped grooves 109 are respectively formed on the left and right sides of the upper and lower end surfaces of the outer sheath 101 along the longitudinal direction thereof, and the tight-buffered optical fiber units on the left and right sides are conveniently stripped from the outer sheath 101 through the U-shaped grooves 109 formed on the upper and lower surfaces, so that the subsequent splicing is convenient.
In one embodiment, as shown in fig. 1, 2 and 3, if necessary, a tearing rope 110 may be longitudinally wrapped inside the outer sheath 101 at a position above the non-metallic reinforcing member 103 in the shape of a figure 8, and the tearing rope 110 may be made of twisted or untwisted metal wire to tear the outer sheath 101 from the middle along the longitudinal direction thereof. Correspondingly, a V-shaped groove 111 is longitudinally formed in the lower end face of the outer sheath 101, which corresponds to the position below the 8-shaped non-metal reinforcing part 103, and the outer sheath 101 and the 8-shaped non-metal reinforcing part 103 can be torn into two parts through the tearing rope 110 and the V-shaped groove 111, so that the later-stage continuous operation is facilitated.
In one embodiment, the outer sheath 101 and the inner sheath 105 are made of thermoplastic polyurethane elastomer rubber or low-smoke halogen-free flame retardant polyolefin, the flame retardant structure of the sheath greatly improves the flame retardant performance of the optical cable, and the sheath made of the halogen-free material does not emit toxic gas during combustion. The fiber reinforcement 106 adopts an aramid yarn reinforcing layer, and the tight sleeve layer 107 adopts a polyimide tight sleeve, so that the insulating property of the optical cable is greatly improved, and the service life of the optical cable is greatly prolonged.
The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (10)
1. The double-core flat indoor composite optical cable is characterized in that the composite optical cable (100) comprises a flat outer sheath (101), elastic protection pieces (102) arranged on two sides of the outer sheath (101), an 8-shaped non-metal reinforcing piece (103) longitudinally wrapped in the outer sheath (101) and a tight-buffered optical fiber unit; the optical fiber tight-buffered unit comprises two tight-buffered optical fiber units, the two tight-buffered optical fiber units are respectively located on two sides of the 8-shaped nonmetal reinforcing part (103) and are composed of an inner sheath (105), a fiber reinforcing part (106), a tight-buffered layer (107) and a bare optical fiber (108), which are sequentially coated from outside to inside, and the diameter of the 8-shaped nonmetal reinforcing part (103) is larger than that of the inner sheath (105).
2. The dual core flat type indoor composite optical cable according to claim 1, wherein the mid-line points of the 8-shaped non-metal strength member (103) and the two inner sheaths (105) are located at the same horizontal plane.
3. The dual-core flat type indoor composite optical cable according to claim 1, wherein the 8-shaped non-metal reinforcing member (103) has a hollow structure at both left and right ends in a longitudinal direction thereof, and a metal reinforcing member (104) is inserted therein.
4. The dual-core flat type indoor composite optical cable according to claim 1, wherein both sides of the outer sheath (101) and the elastic protection member (102) are adhesively connected by a narrow connection portion.
5. The dual-core flat indoor composite optical cable according to claim 1, wherein the left and right sides of the upper and lower end surfaces of the outer sheath (101) are respectively provided with a U-shaped groove (109) along the longitudinal direction thereof.
6. The dual core flat type indoor composite optical cable as claimed in claim 1, wherein a tearing rope (110) is longitudinally wrapped in the outer sheath (101) at a position above the 8-shaped non-metal reinforcing member (103).
7. The dual-core flat indoor composite optical cable according to claim 6, wherein a V-shaped groove (111) is longitudinally formed at the lower end surface of the outer sheath (101) corresponding to the position below the 8-shaped non-metal reinforcement (103).
8. The dual-core flat indoor composite optical cable according to claim 1, wherein the outer sheath (101) and the inner sheath (105) are made of thermoplastic polyurethane elastomer rubber or low smoke zero halogen flame retardant polyolefin.
9. The dual core flat type indoor composite optical cable as claimed in claim 1, wherein the cross section of the elastic protection member (102) is an oval structure having a large inner side and a small outer side, and is made of an elastic rubber material.
10. The dual core flat type indoor composite optical cable as claimed in claim 1, wherein the fiber reinforcement member (106) is an aramid yarn reinforcement layer, and the tight-buffered layer (107) is a polyimide tight-buffered layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022831997.9U CN213399003U (en) | 2020-11-30 | 2020-11-30 | Double-core flat indoor composite optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022831997.9U CN213399003U (en) | 2020-11-30 | 2020-11-30 | Double-core flat indoor composite optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN213399003U true CN213399003U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022831997.9U Active CN213399003U (en) | 2020-11-30 | 2020-11-30 | Double-core flat indoor composite optical cable |
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| Country | Link |
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| CN (1) | CN213399003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534370A (en) * | 2021-06-16 | 2021-10-22 | 华为技术有限公司 | Optical cable |
-
2020
- 2020-11-30 CN CN202022831997.9U patent/CN213399003U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534370A (en) * | 2021-06-16 | 2021-10-22 | 华为技术有限公司 | Optical cable |
| CN113534370B (en) * | 2021-06-16 | 2022-10-04 | 华为技术有限公司 | Optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dual core flat indoor composite optical cable Effective date of registration: 20230522 Granted publication date: 20210608 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Pudong branch Pledgor: Shanghai Huacheng Photoelectric Technology Co.,Ltd. Registration number: Y2023310000205 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210608 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Pudong branch Pledgor: Shanghai Huacheng Photoelectric Technology Co.,Ltd. Registration number: Y2023310000205 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dual core flat indoor composite optical cable Granted publication date: 20210608 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Pudong branch Pledgor: Shanghai Huacheng Photoelectric Technology Co.,Ltd. Registration number: Y2024310000216 |