CN203870305U - Elliptical indoor wiring optical cable - Google Patents
Elliptical indoor wiring optical cable Download PDFInfo
- Publication number
- CN203870305U CN203870305U CN201420229684.8U CN201420229684U CN203870305U CN 203870305 U CN203870305 U CN 203870305U CN 201420229684 U CN201420229684 U CN 201420229684U CN 203870305 U CN203870305 U CN 203870305U
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- optical cable
- oval
- stiffener
- fiber
- house wiring
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Abstract
The utility model discloses an elliptical indoor wiring optical cable comprising a flame-retardant sheath, a reinforcing member and at least one pair of tight-buffered optical fibers, wherein the reinforcing member and the tight-buffered optical fibers are arranged inside the flame-retardant sheath. The flame-retardant sheath is formed by arranging a pair of symmetrically-distributed 'V'-shaped stripping openings along the axial direction of an elliptical sheath. The reinforcing member and the at least one pair of tight-buffered optical fibers are arranged inside the flame-retardant sheath directly, or arranged inside the flame-retardant sheath after being coated with a reinforcing layer. The compression and impact resistance properties of the optical cable structure are improved. The adoption of the symmetrical stripping openings enables a cable to be conveniently taken out of the openings and connected with related equipment and instruments. The optical cable has the function of double rodent animal harassment prevention. The novel optical cable is resistant to impact and side pressure, easy to strip, beautiful in laying effect, and high in practicability.
Description
Technical field
The utility model belongs to house wiring with optical cable manufacturing technology field, relates to a kind of house wiring, indoor communication Instrument equipment room optical signal transmission optical cable.
Background technology
In recent years, the policy support to " broadband China " strategy along with country and relevant departments, it is fast-developing that Fiber to the home.And, because the transmission frequency bandwidth of optical fiber, message capacity are large, the characteristic such as little that decays, house wiring is increased sharply by the use amount of optical cable.Current normally used inside cable structure is comparatively simple, mainly tight tube fiber and the sheath being coated on outside tight tube fiber, consist of, but the mechanical property of this optical cable is poor, in use easily causes optical fiber attenuation to increase, even the situation of fibercuts.
At present, in the research and development of indoor optical cable, grant number is that CN202204976U, name are called double-core oblate indoor optical cable at home, is to adopt two tight tube fiber outer cladding aramid yarn enhancement Layers and sheath to form; The compressive property of this optical cable is poor, high to the accuracy requirement of sheath extruded mould, and it is complicated to open car process while producing, waste man-hour.Grant number is that CN202204970U, name are called Bunchiness indoor optical cable, is the restrictive coating formation that adopts some tight tube fibers and be coated on tight tube fiber surface; The compressive property of this optical cable is poor, and larger external diameter affects the aesthetic of house wiring, and larger external diameter makes the influence of fading of the different tight tube fibers of corner different; And these inside cables are not all taked any preventive measure against rats.
Utility model content
The purpose of this utility model is to provide a kind of oval house wiring optical fiber cable, has solved problems of the prior art.
The purpose of this utility model realizes by following technical proposals.
A kind of oval house wiring optical cable, comprise fire retardant jacket, and be arranged at the stiffener of described fire retardant jacket inside and at least one pair of tight tube fiber, described fire retardant jacket is peeled off mouth for axially have a pair of symmetrical " V " font along it on oval sheath, described stiffener and at least one pair of tight tube fiber are directly arranged in fire retardant jacket, or are located in fire retardant jacket after being coated by enhancement Layer.
Further, described " V " font is peeled off the most advanced and sophisticated corresponding inner tight tube fiber of fire retardant jacket that points to of mouthful V font tearing port; The degree of depth that described " V " font is peeled off mouth is 0.5mm-0.9mm.
Further, the minor axis jacket thickness of described oval sheath and the ratio of major axis jacket thickness are 0.67 ± 0.1.
Further, in described oval sheath, minor axis center correspondence arranges stiffener; Described stiffener is metal stiffener or non-metallic stiffener; Described non-metallic stiffener is fiberglass-reinforced plastic lever, aramid fiber reinforced plastic bar or Basalt fiber reinforced plastic bar; Described metal stiffener is phosphatization steel wire or coppered steel wire.
Further, described tight tube fiber comprises coat, cushion and the coating being coated on successively from the inside to the outside on optical fiber.
Further, described optical fiber is single-mode fiber, or is multimode optical fiber.
Further, described coat is ultraviolet light polymerization pigmentary resin material.
Further, described cushion is Polyvinylchloride, polyurethane, low smoke halogen-free flame-retardant polyolefin or flame-proof polyethylene.
Further, described coating adopts nylon material or imitative nylon material.
Further, described enhancement Layer is glass fiber yarn or is metal compound belt; Described glass fiber yarn is directly placed or is wrapped around tight tube fiber and stiffener; The vertical bag of described metal compound belt or wrapped around tight tube fiber and stiffener.
The utlity model has following feature:
1, house wiring mostly is nonmetal yarn bundle class with the stiffener of optical cable, and the loose outside that is coated on tight tube fiber, mainly plays the performance of tension; Optical cable inside without any supportive stiffener, be easy to make optical cable be subject to impacting and ambient pressure effect under impaired, affect normal signal and transmit.Oval house wiring optical cable newly developed, along parallel and tight tube fiber direction, in the middle of sheath inner fiber symmetry, place a stiffener, and the position that the short-and-medium aixs cylinder of oval sheath goes out is over against this stiffener, this structure is keeping under the condition of existing house wiring optical fiber cable tensile property, the performance that has possessed shock resistance and anti-collapse, and first make impulsive force and flat pressure that optical cable bears all be applied on stiffener, guarantee that the equally distributed optical fiber in stiffener both sides is not subject to compared with macrolesion.
2, current inside cable is not taked corresponding safeguard procedures mostly, makes house wiring with optical cable, often be subject to the harassment of rodent, brings huge constant and corresponding economic loss to the information communication of network of relation.Oval house wiring optical cable newly developed, tight tube fiber coating adopts nylon material, and the nylon material of high-modulus can play the effect of mouse bite preventing; Tightly overlapping filled glass fiber yarn between coating and cable jacket, glass fiber yarn not only has the effect of mouse bite preventing, can also improve the tensile property of optical cable, and has certain buffering effect aspect shock resistance simultaneously.
3, house wiring is mostly circular configuration or flat structure with cable configuration; due to such optical cable be close to sheath inner side without any armor protection; and optical cable itself is soft so; conventionally when divesting sheath taking-up optical fiber with cutter; be easy to make optical fiber tight sleeve layer impaired; even damage optical fiber, and also may injure staff when divesting sheath.Oval house wiring optical cable newly developed, all sets up " V " font and peels off mouth at the two ends of transverse symmetric position, this peels off mouthful tight tube fiber over against sheath inside, makes the taking-up operating process of optical fiber simple and convenient; And the place that need to carry out span centre access at house wiring, can easily optical fiber be taken out and is connected with relevant device instrument.
4, house wiring all adopts tight tube fiber structure with optical cable, and in the peripheral non-metallic stiffener of filling of tight tube fiber, finally extrudes protective cover material and form; The cable core of this structure and sheath be conventionally in released state, the integrally-built poor stability of optical cable, and dragging, dragging in wiring process all likely makes certain root tight tube fiber stressed, causes whole multicore wiring optical cable to be scrapped, and causes certain economic loss.Oval house wiring optical cable newly developed, can be embedded into tight tube fiber and stiffener in cable jacket according to environment on probation and customer requirement, forms stable, a compact cable configuration, guarantees that optical cable laying and use procedure performance are stable.
The beneficial effects of the utility model are:
1, oval house wiring optical cable newly developed, in elliptical center position, place a stiffener, this structure is keeping under the condition of existing house wiring optical fiber cable tensile property, the performance that has possessed shock resistance and anti-collapse, and first make impulsive force and flat pressure that optical cable bears all be applied on stiffener, guarantee the equally distributed optical fiber in stiffener both sides avoid damage.
2, oval house wiring optical cable newly developed, tight tube fiber coating adopts nylon material, tightly overlapping filled glass fiber yarn material between coating and cable jacket simultaneously, the thorn effect of the hardness that nylon material is higher and glass fiber yarn, play the function that double-deck anti-rodent is harassed, guaranteed the normal use of inside cable.
3, oval house wiring optical cable newly developed, all sets up " V " font and peels off mouth at the two ends of transverse symmetric position, this peels off mouthful tight tube fiber over against sheath inside, makes the taking-up operating process of optical fiber simple and convenient; And the place that need to carry out span centre access at house wiring, can easily optical fiber be taken out and is connected with relevant device instrument, improved the easy peel property of indoor optical cable.
4, oval house wiring optical cable newly developed, developed a kind of inside cable of damascene structures, be about to tight tube fiber and stiffener and be embedded in cable jacket, form stable, a compact cable configuration, guarantee that optical cable lays with use procedure performance in particular surroundings stable.
5, oval house wiring optical cable newly developed, total Cable Core Number can be 2 cores, 4 cores, 6 cores, 8 cores, 10 cores and 12 cores, meets the user demand of various wirings occasion.
Accompanying drawing explanation
Fig. 1 is a kind of oval house wiring optical fiber cable structural representation (2 core)
Fig. 2 is a kind of oval house wiring optical fiber cable structural representation (4 core);
Fig. 3 is a kind of oval house wiring optical fiber cable structural representation (2 cores-embedded).
Fig. 4 is a kind of oval house wiring optical fiber cable structural representation (4 cores-embedded).
Fig. 5 is tight tube fiber structural representation.
In figure: 1, fire retardant jacket; 2, " V " font is peeled off mouth; 3, tight tube fiber; 4, stiffener; 5, enhancement Layer; 6, cushion; 7, optical fiber; 8, coat; 9, coating.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment 1:
As shown in Figure 1, a kind of oval house wiring optical cable, consists of a stiffener 4, two tight tube fibers 3, enhancement Layer 5 and fire retardant jackets 1.Be arranged in the stiffener 4 of described fire retardant jacket 1 inside and have a pair of tight tube fiber 3, fire retardant jacket 1 is peeled off mouth 2 for axially have a pair of symmetrical " V " font along it on oval sheath, after stiffener 4 and a pair of tight tube fiber 3 are coated by enhancement Layer 5, is located in fire retardant jacket 1.
Wherein, " V " font is peeled off the most advanced and sophisticated corresponding inner tight tube fiber 3 of fire retardant jacket 1 that points to of mouthful 2V font tearing port; The degree of depth that " V " font is peeled off mouth 2 is 0.5mm-0.9mm.
Stiffener 4 can be metal stiffener or non-metallic stiffener; Non-metallic stiffener is fiberglass-reinforced plastic lever, aramid fiber reinforced plastic bar, Basalt fiber reinforced plastic bar; Metal stiffener is phosphatization steel wire, coppered steel wire; The external diameter of stiffener is 0.9mm ± 0.1mm.
Wherein, side by side, and stiffener 4 is in the centre of tight tube fiber 3 for stiffener 4 and tight tube fiber 3.
As shown in Figure 5, tight tube fiber 3 comprises coat 8, cushion 6 and the coating 9 being coated on successively from the inside to the outside on optical fiber 7.Tight tube fiber external diameter is 0.9mm ± 0.1mm.
Wherein, optical fiber 7 can be single-mode fiber, also can be multimode optical fiber.Coat 8 is ultraviolet light polymerization pigmentary resin material.Cushion 6 can be Polyvinylchloride, polyurethane, low smoke halogen-free flame-retardant polyolefin or flame-proof polyethylene.Coating 9 is nylon material or imitative nylon material.Enhancement Layer 5 can be glass fiber yarn, also can be metal compound belt; Glass fiber yarn is directly put or is wrapped around tight tube fiber 3 and stiffener 4; The vertical bag of metal compound belt or wrapped around tight tube fiber 3 and stiffener 4.
Wherein, fire retardant jacket 1 is ellipsoidal structure, has two " V " fonts peel off mouth 2 at the major axis two ends of oval jacket structure; Wherein to peel off mouthfuls 2 minimum-depth be 0.5mm to " V " font, and depth capacity is 0.9mm.The major axis of oval sheath is 6.5mm ± 0.1mm, and minor axis is 3.5mm ± 0.1mm structure.
Embodiment 2:
As shown in Figure 2, embodiment 2 is substantially the same manner as Example 1, and difference is:
Wherein, tight tube fiber 3 is 4, and symmetrical reinforcement 4 both sides that are distributed in side by side.
Wherein, the major axis of oval sheath is 10.7mm ± 0.1mm, and minor axis is 5.1mm ± 0.1mm structure.
Embodiment 3:
As shown in Figure 3, embodiment 3 is substantially the same manner as Example 1, and difference is:
In described structure, do not contain enhancement Layer 5, total is embedded in the sheath 1 with two " V " rims of the mouth 2 by stiffener 4, tight tube fiber 3, forms a stable one-piece construction.
Embodiment 4:
As shown in Figure 4, embodiment 4 is substantially the same manner as Example 2, and difference is:
In described structure, do not contain enhancement Layer 5, total is embedded in the fire retardant jacket 1 with two " V " rims of the mouth 2 by stiffener 4, tight tube fiber 3, forms a stable one-piece construction.
For the oval house wiring optical cable of 6 cores, 8 cores, 10 cores and 12 cores, the minor axis jacket thickness of oval sheath and the ratio of major axis jacket thickness are 0.67 ± 0.1, can meet the resistance to compression demand of cable configuration under this ratio.
This structure is compared with existing house wiring optical fiber cable:
(1) optical cable adopts elliptical sectional structure, and places a supportive stiffener at the center of ellipsoidal structure, has improved resistance to compression and the impact property of cable configuration; And this optical cable is more attractive in appearance than the structure of the circular house wiring optical fiber cable of large core number when indoor open-wire line lays.
(2) in this elliptical sectional structure, adopt the symmetrical mouth of peeling off, this peels off mouthful tight tube fiber over against sheath inside, after stripping, be easy to the taking-up of tight tube fiber, and at house wiring, need to carry out the place of span centre access, can facilitate opening that optical fiber is taken out and is connected with relevant device instrument.
(3) this ellipse house wiring optical cable, adopts nylon material and glass fibre yarn material, has played the function that double-deck anti-rodent is harassed, and guarantees the normal use of inside cable.
(4) this ellipse house wiring damascene structures optical cable, Stability Analysis of Structures, compactness lay process performance stable in particular surroundings.
(5) this ellipse house wiring optical cable, mature production technology, skilled operation, only needing to improve mould structure can realize easily.
By cable configuration, improve, design and develop out a kind of oval house wiring optical cable.From the angle of technology, release shock resistance, lateral pressure resistant, easy stripping, lay attractive in appearance, the practical Novel optical cable of effect.
The foregoing is only a kind of embodiment of the present utility model, it not whole or unique embodiment, the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model instructions, is claim of the present utility model and contains.
Claims (10)
1. an oval house wiring optical cable, comprise fire retardant jacket (1), and be arranged at described fire retardant jacket (1) inner stiffener (4) and at least one pair of tight tube fiber (3), it is characterized in that, described fire retardant jacket (1) is peeled off mouthful (2) for axially have a pair of symmetrical " V " font along it on oval sheath, described stiffener (4) and at least one pair of tight tube fiber (3) are directly arranged in fire retardant jacket (1), or are located in fire retardant jacket (1) after coated by enhancement Layer (5).
2. a kind of oval house wiring optical cable according to claim 1, is characterized in that, described " V " font is peeled off the most advanced and sophisticated corresponding inner tight tube fiber of fire retardant jacket (1) (3) that points to of mouthful (2) V font tearing port; The degree of depth that described " V " font is peeled off mouthful (2) is 0.5mm-0.9mm.
3. a kind of oval house wiring optical cable according to claim 1, is characterized in that, the minor axis jacket thickness of described oval sheath and the ratio of major axis jacket thickness are 0.67 ± 0.1.
4. a kind of oval house wiring optical cable according to claim 1, is characterized in that, in described oval sheath, minor axis center correspondence arranges stiffener (4); Described stiffener (4) is metal stiffener or non-metallic stiffener; Described non-metallic stiffener is fiberglass-reinforced plastic lever, aramid fiber reinforced plastic bar or Basalt fiber reinforced plastic bar; Described metal stiffener is phosphatization steel wire or coppered steel wire.
5. a kind of oval house wiring optical cable according to claim 1, it is characterized in that, described tight tube fiber (3) comprises coat (8), cushion (6) and the coating (9) being coated on successively from the inside to the outside on optical fiber (7).
6. a kind of oval house wiring optical cable according to claim 5, is characterized in that, described optical fiber (7) is single-mode fiber, or is multimode optical fiber.
7. a kind of oval house wiring optical cable according to claim 5, is characterized in that, described coat (8) is ultraviolet light polymerization pigmentary resin material.
8. a kind of oval house wiring optical cable according to claim 5, is characterized in that, described cushion (6) is Polyvinylchloride, polyurethane, low smoke halogen-free flame-retardant polyolefin or flame-proof polyethylene.
9. a kind of oval house wiring optical cable according to claim 5, is characterized in that, described coating (9) adopts nylon material or imitative nylon material.
10. a kind of oval house wiring optical cable according to claim 1, is characterized in that, described enhancement Layer (5) is glass fiber yarn or is metal compound belt; Described glass fiber yarn directly place or wrapped at tight tube fiber (3) and stiffener (4) around; The vertical bag of described metal compound belt or wrapped at tight tube fiber (3) and stiffener (4) around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229684.8U CN203870305U (en) | 2014-05-06 | 2014-05-06 | Elliptical indoor wiring optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229684.8U CN203870305U (en) | 2014-05-06 | 2014-05-06 | Elliptical indoor wiring optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870305U true CN203870305U (en) | 2014-10-08 |
Family
ID=51651242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420229684.8U Expired - Fee Related CN203870305U (en) | 2014-05-06 | 2014-05-06 | Elliptical indoor wiring optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870305U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777573A (en) * | 2015-04-29 | 2015-07-15 | 江苏亨通光电股份有限公司 | Butterfly-shaped optical fiber cable capable of being laid invisibly indoors |
| CN112782818A (en) * | 2020-12-24 | 2021-05-11 | 江苏亨通光电股份有限公司 | Easy-to-peel flat branch remote optical cable |
| GB2608254A (en) * | 2020-12-24 | 2022-12-28 | Hengtong Optic Electric Co Ltd | Easy-strip flat-branch long-distance optical cable |
-
2014
- 2014-05-06 CN CN201420229684.8U patent/CN203870305U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777573A (en) * | 2015-04-29 | 2015-07-15 | 江苏亨通光电股份有限公司 | Butterfly-shaped optical fiber cable capable of being laid invisibly indoors |
| CN112782818A (en) * | 2020-12-24 | 2021-05-11 | 江苏亨通光电股份有限公司 | Easy-to-peel flat branch remote optical cable |
| WO2022135030A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏亨通光电股份有限公司 | Easy-strip flat-branch long-distance optical cable |
| GB2608254A (en) * | 2020-12-24 | 2022-12-28 | Hengtong Optic Electric Co Ltd | Easy-strip flat-branch long-distance optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141008 Termination date: 20170506 |