CN201075141Y - Novel all-dielectric self-supporting optical cable - Google Patents
Novel all-dielectric self-supporting optical cable Download PDFInfo
- Publication number
- CN201075141Y CN201075141Y CNU2007200389848U CN200720038984U CN201075141Y CN 201075141 Y CN201075141 Y CN 201075141Y CN U2007200389848 U CNU2007200389848 U CN U2007200389848U CN 200720038984 U CN200720038984 U CN 200720038984U CN 201075141 Y CN201075141 Y CN 201075141Y
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- Prior art keywords
- sleeve pipe
- optical cable
- hot melt
- melt adhesive
- novel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 26
- 229920000573 polyethylene Polymers 0.000 claims abstract description 19
- 239000004831 Hot glue Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 14
- 238000005728 strengthening Methods 0.000 claims description 19
- 239000013307 optical fiber Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 2
- 235000011613 Pinus brutia Nutrition 0.000 claims description 2
- 241000018646 Pinus brutia Species 0.000 claims description 2
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 abstract 3
- -1 polyethylene Polymers 0.000 abstract 3
- 239000000945 filler Substances 0.000 abstract 2
- 238000005253 cladding Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to a novel all-dielectric self-supporting optical cable, optical cable from interior to exterior include the center in proper order and strengthen the core, strengthen a plurality of sleeve pipes that the core was twisted mutually and set up and be equipped with optic fibre around the center, with the polyethylene inner sheath of each sleeve pipe cladding in it, the cover is established at the aramid fiber enhancement layer of polyethylene inner sheath periphery, the oversheath of establishing aramid fiber enhancement layer periphery, the clearance intussuseption between polyethylene inner sheath and each sleeve pipe is filled with the filler that blocks water, the filler that blocks water is the hot melt adhesive, and each sleeve pipe passes through the hot melt adhesive and strengthens the core with the center and adhere mutually, the utility model discloses need not prick the yarn, the structure is simpler, simultaneously, because the change of sleeve pipe along with ambient temperature has been restricted in the adhesion of hot melt adhesive to can improve the temperature characteristic of.
Description
Technical field
The utility model relates to a kind of novel All Dielectric self-support that is installed on the ultra-high-tension power transmission line.
Background technology
Existing All Dielectric self-support, promptly ADSS (All Dielectric Self-Supporting) optical cable is normally used for the data transmission communication of Utilities Electric Co., remote on-line monitoring.This optical cable is installed on the ultra-high-tension power transmission line, to stand for a long time the test of High Voltage electrical environment.Therefore the structural stability of this kind optical cable is had relatively high expectations, existing All Dielectric self-support, comprise the center strengthening core from the inside to the outside successively, around the center stranded setting of strengthening core phase SZ and in be provided with a plurality of sleeve pipes of optical fiber, each sleeve pipe is coated on polythene inner in it, the aramid fiber enhancement Layer of the polythene inner periphery that is set in, be set in the oversheath of aramid fiber enhancement Layer periphery, be filled with greasy for preventing water in the gap between polythene inner and each sleeve pipe and in the gap between the optical fiber of each sleeve pipe, prevent that thereby the optical cable impaired water from entering the normal transmission that cable core has influenced optical cable, this kind optical cable is because cable core is filled greasy for preventing water, make that the weight of this optical cable is heavier, and the stranded mode of the stranded employing of each sleeve pipe and central reinforce member SZ, often stranded insecure at the reversal point place, easily loose, make the less stable of optical cable.
Summary of the invention
The utility model purpose is to provide a kind of weight light, stable better and lower-cost All Dielectric self-support in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of novel All Dielectric self-support, described optical cable comprises the center strengthening core from the inside to the outside successively, around the stranded setting of strengthening core phase spiral of described center and in be provided with a plurality of sleeve pipes of optical fiber, described each sleeve pipe is coated on polythene inner in it, be set in the aramid fiber enhancement Layer of described polythene inner periphery, be set in the oversheath of described aramid fiber enhancement Layer periphery, be filled with the filling material that blocks water in the gap between described polythene inner and described each sleeve pipe and in the gap between the optical fiber of described each sleeve pipe, the described filling material that blocks water is a hot melt adhesive, and described each sleeve pipe is bonding by hot melt adhesive and described center strengthening core.
Described sleeve pipe is a kind of in PBT pine sleeve pipe or the gasket for packing.
Described oversheath is a kind of in tygon outer jacket or the anti-electric trace outer jacket.
Because the utilization of technique scheme, the utility model compared with prior art has following advantage: since before stranded with the hot melt adhesive of surface-coated one deck water-swellable of center strengthening core, play the effect that blocks water on the one hand, can make on the other hand on the sleeve pipe center that the is bonded at strengthening core tightly, promptly make and stably be provided with between sleeve pipe and the center strengthening core, and do not need to prick yarn, structure is simpler, not only reduce the external diameter of optical cable, also reduce cost, simultaneously, because hot melt adhesive bonding restricted the variation of sleeve pipe with environment temperature, thereby can improve Temperature Characteristics for Optical Cable greatly, so the applicable wideer temperature range of optical cable.
Description of drawings
Accompanying drawing 1 is the utility model cross sectional representation;
Wherein: 1, center strengthening core 2, sleeve pipe 21, optical fiber 3, polythene inner 4, aramid fiber enhancement Layer 5, oversheath 6, filling material blocks water.
Embodiment
Below in conjunction with accompanying drawing, describe particular content of the present utility model in detail for example:
Be illustrated in figure 1 as a kind of layer stranded full-medium self-support cable, comprise successively from the inside to the outside center strengthening core 1, around the 1 mutually stranded setting of described center strengthening core and in be provided with optical fiber 21 a plurality of sleeve pipes 2, will described each sleeve pipe 2 be coated on its interior polythene inner 3, be set in described polythene inner 3 peripheries aramid fiber enhancement Layer 4, be set in the oversheath 5 of described aramid fiber enhancement Layer 4 peripheries, be filled with the filling material 6 that blocks water in the gap between described polythene inner 3 and described each sleeve pipe 2 and in the gap between the optical fiber of described each sleeve pipe 2.
Wherein, described center strengthening core 1 is a FRP center strengthening core, described each sleeve pipe 2 can adopt PBT sleeve pipe or gasket for packing, sleeve pipe 2 is stranded on the center strengthening core 1 by the mode of one-way spiral strand, the stranded mode of this kind makes on the continuous and stable center that the is stranded in strengthening core 1 of sleeve pipe, there is not commutation in the stranded process, produces and to close use and can not take place loosely, make that the structure of optical cable is more stable.
Aramid fiber enhancement Layer 4 is the main load unit of ADSS optical cable, and has bulletproof ability.Aramid fiber self has the negative temperature thermal expansivity.This aramid fiber enhancement Layer 4 is coated between polythene inner 3 outside surfaces and oversheath 5 inside surfaces, and with oversheath 5 inside surface close adhesion.
When this All Dielectric self-support needs the environment following time of long-time running in the following induced field strength of 12kV/m, the oversheath 5 of optical cable adopts the sheath of common polythene material; When this All Dielectric self-support needs under the environment of long-time running in the following induced field strength of 25kV/m, the oversheath 5 of optical cable adopts anti-electric trace made to form.
The filling material 6 that blocks water adopts hot melt adhesive, it is promptly inflatable that this kind hot melt adhesive is met water, adopt hot melt adhesive that each sleeve pipe 2 is fixed on and to have saved bundle yarn operation on the center strengthening core 1, and make that the structure of this optical cable is simpler, cost also decreases, and simultaneously, each sleeve pipe 2 is because bonding by hot melt adhesive, structure is highly stable, even optical cable is under abominable environment for use as be subjected to influence that wind bad condition such as shakes, waves and do not worry that also element in the optical cable slippage occurs and influences the performance of optical cable.
And, when optical cable is outside impaired when the water intrusion cable core is arranged, blocks cut and guaranteed that cable core is not subjected to the erosion of water thereby hot melt adhesive can expand because hot melt adhesive adopts the hot melt adhesive of water-swellable.Because hot melt adhesive has water-swellable, therefore, needn't be full of this hot melt adhesive fully in the space between polythene inner 3 and each sleeve pipe 2 in addition, therefore make that the weight of this optical cable is also lighter.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (3)
1. novel All Dielectric self-support, described optical cable comprises center strengthening core (1) from the inside to the outside successively, around the stranded setting of described center strengthening core (1) phase spiral and in be provided with a plurality of sleeve pipes (2) of optical fiber (21), described each sleeve pipe (2) is coated on its interior polythene inner (3), be set in the aramid fiber enhancement Layer (4) of described polythene inner (3) periphery, be set in the oversheath (5) of described aramid fiber enhancement Layer (4) periphery, be filled with the filling material that blocks water (6) in the gap between described polythene inner (3) and described each sleeve pipe (2) and in the gap between the optical fiber of described each sleeve pipe (2), it is characterized in that: the described filling material that blocks water (6) is a hot melt adhesive, and described each sleeve pipe (2) is bonding by hot melt adhesive and described center strengthening core (1).
2. a kind of novel All Dielectric self-support according to claim 1 is characterized in that: a kind of in PBT pine sleeve pipe or the gasket for packing of described sleeve pipe (2).
3. a kind of novel All Dielectric self-support according to claim 1 is characterized in that: a kind of in tygon outer jacket or the anti-electric trace outer jacket of described oversheath (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200389848U CN201075141Y (en) | 2007-06-29 | 2007-06-29 | Novel all-dielectric self-supporting optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200389848U CN201075141Y (en) | 2007-06-29 | 2007-06-29 | Novel all-dielectric self-supporting optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201075141Y true CN201075141Y (en) | 2008-06-18 |
Family
ID=39520400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200389848U Expired - Lifetime CN201075141Y (en) | 2007-06-29 | 2007-06-29 | Novel all-dielectric self-supporting optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201075141Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411178A (en) * | 2011-11-25 | 2012-04-11 | 成都亨通光通信有限公司 | All-dielectric self-supporting optical cable |
| CN103389551A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Sealing protection structure inside cable |
| CN107045171A (en) * | 2017-01-20 | 2017-08-15 | 烽火通信科技股份有限公司 | A kind of manufacture method for pricking the automatic chain solution type optical cable of yarn heat |
| CN107422435A (en) * | 2017-06-09 | 2017-12-01 | 南京华信藤仓光通信有限公司 | A kind of shellproof optical cable of super soft heatproof and its production method |
| CN107870402A (en) * | 2017-11-30 | 2018-04-03 | 长飞光纤光缆股份有限公司 | Loose-sleeve layer stranded optical cable and cabling device and cabling process thereof |
| CN108008512A (en) * | 2018-01-24 | 2018-05-08 | 苏州专创光电科技有限公司 | A kind of optical cable with moisture-proof function |
| CN111221088A (en) * | 2020-02-19 | 2020-06-02 | 杭州富通通信技术股份有限公司 | Optical cable |
| CN113703111A (en) * | 2021-08-26 | 2021-11-26 | 江苏南方通信科技有限公司 | Non-binding yarn type cabling production system and technology |
| CN115291347A (en) * | 2022-08-26 | 2022-11-04 | 江苏亨通光电股份有限公司 | High-performance pecking-proof overhead optical fiber ribbon and beam tube type optical fiber cable |
-
2007
- 2007-06-29 CN CNU2007200389848U patent/CN201075141Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411178A (en) * | 2011-11-25 | 2012-04-11 | 成都亨通光通信有限公司 | All-dielectric self-supporting optical cable |
| CN103389551A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Sealing protection structure inside cable |
| WO2018133477A1 (en) * | 2017-01-20 | 2018-07-26 | 烽火通信科技股份有限公司 | Method for manufacturing optical cable with wrapping yarn automatically unwinding under heat |
| CN107045171A (en) * | 2017-01-20 | 2017-08-15 | 烽火通信科技股份有限公司 | A kind of manufacture method for pricking the automatic chain solution type optical cable of yarn heat |
| CN107422435A (en) * | 2017-06-09 | 2017-12-01 | 南京华信藤仓光通信有限公司 | A kind of shellproof optical cable of super soft heatproof and its production method |
| CN107422435B (en) * | 2017-06-09 | 2019-12-13 | 南京华信藤仓光通信有限公司 | Ultra-soft temperature-resistant bulletproof optical cable |
| CN107870402A (en) * | 2017-11-30 | 2018-04-03 | 长飞光纤光缆股份有限公司 | Loose-sleeve layer stranded optical cable and cabling device and cabling process thereof |
| CN107870402B (en) * | 2017-11-30 | 2020-01-14 | 长飞光纤光缆股份有限公司 | Loose-sleeve layer stranded optical cable and cabling device and cabling process thereof |
| CN108008512A (en) * | 2018-01-24 | 2018-05-08 | 苏州专创光电科技有限公司 | A kind of optical cable with moisture-proof function |
| CN111221088A (en) * | 2020-02-19 | 2020-06-02 | 杭州富通通信技术股份有限公司 | Optical cable |
| CN111221088B (en) * | 2020-02-19 | 2021-02-26 | 杭州富通通信技术股份有限公司 | Optical cable |
| CN113703111A (en) * | 2021-08-26 | 2021-11-26 | 江苏南方通信科技有限公司 | Non-binding yarn type cabling production system and technology |
| CN115291347A (en) * | 2022-08-26 | 2022-11-04 | 江苏亨通光电股份有限公司 | High-performance pecking-proof overhead optical fiber ribbon and beam tube type optical fiber cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080618 |