CN202421534U - Tightly-wrapped optical fiber resistant to high temperature of 200 DEG C - Google Patents
Tightly-wrapped optical fiber resistant to high temperature of 200 DEG C Download PDFInfo
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- CN202421534U CN202421534U CN 201220004923 CN201220004923U CN202421534U CN 202421534 U CN202421534 U CN 202421534U CN 201220004923 CN201220004923 CN 201220004923 CN 201220004923 U CN201220004923 U CN 201220004923U CN 202421534 U CN202421534 U CN 202421534U
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Abstract
The utility model relates to a tightly-wrapped optical fiber resistant to high temperature of 200 DEG C. The tightly-wrapped optical fiber is characterized in that a polyimide coating layer is positioned at the periphery of a fiber core; and a tightly-wrapped outer layer of a crosslinking ethyl tetrafluoroethylene copolymer (X-ETFE) is positioned at the periphery of the polyimide coating layer. According to a preparation process for the tightly-wrapped optical fiber, the fiber core of the optical fiber is divided into a single mode and a multi-mode; the coating layer is coated by polyimide, the temperature resistant grade ranges from -65 to +200 DEG C, the outer diameter of the coating layer is 155 micrometers, and the tightly-wrapped optical fiber is laid and arranged normally at the temperature of -65 DEG C by the coating layer; and the crosslinking ethyl tetrafluoroethylene copolymer (X-ETFE) is extruded by the single-layer or double-layer thin wall of a high-temperature plastic extruding machine to form tightly-wrapped layers, and the tightly-wrapped layers are resistant to the high temperature of 200 DEG C. The tightly-wrapped optical fiber resistant to the high temperature of 200 DEG C has the characteristics of resistance to the temperature of between -65 and +200 DEG C, high strength, bending resistance, impact resistance, aging resistance, long service life, corrosion resistance, flame retardance and the like, high reliable service can be provided in a rugged environment, and the tightly-wrapped optical fiber is suitable for transmitting high-speed signals in the special environment of aviation and electronics and airborne environment.
Description
Technical field
The utility model is high temperature resistant 200 ℃ of tightly packaged fibers; Product has high-low temperature resistant-65 ℃～+ 200 ℃, high strength, anti-bending, shock resistance, ageing-resistant, long-life, characteristic such as corrosion-resistant, fire-retardant; Can highly reliable service be provided under rugged environment, be applicable to the high speed transmission of signals under Aero-Space, electronics, the airborne special environment condition.
Background technology
At present, common civilian field fiber, the producer of domestic production is a lot, and technical merit is also very ripe.But the application at military domain optical fiber also is in the initial stage developing stage.Main cause is that military optical fiber is had relatively high expectations, and not only requires good environment and mechanical property, like specific (special) requirements such as high-low temperature resistant, high strength, shock resistance, anti-bending, long-lives.So material that military optical fiber, optical cable are selected for use and manufacturing process and conventional civilian goods have very big difference.High temperature resistant 200 ℃ of tightly packaged fibers are considered the application requirements of military products just, take into full account its applicability and security, take into full account high low temperature, high strength, anti-bending, shock resistance, ageing-resistant, long-life, special environment for use requirement such as corrosion-resistant, fire-retardant.
Summary of the invention
What the utility model proposed is the high temperature resistant 200 ℃ of tightly packaged fibers of a kind of proposition, and its purpose is intended to the fiber core coat and adopts polyimide coated, has improved heat resistance than ordinary optic fibre fibre core, and heatproof reaches 200 ℃; The hard-pressed bale sheath adopts cross-linked ethylene TFE copolymer X-ETFE; Adopt the individual layer thin-walled to extrude and extrude two kinds of structures with double-layer thin wall; Improved the high and low temperature resistance-65 ℃ of tightly packaged fiber～+ 200 ℃; Adopt cross-linked ethylene TFE copolymer X-ETFE sheath, mechanical property and environmental resistance also improve greatly.
The technical solution of the utility model: the periphery that it is characterized in that fibre core is the polyimide coated layer; The periphery of polyimide coated layer is that the hard-pressed bale of cross-linked ethylene TFE copolymer X-ETFE is outer; Fiber core divides single mode and multimode, single mode structure 9/125 μ m, multi-mode structure 50/125 μ m or 62.5/125 μ m; What coat adopted is polyimide coated; The temperature resistant grade of polyimide coated is-65 ℃～+ 200 ℃; The coat external diameter is 155 μ m; What the hard-pressed bale skin adopted is that the individual layer thin-walled is extruded the cross-linked ethylene TFE copolymer material X-ETFE that high temperature extruding machine thin-walled is extruded, outer high temperature resistant 200 ℃ of hard-pressed bale.
The utlity model has following advantage: 1) high temperature resistant: coat adopts polyimide coated, and the hard-pressed bale sheath adopts cross-linked ethylene TFE copolymer X-ETFE, and long-term maximum operating temperature can reach+and 200 ℃.2) low temperature resistant: coat adopts polyimide coated; The hard-pressed bale sheath adopts cross-linked ethylene TFE copolymer X-ETFE; Make tightly packaged fiber descend normal laying installations at-65 ℃; Can solve general material because low temperature lays problems such as being prone to cause sclerosis, embrittlement, thereby satisfy the request for utilization of low temperature environment.3) high strength: the hard-pressed bale sheath adopts cross-linked ethylene TFE copolymer X-ETFE, has improved the mechanical property of tightly packaged fiber, compares stretching resistance with the common tightly packaged fiber of normal temperature and improves greatly.4) high flame retardant, ageing-resistant, long-life, corrosion-resistant: adopt cross-linked ethylene TFE copolymer X-ETFE hard-pressed bale sheath, this kind material has very high fire resistance, ageing-resistant, long-life and decay resistance.5) stability: adopt cross-linked ethylene TFE copolymer X-ETFE hard-pressed bale sheath, with fibre core adhesion is preferably arranged, the structure rounding is stable, and optical property is stable.
Description of drawings
Accompanying drawing 1 is the structural representation of ф 600 μ m tightly packaged fibers.
Accompanying drawing 2 is structural representations of ф 900 μ m tightly packaged fibers.
Among the figure 1 is fibre core; The 2nd, the polyimide coated layer; The 3rd, the hard-pressed bale internal layer of cross-linked ethylene TFE copolymer X-ETFE; The 4th, the hard-pressed bale of cross-linked ethylene TFE copolymer X-ETFE is outer.
Embodiment
Its preparation technology: fiber core divides single mode and multimode, single mode structure 9/125 μ m, multi-mode structure 50/125 μ m or 62.5/125 μ m; Coat adopts polyimide coated, and the temperature resistant grade of polyimide coated is-65 ℃～+ 200 ℃, and the coat external diameter is 155 μ m, and coat makes tightly packaged fiber descend normal laying installations at-65 ℃; Hard-pressed bale outer 4 is to adopt high temperature extruding machine individual layer thin-walled to extrude cross-linked ethylene TFE copolymer material X-ETFE, high temperature resistant 200 ℃.
Contrast accompanying drawing 2, its structure is that the periphery of fibre core 1 is a polyimide coated layer 2, coat adopts polyimide coated, makes tightly packaged fiber descend normal laying installations at-65 ℃; The periphery of polyimide coated layer 2 is hard-pressed bale internal layers 3 of cross-linked ethylene TFE copolymer X-ETFE, high temperature resistant 200 ℃; The periphery of the hard-pressed bale internal layer 3 of cross-linked ethylene TFE copolymer X-ETFE is hard-pressed bale skins 4 of cross-linked ethylene TFE copolymer X-ETFE, high temperature resistant 200 ℃.
Its preparation technology: fiber core divides single mode and multimode, single mode structure 9/125 μ m, multi-mode structure 50/125 μ m or 62.5/125 μ m; Coat adopts polyimide coated, and the temperature resistant grade of polyimide coated is-65 ℃～+ 200 ℃, and the coat external diameter is 155 μ m, and coat makes tightly packaged fiber descend normal laying installations at-65 ℃; Hard-pressed bale internal layer 3, hard-pressed bale outer 4 are to adopt high temperature extruding machine double-layer thin wall to extrude cross-linked ethylene TFE copolymer material X-ETFE; Hard-pressed bale internal layer 3, hard-pressed bale outer 4 high temperature resistant 200 ℃.
Use the coating equipment coating polyimide; With high temperature optical fiber extruder device fabrication hard-pressed bale internal layer; Outer with high temperature optical fiber extruder device fabrication hard-pressed bale.
Claims (2)
1. high temperature resistant 200 ℃ of tightly packaged fibers, the periphery that it is characterized in that fibre core is the polyimide coated layer; The periphery of polyimide coated layer is that to adopt double-layer thin wall to extrude the hard-pressed bale of the cross-linked ethylene TFE copolymer (X-ETFE) that high temperature extruding machine thin-walled extrudes outer; Fiber core divides single mode and multimode, single mode structure 9/125 μ m, multi-mode structure 50/125 μ m or 62.5/125 μ m; What coat adopted is polyimide coated, and the temperature resistant grade of polyimide coated is-65 ℃～+ 200 ℃, and the coat external diameter is 155 μ m, outer high temperature resistant 200 ℃ of hard-pressed bale.
2. high temperature resistant 200 ℃ of tightly packaged fibers according to claim 1; The periphery that it is characterized in that the polyimide coated layer is the hard-pressed bale internal layer of cross-linked ethylene TFE copolymer (X-ETFE), and the periphery of the hard-pressed bale internal layer of cross-linked ethylene TFE copolymer (X-ETFE) is that the hard-pressed bale of cross-linked ethylene TFE copolymer (X-ETFE) is outer; It is outer to adopt double-layer thin wall to extrude hard-pressed bale internal layer, the hard-pressed bale of the cross-linked ethylene TFE copolymer (X-ETFE) that high temperature extruding machine thin-walled extrudes, high temperature resistant 200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220004923 CN202421534U (en) | 2012-01-09 | 2012-01-09 | Tightly-wrapped optical fiber resistant to high temperature of 200 DEG C |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220004923 CN202421534U (en) | 2012-01-09 | 2012-01-09 | Tightly-wrapped optical fiber resistant to high temperature of 200 DEG C |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421534U true CN202421534U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220004923 Expired - Lifetime CN202421534U (en) | 2012-01-09 | 2012-01-09 | Tightly-wrapped optical fiber resistant to high temperature of 200 DEG C |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358393A (en) * | 2018-11-22 | 2019-02-19 | 中山市美速光电技术有限公司 | A kind of high-temperature resistant optical fiber array and its manufacturing method |
| JP2021144126A (en) * | 2020-03-11 | 2021-09-24 | 三菱ケミカル株式会社 | Optical fiber cable |
-
2012
- 2012-01-09 CN CN 201220004923 patent/CN202421534U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358393A (en) * | 2018-11-22 | 2019-02-19 | 中山市美速光电技术有限公司 | A kind of high-temperature resistant optical fiber array and its manufacturing method |
| JP2021144126A (en) * | 2020-03-11 | 2021-09-24 | 三菱ケミカル株式会社 | 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: 20120905 |