CN202285053U - Center pipe type anti-thunder flame-retardant fireproof communication optical cable for coal mine - Google Patents
Center pipe type anti-thunder flame-retardant fireproof communication optical cable for coal mine Download PDFInfo
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- CN202285053U CN202285053U CN2011203022235U CN201120302223U CN202285053U CN 202285053 U CN202285053 U CN 202285053U CN 2011203022235 U CN2011203022235 U CN 2011203022235U CN 201120302223 U CN201120302223 U CN 201120302223U CN 202285053 U CN202285053 U CN 202285053U
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Abstract
The utility model discloses a center pipe type anti-thunder flame-retardant fireproof communication optical cable for a coal mine, which comprises an optical fiber or optical fiber ribbon (1) which is sleeved in a loose sleeve pipe (3) filled with a filling paste (2) of the optical fiber or the optical fiber ribbon in parallel, wherein the outside of the loose sleeve pipe (3) is prepared with a flame-retardant inner sheath (5) containing a reinforcing component (4), the outside of the flame-retardant inner sheath (5) is provided with a fireproof layer (6), the outside of the fireproof layer (6) is provided with a tensile layer (7), and the outside of the tensile layer (7) is provided with a flame-retardant outer sheath (8). According to the product disclosed by the utility model, the superior performance of a traditional like product is continued; and moreover, the fireproof protecting performance of an optical cable is also increased, so that the optical cable is safer and more reliable when being applied.
Description
Technical field
The utility model relates to the communications optical cable field, is specifically related to a kind of central tubular lightning protection resistance and fires fire-resistant colliery and use communications optical cable.
Background technology
Existing colliery is an environment that ten minutes is special, so the communications optical cable that requires to be applied to the colliery has strict anti-thunder and lightning introducing, the function of flame-retardant.
The general structure of existing like product is by optical fiber or fibre ribbon, loose sleeve pipe, and the FRP reinforcement, aramid yarn and fire retardant jacket are formed.Cable core adopts two kinds of different structural forms, central tubular and layer-twisted types.The central tubular structure is to be the center with the loose sleeve pipe that contains single mode or multimode optical fiber, and the outside extrudes the fire-retardant inner sheath that one deck contains the FRP reinforcement of two parallel placements, extrudes low-smoke non-halogen flame-retardant tygon oversheath stranding after the outer aramid fiber of inner sheath is strengthened.The layer-twisted type structure is that the loose sleeve pipe that contains single mode or multimode optical fiber is centered on the stranded stranding of the nonmetal strengthening core in center (FRP), and cable core extrudes the tygon inner sheath outward, and aramid fiber is strengthened then, extrudes low-smoke non-halogen flame-retardant pe sheath stranding at last.
Draw existing product from structure analysis and be mostly to utilize FRP reinforcement and aramid yarn enhancement Layer to play the protective effect that anti-thunder and lightning is introduced, the flame-proof polyethylene oversheath plays fire-retardant protective effect.The flame-proof polyethylene sheath only can play fire-retardant effect at short notice.If its protection effect is just not remarkable under the burning of high temperature and big fire for a long time, the existing technical security hidden danger of this just present optical cable of the same type.
The utility model content
The technical matters that (one) will solve
The technical matters that the utility model will solve is how to design a kind of colliery with stronger defencive function to use optical cable; On the basis of the superior function that continues existing product, strengthen the fire performance of this series products again; Improve the application security of optical cable, guarantee that when pernicious variation takes place environment communication within a certain period of time is normal.
(2) technical scheme
For solving the problems of the technologies described above; Provide a kind of central tubular lightning protection resistance to fire fire-resistant colliery and use communications optical cable, comprise optical fiber or fibre ribbon, parallel sleeve is loaded in the loose sleeve pipe that is filled with optical fiber filling paste; In the preparation of the outside of said loose sleeve pipe the inner sheath that contains reinforcement is arranged; Be outside equipped with flame retardant coating at said inner sheath, be outside equipped with tensile layer, fire-retardant oversheath is set outside said tensile layer at said flame retardant coating.
Preferably, said loose sleeve pipe is processed by polybutylene terephthalate or polypropylene.
Preferably, contain two parallel reinforcements in the said fire-retardant inner sheath.
Preferably, said reinforcement is a non-metal reinforcement member.
Preferably, said inner sheath adopts the low-smoke non-halogen flame-retardant polyethylene sheath material to process.
Preferably, said flame retardant coating adopts potteryization fireproof electric wire silicon rubber or fire-resistant mica or high flame retardant spun glass rope band to process.
Preferably, said tensile layer adopts aramid yarn or organdy or High molecular weight polyethylene yarn to process.
Preferably, said fire-retardant oversheath adopts blue low-smoke non-halogen flame-retardant polyethylene sheath material to process.
(3) beneficial effect
The central tubular lightning protection resistance of the utility model fires fire-resistant colliery uses communications optical cable; Be on the basis of existing product, to improve upgrade design to come out: loose shell material itself has good anti-hydrolytic performance and higher intensity; Fill in the pipe with extraordinary ointment or water blocking yarn optical fiber or fibre ribbon have been played critical protective effect; The protection of aramid yarn enhancement Layer has improved the resistance to tension of optical cable greatly, adopts no metal construction design effectively to play the performance that anti-thunder and lightning is introduced; Low-smoke halogen-free flame-retardant sheath has excellent flame-retardant performance, and the pottery fireproof electric wire silicon rubber protective seam that increases newly can play good refractory protection effect again.The utility model product has not only continued the superior function of existing like product, but also has increased the refractory protection performance of optical cable, makes optical cable safety and reliability when using.
Description of drawings
Fig. 1 is that the central tubular lightning protection resistance of accordinging to the utility model embodiment fires the structural representation of fire-resistant colliery with communications optical cable.
Wherein, 1: optical fiber or fibre ribbon; 2: optical fiber filling paste; 3: loose sleeve pipe; 4: reinforcement; 5: inner sheath; 6: flame retardant coating; 7: tensile layer; 8: fire-retardant oversheath.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is made an into detailed description.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
As shown in Figure 1; The utility model embodiment provides a kind of central tubular lightning protection resistance to fire fire-resistant colliery and uses communications optical cable, comprises optical fiber or fibre ribbon 1, and parallel sleeve is loaded in the loose sleeve pipe 3 that is filled with optical fiber filling paste 2; Have in the inner sheath 5 that contains reinforcement 4 in the preparation of the outside of loose sleeve pipe 3; Be outside equipped with flame retardant coating 6 at inner sheath 5, be outside equipped with tensile layer 7, fire-retardant oversheath 8 is set outside tensile layer 7 at flame retardant coating 6.Wherein, can adopt the optical fiber or the fibre ribbon 1 of different model specification according to demand; Optical fiber adopts extraordinary factice for filling with factice for filling, and main effect is to protect optical fiber or fibre ribbon in order to avoid receive external stress; Pine sleeve pipe 3 is made by the plastics (polybutylene terephthalate) of high-modulus, the inside fill optical fiber filling paste can better protection optical fiber or fibre ribbon do not receive the external force effect; Reinforcement 4 adopts FRP (fiberglass-reinforced plastic lever, i.e. non-metal reinforcement member) reinforcement to replace the phosphatization steel wire, and purpose is to introduce for anti-thunder and lightning; Inner sheath 5 adopts the low-smoke non-halogen flame-retardant polyethylene sheath material to extrude and forms, and purpose is effectively to stop the optical cable burning; Flame retardant coating 6 adopts novel polymer composite " potteryization fireproof electric wire silicon rubber " to extrude, and plays the effect of flame-retardant effectively, also can adopt fire-resistant mica; Tensile layer 7 adopts aramid yarn, has excellent tensile property and temperature characterisitic according to the stranded assurance optical cable of reasonable twisting pitch optical cable, has also avoided preventing with metal compound belt the introducing of thunder and lightning; Fire-retardant oversheath 8 adopts blue low-smoke non-halogen flame-retardant polyethylene sheath material to extrude and forms, and blue low-smoke halogen-free flame-retardant sheath helps the differentiation with other cables, also has good flame retardancy simultaneously.
The central tubular lightning protection resistance that the utility model provides fires fire-resistant colliery and uses the communications optical cable structure to be: be the center with the single mode that contains many different colours or the loose sleeve pipe of multimode optical fiber or fibre ribbon, the outside extrudes the inner sheath that one deck contains the FRP reinforcement (being non-metal reinforcement member) of two parallel placements.Outside inner sheath, extrude fire-resistant belting layers such as potteryization fireproof electric wire silicon rubber flame retardant coating or wrapped fire-resistant isinglass belt then,, extrude low-smoke non-halogen flame-retardant pe sheath stranding at last in the stranded reinforcement of its external application aramid fiber.According to the different environment needs; The loose sleeve pipe of optical cable can adopt following two kinds of modes that block water: first kind of mode is present employing technology filling greasy for preventing water inside loose sleeve pipe the most widely, and the second way is exactly more advanced filling water blocking yarn inside loose sleeve pipe.More than two kinds of schemes can use flexibly according to different needs.
The central tubular lightning protection resistance of the utility model fires fire-resistant colliery uses communications optical cable; Be on the basis of existing product, to improve upgrade design to come out: loose shell material itself has good anti-hydrolytic performance and higher intensity; Fill in the pipe with extraordinary ointment or water blocking yarn optical fiber or fibre ribbon have been played critical protective effect; The protection of aramid yarn enhancement Layer has improved the resistance to tension of optical cable greatly, adopts no metal construction design effectively to play the performance that anti-thunder and lightning is introduced; Low-smoke halogen-free flame-retardant sheath has excellent flame-retardant performance, and the pottery fireproof electric wire silicon rubber protective seam that increases newly can play good refractory protection effect again.The utility model product has not only continued the superior function of existing like product, but also has increased the refractory protection performance of optical cable, makes optical cable safety and reliability when using.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and modification, these improvement and modification also should be regarded as the protection domain of the utility model.
Claims (8)
1. a central tubular lightning protection resistance fires fire-resistant colliery and uses communications optical cable; It is characterized in that, comprise optical fiber or fibre ribbon (1), parallel sleeve is loaded in the loose sleeve pipe (3) that is filled with optical fiber filling paste (2); Have in the inner sheath (5) that contains reinforcement (4) in the preparation of the outside of said loose sleeve pipe (3); Be outside equipped with flame retardant coating (6) at said inner sheath (5), be outside equipped with tensile layer (7), fire-retardant oversheath (8) is set outside said tensile layer (7) at said flame retardant coating (6).
2. central tubular lightning protection resistance as claimed in claim 1 fires fire-resistant colliery uses communications optical cable, it is characterized in that said loose sleeve pipe (3) is processed by polybutylene terephthalate or polypropylene.
3. central tubular lightning protection resistance as claimed in claim 1 fires fire-resistant colliery uses communications optical cable, it is characterized in that, contains two parallel reinforcements (4) in the said inner sheath (5).
4. central tubular lightning protection resistance as claimed in claim 3 fires fire-resistant colliery uses communications optical cable, it is characterized in that said reinforcement (4) is a non-metal reinforcement member.
5. central tubular lightning protection resistance as claimed in claim 1 fires fire-resistant colliery uses communications optical cable, it is characterized in that, said inner sheath (5) adopts the low-smoke non-halogen flame-retardant polyethylene sheath material to process.
6. central tubular lightning protection resistance as claimed in claim 1 fires fire-resistant colliery uses communications optical cable, it is characterized in that, said flame retardant coating (6) adopts potteryization fireproof electric wire silicon rubber, fire-resistant mica or high flame retardant spun glass rope band to process.
7. central tubular lightning protection resistance as claimed in claim 1 fires fire-resistant colliery uses communications optical cable, it is characterized in that, said tensile layer (7) adopts aramid yarn or organdy or High molecular weight polyethylene yarn to process.
8. central tubular lightning protection resistance as claimed in claim 1 fires fire-resistant colliery uses communications optical cable, it is characterized in that, said fire-retardant oversheath (8) adopts blue low-smoke non-halogen flame-retardant polyethylene sheath material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203022235U CN202285053U (en) | 2011-08-19 | 2011-08-19 | Center pipe type anti-thunder flame-retardant fireproof communication optical cable for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203022235U CN202285053U (en) | 2011-08-19 | 2011-08-19 | Center pipe type anti-thunder flame-retardant fireproof communication optical cable for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202285053U true CN202285053U (en) | 2012-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203022235U Expired - Lifetime CN202285053U (en) | 2011-08-19 | 2011-08-19 | Center pipe type anti-thunder flame-retardant fireproof communication optical cable for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202285053U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226224A (en) * | 2013-04-28 | 2013-07-31 | 江苏七宝光电集团有限公司 | High-temperature mining optical cable |
| CN104849824A (en) * | 2015-06-15 | 2015-08-19 | 长飞光纤光缆股份有限公司 | Full-dry nonmetal self-supporting skeleton-type optical cable |
| RU188173U1 (en) * | 2015-08-11 | 2019-04-02 | КОРНИНГ ОПТИКАЛ КОММЬЮНИКЕЙШНЗ ЭлЭлСи | FIBER OPTIC CABLE |
| WO2022004666A1 (en) * | 2020-06-29 | 2022-01-06 | 住友電気工業株式会社 | Optical fiber cable |
-
2011
- 2011-08-19 CN CN2011203022235U patent/CN202285053U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226224A (en) * | 2013-04-28 | 2013-07-31 | 江苏七宝光电集团有限公司 | High-temperature mining optical cable |
| CN104849824A (en) * | 2015-06-15 | 2015-08-19 | 长飞光纤光缆股份有限公司 | Full-dry nonmetal self-supporting skeleton-type optical cable |
| RU188173U1 (en) * | 2015-08-11 | 2019-04-02 | КОРНИНГ ОПТИКАЛ КОММЬЮНИКЕЙШНЗ ЭлЭлСи | FIBER OPTIC CABLE |
| WO2022004666A1 (en) * | 2020-06-29 | 2022-01-06 | 住友電気工業株式会社 | Optical fiber cable |
| US11994730B2 (en) | 2020-06-29 | 2024-05-28 | Sumitomo Electric Industries, Ltd. | Optical fiber cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300385 Tianjin City Economic Development Zone Xiqing three Saida Avenue No. 8 Patentee after: Tianjin Li Fu photoelectric Polytron Technologies Inc Address before: 300385 Tianjin City Economic Development Zone Xiqing three Saida Avenue No. 8 Patentee before: Tianjin Lifu Optical Cable Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |