CN202285052U - Layer stranded thunder and lightning prevention fire retardant and resistant optical communication cable used for coal mine - Google Patents
Layer stranded thunder and lightning prevention fire retardant and resistant optical communication cable used for coal mine Download PDFInfo
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- CN202285052U CN202285052U CN2011203022216U CN201120302221U CN202285052U CN 202285052 U CN202285052 U CN 202285052U CN 2011203022216 U CN2011203022216 U CN 2011203022216U CN 201120302221 U CN201120302221 U CN 201120302221U CN 202285052 U CN202285052 U CN 202285052U
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Abstract
The utility model discloses a layer stranded thunder and lightning prevention fire retardant and resistant optical communication cable used for a coal mine, and the optical communication cable includes optical fibers or optical-fiber ribbons (1) parallelly sleeved in loose tubes (3), wherein the loose tubes (3) are filled with waterproof substances (2) and arranged around a central reinforcement (5); a yarn-binding layer (6) is arranged outside the loose tubes (3) and internally filled with waterproof substances (4); an inner sheath (7) is arranged outside the yarn-binding layer (6); a fire resistant layer (8) is arranged outside the inner sheath (7); a tensile layer (9) is arranged outside the fire resistant layer (8); and a fire retardant outer sheath (10) is arranged outside the tensile layer (9). The layer stranded thunder and lightning prevention fire retardant and resistant optical communication cable provided by the utility not only retains the high performances of the conventional similar products, but also is additionally provided with the fire resistant protection performance of the optical cable, so that the optical cable is enabled to be safer and more reliable when in application.
Description
Technical field
The utility model relates to the communications optical cable field, is specifically related to a kind of layer-twisted type 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, 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 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, when pernicious variation takes place environment, guarantee the normal operation of communicating by letter within a certain period of time.
(2) technical scheme
For solving the problems of the technologies described above, provide a kind of layer-twisted type 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 the material that blocks water; Several said loose sleeve pipes arrange that around central reinforce member said several said loose sleeve pipes are outside equipped with the bundle layer, in said bundle layer, are filled with the material that blocks water; Be outside equipped with inner sheath at said bundle layer; 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, said central reinforce member 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 layer-twisted type 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 has 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 layer-twisted type 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: material blocks water; 3: loose sleeve pipe; 4: material blocks water; 5: central reinforce member; 6: prick layer; 7: inner sheath; 8: flame retardant coating; 9: tensile layer; 10: 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 layer-twisted type lightning protection resistance to fire fire-resistant colliery and uses communications optical cable, comprises optical fiber or fibre ribbon 1; Parallel sleeve is loaded in the loose sleeve pipe 3 that is filled with the material 2 that blocks water; Several loose sleeve pipes 3 arrange that around central reinforce member 5 said several loose sleeve pipes 3 are outside equipped with pricks layer 6, in pricking layer 6, is filled with the material 4 that blocks water; Be outside equipped with inner sheath 7 at bundle layer 6; Be outside equipped with flame retardant coating 8 at inner sheath 7, be outside equipped with tensile layer 9, fire-retardant oversheath 10 is set outside tensile layer 9 at flame retardant coating 8.Wherein, can adopt the optical fiber 1 of different model specification according to demand; The material 2 that blocks water adopts extraordinary factice for filling or water blocking yarn, and main effect is a protection optical fiber in order to avoid receive external stress and stop vertically flowing of water; Pine sleeve pipe 2 is made by the plastics (polybutylene terephthalate or polypropylene) of high-modulus, and the inside is filled optical fiber filling paste and can not received the external force effect by better protection optical fiber; Reinforcement 4 adopts FRP (fiberglass-reinforced plastic lever) reinforcement (being non-metal reinforcement member) to replace the phosphatization steel wire, and purpose is to introduce for anti-thunder and lightning; Inner sheath 7 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 8 adopts novel polymer composite " potteryization fireproof electric wire silicon rubber " to extrude, and plays the effect of flame-retardant effectively, also can process with fire-resistant mica; Tensile layer 9 adopts aramid yarn, has excellent tensile property and temperature characterisitic according to the stranded optical cable that guarantees of reasonable twisting pitch, has also avoided preventing with metal compound belt the introducing of thunder and lightning; Fire-retardant oversheath 10 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 layer-twisted type lightning protection resistance that the utility model provides fires fire-resistant colliery and uses the communications optical cable structure to be: will contain the single mode of many different colours or the loose sleeve pipe of multimode optical fiber and center on the stranded stranding of the nonmetal strengthening core in center (FRP); Cable core adds the bundle yarn and fixes; The suitable measure that blocks water is adopted in gap at cable core; Available filling greasy for preventing water or block water with the mode of water blocking yarn, waterstop extrudes the flame-proof polyethylene inner sheath.Inner sheath extrudes fire-resistant belting layers such as potteryization fireproof electric wire silicon rubber flame retardant coating or wrapped fire-resistant isinglass belt outward then, in the stranded reinforcement of its external application aramid fiber, extrudes low-smoke non-halogen flame-retardant pe sheath stranding at last.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 layer-twisted type 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 has 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 (7)
1. a layer-twisted type lightning protection resistance fires fire-resistant colliery and uses communications optical cable, it is characterized in that, comprises optical fiber or fibre ribbon (1); Parallel sleeve is loaded in the loose sleeve pipe (3) that is filled with the material that blocks water (2); Several said loose sleeve pipes (3) arrange that around central reinforce member (5) said several said loose sleeve pipes (3) are outside equipped with pricks layer (6), in said bundle layer (6), is filled with the material that blocks water (4); Be outside equipped with inner sheath (7) at said bundle layer (6); Be outside equipped with flame retardant coating (8) at said inner sheath (7), be outside equipped with tensile layer (9), fire-retardant oversheath (10) is set outside said tensile layer (9) at said flame retardant coating (8).
2. layer-twisted type 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. layer-twisted type lightning protection resistance as claimed in claim 1 fires fire-resistant colliery uses communications optical cable, it is characterized in that, said central reinforce member (5) adopts non-metal reinforcement member.
4. layer-twisted type lightning protection resistance as claimed in claim 1 fires fire-resistant colliery uses communications optical cable, it is characterized in that, said inner sheath (7) adopts the low-smoke non-halogen flame-retardant polyethylene sheath material to process.
5. layer-twisted type 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 (8) adopts potteryization fireproof electric wire silicon rubber, fire-resistant mica or high flame retardant spun glass rope band to process.
6. layer-twisted type lightning protection resistance as claimed in claim 1 fires fire-resistant colliery uses communications optical cable, it is characterized in that, said tensile layer (9) adopts aramid yarn or organdy or High molecular weight polyethylene yarn to process.
7. layer-twisted type 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 (10) adopts blue low-smoke non-halogen flame-retardant polyethylene sheath material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203022216U CN202285052U (en) | 2011-08-19 | 2011-08-19 | Layer stranded thunder and lightning prevention fire retardant and resistant optical communication cable used for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203022216U CN202285052U (en) | 2011-08-19 | 2011-08-19 | Layer stranded thunder and lightning prevention fire retardant and resistant optical communication cable used for coal mine |
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| Publication Number | Publication Date |
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| CN202285052U true CN202285052U (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203022216U Expired - Lifetime CN202285052U (en) | 2011-08-19 | 2011-08-19 | Layer stranded thunder and lightning prevention fire retardant and resistant optical communication cable used for coal mine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914838A (en) * | 2012-10-29 | 2013-02-06 | 常州市瑞通电子器材厂 | Optical cable for outdoor lightning protection |
| CN103116203A (en) * | 2013-02-03 | 2013-05-22 | 深圳市沃尔核材股份有限公司 | Fire-resistant optical cable |
| CN103383487A (en) * | 2013-08-07 | 2013-11-06 | 江苏中天科技股份有限公司 | Large-core-number miniature fire-proof optical cable for communication and manufacture method thereof |
| CN103412381A (en) * | 2013-07-29 | 2013-11-27 | 成都亨通光通信有限公司 | Flame-retarding fire-resistant layer stranding optical cable used for coal mine |
| CN104199156A (en) * | 2014-06-24 | 2014-12-10 | 江苏亨通光电股份有限公司 | Flame-retardant and fire-retardant cable with high performance |
| CN104698556A (en) * | 2015-03-31 | 2015-06-10 | 江苏亨通光电股份有限公司 | ADSS (All-Dielectric Self-Supporting optic fiber cable) and formation method thereof |
| CN108447602A (en) * | 2018-04-25 | 2018-08-24 | 四川鑫电电缆有限公司 | The fire-retardant three cores midium voltage cable of temperature-sensitive tension |
| CN112415696A (en) * | 2020-12-29 | 2021-02-26 | 东莞市特旺通信科技有限公司 | Water-blocking high-temperature-resistant irradiation-resistant multi-core optical cable and preparation method thereof |
| CN113866913A (en) * | 2021-08-30 | 2021-12-31 | 通鼎互联信息股份有限公司 | High-temperature-resistant water-blocking optical cable |
-
2011
- 2011-08-19 CN CN2011203022216U patent/CN202285052U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914838A (en) * | 2012-10-29 | 2013-02-06 | 常州市瑞通电子器材厂 | Optical cable for outdoor lightning protection |
| CN103116203A (en) * | 2013-02-03 | 2013-05-22 | 深圳市沃尔核材股份有限公司 | Fire-resistant optical cable |
| CN103116203B (en) * | 2013-02-03 | 2015-07-15 | 深圳市沃尔核材股份有限公司 | Fire-resistant optical cable |
| CN103412381A (en) * | 2013-07-29 | 2013-11-27 | 成都亨通光通信有限公司 | Flame-retarding fire-resistant layer stranding optical cable used for coal mine |
| CN103383487A (en) * | 2013-08-07 | 2013-11-06 | 江苏中天科技股份有限公司 | Large-core-number miniature fire-proof optical cable for communication and manufacture method thereof |
| CN103383487B (en) * | 2013-08-07 | 2015-08-26 | 江苏中天科技股份有限公司 | Large-core-number miniature fire-proof optical cable for communication and preparation method thereof |
| CN104199156A (en) * | 2014-06-24 | 2014-12-10 | 江苏亨通光电股份有限公司 | Flame-retardant and fire-retardant cable with high performance |
| CN104698556A (en) * | 2015-03-31 | 2015-06-10 | 江苏亨通光电股份有限公司 | ADSS (All-Dielectric Self-Supporting optic fiber cable) and formation method thereof |
| CN104698556B (en) * | 2015-03-31 | 2018-05-22 | 江苏亨通光电股份有限公司 | A kind of ADSS optical fiber cables and its forming method |
| CN108447602A (en) * | 2018-04-25 | 2018-08-24 | 四川鑫电电缆有限公司 | The fire-retardant three cores midium voltage cable of temperature-sensitive tension |
| CN112415696A (en) * | 2020-12-29 | 2021-02-26 | 东莞市特旺通信科技有限公司 | Water-blocking high-temperature-resistant irradiation-resistant multi-core optical cable and preparation method thereof |
| CN112415696B (en) * | 2020-12-29 | 2022-10-04 | 东莞市特旺通信科技有限公司 | Water-blocking high-temperature-resistant irradiation-resistant multi-core optical cable and preparation method thereof |
| CN113866913A (en) * | 2021-08-30 | 2021-12-31 | 通鼎互联信息股份有限公司 | High-temperature-resistant water-blocking optical cable |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| 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 |