CN202305923U - Central tube type flame-retardant and fire-resistant optical cable for mining - Google Patents
Central tube type flame-retardant and fire-resistant optical cable for mining Download PDFInfo
- Publication number
- CN202305923U CN202305923U CN2011203022127U CN201120302212U CN202305923U CN 202305923 U CN202305923 U CN 202305923U CN 2011203022127 U CN2011203022127 U CN 2011203022127U CN 201120302212 U CN201120302212 U CN 201120302212U CN 202305923 U CN202305923 U CN 202305923U
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- retardant
- flame
- fire
- optical cable
- colliery
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Abstract
The utility model discloses a central tube type flame-retardant and fire-resistant optical cable for mining, which comprises optical fiber or optical-fiber ribbons (1), wherein the optical fiber or the optical-fiber ribbons (1) are sleeved in a loose tube (3) filled with water-resistant matters (2) in parallel, a water-resistant layer (4) is arranged outside the loose tube (3), a metal composite belt (5) is arranged outside the water-resistant layer (4), an inner jacket (7) with a reinforcement (6) is prepared outside the metal composite belt (5), a fire-resistant layer (8) is arranged outside the inner jacket (7), and a flame-retardant outer sheath (9) is arranged outside the fire-resistant layer (8). By adopting the multiple layers of flame-retardant and fire-resistant protection, the central tube type flame-retardant and fire-resistant optical cable for mining is capable of well protecting the optical fiber in the cable to work for a longer time under the conditions of high temperature and mass fire burning, so that economic loss is reduced.
Description
Technical field
The utility model relates to the communications optical cable field, is specifically related to a kind of central tubular colliery and uses the flame-retardant optical cable.
Background technology
Existing colliery is by optical fiber with the structure of fire-retardant cable substantially, and loose sleeve pipe is strengthened unit and sheath and formed.Sheath is divided into inner sheath and oversheath is two-layer, and inner sheath is extruded by common tygon or flame-proof material and forms, and oversheath is made up of flame-proof polyethylene sheath or flame-proof polyvinyl chloride sheath.The colliery mainly relies on flame-proof polyethylene sheath or flame-proof polyvinyl chloride sheath to play fire-retardant purpose with fire-retardant cable under the prior art.Product fire prevention and anti-fire resistance can not reach fire-resistant requirement.
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 better flame-retardant function with flame-retardant central tubular optical cable; Assurance optical fiber can be tried one's best injury-free for a long time under the long-time burning of big fire high temperature; Guarantee the unimpeded of communication within a certain period of time, reduce the property economic loss.
(2) technical scheme
For solving the problems of the technologies described above, provide a kind of central tubular colliery to use the flame-retardant 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; Said loose sleeve pipe is outside equipped with water blocking layer, is outside equipped with metal compound belt at said water blocking layer, and preparation has the inner sheath with reinforcement outside said metal compound belt; Be outside equipped with flame retardant coating at said inner sheath, be outside equipped with fire-retardant oversheath at said flame retardant coating.
Preferably, said loose sleeve pipe adopts polybutylene terephthalate or polypropylene to process.
Preferably, said water blocking layer adopts waterstop or water blocking yarn or greasy for preventing water to process.
Preferably, said metal compound belt adopts the metal compound belt of two-sided plastic-coated.
Preferably, said reinforcement adopts the phosphatization steel wire to make.
Preferably, said inner sheath adopts black low-smoke non-halogen flame-retardant polyethylene sheath material to make.
Preferably, said flame retardant coating adopts potteryization fireproof electric wire silicon rubber or fire-resistant isinglass belt or high flame retardant spun glass rope band to make.
Preferably, said fire-retardant oversheath adopts blue low-smoke non-halogen flame-retardant polyethylene sheath material to process.
(3) beneficial effect
The flame-retardant optical cable is used in the central tubular colliery of the utility model; On the basis of existing product structure; Increased the refractory protection that one deck is made up of pottery fireproof electric wire silicon rubber again; Residue after common fire-retardant, the low cigarette macromolecular material burning is ashes, will soon go wrong after being burnt; Potteryization fireproof silicon rubber has extraordinary fire prevention, fire-resistant, fire-retardant, low cigarette, nontoxic performance; Residue after its burning is the ceramic-like duricrust simultaneously; Duricrust not fusion under fire (650-1300 degree) environment; Drip not ensures unobstructedly in the situation line of fire, plays firm protective effect.When fire resistive materials such as use fire-resistant isinglass belt are wrapped, also can play good fire resistance properties.The multi-layer fire-retarded refractory protection of the utility model with the optical fiber in the better protection optical cable can the longer time under the burning of high temperature and big fire work, reduce economic loss.To no applied environment, but the mode that the blocks water flexible Application of loose sleeve pipe is filled greasy for preventing water or water blocking yarn, makes optical cable be suitable for being applied to occasion more widely.
Description of drawings
Fig. 1 accordings to the structural representation of the central tubular colliery of the utility model embodiment with the flame-retardant optical cable.
Wherein, 1: optical fiber or fibre ribbon; 2: material blocks water; 3: loose sleeve pipe; 4: water blocking layer; 5: metal compound belt; 6: reinforcement; 7: inner sheath; 8: flame retardant coating; 9: 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 colliery to use the flame-retardant 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; Pine sleeve pipe 3 is outside equipped with water blocking layer 4, is outside equipped with metal compound belt 5 at water blocking layer 4, and preparation has the inner sheath 7 with reinforcement 6 outside metal compound belt 5; Be outside equipped with flame retardant coating 8 at inner sheath 7, be outside equipped with fire-retardant oversheath 9 at flame retardant coating 8.Wherein, adopt the optical fiber or the fibre ribbon 1 of different size as required; The material 2 that blocks water adopts extraordinary ointment or water blocking yarn, plays the effect of protection optical fiber; Pine sleeve pipe 3 uses PBT (polybutylene terephthalate) or acrylic plastering to process; Water blocking layer 4 adopts waterstop or water blocking yarn or greasy for preventing water to play the protective effect that blocks water; Metal compound belt 5 adopts the composite steel-plastic belt of two-sided plastic-coated; Reinforcement 6 adopts the phosphatization steel wire, makes optical cable have better tension effect; Inner sheath 7 adopts black low-smoke non-halogen flame-retardant polyethylene sheath material to extrude, and plays certain fire retardation; The novel polymer composite " potteryization fireproof electric wire silicon rubber " of flame retardant coating 8 usefulness extrudes, and effectively plays the effect of flame-retardant; Fire-retardant oversheath 9 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 the good flame-retardance ability simultaneously.
The maximum characteristics of the utility model are exactly between oversheath and inner sheath, to have increased the protective seam that one deck is made up of pottery fireproof electric wire silicon rubber again; In the occasion that requires not to be very high; This material also can use conventional fire resistive materials such as fire-resistant isinglass belt or high flame retardant spun glass rope band, and optical cable is played fire prevention, refractory protection effect.The structure of optical cable adopts the central tubular structure; Single-mode fiber or multimode optical fiber or fibre ribbon are inserted in the loose sleeve pipe; It is to take existing technology in each loose sleeve pipe, to fill waterproofing compound (be generally optical fiber and use ointment) that the pine sleeve pipe can adopt two kinds of first kind of modes of mode that block water; The second way is to adopt more advanced dry type stop water now, fills other materials that block water (adopting water blocking yarn usually) in loose sleeve pipe the inside, and loose sleeve pipe is provided with water blocking layer outward; The vertical bag of the two-sided plastic-coated of water blocking layer external application (wrinkle) steel band, the outer both sides of steel band are placed and are extruded pe sheath or fire retardant jacket after at least two parallel reinforcement steel wires are strengthened.Inner sheath extrudes flame retardant coatings such as protective seam that one deck is made up of pottery fireproof silicon rubber or wrapped fire-resistant isinglass belt outward, and outermost extrudes the sheath stranding with the low-smoke non-halogen flame-retardant polyethylene sheath material then.The double shielding net of being made up of pottery fireproof electric wire silicon rubber protective seam or mica tape flame retardant coating and low-smoke non-halogen flame-retardant pe sheath in the optical cable can be good at optical fiber is played a protective role.
The flame-retardant optical cable is used in the central tubular colliery of the utility model; On the basis of existing product structure; Increased the refractory protection that one deck is made up of pottery fireproof electric wire silicon rubber again; Residue after common fire-retardant, the low cigarette macromolecular material burning is ashes, will soon go wrong after being burnt; Potteryization fireproof silicon rubber has extraordinary fire prevention, fire-resistant, fire-retardant, low cigarette, nontoxic performance; Residue after its burning is the ceramic-like duricrust simultaneously; Duricrust not fusion under fire (650-1300 degree) environment; Drip not ensures unobstructedly in the situation line of fire, plays firm protective effect.When fire resistive materials such as use fire-resistant isinglass belt are wrapped, also can play good fire resistance properties.The multi-layer fire-retarded refractory protection of the utility model with the optical fiber in the better protection optical cable can the longer time under the burning of high temperature and big fire work, reduce economic loss.To no applied environment, but the mode that the blocks water flexible Application of loose sleeve pipe is filled greasy for preventing water or water blocking yarn, makes optical cable be suitable for being applied to occasion more widely.
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 (9)
1. the flame-retardant optical cable is used in a central tubular colliery, 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); Said loose sleeve pipe (3) is outside equipped with water blocking layer (4), is outside equipped with metal compound belt (5) at said water blocking layer (4), and preparation has the have reinforcement inner sheath (7) of (6) outside said metal compound belt (5); Be outside equipped with flame retardant coating (8) at said inner sheath (7), be outside equipped with fire-retardant oversheath (9) at said flame retardant coating (8).
2. the flame-retardant optical cable is used in central tubular as claimed in claim 1 colliery, it is characterized in that, said loose sleeve pipe (3) adopts polybutylene terephthalate or polypropylene to process.
3. the flame-retardant optical cable is used in central tubular as claimed in claim 1 colliery, it is characterized in that, said water blocking layer (4) adopts waterstop or water blocking yarn or greasy for preventing water to process.
4. the flame-retardant optical cable is used in central tubular as claimed in claim 1 colliery, it is characterized in that, said metal compound belt (5) adopts the metal compound belt of two-sided plastic-coated.
5. the flame-retardant optical cable is used in central tubular as claimed in claim 1 colliery, it is characterized in that, said reinforcement (6) adopts the phosphatization steel wire to make.
6. the flame-retardant optical cable is used in central tubular as claimed in claim 1 colliery, it is characterized in that, said inner sheath (7) adopts black low-smoke non-halogen flame-retardant polyethylene sheath material to make.
7. the flame-retardant optical cable is used in central tubular as claimed in claim 1 colliery, it is characterized in that, said flame retardant coating (8) adopts potteryization fireproof electric wire silicon rubber to make.
8. the flame-retardant optical cable is used in central tubular as claimed in claim 1 colliery, it is characterized in that, said flame retardant coating (8) is fire-resistant isinglass belt or high flame retardant spun glass rope band.
9. the flame-retardant optical cable is used in central tubular as claimed in claim 1 colliery, it is characterized in that, said fire-retardant oversheath (9) adopts blue low-smoke non-halogen flame-retardant polyethylene sheath material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203022127U CN202305923U (en) | 2011-08-19 | 2011-08-19 | Central tube type flame-retardant and fire-resistant optical cable for mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203022127U CN202305923U (en) | 2011-08-19 | 2011-08-19 | Central tube type flame-retardant and fire-resistant optical cable for mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305923U true CN202305923U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203022127U Expired - Lifetime CN202305923U (en) | 2011-08-19 | 2011-08-19 | Central tube type flame-retardant and fire-resistant optical cable for mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305923U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293618A (en) * | 2013-05-23 | 2013-09-11 | 浙江汉维通信器材有限公司 | High-temperature-resistant flame-retardant wear-resistant optical cable |
| CN103760650A (en) * | 2014-01-27 | 2014-04-30 | 江苏永鼎股份有限公司 | Highly flame-retardant and fire-retardant cable |
| 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 |
| CN105223666A (en) * | 2015-10-12 | 2016-01-06 | 中天科技装备电缆有限公司 | The fire-retardant water-fast flame cable of a kind of radioresistance |
| CN106104346A (en) * | 2013-12-30 | 2016-11-09 | 康宁光电通信有限责任公司 | There are the fiber optic cables of inflaming retarding membrane |
| CN110007414A (en) * | 2019-05-07 | 2019-07-12 | 成都亨通光通信有限公司 | Light-duty cell is registered one's residence leading in cable |
| CN110111939A (en) * | 2019-04-22 | 2019-08-09 | 浙江联创如意电缆股份有限公司 | A kind of fire resisting optoelectronic composite cable |
-
2011
- 2011-08-19 CN CN2011203022127U patent/CN202305923U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293618A (en) * | 2013-05-23 | 2013-09-11 | 浙江汉维通信器材有限公司 | High-temperature-resistant flame-retardant wear-resistant optical cable |
| CN103293618B (en) * | 2013-05-23 | 2015-11-25 | 浙江汉维通信器材有限公司 | A kind of High-temperature-resflame-retardant flame-retardant wear-resistant optical cable |
| CN106104346A (en) * | 2013-12-30 | 2016-11-09 | 康宁光电通信有限责任公司 | There are the fiber optic cables of inflaming retarding membrane |
| EP3367150A1 (en) * | 2013-12-30 | 2018-08-29 | Corning Optical Communications LLC | Film for a flame-retardant fiber optic cable |
| CN103760650A (en) * | 2014-01-27 | 2014-04-30 | 江苏永鼎股份有限公司 | Highly flame-retardant and fire-retardant cable |
| 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 |
| CN105223666A (en) * | 2015-10-12 | 2016-01-06 | 中天科技装备电缆有限公司 | The fire-retardant water-fast flame cable of a kind of radioresistance |
| CN110111939A (en) * | 2019-04-22 | 2019-08-09 | 浙江联创如意电缆股份有限公司 | A kind of fire resisting optoelectronic composite cable |
| CN110007414A (en) * | 2019-05-07 | 2019-07-12 | 成都亨通光通信有限公司 | Light-duty cell is registered one's residence leading in 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 |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |