CN202217091U - Stranded flame-retardant optical cable for coal mines - Google Patents
Stranded flame-retardant optical cable for coal mines Download PDFInfo
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- CN202217091U CN202217091U CN201120302224XU CN201120302224U CN202217091U CN 202217091 U CN202217091 U CN 202217091U CN 201120302224X U CN201120302224X U CN 201120302224XU CN 201120302224 U CN201120302224 U CN 201120302224U CN 202217091 U CN202217091 U CN 202217091U
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- retardant
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- optical cable
- colliery
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Abstract
The utility model discloses a stranded flame-retardant optical cable for coal mines, which comprises a reinforcement (1) and a plurality of loose tubes (2) stranded around the reinforcement (1), optical fibers or an optical fiber ribbon (3) is arranged in each loose tube (2), the loose tubes (2) are wrapped by a braided yarn layer (4), water-blocking substance (5) is filled in both the braided yarn layer (4) and the loose tubes (2), the braided yarn layer (4) is longitudinally wrapped by a layer of metal composite strap (6), an inner sheath (7) is arranged outside the metal composite strap (6), a flame-retardant layer (8) is arranged outside the inner sheath (7), and an outer sheath (9) is arranged outside the flame-retardant layer (8). The flame-retardant property of the stranded flame-retardant optical cable for coal mines is enhanced, and thereby the optical cable can guarantee effective communication as long as possible when being burnt by high-temperature big fire for a long time.
Description
Technical field
The utility model relates to the communications optical cable field, is specifically related to a kind of layer-twisted type colliery and uses the flame-retardant optical cable.
Background technology
Existing colliery is made up of layer-twisted type cable core and sheath with the structure of flame-retardant layer stranded cables.Sheath is divided into inner sheath and oversheath is two-layer, and inner sheath is extruded by common polyethylene sheath material or flame-proof material and forms, and extrudes the low-smoke non-halogen flame-retardant pe sheath after oversheath wraps by steel band is vertical and forms.The colliery mainly relies on outermost flame-proof polyethylene sheath to play fire-retardant purpose with fire-retardant cable under the prior art.The fire resistance of existing structure optical cable can not reach very high requirement, and does not have fire performance.
The utility model content
The technical matters that (one) will solve
The technical matters that the utility model will solve is how to improve the flame-retardant performance of colliery with the flame-retardant layer-stranding cable, and the assurance optical cable can be tried one's best under the long-time burning of big fire high temperature and guaranteed that for a long time communication is unimpeded.
(2) technical scheme
For solving the problems of the technologies described above, provide a kind of layer-twisted type colliery to use the flame-retardant optical cable, comprise reinforcement; Be stranded in said reinforcement some loose sleeve pipe on every side; In each said loose sleeve pipe, arrange optical fiber or fibre ribbon, be wrapped with the bundle layer, in said bundle layer and said loose sleeve pipe, all be filled with the material that blocks water at said some loose sleeve pipes; Vertical bag layer of metal composite band outside said bundle layer; Outside said metal compound belt, inner sheath is set, outside said inner sheath, flame retardant coating is set, outside said flame retardant coating, oversheath is set.
Preferably, said loose sleeve pipe is more than four or four.
Preferably, the said material that blocks water is greasy for preventing water, water blocking yarn or waterstop.
Preferably, said metal compound belt is composite steel-plastic belt or aluminium-plastic tape.
Preferably, said reinforcement adopts the phosphatization steel wire to make.
Preferably, said inner sheath adopts black low-smoke non-halogen flame-retardant tygon to process.
Preferably, said oversheath adopts blue low-smoke non-halogen flame-retardant tygon to process.
Preferably, said optical fiber is single-mode fiber or multimode optical fiber.
Preferably, said optical fiber has various colors.
Preferably, said flame retardant coating adopts fire-resistant mica or potteryization fireproof electric wire silicon rubber or high flame retardant spun glass rope band to make.
(3) beneficial effect
The flame-retardant optical cable is used in the layer-twisted type colliery of the utility model; On the basis of existing colliery fire-retardant cable; Increased the refractory protection that one deck is made up of pottery fireproof electric wire silicon rubber, potteryization fireproof electric wire silicon rubber has extraordinary fire prevention, fire-resistant, fire-retardant, low cigarette, nontoxic performance, and the 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.Double-deck flame-retardant protection in the optical cable with the optical fiber in the better protection optical cable or fibre ribbon can be for more time under the burning of high temperature and big fire work, the minimizing economic loss.When fire resistive materials such as use fire-resistant isinglass belt are wrapped, also can play good fire resistance properties.To different application environments, but the mode that the blocks water flexible Application of loose sleeve pipe is filled waterproofing unction or water blocking yarn, makes optical cable be fit to applied environment more widely.
Description of drawings
Fig. 1 accordings to the structural representation of the layer-twisted type colliery of the utility model embodiment with the flame-retardant optical cable.
Wherein, 1: reinforcement; 2: loose sleeve pipe; 3: optical fiber or fibre ribbon; 4: prick layer; 5: material blocks water; 6: metal compound belt; 7: inner sheath; 8: flame retardant coating; 9: oversheath.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.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 colliery to use the flame-retardant optical cable, comprises reinforcement 1; Be stranded in reinforcement 1 some loose sleeve pipe 2 on every side; In each loose sleeve pipe 2, arrange optical fiber or fibre ribbon 3, be wrapped with at some loose sleeve pipes 2 and prick layer 4, in pricking layer 4 and loose sleeve pipe 2, all be filled with the material 5 that blocks water; Vertical bag layer of metal composite band 6 outside pricking layer 4; Inner sheath 7 is set outside metal compound belt 6, flame retardant coating 8 is set outside inner sheath 7, oversheath 9 is set outside flame retardant coating 8.
The utility model layer-twisted type colliery is between oversheath and inner sheath, to have increased the flame retardant coating that one deck is made up of pottery fireproof electric wire silicon rubber again with the characteristics of flame-retardant optical cable; When less demanding; This flame retardant coating can be with wrapped processing with fire-resistant isinglass belt etc. is fire-resistant, and optical cable is played better flame-retardant protective effect.
The cable core structure of optical cable adopts the layer-twisted type structure; Optical fiber or fibre ribbon 3 with different colours; Can be single-mode fiber or fibre ribbon or multimode optical fiber or fibre ribbon; Be inserted in the loose sleeve pipe 2, can adopt two kinds of waterproof types in the loose sleeve pipe 2: first kind of mode is to adopt prior art in each loose sleeve pipe, to fill waterproofing compound, is generally optical fiber and uses ointment; The second way is to adopt the dry type stop water, fills other materials that block water in loose sleeve pipe the inside, adopts water blocking yarn usually.Loose sleeve pipe 2 more than four or four or gasket for packing are stranded in around the reinforcement 1 of a circle, and reinforcement 1 can extrude the suitable bed course of thickness in case of necessity, so that stranded rounding.Central reinforce member can adopt the phosphatization steel wire.Optical fiber and fine cream adopt the different model specification according to different needs, and factice for filling makes optical fiber or fibre ribbon in loose sleeve pipe, can obtain better protection.The pine sleeve pipe uses PBT (polybutylene terephthalate) or PP (acrylic plastering) material to process, the little external force effect that receives of trying one's best of protection optical fiber or fibre ribbon.The greasy for preventing water of filling plays and prevents the vertically protective effect of infiltration.Prick the fixing cable core that forms of yarn at loose sleeve pipe 2 or gasket for packing external application.With pricking yarn the beam tube after stranded is being bundled in the middle of the process of the stranded stranding of beam tube, making several beam tubes better become as a whole, increasing the mechanical propertys such as tension of optical cable.Adopting the suitable material 5 that blocks water at the gap location of cable core, can be to fill greasy for preventing water or with water blocking yarn or waterstop.Outside vertical again bag layer of metal composite band 6, composite steel-plastic belt or aluminium-plastic tape that this metal compound belt 6 can be two-sided plastic-coated.Squeeze inner sheath 7 then; Inner sheath 7 can with fire proofing or not fire proofing extrude; Inner sheath 7 skins extrude flame retardant coatings 8 such as protective seam that one deck is made up of pottery fireproof silicon rubber or wrapped fire-resistant isinglass belt again, extrude the low-smoke non-halogen flame-retardant pe sheath at last as oversheath 9 strandings.Inner sheath 7 can adopt black low-smoke non-halogen flame-retardant tygon material to extrude to form and play better fire-retardant protective effect.Flame retardant coating 8 adopts novel polymer composite " potteryization fireproof electric wire silicon rubber " to extrude, and effectively plays the effect of flame-retardant.Oversheath 9 adopts blue low-smoke non-halogen flame-retardant polyethylene sheath material to extrude and forms, and blue fire retardant jacket helps the differentiation with other cables, also has good tensile property and fire resistance simultaneously.
The flame-retardant optical cable is used in the layer-twisted type colliery of the utility model; On the basis of existing colliery fire-retardant cable; Increased the refractory protection that one deck is made up of pottery fireproof electric wire silicon rubber, potteryization fireproof electric wire silicon rubber has extraordinary fire prevention, fire-resistant, fire-retardant, low cigarette, nontoxic performance, and the 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.Double-deck flame-retardant protection in the optical cable with the optical fiber in the better protection optical cable or fibre ribbon can be for more time under the burning of high temperature and big fire work, the minimizing economic loss.When fire resistive materials such as use fire-resistant isinglass belt are wrapped, also can play good fire resistance properties.To no applied environment, but the mode that the blocks water flexible Application of loose sleeve pipe is filled waterproofing unction or water blocking yarn, makes optical cable obtain being fit to more applied environment.
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 (10)
1. the flame-retardant optical cable is used in a layer-twisted type colliery, it is characterized in that, comprises reinforcement (1); Be stranded in said reinforcement (1) some loose sleeve pipe (2) on every side; In each said loose sleeve pipe (2), arrange optical fiber or fibre ribbon (3), be wrapped with at said some loose sleeve pipes (2) and prick layer (4), in said bundle layer (4) and said loose sleeve pipe (2), all be filled with the material that blocks water (5); Vertical bag layer of metal composite band (6) outside said bundle layer (4); Inner sheath (7) is set outside said metal compound belt (6), flame retardant coating (8) is set outside said inner sheath (7), oversheath (9) is set outside said flame retardant coating (8).
2. the flame-retardant optical cable is used in layer-twisted type as claimed in claim 1 colliery, it is characterized in that, said loose sleeve pipe (2) is more than four or four.
3. the flame-retardant optical cable is used in layer-twisted type as claimed in claim 1 colliery, it is characterized in that, the said material that blocks water is greasy for preventing water, water blocking yarn or waterstop.
4. the flame-retardant optical cable is used in layer-twisted type as claimed in claim 1 colliery, it is characterized in that, said metal compound belt (6) is composite steel-plastic belt or aluminium-plastic tape.
5. the flame-retardant optical cable is used in layer-twisted type as claimed in claim 1 colliery, it is characterized in that, said reinforcement (1) adopts the phosphatization steel wire to make.
6. the flame-retardant optical cable is used in layer-twisted type as claimed in claim 1 colliery, it is characterized in that, said inner sheath (7) adopts black low-smoke non-halogen flame-retardant tygon to process.
7. the flame-retardant optical cable is used in layer-twisted type as claimed in claim 1 colliery, it is characterized in that, said oversheath (9) adopts blue low-smoke non-halogen flame-retardant tygon to process.
8. the flame-retardant optical cable is used in layer-twisted type as claimed in claim 1 colliery, it is characterized in that, said optical fiber is single-mode fiber or multimode optical fiber.
9. the flame-retardant optical cable is used in layer-twisted type as claimed in claim 1 colliery, it is characterized in that, said optical fiber has various colors.
10. the flame-retardant optical cable is used in layer-twisted type as claimed in claim 1 colliery, 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 make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120302224XU CN202217091U (en) | 2011-08-19 | 2011-08-19 | Stranded flame-retardant optical cable for coal mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120302224XU CN202217091U (en) | 2011-08-19 | 2011-08-19 | Stranded flame-retardant optical cable for coal mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202217091U true CN202217091U (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120302224XU Expired - Lifetime CN202217091U (en) | 2011-08-19 | 2011-08-19 | Stranded flame-retardant optical cable for coal mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202217091U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037569A (en) * | 2017-12-29 | 2018-05-15 | 江苏俊知光电通信有限公司 | A kind of pressure-resistant optical cable of layer-twisted type and preparation method thereof |
| CN112198605A (en) * | 2020-09-11 | 2021-01-08 | 铜陵市铜都特种线缆有限公司 | Double-core flat optical cable and production device thereof |
| CN112799190A (en) * | 2021-01-26 | 2021-05-14 | 江苏通鼎光电科技有限公司 | Flame-retardant fireproof communication optical cable and preparation method thereof |
| CN113568119A (en) * | 2021-07-14 | 2021-10-29 | 烽火通信科技股份有限公司 | Dry-type all-dielectric fire-resistant optical cable and manufacturing method thereof |
-
2011
- 2011-08-19 CN CN201120302224XU patent/CN202217091U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037569A (en) * | 2017-12-29 | 2018-05-15 | 江苏俊知光电通信有限公司 | A kind of pressure-resistant optical cable of layer-twisted type and preparation method thereof |
| CN112198605A (en) * | 2020-09-11 | 2021-01-08 | 铜陵市铜都特种线缆有限公司 | Double-core flat optical cable and production device thereof |
| CN112799190A (en) * | 2021-01-26 | 2021-05-14 | 江苏通鼎光电科技有限公司 | Flame-retardant fireproof communication optical cable and preparation method thereof |
| CN113568119A (en) * | 2021-07-14 | 2021-10-29 | 烽火通信科技股份有限公司 | Dry-type all-dielectric fire-resistant optical cable and manufacturing method thereof |
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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: 20120509 |