CN206907543U - A kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable - Google Patents

A kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable Download PDF

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Publication number
CN206907543U
CN206907543U CN201720629974.5U CN201720629974U CN206907543U CN 206907543 U CN206907543 U CN 206907543U CN 201720629974 U CN201720629974 U CN 201720629974U CN 206907543 U CN206907543 U CN 206907543U
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China
Prior art keywords
optical fiber
flame retardant
environmental protection
voltage cable
fiber composite
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CN201720629974.5U
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Chinese (zh)
Inventor
胡凌飞
曲洪普
张建坡
魏承宾
姜露
陈双厚
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Henan Tongda Cable Co Ltd
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Henan Tongda Cable Co Ltd
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Priority to CN201720629974.5U priority Critical patent/CN206907543U/en
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Abstract

The utility model belongs to electric wire field, proposes a kind of novel environment friendly fire-resistant waterproof optical fiber composite low-voltage cable.A kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable proposed, described composite low-voltage cable have cable core;Described cable core is multiple;Each described cable core includes copper conductor and insulating barrier;It is characterized in that:Gasket for packing is filled between multiple described cable cores;Multiple described cable cores are twisted with two optical fiber to be integrated, and is coated with fire-retardant lapping layer in described cable core and outer fiber;The outside of the fire-retardant lapping layer coats water blocking layer, sheath, armor and outer jacket successively from inside to outside.It can meet construction of intelligent community demand to the utility model, reach transmission electric power and Transmission Fibers signal, save the function of laid down cost, while environmentally friendly with material, have the excellent properties of fire-resistant waterproof concurrently again, meet the use demand of complex environment special occasions.

Description

A kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable
Technical field
The utility model belongs to technical field of electric wires and cables, and in particular to a kind of environmental protection flame retardant waterproof optical fiber composite low-pressure electricity Cable.
Background technology
Urbanization process is accelerated development, and country also progressively increases the construction to intelligent grid.The construction of intelligent grid, it will push away The development of dynamic intelligent residential district, intelligent city, lifts the quality of the life of people, meets the growing material and cultural needs of people. The construction of intelligent grid expedites the emergence of power optical fiber to family (PFTTH), and realizes intelligent grid power optical fiber and passed to the key of house-to-house Defeated product is optical fiber composite low-voltage cable.Meanwhile the high stratification of domestic newly-built commercial house more, it is the high-rise close of 30 multilayers mostly Collect cell.For security consideration, high-rise cell auxiliary products compare for performance requirements such as nontoxic, low cigarette, fire-retardant, waterproofs Height, need a kind of new cable for meeting use demand of research and development badly for this.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to propose a kind of environmental protection flame retardant waterproof optical fiber composite low-pressure Cable, makes it to meet construction of intelligent community demand, and and can has the excellent properties of environmental protection flame retardant waterproof concurrently.
The utility model adopts the following technical scheme that to complete above-mentioned purpose:
A kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable, described composite low-voltage cable have cable core;Described cable Core is multiple;Each described cable core includes copper conductor and insulating barrier;Gasket for packing is filled between multiple described cable cores;It is more Individual described cable core is twisted with two optical fiber to be integrated, and is coated with fire-retardant lapping layer in described cable core and outer fiber;Institute The outside for stating fire-retardant lapping layer coats water blocking layer, sheath, armor and outer jacket successively from inside to outside.
A tear rope is longitudinally dragged between described armor and outer jacket.
The copper conductor is twisted to press and formed using annealed copper monofilament, and conductor is all designed as circle, copper monofilament elongation Not less than 30%, the Ω mm of resistivity≤0.017202/m。
The insulating barrier is extruded using one-step silane cross-linked polyethylene Insulation Material and formed.
Described optical fiber uses the core fibre structure of central tubular 6, and optical fiber laser propagation effect is excellent.
The gasket for packing uses water blocking yarn, ensures certain efficiency that blocks water.
The fire-retardant lapping layer uses thickness overlapping wrapped for 0.17mm high fire-retardance bands, and wrapped cap rate is not less than 25%。
The water blocking layer uses thickness overlapping wrapped for 0.3mm waterstop, and wrapped cap rate is not less than 25%.
The sheath is extruded using low density polyethylene (LDPE) Insulation Material and formed.
Double-layer gap is wrapped forms using hot-galvanized steel band for the armor, and clearance rate is controlled between 40%~50%.
The outer jacket is extruded using low-smoke and halogen-free flame retardant polyolefin jacket material and formed, Halogen performance:PH value >=4.3, electricity The μ s/mm of conductance≤10, low smoke performance:Light transmittance >=60%.
The utility model proposes a kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable, using above-mentioned technical proposal, tool Have the advantages that:
1st, fire-retardant lapping layer uses high fire-retardance band material, and this kind of material contains glass fiber layer, has excellent resistance Fire performance.
2nd, using the preferable water blocking yarn that absorbs water as filling, while wrapped waterstop, inner sheath are low close using water preventing ability Polyethylene is spent, many kinds of measures greatly improves overall block-water performance.
3rd, there is the spy that fire resistance is excellent, smog is few, nontoxic as outer jacket using low-smoke halide-free fireproof composite polyolefine material Property, meet the use demand of special occasions.
Brief description of the drawings
Fig. 1 the utility model structure diagrams.
In figure:1st, copper conductor, 2, insulating barrier, 3, fire-retardant lapping layer, 4, water blocking layer, 5, sheath, 6, tear rope, 7, armour Fill layer, 8, optical fiber, 9, gasket for packing, 10, outer jacket.
Embodiment
The utility model is illustrated with reference to the drawings and specific embodiments:
As shown in figure 1, a kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable, described composite low-voltage cable have cable Core;Described cable core is multiple;Each described cable core includes copper conductor 1 and insulating barrier 2;The copper conductor 1 is using annealing Copper monofilament is twisted to press and formed, and conductor is all designed as circle, and copper monofilament elongation is not less than 30%, resistivity≤0.01720 Ω•mm2/m;It ensure that optical fiber 8 is not easy to receive pressure and twisting resistance and fracture in cabling process;The insulating barrier 2 uses silane Cross-linked polyethylene insulating material, which extrudes, to be formed, it is ensured that deformation rate meets standard requirement after heat extension and cooling;Multiple described cable cores Between be filled with gasket for packing 9;Described gasket for packing 9 using highly expanded type the yarn material that blocks water, it is nonhygroscopic under conventional environment, be easy to Storage, its rapid spatial expansion after moisture enters, stranding gap is fully filled with, blocks water to flow into, by water blocking the one of very little In segment limit, so as to realize water stop function;Multiple described cable cores are twisted with two optical fiber 8 to be integrated, and in described cable core Fire-retardant lapping layer 3 is coated with the outside of optical fiber 8;The fire-retardant lapping layer 3 use thickness for 0.17mm high fire-retardance bands it is overlapping around Bag, wrapped cap rate are not less than 25%;Fire-retardant lapping layer 3 is up to 65 high fire-retardance around packaging material using oxygen index (OI), includes glass Silk fiber and fire retardant, there is excellent fire resistance;The outside of the fire-retardant lapping layer 3 coats water blocking layer successively from inside to outside 4th, sheath 5, armor 7 and outer jacket 10.
The tear rope 6 of one is longitudinally dragged between described armor 7 and outer jacket 10, is easy to the stripping of sheath.
Described optical fiber 8 is excellent using the core fibre structure of central tubular 6, optical fiber laser propagation effect.
The gasket for packing 9 uses water blocking yarn, ensures certain efficiency that blocks water.
The water blocking layer 4 uses thickness overlapping wrapped for 0.3mm waterstop, and wrapped cap rate is not less than 25%.
The sheath 5 is extruded using low density polyethylene (LDPE) Insulation Material and formed, and has good block-water performance.
Double-layer gap is wrapped forms using hot-galvanized steel band for the armor 7, and clearance rate is controlled between 40%~50%.
The outer jacket 10 is extruded using low-smoke and halogen-free flame retardant polyolefin jacket material and formed.

Claims (10)

1. a kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable, described composite low-voltage cable have cable core;Described cable core To be multiple;Each described cable core includes copper conductor and insulating barrier;It is characterized in that:It is filled between multiple described cable cores Gasket for packing;Multiple described cable cores are twisted with two optical fiber to be integrated, and is coated with outer fiber in described cable core fire-retardant Lapping layer;The outside of the fire-retardant lapping layer coats water blocking layer, sheath, armor and outer jacket successively from inside to outside.
A kind of 2. environmental protection flame retardant waterproof optical fiber composite low-voltage cable as claimed in claim 1, it is characterised in that:Described armouring A tear rope is longitudinally dragged between layer and outer jacket.
A kind of 3. environmental protection flame retardant waterproof optical fiber composite low-voltage cable as claimed in claim 1, it is characterised in that:The copper conductor Using annealed copper monofilament it is twisted press form, conductor is all designed as circle, and copper monofilament elongation is not less than 30%, resistivity≤ 0.01720Ω•mm2/m。
A kind of 4. environmental protection flame retardant waterproof optical fiber composite low-voltage cable as claimed in claim 1, it is characterised in that:The insulating barrier Extruded and formed using one-step silane cross-linked polyethylene Insulation Material.
A kind of 5. environmental protection flame retardant waterproof optical fiber composite low-voltage cable as claimed in claim 1, it is characterised in that:The gasket for packing Using water blocking yarn.
A kind of 6. environmental protection flame retardant waterproof optical fiber composite low-voltage cable as claimed in claim 1, it is characterised in that:It is described it is fire-retardant around Covering uses thickness overlapping wrapped for 0.17mm high fire-retardance bands, and wrapped cap rate is not less than 25%.
A kind of 7. environmental protection flame retardant waterproof optical fiber composite low-voltage cable as claimed in claim 1, it is characterised in that:The water blocking layer Use thickness overlapping wrapped for 0.3mm waterstop, wrapped cap rate is not less than 25%.
A kind of 8. environmental protection flame retardant waterproof optical fiber composite low-voltage cable as claimed in claim 1, it is characterised in that:The sheath Extruded and formed using low density polyethylene (LDPE) Insulation Material.
A kind of 9. environmental protection flame retardant waterproof optical fiber composite low-voltage cable as claimed in claim 1, it is characterised in that:The armor Using hot-galvanized steel band, Double-layer gap is wrapped forms, and clearance rate is controlled between 40%~50%.
A kind of 10. environmental protection flame retardant waterproof optical fiber composite low-voltage cable as claimed in claim 1, it is characterised in that:The outer shield Layer is extruded using low-smoke and halogen-free flame retardant polyolefin jacket material to be formed, Halogen performance:PH value >=4.3, the μ of electrical conductivity≤10 s/mm are low Smoke performance:Light transmittance >=60%.
CN201720629974.5U 2017-06-02 2017-06-02 A kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable Active CN206907543U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720629974.5U CN206907543U (en) 2017-06-02 2017-06-02 A kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720629974.5U CN206907543U (en) 2017-06-02 2017-06-02 A kind of environmental protection flame retardant waterproof optical fiber composite low-voltage cable

Publications (1)

Publication Number Publication Date
CN206907543U true CN206907543U (en) 2018-01-19

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111415774A (en) * 2020-03-16 2020-07-14 浙江万马股份有限公司 Dynamically-adjusted multi-core optical fiber composite self-suspension cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111415774A (en) * 2020-03-16 2020-07-14 浙江万马股份有限公司 Dynamically-adjusted multi-core optical fiber composite self-suspension cable
CN111415774B (en) * 2020-03-16 2021-08-17 浙江万马股份有限公司 Dynamically-adjusted multi-core optical fiber composite self-suspension cable

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