CN103824634A - Low-smoke low-halogen flame retardant power cable - Google Patents
Low-smoke low-halogen flame retardant power cable Download PDFInfo
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- CN103824634A CN103824634A CN201410062687.1A CN201410062687A CN103824634A CN 103824634 A CN103824634 A CN 103824634A CN 201410062687 A CN201410062687 A CN 201410062687A CN 103824634 A CN103824634 A CN 103824634A
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Abstract
The invention provides a low-smoke low-halogen flame retardant power cable which comprises a cable core, an inner protection sleeve, a mica tape layer, a metal reinforcing layer and an outer protection sleeve from inside to outside in sequence. The cable core comprises a conductor, halogen-free flame retardant tape, an insulating layer and a mica tape covered layer from inside to outside in sequence, and the insulating layer and the inner protection layer are both made of low-smoke low-halogen flame retardant materials. The low-smoke low-halogen flame retardant power cable has the advantages of being high in strength, low in smoke, low in halogen, good in flame retardant performance, high in practicality, simple in structure and easy to process, improving work efficiency, being low in cost and saving manufacturing cost.
Description
Technical field
The invention belongs to field of cables, be specifically related to a kind of low smoke and low halogen power cable.
Background technology
Cable is as the part of electrical system, and along with social fast development, some high precise equipments, subway, skyscraper are more and more higher to the requirement of cable, especially at low smoke and low halogen aspect of performance.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of low smoke and low halogen power cable, simple in structure, low smoke and low halogen is functional, easily processing, and cost is low, practical.
The object of this invention is to provide a kind of low smoke and low halogen power cable, described cable and interior core, inner sheath, mica belt, metal shielding, the oversheath of outwards comprising successively; Described core comprises conductor, halogen-free flameproof band, insulating barrier and Mica tape layer from inside to outside successively; Described insulating barrier and inner sheath all adopt low smoke and low halogen sizing material.
Further improvement of the present invention is: described metal shielding is the vertical pack arrangement of bimetallic strip, and the wrapped bonding station of inside and outside double layer of metal band is not overlapping, and described oversheath is the fire-retardant polyolefin jacket of low halogen.
Further improvement of the present invention is: described mica belt and metal shielding are provided with fire resistance fibre resilient coating.
Further improvement of the present invention is: the quantity of described core is at least two, and all cores are in one line or symmetrical.
Further improvement of the present invention is: between described adjacent core, be provided with gap.
Further improvement of the present invention is: described low smoke and low halogen sizing material is made up of the raw material of following parts by weight: 100 parts of polyvinyl resins, hydration zinc borate 30-40 part, aluminium hydroxide 50-80 part, phosphate 5-15 part, cyclopentadienyl group iron 5-15 part, molybdate compound 5-15 part, calcium carbonate 5-9 part, phosphate plasticizer 0.5-2 part, polyesters plasticizer 0.5-2 part, plasticizer DOP 1-2 part, antioxidant MB 0.8-1.5 part, anti-aging agent RD 1-2 part, paraffin oil 7-10 part, vulcanization aid 1-3 part, mica powder 8-12 part.
Further improvement of the present invention is: described polyvinyl resin is the hybrid resin of any weight ratio of one or both in linear polyethylene resin, elastic polyethylene resin.
Beneficial effect of the present invention: this cable has high strength, low smoke and low halogen is functional, practical; And simple in structure, easily processing, has improved operating efficiency; Cost is low, has saved manufacturing cost.
Accompanying drawing explanation
Fig. 1 is that in the present invention, core is structural representation in one line.
Fig. 2 is the structural representation that in the present invention, core is symmetric.
Wherein: 1-core, 2-inner sheath, 3-mica belt, 4-metal shielding, 5-oversheath, 6-fire resistance fibre resilient coating, 10-conductor, 11-halogen-free flameproof band, 12-insulating barrier, 13-Mica tape layer.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
As shown in Figure 1, the present embodiment provides a kind of low smoke and low halogen power cable, described cable and interior core 1, inner sheath 2, mica belt 3, metal shielding 4, the oversheath 5 of outwards comprising successively; It is oblate that oversheath 5 is, and described core 1 comprises conductor 10, halogen-free flameproof band 11, insulating barrier 12 and Mica tape layer 13 from inside to outside successively; Described insulating barrier 12 and inner sheath 2 all adopt low smoke and low halogen sizing material, and inner sheath 2 is integral-filled between core 1, can effectively strengthen the mechanical strength of cable, and make cable have good low-smoke low-halogen and fire resistance.Described metal shielding 4 is the vertical pack arrangement of bimetallic strip, and the wrapped bonding station of inside and outside double layer of metal band is not overlapping, ensures that cable has high strength; Described oversheath 5 is the fire-retardant polyolefin jacket of low halogen.Described mica belt 3 is provided with fire resistance fibre resilient coating 6 with metal shielding 4, and the distortion that metal shielding 4 is caused under powerful External Force Acting cushions.The quantity of described core 1 is two, and all cores 1 are in one line.Between described adjacent core 1, be provided with gap, make core 1 can have separate space, can effectively strengthen the mechanical strength of cable, and be conducive to the extrusion packing of inner sheath 2.
Described low smoke and low halogen sizing material is made up of the raw material of following parts by weight: 100 parts of polyvinyl resins, 30 parts of hydration zinc borates, 80 parts, aluminium hydroxide, 8 parts of phosphate, 10 parts of cyclopentadienyl group iron, 15 parts of molybdate compounds, 7 parts, calcium carbonate, 1 part of phosphate plasticizer, 1.2 parts, polyesters plasticizer, 2 parts of plasticizer DOPs, 1 part of antioxidant MB, 2 parts of anti-aging agent RDs, 7 parts of paraffin oils, 2 parts of vulcanization aids, 10 parts of mica powders.Described polyvinyl resin is the hybrid resin that the weight ratio of linear polyethylene resin and elastic polyethylene resin is 1:1.Increase the resistance to elevated temperatures that mica powder can effectively strengthen sizing material, and adopt hydration zinc borate and aluminium hydroxide as fire retardant, adopt phosphate, cyclopentadienyl group iron, molybdate compound, calcium carbonate as antismoke agent, adopt phosphate plasticizer, polyesters plasticizer and plasticizer DOP as plasticizer, make cable under the prerequisite that meets other physical properties, can effectively strengthen the low smoke and low halogen performance of cable.
The cable that the present embodiment provides has high strength, low smoke and low halogen is functional, practical; And simple in structure, easily processing, has improved operating efficiency; Cost is low, has saved manufacturing cost.
Claims (7)
1. a low smoke and low halogen power cable, is characterized in that: described cable and interior core (1), inner sheath (2), mica belt (3), metal shielding (4), the oversheath (5) of outwards comprising successively; Described core (1) comprises conductor (10), halogen-free flameproof band (11), insulating barrier (12) and Mica tape layer (13) from inside to outside successively; Described insulating barrier (12) and inner sheath (2) all adopt low smoke and low halogen sizing material.
2. a kind of low smoke and low halogen power cable as claimed in claim 1, it is characterized in that: described metal shielding (4) is the vertical pack arrangement of bimetallic strip, and the wrapped bonding station of inside and outside double layer of metal band is not overlapping, described oversheath (5) is the fire-retardant polyolefin jacket of low halogen.
3. a kind of low smoke and low halogen power cable as claimed in claim 1, is characterized in that: described mica belt (3) is provided with fire resistance fibre resilient coating (6) with metal shielding (4).
4. a kind of low smoke and low halogen power cable as claimed in claim 1, it is characterized in that: the quantity of described core (1) is at least two, and all cores (1) is in one line or symmetrical.
5. a kind of low smoke and low halogen power cable as claimed in claim 4, is characterized in that: between described adjacent core (1), be provided with gap.
6. a kind of low smoke and low halogen power cable as claimed in claim 1, it is characterized in that: described low smoke and low halogen sizing material is made up of the raw material of following parts by weight: 100 parts of polyvinyl resins, hydration zinc borate 30-40 part, aluminium hydroxide 50-80 part, phosphate 5-15 part, cyclopentadienyl group iron 5-15 part, molybdate compound 5-15 part, calcium carbonate 5-9 part, phosphate plasticizer 0.5-2 part, polyesters plasticizer 0.5-2 part, plasticizer DOP 1-2 part, antioxidant MB 0.8-1.5 part, anti-aging agent RD 1-2 part, paraffin oil 7-10 part, vulcanization aid 1-3 part, mica powder 8-12 part.
7. a kind of low smoke and low halogen power cable as claimed in claim 6, is characterized in that: described polyvinyl resin is the hybrid resin of any weight ratio of one or both in linear polyethylene resin, elastic polyethylene resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062687.1A CN103824634B (en) | 2014-02-25 | 2014-02-25 | A kind of low smoke and low halogen power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062687.1A CN103824634B (en) | 2014-02-25 | 2014-02-25 | A kind of low smoke and low halogen power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103824634A true CN103824634A (en) | 2014-05-28 |
| CN103824634B CN103824634B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410062687.1A Active CN103824634B (en) | 2014-02-25 | 2014-02-25 | A kind of low smoke and low halogen power cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112500A (en) * | 2014-07-04 | 2014-10-22 | 安徽华电线缆集团有限公司 | Environment-friendly and safe low-smoke halogen-free flame-retardant fire-resistant control cable |
| CN105679440A (en) * | 2015-10-15 | 2016-06-15 | 安徽双诚电线电缆有限公司 | Aluminium type stranded wire with high tensile strength |
| CN105679431A (en) * | 2015-10-15 | 2016-06-15 | 安徽双诚电线电缆有限公司 | Weather-proof type aluminium alloy overhead cable with composite resin sheath |
| CN106098220A (en) * | 2015-06-09 | 2016-11-09 | 苏州高精特专信息科技有限公司 | A kind of fire protection flame retarding cable |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719552A (en) * | 2005-06-17 | 2006-01-11 | 宝胜科技创新股份有限公司 | Fire isolation layer fire-proof digital signal cable |
| GB2448778A (en) * | 2007-05-18 | 2008-10-29 | Draka Uk Ltd | Fire-resistant Cable |
| CN202736564U (en) * | 2012-07-24 | 2013-02-13 | 于洪才 | Low voltage fireproof power cable |
-
2014
- 2014-02-25 CN CN201410062687.1A patent/CN103824634B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719552A (en) * | 2005-06-17 | 2006-01-11 | 宝胜科技创新股份有限公司 | Fire isolation layer fire-proof digital signal cable |
| GB2448778A (en) * | 2007-05-18 | 2008-10-29 | Draka Uk Ltd | Fire-resistant Cable |
| CN202736564U (en) * | 2012-07-24 | 2013-02-13 | 于洪才 | Low voltage fireproof power cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112500A (en) * | 2014-07-04 | 2014-10-22 | 安徽华电线缆集团有限公司 | Environment-friendly and safe low-smoke halogen-free flame-retardant fire-resistant control cable |
| CN106098220A (en) * | 2015-06-09 | 2016-11-09 | 苏州高精特专信息科技有限公司 | A kind of fire protection flame retarding cable |
| CN105679440A (en) * | 2015-10-15 | 2016-06-15 | 安徽双诚电线电缆有限公司 | Aluminium type stranded wire with high tensile strength |
| CN105679431A (en) * | 2015-10-15 | 2016-06-15 | 安徽双诚电线电缆有限公司 | Weather-proof type aluminium alloy overhead cable with composite resin sheath |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103824634B (en) | 2016-05-04 |
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