CN104299714A - Low-smoke zero-halogen medium-voltage fire-resistant power cable - Google Patents
Low-smoke zero-halogen medium-voltage fire-resistant power cable Download PDFInfo
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- CN104299714A CN104299714A CN201410543710.9A CN201410543710A CN104299714A CN 104299714 A CN104299714 A CN 104299714A CN 201410543710 A CN201410543710 A CN 201410543710A CN 104299714 A CN104299714 A CN 104299714A
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Abstract
The invention discloses a low-smoke zero-halogen medium-voltage fire-resistant power cable. The power cable comprises a plurality of conductor cable bodies. Each conductor cable body comprises a conductor on the inner layer, wherein the conductor is wrapped in a conductor shielding layer, the conductor shielding layer is wrapped in an insulating layer, the insulating layer is wrapped in an insulating shielding layer, the insulating shielding layer is wrapped in a semiconductive water stop taped covering, and the semiconductive water stop taped covering is wrapped in a metal shielding layer. Gaps between the conductor cable bodies are filled with filler, the conductor cable bodies are wrapped in a wrapping tape layer, the wrapping tape layer is wrapped in a fire-resistant layer, the fire-resistant layer is wrapped in an oxygen isolation layer, and the oxygen isolation layer is wrapped in an outer protection layer. The low-smoke zero-halogen medium-voltage fire-resistant power cable is reasonable in structural design and excellent in fire resistance; when the cable burns, no toxic gas is generated, the density of smoke is small, and light transmittance is high; when in an outbreak of fire, personal and property safety can be effectively guaranteed, and loss is reduced.
Description
Technical field
The present invention relates to a kind of low-smoke halogen-free medium voltage fireproof power cable, particularly relate to the LSOH medium voltage power cable that a kind of fire resistance is stronger.
Background technology
Along with China's rate of economic development is very fast, the fail safe of intermediate distribution system under Fire Conditions of the important places such as hospital, nuclear power station, power plant, supermarket, super-huge skyscraper is all had higher requirement, and the transmission of low pressure fireproof power cable capacity can not meet user's request, in recent years, pressure fire-resisting cable demand got more and more.But release dense smoke during common fire-retardant medium-pressure power cable burning, release toxic gas, prolong combustion speed fast, reduce rescue time, Field Force can not withdraw safely and fast, once breaking out of fire, loss injures and deaths are comparatively large, thus can ensure when fire occurs cable line within a certain period of time safe operation be very important.
Summary of the invention
Goal of the invention: the object of the invention is, in order to solve deficiency of the prior art, to provide the low-smoke halogen-free medium voltage fireproof power cable of a kind of reasonable in design, excellent fire retarding performance.
Technical scheme: a kind of low-smoke halogen-free medium voltage fireproof power cable of the present invention, comprise the cable of some conductors, the cable of described conductor comprises the conductor of internal layer, described conductor outside is coated with conductor shield, described conductor shield outside is coated with insulating barrier, described insulating barrier outside is coated with insulation screen, and described insulation screen outside is coated with semi-conducting water-resistant tape layer, and described semi-conducting water-resistant tape layer outside is coated with metal screen layer; Filler is provided with in described conductor cable gap; described conductor cable outside is coated with belting layer; described belting layer outside is coated with flame retardant coating; described flame retardant coating outside is coated with oxygen barrier layer; described oxygen barrier layer outside is coated with protective layer; described protective layer comprises armour and external protection, or only includes external protection.
As optimization, described conductor adopts the one in the annealed copper conductor of aluminium conductor, aluminium alloy conductor, not metal cladding; Described conductor shield is by the semiconductive material extruded or bag semi-conductive tape and extrude semiconductive material and form.
As optimization, described insulating barrier adopts cross-linking polyethylene materials to be extruded in uniformly on conductor shield; Described insulation screen adopts and directly extrudes the not peelable or strippable semi-conductive layer with insulated wire cores.
As optimization, described semi-conducting water-resistant tape layer adopts the two-sided semiconductor waterstop of 0.5mm thickness; Described metal screen layer employing metal copper strips is wrapped or adopt wire to dredge around the screen with the wrapped stranded formation of metal tape.
As optimization, described filler adopts and the low smoke and zero halogen glass fiber rope of applicable cable operating temperature compatible mutually with cable insulation material.
As optimization, described belting layer adopts 0.2mm thickness low smoke and zero halogen glass fibre belt double-layer overlapping to put up wrapped formation.
As optimization, described flame retardant coating adopts fire-resisting ceramic silicone rubber to extrude and forms.
As optimization, described oxygen barrier layer is made up of low-smoke halogen-free polyolefin.
As optimization, described armour is made up of circle wire or metal tape.
As optimization, described external protection adopts wrapped the extruding with low-smoke halogen-free polyolefin material of low smoke and zero halogen glass fibre belt to form.
Beneficial effect: in low-smoke halogen-free medium voltage fire-resisting cable structure of the present invention, superiority is mainly manifested in high flame retardant packed layer, fire-retardant belting layer, flame retardant coating, oxygen barrier layer, outer jacket.Described packed layer adopts low smoke and zero halogen glass fiber rope to fill, described belting layer adopts the wrapped composition of low smoke and zero halogen glass fibre belt, and described flame retardant coating adopts fire-resisting ceramic silicone rubber to extrude, and fire-resisting ceramic silicone rubber is a kind of environment-friendly type new material, do not absorb water, nonhygroscopic, memory time is long; There is low cigarette, Halogen, without phosphorus nitrogen, heavy metal free, nontoxic, harmless, not melting drippage, do not prolong combustion, have extraordinary fire resistance; Flue gas toxity safe class reaches ZA level; At 650 DEG C ~ 3000 DEG C temperature, housing of complete hard by Low fire ceramic shape rapidly, ensures circuit in case of fire unimpeded; Described oxygen barrier layer adopts low-smoke halogen-free polyolefin oxygen barrier layered material, has good processing characteristics, excellent insulation property and fire resistance, does not discharge Lu's acid etc. to environmentally hazardous substance, from fire namely from putting out.Described outer jacket adopts low-smoke halogen-free polyolefin to extrude composition, long service life under normal circumstances, bends down cigarette, Halogen improve fire resistance in the condition of cable fire.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
A kind of low-smoke halogen-free medium voltage fireproof power cable as shown in Figure 1, comprises the cable of some conductors, and the cable of conductor comprises the conductor 1 of internal layer, and conductor 1 adopts the one in the annealed copper conductor of aluminium conductor, aluminium alloy conductor, not metal cladding.Conductor 1 outside is coated with conductor shield 2, and conductor shield 2 is by the semiconductive material extruded or bag semi-conductive tape and extrude semiconductive material and form.Conductor shield 2 outside is coated with insulating barrier 3, and insulating barrier 3 adopts cross-linking polyethylene materials to be extruded in uniformly on conductor shield 2.Insulating barrier 3 outside is coated with insulation screen 4, and insulation screen 4 adopts and directly extrudes the not peelable or strippable semi-conductive layer with insulated wire cores.Insulation screen 4 outside is coated with semi-conducting water-resistant tape layer 5, and semi-conducting water-resistant tape layer 5 adopts the two-sided semiconductor waterstop of 0.5mm thickness.Semi-conducting water-resistant tape layer 5 outside is coated with metal screen layer 6, metal screen layer 6 adopt metal copper strips wrapped or adopt wire dredge around the screen with the wrapped stranded formation of metal tape.Be provided with filler 7 in conductor cable gap, filler 7 adopts and the low smoke and zero halogen glass fiber rope of applicable cable operating temperature compatible mutually with cable insulation material.Conductor cable outside is coated with belting layer 8, and belting layer 8 adopts 0.2mm thickness low smoke and zero halogen glass fibre belt double-layer overlapping to put up wrapped formation.Belting layer 8 outside is coated with flame retardant coating 9, and flame retardant coating 9 adopts fire-resisting ceramic silicone rubber to extrude and forms.Flame retardant coating 9 outside is coated with oxygen barrier layer 10, and oxygen barrier layer 10 is made up of low-smoke halogen-free polyolefin.Oxygen barrier layer 10 outside is coated with protective layer, and protective layer comprises armour 11 and external protection 12, and armour 11 is made up of circle wire or metal tape, and external protection 12 adopts wrapped the extruding with low-smoke halogen-free polyolefin material of low smoke and zero halogen glass fibre belt to form.
In low-smoke halogen-free medium voltage fire-resisting cable structure of the present invention, superiority is mainly manifested in high flame retardant packed layer, fire-retardant belting layer, flame retardant coating, oxygen barrier layer, outer jacket.Packed layer adopts low smoke and zero halogen glass fiber rope to fill, and belting layer adopts the wrapped composition of low smoke and zero halogen glass fibre belt, and flame retardant coating adopts fire-resisting ceramic silicone rubber to extrude, and fire-resisting ceramic silicone rubber is a kind of environment-friendly type new material, does not absorb water, nonhygroscopic, and memory time is long; There is low cigarette, Halogen, without phosphorus nitrogen, heavy metal free, nontoxic, harmless, not melting drippage, do not prolong combustion, have extraordinary fire resistance; Flue gas toxity safe class reaches ZA level; At 650 DEG C ~ 3000 DEG C temperature, housing of complete hard by Low fire ceramic shape rapidly, ensures circuit in case of fire unimpeded; Described oxygen barrier layer adopts low-smoke halogen-free polyolefin oxygen barrier layered material, has good processing characteristics, excellent insulation property and fire resistance, does not discharge Lu's acid etc. to environmentally hazardous substance, from fire namely from putting out.Described outer jacket adopts low-smoke halogen-free polyolefin to extrude composition, long service life under normal circumstances, bends down cigarette, Halogen improve fire resistance in the condition of cable fire.
Technology contents of the present invention and technical characteristic have disclosed as above; but those of ordinary skill in the art still may do all replacement and the modification that do not deviate from spirit of the present invention based on teaching of the present invention and announcement; therefore; scope should be not limited to the content that embodiment discloses; and various do not deviate from replacement of the present invention and modification should be comprised, and contained by present patent application claim.
Claims (10)
1. a low-smoke halogen-free medium voltage fireproof power cable, it is characterized in that: the cable comprising some conductors, the cable of described conductor comprises the conductor (1) of internal layer, described conductor (1) outside is coated with conductor shield (2), described conductor shield (2) outside is coated with insulating barrier (3), described insulating barrier (3) outside is coated with insulation screen (4), described insulation screen (4) outside is coated with semi-conducting water-resistant tape layer (5), and described semi-conducting water-resistant tape layer (5) outside is coated with metal screen layer (6); Filler (7) is provided with in described conductor cable gap; described conductor cable outside is coated with belting layer (8); described belting layer (8) outside is coated with flame retardant coating (9); described flame retardant coating (9) outside is coated with oxygen barrier layer (10); described oxygen barrier layer (10) outside is coated with protective layer; described protective layer comprises armour (11) and external protection (12), or only includes external protection (12).
2. a kind of low-smoke halogen-free medium voltage fireproof power cable according to claim 1, is characterized in that: described conductor (1) adopts the one in the annealed copper conductor of aluminium conductor, aluminium alloy conductor, not metal cladding; Described conductor shield (2) is by the semiconductive material extruded or bag semi-conductive tape and extrude semiconductive material and form.
3. a kind of low-smoke halogen-free medium voltage fireproof power cable according to claim 1, is characterized in that: described insulating barrier (3) adopts cross-linking polyethylene materials to be extruded on conductor shield (2) uniformly; Described insulation screen (4) adopts and directly extrudes the not peelable or strippable semi-conductive layer with insulated wire cores.
4. a kind of low-smoke halogen-free medium voltage fireproof power cable according to claim 1, is characterized in that: described semi-conducting water-resistant tape layer (5) adopts the two-sided semiconductor waterstop of 0.5mm thickness; Described metal screen layer (6) employing metal copper strips is wrapped or adopt wire to dredge around the screen with the wrapped stranded formation of metal tape.
5. a kind of low-smoke halogen-free medium voltage fireproof power cable according to claim 1, is characterized in that: described filler (7) adopts and the low smoke and zero halogen glass fiber rope of applicable cable operating temperature compatible mutually with cable insulation material.
6. a kind of low-smoke halogen-free medium voltage fireproof power cable according to claim 1, is characterized in that: described belting layer (8) adopts 0.2mm thickness low smoke and zero halogen glass fibre belt double-layer overlapping to put up wrapped formation.
7. a kind of low-smoke halogen-free medium voltage fireproof power cable according to claim 1, is characterized in that: described flame retardant coating (9) adopts fire-resisting ceramic silicone rubber to extrude and forms.
8. a kind of low-smoke halogen-free medium voltage fireproof power cable according to claim 1, is characterized in that: described oxygen barrier layer (10) is made up of low-smoke halogen-free polyolefin.
9. a kind of low-smoke halogen-free medium voltage fireproof power cable according to claim 1, is characterized in that: described armour (11) is made up of circle wire or metal tape.
10. a kind of low-smoke halogen-free medium voltage fireproof power cable according to claim 1, is characterized in that: described external protection (12) adopts wrapped the extruding with low-smoke halogen-free polyolefin material of low smoke and zero halogen glass fibre belt to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543710.9A CN104299714A (en) | 2014-10-15 | 2014-10-15 | Low-smoke zero-halogen medium-voltage fire-resistant power cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410543710.9A CN104299714A (en) | 2014-10-15 | 2014-10-15 | Low-smoke zero-halogen medium-voltage fire-resistant power cable |
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| CN104299714A true CN104299714A (en) | 2015-01-21 |
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| CN201410543710.9A Pending CN104299714A (en) | 2014-10-15 | 2014-10-15 | Low-smoke zero-halogen medium-voltage fire-resistant power cable |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139951A (en) * | 2015-03-28 | 2015-12-09 | 安徽瑞昊缆业有限公司 | Crosslinked insulation polyethylene aluminium alloy conductor underground cable |
| CN106057344A (en) * | 2016-07-28 | 2016-10-26 | 江苏长峰电缆有限公司 | Impact-resistant spray-resistant, halogen-free, low-smoke flame-retardant medium voltage fire-resistant cable |
| WO2018040646A1 (en) * | 2016-08-31 | 2018-03-08 | 中天射频电缆有限公司 | Protective sheath and leakage cable using protective sheath |
| CN108565052A (en) * | 2018-04-04 | 2018-09-21 | 江苏俊知技术有限公司 | A kind of communication equipment is damaged with low whirlpool can cascade band-like flexible cable and preparation method thereof and prepare extrusion die used in the cable |
| CN109473236A (en) * | 2018-10-25 | 2019-03-15 | 江苏亨通电力电缆有限公司 | The manufacturing process of B1 grades of environmentally protective medium-pressure power cables of multistoried building |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658913Y (en) * | 2003-08-29 | 2004-11-24 | 新疆特变电工股份有限公司 | Water proof antimouse, fire resistant, low smoke, low bittern power cable |
| KR20110087043A (en) * | 2010-01-25 | 2011-08-02 | 엘에스전선 주식회사 | Power cable having pressure-resistant property in high temperature condition |
| CN102426883A (en) * | 2011-12-30 | 2012-04-25 | 湖南华菱线缆股份有限公司 | Cable for ocean engineering |
| CN202771839U (en) * | 2012-07-05 | 2013-03-06 | 安徽江淮电缆集团有限公司 | Low-smoke halogen-free flame-retardant fire-resistant high-voltage power cable |
| CN202948763U (en) * | 2012-11-19 | 2013-05-22 | 四川明星电缆股份有限公司 | Safe fire-resistant medium and high voltage cable |
| CN203689994U (en) * | 2014-01-10 | 2014-07-02 | 中天科技海缆有限公司 | Optical fiber composite medium voltage power cable |
| CN204117679U (en) * | 2014-10-15 | 2015-01-21 | 中天科技海缆有限公司 | A kind of low-smoke halogen-free medium voltage fireproof power cable |
-
2014
- 2014-10-15 CN CN201410543710.9A patent/CN104299714A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658913Y (en) * | 2003-08-29 | 2004-11-24 | 新疆特变电工股份有限公司 | Water proof antimouse, fire resistant, low smoke, low bittern power cable |
| KR20110087043A (en) * | 2010-01-25 | 2011-08-02 | 엘에스전선 주식회사 | Power cable having pressure-resistant property in high temperature condition |
| CN102426883A (en) * | 2011-12-30 | 2012-04-25 | 湖南华菱线缆股份有限公司 | Cable for ocean engineering |
| CN202771839U (en) * | 2012-07-05 | 2013-03-06 | 安徽江淮电缆集团有限公司 | Low-smoke halogen-free flame-retardant fire-resistant high-voltage power cable |
| CN202948763U (en) * | 2012-11-19 | 2013-05-22 | 四川明星电缆股份有限公司 | Safe fire-resistant medium and high voltage cable |
| CN203689994U (en) * | 2014-01-10 | 2014-07-02 | 中天科技海缆有限公司 | Optical fiber composite medium voltage power cable |
| CN204117679U (en) * | 2014-10-15 | 2015-01-21 | 中天科技海缆有限公司 | A kind of low-smoke halogen-free medium voltage fireproof power cable |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139951A (en) * | 2015-03-28 | 2015-12-09 | 安徽瑞昊缆业有限公司 | Crosslinked insulation polyethylene aluminium alloy conductor underground cable |
| CN106057344A (en) * | 2016-07-28 | 2016-10-26 | 江苏长峰电缆有限公司 | Impact-resistant spray-resistant, halogen-free, low-smoke flame-retardant medium voltage fire-resistant cable |
| WO2018040646A1 (en) * | 2016-08-31 | 2018-03-08 | 中天射频电缆有限公司 | Protective sheath and leakage cable using protective sheath |
| CN108565052A (en) * | 2018-04-04 | 2018-09-21 | 江苏俊知技术有限公司 | A kind of communication equipment is damaged with low whirlpool can cascade band-like flexible cable and preparation method thereof and prepare extrusion die used in the cable |
| CN108565052B (en) * | 2018-04-04 | 2024-04-12 | 江苏俊知技术有限公司 | Low-eddy-loss cascade ribbon flexible cable for communication equipment, preparation method thereof and extrusion die for preparing same |
| CN109473236A (en) * | 2018-10-25 | 2019-03-15 | 江苏亨通电力电缆有限公司 | The manufacturing process of B1 grades of environmentally protective medium-pressure power cables of multistoried building |
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| C06 | Publication | ||
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160316 Address after: 226000 Nantong Province Economic and Technological Development Zone, the New South Road, No. 1, No. Applicant after: Zhongtian Technologies Submarine Optic Fiber Cable Co., Ltd. Applicant after: Zhongtian Technology Equipment Cable Co., Ltd. Applicant after: Zhongtian Science and Technology Co., Ltd., Jiangsu Address before: 226000 Nantong Province Economic and Technological Development Zone, the New South Road, No. 1, No. Applicant before: Zhongtian Technologies Submarine Optic Fiber Cable Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150121 |