CN103985470A - Cross linked polyethylene insulated copper strip armored power cable preventing termites and resisting ultraviolet light - Google Patents
Cross linked polyethylene insulated copper strip armored power cable preventing termites and resisting ultraviolet light Download PDFInfo
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- CN103985470A CN103985470A CN201410138659.3A CN201410138659A CN103985470A CN 103985470 A CN103985470 A CN 103985470A CN 201410138659 A CN201410138659 A CN 201410138659A CN 103985470 A CN103985470 A CN 103985470A
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Abstract
The invention discloses a cross linked polyethylene insulated copper strip armored power cable preventing termites and resisting ultraviolet light. The power cable sequentially comprises an insulated cable core, a semiconductive buffer layer, a metal shielding layer, a high-inflaming-retarding enhancement layer, a lining layer, a metal armored layer and an outer protection sleeve from the inner layer to the outer layer. The semiconductive buffer layer is composed of semiconductor non-woven fabric, the metal shielding layer is composed of copper wires evenly arranged in the peripheral direction and copper strips inversely tied on the outer surface of the copper wires, the lining layer is composed of halogen-free low-smoke high-inflaming-retarding polyolefin outer protection sleeve materials, the metal armored layer is composed of a brass strip armored cable, and the outer protection sleeve is composed of low-smoke halogen-free inflaming-retarding outer protection sleeve materials. Through the mode, the power cable has the special performance of being low in smoke and free of halogen, retarding inflaming, being waterproof and ratproof, preventing insect biting and preventing the ultraviolet light, the service life of the cable is guaranteed, the safe reliability of electric power transmission is improved, and hazards caused by electricity utilization faults are avoided.
Description
Technical field
The present invention relates to power cable field, particularly relate to the termite-proof uvioresistant power cable of a kind of cross-linked polyethylene insulated copper strip armouring.
Background technology
Along with people's living condition improves, to health, safety, environmental protection is more and more paid attention to.But traditional PVC(polyvinyl chloride) cable, in the time that fire occurs PVC mixture after being heated, easily decompose overflow have in a large number severe toxicity, HCL(hydrogen chloride is corrosive) gas, and produce a large amount of hypertoxic dense smoke, cause great Loss of Life and property, and bring very large difficulty to rescue work.In order to avoid and to reduce the secondary injury that fire and fire cause as far as possible, develop halide-free low-smoke fireproof cable.But also easily there is oversheath cracking in common halide-free low-smoke fireproof cable, by problems such as destructions such as worm mouse, cable life is shortened greatly, cause use electric fault, national economy is caused damage.The main cause of oversheath cracking is that material itself has added more fire-retardant filler and caused its mechanical performance to decline, and in addition, oversheath does not possess uvioresistant, anti-Japanese according to performance, and long-time running also easily causes oversheath cracking.
Summary of the invention
The technical problem that the present invention mainly solves is to provide the termite-proof uvioresistant power cable of a kind of cross-linked polyethylene insulated copper strip armouring, having low cigarette, Halogen, fire-retardant, waterproof, protection against rodents, insect bites and stings and the multiple property such as antiultraviolet, ensure the useful life of cable, improve the security reliability that electric power is carried, avoided the disaster causing with electric fault.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of cross-linked polyethylene insulated copper strip armouring termite-proof uvioresistant power cable, its internal layer to skin comprises successively: insulated wire cores, be coated on the semi-conductive buffer layer of described insulated wire cores outer surface, the rich metal screen layer of pricking at described semi-conductive buffer layer outer surface, the wrapped high flame retardant enhancement layer at described metal screen layer outer surface, be extruded in the inner covering of described high flame retardant enhancement layer outer surface, be sleeved on the metal armouring layer and the oversheath that is coated on described metal armouring layer outer surface of described inner covering outer surface, described semi-conductive buffer layer is made up of semiconductor nonwoven fabrics, described metal screen layer is made up of at the copper strips of described copper wire outer surface evenly distributed in a circumferential direction copper wire and anti-bundle, described inner covering is made up of halogen-free low-smoke high-flame polyolefin jacket material, described metal armouring layer is made up of brass band armoured cable, described oversheath is made up of low-smoke non-halogen flame-retardant oversheath material.
In a preferred embodiment of the present invention, described insulated wire cores comprises from the inner to the outer successively: conductor, be coated on described conductor outer surface cross-linking type conductor shield, be coated on the crosslinked polyetylene insulated layer of described cross-linking type conductor shield outer surface and be coated on the cross-linking type insulation screen of described crosslinked polyetylene insulated layer outer surface.
In a preferred embodiment of the present invention, the thickness of the brass band that described brass band armoured cable is used is 0.11-0.13mm, is preferably 0.12mm, can effectively prevent that the toys such as mouse from biting, and improves cable useful life.
In a preferred embodiment of the present invention, described high flame retardant enhancement layer is made up of two-layer high flame retardant glass fiber tape, has strengthened the fire resistance of product.
In a preferred embodiment of the present invention, in described low-smoke non-halogen flame-retardant oversheath material, contain the ultravioletlight screening agent of the termite-proof protection against rodents material of environment-friendly type and uvioresistant, anti-Japanese photograph, make its termite moth erosion grade meet the requirement of I level in JB/T 10696.9-2011, light aging property meets GB/T 14049-2008 standard-required.
In a preferred embodiment of the present invention, described conductor be by purity be more than or equal to electrician's copper of 99.97% by frame winch layer-stranding, press and form, ensured that product there will not be heating, the quality problems such as punctures in running.
The invention has the beneficial effects as follows: inner covering of the present invention is by adopting halogen-free low-smoke high-flame polyolefin jacket material, and effectively starvation and reduction temperature have radial water-resisting function simultaneously; Metal armouring layer adopts brass band armoured cable, can prevent the toys such as the mouse cable that bites, and make cable avoid some mechanical damages; Oversheath adopts low-smoke non-halogen flame-retardant oversheath, makes it have low cigarette, Halogen, fire-retardant, termite-proof performance, and has good anti-Japanese photograph, ultraviolet ray ageing performance; Ensure the useful life of cable simultaneously, improved the security reliability that electric power is carried, avoided the disaster causing with electric fault.
Brief description of the drawings
Fig. 1 is the structural representation of termite-proof uvioresistant power cable one preferred embodiment of a kind of cross-linked polyethylene insulated copper strip armouring of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, conductor, 2, cross-linking type conductor shield, 3, crosslinked polyetylene insulated layer, 4, cross-linking type insulation screen, 5, semi-conductive buffer layer, 6, metal screen layer, 7, high flame retardant enhancement layer, 8, inner covering, 9, metal armouring layer, 10, oversheath.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Refer to Fig. 1, the embodiment of the present invention comprises:
The termite-proof uvioresistant power cable of a kind of cross-linked polyethylene insulated copper strip armouring, its internal layer to skin comprises successively: conductor 1, be coated on the cross-linking type conductor shield 2 of described conductor 1 outer surface, be coated on the crosslinked polyetylene insulated layer 3 and the cross-linking type insulation screen 4 that is coated on described crosslinked polyetylene insulated layer 3 outer surface of described cross-linking type conductor shield 2 outer surfaces, be coated on the semi-conductive buffer layer 5 of described cross-linking type insulation screen 4 outer surfaces, the rich metal screen layer 6 of pricking at described semi-conductive buffer layer 5 outer surface, the wrapped high flame retardant enhancement layer 7 at described metal screen layer 6 outer surfaces, be extruded in the inner covering 8 of described high flame retardant enhancement layer 7 outer surfaces, be sleeved on the metal armouring layer 9 and the oversheath 10 that is coated on described metal armouring layer 9 outer surface of described inner covering 8 outer surfaces, wherein:
Described conductor 1 adopts electrician's copper of national Specification, purity is not less than 99.97%, by frame winch layer-stranding, press and form, conductor 1 smooth surface, without greasy dirt, without burr, without defects such as protruding sharp edges, the D.C. resistance of conductor 1 meets the setting of national standard, has ensured that product there will not be heating, the quality problems such as punctures in running;
Described cross-linking type conductor shield 2, crosslinked polyetylene insulated layer 3, cross-linking type insulation screen 4 adopt German TROESTER import dry type three-layer co-extruded cross-linking production line to produce, be furnished with advanced sulfuration computing system, the online derivometer of German SIKORA, blast conductor preheater, thousand grades of clean rooms of raw material, core deaeration chamber, the insulated wire cores produced evenly, rounding, unstressed, effectively ensured the electrical insulation properties of cable;
Described semi-conductive buffer layer 5 is made up of semiconductor nonwoven fabrics, as the resilient coating between insulated wire cores and metal screen layer 6, guarantees electrical contact between the two simultaneously;
Described metal screen layer 6 is made up of at the copper strips of described copper wire outer surface evenly distributed in a circumferential direction copper wire and anti-bundle, can effective cross-section meets the requirement of system short-circuit electric current;
Described high flame retardant enhancement layer 7 is made up of two-layer high flame retardant glass fiber tape, has strengthened the fire resistance of product;
Described inner covering 8 is made up of halogen-free low-smoke high-flame polyolefin jacket material, effectively starvation and reduction temperature, and there is certain radial water-resisting function;
Described metal armouring layer 9 is made up of brass band armoured cable, and the thickness of brass band is 0.11-0.13mm, is preferably 0.12mm, can effectively prevent that the toys such as mouse from biting, and improves cable useful life;
Described oversheath is made up of low-smoke non-halogen flame-retardant oversheath material, in described low-smoke non-halogen flame-retardant oversheath material, contain the ultravioletlight screening agent of the termite-proof protection against rodents material of environment-friendly type and uvioresistant, anti-Japanese photograph, make its termite moth erosion grade meet the requirement of I level in JB/T 10696.9-2011, light aging property meets GB/T 14049-2008 standard-required.
Its preparation technology is:
1) conductor is stranded: adopt purity to be not less than electrician's copper of 99.97% raw material as conductor 1, by frame winch layer-stranding, press and make conductor 1;
2) three-layer co-extruded: to adopt German TROESTER import dry type three-layer co-extruded cross-linking production line that cross-linking type conductor shield 2, crosslinked polyetylene insulated layer 3, cross-linking type insulation screen 4 are made by co-extrusion to insulated wire cores;
3) stress is eliminated: the insulated wire cores of making is carried out in deaerating chamber to stress elimination;
4) wrapped resilient coating: overlapping wrapped one deck semiconductive nonwoven fabrics (semi-conductive buffer layer 5) outside insulated wire cores;
5) metallic shield: adopt brass wire shielding machine rich bundle metal screen layer 6 outside semiconductive nonwoven fabrics (semi-conductive buffer layer 5), and metal screen layer 6 adopts copper wire to add the anti-structure of pricking of copper strips;
6) wrapped high flame retardant enhancement layer: at the overlapping wrapped two-layer high flame retardant glass fiber tape of outer surface (high flame retardant enhancement layer 7) of metal screen layer 6;
7) extrude inner covering: adopt extruder to extrude the inner covering 8 of one deck employing halogen-free low-smoke high-flame polyolefin jacket material at the outer surface of high flame retardant enhancement layer 7;
8) copper strips armouring: adopt the brass band armoured cable (metal armouring layer 9) that thickness is 0.12mm, and metal armouring layer 9 is set in to the outer surface of inner covering 8 on copper strip shielding machine;
9) oversheath is extruded: adopt extruder on metal armouring layer 9, to extrude one deck low-smoke non-halogen flame-retardant oversheath 10.
The present invention has disclosed the termite-proof uvioresistant power cable of a kind of cross-linked polyethylene insulated copper strip armouring, and inner covering is by adopting halogen-free low-smoke high-flame polyolefin jacket material, and effectively starvation and reduction temperature have radial water-resisting function simultaneously; Metal armouring layer adopts brass band armoured cable, can prevent the toys such as the mouse cable that bites, and make cable avoid some mechanical damages; Oversheath adopts low-smoke non-halogen flame-retardant oversheath, makes it have low cigarette, Halogen, fire-retardant, termite-proof performance, and has good anti-Japanese photograph, ultraviolet ray ageing performance; Ensure the useful life of cable simultaneously, improved the security reliability that electric power is carried, avoided the disaster causing with electric fault.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. the termite-proof uvioresistant power cable of cross-linked polyethylene insulated copper strip armouring, its internal layer to skin comprises successively: insulated wire cores, be coated on the semi-conductive buffer layer of described insulated wire cores outer surface, the rich metal screen layer of pricking at described semi-conductive buffer layer outer surface, the wrapped high flame retardant enhancement layer at described metal screen layer outer surface, be extruded in the inner covering of described high flame retardant enhancement layer outer surface, be sleeved on the metal armouring layer and the oversheath that is coated on described metal armouring layer outer surface of described inner covering outer surface, it is characterized in that, described semi-conductive buffer layer is made up of semiconductor nonwoven fabrics, described metal screen layer is made up of at the copper strips of described copper wire outer surface evenly distributed in a circumferential direction copper wire and anti-bundle, described inner covering is made up of halogen-free low-smoke high-flame polyolefin jacket material, described metal armouring layer is made up of brass band armoured cable, described oversheath is made up of low-smoke non-halogen flame-retardant oversheath material.
2. the termite-proof uvioresistant power cable of cross-linked polyethylene insulated copper strip armouring according to claim 1, it is characterized in that, described insulated wire cores comprises from the inner to the outer successively: conductor, be coated on described conductor outer surface cross-linking type conductor shield, be coated on the crosslinked polyetylene insulated layer of described cross-linking type conductor shield outer surface and be coated on the cross-linking type insulation screen of described crosslinked polyetylene insulated layer outer surface.
3. the termite-proof uvioresistant power cable of cross-linked polyethylene insulated copper strip armouring according to claim 1, is characterized in that, the thickness of the brass band that described brass band armoured cable is used is 0.11-0.13mm.
4. the termite-proof uvioresistant power cable of cross-linked polyethylene insulated copper strip armouring according to claim 3, is characterized in that, the thickness of described brass band is 0.12mm.
5. the termite-proof uvioresistant power cable of cross-linked polyethylene insulated copper strip armouring according to claim 1, is characterized in that, described high flame retardant enhancement layer is made up of two-layer high flame retardant glass fiber tape.
6. the termite-proof uvioresistant power cable of cross-linked polyethylene insulated copper strip armouring according to claim 1, it is characterized in that, in described low-smoke non-halogen flame-retardant oversheath material, contain the ultravioletlight screening agent of the termite-proof protection against rodents material of environment-friendly type and uvioresistant, anti-Japanese photograph.
7. the termite-proof uvioresistant power cable of cross-linked polyethylene insulated copper strip armouring according to claim 2, is characterized in that, described conductor be by purity be more than or equal to electrician's copper of 99.97% by frame winch layer-stranding, press and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138659.3A CN103985470A (en) | 2014-04-09 | 2014-04-09 | Cross linked polyethylene insulated copper strip armored power cable preventing termites and resisting ultraviolet light |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138659.3A CN103985470A (en) | 2014-04-09 | 2014-04-09 | Cross linked polyethylene insulated copper strip armored power cable preventing termites and resisting ultraviolet light |
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| CN103985470A true CN103985470A (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410138659.3A Pending CN103985470A (en) | 2014-04-09 | 2014-04-09 | Cross linked polyethylene insulated copper strip armored power cable preventing termites and resisting ultraviolet light |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240825A (en) * | 2014-10-14 | 2014-12-24 | 山东宝世达电缆有限公司 | Large-sized environment-friendly waterproof ratproof termite-proof reinforced high-tension voltage |
| CN107383524A (en) * | 2017-07-07 | 2017-11-24 | 浙江嘉顺光电材料有限公司 | A kind of colored uvioresistant PE cable |
| CN108417301A (en) * | 2018-04-19 | 2018-08-17 | 远东电缆有限公司 | Water resistant tree power cable with cross-linked polyethylene insulation and production technology are pressed in one kind |
| CN108682502A (en) * | 2018-06-27 | 2018-10-19 | 中铁第四勘察设计院集团有限公司 | A kind of crack resistence rail traffic 35kV power cables |
| CN112562911A (en) * | 2020-12-09 | 2021-03-26 | 杭州电缆股份有限公司 | Crosslinked polyethylene insulated cable for electrified railway and production process |
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| JP2003223818A (en) * | 2002-01-30 | 2003-08-08 | Fujikura Ltd | Portable power cable |
| CN201570304U (en) * | 2009-08-24 | 2010-09-01 | 上海索谷电缆集团有限公司 | Environment-friendly safe fire-proof power cable for mine use |
| CN203300317U (en) * | 2013-05-22 | 2013-11-20 | 上海电缆厂有限公司 | 27.5-kilovolt single-phase copper-core cross-linked cable for electrified railways |
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2014
- 2014-04-09 CN CN201410138659.3A patent/CN103985470A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003223818A (en) * | 2002-01-30 | 2003-08-08 | Fujikura Ltd | Portable power cable |
| CN201570304U (en) * | 2009-08-24 | 2010-09-01 | 上海索谷电缆集团有限公司 | Environment-friendly safe fire-proof power cable for mine use |
| CN203300317U (en) * | 2013-05-22 | 2013-11-20 | 上海电缆厂有限公司 | 27.5-kilovolt single-phase copper-core cross-linked cable for electrified railways |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240825A (en) * | 2014-10-14 | 2014-12-24 | 山东宝世达电缆有限公司 | Large-sized environment-friendly waterproof ratproof termite-proof reinforced high-tension voltage |
| CN107383524A (en) * | 2017-07-07 | 2017-11-24 | 浙江嘉顺光电材料有限公司 | A kind of colored uvioresistant PE cable |
| CN108417301A (en) * | 2018-04-19 | 2018-08-17 | 远东电缆有限公司 | Water resistant tree power cable with cross-linked polyethylene insulation and production technology are pressed in one kind |
| CN108417301B (en) * | 2018-04-19 | 2024-02-02 | 远东电缆有限公司 | Medium-voltage water tree-resistant crosslinked polyethylene insulated power cable and production process thereof |
| CN108682502A (en) * | 2018-06-27 | 2018-10-19 | 中铁第四勘察设计院集团有限公司 | A kind of crack resistence rail traffic 35kV power cables |
| CN112562911A (en) * | 2020-12-09 | 2021-03-26 | 杭州电缆股份有限公司 | Crosslinked polyethylene insulated cable for electrified railway and production process |
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Address after: 215500 Changshou City Economic Development Zone, Jiangsu province Tongda Road, No. 8, No. Applicant after: Hengtong Submarine Power Cable Co.,Ltd. Address before: 215500 Changshou City Economic Development Zone, Jiangsu province Tongda Road, No. 8, No. Applicant before: JIANGSU HENGTONG HIGH-VOLTAGE CABLE CO.,LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140813 |