CN101916613A - Method for manufacturing double-layer coextrusion insulated photovoltaic cable - Google Patents
Method for manufacturing double-layer coextrusion insulated photovoltaic cable Download PDFInfo
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- CN101916613A CN101916613A CN2010102575749A CN201010257574A CN101916613A CN 101916613 A CN101916613 A CN 101916613A CN 2010102575749 A CN2010102575749 A CN 2010102575749A CN 201010257574 A CN201010257574 A CN 201010257574A CN 101916613 A CN101916613 A CN 101916613A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a method for manufacturing a double-layer coextrusion insulated photovoltaic cable, which comprises the following technical steps of: repeatedly stranding a plurality of fine tinned copper wires by layers in the same direction into an isodirectional beam, and coating a conductor surface with insulating layers through extrusion. The insulating layers comprise an inner insulating layer and an outer insulating layer, the inner insulating layer is made of an irradiation crosslinking polyolefin material, and the outer insulating layer is made of an irradiation crosslinking flame-retardant polyolefin material. The two insulating layers are formed from the irradiation crosslinking polyolefin material with good compatibility and complementary performance by a double-layer coexrusion processing system in one step, and the insulating layers are coated with an irradiation crosslinking flame-retardant polyolefin sheath through extrusion. The produced cable can meet the requirements of TUV and UL simultaneously, has long service life, high temperature resistance, low temperature resistance, ozone resistance, ultraviolet resistance, steam resistance, wear resistance, impact resistance, high electrical insulation, high flame retarding performance, low smoke, low halogen and low toxicity, and can be widely applied to various fields of European and American solar power stations, photovoltaic systems and the like.
Description
Technical field
The present invention relates to a kind of manufacture method of double-layer coextrusion insulated photovoltaic cable, this cable is used for the solar energy photovoltaic system of direct current line ball-line ceiling voltage DC1.8KV.
Background technology
The photovoltaic energy in Europe is used quite popular at present, thereby the photovoltaic cable development also maintains the leading position, the photovoltaic cable that solar energy photovoltaic system is used, requirement has good heat-resisting, cold-resistant, UV resistant, anti-ozone and weatherability, low cigarette, Halogen, low toxicity, fire-retardant, and, meet the requirement of TUV 2PfG1169-2007 standard by the TUV authentication.And at American market, photovoltaic cable then needs the authentication by UL, should meet the requirement of relevant criterion such as UI4703, and cable has higher requirement to insulation resistance and fire resistance, and the low smoke and zero halogen performance is not had mandatory requirement.Because the two standard is inconsistent to the performance requirement of photovoltaic cable, generally adopt different cable materials to meet the demands respectively, domestic solar energy enterprise wishes that then a kind of cable can meet the requirement of TUV and UL simultaneously, satisfies different clients' demand simultaneously.
Summary of the invention
The objective of the invention is to overcome the deficiency of technology, a kind of manufacture method of double-layer coextrusion insulated photovoltaic cable is provided, make this cable can meet the requirement of TUV and UL simultaneously, have the performance of long, high temperature resistant, low temperature resistant, anti-ozone of life-span, uvioresistant, water-fast steam, wear-resisting, shock resistance, high electric insulation and high flame retardant, and meet the requirement of low cigarette, Halogen, low toxicity.
The technical scheme that realizes above-mentioned purpose is: a kind of manufacture method of double-layer coextrusion insulated photovoltaic cable, and processing step is as follows:
The manufacturing of a, conductor: with many thin tinned copper wire layerings, repeatedly, bundle strand is made conductor in the same way;
B, at conductive surface extruded insulation layer: insulating barrier comprises inner insulating layer and external insulation layer, inner insulating layer is the cross-linking radiation polyolefine material, external insulation layer is the irradiation cross-linking flame-retardant polyolefine material, two-layer insulation adopts compatibility good, and performance has complementary cross-linking radiation polyolefine material to utilize the moulding of double-layer coextrusion system of processing time processing;
C, extrude the irradiation cross-linking flame-retardant polyolefin jacket again in the external insulation layer outside.
The double hyer insulation gross thickness is not less than 0.5mm, and the thickness of inner insulating layer is 25%～50% of insulating barrier gross thickness, extrudes irradiation cross-linking flame-retardant polyolefin jacket thickness among the step c and is not less than 0.5mm.
Inner insulating layer adds that by 90% crosslinkable polyolefin base-material 10% other anti-aging, assistant crosslinking agent and processing aids form.
External insulation layer adds 40% ultra-fine Halogen smoke-inhibiting flame retardant agent by 40% crosslinkable polyolefin base-material, 10% anti-fire retardant and assistant crosslinking agent, and 10% other anti-aging and processing aids are formed.
Sheath adds 40% ultra-fine Halogen smoke-inhibiting flame retardant agent by 40% crosslinkable polyolefin base-material, 10% anti-fire retardant and assistant crosslinking agent, material and processing aids compositions such as other anti-aging of 10%, UV resistant, anti-ozone and weatherability.
Inner insulating layer of the present invention and external insulation layer are to adopt two kinds of compatibilities good, and performance has complementary cross-linking radiation polyolefine material to utilize the moulding of double-layer coextrusion system of processing time processing.Inner insulating layer possesses good electrical insulation properties and high-low temperature resistant, external insulation layer has excellent physical mechanical performance and high-low temperature resistant, high flame resistance, solved the difficult problem that insulation property and high flame retardant can be taken into account, add the good UV resistant of cable cover(ing), anti-ozone and weatherability and high flame resistance, make cable have the excellent comprehensive performance index.This insulating barrier adopts the manufacturing of special double-layer coextrusion system of processing simultaneously, guarantees one, homogeneous and the high quality requirement of insulation system.
The cable series of products that adopt manufacture method of the present invention to produce can meet the requirement of TUV and UL simultaneously.
Description of drawings
Fig. 1 is the structural representation of the cable that the present invention produced.
Embodiment
The present invention is further detailed explanation below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of manufacture method of double-layer coextrusion insulated photovoltaic cable, processing step is as follows:
The manufacturing of a, conductor: with many thin tinned copper wire layerings, repeatedly, bundle strand is made conductor 1 in the same way;
B, at conductor 1 surperficial extruded insulation layer: insulating barrier comprises inner insulating layer 2 and external insulation layer 3, inner insulating layer 2 is the cross-linking radiation polyolefine material, external insulation layer 3 is the irradiation cross-linking flame-retardant polyolefine material, two-layer insulation adopts compatibility good, and performance has complementary cross-linking radiation polyolefine material to utilize the moulding of double-layer coextrusion system of processing time processing;
C, extrude irradiation cross-linking flame-retardant polyolefin jacket 4 again in external insulation layer 3 outsides.
The double hyer insulation gross thickness is not less than the insulation thickness requirement of standard code among the above-mentioned steps b, the double hyer insulation gross thickness is not less than 0.5mm, the thickness of inner insulating layer 2 is about 25%～50% of insulating barrier gross thickness, and the thickness of irradiation cross-linking flame-retardant polyolefin jacket 4 is not less than 0.5mm among the step c.
Irradiation cross-linking flame-retardant polyolefin jacket 4 adds 40% ultra-fine Halogen smoke-inhibiting flame retardant agent by 40% crosslinkable polyolefin base-material, 10% anti-fire retardant and assistant crosslinking agent, material and processing aids compositions such as other anti-aging of 10%, UV resistant, anti-ozone and weatherability.
Double-layer coextrusion is mainly guaranteed by following three measures
1, double-layer coextrusion head and mold design
Adopt the fine-tuning test-run a machine head of self centring, utilize Computer Design head separate system, adopt Digit Control Machine Tool to process, guarantee the ectonexine shunting evenly, guarantee circumference top discharge consistency when extruding, cooperate high-precision mold again, it is even to guarantee to extrude bilayer thickness, makes on the cable circumference thickness error reach minimum.
2, two-shipper Synchronization Control
Adopt computer control system, control two plastic extruding machines simultaneously, make two extrusion molding functions carry out the lifting of rotating speed synchronously in the ratio of setting, cooperate the unit fine adjustment function again, make sliver in process of production, the ectonexine thickness proportion remains unchanged
3, the automatic Control and Feedback system in high accuracy line footpath
Utilize laser diameter measuring instrument and computer control system to form high accuracy line footpath Control and Feedback system automatically, guarantee that the cable product external diameter obtains smart control.
The operating temperature range-40 of the cable that the present invention produces ℃～120 ℃; The rated voltage of cable is AC0.6/1kV, DC 1.8kV; Be 25 years the useful life of cable.
The cable that the present invention produces can meet the requirement of TUV and UL simultaneously, has long, high temperature resistant, low temperature resistant, anti-ozone of life-span, uvioresistant, water-fast steam, wear-resisting, shock resistance, high electric insulation, the performance of high flame retardant and the requirement of hanging down cigarette, Halogen, low toxicity.Can be widely used in every field such as Europe and U.S.'s solar power station, photovoltaic system.
Claims (5)
1. the manufacture method of a double-layer coextrusion insulated photovoltaic cable is characterized in that processing step is as follows:
The manufacturing of a, conductor: with many thin tinned copper wire layerings, repeatedly, bundle strand is made conductor (1) in the same way;
B, at the surperficial extruded insulation layer of conductor (1): insulating barrier comprises inner insulating layer (2) and external insulation layer (3), inner insulating layer (2) is the cross-linking radiation polyolefine material, external insulation layer (3) is the irradiation cross-linking flame-retardant polyolefine material, two-layer insulation adopts compatibility good, and performance has complementary cross-linking radiation polyolefine material to utilize the moulding of double-layer coextrusion system of processing time processing;
C, extrude irradiation cross-linking flame-retardant polyolefin jacket (4) again in external insulation layer (3) outside.
2. the manufacture method of double-layer coextrusion insulated photovoltaic electric wire according to claim 1, it is characterized in that: the double hyer insulation gross thickness is not less than 0.5mm, the thickness of inner insulating layer (2) is 25%～50% of insulating barrier gross thickness, and the thickness that extrudes irradiation cross-linking flame-retardant polyolefin jacket (4) among the step c is not less than 0.5mm.
3. according to the manufacture method of right 1 or 2 described double-layer coextrusion insulated photovoltaic cables, it is characterized in that: inner insulating layer (2) adds that by 90% crosslinkable polyolefin base-material 10% other anti-aging, assistant crosslinking agent and processing aids form.
4. according to the manufacture method of right 1 or 2 described double-layer coextrusion insulated photovoltaic cables, it is characterized in that: external insulation layer (3) adds 40% ultra-fine Halogen smoke-inhibiting flame retardant agent by 40% crosslinkable polyolefin base-material, 10% anti-fire retardant and assistant crosslinking agent, 10% other anti-aging and processing aids are formed.
5. according to right 1 or 2 described double-layer coextrusion insulated photovoltaic cables, it is characterized in that: sheath (4) adds 40% ultra-fine Halogen smoke-inhibiting flame retardant agent by 40% crosslinkable polyolefin base-material, 10% anti-fire retardant and assistant crosslinking agent, material and processing aids compositions such as other anti-aging of 10%, UV resistant, anti-ozone and weatherability.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102575749A CN101916613A (en) | 2010-08-20 | 2010-08-20 | Method for manufacturing double-layer coextrusion insulated photovoltaic cable |
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| CN2010102575749A CN101916613A (en) | 2010-08-20 | 2010-08-20 | Method for manufacturing double-layer coextrusion insulated photovoltaic cable |
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| CN101916613A true CN101916613A (en) | 2010-12-15 |
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| CN2010102575749A Pending CN101916613A (en) | 2010-08-20 | 2010-08-20 | Method for manufacturing double-layer coextrusion insulated photovoltaic cable |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198903A (en) * | 2013-04-12 | 2013-07-10 | 常州市新东方电缆有限公司 | Production process of photovoltaic cables |
| CN103515011A (en) * | 2013-10-10 | 2014-01-15 | 无锡鑫宏业特塑线缆有限公司 | 1500Vac photovoltaic cable |
| CN103871689A (en) * | 2014-02-28 | 2014-06-18 | 苏州快可光伏电子股份有限公司 | Photovoltaic cable production technology |
| CN104517683A (en) * | 2013-09-30 | 2015-04-15 | 江苏河阳线缆有限公司 | Production technology of cable |
| CN104575779A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | All-plastic high-performance cable |
| CN105304167A (en) * | 2015-11-03 | 2016-02-03 | 昆明电立电缆有限公司 | Long-life double-layer wire and manufacturing method thereof |
| CN105336453A (en) * | 2015-11-24 | 2016-02-17 | 江苏永鼎盛达电缆有限公司 | Double-layer co-extrusion and insulation irradiation crosslinking process method and low-smoke halogen-free flame-retardant wire |
| CN106887276A (en) * | 2017-03-17 | 2017-06-23 | 宁夏中盛电缆技术有限公司 | Double-layer insulation sheath readily releasable photovoltaic cable |
| CN110534262A (en) * | 2019-09-23 | 2019-12-03 | 远东电缆有限公司 | A kind of heat-resisting low tension wire production method of very thin wall-shaped automobile |
| CN114334238A (en) * | 2021-12-31 | 2022-04-12 | 福建成田科技有限公司 | Double-layer co-extrusion insulation type B1-grade flame-retardant cable |
| CN114883036A (en) * | 2022-05-26 | 2022-08-09 | 苏州宝兴电线电缆有限公司 | Photovoltaic cable with high dyne value and production process thereof |
| CN115240923A (en) * | 2022-08-02 | 2022-10-25 | 安徽尚纬电缆有限公司 | Water-resistant aluminum alloy core double-layer co-extrusion photovoltaic cable and manufacturing process thereof |
| CN115547564A (en) * | 2022-10-09 | 2022-12-30 | 铭品电缆集团股份有限公司 | High-flame-retardant tear-resistant photovoltaic cable and preparation process thereof |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198903A (en) * | 2013-04-12 | 2013-07-10 | 常州市新东方电缆有限公司 | Production process of photovoltaic cables |
| CN103198903B (en) * | 2013-04-12 | 2016-12-28 | 常州市新东方电缆有限公司 | A kind of production technology of photovoltaic cable |
| CN104517683A (en) * | 2013-09-30 | 2015-04-15 | 江苏河阳线缆有限公司 | Production technology of cable |
| CN103515011A (en) * | 2013-10-10 | 2014-01-15 | 无锡鑫宏业特塑线缆有限公司 | 1500Vac photovoltaic cable |
| CN104575779A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | All-plastic high-performance cable |
| CN103871689A (en) * | 2014-02-28 | 2014-06-18 | 苏州快可光伏电子股份有限公司 | Photovoltaic cable production technology |
| CN105304167A (en) * | 2015-11-03 | 2016-02-03 | 昆明电立电缆有限公司 | Long-life double-layer wire and manufacturing method thereof |
| CN105336453A (en) * | 2015-11-24 | 2016-02-17 | 江苏永鼎盛达电缆有限公司 | Double-layer co-extrusion and insulation irradiation crosslinking process method and low-smoke halogen-free flame-retardant wire |
| CN106887276A (en) * | 2017-03-17 | 2017-06-23 | 宁夏中盛电缆技术有限公司 | Double-layer insulation sheath readily releasable photovoltaic cable |
| CN110534262A (en) * | 2019-09-23 | 2019-12-03 | 远东电缆有限公司 | A kind of heat-resisting low tension wire production method of very thin wall-shaped automobile |
| CN114334238A (en) * | 2021-12-31 | 2022-04-12 | 福建成田科技有限公司 | Double-layer co-extrusion insulation type B1-grade flame-retardant cable |
| CN114334238B (en) * | 2021-12-31 | 2024-01-19 | 福建成田科技有限公司 | Double-layer co-extrusion insulation type B1-level flame-retardant cable |
| CN114883036A (en) * | 2022-05-26 | 2022-08-09 | 苏州宝兴电线电缆有限公司 | Photovoltaic cable with high dyne value and production process thereof |
| CN115240923A (en) * | 2022-08-02 | 2022-10-25 | 安徽尚纬电缆有限公司 | Water-resistant aluminum alloy core double-layer co-extrusion photovoltaic cable and manufacturing process thereof |
| CN115547564A (en) * | 2022-10-09 | 2022-12-30 | 铭品电缆集团股份有限公司 | High-flame-retardant tear-resistant photovoltaic cable and preparation process thereof |
| CN115547564B (en) * | 2022-10-09 | 2023-05-12 | 铭品电缆集团股份有限公司 | High-flame-retardance tearing-resistant photovoltaic cable and preparation process thereof |
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Open date: 20101215 |