CN204303428U - A kind of fire-retardant photovoltaic cable - Google Patents
A kind of fire-retardant photovoltaic cable Download PDFInfo
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- CN204303428U CN204303428U CN201420684543.5U CN201420684543U CN204303428U CN 204303428 U CN204303428 U CN 204303428U CN 201420684543 U CN201420684543 U CN 201420684543U CN 204303428 U CN204303428 U CN 204303428U
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Abstract
The utility model discloses a kind of fire-retardant photovoltaic cable, draw together conductor, metal screen layer, insulating barrier, strengthening core, belting layer, optical fiber, optical fiber jacket, armour, flame-retardant layer and pre-oxidized fibers bar.Photovoltaic cable is a kind of for the special cables of solar photovoltaic assembly in system, it has weather, high temperature resistant, the features such as rub resistance. and there is the useful life of overlength, the anaerobic tinned copper conductor of high-quality ensure that superior conductive effect, High Performance Insulation material after high-energy electron accelerator crosslinking with radiation and sheath material play cocksure insulation property and mechanical performance. and in processing and use procedure, processing range is wider easy to operate, the utility model is green Halogen product, once breaking out of fire accident, poisonous and hazardous gas can not be produced and produce smoke which less, there is good anti-flaming thermal-insulation performance, high temperature resistant, UV resistant, can effectively prevent in high temperature environments to the infringement of cable.
Description
Technical field
The utility model relates to power cable technical field, is specifically related to a kind of fire-retardant photovoltaic cable.
Background technology
At present, under the impact of financial crisis, the Chinese government is using developing new forms of energy as the important means of revitalizing the economy.Heliotechnics will become one of the green energy resource technology in future undoubtedly, photovoltaic (PV) is day by day extensive in China's application, build the photovoltaic generation factory of the profitability of economical and efficient, represent the most important target of all solar energy manufacturers and core competitiveness, and its profitability not only depends on efficiency or the high-performance of solar components self, also its important transmission of electricity instrument photovoltaic cable is be unable to do without, but photovoltaic generation factory is built in desert belt mostly, environment is extremely disliked slightly, and existing photovoltaic cable, in such a case, its weather resistance, UV resistant, it is barely satisfactory that the abilities such as the variations in temperature that resistance to ozone corrosion is larger with opposing still show, photovoltaic generation factory needs frequent cable of changing to ensure the efficient stable of self, considerably increase production cost, flame retardant rating and the feature of environmental protection are difficult to the degree reaching expectation simultaneously, thus coefficient of safety is relatively low, the operational environment usual hours of daylight of photovoltaic cable is long, space is large, be far from the crowd, building is few, there are enough daylighting areas, in this case, sunlight is few through atmospheric loss, radiation is many, during fine day, the scene temperature of certain areas is up to 100 DEG C, therefore photovoltaic cable must resist extreme climate environment, so propose higher requirement to the high temperature resistant of photovoltaic cable and fire resistance.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of fire-retardant photovoltaic cable, and anti-flaming thermal-insulation performance is strong, and high temperature resistant, uvioresistant, can effectively prevent high temperature to the infringement of photovoltaic cable.
The technical solution of the utility model is: a kind of fire-retardant photovoltaic cable, comprise conductor, metal screen layer, insulating barrier, strengthening core, belting layer, optical fiber, optical fiber jacket, armour, flame-retardant layer and pre-oxidized fibers bar, it is characterized in that: the utility model is flat composite construction, described conductor and optical fiber have two at least, two conductors are bilateral symmetry, two optical fiber are upper and lower symmetrical structure, strengthening core is provided with in the middle of conductor and optical fiber, described optical fiber is wrapped with optical fiber jacket, described conductor is wrapped with insulating barrier, described insulating barrier and optical fiber jacket are wrapped with belting layer, described belting layer is outside equipped with metal screen layer, described metal screen layer is outside equipped with flame-retardant layer, pre-oxidized fibers bar is provided with in flame-retardant layer, described flame-retardant layer is outside equipped with armour.
Further, described insulating barrier and optical fiber jacket are wrapped with belting layer, and belting layer adopts crosslinked polyethylene to be material.
Further, described belting layer is outside equipped with metal screen layer, and metal screen layer adopts tin plated steel wire or zinc-plated nickel-copper wire to be material.
Further, described metal screen layer is outside equipped with flame-retardant layer, and its thickness is 0.5mm ~ 0.8mm.
Further, more than 5 pre-oxidized fibers bars are contained in described flame-retardant layer.
Further, the insulating barrier of described conductor outer wrapping adopts cross-linked polyolefin to be material.
Further, described conductor is formed by many tin-coated copper monofilament are stranded.
Further, described strengthening core is square, and employing tin plated steel wire is material.
The beneficial effects of the utility model are: a kind of fire-retardant photovoltaic cable, comprise conductor, metal screen layer, insulating barrier, strengthening core, belting layer, optical fiber, optical fiber jacket, armour, flame-retardant layer and pre-oxidized fibers bar, it is characterized in that: the utility model is flat composite construction, described conductor and optical fiber have two at least, two conductors are bilateral symmetry, two optical fiber are upper and lower symmetrical structure, described conductor is formed by many tin-coated copper monofilament are stranded, tin-coated copper monofilament has the wear-resisting and insulating performance of cable of excellent thermally-stabilised and machinery, can anti-strong acid, fire-resistantly not fire, low smoke and zero halogen, non-ageing advantage.Be provided with strengthening core in the middle of conductor and optical fiber, strengthening core is square, and employing tin plated steel wire is material, improves the tensile strength of cable, improves load-bearing and the resistance to tension of cable.Described optical fiber is wrapped with optical fiber jacket, described conductor is wrapped with insulating barrier, and described insulating barrier and optical fiber jacket are wrapped with belting layer, and described belting layer is outside equipped with metal screen layer, metal screen layer adopts tin plated steel wire or zinc-plated nickel-copper wire to be material, has good anti-electromagnetic interference capability.Described metal screen layer is outside equipped with flame-retardant layer, pre-oxidized fibers bar is provided with in flame-retardant layer, pre-oxidized fibers is also known as pre-oxidized polyacrylonitrile fiber, there is high flame retardant, limited oxygen index is greater than 45%, its resistance to elevated temperatures higher than general fire resistance fibre as fibers such as kevlar, Nomex and fragrant alum synthetic fibres, at 300 DEG C, fibre property is stablized, at 500 DEG C, after 10min, strength retention can reach 65%, there is excellent thermal stability, in burning, fiber does not melt, does not soften and shrink, and without molten drop, belongs to and does not fire product.Described flame-retardant layer is outside equipped with armour, armour is steel-tape armouring, there is good resistance to ultraviolet radiation energy and hot strength is high, the utility model has weather, high temperature resistant, the features such as rub resistance. and there is the useful life of overlength, the anaerobic tinned copper conductor of high-quality ensure that superior conductive effect, High Performance Insulation material after high-energy electron accelerator crosslinking with radiation and sheath material play cocksure insulation property and mechanical performance. and in processing and use procedure, processing range is wider easy to operate, the utility model is green Halogen product, once breaking out of fire accident, poisonous and hazardous gas can not be produced and produce smoke which less, there is good anti-flaming thermal-insulation performance, high temperature resistant, UV resistant, can effectively prevent in high temperature environments to the infringement of cable.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model.
Wherein: 1, armour 2, pre-oxidized fibers bar 3, strengthening core
4, conductor 5, insulating barrier 6, metal screen layer
7, flame-retardant layer 8, optical fiber 9, optical fiber jacket
10, belting layer
Embodiment
Below in conjunction with accompanying drawing, brief description is made to embodiment of the present utility model.
As shown in Figure 1, a kind of fire-retardant photovoltaic cable, comprise conductor 4, metal screen layer 6, insulating barrier 5, strengthening core 3, belting layer 10, optical fiber 8, optical fiber jacket 9, armour 1, flame-retardant layer 7 and pre-oxidized fibers bar 2, it is characterized in that: the utility model is flat composite construction, described conductor 4 has two at least with optical fiber 8, two conductors 4 are bilateral symmetry, two optical fiber 8 are upper and lower symmetrical structure, strengthening core 3 is provided with in the middle of conductor 4 is fine with light 8, described optical fiber 8 is wrapped with optical fiber jacket 9, described conductor 4 is wrapped with insulating barrier 5, described insulating barrier 5 is wrapped with belting layer 10 with optical fiber jacket 9, described belting layer 10 is outside equipped with metal screen layer 6, described metal screen layer 6 is outside equipped with flame-retardant layer 7, pre-oxidized fibers bar 2 is provided with in flame-retardant layer 7, described flame-retardant layer 7 is outside equipped with armour 1.
Above embodiment, only in order to the technical solution of the utility model to be described, can not limit scope of the present utility model with this; To the amendment that the technical scheme described in foregoing embodiments is carried out, or to the equivalent replacement that wherein portion of techniques feature is carried out, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model, all should still belong in scope that the utility model patent contains.
Claims (8)
1. a fire-retardant photovoltaic cable, comprise conductor, metal screen layer, insulating barrier, strengthening core, belting layer, optical fiber, optical fiber jacket, armour, flame-retardant layer and pre-oxidized fibers bar, it is characterized in that: the utility model is flat composite construction, described conductor and optical fiber have two at least, two conductors are bilateral symmetry, two optical fiber are upper and lower symmetrical structure, strengthening core is provided with in the middle of conductor and optical fiber, described optical fiber is wrapped with optical fiber jacket, described conductor is wrapped with insulating barrier, described insulating barrier and optical fiber jacket are wrapped with belting layer, described belting layer is outside equipped with metal screen layer, described metal screen layer is outside equipped with flame-retardant layer, pre-oxidized fibers bar is provided with in flame-retardant layer, described flame-retardant layer is outside equipped with armour.
2. according to the fire-retardant photovoltaic cable of the one described in claim 1, it is characterized in that: described insulating barrier and optical fiber jacket are wrapped with belting layer, belting layer adopts crosslinked polyethylene to be material.
3. according to the fire-retardant photovoltaic cable of the one described in claim 1, it is characterized in that: described belting layer is outside equipped with metal screen layer, metal screen layer adopts tin plated steel wire or zinc-plated nickel-copper wire to be material.
4. according to the fire-retardant photovoltaic cable of the one described in claim 1, it is characterized in that: described metal screen layer is outside equipped with flame-retardant layer, its thickness is 0.5mm ~ 0.8mm.
5. according to the fire-retardant photovoltaic cable of the one described in claim 1, it is characterized in that: containing more than 5 pre-oxidized fibers bars in described flame-retardant layer.
6. according to the fire-retardant photovoltaic cable of the one described in claim 1, it is characterized in that: the insulating barrier of described conductor outer wrapping adopts cross-linked polyolefin to be material.
7. according to the fire-retardant photovoltaic cable of the one described in claim 1, it is characterized in that: described conductor is formed by many tin-coated copper monofilament are stranded.
8. according to the fire-retardant photovoltaic cable of the one described in claim 1, it is characterized in that: described strengthening core is square, and employing tin plated steel wire is material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684543.5U CN204303428U (en) | 2014-11-14 | 2014-11-14 | A kind of fire-retardant photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684543.5U CN204303428U (en) | 2014-11-14 | 2014-11-14 | A kind of fire-retardant photovoltaic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204303428U true CN204303428U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420684543.5U Expired - Fee Related CN204303428U (en) | 2014-11-14 | 2014-11-14 | A kind of fire-retardant photovoltaic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204303428U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138862A (en) * | 2019-12-31 | 2020-05-12 | 江苏江扬电缆有限公司 | Silicone rubber belt and underwater cable comprising same |
| CN111334048A (en) * | 2019-12-31 | 2020-06-26 | 江苏江扬电缆有限公司 | Silicone rubber sheath and cable prepared by applying same |
| CN113113183A (en) * | 2021-03-09 | 2021-07-13 | 安徽渡江电缆集团有限公司 | Rare earth aluminum alloy photovoltaic special cable |
-
2014
- 2014-11-14 CN CN201420684543.5U patent/CN204303428U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138862A (en) * | 2019-12-31 | 2020-05-12 | 江苏江扬电缆有限公司 | Silicone rubber belt and underwater cable comprising same |
| CN111334048A (en) * | 2019-12-31 | 2020-06-26 | 江苏江扬电缆有限公司 | Silicone rubber sheath and cable prepared by applying same |
| CN111334048B (en) * | 2019-12-31 | 2022-04-15 | 江苏江扬电缆有限公司 | Silicone rubber sheath and cable prepared by applying same |
| CN111138862B (en) * | 2019-12-31 | 2022-04-19 | 江苏江扬电缆有限公司 | Silicone rubber belt and underwater cable comprising same |
| CN113113183A (en) * | 2021-03-09 | 2021-07-13 | 安徽渡江电缆集团有限公司 | Rare earth aluminum alloy photovoltaic special cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151114 |
|
| EXPY | Termination of patent right or utility model |