CN204178759U - There is the photovoltaic cable of low smoke, zero halogen oil resistant insulating layer - Google Patents
There is the photovoltaic cable of low smoke, zero halogen oil resistant insulating layer Download PDFInfo
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- CN204178759U CN204178759U CN201420644622.3U CN201420644622U CN204178759U CN 204178759 U CN204178759 U CN 204178759U CN 201420644622 U CN201420644622 U CN 201420644622U CN 204178759 U CN204178759 U CN 204178759U
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Abstract
The utility model discloses a kind of photovoltaic cable with low smoke, zero halogen oil resistant insulating layer, comprise conductor, oil resistant insulating layer, aluminium foil layer and restrictive coating, described conductor comprises the first conductor element, second conductor element, 3rd conductor element, 4th conductor element and be coated on the first conductor element respectively, second conductor element, 3rd conductor element, mica belt outside 4th conductor element, the outer coated oil resistant insulating layer successively of described conductor, aluminium foil layer, restrictive coating, described oil resistant insulating layer and restrictive coating are made up of low smoke, zero halogen oil resistant insulating material, there is the advantage of high flame retardant and oil resistance.
Description
Technical field
The utility model belongs to field of cable technology, specifically relates to a kind of photovoltaic cable with low smoke, zero halogen oil resistant insulating layer.
Background technology
Heliotechnics will become one of the green energy resource technology in future, and solar energy or photovoltaic (PV) are applied day by day extensive in China.Photovoltaic cable is as one of vitals in photovoltaic industry chain, and its development speed is advanced by leaps and bounds equally.And meet the requirement of European Union TUV photovoltaic cable halogen-free low-smoke insulating material, must be non-halogen, National Technical department has also formulated corresponding technical standard simultaneously, require high, technical difficulty large, basic need is from external import.
The characteristic of photovoltaic cable is determined by its cable special isolation material and protective cover material, and after irradiation accelerator irradiation, the molecular structure of CABLE MATERIALS can change, thus provides the performance of its aspect.In fact, during installation and maintenance, cable can connect up resistance to mechanical load on the sharp edge of roof structure, and cable must bear pressure, bending, tension force, be stretched across load and brute force attack simultaneously.If cable cover(ing) insufficient strength, then cable insulation will be subject to badly damaged, thus affects the useful life of whole cable, or causes short circuit, fire and personnel to injure the appearance of the problems such as danger.Therefore, in the urgent need to develop a kind of install safety, high flame retardant, fire-resistant oil resistant photovoltaic cable to meet the demand of existing market.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, provides the photovoltaic cable with low smoke, zero halogen oil resistant insulating layer that a kind of structure is simple, have high flame retardant and oil resistance.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
A kind of photovoltaic cable with low smoke, zero halogen oil resistant insulating layer, comprise conductor, oil resistant insulating layer, aluminium foil layer and restrictive coating, the mica belt that described conductor comprises the first conductor element, the second conductor element, the 3rd conductor element, the 4th conductor element and is coated on respectively outside the first conductor element, the second conductor element, the 3rd conductor element, the 4th conductor element, described conductor outer coated oil resistant insulating layer, aluminium foil layer, restrictive coating successively, described oil resistant insulating layer and restrictive coating are made up of low smoke, zero halogen oil resistant insulating material.
Further, the first conductor element, the second conductor element, the 3rd conductor element and the 4th conductor element lead core composition by some copper.
Further, between described conductor and oil resistant insulating layer, form packing space, in described packing space, be filled with asbestos.
Further, described oil resistant insulating layer and restrictive coating are made by EPCV material.
Further, the thickness of described restrictive coating is greater than oil resistant insulating layer.
The beneficial effects of the utility model are:
(1) there is excellent fire resistance and oil preventing performance, halogen-free flameproof VW-1 can be realized, and by the grease proofing requirement in UL44;
(2) during product burning, smoke release is extremely low, and in cigarette, light transmittance can reach more than 90%;
(3) there is good elasticity and excellent electric property.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.In the accompanying drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
According to Fig. 1, a kind of photovoltaic cable with low smoke, zero halogen oil resistant insulating layer, comprises conductor 1, oil resistant insulating layer 3, aluminium foil layer 4 and restrictive coating 5.Described conductor 1 comprises the first conductor element 101, second conductor element 102, the 3rd conductor element 103, the 4th conductor element 104 and mica belt 2, first conductor element 101, second conductor element 102, the 3rd conductor element 103 and the 4th conductor element 104 be coated on respectively outside the first conductor element 101, second conductor element 102, the 3rd conductor element 103, the 4th conductor element 104 leads core composition by some copper.Adopt the technical scheme of the first conductor element 101, second conductor element 102, the 3rd conductor element 103 and the 4th conductor element 104 compared with traditional technical scheme, when photovoltaic cable cross-sectional area is identical, improve efficiency and the reliability of photovoltaic cable.
The outer coated mica belt 2 respectively of first conductor element 101, second conductor element 102, the 3rd conductor element 103 and the 4th conductor element 104, mica belt 2 has good resistance to elevated temperatures and flame resistance energy, adopt this structure, installation and maintenance is safer in actual use.Described conductor 1 outer coated oil resistant insulating layer 3, aluminium foil layer 4, restrictive coating 5 successively, form packing space between conductor 1 and oil resistant insulating layer 3, is filled with for asbestos that are heat insulation and shielding in described packing space.The thickness of described restrictive coating 5 is greater than oil resistant insulating layer 3, strengthens the reliability of photovoltaic cable.
Described oil resistant insulating layer 3 and restrictive coating 5 are made up of low smoke, zero halogen oil resistant insulating material, the insulating material of photovoltaic cable and sheath material are the key factors affecting photovoltaic cable characteristic, oil resistant insulating layer 3 and restrictive coating 5 select EPCV material, EPCV material is the blend of a kind of rubber and plastics, Chinese Patent Application No. is the preparation method having disclosed EPCV material in the invention " a kind of 125 DEG C of cross-linking radiation EPCV photovoltaic Halogen insulated cable materials and preparation method thereof " of 201310462496.X, it is made up of following raw material by weight: ethylene propylene diene rubber 10-20 part, thermoplastic elastomer (TPE) 0-5 part, polyethylene 0-25 part, ethylene-vinyl acetate copolymer 0-15 part, compatilizer 1-5 part, aluminium hydroxide 45-65 part, stabilization agent 1-3 part, silicone master batch 1-3 part.EPCV material has the outstanding mechanical property of the elasticity of rubber excellence and high fillibility and plastics and processing characteristics, EPCV material is adopted to make oil resistant insulating layer and restrictive coating, make photovoltaic cable have high fire resistance and excellent oil resistance, and possess good elasticity and excellent electric property.EPCV is a kind of environment-friendly materials in addition, and when the product that the utility model is produced burns, smoke release is extremely low, and in cigarette, light transmittance can reach more than 90%, meets the requirement of photovoltaic cable to low cigarette.
Last it is noted that these are only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. one kind has the photovoltaic cable of low smoke, zero halogen oil resistant insulating layer, it is characterized in that, comprise conductor (1), oil resistant insulating layer (3), aluminium foil layer (4) and restrictive coating (5), described conductor (1) comprises the first conductor element (101), second conductor element (102), 3rd conductor element (103), 4th conductor element (104) and be coated on the first conductor element (101) respectively, second conductor element (102), 3rd conductor element (103), 4th conductor element (104) mica belt (2) outward, the outer coated oil resistant insulating layer (3) successively of described conductor 1, aluminium foil layer (4) and restrictive coating (5), described oil resistant insulating layer (3) and restrictive coating (5) are made up of low smoke, zero halogen oil resistant insulating material.
2. a kind of photovoltaic cable with low smoke, zero halogen oil resistant insulating layer according to claim 1, it is characterized in that, the first conductor element (101), the second conductor element (102), the 3rd conductor element (103) and the 4th conductor element (104) lead core composition by some copper.
3. a kind of photovoltaic cable with low smoke, zero halogen oil resistant insulating layer according to claim 1, is characterized in that, forms packing space, be filled with asbestos in described packing space between described conductor (1) and oil resistant insulating layer (3).
4. a kind of photovoltaic cable with low smoke, zero halogen oil resistant insulating layer according to claim 1, is characterized in that, described oil resistant insulating layer (3) and restrictive coating (5) are made by EPCV material.
5. a kind of photovoltaic cable with low smoke, zero halogen oil resistant insulating layer according to claim 1, is characterized in that, the thickness of described restrictive coating (5) is greater than oil resistant insulating layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644622.3U CN204178759U (en) | 2014-10-31 | 2014-10-31 | There is the photovoltaic cable of low smoke, zero halogen oil resistant insulating layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644622.3U CN204178759U (en) | 2014-10-31 | 2014-10-31 | There is the photovoltaic cable of low smoke, zero halogen oil resistant insulating layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178759U true CN204178759U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420644622.3U Active CN204178759U (en) | 2014-10-31 | 2014-10-31 | There is the photovoltaic cable of low smoke, zero halogen oil resistant insulating layer |
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| CN (1) | CN204178759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021072834A1 (en) * | 2019-10-18 | 2021-04-22 | 江苏亨通电力电缆有限公司 | Fan bridge frame cable |
-
2014
- 2014-10-31 CN CN201420644622.3U patent/CN204178759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021072834A1 (en) * | 2019-10-18 | 2021-04-22 | 江苏亨通电力电缆有限公司 | Fan bridge frame cable |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |