CN201829216U - Special weather resistant type environmentally friendly cable for solar photovoltaic power generation - Google Patents
Special weather resistant type environmentally friendly cable for solar photovoltaic power generation Download PDFInfo
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- CN201829216U CN201829216U CN2010205491929U CN201020549192U CN201829216U CN 201829216 U CN201829216 U CN 201829216U CN 2010205491929 U CN2010205491929 U CN 2010205491929U CN 201020549192 U CN201020549192 U CN 201020549192U CN 201829216 U CN201829216 U CN 201829216U
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- weather resistant
- friendly cable
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Abstract
The utility model discloses a special weather resistant type environmentally friendly cable for solar photovoltaic power generation, which comprises a conductor formed by twisting a plurality of strands of tinned soft copper wires, wherein the conductor is coated with an insulation layer formed by 105 DEG C irradiation crosslinking polyolefin insulating material in an extrusion mode, the insulation layer is coated with a temperature-resistant fiber glass belt isolation layer in a winding mode, and the outermost layer of the cable is an outer sheath. The insulation layer and the sheath are both made of irradiation crosslinking polyolefin insulating material higher than or equal to 105 DEG C, and are irradiated by an electron accelerator. The cable not only has better electric insulation performance, but also has stronger high temperature resistant performance and weather resistant performance, particularly the ozone and ultraviolet ray resistant performance, and the service life of the cable is more than 20 years.
Description
Technical field:
The utility model relates to a kind of solar energy power generating dedicated weather-proof type environment-friendly cable.
Background technology:
Along with the promulgation and the enforcement of " regenerative resource method ", it is transparent that the basic principle of renewable energy power generation rate for incorporation into the power network has become.From the quantity of resource, the generality of distribution, the reliability of technology, photovoltaic generation has more superiority than other regenerative resources, as the important component part that regenerative resource is used, global in recent years photovoltaic generation industry is with average speed rapid growth more than 30%.Expectation reduces discharging under the pulling of action and preferential policy in various countries, and industry development will further be accelerated.The wiring system that is thus connected photovoltaic module also will obtain significant progress.But because solar energy system is used for comparatively under the harsh environmental conditions mostly with assembly, as ultraviolet radiation, high temperature resistant, long-term solar radiation etc., it is not enough that existing market uses more igelite, twisted polyethylene cable etc. to be temperature resistant grade, can not use for a long time, cause use cost to greatly increase, and problems such as temperature resistant grade is low, ampacity is low, and dielectric loss is big are outstanding.Though the other exotic material can satisfy high temperature resistant requirement, because shortcomings such as its ultra-violet radiation resisting poor performance, its scope of application is restricted, and also has influence on the useful life of solar energy system greatly.
Solar energy power generating dedicated weather-proof type environment-friendly cable also should solve following problem except higher electrical insulation capability and ageing properties are arranged:
1, resistance to elevated temperatures.Because of long its of cable is subjected to solar radiation, higher heat resistance be arranged.
Cable also should have the performance of stronger ultra-violet radiation resisting, day light aging except that heat resistance preferably.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of solar energy power generating dedicated weather-proof type environment-friendly cable, has excellent electrical insulation capability, resistance to elevated temperatures, light aging in anti-day and ultra-violet radiation resisting performance, ozone resistance preferably.
The utility model technical solution problem adopts following technical scheme:
Solar energy power generating dedicated weather-proof type environment-friendly cable, comprise the conductor that the zinc-plated soft copper skein silk of multiply closes, the conductor skin is extruded with the insulating barrier that 105 ℃ of cross-linking radiation polyolefin insulation materials form, the outer wrapped heatproof glass fibre belt separator of insulating barrier, and the outermost layer of cable is an oversheath.
Described oversheath adopts 105 ℃ of cross-linking radiation polyolefine materials of weather resistant to extrude formation.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, by structure, material and technologic design to solar energy power generating dedicated weather-proof type environment-friendly cable, every performance of cable all meets design requirement and instructions for use.
2, the technical performance index of the invention:
2.1 operating voltage: 600/1000V and following;
2.2 test voltage: 0.6/1kV cable: 3.5kV/5min.
2.3 conductor resistance meets the regulation of 5 class tin-coated copper conductors among the GB/T3956 in the time of 20 ℃.And by the test of coat of metal salt spray resistance.
2.4 the long-term permission working temperature of cable :-40～+ 105 ℃.
2.5 the tensile strength 〉=6MPa of insulation, elongation at break 〉=200%, insulation can be passed through 136 ℃ * 168h high-temperature circulation test, and the tensile strength rate of change after it wears out and the rate of change of elongation at break be not more than ± and 30%.Air bomb aging tension test: air pressure 5.5bar (127 ℃) tensile strength variation≤+ 30%, elongation at break variation≤+ 30%; Hot elongation test: 250 ± 3 ℃ of oven temperatures, percentage elongation under the mechanical pressure 20N/cm2 load≤100%, unloading back percentage elongation≤25%
2.6 the tensile strength 〉=12MPa of sheath, elongation at break 〉=300%; By 135 ℃ * 168h high-temperature circulation test, the tensile strength rate of change after it is aging and the rate of change of elongation at break be not more than ± and 30%.
2.7 cryogenic tensile, the low-temperature impact test of insulation and sheath, test temperature is-40 ℃.Insulation of test back and jacket surface are answered the flawless phenomenon.
2.8 the sheath of cable should stand 100 ℃, the test of the mineral oil of 24h, and the tensile strength rate of change after it is aging and the rate of change of elongation at break be not more than ± and 40%.
2.9 the insulation of cable and sheath are by 25 ℃, 24h, ozone concentration are that the ozone resistance test of 250～300ppm does not ftracture.
2.10 atmospheric exposure test sheath low temperature bend test: temperature in the refrigerator-freezer-40 ± 2 ℃, 16 hours, test back inspection was not seen the crack; Insulation and the anti-ozone of sheath: ozone concentration 250-300pphm, 24h, inspection 180o sweep does not have cracking; The sheath weatherability cycle: and then watering 18min, 45 ± 5 ℃ of total testing times of the dry 102min probe temperature of xenon lamp 500h at least carry out bend test under the room temperature condition, free from flaw.
3, because of this cable by above-mentioned test, just can satisfy the requirement of solar energy power generating dedicated weather-proof type environment-friendly cable, because of adopting tin-coated copper wire harness strand, conductor forms simultaneously, can prevent the corrosion of salt fog to copper conductor, and the conductor working temperature is also brought up to 105 ℃ and following, the corresponding ampacity that has just improved cable, make cable under the situation of same ampacity, the cross-section of cable just can reduce, the weight of cable also can reduce, and this is for the installation of solar energy power generating dedicated weather-proof type environment-friendly cable and lay and also alleviated work difficulty.Characteristic of this cable and advantage have all surpassed the level of existing solar energy power generating dedicated weather-proof type environment-friendly cable both at home and abroad, have reached international most advanced level.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Number in the figure: 1 conductor, 2 insulating barriers, 3 separators, 4 oversheaths.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment:
Embodiment: in conjunction with Fig. 1, present embodiment solar energy power generating dedicated weather-proof type environment-friendly cable, cable conductor is a multi-core conductor, each conductor 1 is closed by many zinc-plated soft copper skein silks of multiply and forms, its performance meets the requirement of the 5th kind of flexible conductor of GB/T3956-2008, the working temperature of tinned conductor can allow below 150 ℃, and has the performance of resisting salt fog corrosion.105 ℃ of cross-linking radiation polyolefin insulation materials of conductor 1 outer employing extrude and form insulating barrier 2; insulating barrier 2 outer wrapped heatproof glass straps are separator 3; the outermost layer of cable is an oversheath 4; adopt weather resistant cross-linking radiation polyolefin ring protection jacking; have excellent light aging in anti-day, anti-ultraviolet property, reach fire resistance and environmental-protecting performance preferably.
Claims (2)
1. solar energy power generating dedicated weather-proof type environment-friendly cable, it is characterized in that the conductor (1) that comprises that the zinc-plated soft copper skein silk of multiply closes, conductor (1) skin is extruded with the insulating barrier (2) that 105 ℃ of cross-linking radiation polyolefin insulation materials form, the outer wrapped heatproof glass fibre belt separator (3) of insulating barrier (2), the outermost layer of cable is oversheath (4).
2. solar energy power generating dedicated weather-proof type environment-friendly cable according to claim 1 is characterized in that described oversheath (4) adopts 105 ℃ of cross-linking radiation polyolefine materials of weather resistant to extrude formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205491929U CN201829216U (en) | 2010-09-26 | 2010-09-26 | Special weather resistant type environmentally friendly cable for solar photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205491929U CN201829216U (en) | 2010-09-26 | 2010-09-26 | Special weather resistant type environmentally friendly cable for solar photovoltaic power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201829216U true CN201829216U (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205491929U Expired - Fee Related CN201829216U (en) | 2010-09-26 | 2010-09-26 | Special weather resistant type environmentally friendly cable for solar photovoltaic power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201829216U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109759A (en) * | 2018-02-01 | 2018-06-01 | 国网黑龙江省电力有限公司大兴安岭供电公司 | High temperature resistant photovoltaic cable and construction method |
| CN114864142A (en) * | 2022-06-21 | 2022-08-05 | 远东电缆有限公司 | Self-bearing cable and production process thereof |
-
2010
- 2010-09-26 CN CN2010205491929U patent/CN201829216U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109759A (en) * | 2018-02-01 | 2018-06-01 | 国网黑龙江省电力有限公司大兴安岭供电公司 | High temperature resistant photovoltaic cable and construction method |
| CN114864142A (en) * | 2022-06-21 | 2022-08-05 | 远东电缆有限公司 | Self-bearing cable and production process thereof |
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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: 20110511 Termination date: 20150926 |
|
| EXPY | Termination of patent right or utility model |