CN205354751U - Photovoltaic cable - Google Patents
Photovoltaic cable Download PDFInfo
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- CN205354751U CN205354751U CN201620128816.7U CN201620128816U CN205354751U CN 205354751 U CN205354751 U CN 205354751U CN 201620128816 U CN201620128816 U CN 201620128816U CN 205354751 U CN205354751 U CN 205354751U
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- photovoltaic cable
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Abstract
The utility model relates to a photovoltaic cable, photovoltaic cable is from interior to outer including conductor, semiconductive shielding layer, insulating layer, fire -retardant layer, armor and sheath, the insulating layer comprises TPV, the sheath sets up the layer into radiation cross -linking polyolefin insulation. Because this practical photovoltaic cable insulating layer adopts TPV (polyolefin alloy thermoplastic elastomer ) NULL, the sheath sets up the layer into radiation cross -linking polyolefin insulation, and inside is provided with steel wire armoring layer for photovoltaic cable environmental protection, high temperature resistant, cold -resistant, resistant oil, acid and alkali -resistance salt, prevent insect, its superior performance can be used for many years.
Description
Technical field
This utility model belongs to field of cable technology, is specifically related to a kind of photovoltaic cable.
Background technology
The conductor outsourcing insulation by one or more mutually insulated is commonly considered as by cable and protective layer is made, by electric power or information from a wire being transferred to another place.Existing cable is to be divided into control cable, compensating cable, shielded cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable, photovoltaic cable etc..
In recent years, along with government widelys popularize new forms of energy policy, solar energy increasingly receives publicity as one extremely important in new forms of energy, solar energy now applies to every field such as set up photovoltaic plant and utilize solar electrical energy generation, abundant area at sunshine generally it is built in due to photovoltaic plant, the local general nature bad environments that sunshine is sufficient, temperature is hot, ultraviolet radiation is big, photovoltaic cable is as the key component in photovoltaic generation, it is followed solar energy system and usually can use in harsh environments, such as such as high temperature (100 DEG C) and ultraviolet radiation, day and night temperature is big, worm ant gnaws and bites, soda acid invasion and attack etc., photovoltaic cable is wanted long-term and is used in such adverse circumstances, the structural requirement of photovoltaic cable is higher.The maximum amount fixed temperature of existing common cable common cable work is 90 DEG C, it is impossible to meets the high temperature demands of photovoltaic cable, and is difficult to meet the requirement such as anti-ultraviolet, cold-resistant, ant prevention, therefore needs a kind of new photovoltaic cable of development badly.
Summary of the invention
The purpose of this utility model is in that to overcome above-mentioned the deficiencies in the prior art and provides a kind of photovoltaic cable to solve in prior art the maximum amount fixed temperature of existing common cable common cable work for 90 DEG C, it is impossible to meets the high temperature demands of photovoltaic cable and is difficult to meet anti-ultraviolet, resists cold, puts the technical problems such as worm ant.
This utility model is by the following technical solutions:
Thering is provided a kind of photovoltaic cable, described photovoltaic cable includes conductor, semiconductive shielding layer, insulating barrier, flame-retardant layer, armor and sheath from the inside to the outside, and described insulating barrier is made up of TPV, and described sheath is set to irradiation crosslinked polyolefin insulating layer.
Being preferably, described conductor is set to stranded bare copper wire or tinned copper wire.
Being preferably, described semiconductive shielding layer adopts crosslinked polyethylene semi-conductive shielding material, and thickness is 0.2-0.4mm.
Being preferably, described flame-retardant layer is set to polypropylene (PP).
Being preferably, described armor is formed by finer wire braiding, and its gap is 0.1mm-0.2mm.
It is preferably, in described armor, is filled with pungent agent.
Owing to this practicality photovoltaic cable insulating barrier adopts TPV(polyolefin alloy thermoplastic elastomer (TPE)) material composition, sheath is set to irradiation crosslinked polyolefin insulating layer, it is internally provided with steel wire armor layer, make photovoltaic cable environmental protection, high temperature resistant, cold-resistant, oil resistant, acidproof alkali salt, ant prevention, its superior performance, it is possible to use for many years.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
In figure, 1-conductor, 2-semiconductive shielding layer, 3-insulating barrier, 4-flame-retardant layer, 5-armor, 6-finer wire, 7-sheath.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
As it is shown in figure 1, this utility model is from inside to outside followed successively by conductor 1, semiconductive shielding layer 2, insulating barrier 3, flame-retardant layer 4, armor 5 and sheath 7 for a kind of photovoltaic cable.
Wherein, conductor 1 is set to stranded bare copper wire or tinned copper wire, conductive shielding layer 2 adopts crosslinked polyethylene semi-conductive screen material, thickness is 0.2-0.4mm, the semiconductive shielding layer that this thickness is arranged, can the electric field of efficient balance electricity surface, insulating barrier 3 is by TPV(polyolefin alloy thermoplastic elastomer (TPE)) material constitutes, TPV is except excellent electrical insulation capability, it also has good elasticity and compression resistant morphotropism, resistance to environment, resistance to ag(e)ing and temperature limit wide (-60-150 DEG C), therefore at photovoltaic cable by external pressure, there is good elasticity and compression resistant morphotropism due to TPV, it can protect the conductor 1 of inside, and owing to its application of temperature is wide, adapt to the working environment of photovoltaic cable high temperature, additionally TPV is recyclable is a kind of environment-friendly materials, flame-retardant layer 4 it is extruded with outside insulating barrier 3, flame-retardant layer 4 is set to polypropylene (PP) material, its good flame resistance, armor 5 it is extruded with between flame-retardant layer 4 and sheath 7, armor 5 is formed by finer wire 6 uniform weave, its gap is 0.1mm-0.2mm, it is filled with pungent agent in armor 5 to be possible to prevent worm ant to gnaw to bite, sheath 7 wraps up armor 5, sheath 8 is set to irradiation crosslinked polyolefin insulating layer, the thickness of this layer is 0.9-1.4mm, owing to sheath 8 is set to irradiation crosslinked polyolefin insulating layer, make sheath 8 high temperature resistant, cold-resistant, oil resistant, acidproof alkali salt, anti-ultraviolet, fire-retardant, thus photovoltaic electric power cable is mainly used under environment relatively harsh climate, more than 25 years service life.The cable that this kind of structure is arranged, adopt multilayer screen effect, insulating barrier 3 adopts TPV(polyolefin alloy thermoplastic elastomer (TPE)) material composition, sheath 8 is set to irradiation crosslinked polyolefin insulating layer, it is internally provided with steel wire armor layer, make photovoltaic cable environmental protection, high temperature resistant, cold-resistant, oil resistant, acidproof alkali salt, ant prevention, its superior performance, it is possible to use for many years.
Owing to this practicality photovoltaic cable insulating barrier 3 adopts TPV(polyolefin alloy thermoplastic elastomer (TPE)) material composition, sheath 8 is set to irradiation crosslinked polyolefin insulating layer, it is internally provided with steel wire armor layer, make photovoltaic cable environmental protection, high temperature resistant, cold-resistant, oil resistant, acidproof alkali salt, ant prevention, its superior performance, it is possible to use for many years.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (6)
1. a photovoltaic cable, it is characterised in that described photovoltaic cable includes conductor, semiconductive shielding layer, insulating barrier, flame-retardant layer, armor and sheath from the inside to the outside, and described insulating barrier is made up of TPV, and described sheath is set to irradiation crosslinked polyolefin insulating layer.
2. a kind of photovoltaic cable according to claim 1, it is characterised in that described conductor is set to stranded bare copper wire or tinned copper wire.
3. a kind of photovoltaic cable according to claim 2, it is characterised in that described semiconductive shielding layer adopts crosslinked polyethylene semi-conductive shielding material, and thickness is 0.2-0.4mm.
4. a kind of photovoltaic cable according to claim 3, it is characterised in that described flame-retardant layer is set to polypropylene.
5. a kind of photovoltaic cable according to claim 1, it is characterised in that described armor is formed by finer wire braiding, and its gap is 0.1mm-0.2mm.
6. a kind of photovoltaic cable according to claim 5, it is characterised in that be filled with pungent agent in described armor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128816.7U CN205354751U (en) | 2016-02-19 | 2016-02-19 | Photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128816.7U CN205354751U (en) | 2016-02-19 | 2016-02-19 | Photovoltaic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205354751U true CN205354751U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620128816.7U Active CN205354751U (en) | 2016-02-19 | 2016-02-19 | Photovoltaic cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN205354751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092969A (en) * | 2019-05-06 | 2019-08-06 | 山东虎力机械有限公司 | A kind of high stability cable |
-
2016
- 2016-02-19 CN CN201620128816.7U patent/CN205354751U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092969A (en) * | 2019-05-06 | 2019-08-06 | 山东虎力机械有限公司 | A kind of high stability cable |
| CN110092969B (en) * | 2019-05-06 | 2021-08-24 | 内蒙古仁达特种电缆有限公司 | High-stability cable |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |