CN208767050U - Alternating current-direct current Composite Double insulated photovoltaic line - Google Patents
Alternating current-direct current Composite Double insulated photovoltaic line Download PDFInfo
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- CN208767050U CN208767050U CN201821679116.2U CN201821679116U CN208767050U CN 208767050 U CN208767050 U CN 208767050U CN 201821679116 U CN201821679116 U CN 201821679116U CN 208767050 U CN208767050 U CN 208767050U
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- Organic Insulating Materials (AREA)
Abstract
The utility model relates to a kind of alternating current-direct current Composite Double insulated photovoltaic lines, belong to photovoltaic wire technical field.The utility model proposes alternating current-direct current compound inslation photovoltaic wire include successively wrapping the core set, wrapping layer, inner insulating layer, external insulation layer and nylon layer from inside to outside, the thickness of wrapping layer is less than or equal to 0.14mm, the overlapping overlap rate of wrapping layer is 10-20%, the thickness 0.2-0.6mm of nylon layer.Compared with existing similar photovoltaic wire, the utility model proposes alternating current-direct current Composite Double insulated photovoltaic line have the excellent performances such as thin-walled, rat-and-ant proof, fire-retardant, photovoltaic system can be applied to, safely and reliably to improve the service life of entire photovoltaic system.
Description
Technical field
The utility model relates to photovoltaic wire technical fields, in particular to a kind of alternating current-direct current Composite Double insulated photovoltaic line.
Background technique
Photovoltaic system is usually mounted to open air, and running environment is severe, many project experience have shown that, the material that uses of open air is answered
Depending on ultraviolet light, ozone, dramatic temperature variation and chemical erosion situation.People usually will not will connection photovoltaic module and inverse
The wiring system for becoming device is considered as critical component, but in photovoltaic system using photovoltaic wire is very necessary, photovoltaic wire used
Quality and the service life of entire photovoltaic system it is tightly related, select conventional photovoltaic line not only bring security risk, also reduce light
The service life of volt system.
Since the service condition of photovoltaic system is severe, the design and type selecting of photovoltaic wire are needed in view of high temperature resistant, UV resistance
Beta radiation, weather proof, corrosion-resistant, high-low temperature resistant change and the factors such as rat-and-ant proof bites.If using biography under this kind of environment
System photovoltaic wire, it is frangible to will lead to photovoltaic wire sheath, or even can decompose photovoltaic line insulating layer, this can directly increase photovoltaic system damage
It loses, while the risk that short circuit occurs also will increase, in a midium or long term, fire occurs or a possibility that personal injury is also higher.Mesh
Preceding photovoltaic wire design is main to consider high temperature resistant, antiultraviolet and anti-mechanical shock etc., and by increasing insulating layer and sheath
The thickness of layer improves its safety and reliability；However, the increase of outer diameter limits the scope of application of photovoltaic wire, for example can not answer
Occasion for needing Durchgangshohle or bunchy to arrange, while also reducing the flexibility of photovoltaic wire.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of alternating current-direct current compound inslation photovoltaic wire, there is thin-walled, protection against rodents
The excellent performances such as ant, fire-retardant can safely and reliably be applied to photovoltaic system, improve the above problem.
The utility model is realized in this way:
The embodiments of the present invention provide a kind of alternating current-direct current Composite Double insulated photovoltaic line, applied to being below or equal to
The direct current or alternating current circuit of 2000V, the alternating current-direct current Composite Double insulated photovoltaic line successively include core, wrapped from inside to outside
The thickness of layer, inner insulating layer, external insulation layer and nylon layer, the wrapping layer is less than or equal to 0.14mm, the weight of the wrapping layer
Folded overlap rate is 10-20%, the thickness 0.2-0.6mm of the nylon layer.
In the utility model optional embodiment, the core is copper, aluminium or aluminium alloy conductive core.
In the utility model optional embodiment, the core is that multifilament is twisted core.
In the utility model optional embodiment, the wrapping layer is mica belt.
In the utility model optional embodiment, the wrapping layer is ceramic fireproof composite layer.
In the utility model optional embodiment, the inner insulating layer is fire-retardant irradiation crosslinked polyolefin insulating layer.
In the utility model optional embodiment, the external insulation layer is fire-retardant irradiation crosslinked polyolefin insulating layer, resistance
Combustion grade is UL standard VW-1 rank.
In the utility model optional embodiment, the outer surface of the nylon layer is equipped with multiple protrusions, the multiple convex
The length direction arrangement along the alternating current-direct current Composite Double insulated photovoltaic line is played, and along the alternating current-direct current Composite Double insulated photovoltaic line
Circumferentially it is uniformly distributed.
In the utility model optional embodiment, the alternating current-direct current Composite Double insulated photovoltaic line includes set on described outer exhausted
Waterproof layer between edge layer and the nylon layer.
In the utility model optional embodiment, the alternating current-direct current Composite Double insulated photovoltaic line includes tear rope, described
Tear rope is set to the outer surface of the waterproof layer and arranges along the length direction of the alternating current-direct current Composite Double insulated photovoltaic line.
Compared with prior art, the utility model has the following beneficial effects: the utility model proposes alternating current-direct current compound inslation
Photovoltaic wire includes successively wrapping the core set, wrapping layer, inner insulating layer, external insulation layer and nylon layer from inside to outside, the thickness of wrapping layer
Degree is less than or equal to 0.14mm, and the overlapping overlap rate of wrapping layer is 10-20%, the thickness 0.2-0.6mm of nylon layer.With it is existing
Similar photovoltaic wire compare, the alternating current-direct current compound inslation photovoltaic wire have the excellent performances such as thin-walled, rat-and-ant proof, fire-retardant, Neng Gouan
It is to reliably applied to photovoltaic system entirely, to improve the service life of entire photovoltaic system.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the first cross section structure signal for the alternating current-direct current compound inslation photovoltaic wire that the utility model first embodiment provides
Figure；
Fig. 2 is the second cross section structure signal for the alternating current-direct current compound inslation photovoltaic wire that the utility model first embodiment provides
Figure；
Fig. 3 is the first cross section structure signal for the alternating current-direct current compound inslation photovoltaic wire that the utility model second embodiment provides
Figure；
Fig. 4 is the first cross section structure signal for the alternating current-direct current compound inslation photovoltaic wire that the utility model 3rd embodiment provides
Figure.
Icon: 10- alternating current-direct current compound inslation photovoltaic wire；11- core；12- wrapping layer；13- inner insulating layer；14- external insulation
Layer；15- nylon layer；20- alternating current-direct current compound inslation photovoltaic wire；21- core；22- wrapping layer；23- inner insulating layer；24- external insulation
Layer；25- nylon layer；26- protrusion；30- alternating current-direct current compound inslation photovoltaic wire；31- core；32- wrapping layer；33- inner insulating layer；
34- external insulation layer；35- waterproof layer；36- nylon layer；37- tear rope.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Fig. 1 is the cross-sectional structure signal for the alternating current-direct current compound inslation photovoltaic wire that the utility model first embodiment provides
Figure embodies the cross-sectional structure of alternating current-direct current compound inslation photovoltaic wire；Fig. 2 is the alternating current-direct current that the utility model first embodiment provides
The longitudinal sectional cross section structure schematic diagram of compound inslation photovoltaic wire along its length, cooperation Fig. 1 embody alternating current-direct current compound inslation jointly
The structure of photovoltaic wire；Fig. 3 is the cross-sectional structure for the alternating current-direct current compound inslation photovoltaic wire that the utility model second embodiment provides
Schematic diagram embodies the cross-sectional structure of another form of alternating current-direct current compound inslation photovoltaic wire；Fig. 4 is that the utility model third is real
It is compound absolutely to embody another form of alternating current-direct current for the cross-sectional structure schematic diagram for applying the alternating current-direct current compound inslation photovoltaic wire of example offer
The cross-sectional structure of edge photovoltaic wire.
First embodiment
Referring to Fig.1 and 2, the present embodiment provides a kind of alternating current-direct current Composite Double insulated photovoltaic lines 10, including from inside to outside
The core 11 set, wrapping layer 12, inner insulating layer 13, external insulation layer 14 and nylon layer 15 are successively wrapped, the thickness of wrapping layer 12 is less than
Or it is equal to 0.14mm, the overlapping overlap rate of wrapping layer 12 is 10-20%, the thickness 0.2-0.6mm of nylon layer 15.With it is existing same
Class photovoltaic wire is compared, and alternating current-direct current compound inslation photovoltaic wire 10 has the excellent performances such as thin-walled, rat-and-ant proof, fire-retardant, can safely may be used
It is applied to photovoltaic system by ground, to improve the service life of entire photovoltaic system.
Optionally, alternating current-direct current Composite Double insulated photovoltaic line 10 is applied to direct current or exchange below or equal to 2000V
Circuit.In the present embodiment, the double insulated photovoltaic lines 10 of alternating current-direct current can be applied to the electricity in photovoltaic generating system before transformer
The double insulated photovoltaic lines 10 of road system, i.e. alternating current-direct current may be used as in existing photovoltaic system module to header box, header box to inversion
Device, the photovoltaic wire in the circuit system of inverter to transformer bay.
Core 11 is copper, aluminium or aluminium alloy conductive core；Copper, aluminium or aluminium alloy conductive core conduct electricity very well, and soft
Good, the core 11 as alternating current-direct current Composite Double insulated photovoltaic line 10 of property, can be improved alternating current-direct current Composite Double insulated photovoltaic line 10
Electric conductivity and flexility.In the present embodiment, core 11 is copper (tin plating, nickel or silver-plated) core, in other of the present embodiment
In optional way, core 11 can also be the aluminium alloy of AA8000 series or copper clad aluminum etc..
Core 11 is that multifilament is twisted core；The form being twisted using multifilament can be such that core 11 has preferable
Resistance to twisting energy and tensile property.In the present embodiment, the twisted form of core 11 is that rule is twisted, and core 11 uses more copper
Single line is annealed, synnema, is twisted, and the performance requirements such as conductor DC resistance and structure size meet ASTM B8 and UL 1581
Defined Class B twisted copper conductors；11 surface of core answer it is bright and clean, without greasy dirt, the burr of not damaged insulation, sharp edge and protrusion
Or the single line of fracture.
The packet of wrapping layer 12 is set to outside core 11, and wrapping layer 12 is for fire resisting fire prevention, coating conductor to prevent inner insulating layer 13
It is embedded in core 11, wrapping layer 12 has good high temperature resistance and flame resistance energy；Wrapping layer 12 is set, keeps alternating current-direct current compound
Double insulated photovoltaic lines 10 are safe and reliable in engineering operation.
Optionally, wrapping layer 12 can be mica tape layer；Mica tape have excellent high temperature resistance, flame resistance energy and
Insulation performance, normality mica tape have good flexibility, are applied to production wrapping layer 12, core 11 can be guaranteed not by outside
High ambient temperature influences, and still has insulation performance in the case where 11 outer protection material damage of core.
Optionally, wrapping layer 12 can be ceramic fireproof composite layer；Ceramic fireproof composite layer can replace
Fireproof layer for mica belt as alternating current-direct current Composite Double insulated photovoltaic line 10, ceramic fireproof composite material it is close
Degree will be lower than mica tape, can reduce the weight of alternating current-direct current Composite Double insulated photovoltaic line 10, and have intensity height, mechanical performance
The advantages of excellent, high insulating property.
The thickness of wrapping layer 12 is less than or equal to 0.14mm, and it is wrapped that the overlapping overlap rate of wrapping layer 12, which is 10-20%,
The rational design parameter of layer 12.
Applicant obtains through numerous studies, when the thickness of wrapping layer 12 is less than or equal to 0.14mm, alternating current-direct current Composite Double
Insulated photovoltaic line 10 has preferable fireproof performance and preferable flexibility, and outer diameter is smaller, is suitable for Durchgangshohle ring
Border and other conditional occasions of outer diameter to alternating current-direct current Composite Double insulated photovoltaic line 10, and meet existing around packet technology
Technique.
Applicant obtains through numerous studies, when the overlapping overlap rate of wrapping layer 12 is 10-20% range, both can guarantee wrapped
The firm closure function and preferable flexibility of layer 12, and outer diameter is smaller, is suitable for Durchgangshohle environment and other are straight to handing over
Flow the conditional occasion of outer diameter of Composite Double insulated photovoltaic line 10.
Inner insulating layer 13 is fire-retardant irradiation crosslinked polyolefin insulating layer.In the present embodiment, inner insulating layer 13 is to meet
The photovoltaic wire of 90 DEG C of specifications of UL4703-2014 standard is with fire-retardant cross-linking radiation polyolefin layer, the polyolefin after cross-linking radiation
Intensity, elasticity, the hardness of Insulation Material are all improved, and solvent resistance, environmental stress cracking resistance also have great raising, resistance to
Hot and resistance to short-circuit temperature also significantly improves.
External insulation layer 14 is fire-retardant irradiation crosslinked polyolefin insulating layer, flame retardant rating VW-1.In the present embodiment, external insulation
The fire-retardant cross-linking radiation polyene of photovoltaic wire that layer 14 is the 90 DEG C of specifications and flame retardant rating VW-1 for meeting UL4703-2014 standard
Hydrocarbon layers；The setting of external insulation layer 14 can be improved the flame retardant property of alternating current-direct current Composite Double insulated photovoltaic line 10, alternating current-direct current Composite Double
Insulated photovoltaic line 10 can pass through testing vertical flammability as defined in UL 1581-2017 (1080).
Inner insulating layer 13 and external insulation layer 14 can be realized the function of compound inslation, with outside common insulating layer around jacket
The arrangement of layer is compared, and the arrangement of compound inslation is more safe and reliable, can be improved alternating current-direct current Composite Double insulated photovoltaic
Insulation performance, high temperature resistance, ultraviolet radiation preventing and the safe flame retardant property of line 10.
In the present embodiment, inner insulating layer 13 and external insulation layer 14 are processed by double-layer coextrusion technique；Relative to biography
The extrusion process of system under the premise of not occurring card mold phenomenon in ensuring production process, reduces mold using double-layer coextrusion technique
Inside dimension, adjustment increase pressure when insulating materials squeezes out, keep inner insulating layer 13 and external insulation layer 14 even closer to mould distance
Be coated on 11 surface of core so that co-extrusion during insulate section free from admixture, to control inner insulating layer 13 and external insulation layer
14 interface quality and accurate structure size, the proof voltage for further improving alternating current-direct current Composite Double insulated photovoltaic line 10 are special
Property.To guarantee the close, well-balanced of inner insulating layer 13 and external insulation layer 14, production mould need to be optimized.
Nylon layer 15 is sheathed on the outside of external insulation layer 14, and nylon layer 15 is set to alternating current-direct current Composite Double insulated photovoltaic line 10
Outermost layer, due to nylon material mechanical strength with higher and excellent wearability, cold resistance, surface hardness, bending strength,
Impact strength, chemical resistance, oil resistivity, while being convenient for cable installation in pipe, additionally it is possible to termite-proof rat-biting proof, the arrangement of nylon layer 15
It can be improved the protective performances such as abrasion resistance, rat-and-ant proof, the oil resistivity of alternating current-direct current Composite Double insulated photovoltaic line 10.
Nylon layer 15 with a thickness of 0.2-0.6mm, which is the nylon layer of alternating current-direct current compound inslation photovoltaic wire 10
15 rational design range.Test result shows to guarantee that alternating current-direct current is compound absolutely when the thickness of nylon layer 15 is more than 0.2mm
The outer protective and rat-and-ant proof function of edge photovoltaic wire 10；The thickness of nylon layer 15 is less than or equal to 0.6mm, can guarantee alternating current-direct current
The good flexibility and thermal diffusivity of compound inslation photovoltaic wire 10, and obtain the outer diameter of alternating current-direct current compound inslation photovoltaic wire 10
To control.
The present embodiment propose alternating current-direct current compound inslation photovoltaic wire 10 from inside to outside successively packet set core 11, wrapping layer 12,
The thickness of inner insulating layer 13, external insulation layer 14 and nylon layer 15, wrapping layer 12 is less than or equal to 0.14mm, the overlapping of wrapping layer 12
Overlap rate is 10-20%, the thickness 0.2-0.6mm of nylon layer 15.Compared with existing similar photovoltaic wire, the present embodiment is proposed
Alternating current-direct current compound inslation photovoltaic wire 10 inner insulating layer 13 and external insulation layer 14 use the production of double-layer coextrusion technique multiple to realize
Insulation is closed, alternating current-direct current compound inslation photovoltaic wire 10 has the excellent performances such as thin-walled, rat-and-ant proof, fire-retardant, can safely and reliably answer
For photovoltaic system, to improve the service life of entire photovoltaic system.
Second embodiment
Referring to figure 3., the present embodiment proposes another form of alternating current-direct current Composite Double insulated photovoltaic line 20, including certainly introversive
The core 21 set, wrapping layer 22, inner insulating layer 23, external insulation layer 24 and nylon layer 25 are successively wrapped outside.It is proposed with first embodiment
Alternating current-direct current Composite Double insulated photovoltaic line 10 compare, the present embodiment propose alternating current-direct current compound inslation photovoltaic wire 20 nylon layer 25
It is disposed with multiple raised 26, the multiple raised 25 length direction arrangements along the alternating current-direct current Composite Double insulated photovoltaic line 10 outside, and
Circumferential direction along the alternating current-direct current Composite Double insulated photovoltaic line 10 is uniformly distributed.
Multiple raised 26 can further increase the roughness of alternating current-direct current compound inslation photovoltaic wire 20, so that it is straight to improve friendship
It flows the anti-dragging performance of compound inslation photovoltaic wire 20 and shoulders wind performance.
In the present embodiment, multiple raised 26 be multiple wedge-shaped protrusions, along the alternating current-direct current Composite Double insulated photovoltaic line 10
Length direction arrangement, and be staggered along the circumferentially uniform of alternating current-direct current Composite Double insulated photovoltaic line 20 in nylon layer 25
Outer surface is evenly distributed, stress balance, can be improved the roughness for extending alternating current-direct current compound inslation photovoltaic wire 20 and uses the longevity
Life.In other optional ways of the present embodiment, multiple raised 26 may be other shapes and other arrangement forms.
The present embodiment proposes another form of alternating current-direct current Composite Double insulated photovoltaic line 20, and successively packet sets core from inside to outside
21, wrapping layer 22, inner insulating layer 23, external insulation layer 24 and nylon layer 25, nylon layer 25 are disposed with multiple raised 26, Neng Gouti outside
The roughness of high alternating current-direct current compound inslation photovoltaic wire 20, to improve the anti-dragging of alternating current-direct current compound inslation photovoltaic wire 20
Can, a kind of anti-skill for pulling performance is added on the basis of the alternating current-direct current Composite Double insulated photovoltaic line 10 proposed for first embodiment
Art scheme.3rd embodiment
Referring to figure 4., the present embodiment proposes another form of alternating current-direct current Composite Double insulated photovoltaic line 30, including certainly introversive
The core 31 set, wrapping layer 32, inner insulating layer 33, external insulation layer 34, waterproof layer 35 and nylon layer 36 are successively wrapped outside.It is real with first
The alternating current-direct current Composite Double insulated photovoltaic line 10 for applying example proposition is compared, the alternating current-direct current compound inslation photovoltaic wire 30 that the present embodiment proposes
Waterproof layer 35 is additionally arranged in the outer surface of external insulation layer 34.
In the present embodiment, waterproof layer 35 is frangible nonwoven layer, and waterproof layer 35 can be prevented in the cracking of nylon layer 36
In the case of, moisture penetrates into external insulation layer 35 and inner insulating layer 34, and then penetrates into core 11, causes safety accident.
Optionally, alternating current-direct current Composite Double insulated photovoltaic line 30 is equipped with tear rope 37, and tear rope 37 is set to outside waterproof layer 35, edge
The length direction of alternating current-direct current Composite Double insulated photovoltaic line 30 is arranged, convenient for along the length side of alternating current-direct current Composite Double insulated photovoltaic line 30
To tearing alternating current-direct current Composite Double insulated photovoltaic line 30.
The present embodiment proposes another form of alternating current-direct current Composite Double insulated photovoltaic line 30, and successively packet sets core from inside to outside
31, wrapping layer 32, inner insulating layer 33, external insulation layer 34, waterproof layer 35 and nylon layer 36 and along alternating current-direct current Composite Double insulated photovoltaic
The length direction of line 30 is set to the tear rope 37 outside waterproof layer 35, to improve the waterproof of alternating current-direct current compound inslation photovoltaic wire 30
Performance, for first embodiment propose alternating current-direct current Composite Double insulated photovoltaic line 10 on the basis of further increase the one of waterproof performance
Kind technical solution.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention can be tied mutually
It closes.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of alternating current-direct current Composite Double insulated photovoltaic line, applied to the direct current or alternating current circuit for being below or equal to 2000V,
Be characterized in that, the alternating current-direct current Composite Double insulated photovoltaic line from inside to outside successively include core, wrapping layer, inner insulating layer, it is outer absolutely
Edge layer and nylon layer, the thickness of the wrapping layer are less than or equal to 0.14mm, and the overlapping overlap rate of the wrapping layer is 10-
20%, the thickness 0.2-0.6mm of the nylon layer.
2. alternating current-direct current Composite Double insulated photovoltaic line according to claim 1, which is characterized in that the core be copper, aluminium or
Person's aluminium alloy conductive core.
3. alternating current-direct current Composite Double insulated photovoltaic line according to claim 1, which is characterized in that the core is multifilament
Twisted core.
4. alternating current-direct current Composite Double insulated photovoltaic line according to claim 1, which is characterized in that the wrapping layer is mica tape
Layer.
5. alternating current-direct current Composite Double insulated photovoltaic line according to claim 1, which is characterized in that the wrapping layer is ceramic
Fireproof composite layer.
6. alternating current-direct current Composite Double insulated photovoltaic line according to claim 1, which is characterized in that the inner insulating layer is fire-retardant
Irradiation crosslinked polyolefin insulating layer.
7. alternating current-direct current Composite Double insulated photovoltaic line according to claim 1, which is characterized in that the external insulation layer is fire-retardant
Irradiation crosslinked polyolefin insulating layer, flame retardant rating are UL standard VW-1 rank.
8. alternating current-direct current Composite Double insulated photovoltaic line according to claim 1, which is characterized in that the outer surface of the nylon layer
Equipped with multiple protrusions, the multiple protrusion is arranged along the length direction of the alternating current-direct current Composite Double insulated photovoltaic line, and along described
The circumferential direction of alternating current-direct current Composite Double insulated photovoltaic line is uniformly distributed.
9. alternating current-direct current Composite Double insulated photovoltaic line according to claim 1, which is characterized in that the alternating current-direct current Composite Double is exhausted
Edge photovoltaic wire includes set on the waterproof layer between the external insulation layer and the nylon layer.
10. alternating current-direct current Composite Double insulated photovoltaic line according to claim 9, which is characterized in that the alternating current-direct current Composite Double
Insulated photovoltaic line includes tear rope, and the tear rope is set to the outer surface of the waterproof layer and insulate along the alternating current-direct current Composite Double
The length direction of photovoltaic wire is arranged.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679116.2U CN208767050U (en) | 2018-10-16 | 2018-10-16 | Alternating current-direct current Composite Double insulated photovoltaic line |
| PCT/CN2018/116024 WO2020077720A1 (en) | 2018-10-16 | 2018-11-16 | Dual-insulated photovoltaic wire and photovoltaic system |
| ZA2019/01347A ZA201901347B (en) | 2018-10-16 | 2019-03-04 | Double insulated photovoltaic wire and photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679116.2U CN208767050U (en) | 2018-10-16 | 2018-10-16 | Alternating current-direct current Composite Double insulated photovoltaic line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208767050U true CN208767050U (en) | 2019-04-19 |
Family
ID=66137394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821679116.2U Active CN208767050U (en) | 2018-10-16 | 2018-10-16 | Alternating current-direct current Composite Double insulated photovoltaic line |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN208767050U (en) |
| WO (1) | WO2020077720A1 (en) |
| ZA (1) | ZA201901347B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203325553U (en) * | 2013-06-14 | 2013-12-04 | 河南华泰特种电缆有限公司 | Anti-flaming environment-friendly wire |
| JP2015046372A (en) * | 2013-07-30 | 2015-03-12 | 日立金属株式会社 | Shield-provided electrically insulated cable |
| CN204596460U (en) * | 2015-04-27 | 2015-08-26 | 云南云缆电缆(集团)有限公司 | Fire resistant electric wire |
| CN206893353U (en) * | 2017-07-19 | 2018-01-16 | 西隆电缆有限公司 | A kind of power cable |
| CN107301888A (en) * | 2017-08-15 | 2017-10-27 | 上海起帆电缆股份有限公司 | A kind of new superhigh temperature resistant flexible cable |
-
2018
- 2018-10-16 CN CN201821679116.2U patent/CN208767050U/en active Active
- 2018-11-16 WO PCT/CN2018/116024 patent/WO2020077720A1/en active Application Filing
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2019
- 2019-03-04 ZA ZA2019/01347A patent/ZA201901347B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201901347B (en) | 2021-05-26 |
| WO2020077720A1 (en) | 2020-04-23 |
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