CN207993560U - A kind of cracking resistance photovoltaic generation private cable - Google Patents
A kind of cracking resistance photovoltaic generation private cable Download PDFInfo
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- CN207993560U CN207993560U CN201721591004.7U CN201721591004U CN207993560U CN 207993560 U CN207993560 U CN 207993560U CN 201721591004 U CN201721591004 U CN 201721591004U CN 207993560 U CN207993560 U CN 207993560U
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- cracking resistance
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- photovoltaic generation
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Abstract
A kind of cracking resistance photovoltaic generation private cable described in the utility model, including super soft copper conductor, the outer surface of the super soft copper conductor is wound with ultra-thin glass resistant fiber cleaving layer and extrudes the environmental-friendly halogen-free low-smoke irradiation crosslinked polyolefin insulating layer composition cable core with ventilation slot again, it is wound with ultra-thin glass resistant fiber cleaving layer again outside cable core, the environmental-friendly halogen-free low-smoke cross-linking radiation polyolefin jacket with ventilation slot is extruded in cable outermost layer.The cable of the utility model is by being arranged cracking resistance layer between conductor and insulation, insulation and sheath；Ventilation slot is opened up in insulating layer and restrictive coating simultaneously, to reach cable anti-cracking performance.
Description
Technical field
The utility model is related to power cable field, specifically a kind of cracking resistance photovoltaic generation private cable.
Background technology
Photovoltaic generating system early investment is big, and the cost recovery time is long, and generally requiring 20 years or so can just recoup capital outlay；Institute
With photovoltaic generating system projected life at 30 years or more；Photovoltaic cable outdoors is installed after using 5 years in system, one
Determine degree upper jacket and will produce cracking, the insulation position of cable can be caused to have steam infiltration, forms security risk, greatly reduce light
The reliability and service life that luff cable uses even cause short circuit, initiation accident when serious.
Utility model content
The technical issues of the utility model cable solves is to provide a kind of cracking resistance photovoltaic generation private cable.
A kind of cracking resistance photovoltaic generation private cable described in the utility model, including super soft copper conductor, the super soft copper
The outer surface of conductor is wound with the ultra-thin inorganic cracking resistance layer of Nano type and extrudes the environmental-friendly halogen-free low-smoke irradiation friendship with ventilation slot again
Join polyolefin insulation layer and constitute cable core, be wound with the ultra-thin inorganic cracking resistance layer of Nano type again outside cable core, is squeezed in cable outermost layer
Band has the environmental-friendly halogen-free low-smoke cross-linking radiation polyolefin jacket of ventilation slot.
It is further improved, the super soft copper conductor is at cross section by 325 bundle strands of tinned copper wire of a diameter of 0.120mm
4mm2Super soft conductor, twisting pitch 40mm.
It is further improved, the ultra-thin inorganic cracking resistance layer of the Nano type is 10*20*0.05mm（Long * wide * are thick）Nanometer
The ultra-thin inorganic band of type.
It is further improved, the thickness of the ultra-thin inorganic cracking resistance layer of Nano type is 0.05mm-0.10mm.
It is further improved, the thickness of the environmental-friendly halogen-free low-smoke irradiation crosslinked polyolefin insulating layer is 0.8mm.
It is further improved, the thickness of the environmental-friendly halogen-free low-smoke cross-linking radiation polyolefin jacket is 0.8mm.
The beneficial effects of the utility model：
The utility model adds the ultra-thin inorganic Anti-crack layer of Nano type between conductor and insulation, between insulation and sheath,
Make relatively independent between the conductor of cable and insulation and sheath, the reduction shadow mutual when expanding with heat and contract with cold by temperature change
It rings, cable anti-cracking performance is made to greatly promote；It symmetrically is equipped with 8 ventilation slots respectively in sheath and insulation simultaneously, makes
Cable surface and the sufficient heat exchange of progress inside cable so that cable appearance greatly reduces the temperature difference with internal, as far as possible
Make the realization of cable inside and outside synchronize to expand with heat and contract with cold, to make the splitting resistance of cable be increased dramatically.It is above-mentioned existing to overcome
There is the deficiency of cable, realizes the utility model aim.Specifically, the cable of the utility model by conductor with insulation, insulation with
Cracking resistance layer is set between sheath；Ventilation slot is opened up in insulating layer and restrictive coating simultaneously, to reach cable anti-cracking performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figure 1, the utility model provides a kind of cracking resistance photovoltaic generation private cable, concrete structure includes super soft copper
Conductor 1, the outer surface of the super soft copper conductor are wound with the ultra-thin inorganic cracking resistance layer of Nano type 2 and extrude the ring with ventilation slot 4 again
Guarantor's type low smoke and zero halogen irradiation crosslinked polyolefin insulating layer 3 constitutes cable core, is wound with that Nano type is ultra-thin inorganic anti-to be opened again outside cable core
Parting 2 extrudes the environmental-friendly halogen-free low-smoke cross-linking radiation polyolefin jacket 5 with ventilation slot 4 in cable outermost layer.
The realization of the utility model is mainly around with the ultra-thin inorganic cracking resistance layer of one layer of Nano type by copper conductor, with
One layer of environmental-friendly halogen-free low-smoke cross-linking radiation insulation with ventilation slot, insulated core and sheath are extruded outside the copper conductor of cracking resistance layer
Between have a ultra-thin inorganic cracking resistance layer of one layer of Nano type, environmental-friendly halogen-free low-smoke cross-linking radiation sheath carries ventilation slot, conductor with
Add the ultra-thin inorganic Anti-crack layer of Nano type between insulation, between insulation and sheath, make the conductor of cable and insulation and sheath it
Between it is relatively independent, reduce reciprocal influence by temperature change and when expanding with heat and contract with cold, cable anti-cracking performance made to greatly promote；
Distinguish in sheath and insulation simultaneously and symmetrically be equipped with 8 ventilation slots, cable surface is made to be carried out adequately with inside cable
Heat exchange so that cable appearance greatly reduces the temperature difference with internal, as far as possible synchronizes the realization of cable inside and outside and expands with heat and contract with cold,
To make the splitting resistance of cable be increased dramatically.To overcome the shortcomings of above-mentioned existing cable, the utility model mesh is realized
's.Specifically, the cable of the utility model between conductor and insulation, insulation and sheath it is characterized in that by being arranged cracking resistance
Layer；Ventilation slot is opened up in insulating layer and restrictive coating simultaneously, to reach cable anti-cracking performance.
Embodiment 1
It is manufactured experimently according to the technical program, first with 500 type strand winders, the tinned copper wire of a diameter of 0.120mm of bundle strand
325, bundle strand is 4mm at specification2Super soft conductor（Twisting pitch is 40mm）；Wrapped one layer of 10*20* outside this conductor
0.05mm（Long * wide * are thick）The ultra-thin inorganic band of Nano type；One layer is extruded using J-65 types extruding machine using particular manufacturing craft to carry
The thickness of 0.3*0.6mm ventilation slots is the low smoke and zero halogen irradiation crosslinked polyolefin insulating of 0.8mm, later herein wrapped one outside insulation
The layer ultra-thin inorganic band of 10*20*0.05mm Nano types, last outer layer extrude one layer of thickness with 0.3*0.6mm ventilation slots and are
The low smoke and zero halogen cross-linking radiation polyolefin jacket of 0.8mm；Using cross-linking radiation.This cable significant increase photovoltaic cable it is anti-
Cracking performance greatly extends the service life of photovoltaic cable.
The cable is by actually detected：Cable meets German TUV standards being required to photovoltaic cable, and in simulation 30
In annual aging experiment, do not occur apparent cracking phenomena.
There are many utility model concrete application approach, and the above is only the preferred embodiment of the utility model, should
It points out, for those skilled in the art, without departing from the principle of this utility model, can also make
Go out several improvement, these improvement also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of cracking resistance photovoltaic generation private cable, it is characterised in that：Including super soft copper conductor, outside the super soft copper conductor
Surface is wound with the ultra-thin inorganic cracking resistance layer of Nano type and extrudes the environmental-friendly halogen-free low-smoke cross-linking radiation polyolefin with ventilation slot again
Insulating layer constitutes cable core, is wound with the ultra-thin inorganic cracking resistance layer of Nano type again outside cable core, is extruded with logical in cable outermost layer
The environmental-friendly halogen-free low-smoke cross-linking radiation polyolefin jacket of wind groove.
2. cracking resistance photovoltaic generation private cable according to claim 1, it is characterised in that：The super soft copper conductor is by straight
325 bundle strands of the tinned copper wire that diameter is 0.120mm are 4mm at cross section2Super soft conductor, twisting pitch 40mm.
3. cracking resistance photovoltaic generation private cable according to claim 1, it is characterised in that：The ultra-thin nothing of the Nano type
Machine cracking resistance layer is the ultra-thin inorganic band of Nano type of 10*20*0.05mm.
4. cracking resistance photovoltaic generation private cable according to claim 3, it is characterised in that：The Nano type is ultra-thin inorganic
The thickness of cracking resistance layer is 0.05mm-0.10mm.
5. cracking resistance photovoltaic generation private cable according to claim 1, it is characterised in that：The length of the ventilation slot
0.6mm, wide 0.3mm.
6. cracking resistance photovoltaic generation private cable according to claim 1, it is characterised in that：The low cigarette of the environment-friendly type without
The thickness of halogen irradiation crosslinked polyolefin insulating layer is 0.8mm.
7. cracking resistance photovoltaic generation private cable according to claim 1, it is characterised in that：The low cigarette of the environment-friendly type without
The thickness of halogen cross-linking radiation polyolefin jacket is 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591004.7U CN207993560U (en) | 2017-11-24 | 2017-11-24 | A kind of cracking resistance photovoltaic generation private cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591004.7U CN207993560U (en) | 2017-11-24 | 2017-11-24 | A kind of cracking resistance photovoltaic generation private cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207993560U true CN207993560U (en) | 2018-10-19 |
Family
ID=63804771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721591004.7U Active CN207993560U (en) | 2017-11-24 | 2017-11-24 | A kind of cracking resistance photovoltaic generation private cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207993560U (en) |
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2017
- 2017-11-24 CN CN201721591004.7U patent/CN207993560U/en active Active
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