CN206516380U - A kind of flat twin-core photovoltaic wire of ultralight soft type fire resistant aluminum alloy - Google Patents
A kind of flat twin-core photovoltaic wire of ultralight soft type fire resistant aluminum alloy Download PDFInfo
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- CN206516380U CN206516380U CN201621490319.8U CN201621490319U CN206516380U CN 206516380 U CN206516380 U CN 206516380U CN 201621490319 U CN201621490319 U CN 201621490319U CN 206516380 U CN206516380 U CN 206516380U
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Abstract
The utility model is related to a kind of flat twin-core photovoltaic wire of ultralight soft type fire resistant aluminum alloy, it is characterized in that, the twin-core photovoltaic wire is flat structure, includes the cored wire and the oversheath that is bundled together two cored wires of two parallel arrangeds, the outline of the oversheath is in 8-shaped.Compared with prior art, the utility model has efficiency of transmission height, low cost and other advantages.
Description
Technical field
The utility model is related to a kind of twin-core photovoltaic wire, flat more particularly, to a kind of ultralight soft type fire resistant aluminum alloy
Twin-core photovoltaic wire.
Background technology
Solar energy is following most cleaning, the safe and reliable energy, be it is inexhaustible, nexhaustible, pollution-free, cheap,
The energy that the mankind can freely utilize.Based on the road for walking sustainable development and Green Development, countries in the world are being greatly developed
Solar photovoltaic generation system.Photovoltaic cable concerns light as the significant components that electric energy is transmitted in photovoltaic generating system, its quality
The whole service life of photovoltaic generating system, should not be underestimated.What photovoltaic cable in the market was used is all copper conductor, and irradiation is handed over
Join polyolefin insulation and cross-linking radiation polyolefin jacket material, the double insulated cables of the single through electron accelerator x ray irradiation x.
There is following defect in existing photovoltaic cable：
1st, the cored wire high expensive that copper conductor is made, it accounts for cost a greater part of in photovoltaic connection component, and copper conductor
Weight is laid particular stress on, not flexible, and electric wire weight can be caused to lay particular stress on.
2nd, current photovoltaic cable is generally single double-layer insulating structure, and a photovoltaic wire can only connect a photovoltaic wiring
Box by means of the cable concentrator copper bar specially designed, it is necessary to be confluxed, and not only cost is high, and site operation difficulty is larger, effect
Rate is relatively low, and focal point is converted into useful electric flux can only achieve 10-19%.
3. existing most photovoltaic wire rod uses cross-linking radiation polyolefine material for sheath, due to the intrinsic characteristic of this material, its
Anti-flammability, high temperature resistant, oil resistance are poor.Secondly this material is not harder flexible, and the overall routing to photovoltaic system causes to be stranded
Disturb.
4. current photovoltaic wire is generally double-decker, for the photovoltaic cable of larger specification, it needs electron ray twice
Irradiation.The cost of cable is not only increased, and reduces its production yields.So being badly in need of a kind of lightweight, soft type, resistance to height
Temperature, the flat twin-core photovoltaic wire of ultralight soft type fire resistant aluminum alloy of the high electric energy of high life transmission.
Utility model content
The purpose of this utility model is exactly the defect in order to overcome above-mentioned prior art presence and provides a kind of ultralight softness
The flat twin-core photovoltaic wire of type fire resistant aluminum alloy, efficiency of transmission is high, cost is low.
The purpose of this utility model can be achieved through the following technical solutions：A kind of ultralight soft type fire resistant aluminum alloy
Flat twin-core photovoltaic wire, the twin-core photovoltaic wire is flat structure, including two parallel arrangeds cored wire and by two cores
The oversheath that line is bundled together, the cross section of the oversheath is in 8-shaped.
The physical dimension of the inner space of the oversheath and the cored wire matches.
The inner insulating layer and external insulation layer that the cored wire is coated on the outside of conductor by conductor and successively are constituted.
The conductor is aluminium conductor, and resistivity is 2.85 × 10-8Ωm。
Along the length direction of photovoltaic wire provided with the different mark line of twice on the oversheath, mark line described in twice is distinguished
Corresponded with the position of two cored wires.
The inner insulating layer is the inner insulating layer that cross-linking radiation polyolefin is made.
The external insulation layer is the external insulation layer that heat resistant poly vinyl chloride is made.
The oversheath is nylon outer sheath.
Compared with prior art, the utility model has advantages below：
(1) photovoltaic wire of the present utility model is flat twin-core structure, on the one hand, can connect two photovoltaic junction boxes simultaneously
Cell panel, increase absorbs the area of luminous energy, and the effective electric energy for being converted into focal point has obtained very big lifting, on the other hand, flat
The photovoltaic wire of flat structure is difficult to be wound in knotting, easily moved between parts and mainboard compared with traditional round wire, convenient
Install, the random line of swinging cross can be avoided the occurrence of, site operation is convenient, and installation effectiveness is high.
(2) it is easy to identify when being provided with the different mark line of twice, welding and installation along the length direction of photovoltaic wire on oversheath.
(3) resistivity is used for 2.85 × 10-8Ω m aluminium conductor, the density of aluminium is 2.8g/cm3, compared to conventional copper
Conductor, in the case where transmitting same current, the weight of aluminium conductor is only the half of copper conductor, greatly reduces the weight of photovoltaic wire
Amount, and saved cost.
(4) nylon outer sheath is extruded after external insulation layer, first, due to there is a nylon layer, external insulation thickness degree can be with
It is made thin, this reduces the external diameter of overall cable.Second, nylon material has higher temperature resistant grade energy, its is specified
Temperature can reach 200 DEG C, substantially increase the weatherability and heat-resisting quantity of cable, and this material also has excellent mechanicalness
Energy, anti-wear performance, oil resistance etc., third, nylon itself has lubricity, coefficient of friction is small so that the wire through pipe side of laying
Just, operating efficiency and safety in utilization are improved.
(5) interior insulation and external insulation double-decker are used, the electrical property that photovoltaic wire should have, heat endurance is not only ensure that
Can, and external insulation adds the anti-flammability of cable and the process for preventing secondary irradiation using the polyvinyl chloride of heat resistance, improves
Production efficiency and cost is saved.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
It is designated in figure：1st, oversheath, 2, conductor, 3, inner insulating layer, 4, external insulation layer.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but protection domain of the present utility model is not limited
In following embodiments.
As shown in figure 1, a kind of flat twin-core photovoltaic wire of ultralight soft type fire resistant aluminum alloy, the twin-core photovoltaic wire is flat
Structure, includes the cored wire and the oversheath 1 that is bundled together two cored wires of two parallel arrangeds, the cross section of oversheath 1
In 8-shaped, accordingly, the inner space of oversheath 1 and the physical dimension of cored wire match, and cored wire is by conductor 2 and wraps successively
The inner insulating layer 3 and external insulation layer 4 for overlaying on the outside of conductor 2 are constituted.It should be appreciated that as shown in figure 1,8-shaped oversheath
It is in 8-shaped that cross section, which is, with two spaces connected, and a cored wire, the structure chi in each space are respectively placed in each space
It is very little to be adapted to cored wire, it is discontiguous between two cored wires when two cored wires are placed in two spaces more specifically.
Photovoltaic wire of the present utility model is flat twin-core structure, on the one hand, can connect two photovoltaic junction box electricity simultaneously
Pond plate, increase absorbs the area of luminous energy, and the effective electric energy for being converted into focal point has obtained very big lifting, on the other hand, flat
The photovoltaic wire of structure is difficult to be wound in knotting, easily moved between parts and mainboard compared with traditional round wire, convenient peace
Dress, can avoid the occurrence of the random line of swinging cross, and site operation is convenient, and installation effectiveness is high.
In the embodiment of the application one, conductor 2 is aluminium conductor, and resistivity is 2.85 × 10-8Ω m, the density of aluminium is 2.8g/
cm3, compared to conventional copper conductor 2, in the case where transmitting same current, the weight of aluminium conductor is only the half of copper conductor 2,
The weight of photovoltaic wire is greatly reduced, and has saved cost.
In the embodiment of the application one, along the length direction of photovoltaic wire provided with the different mark line of twice, twice on oversheath 1
Mark line is corresponded with the position of two cored wires respectively, easy to identify when welding and installation.Two cored wires can also use different
The insulating barrier of color, typically conventional black and red two kinds of colors are distinguished, to be identified.
In the embodiment of the application one, inner insulating layer 3 is the inner insulating layer that cross-linking radiation polyolefin is made, using SEBS as base
Electron ray irradiation sensitizer is added in the thermoplastic elastic material of material, cable carries out electronbeam irradiation after extrusion,
Material is changed into thermosets from thermoplastic, material molecule is changed into space network from three-dimensional-structure, heat resistance and
Stability is significantly increased, so as to meet requirement of the photovoltaic cable for against weather and heat-resistant stable.
In the embodiment of the application one, external insulation layer 4 is the external insulation layer that heat resistant poly vinyl chloride is made, using heat resistant poly
Vinyl chloride, because this material contains halogen, its anti-flammability is significantly larger than the polyolefine material that market is used.And this material is not required to
Its heat resistance is irradiated, anti-flammability is just very high, not only avoids the process that such a cable is irradiated twice, reduces cable
Cost.Double wired conductor be it also avoid due to the particularity of its structure so that this cable irradiates uneven situation and occurred.
In the embodiment of the application one, oversheath 1 is nylon outer sheath, first, due to having nylon layer, external insulation thickness degree
It can be made thin, this reduces the external diameter of overall cable.Second, nylon material has higher temperature resistant grade energy, its
Rated temperature can reach 200 DEG C, that is, be resistant to 200 DEG C of high temperature, substantially increase the weatherability and heat-resisting quantity of cable, and
And this material also has excellent mechanical performance, anti-wear performance, oil resistance etc., third, nylon itself has lubricity, friction
Coefficient is small so that wire through pipe is laid conveniently, improves operating efficiency and safety in utilization.
Although the utility model is illustrated to above example, but it is to be understood that this is not meant to that this practicality is new
Type will be limited to above example.On the contrary, the utility model will include may be embodied in being defined by the appended claims
Spirit and scope of the present utility model in all replacements, change and equivalent.
Claims (8)
1. a kind of flat twin-core photovoltaic wire of ultralight soft type fire resistant aluminum alloy, it is characterised in that the twin-core photovoltaic wire is flat
Structure, includes the cored wire and the oversheath that is bundled together two cored wires of two parallel arrangeds, the oversheath
Cross section is in 8-shaped.
2. a kind of ultralight flat twin-core photovoltaic wire of soft type fire resistant aluminum alloy as claimed in claim 1, it is characterised in that institute
The physical dimension for stating the inner space and the cored wire of oversheath matches.
3. a kind of ultralight flat twin-core photovoltaic wire of soft type fire resistant aluminum alloy as claimed in claim 1, it is characterised in that institute
Inner insulating layer and external insulation layer that cored wire is coated on by conductor and successively on the outside of conductor is stated to constitute.
4. a kind of ultralight flat twin-core photovoltaic wire of soft type fire resistant aluminum alloy as claimed in claim 3, it is characterised in that institute
Conductor is stated for aluminium conductor, resistivity is 2.85 × 10-8Ωm。
5. a kind of ultralight flat twin-core photovoltaic wire of soft type fire resistant aluminum alloy as claimed in claim 1, it is characterised in that institute
State on oversheath along the length direction of photovoltaic wire provided with the different mark line of twice, mark line described in twice respectively with described in two
The position of cored wire is corresponded.
6. a kind of ultralight flat twin-core photovoltaic wire of soft type fire resistant aluminum alloy as claimed in claim 3, it is characterised in that institute
It is the inner insulating layer that cross-linking radiation polyolefin is made to state inner insulating layer.
7. a kind of ultralight flat twin-core photovoltaic wire of soft type fire resistant aluminum alloy as claimed in claim 3, it is characterised in that institute
It is the external insulation layer that heat resistant poly vinyl chloride is made to state external insulation layer.
8. a kind of ultralight flat twin-core photovoltaic wire of soft type fire resistant aluminum alloy as claimed in claim 1, it is characterised in that institute
Oversheath is stated for nylon outer sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490319.8U CN206516380U (en) | 2016-12-30 | 2016-12-30 | A kind of flat twin-core photovoltaic wire of ultralight soft type fire resistant aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490319.8U CN206516380U (en) | 2016-12-30 | 2016-12-30 | A kind of flat twin-core photovoltaic wire of ultralight soft type fire resistant aluminum alloy |
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| Publication Number | Publication Date |
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| CN206516380U true CN206516380U (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621490319.8U Active CN206516380U (en) | 2016-12-30 | 2016-12-30 | A kind of flat twin-core photovoltaic wire of ultralight soft type fire resistant aluminum alloy |
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| CN (1) | CN206516380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755147A (en) * | 2019-03-29 | 2020-10-09 | 东京特殊电线株式会社 | Lead wire for narrow space insertion |
-
2016
- 2016-12-30 CN CN201621490319.8U patent/CN206516380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755147A (en) * | 2019-03-29 | 2020-10-09 | 东京特殊电线株式会社 | Lead wire for narrow space insertion |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Flat pair of core photovoltaic line of high temperature resistant aluminum alloy of ultralight flexible type Effective date of registration: 20190826 Granted publication date: 20170922 Pledgee: Agricultural Bank of China Limited by Share Ltd Pinghu branch Pledgor: Zhejiang Cardiff Cable Co. Ltd. Registration number: Y2019330000033 |