CN104868005A - Photovoltaic welding strip - Google Patents
Photovoltaic welding strip Download PDFInfo
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- CN104868005A CN104868005A CN201510230332.3A CN201510230332A CN104868005A CN 104868005 A CN104868005 A CN 104868005A CN 201510230332 A CN201510230332 A CN 201510230332A CN 104868005 A CN104868005 A CN 104868005A
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- China
- Prior art keywords
- photovoltaic welding
- base band
- welding
- welding belt
- reflector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a photovoltaic welding strip. The photovoltaic welding strip comprises an elongated base strip; a heat-conduction layer is arranged on the base strip; a first reflective layer is arranged on the heat-conduction layer; a plurality of curved groove bands are distributed on the first reflective layer; each groove band comprises a plurality of first semicircular grooves of which the openings face one side the base strip and a plurality of second semicircular grooves of which the openings face the other side of the base strip, wherein each first semicircular groove and each second semicircular groove are arranged alternately and are connected with each other end to end so as to form a wavy structure; and the base strip is a copper-aluminum alloy base strip. Through adopting the above structure, the high illumination utilization rate of the photovoltaic welding strip can be realized, and welding efficiency and welding yield can be improved.
Description
Technical field
The present invention relates to a kind of photovoltaic welding belt.
Background technology
At present, along with the minimizing of non-renewable resources and day by day highlighting of environmental problem in the world, clean energy resource and regenerative resource are developed in a large number, and the utilization of solar energy is exactly one of them.Solar use cell panel generates electricity, welding is the important raw and processed materials in the welding photovoltaic component processes such as solar panel, the quality of welding quality will directly have influence on the collection efficiency of photovoltaic module electric current, very large to the power influences of photovoltaic module, also just occur from welding while there is solar power generation thereupon;
Traditional welding surface is generally all plane, and such surface is arranged so that the light be radiated on welding can go back by vertical reflection, and after-sun is not on cell panel, and this part energy is not just utilized effectively, thus causes the wasting of resources; Welding current is in addition all athermanous, how the heat derivation on cell piece had important function, and how simultaneously maximum using light source, reduction transfer process power consumption, minimizing cell piece surface shading light part improve generating conversion efficiency, will be the keys that later stage solar power generation develops.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, a kind of maximized photovoltaic welding belt utilizing light source, improve illumination utilization rate, improve welding quality is provided.
For achieving the above object, concrete scheme of the present invention is as follows: photovoltaic welding belt, includes the base band of strip, and described base band is provided with one deck heat-conducting layer, and described heat-conducting layer is provided with the first reflector; On described first reflector, arrangement is provided with many curved groove bands; Described each groove bands includes multiple opening to the first half slot of base band side and multiple opening to the second half slot of base band opposite side, and described each first half slot and each second half slot interval are arranged and end to end, are formed wavy; Described base band is albronze base band.
Preferably, the degree of depth of described groove bands is 10 μm-15 μm.
Preferably, the thickness of described heat-conducting layer is 5 μm-7 μm.
Preferably, the width of described groove bands is 5 μm-10 μm.
Preferably, the side of described base band be provided with coating.
Preferably, the thickness of described coating is 10 μm ~ 25 μm.
Preferably, described coating is the coating of fusing point lower than the metal or alloy material of 232 DEG C.
Preferably, the thickness in described first reflector is 15 μm ~ 35 μm.
Preferably, described first reflector be under light-wave irradiation in 300nm ~ 1200nm wave-length coverage reflectivity be more than 65%, alloy first reflector of fusing point more than 232 DEG C.
Preferably, described first reflector is also provided with one deck nano-scale heat-conducting layer, described nano-scale heat-conducting layer is provided with the second reflector triangular in shape.
Preferably, the sidewall of described groove bands and bottom surface are provided with multiple project grain for increasing scattering.
Preferably, the bottom surface of described base band is provided with multiple antiskid groove.
Preferably, described whole welding surface is provided with layer protecting film.
Beneficial effect of the present invention is: photovoltaic welding belt, includes the base band of strip, and described base band is provided with one deck heat-conducting layer, and described heat-conducting layer is provided with the first reflector; On described first reflector, arrangement is provided with many curved groove bands; Described each groove bands includes multiple opening to the first half slot of base band side and multiple opening to the second half slot of base band opposite side, and described each first half slot and each second half slot interval are arranged and end to end, are formed wavy; Described base band is albronze base band; By the setting of said structure, realize the high illumination utilance of photovoltaic welding belt, improve welding efficiency and solder yield.
Accompanying drawing explanation
Fig. 1 is vertical view of the present invention;
Fig. 2 is sectional view schematic diagram of the present invention;
Fig. 3 is sectional view schematic diagram of the present invention;
Fig. 4 is sectional view schematic diagram of the present invention;
Description of reference numerals in Fig. 1 to Fig. 4:
1-base band; 11-antiskid groove; 2-heat-conducting layer; 3-first reflector; 31-groove bands; 32-project grain; 4-nano-scale heat-conducting layer; 5-second reflector; 51-pit; 6-diaphragm.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
As shown in Figures 1 to 4, a kind of photovoltaic welding belt described in the present embodiment, includes the base band 1 of strip, and described base band 1 is provided with one deck heat-conducting layer 2, and described heat-conducting layer 2 is provided with the first reflector 3; On described first reflector 3, arrangement is provided with many curved groove bands 31; Described each groove bands 31 includes multiple opening to the first half slot of base band 1 side and multiple opening to the second half slot of base band 1 opposite side, and described each first half slot and each second half slot interval are arranged and end to end, are formed wavy; Described base band 1 is albronze base band 1; Described copper al proportion is 1:3; Concrete copper 1 part, 3 parts, aluminium; Wherein the first half slot is identical with the diameter of the second half slot, is 3mm-8mm; The curved groove band 31 of shape like this can accept different directions light source, and it has and welds performance preferably in the middle of experimental result; .
Embodiment 1.
The diameter of the first half slot and the second half slot is chosen for 3mm, and selects the 156*156 polysilicon chip of 30-70 to weld the wattage output of rear measurement solar panel, and specific experiment data are as follows:
Wherein, common v-shape slot welding band is the welding that surface is provided with V-shaped groove.Can be found out by above-mentioned experiment, when the diameter of the first half slot and the second half slot is chosen for 3mm, all have outstanding performance in the wattage output test experiments of the welding of curved groove welding and this programme solar panel after welding, especially relatively there is common welding all to have the power reforming of more than 27%, also have the flash-up of 9% relative to V-shaped groove welding.
Embodiment 2.
The diameter of the first half slot and the second half slot is chosen for 8mm, and selects the 156*156 polysilicon chip of 30-70 to weld the wattage output of rear measurement solar panel, and specific experiment data are as follows:
Wherein, common v-shape slot welding band is the welding that surface is provided with V-shaped groove.Can be found out by above-mentioned experiment, when the diameter of the first half slot and the second half slot is chosen for 8mm, all have outstanding performance in the wattage output test experiments of the welding of curved groove welding and this programme solar panel after welding, especially relatively there is common welding all to have the power reforming of more than 20%, also have the flash-up of 7% relative to V-shaped groove welding.
Embodiment 3.
The diameter of the first half slot and the second half slot is chosen for 5mm, and selects the 156*156 polysilicon chip of 30-70 to weld the wattage output of rear measurement solar panel, and specific experiment data are as follows:
Wherein, common v-shape slot welding band is the welding that surface is provided with V-shaped groove.Can be found out by above-mentioned experiment, when the diameter of the first half slot and the second half slot is chosen for 8mm, all have outstanding performance in the wattage output test experiments of the welding of curved groove welding and this programme solar panel after welding, especially relatively there is common welding all to have the power reforming of more than 20%, also have the flash-up of 7% relative to V-shaped groove welding.
A kind of photovoltaic welding belt described in above-described embodiment, the degree of depth of described groove bands 31 is 10 μm-15 μm.A kind of photovoltaic welding belt described in above-described embodiment, the thickness of described heat-conducting layer 2 is 5 μm-7 μm.A kind of photovoltaic welding belt described in above-described embodiment, the width of described groove bands 31 is 5 μm-10 μm.A kind of photovoltaic welding belt described in above-described embodiment, the side of described base band 1 be provided with coating.A kind of photovoltaic welding belt described in above-described embodiment, the thickness of described coating is 10 μm ~ 25 μm.A kind of photovoltaic welding belt described in above-described embodiment, described coating is the coating of fusing point lower than the metal or alloy material of 232 DEG C.A kind of photovoltaic welding belt described in above-described embodiment, the thickness in described first reflector 3 is 15 μm ~ 35 μm.A kind of photovoltaic welding belt described in above-described embodiment, described first reflector 3 be under the light-wave irradiation in 300nm ~ 1200nm wave-length coverage reflectivity be more than 65%, alloy first reflector 3 of fusing point more than 232 DEG C.Above-mentioned content and size, through overtesting, the size chosen for most preferred embodiment and content.
A kind of photovoltaic welding belt described in above-described embodiment, described first reflector 3 is also provided with one deck nano-scale heat-conducting layer 4, described nano-scale heat-conducting layer 4 is provided with the second reflector 5 triangular in shape.Described second reflector 5 is provided with multiple pit 51.Described pit 51 can make light when being irradiated to the groove surfaces on welding, scattering can be there is, be irradiated to after the reflection of solar energy glass plate on solar panel, light is farthest utilized, thus significantly improve the generating efficiency of solar panel, the structure of scattering photovoltaic welding belt of the present invention is simple, is easy to promote.
A kind of photovoltaic welding belt described in above-described embodiment, the sidewall of described groove bands 31 and bottom surface are provided with multiple project grain 32 for increasing scattering.Making light when being irradiated to the groove surfaces on welding, scattering can occur, be irradiated on solar panel after the reflection of solar energy glass plate, light is farthest utilized, thus significantly improve solar panel.
Generating efficiency, the structure of scattering photovoltaic welding belt of the present invention is simple, is easy to promote.
A kind of photovoltaic welding belt described in above-described embodiment, the bottom surface of described base band 1 is provided with multiple antiskid groove 11.Antiskid groove 11 effectively can increase frictional force, effectively reduces the welding mistake misplacing and cause.
A kind of photovoltaic welding belt described in above-described embodiment, described whole welding surface is provided with layer protecting film 6.During use, directly tear and can use, convenient and swift, and can available protecting welding.
A kind of photovoltaic welding belt described in above-described embodiment, includes the base band 1 of strip, and described base band 1 is provided with one deck heat-conducting layer 2, and described heat-conducting layer 2 is provided with the first reflector 3; On described first reflector 3, arrangement is provided with many curved groove bands 31; Described each groove bands 31 includes multiple opening to the first half slot of base band 1 side and multiple opening to the second half slot of base band 1 opposite side, and described each first half slot and each second half slot interval are arranged and end to end, are formed wavy; Described base band 1 is albronze base band 1; By the setting of said structure, realize the high illumination utilance of photovoltaic welding belt, improve welding efficiency and solder yield.
The above is only a preferred embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in the protection range of patent application of the present invention.
Claims (9)
1. a photovoltaic welding belt, is characterized in that: the base band (1) including strip, and described base band (1) is provided with one deck heat-conducting layer (2), and described heat-conducting layer (2) is provided with the first reflector (3); The upper arrangement of described first reflector (3) is provided with many curved groove bands (31); Described each groove bands (31) includes multiple opening to the first half slot of base band (1) side and multiple opening to the second half slot of base band (1) opposite side, described each first half slot and each second half slot interval arrange and end to end, formed wavy; Described base band (1) is albronze base band (1).
2. a kind of photovoltaic welding belt according to claim 1, is characterized in that: the degree of depth of described groove bands (31) is 10 μm-15 μm.
3. a kind of photovoltaic welding belt according to claim 1, is characterized in that: the thickness of described heat-conducting layer (2) is 5 μm-7 μm.
4. a kind of photovoltaic welding belt according to claim 1, is characterized in that: the width of described groove bands (31) is 5 μm-10 μm.
5. a kind of photovoltaic welding belt according to claim 1, is characterized in that: the side of described base band (1) is provided with coating.
6. a kind of photovoltaic welding belt according to claim 5, is characterized in that: the thickness of described coating is 10 μm ~ 25 μm.
7. a kind of photovoltaic welding belt according to claim 5, is characterized in that: described coating is the coating of fusing point lower than the metal or alloy material of 232 DEG C.
8. a kind of photovoltaic welding belt according to claim 1, is characterized in that: the thickness of described first reflector (3) is 15 μm ~ 35 μm.
9. a kind of photovoltaic welding belt according to claim 1, is characterized in that: described first reflector (3) be under the light-wave irradiation in 300nm ~ 1200nm wave-length coverage reflectivity be more than 65%, alloy first reflector (3) of fusing point more than 232 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230332.3A CN104868005A (en) | 2015-05-08 | 2015-05-08 | Photovoltaic welding strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230332.3A CN104868005A (en) | 2015-05-08 | 2015-05-08 | Photovoltaic welding strip |
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| CN104868005A true CN104868005A (en) | 2015-08-26 |
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| CN201510230332.3A Pending CN104868005A (en) | 2015-05-08 | 2015-05-08 | Photovoltaic welding strip |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100108123A1 (en) * | 2007-01-31 | 2010-05-06 | Renewable Energy Corporation Asa | Interconnecting reflector ribbon for solar cell modules |
| CN102569470A (en) * | 2012-02-28 | 2012-07-11 | 常州天合光能有限公司 | Solder strip of solar module |
| CN202443990U (en) * | 2012-02-08 | 2012-09-19 | 安徽圣科新能源科技有限公司 | Solar cell interconnecting belt |
| CN103681926A (en) * | 2013-12-26 | 2014-03-26 | 无锡市斯威克科技有限公司 | Direct irradiating type reflective welding strip |
| CN103943708A (en) * | 2014-04-24 | 2014-07-23 | 英利能源（中国）有限公司 | Light reflecting film and photovoltaic module |
| CN203895471U (en) * | 2014-05-08 | 2014-10-22 | 保利协鑫（苏州）新能源运营管理有限公司 | Solder strip of solar energy cell sheet |
| CN203983298U (en) * | 2014-07-03 | 2014-12-03 | 西安泰力松电子新材料有限公司 | A kind of scattering photovoltaic welding belt |
| CN204558494U (en) * | 2015-05-08 | 2015-08-12 | 深圳市华光达科技有限公司 | Photovoltaic welding belt |
-
2015
- 2015-05-08 CN CN201510230332.3A patent/CN104868005A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100108123A1 (en) * | 2007-01-31 | 2010-05-06 | Renewable Energy Corporation Asa | Interconnecting reflector ribbon for solar cell modules |
| CN202443990U (en) * | 2012-02-08 | 2012-09-19 | 安徽圣科新能源科技有限公司 | Solar cell interconnecting belt |
| CN102569470A (en) * | 2012-02-28 | 2012-07-11 | 常州天合光能有限公司 | Solder strip of solar module |
| CN103681926A (en) * | 2013-12-26 | 2014-03-26 | 无锡市斯威克科技有限公司 | Direct irradiating type reflective welding strip |
| CN103943708A (en) * | 2014-04-24 | 2014-07-23 | 英利能源（中国）有限公司 | Light reflecting film and photovoltaic module |
| CN203895471U (en) * | 2014-05-08 | 2014-10-22 | 保利协鑫（苏州）新能源运营管理有限公司 | Solder strip of solar energy cell sheet |
| CN203983298U (en) * | 2014-07-03 | 2014-12-03 | 西安泰力松电子新材料有限公司 | A kind of scattering photovoltaic welding belt |
| CN204558494U (en) * | 2015-05-08 | 2015-08-12 | 深圳市华光达科技有限公司 | Photovoltaic welding belt |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
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Application publication date: 20150826 |