CN104900740A - Photovoltaic backplane, manufacture method thereof and photovoltaic module - Google Patents
Photovoltaic backplane, manufacture method thereof and photovoltaic module Download PDFInfo
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- CN104900740A CN104900740A CN201510236107.0A CN201510236107A CN104900740A CN 104900740 A CN104900740 A CN 104900740A CN 201510236107 A CN201510236107 A CN 201510236107A CN 104900740 A CN104900740 A CN 104900740A
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- photovoltaic
- glue
- line
- backplane
- photovoltaic module
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The embodiment of the present invention discloses a photovoltaic backplane, a manufacture method thereof and a photovoltaic module which comprises the photovoltaic backplane. The photovoltaic backplane is at the back side of the photovoltaic module which comprises the photovoltaic backplane and is used for supporting and protecting the solar cells in the photovoltaic module. The photovoltaic backplane comprises a backplane and a first adhesive layer at the back of the backplane. The backplane and the first adhesive layer are an integrated structure, and the first adhesive layer has thermoplasticity and viscosity. Thus, the photovoltaic backplane provided by the embodiment of the present invention is the integrated structure which can be directly produced and made in the same workshop in the same manufacturer, the problem of the introduction of an external foreign matter in the backplane and EVA adhesive layer laying process in the prior art is avoided, the problem of an unqualified photovoltaic module caused by the introduction of the external foreign matter between the backplane and the EVA adhesive layer is solved, and the qualified rate of the photovoltaic module which comprises the photovoltaic backplane is raised.
Description
Technical field
The present invention relates to field of photovoltaic technology, particularly relate to a kind of photovoltaic back and preparation method thereof, photovoltaic module.
Background technology
Photovoltaic module formation conventional is in the market: glass substrate, EVA, cell piece, EVA and backboard five-layer structure, these five layers are normally undertaken stacked by laying operation by its manufacture craft in process of production, then carry out laminating technology, glass substrate, EVA, cell piece, EVA and backboard five-layer structure are fixed together.Wherein, laying operation is make a procedure of photovoltaic module, and for what welded, the solar battery sheet of bunchiness assists EVA, toughened glass, backboard etc. stacked in sequence with shape.But, due to lay in process can lay two-layer between introduce foreign, thus cause the qualification rate of photovoltaic module in prior art lower.
Summary of the invention
For solving the problems of the technologies described above, embodiments provide a kind of photovoltaic back and preparation method thereof, and comprise the photovoltaic module of this photovoltaic back, to improve the qualification rate of described photovoltaic module.
For solving the problem, embodiments provide following technical scheme:
A kind of photovoltaic back; described photovoltaic back is positioned at the back side of the photovoltaic module comprising this photovoltaic back; for playing support and protective effect to the solar battery sheet in described photovoltaic module; this photovoltaic back comprises: backboard and be positioned at the first glue-line of described back plate surface; wherein; described backboard and described first glue-line are structure as a whole, and described first glue-line has thermoplasticity and toughness.
Preferably, described first glue-line is EVA glue-line.
Preferably, described backboard comprises: polyester film and be positioned at the composite membrane of described polyester film both side surface.
Preferably, described composite membrane is fluorine film or EVA film.
A kind of photovoltaic module, comprises the photovoltaic back described in above-mentioned any one.
Preferably, also comprise: the glass substrate be oppositely arranged with described photovoltaic back; Be positioned at second glue-line of described glass substrate towards described photovoltaic back side; Solar battery sheet between described second glue-line and described first glue-line.
A manufacture method for photovoltaic back, be applied to the photovoltaic back described in above-mentioned any one, the method comprises:
Make backboard;
The glue-line of one deck melting is formed in described back plate surface;
The glue-line of described melting is suppressed and cooled, forms the first glue-line.
Compared with prior art, technique scheme has the following advantages:
The technical scheme that the embodiment of the present invention provides, comprising: backboard and be positioned at the first glue-line of described back plate surface, and wherein, described backboard and described first glue-line are structure as a whole.As can be seen here, the photovoltaic back that the embodiment of the present invention provides is structure as a whole, namely directly manufactured in same workshop by same producer, thus avoid the problem introducing foreign in prior art dorsulum and EVA glue-line laid processes, solve owing to introducing foreign matter between described backboard and EVA glue-line and cause the underproof problem of photovoltaic module, improve the qualification rate of the photovoltaic module comprising this photovoltaic back.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the photovoltaic back that Fig. 1 provides for one embodiment of the invention;
The structural representation of the photovoltaic module that Fig. 2 provides for one embodiment of the invention;
The manufacture method schematic flow sheet of the photovoltaic back that Fig. 3 provides for one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with schematic diagram, when describing the embodiment of the present invention in detail; for ease of explanation; represent that the profile of device architecture can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, it should not limit the scope of protection of the invention at this.In addition, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
Embodiments provide a kind of photovoltaic back; described photovoltaic back is positioned at the back side of the photovoltaic module comprising this photovoltaic back; for playing support and protective effect to the solar battery sheet in described photovoltaic module; as shown in Figure 1; this photovoltaic back comprises: backboard 11 and be positioned at first glue-line 12 on described backboard 11 surface; wherein; described backboard 11 is structure as a whole with described first glue-line 12; described first glue-line 12 has thermoplasticity and toughness; for with other structural bond, realize being fixedly connected with of described photovoltaic back and other structures.Preferably, described first glue-line 12 is EVA glue-line, but the present invention does not limit this, specifically depends on the circumstances.
It should be noted that, in embodiments of the present invention, described backboard 11 can be gluing combined-type backing plate, also can be coating backboard.When described backboard 11 is gluing combined-type backing plate, described backboard 11 comprises: polyester film and be positioned at the composite membrane of described polyester film both side surface.In one particular embodiment of the present invention, described polyester film is preferably PETG (PET, polyethylene terephthalate) film.But the present invention does not limit this, specifically depend on the circumstances.Preferably, described composite membrane is preferably fluorine film or EVA film.When described backboard 11 is for coating backboard, described backboard 11 passes through usually at polyester film coated on both sides resin, and drying solidification forms.
In embodiments of the present invention, backboard 11 in described photovoltaic back and the first glue-line 12 being positioned at described backboard 11 surface are completed by the disposable production of same producer, namely in same workshop, direct at described backboard 11 surface formation the first glue-line 12 after making described backboard 11, instead of produce backboard 11 and the first glue-line 12 separately, again by described backboard 11 and described first glue-line 12 bonding, thus avoid the problem introducing foreign in prior art dorsulum and EVA glue-line laid processes, solve owing to introducing foreign matter between described backboard and EVA glue-line and cause the underproof problem of photovoltaic module, improve the qualification rate of the photovoltaic module comprising this photovoltaic back.
And, because backboard 11 described in the embodiment of the present invention and the first glue-line 12 are structure as a whole, thus decrease the assembling procedure in photovoltaic module assembling process, reduce the labour intensity that photovoltaic module makes, improve operating efficiency, eventually reduce the cost of described photovoltaic module.
Accordingly, the embodiment of the present invention additionally provides a kind of photovoltaic module, and described photovoltaic module comprises the photovoltaic back that above-mentioned any embodiment provides.
On the basis of above-described embodiment, in one embodiment of the invention, as shown in Figure 2, described photovoltaic module also comprises: the glass substrate 2 be oppositely arranged with described photovoltaic back 1; Be positioned at second glue-line 3 of described glass substrate 2 towards described photovoltaic back 1 side; Solar battery sheet 4 between described second glue-line 3 and described first glue-line 12.It should be noted that, in embodiments of the present invention, described solar battery sheet 4 can monocrystaline silicon solar cell sheet, and can be also polysilicon solar battery slice, the present invention limit this, specifically depends on the circumstances.
On the basis of above-described embodiment, in a preferred embodiment of the invention, described second glue-line 3 is EVA glue-line, and the present invention does not limit this, specifically depends on the circumstances.
The photovoltaic module that the embodiment of the present invention provides is compared to photovoltaic module of the prior art, backboard in prior art in photovoltaic module and EVA glue-line is instead of by photovoltaic back, thus avoid the problem introducing foreign in prior art dorsulum and EVA glue-line laid processes, solve owing to introducing foreign matter between described backboard and EVA glue-line and cause the underproof problem of photovoltaic module, improve the qualification rate of the photovoltaic module comprising this photovoltaic back.
And, because backboard 11 described in the embodiment of the present invention and the first glue-line 12 are structure as a whole, thus decrease the assembling procedure in photovoltaic module assembling process, reduce the labour intensity that photovoltaic module makes, improve operating efficiency, eventually reduce the cost of described photovoltaic module.
In addition, in the photovoltaic module that the embodiment of the present invention provides, described backboard 11 and described first glue-line 12 are structure as a whole, thus avoid photovoltaic module manufacturer when buying separately backboard and the first glue-line, described backboard and the unmatched problem of described first glue-line quantity.
The embodiment of the present invention additionally provides a kind of manufacture method of photovoltaic back, is applied to the photovoltaic back that above-mentioned any embodiment provides, and as shown in Figure 3, the method comprises:
Step 1: make backboard;
Step 2: the glue-line forming one deck melting in described back plate surface;
Step 3: suppress the glue-line of described melting and cool, forms the first glue-line.
On the basis of above-described embodiment, in one embodiment of the invention, the method comprises and also comprising:
Step 4: described photovoltaic back split, is divided into multiple photovoltaic back unit by described photovoltaic back, and in the area of described photovoltaic back unit and single photovoltaic module, the area of solar battery sheet matches.
In sum, photovoltaic back that the embodiment of the present invention provides and preparation method thereof, and comprise the photovoltaic module of this photovoltaic back, backboard in prior art in photovoltaic module and EVA glue-line is instead of by photovoltaic back, thus avoid the problem introducing foreign in prior art dorsulum and EVA glue-line laid processes, solve owing to introducing foreign matter between described backboard and EVA glue-line and cause the underproof problem of photovoltaic module, improve the qualification rate of the photovoltaic module comprising this photovoltaic back.
And, because backboard described in the embodiment of the present invention and the first glue-line are structure as a whole, thus decrease the assembling procedure in photovoltaic module assembling process, reduce the labour intensity that photovoltaic module makes, improve operating efficiency, eventually reduce the cost of described photovoltaic module.
In addition, in the photovoltaic module that the embodiment of the present invention provides, described backboard and described first glue-line are structure as a whole, thus avoid photovoltaic module manufacturer when buying separately backboard and the first glue-line, described backboard and the unmatched problem of described first glue-line quantity.
In this specification, various piece adopts the mode of going forward one by one to describe, and what each some importance illustrated is the difference with other parts, between various piece identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a photovoltaic back; described photovoltaic back is positioned at the back side of the photovoltaic module comprising this photovoltaic back; for playing support and protective effect to the solar battery sheet in described photovoltaic module; it is characterized in that; this photovoltaic back comprises: backboard and be positioned at the first glue-line of described back plate surface; wherein, described backboard and described first glue-line are structure as a whole, and described first glue-line has thermoplasticity and toughness.
2. photovoltaic back according to claim 1, is characterized in that, described first glue-line is EVA glue-line.
3. photovoltaic back according to claim 1, is characterized in that, described backboard comprises: polyester film and be positioned at the composite membrane of described polyester film both side surface.
4. photovoltaic back according to claim 3, is characterized in that, described composite membrane is fluorine film or EVA film.
5. a photovoltaic module, is characterized in that, comprises the photovoltaic back described in any one of claim 1-4.
6. photovoltaic module according to claim 5, is characterized in that, also comprises: the glass substrate be oppositely arranged with described photovoltaic back; Be positioned at second glue-line of described glass substrate towards described photovoltaic back side; Solar battery sheet between described second glue-line and described first glue-line.
7. a manufacture method for photovoltaic back, be applied to the photovoltaic back described in any one of claim 1-4, it is characterized in that, the method comprises:
Make backboard;
The glue-line of one deck melting is formed in described back plate surface;
The glue-line of described melting is suppressed and cooled, forms the first glue-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236107.0A CN104900740A (en) | 2015-05-11 | 2015-05-11 | Photovoltaic backplane, manufacture method thereof and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236107.0A CN104900740A (en) | 2015-05-11 | 2015-05-11 | Photovoltaic backplane, manufacture method thereof and photovoltaic module |
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| Publication Number | Publication Date |
|---|---|
| CN104900740A true CN104900740A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510236107.0A Pending CN104900740A (en) | 2015-05-11 | 2015-05-11 | Photovoltaic backplane, manufacture method thereof and photovoltaic module |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359695A (en) * | 2008-09-02 | 2009-02-04 | 中国乐凯胶片集团公司 | Back plate of solar cell |
| CN201266610Y (en) * | 2008-09-02 | 2009-07-01 | 中国乐凯胶片集团公司 | Solar cell backboard |
| CN201466033U (en) * | 2009-06-05 | 2010-05-12 | 中国乐凯胶片集团公司 | Solar energy battery backplane |
| CN201616442U (en) * | 2010-01-27 | 2010-10-27 | 上海海优威电子技术有限公司 | Back panel of solar battery |
| CN202045951U (en) * | 2011-04-06 | 2011-11-23 | 光为绿色新能源有限公司 | Novel back plate for solar battery pack |
| CN202134553U (en) * | 2011-06-26 | 2012-02-01 | 江苏顺大半导体发展有限公司 | Single crystal silicon solar module |
-
2015
- 2015-05-11 CN CN201510236107.0A patent/CN104900740A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359695A (en) * | 2008-09-02 | 2009-02-04 | 中国乐凯胶片集团公司 | Back plate of solar cell |
| CN201266610Y (en) * | 2008-09-02 | 2009-07-01 | 中国乐凯胶片集团公司 | Solar cell backboard |
| CN201466033U (en) * | 2009-06-05 | 2010-05-12 | 中国乐凯胶片集团公司 | Solar energy battery backplane |
| CN201616442U (en) * | 2010-01-27 | 2010-10-27 | 上海海优威电子技术有限公司 | Back panel of solar battery |
| CN202045951U (en) * | 2011-04-06 | 2011-11-23 | 光为绿色新能源有限公司 | Novel back plate for solar battery pack |
| CN202134553U (en) * | 2011-06-26 | 2012-02-01 | 江苏顺大半导体发展有限公司 | Single crystal silicon solar module |
Non-Patent Citations (1)
| Title |
|---|
| 严鲁薪: "《太阳能光伏发电系统集成与施工》", 1 April 2015, 西北工业大学出版社 * |
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Application publication date: 20150909 |