CN105914263A - Packaging technology of solar cell module - Google Patents

Packaging technology of solar cell module Download PDF

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Publication number
CN105914263A
CN105914263A CN201610395409.7A CN201610395409A CN105914263A CN 105914263 A CN105914263 A CN 105914263A CN 201610395409 A CN201610395409 A CN 201610395409A CN 105914263 A CN105914263 A CN 105914263A
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CN
China
Prior art keywords
edge
glass plate
eva
value
eva layer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610395409.7A
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Chinese (zh)
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CN105914263B (en
Inventor
林瀚琪
王旭辉
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Huanghe Water Electric Light Volt Industrial Technology Co Ltd
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Huanghe Water Electric Light Volt Industrial Technology Co Ltd
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Priority to CN201610395409.7A priority Critical patent/CN105914263B/en
Publication of CN105914263A publication Critical patent/CN105914263A/en
Priority to PCT/CN2017/085602 priority patent/WO2017211180A1/en
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Publication of CN105914263B publication Critical patent/CN105914263B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a packaging technology of a solar cell module. The technology comprises a laying process. The laying process comprises the following step of successively laminating and laying a glass plate, a first EVA layer, a cell panel, a second EVA layer and a backboard, wherein on a first side and a second side which is adjacent to the first side of the glass plate, a width of an edge of the first EVA layer, which exceeds an edge of the glass plate, is a first value, and a width of an edge of the second EVA layer, which exceeds the edge of the glass plate, is a second value; on a third side which is opposite to the first side and a fourth side which is opposite to the second side of the glass plate, the width of the edge of the first EVA layer, which exceeds the edge of the glass plate, is the second value, and the width of the edge of the second EVA layer, which exceeds the edge of the glass plate, is the first value; and the first value is less than the second value. An EVA amount during a production process of the solar cell module can be effectively reduced, and production cost and product unit consumption are decreased.

Description

A kind of packaging technology of solar module
Technical field
The present invention relates to technical field of solar batteries, particularly relate to the encapsulation work of a kind of solar module Skill.
Background technology
Solar module is by glass, EVA (abbreviation of Ethylene-vinyl acetate, ethyl vinyl acetate Ethylene copolymer), battery, backboard, lay encapsulation, lamination one laggard luggage frame generator unit.Encapsulation It is the committed step in manufacture of solar cells, does not has good packaging technology, how good battery also to produce not The component palette gone out.The encapsulation of battery is possible not only to make the life-span of battery to be guaranteed, but also enhances electricity The anti-shock strength in pond.The high-quality of product and high life be win can the key of customer satisfaction, so component palette Package quality extremely important.
At present, the packaging technology flow process that solar module is conventional is: battery detecting front is welded Back serial connection laying layer press-fits frame Welding junction box module testing outward appearance Test package is put in storage.Wherein, refer to when laying main arrange glass, EVA, battery, backboard lamination, Laminated glass, ground floor EVA, battery, second layer EVA and backboard the most successively time generally.Layer Pressure then refers to use hot press hot binding to form an entirety all parts laid, and specifically exists Under certain vacuum, certain at a temperature of, make the ground floor EVA in laminated construction and second layer EVA Hot melt also solidifies so that constitute good the combining of each functional layer of solar module.
Due in the operation of lamination, ground floor EVA and second layer EVA elder generation hot melt resolidification, therefore exist In the operation laid, the surrounding of ground floor EVA and second layer EVA is required for the surrounding beyond glass.Mesh Front lays in operation, and the surrounding of ground floor EVA and second layer EVA exceeds the surrounding 3~5mm of glass, And surrounding symmetrically is laid.This ground floor EVA and second layer EVA that lays is primarily present following two Individual problem: the area of (1) ground floor EVA and second layer EVA is the biggest, and EVA consumption is more, causes Production cost increases;(2) after carrying out lamination, on laminating apparatus, EVA residual is more, causes Equipment loss increases.
Summary of the invention
In view of this, the invention provides the packaging technology of a kind of solar module, by encapsulation work Operation of laying in skill improves, and can effectively reduce the consumption of EVA in solar components production process, Reduce production cost and unit consumption of product, and also can reduce in solar components production lamination process, EVA Residual in laminating machine, reduces equipment loss.
To achieve these goals, present invention employs following technical scheme:
A kind of packaging technology of solar module, including laying operation, wherein, described in lay operation bag Include: lamination lays glass plate, the first EVA layer, cell panel, the second EVA layer and backboard successively;Wherein, In the first side of described glass plate and second side adjacent with the first side, the edge of described first EVA layer exceeds The width at the edge of described glass plate is the first numerical value, and the edge of described second EVA layer exceeds described glass plate The width at edge be second value;Threeth side relative with the first side of described glass plate and with the second side The 4th relative side, the edge of described first EVA layer is the second number beyond the width at the edge of described glass plate Value, the edge of described second EVA layer is the first numerical value beyond the width at the edge of described glass plate;Wherein, Described first numerical value is less than described second value.
Preferably, second value little 1~3mm described in described first numeric ratio.
Preferably, described first numerical value is 1~2mm, and described second value is 3~4mm.
Further, described packaging technology also includes the glass plate laid, the first EVA layer, battery Plate, the second EVA layer and backboard carry out the operation being laminated.
Compared to prior art, the packaging technology of the solar module that the embodiment of the present invention provides, applying If in operation, in the first side of glass plate and second side adjacent with the first side, the edge of the first EVA layer surpasses The width at the edge going out glass plate is the first numerical value, and the edge of the second EVA layer is beyond the width at the edge of glass plate Degree is second value;And in threeth side relative with the first side of glass plate and fourth side relative with the second side, The edge of the first EVA layer is second value beyond the width at the edge of glass plate, and the edge of the second EVA layer surpasses The width at the edge going out glass plate is the first numerical value, and described first numerical value is less than described second value, thus, First EVA layer and the second EVA layer use the system of laying that dislocation is complementary, before meeting component package and requiring Putting, the first EVA layer and the second EVA layer can reduce the edge beyond glass plate, the both sides therein respectively Width, can effectively reduce the consumption of EVA in solar components production process, reduces production cost and product Unit consumption, and also can reduce in solar components production lamination process, EVA residual in laminating machine, Reduce equipment loss.
Accompanying drawing explanation
Fig. 1 be the solar module of the embodiment of the present invention packaging technology in carry out laying the example of operation Property diagram;
Fig. 2 be in the embodiment of the present invention the first EVA layer and glass plate relative to the graphical representation of exemplary of position;
Fig. 3 be in the embodiment of the present invention the second EVA layer and glass plate relative to the graphical representation of exemplary of position.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to the present invention's Detailed description of the invention is described in detail.The example of these preferred implementations is illustrated in the accompanying drawings. The embodiments of the present invention shown in accompanying drawing and described with reference to the accompanying drawings are merely exemplary, and the present invention It is not limited to these embodiments.
Here, also, it should be noted in order to avoid having obscured the present invention because of unnecessary details, attached Figure illustrate only and according to the closely-related structure of the solution of the present invention and/or process step, and eliminate Other details little with relation of the present invention.
In the method for packing of the solar module that the embodiment of the present invention provides, comprise the following steps:
S1, cell inspection, to reach the purpose of burst:
Due to the randomness of cell piece manufacturing conditions, the battery performance produced is not quite similar, so in order to By battery combination consistent or close for performance the most together, so should classify according to its performance parameter; It is i.e. classified by battery testing by the size of the output parameter (electric current and voltage) of test battery, with Improve the utilization rate of battery, make up-to-standard battery component.
S2, front welding:
Being welded to by convergent belt in the main gate line of battery front side (negative pole), convergent belt is tin plating copper strips, When the welding having more welds overleaf, the backplate with cell piece below is connected.
S3, back serial connection:
The back side welding be multi-disc battery strings is connected together formation one component string, operator use electric cautery and The front electrode (negative pole) of " forward battery " (is just being welded to the backplate of " rear battery " by solder stick Pole) on, the most successively multi-disc it is serially connected and welds out lead-in wire at the both positive and negative polarity of component string, forming electricity Pond plate.
S4, lay operation (also referred to as lamination procedure):
Back serial connection is good and through after the assay was approved, by the EVA of cell panel, glass plate and well cutting, Backboard lays according to certain level, prepares lamination.
As it is shown in figure 1, the level laid is followed successively by from bottom to top: glass plate the 1, first EVA layer 2, electricity Pond plate the 3, second EVA layer 4 and backboard 5.
Wherein, as shown in Figures 2 and 3, Fig. 2 shows the phase para-position of the first EVA layer 2 and glass plate 1 Putting relation, Fig. 3 shows the relative position relation of the second EVA layer 4 and glass plate 1.As in figure 2 it is shown, The first side 1a and the second side 1b adjacent for side 1a with first, described first EVA layer at described glass plate 1 The edge of 2 is the first numerical value d1 beyond the width at the edge of described glass plate 1, and at described glass plate 1 The threeth side 1c relative for side 1a with the first and fourth side 1d relative for side 1b with second, a described EVA The edge of layer 2 is second value d2 beyond the width at the edge of described glass plate 1, wherein said first numerical value D1 is less than described second value d2, the value of second value d2 and the edge, surrounding of EVA layer in prior art Width beyond the edge of glass plate is suitable.Further, laying of the second EVA layer 4, be and an EVA Layer 2 lay dislocation complementation, as it is shown on figure 3, described glass plate 1 the first side 1a and with the first side 1a The second adjacent side 1b, the edge of described second EVA layer 4 beyond the width at the edge of described glass plate 1 is Second value d2, and described glass plate 1 the threeth side 1c relative for side 1a with first and with the second side 1b The 4th relative side 1d, the edge of described second EVA layer 4 beyond the width at the edge of described glass plate 1 is First numerical value d1.
Based on above system of laying, owing to second value d2 is suitable with existing numerical value, the first numerical value d1 Less than second value d2, although single EVA layer (first EVA layer 2 or the second EVA layer 4) area subtracts Little, but the first EVA layer 2 and the second EVA layer 4 are stacking and the position relationship of dislocation complementation, and it is still Disclosure satisfy that the encapsulation requirement of assembly;And owing to the first EVA layer 2 and the second EVA layer 4 can reduce respectively Both sides therein, beyond the width at the edge of glass plate 1, can effectively reduce in solar components production process The consumption of EVA, reduces production cost and unit consumption of product, and also can reduce solar components production lamination During, EVA residual in laminating machine, reduces equipment loss.
Preferably in technical scheme, described first numerical value d1 is than described second value d2 little 1~3mm.Specifically In the present embodiment, described first numerical value d1 selects between 1~2mm, and described second value d2 selects Between 3~4mm.
S5, lamination:
The battery laid is put into laminating machine, by evacuation, the air in assembly is extracted out, then Heating makes EVA fusing battery, glass and backboard be bonded together, and assembly is taken out in finally cooling.
S6, rim frame:
It is similar to and fills a picture frame to glass;Fill aluminum frame to glass assembly, increase the intensity of assembly, enter one The sealed cell assembly of step, extends the service life of battery.
S7, Welding junction box:
At module backside lead-in wire, weld a box, be beneficial to the company between battery and other equipment or battery Connect.
S8, module testing:
The purpose of test is that the parameters such as the output to battery are demarcated, and tests its output characteristics, really Determine the credit rating of assembly.
S9, appearance test.
S10, packaging warehouse-in:
Record and conclusion to product information, it is simple to use and search from now on and data call.
In sum, the packaging technology of the solar module that the embodiment of the present invention provides, by encapsulation Operation of laying in technique improves, and can effectively reduce the consumption of EVA in solar components production process, Reduce production cost and unit consumption of product, and also can reduce in solar components production lamination process, EVA Residual in laminating machine, reduces equipment loss.
It should be noted that in this article, the relational terms of such as first and second or the like be used merely to by One entity or operation separate with another entity or operating space, and not necessarily require or imply these Relation or the order of any this reality is there is between entity or operation.And, term " includes ", " comprising " Or its any other variant is intended to comprising of nonexcludability, so that include the mistake of a series of key element Journey, method, article or equipment not only include those key elements, but also other including being not expressly set out Key element, or also include the key element intrinsic for this process, method, article or equipment.Do not having In the case of more restrictions, statement " including ... " key element limited, it is not excluded that including described wanting Process, method, article or the equipment of element there is also other identical element.
The above is only the detailed description of the invention of the application, it is noted that common for the art For technical staff, on the premise of without departing from the application principle, it is also possible to make some improvements and modifications, These improvements and modifications also should be regarded as the protection domain of the application.

Claims (4)

1. a packaging technology for solar module, including laying operation, it is characterised in that described Lay operation to include: successively lamination lay glass plate, the first EVA layer, cell panel, the second EVA layer with And backboard;
Wherein, at the first side of described glass plate and second side adjacent with the first side, a described EVA The edge of layer is the first numerical value beyond the width at the edge of described glass plate, the edge of described second EVA layer Width beyond the edge of described glass plate is second value;Relative with the first side at described glass plate 3rd side and fourth side relative with the second side, the edge of described first EVA layer is beyond described glass plate The width at edge is second value, and the edge of described second EVA layer is beyond the width at the edge of described glass plate Degree is the first numerical value;
Wherein, described first numerical value is less than described second value.
The packaging technology of solar module the most according to claim 1, it is characterised in that institute State second value described in the first numeric ratio little 1~3mm.
The packaging technology of solar module the most according to claim 1 and 2, it is characterised in that Described first numerical value is 1~2mm, and described second value is 3~4mm.
The packaging technology of solar module the most according to claim 1, it is characterised in that institute State packaging technology also to include the glass plate laid, the first EVA layer, cell panel, the second EVA layer And backboard carries out the operation that is laminated.
CN201610395409.7A 2016-06-06 2016-06-06 A kind of packaging technology of solar cell module Active CN105914263B (en)

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CN201610395409.7A CN105914263B (en) 2016-06-06 2016-06-06 A kind of packaging technology of solar cell module
PCT/CN2017/085602 WO2017211180A1 (en) 2016-06-06 2017-05-24 Solar cell module packaging technique

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017211180A1 (en) * 2016-06-06 2017-12-14 刘申冉 Solar cell module packaging technique
WO2017211179A1 (en) * 2016-06-06 2017-12-14 刘申冉 Solar cell module lay-up structure
CN109755345A (en) * 2018-11-28 2019-05-14 米亚索能光伏科技有限公司 A kind of solar panel and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111312842B (en) * 2019-12-02 2023-12-01 山东景白新材料科技有限公司 Paving method of reflective film for photovoltaic module

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US20080105294A1 (en) * 2004-12-22 2008-05-08 Showa Shell Sekiyu K.K. Cis Type Thin-Film Photovoltaic Module, Process for Producing the Photovoltaic Module, and Method of Separating the Module
CN202004026U (en) * 2011-03-25 2011-10-05 宁波启鑫光电有限公司 Solar cell component
CN203398131U (en) * 2013-07-01 2014-01-15 西安普瑞新特能源有限公司 Solar photovoltaic assembly with laminated structure

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CN202103069U (en) * 2011-05-26 2012-01-04 海南英利新能源有限公司 Solar cell module
CN203850313U (en) * 2014-03-31 2014-09-24 西安普瑞新特能源有限公司 Solar photovoltaic assembly with three junction box structures
CN205845986U (en) * 2016-06-06 2016-12-28 黄河水电光伏产业技术有限公司 A kind of laying structure of solar module
CN105914263B (en) * 2016-06-06 2018-01-19 黄河水电光伏产业技术有限公司 A kind of packaging technology of solar cell module

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Publication number Priority date Publication date Assignee Title
US20080105294A1 (en) * 2004-12-22 2008-05-08 Showa Shell Sekiyu K.K. Cis Type Thin-Film Photovoltaic Module, Process for Producing the Photovoltaic Module, and Method of Separating the Module
CN202004026U (en) * 2011-03-25 2011-10-05 宁波启鑫光电有限公司 Solar cell component
CN203398131U (en) * 2013-07-01 2014-01-15 西安普瑞新特能源有限公司 Solar photovoltaic assembly with laminated structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017211180A1 (en) * 2016-06-06 2017-12-14 刘申冉 Solar cell module packaging technique
WO2017211179A1 (en) * 2016-06-06 2017-12-14 刘申冉 Solar cell module lay-up structure
CN109755345A (en) * 2018-11-28 2019-05-14 米亚索能光伏科技有限公司 A kind of solar panel and preparation method thereof

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