CN106549072B - Space static electricity protects solar battery array interconnection package structure and method - Google Patents
Space static electricity protects solar battery array interconnection package structure and method Download PDFInfo
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- CN106549072B CN106549072B CN201611108863.6A CN201611108863A CN106549072B CN 106549072 B CN106549072 B CN 106549072B CN 201611108863 A CN201611108863 A CN 201611108863A CN 106549072 B CN106549072 B CN 106549072B
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- bypass diode
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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
Abstract
The invention discloses space static electricity protection solar battery array interconnection package structure and method, space static electricity protection solar battery array interconnection package structure disclosed by the invention includes：Substrate, solar cell, Flouride-resistani acid phesphatase electro-conductive glass cover plate；The substrate surface coats floor height resistance conducting resinl, solar cell is pasted onto substrate surface, described one unfilled corner of solar cell is in parallel with bypass diode, and the Flouride-resistani acid phesphatase electro-conductive glass cover plate conductive layer is covered in solar battery surface away from solar cell；The upper and lower surface at described one angle of Flouride-resistani acid phesphatase electro-conductive glass cover plate and corresponding side surface are coated with metallic film；The metallic film is connected by high resistant conducting resinl with bypass diode.The method of the present invention is not only compatible with traditional solar battery array assembly technology, and simple, reliable, it can be achieved that Automated assembly etc..
Description
Technical field
The present invention relates to space industry power technology more particularly to space static electricity protection solar battery array interconnection package structures
And method.
Background technology
With the development of space technology, spacecraft and subsystem tend to lighting, low energy consumption, multi-functional complex load
Integrated development.And high pressure acid leaching has many advantages, such as that energy loss is low and cable dosage is few, it has also become spatial overlay
The inexorable trend of development, external a large amount of aircraft largely use.It is but exhausted in solar battery array since space environment effect influences
Edge surface will generate accumulation of static electricity and secondary discharge, be destroyed so as to cause cell array, and aircraft can not continue normal operation.
To overcome this shortcoming, domestic and international 400 ~ 600V high-tension batteries battle array generally use is coated with TCO transparent conducting glass lids
Piece solar cell encapsulation so that electrostatic is dredged through coverslip surface TCO conductive films, so as to solve high voltage electrostatic discharge and arc
The problem of light electric discharge destroys cell array, the feasibility of the program have obtained largely flight and ground simulating verification, but pin
Mutual contact mode is reported not the same both at home and abroad to transparent conducting glass cover plate and its between substrate.
The making of transparent conducting glass cover plate has following several：One kind is to be coated with ITO conductive films on cover glass surface；
One kind is to be coated with ITO and AR anti-reflection films successively on cover glass surface, and AR anti-reflection films are mostly magnesium fluoride（MgF2）It is thin
Film, such as domestic patent 201418001370.8 and United States Patent (USP) US 6713670B2 are disclosed；One kind is to be coated with oxygen in glass surface
SiClx film, such as 201418001370.8 disclosure of domestic patent.
Mutual connection mode has several ways between cover glass and substrate, and one kind is thin in electrically conducting transparent by mode for dispensing glue
Using high resistant conduction glue connection between film and interconnection sheet metal, as described in disclosed 201410451763.8 patent；One kind is logical
Increase battery or battery strings spacing are crossed, the probability that once discharges is reduced, secondary discharge is avoided so as to reach, it is such as disclosed
201210177257.5 described in patent；One kind is that metallic film is coated in cover plate side, and in metallic film area welding mutual connection gold
Belong to piece, then metal mutually either directly uses high resistant with welding battery between metallic film area and interconnection sheet metal again in flakes
Conductive glue connection.
It is clear that Yi Shang production method there are many unreliable factors, first, is only coated with the cover glass of ito thin film,
Its surface ito thin film space environment stability is poor, and secondly cover plate side is coated with metallic film and exists with interconnection metal welding manner
Metallic film solderability is poor, and welding difficulty is also larger, by mode for dispensing glue in TCO thin film or metallic film area and interconnection metal
It is put between piece or drips the production method of high resistant conducting resinl there are microcell dispensing difficulty is big, glue is exposed in space, to conducting resinl sheet
The space environment stability of body is challenged, and space reliability is poor, while its technique realizability, compatibility, automated process
Ability is poor, it is difficult to meet model production and space application requirement, while by way of increasing battery and battery strings spacing,
Can cause pieces of cloth rate reduction, and this method be only limitted to low voltage electrostatic protection it is effective, the static discharge of relatively high pressure is then difficult
Effectively to protect, such as the high pressure of 300V, more than 400V.
The content of the invention
The present invention solves the problems, such as it is that existing solar battery array is low in space environment functional reliability；To be asked described in solution
Topic, the present invention provide space static electricity protection solar battery array interconnection package structure and method.
Space static electricity protection solar battery array interconnection package structure provided by the invention includes：Substrate, solar cell, anti-spoke
According to electro-conductive glass cover plate；The substrate surface coats floor height resistance conducting resinl, and solar cell is pasted onto substrate surface, it is described too
One, positive electricity pond unfilled corner is in parallel with bypass diode, and the Flouride-resistani acid phesphatase electro-conductive glass cover plate conductive layer is away from solar cell, covering
In solar battery surface；The upper and lower surface at described one angle of Flouride-resistani acid phesphatase electro-conductive glass cover plate and corresponding side surface are coated with metallic film；
The metallic film is electrically connected with bypass diode.
Further, the material of the metallic film is low bulk metal or metal alloy；Thickness is 0.8~2.2 micron.
Further, high resistant conductive adhesive is passed through between the metallic film and bypass diode；The high resistant conducting resinl
Resistance be 105 ~108Ω；The coated area of the high resistant conducting resinl corresponds to the 35%~65% of surface area for bypass diode.
Further, the metallic film shading-area that the Flouride-resistani acid phesphatase electro-conductive glass coverslip surface is coated with is bypass diode face
Long-pending 50% ~ 75%.
Further, the Flouride-resistani acid phesphatase electro-conductive glass cover plate includes：Cover glass is plated on the cover glass surface successively
ITO conductive films and anti-reflection film；The thickness of the ITO conductive films is 17~32nm, and the material of the anti-reflection film is magnesium fluoride
Or silica, thickness are 90~110nm.
Further, the resistance between Flouride-resistani acid phesphatase electro-conductive glass cover plate and solar cell or the bypass diode back side is 106 ~
108Ω。
The present invention also provides the method for packing of described space static electricity protection solar battery array interconnection package structure, including：
Step 1: Flouride-resistani acid phesphatase electro-conductive glass cover plate is made, the Flouride-resistani acid phesphatase electro-conductive glass cover plate cross sectional shape and sun electricity
Pool surface matches；Flouride-resistani acid phesphatase electro-conductive glass cover plate is coated with successively with the upper and lower surface of bypass diode corresponding region and side
Metallic film；
Step 2: metal is mutually welded with bypass diode, solar cel electrode respectively in flakes, bypass diode and the sun
Cell parallel welds；
Step 3: Flouride-resistani acid phesphatase electro-conductive glass cover plate is bonded in solar cell light receiving surface, bypass diode and the gold
Belong to film electrical connection；
Step 4: whether the resistance between test cover glass and solar cell or bypass diode meets the requirements, it will be full
The solar cell series connection welding required enough, is made solar module.
Step 5: coat high resistant conducting resinl in solar battery array substrate surface；Solar module is pressed into predetermined gap cloth
It is attached to substrate surface, and cure under pressure；
It Step 6: arranging power transmission conducting wire in substrate back, is electrically connected, tests, complete space static electricity protection too
Positive cell array encapsulation.
Step 7: resistance is 10 between the arbitrary cover glass surface of testing solar battery battle array and substrate surface6 ~108Ω。
Advantages of the present invention includes：
The present invention is by Flouride-resistani acid phesphatase electro-conductive glass cover plate light-receiving surface, solar cell, bypass diode three by rolling up covered with gold leaf belong to
Film, the connection of high resistant conducting resinl, the electrostatic that space generates pass sequentially through the transparent conductive film of Flouride-resistani acid phesphatase electro-conductive glass coverslip surface
System, metallic film, the positive pole-face of bypass diode, bypass diode metal mutually in flakes and the high resistant conducting resinl of substrate surface, most
Ground resistance is flowed to eventually, so as to fulfill electrostatic protection.
The solar battery array that the present invention makes has the function of Anti-static, and spatial stability, and technique inheritance is good, operation letter
It is single, it is easy to accomplish, can automated process.
Description of the drawings
Fig. 1 is space static electricity protection solar battery array interconnection package structure top view provided in an embodiment of the present invention；
Fig. 2 is that the Flouride-resistani acid phesphatase of space static electricity protection solar battery array interconnection package structure provided in an embodiment of the present invention is conductive
The top view of cover glass；
Fig. 3 is the sectional view of space static electricity protection solar battery array interconnection package structure provided in an embodiment of the present invention；
Fig. 4 is that the Flouride-resistani acid phesphatase of space static electricity protection solar battery array interconnection package structure provided in an embodiment of the present invention is conductive
The sectional view of cover glass；
Fig. 5 is that the space static electricity that the embodiment of the present invention provides protects solar battery array interconnection package structure, electrically conducting transparent
Cover glass encapsulates the schematic diagram of bypass diode.
Specific embodiment
Hereinafter, the design and example of the present invention are further elaborated in conjunction with the accompanying drawings and embodiments.
As shown in Figure 1, space static electricity protection solar battery array interconnection package structure provided in an embodiment of the present invention includes：Base
Plate 3, solar cell 2, Flouride-resistani acid phesphatase electro-conductive glass cover plate 1；3 surface of substrate coats floor height resistance conducting resinl 4, by solar cell
2 are pasted onto 3 surface of substrate, and described 2 one unfilled corners of solar cell are in parallel with bypass diode 7, the Flouride-resistani acid phesphatase electro-conductive glass lid
1 conductive layer of piece is covered in 2 surface of solar cell away from solar cell 2；Described 1 one angles of Flouride-resistani acid phesphatase electro-conductive glass cover plate it is upper,
Lower surface and corresponding side surface are coated with metallic film 12（See Fig. 2）；The metallic film 12 is electrically connected with bypass diode 7；The sun
Battery is connected with each other composition solar battery array.The bypass diode 7 is attached to 3 surface of substrate, solar cell with 2 cloth of solar cell
For battle array in Space-Work, the charge that 1 surface of Flouride-resistani acid phesphatase electro-conductive glass cover plate generates passes sequentially through electrically conducting transparent membrane system 11, gold
Belong to film 12 and be transferred to bypass diode 7, then substrate surface high resistant conducting resinl 4 is transferred to by bypass diode extraction electrode and is carried out
Electric discharge, will not damage solar cell.
With reference to reference to figure 2 and Fig. 4, the Flouride-resistani acid phesphatase electro-conductive glass cover plate includes cover glass 13, the cover glass 13
Shape and the shape of solar cell match, made of the glass for being coated with electrically conducting transparent membrane system 11, the cover glass with
The upper and lower surface in region and corresponding side surface corresponding to bypass diode are coated with metallic film 12；In the present embodiment, the metal
The material of film is titanium or iron-nickel alloy；Thickness is 0.8~2.2 micron, such as 1 micron, and the shading-area of metallic film is
The 50% ~ 75% of bypass diode area, such as 60%.After metallic film 12 is coated with, a surface of cover glass 13 according to
It is secondary to be coated with ITO conductive films 112 and anti-reflection film 111；The thickness of the ITO conductive films 112 is 17~32nm, such as 25nm,
The resistance of ITO conductive films 112 is 105 ~108Ω；The material of the anti-reflection film is magnesium fluoride or silica, thickness for 90~
110nm, such as 100nm, transmitance gain are no less than 1%.
The thickness of each tunic, which crosses conference, reduces light transmittance；Its too small compactness of thickness is poor, resistance is excessive, it is impossible to meet
It is required that the thickness of each tunic is optimized in the present embodiment, it is 1 micron to have drawn thickness of metal film, ITO conductive thins
The thickness of film is 25nm, and the thickness of anti-reflection film is that 100nm is optimum thickness proportioning.Metallic film 12 is connected with ito thin film, and with
Cover glass it is thermally matched or formed solid solution alloy, with electro-conductive glass 13 between bond strength be more than 0.83N/mm2, therefore, can
It is good by property.
With reference to reference to figure 3 and Fig. 5, with metal mutually in flakes 5 and bypass diode metal mutually in flakes 71 respectively with solar cell 2
With 7 electrode welding of bypass diode, and by the bypass diode 7 after welding it is in parallel with solar cell 2 welding, then test welding
Electrical property afterwards.22 He of transparent silicone rubber is respectively applied in solar cell light-receiving surface and bypass diode surface placed in the middle after welding
High resistant conducting resinl 4 is bonded using the transparent silicone rubber 22 and Flouride-resistani acid phesphatase electro-conductive glass cover plate, utilizes the high resistant conducting resinl 4
It is bonded with bypass diode；Bypass diode surface high resistant conductive glue area is 35%~65%, such as 45%, the high resistant
The resistance of conducting resinl 4 is 105 ~108Ω。
The bonding mode of solar cell and Flouride-resistani acid phesphatase electro-conductive glass cover plate is as shown in figure 5, the Flouride-resistani acid phesphatase electro-conductive glass lid
The ITO plated films of piece are face-up, are disposed vertically on solar cell, wherein the region for being coated with metallic film is attached to bypass diode
Then area carries out pressurization heat cure, CIC stacked solar cell, cascade solar cells are completed after curing and are made.Using ohmmeter test cover glass with
Whether the resistance between solar cell or bypass diode meets the requirements, by the stacked solar cell, cascade solar cell met the requirements according to design work(
Rate carries out series and parallel welding, completes solar module and makes；The electrical property of testing solar battery component and each component respectively
Whether resistance meets the requirements between first battery glass coverslip surface and last a piece of cell backside electrode, then in sun electricity
The solar module of test passes is carried out base by pond substrate surface even application high resistant conducting resinl according to parallel connection gaps for 2mm
Plate surface cloth pastes, last cure under pressure, completes solar module cloth patch.
Electric current transfer wire is arranged in substrate back, then into the welderings such as row conductor and component connection sheet 6, isolating diode
It connects, clears up solar battery array excess surface object, further testing solar battery battle array electrical property completes space static electricity protection sun electricity
The encapsulation of Chi Zhen.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, according to the present invention
Any simple modifications, equivalents, and modifications made to above example of technical spirit, belong to technical solution of the present invention
Protection domain.
Claims (8)
1. space static electricity protects solar battery array interconnection package structure, which is characterized in that including：Substrate, solar cell, Flouride-resistani acid phesphatase
Electro-conductive glass cover plate；The substrate surface coats floor height resistance conducting resinl, and solar cell is pasted onto substrate surface, the sun
One unfilled corner of battery is in parallel with bypass diode, and the Flouride-resistani acid phesphatase electro-conductive glass cover plate conductive layer is covered in away from solar cell
Solar battery surface；The upper and lower surface at described one angle of Flouride-resistani acid phesphatase electro-conductive glass cover plate and corresponding side surface are coated with metallic film；Institute
Metallic film is stated to be electrically connected with bypass diode.
2. protect solar battery array interconnection package structure according to space static electricity described in claim 1, which is characterized in that the gold
The material for belonging to film is low bulk metal or metal alloy；Thickness is 0.8~2.2 micron.
3. protect solar battery array interconnection package structure according to space static electricity described in claim 1, which is characterized in that the gold
Belong to and pass through high resistant conductive adhesive between film and bypass diode；The resistance of the high resistant conducting resinl is 105 ~108Ω；It is described
The coated area of high resistant conducting resinl corresponds to the 35%~65% of surface area for bypass diode.
4. protect solar battery array interconnection package structure according to space static electricity described in claim 1, which is characterized in that described anti-
The metallic film shading-area for irradiating electro-conductive glass coverslip surface is the 50% ~ 75% of bypass diode area.
5. protect solar battery array interconnection package structure according to space static electricity described in claim 1, which is characterized in that described anti-
Irradiation electro-conductive glass cover plate includes：Cover glass, the ITO conductive films and anti-reflection film for being plated on the cover glass surface successively；
The thickness of the ITO conductive films is 17~32nm, and the material of the anti-reflection film is magnesium fluoride or silica, thickness for 90~
110nm。
6. according to the space static electricity protection solar battery array interconnection package structure described in claim 5, which is characterized in that Flouride-resistani acid phesphatase
Resistance between electro-conductive glass cover plate and solar cell or bypass diode is 106 ~108Ω。
7. the encapsulation for the space static electricity protection solar battery array interconnection package structure that any one is provided in claim 1 to 6
Method, which is characterized in that including：
Step 1: make Flouride-resistani acid phesphatase electro-conductive glass cover plate, the Flouride-resistani acid phesphatase electro-conductive glass cover plate cross sectional shape and solar-cell timepiece
Face matches；Flouride-resistani acid phesphatase electro-conductive glass cover plate is coated with metal successively with the upper and lower surface of bypass diode corresponding region and side
Film；
Step 2: metal is mutually welded with bypass diode, solar cel electrode respectively in flakes, bypass diode and solar cell
Parallel connection welding；
Step 3: Flouride-resistani acid phesphatase electro-conductive glass cover plate is bonded in solar cell light receiving surface, bypass diode and the metal foil
Film is electrically connected；
Step 4: whether the resistance between test cover glass and solar cell or bypass diode meets the requirements, it will by meeting
The solar cell asked carries out Series connection welding according to power designs, and solar module is made；
Step 5: coat high resistant conducting resinl in solar battery array substrate surface；Solar module is pressed into pre-designed parallel connection gaps
Cloth is attached to substrate surface, and cure under pressure；
It Step 6: arranging power transmission conducting wire in substrate back, is electrically connected, tests, complete space static electricity protection sun electricity
Chi Zhen is encapsulated.
8. according to the method for packing described in claim 7, which is characterized in that the arbitrary cover glass surface of solar battery array with
Resistance is 10 between substrate surface6 ~108Ω。
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244161B (en) * | 2018-09-18 | 2020-08-11 | 上海空间电源研究所 | Semi-rigid solar cell module structure and preparation method thereof |
| CN111312838A (en) * | 2018-11-27 | 2020-06-19 | 海鹰航空通用装备有限责任公司 | Photovoltaic module of solar unmanned aerial vehicle and solar unmanned aerial vehicle |
| CN109713067A (en) * | 2018-12-10 | 2019-05-03 | 上海空间电源研究所 | A kind of space semi-rigid solar cell structure and preparation method thereof |
| CN109686803A (en) * | 2018-12-25 | 2019-04-26 | 中国电子科技集团公司第十八研究所 | Solar cell flexible packaging structure for space |
| CN111416010B (en) * | 2020-03-04 | 2021-11-26 | 上海空间电源研究所 | High-voltage protection design structure of solar cell circuit and preparation method thereof |
| CN113193076B (en) * | 2021-04-06 | 2022-02-01 | 深圳市魔方卫星科技有限公司 | Manufacturing process and equipment of satellite solar cell array |
| CN114141907A (en) * | 2021-11-23 | 2022-03-04 | 中国电子科技集团公司第十八研究所 | Sheet distribution method for battery array |
| CN114141893A (en) * | 2021-11-23 | 2022-03-04 | 中国电子科技集团公司第十八研究所 | Trapezoidal solar cell integrated array |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548172A (en) * | 2011-12-19 | 2012-07-04 | 北京卫星环境工程研究所 | Static discharge protective treatment method of satellite solar cell array |
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| US6713670B2 (en) * | 2001-08-17 | 2004-03-30 | Composite Optics, Incorporated | Electrostatically clean solar array |
| EP1675187B8 (en) * | 2004-12-22 | 2016-08-24 | Thales | Coating for prevention of electrostatic discharge within an equipment in a spatial environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102548172A (en) * | 2011-12-19 | 2012-07-04 | 北京卫星环境工程研究所 | Static discharge protective treatment method of satellite solar cell array |
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