CN206697496U - The solar cell chunk of flexible package in a kind of solar energy unmanned plane - Google Patents
The solar cell chunk of flexible package in a kind of solar energy unmanned plane Download PDFInfo
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- CN206697496U CN206697496U CN201621349834.4U CN201621349834U CN206697496U CN 206697496 U CN206697496 U CN 206697496U CN 201621349834 U CN201621349834 U CN 201621349834U CN 206697496 U CN206697496 U CN 206697496U
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- solar
- unmanned plane
- battery sheet
- energy unmanned
- solar 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
- 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 utility model discloses a kind of solar cell chunk of flexible package in solar energy unmanned plane.Mainly by stack successively from top to bottom surface encapsulation film, solar battery sheet, electrode wires layer, epoxy glue layer, five layers of fiberglass cloth form, electrode wires layer is close to solar battery sheet lower surface and forms one, glass fabric is close to be pressed together on Solar panel backside by epoxide-resin glue, and surface encapsulation film is attached to solar battery sheet upper surface.The utility model can meet solar energy unmanned plane in composite request of both battery conversion efficiency and unit area battery specific power, and can effectively solve rigid solar array and combine problem with the effective of aircraft wing curved surface, and loss of the solar energy unmanned plane in terms of construction weight can be effectively reduced, and then improve the load-carrying ability of solar energy unmanned plane.
Description
Technical field
Solar energy unmanned plane research field is the utility model is related to, more particularly to flexible in a kind of solar energy unmanned plane
The solar cell chunk of encapsulation.
Background technology
The energy and environmental crisis are the severe challenges of face of mankind nowadays.Solar energy is regenerative resource, is inexhaustible
Energy resources, how effectively to develop and utilize the attention that these resources are then increasingly subject to global range.Solar cell piece
The scientific development and technological progress in experience century more than one are prepared, the species of solar cell is also more and more, is passed from calculator
System Solar lamp, solar charger, to photo-voltaic power generation station, BIPV, distributed roof electricity generation system etc., each
Individual field is widely used.For single solar battery sheet often because output voltage is too low, output current is improper, brilliant
Body silicon solar cell is in itself and more crisp, it is impossible to independently resists extraneous mal-condition, thus needs handle in actual use
Monomer solar battery sheet carries out connection in series-parallel, and is encapsulated, and picks out outer line, turn into independently to use as photo-voltaic power supply
Solar battery sheet group.The luminous energy of the sun is directly changed needed for user by solar battery sheet component by absorbing sunlight
Electric energy exports.
The defects of prior art and deficiency：
It is 1. most easy with glass-encapsulated, fragility using solar battery sheet in being applied in general market
Damage can not meet simultaneously it is light, thin, can curved surface using installation etc. require.
2. most of flexible solar battery packs, the problems such as conversion efficiency is low or production is poor be present.
3. solar battery sheet exposure is oxidizable in atmosphere, it is vulnerable to pollution in use, service life is short；
Utility model content
In order to solve problem present in background technology, the purpose of this utility model is to provide a kind of solar energy unmanned plane
The solar cell chunk of middle flexible package.
The solar cell chunk that the utility model prepares is installed on solar energy unmanned plane wing, can meet the sun
Energy unmanned plane can effectively solve rigidity too in composite request of both battery conversion efficiency and unit area battery specific power
Positive energy cell array effectively combines problem with aircraft wing curved surface, can effectively reduce solar energy unmanned plane in terms of construction weight
Loss, and then improve the load-carrying ability of solar energy unmanned plane.
The technical solution adopted in the utility model is：
The utility model includes solar battery sheet and is close to the fibre reinforced materials in solar cell back face, fine
Dimension reinforcing material is pressed together on Solar panel backside by epoxide-resin glue.
The utility model encapsulates skill based on efficient rigid solar battery sheet by flexible thin-film solar cell
The draw reasonable of art and improvement, using single-layer glass fiber cloth material, it is equipped with EL2 epoxide-resin glues and enters rigid solar cell
The flexible modularized encapsulation of row, forms hard and soft integral solar cell chunk.
Specifically main surface encapsulation film, solar battery sheet, electrode wires layer, the asphalt mixtures modified by epoxy resin by stacking successively from top to bottom
Five layers of composition of fat glue-line, fiberglass cloth, electrode wires layer is close to solar battery sheet lower surface and forms one, with glass
Fiber cloth as fibre reinforced materials, be close to be pressed together on Solar panel backside by epoxide-resin glue by glass fabric.
The fibre reinforced materials is woven into cloth using the fibrous insulation of aramid fiber or nylon yarn.
Described surface encapsulation film is high ultralight diaphragm thoroughly, high to refer to transparency thoroughly optionally greater than 90%, ultralight to refer to
Every square metre of quality of individual layer of film is less than or equal to 20 grams.
The solar battery sheet of specific implementation uses rigid solar battery sheet.
Solar cell chunk of the present utility model is installed on solar energy unmanned plane wing.
Surface encapsulation film of the present utility model is mainly used in positioned at the upper surface of hard and soft integral solar module, full
Enough play a part of to protect solar battery sheet in the case of light transmittance fully.Electrode wires layer is mainly used in exporting solar battery sheet
Caused electric energy is output end for connecting solar battery sheet and is drawn as the defeated of solar cell chunk of the present invention
Go out end.Epoxy glue layer is filled among the gap of solar battery sheet and cloth of reinforcement fibers.
The utility model glass fabric refer to it is fiberglass braided into cloth, glass fabric is located at the hard and soft integral sun
The lower surface of energy battery module, while solar battery sheet flexible package is met, plays a part of certain structural support；Glass
Glass fiber cloth is combined into one by epoxide-resin glue and solar battery sheet, increases its toughness, makes it have monolithic battery piece
45 ° bend and chip-proof ability.
Advantage and beneficial effect of the present utility model are：
The utility model prepares that battery pack block pliability is good, and mass density is small, and cost is low, can very well be applied to
Solar energy unmanned plane, being attached on wing can meet solar energy unmanned plane in battery conversion efficiency and unit area battery specific power
Both sides composite request, and can effectively solve rigid solar array and combine problem, energy with the effective of aircraft wing curved surface
Loss of the solar energy unmanned plane in terms of construction weight is effectively reduced, and then improves the load-carrying ability of solar energy unmanned plane.
Brief description of the drawings
Fig. 1 is the structural representation of material needed for the utility model preparation process；
Fig. 2 is the structural representation that the utility model obtains solar cell chunk.
In figure：1. the first PET polyester films；2. solar battery sheet；3. electrode wires layer；4. epoxide-resin glue；5. glass
Fiber cloth；6. the 2nd PET polyester films；7. surface encapsulation film.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings
Embodiment of the present utility model and its implementation preparation process are as follows：
The solar cell chunk of embodiment is surface encapsulation film 7, the solar battery sheet by stacking successively from top to bottom
8th, five layers of composition of electrode wires layer 3, epoxy glue layer 4, glass fabric 5, as shown in Fig. 2 being used as fibre using glass fabric 5
Reinforcing material is tieed up, electrode wires layer is close to solar battery sheet lower surface and forms entirety.
Used in the present embodiment of solar battery sheet 2 conversion efficiency for 21.8% the USA space station SUNPOWER sun
Can single crystal battery piece.Electrode wires layer 3 is welded in the main gate line of the lower surface of high performance solar batteries piece 2, plays the work of output electric energy
With the present embodiment is using the silver-plated fine aluminium annealed.Epoxy glue layer 4 is filled in the lower surface of solar battery sheet 2 and glass fibers
Among the hole for tieing up cloth 5, using EL2 epoxide-resin glues.Glass fabric 5 is located at the following table of hard and soft integral solar module
Face, while solar battery sheet flexible package is met, play a part of structural support.Surface encapsulation film 7 is located at this practicality
The outer surface of novel battery component, the present embodiment use light transmittance as the ultralight saturating covering of height of 95% pyrocondensation, can meet enough
Play a part of to protect solar battery sheet 2 in the case of light transmittance, prevent the physical damage of solar battery sheet 2 and chemical oxidation.
The solar cell chunk of five layers of the utility model in manufacturing process first by stack successively from top to bottom first
Pet polyester films, solar battery sheet, electrode wires layer, epoxy glue layer, glass fabric, the six of the 2nd pet polyester films
Layer material is formed, then the first pet polyester films and the 2nd pet polyester films are torn off, and surface encapsulation film is attached into solar-electricity
Pond piece surface.
1) materials procurement, inspection, ensure that selected materials meet that requirement and technological forming requirement, especially environment are fitted
Answering property requires；
2) welding of battery film：In toilet, by solar battery sheet electrode welding, monolithic welding is first carried out, then carry out
Multi-disc series welding so that the electrode on solar battery sheet is in series connection, forms multi-disc solar battery sheet and forms one piece of sun
Energy cell panel, and electrode wires layer is attached to its lower surface；Described monolithic welding and multi-disc series welding preheat in surface band is
Carried out in the concatenation template of system, solar battery sheet is fixed on plate and contacted with the plate with preheating temperature before welding, can
To ensure solar battery sheet deformation as small as possible, so as to reduce fragment rate.
Cell piece is positioned in template and postponed, and takes 15mm or so short welding, is welded in the weldering of adjacent two pieces of cell pieces
Between point, as the concatenation between piece；Meanwhile among cell piece, between three concatenation weldings, a busbar is also welded with, improves string
The reliability of link.
3) cut and cleared up：By the first pet polyester films 1, surface encapsulation film 7, the 2nd pet polyester films 6 and glass
Glass fiber cloth 5 is cut out according to the area of solar panel, and cutting the first pet by component specification with special cutter gathers
Ester film, surface encapsulation film, the 2nd pet polyester films and glass fabric, surrounding leave 5~10mm allowance, then
The pretreatment that first pet polyester films and the 2nd pet polyester films are cleaned and waxed so that the first pet polyester films
Lower surface and the 2nd pet polyester films upper surface foreign and impurity and handled through waxing；
4) the 2nd pet polyester films are layered on clean smooth desktop, the upper table that it pre-process is face-up, will
The glass fabric expansion cut out is covered on the 2nd pet polyester films；
5) epoxide-resin glue is prepared, using EL2 epoxide-resin glues, the mass ratio of resin and curing agent is 10:3, embodiment
Curing agent use rapidity amine curing agent, the mass ratio of EL2 epoxide-resin glues and glass fabric is 1:1, by asphalt mixtures modified by epoxy resin
Fat glue is equably applied on glass fabric, and epoxide-resin glue penetrates glass fabric to lower surface by upper surface so that
Glass fabric bonds completely with the 2nd pet polyester films；
6) motor lines of the battery sheet welded and its lower attaching are placed on the glass fabric for coating glue, then will
First pet polyester films are layered in battery sheet, following table down and with the upper surface of solar panel；
7) by above-mentioned steps by the first pet polyester films and the 2nd pet polyester films after Stacking steps are completed, with saturating
Gelatin band is fixed temporarily, prevents the first pet polyester films and the 2nd pet polyester films from relatively moving；
8) as shown in figure 1, semi-finished product made of step 6 are put into the vacuum bag of sealing with locating template, 0.8~1
Vacuumize and solidified under atmospheric pressure, solidification temperature and time are adapted with epoxide-resin glue, are -0.09Mpa in vacuum pressure
Under conditions of, 65 DEG C of solidification temperature is heated to from normal temperature, stands 12 hours.
9) taken out from vacuum bag, must now ensure that epoxide-resin glue is cured, form hard and soft integral solar-electricity
Pond module, processing clout unnecessary around battery module is trimmed, tear the first pet polyester films and the 2nd pet polyester films off, so
Surface encapsulation film is spread into solar panel upper surface afterwards placed into vacuum bag and flatten, vacuumizing the processing solidified is
Under conditions of vacuum pressure is -0.09Mpa, 105 DEG C of package temperature is heated to from normal temperature, 1 hour is stood, in this technique bar
The heat-sensitive glue at the part lower surface encapsulating film back side has viscosity, and cell piece surface can be tightly attached in the presence of external pressure.)
Solar cell chunk is obtained after taking-up, it is final as shown in Fig. 2 completing the encapsulation of hard and soft integral solar cell chunk.
The present embodiment can effectively solve rigid solar battery array while keeping solar array efficiently to export
Effective with solar energy Unmanned Aerial Vehicle Airfoil curved surface combines problem, because after encapsulation process, monoblock battery piece can be with 45 ° of bendings
Without broken, the current relatively advanced CIGS thin film surface density for battery sheet packaging is 1700g/m2, and use this encapsulation work
The surface density of skill photovoltaic module is only 545g/m2, its thickness is only 0.2mm, power output be 100W photovoltaic module weight only
It is the 1/6 of conventional package technique solar panel for 270G, thus can is the lighting design and load of solar energy unmanned plane
The raising of ability provides technical support.
In manufacturing cost, this packaging technology material requested, which takes, is no more than 100 yuan/m2, extras demand is few；It is and traditional
EVA, PET are the technique of substrate encapsulation, and fee of material is in 150 yuan/m2More than, and encapsulation process is, it is necessary to special vacuum laminator
Hot pressing, further increase its cost.
The utility model can effectively solve rigid solar array while keeping solar array efficiently to export
Row effectively combine problem with solar energy Unmanned Aerial Vehicle Airfoil curved surface, the current relatively advanced CIGS thin film face for battery sheet packaging
Density is 1700g/m2, and the surface density of this packaging technology photovoltaic module is 545g/m2, its thickness is only 0.2mm, output
Power is that 100W cell panel weight is only 270G, is the 1/6 of conventional package technique solar panel, thus can be solar energy
The lighting design of unmanned plane and the raising of load-carrying ability provide technical support.
Surface encapsulation film of the present utility model has the advantages that amphicheirality's shrinkage factor is big, and heat resistance is high, and cream performance is good,
Light transmittance is up to 95%, and every square metre of 13-17g, thickness is 10~15 microns, and the back side scribbles thin layer heat-sensitive glue, in certain temperature bar
Under part, there is viscosity, can be bonded together with solar battery sheet, prevent oxidation and the protection battery of solar battery sheet
Piece.Because it has a hot shortness, under certain temperature, Material shrinkage, make cell piece surface more smooth；Again because of thickness of thin, cell piece
Equivalent to the air contact with flowing, in flight course, the air flow on surface, heat is taken away, active heat removal, improves battery
The conversion efficiency of piece.
As can be seen here, the utility model can effectively solve the problem that rigid solar battery array is bent with solar energy Unmanned Aerial Vehicle Airfoil
Face effectively combines problem, realizes lighting and improves load-carrying ability, and high conversion efficiency, and cost is low, and it is prominent to reach it
Go out significant technique effect.
Claims (3)
- A kind of 1. solar cell chunk of flexible package in solar energy unmanned plane, it is characterised in that：Mainly by from top to bottom according to The secondary surface encapsulation film stacked, solar battery sheet, electrode wires layer, epoxy glue layer, five layers of composition of fiberglass cloth, Electrode wires layer is close to solar battery sheet lower surface and forms one, and glass fabric is close to be pressed together on too by epoxide-resin glue Positive energy panel backside, surface encapsulation film are attached to solar battery sheet upper surface.
- 2. the solar cell chunk of flexible package, its feature exist in a kind of solar energy unmanned plane according to claim 1 In：The fibre reinforced materials is woven into cloth using the fibrous insulation of aramid fiber or nylon yarn.
- 3. the solar cell chunk of flexible package, its feature exist in a kind of solar energy unmanned plane according to claim 1 In：The surface encapsulation film uses hyaline membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621349834.4U CN206697496U (en) | 2016-12-09 | 2016-12-09 | The solar cell chunk of flexible package in a kind of solar energy unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621349834.4U CN206697496U (en) | 2016-12-09 | 2016-12-09 | The solar cell chunk of flexible package in a kind of solar energy unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206697496U true CN206697496U (en) | 2017-12-01 |
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ID=60440006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621349834.4U Active CN206697496U (en) | 2016-12-09 | 2016-12-09 | The solar cell chunk of flexible package in a kind of solar energy unmanned plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206697496U (en) |
-
2016
- 2016-12-09 CN CN201621349834.4U patent/CN206697496U/en active Active
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