CN103400880B - A kind of photovoltaic module and method for packing thereof - Google Patents
A kind of photovoltaic module and method for packing thereof Download PDFInfo
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- CN103400880B CN103400880B CN201110460096.6A CN201110460096A CN103400880B CN 103400880 B CN103400880 B CN 103400880B CN 201110460096 A CN201110460096 A CN 201110460096A CN 103400880 B CN103400880 B CN 103400880B
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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 invention discloses a kind of photovoltaic module and method for packing thereof, described assembly comprises: with the backboard of the battery strings mating shapes be connected in series; Be bonded in the elastic shell on described backboard, described elastic shell is formed in one structure, comprises base plate and sidewall; Be laid on the battery strings on the base plate of described elastic shell; Be laid on the flexible high transparency pad film above described battery strings; Be laid on the substrate above described pad film, the shape of described substrate and the mating shapes of described battery strings; Wherein, the sidewall of described elastic shell is provided with convergent belt outlet; Be provided with bleed-off passage in the base plate of described elastic shell, described bleed-off passage is communicated with the space of described plate upper surface by the multiple gas port be arranged on described base plate; Described base plate is provided with bleeding point, and described bleeding point is communicated with described bleed-off passage; The cell piece gap place of the corresponding described battery strings of described multiple gas port.Described photovoltaic module has higher photoelectric conversion efficiency.
Description
Technical field
The present invention relates to solar cell making process technical field, more particularly, relate to a kind of photovoltaic module and method for packing thereof.
Background technology
Along with day by day highlighting of energy crisis, develop the major subjects that new forms of energy become the research of current energy field.Due to solar energy have pollution-free, without region restriction, the advantage such as inexhaustible, research solar power generation becomes the Main way developing new forms of energy.Solar power generation is divided into photo-thermal power generation and photovoltaic generation.
Photovoltaic generation is a kind of technology utilizing the photovoltaic effect of interface and luminous energy is directly changed into electric energy.The key element of this technology is solar cell, and solar cell carries out packaging protection after series connection can form large-area solar photovoltaic assembly, then coordinates the parts such as upper power controller just to define photovoltaic generating system.Solar photovoltaic assembly is the device due to photovoltaic effect, solar energy being converted into electric energy, can produce photogenerated current when solar irradiation is mapped to photovoltaic module surface.
Lay according to the order of backboard, solid glue-line, battery strings, solid glue-line, substrate when prior art encapsulates solar photovoltaic assembly, with reference to figure 1, Fig. 1 is that in prior art, a kind of common photovoltaic module lays sequential schematic, lay order shown in figure, be respectively glass plate 1 (backboard), solid glue-line 2 (a kind of solid glue-line conventional in prior art is EVA or PVB glue), battery strings 3, solid glue-line 4, glass plate 5 (substrate) from bottom to top.After having laid, put it in laminating machine and carry out vacuumizing process, extract the air in assembly out, then high-temperature heating makes the fusing of solid glue-line battery and substrate be bonded together, and after cooling is fixing, then is processed into the encapsulation of assembly by deburring, frame up etc.
Known by foregoing description, existing photovoltaic component encapsulating technology is fixed battery strings by solid glue-line, and substrate, battery strings and backboard bonding is fixed by solid glue-line after high-temperature heating melting and refreezing knot.But because the dielectric thickness between battery strings and substrate is comparatively large, namely solid gum layer thickness is comparatively large, and the easy weather stain of described solid glue-line, thus cause the photoelectric conversion efficiency of solar photovoltaic assembly lower.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of photovoltaic module and method for packing thereof, the photoelectric conversion efficiency of the photovoltaic module adopting this photovoltaic component encapsulating method to be formed is higher.
For achieving the above object, the invention provides following technical scheme:
A kind of photovoltaic module, described photovoltaic module comprises:
With the backboard of the battery strings mating shapes be connected in series;
Be bonded in the elastic shell on described backboard, described elastic shell is formed in one structure, comprises base plate and sidewall;
Be laid on the battery strings on the base plate of described elastic shell;
Be laid on the flexible high transparency pad film above described battery strings;
Be laid on the substrate above described pad film, the shape of described substrate and the mating shapes of described battery strings;
Wherein, the sidewall of described elastic shell is provided with convergent belt outlet; Be provided with bleed-off passage in the base plate of described elastic shell, described bleed-off passage is communicated with the space of described plate upper surface by the multiple gas port be arranged on described base plate; Described base plate is provided with bleeding point, and described bleeding point is communicated with described bleed-off passage; The cell piece gap place of the corresponding described battery strings of described multiple gas port.
Preferably, in above-mentioned photovoltaic module, described photovoltaic module also comprises: be arranged on the multiple gas expansion chambeies in described bleed-off passage.
Preferably, in above-mentioned photovoltaic module, described multiple gas expansion chamber is corresponding one by one with described multiple gas port.
Preferably, in above-mentioned photovoltaic module, described multiple gas port becomes matrix form to distribute.
Preferably, in above-mentioned photovoltaic module, also comprise: be arranged on the unidirectional air guide valve in described bleeding point.
Preferably, in above-mentioned photovoltaic module, described substrate is glass substrate.
Preferably, in above-mentioned photovoltaic module, described backboard is metal backing.
Present invention also offers a kind of photovoltaic component encapsulating method, the method comprises:
There is provided one with the backboard of the battery strings mating shapes be connected in series;
Described backboard bonds elastic shell, and described housing is formed in one structure, comprises base plate and sidewall; Described sidewall is provided with convergent belt outlet; Be provided with bleed-off passage in described base plate, described bleed-off passage is communicated with the space of described plate upper surface by the multiple gas port be arranged on described base plate; Described base plate is provided with bleeding point, and described bleeding point is communicated with described bleed-off passage; Described multiple gas port;
The base plate of described elastic shell is laid described battery strings, the cell piece gap place of the corresponding described battery strings of the multiple gas ports on the base plate of described elastic shell;
Described battery strings is laid flexible high transparency pad film;
Described pad film is laid the substrate with described battery strings mating shapes;
Carry out vacuumizing process, undertaken vacuumizing process by the bleeding point on described elastic shell base plate, extract the gas between the base plate of described elastic shell and described substrate out, under suction function, space contraction between described base plate and substrate is fixed described battery strings, completes the encapsulation of photovoltaic module.
Preferably, in said method, described in vacuumize and be treated to:
Unidirectional air guide valve is installed in described bleeding point;
Vacuum pump exhaust tube is communicated with described unidirectional air guide valve and bleeds.
Preferably, in said method, vacuumize after process completes and also comprise: be assembly bonding frame.
As can be seen from technique scheme, photovoltaic module provided by the present invention comprises: with the backboard of the battery strings mating shapes be connected in series; Be bonded in the elastic shell on described backboard, described elastic shell is formed in one structure, comprises base plate and sidewall; Be laid on the battery strings on the base plate of described elastic shell; Be laid on the flexible high transparency pad film above described battery strings; Be laid on the substrate above described pad film, the shape of described substrate and the mating shapes of described battery strings; Wherein, the sidewall of described elastic shell is provided with convergent belt outlet; Be provided with bleed-off passage in the base plate of described elastic shell, described bleed-off passage is communicated with the space of described plate upper surface by the multiple gas port be arranged on described base plate; Described base plate is provided with bleeding point, and described bleeding point is communicated with described bleed-off passage; The cell piece gap place of the corresponding described battery strings of described multiple gas port.
It is one deck flexible high transparency pad film between described photovoltaic module battery strings and described substrate, relative to solid gum layer thickness of the prior art, greatly reduce the thickness of medium between substrate and battery strings, thus reduce the absorption of described medium to light, described pad film light transmission is good simultaneously, jaundice not easy to change, can ensure that battery strings receives more luminous energy.Therefore, described photovoltaic module is higher relative to its photoelectric conversion efficiency of existing photovoltaic module.
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.
Fig. 1 is that a kind of photovoltaic module common in prior art lays sequential schematic;
A kind of photovoltaic module structure schematic diagram that Fig. 2 provides for the embodiment of the present invention;
A kind of photovoltaic component encapsulating method flow schematic diagram that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Just as described in the background section, prior art is that the encapsulation utilizing solid glue-line to carry out assembly is fixed when carrying out photovoltaic component encapsulating, each parts in assembly are laid according to order shown in Fig. 1, the assembly laid is put into laminating machine to carry out vacuumizing process, then carrying out high-temperature heating makes solid glue-line melt, and substrate, battery strings and backboard bonding is fixed by solid glue-line after heating again condensation.
Inventor studies discovery, and the solid gum layer thickness between the photovoltaic module battery strings that prior art is produced and substrate is comparatively large, more to incident light energy absorption; The easy weather stain of described solid glue-line, causes its light transmission to be deteriorated simultaneously.When incident intensity is certain, the energy causing battery strings actual received to light reduces by above-mentioned two factors, thus reduces the photoelectric conversion efficiency of photovoltaic module entirety.
For the problems referred to above, the invention provides a kind of photovoltaic module, this assembly comprises:
With the backboard of the battery strings mating shapes be connected in series;
Be bonded in the elastic shell on described backboard, described elastic shell is formed in one structure, comprises base plate and sidewall;
Be laid on the battery strings on the base plate of described elastic shell;
Be laid on the flexible high transparency pad film above described battery strings;
Be laid on the substrate above described pad film, the shape of described substrate and the mating shapes of described battery strings;
Wherein, the sidewall of described elastic shell is provided with convergent belt outlet; Be provided with bleed-off passage in the base plate of described elastic shell, described bleed-off passage is communicated with the space of described plate upper surface by the multiple gas port be arranged on described base plate; Described base plate is provided with bleeding point, and described bleeding point is communicated with described bleed-off passage; The cell piece gap place of the corresponding described battery strings of described multiple gas port.
After process is vacuumized to assembly; each parts encapsulate fixing under negative pressure of vacuum effect; the one deck laid between substrate and battery strings flexible high transparency pad film; for the protection of, self-contained battery string, described flexible high transparency pad film thickness is thinner, and light transmission is excellent; relative to prior art; in incident intensity one timing, the luminous energy that battery strings receives is more, thus improves the photoelectric conversion efficiency of photovoltaic module.
It is more than the core concept of the application, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, 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; the profile of indication device part structure can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.In addition, the three-dimensional space of length, width and height should be comprised in actual fabrication.
Embodiment one:
On the basis of technique scheme, present embodiments provide a kind of photovoltaic module, with reference to figure 2, described photovoltaic module comprises:
With the backboard 6 of battery strings 3 mating shapes be connected in series;
Be bonded in the elastic shell 7 on described backboard 6, described elastic shell 7 is formed in one structure, comprises base plate and sidewall, and the sidewall of described elastic shell is provided with convergent belt outlet 9; Be provided with bleed-off passage 10 in the base plate of described elastic shell 7, described bleed-off passage 10 is communicated with the space of described plate upper surface by the multiple gas ports 11 be arranged on described base plate; Described base plate is provided with bleeding point 13, described bleeding point 13 is communicated with described bleed-off passage 10; The cell piece gap place of the corresponding described battery strings 3 of described multiple gas port 11; In order to ensure intensity and the sealing of photovoltaic module, described elastic shell adopts tartan;
Be laid on the battery strings 3 on the base plate of described elastic shell 7;
Be laid on the flexible high transparency pad film 8 above described battery strings 3, described flexible high transparency pad film 8 is for being fixed battery strings 3, protecting;
Be laid on the substrate 1 above described pad film, the shape of described substrate 1 and the mating shapes of described battery strings 3.
Described assembly is when encapsulating, vacuum pump is adopted to be vacuumized by described bleeding point 13 pairs of assemblies, extract the gas between described base plate and substrate 1 out, under suction function, space contraction between described base plate and substrate 1 is fixed described battery strings 3, described flexible high transparency pad film 8 can be protected described battery strings 3, when preventing the substrate 1 above battery strings 3 to be extruded, damage is caused to battery strings 3, simultaneously, described flexible high transparency pad film 8 has good elasticity, when assembly shrinks fixing under suction function, described flexible high transparency pad film 8 fills up the gap between each cell piece by deformation, each cell piece is fixed, prevent from occurring between cell piece mutually to move.
Wherein, described multiple gas port 11 one-tenth matrix form distribution, symmetrical is distributed on described base plate, can ensure that each several part is bled evenly when assembly carries out vacuumizing encapsulation.
Be provided with multiple gas expansion chamber 12 in described bleed-off passage, preferably, described multiple gas expansion chamber 12 is corresponding one by one with described multiple gas port 11.
Described gas expansion chamber 12 has better elasticity, and corresponding contraction or expansion change self can occur when the temperature is changed.Concrete, after assembly carries out vacuumizing encapsulation, described gas expansion chamber 12 is in certain contraction state, if component environment temperature raises, gas generation thermal expansion in assembly, volume becomes large, now, the gas expanded in absorbent assembly by self in gas expansion chamber 12, keep component internal space size constant, and then the form trait of Assurance component is constant; If component environment temperature reduces, gas volume in assembly is caused to reduce.Now, gas expansion chamber 12 is shunk further by self, discharges a certain amount of gas, keep component internal space size constant, and then the form trait of Assurance component is constant.
When carrying out component package, can a unidirectional air guide valve be set in described bleeding point 13.
Concrete, described substrate 1 is same as the prior art, adopts the glass substrate that light transmission is excellent; Described backboard 6 adopts the metal backing of excellent radiation performance, can by very fast the distributing of heat of assembly generation when carrying out opto-electronic conversion by described metal backing, avoid slowing because heat distributes the assembly opto-electronic conversion caused not in time, thus affect the photoelectric conversion efficiency of assembly.
Below photovoltaic module described in the present embodiment and existing photovoltaic module are compared, by the advantage of photovoltaic module described in comparative illustration the present embodiment.
First, prior art adopts two-layer solid glue-line to encapsulate assembly, and bondline thickness is comparatively large, many to the absorption of light, and solid gum used jaundice easy to change, thus cause the photoelectric conversion efficiency of photovoltaic module to reduce.Only there is between photovoltaic module battery strings and substrate described in the present embodiment one deck flexible high transparency pad film, described pad film thickness is less, and jaundice not easy to change, can ensure that battery strings receives more sunlight, and then can ensure that photovoltaic module has higher photoelectric conversion efficiency.And relative to the use of two-layer solid glue-line, photovoltaic module of the present invention only needs one deck flexible high transparency pad film, reduces production cost.
Secondly, the photovoltaic module of prior art is, by solid gum, backboard, battery strings and substrate are fixed as an overall structure, and one-step building completes encapsulation.Reparation for defective component brings very large difficulty.And for the assembly scrapped after using, decompose because prior art does not have comparatively effective method to encapsulate solid gum used to package assembling, so cannot recycle scrapping assembly, and put assembly aside as useless and will pollute the environment.Described bleed-off passage only need be in communication with the outside by photovoltaic module of the present invention, make gas pressure intensity in assembly return back to normal pressure assembly to be split, so that reparation to assembly, and be convenient to the recycling of discarded assembly, reduce the pollution of discarded assembly to environment.
Known by foregoing description, described in the present embodiment, photovoltaic module photoelectric conversion efficiency is high, and production cost is lower, and is convenient to reprocessing and the recycling of discarded assembly of assembly.
Embodiment two
Present embodiments provide a kind of method for packing of photovoltaic module, with reference to figure 3, described method comprises:
Step S1: provide one with the backboard of the battery strings mating shapes be connected in series.
The shape of described backboard is determined by the shape of described battery strings, when described battery strings is square, described backboard is corresponding square, when described battery strings is circular, described backboard is corresponding circle, namely according to the backboard of the profile design corresponding construction of described battery strings.
In order to accelerate the radiating rate of photovoltaic module, described backboard adopts metal backing, metal material excellent radiation performance, faster the heat of photovoltaic module generation when carrying out opto-electronic conversion can be distributed, avoid, because temperature raises the reduction causing solar battery sheet photoelectric conversion efficiency, ensure that the photoelectric conversion efficiency of photovoltaic module.
Meanwhile, metal backing is adopted can to increase the mechanical strength of photovoltaic module.
Step S2: bond elastic shell on described backboard.
Described elastic shell is formed in one structure, comprises base plate and sidewall; Described sidewall is provided with convergent belt outlet, and the aperture of described convergent belt outlet is much smaller than described convergent belt diameter.
Bleed-off passage is provided with in described base plate, described bleed-off passage is communicated with the space of described plate upper surface by the multiple gas port be arranged on described base plate, described multiple gas port correspondence lays the gap place of cell piece after battery strings on base plate, and described multiple gas port becomes matrix form to be symmetrically distributed on described base plate.
Described base plate is provided with bleeding point, and described bleeding point is communicated with described bleed-off passage, for carrying out air suction process to component internal space.
In order to avoid causing the change of the shape of assembly due to variation of ambient temperature, can multiple gas expansion chamber be set in described bleed-off passage, by the expansion in described gas expansion chamber or shrink gas pressure intensity in adjusting part.
It should be noted that, the convergent belt of described battery strings runs through the outlet of described convergent belt and is in communication with the outside, because described elastic shell has good retractility, so elastic stretch can occur in described convergent belt outlet, described convergent belt is in communication with the outside by described convergent belt outlet, after convergent belt is by described convergent belt outlet, the sidewall in convergent belt and convergent belt exit is due to the elastic shrinkage close contact of elastic shell, and air-tightness is good.
Step S3: lay described battery strings on the base plate of described elastic shell.
The battery strings be connected in series is laid on bottom described elastic shell, as mentioned above, the cell piece gap place of the corresponding described battery strings of described multiple gas port.
Step S4: lay flexible high transparency pad film in described battery strings.
Described flexible high transparency pad film is synthesis high molecular film material, and long service life, jaundice not easy to change, thickness is less, has good elasticity.
Step S5: lay the substrate with described battery strings mating shapes on described pad film.
Preferably, the glass substrate that described substrate selects light transmission excellent, to ensure the photoelectric conversion efficiency of photovoltaic module.
Equally, according to the backboard of the profile design corresponding construction of described battery strings.
Meanwhile, in order to ensure air-tightness, the length of described substrate and be widely larger than described elastic shell horizontal cross-section.
Step S6: carry out vacuumizing process.
Undertaken vacuumizing process by the bleeding point on described elastic shell base plate, extract the gas between the base plate of described elastic shell and described substrate out, under suction function, the space contraction between described base plate and substrate is fixed described battery strings, completes the encapsulation of photovoltaic module.
Concrete, described in vacuumize and be treated to: unidirectional air guide valve is installed in described bleeding point;
Vacuum pump exhaust tube is communicated with described unidirectional air guide valve and bleeds.
Directly can be vacuumized assembly by described bleeding point when carrying out vacuumizing process, by means such as fluid sealants, bleeding point being sealed afterwards.But carry out defective component reprocess or discard assembly recycle time comparatively difficult to the fractionation of assembly.The present embodiment preferably uses unidirectional air guide valve to vacuumize the sealing of process and bleeding point to assembly.Described unidirectional air guide valve only allows gas to flow through from a direction, and namely gas can only be drawn out of from component internal, and does not flow back to component internal by described unidirectional air guide valve.And the dismounting of described unidirectional air guide valve is comparatively easy.
Described elastic shell adopts tartan, has again good elasticity, after each parts have been laid, can have absolute air-tightness by Assurance component while its intensity of guarantee.So can be bled process to assembly by vacuum pump, extract the gas in space between substrate and base plate in assembly out, make to form draught head between described space and external atmosphere pressure, under the effect of atmospheric pressure, described substrate extrudes downwards, compress described flexible high transparency pad film, described flexible high transparency pad film in the vertical direction avoids substrate directly to extrude cell piece, protects battery strings; Filled the gap of the cell piece of battery strings in the horizontal direction by elastic deformation, avoid cell piece to move in the horizontal direction.
Vacuumize after process completes, assembly framed up process, namely by binding agent at assembly surrounding binding metal frame, further packaging protection is carried out to assembly.
Below the method for packing of photovoltaic component encapsulating method and existing photovoltaic module described in the present embodiment is compared, by the advantage of photovoltaic component encapsulating method described in comparative illustration the present embodiment.
First, existing photovoltaic component encapsulating method needs when carrying out component package to carry out vacuumizing and high-temperature heating treatment, wherein to make it melt energy consumption higher for high-temperature heating solid gum, add production cost, simultaneously solid gum fusing and add production cycle of photovoltaic component encapsulating cooling time, thus cause operating efficiency lower; And photovoltaic component encapsulating method of the present invention only need carry out vacuumizing processing, reduce energy consumption relative to prior art, thus reduce production cost, meanwhile, shorten the production cycle, improve production efficiency.
Secondly, prior art solid gum when carrying out component package has mobility when being molten into liquid glue, causes the movement of battery strings, can cause the change of battery strings shape, even makes cell piece contact and short circuit; The method of the invention carries out encapsulation by negative pressure of vacuum to assembly to fix, and when encapsulating, cell piece can not be moved, and ensure that the quality of photovoltaic module.
And prior art is when carrying out high-temperature heating solid gum, and solid gum is easily evaporated to gas, contaminated environment; The whole process of photovoltaic component encapsulating method of the present invention only relates to the change of physically pressure, and do not relate to chemical change, production process is environment friendly and pollution-free.
Known by foregoing description, photovoltaic component encapsulating method described in the present embodiment, energy consumption is low, reduces production cost; Can ensure that when encapsulating cell piece is not moved, and ensure that the product quality of assembly; Meanwhile, production process environmental protection, pollution-free.
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 (10)
1. a photovoltaic module, is characterized in that, comprising:
With the backboard of the battery strings mating shapes be connected in series;
Be bonded in the elastic shell on described backboard, described elastic shell is formed in one structure, comprises base plate and sidewall;
Be laid on the battery strings on the base plate of described elastic shell;
Be laid on the flexible high transparency pad film above described battery strings;
Be laid on the substrate above described pad film, the shape of described substrate and the mating shapes of described battery strings;
Wherein, the sidewall of described elastic shell is provided with convergent belt outlet; Be provided with bleed-off passage in the base plate of described elastic shell, described bleed-off passage is communicated with the space of described plate upper surface by the multiple gas port be arranged on described base plate; Described base plate is provided with bleeding point, and described bleeding point is communicated with described bleed-off passage; The cell piece gap place of the corresponding described battery strings of described multiple gas port.
2. photovoltaic module according to claim 1, is characterized in that, described photovoltaic module also comprises: be arranged on the multiple gas expansion chambeies in described bleed-off passage.
3. photovoltaic module according to claim 2, is characterized in that, described multiple gas expansion chamber is corresponding one by one with described multiple gas port.
4. photovoltaic module according to claim 1, is characterized in that, described multiple gas port becomes matrix form to distribute.
5. photovoltaic module according to claim 1, is characterized in that, also comprises: be arranged on the unidirectional air guide valve in described bleeding point.
6. photovoltaic module according to claim 1, is characterized in that, described substrate is glass substrate.
7. photovoltaic module according to claim 1, is characterized in that, described backboard is metal backing.
8. a photovoltaic component encapsulating method, is characterized in that, comprising:
There is provided one with the backboard of the battery strings mating shapes be connected in series;
Described backboard bonds elastic shell, and described housing is formed in one structure, comprises base plate and sidewall; Described sidewall is provided with convergent belt outlet; Be provided with bleed-off passage in described base plate, described bleed-off passage is communicated with the space of described plate upper surface by the multiple gas port be arranged on described base plate; Described base plate is provided with bleeding point, and described bleeding point is communicated with described bleed-off passage; Described multiple gas port;
The base plate of described elastic shell is laid described battery strings, the cell piece gap place of the corresponding described battery strings of the multiple gas ports on the base plate of described elastic shell;
Described battery strings is laid flexible high transparency pad film;
Described pad film is laid the substrate with described battery strings mating shapes;
Carry out vacuumizing process, undertaken vacuumizing process by the bleeding point on described elastic shell base plate, extract the gas between the base plate of described elastic shell and described substrate out, under suction function, space contraction between described base plate and substrate is fixed described battery strings, completes the encapsulation of photovoltaic module.
9. method according to claim 8, is characterized in that, described in vacuumize and be treated to:
Unidirectional air guide valve is installed in described bleeding point;
Vacuum pump exhaust tube is communicated with described unidirectional air guide valve and bleeds.
10. method according to claim 8, is characterized in that, vacuumizes after process completes and also comprises: be assembly bonding frame.
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| US11791763B1 (en) * | 2023-03-22 | 2023-10-17 | Zev Laine | Renewable energy generating cladding |
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| US20080128018A1 (en) * | 2006-12-04 | 2008-06-05 | Richard Allen Hayes | Solar cells which include the use of certain poly(vinyl butyral)/film bilayer encapsulant layers with a low blocking tendency and a simplified process to produce thereof |
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| CN1809933A (en) * | 2003-04-16 | 2006-07-26 | 阿波朗.索拉尔公司 | Photovoltaic module and production method thereof |
| CN101887926A (en) * | 2009-05-14 | 2010-11-17 | 安吉申科太阳能设备制造有限公司 | Vacuum chamber structure suitable for solar cell laminator |
| WO2011158147A1 (en) * | 2010-06-17 | 2011-12-22 | 3S Swiss Solar Systems Ag | System and method for laminating pv device |
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| US11791763B1 (en) * | 2023-03-22 | 2023-10-17 | Zev Laine | Renewable energy generating cladding |
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| CN103400880A (en) | 2013-11-20 |
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