CN107833936A - Generating electricity on two sides photovoltaic module - Google Patents
Generating electricity on two sides photovoltaic module Download PDFInfo
- Publication number
- CN107833936A CN107833936A CN201711025533.5A CN201711025533A CN107833936A CN 107833936 A CN107833936 A CN 107833936A CN 201711025533 A CN201711025533 A CN 201711025533A CN 107833936 A CN107833936 A CN 107833936A
- Authority
- CN
- China
- Prior art keywords
- generating electricity
- sides
- safety glass
- cell piece
- back side
- Prior art date
- 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.)
- Pending
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 72
- 239000005336 safety glass Substances 0.000 claims abstract description 42
- 229910000679 solder Inorganic materials 0.000 claims abstract description 23
- 238000007747 plating Methods 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 16
- 238000005286 illumination Methods 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 108010025899 gelatin film Proteins 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/04—Semiconductor 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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/02168—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells the coatings being antireflective or having enhancing optical properties for the solar cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/04—Semiconductor 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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- 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 provides a kind of generating electricity on two sides photovoltaic module, belong to field of photovoltaic power generation, including multi-disc generating electricity on two sides cell piece, welding is welded with generating electricity on two sides cell piece, it is packaged by front safety glass and back side safety glass, welding is concavo-convex two-sided reflective solder strip, the male and fomale(M＆F) and generating electricity on two sides welding of battery film of concavo-convex two-sided reflective solder strip side, the male and fomale(M＆F) of opposite side is used to receive and reflect luminous energy, white plating glaze part is provided with the safety glass of the back side, white plating glaze part is located at the non-battery piece position of back side safety glass, illumination is after front safety glass and back side safety glass incidence, reflexed to by white plating glaze part and concavo-convex two-sided reflective solder strip on generating electricity on two sides cell piece.By the present invention in that plate glaze back side safety glass and concavo-convex double-side welding with white, no matter the front or the back side of component, the incident ray of different angle can be more reflexed on cell piece by light multiple reflections to cell piece, and then the generated energy of lifting assembly.
Description
Technical field
The invention belongs to technical field of photovoltaic power generation, is to be related to a kind of generating electricity on two sides photovoltaic module more specifically.
Background technology
Generating electricity on two sides photovoltaic module：Generating electricity on two sides cell piece can be turned luminous energy by the connected mode of serial or parallel connection
The device of electric energy is turned to, is typically packaged by positive back side safety glass by transparent enclosure glued membrane.
Mainly based on crystal silicon component, main flow component is one side electrification component, passes through EVA, backboard, side in photovoltaic module market
Frame is packaged, and in the market gradually rises solar double-glass assemblies recently, and solar double-glass assemblies are divided into one side generating solar double-glass assemblies, and (such as p-type is more
Brilliant, p-type mono-crystal component) and generating electricity on two sides solar double-glass assemblies (N-type mono-crystal component), and there is generating electricity on two sides component the positive back side can send out
The function of electricity, is mainly mapped to module backside, so as to improve the generated energy effect of photovoltaic module, no by the illumination of ground return
Same reflecting background lifting photovoltaic module generating gain is different, generally 10%-30%.The positive back side of generating electricity on two sides component passes through saturating
Gelatin film is packaged, and can so cause the light of front illuminated to pass through photovoltaic module by non-battery position, the light of this part is not
It can be utilized；On the other hand, welding blocks battery plate illumination, causes the waste of illumination resource, therefore generating electricity on two sides light
The more conventional white backboard photovoltaic component encapsulating loss of front generating encapsulation loss for lying prostrate component is high by about 2% or so.
And the no unified standard of test of generating electricity on two sides component in the market, tested using the front of general components
Power is sold, therefore how to be reduced generating electricity on two sides photovoltaic component encapsulating and lost and ensure the characteristic of generating electricity on two sides have very much must
Will.
The content of the invention
It is an object of the invention to provide a kind of generating electricity on two sides photovoltaic module, to solve how to carry present in prior art
The light energy absorption rate of high generating electricity on two sides cell piece, increase the technical problem of the generated energy of generating electricity on two sides photovoltaic module.
To achieve the above object, the technical solution adopted by the present invention is：A kind of generating electricity on two sides photovoltaic module is provided, including：
Including multi-disc generating electricity on two sides cell piece, welding is welded with the generating electricity on two sides cell piece, passes through front safety glass and the back side
Safety glass is packaged, and the welding is concavo-convex two-sided reflective solder strip, the male and fomale(M＆F) of the two-sided reflective solder strip side of bumps
With the generating electricity on two sides welding of battery film, the male and fomale(M＆F) of opposite side is used to receive and reflect luminous energy, on the back side safety glass
Be provided with white plating glaze part, the white plating glaze part is located at the non-battery piece position of the back side safety glass, illumination from
After the front safety glass and back side safety glass incidence, glaze part and the two-sided reflective weldering of the bumps are plated by the white
Band is reflexed on the generating electricity on two sides cell piece.
Further, the multi-disc generating electricity on two sides cell piece by encapsulating material be encapsulated in the front safety glass and
Between the safety glass of the back side, the encapsulating material is backing transparent polyolefin.
Further, the generating electricity on two sides cell piece is N-type generating electricity on two sides cell piece.
Further, the male and fomale(M＆F) of the two-sided reflective solder strip of bumps is into sawtooth pattern.
Further, the Split type connecting box for the output of component electric energy is provided with the outside of the back side safety glass.
The beneficial effect of generating electricity on two sides photovoltaic module provided by the invention is：
Compared with prior art, generating electricity on two sides photovoltaic module of the present invention, using generating electricity on two sides cell piece, front tempering is passed through
Glass and back side safety glass are packaged, and ensure that photovoltaic module has the function of generating electricity on two sides, while overleaf safety glass
White plating glaze is carried out for non-battery piece position so that light can not pass through photovoltaic module, but by reflexing to generating electricity on two sides electricity
Utilized on the piece of pond so that generated energy obtains considerable lifting.Using concavo-convex two-sided reflective solder strip, compared to the weldering of prior art
Band blocks battery plate illumination, and illumination is utilized by concavo-convex two-sided reflecting back into for reflective solder strip on generating electricity on two sides cell piece,
So that generated energy further gets a promotion.
I.e. light can play key reflections by reflective solder strip, back glass white plating glaze part, and glass, battery rise secondary
Reflex is wanted, is arranged in pairs or groups by the reflection of several different situations, the luminous energy for more shining directly into area of cell is also utilized
Come, can lift the luminous energy of cell piece absorption, and then more increase the generated energy of two-sided photovoltaic module.
In summary, generating electricity on two sides photovoltaic module provided by the invention, by using white plating glaze back side safety glass and
Concavo-convex double-side welding, can be by light multiple reflections to cell piece no matter the front or the back side of component, can will not
Incident ray with angle is more reflexed on cell piece, and then the generated energy of lifting assembly.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the modular construction and ray plot of generating electricity on two sides photovoltaic module provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the back glass of generating electricity on two sides photovoltaic module provided in an embodiment of the present invention.
Wherein, each reference in figure：
1- generating electricity on two sides cell pieces；2- fronts safety glass；3- back sides safety glass；The concavo-convex two-sided reflective solder strips of 4-；5-
White plating glaze part；6- encapsulating materials；7- Split type connecting boxes.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
Referring to Fig. 1, existing illustrate to generating electricity on two sides photovoltaic module provided by the invention.The generating electricity on two sides photovoltaic group
Part, including multi-disc generating electricity on two sides cell piece 1, welding is welded with generating electricity on two sides cell piece 1, pass through front safety glass 2 and the back of the body
Face safety glass 3 is packaged, and welding is concavo-convex two-sided reflective solder strip 4, the male and fomale(M＆F) of the concavo-convex two-sided side of reflective solder strip 4 with it is double
Face generating battery piece 1 welds, and the male and fomale(M＆F) of opposite side is used to receive and reflect luminous energy, and white is provided with back side safety glass 3
Plate glaze part 5, white plating glaze part 5 is located at the non-battery piece position of back side safety glass 3, as shown by the arrows in Figure 1, illumination from
After front safety glass 2 and the incidence of back side safety glass 3, reflexed to by white plating glaze part 5 and concavo-convex two-sided reflective solder strip 4
On generating electricity on two sides cell piece 1.
Compared with prior art, generating electricity on two sides photovoltaic module of the present invention, using generating electricity on two sides cell piece 1, front steel is passed through
Change glass 2 and back side safety glass 3 is packaged, ensure that photovoltaic module has the function of generating electricity on two sides, while overleaf tempering
Glass 3 is that non-battery piece position carries out white plating glaze so that light can not pass through photovoltaic module, but by reflexing to two-sided hair
Utilized on electric cell piece 1 so that generated energy obtains considerable lifting.Using concavo-convex two-sided reflective solder strip 4, compared to existing skill
The welding of art blocks battery plate illumination, and illumination is obtained by reflecting back into for concavo-convex two-sided reflective solder strip 4 on generating electricity on two sides cell piece 1
To utilize so that generated energy further gets a promotion.
I.e. light can play key reflections by reflective solder strip, back glass white plating glaze part 5, and glass, battery rise
Secondary reflex, arranged in pairs or groups by the reflection of several different situations, the luminous energy for more shining directly into area of cell is also utilized
Get up, can lift the luminous energy of cell piece absorption, and then more increase the generated energy of two-sided photovoltaic module.
In summary, generating electricity on two sides photovoltaic module provided by the invention, by using the He of white plating glaze back side safety glass 3
Concavo-convex double-side welding, can be by light multiple reflections to cell piece no matter the front or the back side of component, can will not
Incident ray with angle is more reflexed on cell piece, and then the generated energy of lifting assembly.
Referring to Fig. 1, in the present invention, white plating glaze part 5 is located at the non-battery piece position of back side safety glass 3, wherein,
Non-battery piece position include cell piece between, between battery strings and edge.
Further, referring to Fig. 1, a kind of specific embodiment party as generating electricity on two sides photovoltaic module provided by the invention
Formula, generating electricity on two sides cell piece 1 are N-type generating electricity on two sides cell piece.
Further, referring to Fig. 1, a kind of specific embodiment party as generating electricity on two sides photovoltaic module provided by the invention
Formula, the male and fomale(M＆F) of concavo-convex two-sided reflective solder strip 4 is into sawtooth pattern.The surface of i.e. concavo-convex two-sided reflective solder strip is concavo-convex faceted pebble, when with
When laser pen irradiates reflective solder strip, light beam will not disperse, and still reflect again and focus on cell piece surface.
Further, referring to Fig. 1, a kind of specific embodiment party as generating electricity on two sides photovoltaic module provided by the invention
Formula, multi-disc generating electricity on two sides cell piece 1 are encapsulated between front safety glass 2 and back side safety glass 3 by encapsulating material 6,
Encapsulating material 6 is backing transparent polyolefin.
Further, referring to Fig. 1, a kind of specific embodiment party as generating electricity on two sides photovoltaic module provided by the invention
Formula, the outside of back side safety glass 3 are provided with the Split type connecting box 7 for the output of component electric energy.
Referring to Fig. 2, generating electricity on two sides photovoltaic module provided by the invention, component facade is good, has reached the positive back side and has sent out
Electric and non-battery position light is available, the reflective effect of welding.
Two-sided reflective solder strip proposed by the present invention and the collocation of white plating glaze glass use, and can apply in different type electricity
On the component of pond piece, including the type such as N-type single crystal battery piece, p-type polycrystalline cell piece and p-type single crystal battery piece, it can be widely popularized.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (6)
1. generating electricity on two sides photovoltaic module, including multi-disc generating electricity on two sides cell piece (1), welded on the generating electricity on two sides cell piece (1)
There is welding, be packaged by front safety glass (2) and back side safety glass (3), it is characterised in that：The welding is bumps
Two-sided reflective solder strip (4), male and fomale(M＆F) and the generating electricity on two sides cell piece (1) of the two-sided reflective solder strip of bumps (4) side are welded
Connect, the male and fomale(M＆F) of opposite side is used to receive and reflect luminous energy, and white plating glaze part is provided with the back side safety glass (3)
(5), white plating glaze part (5) is located at the non-battery piece position of the back side safety glass (3), and illumination is from the front steel
After changing glass (2) and back side safety glass (3) incidence, glaze part (5) and the two-sided reflective weldering of the bumps are plated by the white
Band (4) is reflexed on the generating electricity on two sides cell piece (1).
2. generating electricity on two sides photovoltaic module as claimed in claim 1, it is characterised in that：The non-battery piece position includes cell piece
Between, between battery strings and edge.
3. generating electricity on two sides photovoltaic module as claimed in claim 1, it is characterised in that：The generating electricity on two sides cell piece (1) is N-type
Generating electricity on two sides cell piece.
4. generating electricity on two sides photovoltaic module as claimed in claim 1, it is characterised in that：The two-sided reflective solder strip of bumps (4)
Male and fomale(M＆F) is into sawtooth pattern.
5. generating electricity on two sides photovoltaic module as claimed in claim 1, it is characterised in that：The multi-disc generating electricity on two sides cell piece (1)
It is encapsulated in by encapsulating material (6) between the front safety glass (2) and back side safety glass (3), the encapsulating material
(6) it is backing transparent polyolefin.
6. generating electricity on two sides photovoltaic module as claimed in claim 1, it is characterised in that：Set on the outside of the back side safety glass (3)
It is equipped with the Split type connecting box (7) for the output of component electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025533.5A CN107833936A (en) | 2017-10-27 | 2017-10-27 | Generating electricity on two sides photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025533.5A CN107833936A (en) | 2017-10-27 | 2017-10-27 | Generating electricity on two sides photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107833936A true CN107833936A (en) | 2018-03-23 |
Family
ID=61650770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711025533.5A Pending CN107833936A (en) | 2017-10-27 | 2017-10-27 | Generating electricity on two sides photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107833936A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148631A (en) * | 2018-09-26 | 2019-01-04 | 晶科能源科技（海宁）有限公司 | A kind of two-sided double glass photovoltaic modulies |
| WO2019223595A1 (en) * | 2018-05-25 | 2019-11-28 | 君泰创新（北京）科技有限公司 | Power generation photovoltaic assembly |
| CN111106194A (en) * | 2018-10-26 | 2020-05-05 | 比亚迪股份有限公司 | Double-sided solar cell and photovoltaic module |
| CN113746420A (en) * | 2021-09-07 | 2021-12-03 | 深圳市安泰科能源环保股份有限公司 | BIPV roof structure |
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| CN207303125U (en) * | 2017-10-27 | 2018-05-01 | 英利能源（中国）有限公司 | Generating electricity on two sides photovoltaic module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019223595A1 (en) * | 2018-05-25 | 2019-11-28 | 君泰创新（北京）科技有限公司 | Power generation photovoltaic assembly |
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| CN111106194A (en) * | 2018-10-26 | 2020-05-05 | 比亚迪股份有限公司 | Double-sided solar cell and photovoltaic module |
| CN113746420A (en) * | 2021-09-07 | 2021-12-03 | 深圳市安泰科能源环保股份有限公司 | BIPV roof structure |
| CN113746420B (en) * | 2021-09-07 | 2022-04-05 | 深圳市安泰科能源环保股份有限公司 | BIPV roof structure |
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