CN108010977A - A kind of photovoltaic module - Google Patents
A kind of photovoltaic module Download PDFInfo
- Publication number
- CN108010977A CN108010977A CN201711248896.5A CN201711248896A CN108010977A CN 108010977 A CN108010977 A CN 108010977A CN 201711248896 A CN201711248896 A CN 201711248896A CN 108010977 A CN108010977 A CN 108010977A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic module
- glass
- backboard
- reflector layer
- gap
- 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
- 239000011521 glass Substances 0.000 claims abstract description 39
- 239000004411 aluminium Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000005030 aluminium foil Substances 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000002313 adhesive film Substances 0.000 claims description 3
- 230000011514 reflex Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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
- H01L31/048—Encapsulation of modules
-
- 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
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- 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
- Y02E10/52—PV systems with concentrators
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
This application discloses a kind of photovoltaic module, tile including the glass and backboard stacked, between the glass and backboard and multiple cell pieces are set, there are gap between the edge of the adjacent cell piece, it is provided with reflector layer in the gap, the reflective surface of the reflector layer is towards the glass.Solar irradiation is mapped on photovoltaic module, the light being irradiated on gap, under the reflex positioned at the reflector layer of interstitial site, light is reflexed on glass, pass through glass secondary reflection again, back on cell piece, therefore, the some light is collected by cell piece, the light receiving efficiency of photovoltaic module is improved, increases the output power of photovoltaic module, and will not be absorbed or passed through by backboard, so as to avoid backboard absorbs sunlight and heats up, the service life of photovoltaic module is improved.
Description
Technical field
The present invention relates to solar energy generation technology field, more particularly to a kind of photovoltaic module.
Background technology
Photovoltaic module is a kind of electrification component using solar power generation, and photovoltaic module is by by multiple monomer solar-electricities
Pond piece is connected in series or in parallel and is packaged to obtain.Photovoltaic module usually includes glass, encapsulating material, electricity successively from top to bottom
Pond piece, encapsulating material and backboard, after these materials are press fit together, surrounding is packaged by frame.
Due to multiple cell pieces in each photovoltaic module in matrix tiled arrangements between glass and backboard, adjacent cell
There are gap between piece, the position corresponding with above and below gap of backboard is exposed, when solar irradiation is mapped on photovoltaic module, portion
The gap that light splitter is passed through between cell piece is irradiated on backboard, which is absorbed or penetrated by backboard, causes photovoltaic group
The rise of part temperature and the waste of light, influence the service life and efficiency of photovoltaic module.
In conclusion the backboard between how solving the gap of cell piece absorbs light, photovoltaic module temperature is caused to raise
And the problem of ray waste, become those skilled in the art's urgent problem to be solved.
The content of the invention
In view of this, it is an object of the invention to provide a kind of photovoltaic module, with improve the service life of photovoltaic module and
Light receiving efficiency.
To reach above-mentioned purpose, the present invention provides following technical scheme：
A kind of photovoltaic module, including the glass and backboard stacked, the multiple batteries of tiling setting between the glass and backboard
Piece, there are gap between the edge of the adjacent cell piece, reflector layer, the reflective surface of the reflector layer are provided with the gap
Towards the glass.
Preferably, in above-mentioned photovoltaic module, the reflector layer is aluminium foil reflector layer or silver reflector layer.
Preferably, in above-mentioned photovoltaic module, the reflector layer is bonded and fixed on the backboard.
Preferably, in above-mentioned photovoltaic module, the reflector layer is bonded and fixed on backboard by EVA adhesive film.
Preferably, in above-mentioned photovoltaic module, the reflector layer is coated on the reflective membrane on the backboard.
Preferably, in above-mentioned photovoltaic module, a circle is provided with the inside of the frame of the photovoltaic module positioned at described
Between glass and cell piece and favour the reflexed light ring side of the glass, the reflective surface on the reflexed light ring side is towards the glass
Lower surface.
Preferably, in above-mentioned photovoltaic module, the reflective surface on the reflexed light ring side is plane or concave surface.
Preferably, in above-mentioned photovoltaic module, the inclination angle between the reflective surface and the glass on the reflexed light ring side is
30 °~80 °.
Preferably, in above-mentioned photovoltaic module, the frame is aluminium frame.
Compared with prior art, the beneficial effects of the invention are as follows：
In photovoltaic module provided by the invention, the multiple cell pieces of tiling setting between glass and backboard, adjacent cell piece
There are gap between edge, reflector layer is provided with gap, the reflective surface of reflector layer is towards glass.After so setting, sunlight
It is irradiated on photovoltaic module, the light being irradiated on gap, under the reflex positioned at the reflector layer of interstitial site, light is anti-
It is mapped on glass, then by glass secondary reflection, back on cell piece, therefore, which is collected by cell piece, improves
The light receiving efficiency of photovoltaic module, adds the output power of photovoltaic module.And some light will not be irradiated to quilt on backboard
Backboard is absorbed or passed through, and so as to avoid backboard absorbs sunlight and heats up, improves the service life of photovoltaic module.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structure diagram of photovoltaic module provided in an embodiment of the present invention；
Fig. 2 is a kind of structure diagram of the frame of photovoltaic module provided in an embodiment of the present invention.
Wherein, 1 it is glass, 2 be cell piece, 21 be gap, 3 be backboard, 4 be reflector layer, 5 be frame, 51 is reflexed light ring
Side.
Embodiment
The core of the present invention there is provided a kind of photovoltaic module, to improve the service life of photovoltaic module and light receiving efficiency.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1, an embodiment of the present invention provides a kind of photovoltaic module, including stack successively from top to bottom glass 1,
Upper encapsulating material layer, cell piece 2, lower encapsulating material layer and backboard 3, encapsulating material layer are used to be adhesively fixed neighbouring two
Part, the quantity of cell piece 2 is multiple, and is laid between glass 1 and backboard 3, is preferably laid in glass 1 and backboard 3 in matrix
Between, fixation is packaged by upper and lower two layers of encapsulating material layer, the surrounding of photovoltaic module is packaged with frame 5, adjacent cell piece 2
Edge between there are gap 21, gap 21 includes piece gap and string gap, reflector layer 4 being provided with gap 21, reflector layer 4
Reflective surface is towards glass 1.
The operation principle of the photovoltaic module is：Solar irradiation is mapped on photovoltaic module, and some light is irradiated on gap 21,
Due to being provided with reflector layer 4 in gap 21, which is reflexed on glass 1 by reflector layer 4, and light passes through glass 1 again
Secondary reflection, back on cell piece 2, therefore, which is collected by cell piece 2, make use of and is irradiated in gap 21
Sunlight, improves the light receiving efficiency of photovoltaic module, adds the output power of photovoltaic module, and some light will not irradiate
Absorbed or passed through by backboard 3 on to backboard 3, so as to avoid backboard 3 absorbs sunlight and heats up, improve making for photovoltaic module
Use the service life.
Further, in the present embodiment, reflector layer 4 is aluminium foil reflector layer or silver reflector layer.Aluminium foil reflector layer and silver
Matter reflector layer has higher reflectivity, can further improve the utilization rate of sunlight.Certainly, reflector layer 4 can also be it
The higher material of its reflecting rate, it is not limited to the material cited by the present embodiment.
In the present embodiment, reflector layer 4 is bonded and fixed to the upper surface of backboard 3, and reflector layer 4 is single component, it is carried on the back
Portion is bonded and fixed on backboard 3.Specifically, reflector layer 4 is bonded and fixed on backboard 3 by lower encapsulating material layer, lower package material
The bed of material is preferably EVA adhesive film.Certainly, reflector layer 4 can also be fixed by other bonded adhesives, and gap is corresponded in lower encapsulating material layer
21 position fluting, exposes backboard 3, reflector layer 4 is bonded on backboard 3 by bonded adhesives.
Reflector layer 4 is except using in addition to being adhesively fixed, reflector layer 4 can also be coated on the reflective membrane on backboard 3, that is, coat
Material there is reflective function in itself, reflective membrane specifically can correspond to gap by spraying or brushing shaping in lower encapsulating material layer
21 position fluting, exposes backboard 3, and reflective membrane is sprayed or brushed on backboard 3.As long as reflector layer can be formed in gap 21
4, it is not limited to the cited fixation of this implementation and shaped form.
As shown in Fig. 2, the inner side of the frame 5 of photovoltaic module is provided with a circle between glass 1 and cell piece 2 and tilts
In the reflexed light ring side 51 of glass 1, the reflective surface on reflexed light ring side 51 is towards the lower surface of glass 1.By being set in the inner side of frame 5
Reflexed light ring side 51, the light that can be emitted onto on frame 5 are reflexed on 1 lower surface of glass, then by 1 secondary reflection of glass,
Reflex on cell piece 2, further increase the utilization ratio of sunlight.
Further, in the present embodiment, the reflective surface on reflexed light ring side 51 is plane or concave surface, as long as can pass through light
Reflex to twice on cell piece 2, it is not limited to the shape cited by the present embodiment.
Preferably, the inclination angle between the reflective surface on reflexed light ring side 51 and glass 1 is 30 °~80 °, more preferably 45 °, is passed through
Suitable reflective surface angle is set, preferably to collect the light of reflection.
Further, in the present embodiment, frame 5 is the reflective surface that aluminium frame, aluminium frame light weight, and aluminium frame are formed
With higher reflectivity.Certainly, frame 5 can also be other materials, such as aluminium alloy, stainless steel.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (9)
1. a kind of photovoltaic module, including the glass (1) and backboard (3) stacked, tile between the glass (1) and backboard (3) and set
Put multiple cell pieces (2), there are gap (21) between the edge of the adjacent cell piece (2), it is characterised in that the gap
(21) it is provided with reflector layer (4) in, the reflective surface of the reflector layer (4) is towards the glass (1).
2. photovoltaic module according to claim 1, it is characterised in that the reflector layer (4) is aluminium foil reflector layer or silver
Reflector layer.
3. photovoltaic module according to claim 1, it is characterised in that the reflector layer (4) is bonded and fixed to the backboard
(3) on.
4. photovoltaic module according to claim 3, it is characterised in that the reflector layer (4) is adhesively fixed by EVA adhesive film
In on the backboard (3).
5. photovoltaic module according to claim 1, it is characterised in that the reflector layer (4) is coated on the backboard (3)
On reflective membrane.
6. according to claim 1-5 any one of them photovoltaic modulies, it is characterised in that the frame (5) of the photovoltaic module
Inner side is provided with a circle between the glass (1) and cell piece (2) and favours the reflexed light ring side of the glass (1)
(51), lower surface of the reflective surface of the reflexed light ring side (51) towards the glass (1).
7. photovoltaic module according to claim 6, it is characterised in that the reflective surface of the reflexed light ring side (51) for plane or
Concave surface.
8. photovoltaic module according to claim 7, it is characterised in that the reflective surface of the reflexed light ring side (51) and the glass
Inclination angle between glass (1) is 30 °~80 °.
9. photovoltaic module according to claim 6, it is characterised in that the frame (5) is aluminium frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711248896.5A CN108010977A (en) | 2017-12-01 | 2017-12-01 | A kind of photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711248896.5A CN108010977A (en) | 2017-12-01 | 2017-12-01 | A kind of photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108010977A true CN108010977A (en) | 2018-05-08 |
Family
ID=62055763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711248896.5A Pending CN108010977A (en) | 2017-12-01 | 2017-12-01 | A kind of photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108010977A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119512A (en) * | 2018-08-20 | 2019-01-01 | 苏州鑫本智能科技有限公司 | The efficient setting method of cell piece gap reflective membrane |
| CN111106194A (en) * | 2018-10-26 | 2020-05-05 | 比亚迪股份有限公司 | Double-sided solar cell and photovoltaic module |
| CN111370516A (en) * | 2020-03-18 | 2020-07-03 | 中天科技精密材料有限公司 | Photovoltaic module battery piece clearance membrane and photovoltaic module |
| CN114864717A (en) * | 2022-05-07 | 2022-08-05 | 广州祥源涞亮均新能源技术有限公司 | Photovoltaic glass control system |
| CN114899261A (en) * | 2022-05-09 | 2022-08-12 | 中国长江三峡集团有限公司 | Device for improving light utilization rate of gap between photovoltaic cell piece and frame |
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| CN206564259U (en) * | 2017-01-10 | 2017-10-17 | 新奥光伏能源有限公司 | photovoltaic module and photovoltaic generating system |
-
2017
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| CN201845789U (en) * | 2010-09-26 | 2011-05-25 | 阿特斯(中国)投资有限公司 | Frame used for solar battery component |
| CN102738269A (en) * | 2011-04-11 | 2012-10-17 | 中国科学院物理研究所 | Solar module |
| CN102544174A (en) * | 2012-01-06 | 2012-07-04 | 南通美能得太阳能电力科技有限公司 | Solar cell assembly for increasing light energy utilization ratio |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119512A (en) * | 2018-08-20 | 2019-01-01 | 苏州鑫本智能科技有限公司 | The efficient setting method of cell piece gap reflective membrane |
| CN111106194A (en) * | 2018-10-26 | 2020-05-05 | 比亚迪股份有限公司 | Double-sided solar cell and photovoltaic module |
| CN111370516A (en) * | 2020-03-18 | 2020-07-03 | 中天科技精密材料有限公司 | Photovoltaic module battery piece clearance membrane and photovoltaic module |
| CN114864717A (en) * | 2022-05-07 | 2022-08-05 | 广州祥源涞亮均新能源技术有限公司 | Photovoltaic glass control system |
| CN114864717B (en) * | 2022-05-07 | 2024-04-16 | 广州祥源涞亮均新能源技术有限公司 | Photovoltaic glass control system |
| CN114899261A (en) * | 2022-05-09 | 2022-08-12 | 中国长江三峡集团有限公司 | Device for improving light utilization rate of gap between photovoltaic cell piece and frame |
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Application publication date: 20180508 |
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