CN209434207U - A kind of high efficiency photovoltaic module - Google Patents
A kind of high efficiency photovoltaic module Download PDFInfo
- Publication number
- CN209434207U CN209434207U CN201822163209.6U CN201822163209U CN209434207U CN 209434207 U CN209434207 U CN 209434207U CN 201822163209 U CN201822163209 U CN 201822163209U CN 209434207 U CN209434207 U CN 209434207U
- Authority
- CN
- China
- Prior art keywords
- solar battery
- conductive component
- sheet
- component
- photovoltaic module
- 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.)
- Expired - Fee Related
Links
- 239000008393 encapsulating agent Substances 0.000 claims abstract description 12
- 241000446313 Lamella Species 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000003447 ipsilateral effect Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of high efficiency photovoltaic module, including the front cover plate set gradually from top to bottom, front-sheet encapsulant layer, solar battery lamella, back-sheet encapsulant layer and back cover plate, the solar battery lamella includes several solar battery strings, every group of solar battery string includes several solar battery sheets connected using the first conductive component, it is connected between the solar battery string using the second conductive component, the first insulating element is equipped between the solar battery sheet, the second insulating element is equipped between solar battery string, solar battery string and the second conductive component are equipped with third insulating element.The utility model is by being arranged insulating element between solar battery sheet, between solar battery string and between solar battery string and conductive component, substantially reduce the inactive area in component, the size and area that component is reduced under the premise of guaranteeing component peak power output, improve the overall conversion efficiency of component.
Description
Technical field
The utility model relates to technical field of solar more particularly to a kind of high efficiency photovoltaic modulies.
Background technique
Solar energy is receive more and more attention as a kind of clean renewable new energy, and application is also increasingly wider
General, one most important application of solar energy at present is exactly photovoltaic power generation.Photovoltaic power generation is using photovoltaic effect directly by solar energy
Electric energy is converted to, the basic unit of photovoltaic power generation is solar battery, in specific application, usually by multiple solar-electricities
Pond piece constitutes solar cell module, then again connects each solar cell module and constitutes whole electric current output.
With the rapid growth of photovoltaic module installed capacity and the finiteness of available installation region, height is converted in market
The demand of efficiency solar photovoltaic module is more and more.The overall conversion efficiency of photovoltaic module mainly has with its peak power output and area
It closes, transfer efficiency is directly proportional to peak power output, is inversely proportional with area, therefore increase the peak power output of component, reduce
The area of component can improve the transfer efficiency of component.The most directly effective mode of lifting assembly peak power output includes being promoted
Cell piece efficiency and reduction encapsulation are lost, and most of producers are using both modes in industry.Cell piece currently on the market
Comparative maturity, the space of cell piece improved efficiency are limited for technology；For reducing component package loss, universal mode is logical
The optical loss and electrical losses crossed during reducing component package carry out the output power of lifting assembly, pass through various technologies and material
The use of material, at present component package loss can control in very low level, further promoted in this regard relatively difficult.Due to
Component needs to consider the requirement of creepage distance requirement and technique realization between internally charged body and conductor, therefore battery in design
Between piece, between battery strings, between cell piece and convergent belt all there are a certain distance, this causes to have in component more invalid
Region reduces the transfer efficiency of component.
Therefore, how to minimize the inactive area in component, the overall conversion efficiency of lifting assembly, is this field
The current technical issues that need to address of technical staff.
Summary of the invention
The purpose of this utility model aims to solve the problem that the above problem, by substantially reducing between solar battery sheet, battery strings
Between, distance between solar battery sheet and convergent belt, the area of component is reduced, thus the overall conversion efficiency of lifting assembly.
A kind of high efficiency photovoltaic module in the utility model, including front cover plate, the front envelope set gradually from top to bottom
Filling layer, solar battery lamella, back-sheet encapsulant layer and back cover plate, the solar battery lamella includes several solar batteries
String, every group of solar battery string include several solar battery sheets connected using the first conductive component, the solar battery
It is connected between string using the second conductive component, the first insulating element, solar battery string is equipped between the solar battery sheet
Between be equipped with the second insulating element, solar battery string and the second conductive component are equipped with third insulating element.
Solar battery sheet in the solar battery string includes p-type cell piece and N-type battery slice, p-type cell piece and N
Type cell piece is arranged alternately, and uses the first conductive component string in its front or the back side between adjacent p-type cell piece and N-type battery slice
Connection.
The first insulating element between the solar battery sheet is vertical with the first conductive component, between solar battery string
The second insulating element it is parallel with the first conductive component, third insulating element is vertical with the first conductive component, with the second conductive part
Part is parallel.
First conductive component and the second conductive component are to apply tin copper strips or conducting resinl.
The first conductive component width is less than the second conductive component width.
The solar battery sheet is full wafer cell piece or 1/n piece cell piece (n >=2).
The front-sheet encapsulant layer and back-sheet encapsulant layer material are vinyl-vinyl acetate copolymer, polyolefin, polyvinyl alcohol
Butyral or silicone.
The beneficial effects of the utility model are, by simplifying electricity for p-type cell piece and N-type battery slice combined use
Connection type between the piece of pond realizes the ipsilateral connection of adjacent cell piece；By between solar battery sheet, solar battery string
Between and solar battery string and conductive component between insulating element is set, substantially reduce the inactive area in component so that
The arrangement of solar battery sheet is even closer, and size and the face of component are reduced under the premise of guaranteeing component peak power output
Product, improves the overall conversion efficiency of component.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of sectional view of high efficiency photovoltaic module of the utility model.
Fig. 2 is a kind of partial schematic diagram of high efficiency photovoltaic module of the utility model.
Wherein, 1 is front cover plate, and 2 be front-sheet encapsulant layer, and 3 be solar battery lamella, and 4 be back-sheet encapsulant layer, and 5 be back
Surface cover, 6 be solar battery string, and 7 be solar battery sheet, and 8 be the first conductive component, and 9 be the second conductive component, and 10 be the
One insulating element, 11 be the second insulating element, and 12 be third insulating element.
Specific embodiment
For that can further appreciate that the technical characteristics of the utility model and content, it is illustrated with reference to the accompanying drawing.
As shown in Figures 1 and 2, a kind of high efficiency photovoltaic module, including the front cover plate 1, just set gradually from top to bottom
Face encapsulated layer 2, solar battery lamella 3, back-sheet encapsulant layer 4 and back cover plate 5, the solar battery lamella 3 include several
Solar battery string 6, every group of solar battery string include several solar battery sheets 7 connected using the first conductive component 8, institute
It states and is connected between solar battery string using the second conductive component 9, the first insulating element is equipped between the solar battery sheet
10, the second insulating element 11, solar battery string and the second conductive component are equipped between solar battery string equipped with third insulation
Component 12.
Solar battery sheet in the solar battery string includes p-type cell piece and N-type battery slice, both cell pieces
Efficiency having the same and unit for electrical property parameters, therefore the case where be not in cell piece mismatch.In same solar battery string,
P-type cell piece and N-type battery slice are arranged alternately, such that the ipsilateral two sides so that adjacent p-type cell piece and N-type battery slice is arranged
It is negative with different polarity, such as p-type cell piece front polarity, N-type battery slice front polarity is positive, therefore leads using first
Electrical components connect in p-type cell piece front with N-type battery slice front, and the series connection of two panels cell piece may be implemented.In traditional components
It is interior, due to the solar battery sheet type having the same in same solar battery string, in series cells, it is necessary to
The front and back of two panels adjacent cell piece is separately connected using conductive component, conductive component is located at the portion in adjacent cell piece gap
Divide and need to carry out bending processing, to reduce cell piece fragment rate and crack.In the present embodiment, since the first conductive component is located at
Adjacent cell piece it is ipsilateral so that the setting of the first insulating element is very simple between adjacent cell piece.
Other than being equipped with the first insulating element between solar battery sheet, the is in addition equipped between solar battery string
Two insulating elements, solar battery string and the second conductive component are equipped with third insulating element, the premiere feature of these insulating elements
It is that electrical isolation effectively is realized to solar battery sheet and conductive component, followed by substantially reduces between solar battery sheet, too
The size of these gap areas between positive energy battery strings and between solar battery string and the second conductive component, reduces in component
Inactive area reduce the size and area of component so that the arrangement of solar battery sheet is even closer, guarantee component most
The overall conversion efficiency and power density of component are improved under the premise of big output power.
Above embodiments are intended merely to illustrate the purpose of this utility model, and are not used as the restriction to the utility model,
Related technical personnel in the art can carry out multiplicity in the range of without departing from the utility model technical idea completely
Change and modification.As long as will all be fallen in the essential scope of the utility model to variation, the modification of embodiment described above
In the scope of the claims of the utility model.
Claims (7)
1. a kind of high efficiency photovoltaic module, including set gradually from top to bottom front cover plate, front-sheet encapsulant layer, solar battery
Lamella, back-sheet encapsulant layer and back cover plate, it is characterised in that: the solar battery lamella includes several solar battery strings,
Every group of solar battery string include it is several using the first conductive component connect solar battery sheet, the solar battery string it
Between connected using the second conductive component, the first insulating element is equipped between the solar battery sheet, between solar battery string
Equipped with the second insulating element, solar battery string and the second conductive component are equipped with third insulating element.
2. photovoltaic module as described in claim 1, it is characterised in that: the solar battery sheet packet in the solar battery string
P-type cell piece and N-type battery slice are included, p-type cell piece and N-type battery slice are arranged alternately, adjacent p-type cell piece and N-type battery slice
Between its front or back side using the first conductive component series connection.
3. photovoltaic module as described in claim 1, it is characterised in that: the first insulating element between the solar battery sheet
Vertical with the first conductive component, the second insulating element between solar battery string is parallel with the first conductive component, third insulation
Component is vertical with the first conductive component, parallel with the second conductive component.
4. photovoltaic module as described in claim 1, it is characterised in that: first conductive component and the second conductive component are to apply
Tin copper strips or conducting resinl.
5. photovoltaic module as described in claim 1, it is characterised in that: the first conductive component width is less than the second conductive part
Part width.
6. photovoltaic module as described in claim 1, it is characterised in that: the solar battery sheet is full wafer cell piece or 1/n
Piece cell piece (n >=2).
7. photovoltaic module as described in claim 1, it is characterised in that: the front-sheet encapsulant layer and back-sheet encapsulant layer material are second
Alkene-vinyl acetate copolymer, polyolefin, polyvinyl butyral or silicone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822163209.6U CN209434207U (en) | 2018-12-19 | 2018-12-19 | A kind of high efficiency photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822163209.6U CN209434207U (en) | 2018-12-19 | 2018-12-19 | A kind of high efficiency photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209434207U true CN209434207U (en) | 2019-09-24 |
Family
ID=67972993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822163209.6U Expired - Fee Related CN209434207U (en) | 2018-12-19 | 2018-12-19 | A kind of high efficiency photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209434207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729370A (en) * | 2019-11-10 | 2020-01-24 | 李斌 | Solar photovoltaic cell panel |
-
2018
- 2018-12-19 CN CN201822163209.6U patent/CN209434207U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729370A (en) * | 2019-11-10 | 2020-01-24 | 李斌 | Solar photovoltaic cell panel |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 |