CN103022202A - Novel low cost and high efficiency photovoltaic module - Google Patents
Novel low cost and high efficiency photovoltaic module Download PDFInfo
- Publication number
- CN103022202A CN103022202A CN2012105092369A CN201210509236A CN103022202A CN 103022202 A CN103022202 A CN 103022202A CN 2012105092369 A CN2012105092369 A CN 2012105092369A CN 201210509236 A CN201210509236 A CN 201210509236A CN 103022202 A CN103022202 A CN 103022202A
- Authority
- CN
- China
- Prior art keywords
- battery
- photovoltaic module
- cell piece
- battery strings
- main grid
- 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
Images
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 invention discloses a novel low cost and high efficiency photovoltaic module. The inside of the novel low cost and high efficiency photovoltaic module comprises a battery string composed of two kinds of battery pieces. The main grids on the upper surface and the lower surface of the first battery piece are parallel to each other and the positions are overlapped in an up-and-down mode; the main grids on the upper surface and the lower surface of the second battery piece are vertical to each other. Two kinds of battery strings are needed in the battery strings welding, the two ends of one kind of battery string are provided with the second kind of battery pieces, the center is provided with the first kind of battery piece; only one end of the other kind of battery string is provided with second kind of battery piece, the other portions are provided with the first kind of battery pieces. The battery strings and the battery pieces are in sequence connection with each other through the main grids on the upper surfaces of the battery pieces and the adjacent main grids on the lower surfaces of the battery pieces. The battery strings are packed in a module after being connected in sequence and draw a bus-bar on the front battery piece and the rear battery piece of the battery pieces. The photovoltaic module composed of the novel battery string loops disclosed by the novel low cost and high efficiency photovoltaic module has the advantages of being low in cost compared to the regular module, high in module efficiency and applicable to being used in large scale in the preparation of solar battery module.
Description
Technical field
The invention belongs to the solar module technical field, be specifically related to a kind of novel low-cost, high-efficiency photovoltaic assembly.
Background technology
All be the battery strings that first cell piece is welded into one by one 10 or 12 during the conventional photovoltaic module of at present preparation, then by busbar battery strings and battery strings linked up, as shown in Figure 1.
Because busbar itself needs certain cost, the while assembly need to reserve extra area and carry out the laying of busbar, and the assembly material requested need to increase the cost about 1%.Simultaneously under identical power condition, the extra busbar area that increases causes the Efficiency Decreasing of assembly, according to the relative efficiency of calculating assembly as can be known because the introducing of additional areas has descended about 1%.In addition, because the main color of cell piece is blue, and the color of busbar is silver color, and the color of other areas is inconsistent in the extra busbar of introducing and the assembly, affects outward appearance.
Summary of the invention
Consider that existing photovoltaic with the shortcoming of assembly, the invention provides a kind of photovoltaic module, by adopting the novel battery string loop, can in the process of assembly preparation, save the use of part busbar and associated materials.
Technical scheme of the present invention is:
A kind of novel low-cost high-efficiency photovoltaic module, inside comprise two kinds of cell pieces: the main grid of the upper and lower surface of the first cell piece be parallel to each other and the position overlapping up and down, the main grid of the upper and lower surface of the second cell piece is mutually vertical; Form two kinds of battery strings by these two kinds of cell pieces: the up and down two ends of the first battery strings are the second cell piece, and the centre is the first cell piece; It is the second cell piece that the second battery strings only has an end, and remainder is the first cell piece; Form photovoltaic module by these two kinds of battery strings series connection, the battery strings that is positioned at the photovoltaic module left and right sides adopts the second battery strings, and the centre is the first battery strings; Wherein, mutually vertical between adjacent the second cell piece, and the lower surface main grid series connection by upper surface main grid and adjacent cells sheet; That end that has the first cell piece in the second battery strings is connected to busbar.
The lower surface main grid of the upper surface main grid of described the second cell piece and contiguous the second cell piece is in the same level position.
Described main grid number can adopt 2,3,4 even more, and main grid figure and particular location can be decided according to actual conditions.
The present invention consists of a kind of new battery strings loop with the parallel cell piece of upper and lower surface main grid with the vertical cell piece of innovative upper and lower surface main grid, the assembly that is consisted of by this cell circuit, more conventional assembly cost low about 1%, component efficiency has improved about 1%, the outward appearance of assembly is more unanimously attractive in appearance, can be used on a large scale the preparation of solar module.
Description of drawings
Fig. 1 is conventional photovoltaic module schematic diagram.
Fig. 2 is photovoltaic module schematic diagram of the present invention.Wherein, 1-busbar, 2-module frame, 3-conventional batteries sheet, 4-upper and lower surface main grid, 5-the first battery strings, 6-the second battery strings, 7-novel battery sheet, 8-upper surface main grid, 9-lower surface main grid.
Fig. 3 is the photovoltaic component lamination figure among the embodiment 1.
Fig. 4 is the two glass photovoltaic component lamination figure among the embodiment 2.
Embodiment
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
Two kinds of cell piece (see figure 2)s have been adopted in the assembly of the present invention, wherein a kind of cell piece is consistent with conventional batteries sheet 3, its upper and lower surface main grid 4 is parallel and upper-lower position is overlapping, and the second novel battery sheet 7 is printed as orthogonal figure with upper surface main grid 8, lower surface main grid 9 in manufacturing process.During series cells, the tail end of the first battery strings 5 adopts novel battery sheet 7, and remainder adopts conventional batteries sheet 3; The head and the tail cell piece of the second battery strings 6 all adopts novel battery sheet 7, and mid portion adopts conventional batteries sheet 3.Between the battery strings and between the cell piece all be by (descend) on the cell piece surperficial main grid and adjacent cells string lower (on) surperficial main grid is interconnected.Battery strings through the series connection after be packaged in the assembly, and about head and the tail cell piece draw busbar 1.The use that so just can in the process of assembly preparation, save part busbar and associated materials.
Embodiment 1
Utilize the present invention to make conventional assembly, its stacked graph as shown in Figure 3.In the time of the preparation battery, the part battery is prepared into the novel battery sheet 7 shown in Fig. 2.Battery, forms illustrated battery strings 5 and battery strings 6, and welding is welded on respectively the front and back electrode of cell piece by conventional batteries sheet 3 and the novel battery sheet 7 of placing shown in Figure 2 through behind the electric performance test, obtains the solar cell string 12 behind the series welding.Prepare glass 10, upper strata EVA11, the solar cell string 12 behind the series welding, the EVA of lower floor 13, backboard 14.Such as Fig. 3, lay the thick transparent EVA 11 of one deck 0.5mm on the glass 10, then lay the good solar cell string 12 of series welding, by welding the good solar cell string 12 of series welding is coupled together again.Lay EVA 13 at the back side of this solar cell string 12 more afterwards, lay at last backboard 14.The stacking material that lays is put into laminating machine laminating, and unnecessary EVA and the backboard of edge carried out cut edge after lamination finished, and carried out subsequent technique after the laminate cooling.
Utilize the present invention to make two glass assemblies, its stacked graph as shown in Figure 4.In the time of the preparation battery, the part battery is prepared into the novel battery sheet 7 shown in Fig. 2.Battery, forms illustrated battery strings 5 and battery strings 6, and welding is welded on respectively the front and back electrode of cell piece by conventional batteries sheet 3 and the novel battery sheet 7 of placing shown in Figure 2 through behind the electric performance test, obtains the solar cell string 12 behind the series welding.Prepare glass 10, upper strata EVA11, the solar cell string 12 behind the series welding, the EVA of lower floor 13, back side glass 15.Such as Fig. 4: lay the thick transparent EVA 11 of one deck 0.5mm on the glass 10, then lay the good solar cell string 12 of series welding, by welding the good solar cell string 12 of series welding is coupled together again.Lay EVA 13 at the back side of this solar cell string 12 more afterwards, lay at last back side glass 15, this pair of glass assembly outward appearance is more beautiful, is specially adapted to the photovoltaic system of architecture-integral.The stacking material that lays is put into laminating machine laminating, and unnecessary EVA and the backboard of edge carried out cut edge after lamination finished, and carried out subsequent technique after the laminate cooling.
Connecting between component internal battery strings of the present invention and the battery strings need not additionally to draw busbar, saved as busbar and laid required area and the assembly material cost of the required consumption of area herein.In the situation that the constant energy output that improves unit are of component power, improved the generating efficiency of assembly, and assembly outward appearance uniformity more.
Claims (3)
1. a novel low-cost high-efficiency photovoltaic module is characterized in that, photovoltaic module inside comprises two kinds of cell pieces: the main grid of the upper and lower surface of the first cell piece be parallel to each other and the position overlapping up and down, the main grid of the upper and lower surface of the second cell piece is mutually vertical; Form two kinds of battery strings by these two kinds of cell pieces: the up and down two ends of the first battery strings are the second cell piece, and the centre is the first cell piece; It is the second cell piece that the second battery strings only has an end, and remainder is the first cell piece; Form photovoltaic module by these two kinds of battery strings series connection, the battery strings that is positioned at the photovoltaic module left and right sides adopts the second battery strings, and the centre is the first battery strings; Wherein, mutually vertical between adjacent the second cell piece, and the lower surface main grid series connection by upper surface main grid and adjacent cells sheet; That end that has the first cell piece in the second battery strings is connected to busbar.
2. a kind of novel low-cost high-efficiency photovoltaic module according to claim 1 is characterized in that, the lower surface main grid of the upper surface main grid of described the second cell piece and contiguous the second cell piece is in the same level position.
3. a kind of novel low-cost high-efficiency photovoltaic module according to claim 1 and 2 is characterized in that, the number of described main grid is two or many.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105092369A CN103022202A (en) | 2012-12-04 | 2012-12-04 | Novel low cost and high efficiency photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105092369A CN103022202A (en) | 2012-12-04 | 2012-12-04 | Novel low cost and high efficiency photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103022202A true CN103022202A (en) | 2013-04-03 |
Family
ID=47970560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105092369A Pending CN103022202A (en) | 2012-12-04 | 2012-12-04 | Novel low cost and high efficiency photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103022202A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172639A (en) * | 2017-12-15 | 2018-06-15 | 中建材浚鑫科技有限公司 | Multiple-grid efficient photovoltaic module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060260673A1 (en) * | 2003-10-17 | 2006-11-23 | Canon Kabushiki Kaisha | Photovoltaic element and method of producing photovoltaic element |
| US20090308427A1 (en) * | 2006-07-31 | 2009-12-17 | Sanyo Electric Co., Ltd. | Solar cell module |
| CN102005493A (en) * | 2010-09-29 | 2011-04-06 | 上海晶澳太阳能科技有限公司 | Solar photovoltaic assembly |
-
2012
- 2012-12-04 CN CN2012105092369A patent/CN103022202A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060260673A1 (en) * | 2003-10-17 | 2006-11-23 | Canon Kabushiki Kaisha | Photovoltaic element and method of producing photovoltaic element |
| US20090308427A1 (en) * | 2006-07-31 | 2009-12-17 | Sanyo Electric Co., Ltd. | Solar cell module |
| CN102005493A (en) * | 2010-09-29 | 2011-04-06 | 上海晶澳太阳能科技有限公司 | Solar photovoltaic assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172639A (en) * | 2017-12-15 | 2018-06-15 | 中建材浚鑫科技有限公司 | Multiple-grid efficient photovoltaic module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105789359A (en) | Manufacturing method for double-face solar energy cell assembly | |
| CN108172648A (en) | A kind of solar cell module and its preparation process | |
| CN202049982U (en) | Solar photovoltaic assembly with parallel type battery cell strings | |
| CN208835082U (en) | Double generator unit imbrication photovoltaic modulies | |
| CN210040217U (en) | Stitch welding solar energy component | |
| CN105552155A (en) | Solar battery assembly | |
| CN102403374A (en) | Solar cell plate, solar cell string and solar cell assembly | |
| CN208352314U (en) | A kind of photovoltaic cell string and photovoltaic module | |
| CN207765460U (en) | A kind of solar cell module | |
| CN208208769U (en) | A kind of imbrication component | |
| CN105280738A (en) | Split-type conjunction box used for solar assembly and solar cell assembly thereof | |
| CN206480635U (en) | One kind section battery photovoltaic module | |
| CN108428767A (en) | A kind of more main grid half stacked wafer moudle row string methods | |
| CN103022202A (en) | Novel low cost and high efficiency photovoltaic module | |
| CN203521434U (en) | Solar cell sheet, solar cell string, and solar cell assembly | |
| CN104201222A (en) | Nonopaque crystalline-silicon solar cell module and production method thereof | |
| CN208352302U (en) | A kind of solar energy laminated batteries and solar energy stacked wafer moudle | |
| CN203277428U (en) | Solar cell module with PCB back board | |
| CN210379064U (en) | Two-sided photovoltaic module of jumbo size solar energy | |
| CN202758916U (en) | EPE-isolated solar cell module | |
| CN108258076A (en) | A kind of solar cell module using shape welding band | |
| CN210575972U (en) | Slicing and tile-stacking assembly | |
| CN203242650U (en) | Bifacial solar cell module | |
| CN210136884U (en) | Photovoltaic module | |
| CN208753340U (en) | A kind of solar cell module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |