CN106024992A - Method for preparing high efficiency photovoltaic component - Google Patents
Method for preparing high efficiency photovoltaic component Download PDFInfo
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- CN106024992A CN106024992A CN201610608730.9A CN201610608730A CN106024992A CN 106024992 A CN106024992 A CN 106024992A CN 201610608730 A CN201610608730 A CN 201610608730A CN 106024992 A CN106024992 A CN 106024992A
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- 238000000034 method Methods 0.000 title abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 178
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000012536 packaging technology Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000009466 transformation Effects 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
-
- 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
-
- 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
Abstract
The invention relates to the technical field of solar cells and discloses a method for preparing a high efficiency photovoltaic component. Through optimizing a welding process, a welding strip part with a composite surface structure and a welding strip part with a conventional surface structure alternately appear in the front and back sides of a battery sheet, and the output power of the component is improved. In the process of the invention, the welding strip parts which contact with battery sheet front and back side main gates are conventional surface structures, and so the reliability of the component is ensured while the power of the component is raised.
Description
Technical field
The present invention relates to technical field of solar batteries, be specifically related to the preparation method of a kind of efficient photovoltaic module.
Background technology
Optically thinner medium: the medium that refractive index is less.
Optically denser medium: the medium that refractive index is bigger.
Total reflection: when referring to the interface that light is mapped to optically thinner medium by optically denser medium, be all reflected back toward the phenomenon in former medium.
Solar battery sheet: being a kind of optoelectronic semiconductor thin slice utilizing the sunlight direct generation of electricity, it is in the condition of illumination
Under, can with output voltage and in the case of having loop produce electric current.
Photovoltaic module: connected and the assembly being tightly packaged into by series and parallel by solar battery sheet.
Photoelectric transformation efficiency: refer to electron number and the incident monochromatic light in the unit interval produced in external circuit in the unit interval
The ratio of subnumber.In solar cells, the generating efficiency of solaode is embodied.
The electricity generating principle of photovoltaic module is that the solar battery sheet in assembly absorbs solar energy, and is converted into electric energy.Respectively
Connected by welding between individual solar battery sheet.The operation carrying out welding welding on solar battery sheet main grid is light
One important procedure in photovoltaic assembly production, welding acts primarily as electrical connection effect, the electricity collected by solar battery sheet main grid
Stream is transferred out by welding.At present in industrialized production, the welding of solar battery sheet mainly uses series welding machine automatic welding
Connect.But welding itself does not possess photoelectric conversion capacity, being attached to solar battery sheet surface after welding can be to the daylighting of cell piece
Formation is blocked, and then reduces the light-receiving area of solar battery sheet, affects the overall generating efficiency of photovoltaic module.
Blocking the impact on cell piece photoelectric conversion efficiency to reduce welding, some photovoltaic module factories are in components welding work
Adding the operation of welding pad pasting in sequence, improve component power, the reflective membrane with composite construction is affixed on welding surface, adds battery
The sheet absorption to light.Its operation principle is: sunlight incides reflective membrane surface, due to reflective membrane through the glass of photovoltaic module
The V type on surface or the impact of arc microstructure, change the reflection path of welding surface sunlight, close by light at reflection light
Medium (glass) enters the interface of optically thinner medium (air) and is totally reflected, and sunlight is totally reflected directive battery again through interface
Sheet, adds cell piece to sunlight collecting efficiency.But drawback served by the increase band of welding film coating process: first, reflective
Film is expensive, adds the holistic cost of photovoltaic module；Secondly, pad pasting needs the supporting film sticking equipment special with series welding machine,
The maintaining that the input of new equipment and equipment run all can cause bigger cost pressure to enterprise.
Increasing, based on same, the principle that sunlight is absorbed by cell piece, some enterprises also begin to trial to be had some surfaces
Structured welding is applied in the production of photovoltaic module, to change the sunlight reflection path on welding surface, improves assembly
Power.But, in photovoltaic module, the positive back side of cell piece is different positive-negative polarities, so the positive back side of cell piece is required for welding weldering
Band, the front thus causing cell piece or the main grid being backed with one side to weld with the structural plane of welding.In industrialization
In production, the out-of-flatness of face of weld will directly increase the welding fragment rate of cell piece in welding process.Additionally, welding surface
Out-of-flatness cause welding surface and cell piece main grid bonding area to reduce, in the most cold and hot temperature environment alternately, easily
Appearance welding separates with cell piece main grid, affects the reliability of photovoltaic module.
Summary of the invention
The technical problem to be solved is to provide the preparation method of a kind of efficient photovoltaic module, is welded by optimization
Technological process, improves output and the reliability of photovoltaic module.
The embodiment of the present invention is adopted the technical scheme that the preparation method of a kind of efficient photovoltaic module, and the welding of employing is
Conventional surface structure and the alternate welding of surface, comprise the following steps:
Preparing the first welding: cut in the position, boundary of welding different surfaces structure by described welding, a section obtained has often
The welding of rule surface texture, the referred to as first welding；
Described first welding is placed into the relevant position of the conveyer belt of jig by mechanical hand, and described mechanical hand passes through suction nozzle
The first cell piece in slide cassette is placed on described first welding, the conventional surface structure of described first welding and described the
The back side main grid contact of one cell piece；
Prepare the second welding: cut in the position, boundary of welding different surfaces structure by described welding, obtain a unit length,
One unit length includes one section of surface part and the welding of one section of conventional surface structure division, referred to as second
Welding；
By described mechanical hand, described second welding is placed into the above of described first cell piece and the biography on the first cell piece side
Sending on band, the surface part of described second welding is corresponding with the front main grid of described first cell piece, and described second
The conventional surface part of welding hangs on a moving belt；
The second cell piece in slide cassette is placed into the right of the conventional surface part of described second welding by mechanical hand by suction nozzle
Answer on position；
It is repeated in above-mentioned steps, reaches the sheet number requirement of cell piece；
Preparing the 3rd welding: cut in the position, boundary of welding different surfaces structure by described welding, a section obtained has multiple
Close the welding of surface texture, the referred to as the 3rd welding；
By described mechanical hand, described 3rd welding is placed into above last a piece of cell piece；
Cell piece and welding are transported to welding unit by conveyer belt and weld successively so that the welding that cell piece front is corresponding
Upper surface be there is surface；
Utilize the packaging technology of photovoltaic module, the battery sheet packaging that will have welded, prepare efficient photovoltaic module.
Preferably, described preparation the first welding includes:
Manually pulling some weldings, described some weldings are parallel to each other, by described some welding different surfaces structures
Boundary aligned in position, is placed under the cutting knife of series welding machine cutting, under cutting for one section of weldering with conventional surface structure
Band, the referred to as first welding.
Preferably, described preparation the second welding includes:
By welding stretching and cut in the position, boundary of welding different surfaces structure by equipment, obtain one unit length
Welding, the referred to as second welding.
Preferably, by the friendship of different surfaces structure in the visual imaging positioner identification welding being positioned on described series welding machine
Position, boundary, and the interface location information recognized is fed back to welding clamping device, by welding clamping device relative to position
Inching, it is achieved the position, boundary of different surfaces structure in welding all cut by cutting knife every time.
Preferably, the welding of employing is conventional surface structure and the equidistant alternate welding of surface.
Preferably, described surface is the surface texture with V-type, arc or pattern type.
The invention have the benefit that
The preparation method of the efficient photovoltaic module that the embodiment of the present invention provides, by optimizing welding process flow process, it is achieved have multiple
The welding part of the welding part and conventional surface structure of closing surface texture appears alternatively in the front and back of cell piece, improves
The output of assembly.On the other hand, in the technique of the present invention, the welding table contacted with cell piece front and back main grid
Face is conventional surface structure, so ensure that the reliability of assembly while improving component power.
Accompanying drawing explanation
The structural representation of efficient photovoltaic module prepared by the preparation method that Fig. 1 provides for using the embodiment of the present invention；
In upper figure, the corresponding relation of reference and component names is:
11 first weldings；12 second weldings；13 the 3rd weldings；21 first cell pieces；22 second cell pieces.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further detailed explanation.
The preparation method of the efficient photovoltaic module that the embodiment of the present invention provides, the welding of employing is that conventional surface structure is with multiple
Close the welding that surface texture is alternate, comprise the following steps:
Step 1: prepare the first welding 11: cut in the position, boundary of welding different surfaces structure by described welding, obtained
Section has the welding of conventional surface structure, the referred to as first welding 11；
Step 2: by mechanical hand, described first welding 11 is placed into the relevant position of the conveyer belt of jig, described mechanical hand
By suction nozzle, the first cell piece 21 in slide cassette is placed on described first welding 11, the conventional table of described first welding 11
Face structure contacts with the back side main grid of described first cell piece 21；
Step 3: prepare the second welding 12: cut in the position, boundary of welding different surfaces structure by described welding, obtain one
Unit length, one unit length includes one section of surface part and the weldering of one section of conventional surface structure division
Band, the referred to as second welding 12；
Step 4: by described mechanical hand, described second welding 12 is placed into above and first battery of described first cell piece 21
On the conveyer belt on sheet 21 side, the surface part of described second welding 12 and the front master of described first cell piece 21
Grid are corresponding, and the conventional surface part of described second welding 12 hangs on a moving belt；
Step 5: the second cell piece 22 in slide cassette is placed into the conventional table of described second welding 12 by suction nozzle by mechanical hand
On the correspondence position of face part；
Step 6: be repeated in above-mentioned steps, reaches the sheet number requirement of cell piece；
Step 7: prepare the 3rd welding 13: cut in the position, boundary of welding different surfaces structure by described welding, obtained
Section has the welding of surface, the referred to as the 3rd welding 13；
Step 8: described 3rd welding 13 is placed into above last a piece of cell piece by described mechanical hand；
Step 9: cell piece and welding are transported to welding unit by conveyer belt and weld successively so that cell piece front is corresponding
The upper surface of welding be there is surface；
Step 10: utilize the packaging technology of photovoltaic module, the battery sheet packaging that will have welded, prepare efficient photovoltaic module.
The preparation method of the efficient photovoltaic module that the embodiment of the present invention provides, by optimizing welding process flow process, it is achieved tool
The welding part of surface and the welding part of conventional surface structure is had to appear alternatively in the front and back of cell piece,
Improve the output of assembly.On the other hand, in the technique of the present invention, the weldering contacted with cell piece front and back main grid
Belt surface is conventional surface structure, so ensure that the reliability of assembly while improving component power.
In one specific embodiment of the present invention, preparation the first welding 11 in step one includes: manually pull some
Welding, described some weldings are parallel to each other, and by the boundary aligned in position of described some welding different surfaces structures, are placed in
Cut under the cutting knife of series welding machine, under cutting for one section of welding with conventional surface structure, the referred to as first welding 11.Tool
Body ground, also includes cutting smooth by the head of some weldings.
Preparation the second welding 12 in step 2 includes: by equipment by welding stretching and in the friendship of welding different surfaces structure
Position, boundary cuts, and obtains the welding of one unit length, the referred to as second welding 12.
In one preferred embodiment of the present invention, above-mentioned steps is known by the visual imaging positioner being positioned on series welding machine
The position, boundary of different surfaces structure in other welding, and the interface location information recognized is fed back to welding clamping device, logical
Cross the inching relative to position of the welding clamping device, it is achieved the position, boundary of different surfaces structure in welding all cut by cutting knife every time
Put.
In the present invention, the surface of welding does not limit to, and can be V-type, arc or pattern type.
It addition, the number of cell piece is not limited in battery strings, can be a piece of, it is also possible to for multi-disc.If it is a piece of, then
After step 2, step 3-step 6 is omitted, the technique being directly entered step 7-step 10.
Principle and the embodiment of the present invention are set forth by specific case used herein, saying of above example
Bright method and the core concept thereof being only intended to help to understand the present invention.It should be pointed out that, the ordinary skill for the art
For personnel, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve
Also fall in the protection domain of the claims in the present invention with modifying.
Claims (6)
1. the preparation method of an efficient photovoltaic module, it is characterised in that the welding of employing is conventional surface structure and composite table
The welding that face structure is alternate, comprises the following steps:
Prepare the first welding (11): cut in the position, boundary of welding different surfaces structure by described welding, the one section of tool obtained
There are the welding of conventional surface structure, the referred to as first welding (11)；
Described first welding (11) is placed into the relevant position of the conveyer belt of jig by mechanical hand, and described mechanical hand passes through
The first cell piece (21) in slide cassette is placed on described first welding (11) by suction nozzle, the routine of described first welding (11)
Surface texture contacts with the back side main grid of described first cell piece；
Prepare the second welding (12): cut in the position, boundary of welding different surfaces structure by described welding, obtain a unit
Length, one unit length includes one section of surface part and the welding of one section of conventional surface structure division, claims
It is the second welding (12)；
By described mechanical hand, described second welding (12) is placed into above and first cell piece of described first cell piece (21)
(21), on the conveyer belt on side, the surface part of described second welding (12) is with described first cell piece (21) just
Face main grid is corresponding, and the conventional surface part of described second welding (12) hangs on a moving belt；
The second cell piece (22) in slide cassette is placed into the conventional surface of described second welding (12) by suction nozzle by mechanical hand
On the correspondence position of part；
It is repeated in above-mentioned steps, reaches the sheet number requirement of cell piece；
Prepare the 3rd welding (13): cut in the position, boundary of welding different surfaces structure by described welding, the one section of tool obtained
There are the welding of surface, the referred to as the 3rd welding (13)；
By described mechanical hand, described 3rd welding (13) is placed into above last a piece of cell piece；
Cell piece and welding are transported to welding unit by conveyer belt and weld successively so that the welding that cell piece front is corresponding
Upper surface be there is surface；
Utilize the packaging technology of photovoltaic module, the battery sheet packaging that will have welded, prepare efficient photovoltaic module.
The preparation method of efficient photovoltaic module the most according to claim 1, it is characterised in that described preparation the first welding
(11) including:
Manually pulling some weldings, described some weldings are parallel to each other, by described some welding different surfaces structures
Boundary aligned in position, is placed under the cutting knife of series welding machine cutting, under cutting for one section of weldering with conventional surface structure
Band, the referred to as first welding (11).
The preparation method of efficient photovoltaic module the most according to claim 2, it is characterised in that described preparation the second welding
(12) including:
By welding stretching and cut in the position, boundary of welding different surfaces structure by equipment, obtain one unit length
Welding, the referred to as second welding (12).
4. according to the preparation method of the efficient photovoltaic module described in any one of claim 1-3, it is characterised in that described by being positioned at
The position, boundary of different surfaces structure in visual imaging positioner identification welding on series welding machine, and the position, interface that will recognize
Confidence breath feeds back to welding clamping device, by welding clamping device relative to the inching of position, it is achieved cutting knife is all cut every time
The position, boundary of different surfaces structure in welding.
5. according to the preparation method of the efficient photovoltaic module described in any one of claim 1-3, it is characterised in that the welding of employing
For the equidistant alternate welding of conventional surface structure and surface.
6. according to the preparation method of the efficient photovoltaic module described in any one of claim 1-3, it is characterised in that described composite table
Face structure is to have the surface texture of V-type, arc or pattern type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608730.9A CN106024992B (en) | 2016-07-29 | 2016-07-29 | Method for preparing high efficiency photovoltaic component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608730.9A CN106024992B (en) | 2016-07-29 | 2016-07-29 | Method for preparing high efficiency photovoltaic component |
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| Publication Number | Publication Date |
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| CN106024992A true CN106024992A (en) | 2016-10-12 |
| CN106024992B CN106024992B (en) | 2017-04-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328770A (en) * | 2016-11-16 | 2017-01-11 | 英利能源（中国）有限公司 | Preparation method of photovoltaic module achieving double-faced power generation |
| CN106356430A (en) * | 2016-11-16 | 2017-01-25 | 英利能源（中国）有限公司 | Preparation method of double-faced generating type double-glass photovoltaic module |
| CN108767046A (en) * | 2018-07-31 | 2018-11-06 | 无锡奥特维科技股份有限公司 | A kind of photovoltaic welding belt and manufacturing method, solar cell string and solar cell module |
| CN109483075A (en) * | 2018-11-22 | 2019-03-19 | 无锡奥特维科技股份有限公司 | Battery strings production method and device |
| CN109545895A (en) * | 2018-11-22 | 2019-03-29 | 无锡奥特维科技股份有限公司 | Battery strings production method and device |
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| CN105489698A (en) * | 2015-11-23 | 2016-04-13 | 浙江昱辉阳光能源江苏有限公司 | Solar module capable of improving utilization ratio of soldering strip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328770A (en) * | 2016-11-16 | 2017-01-11 | 英利能源（中国）有限公司 | Preparation method of photovoltaic module achieving double-faced power generation |
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| CN108767046A (en) * | 2018-07-31 | 2018-11-06 | 无锡奥特维科技股份有限公司 | A kind of photovoltaic welding belt and manufacturing method, solar cell string and solar cell module |
| CN108767046B (en) * | 2018-07-31 | 2024-03-01 | 无锡奥特维科技股份有限公司 | Photovoltaic solder strip, manufacturing method, solar cell string and solar cell module |
| CN109483075A (en) * | 2018-11-22 | 2019-03-19 | 无锡奥特维科技股份有限公司 | Battery strings production method and device |
| CN109545895A (en) * | 2018-11-22 | 2019-03-29 | 无锡奥特维科技股份有限公司 | Battery strings production method and device |
| CN109545895B (en) * | 2018-11-22 | 2020-11-10 | 无锡奥特维科技股份有限公司 | Battery string production method and device |
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|---|---|
| CN106024992B (en) | 2017-04-12 |
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Address after: 072350 changgucheng Industrial Park, Tang County, Baoding City, Hebei Province Patentee after: Yingchen New Energy Technology Co.,Ltd. Address before: 072350 changgucheng Industrial Park, Tang County, Baoding City, Hebei Province Patentee before: Baoding Yingchen New Energy Development Co.,Ltd. |
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