CN106898671B - Photovoltaic cell component - Google Patents
Photovoltaic cell component Download PDFInfo
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- CN106898671B CN106898671B CN201710085182.0A CN201710085182A CN106898671B CN 106898671 B CN106898671 B CN 106898671B CN 201710085182 A CN201710085182 A CN 201710085182A CN 106898671 B CN106898671 B CN 106898671B
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- photovoltaic cell
- extension
- solar battery
- welding
- cell component
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- 210000003850 cellular structure Anatomy 0.000 title claims abstract description 44
- 238000003466 welding Methods 0.000 claims abstract description 77
- 210000004027 cell Anatomy 0.000 claims abstract description 27
- 229910000679 solder Inorganic materials 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000007306 turnover 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
- H01L31/04—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
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- 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
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of photovoltaic cell components.The present invention is mutually associated by being arranged between the first extension and the second extension that will be oppositely arranged in adjacent solder unit, realize in photovoltaic cell component solar battery sheet staggeredly overlapped welding manner, compared to traditional tandem welding procedure for forming battery strings by monolithic battery piece Series connection welding, the technological process of production can be simplified, improve production efficiency, this external enwergy improves the output voltage and output current of photovoltaic cell component simultaneously, and then improve output power, it is compact-sized in the photovoltaic cell sub-component of imbricate in structure type, it is rationally distributed.
Description
Technical field
The present invention relates to technical field of solar batteries more particularly to a kind of photovoltaic cell components.
Background technology
The production procedure of monocrystalline silicon, polysilicon solar cell is related to the series welding process procedure of solar battery sheet, existing
There is full automatic solar battery welder to connect formula welding manner using the adjacent cell piece back of the body and completes single string of batteries string by easy stages
Series welding technique, i.e., cell piece absorption handling device 156mm × 156mm cell pieces are placed on series welding battery strings transmission line first
On, it is about the mutual associated of 2 times of the cell piece length of side and by welding that subsequent welding gripping component extracts more root long degree from payingoff mechanism
It cuts module to cut, more root bead bands of cutting are directly placed at the positive main gate line of previous battery piece by hereafter welding gripping component
Upper and aligned, series welding battery strings transmission line is carried cell piece and welding and is advanced with the step pitch of 158mm later, last cell piece
Subsequent cell piece is placed on welding top and front and back cell piece interval 2mm, adjacent cell piece positive and negative by absorption handling article
Positive and negative anodes by turnover line style welding be together in series, to complete a cycle period.So moving in circles can structure
At single series-connected battery string of going here and there.
The above-mentioned back of the body connects formula series welding mode and is only capable of completing single string of batteries string Series connection welding technique, the output voltage of single string of batteries string
Increase, in order to further increase output voltage, conventional method be by multi-string battery string in a manner of oem character set side by side
Arrangement, i.e., direction is constant in the horizontal plane for odd row battery strings, and even rows battery strings are placed after need to rotating horizontally 180 °, are so followed
Ring replaces, and is then together in series by the mutual associated positive and negative anodes by adjacent cell string head and the tail, finally from first and last two rows battery strings
Respectively draw positive and negative anodes in one end.Such photovoltaic cell component being connected in series by multi-string battery string uses series system on the whole,
The output voltage of component is greatly improved, but output current does not improve, the raising width of the output power of photovoltaic cell component
Spend limited, and the production procedure of component is complicated, is related to the series welding of single string of batteries string, battery strings rotate horizontally 180 °, battery
The series of decomposition action such as string paving string and convergent belt series welding, production efficiency compares relatively low.
The above is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that the above is existing skill
Art.
Invention content
The main purpose of the present invention is to provide a kind of photovoltaic cell components, it is intended to solve the production stream of photovoltaic cell component
The technical issues of journey complexity, low production efficiency.
To achieve the above object, the present invention provides a kind of photovoltaic cell component, and the photovoltaic cell component includes：N phase
Mutual welding unit disposed in parallel, each welding unit include m solar battery sheet, and each sun in the welding unit
Energy cell piece is generally aligned in the same plane and length direction is in same straight line；
The upper surface of the side of each solar battery sheet length direction is provided with the first extension, each solar cell length of a film
The lower surface for spending the other side in direction is provided with the second extension, the first extension and adjacent solar energy of each solar battery sheet
Second extension of cell piece is oppositely arranged, between the first extension and the second extension that are oppositely arranged in adjacent solder unit
It is provided with mutually associated；
Each solar battery sheet connects the first convergent belt in the welding unit of head end setting, in the welding unit of end setting
Each solar battery sheet connects the second convergent belt；
Wherein, the n and m is the integer more than or equal to 2.
Preferably, first extension, the second extension and mutually associated of same size.
Preferably, it is arranged in default spacing between adjacent solar battery piece in the welding unit.
Preferably, the mutual associated length is mL+c (m-1), wherein L is the length of each solar battery sheet, and c is institute
State predetermined interval.
The present invention is mutual by being arranged between the first extension and the second extension that will be oppositely arranged in adjacent solder unit
It is associated, solar battery sheet is realized in photovoltaic cell component staggeredly overlapped welding manner, compared to traditional by monolithic battery
Piece Series connection welding forms the tandem welding procedure of battery strings, can simplify the technological process of production, improves production efficiency, this external enwergy is same
The output voltage and output current of Shi Tigao photovoltaic cell components, and then output power is improved, in imbricate in structure type
Photovoltaic cell sub-component is compact-sized, rationally distributed.
Description of the drawings
Fig. 1 be an embodiment of the present invention photovoltaic cell component in welding unit structural schematic diagram；
Fig. 2 is the structural schematic diagram of the photovoltaic cell component of an embodiment of the present invention；
Fig. 3 be an embodiment of the present invention photovoltaic cell component in adjacent solar battery piece junction partial enlargement
Figure；
Solar battery sheet in the welding unit that Fig. 4 is arranged for head end in the photovoltaic cell component of an embodiment of the present invention
With the partial enlarged view of the first convergent belt junction；
Solar battery sheet in the welding unit that Fig. 5 is arranged for end in the photovoltaic cell component of an embodiment of the present invention
With the partial enlarged view of the second convergent belt junction；
Fig. 6 is the circuit diagram of the photovoltaic cell component of an embodiment of the present invention；
Fig. 7 is the flow diagram of the welding method of the photovoltaic cell component of an embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Fig. 1 be an embodiment of the present invention photovoltaic cell component in welding unit structural schematic diagram；Fig. 2 is the present invention
A kind of structural schematic diagram of the photovoltaic cell component of embodiment；Fig. 3 is phase in the photovoltaic cell component of an embodiment of the present invention
The partial enlarged view of adjacent solar battery sheet junction；Referring to Fig.1 ~ 3, the photovoltaic cell component includes：5 are mutually parallel and set
The welding unit set（That is n=5, but the n of the present embodiment can also be the value that other are more than or equal to 2, such as：2,3,4 or 6 is equivalent）, respectively
Welding unit includes 3 solar battery sheets 1（That is m=3, but the m of the present embodiment can also be the value that other are more than or equal to 2, example
Such as：2,4,5 or 6 is equivalent）, and each solar battery sheet 1 in the welding unit is generally aligned in the same plane and length direction is in
In same straight line；
The upper surface of the side of 1 length direction of each solar battery sheet is provided with the first extension 1-2, each solar cell
The lower surface of the other side of 1 length direction of piece is provided with the second extension 1-1, the first extension 1-2 of each solar battery sheet
It is oppositely arranged with the second extension 1-1 of adjacent solar battery piece, the first extension being oppositely arranged in adjacent solder unit
Mutual associated 2 are provided between 1-2 and the second extension 1-1.
The present embodiment between the first extension and the second extension that will be oppositely arranged in adjacent solder unit by being arranged
It is mutually associated, solar battery sheet is realized in photovoltaic cell component staggeredly overlapped welding manner, compared to traditional by monolithic electricity
Pond piece Series connection welding forms the tandem welding procedure of battery strings, can simplify the technological process of production, improves production efficiency, this external enwergy
The output voltage and output current of photovoltaic cell component are improved simultaneously, and then improves output power, are in imbricate in structure type
Photovoltaic cell sub-component it is compact-sized, it is rationally distributed.
It,, can be by head end in the present embodiment with reference to Fig. 4 ~ 5 for ease of drawing the anode and cathode of the photovoltaic cell component
Each solar battery sheet connects the first convergent belt 5-2 in the welding unit 3 of setting, and using the first convergent belt 5-2 as institute
The anode of photovoltaic cell component is stated, it is certainly, each in the welding unit 3 that the first convergent belt 5-2 is usually arranged with the head end
First extension 1-2 connections of solar battery sheet；
Each solar battery sheet in the welding unit 4 of end setting is connected into the second convergent belt 5-1, and described second is converged
The cathode with 5-1 as the photovoltaic cell component is flowed, certainly, what the second convergent belt 5-1 was usually arranged with the end
Second extension 1-1 connections of each solar battery sheet in welding unit 4.
In view of the conveniency of setting and the fastness of the photovoltaic cell component, in the present embodiment, described first prolongs
Extending portion 1-2, the second extension 1-1 and mutually associated 2 it is of same size.
In the concrete realization, to prevent mutual associated 2 length is long from increasing cost, therefore, in the present embodiment, institute
It states in welding unit and is arranged in default spacing between adjacent solar battery piece, correspondingly, the mutual associated length is mL+c
(m-1), wherein L is the length of each solar battery sheet, and c is the predetermined interval.
The present invention is illustrated with specific example below, but does not limit protection scope of the present invention.In this example, 3
The solar battery sheet 1 that piece breadth is 156mm × 31.2mm is transversely arranged with the spaced linear array of 3mm, and electricity is collectively formed
Pond piece group and as a welding unit, space structure is mutually parallel and has no inherence between discrete solar battery sheet in form
Association, but when breadth be 474mm × 1.2mm mutual associated 2 transition between two neighboring welding unit when, previous welding
Unit, mutual associated and subsequent welding unit placed in the middle stacked above one another from bottom to top, staggeredly overlapped that width is mutually associated by three
Width, as 1.2mm.With reference to Fig. 6, due to mutual associated 2 conducting and shunting, afflux effect so that in each welding unit
Solar battery sheet it is parallel with one another, the voltage source for being equivalent to 3 branches is parallel with one another, the welding unit of local parallel as etc.
The voltage source of effect is one another in series, and so on, arbitrary neighborhood welding unit is gradually staggeredly overlapped to form in imbricate by mutually associated
Photovoltaic cell component, that is, a series of welding units are by 3 solar battery sheet elder generations therein local parallel, then between group
The concatenated webbed photovoltaic cell component of series-parallel connection mode structure.The of each solar battery sheet in the welding unit 3 of head end setting
The second extension 1-1 of each solar battery sheet is respectively welded with a root range in the welding unit 4 that one extension 1-2 and end are arranged
Face is the convergent belt of 474mm × 6mm, draws the positive and negative anodes of photovoltaic cell component respectively.
Fig. 7 is the flow diagram of the welding method of the photovoltaic cell component of an embodiment of the present invention；With reference to Fig. 7, institute
The method of stating includes the following steps：
S10：By m × n solar battery sheet using m as one welding unit, and by each welding unit it is each too
Positive energy cell piece is set to same plane and length direction is in same straight line, the side of each solar battery sheet length direction
Upper surface is provided with the first extension, and the lower surface of the other side of each solar battery sheet length direction is provided with the second extension
Portion, wherein the n and m is the integer more than or equal to 2；
S20：Each welding unit is arranged in parallel, and by the first extension of each solar battery sheet and the adjacent sun
Second extension of energy cell piece is oppositely arranged；
S30：Interconnection tape welding will be passed through between the first extension being oppositely arranged in adjacent solder unit and the second extension
It connects.
For ease of drawing the anode and cathode of the photovoltaic cell component, in the present embodiment, the method may also include：
S40：Each solar battery sheet in the welding unit of head end setting is welded with the first convergent belt, end is set
Each solar battery sheet is welded with the second convergent belt in the welding unit set.
In view of the conveniency of setting and the fastness of the photovoltaic cell component, in the present embodiment, described first prolongs
Extending portion, the second extension and mutually associated of same size.
In the concrete realization, to prevent the mutual associated length is long from increasing cost, therefore, in the present embodiment, institute
It states in welding unit and is arranged in default spacing between adjacent solar battery piece, correspondingly, the mutual associated length is mL+c
(m-1), wherein L is the length of each solar battery sheet, and c is the predetermined interval.
The present invention is illustrated with specific example below, but does not limit protection scope of the present invention.In this example, string
Weldering battery strings transmission line is advanced with carrying battery strings cyclical intermission formula with the step pitch of 30mm, and in this cycle period, welding is inhaled
Attached handling device and cell piece group adsorb handling device priority alternating movement, and each comfortable its transfers station successively by welding and along cross
To equidistantly uniformly distributed welding unit is laminated in front adjacent solder cell edges side by side, front and back adjacent welding unit is by setting
Welding transition therebetween and staggeredly overlap, the welding unit edge part region area that is overlapping up and down is welding table
Area.It so moves in circles, the welding of adjacent solder unit and transition therebetween is gradually overlapped to form the continuous battery in imbricate
String, respectively cell piece is parallel with one another in row's cell piece group, and is one another in series between adjacent solder unit, and such welding unit is first local simultaneously
Then the whole concatenated webbed photovoltaic cell component of series-parallel connection mode structure, photovoltaic cell component head and end welding unit divide connection
Positive and negative anodes are not drawn by convergent belt.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of photovoltaic cell component, which is characterized in that the photovoltaic cell component includes：N welding arranged in parallel
Unit, each welding unit includes m solar battery sheet, and each solar battery sheet in the welding unit is positioned at same
Plane and length direction is in same straight line；
The upper surface of the side of each solar battery sheet length direction is provided with the first extension, each solar cell leaf length side
To the lower surface of the other side be provided with the second extension, the first extension and adjacent solar battery of each solar battery sheet
Second extension of piece is oppositely arranged, and is arranged between the first extension and the second extension that are oppositely arranged in adjacent solder unit
Have mutually associated；
Each solar battery sheet connects the first convergent belt in the welding unit of head end setting, in the welding unit of end setting it is each too
Positive energy cell piece connects the second convergent belt；
Wherein, the n and m is the integer more than or equal to 2.
2. photovoltaic cell component as described in claim 1, which is characterized in that first extension, the second extension and mutually
Associated is of same size.
3. the photovoltaic cell component as described in any one of claim 1 ~ 2, which is characterized in that in the welding unit it is adjacent too
It is positive to be arranged in default spacing between cell piece.
4. photovoltaic cell component as claimed in claim 3, which is characterized in that the mutual associated length is mL+c (m-1),
In, L is the length of each solar battery sheet, and c is the predetermined interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085182.0A CN106898671B (en) | 2017-02-17 | 2017-02-17 | Photovoltaic cell component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085182.0A CN106898671B (en) | 2017-02-17 | 2017-02-17 | Photovoltaic cell component |
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| Publication Number | Publication Date |
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| CN106898671A CN106898671A (en) | 2017-06-27 |
| CN106898671B true CN106898671B (en) | 2018-07-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623049A (en) * | 2017-09-14 | 2018-01-23 | 苏州携创新能源科技有限公司 | A kind of ultra dense arrangement photovoltaic module |
| CN108198889A (en) * | 2018-02-13 | 2018-06-22 | 苏州腾晖光伏技术有限公司 | A kind of cell piece interconnected method |
| CN110518082B (en) * | 2019-09-23 | 2024-08-27 | 晶科能源股份有限公司 | Battery piece group, photovoltaic module and photovoltaic equipment |
| CN111710735B (en) * | 2020-06-29 | 2022-05-24 | 晶科绿能(上海)管理有限公司 | Photovoltaic cell, laminated photovoltaic module and manufacturing method of photovoltaic cell |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496644A (en) * | 2011-12-29 | 2012-06-13 | 天津力神电池股份有限公司 | Crystalline silicon photovoltaic assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090145472A1 (en) * | 2007-12-10 | 2009-06-11 | Terra Solar Global, Inc. | Photovoltaic devices having conductive paths formed through the active photo absorber |
| US10741712B2 (en) * | 2012-02-15 | 2020-08-11 | Alta Devices, Inc. | Photovoltaic module containing shingled photovoltaic tiles and fabrication processes thereof |
| US20140124014A1 (en) * | 2012-11-08 | 2014-05-08 | Cogenra Solar, Inc. | High efficiency configuration for solar cell string |
| CN105164816B (en) * | 2013-01-28 | 2017-03-08 | 环球太阳能公司 | Photovoltaic interconnection system, apparatus and method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496644A (en) * | 2011-12-29 | 2012-06-13 | 天津力神电池股份有限公司 | Crystalline silicon photovoltaic assembly |
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