CN105375880B - A kind of back contact solar cell built-in testing platform - Google Patents
A kind of back contact solar cell built-in testing platform Download PDFInfo
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- CN105375880B CN105375880B CN201510843076.5A CN201510843076A CN105375880B CN 105375880 B CN105375880 B CN 105375880B CN 201510843076 A CN201510843076 A CN 201510843076A CN 105375880 B CN105375880 B CN 105375880B
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- adsorption tank
- table surface
- upper table
- solar cell
- back contact
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- 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
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Abstract
The invention discloses a kind of back contact solar cell built-in testing platform, including being oppositely arranged, liftable upper table surface and following table, the following table is provided with test probe, the solar battery sheet is placed on upper table surface, the upper table surface is beneficial to the instrument connection that test probe stretches into simultaneously contact solar cell plate electrode point provided with some, and all skirts of each instrument connection set one and are beneficial to fastening solar battery sheet into the annular adsorption tank for being adsorbed in upper table surface.The present invention has the advantages that enhancing absorption affinity, improves measuring accuracy.
Description
Technical field
The present invention relates to solar battery sheet technical field, more particularly to a kind of back contact solar cell built-in testing are flat
Platform.
Background technology
The test of solar cell is an important procedure in battery production, and the first purpose of the process is exactly to test too
Then these cell pieces are classified and are analyzed as requested by the various physical parameters of positive energy battery.Solar cell is one
The sunshine for determining to receive at temperature certain irradiation level is irradiated, and its electric current and voltage can be varied from, and arranges positive and negative probe, collection
Battery IV data, the efficiency of solar battery sheet can be calculated according to its change.For test back contacts high performance solar batteries
The IV characteristics of piece, it is necessary to measure the electric current and voltage of positive pole and negative pole respectively, that is, the back side arrangement needed in cell piece, which is tested, to be visited
Pin, is measured the electric current and voltage of each electrode points, is then collected using circuit.
Because test probe is all at the back side of solar battery sheet, back contact solar cell must be consolidated in test
It is fixed.Existing fixing means mainly has two kinds：A kind of method is with clear glass to push down cell piece in front；Another method
It is to adsorb cell piece on test platform.The shortcoming of first method is that glass can reflect away a part of sunlight, is actually arrived
Light intensity up to cell piece surface does not reach numerical value set in advance, influences the accuracy of measurement.And it is past during using second method
It is past to face following problem, first, the cell piece after oversintering typically understands warpage, in actual use, its platform meeting designed
In the presence of the problem of absorption；Second, back contact battery is in test process, absorption affinity not enough, is inhaled when probe top lift is more than
During attached power, the accuracy of measurement is influenceed.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art there is provided one kind enhancing absorption affinity, improve and survey
Try the back contact solar cell built-in testing platform of precision.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of back contact solar cell built-in testing platform, including be oppositely arranged, liftable upper table surface and following table, institute
Following table is stated provided with test probe, the solar battery sheet is placed on upper table surface, and the upper table surface is beneficial to provided with some
Test probe stretches into the instrument connection of simultaneously contact solar cell plate electrode point, and all skirts of each instrument connection set a profit
In the annular adsorption tank that solar battery sheet fastening is adsorbed in upper table surface.
It is used as the further improvement of above-mentioned technical proposal：
The direction transported on the upper table surface along solar battery sheet is provided with the groove for being used for accommodating conveyer belt, the groove
Depth be more than conveyer belt thickness.
Some instrument connections are arranged into multiple rows of, the instrument connection interval setting bar shaped absorption of each row parallel to groove
Groove, the arragement direction arrangement of the fluting direction of the bar shaped adsorption tank along multiple rows of instrument connection.
The annular adsorption tank is located at upper table surface and coaxially arranged with instrument connection, and one end insertion of the annular adsorption tank is set
There is a dashpot parallel with bar shaped adsorption tank, the groove width of the annular adsorption tank, dashpot and bar shaped adsorption tank is 2~
3mm。
Appeared on the stage if evening up and fitting in the middle part of the solar battery sheet that capable person's warpage is set in the middle of multiple rows of instrument connection
The vacuum cup in face, direction interval dislocation arrangement of the vacuum cup along groove, the top of each vacuum cup is equal
Higher than upper table surface.
The vacuum cup is prepared from by lightweight silica gel material.
The side of the upper table surface is provided with multichannel vacuum entrance, wherein：Vacuum inlet is connected with vacuum cup all the way, other
Road vacuum inlet is connected with annular adsorption tank, bar shaped adsorption tank, the ring with the row's instrument connection periphery of vacuum cup spacing identical two
Shape adsorption tank, the connection of bar shaped adsorption tank, and share with vacuum inlet all the way.
Connected between the vacuum inlet and vacuum cup, annular adsorption tank and bar shaped adsorption tank by vacuum passage
Logical, the vacuum passage is opened in the inside of upper table surface.
The test probe includes a probe post and two probe bodies, and the lower end of the probe post is connected through a screw thread admittedly
Due on following table, upper end is fastenedly connected by insulating base with two probe bodies, and the two of one test probe of each instrument connection correspondence
Individual probe body is for detecting the electric current and voltage of same electrode points.
The back contact solar cell built-in testing platform also includes upper table surface support and following table support, the upper table surface
Be fixed on by screw on upper table surface support, the following table is fixed on following table support by screw, the upper table surface by
Aluminum alloy materials are prepared from, and upper surface is coated with layer oxide film, do insulation processing.
Compared with prior art, the advantage of the invention is that：
The back contact solar cell built-in testing platform of the present invention, each of which test probe one instrument connection of correspondence, often
All skirts of one instrument connection set an annular adsorption tank, and this annular adsorption tank effectively strengthens absorption affinity, so that absorption affinity
More than top lift of the test probe in test process, measuring accuracy is improved.
Brief description of the drawings
Fig. 1 is the backplate arrangement schematic diagram of the back contact solar cell piece of the present invention.
Fig. 2 is the structural representation of the back contact solar cell built-in testing platform of the present invention.
Fig. 3 is the structural representation of the upper table surface of the embodiment of the present invention.
Fig. 4 is the structural representation of the test probe of the present invention.
Each label is represented in figure：
1st, upper table surface；10th, upper table surface support；11st, instrument connection；12nd, groove；2nd, following table；20th, following table support；21st, survey
Sound out pin；211st, probe post；212nd, probe body；213rd, insulating base；4th, vacuum cup；51st, annular adsorption tank；510th, dashpot；
52nd, bar shaped adsorption tank；6th, vacuum inlet.
Embodiment
The present invention is described in further detail below in conjunction with Figure of description and specific embodiment.
Fig. 1 to Fig. 4 shows a kind of embodiment of back contact solar cell built-in testing platform of the present invention, and it includes phase
To setting, liftable upper table surface 1 and following table 2, following table 2 is provided with test probe 21, and solar battery sheet, which is placed in, appears on the stage
On face 1, upper table surface 1 is beneficial to the instrument connection 11 that test probe 21 stretches into simultaneously contact solar cell plate electrode point provided with some,
All skirts of each instrument connection 11 set one and are beneficial to fastening solar battery sheet into the annular adsorption tank for being adsorbed in upper table surface 1
51.The back contact solar cell built-in testing platform of the present invention, each of which test one instrument connection 11 of correspondence of probe 21 is each
All skirts of individual instrument connection 11 set an annular adsorption tank 51, this annular adsorption tank 51 effectively enhancing absorption affinity, so that inhaling
Attached power is more than top lift of the test probe 21 in test process, improves measuring accuracy.
In the present embodiment, the direction transported on upper table surface 1 along solar battery sheet is provided with the groove for being used for accommodating conveyer belt
12, the depth of groove 12 is more than the thickness of conveyer belt.Normally, solar battery sheet is transported to test position by conveyer belt,
Upper table surface 1 rises, and conveyer belt is located in groove 12, and solar battery sheet smoothly falls on upper table surface 1.This conveyer belt can be with
For belt or other structures.In the present embodiment, this groove 12 is two, and be parallel to each other arranged for interval.
In the present embodiment, some instrument connections 11 are arranged into multiple rows of, the interval of instrument connection 11 of each row parallel to groove 12
Bar shaped adsorption tank 52 is set, and the arragement direction of the fluting direction of this bar shaped adsorption tank 52 along multiple rows of instrument connection 11 is arranged.This implementation
In example, in order to reach the purpose of enhancing absorption affinity, bar shaped adsorption tank 52 is arranged in the interval of instrument connection 11, and this interval can be
Interval between two neighboring instrument connection 11, or between the interval between pairwise testing hole 11, or multiple instrument connections
Interval, in actual use, arrangement bar shaped adsorption tank 52 is reasonably distributed according to solar battery sheet electrode points.
In the present embodiment, annular adsorption tank 51 is located at upper table surface 1 and coaxially arranged with instrument connection 11, annular adsorption tank 51
One end insertion is provided with the dashpot 510 parallel with bar shaped adsorption tank 52, and this annular adsorption tank 51, dashpot 510 and bar shaped are inhaled
The groove width of attached groove 52 is 2~3mm.This dashpot 510 is the vacuum import and export of annular adsorption tank 51, is inhaled but also as buffering
It is attached to be used.In the present embodiment, the length of bar shaped adsorption tank 52 is more than the diameter of instrument connection 11, is easy to preferably adsorb.
In the present embodiment, if the middle solar battery sheet middle part for setting capable person's warpage of multiple rows of instrument connection 11 is evened up and pasted
Together in the vacuum cup 4 of upper table surface 1, direction interval dislocation arrangement of the vacuum cup 4 along groove 12, each vacuum cup 4
Top is above upper table surface 1, is easy to even up in the middle part of the solar battery sheet of warpage and fits on upper table surface 1.In the present embodiment,
Vacuum cup 4 is prepared from by lightweight silica gel material.
In the present embodiment, the side of upper table surface 1 is provided with multichannel vacuum entrance 6, wherein：Vacuum inlet 6 is inhaled with vacuum all the way
Disk 4 is connected, and other road vacuum inlets 6 are connected with annular adsorption tank 51, bar shaped adsorption tank 52, wherein, annular adsorption tank 51 passes through
Dashpot 510 is connected with vacuum inlet 6.Annular adsorption tank 51 with the periphery of 4 spacing identical of vacuum cup, two row's instrument connection 11,
Bar shaped adsorption tank 52 is shared with vacuum inlet 6 all the way.In the present embodiment, instrument connection 11 is four rows, first row and the 4th row test
Annular adsorption tank 51, the bar shaped adsorption tank 52 on the periphery of hole 11 are connected, and are shared with vacuum inlet 6, second row and the 3rd all the way
Annular adsorption tank 51, the bar shaped adsorption tank 52 on row's instrument connection 11 periphery are connected, and are shared with vacuum inlet 6 all the way, and vacuum is inhaled
Disk 4 is located between second row and the 3rd row.This groove 12 is two, and first is arranged between first row and second row, the liang
Article it is arranged between the 3rd row and the 4th row.
In the present embodiment, lead between vacuum inlet 6 and vacuum cup 4, annular adsorption tank 51 and bar shaped adsorption tank 52
Vacuum passage connection is crossed, vacuum passage is opened in the inside of upper table surface 1.
During work, solar battery sheet is transported to test position by conveyer belt, and upper table surface 1 rises, and conveyer belt enters logical
In groove 12, solar battery sheet smoothly falls on upper table surface 1, and the air-breathing of vacuum cup 4 is by the middle part of the solar battery sheet of warpage
Even up, meanwhile, annular adsorption tank 51, bar shaped adsorption tank 52 start absorption, and now following table 2 rises, and test probe 21 contacts electricity
After limit, flash test, after the completion of vacuum discharge, upper and lower table top declines, and conveyer belt transports cell piece, so as to complete a piece of
The test of cell piece.
In the present embodiment, test probe 21 includes a probe post 211 and two probe bodies 212, the lower end of probe post 211
It is connected through a screw thread and is fixed on following table 2, upper end is fastenedly connected by insulating base 213 with two probe bodies 212.Each instrument connection
11 correspond to two probe bodies 212 of a test probes 21 to detect the electric current and voltage of same electrode points.
In the present embodiment, in addition to upper table surface support 10 and following table support 20, upper table surface 1 is fixed on by screw appears on the stage
On face support 10, following table 2 is fixed on following table support 20 by screw, and upper table surface 1 is prepared from by aluminum alloy materials, and
Upper surface is coated with layer oxide film, does insulation processing.
Although the present invention is disclosed above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with ability
The technical staff in domain, in the case where not departing from technical solution of the present invention scope, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible variations and modification, or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every
Without departing from the content of technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments,
Equivalent variations and modification, all should fall in the range of technical solution of the present invention protection.
Claims (9)
1. a kind of back contact solar cell built-in testing platform, it is characterised in that：Including being oppositely arranged, liftable upper table surface
（1）And following table（2）, the following table（2）Provided with test probe（21）, the solar battery sheet is placed in upper table surface（1）
On, the upper table surface（1）It is beneficial to test probe provided with some（21）Stretch into the test of simultaneously contact solar cell plate electrode point
Hole（11）, each described instrument connection（11）All skirts set one be beneficial to by solar battery sheet fastening be adsorbed in upper table surface
（1）Annular adsorption tank（51）, the upper table surface（1）On the direction transported along solar battery sheet be provided with and be used to accommodate conveyer belt
Groove（12）, some instrument connections（11）Parallel to groove（12）It is arranged into multiple rows of, multiple rows of instrument connection（11）In
If between set capable person's warpage solar battery sheet in the middle part of even up and fit in upper table surface（1）Vacuum cup（4）, the vacuum
Sucker（4）Along groove（12）Direction interval dislocation arrangement, each described vacuum cup（4）Top be above upper table surface
（1）.
2. back contact solar cell built-in testing platform according to claim 1, it is characterised in that：The groove（12）'s
Depth is more than the thickness of conveyer belt.
3. back contact solar cell built-in testing platform according to claim 1, it is characterised in that：The instrument connection of each row
（11）Interval sets bar shaped adsorption tank（52）, the bar shaped adsorption tank（52）Fluting direction along multiple rows of instrument connection（11）Row
Cloth direction is arranged.
4. back contact solar cell built-in testing platform according to claim 3, it is characterised in that：The annular adsorption tank
（51）Located at upper table surface（1）And and instrument connection（11）It is coaxially arranged, the annular adsorption tank（51）One end insertion be provided with and bar
Shape adsorption tank（52）Parallel dashpot（510）, the annular adsorption tank（51）, dashpot（510）And bar shaped adsorption tank
（52）Groove width be 2~3mm.
5. back contact solar cell built-in testing platform according to claim 1, it is characterised in that：The vacuum cup
（4）It is prepared from by lightweight silica gel material.
6. the back contact solar cell built-in testing platform according to any one in claim 1 or 5, it is characterised in that：
The upper table surface（1）Side be provided with multichannel vacuum entrance（6）, wherein：Vacuum inlet all the way（6）With vacuum cup（4）Connection,
Other road vacuum inlets（6）With annular adsorption tank（51）, bar shaped adsorption tank（52）Connection, with vacuum cup（4）Spacing identical
Two row's instrument connections（11）The annular adsorption tank on periphery（51）, bar shaped adsorption tank（52）Connection, and share with vacuum inlet all the way
（6）.
7. back contact solar cell built-in testing platform according to claim 6, it is characterised in that：The vacuum inlet
（6）With vacuum cup（4）, annular adsorption tank（51）And bar shaped adsorption tank（52）Between connected by vacuum passage, it is described
Vacuum passage is opened in upper table surface（1）Inside.
8. back contact solar cell built-in testing platform according to claim 1, it is characterised in that：The test probe
（21）Including a probe post（211）With two probe bodies（212）, the probe post（211）Lower end be connected through a screw thread it is solid
Due to following table（2）On, upper end passes through insulating base（213）With two probe bodies（212）It is fastenedly connected, each instrument connection（11）Correspondence
One test probe（21）Two probe bodies（212）For detecting the electric current and voltage of same electrode points.
9. back contact solar cell built-in testing platform according to claim 1, it is characterised in that：Also include upper table surface branch
Frame（10）With following table support（20）, the upper table surface（1）Upper table surface support is fixed on by screw（10）On, the following table
（2）Following table support is fixed on by screw（20）On, the upper table surface（1）It is prepared from by aluminum alloy materials, and upper surface
Layer oxide film is coated with, insulation processing is done.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843076.5A CN105375880B (en) | 2015-11-27 | 2015-11-27 | A kind of back contact solar cell built-in testing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843076.5A CN105375880B (en) | 2015-11-27 | 2015-11-27 | A kind of back contact solar cell built-in testing platform |
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| Publication Number | Publication Date |
|---|---|
| CN105375880A CN105375880A (en) | 2016-03-02 |
| CN105375880B true CN105375880B (en) | 2017-10-27 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105827201B (en) * | 2016-04-08 | 2018-03-06 | 浙江晶科能源有限公司 | A kind of crystal silicon solar dereliction grid cell piece IV test devices |
| CN106737269B (en) * | 2016-11-10 | 2018-07-24 | 中国电子科技集团公司第四十八研究所 | Vacuum regulating system for back contact solar cell built-in testing platform |
| CN106411260A (en) * | 2016-12-07 | 2017-02-15 | 常州天合光能有限公司 | Method and device for measuring local contact hole of PERC solar cell |
| CN108206671B (en) * | 2018-02-10 | 2024-04-09 | 泰州隆基乐叶光伏科技有限公司 | MBB solar cell testboard |
| CN109378282B (en) * | 2018-11-28 | 2024-06-11 | 中国华能集团有限公司 | Probe contact type testing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100047954A1 (en) * | 2007-08-31 | 2010-02-25 | Su Tzay-Fa Jeff | Photovoltaic production line |
| WO2012057991A2 (en) * | 2010-10-29 | 2012-05-03 | Applied Materials, Inc. | Apparatus and method for testing back-contact solar cells |
| CN103490724A (en) * | 2013-09-05 | 2014-01-01 | 上海伟信新能源科技有限公司 | Full-back contact solar cell test bench |
| CN204068866U (en) * | 2014-09-15 | 2014-12-31 | 常州天合光能有限公司 | Back electrode structure battery testing platform |
| CN204470142U (en) * | 2014-12-24 | 2015-07-15 | 苏州巨能图像检测技术有限公司 | Solar battery sheet separator EL checkout gear |
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