CN107911080A - The test device of solar cell electrical property - Google Patents
The test device of solar cell electrical property Download PDFInfo
- Publication number
- CN107911080A CN107911080A CN201711377756.8A CN201711377756A CN107911080A CN 107911080 A CN107911080 A CN 107911080A CN 201711377756 A CN201711377756 A CN 201711377756A CN 107911080 A CN107911080 A CN 107911080A
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- 238000012360 testing method Methods 0.000 title claims abstract description 111
- 229910052802 copper Inorganic materials 0.000 claims abstract description 161
- 239000010949 copper Substances 0.000 claims abstract description 161
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 160
- 239000004020 conductor Substances 0.000 claims abstract description 45
- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 238000002310 reflectometry Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000012634 fragment Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 101001073212 Arabidopsis thaliana Peroxidase 33 Proteins 0.000 description 2
- 101001123325 Homo sapiens Peroxisome proliferator-activated receptor gamma coactivator 1-beta Proteins 0.000 description 2
- 102100028961 Peroxisome proliferator-activated receptor gamma coactivator 1-beta Human genes 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241000486406 Trachea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single 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
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- Photovoltaic Devices (AREA)
Abstract
The present invention provides a kind of test device of solar cell electrical property, including upper testboard and lower testboard, the lifting gear of copper conductive filament group, the adjustable spring for adjusting copper conduction thread tension, the confluence copper conductor for connecting all Current Voltage copper conductive filaments respectively, main body frame and connection motor that upper testboard includes being used to test the positive Current Voltage of cell piece；Lower testboard includes substrate, copper conductive bar, the confluence copper conductor and adsorption hole for connecting all Current Voltage copper conductive bars respectively.The device can to avoid being reflected because of table top caused by short circuit current flow test virtual height problem, also solves the problems, such as the contact of double-side cell front and back electrodes conduct at the same time, by being integrated with automatic conveying device, solves the feasibility of test electrical property under the conditions of such battery volume production.
Description
Technical field
The present invention relates to a kind of test device of solar cell electrical property, belong to area of solar cell.
Background technology
Solar cell is to utilize photovoltaic effect, converts light energy into the device of electric energy.The commercial cells of mainstream at present
Substrate be crystalline silicon material, advanced PERC techniques are used on P-type silicon crystal, under normal circumstances, this battery is single side
Structure, wherein main grid is the 3-5 grid of mainstream.To p-type PERC batteries are fabricated to two-sided structure, at the same by front electrode with
Backplate cancels traditional main grid, is designed to no main grid or more thin main grids.Under such structure, the only shape on thin grid
Into conductive contact.Probe row's structure of the pressure main grid of so traditional solar cell electrical property test instrument then cannot be used for testing
Zero main grid/more main grids battery.If such zero main grid/more main grids battery design is into two-sided structure, then just needs to testboard
Reflectivity have certain requirement (reflectivity<5%) testboard reflectivity, can be thus eliminated to survey double-side cell short circuit current flow
The influence of examination.
Since this kind of double-side cell has certain transmissivity, conventionally test table top has higher because being copper coin table top
Reflectivity, when testing battery efficiency, the transmission of battery causes battery in long-wave band, has stronger plus the reflection of table top
The back side absorb, cause short circuit current flow test virtual height, cause test uncertainty.
The content of the invention
The object of the present invention is to provide a kind of test dress for testing two-sided zero main grid of single side/more main grids solar battery efficiency
Put, the device can to avoid being reflected because of table top caused by short circuit current flow test virtual height problem, while also solve double-side cell just
The problem of face and backplate conductive contact, by being integrated with automatic conveying device, under the conditions of solving such battery volume production
Test the feasibility of electrical property.
To reach above-mentioned purpose, technical solution of the invention is：
A kind of test device of solar cell electrical property, including upper testboard and lower testboard；Upper testboard and lower survey
Test stand is connected by the lifting gear with motor；
The upper testboard includes main body frame, upper electric current confluence copper conductor and upper voltage confluence copper conductor, body frame
Frame lower end is provided with the copper conductive filament group for being contacted with solar battery front side, and all electric current copper in copper conductive filament group are conductive
Silk is electrically connected with upper electric current confluence copper conductor and collects and export for electric current, all voltage copper conductive filaments in copper conductive filament group and
Upper voltage confluence copper conductor, which is electrically connected, to be collected and exports for voltage；
The lower testboard includes test base station, lower electric current confluence copper conductor and lower voltage confluence copper conductor, described
It is provided with lower copper conductive bar group for being contacted with rear surface of solar cell on test base station, all electric currents in lower copper conductive bar group
Copper conductive bar is electrically connected with lower electric current confluence copper conductor, all voltage copper conductive bars and lower voltage confluence copper in lower copper conductive bar group
Conducting wire is electrically connected；Every copper conductive bar in lower copper conductive bar group is arranged by multiple independent copper conductive bar fragments along linear interval
Form；
The main body frame and lifting gear surface all cover one layer of black antiradar reflectivity material, test base station surface
Cover the material of black insulation antiradar reflectivity.
The reflectivity of antiradar reflectivity material is less than 5% in 300nm-1200nm wave bands.
The main body frame lower part is provided with two rows of support columns, and copper conductive filament group is in support column bottom parallel arrangement, copper
Conductive filament group both ends are connected with main body frame.
The copper conductive filament group end set has adjustable spring, and insulating screw, adjustable spring are provided with main body frame
It is connected with insulating screw.
The copper conductive filament group includes some copper conductive filaments, respectively measures electric current copper conductive filament and the measurement of electric current
The voltage copper conductive filament of voltage；Copper conductive filament uses gold-plated or silver-plated copper conductive filament or fine copper conductive filament；Upper electric current confluence copper is led
Line is connected with the front electrode electric current port of electrical property test instrument, the front electricity of upper voltage confluence copper conductor and electrical property test instrument
Pole tension port is connected.
The lower copper conductive bar group includes some copper conductive bars, respectively measures electric current copper conductive bar and the survey of electric current
Measure the electric current copper conductive bar of voltage；Every copper conductive bar includes embedment lower part and outgoing top, embedment lower part embedment test base station
Interior, outgoing top is arranged on the surface of test base station；The embedment lower part of multiple copper conductive bar fragments is electrically connected.
The height on the outgoing top is 0.05mm-0.3mm, and preferably height is 0.05mm-0.2mm.
Adsorption hole is provided with the test base station, adsorption hole is arranged in the gap of lower copper conductive bar group；Adsorption hole
It is connected by vacuum suction structure with vacuum tube.
Belt grooves are provided with the test base station, belt grooves are connected by belt with belt transmission device.
The substrate of the test base station arches upward the radian of 0.1-0.4 degree upwards along copper conductive filament group arragement direction.
Relative to the prior art, the beneficial effects of the invention are as follows：
The test device of two-sided zero main grid of present invention test single side/more main grids solar cell electrical property, by upper testboard
Form with lower testboard, measured on upper testboard by the copper conductive filament group for testing solar battery front side Current Voltage
To the voltage and current parameter of solar cell, respectively by connect the upper electric current of all electric current copper conductive filaments converge copper conductor,
The upper voltage confluence copper conductor transmission for connecting all voltage copper conductive filaments collects and exports；Lower testboard up and down survey by copper conductive bar group
The voltage and current parameter of solar cell is measured, passes through the lower electric current of all electric current copper conductive bars of testboard under connecting respectively
The lower voltage confluence copper conductor transmission of confluence copper conductor, the lower all voltage copper conductive bars of testboard of connection collects and exports；With it is normal
The contrast of copper coin table top is advised, in long-wave band reflectivity ＜ 5%, and copper coin table top exists in long-wave band reflectivity ＞ 80%, double-side cell
Long-wave band has>10% transmissivity, when testing the efficiency of battery, the light of battery transmission is reflected through table top can return in battery again
Produce electric current by absorbing, cause short circuit current flow test inaccurate, the table top that the present invention designs because reflectivity is low, effectively reduce because
The influence that table top reflection absorbs battery transmitted light again, improves the accuracy of efficiency test.With electrical property test instrument
After automated system matching is integrated, in the electrical property of actual motion test cell piece, cell piece is transmitted by belt first
To testboard center, then control the lifting of testboard up and down to form good conduction with cell piece by automated system and connect
Touch, then achieve the purpose that such electrical performance of cell is tested by the test of solar simulator.The testboard reflectivity is low, has
Effect reduces the influence absorbed again to double-side cell transmitted light by table top reflection, improves the accuracy of efficiency test.At the same time
Also solve the problems, such as the contact of double-side cell front and back electrodes conduct, by being integrated with automation equipment, solve such
The feasibility of electrical property is tested under the conditions of battery volume production, it is equally applicable for single side battery, this device.Wherein, independent copper is led
Electric bar segment, into cuboid, one of independent segments are to test the rear-face contact point of cell piece voltage, remaining independent segments
To test the rear-face contact point of cell piece electric current.
Further, current line is collected and is exported and is connected with the front electrode electric current port of electrical property test instrument, the voltage congruence
Collect and export and be connected with the front electrode voltage port of electrical property test instrument, be read out voltage and current signal value.
Further, adjustable spring is used to adjust copper conduction thread tension, and length 1cm-5cm, pulling force 10N-30N, one end leads to
Cross insulating joint to fix with copper conductive filament, the screw connection of the other end and adjusting spring tension.
Further, lifting gear connection motor, its lifting is controlled by automated system.
Further, testing in the middle part of base station has two grooves, and for placing feed belt, feed belt is transmitted solar energy
Tested at cell piece to test device.
Further, lower testing stand prolongs upper testing stand copper conductive filament direction and arches upward upwards the radian of 0.1-0.4 degree, makes survey
Test stand face can be preferably bonded with mesuring battary piece.
Further, adsorption hole is used to adsorb for tested solar battery sheet so that test process makes electrical contact with
More stable, test is more accurate.
Brief description of the drawings
Fig. 1 is the test device of two-sided zero main grid of test single side of the embodiment of the present invention/more main grids solar cell electrical property
Structure diagram；
Fig. 2 is the knot for the test device that two-sided zero main grid of single side/more main grids solar cell electrical property is tested in embodiment
Structure plan；
Fig. 3 is section for the test device that two-sided zero main grid of single side/more main grids solar cell electrical property is tested in embodiment
Face schematic diagram；
Fig. 4 is to be tested in embodiment under the test device of two-sided zero main grid of single side/more main grids solar cell electrical property
Testboard conductive copper bar schematic cross-section；
Wherein：The upper copper conductive filament groups of 1-, 2- adjustable springs, 3- upper electric currents confluence copper conductor, converge on 4- copper conductor, and 5- is exhausted
Edge screw, 6- main body frames, 7- lifting gears, 8- test base stations, copper conductive bar group under 9-, 10- adsorption holes, 11- belt grooves,
Electric current converges copper conductor under 12-, voltage confluence copper conductor, 14- vacuum tracheaes under 13-.
Embodiment
With reference to specific embodiment and the attached drawing particular content that the present invention will be described in detail.
Embodiment 1
Filled as shown in Figure 1, Figure 2 with Fig. 3, a kind of test for testing two-sided zero main grid of single side/more main grids solar cell electrical property
Put, including upper testboard, two big part of lower testboard, wherein upper testboard includes being used to test solar battery front side electricity
The copper conductive filament group 1 of galvanic electricity pressure, the adjustable spring 2 for adjusting copper conduction thread tension, connect all electric current copper conductive filaments
Electric current confluence copper conductor 3, the upper voltage confluence copper conductor 4 for connecting all voltage copper conductive filaments, adjust the exhausted of adjustable spring pulling force
Edge screw 5, main body frame 6 and the lifting gear 7 for connecting motor.Lower testboard is included using black insulation antiradar reflectivity material
Fast black base bottom is made tests base station 8, lower copper conductive bar group 9, the lower current remittance of all electric current copper conductive bars of the lower testboard of connection
Flow lower voltage confluence copper conductor 13, the adsorption hole 10 of all voltage copper conductive bars of testboard under copper conductor 12, connection and open in base
Two belt grooves 11 among seat；Lower copper conductive bar group 9 includes embedment lower part and outgoing top, embedment lower part embedment test base station
In 8, and the backplate of outgoing top and battery forms conductive contact；Adsorption hole 10 connects vacuum suction structure, vacuum suction
Structure is connected with vacuum tube 14.
The test device of two-sided zero main grid of this kind test single side/more main grids solar cell electrical property, with conventional copper coin platform
In face of than in long-wave band reflectivity ＜ 5%, and copper coin table top has in long-wave band reflectivity ＞ 80%, double-side cell in long-wave band>
10% transmissivity, when testing the efficiency of battery, the light of battery transmission reflects to return in battery to be absorbed again through table top to be produced
Raw electric current, causes short circuit current flow test inaccurate, and the table top that the present invention designs is effectively reduced because table top reflects because reflectivity is low
The influence absorbed again to battery transmitted light, improves the accuracy of efficiency test.At the same time also solve double-side cell front and
The problem of backplate conductive contact, by being integrated with automatic conveying device, solve and test under the conditions of such battery volume production
The feasibility of electrical property.After the automated system with electrical property test instrument is matched and integrated, in actual motion test cell piece
During electrical property, cell piece is sent to by testboard center by belt first, is then controlled by automated system and surveyed up and down
The lifting of test stand forms good conductive contact with cell piece, then reaches such cell piece electricity by the test of solar simulator
The purpose of performance test.
In the present embodiment, if copper conductive filament group 1 includes dry copper conductive filament, copper conductive filament uses gold-plated or silver-plated copper conductive filament
Or fine copper conductive filament, the common 8-15 roots of copper conductive filament, wherein 1-5 are used for test voltage, remaining is used for test electric current, and copper is conductive
The a diameter of 0.1mm-0.8mm of silk, current line are collected and are exported and be connected with the front electrode electric current port of electrical property test instrument, voltage
Congruence collection and export be connected with the front electrode voltage port of electrical property test instrument.
In the present embodiment, adjustable spring 2, length 1cm-5cm, pulling force 10N-30N, one end is led by insulating joint and copper
Electrical filament is fixed, and the insulating screw 5 of the other end and adjusting spring tension connects.
In the present embodiment, upper electric current confluence copper conductor 3 and upper voltage confluence copper conductor 4, copper conductor diameter of 1 mm-3 mm, outside
Isolation material is wrapped up in portion, and the copper conductive filament of all test electric currents of upper testboard is converging together, with upper electric current confluence copper conductor 3
Welding, upper voltage confluence 4 other end of copper conductor are connected with the front electrode electric current port of electrical property test instrument, and upper testboard owns
Test voltage copper conductive filament it is converging together, with upper voltage confluence copper conductor 4 weld, confluence the copper conductor other end with electrically
The front electrode voltage port of energy tester is connected.
In the present embodiment, main body frame 6 and the lifting gear 7 for connecting motor, main body frame 6 and lifting gear surface
All one layer of black antiradar reflectivity materials of covering, reflectivity are both less than 5% in 300nm-1200nm wave bands, lifting gear connection horse
Reach, its lifting is controlled by automated system.
In embodiment, lower testboard, using black test base station 8 made of black isolation material, main body insulate for black
Antiradar reflectivity material, size 160mm × 160mm, reflectivity are less than 5% in 300nm-1200nm wave bands, pass through screw and base
Fixed, there are two grooves, width 1.5cm-2.5cm, depth 2mm-5mm, for placing feed belt, lower testing stand edge in middle part
Arch upward the radian of 0.1-0.4 degree upwards in upper testing stand copper conductive filament direction, enable testing stand preferably with mesuring battary piece
Fitting.
In the present embodiment, as shown in figure 4, the lower copper conductive bar group 9 of lower testboard, lower copper conductive bar group includes embedment lower part
With outgoing top, the embedment of embedment lower part is tested in base station 8, and the backplate of outgoing top and double-side cell forms conduction and connects
Touch, copper conductive bar width 1-3mm, the common 8-15 roots of copper conductive bar, each copper conductive bar is divided into 6-12 independent fragments, growth
Cube, one of independent segments are the rear-face contact point of test cell piece voltage, and remaining independent segments are test cell piece
The rear-face contact point of electric current.The width of each independent fragment of copper conductive bar 9 is 0.5mm-2mm, preferable width 0.8mm-
1.5mm, the height on top of going out is 0.05mm-0.3mm, and preferably height is 0.05mm-0.2mm, embedment lower part and test base station 8
Form adhesion non-loosening.
In the present embodiment, the lower electric current for the connecting all Current Voltage copper conductive bars respectively confluence copper conductor 12 of lower testboard
With lower voltage confluence copper conductor 13, copper conductor diameter of 1 mm-3 mm, outside parcel isolation material, all test electricity of lower testboard
The copper conductive bar of stream is converging together, is welded with confluence copper conductor 12, the back of the body of converge the copper conductor other end and electrical property test instrument
Face electrode current port is connected, and the copper conductive bar of all test voltages of lower testboard is converging together, with lower voltage confluence copper
Conducting wire 13 welds, and the confluence copper conductor other end is connected with the backplate voltage port of electrical property test instrument.
In the present embodiment, the adsorption hole 10 of lower testboard, substrate is equipped with N × N (N=5,6,7,8,9) a adsorption hole 10, very
Empty adsorption structure includes vacuum tracheae 14, and the vacuum tracheae that adsorption hole connects diameter 0.5-1cm is connected with vacuum pipe 14.
The device of the invention application method is：After the automated system with electrical property test instrument is matched and integrated, in reality
During the electrical property of testing results cell piece, cell piece is sent to by testboard center by belt first, then by automatic
The lifting of testboard forms good conductive contact, then the test for passing through solar simulator to the control of change system with cell piece up and down
Achieve the purpose that such electrical performance of cell test.The testboard reflectivity is low, effectively reduces because table top is reflected to two-sided electricity
The influence that pond transmitted light absorbs again, improves the accuracy of efficiency test.Also solves double-side cell front and back at the same time
The problem of electrodes conduct contacts, by being integrated with automation equipment, solves and electrical property is tested under the conditions of such battery volume production
Feasibility, it is equally applicable for single side battery, this device.
Protection scope of the present invention is not limited to the above embodiments, for those of ordinary skill in the art, if
If the various changes and deformation that are carried out to the present invention belong in the range of the claims in the present invention and equivalent technologies, the meaning of the present invention
Including figure is also changed and deformed comprising these.
Claims (10)
- A kind of 1. test device of solar cell electrical property, it is characterised in that：Including upper testboard and lower testboard；Upper test Platform and lower testboard are connected by the lifting gear (7) with motor；The upper testboard includes main body frame (6), upper electric current confluence copper conductor (3) and upper voltage confluence copper conductor (4), main Body frame (6) lower end is provided with the copper conductive filament group (1) for being contacted with solar battery front side, in copper conductive filament group (1) All electric current copper conductive filaments are electrically connected with upper electric current confluence copper conductor (3) to be collected and exports for electric current, in copper conductive filament group (1) All voltage copper conductive filaments and upper voltage confluence copper conductor (4) be electrically connected and collect and export for voltage；The lower testboard includes test base station (8), lower electric current confluence copper conductor (12) and lower voltage confluence copper conductor (13), The lower copper conductive bar group (9) for being contacted with rear surface of solar cell, lower copper conductive bar are provided with the test base station (8) All electric current copper conductive bars are electrically connected with lower electric current confluence copper conductor (12) in group (9), all voltages in lower copper conductive bar group (9) Copper conductive bar is electrically connected with lower voltage confluence copper conductor (13)；Every copper conductive bar in lower copper conductive bar group (9) is by multiple only Vertical copper conductive bar fragment is formed along linear interval arrangement；The main body frame (6) and lifting gear surface all cover one layer of black antiradar reflectivity material, test base station (8) table The material of face covering black insulation antiradar reflectivity.
- A kind of 2. test device of solar cell electrical property according to claim 1, it is characterised in that：Antiradar reflectivity material The reflectivity of matter is less than 5% in 300nm-1200nm wave bands.
- A kind of 3. test device of solar cell electrical property according to claim 1, it is characterised in that：The main body Frame (6) lower part is provided with two rows of support columns, and copper conductive filament group (1) is in support column bottom parallel arrangement, copper conductive filament group (1) two End is connected with main body frame (6).
- A kind of 4. test device of solar cell electrical property according to claim 1, it is characterised in that：The copper is led Electrical filament group (1) end set has adjustable spring (2), is provided with insulating screw (5) on main body frame (6), adjustable spring (2) with absolutely Edge screw (5) connects.
- A kind of 5. test device of solar cell electrical property according to claim 1, it is characterised in that：The copper is led Electrical filament group (1) includes some copper conductive filaments, and the voltage copper of the electric current copper conductive filament and measurement voltage that respectively measure electric current is led Electrical filament；Copper conductive filament uses gold-plated or silver-plated copper conductive filament or fine copper conductive filament；Upper electric current confluence copper conductor (3) is surveyed with electrical property The front electrode electric current port of examination instrument is connected, upper voltage confluence copper conductor (4) and the front electrode voltage end of electrical property test instrument Mouth is connected.
- A kind of 6. test device of solar cell electrical property according to claim 1, it is characterised in that：The lower copper Conductive bar group (9) includes some copper conductive bars, respectively measures the electric current copper conductive bar of electric current and the electric current copper of measurement voltage Conductive bar；Every copper conductive bar includes embedment lower part and outgoing top, and the embedment of embedment lower part is tested in base station (8), top of going out It is arranged on the surface of test base station (8)；The embedment lower part of multiple copper conductive bar fragments is electrically connected.
- A kind of 7. test device of solar cell electrical property according to claim 1, it is characterised in that：Described is outgoing The height on top is 0.05mm-0.3mm, and preferably height is 0.05mm-0.2mm.
- A kind of 8. test device of solar cell electrical property according to claim 1, it is characterised in that：The test Adsorption hole (10) is provided with base station (8), adsorption hole (10) is arranged in the gap of lower copper conductive bar group (9)；Adsorption hole (10) It is connected by vacuum suction structure with vacuum tube (14).
- A kind of 9. test device of solar cell electrical property according to claim (1), it is characterised in that：The survey Belt grooves (11) are provided with examination base station (8), belt grooves (11) are connected by belt with belt transmission device.
- A kind of 10. test device of solar cell electrical property according to claim 1, it is characterised in that：The survey The substrate of examination base station (8) arches upward the radian of 0.1-0.4 degree upwards along copper conductive filament group (1) arragement direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711377756.8A CN107911080B (en) | 2017-12-19 | 2017-12-19 | Testing device for electrical performance of solar cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377756.8A CN107911080B (en) | 2017-12-19 | 2017-12-19 | Testing device for electrical performance of solar cell |
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| CN107911080B CN107911080B (en) | 2024-04-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108493125A (en) * | 2018-05-24 | 2018-09-04 | 无锡市产品质量监督检验院 | A kind of test structure of solar cell piece |
| CN116865673A (en) * | 2023-07-04 | 2023-10-10 | 苏州伟信智能科技有限公司 | Tool clamp capable of simultaneously measuring electrical properties of multiple solar cells |
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