CN207801867U - A kind of solar cell electric performance testing device - Google Patents
A kind of solar cell electric performance testing device Download PDFInfo
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- CN207801867U CN207801867U CN201721782909.2U CN201721782909U CN207801867U CN 207801867 U CN207801867 U CN 207801867U CN 201721782909 U CN201721782909 U CN 201721782909U CN 207801867 U CN207801867 U CN 207801867U
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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 utility model provides a kind of solar cell electric performance testing device, including upper testboard and lower testboard, upper testboard includes for testing the copper conductive filament group of the positive Current Voltage of cell piece, the adjustable spring for adjusting copper conduction thread tension, confluence copper conductor, main body frame and the lifting gear for connecting motor for being separately connected all Current Voltage copper conductive filaments；Lower testboard includes substrate, copper conductive bar, the confluence copper conductor and adsorption hole for being separately connected all Current Voltage copper conductive bars.The device can to avoid being reflected because of table top caused by short circuit current test virtual height problem, also solves the problems, such as the contact of double-side cell front and back electrodes conduct simultaneously, 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 utility model is related to a kind of solar cell electric performance testing devices, 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, on P-type silicon crystal use advanced PERC techniques, 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
At 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 just needed at two-sided structure to testboard
Reflectivity have certain requirement (reflectivity<5%) testboard reflectivity, can be thus eliminated to survey double-side cell short circuit current
The influence of examination.
Since this kind of double-side cell has certain transmissivity, routine 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 plus the reflection of table top, has relatively strong
The back side absorb, cause short circuit current test virtual height, cause test uncertainty.
Utility model content
The purpose of this utility model is to provide a kind of survey of two-sided zero main grid of test single side/more main grids solar battery efficiency
Trial assembly is set, the device can to avoid being reflected because of table top caused by short circuit current test virtual height problem, while also solving two-sided electricity
The problem of pond front and back electrodes conduct contact, solves such battery volume production item by being integrated with automatic conveying device
The feasibility of electrical property is tested under part.
In order to achieve the above objectives, the technical solution of the utility model is：
A kind of solar cell electric performance testing device, including upper testboard and lower testboard；Upper testboard and lower test
Platform 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 electrical connection collects and exports for voltage；
The lower testboard includes testing 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 made of one whole copper conductive bar；
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 connect with main body frame.
The copper conductive filament group end set has adjustable spring, and insulating screw, adjustable spring are provided on main body frame
It is connect with insulating screw.
The copper conductive filament group includes several 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 several copper conductive bars, respectively measures electric current copper conductive bar and the survey of electric current
Measure the voltage 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 height on the outgoing top is 0.05mm-0.3mm, and preferably height is 0.05mm-0.2mm.
Adsorption hole is provided on the test base station, adsorption hole is arranged in the gap of lower copper conductive bar group；Adsorption hole
It is connected with vacuum tube by vacuum suction structure.
Belt grooves are provided on the test base station, belt grooves are connect 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.
Compared with the existing technology, the utility model has the beneficial effects that：
The utility model tests two-sided zero main grid of single side/more main grids solar cell electric performance testing device, by upper test
Platform and lower testboard form, and pass through the copper conductive filament group for testing solar battery front side Current Voltage on upper testboard and measure
The voltage and current parameter of solar cell is obtained, is led respectively by connecting the upper electric current confluence copper of all electric current copper conductive filaments
The upper voltage confluence copper conductor transmission of line, all voltage copper conductive filaments of connection collects and exports；Copper conductive bar above and below lower testboard
Group measures and obtains the voltage and current parameter of solar cell, respectively by under the lower all electric current copper conductive bars of testboard of connection
The lower voltage confluence copper conductor transmission of electric current confluence copper conductor, the lower all voltage copper conductive bars of testboard of connection collects and exports；
It is compared with conventional copper coin table top, in long-wave band reflectivity ＜ 5%, and copper coin table top is in long-wave band reflectivity ＞ 80%, two-sided electricity
Pond has in long-wave band>10% transmissivity, when testing the efficiency of battery, the light of battery transmission is reflected through table top can return to electricity again
It is absorbed in pond and generates electric current, cause short circuit current test inaccurate, the table top that the utility model designs is because reflectivity is low, effectively
It reduces because table top reflects the influence absorbed again to battery transmitted light, improves the accuracy of efficiency test.With electrical property
It, first will be electric by belt when actual motion tests the electrical property of cell piece after the automated system matching of tester integrates
Pond piece is sent to testboard center, and then control the lifting of testboard up and down by automated system forms well with cell piece
Conductive contact, then achieve the purpose that such electrical performance of cell is tested by the test of solar simulator.The testboard is anti-
It penetrates that rate is low, effectively reduces because table top reflects the influence absorbed again to double-side cell transmitted light, improve the standard of efficiency test
True property.It also solves the problems, such as the contact of double-side cell front and back electrodes conduct simultaneously, passes through integrated, the solution with automation equipment
The feasibility of electrical property is tested under the conditions of such battery volume production of having determined, for single side battery, this device is equally applicable.
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, is read out voltage and current signal value.
Further, adjustable spring leads to for adjusting copper conduction thread tension, length 1cm-5cm, pulling force 10N-30N, one end
It crosses insulating joint to fix with copper conductive filament, the screw connection of the other end and adjusting spring tension.
Further, lifting gear connects motor, its lifting is controlled by automated system.
Further, there are two grooves in the middle part of test base station, and for placing feed belt, feed belt is transmitted solar energy
It is 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 tested solar battery sheet so that test process is in electrical contact
More stable, test is more acurrate.
Description of the drawings
Fig. 1 is two-sided zero main grid of the utility model embodiment test single side/more main grids solar cell electric performance test dress
The structural schematic diagram set；
Fig. 2 is the structure that two-sided zero main grid of single side/more main grids solar cell electric performance testing device is tested in embodiment
Plan view；
Fig. 3 is the section that two-sided zero main grid of single side/more main grids solar cell electric performance testing device is tested in embodiment
Schematic diagram；
Wherein：The upper copper conductive filament groups of 1-, 2- adjustable springs, the upper electric currents of 3- converge copper conductor, and converge copper conductor on 4-, and 5- is exhausted
Edge screw, 6- main body frames, 7- lifting gears, 8- test base station, copper conductive bar group under 9-, 10- adsorption holes, 11- belt grooves,
Electric current converges copper conductor under 12-, and voltage converges copper conductor under 13-, 14- vacuum tracheaes.
Specific implementation mode
The particular content of the utility model is described in detail with reference to specific embodiment and attached drawing.
Embodiment 1
As shown in Figure 1, Figure 2 and Fig. 3, a kind of two-sided zero main grid of test single side/more main grids solar cell electric performance testing device,
Including upper testboard, two big component part of lower testboard, wherein upper testboard includes for testing solar battery front side electric current
The copper conductive filament group 1 of voltage, connects powering on for all electric current copper conductive filaments at the adjustable spring 2 for adjusting copper conduction thread tension
Stream confluence copper conductor 3, the upper voltage confluence copper conductor 4 for connecting all voltage copper conductive filaments, the insulation for adjusting adjustable spring pulling force
Screw 5, main body frame 6 and the lifting gear 7 for connecting motor.Lower testboard includes using black insulation antiradar reflectivity material system
At the test base station 8 at fast black base bottom, the lower electric current confluence of lower copper conductive bar group 9, the lower all electric current copper conductive bars of testboard of connection
Copper conductor 12, connection play lower voltage confluence copper conductor 13, the adsorption hole 10 of all voltage copper conductive bars of testboard and open in pedestal
Two intermediate belt grooves 11；Lower copper conductive bar group 9 includes embedment lower part and outgoing top, embedment lower part embedment test base station 8
It is interior, and the backplate of outgoing top and battery forms conductive contact；Adsorption hole 10 is connected to vacuum suction structure, vacuum suction knot
Structure is connected with vacuum tube 14.
This kind tests two-sided zero main grid of single side/more main grids solar cell electric performance testing device, with conventional copper coin table top
Comparison, in long-wave band reflectivity ＜ 5%, and copper coin table top is in long-wave band reflectivity ＞ 80%, and double-side cell has in long-wave band>
10% transmissivity, when testing the efficiency of battery, the light of battery transmission, which reflects to return in battery to be absorbed again through table top, to be produced
Raw electric current causes short circuit current test inaccurate, and the table top that the utility model designs is effectively reduced because reflectivity is low because of table top
The influence absorbed again to battery transmitted light is reflected, the accuracy of efficiency test is improved.Also solving double-side cell just simultaneously
The problem of face and backplate conductive contact, by integrated with automatic conveying device, under the conditions of solving such battery volume production
Test the feasibility of electrical property.After the automated system with electrical property test instrument is matched and integrated, battery is tested in actual motion
When the electrical property of piece, cell piece is sent to by testboard center by belt first, is then controlled by automated system
The lifting of lower testboard forms good conductive contact with cell piece, then reaches such battery by the test of solar simulator
The purpose of piece electric 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 total 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 is all
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, and lifting gear connects horse
It reaches, 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 pedestal
Fixed, there are two groove, width 1.5cm-2.5cm, depth 2mm-5mm, for placing feed belt, lower testing stand edge at 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, the copper conductive bar 9 of lower testboard, copper conductive bar includes embedment lower part and outgoing top, under embedment
Portion is embedded in substrate, and the backplate formation conductive contact on outgoing top and double-side cell, the total 8-15 roots of copper conductive bar group,
In a copper conductive bar be test voltage use, remaining for test electric current use, copper conductive bar length 150mm-155mm, width 1mm-
The height of 3mm, top of going out are 0.05mm-0.3mm, preferable width 0.8mm-1.5mm, and preferably height is 0.05mm-0.2mm,
It is embedded to lower part and forms adhesion non-loosening with test base station 8.
In the present embodiment, the lower electric current confluence copper conductor 12 for being separately connected all Current Voltage copper conductive bars of lower testboard
With lower voltage confluence copper conductor 13, copper conductor diameter of 1 mm-3 mm, outside package 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 lower all test voltages of 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 is connected to diameter 0.5-1cm is connected with vacuum pipe 14.
The device application method of the utility model is：After the automated system with electrical property test instrument is matched and is integrated,
When actual motion tests the electrical property of cell piece, cell piece is sent to by testboard center by belt first, is then passed through
The lifting of testboard forms good conductive contact with cell piece up and down for automated system control, then passes through solar simulator
Test achievees the purpose that such electrical performance of cell test.The testboard reflectivity is low, effectively reduces because table top is reflected to double
The influence that face battery transmitted light absorbs again, improves the accuracy of efficiency test.Simultaneously also solve double-side cell front and
The problem of backplate conductive contact, by integrated with automation equipment, test is electrical under the conditions of solving such battery volume production
The feasibility of energy, for single side battery, this device is equally applicable.
The scope of protection of the utility model is not limited to the above embodiments, comes for those of ordinary skill in the art
It says, if the various changes and deformation to the utility model progress belong to the utility model claims and equivalent technologies range
It is interior, then including the intention of the utility model also includes these changes and deforms.
Claims (11)
1. a kind of solar cell electric performance testing device, it is characterised in that：Including upper testboard and lower testboard；Upper testboard
It is connected by the lifting gear (7) with motor with lower testboard；
The upper testboard includes main body frame (6), upper electric current confluence copper conductor (3) and upper voltage confluence copper conductor (4), master
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 testing 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 on 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 one whole
Copper conductive bar is constituted；
The main body frame (6) and lifting gear surface all cover one layer of black antiradar reflectivity material, test base station (8) table
Face covers the material of black insulation antiradar reflectivity.
2. a kind of solar cell electric performance testing device according to claim 1, it is characterised in that：Antiradar reflectivity material
Reflectivity 300nm-1200nm wave bands be less than 5%.
3. a kind of solar cell electric performance testing device according to claim 1, it is characterised in that：The body frame
Frame (6) lower part is provided with two rows of support columns, and copper conductive filament group (1) is at support column bottom parallel arrangement, copper conductive filament group (1) both ends
It is connect with main body frame (6).
4. a kind of solar cell electric performance testing device according to claim 1, it is characterised in that：The copper is conductive
Silk group (1) end set has adjustable spring (2), and insulating screw (5), adjustable spring (2) and insulation are provided on main body frame (6)
Screw (5) connects.
5. a kind of solar cell electric performance testing device according to claim 1, it is characterised in that：The copper is conductive
Silk group (1) includes several copper conductive filaments, respectively measures the electric current copper conductive filament of electric current and measures the voltage copper conduction of voltage
Silk；Copper conductive filament uses gold-plated or silver-plated copper conductive filament or fine copper conductive filament；Upper electric current confluence copper conductor (3) and electric performance test
The front electrode electric current port of instrument is connected, the front electrode voltage port of upper voltage confluence copper conductor (4) and electrical property test instrument
It is connected.
6. a kind of solar cell electric performance testing device according to claim 1, it is characterised in that：The lower copper is led
Electric item group (9) includes several copper conductive bars, and the electric current copper conductive bar for respectively measuring electric current and the voltage copper for measuring voltage are led
Electric item；Every copper conductive bar includes embedment lower part and outgoing top, and the embedment of embedment lower part is tested in base station (8), and outgoing top is set
It sets on the surface of test base station (8).
7. a kind of solar cell electric performance testing device according to claim 6, it is characterised in that：It is described it is outgoing on
The height in portion is 0.05mm-0.3mm.
8. a kind of solar cell electric performance testing device according to claim 7, it is characterised in that：It is described it is outgoing on
The height in portion is 0.05mm-0.2mm.
9. a kind of solar cell electric performance testing device according to claim 1, it is characterised in that：The test base
Adsorption hole (10) is provided on platform (8), adsorption hole (10) is arranged in the gap of lower copper conductive bar group (9)；Adsorption hole (10) is logical
Vacuum suction structure is crossed with vacuum tube (14) to be connected.
10. a kind of solar cell electric performance testing device according to claim 1, it is characterised in that：The test
Belt grooves (11) are provided on base station (8), belt grooves (11) are connect by belt with belt transmission device.
11. a kind of solar cell electric performance testing device according to claim 1, it is characterised in that：The test
The substrate of base station (8) arches upward the radian of 0.1-0.4 degree upwards along copper conductive filament group (1) arragement direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782909.2U CN207801867U (en) | 2017-12-19 | 2017-12-19 | A kind of solar cell electric performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782909.2U CN207801867U (en) | 2017-12-19 | 2017-12-19 | A kind of solar cell electric performance testing device |
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| Publication Number | Publication Date |
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| CN207801867U true CN207801867U (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721782909.2U Active CN207801867U (en) | 2017-12-19 | 2017-12-19 | A kind of solar cell electric performance testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108133898A (en) * | 2017-12-19 | 2018-06-08 | 泰州隆基乐叶光伏科技有限公司 | A kind of solar cell electric performance testing device |
| CN109616432A (en) * | 2018-11-29 | 2019-04-12 | 普德光伏技术（苏州）有限公司 | A kind of battery strings Welding quality test device |
-
2017
- 2017-12-19 CN CN201721782909.2U patent/CN207801867U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108133898A (en) * | 2017-12-19 | 2018-06-08 | 泰州隆基乐叶光伏科技有限公司 | A kind of solar cell electric performance testing device |
| CN109616432A (en) * | 2018-11-29 | 2019-04-12 | 普德光伏技术（苏州）有限公司 | A kind of battery strings Welding quality test device |
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