CN104579169B - Light intensity calibration method used for solar battery piece testing device - Google Patents
Light intensity calibration method used for solar battery piece testing device Download PDFInfo
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- CN104579169B CN104579169B CN201410822207.7A CN201410822207A CN104579169B CN 104579169 B CN104579169 B CN 104579169B CN 201410822207 A CN201410822207 A CN 201410822207A CN 104579169 B CN104579169 B CN 104579169B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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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 light intensity calibration method used for a solar battery piece testing device. The light intensity calibration method comprises steps as follows: (1), a three-main-grid battery piece is used as a standard battery piece to calibrate the testing device, so that first calibration data are obtained; (2), the three-main-grid battery piece is connected to the testing device through test probes, and the testing device is debugged to obtain second calibration data which approximate to the first calibration data within an error range; (3), the three-main-grid battery piece is connected to the testing device through solder strips, and the testing device is debugged to obtain third calibration data which approximate to the second calibration data within an error range; (4), a four-main-grid battery piece is connected to the testing device through solder strips to obtain fourth calibration data; (5), the four-main-grid batter piece is connected to the testing device through the test probes, and the testing device is debugged, so that fifth calibration data approximate to the fourth calibration data within an error range. Calibration parameters, obtained according to the steps, of the testing device are applied to testing of the four-main-grid battery piece to achieve calibration of the testing device.
Description
Technical field
The invention belongs to the technical field of measurement and test in manufacture of solar cells, especially one kind are surveyed for solar battery sheet
The light intensity calibration method of examination equipment.
Background technology
Solar battery sheet needs using calibrated cell piece, test equipment to be calibrated before testing, to ensure to survey
The accuracy of test result, solaode demarcate process according to GB GB6497-86 " ground demarcated with solaode one
As specify " require carry out.The technical requirements that ground monocrystalline or polycrystalline silicon solar cell are demarcated are defined in GB GB6497-86
For：AM1.5 standard solar spectrum, total solar irradiance is 1000W/m2, the demarcation temperature of solar cell is 25 ± 1 DEG C.Demarcate
With equipment it is necessary to the specialized agency through national measurement department or its trust calibrates before demarcation, and to short circuit current measurement method
There are regulation and the requirement of correlation with certainty of measurement, temperature error, spectral response, irradiance measurement.
To be tested after the completion of solaode preparation, to assess its characteristic and conversion efficiency, this test is typically
Carry out at the standard conditions, that is, light intensity is 1000W/m2, temperature be 25 DEG C；And the assessment of light intensity is typically by using standard electric
Pond is being calibrated.First, select the special machine of the cell piece warp let-off national measurement department needing to test model or its trust
Structure is demarcated, and there is the ISE solar energy research German TUV Lay in one's power under German Fraunhofer mechanism in industry Chang Song target mechanism
The large-scale scientific research such as mattress group or testing service mechanism, for the battery of different structure and design, feed mechanism needs first to be directed to it
Structure and design carry out research and demarcate, and are just provided that the normal cell of respective model is used for test calibration.Take mechanism for testing to carry
For primary standard cell piece after, using this tap, test equipment is calibrated, comprises the following steps that：
1) model according to cell piece to be tested chooses the normal cell piece of respective model.
2) normal cell piece is positioned under test equipment probe row, pushes probe row it is ensured that probe and cell piece main grid
It is fully contacted.
3) manual calibration test equipment, using short circuit current coupling mode calibrated, testing standard cell piece each
Item unit for electrical property parameters, observes short circuit current Isc, open-circuit voltage Voc difference whether in claimed range, if not in scope, repeats
This step operation completes to calibrate so that the light intensity that cell piece receives is 1000W/m until reaching claimed range2.
When the structure of the solar battery sheet of developer's design changes it is necessary to wait professional institution to be calibrated to new
After the cell piece of structure and design is studied, then carry out the demarcation of the type battery, and make primary standard cell piece.Exploitation
Person needs to wait the longer time cycle just can take corresponding primary standard cell piece, equipment is calibrated, then could
The electrical performance of cell of new construction and design is accurately measured, be there is demarcation calibration cycle long, the shortcomings of very flexible.
Content of the invention
In order to solve the problems, such as prior art, the invention provides a kind of for solar battery sheet test equipment
Calibration steps, when the structure of the solar battery sheet of developer's design changes, by using existing battery chip architecture
Primary standard cell piece test equipment is calibrated, make the test equipment after calibration be applied to the electricity to new construction and design
The electrical property of pond piece is accurately measured.
For achieving the above object, present invention employs following technical scheme：
A kind of light intensity calibration method for solar battery sheet test equipment, wherein, including step：
S101, using the primary standard cell piece of the first size battery cell piece, test equipment is calibrated so that this one-level
The light intensity that normal cell piece receives in the case of having test probe to connect is standard testing light intensity, corresponding acquisition first calibration
Data；
S102, it is connected to test equipment using one first size battery cell piece by testing probe, corresponding obtain the second calibration
Data；Debug described test equipment so that the second calibration data is similar to described first calibration data in range of error, so that
The light intensity that this first size battery cell piece receives in the case of having test probe to connect is standard testing light intensity；
S103, welding is welded on the main grid of described first size battery cell piece, by welding by described first size battery cell
Piece is connected to test equipment, corresponding acquisition the 3rd calibration data；Debug described test equipment and make the 3rd calibration data in error
In the range of be similar to described second calibration data so that this first size battery cell piece no testing probe connect in the case of receive
The light intensity arriving is standard testing light intensity；
S104, welding is welded on the main grid of one second size battery cell piece, by welding by described second size battery cell piece
It is connected to described test equipment so that the light intensity that this second size battery cell piece receives in the case of no testing probe connection is
Standard testing light intensity, corresponding acquisition the 4th calibration data；
S105, described second size battery cell piece is connected to described test equipment by testing probe, corresponding obtains the 5th
Calibration data；Debug described test equipment so that the 5th calibration data is similar to described 4th calibration data in range of error,
So that the light intensity that the second size battery cell piece receives in the case of having test probe to connect is standard testing light intensity, final acquisition
The calibration parameter of described test equipment is applied to tests to the second size battery cell piece.
Wherein, described first size battery cell piece and the second size battery cell piece are the cell piece with different main grid quantity.
Wherein, described first size battery cell piece is three main grid cell pieces, and described second size battery cell piece is four main grid batteries
Piece.
Wherein, the welding being welded to cell piece is completely covered the main grid of cell piece and extends from the side of cell piece.
Wherein, described welding is connected to described test equipment by crocodile clamp tool.
Wherein, described standard testing light intensity is 1000W/m2.
Wherein, described calibration data is cell piece short circuit current.
Wherein, described calibration data is cell piece short circuit current and open-circuit voltage.
The light intensity calibration method for solar battery sheet test equipment providing in the embodiment of the present invention, is mainly used in
When the structure of newly-designed solar battery sheet changes and does not have the normal cell piece of this specification, by using having advised
The normal cell piece of lattice cell piece is calibrated to test equipment, and the calibration parameter obtaining test equipment is applied to new specification
Cell piece is tested.The method highly shortened demarcates calibration cycle to cell piece, improves the motility demarcating calibration,
Manufacture of solar cells and R ＆ D Enterprises are conducive to improve R＆D and production efficiency.
Brief description
Fig. 1 is the flow chart of steps of light intensity calibration method provided in an embodiment of the present invention.
Fig. 2 a-2e is the graphical representation of exemplary of each step of light intensity calibration method provided in an embodiment of the present invention.
Specific embodiment
As it was previously stated, the present invention mainly provides a kind of light intensity calibration method for solar battery sheet test equipment,
It is applied to when the structure of newly-designed solar battery sheet changes and does not have the normal cell piece of this specification, by using
The normal cell piece of existing size battery cell piece is calibrated to test equipment, and the calibration parameter obtaining test equipment is applied to new
Size battery cell piece tested.Test equipment in the present invention is primarily referred to as photovoltaic IV curve tester.
For example, existing solar battery sheet is the cell piece of three main grid structures, and has corresponding primary standard electricity
Pond piece.Newly-designed solar battery sheet is the cell piece of four main grid structures, using test equipment, cell piece is being measured
When, need probe is emitted on the main grid of cell piece and contacted, probe row and main grid quantity correspond.Due to probe row
Occlusion effect to light, cannot be used directly for four by the test equipment of the primary standard cell piece calibration of three main grid cell pieces main
The test of grid cell piece.The purpose of the present invention is precisely in order to solve problems, there is provided a kind of light intensity calibration method, the method
Using the normal cell piece of existing size battery cell piece (such as three main grid cell pieces), test equipment can be calibrated, obtain and survey
The calibration parameter of examination equipment is applied to tests to new size battery cell piece (such as four main grid cell pieces).
In order that the purpose of the present invention, technical scheme and advantage become more apparent, below in conjunction with Fig. 1 and Fig. 2, with
Solar battery sheet illustrates to technical scheme as a example three main grid structures are changed to four main grid structures.
As shown in figure 1, the light intensity calibration method that the present invention provides includes step：
The first step：There is provided the primary standard cell piece of one or three main grid cell pieces, using this normal cell piece to test equipment
Calibrated, corresponding acquisition the first calibration data A1.Specifically, as shown in Figure 2 a, this normal cell piece 10 is by test
Probe 101 is connected to test equipment, and test probe 101 includes 3 row's probes, is emitted on the main grid 102 of cell piece, with main grid
Correspond.Manual calibration test equipment, the mode using short circuit current coupling is calibrated, the items of testing standard cell piece
Unit for electrical property parameters, observes short circuit current Isc, open-circuit voltage Voc difference whether in claimed range, if not in scope, repeats this
Step operation completes calibration so that this normal cell piece is having test probe connection (to have probe to arrange until reaching claimed range
Shading) in the case of receive light intensity be 1000W/m2, corresponding acquisition the first calibration data A1.
Second step：One or three main grid cell pieces are provided and are connected to test equipment by testing probe, corresponding acquisition the second school
Quasi- data A2, debugs described test equipment and makes the second calibration data A2 (be similar to described first calibration number in range of error
According to A1.Specifically, as shown in Figure 2 b, three main grid cell pieces 20 are to be connected to test equipment by testing probe 101, pass through
Debugging test equipment makes the second calibration data A2 be similar to described first calibration data A1 in range of error, so that three main grids
The light intensity that cell piece 20 receives in the case of having test probe to connect (having probe to arrange shading) is 1000W/m2.
3rd step：Weld welding on the main grid of three main grid cell pieces, three main grid cell pieces are connected to by survey by welding
Examination equipment, corresponding acquisition the 3rd calibration data A3.Specifically, as shown in Figure 2 c, in all main grids of three main grid cell pieces 20
It is respectively welded welding 103, the width of welding 103 is identical with the width of main grid 102, the length of welding 103 is more than main grid on 102
102 length, so that welding 103 is completely covered the main grid 102 of cell piece and extends from the side of cell piece, reuses crocodile
All weldings 103 are connected to test equipment by clamp tool 104.Make the 3rd calibration data A3 by debugging test equipment in error
In the range of be similar to described second calibration data A2, so that three main grid cell pieces 20 are connecting (no probe row shading) by welding
In the case of the light intensity that receives be 1000W/m2.This step completes and for three main grid cell pieces to be connected to welding connection from probe
Calibration.
4th step：One or four main grid cell pieces are provided, welding is welded on the main grid of this four main grids cell piece, will by welding
Four main grid cell pieces are connected to test equipment, corresponding acquisition the 4th calibration data A4.Specifically, as shown in Figure 2 d, main four
Welding 303 is respectively welded on all main grids 302 of grid cell piece 30, the width of welding 303 is identical with the width of main grid 302, weldering
Length with 303 is more than the length of main grid 302 so that welding 303 is completely covered main grid 302 side from cell piece of cell piece
While extending, reusing crocodile clamp tool 104 and all weldings 303 are connected to the test equipment that the 3rd step alignment completes, this
When the light intensity that receives in the case of connect (no probe row shading) by welding of four main grid cell pieces 30 be 1000W/m2, right
The 4th calibration data A4 should be obtained.
5th step：Four main grid cell pieces are connected to test equipment by testing probe, corresponding acquisition the 5th calibration data
A5, debugs described test equipment and makes the 5th calibration data A5 be similar to described 4th calibration data A4 in range of error.Tool
Body ground, as shown in Figure 2 e, four main grid cell pieces 30 are to be connected to test equipment by testing probe 301, are surveyed by debugging
Examination equipment makes the 5th calibration data A5 be similar to described 4th calibration data A4 in range of error, so that four main grid cell pieces
30 light intensity receiving in the case of having test probe to connect (having probe to arrange shading) are 1000W/m2.This step complete by
Four main grid cell pieces are connected to the calibration of probe connection from welding.
In the embodiment above, calibration data A1, A2, A3, A4, A5 therein refer to the short circuit electricity of corresponding cell piece
Stream；That is, in calibration, main this parameter of short circuit current considering cell piece.In some other embodiments, calibration data
A1, A2, A3, A4, A5 can also be including short circuit current and open-circuit voltage；That is, in calibration, the main short circuit considering cell piece
Electric current and this two parameters of open-circuit voltage.
The calibration parameter of the test equipment obtaining according to above step is it is adaptable to test to four main grid cell pieces, complete
Become the calibration of test equipment.More than being based on, in the embodiment of the present invention, connect cell piece by using welding and tested, as
The intermediary of calibration, then realize the conversion between welding and probe test, between final realization difference main grid number of batteries
Mutual calibration.
In sum, the light intensity calibration method for solar battery sheet test equipment providing in the embodiment of the present invention,
It is mainly used in when the structure of newly-designed solar battery sheet changes and does not have the normal cell piece of this specification, pass through
Normal cell piece using existing size battery cell piece is calibrated to test equipment, and the calibration parameter obtaining test equipment is applied to
New size battery cell piece is tested.The method highly shortened demarcates calibration cycle to cell piece, improves demarcation school
Accurate motility, is conducive to manufacture of solar cells and R ＆ D Enterprises to improve R＆D and production efficiency.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
Obviously, protection scope of the present invention is not limited to the specific embodiment appealed, and those skilled in the art can
With invention is carried out various change and modification without departing from the spirit and scope of the present invention.So, if these of the present invention are repaiied
Change and belong within the scope of the claims in the present invention and its equivalent technologies with modification, then the present invention be also intended to comprise these change and
Including modification.
Claims (7)
1. a kind of light intensity calibration method for solar battery sheet test equipment is it is characterised in that include step：
S101, using the primary standard cell piece of the first size battery cell piece, test equipment is calibrated so that this primary standard
The light intensity that cell piece receives in the case of having test probe to connect is standard testing light intensity, corresponding acquisition the first calibration number
According to；
S102, it is connected to test equipment using one first size battery cell piece by testing probe, corresponding obtain the second calibration data；
Debug described test equipment so that the second calibration data is similar to described first calibration data in range of error so that this first
The light intensity that size battery cell piece receives in the case of having test probe to connect is standard testing light intensity；
S103, on the main grid of described first size battery cell piece weld welding, by welding will described first size battery cell piece company
It is connected to test equipment, corresponding acquisition the 3rd calibration data；Debug described test equipment and make the 3rd calibration data in range of error
Inside it is similar to described second calibration data so that this first size battery cell piece receives no testing in the case that probe connects
Light intensity is standard testing light intensity；
S104, on the main grid of one second size battery cell piece weld welding, by welding will described second size battery cell piece connection
To described test equipment so that this second size battery cell piece is standard no testing the light intensity receiving in the case that probe connects
Test light intensity, corresponding acquisition the 4th calibration data；
S105, described second size battery cell piece is connected to described test equipment by testing probe, corresponding obtains the 5th calibration
Data；Debug described test equipment so that the 5th calibration data is similar to described 4th calibration data in range of error, so that
The light intensity that second size battery cell piece receives in the case of having test probe to connect is standard testing light intensity, and final acquisition is described
The calibration parameter of test equipment is applied to tests to the second size battery cell piece；
Wherein, described first size battery cell piece and the second size battery cell piece are the cell piece with different main grid quantity.
2. the light intensity calibration method for solar battery sheet test equipment according to claim 1 is it is characterised in that institute
Stating the first size battery cell piece is three main grid cell pieces, and described second size battery cell piece is four main grid cell pieces.
3. the light intensity calibration method for solar battery sheet test equipment according to claim 1 is it is characterised in that weld
The welding being connected to cell piece is completely covered the main grid of cell piece and extends from the side of cell piece.
4. the light intensity calibration method for solar battery sheet test equipment according to claim 3 is it is characterised in that institute
State welding and described test equipment is connected to by crocodile clamp tool.
5. the light intensity calibration method for solar battery sheet test equipment according to claim 1 is it is characterised in that institute
Stating standard testing light intensity is 1000W/m2.
6. according to the arbitrary described light intensity calibration method for solar battery sheet test equipment of claim 1-5, its feature
It is, described calibration data is cell piece short circuit current.
7. according to the arbitrary described light intensity calibration method for solar battery sheet test equipment of claim 1-5, its feature
It is, described calibration data is cell piece short circuit current and open-circuit voltage.
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| CN103916072A (en) * | 2014-04-01 | 2014-07-09 | 福建省计量科学研究院 | Device and method for solar cell calibration |
| CN106788246A (en) * | 2016-11-30 | 2017-05-31 | 浙江创盛光能源有限公司 | A kind of tester light intensity uniformity detection calibration method |
| CN106533362B (en) * | 2016-12-30 | 2019-04-19 | 中建材浚鑫科技股份有限公司 | Photovoltaic module power test method |
| CN109037091B (en) * | 2018-06-12 | 2021-06-15 | 泰州隆基乐叶光伏科技有限公司 | Sliced battery reference piece and calibration method thereof |
| CN109347438A (en) * | 2018-09-27 | 2019-02-15 | 苏州润阳光伏科技有限公司 | A kind of test method of imbrication battery |
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| CN1768273B (en) * | 2003-04-04 | 2011-05-18 | Bp北美公司 | Performance monitor for a photovoltaic supply |
| CN102073006B (en) * | 2010-12-06 | 2012-12-05 | 英利能源（中国）有限公司 | Calibration method of electrical properties of solar cells |
| CN102778643B (en) * | 2012-07-12 | 2014-10-29 | 华中科技大学 | Equipment and method for measuring photovoltaic conversion characteristic parameters of photovoltaic solar battery |
| CN102928801A (en) * | 2012-11-19 | 2013-02-13 | 英利能源（中国）有限公司 | Calibration method for four-probe tester |
| CN103116065B (en) * | 2013-01-25 | 2015-08-19 | 合肥晶澳太阳能科技有限公司 | A kind of method of testing of solar photovoltaic assembly power |
| CN103944511A (en) * | 2014-04-22 | 2014-07-23 | 英利集团有限公司 | Calibration method for solar cells |
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