CN206117597U - Double -faced solar cell's testing arrangement - Google Patents
Double -faced solar cell's testing arrangement Download PDFInfo
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- CN206117597U CN206117597U CN201621192441.7U CN201621192441U CN206117597U CN 206117597 U CN206117597 U CN 206117597U CN 201621192441 U CN201621192441 U CN 201621192441U CN 206117597 U CN206117597 U CN 206117597U
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- solar cell
- double
- side solar
- test
- dark slide
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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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- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The utility model discloses a double -faced solar cell's testing arrangement, include: the sunlight simulator, the last probe that sets in a row, be used for the time contacting await measuring double -faced solar cell front electrode and back electrode respectively in test probe under and to and electrical test instrument, go up the probe and be connected its characterized in that through connecting wire and electrical test device electricity respectively with lower probe: the light screen that still includes a low reflectivity, the light screen is to wavelength 200 only adiactinic to 1500nm, to wavelength 200 to 1500nm's reflection of light rate <= 5%, and during the test, the light screen sets up in the double -faced solar cell's who awaits measuring below, with solar battery's out -of -the -way surface parallel and interval <= 3mm. The utility model discloses the influence of reflection, scattering, transmitted light can be got rid of effectively, accurate test result is obtained, simultaneously, use in a flexible way, application scope is wide.
Description
Technical field
This utility model is related to a kind of test device of solar cell, more particularly to a kind of test dress of double-side solar cell
Put, belong to solar cell technical field of performance test.
Background technology
Relative to the conventional crystal silicon solar cell of one side light, double-side solar cell using just, two sensitive surfaces of the back of the body, can
To obtain higher density of photocurrent, generated output is largely improved.According to ground and environment is installed, based on the two-sided sun
The photovoltaic generating system of battery can obtain 10 to 30% power gain.
The electrical performance testing of solar cell（Such as, electric current-voltage tester）It is the important channel for assessing solar cell performance.
In volume production, it usually needs the every a piece of solar cell that manufacture is completed is tested, by key parameters such as conversion efficiencies shelves are sorted
Position.For the electrical performance testing of one side solar cell, traditional test machine is arranged using upper and lower both sides probe, is contacted respectively too
The front and back electrode in positive electricity pond.Under standard test condition, the solar simulator above battery launches illumination and is mapped to battery
Front, while electrical testing instrument is tested, obtains electric current-voltage curve and analyzes Specifeca tion speeification.The one side sun
Cell backside is typically covered, typically with metal layers covering, and the light of the etalon optical power of solar simulator transmitting is only absorbed by its front, because
This above-mentioned method of testing can exactly test its electric property.
The characteristic and device architecture of double-side solar cell generating electricity on two sides, new requirement is proposed to electrical performance testing and is asked
Topic.The electric property of double-side solar cell front and back needs to test respectively, that is, it is non-receiving that must define the back side when testing front performance
Bright finish（Or it is non-illuminated surface that must define front during test back side performance）.However, solar simulator launches light via test
The reflection of machine inside part, scattering, reach the back side of double-side solar cell and are absorbed.In addition, being irradiated to positive light（Mainly
It is the light of long wavelength）Can be transmitted through solar cell.The light for transmiting is via the environment and thing in back of solar cell certain space
Body reflection, scattering, can again return back of solar cell and be absorbed.The light that this two parts absorbs will produce extra photoelectricity
Stream so that the electrical testing result under standard test condition becomes inaccurate.Existing relevant double-side solar cell method of testing,
Such as in notification number is for the Chinese utility model patent file of the B of CN 102830364, a kind of generating electricity on two sides solar-electricity is disclosed
The measuring method in pond, although it forms non-illuminated surface dark surrounds by using the test platform or black box of integrating downside probe,
But cannot compatible different size, the solar cell test of Different electrodes figure, restricted application.Accordingly, it would be desirable to design one kind
Double-side solar cell electrical performance test method, is used in the test of the double-side solar cell of different size and electrode pattern.
The utility model proposes double-side solar cell electrical performance test method, reflection, scattering, thoroughly can be effectively excluded
The impact of light is penetrated, accurate test result is obtained.Neatly arranged using dark slide and probe, can with compatible different size, no
With the double-side solar cell of electrode pattern.
The content of the invention
This utility model is in prior art, the above-mentioned technical problem of the method for testing presence of double-side solar cell is carried
For a kind of test device of double-side solar cell, the impact of reflection, scattering, transmitted light can be effectively excluded, obtain accurate
Test result；Meanwhile, can be with compatible different size, the double-side solar cell of Different electrodes figure.
For this purpose, this utility model is adopted the following technical scheme that：
A kind of test device of double-side solar cell, including：Solar simulator, it is setting in a row, for test when
The upper probe and lower probe of contact measured double-side solar cell front electrode and backplate, and electrical testing instrument respectively,
The upper probe and lower probe are electrically connected respectively by connecting wire with electrical testing device, it is characterised in that：Also include that one is low
The dark slide of reflectance, the dark slide is just lighttight for wavelength 200 to 1500nm, for wavelength 200 to
Reflectance≤5% of the light of 1500nm, during test, the dark slide is arranged at the lower section of double-side solar cell to be measured, with the sun
The surface of battery is parallel and spacing≤3mm.
Further, the material of the dark slide is plastics, paper, wood, glass or metal.
Further, the shading board size is more than double-side solar cell to be measured, and each edge of dark slide exceeds
Each edge of double-side solar cell to be measured.
Further, each edge 1-5 mm mm of each edge of the dark slide beyond double-side solar cell to be measured.
Further, in dark slide, correspond respectively to the front electrode of double-side solar cell to be measured, backplate and
Through hole is provided with lower probe, during test, the lower probe is electric with the front of double-side solar cell to be measured through those through holes
Pole or backplate are contacted.
This utility model is close to the double-side solar cell back side to be measured and is placed by using the dark slide of antiradar reflectivity, has
Transmitting, scattering of the light that solar simulator is launched via tester table inner part and environment is prevented to effect, arrival is two-sided too
The back side in positive electricity pond；Prevent the light for transmiting double-side solar cell from reflecting, scattering via environment and object simultaneously, return again too
Positive cell backside；Reflection, scattering, the impact of transmitted light in by excluding test process, it is possible to obtain accurate test result.Together
When, arranged according to the size and electrode of double-side solar cell, the dark slide of the antiradar reflectivity of different size can be designed and process,
It is applied widely so as to compatible different size, the test of the double-side solar cell of Different electrodes figure.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure, 101 is solar simulator, and 102 is upper probe, and 103 is lower probe, and 104 is dark slide, and 105 is to be measured
Double-side solar cell, 106 is connecting wire, and 107 is electrical testing instrument, and 108 is through hole.
Specific embodiment
This utility model is described in further detail below in conjunction with the drawings and specific embodiments, in this utility model with it is existing
There is the technology identical part will be with reference to prior art.
Embodiment 1
As shown in figure 1, the test device of double-side solar cell of the present utility model, including：Solar simulator 101, into
Upper probe 102 that row is arranged, for distinguishing the front electrode of contact measured double-side solar cell 105 and backplate in test
With lower probe 103, and electrical testing instrument 107, upper probe 102 and lower probe 103 are respectively by connecting wire 106 and electricity
Test device 107 is electrically connected, also including the dark slide 104 of one piece of antiradar reflectivity, the dark slide 104 for wavelength 200 to
1500nm's is just lighttight, and for reflectance≤5% of the light of wavelength 200 to 1500nm, during test, dark slide is arranged at
The lower section of double-side solar cell to be measured, and spacing≤3mm parallel with the back surface of solar cell.
The material of dark slide 104 can be plastics, paper, wood, glass or metal；In principle, as long as reflectance can reach
The material of requirement is stated, be may serve to as dark slide of the present utility model.
The size of dark slide 104 be more than double-side solar cell to be measured, and each edge of dark slide beyond it is to be measured it is two-sided too
Each edge in positive electricity pond.Preferably, each edge 2 mm of each edge of dark slide beyond double-side solar cell to be measured, limited
In size, with optimal shading and anti-reflection effect.
In dark slide, correspond respectively at front electrode, backplate and the lower probe of double-side solar cell to be measured
Through hole 108 is provided with, during test, the lower probe 103 passes through the front electrode of those through holes and double-side solar cell to be measured
Or backplate contact.Specifically, when the front electric property of testing solar battery, lower probe 103 is through through hole 108 and too
The backplate contact in positive electricity pond；When the back side electrical performance of testing solar battery, lower probe 103 is through through hole 108 and too
The front electrode contact in positive electricity pond.The setting of through hole 108 is corresponding to the electrode of the solar cell and the distribution feelings of lower probe
Condition, makes it possible to reach above-mentioned test request.
Using the test device of double-side solar cell of the present utility model, test process is comprised the steps of：
S1：Double-side solar cell to be measured is faced up, the dark slide of antiradar reflectivity is placed in parallel in solar cell lower section,
Dark slide is parallel with solar cell and spacing≤3mm；
S2：Probe is set to contact with the front electrode of double-side solar cell；
S3：Lower probe is set to contact with the backplate of double-side solar cell by the through hole of dark slide of antiradar reflectivity；
S4：Under standard test condition, the front electric property of testing two-sided solar cell；The standard test condition
For：25 DEG C of temperature, irradiation intensity 1000W/cm2。
S5：Upset double-side solar cell is allowed to back side up, and the dark slide of antiradar reflectivity is placed in parallel in into solar cell
Lower section, dark slide is parallel with solar cell and spacing≤3mm；
S6：Probe is set to contact with the backplate of double-side solar cell；
S7：Lower probe is set to contact with the front electrode of double-side solar cell by the through hole of dark slide of antiradar reflectivity；
S8：Under standard test condition, the back side electrical performance of testing two-sided solar cell.
The standard test condition is：25 DEG C of temperature, irradiation intensity 1000W/cm2。
The surface of the dark slide by using antiradar reflectivity of the present utility model, dark slide and solar cell relatively closely between
Away from setting, can effectively prevent the reflection of tester table inner part and environment, scatter light to the back side up to double-side solar cell；Adopt
Transmitted light can be effectively reduced with the dark slide of antiradar reflectivity and re-emit back solar cell, so as to reduce extra light radiation pair
The impact of test accuracy, obtains accurate test result.As shown in table 1.
Under the standard test condition of table 1., measured double-side cell front and back unit for electrical property parameters is set with/without dark slide.
Claims (5)
1. a kind of test device of double-side solar cell, including：Solar simulator, it is setting in a row, for test the time-division
The upper probe and lower probe of other contact measured double-side solar cell front electrode and backplate, and electrical testing instrument, institute
State probe and lower probe electrically connected respectively by connecting wire with electrical testing device, it is characterised in that：Also include that one is low anti-
The dark slide of rate is penetrated, the dark slide is just lighttight for wavelength 200 to 1500nm, for wavelength 200 to 1500nm
Light reflectance≤5%, during test, the dark slide is arranged at the lower section of double-side solar cell to be measured, with solar cell
Back surface is parallel and spacing≤3mm.
2. the test device of double-side solar cell according to claim 1, it is characterised in that：The material of the dark slide is
Plastics, paper, wood, glass or metal.
3. the test device of double-side solar cell according to claim 1, it is characterised in that：The shading board size is more than
Double-side solar cell to be measured, and each edge of dark slide is beyond each edge of double-side solar cell to be measured.
4. the test device of double-side solar cell according to claim 3, it is characterised in that：The each edge of the dark slide surpasses
Go out each edge 1-5 mm of double-side solar cell to be measured.
5. the test device of double-side solar cell according to claim 1, it is characterised in that：It is right respectively in dark slide
Through hole should be provided with the front electrode of double-side solar cell to be measured, backplate and lower probe, during test, the test
Pin is contacted through those through holes with the front electrode or backplate of double-side solar cell to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621192441.7U CN206117597U (en) | 2016-11-06 | 2016-11-06 | Double -faced solar cell's testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621192441.7U CN206117597U (en) | 2016-11-06 | 2016-11-06 | Double -faced solar cell's testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN206117597U true CN206117597U (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621192441.7U Active CN206117597U (en) | 2016-11-06 | 2016-11-06 | Double -faced solar cell's testing arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452361A (en) * | 2016-11-06 | 2017-02-22 | 常州天合光能有限公司 | Testing device for double-surface solar battery and testing method of testing device |
| CN107483011A (en) * | 2017-08-25 | 2017-12-15 | 泰州隆基乐叶光伏科技有限公司 | The testboard of double-sided solar battery quantum efficiency |
-
2016
- 2016-11-06 CN CN201621192441.7U patent/CN206117597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452361A (en) * | 2016-11-06 | 2017-02-22 | 常州天合光能有限公司 | Testing device for double-surface solar battery and testing method of testing device |
| CN107483011A (en) * | 2017-08-25 | 2017-12-15 | 泰州隆基乐叶光伏科技有限公司 | The testboard of double-sided solar battery quantum efficiency |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: TRINA SOLAR Co.,Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: trina solar Ltd. Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: trina solar Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. |