CN207475488U - A kind of solar battery sheet test device - Google Patents
A kind of solar battery sheet test device Download PDFInfo
- Publication number
- CN207475488U CN207475488U CN201721468061.6U CN201721468061U CN207475488U CN 207475488 U CN207475488 U CN 207475488U CN 201721468061 U CN201721468061 U CN 201721468061U CN 207475488 U CN207475488 U CN 207475488U
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- CN
- China
- Prior art keywords
- solar battery
- battery sheet
- light
- light blocking
- blocking unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of solar battery sheet test devices, including emitting light source, lighttight light blocking unit, by setting lighttight light blocking unit, be provided on light blocking unit for light by entrance aperture, i.e. light blocking unit can block the position of other except solar battery sheet, it can so ensure that light can only be incident on solar battery sheet surface through entrance aperture, rather than other positions except solar battery sheet, therefore, it can be to avoid the unnecessary light reflection in other positions, so that the light intensity that cell piece receives is more accurate, the error of EQE test results can be reduced, improving leads to the accuracy of the judgement to solar cell piece performance；Moreover, lighttight light blocking unit, is also prevented from other unrelated light and forms interference to solar battery sheet.
Description
Technical field
The utility model is related to photovoltaic cell performance testing field more particularly to a kind of solar battery sheet test devices.
Background technology
In the production technology of high efficiency crystal silicon heterojunction (SHJ) solar cell, dependence test can be done to cell piece
Judge the external quantum efficiency (EQE of its function admirable, especially solar battery sheet：External Quantum
Efficiency it) tests, needs to irradiate solar battery sheet by light source, so as to monitor absorption feelings of the solar battery sheet to light
Condition.
In the process of test, being frequently found test result can be inclined than the practical external quantum efficiency using process of cell piece
Greatly, by repeatedly the study found that be because cell piece not only absorbs and is incident on the light on each cell piece surface in test process,
Also the light being incident between each cell piece is absorbed, tester can be reflected by being incident on the light between each cell piece
It in mirror, is re-reflected at cell piece in mirror, therefore, is incident on constantly electric after the light between each cell piece is reflected
Pond piece absorbs, and so recycles, and light is equivalent to incident intensity and is increased to a certain degree relative to etalon optical power by reflecting for several times
Greatly, especially incident light is apparent for visible light wave range (600-900nm) performance, (under normal circumstances, too absorptivity is more than 100%
Sunlight absorption rate is up to 100%), EQE test results error to be caused to increase, and then lead to the erroneous judgement to SHJ battery piece performances.
Utility model content
The purpose of this utility model is to provide a kind of solar battery sheet test device, to solve of the prior art ask
Topic so that the light intensity received at cell piece is more accurate.
The utility model provides a kind of solar battery sheet test device, and the solar battery sheet test device includes
Emit light source, lighttight light blocking unit, the transmitting light source with being located at institute respectively for receiving the solar battery sheet of light
State the opposite sides of light blocking unit, be provided on the light blocking unit for light by entrance aperture.
Preferably, the light blocking unit is the black light blocking plate made of polystyrene.
Preferably, the area of the entrance aperture is less than or equal to the area of the solar battery sheet.
Preferably, the light blocking unit is additionally provided with the through-hole passed through for probe.
Preferably, the entrance aperture is both provided with multiple with through-hole, multiple entrance aperture are evenly spaced in multiple through-holes
On light blocking unit.
Preferably, the solar battery sheet test device further includes stent, light blocking unit is set on the bracket.
Preferably, the bracket first end setting is on the ground, second end is extended to above solar battery sheet, and light blocking
Unit is located at bracket second end.
It is put down preferably, the solar battery sheet test device further includes for placing the work of solar battery sheet
Platform.
Preferably, the solar battery sheet test device further includes optical detector, the optical detector is arranged on work
Make on platform.
Preferably, the solar battery sheet test device further includes black box, the transmitting light source, light blocking unit with too
Positive energy cell piece is arranged in the black box.
Solar battery sheet test device provided by the utility model, by setting lighttight light blocking unit, light blocking list
Be provided in member for light by entrance aperture, received by the light of entrance aperture by solar battery sheet；Light blocking unit can
To be blocked to other positions except solar battery sheet, it can so ensure that light can only be incident on the sun through entrance aperture
Energy cell piece surface, and other positions except solar battery sheet can not then receive light, it can thus be avoided other portions
The unnecessary light reflection in position, so that the light intensity that cell piece receives is more accurate, can reduce the error of EQE test results,
Improving leads to the accuracy of the judgement to solar cell piece performance；Moreover, lighttight light blocking unit, is also prevented from other
Unrelated light forms solar battery sheet and interferes.
Description of the drawings
Fig. 1 is the structure diagram of solar battery sheet test device that the utility model embodiment provides；
Fig. 2 is the structure diagram of light blocking unit that another embodiment of the utility model provides；
Fig. 3 is the structure diagram of solar battery sheet test device that another embodiment of the utility model provides.
Reference sign：
1- emits light source, 2- stents, 3- light blocking units, 31- entrance aperture, 32- through-holes, 4- solar-electricities
Pond piece, 5- workbenches.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
As shown in Fig. 2, also can be found in Fig. 3, the utility model embodiment provides a kind of solar battery sheet test device,
The solar battery sheet test device includes transmitting light source 1, lighttight light blocking unit 3, and the transmitting light source 1 connects with being used for
The solar battery sheet 4 for receiving light is located at the opposite sides of the light blocking unit 3 respectively, is set on the light blocking unit 3 useful
In light by entrance aperture 31, preferably, the entrance aperture 31 and 4 face of solar battery sheet, certainly, this field
Technical staff it is found that entrance aperture 31 also can with the not face of solar battery sheet 4, as long as ensuring the light through entrance aperture by solar energy
Cell piece 4 completely receives.Preferably, the light blocking unit 3 is the black light blocking plate made of polystyrene.As excellent
Choosing, the area of the entrance aperture 31 are less than or equal to the area of the solar battery sheet 4.
Wherein, due to that in practical operation, can be laid with the solar battery sheet 4 of multiple arrangements simultaneously, transmitting light source 1 irradiates
When, the light for being incident on each cell piece surface is absorbed, and the light being incident between each cell piece will not then be absorbed,
It can be reflected into the mirror of tester, be re-reflected at cell piece in mirror instead, so be recycled, light passes through to be reflected for several times,
The light for eventually arriving at solar battery sheet 4 has increase than etalon optical power, and test result i.e. can be inaccurate；
Therefore, solar battery sheet test device provided by the utility model, by setting lighttight light blocking unit 3,
Be provided on light blocking unit 3 for light by entrance aperture 31, connect by the light of entrance aperture 31 by solar battery sheet 4
It receives；I.e. light blocking unit 3 can block other positions except solar battery sheet 4, can so ensure light through entering
Perforation 31 can only be incident on 4 surface of solar battery sheet, and other positions except solar battery sheet 4 can not then receive light
Line, it can thus be avoided the unnecessary light reflection in other positions, so that the light intensity that cell piece receives is more accurate, it can
Reduce the error of EQE test results, improve the accuracy for leading to the judgement to SHJ battery piece performances；Moreover, lighttight light blocking
Unit 3 is also prevented from other unrelated light and forms interference to solar battery sheet 4；In addition, in practical operation, solar-electricity
4 peripheral region of pond piece can there are a parts cannot carry out photoelectric conversion, therefore, to improve light utilization, by the face of entrance aperture 31
Product is set smaller than the area equal to solar battery sheet 4, that is, so that the light by entrance aperture 31 is all incident to as far as possible
Solar battery sheet 4 it is effective by optical range, it is made to be utilized effectively.
Emit light source 1 can simulated solar lamp, and by the area of entrance aperture 31 be less than or equal to solar battery sheet 4 area,
It is in order to ensure the light through entrance aperture 31 can only be incident upon 4 surface of solar battery sheet, prevents from being incident to other positions and cause
It influences；The material of light blocking unit 3 is formed for black polystyrene (can be, but not limited to this material) and the mixing of other organic materials,
Size is 160mm*160mm (can be, but not limited to this size), and four angles can do chamfered.
Preferably, the light blocking unit 3 is additionally provided with the through-hole 32 passed through for probe.Preferably, the incidence
Hole 31 is both provided with multiple with through-hole 32, and multiple entrance aperture 31 and multiple through-holes 32 are evenly spaced on light blocking unit 3.
Wherein, for passing through probe, probe is used to contact to form electricity with 4 surface main gate line of solar battery sheet through-hole 32
Connection, so as to measure, 32 size of through-hole is general 1mm*30mm (can be, but not limited to this size)；And the ruler of entrance aperture 31
Very little generally 10mm*10mm (can be, but not limited to this size), can be set according to the flexible in size of solar battery sheet 4；Entirely
Light blocking unit 3 can set 9 positions, and each position sets a through-hole 32 and an entrance aperture 31 (to can be, but not limited to 9 positions
It puts).
As shown in Figure 1, preferably, the solar battery sheet test device further includes stent 2, light blocking unit 3 is set
On the stent 2.Preferably, 2 first end of the stent setting is on the ground, second end is extended on solar battery sheet 4
Side, and light blocking unit 3 is located at 2 second end of stent.Stent 2 can set on the ground, also may be used for fixing light blocking unit 3
To be arranged on furred ceiling, flexibly setting according to actual needs.
It is put down preferably, the solar battery sheet test device further includes for placing the work of solar battery sheet 4
Platform 5.Preferably, the solar battery sheet test device further includes optical detector, the optical detector is arranged on work and puts down
On platform 5.Optical detector can test transmitting to the light intensity on solar battery sheet 4.
Preferably, the solar battery sheet test device further includes black box, the transmitting light source 1, light blocking unit 3 with
Solar battery sheet 4 is arranged in the black box.It, can be entire the utility model to prevent the interference of other unrelated light
Device prevent black box, ensure the accuracy of test result.
The structure, feature and effect of the utility model are described in detail based on the embodiments shown in the drawings, with
Upper described is only the preferred embodiment of the utility model, but the utility model is to limit practical range shown in drawing, it is every according to
Change that conception according to the utility model is made or the equivalent embodiment for being revised as equivalent variations, still without departing from specification and figure
When showing covered spirit, it should be within the protection scope of the present utility model.
Claims (9)
1. a kind of solar battery sheet test device, which is characterized in that the solar battery sheet test device includes transmitting light
Source, lighttight light blocking unit, the transmitting light source with being located at the light blocking respectively for receiving the solar battery sheet of light
The opposite sides of unit, be provided on the light blocking unit for light by entrance aperture；
The light blocking unit is additionally provided with the through-hole passed through for probe.
2. solar battery sheet test device according to claim 1, which is characterized in that the light blocking unit is by polyphenyl
Black light blocking plate made of ethylene.
3. solar battery sheet test device according to claim 1, which is characterized in that the area of the entrance aperture is less than
Equal to the area of the solar battery sheet.
4. solar battery sheet test device according to claim 1, which is characterized in that the entrance aperture is all provided with through-hole
It is equipped with multiple, multiple entrance aperture and multiple through-holes are evenly spaced on light blocking unit.
5. solar battery sheet test device according to claim 1, which is characterized in that the solar cell built-in testing
Device further includes stent, and light blocking unit is set on the bracket.
6. solar battery sheet test device according to claim 5, which is characterized in that the bracket first end is arranged on
On ground, second end is extended to above solar battery sheet, and light blocking unit is located at bracket second end.
7. solar battery sheet test device according to claim 1, which is characterized in that the solar cell built-in testing
Device further includes the workbench for placing solar battery sheet.
8. solar battery sheet test device according to claim 7, which is characterized in that the solar cell built-in testing
Device further includes optical detector, and the optical detector is arranged on workbench.
9. according to claim 1-8 any one of them solar battery sheet test devices, which is characterized in that the solar-electricity
Pond built-in testing device further includes black box, and the transmitting light source, light blocking unit and solar battery sheet are arranged in the black box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721468061.6U CN207475488U (en) | 2017-11-06 | 2017-11-06 | A kind of solar battery sheet test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721468061.6U CN207475488U (en) | 2017-11-06 | 2017-11-06 | A kind of solar battery sheet test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475488U true CN207475488U (en) | 2018-06-08 |
Family
ID=62263141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721468061.6U Active CN207475488U (en) | 2017-11-06 | 2017-11-06 | A kind of solar battery sheet test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809987A (en) * | 2021-08-25 | 2021-12-17 | 常州亚玛顿股份有限公司 | Method for improving quantum efficiency test accuracy of photovoltaic device |
-
2017
- 2017-11-06 CN CN201721468061.6U patent/CN207475488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809987A (en) * | 2021-08-25 | 2021-12-17 | 常州亚玛顿股份有限公司 | Method for improving quantum efficiency test accuracy of photovoltaic device |
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Effective date of registration: 20201228 Address after: 101102 102-lq307, 1-3 / F, building 26, 17 huanke Middle Road, Jinqiao Science and technology industrial base, Tongzhou Park, Zhongguancun Science and Technology Park, Tongzhou District, Beijing Patentee after: Deyun Chuangxin (Beijing) Technology Co.,Ltd. Address before: 100176 Beijing Daxing District Beijing Economic and Technological Development Zone, No. 66 Building, No. 2 Jingyuan North Street, 7th Floor 805 Patentee before: Juntai innovation (Beijing) Technology Co.,Ltd. |