CN106130482A - A kind of photovoltaic module is super accelerates thermal cycling ageing assay device - Google Patents
A kind of photovoltaic module is super accelerates thermal cycling ageing assay device Download PDFInfo
- Publication number
- CN106130482A CN106130482A CN201610619106.9A CN201610619106A CN106130482A CN 106130482 A CN106130482 A CN 106130482A CN 201610619106 A CN201610619106 A CN 201610619106A CN 106130482 A CN106130482 A CN 106130482A
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- photovoltaic module
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- thermal cycling
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- assay device
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- 230000032683 aging Effects 0.000 title claims abstract description 30
- 238000005382 thermal cycling Methods 0.000 title claims abstract description 18
- 238000003556 assay Methods 0.000 title claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims abstract description 38
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 230000001133 acceleration Effects 0.000 claims abstract description 3
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 24
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
- H02S50/15—Testing of PV devices, e.g. of PV modules or single PV cells using optical means, e.g. using electroluminescence
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides a kind of photovoltaic module thermal cycling ageing assay device of super acceleration, including outdoor section and indoor section, described outdoor section includes heliostat；Described indoor section includes optical shutter, parabolic reflector, secondary condenser, photovoltaic module receptor, control unit, driving motor, the concave surface of described parabolic reflector is down, described secondary condenser is located at immediately below parabolic reflector, described photovoltaic module receptor is located at immediately below secondary condenser, and described optical shutter is located at immediately below photovoltaic module receptor；Described control unit is electric connection with photovoltaic module receptor and driving motor, drives the output shaft end of motor to be provided with a gear B, and described gear B engages with gear A.The present invention is applicable not only to ordinary flat photovoltaic module, it may also be used for the experimental study of condensation photovoltaic module, it addition, only need simple operations also can be used instead by this device in high power concentrating photovoltaic electricity generation system, improves the utilization ratio of testing equipment.
Description
Technical field
The present invention relates to a kind of photovoltaic module ageing test apparatus, be specifically related to the super acceleration thermal cycle of a kind of photovoltaic module old
Change assay device, belong to solar photovoltaic assembly detection technique field.
Background technology
Solar energy power generating is research neck with fastest developing speed, most active in the numerous Land use systems of solar energy in recent years
Territory.Photovoltaic generation is a kind of generation mode that solar energy is converted into electric energy, and the various aspects in people's productive life obtain
To being widely applied, photovoltaic module is then the core component realizing photovoltaic generation.Owing to photovoltaic module longtime running is in open air,
Thus assembly can be affected by outdoor climatic environmental factor.In order to ensure the stability of photovoltaic module life-time service, thus need
Photovoltaic module bearing temperature mismatch to be measured, the aging and ability of other stress caused because of the variations in temperature repeated, i.e. want
Photovoltaic module is carried out thermal cycling ageing test, to ensure that it all has stable generating under different weather and outdoor conditions
Energy.
At present, people generally use following two method to investigate the long-term reliability of photovoltaic module: one be outdoor from
So aging testing method, i.e. directly utilizes the degradation that natural environment is carried out, and its advantage is that outdoor environment is true, result of the test
Reliably, shortcoming is that the natural aging cycle is relatively long, and the diversity of different year, local climate condition in season result in
The non comparability of result of the test.Another kind is artificial accelerated aging test method, i.e. simulates at the specific ageing oven of indoor utilization
The degradation that some aging action of natural environmental condition is carried out, its advantage is to compare outdoor natural ageing test, test week
Phase substantially shortens, and experimental condition is controlled, and result of the test reproducibility is strong, and shortcoming is can not to simulate open air completely in ageing oven
Weather conditions, the true and reliable property of result of the test is still disagreed.
Concrete, in existing thermal cycling ageing proof box, use the work of the mode simulated light photovoltaic assembly of Heat artificially
Making temperature, Crystalline Silicon PV Module design in IEC61215 ground to be completed receives with standard of perfection and IEC62108 Photospot solar
Device and assembly design circulation required with standard of perfection sum still need to the longer time.It addition, usual thermal cycling test case does not has
There is illumination, for the simulation real operating mode of outdoor battery, also need the DC source outside using to provide reciprocal rated current to inject
Battery, test procedure is complicated.Finally, conventional thermocy ageing oven generally uses compressor and freezes, and structure is complicated, destroy ring
Border.
Summary of the invention
It is an object of the invention to, overcome the deficiencies in the prior art, it is provided that the super heat of accelerating of a kind of photovoltaic module is followed
Ring ageing test apparatus, solve that photovoltaic module outdoor aging test is time-consuming long, indoor accelerated aging test simulating natural environment because of
The problems such as element difference and test operation program complexity.
The present invention solves that the technical solution that above-mentioned technical problem is taked is:
A kind of photovoltaic module is super accelerates thermal cycling ageing assay device, including outdoor section and indoor section, described outdoor
Part includes heliostat；Described indoor section include optical shutter, parabolic reflector, secondary condenser, photovoltaic module receptor,
Control unit, driving motor, down, described secondary condenser is just being located at parabolic reflector to the concave surface of described parabolic reflector
Lower section, described photovoltaic module receptor is located at immediately below secondary condenser, described optical shutter be located at photovoltaic module receptor just under
Side；The quantity of optical shutter is at least 2, and the central shaft of optical shutter is provided with rotating rotating shaft, between adjacent two optical shutters
Rotating shaft connected by chain, when optical shutter turns to horizontal level, two optical shutters of arbitrary neighborhood are connected；Described wherein
Roller end on one optical shutter is provided with a gear A；Described control unit is equal with photovoltaic module receptor and driving motor
For being electrically connected with, driving the output shaft end of motor to be provided with a gear B, described gear B engages with gear A.
Further, the cross section of described secondary condenser is trapezoidal, and described trapezoidal upper base length is more than bottom length.
Further, the Breadth Maximum of described photovoltaic module receptor is less than or equal to the length of described secondary condenser bottom
Degree.
Further, described photovoltaic module receptor includes selective coating, photovoltaic module, thermoelectric (al) cooler and temperature sensing
Device, described photovoltaic module upper surface is provided with selective coating, and described photovoltaic module lower surface is provided with thermoelectric (al) cooler, thermoelectric-cooled
Device is electrically connected with control unit, and described photovoltaic module is provided with temperature sensor, and temperature sensor electrically connects with control unit
Connect.
Further, described parabolic reflector is dish-style condenser or slot-type optical collector.
Further, described selective coating is nano-aluminium oxide or tin ash.
Further, described photovoltaic module is ordinary flat photovoltaic module or condensation photovoltaic module.
Further, described thermoelectric (al) cooler is PN type semiconductor device.
With prior art mutually this, the invention has the beneficial effects as follows:
(1) compared with the thermal cycling ageing case that indoor are traditional, the present invention directly utilizes natural sunlight and radiates the heat that can convert
Can be as the thermal source of thermal cycling ageing test, the most identical with photovoltaic module actual working environment, result of the test more truly may be used
Leaning on, and need not external power source injection current, test procedure is simpler；Compared with outdoor aging test, poly-owing to using
Light technology will make the test period substantially shorten, and improve sampling test efficiency and equipment service efficiency.
(2) use solar spectrum frequency splitting technology, the ultraviolet portion in sunlight is filtered, eliminates ultraviolet factor and heat is followed
The impact that ring test produces.
(3) this assay device is applicable not only to ordinary flat photovoltaic module, it may also be used for the test of condensation photovoltaic module
Research, it addition, only need simple operations also can use this device in high power concentrating photovoltaic electricity generation system instead, improves testing equipment
Utilization ratio.
Accompanying drawing explanation
Fig. 1 is structure and the principle schematic of apparatus of the present invention.
Fig. 2 is structure and the principle schematic of photovoltaic module receptor in the present invention.
Wherein, 1-heliostat, 2-optical shutter, 3-parabolic reflector, 4-secondary condenser, 5-photovoltaic module receptor,
6-control unit, 7-drive motor, 8-selective coating, 9-photovoltaic module, 10-thermoelectric (al) cooler, 11-temperature sensor
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of photovoltaic module is super accelerates thermal cycling ageing assay device, including outdoor section and chamber interior
Point, described outdoor section includes heliostat 1；Described indoor section include optical shutter 2, parabolic reflector 3, secondary condenser 4,
Photovoltaic module receptor 5, control unit 6, drive motor 7, the concave surface of described parabolic reflector 3 down, described secondary condensation
Device 4 is located at immediately below parabolic reflector 3, and described photovoltaic module receptor 5 is located at immediately below secondary condenser 4, and described light is fast
Door 2 is located at immediately below photovoltaic module receptor 5；The quantity of optical shutter 2 is at least 2, and the central shaft of optical shutter 2 is provided with and can turn
Dynamic rotating shaft (i.e. optical shutter 2 can rotate around the axis), the rotating shaft between adjacent two optical shutters 2 is connected by chain (therefore may be used
When rotating with wherein optical shutter 2, other optical shutter 2 synchronous axial system), chain to arrange with shaft end as optimum, this
Time, chain will not stop passing through of light；When optical shutter 2 turns to horizontal level, two optical shutters 2 of arbitrary neighborhood are connected
(i.e. no longer having gap between two optical shutters 2 of arbitrary neighborhood, light cannot pass through)；Turning on one of them optical shutter 2 described
Shaft end is provided with a gear A；Described control unit 6 is electric connection with photovoltaic module receptor 5 and driving motor 7, drives
The output shaft end of galvanic electricity machine 7 is provided with a gear B, and described gear B engages with gear A, so in the control driving motor 7
Under, all of optical shutter 2 can realize synchronization, same to angular turn, is beneficial to control to reflex to parabolic reflector 3 from heliostat 1
The throughput of sunray.Optical shutter 2 is with laminated structure preferred aspect, and can be especially rectangular sheet structure, this rectangular sheet
Shape structure can function well as the effect stopping that sunlight passes through, and in the present invention, all of optical shutter 2 with parallel to each other is
Optimum state.
The sectional view of Fig. 1 actually present invention, as it is shown in figure 1, the cross section of described secondary condenser 4 is trapezoidal, described trapezoidal
Upper base length more than bottom length.
The Breadth Maximum of described photovoltaic module receptor 5 is less than or equal to the length of described secondary condenser 4 bottom.
As in figure 2 it is shown, described photovoltaic module receptor 5 includes selective coating 8, photovoltaic module 9, thermoelectric (al) cooler 10 and
Temperature sensor 11, described photovoltaic module 9 upper surface is provided with selective coating 8, and described photovoltaic module 9 lower surface is provided with thermoelectric cold
But device 10, thermoelectric (al) cooler 10 is electrically connected with control unit 6, and described photovoltaic module 9 is provided with temperature sensor 11, and temperature passes
Sensor 11 is electrically connected with control unit 6.
Described parabolic reflector 3 is dish-style condenser or slot-type optical collector.
Described selective coating 8 is nano-aluminium oxide or tin ash.
Described photovoltaic module 9 is ordinary flat photovoltaic module or condensation photovoltaic module.
Described thermoelectric (al) cooler 10 is PN type semiconductor device.
The operation principle of the present invention is:
Heliostat 1 reflection that sunlight is followed the tracks of by outdoor band imports on indoor parabolic reflector 3, and parabola is anti-
The light that light microscopic 3 converges reflexes to secondary condenser 4, and light converges to photovoltaic module further after passing secondary condenser 4 and connects
Receive on device 5, for the variations in temperature of the repetition that the photovoltaic module 9 in simulated light photovoltaic assembly receptor 5 bears, heliostat 1 He
The optical shutter 2 driving motor 7 to control it is provided with, so that the temperature of tested photovoltaic module 9 is minimum between parabolic reflector 3
Temperature (optical shutter 2 is horizontal, when i.e. the throughput of light is 0) and maximum temperature (optical shutter 2 is in vertical position,
During the throughput maximum of i.e. light) between circulate, maximum temperature, minimum temperature choose and between the two the speed of variations in temperature with
And residence time is provided by the heliostat 1 in this device and parabolic reflector 3 under each extreme temperature focusing ratio, quilt
Temperature tolerance and the safety of light-metering photovoltaic assembly 9 determine.Additionally, be arranged on parabolic reflector 3 and photovoltaic module reception
Secondary condenser 4 between device 5 can make the uniform light of arrival photovoltaic module 9, and then makes the Temperature Distribution on photovoltaic module 9 equal
Even；The selective coating 8 arranged in photovoltaic module receptor 5 selects nano-aluminium oxide or tin ash, can be by from two
The ultraviolet light converged in light of secondary condenser 4 filters, and remaining light arrives photovoltaic module 9, thus eliminates ultraviolet factor to heat
The impact that cyclic test produces；Being arranged at the temperature sensor on photovoltaic module 9 can be by the temperature of photovoltaic module 9 with signal
Form sends control unit 6 to, it addition, the back side of photovoltaic module 9 is provided with thermoelectric (al) cooler 10, it is worked in coordination with control unit 6
The temperature realizing photovoltaic module 9 controls.
Claims (8)
1. the photovoltaic module thermal cycling ageing assay device of super acceleration, it is characterised in that include outdoor section and indoor section,
Described outdoor section includes heliostat (1)；Described indoor section includes optical shutter (2), parabolic reflector (3), secondary condensation
Device (4), photovoltaic module receptor (5), control unit (6), driving motor (7), the concave surface court of described parabolic reflector (3)
Under, described secondary condenser (4) is located at immediately below parabolic reflector (3), and described photovoltaic module receptor (5) is located at secondary and is gathered
Immediately below light device (4), described optical shutter (2) is located at immediately below photovoltaic module receptor (5)；The quantity of optical shutter (2) is at least 2
Individual, the central shaft of optical shutter (2) is provided with rotating rotating shaft, and the rotating shaft between adjacent two optical shutters (2) is by chain even
Connecing, when optical shutter (2) turns to horizontal level, two optical shutters (2) of arbitrary neighborhood are connected；One of them optical shutter described
(2) roller end on is provided with a gear A；Described control unit (6) and photovoltaic module receptor (5) and driving motor (7)
Being electric connection, drive the output shaft end of motor (7) to be provided with a gear B, described gear B engages with gear A.
A kind of photovoltaic module the most according to claim 1 is super accelerates thermal cycling ageing assay device, it is characterised in that described
The cross section of secondary condenser (4) is trapezoidal, and described trapezoidal upper base length is more than bottom length.
A kind of photovoltaic module the most according to claim 1 is super accelerates thermal cycling ageing assay device, it is characterised in that described
The Breadth Maximum of photovoltaic module receptor (5) is less than or equal to the length of described secondary condenser (4) bottom.
4. accelerate thermal cycling ageing assay device according to a kind of photovoltaic module described in claim 1 or 3 is super, it is characterised in that
Described photovoltaic module receptor (5) includes selective coating (8), photovoltaic module (9), thermoelectric (al) cooler (10) and temperature sensor
(11), described photovoltaic module (9) upper surface is provided with selective coating (8), and described photovoltaic module (9) lower surface is provided with thermoelectric-cooled
Device (10), thermoelectric (al) cooler (10) is electrically connected with control unit (6), and described photovoltaic module (9) is provided with temperature sensor
(11), temperature sensor (11) is electrically connected with control unit (6).
A kind of photovoltaic module the most according to claim 1 is super accelerates thermal cycling ageing assay device, it is characterised in that described
Parabolic reflector (3) is dish-style condenser or slot-type optical collector.
A kind of photovoltaic module the most according to claim 1 is super accelerates thermal cycling ageing assay device, it is characterised in that described
Selective coating (8) is nano-aluminium oxide or tin ash.
A kind of photovoltaic module the most according to claim 1 is super accelerates thermal cycling ageing assay device, it is characterised in that described
Photovoltaic module (9) is ordinary flat photovoltaic module or condensation photovoltaic module.
A kind of photovoltaic module the most according to claim 1 is super accelerates thermal cycling ageing assay device, it is characterised in that described
Thermoelectric (al) cooler (10) is PN type semiconductor device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619106.9A CN106130482B (en) | 2016-08-01 | 2016-08-01 | A kind of photovoltaic module is super to accelerate thermal cycling ageing experimental rig |
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| CN201610619106.9A CN106130482B (en) | 2016-08-01 | 2016-08-01 | A kind of photovoltaic module is super to accelerate thermal cycling ageing experimental rig |
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| CN106130482A true CN106130482A (en) | 2016-11-16 |
| CN106130482B CN106130482B (en) | 2018-01-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107766633A (en) * | 2017-10-12 | 2018-03-06 | 无锡市产品质量监督检验院 | A kind of photovoltaic module accelerated aging test appraisal procedure |
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| CN206077336U (en) * | 2016-08-01 | 2017-04-05 | 江苏大学 | A kind of photovoltaic module is super to accelerate thermal cycling ageing experimental rig |
-
2016
- 2016-08-01 CN CN201610619106.9A patent/CN106130482B/en active Active
Patent Citations (8)
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|---|---|---|---|---|
| JP2647051B2 (en) * | 1995-03-09 | 1997-08-27 | 日本電気株式会社 | Appearance inspection device |
| CN2882107Y (en) * | 2006-01-12 | 2007-03-21 | 许翠娅 | Reflection collecting photovoltaic generator |
| CN102980088A (en) * | 2011-09-05 | 2013-03-20 | 北京卫星环境工程研究所 | Large-scale indoor solar illumination simulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107766633A (en) * | 2017-10-12 | 2018-03-06 | 无锡市产品质量监督检验院 | A kind of photovoltaic module accelerated aging test appraisal procedure |
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| CN106130482B (en) | 2018-01-16 |
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Effective date of registration: 20181220 Address after: Room 401, 4th floor, 22 Yaojia Road, Taizhou New Energy Industrial Park, Jiangsu Province Patentee after: Taizhou Haixin Energy Research Institute Co., Ltd. Address before: No. 301, Xuefu Road, Jingkou District, Zhenjiang, Jiangsu Province Patentee before: Jiangsu University |