CN112924370A - Ultraviolet thermal cycle comprehensive test method for photovoltaic module and material - Google Patents
Ultraviolet thermal cycle comprehensive test method for photovoltaic module and material Download PDFInfo
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- CN112924370A CN112924370A CN202110120833.1A CN202110120833A CN112924370A CN 112924370 A CN112924370 A CN 112924370A CN 202110120833 A CN202110120833 A CN 202110120833A CN 112924370 A CN112924370 A CN 112924370A
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- 238000010998 test method Methods 0.000 title claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 238000004088 simulation Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000000737 periodic effect Effects 0.000 claims abstract description 9
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 238000005382 thermal cycling Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 5
- 230000006750 UV protection Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 3
- 238000012356 Product development Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000032683 aging Effects 0.000 description 11
- 230000018109 developmental process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
Abstract
The invention discloses an ultraviolet thermal cycle comprehensive test method for photovoltaic modules and materials, which comprises the following steps: s1: placing a photovoltaic component or material to be tested in a simulation test environment, wherein the simulation test environment comprises a thermal cycle condition and an ultraviolet irradiation condition, and the thermal cycle condition comprises periodic thermal condition cycle based on a temperature range and a single thermal cycle time; s2: taking out the photovoltaic module or the material which is subjected to the step S1, determining the power attenuation condition of the photovoltaic module, or checking the appearance of the material, and detecting the mechanical property or the electrical property; s3: and comparing the measured performance of the photovoltaic module or the material which completes the step S2 with the performance of the photovoltaic module or the material of the comparison group. The invention researches the ultraviolet tolerance of the outdoor photovoltaic module and the material by an indoor ultraviolet thermal cycle method to promote the production and detection of the current photovoltaic module, and has positive significance for the healthy development, cost reduction and efficiency improvement and product development of the whole photovoltaic industry.
Description
Technical Field
The invention relates to the field of environmental simulation reliability testing, in particular to a thermal cycle and ultraviolet acceleration comprehensive test method for photovoltaic modules and materials.
Background
The photovoltaic industry in China has entered the rapid development stage, contradict with the rapid development of the photovoltaic industry, how to evaluate photovoltaic module and material to use normally in the quality assurance period of 25 years outdoors rapidly, scientifically, effectively has had serious deficiency of means all the time; among the influences of all outdoor factors on photovoltaic modules and materials, the influence of ultraviolet radiation on the photovoltaic modules and the materials is particularly obvious, so how to effectively evaluate the influence of the ultraviolet radiation on the degradation of the photovoltaic modules and the materials becomes an obstacle for restricting the safe and healthy development of the industry.
At present, the photovoltaic industry mainly uses two test standards of IEC 61215 and IEC61730, which are mainly used for design identification and design, but not for evaluating the service life of the photovoltaic module used outdoors; particularly, in the aspect of evaluating the ultraviolet aging resistance of outdoor photovoltaic modules, the standard only provides a test method for the ultraviolet aging resistance of the photovoltaic modules at a single temperature, as shown in fig. 1, the method only considers the ultraviolet resistance of the photovoltaic modules and materials at 60 ± 5 ℃, the aging of the photovoltaic modules and materials is slow in the experiment, the period required by the experiment is long, the evaluation of rapid screening cannot be completed, the operability is poor, the expansion and contraction of the thermal effect on different materials are not fully considered, and the thermal effect can generate harsher stress and damage the integrity of the structure. In the development stage of the last decade, the large-area outbreak of component failure also shows that the aging test method of single environmental condition in the two standards has obvious defects, and the evaluation of the reliability of the photovoltaic component used outdoors for 25 years is more laggard; if the results are evaluated after 25 years of outdoor use, it is clear that the current production requirements cannot be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a method for rapidly simulating the outdoor aging resistance of a photovoltaic module and a material through an indoor ultraviolet thermal cycle comprehensive test method, particularly provides a comprehensive test method for establishing the influence of thermal effect and ultraviolet radiation effect on the photovoltaic module and the material, researches the ultraviolet resistance of the outdoor photovoltaic module and the material through an indoor ultraviolet thermal cycle method, and searches for a corresponding relation between an outdoor use scene and indoor comprehensive simulation so as to promote the production and detection of the current photovoltaic module, thereby reducing cost and improving efficiency and certainly having positive significance for the product development of the whole photovoltaic industry.
The purpose of the invention is realized by the following technical scheme: an ultraviolet thermal cycle comprehensive test method for photovoltaic modules and materials comprises the following steps:
s1: the method comprises the steps of placing a photovoltaic component or material to be tested in a simulation test environment, wherein the simulation test environment comprises a thermal cycle condition and an ultraviolet irradiation condition, and the thermal cycle condition comprises periodic thermal condition cycle based on a temperature range and single thermal cycle time.
Preferably, the ultraviolet irradiation condition includes that the wavelength of the ultraviolet is continuous in a wave band of 280-400 nm.
Preferably, the ultraviolet irradiation conditions comprise that the ultraviolet irradiation intensity is less than or equal to 250w/m2。
Preferably, the ultraviolet light irradiation conditions include an ultraviolet light irradiation unevenness of 15% or less.
Preferably, the ultraviolet light irradiation conditions comprise that the percentage of UVB to the total energy of UVA + UVB is between 3 and 10 percent.
Preferably, the ultraviolet light irradiation conditions include ultraviolet irradiation cumulative amount of not less than 120KWH/m2。
Preferably, the temperature range of the thermal cycling conditions is not less than-40 ℃ at the lowest temperature and not less than 85 ℃ at the highest temperature.
Preferably, the single thermal cycle time of the thermal cycling conditions is no greater than 6 h.
Preferably, the number of periodic thermal conditioning cycles of one test is not less than 100.
Preferably, the method further comprises the following steps:
s2: taking out the photovoltaic module or the material which is subjected to the step S1, determining the power attenuation condition of the photovoltaic module, or checking the appearance of the material, and detecting the mechanical property or the electrical property;
s3: and comparing the measured performance of the photovoltaic module or the material which completes the step S2 with the performance of the photovoltaic module or the material of the comparison group.
Preferably, the photovoltaic module or material of the comparison group is a photovoltaic module or material with outdoor actual service time not less than 5 years.
The invention has the beneficial effects that:
the invention applies the comprehensive test method of ultraviolet thermal cycle, through the photovoltaic module and material after the comprehensive simulation test method of periodic thermal condition cycle plus ultraviolet irradiation based on temperature range and single thermal cycle time is tested, can observe the aging state of the photovoltaic module and material after being equivalent to the use state for a plurality of years intuitively.
Drawings
FIG. 1 shows the test method of UV alone in a certain temperature range (60. + -. 5 ℃);
fig. 2 is a comprehensive test curve of the thermal cycle conditions and the ultraviolet irradiation conditions of the ultraviolet thermal cycle comprehensive test method in this example.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An ultraviolet thermal cycle comprehensive test method for photovoltaic modules and materials comprises the following steps:
s1: placing a photovoltaic module or material to be tested in a simulation test environment for simulation test, wherein the simulation test environment comprises a thermal cycle condition and an ultraviolet light irradiation condition, and the thermal cycle condition comprises periodic thermal condition cycling based on a temperature range and a single thermal cycle time, as shown in fig. 2;
controlling the wavelength of the ultraviolet light to be continuous within a 280-400 nm wave band;
the ultraviolet irradiation intensity is controlled to be less than or equal to 250w/m2；
Controlling the irradiation unevenness of ultraviolet light to be less than or equal to 15 percent;
controlling the percentage of UVB in the total energy of UVA and UVB to be 3-10%;
controlling the cumulative quantity of ultraviolet radiation to 120KWH/m2；
Controlling the temperature range of the thermal cycle to be-40 ℃ at the lowest temperature and 85 ℃ at the highest temperature, setting the holding time at the lowest temperature and the highest temperature, and setting the shortest holding time to be 10 min;
controlling the single thermal cycle time of the thermal cycle to be 6 h;
the number of periodic thermal conditioning cycles for one test was controlled to 200.
S2: taking out the photovoltaic module or the material which is subjected to the step S1, determining the power attenuation condition of the photovoltaic module, or checking the appearance of the material, and detecting the mechanical property or the electrical property;
s3: and comparing the measured performance of the photovoltaic module or the material which is subjected to the step S2 with the performance of the photovoltaic module or the material which is actually used outdoors for 5 years, analyzing the difference of the performance or the appearance, and finding that the aging states of the photovoltaic module or the material are basically consistent.
The invention applies the comprehensive test method of ultraviolet thermal cycle, the photovoltaic module and the material tested by the comprehensive simulation test method of periodic thermal condition cycle and ultraviolet irradiation based on the temperature range and single thermal cycle time can be compared with the photovoltaic module and the material which are actually used for 5 years in the outdoor drought environment, the test data with consistent aging states of the photovoltaic module and the material can be found, and the corresponding relation curve can be drawn according to the test data, thus obtaining the relation curve between the aging trend of the photovoltaic module or the material and the test condition after 5 years in the future; the method can form an aging test database and an aging curve aiming at the photovoltaic module or the material for scientific research, can also be used for prejudging or checking the performance and the quality of the photovoltaic module or the material, can provide more scientific basis for the sizing and the type selection of photovoltaic module and material manufacturers and outdoor power stations, and has important economic benefit and safety significance in the aspects of ensuring the reliability of the power stations, saving cost and improving efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A comprehensive ultraviolet thermal cycle test method for photovoltaic modules and materials is characterized by comprising the following steps: the method comprises the following steps:
s1: the method comprises the steps of placing a photovoltaic component or material to be tested in a simulation test environment, wherein the simulation test environment comprises a thermal cycle condition and an ultraviolet irradiation condition, and the thermal cycle condition comprises periodic thermal condition cycle based on a temperature range and single thermal cycle time.
2. The ultraviolet thermal cycle comprehensive test method of the photovoltaic module and the material as claimed in claim 1, characterized in that: the ultraviolet light irradiation condition comprises that the wavelength of ultraviolet light is continuous in a 280-400 nm wave band.
3. The ultraviolet thermal cycle comprehensive test method of the photovoltaic module and the material as claimed in claim 1, characterized in that: the ultraviolet irradiation conditions comprise that the ultraviolet irradiation intensity is less than or equal to 250w/m2The ultraviolet irradiation conditions comprise that the unevenness of ultraviolet irradiation is less than or equal to 15 percent.
4. The ultraviolet thermal cycle comprehensive test method of the photovoltaic module and the material as claimed in claim 1, characterized in that: the ultraviolet light irradiation condition comprises that the percentage of UVB in the total energy of UVA and UVB is 3-10%.
5. The ultraviolet thermal cycle comprehensive test method of the photovoltaic module and the material as claimed in claim 1, characterized in that: the ultraviolet irradiation condition comprises that the cumulative quantity of ultraviolet irradiation is not less than 120KWH/m2。
6. The ultraviolet thermal cycle comprehensive test method of the photovoltaic module and the material as claimed in claim 1, characterized in that: the temperature range of the thermal cycle conditions is that the lowest temperature is not more than-40 ℃ and the highest temperature is not less than 85 ℃.
7. The ultraviolet thermal cycle comprehensive test method of the photovoltaic module and the material as claimed in claim 1, characterized in that: the single thermal cycle time of the thermal cycling conditions is no greater than 6 h.
8. The ultraviolet thermal cycle comprehensive test method of the photovoltaic module and the material as claimed in claim 1, characterized in that: the number of cycles of the periodic thermal conditions for one test is not less than 100.
9. The ultraviolet thermal cycle comprehensive test method of the photovoltaic module and the material as claimed in claim 1, characterized in that: further comprising the steps of:
s2: taking out the photovoltaic module or the material which is subjected to the step S1, determining the power attenuation condition of the photovoltaic module, or checking the appearance of the material, and detecting the mechanical property or the electrical property;
s3: and comparing the measured performance of the photovoltaic module or the material which completes the step S2 with the performance of the photovoltaic module or the material of the comparison group.
10. The ultraviolet thermal cycle comprehensive test method of photovoltaic modules and materials according to claim 9, characterized in that: the photovoltaic module or the material of the comparison group is a photovoltaic module or a material which has an outdoor actual service life of not less than 5 years.
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| CN202110120833.1A CN112924370A (en) | 2021-01-28 | 2021-01-28 | Ultraviolet thermal cycle comprehensive test method for photovoltaic module and material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567329A (en) * | 2021-07-23 | 2021-10-29 | 无锡市产品质量监督检验院 | Ultraviolet, damp and hot comprehensive test method and ultraviolet, damp and hot comprehensive test box for photovoltaic module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202230990U (en) * | 2011-09-07 | 2012-05-23 | 扬州光电产品检测中心 | UV pre-treatment test system of a solar photovoltaic assembly |
| CN102508143A (en) * | 2011-10-26 | 2012-06-20 | 常州天合光能有限公司 | Reliability test method for photovoltaic component |
| CN107733366A (en) * | 2017-11-08 | 2018-02-23 | 河海大学常州校区 | Photovoltaic module Failure Assessment and its Forecasting Methodology based on accelerated test case |
| CN111313832A (en) * | 2018-12-11 | 2020-06-19 | 米亚索能光伏科技有限公司 | Photovoltaic module tolerance performance test method |
| CN211148047U (en) * | 2019-10-17 | 2020-07-31 | 天津大学 | Device for simultaneously testing spatial thermal cycle and ultraviolet irradiation in situ |
-
2021
- 2021-01-28 CN CN202110120833.1A patent/CN112924370A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202230990U (en) * | 2011-09-07 | 2012-05-23 | 扬州光电产品检测中心 | UV pre-treatment test system of a solar photovoltaic assembly |
| CN102508143A (en) * | 2011-10-26 | 2012-06-20 | 常州天合光能有限公司 | Reliability test method for photovoltaic component |
| CN107733366A (en) * | 2017-11-08 | 2018-02-23 | 河海大学常州校区 | Photovoltaic module Failure Assessment and its Forecasting Methodology based on accelerated test case |
| CN111313832A (en) * | 2018-12-11 | 2020-06-19 | 米亚索能光伏科技有限公司 | Photovoltaic module tolerance performance test method |
| CN211148047U (en) * | 2019-10-17 | 2020-07-31 | 天津大学 | Device for simultaneously testing spatial thermal cycle and ultraviolet irradiation in situ |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567329A (en) * | 2021-07-23 | 2021-10-29 | 无锡市产品质量监督检验院 | Ultraviolet, damp and hot comprehensive test method and ultraviolet, damp and hot comprehensive test box for photovoltaic module |
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