CN110571162B - Device for simulating solar cell illumination heat attenuation and method for detecting attenuation - Google Patents

Device for simulating solar cell illumination heat attenuation and method for detecting attenuation Download PDF

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Publication number
CN110571162B
CN110571162B CN201910868740.XA CN201910868740A CN110571162B CN 110571162 B CN110571162 B CN 110571162B CN 201910868740 A CN201910868740 A CN 201910868740A CN 110571162 B CN110571162 B CN 110571162B
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China
Prior art keywords
solar cell
lower heater
illumination
attenuation
temperature
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CN201910868740.XA
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CN110571162A (en
Inventor
范维涛
沈鸿烈
黄钧林
张鑫
程晶
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Wkcergy Suzhou Photovoltaic Technology Co ltd
Nanjing University of Aeronautics and Astronautics
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Wkcergy Suzhou Photovoltaic Technology Co ltd
Nanjing University of Aeronautics and Astronautics
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44Sample treatment involving radiation, e.g. heat
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67011Apparatus for manufacture or treatment
    • H01L21/67098Apparatus for thermal treatment
    • H01L21/67115Apparatus for thermal treatment mainly by radiation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67242Apparatus for monitoring, sorting or marking
    • H01L21/67253Process monitoring, e.g. flow or thickness monitoring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L22/00Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
    • H01L22/20Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
    • H01L22/24Optical enhancement of defects or not directly visible states, e.g. selective electrolytic deposition, bubbles in liquids, light emission, colour change
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

A device for simulating solar cell thermal decay in light comprising: the solar cell panel heating device comprises a chassis, a lower heater, an illumination heating device and a temperature control system, wherein the lower heater is connected to the chassis and extends upwards to form a fixed support, the lower heater is used for placing solar cell panels, the illumination heating device is arranged on the fixed support, the temperature control system is used for controlling the heating values of the illumination heating device and the lower heater, the illumination heating device comprises an infrared heating lamp tube, sunlight is simulated above the solar cell panels through the infrared heating lamp tube, the lower heater is arranged below the solar cell panels to enable the solar cell panels to be heated uniformly, the temperature of the solar cell panels is controlled through the temperature control system, and the technical problems that the upper surface and the lower surface of the solar cell panels are heated simultaneously, the heating temperature is accurately controlled, and illumination is provided above the solar cell panels are solved; the method for detecting the attenuation quantity by using the device comprises the steps of initial value detection, simulated illumination thermal attenuation, cooling, final detection and attenuation quantity calculation, and is simple and easy to use, high in accuracy and strong in reproducibility.

Description

Device for simulating solar cell illumination heat attenuation and method for detecting attenuation
Technical Field
The invention relates to the field of solar cell manufacturing, in particular to a device for simulating solar cell illumination heat attenuation and a method for detecting attenuation.
Background
In the existing production process of solar cells, the problem that the solar cells are subjected to heat attenuation after illumination is solved, the problem is solved by adopting a carrier injection process in the industry, the attenuation of the solar cells in the heat attenuation is an important reference index of the carrier injection process, the attenuation of the solar cells in the heat attenuation is different in different processes and different raw materials, the solar cells are required to be illuminated by simulated sunlight to detect the attenuation of the heat attenuation, the existing simulation equipment mainly utilizes a light source to be matched with a simple support platform, the platform cannot be heated, the upper surface and the lower surface of the solar cells are heated unevenly, the temperature fluctuation of the solar cells is large, the detected attenuation is incorrect, and a device capable of heating the upper surface and the lower surface of the solar cells simultaneously, accurately controlling the heating temperature and providing light above the solar cells for simulating the heat attenuation of the solar cells and a method for detecting the heat attenuation of the solar cells are needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device capable of heating upper and lower surfaces of a solar cell, accurately controlling heating temperature and providing illumination above the solar cell for simulating solar cell photo-thermal attenuation and a method for detecting attenuation.
In order to achieve the above purpose, the product in the technical scheme adopted by the invention is a device for simulating the light and heat attenuation of a solar cell, comprising:
a chassis;
the lower heater is used for placing solar cells and is arranged on the chassis;
the fixed bracket is connected to the chassis and extends upwards;
the illumination heating device is arranged on the fixed bracket and is positioned above the lower heater;
the device for simulating the solar cell illumination heat attenuation further comprises a temperature control system, wherein the temperature control system comprises a probe for detecting the temperature of the solar cell, and the temperature control system controls the heating values of the illumination heating device and the lower heater according to the temperature value detected by the probe;
the illumination heating device comprises an infrared heating lamp tube.
Preferably, the light emitted by the infrared heating lamp tube is opposite to the upper surface of the solar cell.
Further preferably, the infrared heating lamp tube is coiled into a shape similar to the solar cell, and the projection of the edge of the infrared heating lamp tube on the plane of the solar cell is positioned in the area outside the solar cell.
Preferably, the probe is a non-contact probe.
Preferably, a high temperature resistant insulating cloth is arranged between the lower heater and the solar cell.
Preferably, a heating resistor is arranged in the lower heater, and a horizontal adjusting device is arranged between the lower heater and the chassis.
Further preferably, the horizontal adjusting device is an adjusting bolt positioned around the lower heater.
Preferably, a light shield for shielding ambient light is covered on the device for simulating the solar cell photo-thermal attenuation.
In order to achieve the above purpose, the method in the technical scheme adopted by the invention is a method for detecting the attenuation amount according to any device for simulating the illumination thermal attenuation of the solar cell, and the method comprises the following steps:
A. detecting initial electrical property data of the solar cell when the temperature of the solar cell is 25+/-0.2 ℃;
B. placing the solar cell in the step A on the lower heater;
C. the heating values of the illumination heating device and the lower heater are controlled by a temperature control system, the temperature of the solar cell is controlled to be 240+/-10 ℃, and the solar cell is taken out after being placed for 20 seconds;
D. c, cooling the temperature of the solar cell taken out in the step C to 25+/-0.2 ℃, and detecting final electrical property data of the solar cell;
E. and D, subtracting the initial electrical property data in the step A from the final electrical property data in the step D to obtain the illumination attenuation of the solar cell.
Preferably, the cooling mode in the step D is normal temperature cooling.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the solar cell is uniformly heated by simulating sunlight above the solar cell through the infrared heating lamp tube, and the lower heater is arranged below the solar cell; the method for detecting the attenuation quantity by using the device comprises the steps of initial value detection, simulated illumination thermal attenuation, cooling, final detection and attenuation quantity calculation, and is simple and easy to use, high in accuracy and strong in reproducibility.
Drawings
Fig. 1 is a front view of an apparatus for simulating solar cell thermal decay of light in accordance with the present invention, with the light heating apparatus and lower heater partially cut away.
FIG. 2 is a schematic diagram of an infrared heating lamp according to the present invention.
Wherein: 100. a chassis; 200. a lower heater; 201. a heating resistor; 202. a level adjustment device; 300. a fixed bracket; 400. an illumination heating device; 401. an infrared heating lamp tube; 500. a temperature control system; 501. a probe; 600. high-temperature-resistant insulating cloth; 700. a solar cell.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention will be more readily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
The up and down directions described in the present invention refer to the up and down directions in fig. 1.
As shown in fig. 1-2, the device for simulating solar cell illumination heat attenuation provided by the invention comprises: the chassis 100, the lower heater 200, the fixing bracket 300, the illumination heating device 400, the temperature control system 500, the high temperature resistant insulating cloth 600, and the light shield (not shown in the figure), wherein the lower heater 200 is disposed on the chassis 100, the upper surface of the lower heater 200 is used for placing the solar cell 700, the high temperature resistant insulating cloth 600 is disposed between the upper surface of the lower heater 200 and the solar cell 700, the high temperature resistant insulating cloth 600 is used for maintaining the insulativity and the light-shielding property between the upper surface of the lower heater 200 and the lower surface of the solar cell 700, the solar cell 700 is prevented from being interfered by the light from the lower side of the high temperature resistant insulating cloth when the simulated illumination is attenuated, the electrical property of the solar cell 700 is prevented from being changed by being conducted with the lower heater 200, the heating resistor 201 is disposed in the lower heater 200, the heating resistor 201 is used for heating the lower surface of the solar cell 700, the chassis 100 is connected with a fixing bracket 300 extending upwards, the fixing bracket 300 is used for fixing the illumination heating device 400 above the lower heater 200, the relative angle between the illumination heating device 400 and the fixing bracket 300 can be adjusted so as to adjust the illumination heating device 400 to be horizontal, so that the light emitted by the infrared heating lamp 401 in the illumination heating device 400 faces to the right lower side and is opposite to the upper surface of the solar cell 700, no blocking exists between the infrared heating lamp 401 and the solar cell 600, a lens can be arranged below the infrared heating lamp 401 for improving the illumination intensity of the infrared heating lamp 401 on the upper surface of the solar cell 600, a reflecting device such as a reflecting plate can be arranged above the infrared heating lamp 401 for improving the illumination uniformity and consistency of the infrared heating lamp 401 on the upper surface of the solar cell 600, in this embodiment, the infrared heating lamp 401 is coiled into a rectangle, similar to the shape of the rectangular solar cell 700, when the edge of the infrared heating lamp 401 is projected downwards on the plane where the solar cell 700 is located, the projection of the edge is located in the area outside the solar cell 700, the heating resistor 201 is arranged in the lower heater 200, the horizontal adjusting device 202 is arranged between the lower heater 201 and the chassis 100, in this embodiment, the horizontal adjusting device 202 is an adjusting bolt positioned around the lower heater 200, because the upper surface and the lower surface of the solar cell 700 are not necessarily parallel, in order to ensure that the light emitted by the infrared heating lamp 401 is opposite to the upper surface of the solar cell 700, the angle of the solar cell 700 can be adjusted by the adjusting bolt, so that the upper surface of the solar cell 700 is perpendicular to the light emitted by the infrared heating lamp 401, and the accuracy of simulated light thermal attenuation is ensured.
As shown in fig. 1, the device for simulating solar cell photo-thermal attenuation provided by the invention further comprises a temperature control system 500, which comprises a probe 501 for detecting the temperature of the solar cell 700, wherein the probe 501 is connected to the fixed support 300 through a support, the probe 501 is a non-contact infrared probe, which is aligned to the upper surface of the solar cell 700, a plurality of probes 501 can be arranged to be aligned to different positions on the upper surface of the solar cell 700, preferably to positions close to four corners, respectively, in order to ensure the authenticity of the temperature detected by the probe 501, and the temperature control system 500 controls the heat productivity of the infrared heating lamp 401 in the photo-thermal device 400 and the heating resistor 201 in the lower heater 200 according to the temperature value detected by the probe 501.
The method for detecting the attenuation amount by using the device comprises the following steps:
A. detecting initial electrical property data of the solar cell when the temperature of the solar cell is 25+/-0.2 ℃;
B. placing the solar cell sheet in step a on the lower heater 200;
C. the heating values of the illumination heating device 400 and the lower heater 200 are controlled by the temperature control system 500, the temperature of the solar cell 700 is controlled to be 240+/-10 ℃, and the solar cell is taken out after being placed for 20 seconds;
D. c, cooling the temperature of the solar cell taken out in the step C to 25+/-0.2 ℃, and detecting final electrical property data of the solar cell;
E. and D, subtracting the initial electrical property data in the step A from the final electrical property data in the step D to obtain the illumination attenuation of the solar cell.
By performing temperature control in the step a and the step D, it is ensured that the difference between the initial detection data and the final detection data of the solar cell is caused by the photothermal attenuation in the step C, the temperature tolerance range and the time characteristic of 20s in the step C ensure the reproducibility of the measured attenuation value, and the accuracy and the reliability of the detected attenuation value are improved.
The cooling mode in the step D adopts normal-temperature cooling, is simple and feasible, does not need to add equipment, and saves funds.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims (7)

1. A device for simulating solar cell thermal decay in light comprising:
a chassis;
the lower heater is used for placing solar cells and is arranged on the chassis;
the fixed bracket is connected to the chassis and extends upwards;
the illumination heating device is arranged on the fixed bracket and is positioned above the lower heater;
the method is characterized in that:
the device for simulating the solar cell illumination heat attenuation further comprises a temperature control system, wherein the temperature control system comprises a probe for detecting the temperature of the solar cell, and the temperature control system controls the heating values of the illumination heating device and the lower heater according to the temperature value detected by the probe;
the illumination heating device comprises an infrared heating lamp tube, the light emitted by the infrared heating lamp tube is opposite to the upper surface of the solar cell, the infrared heating lamp tube is coiled into a shape similar to the solar cell, and the projection of the edge of the infrared heating lamp tube on the plane of the solar cell is positioned in the area outside the solar cell;
the probe is a non-contact probe.
2. The device for simulating solar cell thermal decay of light of claim 1, wherein: and high-temperature-resistant insulating cloth is arranged between the lower heater and the solar cell.
3. The device for simulating solar cell thermal decay of light of claim 1, wherein: the lower heater is internally provided with a heating resistor, and a horizontal adjusting device is arranged between the lower heater and the chassis.
4. A device for simulating solar cell thermal decay of light as defined in claim 3 wherein: the horizontal adjusting device is an adjusting bolt positioned around the lower heater.
5. The device for simulating solar cell thermal decay of light of claim 1, wherein: the device for simulating the solar cell illumination heat attenuation is covered with a light shield for shielding ambient light.
6. The method for detecting the attenuation amount of the device for simulating solar cell photothermal attenuation according to any one of claims 1 to 5, comprising the steps of:
A. detecting initial electrical property data of the solar cell when the temperature of the solar cell is 25+/-0.2 ℃;
B. placing the solar cell in the step A on the lower heater;
C. the heating values of the illumination heating device and the lower heater are controlled by a temperature control system, the temperature of the solar cell is controlled to be 240+/-10 ℃, and the solar cell is taken out after being placed for 20 seconds;
D. c, cooling the temperature of the solar cell taken out in the step C to 25+/-0.2 ℃, and detecting final electrical property data of the solar cell;
E. and D, subtracting the initial electrical property data in the step A from the final electrical property data in the step D to obtain the illumination attenuation of the solar cell.
7. The method for detecting an attenuation amount according to claim 6, wherein:
and D, cooling at normal temperature.
CN201910868740.XA 2019-09-16 2019-09-16 Device for simulating solar cell illumination heat attenuation and method for detecting attenuation Active CN110571162B (en)

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CN113848232B (en) * 2021-08-16 2022-06-21 江苏凯伦建材股份有限公司 Device and method for detecting power generation efficiency or indoor energy conservation of solar panel by waterproof material
CN114912066B (en) * 2022-07-19 2022-09-27 南京知研科技有限公司 Data processing method suitable for organic solar cell
CN117790639A (en) * 2024-02-05 2024-03-29 意诚新能(苏州)科技有限公司 Pretreatment device for improving photo-thermal attenuation characteristic of solar cell

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CN106784136A (en) * 2016-11-30 2017-05-31 庞倩桃 A kind of light decay device
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CN210156352U (en) * 2019-09-16 2020-03-17 南京航空航天大学 Device for simulating light and heat attenuation of solar cell

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Publication number Priority date Publication date Assignee Title
JP2009141088A (en) * 2007-12-06 2009-06-25 National Institute Of Advanced Industrial & Technology Temperature control system of solar-battery module
CN101799489A (en) * 2010-02-26 2010-08-11 常州亿晶光电科技有限公司 Equipment for testing attenuation of solar cell
EP3182582A1 (en) * 2015-12-15 2017-06-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and device for testing solar cells or solar modules for ageing resistance
CN105897162A (en) * 2016-04-01 2016-08-24 中利腾晖光伏科技有限公司 Light decay test box used for solar cells
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CN210156352U (en) * 2019-09-16 2020-03-17 南京航空航天大学 Device for simulating light and heat attenuation of solar cell

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