CN109884077A - The infrared defect inspection method and device of outdoor photovoltaic plant under natural light environment - Google Patents

The infrared defect inspection method and device of outdoor photovoltaic plant under natural light environment Download PDF

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Publication number
CN109884077A
CN109884077A CN201711276817.1A CN201711276817A CN109884077A CN 109884077 A CN109884077 A CN 109884077A CN 201711276817 A CN201711276817 A CN 201711276817A CN 109884077 A CN109884077 A CN 109884077A
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China
Prior art keywords
infrared
photovoltaic module
infrared detector
measured
natural light
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Pending
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CN201711276817.1A
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Chinese (zh)
Inventor
黄焕文
朱佳敏
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Shanghai Solar Energy Research Center Co Ltd
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Shanghai Solar Energy Research Center Co Ltd
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Priority to CN201711276817.1A priority Critical patent/CN109884077A/en
Publication of CN109884077A publication Critical patent/CN109884077A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a kind of infrared defect inspection method of the outdoor photovoltaic plant under natural light environment and devices, and infrared detector is arranged in the front of photovoltaic module to be measured, and infrared detector is made to be directed at photovoltaic module to be tested;The positive and negative anodes of the pulse power are wired to respectively on the positive and negative anodes of photovoltaic module to be measured, impulse controller is connect with the pulse power, Image Acquisition is connect with processing terminal with infrared detector, is connected between impulse controller and Image Acquisition and processing terminal by synchronism generating device;The output that impulse controller controls the pulse power to apply the pulse electrical signal with certain frequency to photovoltaic module;The precise synchronization of synchronism generating device realization pulse electrical signal and Image Acquisition;Image Acquisition and processing terminal control infrared detector obtain the infraluminescence image sequence of photovoltaic module to be measured and carry out data processing and obtain the infrared image of photovoltaic module to be measured.The present invention greatly improves the efficiency of power station test and O&M.

Description

The infrared defect inspection method and device of outdoor photovoltaic plant under natural light environment
Technical field
The present invention relates to photovoltaic detection technique fields, more particularly, to the outdoor photovoltaic plant under a kind of natural light environment Infrared defect inspection method and device.
Background technique
In the life cycle of entire photovoltaic module, quality control is particularly important, the infrared defect inspection of traditional photovoltaic plant Survey device, which needs to remove the photovoltaic module to be measured in power station and then move under dark room conditions, to be tested, after test is completed If there are problems for photovoltaic module, qualified component is needed replacing into.If photovoltaic module is qualified, it is also necessary to again by photovoltaic module Original place is reinstalled to, process is very cumbersome, waste of manpower.Therefore photovoltaic industry there is an urgent need to develop it is a set of can be in nature The method and apparatus for carrying out infrared defects detection for photovoltaic module to be measured in outdoor photovoltaic plant used under luminous environment.
Chinese patent CN204758479U discloses a kind of automatic focusing mechanism of infrared defect detecting system of photovoltaic plant, Including tripod, infrared imaging system, laser range finder, infrared light supply and servo drive system.Infrared light supply is for being radiated at Some region at solar module center provides auto-focusing secondary light source, laser range finder measure solar module with it is red The distance between outer imaging system, and by distance data transmission into servo drive system, servo drive system is calculated at this Under a distance, for clarity imaging needed for send number of pulses, then send respective numbers pulse, thus drive it is infrared at As system realizes shape library.The device can quickly and easily realize the auto-focusing of the infrared defect detecting system of photovoltaic plant. The device is not suitable for the directly detection of the open air under natural light environment.
Summary of the invention
The object of the invention is in order to provide a kind of infrared defects detection of the outdoor photovoltaic plant under natural light environment Method and device, with realize in the environment of natural light without dismantling component in the case where, in photovoltaic plant component carry out Detection.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of infrared defect inspection method of outdoor photovoltaic plant under natural light environment, comprising the following steps:
A, infrared detector is arranged in the front of photovoltaic module to be measured, infrared detector is made to be directed at photovoltaic to be tested Component;
B, the positive and negative anodes of the pulse power are wired to respectively on the positive and negative anodes of photovoltaic module to be measured, by pulse control Device processed is connect with the pulse power, and Image Acquisition is connect with processing terminal with infrared detector, impulse controller and Image Acquisition with It is connected between processing terminal by synchronism generating device;
C, the output of the impulse controller control pulse power to apply the pulse telecommunications with certain frequency to photovoltaic module Number;
D, synchronism generating device realizes the precise synchronization of pulse electrical signal and Image Acquisition;
E, Image Acquisition and processing terminal obtain the infraluminescence image sequence of photovoltaic module to be measured and carry out data processing The infrared image of photovoltaic module to be measured is obtained, realizes the detection to photovoltaic module to be measured.
In infrared detector front end, filtering apparatus is set.
The filtering apparatus is optical filter or optical filtering.
The infrared detector is mounted on the upper surface of tripod, adjusts position and the angle of tripod, makes infrared detector It is directed at photovoltaic module to be tested.
The synchronism generating device refers to data collecting card, preferably model ni6259.
A kind of infrared defect detecting device of outdoor photovoltaic plant under natural light environment, for photovoltaic module to be measured into Row detection, including infrared detector, the pulse power, impulse controller, Image Acquisition and processing terminal and synchronism generating device, institute The front that photovoltaic module to be measured is arranged in infrared detector is stated, the positive and negative anodes of the pulse power are connected to photovoltaic module to be measured Positive and negative anodes on, the impulse controller is connect with the pulse power, and described image acquisition connects with processing terminal and infrared detector It connects, is connected between the impulse controller and Image Acquisition and processing terminal by synchronism generating device.
The output that impulse controller controls the pulse power to apply the pulse electrical signal with certain frequency to photovoltaic module; The precise synchronization of synchronism generating device realization pulse electrical signal and Image Acquisition;Image Acquisition and processing terminal control infrared acquisition Device, which obtains the infraluminescence image sequence of photovoltaic module to be measured and carries out data processing, obtains the infrared image of photovoltaic module to be measured, Realize the detection to photovoltaic module to be measured.
In infrared detector front end, filtering apparatus is set.
The filtering apparatus is optical filter or optical filtering.
The infrared detector is mounted on the upper surface of tripod, and position and angle by adjusting tripod make infrared spy It surveys device and is directed at photovoltaic module to be tested.
The synchronism generating device refers to data collecting card, preferably model ni6259.
The impulse controller is the controller with pulse signal control function.
Described image acquisition is the terminal with Image Acquisition and processing function with processing terminal, for example has Image Acquisition With the computer of processing function etc..
The positive and negative anodes of the pulse power are wired to respectively on the positive and negative anodes of photovoltaic module to be measured.
Compared with prior art, infrared defect inspection method of the invention and detection device can be below natural light environments Just the infrared defect detected inside photovoltaic module, and this method have can under natural light environment to photovoltaic plant into The advantages of row fast infrared defect test, greatly improves the efficiency of power station test and O&M.
Detailed description of the invention
Fig. 1 is the infrared defect detecting device structural schematic diagram of the outdoor photovoltaic plant under natural light environment.
1, filtering apparatus, 2, infrared detector, 3, tripod, 4, photovoltaic module, 5, the pulse power, 6, impulse controller, 7, Image Acquisition and processing terminal, 8, synchronism generating device.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
The infrared defect detecting device of outdoor photovoltaic plant under a kind of natural light environment, as shown in Figure 1, for to be measured Photovoltaic module 4 is detected, including infrared detector 2, the pulse power 5, impulse controller, Image Acquisition and processing terminal 7 and Synchronism generating device 8, the infrared detector 2 are arranged in the front of photovoltaic module 4 to be measured, the pulse power 5 it is positive and negative Pole is connected on the positive and negative anodes of photovoltaic module 4 to be measured, and the impulse controller 6 is connect with the pulse power 5, described image acquisition with Processing terminal 7 is connect with infrared detector 2, and the impulse controller 6 is sent out between Image Acquisition and processing terminal 7 by synchronous Generating apparatus 8 connects.The output that impulse controller 6 controls the pulse power 5 to apply the pulse with certain frequency to photovoltaic module 4 Electric signal;The precise synchronization of synchronism generating device 8 realization pulse electrical signal and Image Acquisition;Image Acquisition and processing terminal 7 are controlled Infrared detector 2 processed, which obtains the infraluminescence image sequence of photovoltaic module 4 to be measured and carries out data processing, obtains photovoltaic group to be measured The infrared image of part realizes the detection to photovoltaic module to be measured.
Wherein, filtering apparatus 1 is set in 2 front end of infrared detector.The filtering apparatus 1 is optical filter or optical filtering.Institute It states infrared detector 2 and is mounted on the upper surface of tripod 3, position and angle by adjusting tripod are directed at infrared detector Photovoltaic module to be tested.
The synchronism generating device 8 refers to data collecting card, preferably model ni6259.
The impulse controller 6 is the controller with pulse signal control function.
Described image acquisition and processing terminal 7 are the terminal with Image Acquisition and processing function, for example are adopted with image The computer etc. of collection and processing function.
A kind of infrared defect inspection method of outdoor photovoltaic plant under natural light environment, comprising the following steps:
A, infrared detector is arranged in the front of photovoltaic module to be measured, infrared detector is made to be directed at photovoltaic to be tested Component;
B, the positive and negative anodes of the pulse power are wired to respectively on the positive and negative anodes of photovoltaic module to be measured, by pulse control Device processed is connect with the pulse power, and Image Acquisition is connect with processing terminal with infrared detector, impulse controller and Image Acquisition with It is connected between processing terminal by synchronism generating device;
C, the output of the impulse controller control pulse power to apply the pulse telecommunications with certain frequency to photovoltaic module Number;
D, synchronism generating device realizes the precise synchronization of pulse electrical signal and Image Acquisition;
E, Image Acquisition and processing terminal obtain the infraluminescence image sequence of photovoltaic module to be measured and carry out data processing The infrared image of photovoltaic module to be measured is obtained, realizes the detection to photovoltaic module to be measured.
Filtering apparatus is set in infrared detector front end, the filtering apparatus is optical filter or optical filtering.The infrared spy It surveys device and is mounted on the upper surface of tripod, adjust position and the angle of tripod, infrared detector is made to be directed at photovoltaic group to be tested Part.
Using the present apparatus, defects detection of the photovoltaic module under natural light environment is realized, which has structure Simply, the advantages that easy to use.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention. Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention Within protection scope.

Claims (10)

1. a kind of infrared defect inspection method of the outdoor photovoltaic plant under natural light environment, which is characterized in that including following step It is rapid:
A, infrared detector is arranged in the front of photovoltaic module to be measured, infrared detector is made to be directed at photovoltaic group to be tested Part;
B, the positive and negative anodes of the pulse power are wired to respectively on the positive and negative anodes of photovoltaic module to be measured, by impulse controller It is connect with the pulse power, Image Acquisition is connect with processing terminal with infrared detector, impulse controller and Image Acquisition and processing It is connected between terminal by synchronism generating device;
C, the output of the impulse controller control pulse power to apply the pulse electrical signal with certain frequency to photovoltaic module;
D, synchronism generating device realizes the precise synchronization of pulse electrical signal and Image Acquisition;
E, the infraluminescence image sequence that Image Acquisition and processing terminal control infrared detector obtain photovoltaic module to be measured is gone forward side by side Row data processing obtains the infrared image of photovoltaic module to be measured, realizes the detection to photovoltaic module to be measured.
2. the infrared defect inspection method of the outdoor photovoltaic plant under a kind of natural light environment according to claim 1, It is characterized in that, filtering apparatus is set in infrared detector front end.
3. the infrared defect inspection method of the outdoor photovoltaic plant under a kind of natural light environment according to claim 2, It is characterized in that, the filtering apparatus is optical filter or optical filtering.
4. the infrared defect inspection method of the outdoor photovoltaic plant under a kind of natural light environment according to claim 1, It is characterized in that, the infrared detector is mounted on the upper surface of tripod, adjusts position and the angle of tripod, makes infrared detector It is directed at photovoltaic module to be tested.
5. the infrared defect inspection method of the outdoor photovoltaic plant under a kind of natural light environment according to claim 1, It is characterized in that, the synchronism generating device is data collecting card.
6. the infrared defect detecting device of the outdoor photovoltaic plant under a kind of natural light environment, for being carried out to photovoltaic module to be measured Detection, which is characterized in that including infrared detector, the pulse power, impulse controller, Image Acquisition and processing terminal and synchronous send out Generating apparatus, the infrared detector are arranged in the front of photovoltaic module to be measured, the positive and negative anodes of the pulse power be connected to Survey photovoltaic module positive and negative anodes on, the impulse controller is connect with the pulse power, described image acquire with processing terminal with it is red External detector connection, is connected between the impulse controller and Image Acquisition and processing terminal by synchronism generating device.
7. the infrared defect detecting device of the outdoor photovoltaic plant under natural light environment, feature exist according to claim 6 In in infrared detector front end setting filtering apparatus.
8. the infrared defect detecting device of the outdoor photovoltaic plant under natural light environment, feature exist according to claim 7 In the filtering apparatus is optical filter or optical filtering.
9. the infrared defect detecting device of the outdoor photovoltaic plant under natural light environment, feature exist according to claim 6 In the infrared detector is mounted on the upper surface of tripod.
10. the infrared defect detecting device of the outdoor photovoltaic plant under natural light environment, feature exist according to claim 6 In the synchronism generating device is data collecting card.
CN201711276817.1A 2017-12-06 2017-12-06 The infrared defect inspection method and device of outdoor photovoltaic plant under natural light environment Pending CN109884077A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110487803A (en) * 2019-08-20 2019-11-22 Oppo(重庆)智能科技有限公司 The defect inspection method and device of infrared light-emitting component
WO2021027366A1 (en) * 2019-08-12 2021-02-18 华为技术有限公司 Method, device and system for detecting cell sheet of photovoltaic power station

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US20090257646A1 (en) * 2006-02-07 2009-10-15 U-Seock Moon Apparatus and method for detecting defects in wafer using line sensor camera
CN103808727A (en) * 2012-11-13 2014-05-21 上海太阳能工程技术研究中心有限公司 Solar photovoltaic panel fault diagnosis method
CN204758479U (en) * 2015-05-20 2015-11-11 上海太阳能工程技术研究中心有限公司 Auto focus device of infrared defect detecting system of photovoltaic power plant
CN105790711A (en) * 2014-12-26 2016-07-20 国家电网公司 Detection method and system for silicon-based module defects of photovoltaic power station
CN106301211A (en) * 2015-05-20 2017-01-04 上海太阳能工程技术研究中心有限公司 The infrared defect inspection method of wireless remote control type auto-focusing photovoltaic module
CN107257230A (en) * 2017-08-07 2017-10-17 苏州热工研究院有限公司 A kind of EL detecting systems of photovoltaic plant
CN207600972U (en) * 2017-12-06 2018-07-10 上海太阳能工程技术研究中心有限公司 The infrared defect detecting device of outdoor photovoltaic plant under natural light environment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090257646A1 (en) * 2006-02-07 2009-10-15 U-Seock Moon Apparatus and method for detecting defects in wafer using line sensor camera
CN103808727A (en) * 2012-11-13 2014-05-21 上海太阳能工程技术研究中心有限公司 Solar photovoltaic panel fault diagnosis method
CN105790711A (en) * 2014-12-26 2016-07-20 国家电网公司 Detection method and system for silicon-based module defects of photovoltaic power station
CN204758479U (en) * 2015-05-20 2015-11-11 上海太阳能工程技术研究中心有限公司 Auto focus device of infrared defect detecting system of photovoltaic power plant
CN106301211A (en) * 2015-05-20 2017-01-04 上海太阳能工程技术研究中心有限公司 The infrared defect inspection method of wireless remote control type auto-focusing photovoltaic module
CN107257230A (en) * 2017-08-07 2017-10-17 苏州热工研究院有限公司 A kind of EL detecting systems of photovoltaic plant
CN207600972U (en) * 2017-12-06 2018-07-10 上海太阳能工程技术研究中心有限公司 The infrared defect detecting device of outdoor photovoltaic plant under natural light environment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021027366A1 (en) * 2019-08-12 2021-02-18 华为技术有限公司 Method, device and system for detecting cell sheet of photovoltaic power station
CN110487803A (en) * 2019-08-20 2019-11-22 Oppo(重庆)智能科技有限公司 The defect inspection method and device of infrared light-emitting component

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