Roll-to-roll surface rapid detection system for stainless steel substrate of CIGS battery piece

A detection system, stainless steel technology, applied in the direction of tension measurement, measuring device, optical test defect/defect, etc., can solve the problems of low work efficiency and high production cost, and achieve the effect of high detection efficiency

Active Publication Date: 2021-04-16
ZHEJIANG SHANGYUE OPTOELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems that the detection of the surface quality of the stainless steel base coil of CIGS flexible solar cells mainly depends on the naked eye observation of workers, and the whole process needs to be tracked and recorded, the work efficiency is low, and the production cost is high, and a kind of CIGS cell stainless steel base is provided. The roll-to-roll surface rapid detection system can simultaneously complete the simultaneous detection of tension, flatness, and surface oil stains through a set of optical detection systems, greatly improving detection efficiency

Method used

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  • Roll-to-roll surface rapid detection system for stainless steel substrate of CIGS battery piece
  • Roll-to-roll surface rapid detection system for stainless steel substrate of CIGS battery piece
  • Roll-to-roll surface rapid detection system for stainless steel substrate of CIGS battery piece

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Effect test

Embodiment 1

[0022] Example 1: A rapid detection system for the roll-to-roll surface of a CIGS cell stainless steel substrate, such as figure 1 shown. The device includes an unwinding shaft 1 and a winding shaft 2, and an ultra-thin stainless steel substrate coil 3 is retracted and transported between the unwinding shaft and the winding shaft. Between the unwinding shaft and the winding shaft, several conveying rollers 4 for conveying the base coil are arranged, and a surface detection system 5 is arranged between the two conveying rollers 4 closest to the winding shaft 2 . The base web 3 between the two conveying rollers 4 closest to the winding shaft 2 is arranged obliquely upward.

[0023] Such as figure 2 , 4 As shown, the surface detection system 5 includes a laser rangefinder 6, the laser rangefinder is perpendicular to the surface of the base coil 4, and a beam splitter 7 is arranged between the laser range finder 6 and the surface of the base coil 4, and the beam splitter The ...

Embodiment 2

[0026] Example 2, a roll-to-roll surface rapid detection system for CIGS cell stainless steel substrates, such as Image 6 shown. In the present embodiment, the laser range finder comprises a laser projection lens 18 and a laser retroreflection lens 19, a beam splitter 7 is arranged below the laser projection lens, a second mirror 20 is arranged below the laser retroreflection lens, and the second reflector is parallel to the beam splitter . The transmitted light beam of the laser rangefinder passing through the beam splitter is received after being reflected twice by the back of the beam splitter 7 and the second reflector 20 when returning, so as to ensure the intensity of the optical signal. The rest of the structure of this embodiment is the same as that of Embodiment 1.

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Abstract

The invention relates to a roll-to-roll surface rapid detection system for a stainless steel substrate of a CIGS battery piece, and solves the problems that the surface quality detection of a stainless steel substrate coiled material mainly depends on naked eye observation and judgment of workers and the working efficiency is low. A plurality of conveying rollers for conveying a substrate coiled material are arranged between an unwinding shaft and a winding shaft, a surface detection system is arranged between every two adjacent conveying rollers and comprises a laser range finder, a spectroscope is arranged between the laser range finder and the surface of the substrate coiled material, and the spectroscope divides laser into a transmission light beam and a reflection light beam; the transmission light beam forms point projection on the surface of the substrate coiled material, the reflection light beam forms line projection on the surface of the substrate coiled material after passing through the beam expander and the 45-degree conical mirror, and the surface defect detection camera is arranged above the line projection. Synchronous detection of the tension degree, flatness and oil stain scratch defects of the stainless steel substrate coiled material is achieved through the same light source, and the defects of the substrate coiled material can be automatically and rapidly detected.

Description

technical field [0001] The invention belongs to the field of solar cell production, and relates to a CIGS flexible solar cell base material detection device, in particular to a CIGS cell stainless steel substrate roll-to-roll surface rapid detection system. Background technique [0002] Flexible solar cell sheet is to form solar photovoltaic material coating on flexible and rollable substrate. Copper indium gallium selenide (CIGS) thin-film battery is a solar photovoltaic material with high mass-to-power ratio and good stability, and is generally considered to be the most promising flexible solar battery material. The multi-element co-evaporation method is the most widely used CIGS coating method. The coating is completed in a vacuum environment, and copper, indium, gallium, and selenium are co-evaporated to form a polycrystalline coating on the surface of the substrate. [0003] The stainless steel substrate of CIGS flexible solar cells is the basis of the coating. The sta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88G01B11/30G01L5/04
Inventor 罗明新任宇航詹华昭于金杰
Owner ZHEJIANG SHANGYUE OPTOELECTRONICS TECH
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