High-speed visual positioning and correction system of solar cell piece and method of high-speed visual positioning and correction system

A technology of solar cells and visual positioning, which is applied in the field of visual inspection, can solve the problems of increasing the probability of workpiece damage, slow speed, and inability to adapt to the production line, so as to improve production efficiency, improve the precision of string welding, and improve the degree of flexibility and automation. Effect

Inactive Publication Date: 2017-07-07
GUANGDONG UNIV OF TECH
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Problems solved by technology

Traditional positioning usually uses the edge of the cell as the positioning reference for mechanical correction. Due to the extremely thin and fragile characteristics of the cell, th...

Method used

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  • High-speed visual positioning and correction system of solar cell piece and method of high-speed visual positioning and correction system
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  • High-speed visual positioning and correction system of solar cell piece and method of high-speed visual positioning and correction system

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Embodiment Construction

[0059] The present invention will be further described below in conjunction with specific embodiment:

[0060] See attached figure 1 As shown, a solar cell high-speed visual positioning and correction system described in this embodiment includes an image acquisition module 1, an image processing module 2, a motion control module 3 and an action execution module 4, and the four are sequentially connected;

[0061] The image acquisition module 1 includes an industrial camera 101 and a ring-shaped light source 102; wherein the ring-shaped light source 102 is positioned between the solar cells in a good position and the industrial camera 101, and the industrial camera 101 is positioned directly below the ring-shaped light source 102 and shoots vertically upwards For solar cells, it is necessary to adjust the focal length, exposure time and strobe of the industrial 101 camera before shooting; this module is used to automatically collect images of solar cells on the automatic produc...

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Abstract

The invention relates to a high-speed visual positioning and correction system of a solar cell piece and a method of the high-speed visual positioning and correction system. The system comprises an image acquisition module, an image processing module, a motion control module and an action execution module which are sequentially connected, wherein the image acquisition module is used for automatically acquiring an image of the solar cell piece on an automatic production line of the solar cell piece, the image processing module is used for analyzing the acquired image of the solar cell piece and positioning the image of the solar cell piece, and the motion control module is used for controlling the action execution module to perform position correction on the solar cell piece. The method comprises the steps of 1) acquiring a standard position and a standard angle of the solar cell piece by the system in an initialization way; 2) acquiring a current position and a current angle of the solar cell piece by the system during subsequent running; and 3) correcting the position and the angle of the solar cell piece. The system has the advantages of high positioning and angle accuracy, fast positioning speed, high automation and the like, and labor is saved.

Description

technical field [0001] The invention relates to the technical field of visual detection, in particular to a high-speed visual positioning and correction system and method for solar cells. Background technique [0002] The photovoltaic industry is the backbone of my country's new energy industry, and the country's 13th Five-Year Plan will continue to vigorously develop the photovoltaic industry. Photovoltaic module manufacturing is a major component of the photovoltaic industry. The production and manufacturing process of photovoltaic modules includes solar cell inspection and sorting, battery string welding, busbar welding, layout laying, mid-test, lamination, framing, junction box installation, and component final testing. Every process link above involves visual inspection technology, especially in the inspection, sorting, stringing and other process links of photovoltaic modules. Therefore, the degree of research on visual inspection technology will directly affect the p...

Claims

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Application Information

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IPC IPC(8): H01L31/18H01L21/68G06T7/00G06T7/80
CPCG06T7/001H01L21/681H01L31/1876Y02E10/50Y02P70/50
Inventor 张美杰张平黄坤山李力彭博
Owner GUANGDONG UNIV OF TECH
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