| CPC G06T 7/0004 (2013.01) [B25J 11/005 (2013.01); G06T 7/11 (2017.01); H01M 10/4285 (2013.01); H04N 23/695 (2023.01); H04N 23/74 (2023.01); H04N 23/90 (2023.01); G06T 2207/10152 (2013.01); G06T 2207/20212 (2013.01)] | 19 Claims |
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1. An appearance inspection apparatus for a secondary battery, the apparatus comprising:
a tray configured to load and arrange secondary batteries in a lengthwise direction, and comprising a plurality of holes through which bottoms of the loaded secondary batteries are exposed downward;
a lateral inspection module configured to obtain a lateral image of the secondary battery while picking up and rotating the plurality of secondary batteries loaded in the tray; and
top and bottom inspection modules configured to obtain top and bottom images of the secondary battery while the plurality of secondary batteries are being loaded in the tray,
wherein the lateral inspection module comprises:
a hand configured to pick up a predetermined number of secondary batteries among a plurality of secondary batteries loaded in the tray side by side, transport the picked-up secondary batteries to a lateral inspection position, and rotate the picked-up secondary batteries at a time;
a lateral lighting unit configured to emit light to all the plurality of secondary batteries;
a lateral camera configured to simultaneously obtain captured images of the plurality of secondary batteries to which the light is emitted; and
an image processor configured to obtain an inspection image by processing the images obtained by the lateral camera,
wherein the image processor divides the captured image obtained by the lateral camera into individual image areas as areas in which the secondary batteries are captured, respectively. and
wherein the inspection image is generated by combining the individual image areas for each captured image of one secondary battery.
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