US 11,940,389 B2
Device for recognizing defects in finished surface of product
Liu-Bin Hu, Shenzhen (CN); and Wei Yang, Shenzhen (CN)
Assigned to Fu Tai Hua Industry (Shenzhen) Co., Ltd., Shenzhen (CN)
Filed by Fu Tai Hua Industry (Shenzhen) Co., Ltd., Shenzhen (CN)
Filed on Dec. 15, 2021, as Appl. No. 17/551,526.
Claims priority of application No. 202121073955.1 (CN), filed on May 19, 2021.
Prior Publication US 2022/0373470 A1, Nov. 24, 2022
Int. Cl. G01N 21/88 (2006.01); G06T 7/00 (2017.01); G01N 21/89 (2006.01)
CPC G01N 21/8806 (2013.01) [G01N 21/8803 (2013.01); G06T 7/0004 (2013.01); G01N 2021/8841 (2013.01); G01N 2021/8918 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A detecting device configured for detecting a surface of a product, the detecting device comprising:
a supporting mechanism;
a transmitting mechanism carrying and transmitting the product; wherein an upward side of the product is a front of the product;
a detecting mechanism comprising a detecting frame, a blue light source, and a camera assembly, and wherein the detecting frame is arranged on the supporting mechanism to move along a first direction and a second direction perpendicular to the first direction, the blue light source is connected to the detecting frame; the blue light source emits light perpendicular to a front of the product and projected on the front of the product, the camera assembly comprises a plurality of camera members, and the camera members are arranged along the second direction; wherein an image capturing direction of the camera members are perpendicular to the front of the product, and the camera assembly obtains an image of the front of the product when the blue light source is projecting light; and
a processor connecting to the camera assembly and preprocessing the image captured by the camera assembly, the processor obtaining a detection result of the image.