The machine vision system consists of the following parts:
1. Camera: black and white intelligent camera, line scan intelligent camera, color intelligent camera, CMOS intelligent camera, code reader, etc.
2. Board card: black and white image acquisition card, image compression/decompression board card, color acquisition card, 1394 interface board card, image processing board card;
3. Software package: image processing software, machine vision tool software;
4. Industrial CAMERA: cmos camera, ccd color camera, front array camera, CAMERA-LINK camera, line scan camera, infrared camera, high speed camera, 1394 interface camera;
5. Industrial lens: camera lens, magnifying glass, high resolution lens, image scanning lens, focusing lens, telescope, camera lens
6. Light source: led light source, xenon lighting system, ultraviolet lighting system, infrared light source, optical fiber lighting system, fluorescent lighting system;
7. Auxiliary products: calibration block, grating, ring, wire and connector, power supply, bottom plate;
8. Image processing systems: optical text, recognition systems, automation/robotics, infrared image systems;
9. Optical system: microscope, laser scanner, electronic video endoscope, industrial endoscope;
Working process of machine vision system:
1. The workpiece positioning detector detects that the object has moved close to the center of visual field of the camera system, and sends trigger pulse to the image acquisition part.
2. The image acquisition part sends startup pulse to the camera and lighting system respectively according to the preset procedure and delay.
3. The camera stops the current scan and starts a new frame scan, or the camera is in a waiting state before the start pulse arrives and starts a frame scan after the start pulse arrives.
4. Open the exposure mechanism before the camera starts a new frame scanning, and the exposure time can be set in advance.
5. Another start pulse turns on the lighting, which should be turned on at the same time as the camera's exposure time.
6. After the camera is exposed, the scanning and output of a frame of image are officially started.
7, the image acquisition part receives analog video signal through A/D to digitize it, or directly receive digital video data after the camera digitization.
8, the image acquisition part of the digital image stored in the processor or computer memory.
9. The processor processes, analyzes and recognizes the image to obtain measurement results or logical control values.
10, processing results control the action of the pipeline, positioning, correcting the error of the movement, etc.