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Industrial line scanning intelligent camera
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A smart camera and line scanning technology, which is applied to the scanning of TV system details, TV, color TV parts, etc., can solve the problems of high cost, difficulty, and long development cycle of secondary development, and achieve high cost performance and high integration high speed, easy to use and reliable results
Inactive Publication Date: 2010-12-08
天津市纽莱特光源技术有限公司
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[0003] The purpose of the present invention is to solve the problems of high secondary development cost, high difficulty and long development cycle of existing line scanning machine vision products, and provide a cost-effective, simple and reliable, high-speed intelligent type for industrial machine vision detection. Line scan industrial cameras can be widely used in various industrial online visual inspection applications
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Embodiment 1
[0023] Such as figure 1 and figure 2 As shown, the host device of an industrial line scan smart camera is composed of a casing 1, a lens interface 2, an imaging lens 3, and several internal circuit modules 4, 5, 6, and 7. The casing is designed with an L-shaped bracket, and the upper part is equipped with a shield ( figure 1 middle dotted line), there is a long strip-shaped slit at the front of the casing, and the lens interface 2 is installed at the front of the casing. The imaging lens 3 and the lens interface 2 are interconnected through a rotating bayonet. The slit is imaged on the surface of the line scan CCD sensor 8 . The CCD sensor 8 is connected with the final drive module 4 and is closely attached to the inner side of the casing. The photosensitive surface of the CCD sensor 8 coincides with the slit, which can effectively eliminate the interfering light. The final drive module 4, the analog front-end and digitization module 5, the image processing module 6, and th...
Embodiment 2
[0026] The industrial line scan smart camera designed according to Embodiment 1 is used for online visual detection of mobile phone panels, and the configuration is as follows:
[0027] Imaging lens: 60mm f2.8 industrial line scan flat image field vision lens;
[0029] Camera size: 65mm (width) × 65mm (height) × 80mm (length) (excluding lens, lens interface and connector);
[0030] Camera speed: drive frequency 40MHz, line scanning frequency 5.2KHz, mobile phone panel online speed 50mm / s;
[0031] Resolution: The system resolution is 0.01mm, and the minimum defect detection accuracy is 0.05mm. Each mobile phone panel scan image is 55 million pixels.
[0032] Inspection content: small scratches, peeling paint, orange spots and other defects on the surface of the mobile phone panel.
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Abstract
An industrial line scanning intelligent camera comprises components such as an imaging lens, a line scanning CCD photoelectric sensor, an analog front end and digitalization module, a digital signal processing module, a power supply, an interface module and the like. The camera is installed at the industrial assembly to run independently, and the interface module is used for communicating with the PC and is equipped with special functions. The camera is not only small and exquisite in shape, low in cost, and convenient in installation and use, but also has strong commonality, the camera provides a plurality of standard processing modules within the existing range of line scanning industrial machine visual detection, the user only needs to set by an imaged interface software to satisfy various line scanning industrial visual detection applications. The detection application comprises the non-contact measurement of geometric sense, bar code reading, on-line surface defect detection, color selection, feature identification and screening, gray scale identification and other machine visual detection plans, signals used for defect and feedback control can be automatically output and theinterface signal of the real time work of a plurality of cameras in parallel is provided.
Description
【Technical field】 [0001] The invention relates to an industrial line scanning intelligent camera, which belongs to the technical field of industrial machine vision detection. 【Background technique】 [0002] At present, commonly used industrial machine vision inspection products are divided into two categories: area array and line scan according to the classification of sensors. The former belongs to two-dimensional image sensors, and the latter belongs to one-dimensional image sensors. Both types of sensors can be used for two-dimensional image industrial visual inspection. , the difference is that the former can obtain a two-dimensional image in one imaging, and the latter must be scanned and stitched into a two-dimensional image. In some specific application fields, such as high-precision geometric quantity measurement, high-speed online real-time detection (production line speed 2 m / s to 10 m / s), area array sensors cannot meet visual inspection due to inherent low speed a...
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