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Image Acquisition System for Detecting Objects

An image acquisition system and a technology for detecting objects, which are applied in the direction of measuring devices, optical devices, electromagnetic radiation induction, etc., can solve the problems of adverse effects on the image quality of light receiving units, overexposure, etc., and achieve continuous operation guarantee, simple operation, and use Effect of life improvement

Active Publication Date: 2018-05-25
SICK AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this leads to overexposure, which adversely affects the image quality of the light receiving unit
[0005] EP 1 850 269 B1 discloses a scanning device as described above, in which the light beams of the illumination units would intersect and possibly overexpose

Method used

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  • Image Acquisition System for Detecting Objects
  • Image Acquisition System for Detecting Objects
  • Image Acquisition System for Detecting Objects

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0027] figure 1 A schematic diagram of an image acquisition system 1 according to the present invention is shown, which in this embodiment has two illumination units 2, 2a and two light receiving units 3, 3a. Each lighting unit 2, 2a is associated with a light receiving unit 3, 3a such that two lighting units 2, 2a or light receiving units 3, 3a are arranged at an angle of approximately 45° to each other on one side of the conveyor belt FB.

[0028] The lighting and light receiving units 2, 2a, 3, 3a define an acquisition area EB on the conveyor belt FB such that objects O transported on the conveyor belt FB are illuminated by the illumination units 2, 2a in the acquisition area EB. The light reflected at the object O is collected by the light receiving unit 3, 3a, thereby enabling the detection of the outline of the object O.

[0029] To this end, each lighting unit 2 , 2 a emits a light beam L2 , L2 a with a defined light wavelength λ2 , λ2 a (in particular light with diffe...

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PUM

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Abstract

The invention relates to an image acquisition system for detecting objects. In order to obtain high-resolution images when acquiring object contours, an image acquisition system for detecting objects is proposed, which has: a defined acquisition area, in which objects moving through the acquisition area can be detected; at least two a lighting unit for illuminating the collection area with light beams respectively; and at least two light receiving units for receiving light reflected at the object, wherein each lighting unit is associated with a light receiving unit, and wherein the lighting unit Light beams with defined light wavelengths are respectively emitted, and the light receiving units are designed to receive the corresponding, associated, defined light wavelengths of the reflected light, wherein, compared with one light receiving unit, the other light receiving unit The unit receives another wavelength of light.

Description

technical field [0001] The invention relates to an image acquisition system for detecting objects, which image acquisition system has: a defined acquisition area, where an object moving through the acquisition area can be detected; to illuminate the collection area; and at least two light receiving units for receiving light reflected from the object. Background technique [0002] In modern industry, the level of automation of technical equipment is increasing so that objects, such as packages or assembly parts, are transported from A to B in automated operations. It is important in this case that objects moving on the conveyor belt are detected correctly and with the required level of detail. In particular, for example, when an identification barcode on an object is to be read out, it must be ensured that the contour of the object on the one hand and the identification barcode on the other hand are unambiguously detected. [0003] For this purpose, the conveyor belt is ill...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K7/10G06V10/141G06V10/143
CPCG06K7/10732G06V10/141G06V10/143G01B11/24
Inventor 克莱门斯·韦尔勒陆龙
Owner SICK AG
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