Intelligent detecting discriminator for distortion and flexion characteristic error of color electron gun
A technology of intelligent detection and electron gun, which is applied in the direction of instruments, measuring devices, and measurement/testing in the manufacturing process, and can solve problems such as large impact, eye fatigue, high labor intensity, etc.
Inactive Publication Date: 2005-09-21
XI AN JIAOTONG UNIV +1
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Its measurement method needs to go through tedious steps such as manual mechanical operation, naked eye observation, and error estimation. The detection of each sample needs to be loaded and unloaded repeatedly on two types of detection equipment. It takes 2 minutes to complete the detection and judgment, and due to the high precision requirements of the electron gun device, after completing the detection of one technical index on one detection and calibration equipment, it is the process of switching to another detection equipment to detect and correct another technical index Therefore, it is difficult to ensure that the two technical indicators are accurately detected and corrected at the same time.
In addition, for product inspection, it is necessary to manually write product inspection reports. The manual inspection method makes the inspectors work continuously in a high-brightness environment, which is labor-intensive and easy to cause eye fatigue and vision loss. Product inspection is greatly affected by human factors and cannot be guaranteed. Product Inspection Consistency
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[0019] The intelligent detection and determination instrument for color tube electron gun distortion and bending error can be divided into: a mechanical positioning unit, a sample clamping unit, a two-way optical image signal acquisition unit, an image acquisition unit, and an image fusion processing unit. There are image processing software and electronic gun torsion and bending error measurement software, human-computer interaction interface and its data storage and display unit based on virtual instruments.
[0020] In the dual-channel image signal acquisition unit, one channel is used to supply constant light for measuring the curvature of the sample to overcome the interference of natural light sources, and the other channel provides positioning light source for twist measurement;
[0021] The mechanical positioning unit is used to realize the coordinate positioning of the light source, the sample and the image acquisition unit in the three-dimensional space, so as to ensu...
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This invention discloses a intelligent tester for the twist and bend property error of color electron gun, which contains mechanical positioning unit, sample holding unit, double-way optical image signal obtaining unit, image collecting unit, image blending process unit with image process software and electron gun twist and bend property error measuring software, whose test speed in 10 times higher than the traditional mode, the said method also can be used for the automatic test after somewhere modifying.
Description
technical field [0001] The invention belongs to the technical field of measuring instruments and meters, relates to a detector, and further relates to an intelligent detection and determination device for distortion and bending characteristic errors of a color tube electron gun. Background technique [0002] At present, in the field of color tube electron gun torsion and curvature detection technology, when detecting the distortion error and bending error of the electron gun, the bending error is estimated by using mechanical device measurement and manual naked eye observation with a microscope; then the distortion error is estimated by using mechanical optical device measurement and artificial naked eye observation of image information; Both are conventional conventional methods and equipment. Its measurement method needs to go through tedious steps such as manual mechanical operation, naked eye observation, and error estimation. The detection ...
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IPC IPC(8): G01D21/00H01J9/42
Inventor 韩九强刘瑞玲张新曼吴锐吴彩玲盛新高张庆明吕代忠
Owner XI AN JIAOTONG UNIV