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Automatic detection system provided with bubble level

A bubble level and automatic detection technology, which is applied in the field of level, can solve the problems that the bubbles are not explained, the camera is prone to errors, etc., and achieve the effects of improving accuracy, improving production efficiency, and high efficiency

Inactive Publication Date: 2017-01-04
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device requires two cameras and is prone to errors, and the device does not explain how to judge whether the bubbles are fused

Method used

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  • Automatic detection system provided with bubble level
  • Automatic detection system provided with bubble level
  • Automatic detection system provided with bubble level

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Experimental program
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Embodiment Construction

[0031] The specific embodiments of the present invention will be described below with reference to the accompanying drawings.

[0032] In this embodiment, the detection platform 7 of the bubble level automatic detection system is as follows figure 1 As shown, it includes a movable hinge 1 , a level bubble 2 , a movable rotary plate 3 , an adjusting micrometer 4 and a fixed base plate 5 .

[0033] like figure 2 As shown, the image acquisition and processing unit includes a PC 10, a high-speed image acquisition card 9, an industrial camera and an optical lens 8, a light source 6, etc., and an image processing method.

[0034] In this embodiment, the image processing method includes processes such as image preprocessing, image edge detection, image feature extraction, and identification and judgment. The images obtained in real time are often imperfect, and the image quality is not high due to factors such as interference and illumination. Processing is to extract the informa...

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Abstract

The invention discloses an automatic detection system provided with a bubble level. The system comprises a detection platform, the bubble level, an execution unit, an image acquiring unit and an image processing unit, wherein the bubble level is mounted on the detection platform; the execution unit is used for adjusting the level degree of the bubble level; the image acquiring unit is used for acquiring position images of bubbles on the bubble level; the image processing unit is used for processing the acquired position images and obtaining distances between the bubbles and the center line. The positions of the bubbles in the level are measured, bubble angle values (the distances between the bubbles and the center line) are calculated, so that whether a product is qualified or not is determined; the bubble deviation condition can be reflected accurately with computer image processing and automatic control technologies, the accuracy and production efficiency of the level are improved, and the system is low in cost, simple to maintain and quite applicable to industrial production and detection processes.

Description

technical field [0001] The invention relates to the field of spirit level, in particular to an automatic detection system for a bubble level. Background technique [0002] Bubble level is a common measuring tool that is widely used in all walks of life to measure small angles. It is used to judge whether the base or platform is level according to how much the bubble on the level deviates from the center scale. The product must be calibrated for its own level before leaving the factory, that is, put the bubble level on the standard level, and check the level of the level itself from the degree of deviation of the bubble from the center. At present, domestic manufacturers mainly rely on the naked eye to judge in the detection. Obviously, this method has defects such as instability, easy to be affected by external factors, large error and slow speed. For products with high precision requirements, the naked eye is difficult to do. Therefore, there is an urgent need for a techn...

Claims

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Application Information

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IPC IPC(8): G01C25/00
CPCG01C25/00
Inventor 林峰
Owner ZHEJIANG UNIV