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Device and method for detecting position of object

A detection device and detection method technology, applied in the direction of measuring device, lubrication indicator device, liquid/fluid solid measurement, etc., can solve the problems of not being suitable for high temperature, dusty and liquid environment, and being easily affected by the environment

Inactive Publication Date: 2009-11-25
CHANGSHU INSTITUTE OF TECHNOLOGY
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Problems solved by technology

However, it is easily affected by the environment and is not suitable for high temperature, dusty and liquid environments

Method used

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  • Device and method for detecting position of object
  • Device and method for detecting position of object

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[0016] An object position detection device, such as figure 1 As shown, it includes a bracket 1 installed above the position of the object to be measured, an image acquisition device 2 and an image projection device 3, wherein the image projection device 3 is fixed on the bracket 1 directly above the object to be measured or the liquid surface, and the projection angle Adjustable; the image acquisition device 2 used to acquire object images is installed on the bracket and connected with a computer through a communication cable. In order to correctly determine the precise position of the object to be measured, we need to ensure that the lenses of the image acquisition device 2 and the standard image projection device 3 are perpendicular to the object to be measured. As far as the liquid steel level measurement is concerned, the two lenses are perpendicular to the liquid steel surface.

[0017] A detection method of an object position detection device, such as figure 2 As show...

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Abstract

The invention discloses a device and a method for detecting the position of an object. The device comprises a bracket, an image acquiring device and a video projecting device, wherein the bracket, the image acquiring device and the video projecting device are arranged above an object to be detected; the video projecting device is arranged on the bracket and is adjustable in projecting angle; and the image acquiring device is used for acquiring a projected image on the surface of the object to be detected and is arranged on the bracket and connected with a computer through a communication cable. The method comprises the following steps: using the video projecting device to project a concentric circle or other figures on the object to be detected; using the acquired projecting image to adjust the angle of lenses of the projecting device and the image acquiring device and making the angle perpendicular to the object to be detected; because the size of the image projecting on the object changes along with the change of the position of the object to be detected, acquiring an image changing along the change of the position by the image acquiring device; and finally processing the image by a computer picture mode recognition system to calculate the position of the object. The device and the method have the characteristics of low cost, no need of defending, strong anti-interference performance, convenient installation and debugging, and simple and convenient operation.

Description

Technical field: [0001] The invention relates to a position detection system, in particular to an object position detection device and a detection method thereof. Background technique: [0002] With the development of modern visual theory and technology, people can not only simulate the functions that the human eye can complete, but more importantly, it can complete the work that the human eye cannot do, such as in steel smelting, petrochemical, glass industry and other industries We often need to measure the height of the molten liquid level or material level, but due to the harsh environment of high temperature and high pressure, these tasks are difficult for us to complete by ourselves, and must be done by machines. [0003] At present, as far as liquid level measurement such as molten steel is concerned, the commonly used liquid level measurement methods are basically eddy current probe measurement, float measurement, isotope measurement and radar measurement. [0004] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/292
Inventor 王小英陈英革朱丽敏李班化蔡兵秦志刚周蓓尹震宇
Owner CHANGSHU INSTITUTE OF TECHNOLOGY
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