Automatic measuring device for volume of grain pile and measuring method thereof
An automatic measurement and grain pile technology, which is applied in the field of automatic volume measurement devices and grain pile volume measurement devices, can solve the problems of increasing the complexity of the measurement device, and achieve the effects of simple structure, high measurement accuracy and low price.
Inactive Publication Date: 2013-09-18
INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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The invention relates to an automatic measuring device for volume of a grain pile and a measuring method thereof. The measuring device consists of a line laser, a camera, a stepping motor, a motor driver, a control and data processing module, a power adapter, a case and a connector. The line laser is used as a light source to project line laser, and when the line laser is intersected with the surface of the grain pile, a bright bar is generated on the surface of the grain pile. The measuring method comprises the following steps: inputting shot bright bar images to the data processing module by the camera; processing all bright bar images by the data processing module to reconstruct shape of the grain pile; and calculating the volume of the grain pile by combining a known granary structure. According to the invention, the volume of the grain pile can be precisely measured in real time online, and the measurement is simple, low in cost and large in field of view, so that the metering safety of national grain reserves is ensured.
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