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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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AI Technical Summary

Problems solved by technology

Due to the large number of coordinates on the surface of the grain pile, the use of the above measurement method has to increase the complexity of the measurement device

Method used

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  • Automatic measuring device for volume of grain pile and measuring method thereof
  • Automatic measuring device for volume of grain pile and measuring method thereof
  • Automatic measuring device for volume of grain pile and measuring method thereof

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Experimental program
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Embodiment Construction

[0039] Attached below Figure 1-4 , to describe in detail the specific embodiments of the present invention.

[0040] In the device for automatically measuring the volume of grain piles, the line laser 1 is composed of a laser and a cylindrical mirror, such as figure 2 As shown, it is connected to the stepper motor 3 through a connector 8, and connected to the power conversion board 6 through wires. The line laser 1 is used as a light source to project a line laser, and when it intersects with the surface of the grain pile, a bright light strip is generated on the surface of the grain pile, which is controlled by the control and data processing module 5 .

[0041] The camera 2 is composed of a lens, a COMS photosensitive chip, and an analog-to-digital conversion chip. The lens extends out of the chassis, such as figure 1As shown, the control and data processing module 5 is connected through the bus, such as figure 2 As shown, the power conversion board 6 is connected by w...

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Abstract

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.

Description

technical field [0001] The invention relates to a device for automatically measuring the volume and a measuring method thereof, more particularly to a device for automatically measuring the volume of grain piles and a measuring method thereof, which are used in the field of grain quantity inventory supervision. Background technique [0002] Grain is an important strategic material, and food security is related to the overall situation of China's economic development and social stability. The existing grain quantity inventory monitoring system is still not enough to provide reliable grain reserve information. China still needs to spend a lot of manpower and material resources to control the accurate quantity of grain reserves through the method of annual inventory clearance. In terms of efficiency, accuracy, cost and timeliness There are problems. [0003] In terms of grain heap volume measurement, traditional methods generally use steel tapes and other length measuring tool...

Claims

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Application Information

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IPC IPC(8): G01B11/00G01B11/24
Inventor 杨雷东吴方明吴炳方
Owner INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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