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Grain silo status detection method and system based on bottom single-circle pressure sensor

A pressure sensor and state detection technology, which is applied in the field of granary state detection to achieve the effect of reducing sensitivity, reducing use and strong robustness

Active Publication Date: 2021-05-18
HENAN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a granary state detection method and system based on a single-circle pressure sensor on the bottom surface to solve the problem of how to further save costs and improve the accuracy of grain storage state detection based on the existing technology

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  • Grain silo status detection method and system based on bottom single-circle pressure sensor

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Embodiment Construction

[0043] The present invention provides a granary state detection system based on a single-circle pressure sensor on the bottom surface, the system includes a processor, and the processor is used to execute instructions to realize the state detection method of a granary based on a single-circle pressure sensor on the bottom surface of the present invention, the following will be combined with the accompanying drawings This method is described in further detail.

[0044] 1. Sensor layout model

[0045] In order to facilitate simultaneous detection of grain weight and state of grain storage in grain storage, for the commonly used bungalows and silos, a single-turn pressure sensor is arranged on the bottom of the grain silo, such as figure 1 with figure 2 As shown, the circle is the location of the pressure sensor. Under the condition of ensuring convenient grain loading and unloading, the distance d between each pressure sensor and the side wall can generally be taken as 1-2 me...

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Abstract

The invention relates to a granary state detection method and system based on a single-circle pressure sensor on the bottom surface. The present invention aims at the country's urgent need for state detection of grain storage and specific requirements for detection. The grain storage state detection method of the single-turn pressure sensor, the core technology of the present invention includes the size value sequence division and mean value calculation method of the sensor output, the size change value sequence division and mean value calculation method of the sensor output, and the grain storage state detection method The eigenvectors are constructed in three parts. The proposed model and detection method have the characteristics of high detection accuracy, low requirements on sensor performance, strong adaptability and robustness, and are convenient for remote online detection of granary status, which can meet the needs of remote online detection of grain storage.

Description

technical field [0001] The invention relates to a granary state detection method and system based on a single-circle pressure sensor on the bottom surface, and belongs to the technical field of sensors and detection. Background technique [0002] Grain status detection in grain storage is an important means to ensure food security. Research and application in this area is related to national food security, which is of great significance and will generate huge social and economic benefits. [0003] The Chinese invention patent document with the authorized announcement number CN105424249B discloses a method and device for detecting the state of stored grain. In this scheme, a set of inner ring pressure sensors and a set of outer ring pressure sensors are arranged on the bottom surface of the granary, and the state of grain storage is divided into three categories: grain in, grain in storage, and grain out. The classification feature vectors for the state detection of grain st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01G17/04G01L5/00
CPCG01G17/04G01L5/00
Inventor 张德贤张苗
Owner HENAN UNIVERSITY OF TECHNOLOGY