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FPGA based intelligent granary monitoring system

A monitoring system and grain depot technology, applied in general control systems, control/regulation systems, program control, etc., can solve problems such as low monitoring accuracy and real-time performance, and inability to predict dangerous situations in time, and achieve complete functions and safety. High, high detection accuracy effect

Inactive Publication Date: 2019-09-20
EAST CHINA NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main method of grain depot supervision in most areas of our country is still manual monitoring, and there are many granary administrators, which leads to low monitoring accuracy and real-time performance, and it is impossible to predict danger in time. The limitations are quite obvious

Method used

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  • FPGA based intelligent granary monitoring system
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] refer to figure 1 , this embodiment includes ZigBee networking communication module, solar panel, power supply voltage stabilization module, FPGA controller, wifi module, computer PC terminal, air temperature and humidity sensor, grain pile temperature and humidity transmitter, smoke sensor, CO 2 Concentration sensor, combustible gas sensor, infrared pyroelectric sensor, flame sensor; Described ZigBee networking communication module is made up of ZigBee terminal node module and ZigBee coordinator; The output of described solar panel is connected with the input of power supply voltage stabilizing module; The output end of the power supply voltage stabilization module is connected with the power supply input end of the FPGA controller; the corresponding input port of the FPGA controller is connected with the serial port of the ZigBee coordinator, and the corresponding output port of the FPGA controller is connected with the input of the wifi module The serial port is conn...

Embodiment 2

[0037] Taking the bungalow grain depot in the national grain depot standard as an example, the length of the bungalow grain depot is 60 meters, the width is 30 meters, and the height of grain storage is 6 meters. The solar panel is placed on the roof, and the power supply voltage stabilization module, FPGA controller, ZigBee coordinator, and wifi module are placed in the control room. The exhaust fan device is placed on the wall at a height of about 6 meters, symmetrically arranged, one at an interval of 6 meters, and 10 on the left and right; the liquid crystal electronic screen is placed at a position where the wall height is 3 meters in the grain depot; The axial flow fans are symmetrically arranged, one at an interval of 10 meters, 10 on the left and right; the voice module is placed above the electronic display screen; the monitoring module and alarm module are placed at the entrance of the grain depot. The air temperature and humidity sensors DHT11, a total of 20, are ev...

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Abstract

The invention discloses an FPGA based intelligent granary monitoring system which comprises a ZigBee networking communication module, a solar panel, a power supply voltage stabilizing module, an FPGA controller, a wifi module, a PC terminal, an air temperature and humidity sensor, a grain stack temperature and humidity transmitter, a smog sensor, a CO2 concentration sensor, a combustible gas sensor, an infrared pyroelectric sensor and a flame sensor. Output of the solar panel is connected with input of the power supply voltage stabilizing module; the output end of the power supply voltage stabilizing module is connected with the power supply input end of an FPGA controller; the FPGA controller is connected with a ZigBee coordinator and the wifi module; the wifi module is connected the PC terminal; and the output end of an FPGA is successively connected with an exhaust fan device, a liquid crystal electronic screen, an axial flow blower fan, an alarm module, a voice module and a monitoring module. Thus, a granary manager can accurately and timely obtain granary information and makes automatic adjustment needless of reaching the site, the monitoring safety is high, the accuracy is high, and the application range is wide.

Description

technical field [0001] The invention belongs to the field of intelligent identification sensing and control, and is applicable to the field of management and monitoring of modern grain depots. The detection of grain conditions in the system involves signal sensing and detection technology; the exhaust fan device, axial flow fan and alarm module in the system involve signal processing technology; the information detected by the system can be transmitted to terminal equipment such as computers through the wifi module , involving wireless signal communication technology. Background technique [0002] my country is an agricultural and populous country, and food is the country's strategic material and the material basis for human survival. At the same time, grain is very susceptible to external environmental factors during storage, especially the temperature and humidity of grain depots, and the temperature and humidity of grain piles, etc. If the granary environment is not con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0428G05B2219/24024
Inventor 张润曦周洲石春琦刘元
Owner EAST CHINA NORMAL UNIV
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