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Low-power-consumption general agricultural environment monitoring terminal

A technology for environmental monitoring and low power consumption, applied in general control systems, instruments, computer control, etc., can solve complex and changeable problems, achieve low sleep current, save construction and maintenance costs, and low power consumption.

Active Publication Date: 2021-12-28
JINLING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: The technical problem to be solved by the present invention is to continuously and stably collect all kinds of agricultural environmental data in complex and changeable agricultural production scenarios with limited power supply

Method used

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  • Low-power-consumption general agricultural environment monitoring terminal
  • Low-power-consumption general agricultural environment monitoring terminal
  • Low-power-consumption general agricultural environment monitoring terminal

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Embodiment Construction

[0082] The present invention provides a general agricultural environment monitoring terminal with low power consumption. The design of the terminal is divided into two parts: hardware and software. figure 1 It is the system block diagram of the terminal. The terminal uses the low-power dormant XC30 IoT chip integrating the main control MCU (1) and LoRa radio frequency (2), and integrates the 485 communication module (3), relay module (5) and circuit management reducer. The pressure module (6) realizes the data collection, analysis and reporting of agricultural environment monitoring; in terms of software implementation, the power consumption in the standby state of the terminal is saved through the sleep strategy, and the power consumption of the data transmission stage is optimized by setting the LoRa wireless parameters reasonably. Through the terminal registration mechanism, the plug and play of various RS485 sensors is realized.

[0083] The terminal also includes terminal p...

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Abstract

The invention discloses a low-power-consumption general agricultural environment monitoring terminal which is powered by a lithium battery, realizes wireless LoRa transmission, can dynamically integrate various RS485 sensors, and realizes general acquisition of various agricultural environment indexes. In terminal hardware, an Internet of Things chip XC30 integrating a master control MCU and LoRa radio frequency is selected, a magnetic latching relay is used for supplying power to the sensor according to needs, and a two-stage voltage reducing and stabilizing circuit is optimized. In the aspect of software, a LoRa downlink message is applied to load a sensor instruction, and a dynamic access function of a 485 sensor of a universal terminal is realized; LoRa wireless parameters are optimized: spreading factor (SF) and transmission power (TP); and a terminal working time sequence flow is set and comprises four stages of terminal dormancy, sensor preheating, data sending and data receiving, and the working duration of the terminal is prolonged through a dormancy strategy. The terminal has the characteristics of miniaturization, mobility, no construction and the like, and is suitable for online monitoring of water quality, soil, weather and gas in the fields of agricultural fields, facilities, cultivation and the like.

Description

technical field [0001] The invention relates to a general agricultural environment monitoring terminal with low power consumption. Background technique [0002] The production environment IoT data collection is an important data source of agricultural big data, and plays an extremely important role in smart agricultural production models, data analysis, intelligent control and abnormal situation warning. Agricultural production usually does not have the conditions of stable environment and mains power supply in industrial scenarios; field planting areas are large, wide-ranging and affected by strong care, rain and snow weather; pond aquaculture water quality monitoring locations are scattered, and power supply is required; facility production greenhouses Maintain high temperature and high humidity environment all year round. Restricted by the above application scenarios, the agricultural IoT data collection terminal should have two characteristics of "wireless + local power...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257Y02D30/70
Inventor 徐尚瑜张燕陈文君严冬王洪欣苗丽娟
Owner JINLING INST OF TECH
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