设计说明书
总字数：31000+
基于单片机的智能绿植养护和生长监测系统设计与研究
摘要
规模化绿植培育、家庭绿植养护场景中，环境温湿度、土壤湿度、光照强度是影响绿植生长状态、培育质量的核心环境指标。传统绿植养护模式多依赖人工经验巡查、手动调控设备，存在环境参数监测不及时、养护调控滞后、人工成本高、无法根据绿植生长需求动态适配环境参数等诸多弊端，人工粗放式养护难以实现绿植生长环境的精细化、全天候智能管控。本文设计一款基于STM32F103C8T6单片机的智能绿植养护和生长监测系统，可实现绿植生长环境参数实时监测与自适应智能养护调控。系统集成环境参数采集、智能阈值调控、本地数据显示、按键参数配置、蓝牙无线数据传输、终端远程控制、继电器智能驱动等核心功能。通过DHT11温湿度传感器、YL69土壤湿度模块、5516光照强度模块实时采集绿植生长环境的温度、空气湿度、土壤湿度与环境光照强度数据，依托预设参数阈值完成环境数据的智能比对分析。当环境温度低于设定最小值时，系统自动通过继电器模块开启加热片升温，温度回升至设定最大值后自动关闭加热设备；当土壤湿度低于阈值最小值时，自动启动水泵完成绿植灌溉，土壤湿度达标后停止灌溉作业；当环境光照强度低于设定最小值时，系统控制补光灯调至最大亮度补光，光照强度高于设定最大值时关闭补光灯，光照处于阈值区间时可根据环境光照变化动态调节补光灯亮度。系统搭载OLED显示屏，可实时本地展示环境温湿度、土壤湿度、光照强度实时数据及各类参数预设阈值；配备独立按键，支持用户本地自定义设置温度、土壤湿度、光照强度的安全调控阈值。同时系统搭载蓝牙通信模块，可将实时监测数据无线传输至手机移动端，移动端可实时查看绿植生长环境数据，还可远程修改各类参数调控阈值，通过SRD-05VDC-SL-C继电器模块精准控制加热片、灌溉水泵、补光灯的工作状态。本系统有效解决了传统绿植养护人工依赖性强、环境调控精度低、养护及时性差、监测管控智能化不足等问题，实现了绿植生长环境参数的全天候自动监测、多设备自适应智能调控、移动端远程管控，大幅提升绿植养护的精细化、智能化水平，能够有效保障绿植生长环境的稳定性与适宜性，在家庭绿植培育、小型盆栽种植、室内绿植养护等场景中具备较高的实用价值与推广前景。
关键词：STM32单片机；智能绿植养护；环境参数监测；自适应调控；蓝牙远程控制
In the scenarios of large-scale green plant cultivation and household green plant maintenance, ambient temperature and humidity, soil humidity and light intensity are the core environmental indicators that affect the growth state and cultivation quality of green plants. The traditional green plant maintenance mode mostly relies on manual experience inspection and manual equipment regulation, which has many drawbacks such as untimely environmental parameter monitoring, delayed maintenance and regulation, high labor cost, and inability to dynamically adapt environmental parameters according to the growth needs of green plants. The extensive manual maintenance cannot realize the fine and all-weather intelligent management of green plant growth environment. This paper designs an intelligent green plant maintenance and growth monitoring system based on STM32F103C8T6 single-chip microcomputer, which can realize real-time monitoring of green plant growth environmental parameters and adaptive intelligent maintenance regulation. The system integrates core functions such as environmental parameter collection, intelligent threshold regulation, local data display, key parameter configuration, Bluetooth wireless data transmission, terminal remote control and intelligent relay driving. DHT11 temperature and humidity sensor, YL69 soil humidity module and 5516 light intensity module are used to real-time collect the temperature, air humidity, soil humidity and ambient light intensity data of green plant growth environment, and complete intelligent comparison and analysis of environmental data based on preset parameter thresholds. When the ambient temperature is lower than the set minimum value, the system automatically turns on the heating plate through the relay module for heating, and turns off the heating equipment after the temperature rises to the set maximum value; when the soil humidity is lower than the minimum threshold, the water pump is automatically started for green plant irrigation, and the irrigation operation is stopped after the soil humidity reaches the standard; when the ambient light intensity is lower than the set minimum value, the system adjusts the fill light to the maximum brightness for light supplement, turns off the fill light when the light intensity is higher than the set maximum value, and dynamically adjusts the brightness of the fill light according to the changes of ambient light when the light intensity is within the threshold range. Equipped with an OLED display screen, the system can locally display the real-time data of ambient temperature and humidity, soil humidity, light intensity and preset thresholds of various parameters in real time. It is equipped with independent keys to support users to locally customize and set the safety regulation thresholds of temperature, soil humidity and light intensity. At the same time, the system is equipped with a Bluetooth communication module, which can wirelessly transmit real-time monitoring data to the mobile terminal. The mobile terminal can view the green plant growth environment data in real time and remotely modify the regulation thresholds of various parameters. The SRD-05VDC-SL-C relay module is used to accurately control the working state of heating plates, irrigation water pumps and fill lights. This system effectively solves the problems of strong manual dependence, low accuracy of environmental regulation, poor timeliness of maintenance and insufficient intelligent monitoring and management in traditional green plant maintenance. It realizes all-weather automatic monitoring of green plant growth environmental parameters, adaptive intelligent regulation of multiple equipment and remote mobile terminal management and control, greatly improves the refinement and intelligence level of green plant maintenance, and can effectively ensure the stability and suitability of the green plant growth environment. It has high practical value and popularization prospect in household green plant cultivation, small potted planting, indoor green plant maintenance and other scenarios.
Keywords:STM32 Single-chip Microcomputer; Intelligent Green Plant Maintenance; Environmental Parameter Monitoring; Adaptive Regulation; Bluetooth Remote Control
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