【mcuclub-201】基于单片机的果蔬存储测控系统设计【设计说明书】

设计简介：

项目名：基于单片机的温湿度控制系统-标准版
单片机：STC89C52
功能：
1、通过DHT11温湿度模块检测当前温湿度，如果高于或低于设置温度上下限值时，加热、制冷、加湿、除湿分别打开。
2、通过按键进入设置界面调整上限限值。
3、通过LCD1602显示屏显示温湿度值和设置限值。

总字数：11729

摘    要

果蔬产品由于产销地分离的现状导致无法做到即产即卖，必须经过收购、加工、存储、运输配送及销售等中间环节才能最终销售给消费者，再加之果蔬产品对温湿度要求很高，为了确保果蔬产品质量安全，必须严格控制果蔬存储仓库的温湿度，做到果蔬从收购到销售的全程温控，以降低果蔬在存储过程中的产品质量安全风险。此次设计一款基于STC89C52单片机的果蔬仓库存储检测控制系统设计，通过采用STC89C52单片机作为主控芯片，采用DHT11检测仓库的温湿度，管理人员可以根据当前果蔬的存储温湿度环境设置温湿度上下限值，当设置的温湿度上下限值不在设定的范围之内会自动通过加热继电器、制冷继电器、加湿继电器、除湿继电器控制仓库温湿度处于设置的范围之内，在温湿度异常时，将通过蓝牙JDY-31发送短信到用户手机上。管理人员可以根据手机信息对仓库进行查看和处理。此次设计可以使得果蔬仓库的温湿度处于较为适宜的范围之内。因此对果蔬仓库存储的温湿度进行研究，对于减少果蔬产品在仓库存储过程中的损耗、确保果蔬产品质量安全及促进我国果蔬的快速良性发展具有重大意义。

关键词：果蔬存储；温湿度控制；蓝牙；测控

Abstract

Fruit and vegetable products due to the status quo of ChanXiaoDe separation cannot produce or sell namely, must go through acquisition, processing, storage, transportation, distribution and sales of the intermediate links to final sales to consumers, coupled with fruit and vegetable products of high temperature and humidity requirements, to ensure the product quality and safety of fruit and vegetable, must strictly control the temperature and humidity of the fruit and vegetable storage warehouse, The whole process of temperature control from purchase to sale of fruits and vegetables can reduce the product quality and safety risks in the storage process. This design is a fruit and vegetable warehouse storage detection control system design based on STC89C52 microcontroller. By using STC89C52 microcontroller as the main control chip, using DHT11 to detect the temperature and humidity of the warehouse, the management personnel can set the temperature and humidity upper limit according to the current fruit and vegetable storage temperature and humidity environment. When the upper and lower limits of temperature and humidity are not within the set range, the system automatically controls the temperature and humidity of the warehouse to be within the set range through the heating relay, refrigeration relay, humidification relay, and dehumidification relay. When the temperature and humidity are abnormal, the system sends a short message to the user’s mobile phone through Bluetooth. Managers can view and process the warehouse according to mobile phone information. This design can make the temperature and humidity of fruit and vegetable warehouse in a more suitable range. Therefore, it is of great significance to study the temperature and humidity of fruit and vegetable warehouse for reducing the loss of fruit and vegetable products in the storage process, ensuring the quality and safety of fruit and vegetable products and promoting the rapid and benign development of fruit and vegetable in China.

Key words: fruit and vegetable storage; Temperature and humidity control; Bluetooth; Measurement and control

目  录

第一章 概述 1

1.1 研究背景及其目的意义 1

1.2 国内外果蔬存储发展现状 1

第二章 系统方案设计 3

2.1 主要元器件选择 3

2.1.1 主控芯片方案选择 3

2.1.2 温湿度检测模块方案选择 3

2.1.3 显示模块方案选择 4

2.2 系统总体设计思路 4

第三章 硬件电路 6

3.1 控制核心模块电路 6

3.2 温湿度采集模块电路 6

3.3 蓝牙无线传输模块电路 7

3.4 LCD1602显示模块电路 7

3.5 报警模块电路 8

3.6 继电器模块电路 8

第四章 软件设计 10

4.1 编程软件介绍 10

4.2 主程序流程设计 11

4.3 按键函数流程设计 12

4.4 显示函数流程设计 13

4.5 处理函数流程设计 14

第五章 实物测试 16

5.1 实物焊接测试 16

5.2 实物整体焊接测试 16

5.3 实物上电测试 16

5.4 实物温湿度设置测试 19

5.5 蓝牙控制实物测试 20

第六章 结论与展望 22

致谢 23

参考文献 24

附录 26

附录1：原理图 26

附录2：PCB 27

附录3：主程序 28

……………..本设计说明书是配套实物或仿真来写的，完整的设计参考书请购买后下载，购买过程遇到任何问题请联系客服进行咨询。本资料是一次性商品，不支持退货，感谢您对单片机俱乐部的支持……………..

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