[1]李志伟,东 伟,黄双成.基于DHT11的农业大棚温湿度监控系统设计[J].工业仪表与自动化装置,2021,(01):39-43.[doi:10.3969/j.issn.1000-0682.2021.01.009]
　LI Zhiwei,DONG Wei,HUANG Shuangcheng.Design of temperature and humidity monitoring system for agricultural greenhouse based on DHT11[J].Industrial Instrumentation & Automation,2021,(01):39-43.[doi:10.3969/j.issn.1000-0682.2021.01.009]
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基于DHT11的农业大棚温湿度监控系统设计

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:
期数:
2021年01期
页码:
39-43
栏目:
出版日期:
2021-02-15

文章信息/Info

Title:
Design of temperature and humidity monitoring system for agricultural greenhouse based on DHT11
作者:
李志伟; 东 伟; 黄双成
河南应用技术职业学院 机电工程学院，河南 郑州 450042
Author(s):
LI Zhiwei; DONG Wei; HUANG Shuangcheng
Mechanical and electrical engineering college, Henan Vocational College of Applied Technology, Henan Zhengzhou 450042, China
关键词:
温湿度; DHT11; AT89C52; 单片机; LCD1602; 按键
Keywords:
temperature and humidity;  DHT11;  AT89C52;  singlechip;  LCD1602; Key
分类号:
TP277
DOI:
10.3969/j.issn.1000-0682.2021.01.009
文献标志码:
A
摘要:
合适的温湿度是工农业高效生产的重要保障，针对大棚农业生产温湿度监控自动化程度不高的现状，该文设计了基于DHT11与AT89C52的单片机温湿度监控系统。数字传感器DHT11检测生产对象的温湿度，检测值以数字信号形式直接传输给AT89C52单片机，并通过液晶显示器LCD1602显示出来。生产对象所需的温湿度高低限值通过按键进行设置，当温湿度超过预设高低限值时，蜂鸣器报警，相应的状态指示灯点亮，同时相应的控制电路接通进行相应的加热、降温、加湿、除湿等操作，确保生产对象处于最佳状态下进行高效生产。经过实践测试，该系统运行稳定、结构简单、成本低廉、测试精确，具有较大的实践意义及推广价值。
Abstract:
Proper temperature and humidity is an important guarantee for efficient production in industry and agriculture, in view of the low automation level of temperature and humidity monitoring in greenhouse agricultural production, a temperature and humidity monitoring system based on DHT11 and AT89C52 is designed. The digital sensor DHT11 detects the temperature and humidity of the production object, and the detection value is transmitted directly to the AT89C52 microcontroller in the form of digital signal, and is displayed through the LCD LCD1602. The temperature and humidity level of production of the desired object limit set through the buttons, when the temperature and humidity level exceeds the preset limit, the corresponding status indicator light, and the corresponding control circuit is connected to the corresponding heating, cooling, humidification and dehumidification operation, ensure the production object is in the best condition for efficient production. After a practice test, the system is stable, simple in structure, low in cost and accurate in testing. It has great practical significance and popularization value.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2020-06-04
作者简介：
李志伟（1985），男，河南平顶山人，讲师，硕士学位，主要研究方向为工业检测与控制及风力发电控制技术。
更新日期/Last Update: 1900-01-01