设计说明书
总字数：24000+
基于单片机的机房监测系统的设计与实现
摘要
机房是各类精密电子设备运行的核心场景，环境温湿度、烟雾浓度、光照强度是判定机房运行环境优劣、排查安全隐患的核心指标。传统机房人工巡检的运维模式存在监测间隔久、数据更新滞后、人力成本较高、无法实时排查环境异常等问题，人工记录的静态监测数据难以实现机房环境全天候动态管控。本文提出一种基于STM32F103C8T6单片机与WiFi无线传输技术的机房监测系统设计方案。系统集成多环境参数采集、本地智能控制、声光异常报警、本地人机交互、自定义阈值调节、OLED实时显示、手机端远程监控等核心功能。通过DHT11温湿度传感器、MQ-2烟雾传感器、5516光照检测模块实时采集机房环境温湿度、烟雾浓度与光照强度数据，将采集参数与用户预设的安全阈值自动比对；当机房温度、湿度、烟雾浓度超出上限阈值时，设备即刻触发本地声光报警，同时通过SRD-05VDC-SL-C继电器模块启动通风风扇完成通风散热与排烟作业，当环境光照强度低于设定最小值时，系统自动开启补光灯补足机房光照。系统搭载独立按键，支持用户本地自定义调节温湿度、烟雾、光照的安全阈值，同时可手动控制风扇与补光灯的启停状态，搭配OLED显示屏实时展示全部环境监测数据与设备工作状态。同时通过ESP8266 WiFi模块将实时监测数据远程传输至手机移动端，移动端可实时查看机房各项环境参数，支持远程修改各类监测阈值，并可通过继电器模块远程操控风扇和补光灯的开关状态。本系统有效解决传统机房人工巡检效率低、环境异常预警不及时、设备管控不便、无法远程运维的痛点，实现机房环境参数全天候自动采集、异常实时预警、本地与远程双重智能管控，大幅提升机房环境运维的自动化与智能化水平，具备良好的机房运维领域应用价值与推广前景。
关键词：单片机；机房监测；环境参数采集；智能控制；WiFi远程监控
Design and Implementation of Computer Room Monitoring System Based on Single Chip Microcomputer
The computer room is the core scenario for the operation of various precision electronic equipment. Ambient temperature, humidity, smoke concentration and light intensity are core indicators for judging the quality of the computer room operating environment and investigating potential safety hazards. The traditional manual inspection and operation mode of computer rooms has defects such as long monitoring intervals, lagging data update, high labor costs, and inability to detect environmental abnormalities in real time. The static monitoring data recorded manually cannot realize all-weather dynamic management and control of the computer room environment. This paper proposes a design scheme of a computer room monitoring system based on STM32F103C8T6 single chip microcomputer and WiFi wireless transmission technology. The system integrates core functions including multi-environment parameter collection, local intelligent control, acoustic and optical abnormal alarm, local human-computer interaction, custom threshold adjustment, real-time OLED display and mobile terminal remote monitoring. DHT11 temperature and humidity sensor, MQ-2 smoke sensor and 5516 light detection module are used to collect real-time data of ambient temperature, humidity, smoke concentration and light intensity in the computer room, and the collected parameters are automatically compared with the safety thresholds preset by users. When the temperature, humidity or smoke concentration of the computer room exceeds the upper limit threshold, the device will immediately trigger a local sound and light alarm, and start the ventilation fan through the SRD-05VDC-SL-C relay module to complete ventilation, heat dissipation and smoke exhaust operations. When the ambient light intensity is lower than the set minimum value, the system will automatically turn on the fill light to supplement the computer room light. Equipped with independent keys, the system supports users to locally and custom adjust the safety thresholds of temperature, humidity, smoke and light, and can manually control the start and stop status of fans and fill lights. The OLED display screen is matched to real-time display all environmental monitoring data and equipment working status. At the same time, the ESP8266 WiFi module remotely transmits real-time monitoring data to the mobile terminal. The mobile terminal can view various environmental parameters of the computer room in real time, support remote modification of various monitoring thresholds, and remotely control the switch status of fans and fill lights through the relay module. This system effectively solves the pain points of low efficiency of traditional manual inspection of computer rooms, untimely early warning of environmental abnormalities, inconvenient equipment management and control, and inability of remote operation and maintenance. It realizes all-weather automatic collection of computer room environmental parameters, real-time early warning of abnormalities, and dual local and remote intelligent management and control, which greatly improves the automation and intelligence level of computer room environmental operation and maintenance, and has good application value and promotion prospects in the field of computer room operation and maintenance.
Keywords: Single Chip Microcomputer; Computer Room Monitoring; Environmental Parameter Collection; Intelligent Control; WiFi Remote Monitoring
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