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Wireless Control of Residential HVAC Systems for Energy Efficient and Comfortable Homes 用于节能舒适家庭的住宅暖通空调系统的无线控制
室内环境的质量深刻地影响着居住者的舒适度、健康和生产力。暖通空调系统是控制室内环境质量的基本手段。目前的家用暖通空调系统通常由一个恒温器控制,称为单区暖通空调控制系统。单区暖通空调控制系统难以满足室内居住者的各种舒适性要求,并将能耗降至最低。多区域无线HVAC控制系统可能有助于克服单区域系统的上述限制。本文介绍了一种基于ZigBee协议的多区域暖通空调控制系统的开发。该无线HVAC控制系统由传感器监控节点、气流挡板控制器节点和中央HVAC控制节点组成。 微控制器与温度、相对湿度和运动检测传感器集成,形成传感器监控节点。通过传感器节点获取的数据通过ZigBee模块传输到无线风门控制器以及中央HVAC控制节点。每个区域的温度可以使用开发的无线HVAC控制系统单独控制。通过分析典型住宅中的信号传输可靠性以及在代表多区域室内环境的模拟室内控制温度的能力,对系统性能进行了评估。所开发的基于ZigBee的无线网状传感器和控制器网络能够快速、准确、稳定地控制多区域温度,以满足各种热舒适性要求。 据估计,该系统可能会导致27.8%的加热节能和38.6%的冷却节能。引文:ASHRAE会议论文,2010年,第116卷,pt。新墨西哥州阿尔伯克基2号
The quality of indoor environment profoundly affects the occupants’ comfort, health, and productivity. Heating, ventilation and air conditioning (HVAC) systems are the fundamental means to control the indoor environmental quality (IEQ). Current home HVAC systems are typically controlled by one thermostat, referred as single-zone HVAC control systems. Single-zone HVAC control systems are difficult to meet various comfort requirements of indoor occupants andminimize energy consumption. A multi-zone wireless HVAC control system is potentially beneficial to overcome the above limitations of single-zone systems. This paper presents the development of a ZigBee protocol-based multi-zone HVAC control system. This wireless HVAC control system consists of sensor monitoring nodes, airflow damper controller nodes, and a central HVAC control node. Microcontrollers were integrated with temperature, relative humidity and motion detection sensors to form the sensor monitoring nodes. Data acquired through the sensor nodes was transmitted to the wireless damper controllers as well as the central HVAC control node via ZigBee modules. The temperature of each zone can be controlled individually using the wireless HVAC control system developed. The system performance was evaluated by analyzing the signal transmission reliability in a typical residential house and the ability to control temperatures at simulation chambers representing multi-zone indoor environment. The developed ZigBee-based wireless mesh sensor and controller network was able to control multi-zone temperature quickly, accurately and stably to meet various thermal comfort requirements. It was estimated that the system can potentially result in a 27.8% energy saving for heating and 38.6% for cooling.
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