1概况1.1地板采暖的市场日本地板采暖从上个世纪九十年代开始普及由于其节能及舒适性好,近年来其应用正逐年增加目前地板采暖的热源多采用燃气加热器,此种方式大约占总采暖用户的80%,如图-1所示。但是,由于其设备的热效率难以大幅度提高,同时还存在年运转费用及环境污染等问题, 1 Overview 1.1 floor heating market Japanese floor heating from the nineties of the last century, due to its energy-saving and comfort, and its applications are increasing year by year the current floor heating more use of gas heaters heat source, this approach about 80% of the total heating users, as shown in Figure -1. However, due to its equipment thermal efficiency is difficult to substantially improve, but also exist in running costs and environmental pollution and other issues,