Research And Achieve Of The Thermal Comfort Model Of Hot Summer And Cold Winter Zone Based On Infrared Sensor

Hot summer and cold winter zone, its climate characterized by torrid summers, chill winters and high humidity, covers a wide area in China. Lack of considering heat insulation issues of the building envelope in this area, the indoor thermal environment is unsatisfactory, even though the climatic characteristics are not as harsh as in cold regions or warm winter area. With the improvement of living standards, the requirement of the indoor thermal comfort has become more and more. Owning to the climatic characteristics in this hot summer and cold winter zone, the pursuit of better thermal comfort under the same conditions will bring about the increase of the building energy consumption. Research of the thermal comfort model of hot summer and cold winter will have great social and economic value with the scientific guidance.Although the research of human thermal comfort both in theory and in practical applications is already well developed, there is no sufficient research about the indoor thermal comfort in hot summer and cold winter zone. However, due to the climatic characteristics affects the thermal comfort for human being, there is a larger difference of the thermal comfort indicator in different parts. Therefore, it is necessary to study of the thermal comfort based on Hefei, a typical city in hot summer and cold winter zone. In order to get factors that impact the indoor thermal comfort for human being and establish the indoor thermal comfort model of hot summer and cold winter zone, the paper made a subjective test and studied the monitoring of laboratory.At first, according to the analysis on the domestic and international research of the building energy consumption and human thermal comfort, we found that there are many problems in the study on energy efficiency and thermal comfort.Secondly, around the climate characteristics of indoor thermal environment in hot summer and cold winter zone, the paper analyzed the impact of environment factors in thermal comfort. Based on the investigation of the various factors affecting the human thermal comfort, we analyzed the each interior factor affecting the thermal comfort in the hot summer and cold winter zone. I make the air temperature, humidity and the amount of clothing as the research focuses on thermal comfort factors in this area. This provides a theoretical basis for selection of the factors, which is related to the indoor thermal comfort in the hot summer and cold winter zone.Moreover, processing and analyzing the experimental data by obtaining representative data of physical environment factors. Infrared temperature measurement is used for monitoring the temperature of the building walls. However, because of the existence of the noise affects the experimental results, effective noise reduction method has to be put forward. So, we proposed a kind of noise reduction method in infrared image based on the total variation equation, whose accuracy and feasibility is verified by monitoring the indoor walls.Finally, through monitoring the laboratory, we collected the relevant research data. Then, according the theory of neural networks, thermal comfort model based on neural networks in hot summer and cold winter zone is proposed, which is preliminary examined and described by survey a university in Hefei.In China, for the sustainable development, improving the building inside thermal environment and reducing the building energy consumption has to be addressed. Using the thermal comfort model to determine the degree of comfort, for the regulation of indoor environment factors have some significance, man gets a better comfort while the building energy efficiency is achieved.