Study On Energy Saving By 65% Technology System Of Residential Buildings In Chongqing

In the voice of our country"energy saving & rubbish reducing", under the condition of becoming the building of the design standard for energy efficiency of residential building, Chongqing, as a direct jurisdiction city of China need to lead on energy 65% technique system and carry on the analytical research towards living the building, and establish the Design standard for energy efficiency 65% of residential building.The writer carries on the investigation to Tianqi Garden and other residence area inhabitants, to provide to computing. Discussing the design standard for energy efficiency 50% technique system. Putting forward the emphases of the design standard for energy efficiency 65% technique system are flexible shading technique,auto-open window technique, ventilation in summer night, improving EER of heating&cooling equipment.The paper analyzes Chongqing can make use of the natural cooling&heating source and ventilation environment. Indeed, Chongqing has no ideal ventilation environment, we must lead the air into the house and house area, only this can creat a better ventilation. Putting forward heavy celebrate the residence of the region cold and warm regulate and should regard dynamoelectric hot pump as principle, and we should consider the direct exploitation of the natural energy well at the same time, such as ventilation in summer night etc..Generally, improving the envelope's performance is the common method of energy efficiency for residential building. The relationship among exterior walls,exterior windows and roofs in Chongqing is analyzed in the paper, and the influence of solar radiation, mainly focused on the relationship between energy consumption and window to wall area ratio, energy consumption and shading coefficient in all directions, is also in the paper. The results suggest that utilizing and decreasing the solar radiation is an important factor of energy efficiency in hot summer and cold winter region: windows should be southern or northern direction; adopt facility to avoid solar radiation, it is not distinct of Low-E window energy efficiency; optimizing window to wall area ratio.Analyzing the effect of the ventilation in summer night in energy saving. Putting forward four kinds of project to assurance the frequency of air replacing when cooling&heating. Analyzing the effect on energy saving of passive cooling in Chongqing spring and autumn. Analyzing the effect on ventilation of the building layout in Chongqing.And the effect on energy saving of weather parameter.Finally paper puts forward the Design standard for energy efficiency 65% of residential building according to the weather, technique, the humanities condition in Chongqing area. And validates the technique system also.Synchronizing all the factors to energy efficiency in the hot summer and cold winter region, it suggests that the key methods are high efficiency air conditioning equipment technique, flexible shading technique,auto-open window technique.It is important impact for building energy efficiency that the paper brings forward the Design standard for energy efficiency 65% technique system. And it had be adopted already.