鋁合金門窗設備建筑設計理論專家講：“窗戶作為建筑外維護結構，其功能必須具備良好的保溫、隔熱、隔聲性能，具有足夠的氣密性、水密性和抗風壓強度”?，F(xiàn)在很多房地產開發(fā)商深知眾多消費者的消費心理，充分利用窗戶是建筑的眼睛這一比喻，熱衷宣傳抄作各種材料技術，以新穎造型和醒目色彩吸引人們的眼球。按照中國建筑金屬結構協(xié)會鋁合金門窗委員會提供的資料表明：“鋁合金門窗屬于性價比比較高的產品”。首先說傳熱系數(shù)(K值)的性能，專家指出：“通過科學實驗，三腔結構的U-PVC型材的傳熱系數(shù)可達到1.9W/(平米.K)，國內有些企業(yè)開發(fā)的四腔、五腔結構的U-PVC塑料窗體系，傳熱系數(shù)已經達到1.7W/(平米.K)。這個數(shù)字是其它材料無法比擬的”。鋁合金門窗開啟方式主要有推拉、外開、內開、內開上懸，新型的開啟方式有推拉上懸式。

Experts on architectural design theory of aluminum alloy doors and windows, experts say, "windows as external maintenance structure, their functions must have good thermal insulation, heat insulation, sound insulation performance, and have enough air tightness, water tightness and wind pressure resistance". Now many real estate developers know that many consumer psychology, make full use of the window is building eyes this metaphor, keen awareness of Chaozuo materials technology, to attract people's attention to the novel and eye-catching color. According to the information provided by the aluminum alloy doors and windows Committee of the China Architectural Metal Structure Association, "aluminum alloy doors and windows are a product with a relatively high cost performance". 首先說傳熱系數(shù)(K值)的性能，專家指出：“通過科學實驗，三腔結構的U-PVC型材的傳熱系數(shù)可達到1.9W/(平米.K)，國內有些企業(yè)開發(fā)的四腔、五腔結構的U-PVC塑料窗體系，傳熱系數(shù)已經達到1.7W/(平米.K)。 

This number is incomparable to other materials. The opening mode of aluminum alloy doors and windows mainly includes push, pull, open, inside and inside, and the new type of opening is pushed and pulled up.

一般來說，推拉窗有立面簡潔、美觀，使用靈活安全、使用壽命長、采光率大、占用空間少，方便帶紗窗等優(yōu)點。外開窗有開啟面大，密封性、通風透氣性、保溫抗?jié)B性能優(yōu)良等優(yōu)點。目前鋁合金門窗主要為推拉式，其次是外開式，內開或其他開啟方式在我國使用較少。鋁合金門窗設備的結構無疑對其節(jié)能效果起著至關重要的作用，那么要達到良好的節(jié)能效果，就必須具備盡可能合理的結構。
Generally speaking, the push-pull window has the advantages of simple and beautiful facade, flexible and safe use, long service life, large daylighting rate, less space occupation, and convenient screen window. The open window has the advantages of large opening surface, sealing, ventilation and permeability, excellent heat preservation and anti permeability. At present, the aluminum alloy doors and windows are mainly pushed and pulled, followed by open type, and the internal opening or other opening methods are less used in our country. The structure of aluminum alloy doors and windows plays a vital role in the energy saving effect. If we want to achieve good energy saving effect, we must have the most reasonable structure.
要達到節(jié)約能源的效果，必須從熱力學角度去考慮。熱力學中熱量的交換分為對流、傳導和輻射。這三種方式當然也適用于建筑鋁合金門窗及幕墻。對流是在鋁合金門窗空隙間熱冷氣流的循環(huán)流動，導致熱量交換，產生熱量流失。
In order to save energy, it must be considered from the thermodynamic point of view. In thermodynamics, the exchange of heat is divided into convection, conduction and radiation. Of course, these three ways are also suitable for building aluminum alloy doors and windows and curtain walls. Convection is the circulation of heat and cold air between the gap between the aluminum alloy doors and windows, resulting in heat exchange and the loss of heat.
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