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　　成(cheng)品氣(qi)樓(通(tong)風天(tian)窗)設(she)置(zhi)在建(jian)(jian)筑(zhu)屋面通(tong)風口上，在建(jian)(jian)筑(zhu)內(nei)的空氣(qi)依靠自然(ran)壓力(li)流動排(pai)出(chu)過程(cheng)中，防止建(jian)(jian)筑(zhu)外環境(jing)氣(qi)流倒灌影響通(tong)風和造成(cheng)建(jian)(jian)筑(zhu)環境(jing)污染(ran)的自然(ran)通(tong)風采光裝置(zhi)。下面簡單介紹下成(cheng)品氣(qi)樓的性能及概念。

　　成品氣樓相關技術概念(nian)及(ji)指標：

　　1.成品氣樓如(ru)何實現(xian)自(zi)然通(tong)風(feng)(feng)：是(shi)建筑依靠自(zi)然壓(ya)力(熱壓(ya)、風(feng)(feng)壓(ya))利(li)用屋面通(tong)風(feng)(feng)口形(xing)成自(zi)然通(tong)風(feng)(feng)功能(neng)。

　　2.成(cheng)品通風氣樓的自然采光功用(yong)(yong)：建筑屋面或屋面通風裝置采用(yong)(yong)透光材(cai)料獲得的外部自然采光功能。

　　3.氣(qi)(qi)樓的(de)避(bi)風(feng)性能(neng)：是建筑(zhu)防(fang)止雨雪沙塵等污(wu)染物隨外部(bu)(bu)氣(qi)(qi)流(liu)倒灌(guan)(guan)(guan)滲漏(lou)的(de)防(fang)護功(gong)能(neng)。固(gu)定避(bi)風(feng)：通風(feng)裝置(zhi)內部(bu)(bu)相互重疊(die)形成的(de)防(fang)止外部(bu)(bu)氣(qi)(qi)流(liu)倒灌(guan)(guan)(guan)固(gu)定結構關(guan)系。調節(jie)避(bi)風(feng)：通風(feng)裝置(zhi)依靠控(kong)制(zhi)排(pai)風(feng)口開度(du)形成的(de)防(fang)止外部(bu)(bu)氣(qi)(qi)流(liu)倒灌(guan)(guan)(guan)的(de)能(neng)力(li)。在一定的(de)惡(e)劣氣(qi)(qi)候條件下無需(xu)關(guan)窗(chuang)，仍能(neng)夠保持建筑(zhu)正(zheng)常通風(feng)。

　　4.透(tou)光(guang)率(lv)：通(tong)風采光(guang)氣樓防雨板所使用采光(guang)材料的透(tou)光(guang)性(xing)能指(zhi)標。

　　5.采光散射角：自(zi)然(ran)光通過(guo)通風裝置和屋面通風口形(xing)成的建筑采光角度。

　　6.采(cai)(cai)光(guang)(guang)(guang)通(tong)(tong)風(feng)一(yi)體化：一(yi)直(zhi)以(yi)來，受產品(pin)技(ji)術和材料技(ji)術制約，建筑(zhu)屋(wu)(wu)面(mian)自(zi)(zi)然采(cai)(cai)光(guang)(guang)(guang)與(yu)自(zi)(zi)然通(tong)(tong)風(feng)技(ji)術產品(pin)呈分化的(de)形式，分別為(wei)(wei)(wei)(wei)以(yi)國標(biao)圖集(ji)11CJ33《通(tong)(tong)風(feng)采(cai)(cai)光(guang)(guang)(guang)天窗(chuang)》、05J621-3《通(tong)(tong)風(feng)天窗(chuang)》、06K105《屋(wu)(wu)頂自(zi)(zi)然通(tong)(tong)風(feng)器的(de)選用與(yu)安(an)裝》代(dai)表的(de)以(yi)通(tong)(tong)風(feng)為(wei)(wei)(wei)(wei)主(zhu)的(de)屋(wu)(wu)面(mian)自(zi)(zi)然通(tong)(tong)風(feng)采(cai)(cai)光(guang)(guang)(guang)氣樓(通(tong)(tong)風(feng)器、通(tong)(tong)風(feng)天窗(chuang))，以(yi)及09J621-2《電動采(cai)(cai)光(guang)(guang)(guang)排煙天窗(chuang)》為(wei)(wei)(wei)(wei)代(dai)表的(de)以(yi)采(cai)(cai)光(guang)(guang)(guang)功能為(wei)(wei)(wei)(wei)主(zhu)的(de)屋(wu)(wu)面(mian)自(zi)(zi)然采(cai)(cai)光(guang)(guang)(guang)裝置(zhi)。為(wei)(wei)(wei)(wei)減小(xiao)建筑(zhu)設計施工(gong)的(de)復雜性，降(jiang)低建筑(zhu)造價(jia)為(wei)(wei)(wei)(wei)目的(de)，許多企業與(yu)設計單位多方探討(tao)屋(wu)(wu)面(mian)自(zi)(zi)然采(cai)(cai)光(guang)(guang)(guang)通(tong)(tong)風(feng)技(ji)術的(de)融合，希望發展屋(wu)(wu)面(mian)自(zi)(zi)然采(cai)(cai)光(guang)(guang)(guang)通(tong)(tong)風(feng)一(yi)體化技(ji)術。

　　成品(pin)(pin)氣樓(屋(wu)頂(ding)通風器(qi))是由輕鋼結構、圍護(hu)彩板和控制裝置(zhi)組(zu)成，是在(zai)輕鋼結構建筑(zhu)應用中擴展(zhan)的建筑(zhu)屋(wu)頂(ding)自然(ran)通風產品(pin)(pin)。成品(pin)(pin)氣樓可(ke)以(yi)理解為進化的、具(ju)有更(geng)多使(shi)用功(gong)能(neng)的天窗，是不斷完善功(gong)能(neng)和整(zheng)體性的屋(wu)頂(ding)自然(ran)通風裝置(zhi)。