吸(xi)頂(ding)(ding)燈(deng)(deng)(deng)能直(zhi)接吸(xi)附在(zai)天(tian)花板上,光(guang)源(yuan)(yuan)多以白(bai)熾燈(deng)(deng)(deng)為(wei)主,照(zhao)明(ming)方式一般為(wei)向下(xia)投(tou)射、散光(guang)、全面(mian)照(zhao)明(ming)等。選擇(ze)吸(xi)頂(ding)(ding)燈(deng)(deng)(deng)尺(chi)寸時,先(xian)要(yao)(yao)(yao)考(kao)慮(lv)吸(xi)頂(ding)(ding)燈(deng)(deng)(deng)用(yong)在(zai)什么范圍。如(ru)果用(yong)作客廳光(guang)源(yuan)(yuan),要(yao)(yao)(yao)選擇(ze)散光(guang)或者全面(mian)照(zhao)明(ming)型(xing)的;餐廳多選擇(ze)向下(xia)投(tou)射照(zhao)明(ming)方式;臥室光(guang)源(yuan)(yuan)需要(yao)(yao)(yao)柔和(he),可選用(yong)散光(guang)照(zhao)明(ming)。其次(ci)要(yao)(yao)(yao)考(kao)慮(lv)照(zhao)明(ming)面(mian)積。舉例來說,如(ru)果照(zhao)明(ming)面(mian)積在(zai)15平米左右(you),那么吸(xi)頂(ding)(ding)燈(deng)(deng)(deng)直(zhi)徑(jing)(jing)在(zai)40cm為(wei)佳;如(ru)果照(zhao)明(ming)面(mian)積在(zai)20—35平米,則吸(xi)頂(ding)(ding)燈(deng)(deng)(deng)選擇(ze)直(zhi)徑(jing)(jing)60—70cm比較合(he)適。更大(da)的空(kong)間可以選擇(ze)兩個吸(xi)頂(ding)(ding)燈(deng)(deng)(deng),采用(yong)雙(shuang)照(zhao)明(ming)模式。