臺式機電源哪個好,臺式機電源選擇竅門
一、電源的重量
通過重(zhong)量往(wang)往(wang)能(neng)觀察出電源(yuan)是(shi)否(fou)符(fu)合(he)規格,一(yi)般來(lai)說:好(hao)(hao)(hao)(hao)的(de)(de)(de)(de)電源(yuan)外殼一(yi)般都使用優(you)質鋼材(cai)(cai),材(cai)(cai)質好(hao)(hao)(hao)(hao)、質厚,所(suo)以較重(zhong)的(de)(de)(de)(de)電源(yuan),材(cai)(cai)質都較好(hao)(hao)(hao)(hao)。電源(yuan)內部的(de)(de)(de)(de)零件,比如(ru)變壓器、散熱(re)(re)片(pian)等,同(tong)樣重(zhong)的(de)(de)(de)(de)比較好(hao)(hao)(hao)(hao)。好(hao)(hao)(hao)(hao)電源(yuan)使用的(de)(de)(de)(de)散熱(re)(re)片(pian)應為鋁制甚至銅制的(de)(de)(de)(de)散熱(re)(re)片(pian),而且體積越(yue)大(da)散熱(re)(re)效果越(yue)好(hao)(hao)(hao)(hao)。一(yi)般散熱(re)(re)片(pian)都做成梳(shu)狀,齒都深、分(fen)得越(yue)開、厚度越(yue)大(da),散熱(re)(re)效果越(yue)好(hao)(hao)(hao)(hao)。基(ji)本(ben)上,我們很難在不拆開電源(yuan)的(de)(de)(de)(de)情況下看清散熱(re)(re)片(pian),所(suo)以直觀的(de)(de)(de)(de)辦法就是(shi)從重(zhong)量上去判斷(duan)了。好(hao)(hao)(hao)(hao)的(de)(de)(de)(de)電源(yuan),一(yi)般會(hui)(hui)增(zeng)加一(yi)些(xie)元件,以提高安全系數(shu),所(suo)以重(zhong)量自(zi)然會(hui)(hui)有所(suo)增(zeng)加。劣質電源(yuan)則會(hui)(hui)省掉(diao)一(yi)些(xie)電容和線(xian)圈,重(zhong)量就比較輕。
二、電(dian)源的變(bian)壓器
電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)(de)(de)關(guan)鍵部位是(shi)(shi)變(bian)壓(ya)器,簡單的(de)(de)(de)(de)判(pan)斷(duan)方(fang)法是(shi)(shi)看變(bian)壓(ya)器的(de)(de)(de)(de)大小(xiao)。一(yi)般變(bian)壓(ya)器的(de)(de)(de)(de)位置是(shi)(shi)在兩片(pian)散熱片(pian)當中,根據常理判(pan)斷(duan),250W電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)(de)(de)變(bian)壓(ya)器線(xian)(xian)圈(quan)(quan)內徑不(bu)(bu)(bu)應小(xiao)于(yu)(yu) 28MM,300W的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)不(bu)(bu)(bu)得小(xiao)于(yu)(yu)33MM,可以(yi)(yi)用一(yi)根直(zhi)尺在外部測量(liang)其(qi)長度,就(jiu)可以(yi)(yi)知(zhi)道其(qi)用料實不(bu)(bu)(bu)實在。電(dian)(dian)(dian)(dian)流(liu)經過變(bian)壓(ya)器之(zhi)后,通(tong)過整(zheng)(zheng)(zheng)流(liu)輸(shu)出(chu)(chu)線(xian)(xian)圈(quan)(quan)輸(shu)出(chu)(chu)。在電(dian)(dian)(dian)(dian)流(liu)輸(shu)出(chu)(chu)端,可以(yi)(yi)看到整(zheng)(zheng)(zheng)流(liu)輸(shu)出(chu)(chu)線(xian)(xian)圈(quan)(quan),多半(ban)廠商使(shi)用代號為10262和130626兩種,250W電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)(de)(de)整(zheng)(zheng)(zheng)流(liu)輸(shu)出(chu)(chu)線(xian)(xian)圈(quan)(quan)不(bu)(bu)(bu)應低(di)(di)于(yu)(yu)10262的(de)(de)(de)(de)整(zheng)(zheng)(zheng)流(liu)輸(shu)出(chu)(chu)線(xian)(xian)圈(quan)(quan)。 300W的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)(de)(de)整(zheng)(zheng)(zheng)流(liu)輸(shu)出(chu)(chu)線(xian)(xian)圈(quan)(quan)不(bu)(bu)(bu)應低(di)(di)于(yu)(yu)130626的(de)(de)(de)(de)整(zheng)(zheng)(zheng)流(liu)輸(shu)出(chu)(chu)線(xian)(xian)圈(quan)(quan)。在電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)中直(zhi)立電(dian)(dian)(dian)(dian)容的(de)(de)(de)(de)旁(pang)邊,會(hui)有一(yi)個黑色的(de)(de)(de)(de)橋(qiao)式整(zheng)(zheng)(zheng)流(liu)器,有的(de)(de)(de)(de)則是(shi)(shi)使(shi)用4個二(er)級管代替(ti)。就(jiu)穩定性(xing)而言,橋(qiao)式整(zheng)(zheng)(zheng)流(liu)器的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)(de)(de)穩定性(xing)。
三、電源的風扇
風(feng)(feng)扇在電(dian)源(yuan)(yuan)工作(zuo)過程中(zhong),對于配(pei)置的(de)散(san)熱起著重要的(de)作(zuo)用(yong)。散(san)執片(pian)只是(shi)將熱量散(san)發(fa)到空氣(qi)中(zhong),如果熱空氣(qi)不能(neng)及(ji)時(shi)排散(san),散(san)熱效果必將大打折扣。風(feng)(feng)扇的(de)安排對散(san)熱能(neng)力起決定(ding)作(zuo)用(yong)。傳統(tong)ATX2.01版本以上的(de)PC 電(dian)源(yuan)(yuan)的(de)風(feng)(feng)扇都是(shi)采用(yong)向外抽風(feng)(feng)方式(shi)散(san)熱,這(zhe)樣(yang)可以保證(zheng)電(dian)源(yuan)(yuan)內的(de)熱量能(neng)及(ji)時(shi)排出,避免熱量在電(dian)源(yuan)(yuan)及(ji)機箱(xiang)內積聚,也可以避免在工作(zuo)時(shi)外部灰塵由電(dian)源(yuan)(yuan)進入機箱(xiang)。一般(ban)的(de)PC電(dian)源(yuan)(yuan)會用(yong)的(de)風(feng)(feng)扇有(you)兩種規格:油封軸承和滾珠軸承,前者(zhe)比(bi)較安靜,但后者(zhe)的(de)壽(shou)命較長,當然若是(shi)使用(yong)磁懸浮(fu)風(feng)(feng)扇就更好了!
四、電源(yuan)的安(an)全規格
PC電(dian)(dian)源(yuan)在使用時(shi),有可能被接錯或短路,另外電(dian)(dian)源(yuan)自身也有可能出(chu)現故障導(dao)致輸出(chu)電(dian)(dian)壓不(bu)(bu)正常,這(zhe)種情況下(xia)為(wei)了防止或減(jian)少(shao)嚴重的后(hou)果(guo),電(dian)(dian)源(yuan)要(yao)能夠停止工作(zuo),這(zhe)就是(shi)電(dian)(dian)源(yuan)的保(bao)護功能。因此,在電(dian)(dian)源(yuan)的設計制造中,安全規格是(shi)非常重要(yao)的一環。電(dian)(dian)源(yuan)的保(bao)護有兩個方(fang)面,一是(shi)防止燒毀其他配件,另外要(yao)保(bao)護自身不(bu)(bu)受損壞。
選(xuan)(xuan)購(gou)臺式機電源時千萬不(bu)要因為價(jia)(jia)格便宜,而(er)盲目(mu)跟從購(gou)買(mai),選(xuan)(xuan)擇(ze)比較有(you)知名度(du)的(de)品(pin)(pin)牌(pai),不(bu)僅品(pin)(pin)質(zhi)有(you)保證,售后(hou)服務也有(you)保障。當然追(zhui)(zhui)求(qiu)品(pin)(pin)牌(pai)的(de)東西不(bu)一(yi)定就是(shi)追(zhui)(zhui)求(qiu)價(jia)(jia)格的(de)昂貴(gui),不(bu)同(tong)(tong)的(de)經濟水平我們可以(yi)選(xuan)(xuan)擇(ze)不(bu)同(tong)(tong)價(jia)(jia)位(wei)的(de)名牌(pai)產(chan)品(pin)(pin)。選(xuan)(xuan)擇(ze)網購(gou)商品(pin)(pin)的(de)朋友要認準品(pin)(pin)牌(pai)的(de)旗艦店鋪(pu),這樣子才能(neng)做(zuo)到萬無(wu)一(yi)失。