一、開關電源和通信電源的區別在哪里
1、開關電(dian)(dian)(dian)(dian)源是(shi)一種用于(yu)電(dian)(dian)(dian)(dian)壓(ya)轉(zhuan)(zhuan)換的高頻震(zhen)蕩電(dian)(dian)(dian)(dian)子電(dian)(dian)(dian)(dian)路(lu),主要(yao)的工作(zuo)內容是(shi):升壓(ya)或(huo)降壓(ya),直(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)轉(zhuan)(zhuan)換為交流(liu)(liu)電(dian)(dian)(dian)(dian),或(huo)交流(liu)(liu)電(dian)(dian)(dian)(dian)轉(zhuan)(zhuan)換為直(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)。
2、通(tong)信(xin)電(dian)(dian)(dian)源(yuan)是(shi)指通(tong)信(xin)設(she)備的電(dian)(dian)(dian)源(yuan)。可(ke)以是(shi)蓄(xu)電(dian)(dian)(dian)池(chi)、220V交(jiao)流電(dian)(dian)(dian)、發電(dian)(dian)(dian)機、干電(dian)(dian)(dian)池(chi)、手機電(dian)(dian)(dian)池(chi)等等,由(you)于是(shi)用于通(tong)信(xin)設(she)備,所以一般都要經過高頻震蕩電(dian)(dian)(dian)子電(dian)(dian)(dian)路(開關電(dian)(dian)(dian)源(yuan))而(er)獲(huo)得更(geng)穩(wen)定、更(geng)精確、干擾更(geng)小(xiao)的電(dian)(dian)(dian)壓,才供給通(tong)信(xin)設(she)備使用。
綜上,開關電源和通(tong)信電(dian)源的區別(bie)主(zhu)要體現在用途不(bu)同,此外通(tong)信電(dian)源電(dian)壓更穩定、更精確、干(gan)擾更小。
二、通信電源多少錢一個
前文已經簡(jian)單了解到了開關電源和通(tong)信電源的區別在哪里(li),那(nei)么通(tong)信電源多少錢一個呢?
目(mu)前市面中(zhong),通(tong)信電(dian)(dian)源(yuan)的(de)(de)價格在1000-5000元/個之間,具(ju)體的(de)(de)價格和(he)品牌有(you)直接的(de)(de)關(guan)系,在選(xuan)購(gou)的(de)(de)時候,確(que)定在系統運(yun)行的(de)(de)電(dian)(dian)壓下(xia)需要多少電(dian)(dian)流(liu),在目(mu)錄或網站上找到可以提供(gong)該電(dian)(dian)壓和(he)電(dian)(dian)流(liu)的(de)(de)型號,然后再進行購(gou)買(mai)。
三、通信電源選購注意事項有哪些
其實,事情沒(mei)那么簡單。在(zai)選擇和(he)使用(yong)通(tong)信電源(yuan)(yuan)時(shi),您還需要考(kao)慮許(xu)多其他事項。以下是工程師(shi)在(zai)為其項目選擇和(he)使用(yong)電源(yuan)(yuan)時(shi)常犯(fan)的兩個錯誤:
1、沒有購買輸出功率足夠的通信電源。雖(sui)然(ran)您當(dang)(dang)(dang)然(ran)不想購(gou)買功(gong)率輸出(chu)過多的(de)(de)電源(yuan)(yuan),但試圖通(tong)過購(gou)買功(gong)率輸出(chu)剛(gang)好足夠的(de)(de)電源(yuan)(yuan)來省錢也不是一個好主(zhu)意(yi)。如果您以(yi)后必須用大(da)功(gong)率電源(yuan)(yuan)替換它,那(nei)么購(gou)買小尺寸電源(yuan)(yuan)不會(hui)為您省錢。為避免這(zhe)種情(qing)況,請考(kao)慮未來和當(dang)(dang)(dang)前的(de)(de)需(xu)求(qiu),并購(gou)買容量(liang)至少高于(yu)當(dang)(dang)(dang)前需(xu)求(qiu)25%的(de)(de)電源(yuan)(yuan)。
2、沒有購買輸出電流足夠的通信電源。盡管(guan)電源可能(neng)能(neng)夠提供一(yi)定(ding)量的功率,但并不是說它可以提供每(mei)種電壓/電流組(zu)合(he)。例如,具有400VDC范圍(wei)的1500W直流電源可能(neng)只能(neng)在整個范圍(wei)內提供3.75A的最大值。