一、車載逆變器有什么用
車載逆變器是一種方便的車用電源轉換器,開車外出工作或外出旅游時,可以用車載逆變器連接汽車蓄電池,帶動電器及各種工具工作。車載逆變器的作用主要就是電源轉換,可以將將汽車內的12V直流電,通過智能芯片轉變為家用220V交流電,供一般電器使用,有了車載逆變器,車主可以在汽車上加裝許多用電設備,就相當于家用的插排一樣,車主可以在車內進行手機充電,使用筆記本和游戲機以及電動工具等,相比點煙器的小電源來說,使用更加方便,而且還不用擔心電壓過大從而導致點煙器電源失效。如果您有在車上使用各種電器的需求,可以買車載逆變器幫助實現,購買時,注意選一個靠譜的車載逆變器品牌廠家。
二、車載逆變器對車有傷害嗎
一般情況,正常使(shi)用(yong)(yong)車(che)(che)載(zai)逆變(bian)器(qi)對汽(qi)車(che)(che)是(shi)沒有(you)損害(hai)的(de),不過(guo)如(ru)(ru)果使(shi)用(yong)(yong)不當的(de)話,可能會(hui)對汽(qi)車(che)(che)電(dian)(dian)瓶造(zao)(zao)成(cheng)一定的(de)傷害(hai):1、比如(ru)(ru)在車(che)(che)輛(liang)停車(che)(che)之后(hou)使(shi)用(yong)(yong)車(che)(che)載(zai)逆變(bian)器(qi)為(wei)車(che)(che)載(zai)電(dian)(dian)器(qi)供(gong)電(dian)(dian),如(ru)(ru)果沒有(you)啟動發動機,會(hui)造(zao)(zao)成(cheng)汽(qi)車(che)(che)蓄電(dian)(dian)池(chi)(chi)(chi)的(de)虧(kui)電(dian)(dian),從而(er)對汽(qi)車(che)(che)蓄電(dian)(dian)池(chi)(chi)(chi)造(zao)(zao)成(cheng)損害(hai)。2、另外,市場上存在一些“小作坊”式(shi)的(de)生(sheng)產廠家(jia)(jia),這些小廠家(jia)(jia)為(wei)了降低生(sheng)產成(cheng)本,節(jie)約了很多(duo)關鍵的(de)器(qi)件,如(ru)(ru)過(guo)載(zai)保(bao)護、欠壓(ya)(ya)保(bao)護、過(guo)流保(bao)護、高壓(ya)(ya)保(bao)護以及高溫保(bao)護等(deng),這種劣質車(che)(che)載(zai)逆變(bian)器(qi)可能會(hui)對汽(qi)車(che)(che)造(zao)(zao)成(cheng)傷害(hai)。3、還有(you)就(jiu)是(shi),如(ru)(ru)果逆變(bian)器(qi)的(de)啟動電(dian)(dian)流大于(yu)電(dian)(dian)池(chi)(chi)(chi)的(de)CCA,那么電(dian)(dian)池(chi)(chi)(chi)的(de)電(dian)(dian)壓(ya)(ya)就(jiu)會(hui)“無法保(bao)持(chi)”,在啟動的(de)瞬間就(jiu)會(hui)大幅度下降。這個時刻對電(dian)(dian)池(chi)(chi)(chi)的(de)健康極(ji)為(wei)不利,如(ru)(ru)果經(jing)常執行此循(xun)環,則電(dian)(dian)池(chi)(chi)(chi)壽命將(jiang)受到顯著影響(xiang)。
三、車載逆變器可以用多大功率的電器
車(che)(che)載(zai)逆(ni)(ni)(ni)(ni)變器(qi)可以(yi)用(yong)多(duo)大(da)(da)功(gong)率(lv)的(de)電(dian)(dian)(dian)器(qi),要看車(che)(che)載(zai)逆(ni)(ni)(ni)(ni)變器(qi)的(de)功(gong)率(lv)多(duo)大(da)(da),小(xiao)型電(dian)(dian)(dian)源車(che)(che)載(zai)逆(ni)(ni)(ni)(ni)變器(qi)通常輸出20~150瓦(wa)左(zuo)右的(de)功(gong)率(lv),通常足(zu)以(yi)為(wei)大(da)(da)多(duo)數筆記本電(dian)(dian)(dian)腦、低(di)功(gong)率(lv)游戲機(ji)、相(xiang)機(ji)和(he)(he)無人機(ji)電(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)器(qi)等充(chong)電(dian)(dian)(dian)。大(da)(da)一點的(de)車(che)(che)載(zai)逆(ni)(ni)(ni)(ni)變器(qi)功(gong)率(lv)在300瓦(wa)~500瓦(wa)左(zuo)右,可以(yi)為(wei)更大(da)(da)、更強大(da)(da)的(de)電(dian)(dian)(dian)子設備充(chong)電(dian)(dian)(dian),并且(qie)通常可以(yi)為(wei)您提供第二個交流電(dian)(dian)(dian)源插座,讓您同(tong)時插入(ru)兩個設備。1000瓦(wa)的(de)車(che)(che)載(zai)逆(ni)(ni)(ni)(ni)變器(qi)足(zu)以(yi)運行(xing)咖啡機(ji)、攪拌機(ji)或小(xiao)型微波(bo)爐(lu)。三四(si)千瓦(wa)的(de)車(che)(che)載(zai)逆(ni)(ni)(ni)(ni)變器(qi)通常提供兩到四(si)個交流電(dian)(dian)(dian)源插座,足(zu)以(yi)運行(xing)多(duo)個小(xiao)型電(dian)(dian)(dian)器(qi)甚至更大(da)(da)的(de)電(dian)(dian)(dian)器(qi),例如烤箱(xiang)、某(mou)些電(dian)(dian)(dian)動工具和(he)(he)鋸子或帶有多(duo)個顯示器(qi)的(de)強大(da)(da)游戲 PC,這種(zhong)大(da)(da)功(gong)率(lv)車(che)(che)載(zai)逆(ni)(ni)(ni)(ni)變器(qi)非常適(shi)合(he)在路上花(hua)費大(da)(da)量時間(jian)的(de)房車(che)(che)、卡車(che)(che)和(he)(he)拖(tuo)車(che)(che)。
四、車載逆變器功率怎么選
車載逆(ni)變(bian)器的(de)功(gong)(gong)(gong)率(lv)(lv)(lv)大(da)小(xiao)應(ying)該根據實際需(xu)(xu)(xu)要(yao)(yao)(yao)來選擇(ze)。通常情況下,我(wo)們可(ke)以(yi)通過以(yi)下簡單的(de)公式(shi)計算(suan):所需(xu)(xu)(xu)功(gong)(gong)(gong)率(lv)(lv)(lv)=使(shi)用設備最(zui)大(da)功(gong)(gong)(gong)率(lv)(lv)(lv)×系數(shu)(shu)(shu),其中系數(shu)(shu)(shu)有兩個:1.5和2:系數(shu)(shu)(shu)1.5適用于阻性負載,如電(dian)(dian)(dian)熱毯、電(dian)(dian)(dian)暖氣、電(dian)(dian)(dian)爐(lu)等;系數(shu)(shu)(shu)2適用于感(gan)性負載,如液晶電(dian)(dian)(dian)視機(ji)、電(dian)(dian)(dian)冰箱、電(dian)(dian)(dian)腦等。例如,如果(guo)(guo)你想用車載逆(ni)變(bian)器驅動一(yi)臺功(gong)(gong)(gong)率(lv)(lv)(lv)為(wei)(wei)800W的(de)電(dian)(dian)(dian)視機(ji),那么需(xu)(xu)(xu)要(yao)(yao)(yao)選擇(ze)的(de)逆(ni)變(bian)器功(gong)(gong)(gong)率(lv)(lv)(lv)應(ying)該為(wei)(wei):所需(xu)(xu)(xu)功(gong)(gong)(gong)率(lv)(lv)(lv)=800W×2=1600W,因為(wei)(wei)還需(xu)(xu)(xu)要(yao)(yao)(yao)使(shi)用其他電(dian)(dian)(dian)器,以(yi)及考(kao)(kao)慮一(yi)些(xie)冗余,因此至少要(yao)(yao)(yao)2000W的(de)車載逆(ni)變(bian)器。在(zai)選擇(ze)逆(ni)變(bian)器功(gong)(gong)(gong)率(lv)(lv)(lv)時(shi),首先要(yao)(yao)(yao)考(kao)(kao)慮用途,如果(guo)(guo)只是為(wei)(wei)了充電(dian)(dian)(dian)或使(shi)用小(xiao)功(gong)(gong)(gong)率(lv)(lv)(lv)設備,那么功(gong)(gong)(gong)率(lv)(lv)(lv)較(jiao)小(xiao)的(de)逆(ni)變(bian)器就可(ke)以(yi)滿足需(xu)(xu)(xu)求;如果(guo)(guo)想要(yao)(yao)(yao)使(shi)用電(dian)(dian)(dian)視機(ji)、空調(diao)等功(gong)(gong)(gong)率(lv)(lv)(lv)較(jiao)大(da)的(de)設備,就需(xu)(xu)(xu)要(yao)(yao)(yao)選擇(ze)功(gong)(gong)(gong)率(lv)(lv)(lv)大(da)的(de)車載逆(ni)變(bian)器。
五、車載逆變器的工作原理是什么
一般的(de)(de)車載(zai)逆(ni)變器主要由逆(ni)變橋(qiao)、濾(lv)(lv)波電(dian)(dian)(dian)路(lu)、控制電(dian)(dian)(dian)路(lu)、振蕩器等構成(cheng),其工作原理是先通過高頻PWM(脈(mo)寬調(diao)制)開關電(dian)(dian)(dian)源技術(shu),將(jiang)汽車電(dian)(dian)(dian)瓶所提供的(de)(de)12V直流(liu)電(dian)(dian)(dian)轉換(huan)成(cheng)30kHz-50kHz、220V左右的(de)(de)交流(liu)電(dian)(dian)(dian)。然(ran)后再(zai)利用橋(qiao)式整流(liu)、濾(lv)(lv)波、脈(mo)寬調(diao)制及(ji)開關功率輸出(chu)等技術(shu),將(jiang)30kHz-50kHz、220V左右的(de)(de)交流(liu)電(dian)(dian)(dian)轉換(huan)成(cheng)50Hz、220V的(de)(de)交流(liu)電(dian)(dian)(dian)。