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(yi)般情況,正常使用(yong)車(che)(che)載(zai)(zai)逆變(bian)器(qi)對汽(qi)(qi)(qi)車(che)(che)是沒有損(sun)害(hai)的(de),不過如(ru)(ru)果使用(yong)不當的(de)話(hua),可能會(hui)對汽(qi)(qi)(qi)車(che)(che)電(dian)(dian)(dian)(dian)瓶造(zao)(zao)成(cheng)(cheng)一(yi)定(ding)的(de)傷害(hai):1、比如(ru)(ru)在(zai)車(che)(che)輛(liang)停車(che)(che)之后使用(yong)車(che)(che)載(zai)(zai)逆變(bian)器(qi)為車(che)(che)載(zai)(zai)電(dian)(dian)(dian)(dian)器(qi)供電(dian)(dian)(dian)(dian),如(ru)(ru)果沒有啟動(dong)發動(dong)機(ji),會(hui)造(zao)(zao)成(cheng)(cheng)汽(qi)(qi)(qi)車(che)(che)蓄(xu)電(dian)(dian)(dian)(dian)池(chi)的(de)虧電(dian)(dian)(dian)(dian),從而對汽(qi)(qi)(qi)車(che)(che)蓄(xu)電(dian)(dian)(dian)(dian)池(chi)造(zao)(zao)成(cheng)(cheng)損(sun)害(hai)。2、另外,市場上存(cun)在(zai)一(yi)些“小(xiao)作坊(fang)”式的(de)生產(chan)廠(chang)家(jia)(jia),這些小(xiao)廠(chang)家(jia)(jia)為了降低生產(chan)成(cheng)(cheng)本(ben),節(jie)約了很(hen)多關鍵的(de)器(qi)件,如(ru)(ru)過載(zai)(zai)保(bao)護(hu)、欠(qian)壓(ya)保(bao)護(hu)、過流保(bao)護(hu)、高壓(ya)保(bao)護(hu)以及高溫保(bao)護(hu)等(deng),這種(zhong)劣質(zhi)車(che)(che)載(zai)(zai)逆變(bian)器(qi)可能會(hui)對汽(qi)(qi)(qi)車(che)(che)造(zao)(zao)成(cheng)(cheng)傷害(hai)。3、還有就(jiu)是,如(ru)(ru)果逆變(bian)器(qi)的(de)啟動(dong)電(dian)(dian)(dian)(dian)流大(da)于電(dian)(dian)(dian)(dian)池(chi)的(de)CCA,那么電(dian)(dian)(dian)(dian)池(chi)的(de)電(dian)(dian)(dian)(dian)壓(ya)就(jiu)會(hui)“無法(fa)保(bao)持”,在(zai)啟動(dong)的(de)瞬(shun)間就(jiu)會(hui)大(da)幅度下降。這個時刻對電(dian)(dian)(dian)(dian)池(chi)的(de)健康極為不利(li),如(ru)(ru)果經常執行此(ci)循(xun)環,則電(dian)(dian)(dian)(dian)池(chi)壽命將受到顯(xian)著影響。
三、車載逆變器可以用多大功率的電器
車(che)(che)載(zai)逆變器(qi)可(ke)以(yi)(yi)用多(duo)大(da)(da)(da)(da)功(gong)率(lv)的電(dian)(dian)器(qi),要(yao)看車(che)(che)載(zai)逆變器(qi)的功(gong)率(lv)多(duo)大(da)(da)(da)(da),小(xiao)(xiao)型(xing)(xing)電(dian)(dian)源車(che)(che)載(zai)逆變器(qi)通(tong)常輸出20~150瓦左(zuo)右的功(gong)率(lv),通(tong)常足(zu)以(yi)(yi)為大(da)(da)(da)(da)多(duo)數(shu)筆(bi)記(ji)本電(dian)(dian)腦(nao)、低(di)功(gong)率(lv)游(you)戲(xi)機(ji)(ji)、相機(ji)(ji)和(he)無人機(ji)(ji)電(dian)(dian)池充電(dian)(dian)器(qi)等充電(dian)(dian)。大(da)(da)(da)(da)一點的車(che)(che)載(zai)逆變器(qi)功(gong)率(lv)在300瓦~500瓦左(zuo)右,可(ke)以(yi)(yi)為更大(da)(da)(da)(da)、更強大(da)(da)(da)(da)的電(dian)(dian)子設備充電(dian)(dian),并且通(tong)常可(ke)以(yi)(yi)為您(nin)提供第二個交(jiao)流電(dian)(dian)源插座,讓您(nin)同時插入(ru)兩個設備。1000瓦的車(che)(che)載(zai)逆變器(qi)足(zu)以(yi)(yi)運行(xing)咖啡機(ji)(ji)、攪拌機(ji)(ji)或(huo)小(xiao)(xiao)型(xing)(xing)微波(bo)爐。三(san)四千瓦的車(che)(che)載(zai)逆變器(qi)通(tong)常提供兩到四個交(jiao)流電(dian)(dian)源插座,足(zu)以(yi)(yi)運行(xing)多(duo)個小(xiao)(xiao)型(xing)(xing)電(dian)(dian)器(qi)甚至更大(da)(da)(da)(da)的電(dian)(dian)器(qi),例如烤箱、某些(xie)電(dian)(dian)動工具和(he)鋸子或(huo)帶有多(duo)個顯示器(qi)的強大(da)(da)(da)(da)游(you)戲(xi) PC,這(zhe)種(zhong)大(da)(da)(da)(da)功(gong)率(lv)車(che)(che)載(zai)逆變器(qi)非常適合在路上花費大(da)(da)(da)(da)量時間的房(fang)車(che)(che)、卡車(che)(che)和(he)拖車(che)(che)。
四、車載逆變器功率怎么選
車載(zai)(zai)逆(ni)變(bian)(bian)器(qi)的(de)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)大(da)小(xiao)(xiao)應(ying)該(gai)根據實際需(xu)要(yao)(yao)來選(xuan)(xuan)擇(ze)。通常情況下,我們可(ke)以通過以下簡(jian)單(dan)的(de)公式計(ji)算:所需(xu)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)=使(shi)用(yong)(yong)設備(bei)最大(da)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)×系(xi)(xi)(xi)數(shu),其(qi)中系(xi)(xi)(xi)數(shu)有兩個:1.5和2:系(xi)(xi)(xi)數(shu)1.5適用(yong)(yong)于(yu)阻性負載(zai)(zai),如(ru)電(dian)(dian)(dian)熱毯、電(dian)(dian)(dian)暖氣、電(dian)(dian)(dian)爐等;系(xi)(xi)(xi)數(shu)2適用(yong)(yong)于(yu)感性負載(zai)(zai),如(ru)液晶電(dian)(dian)(dian)視機(ji)、電(dian)(dian)(dian)冰箱(xiang)、電(dian)(dian)(dian)腦等。例如(ru),如(ru)果(guo)你(ni)想用(yong)(yong)車載(zai)(zai)逆(ni)變(bian)(bian)器(qi)驅(qu)動一(yi)臺(tai)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)為(wei)800W的(de)電(dian)(dian)(dian)視機(ji),那(nei)么需(xu)要(yao)(yao)選(xuan)(xuan)擇(ze)的(de)逆(ni)變(bian)(bian)器(qi)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)應(ying)該(gai)為(wei):所需(xu)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)=800W×2=1600W,因為(wei)還需(xu)要(yao)(yao)使(shi)用(yong)(yong)其(qi)他電(dian)(dian)(dian)器(qi),以及考慮一(yi)些冗余(yu),因此至少要(yao)(yao)2000W的(de)車載(zai)(zai)逆(ni)變(bian)(bian)器(qi)。在選(xuan)(xuan)擇(ze)逆(ni)變(bian)(bian)器(qi)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)時,首先要(yao)(yao)考慮用(yong)(yong)途(tu),如(ru)果(guo)只是(shi)為(wei)了充電(dian)(dian)(dian)或使(shi)用(yong)(yong)小(xiao)(xiao)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)設備(bei),那(nei)么功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)較小(xiao)(xiao)的(de)逆(ni)變(bian)(bian)器(qi)就可(ke)以滿足(zu)需(xu)求;如(ru)果(guo)想要(yao)(yao)使(shi)用(yong)(yong)電(dian)(dian)(dian)視機(ji)、空調等功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)較大(da)的(de)設備(bei),就需(xu)要(yao)(yao)選(xuan)(xuan)擇(ze)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)大(da)的(de)車載(zai)(zai)逆(ni)變(bian)(bian)器(qi)。
五、車載逆變器的工作原理是什么
一般(ban)的(de)(de)車載逆(ni)變(bian)器主要由逆(ni)變(bian)橋、濾(lv)波電(dian)(dian)(dian)路、控(kong)制(zhi)電(dian)(dian)(dian)路、振(zhen)蕩器等(deng)構(gou)成(cheng),其工(gong)作原(yuan)理(li)是先通過(guo)高頻PWM(脈寬調(diao)制(zhi))開關電(dian)(dian)(dian)源技術,將(jiang)汽車電(dian)(dian)(dian)瓶所提供(gong)的(de)(de)12V直(zhi)流(liu)電(dian)(dian)(dian)轉換(huan)成(cheng)30kHz-50kHz、220V左右(you)的(de)(de)交流(liu)電(dian)(dian)(dian)。然(ran)后再利用(yong)橋式(shi)整流(liu)、濾(lv)波、脈寬調(diao)制(zhi)及開關功率輸出等(deng)技術,將(jiang)30kHz-50kHz、220V左右(you)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)。