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(ban)情況,正常(chang)使(shi)用(yong)車(che)(che)(che)(che)載(zai)逆(ni)變(bian)(bian)(bian)器(qi)(qi)對(dui)(dui)汽(qi)車(che)(che)(che)(che)是沒有損害(hai)的(de)(de)(de),不過(guo)如(ru)果使(shi)用(yong)不當的(de)(de)(de)話,可能會(hui)對(dui)(dui)汽(qi)車(che)(che)(che)(che)電(dian)(dian)(dian)(dian)瓶造(zao)成一定的(de)(de)(de)傷害(hai):1、比如(ru)在(zai)車(che)(che)(che)(che)輛停車(che)(che)(che)(che)之后使(shi)用(yong)車(che)(che)(che)(che)載(zai)逆(ni)變(bian)(bian)(bian)器(qi)(qi)為(wei)車(che)(che)(che)(che)載(zai)電(dian)(dian)(dian)(dian)器(qi)(qi)供電(dian)(dian)(dian)(dian),如(ru)果沒有啟(qi)動(dong)發(fa)動(dong)機,會(hui)造(zao)成汽(qi)車(che)(che)(che)(che)蓄電(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)虧(kui)電(dian)(dian)(dian)(dian),從而對(dui)(dui)汽(qi)車(che)(che)(che)(che)蓄電(dian)(dian)(dian)(dian)池(chi)造(zao)成損害(hai)。2、另外,市場上(shang)存在(zai)一些“小(xiao)作(zuo)坊(fang)”式的(de)(de)(de)生產廠(chang)家,這些小(xiao)廠(chang)家為(wei)了(le)降低生產成本(ben),節約了(le)很多關(guan)鍵的(de)(de)(de)器(qi)(qi)件,如(ru)過(guo)載(zai)保(bao)(bao)護(hu)、欠(qian)壓保(bao)(bao)護(hu)、過(guo)流保(bao)(bao)護(hu)、高壓保(bao)(bao)護(hu)以及高溫(wen)保(bao)(bao)護(hu)等,這種(zhong)劣(lie)質車(che)(che)(che)(che)載(zai)逆(ni)變(bian)(bian)(bian)器(qi)(qi)可能會(hui)對(dui)(dui)汽(qi)車(che)(che)(che)(che)造(zao)成傷害(hai)。3、還有就是,如(ru)果逆(ni)變(bian)(bian)(bian)器(qi)(qi)的(de)(de)(de)啟(qi)動(dong)電(dian)(dian)(dian)(dian)流大于電(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)CCA,那么電(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)電(dian)(dian)(dian)(dian)壓就會(hui)“無(wu)法保(bao)(bao)持”,在(zai)啟(qi)動(dong)的(de)(de)(de)瞬(shun)間就會(hui)大幅度下降。這個時刻對(dui)(dui)電(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)健康極為(wei)不利(li),如(ru)果經常(chang)執(zhi)行此(ci)循環,則電(dian)(dian)(dian)(dian)池(chi)壽命將受到顯著影(ying)響。
三、車載逆變器可以用多大功率的電器
車(che)(che)載(zai)逆(ni)變(bian)器可(ke)以(yi)(yi)用多大(da)功(gong)(gong)(gong)率的(de)電(dian)(dian)器,要看(kan)車(che)(che)載(zai)逆(ni)變(bian)器的(de)功(gong)(gong)(gong)率多大(da),小(xiao)(xiao)型(xing)電(dian)(dian)源車(che)(che)載(zai)逆(ni)變(bian)器通(tong)常(chang)(chang)輸出20~150瓦(wa)左(zuo)右的(de)功(gong)(gong)(gong)率,通(tong)常(chang)(chang)足(zu)以(yi)(yi)為大(da)多數筆記本電(dian)(dian)腦、低功(gong)(gong)(gong)率游(you)戲(xi)機、相機和(he)無人(ren)機電(dian)(dian)池充電(dian)(dian)器等(deng)充電(dian)(dian)。大(da)一點的(de)車(che)(che)載(zai)逆(ni)變(bian)器功(gong)(gong)(gong)率在300瓦(wa)~500瓦(wa)左(zuo)右,可(ke)以(yi)(yi)為更(geng)(geng)大(da)、更(geng)(geng)強(qiang)大(da)的(de)電(dian)(dian)子(zi)設備(bei)充電(dian)(dian),并且(qie)通(tong)常(chang)(chang)可(ke)以(yi)(yi)為您提(ti)供(gong)第二個交(jiao)流電(dian)(dian)源插座(zuo),讓(rang)您同時插入兩個設備(bei)。1000瓦(wa)的(de)車(che)(che)載(zai)逆(ni)變(bian)器足(zu)以(yi)(yi)運行咖啡機、攪(jiao)拌(ban)機或小(xiao)(xiao)型(xing)微波爐。三(san)四千瓦(wa)的(de)車(che)(che)載(zai)逆(ni)變(bian)器通(tong)常(chang)(chang)提(ti)供(gong)兩到四個交(jiao)流電(dian)(dian)源插座(zuo),足(zu)以(yi)(yi)運行多個小(xiao)(xiao)型(xing)電(dian)(dian)器甚至(zhi)更(geng)(geng)大(da)的(de)電(dian)(dian)器,例(li)如烤箱(xiang)、某些電(dian)(dian)動工具和(he)鋸子(zi)或帶有多個顯示器的(de)強(qiang)大(da)游(you)戲(xi) PC,這種大(da)功(gong)(gong)(gong)率車(che)(che)載(zai)逆(ni)變(bian)器非常(chang)(chang)適(shi)合在路上花(hua)費大(da)量時間的(de)房車(che)(che)、卡車(che)(che)和(he)拖車(che)(che)。
四、車載逆變器功率怎么選
車載逆(ni)變(bian)(bian)器(qi)的(de)功(gong)(gong)(gong)率(lv)(lv)大小(xiao)應(ying)(ying)該根(gen)據實(shi)際(ji)需(xu)要(yao)(yao)來選(xuan)(xuan)擇。通(tong)常情況下,我(wo)們可以(yi)通(tong)過以(yi)下簡單的(de)公式(shi)計算:所需(xu)功(gong)(gong)(gong)率(lv)(lv)=使(shi)用設備最大功(gong)(gong)(gong)率(lv)(lv)×系(xi)數,其中(zhong)系(xi)數有兩個(ge):1.5和(he)2:系(xi)數1.5適用于阻性(xing)負(fu)(fu)載,如(ru)電(dian)熱毯、電(dian)暖氣、電(dian)爐等;系(xi)數2適用于感(gan)性(xing)負(fu)(fu)載,如(ru)液(ye)晶電(dian)視機(ji)、電(dian)冰(bing)箱、電(dian)腦等。例(li)如(ru),如(ru)果你想用車載逆(ni)變(bian)(bian)器(qi)驅動(dong)一臺功(gong)(gong)(gong)率(lv)(lv)為(wei)800W的(de)電(dian)視機(ji),那么需(xu)要(yao)(yao)選(xuan)(xuan)擇的(de)逆(ni)變(bian)(bian)器(qi)功(gong)(gong)(gong)率(lv)(lv)應(ying)(ying)該為(wei):所需(xu)功(gong)(gong)(gong)率(lv)(lv)=800W×2=1600W,因為(wei)還(huan)需(xu)要(yao)(yao)使(shi)用其他電(dian)器(qi),以(yi)及(ji)考(kao)慮(lv)(lv)一些冗余,因此至少要(yao)(yao)2000W的(de)車載逆(ni)變(bian)(bian)器(qi)。在選(xuan)(xuan)擇逆(ni)變(bian)(bian)器(qi)功(gong)(gong)(gong)率(lv)(lv)時,首(shou)先要(yao)(yao)考(kao)慮(lv)(lv)用途,如(ru)果只(zhi)是為(wei)了充電(dian)或使(shi)用小(xiao)功(gong)(gong)(gong)率(lv)(lv)設備,那么功(gong)(gong)(gong)率(lv)(lv)較小(xiao)的(de)逆(ni)變(bian)(bian)器(qi)就可以(yi)滿足需(xu)求(qiu);如(ru)果想要(yao)(yao)使(shi)用電(dian)視機(ji)、空(kong)調等功(gong)(gong)(gong)率(lv)(lv)較大的(de)設備,就需(xu)要(yao)(yao)選(xuan)(xuan)擇功(gong)(gong)(gong)率(lv)(lv)大的(de)車載逆(ni)變(bian)(bian)器(qi)。
五、車載逆變器的工作原理是什么
一般的車(che)載(zai)逆(ni)變器主要由(you)逆(ni)變橋(qiao)、濾波電(dian)(dian)(dian)路(lu)(lu)、控制電(dian)(dian)(dian)路(lu)(lu)、振蕩器等構(gou)成,其(qi)工(gong)作原理是(shi)先通過(guo)高頻PWM(脈寬調制)開關(guan)電(dian)(dian)(dian)源技術(shu)(shu),將汽車(che)電(dian)(dian)(dian)瓶(ping)所提供的12V直流電(dian)(dian)(dian)轉換成30kHz-50kHz、220V左(zuo)右(you)的交(jiao)流電(dian)(dian)(dian)。然后再利用(yong)橋(qiao)式整流、濾波、脈寬調制及開關(guan)功率輸出等技術(shu)(shu),將30kHz-50kHz、220V左(zuo)右(you)的交(jiao)流電(dian)(dian)(dian)轉換成50Hz、220V的交(jiao)流電(dian)(dian)(dian)。