文章來源:本站 瀏覽量:888 發布日期:2019-08-12
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工業產品和消費電子聯係甚是緊密,包括無人機、安保監控設備、diandongqichedechongdianzhuangdengshebeizaoyijinrulerenmenshenghuo。ranerdianlubaohuzaigongyechanpinzhongsuiranzhishiyixiaobufendesheji,danqueshifeichangzhongyaoguanjiandesheji,yinweibaohuqijianhuozhebaohuchanpintongchangdoushizairukouchu,lirudianyuandeshuruduankou,yidanbaohuqijianchuxianwenti,zhenggexitongbianbunenggoujishishiyong,suoyibaohushejidejingquegaoxiaobiandeyuelaiyuezhongyao。
隨(sui)著(zhe)電(dian)動(dong)汽(qi)車(che)製(zhi)造(zao)技(ji)術(shu)的(de)日(ri)益(yi)成(cheng)熟(shu)和(he)國(guo)家(jia)政(zheng)策(ce)的(de)支(zhi)持(chi),電(dian)動(dong)汽(qi)車(che)充(chong)電(dian)樁(zhuang)逐(zhu)漸(jian)在(zai)社(she)會(hui)以(yi)及(ji)家(jia)庭(ting)中(zhong)普(pu)及(ji),不(bu)管(guan)是(shi)用(yong)於(yu)室(shi)內(nei)的(de)或(huo)者(zhe)戶(hu)外(wai)的(de),它(ta)們(men)的(de)安(an)全(quan)防(fang)護(hu)一(yi)定(ding)不(bu)可(ke)缺(que)少(shao)。最(zui)高(gao)的(de)直(zhi)流(liu)電(dian)壓(ya)可(ke)以(yi)達(da)到(dao)750VDC,單獨的防雷模塊10/20KA的也會被考慮,隨著國家標準的產生,安全防護用到的各種產品需要能夠更好的進行過流保護。
電(dian)動(dong)汽(qi)車(che)充(chong)電(dian)樁(zhuang)建(jian)設(she)以(yi)城(cheng)市(shi)為(wei)中(zhong)心(xin),逐(zhu)步(bu)向(xiang)周(zhou)邊(bian)擴(kuo)散(san),並(bing)優(you)先(xian)建(jian)設(she)新(xin)能(neng)源(yuan)示(shi)範(fan)城(cheng)市(shi),通(tong)過(guo)合(he)理(li)布(bu)局(ju),帶(dai)動(dong)全(quan)國(guo)電(dian)動(dong)汽(qi)車(che)充(chong)電(dian)樁(zhuang)建(jian)設(she)發(fa)展(zhan)。在(zai)電(dian)動(dong)汽(qi)車(che)充(chong)電(dian)樁(zhuang)的(de)發(fa)展(zhan)過(guo)程(cheng)中(zhong),安(an)全(quan)問(wen)題(ti)涉(she)及(ji)方(fang)方(fang)麵(mian)麵(mian),不(bu)僅(jin)僅(jin)是(shi)設(she)備(bei)安(an)全(quan)的(de)保(bao)護(hu),包(bao)括(kuo)使(shi)用(yong)過(guo)程(cheng)的(de)安(an)全(quan)保(bao)護(hu),對(dui)電(dian)動(dong)汽(qi)車(che)的(de)安(an)全(quan)保(bao)護(hu),對(dui)使(shi)用(yong)人(ren)的(de)安(an)全(quan)保(bao)護(hu)以(yi)及(ji)對(dui)電(dian)動(dong)汽(qi)車(che)充(chong)電(dian)樁(zhuang)安(an)全(quan)的(de)保(bao)護(hu)。
過流保護:很(hen)多(duo)電(dian)子(zi)設(she)備(bei)都(dou)有(you)個(ge)額(e)定(ding)電(dian)流(liu),不(bu)允(yun)許(xu)超(chao)過(guo)額(e)定(ding)電(dian)流(liu),不(bu)然(ran)會(hui)燒(shao)壞(huai)設(she)備(bei)。過(guo)流(liu)保(bao)護(hu)就(jiu)是(shi)說(shuo),在(zai)電(dian)流(liu)超(chao)過(guo)設(she)定(ding)電(dian)流(liu)後(hou),自(zi)動(dong)斷(duan)電(dian),來(lai)保(bao)護(hu)設(she)備(bei)芯(xin)片(pian)和(he)主(zhu)板(ban)不(bu)被(bei)燒(shao)壞(huai),避(bi)免(mian)設(she)備(bei)故(gu)障(zhang);為避免更換不便,碩凱電子的FAE工程師建議在充電樁中的過流器件能夠優先考慮具備自複能力的自恢複保險絲;
短路保護:短路不僅容易損壞電源,嚴重的甚至引發火災。一旦發現短路情況,電動汽車充電樁將立刻斷電,防患未然;
漏電保護:漏(lou)電(dian)事(shi)故(gu)一(yi)般(ban)發(fa)生(sheng)在(zai)操(cao)作(zuo)過(guo)程(cheng)中(zhong),對(dui)人(ren)體(ti)傷(shang)害(hai)很(hen)大(da),很(hen)小(xiao)的(de)電(dian)流(liu)雖(sui)然(ran)短(duan)時(shi)間(jian)不(bu)會(hui)有(you)什(shen)麼(me)影(ying)響(xiang),但(dan)是(shi)時(shi)間(jian)一(yi)長(chang),還(hai)是(shi)會(hui)引(yin)起(qi)心(xin)室(shi)顫(chan)動(dong),引(yin)發(fa)心(xin)髒(zang)停(ting)跳(tiao)。漏(lou)電(dian)保(bao)護(hu)係(xi)統(tong)回(hui)收(shou)剩(sheng)餘(yu)電(dian)流(liu),如(ru)果(guo)電(dian)流(liu)過(guo)大(da)難(nan)以(yi)回(hui)收(shou),將(jiang)立(li)刻(ke)切(qie)斷(duan)電(dian)流(liu);
過壓保護:過壓保護主要保護電動汽車充電樁供電線路,當電壓超過預訂的最大值,立即控製電壓降低或直接切斷電源;常見的過壓器件有放電管、二極管以及壓敏電阻,各大充電樁商家可根據自家充電樁的防護等級進行實際選型;
欠壓保護:欠(qian)壓(ya)一(yi)般(ban)是(shi)由(you)於(yu)短(duan)路(lu)引(yin)起(qi)的(de),會(hui)給(gei)電(dian)動(dong)汽(qi)車(che)充(chong)電(dian)樁(zhuang)的(de)線(xian)路(lu)和(he)設(she)備(bei)本(ben)身(shen)帶(dai)來(lai)損(sun)害(hai)。欠(qian)壓(ya)保(bao)護(hu)便(bian)是(shi)在(zai)設(she)備(bei)由(you)於(yu)各(ge)種(zhong)原(yuan)因(yin)被(bei)切(qie)斷(duan)電(dian)源(yuan)後(hou),電(dian)壓(ya)被(bei)降(jiang)低(di)到(dao)臨(lin)界(jie)電(dian)壓(ya)時(shi),保(bao)護(hu)電(dian)動(dong)汽(qi)車(che)充(chong)電(dian)樁(zhuang)不(bu)會(hui)受(shou)損(sun),可(ke)延(yan)長(chang)電(dian)動(dong)汽(qi)車(che)充(chong)電(dian)樁(zhuang)的(de)使(shi)用(yong)期(qi)限(xian);
急停保護:急ji停ting開kai關guan是shi操cao作zuo員yuan在zai判pan斷duan設she備bei出chu現xian故gu障zhang卻que沒mei有you自zi動dong停ting止zhi的de情qing況kuang下xia緊jin急ji做zuo出chu停ting止zhi運yun行xing電dian動dong汽qi車che充chong電dian樁zhuang的de開kai關guan,是shi發fa生sheng在zai無wu法fa判pan斷duan的de緊jin急ji情qing況kuang下xia可ke立li刻ke做zuo出chu的de急ji救jiu操cao作zuo;
防雷擊浪湧保護:尤you其qi對dui露lu天tian電dian動dong汽qi車che充chong電dian樁zhuang來lai說shuo十shi分fen重zhong要yao。當dang電dian氣qi回hui路lu或huo者zhe通tong信xin線xian路lu中zhong因yin為wei外wai界jie的de幹gan擾rao突tu然ran產chan生sheng尖jian峰feng電dian流liu或huo者zhe電dian壓ya時shi,浪lang湧yong保bao護hu器qi能neng在zai極ji短duan的de時shi間jian內nei導dao通tong分fen流liu,從cong而er避bi免mian浪lang湧yong對dui回hui路lu中zhong其qi他ta設she備bei的de損sun害hai;戶外充電樁的雷擊浪湧防護多采用陶瓷氣體放電管做一級防護,並接入TVS二極管或者是壓敏電阻來泄放殘壓;
充電槍插拔保護:既在操作員操作過程中,對於充電器插拔過程中的漏電進行回收和處理,避免傷害人體。