來源:昌昇自動化時間:2021-05-14
womendouzhidaozhuanyedanfosibianpinqixiulirenyuan,bujinyaozhidaojibendedianlu,haiyaoshenkedemingbailejiezhuyaodedianlu。henduoguangdachuxueweixiurenyuanduizhuyaodedianludedianluhaibuzhidaode,meiguanxi,bizhegeidajiashulilezhefangmiandezhuanyezhishi,jutiruxia:
主(zhu)回(hui)路(lu)主(zhu)要(yao)由(you)整(zheng)流(liu)電(dian)路(lu)限(xian)流(liu)電(dian)路(lu),濾(lv)波(bo)電(dian)路(lu),製(zhi)動(dong)電(dian)路(lu),逆(ni)變(bian)電(dian)路(lu)和(he)檢(jian)測(ce)取(qu)樣(yang)電(dian)路(lu)部(bu)分(fen)組(zu)成(cheng)。我(wo)們(men)這(zhe)裏(li)根(gen)據(ju)驅(qu)動(dong)電(dian)路(lu),保(bao)護(hu)電(dian)路(lu)和(he)開(kai)關(guan)電(dian)源(yuan)電(dian)路(lu)這(zhe)三(san)點(dian)做(zuo)梳(shu)理(li)。
1.驅動電路
驅動電路是指讓主控電路中CPU產生的六個PWMxinhao,tongguoguangdiangelihefangdahou,qidaoyigenibiandianludehuanliuqijiantigongqudongxinhao。duiqudongdianludegezhongyaoqiu,yehuigenjuhuanliuqijiandebutongerbutong。yixiekaifashangkaifalexuduogeshigeyanghuanliuqijiandezhuanyongqudongmokuai。yixiepinpaihexinghaodedanfosibianpinqihuiliyongzhuanyongqudongmokuai,danshihenduodanfosibianpinqicaiyongqudongdianlu。congdanfosibianpinqixiulideguandianchufa,qudongdianluyougelifangdadianluhequdongfangdadianluhequdongdianludianyuanzucheng。sangeshangqiaobiqudongdianlushisangeduliqudongdianyuandianlu,sangexiaqiaobiqudongdianlushiyigegonggongdequdongdianyuandianlu。
2.保護電路
丹(dan)佛(fo)斯(si)變(bian)頻(pin)器(qi)出(chu)現(xian)故(gu)障(zhang)時(shi)要(yao)盡(jin)量(liang)讓(rang)丹(dan)佛(fo)斯(si)變(bian)頻(pin)器(qi)因(yin)異(yi)常(chang)造(zao)成(cheng)的(de)損(sun)失(shi)講(jiang)到(dao)最(zui)低(di)甚(shen)至(zhi)為(wei)零(ling)。每(mei)個(ge)品(pin)牌(pai)的(de)丹(dan)佛(fo)斯(si)變(bian)頻(pin)器(qi)都(dou)很(hen)在(zai)乎(hu)保(bao)護(hu)功(gong)能(neng),而(er)且(qie)都(dou)有(you)設(she)法(fa)增(zeng)加(jia)保(bao)護(hu)功(gong)能(neng),具(ju)有(you)提(ti)高(gao)保(bao)護(hu)功(gong)能(neng)的(de)有(you)效(xiao)性(xing)。這(zhe)裏(li)其(qi)中(zhong)有(you)常(chang)規(gui)的(de)檢(jian)測(ce)保(bao)護(hu)電(dian)路(lu)和(he)軟(ruan)件(jian)綜(zong)合(he)保(bao)護(hu)功(gong)能(neng)。有(you)些(xie)丹(dan)佛(fo)斯(si)變(bian)頻(pin)器(qi)的(de)驅(qu)動(dong)電(dian)路(lu)模(mo)塊(kuai)和(he)整(zheng)流(liu)逆(ni)變(bian)組(zu)合(he)模(mo)塊(kuai)等(deng),內(nei)部(bu)都(dou)是(shi)具(ju)有(you)保(bao)護(hu)功(gong)能(neng)。具(ju)體(ti)是(shi)由(you)電(dian)流(liu)取(qu)樣(yang)、信號隔離放大、信號放大輸出三部分組成。
3.開關電源電路
開關電源電路向操作麵板,主控板,驅動電路和風機等電路提供低壓電源。
