如何讀懂(dong)他(ta)激(ji)式(shi)電(dian)(dian)(dian)路?什(shen)么樣(yang)的文章才會對公司和他(ta)人有(you)用(yong)(yong)(yong)呢(ni)?基(ji)于(yu)這兩(liang)個(ge)問題點及公司對他(ta)激(ji)式(shi)電(dian)(dian)(dian)路技術(shu)應用(yong)(yong)(yong)層面的局(ju)限,固(gu)特(te)超聲針對如何理(li)解他(ta)激(ji)式(shi)電(dian)(dian)(dian)路給(gei)大(da)家做(zuo)一些簡要(yao)的原(yuan)理(li)分析。(此文章基(ji)于(yu)SG3525芯(xin)片進(jin)(jin)行(xing)解說)固(gu)特(te)超聲波(bo)清洗機之【SG3525主體功(gong)(gong)能(neng)描術(shu)】一、SG3525控(kong)制(zhi)(zhi)功(gong)(gong)能(neng)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)1、 給(gei)逆變器(qi)(qi)的電(dian)(dian)(dian)子開關(guan)提供(gong)控(kong)制(zhi)(zhi)信(xin)號(hao)2、 對電(dian)(dian)(dian)流反饋信(xin)號(hao)進(jin)(jin)行(xing)放大(da)處理(li),并根據反饋,給(gei)定信(xin)號(hao)調(diao)(diao)(diao)節(jie)電(dian)(dian)(dian)子開關(guan)控(kong)制(zhi)(zhi)信(xin)號(hao)的脈寬(kuan)(kuan)(這個(ge)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)可應用(yong)(yong)(yong)功(gong)(gong)率(lv)恒定,功(gong)(gong)率(lv)調(diao)(diao)(diao)節(jie))。3、 對保(bao)護(hu)(hu)信(xin)號(hao)作(zuo)(zuo)(zuo)出反應,關(guan)閉控(kong)制(zhi)(zhi)信(xin)號(hao),(這就是我們俗稱的過(guo)流保(bao)護(hu)(hu),過(guo)熱保(bao)護(hu)(hu)). 固(gu)特(te)超聲波(bo)清洗機之【集(ji)(ji)成(cheng)(cheng)脈寬(kuan)(kuan)調(diao)(diao)(diao)制(zhi)(zhi)器(qi)(qi)】一、 脈寬(kuan)(kuan)調(diao)(diao)(diao)節(jie)器(qi)(qi)的的基(ji)本工(gong)作(zuo)(zuo)(zuo)原(yuan)理(li)脈寬(kuan)(kuan)調(diao)(diao)(diao)節(jie)器(qi)(qi)的基(ji)本工(gong)作(zuo)(zuo)(zuo)原(yuan)理(li):用(yong)(yong)(yong)一個(ge)電(dian)(dian)(dian)壓比較器(qi)(qi),在正輸(shu)入端輸(shu)入一個(ge)三角波(bo),在負輸(shu)入端輸(shu)入一直流電(dian)(dian)(dian)平(ping),比較后輸(shu)出一路方波(bo)信(xin)號(hao),并且改變負輸(shu)入端直流電(dian)(dian)(dian)平(ping)的大(da)小,即可改變方波(bo)信(xin)號(hao)的脈寬(kuan)(kuan)(如圖(tu)所示) 二、SG3525集(ji)(ji)成(cheng)(cheng)脈寬(kuan)(kuan)調(diao)(diao)(diao)制(zhi)(zhi)器(qi)(qi)的工(gong)作(zuo)(zuo)(zuo)原(yuan)理(li) 1、CW3525集(ji)(ji)成(cheng)(cheng)脈寬(kuan)(kuan)調(diao)(diao)(diao)節(jie)器(qi)(qi)的外(wai)部引腳配置 2、CW3525集(ji)(ji)成(cheng)(cheng)脈寬(kuan)(kuan)調(diao)(diao)(diao)節(jie)器(qi)(qi)的內(nei)部結構(gou)框圖(tu): 3、各引腳功(gong)(gong)能(neng):1、2腳:為誤差放大(da)器(qi)(qi)正反向輸(shu)入端,因為3525內(nei)部誤差放大(da)器(qi)(qi)的性...
發布時間(jian):
2017
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07
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21
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