• 

  2019-4-26 大功率充電電源嘯叫的原因

  大功率(lv)充(chong)電電源(yuan)控(kong)制(zhi)著電路中開(kai)關(guan)(guan)管開(kai)通(tong)和關(guan)(guan)斷的時間比率(lv)，維持著穩定的電路電壓輸出，是一(yi)種非常(chang)常(chang)見的電源(yuan)設計。但是從事過開(kai)關(guan)(guan)電源(yuan)設計的人都知道，在對(dui)開(kai)關(guan)(guan)電源(yuan)進行測試的過程當中，經(jing)常(chang)會(hui)聽到一(yi)些嘯叫聲，類似于打高壓不良時發出的漏電音(yin)，或著像(xiang)高壓拉(la)弧(hu)...

  查看詳細+
• 

  2019-4-25 大功率充電機短路故障的原因

  在大功率充電(dian)(dian)(dian)機正常(chang)工作時，通(tong)過交(jiao)流保險(xian)絲的(de)電(dian)(dian)(dian)流，滿負荷工作時最大不(bu)會超過4A，而(er)本次設(she)計中交(jiao)流保險(xian)絲的(de)熔斷電(dian)(dian)(dian)流為5A，現在上(shang)電(dian)(dian)(dian)即燒，表明電(dian)(dian)(dian)源內有嚴重短路性故(gu)障。 ① 抗(kang)干擾(rao)電(dian)(dian)(dian)容(rong)C1、C2、C3是否(fou)擊穿(chuan)。如果(guo)C1、C2被同(tong)時擊穿(chuan)短...

  查看詳細+
• 

  2019-4-25 蓄電池充電機反饋回路開路

  如果蓄電(dian)池充電(dian)機變壓器次級的(de)電(dian)壓反饋(kui)回(hui)路開路，即分壓電(dian)阻開路，反饋(kui)電(dian)壓不能輸入ＰＷＭ脈(mo)寬調制芯(xin)片(pian)輸入腳，或者初級線圈(quan)電(dian)流(liu)過(guo)大，脈(mo)寬調制芯(xin)片(pian)SG3525過(guo)流(liu)保護工作，或者光耦(ou)合器PC817故(gu)障，SG3525的(de)輸出(chu)脈(mo)沖信(xin)號不能送到專用驅動芯(xin)片(pian)I...

  查看詳細+
• 

  2019-4-24 蓄電池充電機的正確使用方法

  雖(sui)然我(wo)(wo)們對蓄電(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)機(ji)比較熟悉，但是(shi)，這并不代表我(wo)(wo)們真的(de)(de)明(ming)白蓄電(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)機(ji)的(de)(de)正(zheng)(zheng)確(que)使用方法。蓄電(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)機(ji)操作或者使用時，應該注意哪些小細節(jie)的(de)(de)問題(ti)，也許這些小細節(jie)就(jiu)是(shi)決(jue)定蓄電(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)機(ji)壽(shou)命，和(he)使用時的(de)(de)安全(quan)性的(de)(de)重(zhong)要因素。 　　當然，使用時正(zheng)(zheng)負(fu)極要連...

  查看詳細+
• 

  2019-4-24 蓄電池充電機集中管理監控技術成為電源行業中的焦點

  隨著計(ji)算機(ji)(ji)網(wang)絡(luo)的(de)發展，“網(wang)絡(luo)就是(shi)(shi)計(ji)算機(ji)(ji)”的(de)趨勢日(ri)益明顯，要(yao)讓信息實時暢通(tong)并為(wei)人所(suo)共享將至關(guan)重要(yao)，而高質量(liang)的(de)供電(dian)是(shi)(shi)網(wang)絡(luo)正常運轉的(de)基礎，所(suo)以(yi)保(bao)護(hu)網(wang)絡(luo)設(she)備首先是(shi)(shi)要(yao)保(bao)護(hu)整個網(wang)絡(luo)的(de)電(dian)源，不光是(shi)(shi)主機(ji)(ji)（HOST）、路由器（ROUTER）、交換(huan)機(ji)(ji)...

  查看詳細+
• 

  2019-4-23 智能充電機不間斷電源常見故障現象原因分析？

  在日常(chang)處(chu)理Smart-智能充(chong)電(dian)(dian)(dian)機(ji)報修申(shen)請的(de)(de)過程(cheng)中，我們發現(xian)有許多智能充(chong)電(dian)(dian)(dian)機(ji)的(de)(de)故(gu)障(zhang)現(xian)象是(shi)由(you)于電(dian)(dian)(dian)池、市電(dian)(dian)(dian)、使(shi)用環境和使(shi)用方法等因素(su)造(zao)成的(de)(de)，有相當一部分(fen)智能充(chong)電(dian)(dian)(dian)機(ji)本身并沒有出(chu)現(xian)故(gu)障(zhang)。如果(guo)能將這些因素(su)找出(chu)來，判斷出(chu)并非(fei)是(shi)由(you)于智能充(chong)電(dian)(dian)(dian)機(ji)引(yin)起的(de)(de)故(gu)障(zhang)現(xian)象...

  查看詳細+
• 

  2019-4-23 如何選購蓄電池充電機

  許多用戶在確定蓄(xu)(xu)電池(chi)充(chong)(chong)(chong)電機功(gong)率(lv)時，由(you)于資金的困擾(rao)和對(dui)蓄(xu)(xu)電池(chi)充(chong)(chong)(chong)電機電源不甚了解(jie)，往(wang)往(wang)從目前(qian)機房設備的容(rong)量(liang)去選擇(ze)蓄(xu)(xu)電池(chi)充(chong)(chong)(chong)電機的功(gong)率(lv)，這樣(yang)就會(hui)導致(zhi)蓄(xu)(xu)電池(chi)充(chong)(chong)(chong)電機功(gong)率(lv)容(rong)量(liang)與負載的功(gong)率(lv)相(xiang)同或(huo)略大。實際上這樣(yang)選擇(ze)是不明智(zhi)的。選購蓄(xu)(xu)電池(chi)充(chong)(chong)(chong)電機電源時，要根據...

  查看詳細+
• 

  2019-4-19 110V充電機有什么規格的？以及在直流屏的應用

  110V直流屏充(chong)電機(ji)產品體積小(xiao)、重量輕、便于移動及攜帶。具有(you)操作簡便，充(chong)電速(su)度(du)快，充(chong)電還原效率高，超(chao)過(guo)充(chong)電無過(guo)充(chong)危險，電壓(ya)(ya)/電流數(shu)據(ju)顯示、具有(you)過(guo)壓(ya)(ya)、欠壓(ya)(ya)、過(guo)流、輸出(chu)短(duan)路、防反接保護和過(guo)熱保護等功能。采用(yong)波寬調(diao)變技術(shu)、高效率、高功率因數(shu)、噪音...

  查看詳細+
• 

  2019-4-19 并聯均流平衡大功率充電機負載電流分配

  傳統大功率充(chong)(chong)電(dian)(dian)(dian)(dian)機(ji)由于采用的(de)是變壓器變壓整流、可控硅控制的(de)方(fang)法，因此設(she)備笨(ben)重(zhong)，可靠性差。電(dian)(dian)(dian)(dian)瓶充(chong)(chong)電(dian)(dian)(dian)(dian)機(ji)、汽(qi)車(che)(che)充(chong)(chong)電(dian)(dian)(dian)(dian)機(ji)、汽(qi)車(che)(che)電(dian)(dian)(dian)(dian)瓶充(chong)(chong)電(dian)(dian)(dian)(dian)機(ji)、電(dian)(dian)(dian)(dian)動(dong)汽(qi)車(che)(che)充(chong)(chong)電(dian)(dian)(dian)(dian)機(ji)、電(dian)(dian)(dian)(dian)動(dong)叉車(che)(che)充(chong)(chong)電(dian)(dian)(dian)(dian)機(ji)的(de)蓄(xu)電(dian)(dian)(dian)(dian)池(chi)的(de)充(chong)(chong)電(dian)(dian)(dian)(dian)，共同面臨的(de)一大問題(ti)是這種小(xiao)電(dian)(dian)(dian)(dian)流慢充(chong)(chong)方(fang)式(shi)，蓄(xu)電(dian)(dian)(dian)(dian)池(chi)初充(chong)(chong)所需時間(jian)非常長(chang)，充(chong)(chong)...

  查看詳細+
• 

  2019-4-18 處理蓄電池充電機突然停電的方法

  當蓄(xu)電(dian)池充(chong)(chong)(chong)足電(dian)后，充(chong)(chong)(chong)電(dian)機(ji)必(bi)須(xu)適時(shi)地(di)切斷充(chong)(chong)(chong)電(dian)電(dian)流(liu)(liu)，否則蓄(xu)電(dian)池將出現(xian)大量出氣、失水(shui)和(he)溫升等(deng)過(guo)(guo)充(chong)(chong)(chong)反應，直接危(wei)及(ji)蓄(xu)電(dian)池的使用壽命。因(yin)此，必(bi)須(xu)隨(sui)時(shi)監測(ce)蓄(xu)電(dian)池的充(chong)(chong)(chong)電(dian)狀況，保證電(dian)池充(chong)(chong)(chong)足電(dian)而又不(bu)過(guo)(guo)充(chong)(chong)(chong)電(dian)。主要的停充(chong)(chong)(chong)控(kong)制方法有(you)： （1）定時(shi)控(kong)制采用恒流(liu)(liu)充(chong)(chong)(chong)電(dian)...

  查看詳細+