為(wei)什(shen)么電源適(shi)配器需要(yao)做(zuo)老化測(ce)試(shi)
當(dang)(dang)然(ran)使用(yong)一年(nian)或(huo)者(zhe)更久出(chu)現(xian)問(wen)(wen)題(ti)(ti),那是(shi)電源的(de)(de)壽(shou)命(ming)問(wen)(wen)題(ti)(ti),這(zhe)個是(shi)沒有辦法控制的(de)(de)。當(dang)(dang)然(ran)這(zhe)個問(wen)(wen)題(ti)(ti)也不能說的(de)(de)如此***,我們分析是(shi)只(zhi)是(shi)理論上的(de)(de)結(jie)果,因為不排除(chu)你買(mai)到(dao)了山(shan)寨產(chan)品沒有做過老化(hua)測(ce)試(shi)的(de)(de),但是(shi)使用(yong)起來(lai)就是(shi)沒問(wen)(wen)題(ti)(ti),或(huo)許用(yong)個一年(nian)兩(liang)年(nian)的(de)(de)才出(chu)現(xian)問(wen)(wen)題(ti)(ti),但是(shi)做過老化(hua)測(ce)試(shi)的(de)(de)電源適配器產(chan)品更加安全一點。
影響鋰電池循環性能的因素
過多(duo)的水(shui)分會與正負極活性物質發(fa)生副反應(ying)、破壞(huai)其結構(gou)進而影響循環,同(tong)時水(shui)分過多(duo)也不利于SEI膜的形成,但在(zai)痕(hen)量(liang)的水(shui)分難以除去(qu)的同(tong)時,痕(hen)量(liang)的水(shui)也可以一(yi)定(ding)程度上保證電(dian)芯的性能。
四種(zhong)常見的(de)電(dian)動車充電(dian)方(fang)式
恒壓充(chong)電(dian)(dian)(dian)是指(zhi)每只單體電(dian)(dian)(dian)池均(jun)以某一恒定電(dian)(dian)(dian)壓(一般取單格電(dian)(dian)(dian)池數(shu)×2.5V)進行充(chong)電(dian)(dian)(dian)。其主要特點為(wei):充(chong)電(dian)(dian)(dian)初期電(dian)(dian)(dian)流相當大,蓄電(dian)(dian)(dian)池電(dian)(dian)(dian)動勢和電(dian)(dian)(dian)解液相對密度上升較快(kuai),隨(sui)著充(chong)電(dian)(dian)(dian)的延(yan)續充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流逐漸減(jian)小,在(zai)充(chong)電(dian)(dian)(dian)終期只有很小的電(dian)(dian)(dian)流通(tong)過;充(chong)電(dian)(dian)(dian)時間短、能(neng)耗低
恒(heng)溫老化房的(de)保(bao)養
恒(heng)溫(wen)恒(heng)濕(shi)老(lao)化房(fang)檢(jian)查(cha)(cha)超(chao)溫(wen)保護(hu)器(qi)(qi):恒(heng)溫(wen)恒(heng)濕(shi)老(lao)化房(fang)運(yun)轉(zhuan)(zhuan)時(shi)(shi),超(chao)溫(wen)保護(hu)之(zhi)設(she)定(ding)***值加老(lao)化房(fang)內(nei)之(zhi)溫(wen)度升至超(chao)溫(wen)保護(hu)之(zhi)設(she)定(ding)點時(shi)(shi),加熱(re)器(qi)(qi)之(zhi)供電即停止(zhi),"超(chao)溫(wen)警 示燈(deng)亮但風(feng)扇仍(reng)運(yun)轉(zhuan)(zhuan),若長時(shi)(shi)間(jian)運(yun)轉(zhuan)(zhuan)及無人看管,運(yun)轉(zhuan)(zhuan)前請務必(bi)確實檢(jian)查(cha)(cha)超(chao)溫(wen)保護(hu)器(qi)(qi),是(shi)否設(she)定(ding)妥當﹝濕(shi)球超(chao)溫(wen)保護(hu)器(qi)(qi)之(zhi)設(she)定(ding)﹞
高(gao)溫老化房要注意(yi)什(shen)么
在機臺(tai)附近使(shi)用可燃性物(wu)品(pin),應適當遠離,防止(zhi)意外(wai)發生。 請(qing)(qing)小(xiao)心將物(wu)品(pin)放入機臺(tai),溫度在60度以上的請(qing)(qing)務必戴高溫手(shou)套。
國內老化房(fang)可靠性發展現狀(zhuang)分析
正因(yin)為(wei)高等(deng)院校沒(mei)(mei)有(you)開設可靠性(xing)(xing)知(zhi)識(shi)教學課(ke)程,就必須由(you)企(qi)業(ye)來補上(shang)。目前大多數企(qi)業(ye)熱(re)衷(zhong)于讓員工取(qu)得各(ge)種上(shang)崗(gang)證(zheng),如(ru)(ru)會計(ji)、計(ji)算機(ji)、英語等(deng)上(shang)崗(gang)證(zheng),為(wei)什么不可以設立可靠性(xing)(xing)知(zhi)識(shi)培(pei)訓的上(shang)崗(gang)證(zheng)呢?如(ru)(ru)果(guo)沒(mei)(mei)有(you)可靠性(xing)(xing)相(xiang)關知(zhi)識(shi),則可以說,研發的產品(pin)(pin)就沒(mei)(mei)有(you)可靠性(xing)(xing)保障。可靠性(xing)(xing)是(shi)一個花(hua)錢的工程,而可靠性(xing)(xing)培(pei)訓則是(shi)一個產品(pin)(pin)可靠性(xing)(xing)經費中很小的一部分
逆變器使用過程(cheng)中要注意什么
逆變器接(jie)(jie)(jie)入的直流(liu)電壓標有正(zheng)負極。紅(hong)色(se)(se)為正(zheng)極(+),黑色(se)(se)為負極(—),蓄電池上也同樣(yang)標有正(zheng)負極,紅(hong)色(se)(se)為正(zheng)極(+),黑色(se)(se)為負極(—),連(lian)接(jie)(jie)(jie)時必(bi)(bi)須正(zheng)接(jie)(jie)(jie)正(zheng)(紅(hong)接(jie)(jie)(jie)紅(hong)),負接(jie)(jie)(jie)負(黑接(jie)(jie)(jie)黑)。連(lian)接(jie)(jie)(jie)線線徑(jing)必(bi)(bi)須足(zu)夠粗,并且盡可能減少連(lian)接(jie)(jie)(jie)線的長度。