處理蓄電池充電機突然停電的方法
2019/4/18 14:37:44??????點擊：
當(dang)蓄(xu)電(dian)(dian)(dian)池充(chong)(chong)足電(dian)(dian)(dian)后，充(chong)(chong)電(dian)(dian)(dian)機必須適時地切(qie)斷(duan)充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流，否(fou)則(ze)蓄(xu)電(dian)(dian)(dian)池將出現大量出氣(qi)、失(shi)水和(he)溫升等過充(chong)(chong)反應，直(zhi)接(jie)危及蓄(xu)電(dian)(dian)(dian)池的(de)使用壽(shou)命。因此，必須隨時監測蓄(xu)電(dian)(dian)(dian)池的(de)充(chong)(chong)電(dian)(dian)(dian)狀況(kuang)，保證電(dian)(dian)(dian)池充(chong)(chong)足電(dian)(dian)(dian)而又不過充(chong)(chong)電(dian)(dian)(dian)。主要的(de)停(ting)充(chong)(chong)控制方法有：
（1）定(ding)(ding)時(shi)(shi)(shi)控制采用恒流充(chong)(chong)(chong)電(dian)法時(shi)(shi)(shi)，電(dian)池(chi)所需充(chong)(chong)(chong)電(dian)時(shi)(shi)(shi)間可(ke)(ke)根(gen)據電(dian)池(chi)容量(liang)和(he)充(chong)(chong)(chong)電(dian)電(dian)流的大小很容易地確定(ding)(ding)，因此只要預先設定(ding)(ding)好(hao)充(chong)(chong)(chong)電(dian)時(shi)(shi)(shi)間，一旦(dan)時(shi)(shi)(shi)間一到(dao)，定(ding)(ding)時(shi)(shi)(shi)器即(ji)可(ke)(ke)發(fa)出信號停充(chong)(chong)(chong)或降(jiang)為涓流充(chong)(chong)(chong)電(dian)。定(ding)(ding)時(shi)(shi)(shi)器可(ke)(ke)由時(shi)(shi)(shi)間繼電(dian)器充(chong)(chong)(chong)當，或者由單(dan)片機(ji)承擔其(qi)功能(neng)(neng)。這種(zhong)方(fang)法簡單(dan)，但充(chong)(chong)(chong)電(dian)時(shi)(shi)(shi)間不能(neng)(neng)根(gen)據電(dian)池(chi)充(chong)(chong)(chong)電(dian)前狀態而自動調(diao)整，因此實際充(chong)(chong)(chong)電(dian)時(shi)(shi)(shi)，可(ke)(ke)能(neng)(neng)會出現有時(shi)(shi)(shi)欠充(chong)(chong)(chong)、有時(shi)(shi)(shi)過充(chong)(chong)(chong)的現象；
（2）電(dian)(dian)(dian)池(chi)(chi)溫度(du)控制對Ni-cd電(dian)(dian)(dian)池(chi)(chi)而言，正常充(chong)(chong)電(dian)(dian)(dian)時，蓄電(dian)(dian)(dian)池(chi)(chi)的溫度(du)變化并不明顯，但是，當電(dian)(dian)(dian)池(chi)(chi)過充(chong)(chong)時，其(qi)內部(bu)(bu)氣體壓力將迅速(su)增(zeng)大，負極(ji)板上(shang)氧化反應使內部(bu)(bu)發熱(re)，溫度(du)迅速(su)上(shang)升（每(mei)分鐘可(ke)升高(gao)幾個(ge)攝氏度(du)）。因(yin)此，觀察(cha)電(dian)(dian)(dian)池(chi)(chi)溫度(du)的變化，即可(ke)判斷(duan)電(dian)(dian)(dian)池(chi)(chi)是否已經充(chong)(chong)滿。通常采用兩(liang)只(zhi)熱(re)敏(min)電(dian)(dian)(dian)阻分別檢測(ce)電(dian)(dian)(dian)池(chi)(chi)溫度(du)和環境溫度(du)，當兩(liang)者溫差達(da)到一定值時，即發出停充(chong)(chong)信號(hao)。由于熱(re)敏(min)電(dian)(dian)(dian)阻動態(tai)響應速(su)度(du)較慢，故(gu)不能(neng)及時準確地(di)檢測(ce)到電(dian)(dian)(dian)池(chi)(chi)的滿充(chong)(chong)狀態(tai)；
（3）電池端電壓負增量控制一般而言，當電池充足電后，其端電壓將呈現下降趨勢，據此可將電池電壓出現負增長的時刻作為停充時刻。與溫度控制法相比，這種方法響應速度快，此外，電壓的負增量與電壓的絕對值無關，因此這種停充控制方法可適應具有不同單格電池數的蓄電池組充電。此方法的缺點是一般的檢測器靈敏度和可靠性不高，同時，當環境溫度較高時，電池充足電后電壓的減小并不明顯，因而難以控制。上海施能電器設備有限(xian)公司(si)始建于1984年，上海市高新技術企業，中國工業車輛優秀配套供應商，上海電器行業名優產品，主要生產工頻系列充電機，高頻系列充電機，鋰電池充電機，系列放電機，系列充放電機等電器產品。
（1）定(ding)(ding)時(shi)(shi)(shi)控制采用恒流充(chong)(chong)(chong)電(dian)法時(shi)(shi)(shi)，電(dian)池(chi)所需充(chong)(chong)(chong)電(dian)時(shi)(shi)(shi)間可(ke)(ke)根(gen)據電(dian)池(chi)容量(liang)和(he)充(chong)(chong)(chong)電(dian)電(dian)流的大小很容易地確定(ding)(ding)，因此只要預先設定(ding)(ding)好(hao)充(chong)(chong)(chong)電(dian)時(shi)(shi)(shi)間，一旦(dan)時(shi)(shi)(shi)間一到(dao)，定(ding)(ding)時(shi)(shi)(shi)器即(ji)可(ke)(ke)發(fa)出信號停充(chong)(chong)(chong)或降(jiang)為涓流充(chong)(chong)(chong)電(dian)。定(ding)(ding)時(shi)(shi)(shi)器可(ke)(ke)由時(shi)(shi)(shi)間繼電(dian)器充(chong)(chong)(chong)當，或者由單(dan)片機(ji)承擔其(qi)功能(neng)(neng)。這種(zhong)方(fang)法簡單(dan)，但充(chong)(chong)(chong)電(dian)時(shi)(shi)(shi)間不能(neng)(neng)根(gen)據電(dian)池(chi)充(chong)(chong)(chong)電(dian)前狀態而自動調(diao)整，因此實際充(chong)(chong)(chong)電(dian)時(shi)(shi)(shi)，可(ke)(ke)能(neng)(neng)會出現有時(shi)(shi)(shi)欠充(chong)(chong)(chong)、有時(shi)(shi)(shi)過充(chong)(chong)(chong)的現象；
（2）電(dian)(dian)(dian)池(chi)(chi)溫度(du)控制對Ni-cd電(dian)(dian)(dian)池(chi)(chi)而言，正常充(chong)(chong)電(dian)(dian)(dian)時，蓄電(dian)(dian)(dian)池(chi)(chi)的溫度(du)變化并不明顯，但是，當電(dian)(dian)(dian)池(chi)(chi)過充(chong)(chong)時，其(qi)內部(bu)(bu)氣體壓力將迅速(su)增(zeng)大，負極(ji)板上(shang)氧化反應使內部(bu)(bu)發熱(re)，溫度(du)迅速(su)上(shang)升（每(mei)分鐘可(ke)升高(gao)幾個(ge)攝氏度(du)）。因(yin)此，觀察(cha)電(dian)(dian)(dian)池(chi)(chi)溫度(du)的變化，即可(ke)判斷(duan)電(dian)(dian)(dian)池(chi)(chi)是否已經充(chong)(chong)滿。通常采用兩(liang)只(zhi)熱(re)敏(min)電(dian)(dian)(dian)阻分別檢測(ce)電(dian)(dian)(dian)池(chi)(chi)溫度(du)和環境溫度(du)，當兩(liang)者溫差達(da)到一定值時，即發出停充(chong)(chong)信號(hao)。由于熱(re)敏(min)電(dian)(dian)(dian)阻動態(tai)響應速(su)度(du)較慢，故(gu)不能(neng)及時準確地(di)檢測(ce)到電(dian)(dian)(dian)池(chi)(chi)的滿充(chong)(chong)狀態(tai)；
（3）電池端電壓負增量控制一般而言，當電池充足電后，其端電壓將呈現下降趨勢，據此可將電池電壓出現負增長的時刻作為停充時刻。與溫度控制法相比，這種方法響應速度快，此外，電壓的負增量與電壓的絕對值無關，因此這種停充控制方法可適應具有不同單格電池數的蓄電池組充電。此方法的缺點是一般的檢測器靈敏度和可靠性不高，同時，當環境溫度較高時，電池充足電后電壓的減小并不明顯，因而難以控制。上海施能電器設備有限(xian)公司(si)始建于1984年，上海市高新技術企業，中國工業車輛優秀配套供應商，上海電器行業名優產品，主要生產工頻系列充電機，高頻系列充電機，鋰電池充電機，系列放電機，系列充放電機等電器產品。
- 上一篇：并聯均流平衡大功率充電機負載電流分配 2019/4/19
- 下一篇：智能充電機的充電方式 2019/4/18