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「鹽(yan)霧實驗機(ji)」常(chang)見的故障(zhang)及解決方法(fa)介紹
無法加熱
鹽霧測(ce)(ce)試機加(jia)(jia)(jia)(jia)熱(re)系(xi)(xi)統(tong)為:電(dian)(dian)(dian)源(yuan)---開(kai)關(guan)---加(jia)(jia)(jia)(jia)熱(re)管(guan)(guan)----溫(wen)(wen)(wen)(wen)控(kong),這(zhe)里面(mian)又分為兩個(ge)加(jia)(jia)(jia)(jia)熱(re)系(xi)(xi)統(tong),一為壓力(li)(li)(li)桶(tong)(tong)加(jia)(jia)(jia)(jia)熱(re)系(xi)(xi)統(tong),二為試驗室加(jia)(jia)(jia)(jia)熱(re)系(xi)(xi)統(tong)。據(ju)國內標準(zhun),集成電(dian)(dian)(dian)路三(san)溫(wen)(wen)(wen)(wen)測(ce)(ce)試設備(bei),壓力(li)(li)(li)桶(tong)(tong)溫(wen)(wen)(wen)(wen)度(du)設定為47°,試驗室溫(wen)(wen)(wen)(wen)度(du)設定為35°,以下做區分詳述; 1、壓力(li)(li)(li)桶(tong)(tong)無(wu)法(fa)加(jia)(jia)(jia)(jia)熱(re); 壓力(li)(li)(li)桶(tong)(tong)無(wu)法(fa)加(jia)(jia)(jia)(jia)熱(re),集成電(dian)(dian)(dian)路三(san)溫(wen)(wen)(wen)(wen)測(ce)(ce)試設備(bei)廠家,一般先排除(chu)繼電(dian)(dian)(dian)器有(you)無(wu)壞(繼電(dian)(dian)(dian)器上面(mian)有(you)個(ge)綠色小燈,若(ruo)(ruo)在加(jia)(jia)(jia)(jia)熱(re)狀態會常(chang)亮),若(ruo)(ruo)沒問題,集成電(dian)(dian)(dian)路測(ce)(ce)試設備(bei),則測(ce)(ce)量壓力(li)(li)(li)桶(tong)(tong)加(jia)(jia)(jia)(jia)熱(re)管(guan)(guan)兩端是否有(you)電(dian)(dian)(dian)壓(220V),排除(chu)這(zhe)兩個(ge)問題后(hou),就只剩下兩個(ge)原(yuan)因,一為壓力(li)(li)(li)桶(tong)(tong)溫(wen)(wen)(wen)(wen)感(gan)絲(si)燒(shao)壞,二為溫(wen)(wen)(wen)(wen)控(kong)表(biao)壞,一般先更(geng)換溫(wen)(wen)(wen)(wen)感(gan)絲(si)(較便宜),蕞(zui)后(hou)再更(geng)換溫(wen)(wen)(wen)(wen)控(kong)表(biao)。 注(zhu):發熱(re)管(guan)(guan)一般使用幾年都不會燒(shao)壞,若(ruo)(ruo)更(geng)換溫(wen)(wen)(wen)(wen)控(kong)表(biao)后(hou)仍無(wu)改善(shan),蕞(zui)后(hou)更(geng)換發熱(re)管(guan)(guan)。
冷熱沖擊試驗機高(gao)低溫(wen)(wen)(wen)(wen)(wen)區(qu)溫(wen)(wen)(wen)(wen)(wen)度范(fan)圍:【高(gao)溫(wen)(wen)(wen)(wen)(wen)區(qu)部分(fen)(fen):+80℃至(zhi)+200℃; 低溫(wen)(wen)(wen)(wen)(wen)區(qu)部分(fen)(fen):-10℃至(zhi)-55℃】 溫(wen)(wen)(wen)(wen)(wen)度測試范(fan)圍:【高(gao) 溫(wen)(wen)(wen)(wen)(wen):+60℃至(zhi)+150℃;低 溫(wen)(wen)(wen)(wen)(wen):0℃至(zhi)-40℃】 控制精(jing)度:【+(-)2℃】解析精(jing)度:【0.01℃】 高(gao)溫(wen)(wen)(wen)(wen)(wen)區(qu)升溫(wen)(wen)(wen)(wen)(wen)時間(jian)(jian):【自(zi)常溫(wen)(wen)(wen)(wen)(wen)至(zhi)150℃,約60分(fen)(fen)鐘(zhong)】 低溫(wen)(wen)(wen)(wen)(wen)區(qu)降(jiang)溫(wen)(wen)(wen)(wen)(wen)時間(jian)(jian):【自(zi)常溫(wen)(wen)(wen)(wen)(wen)至(zhi) -40℃,約80分(fen)(fen)鐘(zhong)】 測試區(qu)溫(wen)(wen)(wen)(wen)(wen)度恢復時間(jian)(jian):【3-5分(fen)(fen)鐘(zhong)】
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