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恒温恒湿试验箱超温报警维修

目(mu)录(lu):公司动态(tai)发布(bu)时间:2023-06-06 09:36:57点击率:

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恒(heng)(heng)(heng)温(wen)(wen)恒(heng)(heng)(heng)湿试(shi)验箱(xiang)在运行的(de)过(guo)程中往(wang)往(wang)会(hui)因为(wei)操作(zuo)(zuo)不当会(hui)突发(fa)情况(kuang)导致(zhi)设备立即(ji)停(ting)止工作(zuo)(zuo),这样突如其来(lai)的(de)情况(kuang)也(ye)往(wang)往(wang)会(hui)导致(zhi)设备故障(zhang)、样品被烧(shao)坏(huai)以(yi)及(ji)使(shi)用(yong)寿命(ming)(ming)缩短等问(wen)题的(de)发(fa)生(sheng)。此时,为(wei)了避(bi)免故障(zhang)的(de)发(fa)生(sheng),厂家在生(sheng)产恒(heng)(heng)(heng)温(wen)(wen)恒(heng)(heng)(heng)湿试(shi)验箱(xiang)时会(hui)配置有(you)对(dui)试(shi)验安全起着(zhe)(zhe)保障(zhang)作(zuo)(zuo)用(yong)的(de)超温(wen)(wen)保护器,是(shi)每一(yi)台恒(heng)(heng)(heng)温(wen)(wen)恒(heng)(heng)(heng)湿试(shi)验箱(xiang)的(de)必备装置,不仅能(neng)减少样品被烧(shao)坏(huai)的(de)机率,对(dui)于试(shi)验箱(xiang)的(de)使(shi)用(yong)寿命(ming)(ming)亦是(shi)起着(zhe)(zhe)积极的(de)作(zuo)(zuo)用(yong)。

恒温恒湿箱维修

  恒温恒湿(shi)试(shi)验(yan)(yan)(yan)箱(xiang)(xiang)在测(ce)试(shi)的(de)(de)过(guo)程中出(chu)(chu)现温度(du)控制(zhi)器(qi)(qi)故障,试(shi)验(yan)(yan)(yan)箱(xiang)(xiang)的(de)(de)加热器(qi)(qi)不停(ting)止(zhi)工(gong)作,试(shi)验(yan)(yan)(yan)箱(xiang)(xiang)一(yi)直升(sheng)温,无法通过(guo)正常的(de)(de)信号供给来切断加热器(qi)(qi)的(de)(de)电源,使得(de)加热管无法有节律的(de)(de)停(ting)止(zhi)供热,这种情(qing)况很有可(ke)能(neng)会将箱(xiang)(xiang)内测(ce)试(shi)的(de)(de)样品全部烧坏并(bing)造(zao)成恒温恒湿(shi)试(shi)验(yan)(yan)(yan)箱(xiang)(xiang)着(zhe)火。试(shi)验(yan)(yan)(yan)箱(xiang)(xiang)在做(zuo)实验(yan)(yan)(yan)时(shi)还(hai)可(ke)能(neng)出(chu)(chu)现温度(du)上升(sheng)与下降的(de)(de)过(guo)冲情(qing)况导致发(fa)热系统或制(zhi)冷(leng)系统发(fa)生故障。
  若此时恒(heng)(heng)(heng)温(wen)(wen)(wen)(wen)恒(heng)(heng)(heng)湿试(shi)验(yan)箱(xiang)(xiang)(xiang)配有(you)超(chao)(chao)温(wen)(wen)(wen)(wen)保护器,当(dang)被(bei)控制对象的温(wen)(wen)(wen)(wen)度(du)发生变化(hua)时使温(wen)(wen)(wen)(wen)控器感温(wen)(wen)(wen)(wen)部内(nei)的工质产(chan)生相应的热胀冷缩(suo)的物理现象,与(yu)感温(wen)(wen)(wen)(wen)部连通一起的膜(mo)盒产(chan)生膨胀或收缩(suo)。当(dang)箱(xiang)(xiang)(xiang)体内(nei)的温(wen)(wen)(wen)(wen)度(du)升到(dao)恒(heng)(heng)(heng)温(wen)(wen)(wen)(wen)恒(heng)(heng)(heng)湿试(shi)验(yan)箱(xiang)(xiang)(xiang)所设(she)定的警(jing)戒值时,就会产(chan)生超(chao)(chao)温(wen)(wen)(wen)(wen)报(bao)警(jing),保护器便会通过(guo)杠杆原理,带(dai)动开关通断动作,而断电(dian)或停机(ji)来(lai)保护试(shi)验(yan)箱(xiang)(xiang)(xiang)。当(dang)试(shi)验(yan)箱(xiang)(xiang)(xiang)内(nei)温(wen)(wen)(wen)(wen)度(du)过(guo)冲时超(chao)(chao)温(wen)(wen)(wen)(wen)保护器可以起到(dao)紧急停机(ji)作用,有(you)效保护试(shi)验(yan)箱(xiang)(xiang)(xiang)系统,延长(zhang)设(she)备使用寿命。
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