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恒温恒湿试验箱超温报警维修
目录：公(gong)司动态发布时间：2023-06-06 09:36:57点击率：
恒温(wen)恒湿试(shi)(shi)验(yan)箱在运行的过程中往(wang)往(wang)会(hui)因为(wei)操作(zuo)不(bu)(bu)当(dang)会(hui)突发情况导致设备(bei)(bei)立即停止工作(zuo)，这(zhei)样(yang)(yang)突如其来的情况也往(wang)往(wang)会(hui)导致设备(bei)(bei)故(gu)障(zhang)、样(yang)(yang)品被烧坏以及(ji)使(shi)用寿命缩短等问题的发生。此时，为(wei)了避(bi)免故(gu)障(zhang)的发生，厂家在生产恒温(wen)恒湿试(shi)(shi)验(yan)箱时会(hui)配置有(you)对试(shi)(shi)验(yan)安(an)全起(qi)着(zhe)保(bao)障(zhang)作(zuo)用的超温(wen)保(bao)护器，是(shi)每一台(tai)恒温(wen)恒湿试(shi)(shi)验(yan)箱的必备(bei)(bei)装置，不(bu)(bu)仅(jin)能减少(shao)样(yang)(yang)品被烧坏的机率，对于试(shi)(shi)验(yan)箱的使(shi)用寿命亦是(shi)起(qi)着(zhe)积极的作(zuo)用。
（恒温恒湿箱维修）
恒(heng)(heng)温(wen)(wen)恒(heng)(heng)湿试(shi)(shi)(shi)验箱(xiang)(xiang)在(zai)测试(shi)(shi)(shi)的(de)(de)过(guo)(guo)程中出现温(wen)(wen)度(du)控(kong)制器故障(zhang)，试(shi)(shi)(shi)验箱(xiang)(xiang)的(de)(de)加热(re)器不停止工作，试(shi)(shi)(shi)验箱(xiang)(xiang)一直升温(wen)(wen)，无法(fa)(fa)通过(guo)(guo)正常(chang)的(de)(de)信(xin)号供给来切断加热(re)器的(de)(de)电源，使得加热(re)管无法(fa)(fa)有(you)节律的(de)(de)停止供热(re)，这(zhei)种情(qing)况很(hen)有(you)可(ke)能会(hui)将箱(xiang)(xiang)内测试(shi)(shi)(shi)的(de)(de)样品全部烧坏并造成(cheng)恒(heng)(heng)温(wen)(wen)恒(heng)(heng)湿试(shi)(shi)(shi)验箱(xiang)(xiang)着火(huo)。试(shi)(shi)(shi)验箱(xiang)(xiang)在(zai)做实验时还可(ke)能出现温(wen)(wen)度(du)上升与下(xia)降的(de)(de)过(guo)(guo)冲(chong)情(qing)况导致(zhi)发热(re)系(xi)统(tong)或制冷(leng)系(xi)统(tong)发生(sheng)故障(zhang)。若此时恒(heng)(heng)温(wen)(wen)(wen)(wen)恒(heng)(heng)湿试(shi)验箱(xiang)(xiang)配(pei)有超温(wen)(wen)(wen)(wen)保(bao)护器(qi)(qi)(qi)，当(dang)(dang)被控(kong)制对象(xiang)的(de)温(wen)(wen)(wen)(wen)度(du)(du)发(fa)生(sheng)变化时使(shi)温(wen)(wen)(wen)(wen)控(kong)器(qi)(qi)(qi)感(gan)温(wen)(wen)(wen)(wen)部内(nei)(nei)的(de)工质(zhi)产(chan)生(sheng)相应(ying)的(de)热胀冷缩(suo)(suo)的(de)物理现象(xiang)，与感(gan)温(wen)(wen)(wen)(wen)部连通(tong)一起(qi)的(de)膜(mo)盒产(chan)生(sheng)膨胀或收(shou)缩(suo)(suo)。当(dang)(dang)箱(xiang)(xiang)体内(nei)(nei)的(de)温(wen)(wen)(wen)(wen)度(du)(du)升到恒(heng)(heng)温(wen)(wen)(wen)(wen)恒(heng)(heng)湿试(shi)验箱(xiang)(xiang)所设定(ding)的(de)警(jing)戒值时，就会(hui)产(chan)生(sheng)超温(wen)(wen)(wen)(wen)报(bao)警(jing)，保(bao)护器(qi)(qi)(qi)便会(hui)通(tong)过杠杆原(yuan)理，带动(dong)(dong)开(kai)关通(tong)断(duan)动(dong)(dong)作，而断(duan)电或停机来保(bao)护试(shi)验箱(xiang)(xiang)。当(dang)(dang)试(shi)验箱(xiang)(xiang)内(nei)(nei)温(wen)(wen)(wen)(wen)度(du)(du)过冲时超温(wen)(wen)(wen)(wen)保(bao)护器(qi)(qi)(qi)可(ke)以起(qi)到紧急停机作用(yong)，有效(xiao)保(bao)护试(shi)验箱(xiang)(xiang)系统，延(yan)长(zhang)设备使(shi)用(yong)寿命。
