denglizitiguangpuyuqitadaxingjingmiyiqiyiyang,xuyaozaiyidingdehuanjingxiayunxing,shiquzhexietiaojian,bujinyiqideshiyongxiaoguobuhao,erqiegaibianyiqidejiancexingneng,shenzhizaochengsunhuai,suoduanshouming。genjuguangxueyiqidetedian,duihuanjingwenduheshiduyouyidingyaoqiu。ruguowendubianhuataida,guangxueyuanjianshouwendubianhuadeyingxiangjiuhuichanshengpuxianpiaoyi,zaochengcedingshujubuwending,yibanshiwenyaoqiuweichizai20~25攝氏度間的一個固定溫度,溫度變化應小 於±1攝she氏shi度du。而er環huan境jing濕shi度du過guo大da,光guang學xue元yuan件jian,特te別bie是shi光guang柵zha容rong易yi受shou潮chao損sun壞huai或huo性xing能neng降jiang低di。電dian子zi係xi統tong,尤you其qi是shi印yin刷shua電dian路lu板ban及ji高gao壓ya電dian源yuan上shang的de元yuan件jian容rong易yi受shou潮chao燒shao壞huai。濕shi度du對dui高gao頻pin發fa 生(sheng)器(qi)的(de)影(ying)響(xiang)也(ye)十(shi)分(fen)重(zhong)要(yao),濕(shi)度(du)過(guo)大(da),輕(qing)則(ze)等(deng)離(li)子(zi)體(ti)不(bu)容(rong)易(yi)點(dian)燃(ran),重(zhong)則(ze)高(gao)壓(ya)電(dian)源(yuan)及(ji)高(gao)壓(ya)電(dian)路(lu)放(fang)電(dian)擊(ji)毀(hui)元(yuan)件(jian),如(ru)功(gong)率(lv)管(guan)隔(ge)直(zhi)陶(tao)瓷(ci)電(dian)容(rong)擊(ji)穿(chuan),輸(shu)出(chu)電(dian)路(lu)阻(zu)抗(kang)匹(pi)配(pei)、網絡中的 可變電容放電等,以至損壞高頻發生器。一般室內濕度應小於百分之70,最好控製在百分之45~60之間,應有空氣淨化裝置。過去由於基建施工,我們的環境 條tiao件jian很hen差cha,甚shen至zhi儀yi器qi室shi多duo次ci被bei水shui淹yan,受shou潮chao及ji室shi溫wen變bian化hua過guo大da,儀yi器qi不bu是shi定ding位wei困kun難nan就jiu是shi經jing常chang發fa生sheng故gu障zhang。搬ban到dao新xin的de儀yi器qi室shi後hou條tiao件jian改gai善shan了le,儀yi器qi運yun行xing就jiu正zheng常chang多duo了le。
2、儀器的供電線路要符合儀器的要求
為 了保證ICP儀(yi)的(de)安(an)全(quan)運(yun)行(xing),供(gong)電(dian)線(xian)路(lu)必(bi)須(xu)要(yao)有(you)足(zu)夠(gou)大(da)的(de)容(rong)量(liang),否(fou)則(ze)儀(yi)器(qi)運(yun)行(xing)時(shi)線(xian)路(lu)的(de)電(dian)壓(ya)降(jiang)過(guo)大(da),影(ying)響(xiang)儀(yi)器(qi)壽(shou)命(ming)。作(zuo)為(wei)一(yi)台(tai)精(jing)密(mi)測(ce)量(liang)儀(yi)器(qi),它(ta)還(hai)需(xu)要(yao)有(you)相(xiang)對(dui)穩(wen)定(ding)的(de) 電源,供電電壓的變化一般不超過+百分之5,如超過這個範圍,需要使用自動調壓器或磁飽和穩壓器,不能使用電子穩壓器,由於電子穩壓器在電壓高時產生削 波,造成電脈衝,影響電子計算機、微處理器及相敏放大器的工作,引起誤動作。連續正弦波電源才能保證這些電子電路的正常工作,儀器供電線路最好單獨從供電 變(bian)壓(ya)器(qi)的(de)配(pei)電(dian)盤(pan)上(shang)得(de)到(dao),盡(jin)量(liang)不(bu)與(yu)大(da)電(dian)機(ji),大(da)的(de)通(tong)風(feng)機(ji),空(kong)調(tiao)機(ji),馬(ma)弗(fu)爐(lu)等(deng)大(da)的(de)用(yong)電(dian)設(she)備(bei)共(gong)用(yong)一(yi)條(tiao)供(gong)電(dian)線(xian)路(lu),以(yi)免(mian)在(zai)這(zhe)些(xie)用(yong)電(dian)設(she)備(bei)起(qi)動(dong)時(shi),供(gong)電(dian)線(xian)路(lu)的(de)電(dian)壓(ya)大(da)幅(fu)度(du)的(de)波(bo)動(dong),造(zao)成(cheng)儀(yi)器(qi)工(gong)作(zuo)不(bu)穩(wen)定(ding)。允(yun)許(xu)電(dian)流(liu)大(da)於(yu)30安培的儀器要單獨接地。一般光譜儀地線電阻要小於5歐姆,計算機地線電阻要小於0.25歐姆(ASTM)標準,以防相互幹擾。
在 yiqideshiyongzhong,yingjingchangzhuyidianyuandebianhua,bunengchangqizaiguoyahuoqianyaxiagongzuo,genjuziliaojieshao,dangyiqizaiguoyaxiagongzuohuizaochenggaopofashengqigonglvdaguandengsiguodudezhengfahelaohua,dian 子管的壽命將會大大的縮短(是正常壽命的五分之~一六分之一)。如果在欠壓下工作,電子管燈絲溫度過低,電子發射不好,也容易造成電子發射材料過早老化,同樣也縮短電子管的壽命;儀(yi)器(qi)運(yun)行(xing)中(zhong)供(gong)電(dian)電(dian)壓(ya)的(de)較(jiao)大(da)波(bo)動(dong)同(tong)樣(yang)也(ye)會(hui)造(zao)成(cheng)高(gao)頻(pin)發(fa)生(sheng)器(qi)輸(shu)出(chu)功(gong)率(lv)的(de)不(bu)穩(wen)定(ding),對(dui)測(ce)定(ding)結(jie)果(guo)的(de)好(hao)壞(huai)影(ying)響(xiang)極(ji)大(da),因(yin)此(ci),應(ying)當(dang)注(zhu)意(yi)供(gong)電(dian)電(dian)源(yuan)的(de)質(zhi)量(liang)。
3、防塵
國內一般實驗室都不具備防塵、過濾塵埃的設施,當實驗室內需要采用排風機,排除儀器的熱量及工作時產生的有毒氣體時,實驗 室shi與yu外wai部bu就jiu形xing成cheng壓ya力li差cha,實shi驗yan室shi產chan生sheng負fu壓ya,室shi外wai含han有you大da量liang灰hui塵chen的de空kong氣qi從cong門men窗chuang的de縫feng隙xi中zhong流liu入ru室shi內nei,大da量liang積ji聚ju在zai儀yi器qi的de各ge個ge部bu位wei上shang,容rong易yi造zao成cheng高gao壓ya元yuan件jian或huo接jie頭tou打da火huo,電dian路lu 板及接線、插座等短路、漏電等各種各樣的故障,因此,需要經常進行除塵。特別是計算機、電子控製電路、高頻發生器、顯示器、打印機、磁盤驅動器等,定期拆 卸或打開,用小毛刷清掃,並同時使用吸塵器將各個部分的積塵吸除。對光電倍增管負高壓電源線、及計算機顯示器的高壓線及接頭,還要用紗布沾上少許無水酒精 xiaoxindemochujitanhehuichen。cipanqudongqijidayinjiqingchuhuichenzhihou,yaozaijixiehuodongbujiandijiashaoxuyibiaoyou。dayinjidedayintouhaiyaochaixia,yongruanmaoshuashuasao,bingyongrongbumojing,fangzhizhenkongbeizhixiedusai,ranhouanzhaoshuomingshutiaozhengyidingdedayinyali。duiyuyiqichuchen,yibanyoudianzi,yixiuhuojisuanjidezhuanyerenyuanbangzhu,yiqishiyonghuoguanlirenyuanrubudongdianzizhishi,bulejieyiqijiegou,buyaoqingyiqudong,yimianfashengyiwai,chuchenyingshixiantingjibingguandiaogongdiandianyuanxiajinxing。
4、對氣體控製係統的維護保養
ICP的氣體控製係統是否穩定 正常地運行,直接影響到儀器測定數據的好壞,如果氣路中有水珠、機械雜物雜屑等都會造成氣流不穩定,因此,對氣體控製係統要經常進行檢查和維護。首先要做 氣(qi)體(ti)試(shi)驗(yan),打(da)開(kai)氣(qi)體(ti)控(kong)製(zhi)係(xi)統(tong)的(de)電(dian)源(yuan)開(kai)關(guan),使(shi)電(dian)磁(ci)閥(fa)處(chu)於(yu)工(gong)作(zuo)狀(zhuang)態(tai),然(ran)後(hou)開(kai)啟(qi)氣(qi)瓶(ping)及(ji)減(jian)壓(ya)閥(fa),使(shi)氣(qi)體(ti)壓(ya)力(li)指(zhi)示(shi)在(zai)額(e)定(ding)值(zhi)上(shang),然(ran)後(hou)關(guan)閉(bi)氣(qi)瓶(ping),觀(guan)察(cha)減(jian)壓(ya)閥(fa)上(shang)的(de)壓(ya)力(li)表(biao)指(zhi) zhen,yingzaijigexiaoshineimeiyouxiajianghuoxiajianghenshao,fouzeqiluzhongyoulouqixianxiang,xuyaojianzhahepaichu。dier,youyuyaqizhongchangjiazayoushuifenheqitazazhi,guandaohejietouzhongyehuiyouyixiejixiesui 屑xie脫tuo落luo,造zao成cheng氣qi路lu不bu暢chang通tong。因yin此ci,需xu要yao定ding期qi進jin行xing清qing理li,拔ba下xia某mou些xie區qu段duan管guan道dao,然ran後hou打da開kai氣qi瓶ping,短duan促cu地di放fang一yi段duan時shi間jian的de氣qi體ti,將jiang管guan道dao中zhong的de水shui珠zhu,塵chen粒li等deng吹chui出chu。在zai安an裝zhuang氣qi體ti管guan 道,特別是將載氣管路接在霧化器上時,要注意不要讓管子彎曲太厲害,否則載氣流量不穩而造成脈動,影響測定。
5、對進樣係統及炬管的維護
wuhuaqishijinyangxitongzhongzuijingmi,zuiguanjiandebufen,xuyaohenhaodeweihuheshiyong。yaodingqideqingli,tebieshicedinggaoyanrongyezhihou,wuhuaqidedingbu,juguanpenzuihuijiyouyanfen,zaochengqirongjiaotongdaobuchang,changchangfanyingchulaideshicedingqiangduxiajiang,yiqifanshegonglvshenggaodeng。juguanshangjichenhuojitandouhuiyingxiangdianrandenglizitiyanjuhebaochiwending,yeyingxiangfanshegonglv,yinci,yaodingqiyongsuanxi,shuixi,zuihou,yongwushuiyichunxibingchuigan,jingchangbaochijinyangxitongjijuguandeqingjie。
6、使用中盡量減少開停機的次數
開 機(ji)測(ce)定(ding)前(qian),必(bi)須(xu)做(zuo)好(hao)安(an)排(pai),事(shi)先(xian)標(biao)好(hao)各(ge)項(xiang)準(zhun)備(bei)工(gong)作(zuo),切(qie)忌(ji)在(zai)同(tong)一(yi)段(duan)時(shi)間(jian)裏(li)開(kai)開(kai)停(ting)停(ting),儀(yi)器(qi)頻(pin)繁(fan)開(kai)啟(qi)容(rong)易(yi)造(zao)成(cheng)損(sun)壞(huai),這(zhe)是(shi)因(yin)為(wei)儀(yi)器(qi)在(zai)每(mei)次(ci)開(kai)啟(qi)的(de)時(shi)候(hou),瞬(shun)時(shi)電(dian)流(liu)大(da)大(da)高(gao) 於(yu)運(yun)行(xing)正(zheng)常(chang)時(shi)的(de)電(dian)流(liu),瞬(shun)時(shi)的(de)脈(mai)衝(chong)衝(chong)擊(ji),容(rong)易(yi)造(zao)成(cheng)功(gong)率(lv)管(guan)燈(deng)絲(si)斷(duan)絲(si),碰(peng)極(ji)短(duan)路(lu)及(ji)過(guo)早(zao)老(lao)化(hua)等(deng),因(yin)此(ci)使(shi)用(yong)中(zhong)需(xu)要(yao)倍(bei)加(jia)注(zhu)意(yi),一(yi)旦(dan)開(kai)機(ji)就(jiu)一(yi)氣(qi)嗬(he)成(cheng),把(ba)要(yao)做(zuo)的(de)事(shi)做(zuo)完(wan),不(bu)要(yao)中(zhong)途(tu)關(guan)停(ting)機(ji)。
手機版






