一般來說，下邊緣故會導致溫度轉變，從而對測試造成危害測試產品本身帶有溫度普遍狀況：機械加工出去的工件歷經簡易清理立即進到測試工裝夾具，工件自身還帶有較高的溫度。冬季放到戶外的工件立即取得房間內后就開展測試。危害：帶有較高溫度的工件在開展測試時候對充進的汽體不斷長時間的加溫，在測試環節產品內部的氣體壓力會居高不下，測試結果出現負值。立即由超低溫自然環境取得高溫自然環境測試的產品，因為溫度的區別，和測試時間的不一樣將會會出現泄露質量互變規律大，也將會會出現測試負值的不一樣狀況。

選(xuan)擇氣密性(xing)檢測設備的幾點依據:

1、進(jin)口的氣密性檢測(ce)(ce)(ce)設備(bei)與國(guo)(guo)產(chan)的相(xiang)比(bi)，質量不錯，但是價格高(gao)，排(pai)氣管氣密測(ce)(ce)(ce)試(shi)，是國(guo)(guo)產(chan)的好幾倍。國(guo)(guo)產(chan)氣密性檢測(ce)(ce)(ce)設備(bei)魚龍(long)混雜，冷卻(que)回路氣密測(ce)(ce)(ce)試(shi)，高(gao)l端(duan)的國(guo)(guo)產(chan)業與進(jin)口相(xiang)當，具體的要根(gen)據(ju)檢測(ce)(ce)(ce)產(chan)品、檢測(ce)(ce)(ce)要求及公司預算選(xuan)擇(ze)。

2、分辨(bian)率(lv)高低(di)。簡單(dan)的說就是檢(jian)測數值的精(jing)l確位數，如1Pa或0.1pa。分辨(bian)率(lv)的單(dan)位有很多，如Pa、ml/min等(deng)。根據自己產品測試要求選(xuan)擇。

3、壓(ya)力測(ce)試(shi)。根(gen)據待(dai)檢工件的檢測(ce)要求，先確定測(ce)試(shi)壓(ya)力，比(bi)如(ru)是真空檢測(ce)還(huan)是正壓(ya)，正壓(ya)是微壓(ya)、中壓(ya)或是高壓(ya)。選擇滿足檢測(ce)壓(ya)力范圍的氣密性(xing)

 氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)密(mi)性(xing)(xing)(xing)(xing)(xing)檢(jian)測(ce)(ce)在新(xin)能(neng)(neng)(neng)源電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)測(ce)(ce)漏(lou)(lou)制造行業(ye)的(de)(de)(de)(de)必要性(xing)(xing)(xing)(xing)(xing)純電(dian)(dian)(dian)動(dong)車(che)(che)關(guan)鍵構件由電(dian)(dian)(dian)機(ji)、充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)、電(dian)(dian)(dian)機(ji)控制三絕大多數(shu)(shu)構成(cheng)(cheng)。電(dian)(dian)(dian)動(dong)車(che)(che)的(de)(de)(de)(de)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)、電(dian)(dian)(dian)機(ji)等高線(xian)工(gong)(gong)(gong)作電(dian)(dian)(dian)壓(ya)(ya)工(gong)(gong)(gong)作中(zhong)(zhong)一(yi)部分一(yi)旦遭(zao)受水浸，將(jiang)會(hui)會(hui)產(chan)(chan)生(sheng)走電(dian)(dian)(dian)短路故障難題，因而純電(dian)(dian)(dian)動(dong)車(che)(che)的(de)(de)(de)(de)安(an)全(quan)防(fang)護級需超(chao)過IP67防(fang)水級別(IP后的(de)(de)(de)(de)第(di)(di)l一(yi)個(ge)大數(shu)(shu)字為防(fang)污(wu)級別，第(di)(di)二個(ge)大數(shu)(shu)字為防(fang)水級別)。新(xin)能(neng)(neng)(neng)源車(che)(che)選用(yong)的(de)(de)(de)(de)氫動(dong)力和(he)(he)動(dong)力鋰電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)來驅動(dong)器，所涉及(ji)的(de)(de)(de)(de)零部件的(de)(de)(de)(de)安(an)全(quan)系(xi)數(shu)(shu)規定(ding)(ding)更高，非常是(shi)新(xin)能(neng)(neng)(neng)源電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)包(bao)。新(xin)能(neng)(neng)(neng)源電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)包(bao)的(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)密(mi)性(xing)(xing)(xing)(xing)(xing)檢(jian)測(ce)(ce)儀檢(jian)測(ce)(ce)關(guan)鍵分成(cheng)(cheng)上殼體(ti)(ti)(ti)(ti)、下殼體(ti)(ti)(ti)(ti)、焊(han)裝件的(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)密(mi)性(xing)(xing)(xing)(xing)(xing)測(ce)(ce)試(shi)(shi)；針對(dui)左右殼體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)密(mi)性(xing)(xing)(xing)(xing)(xing)測(ce)(ce)試(shi)(shi)，務必考慮焊(han)裝后密(mi)封性(xing)(xing)(xing)(xing)(xing)的(de)(de)(de)(de)泄露規定(ding)(ding)，換句話說(shuo)上殼體(ti)(ti)(ti)(ti)與(yu)下殼體(ti)(ti)(ti)(ti)單獨的(de)(de)(de)(de)泄漏(lou)(lou)率總數(shu)(shu)不(bu)(bu)能(neng)(neng)(neng)超(chao)過總體(ti)(ti)(ti)(ti)充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)包(bao)制成(cheng)(cheng)品(pin)的(de)(de)(de)(de)泄漏(lou)(lou)規定(ding)(ding)；因為新(xin)能(neng)(neng)(neng)源電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)包(bao)的(de)(de)(de)(de)自身特點，充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)包(bao)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)密(mi)性(xing)(xing)(xing)(xing)(xing)測(ce)(ce)試(shi)(shi)的(de)(de)(de)(de)打(da)(da)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)工(gong)(gong)(gong)作壓(ya)(ya)力不(bu)(bu)可以過大。公司基本原理是(shi)工(gong)(gong)(gong)作壓(ya)(ya)力衰減系(xi)數(shu)(shu)法，含意就(jiu)是(shi)對(dui)一(yi)個(ge)產(chan)(chan)品(pin)開(kai)(kai)展(zhan)l氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)充(chong)壓(ya)(ya)，看氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)工(gong)(gong)(gong)作壓(ya)(ya)力轉變(bian)。這(zhe)兒就(jiu)分成(cheng)(cheng)二種狀況，一(yi)是(shi)產(chan)(chan)品(pin)本身含有打(da)(da)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)的(de)(de)(de)(de)，人(ren)們就(jiu)立(li)即對(dui)產(chan)(chan)品(pin)開(kai)(kai)展(zhan)打(da)(da)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)充(chong)壓(ya)(ya)，隨(sui)后斷開(kai)(kai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)動(dong)閥門，觀查氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)工(gong)(gong)(gong)作壓(ya)(ya)力的(de)(de)(de)(de)轉變(bian)，假如工(gong)(gong)(gong)作壓(ya)(ya)力降低，則(ze)表明這(zhe)一(yi)產(chan)(chan)品(pin)漏(lou)(lou)汽，油箱(xiang)蓋(gai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)密(mi)測(ce)(ce)試(shi)(shi)，不(bu)(bu)降低就(jiu)是(shi)說(shuo)好的(de)(de)(de)(de)。第(di)(di)二種是(shi)產(chan)(chan)品(pin)不(bu)(bu)帶打(da)(da)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)的(de)(de)(de)(de)，連云港(gang)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)密(mi)測(ce)(ce)試(shi)(shi)，人(ren)們就(jiu)必須做一(yi)個(ge)和(he)(he)產(chan)(chan)品(pin)樣子規格型號一(yi)樣尺寸的(de)(de)(de)(de)密(mi)封性(xing)(xing)(xing)(xing)(xing)腔，也就(jiu)是(shi)說(shuo)一(yi)個(ge)模(mo)具，盡可能(neng)(neng)(neng)保證迎(ying)合產(chan)(chan)品(pin)，由于(yu)那樣做出去的(de)(de)(de)(de)檢(jian)驗(yan)結果更為精l確，隨(sui)后開(kai)(kai)展(zhan)l氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)充(chong)壓(ya)(ya)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)就(jiu)會(hui)充(chong)到(dao)(dao)(dao)產(chan)(chan)品(pin)和(he)(he)模(mo)具中(zhong)(zhong)間的(de)(de)(de)(de)室內空間，隨(sui)后都是(shi)斷開(kai)(kai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)動(dong)閥門，檢(jian)驗(yan)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)工(gong)(gong)(gong)作壓(ya)(ya)力是(shi)不(bu)(bu)是(shi)有降低，假如有就(jiu)是(shi)說(shuo)漏(lou)(lou)汽，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)就(jiu)滲到(dao)(dao)(dao)產(chan)(chan)品(pin)里邊來到(dao)(dao)(dao)，沒有降低就(jiu)是(shi)說(shuo)好的(de)(de)(de)(de)。

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