防(fang)(fang)爆(bao)加(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)是(shi)一種消(xiao)耗電(dian)能轉換為熱(re)(re)(re)能，來對需加(jia)(jia)熱(re)(re)(re)物料(liao)進(jin)行加(jia)(jia)熱(re)(re)(re)。防(fang)(fang)爆(bao)加(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)是(shi)由(you)外(wai)到(dao)里外(wai)殼(ke)（不(bu)繡鋼/碳(tan)(tan)鋼/銅(tong)/鈦(tai)材等、發(fa)熱(re)(re)(re)絲（鎳鉻鉛合金）、填充(chong)物（氧化(hua)鎂(mei)，作(zuo)用(yong)是(shi)導熱(re)(re)(re)、絕(jue)緣）、外(wai)殼(ke)（不(bu)繡鋼、碳(tan)(tan)鋼、鈦(tai)材、銅(tong)  等）、陶(tao)瓷封頭（作(zuo)用(yong)：絕(jue)緣）、防(fang)(fang)爆(bao)盒組成的(de)(de)。加(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)在工(gong)(gong)作(zuo)中(zhong)低溫(wen)流(liu)(liu)體介(jie)(jie)質通過管(guan)(guan)(guan)道在壓力作(zuo)用(yong)下進(jin)入(ru)其輸入(ru)口，沿著電(dian)加(jia)(jia)熱(re)(re)(re)容(rong)器內部特定(ding)換熱(re)(re)(re)流(liu)(liu)道，運用(yong)空(kong)(kong)氣電(dian)熱(re)(re)(re)管(guan)(guan)(guan)的(de)(de)流(liu)(liu)體熱(re)(re)(re)力學原理設計的(de)(de)路徑，帶走空(kong)(kong)氣加(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)中(zhong)的(de)(de)電(dian)熱(re)(re)(re)元件工(gong)(gong)作(zuo)中(zhong)所產(chan)生的(de)(de)高(gao)(gao)溫(wen)熱(re)(re)(re)能量，使空(kong)(kong)氣加(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)被加(jia)(jia)熱(re)(re)(re)介(jie)(jie)質溫(wen)度升高(gao)(gao)，加(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)出口得(de)到(dao)工(gong)(gong)藝要求的(de)(de)高(gao)(gao)溫(wen)介(jie)(jie)質。

產品(pin)特點(dian)

1.升溫(wen)(wen)時間在試(shi)驗電壓下，元件從環境溫(wen)(wen)度(du)升至試(shi)驗溫(wen)(wen)度(du)時間應不(bu)大于(yu)15min

2.額(e)(e)定(ding)功率(lv)(lv)偏差在充分發熱的(de)(de)(de)條件(jian)下，元件(jian)的(de)(de)(de)額(e)(e)定(ding)功率(lv)(lv)的(de)(de)(de)偏差應不超過下列規定(ding)的(de)(de)(de)范圍;對額(e)(e)定(ding)功率(lv)(lv)小于等于100W的(de)(de)(de)元件(jian)為:士10%。對額(e)(e)定(ding)功率(lv)(lv)大于100W的(de)(de)(de)元件(jian)為+5%~- 10%或10W,取(qu)兩者中(zhong)的(de)(de)(de)較(jiao)大值。

3.泄露(lu)電(dian)(dian)(dian)流(liu)(liu)冷態泄露(lu)電(dian)(dian)(dian)流(liu)(liu)以及水(shui)壓和密(mi)封(feng)試(shi)驗(yan)后泄露(lu)電(dian)(dian)(dian)流(liu)(liu)應(ying)不(bu)超過0.5mA工作(zuo)溫度下的熱態泄露(lu)電(dian)(dian)(dian)流(liu)(liu)應(ying)不(bu)超過公(gong)式中的計算值，但不(bu)超過5mA I=1/6 (tTX0.00001) I一(yi) 熱態泄露(lu)電(dian)(dian)(dian)流(liu)(liu)mA t-發熱長度mm T-工作(zuo)溫度C多個元(yuan)件串聯到電(dian)(dian)(dian)源中時，應(ying)以這一(yi)組元(yuan)件為 整體進(jin)行(xing)泄露(lu)電(dian)(dian)(dian)流(liu)(liu)試(shi)驗(yan)。

4. 絕(jue)緣(yuan)電阻出(chu)廠檢(jian)驗(yan)時(shi)冷態(tai)絕(jue)緣(yuan)電阻應不小(xiao)于50MQ密封試(shi)驗(yan)后，長期存放或者(zhe)使用(yong)后的(de)絕(jue)緣(yuan)電阻應不消與MQ工(gong)作溫(wen)度下(xia)的(de)熱態(tai)絕(jue)緣(yuan)電阻應不低于公(gong)式(shi)中的(de)計算值，但(dan)應不小(xiao)于1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)絕(jue)緣(yuan)電阻MQ t一-發(fa) 熱長度mmT一工(gong)作溫(wen)度°C

5.絕緣耐壓強度元(yuan)件應在規定的試(shi)驗條(tiao)件和(he)試(shi)驗電壓下保持1min,而無閃絡和(he)擊(ji)穿(chuan)現象

6.經受(shou)通斷電(dian)(dian)的能(neng)力元件(jian)應能(neng)在規(gui)定(ding)的試(shi)驗(yan)條件(jian)下經歷2000次(ci)通斷電(dian)(dian)試(shi)驗(yan)，而不發生(sheng)損壞