防(fang)爆(bao)(bao)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)是(shi)一種消(xiao)耗電(dian)(dian)能(neng)(neng)轉(zhuan)換為熱(re)(re)(re)(re)(re)(re)能(neng)(neng)，來對需加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)物(wu)料進行加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)。防(fang)爆(bao)(bao)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)是(shi)由外到里外殼（不繡(xiu)鋼(gang)/碳(tan)鋼(gang)/銅/鈦(tai)材(cai)等、發(fa)熱(re)(re)(re)(re)(re)(re)絲(si)（鎳鉻(ge)鉛合金）、填充物(wu)（氧化鎂，作用(yong)是(shi)導熱(re)(re)(re)(re)(re)(re)、絕緣）、外殼（不繡(xiu)鋼(gang)、碳(tan)鋼(gang)、鈦(tai)材(cai)、銅  等）、陶瓷封頭(tou)（作用(yong)：絕緣）、防(fang)爆(bao)(bao)盒組(zu)成的(de)(de)(de)。加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)在(zai)工(gong)作中(zhong)低溫流體介質通過(guo)管(guan)(guan)(guan)(guan)(guan)(guan)道在(zai)壓力(li)作用(yong)下(xia)進入其輸入口，沿著電(dian)(dian)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)容(rong)器(qi)內部特定換熱(re)(re)(re)(re)(re)(re)流道，運(yun)用(yong)空氣(qi)電(dian)(dian)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)流體熱(re)(re)(re)(re)(re)(re)力(li)學原理設計的(de)(de)(de)路徑(jing)，帶走空氣(qi)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)中(zhong)的(de)(de)(de)電(dian)(dian)熱(re)(re)(re)(re)(re)(re)元件工(gong)作中(zhong)所產生(sheng)的(de)(de)(de)高(gao)(gao)溫熱(re)(re)(re)(re)(re)(re)能(neng)(neng)量，使空氣(qi)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)被加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)介質溫度(du)升高(gao)(gao)，加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)出口得(de)到工(gong)藝要求的(de)(de)(de)高(gao)(gao)溫介質。

產(chan)品特(te)點

1.升溫(wen)時(shi)(shi)間在試(shi)驗(yan)電(dian)壓下，元件從環境溫(wen)度(du)升至試(shi)驗(yan)溫(wen)度(du)時(shi)(shi)間應不(bu)大于15min

2.額定(ding)功(gong)(gong)率(lv)偏差在(zai)充分(fen)發熱的條件(jian)下，元(yuan)(yuan)件(jian)的額定(ding)功(gong)(gong)率(lv)的偏差應不(bu)超過下列規定(ding)的范圍;對額定(ding)功(gong)(gong)率(lv)小于等于100W的元(yuan)(yuan)件(jian)為(wei):士10%。對額定(ding)功(gong)(gong)率(lv)大于100W的元(yuan)(yuan)件(jian)為(wei)+5%~- 10%或10W,取兩者中的較大值。

3.泄(xie)露(lu)電(dian)流冷態(tai)泄(xie)露(lu)電(dian)流以(yi)及水壓和密封試(shi)驗(yan)(yan)后泄(xie)露(lu)電(dian)流應不(bu)超過(guo)(guo)(guo)0.5mA工作(zuo)溫度(du)(du)下(xia)的熱(re)態(tai)泄(xie)露(lu)電(dian)流應不(bu)超過(guo)(guo)(guo)公式中(zhong)的計算值，但不(bu)超過(guo)(guo)(guo)5mA I=1/6 (tTX0.00001) I一 熱(re)態(tai)泄(xie)露(lu)電(dian)流mA t-發熱(re)長(chang)度(du)(du)mm T-工作(zuo)溫度(du)(du)C多個元(yuan)件(jian)串聯到電(dian)源中(zhong)時，應以(yi)這一組(zu)元(yuan)件(jian)為(wei) 整體進行泄(xie)露(lu)電(dian)流試(shi)驗(yan)(yan)。

4. 絕(jue)(jue)緣電阻(zu)出廠檢驗時冷態絕(jue)(jue)緣電阻(zu)應(ying)(ying)不(bu)小于(yu)(yu)50MQ密封試驗后(hou)，長期存放(fang)或者(zhe)使用后(hou)的(de)絕(jue)(jue)緣電阻(zu)應(ying)(ying)不(bu)消與MQ工作溫度下(xia)的(de)熱態絕(jue)(jue)緣電阻(zu)應(ying)(ying)不(bu)低于(yu)(yu)公式中的(de)計(ji)算值(zhi)，但應(ying)(ying)不(bu)小于(yu)(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態絕(jue)(jue)緣電阻(zu)MQ t一-發 熱長度mmT一工作溫度°C

5.絕緣耐壓強度元件應在規定的試(shi)驗條件和試(shi)驗電壓下保持1min,而無閃絡和擊穿現象

6.經受通斷電的能(neng)力元件應能(neng)在規定(ding)的試驗(yan)條(tiao)件下經歷2000次(ci)通斷電試驗(yan)，而不發生損(sun)壞