熒光式光纖傳(chuan)感探頭(tou)介紹
光(guang)(guang)纖探頭(tou)(tou)由ST接頭(tou)(tou)、光(guang)(guang)纖光(guang)(guang)纜、末端(duan)感溫(wen)端(duan)三部(bu)(bu)(bu)分組成。ST接頭(tou)(tou)是與光(guang)(guang)電(dian)(dian)模塊的(de)連(lian)接部(bu)(bu)(bu)分;光(guang)(guang)纖光(guang)(guang)纜為(wei)(wei)(wei)(wei)傳光(guang)(guang)部(bu)(bu)(bu)分,內部(bu)(bu)(bu)為(wei)(wei)(wei)(wei)石(shi)英(ying)(ying)光(guang)(guang)纖,石(shi)英(ying)(ying)光(guang)(guang)纖外部(bu)(bu)(bu)有涂(tu)覆層和包層,最外部(bu)(bu)(bu)為(wei)(wei)(wei)(wei)特(te)氟龍保護套;末端(duan)感溫(wen)端(duan)含有感溫(wen)稀土材料,用于產生含有溫(wen)度(du)信息的(de)光(guang)(guang)信號(hao);光(guang)(guang)纖整(zheng)體耐(nai)200℃高溫(wen),外表直(zhi)徑為(wei)(wei)(wei)(wei)3mm。長期彎(wan)曲(qu)半(ban)徑13.2cm。短期彎(wan)曲(qu)半(ban)徑4.4cm。光(guang)(guang)纖引(yin)出線對地距離為(wei)(wei)(wei)(wei)0.4m的(de)情況下,耐(nai)受(shou)工頻電(dian)(dian)壓100KV,持續(xu)時間5min。
熒(ying)光光纖測(ce)溫(wen)探頭(tou)(tou)具有電絕緣性好、抗電磁干擾、抗化學腐(fu)蝕、無(wu)污染等(deng)許(xu)多其(qi)它測(ce)溫(wen)傳感探頭(tou)(tou)所無(wu)法比擬(ni)的優點,使(shi)得熒(ying)光傳感探頭(tou)(tou)不但在生(sheng)物、醫學等(deng)諸多領(ling)域(yu)應用(yong),在電力工業也有著廣泛的應用(yong)前景,它主要用(yong)于:電氣設備高(gao)(gao)壓儀器(qi)溫(wen)度(du)測(ce)量,發電機診(zhen)斷(duan)系統(tong)及變壓器(qi)繞(rao)組間的溫(wen)度(du)測(ce)量,高(gao)(gao)壓斷(duan)路器(qi)觸頭(tou)(tou)溫(wen)度(du)測(ce)量,高(gao)(gao)壓電纜接頭(tou)(tou)溫(wen)度(du)測(ce)量等(deng)。