產品介紹

簡介：

光纖探針爆速測量儀是基于石英光纖探針是利用熔石英在受到沖擊時會產生光輻射的特性工作的，當沖擊波或飛片撞擊石英光纖端面時石英光纖會產生一個強烈的光脈沖信號，通過檢測該光脈沖的出現時刻就可以知道沖擊波或飛片到達光纖探針的時刻。光纖探針測量系統分為有源光纖探針和無源光纖探針兩種，根據不同的使用環境選配。

技術指標：

通(tong)(tong)道數：20通(tong)(tong)道（根(gen)據用戶要求可選定）

響應時間(jian)：＜5ns

同步性：＜10ns

相對測試精(jing)度：≤1％；

信號傳(chuan)輸距離(li)：≥20m；

特(te)點(dian)及(ji)用途：

光纖探針爆速測量儀具有受電磁干擾，響應快（可達亞納秒），抗電磁干擾，可對非金屬材料進行直接測量等優點。它可用于爆速測量，測量飛片速度、飛片平整性、樣品中沖擊波速度和材料高壓聲速以及測量火工品爆速和爆轟波陣面等，利于水下爆速測量。

背景技術：

爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)，是(shi)(shi)指火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)在(zai)過程(cheng)中(zhong)所產生(sheng)的(de)(de)(de)爆(bao)(bao)(bao)(bao)(bao)(bao)轟波在(zai)火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)藥(yao)柱中(zhong)的(de)(de)(de)傳播速(su)(su)度。爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)是(shi)(shi)工(gong)(gong)(gong)(gong)業火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)的(de)(de)(de)一(yi)(yi)項重要質(zhi)量(liang)指標。通常的(de)(de)(de)工(gong)(gong)(gong)(gong)業火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)一(yi)(yi)般在(zai)2500-6500m/s之間。在(zai)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)時(shi)，應當根據爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)的(de)(de)(de)不同(tong)，選(xuan)擇(ze)不同(tong)的(de)(de)(de)火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)品(pin)(pin)(pin)種(zhong)，以適應不同(tong)的(de)(de)(de)巖性條件，從而(er)(er)對工(gong)(gong)(gong)(gong)程(cheng)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)起到(dao)指導意義(yi)。正(zheng)是(shi)(shi)由于爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)這(zhe)一(yi)(yi)指標的(de)(de)(de)重要意義(yi)，需要一(yi)(yi)種(zhong)爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)儀，用以精確(que)(que)的(de)(de)(de)測(ce)量(liang)火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)的(de)(de)(de)爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)。現有(you)的(de)(de)(de)爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)儀測(ce)量(liang)爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)時(shi)，通常是(shi)(shi)在(zai)成(cheng)品(pin)(pin)(pin)火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)卷(juan)上沿(yan)軸向選(xuan)擇(ze)兩個(ge)距離(li)一(yi)(yi)定(ding)(ding)的(de)(de)(de)點(dian)(dian)，在(zai)兩個(ge)取(qu)樣(yang)點(dian)(dian)分別穿入探(tan)針(zhen)，記錄引爆(bao)(bao)(bao)(bao)(bao)(bao)火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)通過兩個(ge)取(qu)樣(yang)點(dian)(dian)的(de)(de)(de)時(shi)間，根據公式(shi)V＝S/T(其中(zhong)V為速(su)(su)率，S為距離(li)，T為時(shi)間)，即可得(de)到(dao)該(gai)火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)卷(juan)的(de)(de)(de)火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)值，現有(you)技術中(zhong)兩根探(tan)針(zhen)的(de)(de)(de)平(ping)行程(cheng)度不穩定(ding)(ding)，火(huo)(huo)工(gong)(gong)(gong)(gong)品(pin)(pin)(pin)爆(bao)(bao)(bao)(bao)(bao)(bao)速(su)(su)探(tan)針(zhen)安(an)裝(zhuang)中(zhong)一(yi)(yi)般只是(shi)(shi)用眼睛(jing)觀察來(lai)確(que)(que)定(ding)(ding)兩根探(tan)針(zhen)的(de)(de)(de)平(ping)行，往往受(shou)制作人經驗(yan)的(de)(de)(de)限制比(bi)較大(da)，而(er)(er)且兩個(ge)取(qu)樣(yang)點(dian)(dian)太少(shao)，測(ce)得(de)的(de)(de)(de)數據誤差(cha)較大(da)。