本實用(yong)新型(xing)涉(she)及一種激光拉(la)曼光譜液體流動池(chi)傳感器，屬(shu)于拉(la)曼散射光譜分析技術領(ling)域(yu)。

背景技術：

目前，現有(you)的拉曼(man)光(guang)譜檢測池是一次(ci)性反光(guang)聚光(guang)結構，由于信號(hao)和噪(zao)聲混雜，聚焦能力(li)差(cha)，噪(zao)聲干擾信號(hao)，檢測靈敏度(du)低(di)，因此(ci)不易(yi)檢出微弱的拉曼(man)光(guang)譜。

技術實現要素：

為(wei)了(le)克服上述(shu)不(bu)足，本實(shi)用新型提供一(yi)種激(ji)光(guang)(guang)拉曼光(guang)(guang)譜液(ye)體流動池(chi)傳感(gan)器(qi)，該激(ji)光(guang)(guang)拉曼光(guang)(guang)譜液(ye)體流動池(chi)傳感(gan)器(qi)具(ju)有環(huan)狀光(guang)(guang)纖入(ru)射的多次反射，被測物得(de)到充分的激(ji)光(guang)(guang)激(ji)發而(er)產(chan)生(sheng)高倍數的拉曼光(guang)(guang)譜。

本(ben)實用新(xin)型(xing)的(de)技術(shu)方案是：池(chi)(chi)管(guan)(guan)(guan)(guan)底架(jia)上端(duan)(duan)(duan)一(yi)側安(an)(an)(an)有(you)(you)激光(guang)(guang)(guang)(guang)器架(jia)，另一(yi)側安(an)(an)(an)有(you)(you)池(chi)(chi)管(guan)(guan)(guan)(guan)；激光(guang)(guang)(guang)(guang)器架(jia)一(yi)端(duan)(duan)(duan)安(an)(an)(an)有(you)(you)激光(guang)(guang)(guang)(guang)器，激光(guang)(guang)(guang)(guang)器架(jia)另一(yi)端(duan)(duan)(duan)安(an)(an)(an)有(you)(you)16根入(ru)射光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)；池(chi)(chi)管(guan)(guan)(guan)(guan)外環繞(rao)包裹池(chi)(chi)套管(guan)(guan)(guan)(guan)，池(chi)(chi)套管(guan)(guan)(guan)(guan)上端(duan)(duan)(duan)安(an)(an)(an)有(you)(you)池(chi)(chi)管(guan)(guan)(guan)(guan)壓(ya)蓋，由螺(luo)栓(shuan)固定在(zai)池(chi)(chi)管(guan)(guan)(guan)(guan)底架(jia)上；池(chi)(chi)管(guan)(guan)(guan)(guan)一(yi)端(duan)(duan)(duan)安(an)(an)(an)有(you)(you)光(guang)(guang)(guang)(guang)源光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)座(zuo)，光(guang)(guang)(guang)(guang)源光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)座(zuo)后端(duan)(duan)(duan)分別環繞(rao)設(she)有(you)(you)16個孔，每(mei)個孔與池(chi)(chi)管(guan)(guan)(guan)(guan)的(de)光(guang)(guang)(guang)(guang)學主軸的(de)夾(jia)角為(wei)62.34°，入(ru)射光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)安(an)(an)(an)裝在(zai)孔中，入(ru)射光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)端(duan)(duan)(duan)頭在(zai)非鍍銀(yin)層(ceng)(ceng)位置，入(ru)射光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)孔后端(duan)(duan)(duan)設(she)有(you)(you)入(ru)液孔通(tong)聯池(chi)(chi)管(guan)(guan)(guan)(guan)；池(chi)(chi)管(guan)(guan)(guan)(guan)另一(yi)端(duan)(duan)(duan)安(an)(an)(an)有(you)(you)拉曼光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)座(zuo)，拉曼光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)座(zuo)后端(duan)(duan)(duan)設(she)有(you)(you)自聚焦透鏡，自聚焦透鏡后端(duan)(duan)(duan)安(an)(an)(an)有(you)(you)出射光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)，拉曼光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)座(zuo)中間設(she)有(you)(you)出液孔；所述(shu)(shu)池(chi)(chi)管(guan)(guan)(guan)(guan)外表面(mian)鍍有(you)(you)銀(yin)層(ceng)(ceng)，池(chi)(chi)管(guan)(guan)(guan)(guan)左右兩端(duan)(duan)(duan)各有(you)(you)2mm長度(du)為(wei)非鍍銀(yin)層(ceng)(ceng)；所述(shu)(shu)池(chi)(chi)套管(guan)(guan)(guan)(guan)為(wei)黑色尼龍(long)管(guan)(guan)(guan)(guan)。

本(ben)實用新(xin)型的(de)(de)有益效(xiao)果(guo)是：入射(she)(she)光(guang)(guang)纖與(yu)光(guang)(guang)學主軸(zhou)的(de)(de)夾角為(wei)62.34o入射(she)(she)激(ji)(ji)光(guang)(guang)，在反光(guang)(guang)材料銀的(de)(de)表面產生50次反射(she)(she)，被測(ce)物得到充(chong)分(fen)的(de)(de)激(ji)(ji)光(guang)(guang)激(ji)(ji)發而產生高倍數的(de)(de)拉(la)曼光(guang)(guang)譜。50×16=800次單光(guang)(guang)纖激(ji)(ji)發。大(da)部(bu)分(fen)激(ji)(ji)光(guang)(guang)最終從池(chi)管的(de)(de)右端射(she)(she)入黑(hei)色拉(la)曼光(guang)(guang)纖坐(zuo)上而吸收，且不進入微(wei)光(guang)(guang)譜分(fen)光(guang)(guang)器。被測(ce)量液體(ti)從光(guang)(guang)源光(guang)(guang)纖座流(liu)入,經過池(chi)管從拉(la)曼光(guang)(guang)纖座流(liu)出,做為(wei)流(liu)動(dong)池(chi)的(de)(de)池(chi)管的(de)(de)死(si)體(ti)積(ji)為(wei)3.14×1×1×100=314微(wei)升，因此死(si)體(ti)積(ji)小。自聚焦透鏡可將直徑2mm的(de)(de)拉(la)曼光(guang)(guang)聚焦在直徑0.05mm的(de)(de)光(guang)(guang)纖截面上，可與(yu)微(wei)光(guang)(guang)譜分(fen)光(guang)(guang)器配合(he)。

附圖說明

下面結合附圖和具體實施(shi)方(fang)式對本(ben)實用新型進(jin)一步說明。

圖1是本實(shi)用新型激光拉曼光譜液(ye)體(ti)流動池(chi)傳(chuan)感(gan)器主視結(jie)構示意(yi)圖。

圖(tu)2是本實(shi)用(yong)新型激光拉曼光譜液(ye)體流動池傳感器俯視結構示意圖(tu)。

圖3是(shi)本實用(yong)新型激(ji)光拉曼光譜(pu)液體流(liu)動池(chi)傳(chuan)感器(qi)側視結構示意圖。

圖(tu)中1、拉曼(man)出(chu)射光(guang)(guang)纖(xian)，2、池管底架(jia)，3、池套管，4、池管，5、池管壓蓋，6、光(guang)(guang)源(yuan)光(guang)(guang)纖(xian)座，7、入(ru)射光(guang)(guang)纖(xian)，8、激(ji)光(guang)(guang)器架(jia)，9、激(ji)光(guang)(guang)器，10、拉曼(man)光(guang)(guang)纖(xian)座，11、自聚焦透(tou)鏡，12、入(ru)液(ye)孔，13、出(chu)液(ye)孔。

具體實施方式

激光(guang)(guang)(guang)拉(la)曼光(guang)(guang)(guang)譜液(ye)體(ti)流動池(chi)(chi)傳感器(qi)，其結構(gou)如圖(tu)1-圖(tu)3所(suo)示，池(chi)(chi)管(guan)(guan)(guan)(guan)底(di)架(jia)(jia)2上端(duan)一(yi)側(ce)安(an)(an)有(you)激光(guang)(guang)(guang)器(qi)架(jia)(jia)8，另一(yi)側(ce)安(an)(an)有(you)池(chi)(chi)管(guan)(guan)(guan)(guan)4；激光(guang)(guang)(guang)器(qi)架(jia)(jia)8一(yi)端(duan)安(an)(an)有(you)激光(guang)(guang)(guang)器(qi)9，激光(guang)(guang)(guang)器(qi)架(jia)(jia)8另一(yi)端(duan)安(an)(an)有(you)16根入(ru)射(she)光(guang)(guang)(guang)纖(xian)7；池(chi)(chi)管(guan)(guan)(guan)(guan)4外環繞包裹(guo)池(chi)(chi)套管(guan)(guan)(guan)(guan)3，池(chi)(chi)套管(guan)(guan)(guan)(guan)3上端(duan)安(an)(an)有(you)池(chi)(chi)管(guan)(guan)(guan)(guan)壓蓋5，由螺(luo)栓固定在池(chi)(chi)管(guan)(guan)(guan)(guan)底(di)架(jia)(jia)2上；池(chi)(chi)管(guan)(guan)(guan)(guan)4一(yi)端(duan)安(an)(an)有(you)光(guang)(guang)(guang)源光(guang)(guang)(guang)纖(xian)座6，光(guang)(guang)(guang)源光(guang)(guang)(guang)纖(xian)座6后(hou)(hou)端(duan)分別(bie)環繞設有(you)16個孔(kong)(kong)，每個孔(kong)(kong)與池(chi)(chi)管(guan)(guan)(guan)(guan)4的(de)光(guang)(guang)(guang)學主軸的(de)夾角為(wei)(wei)62.34°，入(ru)射(she)光(guang)(guang)(guang)纖(xian)7安(an)(an)裝在孔(kong)(kong)中，入(ru)射(she)光(guang)(guang)(guang)纖(xian)7端(duan)頭在非鍍銀(yin)層位(wei)置，入(ru)射(she)光(guang)(guang)(guang)纖(xian)孔(kong)(kong)后(hou)(hou)端(duan)設有(you)入(ru)液(ye)孔(kong)(kong)12通聯(lian)池(chi)(chi)管(guan)(guan)(guan)(guan)4；池(chi)(chi)管(guan)(guan)(guan)(guan)4另一(yi)端(duan)安(an)(an)有(you)拉(la)曼光(guang)(guang)(guang)纖(xian)座10，拉(la)曼光(guang)(guang)(guang)纖(xian)座10后(hou)(hou)端(duan)設有(you)自(zi)聚(ju)(ju)焦透(tou)鏡(jing)11，自(zi)聚(ju)(ju)焦透(tou)鏡(jing)11后(hou)(hou)端(duan)安(an)(an)有(you)出(chu)射(she)光(guang)(guang)(guang)纖(xian)1，拉(la)曼光(guang)(guang)(guang)纖(xian)座10中間設有(you)出(chu)液(ye)孔(kong)(kong)13；所(suo)述(shu)池(chi)(chi)管(guan)(guan)(guan)(guan)4外表面鍍有(you)銀(yin)層，池(chi)(chi)管(guan)(guan)(guan)(guan)4左右兩端(duan)各有(you)2mm長(chang)度(du)為(wei)(wei)非鍍銀(yin)層；所(suo)述(shu)池(chi)(chi)套管(guan)(guan)(guan)(guan)3為(wei)(wei)黑(hei)色尼(ni)龍管(guan)(guan)(guan)(guan)。

16根入(ru)(ru)射光(guang)(guang)纖(xian)與光(guang)(guang)學主(zhu)軸的(de)(de)夾角為62.34o入(ru)(ru)射激光(guang)(guang)，在(zai)反光(guang)(guang)材(cai)料(liao)銀(yin)的(de)(de)表面產(chan)生(sheng)50次反射，被測(ce)物得到(dao)充分的(de)(de)激光(guang)(guang)激發(fa)而產(chan)生(sheng)高(gao)倍數的(de)(de)拉(la)(la)曼光(guang)(guang)譜。50×16=800次單光(guang)(guang)纖(xian)激發(fa)。大部分激光(guang)(guang)最終從池(chi)管(guan)3的(de)(de)右端射入(ru)(ru)黑色拉(la)(la)曼光(guang)(guang)纖(xian)坐上而吸收，且(qie)不(bu)進入(ru)(ru)微(wei)光(guang)(guang)譜分光(guang)(guang)器。被測(ce)量液體從光(guang)(guang)源光(guang)(guang)纖(xian)坐流(liu)入(ru)(ru),經過池(chi)管(guan)從拉(la)(la)曼光(guang)(guang)纖(xian)坐6流(liu)出,做為流(liu)動池(chi)的(de)(de)池(chi)管(guan)的(de)(de)死體積為3.14×1×1×100=314微(wei)升，因此死體積小。自聚焦透(tou)鏡可(ke)將直徑(jing)2mm的(de)(de)拉(la)(la)曼光(guang)(guang)聚焦在(zai)直徑(jing)0.05mm的(de)(de)光(guang)(guang)纖(xian)截面上，可(ke)與微(wei)光(guang)(guang)譜分光(guang)(guang)器配(pei)合(he)使用。