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SXL-10 SF6泄(xie)漏(lou)在线监测系(xi)统采用(yong)(yong)负电(dian)(dian)(dian)(dian)晕(yun)放(fang)(fang)电(dian)(dian)(dian)(dian)法进行SF6泄(xie)漏(lou)的(de)测量，以高频脉(mai)冲(chong)电(dian)(dian)(dian)(dian)晕(yun)连续(xu)放(fang)(fang)电(dian)(dian)(dian)(dian)效应(ying)(ying)为机理，根据SF6负电(dian)(dian)(dian)(dian)性对(dui)(dui)负电(dian)(dian)(dian)(dian)晕(yun)放(fang)(fang)电(dian)(dian)(dian)(dian)有(you)抑(yi)制作用(yong)(yong)的(de)特性来进行检测泄(xie)漏(lou)气(qi)体。 采集(ji)器在脉(mai)冲(chong)电(dian)(dian)(dian)(dian)压(ya)作用(yong)(yong)下(xia)，产生电(dian)(dian)(dian)(dian)晕(yun)放(fang)(fang)电(dian)(dian)(dian)(dian)效应(ying)(ying)，当气(qi)体中带有(you)SF6气(qi)体时，由于SF6具有(you)高负电(dian)(dian)(dian)(dian)性，会吸引(yin)自由电(dian)(dian)(dian)(dian)子，从而对(dui)(dui)电(dian)(dian)(dian)(dian)晕(yun)电(dian)(dian)(dian)(dian)厂起到抑(yi)制作用(yong)(yong)。环境中SF6气(qi)体浓度越高，则电(dian)(dian)(dian)(dian)晕(yun)效应(ying)(ying)越受到抑(yi)制，电(dian)(dian)(dian)(dian)晕(yun)放(fang)(fang)电(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)流则会减少。

SXL-20 SF6泄漏(lou)(lou)(lou)在(zai)线监测系统采用超(chao)声(sheng)(sheng)波(bo)测速(su)法进行SF6泄漏(lou)(lou)(lou)的(de)(de)(de)测量，其原理是(shi)超(chao)声(sheng)(sheng)波(bo)速(su)度(du)在(zai)不同(tong)摩(mo)尔质(zhi)(zhi)量的(de)(de)(de)气(qi)(qi)体(ti)(ti)的(de)(de)(de)传输速(su)度(du)是(shi)不同(tong)的(de)(de)(de)。我(wo)们知道SF6气(qi)(qi)体(ti)(ti)的(de)(de)(de)分子量是(shi)空气(qi)(qi)的(de)(de)(de)5倍，即使少量的(de)(de)(de)气(qi)(qi)体(ti)(ti)泄漏(lou)(lou)(lou)，也能(neng)体(ti)(ti)现在(zai)气(qi)(qi)体(ti)(ti)摩(mo)尔质(zhi)(zhi)量的(de)(de)(de)变化上，从(cong)而超(chao)声(sheng)(sheng)波(bo)的(de)(de)(de)速(su)度(du)也是(shi)不同(tong)的(de)(de)(de)。我(wo)们测得声(sheng)(sheng)速(su)变化，即可反映SF6泄漏(lou)(lou)(lou)浓度(du)变化。 声(sheng)(sheng)波(bo)是(shi)一种在(zai)弹性媒质(zhi)(zhi)中(zhong)传播的(de)(de)(de)机械波(bo)，它(ta)是(shi)纵波(bo)。

SXL-30 SF6泄(xie)漏在线监测系统(tong)采用(yong)激光红外法进(jin)行SF6泄(xie)漏的测量，下图(tu)所示为SF6气(qi)(qi)体(ti)红外光谱图(tu)，由图(tu)中可以看出SF6气(qi)(qi)体(ti)在红外有一个(ge)以波(bo)长10.56μm为中心吸(xi)收带，SF6气(qi)(qi)体(ti)对对应(ying)波(bo)长红外光线具有强(qiang)烈吸(xi)收作用(yong)。

SXL-40 SF6泄漏在(zai)线监测(ce)(ce)(ce)系统采(cai)用(yong)热裂(lie)(lie)解(jie)法进(jin)行SF6泄漏的(de)测(ce)(ce)(ce)量，传感(gan)器(qi)采(cai)用(yong)高效稳定的(de)复合催化(hua)材料制(zhi)作裂(lie)(lie)解(jie)器(qi)，使SF6在(zai)较(jiao)低温度下(xia)通(tong)过热裂(lie)(lie)解(jie)器(qi)使其(qi)发生裂(lie)(lie)解(jie)反应(ying)，其(qi)分解(jie)产(chan)物(wu)(wu)与(yu)空气(qi)(qi)中的(de)其(qi)它成(cheng)分如(ru)氧气(qi)(qi)、水等化(hua)合后生成(cheng)二次产(chan)物(wu)(wu)SO2，利用(yong)电化(hua)学传感(gan)器(qi)检测(ce)(ce)(ce)其(qi)二次反应(ying)生成(cheng)物(wu)(wu)就可(ke)以达到间(jian)接测(ce)(ce)(ce)量SF6气(qi)(qi)体的(de)目的(de)。

HD6000B型SF6-O2在线泄(xie)漏监(jian)控报警系统(tong)

HDFH-S型SF6气体泄漏防(fang)护装备