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基于MEMS工艺的热电堆红外传感器科技助力疫情防控阻击战

方案详情

方案背景

2020年的春节注定不同寻常,新型冠状病毒感染引发的肺炎疫情牵动着全体国人的心。各界人士纷纷向奋战在一线的英雄们致敬,并通过各种方式为抗战疫情贡献力量。

作为河南省紧邻湖北武汉的县区,信阳新县新型冠状病毒感染的肺炎疫情防控形势非常严峻,县内疫情防控物资严重匮乏,防控压力倍增。2月3日,汉威科技集团股份有限公司向信阳新县红十字会捐赠资金100万元,专项用于该地区购买新型冠状病毒肺炎急需的医疗物资及满足该地区部分紧急现金需求,为坚决打赢疫情防控阻击战贡献绵薄之力。

ZAIFANGKONGXINXINGGUANZHUANGBINGDUYIQINGDEGUOCHENGZHONG,HUXIJI、JIANHUYI、ZHIYANGJI、FUYAJIUHUCHEDENGYILIAOCHANPINFAHUILEZHONGDAZUOYONG,ZHEIXIEDOUBULIKAICHUANGANQIJISHUDEZHICHI。JIEXIALAI,ZUOZHEJIANGZHEZHONGJIESHAOYIXIAHONGWAIREDIANDUICHUANGANQIDEYUANLIJIZAIBENCIYIQINGZHONGDEGUANJIANYINGYONG。

产品概述

宇宙间的任何物体只要其温度高于绝对零度,都会以一定的波长向外辐射能量—即产生红外辐射。因此,在自然温度下所有物体都是红外辐射的发射源,只是红外辐射的红外线波长不同。例如,人体温度37℃,红外辐射波长为9~10μm;400~700℃物体的红外辐射波长为3~5μm。

HONGWAIXIANYESHITAIYANGGUANGPUDEYIBUFEN,SHIYIZHONGBUKEJIANGUANG。YUSUOYOUDIANCIBOYIYANG,JUYOUFANSHE、ZHESHE、SANSHE、GANSHE、XISHOUDENGXINGZHI。HONGWAIGUANGZAIZHENKONGZHONGDECHUANBOSUDUWEI3×108m/s,ZAIJIEZHIZHONGCHUANBOHUICHANSHENGSHUAIJIAN,YOUQIZAIJINSHUZHONGCHUANBOSHUAIJIANHENDA,DANHONGWAIFUSHENENGTOUGUODABUFENBANDAOTIHEYIXIESULIAO,DABUFENYETIDUIHONGWAIFUSHEXISHOUFEICHANGDA。

LIYONGWUTIHONGWAIFUSHETEDIANHECHUANBOGUOCHENGZHONGZHANXIANCHUDEGEZHONGTEXING,SHIYONGHONGWAITANCEQIGANZHIWUTIHONGWAIFUSHEHUOXISHOUDENGWULIGUOCHENGDEGUANGPUTEZHENG,KEYICELIANGCHUWUTIDEBUTONGSHUXINGHETEZHENG,LIRUWUTIWENDU,ZHEIJIUSHIHONGWAICELIANGJISHU。FEIJIECHUSHICEWENCHUANGANQIJIUSHILIYONGWUTIDEFUSHENENGLIANGSUIWENDUERBIANHUADEYUANLIZHICHENGDE。

HONGWAITANCEQIANGONGZUOYUANLIKEFENWEIREXINGTANCEQIYUGUANGZIXINGTANCEQILIANGDALEI。QIZHONGRETANCEQIZHUYAOFENWEIREDIANOU/REDIANDUI(Thermocouple/Thermopile)、REMINDIANZU(Bolometers)YIJIRESHIDIANTANCEQI(Pyroelectric)SANZHONG;GUANGZITANCEQIZHUYAOFENWEIBENZHENGXING(Intrinsic)、FEIBENZHENGXING(Extrinsic)、ZIYOUZAILIUZIXING(Free Carriers)YIJILIANGZIJINGXING(Quantum Wells)DENGJIZHONG。

ZAIHONGWAITANCEQIZUIGUANGFANDEYINGYONGLINGYU--WENDUCELIANGYINGYONGZHONG,KEYILIYONGJIYUREDIANXIAOYING(HUOSAIBEIKEXIAOYING:Seebeck Effect)DEREDIANOU/REDIANDUIXINGTANCEQILAISHIXIANWENDUCELIANG。REDIANOUDECEWENYUANLIWEI:RUGUOLIANGZHONGBUTONGDECAILIAOHUOCAILIAOXIANGTONGERYICHUGONGBUTONGDEWUTIAHEB,ZAIREDUANXIANGLIAN(REJIEQU),ERZAILENGDUANKAILU(LENGJIEQU),REDUANHELENGDUANDEWENDUCHAWEIΔTHC,NEIMEZAILENGDUANJIUHUICHANSHENGYIWENCHADIANDONGSHIVout。TONGGUOCELIANGGAIWENCHADIANDONGSHIKESHIXIANDUIWENDUCELIANG。

热电效应示意

 

REDIANDUISHIYOUDUODUIREDIANOUCHUANLIANERCHENG,XIANGBIDANGEREDIANOUYOUGENGDADESHUCHUREDIANSHI。REDIANDUIZUOWEIYIZHONGFEIJIECHUHONGWAICEWENCHUANGANQI,BUXUYAOZHIJIEJIECHUBEICEWUTIJIUKEYIKUAISUCEDEWUTIBIAOMIANWENDU,KEYICELIANGGAOWENDE、WEIXIANDEHUOYIDONGDEWUTI,QIEBUHUIWURANHUOSUNHUAIBEICEWUTI。

DIANZITIWENJIJIUSHICAIYONGREDIANDUIXINGHONGWAICHUANGANQI,JIANGRENTIFUSHEDEHONGWAIXIANZHUANHUANWEIDIANXINHAODEBIANHUA,CONGERXIANSHICHURENTIWENDU。XIANGBICHUANTONGSHUIYINWENDUJI,DIANZITIWENJIJUYOUGENGANQUAN,DUSHUZHIGUAN,SHIJIANDUAN,JINGDUGAODENGYOUDIAN。

MRT117热电堆温度传感器(TO-46封装)

MRT311热电堆温度传感器(TO-46封装)

 

传感器特点:

TO-46FENGZHUANG,GAOLINGMINDU;XIANGYINGKUAI;WENDINGXINGHAO;LVGUANGPIANTOUGUOLVGAO;NTCJINGDUGAO。

主要应用:

◆ FEIJIECHUSHIWENDUCELIANG;

◆ ERWEN、EWENDENGHONGWAITIWENFEIJIECHUCELIANG;

◆ SHENGCHANGUOCHENGDELIANXUWENDUKONGZHI;

◆ JIAYONGDIANQI(WEIBOLU、HUFACHUIFENGJI、KONGDIAODENG)WENDUCELIANGYUKONGZHI;

◆ RENTICUNZAISHIJIANCE

 

WUTIWENDUYUEGAO,CHANSHENGDEHONGWAIFUSHEQIANGDUYUEDA,JIYUMEMSGONGYIZHIZAODEREDIANDUIHONGWAITANCEQIKEYIZAIYIDINGJULIWAITONGGUOJIANCEWUTIDEHONGWAIFUSHELAICELIANGWENDU。REDIANDUITANCEQIDECHUANGANYUANJIANYOUGUIJIPIANSHANGDEDUOGEWEIXINGREDIANOUZUCHENG,NENGGOUXISHOUFUSHENENGLIANGBINGCHANSHENGSHUCHUXINHAO。

REDIANDUICHUANGANQIHERESHIDIANLEICHUANGANQIDEQUBIE:JIKEYIJIANCEDONGTAIXINHAO,YEKEYIJIANCEJINGTAIXINHAO,QIEWENDUJINGQUECELIANG。REDIANDUIHONGWAITANCEQIKEPEIZHIGEZHONGTOUJINGHELVBOQI,CONGERSHIXIANZAIWENDUCELIANG、QITICHENGFENDEDINGXING/DINGLIANGFENXI、YILIAOSHEBEIDENGDUOZHONGYINGYONGCHANGJINGZHONGDEYINGYONG。

MUQIAN,ZAIEWENQIANG、ERWENQIANG、ZHINENGJIADIAN、DENGJUKAIGUAN、SHIPINWENDUJIANCEDENGLINGYUZHONGHUODELEGUANGFANDEYINGYONG。

 

写在最后

JINGUANDANGQIANKANGYIXINGSHIYANJUN,DANJUGUOSHANGXIAZHENGQIXINXIELI,YONGGANYINGJIECICIKAOYAN。WULUNSHIFENZHANZAIYIXIANDEBAIYITIANSHI,HAISHIJUANKUANJUANWUDEAIXINQIYE,JIJISHENGYUANDEPUTONGMINZHONG,DOUZHANXIANCHULEZHONGGUOSUOJUYOUDEQIANGDANINGJULI。

YIQINGMIANQIAN,ZHONGZHICHENGCHENG。ZHENGZHOUWEISHENGKEJIGONGSIJIANGGAODUGUANZHUYIQINGFAZHANTAISHI,YUQUANGUORENMINXIESHOUTONGXIN,GONGKESHIJIAN,JIANJUEZHULIYIQINGFANGKONGZUJIZHANQUDEQUANMIANSHENGLI!

 

 

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