上海11选5

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浅谈热电偶冷(参考)接头和不同的冷端补偿方法

来源:发表时间:2018-12-13


      ZAIZHEIPIANBOWENZHONG,WOJIANGJIANYAOJIESHAOYIXIAREDIANOU,YOUQISHILENG(CANKAO)JIETOUHEBUTONGDELENGDUANBUCHANGFANGFA。ZAISHIYONGGUOCHENGYIQIXIAOZHUNDEDUONIANZHONG,WOCHANGCHANGGANDAOJINGYADESHI,JISHISHINEIXIESHIYONGREDIANOUGONGZUOHENDUODERENBINGBUZONGSHIYISHIDAOREDIANOU,YOUQISHILENG(CANKAO)JIETOUSHIRUHEGONGZUODE,YINCITAMENKENENGHUICHUCUO。CELIANGHEXIAOZHUN。WEILENENGGOUTAOLUNLENGDUAN,WOMENSHOUXIANYAOJIANYAOLEJIEREDIANOULILUNYIJIREDIANOUDEGONGZUOYUANLI。 

上海11选5      WOBUHUISHENRULILUNKEXUE,DANHUIGENGJIAZHUZHONGSHIJIKAOLVYINSU,DANGNINZAIDIANXINGDEGUOCHENGGONGCHANGZHONGSHIYONGREDIANOUCELIANGHEXIAOZHUNSHIYINGGAIZHIDAODESHIQING。

SHUYU:LENGDUANHUOCANKAOLIANJIEDIAN

上海11选5      REDIANOU“LENGDUAN”TONGCHANGBEICHENGWEI“CANKAOJIEHEDIAN”,DANZAIWOKANLAIRENMENGENGPINFANDISHIYONG“LENGJIEDIAN”,SUOYIWOJIANGZAIBENWENZHONGSHIYONGNEIGE。

REDIANOU

      SHANGHAIZIDONGHUAYIBIAOSANCHANGREDIANOUSHIGUOCHENGGONGCHANGZHONGFEICHANGCHANGJIANDEWENDUCHUANGANQI。REDIANOUJIHUMEIYOUSHENMEHAOCHU,KEYIGUANGFANSHIYONG。TAMENKEYONGYUCELIANGFEICHANGGAODEWENDU,YUANGAOYURTD(DIANZUWENDUJIANCEQI)。REDIANOUYESHIYIZHONGFEICHANGJIANGUDECHUANGANQI,YINCIBUYISUNHUAI。SUIRANREDIANOUBURURTDCHUANGANQIJINGQUE,DANTAMENZAIXUDUOYINGYONGZHONGDOUZUGOUZHUNQUE。REDIANOUYESHIXIANGDUIBIANYIDECHUANGANQI,BINGQIEREDIANOUCELIANGDIANLUBUXIANGRTDDIANLUNEIYANGXUYAOJILIDIANLIU,YINCIDIANLUJIUSHIZHEIYANG,ZHIZAOQILAIGENGJIANDAN。YOUXUDUOBUTONGDEREDIANOULEIXINGZHENDUIBUTONGDEYINGYONGJINXINGLEYOUHUA。

上海11选5      SHANGHAIZIDONGHUAYIBIAOSANCHANGREDIANOUCHUANGANQIKANQILAIFEICHANGJIANDAN - ZHIXULIANGGENDIANXIAN - KENENGCHUXIANSHENMEWENTI?DANKAOLVDAOLENGDUANHECELIANGDIANLUZHONGDESUOYOUJIEDIAN,TABINGBUZONGSHIRUCIJIANDAN。RANGWOMENKAISHITAOLUNLENGDUANTAOLUN,DANZAICIZHIQIAN,GUANYUREDIANOULILUNDEGENGDUOWENZIYOUZHUYUGENGHAODILIJIELENGDUANTAOLUN。 

REDIANOURUHEGONGZUO?

      RANGWOMENLAIKANKANREDIANOUDEGONGZUOYUANLI。REDIANOUYOULIANGGENYOUBUTONGDIANDAOTIZUCHENGDEDAOXIANZUCHENG,ZHEILIANGGENDAOXIANZAIYIDUAN(“RE”DUAN)LIANJIEZAIYIQI,JININXIANGYAOYONGLAICELIANGWENDUDEMODUAN。

      ZHENGRUTUOMASI?YUEHAN?SAIBEIKE(Thomas Johann Seebeck)ZAI1821NIANFAXIANDENEIYANG,DANGZHEIXIEDAOXIANDELIANJIEDIANJINRUBUTONGWENDUSHI,HUICHANSHENGREDIANLIU,DAOZHIKAILUDUANDAOXIANZHIJIANDEDIANYAHENXIAO。DIANYAQUJUEYUWENDUHESUOYONGDAOXIANDECAILIAO。ZHEIZHONGXIAOYINGBEICHENGWEISAIBEIKEXIAOYING。

REDIANOUDEJIANHUAYUANLITU:

上海11选5      ZAISHANGTUZHONG:“REDIANOUCAILIAO1HE2”DAIBIAOREDIANOUDELIANGZHONGBUTONGCAILIAO。“T1”SHIREDIANOUDEREDUAN,JIYONGYUCELIANGWENDUDEDIAN。LIANGGE“Tcj”SHILENGDUANDEWENDU。

      SHANGMIANDEJIESHIYOUXIEJIANHUA,YINWEIREDIANYASHIJISHANGSHIYOUREDIANOUXIANZHONGDEWENDUTIDUCHANSHENGDE,YIZHISHIZAI“RE”HE“LENG”JIEZHIJIAN。YINCI,BUSHISHIJICHANSHENGDIANYADELIANJIEDIAN,ERSHIYANZHEDIANXIANDEWENDUTIDU。TONGGUORENWEIREDIANYAZAIJIE,LENGREJIEZHONGCHANSHENG,GENGRONGYILIJIEZHEIYIDIAN。YEXUGENGDUOKEXUEDEREDIANOULILUNKEYIZAIYIHOUDEQITAWENZHANGZHONGTIGONG,DANZAIZHEIYIPIANZHONG,RANGWOMENJIANCHISHIJIKAOLV。

REDIANOULEIXINGHECAILIAO

上海11选5      YOUXUDUOLEIXINGDEREDIANOUYOUBUTONGDECAILIAOHEHEJINZHICHENG。BUTONGDECAILIAOHUIDAOZHIBUTONGDELINGMINDU,ZAIXIANGTONGWENDUXIACHANSHENGBUTONGDEREDIANYALIANG,BINGHUIYINGXIANGQITATEXING,RUZUIGAOWENDU。

上海11选5      JIZHONGBUTONGDEREDIANOULEIXINGYIJINGBIAOZHUNHUA,BINGQIEJICHULESUOSHIYONGDETEDINGCAILIAODEMINGCHENG。MINGCHENGTONGCHANGSHIFEICHANGDUANDEMINGCHENG,TONGCHANGZHIYOUYIGEZIMU,LIRULEIXINGK,R,S,J,KDENG。

上海11选5YIXIEZUICHANGJIANDEREDIANOUJIQICAILIAOLIEYUXIABIAO:

DIANXIANYANSE

上海11选5      HAOXIAOXISHIREDIANOUXIANSHICAISEBIANMADE,YIBIANYUSHIBIE。HUAIXIAOXISHIYANSEDAIMAYOUXUDUOBUTONGDEBIAOZHUN,TAMENBICIBUTONG。ZHUYAOBIAOZHUNSHIIEC60584-3(GUOJI)HEANSI(MEIGUO),DANYEYOUXUDUOQITABIAOZHUN,RUZHONGGUO,RIBEN,FAGUO,YINGGUO,HELAN,DEGUODENGBIAOZHUN。BUXINGDESHI,TONGGUOYANSESHIBIELEIXINGYOUDIANFUZA。 

SHANGHAIZIDONGHUAYIBIAOSANCHANGREDIANOUDEREDIANYA

      YOUYUBUTONGDEREDIANOUYOUBUTONGDECAILIAOZHICHENG,YINCIREDIANYAYEBUTONG,RUXIATUSUOSHI。ZAIBUTONGLEIXINGZHIJIANDEXIANGTONGWENDUXIACHANSHENGDEDIANYACUNZAIHENDACHAYI。

上海11选5      RUGUONINXIANGCELIANGJIAODIDEWENDU,SHIYONGGENGMINGANDELEIXINGXIANRANHUIGENGHAO,YINWEITAMENTIGONGGENGGAODEDIANYA,GENGRONGYICELIANG。DANSHIRUGUONIXUYAOQUGAOWEN,NIXUYAOXUANZEYIXIEKEYIZAIRUCIGAOWENXIASHIYONGDEBUTAIMINGANDELEIXING。

SAIBEIKEXISHUBIAOSHIREDIANOUDEDIANYAYUWENDUBIANHUAXIANGBIBIANHUALEDUOSHAO。SHAOHOUHUIXIANGXIJIESHAO。

      SHANGTUSHUOMINGLEBUTONGREDIANOUZHIJIANDEBUTONGLINGMINDU,YEJIESHILEWEISHENMEREDIANOUXIAOZHUNQITONGCHANGDUIBUTONGDEREDIANOULEIXINGYOUBUTONGDEJINGDUGUIGE。CELIANGSHEBEIHUOXIAOZHUNQITONGCHANGJUYOUDIANYAZHIDINGDEDIANYACELIANGJINGDU。LIRU,TAKEYIJUYOU4WEIFUDEJINGDU。YOUYUREDIANOULINGMINDUBUTONG,ZHEI4WEIFUJINGDUDENGYUBUTONGDEWENDUJINGDU,JUTIQUJUEYUREDIANOULEIXING。

上海11选5CELIANGZHUANGZHI(XIAOZHUNQI)SHILI

      RANGWOMENKANKANLIANGGEJIDUAN:ZAI200°CWENDUXIADEEHEBXING。EXINGZAI200°CSHIDELINGMINDU(SAIBEIKEXISHU)YUEWEI74μV/°C,ERBXINGZAI200°CSHIDEXISHUYUEWEI2μV/°C。YINCI,ZHEILIANGZHEZHIJIANYOU37BEIDECHAYI。

上海11选5      LIRU,RUGUONINDECELIANGSHEBEIKEYICELIANG4μVDEDIANQIJINGDU,ZHEIYIWEIZHETAKEYIZAI200°CSHIWEIEXINGTIGONGYUE0.05°C(4μVCHUYI74μV/°C)DEJINGDU,BINGQIEJINGDUGAOWENDUWEI2°C(4μVCHUYI2μV/°C),BXINGWEI200°C。

      YINCI,WOMENKEYIKANDAOWEISHENMEREDIANOUCELIANGSHEBEI/XIAOZHUNQIDUIYUBUTONGDEREDIANOULEIXINGTONGCHANGYOUFEICHANGBUTONGDEJINGDUGUIGE。

XIAOZHUNQIZHUNQUEDU

上海11选5      RUGUONINKANDAOWENDUXIAOZHUNQIDESHUJUBIAO,BINGQIESUOYOUREDIANOULEIXINGDEJINGDUGUIGEXIANGTONG,QINGXIAOXIN!TONGCHANGZHEIYIWEIZHEGUIGE/SHUJUBIAOYIZAIYINGXIAOBUMENERFEIJISHUBUMENWANCHENG, ZHEIBUTAIXIANSHI。

BIAOZHUN

      HAIYOUYIXIEBIAOZHUN(LIRUAMS2750E)YAOQIUSUOYOUREDIANOULEIXINGDOUJUYOUXIANGTONGDEJINGDU,ZHEIZAISHIJIANZHONGMEIYOUTAIDAYIYI,YINWEIBUTONGLEIXINGDELINGMINDUCUNZAIJUDACHAYI。

SAIBEIKEXISHU

      WOZHIQIANYIJINGTIDAOLESAIBEIKEXISHU。ZHEISHIREDIANOUDELINGMINDU,JITAJIESHILEMEIGEWENDUBIANHUACHANSHENGDUOSHAODIANYA。

XIATUXIANSHILEYIXIEBUTONGREDIANOUDESAIBEIKEXISHU:

LENGDUAN

上海11选5      XIANZAI,RANGWOMENKAISHIQIANRU“LENGDUAN”ZAOXIESHIHOU,WOZHANSHILEJIANHUAREDIANOUYUANLIDETUPIAN,XIANSHIREDIANYASHIZAI“RE”DUANLIANJIEZHONGCHANSHENGDE,QIZHONGLIANGGEBUTONGDEDAOTILIANJIEZAIYIQI。NIYINGGAIZAIZHEILIWENDEYIGEDAWENTISHI:DANSHIDIANXIANDELINGYIDUANNI?

上海11选5ZHENSHIGEHAOWENTI!WOHENGAOXINGNIWEN... ;-)

      DANGNINCELIANGREDIANOUDEDIANYASHI,NINKEYIJIANGREDIANOUXIANLIANJIEDAOWANYONGBIAO,DUIBA?BINGBUSHIDE!WANYONGBIAOLIANJIECAILIAOTONGCHANGWEITONGHUODUJIN,YINCITAYUREDIANOUCAILIAODECAILIAOBUTONG,ZHEIYIWEIZHENINZAIWANYONGBIAOLIANJIEZHONGCHUANGJIANLELIANGGEXINDEREDIANOU!

RANGWOMENYONGTUPIANLAISHUOMING:

上海11选5      ZAISHANGTUZHONG,CAILIAO1HECAILIAO2SHIXINGCHENGREDIANOUDELIANGZHONGREDIANOUCAILIAO。“REDUAN”SHITAMENHANJIEZAIYIQIDEDIAN,YEJIUSHICELIANGGUOCHENGWENDUDEDIAN,ZHEISHICHANSHENGDIANYAU1DEDIFANG。ZHEIGEU1SHIWOMENXIANGYAOHENGLIANGDE。ZAI“LENGDUAN”DIAN,REDIANOULIANJIEDAODIANYABIAO,GAIDIANYABIAOJUYOUYOUBUTONGCAILIAO,CAILIAO3ZHICHENGDELIANJIE。ZAIZHEIXIELIANJIEZHONG,CHANSHENGREDIANYAU2HEU3。WOMENBUXIANGCELIANGZHEIXIEU2HEU3DIANYA,YINCIWOMENXIANGYAOBAITUOZHEIXIEHUOBUCHANGTAMEN。

      ZHENGRUWOMENZAISHANGTUZHONGSUOKANDAODE,SHIJISHANGSHICELIANGCHUANLIANLIANJIEDESAN(3)GEREDIANOUDEDIANYA。NINXIANRANZHIXIANGCELIANG“RE”JIEDEDIANYA/WENDUERBUCELIANGQITALIANGGEJIE。

SUOYI,NIKEYIZUOSHENME?

NINXUYAOYIMOUZHONGFANGSHIXIAOCHUHUOBUCHANGLENGDUANZHONGCHANSHENGDEREDIANOU。YOUBUTONGDEFANGFAKEYIZUODAOZHEIYIDIAN。RANGWOMENKANKANXIAYIGE。

LENGDUANXUANXIANGHEBUCHANGFANGFA 

1.BINGYUZHONGDELENGJIE

上海11选5      JIUQIXINGZHIERYAN,REDIANOUJIEZAIWENDUWEI0°C(32°F)SHIBUHUICHANSHENGRENHEREDIANYA。YINCI,NINKEYIZAIGAIWENDUXIAZHIZUOLENGDUAN,LIRUZAIBINGYUHUOJINGQUEDEWENDUKUAIZHONG。NINKEYIJIANGREDIANOUXIANLIANJIEDAOBINGYUZHONGDETONGXIANZHONG,BINGQIEZAIGAILIANJIEZHONGBUHUICHANSHENGREDIANYA。NEIMENIGENBENBUXUYAODANXINLENGDUAN。

      LIANJIEXUYAOYUBINGYUZHONGDESHUIDIANGELI,YIBIMIANRENHEXIELOUDIANLIUDAOZHICUOWUHUOCHANSHENGKENENGDEFUSHI。ZHEISHIYIZHONGFEICHANGZHUNQUEDEFANGFA,TASHIXIAOZHUNSHIYANSHITONGCHANGSUOZUODESHIQING。WULUNRUHEZAIJIAGONGCHANGDIBANSHANGDOUBUSHIHENSHIYONG,YINCITATONGCHANGBUYONGYUJIAGONGCHANG。

LI:

NXINGREDIANOURUTUSUOSHILIANJIE。DIANYABIAOXIANSHI20808μV。CEDEDEWENDUSHIDUOSHAO?

上海11选5      E = E N(t U1) - E N(t r)

NALI:

上海11选5      E =CELIANGDIANYA=20808μV

上海11选5      E N(t U1)=REJIEZHONGCHANSHENGDEDIANYA

      E N(t r)=LENG(JIZHUN)JIEZHONGCHANSHENGDEDIANYA=0μV(IEC 60584 NXING,0°C)

上海11选5      E N(t U1)= E + E N(t r)=20808μV+0μV=20808μV= 605°C(IEC 60584 NXING,20808μV)YINCI,WENDUWEI605°C。

2.LENGDUANZAIYIZHIDEGUDINGWENDUXIA

      YOUYUFAXIANBINGYUBUQIESHIJI,NINHAIKEYIZAIQITAYIZHIDEGUDINGWENDUXIAJINXINGLENGDUANLIANJIE。NINKEYISHIYONGYIGEDAIYOUWENDUKONGZHIDEXIAOXINGLIANJIEHE,SHIHEZISHIZHONGBAOCHIZAIYIDINGWENDU。TONGCHANG,WENDUGAOYUHUANJINGWENDU,YINCIXIANGZIZHIXUYAOJIARE,ERBUXUYAOLENGQUE。

      DANGNINZHIDAOLENGDUANDEWENDU,BINGQIENINYEZHIDAOREDIANOUDELEIXINGSHI,NINKEYIJISUANBINGBUCHANGLENGDUANREDIANYA。

XUDUOCELIANGSHEBEIHUOWENDUXIAOZHUNQIDOUJUYOUKEYISHURULENGDUANWENDUDEGONGNENG,SHEBEIJIANGWEININWANCHENGSUOYOUJISUANBINGJINXINGBUCHANG。

LI:

NXINGREDIANOURUTUSUOSHILIANJIE。DIANYABIAOXIANSHI19880μV。LENG(CANBI)JIEDEWENDUWEI35°C。CEDEDEWENDUSHIDUOSHAO?

      E = E N(t U1) - E N(t r)

NALI:

      E =CELIANGDIANYA=19880μV

      E N(t U1)=REDUANCHANSHENGDEDIANYA

上海11选5      E N(t r)=CANKAO(HUOLENG)JIEZHONGCHANSHENGDEDIANYA=928μV(IEC 60584 NXING,35°C)

上海11选5      E N(t U1)= E + E N(t r)=19880μV+928μV=20808μV= 605°C(IEC 60584 NXING,20808μV)

YINCI,CEDEDEWENDUWEI605°C。

上海11选5      QINGZHUYI,REDIANOUJISUANBIXUSHIZHONGBAOCHIDIANYA。CHANGJIANDECUOWUSHICHAZHAOCELIANGDIANYADEBIAOZHIBINGTIANJIALENGDUANWENDU。ZAIZHEIZHONGQINGKUANGXIA,GENJUIEC 60584BIAOZHUNCEDEDE19880μVDEXIANGYINGWENDUWEI581.2°C。SHIYONGWENDUZHIJISUANJIANGDEDAO581.2°C + 35°C = 616.2°C。WUCHAWEI+ 11.2°C。

3.CELIANGLENGDUANDEWENDU

上海11选5      RUGUOBUXIANGQIANMIANDELIZINEIYANGDIAOZHENGLENGDUANWENDU,WULUNRUHEDOUKEYISHIYONGWENDUTANTOUCELIANGLENGDUANDEWENDU。RANHOU,NINKEYIBUCHANGLENGDUANXIAOYING,DANYOUYUNINXUYAOSHIZHONGCELIANGLENGDUANWENDUBINGQIELEJIEREDIANOULEIXING,YINCIXUYAOJINXINGJISUANYILEJIELENGDUANDEYINGXIANG,YINCIBUCHANGHUIGENGJIAKUNNAN。

      XINGYUNDESHI,XUDUOWENDUXIAOZHUNQITIGONGLESHIYONGWENDUTANTOUCELIANGLENGDUANWENDUDEGONGNENG,BINGQIESHEBEIZIDONGJINXINGSUOYOUBUCHANGHEJISUAN。

4.CELIANGSHEBEIZHONGDEZIDONGZAIXIANBUCHANG

上海11选5      WOTIDAOQIANMIANDELIZIHENNAN,YINWEINIXUYAOYIZHIJISUANBUCHANG,DANNIKEYIBATALIUJICELIANGSHEBEIZIDONGWANCHENG。CELIANGSHEBEI(FASHEQI,DCSSHURUKAHUOWENDUXIAOZHUNQI)KEYIYIZHICELIANGLENGDUANDEWENDU,BINGZIDONGZHIXINGLENGDUANWUCHADEZAIXIANBUCHANG。YOUYUCELIANGSHEBEIYEZHIDAOREDIANOULEIXING(NINZAICAIDANZHONGXUANZE),TAKEYIZIDONGLIANXUDIJINXINGBUCHANG。

上海11选5      ZHEITONGCHANGSHIZAIZHENGCHANGCELIANGHEXIAOZHUNZHONGBUCHANGLENGDUANDEZUIJIANDANHEZUISHIYONGDEFANGFA,YINWEININBUXUYAODANXINLENGDUANBINGLIUXIASHEBEILAICHULI。NINZHIXUJIANGREDIANOUXIANCHARUSHEBEIJIKE。

WENDUXIAOZHUNQIYEZHICHIZHEIZHONGZIDONGBUCHANG。


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