巨典棋牌

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                              1. Tin tức tiền ảohọc tiếng Trung onlineyoga Viet Nam
                                产品资料

                                pt1000

                                如果您对该产品感兴趣的话,可以
                                产品名称: pt1000
                                产品型号: 2005-1000
                                产品展商: 其他品牌
                                产品文档: 无相关文档

                                简单介绍

                                日本林电工HAYASHI DENKO pt100 pt500 pt1000铂电阻元件 薄膜铂电阻: 用真空沉积的薄膜技术把铂溅射在陶瓷基片上,膜厚在2μm以内,用玻璃烧结料把Ni(或Pd)引线固定,经激光调阻制成薄膜元件。 绕线铂电阻(陶瓷、玻璃、云母):用φ0.02~0.04 ㎜ 高纯铂丝绕制而成.


                                pt1000  的详细介绍

                                l        薄膜铂电阻系列

                                型号

                                外形尺寸

                                W×L×Hmm

                                标称阻值

                                R0

                                工作电流

                                mA

                                引线尺寸

                                W×H×Lmm

                                工作温度

                                外形图

                                mm

                                CRZ-1632-100-Ni

                                1.6×3.2×1.0

                                100Ω

                                1

                                0.25×0.15×12

                                -40450

                                 

                                 

                                1/3DIN

                                A

                                B

                                2B

                                 

                                CRZ-2005-100-Ni

                                2.0×5.0×1.0

                                0.25×0.15×12

                                -40450

                                CRZ-2005-100-Pd

                                0.3×0.2×10

                                -50500

                                CRZ-2005-1000-Ni

                                CRZ-2005-500-Ni

                                500Ω

                                1000Ω

                                0.5

                                0.25×0.15×12

                                -40450

                                ST-1003-Pt

                                1.0×3.0×1.3

                                20Ω

                                1

                                0.25×0.15×12

                                -50500

                                 

                                 

                                 

                                 

                                l         线绕陶瓷PC(玻璃PG)铂电阻

                                型号

                                外形尺寸

                                D×Lmm

                                标称阻值R0

                                工作电流mA

                                引线尺寸

                                D×Lmm

                                误差

                                工作温度

                                外形图

                                mm

                                PC1612

                                1.6×12

                                 

                                100Ω

                                 

                                5

                                0.20×10

                                A

                                 

                                B

                                 

                                -200600

                                 

                                -200850

                                PC1615

                                1.6×15

                                0.20×10

                                PC1625

                                1.6×25

                                0.20×10

                                PC2213

                                2.2×13

                                0.35×10

                                PC2215

                                2.2×15

                                PC2515

                                2.5×15

                                PC3015

                                3.0×15

                                PC3025

                                3.0×25

                                 

                                备注:承接各种非标阻值(PT45BA1BA2)和非标尺寸测温元件的定做

                                 

                                pt100的应用

                                石油倾点温度测试PT100温度传感器的标定

                                摘要:作者设计了直径为3mm、长为27cm 的Pt100型传感器,根据0.10℃刻度的温度测试仪作为标定标准,利用软件来矫正其非线形失真,该产品实现对石油倾点温度信号的采集和标定。
                                巨典棋牌 关键词: Pt100传感器;电桥测温;石油倾点


                                一、引言

                                石油倾点温度是指管道内凝固态的原油开始融解流动的*低温度。国际上测试规程要求每隔2℃就要对其流动情况进行判断并测温,但由于石油运输管线很长,原油每升温1℃需要大量能源,因此对倾点温度测量的精度对油田节能有重大意义。我们选用PT100温度传感器来完成对石油倾点温度的测量。


                                二、Pt100工作原理及其主要技术参数

                                Pt100传感器是利用铂电阻的阻值随温度变化而变化、并呈一定函数关系的特性来进行测温,其温度/阻值对应关系为[1]:
                                (1)-200℃<t<0℃时,RPt100=100[1+At+Bt2+Ct3(t-100)] (1)
                                (2)0℃≤t≤850℃时,RPt100=100(1+At+Bt2) (2)

                                SHIZHONG,A=3.90802×10-3;B=-5.80×10-7;C=4.2735×10-12。

                                Pt100WENDUCHUANGANQIDEZHUYAOJISHUCANSHURUXIA:CELIANGFANWEI:-200℃~+850℃;YUNXUPIANCHAZHI△℃:AJI±(0.15+0.002│t│), BJI±(0.30+0.005│t│);REXIANGYINGSHIJIAN<30s;*XIAOZHIRUSHENDU:REDIANZUDE*XIAOZHIRUSHENDU≥200mm;YUNTONGDIANLIU≤5mA。LINGWAI,Pt100WENDUCHUANGANQIHAIJUYOUKANGZHENDONG、WENDINGXINGHAO、ZHUNQUEDUGAO、NAIGAOYADENGYOUDIAN。

                                巨典棋牌SAN、QINGDIANWENDUCELIANGYUANLI:

                                1、YUANLIFANGKUANGTU

                                GENJUQINGDIANWENDUCESHIDEGUONEIWAIYAOQIU—WENDUMEIJIANG2℃JIUYAODUIYOUYANGDENINGJIEQINGKUANGJINXINGJIANCE,WOMENSHEJILECELIANGGUOCHENG(RUTU1)。

                                巨典棋牌2、DIANQIAOCAIJISHUJUDEDIANLUTUJIYUANLI

                                巨典棋牌Pt100DIANQIAODIANLURUTU2SUOSHI。QIZHONG,R1﹑R2﹑R3﹑RPt100ZUCHENGDIANQIAO,R1=R2=R3=R0。WEILEBIMIANLIUGUOPt100CHUANGANQIDEDIANLIUGUODASHIQIFAREJINERDAOZHIFEIXIANXINGSHIZHENZENGDA,DIANQIAODIANYABUYITAIGAO,YIBANYAOQIUIm<5mA,DIANQIAODIANYAVbrg=1V。DIANQIAOSHUCHUYACHAWEI:

                                VD= (3)

                                巨典棋牌LINGRPt100-R0=ΔR,ZEYOU:

                                VD= (4)

                                YOUPt100WENDU/ZUZHIDUIYINGGUANXISHIKEZHI,DANGWENDUJIAODISHI,Pt100DEZUZHIBIANHUALIANGΔRXIANGDUIYUR0JIAOXIAO,ZEDIANQIAOSHUCHUYACHAWEI: VD= ,JIVDZHENGBIYUPt100CHUANGANQIDEZUZHIBIANHUALIANGΔR,YESHUOMINGWENDUJIAODISHI,Pt100CHUANGANQIDEXIANXINGDULIANGHAO;DANGWENDUJIAOGAOSHI,ΔR/R0DEZHIJIAODA,Pt100CHUANGANQIDEXIANXINGDUBIANCHA,CISHIYAOYONGRUANJIANLAIJIAOZHENG。


                                巨典棋牌 四、测量中的定量计算及误差分析

                                1、YUNSUANFANGDAQIFANGDABEISHUDEQUEDING

                                巨典棋牌YOUCHUANGANQIDEWENDUHEZUZHIGUANXISHIKEZHI,DANGWENDUBIANHUA1℃SHI,Pt100DEZUZHIBIANHUAYUEWEI0.38W,DUIYINGDEDIANQIAOSHUCHUYACHAWEI:VD= =0.001V。

                                巨典棋牌RUOCAIYONG8WEIA/DZHUANHUANQI,FENBIANLVWEI0.0196V,ZEYUNSUANFANGDAQIDE*XIAOFANGDABEISHUYINGWEI20BEI。RUOCEWENDESHANGXIANDINGWEI85℃ (QINGDIANWENDUYIBANXIAOYUGAIWENDU), PtCHUANGANQIZAI85℃SHIDELILUNZUZHIWEI132.8W,DIANQIAODIANYAWEI1V,ZEVD= 0.08296V≈0.083V,JIYUNFANGDE*DAFANGDABEISHUWEI60.3。ZONGHESHANGSHU,KEXIANDINGYUNFANGDEFANGDABEISHUYINGZAI20~60ZHIJIAN。

                                2、WUCHAFENXI

                                巨典棋牌(1)QIAODIANYAVbrg=1VSHIBODONGCHANSHENGDEWUCHA[2]

                                巨典棋牌CONGSHANGMIANDEFENXIKEZHI,ZAIMOUYIWENDUSHI,Pt﹑R0BUBIAN,SHEDIANQIAODIANYAYOUΔVbrg(mV)DEBIANHUA,JIUHUIDAOZHIVDYOU (mV)DEBIANHUA。ZAI0℃SHI,ΔR=5W,ZEVD= =0.013ΔV(mV);RUOLINGΔVD=1mV,ZEΔV=76mV,JI0℃ZUOYOU,DIANQIAODIANYAVbrgYOU76mVBODONG,HUIYINQI1℃DEWENDUWUCHA;TONGLIZAI85℃ZUOYOU,DIANQIAODIANYAYOU10mVDEBODONG,ZEHUIYINQI1℃DEWENDUWUCHA。KEJIANDIANQIAODIANYAVbrg=1VSHIDEBODONGXISHUJIDUICEWENDAILAIDEWUCHASHIHENDADE,YINGJIANGQIDIANYABODONGXIANZHIZAI1mVDEJIBIESHANG。

                                (2)YUNFANGFEIXIANXINGCHANSHENGDEWUCHA

                                YOUYUYUNFANGDEFANGDABEISHUYINGZAI20~60ZHIJIAN,KEJIANGFANGDABEISHUDINGWEI50;RUOCEWENFANWEISHI0℃~85℃,ZEZAI0℃SHI,VD=13mV;ZAI85℃SHI,VD=99.5mV,SHUOMINGSHURUXINHAODEFANWEIZAI13mV~99.5mVZHIJIANBIANHUA。YIPINGJUNZHI50ZUOWEIFANGDABEISHU,CISHISHURUXINHAOWEI13mV,HUANSUANCHULAIDESHURUDIANYAXINHAOZHIWEI12.48mV,ΔVD=-0.52mV,JIANGHUIYINQIYUE1.5℃DEWUCHA。YOUCIKEJIANYUNFANGDEFEIXIANXINGJIANGHUIDAILAIDAYUE1.5℃DEWUCHA,ZAISHIJICELIANGZHONG,TIGAOYUNFANGXIANXINGDUYIJIYUNFANGFANGDABEISHUJUNKEYIJIANSHAOYOUYUNFANGDAILAIDEWUCHA。

                                (3)A/DZHUANHUANQIFEIXIANXINGDAILAIDEWUCHA

                                ZAISHIJIYINGYONGZHONGHUIFAXIAN,DUITONGYIMONISHURUXINHAOVi,JINGA/DZHUANHUANDECHUDESHUZILIANGHUIYOU±1WEIDETIAOBIAN,ZHEISHIYOUA/DZHUANHUANQIDEPANDUANWUCHAZAOCHENGDE。A/DZHUANHUANQIDEYIWEITIAOBIANDUIYINGDEDIANYAZHI,JIWEIGAIBAWEIA/DZHUANHUANQIDEFENBIANLV,WEI0.0196V=19.6mV;ZHESUANDAOSHURUDUANDUIYINGDEDIANYAZHIWEI0.392mV,JIANGHUICHANSHENG0.392℃DEWENDUWUCHA。

                                (4)A/DZHUANHUANQICANKAODIANYAVrefDAILAIDEWUCHA

                                A/DZHUANHUANQICAIYONGZHUCIBIJINSHIZHUANHUANQIAD0809,QIZHUANHUANSUDUJIAOMAN,RUGUOSHURUXINHAOZAIZHUANHUANGUOCHENGZHONGBUDUANBIANHUA,ZEYIFASHENGCUOWU,SHIYONGSHIYINGJIACAIYANGBAOCHIQI,QIEZHIDUIBENCICAIYANGDEXINHAOJINXINGZHUANHUAN,YIQUEBAOZHUANHUANXINHAOKEKAOXING。LINGWAI,ZAIBIJIAOZHUANHUANGUOCHENGZHONG,VrefDEBIANHUAHUIDUISHUCHUDEERJINZHIDAIMAYOUYINGXIANG。ZAIMONISHURUXINHAOBUBIANDEQINGKUANGXIA,RUOVrefBIANDA,HUIDAOZHISHUCHUDEERJINZHIDAIMABIANXIAO;FANZHI,ZEBIANDA,CONGERDAOZHILEWENDUWUCHA。


                                五、注意事项与结论

                                SHIYONGZHONGYINGZHUYI,YOUYUREDUOXINGHUISHIREDIANZUZUZHIBIANHUAZHIHOU,WEIXIAOCHUWUCHA,YINGJINKENENGDIJIANSHAOREDIANZUBAOHUGUANWAIJING,SHIDANGZENGJIAREDIANZUDECHARUSHENDUSHIREDIANZUSHOUREBUWEIZENGJIA。YAOJINGCHANGJIANCHABAOHUZHUANGKUANG,FAXIANYANGHUAHUOBIANXINGYINGLIJICAIQUCUOSHI,BINGDINGQIJINXINGXIAOYAN。REDIANZUYINGBIMIANFANGZHIZAILUPANGHUOJUJIARETITAIJIN,YINGJINLIANGANZHUANGZAIZHENDONGXIAODEDIFANG;TONGSHIWEIBIANYUSHIGONGHEWEIHU。ANZHUANGWEIZHIYINGJINKENENGBAOCHICHUIZHI,DANZAIYOUYUANYOULIUDONGSHIZEBIXUQINGXIEANZHUANG,JIEXIANHECHUKONGYINGXIANGXIA。

                                巨典棋牌YOUSHANGMIANDEFENXIKEDE,WEILETIGAOWENDUCELIANGDEZHUNQUEXING,YINGSHIYONG1VDIANQIAODIANYUAN﹑A/DZHUANHUANQIDE5VCANKAODIANYUANYAOWENDINGZAI1mVJI;ZAIJIAGEYUNXUDEQINGKUANGXIA,Pt100CHUANGANQI﹑A/DZHUANHUANQIHEYUNFANGDEXIANXINGDUYAOGAO。TONGSHI,LIYONGRUANJIANJIAOZHENGQIWUCHA,KEYISHICEDEWENDUDEJINGDUZAI±0.2℃。

                                ZAICPUDEYINGYONG

                                YIBANDEWENDUCHUANGANQI(WULUNSHIREMINDIANZUHUOICWENDUCHUANGANQI)DOUXUYAOHENZHANGDESHIJIANCAINENGGOUJIANGRECHUANDAODAOCHUANGANQIDEHEXINBUFEN。GENJUNationalNEIBUDESHIYANJIEGUO,CONGCPUBARECHUANDAODAOKONGQIZHONG,ZAICONGKONGQIZHONGCHUANDAODAOWENDUCHUANGANQIZHONG,ZHEIGEGUOCHENGZHISHAOXUYAO20FENZHONGYISHANGDESHIJIAN。RUGUOSANREPIAN(Heat Sink)MEIZHUANGHAOHUOFENGSHANMEIZHUAN,BUDAOERFENZHONGDESHIJIAN,SHIYONGZHEDECPUKENENGJIUHUISHAOHUI。

                                  SUOYI,CPUCHANGSHANG(IntelHEAMD)JIANGYIKE3904MAIRUXINPIANZHONG,WOMENCHENGZHEIKE3904WEIYUANCHENGERJIGUAN(Remote Diode),YINWEITALIWENDUCHUANGANQIBENSHENHENYUAN。YUSHIZAIDUANDUANJIGEHAOMIAO(mini-second)ZHONG,WENDUCHUANGANQIBIANNENG**DIZHENCEDAOCPUNEIBUDEWENDULE。XIANZAIDEJISHUYAONENGZUODAO1℃DE**DUYIJINGBUSHIHENNANDESHI,ERQIEHUIBIANCHENGPCHEBIJIBENJISUANJIDEYIGEZHONGYAODEQUSHI。

                                巨典棋牌  ZAILM86(TU1)DEYUNYONGSHILIZHONG,TONGCHANGT_CRIT_ADESHUCHUXINHAOYONGLAIZUOGUOWENDUBAOHUDEGONGNENG,WOMENCHENGZHIWEIREBAOHU(Thermal Shutdown)。HAOCHUSHIDANGWindowsHUOMOUYIGEYINGYONGCHENGXUZAOCHENGXITONGSIJISHI,LM86HAINENGBAOHUZHENGGEXITONG。ERAlertZHEIGESHUCHUXINHAOBIANKEYIZUOWEIRUANJIANZHONGDUAN,YIDADAOACPIGUIGEDEYAOQIU。LINGWAI,LM86CHULENENGJIEDAOCPUDERemote DiodeZHIWAI,BENSHENNEIBUHAIYOUYIKECHUANGANQI(sensor),KEYIGANCELM86SUOZAIDEWENDU。SUOYI,QIANMIANSUOTIDAODEPCDEXITONGWENDUHEBIJIBENJISUANJIDEDAOREGUAN,BIANKEYISHIYONGLM86DEBENDICHUANGANQILAIZHENCE,BUXUYAOZAIHUAEWAIDECHENGBENQUMAILINGWAIYIKEWENDUCHUANGANQI。

                                  * HUITUXINPIANHUO3DJIASUXINPIAN - LM26, LM88

                                  TONGCHANGHUITUXINPIANYESHIBUNENGBEIJIANGPINLAIZHIXINGDE,FOUZEHUAMIANHUIBIANCHENGMANDONGZUOBOFANGYIBAN。NEI*HAODEFANGFAHAISHIJIAYISANREFENGSHAN。ZAIZHEILIJIUYOULIANGGEFANGSHILAIJIHUOHEGUANBIFENGSHANLE,**GESHIBIANYIDEZUOFA,YONGLM26LAIZHENCEWENDU(RUTU2),DENGDADAOMOUYIGEJIEXIANSHIBIANJIHUOFENGSHAN,RUOWENDUJIANGXIALAILE,BIANZIDONGGUANBIFENGSHAN。DIERSHICAILM88LAISHEJISHIMAODE4DUANBIANSUFENGSHANKONGZHIQI(RUTU3),RANGBUTONGWENDUDEZHUANGKUANGNENGGOUYOUBUTONGDEZHUANSU。

                                  * Power MOSFET - LM26

                                巨典棋牌  WULUNSHIPCDEDIANYUANGONGYINGQIHUOZHESHIBIJIBENJISUANJIZHONGDEDC-DCZHUANHUANMOKUAI,NEIBUDOUHUIYOUYIKEHENTANGDEPower MOSFET。SUIRANDIANYUANBUFENDOUYOUYIGEFENGSHANSUISHIZAIZHUANDONG,DANSHIWOMENBIXUSHEXIANGYIJIANSHI:WANYIFENGSHANHUAIDIAOLE,HUOZHENEIBUDIANLUYOUFASHENGDUANLUDESHIHOU,ZENMEBAN?LIYONGLM26DEGUOWENDUBAOHUGONGNENG,ZAIJIXIANWENDUSHINENGGOUZIDONGGUANBIDIANYUANERDADAOGUANBI(Shutdown)HUOSHENZHIHUIFU(Recovery)DEGONGNENG。

                                巨典棋牌  * PCMCIA - LM88

                                巨典棋牌  LM88BENSHENBINGBUBEISHEJILAIZUOWEIFENGSHANDE4DUANBIANSUKONGZHIQI,ERSHINENGTONGSHIZHENCEERGEDAICEWU。YIBANBIJIBENJISUANJIDEPCMCIACHACAODOUYOULIANGGE,SUOYILM88SHIYONGLAIZHENCEPCMCIADE*JIAXUANZE。YOUYULM88BUXUYAOYONGRUANJIANLAIKONGZHI,SUOYIWOMENBUYONGDANXINWindowsSIJIHUOLANPINGMU(Blue Screen)DEWENTI。

                                虽然在过去的PC和笔记本计算机中,温度传感器并不起眼,也没有工程师会去注意它的重要性,更不用说使用者能感觉到它的存在。但是,对整个系统这些重要芯片来说,它是很重要的保护者,尤其是当系统愈来愈高速且愈来愈热之后,它的重要性也会更加明显,并且能左右系统的稳定性。希望本文能够带给读者一个清晰的印象,究竟温度传感器在PC系统中是扮演哪些角色?也希望工程师在验证系统稳定性时,不妨考虑一下温度传感器的一些重要参数和功用。

                                 

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