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智能压力变送器怎么选型与工作原理详解

文章出处:华仁仪表 发表时间:2019-02-23 10:57

 智能压力变送器由智能传感器和智能电子板两部分组成,智能传感器部分包括:电容式传感器、测量膜片检测电路、温度传感器和温度补偿电路等组成;智能电子板板部分包括:微电脑控制器及外围电路组成,完成压力信号到4~20mA dc 的转换。用于测量液体、气体或蒸汽的压力,然后将压力信号转变成4~20mA DC信号输出。西森自动化生产的智能压力变送器亚博足球app可与HART手操器相互通讯,通过它进行设定,调整压力范围,监控或与上位机组成现场监控系统,它广泛应用于工业管道中弱腐蚀性液体、气体、蒸汽的测量和控制系统。

1、 智能压力变送器特点

  1. ZHINENGYITIHUASHEJI:JIYALIXINHAOCAIJI、CHULI、XIANSHIHESHUCHUYUYITI。

  2. WEIGONGHAOSHUANGDIANYUANSHEJI,KEKAOXINGGAO。

  3. JUYOUDUTEDEDONGTAIZIDONGGENZONGWENDUBUCHANGGONGNENG。

亚博足球app   4. JUYOURUANJIANXIUZHENGLINGDIANPIAOYIGONGNENG。

  5. SHANG、XIAXIANBAOJINGJIYISHANGUANGZHISHIGONGNENG。

  6. YALIMANLIANGCHENGRUANJIANSHEZHIQIANYIGONGNENG。

  7. DIDIANYUANZIZHENDUANGONGNENG。

亚博足球app   8. JUYOUDUANDIANBAOHUGONGNENG。

 2、智能压力变送器的原理

  智能压力变送器的原理是指被测介质的两种压力通入高、低两压力室,作用在δ元件(即敏感元件)的两侧隔离膜片上,通过隔离片和元件内的填充液传送到测量膜片两侧。测量膜片与两侧绝缘片上的电极各组成一个电容器。当两侧压力不一致时,致使测量膜片产生位移,其位移量和压力差成正比,故两侧电容量就不等,通过振荡和解调环节,转换成与压力成正比的信号。和绝对的工作原理和差压变送器相同,所不同的是低压室压力是大气压或真空。

 3、智能压力变送器的常见故障

  (1)BIANSONGQIDELINGDIANFUYI(WUDAIMA)。CHULI:TINGBIAO、PAIKONG,JINXINGLINGDIANXIAOZHUN。

  (2)BIANSONGQIDELIANGCHENGFUYI(WUDAIMA)。CHULI:TINGBIAO、PAIKONG,JINXINGLIANGCHENGXIAOZHUN。

亚博足球app   (3)BIANSONGQICHUCUOEr07,Er09,Er10 BAOJING(CHAOXIANBAOJING)。CHULI:

  ①QUERENGONGYISHENGCHANQINGKUANGSHIFOUCHAOCHUYIBIAOSHANG、XIAXIAN,TINGBIAO、PAIKONG、XIAOZHUN。

  ②JIANCHABIANSONGQIDENEIBUZUTAILRV、HRV SHIFOUZAIYAOQIUDESHEDINGFANWEINEI,FOU ZEJINXINGXIUGAI。

亚博足球app   ③JIANCHABIANSONGQISHIFOUYOUDANXIANGSHOUYAHUOMOHEBIANXINGSUNHUAI。

  ④JIANCHADAOYAGUANYOUWUXIELOU、DUSAI。

  ⑤JIANCHABIANSONGQI+、-DUANZIDUIBIAOTIDEJUEYUANQINGKUANGSHIFOUWANHAO。

亚博足球app   (4)BIANSONGQIZHISHIPIANDIHUOPIANGAO(WUDAIMA)。CHULI:

亚博足球app   ①JIANCHADAOYAGUANYOUWUXIELOUHUODUSAI。

  ②JIANCHAHUOGENGHUANBIANSONGQIFANGDA/ZHUANHUANBAN。

  ③JIANCHADAOYAGUANJIEZHISHIFOUHENZANG。

  ④DUIDAIYOUQIANYIBIANSONGQIDEZHENGFUDAOYAGUANSHIFOUQUANBUCHONGMANYETI。

 4、智能压力变送器的选型

  1、ZHINENGCHAYABIANSONGQIYAOCELIANGSHENMEYANGDEYALI:XIANQUEDINGXITONGZHONGYAOQUERENCELIANGYALIDEZUIDAZHI,YIBANERYAN,XUYAOXUANZEYIGEJUYOUBIZUIDAZHIHAIYAODA1.5BEIZUOYOUDEYALILIANGCHENGDEBIANSONGQI。ZHEIZHUYAOSHIZAIXUDUOXITONGZHONG,YOUQISHISHUIYACELIANGHEJIAGONGCHULIZHONG,YOUFENGZHIHECHIXUBUGUIZEDESHANGXIABODONG,ZHEIZHONGSHUNJIANDEFENGZHINENGPOHUAIYALICHUANGANQI,CHIXUDEGAOYALIZHIHUOSHAOWEICHAOCHUBIANSONGQIDEBIAODINGZUIDAZHIHUISUODUANCHUANGANQIDESHOUMING,RANER,YOUYUZHEIYANGZUOHUIJINGDUXIAJIANG。YUSHI,KEYIYONGYIGEHUANCHONGQILAIJIANGDIYALIMAOCI,DANZHEIYANGHUIJIANGDICHUANGANQIDEXIANGYINGSUDU。SUOYIZAIXUANZEBIANSONGQISHI,YAOCHONGFENKAOLVYALIFANWEI,JINGDUYUQIWENDINGXING。

  2、BIANSONGQIDEYALIJIEZHI:WOMENYAOKAOLVDESHIYALIBIANSONGQISUOCELIANGDEJIEZHI,NIANXINGYETI、NIJIANGHUIDUSHANGYALIJIEKOU,RONGJIHUOYOUFUSHIXINGDEWUZHIHUIBUHUIPOHUAIBIANSONGLVZHONGYUZHEIXIEJIEZHIZHIJIEJIECHUDECAILIAO。YISHANGZHEIXIEYINSUJIANGJUEDINGSHIFOUXUANZEZHIJIEDEGELIMOJIZHIJIEYUJIEZHIJIECHUDECAILIAO。YIBANDEYALIBIANSONGQIDEJIECHUJIEZHIBUFENDECAIZHICAIYONGDESHI316BUXIUGANG,RUGUONIDEJIEZHIDUI316BUXIUGANGMEIYOUFUSHIXING,NEIMEJIBENSHANGSUOYOUDEYALIBIANSONGQIDOUSHIHENIDUIJIEZHIYALIDECELIANG.RUGUONIDEJIEZHIDUI316BUXIUGANGYOUFUSHIXING,NEIMEWOMENJIUYAOCAIYONGHUAXUEMIFENG,ZHEIYANGBUDANQIDAOKEYICELIANGJIEZHIDEYALI,YEKEYIYOUXIAODEZUZHIJIEZHIYUYALIBIANSONGQIDEJIEYEBUFENDEJIECHU,CONGERQIDAOBAOHUYALIBIANSONGQI,YANZHANGLEYALIBIANSONGQIDESHOUMING.

亚博足球app   3、BIANSONGQIXUYAODUODADEJINGDU:JUEDINGJINGDUDEYOU,FEIXIANXING,CHIZHIXING,JIDIANSHANGWUWANGFEIZHONGFUXING,WENDU、LINGDIANPIANZHIKEDU,WENDUDEYINGXIANG。DANZHUYAOYOUFEIXIANXING,CHIZHIXING,FEIZHONGFUXING,JINGDUYUEGAO,JIAGEYEJIUYUEGAO。MEIYIZHONGDIANZISHIDECELIANGJIDOUHUIYOUJINGDUWUCHADE,DANSHIYOUYUGEGEGUOJIASUOBIAODEJINGDUDENGJISHIBUYIYANGDE,BIRU,ZHONGGUOHEMEIGUODENGGUOJIABIAODEJINGDUSHICHUANGANQIZAIXIANXINGDUZUIHAODEBUFEN,YEJIUSHIWOMENTONGCHANGSUOSHUODECELIANGFANWEIDE10%DAO90%ZHIJIANDEJINGDU;EROUZHOUBIAODEJINGDUZESHIXIANXINGDUZUIBUHAODEBUFEN,YEJIUSHIWOMENTONGCHANGSUOSHUODECELIANGFANDE0DAO10%YIJI90%DAO100%ZHIJIANDEJINGDU.RUOUZHOUBIAODEJINGDUWEI1%,ZEZAIZHONGGUOBIAODEJINGDUJIUWEI0.5%.

  4、BIANSONGQIDEWENDUFANWEI:TONGCHANGYIGEBIANSONGQIHUIBIAODINGLIANGGEWENDUFANWEI,JIZHENGCHANGCAOZUODEWENDUFANWEIHEWENDUKEBUCHANGDEFANWEI。ZHENGCHANGCAOZUOWENDUFANWEISHIZHIBIANSONGQIZAIGONGZUOZHUANGTAIXIABUBEIPOHUAIDESHIHOUDEWENDUFANWEI,ZAICHAOCHUWENDUBUFANWEISHI,KENENGHUIDABUDAOQIYINGYONGDEXINGNENGZHIBIAO。WENDUBUCHANGFANWEISHIYIGEBICAOZUOWENDUFANWEIXIAODEDIANXINGFANWEI。ZAIZHEIGEFANWEINEIGONGZUO,BIANSONGQIKENDINGHUIDADAOQIYINGYOUDEXINGNENGZHIBIAO。WENDUBIANCONGLIANGFANGMIANYINGXIANGZHEQISHUCHU,YISHILINGDIANPIAOYI;ERSHIYINGXIANGMANLIANGCHENGSHUCHU。RU:MANLIANGCHENGDE+/-X%/℃,DUSHUDE+/-X%/℃,ZAICHAOCHUWENDUFANWEISHIMANLIANGCHENGDE+/-X%,ZAIWENDUBUCHANGFANWEINEISHIDUSHUDE+/-X%,RUGUOMEIYOUZHEIXIECANSHU,HUIDAOZHIZAISHIYONGZHONGDEBUQUEDINGXING。BIANSONGQISHUCHUDEBIANHUADAODUSHIYOUYALIBIANHUAYINQIDE,HAISHIYOUWENDUBIANHUAYINQIDE。WENDUYINGXIANGSHILEJIERUHESHIYONGBIANSONGQISHIZUIFUZADEYIBUFEN。

亚博足球app   5、BIANSONGQIXUYAODEDAOZENYANGDESHUCHUXINHAO:mV、V、mAJIPINLVSHUCHUSHUZISHUCHU,XUANZEZENYANGDESHUCHUQUJUEYUDUOZHONGYINSU,BAOKUOBIANSONGQIYUXITONGKONGZHIQIHUOXIANSHIQIJIANDEJULI,SHIFOUCUNZAI“ZAOSHENG”HUOQITADIANZIGANRAOXINHAO。SHIFOUXUYAOFANGDAQI,FANGDAQIDEWEIZHIDENG。DUIYUXUDUOBIANSONGQIHEKONGZHIQIJIANJULIJIAODUANDEOEMSHEBEI,CAIYONGmASHUCHUDEBIANSONGQIZUIWEIJINGJIERYOUXIAODEJIEJUEFANGFA,RUGUOXUYAOJIANGSHUCHUXINHAOFANGDA,ZUIHAOCAIYONGJUYOUNEIZHIFANGDADEBIANSONGQI。DUIYUYUANJULICHUANSHUCHUHUOCUNZAIJIAOQIANGDEDIANZIGANRAOXINHAO,ZUIHAOCAIYONGmAJISHUCHUHUOPINLVSHUCHU。RUGUOZAIRFIHUOEMIZHIBIAOHENGAODEHUANJINGZHONG,CHULEYAOZHUYIDAOYAOXUANZEmAHUOPINLVSHUCHUWAI,HAIYAOKAOLVDAOTESHUDEBAOHUHUOGUOLVQI。(YOUYUGEZHONGCAIJIDEXUYAO,SHICHANGSHANGYALIBIANSONGQIDESHUCHUXINHAOYOUHENDUOZHONG,ZHUYAOYOU4...20mA,0...20mA,0...10V,0...5VDENGDENG,DANSHIBIJIAOCHANGYONGDESHI4...20mAHE0...10VLIANGZHONG,ZAIWOSHANGMIANJUDEZHEIXIESHUCHUXINHAOZHONG,ZHIYOU4...20mAWEILIANGXIANZHI,WOMENSUOSHUODESHUCHUWEIJIXIANZHIBUBAOHANJIEDIHUOPINGBIXIAN,QITADEJUNWEISANXIANZHI)

  6、XUANZEZENYANGDELICIDIANYA:SHUCHUXINHAODELEIXINGJUEDINGXUANZEZENMEYANGDELICIDIANYA。XUDUOFANGDABIANSONGQIYOUNEIZHIDEDIANYADIAOJIEZHUANGZHI,YINCIQIDIANYUANDIANYAFANWEIJIAODA。YOUXIEYISONGQISHIDINGLIANGPEIZHI,XUYAOYIGEWENDINGDEGONGZUODIANYA,YINCI,NENGGOUDEDAODEYIGEGONGZUODIANYAJUEDINGSHIFOUCAIYONGDAIYOUDIAOJIEQIDECHUANGANQI,XUANZECHUANSONGQISHIYAOZONGHEKAOLVGONGZUODIANYAYUXITONGZAOJIA。

亚博足球app   7、SHIFOUXUYAOJUBEIHUHUANXINGDEBIANSONGQI:QUEDINGSUOXUDEBIANSONGQISHIFOUNENGGOUSHIYINGDUOGESHIYONGXITONG。YIBANLAIJIANG,ZHEIYIDIANHENZHONGYAO。YOUQISHIDUIYUOEMCHANPIN。YIDANJIANGCHANPINSONGDAOKEHUSHOUZHONG,NEIMEKEHUYONGLAIXIAOZHUNDEHUAXIAOSHIXIANGDANGDADE。RUGUOCHANPINJUYOULIANGHAODEHUHUANXING,NEIMEJISHISHIGAIBIANSUOYONGDEBIANSONGQI,YEBUHUIYINGXIANGZHENGGEXITONGDEXIAOGUO。

亚博足球app   8、BIANSONGQICHAOSHIGONGZUOHOUXUYAOBAOCHIWENDINGDU:DABUFENBIANSONGQIZAIJINGGUOCHAOSHIGONGZUOHOUHUICHANSHENG“PIAOYI”,YINCIHENYOUBIYAOZAIGOUMAIQIANLEJIEBIANSONGQIDEWENDINGDU,ZHEIZHONGYUXIANDEGONGZUONENGJIANSHAOJIANGLAISHIYONGZHONGHUICHUXIANDEZHONGZHONGMAFAN。

  9、BIANSONGQIDEFENGZHUANG:BIANSONGQIDEFENGZHUANG,YOUQIWANGWANGRONGYIHULVESHITADEJIJIA,RANERZHEIYIDIANZAIYIHOUSHIYONGZHONGHUIZHUJIANBAOLUCHUQIQUEDIAN。ZAIXUANGOUCHUANSONGQICHUANYIDINGYAOKAOLVDAOJIANGLAIBIANSONGQIDEGONGZUOHUANJING,SHIDURUHE,ZENYANGANZHUANGBIANSONGQI,HUIBUHUIYOUQIANGLIEDEZHUANGJIHUOZHENDONGDENG。

亚博足球app   10、ZAIBIANSONGQIYUQITADIANZISHEBEIJIANCAIYONGZENYANGDELIANJIE:SHIFOUXUYAOCAIYONGDUANJULILIANJIE?RUOSHICAIYONGZHANGJULILIANJIE,SHIFOUXUYAOCAIYONGYIGELIANJIEQI?

亚博足球app   11、QITA:WOMENQUEDINGSHANGMIANDEYIXIECANSHUZHIHOUHAIYAOQUERENNIDEYALIBIANSONGQIDEGUOCHENGLIANJIEJIEKOUYIJIYALIBIANSONGQIDEGONGDIANDIANYA;RUGUOZAITESHUDECHANGHEXIASHIYONGHAIYAOKAOLVFANGBAOYIJIFANGHUDENGJI。

此文关键字:智能,压力,变送器,怎么,选型,与,工作,原理,
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