排列三和值走势图

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排列三和值走势图 0517-86996066

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导波雷达液位计-苯乙烯生产中常见问题解决办法


文章日期:2018-12-17|阅读数:次


ZHAIYAO:TONGGUOFENXIDAOBOLEIDAYEWEIJIZAIBENYIXIZHUANGZHISHIYONGZHONGCUNZAIDEWENTI,YOUZHENDUIXINGDITICHULEJIEJUEBANFA。

排列三和值走势图   DAOBOLEIDAYEWEIJIYIDAOBOGAN( LAN) JIEGOUZUOWEICHUANSHUJIEZHI,JUYOUXINHAOSUNHAOXIAO、HUIBOZHILIANGGAOJINENGHAOSUNSHIDIDENGZHUDUOYOUDIAN,CELIANGXIAOGUOBUSHOUZHENKONG、MIDUBIANHUA、YALIBIANHUA、JULIEDEKONGQILIUDONGJIJULIEDEWENDUBIANHUADENGYINGXIANG,TONGSHIDUIFENCHENHUANJINGHEHUIFAXINGYETIDEQIXIANGCHENGFEN、WULIAOBIAOMIANDEBODONG、PAOMOHEZHANGAIWUXIANGDUIBUMINGAN[1],HAIKECELIANGJIEWEI。JIYUSHANGSHUZHUDUOYOUSHI,DAOBOLEIDAYEWEIJIZAIHUANBAO、HUAGONG、SHIYOU、SHIPIN、YIYAO、ZAOZHI、SHUICHULI、DIANLI、SHUINI、MEIFENJISULIAODENGLINGYUHUOXINGYEYINGYONGGUANGFAN。

  BENYIXIDESHENGCHANGUOCHENGJUYOUGAOZHENKONGJIYIJUHEDENGTEDIAN,WEICI,SHANXIYANZHANGSHIYOU( JITUAN) YOUXIANZERENGONGSIYANANLIANYOUCHANGBENYIXIZHUANGZHIZAICHUGUANJITAQIDENGYEWEICELIANGDESHEJIZHONG,DALIANGCAIYONGDAOBOLEIDAYEWEIJILAISHIXIANXIANGGUANYEWEIDEJIAOZHUNQUECELIANG。DANSHI,DAOBOLEIDAYEWEIJIZAIBENYIXIZHUANGZHISHIYONGZHONGCUNZAIYIXIEWENTI,BIZHEZAIZIXIFENXIYUANYINZHIHOU,YOUZHENDUIXINGDITICHULEJIEJUEBANFA。

1、导波雷达液位计的工作原理:

  LEIDAYEWEIJICAIYONGSHIYUFANSHEYUANLI( Time Domain Reflectometry,TDR) ,DIANCIMAICHONGYIGUANGSUYANGANGLANHUODAOBOGAN( LAN) CHUANBO,DANGYUDAOBEICEJIEZHIBIAOMIANSHI,BUFENMAICHONGBEIFANSHEXINGCHENGHUIBOBINGYANXIANGTONGLUJINGFANHUIDAOMAICHONGFASHEZHUANGZHI,FASHEZHUANGZHIYUBEICEJIEZHIBIAOMIANDEJULITONGMAICHONGZAIQIJIANDECHUANBOSHIJIANCHENGZHENGBI,JINYIBUJISUANFASHEMAICHONGHEHUIBOMAICHONGDESHICHAJIUNENGDEDAOFASHEDIANLUDAOGAIJIEZHIJIECHUDIANDEJULI[2,3]。XINGCHENGSHIJIANYUANLI( TOF) : FASHECHUYIGEJIXIEBOHUODIANCIBO,GAIBOYIBOSUCJINXINGCHUANBO,BOZAIJIEZHIBIAOMIANBEIFANSHE,JIESHOUFANSHEBO,CELIANGYUNXINGSHIJIANT, JISUANJIESHOUZHONGXINYUFANSHEBIAOMIANDEJULID = T × C /2。

  DAOBOLEIDAYEWEIJICAIYONGTDRYUANLIYUDENGXIAOSHIJIANCAIYANG( Equivalent Time Sampling,ETS) JISHU,CELIANGFASHEYUFANSHEMAICHONGZHIJIANDESHIJIANCHA,TONGGUODENGXIAOSHIJIANCAIYANGJISHUJIANGNAMIAOJIDECHUANDAOSHIJIANFANGDAWEIHAOMIAOJI,CAIYONGYOUHUADESHIBIESUANFAJINXINGCHULI,DUIXUJIAHUIBOJINXINGYOUXIAOYIZHIHEPINGBI,CONGERDADAOCELIANGDEMUDE。

2、导波雷达液位计的优缺点:

  CHANGJIANDEHUIBOFAYEWEIYIBIAOYOU: CHAOSHENGBOWUWEIJI、FEIJIECHULEIDAJIDAOBOLEIDADENG。

排列三和值走势图   CHAOSHENGBOSHIJIXIEBO,JIXIEBOZAICHUANBOGUOCHENGZHONGHUISHOUDAOCHUANBOJIEZHIWENDINGCHENGDUDEYINGXIANG。YINQIKONGQIBODONGDEYINSUHENDUO,RUFENCHEN、QILANG、ZHENGQIJILIAOLIUDENG,TONGSHIHUIJIANGDIHUIBOZHILIANG,ZHISHIYEWEIJIHENNANSHIBIECHUYOUXIAOHUIBO,ZHIJIEYINGXIANGCELIANGXIAOGUO。CHAOSHENGBOZAIXIANCHANGYINGYONGSHIYAOKAOLVBEICEJIEZHIDEKONGJIANZHUANGTAIHEBIAOMIANZHUANGTAI,DANGFENCHENJIQILANGDENGXIANXIANGYANZHONGSHI,JIANYIYONGDIPINCHAOSHENGBOWUWEIJI。

  RadarYICILAIYUANYUWUXIANDIANTANCEHECEJU( Radio Detection and Ranging) ,YINFEIJIECHUSHILEIDAWUWEIJIFASHEHEJIESHOUDESHIDIANCIBO,XIANGBICHAOSHENGBOYEWEIJIYOUZHUDUOYOUDIAN,JIJINGDUGAOQIESHIYONGFANWEIGUANGDENG,ERQIEFASHEYUJIESHOUJUNBUYUCELIANGJIEZHIJIECHU; GAOPINDIANCIBOYIYUZHANGJULICHUANSHU,KECELIANGDALIANGCHENG; CELIANGBUSHOUYEMIANSHANGBUKONGJIANQIXIANGTIAOJIANBIANHUADEYINGXIANG。LEIDAYEWEIJIFASHEHEJIESHOUGAOPIN ( GHz) DIANCIBO,TONGGUOJISUANFASHEBOHEHUIBOSHIJIANJINXINGYEWEICELIANG,YUCHAOSHENGBOYEWEIJIXIANGBIYOUDIANTUCHU: CHAOSHENGBOYEWEIJISHENGNASUOFACHUDESHENGBOSHIYIZHONGTONGGUODAQICHUANBODEJIXIEBO,DAQICHENGFENHUIYINQISHENGSUDEBIANHUA,RUYETIZHENGFAQIHUAHUIGAIBIANSHENGBODECHUANBOSUDU,CONGERYINQICHAOSHENGBOYEWEICELIANGDEWUCHA,DIANCIBOKEZAIQITIJIEZHIZHONGCHUANBO,BINGQIEQITIDEBODONGBIANHUABUYINGXIANGDIANCIBODECHUANBOSUDU,GULEIDAYEWEIJIJIUYOULEGENGJIAGUANGFANDEYINGYONGKONGJIAN。

  DAOBOLEIDAYEWEIJIZEMIBULELEIDACELIANGYEWEIZHONGDEQUEXIAN,LEIDAYEWEIJI + DAOBOGAN( LAN) = DAOBOLEIDAYEWEIJI,DAOBOLEIDAYEWEIJIDUOLEYIGENENGDINGXIANGJIZHONGCHUANSHUDIANCIBODEDAOBOTI,WEIXINHAOZHIYEMIANWANGFANCHUANSHUTIGONGLEYITIAOGAOXIAOTONGDAO,DAOBOLEIDASHUCHUDAOTANTOUDEXINHAONENGLIANGFEICHANGXIAO,YUEWEICHANGGUILEIDAFASHENENGLIANG( 1. 0MW) DE10% ( YUE0. 1MW)[4],XINHAOSHUAIJIANBAOCHIZAI***XIAOCHENGDU,YINERBUNENGYONGYUCELIANGJIEDIANCHANGSHUHENDI( XIAOYU1. 4) DEYETI。 CIWAIYOUYUDAOBOLEIDAHAONENGXIAO,CAIYONGHUILUGONGDIANERBUSHIDANDUDEJIAOLIUGONGDIAN,CONGERJIESHENGLEANZHUANGFEIYONG。PUTONGLEIDAWEIFEIJIECHUSHICELIANG,DAOBOLEIDAWEIJIECHUSHICELIANG,ZHEIYANGJIUYIWEIZHEDAOBOLEIDAGENGXUYAOKAOLVJIEZHIDEFUSHIXINGHEZHANFUXING,ERQIEGUOZHANGDEDAOBOLEIDALANSHENGANZHUANGHEWEIHUXIANGDUIKUNNAN。CELIANGGUTIWULIAOSHI,DAOBOLEIDAHAIYAOKAOLVDAOBOGAN( LAN) DESHOULIQINGKUANG,YESHIYOUYUSHOULIDEYUANYINYIBANYONGDAOBOLEIDADECELIANGJULIBUHUIHENZHANG。ZAIYIXIETESHUGONGKUANGDAOBOLEIDAYOUMINGXIANYOUSHI,RUGUANNEIYOUJIAOBANQIEJIEZHIBODONGDADEGONGKUANG,YONGDIBUGUDINGDEDAOBOLEIDACELIANGYAOBIBIANTONGLEIDAWENDING; HAIYOUXIAOGUANTINEIDEWUWEICELIANG,YOUYUANZHUANGCELIANGKONGJIANXIAO( HUOGUANNEIGANRAOWUJIAODUO)[5],YIBANPUTONGLEIDABUSHIYONG,ZHEISHIDAOBOLEIDADEYOUSHIJIUXIANXIANCHULAILE; HAIYOUDIJIEDIANCHANGSHUDEGONGKUANG,WULUNLEIDAHAISHIDAOBOLEIDACELIANGYUANLIDOUSHIJIYUJIEZHIJIEDIANCHANGSHUDECHABIE,YOUYUPUTONGLEIDAFASHEDEBOSHIFASANDE,DANGJIEZHIJIEDIANCHANGSHUGUODISHI,XINHAOTAIRUOCELIANGBUWENDING,ERDAOBOLEIDABOSHIYANDAOBOGAN ( LAN) CHUANBOXINHAODE,YINERXIANGDUIWENDING; LINGWAIYIBANDEDAOBOLEIDAHAIYOUDIBUTANCEGONGNENG,DAOBOLEIDAYEWEIJIKEYIGENJUDIBUHUIBOXINHAOXIUZHENGCELIANGJIEGUO,SHIXINHAOGENGWEIWENDINGZHUNQUE。

3、应用实例:

ZAIDAOBOLEIDADEYINGYONGZHONG,***HAONENGTONGGUOZHUANMENDEZUTAIRUANJIANWANCHENGZUTAIHEFENXI,BIRUE + HDEField CareHUORosemountDERadar Master,TONGGUOFENXIHUIBOQUXIAN,NENGGOUZHIGUANJIANCHALEIDAYEWEIJIDEGONGZUOZHUANGKUANG。

3.1、安装:

排列三和值走势图 SHANXIYANZHANGSHIYOU( JITUAN) YOUXIANZERENGONGSIYANANLIANYOUCHANGBENYIXIZHUANGZHIWUYOUGUANSHANGANZHUANGDAOBOLEIDAYEWEIJIHOU,YIZHICUNZAIYEWEIBODONGDADEWENTI。QICHUPAICHAWENTIDEJIAODIANYIZHIZAICANSHUDESHEZHISHANG,KESHIDUOCIDIAOZHENGXIANGGUANCANSHUERWENTIRENGWEIDEDAOCHEDIJIEJUE。TONGGUOGUANCHAGAILEIDADEHUIBOQUXIAN,FAXIANLEIDAYEWEIJIDAOBOGAN( LAN) MODUANYOUQIANGLIEDEZHENGXIANGHUIBOXINHAO,RUTU1SUOSHI,BINGQIEZAIANZHUANGFALANCECUNZAIYICHANGDECANKAOHUIBO,JINGFENXIZHEIJIUSHIDAOZHIDAOBOLEIDAYEWEIJIBUNENGZHENGCHANGGONGZUODEYUANYIN。

图1 改变安装方式前的回波曲线

TU1 GAIBIANANZHUANGFANGSHIQIANDEHUIBOQUXIAN

WENTIZHAODAOHOU,DUIGAIYIBIAODEANZHUANGDUANGUANJINXINGLEKUOJING,YOUYUANLAIDEDN40mmGAIWEIDN80mm,YICHANGCANKAOHUIBOXINHAOXIAOSHI。DUIYUDIBUYICHANGZHENGXIANGHUIBO,SHIYINWEIDAOBOLEIDAYEWEIJIMODUANYURONGQINEIBANREPANGUANXIANGJIECHU, CHANSHENGLEXINHAOJIEDI,ZHISHILEIDABOYURONGQICUNZAIXINHAODUANLU,CONGERCHANSHENGQIANGLIEDEZHENGXIANGHUIBO,ZAIYUGONGYIQUERENHOU, JIANGDAOBOLEIDAYEWEIJIDEDAOBOGAN( LAN) JIEDUAN,DIAOSHITOUYUNHOUDEHUIBOQUXIANRUTU2SUOSHI,HUIBOQUXIANDADAOLIXIANGZHUANGKUANG,GUANTIYEWEIZHISHIZHUNQUE。

图2 改变安装方式后的回波曲线

排列三和值走势图 TU2 GAIBIANANZHUANGFANGSHIHOUDEHUIBOQUXIAN

3.2、杂波干扰的处理:

排列三和值走势图 DAOBOLEIDAYEWEIJIJIESHOUDAODEXINHAOYOUXIESHIRONGQINEIZHANGAIWUHUODUOCIHUIBOCHANSHENGDEZABO,ZHEIXIEZABOXINHAOYEHUISUIZHEYEWEIDEBIANHUAERBIANHUA,CONGERCHANSHENGXUJIAYEWEI,RUTU3SUOSHI。

图3 调整回波阈值前的回波曲线

TU3 DIAOZHENGHUIBOYUZHIQIANDEHUIBOQUXIAN

ZHEIXIEGANRAOHUOZABOXINHAOKEYITONGGUOGANRAOBOXINHAOYUZHIJINXINGTICHU,SHIDANGDIAOZHENGHUIBOYUZHI,JIANGHUIBOYUZHITAISHENGZHISHIJIYEWEIHUIBOXINHAOQIANGDUDEYIBANZUOYOU,YIXIAOCHUHEPINGBIZABOGANRAO,BAOZHENGZHENSHIYEWEIXINHAONENGGOUBEISHIBIECHULAI,RUTU4SUOSHI。

图4 调整回波阈值后的回波曲线

TU4 DIAOZHENGHUIBOYUZHIHOUDEHUIBOQUXIAN

3.3、底部回波算法的原理与应用:

  DIANCIBOZAICHUANYUEKONGQIHEYETISHI,QICHUANBOSUDUHUIFASHENGBIANHUA,ZHEIJIUSHIDEZAIHUIBOQUXIANTUZHONGKANDAODEDAOBOGAN( LAN) DEMODUANZHANGDUHUIBISHIJIZHANGDUYAOZHANG,JICUNZAIMODUANPIANYILIANG( End of Probe-shift,EOP-shift) ,RUTU5SUOSHI。LIYONGZHEIYIXIANXIANG,JISHIHUIBOXINHAOHENWEIRUO,WUWEILYEKETONGGUOMODUANHUIBOXINHAO ( EOP-signal) DEJISUANDEDAO,SHIDAOBOLEIDADEYINGYONGGENGJIAGUANGFAN[6]。ZAIEOP-shiftHEWUWEIZHIJIANCUNZAIRUXIAGUANXI:

计算公式

 

排列三和值走势图   QIZHONGMODUANHUIBOXIELVEOP-slope( End of Probeslop) SHIYIGEYUJIEZHIJIEDIANCHANGSHU ε YOUGUANDELIANG ( ε = ( EOP-slope + 1)2) 。RUOWUWEIXINHAOHEEOP-signalKEYIBEIJIANCEDAO,NEIMEEOP-slopeJIUKEYIBUJIANDUANDIZHONGFUJISUAN,DANGHUIBOXIAOSHISHIWUWEIJIUKEYITONGGUOSHI( 1) JISUANDEDAO。

图5 末端回波信号计算原理

TU5 MODUANHUIBOXINHAOJISUANYUANLI

排列三和值走势图   DAOBOLEIDAYEWEIJICHANGBEIYINGYONGYUDIJIEDIANCHANGSHUCHANGHE ( RUYEHUAQI) ,DIJIEDIANCHANGSHUJIEZHICHANSHENGDEHUIBOXINHAOYEBIJIAORUO,ZAICUNZAIZABOHEGANRAOBODEXINHAOZHONGJIANCHUZHENGQUEDEYEWEIHUIBOJIUYAOKUNNANXIE,YINGYONGJICHUDEHUIBODINGWEIFACELIANGYEWEI[7]YOUSHIJIUNANYISHIXIAN,TONGGUOGAIBIANHUIBOYUZHIYEQIBUDAOZUOYONG,CISHIJIUKEYIKAOLVYINGYONGDIBUHUIBOSUANFALAIJIEJUE。RUTU6SUOSHI,JIANTOUSUOZHIWEIZHENSHIYEWEIDEHUIBO,DAOBOLEIDAYEWEIJIHENNANCONGHUIBOZHONGZHAODAOZHENSHIYEWEI,YEWEIQUXIANCHENGTIAOBIANZHUANGTAI,CELIANGWUFAJINXING,ZAIYINGYONGDIBUHUIBOSUANFAHOU,GAIWENTIYINGRENERJIE,DIBUHUIBOSUANFASHIDAOBOLEIDAJUYOULEYIZHONGRONGYUCELIANGWUWEIDEFANGFA,DADAOLEGAODUDEKEKAOXINGHEANQUANXING。

图6 应用底部回波算法的回波曲线

TU6 YINGYONGDIBUHUIBOSUANFADEHUIBOQUXIAN

4、结束语:

排列三和值走势图   JINGUANDAOBOLEIDAYEWEIJIJUYOUJIAOQIANGDEXINHAOCHULIHEFENBIANGONGNENG,NENGCONGDALIANGDEZASANBOZHONGFENBIANCHUZHENSHIDEYEWEIXINHAO,DANDANGYONGYUFUZAANZHUANGHUANJINGSHI( RUSHEBEINEICUNZAIGOUJIAN、PAOMOHEFENCHEN) ,DUIQISHIJIGONGZUOXINGNENGHUIYOUYINGXIANG,YINCIZAIANZHUANGSHIXUTEBIEZHUYI。DUIDAOBOLEIDABOXINGSHIBIESUANFADEGAIJINHEYOUHUA,SHIDEDAOBOLEIDAYEWEIJIZAIGONGYESHENGCHANZHONGFAHUILEZHONGYAODEZUOYONG。



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