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  • 不能錯過,鍋爐液位監控儀的優勢是如此的明顯

    不(bu)能(neng)錯過,鍋(guo)爐(lu)(lu)液(ye)位(wei)(wei)(wei)監(jian)控(kong)儀的(de)優勢是如此(ci)的(de)明顯鍋(guo)爐(lu)(lu)液(ye)位(wei)(wei)(wei)監(jian)控(kong)儀監(jian)控(kong)鍋(guo)爐(lu)(lu)水(shui)(shui)位(wei)(wei)(wei)控(kong)制(zhi)工(gong)作方式(shi)與(yu)原理:與(yu)水(shui)(shui)位(wei)(wei)(wei)開(kai)關搭配水(shui)(shui)位(wei)(wei)(wei)開(kai)關搭配水(shui)(shui)位(wei)(wei)(wei)控(kong)制(zhi)器(qi)來控(kong)制(zhi),有動畫演(yan)示。電(dian)(dian)(dian)子(zi)式(shi)水(shui)(shui)位(wei)(wei)(wei)開(kai)關原理是通(tong)過電(dian)(dian)(dian)子(zi)探頭(tou)對水(shui)(shui)位(wei)(wei)(wei)進行(xing)檢測(ce),再由(you)水(shui)(shui)位(wei)(wei)(wei)檢測(ce)芯片對檢測(ce)到(dao)的(de)信號(hao)(hao)進行(xing)處理,當(dang)被測(ce)液(ye)體(ti)到(dao)達動作點時(shi),芯片輸(shu)出高或低電(dian)(dian)(dian)平信號(hao)(hao),再配合水(shui)(shui)位(wei)(wei)(wei)控(kong)制(zhi)器(qi),從而實現對液(ye)位(wei)(wei)(wei)的(de)控(kong)制(zhi)。不(bu)需浮球和(he)干簧管,外(wai)部(bu)無機械動作,耐污(wu)耐用,不(bu)怕漂浮物影響,任(ren)意角度(du)安(an)裝(zhuang),豎(shu)向安(an)裝(zhuang)有一定的(de)防(fang)波(bo)浪功能(neng),適宜長時(shi)間浸在水(shui)(shui)中,工(gong)作電(dian)(dian)(dian)壓是直流(liu)5-24V,很安(an)全。舉例...

    2019-03-18查看詳情
  • 簡單分析電渦流脹差位移傳感器導致脹差正值增大的因素

    簡單分(fen)(fen)析電(dian)渦(wo)流(liu)(liu)(liu)脹差位(wei)(wei)移(yi)傳感器(qi)導致脹差正(zheng)值增大的因素電(dian)渦(wo)流(liu)(liu)(liu)脹差位(wei)(wei)移(yi)傳感器(qi)是(shi)廣泛應用(yong)于電(dian)力(li)、石(shi)油、化工、冶金、科研(yan)等不同領域位(wei)(wei)移(yi)、振動、速(su)度測量(liang)(liang)的高精(jing)度位(wei)(wei)移(yi)傳感器(qi)。可(ke)以對大型旋(xuan)轉(zhuan)機(ji)(ji)(ji)械的徑(jing)向(xiang)(xiang)振動、軸(zhou)(zhou)向(xiang)(xiang)位(wei)(wei)移(yi)、鍵相、軸(zhou)(zhou)轉(zhuan)速(su)、脹差、偏心(xin)以及(ji)轉(zhuan)子動力(li)學(xue)研(yan)究、零件(jian)尺寸檢驗等進行在線測量(liang)(liang)和保護。電(dian)渦(wo)流(liu)(liu)(liu)脹差位(wei)(wei)移(yi)傳感器(qi)的軸(zhou)(zhou)向(xiang)(xiang)位(wei)(wei)移(yi)測量(liang)(liang)軸(zhou)(zhou)向(xiang)(xiang)位(wei)(wei)移(yi)是(shi)指(zhi)機(ji)(ji)(ji)器(qi)內部(bu)轉(zhuan)子沿軸(zhou)(zhou)心(xin)方向(xiang)(xiang),與止(zhi)推軸(zhou)(zhou)承之間的間隙大小。對于許多旋(xuan)轉(zhuan)機(ji)(ji)(ji)械,包括蒸汽(qi)輪機(ji)(ji)(ji)、燃汽(qi)輪機(ji)(ji)(ji)、水輪機(ji)(ji)(ji)、離心(xin)式(shi)和軸(zhou)(zhou)流(liu)(liu)(liu)式(shi)壓縮機(ji)(ji)(ji)、離心(xin)泵等,軸(zhou)(zhou)向(xiang)(xiang)位(wei)(wei)移(yi)是(shi)一(yi)個十分(fen)(fen)重(zhong)要(yao)的...

    2019-01-18查看詳情
  • 對轉速探頭還不夠了解?看這兒就能*熟悉了

    對轉速探(tan)頭還不夠(gou)了解(jie)?看這兒就能*熟悉了轉速探(tan)頭用(yong)途:傳感器(qi)(qi)的(de)作用(yong)是將(jiang)旋轉機械的(de)被(bei)測量按照(zhao)一定(ding)規律轉換成(cheng)可用(yong)信號(hao)輸出(chu)的(de)裝(zhuang)置轉速探(tan)頭工作原理:使用(yong)時(shi)應(ying)在被(bei)測量轉速的(de)軸(zhou)上(shang)裝(zhuang)一齒(chi)輪(lun)(正、斜齒(chi)輪(lun)或帶槽圓盤都可以)將(jiang)傳感器(qi)(qi)安裝(zhuang)在支架上(shang),調(diao)整(zheng)傳感器(qi)(qi)與齒(chi)輪(lun)頂之間(jian)隙(xi)為(wei)1mm左右。當軸(zhou)旋轉時(shi)帶動(dong)(dong)齒(chi)輪(lun)旋轉,根據電(dian)磁感應(ying)的(de)原理在傳感器(qi)(qi)內部線圈的(de)兩端產(chan)生一個(ge)脈沖(chong)信號(hao),軸(zhou)轉動(dong)(dong)一圈時(shi)就產(chan)生在Z個(ge)電(dian)壓脈沖(chong)信號(hao),根據下式:F=(n/60)×Z式中(zhong):F為(wei)頻率Hz/秒n為(wei)被(bei)測軸(zhou)轉速轉/分Z為(wei)齒(chi)輪(lun)齒(chi)數(shu)當齒(chi)輪(lun)齒(chi)數(shu)為(wei)...

    2018-12-22查看詳情
  • 油箱油位行程監測儀是如何進行安裝的?

    油(you)(you)箱(xiang)油(you)(you)位(wei)行(xing)(xing)程(cheng)監(jian)(jian)測(ce)儀是如何進行(xing)(xing)安裝的(de)(de)?油(you)(you)箱(xiang)油(you)(you)位(wei)行(xing)(xing)程(cheng)監(jian)(jian)測(ce)儀可用(yong)來監(jian)(jian)視油(you)(you)箱(xiang)中(zhong)油(you)(you)位(wei)的(de)(de)高(gao)低(di)。汽輪機在(zai)(zai)連(lian)續高(gao)速旋(xuan)轉的(de)(de)時候,需要(yao)配(pei)備一(yi)個專門(men)的(de)(de)油(you)(you)箱(xiang)對其旋(xuan)轉部件進行(xing)(xing)潤(run)滑和(he)導(dao)熱,這樣就有必要(yao)用(yong)油(you)(you)箱(xiang)油(you)(you)位(wei)監(jian)(jian)視儀對油(you)(you)箱(xiang)液位(wei)高(gao)低(di)進行(xing)(xing)監(jian)(jian)測(ce)。當液面高(gao)度(du)低(di)于一(yi)定(ding)值時,就需要(yao)加注潤(run)滑油(you)(you)來維(wei)持汽輪機的(de)(de)正常工(gong)(gong)作(zuo)。油(you)(you)箱(xiang)油(you)(you)位(wei)行(xing)(xing)程(cheng)監(jian)(jian)測(ce)儀工(gong)(gong)作(zuo)原理油(you)(you)箱(xiang)油(you)(you)位(wei)行(xing)(xing)程(cheng)監(jian)(jian)測(ce)儀的(de)(de)工(gong)(gong)作(zuo)原理由方框圖可以看出,它由振蕩電路、恒流源、鑒別器等組成。該位(wei)移(yi)傳(chuan)感器的(de)(de)內(nei)部鐵芯(xin)繞有兩組線圈(quan),在(zai)(zai)傳(chuan)感器殼(ke)體內(nei)移(yi)動,當線圈(quan)通入一(yi)定(ding)頻率的(de)(de)交流電壓(ya)后,產(chan)生(sheng)一(yi)個...

    2018-11-22查看詳情
  • 軸向位移變送器功能的模塊化增強系統功能

    軸(zhou)向(xiang)位(wei)(wei)(wei)移變(bian)(bian)(bian)送(song)器(qi)(qi)功能(neng)的(de)模(mo)塊(kuai)化(hua)增強系統功能(neng)軸(zhou)向(xiang)位(wei)(wei)(wei)移變(bian)(bian)(bian)送(song)器(qi)(qi)廣泛(fan)適(shi)用(yong)于(yu)電(dian)力、冶金(jin)、石(shi)化(hua)和(he)(he)造紙行業的(de)大型旋(xuan)轉(zhuan)機(ji)械(如汽輪(lun)機(ji)、壓(ya)縮機(ji)、電(dian)機(ji)、風(feng)機(ji)、泵等)軸(zhou)向(xiang)位(wei)(wei)(wei)移的(de)測量和(he)(he)保護控制。帶液晶(jing)顯示(shi)方便現場安(an)裝(zhuang),帶4~20mA輸出(chu)和(he)(he)兩路繼電(dian)器(qi)(qi)輸出(chu),并可現場設(she)定量程和(he)(he)報(bao)警(jing)值。將傳感器(qi)(qi)采樣的(de)振(zhen)(zhen)動信號(hao)經變(bian)(bian)(bian)送(song)器(qi)(qi)線性化(hua)、歸一(yi)化(hua)處理后,直接輸出(chu)4-20mA信號(hao)。一(yi)體(ti)化(hua)軸(zhou)承振(zhen)(zhen)動變(bian)(bian)(bian)送(song)器(qi)(qi)取消了變(bian)(bian)(bian)送(song)器(qi)(qi)或儀表,減少(shao)了接線環節和(he)(he)安(an)裝(zhuang)環節,減少(shao)了故障率,它將傳統的(de)外部前置器(qi)(qi)和(he)(he)儀表部分(fen)的(de)濾波、信號(hao)歸一(yi)化(hua)處理、信號(hao)輸出(chu)等功能(neng)模(mo)...

    2018-10-24查看詳情
  • 詳細介紹熱膨脹傳感器的使用事項和調試步驟

    詳細介(jie)紹熱膨脹(zhang)傳(chuan)感(gan)器(qi)的(de)使用事項和調試步驟熱膨脹(zhang)傳(chuan)感(gan)器(qi)主(zhu)要(yao)用于測量(liang)汽輪機汽缸膨脹(zhang)位移量(liang),與熱膨脹(zhang)監控儀相配(pei)合(he)即可(ke)完成熱膨脹(zhang)位移量(liang)的(de)遠傳(chuan)指(zhi)示(shi)(shi)、報警、恒流輸(shu)出等(deng)功能。就地指(zhi)示(shi)(shi)視野(ye)大,遠傳(chuan)指(zhi)示(shi)(shi)為數字顯示(shi)(shi),清晰直觀采用中(zhong)頻差動變壓器(qi)式位移傳(chuan)感(gan)器(qi)作為傳(chuan)感(gan)元件(jian),是一種高可(ke)靠的(de)LVDT位移傳(chuan)感(gan)器(qi),抗干(gan)擾(rao)能力強,線(xian)性好,結構簡單,不(bu)易損壞,能長期連續使用。熱膨脹(zhang)傳(chuan)感(gan)器(qi)使用中(zhong)應注意以(yi)下事項:(1)在安裝和使用中(zhong)必須(xu)避免大于150%額定載(zai)荷的(de)沖擊力及其它過(guo)載(zai)現象。(2)用戶設計加載(zai)裝置及安裝時,應...

    2018-09-25查看詳情
  • 振動烈度監控儀快速服務

    振動(dong)(dong)(dong)烈(lie)(lie)度監(jian)控(kong)(kong)(kong)儀(yi)快(kuai)速服務振動(dong)(dong)(dong)烈(lie)(lie)度監(jian)控(kong)(kong)(kong)儀(yi)可(ke)測(ce)(ce)(ce)(ce)量機(ji)(ji)殼(ke)或者結構相對(dui)于(yu)自(zi)由空間(jian)的振動(dong)(dong)(dong),即振動(dong)(dong)(dong),特別(bie)適用于(yu)具有(you)滾珠軸(zhou)承的機(ji)(ji)器(qi)(qi),在這種機(ji)(ji)器(qi)(qi)里(li)軸(zhou)的振動(dong)(dong)(dong)可(ke)較(jiao)多地傳(chuan)到機(ji)(ji)殼(ke)上,故該監(jian)測(ce)(ce)(ce)(ce)儀(yi)可(ke)配(pei)接磁(ci)電式(shi)速度傳(chuan)感(gan)器(qi)(qi),對(dui)旋轉機(ji)(ji)械(xie)進(jin)行(xing)連續測(ce)(ce)(ce)(ce)量和保護(hu),傳(chuan)感(gan)器(qi)(qi)的安(an)裝應特別(bie)注意,不(bu)會導致傳(chuan)感(gan)器(qi)(qi)振幅減(jian)低,以及頻率影(ying)響被改變或所產生的信號不(bu)能代表(biao)機(ji)(ji)器(qi)(qi)的真實振動(dong)(dong)(dong),振動(dong)(dong)(dong)烈(lie)(lie)度監(jian)控(kong)(kong)(kong)儀(yi)對(dui)于(yu)電機(ji)(ji)、壓縮機(ji)(ji)、風機(ji)(ji)等需要測(ce)(ce)(ce)(ce)量大量振動(dong)(dong)(dong)點的情況(kuang),該監(jian)測(ce)(ce)(ce)(ce)儀(yi)尤其適用。對(dui)于(yu)振動(dong)(dong)(dong)烈(lie)(lie)度監(jian)控(kong)(kong)(kong)儀(yi)械(xie)來說,振動(dong)(dong)(dong)是重要的監(jian)測(ce)(ce)(ce)(ce)參數。它們反映了機(ji)(ji)器(qi)(qi)的運行(xing)特性和狀...

    2018-08-23查看詳情
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