AXIAL DISPLACEMENT SENSOR傳感器 C5-7327-0202-11
軸向位移測(cè)量、報(bào)警變送系統(tǒng);可以連續(xù)測(cè)量旋轉(zhuǎn)機(jī)械轉(zhuǎn)子或大軸的軸向位置并輸出模擬電流或電壓、報(bào)警、停機(jī)、傳感器緩沖信號(hào).系統(tǒng)可方便地與DCS、PLC系統(tǒng),無(wú)紙記錄儀連接. 主要功能 ■ 汽輪機(jī)、水輪機(jī)、壓縮機(jī)、鼓風(fēng)機(jī)等旋轉(zhuǎn)類機(jī)械的軸向位置的監(jiān)視和保護(hù). 安徽萬(wàn)瓏電氣
可監(jiān)測(cè)轉(zhuǎn)子的軸向相對(duì)于軸瓦的位置。故障監(jiān)測(cè):監(jiān)測(cè)旋轉(zhuǎn)機(jī)械轉(zhuǎn)子的軸向位置測(cè)量參數(shù):轉(zhuǎn)子相對(duì)于軸瓦的位置(位移)機(jī)組類型:各種旋轉(zhuǎn)機(jī)械,如汽輪機(jī),風(fēng)機(jī),壓縮機(jī),泵等;適用于老機(jī)組的改造。用于連續(xù)監(jiān)測(cè)旋轉(zhuǎn)機(jī)械在啟停和運(yùn)行過(guò)程中大軸或轉(zhuǎn)子的軸向位置。軸向位移是機(jī)器內(nèi)部,轉(zhuǎn)子沿軸心方向,相對(duì)于止推軸承二者之間的間隙而言,軸向位移的測(cè)量,可以指示旋轉(zhuǎn)部件與固定部件之間的軸向間隙,對(duì)于旋轉(zhuǎn)機(jī)械,如蒸汽輪機(jī),燃汽輪機(jī),水輪機(jī),離心機(jī)和軸流壓縮機(jī)等,軸承位置是一個(gè)十分重要的信號(hào),過(guò)大的軸向位置將引起大的機(jī)構(gòu)損壞,而軸向位移監(jiān)控儀,對(duì)止推軸承的損壞,可提出早期報(bào)警和保護(hù)。*實(shí)現(xiàn)數(shù)字化,穩(wěn)定性好、準(zhǔn)確性高、操作簡(jiǎn)單、維護(hù)方便可靠。安徽萬(wàn)瓏電氣
軸向位移監(jiān)視保護(hù)儀用于測(cè)量旋轉(zhuǎn)機(jī)械裝置(如汽輪機(jī)、風(fēng)機(jī)、壓縮機(jī)、電機(jī)等)的轉(zhuǎn)子相對(duì)于固定部分的軸向位移。軸向位移(包括脹差、膨脹)監(jiān)視保護(hù)儀適合中小型旋轉(zhuǎn)機(jī)械裝置TSI的系統(tǒng)設(shè)計(jì),輸入的信號(hào)來(lái)自SJ系列非接觸式電渦流位移傳感器。可廣泛應(yīng)用于電力、機(jī)械、化工、冶金等企業(yè)。軸向位移(包括脹差、膨脹)測(cè)量對(duì)于許多旋轉(zhuǎn)機(jī)械,包括蒸汽輪機(jī),燃汽輪機(jī),水輪機(jī),離心式和軸流式壓縮機(jī),離心泵等,軸向位移是一個(gè)十分重要的信號(hào),過(guò)大的軸向位移將會(huì)引起過(guò)大的機(jī)構(gòu)損壞。軸向位移的測(cè)量,可以指示旋轉(zhuǎn)部件與固定部件之間的軸向間隙或相對(duì)瞬時(shí)的位移變化,用以防止機(jī)器的破壞。軸向位移是指機(jī)器內(nèi)部轉(zhuǎn)子沿軸心方向,相對(duì)于止推軸承二者之間的間隙而言。有些機(jī)械故障,也可通過(guò)軸向位移的探測(cè),進(jìn)行判別,如止推軸承的磨損與失效、止推法蘭的松動(dòng)、平衡活塞的磨損與失、聯(lián)軸節(jié)的鎖住等。軸向位移監(jiān)控儀是一種于測(cè)量大型旋轉(zhuǎn)動(dòng)力機(jī)械轉(zhuǎn)子和靜止部分相對(duì)軸向位置變動(dòng)大小的監(jiān)控儀表。它可連續(xù)測(cè)量并監(jiān)視單(兩)個(gè)通道的軸向位移,接收來(lái)自兩個(gè)趨近式位移傳感器的信號(hào),并在顯示器上顯示出轉(zhuǎn)子軸向位移的方向,大小,具有標(biāo)準(zhǔn)模擬量輸出。該裝置還可發(fā)出警告和危險(xiǎn)信號(hào)以提示位移量超過(guò)了已經(jīng)設(shè)定的報(bào)警值或危險(xiǎn)值。該儀表具有停電保護(hù)、數(shù)字密碼保護(hù)及守門犬電路,可以保證儀表從“陷阱”和混亂中自動(dòng)恢復(fù)。適用于對(duì)汽輪機(jī)、水輪機(jī)、壓縮機(jī)、鼓風(fēng)機(jī)等多種旋轉(zhuǎn)機(jī)械的軸向位置的監(jiān)視和保護(hù)。一體化軸位移變送器集成了前置器,變送器的功能,僅需要探頭、延長(zhǎng)電纜配套。具有分體式的所有功能,省卻了前置器,使得監(jiān)測(cè)的組件進(jìn)一步減少,可靠性大大提高。主要監(jiān)測(cè)旋轉(zhuǎn)機(jī)械轉(zhuǎn)子的軸向相對(duì)于軸瓦的位置。用戶在訂貨時(shí)必須說(shuō)明被測(cè)體形面尺寸、配用何種型號(hào)傳感器、監(jiān)控量程、報(bào)警值及停機(jī)值、繼電器動(dòng)作延時(shí)時(shí)間、位移方向等,以便本公司的產(chǎn)品售前服務(wù)工程師與您一起核實(shí)您的訂貨需求。訂貨時(shí),除非用戶特殊申明需要軸位移監(jiān)控儀提供其他類型傳感器供電電壓(+24Vdc或±18Vdc),否則傳感器供電電壓缺省為-24Vdc;訂貨時(shí),除非用戶特殊申明需要其他類型輸出(0~10mA或0~10Vdc),否則軸位移監(jiān)控儀對(duì)應(yīng)位移量輸出缺省為 4~20mA和1~5Vdc;訂貨時(shí),除非用戶特殊申明,否則軸位移監(jiān)控儀的報(bào)警延時(shí)缺省為3秒;訂貨時(shí),除非用戶特殊申明,否則軸位移監(jiān)控儀缺省顯示以遠(yuǎn)離為正,趨近為負(fù);
技術(shù)參數(shù):外接電源:24VDC,100mA,要求與地隔離輸入信號(hào):接受電渦流傳感器探頭信號(hào),靈敏度8.0V/mm或4.0V/mm量程:4mm或2mm電流輸出:4~20mA,輸出負(fù)載≤500Ω測(cè)量誤差:<1%滿量程LED指示:OK(正常)綠色,Alert、Danger(報(bào)警、危險(xiǎn))紅色報(bào)警點(diǎn)設(shè)置:0~100%滿量程,精確度±1%繼電器密封:環(huán)氧樹脂,節(jié)點(diǎn)容量DC30V/5A或220V/5A,單刀雙擲報(bào)警復(fù)位方式:手動(dòng)(現(xiàn)場(chǎng)Reset按鈕、遙控報(bào)警復(fù)位端子)緩沖輸出(BUFFER):原始信號(hào)的輸出,8.0V/mm或4.0V/mm,輸出阻抗1KΩ溫度范圍:運(yùn)行時(shí)0~65℃ 儲(chǔ)存時(shí)-30~80℃相對(duì)濕度:至95%不冷凝軸位移/脹差保護(hù)表是一臺(tái)軸位移/脹差監(jiān)測(cè)保護(hù)儀表,它既能提供軸位移(旋轉(zhuǎn)部件與固定部件之間的軸向間隙)的測(cè)量,檢測(cè)出止推軸承的磨損情況,從而防止軸向的事故發(fā)生,保證機(jī)器安全;又能輸出脹差(非旋轉(zhuǎn)部件和旋轉(zhuǎn)部件之間的尺寸變化)和抬機(jī)量,避免部件之間發(fā)生摩擦而使機(jī)器受到損害。它能提供兩級(jí)報(bào)警和原始信號(hào)的緩沖輸出,早期發(fā)現(xiàn)和報(bào)警,從而保證設(shè)備的正常運(yùn)行。
適用于各種旋轉(zhuǎn)機(jī)械,包括蒸汽輪機(jī)、燃?xì)廨啓C(jī)、水輪機(jī)、離心式和軸流壓縮機(jī)、離心泵等,可直接與渦流探頭和延長(zhǎng)電纜連接。 產(chǎn)品功能· 該儀表可以適應(yīng)不同的靈敏度的電渦流傳感器,只需要通過(guò)按鍵對(duì)參數(shù)進(jìn)行設(shè)置即可· 根據(jù)傳感器線性曲線,進(jìn)行軟件線性化,進(jìn)一步排除了現(xiàn)場(chǎng)傳感器引起的測(cè)量誤差,提高測(cè)量精度。
· 提供0~10mA、0~20mA或4~20mA三種方式的標(biāo)準(zhǔn)電流輸出(傳感器非OK時(shí)變送輸出2mA),并可上傳給DCS或者PLC組成控制系統(tǒng)。 報(bào)警點(diǎn)、報(bào)警延時(shí)和零點(diǎn)位置均可通過(guò)軟件進(jìn)行設(shè)置。 · 提供RS485通訊接口,支持多機(jī)通訊,便于聯(lián)網(wǎng)管理。 采用密碼管理操作方式,控制對(duì)參數(shù)的設(shè)置或修改。
The axial displacement monitor is a kind of monitoring instrument which is specially used to measure the relative axial position change of rotor and static part of large-scale rotating power machinery. It can continuously measure and monitor the axial displacement of single (two) channels, receive signals from two approaching displacement sensors, and display the direction and size of rotor axial displacement on the display, and has standard analog output. The device can also send out warning and danger signals to indicate that the displacement exceeds the set alarm value or danger value. The instrument has power failure protection, digital password protection and watchdog circuit, which can ensure the instrument to recover automatically from "trap" and confusion. It is suitable for monitoring and protecting the axial position of steam turbine, water turbine, compressor, blower and other rotating machinery. The integrated shaft displacement transmitter is integrated with a preamplifier. The function of the transmitter only needs probe and extension cable. It has all the functions of the split type, and saves the front-end device, so that the monitoring components are further reduced and the reliability is greatly improved. The axial position of the rotor is monitored with respect to the main rotating bearing bush.
Technical parameters: external power supply: 24 VDC, 100 Ma, required to be isolated from ground input signal: receive eddy current sensor probe signal, sensitivity 8.0 V / mm or 4.0 V / mm range: 4 mm or 2 mm current output: 4-20 mA, Output load ≤ 500 Ω measurement error: < 1% full scale LED indication: OK (normal) green, alert and danger red alarm point setting: 0-100% full scale, accuracy ± 1% relay seal: epoxy resin, node capacity dc30v / 5A or 220V / 5A, SPDT alarm reset mode: Manual (field reset button, remote alarm reset terminal) buffer output (buffer) : original signal output, 8.0v/mm or 4.0v/mm, output impedance 1K Ω, temperature range: 0 ~ 65 ℃ during operation, - 30 ~ 80 ℃ relative humidity: to 95% non condensing Axial displacement measurement, alarm transmission system; can continuously measure the axial position of rotating machinery rotor or shaft and output analog current or voltage, alarm, shutdown, sensor buffer signal. The system can be conveniently connected with DCS, PLC system and paperless recorder. The main function is to monitor and protect the axial position of rotating machinery such as turbine, turbine, compressor, blower, etc Anhui Wanlong electric