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閘瓦保護(hù)系統(tǒng)的設(shè)計(jì)方案(參考版)

2025-04-30 23:03本頁面
  

【正文】 Walker,W TESTING AND FUNCTIONAL DESIGN OF MINE HOISTS. Certificated Engineer,v 52,n 9,Sep,1979,p470486[23]Beus,Michael J;Ruff,Todd M;McCoy,William J Conveyance monitoring to improve mine hoisting safety Conference RecordIAS Annual Meeting(IEEE Industry Applications Society),v 3,1997,p 20912097.[24],1997,第二期:78.[25](碩士學(xué)位論文).山東泰安:山東科技大學(xué).[26],2004,1(8):1315.[27]張禹男,2007,28(8):207208.[28] 、2009,第八期:26[29]賀光田,,2009,第2期:119120[30]Kovalchik,Peter G.;Duda,Frank T. Speed and position sensors for mine hoists and elevators Conference RecordIAS Annual Meeting(IEEE Industry Applications Society),1995,p 20542056.[31]李旗,李紹旺,2008,第5期:8485[32]武越,,1996,第10期:6365[33]—XLe版[34],2004,第一期:122123[35]雷汝海,王軍,2007,第4期:8688[36] (第二版).北京:北京航空航天大學(xué)出版社,2008附錄1英文原文A Novel Approach to Extending the LinearityRange of Displacement Inductive SensorMirjana S. Damnjanovic, Ljiljana D. Zivanov, Laszlo F. Nagy, Snezana M. Djuric, and Raimir N. BiberdzicFaculty of Technical Sciences, University of Novi Sad, Novi Sad, Trg D. Obradovica 6, SerbiaIt also describes design, realization, and the input inductance measurement of sensor. A displacement in two directions can be detected by using two sensor elements, each having a pair of meander coils. In each pair, one of the coils is fixed and between its terminals the input inductance was measured, while the other coil is shortcircuited. If one coil is moved above the other, in directions of xand zaxes, coupling between the coils will change, as well as the input inductance, which serves as a measure of displacement. In order to achieve better linearity of the sensor, longitudinal gaps are inserted in the middle of each conductive segment of one fixed coil. Four sets of inductive sensors were realized: without gap and with three different gaps. Planar, lowcost PCB technology was chosen for our prototype. In addition, an improved model of the inductive sensor is proposed. The input inductance of displacement sensor was calculated and pared with measured values. A good agreement was found.Index Terms—Displacement measurement, inductance, sensor, simulation software. This paper presents a meander type displacement inductive sensor, which can be used for the detection of small displacements (less than mm) in the plane. Inductive sensor was developed for testing in printed circuit board (PCB) technology. PCB technology was chosen for our prototype, because it is planar, easy to mount, and is lowcost technology. Similarly, planar structures of sensors were realized in PCB technology[1], thick or thin film [2], [3], and micromachining techniques[4]. After analysis of PCB prototype behavior, usually the same design approach, after scaling, can be used for the fabrication in microintegrated technology [5]. Measurements of small displacements are important in the microelectromechanical systems. Planar sensors are growing rapidly in importance because of their simplicity, robustness, and low cost. A possible application of our sensor is in robotics. A miniature version of the sensor could be incorporated into softcovered fingertips of a robotic gripper or into a foot of a humanoi。本系統(tǒng)對提升機(jī)閘瓦間隙實(shí)時監(jiān)控,有聲光報(bào)警功能的安全可靠、并且保護(hù)精度高的特點(diǎn),所以本系統(tǒng)有著非常良好的應(yīng)用前景。(2) 進(jìn)一步擴(kuò)充系統(tǒng)的功能,比如:將對盤型閘性能的監(jiān)測擴(kuò)展到對提升機(jī)性能的監(jiān)測。由于時間關(guān)系,本課題還存在一些不足之處:(1) 沒有實(shí)現(xiàn)對提升機(jī)盤型閘空動時間的監(jiān)測;(2) 上位機(jī)的檢測軟件還需完善其他一些功能,如:數(shù)據(jù)變化曲線和數(shù)據(jù)打印等。該系統(tǒng)操作方便,成本低廉、工作穩(wěn)定可靠、對現(xiàn)場使用環(huán)境和通訊電纜要求不高,而且安裝維護(hù)方便,很好的滿足了現(xiàn)場的實(shí)際要求。第三部分著重介紹了系統(tǒng)的安裝與調(diào)試過程,強(qiáng)調(diào)了調(diào)試的注意點(diǎn)。闡述了各部分電路的硬件構(gòu)造、工作原理和應(yīng)用電路分析,同時介紹了上位機(jī)Cscape Envision FX文件傳輸軟件。第二部分從技術(shù)細(xì)節(jié)上入手詳細(xì)的介紹了系統(tǒng)設(shè)計(jì)過程中所涉及的硬件和軟件問題。本文主要分為三部分對課題進(jìn)行了闡述。調(diào)試的位置和上面的要求一致。偏擺傳感器的安裝,要根據(jù)現(xiàn)場的實(shí)際情況固定一個單獨(dú)的支架,傳感器直接對著閘盤即可。具體調(diào)試方法是,在傳感器安裝完畢并接線后,給主機(jī)送電使其工作,將功能旋鈕旋至調(diào)試位置選擇手動,按下閘號按鈕,使主機(jī)顯示要調(diào)節(jié)的閘號。在線性度比較好的區(qū)域是1~5mm。如果在接線時使用接線盒應(yīng)保證這種正確連接。將傳感器的探頭靠近安裝到閘盤上。 油壓傳感器安裝接線圖 位移傳感器的安裝調(diào)試位移傳感器用于測量閘瓦間隙和閘盤的偏擺量。接線: ,先將螺釘1松開取下,則連接部分可以在圖中箭頭處取下,可以看到一個圖中所示的連接面,在圖中所標(biāo)出的地方用小螺絲刀將接線部分撬開,可以看到接線的螺釘,將傳感器接入主機(jī)端子排,注意線纜要從電纜緊固螺母2穿入,接好線后將接線部分壓入殼體,用螺釘1緊固,最后要擰緊電纜緊固螺母2。本安電源具有一路電壓輸出:(1) 最大開路電壓: V;(2) 額定輸出電流: 460mA;(3) 額定輸出電壓: 24 V;(4) 最大短路電流: ≤50mA;(5) 過流保護(hù)整定值: ≤470mA;(6) 輸出電壓偏離值: 5 %;(7) 源效應(yīng): ≤5 ;(8) 負(fù)載效應(yīng): ≤5 ;(9) 周期與隨機(jī)偏移值: ≤250 mV;(10) 具有短路、過流保護(hù)功能,故障解除后能恢復(fù)。 控制器的安裝控制器可以安裝在控制柜的柜門上或者DIN導(dǎo)軌上。位移傳感器、油壓傳感器直接引入本安腔,與檢測電路接口并接。系統(tǒng)裝置由隔爆腔和本安腔兩部分構(gòu)成,AC220V電源引入隔爆腔,無源隔爆觸點(diǎn)引入隔爆腔,通過光電隔離后再送入本安腔檢測電路。 PC與一體化控制器XLE102的連接圖 Envision FX 軟件運(yùn)行界面 Envision FX文件保存操作Cscape Envision FX文件傳輸軟件直接安裝在PC機(jī)上,通過以太網(wǎng)進(jìn)行連后,該軟件會自動識別出控制器。5. 本功能支持批處理或自動文件傳輸功能。 3. 同窗口之間使用工具條中的拖拽功能方便操作。Envision FX軟件的特點(diǎn): 1.與OCS間自由存取文件。該軟件采用CsCAN協(xié)議傳輸文件,為您提供了多種靈活的通訊方式選擇,主要包括:以太網(wǎng)﹑串口﹑無線網(wǎng)﹑MODEM等。其可以輕松實(shí)現(xiàn)PC與OCS之間的文件傳輸。 1號閘瓦間隙超標(biāo)時的報(bào)警界面 2號閘盤偏擺量超標(biāo)聲光報(bào)警運(yùn)行人員可以通過報(bào)警界面的箭頭提示的按鈕來復(fù)位鈴聲。當(dāng)閘瓦間隙超過2mm時,控制器會聲光報(bào)警。第四百二十七條規(guī)定:提升裝置必須裝設(shè)過負(fù)荷和欠電壓保護(hù)裝置和閘間隙保護(hù)裝置,當(dāng)閘間隙超過規(guī)定時,能自動報(bào)警或自動斷電。同時該值存入%R104寄存器中。%R1存儲的低8位為模塊地址00H~FFH,高8位為模塊的通訊波特率03H~07H(表示1200~19200bps)。測量閘盤位移傳感器的范圍為0~,輸出的電流為0~20mA。其編程為: 第一通道模擬量獲得程序同樣油壓傳感器測量的范圍為0~10MPa,輸出的電流范圍為4~20mA,。測閘間隙位移傳感器檢測的范圍為0~7mm,輸出對應(yīng)的電流為0~20mA成線性關(guān)系。 跳躍界面的設(shè)置界面 實(shí)時顯示界面的設(shè)計(jì)通過編程實(shí)時顯示閘瓦間隙、閘盤的偏擺量和制動時的油壓大小。Allow ESC to Return表示按下屏幕上的按鍵ESC便可以返回到原來的界面。按此鍵可以跳轉(zhuǎn)到你想要返回的界面??刂破鲗⒋斯δ芘c最近的軟按鍵鏈接。此時用戶可以按下顯示屏左邊的快捷鍵使得屏幕跳回密碼輸入界面重新輸入密碼。當(dāng)輸入密碼錯誤時,將會強(qiáng)制界面密碼錯誤提示界面輸出。 密碼輸入界面程序 密碼輸入界面運(yùn)行圖 密碼錯誤提示界面運(yùn)行圖密碼輸入界面為轉(zhuǎn)換界面輸出,其界面地址為%D1。當(dāng)輸入密碼錯誤時,將會出現(xiàn)密碼錯誤提示界面,提醒用戶返回密碼輸入界面。上電后可以強(qiáng)制開機(jī)畫面的強(qiáng)制輸出,其地址為%D2。 初始化界面的設(shè)計(jì) 用戶剛剛開機(jī)進(jìn)入開機(jī)畫面。波特率為9600bps,1位起始位、8位數(shù)據(jù)位、1位停止位,無握手信號,采用RS485總線傳輸方式??刂破鬟@些設(shè)置可以再Cscape軟件中進(jìn)行設(shè)置。 模塊1通訊參數(shù)軟件設(shè)置 模塊2通訊參數(shù)軟件設(shè)置 模塊3通訊參數(shù)軟件設(shè)置 控制器OCS的通訊參數(shù)設(shè)置控制器OCS需要接收27路模擬量。 各個模塊軟件設(shè)置模塊的地址為
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