基于PLC控制的調壓調速電梯拖動系統設計

電氣自動化論文編號:ZD148  PLC:OMRON公司的C60P型機   論文字數:17562,頁數:43

目   錄
1 緒論  1
1.1 設計概述   1
1.2 電梯的概述  1
1.2.1 電梯的基本知識  1
1.2.2 電梯的分類   2
1.3 電梯的系統組成   3
1.3.1 電梯的機械系統   3
1.3.1 電梯的電氣控制系統  5
1.4 PLC的概述  7
1.4.1 可編程控制器   7
1.4.2 PLC的特點  7
1.4.3 PLC的發展趨勢   8
2電梯的系統概述   9
2.1 調壓調速系統概述  9
2.2 調壓調速的優點  10
2.3 PLC的工作流程述  10
3 系統的硬件設計  13
3.1 電梯主要部件的選用   13
3.2 主電路及外圍電路的設計  14
3.3 I/O接口部分的設計  16
3.4 元件名稱代碼對照表   18
4 系統的軟件設計   20
4.1 電梯運行流程圖   20
4.2 梯形圖的設計   21
結束語  38
致謝  39
參考文獻  40

摘   要
電梯是一種在日常生活中常見的運輸工具。該詳細就闡述了采用PLC控制的調壓調速的電梯拖動系統的設計過程。與采用繼電器的電梯拖動系統相比，采用PLC控制的系統可以大量減少中間繼電器和時間繼電器的使用，從而簡化了控制系統，在運行控制過程中電梯的故障率大幅降低，運行效率明顯提高。同時PLC還具有完善的功能，通用性強，性價比高；無觸點免配線，可靠性高，抗干擾能力強；體積小，能耗低等特點。基于PLC的這些優點，研究其在電梯中的應用是很有意義和價值的。系統中的PC機采用的是OMRON的C60p型主機，該PC機性質穩定，工作可靠，廣泛應用于目前的電梯控制系統中。同時本設計中采用了先進的交流雙速全閉環調壓調速拖動裝置（俗稱ACVV拖動系統），根據輸入裝置中的理想運行速度曲線，將實際信號與接收到的信號進行比較，適時控制施加在電機繞組上的電壓，使電梯按照理想速度曲線運行，從而達到零速平層的目的。該系統具有直流電機拖動系統的乘坐舒適感，但運行效率比直流拖動電梯高。另外還設置了檢修、消防功能等，大大提高了電梯的安全性和實用性。
關鍵詞：PLC；調壓調速系統；理想運行曲線；信號比較

                            
Abstract
The elevator drive system is an common travel tool in our day life.This paper presents under  control of the PLC the surge of speed elevator drive system design process.Compiring with the usin-g Relay elevator drive systems, the PLC control system can significantly reduce the time and intermediate Relay use, thus simplifying the control system, in operation elevator control process , the f-ailure rate is drastically reduced, and the operating efficiency has improved significantly. Meanwh-ile PLC also has a perfect function, high efficiency, high performance-price ratio; Non-contact-fre-e wiring, high reliability, strong anti-jamming capability; The small size and low energy consumpt-ion. Based on these advantages ,the study of its lift is of great significance and value.The PC used in this System is the C60p OMRON-hosts, the PC is stable, reliable, widely used in the elevator control system. In addition, the design of the use of advanced dual exch-ange rate closed-Speed Surge Drive devices (commonly known as ACVVdriving System), Accordi-ng to the input devices ideal speed curves, the actual signal compiring with the received signal, timely control imposed on the m-otor winding voltage, so that the lift curve ideal speed operation, ac-hieve zero-velocity layers purposes. The system has DC motor drive system ride comfort, but operating efficiency than the DC hi-gh-lift drag. It also set up a maintenance, fire functions, greatly improving the safety of the elevato-r and practicality.
 Keywords : PLC, Surge governing system, Operation ideal curve, The signals compiring