基于DOPsoft和PLC的锂电池点焊机控制系统
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摘要
锂电池点焊机采用闭环控制,实现对锂电池的自动焊接精准控制。针对所开发的锂电池点焊机功能要求进行分析,设计应用欧姆龙CP1H系列PLC和DOPsoft组态软件实现锂电池点焊机控制系统方案。确定了以RS232通道实现DOPsoft与PLC通信,通过I/O口控制伺服系统、气动系统共同完成设计的焊接动作,同时控制点焊电源按照设计的时序和放电方式完成放电焊接。系统测试表明,点焊预压力精度为0.2~0.5%F.S,PLC控制程序时间占用9 ms,设计的控制系统性能稳定。
Lithium batteries welding machine use the closed loop control. It has functions for accurate control of automatic welding for lithium batteries. The functional requirements of the lithium batteries welding machine is discussed in this paper. A control system for lithium batteries welding machine was developed on the base of DOPsoft and Omron CP1 H PLC. In the system,RS232 channel was used to establish the real-time communication between DOPsoft and PLC. The servo system and pneumatic system was controlled by I/O channel to Complete designed welding. The welding power was controlled to complete discharge welding according to the designed sequence and discharge mode. The performance shows that welding precompression accuracy is 0. 2 ~ 0. 5% F. S,the time of PLC control program is 9 ms,the control system is reliable.
Lithium batteries welding machine use the closed loop control. It has functions for accurate control of automatic welding for lithium batteries. The functional requirements of the lithium batteries welding machine is discussed in this paper. A control system for lithium batteries welding machine was developed on the base of DOPsoft and Omron CP1 H PLC. In the system,RS232 channel was used to establish the real-time communication between DOPsoft and PLC. The servo system and pneumatic system was controlled by I/O channel to Complete designed welding. The welding power was controlled to complete discharge welding according to the designed sequence and discharge mode. The performance shows that welding precompression accuracy is 0. 2 ~ 0. 5% F. S,the time of PLC control program is 9 ms,the control system is reliable.
引文
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[3]马迎兵.电极压力对熔核质量影响的研究[D].天津:天津大学,2008.
[4]李长伟.基于PLC的恒压供水模型监控系统[J].工控机与集散控制系统,2006(11):56-59.
[5]凌敏.基于PLC的点焊控制系统研究[D].南昌:南昌航空大学,2010.
[6]周峰.基于西门子PLC控制器的恒压供水系统设计[D].天津:天津大学,2010.
[7]陈中平.欧姆龙CP1H系列PLC完全自学手册[M].北京:化学工业出版社,2013.
[8]金子敏夫,戈平厚.机电一体化基础[M].哈尔滨:哈尔滨工业大学出版社,2000.
[9]邓星钟.机电传动控制[M].武汉:华中理工大学出版社,2000.
[10]张继萍.地铁自助售票机的人机界面设计研究[D].上海:华东理工大学,2012.
[11]宋正河.机械系统人机界面优化设计方法的研究[D].北京:中国农业大学,2012.
[12]黄崇莉.基于PLC摩擦焊压力闭环控制系统的设计[J].液压与气动,2012(3):49-51.
[13]邓莉,包明.单回路PID控制系统参数整定算法的仿真研究[J].渝州大学学报,1998,15(4):63-68.
[14]郑志伟.旋转编码开关自动检测与分选系统研究[D].武汉:华中科技大学,2013.
[15]杜随更.计算机闭环控制系统在摩擦焊接中的应用[J].机械科学与技术,2004(3):300-302.