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针对部队军事设施建设中施工人员野外就餐难的问题,研制了移动式保温餐车,重点就保温餐车的装卸开发了基于嵌入式软PLC的控制系统。餐车装卸有全自动和手动两种操作模式,可实现对总重为1.6t的食品箱进行自动及手动装卸,以满足野外工地大批量人员同时就餐。控制系统硬件CPU采用STM32F103VET6芯片,软件则以三菱FX系列PLC通信协议为基础,可实现对梯形图代码的编译、下载、解释与执行。通过大量现场实际测试,结果表明该控制系统满足设计要求,稳定可靠,响应速度快,自主化程度高。
In view of the difficulty of the field construction of construction workers in military facilities construction, mobile insulation food truck was developed. The control system based on embedded soft PLC was mainly developed for the loading and unloading of insulation food truck. Car loading and unloading with automatic and manual modes of operation can be achieved on the total weight of 1.6 t food boxes for automatic and manual loading and unloading to meet the field field of large quantities of people eating at the same time. Control system hardware CPU using STM32F103VET6 chip, the software is Mitsubishi FX series PLC communication protocol based on the ladder code can be compiled, downloaded, interpreted and executed. Through a large number of field tests, the results show that the control system to meet the design requirements, stable and reliable, fast response, high degree of autonomy.