一种矿用比例电磁阀驱动电路的设计  

Design of Drive Circuit in Mine Proportional Electromagnetic Valve

作　　者：王夺[1] 黎青[1] 吕松 张戈 陈太光 何亿炎 薛天山 

机构地区：[1]天地科技股份有限公司上海分公司,上海201401 [2]神华新疆能源有限责任公司,新疆乌鲁木齐830000

出　　处：《煤矿机电》2015年第6期19-22,共4页Colliery Mechanical & Electrical Technology

基　　金：神华集团科技创新项目(SHJT-13-28)

摘　　要：介绍一种矿用比例电磁阀驱动电路的设计方案及仿真方法。该电路采用基于PWM的电压输出DAC方式,具有控制精度高、成本低、电路简单等优点。利用减法电路实现的双极性电压输出能简单、有效地输出负电压。该电路能精确输出控制指令,并与其他设备通过CAN总线互联。PSpice软件通过参数扫描,可以仿真出占空比变化的PWM信号,实现该电路的仿真。Introduces the design scheme and simulation method about mine drive circuit of proportional electromagnetic. This circuit adopts DAC voltage output method which based on PWM. It has the advantages of high controlling accurate, low cost and brief circuit etc. And the bipolar voltage output realized by using the subtraction circuit which can output negative voltage effectively. It can output control instruction accurately and also can interconnect with other equipment via CAN bus. By using parametric scan analysis, PSpice software can simulate PWM signal of varied duty cycle easily and simulate the circuit.

关 键 词：脉宽调制 PSPICE仿真 比例电磁阀 

分 类 号：TN787[电子电信—电路与系统]