基于PWM快速电磁阀的驱动控制电路设计  

Design of Drive Circuit for PWM Controlled High Speed Electromagnetic Valve

作　　者：于正同 时培燕 孙锴 YU Zhengtong;SHI Peiyan;SUN Kai(AVIC Xi’an Aeronautical Computing Technique Research Institute,Xi’an 710065,China)

机构地区：[1]中国航空工业集团公司西安航空计算技术研究所,陕西西安710065

出　　处：《现代车用动力》2020年第1期6-9,38,共5页Modern Vehicle Power

摘　　要：设计了一种快速电磁阀的驱动电路,通过增加接口保护电路,提高了高强度辐射场(HIRF)防护能力和雷电防护能力。该电路采用电流闭环控制方法、分组电流控制方法实现强激电流和维持电流独立控制,提高了快速电磁阀的响应速度和电流控制精度。将快速阀控制电路应用于某航空发动机控制器进行验证,通过验证结果表明,该驱动控制电路能够满足快速电磁阀电流控制要求,并顺利通过HIRF试验测试。具有电流控制精度高、电流调节灵活和可靠性高等优点,可适用于航空、车载等控制领域。A driving circuit of fast electromagnetic valve is designed.By adding interface protection circuit,the ability of HIRF protection and lightning protection is improved.The circuit adopts current closed-loop and grouping control methods to realize strong pull-in current and hold-on current independent control,which improves the response speed and current control accuracy of fast electromagnetic valve.The fast electromagnetic valve control circuit is applied to an aero engine controller for verification.The results show that the drive control circuit can meet the current control requirements of the fast solenoid valve and pass the HIRF test successfully.It has the characteristics of high current control accuracy,regulation flexibility and reliability.It can be applied to the control fields of aviation,vehicle and other control fields.

关 键 词：强激电流 维持电流 高强度辐射场 电磁阀 

分 类 号：V233.7[航空宇航科学与技术—航空宇航推进理论与工程] V432