压电驱动无针注射器脉冲电源设计
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摘要
针对压电驱动无针注射对电源的需求,设计了与压电无针注射器配套的脉冲电源,该脉冲电源的驱动控制系统由电池提供12V的直流电压,通过Buck与推挽电路级联电路升压后整流滤波输出0～400V直流可调电压,由反馈电路对输出电压进行校正,最后全桥逆变电路实现输出频率与占空比可调,且输出电压在0～400V随占空比的改变成线性变化的瞬时高压脉冲信号。实验结果表明,该脉冲信号稳定可靠,输出纹波在范围0.5%以内,满足了压电驱动无针注射电源需求。
In this paper,apulsed power supply with needle-free syringe is designed.The drive control system of the pulse power supply is 12 V DC voltage supplied by the battery.Moreover,the Buck and push-pull circuit cascade circuit Boost rectifier filter outputs 0～400 VDC adjustable voltage,and the feedback circuit is used to correct the output voltage.Finally a full-bridge inverter circuit is applied to achieve adjustable output frequency and duty cycle.In this case,the output voltage can linearly change in 0～400 V with the duty cycle in the instantaneous high voltage pulse signal.The experimental results show that the pulse signal is stable and reliable,and the output ripple is in the range of 0.5%or less,to meet the needlefree injection of piezoelectric power supply requirement.
In this paper,apulsed power supply with needle-free syringe is designed.The drive control system of the pulse power supply is 12 V DC voltage supplied by the battery.Moreover,the Buck and push-pull circuit cascade circuit Boost rectifier filter outputs 0～400 VDC adjustable voltage,and the feedback circuit is used to correct the output voltage.Finally a full-bridge inverter circuit is applied to achieve adjustable output frequency and duty cycle.In this case,the output voltage can linearly change in 0～400 V with the duty cycle in the instantaneous high voltage pulse signal.The experimental results show that the pulse signal is stable and reliable,and the output ripple is in the range of 0.5%or less,to meet the needlefree injection of piezoelectric power supply requirement.
引文
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[2]张磊.高压压电陶瓷驱动电源技术研究[D].哈尔滨:哈尔滨工业大学,2014.
[3]Chen Haichu,Zhang Ruihua,Xiong Genliang,et al.Research on the pizeoelectric driving micro-flux valve power supply[J].Applied Mechanics&Materials,2011,58-60:727-732.
[4]Sun Yeming,Chen Guangming,Zeng Ping.Driving power supply of single-chamber and single-vibrator piezoelectric pump[J].Applied Mechanics&Materials,2013,442:386-391.
[5]Abdelbagi A M,Almuslet N A.Characterization of variable high voltage power supply designed and constructed for low pressure gas discharge[J].International Journal of Emerging Sciences,2011,1(4):735-744.
[6]廖贻泳.基于DSP的压电电机数字驱动电源研究[D].广州:华南农业大学,2016.
[7]龙涛元,张铁民,廖贻泳.宏微运动一体化压电直线电机驱动电路设计[J].中国电机工程学报,2015(S1):184-189.Long Taoyuan,Zhang Tiemin,Liao Yiyong.Design of macro micro motion integrated piezoelectric linear motor drive circuit[J].Chinese Journal of Electrical Engineering,2015(S1):184-189.(in Chinese)
[8]张铁民,许志林,曹飞,等.宏微压电驱动器的电源设计与试验[J].压电与声光,2015,37(1):167-171.Zhang Tiemin,Xu Zhilin,Cao Fei,et al.Design and experiment of a power supply to drive a macro-micro piezoelectric actuator[J].Piezoelectrics&Acoustooptics,2015,37(1):167-171.(in Chinese)
[9]贺斌,陈华,谢红霞.一种数控电位器调节的压电陶瓷驱动电源[J].压电与声光,2012,34(2):253-256.He Bin,Chen Hua,Xie Hongxia.An piezoelectric ceramic driver power supply implemented by digital potentiometer regulation[J].Piezoelectrics&Acoustooptics,2012,34(2):253-256.(in Chinese)
[10]Ahn S H,Ryoo H J,Gong J W,et al.Low-ripple and high-precision high-voltage DC power supply for pulsed power applications[J].IEEE Transactions on Plasma Science,2014,42(10):3023-3033.