微压力弹簧性能自动测试装置的设计与实现
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摘要
针对地震检波器中弹簧片劲度系数的非线性问题,设计了一种微压力弹簧性能自动测试装置。装置中的步进电机驱动直线导轨上的滑块做上下往复运动,滑块推动圆形转盘旋转完成批量待测弹簧性能的实时自动测试;导轨滑块连接的压盘压缩弹簧至预设位置并检测当前弹力值,从而精确测量出弹簧在弹性范围内任意位置所受到的弹力值及劲度系数,实现对称弹簧组的后期匹配使用。测试装置采用双闭环控制,提高了地震检波器的测量精度。试验结果表明,装置测量的位移误差和压力误差都达到了较高的精度要求。
Aiming at the nonlinear problem of the stiffness coefficient of springs in seismic geophone,the automatic performance tester for micro-pressure springs is designed.In this tester,the slider on linear guide rail is driven by the stepping motor and moves reciprocally and vertically;the slider pushes the circular turntable to rotate and complete real time automatic performance test for batch springs to be tested.The spring is compressed to the preset position by the pressure plate connected to the slider,and the current elasticity value is detected,thus the elasticity values and stiffness coefficients in any position within the elastic range of the spring can be measured precisely to implement matching of the symmetrical spring-set later.Double closed loop control is adopted in the tester for improving measurement accuracy of the geophone.The experimental results show that both the displacement error and the pressure error satisfy the accuracy requirment.
Aiming at the nonlinear problem of the stiffness coefficient of springs in seismic geophone,the automatic performance tester for micro-pressure springs is designed.In this tester,the slider on linear guide rail is driven by the stepping motor and moves reciprocally and vertically;the slider pushes the circular turntable to rotate and complete real time automatic performance test for batch springs to be tested.The spring is compressed to the preset position by the pressure plate connected to the slider,and the current elasticity value is detected,thus the elasticity values and stiffness coefficients in any position within the elastic range of the spring can be measured precisely to implement matching of the symmetrical spring-set later.Double closed loop control is adopted in the tester for improving measurement accuracy of the geophone.The experimental results show that both the displacement error and the pressure error satisfy the accuracy requirment.
引文
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[3]李海波,张淑梅,林兆华,等.基于MSP430的步进电机调焦控制系统设计[J].仪表技术与传感器,2011(1):98-100.
[4]王亭岭,熊军华.3种脉冲计数检测电路的设计与分析[J].华北水利水电学院学报,2010,31(4):76-79.
[5]刘虹,何蕴增,杨丽红.圆锥螺旋弹簧的非线性理论研究[J].哈尔滨工程大学学报,2005,26(5):628-632.
[6]刁红泉,胡伟雄,颜钢锋.基于单片机的改进型五相混合式步进电机驱动器设计[J].工程设计学报,2004,11(1):19-22.
[7]张秦岭,李艳明,郭宏.一种高性能两相步进电动机细分驱动器的设计[J].北京航空航天大学学报,2006,32(9):1039-1042.
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[9]刘笃喜,杨朋伟,王宏旭.基于二次分步定位的快速精确位置控制方法研究[J].计算机测量与控制,2009,17(9):1724-1725.
[10]王艳春,罗少轩.基于MC9S08SH4和AD7705的智能传感器系统设计[J].电子技术应用,2010(3):83-85
[2]周磊,陈时锦,程凯.超精密车床进给伺服系统的复合控制设计[J].机械设计与制造,2007(2):92-93.
[3]李海波,张淑梅,林兆华,等.基于MSP430的步进电机调焦控制系统设计[J].仪表技术与传感器,2011(1):98-100.
[4]王亭岭,熊军华.3种脉冲计数检测电路的设计与分析[J].华北水利水电学院学报,2010,31(4):76-79.
[5]刘虹,何蕴增,杨丽红.圆锥螺旋弹簧的非线性理论研究[J].哈尔滨工程大学学报,2005,26(5):628-632.
[6]刁红泉,胡伟雄,颜钢锋.基于单片机的改进型五相混合式步进电机驱动器设计[J].工程设计学报,2004,11(1):19-22.
[7]张秦岭,李艳明,郭宏.一种高性能两相步进电动机细分驱动器的设计[J].北京航空航天大学学报,2006,32(9):1039-1042.
[8]阮太元,刘智勇.嵌入式系统在多功能精密高度测量仪中的应用[J].计算机测量与控制,2010,18(4):890-891.
[9]刘笃喜,杨朋伟,王宏旭.基于二次分步定位的快速精确位置控制方法研究[J].计算机测量与控制,2009,17(9):1724-1725.
[10]王艳春,罗少轩.基于MC9S08SH4和AD7705的智能传感器系统设计[J].电子技术应用,2010(3):83-85
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