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:2010-05:(1971),,,杨俊恩1,孟志东2,杨国鹏1,张子春1(1.中国北方发动机研究所,山西大同037036;2.山西平朔煤矸石发电有限公司,山西朔州036800):在车用动力控制系统的恶劣环境中,转速测量与处理技术具有一定的挑战性,既要考虑检测传感器自身的可靠性指标,又要考虑其调理电路对测量信号的噪声抑制与故障处理能力文章分析了差分霍尔传感器的工作原理,介绍了利用差分霍尔传感器实现转速测量的理论基础和实用电路:差分霍尔传感器;转速测量;试验研究:TP212:B:1006-2394(2010)10-0066-05SpeedMeasurmentTechnologyUsingDifferentialHallTransducerYANGJunen1,MENGZhidong2,YANGGuopen1,ZHANGZichun1(1.ChinaNorthEngineResearchInstitute,Datong037036,China;2.ShanxiPingshuoGanguePowerPlantLtd.,Shuozhou036800,China)Abstract:Speedmeasuringandtreatingtechnologyhasconsiderablechallengeinvehiclecontrolledsystems'seriousenvironment.Thetransducers'reliabilityindexisconsidered,atthesametimediagnosisandtreatingcapabilitytomeasuredsignalisthinkedover.TheworkingprincipleofHalltransducerisanalyzed.AndthetheoryandpracticalcircuitusingdifferentialHalltransducerforspeedmeasuringtechnologyareintroduced.Keywords:differentialHalltransducer;speedmeasuremen;texperimentalresearch11.112;图1差分霍尔传感器的内部结构图2差分霍尔传感器内部电路原理图1.21.2.13,,,12,12图3差分霍尔传感器的转速测量示意图1.2.2,,,1.2.366201010,,,22.12.1.1(1),,,(2)!:m=dz(1)d,z∀T,:T=dz=m(2)#D,1,3.14()mm,3,,,(3),,,,,,;,(),(4),/,,2.1.2,,,(50%),,(1)D(,T=4D)!4D图4齿盘霍尔器件传感器输出信号关系∀A,/,#B,/,,;,∃C,,,,,,,%:,,,,,(2)D(,T=2D)!5D∀A,/,67201010图5齿盘霍尔器件传感器输出关系#B,#∃C,∃%D,∀&:%,,,,,(3)D,T=12DD,,,2.22.2.1,,,2,,,,,2.2.2(1)6,3(2),,63.15V1.35V,,(3),33.1(1)7,,(2)3.15V4.5V,3.15V1.0V,63.23.2.1(1)8Multsim图6传统转速调理电路及其波形68201010图7优化设计的转速调理电路及其波形图8电路仿真模型(2),,:,;,CH3,CH43.2.2,1,1::+5V::/Hz/%/Hz/%8000136200042600010510002140007350010.44,4.12232A(a)B(b)(c)4.2(1):AB,(0∋180∋)(a),9(2):AB(a)/(b),10(3):A(c),11(4):,,1269201010A(0∋180∋)B(0∋180∋)图9传感器的异同性试验A(a/b)B(a/b)图10齿盘的异同性试验图11测量间隙的异同性试验图12传感器的错误检测试验4.3(1)A,,B,;(2),50%,;(3),;(4),,,,5,,,,:[1].CMOSIC[M].:,1982.[2],.[M].:,2006.()70201010