霍尔传感元器件及其常见应用举例答案.doc

课程设计 题目 ： 霍尔器件及其应用 ： 环境与能源工程学院 课程名称 ： 传感器 学号 ： 姓名 ： 指导老师 ： 摘要 霍尔器件是一种磁传感器。用它们可以检测磁场及其变化，可在各种与磁场有关的场合中使用。霍尔器件以霍尔效应为其工作基础。 霍尔器件具有许多优点，它们的结构牢固，体积小，重量轻，寿命长，安装方便，功耗小，频率高（可达1MHZ），耐震动，不怕灰尘、油污、水汽及盐雾等的污染或腐蚀。 霍尔线性器件的精度高、线性度好；霍尔开关器件无触点、无磨损、输出波形清晰、无抖动、无回跳、位置重复精度高（可达μm级）。取用了各种补偿和保护措施的霍尔器件的工作温度范围宽，可达－55～150。 按照霍尔器件的功能可将它们分为:霍尔线性器件和霍尔开关器件。前者输出模拟量，后者输出数字量。 按被检测的对象的性质可将它们的应用分为:直接应用和间接应用。前者是直接检测出受检测对象本身的磁场或磁特性，后者是检测受检对象上人为设置的磁场，用这个磁场来作被检测的信息的载体，通过它，将许多非电、非磁的物理量例如力、力矩、压力、应力、位置、位移、速度、加速度、角度、角速度、转数、转速以及工作状态发生变化的时间等，转变成电量来进行检测和控制。 关键词：霍尔线性器件；霍尔开关器件 summary Holzer device is a magnetic sensor. They can detect the magnetic field and its changes, and can be used in all kinds of situations related to magnetic field. Holzer device based on Holzer effect.Holzer devices have many advantages, they have a strong structure, small size, light weight, long life, easy installation, small power consumption, high frequency (up to 1MHZ), resistance to vibration, not afraid of dust, oil, water vapor and salt fog, etc..Holzer linear device of high precision, good linearity; Holzer switch device with no contact, no wear, no jitter, the output waveform is clear, no rebound, position of high repetition accuracy (up to m level). The operating temperature range of the Holzer device with various compensation and protection measures is 150, 55,.According to the functions of the Holzer device can be divided into: Holzer linear devices and Holzer switch device. The former output analog quantity, the latter output digital quantity.According to the nature of the detected objects can be divided into their applications: direct and indirect application. The former is directly detected by the detection of the object itself or the magnetic properties of magnetic field, the latter is artificially set and detected the object on the magnetic field, the magnetic field vector, to the detected information through it, many non electricity and non ph