1) linear Hall-effect sensor
线性霍尔元件
1.
The equipment adopts UGN3503U linear Hall-effect sensor as a probe to detect the magnetic changes of the centre of a search coil resulted from eddy current effect and transfers the magnetic change into voltage signal.
该金属探测器以AT 89S52单片机为核心,采用线性霍尔元件UGN 3503作为传感器来感应金属涡流效应引起的通电线圈周围磁场的变化,并将磁场变化转化为电压的变化,单片机将测得电压值与试验测定的基准电压值相比较,以确定是否探测到金属。
2.
The method of motor position detection by two low-cost linear Hall-effect sensors mounted 90° electrically apart was proposed to reduce the cost of linear servo system.
为降低直线伺服系统的成本,提出了利用两个安装位置相差90°电角度的低成本线性霍尔元件检测电机位置的方法,对霍尔元件的安装位置进行了研究。
3.
The equipment adopts UGN3503U linear hall-effect sensor as probe to detect the magnetic field change of the centre of a search coil resulted from eddy current effect and turn this magnetic field change into voltage change.
该金属探测器以AT89S52单片机为核心,采用线性霍尔元件UGN3503作为传感器,来感应金属涡流效应引起的通电线圈磁场的变化,并将磁场变化转化为电压的变化,单片机测得电压值,并与设定的电压基准值相比较后,决定是否探测到金属。
2) Hall element
霍尔元件
1.
Temperature Measurement and Compensation Technology of the Multifunctional and Integrated Hall Element;
多功能一体化霍尔元件测温及补偿技术
2.
The Design of a High Performance InSb Hall Element;
高性能InSb霍尔元件的设计
3) hall component
霍尔元件
1.
Study of new power measurement method using Hall component;
用霍尔元件实现功率测量的新方法研究
2.
In this paper ,a small Hall current sensor made from a GaAs Hall component is introduced.
介绍了一种利用砷化镓霍尔元件设计的微型霍尔电流传感器。
3.
A tuning circuit can be constructed by such a Hall component and another capacitor (Hall tuning device).
电容通过霍尔元件的作用表现为感性元件,与另一电容元件可组成用于选频的调谐电路。
4) Hall elements
霍尔元件
1.
This paper describes the structure of rotor and how to place Hall elements for Brushless DC motor,analyses some different situations when to place Hall elements in stator slot and the thing which affects motor torque.
介绍了无刷直流电机转子的主要结构和霍尔元件在无刷直流电机中放置的位置,分析了霍尔元件放置于定子槽内的各种情况对电机转矩的影响。
2.
By several examples, on the basic of describing the basic concepts of the fractional-slot armature windings this paper emphasizes to analyse and to explain following two problems:how to connect the fractional-slot armature windings and how to place Hall elements.
在描述分数槽绕组的基本概念的基础上 ,通过若干个例子 ,着重分析和说明分数槽绕组的连接方式和霍尔元件的空间配置的问
5) Hall sensor
霍尔元件
1.
The basic theory is to transform the magnetic field into the electric field by alnico and hall sensor.
热压后的底板通过该检测系统,利用磁钢和霍尔元件将磁场转化为电场,通过检测板面与检测头之间的位移变化所引起的电压变化,利用计算机和所编软件进行数据处理、设定测量点并控制测量全过程,最终达到厚度检测的要求。
2.
This paper presents an over-current protection circuit of a motor by using a Hall sensor.
本文针对大中型电机的过电流和速断保护,基于霍尔检测原理,采用霍尔元件AN3503和磁线圈设计了一种用于大中型电机过电流保护的检测装置。
6) HALL UNIT
霍尔元件
1.
Calculation and analysis of HALL UNIT magnetic field;
霍尔元件自激场的计算与分析
2.
A new method to compensate the temperature by means software is reported in the experiment of Hall unit, using the software function of the singlion chip processor, it has simple principle, low cost, high precision, the research has made an ideal efficiency of measurement and control.
介绍了霍尔元件测磁场实验中的一种软件温度补偿方法,它利用单片机的强大软件功能,原理简单,成本低,精度高,取得了理想的测量和控制效果。
补充资料：海尔霍尔坝
海尔霍尔坝 |
Hell Hole Dam |
| 概 述 |
| 海尔霍尔坝位于加利福尼亚州鲁比肯（Rubicon）河上，距萨克拉门托市129km，是普莱瑟县中福克工程系统中的一项关键工程。坝基为辉长岩，坝址控制流域面积295km2，多年平均径流量4亿m3，有记录的洪峰流量188m3/s，总库容3亿m3，有效库容2亿m3，水库面积5km2。斜心墙堆石坝，最大坝高125m，坝顶长472m，坝轴线呈弧线形，曲率半径为1219m。上游坡为1∶2.5，下游坡为1∶1.4，上游坝面作成6m高的多级台阶。心墙上游坡为1∶1.57，下游坡为1∶1.34。无控制溢洪道溢顶为上溢式混凝土堰，最大泄量1960m3/s。利用导流隧洞改建成发电引水管和放水管。厂房布置在左岸岸边，装机容量725kW。工程于1966年完工，电站于1984年建成，后来将引水管道延长至下游17km的新电站，装机容量10.98万kW。 |