公开(公告)号：KR20120042121A

公开(公告)日：2012-05-03

申请号：KR20100103634

申请日：2010-10-22

Applicant: KOREA RES INST OF STANDARDS

Inventor： KIM MUN SEOG ,  KIM KYU TAE ,  KIM WAN SEOP

IPC: G01R19/04

Abstract: PURPOSE: A device and a method for measuring an alternating current signal and a recording medium thereof are provided to obtain direct current value by accurately measuring the waveform of an alternating current signal. CONSTITUTION: An alternating current generating source(100) generates an alternating current signal to measured. A reference direct current generating source(200) is electrically connected to the alternating current generating source and generates a reference direct current signal. A direct current converter(300) generates a synchronizing signal and a trigger signal. A digital-analog converter varies the reference location of the reference direct current signal. A control unit(400) produces effective value of an obtained alternating current signal waveform.

Abstract translation: 目的：提供一种用于测量交流信号的装置和方法及其记录介质，以通过精确测量交流信号的波形来获得直流电流值。 构成：交流发电源（100）产生要测量的交流信号。 参考直流发生源（200）电连接到交流发电源并产生参考直流信号。 直流电流转换器（300）产生同步信号和触发信号。 数模转换器改变参考直流信号的参考位置。 控制单元（400）产生获得的交流信号波形的有效值。

公开(公告)号：KR101127917B1

公开(公告)日：2012-03-21

申请号：KR20100118594

申请日：2010-11-26

Applicant: KOREA RES INST OF STANDARDS

Inventor： PARK PO GYU ,  KIM YOUNG GYUN ,  KIM WAN SEOP ,  KIM KYU TAE ,  KIM MUN SEOG

IPC: G01R15/20 ,  G01R19/32 ,  G01R21/06 ,  G08C17/02

CPC classification number: G01R15/20 ,  G01R15/14 ,  G01R15/148

Abstract: PURPOSE: An apparatus for measuring current and power using magnetic field is provided to accurately measure the current supplied to the load side. CONSTITUTION: A housing(110) holds a magnetic field shielding unit(150) which is formed by wrapping a coil(120), a magnetic field sensor(130), a temperature sensor(140), and a pair of coil voltage measuring terminals with an electromagnetic wave shielding agent. The magnetic field shielding unit shields external magnetic field affecting the coil. A measurement controlling unit(160) converts the change of magnetic field inside the coil detected by the magnetic sensor to the current provided to the load side while the current is provided to the load side The measurement controlling unit displays a converted current on a display unit by compensating the current according to the temperature change inside the coil.

Abstract translation: 目的：提供一种使用磁场测量电流和功率的装置，以精确测量提供给负载侧的电流。 构成：壳体（110）保持通过缠绕线圈（120），磁场传感器（130），温度传感器（140）和一对线圈电压测量端子（140）形成的磁场屏蔽单元（150） 具有电磁波屏蔽剂。 磁场屏蔽单元屏蔽影响线圈的外部磁场。 测量控制单元（160）在将电流提供给负载侧的同时，将由磁传感器检测到的线圈内的磁场的变化转换为提供给负载侧的电流。测量控制单元在显示单元上显示转换的电流 通过根据线圈内的温度变化补偿电流。

公开(公告)号：KR20100048060A

公开(公告)日：2010-05-11

申请号：KR20080107059

申请日：2008-10-30

Applicant: KOREA RES INST OF STANDARDS

Inventor： KIM KYU TAE

IPC: G01R27/08

CPC classification number: G01R27/025 ,  G01R17/105 ,  G01R27/08 ,  G01R31/025 ,  G01R31/2879

Abstract: PURPOSE: A resistance measuring device and a measuring method thereof are provided to obtain a reliable measurement result by selecting only two resistances without sacrificing measurement sensitivity during a process of selecting measurement range. CONSTITUTION: Power supply units(30, 32) supply the constant voltage as two fixed voltage sources. A resistance unit is parallel-connected with the power supply unit. Resistance units(34, 38) comprise two reference resistors serially connected with a potentiometer in-between. A voltmeter(42) measures the voltage between a connection node for two fixed power sources and a variable terminal node of a potentiometer.

Abstract translation: 目的：提供电阻测量装置及其测量方法，以在选择测量范围的过程中仅选择两个电阻而不牺牲测量灵敏度来获得可靠的测量结果。 构成：电源单元（30,32）将恒定电压提供为两个固定电压源。 电阻单元与电源单元并联连接。 电阻单元（34,38）包括与其间的电位器串联连接的两个参考电阻器。 电压表（42）测量两个固定电源的连接节点和电位计的可变端子节点之间的电压。

公开(公告)号：KR100724098B1

公开(公告)日：2007-05-25

申请号：KR20060041845

申请日：2006-05-10

Applicant: KOREA RES INST OF STANDARDS

Inventor： KIM KYU TAE ,  KIM MUN SEOG ,  CHONG YON UK

IPC: H03M1/12 ,  H03M1/66

CPC classification number: H03M1/146

Abstract: An analog-digital converter using a Josephson DAC(Digital Analog Converter) and a method thereof are provided to execute the Josephson ADC(Analog Digital Converter) accurately by combining a programmable array with a prior ADC. An input stage ADC(Analog Digital Converter)(10) converts an analog input signal into digital data. A Josephson DAC(Digital Analog Converter)(20) converts the digital data from the input stage ADC into analog data. A differential ADC(30) extracts a difference voltage between a reference output voltage of the Josephson DAC and an unknown input signal. A data processor(40) adds output data of the differential ADC and output data of the input stage ADC.

Abstract translation: 提供使用约瑟夫逊DAC（数字模拟转换器）的模拟数字转换器及其方法，通过将可编程阵列与先前的ADC组合来精确地执行Josephson ADC（模拟数字转换器）。 输入级ADC（模拟数字转换器）（10）将模拟输入信号转换为数字数据。 约瑟夫森DAC（数字模拟转换器）（20）将来自输入级ADC的数字数据转换为模拟数据。 差分ADC（30）提取约瑟夫逊DAC的参考输出电压和未知输入信号之间的差分电压。 数据处理器（40）将差分ADC的输出数据和输入级ADC的输出数据相加。

公开(公告)号：WO2010050673A3

公开(公告)日：2010-06-24

申请号：PCT/KR2009005077

申请日：2009-09-08

Applicant: KOREA RES INST OF STANDARDS ,  KIM KYU TAE ,  YU KWANG MIN

Inventor： KIM KYU TAE ,  YU KWANG MIN

IPC: G01R27/08

CPC classification number: G01R27/025 ,  G01R17/105

Abstract: The present invention relates to a resistance measuring apparatus and to a measuring method, said apparatus comprising a power supply unit for supplying constant voltage to two fixed voltage sources, a resistance unit connected in parallel to the power supply unit and which includes two reference resistances connected in serial with a potentiometer disposed therebetween, a voltmeter for measuring the voltage between the connection node of said two fixed voltage sources and the variable terminal node of the potentiometer, and an electrical connection means for connecting a resistance to be measured in parallel to either of said two reference resistances. The resistance measuring apparatus and the measuring method according to the present invention are advantageous in that an input of a detector is directly connected to a well-defined common ground to reduce influences from noise and thus enable the measurement of high insulation resistance, and just two reference resistances are selected even without causing a deterioration of the measurement sensitivity during a selection of a measurement range to simplify a circuit configuration and improve the reliability of the measurement result.

Abstract translation: 电阻测量装置及测量方法技术领域本发明涉及一种电阻测量装置和测量方法，所述装置包括用于向两个固定电压源提供恒定电压的电源单元，与电源单元并联连接的电阻单元，其中包括两个连接的参考电阻 与设置在其间的电位器串联地安装用于测量所述两个固定电压源的连接节点与电位计的可变端子节点之间的电压的电压表，以及用于将待测量的电阻与 说两个参考电阻。 根据本发明的电阻测量装置和测量方法的优点在于，检测器的输入直接连接到明确的公共地，以减少噪声的影响，从而能够测量高绝缘电阻，仅两个 即使在选择测量范围时也不会导致测量灵敏度的劣化，因此选择参考电阻以简化电路配置并提高测量结果的可靠性。