Abstract:
PURPOSE: A goniophotometer, a measuring method using the goniophotometer, and a device for processing the goniophotometer is provided to drive an LED as pulsed power, thereby performing a measurement while maintaining joint temperature uniformly to be closed to room temperature. CONSTITUTION: A goniophotometer comprises an illuminance meter(160), a rotary stage(110), a lamp(147), and a rotation member(130). The rotary stage mounts the illuminance meter and rotates the illuminance meter around a central axis, thereby providing an orbital plane. The lamp is arranged at a spot where the orbital plane and central axis of the rotary stage. The rotation member rotates the lamp around a rotation axis parallel to the orbital plane. The center of the rotary stage coincides with the central axis of a cylindrical coordinate system and a Z-axis of the cylindrical rotating member coincides with the central axis of the rotary stage. [Reference numerals] (182) Processing unit; (192) Control unit
Abstract:
본 발명은 태양전지 등 광전변환 검출기(photovoltaic detector)의 분광 특성 측정 장치, 분광 특성 측정 방법, 내부양자효율 측정 장치 및 내부양자효율 측정 방법을 제공한다. 이 분광 특성 측정 장치는 내면에서 확산 반사하는 케비티, 케비티에서 중심축을 지나는 직선 상에 배치되고 케비티에 형성되고 서로 마주보는 제1 개구부 및 제2 개구부, 제1 개구부를 통하여 제2 개구부의 출구에 배치된 시료에 넓은 선폭을 가지는 태양 모사광을 제공하는 태양 모사부, 및 제1 개구부와 제2 개구부를 연결하는 직선과 교차하는 직선 상에 좁은 선폭을 가지는 분광 광을 제공하는 분광 광원부를 포함한다. 분광 광원부의 분광 광은 케비티 내부에서 확산 반사되어 시료에 균일하게 제공된다. 태양전지, 광전변환 검출기, 분광특성, 미분적 분광감응도, 적분구, LED
Abstract:
PURPOSE: A thermoelectric element property measuring apparatus and method are provided to accurately calculate generation efficiency and thermal conductivity using an absorbed radiant flux output and a current voltage property. CONSTITUTION: A heating construction body(130) is arranged with a cooling structure body. An under test thermoelectric element(140) is located between the heating construction body and the cooling structure body. A current and voltage measuring part(150) measures a current and voltage of the under test thermoelectric element. The cooling structure body cools one side of the under test thermoelectric element. The heating construction body heat the other side of the under test thermoelectric element.
Abstract:
PURPOSE: An optical device and a compensating method thereof for measuring quantum efficiency homogeneity are provided to enhance reliability of a solar cell, a solar cell module or a solar cell panel. CONSTITUTION: Light is projected to a region of interest in the first plane in which a predetermined source region of an image device is selected(S1100). Illuminance is measured through an illuminance meter arranged in the region of interest of the first plane(S1110). Each pixel of the image device is compensated and the illuminance within the region of interest of the first plane is regulated(S1120). A solar cell, a solar cell module, and a solar cell panel are arranged to the first plane(S1130). The light is projected to the target zone of the first plane(S1140).
Abstract:
PURPOSE: A method of simultaneously measuring the emissivity, transmittance and reflectivity of high-temperature semi-transparent or transparent sample is provided to calculate the emmisivity, transmittance and reflectivity of high-temperature semi-transparent or transparent sample using a high-emissitvity substrate material and a low-emissivity substrate material. CONSTITUTION: A method of simultaneously measuring the emissivity, transmittance and reflectivity of high-temperature semi-transparent or transparent sample is as follows. The sensitivity of an experiment device is calculated(110). The emissivity of a high-emissivity substrate material and the emissivity of a low-emissivity substrate material are calculated(120). The radiation of sample to the high-emissivity substrate material is calculated at a given temperature(130). The radiation of sample to the low-emissivity substrate material is calculated at a given temperature(140). The transmittance of the sample is calculated(150). The emissivity of the sample is calculated(160). The reflectivity of the sample is calculated(170).
Abstract:
PURPOSE: An object built-in type measuring case for measuring a spectral emissivity is provided to fix multiple objects to a holder, and to selectively locate the objects in a position for measuring. CONSTITUTION: An object built-in type measuring case for measuring a spectral emissivity comprises a case body(10), a black body forming member(20), a cover(30), a holder(40), a measuring hole blocking member(50), a vacuum unit(60), and a temperature setting unit(70). An object putting space(11) is formed in the case body. A black body mounting hole is formed in the case body. A black body(21) is formed in the black body forming member. The cover can be separated from the case body. The holder has a clamp for fixing an object(1). The measuring hole blocking member measures heat of the object and the black body located in a measuring hole(31). The temperature setting unit heats the case body and the black body forming member to have the same temperature.
Abstract:
PURPOSE: A device and a method for measuring the total luminous flux of a luminous element are provided to accurately measure the total luminous flux by minimizing errors. CONSTITUTION: A method for measuring the total luminous flux of a luminous element is as follows. A standard illuminant is installed in the inner center of an integrating sphere. A bulb socket(20) is installed in the same position as the standard illuminant, and multiple luminous elements are installed in the bulb socket. The standard illuminant detects an electric signal depending on the intensity of illumination of the integrating sphere by simultaneously lightening the luminous elements. A correction factor is calculated by correcting the electric signal.
Abstract:
본 발명은 직류-저주파 교정기의 원격 교정 시스템에 관한 것이다. 이를 위해, 클라이언트 컴퓨터(50)가 네트워크(10)를 통해 웹서버(22)에 접속하여 설치 프로그램을 다운로드하여 교정 프로그램을 설치하는 단계(S100); 상기 교정 프로그램을 실행하는 단계(S110); 상기 클라이언트 컴퓨터(50)가 GPIB를 스캔하여 연결상태 및 연결주소를 판독하는 단계(S120); 상기 클라이언트 컴퓨터(50)가 DB 서버(30)에 GPIB 명령어를 요청하는 단계(S130); 수신된 GPIB 명령어를 MTS(60)로 전송하고, 교정기(70)를 대상으로 한 상기 MTS(60)의 응답을 상기 DB 서버(30)로 회신하는 단계(S140); 및 상기 DB 서버(30)가 회신된 응답을 테이블(32)에 저장하고, 응답의 편차로부터 불확도를 평가하는 단계(S150);로 구성되고, 상기 클라이언트 컴퓨터(50)에는 상기 MTS(60) 및 상기 교정기(70)와 통신하기 위하여 IEEE 488.2 통신 프로토콜 수단(56)을 더 포함하고 있는 것을 특징으로 한다. 직류, 저주파, 원격, 교정, 네트워크, 인터넷, GPIB, 통신, 불확도
Abstract:
A system for remotely calibrating a DC-low frequency calibrator is provided to enable a central part to calibrate the remote DC-low frequency calibrator without an expert or an experienced person through the network by downloading and installing a calibration program to a client computer, and keep a national standard and retroactive property by determining an inaccurate level from a calibration result. An installer installs the calibration program by downloading an installation program from a web server(22) through the network(10). A reader reads a connection state and address by scanning a GPIB(General Purpose Interface Bus) in the client computer(50). A database server(30) includes/transmits GPIB commands according to a request of the client computer. An MTS(Multifunction Transfer Standard)(60) calibrates the calibrator(70) based on the received GPIB commands and outputs the calibration result as a response signal. An evaluator evaluates the inaccurate level of the calibrator based on the response signal. The client computer includes a display part sequentially displaying the GPIB commands and the corresponding response signal of the MTS.