公开(公告)号：KR101207345B1

公开(公告)日：2012-12-05

申请号：KR1020100075660

申请日：2010-08-05

Applicant: 한국표준과학연구원

Inventor： 황두선 ,  권일범 ,  윤동진

IPC: G01K11/32 ,  G01J3/44 ,  G02B6/00 ,  G01K15/00

CPC classification number: G01K11/32 ,  G01K2011/322 ,  G01K2011/324

Abstract: 본발명은하나의광원과하나의광검출기를이용하여자동보정된온도를측정할수 있는효과가있다. 이를위해특히, 전원공급부(100)와, 펄스발생기(110)와, 레이저다이오드(105)로구성되어펄스변조된광신호를발생시키는광원부; 광원부에연결되어광신호가입사되어전송되는피측정광섬유(120); 피측정광섬유(120)의끝단에구비되어피측정광섬유(120)를통해전송된광신호를피측정광섬유(120)를따라반사시키는반사수단(125); 피측정광섬유(120)와광원부사이에구비되어피측정광섬유(120)로부터입사되는광신호를광원부으로부터입사된광신호와는다른방향으로분리전송시키는광순환기(115); 광순환기(115)에연결되어광순환기(115)로부터분리전송된광신호들중 안티스톡스라만산란광신호만을분리하여투과시키는라만필터(130); 라만필터(130)에연결되어안티스톡스라만산란광신호를신호처리가능한전기신호로변화시키는광검출기(135); 광검출기(135)에연결되어변화된전기신호를증폭시키는증폭기(140); 증폭기(140)에연결되어증폭된전기신호를디지털형태로변환하는디지털변환기(145); 및디지털변환기(145)에연결되어라만효과를이용하여온도를측정함에따라, 피측정광섬유(120)의거리방향으로분포된온도데이터를출력하는신호처리부(150);를포함하는것을특징으로하는자동보정기능을갖는광섬유분포온도센서시스템및 자동보정된온도측정방법이개시된다.

公开(公告)号：KR1020120013597A

公开(公告)日：2012-02-15

申请号：KR1020100075660

申请日：2010-08-05

Applicant: 한국표준과학연구원

Inventor： 황두선 ,  권일범 ,  윤동진

IPC: G01K11/32 ,  G01J3/44 ,  G02B6/00 ,  G01K15/00

CPC classification number: G01K11/32 ,  G01K2011/322 ,  G01K2011/324

Abstract: PURPOSE: An optical fiber distribution temperature sensor having an automatic calibration function, and a temperature measuring method using the same are provided to measure the temperature which is automatically compensated. CONSTITUTION: An optical fiber distribution temperature sensor comprises an optical source, an measurement target optical fiber(120), a reflective member(125), an light circulator(115), an optical detector(135), an amplifier(140), a digital converter(145) and a signal processing unit. The optical source is composed of a power supply unit, a pulse generator and a laser diode. Measurement target optical fiber is connected to the optical source. The reflective member is included in the end of measurement target optical fiber. The light circulator is included between measurement target optical fiber and optical source.

Abstract translation: 目的：提供具有自动校准功能的光纤分布温度传感器和使用其的温度测量方法来测量自动补偿的温度。 构成：光纤分布温度传感器包括光源，测量目标光纤（120），反射构件（125），光循环器（115），光学检测器（135），放大器（140）， 数字转换器（145）和信号处理单元。 光源由电源单元，脉冲发生器和激光二极管组成。 测量对象光纤连接到光源。 反射构件包括在测量目标光纤的末端。 光环行器包括在测量目标光纤和光源之间。