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    • 3. 发明公开
    • 광섬유 격자 센서
    • 光纤布拉格光栅传感器
    • KR1020140101078A
    • 2014-08-19
    • KR1020130014186
    • 2013-02-08
    • (주)제이엠솔루션
    • 오영기정동호
    • G02B6/02G01B11/16G01K11/32G01L11/02
    • G02B6/02076G01K11/3206G01L1/246G01L11/025
    • Disclosed is a fiber Bragg grating sensor where a clad layer covers a core layer having Bragg gratings. The core layer has a structure expanded further than a fixed width by expanding Bragg gratings located inside by using a fixed method. The clad layer covers the core layer. According to the present invention, physical property variation of a measurement target can be analyzed more accurately by improving resolution of the sensor by maximizing sensitivity of the fiber Bragg grating (FBG) sensor. Also, sensitivity and resolution as a sensor can be improved by increasing movement width of a wavelength according to external influence using the expanded FBG sensor.
    • 公开了一种光纤布拉格光栅传感器,其中覆盖层覆盖具有布拉格光栅的核心层。 通过使用固定方法扩展位于内部的布拉格光栅,芯层具有比固定宽度更大的结构。 覆层覆盖芯层。 根据本发明,通过使光纤布拉格光栅(FBG)传感器的灵敏度最大化,通过提高传感器的分辨率,可以更准确地分析测量对象的物理特性变化。 此外,通过使用扩展的FBG传感器根据外部影响增加波长的移动宽度,可以提高作为传感器的灵敏度和分辨率。
    • 4. 发明公开
    • 광섬유 FBG 센서를 이용한 반복 사용형 콘크리트 양생 온도 측정 장치
    • 使用光纤布拉格光栅传感器的复合类型的混凝土固化温度测量装置
    • KR1020130132054A
    • 2013-12-04
    • KR1020120056129
    • 2012-05-25
    • 한국철도기술연구원
    • 강동훈
    • G01K1/08G01K1/14G01K11/32
    • G01K11/3206G01K1/022G01K1/08G01K1/14
    • An embodiment of the present invention relates to a concrete curing temperature measuring device. The purpose of the present invention is to provide a concrete curing temperature measuring device in a repetitive use type using an optical fiber FBG sensor, which can repetitively use an FBG sensor at a high price and perform concrete curing temperature measurement at a low cost, not through a method of burying the FBG sensor under concrete but through a method of using the FBG sensor by being combined into a hole on the concrete only when measuring temperature. Disclosed is a concrete curing temperature measuring device in a repetitive use type using an optical fiber FBG sensor, which comprises a sensor protective pipe which is detachably combined into a hole formed on concrete: an FBG sensor module which senses the curing temperature of concrete by being combined with the sensor protective pipe; and a protective cap which is combined with the top end of the sensor protective pipe.
    • 本发明的实施例涉及一种混凝土固化温度测量装置。 本发明的目的是提供一种使用光纤FBG传感器的重复使用型混凝土固化温度测量装置,其可以以高价格重复使用FBG传感器并以低成本进行混凝土固化温度测量,而不是 通过将FBG传感器埋在混凝土下方法,但是通过将FBG传感器通过仅在测量温度时结合在混凝土孔中的方法。 公开了一种使用光纤FBG传感器的重复使用型混凝土固化温度测量装置,其包括可拆卸地组合到混凝土形成的孔中的传感器保护管:FBG传感器模块,其通过以下方式感测混凝土的固化温度: 结合传感器保护管; 以及与传感器保护管的顶端组合的保护帽。
    • 5. 发明授权
    • 광섬유 센서장치
    • 光纤传感器设备
    • KR101280922B1
    • 2013-07-02
    • KR1020110146515
    • 2011-12-29
    • 전북대학교산학협력단
    • 반재경최상진
    • G02B6/00
    • G01D5/268G01D5/35354G01K11/3206G02B6/0208
    • PURPOSE: An optical fiber sensing apparatus is provided to have a simple structure without requiring a reference fiber bragg grating (FBG) using two FBG units arranged in an optical fiber or an optical sensing unit arranged between the two FBG units. CONSTITUTION: An optical fiber sensing apparatus (100) includes an optical fiber (115), a first FBG unit (120), an optical fiber sensing unit (130), a second FBG unit (125), and a monitoring unit (140). Light generated from a light source enters the optical fiber. The first FBG unit arranged in the optical fiber reflects part of light generated from the light source. The optical sensor unit arranged in the optical fiber alters the intensity of light passing through the first FBG unit based on a specific physical quantity. The second FBG unit arranged in the optical fiber reflects part of the light passing through the optical fiber sensing unit. The monitoring unit monitors the specific physical quantity altered in the optical sensor unit based on a light intensity ratio of reflective light reflected in the first FBG unit and different reflective light reflected in the second FBG unit. [Reference numerals] (110) Light source; (142) Filter unit; (144) Photoelectric transformation element; (146) Signal processing unit
    • 目的:提供光纤感测装置以具有简单的结构,而不需要使用布置在光纤中的两个FBG单元或布置在两个FBG单元之间的光学感测单元的参考光纤布拉格光栅(FBG)。 构成:光纤感测装置(100)包括光纤(115),第一FBG单元(120),光纤感测单元(130),第二FBG单元(125)和监视单元(140) 。 从光源产生的光线进入光纤。 布置在光纤中的第一FBG单元反映从光源产生的光的一部分。 布置在光纤中的光学传感器单元基于特定物理量改变通过第一FBG单元的光的强度。 布置在光纤中的第二FBG单元反射通过光纤感测单元的光的一部分。 监视单元基于在第一FBG单元中反射的反射光的光强度比和在第二FBG单元中反射的不同反射光来监视光学传感器单元中改变的特定物理量。 (附图标记)(110)光源; (142)过滤单元; (144)光电转换元件; (146)信号处理单元
    • 6. 发明授权
    • 광섬유격자 센서가 내장된 교량용 지능 케이블 시스템
    • 具有内置光纤传感器的桥式智能电缆系统
    • KR101274506B1
    • 2013-06-17
    • KR1020117012458
    • 2009-11-27
    • 패슨 그룹 컴퍼니 리미티드
    • 류이리화조오샤아쇠애화젠저우쭈빙저우밍보자앙은룽류이썽춘리이써엉자양더썽
    • E01D19/16G01K11/32G01L1/24
    • G01L1/246D07B1/145E01D19/16E04C5/125G01K1/14G01K11/3206G01M5/0008G01M5/0025G01M5/0091
    • 본 발명은 일종의 광섬유격자 센서가 내장된 교량용 지능 케이블 시스템으로서, 사장교, 현수교, 아치교 등 케이블 하중 구조에 적용되고, 앵커 컵(1), 와이어판(5), 연결통(4), 광섬유격자 센서 및 케이블 바디(11)가 포함되며, 상기 광섬유격자 센서는 광섬유격자 스트레인 센서(9)와 광섬유격자 온도센서(10)가 포함되며, 상기 광섬유격자 스트레인 센서(9)와 상기 광섬유격자 온도센서(10)의 섬유 말단을 인출하여, 밀봉된 광섬유격자 스트레인 센서(9)는 상기 연결통(4) 부위의 외층 철선(3)에 고정 연결되고, 밀봉된 광섬유격자 온도센서(10)는 상기 연결통 부위의 상기 철선(3)에 매달리게 하며, 상기 와이어판(5)에 홀(5-1)을 뚫고, 상기 연결통(4)과 상기 앵커 컵(1)내에는 미리 예비강관(7)을 매몰하여, 광섬유격자 센서 및 광섬유가 케이블 제조 및 응용 과정 중에서의 생존율을 높이고, 광섬유격자 센서의 주입공정이 차질 없이 확보되며, 또한 효율적으로 광섬유격자 신호가 왜곡되지 않게 케이블 외부로 인출되는 것을 특징으로 한다.
    • 提供了具有内置光纤光栅传感器的桥式智能电缆系统,其应用于斜拉桥,悬索桥和拱桥等电缆轴承结构中。 该系统包括锚定杯(1),线分隔板(5),连接圆筒(4),光纤光栅传感器和电缆体(11),其中光纤光栅传感器包括光纤光栅应变传感器 (9)和光纤光栅温度传感器(10),光纤光栅应变传感器(9)和光纤光栅温度传感器(10)的尾纤被引出,封装光纤光栅应变传感器(9)固定连接到 连接圆筒(4)的外层钢丝(3),封装光纤光栅温度传感器(10)悬挂在连接圆筒(4)的钢丝(3)上,孔(5-1) 冲压在分割板(5)中,并且预先将钢管(7)埋在连接圆筒(4)和锚杯(1)中。 该系统提高光纤光栅传感器和电缆制造和应用过程中的光纤的存活率,确保光纤光栅传感器嵌入技术的可靠性,并有效地将光纤光栅信号从电缆主体引出而不失真。
    • 7. 发明公开
    • 광섬유 브래그 격자 센서 및 그의 제조 방법
    • 光纤布拉格光栅传感器及其制造方法
    • KR1020110120485A
    • 2011-11-04
    • KR1020100039918
    • 2010-04-29
    • 부산대학교 산학협력단
    • 이상매
    • G02B6/02G02B6/136G01N21/01
    • G02B6/02076G01K11/3206G01L1/246G01N21/774G02B6/136G02B2006/12176
    • PURPOSE: An optical fiber bragg grating sensor and a manufacturing method thereof are provided to improve the sensitivity of a sensor and to offer the biosensor of a new structure by asymmetrically eliminating a cladding layer of the optical fiber bragg grating sensor. CONSTITUTION: An optical fiber bragg grating sensor comprises an etched clad layer(41) and an etched core layer(40). The etched clad layer has an asymmetrical form by first and second area in which elimination amount which is eliminated by an etching process in a cross section of a longitudinal direction of etched fiber bragg grating is different. The etched core layer has an exposure area of different size in the first and second area.
    • 目的:提供一种光纤布拉格光栅传感器及其制造方法,以提高传感器的灵敏度,并通过不对称地消除光纤布拉格光栅传感器的包层来提供新结构的生物传感器。 构成:光纤布拉格光栅传感器包括蚀刻的包覆层(41)和蚀刻的芯层(40)。 被蚀刻的包层由第一和第二区域具有不对称的形式,其中在蚀刻光纤布拉格光栅的纵向的横截面中通过蚀刻工艺消除的消除量是不同的。 蚀刻的芯层在第一和第二区域中具有不同大小的曝光区域。
    • 8. 发明公开
    • Prediction technique of temperature varying for hsc column deformation by embedded fbg sensor
    • 嵌入FBG传感器HSC柱变形温度变化预测技术
    • KR20100116365A
    • 2010-11-01
    • KR20090035030
    • 2009-04-22
    • DAEWOO ENG & CONSTR CO LTD
    • JANG IL YOUNG
    • G01K11/32G01K11/12
    • G01K11/3206G01K1/02
    • PURPOSE: A temperature change prediction technique for a high strength concrete column using an embedded optical fiber Bragg lattice sensor is provided to check the deformation and safety of a structure by permanently measuring the temperature change of the structure using an embedded optical fiber Bragg lattice sensor. CONSTITUTION: A temperature change prediction technique for a high strength concrete column using an embedded optical fiber Bragg lattice sensor comprises following steps. An embedded optical fiber sensor is used. The sensor is buried underground in a long-dated and permanent manner. The varied data values are monitored. A post spot is selected in advance to install the sensor before the pouring of concrete.
    • 目的:提供一种使用嵌入式光纤布拉格点阵传感器的高强度混凝土柱的温度变化预测技术,通过使用嵌入式光纤布拉格点阵传感器永久测量结构的温度变化来检查结构的变形和安全性。 构成:使用嵌入式光纤布拉格晶格传感器的高强度混凝土柱的温度变化预测技术包括以下步骤。 使用嵌入式光纤传感器。 传感器以长期永久的方式埋在地下。 监视各种数据值。 在浇筑混凝土之前,提前选择一个后置点安装传感器。
    • 10. 发明公开
    • 온도 센서
    • 温度感应器
    • KR1020080046373A
    • 2008-05-27
    • KR1020060115745
    • 2006-11-22
    • 계명대학교 산학협력단박재희
    • 박재희
    • G01K11/32G01K11/00
    • G01K11/3206A61B5/01G01B2290/25G01D5/266G01D5/268G01K13/002
    • A temperature sensor is provided to allow medical device therewith to radiate laser beam to a human body with heat in a predetermined temperature range. A temperature sensor includes first optical fiber, optical fiber mirrors(10a,10b), and second optical fiber. The first optical fiber consists of a core(13) and a cladding(14). The core and the cladding in the first optical fiber have a property that refractive index thereof varies according to temperature changes. The optical fiber mirrors are installed on the first optical fiber at regular intervals. The second optical fiber has a core. The core of the second optical fiber consists of more than two materials(16,17) having different properties that the refractive index thereof varies according to temperature changes between the optical mirrors.
    • 提供温度传感器以允许其医疗装置在预定温度范围内用热辐射激光束到人体。 温度传感器包括第一光纤,光纤反射镜(10a,10b)和第二光纤。 第一光纤由芯(13)和包层(14)组成。 第一光纤中的芯和包层具有根据温度变化而折射率变化的性质。 光纤镜以规则的间隔安装在第一光纤上。 第二光纤具有芯。 第二光纤的纤芯由多于两种具有不同性质的材料(16,17)组成,其折射率随光学镜之间的温度变化而变化。