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公开(公告)号：KR100353047B1
公开(公告)日：2002-09-16
申请号：KR1019990064620
申请日：1999-12-29
IPC: G01T1/02
Abstract: 본발명은 Power pMOSFET을사용한고준위방사선용γ선실시간소형선량계에관한것으로, 그목적은 1KRad와 100KRad 범위의γ방사선피폭에대하여선형적인감지특성을갖는 Power pMOSFET을이용한방사선누적센서와 100KRad 범위의고준위방사선피폭에도전혀영향을받지않는전자회로만으로구성하여고방사선지역에서사용되는기기및 장비의방사선피폭으로인한고장및 오동작을예방하고이들의수명을예측할수 있는방사선피폭측정용선량계를제공하는데있다. 본발명의구성은방사선을감지하는선량계를구성함에있어서, 방사선의피폭량에따라선형적으로문턱전압(Threshold Voltage)값이증가하는 pMOSFET으로된 누적센서(1)와; 상기누적센서(1)의문턱전압을측정하기위하여, 게이트사이에생기는작은전위차로인해발생되는작은전류를 Power pMOSFET(1)의드레인전극에일정하게공급하는 JFET-1(2) 및 JFET-2(3)와; 상기공급되는전류를 pMOSFET의종류에맞게조정하는가변저항(4) 만으로회로가구성되는것을요지로한다.
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公开(公告)号：KR1020020054547A
公开(公告)日：2002-07-08
申请号：KR1020000083668
申请日：2000-12-28
IPC: G01T1/29
Abstract: PURPOSE: A method and apparatus is provided to perform radioactive decontamination in a short time by accurately measuring position of radiation source and radiation dosage through the use of a plurality of CCD cameras attached to a remote control robot. CONSTITUTION: A method comprises a step of shielding the light incident to two cameras arranged in a horizontal direction; a step of obtaining a CCD camera image through an image processing unit; a step of calculating brightness of the obtained image, through the image processing unit; a step of searching the horizontal position of the radiation source by moving the CCD cameras in a horizontal direction in accordance with the change of the calculated brightness value and brightness ratio; a step of photographing the horizontal position of the radiation source in an actual image, by changing the angle of one of the two cameras; a step of displaying the actual image onto a monitor, and indicating the horizontal position of the radiation source by the image processing unit and image analysis unit; a step of returning the two cameras to their original positions, and rotating the cameras at the angle of 90 degree in a vertical direction; a step of obtaining images of the two cameras through the image processing unit; a step of calculating brightness of the obtained image, through the image processing unit; a step of searching the vertical position of the radiation source by moving the CCD cameras in a vertical direction in accordance with the change of the calculated brightness value and brightness ratio; a step of photographing the vertical position of the radiation source in an actual image, by changing the angle of one of the two cameras; a step of displaying the actual image onto a monitor, and indicating the vertical position of the radiation source by the image processing unit and image analysis unit; a step of calculating radiation dosage by the image analysis unit, by comparing the brightness value at the site where the vertical/horizontal position of the radiation source is indicated, with the brightness value which is preset in accordance with the change of radiation dosage; and a step of displaying the calculated radiation dosage onto a monitor.
Abstract translation: 目的：提供一种方法和装置，通过使用附接到遥控机器人的多个CCD摄像机，通过精确地测量辐射源的位置和辐射剂量，在短时间内进行放射性净化。 构成：一种方法包括屏蔽入射到沿水平方向布置的两个相机的光; 通过图像处理单元获得CCD摄像机图像的步骤; 通过图像处理单元计算所获得的图像的亮度的步骤; 通过根据计算出的亮度值和亮度比的变化沿水平方向移动CCD照相机来搜索辐射源的水平位置的步骤; 通过改变两个相机之一的角度来拍摄实际图像中的辐射源的水平位置的步骤; 将实际图像显示在监视器上，并由图像处理单元和图像分析单元指示辐射源的水平位置的步骤; 将两个照相机返回到其原始位置并沿垂直方向以90度的角度旋转照相机的步骤; 通过图像处理单元获得两个相机的图像的步骤; 通过图像处理单元计算所获得的图像的亮度的步骤; 根据计算的亮度值和亮度比的变化，通过沿垂直方向移动CCD照相机来搜索辐射源的垂直位置的步骤; 通过改变两个照相机之一的角度来拍摄实际图像中的辐射源的垂直位置的步骤; 将实际图像显示在监视器上，并由图像处理单元和图像分析单元指示辐射源的垂直位置的步骤; 通过比较指示辐射源的垂直/水平位置的位置处的亮度值与根据辐射剂量的变化预设的亮度值来计算图像分析单元的辐射剂量的步骤; 以及将计算的辐射剂量显示在监视器上的步骤。
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公开(公告)号：KR1020010064424A
公开(公告)日：2001-07-09
申请号：KR1019990064620
申请日：1999-12-29
IPC: G01T1/02
Abstract: PURPOSE: A γray real-time small dosimeter for high level radiation using a power pMOSFET is provided to prevent troubles and erroneous operation of equipments used in a high radiation area and estimate the lift of the equipments. CONSTITUTION: A γray real-time small dosimeter for high level radiation using a Power pMOSFET includes an accumulation sensor(1) increasing threshold voltage linearly according to the radiation bombed amount, a JFET-1(2) and a JFET-2(3) regularly supplying little current generated by little displacement difference generated between gates to a drain electrode to measure the threshold voltage of the accumulation sensor, and a variable resistance(4) controlling the supplied current to be fit to the kind of pMOSFET.
Abstract translation: 目的：提供一种用于使用功率pMOSFET的高电平辐射的γray实时小剂量计，以防止在高辐射区域使用的设备的麻烦和错误操作，并估计设备的升力。 构成：使用功率pMOSFET的用于高电平辐射的γ射线实时小剂量计包括累积传感器（1）根据辐射轰击量线性增加阈值电压，JFET-1（2）和JFET-2（3） 定期将栅极之间产生的少量位移差产生的电流提供给漏电极，以测量累积传感器的阈值电压;以及可变电阻（4），控制所提供的电流以拟合到pMOSFET的种类。
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公开(公告)号：KR102241475B1
公开(公告)日：2021-04-16
申请号：KR1020190153657
申请日：2019-11-26
Applicant: 한국원자력연구원
Abstract: 휴대용방사선탐지장치및 그방법에관한것으로, 휴대용방사선탐지장치는복수개의개구부를포함하는차폐체내부에고정되어개구부로부터입사되는방사선의선량을측정하는방사선검출센서부, 차폐체일단에위치하여미리설정된속도와횟수에대응하여차폐체를회전시키는회전구동부, 장착된하나이상의자세보정센서를통해축의변화를탐지하고, 기준축의기울기를보정하는축 보정부, 그리고보정된좌표에기초하여측정된방사선의선량율의크기에따라제1 피크지점과제2 피크지점을선택하여방사성물질의방향을측정하는방향측정부를포함한다.
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公开(公告)号：KR1020200141292A
公开(公告)日：2020-12-18
申请号：KR1020190068127
申请日：2019-06-10
Applicant: 한국원자력연구원
Abstract: 방사성물질위치탐지를위한전방향방사선탐지장치및 그방법에관한것으로, 일정한간격으로형성된수평탐지개구부와수직탐지개구부를포함하는차폐체, 차폐체내부에고정되며, 개구부로부터입사되는방사선의선량을측정하는방사선검출센서부, 차폐체일단에위치하여미리설정된속도로차폐체를회전시키는회전체, 그리고수평탐지개구부를통해측정되는방사선의선량율에기초하여방사성물질의수평방향을탐지하고, 수직탐지개구부를통해측정되는방사선의선량율에기초하여상기방사성물질의수직방향을탐지하여상기방사성물질의위치를측정하는방향측정부를포함한다.
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Patent Agency Ranking
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公开(公告)号：KR101845291B1
公开(公告)日：2018-04-04
申请号：KR1020160026615
申请日：2016-03-04
Applicant: 한국원자력연구원
Abstract: 본발명은, 핵폭발시발생하는과전류/과전압으로부터전자장비(회로, 전자소자등)를보호하는핵 방호모듈및 그제어방법에관한것으로서, 본발명의실시예에따른핵 방호모듈은, 핵폭발에의해발생하는전자기펄스(electromagnetic Pulse)에의해생성하는전도성과전류를차단하는제1 차단부와; 상기핵폭발에따른펄스방사선에의해발생하는유도성과전류를검출하고, 상기유도성과전류를전압으로변환하고, 상기변환된전압이기준전압이상일때 검출신호를발생하는핵폭발검출부와; 상기핵폭발검출부를통해흐르는상기유도성과전류를차단하는제2 차단부와; 입력단으로부터공급되는입력전원을부하회로로인가하거나, 상기검출신호를근거로상기부하회로에인가되는입력전원을차단하는전원차단부를포함할수 있다.
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公开(公告)号：KR1020170103555A
公开(公告)日：2017-09-13
申请号：KR1020160026615
申请日：2016-03-04
Applicant: 한국원자력연구원
Abstract: 본발명은, 핵폭발시발생하는과전류/과전압으로부터전자장비(회로, 전자소자등)를보호하는핵 방호모듈및 그제어방법에관한것으로서, 본발명의실시예에따른핵 방호모듈은, 핵폭발에의해발생하는전자기펄스(electromagnetic Pulse)에의해생성하는전도성과전류를차단하는제1 차단부와; 상기핵폭발에따른펄스방사선에의해발생하는유도성과전류를검출하고, 상기유도성과전류를전압으로변환하고, 상기변환된전압이기준전압이상일때 검출신호를발생하는핵폭발검출부와; 상기핵폭발검출부를통해흐르는상기유도성과전류를차단하는제2 차단부와; 입력단으로부터공급되는입력전원을부하회로로인가하거나, 상기검출신호를근거로상기부하회로에인가되는입력전원을차단하는전원차단부를포함할수 있다.
Abstract translation: 本发明，如从过电流/过电压发生在核保护模块上的核电子，和用于保护（电路，电子设备等），核保护模块根据本发明的一个实施例中，由一个核爆炸的控制方法 第一阻断单元，用于阻断由产生的电磁脉冲产生的导电过电流; 和用于检测根据核爆炸通过脉冲辐射性能产生的感应电流，并且转换所述感应电流和电压，并且当电压超过转换电压这些标准生成检测信号核检测器; 第二阻断单元，用于阻断流过核爆探测单元的电感和电流; 施加从输入端提供给负载电路，或者关断以阻止施加到所述负载电路的检测信号可以包含部件的基础上的输入功率的功率的输入功率。
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公开(公告)号：KR101765089B1
公开(公告)日：2017-08-07
申请号：KR1020150185452
申请日：2015-12-23
Applicant: 한국원자력연구원
Abstract: 본발명의일 실시예에따른 FBG센서를이용한측정방법은 FBG센서의개수또는복수의 FBG센서각각의중심파장및 주변파장의특성또는중심파장과주변파장의차이값중 적어도어느하나의정보를선택하여입력하는입력단계와, 상기복수의 FBG센서에서브래그(Bragg)파장을측정하는측정단계와, 상기각각의 FBG센서에서측정된브래그(Bragg)파장의스펙트럼을데이터로저장하는저장단계와, 상기입력단계에서입력된정보와, 상기저장단계에서저장된스펙트럼상의파장을비교하여상기저장단계에서저장된복수의파장의겹침(overlap)이발생했는지여부를판단하는판단단계와, 상기판단단계의결과에기초하여 FBG센서의브래그(Bragg)파장의변화량을산출하는산출단계와, 상기측정된파장변화량을센서측정값으로변환하는환산단계를포함하고, 상기판단단계는, 상기 FBG센서의개수와저장된데이터에표시된파장의개수를비교할수 있다.
Abstract translation: 使用根据本发明的一个实施例中的FBG传感器中选择一个数字或多个FBG的差值的信息的至少一个的测量方法传感器各自的中心波长和周围的波长特性或中心波长和FBG传感器的波长附近 测量多个FBG传感器中的布拉格波长的测量步骤，存储步骤，用于存储由每个FBG传感器测量的布拉格波长的光谱作为数据， 确定步骤，将在输入步骤输入的信息与存储在存储步骤中的波长进行比较，以确定是否发生了存储在存储步骤中的多个波长的重叠; 计算所述FBG传感器的布拉格波长的变化量;以及转换步骤，将所述测量的波长变化量转换为传感器测量值，其中，所述确定步骤包括： 它可以与在数据所表示的波长的数量。
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