公开(公告)号：US07825371B2

公开(公告)日：2010-11-02

申请号：US12342592

申请日：2008-12-23

申请人： Ming Ruan ,  Yingrong Jian ,  Kun Zhao ,  Yali Xie ,  Jin Lin

发明人： Ming Ruan ,  Yingrong Jian ,  Kun Zhao ,  Yali Xie ,  Jin Lin

IPC分类号： G01D18/00

CPC分类号： G01T1/362 ,  G01T1/40

摘要： The invention provides a multichannel analyzer for use in a multichannel spectrometer, which comprises a standard spectrum calibrator for obtaining energy calibration parameters of said multichannel spectrometer; an environment background spectrum calibrator for obtaining parameters of a current and a previous environment background spectrum; a peak shift detector for analyzing the parameters of the current and previous environment background spectrum to determine whether a peak shift occurs between them and to determine a correction coefficient of the peak shift; and a parameter corrector for correcting the energy calibration parameters of said multichannel spectrometer using said peak shift correction coefficient. The invention also provides a method for correcting a peak shift of a multichannel spectrometer adapted in the multichannel analyzer. The method for correcting and the multichannel analyzer can correct and monitor the peak shift of the multichannel spectrometer in real time.

摘要翻译： 本发明提供一种用于多通道光谱仪的多通道分析仪，其包括用于获得所述多通道光谱仪的能量校准参数的标准光谱校准器; 环境背景光谱校准器，用于获得当前和先前环境背景光谱的参数; 峰值移位检测器，用于分析当前和以前的环境背景谱的参数，以确定它们之间是否发生峰值偏移，并确定峰值偏移的校正系数; 以及参数校正器，用于使用所述峰值偏移校正系数校正所述多通道光谱仪的能量校准参数。 本发明还提供了一种用于校正适用于多通道分析仪的多通道光谱仪的峰值偏移的方法。 校正方法和多通道分析仪可以实时校正和监测多通道光谱仪的峰值偏移。

公开(公告)号：US07947957B2

公开(公告)日：2011-05-24

申请号：US12340966

申请日：2008-12-22

申请人： Ming Ruan ,  Yingrong Jian ,  Kun Zhao ,  Jin Lin

发明人： Ming Ruan ,  Yingrong Jian ,  Kun Zhao ,  Jin Lin

IPC分类号： G01T1/20

CPC分类号： G01T1/362

摘要： The invention provides a data processing device for processing an reference background spectrum and a measurement spectrum of a radioactive material represented by a multichannel spectrum to acquire energy region information of detected gamma rays comprises: energy region dividing means for degenerating multichannel spectrum into a degenerated spectrum of limited channels; degenerated spectrum calculating means for calculating a background and measurement degenerated spectrum corresponding to degenerated spectrum of limited channels respectively; energy ratio calculating means for calculating a energy ratio based on the calculated background and measurement degenerated spectrum; peak-detection means, for searching a peak value in the calculated energy ratios; energy region determining information for determining a corresponding energy region of gamma rays based on the searched peak value in the energy ratios. The invention also provides a radiation detection method and a radiation detection system employing the data processing device.

摘要翻译： 本发明提供了一种数据处理装置，用于处理参考背景光谱和由多通道光谱表示的放射性物质的测量光谱，以获取检测到的伽马射线的能量区域信息，包括：能量区域分割装置，用于将多通道光谱退化为退化光谱 有限渠道; 退化频谱计算装置，用于分别计算对应于限制信道的退化频谱的背景和测量退化频谱; 能量比计算装置，用于基于所计算的背景和测量退化光谱计算能量比; 峰值检测装置，用于搜索所计算的能量比的峰值; 能量区域确定信息，用于基于所搜索的能量比的峰值来确定γ射线的相应能量区域。 本发明还提供一种采用数据处理装置的放射线检测方法和放射线检测系统。

公开(公告)号：US08247776B2

公开(公告)日：2012-08-21

申请号：US12341219

申请日：2008-12-22

申请人： Hua Peng ,  Kun Zhao ,  Yu He ,  Ming Ruan

发明人： Hua Peng ,  Kun Zhao ,  Yu He ,  Ming Ruan

IPC分类号： G01T1/169

CPC分类号： G01T7/00 ,  G01T3/00

摘要： Disclosed is a device for detecting orientation of a radioactive material to determine presence and position of the radioactive material, comprising: at least one first radiation detector; at least one second radiation detector, each of said at least one second radiation detector and each of said at least one first radiation detector being arranged side by side and in pairs, detection surfaces of said first and second radiation detector being in the same plane to receive radiation from the same direction in the same manner and to generate a first detection signal and a second detection signal, respectively; a shielding plate, said shielding plate being arranged between said first radiation detector and said second radiation detector arranged in a pair and extending forward beyond said detection surfaces; and a determination device for receiving the first and second detection signals from said first and second radiation detector, and determining whether a radioactive material exists or not according to said first and second detection signals and simultaneously determining the orientation of the radioactive material according to the difference between said first detection signal and said second detection signal. Also disclosed is a method for detecting orientation of a radioactive material.

摘要翻译： 公开了一种用于检测放射性材料的取向以确定放射性材料的存在和位置的装置，包括：至少一个第一辐射检测器; 至少一个第二辐射检测器，所述至少一个第二辐射检测器中的每一个和所述至少一个第一辐射检测器中的每一个并排并成对地布置，所述第一和第二辐射检测器的检测表面位于同一平面内 以相同的方式从同一方向接收辐射并分别产生第一检测信号和第二检测信号; 屏蔽板，所述屏蔽板布置在所述第一辐射检测器和所述第二辐射检测器之间，所述第一辐射检测器布置成一对并向前延伸超​​过所述检测表面; 以及确定装置，用于从所述第一和第二辐射检测器接收第一和第二检测信号，并且根据所述第一和第二检测信号确定放射性物质是否存在，并且根据差异同时确定放射性物质的取向 在所述第一检测信号和所述第二检测信号之间。 还公开了一种用于检测放射性物质的取向的方法。

公开(公告)号：US07848486B2

公开(公告)日：2010-12-07

申请号：US12404469

申请日：2009-03-16

申请人： Ming Ruan ,  Zhongqi Pu ,  Kun Zhao ,  Jun Lv ,  Xiaobing Wang ,  Zhe Xin ,  Gaofeng Miao ,  Yu He

发明人： Ming Ruan ,  Zhongqi Pu ,  Kun Zhao ,  Jun Lv ,  Xiaobing Wang ,  Zhe Xin ,  Gaofeng Miao ,  Yu He

IPC分类号： G01N23/04

CPC分类号： G01V5/0016 ,  G01T3/00 ,  G01V5/0075

摘要： The present invention relates to the fields of radioactive material detection and X-ray radiation imaging inspection, and provides a system and method for performing radioactive material detection and X-ray radiation imaging inspection simultaneously at the same place, thereby solving the problem that the two means have to be conducted separately, as in the prior art. The integrated system of the invention comprises: an X-ray NII system for performing X-ray radiation imaging inspection on the object under examination; a radiation monitor placed adjacent to the X-ray NII system device to detect the radioactive rays emitted by the object under examination; the radiation monitor sets, within the detection energy region thereof, a lower limit of detection to distinguish the energy region of the detected X-rays emitted by the X-ray detection device from the energy region of the radioactive rays emitted by the object under examination, and detects the energy in the energy region higher than said lower limit of detection. The present invention realizes a compact integration of the two devices, and greatly saves space and time resources.

摘要翻译： 本发明涉及放射性物质检测和X射线辐射成像检查的领域，并且提供了在同一地点同时进行放射性物质检测和X射线辐射成像检查的系统和方法，从而解决了两者 必须单独进行手段，如现有技术那样。 本发明的集成系统包括：X射线NII系统，用于对被检查物体进行X射线辐射成像检查; 放置在与X射线NII系统装置相邻的放射线监测器上，以检测被检查物体发射的放射线; 辐射监测器在其检测能量区域内设置检测下限，以将由X射线检测装置发射的检测到的X射线的能量区域与被检查物体发射的放射线的能量区域区分开 并且检测能量区域中的能量高于所述检测下限。 本发明实现了两个装置的紧凑集成，并且大大节省了空间和时间资源。

公开(公告)号：US20090252289A1

公开(公告)日：2009-10-08

申请号：US12404469

申请日：2009-03-16

申请人： Ming Ruan ,  Zhongqi Pu ,  Kun Zhao ,  Jun Lv ,  Xiaobing Wang ,  Zhe Xin ,  Gaofeng Miao ,  Yu He

发明人： Ming Ruan ,  Zhongqi Pu ,  Kun Zhao ,  Jun Lv ,  Xiaobing Wang ,  Zhe Xin ,  Gaofeng Miao ,  Yu He

IPC分类号： G01N23/04

CPC分类号： G01V5/0016 ,  G01T3/00 ,  G01V5/0075

摘要： The present invention relates to the fields of radioactive material detection and X-ray radiation imaging inspection, and provides a system and method for performing radioactive material detection and X-ray radiation imaging inspection simultaneously at the same place, thereby solving the problem that the two means have to be conducted separately, as in the prior art. The integrated system of the invention comprises: an X-ray NII system for performing X-ray radiation imaging inspection on the object under examination; a radiation monitor placed adjacent to the X-ray NII system device to detect the radioactive rays emitted by the object under examination; the radiation monitor sets, within the detection energy region thereof, a lower limit of detection to distinguish the energy region of the detected X-rays emitted by the X-ray detection device from the energy region of the radioactive rays emitted by the object under examination, and detects the energy in the energy region higher than said lower limit of detection. The present invention realizes a compact integration of the two devices, and greatly saves space and time resources.

摘要翻译： 本发明涉及放射性物质检测和X射线辐射成像检查的领域，并且提供了在同一地点同时进行放射性物质检测和X射线辐射成像检查的系统和方法，从而解决了两者 必须单独进行手段，如现有技术那样。 本发明的集成系统包括：X射线NII系统，用于对被检查物体进行X射线辐射成像检查; 放置在与X射线NII系统装置相邻的放射线监测器上，以检测被检查物体发射的放射线; 辐射监测器在其检测能量区域内设置检测下限，以将由X射线检测装置发射的检测到的X射线的能量区域与被检查物体发射的放射线的能量区域区分开 并且检测能量区域中的能量高于所述检测下限。 本发明实现了两个装置的紧凑集成，并且大大节省了空间和时间资源。

公开(公告)号：US20090166540A1

公开(公告)日：2009-07-02

申请号：US12341219

申请日：2008-12-22

申请人： Hua Peng ,  Kun Zhao ,  Yu He ,  Ming Ruan

发明人： Hua Peng ,  Kun Zhao ,  Yu He ,  Ming Ruan

IPC分类号： G01T1/20 ,  G01T1/00

CPC分类号： G01T7/00 ,  G01T3/00

摘要： Disclosed is a device for detecting orientation of a radioactive material to determine presence and position of the radioactive material, comprising: at least one first radiation detector; at least one second radiation detector, each of said at least one second radiation detector and each of said at least one first radiation detector being arranged side by side and in pairs, detection surfaces of said first and second radiation detector being in the same plane to receive radiation from the same direction in the same manner and to generate a first detection signal and a second detection signal, respectively; a shielding plate, said shielding plate being arranged between said first radiation detector and said second radiation detector arranged in a pair and extending forward beyond said detection surfaces; and a determination device for receiving the first and second detection signals from said first and second radiation detector, and determining whether a radioactive material exists or not according to said first and second detection signals and simultaneously determining the orientation of the radioactive material according to the difference between said first detection signal and said second detection signal. Also disclosed is a method for detecting orientation of a radioactive material.

摘要翻译： 公开了一种用于检测放射性材料的取向以确定放射性材料的存在和位置的装置，包括：至少一个第一辐射检测器; 至少一个第二辐射检测器，所述至少一个第二辐射检测器中的每一个和所述至少一个第一辐射检测器中的每一个并排并成对地布置，所述第一和第二辐射检测器的检测表面位于同一平面内 以相同的方式从同一方向接收辐射并分别产生第一检测信号和第二检测信号; 屏蔽板，所述屏蔽板布置在所述第一辐射检测器和所述第二辐射检测器之间，所述第一辐射检测器布置成一对并向前延伸超​​过所述检测表面; 以及确定装置，用于从所述第一和第二辐射检测器接收第一和第二检测信号，并且根据所述第一和第二检测信号确定放射性物质是否存在，并且根据差异同时确定放射性物质的取向 在所述第一检测信号和所述第二检测信号之间。 还公开了一种用于检测放射性物质的取向的方法。

公开(公告)号：US08084748B2

公开(公告)日：2011-12-27

申请号：US12421194

申请日：2009-04-09

申请人： Hua Peng ,  Kun Zhao ,  Yu He ,  Ming Ruan

发明人： Hua Peng ,  Kun Zhao ,  Yu He ,  Ming Ruan

IPC分类号： G01J1/42

CPC分类号： G01T1/2008 ,  G01T1/172

摘要： In a device for detecting and identifying a radioactive material, a coincidence device is configured to receive the first pulse signals and the second pulse signals from a first second detectors; a multi-channel analyzer is configured to receive the second pulse signals, count said second pulses and generate the energy spectrum of the gamma rays according to the counted second pulses, when the first pulse signals and the second pulse signals are both valid; a linear gate is configured to receive coincidence signals and being turned on, when the output signals of the coincidence device are valid, to allow the multi-channel analyzer to count the second pulses; and a determination device is configured to determine the type of the radioactive material emitting the gamma rays according to the generated energy spectrum and determine whether a radiation exists or not.

摘要翻译： 在用于检测和识别放射性物质的装置中，符合装置被配置为从第一第二检测器接收第一脉冲信号和第二脉冲信号; 当第一脉冲信号和第二脉冲信号都有效时，多通道分析器被配置为接收第二脉冲信号，对所述第二脉冲进行计数，并根据计数的第二脉冲产生伽马射线的能谱; 线路门被配置为当符合设备的输出信号有效时，接收一致信号并导通，以允许多通道分析仪对第二脉冲进行计数; 并且确定装置被配置为根据产生的能量谱确定发射伽马射线的放射性物质的类型，并确定是否存在辐射。

公开(公告)号：US20100072385A1

公开(公告)日：2010-03-25

申请号：US12421194

申请日：2009-04-09

申请人： Hua Peng ,  Kun Zhao ,  Yu He ,  Ming Ruan

发明人： Hua Peng ,  Kun Zhao ,  Yu He ,  Ming Ruan

IPC分类号： G01T1/20

CPC分类号： G01T1/2008 ,  G01T1/172

摘要： Disclosed is an device for detecting and identifying a radioactive material, comprising: a first detector including a detection surface and generating first pulse signals when gamma rays are incident onto said detection surface; a second detector generating second pulse signals and provided in the front of the detection surface of the first detector, so that the gamma rays entering the second detector directly enter the first detector after passing through the second detector; and an identification unit. The identification unit comprises: a coincidence device configured to receive the first pulse signals and the second pulse signals from said first detector and said second detector; a multi-channel analyzer configured to receive the second pulse signals from the said second detector, the multi-channel analyzer counting said second pulses and generating the energy spectrum of the gamma rays according to the counted second pulses, when said first pulse signals and said second pulse signals are both valid; and a determination device configured to determine the type of the radioactive material emitting the gamma rays according to the generated energy spectrum and to determine whether a radiation exists or not according to said first pulse signals or said second pulse signals. The present invention also provides a method for detecting and identifying a radioactive material.

摘要翻译： 公开了一种用于检测和识别放射性物质的装置，包括：第一检测器，包括检测表面，并且当伽马射线入射到所述检测表面上时产生第一脉冲信号; 第二检测器，产生第二脉冲信号并设置在第一检测器的检测表面的前方，使得进入第二检测器的伽马射线在通过第二检测器之后直接进入第一检测器; 和识别单元。 识别单元包括：符合装置，被配置为从所述第一检测器和所述第二检测器接收第一脉冲信号和第二脉冲信号; 配置为从所述第二检测器接收第二脉冲信号的多通道分析器，所述多通道分析仪对所述第二脉冲进行计数，并且当所述第一脉冲信号和所述第二脉冲信号和所述 第二脉冲信号都有效; 以及确定装置，其被配置为根据所生成的能谱确定发射γ射线的放射性物质的类型，并根据所述第一脉冲信号或所述第二脉冲信号确定是否存在辐射。 本发明还提供了一种用于检测和识别放射性物质的方法。

公开(公告)号：US20080191128A1

公开(公告)日：2008-08-14

申请号：US11964102

申请日：2007-12-26

申请人： Ming Ruan ,  Jianhua Li ,  Jiaqing Zhu ,  Kun Zhao

发明人： Ming Ruan ,  Jianhua Li ,  Jiaqing Zhu ,  Kun Zhao

IPC分类号： G01D18/00

CPC分类号： G01T7/00

摘要： The invention relates to the field of developing and manufacturing a counting-type radiation detection instrument, in particular to a method of identifying the energy range of radiation from radioactive material and a system for detecting the same in a detection system. First, a digital dual energy window is provided on an electronic amplifier of the detection system; then regulate the threshold of the energy window with respect to the energy range of a source of interest; calibrate the dual energy window system with standard radiation sources and save the coefficient; detect the dose rate and intensity of the radiation source of an unknown energy range; and perform logical comparison, condition correction and mathematical fitting on the data; finally, display the energy range of the detected radiation source. The invention ensures the high sensitivity of the system to radiation and enables the system to identify the energy range of the detected radiation. Meanwhile, it has a simple design, good compatibility, and a wide range of usage. It does not need to be equipped with a complex apparatus, so it has a low operation cost and can be conveniently used in the counting-type radiation detection system for various purposes.

摘要翻译： 本发明涉及开发和制造计数式放射线检测仪的领域，特别涉及一种识别放射性物质辐射能量范围的方法及其在检测系统中的检测系统。 首先，在检测系统的电子放大器上设置数字双能量窗口; 然后相对于感兴趣的源的能量范围调节能量窗口的阈值; 用标准辐射源校准双能量窗系统，节省系数; 检测未知能量范围的辐射源的剂量率和强度; 对数据进行逻辑比较，条件校正和数学拟合; 最后，显示检测到的辐射源的能量范围。 本发明确保了系统对辐射的高灵敏度，并使系统能够识别检测到的辐射的能量范围。 同时，设计简单，兼容性好，使用范围广。 它不需要配备复杂的装置，因此它具有低的操作成本，并且可以方便地用于用于各种目的的计数式辐射检测系统。

公开(公告)号：US07820973B2

公开(公告)日：2010-10-26

申请号：US11964102

申请日：2007-12-26

申请人： Ming Ruan ,  Jianhua Li ,  Jiaqing Zhu ,  Kun Zhao

发明人： Ming Ruan ,  Jianhua Li ,  Jiaqing Zhu ,  Kun Zhao

IPC分类号： G01F23/00

CPC分类号： G01T7/00

摘要： A method of identifying the energy range of radiation includes a system having a detector with energy differentiation characteristics, an electronic amplifier of a dual energy window, a data acquisition card, a digital threshold controller, a database, and a radiation energy range display. The system calculates the energy range of radiation through logical comparison, condition correction and mathematical fitting.

摘要翻译： 识别辐射的能量范围的方法包括具有能量微分特性的检测器的系统，双能量窗口的电子放大器，数据采集卡，数字阈值控制器，数据库和辐射能量范围显示。 该系统通过逻辑比较，条件校正和数学拟合计算辐射的能量范围。