公开(公告)号：US20080131312A1

公开(公告)日：2008-06-05

申请号：US11811313

申请日：2007-06-08

Applicant: Kejun Kang ,  Huayi Zhang ,  Zhiqiang Chen ,  Yuanjing Li ,  Chuanxiang Tang ,  Yaohong Liu ,  Huaibi Chen ,  Huaping Tang ,  Nan Jiang ,  Dongsheng Zhang ,  Yu He ,  Feng Gao ,  Weiqiang Guan ,  Jian Li ,  Yanfeng Cao

Inventor： Kejun Kang ,  Huayi Zhang ,  Zhiqiang Chen ,  Yuanjing Li ,  Chuanxiang Tang ,  Yaohong Liu ,  Huaibi Chen ,  Huaping Tang ,  Nan Jiang ,  Dongsheng Zhang ,  Yu He ,  Feng Gao ,  Weiqiang Guan ,  Jian Li ,  Yanfeng Cao

IPC: A61L2/00

CPC classification number: A61L2/087 ,  A61L2/24 ,  A61L2202/16 ,  A61L2202/24

Abstract: The present invention discloses a mobile electron beam radiation sterilizing apparatus, comprising: a movable chassis vehicle (1); a cabinet body (2) installed on the chassis vehicle (1); an electron accelerator (6) which generates electron beam for articles to be radiation-processed; an accelerator control box (31), which controls operation of the accelerator, wherein the electron accelerator (6) is provided in the cabinet body. The invention has advantages as following: since the electron accelerator is provided in the cabinet body of the chassis vehicle, it has a small volume with flexible maneuverability, which can be transferred rapidly in a short time. In addition, the apparatus has no additional requirement of using environment, and does not need any additional construction. The invention can implement electron beam radiation for all kinds of documents and mails and achieve rapid and complete sterilization, reaching safety purpose. Further, there is no damage or residual radiation for the processed articles. Moreover, the apparatus has a high degree of automation assembly with easy operations and safety. Thus, it is suitable for chief departments at home and abroad.

Abstract translation: 本发明公开了一种移动式电子束辐射灭菌装置，其特征在于，包括：可动底盘车辆（1）; 安装在底盘车辆（1）上的机壳体（2）; 电子加速器（6），其产生用于待辐射处理的物品的电子束; 加速器控制箱（31），其控制加速器的操作，其中电子加速器（6）设置在机壳主体中。 本发明具有以下优点：由于电子加速器设置在底盘车厢的机壳体中，所以具有体积小，机动性灵活的特点，能够在短时间内迅速传递。 此外，该设备不需要使用环境，并且不需要任何额外的结构。 本发明可以实现各种文件和邮件的电子束辐射，实现快速，完整的灭菌，达到安全目的。 此外，处理物品没有损坏或残留辐射。 此外，该装置具有高度的自动化组装，操作和安全性容易。 因此适用于国内外主要部门。

公开(公告)号：US07367764B2

公开(公告)日：2008-05-06

申请号：US11594818

申请日：2006-11-09

Applicant: Ning Li ,  Kejun Kang ,  Haifeng Hu ,  Wanquan Shen ,  Jianjun Su ,  Zhongrong Yang ,  Qitian Miao ,  Jianmin Li

Inventor： Ning Li ,  Kejun Kang ,  Haifeng Hu ,  Wanquan Shen ,  Jianjun Su ,  Zhongrong Yang ,  Qitian Miao ,  Jianmin Li

IPC: B60P7/00

CPC classification number: B61J3/06

Abstract: The present invention discloses a reversible plate positioning device for a stationary radiation imaging trailer system, comprising a left platform (7-1) and a right platform (7-2) that can be connected with a trailing part (4) of a trailer frame and ground locking part (12), the left platform (7-1) and right platform (7-2) provided with slopes (1) for the uploading of a vehicle to be detected respectively at the front ends and with positioning recesses (9) at the middle of an upper surface, each positioning recess (9) being provided with a wheel-locking device (2), wherein, each wheel-locking device (2) comprises of a pivotable crank plate (10) that is hinged to the positioning recess (9) and can rotates about the pivot axis thereof, a chain (15) connected with the crank plate (10), a pull-rod (14) connected with the chain (15), and a fixing sleeve (6) corresponding to the pull-rod (14), in which a spring (13) is provided in the fixing sleeve (6), and when the vehicle to be detected is located in the positioning recesses (9), each crank plate (10) rotates around the pivot axis thereof under the elastic force of the spring (13) so that the crank plate (10) is tilted at the front of each positioning recesses (9), and thus the wheels are locked in the positioning recesses (9), a carrier rod (5) biasing the spring (13) is respectively provided at the end of each fixing sleeves (6), when the trailer is arrived, the carrier rods (5) bias the springs (13) under external force, so that each crank plates (10) slacks under the function of the pull-rod (14). By the aforementioned device, the vehicle to be detected can be stably driven out of the trailer platforms, avoiding the impact to the vehicle to be detected and the trailer during downloading.

公开(公告)号：US20070158412A1

公开(公告)日：2007-07-12

申请号：US11612578

申请日：2006-12-19

Applicant: Kejun KANG ,  Haifeng Hu ,  Shi WANG ,  Qitian MIAO ,  Zhiqiang CHEN

Inventor： Kejun KANG ,  Haifeng Hu ,  Shi WANG ,  Qitian MIAO ,  Zhiqiang CHEN

IPC: G06K5/00 ,  G06K19/06

CPC classification number: G07B3/02 ,  G06K17/0025 ,  G06K19/07718 ,  G06K19/07749 ,  G07B15/02

Abstract: The present invention provides an electronic ticket compatible with the existing railway paper tickets, which comprises two layers of paper media where an antenna and a chip are buried in advance and is characterized in that dynamic encryption information is written into said chip in advance and has a check code associated with a serial number for anti-counterfeiting; at a ticket selling terminal, ticket information will be written into said chip, and such ticket information in said chip can be rewritten many times; and said antenna is used for receiving RF signals and transmitting them to said chip.

Abstract translation: 本发明提供了一种与现有的铁路票券兼容的电子票据，其中包括预先埋入天线和芯片的两层纸介质，其特征在于动态加密信息预先写入所述芯片，并且具有 检查与序列号相关联的代码以防伪造; 在售票站，票信息将被写入所述芯片，并且所述芯片中的这种票信息可以被重写多次; 并且所述天线用于接收RF信号并将其发送到所述芯片。

公开(公告)号：US07239245B2

公开(公告)日：2007-07-03

申请号：US10944432

申请日：2004-09-17

Applicant: Kejun Kang ,  Wenhuan Gao ,  Xiaobing Wang ,  Jianmin Li ,  Yu He ,  Yinong Liu ,  Yuanjing Li

Inventor： Kejun Kang ,  Wenhuan Gao ,  Xiaobing Wang ,  Jianmin Li ,  Yu He ,  Yinong Liu ,  Yuanjing Li

IPC: G08B17/12

CPC classification number: G01V5/0075 ,  G01N23/00

Abstract: A method and device for monitoring the position of radioactive materials in vehicles relates to a technical field of monitoring of radioactive materials. The method comprises following steps: powering on a monitoring device, after initializing, the device automatically enters into background mode to acquire and process gamma and neutron detection data so as to obtain and update a background count rate in real time, and an image surveillance system enters into surveillance state; occupancy detector detects that a vehicle enters into monitoring channel, meanwhile the monitoring device automatically enters into occupancy mode, and performs data acquisition process for gamma and neutron detection under the occupancy mode in accordance with the time required by an alarm algorithm, so as to obtain respective total count rates; speed detector detects the times T1 and T2 for the vehicle when it reaches two points with a distance L, and then calculates out the vehicle's speed V; obtaining an alarm threshold by using a special algorithm on the basis of alarming algorithm, particularly, the background count rate updated in real time, and sending an alarm signal when the total count rate exceeds the alarm threshold; transmitting the alarm signal to the image surveillance system via a control interface to notify it of starting to record, meanwhile sending an alarm command to an audio and visual alarm system to inform it of giving out an alarm; with the help of the results of radioactivity detection, speed detection and image capturing, a local computer specifies the position where the radioactive material(s) locate(s) with methods of horizontal and vertical positioning. The present invention can easily and quickly specify the very vehicle and the exact position the radioactive material(s) locate(s) so that the radioactive material(s) can be conveniently isolated and processed subsequently. In this way, time spent on detection has been greatly reduced and lots of human power has been saved.

公开(公告)号：US20070133740A1

公开(公告)日：2007-06-14

申请号：US10575667

申请日：2004-09-22

Applicant: Kejun Kang ,  Jianmin Li ,  Zhigiang Chen ,  Shangmin Sun ,  Yucheng Wu ,  Wangun Shen ,  Hongliang Yang ,  Jianxin Wang

Inventor： Kejun Kang ,  Jianmin Li ,  Zhigiang Chen ,  Shangmin Sun ,  Yucheng Wu ,  Wangun Shen ,  Hongliang Yang ,  Jianxin Wang

IPC: G01N23/04

CPC classification number: G01V5/0008

Abstract: A containers/vehicles inspection system with adjustable radiation X-ray angle relates to the technical field of radiation inspection. The present invention comprises a detector arm rack equipped with detectors, a second collimator, a pulling device, and an accelerator rack with the accelerator. X-ray produced by the accelerator is right opposite to the calibrator, the first collimator and the second collimator all of which are arranged in order, wherein, said accelerator rack is further composed of a horizontal regulation mechanism for moving the base forward and afterward horizontally, a vertical regulation mechanism for moving the bending framework up and down vertically, a rotary regulation mechanism for rotating the cantilever, a pitching regulation mechanism for driving the accelerator to make pinching movement, as well as a framework formed by a base, a vertical arm, a bending framework and a cantilever. Compared with the prior arts, the present invention is advantageous in reasonable structural design, convenient use and high imaging quality, especially satisfactory effect of focused inspection to some suspicious areas. So it is the necessary equipment for inspecting the Customs goods.

Abstract translation: 具有可调辐射X射线角度的容器/车辆检查系统涉及辐射检测技术领域。 本发明包括一个装有检测器的检测器臂架，一个第二准直器，一个牵引装置和一个具有加速器的加速器架。 由加速器产生的X射线与校准器正好相反，第一准直仪和第二准直器都按顺序排列，其中，所述加速器齿条进一步包括水平调节机构，用于向前和向后水平移动基座 用于垂直移动弯曲框架的垂直调节机构，用于使悬臂旋转的旋转调节机构，用于驱动加速器进行夹紧运动的俯仰调节机构，以及由基座，垂直臂 ，弯曲框架和悬臂。 与现有技术相比，本发明在结构设计合理，使用方便，成像质量高等方面具有优势，特别是对一些可疑区域进行了重点检查。 这是检验海关货物的必备设备。

公开(公告)号：US20070126189A1

公开(公告)日：2007-06-07

申请号：US11594818

申请日：2006-11-09

Applicant: Ning Li ,  Kejun Kang ,  Haifeng Hu ,  Wanquan Shen ,  Jianjun Su ,  Zhongrong Yang ,  Qitian Miao ,  Jianmin Li

Inventor： Ning Li ,  Kejun Kang ,  Haifeng Hu ,  Wanquan Shen ,  Jianjun Su ,  Zhongrong Yang ,  Qitian Miao ,  Jianmin Li

IPC: B62B15/00

CPC classification number: B61J3/06

Abstract: The present invention discloses a reversible plate positioning device for a stationary radiation imaging trailer system, comprising a left platform (7-1) and a right platform (7-2) that can be connected with a trailing part (4) of a trailer frame and ground locking part (12), the left platform (7-1) and right platform (7-2) provided with slopes (1) for the uploading of a vehicle to be detected respectively at the front ends and with positioning recesses (9) at the middle of an upper surface, each positioning recess (9) being provided with a wheel-locking device (2), wherein, each wheel-locking device (2) comprises of a pivotable crank plate (10) that is hinged to the positioning recess (9) and can rotates about the pivot axis thereof, a chain (15) connected with the crank plate (10), a pull-rod (14) connected with the chain (15), and a fixing sleeve (6) corresponding to the pull-rod (14), in which a spring (13) is provided in the fixing sleeve (6), and when the vehicle to be detected is located in the positioning recesses (9), each crank plate (10) rotates around the pivot axis thereof under the elastic force of the spring (13) so that the crank plate (10) is tilted at the front of each positioning recesses (9), and thus the wheels are locked in the positioning recesses (9), a carrier rod (5) biasing the spring (13) is respectively provided at the end of each fixing sleeves (6), when the trailer is arrived, the carrier rods (5) bias the springs (13) under external force, so that each crank plates (10) slacks under the function of the pull-rod (14). By the aforementioned device, the vehicle to be detected can be stably driven out of the trailer platforms, avoiding the impact to the vehicle to be detected and the trailer during downloading.

公开(公告)号：US20070116175A1

公开(公告)日：2007-05-24

申请号：US11546717

申请日：2006-10-12

Applicant: Li Zhang ,  Hewei Gao ,  Zhiqiang Chen ,  Kejun Kang ,  Jianping Cheng ,  Yuanjing Li ,  Yinong Liu ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao

Inventor： Li Zhang ,  Hewei Gao ,  Zhiqiang Chen ,  Kejun Kang ,  Jianping Cheng ,  Yuanjing Li ,  Yinong Liu ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao

IPC: H05G1/60 ,  A61B6/00 ,  G01N23/00 ,  G21K1/12

CPC classification number: G01N23/046 ,  A61B6/032 ,  G01N2223/3303 ,  G01N2223/419 ,  G06T11/006 ,  G06T2211/421

Abstract: It is disclosed a system and a method for reconstructing an image by using a straight-line trajectory scan to avoid image spatial resolution reduction due to interpolations in angular direction and detector direction during data rebinning. This system comprises: a projection data conversion section for converting projection data from straight-line trajectory scan into projection data under quasi-parallel-beam scan; a filtration section for obtaining filtered projection data by convoluting the projection data under quasi-parallel-beam scan with a predetermined convolutional kernel; and a back-projection section for reconstructing an image by back-projecting the filtered projection data with a weighting factor. By using the inventive system and method, the spatial resolution in the reconstructed image is improved, and the influence of data truncation on the reconstructed image is reduced. The present invention applies the filtration and back-projection mode, and thus has general advantages of the filtration and back projection, such as simplicity and efficiency. And it is easy to be parallelized and accelerated.

Abstract translation: 公开了一种通过使用直线轨迹扫描来重建图像的系统和方法，以避免在数据重组期间由于在角度方向和检测器方向上的内插而导致的图像空间分辨率降低。 该系统包括：投影数据转换部分，用于将投影数据从直线轨迹扫描转换成准并行束扫描的投影数据; 过滤部分，用于通过用预定的卷积核在准平行束扫描下卷积投影数据来获得经滤波的投影数据; 以及背投影部分，用于通过用加权因子反投影过滤的投影数据来重建图像。 通过使用本发明的系统和方法，改善了重建图像中的空间分辨率，减少了数据截断对重建图像的影响。 本发明应用过滤和反投影模式，因此具有过滤和反投影的一般优点，例如简单性和效率。 并行并行加速很容易。

公开(公告)号：US20060115044A1

公开(公告)日：2006-06-01

申请号：US11285398

申请日：2005-11-23

Applicant: Wanlong Wu ,  Haifeng Hu ,  Yuanjing Li ,  Zhiqiang Chen ,  Kejun Kang ,  Yulan Li ,  Li Zhang ,  Yinong Liu ,  Xuewu Wang ,  Bin Sang ,  Hailin Wang

Inventor： Wanlong Wu ,  Haifeng Hu ,  Yuanjing Li ,  Zhiqiang Chen ,  Kejun Kang ,  Yulan Li ,  Li Zhang ,  Yinong Liu ,  Xuewu Wang ,  Bin Sang ,  Hailin Wang

IPC: G01N23/04

CPC classification number: G01V5/0016 ,  G01N9/24 ,  G01N23/10

Abstract: A method and an apparatus for liquid safety-detection with a radiation source relate to a radiation detecting technology field. The main steps of the method of the invention are: an article to be detected being conveyed into an operation zone within a radiation shield field; the ray emitted from a radiation source passing through the article to be detected, and being received by a detector; the detector transmitting the received ray signal to a data collector; the data collector amplifying and forming the ray signal, and transmitting such data and the data collected by thickness measuring probing heads to a data processing computer; and the data processing computer processing the two groups of data to derive the density and atomic number of the detected liquid, comparing the result with the densities and atomic numbers of dangerous articles in a existing database, and displaying the detected information of the detected article. Comparing to the prior art, the invention is not subjected to the affection of the outside package of an article and has great anti-interference, and has the features of small volume, high accuracy of detection, easy shielding, and high use safety and reliability.

Abstract translation: 用于具有辐射源的液体安全检测的方法和装置涉及辐射检测技术领域。 本发明方法的主要步骤是：被检测物品被传送到辐射屏蔽场内的操作区域; 从通过要检测的物品的辐射源发出的射线并被检测器接收; 所述检测器将所接收的射线信号发送到数据收集器; 数据收集器放大并形成射线信号，并将这些数据和由厚度测量探测头收集的数据发送到数据处理计算机; 并且数据处理计算机处理两组数据以导出检测到的液体的密度和原子序数，将结果与现有数据库中的危险物品的密度和原子数进行比较，并显示检测到的物品的检测信息。 与现有技术相比，本发明不受制品外包装的影响，抗干扰性强，具有体积小，检测精度高，屏蔽方便，使用安全可靠的特点 。

公开(公告)号：US20050105681A1

公开(公告)日：2005-05-19

申请号：US10944432

申请日：2004-09-17

Applicant: Kejun Kang ,  Wenhuan Gao ,  Xiaobing Wang ,  Jianmin Li ,  Yu He ,  Yinong Liu ,  Yuanjing Li

Inventor： Kejun Kang ,  Wenhuan Gao ,  Xiaobing Wang ,  Jianmin Li ,  Yu He ,  Yinong Liu ,  Yuanjing Li

IPC: G01N23/00 ,  G01N23/04

CPC classification number: G01V5/0075 ,  G01N23/00

Abstract: A method and device for monitoring the position of radioactive materials in vehicles relates to a technical field of monitoring of radioactive materials. The method comprises following steps: powering on a monitoring device, after initializing, the device automatically enters into background mode to acquire and process gamma and neutron detection data so as to obtain and update a background count rate in real time, and an image surveillance system enters into surveillance state; occupancy detector detects that a vehicle enters into monitoring channel, meanwhile the monitoring device automatically enters into occupancy mode, and performs data acquisition process for gamma and neutron detection under the occupancy mode in accordance with the time required by an alarm algorithm, so as to obtain respective total count rates; speed detector detects the times T1 and T2 for the vehicle when it reaches two points with a distance L, and then calculates out the vehicle's speed V; obtaining an alarm threshold by using a special algorithm on the basis of alarming algorithm, particularly, the background count rate updated in real time, and sending an alarm signal when the total count rate exceeds the alarm threshold; transmitting the alarm signal to the image surveillance system via a control interface to notify it of starting to record, meanwhile sending an alarm command to an audio and visual alarm system to inform it of giving out an alarm; with the help of the results of radioactivity detection, speed detection and image capturing, a local computer specifies the position where the radioactive material(s) locate(s) with methods of horizontal and vertical positioning. The present invention can easily and quickly specify the very vehicle and the exact position the radioactive material(s) locate(s) so that the radioactive material(s) can be conveniently isolated and processed subsequently. In this way, time spent on detection has been greatly reduced and lots of human power has been saved.

公开(公告)号：US09268027B2

公开(公告)日：2016-02-23

申请号：US12991982

申请日：2009-05-07

Applicant: Kejun Kang ,  Yigang Yang ,  Qitian Miao ,  Zhiqiang Chen ,  Yuanjing Li ,  Shangmin Sun ,  Hua Peng ,  Guang Yang ,  Bufu Liu

Inventor： Kejun Kang ,  Yigang Yang ,  Qitian Miao ,  Zhiqiang Chen ,  Yuanjing Li ,  Shangmin Sun ,  Hua Peng ,  Guang Yang ,  Bufu Liu

IPC: G01T1/00 ,  G01V5/00 ,  G01T3/00

CPC classification number: G01T1/00 ,  G01T3/00 ,  G01V5/0091

Abstract: A method and system for detecting special nuclear materials are disclosed. Said method and system detect the special nuclear materials by making use of the photofission characteristic and thermal neutron induced fission characteristic thereof. In one preferred embodiment, the high density and/or high atomic number region in the object to be detected is also detected first as a suspicious region.