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1.发明申请公开(公告)号：US20200253033A1
公开(公告)日：2020-08-06
申请号：US16727639
申请日：2019-12-26
Applicant: Tsinghua University , NUCTECH COMPANY LIMITED , NuRay Technology Co., Ltd
Inventor： Yuanjing LI , Yaohong LIU , Huaping TANG , Jinsheng LIU , Xiying LIU , Zhanfeng QIN , Wei JIA , Jinsong PAN
Abstract: Embodiments of the present disclosure disclose a multi-output high-voltage power supply including a channel selection circuit (103) including a plurality of switches; and a high-voltage power supply module (101) connected to the channel selection circuit (103), wherein the high-voltage power supply module (101) includes a fine adjusting power supply component (110) and a plurality of coarse adjusting power supply components (120-1 to 120-N) connected in series, wherein one high-voltage output terminal of the high-voltage power supply module (101) is connected to a common terminal of the channel selection circuit (103), and the other high-voltage output terminal of the high-voltage power supply module (101) is grounded through a current sampling resistor.
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公开(公告)号：US20160223473A1
公开(公告)日：2016-08-04
申请号：US14901970
申请日：2015-08-27
Applicant: NUCTECH COMPANY LIMITED
Inventor： Huaping TANG , Zhiqiang CHEN , Yuanjing LI , Zhuoyan LIU , Yonggang WANG , Zhanfeng QIN
CPC classification number: G01N23/04 , B07C5/3416 , B07C2501/0009
Abstract: An X-ray product quality online inspection device of the present invention comprises: a distributed X-ray source having a plurality of targets and being able to generate X-rays for irradiating an inspected product from the plurality of targets in a predetermined sequence; a detector for receiving the X-rays generated by the distributed X-ray source and outputting a signal representing characteristics of the received X-rays; a transport device which is located between the distributed X-ray source and the detector for carrying the inspected product to pass through an X-ray radiation region, wherein the transport device is arranged as a continuous transport mechanism which matches a production line of the inspected product; and a power supply and control device, which is used to supply power to and control the X-ray product quality online inspection device.
Abstract translation: 本发明的X射线产品质量在线检查装置包括：具有多个靶的分布式X射线源，能够产生用于以预定顺序从多个靶照射被检查产物的X射线; 检测器，用于接收由分布式X射线源产生的X射线，并输出表示所接收的X射线特性的信号; 位于分布式X射线源和检测器之间的运送装置，用于携带被检查物品通过X射线辐射区域，其中传送装置被布置为连续传送机构，其匹配被检查的生产线 产品; 以及用于为X射线产品质量在线检测装置供电和控制的电源和控制装置。
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3.发明申请X-RAY GENERATING APPARATUS AND X-RAY FLUOROSCOPYIMAGING SYSTEM EQUIPPED WITH THE SAME 有权X射线发生装置和配备其的X射线荧光显影系统公开(公告)号：US20150187535A1
公开(公告)日：2015-07-02
申请号：US14582060
申请日：2014-12-23
Applicant: NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
Inventor： Huaping TANG , Chuanxiang TANG , Huaibi CHEN
CPC classification number: H01J35/14 , G01N23/043 , G21K1/02 , H01J35/16 , H01J2235/166
Abstract: The present invention provides an X-ray generating apparatus and an X-ray fluoroscopy imaging system comprising the same. The X-ray generating apparatus comprises: an electron accelerator including an electron acceleration unit, an electron emission unit, and a target; a shielding and collimating device, including a shielding structure and a collimator arranged in the shielding structure, wherein the target is surrounded by the shielding structure, the collimator is arranged in a direction passing through the target point and forming an angle from 30 degrees to 150 degrees with the electron beam shooting the target.
Abstract translation: 本发明提供一种X射线产生装置和包括该X射线产生装置的X射线荧光透视成像系统。 X射线产生装置包括：包括电子加速单元，电子发射单元和靶的电子加速器; 屏蔽和准直装置，包括布置在屏蔽结构中的屏蔽结构和准直器，其中目标被屏蔽结构包围，准直器布置在穿过目标点的方向上，并形成从30度到150度的角度 电子束拍摄目标。
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公开(公告)号：US20150185166A1
公开(公告)日：2015-07-02
申请号：US14582069
申请日：2014-12-23
Applicant: NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
Inventor： Huaping TANG , Zhiqiang CHEN , Chuanxiang TANG , Huaibi CHEN , Yuanjing LI , Ziran ZHAO , Yaohong LIU , Shangmin SUN , Xinshui YAN , Zhanfeng QIN
CPC classification number: G01N23/043 , G01T7/08 , G01V5/0033 , G01V5/0041 , G01V5/005 , G21K1/025
Abstract: The X-ray fluoroscopic imaging system of the present invention comprises: an inspection passage; an electron accelerator; a shielding collimator apparatus comprising a shielding structure, and a first collimator for extracting a low energy planar sector X-ray beam and a second collimator for extracting a high energy planar sector X-ray beam which are disposed within the shielding structure; a low energy detector array for receiving the X-ray beam from the first collimator; and a high energy detector array for receiving the X-ray beam from the second collimator. The first collimator, the low energy detector array and the target point bombarded by the electron beam are located in a first plane; and the second collimator, the high energy detector array and the target point bombarded by the electron beam are located in a second plane.
Abstract translation: 本发明的X射线透视成像系统包括：检查通道; 电子加速器; 包括屏蔽结构的屏蔽准直器装置和用于提取低能平面扇形X射线束的第一准直器和用于提取设置在屏蔽结构内的高能平面扇形X射线束的第二准直器; 低能量检测器阵列，用于接收来自第一准直仪的X射线束; 以及用于从第二准直器接收X射线束的高能量检测器阵列。 第一准直器，低能量检测器阵列和由电子束轰击的目标点位于第一平面中; 并且第二准直器，高能量检测器阵列和由电子束轰击的目标点位于第二平面中。
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公开(公告)号：US20230288350A1
公开(公告)日：2023-09-14
申请号：US18013555
申请日：2021-07-02
Applicant: NUCTECH COMPANY LIMITED
Inventor： Zhiqiang CHEN , Yuanjing LI , Shangmin SUN , Chunguang ZONG , Yu HU , Huaping TANG , Bicheng LIU , Weizhen WANG
IPC: G01N23/203
CPC classification number: G01N23/203 , G01N2223/316 , G01N2223/3301 , G01N2223/501
Abstract: The present invention relates to a backscatter imaging device, a control method and an inspection system. The backscatter imaging device includes a ray source assembly configured to emit rays to a scanning area; a backscatter detector array including a plurality of backscattering detectors and configured to receive scattered photons when the rays are backscattered by an object within the scanning area; and a first collimator assembly including a plurality of first collimating channels corresponding to the plurality of backscatter detectors respectively, arranged on one side of the backscatter detector array adjacent to the scanning area, and configured to align the scattered photons when the rays are backscattered by the object, and the plurality of backscatter detectors receive scattered photons corresponding to a plurality of depths in the object respectively; and at least part of the plurality of first collimation channels have an adjustable collimation angle.
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Patent Agency Ranking
公开(公告)号：US20170122884A1
公开(公告)日：2017-05-04
申请号：US15301345
申请日：2015-12-14
Applicant: NUCTECH COMPANY LIMITED
Inventor： Li ZHANG , Xin JIN , Huaping TANG , Qingping HUANG , Yunda SUN , Zhiqiang CHEN
IPC: G01N23/04
CPC classification number: G01N23/04 , G01N23/046 , G01N2223/3307 , G01N2223/423 , G01N2223/643 , G01V5/0041
Abstract: The present disclosure discloses a radiography system including: a ray source, comprising a plurality of X-ray generators which are distributed on one or more planes intersected with a moving direction of an object being inspected; a detector module comprising a plurality of detection units; a data collection circuit; a controller, configured to control at least two X-ray generators of the plurality of X-ray generators in the ray source to generate X-rays alternately such that the object is scanned by the generated X-rays; and control the detector module and the data collection circuit to respectively obtain detection data corresponding to the at least two X-ray generators; and a data processing computer, configured to create images of the object being inspected in view angles of the at least two X-ray generators based on the detection data. The above embodiments may implement a multi-view-angle perspective imaging system within a single scan plane by utilizing a distributed X-ray source and reuse of the detectors.
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公开(公告)号：US20160223474A1
公开(公告)日：2016-08-04
申请号：US14901989
申请日：2015-08-27
Applicant: NUCTECH COMPANY LIMITED
Inventor： Huaping TANG , Zhiqiang CHEN , Yuanjing LI , Zhuoyan LIU , Yonggang WANG , Zhanfeng QIN
CPC classification number: G01N23/04 , B07C5/3416 , G01N23/046 , G01N2223/643 , G01N2223/645
Abstract: An X-ray product quality automatic inspection device of the present invention comprises: a distributed X-ray source having a plurality of targets and being able to generate X-rays for irradiating an inspected product from the plurality of targets in a predetermined sequence; a detector for receiving the X-rays generated by the distributed X-ray source and outputting a signal representing characteristics of the received X-rays; a transport device for carrying the inspected product to pass through an X-ray radiation region; and a power supply and control device, which is used to supply power to and control the X-ray product quality automatic inspection device, to form characteristic information of the inspected product according to the signal from the detector and to provides an inspection and analysis result of the inspected product according to the characteristic information.
Abstract translation: 本发明的X射线产品质量自动检查装置包括：具有多个靶的分布式X射线源，能够产生用于以预定顺序从多个靶照射被检查物品的X射线; 检测器，用于接收由分布式X射线源产生的X射线，并输出表示所接收的X射线特性的信号; 用于携带被检查产品通过X射线辐射区域的传送装置; 以及用于向X射线产品质量自动检查装置供电和控制的电源和控制装置，根据来自检测器的信号形成被检查产品的特征信息，并提供检查和分析结果 根据特征信息检查产品。
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公开(公告)号：US20150185356A1
公开(公告)日：2015-07-02
申请号：US14582076
申请日：2014-12-23
Applicant: NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
Inventor： Huaping TANG , Zhiqiang CHEN , Chuanxiang TANG , Huaibi CHEN , Yuanjing LI , Ziran ZHAO , Yaohong LIU , Shangmin SUN , Xinshui YAN , Zhanfeng QIN
IPC: G01V5/00
CPC classification number: G01V5/0016 , G01V5/0033 , G01V5/005 , G01V5/0066
Abstract: The present invention may perform fluoroscopic imaging simultaneously on the subjects in at least two channels using only one electron accelerator, at least two sets of X-ray beams and at least two sets of detector systems, through the design of the electron accelerator, the shielding and collimating device, the at least two detector arrays and various mechanical composite structures. The X-ray fluoroscopic imaging system according to the present invention may be designed in specific forms of a stationary type, an assembled type, a track mobile type or vehicular mobile type, etc., and has advantages such as simple structure, low cost, strong function, good image quality and the like.
Abstract translation: 本发明可以通过电子加速器的设计，通过电子加速器的设计，仅使用一个电子加速器，至少两组X射线束和至少两组检测器系统，在至少两个通道中的受试者上进行透视成像 和准直装置，至少两个检测器阵列和各种机械复合结构。 根据本发明的X射线透视成像系统可以以固定型，组装式，轨道移动型或车辆型移动式等的特定形式设计，具有结构简单，成本低廉等优点， 功能强大，图像质量好等优点。
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公开(公告)号：US20150078532A1
公开(公告)日：2015-03-19
申请号：US14490526
申请日：2014-09-18
Applicant: TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
Inventor： Chuanxiang TANG , Huaping TANG , Huaibi CHEN , Wenhui HUANG , Huayi ZHANG , Shuxin ZHENG
CPC classification number: H01J35/14 , H01J35/06 , H01J35/12 , H01J35/16 , H01J2235/068 , H01J2235/086 , H01J2235/087 , H05G1/32
Abstract: The present application provides an external thermionic cathode distributed x-ray apparatus, comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged in a linear array and installed on the side wall of the vacuum box, each electron transmitting unit is independent to each other; an anode installed in the center inside the vacuum box, and in the direction of length, the anode is parallel to the orientation of the electron transmitting unit, and in the direction of width, the anode has a predetermined angle with respect to the plane of the electron transmitting unit; and a power supply and control system having a high voltage power supply, a focusing power supply; a transmitting control means and a control system; the electron transmitting unit having: a heating filament; a cathode connected to the heating filament; an insulated support enclosing the heating filament and the cathode; a focusing electrode, arranged at the upper end of the insulated support by way of locating above the cathode; and a connecting fastener arranged above the focusing electrode and connected to the wall of the vacuum box; wherein, the filament lead is connected to the transmitting control means through the insulated support.
Abstract translation: 本申请提供了一种外部热离子阴极分布式x射线装置，包括：真空箱，其外围密封，其内部为高真空; 多个电子发射单元布置成线性阵列并安装在真空箱的侧壁上，每个电子发射单元彼此独立; 安装在真空箱内部的中心的阳极，并且在长度方向上，阳极平行于电子发射单元的取向，并且在宽度方向上，阳极相对于 电子发射单元; 以及具有高压电源，聚焦电源的电源和控制系统; 发送控制装置和控制系统; 电子发射单元具有：加热丝; 连接到加热丝的阴极; 封闭加热丝和阴极的绝缘支架; 聚焦电极，通过定位在阴极上方布置在绝缘支撑件的上端; 以及布置在聚焦电极上方并连接到真空箱壁上的连接紧固件; 其中，灯丝引线通过绝缘支撑件连接到发射控制装置。
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10.发明申请公开(公告)号：US20180090294A1
公开(公告)日：2018-03-29
申请号：US15822219
申请日：2017-11-27
Applicant: NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
Inventor： Huaping TANG , Chuanxiang TANG , Huaibi CHEN
CPC classification number: H01J35/14 , G01N23/043 , G21K1/02 , H01J35/16 , H01J2235/166
Abstract: The present invention provides an X-ray generating apparatus and an X-ray fluoroscopy imaging system comprising the same. The X-ray generating apparatus comprises: an electron accelerator, an electron emission unit, and a target; and a shielding and collimating device, including a shielding structure and multiple collimators arranged in the shielding structure, wherein the collimators are thin gaps extending from the target to an exterior surface of the shielding structure and having an axis transverse an electron beam shooting the target, and at least two collimators forming different angles with the electron beam are arranged on the same side of a plane contains the electron beam shooting the target, and the planes where the collimators locate form angles from 30 degrees to 150 degrees with the electron beam shooting the target, to draw out planar beams having different draw-out angles, each having uniform intensity distribution in its respective plane.
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