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公开(公告)号：US10078056B2
公开(公告)日：2018-09-18
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.
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公开(公告)号：US09341736B2
公开(公告)日：2016-05-17
申请号：US14134845
申请日：2013-12-19
Applicant: NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
Inventor： Huaping Tang , Yuanjing Li , Ziran Zhao , Yaohong Liu , Zhanfeng Qin , Jinyu Zhang , Hu Tang
CPC classification number: G01V5/0016 , G01N23/046 , G01V5/005
Abstract: This invention relates to an X-ray goods inspection apparatus, and in particular to a goods inspection apparatus using distributed X-ray source.
Abstract translation: 本发明涉及一种X射线物品检查装置，特别涉及一种使用分布式X射线源的货物检验装置。
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公开(公告)号：US10969346B2
公开(公告)日：2021-04-06
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
IPC: G01N23/04 , G01N23/046 , B07C5/34
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.
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公开(公告)号：US10648929B2
公开(公告)日：2020-05-12
申请号：US15300751
申请日：2015-12-14
Applicant: NUCTECH COMPANY LIMITED
Inventor： Huaping Tang , Zhiqiang Chen , Yuanjing Li , Xin Jin , Zhuoyan Liu , Yonggang Wang , Hua Peng , Zhanfeng Qin
Abstract: Embodiments of the present invention provide a trailed multiple-viewing-angle item inspection system and method of operating the same. The inspection system includes: a trailer vehicle, a radiation inspection device, a power supply device and a power grid connection device. The trailer vehicle is mounted with a power supply chamber within which a power supply device and a power grid connection device are mounted and an inspection chamber within which a radiation inspection device is mounted. The radiation inspection device includes: ray radiation source configured to emit X-rays from various positions, detectors, a body frame, a transfer device, a data and image process system and a display and operation device. The trailed multiple-viewing-angle item inspection system of the present invention can obtain a transmission image containing depth information of an item by its one pass through the device, and achieve a high-speed inspection, a good image quality and a high inspection efficiency of hazardous articles, and its flexibility and movability can meet requirements in various working conditions.
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公开(公告)号：US10274636B2
公开(公告)日：2019-04-30
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
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.
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Patent Agency Ranking
公开(公告)号：US10129971B2
公开(公告)日：2018-11-13
申请号：US14900601
申请日：2013-11-19
Applicant: Nuctech Company Limited
Inventor： Shangmin Sun , Zhanfeng Qin , Sheng Yao , Weifeng Yu , Liwei Song , Chunguang Zong , Jinning Liang
Abstract: The present invention provides a standing wave electron linear accelerator comprising a modulator and a magnetron for producing radio frequency microwaves; a plurality of accelerating tubes for accelerating electrons; a microwave transmission system for feeding the microwaves into the plurality of accelerating tubes; a plurality of electron guns for emitting electron beams into the plurality of accelerating tubes; a plurality of targets impinged by the electrons from a plurality of accelerating tubes to form continuous spectrums of X-rays; a plurality of shielding devices for shielding the continuous spectrums of X-rays generated by the targets; and a microwave distributor disposed adjacent to the end of the microwave transmission system, wherein the microwave distributor has a microwave inlet and a plurality of microwave outlets for distributing the microwaves in the microwave transmission system into the accelerating tubes.
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公开(公告)号：US09857317B2
公开(公告)日：2018-01-02
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.
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公开(公告)号：US11026319B2
公开(公告)日：2021-06-01
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：US10014148B2
公开(公告)日：2018-07-03
申请号：US14904061
申请日：2015-08-19
Applicant: Nuctech Company Limited
Inventor： Huaping Tang , Zhiqiang Chen , Yuanjing Li , Yonggang Wang , Zhanfeng Qin
CPC classification number: H01J35/065 , H01J3/021 , H01J35/14 , H01J2203/022 , H01J2203/0224 , H01J2203/0236 , H01J2235/062 , H01J2235/068 , H05G1/52
Abstract: The present disclosure is directed to an electron source and an X-ray source using the same. The electron source of the present invention comprises: at least two electron emission zones, each of which comprises a plurality of micro electron emission units, wherein the micro electron emission unit comprises: a base layer, an insulating layer on the base layer, a grid layer on the insulating layer, an opening in the grid layer, and an electron emitter that is fixed at the base layer and corresponds to a position of the opening, wherein the micro electron emission units in the same electron emission zone are electrically connected and simultaneously emit electrons or do not emit electrons at the same time, and wherein different electron emission zones are electrically partitioned.
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公开(公告)号：US20170162359A1
公开(公告)日：2017-06-08
申请号：US14904061
申请日：2015-08-19
Applicant: NUCTECH COMPANY LIMITED
Inventor： Huaping Tang , Zhiqiang Chen , Yuanjing Li , Yonggang Wang , Zhanfeng Qin
CPC classification number: H01J35/065 , H01J3/021 , H01J35/14 , H01J2203/022 , H01J2203/0224 , H01J2203/0236 , H01J2235/062 , H01J2235/068 , H05G1/52
Abstract: The present disclosure is directed to an electron source and an X-ray source using the same. The electron source of the present invention comprises: at least two electron emission zones, each of which comprises a plurality of micro electron emission units, wherein the micro electron emission unit comprises: a base layer, an insulating layer on the base layer, a grid layer on the insulating layer, an opening in the grid layer, and an electron emitter that is fixed at the base layer and corresponds to a position of the opening, wherein the micro electron emission units in the same electron emission zone are electrically connected and simultaneously emit electrons or do not emit electrons at the same time, and wherein different electron emission zones are electrically partitioned.
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