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公开(公告)号：US20230301604A1
公开(公告)日：2023-09-28
申请号：US18249959
申请日：2021-09-27
Applicant: NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
Inventor： Li ZHANG , Zhiqiang CHEN , Mingzhi HONG , Qingping HUANG , Zinan WANG , Jinning LIANG , Hongbin HOU
Abstract: Disclosed is a support frame (1) of a CT imaging system, including: a connection flat plate portion (10); a support body portion (20) disposed on the connection flat plate portion (10); an X-ray source installation reference portion (30) disposed on the connection flat plate portion (10); an electrical installation portion (40); a cooling component installation portion (50); and a through hole (60), wherein the through hole is surrounded by the support body portion (20), the X-ray source installation reference portion (30), the electrical installation portion (40) and the cooling component installation portion (50), and the through hole penetrates the connection body portion (10). The connection flat plate portion (10), the support body portion (20), the X-ray source installation reference portion (30), the electrical installation portion (40) and the cooling component installation portion (50) are integrally formed.
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公开(公告)号：US20220404312A1
公开(公告)日：2022-12-22
申请号：US17806805
申请日：2022-06-14
Applicant: Nuctech Company Limited
Inventor： Yan Wang , Qingjun Zhang , Yuanjing Li , Zhiqiang CHEN , Jianmin Li , Yaohong Liu , Ge Li , Zhongyuan Hao , Nei Yang , Guangqin Li
IPC: G01N27/623 , H01J49/42 , H01J49/00 , H01J49/06
Abstract: The present disclosure provides a gas analysis device and a method for detecting sample gas. The gas analysis device includes: an ion mobility spectrometer including an ion mobility tube, an ion gate, a plurality of electrodes, a suppression grid, and a Faraday plate sequentially disposed in the ion mobility tube, wherein the Faraday plate is configured to receive sample ions discharged from the suppression grid, and the Faraday plate is provided with a through hole; a mass spectrometer; a gate valve disposed between the Faraday plate and an ion inlet of the mass spectrometer; and a controller configured to control an opening or closing of the gate valve to allow the sample ions discharged from the suppression grid to flow into the mass spectrometer through the through hole of the Faraday plate when the gate valve is opened.
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公开(公告)号：US20220099601A1
公开(公告)日：2022-03-31
申请号：US17420681
申请日：2020-01-03
Inventor： Zhiqiang CHEN , Yuanjing LI , Li ZHANG , Jianmin LI , Shangmin SUN , Chunguang ZONG , Yu HU , Quanwei SONG , Hejun ZHOU , Weifeng YU , Jinguo CAO , Bing FU
IPC: G01N23/10 , G01N23/04 , G01N23/083
Abstract: The present disclosure provides a radiation inspection apparatus and a radiation inspection method. The radiation inspection apparatus includes: a radiation inspection device comprising a ray source and a detector that cooperates with the ray source to perform scanning inspection on an object to be inspected, the radiation inspection device having an inspection channel for the object to be inspected to pass through when scanning inspection is performed thereon; and traveling wheels provided at the bottom of the radiation inspection device to enable the radiation inspection apparatus to travel in an extension direction of the inspection channel, and the traveling wheels are configured to rotate 90° to enable the radiation inspection apparatus to travel in a direction perpendicular to the extension direction of the inspection channel.
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公开(公告)号：US20210404988A1
公开(公告)日：2021-12-30
申请号：US16626767
申请日：2019-06-12
Applicant: NUCTECH COMPANY LIMITED
Inventor： Qingjun ZHANG , Yuanjing LI , Zhiqiang CHEN , Jianmin LI , Yinong LIU , Yaohong LIU , Lili YAN , Biao CAO , Weiping ZHU , Ge LI , Qiufeng MA , Qi MAO , Nan BAI
IPC: G01N27/622 , G01N1/22
Abstract: There are provided an ion mobility spectrometer and a sniffer. The ion mobility spectrometer includes: an ion migration tube; a sampling gas path having a sampling device configured to temporarily store a sample gas collected by a sampling head in a sampling pipe; a sample introduction gas path having two ends in communication with the gas inlet and outlet of the ion migration tube respectively, and configured to introduce a carrier gas within the ion migration tube into the sampling pipe and to carry a sample gas temporarily stored in the sampling pipe into the ion migration tube; and a valve assembly configured to only allow gas to flow from the sampling device to the sampling pipe in a sampling state, and to only allow gas to flow from the ion migration tube through the sampling pipe back to the ion migration tube in a sample introduction state.
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公开(公告)号：US20210048376A1
公开(公告)日：2021-02-18
申请号：US16989123
申请日：2020-08-10
Applicant: NUCTECH COMPANY LIMITED , Tsinghua University
Inventor： Qingjun ZHANG , Yuanjing LI , Zhiqiang CHEN , Jianmin LI , Shangmin SUN , Yaohong LIU , Weiping ZHU , Qiufeng MA , Ge LI , Biao CAO , Zheng LIANG , Ying LI , Yu HU
Abstract: A sampling probe, an automatic sampling device, and a container detection system are provided. The sampling probe includes: a mounting base; a housing mounted on the mounting base, a first accommodation chamber having an opening being defined in the housing, and an exhaust hole in communication with the first accommodation chamber and outside of the housing being formed in the housing; a coupling portion formed on an outer edge of the opening of the first accommodation chamber and formed to be hermetically coupled with an air outlet of a container; and a suction device mounted on the housing and configured to suck gas in the container into the first accommodation chamber through the air outlet. The sampling probe may collect the odor of toxic and harmful gases/hazardous chemicals inside the container at the air outlet of the container, without destroying the overall structure of the container.
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Patent Agency Ranking
66.发明申请公开(公告)号：US20190277999A1
公开(公告)日：2019-09-12
申请号：US16296686
申请日：2019-03-08
Applicant: NUCTECH COMPANY LIMITED
Inventor： Zhiqiang CHEN , Ziran ZHAO , Yuanjing LI , Xilei LUO , Yingkang JIN , Zhimin ZHENG , Wanlong WU , Lingbo QIAO , Wenguo LIU
Abstract: An extensible millimeter wave security inspection system, a security inspection method for a human body using the extensible millimeter wave security inspection system and an extensible millimeter wave scanning unit are disclosed. The extensible millimeter wave security inspection system includes at least one security inspection passage, at least one scanning units are provided on at least one side of two sides of each security inspection passage, each scanning unit includes at least one millimeter wave transceiving module, the millimeter wave transceiving module includes an array of millimeter wave antennas configured to transmit and receive millimeter wave signals and a millimeter wave transceiver associated with the array of millimeter wave antennas, and the millimeter wave transceiving module is arranged to scan by millimeter wave a target to be inspected in the security inspection passage along a direction in which the security inspection passage extends.
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公开(公告)号：US20190204244A1
公开(公告)日：2019-07-04
申请号：US16234630
申请日：2018-12-28
Applicant: NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
Inventor： Hao YU , Ying LI , Weizhen WANG , Quanwei SONG , Dongyu WANG , Haojie CHI , Jianmin LI , Yulan LI , Chunguang ZONG , Zhiqiang CHEN , Yuanjing LI , Li ZHANG
IPC: G01N23/203 , G01V5/00
CPC classification number: G01N23/203 , G01V5/0025
Abstract: The present disclosure discloses a vehicle-mounted type back scattering inspection system. The back scattering imaging device has a vehicle-mounted working state and a ground working state, and in the vehicle-mounted working state, the back scattering imaging device performs inspection work in the carriage; in the ground working state, the back scattering imaging device performs the inspection work on the ground at the outside of the carriage; and the back scattering imaging device is separately arranged relative to the carriage and is movable between the carriage and the ground to switch between the vehicle-mounted working state and the ground working state.
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公开(公告)号：US20190204240A1
公开(公告)日：2019-07-04
申请号：US16231373
申请日：2018-12-21
Applicant: Tsinghua University , Nuctech Company Limited
Inventor： Ke LI , Jianmin LI , Weifeng YU , Yulan LI , Xuejing YANG , Yuanjing LI , Chunguang ZONG , Zhiqiang CHEN , Li ZHANG
IPC: G01N23/04
CPC classification number: G01N23/04 , G01N2223/04 , G01N2223/303 , G01N2223/33 , G01N2223/401
Abstract: The present disclosure provides a scanned image correction apparatus, method and a mobile scanning device. The apparatus includes an image collector, an arm swing detector, and an image processor. The image collector is configured to collect a scanned image of an object under inspection during a scanning process of scanning the object under inspection by the mobile scanning device, and determine an image parameter of the scanned image. The arm swing detector is disposed at a monitor point on a detector arm of the mobile scanning device, and configured to detect a displacement offset of the detector arm in a specified direction and build an arm swing model of the detector arm. The image processor is configured to determine a change relationship between the image parameter of the scanned image and the displacement offset of the detector arm, and correct the scanned image based on the change relationship.
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69.发明申请公开(公告)号：US20190094407A1
公开(公告)日：2019-03-28
申请号：US16037810
申请日：2018-07-17
Applicant: Nuctech Company Limited , Tsinghua University
Inventor： Li ZHANG , Zhiqiang CHEN , Le SHEN , Qingping HUANG , Yunda SUN , Xin JIN , Hui DING , Yuxiang XING
IPC: G01V5/00 , G01N23/046
Abstract: The disclosure provides a scanning imaging system for security inspection of an object and an imaging method thereof, the system comprising: a conveying unit configured for bringing the object to move along a conveying direction; a plurality of radiographic sources at one side of the conveying unit, being arranged successively in a direction vertical to a plane, in which the conveying unit is located, and configured for alternately emitting ray beams to form a scanning area; a linear detector array at the other side of the conveying unit, being configured for detecting first projection images, which are formed after the ray beams emitted by the plurality of radiographic sources penetrate through the object, in the process of the object passing through the scanning area; an imaging unit configured for obtaining a first reconstructed image of the object based on the first projection images of the plurality of radiographic sources.
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公开(公告)号：US20180178415A1
公开(公告)日：2018-06-28
申请号：US15815819
申请日：2017-11-17
Applicant: Nuctech Company Limited
Inventor： Yanchun WANG , Qingjun ZHANG , Yuanjing LI , Zhiqiang CHEN , Ziran ZHAO , Yinong LIU , Yaohong LIU , Nan BAI
CPC classification number: B29C33/0033 , B22F3/14 , B28B3/025 , B30B11/002 , B30B15/026 , C04B35/50 , C04B35/5156 , C04B35/547 , C04B35/645 , C04B2111/807 , C04B2235/3224 , C04B2235/3895 , C04B2235/94 , G01T1/20
Abstract: A mold and a method of manufacturing GOS ceramic scintillator by using the mold are provided. The mold comprises: a female outer sleeve having a cavity disposed inside; a plurality of female blocks disposed inside the cavity, the plurality of female blocks being put together to form a composite structure having a vertical through hole; and a male upper pressing head and a male lower pressing head, wherein each of the male upper pressing head and the male lower pressing head has a shape consistent with that of the vertical through hole. The disclosure may reduce defects of the related art in hot-pressing-sintering such as a mold has a short retirement period and a high material waste, significantly reduce the cost for production of the GOS ceramic scintillator, and significantly improve a process economy.
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