-
21.发明申请公开(公告)号：US20160187502A1
公开(公告)日：2016-06-30
申请号：US14981953
申请日：2015-12-29
Applicant: TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
Inventor： Kejun KANG , Shuwei LI , Qingjun ZHANG , Yuanjing LI , Yulan LI , Ziran ZHAO , Yinong LIU , Yaohong LIU , Weibin ZHU , Xiaolin ZHAO , Huishao HE
CPC classification number: G01T7/00 , G01T1/1603 , G01T1/17 , G01T1/2006 , G01V5/0016 , G06T1/0014 , G09G2320/0626 , G09G2320/0646 , G21K1/02 , H01L27/30 , H04N5/3698 , H04N5/57 , H05G1/36
Abstract: The present invention discloses an X-ray beam intensity monitoring device and an X-ray inspection system. The X-ray beam intensity monitoring device comprises an intensity detecting module and a data processing module, wherein the intensity detecting module is adopted to be irradiated by the X-ray beam and send a detecting signal, the data processing module is coupled with the intensity detecting module to receive the detecting signal and output an X-ray beam intensity monitoring signal, wherein the X-ray beam intensity monitoring signal includes a dose monitoring signal of the X-ray beam and a brightness correction signal of the X-ray beam. The X-ray beam intensity monitoring device can simultaneously perform dose monitoring and brightness monitoring, thereby improving the service efficiency of the X-ray beam intensity monitoring device. Moreover, the monitoring result of the X-ray beam intensity can be more accurate and reliable.
Abstract translation: 本发明公开了一种X射线束强度监测装置和X射线检查系统。 X射线束强度监测装置包括强度检测模块和数据处理模块，其中强度检测模块被X射线束照射并发送检测信号，数据处理模块与强度 检测模块，用于接收检测信号并输出X射线束强度监测信号，其中X射线束强度监测信号包括X射线束的剂量监测信号和X射线束的亮度校正信号。 X射线束强度监测装置可以同时进行剂量监测和亮度监测，从而提高X射线束强度监测装置的使用效率。 此外，X射线束强度的监测结果可以更准确可靠。
-
公开(公告)号：US20160187500A1
公开(公告)日：2016-06-30
申请号：US14983411
申请日：2015-12-29
Applicant: Tsinghua University , Nuctech Company Limited
Inventor： Yanchun WANG , Qingjun ZHANG , Yuanjing LI , Zhiqiang CHEN , Ziran ZHAO , Yinong LIU , Yaohong LIU , Jianping CHANG , Wenjian ZHANG , Shuqing ZHAO , Xiang ZOU , Yongqiang WANG
IPC: G01T1/202
CPC classification number: G01T1/2018
Abstract: A method for processing a ceramic scintillator array, characterized in that, comprising the following steps: (a) forming, in a first direction, a predetermined number of straight first-direction through-cuts which are parallel to each other and spaced from each other on a scintillator substrate by using laser; (b) adequately filling the first-direction through-cuts with an adhesive and solidifying the adhesive; (c) forming, in a second direction. a predetermined number of second direction through-cuts which are parallel to each other at a predetermined interval on the scintillator substrate by using laser, wherein the second direction is perpendicular to the first direction; and (d) adequately filling the second direction through-cuts with the adhesive and solidifying the adhesive bond.
Abstract translation: 一种用于处理陶瓷闪烁体阵列的方法，其特征在于包括以下步骤：（a）在第一方向上形成预定数量的彼此平行并且彼此间隔开的直的第一方向贯穿切口 通过使用激光在闪烁体衬底上; （b）用粘合剂充分填充第一方向贯穿切割并固化粘合剂; （c）在第二方向上形成。 通过使用激光在闪烁体基板上以预定间隔彼此平行的预定数量的第二方向贯穿切割，其中所述第二方向垂直于所述第一方向; 和（d）用粘合剂充分填充第二方向贯穿切割并固化粘合剂粘结。
-
23.发明申请FLUOROSCOPIC INSPECTION METHOD, DEVICE AND STORAGE MEDIUM FOR AUTOMATIC CLASSIFICATION AND RECOGNITION OF CARGOES 审中-公开荧光检查方法，用于自动分类和识别货物的设备和储存介质公开(公告)号：US20150189239A1
公开(公告)日：2015-07-02
申请号：US14580488
申请日：2014-12-23
Applicant: Nuctech Company Limited
Inventor： Ziran ZHAO , Yaohong LIU , Jianping GU , Qiang LI , Jian ZHANG
CPC classification number: H04N7/18 , G01V5/0016 , G06K9/00624 , G06K9/4676 , G06K2209/09 , G06T7/0004 , G06T2207/10121 , G06T2207/20076 , G06T2207/20081 , G06T2207/30112
Abstract: The present disclosure relates to a fluoroscopic inspection system for automatic classification and recognition of cargoes. The system includes: an image data acquiring unit, configured to perform scanning and imaging for a container by using an X-ray scanning device to acquire a scanned image; an image segmenting unit, configured to segment the scanned image into small regions each having similar gray scales and texture features; a feature extracting unit, configured to extract features of the small regions; a training unit, configured to generate a classifier according to annotated images; and a classification and recognition unit, configured to recognize the small regions by using the classifier according to the extracted features, to obtain a probability of each small region pertaining to a certain category of cargoes, and merge small regions to obtain large regions each representing a category.
Abstract translation: 本公开涉及一种用于自动分类和识别货物的荧光检查系统。 该系统包括：图像数据获取单元，被配置为通过使用X射线扫描装置对容器进行扫描和成像以获取扫描图像; 图像分割单元，被配置为将扫描图像分割成具有相似灰度和纹理特征的小区域; 特征提取单元，被配置为提取所述小区域的特征; 训练单元，被配置为根据注释的图像生成分类器; 以及分类识别单元，被配置为根据提取的特征通过使用分类器来识别小区域，以获得与特定类别的货物相关的每个小区域的概率，并且合并小区域以获得每个表示 类别。
-
公开(公告)号：US20150185189A1
公开(公告)日：2015-07-02
申请号：US14577603
申请日：2014-12-19
Applicant: NUCTECH COMPANY LIMITED
Inventor： Qingjun ZHANG , Yuanjing LI , Zhiqiang CHEN , Qiufeng MA , Ziran ZHAO , Yinong LIU , Yaohong LIU , Junxiao WANG , Xiang ZOU , Yanchun WANG , Jianping CHANG , Linxia TAN
CPC classification number: G01N30/18 , G01N27/622 , G01N30/12 , G01N30/20 , G01N30/30 , G01N30/7206 , G01N2030/025
Abstract: The present invention discloses a general sample injector, comprising a sample injection port mechanism, a sample injector shell, a vaporizing chamber, a heater, a temperature control unit, a carrier gas channel, a septum purge channel, a flow splitting channel, a coolant channel, a multichannel flow control valve and a temperature control unit. The general sample injector, equivalent to a “programmed temperature vaporizer” injector combining splitting/no splitting with cold column head sample injection, gives full play to the advantages of various sample injection modes, overcomes a plurality of disadvantages, and has higher practicability and better flexibility.
Abstract translation: 本发明公开了一种一般的样品注射器，其包括样品注入端口机构，样品注射器壳体，蒸发室，加热器，温度控制单元，载气通道，隔膜清洗通道，分流通道，冷却剂 通道，多通道流量控制阀和温度控制单元。 一般样品注射器相当于组合分离/不分离与冷柱头样品注入的“编程温度蒸发器”注射器，充分发挥各种样品注射模式的优点，克服了多种缺点，具有较高的实用性和更好的效果 灵活性。
-
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。
-
Patent Agency Ranking
公开(公告)号：US20240334585A1
公开(公告)日：2024-10-03
申请号：US18575277
申请日：2022-07-05
Applicant: TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
Inventor： Kejun KANG , Yaohong LIU , Huaibi CHEN , Liang ZHANG , Chuanxiang TANG , Yuanjing LI
CPC classification number: H05H7/02 , H05G1/32 , H05H7/12 , H05H2007/027
Abstract: A ray generating device and a control method thereof are provided. The ray generating device includes: an electronic beam generating device; a microwave generating device; a microwave circulator, having a power input port and at least two power output ports, the power input port being connected to the microwave generating device; a plurality of accelerating tubes respectively connected to at least two power output ports, configured to respectively receive a plurality of electronic beams, and accelerate electronic beams respectively through microwaves received from the at least two power output ports, and to respectively generate a plurality of rays having at least two different energies; and a controller, configured to perform chronological control on microwave power of the microwave generating device, and chronological control on beam loadings of the electronic beams generated by the electronic beam generating device and respectively corresponding to accelerating tubes.
-
公开(公告)号：US20210055267A1
公开(公告)日：2021-02-25
申请号：US16622553
申请日：2019-05-17
Applicant: Nuctech Company Limited
Inventor： Qingjun ZHANG , Yuanjing LI , Zhiqiang CHEN , Ziran ZHAO , Yinong LIU , Yaohong LIU , Honghui XIN , Biao CAO , Nan BAI , Qiufeng MA
IPC: G01N30/02
Abstract: The present disclosure relates to an article inspection system and method, an electronic device, and a storage medium, and relates to the field of security inspection technology. The system includes: a pre-concentration sampling module configured to concentrate and sample gas molecule of the article under inspection to obtain a sample; a gas chromatography module; an internal circulation gas path module; and an ion migration tube module connected to the internal circulation gas path module and configured to form a fingerprint spectrum of the article under inspection from a spectrum of the pre-separated sample molecules, so as to identify a kind of the article under inspection according to the fingerprint spectrum. The present disclosure improves the efficiency and accuracy of article inspection, and realizes intelligent inspection of articles.
-
公开(公告)号：US20200150086A1
公开(公告)日：2020-05-14
申请号：US16627434
申请日：2019-01-25
Applicant: TSINGHUA UNIVERSITY , Nuctech Company Limited
Inventor： Qingjun ZHANG , Yuanjing LI , Zhiqiang CHEN , Ziran ZHAO , Yinong LIU , Yaohong LIU , Honghui XIN , Biao CAO , Nan BAI , Wei WANG , Qiufeng MA
Abstract: A gas path flow monitoring apparatus for an ion mobility spectrometer includes: an ion migration tube, a sensor group, and monitoring device. The ion migration tube has a drift gas inlet, a carrier gas inlet for a sample gas, and an exhaust outlet. The sensor group comprises a drift gas intake quantity sensor connected to the drift gas inlet, a carrier gas intake quantity sensor connected to the carrier gas inlet, and an exhaust quantity sensor connected to the exhaust outlet. The monitoring device is connected to the sensor group to monitor a drift gas intake quantity sensed by the drift gas intake quantity sensor, a carrier gas intake quantity sensed by the carrier gas intake quantity sensor, and an exhaust quantity sensed by the exhaust quantity sensor.
-
公开(公告)号：US20190317240A1
公开(公告)日：2019-10-17
申请号：US16467140
申请日：2017-08-04
Applicant: NUCTECH COMPANY LIMITED
Inventor： Zhiqiang CHEN , Ziran ZHAO , Yaohong LIU , Jianping GU , Qian YI , Bicheng LIU , Guangming XU
IPC: G01V5/00 , G01N23/046
Abstract: The present disclosure provides a spiral Computed Tomography (CT) device and a three-dimensional image reconstruction method. The spiral CT device includes: an inspection station configured to carry an object to be inspected, the inspection station defining an inspection space which is located above the inspection station and is used for accommodating the object to be inspected; a rotational supporting apparatus which is disposed around the inspection space in a plane parallel to a first direction and is rotatable around the inspection space in a detection state; a plurality of X-ray sources located on the rotational supporting apparatus and configured to transmit X-rays to pass through the inspection space; and a plurality of X-ray receiving apparatuses in one-to-one correspondence to the plurality of X-ray sources, the plurality of X-ray receiving apparatuses being located on the rotational supporting apparatus opposite to the plurality of X-ray sources respectively and configured to collect the X-rays passing through the inspection space, wherein the plurality of X-ray sources and the plurality of X-ray receiving apparatuses are rotational synchronously with the rotational supporting apparatus.
-
30.发明申请公开(公告)号：US20190204270A1
公开(公告)日：2019-07-04
申请号：US16235315
申请日：2018-12-28
Applicant: Nuctech Company Limited , TSINGHUA UNIVERSITY
Inventor： Qingjun ZHANG , Weiping ZHU , Yuanjing LI , Zhiqiang CHEN , Ziran ZHAO , Yinong LIU , Yaohong LIU , Qiufeng MA , Ge LI , Biao CAO , Nan BAI
CPC classification number: G01N27/622 , G01N30/20 , G01N30/6026 , G01N2030/025
Abstract: A gas chromatography-ion mobility spectrometry detector and a hyphenated apparatus, the gas chromatography-ion mobility spectrometry detector comprises a gas chromatography mechanism and an ion mobility spectrometry mechanism. The gas chromatography mechanism comprises a chromatographic column and a sample injection port. The ion mobility spectrometry mechanism comprises a mobility tube and a connecting body, while a metal connection plate of the connecting body comprises a chromatographic metal plate, an ion mobility metal plate and a semipermeable membrane; on the ion mobility metal plate there are provided an ion mobility sample and carrier gas inlet, an ion mobility sample chamber and a sample injection port; the chromatography sample chamber and the ion mobility sample chamber are separated by semipermeable membrane.
-
-
-
-
-
-
-
-
-
Search Results
55
records
(took 0.017 seconds)
