Test system with a CT scanner and an additional scan imaging device
Test system with a CT scanner and an additional scan imaging device
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带有 CT 扫描仪和附加扫描成像设备的测试系统
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
Yuxiang Xing
中科院分区：
文献类型：
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作者：
Li Zhang;Zhiqiang Chen;Haifeng Hu;Yuanjing Li;Yinong Liu;S. Sun;Wenyu Zhang;Yuxiang Xing
一种测试系统，具有：CT扫描仪(80)，其中CT扫描仪(80)包括机架(11)，其中机架(11)连接到放射源(9)并且相对于辐射源(9)与机架(11)检测装置(10)连接，其中检测装置(10)检测相邻两排检测器之间具有至少5 mm且不超过80 mm的预定间隔S的N排检测器，其中N是大于1的整数，其中间隔S t是每个检测器的节距d与宽度之间的差，即S=t-d，并具有用于运送待测物体的输送装置(6)，其中，所述输送装置(6)包括支架、传送带(70)和输送位置编码器(5)，其中，为所述物体提供位置确定装置(4)，所述位置确定装置(4)适于确定所述物体的位置，其中所述位置确定装置(4)还适于确定所述物体的起点和终点，并且其中存在控制模块(12)，并且控制模块(12)适合于基于起始点和随后由传送带位置编码器(5)进行的计数来实时地确定对象的位置；其中，该检查系统被配置为使得在台架每次旋转360度时产生的由所有N个探测器行扫描的测试面中，每个探测器行检查360/N度的测试区域的一部分，并且随着台架每次旋转360/N度，借助于传送装置(6)将对象移动长度t到相邻的探测器行的中心距离是相似的，其中存在用于获得对象的二维图像的附加扫描成像装置(60)，其中，CT扫描仪(80)和扫描成像设备(60)被布置为它们同时操作，并且CT单元(80)是三维图像，并且移动用于接收对象的二维图像的扫描成像设备(60)，其中对象以0.18到0.25m/S的速度移动。
Test system with: a CT scanner (80), wherein the CT scanner (80) includes a gantry (11), a with the gantry (11) connected to the radiation source (9) and connected one with the gantry (11) detection apparatus (10) relative to the radiation source (9), wherein the detection device (10) N detectors rows with a predetermined interval S of at least 5 mm and not more than 80 mm between two adjacent rows of detectors, wherein N is an integer greater than 1, wherein the interval S t is the difference between a pitch d of each of the detectors is between two adjacent detectors rows and a width, ie, S = t - d, and with a transport device (6) for transporting an object to be tested, wherein the transport device (6) comprising a support, a conveyor belt (70) and a conveyor position encoder (5), wherein a position determining device (4) is provided for the object, which is adapted to determine the position of the object, wherein the position determining means (4) is further adapted to determine a start point and an end point of the object, and wherein a control module (12) is present and is adapted to the position of the object in real time on the basis of the start point and a count by the conveyor position encoder (5) to follow; wherein the inspection system is configured such that in the swept by all N detectors rows test surface that is generated at each rotation of the gantry about 360 degrees, each detector row checks a portion of the test area of 360 / N degrees, and that with each rotation of the gantry about 360 / N degrees the object by means of the transport device (6) is moved by a length t to the center distance of the adjacent rows of detectors is similar, wherein an additional scanning imaging device (60) for obtaining a two-dimensional image of the object is present, wherein the CT scanner (80) and the scanning imaging device (60) are arranged such that they operate simultaneously and the CT unit (80) is a three-dimensional image and the scan imaging device (60) to receive a two-dimensional image of the object, wherein the object is at a speed 0.18 to 0.25 m / s is moved.