公开(公告)号：US11925183B2

公开(公告)日：2024-03-12

申请号：US17661257

申请日：2022-04-28

申请人： Tsinghua University ,  Nuctech Company Limited

发明人： Zhiqiang Chen ,  Li Zhang ,  Qingping Huang ,  Yong Zhou ,  Hui Ding ,  Chao Ji

IPC分类号： G01N23/046 ,  A22B5/00 ,  G01N23/083 ,  G01N23/18 ,  G01N33/12

CPC分类号： A22B5/007 ,  G01N23/046 ,  G01N23/083 ,  G01N23/18 ,  G01N33/12 ,  G01N2223/1016 ,  G01N2223/204 ,  G01N2223/30 ,  G01N2223/3307 ,  G01N2223/3308 ,  G01N2223/419 ,  G01N2223/5015 ,  G01N2223/618 ,  G01N2223/643

摘要： The present disclosure relates to a static CT detection device, including: a shielding body, formed with a detection channel through which an object under detection can pass; a ray source, emitting rays for detecting the object under detection when the object under detection passes through the detection channel; and a detector, for acquiring the rays emitted by the ray source and having passed through the detection channel, wherein the shielding body is formed with an opening portion, and the opening portion extends from an inlet of the detection channel to an outlet of the detection channel.

公开(公告)号：US09523591B2

公开(公告)日：2016-12-20

申请号：US14577355

申请日：2014-12-19

申请人： Nuctech Company Limited

发明人： Yumin Zhu ,  Jinyu Zhang ,  Hui Ding ,  Hu Tang

IPC分类号： G01D5/24 ,  G01D5/347 ,  G01D5/244 ,  H01R39/08

CPC分类号： G01D5/3473 ,  G01D5/24461 ,  G01D5/24476 ,  H01R39/08

摘要： Disclosed is an encoder and encoding method for slip ring. The encoder includes: an encoding belt that is fixed to a slip ring and has a plurality of holes regularly arranged on the encoding belt; at least one pair of first sensors provided on one side of the encoding belt, wherein the first sensors of each pair generate a first sense signal and a first redundant sense signal respectively based on light emitted from the other side of the encoding belt and passing through the plurality of holes, when the encoding belt rotates with the slip ring; and at least one signal combiner connected to the at least one pair of the first sensors, and configured to combine the first sense signal and the first redundant sense signal to obtain a combined sense signal as a first encoded signal. With embodiments of the present invention, a redundant signal is provided by using a redundant sensor, and it is possible to avoid interference of foreign substance, improve stability of encoded signals and ensure normal operation of equipment.

摘要翻译： 公开了一种用于滑环的编码器和编码方法。 编码器包括：编码带，其固定在滑环上，并且具有规则地布置在编码带上的多个孔; 设置在所述编码带的一侧的至少一对第一传感器，其中，每对的所述第一传感器分别基于从所述编码带的另一侧发射的光并经过所述第一传感信号和所述第一冗余感测信号 当编码带与滑环一起旋转时，该多个孔; 以及至少一个信号组合器，其连接到所述至少一对所述第一传感器，并且被配置为组合所述第一感测信号和所述第一冗余感测信号，以获得作为第一编码信号的组合感测信号。 利用本发明的实施例，通过使用冗余传感器来提供冗余信号，并且可以避免异物干扰，提高编码信号的稳定性并确保设备的正常运行。

公开(公告)号：US09507051B2

公开(公告)日：2016-11-29

申请号：US14577446

申请日：2014-12-19

申请人： NUCTECH COMPANY LIMITED

发明人： Jinyu Zhang ,  Lei Liao ,  Hui Ding ,  Hu Tang ,  Li Zhang

IPC分类号： G01J5/02 ,  G01V8/24 ,  F16P3/14 ,  H03K17/94

CPC分类号： G01V8/24 ,  F16P3/144 ,  H03K17/943 ,  H03K2217/94026 ,  H03K2217/94112

摘要： A photoelectric switch for detection of an object. The photoelectric switch comprises: a light transmitter unit comprising plural light transmitters configured to emit plural light signals; a light receiver unit comprising plural optical fiber receivers in one-to-one correspondence with the plural light transmitters and configured to receive the plural light signals and to merge plural light signals, wherein an object detection area is defined between the plural light transmitters and the plural optical fiber receivers; a photoelectric conversion unit connected to the optical fiber receivers and configured to perform photoelectric conversions on the merged light signals outputted by the optical fiber receivers so as to generate an electric signal; and a control and processing unit connected to both the light transmitter unit and the photoelectric conversion unit, and configured to control and process the light signals and/or the electric signal.

摘要翻译： 一种用于检测物体的光电开关。 光电开关包括：光发射器单元，包括配置为发射多个光信号的多个光发射器; 一种光接收单元，包括与多个光发射器一一对应的多个光纤接收器，并被配置为接收多个光信号并合并多个光信号，其中在多个光发射机和 多个光纤接收器; 光电转换单元，连接到光纤接收器，并被配置为对由光纤接收器输出的合并光信号执行光电转换，以产生电信号; 以及控制和处理单元，连接到光发射单元和光电转换单元，并且被配置为控制和处理光信号和/或电信号。

公开(公告)号：US20150185053A1

公开(公告)日：2015-07-02

申请号：US14577355

申请日：2014-12-19

申请人： Nuctech Company Limited

发明人： Yumin Zhu ,  Jinyu Zhang ,  Hui Ding ,  Hu Tang

IPC分类号： G01D5/347 ,  H01R39/08

CPC分类号： G01D5/3473 ,  G01D5/24461 ,  G01D5/24476 ,  H01R39/08

摘要： Disclosed is an encoder and encoding method for slip ring. The encoder includes: an encoding belt that is fixed to a slip ring and has a plurality of holes regularly arranged on the encoding belt; at least one pair of first sensors provided on one side of the encoding belt, wherein the first sensors of each pair generate a first sense signal and a first redundant sense signal respectively based on light emitted from the other side of the encoding belt and passing through the plurality of holes, when the encoding belt rotates with the slip ring; and at least one signal combiner connected to the at least one pair of the first sensors, and configured to combine the first sense signal and the first redundant sense signal to obtain a combined sense signal as a first encoded signal. With embodiments of the present invention, a redundant signal is provided by using a redundant sensor, and it is possible to avoid interference of foreign substance, improve stability of encoded signals and ensure normal operation of equipment.

摘要翻译： 公开了一种用于滑环的编码器和编码方法。 编码器包括：编码带，其固定在滑环上，并且具有规则地布置在编码带上的多个孔; 设置在所述编码带的一侧的至少一对第一传感器，其中，每对的所述第一传感器分别基于从所述编码带的另一侧发射的光并经过所述第一传感信号和所述第一冗余感测信号 当编码带与滑环一起旋转时，该多个孔; 以及至少一个信号组合器，其连接到所述至少一对所述第一传感器，并且被配置为组合所述第一感测信号和所述第一冗余感测信号，以获得作为第一编码信号的组合感测信号。 利用本发明的实施例，通过使用冗余传感器来提供冗余信号，并且可以避免异物干扰，提高编码信号的稳定性并确保设备的正常运行。

公开(公告)号：US20150185359A1

公开(公告)日：2015-07-02

申请号：US14577446

申请日：2014-12-19

申请人： Nuctech Company Limited

发明人： Jinyu Zhang ,  Lei Liao ,  Hui Ding ,  Hu Tang ,  Li Zhang

IPC分类号： G01V8/24

CPC分类号： G01V8/24 ,  F16P3/144 ,  H03K17/943 ,  H03K2217/94026 ,  H03K2217/94112

摘要： A photoelectric switch for detection of an object. The photoelectric switch comprises: a light transmitter unit comprising plural light transmitters configured to emit plural light signals; a light receiver unit comprising plural optical fiber receivers in one-to-one correspondence with the plural light transmitters and configured to receive the plural light signals and to merge plural light signals, wherein an object detection area is defined between the plural light transmitters and the plural optical fiber receivers; a photoelectric conversion unit connected to the optical fiber receivers and configured to perform photoelectric conversions on the merged light signals outputted by the optical fiber receivers so as to generate an electric signal; and a control and processing unit connected to both the light transmitter unit and the photoelectric conversion unit, and configured to control and process the light signals and/or the electric signal.

摘要翻译： 一种用于检测物体的光电开关。 光电开关包括：光发射器单元，包括配置为发射多个光信号的多个光发射器; 一种光接收单元，包括与多个光发射器一一对应的多个光纤接收器，并被配置为接收多个光信号并合并多个光信号，其中在多个光发射机和 多个光纤接收器; 光电转换单元，连接到光纤接收器，并被配置为对由光纤接收器输出的合并光信号执行光电转换，以产生电信号; 以及控制和处理单元，连接到光发射单元和光电转换单元，并且被配置为控制和处理光信号和/或电信号。

公开(公告)号：US09779054B2

公开(公告)日：2017-10-03

申请号：US14579443

申请日：2014-12-22

申请人： Nuctech Company Limited

发明人： Jinyu Zhang ,  Hui Ding ,  Hu Tang ,  Fei Fang

IPC分类号： G06F13/42 ,  G06F13/38 ,  G06F13/364 ,  G06F11/07 ,  G05B15/02 ,  G05B19/042 ,  G05B23/02

CPC分类号： G06F13/4208 ,  G05B15/02 ,  G05B19/042 ,  G05B23/0267 ,  G05B2219/2642 ,  G05B2219/31457 ,  G06F11/0784 ,  G06F13/364 ,  G06F13/385

摘要： Disclosed is system, apparatus and method for centralized management of security inspection devices, which provide connection and communication between local security inspection devices and a remote control site according to bus communication scheme. The system comprises: a plurality of security inspection devices arranged on the spot; a remote control site arranged at a remote side; and a field bus network connecting the plurality of security inspection devices with the remote control site and transmitting signals between the plurality of security inspection devices and the remote control site according to bus communication scheme. With implementations of the present invention, correct and reliable centralized management of local security inspection devices from the remote control site can be achieved with less signal lines and simpler layout of the lines.

公开(公告)号：US09500764B2

公开(公告)日：2016-11-22

申请号：US14711955

申请日：2015-05-14

申请人： Nuctech Company Limited

发明人： Li Zhang ,  Jinyu Zhang ,  Qingping Huang ,  Hu Tang ,  Hui Ding ,  Qianlu Ren

IPC分类号： G01V5/00

CPC分类号： G01V5/005 ,  G01V5/0016

摘要： The present disclosure discloses a scanning imaging system, comprising a transportation apparatus, a first imaging system, and a second imaging system. A distance between a ray beam from a first ray generator of the first imaging system and a ray beam from a second ray generator of the second imaging system in the transportation direction is roughly L. A controller is configured to acquire, based on a count value of the encoding counter module, a correspondence relationship between data in a position of the inspected object in the transportation direction which is collected by the first imaging system and data in the position of the inspected object in the transportation direction which is collected by the second imaging system, wherein a difference between a count value of the encoder corresponding to the data in the position which is collected by the first imaging system and a count value of the encoder corresponding to the data in the position which is collected by the second imaging system is roughly L/D. The present disclosure can achieve alignment of the DR data image and the CT data image in a simple manner.

摘要翻译： 本公开公开了一种扫描成像系统，包括运送装置，第一成像系统和第二成像系统。 来自第一成像系统的第一射线发生器的射线束与沿着运送方向的第二成像系统的第二射线发生器的射线束之间的距离大致为L.控制器被配置为基于计数值 编码计数器模块的数据之间的对应关系，由第一成像系统收集的运送方向上的被检查物体的位置数据与被检查物体在运送方向的位置上的数据之间的对应关系， 系统，其中对应于由第一成像系统收集的位置中的数据的编码器的计数值与对应于由第二成像系统收集的位置中的数据的编码器的计数值之间的差是 大致L / D。 本公开可以以简单的方式实现DR数据图像和CT数据图像的对准。

公开(公告)号：US20150331140A1

公开(公告)日：2015-11-19

申请号：US14711955

申请日：2015-05-14

申请人： Nuctech Company Limited

发明人： Li Zhang ,  Jinyu Zhang ,  Qingping Huang ,  Hu Tang ,  Hui Ding ,  Qianlu Ren

IPC分类号： G01V5/00

CPC分类号： G01V5/005 ,  G01V5/0016

摘要： The present disclosure discloses a scanning imaging system, comprising a transportation apparatus, a first imaging system, and a second imaging system. A distance between a ray beam from a first ray generator of the first imaging system and a ray beam from a second ray generator of the second imaging system in the transportation direction is roughly L. A controller is configured to acquire, based on a count value of the encoding counter module, a correspondence relationship between data in a position of the inspected object in the transportation direction which is collected by the first imaging system and data in the position of the inspected object in the transportation direction which is collected by the second imaging system, wherein a difference between a count value of the encoder corresponding to the data in the position which is collected by the first imaging system and a count value of the encoder corresponding to the data in the position which is collected by the second imaging system is roughly L/D. The present disclosure can achieve alignment of the DR data image and the CT data image in a simple manner.

摘要翻译： 本公开公开了一种扫描成像系统，包括运送装置，第一成像系统和第二成像系统。 来自第一成像系统的第一射线发生器的射线束与沿着运送方向的第二成像系统的第二射线发生器的射线束之间的距离大致为L.控制器被配置为基于计数值 编码计数器模块的数据之间的对应关系，由第一成像系统收集的运送方向上的被检查物体的位置数据与被检查物体在运送方向的位置上的数据之间的对应关系， 系统，其中对应于由第一成像系统收集的位置中的数据的编码器的计数值与对应于由第二成像系统收集的位置中的数据的编码器的计数值之间的差是 大致L / D。 本公开可以以简单的方式实现DR数据图像和CT数据图像的对准。