Patents by Inventor Shangmin Sun
Shangmin Sun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20090065698Abstract: A radiation inspection system is disclosed. The radiation inspection system comprises: an inspection passage through which a moving object under inspection can pass, a radiation source disposed on a side of the inspection passage for emitting radiation, an array of detectors disposed on the other side of the inspection passage opposite to the radiation source for receiving the radiation emitted from the radiation source, a detector for detecting the moving object, and a controller for receiving a signal from the detector and controlling the radiation source to emit radiation when the detector detects the moving object for radiation imaging and inspection of the moving object. According to the radiation inspection system, the controller can control the radiation source to automatically emit radiation beam based on the detection signal from the detector for inspecting the moving object. As a result, inspection efficiency is improved, safety is increased, and misoperation of the radiation source is eliminated.Type: ApplicationFiled: December 22, 2006Publication date: March 12, 2009Inventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Patent number: 7497618Abstract: A mobile vehicle inspection system includes a moving device; a driving device for driving the moving device to move during scanning inspection; a radiation source disposed on the moving device for emitting a ray; a rotary table pivotally disposed on the moving device; an upright post installed on the rotary table at a lower end of the upright post; transverse detector beam having an end connected with an upper end of the upright post; the upright detector beam having an upper end connected with the other end of the transverse detector beam, and extending downwards from the other end of the transverse detector beam so that the upright post, the transverse detector beam and the upright detector beam constitute a frame of a substantial inverted “U” shape, a ray emitted from the radiation source so as to inspect a vehicle to be inspected which passes through the inverted-“U”-shaped frame.Type: GrantFiled: October 12, 2007Date of Patent: March 3, 2009Assignees: Tsinghua University, Nuctech Company LimitedInventors: Zhiqiang Chen, Kejun Kang, Haifeng Hu, Yuanjing Li, Hua Peng, Chuanxiang Tang, Shangmin Sun, Yinong Liu, Jianmin Li, Junli Li, Li Zhang, Yaohong Liu, Nan Jiang, Zhongrong Yang, Tao Wang
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Patent number: 7492861Abstract: An apparatus for quick imaging and inspecting a moving target, including a passage for the moving target passing therethrough, a scanning and imaging device irradiating a radiation beam to the moving target passing through the passage to form an image thereof for inspection, a first determination unit for determining whether the moving target has entered the passage and for counting the moving target entering the passage, a second determination unit for determining the moving speed of the moving target in the passage; and a control unit for controlling the second determination unit to determine the moving speed of the moving target based on the detection signal from the first determination unit indicating the moving target having entered the passage, and for controlling the scanning and imaging device to irradiate a radiation beam for the inspection of the moving target with a frequency corresponding to the moving speed of the moving target based on the determination result of the second determination unit.Type: GrantFiled: December 20, 2006Date of Patent: February 17, 2009Assignees: Tsinghua University, Nuctech Company LimitedInventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Patent number: 7475866Abstract: The present invention discloses a pulling device for a container inspection system including a pulling vehicle (1) arranged inside an inspection passage, a winch (5) and wire tension mechanisms (6,6?). Front and rear ends of the pulling vehicle are connected to a wire rope so as to drive the pulling vehicle to move back and forth inside the inspection passage. The wire rope connected to front and rear ends of the pulling vehicle is wound around a wire tension mechanism arranged at front and rear ends of the inspection passage and is turned around by a swerving pulley (2) which is positioned at the same horizontal plane as that of the wire rope, the pulling vehicle, and the wire tension mechanisms, then the wire rope passes through the vertical pulley block, and finally it is connected to a single winding drum (4) of the winch (5) and wound around the single winding drum (4) respectively.Type: GrantFiled: November 22, 2005Date of Patent: January 13, 2009Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Bin Hu, Shangmin Sun, Guang Yang, Yucheng Wu, Zhongrong Yang, Nan Jiang, Wanquan Shen, Jianjun Su
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Publication number: 20090010387Abstract: The present invention discloses an radiation imaging system, comprising: an accelerator for generating rays which penetrate through the objects to be inspected and an synchronous signal; a detector with a plurality of detecting modules, adapted for detecting rays; a signal processor for generating a selection signal according to the synchronous signal, so as to select a detecting module for detecting the rays; a data converter for converting the signal detected by said detecting module into digital data, and then buffering the digital data in said signal processor; and a communication controller connected to an image processor, adapted for transmitting the digital data buffered in said signal processor to said image processor. The system according to the present invention allows high-speed and stable data acquisition and data conversion and accurate and reliable data transmission, when the data amount is significant.Type: ApplicationFiled: July 1, 2008Publication date: January 8, 2009Inventors: Kejun Kang, Zhiqiang Chen, Yuanjing Li, Liming Wang, Yinong Liu, Shangmin Sun, Li Zhang, Yaohong Liu, Guang Yang, Qingjun Zhang, Wenguo Liu, Siyuan Liang, Zhenbin Guo, Bin Hu, Yanli Deng, Yucheng Wu
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Publication number: 20080235886Abstract: Disclosed is a ramp-platform device for an on-board relocatable small vehicle inspection system. The ramp-platform device includes a connection frame having a rectangular shape and defining therein an inner space, first and second intermediate parts which are disposed in parallel with each other and at two opposite sides of the connection frame, first to fourth ramp parts having a substantially triangle shaped longitudinal section. The first and second ramp parts are removably connected to the two opposite ends of the first intermediate part separately, and the third and fourth ramp parts are removably connected to the two opposite ends of the second intermediate part separately. The height of a top end of the first to the fourth ramp parts is substantially equal to the height of the first and second intermediate parts.Type: ApplicationFiled: October 11, 2007Publication date: October 2, 2008Inventors: Zhongrong Yang, Hui Meng, Nan Jiang, Shangmin Sun
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Publication number: 20080197279Abstract: Disclosed is an inspection system for inspecting a cargo by using radiation, comprising: a main plate conveyor; a radiation scanning unit that spans said main plate conveyor and is provided above said main plate conveyor, for scanning the cargo provided on the main plate conveyor; auxiliary conveyors that are provided at the front end and rear end of said main plate conveyor, respectively, so as to load the cargo to be inspected onto said main plate conveyor and to unload the inspected cargo from said main plate conveyor; and lifting devices for lifting said auxiliary conveyors. The inspection system according to the present invention occupies less area, has simple corollary equipments, a lower operating cost, and excellent compatibility, and can be widely applied.Type: ApplicationFiled: January 8, 2007Publication date: August 21, 2008Inventors: Kejun Kang, Halfeng Hu, Zhiqiang Chen, Shangmin Sun, Guang Yang, Fengjun Zhang, Yong Bi, Yucheng Wu, Jianjun Li, Rongxuan Liu
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Publication number: 20080197293Abstract: The present invention discloses direction correcting apparatus and method thereof for a movable radiation inspecting system having a moving device. The direction correcting apparatus comprises: a direction detecting device for detecting a moving direction of the moving device and generating a detecting signal indicating the moving direction; a direction control device for controlling the moving direction of the moving device; and a control unit for calculating a deviation value between the moving direction and the predetermined direction based on the detected signal received from the direction detecting device, and the direction control device is driven according to the deviation value to correct the moving direction to the predetermined direction.Type: ApplicationFiled: February 13, 2008Publication date: August 21, 2008Applicants: NUCTECH COMPANY LIMITED, TSINGHUA UNIVERSITYInventors: Xining Xu, Shangmin Sun, Zhongrong Yang, Hua Peng, Guang Yang, Haifeng Hu, Zhijun Li
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Publication number: 20080165932Abstract: The present invention provides a vehicle-carried radiation inspection system having a simple structure with advantages of convenient operation, little scanning blind area and reliable safety performance. The system comprises a loading vehicle, a lifting device mounted to the loading vehicle and a radiation scanning inspection means fixedly mounted to the lifting device so as to ascend/descend together with the lifting device. The lifting device is configured to enable the lifting device and the radiation scanning inspection means as a whole to be apart from the ground by a predetermined safety distance when the loading vehicle is moving, and to enable the minimum distance therebetween during inspection to be less than the predetermined safety distance. According to the invention, the radiation scanning inspection means may be switched between higher and lower positions as required with the ascending/descending of its combination with the lifting device.Type: ApplicationFiled: December 19, 2007Publication date: July 10, 2008Applicants: NUCTECH COMPANY LIMITED, TSINGHUA UNIVERSITYInventors: Hui Meng, Quanwei Song, Nan Jiang, Shangmin Sun, Chengxin Cao, Jinning Liang, Bin Hu, Yaohong Liu
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Publication number: 20080159840Abstract: The present invention relates to a trailer system, and particularly to a self-driving trailer system for a radiation imaging inspection system and a method for inspecting a vehicle by radiation imaging of a vehicle through the trailer system. The self-driving trailer system comprises two trailers symmetrical in structure. Each of the trailers comprises a driving device, running wheels, a trailer body, a carrying device, a lift cylinder, a balance wheel, and two pairs of guide wheels. The driving device, the running wheels, and the balance wheel are coupled with the trailer body. The carrying device is coupled with the trailer body through the lift cylinder. A front carrying arm and a rear carrying arm can clamp front wheels of a vehicle under inspection, and move upwards and downwards by the lift cylinder.Type: ApplicationFiled: December 28, 2007Publication date: July 3, 2008Inventors: Bin Hu, Wanquan Shen, Zhizhong Liang, Hua Peng, Shangmin Sun, Nan Jiang, Quanwei Song, Weirong Huang, Zhenbin Guo, Sheng Tang, Guang Yang
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Publication number: 20080156992Abstract: The present invention discloses a mobile cantilever door-type container inspection system, in the art of radiation scanning imaging inspection technology. The system according to the present invention comprises a moveable scanning apparatus formed by a scanning frame and a remote control device, wherein the scanning frame comprises a radiation source and some detectors, wherein the radiation source or an apparatus cabin wherein the radiation source is disposed is connected with an L-shaped cantilever structure to form a door-type scanning frame, wherein beneath the radiation source or the apparatus cabin wherein the radiation source is disposed are provided with rollers that can reciprocatingly move on rails and are controlled by drive means. The detectors are disposed in a cross beam and a vertical beam of the cantilever structure of the door-type scanning frame. Rays of the radiation source are right in alignment with rows of detectors in the cantilever structure.Type: ApplicationFiled: March 12, 2008Publication date: July 3, 2008Applicants: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITEDInventors: Kejun Kang, Zhiqiang Chen, Qitian Miao, Yuanjing Li, Nan Jiang, Hua Peng, Xuewu Wang, Jinning Liang, Shangmin Sun, Zhizhong Liang, Quanwei Song, Yucheng Wu, Yanjun Han, Guang Yang, Bin Hu, Jingyu Gu
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Patent number: 7386092Abstract: A containers/vehicles inspection system with adjustable radiation X-ray angle relates to the technical field of radiation inspection. The present invention comprises a detector arm rack equipped with detectors, a second collimator, a pulling device, and an accelerator rack with the accelerator. X-ray produced by the accelerator is right opposite to the calibrator, the first collimator and the second collimator all of which are arranged in order, wherein, said accelerator rack is further composed of a horizontal regulation mechanism for moving the base forward and afterward horizontally, a vertical regulation mechanism for moving the bending framework up and down vertically, a rotary regulation mechanism for rotating the cantilever, a pitching regulation mechanism for driving the accelerator to make pinching movement, as well as a framework formed by a base, a vertical arm, a bending framework and a cantilever.Type: GrantFiled: September 22, 2004Date of Patent: June 10, 2008Assignees: Tsinghua University, Nuctech Company LimitedInventors: Kejun Kang, Jianmin Li, Zhiqiang Chen, Shangmin Sun, Yucheng Wu, Wanquan Shen, Hongliang Yang, Jianxin Wang
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Publication number: 20080089469Abstract: A mobile vehicle inspection system includes a moving device; a driving device for driving the moving device to move during scanning inspection; a radiation source disposed on the moving device for emitting a ray; a rotary table pivotally disposed on the moving device; an upright post installed on the rotary table at a lower end of the upright post; traverse detector beam having an end connected with an upper end of the upright post; the upright detector beam having an upper end connected with the other end of the traverse detector beam, and extending downwards from the other end of the traverse detector beam so that the upright post, the traverse detector beam and the upright detector beam constitute a frame of a substantial inverted “U” shape, a ray emitted from the radiation source so as to inspect a vehicle to be inspected which passes through the inverted-“U”-shaped frame.Type: ApplicationFiled: October 12, 2007Publication date: April 17, 2008Applicants: Tsinghua University, Nuctech Company LimitedInventors: Zhiqiang Chen, Kejun Kang, Haifeng Hu, Yuanjing Li, Hua Peng, Chuanxiang Tang, Shangmin Sun, Yinong Liu, Jianmin Li, Junli Li, Li Zhang, Yaohong Liu, Nan Jiang, Zhongrong Yang, Tao Wang
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Publication number: 20080089476Abstract: An apparatus for quick imaging and inspecting a moving target, including a passage for the moving target passing therethrough, a scanning and imaging device irradiating a radiation beam to the moving target passing through the passage to form an image thereof for inspection, a first determination unit for determining whether the moving target has entered the passage and for counting the moving target entering the passage, a second determination unit for determining the moving speed of the moving target in the passage; and a control unit for controlling the second determination unit to determine the moving speed of the moving target based on the detection signal from the first determination unit indicating the moving target having entered the passage, and for controlling the scanning and imaging device to irradiate a radiation beam for the inspection of the moving target with a frequency corresponding to the moving speed of the moving target based on the determination result of the second determination unit.Type: ApplicationFiled: December 20, 2006Publication date: April 17, 2008Inventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Patent number: 7352843Abstract: A combined mobile container inspection system, comprising: a radiation source; a chassis; a rotatable deck provided at an end of the upper surface of said chassis and rotatable with respect to said chassis, provided with a parallelogram bracket formed by a hingedly-connected four-bar linkage mechanism, wherein the cross link of the parallelogram bracket extends to form a horizontal cross arm with detectors, the other end of said horizontal cross arm is connected with a vertical upright arm, which is vertical or parallel to said horizontal cross arm; and a sliding deck provided at the rear end of the rotatable deck and movable upwardly and downwardly, said sliding deck is provided, in turn, with the radiation source, the X-ray therefrom is always right in the face of the detectors provided in the horizontal cross arm and vertical upright arm, calibrator and collimator.Type: GrantFiled: December 2, 2004Date of Patent: April 1, 2008Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Haifeng Hu, Yucheng Wu, Shangmin Sun, Zhiqiang Chen, Guang Yang, Zhengyu Bai, Rongxuan Liu, Hongliang Yang, Jianjun Su, Jiantao Wang, Yanjun Han, Bin Hu, Quanwei Song, Nan Jiang, Hua Peng, Jianmin Li, Wanquan Shen, Zhizhong Liang
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Patent number: 7327830Abstract: A collimation and calibration integrative apparatus for container inspection system includes a collimating block; a calibrating block; a base plate; a motor and a plurality of supporting units fixed on the base plate; a transmission unit coupled to the motor for transmitting movement from the motor to a bearing plate, characterized in that the apparatus further includes: a sliding plate having one end connected to the bearing plate and the other end slidably fitted to guide rails provided on the base plate; a stationary plate fixedly connected to the sliding plate, wherein the collimating block and the calibrating block are provided on the stationary plate to form an integrative structure and an assembly gap is formed between the collimating block and the calibrating block, whereby the collimating block and the calibrating block on the stationary plate are driven by the transmission unit and the bearing plate to be moved integrally.Type: GrantFiled: July 21, 2006Date of Patent: February 5, 2008Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Fengjun Zhang, Shangmin Sun, Junli Li, Yanli Deng, Zhizhong Liang, Yanjun Han, Guibin Lin, Bing Wang
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Patent number: 7302035Abstract: A train inspection system by imaging through radiation, having a scanning arm positioned away from the track and supported on a construction base, and vibration damping elements positioned between the scanning arm and the construction base. The system includes a detector bracket with detector arrays mounted thereon, a radiation source, a calibration device, a front collimator, and a rear collimator. The sector-shaped x-rays emitted from the radiation source penetrate through the calibration device, the front collimator, the rear collimator and the train to be inspected sequentially so as to be received by the detector arrays provided on the detector bracket.Type: GrantFiled: November 23, 2005Date of Patent: November 27, 2007Assignee: Nuctech Company LimitedInventors: Bin Hu, Shangmin Sun, Yucheng Wu, Nan Jiang, Zhizhong Liang, Wanquan Shen, Ning Li
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Publication number: 20070133740Abstract: A containers/vehicles inspection system with adjustable radiation X-ray angle relates to the technical field of radiation inspection. The present invention comprises a detector arm rack equipped with detectors, a second collimator, a pulling device, and an accelerator rack with the accelerator. X-ray produced by the accelerator is right opposite to the calibrator, the first collimator and the second collimator all of which are arranged in order, wherein, said accelerator rack is further composed of a horizontal regulation mechanism for moving the base forward and afterward horizontally, a vertical regulation mechanism for moving the bending framework up and down vertically, a rotary regulation mechanism for rotating the cantilever, a pitching regulation mechanism for driving the accelerator to make pinching movement, as well as a framework formed by a base, a vertical arm, a bending framework and a cantilever.Type: ApplicationFiled: September 22, 2004Publication date: June 14, 2007Inventors: Kejun Kang, Jianmin Li, Zhigiang Chen, Shangmin Sun, Yucheng Wu, Wangun Shen, Hongliang Yang, Jianxin Wang
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Publication number: 20070110215Abstract: A combined mobile container inspection system, comprising: a radiation source; a chassis; a rotatable deck provided at an end of the upper surface of said chassis and rotatable with respect to said chassis, provided with a parallelogram bracket formed by a hingedly-connected four-bar linkage mechanism, wherein the cross link of the parallelogram bracket extends to form a horizontal cross arm with detectors, the other end of said horizontal cross arm is connected with a vertical upright arm, which is vertical or parallel to said horizontal cross arm; and a sliding deck provided at the rear end of the rotatable deck and movable upwardly and downwardly, said sliding deck is provided, in turn, with the radiation source, the X-ray therefrom is always right in the face of the detectors provided in the horizontal cross arm and vertical upright arm, calibrator and collimator.Type: ApplicationFiled: December 2, 2004Publication date: May 17, 2007Applicants: Nuctech Company Limited, Tsinghua UniversityInventors: Haifeng Hu, Yucheng Wu, Shangmin Sun, Zhiqiang Chen, Guang Yang, Zhengyu Bai, Rongxuan Liu, Hongliang Yang, Jianjun Su, Jiantao Wang, Yanjun Han, Bin Hu, Quanwei Song, Nan Jiang, Hua Peng, Jianmin Li, Wanquan Shen, Zhizhong Liang
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Patent number: 7215737Abstract: A double-radiant-source framework used for a radiation detecting system for containers, having a horizontal accelerator, a vertical accelerator and a gantry tower composed of a left vertical girder, a right vertical girder, an upper cross girder, and a lower cross girder. A horizontal collimator and accelerator, and a vertical collimator and accelerator, are fixed on the left vertical girder and the upper cross girder of the gantry tower, respectively, and emit radiation beams as two planes oriented parallel to each other. Detector modules are disposed inside the double-detector arm of the right vertical girder, and inside the upper cross girder and the lower cross girder, respectively, to receive the two emitted planes of radiation beams. The container detecting system can reduce the area covered by the scanning channel of the system, and make the transportation, installation and use convenient, and improve the quality of the detected images.Type: GrantFiled: October 15, 2004Date of Patent: May 8, 2007Assignees: Tsinghua University, Nuctech Company LimitedInventors: Jianmin Li, Zhizhong Liang, Jianjun Su, Shangmin Sun, Qing Zhang, Jing Wan, Jianxin Wang