Nuctech Company Limited

Tsinghua University

Other

Weiqiang Guan

Zhiqiang Chen

Wei Li

Yaohong Liu

Xinshui Yan

Yuanjing Li

Jian Li

Kejun Kang

Jianmin Li

Feng Gao

Chuanxiang Tang

Yulan Li

Li Zhang

Quanwei Song

Hao Yu

Wei Yin

Huaping Tang

Huaibi Chen

Junli Li

Nan Jiang

Chunguang Zong

Yu He

Qitian Miao

Yigang Yang

Dongyu Wang

Dongsheng Zhang

Yanli Deng

Weizhen Wang

Yumei Chen

Huayi Zhang

Guoping Zhu

Ming Huang

Shenjin Ming

Yanfeng Cao

Yuxin Hu

The present disclosure provides a ray calibration device and a working method thereof, and a radiation imaging system and a working method thereof, and belongs to the field of radiation imaging technology. The present disclosure can solve the problems that the existing calibration devices have low calibration efficiency and require relatively large spaces. The ray calibration device of the present disclosure includes a driving part, a cam part and a calibration part, wherein the calibration part is located below the cam part; the driving part is adapted to drive the cam part to rotate; and the cam part is adapted to exert a force on the calibration part to enable the calibration part to move into a ray area downwards.

Ray calibration device and operating method thereof, and radiation imaging system and operating method thereof

The disclosed technology relates to a ray energy calibration device and method, and a ray imaging system. In one aspect, the ray energy calibration device includes a plurality of wheels arranged to be rotatable about a common shaft and each provided with one or more protruding blocks at respective specific positions of an outer circumference thereof. The ray energy calibration device further includes a plurality of calibration members, with each of the calibration members being configured such that through rotation of a corresponding one of the wheels, the calibration member can be moved to a calibration position by the protruding block at a specific position on the outer circumference of the wheel.

Ray energy calibration device, ray energy calibration method and ray imaging system

The disclosure provides a method for measuring X-ray energy of an accelerator in an inspection system. the method comprises: building a database comprising correspondence between half-value layer (HVL) and energy under a predetermined condition; measuring HVL for X-rays of the accelerator in the inspection system on line under the same predetermined condition; and comparing the measured HVL with the HVLs in the database comprising correspondence between HVL and energy to determine the X-ray energy of the accelerator. The method is applicable to a large-scale container/vehicle inspection system for measurement of X-ray energy/HVL of the accelerator so as to acquire source state of the inspection system in real time.

Method for measuring X-ray energy of an accelerator in an inspection system

A mobile electron beam radiation sterilizing apparatus includes a movable chassis vehicle; a cabinet body installed on the chassis vehicle; an electron accelerator, which generates electron beam for articles to be radiation-processed, wherein the electron accelerator is provided in the cabinet body; an accelerator control box, which controls operation of the electron accelerator, a radiation shielding system comprised of: a stationary shielding body covering the electron accelerator; a pair of rotatable shielding doors, through which a passage is formed for an article to be processed to enter or exit, rotatably connected to the stationary shielding body; a motor for switching on and switching off the rotatable shielding doors.

Mobile electron beam radiation sterilizing apparatus

Growing community of inventors

Beijing, China

Weiqiang Guan