Dual-energy CT detector and CT detection system

• Main Authors: LI BAOLEI, WEI ZENGHUI, XU YUANFEI, MO YANG, LI HUAYU, WEN ZIKUAN, WU KAI, SI CHANGNAN, LIU NIAN, DING JIE, SUN CUILI, ZHAO LEI, LIU YU
• Format: Patent
• Language: Chinese; English
• Published: 05.11.2021
• Subjects: DETECTING MASSES OR OBJECTS; GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a dual-energy CT (Computed Tomography) detector and a CT detection system, relates to the technical field of CT detection, and is used for solving the problems that a CT detection device in the prior art is high in cost and is not favorable for popularization and application of equipment, and the imaging precision cannot be ensured when the cost is reduced. The dual-energy CT detector comprises a detector array and a ray filtering unit, the ray filtering unit covers part of the detector array; a ray photon signal sequentially passes through the ray filtering unit and the detector array at the covering part of the ray filtering unit; and the ray filtering unit is used for removing low-energy rays in the ray photon signals. According to the technical scheme provided by the utility model, the imaging precision can be ensured while the cost is reduced. 本实用新型公开了一种双能CT探测器和CT检测系统，涉及CT检测技术领域，用以解决现有技术中CT探测装置成本高、不利于设备的推广应用，降低成本不能保证成像精度等问题。双能CT探测器包括：探测器阵列和射线过滤单元；所述射线过滤单元覆盖部分所述探测器阵列；在射线过滤单元覆盖部