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CN-121978136-A - X-ray detection system

CN121978136ACN 121978136 ACN121978136 ACN 121978136ACN-121978136-A

Abstract

The invention discloses an X-ray detection system which comprises a fixed plate and a rotary table which are provided with through holes, a translation component capable of translating along an X axis and a Y axis, a rotation component connected with the rotary table in a driving way, a sample bin connected with the translation component, an X-ray component and an intelligent control module connected with the rotary table, an X-ray source, an automatic filter adjusting component connected with the X-ray source, a flat panel detector and a shaking component connected with the flat panel detector. The sample cabin is driven to translate along the X axis and the Y axis by the translation component, when the size difference of the sample is large, the sample can be quickly adjusted to the center of the through hole, so that the rapid and flexible adjustment of the sample position is realized, the flat panel detector is driven to translate reciprocally by the shaking component, so that the image artifact during imaging is eliminated, the diagnosis accuracy is improved, and the filter can be automatically adjusted by the filter automatic adjustment component matched with the intelligent control module, so that the filter parameters are adjusted, and the purposes of denoising, attenuating interference or enhancing a target signal are achieved.

Inventors

  • WEI YONG
  • Yang Shidai
  • ZHANG ZONG
  • CHEN DONGDONG
  • ZHANG XING
  • LI CE

Assignees

  • 天津三英精密仪器股份有限公司

Dates

Publication Date
20260505
Application Date
20260113

Claims (10)

  1. 1. An X-ray detection system, comprising: The fixing assembly comprises a fixing plate (4), and a first through hole is formed in the center of the fixing plate (4); The rotating assembly (7) is connected to one side of the fixed plate (4), the rotating assembly (7) comprises a rotary table (5) connected with the fixed plate (4) in a concentric rotation manner, and a rotating driving piece connected between the fixed plate (4) and the rotary table (5), the rotating driving piece is suitable for driving the rotary table (5) to rotate, and a second through hole concentric with the first through hole is formed in the center of the rotary table (5); the translation assembly (6) is positioned on the other side of the fixed plate (4) and comprises an X-axis translation assembly (22) and a Y-axis translation assembly (23) connected with the X-axis translation assembly (22), and the X-axis translation assembly (22) is suitable for driving the Y-axis translation assembly (23) to move along the X-axis; -a sample compartment (24) connected to said Y-axis translation assembly (23) and passing through said first and second through-holes, said Y-axis translation assembly (23) being adapted to drive said sample compartment (24) to move along the Y-axis; The X-ray assembly is connected to one side, far away from the fixed plate (4), of the turntable (5) through a Z-axis driving assembly and comprises a movable platform (27) connected to the driving end of the Z-axis driving assembly, an X-ray source (17) and a flat panel detector (18) which are respectively connected to the two opposite ends of the movable platform (27) along the Z axis, a filter automatic adjusting assembly connected to the X-ray source (17) and a shaking assembly connected to the flat panel detector (18), the X-ray source (17) and the flat panel detector (18) are respectively positioned on the two opposite sides of the second through hole, and the shaking assembly is suitable for driving the flat panel detector (18) to reciprocate along the X axis; the intelligent control module (3) is electrically connected with the rotating assembly (7), the translation assembly (6) and the X-ray assembly.
  2. 2. The X-ray detection system according to claim 1, wherein the filter automatic adjustment assembly comprises an X-axis adjustment assembly (29) connected to a filter support (25) of the X-axis adjustment assembly (29), a plurality of filter stations (21) are arranged on the filter support (25), filter plates are detachably mounted on the filter stations (21), and the X-axis adjustment assembly (29) is adapted to drive the filter support (25) to translate along the X-axis relative to the X-ray source (17).
  3. 3. The X-ray detection system according to claim 1, wherein the X-ray source (17) is disposed on an inner wall at one end of the moving platform (27), the flat panel detector (18) is disposed on an inner wall at the other end of the moving platform (27), the X-ray source (17) is adapted to emit X-rays toward the flat panel detector (18), the shaking assembly comprises a Y-axis driver (30) and a shaking shaft (19) connected to a driving end of the Y-axis driver (30), the flat panel detector (18) is connected to the shaking shaft (19), and the Y-axis driver (30) is adapted to drive the shaking shaft (19) to move along the Y-axis.
  4. 4. The X-ray detection system according to claim 1, wherein the rotary driving member is disposed between the fixed plate (4) and the turntable (5), and comprises a rotary driver fixedly mounted on the fixed plate (4), a driving gear (13) fixedly mounted on the periphery of the first through hole on the fixed plate (4), and a driven gear fixedly mounted on the periphery of the second through hole on the turntable (5), wherein the driving gear (13) is connected to a driving shaft of the rotary driver, the driving gear (13) is meshed with the driven gear, and the rotary driver is electrically connected with the intelligent control module (3).
  5. 5. The X-ray detection system according to claim 4, wherein a rotating bearing (14) is disposed on the inner wall of the first through hole, the driven gear is fixedly connected to the rotating bearing (14), a plurality of locking adjusting assemblies (15) distributed along the circumferential direction of the bearing seat of the rotating bearing (14) are disposed on the bearing seat of the rotating bearing (14), and the locking adjusting assemblies (15) are electrically connected with the intelligent control module (3).
  6. 6. The X-ray detection system according to claim 5, wherein a fixed inner ring (10) located at the periphery of the first through hole is fixed on one side of the fixed plate (4) away from the turntable (5), a rotary drag chain (8) is mounted on the fixed inner ring (10), a rotary inner ring (9) is connected to one side of the rotary drag chain (8) close to the first through hole, a fixed outer ring (11) fixed on the fixed plate (4) is arranged on one side of the rotary drag chain (8) away from the first through hole, a rotary outer ring (12) connected to the rotary inner ring (9) is arranged on one side of the rotary drag chain (8) away from the fixed plate (4), and the rotary inner ring (9) is fixedly connected to the rotary bearing (14).
  7. 7. The X-ray detection system according to claim 1, wherein the X-axis translation assembly (22) is a screw linear driver, the Y-axis translation assembly (23) comprises a moving plate connected to the screw linear driver and a lifting driver connected to the moving plate, and the sample chamber (24) has one end connected to the driving end of the lifting driver and the other end facing the fixed plate (4) and the turntable (5) and passing through the first through hole and the second through hole.
  8. 8. The X-ray detection system according to claim 1, characterized in that the sample compartment (24) is a carbon fiber sample compartment (24), the maximum carrying weight of the carbon fiber sample compartment (24) being 3kg.
  9. 9. The X-ray detection system according to claim 1, wherein the Z-axis drive assembly is a Z-axis drive (28) fixed to a side of the turntable (5) remote from the stationary plate (4), and the movable stage (27) is connected to a drive rod of the Z-axis drive (28) via a movable shaft (16).
  10. 10. The X-ray detection system according to claim 1, further comprising a main body protecting shell (1) covering the outer circumferences of the fixed component and the rotating component (7) and a moving structure protecting shell covering the outer circumference of the translating component (6), wherein one end of the moving structure protecting shell can penetrate through the first through hole and the second through hole, and the moving structure protecting shell is suitable for translating along the X-axis direction.

Description

X-ray detection system Technical Field The invention relates to the technical field of imaging detection, in particular to an X-ray detection system. Background The X-ray detection system has realized ‌ high-resolution, low-dose, multi-mode ‌ living body and in-vitro imaging in animal research, and is widely applied to the fields of orthopaedics, tumor, metabolic diseases, drug development and the like. The existing X-ray detection system for detecting living bodies or in-vitro tissues of small animals is not provided with a filter automatic adjusting device, and signal noise point interference is high. The existing X-ray detection system for detecting living bodies or in-vitro tissues of small animals does not have a detector shaking shaft, and image artifacts caused by inconsistent X-ray responses of various pixels of the detector to different energies are easy to occur. The existing X-ray detection system for detecting living bodies or in-vitro tissues of small animals does not have the function of adjusting samples in the height direction, and when the size difference of the samples is large, the samples cannot be quickly adjusted to the rotation center. Disclosure of Invention Therefore, the invention aims to solve the problem that the X-ray detection system for detecting living bodies or in-vitro tissues of small animals in the prior art cannot flexibly adjust the position of a sample, and provides the X-ray detection system. In order to solve the technical problems, the technical scheme of the invention is as follows: An X-ray detection system comprising: the fixing assembly comprises a fixing plate, and a first through hole is formed in the center of the fixing plate; the rotary assembly is connected to one side of the fixed plate and comprises a rotary table and a rotary driving piece, the rotary table is connected with the fixed plate in a concentric rotation mode, the rotary driving piece is connected between the fixed plate and the rotary table and is suitable for driving the rotary table to rotate, and a second through hole is formed in the center of the rotary table and concentric with the first through hole; the translation assembly is positioned on the other side of the fixed plate and comprises an X-axis translation assembly and a Y-axis translation assembly connected with the X-axis translation assembly, and the X-axis translation assembly is suitable for driving the Y-axis translation assembly to move along the X axis; the sample cabin is connected with the Y-axis translation assembly, penetrates through the first through hole and the second through hole, and is suitable for driving the sample cabin to move along the Y axis; the X-ray assembly is connected to one side of the turntable far away from the fixed plate through the Z-axis driving assembly and comprises a moving platform connected to the driving end of the Z-axis driving assembly, an X-ray source and a flat panel detector which are respectively connected to the two opposite ends of the moving platform along the Z axis, a filter automatic adjusting assembly connected to the X-ray source, and a shaking assembly connected to the flat panel detector, wherein the X-ray source and the flat panel detector are respectively positioned at the two opposite sides of the second through hole, and the shaking assembly is suitable for driving the flat panel detector to reciprocate along the X axis; and the intelligent control module is electrically connected with the rotating assembly, the translation assembly and the X-ray assembly. Further, the filter automatic regulating assembly comprises an X-axis regulating assembly and a filter support connected to the X-axis regulating assembly, a plurality of filter stations are arranged on the filter support, filter plates are detachably arranged on the filter stations, and the X-axis regulating assembly is suitable for driving the filter support to translate along an X-axis relative to the X-ray source. Further, the X-ray source is arranged on the inner wall at one end of the movable platform, the flat panel detector is arranged on the inner wall at the other end of the movable platform, the X-ray source is suitable for emitting X-rays towards the flat panel detector, the shaking assembly comprises a Y-axis driver and a shaking shaft connected to the driving end of the Y-axis driver, the flat panel detector is connected to the shaking shaft, and the Y-axis driver is suitable for driving the shaking shaft to move along the Y-axis. Further, the rotary driving piece is arranged between the fixed plate and the rotary table and comprises a rotary driver fixedly arranged on the fixed plate, a driving gear fixedly arranged on the periphery of the first through hole on the fixed plate and a driven gear fixedly arranged on the periphery of the second through hole on the rotary table, the driving gear is connected to a driving shaft of the rotary driver, the driving gear is meshed with the driven gear, and the