Test tool for X-ray source
By designing a combination of adjustment device, acquisition device and controller, the automatic calibration and compatibility issues of existing X-ray source testing fixtures were solved, enabling accurate testing and safe operation of multiple types of X-ray sources.
Patent Information
- Application Number
- CN202422901114.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Most existing X-ray source testing fixtures are enclosed spaces, cannot be automatically calibrated, have complex X-ray source transportation, and are incompatible with the performance testing of different models.
A test fixture including an adjustment device, a data acquisition device, and a controller was designed. It adopts a six-way adjustment mechanism and a clamping mechanism, combined with a shielding box, to achieve precise position adjustment of the X-ray source and shielding of ionizing radiation. It is equipped with host computer software for automatic control and data processing.
It enables flexible testing of different types of X-ray sources, improves testing accuracy and safety, simplifies the operation process, and is suitable for performance testing of various X-ray source models.
Smart Images
Figure CN223526511U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of X-ray source testing device, in particular to a testing tool for X-ray source. BACKGROUND
[0002] The existing X-ray source testing tool mostly belongs to a closed space, the X-ray source needs to work for a long time, the device for fixing and installing the X-ray source cannot be automatically calibrated, the X-ray source is complex to transport, and the X-ray source performance test cannot be compatible with different models. CONTENT OF THE UTILITY MODEL
[0003] In order to overcome the problems in the prior art, the present application provides a testing tool for X-ray source.
[0004] The testing tool for X-ray source provided by the present application adopts the following technical scheme:
[0005] The testing tool for X-ray source comprises an adjusting device, the adjusting device comprises a testing platform and an adjusting platform installed on the testing platform, an X-ray source to be tested is installed on the adjusting platform, wherein the bottom of the adjusting platform is slidingly installed on a guide rail on the surface of the testing platform, the guide rail is distributed along the length direction of the testing platform, and one side of the testing platform is further provided with a shielding box body covering the X-ray source, a shielding door is installed at the entrance of the shielding box body; a collecting device, the collecting device comprises an angle collector installed on the top of the shielding box body and a collimator at the exit of the X-ray source, the bottom of the angle collector is in communication with the inside of the shielding box body, the angle collector adopts an arc structure with the X-ray source as the center, a plurality of detectors are arrayed on the inner side surface of the angle collector, and a shielding box is installed on the angle collector; and a controller, the controller is internally installed with upper computer software, and the upper computer software is signal connected with the adjusting device, the collecting device and the X-ray source.
[0006] By adopting the above technical solution, the adjustment platform installed on the test platform in the adjustment device is used to install the X-ray source. The adjustment platform loads the X-ray source from the side without the shielding box. After loading, the adjustment platform is moved on the guide rail to move the X-ray source into the shielding box, and the shielding door at the entrance of the shielding box is closed. The voltage and current of the X-ray source are adjusted by the host computer software in the controller, and the position of the adjustment platform is adjusted to adjust the X-ray source to the position corresponding to the acquisition device. The X-rays emitted by the X-ray source enter the angle acquisition device through the collimator. Detectors are arranged at different positions along a certain angular interval inside the angle acquisition device, which can accurately measure the dose distribution of X-rays in various directions. It is suitable for X-ray emission dose of different models of X-ray sources under different voltages and currents. The angle acquisition device also amplifies the signal output by the detector through a preamplifier, converts it into a digital signal through an analog-to-digital converter, and then acquires it through a data acquisition card. Finally, it is transmitted to the controller for processing and analysis. The acquisition device is located in the shielding box at the top of the shielding box, which can shield the ionizing radiation during the process of X-ray emission from the X-ray source and acquisition of X-rays by the acquisition device, so as to avoid affecting the health of the operators.
[0007] Preferably, the adjustment platform adopts a six-way adjustment mechanism, including a first adjustment seat at the bottom, the bottom of the first adjustment seat being slidably connected to the guide rail, the track at the top of the first adjustment seat being perpendicular to the guide rail, and the slide groove at the top of the second adjustment seat sliding on the track. A first rotating shaft seat perpendicular to the track is installed at the center of the top of the second adjustment seat, and a first rotating shaft rotatably connected to the first rotating shaft seat is installed at the bottom of the third adjustment seat. A second rotating shaft seat perpendicular to the first rotating shaft seat is installed at the top of the third adjustment seat, and a second rotating shaft connected to the rotating shaft of the second rotating shaft seat is installed at the bottom of the fourth adjustment seat.
[0008] Both the first and second adjustment seats are driven by lead screws, and both have threaded sleeves fixedly installed at their bottoms. They are driven by the lead screws and threaded sleeves at the motor output ends, respectively.
[0009] The bottom of the third and fourth adjustment seats are equipped with lifting cylinders located on both sides of the first and second rotating shafts, respectively, and the X-ray source is fixedly installed on the top of the fourth adjustment seat.
[0010] By adopting the technical scheme, the adjusting platform can adjust the position of the X-ray source mounted thereon by using a six-way adjusting mechanism. The first adjusting seat at the bottom can be driven by the motor to drive the first adjusting seat to move along the length direction of the test platform by cooperation of the screw rod at the output end of the motor and the sleeve at the bottom of the first adjusting seat. The second adjusting seat can also be driven by the motor to move along the width direction of the test platform on the track at the top of the first adjusting seat, so as to adjust the position of the X-ray source in the front, back, left and right directions by the first adjusting seat and the second adjusting seat. The first rotating shaft seat at the top center of the second adjusting seat is rotatably connected with the first rotating shaft at the bottom of the third adjusting seat, and the inclination angle of the X-ray source in the length direction of the test platform is adjusted by the lifting cylinders at the two ends of the bottom of the third adjusting seat. Similarly, the second rotating shaft seat at the top of the third adjusting seat is rotatably connected with the rotating shaft at the bottom of the fourth adjusting seat, and the inclination angle of the X-ray source in the width direction of the test platform is adjusted by the lifting cylinders at the two ends of the bottom of the fourth adjusting seat.
[0011] Preferably, the four sides of the collimator are connected with the X-ray source by clamping mechanisms, the clamping mechanisms include four groups of mounting plates distributed around the collimator, and the mounting plates are provided with adjusting screws screwed with the mounting plates, and the inner sides of the adjusting screws are rotatably connected with clamping plates.
[0012] The clamping plate includes two groups of rotatably connected plate bodies, the back surfaces of the plate bodies are connected by telescopic cylinders, and the ends of the telescopic cylinders are rotatably connected with connecting sleeve plates which are slidably sleeved on the adjusting screws.
[0013] By adopting the technical scheme, the clamping mechanisms arranged around the collimator clamp the X-ray source from the four sides thereof. Each side clamps the X-ray source by penetrating the adjusting screw on the mounting plate and clamping the X-ray source by the clamping plate rotatably mounted on the adjusting screw. The clamping plate includes two groups of rotatably connected plate bodies and adjusts the included angle between the plate bodies by the telescopic cylinders at the back surfaces. The other ends of the telescopic cylinders are rotatably connected with the connecting sleeve plates at the two ends, which can meet the clamping requirements of X-ray sources with different external shapes, ensure that the collimator can be stably mounted on the X-ray source, and ensure that the collimator can stably guide the X-ray to the detector on the angle collector when the X-ray source is adjusted. The surface of the detector can also be provided with an imaging detector to identify the shape of the X-ray passing through the collimator on the detector to test the actual emission angle of the X-ray source.
[0014] Preferably, the side surface and the back surface of the shielding box body are respectively provided with adjusting windows.
[0015] By adopting the technical scheme, the adjusting windows mounted on the side surface and the back surface of the shielding box body can observe and adjust the adjusting device and the X-ray source in the shielding box after the shielding door is closed, and the accuracy of the X-ray source test is ensured.
[0016] Preferably, the controller is installed on the side of the shielding box, and a display is installed on the controller.
[0017] By adopting the technical scheme, the controller is controlled by the upper computer software, the test data is automatically saved after the test is completed, a test report is generated, and the display is used for display, so that whether the emission dose and angle of the ray source meet the design requirements can be determined conveniently.
[0018] To sum up, the present application has at least one of the following beneficial technical effects:
[0019] The X-ray source test tool can test the emission dose and angle of the X-ray source, has good flexibility, has a large coverage range, can be applied to various types of ray sources, is simple and fast to operate for an operator during X-ray source production, can better provide a good performance test environment for different types of X-ray sources, and has very good shielding effect of X-rays. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a schematic structural view of an X-ray source test tool;
[0021] Figure 2 is Figure 1 is an enlarged view of a clamping mechanism;
[0022] Figure 3 is a schematic structural view of an X-ray source test tool without a shielding box and a shielding box;
[0023] Figure 4 is Figure 3 is an enlarged view of an adjusting platform.
[0024] BRIEF DESCRIPTION OF DRAWINGS 1. adjusting device; 11. test platform; 111. guide rail; 12. adjusting platform; 121. first adjusting seat; 1211. track; 122. second adjusting seat; 1221. sliding groove; 1222. first pivot seat; 123. third adjusting seat; 1231. first pivot; 1232. second pivot seat; 124. fourth adjusting seat; 1241. second pivot; 125. screw rod; 126. screw sleeve; 127. motor; 128. lifting cylinder; 13. X-ray source; 14. shielding box; 141. shielding door; 142. adjusting window; 2. acquisition device; 21. angle collector; 211. detector; 212. shielding box; 22. collimator; 3. controller; 31. display; 4. clamping mechanism; 41. mounting plate; 42. adjusting screw; 43. clamping plate; 431. plate body; 432. telescopic cylinder; 433. connecting sleeve plate. DETAILED DESCRIPTION
[0025] The present application will be described in detail below with reference to the accompanying drawings. Figures 1-4 The present application will be described in detail below with reference to the accompanying drawings.
[0026] The embodiment of the present application discloses a test tool of an X-ray source.
[0027] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a test tool of an X-ray source comprises an adjusting device 1, the adjusting device 1 comprises a test platform 11 and an adjusting platform 12 installed on the test platform 11, and an X-ray source 13 to be tested is installed on the adjusting platform 12, wherein the bottom of the adjusting platform 12 is slidingly installed on guide rails 111 on the surface of the test platform 11, the guide rails 111 are distributed along the length direction of the test platform 11, and one side of the test platform 11 is further provided with a shielding box 14 covering the X-ray source 13, and a shielding door 141 is installed at the entrance of the shielding box 14; a collection device 2 comprises an angle collector 21 installed on the top of the shielding box 14 and a collimator 22 at the exit of the X-ray source 13, the bottom of the angle collector 21 is in communication with the inside of the shielding box 14, the angle collector 21 adopts an arc structure with the X-ray source 13 as the center, a plurality of detectors 211 are arrayed on the inner side of the angle collector 21, and a shielding box 212 is installed on the angle collector 21; a controller 3 is internally provided with upper computer software, and the upper computer software is in signal connection with the adjusting device 1, the collection device 2 and the X-ray source 13. The adjusting platform 12 installed on the test platform 11 in the adjusting device 1 is used for installing the X-ray source 13, the adjusting platform 12 loads the X-ray source 13 from the side without the shielding box 14, the adjusting platform 12 is moved on the guide rails 111 after loading is completed, the X-ray source 13 is moved into the shielding box 14, the shielding door 141 at the entrance of the shielding box 14 is closed, the voltage and current of the X-ray source 13 are adjusted by the upper computer software in the controller 3, the position of the adjusting platform 12 is adjusted, the X-ray source 13 is adjusted to the corresponding position of the collection device 2, the X-ray emitted by the X-ray source 13 enters the angle collector 21 through the collimator 22, the detectors 211 are arranged at different positions at certain angle intervals on the inner side of the angle collector 21, the dose distribution of the X-ray in each direction can be accurately measured, the tool is suitable for the X-ray emission dose of different models of the X-ray source 13 under different voltages and currents, the signal output by the detector 211 is amplified by a preamplifier in the angle collector 21, the signal is converted into a digital signal by an analog-to-digital converter, and then collected by a data acquisition card, finally transmitted to the controller 3 for processing and analysis, the shielding box 212 in the shielding box 14 on the top of the collection device can shield the ionizing radiation in the process of emitting the X-ray by the X-ray source 13 and collecting the X-ray by the collection device 2, and the health of the operator is protected.
[0028] With reference to Figure 1 and Figure 2The adjusting platform 12 adopts a six-way adjusting mechanism, which includes a first adjusting base 121 at the bottom, the bottom of the first adjusting base 121 is in sliding connection with the guide rail 111, the rails 1211 at the top of the first adjusting base 121 are distributed vertically with the guide rail 111, and the sliding grooves 1221 at the top of the second adjusting base 122 slide on the rails 1211, the first rotating shaft seat 1222 vertically with the rails 1211 is installed at the center of the top of the second adjusting base 122, the first rotating shaft 1231 in rotating connection with the first rotating shaft seat 1222 is installed at the bottom of the third adjusting base 123, the second rotating shaft seat 1232 vertically with the first rotating shaft seat 1222 is installed at the top of the third adjusting base 123, and the second rotating shaft 1241 in rotating connection with the second rotating shaft seat 1232 is installed at the bottom of the fourth adjusting base 124. The first adjusting base 121 and the second adjusting base 122 are both driven by the lead screws 125, the lead nuts 126 are fixedly installed at the bottom of the first adjusting base 121 and the second adjusting base 122, and the lead screws 125 at the output end of the motor 127 are matched with the lead nuts 126 for transmission. The lifting cylinders 128 are arranged at the bottom of the third adjusting base 123 and the fourth adjusting base 124 on both sides of the first rotating shaft 1231 and the second rotating shaft 1241 respectively, and the X-ray source 13 is fixedly installed at the top of the fourth adjusting base 124. The adjusting platform 12 can adjust the position of the X-ray source 13 installed thereon by the six-way adjusting mechanism, wherein the first adjusting base 121 at the bottom can be adjusted along the length direction of the test platform 11 by the transmission of the lead screw 125 at the output end of the motor 127 and the lead nut 126 at the bottom of the first adjusting base 121 under the driving of the motor 127. The second adjusting base 122 is also driven by the motor 127 to move along the width direction of the test platform 11 on the rails 1211 at the top of the first adjusting base 121, so as to adjust the position of the X-ray source 13 in front, back, left and right directions by the first adjusting base 121 and the second adjusting base 122. The first rotating shaft seat 1222 at the center of the top of the second adjusting base 122 is in rotating connection with the first rotating shaft 1231 at the bottom of the third adjusting base 123, and the inclination angle of the X-ray source 13 in the length direction of the test platform 11 is adjusted by the lifting cylinders 128 at both ends of the bottom of the third adjusting base 123. Similarly, the second rotating shaft seat 1232 at the top of the third adjusting base 123 is in rotating connection with the rotating shaft at the bottom of the fourth adjusting base 124, and the inclination angle of the X-ray source 13 in the width direction of the test platform 11 is adjusted by the lifting cylinders 128 at both ends of the bottom of the fourth adjusting base 124.
[0029] Referring to Figure 1 , Figure 2 and Figure 3The four sides of the collimator 22 are connected with the X-ray source 13 through the clamping mechanism 4, the clamping mechanism 4 includes four groups of mounting plates 41 distributed around the collimator 22, and the mounting plates 41 are provided with adjusting screws 42 screwed therewith, and the inner side of the adjusting screws 42 is rotatably connected with clamping plates 43. The clamping plates 43 include two groups of rotatably connected plate bodies 431, the back of the plate bodies 431 is connected through telescopic cylinders 432, and the end of the telescopic cylinders 432 is rotatably connected with a connecting sleeve plate 433 which is sleeved on the adjusting screw 42. The clamping mechanism 4 arranged around the collimator 22 clamps the X-ray source 13 from the four sides of the X-ray source 13, each side clamps the X-ray source 13 through the adjusting screw 42 penetrating the mounting plate 41 and the clamping plate 43 rotatably mounted on the adjusting screw 42, the clamping plate 43 adopts two groups of rotatably connected plate bodies 431 and adjusts the included angle between the plate bodies through the telescopic cylinders 432 at the back, and the other end of the telescopic cylinders 432 is rotatably connected with the connecting sleeve plate 433, which can meet the clamping requirements of different external shapes of the X-ray source, ensure that the collimator 22 can be stably installed on the X-ray source 13, and ensure that the collimator 22 can stably guide the X-ray to the detector 211 on the angle collector 21 when adjusting the X-ray source 13, and the surface of the detector 211 can also be provided with an imaging detector 211 to identify the shape of the X-ray passing through the collimator 22 on the detector 211 to test the actual emission angle of the X-ray source 13.
[0030] With reference to Figure 1 The adjusting windows 142 are arranged on the side and back of the shielding box 14. The adjusting windows 142 arranged on the side and back of the shielding box 14 can observe and adjust the adjusting device 1 and the X-ray source 13 in the shielding box after the shielding door 141 is closed, and ensure the accuracy of the test of the X-ray source 13.
[0031] With reference to Figure 1 The controller 3 is arranged on the side of the shielding box 14, and the controller 3 is provided with a display 31. The controller 3 is automatically controlled through the host computer software, the test data is automatically saved after the test is completed, a test report is generated, and the display 31 is used for display, so as to conveniently determine whether the emission dose and angle of the X-ray source meet the design requirements.
[0032] Working principle: when the test tool works, firstly, the X-ray source 13 is carried to the adjusting platform 12 of the test platform 11, the position of the adjusting platform 12 is adjusted according to different models of the X-ray source 13, the angle of the X-ray source 13 is adjusted, the X-ray source 13 is aligned with the angle collector 21, then the power supply of the controller 3 is connected, the data line and the power line are installed on the controller 3, the host computer software communicates with the X-ray source 13, the test conditions such as the beam pressure and the beam flow are controlled, the controller 3 is converted, the high-voltage structure is controlled, the X-ray tube is applied with high voltage to form an electric field to generate X-rays, the acquisition device 2 collects the X-ray dose value and the dose emission angle in real time, the acquisition device 2 is automatically controlled through the host computer software of the controller 3, the test data is automatically saved after the test is completed, the test report is generated, and the display 31 is displayed to facilitate the basic judgment of the performance of the X-ray source 13 after the test is completed.
[0033] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A test fixture for an X-ray source, characterized by: Comprising Adjusting device (1), the adjusting device (1) includes test platform (11) and the adjusting platform (12) installed on test platform (11), the X-ray source (13) to be tested is installed on the adjusting platform (12), wherein the adjusting platform (12) bottom is slidingly installed on the guide rail (111) of the surface of test platform (11), the guide rail (111) is distributed along the length direction of test platform (11), and the side of test platform (11) is also provided with the shielding box (14) of covering X-ray source (13), the shielding door (141) is installed at the entrance of shielding box (14); Collecting device (2), the collecting device (2) includes angle collector (21) installed on the top of shielding box (14) and collimator (22) of X-ray source (13) exit, the bottom of angle collector (21) is communicated with shielding box (14), the angle collector (21) adopts the arc structure with X-ray source (13) as the center, and a plurality of detectors (211) are arrayed on the inner side of angle collector (21), the shielding box (212) is covered on the angle collector (21); Controller (3), the controller (3) is installed with host computer software, and the host computer software is signal connected with adjusting device (1), collecting device (2) and X-ray source (13).
2. The test fixture of claim 1, wherein: The adjusting platform (12) adopts six direction adjusting mechanism, including the first adjusting seat (121) of bottom, the bottom of first adjusting seat (121) is slidingly connected with guide rail (111), the track (1211) of the top of first adjusting seat (121) is perpendicular to guide rail (111), and the sliding groove (1221) of the top of second adjusting seat (122) is sliding on track (1211), the first rotating shaft seat (1222) perpendicular to track (1211) is installed at the top center of second adjusting seat (122), and the first rotating shaft (1231) rotatingly connected with first rotating shaft seat (1222) is installed at the bottom of third adjusting seat (123), the second rotating shaft seat (1232) perpendicular to first rotating shaft seat (1222) is installed at the top of third adjusting seat (123), and the second rotating shaft (1241) rotatingly connected with second rotating shaft seat (1232) is installed at the bottom of fourth adjusting seat (124).
3. The test fixture of claim 2, wherein: The first adjusting seat (121) and second adjusting seat (122) are driven by screw rod (125), and the bottom of both is fixedly installed with screw sleeve (126), and is driven by screw rod (125) and screw sleeve (126) matched with the output end of motor (127) respectively.
4. The test fixture of claim 2, wherein: The third adjusting seat (123) and fourth adjusting seat (124) bottom are respectively provided with lifting cylinder (128) on both sides of first rotating shaft (1231) and second rotating shaft (1241), and X-ray source (13) is fixedly installed at the top of fourth adjusting seat (124).
5. The test fixture of claim 1, wherein: The collimator (22) is connected with the X-ray source (13) through a clamping mechanism (4) around the collimator (22), the clamping mechanism (4) comprises four groups of mounting plates (41) distributed around the collimator (22) in a ring shape, and the mounting plates (41) are provided with adjusting screws (42) screwed therewith, and the inner side of the adjusting screws (42) is rotatably connected with clamping plates (43).
6. The test fixture of claim 5, wherein: The clamping plates (43) comprise two groups of plate bodies (431) rotatably connected, the back of the plate bodies (431) is connected through telescopic cylinders (432), and the tail end of the telescopic cylinders (432) is rotatably connected with a rotating connection sleeve plate (433), and the connection sleeve plate (433) is slidably sleeved on the adjusting screw (42).
7. The test fixture of claim 1, wherein: The shielding box body (14) is provided with adjusting windows (142) on the side and back thereof.
8. The test fixture of claim 1, wherein: The controller (3) is mounted on the side of the shielding box body (14), and the controller (3) is provided with a display (31).