Flexible digital X-ray image system and application thereof

CN119269546APending Publication Date: 2025-01-07FUZHOU ROENTGEN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411474995.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-01-07

AI Technical Summary

Technical Problem

The existing X-ray indirect imaging systems have problems such as low resolution, insufficient sensitivity, large radiation dose, high production cost and complex operation, and cannot achieve flexible X-ray imaging.

Method used

Using a flexible digital X-ray imaging system consisting of an imaging module, an imaging plate and a heating assembly, the imaging plate is excited to emit visible light by moving the heating assembly, improving the robustness and imaging efficiency of the system, using NaLuF4:Tb afterglow luminescent scintillator material and CMOS The camera improves resolution and sensitivity, simplifies the preparation process and reduces costs.

Benefits of technology

High resolution, sensitivity and efficiency of X-ray imaging is achieved, reducing production costs and system complexity, providing convenient automated operations and efficient imaging performance.

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Abstract

The invention relates to the field of X-ray digital imaging detection devices, in particular to a flexible digital X-ray image system and application thereof. The flexible digital X-ray image system comprises an imaging module, an imaging plate and a heating assembly which are sequentially arranged from top to bottom, and the heating assembly can be close to or away from the imaging plate. According to the flexible digital X-ray image system, by moving the heating assembly, the heating assembly excites the imaging plate to emit visible light with object structure information in good time, the visible light enters the imaging module to emit an imaging image, and the robustness of the system is improved.
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Description

Technical Field

[0001] The present invention relates to the field of X-ray digital imaging detection devices, and in particular to a flexible digital X-ray imaging system and applications thereof. Background Art

[0002] In recent years, X-ray image detection devices have been increasingly used in the fields of industrial non-destructive testing, medical disease diagnosis, safety inspection, and scientific research. With the continuous development and progress of science and technology, various application fields have put forward higher requirements on the resolution, sensitivity, radiation dose, imaging speed, production cost, and reliability of X-ray image detection devices. However, many commercial X-ray image detection devices still have problems such as low resolution, insufficient sensitivity, high radiation dose, and high production cost.

[0003] Traditional X-ray imaging uses a combination of imaging plates and intensifying screens to store analog images. Digital X-ray imaging can store X-ray images in the form of digital signals in a computer. X-ray imaging is mainly divided into direct and indirect imaging.

[0004] In recent years, X-ray indirect imaging has developed rapidly. X-ray indirect imaging generally consists of a scintillator and a detector. For example, the Chinese invention patent with the announcement number CN102170828B discloses that the imaging principle of the traditional X-ray indirect imaging system is: using a scintillator to convert the image obtained by using X-rays into a visible light image, and using a flat-panel detector with a thin-film transistor for observation. The traditional indirect imaging method cannot complete flexible X-ray imaging, and has problems such as low temporal and spatial resolution, inability to image in real time, and complex operation. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a high-performance flexible digital X-ray imaging system and its application.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a flexible digital X-ray imaging system, including an imaging module, an imaging plate and a heating component arranged in sequence from top to bottom, and the heating component can be close to or far away from the imaging plate.

[0007] Another technical solution adopted by the present invention is: application of the above-mentioned flexible digital X-ray imaging system.

[0008] The beneficial effects of the present invention are as follows: the flexible digital X-ray imaging system of the present invention can move the heating component to make the heating component timely stimulate the imaging plate to emit visible light with object structure information, and the visible light enters the imaging module to emit an imaging image, thereby improving the robustness of the system. The imaging system provides convenient and friendly automated operation, which can reduce the production cost, simplify the system structure and production process while increasing the imaging area, detection efficiency and sensitivity. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 Shown is a schematic structural diagram of a flexible digital X-ray imaging system according to a specific embodiment of the present invention; Figure 2 Shown is a partial structural schematic diagram of a flexible digital X-ray imaging system according to a specific embodiment of the present invention; Figure 3 Shown is a partial structural schematic diagram of a flexible digital X-ray imaging system according to a specific embodiment of the present invention at another viewing angle; Figure 4 Shown is a schematic structural diagram of an imaging plate placement assembly according to a specific embodiment of the present invention; Figure 5 Shown is a structural schematic diagram of a tray transmission module according to a specific embodiment of the present invention; Figure 6 Shown is a partial structural schematic diagram of a heating assembly according to a specific embodiment of the present invention; Figure 7 Shown is a schematic structural diagram of an imaging module according to a specific embodiment of the present invention; Figure 8 FIG. 1 is a schematic structural diagram of an imaging module according to a specific embodiment of the present invention at another viewing angle; Description of labels: 1. Housing; 11. System switch; 12. Display touch screen; 13. Focus adjustment window; 2. Imaging plate; 3. Imaging plate placement assembly; 31. First bottom plate; 311. Sliding block; 312. Shading strip; 313. Color matching strip; 32. Pressure cover; 33. Pin hole; 4. Tray transmission module; 41. Support plate; 411. Linear rail; 42. Support column; 5. Heating assembly; 51. Second bottom plate; 511. Bearing; 512. Bottom support member; 513. Spring; 52. Heating plate; 61. Second screw rod; 71. Semiconductor cooling fan; 8. Imaging module; 81. Storage plate; 811. Circular aperture hole; 82. Reflector; 83. Imaging objective lens; 84. Scientific camera. DETAILED DESCRIPTION

[0010] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in combination with the implementation modes and the accompanying drawings.

[0011] Please refer to Figures 1 to 3 A flexible digital X-ray imaging system includes an imaging module, an imaging plate and a heating component arranged in sequence from top to bottom, and the heating component can be close to or far away from the imaging plate.

[0012] From the above description, it can be seen that the beneficial effects of the present invention are: the structural information of the imaging object is stored in the imaging plate, and the flexible digital X-ray imaging system of the present invention moves the heating component so that the heating component timely excites the imaging plate to emit visible light with the structural information of the object, and no professional laser scanning readout equipment is required to read the image, which effectively improves the imaging detection efficiency and makes the operation more convenient and efficient. Visible light enters the imaging module and emits an imaging image, which effectively improves the resolution and sensitivity of the image, and improves the imaging detection efficiency, imaging area and imaging performance.

[0013] Furthermore, the imaging plate includes a protective layer, a scintillator light-emitting layer and a flexible substrate support plate which are arranged in sequence from top to bottom.

[0014] From the above description, it can be seen that the imaging plate has a simple structure, is flexible, highly transparent and has excellent compressive resistance. It is used to record the structural information of objects penetrated by X-rays and can be reused by developing and erasing the imaging plate, thus avoiding environmental pollution and improving economic benefits.

[0015] Furthermore, the thickness of the flexible substrate support plate layer is 100-300 μm, and the thickness of the scintillator light-emitting layer is less than 200 μm.

[0016] Furthermore, the scintillator light-emitting layer is composed of NaLuF4:Tb afterglow luminescent scintillator material and a polymer binder.

[0017] From the above description, it can be seen that the scintillator material in the imaging plate is NaLuF4:Tb afterglow luminescent scintillator material, which has the characteristics of thermal excitation, high quantum efficiency, high luminescence efficiency, etc. Under the excitation of X-rays, NaLuF4:Tb scintillator has fluorescence and long afterglow luminescence phenomenon, with an emission wavelength of 400~700nm and an afterglow time of 15~30 days. The use of NaLuF4:Tb to prepare the imaging plate ensures the high resolution of the imaging system.

[0018] Furthermore, the imaging plate is prepared by a large-area blade coating method.

[0019] From the above description, it can be seen that the use of a doctor blade coating method with good uniformity, convenient operation and efficient processing to prepare imaging plates replaces the traditional imaging plates, simplifies the preparation process and reduces the production cost.

[0020] Please refer to Figure 4 Furthermore, the flexible digital X-ray imaging system also includes an imaging plate placement component, which is located above the heating component. The imaging plate placement component includes a first base plate and a pressure cover detachably connected to the first base plate. An inner tray for placing the imaging plate is arranged in the first base plate, and a slider is arranged on the first base plate.

[0021] Furthermore, the first bottom plate is connected to the pressure cover through a latch hole. When connected, one side of the latch hole is open for placing a corner of the first bottom plate, and the side of the latch hole that is not open is connected to the first bottom plate.

[0022] Furthermore, the slider is arranged on one side of the first bottom plate, a shading strip is arranged on the side of the first bottom plate away from the slider, and a color matching strip is arranged on the shading strip.

[0023] From the above description, it can be seen that the shading strip is used to prevent light leakage from affecting imaging, and the color matching strip is used to indicate the function or status of the shading strip, such as indicating that the shading strip has high temperature resistance or waterproof function.

[0024] Furthermore, the first bottom plate is made of a material with excellent thermal conductivity.

[0025] Furthermore, a silicone sheet is provided in the inner tray and is located below the imaging plate.

[0026] From the above description, it can be seen that the silicone sheet plays a protective and shockproof role for the imaging plate.

[0027] Please refer to Figure 5 Furthermore, the flexible digital X-ray imaging system also includes a tray transmission module, which includes a support plate, a linear rail is arranged on the support plate, and the linear rail is slidably connected with a slider to control the imaging plate placement component to be pushed out or enter the position directly above the heating component.

[0028] Furthermore, the tray transmission module also includes a first transmission motor and a first screw rod. The first transmission motor, the first screw rod and the first base plate are sequentially connected to drive the slider to move on the linear rail.

[0029] From the above description, it can be seen that the first transmission motor, the first screw rod and the first base plate are sequentially connected to drive the slider to move on the rail to push the imaging plate placement assembly out or into the position directly above the heating assembly to perform imaging operations.

[0030] Furthermore, the tray transmission module also includes an optical coupler and a support column.

[0031] From the above description, it can be seen that the optocoupler is used for resetting, and the reset function of the optocoupler is realized by any conventional existing technology, such as: through a built-in reset circuit or a feedback mechanism with a microcontroller, and can also be automatically reset by powering off and restarting or by sensors monitoring environmental conditions.

[0032] The support column is used to fix the tray transmission module.

[0033] Please refer to Figure 6 Furthermore, the heating assembly includes a second bottom plate and a heating plate, and a temperature sensor and a bottom support for placing the heating plate are arranged on the second bottom plate.

[0034] From the above description, it can be known that the temperature sensor is used to control the temperature of the heating plate when heating.

[0035] Furthermore, the heating plate is a cast aluminum heating plate.

[0036] From the above description, it can be seen that the cast aluminum heating plate can provide a heating temperature of up to 350°C.

[0037] Furthermore, the bottom support member is connected to the second bottom plate via an elastic member.

[0038] From the above description, it can be seen that the bottom support member is connected to the second bottom plate through the elastic member, which allows the heating plate to fit closely with the first bottom plate during heating, thereby improving the heating efficiency.

[0039] Furthermore, the elastic member is a spring.

[0040] Furthermore, the flexible digital X-ray imaging system also includes a heating component transmission module, which includes a second transmission motor and a second screw rod. A bearing is arranged on the second base plate. The second transmission motor, the second screw rod and the bearing are sequentially connected to control the heating plate to approach or move away from the imaging plate.

[0041] From the above description, it can be known that the second transmission motor, the second screw rod and the bearing are sequentially connected to control the rise and fall of the heating plate to achieve the heating plate being in contact with or away from the first bottom plate.

[0042] Furthermore, the heating component transmission module also includes an optical coupler.

[0043] As can be seen from the above description, the optocoupler is used for reset. The reset function of the optocoupler is implemented by any conventional prior art, such as: by a built-in reset circuit or a feedback mechanism with a microcontroller, or automatically reset by power off and restart or by a sensor monitoring environmental conditions.

[0044] Furthermore, the flexible digital X-ray imaging system also includes a heat dissipation component, which includes a semiconductor heat dissipation fan, and the semiconductor heat dissipation fan is arranged toward the heating component.

[0045] Furthermore, a semiconductor cooling fan is arranged outside the housing of the flexible digital X-ray imaging system.

[0046] From the above description, it can be seen that the heat dissipation component can quickly cool down the device and quickly recover to the next imaging state.

[0047] Furthermore, the semiconductor heat dissipation fan is located below the heating component.

[0048] From the above description, it can be seen that the semiconductor cooling fan is located below the heating component, and the air flow can flow from below.

[0049] Furthermore, the shell of the semiconductor cooling fan is a waterproof and breathable membrane.

[0050] From the above description, it can be seen that the waterproof breathable membrane plays a role in shielding from light while maintaining air flow.

[0051] Please refer to Figure 7 and 8 Furthermore, the imaging module includes a placement plate, a reflector, and an imaging objective lens and a scientific camera arranged on the placement plate. A circular aperture through hole is provided on the placement plate, and the reflector is arranged directly above the circular aperture through hole. The optical axis of the imaging objective lens is placed at 45° to the optical axis of the reflector, and the imaging objective lens is connected to the scientific camera.

[0052] From the above description, it can be seen that the placement plate has a light shielding effect, and the scintillator on the imaging plate emits visible light into the circular aperture through hole, which is reflected by the reflector and collected by the imaging objective lens into the scientific camera for imaging. The present invention changes the imaging light path through the reflector structure, making the imaging device structure more compact and the imaging operation simple.

[0053] Furthermore, the back of the reflector is provided with a metal coating, and the average reflectivity of the reflector in the wavelength range of 200-1000 nm is greater than 95%.

[0054] Furthermore, the metal coating is a film made of gold, silver or aluminum, the thickness of the film is 100-200 nm, and the coating method adopts a vacuum coating method.

[0055] Furthermore, the scientific camera is a CMOS camera.

[0056] From the above description, we can know that the scientific camera is a CMOS camera with high quantum efficiency (>80%), high sensitivity, low noise, high frame rate, high resolution, and zero glare, which is used to convert the visible light signal after the imaging plate is excited into a digital information image. The best quantum efficiency of CMOS in 400~700nm matches well with the emission wavelength of the scintillator. The CMOS camera has a cooling module and an F-type external interface.

[0057] The use of CMOS cameras to replace traditional CCD cameras has improved the sensitivity, resolution, imaging speed, detection efficiency and other performance of the CR (digital X-ray imaging) imaging device.

[0058] Furthermore, the image sensor of the CMOS camera is a back-illuminated CMOS image sensor.

[0059] From the above description, it can be seen that the back-illuminated CMOS can obtain a larger full-well charge number under the same pixel area compared to the front-illuminated CMOS because the size of the circuit structure around the photosensitive area is reduced.

[0060] Furthermore, a focus adjustment window is provided above the scientific camera.

[0061] From the above description, it can be seen that the focus adjustment window can quickly and conveniently adjust the focus of the scientific camera.

[0062] Furthermore, the focal length of the imaging objective lens is 40-100 mm, the aperture value is >2.8, the imaging field of view is >φ300 mm, and the lens interface is a C-type interface with an aperture ring lockable screw.

[0063] Furthermore, the imaging objective lens and the scientific camera are connected by means of a first adapter ring for converting an F-type interface to a C-type interface, and the adapter ring is detachable.

[0064] Furthermore, the scientific camera adopts a second connecting ring to be placed on the side of the reflector.

[0065] Furthermore, the inner diameter of the second connecting ring is greater than the maximum diameter of the imaging objective lens, the length of the second connecting ring is greater than the length of the imaging objective lens, and the second connecting ring is provided with a periodically arranged strip-shaped hole structure around it.

[0066] From the above description, it can be seen that the second connecting ring is provided with a periodically arranged strip-shaped hole structure around it, which facilitates the focusing operation of the optical lens.

[0067] Furthermore, it also includes a display touch screen, which is connected to the tray transmission module, the heating component, the heating component transmission module, the heat dissipation component and the imaging module through wires.

[0068] From the above description, it can be seen that the touch display screen provides a friendly human-computer interaction interface, which can be used to set the heating time and temperature, control the push-out and entry of the imaging plate, and control the imaging of the scientific camera to realize automated imaging operations.

[0069] Another technical solution adopted by the present invention is: application of the above-mentioned flexible digital X-ray imaging system.

[0070] Further, the following steps are included: S1: X-rays are emitted from an X-ray source and transmitted through the imaging object, forming a beam of X-rays with the structural information of the imaging object and incident on the imaging plate. The structural information of the imaging object is stored in the imaging plate; S2: The imaging plate with the structural information of the imaging object is close to the heating component, and the heating component excites visible light with the structural information of the object; S3: Visible light enters the imaging module and is converted into a digital signal. Finally, the computer outputs a digital image with structural information of the imaged object.

[0071] Further, the following steps are included: S1: X-rays are emitted from an X-ray source and transmitted through the imaging object, forming a beam of X-rays with the structural information of the imaging object and incident on the imaging plate. The structural information of the imaging object is stored in the imaging plate; S2: Controlling the tray transmission module through the display touch screen to push out the imaging plate placement component, placing the imaging plate in the imaging plate placement component, and then starting the heating component and the heating plate transmission module through the display touch screen; S3: The heating plate transmission module controls the heating component to approach the imaging plate with the imaging object structure information, and the imaging plate excites the visible light with the object structure information under the action of the heating component; S4: Visible light passes through the circular aperture and the reflector in sequence. After changing direction through the reflector, it is received by a scientific camera equipped with an imaging objective lens. The scientific camera converts the visible light signal into a digital signal through photoelectric conversion processing, and finally a computer outputs a digital image with structural information of the imaging object.

[0072] Please refer to Figures 1 to 8 Embodiment 1 of the present invention is: a flexible digital X-ray imaging system, comprising a housing 1, an imaging plate 2, an imaging plate placement component 3, a tray transmission module 4, a heating component 5, a heating component transmission module, a heat dissipation component and an imaging module 8 arranged in the housing 1, and a system switch 11, a display touch screen 12 and a focus adjustment window 13 arranged on the housing 1; the imaging module 8, the imaging plate 2 and the heating component 5 are arranged in sequence from top to bottom, and the heating component 5 is close to or away from the imaging plate 2 through the heating component transmission module.

[0073] The imaging plate 2 includes a protective layer, a scintillator light-emitting layer and a PET (polyethylene terephthalate) flexible substrate support plate arranged in sequence from top to bottom. The scintillator light-emitting layer is composed of NaLuF4:Tb afterglow luminescent scintillator material and a polymer binder. The thickness of the PET flexible substrate support plate layer is 200μm, and the thickness of the scintillator light-emitting layer is less than 200μm.

[0074] The imaging plate placement component 3 includes a first base plate 31 and a pressure cover 32 detachably connected to the first base plate 31. An inner tray for placing the imaging plate 2 is arranged in the first base plate 31, and a silicone sheet is arranged in the inner tray. A slider 311 is arranged on the first base plate 31, and the slider 311 is arranged on one side of the first base plate 31. A shading strip 312 is arranged on the side of the first base plate 31 away from the slider 311, and a color matching strip 313 is arranged on the shading strip 312, and the color matching strip 313 is exposed outside the shell 1; the first base plate 31 and the pressure cover 32 are connected through a pin hole 33. When connected, one side of the pin hole 33 is opened for placing a corner of the first base plate 31, and the side of the pin hole 33 that is not opened is connected to the first base plate 31, and the first base plate 31 is made of heat-conducting material.

[0075] The tray transmission module 4 includes a support plate 41, a first transmission motor, a first screw rod, an optical coupler and a support column 42; a linear rail 411 is arranged on the support plate 41, and the first transmission motor, the first screw rod and the first base plate 31 are sequentially connected to drive the slider 311 to move on the linear rail 411 to control the imaging plate placement component 3 to be pushed out or enter the position directly above the heating component 5; the two ends of the support column 42 are respectively connected to the support plate 41 and the shell 1, and the optical coupler is used to limit the pushing distance.

[0076] The heating assembly 5 includes a second bottom plate 51 and a heating plate 52. The second bottom plate 51 is provided with a temperature sensor and a bottom support 512 for placing the heating plate 52. The bottom support 513 is connected to the second bottom plate 51 through a spring 513. The heating plate 52 is a cast aluminum heating plate.

[0077] The heating component transmission module includes a second transmission motor, a second screw rod 61 and an optical coupler. A bearing 511 is set on the second base plate 51. The second transmission motor, the second screw rod 61 and the bearing 511 are connected in sequence to control the heating plate 52 to move closer to or away from the imaging plate 2. The optical coupler is used for resetting.

[0078] The heat dissipation component includes a semiconductor heat dissipation fan 71, which is arranged toward the heating component 5 and is located below the heating component 5. The lower part of the shell 1 is open, and the shell of the semiconductor heat dissipation fan is a waterproof and breathable membrane.

[0079] The imaging module 8 includes a storage plate 81, a reflector 82, an imaging lens 83 and a scientific camera 84 arranged on the storage plate 81. The storage plate 81 is provided with a circular aperture through hole 811. The reflector 82 is arranged directly above the circular aperture through hole 811. The optical axis of the imaging lens 83 and the optical axis of the reflector 82 are placed at 45 degrees. The imaging lens 83 is connected to the scientific camera 84, and the scientific camera 84 is a CMOS camera. The back of the reflector 82 is coated with a silver material with a thickness of 150nm. The average reflectivity of the reflector 82 in the wavelength range of 200~1000nm is greater than 95%; the focal length of the imaging lens 83 is 40~100mm, the aperture value is greater than 2.8, and the imaging field of view is greater than φ300 mm, the lens interface is a C-type interface with an aperture ring locking screw; the image sensor of the CMOS camera is a back-illuminated CMOS image sensor; the imaging objective lens 83 and the CMOS camera are connected by a first adapter ring from an F-type interface to a C-type interface, and the adapter ring is detachable; the scientific camera 84 uses a second connecting ring placed on the side of the reflector 82, the inner diameter of the second connecting ring is greater than the maximum diameter of the imaging objective lens 83, the length of the second connecting ring is greater than the length of the imaging objective lens 83, and the second connecting ring is surrounded by a periodically arranged strip hole structure; the focus adjustment window 13 is set above the scientific camera 84, for adjusting the focus of the scientific camera 84.

[0080] The display touch screen 12 is connected to the tray transmission module 4, the heating component 5, the heating component transmission module, the heat dissipation component and the imaging module 8 through wires.

[0081] The imaging principle of the first embodiment includes the following steps: S1, an X-ray source emits X-rays that penetrate the imaging object, forming a beam of X-rays carrying the imaging object's structural information and incident on the imaging plate 2, and the imaging object's structural information is stored in the imaging plate 2; S2, controlling the first transmission motor, the first lead screw and the first bottom plate 31 to be sequentially connected through the display touch screen 12 to drive the slider 311 to move on the linear rail 411 to control the first bottom plate 31 to enter the housing 1, and after placing the imaging plate 2 in the inner tray of the first bottom plate 31, inserting the pressure cover 32 into the pin hole 33 to press the imaging plate 2; S3, start the heating assembly 5 and the heating plate 52 transmission module by displaying the touch screen, the heating plate 52 starts to heat, the second transmission motor, the second screw rod 61 and the bearing 511 are sequentially connected to control the heating plate 52 on the second bottom plate 51 to approach the imaging plate 2, and under the action of the spring 513, the heating plate 52 is closely attached to the first bottom plate 31 loaded with the imaging plate 2; S4, the imaging plate 2 excites the heating plate 52 to emit visible light with object structure information; S5, visible light passes through the circular aperture 811 and the reflector 82 in sequence, and is received by a CMOS camera equipped with an imaging objective lens 83. The CMOS camera converts the visible light signal into a digital signal through photoelectric conversion processing, and finally a computer outputs a digital image with structural information of the imaging object; S6, the semiconductor cooling fan 71 works to quickly cool down the instrument; at the same time, the display touch screen controls the heating component 5 to stop heating, controls the second transmission motor, the second screw rod 61 and the bearing 511 to be connected in sequence to move the heating plate 52 away, and controls the first transmission motor, the first screw rod and the first bottom plate 31 to be connected in sequence to drive the slider 311 to move on the linear rail 411, so that the first bottom plate 31 is pushed out of the shell 1 for replacement.

[0082] The second embodiment of the present invention is: an application of a flexible digital X-ray imaging system, the steps are as follows: S1: X-rays are emitted from an X-ray source and transmitted through the imaging object, forming a beam of X-rays with the structural information of the imaging object and incident on the imaging plate. The structural information of the imaging object is stored in the imaging plate; S2: Controlling the tray transmission module through the display touch screen to push out the imaging plate placement component, placing the imaging plate in the imaging plate placement component, and then starting the heating component and the heating plate transmission module through the display touch screen; S3: The heating plate transmission module controls the heating component to approach the imaging plate with the imaging object structure information, and the imaging plate excites the visible light with the object structure information under the action of the heating component; S4: Visible light passes through the circular aperture and the reflector in sequence. After changing direction through the reflector, it is received by a scientific camera equipped with an imaging objective lens. The scientific camera converts the visible light signal into a digital signal through photoelectric conversion processing, and finally a computer outputs a digital image with structural information of the imaging object.

[0083] In summary, the flexible digital X-ray imaging system and its application provided by the present invention have the following advantages: 1. By moving the heating component, the heating component can timely stimulate the imaging plate to emit visible light with object structure information, without the need for professional laser scanning readout equipment to read the image, effectively improving the efficiency of imaging detection; the scintillator on the imaging plate emits visible light into the circular aperture hole, which is reflected by the reflector and collected by the imaging objective lens into the scientific camera for imaging operation, which is more convenient and efficient.

[0084] 2. The imaging plate has a simple structure, is flexible, highly transparent, has excellent pressure resistance, and is reusable; the scintillator material in the imaging plate is NaLuF4:Tb afterglow luminescent scintillator material, which ensures the high resolution of the imaging system.

[0085] 4. The imaging plate placement assembly includes a light shielding strip to prevent light leakage from affecting imaging, and also includes a silicone sheet to protect and shockproof the imaging plate.

[0086] 5. The bottom support member is connected to the second bottom plate through an elastic member, which allows the heating plate to fit closely with the first bottom plate during heating, thereby improving heating efficiency.

[0087] 6. The outer shell of the semiconductor cooling fan is a waterproof and breathable membrane that can protect against light while maintaining airflow.

[0088] 7. The touch display screen provides a friendly human-computer interaction interface, which can be used to set the heating time and temperature, control the push-out and entry of the imaging plate, and control the imaging of the scientific camera to realize automated imaging operations.

[0089] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A flexible digital X-ray imaging system, characterized in that: The invention comprises an imaging module, an imaging board and a heating component which are arranged in sequence from top to bottom, and the heating component can be close to or far away from the imaging board.

2. The flexible digital X-ray imaging system according to claim 1, characterized in that: It also includes an imaging plate placement component, which includes a first bottom plate and a pressure cover detachably connected to the first bottom plate, an inner tray for placing the imaging plate is arranged in the first bottom plate, and a slider is arranged on the first bottom plate.

3. The flexible digital X-ray imaging system according to claim 2, characterized in that: It also includes a tray transmission module, which includes a support plate, a linear rail is arranged on the support plate, and the linear rail is slidably connected with a slider to control the imaging plate placement component to be pushed out or enter the position directly above the heating component.

4. The flexible digital X-ray imaging system according to claim 1, characterized in that: The heating assembly comprises a second bottom plate and a heating plate, wherein a temperature sensor and a bottom support member for placing the heating plate are arranged on the second bottom plate.

5. The flexible digital X-ray imaging system according to claim 4, characterized in that: The bottom support member is connected to the second bottom plate via an elastic member.

6. The flexible digital X-ray imaging system according to claim 4, characterized in that: It also includes a heating component transmission module, which includes a second transmission motor and a second screw rod. A bearing is arranged on the second bottom plate. The second transmission motor, the second screw rod and the bearing are sequentially connected to control the heating plate to approach or move away from the imaging plate.

7. The flexible digital X-ray imaging system according to claim 1, characterized in that: It also includes a heat dissipation component, which includes a semiconductor heat dissipation fan, and the semiconductor heat dissipation fan is arranged toward the heating component.

8. The flexible digital X-ray imaging system according to claim 1, characterized in that: The imaging module includes a placement plate, a reflector, and an imaging objective lens and a scientific camera arranged on the placement plate. A circular aperture through hole is provided on the placement plate, and the reflector is arranged directly above the circular aperture through hole. The optical axis of the imaging objective lens is placed at 45° to the optical axis of the reflector, and the imaging objective lens is connected to the scientific camera.

9. Application of the flexible digital X-ray imaging system as described in any one of claims 1 to 8.

10. The use according to claim 9, characterized in that: The following steps are involved: S1: X-rays are emitted from an X-ray source and transmitted through the imaging object, forming a beam of X-rays with the structural information of the imaging object and incident on the imaging plate. The structural information of the imaging object is stored in the imaging plate; S2: The imaging plate with the structural information of the imaging object is close to the heating component, and the heating component excites visible light with the structural information of the object; S3: Visible light enters the imaging module and is converted into a digital signal. Finally, the computer outputs a digital image with structural information of the imaged object.

Citation Information

Patent Citations

  • Radiographic imaging system

    CN102170828B