X-ray generating device for measuring single crystal orientation
Patent Information
- Application Number
- CN202522114262.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-30
- Publication Date
- 2026-09-15
- Estimated Expiration
- 2035-09-30
AI Technical Summary
[0003]常规X射线的高压电源，由油冷变压器对输入电源进行变压，电压达到30KV后作用在射线管上，由于冷却油受环境和温度影响，变压器输出的30KV电压不能稳定保持，导致X射线强度也发生波动，对测量的稳定性造成一定的不可量化的影响
采用陶瓷材料搭配液冷循环方案，极大提升了设备的功率和设备的工作状态的稳定性；
Smart Images
Figure CN224758435U_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of X-ray generator technology, and specifically provides an X-ray generating device for measuring the crystal orientation of a single crystal. Background Technology
[0002] Currently, conventional X-ray generators employ a copper-target, air-cooled, single-diffraction method. A high-voltage power supply powers the X-ray tube to generate X-rays, which are then filtered through a slit before illuminating the surface of the crystal being measured. The receiver determines the position and angle of the diffracted light to calculate the deviation angle. Single-diffraction measurements suffer from minimal intensity loss and are suitable for measuring the crystal orientation of various single-crystal materials. However, its measurement accuracy is relatively low due to factors such as X-ray purity. Some X-ray generators employ a copper-target, air-cooled, double-diffraction method. A high-voltage power supply powers the X-ray tube to generate X-rays, which are then filtered through a first diffraction stage before illuminating the surface of the crystal being measured. The receiver determines the position and angle of the second diffracted light to calculate the deviation angle. Double-diffraction involves two diffractions, resulting in significant X-ray energy loss and is only suitable for some crystals with strong diffraction capabilities. Although the measurement accuracy is significantly improved, its applicability is limited.
[0003] The high-voltage power supply for conventional X-rays uses an oil-cooled transformer to transform the input power. After the voltage reaches 30KV, it is applied to the X-ray tube. Because the cooling oil is affected by the environment and temperature, the 30KV output voltage of the transformer cannot be maintained stably, which causes the X-ray intensity to fluctuate and has a certain unquantifiable impact on the stability of the measurement. Utility Model Content
[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: an X-ray generating device for measuring the crystal orientation of a single crystal, including a sleeve, a dark box, a X-ray tube, a dimming component and a high-voltage power supply. The sleeve is fitted outside the X-ray tube and the high-voltage power supply. The high-voltage power supply is axially connected to one end of the X-ray tube, and the dimming component is radially connected to the other end of the X-ray tube. The high-voltage power supply is electrically connected to a transformer and an external power supply through a line. The dimming component is set inside the dark box. The output end of the X-ray tube extends into the dark box. A light-emitting hole is opened on the side wall of the dark box, and the position of the light-emitting hole corresponds to the output end of the dimming component. Water channels are arranged inside the end faces of the sleeve and the ray tube, and the water channels are connected to the external coolant circulation system.
[0005] Furthermore, the ray tube is composed of a column and a mounting plate. A power interface is provided on the end face of one end of the column. The mounting plate is integrally formed on the end face of the other end of the column. A light outlet is radially provided on the side wall of the column near the mounting plate. A fixing hole and a water channel interface are provided on the mounting plate. An internal water channel is provided inside the mounting plate. The internal water channel coils around and covers the mounting plate, and the two ends of the internal water channel are respectively connected to two water channel interfaces.
[0006] Furthermore, the sleeve consists of a main body, an end cap, and a sealing sleeve. The end cap is fixedly installed at one end of the main body, the X-ray tube is inserted into the main body, and the end of the X-ray tube is fixedly connected to the other end of the main body. The main pipe has an internal water channel in the pipe wall, and the end cap has a pipe connector. The position of the pipe connector corresponds to the position of the port of the internal water channel in the pipe wall. The dimming component interface is located on the side wall of the main body, and the position of the dimming component interface is connected to the dimming component.
[0007] Furthermore, a mounting hole is provided on the end face of the other end of the main body, and the ray tube is fixedly connected to it through a mounting plate; After the mounting plate is fixedly connected to the main pipe, the water channel interface is connected to the water channel inside the pipe wall.
[0008] Furthermore, the dimming assembly includes a support, an adjustment plate, crystal pillars, a first light-blocking plate, a second light-blocking plate, and a light inlet. The support is composed of horizontal and vertical plates, and has an L-shape in its main view. The first light-blocking plate is fixedly installed in the middle of the horizontal plate of the support, and the second light-blocking plate is fixedly installed on the end face of the horizontal plate of the support. Both the first and second light-blocking plates are parallel to the vertical plate. The first light-blocking plate, the second light-blocking plate, and the vertical plate constitute two dimming chambers. The two crystal pillars are placed in the two dimming chambers respectively and are assembled onto the horizontal plate of the support through the adjustment plate. A light inlet is provided in the center of the vertical plate, and the light inlet is connected to the output end of the X-ray tube.
[0009] Furthermore, the transformer is a dry-type transformer.
[0010] The beneficial effects of using this utility model are: The use of ceramic materials combined with a liquid cooling circulation system greatly improves the power and stability of the equipment's operation. The filter adjustment scheme using a three-crystal diffraction output port greatly improves the measurement accuracy, increasing it by 60% compared to single-crystal diffraction and by 30% compared to dual-crystal diffraction, providing effective theoretical support for meeting the ever-increasing demands of the industry. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of the present invention and the transformer; Figure 2 This is the front view of the present invention; Figure 3 for Figure 2 AA section diagram; Figure 4 This is a schematic diagram of the sleeve structure in this utility model; Figure 5 This is another structural schematic diagram of the sleeve in this utility model; Figure 6This is a schematic diagram of the structure of the ray tube in this utility model; Figure 7 This is a right view of the ray tube in this utility model; Figure 8 This is a left view of the ray tube in this utility model; Figure 9 This is a schematic diagram of the water channels inside the mounting plate of the ray tube in this utility model; Figure 10 This is a schematic diagram of the dimming component in this utility model; Figure 11 This is another structural schematic diagram of the dimming component in this utility model; The reference numerals in the figures include: 1. Sleeve; 101. Main body; 102. End cap; 103. Sealing sleeve; 104. Pipe connector; 105. Water channel inside the pipe wall; 106. Mounting hole; 107. Dimming component interface; 2. Camera obscura; 201. Light hole; 3. Transformer; 4. X-ray tube; 401. Column; 402. Mounting plate; 403. Water channel inside the plate; 404. Light outlet; 405. Fixing hole; 406. Water channel interface; 407. Power interface; 5. Dimming assembly; 501. Support component; 502. Adjustment plate; 503. Crystal pillar; 504. First light-blocking plate; 505. Second light-blocking plate; 506. Light inlet; 6. High-voltage power supply; Detailed Implementation
[0012] The present invention will now be described in detail with reference to the accompanying drawings.
[0013] Reference Figures 1-11 An X-ray generating device for measuring the crystal orientation of a single crystal includes a sleeve 1, a dark box 2, a ray tube 4, a dimming assembly 5, and a high-voltage power supply 6. The sleeve 1 is fitted outside the ray tube 4 and the high-voltage power supply 6. The high-voltage power supply 6 is axially connected to one end of the ray tube 4, and the dimming assembly 5 is radially connected to the other end of the ray tube 4. The high-voltage power supply 6 is electrically connected to a transformer 3 and an external power supply through a line. The dimming assembly 5 is set inside the dark box 2. The output end of the ray tube 4 extends into the dark box 2. A light-emitting hole 201 is opened on the side wall of the dark box 2, and the position of the light-emitting hole 201 corresponds to the output end of the dimming assembly 5. Water channels are provided inside the end faces of the sleeve 1 and the ray tube 4, and the water channels are connected to the external coolant circulation system.
[0014] Specifically, the X-ray tube 4 is composed of a column 401 and a mounting plate 402. A power interface 407 is provided on the end face of one end of the column 401. The mounting plate 402 is integrally formed on the end face of the other end of the column 401. A light outlet 404 is radially provided on the side wall of the column 401 near the mounting plate 402. A fixing hole 405 and a water channel interface 406 are provided on the mounting plate 402. An internal water channel 403 is provided inside the mounting plate 402. The internal water channel 403 is coiled around and covers the mounting plate 402, and both ends of the internal water channel 403 are connected to the two water channel interfaces 406 respectively.
[0015] Preferably, the column 401 is made of ceramic material, which greatly improves the pressure resistance level of the X-ray tube 4, can increase the working power of the X-ray tube 4, and at the same time limit the radiation hazard level of X-rays; Using mounting plate 402 as a positioning structure for the target center can effectively improve the accuracy of the target center position.
[0016] The sleeve 1 consists of a main body 101, an end cap 102 and a sealing sleeve 103. The end cap 102 is fixedly installed at one end of the main body 101, and the X-ray tube 4 is inserted into the main body 101, with the end of the X-ray tube 4 fixedly connected to the other end of the main body 101. The main body 101 is provided with an internal water channel 105, and the end cap 102 is provided with a pipe connector 104, the position of which corresponds to the port position of the internal water channel 105. The dimming component interface 107 is located on the side wall of the main body 101, and the position of the dimming component interface 107 is connected to the dimming component 5.
[0017] Specifically, a mounting hole 106 is provided on the end face of the other end of the main tube 101, and the ray tube 4 is fixedly connected through the mounting plate 402; After the mounting plate 402 is fixedly connected to the main pipe 101, the water channel interface 406 is connected to the water channel 105 inside the pipe wall.
[0018] The water channels throughout the sleeve 1 and the ray tube 4, combined with ceramic materials, can effectively improve heat dissipation efficiency; Ceramic water-cooled X-ray tubes can increase the power of the emission tube to 500 watts and the heat resistance temperature to 500°C. Combined with water cooling, this greatly improves the power and stability of the equipment, providing strong technical support for compensating for the power loss of tri-crystal diffraction.
[0019] The dimming assembly 5 includes a support 501, an adjustment plate 502, a crystal pillar 503, a first light-blocking plate 504, a second light-blocking plate 505, and a light inlet 506. The support 501 is composed of a horizontal plate and a vertical plate, and its main view is L-shaped. The first light-blocking plate 504 is fixedly installed in the middle of the horizontal plate of the support 501, and the second light-blocking plate 505 is fixedly installed on the end face of the horizontal plate of the support 501. Both the first light-blocking plate 504 and the second light-blocking plate 505 are parallel to the vertical plate. The first light-blocking plate 504, the second light-blocking plate 505, and the vertical plate constitute two dimming chambers. The two crystal pillars 503 are placed in the two dimming chambers respectively and are assembled onto the horizontal plate of the support 501 through the adjustment plate 502. The light inlet 506 is provided in the center of the vertical plate and is connected to the output end of the X-ray tube 4.
[0020] The filtering adjustment scheme using a three-crystal diffraction exit port (ray tube 4 and two crystal pillars 503) greatly improves the measurement accuracy compared to single-crystal diffraction and double-crystal diffraction. The measurement accuracy is improved by 60% compared to single-crystal diffraction and by 30% compared to double-crystal diffraction, providing effective theoretical support for meeting the ever-increasing industry development needs. Meanwhile, the main method to improve the accuracy of three-crystal diffraction is to filter out stray X-rays of different wavelengths, especially to filter out the superposition effect of the Ka2 peak on the Ka1 peak; The three-stage filtering process removes over 98% of stray light, resulting in more accurate measurement results. The three-crystal diffraction filtering scheme uses a dual-crystal-pillar adjustment method. Each crystal pillar has a germanium single-crystal wafer attached to it for diffraction and filtering. Each crystal pillar can be adjusted and fixed in multiple directions to achieve diffraction correction of the pipeline.
[0021] Preferably, transformer 3 is a dry-type transformer; Dry-type transformers provide a stable output power for X-ray tubes. Due to optimized internal structure, they reduce environmental influences and improve the stability of the X-ray tube's operation. Based on the requirements of ceramic X-ray tubes for directional instruments, the dry-type transformer employs a multi-stage transformation scheme, enabling a stable output of 30KV, 20mA tube current with fluctuations of <2%, meeting the requirements for high-power directional measurements while also satisfying the intensity standards for Class III X-rays.
[0022] The above content is only a preferred embodiment of this utility model. For those skilled in the art, many changes can be made in the specific implementation and application scope based on the concept of this utility model. As long as these changes do not depart from the concept of this utility model, they all fall within the protection scope of this utility model.
Claims
1. An X-ray generating device for measuring a single crystal orientation, characterized by: It includes a sleeve, a dark box, a X-ray tube, a dimming assembly, and a high-voltage power supply. The sleeve is fitted over the X-ray tube and the high-voltage power supply. The high-voltage power supply is axially connected to one end of the X-ray tube, and the dimming assembly is radially connected to the other end of the X-ray tube. The high-voltage power supply is electrically connected to a transformer and an external power supply through a line. The dimming assembly is set inside the dark box. The output end of the X-ray tube extends into the dark box. A light-emitting hole is opened on the side wall of the dark box, and the position of the light-emitting hole corresponds to the output end of the dimming assembly. The end faces of the sleeve and the ray tube are provided with water channels, which are connected to the external coolant circulation system.
2. The X-ray generating device for measuring the crystal orientation of a single crystal as described in claim 1, characterized in that: The ray tube consists of a column and a mounting plate. A power interface is provided on the end face of one end of the column. The mounting plate is integrally formed on the end face of the other end of the column. A light outlet is radially provided on the side wall of the column near the mounting plate. A fixing hole and a water channel interface are provided on the mounting plate. An internal water channel is provided inside the mounting plate. The internal water channel coils around and covers the mounting plate, and the two ends of the internal water channel are respectively connected to two water channel interfaces.
3. An X-ray generating device for measuring the crystal orientation of a single crystal as described in claim 1, characterized in that: The sleeve consists of a main body, an end cap, and a sealing sleeve. The end cap is fixedly installed at one end of the main body, and the X-ray tube is inserted into the main body, with the end of the X-ray tube fixedly connected to the other end of the main body. The main pipe is provided with an internal water channel in the pipe wall, and the end cap is provided with a pipe connector, the position of which corresponds to the port position of the internal water channel in the pipe wall. The dimming component interface is located on the side wall of the main body, and the position of the dimming component interface is connected to the dimming component.
4. An X-ray generating device for measuring the crystal orientation of a single crystal as described in claim 3, characterized in that: A mounting hole is provided on the end face of the other end of the main body, and the ray tube is fixedly connected through a mounting plate; After the mounting plate is fixedly connected to the main body, the water channel interface is connected to the water channel inside the pipe wall.
5. An X-ray generating device for measuring the crystal orientation of a single crystal according to claim 1, characterized in that: The dimming assembly includes a support, an adjustment plate, crystal pillars, a first light-blocking plate, a second light-blocking plate, and a light inlet. The support is composed of horizontal and vertical plates, and has an L-shape in its main view. The first light-blocking plate is fixedly installed in the middle of the horizontal plate of the support, and the second light-blocking plate is fixedly installed on the end face of the horizontal plate of the support. Both the first and second light-blocking plates are parallel to the vertical plate. The first light-blocking plate, the second light-blocking plate, and the vertical plate constitute two dimming chambers. Two crystal pillars are placed in the two dimming chambers respectively and are assembled onto the horizontal plate of the support via the adjustment plate. A light inlet is provided in the center of the vertical plate, and the light inlet is connected to the output end of the X-ray tube.
6. An X-ray generating device for measuring the crystal orientation of a single crystal according to claim 1, characterized in that: The transformer is a dry-type transformer.