WO2022156137A1 - Movable micro-focus multi-mode x-ray imaging device - Google Patents

Movable micro-focus multi-mode x-ray imaging device Download PDF

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Publication number
WO2022156137A1
WO2022156137A1 PCT/CN2021/101509 CN2021101509W WO2022156137A1 WO 2022156137 A1 WO2022156137 A1 WO 2022156137A1 CN 2021101509 W CN2021101509 W CN 2021101509W WO 2022156137 A1 WO2022156137 A1 WO 2022156137A1
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Prior art keywords
circuit
microprocessor
imaging device
detector
ray
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PCT/CN2021/101509
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French (fr)
Chinese (zh)
Inventor
侯庆锋
房鹰
邱建峰
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山东第一医科大学(山东省医学科学院)
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Application filed by 山东第一医科大学(山东省医学科学院) filed Critical 山东第一医科大学(山东省医学科学院)
Priority to DE212021000280.3U priority Critical patent/DE212021000280U1/en
Publication of WO2022156137A1 publication Critical patent/WO2022156137A1/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/44Constructional features of apparatus for radiation diagnosis
    • A61B6/4476Constructional features of apparatus for radiation diagnosis related to motor-assisted motion of the source unit
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/54Control of apparatus or devices for radiation diagnosis
    • A61B6/548Remote control of the apparatus or devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/30Accessories, mechanical or electrical features
    • G01N2223/301Accessories, mechanical or electrical features portable apparatus
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/30Accessories, mechanical or electrical features
    • G01N2223/33Accessories, mechanical or electrical features scanning, i.e. relative motion for measurement of successive object-parts
    • G01N2223/3306Accessories, mechanical or electrical features scanning, i.e. relative motion for measurement of successive object-parts object rotates

Definitions

  • the invention relates to the technical field of X-ray imaging, in particular to a movable micro-focus multi-modal X-ray imaging device.
  • X-ray imaging device is a device that organizes objects on a screen or film to form an image based on the penetrability, fluorescence effect and photosensitive effect of X-rays. It is widely used in biology, medicine, and machining fields, such as biological tumors Observation experiments, texture testing of machined originals, drug quality experiments, etc.
  • the flat panel detector is connected to the computer through a network cable.
  • This connection cannot be connected to other related equipment. It is only suitable for independent use, and cannot be connected with microfocus X-ray tubes, scanning rotation devices, etc. It is not suitable for the comprehensive control requirements of the micro-focus multi-modal X-ray imaging system, which leads to the inability to realize some functions of the system, and in addition, the overall operation of the system is very inconvenient.
  • the purpose of the present invention is to provide a movable micro-focus multi-modal X-ray imaging device, which can effectively connect a plurality of functional devices and is convenient for operation and control.
  • a movable micro-focus multi-modal X-ray imaging device which includes a base plate and a shielding box, and an X-ray transmitter and an object scanning turntable are fixedly arranged above the base plate.
  • the controller is fixed on the outside of the shielding box, the controller is respectively connected with the X-ray generator, the object scanning turntable, and the detector circuit, the object scanning turntable is set between the X-ray transmitter and the detector, and the three are set on the same straight line.
  • the shielding box body is movably connected with the bottom plate to form a closed room, and the shielding box body is made of lead plate material.
  • the X-ray generator includes a micro-focus X-ray tube, a high-voltage transformer, and a cooling fan. Inside the detector, there are cesium iodide scintillators, an amorphous silicon photodiode array, a data transmission module, and a power supply module; the object scanning turntable is composed of a base, a It consists of a stepping motor and a turntable, and the object to be tested is fixed above the turntable.
  • the controller includes a microprocessor, a keyboard circuit, an on-screen display module, and a drive circuit.
  • the microprocessor is connected to the microfocus X-ray tube through a data line, the microprocessor is connected to the object scanning turntable through the drive circuit, and the detection is connected through an interface circuit.
  • the microprocessor controller is also connected with the keyboard circuit and the screen display module.
  • the controller also includes a reset circuit and a power supply circuit that are connected to the microprocessor, the RESET pin of the microprocessor is connected to the reset circuit, the X1 and X2 pins are connected to the crystal oscillator, and the power input end is provided with potentiometers RP1 and RP2.
  • the drive chip model of the drive circuit is SN75451BP; the microprocessor is connected to the motor of the object scanning turntable through the drive circuit, and the motor model of the object scanning turntable is 57BYG250.
  • the microprocessor selects a chip whose model is AT89C52-24; the model for the microfocus X-ray tube is L12161-01.
  • the screen display module is an LCD dot matrix liquid crystal, and the specific model is JLX256160, and its 11-18 pins are connected with the P20-P27 pins of the microprocessor through wires.
  • serial port circuit Also includes a serial port circuit
  • the serial port circuit is a conventional serial port conversion circuit
  • the serial port circuit model is MAX232
  • its 12 pins and 11 pins are respectively connected with the RXD and TXD pins of the microprocessor.
  • the pins are connected to the controller of the microfocus X-ray tube.
  • the keyboard circuit includes a U3 chip and a 5 ⁇ 8 keyboard array; the U3 chip is a programmable logic chip of model ISP1016E, which is connected to the microprocessor through wires.
  • the model of the detector controller is paxs1313dx, which is connected with the P10 and P11 pins of the microprocessor.
  • the screen display module is used to display the working parameters of the X-ray tube and the flat panel detector
  • the keyboard circuit is used to input various data control commands
  • the reset circuit is to enter the reset state when the microprocessor is powered on
  • the power circuit is to provide 5 Volt power supply
  • the serial port circuit is used to receive the data of the X-ray tube and send data to the X-ray tube
  • the interface circuit is used to send control commands to the detector and detect the working state of the detector
  • the drive circuit is used to control the object scanning turntable Rotation angle.
  • the microprocessor is the core of the whole circuit.
  • the microprocessor reads the working parameters of the X-ray tube through the interface circuit, reads the working state of the detector through the interface circuit, and outputs it to the LCD screen for display.
  • the state outputs the data or commands input through the keyboard to the X-ray tube through the serial port circuit, and outputs the detector through the interface circuit.
  • the rotation angle of the object state is controlled.
  • the working process of the present invention is as follows: (1) placing the object to be imaged; (2) the controller reads the working data of the X-ray emitter and the detector, and displays it on the liquid crystal display; (3) adjusts the system parameters according to the imaging object : Set the X-ray tube voltage (kV) through the number keys; set the X-ray tube current (mA) through the number keys; select different imaging modes through the different mode keys; set the X-ray tube exposure time length through the number keys; Number keys to set the rotation angle of the object turntable; press the start key to start the X-ray tube exposure and emission; (4) when the acquisition is over, start the main imaging program and read the data; (5) image reconstruction and post-processing.
  • the present invention has a high degree of automation and is simple to operate.
  • the PAXSCAN 1310DX flat panel detector, the microfocus X-ray tube and the scanning rotation device are all connected to the automatic control device, so as to realize the coordinated automatic control of the whole system.
  • One-key operation is automatically and centrally controlled, which achieves the best combination of various equipment, improves operation efficiency, and eliminates operation errors; at the same time, it does not need to be equipped with a dedicated room, and a shielded box is set up, which lowers the requirements for the use environment.
  • FIG. 1 is a schematic structural diagram of the present invention
  • FIG. 2 is a schematic block diagram of the structure of the controller of the present invention
  • FIG. 3 is a circuit connection diagram of the controller of the present invention.
  • a movable micro-focus multi-modal X-ray imaging device comprises a base plate 1, a shielding box 2, an X-ray transmitter, an object scanning turntable 4 and a detector 5 are fixedly arranged above the base plate 1,
  • the controller 6 is fixedly arranged on the outside of the shielding box 2, and the controller 6 is respectively connected with the X-ray generator 3, the object scanning turntable 4, and the detector 5, and the object scanning turntable 4 is arranged between the X-ray transmitter and the detector 5. , the three are set on the same straight line.
  • the shielding box body 2 is movably connected with the bottom plate 1 to form a closed room.
  • the shielding box body 2 is made of lead plate and is provided with a movable door.
  • the X-ray generator 3 includes a micro-focus X-ray tube, a high-voltage transformer, and a cooling fan.
  • the detector 5 contains a cesium iodide scintillator, an amorphous silicon photodiode array, a data transmission module, and a power supply module.
  • the object scanning turntable 4 It consists of a base, a stepping motor, and a turntable, and the object to be tested is fixed above the turntable.
  • the controller 6 includes a microprocessor, a keyboard circuit, an on-screen display module, and a drive circuit.
  • the microprocessor is connected to the microfocus X-ray tube through a data line, and the microprocessor is connected to the object scanning turntable 4 through the drive circuit.
  • the detector controller is connected, and the microprocessor is also connected with the keyboard circuit and the screen display module.
  • the controller 6 also includes a reset circuit and a power supply circuit, which are connected to the microprocessor.
  • the RESET pin of the microprocessor is connected to the reset circuit.
  • the reset circuit is a typical power-on reset circuit.
  • the X1 and X2 pins are connected to a crystal oscillator, and the crystal oscillator Hertz is 11.0592 , the power input terminal is provided with potentiometers RP1, RP2.
  • the drive chip model of the drive circuit is SN75451BP; the microprocessor is connected to the motor of the object scanning turntable 4 through the drive circuit, and the motor model of the object scanning turntable 4 is 57BYG250.
  • the drive circuit includes drivers U4 and U5.
  • the unprocessed P12 and P13 pins are connected with wires, and the input end of U5 is connected with the P14 and P15 pins of the microprocessor.
  • the microprocessor selects a chip whose model is AT89C52-24; the model for the microfocus X-ray tube is L12161-01.
  • the screen display module is an LCD dot matrix liquid crystal, and the specific model is JLX256160, and its 11-18 pins are connected with the P20-P27 pins of the microprocessor through wires.
  • serial port circuit Also includes a serial port circuit
  • the serial port circuit is a conventional serial port conversion circuit
  • the serial port circuit model is MAX232
  • its 12 pins and 11 pins are respectively connected with the RXD and TXD pins of the microprocessor.
  • the pins are connected to the controller of the microfocus X-ray tube.
  • the keyboard circuit includes a U3 chip and a 5 ⁇ 8 keyboard array; the U3 chip is a programmable logic chip of model ISP1016E, which is connected to the microprocessor through wires. Specifically, its 3-10 pins are connected to the microprocessor. The P00-P07 pins are wired for connection.
  • the model of the detector controller is paxs1313dx, which is connected with the P10 and P11 pins of the microprocessor.
  • the screen display module is used to display the working parameters of the X-ray tube and the flat panel detector 5.
  • the keyboard circuit is used to input various data control commands. 5V power supply, the serial port circuit is used to receive data from the X-ray tube and send data to the X-ray tube, the interface circuit is used to send control commands to the detector 5 and detect the working state of the detector 5, and the drive circuit is used to control the object The rotation angle of the scanning turntable 4 .
  • the microprocessor is the core of the whole circuit. The microprocessor reads the working parameters of the X-ray tube through the interface circuit, reads the working state of the detector 5 through the interface circuit, and outputs the output to the liquid crystal display for display. The state of the circuit outputs the data or commands input through the keyboard to the X-ray tube through the serial port circuit, respectively, and outputs the detector 5 through the interface circuit. Through the drive circuit, the rotation angle of the object state is controlled.

Abstract

A movable micro-focus multi-mode X-ray imaging device. The X-ray imaging device comprises a bottom plate (1) and a shielding box (2), wherein an X-ray generator (3), an object scanning rotary table (4) and a detector (5) are fixedly arranged above the bottom plate (1); a controller (6) is fixedly arranged on an outer side of the shielding box (2); the controller (6) is in circuit connection with the X-ray generator (3), the object scanning rotary table (4) and the detector (5), respectively; the object scanning rotary table (4) is arranged between the X-ray generator (3) and the detector (5), and the X-ray generator, the detector and the object scanning rotary table are arranged on the same line; and a PAXSCAN 1310DX flat panel detector (5), a micro-focus X-ray tube and a scanning rotating device are all connected to an automatic control device. The X-ray imaging device achieves the mutual coordination and automatic control of the whole system, a one-key operation for automatic centralized control, and the optimal combination of all the apparatuses, thereby improving the operation efficiency and eliminating operation errors. In addition, there is no need to provide a special room, and one shielding box (2) is provided, which reduces the requirement for an operating environment.

Description

一种可移动式微焦点多模态X线成像装置A movable microfocus multimodal X-ray imaging device 技术领域technical field
本发明涉及X线成像技术领域,具体为一种可移动式微焦点多模态X线成像装置。The invention relates to the technical field of X-ray imaging, in particular to a movable micro-focus multi-modal X-ray imaging device.
背景技术Background technique
X线成像装置,是基于X线的穿透性、荧光效应和感光效应,将物体组织在荧屏上或胶片上形成影像的设备,在生物、医学领域、机械加工领域具有广泛应用,比如生物肿瘤观察实验,机加工原件纹理测试、药物质量实验等。X-ray imaging device is a device that organizes objects on a screen or film to form an image based on the penetrability, fluorescence effect and photosensitive effect of X-rays. It is widely used in biology, medicine, and machining fields, such as biological tumors Observation experiments, texture testing of machined originals, drug quality experiments, etc.
技术问题technical problem
现有的X线成像装置是把平板探测器是通过网线连接电脑,此种连接无法连接其它相关设备,只适用于单独使用,不能与微焦点X线管、扫描旋转装置等实现连接,无法同步进行工作,不适应微焦点多模态X线成像系统的综合控制要求,导致系统某些功能无法实现,另外导致系统整体操作非常不便。In the existing X-ray imaging device, the flat panel detector is connected to the computer through a network cable. This connection cannot be connected to other related equipment. It is only suitable for independent use, and cannot be connected with microfocus X-ray tubes, scanning rotation devices, etc. It is not suitable for the comprehensive control requirements of the micro-focus multi-modal X-ray imaging system, which leads to the inability to realize some functions of the system, and in addition, the overall operation of the system is very inconvenient.
技术解决方案technical solutions
本发明的目的就是要提供一种可移动式微焦点多模态X线成像装置,可将多个功能设备有效的连接,便于操作控制。The purpose of the present invention is to provide a movable micro-focus multi-modal X-ray imaging device, which can effectively connect a plurality of functional devices and is convenient for operation and control.
为实现上述发明目的,本发明所采取的技术方案为:一种可移动式微焦点多模态X线成像装置,它包括底板、屏蔽箱体,底板上方固定设置有X线发射器、物体扫描转台、探测器,控制器固定设置在屏蔽箱体外侧,控制器分别与X线发生器、物体扫描转台、探测器电路连接,物体扫描转台设置在X线发射器和探测器之间,三者设置在同一条直线上。In order to achieve the above purpose of the invention, the technical solution adopted in the present invention is: a movable micro-focus multi-modal X-ray imaging device, which includes a base plate and a shielding box, and an X-ray transmitter and an object scanning turntable are fixedly arranged above the base plate. , detector, the controller is fixed on the outside of the shielding box, the controller is respectively connected with the X-ray generator, the object scanning turntable, and the detector circuit, the object scanning turntable is set between the X-ray transmitter and the detector, and the three are set on the same straight line.
所述的屏蔽箱体与底板活动连接,构成密闭室,所述的屏蔽箱体为铅板材质。The shielding box body is movably connected with the bottom plate to form a closed room, and the shielding box body is made of lead plate material.
所述的X线发生器包括微焦点X线管、高压变压器、冷却风扇,探测器内部有碘化铯闪烁体、非晶硅光电二极管阵列、数据传输模块、电源模块;物体扫描转台由底座、步进电机、转台组成,转台上方固定被测试物体。The X-ray generator includes a micro-focus X-ray tube, a high-voltage transformer, and a cooling fan. Inside the detector, there are cesium iodide scintillators, an amorphous silicon photodiode array, a data transmission module, and a power supply module; the object scanning turntable is composed of a base, a It consists of a stepping motor and a turntable, and the object to be tested is fixed above the turntable.
所述的控制器包括微处理器、键盘电路、屏显模块、驱动电路,微处理器通过数据线与微焦点X线管连接,微处理器通过驱动电路连接物体扫描转台,通过接口电路连接探测器控制器,微处理器还与键盘电路、屏显模块连接。The controller includes a microprocessor, a keyboard circuit, an on-screen display module, and a drive circuit. The microprocessor is connected to the microfocus X-ray tube through a data line, the microprocessor is connected to the object scanning turntable through the drive circuit, and the detection is connected through an interface circuit. The microprocessor controller is also connected with the keyboard circuit and the screen display module.
该控制器还包括复位电路和电源电路与微处理器连接,微处理器的RESET引脚连接复位电路,X1、X2引脚连接晶振,电源输入端设置有电位器RP1、RP2。The controller also includes a reset circuit and a power supply circuit that are connected to the microprocessor, the RESET pin of the microprocessor is connected to the reset circuit, the X1 and X2 pins are connected to the crystal oscillator, and the power input end is provided with potentiometers RP1 and RP2.
所述的驱动电路的驱动芯片型号为SN75451BP;微处理器通过驱动电路连接物体扫描转台的电机,所述的物体扫描转台电机型号为57BYG250。The drive chip model of the drive circuit is SN75451BP; the microprocessor is connected to the motor of the object scanning turntable through the drive circuit, and the motor model of the object scanning turntable is 57BYG250.
所述的微处理器选用型号为AT89C52-24的芯片;所述的微焦点X线管的型号为L12161-01。The microprocessor selects a chip whose model is AT89C52-24; the model for the microfocus X-ray tube is L12161-01.
所述的屏显模块为LCD点阵液晶,具体型号为JLX256160,其11-18引脚通过导线与微处理器的P20-P27引脚连接。The screen display module is an LCD dot matrix liquid crystal, and the specific model is JLX256160, and its 11-18 pins are connected with the P20-P27 pins of the microprocessor through wires.
还包括串口电路,所述的串口电路为常规的串口转换电路,串口电路的型号为为MAX232,其12引脚、11引脚分别与微处理器的RXD、TXD引脚连接,其13、14引脚与微焦点X线管的控制器连接。Also includes a serial port circuit, the serial port circuit is a conventional serial port conversion circuit, the serial port circuit model is MAX232, and its 12 pins and 11 pins are respectively connected with the RXD and TXD pins of the microprocessor. The pins are connected to the controller of the microfocus X-ray tube.
所述的键盘电路包括U3芯片和键盘阵列5×8;所述的U3芯片为型号ISP1016E的可编程逻辑芯片,通过导线与微处理器连接。The keyboard circuit includes a U3 chip and a 5×8 keyboard array; the U3 chip is a programmable logic chip of model ISP1016E, which is connected to the microprocessor through wires.
所述的探测器控制器的型号为paxs1313dx,其与微处理器的P10、P11引脚电路连接。The model of the detector controller is paxs1313dx, which is connected with the P10 and P11 pins of the microprocessor.
屏显模块用来显示X线管和平板探测器的工作参数,键盘电路是用来输入各种数据控制命令,复位电路是微处理器在通电时进入复位状态,电源电路是给整个电路提供5伏电源,串口电路是用来接收X线管的数据和向X线管发送数据,接口电路是为了向探测器发控制命令和检测探测器的工作状态,驱动电路是用来控制物体扫描转台的旋转角度。微处理器是整个电路的核心,微处理器通过接口电路读取 X线管的工作参数,通过接口电路读取探测器的工作状态,输出到液晶显示屏显示出来,微处理器通过检测键盘电路的状态把通过键盘输入的数据或命令分别通过串口电路输出到X线管通过接口电路输出了探测器通过驱动电路,控制物体状态的转动角度。The screen display module is used to display the working parameters of the X-ray tube and the flat panel detector, the keyboard circuit is used to input various data control commands, the reset circuit is to enter the reset state when the microprocessor is powered on, and the power circuit is to provide 5 Volt power supply, the serial port circuit is used to receive the data of the X-ray tube and send data to the X-ray tube, the interface circuit is used to send control commands to the detector and detect the working state of the detector, and the drive circuit is used to control the object scanning turntable Rotation angle. The microprocessor is the core of the whole circuit. The microprocessor reads the working parameters of the X-ray tube through the interface circuit, reads the working state of the detector through the interface circuit, and outputs it to the LCD screen for display. The state outputs the data or commands input through the keyboard to the X-ray tube through the serial port circuit, and outputs the detector through the interface circuit. Through the drive circuit, the rotation angle of the object state is controlled.
本发明的工作过程为:(1)摆放待成像物体;(2)控制器读取X线发射器和探测器的工作数据,并显示在液晶显示器上;(3)根据成像物体调整系统参数:通过数字按键设置X线管管电压(kV);通过数字按键设置X线管管电流(mA);过不同的模式按键选择不同的成像模式;通过数字键设置X线管曝光时间长度;通过数字键设置物体转台的旋转角度;按启动键启动X线管曝光发射;(4)采集结束,启动成像主程序,读取数据;(5)图像重建与后处理。The working process of the present invention is as follows: (1) placing the object to be imaged; (2) the controller reads the working data of the X-ray emitter and the detector, and displays it on the liquid crystal display; (3) adjusts the system parameters according to the imaging object : Set the X-ray tube voltage (kV) through the number keys; set the X-ray tube current (mA) through the number keys; select different imaging modes through the different mode keys; set the X-ray tube exposure time length through the number keys; Number keys to set the rotation angle of the object turntable; press the start key to start the X-ray tube exposure and emission; (4) when the acquisition is over, start the main imaging program and read the data; (5) image reconstruction and post-processing.
有益效果beneficial effect
本发明的有益效果为:本发明的自动化程度高,操作简单,把PAXSCAN 1310DX平板探测器、微焦点X线管、扫描旋转装置都连接到自动控制装置上,实现整个系统的相互协调自动控制,一键操作自动集中控制,把各个设备实现最佳组合,提高了操作效率,杜绝操作失误;同时不需要配备专用的房间,设置一个屏蔽箱体,对使用环境要求低降低。The beneficial effects of the present invention are as follows: the present invention has a high degree of automation and is simple to operate. The PAXSCAN 1310DX flat panel detector, the microfocus X-ray tube and the scanning rotation device are all connected to the automatic control device, so as to realize the coordinated automatic control of the whole system. One-key operation is automatically and centrally controlled, which achieves the best combination of various equipment, improves operation efficiency, and eliminates operation errors; at the same time, it does not need to be equipped with a dedicated room, and a shielded box is set up, which lowers the requirements for the use environment.
附图说明Description of drawings
图1为本发明结构示意图;图2为本发明控制器结构原理框图;图3为本发明控制器电路连接图。FIG. 1 is a schematic structural diagram of the present invention; FIG. 2 is a schematic block diagram of the structure of the controller of the present invention; and FIG. 3 is a circuit connection diagram of the controller of the present invention.
1-底板,2-屏蔽箱体,3-X线发生器,4-物体扫描转台,5-探测器,6-控制器。1- Bottom plate, 2- Shielded box, 3- X-ray generator, 4- Object scanning turntable, 5- Detector, 6- Controller.
本发明的最佳实施方式BEST MODE FOR CARRYING OUT THE INVENTION
这里将详细地对示例性实施例进行说明,其示例表示在附图中,下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings, and when the following description refers to the drawings, the same numerals in the different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with the present invention.
如附图所示的一种可移动式微焦点多模态X线成像装置,它包括底板1、屏蔽箱体2,底板1上方固定设置有X线发射器、物体扫描转台4、探测器5,控制器6固定设置在屏蔽箱体2外侧,控制器6分别与X线发生器3、物体扫描转台4、探测器5电路连接,物体扫描转台4设置在X线发射器和探测器5之间,三者设置在同一条直线上。As shown in the accompanying drawings, a movable micro-focus multi-modal X-ray imaging device comprises a base plate 1, a shielding box 2, an X-ray transmitter, an object scanning turntable 4 and a detector 5 are fixedly arranged above the base plate 1, The controller 6 is fixedly arranged on the outside of the shielding box 2, and the controller 6 is respectively connected with the X-ray generator 3, the object scanning turntable 4, and the detector 5, and the object scanning turntable 4 is arranged between the X-ray transmitter and the detector 5. , the three are set on the same straight line.
所述的屏蔽箱体2与底板1活动连接,构成密闭室,所述的屏蔽箱体2为铅板材质,设置有活动门。The shielding box body 2 is movably connected with the bottom plate 1 to form a closed room. The shielding box body 2 is made of lead plate and is provided with a movable door.
所述的X线发生器3包括微焦点X线管、高压变压器、冷却风扇,探测器5内部有碘化铯闪烁体、非晶硅光电二极管阵列、数据传输模块、电源模块;物体扫描转台4由底座、步进电机、转台组成,转台上方固定被测试物体。The X-ray generator 3 includes a micro-focus X-ray tube, a high-voltage transformer, and a cooling fan. The detector 5 contains a cesium iodide scintillator, an amorphous silicon photodiode array, a data transmission module, and a power supply module. The object scanning turntable 4 It consists of a base, a stepping motor, and a turntable, and the object to be tested is fixed above the turntable.
所述的控制器6包括微处理器、键盘电路、屏显模块、驱动电路,微处理器通过数据线与微焦点X线管连接,微处理器通过驱动电路连接物体扫描转台4,通过接口电路连接探测器控制器,微处理器还与键盘电路、屏显模块连接。The controller 6 includes a microprocessor, a keyboard circuit, an on-screen display module, and a drive circuit. The microprocessor is connected to the microfocus X-ray tube through a data line, and the microprocessor is connected to the object scanning turntable 4 through the drive circuit. The detector controller is connected, and the microprocessor is also connected with the keyboard circuit and the screen display module.
该控制器6还包括复位电路和电源电路与微处理器连接,微处理器的RESET引脚连接复位电路,复位电路为典型的上电复位电路,X1、X2引脚连接晶振,晶振赫兹为11.0592,电源输入端设置有电位器RP1、RP2。The controller 6 also includes a reset circuit and a power supply circuit, which are connected to the microprocessor. The RESET pin of the microprocessor is connected to the reset circuit. The reset circuit is a typical power-on reset circuit. The X1 and X2 pins are connected to a crystal oscillator, and the crystal oscillator Hertz is 11.0592 , the power input terminal is provided with potentiometers RP1, RP2.
所述的驱动电路的驱动芯片型号为SN75451BP;微处理器通过驱动电路连接物体扫描转台4的电机,所述的物体扫描转台4电机型号为57BYG250,驱动电路包括驱动器U4、U5,U4输入端与未处理的P12、P13引脚导线连接,U5的输入端与微处理器的P14、P15引脚导线连接。The drive chip model of the drive circuit is SN75451BP; the microprocessor is connected to the motor of the object scanning turntable 4 through the drive circuit, and the motor model of the object scanning turntable 4 is 57BYG250. The drive circuit includes drivers U4 and U5. The unprocessed P12 and P13 pins are connected with wires, and the input end of U5 is connected with the P14 and P15 pins of the microprocessor.
所述的微处理器选用型号为AT89C52-24的芯片;所述的微焦点X线管的型号为L12161-01。The microprocessor selects a chip whose model is AT89C52-24; the model for the microfocus X-ray tube is L12161-01.
所述的屏显模块为LCD点阵液晶,具体型号为JLX256160,其11-18引脚通过导线与微处理器的P20-P27引脚连接。The screen display module is an LCD dot matrix liquid crystal, and the specific model is JLX256160, and its 11-18 pins are connected with the P20-P27 pins of the microprocessor through wires.
还包括串口电路,所述的串口电路为常规的串口转换电路,串口电路的型号为为MAX232,其12引脚、11引脚分别与微处理器的RXD、TXD引脚连接,其13、14引脚与微焦点X线管的控制器连接。Also includes a serial port circuit, the serial port circuit is a conventional serial port conversion circuit, the serial port circuit model is MAX232, and its 12 pins and 11 pins are respectively connected with the RXD and TXD pins of the microprocessor. The pins are connected to the controller of the microfocus X-ray tube.
所述的键盘电路包括U3芯片和键盘阵列5×8;所述的U3芯片为型号ISP1016E的可编程逻辑芯片,通过导线与微处理器连接,具体的,其3-10引脚与微处理器的P00-P07引脚导线连接。The keyboard circuit includes a U3 chip and a 5×8 keyboard array; the U3 chip is a programmable logic chip of model ISP1016E, which is connected to the microprocessor through wires. Specifically, its 3-10 pins are connected to the microprocessor. The P00-P07 pins are wired for connection.
所述的探测器控制器的型号为paxs1313dx,其与微处理器的P10、P11引脚电路连接。The model of the detector controller is paxs1313dx, which is connected with the P10 and P11 pins of the microprocessor.
屏显模块用来显示X线管和平板探测器5的工作参数,键盘电路是用来输入各种数据控制命令,复位电路是微处理器在通电时进入复位状态,电源电路是给整个电路提供5伏电源,串口电路是用来接收X线管的数据和向X线管发送数据,接口电路是为了向探测器5发控制命令和检测探测器5的工作状态,驱动电路是用来控制物体扫描转台4的旋转角度。微处理器是整个电路的核心,微处理器通过接口电路读取 X线管的工作参数,通过接口电路读取探测器5的工作状态,输出到液晶显示屏显示出来,微处理器通过检测键盘电路的状态把通过键盘输入的数据或命令分别通过串口电路输出到X线管通过接口电路输出了探测器5通过驱动电路,控制物体状态的转动角度。The screen display module is used to display the working parameters of the X-ray tube and the flat panel detector 5. The keyboard circuit is used to input various data control commands. 5V power supply, the serial port circuit is used to receive data from the X-ray tube and send data to the X-ray tube, the interface circuit is used to send control commands to the detector 5 and detect the working state of the detector 5, and the drive circuit is used to control the object The rotation angle of the scanning turntable 4 . The microprocessor is the core of the whole circuit. The microprocessor reads the working parameters of the X-ray tube through the interface circuit, reads the working state of the detector 5 through the interface circuit, and outputs the output to the liquid crystal display for display. The state of the circuit outputs the data or commands input through the keyboard to the X-ray tube through the serial port circuit, respectively, and outputs the detector 5 through the interface circuit. Through the drive circuit, the rotation angle of the object state is controlled.
以上所述的本发明实施方式,并不构成对本发明保护范围的限定。任何在本发明的精神和原则之内所作的修改、等同替换和改进等,均应包含在本发明的保护范围之内。The embodiments of the present invention described above do not limit the protection scope of the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

  1. 一种可移动式微焦点多模态X线成像装置,其特征在于:它包括底板、屏蔽箱体,底板上方固定设置有X线发射器、物体扫描转台、探测器,控制器固定设置在屏蔽箱体外侧,控制器分别与X线发生器、物体扫描转台、探测器电路连接,物体扫描转台设置在X线发射器和探测器之间,三者设置在同一条直线上。A movable micro-focus multi-mode X-ray imaging device is characterized in that: it comprises a base plate and a shielding box, an X-ray transmitter, an object scanning turntable and a detector are fixedly arranged above the base plate, and a controller is fixedly arranged in the shielding box Outside the body, the controller is respectively connected with the X-ray generator, the object scanning turntable, and the detector circuit. The object scanning turntable is arranged between the X-ray transmitter and the detector, and the three are arranged on the same straight line.
  2. 根据权利要求1所述的可移动式微焦点多模态X线成像装置,其特征在于:所述的屏蔽箱体与底板活动连接,构成密闭室,所述的屏蔽箱体为铅板材质;所述的X线发生器包括微焦点X线管、高压变压器、冷却风扇,探测器内部有碘化铯闪烁体、非晶硅光电二极管阵列、数据传输模块、电源模块;物体扫描转台由底座、步进电机、转台组成,转台上方固定被测试物体。The movable micro-focus multi-modal X-ray imaging device according to claim 1, wherein the shielding box is movably connected with the bottom plate to form a closed room, and the shielding box is made of lead plate material; The X-ray generator described includes a micro-focus X-ray tube, a high-voltage transformer, a cooling fan, and a cesium iodide scintillator, an amorphous silicon photodiode array, a data transmission module, and a power supply module inside the detector; the object scanning turntable consists of a base, a step It is composed of an input motor and a turntable, and the object to be tested is fixed above the turntable.
  3. 一种可移动式微焦点多模态X线成像装置,其特征在于:所述的控制器包括微处理器、键盘电路、屏显模块、驱动电路,微处理器通过数据线与微焦点X线管连接,微处理器通过驱动电路连接物体扫描转台,通过接口电路连接探测器控制器,微处理器还与键盘电路、屏显模块连接。A movable micro-focus multi-modal X-ray imaging device, characterized in that: the controller includes a microprocessor, a keyboard circuit, a screen display module, and a drive circuit, and the microprocessor communicates with the micro-focus X-ray tube through a data line The microprocessor is connected to the object scanning turntable through the drive circuit, the detector controller is connected through the interface circuit, and the microprocessor is also connected to the keyboard circuit and the screen display module.
  4. 根据权利要求3所述的可移动式微焦点多模态X线成像装置,其特征在于:该装置还包括复位电路和电源电路与微处理器连接。The movable microfocus multimodal X-ray imaging device according to claim 3, wherein the device further comprises a reset circuit and a power supply circuit connected to the microprocessor.
  5. 根据权利要求4所述的可移动式微焦点多模态X线成像装置,其特征在于:微处理器的RESET引脚连接复位电路,X1、X2引脚连接晶振,电源电路设置有电位器RP1、RP2。The movable micro-focus multi-modal X-ray imaging device according to claim 4, wherein the RESET pin of the microprocessor is connected to the reset circuit, the X1 and X2 pins are connected to the crystal oscillator, and the power circuit is provided with potentiometers RP1, RP2.
  6. 根据权利要求3所述的可移动式微焦点多模态X线成像装置,其特征在于:所述的驱动电路的驱动芯片型号为SN75451BP;微处理器通过驱动电路连接物体扫描转台的电机,所述的物体扫描转台电机型号为57BYG250。The movable micro-focus multi-modal X-ray imaging device according to claim 3, characterized in that: the driving chip model of the driving circuit is SN75451BP; the microprocessor is connected to the motor of the object scanning turntable through the driving circuit, and the The object scanning turntable motor model is 57BYG250.
  7. 根据权利要求3所述的可移动式微焦点多模态X线成像装置,其特征在于:所述的微处理器选用型号为AT89C52-24的芯片;所述的屏显模块为LCD点阵液晶,具体型号为JLX256160,其11-18引脚通过导线与微处理器的P20-P27引脚连接。The movable micro-focus multi-modal X-ray imaging device according to claim 3, wherein the microprocessor selects a chip with a model of AT89C52-24; the screen display module is an LCD dot matrix liquid crystal, The specific model is JLX256160, and its 11-18 pins are connected with the P20-P27 pins of the microprocessor through wires.
  8. 根据权利要求3所述的可移动式微焦点多模态X线成像装置,其特征在于:还包括串口电路,所述的串口电路为常规的串口转换电路,串口电路的型号为为MAX232,其12引脚、11引脚分别与微处理器的RXD、TXD引脚连接,其13、14引脚与微焦点X线管的控制器连接。The movable micro-focus multimodal X-ray imaging device according to claim 3, further comprising a serial port circuit, the serial port circuit is a conventional serial port conversion circuit, and the model of the serial port circuit is MAX232, and its 12 The pins and 11 pins are respectively connected with the RXD and TXD pins of the microprocessor, and the 13 and 14 pins are connected with the controller of the microfocus X-ray tube.
  9. 根据权利要求3所述的可移动式微焦点多模态X线成像装置,其特征在于:所述的键盘电路包括U3芯片和键盘阵列5×8;所述的U3芯片为型号ISP1016E的可编程逻辑芯片,通过导线与微处理器连接。The movable microfocus multimodal X-ray imaging device according to claim 3, wherein the keyboard circuit comprises a U3 chip and a 5×8 keyboard array; the U3 chip is a programmable logic model of ISP1016E The chip is connected to the microprocessor through wires.
  10. 根据权利要求3所述的可移动式微焦点多模态X线成像装置,其特征在于:所述的探测器控制器的型号为paxs1313dx,其与微处理器的P10、P11引脚电路连接。The movable micro-focus multi-modal X-ray imaging device according to claim 3, wherein the detector controller has a model of paxs1313dx, which is connected to the P10 and P11 pins of the microprocessor.
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CN112957058A (en) * 2021-01-21 2021-06-15 山东第一医科大学(山东省医学科学院) Movable microfocus multi-mode X-ray imaging device

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