CN104055531B - A kind of control device of Intelligent medical X ray light concentrator - Google Patents
A kind of control device of Intelligent medical X ray light concentrator Download PDFInfo
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- CN104055531B CN104055531B CN201310090281.XA CN201310090281A CN104055531B CN 104055531 B CN104055531 B CN 104055531B CN 201310090281 A CN201310090281 A CN 201310090281A CN 104055531 B CN104055531 B CN 104055531B
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- light concentrator
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Abstract
The present invention is a kind of control device of medical X-ray light concentrator based on CAN bus. Under manual mode, with encoder, as the knob of setting light concentrator blade displacement amount, encoder to count is read and is outputed to microprocessor by CPLD, drives corresponding stepper motor to drag blade and arrives desired location, and status information sends in CAN bus simultaneously. Under automatic mode, all control instructions and status information send to respectively separately by node that microprocessor mainboard is carried out by CAN bus and feedback states to CAN bus. Node software is supported online upgrading.
Description
Technical field
The invention belongs to the control device of medical X-ray light concentrator.
Background technology
Medical X-ray light concentrator for the constraint of X ray, makes the patient of being irradiated on clinical radiation and diagnostic deviceObtain and meet the image that clinical diagnosis requires with minimum dose of radiation.
Existing light concentrator control adopts single-chip microcomputer and host computer to be undertaken by the mode of serial communication conventionally, asDigital light concentrator described in ZL200520114674.0. When its shortcoming is to design, only expect the control of light concentrator and do not have handleLight concentrator control considers as a subsystem of X-ray equipment, and information packet loss easily appears in serial communication, especially will restraintWhen light device is integrated into system equipment, the complexity of communication can make serial communication reliability ensure. This has developed reality in the pastIn trampling, there is lesson.
Light concentrator has high requirements to ease for use, interactivity, real-time, accuracy, reliability, security, especially applicationIn the diagnosis and treatment of cardiovascular and cerebrovascular disease, support man-machine interface, real-time Communication for Power, instruction control, status information to designCrucial.
Summary of the invention
The invention provides the device of a kind of medical X-ray light concentrator based on the total line traffic control of CAN, object is to realize Shu GuangDevice function and system equipment control integrated.
Fig. 1 is the light concentrator control system structure chart the present invention relates to. It comprises:
Encoder 1: the displacement of setting height blade;
Encoder 22: the displacement of setting width leaves and iris;
CPLD device 3: the setting signal input that the blade that manual rotation encoder one and encoder two produce will moveGive this device, this device is inputted through data/address bus after eliminating the distortion noise producing because of manual rotation encoder one and encoder twoTo microprocessor mainboard 1;
Control panel 4: by by key control Halogen lamp LED, SID(focus to image receiving plane distance) increase and decrease, automatic/handPattern switches, selects filter line device to filter sheet;
LCD shows 5: show that SID, height blade and width leaves opening size, filter line device filter sheet selection mode, Shu GuangDevice state, light concentrator position of rotation, automatic/hand state;
Microprocessor mainboard 1: support CAN bus online upgrading as independent CAN node, process the defeated of CPLD device 3Go out data, control demonstration and output to CPLD device 3, receive temperature sensor 7, height and width leaves limit sensors 10, filterLine sensor 11, iris stop 12, light concentrator turn-sensitive device 13 signals judgement are processed, and control laser locator 8, heat radiationFan 9, DAP (doseareaproduct) dose area product interface 14, RS232/RS485 serial ports 15, usb 16, withToo network interface 17 is worked, and drives height blade driving motor 18, width leaves drive motors 19, iris-driven motor 20 to drag heightDegree, width and iris blade be to the desired location of encoder 1, encoder 22 or CAN bus 23, according to control panel 4 orThe setting that CAN bus 23 filters sheet to filter line device drives filter line device drive motors 21 to select to filter sheet, feeds back by CAN interface 22State is to CAN bus 23;
Temperature sensor 7: survey light concentrator operating temperature;
Laser locator 8: laser positioning human exposure position;
Radiator fan 9: light concentrator internal heat dissipating;
Height and width leaves limit sensors 10: for the maximum moving distance of maximum height limit and width leaves;
Filter line sensor 11: the selection mode of surveying filter line device filtration sheet;
Iris stop 12: for limiting the maximum open position of iris;
Light concentrator turn-sensitive device 13: survey light concentrator position of rotation;
DAP (doseareaproduct) dose area product interface 14: connect according to the reserved of European Union and Code of Federal RegulationsMouthful;
RS232/RS485 serial ports 15: reserved serial ports is for service function;
Usb 16: for service function;
Ethernet interface 17: for service function;
Height blade driving motor 18: drive pair of parallel blade to move in short transverse;
Width leaves drive motors 19: drive pair of parallel blade to move on width;
Iris-driven motor 20: drive iris expand or dwindle;
Filter line device drive motors 21: drive filter line device to filter the selection of sheet according to control signal;
CAN interface 22;
CAN bus 23;
Microprocessor mainboard 2 24: support CAN bus online upgrading as independent CAN node, receive wedging plate sensor25 signals judgement are processed, and have driven corresponding wedge according to CAN instruction control wedging plate drive motors 26,27,28,29,30,31Entering plate moves or turns to desired location, by CAN interface 22 feedback states to CAN bus 23;
Wedging plate sensor 25: the restriction site of surveying wedging plate;
1# wedging plate drive motors A26;
1# wedging plate drive motors B27;
2# wedging plate drive motors A28;
2# wedging plate drive motors B29;
3# wedging plate drive motors A30;
3# wedging plate drive motors B31;
Data/address bus 32.
CAN bus is as the network platform of communicating by letter between light concentrator internal node and system equipment, transfer instruction and state letterBreath comprises:
Mode of operation: from the large small mode of motion tracking image receiving plane and manual mode; Height blade, width leaves, irisBlade, wedging Board position information and movement/rotating object set positions; Error message; DAP information; Light concentrator position of rotation; FilterLine device filters sheet and selects.
To the processor in each CAN node, its software program and setting parameter can pass through this node online upgrading or extensiveMultiple.
The invention has the beneficial effects as follows: simplified hardware as data acquisition, the output device of encoder knob with CPLDLogical design, has improved antijamming capability and accuracy; Two mainboards connect with CAN bus and are defined as respectively independently node dashes forwardGo out modularized design, can need to be combined into light concentrator series of products according to clinical function; The utilization of CAN bus is that system is establishedStandby by visual light concentrator parameter and provide condition with other subsystem co-ordination, be especially applicable to high-end cardiovascular and cerebrovascular and get involvedTherapeutic equipment uses the requirement to real-time; The function of support node on-line software updating or recovery has improved equipment serviceabilityAnd extend the product life cycle.
Brief description of the drawings
Fig. 1 light concentrator control system structure chart.
Detailed description of the invention
As the light concentrator control system structure chart of Fig. 1, realize light concentrator control concrete steps as follows:
1) under manual mode, hand rotation encoder 1, encoder 22 knobs, setting height, width and iris leafThe shift position of sheet, CPLD device 3 reads the counting of encoder 1, encoder 22, outputs to micro-processing through data/address bus 32Device mainboard 1 is controlled highly blade driving motor 18, width leaves drive motors 19, iris-driven motor 20 and is rotated, and drags heightDegree, width and iris blade are to corresponding desired location;
2) under manual mode, press the button on control panel 4, export respectively SID setting value, Halogen lamp LED ON/OFF,Laser locator, the signal of selecting from the switching of motion tracking image receiving plane size/manual mode, filter line device are adopted through CPLD device 3Collection is also input to microprocessor mainboard one 6 processing execution through data/address bus 32;
3) whether the signal controlling fan 9 of microprocessor mainboard one 6 detecting temperature sensors 7 works, and surveys height and wideDegree blade limit sensors 10, filter line sensor 11, iris stop 12, light concentrator turn-sensitive device 13 signals, determine respectivelyHighly, whether width, iris blade spacing, sends light concentrator rotary position information, filter line device filters sheet and selects information through dataBus 32 to CPLD devices 3 form demonstration data and send into LCD demonstration 5 demonstrations;
4) the CAN interface 22 of light concentrator status information on microprocessor mainboard 1 is sent to CAN bus 23;
5) under the large small mode of motion tracking image receiving plane, height blade, width leaves, iris blade and wedging buttressThe displacement/rotational instruction of setting according to image receiving plane size sends to respectively microprocessor mainboard 1 through CAN bus 23 by nodeWith microprocessor mainboard 2 24, to control and drive corresponding blade or wedging plate to move or turn to desired location, feedback states is to CANBus 23;
6) whether microprocessor mainboard 2 24 is surveyed wedging plate sensor 25 signals, determine spacing and by shape to wedging plateState feeds back to CAN bus 23;
7) under the large small mode of motion tracking image receiving plane, by CAN bus 23 send mode of operation, height blade set,Width leaves is set, iris blade is set, wedging plate is set, filter line device filters sheet selection, error message, DAP information to correspondingOn the microprocessor mainboard 1 of node or microprocessor mainboard 2 24, process and feedback states to CAN bus 23;
8) when the software on microprocessor mainboard 1 and microprocessor mainboard 2 24 and setting parameter need to be upgraded or extensiveWhen multiple, system end is by CAN bus 23, and the node of identification microprocessor mainboard 1 and microprocessor mainboard 2 24, divides by nodeSheng Ji or not recover the software program of microprocessor mainboard 1 and microprocessor mainboard 2 24.
Claims (5)
1. an Intelligent medical X ray light concentrator control device, it is by encoder one (1), encoder two (2), CPLD device(3), control panel (4), LCD show (5), microprocessor mainboard one (6), temperature sensor (7), laser locator (8), heat radiationFan (9), height and width leaves limit sensors (10), filter line sensor (11), iris stop (12), light concentrator rotationSensor (13), DAP dose area product interface (14), RS232/RS485 serial ports (15), USB interface (16), Ethernet interface(17), height blade driving motor (18), width leaves drive motors (19), iris-driven motor (20), filter line device drive electricityMachine (21), CAN interface (22), CAN bus (23), microprocessor mainboard two (24), wedging plate sensor (25), 1# wedging plate driveMoving motor A(26), 1# wedging plate drive motors B(27), 2# wedging plate drive motors A(28), 2# wedging plate drive motors B(29), 3# wedging plate drive motors A(30), 3# wedging plate drive motors B(31), data/address bus (32) forms, it is characterized in that:Temperature sensor (7) is surveyed light concentrator operating temperature, processes through microprocessor mainboard one (6), controls radiator fan (9); HighlyWith the maximum moving distance of width leaves limit sensors (10) for maximum height limit and width leaves; Iris stop (12) is usedIn the maximum open position of restriction iris; Filter line sensor (11) is surveyed the selection mode of filter line device filtration sheet; Light concentrator rotationSensor (13) is surveyed light concentrator position of rotation; Wedging plate sensor (25) is surveyed the restriction site of wedging plate.
2. medical X-ray light concentrator control device according to claim 1, is characterized in that: CAN bus (23) is as bundleThe network platform of communicating by letter between light device internal node and system equipment, instruction and the state of transmission comprise: mode of operation has automatically followsTrace is as receiving plane size and manual mode; Height blade, width leaves, iris blade, wedging Board position information and movement/turnMoving-target set positions; Error message; DAP information; Light concentrator position of rotation; Filter line device filters sheet and selects.
3. medical X-ray light concentrator control device according to claim 2, is characterized in that: manual mode workflow:
1) under manual mode, hand rotation encoder one (1), encoder two (2) knobs, setting height, width and iris leafThe shift position of sheet, CPLD device (3) reads the counting of encoder one (1), encoder two (2), exports through data/address bus (32)Control height blade driving motor (18), width leaves drive motors (19), iris-driven motor to microprocessor mainboard one (6)(20) rotate, drag height, width and iris blade to corresponding desired location;
2) under manual mode, press the button on control panel (4), export respectively SID setting value, Halogen lamp LED ON/OFF, laserLocator, the signal of selecting from the switching of motion tracking image receiving plane size/manual mode, filter line device gather through CPLD device (3)And be input to microprocessor mainboard one (6) processing execution through data/address bus (32);
3) whether the signal controlling radiator fan (9) of microprocessor mainboard one (6) detecting temperature sensor (7) works, and surveys highDegree and width leaves limit sensors (10), filter line sensor (11), iris stop (12), light concentrator turn-sensitive device (13)Signal, respectively whether Decision Height, width, iris blade be spacing, sends light concentrator rotary position information, filter line device filters sheet choosingThe information of selecting forms and shows that data show that to LCD (5) show to CPLD device (3) through data/address bus (32);
4) the CAN interface (22) of light concentrator status information on microprocessor mainboard one (6) is sent to CAN bus (23).
4. medical X-ray light concentrator control device according to claim 2, is characterized in that: receive from motion tracking imageFace size work pattern flow process:
1), under the large small mode of motion tracking image receiving plane, height blade, width leaves, iris blade and wedging buttress are according to imageThe displacement/rotational instruction that receiving plane size is set through CAN bus (23) by node send to respectively microprocessor mainboard one (6) andMicroprocessor mainboard two (24), controls and drives corresponding blade or wedging plate to move or turn to desired location, and feedback states is to CANBus (23);
2) whether microprocessor mainboard two (24) is surveyed wedging plate sensor (25) signals, determine spacing and by state to wedging plateFeed back to CAN bus (23);
3), under the large small mode of motion tracking image receiving plane, send mode of operation, height blade setting, wide by CAN bus (23)Degree blade is set, iris blade is set, wedging plate is set, filter line device filters sheet selection, error message, DAP information to corresponding jointOn the microprocessor mainboard one (6) of point or microprocessor mainboard two (24), processes also feedback states to CAN bus (23).
5. medical X-ray light concentrator control device according to claim 2, is characterized in that: when microprocessor mainboard one(6), when the software and on microprocessor mainboard two (24) and setting parameter need to upgrade or recover, system end is by CAN bus(23), the node of identification microprocessor mainboard one (6) and microprocessor mainboard two (24), upgrades respectively or recovers micro-place by nodeThe software program of reason device mainboard one (6) and microprocessor mainboard two (24).
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| CN201310090281.XA CN104055531B (en) | 2013-03-21 | 2013-03-21 | A kind of control device of Intelligent medical X ray light concentrator |
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| CN201310090281.XA CN104055531B (en) | 2013-03-21 | 2013-03-21 | A kind of control device of Intelligent medical X ray light concentrator |
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| CN104055531A CN104055531A (en) | 2014-09-24 |
| CN104055531B true CN104055531B (en) | 2016-05-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9417754B2 (en) | 2011-08-05 | 2016-08-16 | P4tents1, LLC | User interface system, method, and computer program product |
| CN109674487A (en) * | 2019-01-28 | 2019-04-26 | 飞瑞医疗器械(嘉兴)有限公司 | Manual beam-defining clipper |
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| CN1420353A (en) * | 2002-07-11 | 2003-05-28 | 沈阳东软数字医疗系统股份有限公司 | Intelligent scanning beam-defining clipper matched with ray source |
| CN2836727Y (en) * | 2005-11-23 | 2006-11-15 | 北京东方逸腾数码医疗设备技术有限公司 | Digital light beam unit |
| CN1969751A (en) * | 2005-11-23 | 2007-05-30 | 北京东方逸腾数码医疗设备技术有限公司 | Virtual control method of digital light concentrator |
| CN102783960A (en) * | 2012-08-24 | 2012-11-21 | 北京东方惠尔图像技术有限公司 | Beam limitation adjusting device and beam limitation adjusting method of rays and imaging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6694169B2 (en) * | 2001-02-22 | 2004-02-17 | Minrad Inc. | Targeting system and method of targeting |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1420353A (en) * | 2002-07-11 | 2003-05-28 | 沈阳东软数字医疗系统股份有限公司 | Intelligent scanning beam-defining clipper matched with ray source |
| CN2836727Y (en) * | 2005-11-23 | 2006-11-15 | 北京东方逸腾数码医疗设备技术有限公司 | Digital light beam unit |
| CN1969751A (en) * | 2005-11-23 | 2007-05-30 | 北京东方逸腾数码医疗设备技术有限公司 | Virtual control method of digital light concentrator |
| CN102783960A (en) * | 2012-08-24 | 2012-11-21 | 北京东方惠尔图像技术有限公司 | Beam limitation adjusting device and beam limitation adjusting method of rays and imaging device |
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Effective date of registration: 20191128 Address after: Room 305, no.153-15, Chuangxin Road, Hunnan District, Shenyang City, Liaoning Province Patentee after: Shenyang zhonghuiyida Technology Development Co., Ltd Address before: Wanliutang road in Shenhe District of Shenyang City, Liaoning Province, No. 63 426A 110015 Patentee before: SHENYANG FENGDIAN TECHNOLOGY CO., LTD. |
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