CN104490409A - Control device of U-shaped arm X-ray machine - Google Patents
Control device of U-shaped arm X-ray machine Download PDFInfo
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- CN104490409A CN104490409A CN201410568512.8A CN201410568512A CN104490409A CN 104490409 A CN104490409 A CN 104490409A CN 201410568512 A CN201410568512 A CN 201410568512A CN 104490409 A CN104490409 A CN 104490409A
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Abstract
A control device of a U-shaped arm X-ray machine comprises a first control unit and a second control unit, wherein the first control unit is connected with a display unit and a second motor control unit respectively; the second motor control unit controls the detector of the X-ray machine to move in the horizontal direction; the second control unit is connected with the first control unit, a first motor control unit and a third motor control unit; the first motor control unit controls the detector of the X-ray machine to move in the vertical direction; and the third motor control unit controls the detector of the X-ray machine to rotate. The control device provided by the invention adopts the two control unit to control the motor control units respectively; the first control unit is connected with the display unit so that an operator can see the operating state of equipment clearly at a glance to reduce personal errors; and through the adoption of the two control unit, the control device can avoid the circumstance that the equipment fails when a single control platform goes wrong, thereby guaranteeing the reliability and safety of the equipment.
Description
Technical field
The invention belongs to technical field of medical equipment, particularly relate to the control device that a kind of X-ray imaging device uses.
Background technology
X-ray instrument medical diagnosis is a kind of medical apparatus and instruments carrying out medical diagnosis by producing X-ray.X-ray is applied to medical diagnosis, mainly according to the penetration of X-ray, differential absorption, photosensitization and fluorescence.Due to X-ray through human body time, be subject to absorption in various degree, the amount that X-ray amount as bone absorption absorbs than muscle is many, so just different by the X-ray amount after human body, such Portable belt information of partes corporis humani's Density Distribution, thus on fluorescent screen or on photographic film the fluorescence caused on fluorescent screen or on photographic film or the power of photosensitization just have bigger difference, and (through development, fixing) will demonstrate the shade of different densities.The contrast deep or light according to shade, in conjunction with clinical manifestation, result of laboratory test and pathological diagnosis, can judge that whether a human body part is normal.
The control system of X-ray machine to be exposed to the sun light projection position shelf position, to ensure the image quality of x-ray image, so that doctor makes a definite diagnosis the state of an illness of sufferer for coordinating different x-ray.Existing X-ray machine often adopts the control device of single platform development, as single-chip microcomputer or PLC, controls X-ray machine.When only having a control device, if control device is out of control, then can affect imaging effect, thus affect the diagnosis of the state of an illness, even DR frame likely damages patient.In view of this, applicant think be necessary design a kind of control device that can improve X-ray machine operating reliability and safety.
Summary of the invention
The object of this invention is to provide a kind of control device improving the U-shaped arm X-ray machine of operating reliability and safety.
To achieve these goals, the present invention takes following technical solution:
A control device for U-shaped arm X-ray machine, comprising: the first control unit, and described first control unit is connected with display unit and the second motor control unit respectively, and described second motor control unit controls the detector movement in the horizontal direction of X-ray machine; The second control unit be connected with described first control unit, described second control unit is connected with the 3rd motor control unit with the first motor control unit, described first motor control unit controls the movement of the detector in the vertical direction of X-ray machine, and described 3rd motor control unit controls the rotary motion of the detector of X-ray machine.
Further, described first control unit is connected with described second control unit by RS232 Serial Port Line.
Further, described motor control unit comprises motor driver, direct current generator, position sensor and limit sensors, described motor driver is connected with the first control unit or the second control unit by control interface, and described direct current generator is connected with motor driver.
Further, described display unit is touching display screen.
Further, described first control unit employing model is the ARM9 processor of Samsung S3C2440A.
Further, described second control unit employing model is the AVR processor of ATmage32.
From above technical scheme, the present invention adopts two control units to control motor control unit respectively, and first control unit be connected with display unit, first control unit of two-way communication and the control instruction of the second control unit can be shown by display unit, make operator can be very clear for operational state, mistake is thought so that reduce, and situation about losing efficacy when adopting two control units that single parametric controller can be avoided to break down occurs, the reliability of support equipment and safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation of embodiment of the present invention motor control unit;
Fig. 3 and Fig. 4 is the schematic diagram of X-ray machine detector in the vertical direction movement;
Fig. 5 and Fig. 6 is the schematic diagram of X-ray machine detector movement in the horizontal direction;
Fig. 7 and Fig. 8 is the schematic diagram of X-ray machine detector rotary motion state;
Fig. 9 is the control principle drawing of the embodiment of the present invention.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in more detail.
Detailed description of the invention
As shown in Figure 1, the control device of the U-shaped arm X-ray machine of the embodiment of the present invention comprises the first control unit 1, second control unit 2, display unit 3, first motor control unit 4, second motor control unit 5 and the 3rd motor control unit 6.First control unit 1, by serial communication data line, as RS232 Serial Port Line is connected with the second control unit 2, realizes two-way communication between the first control unit 1 and the second control unit 2.First control unit 1 of the present embodiment adopts model to be the ARM9 processor of Samsung S3C2440A, and the second control unit 2 adopts model to be the AVR processor of ATmage32.First control unit 1 is connected with the second motor control unit 5 with display unit 3 respectively, and the four-line resistive touch screen of what the display unit 3 of the present embodiment adopted is 800x480, display unit can display device mode of operation.Second control unit 2 is connected with the first motor control unit 4 and the 3rd motor control unit 6 respectively.
Motor control unit is for controlling the motion of the detector of X-ray machine.The structure of first, second, third motor control unit of the present invention is identical, as shown in Figure 2, motor control unit comprises motor driver 10, direct current generator 11, position sensor 12 and limit sensors 13, motor driver 10 is connected with the first control unit or the second control unit by control interface, direct current generator 11 is connected with motor driver 10, operate under the control of motor driver 10, make the detector moving of X-ray machine.Position sensor 12 and limit sensors 13 are arranged in X-ray machine frame (not shown), and for responding to position of human body, position sensor and limit sensors are connected with control interface, transfer data to the first or second control unit by control interface.The structure of direct current generator of the present invention, electric-motor drive unit, position sensor, limit sensors and annexation are the conventional design of prior art, so further do not describe in detail and/or do not describe in a kind of detailed mode.As shown in Figure 3 and Figure 4, the direct current generator of the first motor control unit is for controlling moving up and down of detector 100 in the vertical direction, and namely FID (detector is to ground distance) moves; As shown in Figure 5 and Figure 6, the direct current generator of the second motor control unit is for controlling detector reciprocating motion in the horizontal direction, and namely SID (detector is to bulb distance) moves; As shown in Figure 7 and Figure 8, the direct current generator of the 3rd motor control unit is for controlling the rotary motion of detector.
As shown in Figure 9, the first control unit 1 of the present invention and the second control unit 2 carry out two-way communication by RS232, and communication message, through CRC check, guarantees real-time and the integrity of instruction.Operator sends control instruction by touch screen, and the first control unit 1 controls moving horizontally of detector by the second motor control unit 5, and the first control unit 1 is connected with display unit 3, and its mode of operation is shown by display unit 3; Operator sends control instruction by button, second control unit 2 controls vertical movement and the rotary motion of detector by the first motor control unit 4 and the 3rd motor control unit 6, its operational order is by the communication with the first control unit, display unit is passed to by the first control unit, mode of operation is shown by display unit 3 equally, simultaneously, position signalling is fed back to the first control unit and the second control unit by the position sensor in electric-motor drive unit and limit sensors, and is shown by display unit.The operation of the first control unit and the second control unit and location status are shown by display unit by the present invention, handled easily person can carry out confirmation monitoring to operational order, to avoid maloperation, adopt the first control unit to control separately the second electric-motor drive unit of the control for focus screen distance (SID) simultaneously, its movement velocity is calculated in real time by the position of the parameter of electric machine and motor, thus accurate control objectives, improve the control accuracy of SID, due to the important parameter that SID is medical image, improved the quality of image by the control accuracy improving SID.Second control unit is responsible for the motion of whole machine and the co-ordination with the first control unit, carries out two-way communication between the two by RS232, and communication message, through CRC check, guarantees real-time and the integrity of instruction.
The present invention is by multiple position and limit sensors human body position, and control system can feed back to display unit according to position of human body, so that operator's monitoring, ensures operator and patient safety; And adopt Double tabletop control system, not only pass through touch screen by the first control unit, there is control instruction, control gantry motion, also by the second control unit by button, gantry motion can be controlled, when avoiding single control system fault, equipment is out of control, solve conventional single single-chip microcomputer or PLC control system, display interface is simple and its control system is subject to the problem of the impact of single control chip reliability completely, thus can ensure the safe operation of equipment.Detect protection at frame extreme position travel switch simultaneously, and according to potentiometer reading, volitional check movement travel; By infrared emission alarm protector, prevent from causing extruding injury to patient; In frame running, especially start, the PID of halt controls, that guarantees in frame running is stable, fast.
When adopting the X-ray machine of control device of the present invention to run, by several infrared emissions sensor for human detection position, control device calculates according to position of human body and assesses current state, and limits the motion of some motor according to operation mode and equipment state; If evaluation status failure, control device limits current location according to the restraining position of acquiescence, reaches spacing rear stopping motor rotation; If automatic spacing failure, machine be provided with limit switch close to extreme end, after encountering limit switch, motor unconditionally shuts down; If limit switch is malfunctioning, need doctor to press red scram button on equipment, cut off motion power supply and operate to force to stop clicking, ensured the safe operation of equipment.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that, still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed among right of the present invention.
Claims (6)
1. a control device for U-shaped arm X-ray machine, is characterized in that, comprising:
First control unit, described first control unit is connected with display unit and the second motor control unit respectively, and described second motor control unit controls the detector movement in the horizontal direction of X-ray machine;
The second control unit be connected with described first control unit, described second control unit is connected with the 3rd motor control unit with the first motor control unit, described first motor control unit controls the movement of the detector in the vertical direction of X-ray machine, and described 3rd motor control unit controls the rotary motion of the detector of X-ray machine.
2. the control device of U-shaped arm X-ray machine as claimed in claim 1, is characterized in that: described first control unit is connected with described second control unit by RS232 Serial Port Line.
3. the control device of U-shaped arm X-ray machine as claimed in claim 1 or 2, it is characterized in that: described motor control unit comprises motor driver, direct current generator, position sensor and limit sensors, described motor driver is connected with the first control unit or the second control unit by control interface, and described direct current generator is connected with motor driver.
4. the control device of U-shaped arm X-ray machine as claimed in claim 1, is characterized in that: described display unit is touching display screen.
5. the control device of U-shaped arm X-ray machine as claimed in claim 1, is characterized in that: described first control unit employing model is the ARM9 processor of Samsung S3C2440A.
6. the control device of U-shaped arm X-ray machine as claimed in claim 1, is characterized in that: described second control unit employing model is the AVR processor of ATmage32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568512.8A CN104490409A (en) | 2014-10-22 | 2014-10-22 | Control device of U-shaped arm X-ray machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568512.8A CN104490409A (en) | 2014-10-22 | 2014-10-22 | Control device of U-shaped arm X-ray machine |
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| CN104490409A true CN104490409A (en) | 2015-04-08 |
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| CN201410568512.8A Pending CN104490409A (en) | 2014-10-22 | 2014-10-22 | Control device of U-shaped arm X-ray machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774042A (en) * | 2019-11-07 | 2021-05-11 | 中硼(厦门)医疗器械有限公司 | Beam irradiation system and control method thereof |
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| CN202154693U (en) * | 2011-07-31 | 2012-03-07 | 四川西南医用设备有限公司 | U-shaped frame of medical diagnostic X-ray machine |
| CN103002807A (en) * | 2010-07-13 | 2013-03-27 | 三星电子株式会社 | Radiography apparatus and control method thereof |
| CN204468108U (en) * | 2014-10-22 | 2015-07-15 | 珠海和佳医疗设备股份有限公司 | The control device of U-shaped arm X-ray machine |
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2014
- 2014-10-22 CN CN201410568512.8A patent/CN104490409A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103002807A (en) * | 2010-07-13 | 2013-03-27 | 三星电子株式会社 | Radiography apparatus and control method thereof |
| CN202154693U (en) * | 2011-07-31 | 2012-03-07 | 四川西南医用设备有限公司 | U-shaped frame of medical diagnostic X-ray machine |
| CN204468108U (en) * | 2014-10-22 | 2015-07-15 | 珠海和佳医疗设备股份有限公司 | The control device of U-shaped arm X-ray machine |
Non-Patent Citations (1)
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| 者昊: "数字影像设备（UDR）控制系统的设计与实现", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774042A (en) * | 2019-11-07 | 2021-05-11 | 中硼(厦门)医疗器械有限公司 | Beam irradiation system and control method thereof |
| CN112774042B (en) * | 2019-11-07 | 2023-09-01 | 中硼(厦门)医疗器械有限公司 | Beam irradiation system and control method thereof |
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Application publication date: 20150408 |