CN102158642A - Universal sequential control device for radiographing system - Google Patents
Universal sequential control device for radiographing system Download PDFInfo
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- CN102158642A CN102158642A CN2010105676667A CN201010567666A CN102158642A CN 102158642 A CN102158642 A CN 102158642A CN 2010105676667 A CN2010105676667 A CN 2010105676667A CN 201010567666 A CN201010567666 A CN 201010567666A CN 102158642 A CN102158642 A CN 102158642A
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- 238000012163 sequencing technique Methods 0.000 description 3
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Abstract
The invention discloses a universal sequential control device for a radiographing system. The sequential control device comprises a CPU (Central Processing Unit), an exposure handle, a parameter setting unit, a high-voltage generator interface unit and a detector interface unit, wherein the CPU is respectively connected with the exposure handle, the parameter setting unit, the high-voltage generator interface unit and the detector interface unit; the exposure handle is used for outputting a control signal to the CPU; the CPU is used for sending a sequential control signal to the high-voltage generator interface unit and the detector interface unit according to the control signal; the high-voltage generator interface unit is used for controlling the operation of a high-voltage generator according to the sequential control signal; the detector interface unit is used for controlling the operation of a detector according to the sequential control signal; the parameter setting unit is used for inputting required time parameters to the CPU.
Description
Technical field
The present invention relates to the radiation filming system technical field, be specifically related to a kind of general radiation filming system time sequence control device.
Background technology
Digital irradiation photography system is made of bulb, hanging type frame, high pressure generator, detector, image work acquisition station, photography bed etc.Wherein most crucial subsystem is the image catenary system, comprises high pressure generator, bulb, detector and sequential control circuit.High-quality image catenary system can produce high-quality image.Because different clients has different requirements to product.So need in the selection of image catenary system critical component, multiple combination just be arranged like this according to the customized different product of different clients: such as detector has the branch of ccd detector and flat panel detector, high pressure generator has the branch of different brands.The combination of different detectors and high pressure generator has corresponding variation in its synchronous sequence control, if same sequential control circuit can satisfy the sequencing control of different detectors and high pressure generator combination, will have great advantage on management and cost.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of general radiation filming system time sequence control device, to satisfy the sequencing control requirement of different detectors and high pressure generator combination.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
A kind of general radiation filming system time sequence control device, comprise CPU element, the exposure handle, parameter set unit, high pressure generator interface unit and prober interface unit, described CPU element respectively with described exposure handle, described parameter set unit, described high pressure generator interface unit links to each other with described prober interface unit, described exposure handle is used for to described CPU element output control signal, described CPU element is used for according to described control signal to described high pressure generator interface unit and described prober interface unit transmission timing control signal, described high pressure generator interface unit is used for the operation according to described timing control signal control high pressure generator, described prober interface unit is used for the operation according to described timing control signal control detector, and described parameter set unit is used for the time parameter to described CPU element input needs.
Described general radiation filming system time sequence control device, wherein said parameter set unit comprises button, charactron and toggle switch, described button is used for to described CPU element parameter input time, described charactron is used to show current time parameter, and described toggle switch is used to select mode of operation.
Described general radiation filming system time sequence control device, wherein said high pressure generator interface unit comprises first triode, second triode, first relay and second relay, first triode drives first relay, after first relay closes, to high pressure generator output exposure ready signal PREP, second triode drives second relay, after second relay closes, to high pressure generator output exposure commencing signal EXP.
Described general radiation filming system time sequence control device, wherein said prober interface unit comprises first optocoupler and second optocoupler, second optocoupler sends to detector and gathers ready signal EXP-REQ, and first optocoupler is to described CPU element feedback standby ready signal EXP-OK.
Beneficial effect of the present invention: the general radiation filming system time sequence control device of the present invention can provide general sequencing control at different detectors and high pressure generator combination, having significantly reduced production cost, is a much progress of radiation filming system time sequence control device.
Description of drawings
The present invention includes following accompanying drawing:
Fig. 1 is the general radiation filming system time sequence control device module map of the present invention;
Fig. 2 is the general radiation filming system time sequence control device embodiment schematic diagram of the present invention.
Embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
As depicted in figs. 1 and 2, the radiation filming system time sequence control device that the present invention is general, comprise CPU element, the exposure handle, parameter set unit, high pressure generator interface unit and prober interface unit, CPU element respectively with the exposure handle, parameter set unit, the high pressure generator interface unit links to each other with the prober interface unit, the exposure handle is exported control signal to CPU element, CPU element according to control signal to high pressure generator interface unit and prober interface unit transmission timing control signal, the high pressure generator interface unit is according to the operation of timing control signal control high pressure generator, the prober interface unit is according to the operation of timing control signal control detector, and parameter set unit is to the time parameter of CPU element input needs.
Different high pressure generators and different detectors need be provided with different exposure ready signal PREP and keep width and standby ready signal EXP-OK to keep width.Parameter set unit comprises two buttons (button J1, button J2) and three charactrons (charactron H1, charactron H2, charactron H3), also has toggle switch.Button J1 increases button for time parameter numerical value, and button J2 reduces button for time parameter numerical value.Charactron H1, charactron H2, charactron H3 show thousand, hundred, ten of time parameter numerical value respectively, and unit is 10 milliseconds.As shown in table 1, when selecting debugging mode 1 and debugging mode 2, be used to be provided with the initial time parameter, the time parameter value that sets is kept among the inner flash of CPU element; Under normal mode, when starting, can at first call the initial time parameter from flash at every turn.When being provided with, at first toggle switch is pushed the 1st grade, carry out numerical value by button J1 and button J2 and add reducing.The parameter that is provided with has two, and one is the time-delay width of exposure ready signal (PREP signal), and another is the time-delay width of standby ready signal (EXP-OK signal).The time-delay width of exposure ready signal PREP, promptly expose first grade on handle once pressing, no matter how much actual time of pressing is, exposure ready signal PREP will keep more than 3000 milliseconds (default values) at least, the exposure handle just can effectively promptly be gathered ready signal EXP-REQ signal and just can be sent for second grade; Another signal is standby ready signal EXP OK, and this signal is the feedback signal that detector sends to CPU element, and the expression detector is ready to, can expose.If this signal stops, high pressure generator also will no longer expose.The default time width of this signal is 800 milliseconds.
Table 1
The timing control signal production process is as follows:
Handle is pressed for first grade, and SW1 puts 1, after CPU element is received the SW1 signal, putting pin P14 is 1, opens triode Q1, and triode Q1 drives relay K 1, relay K 1 output exposure ready signal (PREP signal) is given high pressure generator, and high pressure generator begins exposure and prepares.Handle is pressed for second grade, and SW2 puts 1, after CPU element is received the SW1 signal, judges that at first whether the SW1 signal continues 3 seconds effectively, if less than 3 seconds, then waits until 3 seconds; If SW1 signal duration surpasses 3 seconds, then CPU element is put pin P23 and is " 0 ".After pin P23 was changed to " 0 ", the optocoupler D2 of prober interface unit opened, and will gather ready signal EXP-REQ signal and send detector to.After detector is received and is gathered ready signal EXP-REQ, detector begins to gather to be prepared, after being ready to, optocoupler D1 by the prober interface unit returns the pin P06 that standby ready signal EXP-OK gives CPU element, CPU element is after receiving standby ready signal (EXP-OK signal), with pin P15 set, open triode Q2, relay K 2 work.The relay K 2 commencing signal EXP that will expose sends to high pressure generator, and the notice high pressure generator can expose.High pressure generator response exposure, the X-ACT signal produces.The high pressure generator interface unit comprises relay K 1 and relay K 2, exports two mechanical switch signals, and these two signals have same common port.These two signals are respectively exposure ready signal PREP and exposure commencing signal EXP, as exposure preparation and two orders of exposure beginning.No matter which type of high pressure generator all needs this two signals, preparatory signal PREP and exposure commencing signal EXP promptly expose.Exposure preparatory signal PREP notice high pressure generator is prepared unwrapping wire, and exposure commencing signal EXP then indicates high pressure generator to begin unwrapping wire.Various high pressure generators such as SEDICAL high pressure generator, EMD high pressure generator and the imperial high pressure generator of homemade person of outstanding talent, need to expose ready signal PREP and exposure commencing signal EXP are so the general radiation filming system time sequence control device of the present invention is supported this three kinds of high pressure generators.
Those skilled in the art do not break away from essence of the present invention and spirit, can there be the various deformation scheme to realize the present invention, the above only is the preferable feasible embodiment of the present invention, be not so limit to interest field of the present invention, the equivalent structure that all utilizations specification of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.
Claims (4)
1. general radiation filming system time sequence control device, it is characterized in that: comprise CPU element, the exposure handle, parameter set unit, high pressure generator interface unit and prober interface unit, described CPU element respectively with described exposure handle, described parameter set unit, described high pressure generator interface unit links to each other with described prober interface unit, described exposure handle is used for to described CPU element output control signal, described CPU element is used for according to described control signal to described high pressure generator interface unit and described prober interface unit transmission timing control signal, described high pressure generator interface unit is used for the operation according to described timing control signal control high pressure generator, described prober interface unit is used for the operation according to described timing control signal control detector, and described parameter set unit is used for the time parameter to described CPU element input needs.
2. general radiation filming system time sequence control device according to claim 1, it is characterized in that: described parameter set unit comprises button, charactron and toggle switch, described button is used for to described CPU element parameter input time, described charactron is used to show current time parameter, and described toggle switch is used to select mode of operation.
3. general radiation filming system time sequence control device according to claim 2, it is characterized in that: described high pressure generator interface unit comprises first triode, second triode, first relay and second relay, first triode drives first relay, after first relay closes, to high pressure generator output exposure ready signal PREP, second triode drives second relay, after second relay closes, to high pressure generator output exposure commencing signal EXP.
4. general radiation filming system time sequence control device according to claim 3, it is characterized in that: described prober interface unit comprises first optocoupler and second optocoupler, second optocoupler sends to detector and gathers ready signal EXP-REQ, and first optocoupler is to described CPU element feedback standby ready signal EXP-OK.
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| CN 201010567666 CN102158642B (en) | 2010-11-30 | 2010-11-30 | Universal sequential control device for radiographing system |
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| CN 201010567666 CN102158642B (en) | 2010-11-30 | 2010-11-30 | Universal sequential control device for radiographing system |
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| CN102158642A true CN102158642A (en) | 2011-08-17 |
| CN102158642B CN102158642B (en) | 2013-05-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131447A (en) * | 2016-07-19 | 2016-11-16 | 赵明信 | A kind of delay exposure being applied to movable X-ray machine controls device |
| CN106210558A (en) * | 2016-08-31 | 2016-12-07 | 中南大学湘雅二医院 | A kind of movable X-ray machine exposure control unit, movable X-ray machine and exposure method thereof |
| CN106308828A (en) * | 2015-07-01 | 2017-01-11 | 上海奕瑞光电子科技有限公司 | Digital image detection apparatus and flat panel detector wireless external triggering method |
| CN112294343A (en) * | 2019-07-23 | 2021-02-02 | 卡瓦科尔牙科医疗器械（苏州）有限公司 | Wireless fingerprint exposure handle control device for radiation photography system |
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| JP2003116833A (en) * | 2001-10-18 | 2003-04-22 | Toshiba Corp | X-ray computed tomographic equipment |
| CN1595290A (en) * | 2004-07-02 | 2005-03-16 | 东软飞利浦医疗设备***有限责任公司 | Digital photograph automatic exposure unit for X-ray production apparatus and control method |
| EP1523227A2 (en) * | 2003-10-09 | 2005-04-13 | GE Medical Systems Global Technology Company LLC | Thermal generator assembly, X-ray imaging system, and X-ray apparatus overheat preventing method |
| CN101366637A (en) * | 2007-08-17 | 2009-02-18 | 深圳市蓝韵实业有限公司 | Digitized radiation photography probe image capturing trigger gear and image capturing system |
| US20100119034A1 (en) * | 2008-11-11 | 2010-05-13 | Kabushiki Kaisha Toshiba | Computed tomography device and method using circular-pixel position-adaptive interpolation |
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2010
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Patent Citations (5)
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| JP2003116833A (en) * | 2001-10-18 | 2003-04-22 | Toshiba Corp | X-ray computed tomographic equipment |
| EP1523227A2 (en) * | 2003-10-09 | 2005-04-13 | GE Medical Systems Global Technology Company LLC | Thermal generator assembly, X-ray imaging system, and X-ray apparatus overheat preventing method |
| CN1595290A (en) * | 2004-07-02 | 2005-03-16 | 东软飞利浦医疗设备***有限责任公司 | Digital photograph automatic exposure unit for X-ray production apparatus and control method |
| CN101366637A (en) * | 2007-08-17 | 2009-02-18 | 深圳市蓝韵实业有限公司 | Digitized radiation photography probe image capturing trigger gear and image capturing system |
| US20100119034A1 (en) * | 2008-11-11 | 2010-05-13 | Kabushiki Kaisha Toshiba | Computed tomography device and method using circular-pixel position-adaptive interpolation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106308828A (en) * | 2015-07-01 | 2017-01-11 | 上海奕瑞光电子科技有限公司 | Digital image detection apparatus and flat panel detector wireless external triggering method |
| CN106131447A (en) * | 2016-07-19 | 2016-11-16 | 赵明信 | A kind of delay exposure being applied to movable X-ray machine controls device |
| CN106210558A (en) * | 2016-08-31 | 2016-12-07 | 中南大学湘雅二医院 | A kind of movable X-ray machine exposure control unit, movable X-ray machine and exposure method thereof |
| CN112294343A (en) * | 2019-07-23 | 2021-02-02 | 卡瓦科尔牙科医疗器械（苏州）有限公司 | Wireless fingerprint exposure handle control device for radiation photography system |
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Denomination of invention: Universal sequential control device for radiographing system Effective date of registration: 20131209 Granted publication date: 20130508 Pledgee: China Development Bank Co Pledgor: Landwind Co., Ltd. Registration number: 2013440000011 |
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Denomination of invention: Universal sequential control device for radiographing system Effective date of registration: 20150409 Granted publication date: 20130508 Pledgee: China Development Bank Co Pledgor: Landwind Co., Ltd. Registration number: 2015990000272 |
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