CN101217849B - A control device of X-ray machine bulb tube rotation location - Google Patents
A control device of X-ray machine bulb tube rotation location Download PDFInfo
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- CN101217849B CN101217849B CN2007101592035A CN200710159203A CN101217849B CN 101217849 B CN101217849 B CN 101217849B CN 2007101592035 A CN2007101592035 A CN 2007101592035A CN 200710159203 A CN200710159203 A CN 200710159203A CN 101217849 B CN101217849 B CN 101217849B
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Abstract
The invention relates to a control device for the bulb tube rotation position of an X-ray machine. The device of the invention is provided with a first limit switch used for detecting the rotation angle of 0-90 DEG of the X-ray machine bulb tube; contact signals are sent to a high-voltage generator through a logic circuit; the invention also comprises a shifting switch which selects one state to carry out an exposure operation when the X-ray machine has a magazine or has no magazine; the invention also comprises a logic circuit; the input terminal of the logic circuit is connected with the first limit switch and the shifting switch, while the output terminal thereof is respectively connected with the input terminal of the exposure signal of the high-voltage generator and the input terminal of lathe bed state recognition. The invention automatically controls the shifting of the lathe bed through the rotation of the bulb tube by combing software and hardware, but mainly by hardware mode; the position detection is exact, the action is reliable, and the invention practicably ensures the personal safety of the patients and system safety; furthermore, the invention can implement multi-passage and multi-way clairvoyance, digital exposure and spot film exposure; the doctor is not easy to generate error operations; meanwhile, the risks which are brought by the software is prevented.
Description
Technical field
The present invention relates to a kind of medical X-ray machine equipment, specifically a kind of control device of X-ray production apparatus bulb tube rotation location.
Background technology
The X ray product is a human body detecting device common in the clinical medicine; the bulb of X ray product and beam-defining clipper are owing to can spend to 180 degree rotations from 0; when rotating to by bulb when departing from the level position; must effectively expose and have an X-rayed forbid control; in order to avoid the high voltage control cabinet receives the misoperation signal; cause to misplace X ray protection patient's health of human body safety.Existing X ray product adopts the control mode of software, the conversion that relates to exposure that the rotation of various bulbs brought and perspective pattern is more loaded down with trivial details, be difficult to more directly perceived from the outside, more easily safeguard and control, and software control itself has certain risk, be easy to generate misoperation, can produce safety problem the patient.In the time of bulb and television image system one line, system can only discern the mode of film magazine exposure, can't carry out electronics spot film and digit explosure mode, function singleness in addition.
Summary of the invention
At the deficiencies in the prior art part, the technical problem to be solved in the present invention provides a kind of that can guarantee patient's personal safety and can realize multichannel, multipath perspective and spot exposure, the control device of the X-ray production apparatus bulb tube rotation location of digit explosure.
Solve the problems of the technologies described above, the technical solution used in the present invention is:
Apparatus of the present invention have the 1st limit switch, are used to detect spending to the 90 degree anglecs of rotation from 0 of X-ray production apparatus bulb, and contact point signal is delivered to high pressure generator by logical circuit; Diverter switch when X-ray production apparatus has film magazine or do not have film magazine, selects wherein a kind of state to carry out exposing operation; Logical circuit, input are connected to the 1st limit switch and diverter switch, and output links to each other with the exposure signal input and the bed body state recognition input of high pressure generator respectively.
Described logical circuit comprises the 1st XOR gate and the 2nd XOR gate, wherein the 1st XOR gate input is connected to the 1st limit switch by the 1st photoelectrical coupler, another input termination low level, output are delivered to the bed body state recognition input of high pressure generator through the 3rd photoelectrical coupler; An input of the 2nd XOR gate is connected to the 1st limit switch by the 1st photoelectrical coupler, another input termination low level, output is connected to the coil of the 1st, 2 relays of two parallel connections through triode, and the contact of the 1st, 2 relays is located in the exposure control loop of high pressure generator; The base stage of described triode links to each other with diverter switch by the 5th photoelectrical coupler.
Apparatus of the present invention also have the 2nd limit switch, are used to detect spending to the 180 degree anglecs of rotation from 0 of X-ray production apparatus bulb, and its contact point signal is delivered to high pressure generator by logical circuit; The 1st XOR gate is former in the described logical circuit connects low level input and is connected to the 2nd limit switch by the 2nd photoelectrical coupler, and the 2nd limit switch exports the bed body state recognition input of high pressure generator to again by the 2nd photoelectrical coupler through the 4th photoelectric coupling circuit; Described the 1st limit switch and/or the 2nd limit switch are installed in the rotating shaft of bulb.
The present invention has following beneficial effect and advantage:
1. safe.The present invention is with software and hardware combining and mainly be that pattern by hardware realizes that the bulb rotation controls the switching of a body automatically, the position probing standard, and reliable in action has guaranteed the fail safe of patient's personal safety and system conscientiously;
2. diverse in function.Apparatus of the present invention are by logical circuit identification bed body state, both can judge by the signal of a limit switch, identification X-ray production apparatus bulb and beam-defining clipper are with respect to a television image system line whether, judge the state of a body, realize multichannel, multipath perspective and exposure, also can judge by the signal of two limit switches, identification X-ray production apparatus bulb and beam-defining clipper are with respect to a television image system line whether, judge the state of a body, realize multichannel, multipath, multi-angle perspective and exposure, the system in the prior art of changing can only discern the single mode of film magazine exposure;
3. avoided misoperation.Be not easy to produce misoperation concerning the doctor who uses apparatus of the present invention, also be convenient to the control to equipment, the while also effectively prevents the risk that the defective of software itself is brought.
Description of drawings
Fig. 1 is the electrical schematic diagram of the embodiment of the invention 1;
Fig. 2 is the electrical schematic diagram of the embodiment of the invention 2.
Embodiment
The control device of X-ray production apparatus bulb tube rotation location of the present invention both had can judge by the signal of a limit switch, identification X-ray production apparatus bulb and beam-defining clipper be with respect to a television image system line whether, judge the state of a body, realize multichannel, multipath perspective and exposure, also can the signal by two limit switches judge, identification X-ray production apparatus bulb and beam-defining clipper be with respect to a television image system line whether, judge the state of a body, realize multichannel, multipath, multi-angle perspective and exposure.
Embodiment 1
Present embodiment is a situation of only using a limit switch in the rotating shaft of X-ray production apparatus bulb.
The 1st limit switch that detects a bulb anglec of rotation is installed in the rotating shaft of X-ray production apparatus bulb, and be connected in the input of logical circuit, this logical circuit partly is located in the core control cubicle (CCS) of X-ray production apparatus, its circuit structure as shown in Figure 1, the 1st limit switch is used to detect spending to the 90 degree anglecs of rotation from 0 of X-ray production apparatus bulb, and contact point signal is delivered to high pressure generator by logical circuit; Diverter switch is used for when X-ray production apparatus has film magazine or do not have film magazine, selects wherein a kind of state to carry out exposing operation; Logical circuit is used to receive the signal of the 1st limit switch and diverter switch, and output links to each other with the exposure signal input and the bed body state recognition input of high pressure generator respectively.
Described logical circuit comprises the 1st XOR gate IC1D and the 2nd XOR gate IC1A, wherein the 1st XOR gate IC1D input is connected to the 1st limit switch by the 1st photoelectrical coupler D3, another input termination low level, output are delivered to the bed body state recognition input of high pressure generator through the 3rd photoelectrical coupler D6; The input of the 2nd XOR gate IC1A is connected to the 1st limit switch by the 1st photoelectrical coupler D3, another input termination low level, output is connected to the coil of the 1st, 2 relays (K1A, K2A) of two parallel connections through triode V23, and the contact of the 1st, 2 relay K 1A, K2A is located in the exposure control loop of high pressure generator; The base stage of described triode V23 links to each other with diverter switch by the 5th photoelectrical coupler D1.
The location status of bulb and beam-defining clipper is concluded according to the output signal of apparatus of the present invention by high pressure generator, press master console exposure button and perspective backpedalling brake, have only when high pressure generator is inner and judge that bulb and beam-defining clipper and television image system are in a line, when the bed body is level, just provide the operation signal that can expose and have an X-rayed, when high pressure generator inside judges that bulb and beam-defining clipper and television image system are in plumbness, provide the operation signal that can expose.Concrete decision process comprises following three kinds of situations:
1) X-ray production apparatus powers on, the 1st limit switch closure (is f1, f2 connects), at this moment the output of the 3rd photoelectrical coupler D6 is by (being that Kout1 and Kout2 disconnect), television image system one line of bulb and X-ray production apparatus then is described, X ray lathe body is in the level position, bulb position relative television image system is 0 degree, if take film mode (Spotfilm, also be the film magazine RM), then diverter switch is an off-state, be that SEL OUT1 signal is a low level, relay K 1A, the K2A coil is not charged, realize exposure by system signal conversion (promptly need whole system to carry out film density, the reduction of operation of brightness obtains the reasonable numerical value that can expose), perspective.
2) the 1st limit switch closure (is f1, f2 connects) time, the output of the 3rd photoelectrical coupler D6 is by (being that Kout1 and Kout2 disconnect), television image system one line of bulb and X-ray production apparatus, X ray lathe body is in the level position, bulb position relative television image system is 0 degree, if take electronics spot film and digit explosure mode, then diverter switch is a closure state, be that SEL OUT1 signal is a high level, relay K 1A, the K2A coil is charged, by the multifunction board in the core control cubicle (CCS), be connected to the high voltage control platform by interface again, the high voltage control platform is provided with the exposure button, without complicated processes such as system signal conversions, realizes directly exposure and perspective.
When 3) the 1st limit switch disconnects (being that f1, f2 disconnect), the output conducting of the 3rd photoelectrical coupler D6 (being Kout1 and Kout2 closure), bulb is vertical with the television image system of X-ray production apparatus, be that the bulb position is 90 degree with respect to the television image system, X ray lathe body is the level position, diverter switch is an off-state, be that SEL OUT1 signal is a low level, relay K 1A, K2A coil are charged, cause the relay contact action, carry out relay contact and switch,, realize free film magazine exposure but can not have an X-rayed by directly being connected with high pressure generator.
By said process as can be known apparatus of the present invention can realize the multichannel of X-ray production apparatus, multipath perspective and exposure.
Present embodiment is a situation of using 2 limit switches on the X-ray production apparatus bulb.
As shown in Figure 2, be with the difference of embodiment 1: the 2nd limit switch also is installed in the rotating shaft of X-ray production apparatus bulb, be used to detect spending to the 180 degree anglecs of rotation of X-ray production apparatus bulb from 0, its contact point signal is delivered to high pressure generator by logical circuit, the input that is the 1st XOR gate IC1D in the logical circuit is connected to the 1st limit switch and the 2nd limit switch by the 1st photoelectrical coupler D3 and the 2nd photoelectrical coupler D4 respectively, and the 2nd limit switch by behind the 2nd photoelectrical coupler D4, export the bed body state recognition input of high pressure generator again to through the 4th photoelectric coupling circuit D7.
Concrete decision process comprises following five kinds of situations:
1) the 1st limit switch closure (is f1, f2 connects), it (is f3 that the 2nd limit switch disconnects, f4 disconnects) time, the output of the 3rd photoelectrical coupler D6 is by (being that Kout1 and Kout2 disconnect), the output of the 4th photoelectrical coupler D7 is by (being that Kout3 and Kout4 disconnect), television image system one line of bulb and X-ray production apparatus then is described, X ray lathe body is in the level position, bulb position relative television image system is 0 degree, if take film mode (Spotfilm, also be the film magazine RM), then diverter switch is an off-state, be that SEL OUT1 signal is a low level, relay K 1A, the K2A coil is not charged, realize exposure by system signal conversion (promptly need whole system to carry out film density, the reduction of operation of brightness obtains the reasonable numerical value that can expose), perspective.
2) the 1st limit switch closure (is f1, f2 connects), it (is f3 that the 2nd limit switch disconnects, f4 disconnects) time, the output of the 3rd photoelectrical coupler D6 is by (being that Kout1 and Kout2 disconnect), the output of the 4th photoelectrical coupler D7 is by (being that Kout3 and Kout4 disconnect), television image system one line of bulb and X-ray production apparatus, X ray lathe body is in the level position, bulb position relative television image system is 0 degree, if take electronics spot film and digit explosure mode, then diverter switch is a closure state, be that SEL OUT1 signal is a high level, relay K 1A, the K2A coil is charged, multifunction board by in the core control cubicle (CCS) is connected to the high voltage control platform by interface again, and the high voltage control platform is provided with the exposure button, without complicated processes such as system signal conversions, realize directly exposure and perspective.
3) disconnection of the 1st limit switch (is f1, f2 disconnects), it (is f3 that the 2nd limit switch disconnects, f4 disconnects) time, the output conducting of the 3rd photoelectrical coupler D6 (being Kout1 and Kout2 closure), the output of the 4th photoelectrical coupler D7 is by (being that Kout3 and Kout4 disconnect), bulb is vertical with the television image system of X-ray production apparatus, be that the bulb position is 90 degree with respect to the television image system, X ray lathe body is the level position, diverter switch is an off-state, be that SEL OUT1 signal is a low level, relay K 1A, the K2A coil is charged, cause the relay contact action, carrying out relay contact switches, by directly being connected, realizing the exposure of free film magazine but can not have an X-rayed with high pressure generator.
4) disconnection of the 1st limit switch (is f1, f2 disconnects), the 2nd limit switch closure (is f3, f4 connects) time, the output of the 3rd photoelectrical coupler D6 is by (being that Kout1 and Kout2 disconnect), the output conducting of the 4th photoelectrical coupler D7 (is Kout3 and Kout4 closure, bulb position relative television image system is 180 degree, X ray lathe body is the level position, diverter switch is an off-state, be that SEL OUT1 is an off-state, relay K 1A, the K2A coil is charged, causes the relay contact action, carries out relay contact and switches, by directly being connected, realizing the exposure of vertical body of wall film magazine but can not have an X-rayed with high pressure generator.
5) the 1st limit switch closure (being f1, f2 conducting), during the 2nd limit switch closure (being that f3, f4 connect), the output conducting of the 3rd photoelectrical coupler D6 (being Kout1 and Kout2 closure), the output conducting of the 4th photoelectrical coupler D7 (being Kout3 and Kout4 closure), X-ray production apparatus is a malfunction, and high pressure generator is not worked.
By said process as can be known apparatus of the present invention can realize multichannel, multipath, the perspective of multi-angle and exposure.
Claims (4)
1. the control device of an X-ray production apparatus bulb tube rotation location is characterized in that having:
The 1st limit switch is used to detect spending to the 90 degree anglecs of rotation from 0 of X-ray production apparatus bulb, and contact point signal is delivered to high pressure generator by logical circuit;
Diverter switch when X-ray production apparatus has film magazine or do not have film magazine, selects wherein a kind of state to carry out exposing operation;
Logical circuit, input are connected to the 1st limit switch and diverter switch, and output links to each other with the exposure signal input and the bed body state recognition input of high pressure generator respectively;
Described logical circuit comprises the 1st XOR gate (IC1D) and the 2nd XOR gate (IC1A), wherein an input of the 1st XOR gate (IC1D) is connected to the 1st limit switch by the 1st photoelectrical coupler (D3), another input termination low level, output are delivered to bed body state the 1st identification input of high pressure generator through the 3rd photoelectrical coupler (D6); An input of the 2nd XOR gate (IC1A) is connected to the 1st limit switch by the 1st photoelectrical coupler (D3), another input termination low level, output is connected to the coil of the 1st, 2 relays (K1A, K2A) of two parallel connections through triode (V23), and the contact of the 1st, 2 relays (K1A, K2A) is located in the exposure control loop of high pressure generator; The base stage of described triode (V23) links to each other with diverter switch by the 5th photoelectrical coupler (D1).
2. by the control device of the described X-ray production apparatus bulb tube rotation location of claim 1, it is characterized in that: described the 1st limit switch is installed in the rotating shaft of bulb.
3. by the control device of the described X-ray production apparatus bulb tube rotation location of claim 1, it is characterized in that: also have the 2nd limit switch, be used to detect spending to the 180 degree anglecs of rotation from 0 of X-ray production apparatus bulb, its contact point signal is delivered to high pressure generator by logical circuit;
The 1st XOR gate (IC1D) connects low level input and is connected to the 2nd limit switch by the 2nd photoelectrical coupler (D4) in the described logical circuit, the 2nd limit switch exports bed body state the 2nd identification input of high pressure generator to again by the 2nd photoelectrical coupler (D4) through the 4th photoelectric coupling circuit (D7).
4. by the control device of the described X-ray production apparatus bulb tube rotation location of claim 3, it is characterized in that: described the 2nd limit switch is installed in the rotating shaft of bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101592035A CN101217849B (en) | 2007-12-26 | 2007-12-26 | A control device of X-ray machine bulb tube rotation location |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101592035A CN101217849B (en) | 2007-12-26 | 2007-12-26 | A control device of X-ray machine bulb tube rotation location |
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| Publication Number | Publication Date |
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| CN101217849A CN101217849A (en) | 2008-07-09 |
| CN101217849B true CN101217849B (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007101592035A Expired - Fee Related CN101217849B (en) | 2007-12-26 | 2007-12-26 | A control device of X-ray machine bulb tube rotation location |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104822321A (en) * | 2012-12-03 | 2015-08-05 | 韩龙海 | Operation switch for use on x-ray system, and x-ray system including same |
| CN104414669A (en) * | 2013-08-22 | 2015-03-18 | 上海联影医疗科技有限公司 | Computed tomography system and method |
| CN107440735B (en) * | 2017-09-27 | 2020-10-02 | 上海联影医疗科技有限公司 | Method and system for initializing angle of CT scanning bulb tube |
| CN111528883B (en) * | 2020-05-29 | 2023-04-25 | 深圳康桥软件技术有限公司 | Multi-mode three-dimensional medical imaging method, device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5485494A (en) * | 1994-08-03 | 1996-01-16 | General Electric Company | Modulation of X-ray tube current during CT scanning |
| CN1264475C (en) * | 2003-12-10 | 2006-07-19 | 东软飞利浦医疗设备系统有限责任公司 | Oblique photograph moving device of X ray machine |
| JP2007282740A (en) * | 2006-04-14 | 2007-11-01 | Hitachi Medical Corp | X-ray ct apparatus |
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2007
- 2007-12-26 CN CN2007101592035A patent/CN101217849B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5485494A (en) * | 1994-08-03 | 1996-01-16 | General Electric Company | Modulation of X-ray tube current during CT scanning |
| CN1264475C (en) * | 2003-12-10 | 2006-07-19 | 东软飞利浦医疗设备系统有限责任公司 | Oblique photograph moving device of X ray machine |
| JP2007282740A (en) * | 2006-04-14 | 2007-11-01 | Hitachi Medical Corp | X-ray ct apparatus |
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Granted publication date: 20110615 Termination date: 20121226 |