CN202799361U - Voltage supervising device and X-ray CT device - Google Patents
Voltage supervising device and X-ray CT device Download PDFInfo
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- CN202799361U CN202799361U CN 201220521951 CN201220521951U CN202799361U CN 202799361 U CN202799361 U CN 202799361U CN 201220521951 CN201220521951 CN 201220521951 CN 201220521951 U CN201220521951 U CN 201220521951U CN 202799361 U CN202799361 U CN 202799361U
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Abstract
The utility model discloses a voltage supervising device. The device comprises a voltage detection section used for detecting voltage of input power of a high voltage generation section and comparing the voltage with a preset reference voltage; and a voltage supervising section used for outputting corresponding radiation permission instructions based on comparison results of the voltage detection section. The utility model also discloses an X-ray CT device employing the aforementioned voltage supervising device. According to the utility model, the voltage detection section is utilized to perform the on-line continuous detection of the voltage of the input power of the high voltage generation section and the X-ray radiation is controlled by the voltage supervising section based on detection results; and when the voltage of the input power of the high voltage generation section does not satisfy a preset condition, the X-ray radiation can not be started, thereby preventing the case that a testee has to be radiated by X rays again because of the X-ray radiation interruption due to the instable voltage of the high voltage generation section during the process when the testee receives the X-ray detection.
Description
Technical field
The utility model relates to a kind of voltage monitoring equipment and adopts the X ray CT device of this supervising device.
Background technology
The x-ray bombardment that X ray CT (Computed Tomography computed tomography) device will be produced by X-ray tube is to subject, and detection has seen through the X ray of subject, the view data of the subject that forms according to this detection signal is provided, plays important effect for medical acts such as diagnosis or treatments.
This X ray CT device possesses pallet section, has the x-ray bombardment section of the subject X-ray irradiation that loads to the sky plate and detects the X ray test section of the X ray that has seen through subject in this pallet section.This pallet section has peristome cylindraceous, the same day, plate moved and subject when being admitted in the peristome, possess x-ray bombardment section and the rotation around detected body on one side of X ray test section of X-ray tube, on one side to the subject X-ray irradiation, and detect the X ray that has seen through detected body, carry out thus the CT photography.
X-ray tube is to provide high voltage to produce X ray by high voltage generating unit (HFG).The high voltage generating unit is provided for having an X-rayed the X ray of usefulness and high voltage and the heating voltage that the S ray is used in the photography higher than the energy of this perspective usefulness according to the control signal that comes from the x-ray bombardment condition of X ray control part to X-ray tube.
In the process of carrying out x-ray scanning, unusual if high voltage generating unit input voltage occurs, for example, when input voltage dropped to 172V, the termination situation will appear in the X ray radiation.At this moment, in order to make a definite diagnosis, need to re-start X scanning to the examinee, therefore, the examinee just may accept unnecessary radiation.
The utility model content
The utility model proposes in order to address the above problem, its purpose is, a kind of voltage monitoring equipment and X ray CT device are provided, can prevent and be forced in the x-ray radiative process that causes owing to supply voltage is unstable end to cause the examinee to receive the situation of unnecessary x-ray radiation.
The voltage monitoring equipment of embodiment of the present utility model possesses:
Voltage detection department, detect the high voltage generating unit input power voltage and compare with default reference voltage;
Voltage monitoring section is according to the corresponding radiation of the comparative result output grant instruction of described voltage detection department.
The voltage monitoring equipment of another embodiment of the present utility model, described voltage monitoring section comprises:
The testing result reading unit reads the voltage comparative result of described voltage detection department by predetermined frequency;
Detect information recording unit, the voltage ratio that described testing result reading unit reads is stored according to predetermined time than object information;
Radiation license control unit is confirmed the voltage comparative result that described testing result reading unit reads, if predetermined time described voltage comparative result satisfy rated condition, output radiation grant instruction then; If predetermined time described voltage comparative result do not satisfy rated condition, then output radiation can not instruction.
The voltage monitoring equipment of another embodiment of the present utility model, described voltage detection department adopts voltage comparator.
The X ray CT device of embodiment of the present utility model possesses:
X-ray tube is to by the subject X-ray irradiation;
X-ray detection device detects X ray described X-ray tube irradiation and that see through described subject;
Voltage detection department, detect the high voltage generating unit input power voltage and compare with default reference voltage;
Voltage monitoring section is according to the corresponding radiation of the comparative result output grant instruction of described voltage detection department.
The X ray CT device of another embodiment of the present utility model, described voltage monitoring section comprises:
The testing result reading unit reads the voltage comparative result of described voltage detection department by predetermined frequency;
Detect information recording unit, the voltage ratio that described testing result reading unit reads is stored according to predetermined time than object information;
Radiation license control unit is confirmed the voltage comparative result that described testing result reading unit reads, if predetermined time described voltage comparative result satisfy rated condition, output radiation grant instruction then; If predetermined time described voltage comparative result do not satisfy rated condition, then output radiation can not instruction.
The X ray CT device of another embodiment of the present utility model, described voltage detection department adopts voltage comparator.
The utility model employing voltage detection department comes the voltage of the input power of high voltage generating unit is carried out the on-line continuous detection, and control X ray radiation by voltage monitoring section according to testing result, when the voltage of the input power of high voltage generating unit does not satisfy predetermined condition, then can not start the radiation of X ray, thereby can avoid accepting the examinee that the voltage instability owing to the high voltage generating unit causes the X ray radiation to stop in the testing process of X ray, the examinee need to re-start the situation of x-ray bombardment again.
Description of drawings
Fig. 1 is the structured flowchart of the utility model X ray CT device;
Fig. 2 is the structural representation of pallet section and the bedroom platform section of the utility model X ray CT device;
Fig. 3 is the structural representation of the utility model voltage monitoring equipment.
Embodiment
Couple the utility model embodiment describes below with reference to Fig. 1 ~ 3.
Fig. 1 is the structured flowchart of the utility model embodiment; Fig. 2 is the structural representation of the utility model embodiment pallet section and bedroom platform section.This X ray CT device 100 comprises: photography section 10, carry out the CT photography to subject P; Bedroom platform section 40 makes subject P move to photography section 10 directions; Operating portion 50 carries out the input for operation photography section 10 and bedroom platform section 40; And systems control division 51, according to control photography section 10 and bedroom platform section 40 from the input message of operating portion 50.
Rotating part 13 possesses: the x-ray bombardment section 16 of X-ray irradiation is configured in the periphery of peristome 12; High voltage generating unit 17 is supplied with high voltage to x-ray bombardment section 16; Detect the X ray test section 18 of X ray; Data Collection section 19 is collected in X ray test section 18 detected detection signals and generates data for projection; The sending part of data transport unit 20 is used for and will exports to image processing part 30 at the data for projection that Data Collection section 19 generates; And rotating frame 21, the sending part of x-ray bombardment section 16, high voltage generating unit 17, X ray test section 18, Data Collection section 19 and data transport unit 20 can be supported rotatably.
Fixed part 14 possesses the rotating mechanism control part 22 of rotating frame 21 rotations that make rotating part 13 and the acceptance division of data transport unit 20.And rotating mechanism control part 22 possesses the rotating mechanism that makes rotating frame 21 rotations and the control circuit of controlling this rotating mechanism.
In addition, bedroom platform section 40 is arranged near the pallet section 11, consisted of by sky plate 41 and bedroom platform 42, mounting subject P on this day plate 41, bedroom platform 42 with this day plate 41 supporting in the mode that above-below direction and length direction move.And a day plate 41 comprises: form rectangular day plate main body 43, mounting subject P; And auxiliary implement 44, the part of the subject P that loads on this day plate main body 43 is kept.
In addition, bedroom platform 42 has: length direction travel mechanism for subject P is sent in the peristome 12 of pallet section 11, makes day plate 41 mobile in the longitudinal direction; And reciprocating mechanism, in order to make subject P boarding, day plate 41 is moved up at upper and lower.And, for subject P is sent into peristome 12 interior photographies from its head side, make head towards an end side of sky plate 41, foot has loaded subject P with the posture of clinostatism towards the other end side ground sky plate 41, to peristome 12 interior movements.And, for subject P is sent into peristome 12 interior photographies from its foot's side, with above-mentioned opposite, make foot towards an end side of sky plate 41, head has loaded subject P with the posture of clinostatism towards the other end side ground sky plate 41, to peristome 12 interior movements.
Then, with reference to Fig. 3 the utility model voltage monitoring equipment is further elaborated.
Fig. 3 is the structural representation of the utility model voltage monitoring equipment.
As shown in Figure 3, the utility model voltage monitoring equipment 6 comprises: voltage detection department 61 and voltage monitoring section 62, voltage detection department 61 detect high voltage generating units 17 input power voltage and compare with default reference voltage; Voltage monitoring section 62 is according to the corresponding radiation of the comparative result output grant instruction of voltage detection department 61.Voltage detection department 61 mainly is be used to the current voltage of the input power that obtains current high voltage generating unit 61 and the comparative result of reference voltage.
Detect by adopting voltage detection department 61 to come voltage to the input power of high voltage generating unit 17 to carry out on-line continuous, and control X ray radiation by voltage monitoring section 62 according to testing result, when the voltage of the input power of high voltage generating unit 17 does not satisfy predetermined condition, then can not start the radiation of X ray.
Particularly, voltage monitoring section 62 comprises as shown in Figure 3: testing result reading unit 63, detection information recording unit 64, radiation license control unit 65.
Testing result reading unit 63 is used for reading by predetermined frequency the voltage comparative result of voltage detection department 61.For example, testing result reading unit 63 reads the result that voltage detection department 61 detects and compares according to per minute 40 times or other number of times.Frequency is higher, and the voltage comparative result that obtains is the situation of reflecting voltage variation more exactly.
Detecting information recording unit 64 stores than object information the voltage ratio that testing result reading unit 63 reads according to predetermined time.For example, stored 2 minutes or the change in voltage result of other a period of time, so that radiation license control unit 65 reads data as required.
The voltage comparative result that 65 pairs of testing result reading units 63 of radiation license control unit read confirms, if predetermined time the voltage comparative result satisfy rated condition, output radiation grant instruction then; If predetermined time the voltage comparative result do not satisfy rated condition, then output radiation can not instruction.Radiation license control unit 65 mainly is according to default condition to judge whether export the radiation grant instruction thereby draw.The predetermined time person that is the convenient operation is set judges whether voltage satisfies condition before predetermined time, such as within 2 minutes of current time, whether the input voltage of detected high voltage generating unit 17 is all greater than reference voltage, if all greater than, then the voltage conditions of X radiation is satisfied in expression, if there is situation about being not more than to occur, account for voltage is unstable, do not satisfy the voltage conditions of X ray radiation, can not carry out X ray.
The below's row are given one example conduct to further detailed explanation of the utility model, but the utility model is not limited to this.
Voltage detection department 61 adopts voltage comparator to detect the input supply voltage of high voltage generating unit 17, the testing result reading unit 63 of voltage monitoring section 62 reads detection and the comparative result of voltage detection department 61 with the frequency of per minute 60 times, and according to time of 2 minutes comparative result information is stored in and detects information recording unit 64.
The operator is when carrying out X ray radiation operation, radiation license control unit 65 at first can confirm to be stored in the front 2 minutes comparative result in the current time that detects information recording unit 64, if the comparative result that reads has when being lower than certain value (such as 172V), will be to substrate 14 output errors of systems control division 51 report (i.e. radiation can not instruction), and by display part 33 demonstrations, this moment, x-ray radiation operation was ended.
Like this, the operator just can carry out the operation that X ray detects over time again according to this error reporting.When if the comparative result that reads is not lower than certain value (such as 172V), 65 substrate 14 output radiation grant instruction to systems control division 51 of radiation license control unit, x-ray radiation operation can normally be carried out.
Although the above is illustrated embodiment of the present utility model, these execution modes are as an example and prompting, and the scope of the utility model of not attempting to restrict driving.These new execution modes can be implemented with other variety of ways, in the scope of the purport that does not break away from utility model, can carry out various omissions, displacement and change.These execution modes or its distortion are contained in the scope and purport of utility model, and are contained in utility model that the scope of patent request puts down in writing and the scope impartial with it.
Claims (6)
1. voltage monitoring equipment is characterized in that possessing:
Voltage detection department (61), detect the high voltage generating unit input power voltage and compare with default reference voltage;
Voltage monitoring section (62) is according to the corresponding radiation of the comparative result output grant instruction of described voltage detection department (61).
2. voltage monitoring equipment as claimed in claim 1 is characterized in that, described voltage monitoring section (61) comprising:
Testing result reading unit (63) reads the voltage comparative result of described voltage detection department (61) by predetermined frequency;
Detect information recording unit (64), the voltage ratio that described testing result reading unit (63) reads is stored according to predetermined time than object information;
Radiation license control unit (65) is confirmed the voltage comparative result that described testing result reading unit (63) reads, if predetermined time described voltage comparative result satisfy rated condition, output radiation grant instruction then; If predetermined time described voltage comparative result do not satisfy rated condition, then output radiation can not instruction.
3. voltage monitoring equipment as claimed in claim 2 is characterized in that, described voltage detection department (61) adopts voltage comparator.
4. X ray CT device is characterized in that possessing:
X-ray tube is to by the subject X-ray irradiation;
X-ray detection device detects X ray described X-ray tube irradiation and that see through described subject;
Voltage detection department (61), detect the high voltage generating unit input power voltage and compare with default reference voltage;
Voltage monitoring section (62) is according to the corresponding radiation of the comparative result output grant instruction of described voltage detection department (61).
5. X ray CT device as claimed in claim 4 is characterized in that, described voltage monitoring section (61) comprising:
Testing result reading unit (63) reads the voltage comparative result of described voltage detection department (61) by predetermined frequency;
Detect information recording unit (64), the voltage ratio that described testing result reading unit (63) reads is stored according to predetermined time than object information;
Radiation license control unit (65) is confirmed the voltage comparative result that described testing result reading unit (63) reads, if predetermined time described voltage comparative result satisfy rated condition, output radiation grant instruction then; If predetermined time described voltage comparative result do not satisfy rated condition, then output radiation can not instruction.
6. X ray CT device as claimed in claim 6, described voltage detection department (61) adopts voltage comparator.
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CN 201220521951 CN202799361U (en) | 2012-10-12 | 2012-10-12 | Voltage supervising device and X-ray CT device |
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CN 201220521951 CN202799361U (en) | 2012-10-12 | 2012-10-12 | Voltage supervising device and X-ray CT device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107753045A (en) * | 2016-08-23 | 2018-03-06 | 上海西门子医疗器械有限公司 | Sweep parameter determines method, system and X-ray scanning equipment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107753045A (en) * | 2016-08-23 | 2018-03-06 | 上海西门子医疗器械有限公司 | Sweep parameter determines method, system and X-ray scanning equipment |
CN107753045B (en) * | 2016-08-23 | 2020-10-23 | 上海西门子医疗器械有限公司 | Scanning parameter determination method and system and X-ray scanning equipment |
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Effective date of registration: 20160805 Address after: Japan Tochigi Patentee after: TOSHIBA MEDICAL SYSTEMS Corp. Address before: Tokyo, Japan Patentee before: Toshiba Corp. Patentee before: TOSHIBA MEDICAL SYSTEMS Corp. |
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Granted publication date: 20130313 |
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