CN219830898U - X-ray system fault analysis device for medical CT - Google Patents
X-ray system fault analysis device for medical CT Download PDFInfo
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Abstract
The utility model provides a fault analysis device of an X-ray system of a medical CT, and relates to the technical field of fault analysis devices. The system comprises a data acquisition system, a data storage system and a waveform display system which are sequentially connected in a communication way, wherein the data acquisition system is connected with a data acquisition cable group in a communication way. The utility model can collect key data waveforms of DCBUS voltage, cathode-anode high voltage, cathode-anode current, grid voltage G1G2, filament voltage, filament current and the like when the X-ray system works, is used for analyzing the change state of each parameter at the moment of failure, and is compared with the waveform of the normal state, thereby rapidly and accurately judging the failure part of equipment, eliminating the failure one by one without using a replacement method, providing a reliable technical means for engineers to judge the failure and replace accessories, saving manpower, material resources and time, and solving the problems of large failure maintenance workload, long equipment downtime, poor maintenance timeliness, dissatisfaction of customers and the like of the original X-ray system.
Description
Technical Field
The utility model relates to the technical field of fault analysis devices, in particular to an X-ray system fault analysis device for medical CT.
Background
CT is an electronic computer tomography, which uses precisely collimated X-ray beam, gamma ray, ultrasonic wave, etc. to scan one by one cross section around a certain part of human body together with a detector with extremely high sensitivity, and has the characteristics of quick scanning time, clear image, etc. and can be used for checking various diseases.
The X-ray system has more faults in the medical CT maintenance. The X-ray system consists of an X-ray generator (bulb tube), a high-voltage generator (anode and cathode), a cathode-anode cable, a high-voltage control system and the like. The failure of an X-ray system, such as a high voltage sparking failure, may involve all of the systems of the X-ray generator (bulb), the high voltage generator (anode, cathode), the cathode-anode cable, the high voltage control system, etc. According to the fault log of the equipment fault analysis system, the fault part cannot be accurately judged, and the prior art uses a replacement method to remove faults one by one, so that the problems of large fault maintenance workload, long equipment downtime, poor maintenance timeliness, waste of manpower and material resources and time, dissatisfaction of clients and the like exist in the maintenance of the X-ray system.
Disclosure of Invention
The utility model aims to provide a fault analysis device of an X-ray system of a medical CT (computed tomography), which can collect key data waveforms of DCBUS voltage, cathode-anode high voltage, cathode-anode current, grid voltage G1G2, filament voltage, filament current and the like when the X-ray system works, is used for analyzing the change state of each parameter at the moment of fault and comparing the change state with the waveform of a normal state, so that the fault part of equipment is rapidly and accurately judged, the fault part is not required to be removed one by a replacement method, reliable technical means are provided for engineers to judge the fault and replace accessories, manpower, material resources and time are saved, and the problems of large fault maintenance workload, long equipment downtime, poor maintenance timeliness, dissatisfied clients and the like of the original X-ray system are solved.
Embodiments of the present utility model are implemented as follows:
the embodiment of the utility model provides an X-ray system fault analysis device for medical CT, which comprises a data acquisition system, a data storage system and a waveform display system, wherein the data acquisition system is in communication connection with the data storage system; the data acquisition system is in communication connection with a data acquisition cable set.
Further, in some embodiments of the present utility model, the data acquisition cable set includes an X-ray generator positive voltage signal acquisition cable communicatively connected to the data acquisition system, and the X-ray generator positive voltage signal acquisition cable is configured to acquire an X-ray generator positive voltage signal.
Further, in some embodiments of the present utility model, the data acquisition cable set includes an X-ray generator negative voltage signal acquisition cable communicatively connected to the data acquisition system, the X-ray generator negative voltage signal acquisition cable being configured to acquire an X-ray generator negative voltage signal.
Further, in some embodiments of the present utility model, the data acquisition cable set includes an X-ray generator positive current signal acquisition cable communicatively connected to the data acquisition system, the X-ray generator positive current signal acquisition cable being configured to acquire an X-ray generator positive current signal.
Further, in some embodiments of the present utility model, the data acquisition cable set includes an X-ray generator negative current signal acquisition cable communicatively connected to the data acquisition system, the X-ray generator negative current signal acquisition cable being configured to acquire an X-ray generator negative current signal.
Further, in some embodiments of the present utility model, the data acquisition cable set includes an X-ray generator DCBUS voltage signal acquisition cable communicatively connected to the data acquisition system, and the X-ray generator DCBUS voltage signal acquisition cable is configured to acquire an X-ray generator DCBUS voltage signal.
Further, in some embodiments of the present utility model, the data acquisition cable set includes an X-ray generator grid voltage G1G2 signal acquisition cable communicatively connected to the data acquisition system, and the X-ray generator grid voltage G1G2 signal acquisition cable is configured to acquire an X-ray generator grid voltage G1G2 signal.
Further, in some embodiments of the present utility model, the data acquisition cable set includes an X-ray generator filament voltage signal acquisition cable communicatively connected to the data acquisition system, the X-ray generator filament voltage signal acquisition cable being configured to acquire an X-ray generator filament voltage signal.
Further, in some embodiments of the present utility model, the data acquisition cable set includes an X-ray generator filament current signal acquisition cable communicatively connected to the data acquisition system, the X-ray generator filament current signal acquisition cable being configured to acquire an X-ray generator filament current signal.
Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:
the embodiment of the utility model provides an X-ray system fault analysis device for medical CT, which comprises a data acquisition system, a data storage system and a waveform display system, wherein the data acquisition system is in communication connection with the data storage system; the data acquisition system is in communication connection with a data acquisition cable set.
The method can collect key data waveforms such as DCBUS voltage, cathode-anode high voltage, cathode-anode current, grid voltage G1G2, filament voltage, filament current and the like when the X-ray system works, is used for analyzing the change state of each parameter at the moment of failure, and is compared with the waveform in a normal state, so that the failure part of equipment can be rapidly and accurately judged, the failure is not required to be removed one by a replacement method, reliable technical means are provided for engineers to judge the failure and replace accessories, manpower, material resources and time are saved, and the problems of large failure maintenance workload, long equipment downtime, poor maintenance timeliness, dissatisfaction of clients and the like of the original X-ray system are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram provided by an embodiment of the present utility model;
fig. 2 is a waveform diagram of an example of data analysis.
Detailed Description
Examples
Referring to fig. 1-2, fig. 1 is a schematic diagram provided by an embodiment of the present utility model, and fig. 2 is a waveform diagram of an example of data analysis.
The embodiment provides an X-ray system fault analysis device for medical CT, which comprises a data acquisition system, a data storage system and a waveform display system, wherein the data acquisition system is in communication connection with the data storage system, and the data storage system is in communication connection with the waveform display system; the data acquisition system is in communication connection with a data acquisition cable set.
The data acquisition cable group comprises an X-ray generator positive voltage signal acquisition cable which is in communication connection with the data acquisition system, and the X-ray generator positive voltage signal acquisition cable is used for acquiring an X-ray generator positive voltage signal.
The data acquisition cable group comprises an X-ray generator negative voltage signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator negative voltage signal acquisition cable is used for acquiring an X-ray generator negative voltage signal.
The data acquisition cable group comprises an X-ray generator positive current signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator positive current signal acquisition cable is used for acquiring an X-ray generator positive current signal.
The data acquisition cable group comprises an X-ray generator negative current signal acquisition cable which is in communication connection with the data acquisition system, and the X-ray generator negative current signal acquisition cable is used for acquiring an X-ray generator negative current signal.
The data acquisition cable group comprises an X-ray generator DCBUS voltage signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator DCBUS voltage signal acquisition cable is used for acquiring an X-ray generator DCBUS voltage signal.
The data acquisition cable group comprises an X-ray generator grid voltage G1G2 signal acquisition cable which is in communication connection with the data acquisition system, and the X-ray generator grid voltage G1G2 signal acquisition cable is used for acquiring an X-ray generator grid voltage G1G2 signal.
The data acquisition cable group comprises an X-ray generator filament voltage signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator filament voltage signal acquisition cable is used for acquiring an X-ray generator filament voltage signal.
The data acquisition cable group comprises an X-ray generator filament current signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator filament current signal acquisition cable is used for acquiring an X-ray generator filament current signal.
So can pass the data acquisition cable group with X-ray generator positive pole voltage signal, X-ray generator negative pole voltage signal, X-ray generator positive pole current signal, X-ray generator negative pole current signal, X-ray generator DCBUS voltage signal, X-ray generator grid voltage G1G2 signal, X-ray generator filament voltage signal, X-ray generator filament current signal gathers the back and transmits to the data acquisition system, wherein the data acquisition system can adopt the singlechip, for example the chip that the model is AT89S51, after relevant voltage, current signal transmission to the singlechip, transmit to data storage system through the singlechip in and store, data storage system can adopt equipment with data storage function such as hard disk. The related signals stored in the data storage system can be transmitted to the waveform display system for display analysis, and the waveform display system can adopt devices such as a computer, an oscilloscope and the like.
Analysis example:
analytical example one: DCBUS voltage waveform change judging fault range
When the X-ray system works and exposes, each system of the device works cooperatively, when a certain part is in fault, corresponding parameters change, so that other parts in cooperative work are in fault abnormality, such as DCBUS voltage, voltage must be stable in working, the change rate is not more than 5%, and if the voltage drop exceeds the range in exposure, the DCBUS related rectifying module, the filter capacitor fault or performance reduction is judged. The corresponding high-voltage cathode and anode voltage also has a working voltage range, if a voltage drop exceeds a range, the component fails, and if the DCBUS and the high-voltage cathode have simultaneous drop, the failure is judged to be caused by the failure of the DCBUS related component, and is irrelevant to the high-voltage cathode and anode.
Analysis example two: comprehensive analysis of waveform change of each parameter at exposure moment to confirm ageing fault of bulb tube
The Philips ACCESS 16CT of a certain hospital intermittently reports errors in operation, the bulb fires, and the diagnostic program of the operation equipment cannot accurately determine the fault position. As shown in figure 2, the device is used for comprehensively analyzing waveform changes of parameters at the moment of exposure, analyzing that circuits such as filament driving and high voltage are normal, the current of a bulb at the moment of exposure is overshot from 80mA to 120mA, triggering overcurrent protection, the filament current is closed, the device reports error 'bulb ignition', the analysis confirms that the filament of the bulb is aged, the filament current (temperature) and the tube current exceed a linear region, and the fault is removed after the bulb is replaced.
The device can accurately confirm that the fault part is a bulb at one time, and does not need to perform replacement tests on high-voltage, filament driving and other circuit components, thereby saving a great deal of time and cost.
Analysis example three: accurate positioning of negative voltage faults
The device collects signals and then displays the waveform of a waveform display system, the voltage of a cathode is lower than the normal voltage by 20KV at the moment of exposure, and parameters such as the voltage of an anode, the voltage of a DCBUS, the current of a filament and the like are normal, so that the negative voltage caused by the fault of a cathode voltage-multiplying bag is lower than the normal value, and the fault is eliminated after the cathode high-voltage component is replaced.
The foregoing is merely a preferred embodiment of the present utility model, and it is not intended to limit the present utility model, and it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiment, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. An X-ray system fault analysis device for medical CT, characterized in that: the system comprises a data acquisition system, a data storage system and a waveform display system, wherein the data acquisition system is in communication connection with the data storage system, and the data storage system is in communication connection with the waveform display system; the data acquisition system is in communication connection with a data acquisition cable set.
2. The X-ray system failure analysis apparatus of a medical CT according to claim 1, wherein: the data acquisition cable group comprises an X-ray generator positive voltage signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator positive voltage signal acquisition cable is used for acquiring an X-ray generator positive voltage signal.
3. The X-ray system failure analysis apparatus of a medical CT according to claim 1, wherein: the data acquisition cable group comprises an X-ray generator negative voltage signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator negative voltage signal acquisition cable is used for acquiring an X-ray generator negative voltage signal.
4. The X-ray system failure analysis apparatus of a medical CT according to claim 1, wherein: the data acquisition cable group comprises an X-ray generator positive current signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator positive current signal acquisition cable is used for acquiring an X-ray generator positive current signal.
5. The X-ray system failure analysis apparatus of a medical CT according to claim 1, wherein: the data acquisition cable group comprises an X-ray generator negative current signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator negative current signal acquisition cable is used for acquiring an X-ray generator negative current signal.
6. The X-ray system failure analysis apparatus of a medical CT according to claim 1, wherein: the data acquisition cable set comprises an X-ray generator DCBUS voltage signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator DCBUS voltage signal acquisition cable is used for acquiring an X-ray generator DCBUS voltage signal.
7. The X-ray system failure analysis apparatus of a medical CT according to claim 1, wherein: the data acquisition cable group comprises an X-ray generator grid voltage G1G2 signal acquisition cable which is in communication connection with the data acquisition system, and the X-ray generator grid voltage G1G2 signal acquisition cable is used for acquiring an X-ray generator grid voltage G1G2 signal.
8. The X-ray system failure analysis apparatus of a medical CT according to claim 1, wherein: the data acquisition cable group comprises an X-ray generator filament voltage signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator filament voltage signal acquisition cable is used for acquiring an X-ray generator filament voltage signal.
9. The X-ray system failure analysis apparatus of a medical CT according to claim 1, wherein: the data acquisition cable group comprises an X-ray generator filament current signal acquisition cable in communication connection with the data acquisition system, and the X-ray generator filament current signal acquisition cable is used for acquiring an X-ray generator filament current signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321120651.5U CN219830898U (en) | 2023-05-10 | 2023-05-10 | X-ray system fault analysis device for medical CT |
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| CN202321120651.5U CN219830898U (en) | 2023-05-10 | 2023-05-10 | X-ray system fault analysis device for medical CT |
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- 2023-05-10 CN CN202321120651.5U patent/CN219830898U/en active Active
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