40 results about "Electron linear accelerator" patented technology

The present invention relates to a device-produced medical isotope 225 Photonuclear reaction preparation in Ac production technology 225 Ac radium target design, specifically involving a method for producing 225 Ac's 226 Ra isotope target and its application. 226 The Ra isotope target comprises a nickel substrate, 226 Ra isotope sample, nickel electroplating layer and nickel protective shell; wherein, 226 The Ra isotope sample is evenly concentrated in the center of the nickel substrate, and the nickel electroplating layer covers 226 The outer surface of the Ra isotope sample, and the nickel substrate and nickel electroplating layer will 226 The Ra isotope sample is wrapped in the middle; the nickel protective shell wraps the nickel electroplating layer. 226 Ra isotope targets can be used in electron linear accelerators as a photonuclear reaction production 225 Ac raw material target, can improve 225 Production of Ac isotopes.

The invention discloses an electron linear accelerator for radiotherapy equipment in an X-ray operation. The microwave power source sequentially passes through the circulator and the power divider and then is connected with the first coupler and the second coupler, the first coupler is connected with the first acceleration cavity to provide an independent microwave magnetic field, and the second coupler is connected with the second acceleration cavity to provide an independent microwave magnetic field. An electron gun of the electron linear accelerator is sequentially connected with the first acceleration cavity and the second acceleration cavity and then outputs electron beams; the first coupler inputs the microwave power to the first acceleration cavity, so that the first acceleration cavity optimizes the electron beam energy spectrum monochromaticity; and the second coupler inputs the microwave power into the second acceleration cavity, so that the second acceleration cavity accelerates the electron beam to required energy. According to the electron linear accelerator, the needed electron beam energy can be achieved only through the two cavities, a large amount of energy of the finally obtained electron beam is concentrated on the needed energy through the acceleration mode, and in other words, the energy spectrum monochromaticity is better.

The application discloses a quality control system and method of a medical electronic linear accelerator, and the quality control system comprises the following: an upper computer, an industrial computer, an MLC positioning accuracy module, a gantry angle detection module, a treatment bed positioning accuracy detection module, an ARM motion control positioning accuracy module and a CBCT motion control positioning accuracy module; the upper computer generates a quality control report according to the detection results collected by the MLC positioning accuracy module, the gantry angle detection module, the treatment bed positioning accuracy detection module, the ARM motion control positioning accuracy module and the CBCT motion control positioning accuracy module. The application can effectively reduce the time required for periodic detection of the medical electronic linear accelerator, reduce the manpower and material resources required in the detection process, realize complete multiple quality control plans, issue a quality control report, and accurately and intuitively express the quality inspection result.

The invention relates to the design of a radium target for preparing 225Ac through a photo-nuclear reaction in the technical field of production of a mechanical produced medical isotope 225Ac, in particular to a 226Ra isotope target for producing 225Ac and application of the 226Ra isotope target. The 226Ra isotope target comprises a nickel substrate, a 226Ra isotope sample, a nickel electroplated layer and a nickel protective shell; wherein the 226Ra isotope samples are uniformly concentrated at the central position of the nickel substrate, the nickel electroplated layer covers the outer surfaces of the 226Ra isotope samples, and the nickel substrate and the nickel electroplated layer wrap the 226Ra isotope samples in the middle; and the nickel protective shell wraps the nickel electroplated layer. The 226Ra isotope target can be applied to an electron linear accelerator and can be used as a raw material target for producing 225Ac through a photo-nuclear reaction, and the production quantity of the 225Ac isotope can be increased.

The utility model discloses a miniaturized beam unit module, and belongs to the technical field of electron linear accelerators. A miniaturized beam unit module comprises a magnetron assembly, a microwave system, a circulator assembly, an accelerating tube assembly, a primary collimating cone assembly and a fixed bottom plate. The magnetron assembly, the microwave system, the circulator assembly, the accelerating tube assembly and the primary collimating cone assembly are fixedly mounted on the fixed bottom plate; the magnetron assembly comprises a magnetron, and the magnetron is used for generating microwaves; the accelerating tube assembly comprises an accelerating tube; the microwave system is used for connecting the magnetron and the accelerating tube and feeding microwaves generated by the magnetron into the accelerating tube; the circulator assembly comprises a circulator, a waveguide port of the circulator is higher than a waveguide port of the magnetron, the circulator is arranged in the microwave system, and the circulator is used for isolating microwave power fed back to the magnetron; the position of the magnetron is moved downwards, so that the height of the waveguide port of the magnetron is lower than that of the waveguide port of the four-end circulator, and the purpose of miniaturization of the beam unit module is achieved.

A radiation dose rate control method, which relates to the technology of radiation, and an accelerator (100). The control method is used for an electron linear accelerator (100) comprising a microwave source, an electron gun (102) and an accelerating tube (104). The control method comprises: when an electron linear accelerator (100) outputs a beam, monitoring a first event used for indicating a change of a beam output parameter (S610), wherein the beam output parameter comprises a pulse of an electron gun (102) and a microwave power of a microwave source, and the first event is determined by means of radiation protection requirements; and in response to monitoring the first event, cutting off the pulse of the electron gun (102), and switching a first microwave power of the microwave source to a second microwave power, so that the leakage dose rate of a radiation safety boundary is less than or equal to a first preset threshold (S620), wherein the level of dark current in an accelerating tube (104) under the second microwave power is less than or equal to a second preset threshold. Further provided are a radiation dose rate control apparatus, an accelerator (100), and a radiation apparatus.

The utility model relates to the field of quality control of medical electron linear accelerators. Multi-dimensional radiotherapy dose measuring equipment comprises a multifunctional water tank, mounting grooves arranged in a matrix mode are formed in a bottom plate of the multifunctional water tank, the mounting grooves are used for placing thermoluminescence dosimeters, and film slots used for inserting films are formed in the bottom of the inner wall of the multifunctional water tank; three mounting holes with different heights are formed in a side plate of the multifunctional water tank, the mounting holes are used for being in butt joint with an ionization chamber plug or a water tank plug, and the water tank plug is used for blocking the mounting holes; the ionization chamber plug is used for installing the ionization chamber, and a through hole for inserting the ionization chamber is formed in the ionization chamber plug; the thermoluminescence dosimeter box further comprises a bearing bottom plate, bearing grooves distributed in a matrix mode are formed in the bearing bottom plate, and the bearing grooves are used for containing thermoluminescence dosimeters. By optimizing the structure of the water tank, compared with a traditional one-dimensional water tank, the dose measurement dimensionality is greatly improved.

This invention relates to an extreme ultraviolet (EUV) light source device, comprising a seed laser generator, an electron source, an electron linear accelerator, a first modulation section, a first dispersion section, a second modulation section, a second dispersion section, and an amplifier. A first electron beam generated by the electron source is accelerated by the electron linear accelerator to form a second electron beam. The seed laser generator generates a seed laser, and both the seed laser and the second electron beam are injected into the first modulation section to induce a first energy modulation in the second electron beam, resulting in a third electron beam. The first dispersion section compresses the third electron beam to form a fourth electron beam. The second modulation section induces coherent radiation in the fourth electron beam, which is then subjected to a second energy modulation by the coherent radiation to form a fifth electron beam. The second dispersion section compresses the fifth electron beam to form a sixth electron beam. The amplifier causes the sixth electron beam to radiate and emit kilowatt-level EUV light. The EUV light source device of this invention can generate EUV light with an average power in the kilowatt range and has a compact structure.

The invention discloses a klystron residual life prediction system and a klystron residual life prediction method, belongs to the technical field of electron linear accelerators, and aims to solve the problems that no method for predicting the klystron residual life exists, maintenance and replacement are often carried out when the klystron cannot work suddenly, and stocking / replacement of the klystron needs a quite long time, so that the klystron is inconvenient to use. The system comprises a data acquisition unit, a data transmission unit, a data storage unit, a data operation unit and a data output unit. By collecting and analyzing the key operation data of the klystron, the residual life of the klystron can be predicted more accurately, and maintenance or replacement plan errors caused by inaccurate prediction are avoided; by making a maintenance or replacement plan in advance, the shutdown time of equipment caused by sudden failure of the klystron can be shortened, so that economic loss caused by shutdown is reduced, and meanwhile, reasonable spare part inventory management can also avoid extra cost caused by insufficient spare parts or untimely replacement.

The utility model provides a superconducting electron linear accelerator device for isotope production, which comprises an injector, a superconducting acceleration module and an irradiation target area which are arranged in sequence, and the superconducting acceleration module is connected with a low-temperature cooling system, a radio frequency driving system and a control system; the superconducting acceleration module comprises a low-beta-value Ni3Sn superconducting cavity and five standard Ni3Sn superconducting cavity modules, the low-beta-value superconducting cavity is an SRF acceleration cavity of a 2-cell cavity with beta = 0.7, and each standard superconducting cavity module consists of four SRF acceleration cavities of the 2-cell cavity with beta = 1 which are connected in series; and the input end of the standard superconducting cavity module adopts a symmetrical double-input coupler. According to the linear accelerator device provided by the utility model, the Ni3Sn superconducting cavity adopts a 2-cell and double-input coupler structure, so that the power requirement of high-power input coupling can be reduced under high flow intensity, a high-power electron beam is generated at lower cost, and efficient and economic production of isotopes is realized.

The utility model relates to the field of electron linear accelerators, in particular to a beam observation debugging device. The device comprises a water tank, rollers, a mounting frame, a mounting platform and a camera, the bottom of the water tank is provided with a downwards-protruding skylight. A plurality of rollers are arranged on two sides of the bottom of the water tank; the mounting rack is arranged at the bottom of the water tank; the mounting platform is detachably connected with the mounting frame; the camera is arranged on the installation platform and faces the skylight. The camera is in communication connection with a network transmission line. According to the utility model, the beam debugging process is simplified and the debugging period is shortened by directly observing the beam light spot shape.

The present application provides a radiotherapy device belonging to the field of medical device technology, comprising a base, a first bedboard assembly and an electron linear accelerator disposed on the base, a second bedboard assembly disposed at an end of the first bedboard assembly, and a head fixation assembly and a torso fixation assembly disposed on the second bedboard assembly, wherein the electron linear accelerator is configured to emit X-rays. The radiotherapy bed of the radiotherapy device is composed of a first bedboard assembly and a second bedboard assembly, wherein the back support plate and the head support plate of the second bedboard assembly are positionally adjustable. During use, adjacent back support plates can be aligned with each other or form a first avoidance gap, and the head support plate can be aligned with adjacent back support plates or form a second avoidance gap, so that the tumor or surgical wound of the radiotherapy patient is located within the avoidance gap, thereby avoiding squeezing the patient's tumor or wound.

The invention relates to a device for producing radionuclides, in particular diagnostic and therapeutic radionuclides, on the basis of the principle of photo-nuclear radiation, comprising an electron accelerator (1), which generates an electron beam (2) with temporal structural features for the linear electron accelerator (1), a converter target assembly (21), which is arranged between the electron accelerator (1) and the converter target assembly (21), the invention relates to a converter target assembly (21) for generating radionuclides, comprising a converter target (20) for converting the electron beam (2) into bremsstrahlung photons (15), a plurality of production targets (17) irradiated by the bremsstrahlung photons (15) in order to generate the radionuclides, the converter target assembly (21) comprising a sealed housing (9) enclosing a cavity (19) accommodating the converter target (20), comprising an entrance window with a window disk (23) for the electron beam (2) and an exit window for the bremsstrahlung photons (15), comprising cooling medium ports (10) which are part of a cooling circuit (11) for establishing a cooling flow through the cavity (19) in order to cool the converter target (20) and the window disk (23), the converter target (20) comprises a plurality of rotatable converter discs (12), the electron beams (2) are arranged off-center with respect to the respective converter discs (12), and wherein the respective converter discs (12) are designed to rotate during operation of the device such that the converter discs (12) are arranged on the converter target (20) over time. The focus of the electron beam (2) is dispersed onto an annular region (14) of the converter disk (12) in multiple rotations.

The application discloses an output self-correction circuit for a medical electron gun grid power supply, comprising a low-voltage side control unit, an isolation transmission unit, a high-voltage side control unit, a grid power supply and an independent sampling network; the low-voltage side control unit receives a dose rate, an ambient temperature, an external sampling signal and an output voltage feedback signal, generates a corrected reference signal and transmits the corrected reference signal to the high-voltage side control unit through the isolation transmission unit; the high-voltage side control unit outputs a control increment to the grid power supply after F / V conversion of the corrected reference signal, simultaneously receives voltage feedback signals of the grid power supply and the independent sampling network, and transmits the voltage feedback signals to the low-voltage side control unit through the isolation transmission unit; the application provides the grid power supply with output self-correction for a medical electron linear accelerator, realizes long-term stability and parameter consistency of an electron gun emission beam current, does not need manual correction, and greatly improves work efficiency.

A radiation dose rate control method, which relates to the technology of radiation, and an accelerator (100). The control method is used for an electron linear accelerator (100) comprising a microwave source, an electron gun (102) and an accelerating tube (104). The control method comprises: when an electron linear accelerator (100) outputs a beam, monitoring a first event used for indicating a change of a beam output parameter (S610), wherein the beam output parameter comprises a pulse of an electron gun (102) and a microwave power of a microwave source, and the first event is determined by means of radiation protection requirements; and in response to monitoring the first event, cutting off the pulse of the electron gun (102), and switching a first microwave power of the microwave source to a second microwave power, so that the leakage dose rate of a radiation safety boundary is less than or equal to a first preset threshold (S620), wherein the level of dark current in an accelerating tube (104) under the second microwave power is less than or equal to a second preset threshold. Further provided are a radiation dose rate control apparatus, an accelerator (100), and a radiation apparatus.

The invention belongs to the technical field of parameter verification, and discloses a medical electron linear accelerator mechanical parameter verification method and system, and the method comprises the steps: obtaining a log file of the single use of a linear accelerator, extracting the actually executed mechanical parameters, and forming an actual execution sequence set; obtaining a plan file, extracting expected mechanical parameters, and forming an expected sequence set; obtaining a historical use record, and generating a self-adaptive tolerance standard; judging whether each mechanical parameter is qualified or not by applying a self-adaptive tolerance standard; calculating an actual execution dose distribution when at least one mechanical parameter is unqualified; and comparing the actually executed dose distribution difference with the original planned dose distribution difference, and generating a dose deviation evaluation report. Sensitivity differences of different treatment parts on various mechanical parameter deviations are considered through a self-adaptive tolerance standard, full-chain analysis from the mechanical parameter deviations to dose influences is achieved, and the accuracy and effectiveness of mechanical parameter verification are improved.

The utility model discloses an electron linear accelerator frame with a self-shielding device, which comprises a base, a sliding rail is arranged at the upper end of the base, a sliding seat is connected in the sliding rail in a sliding manner, and a moving mechanism for moving the sliding seat is arranged on the base; a bed body is fixedly mounted at the upper end of the sliding seat, a sliding cavity is formed in the upper end of the bed body, two protection plates are symmetrically arranged in the sliding cavity, and a rotating mechanism used for rotating the two protection plates is arranged in the bed body. According to the utility model, the stable and accurate rotation of the protection plate is realized, so that the radiation generated by the electron linear accelerator can be quickly and effectively shielded, and meanwhile, the rack is also provided with a flexible sliding seat design, so that the bed body can horizontally move to a required position, and accurate experiment or treatment operation can be conveniently carried out. The design not only improves the shielding efficiency and the cost effectiveness, but also enhances the flexibility and the operation convenience of the equipment.

The invention provides a variable-diameter beam scraping device used in an electron linear accelerator, which comprises a circular tube module structure, and the structure can realize axial movement under the driving of a motor; comprising a corrugated pipe structure which is welded with a circular pipe module; comprising a gear transmission structure which can convert axial movement of a circular tube module into rotation of an internal gear; comprising a movable baffle structure which can convert the rotation of a driven bevel gear into the change of the aperture. The beam scraping device has the advantages that the variable-diameter beam scraping device is arranged inside the corrugated pipe, and the driving mechanism is arranged outside the corrugated pipe, so that the vacuum state of the beam scraping device during working is met. Secondly, by means of the axial flexibility of the corrugated pipe, external movement is achieved to drive the internal hole diameter to change.

The application discloses a dose control device and method of a medical electronic linear accelerator, which comprises an electronic pulse generator, a microwave pulse generator, a control computer, a trigger pulse generator, a counting frequency divider, a dose counter, a switch, a first circuit, a second circuit and an ionization chamber; the output end of the trigger pulse generator is in communication connection with the input end of the dose counter through the counting frequency divider, the output end of the dose counter is in communication connection with the input end of the switch, and the output end of the switch is in communication connection with the input end of the electronic pulse generator through the first circuit; the output end of the trigger pulse generator is also in communication connection with the input end of the switch; and the output end of the trigger pulse generator is also in communication connection with the input end of the microwave pulse generator through the second circuit. The application has the advantages of simple structure, high reliability and the ability to realize meticulous, more accurate and more balanced dose distribution.

The invention provides an electron linear accelerator laser feed-in structure, which comprises a fixed base and a vacuum chamber, and is characterized in that the vacuum chamber is provided with a first port and a second port; the three third ports are distributed on the left side, the right side and the upper side of the vacuum chamber; the observation window assemblies are arranged on the third ports, and horizontal adjusting plates are arranged in the two third ports located on the left side and the right side and installed on the third ports; the transverse position adjusting plate is mounted on the horizontal adjusting plate; the angle direction adjusting plate is mounted on the transverse position adjusting plate, and an included angle is formed between the angle direction adjusting plate and the transverse position adjusting plate; the lenses are installed on the side, close to the first port, of the angle direction adjusting plate, and a beam bunch channel allowing an electron beam bunch to penetrate through is formed between the two lenses on the two opposite third ports; and external laser is emitted to the lens from one of the third ports provided with the lens. According to the invention, the influence caused by mechanical processing accumulative errors can be effectively compensated, and the adjustment convenience of the laser feed-in circuit is improved.

The present invention provides an EPID-based detection method, device, equipment and medium for an electron linear accelerator, relating to the field of electron linear accelerator detection; the method includes the following steps: collecting multiple EPID images of an EPID irradiating a target object multiple times, and taking each of the EPID images as a target image; calculating the MU linear value of the electron linear accelerator based on the multiple target images, and calculating the field flatness value and the field symmetry value of the electron linear accelerator based on a single target image; determining whether the MU linear value, the field flatness value and the field symmetry value are respectively within their corresponding set requirement ranges; applying the imaging function of the EPID system to the daily detection of the electron linear accelerator, greatly improving the daily detection efficiency of the electron linear accelerator, eliminating the need to rely on additional purchased quality control equipment, and reducing the cost of daily detection.

The invention discloses an ultrahigh-dose-rate electron beam dose control system and method and related equipment, and relates to the technical field of electron linear accelerators, and the system comprises a pulse generation module which is used for generating a pulse beam; the pulse monitoring module is used for monitoring the number of pulse beams and transmitting the number to the dose control module; the pulse beam sampling module is used for collecting the pulse beam dose and transmitting the pulse beam dose to the dose control module; the dosage control module is used for performing beam output control on the pulse beams according to the number of the pulse beams, the dosage of the pulse beams and a dosage scheme, and setting the dosage scheme through a dosage scheme setting module; by using pulse generation, independent monitoring, sampling and interrupting circuits, and dynamically adjusting the dose scheme and directly controlling the outgoing beam through the dose scheme, dose control accuracy and reliability at very high dose rates are ensured while providing higher safety and operational flexibility.

The utility model relates to a low-position transportation protection device which is characterized in that one end of a medical electron linear accelerator is detachably connected with a low-position roller device through a plurality of third screws, and the other end of the medical electron linear accelerator is detachably connected with a low-position welding support through a first screw. The low-position welding support is detachably connected with the electric tank through a second screw, and the medical electron linear accelerator is lifted away from the ground and can be moved and transferred. The height of the gravity center of the medical electron linear accelerator can be reduced in the transportation process, and the medical electron linear accelerator can pass through a door opening with the height of 2000 mm under the condition that the levelness and the flatness of the ground are very high.

The utility model relates to a large-scale medical equipment installation transfer device, which belongs to the technical field of annular medical electron linear accelerator installation and comprises a frame body, the frame body is of an open I-shaped structure, two universal wheels are respectively installed at two ends of the frame body, rotating arms are installed on the universal wheels, the rotating arms are hinged with a handle, the rotating arms are driven by the handle, and the rotating arms are fixed on the frame body. The directions of the universal wheels are controlled, and the rotating arms of the two universal wheels at the same end are connected through a pull rod so as to guarantee synchronous steering; a mounting hole for connecting equipment is formed in the top of the frame body, and a plurality of adjustable heavy-load foot cups are mounted at the bottom of the frame body; the frame body is of the open I-shaped structure, a worker can stand on the periphery of the frame body to conduct installation and debugging work conveniently, the two universal wheels are installed at the two ends respectively, the two ends can steer at the same time, and transfer in a limited machine room labyrinth channel is facilitated; the adjustable heavy-load foot cups are arranged at the bottom of the frame body, so that the frame body is stably supported during installation or debugging.

1. Name of the Design Product: Water Tank (Three-dimensional). 2. Use of the Design Product: For quality control of remote radiotherapy machines, and is an important tool for calibrating and verifying the output dose distribution of medical electron linear accelerators. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective view.

The utility model relates to the technical field of medical electron linear accelerators, in particular to a primary collimator suitable for an electron linear accelerator, which comprises a target unit, a primary collimator upper unit, a primary collimator lower unit, a flattening device and an ionization chamber which are sequentially arranged from top to bottom along a central axis, and a ray target is mounted in the target unit. According to the utility model, the primary collimator is adopted to replace the original primary and secondary collimators, so that the function of converting a circular radiation field into a square radiation field is realized, the space of the machine head is saved, the treatment space can be effectively increased by 10cm or more, the radiation leakage probability and the protection design difficulty caused by cascade connection are reduced, and the leakage rate of the machine head can be reduced to below 0.1%; the problems of insufficient treatment space, increased radiation leakage and the like caused by a two-stage three-layer structure of the primary collimator and the secondary collimator are solved.

The application discloses a medical particle accelerator magnet vacuum device and belongs to the technical field of magnet vacuum devices. The medical particle accelerator magnet vacuum device comprises a vacuum cylinder, a vacuum cavity is formed in the inner side of the vacuum cylinder, and a filtering assembly, an electron acceleration tube, a sealing assembly and a movable focusing assembly are sequentially arranged in the inner side of the vacuum cavity. The application solves the problem that the focusing structure of a common electron linear accelerator is a fixed structure and cannot be moved, so that the diameter of a particle beam cannot be controlled and adjusted by adjusting the position of the focusing structure. Moreover, the existing electron beam observation structure cannot obviously and intuitively observe the electron beam. In the application, part of the magnetic field generated by the focusing electromagnetic coil II interferes with the electron beam in the vacuum cavity through the magnetic permeable groove and the matching groove, so that the electron beam is focused. The relative position of the magnetic field and the electron beam is adjusted by adjusting the relative position of the matching groove and the magnetic permeable groove.

The application provides a method for installing solenoid of an electron linear accelerator, which comprises the following steps: setting a front stand; setting a middle stand for installing at least one component of the front part in the rear section and a solenoid focusing assembly, wherein the solenoid focusing assembly is slidably arranged on the middle stand; setting a rear stand for installing an accelerating tube assembly; when replacing the solenoid, removing all the components of the front part on the middle stand and the support seat thereon, moving the solenoid focusing assembly towards the front stand to make the solenoid out of the accelerating tube; assembling a new solenoid into the solenoid focusing assembly and moving the solenoid focusing assembly towards the rear stand to make the solenoid into the accelerating tube; then, assembling the support seat on the middle stand; and installing the removed components on the middle stand and performing system collimation.

The invention discloses a blade heat conduction analysis method based on an electron linear accelerator CT system, and the method comprises the steps: carrying out the bright / dark field correction of a CT imaging system after the electron linear accelerator CT system is preheated and aged; performing cone beam scanning on the to-be-detected blade to obtain a DR scanning data set of the blade; reconstructing the DR scanning data set of the workpiece into a two-dimensional CT fault data set of the blade and a three-dimensional voxel model of the blade by using an image reconstruction system; any two layers of parallel two-dimensional fault diagrams of the blade are designated as inlet and outlet positions of thermal conductivity analysis, and a region range of thermal conductivity analysis is generated; setting a thermal conductivity parameter of a blade material and a relative temperature difference between an inlet position and an outlet position, setting a convergence error and the maximum number of iterations, and automatically analyzing the thermal conductivity of the blade to form a convergence graph; the thermal conductivity analysis result is displayed, and the detection requirements for the large-size aero-engine turbine blade complex three-dimensional structure and thermal conductivity analysis are met.

The embodiment of the present application provides a mobile flaw detection system, the mobile flaw detection system comprises a track moving device, a driving device and an electron linear accelerator, the track moving device comprises a track and a moving vehicle, the track extends along a first direction, and the track is used for carrying the moving vehicle so that the moving vehicle can move along the first direction; the driving device is arranged on the moving vehicle, the driving device comprises a first driving assembly and a second driving assembly, the second driving assembly is drivingly connected with a driving part of the first driving assembly, so as to drive the second driving assembly to move along a second direction; the electron linear accelerator is drivingly connected with the driving part of the second driving assembly, so as to drive the electron linear accelerator to move along a third direction, and the first direction, the second direction and the third direction intersect with each other. The mobile flaw detection system in the embodiment of the present application realizes the purpose that the electron linear accelerator moves arbitrarily in a three-dimensional space; by adopting the track carrying mode, it is beneficial to install the electron linear accelerator with large size and large weight.