108 results about "Electron acceleration" patented technology

Disclosed in the present invention are a scanning box device and an electron accelerator, the electron accelerator comprising an accelerating tube and a deflection coil; the scanning box device comprising a scanning chamber and a scanning box, wherein the scanning chamber is sealingly connected to the scanning box; the scanning chamber is arranged above the scanning box; the accelerating tube is arranged above the scanning chamber; the deflection coil is arranged on the outer side of the scanning chamber; and the scanning chamber is made of a non-metallic material. The present invention can prevent the generation of eddy currents in the scanning box, thus reducing the problems of energy loss and heat generation, improving the performance and stability of the apparatus.

The embodiment of the invention discloses a cold cathode flat plate X-ray source capable of coding light emitting and a coding light emitting method, the ray source comprises a vacuum sealing cavity, a cathode assembly and an anode assembly, the cathode assembly and the anode assembly are arranged in the vacuum sealing cavity in a sealing manner, and the cathode assembly and the anode assembly are oppositely arranged at an interval; a vacuum working space for electron acceleration and X-ray generation is formed; the cathode assembly comprises a cathode substrate and a nano cold cathode electron source array arranged on the cathode substrate; the anode assembly comprises an anode substrate and a transmission anode target arranged on the anode substrate; wherein at least one of the nanometer cold cathode electron source array and the transmission anode target is in a coding state: when the nanometer cold cathode electron source array is in the coding state, the nanometer cold cathode electron source array comprises a micro-unit electron source array capable of independently addressing, and a preset coding pattern is formed; and when the transmission anode target is in a coding state, a metal coating with a preset coding pattern is formed on the surface of the anode substrate through a micromachining process so as to integrate a coding function.

The invention provides a planar distribution multi-beam electron gun, and relates to the technical field of microwave electric vacuum, and the planar distribution multi-beam electron gun comprises a housing; the cathode assembly is arranged in the shell, the cathode assembly comprises a cathode head, the surface of the cathode head is provided with a plurality of emitting surfaces which are arranged in a common plane in parallel at intervals, and the emitting surfaces are configured to escape electrons after being heated; the anode is arranged in the shell, and an electric field is formed between the anode and the emitting surfaces so as to accelerate escaped electrons, so that a plurality of electron beams are formed; the focusing electrode is arranged between the cathode head and the anode, an opening is formed in the focusing electrode, a plurality of grid wires are arranged on the opening, a grid gap between every two adjacent grid wires is aligned with the multiple emission surfaces in the emission direction of the electron beams, and the multiple grid wires are constructed to control beam diameters and divergence angles of the multiple electron beams; each electron beam passes through the gate slot aligned with the emission surface on which the electron beam is formed and enters the anode.

The invention relates to the technical field of lasers, and discloses a corona-based creeping spark discharge strong pre-ionization pulse gas laser which comprises a main frame chamber, a pre-ionization device is fixedly mounted at the top of an inner cavity of the main frame chamber, a cathode electrode is arranged at the top of the inner cavity of the main frame chamber, and a connecting copper sheet is fixedly mounted on the lateral upper portion of the inner wall of the main frame chamber. A flow guide plate is fixedly installed on the connecting copper sheet, and an anode electrode is fixedly installed at the top end of the flow guide plate. A corona-based creeping spark discharge strong pre-ionization pulse gas laser is characterized in that a pre-ionization area can be formed on a pre-ionization device and structures on the pre-ionization device, electrons in the pre-ionization area move in an accelerated manner under the action of electric field force, and in the movement process, the electrons in the pre-ionization area are separated from the pre-ionization device. And the electrons and other gas particles are subjected to inelastic collision and ionization or excitation, so that high-concentration and uniform initial electrons are generated, a micro-discharge channel is formed, and continuous seed electrons are provided for a core discharge region of the micro-discharge channel.

The invention discloses an electricity leading device and an electron accelerator, the electron accelerator comprises an accelerating tube device, the accelerating tube device comprises an insulating tube, the insulating tube is provided with a plurality of electricity leading holes, the accelerating tube device comprises a plurality of electrode plate devices, the electricity leading device comprises an electricity leading screw, a screw head and a sealing ring, and the sealing ring is provided with a sealing ring. An annular groove is formed in the front side of the screw head, a sealing ring is installed in the annular groove, the electricity leading screw penetrates through the electricity leading hole to be in threaded connection with the electrode slice device, and the screw head presses the sealing ring on the outer side of the electricity leading hole in the outer surface of the insulating tube. According to the electricity leading device, the connection effect of the electrode plate and the anode resistor can be achieved, meanwhile, the position of the electrode plate device can be fixed, the electricity leading device can further seal the accelerating tube of the electron accelerator, the accelerating tube is convenient and rapid to assemble, and the production speed is increased.

The invention discloses a generating device of a surface electromagnetic wave radiation source, which can be applied to the technical field of electromagnetic waves. The plasma excitation unit is used for generating plasma, and the plasma acceleration unit comprises an electron acceleration power supply, a cathode end face, a slow wave circuit, a plurality of insulation spacers, a plurality of acceleration poles and an output end face. An electron beam channel is formed in the middle area of the upper surface of the slow wave circuit and the middle area of the lower surface of the cathode end face, the insulation spacers, the acceleration poles and the output end face, and meanwhile the insulation spacers and the acceleration poles are arranged between the cathode end face and the output end face at intervals. The speed of the plasma in the electron beam channel output by the plasma excitation unit is adjusted through the plasma acceleration unit, so that the electromagnetic wave radiation source under the target frequency, the target bandwidth or the target power can be output, and the electromagnetic wave radiation source with high frequency, wider bandwidth and high power can be obtained.

The invention discloses a beam spot adjusting method and an electron accelerator, the electron accelerator comprises an anode potential adjusting device and an electron extraction device, a hot cathode of the electron accelerator is arranged on the electron extraction device, and the beam spot adjusting method comprises the following steps: acquiring physical parameters of an accelerating tube of the electron accelerator; calculating the beam waist position of the electron beam bunch according to the physical parameters of the accelerating tube; the control quantity of an anode potential adjusting device is obtained according to the girdling position; and adjusting the beam spot size of the outlet of the accelerating tube by using the control quantity. According to the invention, the extraction electric field distribution can be obtained, the purpose of controlling the beam envelope is achieved, so that the electron beam bunch safely arrives at the outlet of the electron accelerator, and the dynamic adjustment of the accelerator extraction outlet beam spot size within a certain range is realized by controlling the potential difference between the cathode and the anode.

An anode potential adjustment device and an electron accelerator. The electron accelerator comprises a first electrode sheet (201), a second electrode sheet (202) and a high-voltage end (203), wherein the high-voltage end (203) is connected to the first electrode sheet (201). The anode potential adjustment device comprises a varistor (101) and an oil cylinder (102), wherein the varistor (101) is connected between the first electrode sheet (201) and the second electrode sheet (202); and the oil cylinder (102) is connected to a hydraulic pump by means of a hydraulic oil pipe, a piston of the oil cylinder is connected to the varistor (101), and the piston is configured to drive the varistor (101) to adjust a resistance value. The anode potential adjustment device can observe changes of a beam in real time when a high voltage and the beam exist at the same time, thereby making it easier to select an anode resistor (1010).

The invention relates to the technical field of accelerator beam calibration, in particular to an electron accelerator beam calibration water absorption target device which comprises a suspension support, an installation platform is arranged at one end of the suspension support, and a calibration target is detachably installed on the installation platform; the calibration target comprises a detachable water tank mounted on the platform, the water tank is filled with a liquid medium for absorbing beam energy, and no bubble exists in the water tank; the water tank is horizontally arranged along the beam propagation direction of the electron accelerator, and the cross section is perpendicular to the beam incidence direction; according to the invention, the regular hexagonal honeycomb array measurement subareas are formed in the water tank through the thermal insulation partition plates, the regular hexagonal honeycomb array measurement subareas are further refined into the independent spacer areas in cooperation with the net-shaped partitions, and the regular hexagonal densely-laid structure has no measurement blind area and can completely cover the cross section of a beam; meanwhile, the side lengths and the volumes of all the partitions are consistent, and the standard unification of all the measuring units is ensured.

This invention discloses a vortex cooling device and an electron accelerator system, including a gas supply module, at least one vortex cooling component, and a heat exchange tube. The vortex cooling component has a vortex air channel and is provided with a gas inlet, a cold gas outlet, and a hot gas outlet. The cold gas outlet is connected to the first end of the vortex air channel, and the hot gas outlet is connected to the last end of the vortex air channel. The gas inlet is connected to the vortex air channel and is located between the cold gas outlet and the hot gas outlet. The gas supply end of the gas supply module is connected to the gas inlet. The heat exchange tube is used to contact the converging plate of the electron accelerator for heat exchange. The heat exchange tube includes a heat exchange air channel, at least one air inlet, and an air outlet. The heat exchange air channel is connected to the air inlet and the air outlet respectively. The cold gas outlet is connected to the air inlet, and the air outlet is connected to the irradiation cavity. This design has a good cooling effect, making the electron accelerator operate stably and continuously providing inert gas to the irradiation cavity, which is safe and reliable.

The invention discloses a 10 MeV-level high-brightness ultrafast electron beam source based on quasi-linear laser wake field acceleration and a generation device thereof. Miniaturized repetition frequency ten-megawatt-level femtosecond laser interacts with a gas target capable of generating special gas flow distribution; based on a new quasi-linear laser wake field electron acceleration mechanism, the generation of a 10 MeV-level high-brightness high-performance ultrafast electron beam source can be accelerated. The device effectively solves the problem that it is difficult to accelerate generation of ultrafast electron beams with low energy dispersion, low emittance, high flow intensity, femtosecond pulse width, high brightness and high performance in a sub-ten-megawatt femtosecond laser driving wake field. Therefore, the method is expected to be widely applied to advanced fields such as ultrafast electron diffraction imaging and pumping detection, laser wake field and plasma diagnosis and measurement, high-energy particle acceleration, novel ultrafast coherent radiation source generation and the like.

The invention discloses a multimode resonance simulation cavity and an electron accelerator simulation device, the multimode resonance simulation cavity comprises a main simulation cavity, the main simulation cavity is provided with an input port, and the main simulation cavity accesses a power radio frequency signal through the input port; the at least one secondary simulation cavity is sequentially coupled and connected, and the first secondary simulation cavity in the at least one secondary simulation cavity is coupled and connected with the main simulation cavity; and the frequency modulation device is used for adjusting resonant frequencies of the main simulation cavity and the plurality of secondary simulation cavities. The invention solves the problem of single resonant mode of the analog cavity.

The invention relates to the technical field of electron accelerators, and particularly provides a modular electron accelerator pulse modulator device. The device comprises a cabinet, a system main controller, a central dynamic energy pool and a power module cluster composed of N power modules. The power modules are installed in a pluggable mode through the backboard slots and form a hybrid cascade Marx topology through the series busbars. The system main controller is integrated with a digital twinborn calculation module, coordinates the central dynamic energy pool to execute non-uniform energy distribution on each power module through a control bus, and controls each module to pre-shape an output pulse waveform. And each power module comprises a module energy storage unit, a module power switch unit and a module fine tuning unit formed by a GaN FET, and is used for realizing nanosecond precision correction of a pulse waveform. According to the invention, through modularized and intelligent control, the problems of pulse waveform distortion, low energy efficiency and insufficient reliability of a traditional device are effectively solved.

The utility model discloses a beam signal monitoring device for an electron accelerator, which relates to the technical field of electron accelerators, and comprises a base, a Faraday cup monitor arranged above the base and used for monitoring the current value of an electron beam, and a cooling mechanism arranged above the base and used for cooling, the cooling mechanism comprises a water storage tank, one side of the water storage tank sequentially communicates with a connecting pipeline, a water pump, an extending pipeline and a cooling pipeline, the cooling pipeline is located above the Faraday cup monitor, and the end, away from the extending pipeline, of the cooling pipeline fixedly communicates with a backflow pipeline; the end, away from the cooling pipeline, of the backflow pipeline fixedly communicates with the water storage tank. And the air cooling part is arranged above the Faraday cup monitor and is used for blowing air to flow. The beam signal monitoring device of the electron accelerator is convenient to cool, so that the service life of the monitoring device is prolonged, and the monitoring accuracy of the monitoring device is improved.

The utility model discloses a self-shielding electron accelerator, which relates to the technical field of electron accelerators, solves the problems of poor anti-radiation effect and inconvenience in assembly and disassembly of the existing device, and adopts the following scheme that the top surface of a vertical plate is provided with a side plate of which the specification is matched with that of the vertical plate. Through the arrangement of the side plates, the water tank and the anti-radiation shielding cloth, the side plates and the top plate made of steel plates can shield radiation on the side faces and the top face, the anti-radiation shielding cloth can shield radiation on the left side and the right side, the water tank on the bottom face can absorb a large amount of radiation, and the radiation shielding effect is good; meanwhile, through the arrangement of the mounting holes A, the threaded holes A and the mounting holes C, the mounting holes A and the mounting holes B can facilitate the mounting of the bottom plate and the vertical plate, the threaded holes A and the threaded holes B facilitate the mounting of the side plate, the mounting holes C and the mounting holes D facilitate the mounting of the top plate, the mounting and dismounting are simple and convenient, and the use convenience is improved.

The invention provides an experimental device for measuring radiolysis gas yield and recording radiolysis bubble behaviors and an experimental method thereof, and belongs to the technical field of flow measurement. The problem that in the prior art, radiolysis gas yield cannot be measured while radiolysis bubble behaviors cannot be recorded is solved. The device comprises an electron accelerator, a quartz glass container, a gas chromatograph, a helium purging device, a high-speed camera, a light supplementing lamp, a reflecting mirror and a data acquisition system, the electron accelerator and the quartz glass container are connected with the data acquisition system, and the two ends of the quartz glass container are connected with the gas chromatograph and the helium purging device respectively. Reflecting mirrors are arranged on the two sides of the quartz glass container, a light supplementing lamp is arranged below the reflecting mirror close to the helium purging device, a high-speed camera is arranged below the other reflecting mirror, and the high-speed camera is connected with a data acquisition system. The device is mainly used for measuring the yield of radiolysis gas and the behavior of radiolysis bubbles.

The application discloses an electronic accelerator, and relates to the technical field of electronic accelerators. The electronic accelerator comprises a transistor microwave source, an amplification circuit and an acceleration tube. The transistor microwave source is used for generating radio frequency power; the amplification circuit comprises an input end and an output end, the input end is connected with the transistor microwave source, and the amplification circuit is used for amplifying the radio frequency power generated by the transistor microwave source to preset power; the acceleration tube comprises an acceleration cavity, and the output end is connected with the acceleration cavity so as to transmit the preset power to the acceleration cavity. The electronic accelerator disclosed by the application can realize the miniaturization of the whole electronic accelerator.

This application relates to the field of laser technology and discloses a corona-based surface spark discharge high-intensity pre-ionization pulsed gas laser, including a main frame chamber. A pre-ionization device is fixedly installed on the top of the main frame chamber, and a cathode electrode is provided on the top of the main frame chamber. A connecting copper plate is fixedly installed on the upper side of the inner wall of the main frame chamber, and a guide plate is fixedly installed on the connecting copper plate. An anode electrode is fixedly installed on the top of the guide plate. In this corona-based surface spark discharge high-intensity pre-ionization pulsed gas laser, the pre-ionization device and its structure can form a pre-ionization region on the pre-ionization device. Under the action of an electric field, electrons in the pre-ionization region accelerate. During this motion, electrons collide with other gas particles inelastically and undergo ionization or excitation, thereby generating a high-concentration and uniform initial electron and forming a micro-discharge channel, providing a continuous supply of seed electrons to its core discharge region.

The invention provides a high-power femtosecond laser peak power multiplying device based on sheet self-compression. The high-power femtosecond laser peak power multiplying device is composed of a high-power femtosecond laser pulse, a thin lens, a fused quartz solid sheet set, a movable sliding rail, a convex reflector, a dielectric film reflector and a self-compression pulse in sequence in the direction of an incident light beam. The characteristic that negative dispersion can be generated due to the fact that femtosecond laser transmits the fifth-order nonlinear effect in quartz glass is utilized to be balanced with the Kerr effect and the positive dispersion of a quartz glass material, and the spectrum is broadened to achieve pulse self-compression under the condition that the quality of light beams is kept during transmission. Peak power multiplication of high-power femtosecond laser pulses can be achieved in a pulse self-compression mode, and the device has the advantages of being simple in structure, convenient to operate, stable, efficient and wide in application range. The device can be applied to the field of high-power femtosecond laser pulse compression and shaping, and can be better applied to application research of laser electron acceleration, higher harmonic generation and the like.

This utility model belongs to the technical field of electromagnetic shielding equipment, specifically relating to a lifting mechanism for an electron accelerator shielding room. It includes a base, with several supports vertically fixed at the four corners of the top of the base. Each support has a fixed seat fixedly connected to its top, and fixed chambers are fixedly connected between the fixed seats. A movable chamber is detachably provided at the bottom of each fixed chamber. Several sliders are fixedly connected to both sides of the movable chamber. A linear slide rail is provided on the side wall of the support facing the movable chamber, and the sliders are slidably connected to adjacent linear slide rails. The advantages of this utility model are that by providing a pair of symmetrically arranged hydraulic cylinders and a synchronous hydraulic valve, the installation difficulty of the hydraulic cylinders can be effectively reduced, the installation process simplified, and maintenance of the hydraulic cylinders facilitated. Furthermore, the synchronous hydraulic valve can simultaneously control the oil inlet and outlet of the two hydraulic cylinders, thereby ensuring the consistency of the actions of the two hydraulic cylinders and achieving smooth lifting of the shielding room.

The invention belongs to the field of X-ray imaging, and provides a double-energy-point double-magnification imaging device and method based on a time broadening type framing camera, and the device comprises a pinhole sheet and the time broadening type framing camera; the method comprises the steps of pinhole piece and time broadening type framing camera imaging, geometric mapping model construction, distortion correction function fitting and image calibration. According to the invention, photoelectron imaging and transmission light imaging are realized at the same time by using the time-broadening framing camera, so that two spatially corresponding images are formed; the difference between electron acceleration and focusing characteristics in the time-broadening framing camera can be reflected by comparing the size and distortion difference of the straight-through light image and the photoelectron image, and dual-channel response mutual calibration is achieved.

This invention relates to the field of cathode assembly technology, and more particularly to a cathode assembly for electron accelerators, comprising a cathode cylinder with a maintenance mechanism provided on one side surface. This cathode assembly for electron accelerators allows operators to quickly and easily fix the assembly by simply aligning the position markings, inserting the locking block into the placement slot, rotating the protective cover to engage the locking block, and then tightening the connecting ring along the threaded groove to the limiting ring. No special tools are required. The position markings prevent misalignment during installation, ensuring precise alignment between the protective cover and the cathode cylinder. The insert ring is embedded in the fixing ring slot, and the first and second sealing rings fit tightly together. A spring continuously applies elastic force to the second sealing ring through a guide rod and a bearing ring, ensuring that the sealing surfaces remain in close contact. The protective cover is made of high thermal conductivity aluminum alloy, and a thermally conductive silicone grease filling layer is provided between the insert ring and the fixing ring to improve heat conduction efficiency, effectively reduce internal temperature, and prevent heat accumulation from affecting the sealing assembly and structural components.

The utility model discloses a kind of high-power irradiation electron accelerator air path thermostats, including cabinet and install the air path control system of the cabinet, the air path control system includes SF6 gas cylinder, refrigeration plant and vacuum pump sequentially communicated by pipeline, the refrigeration plant is used to carry out temperature regulation to SF6 gas in pipeline, the vacuum pump is used to push after temperature regulation SF6 gas, SF6 gas can be pushed to vacuum waveguide ceramic window heat exchange and be recycled to the air path control system by pipeline, to form one-way circulation air path. The utility model provides required stable temperature and pressure conditions for vacuum waveguide ceramic window section by SF6 gas circulation.

The invention discloses a grid potential adjusting device and a point light source electron accelerator, the electron accelerator comprises a sealing box body, a cathode, a grid plate and a mounting plate, the cathode is mounted in the mounting plate, and the grid plate is mounted below the mounting plate and is aligned with the cathode; the grid potential adjusting device comprises a first magnetic connector, a potential control piece and a potentiometer, the first magnetic connector comprises a first magnetic piece and a second magnetic piece, the first magnetic piece is magnetically connected with the second magnetic piece, the first magnetic piece is connected with the potential control piece, and the second magnetic piece is connected with a rotating shaft of the potentiometer. And a power line of the electron accelerator is electrically connected with the mounting plate through the electricity leading interface and is also electrically connected with the grid plate through the potentiometer. The invention is suitable for the point light source electron accelerator, provides a technical scheme with variable potential difference between the cathode and the grid electrode for the light and miniaturized electron accelerator, and can adjust the parameters of the electron accelerating electric field, thereby meeting the requirements of various application scenes.

A power supply for an electron accelerator includes a spiral coil formed by winding an insulating wire, the spiral coil extending in a vertical direction; the spiral coil is divided into a first coil portion and a second coil portion in the vertical direction; an electric conductor is disposed in a passage in the first coil portion, the electric conductor being movable in the vertical direction along the passage, and the electric conductor being capable of being located entirely in the passage or entirely outside the passage. The inductance of the inductor is variable.

The utility model relates to an infectious medical waste disinfection treatment device which comprises a crusher used for crushing infectious medical waste, the crusher comprises a rack, a crusher feeding port, a driving motor, a crusher main shaft, a crusher rotor, a high-pressure output pipe and a discharging hopper, the crusher rotor is installed on the crusher main shaft, and the driving motor is installed on the rack; the driving motor is connected with a main shaft of the crusher, and crushed medical wastes are output through the high-pressure output pipe and then are sprayed out from the discharging hopper. And the electron accelerator is used for performing irradiation treatment on the crushed infectious medical wastes. The conveying belt is used for receiving the medical waste crushed by the crusher and conveying the medical waste to an irradiation opening of the electron accelerator, the crusher is arranged on one side of the conveying belt, and the electron accelerator is arranged on the other side of the conveying belt. The infectious medical waste disinfection treatment device has the advantages of being low in energy consumption, high in efficiency, safe, environmentally friendly and the like.

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.

A mobile cable irradiation operation platform (11) and an electronic accelerator system. The mobile cable irradiation operation platform (11) comprises a platform base (111), a shielding device (112), cable winding / unwinding devices (113), and a cable guide wheel set (114); a moving device is provided at the bottom of the platform base (111); the shielding device (112) comprises a shielding wall body (1121), and the shielding wall body (1121) is vertically arranged at the rear part of the platform base (111); the cable winding / unwinding devices (113) are configured to load and unload cables (1131), and the cables (1131) on the cable winding / unwinding devices (113) are connected to the cable guide wheel set (114); the cable guide wheel set (114) guides the cables (1131) on the cable winding / unwinding devices (113) to the rear side of the shielding wall body (1121). The electron accelerator system comprises a shielding housing (21) and an electron accelerator; when the platform base (111) moves to an operating position, the shielding wall body (1121) and the shielding housing (21) define a shielding cavity, and an electron beam outlet of the electron accelerator is aligned with the cables (1131) at the rear side of the shielding wall body (1121) inside the shielding cavity. The mobile cable irradiation operation platform (11) can work in conjunction with a miniaturized electron accelerator to form a self-shielding structure, thereby greatly reducing the occupied space, facilitating installation, and improving production efficiency.

The invention relates to a test system and method for an electron single event effect. The test system comprises an electron accelerator, a tested device and test equipment, the test equipment is connected with the tested device; the electron accelerator is used for emitting electron beams and projecting the electron beams to the surface of the tested device; the tested device is used for generating a single event effect according to the electron beam; and the test equipment is used for acquiring the number of single event upset times and the irradiation duration corresponding to the single event effect from the tested device, and testing the single event effect according to the number of single event upset times and the irradiation duration to obtain a test result. An electron accelerator and test equipment are arranged to carry out irradiation test on a tested device to obtain key parameters such as single event upset times and irradiation duration, and a test result is obtained based on the key parameters to obtain a test result of the tested device. Accurate evaluation of the electronic single event effect resistance of the tested device is realized, and the electronic radiation resistance reinforcement design and aerospace resistance dependability application of the tested device are guided.