CN111659474A - Multi-energy electron proton and solar radiation comprehensive environment simulation system - Google Patents
Multi-energy electron proton and solar radiation comprehensive environment simulation system Download PDFInfo
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Abstract
The invention provides a multi-energy electron proton and solar radiation comprehensive environment simulation system which comprises an electron radiation source, a proton radiation source, an ultraviolet radiation source, a solar simulator, a vacuum container, a sample table, a motion simulator and a flange interface. The sample on the sample table is in one or more environments of electron, proton, solar electromagnetic radiation, high temperature or low temperature, and is subjected to a single-factor test or a comprehensive radiation test. The invention utilizes the devices such as the electron source, the proton source, the ultraviolet radiation source, the solar simulator and the like, and adjusts the sample platform to ensure that the sample is simultaneously subjected to the effects of electron radiation, proton radiation, ultraviolet radiation and solar electromagnetic radiation under the condition of uninterrupted other environmental conditions in a test, thereby realizing the comprehensive simulation of the space environment on the ground and providing a ground simulation environment for screening space materials and devices in the future.
Description
Technical Field
The invention relates to the technical field of ground simulation of a space comprehensive environment, in particular to a multi-energy electron proton and solar radiation comprehensive environment simulation system, and particularly relates to a multi-energy electron proton and solar radiation comprehensive environment simulation system constructed by a certain technical means.
Background
The spatial radiation particle components are mainly electrons, protons and a small number of heavy ions, with energies ranging from 1keV to several hundred MeV, and even up to several GeV, the higher the energy the smaller its flux. Because the energy range of the space charged particles is wide, and the energy distribution and flux of the particles can be dynamically changed along with factors such as the sun, geomagnetic activity and the like, the real space radiation environment cannot be completely simulated in the ground simulated space radiation environment.
Generally, low-energy particle radiation (below 1 MeV) only affects the change of the surface of a substance, and the particle radiation with energy of 1-10MeV can cause the change of the internal structure of the substance, so that the research on the damage mechanism and law in the substance is necessary. The range depth of the proton radiation above 10MeV is increased along with the increase of the energy, and a more remarkable ionization effect is generated on the track or the ionization effect is generated due to recoil particles in the material, so that a single event effect occurs.
Patent document CN202403923U discloses a space environment radiation simulation device, which comprises an electron accelerator main body, an electron gun, a first accelerating tube, a beam stop, a scanning magnet and an irradiation chamber, which are connected in sequence, wherein an irradiation platform is installed in the irradiation chamber, and a first molecular pump is also installed on the irradiation chamber. The irradiation platform is arranged in an irradiation chamber close to vacuum for testing, the beam output of the electron accelerator can be changed in a large range, and comprehensive state simulation and accurate parameter measurement can be realized.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a comprehensive environment simulation system for multi-energy electron protons and solar radiation.
The invention provides a multi-energy electron proton and solar radiation comprehensive environment simulation system which comprises an electron radiation source, a proton radiation source, an ultraviolet radiation source, a solar simulator, a vacuum container, a sample table, a motion simulator and a flange interface, wherein the electron radiation source is arranged on the vacuum container;
the solar simulator is positioned right above the vacuum container, and the electron radiation source, the proton radiation source and the ultraviolet radiation source are respectively distributed on the periphery of the solar simulator for one circle;
the sample platform is located in the inner cavity of the vacuum container, the motion simulator is connected below the sample platform, and at least one flange interface is arranged on the outer surface of the vacuum container.
Preferably, the electron radiation source, the proton radiation source, the ultraviolet radiation source and the radiation beam line generated by the solar simulator are irradiated onto the sample table from the top of the vacuum container.
Preferably, the electron radiation source, the proton radiation source and the ultraviolet radiation source are concentrically and circumferentially distributed around the solar simulator, and radiation beam lines generated by the electron radiation source, the proton radiation source and the ultraviolet radiation source and radiation beam lines generated by the solar simulator form the same angle.
Preferably, the vacuum container is of a ball cylinder structure.
Preferably, the electron radiation source comprises a plurality of electron sources capable of covering a spectral range of 10keV to 10 MeV.
Preferably, the source of proton radiation comprises a plurality of proton sources capable of covering a spectral range of 10keV to 10 MeV.
Preferably, the ultraviolet radiation source comprises a 10-200nm far ultraviolet radiation source and a 200-400nm near ultraviolet radiation source.
Preferably, the solar simulator simulates solar electromagnetic radiation of different emittance, in the wavelength range of 200 and 2500 nm.
Preferably, the sample stage is a movable sample stage, and is driven by the motion simulator to rotate and move, so as to perform motion with 6 degrees of freedom.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention utilizes the devices such as the electron source, the proton source, the ultraviolet radiation source, the solar simulator and the like, and adjusts the sample platform to ensure that the sample is simultaneously subjected to the effects of electron radiation, proton radiation, ultraviolet radiation and solar electromagnetic radiation under the condition of uninterrupted other environmental conditions in a test, thereby realizing the comprehensive simulation of the space environment on the ground and providing a ground simulation environment for screening space materials and devices in the future.
2. The invention considers the equivalence of the radiation effect of the substance as a basic starting point to simulate the radiation of ions and electrons below 10MeV, and can further develop the comprehensive radiation effect and mechanism research of materials, devices and system modules, including the total dose effect, the displacement effect, the charge and discharge effect and the synergistic effect thereof.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of a multi-energy electron proton and solar radiation integrated environment simulation system of the present invention;
FIG. 2 is a schematic view of a radiation source arrangement of the integrated environmental simulation system of the present invention;
FIG. 3 is a schematic diagram of an integrated environment simulation architecture of the present invention.
The figures show that:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The invention takes the equivalence of the radiation effect of the substance as a basic starting point to carry out simulation, mainly simulates the radiation of ions and electrons below 10MeV, and can develop the comprehensive radiation effect and mechanism research of materials, devices and system modules, including the total dose effect, the displacement effect, the charge and discharge effect and the synergistic effect thereof. Because the energy spectrum of the space charged particle radiation is continuous, in order to realize the full-spectrum simulation below 10MeV, the radiation source is divided into 3 energy levels, the energy of the particles can be adjusted within a certain range, and the research on the particle radiation effect of different energy spectrums of materials/devices is realized.
Example 1
A multi-energy electronic proton and solar radiation comprehensive environment simulation system has ground comprehensive simulation test capability of environmental factors such as vacuum, heat sink, high and low temperature, electronic radiation, proton radiation, ultraviolet radiation, solar electromagnetic radiation and the like, and realizes equivalent simulation of space materials and devices in the typical space comprehensive environment and effect of a solar system. The device comprises an electronic radiation source 1, a proton radiation source 2, an ultraviolet radiation source 3, a solar simulator 4, a vacuum container 5, a sample table 6, a motion simulator 7 and a flange interface 8. Preferably, a temperature control device is further included, and the vacuum container 5 is controlled in temperature, so that the sample is in a high-temperature or low-temperature environment.
The solar simulator 4 is positioned right above the vacuum container 5, and the electron radiation source 1, the proton radiation source 2 and the ultraviolet radiation source 3 are respectively distributed on the periphery of the solar simulator 4 for one circle;
the sample table 6 is positioned in the inner cavity of the vacuum container 5, the motion simulator 7 is connected below the sample table 6, the sample table 6 is a movable sample table, and the movable sample table rotates and moves under the driving of the motion simulator 7 to move with 6 degrees of freedom, so that the requirements of multidimensional motion, simulation test and transfer of a sample are met.
The vacuum container 5 is of a spherical column structure, or other structures with a cavity formed inside, and at least one flange interface 8 is arranged on the outer surface of the vacuum container;
the radiation beam lines generated by the electron radiation source 1, the proton radiation source 2, the ultraviolet radiation source 3 and the solar simulator 4 are irradiated onto the sample table 6 from the top of the vacuum container 5.
All radiation beam lines irradiate the sample from the top of the device, solar electromagnetic radiation is right above the sample, other radiation sources are distributed on the same circumference, all radiation beam lines are converged on the sample, a large-area radiation area is realized through scanning, and the radiation test requirements of a material level, a device level and a system module are met.
The electron radiation source 1, the proton radiation source 2 and the ultraviolet radiation source 3 are concentrically and circumferentially distributed by taking the solar simulator 4 as a center, and radiation beam lines generated by the electron radiation source 1, the proton radiation source 2 and the ultraviolet radiation source 3 and radiation beam lines generated by the solar simulator 4 form the same angle, preferably 45 degrees. The electron radiation source 1 comprises a plurality of electron sources capable of covering a spectral range of 10keV to 10 MeV; the proton radiation source 2 comprises a plurality of proton sources capable of covering a spectral range of 10keV to 10 MeV; the ultraviolet radiation source 3 comprises a 10-200nm far ultraviolet radiation source and a 200-400nm near ultraviolet radiation source; the solar simulator 4 simulates solar electromagnetic radiation with different radiation degrees, and the wavelength range is 200nm and 2500 nm.
Example 2
As shown in fig. 1 and 2, the multi-energy electron proton and solar radiation comprehensive environment simulation system has a ground comprehensive simulation test capability of environmental factors such as vacuum, high and low temperature, electron radiation, proton radiation, ultraviolet radiation, solar electromagnetic radiation and the like. The device comprises an electronic radiation source 1, a proton radiation source 2, an ultraviolet radiation source 3, a solar simulator 4, a vacuum container 5, a sample table 6, a motion simulator 7 and a flange interface 8. The solar simulator 4 is located directly above the vacuum vessel 5. The electron radiation source 1, the proton radiation source 2 and the ultraviolet radiation source 3 are distributed on the periphery of the solar simulator 4 in a circle and are uniformly distributed at an angle of 45 degrees in the circumferential direction.
Specifically, the electron radiation source comprises a 200KeV electron source, a 1MeV electron source and a 10MeV electron source, the energy spectrum ranges are respectively 10-200keV, 0.2-1MeV and 1-10MeV, and the energy spectrum range of 10keV-10MeV can be covered; the proton radiation source comprises a 200KeV proton source, a 1MeV proton source and a 10MeV proton source, the energy spectrum ranges are respectively 10-200keV, 0.2-1MeV and 1-10MeV, and the energy spectrum range of 10keV-10MeV can be covered; the solar simulator adopts a transmission structure mode, and the wavelength range is 200-2500 nm; the ultraviolet radiation source comprises a xenon lamp ultraviolet radiation source and a deuterium lamp ultraviolet radiation source, and can cover the wavelength range of 10nm-400 nm. All radiation beam lines irradiate the sample from the top of the device, solar electromagnetic radiation is right above the sample, other radiation sources are distributed on the same circumference, all radiation beam lines are converged on the sample, a large-area radiation area is realized through a scanning technology or a beam expanding technology, and the radiation test requirements of a material level, a device level and a system module are met.
The no-load vacuum degree of the system is better than 5 × 10-5Pa, the working vacuum degree of the system is better than 1 × 10-4Pa. The sample stage is controlled in temperature within the range from liquid nitrogen cooling temperature to 400K by a temperature control system.
As shown in fig. 3 and 4, a single electron radiation simulation environment, a single proton radiation simulation environment, a single ultraviolet radiation simulation environment, and a single solar electromagnetic radiation simulation environment can be presented, and in addition, simulation experiment states of various environments can be realized, and equivalent simulation of comprehensive environments and effects of space materials and devices in a typical space of a solar system can be realized.
In the two-factor simulation, the invention can realize six two-factor simulation experiments of electron radiation and proton radiation, electron radiation and ultraviolet radiation, proton radiation and ultraviolet radiation, electron radiation and solar electromagnetic radiation, proton radiation and solar electromagnetic radiation, and ultraviolet radiation and solar electromagnetic radiation.
Two-factor simulation experiments to be performed were selected, and the following describes the two-factor simulation experiments for electron protons. The sample stage is arranged on the motion simulator, and the motion mechanism is adjusted to enable the sample stage to be placed under electron radiation and proton radiation. And starting a vacuum system to ensure that the vacuum degree in the container meets the experimental requirement. And (3) starting the electron radiation source and the proton radiation source, exposing the sample and the sample table in the electron proton radiation comprehensive environment, and adjusting the temperature control system to maintain the temperature of the sample table at the experimental requirement. Adjusting the energy ranges of the electron radiation source and the proton radiation source, and starting a comprehensive radiation simulation experiment under the condition of meeting experiment requirements. And after the experiment reaches the required radiation fluence, the radiation source is closed, and the radiation is stopped. And (5) closing the temperature control system and the vacuum system, and taking out the experimental sample to finish the experiment.
Similarly, the integrated environmental simulation system of the present invention can implement other two-factor simulation experiments, wherein the electron energy range can cover 10keV-10MeV, the proton energy range can cover 10keV-10MeV, the ultraviolet radiation can cover the wavelength range of 10nm-400nm, and the solar electromagnetic radiation can cover the wavelength range of 200-2500 nm.
In the three-factor simulation, the invention can realize four three-factor simulation experiments of electron radiation + proton radiation + ultraviolet radiation, electron radiation + proton radiation + solar electromagnetic radiation, electron radiation + ultraviolet radiation + solar electromagnetic radiation, and proton radiation + ultraviolet radiation + solar electromagnetic radiation.
The three-factor simulation experiment to be performed is selected, and the three-factor simulation experiment of electron radiation, proton radiation and ultraviolet radiation is described below. The sample stage is arranged on the motion simulator, and the motion mechanism is adjusted to enable the sample stage to be placed under electron radiation, proton radiation and ultraviolet radiation. And starting a vacuum system to ensure that the vacuum degree in the container meets the experimental requirement. And (3) starting the electronic radiation source, the proton radiation source and the ultraviolet radiation source, exposing the sample and the sample table in a radiation comprehensive environment, and adjusting the temperature control system to maintain the temperature of the sample table at the experimental requirement. Adjusting the energy ranges of an electron radiation source and a proton radiation source, adjusting the ultraviolet radiation acceleration multiple parameter, and starting a comprehensive radiation simulation experiment under the condition of meeting experiment requirements. And after the experiment reaches the required radiation fluence, the radiation source is closed, and the radiation is stopped. And (5) closing the temperature control system and the vacuum system, and taking out the experimental sample to finish the experiment.
Similarly, the comprehensive environment simulation system of the invention can realize other three-factor simulation experiments. Wherein, the electron energy range can cover 10keV-10MeV, the proton energy range can cover 10keV-10MeV, the ultraviolet radiation can cover the wavelength range of 10nm-400nm, and the solar electromagnetic radiation can cover the wavelength range of 200-2500 nm.
In the four-factor simulation, the invention can realize the comprehensive environment simulation experiment of four factors of electron radiation, proton radiation, ultraviolet radiation and solar electromagnetic radiation.
The sample stage is arranged on the motion simulator, and the motion mechanism is adjusted to enable the sample stage to be placed under electron radiation, proton radiation, ultraviolet radiation and solar electromagnetic radiation. And starting a vacuum system to ensure that the vacuum degree in the container meets the experimental requirement. And (3) starting the electronic radiation source, the proton radiation source, the ultraviolet radiation source and the solar simulator, exposing the sample and the sample table in a radiation comprehensive environment, and adjusting the temperature control system to maintain the temperature of the sample table at the experimental requirement. Adjusting the energy ranges of an electronic radiation source and a proton radiation source, adjusting the ultraviolet radiation acceleration multiple parameter, adjusting the irradiance parameter of a solar simulator, and starting a comprehensive radiation simulation experiment under the condition of meeting the experiment requirements. And after the experiment reaches the required radiation fluence, the radiation source is closed, and the radiation is stopped. And (5) closing the temperature control system and the vacuum system, and taking out the experimental sample to finish the experiment.
Wherein, the electron energy range can cover 10keV-10MeV, the proton energy range can cover 10keV-10MeV, the ultraviolet radiation can cover the wavelength range of 10nm-400nm, and the solar electromagnetic radiation can cover the wavelength range of 200-2500 nm.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A multi-energy electron proton and solar radiation comprehensive environment simulation system is characterized by comprising an electron radiation source (1), a proton radiation source (2), an ultraviolet radiation source (3), a solar simulator (4), a vacuum container (5), a sample table (6), a motion simulator (7) and a flange interface (8);
the solar simulator (4) is positioned right above the vacuum container (5), and the electron radiation source (1), the proton radiation source (2) and the ultraviolet radiation source (3) are respectively distributed on the periphery of the solar simulator (4) for one circle;
the sample table (6) is positioned in an inner cavity of the vacuum container (5), the motion simulator (7) is connected below the sample table (6), and at least one flange interface (8) is arranged on the outer surface of the vacuum container (5).
2. The multi-energy electron proton and solar radiation comprehensive environment simulation system according to claim 1, characterized in that radiation beam lines generated by the electron radiation source (1), the proton radiation source (2), the ultraviolet radiation source (3) and the solar simulator (4) are all irradiated onto the sample stage (6) from the top of the vacuum container (5).
3. The multi-energy electron proton and solar radiation comprehensive environment simulation system according to claim 1, wherein the electron radiation source (1), the proton radiation source (2) and the ultraviolet radiation source (3) are concentrically and circumferentially distributed with the solar simulator (4) as a center, and radiation beam lines generated by the electron radiation source (1), the proton radiation source (2) and the ultraviolet radiation source (3) and radiation beam lines generated by the solar simulator (4) form the same angle.
4. The multi-energy electron proton and solar radiation comprehensive environment simulation system according to claim 1, wherein said vacuum vessel (5) is of a bulb cylinder structure.
5. The multi-energy electron proton and solar radiation comprehensive environment simulation system according to claim 1, characterized in that said electron radiation source (1) comprises a plurality of electron sources, capable of covering a spectral range of 10keV-10 MeV.
6. The multi-energy electron proton and solar radiation synthetic environment simulation system according to claim 1, characterized in that the proton radiation source (2) comprises a plurality of proton sources, capable of covering a spectral range of 10keV-10 MeV.
7. The comprehensive multi-energy electron proton and solar radiation environment simulation system according to claim 1, wherein the ultraviolet radiation source (3) comprises a 10-200nm far ultraviolet radiation source and a 200-400nm near ultraviolet radiation source.
8. The integrated multi-energy electron proton and solar radiation environment simulation system according to claim 1, wherein the solar simulator (4) simulates solar electromagnetic radiation of different emittance, wavelength range 200-.
9. The comprehensive environment simulation system for multi-energy electron proton and solar radiation according to claim 1, wherein the sample stage (6) is a movable sample stage, and is driven by a motion simulator (7) to rotate and move, and performs motion with 6 degrees of freedom.
10. A multi-energy electron proton and solar radiation comprehensive environment simulation system is characterized by comprising an electron radiation source (1), a proton radiation source (2), an ultraviolet radiation source (3), a solar simulator (4), a vacuum container (5), a sample table (6), a motion simulator (7) and a flange interface (8);
the solar simulator (4) is positioned right above the vacuum container (5), and the electron radiation source (1), the proton radiation source (2) and the ultraviolet radiation source (3) are respectively distributed on the periphery of the solar simulator (4) for one circle;
the sample table (6) is positioned in an inner cavity of the vacuum container (5), the motion simulator (7) is connected below the sample table (6), and the outer surface of the vacuum container (5) is provided with at least one flange interface (8);
radiation beam lines generated by the electron radiation source (1), the proton radiation source (2), the ultraviolet radiation source (3) and the solar simulator (4) are irradiated onto the sample table (6) from the top of the vacuum container (5);
the electron radiation source (1), the proton radiation source (2) and the ultraviolet radiation source (3) are concentrically and circumferentially distributed by taking the solar simulator (4) as a center, and radiation beam lines generated by the electron radiation source (1), the proton radiation source (2) and the ultraviolet radiation source (3) and radiation beam lines generated by the solar simulator (4) form the same angle;
the vacuum container (5) is of a ball cylinder structure;
the electron radiation source (1) comprises a plurality of electron sources capable of covering a spectral range of 10keV to 10 MeV;
the proton radiation source (2) comprises a plurality of proton sources capable of covering a spectral range of 10keV to 10 MeV;
the ultraviolet radiation source (3) comprises a 10-200nm far ultraviolet radiation source and a 200-400nm near ultraviolet radiation source;
the solar simulator (4) simulates solar electromagnetic radiation with different radiation degrees, and the wavelength range is 200-2500 nm;
the sample stage (6) is a movable sample stage, and is driven by a motion simulator (7) to rotate and move so as to move with 6 degrees of freedom.
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| CN113654655A (en) * | 2021-08-24 | 2021-11-16 | 宁波工程学院 | Solar sun-tracking visible light photoresistor detection method |
| CN113920804A (en) * | 2021-09-26 | 2022-01-11 | 哈尔滨工业大学 | Large-scale multi-factor space irradiation environment integrated simulation device and simulation method |
| CN115932445A (en) * | 2022-12-14 | 2023-04-07 | 北京卫星环境工程研究所 | Device test method for simulating space radiation |
| CN115932445B (en) * | 2022-12-14 | 2024-02-13 | 北京卫星环境工程研究所 | Device test method for simulating space radiation |
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