CN-122025209-A - Multi-sample plasma irradiation sample table and irradiation sample fixing support thereof

CN122025209ACN 122025209 ACN122025209 ACN 122025209ACN-122025209-A

Abstract

The invention relates to the technical field of plasmas and discloses a multi-sample plasma irradiation sample table and an irradiation sample fixing support thereof, wherein the irradiation sample fixing support comprises a base, an installation component, a probe and a cooling component, a plurality of installation surfaces which are sequentially arranged around a rotation axis and connected are arranged on the base, the base can rotate around the rotation axis so that different installation surfaces face to plasma beam, the probe or different samples which are installed on the base through a first installation component or a second installation component can face to the plasma beam, plasma irradiation is realized, the multi-sample can be irradiated without repeatedly damaging vacuum, the experimental efficiency is improved, and meanwhile, the probe can be used for measuring plasma parameters of an irradiation area and improving the experimental accuracy. The multi-sample plasma irradiation sample stage comprises a rotating mechanism and an irradiation sample fixing bracket, and the rotating mechanism drives the base to rotate so that the probes or different samples are opposite to the plasma beam.

Inventors

ZHOU HAISHAN
LI TONGZHEN
YANG XIN
MU XIANGHONG
ZHOU WEIYUN
LI XUECHUN

Assignees

中国科学院合肥物质科学研究院
聚变新能(安徽)有限公司

Dates

Publication Date: 20260512
Application Date: 20260416

Claims (10)

1. An irradiation sample fixing bracket is characterized by comprising a base, a mounting assembly, a probe and a cooling assembly; The base is provided with a plurality of mounting surfaces which are sequentially arranged and connected around a rotation axis, and the rotation axis is positioned at one side of the base, which is opposite to the mounting surface; The number of the mounting assemblies is the same as that of the mounting surfaces, and the mounting assemblies are connected to a plurality of mounting surfaces in a one-to-one correspondence manner; defining one of the mounting assemblies as a first mounting assembly and the other mounting assemblies as a second mounting assembly, wherein the first mounting assembly is provided with a first irradiation channel which extends along the direction vertical to the corresponding mounting surface and is used for allowing plasma beam to pass through; The cooling assembly comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are respectively arranged at two sides of the base in the first direction and are connected with the base; wherein the first direction is parallel to the axis of rotation.
2. The irradiated sample mount of claim 1, wherein the base comprises a base and a heat sink plate; the plurality of mounting surfaces are positioned on the base body, and cooling grooves are formed in the mounting surfaces; the cooling grooves are correspondingly covered by the heat sink plates one by one and are connected with the base body, and the cooling cavity is formed by enclosing the heat sink plates and the cooling grooves.
3. The irradiated sample fixing support as claimed in claim 2, wherein a side surface of the heat sink plate facing the cooling groove is provided with ribs extending in a first direction; The plurality of ribs are arranged in parallel and spaced apart to form cooling flow passages extending in a first direction between two adjacent ribs.
4. The irradiation sample retention frame of claim 1, wherein the first mounting assembly comprises a first mounting plate and an insulator; the first mounting plate is connected to the base and provided with mounting holes, and the mounting holes penetrate through the surfaces of the two sides of the first mounting plate along the direction perpendicular to the corresponding mounting surface; The insulating piece is arranged on one side of the first mounting plate, facing the base, and is inserted into the mounting hole, and the first irradiation channel is arranged in the insulating piece.
5. The irradiation sample mounting bracket of claim 4, wherein said first mounting assembly further comprises a first fastener and a first cover plate; The first mounting plate is also provided with a first connecting hole, and the first connecting hole penetrates through the two side surfaces of the first mounting plate along the direction perpendicular to the corresponding mounting surface; The first cover plate comprises a first protection section and a first connection section which are perpendicular to each other and connected, the first protection section is covered on one side surface of the first mounting plate, which is opposite to the base, the first protection section is provided with a first irradiation hole penetrating through two side surfaces of the first protection section so as to be communicated with a first irradiation channel, and the first connection section is connected with one side surface of the first mounting plate in a first direction.
6. The irradiation sample retention frame of claim 1, wherein the second mounting assembly comprises a second mounting plate, the second mounting plate coupled to the base; The second irradiation channel is formed in the second mounting plate, a placing groove matched with the appearance of the sample is formed in the surface, facing the base, of the second mounting plate, and the placing groove is communicated with the second irradiation channel.
7. The irradiation sample retention frame of claim 1, wherein said first mounting assembly is positioned between any two of said second mounting assemblies.
8. The irradiated sample mount of claim 1, further comprising a temperature measurement assembly comprising a first thermocouple and a second thermocouple; A first mounting groove is formed in a mounting surface corresponding to the first mounting assembly, and extends along a first direction and penetrates through one side surface of the base; a second mounting groove is formed in the mounting surface corresponding to the second mounting assembly, and extends along the first direction and penetrates through one side surface of the base; one end of the second thermocouple is inserted into the second mounting groove and used for being connected with a sample.
9. The irradiated sample mount of claim 1, further comprising a probe measurement line; a measuring hole is formed in the surface of one side, facing away from the mounting assembly, of the base; one end of the probe measuring line is fixed in the measuring hole.
10. A multi-sample plasma irradiation sample stage, characterized by comprising a rotating mechanism and an irradiation sample fixing bracket according to any one of claims 1-9; The output end of the rotating mechanism is connected with the base, and the rotating mechanism is used for driving the base to rotate around the rotating axis.

Description

Multi-sample plasma irradiation sample table and irradiation sample fixing support thereof Technical Field The invention relates to the technical field of plasmas, in particular to a multi-sample plasma irradiation sample table and an irradiation sample fixing bracket thereof. Background Magneto-constrained nuclear fusion is an important approach to solve the energy problem in the future. During operation of the magneto-restrictive fusion device, fusion reactor boundary plasma interacts with the first wall. The striking point area of the target plate of the divertor faces ultra-high ion flux and steady-state heat load, and complex physical and chemical reactions such as material erosion, sputtering, surface morphology change, vacancy defects and the like are caused, so that the service life of the fusion reactor material is seriously influenced. Because fusion device has high experiment cost and severe discharge condition, in order to efficiently develop the research on the interaction between boundary plasma and materials, a linear plasma device capable of generating high-density plasma beam is generally adopted to perform a plasma irradiation experiment. At present, the irradiation sample fixing device is only provided with one position for placing and irradiating samples, so that a single plasma irradiation experiment can only irradiate a single sample, when a plurality of samples are required to be irradiated, different samples can be replaced only by repeatedly disassembling and assembling plasma irradiation equipment, the vacuum environment is frequently destroyed, the disassembly and assembly of the samples are time-consuming and labor-consuming, the consistency of experimental conditions is difficult to ensure, and measurement equipment for knowing plasma parameters of irradiation positions is lacking, so that the experimental efficiency and the accuracy of the irradiation experiment for the plurality of samples are low. Disclosure of Invention The invention aims to provide a multi-sample plasma irradiation sample table and an irradiation sample fixing bracket thereof, which solve the problem that the experimental efficiency and the accuracy of the existing irradiation experiment for a plurality of samples are low. In order to achieve the above object, the present invention provides an irradiation sample fixing support, which comprises a base, a mounting assembly, a probe and a cooling assembly; The base is provided with a plurality of mounting surfaces which are sequentially arranged and connected around a rotation axis, and the rotation axis is positioned at one side of the base, which is opposite to the mounting surface; The number of the mounting assemblies is the same as that of the mounting surfaces, and the mounting assemblies are connected to a plurality of mounting surfaces in a one-to-one correspondence manner; defining one of the mounting assemblies as a first mounting assembly and the other mounting assemblies as a second mounting assembly, wherein the first mounting assembly is provided with a first irradiation channel which extends along the direction vertical to the corresponding mounting surface and is used for allowing plasma beam to pass through; The cooling assembly comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are respectively arranged at two sides of the base in the first direction and are connected with the base; wherein the first direction is parallel to the axis of rotation. Further, the base comprises a base body and a heat sink plate; the plurality of mounting surfaces are positioned on the base body, and cooling grooves are formed in the mounting surfaces; the cooling grooves are correspondingly covered by the heat sink plates one by one and are connected with the base body, and the cooling cavity is formed by enclosing the heat sink plates and the cooling grooves. Further, a rib extending along the first direction is arranged on one side surface of the heat sink plate facing the cooling groove; The plurality of ribs are arranged in parallel and spaced apart to form cooling flow passages extending in a first direction between two adjacent ribs. Further, the first mounting assembly includes a first mounting plate and an insulator; the first mounting plate is connected to the base and provided with mounting holes, and the mounting holes penetrate through the surfaces of the two sides of the first mounting plate along the direction perpendicular to the corresponding mounting surface; The insulating piece is arranged on one side of the first mounting plate, facing the base, and is inserted into the mounting hole, and the first irradiation channel is arranged in the insulating piece. Further, the first mounting assembly further comprises a first fastener and a first cover plate; The first mounting plate is also provided with a first connecting hole, and the first connecting hole penetrates through the two side surfa