CN102222528A - First mirror sample irradiation support and irradiation method - Google Patents
First mirror sample irradiation support and irradiation method Download PDFInfo
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- CN102222528A CN102222528A CN2011100894513A CN201110089451A CN102222528A CN 102222528 A CN102222528 A CN 102222528A CN 2011100894513 A CN2011100894513 A CN 2011100894513A CN 201110089451 A CN201110089451 A CN 201110089451A CN 102222528 A CN102222528 A CN 102222528A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
Abstract
The invention is directed to the research fields of interaction between material and hot plasma and hot plasma diagnosis and concretely relates to a first mirror sample irradiation support and irradiation method in a high vacuum and strong magnetic field environment. The goal is to bring conveniences for controlling the temperature and replacing samples of different materials without destroying the condition of apparatus vacuum. The irradiation support comprises two sample racks which are put in parallel. A ceramic heating plate is provided inside a sample rack. A temperature sensor A and a sample A are provided above the ceramic heating plate. A sample pressure plate A is pressed upon the sample A. A sample B and a temperature sensor B are provided inside the other sample rack. A sample pressure plate B is pressed upon the sample B. The power lines and signal lines of the ceramic heating plate, the temperature sensor A, the temperature sensor B are connected with an external power supply and a display. The irradiation support brings conveniences for the experimental comparison of different sample conditions under the situation of a same plasma discharge and the influence from a 220 AC power supply on the plasma discharge is avoided.
Description
Technical field
The invention belongs to material and high-temperature plasma and interact and high-temperature plasma diagnosis research field, be specifically related to first mirror sample irradiation stand and the irradiance method in a kind of high vacuum and the strong magnetic field circumstance.
Background technology
In the controlled nuclear fusion experimental study, many physics and experiment parameter need utilize optical diagnostic method such as interferometer to measure.In order to obtain detectable signal, must the plasma signal be guided to measuring system by some optical mirrors.These catoptrons are called first mirror.High-octane plasma will make catoptron deposited by sputtering etching and impurity, and first specular reflectivity descends big spoke, finally cause the measuring system paralysis.Therefore the first mirror optical degradation problem that solves becomes one of focus of the sector research at present.Theoretical research infers that the first mirror corrosion is relevant with base material, base reservoir temperature and the protection situation of deposition and mirror.But how concrete relation needs the checking of testing.
Fusion facility such as tokamak device are owing to the complicacy and the high vacuum of structure, and the characteristics of highfield behind the material sample charging apparatus, must just can be opened the vacuum chamber taking-up through half a year or longer time usually.Jing Li process is too complicated during this time, has brought difficulty to analysis and research.Because fusion facility vacuum chamber inwall is thinner, being the arcing in avoiding discharging in addition, not allowing the AC power that connects 220V, is that specimen material heats and just becomes problem with common resistance wire.The vacuum chamber of at present the first mirror material sample being packed into mainly is the method for manually putting into, thereby needs a kind of sample holder structure of satisfied complicated experiment condition badly.
Summary of the invention
The purpose of the present invention restriction that laboratory sample irradiation is subjected at fusion facility provides a kind of and can control, be convenient for changing different materials sample and first mirror sample irradiation stand and the irradiance method of breaking plant vacuum condition not by temperature.
Technical scheme of the present invention is as follows:
The first mirror sample irradiation stand, the specimen holder that comprises two laid parallels, inside at a specimen holder is equipped with ceramic heating flake, is equipped with temperature sensor A and sample A above ceramic heating flake, and described sample A contacts with ceramic heating flake and heats by ceramic heating flake; Above sample A, be pressed with sample pressing plate A; Be equipped with sample B and temperature sensor B in the inside of another specimen holder, temperature sensor B is used for the temperature of measuring samples B, is pressed with sample pressing plate B above sample B; The power lead of described ceramic heating flake, temperature sensor A, temperature sensor B links to each other with display with external power source with signal wire.
The aforesaid first mirror sample irradiation stand, wherein: the shared base of described two specimen holders, be equipped with insulating barrier A and insulating barrier B respectively in the junction of base and two specimen holders, base is built-in with the energy and sensor binding post.
The aforesaid first mirror sample irradiation stand, wherein: described ceramic heating flake obtains different temperature by the DC voltage size that control adds thereon, and temperature controlling range is at 20-250 ℃.
The aforesaid first mirror sample irradiation stand, wherein: described sample pressing plate A, sample pressing plate B press nail to be fixed on the specimen holder by screw thread or screw; And described sample pressing plate A, sample pressing plate B are the plectane that the center has through hole.
The aforesaid first mirror sample irradiation stand, wherein: the central through hole of described sample pressing plate A, sample pressing plate B is column type or circular platform type.
The first mirror sample irradiation system, comprise fusion facility, can put into the first mirror sample stand of fusion facility vacuum chamber, extraneous vacuum chamber, isolation fusion facility vacuum chamber and extraneous vacuum chamber slide valve, be positioned at extraneous vacuum chamber and be used for the first mirror sample stand is sent into and taken out the drive link of fusion facility vacuum chamber, and the circuit and temperature control survey and the vacuum suction device that link to each other with the first mirror sample stand.
The first mirror sample irradiance method comprises sample is put into the step of irradiation vacuum chamber and shifted out the step of irradiation vacuum chamber, and wherein: the described steps in sequence that sample is put into the irradiation vacuum chamber comprises:
1. sample A and sample B are placed on respectively on two specimen holders of the first mirror sample stand,
2. by sample pressing plate A and sample pressing plate B sample is fixed, is made two sample surfaces be positioned at sustained height,
3. the first mirror sample stand is put into extraneous vacuum chamber, and links to each other, take out extraneous vacuum chamber base vacuum with drive link,
4. open the slide valve that is used to seal the fusion facility vacuum chamber,, close slide valve by the vacuum chamber of drive link with first mirror sample stand immigration fusion facility;
The described steps in sequence that sample is shifted out the irradiation vacuum chamber comprises:
1. at first open slide valve, the first mirror sample stand shifted out the fusion facility vacuum chamber, close slide valve by drive link,
2. open extraneous vacuum chamber, sample is taken out, vary product or change the sample pressure plate structure.
The invention has the beneficial effects as follows:
1. the multi-functional first mirror sample stage is arranged as two specimen holder laid parallel general layouts, and utilize heating of ceramic heating flake and temperature sensor and control sample temperature, the experiment of being convenient to different sample condition under the same plasma discharge situation (as different specimen materials, different sample substrate temperature) is compared;
2. be the sample heating by the ceramic heating flake that is connected to direct supply, avoided the influence of 220V AC power article on plasma body discharge.
3. the sample pressing plate has difform through hole, can the accommodate sample material experimental study of different pollution mechanisms.
4. the sample pressing plate that is threaded has made things convenient for the replacing and the contrast experiment of different sample platen shape.
5. by two specimen holder and the base insulation of insulating barrier with the first mirror sample stand, guaranteed when using drive link to operate the first mirror sample stand by linking to each other with base, the influence of sample stand current potential to fusion facility vacuum chamber inwall avoided in two specimen holders and drive link insulation.
6. by between fusion facility vacuum chamber and extraneous vacuum chamber, implanting slide valve, can under the situation of not destroying the fusion facility vacuum, realize the replacing at any time of sample, and the irradiation feature of research sample under single discharge situation.
Description of drawings
Fig. 1 is the structural representation of a kind of first mirror sample stage irradiation system provided by the invention;
Fig. 2 is the structural representation of a kind of first mirror sample stand provided by the invention;
Fig. 3 is different sample platen shape synoptic diagram;
Among the figure: 1. sample stand, 2. slide valve, 3. drive link, 4. sample pressing plate A, 5. sample pressing plate B, 6. sample A, 7. temperature sensor A, 8. ceramic heating flake, 9. insulating barrier A, 10. sample B, 11. temperature sensor B, 12. insulating barrier B, 13. the energy and sensor binding post, 14. circuit and temperature control survey and vacuum suction device, 15. extraneous vacuum chambers, 16. fusion facility vacuum chambers; (a) is that central through hole is the sample pressing plate of column type among Fig. 3, (b) is that central through hole is the sample pressing plate of band dentation column type, is that central through hole is the sample pressing plate of circular platform type (c), (d) is that central through hole is the sample pressing plate of band dentate gyrus bench-type.
Embodiment
Below in conjunction with drawings and Examples a kind of first mirror sample irradiation stand provided by the invention is described in detail.
As shown in Figure 1, the first mirror sample irradiation system comprises fusion facility (HL-2A tokamak for example, its inner vacuum chamber is the irradiation vacuum chamber), (what figure provided is duct-like vacuum chamber, can be other shape can to put into the first mirror sample stand 1, extraneous vacuum chamber 15 of fusion facility vacuum chamber 16; Owing to opening extraneous vacuum chamber replacing sample and bleeding with mechanical pump, thereby the vacuum tightness of extraneous vacuum chamber is poorer than the fusion facility vacuum chamber), also comprise the slide valve 2 of isolating fusion facility vacuum chamber and extraneous vacuum chamber, be positioned at extraneous vacuum chamber 15 and be used for the first mirror sample stand 1 is sent into and taken out the drive link 3 of fusion facility vacuum chamber, and the circuit and temperature control survey and the vacuum suction device 14 that link to each other with the first mirror sample stand 1.
As shown in Figure 2, the first mirror sample stand 1 comprises the specimen holder of two laid parallels, two specimen holders can a shared base, and base is built-in with the energy and sensor binding post 13, is equipped with insulating barrier A9 and insulating barrier B12 respectively in the junction of base and two specimen holders; The material of insulating barrier A9 and insulating barrier B12 can be teflon also can select other partiting thermal insulation material for use.
Be equipped with ceramic heating flake 8 in the inside of a specimen holder, (sample A6 is generally metal material to be equipped with temperature sensor A7 and sample A6 above ceramic heating flake 8, as molybdenum, copper, stainless steels etc.), sample A6 contacts with ceramic heating flake 8 and heats by ceramic heating flake 8, and this ceramic heating flake 8 can obtain different temperature by the DC voltage size that control adds thereon, avoided the influence of 220V AC power article on plasma body discharge, temperature controlling range is at 20-250 ℃.Temperature sensor A7 is used for the temperature of measuring samples A6.Above sample A6, be pressed with sample pressing plate A4, the shape of sample pressing plate A4 per sample A6 contaminated mechanism and determine.
As shown in Figure 3, the sample pressing plate is the plectane that the center has through hole, and (a) middle through hole is a column type, and (b) middle through hole is the column type that has dentation, and (c) middle through hole is a circular platform type, and (d) middle through hole is the circular platform type that has dentation.Also can design the sample pressing plate of other structures, and be not limited to said structure according to the concrete needs of experiment.
Be equipped with sample B10 and temperature sensor B11 in the inside of another specimen holder, temperature sensor B11 is used for the temperature of measuring samples B10, is pressed with sample pressing plate B5 above sample B10, and the shape of sample pressing plate B5 is selected the selection principle with sample pressing plate A4.
Sample pressing plate A4 and sample pressing plate B5 press nail to be fixed on the specimen holder by screw thread or screw, and the sample pressing plate that is threaded has made things convenient for the replacing and the contrast experiment of different platen shape.
Heating power supply is connected with sensor binding post 13 by the energy with the signal of temperature sensor A7, temperature sensor B11.
When carrying out irradiation experiment, sample A4 and sample B10 are the identical or different sample of each parameter, and select corresponding sample pressing plate A4 and sample pressing plate B5, and make two sample surfaces be positioned at sustained height, this helps studying the irradiation situation of same plasma discharge conditions.
The first mirror sample irradiance method comprises the steps:
Before the irradiation experiment, at first sample A4 and sample B10 are placed on respectively on two specimen holders of the first mirror sample stand 1, and sample are fixed by sample pressing plate A4 and sample pressing plate B5; Again the first mirror sample stand 1 is put into extraneous vacuum chamber, and link to each other with drive link 2 base of the drive link 2 clampings first mirror sample stand 1 (for example by), vacuumize and make extraneous vacuum chamber reach the end vacuum of mechanical pump, open the slide valve 3 that is used to seal the fusion facility vacuum chamber, by the vacuum chamber of drive link 2, close slide valve 3 with the first mirror sample stand, 1 immigration fusion facility.Experiment is at first opened slide valve 3 after finishing, and by drive link 2 the first mirror sample stand 1 is shifted out the fusion facility vacuum chamber, closes slide valve 3, opens extraneous vacuum chamber 15, sample can be taken out, and varies product or changes the sample pressure plate structure.During irradiation, should make two sample surfaces be positioned at sustained height as far as possible.
Claims (7)
1. the first mirror sample irradiation stand, it is characterized in that: the specimen holder that comprises two laid parallels, be equipped with ceramic heating flake (8) in the inside of a specimen holder, be equipped with temperature sensor A (7) and sample A (6) in ceramic heating flake (8) top, described sample A (6) contacts with ceramic heating flake (8) and heats by ceramic heating flake (8); Be pressed with sample pressing plate A (4) in sample A (6) top; Be equipped with sample B (10) and temperature sensor B (11) in the inside of another specimen holder, temperature sensor B (11) is used for the temperature of measuring samples B (10), is pressed with sample pressing plate B (5) in sample B (10) top; The power lead of described ceramic heating flake (8), temperature sensor A (7), temperature sensor B (11) links to each other with display with external power source with signal wire.
2. the first mirror sample irradiation stand as claimed in claim 1, it is characterized in that: the shared base of described two specimen holders, be equipped with insulating barrier A (9) and insulating barrier B (12) respectively in the junction of base and two specimen holders, base is built-in with the energy and sensor binding post (13).
3. the first mirror sample irradiation stand as claimed in claim 1, it is characterized in that: described ceramic heating flake (8) obtains different temperature by the DC voltage size that control adds thereon, and temperature controlling range is at 20-250 ℃.
4. the first mirror sample irradiation stand as claimed in claim 1 is characterized in that: described sample pressing plate A (4), sample pressing plate B (5) press nail to be fixed on the specimen holder by screw thread or screw; And described sample pressing plate A (4), sample pressing plate B (5) have the plectane of through hole for the center.
5. the first mirror sample irradiation stand as claimed in claim 4 is characterized in that: the central through hole of described sample pressing plate A (4), sample pressing plate B (5) is column type or circular platform type.
6. the first mirror sample irradiation system, it is characterized in that: comprise fusion facility, can put into fusion facility vacuum chamber (16) the first mirror sample stand (1), extraneous vacuum chamber (15), isolate fusion facility vacuum chamber (16) and extraneous vacuum chamber (15) slide valve (2), be positioned at extraneous vacuum chamber (15) and be used for the first mirror sample stand (1) is sent into and taken out the drive link (3) of fusion facility vacuum chamber, and the circuit that links to each other with the first mirror sample stand (1) and temperature control survey and vacuum suction device (14).
7. the first mirror sample irradiance method comprises the step of sample being put into the step of irradiation vacuum chamber and shifting out the irradiation vacuum chamber, it is characterized in that: the described steps in sequence that sample is put into the irradiation vacuum chamber comprises:
1. sample A (4) and sample B (10) are placed on respectively on two specimen holders of the first mirror sample stand (1),
2. by sample pressing plate A (4) and sample pressing plate B (5) sample is fixed, is made two sample surfaces be positioned at sustained height,
3. the first mirror sample stand (1) is put into extraneous vacuum chamber (15), and links to each other, take out extraneous vacuum chamber (15) base vacuum with drive link (2),
4. open the slide valve (3) that is used to seal fusion facility vacuum chamber (16),, close slide valve (3) by the vacuum chamber (16) of drive link (2) with the first mirror sample stand (1) immigration fusion facility;
The described steps in sequence that sample is shifted out the irradiation vacuum chamber comprises:
1. at first open slide valve (3), the first mirror sample stand (1) shifted out fusion facility vacuum chamber (16), close slide valve (3) by drive link (2),
2. open extraneous vacuum chamber (15), sample is taken out, vary product or change the sample pressure plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100894513A CN102222528B (en) | 2011-04-11 | 2011-04-11 | First mirror sample irradiation support and irradiation method |
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| CN2011100894513A CN102222528B (en) | 2011-04-11 | 2011-04-11 | First mirror sample irradiation support and irradiation method |
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| CN102222528A true CN102222528A (en) | 2011-10-19 |
| CN102222528B CN102222528B (en) | 2013-02-13 |
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Cited By (3)
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| CN106249587A (en) * | 2016-08-31 | 2016-12-21 | 中国科学院等离子体物理研究所 | A kind of heating means of accurate control first mirror sample surface temperature |
| CN106501290A (en) * | 2016-10-11 | 2017-03-15 | 中国科学院合肥物质科学研究院 | A kind of irradiation sample support for studying nuclear fusion material corrosion deposition |
| CN110752134A (en) * | 2019-10-18 | 2020-02-04 | 合肥聚能电物理高技术开发有限公司 | Sample table for plasma device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249587A (en) * | 2016-08-31 | 2016-12-21 | 中国科学院等离子体物理研究所 | A kind of heating means of accurate control first mirror sample surface temperature |
| CN106501290A (en) * | 2016-10-11 | 2017-03-15 | 中国科学院合肥物质科学研究院 | A kind of irradiation sample support for studying nuclear fusion material corrosion deposition |
| CN106501290B (en) * | 2016-10-11 | 2020-09-25 | 中国科学院合肥物质科学研究院 | Irradiation sample support for researching corrosion deposition of nuclear fusion material |
| CN110752134A (en) * | 2019-10-18 | 2020-02-04 | 合肥聚能电物理高技术开发有限公司 | Sample table for plasma device |
| CN110752134B (en) * | 2019-10-18 | 2022-06-03 | 合肥聚能电物理高技术开发有限公司 | Sample table for plasma device |
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| CN102222528B (en) | 2013-02-13 |
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