CN114993838A - Integral type normal position pressurization diamond anvil cell press - Google Patents
Integral type normal position pressurization diamond anvil cell press Download PDFInfo
- Publication number
- CN114993838A CN114993838A CN202210577870.XA CN202210577870A CN114993838A CN 114993838 A CN114993838 A CN 114993838A CN 202210577870 A CN202210577870 A CN 202210577870A CN 114993838 A CN114993838 A CN 114993838A
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- China
- Prior art keywords
- press
- cushion block
- fixed
- diamond anvil
- main body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
Abstract
The utility model provides an integral type normal position pressurization diamond anvil cell press, wherein press base and press main part fixed connection, the end cushion block is directly placed in the reservation constant head tank of press base, and the top cushion block passes through the top cushion block supporting seat to be fixed in the press main part, and make the end cushion block with the top cushion block is relative, and a pair of diamond anvil cell is fixed with end cushion block and top cushion block respectively, and gas diaphragm fixed pressing plate is fixed mutually through the upper portion of gas diaphragm fixation nut with the press main part, at gas diaphragm fixed pressing plate with be fixed with the gas diaphragm between the upper portion of press main part. The pneumatic anvil cell pressing machine has the advantages that the loaded air film sheet pushes the pressing machine main body at a small distance under the air pressure driving, so that great pressure is generated on the anvil surface of the diamond anvil cell with the level of hundreds of micrometers to dozens of micrometers, high-pressure physical experiments are realized, a series of physical and chemical property changes caused by continuous change of a sample in a visual cavity along with the pressure are provided, and the integral strength and structural stability of the diamond anvil cell pressing machine are improved.
Description
Technical Field
The invention relates to the field of in-situ measurement of physical quantities at high temperature and high pressure, in particular to an integrated in-situ pressurizing diamond anvil cell press.
Background
The experimental technology of a diamond anvil cell press (DAC) becomes an important auxiliary means for modern leading-edge extreme environment scientific research, the pressure generated between anvil cells can reach hundreds of GPa, the device is the only scientific device capable of generating million-atmosphere static pressure at present, and the device is the most important scientific instrument in the field of high-pressure scientific and technical research.
However, in the actual use process of a diamond anvil cell press (DAC), the DAC is usually pre-pressed to a certain fixed pressure value, and then the DAC is taken to another experimental environment for optical measurement and analysis, so that the isolated experimental process causes discontinuity of sample observation, and the determination of important data is probably caused. In the current extreme environment scientific experiment environment, the deficiency can cause the deficiency of important experiment phenomena at all times, thereby influencing the whole set of experiment results. And the overall structure of the diamond anvil press has a great influence on the ultimate pressure generated at the anvil face of the diamond anvil press.
Therefore, how to perform continuous physical property experiments or optical measurements on the experimental sample under the high-pressure working condition of the DAC in the in-situ pressurization environment and meet the experimental requirements of ultrahigh pressure becomes a technical problem to be solved urgently in the prior art.
Disclosure of Invention
The invention aims to provide an integrated in-situ pressurizing diamond anvil cell press, which aims to solve the problems of isolated test environment, discontinuous pressurizing process, low in-situ pressurizing pressure and the like in a pressurizing experiment of the conventional diamond anvil cell press (DAC).
An integrated in-situ pressurized diamond anvil press comprising:
a press base, a press main body, a bottom cushion block, a top cushion block supporting seat, a pair of diamond anvil cell and a diaphragm,
the press base is fixedly connected with the press main body, and the bottom cushion block is directly placed in a reserved positioning groove of the press base and is fixedly connected with the press base; the top cushion block is fixed in the press main body through the top cushion block supporting seat, the bottom cushion block is opposite to the top cushion block, the pair of diamond anvils are respectively fixed with the bottom cushion block and the top cushion block, and the air film sheet is fixed on the upper portion of the press main body.
Optionally, the pressing machine further comprises an air film fixing pressing plate, the air film fixing pressing plate is fixed to the upper portion of the pressing machine main body through an air film fixing nut, and the air film is fixed between the air film fixing pressing plate and the upper portion of the pressing machine main body.
Optionally, the top pad supporting seat is fixed in the press main body through a fastening screw, and the alignment position of the top pad and the bottom pad is adjusted.
Optionally, the bottom cushion block is fixed in the reserved positioning groove of the press base through a bottom cushion block fastening jackscrew.
Alternatively, the diamond anvil may be fixed to the top pad or the bottom pad by gluing.
Optionally, the press base is fixedly connected with the press main body in a fastening manner through a press base pressing nut at the bottom.
In summary, the invention has the following advantages:
1. on the basis of keeping a nut screwing and pressurizing mode of a traditional diamond anvil cell press, the loaded air film sheet pushes a press main body at a small distance under the driving of air pressure, so that great pressure is generated at the anvil surface of the diamond anvil cell of hundreds to dozens of micrometers, and a high-pressure physical experiment is realized.
2. The integrated in-situ pressurizing diamond provides an in-situ pressurizing working environment for the anvil cell press, and provides a series of physical and chemical property changes caused by continuous change of the sample in the cavity along with pressure, so that the convenience of a DAC in-situ high-pressure experiment and the continuity of experiment data are improved.
3. The integral structure greatly improves the integral strength and structural stability of the diamond anvil cell press, and provides an effective experimental means for realizing ultrahigh pressure.
Drawings
FIG. 1 shows a schematic structural view of an integrated in-situ pressurized diamond anvil press according to a specific embodiment of the present invention;
FIG. 2 illustrates a schematic structural view of a press base of an integrated in-situ pressurized diamond anvil press according to a specific embodiment of the present invention;
FIG. 3 illustrates a schematic structural view of a press body of an integrated in-situ pressurized diamond anvil press according to a specific embodiment of the present invention;
FIG. 4 illustrates a schematic diagram of a gas film sheet of an integrated in-situ pressurized diamond anvil press according to an embodiment of the present invention.
The reference numerals in the drawings respectively refer to the technical features:
1. a press base; 2. a press main body; 3. a bottom cushion block; 4. a top pad supporting seat; 5. a top cushion block; 6. diamond anvil cell; 7. fixing the air film sheet to the pressing plate; 8. a diaphragm sheet; 9. a base protection jackscrew; 10. a press base compression nut; 11. the bottom cushion block fastens the jackscrew; 12. a diaphragm fixing nut; 13. the top cushion block supporting seat is provided with a fastening screw.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Referring to fig. 1-4, schematic structural views of an integrated in-situ pressurized diamond anvil press and corresponding components according to embodiments of the present invention are shown, respectively.
An integrated in-situ pressurizing diamond anvil cell press comprises a press base 1, a press main body 2, a bottom cushion block 3, an upper cushion block 5, an upper cushion block supporting seat 4, a pair of diamond anvil cells 6 and a diaphragm 8, wherein the press base 1 is fixedly connected with the press main body 2, and the bottom cushion block 3 is directly placed in a reserved positioning groove of the press base 1 and is fixedly connected with the press base 1; the top cushion block 5 is fixed in the press main body 2 through a top cushion block supporting seat 4, the bottom cushion block 3 is opposite to the top cushion block 5, the pair of diamond anvils 6 are respectively fixed with the bottom cushion block 3 and the top cushion block 5, and the air diaphragm 8 is fixed at the upper part of the press main body 2.
Therefore, on the basis of keeping the nut screwing and pressurizing mode of the traditional diamond anvil cell press, the loaded air film sheet pushes the press main body at a small distance under the driving of air pressure, so that the diamond anvil cell surface with the level of hundreds to tens of microns generates great pressure, and high-pressure physical experiments are realized.
In an alternative embodiment, the bottom block 3 is fixed in a reserved positioning groove of the press base 1 through a bottom block fastening top thread 11.
In an alternative embodiment, there are top pad support seat fastening screws 13 to fix the top pad support seat 4 in the press body 2 and to adjust the alignment of the top pad 5 and the bottom pad 3.
In an optional embodiment, the pressing device further comprises a gas film fixing pressing plate 7, the gas film fixing pressing plate 7 is fixed to the upper portion of the press main body 2 through a gas film fixing nut 12, and the gas film 8 is fixed between the gas film fixing pressing plate 7 and the upper portion of the press main body 2.
The diamond anvil 6 can be fixed with the top pad 5 or the bottom pad 3 by gluing.
In an alternative embodiment, the press base 1 is fixedly connected to the press body 2 in a fastening manner by means of a press base pressure nut 10 at the bottom.
In summary, the invention has the following advantages:
1. on the basis of keeping a nut screwing and pressurizing mode of a traditional diamond anvil cell press, the loaded air film sheet pushes a press main body at a small distance under the driving of air pressure, so that great pressure is generated at the anvil surface of the diamond anvil cell of hundreds to dozens of micrometers, and a high-pressure physical experiment is realized.
2. The integrated in-situ pressurizing diamond anvil cell press provides an in-situ pressurizing working environment, and a series of physical and chemical property changes caused by the fact that samples in the cavity are changed along with the pressure constantly, so that convenience of a DAC in-situ high-pressure experiment and continuity of experiment data are improved.
3. The integrated structure greatly improves the overall strength and structural stability of the diamond anvil cell press, and provides an effective experimental means for realizing ultrahigh pressure.
While the invention has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An integral in-situ pressurized diamond anvil cell press, comprising:
a press base, a press main body, a bottom cushion block, a top cushion block supporting seat, a pair of diamond anvil cell and a diaphragm,
the press base is fixedly connected with the press main body, and the bottom cushion block is directly placed in a reserved positioning groove of the press base and is fixedly connected with the press base; the top cushion block is fixed in the press main body through the top cushion block supporting seat, the bottom cushion block is opposite to the top cushion block, the pair of diamond anvils are respectively fixed with the bottom cushion block and the top cushion block, and the air film sheet is fixed on the upper portion of the press main body.
2. The integrated, in situ pressurized diamond anvil press of claim 1,
the pressing machine is characterized by further comprising a gas diaphragm fixing pressing plate, the gas diaphragm fixing pressing plate is fixed to the upper portion of the pressing machine main body through a gas diaphragm fixing nut, and the gas diaphragm is fixed between the gas diaphragm fixing pressing plate and the upper portion of the pressing machine main body.
3. The integrated, in situ pressurized diamond anvil press of claim 2,
and the top cushion block supporting seat is fixed in the press main body by a fastening screw, and the alignment position of the top cushion block and the bottom cushion block is adjusted.
4. The integrated, in situ pressurized diamond anvil press of claim 2,
and the bottom cushion block is fixed in the reserved positioning groove of the press base through a bottom cushion block fastening jackscrew.
5. The integrated, in situ pressurized diamond anvil press of claim 1,
the diamond anvil can be fixed with the top cushion block or the bottom cushion block in an adhesive mode.
6. The integrated, in situ pressurized diamond anvil press of claim 2,
the press base is fixedly connected with the press main body in a fastening mode through a press base pressurizing nut at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210577870.XA CN114993838A (en) | 2022-05-25 | 2022-05-25 | Integral type normal position pressurization diamond anvil cell press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210577870.XA CN114993838A (en) | 2022-05-25 | 2022-05-25 | Integral type normal position pressurization diamond anvil cell press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114993838A true CN114993838A (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210577870.XA Pending CN114993838A (en) | 2022-05-25 | 2022-05-25 | Integral type normal position pressurization diamond anvil cell press |
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| CN (1) | CN114993838A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558944A (en) * | 2023-07-12 | 2023-08-08 | 吉林大学 | Diamond-based anvil cell air film driving rapid supercharging device |
-
2022
- 2022-05-25 CN CN202210577870.XA patent/CN114993838A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558944A (en) * | 2023-07-12 | 2023-08-08 | 吉林大学 | Diamond-based anvil cell air film driving rapid supercharging device |
| CN116558944B (en) * | 2023-07-12 | 2023-11-10 | 吉林大学 | Diamond-based anvil cell air film driving rapid supercharging device |
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