Cooling and heating table
By designing a hot and cold stage containing multiple components, the problems of existing hot and cold stages being unable to provide a specific gas environment and unable to perform in-situ measurements are solved. This enables sample experiments and in-situ measurements with X-ray diffractometers to be performed in a specific gas environment, allowing for the study of phase transitions and crystal structure changes in materials.
Patent Information
- Application Number
- CN202423036691.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing hot and cold stages cannot provide a specific gas environment and cannot use X-rays for in-situ measurements, thus failing to meet the needs of studying phase transitions and crystal structure changes in materials during heating and cooling processes.
A hot and cold stage was designed, comprising a base, a cover plate, a zircon bead fixing block, a silver stage fixing plate, a temperature control flange plate, a silver stage, a sight glass pressure plate, a sight glass lens, a sight glass gasket, a sample clamping spring, an arc-shaped pressure plate, a vacuum bellows, an electrical flange plate, a polyimide film, and electrical terminals. It is capable of vacuuming, heating to 600°C or cooling to -190°C, and achieving in-situ measurements for X-ray diffractometers through the polyimide film.
It enables sample experiments to be conducted in a specific gas environment, provides stable heating and cooling rates, and allows in-situ measurements by X-ray diffractometer to study phase transitions and crystal structure changes in materials.
Smart Images
Figure CN223901892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cold and hot experiment technical field especially relates to a cold and hot stage. BACKGROUND
[0002] Cold and hot stage is a kind of experimental equipment that can control temperature, usually used in various scientific research and industrial applications. It has the functions of heating and refrigeration, and can make samples in different temperature environments. The temperature range of cold and hot stage can be adjusted according to specific needs, some can reach ultra-low temperature, and some can achieve high temperature control.
[0003] The existing cold and hot stage can only provide normal gas experimental environment, which cannot meet the special gas environment demand. In addition, the existing cold and hot stage can only be observed regularly during experiment, and cannot be observed specially using X-ray. Therefore, in view of the above status, it is urgent to develop a cold and hot stage which can be easily vacuumized, can facilitate the research on the experimental performance of samples in specific gas environment, and can use X-ray diffractometer to measure in situ while the temperature of samples changes, so as to study the phase change, crystal structure change and other thermal related phenomena of materials during heating and cooling process, so as to overcome the shortcomings in current actual application and meet the current demand. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a cold and hot stage to solve the problems raised in the background.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A cold and hot stage, comprising a base, a cover plate, a zirconium bead fixing block, a silver table fixing piece, a temperature control flange plate, a silver table, a sight glass pressing plate, a window glass, a window gasket, a sample compression spring, an arc-shaped pressing plate, a vacuum bellows, an electrical flange plate, a polyimide film, zirconium beads and electrical terminals, the base is fixed with the cover plate, a vacuum chamber is formed between the base and the cover plate, the upper end of the cover plate is internally fixed with the window glass, the lower side of the window glass is fixed with the window gasket, the upper side of the window glass is fixed with the sight glass pressing plate, the base is fixed with the silver table, the upper and lower sides of the silver table are provided with a plurality of zirconium beads, the base is internally fixed with the zirconium bead fixing block and the silver table fixing piece for fixing the zirconium beads, the zirconium beads are tightly fixed to the side surface of the silver table through the zirconium bead fixing block and the silver table fixing piece, one side of the base is installed with the temperature control flange plate connected with the silver table, the upper part of the base is installed with the vacuum bellows connected therewith, the cover plate is installed with the polyimide film, and the cover plate is installed with the arc-shaped pressing plate for pressing the polyimide film.
[0007] Preferably, two electrical terminals are installed on the base.
[0008] Preferably, the upper surface of the cover plate is fixed with an electrical flange plate.
[0009] Preferably, the base is provided with a sample pressing spring.
[0010] The cold and hot table has the advantages that: when in use, the sample is placed on the silver table, the sample is pressed by the sample pressing spring, then the vacuum pump is connected with the vacuum bellows, the inside of the cover plate is pumped to vacuum by the vacuum pump, so that the sample is experimented under a specific gas environment; when heated, the external temperature control machine case starts to work, the silver table is signaled by the temperature control machine case, so that the silver table heats the table core to 600 DEG C, and the sample is heated by the silver table; when cooled, the liquid nitrogen pump is started, the liquid nitrogen flows to the table core of the silver table through the liquid nitrogen pipe, the temperature of the table core is lowered, and the temperature is controlled to-190 DEG C, and the sample is cooled by the silver table; the polyimide film 15 is arranged, so that people can use the X-ray diffractometer to measure in situ while the temperature of the sample changes, and the phase change, crystal structure change and other thermal related phenomena of the material in the heating and cooling process are researched. In summary, the cold and hot table has the advantages that: the vacuum is convenient to pump, the experimental performance of the sample under a specific gas environment is conveniently researched; stable heating and cooling rates can be provided, the user is allowed to rapidly heat or slowly heat treat the material, so that the behavior of the material under different temperature change rates is researched; the X-ray diffractometer can be used to measure in situ while the temperature of the sample changes, and the phase change, crystal structure change and other thermal related phenomena of the material in the heating and cooling process are researched. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is a front view of the utility model.
[0012] Fig. 2 It is a top view of the utility model.
[0013] Fig. 3 It is an internal view of the top view in the utility model.
[0014] LEGEND:
[0015] 1, base; 2, cover plate; 3, structural member; 4, zirconium bead fixing block; 5, silver table fixing piece; 6, temperature control flange plate; 7, silver table; 8, sight glass pressing plate; 9, sight window lens; 10, sight window gasket; 11, sample pressing spring; 12, arc-shaped pressing plate; 13, vacuum bellows; 14, electrical flange plate; 15, polyimide film; 16, zirconium bead; 17, electrical terminal post. DETAILED DESCRIPTION
[0016] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0017] The specific embodiments are given below.
[0018] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figs. 1-3 In the embodiments of the present application, a cold and hot table comprises a base 1, a cover plate 2, a zirconium bead fixing block 4, a silver table fixing piece 5, a temperature control flange plate 6, a silver table 7, a sight glass pressing plate 8, a sight window lens 9, a sight window gasket 10, a sample pressing spring 11, an arc-shaped pressing plate 12, a vacuum bellows 13, an electrical flange plate 14, a polyimide film 15, zirconium beads 16 and electrical terminals 17, the cover plate 2 is fixed on the base 1, a vacuum chamber is formed between the base 1 and the cover plate 2, a structural member 3 is detachably fixed on the bottom of the base 1, the upper end of the cover plate 2 is internally fixed with the sight window lens 9, the lower side of the sight window lens 9 is fixed with the sight window gasket 10, the upper side of the sight window lens 9 is fixed with the sight glass pressing plate 8, the sight window lens 9 is pressed onto the cover plate 2 through the sight glass pressing plate 8, the sight window gasket 10 provides sealing for the sight window lens 9, a person can observe the internal condition of the vacuum chamber between the base 1 and the cover plate 2 through the sight window lens 9, the silver table 7 is fixed on the base 1, a plurality of zirconium beads 16 are arranged on the upper and lower sides of the silver table 7, the zirconium beads 16 serve as insulation and temperature control, the base 1 is internally fixed with the zirconium bead fixing block 4 and the silver table fixing piece 5 for fixing the zirconium beads 16, the zirconium beads 16 are pressed and fixed to the side surface of the silver table 7 through the zirconium bead fixing block 4 and the silver table fixing piece 5, the sample pressing spring 11 is installed on the base 1, a sample is pressed onto the silver table 7 through the sample pressing spring 11, the temperature control flange plate 6 connected with the silver table 7 is installed on one side of the base 1, the temperature control flange plate 6 is connected with an external temperature control machine box, the temperature control flange plate 6 is also connected with an external liquid nitrogen pump, two electrical terminals 17 are installed on the base 1, external wires are connected with the electrical terminals 17, the vacuum bellows 13 in communication with the base 1 is installed on the base 1, the vacuum bellows 13 is used to be connected with an external vacuum pump, the electrical flange plate 14 is fixed on the cover plate 2, the electrical flange plate 14 is used to connect an external circuit, the polyimide film 15 is installed on the cover plate 2, the polyimide film 15 is used for XRD light diffraction, the arc-shaped pressing plate 12 for pressing the polyimide film 15 is installed on the cover plate 2.
[0019] Working principle: the cold and hot platform, when using, the sample is placed on the silver table 7, the sample is pressed by the sample pressing spring 11, then the vacuum pump is connected with the vacuum bellows 13, the inside of the cover plate 2 is pumped to vacuum by the vacuum pump, so that the sample is experimented under the specific gas environment; when heating, the external temperature control machine box starts to work, the temperature control machine box gives a signal to the silver table 7, so that the silver table 7 heats the table core to 600 DEG C, and the sample is heated by the silver table 7; when cooling, the liquid nitrogen pump starts, the liquid nitrogen flows to the table core of the silver table 7 through the liquid nitrogen pipe, the temperature of the table core drops, and the temperature can be controlled to-190 DEG C, and the sample is cooled by the silver table 7; the setting of the polyimide film 15 can make people use the X-ray diffractometer to carry out in-situ measurement while the temperature of the sample changes, and study the phase change, crystal structure change and other thermal related phenomena of the material in the heating and cooling process.
[0020] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A hot top table, characterized in that, The utility model relates to a silver table fixing piece (5), temperature control flange plate (6), silver table (7), sight glass pressing plate (8), window glass (9), window gasket (10), sample compression spring (11), arc pressing plate (12), vacuum bellows (13), electrical flange plate (14), polyimide film (15), zirconium beads (16) and electrical terminal post (17) are provided in the base (1), the base (1) is fixed with the cover plate (2), the base (1) and cover plate (2) form the vacuum chamber between, the upper end inside of cover plate (2) is fixed with window glass (9), the downside of window glass (9) is fixed with window gasket (10), the upside of window glass (9) is fixed with sight glass pressing plate (8), the silver table (7) is fixed on the base (1), the upper and lower sides of silver table (7) are provided with a plurality of zirconium beads (16), the base (1) is fixed with the zirconium beads (16) for fixing zirconium beads (16) zirconium beads fixed block (4) and silver table fixing piece (5), through zirconium beads fixed block (4) and silver table fixing piece (5) zirconium beads (16) are pressed tightly fixed to the side of silver table (7), the side of base (1) is installed with the temperature control flange plate (6) connected with silver table (7), the upper of base (1) is installed with the vacuum bellows (13) connected with it, the cover plate (2) is installed with polyimide film (15), the cover plate (2) is installed with the arc pressing plate (12) for pressing polyimide film (15).
2. The hot top of claim 1 wherein, The base (1) is installed with two electrical terminal posts (17).
3. The hot top of claim 1 wherein, The upper of cover plate (2) is fixed with electrical flange plate (14).
4. The hot top of claim 1 wherein, The base (1) is installed with sample compression spring (11).