CN202735269U - Low-temperature accessory for X-ray diffractometer - Google Patents
Low-temperature accessory for X-ray diffractometer Download PDFInfo
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- CN202735269U CN202735269U CN 201220383567 CN201220383567U CN202735269U CN 202735269 U CN202735269 U CN 202735269U CN 201220383567 CN201220383567 CN 201220383567 CN 201220383567 U CN201220383567 U CN 201220383567U CN 202735269 U CN202735269 U CN 202735269U
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- tank body
- heating
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- diffractometer
- combination
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Abstract
A low-temperature accessory for an X-ray diffractometer belongs to the technical field of X-ray diffractometers. The low-temperature accessory comprises a main body combination, a tank body, an upper cover in sealing connection with the tank body, an upper cover fixed connection device, a heating combination placed inside the tank body, a cooling tube combination connected with the heating combination and a sample box, wherein the sample box is placed above a silicon carbide heating plate of the heating combination; the heating combination is provided with a cavity, which is communicated with the cooling tube combination; the upper cover is provided with a gas inlet channel communicated with the tank body; and the other end of the tank body is provided with a gas outlet channel connected with a deflating valve, the main body combination for mounting is connected with one end of the tank body, which is provided with the gas outlet channel, a standby stopper is arranged on the gas inlet channel, and the heating plate of the heating combination is connected with a PID regulator. The low-temperature accessory adopts liquid nitrogen to refrigerate and controls the heating capacity via the PID regulator to heat the sample box, thus a sample is maintained at a set temperature. With the silicon carbide, the heating is quick, the transformation is small and the precision is high.
Description
Technical field
The invention belongs to X diffractometer technical field, particularly relate to a kind of X diffractometer low temperature annex.
Background technology
X-ray diffractometer is the equipment that the composition of material and atom and structure are studied and identified, usually the angular instrument of X-ray diffractometer is to rotate the position angle difference of namely placing according to the surface of sample, the number percent of the atomic arrangement of material, phase, each phase, grain size, crystallinity etc. are detected, but can't detect in the temperature-control range of-190 degree to+450 material.This has just brought inconvenience to the detection of material.Existing diffractometer technology be can't realize material in test process along with number percent, the grain size of the atomic arrangement of material under different temperatures, phase, each phase, the variation of crystallinity are measured in the variation of temperature, fast development along with material science, often to the difference of material, with the Changeement of material under different temperatures, need to carry out different temperatures to same material and measure.
Summary of the invention
For the technical matters of above-mentioned existence, the invention provides a kind of X diffractometer low temperature annex.It is the annex that material structure is carried out qualitative and quantitative analysis in order to satisfy all substances material under low temperature condition.
The present invention includes a kind of X diffractometer low temperature annex, comprise the main body component, tank body, the loam cake that is tightly connected with tank body, the fixed connection apparatus of loam cake, place the heating member component in the tank body, the cooling tube component and the sample box that are connected with the heating member component, described sample box places the top of silit heating plate on the heating member component, be provided with cavity in the heating member component, this cavity communicates with the cooling tube component, loam cake with tank body in the inlet channel that communicates, the tank body other end has outlet passageway, with be connected with deflating valve on this outlet passageway, described main body component for installing is connected to an end that has outlet passageway, inlet channel is provided with for subsequent use stifled, have X ray on the described tank body and inject window, the silit heating plate of heating member component is connected with the PID regulator.
Have water annulus on the described close tank body of main body component one end.Described tank body is with being provided with the thermal insulation ceramics plate between the inwall of outlet passageway and heating component.Be provided with the spring leaf that compresses sample box on the described heating member component.Described fixed connection apparatus comprises crotch, pin, spring leaf and locating piece, and described locating piece is fixed on loam cake one end, and the crotch body is connected with locating piece with spring leaf by pin, the crotch end with assemble after loam cake and tank body end cooperate.Described X ray is injected window and is provided with diaphragm, and is fastening by restraint zone.Vacuumize or filling with inert gas in the described tank body.
Beneficial effect of the present invention:
The present invention adopts liquid nitrogen refrigerating, regulates control by PID and adds heat, and the heated sample box makes the sample in the sample box be stabilized in design temperature.Adopt silit to make heating plate, heating is fast, distortion is little, precision is high.
With water annulus, antifreeze when cooling or low temperature when being used for high temperature on the tank container of the present invention.
The present invention, can vacuumize by the container of mechanical pump to sealing when need of work with air inlet, outlet passageway, makes the vacuum tightness in the container reach 10
-2Mbar.Fully satisfy application demand, expand detection application power and the application of X-ray diffractometer.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.
Among the figure: 1. main body component, 2. loam cake, 3. heating member component, 4. sealing gasket I, 5. nut, 6. cooling tube component, 7. copper packing, 8. deflating valve, 9. sealing gasket II, 10. sealing gasket III, 11. heating plate, 12. restraint zones, 13. curved purchasing, 14. pins, 15. spring, 16. locating pieces, 17. spring leafs, 18. ceramic wafers, 19. sample box, 20. angular instruments, 21. tank bodies, 22. inlet channels, 23. outlet passageway, 24. water annulus, 25. spanners, 26. windows.
Embodiment
Specifically describe the present invention below in conjunction with drawings and Examples.
Embodiment: such as Fig. 1, shown in Figure 2, the present invention includes main body component 1, tank body 21, the loam cake 2 that is tightly connected with tank body 21, the fixed connection apparatus of loam cake 2, place the heating member component 3 in the tank body 21, the cooling tube component 6 that is connected with heating member component 3 and sample box 19, described sample box 19 places the top of silit heating plate 11 on the heating member component 3, adopt silit heating plate 11, heating is fast, be out of shape little, precision is high, be provided with cavity in the heating member component 3, this cavity communicates with cooling tube component 6, for delivery of cooled with liquid nitrogen, loam cake 2 with tank body 21 in the inlet channel 22 that communicates, tank body 23 other ends have outlet passageway 23, with be sealedly connected with deflating valve 8 on this outlet passageway 23, that is: be provided with the second sealing gasket II 9 between deflating valve 8 and bleed passage, described main body component 1 for installing is connected to an end that has outlet passageway 23, inlet channel 22 is provided with for subsequent use stifled, have X ray on the described tank body 23 and inject window 26, the heating plate 11 of heating member component 3 is connected with the PID regulator, be used for the heat that adds of control heating plate 11, temperature is met the demands.
As shown in Figure 2, have water annulus 24 on the described close tank body 21 of main body component 1 one ends.Be used for High-temperature cooling during detection, or low temperature is antifreeze.Described tank body 21 is provided with thermal insulation ceramics plate 18 with inwall and 3 of the heating member components of outlet passageway 23.Spring leaf 17 is fixed on the heating member component 3, and when sample box 19 was installed, spring leaf 17 ejected, and compresses sample box.
As shown in Figure 2, described fixed connection apparatus comprises crotch 13, pin 14, spring leaf 15 and locating piece 16, described locating piece 16 is fixed on loam cake 2 one ends, and the crotch body is connected with spring leaf and is connected with locating piece 16 by pin 14, the crotch end with assemble after loam cake 2 and tank body 21 ends cooperate.Pull the spanner 25 on the crotch body, the crotch body rotates around pin 14, crotch 13 is closed or unclamps, and realizes the opening and closing of loam cake 2.Described X ray is injected outside the window 26 and is equipped with diaphragm, and is fastening by restraint zone 12, is used for the diaphragm of fastening window 26.
The present invention adopts liquid nitrogen refrigerating, prevents that heating member component 3 from damaging, and by the heat that adds of PID regulator control heating member component 3, heated sample box 19 makes the sample in the sample box 19, is stabilized in design temperature.As required, when detecting the readily oxidizable substance product, vacuumize by tank body 21 containers of mechanical pump to sealing during work, make the vacuum tightness in tank body 21 containers reach 10
-2Mbar.Perhaps, make the blanketing with inert gas sample.
Claims (7)
1. X diffractometer low temperature annex, it is characterized in that: comprise the main body component, tank body, the loam cake that is tightly connected with tank body, the fixed connection apparatus of loam cake, place the heating member component in the tank body, the cooling tube component and the sample box that are connected with the heating member component, described sample box places the top of silit heating plate on the heating member component, be provided with cavity in the heating member component, this cavity communicates with the cooling tube component, loam cake with tank body in the inlet channel that communicates, the tank body other end has outlet passageway, with be connected with deflating valve on this outlet passageway, described main body component for installing is connected to an end that has outlet passageway, inlet channel is provided with for subsequent use stifled, have X ray on the described tank body and inject window, the silit heating plate of heating member component is connected with the PID regulator.
2. X diffractometer low temperature annex according to claim 1 is characterized in that: have water annulus on the described close tank body of main body component one end.
3. X diffractometer low temperature annex according to claim 1 is characterized in that: described tank body is with being provided with the thermal insulation ceramics plate between the inwall of outlet passageway and heating component.
4. X diffractometer low temperature annex according to claim 1 is characterized in that: be provided with the spring leaf that compresses sample box on the described heating member component.
5. X diffractometer low temperature annex according to claim 1, it is characterized in that: described fixed connection apparatus comprises crotch, pin, spring leaf and locating piece, described locating piece is fixed on loam cake one end, the crotch body is connected with locating piece with spring leaf by pin, the crotch end with assemble after loam cake and tank body end cooperate.
6. X diffractometer low temperature annex according to claim 1, it is characterized in that: described X ray is injected window and is provided with diaphragm, and is fastening by restraint zone.
7. X diffractometer low temperature annex according to claim 1 is characterized in that: vacuumize or filling with inert gas in the described tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220383567 CN202735269U (en) | 2012-08-03 | 2012-08-03 | Low-temperature accessory for X-ray diffractometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220383567 CN202735269U (en) | 2012-08-03 | 2012-08-03 | Low-temperature accessory for X-ray diffractometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735269U true CN202735269U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220383567 Expired - Lifetime CN202735269U (en) | 2012-08-03 | 2012-08-03 | Low-temperature accessory for X-ray diffractometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778468A (en) * | 2012-08-03 | 2012-11-14 | 丹东浩元仪器有限公司 | Low-temperature accessory for X-ray diffractometer |
-
2012
- 2012-08-03 CN CN 201220383567 patent/CN202735269U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778468A (en) * | 2012-08-03 | 2012-11-14 | 丹东浩元仪器有限公司 | Low-temperature accessory for X-ray diffractometer |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |