CN211014071U - Sample preparation device for X-ray fluorescence instrument - Google Patents
Sample preparation device for X-ray fluorescence instrument Download PDFInfo
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- CN211014071U CN211014071U CN201921551222.7U CN201921551222U CN211014071U CN 211014071 U CN211014071 U CN 211014071U CN 201921551222 U CN201921551222 U CN 201921551222U CN 211014071 U CN211014071 U CN 211014071U
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Abstract
The utility model relates to the technical field of auxiliary equipment of an X-ray fluorescence instrument, and discloses a sample preparation device for the X-ray fluorescence instrument, which comprises a base, an inner sample preparation cup, an outer sample preparation cup and a detection film, wherein the base is provided with a first groove, and the outer sample preparation cup is inserted into the first groove; the bottom of the first groove is also provided with a heating assembly; the sample preparation outer cup is sleeved outside the sample preparation inner cup; the middle part of the detection film is covered on the lower end face of the sample preparation inner cup, and the edge part of the detection film is clamped between the sample preparation inner cup and the sample preparation outer cup. This a system appearance device for X ray fluorescence appearance simple structure, convenient to use, operation process is simple, and labour saving and time saving can keep the roughness that detects the film, and the humidity that can also keep the sample is suitable, is particularly useful for open-air system appearance.
Description
Technical Field
The utility model relates to a X ray fluorescence appearance auxiliary assembly technical field especially relates to a system appearance device for X ray fluorescence appearance.
Background
The X-ray fluorescence spectrometer is a detection instrument for effectively analyzing sample elements of environment, food, chemical industry, mineral products and the like. During analysis, a sample to be detected is usually a pressed sheet, a fused sheet or powder and the like and is placed in a sample cup for detection, so that the sample cup is an indispensable auxiliary device, and after the sample cup is nested in the X-ray detection special film, the flatness of the surface can generate great influence on a detection result.
The problem that the existing sample cup is easy to loosen and uneven in surface after being installed is solved, in addition, static electricity is easy to generate by a thin film with an excessive part warped on the outer side, so that splashing is easy to generate when powder samples are filled, the operation is inconvenient, certain difficulty exists when samples with large humidity are prepared, and the detection result can be directly influenced by the overlarge humidity.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a system appearance device for X ray fluorescence appearance for solve current sample cup and load the problem that detects the great sample of easy not hard up, unevenness and unable reasonable humidity of film, with the improvement detection accuracy.
The embodiment of the utility model provides a sample preparation device for an X-ray fluorescence instrument, which comprises a base, an inner sample preparation cup, an outer sample preparation cup and a detection film, wherein the base is provided with a first groove, and the outer sample preparation cup is inserted into the first groove; the bottom of the first groove is also provided with a heating assembly; the sample preparation outer cup is sleeved outside the sample preparation inner cup; the middle part of the detection film is covered on the lower end face of the sample preparation inner cup, and the edge part of the detection film is clamped between the sample preparation inner cup and the sample preparation outer cup.
The heating assembly comprises a heating sheet, a temperature sensor and a temperature controller, the heating sheet is attached to the bottom of the first groove, the temperature measuring end of the temperature sensor is fixedly connected to the heating sheet, and the signal output end of the temperature sensor is electrically connected to the temperature controller.
The temperature controller is an electronic temperature controller, the electronic temperature controller comprises a single chip microcomputer and a relay, the output end of the single chip microcomputer is connected in series with a power-on loop of a coil of the relay, and a normally closed contact of the relay is connected in series with the power-on loop of the heating plate; and the signal output end of the temperature sensor is electrically connected with the input end of the singlechip.
The single chip microcomputer is an STM32 series single chip microcomputer or an MCS-51 series single chip microcomputer.
The heating switch is embedded in the outer wall of the base, and contacts of the heating switch are connected in series to be connected into an electrifying loop of the heating sheet.
Wherein, the upper surface of heating plate still pastes and is equipped with the metal conducting strip.
The base comprises a hollow circular tube and a disc, and the bottom of the hollow circular tube is detachably connected to the top of the disc; the heating plate is attached to the top surface of the disc, and the temperature sensor and the temperature controller are both packaged in the disc.
Wherein, the temperature sensor is a thermal resistance sensor or a thermocouple sensor.
Wherein the height of the sample preparation inner cup is larger than that of the sample preparation outer cup, and the height difference is 1-4 mm.
The sample preparation cup comprises a sample preparation cup cover, wherein a second groove is formed in the sample preparation cup cover, and the top of the sample preparation inner cup is inserted into the second groove; a convex column is arranged in the second groove, the height of the convex column is greater than the depth of the second groove, and the bottom of the convex column is inserted into the sample preparation inner cup.
The embodiment of the utility model provides a system appearance device for X ray fluorescence appearance, including base, system appearance inner cup, system appearance outer cup and detection film, the base is equipped with first recess, and system appearance outer cup is inserted and is located in the first recess, can stably support system appearance outer cup; the outer cup cover of system appearance is located outside the cup in the system appearance, the lower terminal surface of cup in the system appearance is covered to the middle part closing cap that detects the film, the marginal portion that detects the film presss from both sides and locates in the system appearance between cup and the outer cup of system appearance, cup and the outer cup nested compaction of system appearance in the system appearance, make the fixed back surface of detecting the film tight smooth, avoid producing the fold, and can avoid the electrostatic interference of unnecessary film perk, can also avoid simultaneously because of removing, hold or press from both sides the film unevenness that external force influence such as clamp leads to, and can still keep detecting the original surface roughness of film after bearing great extrusion force reduction. The bottom of the first groove is also provided with a heating component, and a sample placed in the sample preparation inner cup can be dried, so that the humidity of the sample is reduced. This a system appearance device for X ray fluorescence appearance simple structure, convenient to use, operation process is simple, and labour saving and time saving can keep the roughness that detects the film, and the humidity that can also keep the sample is suitable, is particularly useful for open-air system appearance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sample preparation device for an X-ray fluorescence instrument according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the inner sample preparation cup and the outer sample preparation cup in an embodiment of the present invention;
fig. 3 is a cross-sectional view of a base in an embodiment of the invention;
fig. 4 is a schematic structural view of a heating assembly in an embodiment of the invention;
description of reference numerals:
1: a base; 11: a first groove; 12: a hollow circular tube;
13: a disc; 14: a heating switch; 2: preparing a sample inner cup;
3: preparing a sample outer cup; 4: preparing a sample cup cover; 41: a second groove;
42: a convex column; 5: a heating plate; 6: a temperature controller;
7: a metal heat-conducting sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for clearly indicating the numbering of the product parts and do not represent any substantial difference unless explicitly stated or limited otherwise. The directions of the upper part, the lower part, the left part and the right part are all based on the directions shown in the attached drawings. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
Fig. 1 is the embodiment of the utility model provides an in the embodiment of the utility model a structural schematic diagram of a system appearance device for X ray fluorescence appearance, fig. 2 is the embodiment of the utility model provides an in the system appearance cup and the cross-sectional view of the outer cup of system appearance, as shown in fig. 1 ~ 2, the embodiment of the utility model provides a system appearance device for X ray fluorescence appearance, including base 1, in the system appearance cup 2, the outer cup 3 of system appearance and detection film (not shown in the figure), base 1 is equipped with first recess 11, and the outer cup 3 of system appearance is inserted and is located in first recess 11. The bottom of the first recess 11 is also fitted with a heating assembly. The outer cup 3 of system appearance is located outside the cup 2 of system appearance in the cover, and the middle part closing cap of detection film is in the lower terminal surface of cup 2 in the system appearance, and the marginal portion of detecting the film presss from both sides and locates between cup 2 and the outer cup 3 of system appearance in the system appearance.
Specifically, the cross section of the base 1 is U-shaped, and the base 1 is made of non-metal materials, and is firm, durable, not fragile, and not easy to deform. The sample preparation inner cup 2 and the sample preparation outer cup 3 are both tubular bodies with two through ends and can be made of polyethylene and other materials suitable for X-ray fluorescence analysis. The detection film is a round or square plastic film and is used for containing samples.
More specifically, the thickness of the cup wall of the sample preparation inner cup 2 and the sample preparation outer cup 3 can be 1 mm-2 mm, the outer diameter of the sample preparation outer cup 3 can be selected according to actual needs, the range is 20 mm-40 mm, the outer diameter of the sample preparation inner cup 2 is equivalent to the inner diameter of the sample preparation outer cup 3, the difference value of the two can be 0-1 mm, and nesting can be completed without loosening. The height of the base 1 is 2 mm-3 mm less than that of the sample preparation outer cup 3, the inner diameter of the base 1 is 0 mm-20 mm greater than the outer diameter of the sample preparation outer cup 3, and the wall thickness of the base 1 is 8 mm-15 mm. The inner diameter of the base 1 is large enough to meet the cup loading requirements of sample preparation outer cups 3 of different models.
During the use, place system appearance outer cup 3 in first recess 11 of base 1, put the top of system appearance outer cup 3 with light the detection film levelly and smoothly, keep system appearance outer cup 3 to be located the central point of detection film as far as possible, later slowly impress system appearance inner cup 2 in system appearance outer cup 3 from the top down of detecting the film, for the lower extreme edge of guaranteeing system appearance outer cup 3, the detection film, the lower extreme edge of system appearance inner cup 2 is on the coplanar, can be after impressing a distance, overturn the position of base 1 and system appearance outer cup 3 from top to bottom, press the bottom of base 1 downwards slowly with the hand, until the lower extreme edge of system appearance outer cup 3, the detection film, the lower extreme edge of system appearance inner cup 2 is in the coplanar. Then the base 1 and the sample preparation outer cup 3 are rotated forward, and the sample is put into the sample preparation inner cup 2. If the sample humidity is too big, can start heating element and dry the sample.
The sample preparation device for the X-ray fluorescence instrument comprises a base, an inner sample preparation cup, an outer sample preparation cup and a detection film, wherein the base is provided with a first groove, and the outer sample preparation cup is inserted into the first groove and can stably support the outer sample preparation cup; the outer cup cover of system appearance is located outside the cup in the system appearance, the lower terminal surface of cup in the system appearance is covered to the middle part closing cap that detects the film, the marginal portion that detects the film presss from both sides and locates in the system appearance between cup and the outer cup of system appearance, cup and the outer cup nested compaction of system appearance in the system appearance, make the fixed back surface of detecting the film tight smooth, avoid producing the fold, and can avoid the electrostatic interference of unnecessary film perk, can also avoid simultaneously because of removing, hold or press from both sides the film unevenness that external force influence such as clamp leads to, and can still keep detecting the original surface roughness of film after bearing great extrusion force reduction. The bottom of the first groove is also provided with a heating component, and a sample placed in the sample preparation inner cup can be dried, so that the humidity of the sample is reduced. This a system appearance device for X ray fluorescence appearance simple structure, convenient to use, operation process is simple, and labour saving and time saving can keep the roughness that detects the film, and the humidity that can also keep the sample is suitable, is particularly useful for open-air system appearance.
Further, as shown in fig. 3 and 4, the heating assembly includes a heating plate 5, a temperature sensor (not shown in the figure) and a temperature controller 6, the heating plate 5 is attached to the bottom of the first groove 11, a temperature measuring end of the temperature sensor is fixedly connected to the heating plate 5, and a signal output end of the temperature sensor is electrically connected to the temperature controller 6 to transmit a temperature measuring signal of the heating plate 5 to the temperature controller 6. When the temperature of the heating sheet 5 is too high, the temperature controller 6 stops the heating sheet 5 to work in time, and overtemperature is avoided. Specifically, the heating sheet 5 may be an electric heating sheet, the resistance heating wire is wound on a mica plate (or a mica sheet), the mica plate (or the mica sheet) is used as a framework and an insulating layer, and a galvanized plate or a stainless steel plate is used as a support protection. The resistance heating wire is electrically connected with a power supply, the power supply can be a power supply module or a battery which is arranged in the base 1, and the power supply can also be connected with an external power supply through a wire.
Furthermore, the temperature controller 6 is an electronic temperature controller, the electronic temperature controller comprises a single chip microcomputer and a relay (not shown in the figures), the output end of the single chip microcomputer is connected in series with a power-on loop of a coil of the relay, and a normally closed contact of the relay is connected in series with a power-on loop of the heating plate 5; the signal output end of the temperature sensor is electrically connected with the input end of the singlechip. Furthermore, the singlechip can adopt STM32 series singlechip or MCS-51 series singlechip. The temperature sensor may be a thermal resistance sensor or a thermocouple sensor. The relay may adopt Schneider RXM series or ohm dragon MY2N series.
Specifically, the highest temperature of the heating sheet 5 can be set to be 60-70 ℃ through the single chip microcomputer, when the temperature of the heating sheet 5 is equal to or lower than the highest temperature value, the single chip microcomputer outputs low level to a power-on loop of a coil of the relay, the relay is not powered on, the power-on loop of the heating sheet 5 is conducted, and heating is started; when the temperature of the heating plate 5 is higher than the maximum temperature value, the singlechip outputs high level to a power-on loop of a coil of the relay, the relay is powered on, the normally closed contact of the relay acts to disconnect the power-on loop of the heating plate 5, and heating is stopped.
Further, as shown in fig. 1, a heating switch 14 is further embedded in the outer wall of the base 1, and contacts of the heating switch 14 are connected in series to the energizing circuit of the heating sheet 5. Whether the energizing circuit of the heating sheet 5 is brought into an operating state is controlled by the heating switch 14.
Further, as shown in fig. 4, a metal heat conduction sheet 7 is attached to the upper surface of the heating sheet 5. The heat of the heating plate 5 can be rapidly led out to the sample by arranging the metal heat-conducting plate 7, and the heating is more uniform.
Further, as shown in fig. 3, the base 1 includes a hollow cylindrical tube 12 and a disk 13, and the bottom of the hollow cylindrical tube 12 is detachably connected to the top of the disk 13. The heating plate 5 is attached to the top surface of the disc 13, and the temperature sensor and the temperature controller 6 are both packaged in the disc 13. Specifically, the bottom of the hollow circular tube 12 can be connected to the disc 13 in a threaded manner, and can also be clamped to the disc 13 through a buckle, so that the heating assembly is convenient to disassemble.
Furthermore, the height of the sample preparation inner cup 2 is larger than that of the sample preparation outer cup 3, and the height difference is 1 mm-4 mm.
Further, as shown in fig. 1, the sample preparation cup further comprises a sample preparation cup cover 4, a second groove 41 is arranged in the sample preparation cup cover 4, and the top of the sample preparation inner cup 2 is inserted into the second groove 41. A convex column 42 is arranged in the second groove 41, the height of the convex column 42 is larger than the depth of the second groove 41, and the bottom of the convex column 42 is inserted in the sample preparation inner cup 2. When grain samples are loaded, the convex columns 42 can be used for pressing the samples, and if the samples are soil samples, the sample preparation cup cover 4 can play a dustproof role.
As can be seen from the above embodiments, the sample preparation device for an X-ray fluorescence instrument provided by the present invention comprises a base, an inner sample preparation cup, an outer sample preparation cup and a detection film, wherein the base is provided with a first groove, and the outer sample preparation cup is inserted into the first groove, so as to stably support the outer sample preparation cup; the outer cup cover of system appearance is located outside the cup in the system appearance, the lower terminal surface of cup in the system appearance is covered to the middle part closing cap that detects the film, the marginal portion that detects the film presss from both sides and locates in the system appearance between cup and the outer cup of system appearance, cup and the outer cup nested compaction of system appearance in the system appearance, make the fixed back surface of detecting the film tight smooth, avoid producing the fold, and can avoid the electrostatic interference of unnecessary film perk, can also avoid simultaneously because of removing, hold or press from both sides the film unevenness that external force influence such as clamp leads to, and can still keep detecting the original surface roughness of film after bearing great extrusion force reduction. The bottom of the first groove is also provided with a heating component, and a sample placed in the sample preparation inner cup can be dried, so that the humidity of the sample is reduced. This a system appearance device for X ray fluorescence appearance simple structure, convenient to use, operation process is simple, and labour saving and time saving can keep the roughness that detects the film, and the humidity that can also keep the sample is suitable, is particularly useful for open-air system appearance.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A sample preparation device for an X-ray fluorescence instrument is characterized by comprising a base, a sample preparation inner cup, a sample preparation outer cup and a detection film, wherein the base is provided with a first groove, and the sample preparation outer cup is inserted into the first groove; the bottom of the first groove is also provided with a heating assembly; the sample preparation outer cup is sleeved outside the sample preparation inner cup; the middle part of the detection film is covered on the lower end face of the sample preparation inner cup, and the edge part of the detection film is clamped between the sample preparation inner cup and the sample preparation outer cup.
2. The sample preparation device for the X-ray fluorescence instrument as claimed in claim 1, wherein the heating assembly comprises a heating sheet, a temperature sensor and a temperature controller, the heating sheet is attached to the bottom of the first groove, a temperature measuring end of the temperature sensor is fixedly connected to the heating sheet, and a signal output end of the temperature sensor is electrically connected to the temperature controller.
3. The sample preparation device for the X-ray fluorescence instrument according to claim 2, wherein the temperature controller is an electronic temperature controller, the electronic temperature controller comprises a single chip microcomputer and a relay, an output end of the single chip microcomputer is connected in series with a power-on loop of a coil of the relay, and a normally closed contact of the relay is connected in series with a power-on loop of the heating plate; and the signal output end of the temperature sensor is electrically connected with the input end of the singlechip.
4. A sample preparation device for an X-ray fluorescence instrument according to claim 3, characterized in that the single chip microcomputer is an STM32 series single chip microcomputer or an MCS-51 series single chip microcomputer.
5. The sample preparation device for an X-ray fluorescence instrument according to claim 3, wherein a heating switch is embedded in the outer wall of the base, and contacts of the heating switch are connected in series with an energizing loop of the heating sheet.
6. The apparatus of claim 2, wherein the heating plate further comprises a metal heat conducting plate attached to an upper surface of the heating plate.
7. The sample preparation device for an X-ray fluorescence instrument according to claim 2, wherein the base comprises a hollow circular tube and a disk, and the bottom of the hollow circular tube is detachably connected to the top of the disk; the heating plate is attached to the top surface of the disc, and the temperature sensor and the temperature controller are both packaged in the disc.
8. The sample preparation device for an X-ray fluorescence instrument according to claim 2, wherein the temperature sensor is a thermal resistance sensor or a thermocouple sensor.
9. The apparatus of claim 1, wherein the inner cup is higher than the outer cup by a height difference of 1-4 mm.
10. The sample preparation device for the X-ray fluorescence instrument according to any one of claims 1 to 9, further comprising a sample preparation cup cover, wherein a second groove is arranged in the sample preparation cup cover, and the top of the sample preparation inner cup is inserted into the second groove; a convex column is arranged in the second groove, the height of the convex column is greater than the depth of the second groove, and the bottom of the convex column is inserted into the sample preparation inner cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551222.7U CN211014071U (en) | 2019-09-17 | 2019-09-17 | Sample preparation device for X-ray fluorescence instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551222.7U CN211014071U (en) | 2019-09-17 | 2019-09-17 | Sample preparation device for X-ray fluorescence instrument |
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| CN211014071U true CN211014071U (en) | 2020-07-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855719A (en) * | 2020-07-29 | 2020-10-30 | 河北南玻玻璃有限公司 | Sample preparation method for analyzing chemical components of quartz sandstone by X-ray fluorescence spectrometry |
| CN113941384A (en) * | 2021-11-21 | 2022-01-18 | 洛阳职业技术学院 | Capsule type secondary centrifuge tube capable of being applied to rapid nondestructive analysis |
| CN116203056A (en) * | 2023-05-05 | 2023-06-02 | 中国检验认证集团河北有限公司黄骅港分公司 | Flatness detection method of fuse piece for X-ray fluorescence spectrometer |
-
2019
- 2019-09-17 CN CN201921551222.7U patent/CN211014071U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855719A (en) * | 2020-07-29 | 2020-10-30 | 河北南玻玻璃有限公司 | Sample preparation method for analyzing chemical components of quartz sandstone by X-ray fluorescence spectrometry |
| CN113941384A (en) * | 2021-11-21 | 2022-01-18 | 洛阳职业技术学院 | Capsule type secondary centrifuge tube capable of being applied to rapid nondestructive analysis |
| CN116203056A (en) * | 2023-05-05 | 2023-06-02 | 中国检验认证集团河北有限公司黄骅港分公司 | Flatness detection method of fuse piece for X-ray fluorescence spectrometer |
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Effective date of registration: 20220803 Address after: 100097 No. 9 middle garden, Shuguang garden, Beijing, Haidian District Patentee after: BEIJING ACADEMY OF AGRICULTURE AND FORESTRY SCIENCES Address before: Quality standard center of Beijing Academy of agricultural and Forestry Sciences, No. 9, shuguanghuayuan Middle Road, Haidian District, Beijing 100097 Patentee before: BEIJING RESEARCH CENTER FOR AGRICULTURAL STANDARDS AND TESTING |