CN213239981U - A test subassembly for measuring powder sample chemical composition - Google Patents
A test subassembly for measuring powder sample chemical composition Download PDFInfo
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- CN213239981U CN213239981U CN202021800487.9U CN202021800487U CN213239981U CN 213239981 U CN213239981 U CN 213239981U CN 202021800487 U CN202021800487 U CN 202021800487U CN 213239981 U CN213239981 U CN 213239981U
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Abstract
The utility model relates to a sample cell technical field, concretely relates to a test component for measuring powder sample chemical composition. Including sample platform, pressing device and cover plate, sample bench is equipped with recess and spout, presses the device including pressing the platform and pressing the post, presses the post cross section unanimous with recess shape, size, presses the post to keep away from one side periphery of pressing the platform and is equipped with horizontal scale mark, and the cover plate is equipped with the boss, and the cover plate area is greater than the recess area, and the boss suits with the spout size. Sample platform, according to mutually supporting of pressing device and cover plate for the homogeneity of powder suppression can be guaranteed to the test assembly, detects time measuring simultaneously, does not influence the state of powder sample, can also play the effect of preserving the sample.
Description
Technical Field
The utility model relates to a sample cell technical field, concretely relates to a test component for measuring powder sample chemical composition.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.
The handheld alloy analyzer is a spectral analyzer based on an XRF (X-ray fluorescence) spectral analysis technology, when X-rays generated by an X-ray tube hit a tested sample, inner-layer electrons of atoms can be excited, shell layer holes appear, and when outer-layer electrons jump from a high-energy orbit to a low-energy orbit to fill the orbit holes, characteristic X-rays are generated. The X-ray detector converts the optical signal of the X-ray characteristic spectral line of the sample element into an electric signal which is easy to measure so as to obtain the characteristic information of the element to be measured. The device has the characteristics of small volume, light weight, portability, quick and accurate detection, no loss and damage to the sample and the like, does not need to bring the sample back to a laboratory, and is very suitable for field detection.
For the metal block material with the size exceeding that of an X-ray emission window on the analyzer, the X-ray emission window of the handheld alloy analyzer is directly aligned to a sample without special sample preparation, and an accurate measurement result can be obtained. However, for solid powder, due to the particularity of the sample, certain processing operations (such as tabletting and the like) need to be performed on the sample, and a certain platform for holding the sample is designed, so that the sample can meet the measurement requirements of the handheld alloy analyzer, and an acceptable measurement result can be obtained.
The inventor finds that some existing sample table devices lack a tabletting measuring part, so that the phenomenon that the surface of the tabletting is uneven is easily caused, some sample tables lack a protecting part, the sample is inconvenient to transfer or temporarily store, and some sample tables use adhesive tapes, so that the fixing effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the too existing problem of horizontal calibration difficulty and lack powder protection device of prior art sample, the utility model provides a test assembly for measuring powder sample chemical composition, including sample platform, pressing device and cover plate, the sample bench is equipped with recess and spout, and the pressing device includes presses the platform and presses the post, presses a post cross section and groove shape, size unanimous, and one side periphery that the platform was kept away from to the post of pressing is equipped with horizontal scale mark, and the cover plate is equipped with the boss, and the cover plate area is greater than the groove area, and the boss suits with the spout size.
The utility model discloses one or more embodiments have following beneficial effect:
1) the sample platform is used for placing the powder sample, and the pressing device is used for suppressing the powder and forming a compact state, and the cover plate covers on the sample platform for the protection powder sample does not receive the pollution, also can be when not examining, as the container that holds sample powder.
2) The cross section of the pressing column is consistent with the shape and the size of the groove, so that powder can be better pressed. The periphery of one side of the pressing column, which is far away from the pressing table, is provided with horizontal scale marks, so that the pressed powder can be ensured to be uniform in thickness, and the measurement error is reduced.
3) The cover plate is equipped with the arch, and the sample platform is equipped with the spout, and arch and spout match each other, realize the one-hand control cover plate at the sliding motion of sample platform, slide the cover plate to sample platform edge, to the splendid attire sample in the recess, the compaction detects the back of accomplishing, slides the cover plate to covering the recess, can carry out interim the saving as the container of sample.
4) Sample platform, according to mutually supporting of pressing device and cover plate for the homogeneity of powder suppression can be guaranteed to the test assembly, when examining simultaneously, can one-hand control cover plate position, does not influence the state of powder sample, can also play the effect of preserving the sample.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a schematic view of the separation of a sample stage and a cover plate in example 1 of the present invention;
fig. 2 is a schematic view of a pressing device according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a cover plate of embodiment 1 of the present invention located on one side of a sample stage;
FIG. 4 is a schematic structural view of the cover plate covering the groove in embodiment 1 of the present invention;
wherein: 1. sample platform, 2, recess, 3, cover plate, 4, spout, 5, press platform, 6, press the post, 7, horizontal scale mark, 8, boss.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that when the term "comprising" is used in the present invention, it indicates the presence of the features, steps, operations, devices, components and/or combinations thereof.
In order to solve the too existing problem of horizontal calibration difficulty and lack powder protection device of prior art sample, the utility model provides a test assembly for measuring powder sample chemical composition, including sample platform, pressing device and cover plate, the sample bench is equipped with recess and spout, and the pressing device includes presses the platform and presses the post, presses a post cross section and groove shape, size unanimous, and one side periphery that the platform was kept away from to the post of pressing is equipped with horizontal scale mark, and the cover plate is equipped with the boss, and the cover plate area is greater than the groove area, and the boss suits with the spout size.
The sample platform is used for placing the powder sample, and the pressing device is used for suppressing the powder and forming a compact state, and the cover plate covers on the sample platform for the protection powder sample does not receive the pollution, also can be when not examining, as the container that holds sample powder.
The cross section of the pressing column is consistent with the shape and the size of the groove, so that powder can be better pressed. The periphery of one side of the pressing column, which is far away from the pressing table, is provided with horizontal scale marks, so that the pressed powder can be ensured to be uniform in thickness, and the measurement error is reduced.
The cover plate is equipped with the arch, and the sample platform is equipped with the spout, and arch and spout match each other, realize the one-hand control cover plate at the sliding motion of sample platform, slide the cover plate to sample platform edge, to the splendid attire sample in the recess, the compaction detects the back of accomplishing, slides the cover plate to covering the recess, can carry out interim the saving as the container of sample.
Sample platform, according to mutually supporting of pressing device and cover plate for the homogeneity of powder suppression can be guaranteed to the test assembly, when examining simultaneously, can one-hand control cover plate position, does not influence the state of powder sample, can also play the effect of preserving the sample.
In one or more embodiments of the present invention, the sample stage is provided with one or more grooves, and the positions of the grooves are not limited. The grooves are arranged, so that multiple times of measurement can be performed on the same batch of samples, and the accuracy of test results is improved.
In one or more embodiments of the present invention, the groove may be circular or square, or may be other shapes as long as the powder sample can be placed.
In one or more embodiments of the present invention, the depth of the groove is 0.2-5 mm. Therefore, a certain amount of secretion samples can be placed in the groove, and the phenomenon that the powder layer is too thin or the measurement result is inaccurate due to the small amount of the secretion samples is avoided.
In order to increase the stability of the pressing device during pressing operation, the pressing column is fixedly connected to the center of the pressing platform, and the pressing platform is circular and larger than the pressing column in diameter.
In one or more embodiments of the present invention, the cover plate is detachably connected to the sample stage.
In one or more embodiments of the present invention, the cover plate is connected to the sample stage via a sliding groove and a protruding platform.
For sticky tape bonding, articulated or threaded connection, the utility model discloses the design of spout can the one-hand control cover plate position, and the position of cover plate on the sample bench is also more stable.
In one or more embodiments of the present invention, the number of the sliding grooves and the number of the bosses are two. During the use, slide earlier and open the cover plate, put into the recess with the sample, compress tightly with the pressing device and reality, observe horizontal scale mark position for confirm whether level presses the sample surface. And covering a cover plate after the pressing is finished, and detecting.
In one or more embodiments of the present invention, the material of the sample stage is metal, glass, quartz or teflon.
Example 1
As shown in figure 1, the test assembly for measuring the chemical components of the powder sample comprises a sample table 1, a pressing device and a cover plate 3, wherein a circular groove 2 and a sliding groove 4 are formed in the sample table, and the depth of the groove 2 is 2 mm. The pressing device comprises a pressing table 5 and a pressing column 6, the cross section of the pressing column 6 is consistent with the shape and size of the groove 2, a horizontal scale mark 7 is arranged on the periphery of one side, away from the pressing table 5, of the pressing column 6, a boss 8 is arranged on the cover plate 3, the area of the cover plate 3 is larger than that of the groove 2, and the cover plate 3 is connected with the sample table 1 through a sliding groove 4 and the boss 8.
As shown in fig. 2, the pressing column 6 is fixedly connected to the center of the pressing table 5, and the pressing table 5 is circular and has a diameter larger than that of the pressing column 6.
As shown in figures 3 and 4, when the device is used, the cover plate 3 is firstly slid to be positioned on one side of the sample platform 1, sample powder is added into the groove 2, the pressing column 6 of the pressing device is aligned with the circular groove 2 of the sample platform, the pressing platform is vertically pressed for a plurality of seconds, the powder sample is leveled by observing the horizontal scale mark 7 on the pressing column and adjusting the force application amount, the pressing device is taken down after the pressing is finished, the cover plate 3 is slid to cover the groove 2 completely in the cover plate 3, and the measurement is carried out by using a handheld alloy analyzer.
If the powder samples need to be transferred, a plurality of sample platforms which are filled with the powder samples and are provided with cover plates can be placed up and down, so that the powder placing space is saved, and the pollution among the powder is avoided.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. The utility model provides a test assembly for measuring powder sample chemical composition, its characterized in that, includes sample platform, press ware and cover plate, is equipped with recess and spout on the sample platform, and the press ware is including pressing the platform and pressing the post, presses post cross section unanimous with recess shape, size, presses the post to keep away from one side periphery of pressing the platform and is equipped with horizontal scale mark, and the cover plate is equipped with the boss, and the cover plate area is greater than the recess area, and the boss suits with the spout size.
2. The test assembly for measuring chemical composition of powder samples according to claim 1, wherein the sample stage is provided with one or more grooves.
3. The test assembly for measuring chemical composition of powder sample according to claim 1, wherein the shape of the groove is circular or square.
4. The test assembly for measuring chemical composition of powder sample according to claim 1, wherein the depth of the groove is 0.2-5 mm.
5. The test assembly for measuring chemical composition of powder sample according to claim 1, wherein the pressing column is fixedly attached to a central position of the pressing stage.
6. The test assembly for measuring chemical composition of powder sample according to claim 1, wherein the pressing stage is circular and has a diameter larger than that of the pressing column.
7. The test assembly for measuring chemical composition of a powder sample of claim 1, wherein the cover plate is removably attached to the sample stage.
8. The test assembly for measuring chemical composition of powder sample according to claim 1, wherein the cover plate is connected to the sample stage by a slide groove and a boss.
9. The test assembly for measuring chemical composition of a powder sample according to claim 1, wherein the number of the slide groove and the boss is two each.
10. The test assembly for measuring chemical composition of powder samples according to claim 1, wherein the material of the sample stage is metal, glass, quartz or teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021800487.9U CN213239981U (en) | 2020-08-24 | 2020-08-24 | A test subassembly for measuring powder sample chemical composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021800487.9U CN213239981U (en) | 2020-08-24 | 2020-08-24 | A test subassembly for measuring powder sample chemical composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213239981U true CN213239981U (en) | 2021-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021800487.9U Expired - Fee Related CN213239981U (en) | 2020-08-24 | 2020-08-24 | A test subassembly for measuring powder sample chemical composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213239981U (en) |
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2020
- 2020-08-24 CN CN202021800487.9U patent/CN213239981U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 Termination date: 20210824 |