CN216926650U

CN216926650U - Vacuum cavity structure of energy dispersion X fluorescence spectrometer

Info

Publication number: CN216926650U
Application number: CN202220165510.4U
Authority: CN
Inventors: 刘凯; 王嘉勇; 吴敏; 石彦杰; 李强; 何爱军
Original assignee: JIANGSU SKYRAY INSTRUMENT CO Ltd
Current assignee: JIANGSU SKYRAY INSTRUMENT CO Ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-08
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a vacuum cavity structure of an energy dispersion X fluorescence spectrometer, which comprises an independent sealing pipeline, an independent vacuum test cavity with an independent channel connected with the independent sealing pipeline, a sample cavity assembly connected with the lower part of the independent vacuum test cavity, wherein the sample cavity assembly comprises a sample cavity, the sample cavity comprises a sample cavity for placing a sample box, a sample ring supporting ring is arranged below the sample cavity, a supporting column is arranged at the lower section of the sample ring supporting ring, an upright column with a corresponding supporting column is arranged below the supporting column, a gap is arranged between the supporting column and the upright column, the supporting column and the upright column are embedded into a spring inner cavity for connecting the supporting column and the upright column together, and a sample box sealing ring is arranged at the joint of the sample cavity and the independent vacuum test cavity; the utility model arranges a net ring above the sample; the interior of the test cavity is designed to be an independent channel, and a dustproof valve is arranged at a channel port; and the vacuum pipeline adopts an independent sealing design, and the problem of a large amount of accumulated dust is solved through the combination of the three, so that the normal use together is ensured.

Description

Vacuum cavity structure of energy dispersion X fluorescence spectrometer

Technical Field

The utility model relates to the field of X-ray fluorescence spectrometer equipment, in particular to a vacuum cavity structure of an energy dispersion X-ray fluorescence spectrometer.

Background

In a logging site in the petroleum industry, due to the fact that testing conditions are very crude, when a conventional instrument runs on the site for a long time, a large amount of dust is accumulated on the surface of a testing window, and accordingly deviation of instrument data occurs and normal use cannot be achieved, and therefore a new structure needs to be found to solve corresponding problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to overcome at least one of the above-mentioned drawbacks of the prior art, and the present invention provides a vacuum chamber structure of an energy-dispersive X-ray fluorescence spectrometer, comprising an independent sealed tube with a flow channel therein, an independent vacuum test chamber with a vacuum chamber inside connected with the independent sealed pipeline through an independent channel, the lower part of the independent vacuum test cavity is connected with a sample cavity component, the sample cavity component comprises a sample cavity, the sample cavity comprises a sample chamber for placing a sample box, a sample ring supporting ring is arranged below the sample chamber, the lower section of the sample ring backing ring is provided with a pillar, an upright post corresponding to the pillar is arranged below the pillar, a gap is arranged between the strut and the upright post, the strut and the upright post are embedded into a spring inner cavity which couples the strut and the upright post together, and a sample box sealing ring is arranged at the joint of the sample cavity and the independent vacuum testing cavity.

According to the prior art in the patent background art, because the test conditions are very simple and crude, a large amount of dust can be accumulated on the surface of a test window when a conventional instrument runs for a long time on site, so that the data of the instrument is deviated and cannot be normally used; the vacuum cavity structure of the energy dispersion X-ray fluorescence spectrometer disclosed by the utility model has the advantages that the mesh ring which can be used for conveniently replacing the film is arranged above the sample; the interior of the test cavity is designed to be an independent channel, and a dustproof valve is arranged at a channel port; and the vacuum pipeline adopts an independent sealing design, and the problem of a large amount of accumulated dust can be effectively solved through the combination of the three, so that the normal use together is ensured.

In addition, the vacuum cavity structure of the energy dispersion X fluorescence spectrometer disclosed by the utility model also has the following additional technical characteristics:

further, independent vacuum test cavity includes the sample baffle, the sample baffle sets up independent vacuum test cavity lower part and with set up sample chamber opening is peripheral the appearance box sealing washer is in vacuum cavity structure is in close contact with under the vacuum state.

Further, the sample cavity assembly comprises a sealing ring retainer ring used for fastening the sample box sealing ring, a sample pressing ring arranged inside the sample cavity, a net ring ferrule arranged at the position where the sample cavity is communicated with the independent vacuum test cavity, and a net ring pressing ring used for fastening the net ring ferrule.

Optionally, the sample chamber assembly further comprises a handle to facilitate gripping of the sample chamber assembly.

Further, the independent sealed conduit includes a vacuum tube connector, a connecting rod coupled to the vacuum tube connector, the connecting rod being directly coupled to the independent vacuum test chamber through the independent channel.

Furthermore, sealing rings for sealing are arranged between the vacuum pipe joint and the connecting rod and at the joint of the connecting rod and the independent vacuum testing cavity, and dustproof valves are arranged at the communication positions of the flow passage in the connecting rod and the cavity in the independent vacuum testing cavity.

The pillar and the upright post can automatically center by directly pressing with the aid of the elastic force of the spring, so that when the sample cavity is vacuumized, the sealing ring of the sample box can be completely attached to the sample partition plate, and the vacuum state is ensured; the sample is pressed on the sample pressure ring by a tablet press, the pressed cake-shaped sample is placed on the sample ring backing ring, and then simple film-changing net rings such as a net ring ferrule and a net ring pressure ring are placed on the sample ring backing ring, so that dust of the sample can be prevented from entering the test cavity;

the vacuum pipe joint and the connecting rod are used for independently connecting the vacuum pump and the independent vacuum test cavity, the sealing ring is used for guaranteeing air tightness, and the dustproof valve is used for preventing dust.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

figure 1 is a schematic diagram of the structure of a sample chamber assembly of the present invention.

Fig. 2 is a schematic view of the overall structure of the embodiment of the present invention.

The device comprises a sample cavity assembly 1, a sample box sealing ring 11, a screw 12, a sealing ring retainer 13, a sample pressing ring 14, a sample pressing ring 15, a net ring ferrule 16, a net ring pressing ring 17, a sample cavity 18, a handle 19, a sample ring backing ring 110, a spring 21, a vacuum pipe joint 22, a connecting rod 23, a sealing ring 24, a dust valve 31, a sample partition plate 3 and an independent vacuum test cavity.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout; the embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "lateral", "vertical", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "coupled," "communicating," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly connected, integrally connected, or detachably connected; may be communication within two elements; can be directly connected or indirectly connected through an intermediate medium; "mating" may be a surface-to-surface mating, a point-to-surface or line-to-surface mating, and also includes a hole axis mating, and it is obvious to those skilled in the art that the above terms have specific meanings in the present invention.

Referring to fig. 1-2, according to an embodiment of the present invention, the vacuum chamber structure of an energy-dispersive X-ray fluorescence spectrometer comprises a separate sealed tube with a flow channel inside, an independent vacuum test chamber with a vacuum chamber inside connected with the independent sealed pipeline through an independent channel, the lower part of the independent vacuum test cavity is connected with a sample cavity component, the sample cavity component comprises a sample cavity, the sample cavity comprises a sample chamber for placing a sample box, a sample ring supporting ring is arranged below the sample chamber, the lower section of the sample ring backing ring is provided with a pillar, an upright post corresponding to the pillar is arranged below the pillar, a gap is arranged between the strut and the upright post, the strut and the upright post are embedded into a spring inner cavity which couples the strut and the upright post together, and a sample box sealing ring is arranged at the joint of the sample cavity and the independent vacuum testing cavity.

According to the embodiment of the utility model, the independent vacuum test cavity comprises a sample partition plate, and the sample partition plate is arranged at the lower part of the independent vacuum test cavity and is in close contact with the sample box sealing ring arranged at the periphery of the opening of the sample chamber in a vacuum state of the vacuum cavity structure.

According to the embodiment of the utility model, the sample cavity assembly comprises a sealing ring retainer ring for fastening the sample box sealing ring, a sample pressure ring arranged in the sample cavity, a net ring ferrule arranged at the position where the sample cavity is communicated with the independent vacuum test cavity, and a net ring retainer ring for fastening the net ring ferrule.

According to an embodiment of the utility model, the independent sealed conduit comprises a vacuum pipe joint, a connecting rod coupled to the vacuum pipe joint, the connecting rod being directly coupled to the independent vacuum test chamber through the independent channel.

Any reference to "one embodiment," "an embodiment," "example embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the utility model; the schematic representations in various places in the specification do not necessarily refer to the same embodiment; further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.

While specific embodiments of the utility model have been described in detail with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention; in particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the utility model; except variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.

Claims

1. A vacuum cavity structure of an energy dispersion X fluorescence spectrometer is characterized by comprising an independent sealing pipeline with a flow channel inside, an independent vacuum test chamber with a vacuum chamber inside connected with the independent sealed pipeline through an independent channel, the lower part of the independent vacuum test cavity is connected with a sample cavity component, the sample cavity component comprises a sample cavity, the sample cavity comprises a sample chamber for placing a sample box, a sample ring supporting ring is arranged below the sample chamber, the lower section of the sample ring supporting ring is provided with a supporting column, an upright post corresponding to the supporting column is arranged below the supporting column, a gap is arranged between the strut and the upright post, the strut and the upright post are embedded into a spring inner cavity which couples the strut and the upright post together, and a sample box sealing ring is arranged at the joint of the sample cavity and the independent vacuum testing cavity.

2. The vacuum cavity structure of energy-dispersive X-ray fluorescence spectrometer according to claim 1, wherein the independent vacuum test cavity comprises a sample partition plate, the sample partition plate is disposed at a lower portion of the independent vacuum test cavity and is in close contact with the sample box sealing ring disposed at the periphery of the opening of the sample chamber in a vacuum state of the vacuum cavity structure.

3. The vacuum cavity structure of the energy dispersive X-ray fluorescence spectrometer according to claim 1, wherein the sample cavity assembly comprises a sealing ring retainer ring for fastening the sealing ring of the sample box, a sample pressure ring arranged in the sample chamber, a net ring ferrule arranged at the communication position of the sample chamber and the independent vacuum test cavity, and a net ring pressure ring for fastening the net ring ferrule.

4. An energy dispersive X-ray fluorescence spectrometer vacuum chamber structure according to any of claims 1 and 2, wherein the sample chamber assembly further comprises a handle for facilitating holding of the sample chamber assembly.

5. The vacuum chamber structure of an energy dispersive X-ray fluorescence spectrometer according to claim 1, wherein the independent sealed conduit comprises a vacuum tube connector, a connecting rod coupled to the vacuum tube connector, the connecting rod being directly coupled to the independent vacuum test chamber through the independent channel.

6. The vacuum cavity structure of energy dispersive X-ray fluorescence spectrometer according to claim 5, wherein sealing rings for sealing are provided between the vacuum pipe joint and the connecting rod and at the joint of the connecting rod and the independent vacuum testing cavity, and a dust-proof valve is provided at the communication position of the flow passage in the connecting rod and the chamber in the independent vacuum testing cavity.