CN219715283U

CN219715283U - Spectrometer light path structure

Info

Publication number: CN219715283U
Application number: CN202321004854.8U
Authority: CN
Inventors: 徐天峰; 曹岩
Original assignee: Shanghai Aoce Measurement And Testing Technology Co ltd
Current assignee: Shanghai Aoce Measurement And Testing Technology Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-09-19
Anticipated expiration: 2033-04-27

Abstract

The utility model discloses a spectrometer light path structure which comprises a light path bottom plate, wherein the lower part of the light path bottom plate is connected with a shutter assembly, one side of the light path bottom plate is connected with a detector, the lower part of the shutter assembly is connected with a rotary table assembly, the lower part of the rotary table assembly is connected with a light path base, a lens assembly is connected inside the light path base and is used for reflecting images, the lower part of the light path base is connected with a collimator sliding table, and the collimator sliding table is internally connected with a collimator. This light path structure can be with the sample image reflection of preceding its under to the camera through the speculum that is 45 angles for in sample image can horizontally pass to the camera, make the image information that the camera gathered can not have great distortion, simultaneously through adjusting the multifold zoom lens section of thick bamboo, on this basis, make the zoom of camera, through adjusting the distance that detects, according to proportional relation, can select suitable shooting point, can make the image that the camera shot more accurate, the precision is higher.

Description

Spectrometer light path structure

Technical Field

The utility model belongs to the technical field of precise detection instruments, and particularly relates to a spectrometer light path structure.

Background

The X-ray fluorescence spectrometer is composed of an excitation source (X-ray tube) and a detection system. The X-ray tube generates incident X-rays (primary X-rays) to excite the sample under test. The elements in the excited sample emit secondary X-rays, i.e. characteristic fluorescence, and the secondary X-rays emitted by different elements have specific energy and wavelength characteristics. The detection system measures the energy and intensity of these emitted secondary X-rays. XRF instruments are often equipped with a CCD camera or camera for viewing the sample and recording the image.

At present, in order to conveniently detect a sample, the existing X-ray fluorescence spectrometer mostly adopts a camera to incline with the sample to be observed, namely, a lens is not perpendicular to the surface of the sample, and although the split rays emitted by a ray tube cannot be blocked, the installation mode is adopted, and because the camera and the sample to be observed have a certain inclination angle, the image information acquired by the camera can be greatly distorted.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and the device comprises a light path bottom plate, wherein the lower part of the light path bottom plate is connected with a shutter assembly, one side of the light path bottom plate is connected with a detector, the lower part of the shutter assembly is connected with a rotary table assembly, the lower part of the rotary table assembly is connected with a light path base, the inside of the light path base is connected with a lens assembly, the lens assembly is used for reflecting images, the lower part of the light path base is connected with a collimator sliding table, the inside of the collimator sliding table is connected with a collimator, and one side of the lens assembly is provided with a camera.

Preferably, the shutter assembly comprises a shutter seat, wherein the upper part of the shutter seat is connected with the light path bottom plate, and the shutter seat is internally connected with a shutter.

Preferably, the turntable assembly comprises a turntable, the turntable is connected between the bottom shell and the upper cover, the upper cover is detachably connected with the shutter assembly, and the bottom shell is detachably connected with the light path base.

Preferably, the lens assembly comprises a mounting cylinder and a reflecting mirror, wherein the mounting cylinder is detachably connected with the light path base, the reflecting mirror is detachably connected to the mounting cylinder, and the reflecting mirror is in a 45-degree angle.

Preferably, the inside of light path base can dismantle and be connected with the lens section of thick bamboo, lens section of thick bamboo and camera are on same horizontal line.

Preferably, the rotating disc is provided with a floating block, and the light path bottom plate is connected with a positioning pin.

Preferably, the light path bottom plate is detachably connected with the detector.

Preferably, the collimator sliding table is connected with a guide rail, a collimator is provided with a collimator hole, and the glass on the collimator adopts transparent glass.

Preferably, the light path bottom plate is provided with a through hole.

Preferably, the camera and the lens assembly are on a horizontal plane, and the collimator and the lens assembly are on a horizontal plane.

The technical scheme has the following advantages or beneficial effects:

according to the utility model, the sample image right below the camera can be reflected into the camera through the reflecting mirror with an angle of 45 degrees, so that the sample image can be horizontally transmitted into the camera, the image information acquired by the camera cannot be greatly distorted, meanwhile, the zooming of the camera is realized by adjusting the multiple variable-focus lens barrel on the basis, and a proper shooting point can be selected according to a proportion relation by adjusting the detected distance, so that the image shot by the camera is more accurate and has higher precision.

Drawings

FIG. 1 is a schematic diagram of an optical path structure according to an embodiment of the present utility model;

FIG. 2 is an exploded view of an optical path structure according to an embodiment of the present utility model;

FIG. 3 is a second exploded view of an optical path structure according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of an embodiment of the present utility model.

Legend description:

1. an optical path bottom plate; 2. a shutter assembly; 3. a detector; 4. a turntable assembly; 5. an optical path base; 6. a lens assembly; 7. a collimator slipway; 8. a collimator; 9. a camera; 10. a lens barrel; 11. a slider; 12. a positioning pin; 13. a guide rail; 14. a collimation hole; 15. a through hole; 201. a shutter base; 202. a shutter; 41. a rotating disc; 42. a bottom case; 43. an upper cover; 61. a mounting cylinder; 62. a reflecting mirror.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

as shown in fig. 1-4, the optical path structure of the spectrometer comprises an optical path bottom plate 1, wherein the lower part of the optical path bottom plate 1 is connected with a shutter assembly 2, one side of the optical path bottom plate 1 is connected with a detector 3, the lower part of the shutter assembly 2 is connected with a rotary disc assembly 4, the lower part of the rotary disc assembly 4 is connected with an optical path base 5, the inside of the optical path base 5 is connected with a lens assembly 6, the lens assembly 6 is used for reflecting images, the lower part of the optical path base 5 is connected with a collimator sliding table 7, the inside of the collimator sliding table 7 is connected with a collimator 8, and one side of the lens assembly 6 is provided with a camera 9; after placing the sample behind the placing table of collimator 8 below, through the position of adjustment sample, make things convenient for the sample to observe and detect, the branch ray that sends through the ray tube passes through hole 15, enter into light path structure department, through switch shutter assembly 2 for the branch ray accessible carousel subassembly 4 and collimator 8 shine on the sample, then in lens subassembly 6 and lens section of thick bamboo 10 reflect the image camera 9, detect fluorescent radiation through detector 3, and convert it into the signal of telecommunication and export for the multichannel analyzer.

As shown in fig. 1 and 2, further, the shutter assembly 2 includes a shutter seat 201, a shutter 202 is connected to the optical path base plate 1 above the shutter seat 201, the shutter seat 201 is internally connected with the shutter, the turntable assembly 4 includes a turntable 41, the turntable 41 is connected between the bottom shell 42 and the upper cover 43, the upper cover 43 is detachably connected to the shutter assembly 2, and the lower part of the bottom shell 42 is detachably connected to the optical path base plate 5; by pressing the shutter 202, the shutter aperture and the base aperture on the shutter base 201 can block the X-ray from passing when not aligned, and can allow the X-ray to pass when aligned, so that the shutter base has a fast response speed, a stable structure and reliable action, and signals in certain frequency ranges can be passed through by rotating the disk 41 to perform frequency selective processing on the signals, and signals in other frequency ranges can be weakened or completely eliminated.

As shown in fig. 3 and 4, the lens assembly 6 includes a mounting cylinder 61 and a reflecting mirror 62, the mounting cylinder 61 is detachably connected with the light path base 5, the reflecting mirror 62 is detachably connected with the mounting cylinder 61, the reflecting mirror 62 forms a 45 ° angle, the lens cylinder 10 is detachably connected in the light path base 5, the lens cylinder 10 and the camera 9 are on the same horizontal line, the collimator sliding table 7 is connected with a guide rail 13, the collimator 8 is provided with a collimation hole 14, the glass on the collimator 8 adopts transparent glass, the lens cylinder 10 adopts the optical lens with multiple variable focus, and the camera 9 adopts a high-precision camera; the sample image right below the camera 9 can be reflected to the camera 9 through the reflecting mirror 62 with an angle of 45 degrees, so that the sample image can be horizontally transmitted to the camera 9, the image information acquired by the camera cannot be greatly distorted, meanwhile, the camera 9 can zoom by adjusting the multiple variable-focus lens barrel 10, and a proper shooting point can be selected according to a proportion relation by adjusting the detected distance, so that the image shot by the camera 9 is more accurate and has higher precision.

Embodiment two:

as shown in fig. 2 and fig. 3, on the basis of the first embodiment, the present utility model provides a technical solution: the rotating disc 41 is provided with a floating block 11, the light path bottom plate 1 is connected with a positioning pin 12, the light path bottom plate 1 is provided with a through hole 15, the camera 9 and the lens component 6 are on a horizontal plane, the collimator 8 and the lens component 6 are on a vertical horizontal plane, and a seal is arranged between the rotating disc 41 and the floating block 11; the sealing is arranged between the rotating disc 41 and the floating speed 11, so that the effect of isolating X rays is realized, the collimator 8 adopts a linear moving type switching collimator, a collimating hole 14 wrapped by lead (quartz) glass and metal is inlaid on a movable sliding table, and the equidistant function switching of the collimator can be realized based on the movement of the guide rail 13.

As shown in fig. 2 and 3, further, the light path bottom plate 1 is detachably connected with the detector 3, the reflecting mirror 62 is detachably connected with the mounting cylinder 61, the upper part of the upper cover 43 is detachably connected with the shutter assembly 2, and the lower part of the bottom shell 42 is detachably connected with the light path base 5; the light path bottom plate 1 and the detector 3 are detachably connected through the screws, the detector 3 is convenient to detach and maintain, the reflector 62 is detachably connected to the mounting barrel 61, the reflector 62 is convenient to replace according to detection practical conditions, the shutter assembly 2 is detachably connected through the upper cover 43 and the shutter assembly 2, the shutter assembly 2 is convenient to integrally detach, the shutter assembly 2 is convenient to overhaul, the light path base 5 is convenient to detach and maintain through the bottom shell 42 and the light path base 5, the structure is convenient to assemble and overhaul, and the practicality of the structure is enhanced.

Working principle: after the staff places the sample behind the placing table of collimator 8 below, through the position of adjustment sample, make things convenient for the sample to observe and detect, the branch ray that sends through the ray tube passes through hole 15, enter into light path structure department, through switch shutter assembly 2, make the branch ray accessible carousel subassembly 4 and collimator 8 shine on the sample, then through lens subassembly 6 and lens section of thick bamboo 10 with the image reflection in camera 9, detect fluorescent radiation through detector 3, and convert it into the signal of telecommunication and export to the multichannel analyzer, can be with the sample image reflection in front its below in camera 9 through the speculum 62 that is 45, make sample image can horizontally pass in camera 9, make the image information that the camera gathered can not have great distortion, simultaneously through adjustment multiple variable focus lens section of thick bamboo 10, on this basis, make the zoom of camera 9, through adjusting the distance of detecting, according to the relation of proportionality, can select suitable shooting point, can make the image that camera 9 taken more accurate, the precision is higher.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a spectrum appearance light path structure, includes light path bottom plate (1), its characterized in that, light path bottom plate (1) below is connected with shutter assembly (2), light path bottom plate (1) one side is connected with detector (3), shutter assembly (2) below is connected with carousel subassembly (4), carousel subassembly (4) below is connected with light path base (5), light path base (5) internally connected has lens subassembly (6), lens subassembly (6) are used for the reflection image, light path base (5) below is connected with collimator slip table (7), collimator slip table (7) internally connected has collimator (8), lens subassembly (6) one side is provided with camera (9).

2. A spectrometer light path structure according to claim 1, wherein: the shutter assembly (2) comprises a shutter seat (201), wherein the upper part of the shutter seat (201) is connected with the light path bottom plate (1), and the shutter seat (201) is internally connected with a shutter (202).

3. A spectrometer light path structure according to claim 1, wherein: the rotary disc assembly (4) comprises a rotary disc (41), the rotary disc (41) is connected between a bottom shell (42) and an upper cover (43), the upper cover (43) is detachably connected with the shutter assembly (2), and the lower part of the bottom shell (42) is detachably connected with the light path base (5).

4. A spectrometer light path structure according to claim 1, wherein: the lens assembly (6) comprises a mounting cylinder (61) and a reflecting mirror (62), wherein the mounting cylinder (61) is detachably connected with the light path base (5), the reflecting mirror (62) is detachably connected to the mounting cylinder (61), and the reflecting mirror (62) is in a 45-degree angle.

5. A spectrometer light path structure according to claim 1, wherein: the inside of the light path base (5) is detachably connected with a lens barrel (10), and the lens barrel (10) and the camera (9) are positioned on the same horizontal line.

6. A spectrometer optical path structure as in claim 3, wherein: the rotating disc (41) is provided with a floating block (11), and the light path bottom plate (1) is connected with a positioning pin (12).

7. A spectrometer light path structure according to claim 1, wherein: the light path bottom plate (1) is detachably connected with the detector (3).

8. A spectrometer light path structure according to claim 1, wherein: the collimator sliding table (7) is connected with a guide rail (13), a collimator (8) is provided with a collimator hole (14), and the glass on the collimator (8) adopts transparent glass.

9. A spectrometer light path structure according to claim 1, wherein: the light path bottom plate (1) is provided with a through hole (15).

10. A spectrometer light path structure according to claim 1, wherein: the camera (9) and the lens component (6) are on the same plane, and the collimator (8) and the lens component (6) are on the same vertical horizontal plane.