Fourier infrared spectrometer convenient to adjust

Abstract

According to the technical scheme, the Fourier infrared spectrometer convenient to adjust is characterized in that the Fourier infrared spectrometer comprises a fixing base, a first fixing groove is formed in the top face of the fixing base, a containing box is fixedly installed in the first fixing groove, and a first fixing hole is formed in the top face of the containing box; a treatment box is fixedly mounted in the first fixing hole, a fixing strip is fixedly mounted in the treatment box, two mounting blocks are fixedly mounted on the bottom surface of the fixing strip, a through hole is formed in one side of each mounting block, and a rotating rod is arranged on the bottom surface of the fixing strip; the rotating rod is composed of a cylindrical rod part, disc-shaped parts at the two ends and two connecting block parts composed of semicircles and rectangles on the outer wall faces, and the rotating rod is clamped between the two mounting blocks through through holes formed in one sides of the mounting blocks and the disc-shaped parts at the two ends of the rotating rod. And a first fixing frame is arranged on the bottom surface of the rotating rod.

Description

Technical Field

[0001] The utility model relates to the technical field of Fourier infrared spectrometers, in particular to a Fourier infrared spectrometer which is convenient to adjust. Background Art

[0002] Fourier transform infrared spectrometer is a common spectral analysis instrument. It is an infrared spectrometer developed based on the principle of Fourier transform of infrared light after interference. It can perform quantitative and qualitative analysis of samples at the same time, so Fourier transform infrared spectrometer can be widely used.

[0003] A Fourier transform infrared spectrometer with a drying function, publication number CN218781901U, has the following defects during use:

[0004] The utility model heats the air by the operation of the heating wire, and then the operation of the fan causes the suction hood to extract the heated air, and transmits the air to the inside of the exhaust hood through the fan, transmits the air to the inside of the ventilation hole through the exhaust hood, and transmits the air to the inside of the shell through the ventilation hole, thereby achieving the advantage of a drying function and solving the problem that the existing Fourier transform infrared spectrometer cannot dry the external air, and the humidity of the external air easily affects the Fourier transform infrared spectrometer, which affects the accuracy of the detection. However, in actual use, the movable mirror and the fixed mirror are clamped inside the device, which is not convenient to disassemble and clean them at any time. For this reason, we propose a Fourier transform infrared spectrometer that is easy to adjust. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the utility model provides a Fourier infrared spectrometer with convenient adjustment, which solves the problem that the movable mirror and the fixed mirror are stuck inside the device during actual use and are inconvenient to disassemble and clean them at any time.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A Fourier infrared spectrometer with convenient adjustment includes a fixed base, a first fixing groove is provided on the top surface of the fixed base, a placement box is fixedly installed inside the first fixing groove, a first fixing hole is provided on the top surface of the placement box, a processing box is fixedly installed inside the first fixing hole, a fixing bar is fixedly installed inside the processing box, two mounting blocks are fixedly installed on the bottom surface of the fixing bar, a through hole is provided on one side of the mounting block, a rotating rod is provided on the bottom surface of the fixing bar, the rotating rod consists of a cylindrical rod part, a disc-shaped part at both ends and two connecting block parts consisting of a semicircular and rectangular outer wall surface, the rotating rod is clamped between the two mounting blocks through the through hole provided on one side of the mounting block and the disc-shaped parts at both ends of the rotating rod, a first fixing frame is provided on the bottom surface of the rotating rod, the first fixing frame is fixedly installed together with the two connecting block parts consisting of a semicircular and rectangular rotating rod, a fixed mirror is fixedly installed inside the first fixing frame, and a beam splitter is fixedly installed inside the processing box, and the beam splitter is placed at an angle.

[0008] Preferably, a first sliding bar is fixedly installed on both sides of the interior of the processing box, a sliding groove is opened on one side of the first sliding bar, a second fixed frame is provided inside the processing box, a second sliding bar is fixedly installed on both sides of the second fixed frame, the second fixed frame is connected to the interior of the processing box through the sliding groove opened on one side of the first sliding bar and the second sliding bar, a moving mirror is fixedly installed on the interior of the second fixed frame, a second fixing hole is opened on the inner bottom surface of the processing box, and a converging lens is fixedly installed on the interior of the second fixing hole.

[0009] Preferably, a positioning frame is fixedly installed on the top surface of the placement box, the positioning frame is aligned with the first fixing hole, sliding grooves are opened on both sides of the interior of the positioning frame, a sealing cover is provided inside the positioning frame, and a third sliding bar is fixedly installed on both sides of the sealing cover, and the sealing cover is clamped into the interior of the positioning frame through the sliding grooves opened on both sides of the interior of the positioning frame and the third sliding bar.

[0010] Preferably, a sliding hole is provided on one side of the placement box, a sliding plate is provided inside the sliding hole, a fourth sliding bar is fixedly installed on the top surface of the sliding plate, a sliding groove is provided on the top surface of the fourth sliding bar, a sliding block is provided inside the sliding groove on the top surface of the fourth sliding bar, contact blocks are fixedly installed on both sides of the sliding block, the sliding block is clamped in the sliding groove provided on the top surface of the fourth sliding bar through the contact blocks, and a placement plate is fixedly installed on the top surface of the sliding block.

[0011] Preferably, a fixed plate is fixedly installed on the top surface of the sliding plate, a threaded hole is provided on one side of the sliding block, a through hole is provided on one side of the fixed plate, the internal thread of the threaded hole is connected to a threaded rod, one end of the threaded rod passes through the through hole provided on one side of the fixed plate and extends to the outside of the placement box, and a handle is threadedly connected to the outer wall of the threaded rod.

[0012] Preferably, a second fixing groove is formed on the top surface of the fixing seat, and the spectrometer body is fixedly installed inside the second fixing groove.

[0013] In summary, the present invention has the following beneficial effects:

[0014] 1. By setting a rotating rod, through the design of the rotating rod, the first fixed frame and the fixed mirror, the first fixed frame can be folded under the premise of limiting the overall position, which makes it convenient for staff to clean or replace the internal fixed mirror at any time. At the same time, the angle of the fixed mirror can be fine-tuned according to the actual situation during use to ensure the most appropriate refraction angle;

[0015] 2. By setting the sliding block and the design of the sliding block and the placement plate, the test object can be placed on the placement plate. With the snap-on design of the sliding block, the position of the placement plate can be fine-tuned, making it convenient for the staff to adjust it to the most suitable testing position and reduce the occurrence of errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the placement box structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the first fixing frame structure of the utility model.

[0020] Figure markings: 1. fixing seat; 2. first fixing groove; 3. second fixing groove; 4. placement box; 5. first fixing hole; 6. processing box; 7. fixing bar; 8. mounting block; 9. rotating rod; 10. first fixing frame; 11. fixed mirror; 12. first sliding bar; 13. second fixing frame; 14. second sliding bar; 15. moving mirror; 16. second fixing hole; 17. converging lens; 18. positioning frame; 19. sealing cover; 20. third sliding bar; 21. sliding hole; 22. sliding plate; 23. fourth sliding bar; 24. sliding block; 25. contact block; 26. placement plate; 27. fixing plate; 28. threaded hole; 29. threaded rod; 30. handle; 31. spectrometer body; 32. beam splitter. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] refer to Figure 1-Figure 4 A Fourier infrared spectrometer with convenient adjustment includes a fixing base 1, a first fixing groove 2 is opened on the top surface of the fixing base 1, a placement box 4 is fixedly installed inside the first fixing groove 2, a first fixing hole 5 is opened on the top surface of the placement box 4, a processing box 6 is fixedly installed inside the first fixing hole 5, a fixing bar 7 is fixedly installed inside the processing box 6, two mounting blocks 8 are fixedly installed on the bottom surface of the fixing bar 7, a through hole is opened on one side of the mounting block 8, a rotating rod 9 is provided on the bottom surface of the fixing bar 7, the rotating rod 9 is composed of a cylindrical rod part, a disc-shaped part at both ends and two connecting block parts composed of a semicircular and rectangular outer wall surface, the rotating rod 9 passes through the through hole opened on one side of the mounting block 8 and the discs at both ends of the rotating rod 9 The shaped part is clamped between the two mounting blocks 8, and a first fixed frame 10 is provided on the bottom surface of the rotating rod 9. The first fixed frame 10 is fixedly installed with the two connecting block parts composed of the semicircular and rectangular parts of the rotating rod 9. A fixed mirror 11 is fixedly installed inside the first fixed frame 10. Through the design of the rotating rod 9, the first fixed frame 10 and the fixed mirror 11, the first fixed frame 10 can be folded under the premise of limiting the overall position, which is convenient for the staff to clean or replace the internal fixed mirror 11 at any time. At the same time, the angle of the fixed mirror 11 can be fine-tuned according to the actual situation during use to ensure the most suitable refraction angle. A beam splitter 32 is fixedly installed inside the processing box 6, and the beam splitter 32 is placed at an angle;

[0023] A first sliding bar 12 is fixedly installed on both sides of the interior of the processing box 6, and a sliding groove is opened on one side of the first sliding bar 12. A second fixed frame 13 is provided inside the processing box 6. Through the design of the second fixed frame 13, the second fixed frame 13 can be moved along the sliding groove opened on one side of the first sliding bar 12, which is convenient for adjusting the position of the device at any time to obtain the best reflection angle. It can also be pulled out when it needs to be disassembled and cleaned. Through the design of the converging lens 17, it can gather the scattered reflected light around it, which is convenient for the detection element to receive and detect it. A second sliding bar 14 is fixedly installed on both sides of the second fixed frame 13, and the second fixed frame 13 is clamped in the interior of the processing box 6 through the sliding groove opened on one side of the first sliding bar 12 and the second sliding bar 14. The second fixing frame 13 is fixedly installed with a moving mirror 15 inside, the inner bottom surface of the processing box 6 is provided with a second fixing hole 16, and the inner surface of the second fixing hole 16 is fixedly installed with a converging lens 17. The top surface of the placement box 4 is fixedly installed with a positioning frame 18, the positioning frame 18 and the first fixing hole 5 are aligned, and the inner sides of the positioning frame 18 are provided with slide grooves, and the inner side of the positioning frame 18 is provided with a sealing cover 19. The third sliding bar 20 is fixedly installed on both sides of the sealing cover 19. The sealing cover 19 is connected to the inner side of the positioning frame 18 through the slide grooves and the third sliding bar 20 provided on both sides of the positioning frame 18. Through the design of the sealing cover 19, the processing box 6 can be isolated from the outside when the device is not in use, reducing the probability of fine dust falling on the internal parts, and indirectly reducing The pressure of the device cleaning is adopted, a sliding hole 21 is provided on one side of the placement box 4, a sliding plate 22 is provided inside the sliding hole 21, a fourth sliding bar 23 is fixedly installed on the top surface of the sliding plate 22, a sliding groove is provided on the top surface of the fourth sliding bar 23, a sliding block 24 is provided inside the sliding groove on the top surface of the fourth sliding bar 23, contact blocks 25 are fixedly installed on both sides of the sliding block 24, the sliding block 24 is snapped into the inside of the sliding groove opened on the top surface of the fourth sliding bar 23 through the contact block 25, a placement plate 26 is fixedly installed on the top surface of the sliding block 24, and the design of the sliding block 24 and the placement plate 26 can be used to place the detection object on the placement plate 26, and the snap-on design of the sliding block 24 can be used to fine-tune the position of the placement plate 26, so that the staff can adjust it to the most suitable position conveniently. In order to accurately detect the position of the detection part and reduce the generation of errors, a fixing plate 27 is fixedly installed on the top surface of the sliding plate 22, a threaded hole 28 is provided on one side of the sliding block 24, and a through hole is provided on one side of the fixing plate 27. The internal thread of the threaded hole 28 is connected with a threaded rod 29. Through the design of the threaded rod 29, the threaded rod 29 can be rotated to control the specific position of the sliding block 24 by threaded connection with the threaded hole 28, so that the staff can directly adjust the position of the internal detection part from the outside. One end of the threaded rod 29 passes through the through hole provided on one side of the fixing plate 27 and extends to the outside of the placement box 4. The outer wall surface of the threaded rod 29 is threadedly connected with a handle 30. The top surface of the fixing seat 1 is provided with a second fixing groove 3, and the interior of the second fixing groove 3 is fixedly installed with a spectrometer body 31.Through the design of the spectrometer body 31, the interference of light inside the processing box 6 can be analyzed and detected based on the spectrum generated by the spectrometer body 31, for the specific conditions of the test objects placed inside the placement box 4.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A Fourier infrared spectrometer with convenient adjustment, comprising a fixing base (1), characterized in that: The top surface of the fixing seat (1) is provided with a first fixing groove (2), a placement box (4) is fixedly installed inside the first fixing groove (2), a first fixing hole (5) is provided on the top surface of the placement box (4), a processing box (6) is fixedly installed inside the first fixing hole (5), a fixing bar (7) is fixedly installed inside the processing box (6), two mounting blocks (8) are fixedly installed on the bottom surface of the fixing bar (7), a through hole is provided on one side of the mounting block (8), a rotating rod (9) is provided on the bottom surface of the fixing bar (7), and the rotating rod (9) is composed of a cylindrical rod part, a disc-shaped part at both ends and a The rotating rod (9) is composed of two connecting block parts consisting of a semicircular shape and a rectangular shape. The rotating rod (9) is clamped between the two mounting blocks (8) through a through hole opened on one side of the mounting block (8) and the disc-shaped parts at both ends of the rotating rod (9). A first fixed frame (10) is provided on the bottom surface of the rotating rod (9). The first fixed frame (10) is fixedly installed together with the two connecting block parts consisting of a semicircular shape and a rectangular shape of the rotating rod (9). A fixed mirror (11) is fixedly installed inside the first fixed frame (10). A beam splitter (32) is fixedly installed inside the processing box (6), and the beam splitter (32) is placed obliquely.

2. The easily adjustable Fourier transform infrared spectrometer according to claim 1, characterized in that: A first sliding bar (12) is fixedly installed on both sides of the interior of the processing box (6), and a sliding groove is opened on one side of the first sliding bar (12). A second fixed frame (13) is provided inside the processing box (6), and a second sliding bar (14) is fixedly installed on both sides of the second fixed frame (13). The second fixed frame (13) is connected to the interior of the processing box (6) through the sliding groove opened on one side of the first sliding bar (12) and the second sliding bar (14). A moving mirror (15) is fixedly installed inside the second fixed frame (13). A second fixing hole (16) is opened on the inner bottom surface of the processing box (6), and a converging lens (17) is fixedly installed inside the second fixing hole (16).

3. The easily adjustable Fourier transform infrared spectrometer according to claim 1, characterized in that: A positioning frame (18) is fixedly installed on the top surface of the placement box (4), and the positioning frame (18) is aligned with the first fixing hole (5). Slide grooves are provided on both sides of the interior of the positioning frame (18). A sealing cover (19) is provided inside the positioning frame (18), and a third sliding bar (20) is fixedly installed on both sides of the sealing cover (19). The sealing cover (19) is clamped inside the positioning frame (18) through the slide grooves provided on both sides of the interior of the positioning frame (18) and the third sliding bar (20).

4. The easily adjustable Fourier transform infrared spectrometer according to claim 1, characterized in that: A sliding hole (21) is provided on one side of the placement box (4), a sliding plate (22) is sleeved inside the sliding hole (21), a fourth sliding bar (23) is fixedly installed on the top surface of the sliding plate (22), a sliding groove is provided on the top surface of the fourth sliding bar (23), a sliding block (24) is provided inside the sliding groove on the top surface of the fourth sliding bar (23), contact blocks (25) are fixedly installed on both sides of the sliding block (24), the sliding block (24) is clamped in the sliding groove provided on the top surface of the fourth sliding bar (23) through the contact block (25), and a placement plate (26) is fixedly installed on the top surface of the sliding block (24).

5. The easily adjustable Fourier transform infrared spectrometer according to claim 4, characterized in that: A fixing plate (27) is fixedly installed on the top surface of the sliding plate (22), a threaded hole (28) is provided on one side of the sliding block (24), a through hole is provided on one side of the fixing plate (27), the internal thread of the threaded hole (28) is connected to a threaded rod (29), one end of the threaded rod (29) passes through the through hole provided on one side of the fixing plate (27) and extends to the outside of the placement box (4), and the outer wall surface of the threaded rod (29) is threadedly connected to a handle (30).

6. The easily adjustable Fourier transform infrared spectrometer according to claim 1, characterized in that: A second fixing groove (3) is provided on the top surface of the fixing seat (1), and a spectrometer body (31) is fixedly installed inside the second fixing groove (3).

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