Spectrometer adjusting device assisted by laser alignment
Through the laser collimation auxiliary device, the spectrometer adjustment process is displayed using components such as pillars, turntables and auxiliary cylinders, which solves the complexity and intuitiveness of spectrometer adjustment, and simplifies operation and improves teaching effect.
Patent Information
- Application Number
- CN202421106349.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-20
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The adjustment process of spectrometers is complex and difficult to visually display. Especially in university physics experiments, it is difficult for students to adjust to parallel light when they first use it, which affects the teaching effect.
A laser collimation-assisted spectrometer adjustment device is designed, including a pillar, a rotary stage, a stage, a parallel light tube, a telescope and an auxiliary cylinder. The parallel light adjustment process is directly displayed through the laser collimation process, simplifying the operation steps, and through Telescopic rods, adjustment bolts and handles achieve fine adjustment of the optical path.
It effectively helps students understand and operate spectrometer optical path adjustment, display the adjustment process, simplify the operation process, and improve teaching effect and operation convenience.
Smart Images
Figure CN222213088U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spectrometer adjustment, in particular to a laser collimation-assisted spectrometer adjustment device. Background Art
[0002] A spectrometer is an instrument that disperses light according to wavelength and provides optical measurements. It is generally composed of three main components: a collimator, a prism stand, and a telescope. It can be used to measure wavelength, prism angle, refractive index and dispersion rate of prism materials, etc.
[0003] Spectrometer adjustment is a major difficulty in university physics experiment teaching. There are many adjustment steps and they require precision. It is difficult for students to adjust to parallel light for the first time, and the demonstration experiment can only be viewed in the eyepiece, so the effect of optical path adjustment is difficult to intuitively reflect. Utility Model Content
[0004] The purpose of the utility model is to provide a laser collimation-assisted spectrometer adjustment device, which has the characteristics of directly showing the parallel light adjustment process, helping students to understand the optical path adjustment process, having good classroom demonstration, being easy to understand the operation of spectrometer optical path adjustment, having simple structure and being easy to operate.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser alignment-assisted spectrometer adjustment device, comprising a spectrometer body, the spectrometer body comprising a pillar, the upper end surface of the pillar is rotatably connected to a turntable, the upper end surface of the turntable is provided with a stage, one side of the pillar is fixedly connected to a vertical pole, the upper end surface of the vertical pole is fixedly connected to a first mounting seat, the upper end of the first mounting seat is movably connected to a parallel light tube, the outer wall of the pillar is rotatably connected to a right-angle rod, the other end of the right-angle rod is fixedly connected to a second mounting seat, the upper end surface of the second mounting seat is movably connected to a telescope, the upper end of the stage is provided with a parallel whiteboard, the outer wall of the parallel whiteboard is penetrated by a plurality of horizontally evenly distributed circular holes, both ends of the telescope are detachably connected to auxiliary cylinders, the auxiliary cylinder comprises a conical cylinder, the side with a larger diameter of the conical cylinder is fixedly connected to a circular whiteboard, the center of the outer wall of the circular whiteboard is provided with a through hole, and the side with a larger diameter of the conical cylinder is provided with a socket.
[0006] In order to adjust the height of the parallel whiteboard, as a preferred laser alignment-assisted spectrometer adjustment device of the utility model, a telescopic rod is fixedly connected to the bottom of the parallel whiteboard, and the other end of the telescopic rod is fixedly connected to the base.
[0007] In order to facilitate the horizontal rotation of the semiconductor laser, as a preferred laser alignment-assisted spectrometer adjustment device of the utility model, a semiconductor laser is arranged on the side of the parallel light tube away from the stage, the bottom end of the semiconductor laser is fixedly connected to a support rod, and the bottom end of the support rod is rotatably connected to a swivel seat.
[0008] In order to facilitate imaging observation, as a preferred laser alignment-assisted spectrometer adjustment device of the utility model, a white screen is provided on the side of the telescope away from the stage, and a bracket is fixedly connected to the bottom end of the white screen.
[0009] In order to adjust the angle of the collimator and the telescope, as a preferred laser alignment-assisted spectrometer adjustment device of the utility model, the lower ends of the outer walls of the first mounting seat and the second mounting seat are respectively threadedly connected with a first adjusting bolt and a second adjusting bolt.
[0010] In order to facilitate the rotation of the semiconductor laser, as a preferred laser alignment-assisted spectrometer adjustment device of the utility model, a handle is fixedly connected to the outer wall of the support rod.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] This device uses the laser collimation process to directly display the parallel light adjustment process, which helps students understand the optical path adjustment process. The classroom demonstration is good and it is easy to understand the operation of spectrometer optical path adjustment. It has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is the main structural diagram of the parallel whiteboard of the utility model;
[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the auxiliary cylinder of the utility model;
[0016] Figure 4 It is a rear view structural schematic diagram of the auxiliary cylinder of the utility model.
[0017] In the figure: 1. pillar; 2. turntable; 3. stage; 4. vertical pole; 5. first mounting seat; 6. collimator; 7. base; 8. right-angle pole; 9. second mounting seat; 10. telescope; 11. parallel whiteboard; 12. round hole; 13. auxiliary tube; 14. conical tube; 15. round whiteboard; 16. through hole; 17. socket; 18. turntable; 19. support rod; 20. semiconductor laser; 21. bracket; 22. white screen; 23. first adjusting bolt; 24. second adjusting bolt; 25. handle; 26. telescopic rod. DETAILED DESCRIPTION
[0018] See also Figures 1 to 4 A laser alignment-assisted spectrometer adjustment device comprises a spectrometer body, the spectrometer body comprises a pillar 1, the upper end surface of the pillar 1 is rotatably connected with a turntable 2, the upper end surface of the turntable 2 is provided with a stage 3, one side of the pillar 1 is fixedly connected with a vertical pole 4, the upper end surface of the vertical pole 4 is fixedly connected with a first mounting seat 5, the upper end of the first mounting seat 5 is movably connected with a parallel light tube 6, the outer wall of the pillar 1 is rotatably connected with a right-angle rod 8, the other end of the right-angle rod 8 is fixedly connected with a second mounting seat 9, the upper end surface of the second mounting seat 9 is movably connected with a telescope 10, the upper end of the stage 3 is provided with a parallel whiteboard 11, the outer wall of the parallel whiteboard 11 is penetrated with a plurality of horizontally evenly distributed circular holes 12, both ends of the telescope 10 are detachably connected with auxiliary cylinders 13, the auxiliary cylinder 13 comprises a conical cylinder 14, the side with a larger diameter of the conical cylinder 14 is fixedly connected with a circular whiteboard 15, the outer wall center of the circular whiteboard 15 is provided with a through hole 16, and the side with a larger diameter of the conical cylinder 14 is provided with a socket 17.
[0019] In this embodiment, when operating and adjusting, firstly, the spectrometer body is placed on a horizontal table, the semiconductor laser 20 is aligned with the center of the slit, one of the auxiliary tubes 13 is sleeved on the non-eyepiece end of the telescope 10, and the first adjustment bolt 23 below the collimator 6 is adjusted to change the angle of the collimator 6, so that the laser passes through the through hole 16 on the outer wall of the auxiliary tube 13 and enters the telescope 10, and then the eyepiece of the telescope 10 is removed, and another auxiliary tube 13 is inserted, and the second adjustment bolt 24 below the telescope 10 is adjusted to make the laser pass through the through hole 16 of the auxiliary tube 13. The parallel whiteboard 11 with the base 7 is placed on the stage 3. The parallel whiteboard 11 can be adjusted up and down by the telescopic rod 26. First, the laser is passed through the central circular hole 12. The parallel light tube 6 is rotated to drive the semiconductor laser 20 to turn. The stage is adjusted to rotate so that the laser passes through the circular holes 12 of the parallel whiteboard 11 in turn. Then, the stage 3 is adjusted to be horizontal. With the help of the laser collimation process, the parallel light adjustment process is directly displayed, which is helpful for students to understand the optical path adjustment process. The classroom demonstration is good, and it is easy to understand the operation of the spectrometer optical path adjustment. The structure is simple and the operation is convenient.
[0020] As a technical optimization solution of the present invention, a telescopic rod 26 is fixedly connected to the bottom of the parallel whiteboard 11 , and the other end of the telescopic rod 26 is fixedly connected to the base 7 .
[0021] In this embodiment, the parallel whiteboard 11 is stably placed by the base 7 , and the height of the parallel whiteboard 11 is easily adjusted by the telescopic rod 26 .
[0022] As a technical optimization solution of the utility model, a semiconductor laser 20 is arranged on the side of the collimator 6 away from the stage 3, the bottom end of the semiconductor laser 20 is fixedly connected to a support rod 19, and the bottom end of the support rod 19 is rotatably connected to a swivel seat 18.
[0023] In this embodiment, the bottom end of the support rod 19 is rotatably connected to the rotating seat 18, so as to facilitate the semiconductor laser 20 to rotate horizontally and adjust conveniently.
[0024] As a technical optimization solution of the present invention, a white screen 22 is provided on the side of the telescope 10 away from the stage 3 , and a bracket 21 is fixedly connected to the bottom end of the white screen 22 .
[0025] In this embodiment: the white screen 22 facilitates imaging, thereby making observation more convenient.
[0026] As a technical optimization solution of the present invention, the lower ends of the outer walls of the first mounting seat 5 and the second mounting seat 9 are respectively threadedly connected with a first adjusting bolt 23 and a second adjusting bolt 24 .
[0027] In this embodiment, the first adjusting bolt 23 and the second adjusting bolt 24 are used to adjust the angles of the collimator 6 and the telescope 10 respectively.
[0028] As a technical optimization solution of the present invention, a handle 25 is fixedly connected to the outer wall of the support rod 19 .
[0029] In this embodiment, a handle 25 is fixedly connected to the outer wall of the support rod 19, and the handle 25 is used to drive the support rod 19 to rotate.
[0030] Working principle: When operating and adjusting, first place the spectrometer body on a horizontal table, align the semiconductor laser 20 with the center of the slit, sleeve one of the auxiliary tubes 13 on the non-eyepiece end of the telescope 10, adjust the first adjustment bolt 23 below the collimator 6 to change the angle of the collimator 6, so that the laser passes through the through hole 16 on the outer wall of the auxiliary tube 13 and enters the telescope 10, further remove the eyepiece of the telescope 10, and then insert another auxiliary tube 13, adjust the second adjustment bolt 24 below the telescope 10, so that the laser is emitted from the through hole 16 of the auxiliary tube 13. Finally, the parallel whiteboard 11 with the base 7 is placed on the stage 3. The parallel whiteboard 11 can be adjusted up and down by the telescopic rod 26. First, let the laser pass through the central circular hole 12, rotate the parallel light tube 6 to drive the semiconductor laser 20 to turn, adjust the stage to rotate, and make the laser pass through the circular holes 12 of the parallel whiteboard 11 in turn, so that the stage 3 is adjusted to be horizontal. With the help of the laser collimation process, the parallel light adjustment process is directly displayed, which is helpful for students to understand the optical path adjustment process. The classroom demonstration is good, and it is easy to understand the operation of the spectrometer optical path adjustment. The structure is simple and the operation is convenient.
[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A laser alignment-assisted spectrometer adjustment device, comprising a spectrometer body, characterized in that: The spectrometer body comprises a support (1), the upper end surface of the support (1) is rotatably connected to a turntable (2), the upper end surface of the turntable (2) is provided with a stage (3), one side of the support (1) is fixedly connected to a vertical rod (4), the upper end surface of the vertical rod (4) is fixedly connected to a first mounting seat (5), the upper end of the first mounting seat (5) is movably connected to a parallel light tube (6), the outer wall of the support (1) is rotatably connected to a right-angle rod (8), the other end of the right-angle rod (8) is fixedly connected to a second mounting seat (9), the upper end surface of the second mounting seat (9) is movably connected to A telescope (10) is connected, a parallel whiteboard (11) is arranged at the upper end of the stage (3), a plurality of horizontally evenly distributed circular holes (12) are penetrated through the outer wall of the parallel whiteboard (11), both ends of the telescope (10) are detachably connected with auxiliary tubes (13), the auxiliary tube (13) comprises a conical tube (14), a circular whiteboard (15) is fixedly connected to the side with a larger diameter of the conical tube (14), a through hole (16) is opened at the center of the outer wall of the circular whiteboard (15), and a sleeve interface (17) is opened on the side with a larger diameter of the conical tube (14).
2. The laser alignment-assisted spectrometer adjustment device according to claim 1, characterized in that: The bottom of the parallel whiteboard (11) is fixedly connected to a telescopic rod (26), and the other end of the telescopic rod (26) is fixedly connected to a base (7).
3. The laser alignment-assisted spectrometer adjustment device according to claim 1, characterized in that: A semiconductor laser (20) is arranged on a side of the collimator (6) away from the stage (3); the bottom end of the semiconductor laser (20) is fixedly connected to a support rod (19); and the bottom end of the support rod (19) is rotatably connected to a swivel seat (18).
4. The laser alignment-assisted spectrometer adjustment device according to claim 1, characterized in that: A white screen (22) is provided on a side of the telescope (10) away from the object platform (3), and a bracket (21) is fixedly connected to the bottom end of the white screen (22).
5. The laser alignment-assisted spectrometer adjustment device according to claim 1, characterized in that: The lower ends of the outer walls of the first mounting seat (5) and the second mounting seat (9) are respectively threadedly connected with a first adjusting bolt (23) and a second adjusting bolt (24).
6. The laser alignment-assisted spectrometer adjustment device according to claim 3, characterized in that: A handle (25) is fixedly connected to the outer wall of the support rod (19).