Light projection display stand for scientific physics
By designing a scientific physics light projection display stand, using components such as rotary rods, mounting plates, lenses, etc., the problem of the two experiments in the existing technology requires separate devices, and the adjustment of intelligent control of object distance and image distance is achieved, and the adjustment of intelligent control of object distance and image distance is simplified. Experimental operation and improved display convenience.
Patent Information
- Application Number
- CN202420560060.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-21
AI Technical Summary
In the prior art, verifying the two experiments of convex lens imaging and small hole imaging require two separate experimental devices, which are troublesome and cannot be performed on one display stand.
A scientific physics light projection display platform is designed, including a base and control system, and the intelligentization is achieved through components such as rotary rods, mounting plates, lenses, baffles, small holes, light sources, light plates, adjustment components and touch screens. Controlling the adjustment of object distance and image distance allows two experiments to be performed on the same device.
It realizes the operation and verification of convex lens imaging rules and small hole imaging experiments on the same device, simplifying the operation and improving the convenience of the experiment.
Smart Images
Figure CN222260321U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to scientific and physical experimental instruments, and more specifically to a light projection display stand for scientific and physical experiments. Background Art
[0002] Physics is a natural science based on experiments and is recognized as the most important basic science. If you can't do experiments or can't do them well, you can't say you've learned physics well. Optics is a branch of physics that mainly studies the phenomena, properties and applications of light. It is a difficult knowledge point in junior high school physics and a must-know knowledge point in the high school entrance examination.
[0003] In junior high school physics, verifying the imaging law of convex lenses and pinhole imaging is a very important experiment in optics. It allows students to understand the propagation properties and propagation factors of light, understand the imaging law of convex lenses, and verify the correctness of optical principles. At present, the two experiments of verifying the imaging law of convex lenses and pinhole imaging require two separate experimental devices. It is impossible to use one display stand to display two experiments, and the operation is cumbersome. Utility Model Content
[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a light projection display stand for science and physics.
[0005] To solve the above problems, the utility model adopts the following technical solutions.
[0006] A light projection display stand for science and physics, comprising a base and a control system, wherein the base is arranged through front and back, a rotating rod is rotatably arranged on the inner side of the base, a mounting plate and a mounting rod are fixedly arranged on the outer wall of the rotating rod, the mounting plate and the mounting rod are arranged perpendicular to each other, a lens is fixedly installed on the end of the mounting rod, a baffle is arranged on one side of the mounting plate, and a small hole is opened on the baffle;
[0007] A light source and a light plate are arranged in the base, and the light source and the light plate are respectively located on both sides of the rotating rod. Through slots are opened on both sides of the top of the base, and adjustment components are installed in the two through slots, and the two adjustment components drive the light source and the light plate to move respectively;
[0008] The control system comprises a touch screen, which is fixedly mounted on the inner side of the base, and a single chip microcomputer is installed in the touch screen for controlling the movement of the light source and the light board and the rotation of the rotating rod.
[0009] As a further description of the above technical solution: an electric push rod electrically connected to the single-chip microcomputer is hingedly installed on the inner side of the base, a push-pull rod is fixedly connected to the outer wall of the rotating rod, and the movable end of the electric push rod is hinged to an end of the push-pull rod away from the rotating rod.
[0010] As a further description of the above technical solution: two limiting columns are fixedly arranged on the inner bottom wall of the base, and the two limiting columns limit the push-pull rod so that the rotation range of the push-pull rod is limited to 90°.
[0011] As a further description of the above technical solution: a rotating motor electrically connected to the single-chip microcomputer is fixedly installed on one side of the mounting plate, the output shaft of the rotating motor passes through the mounting plate and is fixedly sleeved with a driving gear, a driven gear meshing with the driving gear is rotatably provided on one side of the mounting plate through an axle pin, and the baffle is fixedly provided on the side of the driven gear away from the mounting plate.
[0012] As a further description of the above technical solution: the small holes opened on the baffle are distributed in a circular array, the shapes of the small holes are different, the diameter of the driven gear is several times the diameter of the driving gear, and the multiple is equal to the number of small holes.
[0013] As a further description of the above technical solution: the two adjustment components each include an adjustment motor fixedly mounted on the side of the base, a screw fixedly arranged between the output shaft of the adjustment motor and the inner wall of the through groove, and an adjustment seat threadedly connected to the outer wall of the screw, and the light source and light panel are respectively installed under the two adjustment seats.
[0014] As a further description of the above technical solution: the adjustment seat is an "I"-shaped structure, and the adjustment seat is engaged with the through slot and moves in a straight line along the through slot.
[0015] As a further description of the above technical solution: a scale plate is fixedly connected to the inner bottom wall of the base.
[0016] Compared with the prior art, the advantages of the present invention are:
[0017] This scheme conducts two experiments, verifying the imaging law of convex lenses and pinhole imaging, on the same device, and intelligently controls the adjustment of object distance and image distance, which is simple and convenient to operate and easy to demonstrate the experiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0019] Figure 2 It is a schematic diagram of a three-dimensional state of a local structure of the utility model;
[0020] Figure 3 It is a three-dimensional structural schematic diagram of the adjustment component of the utility model;
[0021] Figure 4 The figure is a schematic diagram of the rotation principle structure of the baffle of the utility model.
[0022] Description of the numbers in the figure:
[0023] 1. Base; 2. Rotating rod; 3. Mounting plate; 4. Mounting rod; 5. Lens; 6. Baffle; 7. Small hole; 8. Light source; 9. Light board; 10. Through slot; 11. Touch screen; 12. Electric push rod; 13. Limit column; 14. Rotating motor; 15. Driving gear; 16. Driven gear; 17. Adjusting motor; 18. Screw; 19. Adjusting seat; 20. Scale plate; 21. Push-pull rod. DETAILED DESCRIPTION
[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;
[0025] See also Figures 1 to 4 In the utility model, a light projection display stand for science and physics includes a base 1 and a control system. The base 1 is arranged through front and back. A rotating rod 2 is rotatably arranged on the inner side of the base 1. A mounting plate 3 and a mounting rod 4 are fixedly arranged on the outer wall of the rotating rod 2. The mounting plate 3 and the mounting rod 4 are arranged perpendicular to each other. A lens 5 is fixedly installed on the end of the mounting rod 4. A baffle 6 is arranged on one side of the mounting plate 3. A small hole 7 is opened on the baffle 6.
[0026] A light source 8 and a light plate 9 are arranged in the base 1. The light source 8 and the light plate 9 are respectively located on both sides of the rotating rod 2. Through slots 10 are opened on both sides of the top of the base 1. Adjustment components are installed in the two through slots 10. The two adjustment components drive the light source 8 and the light plate 9 to move respectively.
[0027] The control system includes a touch screen 11 , which is fixedly mounted on the inner side of the base 1 . A single chip microcomputer is installed in the touch screen 11 for controlling the movement of the light source 8 and the light plate 9 and the rotation of the rotating rod 2 .
[0028] In this embodiment, preferably, an electric push rod 12 electrically connected to the single-chip computer is hingedly installed on the inner side of the base 1, a push-pull rod 21 is fixedly connected to the outer wall of the rotating rod 2, and the movable end of the electric push rod 12 is hinged to the end of the push-pull rod 21 away from the rotating rod 2; the single-chip computer controls the electric push rod 12 to pull the push-pull rod 21, and the push-pull rod 21 drives the rotating rod 2 to rotate.
[0029] In this embodiment, preferably, two limiting columns 13 are fixedly provided on the inner bottom wall of the base 1 , and the two limiting columns 13 limit the push-pull rod 21 so that the rotation range of the push-pull rod 21 is limited to 90°.
[0030] In this embodiment, preferably, a rotating motor 14 electrically connected to the single-chip computer is fixedly mounted on one side of the mounting plate 3, the output shaft of the rotating motor 14 passes through the mounting plate 3 and is fixedly sleeved with a driving gear 15, and a driven gear 16 meshing with the driving gear 15 is rotatably provided on one side of the mounting plate 3 through an axle pin, and the baffle 6 is fixedly arranged on the side of the driven gear 16 away from the mounting plate 3.
[0031] In the present embodiment, preferably, the small holes 7 provided on the baffle 6 are distributed in a circular array, the shapes of the small holes 7 are all different, the diameter of the driven gear 16 is several times the diameter of the driving gear 15, and the multiple is equal to the number of the small holes 7; assuming that the number of the small holes 7 is 4, the diameter of the driven gear 16 is four times the diameter of the driving gear 15, that is, the rotating motor 14 drives the driving gear 15 to rotate one circle, and the driven gear 16 can follow the rotation of a quarter of a circle, so that the positions of different small holes 7 can be adjusted one by one.
[0032] In this embodiment, preferably, the two adjustment components each include an adjustment motor 17 fixedly mounted on the side of the base 1, a screw 18 fixedly disposed between the output shaft of the adjustment motor 17 and the inner wall of the through slot 10, and an adjustment seat 19 threadedly connected to the outer wall of the screw 18, and the light source 8 and the light panel 9 are respectively mounted below the two adjustment seats 19.
[0033] In this embodiment, preferably, the adjustment seat 19 is an I-shaped structure, and the adjustment seat 19 is engaged with the through slot 10 and moves linearly along the through slot 10 .
[0034] In this embodiment, preferably, a scale plate 20 is fixedly connected to the inner bottom wall of the base 1 , and the scale plate 20 can better record the positions of the light source 8 and the light board 9 .
[0035] The working principle and use process of this utility model:
[0036] The single-chip microcomputer is programmed according to the requirements, and the touch screen 11 controls the single-chip microcomputer to issue commands to the rotating motor 14, the adjusting motor 17 and the electric push rod 12;
[0037] When a pinhole 7 imaging experiment is required, the overall Figure 1 As shown, the light source 8 forms an image on the light plate 9 through the small hole 7 on the baffle 6, and the adjusting motor 17 can drive the screw 18 to rotate, and the screw thread of the screw 18 drives the adjusting seat 19 to move along the through slot 10, thereby adjusting the distance between the light source 8, the light plate 9 and the baffle 6 respectively, realizing the adjustment of the object distance and the image distance, observing and recording the experimental phenomena, and summarizing the relationship between the imaging of the small hole 7 and the distance; at the same time, the driving gear 15 can be driven to rotate one circle by the rotating motor 14, thereby driving the driven gear 16 to rotate the baffle 6, and replacing the small hole 7, and studying whether the small holes 7 of different shapes have an effect on the small hole 7 imaging experiment;
[0038] When an experiment is needed to verify the imaging law of the convex lens 5, the electric push rod 12 is controlled to extend and push the push-pull rod 21, and the push-pull rod 21 drives the rotating rod 2 to rotate until the push-pull rod 21 contacts the corresponding limit column 13, so that the rotating rod 2 rotates 90°.
[0039] Move the lens 5 to the desired position, and the light source 8 forms an image on the light plate 9 through the lens 5. The adjusting motor 17 can drive the screw 18 to rotate, and the screw thread of the screw 18 can move the adjusting seat 19 along the through slot 10, thereby adjusting the distance between the light source 8, the light plate 9 and the lens 5 respectively, realizing the adjustment of the object distance and the image distance, observing and recording the experimental phenomena, and summarizing the imaging law of the convex lens 5;
[0040] In summary, the utility model conducts two experiments, namely, verifying the imaging law of the convex lens 5 and the imaging of the pinhole 7, on the same device, and intelligently controls the adjustment of the object distance and the image distance, which is simple and convenient to operate and is convenient for the demonstration of the experiment.
[0041] The electronic components and modules used in the content of this utility model can all be parts that are commonly used in the market and can realize the specific functions in this case, and the specific models and sizes can be selected and adjusted according to actual needs. The electronic components and modules are all connected to an external power supply and a control switch for use. Their specific circuit connection methods and methods of use are commonly used public technologies and will not be elaborated on here.
[0042] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.
Claims
1. A light projection display stand for science and physics, comprising a base (1) and a control system, characterized in that: The base (1) is arranged to be through-connected from front to back, a rotating rod (2) is rotatably arranged on the inner side of the base (1), a mounting plate (3) and a mounting rod (4) are fixedly arranged on the outer wall of the rotating rod (2), the mounting plate (3) and the mounting rod (4) are arranged perpendicular to each other, a lens (5) is fixedly mounted on the end of the mounting rod (4), a baffle (6) is arranged on one side of the mounting plate (3), and a small hole (7) is opened on the baffle (6); A light source (8) and a light plate (9) are arranged in the base (1), and the light source (8) and the light plate (9) are respectively located on two sides of the rotating rod (2); through grooves (10) are provided on two sides of the top of the base (1), and adjustment components are installed in both through grooves (10), and the two adjustment components are respectively used to drive the light source (8) and the light plate (9) to move; The control system comprises a touch screen (11), the touch screen (11) is fixedly mounted on the inner side of the base (1), and a single chip microcomputer is installed in the touch screen (11) for controlling the movement of the light source (8) and the light plate (9) and the rotation of the rotating rod (2).
2. A scientific and physical light projection display stand according to claim 1, characterized in that: An electric push rod (12) electrically connected to the single-chip microcomputer is hingedly mounted on the inner side of the base (1), a push-pull rod (21) is fixedly connected to the outer wall of the rotating rod (2), and the movable end of the electric push rod (12) is hingedly connected to an end of the push-pull rod (21) away from the rotating rod (2).
3. A scientific and physical light projection display stand according to claim 2, characterized in that: Two limiting columns (13) are fixedly arranged on the inner bottom wall of the base (1), and the two limiting columns (13) limit the push-pull rod (21) so that the rotation range of the push-pull rod (21) is limited to 90 degrees.
4. The light projection display stand for science and physics according to claim 1, characterized in that: A rotating motor (14) electrically connected to the single-chip computer is fixedly mounted on one side of the mounting plate (3); an output shaft of the rotating motor (14) passes through the mounting plate (3) and is fixedly sleeved with a driving gear (15); a driven gear (16) meshing with the driving gear (15) is rotatably arranged on one side of the mounting plate (3) via an axle pin; and the baffle (6) is fixedly arranged on a side of the driven gear (16) away from the mounting plate (3).
5. A scientific and physical light projection display stand according to claim 4, characterized in that: The small holes (7) formed on the baffle (6) are distributed in a circular array, and the shapes of the small holes (7) are different. The diameter of the driven gear (16) is several times the diameter of the driving gear (15), and the multiple is equal to the number of the small holes (7).
6. The light projection display stand for science and physics according to claim 1, characterized in that: The two adjustment components each comprise an adjustment motor (17) fixedly mounted on a side of the base (1), a screw (18) fixedly arranged between an output shaft of the adjustment motor (17) and an inner wall of the through slot (10), and an adjustment seat (19) threadedly connected to an outer wall of the screw (18); the light source (8) and the light panel (9) are respectively mounted below the two adjustment seats (19); The adjustment seat (19) is an I-shaped structure, and the adjustment seat (19) is engaged with the through slot (10) and moves linearly along the through slot (10).
7. The light projection display stand for science and physics according to claim 1, characterized in that: A scale plate (20) is fixedly connected to the inner bottom wall of the base (1).