Coriolis force effect demonstration device based on double visual angles

Abstract

The utility model discloses a Coriolis force effect demonstration device based on double visual angles, and belongs to the technical field of Coriolis force effect demonstration devices. Comprising a small ball for simulating a mass point; a base; a horizontally arranged rotating assembly is arranged on the base plate; a supporting plate is horizontally arranged on the rotating assembly; a simulation disc is horizontally arranged on the supporting plate, and the top surface of the simulation disc is provided with a paraboloid. The driving assembly drives the rotating assembly to rotate, the supporting plate is driven to rotate, and then the simulation disc is driven to rotate. Wherein the top surface of the simulation disc is provided with a paraboloid, so that simulation of an earth rotation environment is realized. When the Coriolis force effect demonstration device is used, the driving assembly drives the simulation disc to rotate, then the small balls are placed in from the edge of the simulation disc at a certain speed, the small balls are affected by Coriolis force, the motion trails of the small balls are changed, and therefore the purpose of Coriolis force effect demonstration is achieved. And the image or video data of the motion trail of the small ball on the simulation disc is acquired by the camera assembly, so that subsequent comparative analysis work is facilitated.

Description

Technical Field

[0001] This application relates to the field of Coriolis effect demonstration device technology, and in particular to a Coriolis effect demonstration device based on dual-view perspective. Background Technology

[0002] When a particle moves in a straight line, its tendency to move deviates relative to the rotating system due to the system's rotation. The core of this phenomenon lies in the Coriolis force, a virtual force observed in a non-inertial frame of reference that causes the trajectory of a particle to bend. The Coriolis force is not only an important concept in Earth system dynamics, but also crucial for predicting weather changes, understanding ocean circulation patterns, and designing high-precision navigation systems.

[0003] However, despite the significant implications of Coriolis force research for multiple fields, universities and research institutions still face numerous challenges in developing devices to demonstrate this phenomenon. These demonstration devices are generally complex in structure, expensive to manufacture, and lack stability, resulting in significant errors in the trajectories of the observed point masses (usually small balls). This, to some extent, limits its widespread application and in-depth research. Summary of the Invention

[0004] The purpose of this application is to provide a Coriolis force effect demonstration device based on dual perspectives, which solves the problems of complex structure, poor stability and cumbersome operation of existing Coriolis force demonstration devices.

[0005] To solve the above-mentioned technical problems, this application adopts the following technical solution:

[0006] This application provides a demonstration device for the Coriolis force effect based on a dual-view perspective, comprising: a small ball for simulating a point mass, and

[0007] Base;

[0008] The rotating assembly is horizontally mounted on the base;

[0009] A support plate is horizontally mounted on the rotating assembly;

[0010] A simulation disk is horizontally set on the support plate, and the top surface of the simulation disk has a parabolic surface.

[0011] A drive component for driving the rotation component to rotate.

[0012] The base serves as the support structure of the entire device, ensuring the stability of the entire device. The rotating assembly serves the functions of rotation and support. The rotating member is arranged to make the simulation disc rotate more smoothly, thereby reducing unnecessary vibration and shaking. The support plate provides support for the simulation disc, ensuring the stability of the simulation disc during rotation. The simulation disc top surface has a parabolic surface, thereby simulating the rotation of the earth. It should be noted that the parabolic surface of the simulation disc top surface in the present scheme is a concave parabolic surface. When in use, the simulation disc is rotated by the driving assembly, and the ball is placed from the edge of the simulation disc. The ball will change its trajectory under the influence of the Coriolis force, thereby achieving the purpose of demonstrating the Coriolis force effect. The ball can also be subjected to a certain force when placed, so that the ball has a certain initial speed when entering the simulation disc, thereby obtaining a variety of experimental samples to enrich subsequent comparative analysis work. The present scheme also provides another operation mode which can also achieve the purpose of demonstrating the Coriolis force effect. Specifically, when in use, the ball is placed from the center of the simulation disc, and a certain force is applied to the ball, so that the ball has a certain initial speed when entering the simulation disc, thereby enabling the ball to move towards the edge of the simulation disc. It should be noted that the ball should be placed after the simulation disc is rotating at a constant speed, thereby avoiding the interference of the initial acceleration of the simulation disc on the experimental results.

[0013] Optionally, the base top has a horizontally arranged horizontal plate, and the horizontal plate is provided with a first through hole. The driving assembly comprises a driving motor, a driving shaft and a rotating member. The driving motor is arranged in the base, and the driving motor is provided with a driving shaft coaxial with the first through hole. The driving shaft is coaxially provided with a connecting disc at the top, and the driving shaft passes through the first through hole and is connected to the rotating member through the connecting disc.

[0014] The horizontal plate is arranged at the top of the base and is in a horizontal state, ensuring that the elements mounted thereon can operate smoothly. The horizontal plate is provided with a first through hole for allowing the driving shaft to pass through, thereby connecting the driving assembly and the rotating member. In the present scheme, when the driving motor is started, it will drive the driving shaft to rotate. The rotation of the driving shaft will further drive the connecting disc coaxially arranged at the top to rotate, thereby driving the rotating member connected to the connecting disc to rotate.

[0015] Optionally, the rotating assembly comprises a universal rotating disc arranged on the horizontal plate and a rotating disc coaxially arranged on the universal rotating disc. The universal rotating disc and the rotating disc are respectively provided with a second through hole and a third through hole coaxially arranged with the first through hole at the center. The driving shaft passes through the second through hole and the third through hole in sequence and is connected to the rotating member through the connecting disc. The rotating disc is provided with a support frame at the top, and the rotating disc can be driven to rotate by rotating the rotating member.

[0016] In the scheme, the all-around turntable is fixed on the horizontal plate on one side and connected with the rotating disc on the other side, so that the rotating disc can rotate freely. Among them, the all-around turntable is coaxially arranged with the rotating disc, which ensures that the rotating disc can rotate around the shaft. The driving shaft passes through the first through hole, the second through hole and the third through hole in turn, and finally connects with the rotating part through the connecting disc.

[0017] Optionally, the top surface of the rotating disc is provided with a limiting column, the height of the limiting column is not greater than the height of the support frame, and the rotating part can abut against the limiting column through rotation.

[0018] Through the abutment of the rotating part and the limiting column, the rotating part can push the limiting column to rotate, thereby driving the rotating disc to rotate.

[0019] Optionally, it further includes a camera assembly for acquiring the movement trajectory of the small ball; the camera assembly includes: a first camera assembly for shooting the small ball under the condition of the inertial system, the first camera assembly includes: a first frame arranged on the support plate, and a first camera head arranged on the first frame, and the lens view angle center line of the first camera head can coincide with the simulation disc axis.

[0020] The first camera assembly is used for shooting the movement trajectory of the small ball under the condition of the inertial system. The inertial system refers to a reference system that is not affected by external force or the sum of external forces is zero, and in this reference system, the motion of the object follows Newton's law of motion.

[0021] In the scheme, the first support is arranged on the support plate, and the first support can rotate with the support plate, so that the first support and the simulation disc are relatively static. The first camera head captures the movement image of the small ball in the rotating simulation disc under this state. Thus, the movement trajectory of the small ball under the condition of the inertial system can be obtained. Among them, the lens view angle center line of the first camera head can coincide with the simulation disc axis. It is ensured that the camera can directly shoot the movement of the small ball from above the simulation disc, so as to more accurately record and analyze the movement trajectory of the small ball.

[0022] Optionally, the camera assembly further includes: a second camera assembly for shooting the small ball under the condition of the non-inertial system, the second camera assembly includes: a second frame and a second camera head arranged on the second frame.

[0023] The main function of the second camera assembly is to capture and record the movement trajectory of the small ball under the condition of the non-inertial system. The non-inertial system refers to a reference system that has acceleration relative to the inertial system. In this reference system, the motion of the object no longer follows the simple Newton's law of motion, but needs to consider the influence of additional inertial force (such as Coriolis force, centrifugal force, etc.).

[0024] In the scheme, the second frame will not rotate with the rotation of the simulation disc. The second frame is provided with a second camera, which is used to capture the motion image of the ball in the rotating simulation disc (i.e. under non-inertial conditions).

[0025] The scheme solves the problem of incomplete data of single observation visual angle of the traditional Coriolis effect demonstration device by shooting the motion trajectory of the ball through the first camera assembly and the second camera assembly. And the scheme can record two kinds of motion images at the same time in the same demonstration, avoiding the error accumulation caused by the change of experimental conditions. By comparing and analyzing the images shot by the first camera assembly and the second camera assembly, the influence of the Coriolis effect on the motion of the object can be more intuitively displayed and understood.

[0026] Compared with the prior art, the beneficial effects achieved by the present application are: the embodiment drives the rotation of the rotation assembly through the driving assembly, drives the rotation of the support plate, and then drives the rotation of the simulation disc. The top surface of the simulation disc has a parabolic surface, thereby realizing the simulation of the earth rotation environment. The rotation assembly and the support plate are arranged to ensure the stability of the simulation disc. When in use, the simulation disc is driven to rotate by the driving assembly, and the ball is placed at the center or the edge of the simulation disc. The ball will change its motion trajectory under the influence of the Coriolis force, thereby realizing the demonstration of the Coriolis effect. The present application has simple structure and convenient operation, and can quickly perform experimental demonstration without complex debugging and preparation work. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0028] Figure 1 is a schematic diagram of the overall structure of some embodiments provided by the present application;

[0029] Figure 2 is a partial structure explosion diagram of some embodiments provided by the present application;

[0030] Figure 3 is a schematic diagram of the overall structure of some embodiments provided by the present application.

[0031] Label explanation: 1-base; 2-rotating component; 3-supporting plate; 4-analog disk; 5-driving component; 6-camera component; 11-horizontal plate; 21-all-seeing rotating disk; 22-rotating disk; 31-vacuum chuck; 51-driving motor; 52-driving shaft; 53-rotating part; 54-connection disk; 61-first camera component; 62-second camera component; 111-first through hole; 211-second through hole; 221-third through hole; 222-supporting frame; 223-limiting column; 611-first frame; 612-first camera; 621-second frame; 622-second camera. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present disclosure / the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use.

[0033] Coriolis force is a description of the deviation of a particle performing linear motion in a rotating system due to inertia relative to the rotating system.

[0034] In order to more intuitively show this phenomenon, the present application provides a Coriolis force effect demonstration device based on double visual angles, which is used to intuitively demonstrate the effect of Coriolis force and more accurately simulate the motion trajectory of a particle in an inertial system (an inertial system refers to a reference system that is not affected by external force or the sum of external forces is zero, in which the motion of the object follows Newton's motion law.) and a non-inertial system (a non-inertial system refers to a reference system that has acceleration relative to the inertial system, in which the motion of the object no longer follows the simple Newton's motion law, but needs to consider the influence of additional inertial forces such as Coriolis force, centrifugal force, etc.).

[0035] Embodiment one

[0036] This embodiment introduces a Coriolis force effect demonstration device based on double visual angles, which is used to intuitively demonstrate the effect of Coriolis force and more accurately simulate the motion trajectory of a particle in an inertial system (an inertial system refers to a reference system that is not affected by external force or the sum of external forces is zero, in which the motion of the object follows Newton's motion law.) and a non-inertial system (a non-inertial system refers to a reference system that has acceleration relative to the inertial system, in which the motion of the object no longer follows the simple Newton's motion law, but needs to consider the influence of additional inertial forces such as Coriolis force, centrifugal force, etc.). Figure 1The demonstration device based on the Coriolis effect under the double-view angle in the embodiment comprises a small ball for simulating a particle. The demonstration device further comprises a base 1, a rotating assembly 2 horizontally arranged on the base 1, a support plate 3 horizontally arranged on the rotating assembly 2, and a simulation disc 4 horizontally arranged on the support plate 3 and having a parabolic surface. The base 1 serves as a support structure of the entire device and ensures the stability of the entire device. The rotating assembly 2 serves to rotate and support, and the rotating member 53 is arranged to make the simulation disc 4 rotate more stably, so as to reduce unnecessary vibration and shaking. The support plate 3 supports the simulation disc 4 and ensures the stability of the simulation disc 4 during rotation. In the embodiment, four vacuum suction cups 31 are arranged on the support plate 3 at equal intervals around the center of the support plate 3. The simulation disc 4 is connected to the support plate 3 through the vacuum suction cups 31.

[0037] In the embodiment, the driving assembly 5 drives the rotating assembly 2 to rotate, drives the support plate 3 to rotate, and further drives the simulation disc 4 to rotate. The simulation disc 4 has a parabolic surface, thereby simulating the rotation environment of the earth. It should be noted that the parabolic surface on the top surface of the simulation disc in the embodiment is a concave parabolic surface. During use, the simulation disc is driven to rotate by the driving assembly, and the small ball is placed from the edge of the simulation disc. The small ball will change its trajectory under the influence of the Coriolis force, thereby achieving the purpose of demonstrating the Coriolis effect. In the embodiment, a certain force can also be applied to the small ball when it is placed, so that the small ball has a certain initial speed when it enters the simulation disc. The embodiment also provides another operation mode which can also achieve the purpose of demonstrating the Coriolis effect. Specifically, during use, the small ball is placed from the center of the simulation disc, and a certain force is applied to the small ball, so that the small ball has a certain initial speed when it enters the simulation disc, thereby enabling the small ball to move towards the edge of the simulation disc. Through different operation modes, various experimental samples can be obtained, thereby enriching subsequent comparative analysis work. It should be noted that the small ball should be placed after the simulation disc 4 rotates at a constant speed, so as to avoid the interference of the initial acceleration of the simulation disc 4 on the experimental results.

[0038] In the embodiment, the simulation disc 4 is made of glass, the top surface of the simulation disc 4 has a parabolic surface, and a wax layer is arranged on the parabolic surface. The arrangement of the wax layer can make the friction of the small ball low, thereby making the experimental structure more accurate.

[0039] Embodiment Two

[0040] Based on the same inventive concept as Embodiment One, refer to Figure 1 and Figure 2In the embodiment, the top of the base 1 is provided with a horizontal plate 11 arranged horizontally, and the horizontal plate 11 is provided with a first through hole 111. The driving assembly 5 comprises a driving motor 51, a driving shaft 52 and a rotating part 53. The driving motor 51 is arranged in the base 1, and the driving motor 51 is provided with the driving shaft 52 coaxially arranged. The driving shaft 52 is coaxially provided with a connecting disc 54 at the top thereof, and the driving shaft 52 penetrates through the first through hole 111 and is connected with the rotating part 53 through the connecting disc 54. In the embodiment, when the driving motor 51 is started, the driving shaft 52 is driven to rotate. The rotation of the driving shaft 52 further drives the connecting disc 54 coaxially arranged at the top to rotate, and then drives the rotating part 53 connected with the connecting disc 54 to rotate.

[0041] In the embodiment, the rotating part 53 is detachably connected with the connecting disc 54. Specifically, the rotating part 53 and the connecting disc 54 can be connected by bolts, buckles or the like. As an optional embodiment, the rotating part 53 and the connecting disc 54 are provided with a plurality of holes corresponding to each other, and the rotating part 53 and the connecting disc 54 are connected by nylon straps penetrating through the holes on the rotating part 53 and the connecting disc 54.

[0042] Further, referring to Figure 2 and Figure 3 , the rotating assembly 2 comprises a universal rotating disc 21 arranged on the horizontal plate 11 and a rotating disc 22 coaxially arranged on the universal rotating disc 21. The universal rotating disc 21 is a full-bead universal rotating disc 21, and the rotation is more stable. The universal rotating disc 21 and the rotating disc 22 are respectively provided with a second through hole 211 and a third through hole 221 coaxially arranged with the first through hole 111 at the center thereof. The driving shaft 52 penetrates through the second through hole 211 and the third through hole 221 in sequence and is connected with the rotating part 53 through the connecting disc 54. In the embodiment, the rotating part 53 can drive the rotating disc 22 to rotate by rotating. Specifically, the top surface of the rotating disc 22 is provided with a support frame 222 and a limiting column 223. The support frame 222 is used for placing the support plate 3, and the height of the support frame 222 is not less than the height of the limiting column 223. In order to avoid the initial acceleration from causing the support plate 3 to deviate on the support frame 222, the contact surface between the support frame 222 and the limiting column 223 can be roughened. The rotating part 53 can abut against the limiting column 223 by rotating, so that the rotating part 53 can drive the limiting column 223 to rotate, and then drive the rotating disc 22 to rotate. It should be noted that the rotating part 53 can be in contact with the top surface of the rotating disc 22 or not. In order to avoid the rotating part 53 from generating axial force on the rotating disc 22, in the embodiment, the rotating disc 22 is not in contact with the top surface of the rotating disc 22. In the embodiment, the rotating disc 22 and the rotating part 53 are both made of 3D printing, and the cost is low.

[0043] In this embodiment, the all-around turntable 21 is fixed on the horizontal plate 11 on one side and connected with the rotating disc 22 on the other side, so that the rotating disc 22 can rotate freely. Among them, the all-around turntable 21 and the rotating disc 22 are coaxially arranged, which ensures that the rotating disc 22 can rotate around the shaft. The driving shaft 52 passes through the first through hole 111, the second through hole 211 and the third through hole 221 in turn, and finally connects with the rotating part 53 through the connecting disc 54.

[0044] In this embodiment, the power supply, motor encoder, circuit board and motor controller. Among them, the motor encoder is arranged on the driving motor 51, the motor controller is connected with the driving motor 51, and the circuit board is connected with the motor encoder and the motor controller. The power supply is used to provide power for the driving motor 51 and the circuit board.

[0045] The motor encoder is a sensor used to measure the rotational position or speed of the motor shaft. It can provide high-precision position feedback to help the control system accurately know the current state of the motor. In the embodiment, the motor encoder can monitor the running state of the driving motor 51 in real time, ensuring that the motor runs at a predetermined speed and position. In this embodiment, the circuit board uses STM32 circuit board, which is a kind of microcontroller with high performance, low power consumption and rich peripheral interface. It serves as the control center of the whole driving system, responsible for receiving input instructions, processing data and outputting control signals. In this embodiment, the STM32 circuit board can receive instructions from the user interface (such as starting, stopping, adjusting speed, etc.), and control the operation of the motor controller and the motor encoder according to these instructions. Further, the motor controller uses PWM DC motor controller, which accurately adjusts the speed and direction of the driving motor 51 according to the instructions issued by the STM32 circuit board. Thus, it ensures that the simulation disc 4 can rotate smoothly at a predetermined speed and direction, providing stable experimental conditions for demonstrating the Coriolis force effect.

[0046] Embodiment three:

[0047] Based on the same inventive concept as embodiment one and embodiment two, reference Figure 3 This embodiment is used to solve the problem of incomplete data of single observation visual angle in traditional Coriolis force effect demonstration device. The Coriolis force effect demonstration device based on double visual angle in this embodiment also includes a camera assembly 6; the camera assembly obtains image or video data of the motion track of the small ball on the simulation disc 4 for subsequent comparative analysis. Specifically, the camera assembly 6 includes: a first camera assembly 61 for shooting the small ball in the inertial system and a second camera assembly 62 for shooting the small ball in the non-inertial system.

[0048] The first camera assembly includes a first frame 611 arranged on the support plate 3, and the first frame 611 is provided with a first camera 612, and the lens view angle center line of the first camera 612 can coincide with the axis of the simulation disc 4. The first camera assembly 61 is used for shooting the movement track of the ball under the inertial system condition. In the embodiment, the first camera 612 is powered by a lithium battery, and the first camera 612 has an OpenMv+Wifi camera module, so that the recorded image can be more conveniently transmitted to subsequent video analysis software.

[0049] In the embodiment, the first support is arranged on the support plate 3, and the first support can rotate with the support plate 3, so that the first support is relatively static with the simulation disc 4. The movement image of the ball in the rotating simulation disc 4 is captured by the first camera 612. Thus, the movement track of the ball under the inertial system condition can be obtained. The lens view angle center line of the first camera 612 can coincide with the axis of the simulation disc 4. It is ensured that the camera can directly shoot the movement of the ball from above the simulation disc 4, so that the movement track of the ball can be more accurately recorded and analyzed.

[0050] Further, the second camera assembly includes a second frame 621 and a second camera 622 arranged on the second frame 621. The main function of the second camera assembly 62 is to capture and record the movement track of the ball under the non-inertial system condition. In the embodiment, the second camera 622 is a high-definition camera and is powered by an external power supply, so that the movement track can be captured with millimeter-level spatial resolution.

[0051] In the embodiment, the second frame 621 does not rotate with the rotation of the simulation disc 4. The second camera 622 is arranged on the second frame 621 and is used for capturing the movement image of the ball in the rotating simulation disc 4 (i.e. under the non-inertial condition).

[0052] The scheme solves the problem of incomplete data of single observation visual angle in the traditional Coriolis effect demonstration device by shooting the movement track of the ball through the first camera assembly 61 and the second camera assembly 62. The scheme can record two kinds of movement images at the same time in one demonstration, so that the error accumulation caused by the change of experimental conditions is avoided. By comparing and analyzing the images shot by the first camera assembly 61 and the second camera assembly 62, the influence of the Coriolis effect on the movement of the object can be more intuitively displayed and understood.

[0053] The trajectory of the small ball obtained through the embodiment can be theoretically analyzed in combination with a dynamic equation. MATLAB is used for numerical simulation, the theoretical trajectory is obtained in combination with the dynamic equation and the MATLAB numerical simulation, the experimental trajectory is processed by using the tracker software and MATLAB for numerical simulation, and finally the theoretical trajectory and the experimental trajectory are deeply compared and analyzed to further verify the accuracy of the physical law and provide a powerful tool for in-depth understanding and research of the Coriolis force. The technical scheme of the application is not only suitable for the demonstration of the Coriolis force effect in classroom teaching, but also can be used for related experiments in scientific research.

[0054] The above only describes the preferred embodiments of the application, and it should be noted that for those skilled in the art, without departing from the technical principles of the disclosure / application, several improvements and modifications can be made, and these improvements and modifications should be considered as the protection scope of the disclosure / application.

Claims

1. A demonstration device based on the Coriolis force effect under double visual angle, comprising a small ball for simulating a mass point, characterized in that, Also include: Base (1); Rotary assembly (2), horizontally disposed on the base (1); Support plate (3), horizontally disposed on the rotary assembly (2); Simulation disk (4), horizontally disposed on the support plate (3), the top surface of the simulation disk (4) has a parabolic surface; Driving assembly (5) for driving the rotary assembly (2) to rotate.

2. The demonstration device based on Coriolis force effect under dual view angle according to claim 1, characterized in that, The base (1) top is provided with a horizontal plate (11), the horizontal plate (11) is provided with a first through hole (111), the driving assembly (5) includes: driving motor (51), driving shaft (52) and rotating part (53); The driving motor (51) is arranged in the base (1), the driving motor (51) is provided with driving shaft (52), the driving shaft (52) is coaxial with the first through hole (111), the driving shaft (52) top coaxial arrangement has a connecting disc (54), the driving shaft (52) passes through the first through hole (111) and is connected with the rotating part (53) through the connecting disc (54).

3. The demonstration device based on Coriolis force effect under dual view angle according to claim 2, characterized in that, The rotary assembly (2) includes: setting on the horizontal plate (11) on the rotary disc (21) and coaxially arranged on the rotary disc (21) on the rotary disc (22); The rotary disc (21) and the rotary disc (22) center are respectively provided with the second through hole (211) and the third through hole (221) coaxially arranged with the first through hole (111), the driving shaft (52) passes through the second through hole (211) and the third through hole (221) in turn and is connected with the rotating part (53) through the connecting disc (54), the rotary disc (22) top is provided with a support frame (222), by rotating the rotating part (53) can drive the rotary disc (22) to rotate.

4. The device according to claim 3, wherein the two-vision demonstration device based on the Coriolis force effect is characterized in that, The top surface of the rotary disc (22) is provided with a limiting column (223), the height of the limiting column (223) is not greater than the height of the support frame (222), the rotating part (53) can be in contact with the limiting column (223) by rotating.

5. The device according to claim 4, wherein the two-vision demonstration device based on the Coriolis force effect is characterized in that, The rotary disc (22) and the rotating part (53) are made of 3D printing.

6. The device according to claim 1, wherein, Also include camera assembly (6), the camera assembly is used for acquiring the small ball trajectory; The camera assembly (6) includes: a first camera assembly (61) for shooting the small ball in the inertial system, the first camera assembly (61) includes: a first frame (611) disposed on the support plate (3), the first frame (611) is provided with a first camera (612), the lens view angle center line of the first camera (612) can coincide with the axis of the simulation disk (4).

7. The device according to claim 6, wherein the two-vision demonstration device based on the Coriolis force effect is characterized in that, The camera assembly (6) further includes: a second camera assembly (62) for shooting the small ball in the non-inertial system, the second camera assembly (62) includes: a second frame (621) and a second camera (622) disposed on the second frame (621).

8. The device according to claim 2, wherein, The driving assembly (5) further comprises a power supply, a motor encoder, a circuit board and a motor controller, the motor encoder is arranged on the driving motor (51), the motor controller is connected with the driving motor (51), the circuit board is connected with the motor encoder and the motor controller, and the power supply is used for providing power for the driving motor (51) and the circuit board.

9. The device according to claim 1, wherein, The simulation disc (4) is made of glass, and a wax layer is arranged on the top surface of the simulation disc (4).

10. The device according to claim 1, wherein, The support plate (3) is provided with a vacuum chuck (31), and the simulation disc (4) is connected with the support plate (3) through the vacuum chuck (31).

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