Resonance demonstration instrument

Abstract

The utility model relates to the technical field of resonance demonstration instruments, and discloses a resonance demonstration instrument, which comprises a bottom plate and further comprises a movable plate arranged at the top of the bottom plate, and a limiting assembly for limiting the movable plate is arranged between the bottom plate and the movable plate; the mounting assembly is arranged at the top of the moving plate, spokes are mounted on the mounting assembly, a vibrator is adhered to the spokes through glue, a six-axis angular displacement sensor is fixedly connected to the interior of the vibrator, and a single chip microcomputer is fixedly connected to the bottom plate; the transmission assembly drives the moving plate to reciprocate on the bottom plate, the moving plate drives the spokes and the vibrators to vibrate, the vibrators drive the six-axis angular displacement sensor in the vibrators to move, the single-chip microcomputer monitors the deflection angle of the six-axis angular displacement sensor, the deflection angle is converted into the current amplitude through calculation, and the amplitude of the current amplitude is calculated. Resonance generation conditions can be quantitatively explored, and the resonance generation conditions can be visually explored.

Description

TECHNICAL FIELD

[0001] The utility model relates to resonance demonstration instrument technical field, concretely is a kind of resonance demonstration instrument. BACKGROUND

[0002] Resonance is a natural phenomenon, also an important physical concept. Its physical process and law, when learning vibration knowledge, it is difficult for students to understand and master. Resonance demonstration instrument is a kind of teaching instrument that directly displays resonance phenomenon through mechanical or acoustic device, and its core principle is that the amplitude significantly increases when the forced vibration frequency matches the natural frequency of the object.

[0003] Traditional resonance demonstration instrument only stays in qualitative demonstration level, only through visual observation of the vibration amplitude change of spring or swing rod, lack of quantitative data support, cannot accurately analyze resonance threshold and energy transfer efficiency, students cannot obtain vibration frequency spectrum, phase difference and other key parameters in real time, phenomenon and theory are disjointed and cannot realize quantitative exploration, the exploration process of the condition generated by resonance is relatively fuzzy. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of resonance demonstration instrument to solve the problems presented in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of resonance demonstration instrument, including bottom plate, still including:

[0006] Moving plate is set in the top of the bottom plate, and the bottom plate and moving plate are provided with the limiting assembly that the moving plate is limited to process between the top of the bottom plate and moving plate;

[0007] Mounting assembly is set in the top of the moving plate, and spoke is installed on the mounting assembly, and vibrator is pasted on the spoke by glue, and six-axis angular displacement sensor is fixedly connected in the vibrator, and single-chip microcomputer is fixedly connected on the bottom plate;

[0008] Transmission assembly is installed in the top of the bottom plate.

[0009] Preferably, the limiting assembly includes two limiting strips symmetrically fixedly connected at the bottom of the moving plate, and the top of the bottom plate is fixedly connected with a sliding rail.

[0010] Preferably, the mounting assembly includes a fixed rod fixedly connected at the top of the moving plate, the spoke is inserted into the inside of the fixed rod, and the nut is screw-connected on the outside of the fixed rod.

[0011] Preferably, the transmission assembly comprises a servo motor fixedly connected at the top of the bottom plate, an output end of the servo motor is fixedly connected with a connecting rod, the connecting rod is rotationally connected with a push rod, the moving plate is fixedly connected with a connecting seat, and one end of the connecting rod is rotationally connected with the connecting seat.

[0012] Preferably, the bottom plate is fixedly connected with a support rod at the bottom, and the support rod is fixedly connected with a support base at the bottom.

[0013] Preferably, the servo motor is fixedly connected with a mounting seat, and the mounting seat is fixedly connected to the bottom plate.

[0014] Preferably, the six-axis angular displacement sensor and the single-chip microcomputer are electrically connected through a cable.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a transmission assembly drives the moving plate to reciprocate on the bottom plate, the moving plate drives the spoke and the vibrator to vibrate, the vibrator drives the six-axis angular displacement sensor inside it to move, the deflection angle of the six-axis angular displacement sensor is monitored through the single-chip microcomputer, and the deflection angle is converted into the current amplitude through calculation, the condition of resonance can be quantitatively explored, and the condition of resonance can be directly explored. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a resonance demonstration instrument's structural schematic diagram;

[0018] Figure 2 The utility model provides a vibrator internal structure schematic diagram;

[0019] Figure 3 The utility model provides a transmission assembly structural schematic diagram;

[0020] Figure 4 The utility model provides a bottom plate structural schematic diagram;

[0021] Figure 5 The utility model provides an installation assembly structural schematic diagram.

[0022] In the drawing: 1, bottom plate;2, moving plate;3, limiting assembly;301, limiting strip;302, slide rail;4, installation assembly;401, fixed rod;402, nut;5, spoke;6, vibrator;7, six-axis angular displacement sensor;8, single-chip microcomputer;9, transmission assembly;901, servo motor;902, connecting rod;903, push rod;904, connecting seat;10, support rod;11, support base;12, mounting seat. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-5 As shown in FIG. 1, a resonance demonstration instrument includes a bottom plate 1, further comprising: a moving plate 2 arranged on the top of the bottom plate 1, a limiting assembly 3 arranged between the bottom plate 1 and the moving plate 2 for limiting the moving plate 2, the moving plate 2 can move linearly on the bottom plate 1 through the limiting assembly 3; an installation assembly 4 arranged on the top of the moving plate 2, the installation assembly 4 is provided with a spoke 5, the spoke 5 is detachably installed on the moving plate 2 by the installation assembly 4, a vibrator 6 is pasted on the spoke 5 by glue, the vibrator 6 is fixedly connected with a six-axis angular displacement sensor 7 inside, a single-chip microcomputer 8 is fixedly connected on the bottom plate 1, the single-chip microcomputer 8 adopts an esp32 single-chip microcomputer; a transmission assembly 9 installed on the top of the bottom plate 1.

[0025] It should be noted that: the transmission assembly 9 drives the moving plate 2 to move reciprocatingly on the bottom plate 1, the moving plate 2 drives the spoke 5 and the vibrator 6 to vibrate, the vibrator 6 drives the six-axis angular displacement sensor 7 inside to move, the deflection angle of the six-axis angular displacement sensor 7 is monitored by the single-chip microcomputer 8, and the deflection angle is converted into the current amplitude by calculation, wherein the vibrator 6 can be made of a table tennis ball and pasted on the spoke 5 by glue, the six-axis angular displacement sensor 7 and the single-chip microcomputer 8 are powered by an external power supply module.

[0026] The limiting assembly 3 includes two limiting strips 301 fixedly connected symmetrically on the bottom of the moving plate 2, the top of the bottom plate 1 is fixedly connected with a sliding rail 302, the limiting strips 301 on the bottom of the moving plate 2 move linearly inside the sliding rail 302 when the moving plate 2 moves, and the movement path of the moving plate 2 is limited.

[0027] The installation assembly 4 includes a fixed rod 401 fixedly connected on the top of the moving plate 2, the spoke 5 is inserted into the inside of the fixed rod 401, and a nut 402 is threadedly connected on the outside of the fixed rod 401; a slot is formed in the inside of the fixed rod 401 for the spoke 5 to be inserted, and the spoke 5 can be fixed in the fixed rod 401 by moving the nut 402 to the upper part of the fixed rod 401.

[0028] The transmission assembly 9 comprises a servo motor 901 fixedly connected to the top of the bottom plate 1, the output end of the servo motor 901 is fixedly connected with a connecting rod 902, the connecting rod 902 is rotationally connected with a push rod 903, the moving plate 2 is fixedly connected with a connecting seat 904, one end of the connecting rod 902 is rotationally connected with the connecting seat 904; the servo motor 901 is fixedly connected with a mounting seat 12, and the mounting seat 12 is fixedly connected to the bottom plate 1; one end of the connecting rod 902 is fixed to the output end of the servo motor 901, the other end is rotationally connected with one end of the push rod 903, the other end of the push rod 903 is rotationally connected in the connecting seat 904, the connecting rod 902 is driven to do circular motion by the servo motor 901, the push rod 903 is driven to reciprocate forward and backward by the connecting rod 902, so that the moving plate 2 moves forward and backward on the bottom plate 1, and the moving plate 2 drives the vibrator 6 on the top to vibrate.

[0029] The bottom of the bottom plate 1 is fixedly connected with a supporting rod 10, the bottom of the supporting rod 10 is fixedly connected with a support 11, the bottom of the bottom plate 1 is symmetrically welded with two supporting rods 10, the bottom of each supporting rod 10 is fixedly connected with two symmetrical supports 11 on both sides through bolts, and the stability of the bottom plate 1 during work can be improved by the supports 11 and the supporting rods 10.

[0030] The six-axis angular displacement sensor 7 and the single-chip microcomputer 8 are electrically connected through a cable.

[0031] Working principle: the spokes 5 are inserted into the fixed rods 401, then the spokes 5 are fixed in the fixed rods 401 by using the nuts 402, the vibrator 6 internally provided with the six-axis angular displacement sensor 7 is pasted between the two spokes 5, the vibrator 6 is provided with three groups from high to low, the connecting rod 902 is driven to do circular motion by the servo motor 901, the push rod 903 is driven to reciprocate forward and backward by the connecting rod 902, so that the moving plate 2 moves forward and backward on the bottom plate 1, and the moving plate 2 drives the vibrator 6 on the top to vibrate, the deflection angle of the six-axis angular displacement sensor 7 is monitored by the single-chip microcomputer 8, and the deflection angle is converted into the current amplitude by calculation.

[0032] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0033] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A resonance demonstration device, comprising a base plate (1), characterized in that, Also includes: A movable plate (2) is disposed on the top of the base plate (1), and a limiting component (3) for limiting the movable plate (2) is disposed between the base plate (1) and the movable plate (2). Mounting assembly (4) is set on the top of the movable plate (2). Spokes (5) are mounted on the mounting assembly (4). A vibrator (6) is glued to the spokes (5). A six-axis angular displacement sensor (7) is fixedly connected inside the vibrator (6). A microcontroller (8) is fixedly connected to the base plate (1). The transmission assembly (9) is mounted on top of the base plate (1).

2. The resonance demonstration device according to claim 1, characterized in that: The limiting component (3) includes two limiting strips (301) symmetrically fixedly connected to the bottom of the moving plate (2), and a slide rail (302) is fixedly connected to the top of the base plate (1).

3. The resonance demonstration device according to claim 1, characterized in that: The mounting assembly (4) includes a fixing rod (401) fixedly connected to the top of the movable plate (2), the spokes (5) being inserted into the inside of the fixing rod (401), and a nut (402) being threaded onto the outside of the fixing rod (401).

4. A resonance demonstration device according to claim 1, characterized in that: The transmission assembly (9) includes a servo motor (901) fixedly connected to the top of the base plate (1). A connecting rod (902) is fixedly connected to the output end of the servo motor (901). A push rod (903) is rotatably connected to the connecting rod (902). A connecting seat (904) is fixedly connected to the moving plate (2). One end of the connecting rod (902) is rotatably connected to the connecting seat (904).

5. A resonance demonstration device according to claim 1, characterized in that: The bottom of the base plate (1) is fixedly connected to a support rod (10), and the bottom of the support rod (10) is fixedly connected to a support (11).

6. A resonance demonstrator according to claim 4, characterized in that: The servo motor (901) is fixedly connected to a mounting base (12), which is fixedly connected to the base plate (1).

7. A resonance demonstration device according to claim 1, characterized in that: The six-axis angular displacement sensor (7) and the microcontroller (8) are electrically connected by a cable.

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