CN207517228U - A kind of rotating vector demonstration instrument of simple harmonic oscillation - Google Patents
A kind of rotating vector demonstration instrument of simple harmonic oscillation Download PDFInfo
- Publication number
- CN207517228U CN207517228U CN201721209688.XU CN201721209688U CN207517228U CN 207517228 U CN207517228 U CN 207517228U CN 201721209688 U CN201721209688 U CN 201721209688U CN 207517228 U CN207517228 U CN 207517228U
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- fixed
- motor
- ball
- simple harmonic
- harmonic oscillation
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Abstract
The utility model discloses a kind of rotating vector demonstration instrument of simple harmonic oscillation, including bottom plate, it is characterized in that：Column, electromagnet, motor push button, electromagnet button, riser and support column are fixed on the bottom plate, one end of transverse slat is fixed on the column, the other end of the transverse slat is fixed with one end of spring, the other end of the spring is fixed with ball one, the riser side is fixed with motor by link, disk is fixed on the output shaft of the motor, horizontal axis is fixed on the disk, ball two is fixed at the endpoint of the horizontal axis, flashlight is fixed on the support column, the position that the bottom plate side corresponds to the flashlight light is provided with screen.
Description
Technical field
The utility model is related to field of medical device, in particular, being related to a kind of rotating vector demonstration instrument of simple harmonic oscillation.
Background technology
Simple harmonic oscillation is to learn the basis that oscillation and wave moves theory, and the demonstration of present simple harmonic oscillation figure line passes through single pendulum more
Vibration with spring oscillator is demonstrated, and effect is intuitive simple but single, can also be annotated in the prior art with rotating vector law
Simple harmonic oscillation figure line is released, with the weight such as amplitude, period, phase in the fundamental vibration equation of more fully check analysis simple harmonic oscillation
Parameter is wanted, but discovery is not readily understood with the relatively abstract student of rotating vector law annotation simple harmonic oscillation figure line in teaching for many years,
It is a difficult point of teaching, rotating vector law is shown simply by image method, and rotation can be visually demonstrated without one kind
The device of vector method, this is in place of the deficiencies in the prior art.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of rotating vector demonstration instruments of simple harmonic oscillation, facilitate progress
The experimental demonstration of simple harmonic oscillation.
The utility model adopts the following technical solution realizes goal of the invention：
A kind of rotating vector demonstration instrument of simple harmonic oscillation, including bottom plate (6), it is characterized in that：It is fixed on the bottom plate (6)
Column (13), electromagnet (10), motor control assembly (14), electromagnet button (10a), riser (9a) and support column (9), it is described
One end of transverse slat (2) is fixed on column (13), the other end of the transverse slat (2) is fixed with one end of spring (12), the bullet
The other end of spring (12) is fixed with ball one (11), and riser (9a) side is fixed with motor (4), the electricity by link
It is fixed on the output shaft of machine (4) on disk (3) disk (3) and is fixed with horizontal axis (4a), at the endpoint of the horizontal axis (4a)
Ball two (5) is fixed with, flashlight (8) is fixed on the support column (9), bottom plate (6) side corresponds to the flashlight
(8) position of light is provided with screen (1).
As the further restriction to the technical program, the ball one (11) is identical with the structure of ball two (5).
As the further restriction to the technical program, the motor control assembly (14) includes controller, the control
Device connects the motor (4) by motor drive ic, and the controller is also connected with motor push button (7) and input keyboard.
As the further restriction to the technical program, the electromagnet button (10a) and the electromagnet (10) and electricity
Source is electrically connected.
As the further restriction to the technical program, the controller uses STC89C52 single chip, and the motor drives
Dynamic chip uses motor drive ic L298N.
Compared with prior art, the advantages of the utility model and good effect is：When demonstrating simple harmonic oscillation, in known bullet
Under the premise of the stiffness factor k of spring and the quality of ball two, pass through formulaThe angular speed of motor is calculated, then
Control system is opened, the angular speed numerical value calculated, display screen display input character and controller are inputted on by keyboard
Motor drive ic L298N driving motors are controlled after receiving input signal, then press motor push button, motor is opened, motor
Ball two on control disk is in least significant end, closes motor, presses lower electromagnet button, and electromagnet is powered, and attracts on spring
Ball one makes ball two of the ball one on the ball one and disk in least significant end, spring in the position of least significant end in same height
Degree, i.e., ball one is identical with the initial position of ball two, opens flashlight, then reopens motor push button, closes electromagnet
Button, electromagnet power off, and the ball one on spring is vibrated since being under the action of spring power peak swing, meanwhile,
Motor rotates, the angular speed of motor rotationWherein k is the stiffness factor of spring, and m is the quality of ball two, in flashlight
Under the irradiation of the illumination of cylinder, it can show that the vibration of ball one in the projection and spring of the ball two of rotation projects on screen, two
The motion conditions of a ball are completely the same, illustrate to rotate ball one on the projection and the spring that rotate in the vertical direction of ball two
Simple harmonic oscillation it is identical.The utility model structure novel, easy to operate, it is rotation arrow that can intuitively demonstrate simple harmonic oscillation
Projection this principle of amount in one direction.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is the vertical view of the utility model.
In figure：1st, screen, 2, transverse slat, 3, disk, 4, motor, 4a, horizontal axis, 5, ball two, 6, bottom plate, 7, motor push button,
8th, flashlight, 9, support column, 9a, riser, 10, electromagnet, 10a, electromagnet button, 11, ball one, 12, spring, 13, column,
14th, motor control assembly.
Specific embodiment
Below in conjunction with the accompanying drawings, a specific embodiment of the utility model is described in detail, it is to be understood that this
The protection domain of utility model is not restricted by specific implementation.
As shown in Figure 1-Figure 3, the utility model includes bottom plate 6, and column 13, electromagnet 10, electricity are fixed on the bottom plate 6
Machine control device 14, electromagnet button 10a, riser 9a and support column 9 are fixed with one end of transverse slat 2 on the column 13, described
The other end of transverse slat 2 is fixed with one end of spring 12, and the other end of the spring 12 is fixed with ball 1, the riser 9a mono-
Side is fixed with motor 4 by link, is fixed on the output shaft of the motor 4 described in disk 3 and is fixed with horizontal axis on disk 3
4a is fixed with ball 25 at the endpoint of the horizontal axis 4a, flashlight 8,6 side pair of bottom plate is fixed on the support column 9
The position of 8 light of flashlight is answered to be provided with screen 1.
The ball 1 is identical with the structure of ball 25.
The motor control assembly 14 includes controller, and the controller connects the motor 4 by motor drive ic,
The controller is also connected with motor push button 7 and input keyboard.
The electromagnet button 10a is electrically connected with the electromagnet 10 and power supply.
The controller uses STC89C52 single chip, and the motor drive ic uses motor drive ic L298N.
The workflow of the utility model is：When demonstrating simple harmonic oscillation, in the stiffness factor k and ball of known spring 12
Under the premise of 25 quality m, pass through formulaThe angular speed of motor 4 is calculated, then by inputting input through keyboard
The angular speed of motor 4 is to controller, and controller receives control motor drive ic L298N driving motors 4 after input signal, so
After press motor push button 7, motor 4 starts running, and when motor 4 controls the ball 25 on disk 3 be in least significant end, closes electric
Machine 4 presses lower electromagnet button 10a, and electromagnet 10 is powered, and attracts the ball 1 on spring 12, makes ball 1 in least significant end,
The ball 25 on ball 1 and disk 3 on spring 12 is in the position of least significant end in sustained height, i.e. ball 1 and ball
25 initial position is identical, opens flashlight 8, then reopens motor push button 7, closes electromagnet button 10a, electromagnet
10 power off, and the ball 1 on spring 12 is vibrated since being under the action of 12 elastic force of spring peak swing, meanwhile, motor
4 rotations, the angular speed that motor 4 rotatesWherein k is the stiffness factor of spring 12, and m is the quality of ball 25, in hand
Under the irradiation of the illumination of torch 8, shaking for ball 1 on the projection of the ball 25 of rotation and spring 12 can be shown on screen 1
Dynamic projection, the motion conditions of two balls are completely the same, illustrate to rotate the projection and the bullet that rotate in the vertical direction of ball 25
The simple harmonic oscillation of ball 1 is identical on spring 12.
Disclosed above is only a specific embodiment of the utility model, and still, the utility model is not limited to this,
The changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (5)
1. a kind of rotating vector demonstration instrument of simple harmonic oscillation, including bottom plate (6), it is characterized in that：It is fixed on the bottom plate (6) vertical
Column (13), electromagnet (10), motor control assembly (14), electromagnet button (10a), riser (9a) and support column (9), it is described vertical
One end of transverse slat (2) is fixed on column (13), the other end of the transverse slat (2) is fixed with one end of spring (12), the spring
(12) the other end is fixed with ball one (11), and riser (9a) side is fixed with motor (4), the motor by link
(4) it is fixed on output shaft on disk (3) disk (3) and is fixed with horizontal axis (4a), consolidated at the endpoint of the horizontal axis (4a)
Surely there is ball two (5), flashlight (8) is fixed on the support column (9), bottom plate (6) side corresponds to the flashlight (8)
The position of light is provided with screen (1).
2. the rotating vector demonstration instrument of simple harmonic oscillation according to claim 1, it is characterized in that：The ball one (11) and circle
The structure of ball two (5) is identical.
3. the rotating vector demonstration instrument of simple harmonic oscillation according to claim 1, it is characterized in that：The motor control assembly
(14) including controller, the controller connects the motor (4) by motor drive ic, and the controller is also connected with motor
Button (7) and input keyboard.
4. the rotating vector demonstration instrument of simple harmonic oscillation according to claim 1, it is characterized in that：The electromagnet button
(10a) is electrically connected with the electromagnet (10) and power supply.
5. the rotating vector demonstration instrument of simple harmonic oscillation according to claim 3, it is characterized in that：The controller uses
STC89C52 single chip, the motor drive ic use motor drive ic L298N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721209688.XU CN207517228U (en) | 2017-09-21 | 2017-09-21 | A kind of rotating vector demonstration instrument of simple harmonic oscillation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721209688.XU CN207517228U (en) | 2017-09-21 | 2017-09-21 | A kind of rotating vector demonstration instrument of simple harmonic oscillation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207517228U true CN207517228U (en) | 2018-06-19 |
Family
ID=62533390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721209688.XU Expired - Fee Related CN207517228U (en) | 2017-09-21 | 2017-09-21 | A kind of rotating vector demonstration instrument of simple harmonic oscillation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207517228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107657873A (en) * | 2017-09-21 | 2018-02-02 | 济南大学 | A kind of rotating vector demonstration instrument of simple harmonic oscillation |
-
2017
- 2017-09-21 CN CN201721209688.XU patent/CN207517228U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107657873A (en) * | 2017-09-21 | 2018-02-02 | 济南大学 | A kind of rotating vector demonstration instrument of simple harmonic oscillation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20190921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |