CN214226259U - Visual demonstration device capable of acquiring overweight and weightlessness physical quantities - Google Patents
Visual demonstration device capable of acquiring overweight and weightlessness physical quantities Download PDFInfo
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- CN214226259U CN214226259U CN202120227399.2U CN202120227399U CN214226259U CN 214226259 U CN214226259 U CN 214226259U CN 202120227399 U CN202120227399 U CN 202120227399U CN 214226259 U CN214226259 U CN 214226259U
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- overweight
- weightlessness
- bluetooth module
- mcu controller
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- 230000000007 visual effect Effects 0.000 title claims abstract description 11
- 230000001133 acceleration Effects 0.000 claims abstract description 19
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005293 physical law Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model provides a visual demonstration device capable of collecting overweight and weightlessness physical quantities, which comprises a Bluetooth module, an acceleration sensor, a gravity sensor and an MCU controller; the intelligent mobile phone is characterized in that the acceleration sensor and the gravity sensor are respectively electrically connected with the input end of the MCU controller, the MCU controller is also electrically connected with the 9V direct-current power supply, the output end of the MCU controller is in communication connection with the intelligent mobile phone through the Bluetooth module, and an overweight and weightlessness plotter is arranged in the intelligent mobile phone and used for parameter debugging, control and display. The utility model discloses the physical quantity that relates to with overweight and weightlessness in-process shows with the mode of image, data, curve, has improved student's comprehension ability and interest.
Description
Technical Field
The utility model relates to a technical field of physical teaching, concretely relates to visual presentation device of overweight and weightless physical quantity can gather.
Background
The 'overweight and weightlessness' is positioned in the sixth section of the fourth chapter of the first book of the general high school physics textbook (human teaching edition), the textbook adopts an upper and lower squatting model to introduce the basic concepts of overweight and weightlessness, students successively go through three stages of acceleration, deceleration and rest in the process of squatting on a scale, the readings of the scale change, and the phenomena of overweight and weightlessness are analyzed through the change of the readings, so that the basic concepts of overweight and weightlessness are introduced.
In the experiment, a human body is considered as a research object, but the structure of the human body is changed in the process of squatting up and down, the position of mass points in the human body is not fixed, students are difficult to understand by using the thought of the mass points, the physical laws of overweight and weightlessness phenomena cannot be revealed strictly, the movement process is fast, the process of increasing or decreasing the weight counting number is short, the students are difficult to see the specific change of the weight counting number, and the experiment model has the problems of unclear effect and non-visual data. The elevator model is used in teaching, a student can easily imagine an overweight and weightlessness process by taking a human body as a mass point, although the elevator is common in life, the elevator cannot be really brought into a classroom, the student cannot directly observe the elevator, the experience and participation are low, and the learning interest of the student cannot be well stimulated.
To this characteristics that combine two models, following teaching aid has been designed, regard a heavy object as a particle, place the heavy object or hang on the device, the people lifts the device and squats from top to bottom together, this teaching aid can utilize pressure sensor and acceleration sensor data collection, carry out analysis processes to data based on ARDUINO, data transmission with preliminary treatment through bluetooth communication is to the cell-phone end, preliminary data can be by the cell-phone software secondary processing of self-control, information such as pressure (holding power) or pulling force will be through the image, the curve, the mode of data shows, the adoption is thrown the screen mode and is thrown the cell-phone image and deliver to the computer end show for the student. The display modes are various, the effect is visual and clear, the data is clear and visible, the study object is converted into a heavy object above the teaching aid, students can easily understand and imagine the heavy object, the method has an active promoting effect on understanding the Newton's second law and solving the practical problems, and the teacher can also well develop courses.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a visual demonstration device capable of collecting overweight and weightlessness physical quantities, which is used for solving the technical problem provided in the background technology.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a visual demonstration device capable of collecting overweight and weightlessness physical quantities comprises a Bluetooth module, an acceleration sensor, a gravity sensor and an MCU (microprogrammed control unit) controller; the intelligent mobile phone is characterized in that the acceleration sensor and the gravity sensor are respectively and electrically connected with the input end of the MCU controller, the MCU controller is also electrically connected with a 9V direct-current power supply, the output end of the MCU controller is in communication connection with the intelligent mobile phone through a Bluetooth module, an overweight and weightlessness plotter is arranged in the intelligent mobile phone and used for parameter debugging, control and display, the intelligent mobile phone also comprises a circular weighing platform arranged on the front surface of the shell, and a 9V battery, a switch and a Bluetooth module are also arranged on the shell; the bottom of shell is equipped with the couple, and the bottom four corners of shell still is equipped with the gasket.
Preferably, after the smart phone is in communication connection with the bluetooth module, the picture on the mobile phone software is transmitted to the computer terminal in a screen projection mode of the screen projector.
Preferably, the acceleration sensor is an MPU6050, the pressure sensor is an HX711AD module, and the measuring range is 5 kg.
Preferably, the Bluetooth module is HC-06.
Preferably, a connection Bluetooth indicator, a particle stress simulator and a track drawing board are arranged in the overweight and weightlessness drawing device.
Compared with the prior art, the beneficial effects of the utility model are that:
the overweight and weightlessness teaching aid is easy to understand, strong in interactivity and intuitive in data, is designed and manufactured on the basis of a human body squatting model and an elevator model, integrates the structures of the human body squatting model and the particle thinking of the elevator model, is provided with a pressure sensor and an acceleration sensor, displays physical quantities involved in the overweight and weightlessness processes in the modes of images, data and curves, improves the comprehension ability and interest of students, helps the students to expand thinking, can be perfectly and effectively integrated into the overweight and weightlessness teaching process, and has a promoting effect on the teaching process.
The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic diagram of the internal circuit structure of the present invention;
fig. 2 is an interface diagram of the overweight and weightlessness plotter of the present invention.
Fig. 3 is a schematic diagram of the external structure of the present invention.
Wherein, 1, disc weighing platform; 2. a housing; 3. hooking; 4. a 9V battery; 5. a switch; 6. bluetooth module, 7, gasket.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, and on the contrary, these embodiments are provided so as to make the disclosure of the present invention more thorough and comprehensive.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
A visual demonstration device capable of collecting overweight and weightlessness physical quantities comprises a Bluetooth module, an acceleration sensor, a gravity sensor and an MCU (microprogrammed control unit) controller; the intelligent mobile phone is characterized in that the acceleration sensor and the gravity sensor are respectively and electrically connected with the input end of the MCU controller, the MCU controller is also electrically connected with a 9V direct-current power supply, the output end of the MCU controller is in communication connection with the intelligent mobile phone through a Bluetooth module, an overweight and weightlessness plotter is arranged in the intelligent mobile phone and used for parameter debugging, control and display, the intelligent mobile phone also comprises a circular weighing platform 1 arranged on the front surface of a shell (2), and a 9V battery 4, a switch 5 and a Bluetooth module 6 are further arranged on the shell 2; the bottom of shell 2 is equipped with couple 3, and the bottom four corners of shell 2 still is equipped with base 7.
After the smart phone is in communication connection with the Bluetooth module 6, the picture on the mobile phone software is transmitted to the computer end in a screen projection mode of the screen projector.
The acceleration sensor is an MPU6050, the pressure sensor is an HX711AD module, and the measuring range is 5 kg.
The Bluetooth module 6 is HC-06.
Be equipped with in the overweight weightlessness plotter and connect bluetooth instruction, particle atress simulator and orbit drawing board.
The working principle of the utility model is as follows:
the principle structure diagram of the device is shown in figure 1, a 9V battery 4 is used for supplying power to the whole internal circuit, an mpu6050 acceleration sensor in the device is used for collecting acceleration information in the vertical direction and transmitting the acceleration information to an Arduinouino development board, a 5kg weighing pressure sensor is connected with a disc weighing platform 1 and a hook 3, the upper part of the device is shown in figure 3,
the pressure sensor can be slightly compressed by placing a heavy object on the disc 1, the pressure of the heavy object on the disc and the supporting force of the disc weighing platform 1 on the heavy object are interaction forces with equal magnitude and opposite directions,
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.
Claims (2)
1. A visual demonstration device capable of collecting overweight and weightlessness physical quantities is characterized by comprising a Bluetooth module, an acceleration sensor, a gravity sensor and an MCU (microprogrammed control unit) controller; the acceleration sensor and the gravity sensor are respectively and electrically connected with the input end of the MCU controller, the MCU controller is also electrically connected with a 9V direct-current power supply, the output end of the MCU controller is in communication connection with the smart phone through a Bluetooth module, the front surface of the shell (2) is provided with a circular weighing platform (1), and the shell (2) is also provided with a 9V battery (4), a switch (5) and a Bluetooth module (6); the bottom of the shell (2) is provided with a hook (3), and four corners of the bottom of the shell (2) are also provided with gaskets (7); the smart phone is communicated with a computer or a projector through a Bluetooth module (6) to display and project; the acceleration sensor is an MPU6050, the gravity sensor is an HX711AD module, and the measuring range is 5 kg; the Bluetooth module (6) is HC-06.
2. The visual demonstration device capable of acquiring the physical quantities of overweight and weightlessness according to claim 1, wherein an overweight and weightlessness plotter is arranged in the smart phone and used for parameter debugging control display, and a connection Bluetooth indicator, a particle stress simulator and a track drawing board are arranged in the overweight and weightlessness plotter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120227399.2U CN214226259U (en) | 2021-01-27 | 2021-01-27 | Visual demonstration device capable of acquiring overweight and weightlessness physical quantities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120227399.2U CN214226259U (en) | 2021-01-27 | 2021-01-27 | Visual demonstration device capable of acquiring overweight and weightlessness physical quantities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214226259U true CN214226259U (en) | 2021-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120227399.2U Expired - Fee Related CN214226259U (en) | 2021-01-27 | 2021-01-27 | Visual demonstration device capable of acquiring overweight and weightlessness physical quantities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214226259U (en) |
-
2021
- 2021-01-27 CN CN202120227399.2U patent/CN214226259U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |