Multifunctional demonstration instrument

Abstract

The multifunctional demonstration instrument comprises a bottom plate, a supporting plate, an ultrasonic ranging module, an optical path reversible module and a control module. The supporting plate is arranged on the bottom plate; the ultrasonic ranging module comprises an ultrasonic sensor and an indicator light module, and the ultrasonic sensor and the indicator light module are both arranged on the supporting plate; the light path reversible module comprises two light path modules, a first laser pen and a second laser pen; the light path module comprises a lifting device, a lifting steering engine and a rotating steering engine; the lifting steering engine is connected with the lifting device, and the lifting device is connected with the rotary steering engine; the rotary steering engine of one light path module is connected with a first laser pen, and the rotary steering engine of the other light path module is connected with a second laser pen; a reflecting plate is arranged between the two light path modules; the lifting steering engine is arranged on the supporting plate; the control module is connected with the ultrasonic sensor, the indicator lamp module, the first laser pen, the second laser pen, the lifting steering engine and the rotating steering engine.

Description

TECHNICAL FIELD

[0001] The utility model relates to demonstration device technical field, concretely is a multifunctional demonstration instrument. BACKGROUND

[0002] The reflection law of light is the knowledge learned in middle school physics. In the daily teaching process, the teacher does not have a teaching aid to demonstrate this function, and can only explain the above knowledge from the theoretical level, which leads to the fact that students cannot clearly understand and practice this knowledge. Therefore, a demonstration device is needed to demonstrate some commonly used physical knowledge. UTILITY MODEL CONTENT

[0003] To solve the above problems, the utility model aims at providing a multifunctional demonstration instrument, which realizes the demonstration of light path reversibility, gravity inclination and ultrasonic distance measurement through the light path reversible module, the gravity direction and inclination measurement module and the ultrasonic distance measurement module, so as to make students better understand the knowledge by combining theory with practice when explaining the above knowledge.

[0004] The utility model discloses a multifunctional demonstration instrument, which comprises a bottom plate, a supporting plate, an ultrasonic distance measurement module, a light path reversible module and a control module.

[0005] The ultrasonic distance measurement module comprises an ultrasonic sensor and an indicator lamp module, and the ultrasonic sensor and the indicator lamp module are arranged on the supporting plate.

[0006] The light path reversible module comprises two light path modules, a first laser pen and a second laser pen; the light path module comprises a lifting device, a lifting servo motor and a rotating servo motor; the lifting servo motor is connected with the lifting device, and the lifting device is connected with the rotating servo motor; the rotating servo motor of one of the light path modules is connected with the first laser pen, and the rotating servo motor of the other light path module is connected with the second laser pen; a reflecting plate is arranged between the two light path modules; and the lifting servo motor is arranged on the supporting plate.

[0007] The control module is connected with the ultrasonic sensor, the indicator lamp module, the first laser pen, the second laser pen, the lifting servo motor and the rotating servo motor respectively.

[0008] Further, the gravity direction and inclination measurement module comprises a gyroscope sensor, a gravity servo motor, an angle servo motor and a pointer; the pointer is arranged on the angle servo motor and the gravity servo motor respectively; the gyroscope sensor is arranged on the bottom plate, and the gravity servo motor and the angle servo motor are arranged on the supporting plate; and the control module is connected with the gyroscope sensor, the gravity servo motor and the angle servo motor respectively.

[0009] Further, the gravity direction and inclination measuring module further comprises a first display screen, and the ultrasonic distance measuring module further comprises a second display screen; the first display screen and the second display screen are connected with the control module respectively; the indicator light module comprises a green indicator light, a yellow indicator light and a red indicator light.

[0010] Further, a 180° protractor is arranged between the two light path modules, and the reflecting plate is located in the middle of the 180° protractor; a 90° protractor is further arranged on the supporting plate, and the 90° protractor is located on one side of the angle steering engine.

[0011] Further, the left-right potentiometer for controlling the rotating steering engine and the up-down potentiometer for controlling the elevating steering engine are further included; the left-right potentiometer and the up-down potentiometer are connected with the control module.

[0012] Further, the control module comprises a first development board, a second development board and a third development board; the first development board is connected with the first display screen, the gyroscope sensor, the gravity steering engine and the angle steering engine; the second development board is connected with the indicator light module, the ultrasonic sensor, the first laser pen, the up-down potentiometer, the second display screen and the elevating steering engine; and the third development board is connected with the rotating steering engine, the left-right potentiometer and the second laser pen.

[0013] Further, a power supply is further included, and the power supply is a battery connected with the control module.

[0014] Further, a protective cover is further included, and the protective cover is used for covering the supporting plate.

[0015] Further, the control module is arranged on the bottom plate through a clamping seat.

[0016] Further, a plurality of labels are arranged on the supporting plate, and the labels correspond to the indicator light module, the gravity steering engine, the angle steering engine, the ultrasonic sensor, the first display screen and the second display screen.

[0017] The utility model discloses a light path reversible module, a gravity direction and inclination measuring module, an ultrasonic distance measuring module and an indicator light module are arranged on the supporting plate.

[0018] The utility model discloses can be used for demonstrating the related knowledge such as optics, mechanics of junior high school physics. The light path reversible module that the utility model discloses sets up controls two laser rotating angles and the height of elevating steering engine through rotating up-down potentiometer and left-right potentiometer, realizes the inquiry of the reflection law of light, proves the effect that light path is reversible. The gravity direction and inclination measuring module that the utility model discloses sets up, and the pointer of gravity steering engine is always downward based on the gyroscope sensor, and angle steering engine indicates the inclination angle, and angle is shown on the display screen. The ultrasonic distance measuring module that the utility model discloses sets up, and makes different color indicator light bright through the different distance between baffle and ultrasonic sensor, realizes the inquiry of ultrasonic distance measurement. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings described in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor, so the present application is not limited to the specific embodiments disclosed below.

[0020] Figure 1 It is a front view of the present application.

[0021] Figure 2 It is a schematic view of another angle of the present application.

[0022] Figure 3 It is a circuit of the present application Figure 1 ;

[0023] Figure 4 It is a circuit of the present application Figure 2 ;

[0024] Figure 5 It is a circuit of the present application Figure 3 ;

[0025] Figure 6 It is a control principle diagram of the present application.

[0026] Explanation of reference signs

[0027] 1, support plate, 2, bottom plate, 3, gravity rudder, 4, angle rudder, 5, 90° protractor, 6, first display screen, 7, lifting device, 8, first laser pen, 9, second laser pen, 10, reflecting plate, 11, lifting rudder, 12, rotating rudder, 13, 180° protractor, 14, up-down potentiometer, 15, left-right potentiometer, 16, ultrasonic sensor, 17, second display screen, 18, green indicator light, 19, yellow indicator light, 20, red indicator light, 21, label, 22, first development board, 23, second development board, 24, third development board, 25, gyroscope sensor. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely. In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without creative labor, so the present application is not limited to the specific embodiments disclosed below.

[0029] The utility model discloses a multifunctional demonstration instrument, through light path reversible module, gravity direction and inclination measurement module and ultrasonic ranging module to realize the demonstration of light path reversible, gravity inclination, ultrasonic ranging, be convenient for when explaining the knowledge, theory combines practice, make the student can better understanding.

[0030] The utility model discloses a multifunctional demonstration instrument, including bottom plate 2, support plate 1, ultrasonic ranging module, gravity direction and inclination measurement module, light path reversible module and control module, support plate 1 sets up on bottom plate 2. Figure 1 、 Figure 2 Control module includes first development board 22, second development board 23, third development board 24, and preferably, first development board 22, second development board 23, third development board 24 are all EPS32 development boards. Control module is set on bottom plate 2 through the clamping seat, as shown in 、

[0031] Gravity direction and inclination measurement module includes gyroscope sensor 25, gravity rudder 3, angle rudder 4, 90 degree protractor 5, first display screen 6. 90 degree protractor 5, gravity rudder 3, angle rudder 4 all are set up on support plate 1, and gyroscope sensor 25, first development board 22 are set up on bottom plate 2. Gravity rudder 3, angle rudder 4 all are provided with a pointer. Angle rudder 4 is set up on one side of 90 degree protractor 5, when the pointer is driven to deviate by angle rudder 4, the angle of deviation can be obtained by observing 90 degree protractor 5. Preferably, the pointer on angle rudder 4 can be a laser pen, as shown in Figure 1 、

[0032] The model number of gyroscope sensor 25 is MPU6050. The model number of first display screen 6 is SSD1306. The model number of gravity rudder 3 is MG90S. The model number of angle rudder 4 is MG996R. First display screen 6, gyroscope sensor 25, gravity rudder 3, angle rudder 4 are all connected with first development board 22 through wires.

[0033] Specific connection relationship is that the pin 2 of first development board 22 is connected with gravity rudder 3, and the pin 4 of first development board 22 is connected with angle rudder 4. The other two ends of gravity rudder 3 and angle rudder 4 are connected with the pin VCC and the pin GEN of first development board 22 respectively. The pin 22 of first development board 22 is connected with the pin SDA of gyroscope sensor 25, and the pin 21 of first development board 22 is connected with the pin SCL of gyroscope sensor 25. The pin SDA of gyroscope sensor 25 is connected with the pin SDA of first display screen 6, and the pin SCL of gyroscope sensor 25 is connected with the pin SCL of first display screen 6, as shown inFigure 3 As shown.

[0034] When the tilt device is tilted, the MPU6050 internal micro motor offset generates a voltage difference, and the angle of the tilt is displayed on the first display screen 6, as shown. Figure 6 The first development board 22 controls the angle servo 4 to drive the pointer to rotate to the corresponding angle. The pointer of the gravity servo 3 is always downward under the control of the first development board 22, as shown. Figure 3

[0035] The ultrasonic ranging module includes an ultrasonic sensor 16, an indicator light module, and a second display screen 17. In this embodiment, the indicator light module includes a green indicator light 18, a yellow indicator light 19, and a red indicator light 20. The ultrasonic sensor 16, the indicator light module, and the second display screen 17 are all arranged on the support plate 1. The model of the ultrasonic sensor 16 is HCSR04. The model of the second display screen 17 is SSD1306. The ultrasonic sensor 16 and the second display screen 17 are respectively connected to the second development board 23 through wires. One side of each of the green indicator light 18, the yellow indicator light 19, and the red indicator light 20 is provided with a label 21. Specifically, the green indicator light 18, the yellow indicator light 19, and the red indicator light 20 are respectively connected to the second development board 23 through a triode, as shown. Figure 4 The ultrasonic ranging module further includes a buzzer, which is connected to the second development board 23 through a triode. The handheld baffle can demonstrate the distance of the ultrasonic sensor 16. Different distances make different indicator lights bright, and the second display screen 17 displays the distance between the ultrasonic sensor 16 and the baffle. For example, when the distance is more than 20 cm, the green indicator light 18 is bright; when the distance is 15-20 cm, the yellow indicator light 19 is bright; when the distance is 5-15 cm, the red indicator light 20 is bright; and when the distance is less than 5 cm, the red indicator light 20 flashes.

[0036] Specifically, the green indicator light 18, the yellow indicator light 19, and the red indicator light 20 are respectively connected to triodes, the first ends of the three triodes are all connected to a power supply, and the second ends are all connected to the ground; the third ends of the triodes are respectively connected to the pins 25, 26, and 27 of the second development board 23. The pins 21 and 22 of the second development board 23 are respectively connected to the pins SDA and SCL of the second display screen 17. The pins Trig and Echo of the ultrasonic sensor 16 are respectively connected to the pins 13 and 12 of the second development board 23. The third end of the triode corresponding to the buzzer is connected to the pin 17 of the second development board 23.

[0037] ​The light path reversible module comprises two light path modules, a 180-degree protractor 13, an up-down potentiometer 14, a left-right potentiometer 15, a reflecting plate 10, a first laser pen 8 and a second laser pen 9. The light path module comprises a lifting device 7, a lifting steering engine 11 and a rotating steering engine 12. The up-down potentiometer 14, the left-right potentiometer 15, the lifting steering engine 11 and the reflecting plate 10 are arranged on the support plate 1. One end of the lifting steering engine 11 is connected with the lifting device 7, and the other end of the lifting device 7 is provided with the rotating steering engine 12. One of the rotating steering engines 12 is provided with the first laser pen 8, and the other rotating steering engine 12 is provided with the second laser pen 9. The lifting steering engine 11 controls the lifting of the lifting device 7, and the rotating steering engine 12 can drive the first laser pen 8 and the second laser pen 9 to rotate. In the embodiment, the lifting device 7 is a scissor-type lifting device, which can be used at present. The 180-degree protractor 13 is located between the two light path modules. The reflecting plate 10 is located in the middle of the 180-degree protractor 13. In order to facilitate display and distinction, the first laser pen 8 is a red laser pen, and the second laser pen 9 is a green laser pen.

[0038] In the embodiment, the second laser pen 9, the left-right potentiometer 15 and the rotating steering engine 12 are connected with the third development board 24. The model of the rotating steering engine 12 is MG90S. The rotating left-right potentiometer 15 can drive the rotating steering engine 12 to rotate, so as to control the rotation of the first laser pen 8 and the second laser pen 9.

[0039] The first laser pen 8, the up-down potentiometer 14 and the lifting steering engine 11 are connected with the second development board. The model of the lifting steering engine is MG90S. The rotating up-down potentiometer 14 can drive the two lifting steering engines 11, so as to control the lifting of the lifting device 7.

[0040] Specifically, one end of each of the two rotating steering engines 12 is connected with the pin 2 and the pin 4 of the third development board 24, and the other end is connected with the pin VCC and the pin GEN. The three pins of the left-right potentiometer 15 are connected with the VCC, the GEN and the pin A0 of the third development board 24, as shown in FIG. 5. Figure 5

[0041] One end of each of the two lifting steering engines 11 is connected with the pin 2 and the pin 4 of the second development board 23, and the other end is connected with the pin VCC and the pin GEN. The three pins of the up-down potentiometer 14 are connected with the VCC, the GEN and the pin A0 of the second development board 23.

[0042] In the embodiment, the control module is connected with a power supply, which is a battery. In order to facilitate distinction, a label 21 is arranged on one side of the indicating lamp module, the gravity steering engine 3, the angle steering engine 4, the ultrasonic sensor 16, the first display screen 6 and the second display screen 17.

[0043] ​Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

Claims

1. A multi-function demonstrator, characterized by, It comprises a bottom plate, a support plate, an ultrasonic ranging module, a light path reversible module and a control module; the support plate is arranged on the bottom plate; The ultrasonic ranging module comprises an ultrasonic sensor and an indicator light module, and both are arranged on the support plate; The light path reversible module comprises two light path modules, a first laser pen and a second laser pen; the light path module comprises a lifting device, a lifting servo motor and a rotating servo motor; the lifting servo motor is connected with the lifting device, and the lifting device is connected with the rotating servo motor; The rotating servo motor of one light path module is connected with the first laser pen, and the rotating servo motor of the other light path module is connected with the second laser pen; a reflecting plate is arranged between the two light path modules; the lifting servo motor is arranged on the support plate; The control module is connected with the ultrasonic sensor, the indicator light module, the first laser pen, the second laser pen, the lifting servo motor and the rotating servo motor respectively.

2. A multi-function presentation device as claimed in claim 1, characterized in that It also comprises a gravity direction and inclination measuring module; the gravity direction and inclination measuring module comprises a gyroscope sensor, a gravity servo motor, an angle servo motor and a pointer; the pointer is arranged on the angle servo motor and the gravity servo motor respectively; the gyroscope sensor is arranged on the bottom plate, and the gravity servo motor and the angle servo motor are arranged on the support plate; the control module is connected with the gyroscope sensor, the gravity servo motor and the angle servo motor respectively.

3. A multi-function presentation device as claimed in claim 2, characterized in that The gravity direction and inclination measuring module further comprises a first display screen, and the ultrasonic ranging module further comprises a second display screen; the first display screen and the second display screen are connected with the control module respectively; the indicator light module comprises a green indicator light, a yellow indicator light and a red indicator light.

4. A multi-function presentation device as claimed in claim 3, characterized in that A 180° protractor is arranged between the two light path modules, and the reflecting plate is located in the middle of the 180° protractor; a 90° protractor is further arranged on the support plate, and the 90° protractor is located on one side of the angle servo motor.

5. A multi-function presentation device as claimed in claim 3, characterized in that It also comprises left-right potentiometers for controlling the rotating servo motor and up-down potentiometers for controlling the lifting servo motor; the left-right potentiometers and the up-down potentiometers are connected with the control module.

6. A multi-function presentation device as claimed in claim 5, characterized in that The control module comprises a first development board, a second development board and a third development board; the first development board is connected with the first display screen, the gyroscope sensor, the gravity servo motor and the angle servo motor; the second development board is connected with the indicator light module, the ultrasonic sensor, the first laser pen, the up-down potentiometers, the second display screen and the lifting servo motor; the third development board is connected with the rotating servo motor, the left-right potentiometers and the second laser pen.

7. The multi-function presentation system of claim 1, wherein, It also comprises a power supply, which is a battery connected with the control module.

8. The multi-function presentation system of claim 1, wherein, It also comprises a protective cover for covering the support plate.

9. The multi-function presentation system of claim 1, wherein, The control module is arranged on the bottom plate through a card seat.

10. The multi-function presentation system of claim 3, wherein, A plurality of labels are arranged on the support plate, and the labels correspond to the indicator light module, the gravity servo motor, the angle servo motor, the ultrasonic sensor, the first display screen and the second display screen.

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