Teaching appliance with visual sound

Abstract

The utility model belongs to the technical field of teaching aids, and discloses a sound visualization teaching aid, which comprises a shell and a laser, the laser is connected with the shell, the shell is provided with a sound inlet, a transmission cavity and a sound transmission film, the sound inlet is communicated with the transmission cavity, and the sound transmission film and the sound inlet are respectively arranged on two sides of the shell in the length direction; wherein the side, facing the laser, of the sound transmission film is provided with a reflection lens, the laser is used for emitting light beams to the reflection lens, and the reflection lens is used for reflecting the light beams to a carrier; sound enters the transmission cavity through the sound inlet and acts on the sound transmission film, so that the sound transmission film vibrates, light beams emitted by the laser irradiate the reflection lens and then are reflected to the carrier, so that the reflected light beams form dynamic light spot changes on the carrier, and the device enables the sound transmission principle to be clearer and the sound transmission efficiency to be improved. Students can test different vibration effects through different sound sources, so that the understanding of sound characteristics is enhanced, the interactivity and interestingness of a classroom are improved, and the teaching quality and effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a teaching aid technical field, especially to a sound visualization teaching aid. BACKGROUND

[0002] At present, the demonstration sound in physics teaching is the problem that sound wave is produced by air vibration caused by object vibration and is transmitted into eardrum, students cannot see air vibration in the classroom, and the teaching effect is poor.

[0003] Therefore, a sound visualization teaching aid is provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a sound visualization teaching aid, which aims to solve the problem of poor teaching effect of the existing demonstration sound teaching aid.

[0005] In order to realize the above-mentioned utility model purpose, the utility model provides a sound visualization teaching aid, which comprises a shell and a laser, the laser is connected with the shell, the shell is provided with a sound inlet, a transmission cavity and a sound transmission film, the sound inlet is communicated with the transmission cavity, and the sound transmission film and the sound inlet are respectively arranged on the two sides of the length direction of the shell.

[0006] The sound transmission film is provided with a reflecting lens on the side facing the laser, the laser is used for emitting a light beam onto the reflecting lens, and the reflecting lens is used for reflecting the light beam onto a carrier.

[0007] Further, it further comprises a mounting frame, the mounting frame is connected with the shell, and the mounting frame is used for positioning and installing the laser.

[0008] Further, the mounting frame is provided with a mounting block and a fastener, the laser is fixedly connected with the mounting block, the mounting block is connected with the mounting frame through the fastener, and the fastener is used for adjusting the emission angle of the laser.

[0009] Further, the shell is also provided with a battery compartment for installing a power supply.

[0010] Further, the mounting block is connected with a connecting joint, and the connecting joint is used for electrically connecting the power supply and the laser.

[0011] Further, the sound transmission film is inclinedly arranged on the shell towards the laser.

[0012] Further, the sound transmission film is arranged at an angle of 45 degrees with the shell.

[0013] Further, the sound transmission film is made of flexible material.

[0014] Further, the area of the reflecting lens is smaller than the sound transmission film.

[0015] Further, the power supply is provided with a switch for controlling the turning on and off of the laser.

[0016] Beneficial effects:

[0017] The utility model discloses a sound visualization's teaching aid, including shell and laser, and the laser is connected with the shell, and the shell is equipped with the sound inlet, transmission cavity and sound transmission film, and the sound inlet communicates with the transmission cavity, and the sound transmission film and sound inlet are arranged respectively on the length direction both sides of shell, wherein, the sound transmission film is equipped with reflecting lens to the side of laser, and the laser is used for emitting light beam to reflecting lens, and reflecting lens is used for reflecting light beam to carrier, in this embodiment, sound enters transmission cavity through sound inlet and acts on sound transmission film, makes its vibration, and the vibration amplitude and frequency of sound transmission film depend on the characteristic of entering sound wave, and reflecting lens is installed on the outside of sound transmission film, therefore, the vibration of sound transmission film can directly influence the angle change of reflecting lens. After the light beam of laser is irradiated to reflecting lens, is reflected to carrier and makes the reflected light beam form dynamic spot change on carrier, through the observation of the moving track of light spot, student can directly see how the change of sound influences the movement of light beam, thereby realizes the visualization of sound, the design utilizes the high sensitivity of optical reflection, makes even the tiny sound vibration can be shown through the light beam offset, and the device can provide higher sensitivity and more intuitive visual feedback, makes the principle of sound propagation more clear, and student can experiment different vibration effects through different sound sources, enhances the understanding to the characteristic of sound, improves the interactivity and interesting of classroom, thereby promotes the teaching quality and effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the whole structure schematic diagram of sound visualization's teaching aid of the utility model one embodiment;

[0019] Fig. 2 It is the structure schematic diagram of one visual angle of sound visualization's teaching aid of the utility model one embodiment;

[0020] Fig. 3 It is the structure schematic diagram of another visual angle of sound visualization's teaching aid of the utility model one embodiment;

[0021] Among them:

[0022] 100, shell;110, sound inlet;120, transmission cavity;130, sound transmission film;

[0023] 200, laser;

[0024] 300, reflecting lens;

[0025] 400, mounting rack; 410, mounting block; 420, fastener;

[0026] 500, battery compartment;

[0027] 600, connecting joint;

[0028] 700, dial piece;

[0029] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0030] It should be understood that the specific embodiments described herein are merely intended to explain the utility model, and are not intended to limit the utility model.

[0031] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0032] In the description of the utility model, it should be noted that, unless otherwise specifically specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them.

[0034] Referring to Figs. 1 to 3 The utility model relates to a sound visualization's teaching aid, including shell 100 and laser 200, laser 200 with shell 100 is connected, shell 100 is equipped with sound inlet 110, transmission cavity 120 and sound transmission film 130, sound inlet 110 with transmission cavity 120 intercommunication, sound transmission film 130 with sound inlet 110 respectively set up in the length direction both sides of shell 100,

[0035] Wherein, sound transmission film 130 towards laser 200 side is equipped with reflecting mirror piece 300, laser 200 is used for emitting light beam to reflecting mirror piece 300, reflecting mirror piece 300 is used for reflecting light beam to carrier.

[0036] The teaching aid of the embodiment includes a rectangular shell 100, a sound transmission film 130 and a sound inlet 110 are arranged on the length direction of the shell 100, the shell 100 is hollow and forms a transmission cavity 120, a teacher transmits sound to the transmission cavity 120 through the sound inlet 110, the transmission of sound causes the sound transmission film 130 arranged on the other side of the shell 100 to vibrate, a reflecting mirror 300 is arranged on the side of the sound transmission film 130 away from the transmission cavity 120, and a laser 200 is used to emit a light beam to the reflecting mirror, the light beam is reflected on the reflecting mirror and reflected to a carrier; the design idea of the embodiment is mainly based on the basic principle of sound wave propagation, that is, sound is caused by the vibration of objects, which causes the vibration of air and forms a wave, which can be transmitted to other media and cause corresponding vibration. The scheme uses the reflection principle of light to convert the vibration of sound into the change of the laser light beam, so that the visual effect of sound is more intuitive and clear, and it is convenient for students to observe and understand the mechanism of sound propagation; sound enters the transmission cavity 120 through the sound inlet 110 and acts on the sound transmission film 130, causing it to vibrate, the vibration amplitude and frequency of the sound transmission film 130 depend on the characteristics of the incoming sound wave, that is, the pitch and volume of the sound will affect the movement of the film, the reflecting mirror 300 is installed on the outside of the sound transmission film 130, so the vibration of the sound transmission film 130 will directly affect the angle change of the reflecting mirror 300, the light beam emitted by the laser 200 is reflected to the surface of the carrier, such as a wall or a curtain, after being reflected on the reflecting mirror 300, because the sound transmission film 130 vibrates with the sound, the reflected light beam forms a dynamic spot change on the carrier, by observing the moving track of the spot, students can directly see how the change of sound affects the movement of the light beam, thereby realizing the visualization of sound; the design of the embodiment uses the high sensitivity of optical reflection, so that even a small sound vibration can be represented by the offset of the light beam. Compared with the traditional method, the device can provide higher sensitivity and more intuitive visual feedback, so that the principle of sound propagation is clearer, in addition, the teaching aid has a simple structure and is easy to manufacture, and the laser 200 can be detachably connected, which is convenient for adjustment and maintenance, and is suitable for physics classroom teaching and experimental demonstration, students can experiment with different vibration effects by using different sound sources, enhance the understanding of the characteristics of sound, improve the interactivity and interest of the classroom, and thus improve the teaching quality and effect.

[0037] On the basis of the above embodiment, the teaching aid further includes a mounting bracket 400, the mounting bracket 400 is connected with the shell 100, and the mounting bracket 400 is used for positioning and mounting the laser 200;

[0038] The mounting bracket 400 is provided with a mounting block 410 and a fastener 420, the laser 200 is fixedly connected with the mounting block 410, the mounting block 410 is connected with the mounting bracket 400 through the fastener 420, and the fastener 420 is used to adjust the emission angle of the laser 200;

[0039] The sound transmission film 130 is disposed on the housing 100 obliquely toward the laser 200;

[0040] The sound transmission film 130 is disposed at a 45-degree angle with the housing 100;

[0041] The sound transmission film 130 is of a flexible material;

[0042] The area of the emission lens is smaller than that of the sound transmission film 130.

[0043] Specifically, the mounting frame 400 is a rectangular column extending outward from the surface of the shell 100, and the laser 200 is adjustably connected with the mounting frame 400 through the mounting block 410 and the fastener 420. In this embodiment, the side of the shell 100 away from the sound inlet 110 is inwardly inclined, and the sound film 130 is arranged at an obtuse angle with the side wall of the shell 100. On this side, the length of the upper shell of the shell 100 is greater than that of the lower shell, and correspondingly, the mounting frame 400 extends outward from the side of the lower shell of the shell 100 and is aligned with the upper shell. The area of the emitting mirror is smaller than that of the sound film 130. The purpose of this arrangement is to enable the light beam emitted by the laser 200 to irradiate the reflecting mirror 300. The sound film is designed to be inclined at an angle of 45 degrees to the laser, so that no matter at which angle the laser emits the light beam to the reflecting mirror, the reflected light beam is parallel to the surface of the shell, which is more convenient for observation. The laser 200 is connected with the mounting frame 400 through the mounting block 410 and the fastener 420. The laser 200 adjusts the angle of the light beam irradiation through the fastener 420. Through the cooperation of the mounting block 410 and the fastener 420, the laser 200 has a certain angle adjustment capability, so that the incidence angle of the laser beam can be finely adjusted according to actual needs. This adjustment function is particularly important for experimental teaching, because different sound frequencies and intensities will cause different degrees of vibration. Reasonably adjusting the incidence angle of the light beam can help to enhance the dynamic change of the light spot, making the experimental phenomenon more obvious and intuitive. Compared with the fixed light source design, the adjustable laser 200 structure greatly improves the flexibility of the device, so that it can adapt to different experimental conditions and teaching needs, thereby further improving the demonstration effect of sound visualization. In addition, the sound film 130 is made of flexible material. In this embodiment, the main reason for using flexible material for the sound film 130 is to ensure that it can respond sensitively to the changes of sound waves, so as to accurately reflect the vibration characteristics of sound. Since sound waves are pressure waves transmitted through air, only when the sound film 130 has good flexibility and sufficient elasticity can it produce corresponding vibration under the action of sound waves. If the sound film 130 is too rigid, its vibration amplitude will be limited, and it will be difficult to respond sensitively to sound waves of different frequencies and intensities, thereby affecting the visualization effect of the experiment. In addition, the flexible sound film 130 can effectively reduce energy loss, so that it can more intuitively present the amplitude and frequency of sound wave vibration, thereby improving the demonstration effect of the experiment. The sound film 130 can be made of various flexible materials, such as polyester film (such as PET film), rubber film, silicone film or ultra-thin metal foil, etc.

[0044] Further, the shell 100 is also provided with a battery compartment 500 for installing a power supply;

[0045] The mounting block 410 is connected with a connecting joint 600, which is used for electrically connecting the power supply and the laser 200;

[0046] The power supply is provided with a dial 700 for controlling the opening and closing of the laser 200.

[0047] A disposable battery is installed in the battery compartment 500, and power supply and power-off are realized by pushing the dial 700. The electrical energy is transmitted to the laser 200 through the connecting joint 600, so that the laser 200 can stably emit a light beam. The connecting joint 600 of the mounting block 410 plays a key electrical connection role, which connects the power supply and the laser 200, and ensures that the laser 200 continuously obtains stable power supply during the experiment. Since the connecting joint 600 is directly integrated on the mounting block 410, the installation and disassembly of the laser 200 become more convenient. If it is necessary to replace or adjust the laser 200 during the experiment, the operation can be completed by simply plugging in and pulling out. This design improves the ease of use of the teaching aid, so that teachers and students can more easily perform experimental operations. The embodiment eliminates the bondage of wire connection, so that the device can be freely moved to adapt to more teaching scenes, while avoiding problems such as wire winding, plugging and pulling, etc., and improving the practical value, so that the sound visualization teaching aid is more intelligent, efficient and easy to use.

[0048] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is based on the content of the present application specification and drawings, is also included in the patent protection range of the present application.

Claims

1. A teaching aid for visualizing sound, characterized in that Including shell (100) and laser (200), the laser (200) is connected with the shell (100), the shell (100) is equipped with sound inlet (110), transmission cavity (120) and sound transmission film (130), the sound inlet (110) is communicated with the transmission cavity (120), the sound transmission film (130) and the sound inlet (110) are respectively arranged in the length direction of the shell (100) two sides; Wherein, the sound transmission film (130) is provided with a reflecting lens (300) on the side of the laser (200), the laser (200) is used for emitting light beam on the reflecting lens (300), and the reflecting lens (300) is used for reflecting the light beam to the carrier.

2. The sound-visualizing teaching aid according to claim 1, characterized in that It also includes a mounting bracket (400), the mounting bracket (400) is connected with the shell (100), and the mounting bracket (400) is used for positioning and installing the laser (200).

3. The sound-visualizing teaching aid of claim 2, wherein The mounting bracket (400) is provided with a mounting block (410) and a fastener (420), the laser (200) is fixedly connected with the mounting block (410), the mounting block (410) is connected with the mounting bracket (400) through the fastener (420), and the fastener (420) is used for adjusting the emission angle of the laser (200).

4. The sound-visualizing teaching aid of claim 3, wherein The shell (100) is also provided with a battery compartment (500) for installing a power supply.

5. The sound-visualizing teaching aid of claim 4, wherein The mounting block (410) is connected with a connecting joint (600), and the connecting joint (600) is used for electrically connecting the power supply and the laser (200).

6. The sound-visualizing teaching aid of claim 1, wherein The sound transmission film (130) is inclinedly arranged in the shell (100) towards the laser (200).

7. The sound-visualizing teaching aid of claim 1, wherein The sound transmission film (130) is arranged at an angle of 45 degrees with the shell (100).

8. The sound-visualizing teaching aid of claim 1, wherein The sound transmission film (130) is of flexible material.

9. The sound-visualizing teaching aid of claim 1, wherein The area of the reflecting lens (300) is smaller than that of the sound transmission film (130).

10. The sound-visualizing teaching aid of claim 4, wherein The power supply is provided with a dial piece (700) for controlling the opening and closing of the laser (200).

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