Acoustic experiment device

Abstract

The utility model discloses an acoustic experiment device, which comprises a monitor main body, a shielding case is fixedly connected to the monitor main body, a fixing mechanism is arranged at the upper end of the shielding case, a damping mechanism is arranged at the bottom in the shielding case, a guide rod is fixedly connected to the side wall of the rear end of the monitor main body, and the side wall of the rear end of the monitor main body is provided with a fixing mechanism. The guide rod is slidably connected with a lifting sliding ring, the lifting sliding ring is fixedly connected with a high-speed camera, the fixing mechanism comprises a vertical plate, a fixing screw rod, a limiting rotating ring and a supporting plate, the supporting plate is provided with a bearing groove, the supporting plate is provided with a sound generator, and the sound generator is fixedly connected with the lifting sliding ring. The sound generator and the shielding cover are coaxially arranged, and the fixing block abuts against the side wall of the sound generator. The utility model belongs to the technical field of acoustic experiments, and particularly relates to an acoustic experiment device.

Description

Technical Field

[0001] The utility model belongs to the technical field of acoustic experiments, and specifically refers to an acoustic experiment device. Background Technique

[0002] Acoustics refers to the science that studies the generation, propagation, reception and effects of mechanical waves. There are various experimental methods in acoustics, such as verifying how sound is generated and how it propagates. Existing acoustic experiment devices, such as an acoustic teaching experiment device disclosed in the patent application No. CN201420422858.2, have the characteristics of reasonable design, simple structure, easy processing, convenient operation, clean and hygienic, etc. It can not only vividly demonstrate the extracted air, but also intuitively demonstrate the principle that sound requires a medium to be transmitted.

[0003] However, as is well known, sound can transfer energy, which is invisible and intangible. Therefore, in acoustic experimental research, invisible sound is usually revealed through different media. The existing method is usually to place a container filled with media such as water on the speaker. In actual use, it is easily affected by external interference. When the speaker emits sound, its body will also vibrate, thus affecting the generation of the medium waveform. In particular, it is not convenient to record the generated waveform. For this reason, we propose an acoustic experiment device to solve the above problems. Content of the Utility Model

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an acoustic experiment device, which effectively solves the problem that the existing acoustic experiment device lacks the convenience of recording sound waveforms, and solves the problem that the traditional waveform generation method is easily affected by the vibration of the speaker.

[0005] The technical solution adopted by the utility model is as follows: An acoustic experiment device proposed by the utility model includes a monitor main body. A shielding cover is fixedly connected to the monitor main body. A fixing mechanism is arranged at the upper end of the shielding cover. A damping mechanism is arranged at the bottom inside the shielding cover. A guiding rod is fixedly connected to the side wall at the rear end of the monitor main body. A lifting sliding ring is slidably connected to the guiding rod. A high-speed camera is fixedly connected to the lifting sliding ring.

[0006] As an improvement of this solution, the fixing mechanism includes a vertical plate, a fixing screw, a limiting rotating ring and a supporting plate. The vertical plate is fixedly connected to the shielding cover. The fixing screw is threadedly connected to the vertical plate and penetrates through the vertical plate. The limiting rotating ring is rotatably connected to the fixing screw. The supporting plate is fixedly connected to the limiting rotating ring.

[0007] Improved according to this solution, the shock absorption mechanism includes a shock absorber, a support plate, a fixing block, a clamping spring and a shock pad. The shock absorber is rotatably connected to the bottom inside the shielding cover. The support plate is rotatably connected to the shock absorber and is arranged parallel to the main body of the monitor. The fixing block is slidably connected to the support plate. One end of the clamping spring is arranged on the support plate, and the other end of the clamping spring is connected to the fixing block. The shock pads are arranged at the four corners of the bottom of the main body of the monitor.

[0008] Improved according to this solution, a receiving groove is provided on the support plate, a sound generator is provided on the support plate, and the sound generator is coaxially arranged with the shielding cover. The fixing block is tightly pressed against the side wall of the sound generator.

[0009] Improved according to this solution, a limiting groove is provided on the guiding rod. A fixing knob is threadedly connected to the lifting sliding ring, and the fixing knob passes through the lifting sliding ring and is slidably connected to the limiting groove. An operation panel is provided on the main body of the monitor.

[0010] Improved according to this solution, the sound generator is arranged between the receiving groove and the support plate. The fixing screw is perpendicular to the vertical plate. The receiving groove is coaxially arranged with the sound generator.

[0011] Improved according to this solution, the guiding rod is arranged in a cylindrical shape, the lifting sliding ring is arranged in an O shape, and the support plate is arranged in an L shape.

[0012] The beneficial effects achieved by the present utility model with the above structure are as follows:

[0013] 1. A fixing mechanism is provided, which can select different containers according to different media. Through the adjustable fixing screw, it is convenient to fix the containers filled with different substances, and an adjustable-height high-speed camera is provided, which is convenient for recording the generated waveforms, improving the practicality of use;

[0014] 2. A shock absorption mechanism is provided, which can reduce the problem that the vibration of the sound generator itself affects the waveform. Through the shielding cover, the energy of the sound generated by the sound generator can be concentrated upward, making the generation of the waveform clearer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a first perspective of an acoustic experiment device proposed by the present utility model;

[0016] Figure 2 It is a schematic diagram of the overall structure of a second perspective of an acoustic experiment device proposed by the present utility model;

[0017] Figure 3 It is a cross-sectional view of an acoustic experiment device proposed by the present utility model.

[0018] Among them, 1 is the monitor main body; 2 is the shielding cover; 3 is the fixing mechanism; 4 is the shock-absorbing mechanism; 5 is the guide rod; 6 is the lifting sliding ring; 7 is the high-speed camera; 8 is the vertical plate; 9 is the fixing screw; 10 is the limiting rotating ring; 11 is the supporting plate; 12 is the shock absorber; 13 is the supporting plate; 14 is the fixing block; 15 is the clamping spring; 16 is the shock pad; 17 is the receiving groove; 18 is the sound generator; 19 is the limiting groove; 20 is the fixing knob; 21 is the operation panel.

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0021] As Figure 1 、 Figure 2 and Figure 3 shown, an acoustic experiment device proposed by the present invention includes a monitor main body 1. A shielding cover 2 is fixedly connected to the monitor main body 1. A fixing mechanism 3 is provided at the upper end of the shielding cover 2. A shock-absorbing mechanism 4 is provided at the bottom inside the shielding cover 2. A guide rod 5 is fixedly connected to the side wall at the rear end of the monitor main body 1. A lifting sliding ring 6 is slidably connected to the guide rod 5. A high-speed camera 7 is fixedly connected to the lifting sliding ring 6.

[0022] In order to fix different containers, the fixing mechanism 3 includes a vertical plate 8, a fixing screw 9, a limiting rotating ring 10 and a supporting plate 11. The vertical plate 8 is fixedly connected to the shielding cover 2. The fixing screw 9 is threadedly connected to the vertical plate 8 and penetrates through the vertical plate 8. The limiting rotating ring 10 is rotatably connected to the fixing screw 9. The supporting plate 11 is fixedly connected to the limiting rotating ring 10.

[0023] In order to reduce the influence of the vibration of the device itself on the waveform, the shock absorption mechanism 4 includes a shock absorber 12, a support plate 13, a fixing block 14, a clamping spring 15 and a shock pad 16. The shock absorber 12 is rotatably connected to the bottom inside the shielding cover 2. The support plate 13 is rotatably connected to the shock absorber 12 and is arranged in parallel with the monitor main body 1. The fixing block 14 is slidably connected to the support plate 13. One end of the clamping spring 15 is arranged on the support plate 13, and the other end of the clamping spring 15 is connected to the fixing block 14. The shock pads 16 are arranged at the four corners of the bottom of the monitor main body 1.

[0024] A receiving groove 17 is arranged on the support plate 11. A sound generator 18 is arranged on the support plate 13, and the sound generator 18 is coaxially arranged with the shielding cover 2. The fixing block 14 is tightly abutted against the side wall of the sound generator 18. A limiting groove 19 is arranged on the guide rod 5. A fixing knob 20 is threadedly connected to the lifting sliding ring 6, and the fixing knob 20 passes through the lifting sliding ring 6 and is slidably connected to the limiting groove 19. An operation panel 21 is arranged on the monitor main body 1.

[0025] The sound generator 18 is arranged between the receiving groove 17 and the support plate 13. The fixing screw 9 is perpendicular to the vertical plate 8. The receiving groove 17 is coaxially arranged with the sound generator 18. The guide rod 5 is arranged in a cylindrical shape. The lifting sliding ring 6 is arranged in an O shape. The support plate 11 is arranged in an L shape.

[0026] During specific use, place the receiving groove 17 containing the medium on the support plate 11. Rotate the fixing screws 9 on both sides to make the fixing screws 9 push the support plate 11 towards the receiving groove 17 until the receiving groove 17 is clamped. Turn on the sound generator 18 through the operation panel 21, so that the sound generated by the sound generator 18 propagates upward under the action of the shielding cover 2, thereby causing the medium in the receiving groove 17 to be agitated, and use the high-speed camera 7 for recording. The vibration generated by the sound generator 18 itself is weakened by the shock absorber 12 at the bottom of the support plate 13, and the vibration is further weakened under the action of the shock pads 16. Under the action of the clamping spring 15, the fixing block 14 is kept in close contact with the sound generator 18 to prevent the sound generator 18 from shifting. When it is necessary to adjust the distance between the high-speed camera 7 and the waveform for taking pictures and recording, just screw out the fixing knob 20 to separate it from the guide rod 5 inside the limiting groove 19, then make the lifting sliding ring 6 move up and down along the limiting groove 19 under the action of the fixing knob 20, and then screw the fixing knob 20 into abutment with the guide rod 5 inside the limiting groove 19. The above is the entire usage process of the acoustic experiment device.

[0027] The above description is made on the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and without departing from the gist of the creation of the present utility model, they design similar structural modes and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. An acoustic experimental device, comprising a monitor main body (1), characterized in that: A shielding cover (2) is fixedly connected to the monitor main body (1). A fixing mechanism (3) is provided at the upper end of the shielding cover (2). A shock-absorbing mechanism (4) is provided at the bottom inside the shielding cover (2). A guide rod (5) is fixedly connected to the side wall at the rear end of the monitor main body (1). A lifting sliding ring (6) is slidably connected to the guide rod (5). A high-speed camera (7) is fixedly connected to the lifting sliding ring (6). The fixing mechanism (3) includes a vertical plate (8), a fixing screw (9), a limiting rotating ring (10), and a supporting plate (11). The vertical plate (8) is fixedly connected to the shielding cover (2). The fixing screw (9) is threadedly connected to the vertical plate (8) and penetrates through the vertical plate (8). The limiting rotating ring (10) is rotatably connected to the fixing screw (9). The supporting plate (11) is fixedly connected to the limiting rotating ring (10). The shock-absorbing mechanism (4) includes a shock absorber (12), a supporting plate (13), a fixing block (14), a clamping spring (15), and a shock-absorbing pad (16). The shock absorber (12) is rotatably connected to the bottom inside the shielding cover (2). The supporting plate (13) is rotatably connected to the shock absorber (12) and is arranged parallel to the monitor main body (1). The fixing block (14) is slidably connected to the supporting plate (13). One end of the clamping spring (15) is arranged on the supporting plate (13). The other end of the clamping spring (15) is connected to the fixing block (14). The shock-absorbing pads (16) are arranged at the four corners of the bottom of the monitor main body (1).

2. An acoustic experiment device according to claim 1, characterized in that: A receiving groove (17) is provided on the supporting plate (11). A sound generator (18) is provided on the supporting plate (13), and the sound generator (18) is coaxially arranged with the shielding cover (2). The fixing block (14) is in tight contact with the side wall of the sound generator (18).

3. An acoustic experiment device according to claim 2, characterized in that: A limiting groove (19) is provided on the guide rod (5). A fixing knob (20) is threadedly connected to the lifting sliding ring (6), and the fixing knob (20) penetrates through the lifting sliding ring (6) and is slidably connected to the limiting groove (19). An operation panel (21) is provided on the monitor main body (1).

4. An acoustic experiment device according to claim 3, characterized in that: The sound generator (18) is arranged between the receiving groove (17) and the supporting plate (13). The fixing screw (9) is perpendicular to the vertical plate (8). The receiving groove (17) is coaxially arranged with the sound generator (18).

5. An acoustic experiment device according to claim 4, characterized in that: The guide rod (5) is arranged in a cylindrical shape. The lifting sliding ring (6) is arranged in an O shape. The supporting plate (11) is arranged in an L shape.

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