Area sound source consonant device used in large sports place

Abstract

The utility model belongs to the field of sports place equipment, particularly relates to an area sound source consonant device used in a large sports place, and aims to solve the problems that an existing sound field overflows, noise pollution is caused to the surrounding environment, the working and sleeping quality of nearby residents is seriously influenced, and the hearing of teenagers is also badly influenced, and the following scheme is provided: the area sound source consonant device comprises a fixed frame, a waterproof decoration face is fixedly arranged on one side of the fixing frame, two symmetrically-arranged mounting plates are fixedly arranged at the bottom end of the other side of the fixing frame, the same back plate is inserted between the two mounting plates, a sound absorption plate is fixedly arranged on one side of the back plate and located in the fixing frame, and two top plates are fixedly arranged at the top end of the back plate. The bottom of the top plate makes contact with the surface of the fixing frame. The vibration sounding plate is arranged on the inner side of the fixing frame. According to the utility model, the sound field range can be effectively controlled, noise disturbing residents caused by sound overflow can be prevented, people can conveniently and quickly mount and dismount the structure, and convenience is provided for later maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sports place equipment, especially relates to a surface sound source auxiliary sound device for large sports place. BACKGROUND

[0002] At present, the sound amplifying equipment of large sports place such as campus playground, sports ground, gymnasium mainly is mainly traditional fixed pressure broadcast (commonly known as loudspeaker) or high-power line array sound.

[0003] However, two broadcast systems are through high-power drive loudspeaker to obtain enough sound pressure to realize in order to ensure that every position can hear sound in large area region. This inevitably leads to sound field overflow, thereby causing noise pollution to surrounding environment. According to investigation, now primary and middle school generally every Monday to Friday, every day in the morning plays loudspeaker broadcast, from 7 o'clock in the morning, until student morning exercise ends, the volume of speech and morning exercise music is usually above 70 decibels, and above 80 decibels in individual. Not only the residents living in the surrounding range are affected by noise, but also have adverse effects on adolescent hearing.

[0004] Therefore we propose a surface sound source auxiliary sound device for large sports place. CONTENT OF UTILITY MODEL

[0005] The utility model aims at solving the shortcomings that sound field overflow in prior art, cause noise pollution to surrounding environment, and have adverse effects on adolescent hearing, and proposes a surface sound source auxiliary sound device for large sports place.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A surface sound source auxiliary sound device for large sports place, comprising:

[0008] One side of the fixed frame is fixedly provided with a waterproof decorative surface, the other side of the fixed frame is fixedly provided with two symmetrically arranged mounting plates, a same back plate is inserted between the two mounting plates, one side of the back plate is fixedly provided with an acoustic panel, the acoustic panel is located in the fixed frame, the top end of the back plate is fixedly provided with two top plates, and the bottom of the top plate is in contact with the surface of the fixed frame.

[0009] Further comprising a vibration sound board arranged in the inner side of the fixed frame, one side of the vibration sound board is fixedly provided with at least one driver, and both sides of the vibration sound board are fixedly provided with side plates.

[0010] A positioning mechanism is arranged on one side of the side plate and used for positioning the side plate.

[0011] A limiting mechanism is arranged on the surface of the fixed frame and used for limiting the top plate.

[0012] In a possible design, the positioning mechanism includes two first positioning grooves, two first positioning blocks and a handle, the two first positioning grooves are arranged on one side of the side plate, the two first positioning blocks are fixedly arranged on the inner wall of one side of the fixed frame, the first positioning groove and the first positioning block are matched, the handle is fixedly arranged on one side of the side plate, the outer wall of the handle is fixedly sleeved with a rubber sleeve, and the rubber sleeve abuts against the sound-absorbing plate.

[0013] In a possible design, the limiting mechanism includes an n-shaped plate, the n-shaped plate is fixedly arranged on the surface of the fixed frame, two limiting plates are slidably connected to the inner wall of the n-shaped plate, a spring is fixedly arranged between the two limiting plates, a notch is arranged on one side of the limiting plate, and the top plate is located in the notch.

[0014] In a possible design, the surface of the n-shaped plate is throughly provided with a gap, and the surface of the limiting plate is fixedly provided with a pushing block, the pushing block passes through the gap.

[0015] In a possible design, the surface of the top plate is throughly provided with a second positioning groove, and the surface of the fixed frame is fixedly provided with two second positioning blocks, the second positioning blocks and the second positioning groove are matched.

[0016] In a possible design, the outer walls of the two sides of the fixed frame are fixedly provided with support plates, the top ends of the two support plates are fixedly provided with a same cover plate, the bottom inner wall of the fixed frame is throughly provided with a rectangular groove, and a waterproof junction box is fixedly arranged in the rectangular groove.

[0017] In the application, during maintenance, the pushing block is manually moved to make the limiting plate separate from the top plate, the back plate is then moved upward to make the back plate separate from the mounting plate, the back plate is then removed, the back plate drives the sound-absorbing plate to separate from the handle, thereby releasing the limitation on the handle, the handle is then held to move the side plate, so that the side plate and the first positioning block are separated, and then the vibration sound plate is taken out for maintenance, after the maintenance is completed, the vibration sound plate and the side plate are placed into the fixed frame by using the handle, so that the first positioning block and the first positioning groove are connected, and then the back plate is reassembled.

[0018] Beneficial effects: in the utility model, the surface sound source auxiliary sound device for large sports place, through the setting of vibration sound board, driver and fixed frame and a plurality of structures, vibration sound board is 180 degree surface sound source sound board, surface sound source sound board generates plane wave to one direction surface radiation by surface vibration, the wave front of surface sound source sound board is parallel to the plane perpendicular to the propagation direction, each point on the wave front has the same amplitude and phase, has wide directivity, sound field balance, sound natural, fidelity and other characteristics, the sound effect heard at different positions is not much different, the energy radiated at the back of surface sound source sound board is very small, and rapidly attenuates, cooperates with the sound absorption plate, can effectively control the sound field range, prevents the sound overflow to form noise and disturb the people;

[0019] In the utility model, the surface sound source auxiliary sound device for large sports place, through the setting of limiting plate, top plate and spring and a plurality of structures, can conveniently and quickly install and dismount the structure such as backboard and vibration sound board, provides convenience for later maintenance;

[0020] In the utility model, the surface sound source auxiliary sound device for large sports place, through the setting of limiting plate, top plate and spring and a plurality of structures, can conveniently and quickly install and dismount the structure such as backboard and vibration sound board, provides convenience for later maintenance; ACCURACY OF DRAWINGS

[0021] Figure 1 A three-dimensional structure schematic view of the surface sound source auxiliary sound device for large sports place is provided for the utility model;

[0022] Figure 2 An exploded structure schematic view of the surface sound source auxiliary sound device for large sports place is provided for the utility model;

[0023] Figure 3 A positioning mechanism structure schematic view of the surface sound source auxiliary sound device for large sports place is provided for the utility model;

[0024] Figure 4 A limiting mechanism structure schematic view of the surface sound source auxiliary sound device for large sports place is provided for the utility model.

[0025] In the drawing: 1, fixed frame;2, waterproof decorative surface;3, vibration sound board;4, driver;5, side plate;6, backboard;7, sound absorption plate;8, top plate;9, mounting plate;10, waterproof junction box;11, first positioning groove;12, first positioning block;13, handle;14, n-shaped plate;15, limiting plate;16, spring;17, accommodation opening;18, shift block;19, second positioning groove;20, second positioning block;21, support plate. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments.

[0027] Embodiment 1: Refer to Figures 1-4 A face sound source auxiliary consonant device comprises:

[0028] The fixed frame 1 is provided with a waterproof decorative surface 2 on one side, which is not only beautiful but also can effectively prevent water from penetrating into the device. Two mounting plates 9 are symmetrically arranged at the bottom of the other side of the fixed frame 1. The same back plate 6 is inserted between the two mounting plates 9. The back plate 6 is provided with an acoustic panel 7 on one side. The acoustic panel 7 is located in the fixed frame 1 and is used to absorb excess sound waves and reduce the volume of the back. The height of the acoustic panel 7 is less than the inner diameter height of the fixed frame 1, which facilitates the installation and disassembly of the structure. Two top plates 8 are fixedly arranged at the top of the back plate 6. The bottom of the top plate 8 is in contact with the surface of the fixed frame 1. The two top plates 8 are used to support the back plate 6 and the acoustic panel 7 thereon.

[0029] The device further comprises a vibration sound plate 3 arranged inside the fixed frame 1. At least one driver 4 is arranged on one side of the vibration sound plate 3. The driver 4 drives the vibration sound plate 3 to vibrate, thereby generating sound. Side plates 5 are arranged on both sides of the vibration sound plate 3.

[0030] A positioning mechanism is arranged on one side of the side plate 5 and is used to position the side plate 5. The positioning mechanism comprises two first positioning grooves 11, two first positioning blocks 12 and a handle 13. The two first positioning grooves 11 are arranged on one side of the side plate 5. The two first positioning blocks 12 are fixedly arranged on the inner wall of one side of the fixed frame 1. The first positioning groove 11 and the first positioning block 12 are matched. When the side plate 5 is installed in place, the first positioning groove 11 and the first positioning block 12 are matched to realize the positioning of the side plate 5. The handle 13 is fixedly arranged on one side of the side plate 5. A rubber sleeve is fixedly arranged on the outer wall of the handle 13. The rubber sleeve is in contact with the acoustic panel 7. The rubber sleeve can protect the acoustic panel 7 from being damaged and limit the handle 13, thereby avoiding the vibration of the vibration sound plate 3. The handle 13 can facilitate the installation and disassembly of the side plate 5.

[0031] A limiting mechanism is arranged on the surface of the fixed frame 1 and is used to limit the top plate 8. The limiting mechanism comprises an n-shaped plate 14. The n-shaped plate 14 is fixedly arranged on the surface of the fixed frame 1. Two limiting plates 15 are slidably connected to the inner wall of the n-shaped plate 14. A spring 16 is fixedly arranged between the two limiting plates 15. A notch is arranged on one side of the limiting plate 15. The top plate 8 is located in the notch. When the top plate 8 is installed in place, the operator can push the limiting plate 15 to make it clamp the top plate 8 to prevent it from loosening. The spring 16 can push the limiting plate 15 to avoid the disengagement of the limiting plate 15 from the top plate 8.

[0032] The application can be used in the field of sports venue equipment, and can also be used in other fields applicable to the application.

[0033] Embodiment 2: A surface sound source auxiliary sound device for a large sports venue, which is applied to the field of sports venue equipment, and is improved on the basis of embodiment 1.

[0034] In another aspect of the embodiment, the surface of the n-type plate 14 is provided with a clearance opening 17, and the surface of the limiting plate 15 is provided with a push block 18, which passes through the clearance opening 17. In this way, the operator can conveniently push the limiting plate 15 through the push block 18, so as to realize the limiting and unlocking of the top plate 8.

[0035] In another aspect of the embodiment, the surface of the top plate 8 is provided with a second positioning groove 19, and the surface of the fixed frame 1 is provided with two second positioning blocks 20, which are matched with the second positioning groove 19. When the top plate 8 is installed in place, the second positioning blocks 20 and the second positioning groove 19 are matched, which further enhances the stability of the top plate 8.

[0036] In another aspect of the embodiment, the two side walls of the fixed frame 1 are provided with a support plate 21, and the top ends of the two support plates 21 are provided with the same apron, which can shield light and rain for the fixed frame 1. The bottom inner wall of the fixed frame 1 is provided with a rectangular groove, and a waterproof junction box 10 is arranged in the rectangular groove, which can facilitate wiring and ensure the waterproof performance of the wiring position.

[0037] However, as known to those skilled in the art, the working principle and wiring method of the driver 4 are common, which belong to conventional means or common general knowledge, and will not be described here. Those skilled in the art can make any selection or arrangement according to their needs or convenience.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A surface sound source consonant device for use in a large sports venue, characterized by, The utility model relates to a waterproof sound-absorbing and vibrating device, which comprises the following: A fixed frame (1) is provided with a waterproof decorative surface (2) on one side, two mounting plates (9) are symmetrically arranged at the bottom of the other side of the fixed frame (1), a back plate (6) is inserted between the two mounting plates (9), an acoustic panel (7) is fixed on one side of the back plate (6) and located in the fixed frame (1), two top plates (8) are fixed at the top of the back plate (6), and the bottom of the top plate (8) is in contact with the surface of the fixed frame (1); A vibrating sound board (3) is arranged in the fixed frame (1), at least one driver (4) is fixed on one side of the vibrating sound board (3), and side plates (5) are fixed on both sides of the vibrating sound board (3); A positioning mechanism is arranged on one side of the side plate (5) and used for positioning the side plate (5); A limiting mechanism is arranged on the surface of the fixed frame (1) and used for limiting the top plate (8).

2. A surface sound source secondary sound device for use in a large venue as defined in claim 1, wherein, The positioning mechanism comprises two first positioning grooves (11), two first positioning blocks (12) and a handle (13), the two first positioning grooves (11) are arranged on one side of the side plate (5), the two first positioning blocks (12) are fixed on the inner wall of one side of the fixed frame (1), the first positioning groove (11) is matched with the first positioning block (12), the handle (13) is fixed on one side of the side plate (5), a rubber sleeve is fixedly arranged on the outer wall of the handle (13), and the rubber sleeve is in contact with the acoustic panel (7).

3. A surface sound source secondary sound device for use in a large venue as defined in claim 2, wherein, The limiting mechanism comprises an n-shaped plate (14), the n-shaped plate (14) is fixed on the surface of the fixed frame (1), two limiting plates (15) are slidably connected to the inner wall of the n-shaped plate (14), a spring (16) is fixed between the two limiting plates (15), a notch is arranged on one side of the limiting plate (15), and the top plate (8) is located in the notch.

4. A surface sound source secondary sound device for use in a large venue as defined in claim 3, wherein, A gap (17) is arranged on the surface of the n-shaped plate (14), a pushing block (18) is fixed on the surface of the limiting plate (15), and the pushing block (18) passes through the gap (17).

5. A large venue used area sound source accent device according to claim 4, characterized in that, A second positioning groove (19) is arranged on the surface of the top plate (8), two second positioning blocks (20) are fixed on the surface of the fixed frame (1), and the second positioning block (20) is matched with the second positioning groove (19).

6. A surface sound source consonant device for use in a large venue as defined in claim 5, wherein Support plates (21) are fixed on the outer walls of both sides of the fixed frame (1), the same cover plate is fixed at the top of the two support plates (21), a rectangular groove is arranged in the bottom inner wall of the fixed frame (1), and a waterproof junction box (10) is fixed in the rectangular groove.

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