Omnidirectional sound amplification mechanism with high sound pressure level

Abstract

The utility model relates to the technical field of loudspeakers, in particular to a high-sound-pressure-level omnidirectional sound amplification mechanism which comprises a rod body and a sound wave device arranged on the rod body. The sound wave device comprises a first sounding body, a second sounding body, a third sounding body, a first equalizer and a second equalizer, wherein the second sounding body and the first sounding body are arranged at an interval; the first equalizer is arranged between the first sounding body and the second sounding body; the second equalizer is arranged between the first sounding body and the third sounding body; the central axes of the first sounding body, the second sounding body, the third sounding body, the first equalizer and the second equalizer coincide. The 360-degree omni-directional sound amplification device is compact in structure and reasonable in design, achieves 360-degree omni-directional sound transmission, improves the coverage area and the sound amplification range, and has stable omni-directional sound amplification performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to a loudspeaker technical field especially relates to a high sound pressure level omnidirectional sound amplification mechanism. BACKGROUND

[0002] In the occasion needing to use the sound amplifier to amplify the sound, including the citizen square area, forest fire prevention area, chemical plant area, frontier area, customs area etc., usually the voice of the speaker is amplified, can realize long-distance shouting, warning effect, let the listener of periphery clearly hear and obtain relevant information in time, especially the high sound pressure omnidirectional sound amplifier is through the periphery of the installation column and is installed with multiple loudspeakers, multiple loudspeakers respectively towards different directions and makes sound amplification use, but due to the restriction of loudspeaker structure size, occupies large space, makes multiple loudspeakers work easily occur unstable loudspeaker performance, circumferential existence sound amplification intersection or non-coverage problem, is difficult to reach the purpose of all-around sound effect, influences omnidirectional sound amplification performance. UTILITY MODEL CONTENT

[0003] The utility model discloses a high sound pressure level omnidirectional sound amplification mechanism, compact structure and reasonable design, realize 360 degrees omnidirectional sound transmission effect, improve the coverage area and the sound amplification range, have stable omnidirectional sound amplification performance.

[0004] To realize the above-mentioned purpose, a high sound pressure level omnidirectional sound amplification mechanism of the utility model, including the rod body and the sound wave device that sets up in the rod body, the sound wave device includes the first sound emitter, the second sound emitter that sets up with the first sound emitter interval, the third sound emitter, the first equalizer that sets up between the first sound emitter and the second sound emitter and the second equalizer that sets up between the first sound emitter and the third sound emitter, the central axis of the five of the first sound emitter, the second sound emitter, the third sound emitter, the first equalizer, the second equalizer coincides.

[0005] Preferably, the first sound emitter includes a first horn, a first loudspeaker disposed in the first horn, a first sound outlet disposed in the first horn, a second horn connected to the first horn, a second loudspeaker disposed in the second horn, and a second sound outlet disposed in the second horn. The first horn and the second horn surround to form a sound propagation space. The first loudspeaker and the second loudspeaker are arranged in an upper and lower spaced manner.

[0006] Preferably, the second sound emitter includes a first connecting seat, a third horn connected to the first connecting seat, a third loudspeaker disposed in the third horn, and a third sound outlet disposed in the third horn. The third sound outlet is spaced apart from and oppositely disposed to the first sound outlet.

[0007] Preferably, the third sound emitting body comprises a second connecting seat, a fourth horn connected with the second connecting seat, a fourth loudspeaker arranged on the fourth horn, and a fourth sound outlet arranged on the fourth horn, the fourth sound outlet is arranged in a spaced and opposite manner with the second sound outlet.

[0008] Preferably, the rod body comprises a first supporting rod and a second supporting rod connected with the first supporting rod, both ends of the first supporting rod are provided with a first mounting seat and a first mounting hole arranged on the first mounting seat, both ends of the second supporting rod are provided with a second mounting seat and a second mounting hole arranged on the second mounting seat.

[0009] Preferably, the first connecting seat is provided with a lightning rod and a light alarm, and the second connecting seat is connected with the first supporting rod.

[0010] Preferably, the second supporting rod is provided with a control box and a battery electrically connected with the control box, and the control box is electrically connected with the light alarm and the sound wave device.

[0011] Preferably, a first reinforcing rib is arranged at the connection between the first supporting rod and the first mounting seat, and a second reinforcing rib is arranged at the connection between the second supporting rod and the second mounting seat.

[0012] Preferably, a first dustproof filter screen is arranged between the first sound emitting body and the second sound emitting body, the first dustproof filter screen is sleeved on the outside of the first equalizer, a second dustproof filter screen is arranged between the first sound emitting body and the third sound emitting body, and the second dustproof filter screen is sleeved on the outside of the second equalizer.

[0013] Preferably, a connecting column is arranged between the first sound emitting body and the second sound emitting body and between the first sound emitting body and the third sound emitting body, a plurality of connecting columns are arranged around the circumferences of the first sound emitting body, the second sound emitting body and the third sound emitting body.

[0014] The utility model discloses the beneficial effect that: compact structure and reasonable in design realize 360 degrees omnidirectional sound transmission effect, improve the coverage area and the range of sound amplification, have stable omnidirectional sound amplification performance. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the structural schematic diagram of the utility model.

[0016] Fig. 2 It is the exploded structural schematic diagram of the utility model.

[0017] The reference signs include:

[0018] 1 - rod body 11 - first supporting rod 12 - second supporting rod

[0019] 13 - first mounting seat 14 - first mounting hole 15 - second mounting seat

[0020] 16 - second mounting hole 17 - first reinforcing rib 18 - second reinforcing rib

[0021] 2 - sound wave device 21 - first sound emitting body 211 - first horn

[0022] 212 - first loudspeaker 213 - first sound outlet hole 214 - second horn

[0023] 215 - second loudspeaker 216 - second sound outlet hole

[0024] 22 - second sound emitting body 221 - first connecting seat 222 - third horn

[0025] 223 - third loudspeaker 224 - third sound outlet hole

[0026] 23 - third sound emitting body 231 - second connecting seat 232 - fourth horn

[0027] 233 - fourth loudspeaker 234 - fourth sound outlet hole

[0028] 24 - first equalizer 25 - second equalizer 26 - first dustproof filter screen

[0029] 27 - second dustproof filter screen 28 - connecting column

[0030] 3 - lightning rod 4 - light alarm 5 - control box

[0031] 6 - battery. DETAILED DESCRIPTION

[0032] The utility model is described in detail below in combination with the drawings.

[0033] As Figs. 1-2 shown, the utility model relates to a high sound pressure level omnidirectional sound amplification mechanism, including pole body 1 and setting in pole body 1 sound wave device 2, sound wave device 2 includes first sound emitting body 21, with the first sound emitting body 21 interval arrangement second sound emitting body 22, third sound emitting body 23, set up between first sound emitting body 21 and second sound emitting body 22 first equalizer 24 and set up between first sound emitting body 21 and third sound emitting body 23 second equalizer 25, the central axis of first sound emitting body 21, second sound emitting body 22, third sound emitting body 23, first equalizer 24, second equalizer 25 five coincides.

[0034] The sound wave device 2 is installed at the top end of the rod body 1, the first sound emitter 21, the second sound emitter 22 and the third sound emitter 23 are vertically overlapped and assembled, the second sound emitter 22 and the third sound emitter 23 are respectively located above and below the first sound emitter 21, and the first equalizer 24 is installed between the first sound emitter 21 and the second sound emitter 22, the first sound emitter 21 and the second sound emitter 22 respectively emit sound waves, the sound waves are diffused and guided by the first equalizer 24 and then transmitted to the outside, effectively improving the sound quality, the second equalizer 25 is installed between the first sound emitter 21 and the third sound emitter 23, the first sound emitter 21 and the third sound emitter 23 respectively emit sound waves, the sound waves are diffused and guided by the second equalizer 25 and then transmitted to the outside, correcting the intensity of the sound waves, thereby improving the audio, the central axes of the first sound emitter 21, the second sound emitter 22, the third sound emitter 23, the first equalizer 24 and the second equalizer 25 coincide, ensuring the accuracy and coaxiality of the positions of the components, meeting the requirements of accurate alignment and improving the assembly efficiency. In actual use, the number of sound emitters can be increased or decreased according to different use requirements, and the use flexibility is high, for example: a 4.5-meter-high rod body 1 can install two sound emitters or four sound emitters; a 9-meter-high rod body 1 can install two sound emitters or four sound emitters. The compact structure and reasonable design of the utility model realize 360-degree omnidirectional sound transmission, improve the coverage area and sound expansion range, and have stable omnidirectional sound expansion performance.

[0035] The first sound emitter 21 of the embodiment comprises a first horn 211, a first loudspeaker 212 arranged on the first horn 211, a first sound outlet hole 213 arranged on the first horn 211, a second horn 214 connected with the first horn 211, a second loudspeaker 215 arranged on the second horn 214 and a second sound outlet hole 216 arranged on the second horn 214, the first horn 211 and the second horn 214 surround to form a sound propagation space, and the first loudspeaker 212 and the second loudspeaker 215 are arranged in an upper and lower interval. Specifically, the first horn 211 and the second horn 214 are connected in an upper and lower cover, the first loudspeaker 212 is arranged on the first horn 211, the second loudspeaker 215 is arranged on the second horn 214, the first horn 211 and the second horn 214 are connected with each other and surround to form a sound propagation space, so that the first loudspeaker 212 and the second loudspeaker 215 are arranged in an upper and lower interval, the sound waves emitted from the first loudspeaker 212 resonate in the sound propagation space and then transmitted to the outside through the first sound outlet hole 213, the sound waves emitted from the second loudspeaker 215 resonate in the sound propagation space and then transmitted to the outside through the second sound outlet hole 216, and the sound wave transmission strength is improved.

[0036] The second sound producing body 22 of the embodiment comprises a first connecting seat 221, a third horn 222 connected with the first connecting seat 221, a third loudspeaker 223 arranged on the third horn 222, and a third sound outlet hole 224 arranged on the third horn 222, the third sound outlet hole 224 is spaced apart from and oppositely arranged with the first sound outlet hole 213. Specifically, the third horn 222 is connected to the first connecting seat 221, the third loudspeaker 223 is arranged on the third horn 222, and the sound waves emitted from the third loudspeaker 223 are transmitted to the outside through the third sound outlet hole 224. Since the third sound outlet hole 224 is spaced apart from and oppositely arranged with the first sound outlet hole 213, the sound pressure is strengthened after the two sound waves are superimposed, and the sound amplification effect is good.

[0037] The third sound producing body 23 of the embodiment comprises a second connecting seat 231, a fourth horn 232 connected with the second connecting seat 231, a fourth loudspeaker 233 arranged on the fourth horn 232, and a fourth sound outlet hole 234 arranged on the fourth horn 232, the fourth sound outlet hole 234 is spaced apart from and oppositely arranged with the second sound outlet hole 216. Specifically, the fourth horn 232 is connected to the second connecting seat 231, the fourth loudspeaker 233 is arranged on the fourth horn 232, and the sound waves emitted from the fourth loudspeaker 233 are transmitted to the outside through the fourth sound outlet hole 234. Since the fourth sound outlet hole 234 is spaced apart from and oppositely arranged with the second sound outlet hole 216, the sound pressure is strengthened after the two sound waves are superimposed, and the sound amplification effect is good.

[0038] The rod body 1 of the embodiment comprises a first supporting rod 11 and a second supporting rod 12 connected with the first supporting rod 11, both ends of the first supporting rod 11 are provided with a first mounting seat 13 and a first mounting hole 14 arranged on the first mounting seat 13, both ends of the second supporting rod 12 are provided with a second mounting seat 15 and a second mounting hole 16 arranged on the second mounting seat 15. Specifically, the first supporting rod 11 and the second supporting rod 12 are in contact with each other, the first mounting hole 14 is provided with a plurality of first mounting holes 14, and the plurality of first mounting holes 14 are uniformly arranged on the first mounting seat 13. The second mounting hole 16 is provided with a plurality of second mounting holes 16, and the plurality of second mounting holes 16 are uniformly arranged on the second mounting seat 15, so that the first mounting seat 13 and the second mounting seat 15 are tightly attached, the plurality of first mounting holes 14 and the plurality of second mounting holes 16 are aligned, and the screws in the outside are conveniently passed through the first mounting hole 14 and connected and fixed in the second mounting hole 16, realizing the assembly connection between the first supporting rod 11 and the second supporting rod 12.

[0039] The first connecting seat 221 of the embodiment is provided with the lightning rod 3 and the light alarm 4, and the second connecting seat 231 is connected with the first supporting rod 11. Specifically, the lightning rod 3 and the light alarm 4 are arranged at intervals in the first connecting seat 221, the metal rod tip of the lightning rod 3 is connected with lightning, and the lower end of the metal rod is connected with the ground. The lightning rod 3 can be used to protect the power line and the communication line from direct lightning strikes. The light alarm 4 visually warns the surrounding people and keeps them alert to potential dangers. The second connecting seat 231 is connected with the first supporting rod 11, so that the sound wave device 2 is stably installed on the pole body 1, and the connection is stable and reliable.

[0040] The second supporting rod 12 of the embodiment is provided with the control box 5 and the battery 6 electrically connected with the control box 5, and the control box 5 is electrically connected with the light alarm 4 and the sound wave device 2. Specifically, the control box 5 is electrically connected with the battery 6, and the power endurance is strong, which meets the long-time sound expansion requirement of the sound wave device 2. The operation of the light alarm 4 and the sound wave device 2 is intelligently controlled through the control box 5, and the control is simple.

[0041] The connection between the first supporting rod 11 and the first mounting seat 13 is provided with the first reinforcing rib 17, and the connection between the second supporting rod 12 and the second mounting seat 15 is provided with the second reinforcing rib 18. Specifically, a plurality of first reinforcing ribs 17 are arranged at the connection between the first supporting rod 11 and the first mounting seat 13, so as to improve the structural strength between the first supporting rod 11 and the first mounting seat 13, and the first supporting rod 11 is not easily bent and deformed. A plurality of second reinforcing ribs 18 are arranged at the connection between the second supporting rod 12 and the second mounting seat 15, so as to improve the structural strength between the second supporting rod 12 and the second mounting seat 15, and the second supporting rod 12 is not easily bent and deformed.

[0042] The first dustproof filter screen 26 is arranged between the first sound emitting body 21 and the second sound emitting body 22 and is sleeved on the outside of the first equalizer 24, and the second dustproof filter screen 27 is arranged between the first sound emitting body 21 and the third sound emitting body 23 and is sleeved on the outside of the second equalizer 25. Specifically, the first dustproof filter screen 26 is located between the first sound emitting body 21 and the second sound emitting body 22 and is sleeved on the outside of the first equalizer 24, and the second dustproof filter screen 27 is located between the first sound emitting body 21 and the third sound emitting body 23 and is sleeved on the outside of the second equalizer 25. The first dustproof filter screen 26 and the second dustproof filter screen 27 not only have light and thin volume and good sound transmission property, but also do not affect the sound propagation to the outside, and effectively block dust and water vapor from entering the inside, so as to have good dustproof and waterproof performance.

[0043] The first sound generating body 21 and the second sound generating body 22 and the first sound generating body 21 and the third sound generating body 23 are both provided with connecting columns 28, the connecting columns 28 are provided with multiple and multiple connecting columns 28 are arranged around the circumference of the first sound generating body 21, the second sound generating body 22 and the third sound generating body 23. Specifically, as preferred, the connecting columns 28 are provided with eight, four connecting columns 28 are arranged around the circumference between the first sound generating body 21 and the second sound generating body 22, and the other four connecting columns 28 are arranged around the circumference between the first sound generating body 21 and the third sound generating body 23, the stress uniformity is good, the connection is stable and reliable, and the good overall structural strength is ensured.

[0044] The above is only a preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, the specific implementation and application range will be changed, and the content of the specification should not be understood as a limitation of the present application.

Claims

1. A high sound pressure level omnidirectional sound amplification mechanism, characterized by: The invention comprises a rod body and a sound wave device arranged on the rod body, wherein the sound wave device comprises a first sound-emitting body, a second sound-emitting body arranged spaced apart from the first sound-emitting body, a third sound-emitting body, a first equalizer arranged between the first sound-emitting body and the second sound-emitting body, and a second equalizer arranged between the first sound-emitting body and the third sound-emitting body, wherein the central axes of the first sound-emitting body, the second sound-emitting body, the third sound-emitting body, the first equalizer, and the second equalizer coincide with each other.

2. The high sound pressure level omnidirectional sound amplification mechanism according to claim 1, characterized in that: The first sound-emitting body includes a first horn, a first speaker arranged on the first horn, a first sound outlet provided on the first horn, a second horn connected to the first horn, a second speaker arranged on the second horn, and a second sound outlet provided on the second horn. The first horn and the second horn are arranged to form a sound propagation space, and the first speaker and the second speaker are arranged in an upper and lower interval.

3. The high sound pressure level omnidirectional sound amplification mechanism according to claim 2, characterized in that: The second sound-emitting body includes a first connecting seat, a third horn connected to the first connecting seat, a third speaker arranged on the third horn, and a third sound hole arranged on the third horn. The third sound hole is spaced apart from and opposite to the first sound hole.

4. The high sound pressure level omnidirectional sound amplification mechanism according to claim 3, characterized in that: The third sound-emitting body includes a second connecting seat, a fourth horn connected to the second connecting seat, a fourth speaker arranged on the fourth horn, and a fourth sound hole arranged on the fourth horn. The fourth sound hole is spaced apart from and opposite to the second sound hole.

5. The high sound pressure level omnidirectional sound amplification mechanism according to claim 4, characterized in that: The rod body includes a first support rod and a second support rod connected to the first support rod, both ends of the first support rod are provided with a first mounting seat and a first mounting hole provided on the first mounting seat, and both ends of the second support rod are provided with a second mounting seat and a second mounting hole provided on the second mounting seat.

6. The high sound pressure level omnidirectional sound amplification mechanism according to claim 5, characterized in that: The first connecting seat is provided with a lightning rod and a light alarm, and the second connecting seat is connected to the first support rod.

7. The high sound pressure level omnidirectional sound amplification mechanism according to claim 6, characterized in that: The second support rod is provided with a control box and a battery electrically connected to the control box. The control box is electrically connected to the light alarm and the sound wave device.

8. The high sound pressure level omnidirectional sound amplification mechanism according to claim 5, characterized in that: A first reinforcing rib is provided at a connection between the first support rod and the first mounting seat, and a second reinforcing rib is provided at a connection between the second support rod and the second mounting seat.

9. The high sound pressure level omnidirectional sound amplification mechanism according to claim 1, characterized in that: A first dust-proof filter net is provided between the first sound-emitting body and the second sound-emitting body, and the first dust-proof filter net is sleeved on the outside of the first equalizer. A second dust-proof filter net is provided between the first sound-emitting body and the third sound-emitting body, and the second dust-proof filter net is sleeved on the outside of the second equalizer.

10. The high sound pressure level omnidirectional sound amplification mechanism according to claim 1, characterized in that: Connecting columns are provided between the first sounding body and the second sounding body and between the first sounding body and the third sounding body. There are multiple connecting columns, and the multiple connecting columns are arranged around the circumference of the first sounding body, the second sounding body, and the third sounding body.

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