High-sound-pressure-level directional sound amplification mechanism

Abstract

The utility model relates to the technical field of loudspeakers, in particular to a high-sound-pressure-level directional sound amplification mechanism, which comprises a rod body and a sound wave device arranged on the rod body, and the sound wave device comprises a frame body and a sound box arranged on the frame body. The sound box comprises a horn, a sound amplification column arranged at the horn, an equalizer sleeving the outer side of the sound amplification column and a loudspeaker arranged at the equalizer, the frame body comprises a bottom frame and a movable frame movably hinged to the bottom frame, the sound box is arranged on the movable frame, the bottom frame is arranged on the rod body, the movable frame is provided with a position adjusting groove, and the position adjusting groove is arranged in the position adjusting groove. The bottom frame is provided with fixing holes used in cooperation with the position adjusting grooves. According to the utility model, the position of the sound wave device is adjusted and changed according to the actual use requirement, the directional sound transmission effect is achieved, the sound focusing degree is high, and a listener is ensured to know the specific content clearly.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a high sound pressure level directional sound amplification mechanism. Background Art

[0002] In situations where loudspeakers are needed for sound reinforcement, such as public squares, forest fire prevention areas, chemical plant areas, border defense areas, and customs areas, they are often used to amplify the speaker's voice. This allows for long-distance announcements and warnings, allowing nearby listeners to clearly hear the content and obtain relevant information in a timely manner. However, existing loudspeakers have a simple structure and are generally fixed in one location. They lack appropriate adjustment devices, resulting in an inability to directionally transmit sound within a designated area. They are also susceptible to noise interference and cannot ensure that listeners can clearly understand the specific content. Utility Model Content

[0003] The purpose of the utility model is to address the deficiencies of the existing technology and provide a high sound pressure level directional sound amplification mechanism, which adjusts the position of the sound wave conversion device according to actual use needs, plays the role of directional sound transmission, has a high sound focus, and ensures that the listener can clearly understand the specific content.

[0004] To achieve the above-mentioned objectives, the utility model provides a high sound pressure level directional sound amplification mechanism, comprising a rod body and a sound wave device arranged on the rod body, the sound wave device comprising a frame body and a sound box arranged on the frame body, the sound box comprising a horn, a sound amplification column arranged on the horn, an equalizer arranged on the outside of the sound amplification column, and a speaker arranged on the equalizer, the frame body comprising a base frame and a movable frame movably hinged to the base frame, the sound box being arranged on the movable frame, the base frame being arranged on the rod body, the movable frame being provided with a position adjustment slot, and the base frame being provided with a fixing hole used in conjunction with the position adjustment slot.

[0005] Preferably, the base frame is provided with an assembly hole and an arc-shaped groove, and there are multiple arc-shaped grooves, which are arranged circumferentially around the assembly hole. The top of the rod body is provided with a connecting hole and a fastening hole, and the connecting hole is used in conjunction with the assembly hole, and the fastening hole is used in conjunction with the arc-shaped groove.

[0006] Preferably, the speaker is provided with a mounting frame, a mounting groove is provided on the outside of the speaker, the mounting groove is arranged around the circumference of the speaker, the mounting frame is accommodated in the mounting groove and is sleeved on the outside of the speaker, mounting holes are provided on both sides of the mounting frame, and reinforcement holes are provided around the movable frame for use with the mounting holes.

[0007] Preferably, a dustproof net is provided at one end of the sound box close to the speaker, and a control panel is provided at one end of the sound box away from the speaker.

[0008] Preferably, a lightning rod and a light alarm are provided on the top of the pole body, and a control box is provided on the outside of the pole body. The control box is electrically connected to the light alarm and the sound wave device.

[0009] The beneficial effects of the present invention are as follows: the position of the sound wave conversion device is adjusted according to actual use requirements, so as to achieve the effect of directional sound transmission, with high sound focus, ensuring that the listener can clearly understand the specific content. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Fig. 1 It is a structural diagram of the present utility model.

[0011] Fig. 2 This is a schematic diagram of the rod structure of the utility model.

[0012] Fig. 3 This is a schematic diagram of the exploded structure of the acoustic wave device of the present invention.

[0013] Reference numerals include:

[0014] 1——Rod body 11——Connection hole 12——Fastening hole

[0015] 13 - Lightning rod 14 - Light alarm 15 - Control box

[0016] 2 - Sound wave device 21 - Frame 211 - Base frame

[0017] 212——Moveable frame 213——Position adjustment slot 214——Fixing hole

[0018] 215——Assembly hole 216——Arc groove 217——Reinforcement hole

[0019] 22 - Speaker 221 - Horn 222 - Amplifier

[0020] 223 - Equalizer 224 - Speaker 225 - Mounting frame

[0021] 226——Mounting slot 227——Mounting hole 228——Dust screen

[0022] 229——Control panel. DETAILED DESCRIPTION

[0023] The present invention is described in detail below with reference to the accompanying drawings.

[0024] like Figs. 1 to 3As shown, a high sound pressure level directional sound amplification mechanism of the present invention includes a rod body 1 and a sound wave device 2 arranged on the rod body 1, the sound wave device 2 includes a frame 21 and a sound box 22 arranged on the frame 21, the sound box 22 includes a horn 221, a sound amplification column 222 arranged on the horn 221, an equalizer 223 mounted on the outside of the sound amplification column 222 and a speaker 224 arranged on the equalizer 223, the frame 21 includes a base frame 211 and a movable frame 212 movably hinged to the base frame 211, the sound box 22 is arranged on the movable frame 212, the base frame 211 is arranged on the rod body 1, the movable frame 212 is provided with a position adjustment slot 213, and the base frame 211 is provided with a fixing hole 214 used in conjunction with the position adjustment slot 213.

[0025] The sonic device 2 is mounted on the top of the rod body 1, the speaker 22 is arranged on the movable frame 212, and the bottom frame 211 is arranged on the rod body 1. The movable frame 212 and the bottom frame 211 are movably hinged to enable the speaker 22 to swing up and down relative to the rod body 1 through the frame 21, effectively adjusting the angle direction of the sound propagation of the speaker 22. The speaker 224 is mounted on the horn 221 through the equalizer 223. The sound emitted from the speaker 224 is adjusted and optimized by the horn 221, and then the sound is guided and diffused by the equalizer 223 and propagated to the outside to improve the sound effect, so that the speaker 22 can obtain the optimal acoustic indicators in each frequency band while ensuring a thin structure, output better sound quality, and promote balanced stability and high-definition full coverage of the entire sound field area. The sound expansion column 222 integrally formed with the horn 221 not only helps to improve the overall structural strength, but also lengthens the sound amplification path of the speaker 224, thereby improving the sound pressure level and the sound focus. The utility model adjusts the position of the sound wave conversion device 2 according to actual use requirements, plays a role in directional sound transmission, has a high sound focus, and ensures that the listener can clearly understand the specific content.

[0026] The base frame 211 of this embodiment is provided with an assembly hole 215 and an arcuate slot 216. There are multiple arcuate slots 216, and the multiple arcuate slots 216 are arranged circumferentially around the assembly hole 215. The top of the rod body 1 is provided with a connection hole 11 and a fastening hole 12. The connection hole 11 cooperates with the assembly hole 215, and the fastening hole 12 cooperates with the arcuate slot 216. Specifically, according to actual usage requirements, the base frame 211 is rotated to adjust the rotational position of the base frame 211 on the rod body 1 to increase the azimuth adjustment range of the sound propagation of the speaker 22. External screws are used to pass through the assembly hole 215 and then connected and fixed to the connection hole 11 to initially fix the position of the base frame 211 on the rod body 1. Then, external screws are used to pass through the arcuate slot 216 and then connected and fixed to the fastening hole 12 to further fix the position of the base frame 211 after the adjustment, and the connection is stable and reliable.

[0027] The sound box 22 of the embodiment is provided with a mounting frame 225, the outer side of the sound box 22 is provided with a mounting groove 226, the mounting groove 226 is circumferentially arranged around the sound box 22, the mounting frame 225 is accommodated in the mounting groove 226 and is sleeved on the outer side of the sound box 22, both sides of the mounting frame 225 are provided with mounting holes 227, and the four sides of the movable frame 212 are provided with reinforcing holes 217 which are used in cooperation with the mounting holes 227. Specifically, preferably, two mounting frames 225 are arranged, the mounting frame 225 is accommodated in the mounting groove 226 and is sleeved and clamped at both ends of the sound box 22, a screw outside is used to pass through the mounting hole 227 and is then connected and fixed in the reinforcing hole 217, so that the sound box 22 is fixed at the position of the movable frame 212, and the mounting is simple and convenient.

[0028] The sound box 22 of the embodiment is provided with a dust screen 228 at one end close to the loudspeaker 224, and is provided with a control panel 229 at one end away from the loudspeaker 224. Specifically, the dust screen 228 mainly adopts a specification size of 4.8mm and 600 meshes, effectively prevents water vapor, dust and foreign matters from entering the sound box 22, has good dustproof effect, meets the requirement of 6-level dustproof, has little influence on frequency response, the sound box 22 is intelligently controlled through the control panel 229, and the control operation is convenient.

[0029] The top of the rod body 1 of the embodiment is provided with a lightning rod 13 and a light alarm 14, the outer side of the rod body 1 is provided with a control box 15, and the control box 15 is electrically connected with the light alarm 14 and the sound wave device 2. Specifically, the lightning rod 13 and the light alarm 14 are arranged at intervals on the rod body 1, the metal rod tip end of the lightning rod 13 is connected to lightning, and the lower end of the metal rod is connected to ground, so that lightning can be guided to the predetermined grounding device, the lightning rod 13 can be used to protect power lines and communication lines from direct lightning strikes, the light alarm 14 visually warns and prompts surrounding people to keep alertness to potential dangers, the operation of the light alarm 14 and the sound wave device 2 is intelligently controlled through the control box 15, the intelligent degree is high, and the control box 15 is built-in with a battery and can be used for charging and discharging.

[0030] The above is only a preferred embodiment of the utility model, and for ordinary skilled persons in the art, the specific implementation manner and application range can be changed according to the thought of the utility model, and the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A high sound pressure level directional sound amplification mechanism, characterized by: The invention comprises a rod body and a sound wave device arranged on the rod body, the sound wave device comprises a frame body and a sound box arranged on the frame body, the sound box comprises a horn, a sound amplifying column arranged on the horn, an equalizer arranged on the outside of the sound amplifying column, and a speaker arranged on the equalizer, the frame body comprises a base frame and a movable frame movably hinged to the base frame, the sound box is arranged on the movable frame, the base frame is arranged on the rod body, the movable frame is provided with a position adjustment slot, and the base frame is provided with a fixing hole used in conjunction with the position adjustment slot.

2. The high sound pressure level directional sound amplification mechanism according to claim 1, characterized in that: The base frame is provided with an assembly hole and an arc-shaped groove. There are multiple arc-shaped grooves, and the multiple arc-shaped grooves are arranged circumferentially around the assembly hole. The top of the rod body is provided with a connecting hole and a fastening hole. The connecting hole is used in conjunction with the assembly hole, and the fastening hole is used in conjunction with the arc-shaped groove.

3. The high sound pressure level directional sound amplification mechanism according to claim 1, characterized in that: The speaker is provided with a mounting frame, and a mounting groove is provided on the outside of the speaker. The mounting groove is arranged around the circumference of the speaker. The mounting frame is accommodated in the mounting groove and is sleeved on the outside of the speaker. Mounting holes are provided on both sides of the mounting frame, and reinforcement holes are provided around the movable frame for use with the mounting holes.

4. The high sound pressure level directional sound amplification mechanism according to claim 3, characterized in that: A dustproof net is provided at one end of the sound box close to the speaker, and a control panel is provided at one end of the sound box away from the speaker.

5. The high sound pressure level directional sound amplification mechanism according to claim 1, characterized in that: A lightning rod and a light alarm are arranged on the top of the pole body, and a control box is arranged on the outside of the pole body. The control box is electrically connected to the light alarm and the sound wave device.

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