Modular directional strong sound structure

Abstract

According to the modularized directional strong sound structure provided by the utility model, the loudspeaker sound cavity and the mounting cavity are arranged in the casing, the strong sound directional assembly and the driving assembly are respectively mounted in the casing, the small-caliber end of the strong sound directional assembly is fixed on the mounting plate, and the edge of the large-caliber end is connected with the side wall of the casing through the buckle assembly; the buckle assembly ensures the structural stability of the horn; the front half section of the reflecting cover abuts against the protective net cover, so that the reflecting cover is fixed between the protective net cover and the mounting plate, and the front half section of the reflecting cover is of an arc-shaped closing-up structure, so that the guide cylinder can be stably fixed in the rear half section of the reflecting cover. The device is compact in structure, parts are convenient and fast to install, the strong sound orientation assembly cannot loosen or shake when the device is installed, disassembled and transported, the sound amplification direction and the sound amplification effect are guaranteed, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sound production equipment, especially a modular directional strong sound structure. BACKGROUND

[0002] With the increase of strong sound driving application scenes, such as driving birds in airports, driving wild boars in farms, night patrol in large factories, etc., it is necessary to have certain strong sound driving effect, high efficiency and rapid mobility and directivity, and the directional strong sound equipment can be installed to realize the directional driving function of the target flexibly and mobilely. The directional strong sound device in the prior art is mostly a handheld loudspeaker, which is inconvenient to install on an arbitrary installation platform. At the same time, for the loudspeaker used outdoors for a long time, the output sound pressure and waterproof ability are required to be high, and at present, there is still a lack of such products with small size. SUMMARY

[0003] The utility model provides a modular directional strong sound structure to solve the technical problem proposed in the background art.

[0004] The utility model adopts the technical scheme that:

[0005] The modular directional strong sound structure comprises:

[0006] A shell has a loudspeaker cavity and a mounting cavity; an installation plate is arranged between the loudspeaker cavity and the mounting cavity, and a protective mesh cover is arranged at one end of the loudspeaker cavity away from the installation plate;

[0007] A strong sound directional assembly is installed in the loudspeaker cavity; the strong sound directional assembly comprises a sound source, a flow guide cylinder, a reflection cover and a horn, the horn is in a horn shape, one end of the horn is fixed on the installation plate, the other end of the horn extends towards the protective mesh cover, a buckle assembly is arranged between the end of the horn and the side wall of the shell; the flow guide cylinder is installed in the horn and located on the central axis of the horn, the reflection cover is sleeved outside the flow guide cylinder, the front end of the reflection cover protrudes from the flow guide cylinder and is in contact with the protective mesh cover; a limiting block is arranged between the inner bottom of the horn and the flow guide cylinder to form a mounting space, the sound source is arranged in the mounting space, and a sound transmission cavity communicating with the sound source is arranged in the flow guide cylinder;

[0008] A driving assembly comprises an audio input interface, a power amplifier control unit and a battery assembly; a back plate is arranged at one end of the mounting cavity away from the installation plate, the audio input interface is arranged on the back plate and located outside the shell, the power amplifier control unit and the battery assembly are arranged in the mounting cavity, the input end of the power amplifier control unit is connected with the audio input interface, and the output end of the power amplifier control unit is connected with the sound source.

[0009] As a further preferred embodiment of the present application, the buckle assembly comprises a clamping groove and a buckle, the clamping groove is in the shape of "L", and is arranged at the side wall of the shell near the protective mesh cover, the buckle is in the shape of "J", and is arranged at the end of the number tube, and the edge of the buckle is clamped in the clamping groove to form a buckle structure.

[0010] As a further preferred embodiment of the present application, the buckle and the number tube are integrally processed.

[0011] As a further preferred embodiment of the present application, the flow guide tube is in the shape of a circular column, a sound transmission hole is formed at the rear end of the flow guide tube, and a sound transmission cavity in the flow guide tube is in communication with the sound source through the sound transmission hole.

[0012] As a further preferred embodiment of the present application, the front end of the reflector gradually approaches the middle part, and an arc-shaped connection is formed between the reflector and the protective mesh cover.

[0013] As a further preferred embodiment of the present application, the limiting block is arranged at the periphery of the sound source, and the limiting block is fixedly connected with the number tube, the mounting plate and the flow guide tube through bolts.

[0014] As a further preferred embodiment of the present application, a strip-shaped heat dissipation hole is arranged on the back plate.

[0015] As a further preferred embodiment of the present application, the audio input interface comprises an AUX interface and a MIC interface, and the AUX interface and the MIC interface are respectively connected with the power amplifier control unit.

[0016] As a further preferred embodiment of the present application, an installation part is arranged outside the shell, and the shell is fixedly connected with the installation platform through the installation part.

[0017] Compared with the prior art, the present application has the following advantages or beneficial effects:

[0018] The small-diameter end of the number tube is fixed on the mounting plate, the large-diameter end is connected with the side wall of the shell through the buckle assembly, the buckle assembly ensures the structural stability of the number tube, the front half of the reflector is arranged on the protective mesh cover, the front half of the reflector is fixed between the protective mesh cover and the mounting plate, and the front half of the reflector is in the shape of arc-shaped closing, so that the flow guide tube is stably arranged in the rear half of the reflector. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative labor.

[0020] Figure 1 For modular directional strong sound structure schematic Figure 1 ;

[0021] Figure 2 For modular directional strong sound structure schematic Figure 2 ;

[0022] Figure 3 For modular directional strong sound structure schematic Figure 3 ;

[0023] Figure 4 For buckle connection part enlarged schematic view

[0024] In the figure, 1, the shell, 2, the loudspeaker cavity, 3, the mounting cavity, 4, the mounting plate, 5, the protective mesh cover, 6, the sound source, 7, the flow guide cylinder, 71, the sound transmission cavity, 72, the sound transmission hole, 8, the reflector, 9, the horn, 91, the clamping groove, 92, the buckle, 10, the limiting block, 12, the audio input interface, 121, the AUX interface, 122, the MIC interface, 13, the power amplifier control unit, 14, the battery assembly, 15, the back plate, 151, the heat dissipation hole, 16, the mounting part. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0026] Please refer to the accompanying Figures 1-3 The present embodiment provides a kind of modular directional strong sound structure, including shell 1, shell 1 is equipped with transverse mounting plate 4, the mounting plate 4 will be divided into loudspeaker cavity 2 and mounting cavity 3 in shell 1, shell 1 is the rectangular structure of two ends opening, and two ends are equipped with protective mesh cover 5 and back plate 15 respectively.

[0027] The loudspeaker cavity 2 is provided with a strong sound directional assembly. Specifically, the strong sound directional assembly comprises a sound source 6, a flow guide cylinder 7, a reflecting cover 8 and a horn 9. The horn 9 is trumpet-shaped with an opening facing the protective mesh cover 5. The small-diameter end of the horn 9 is fixed on the mounting plate 4 by bolts, and the large-diameter end is fixedly connected with the side wall of the shell 1 through a buckle assembly. The flow guide cylinder 7 is in the shape of a circular cylinder. The flow guide cylinder 7 is arranged in the horn 9 and located on the central axis of the horn 9. The reflecting cover 8 is sleeved outside the flow guide cylinder 7. The rear half of the reflecting cover 8 is in the shape of a cylinder, which is the same as the flow guide cylinder 7. The front half of the reflecting cover 8 protrudes from the flow guide cylinder 7 and is in contact with the protective mesh cover 5. The front half of the reflecting cover 8 is directed towards the protective mesh cover 5. This structure can stabilize the structure of the reflecting cover 8, so that the reflecting cover 8 is fixed between the protective mesh cover 5 and the mounting plate 4. Preferably, the front half of the reflecting cover 8 gradually converges towards the middle and is connected with the protective mesh cover 5 in an arc shape. The arc-shaped structure can limit the flow guide cylinder 7 in the rear half of the reflecting cover 8, further ensuring the structural stability of the flow guide cylinder 7. The inner bottom of the horn 9 and the flow guide cylinder 7 are provided with a limiting block 10 to form a mounting space. The sound source 6 is arranged in the mounting space. The flow guide cylinder 7 is provided with a sound transmission cavity 71 connected with the sound source 6.

[0028] The mounting plate 4 is provided with a driving assembly. Specifically, the driving assembly comprises an audio input interface 12, a power amplifier control unit 13 and a battery assembly 14. The audio input interface 12 is arranged on the back plate 15 and located outside the shell 1. The power amplifier control unit 13 and the battery assembly 14 are arranged inside the mounting cavity 3. The input end of the power amplifier control unit 13 is connected with the audio input interface 12, and the output end is connected with the sound source 6.

[0029] As shown in Figure 4 The buckle assembly comprises a clamping groove 91 and a buckle 92. The clamping groove 91 is in the shape of "L" and arranged on the side wall of the shell 1 near the protective mesh cover 5. The buckle 92 is in the shape of "Ji" and arranged on the end of the horn 9. The edge of the buckle 92 is clamped in the clamping groove 91 to form a buckle structure. Preferably, the buckle 92 is integrally processed with the horn 9. The buckle assembly can make the mounting structure of the horn 9 more stable and prevent loosening and shaking.

[0030] Further, the rear end of the flow guide cylinder 7 is provided with a sound transmission hole 72, which is located directly below the sound source 6. The sound transmission cavity 71 in the flow guide cylinder 7 is connected with the sound source 6 through the sound transmission hole 72.

[0031] Further, the back plate 15 is provided with strip-shaped heat dissipation holes 151. The back plate 15 is arranged relative to the protective mesh cover 5. The heat dissipation holes 151 on the back plate 15 form an opposite heat dissipation structure with the protective mesh cover 5, which can reduce the temperature of the components in the shell 1 and avoid damage of the components due to overheating during long-term use or use in high temperature.

[0032] Further, the audio input interface 12 comprises an AUX interface 121 and a MIC interface 122, the AUX interface 121 and the MIC interface 122 are connected with the power amplifier control unit 13 respectively, the AUX interface accesses an audio playing device, and the MIC interface accesses a microphone.

[0033] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct or indirect application in other related technical fields based on the content of the present application specification and drawings is also included in the patent protection scope of the present application.

Claims

1. A modular directional sound reinforcement structure, characterized by, Include: The shell (1) has a horn cavity (2) and a mounting cavity (3); the mounting plate (4) is arranged between the horn cavity (2) and the mounting cavity (3), and the end of the horn cavity (2) away from the mounting plate (4) is provided with a protective mesh cover (5); The strong sound directional assembly is installed in the horn cavity (2); the strong sound directional assembly includes a sound source (6), a flow guide cylinder (7), a reflection cover (8) and a horn (9), the horn (9) is horn-shaped, one end is fixed on the mounting plate (4), the other end extends to the direction of the protective mesh cover (5), and the end is provided with a buckle assembly between the side wall of the shell (1); the flow guide cylinder (7) is installed in the horn (9) and located on the central axis of the horn (9), the reflection cover (8) is sleeved outside the flow guide cylinder (7), the front end of the reflection cover (8) protrudes from the flow guide cylinder (7) and contacts the protective mesh cover (5); the inner bottom of the horn (9) and the flow guide cylinder (7) are provided with a limiting block (10) to form a mounting space, and the sound source (6) is arranged in the mounting space; the flow guide cylinder (7) is provided with a sound transmission cavity (71) communicating with the sound source (6); The driving assembly includes an audio input interface (12), a power amplifier control unit (13) and a battery assembly (14); the end of the mounting cavity (3) away from the mounting plate (4) is provided with a back plate (15), the audio input interface (12) is arranged on the back plate (15) and located outside the shell (1), the power amplifier control unit (13) and the battery assembly (14) are arranged in the mounting cavity (3), the input end of the power amplifier control unit (13) is connected with the audio input interface (12), and the output end is connected with the sound source (6).

2. The modular directional sound structure of claim 1, wherein, The buckle assembly includes a clamping groove (91) and a buckle (92); the clamping groove (91) is "L"-shaped, arranged on the side wall of the shell (1) close to the protective mesh cover (5), the buckle (92) is "J"-shaped, arranged on the end of the horn (9), and the edge of the buckle (92) is clamped in the clamping groove (91) to form a buckle structure.

3. The modular directional sound structure of claim 2, wherein, The buckle (92) and the horn (9) are integrally processed.

4. The modular directional sound structure of claim 1, wherein, The flow guide cylinder (7) is a circular column structure, the rear end of the flow guide cylinder (7) is provided with a sound transmission hole (72), and the sound transmission cavity (71) in the flow guide cylinder (7) communicates with the sound source (6) through the sound transmission hole (72).

5. The modular directional sound structure of claim 1, wherein, The front end of the reflection cover (8) and the protective mesh cover (5) form an arc-shaped connection.

6. The modular directional sound structure of claim 1, wherein, The limiting block (10) is arranged on the periphery of the sound source (6), and the limiting block (10) is fixedly connected with the horn (9), the mounting plate (4) and the flow guide cylinder (7) through bolts.

7. The modular directional sound structure of claim 1, wherein, The back plate (15) is provided with strip-shaped heat dissipation holes (151).

8. The modular directional sound structure of claim 1, wherein, The audio input interface (12) comprises an AUX interface (121) and a MIC interface (122), and the AUX interface (121) and the MIC interface (122) are connected with the power amplifier control unit (13) respectively.

9. The modular directional sound structure of claim 1, wherein, The shell (1) is externally provided with a mounting portion (16), and the shell (1) is connected and fixed with a mounting platform through the mounting portion (16).

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