CN218336382U - Directional sound box system - Google Patents

Abstract

The utility model discloses a directional audio amplifier system, including support frame, directional audio amplifier and electrical apparatus box. The directional sound box is connected with the supporting frame and used for directional sound production. The electrical box is integrated on the support frame and is electrically connected with the directional sound box. The utility model discloses in, the support frame can directly be placed on fixture such as ground, need not to have the installation pole among the service environment, and is low to service environment's requirement, and has saved the step of installation directional audio amplifier and electrical apparatus box, and it is more convenient to use, and in addition, directional audio amplifier system's integrated level is higher, and directional audio amplifier and electrical apparatus box need not the dismouting and can use, have further facilitated directional audio amplifier system and have removed and use.

Description

Directional sound box system

Technical Field

The utility model relates to a directional sound production technical field especially relates to a directional audio amplifier system.

Background

Noise pollution, air pollution and water pollution are three main types of pollution in the modern time, and along with the rapid development of urbanization in China, the number of noise sources is gradually increased, the noise intensity is higher and higher, and the problem of noise pollution is increasingly serious. In recent years, reports that people are disturbed by square dance and school broadcasting influences the life of surrounding residents are frequently reported, and social contradictions and conflicts caused by the reports are frequently generated.

Current directional audio amplifier generally adopts single line loudspeaker array to realize the public address demand, and line loudspeaker array can have better directive property in its dead ahead owing to the interference of sound wave at the radiation in-process. However, since the sound wave has a diffraction effect, the sound wave also has strong directivity right behind, and therefore, in some specific application scenarios, the selection of the arrangement position of the array is also a problem to be considered by the staff.

Because directional audio amplifier sound production has directive property, consequently need install it to certain height so that hear clear sound, and directional audio amplifier is independent among the prior art, under service scene such as campus broadcasting, square dance, generally need install directional audio amplifier with the help of erection poles such as wire pole, lamp pole, so have certain requirement to the installation environment, if do not have the structure such as erection pole in the service environment, then need dispose the erection pole in addition and can realize installing and use. Further, the positions of the installation poles such as the telegraph pole and the lamp pole are fixed, and it is difficult to put the directional sound box at a proper position.

In addition, the existing directional sound box and the corresponding electrical box are arranged in a split manner, and when the directional sound box is used, the directional sound box and the electrical box are required to be installed on the installation rod, so that the installation is inconvenient.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a directional audio amplifier system, it is more convenient to use, can reduce the requirement to service environment.

In order to achieve the above object, the present invention provides a directional sound box system, including:

a support frame;

the directional sound box is connected with the supporting frame and is used for directionally producing sound; and (c) a second step of,

and the electrical box is integrated on the support frame and is electrically connected with the directional sound box.

Furthermore, the angle of the directional sound box relative to the support frame is adjustable.

Furthermore, the directional sound box system further comprises a connecting component connected between the support frame and the directional sound box, wherein the connecting component comprises a connecting frame and an adapter connected between the support frame and the connecting frame.

Further, the link include with the relative connecting plate that sets up of the lateral wall of directional audio amplifier, coupling assembling include with the rotation piece that the lateral wall of directional audio amplifier links to each other, rotate the piece with connecting plate rotatable coupling, coupling assembling still include with the connecting piece that the connecting plate links to each other, the connecting piece is used for fixing the position of directional audio amplifier at different angles.

Furthermore, the connecting plate is provided with a plurality of first through holes, the circle centers of the plurality of first through holes are distributed on a circle taking the axis of the rotating part as the center, the side wall of the directional sound box is provided with at least one second through hole, and the positions of the directional sound box at different angles are fixed by selectively connecting the first through holes and the second through holes through the connecting part.

Furthermore, the adaptor is provided with a flange connected with the support frame, the flange is provided with an arc-shaped hole, and the connecting assembly further comprises a fastener penetrating through the arc-shaped hole and connected with the support frame.

Furthermore, the support frame is equipped with the cavity, the electrical apparatus box is including all locating display screen and audio input module in the cavity, the display screen expose in the support frame, the display screen with directional audio amplifier all with audio input module electricity is connected.

Furthermore, the electrical box comprises a first shell which is connected with the supporting frame and covers the display screen, and the first shell is provided with a door which can be opened and closed.

Furthermore, an outward protruding locking piece is arranged on the outer surface of the supporting frame, the first shell comprises a base plate and a side plate, the base plate is arranged opposite to the display screen, the side plate is connected with the base plate, a positioning hole used for positioning the locking piece and a guide hole communicated with the positioning hole are formed in the side plate, and the guide hole is communicated with the surface, deviating from the base plate, of the side plate.

Furthermore, the directional sound box system further comprises a power module connected with the support frame, the power module is electrically connected with the directional sound box and the electrical box and used for supplying power to the directional sound box and the electrical box, and a base is arranged at the bottom of the support frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, directional audio amplifier system includes the support frame and all sets up directional audio amplifier and electrical apparatus box on the support frame, the support frame can directly be placed on fixings such as ground, it has the installation pole to need not to have in the service environment, low to service environment's requirement, and the electrical apparatus box is integrated to be set up on the support frame, the step of installation directional audio amplifier and electrical apparatus box has been saved, it is more convenient to use, in addition, directional audio amplifier system's integrated level is higher, directional audio amplifier and electrical apparatus box need not the dismouting and can use, further facilitated directional audio amplifier system to remove and use.

2. As an improvement, the angle of the directional sound box relative to the supporting frame is adjustable, so that the sound production area of the directional sound box can be adjusted, and a user can hear the sound produced by the directional sound box more clearly.

3. As the improvement, the electrical apparatus box inlays to be established in the support frame, and is provided with first casing and covers the display screen, can provide good protection to display screen and other electrical apparatus parts, and simultaneously, first casing is provided with the door, has made things convenient for observation and operation to the display screen.

Drawings

Fig. 1 is a schematic structural diagram of a directional sound box system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a directional sound box system and a fixing device for fixing the directional sound box system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a directional sound box system according to an embodiment of the present invention, in which the front and rear end surfaces of the directional sound box are provided with speaker arrays;

FIG. 4 is a side view of the directional enclosure system of FIG. 3;

fig. 5 is a schematic structural view illustrating a directional sound box according to an embodiment of the present invention connected to a supporting frame;

FIG. 6 is a schematic view of the structure shown in FIG. 5 without the directional enclosure;

FIG. 7 is an enlarged view of section I of FIG. 6;

FIG. 8 is a schematic view of the structure of FIG. 5 in another viewing direction;

FIG. 9 is an exploded view of the directional enclosure system shown in FIG. 1;

FIG. 10 is an enlarged view of section II of FIG. 9;

fig. 11 is a schematic structural diagram of a first housing according to an embodiment of the present invention;

FIG. 12 is an enlarged view of section III of FIG. 11;

fig. 13 is a schematic side view of the first housing connected to the support frame according to one embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As shown in fig. 1, the directional speaker system according to the preferred embodiment of the present invention includes a supporting frame 1, a directional speaker 2 and an electrical box 3.

The directional sound box 2 is connected with the support frame 1, the electrical box 3 is integrally arranged on the support frame 1 and is electrically connected with the directional sound box 2, and the directional sound production of the directional sound box 2 can be controlled. For example, the directional sound box 2 and the electrical box 3 may be connected by a signal line, and the signal line may be electrically connected to the directional sound box 2 and the electrical box 3 by plugging.

The support frame 1 can be directly placed on external fixed objects such as the ground, and the like, so that the position of the directional sound box 2 can be conveniently placed. As shown in fig. 1, the supporting frame 1 is provided with a base 13 at the bottom, and the base 13 has a larger area and a larger mass, so that the whole directional sound box system is more stable when placed on the ground. In some embodiments, as shown in fig. 2, a fixing device 5 fixed to the ground by casting may be provided, the fixing device 5 has a plurality of screws 50 exposed out of the ground, when the fixing device is installed, the screws 50 pass through the base 13, and the support frame 1 is fixedly connected to the fixing device 5 by screwing nuts onto the screws 50, so that the fixing effect of the directional sound box system is better.

It can be understood that, because the utility model discloses a directional audio amplifier system has support frame 1, and support frame 1 can directly place on external fixture, consequently, very big has made things convenient for directional audio amplifier 2's use. When directional audio amplifier 2 uses, only need install it on support frame 1, link to each other with electrical apparatus box 3 through the signal line, then with support frame 1 place suitable position can, need not to rely on installation poles such as wire pole, lamp pole among the on-the-spot environment to install, greatly reduced the requirement to service environment. Furthermore, the electric appliance box 3 is integrally arranged on the support frame 1, the step of installing the electric appliance box 3 is omitted, the position of installing the electric appliance box 3 does not need to be considered, the directional sound box system can be integrally sold and moved, and the use is more convenient.

The directional sound box 2 includes a speaker array composed of a plurality of speakers, and a sound source is directionally output through the speaker array. The loudspeaker array may be a linear array or an area array. The linear array is, for example, a single-row array in which a plurality of loudspeakers are linearly and horizontally arranged, or a single-column array in which a plurality of loudspeakers are linearly and vertically arranged, and the area array is composed of a plurality of rows or a plurality of columns of linear arrays. The loudspeaker array may be provided on only one surface of the directional sound box 2, as shown in fig. 1 and 2, in which the directional sound box 2 is provided with a single row of loudspeaker arrays arranged horizontally and linearly on the front surface thereof, and can produce sound directionally toward the front. It is also possible to arrange loudspeaker arrays on multiple surfaces of the directional enclosure 2 so that it can directionally sound in multiple directions, as shown in fig. 3 and 4, where the directional enclosure 2 is shown with a single row of loudspeaker arrays on both the front and back sides, which can directionally sound in the front and back directions.

The installation position of the directional sound box 2 is not limited, and for example, the directional sound box may be installed on the top of the support frame 1 or at a position below the top of the support frame 1, and is disposed on the side of the support frame 1. The appliance box 3 is preferably mounted below the top, for example in the middle of the support frame 1. As a preferred embodiment, the directional sound box 2 is connected to the top of the support frame 1, and the electrical box 3 is embedded in the middle of the support frame 1.

Since the directional loudspeaker box 2 is directional sound producing, its sound is only transmitted in a specific area, and no sound or little sound is heard outside the area. In order to facilitate the adjustment of the sound zone of the directional sound box 2 to the position suitable for the human ear to listen to, the utility model discloses in, the angle of the relative support frame 1 of directional sound box 2 is adjustable. In some embodiments, directional loudspeaker 2 may be angled about a horizontal axis to enable sound to be tuned to travel at different height regions; in other embodiments, the directional enclosure 2 may be angled about a vertical axis to enable sound to be tuned to travel in different horizontal areas; in still other embodiments, the directional enclosure 2 can be rotated about both a horizontal axis and a vertical axis, thereby further increasing the range of areas over which sound emitted by the directional enclosure 2 can travel and facilitating adjustment of the directional enclosure 2 to a desired orientation.

In some embodiments, as shown in fig. 5, the directional sound box system further includes a connection assembly 4, and the directional sound box 2 is connected to the top of the support frame 1 through the connection assembly 4. The connecting assembly 4 comprises an adapter 43 connected to the top of the support frame 1 and a connecting frame 40 connected to the adapter 43, wherein the connecting frame 40 is used for mounting the directional sound box 2.

As a preferred embodiment, the angle between the directional sound box 2 and the connecting frame 40 is adjustable, and specifically, the inclination angle of the directional sound box 2 can be adjusted around the horizontal axis, so as to change the angle of the directional sound box 2 relative to the supporting frame 1. As shown in fig. 5 to 8, the connection frame 40 includes a bottom plate 401 connected to the adaptor 43 and two connection plates 400 extending upward from two ends of the bottom plate 401, and the two connection plates 400 are respectively disposed opposite to the two side walls 20 of the directional sound box 2. The connecting assembly 4 includes a rotating member 41 connected to the side wall 20 of the directional sound box 2, and the rotating member 41 is rotatably connected to the connecting plate 400 so that the directional sound box 2 can rotate on the axis of the rotating member 41. The rotating member 41 is preferably a bolt which is screwed with the side wall of the directional sound box 2, the connecting plate 400 is provided with a rotating shaft hole 4001 which is matched and connected with the rotating member 41, and the rotating member 41 is arranged in the rotating shaft hole 4001 in a penetrating way.

The connecting assembly 4 further comprises a connecting member 42 connected to the connecting plate 400, wherein the connecting member 42 is used for fixing the position of the directional loudspeaker box 2 at different angles. With reference to fig. 5 to 7, the connecting plate 400 is provided with a plurality of first through holes 4000, and distances from the first through holes 4000 to the axis of the rotating member 41 are the same, that is, centers of the first through holes 4000 are distributed on a circle centering on the axis of the rotating shaft hole 4001. At least one second through hole is formed in the side wall of the directional sound box 2, and the distance between the second through hole and the rotating member 41 is the same as the distance between the first through hole 4000 and the rotating member 41, so that the second through hole can be aligned with different first through holes 4000 in the process of rotating the directional sound box 2 around the rotating member 41. The current position of the directional sound box 2 can be fixed by connecting the first through hole 4000 and the second through hole through the connecting piece 42, and further, the connecting piece 42 can be selectively connected with different first through holes 4000 and second through holes to fix the positions of the directional sound box 2 at different angles, so that the angle adjustment of the directional sound box 2 is realized. The connecting member 42 may be, for example, a pin or bolt, etc.

In a preferred embodiment, the directional loudspeaker 2 is detachably connected to the connection frame 40. As shown in fig. 6 and 7, in order to facilitate the assembly and disassembly of the directional sound box 2, the connecting plate 400 is provided with a guide channel 4002 communicating the outer peripheral surface 4003 and the rotation shaft hole 4001, when the directional sound box 2 is assembled and disassembled, the directional sound box 2 can be moved, the rotation member 41 can move along the guide channel 4002, when the rotation member 41 enters the rotation shaft hole 4001, the directional sound box 2 can be reliably supported by the connecting plate 400, and when the rotation member 41 is separated from the guide channel 4002, the disassembly of the directional sound box 2 and the connecting frame 40 is realized. Preferably, the guide channel 4002 is communicated with the surface of the connecting plate 400 on the upper side, and the directional sound box 2 can be assembled and disassembled on the connecting frame 40 by lifting and placing the directional sound box 2.

As a preferred embodiment, the angle of the connecting component 4 relative to the supporting frame 1 is adjustable, and specifically, the angle of the connecting component 4 can be adjusted by taking a vertical axis as a center, so as to adjust the angle of the directional sound box 2 relative to the supporting frame 1. As shown in fig. 8, a flange 430 is provided at a lower portion of the adaptor 43, the flange 430 is provided with a plurality of (e.g., two, three, four, etc.) arc-shaped holes 4300, central axes of the plurality of arc-shaped holes 4300 are identical, the connecting assembly 4 further includes a fastening member 431 threaded with the support frame 1 through the arc-shaped holes 4300, and the connecting assembly 4 is fixed on the support frame 1 through the fastening member 431. When the angle needs to be adjusted, the fastener 431 is loosened, then the connecting assembly 4 is rotated to adjust the angle of the connecting assembly 4, and after the angle is adjusted to a proper angle, the fastener 431 is tightened, wherein the fastener 431 is preferably a bolt. The upper end of the adapter 43 may also be flanged and bolted to the base plate 401 of the connection frame 40.

As shown in fig. 9, the supporting frame 1 is provided with a cavity 10 to enable the electrical box 3 to be integrally disposed in the supporting frame 1. The electrical box 3 comprises a display screen 30 and an audio input module 32 which are both arranged in the cavity 10, and the audio input module 32 is electrically connected with the display screen 30 and the directional sound box 2. The cavity 10 is communicated with the outer side wall of the support frame 1 to form an opening communicated with the outside, and the display screen 30 is exposed out of the support frame 1 from the opening of the cavity 10, so that a user can conveniently watch the content displayed by the display screen 30. The display 30 may be a touch screen or a control button attached to the touch screen to control the directional speaker 2, such as selecting the content to be played, controlling the volume to be played, and so on.

Referring to fig. 1, 2 and 9, in order to protect the display screen 30, the electrical box 3 includes a first housing 31 connected to the support frame 1, and the first housing 31 covers the display screen 30, so as to form a sealed protection space for waterproof and dustproof functions. The first housing 31 is provided with an openable door 310, and when the door 310 is opened, the display 30 can be observed and controlled, and when the door 310 is closed, the internal components such as the display 30 and the audio input module 32 can be protected.

In order to make the appearance more beautiful, the electrical box 3 further comprises a second shell 33, the second shell 33 is also connected with the support frame 1, and the second shell 33 and the first shell 31 are respectively coated on the rear half part and the front half part of the support frame 1, so that the support frame 1 can be coated in the whole circumference, the protection effect can be further improved, and the appearance is improved. The second housing 33 is substantially symmetrically disposed with respect to the first housing 31, but is not provided with the door 310.

The connection manner between the first housing 31 and the second housing 33 and the support frame 1 is not limited, and may be, for example, bolt connection, welding, or clamping.

Preferably, the first housing 31 and the second housing 33 are detachably connected to the support frame 1. As shown in fig. 9 and 10, the outer surface of the supporting frame 1 is provided with a convex locking member 12, specifically, the supporting frame 1 shown in the figure is in a rectangular parallelepiped shape, the locking member 12 is disposed on two opposite side surfaces 11 of the supporting frame 1, the side surfaces 11 are adjacent to the surface of the supporting frame 1 where the display 30 is disposed, and the locking member 12 may be, for example, a bolt screwed with the supporting frame 1. As shown in fig. 11 to 13, the first housing 31 includes a base plate 312 disposed opposite to the display screen 30 and a side plate 311 extending to the side surface 11 of the supporting frame 1, a positioning hole 3110 for positioning the locking piece 12 and a guide hole 3112 communicating with the positioning hole 3110 are opened on an inner surface of the side plate 311, and the guide hole 3112 is located below the positioning hole 3110 and communicates with a surface 3111 of the side plate 311 away from the base plate 312. When the first housing 31 is mounted, the first housing 31 may be moved to move the locking member 12 into the guide hole 3112, and then the first housing 31 is moved further to move the locking member 12 into the positioning hole 3110 along the guide hole 3112, at this time, the first housing 31 is hooked on the locking member 12, and the mounting of the first housing 31 on the supporting frame 1 is completed. The mounting structure between the second housing 33 and the support frame 1 can refer to the mounting structure between the first housing 31 and the support frame 1.

In some embodiments, the directional speaker system further includes a power module connected to the support frame 1, and the power module is electrically connected to the directional speaker 2 and the electrical box 3 and is configured to supply power to the directional speaker 2 and the electrical box 3. Preferably, the power module is arranged in the cavity 10 and is connected with the support frame 1 in a drawing manner, so that the power module can be drawn out of the support frame 1, and the power supply can be conveniently replaced.

The above-mentioned is only the embodiment of the present invention, and other improvements made on the premise of the concept of the present invention are all regarded as the protection scope of the present invention.

Claims (10)

1. A directional loudspeaker system, comprising:

a support frame (1);

the directional sound box (2) is connected with the support frame (1) and is used for directionally sounding; and the number of the first and second groups,

and the electrical box (3) is integrated on the support frame (1) and is electrically connected with the directional sound box (2).

2. A directional loudspeaker system according to claim 1, characterized in that the angle of the directional loudspeaker (2) relative to the support frame (1) is adjustable.

3. A directional loudspeaker system according to claim 1, further comprising a connection assembly (4) connected between the support frame (1) and the directional loudspeaker (2), the connection assembly (4) comprising a connection frame (40) and an adapter (43) connected between the support frame (1) and the connection frame (40).

4. A directional loudspeaker system according to claim 3, wherein the connection frame (40) comprises a connection plate (400) arranged opposite to the side wall (20) of the directional loudspeaker (2), the connection assembly (4) comprises a rotation member (41) connected to the side wall (20) of the directional loudspeaker (2), the rotation member (41) being rotatably connected to the connection plate (400), the connection assembly (4) further comprises a connection member (42) connected to the connection plate (400), the connection member (42) being adapted to fix the position of the directional loudspeaker (2) at different angles.

5. The directional sound box system according to claim 4, wherein the connecting plate (400) is provided with a plurality of first through holes (4000), the centers of the first through holes (4000) are distributed on a circle centered on the axis of the rotating member (41), the side wall (20) of the directional sound box (2) is provided with at least one second through hole, and the first through holes (4000) and the second through holes are selectively connected through the connecting member (42) to fix the positions of the directional sound box (2) at different angles.

6. A directional loudspeaker system according to claim 3, wherein the adapter (43) has a flange (430) connected to the support frame (1), the flange (430) defines an arcuate hole (4300) having a circular arc shape, and the connection assembly (4) further comprises a fastening member (431) passing through the arcuate hole (4300) and connected to the support frame (1).

7. A directional loudspeaker box system according to any one of claims 1 to 6, wherein the support frame (1) is provided with a cavity (10), the appliance box (3) comprises a display screen (30) and an audio input module (32) both arranged in the cavity (10), the display screen (30) is exposed out of the support frame (1), and both the display screen (30) and the directional loudspeaker box (2) are electrically connected with the audio input module (32).

8. A directional sound box system according to claim 7, characterized in that the electrical box (3) comprises a first housing (31) connected to the support frame (1) and covering the display screen (30), the first housing (31) being provided with a door (310) that can be opened and closed.

9. The directional sound box system according to claim 8, wherein the outer surface of the supporting frame (1) is provided with a convex locking member (12), the first housing (31) comprises a base plate (312) opposite to the display screen (30) and a side plate (311) connected to the base plate (312), the side plate (311) is provided with a positioning hole (3110) for positioning the locking member (12) and a guide hole (3112) communicating with the positioning hole (3110), and the guide hole (3112) communicates with a surface (3111) of the side plate (311) facing away from the base plate (312).

10. The directional sound box system according to any one of claims 1 to 6, further comprising a power module connected to the support frame (1), the power module being electrically connected to both the directional sound box (2) and the electrical box (3) for supplying power to the directional sound box (2) and the electrical box (3), wherein a base (13) is disposed at the bottom of the support frame (1).

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