CN213661903U

CN213661903U - Array sound equipment and combined sound equipment capable of expanding sound pressure level of linear sound source

Info

Publication number: CN213661903U
Application number: CN202022252544.0U
Authority: CN
Inventors: 何向斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-07-09
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses an array sound box capable of expanding the sound pressure level of a linear sound source, which comprises a box body, wherein a high pitch unit and a low pitch unit which are basically coaxially matched are arranged in the box body along the front and the back of the sound production direction; when the sound is produced, the rear bass unit and the front treble unit are coupled to form a sound line sound source, so that the sound pressure level of the sound source is improved, and the propagation distance is increased. The utility model discloses well high voice unit's sound source frequency is high, propagation distance is short, and low, the propagation distance of low voice unit's sound source frequency can be through in an audio amplifier box, and the structural layout of stack coupling bass and high pitch sound source line sound source solves that prior art single audio amplifier sound pressure level is not enough, transmission distance is restricted, covers the little technical problem of angle directional control scope perpendicularly. Furthermore, the utility model also discloses a built-up sound, wherein two foretell array stereo set slopes to set up in order to further expand the sound source.

Description

Array sound equipment and combined sound equipment capable of expanding sound pressure level of linear sound source

Technical Field

The utility model relates to a sound equipment technical field, more specifically relates to an array stereo set and built-up sound of expanded line sound source sound pressure level.

Background

The existing sound equipment has more problems: firstly, due to the decoration requirements of halls, a large-scale sound box group cannot be installed in enough space, and the sound box group is reduced in size or installed in some undesirable positions; if a method of smaller volume is adopted, only a few sounds with smaller power can be selected, but the required sound pressure level requirement is difficult to achieve; if the device is installed in an undesirable position, the directivity control capability of the sound is required to be strong so as to accurately cover the target area. Secondly, the conventional sound equipment is difficult to realize ultra-high power due to the limitation of the structure and the electroacoustic design principle, the wave front of the radiated sound wave is spherical wave, and the transmission distance is also limited. Thirdly, the vertical angle of a single linear array sound is generally within 11 degrees, the combined arrays need to be overlapped in a large number to increase the vertical angle to meet the requirement of vertical angle coverage, but the structural distance between the sound is increased, so that larger size distance exists between high tone and middle tone in each sound, the variable coupling is not good enough, sound interference is generated, and the phase consistency is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose is to above-mentioned defect and not enough, through in a stereo set box, the coupling sound source and then the structural layout who strengthens the line sound source, solves the technical problem that prior art list stereo set sound pressure level is not enough, transmission distance is restricted, directional control is weak. To this end, a frequency division array sound capable of extending the sound pressure level of a line sound source is provided.

Another object of the present invention is to provide a frequency division array sound box with good bass diffusion effect.

Another object of the utility model is to further solve the technical problem that single audio amplifier sound pressure level is not enough, vertical coverage angle scope is little, provide a frequency division array stereo set that can make up and use.

In order to achieve the above object, the utility model discloses a specific technical scheme be:

the array sound box capable of expanding the sound pressure level of the linear sound source comprises a box body, wherein a high pitch unit and a low pitch unit which are basically coaxially matched are arranged in the box body along the front and the back of the sound production direction; when the loudspeaker is used for producing sound, the rear bass unit and the front treble unit are coupled to form a sound linear sound source, the two front plane wave treble units are vertically adjacent to each other and are coupled to form the linear sound source, and the two rear 8-inch bass units are vertically adjacent to each other and are arranged to realize the improvement of the sound pressure level and the increase of the propagation distance of the sound source.

The utility model discloses the meaning of well bass unit and the basically coaxial setting of high pitch unit is, utilizes coaxial principle to realize the coupling of bass and high pitch, and bass unit and high pitch unit can just to coaxial, some distances that also can stagger.

The high-pitch unit has high sound source frequency and short propagation distance, the low-pitch unit has low sound source frequency and long propagation distance, and the plane wave high-pitch unit is vertically and closely arranged to increase the sound pressure level of the coupled linear sound source, so that sound propagation at a longer distance can be realized.

Preferably, the treble unit includes at least two linearly arranged and adjoining treble sound source bodies.

Preferably, the treble unit includes four vertically linearly arranged and adjoining treble sound source bodies.

Preferably, the high pitch unit is connected with the mounting panel, the tip and the box inner wall connection of mounting panel, be equipped with the leading sound grid on the mounting panel.

Preferably, the bass unit comprises at least two vertically linearly arranged bass sound source bodies.

Preferably, the bass sound source body is connected with the inner wall of the box body through an annular plate.

Preferably, the inner wall of the box body is outwards formed with a flaring structure along the sound production direction from the sound source of the bass unit; the outer wall of the box body forms a horn box body along the sounding direction.

Preferably, a diffusion plate is symmetrically and obliquely arranged outside the high pitch unit along the sound production direction.

Preferably, the high-pitched sound source body is a high-pitched plane wave sound source body.

The utility model discloses a built-up sound equipment, including at least two stereo equipments, wherein, the high pitch unit is close to box top or bottom setting, and the slope sets up between the box, and the inclination can be 0, 7, 14, 21, or 28 degrees; when combined, the boxes are stacked up and down to enable the treble units in different boxes to be adjacent, so that the purposes of increasing sound pressure level and enlarging vertical coverage angle are achieved.

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

the utility model discloses the sound source frequency of well high pitch unit is high, propagation distance is short, and low pitch unit's sound source frequency is low, propagation distance is far away, through arranging two preceding perpendicular next-door neighbour of plane wave high pitch unit and coupling into line sound source, and two 8 very little perpendicular next-door neighbour of bass unit arrange when increasing the sound pressure level of the line sound source of coupling, can realize more distant sound propagation. The technical problems that in the prior art, the sound pressure level of a single sound box is insufficient, the transmission distance is limited, and the pointing control range of the vertical coverage angle is small are solved by superposing and coupling bass and treble sound sources into a linear sound source in the sound box.

On this basis, the utility model discloses well bass unit also through a plurality of bass point sound source bodies along vertical adjacent setting in proper order, realizes that bass point sound source couples into the bass line sound source, and then reinforcing sound pressure level, cover the angle perpendicularly and improve the penetration distance of sound.

Furthermore, the utility model discloses well box inner wall forms the flaring structure towards the appearance by bass sound source of bass unit to realize reinforcing bass diffusion effect.

Still, the utility model discloses a superpose about two stereo sets for the adjacent compound mode of high pitch unit who is arranged in different stereo sets has realized increasing the sound pressure level and has enlarged the purpose of covering the angle perpendicularly. The utility model discloses the perpendicular angle of coverage of well single stereo set can reach 40, and two audio amplifier combinations use and can reach 80 basically.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of an explosion structure inside a sound box in a preferred embodiment of the present invention.

Description of reference numerals:

10 case body, 12 flaring structure, 13 case bottom, 14 handle structure, 15 diffusion plate,

20 bass units, 21 bass point sound source bodies,

30 high pitch units, 31 high pitch sound source bodies,

40 mounting plate, 41 mounting main body, 411 leading grid, 42 connecting end,

50 annular plates.

Detailed Description

The array sound box capable of expanding the sound pressure level of the linear sound source comprises a box body 10, wherein a high pitch unit 30 and a low pitch unit 20 which are basically coaxially matched are arranged in the box body 10 along the front and the back of the sound production direction; during sound production, the rear bass unit 20 and the front treble unit 30 are coupled simultaneously to form a sound line source, thereby increasing the sound pressure level and the propagation distance of the sound source.

The high-pitch unit has high sound source frequency and short propagation distance, the low-pitch unit has low sound source frequency and long propagation distance, the two front plane wave high-pitch units are vertically and closely arranged and coupled into a linear sound source, and the two rear 8-inch low-pitch units are vertically and closely arranged, so that sound propagation at a longer distance can be realized while the sound pressure level of the coupled linear sound source is increased.

In a preferred embodiment, the treble unit 30 comprises at least two treble sound source bodies 31 arranged in an array and adjacent to each other.

In a preferred embodiment, the bass sound source bodies 31 are arranged in a linear array.

In a preferred embodiment, the loud sound source body 31 comprises a high-pitch plane wave sound source body.

In a preferred embodiment, the treble unit 30 and the casing 10 are connected by a mounting plate 40, the mounting plate 40 includes a mounting main body 41 and a connecting end 42, the mounting main body 41 is connected to the treble unit 30, and the connecting end 42 is connected to an inner wall of the casing 10.

In a preferred embodiment, the mounting body portion 41 includes a sound guide grill 411 for transmitting sound.

In a preferred embodiment, a symmetrical and inclined diffuser plate 15 is provided outside the treble unit 30 in the sound emitting direction.

In a preferred embodiment, the inner wall of the cabinet 10 is formed with a flare structure 12 outwardly from the sound source of the bass unit 20 in the sound emitting direction.

In a preferred embodiment, the cabinet 10 forms a horn cabinet from bottom to top in the sound emitting direction.

The utility model discloses a built-up sound, including at least two stereo, wherein, high pitch unit 30 is close to box 10 top or bottom setting, and the slope sets up between box 10, and the inclination can be 0, 7, 14, 21, or 28 degrees; in combination, the housings 10 are stacked one on top of the other with the treble units 30 in different housings 10 adjacent to each other for the purpose of increasing sound pressure levels and enlarging the vertical coverage angle.

The present invention will be further described with reference to the following specific examples.

Example 1

This embodiment 1 provides an array sound, the box of the sound is in the shape of "horn", the horn box includes bass mounting structure, treble mounting structure 40, handle 14, aluminium horn diffuser plate 15; the bass mounting structure is arranged on the horn pointed cone part, and the treble mounting structure 40 is arranged on the horn opening part; the bass mounting structure is used for mounting a bass unit, and the treble mounting structure is used for mounting a treble unit. The treble mounting structure includes a wire net 411 installed at an opening of the horn housing 10, and a solid portion 41 of the wire net is connected to the treble unit 30 to fix a position of the treble unit and serve as a sound generating portion of the whole speaker. The bass mounting structure comprises a interlinked mounting plate and a sound amplifying inclined plane; the interlink mounting plate is connected with the array bass unit and is connected with the inner wall of the horn box body, and the sound amplifying inclined plane is integrally formed with the box body and is arranged close to the sound source of the array bass unit; the interlinked mounting plates play a role of supporting and mounting the bass unit, and the sound amplifying inclined plane is used for enlarging the sound source of the bass unit. The handles 14 are arranged at the top and bottom of the horn box 10 for easy carrying. An aluminum horn diffuser plate 15 is provided outside the waveguide horn integrated tweeter unit in the sound source propagation direction for diffusing the sound source of the tweeter unit. Bass unit, including two at least 8 cun bass point sound sources, this 8 cun bass point sound source is woofer, and 8 cun bass point sound sources are along the adjacent setting of vertical direction, have improved the sound pressure level, have increased transmission distance, have enlarged perpendicular cover angle. The high pitch unit is arranged outside the low pitch unit along the sounding direction of the low pitch unit and comprises at least two waveguide horn integrated high pitch plane wave sound sources 31, and the waveguide horn integrated high pitch plane wave sound sources are high pitch units; the two waveguide horn integrated high-pitch plane wave sound sources are arranged in sequence along the vertical direction, and the high-pitch sound sources are vertically arranged in an adjacent mode and coupled into a linear sound source, so that the sound pressure level is improved, the vertical coverage angle is enlarged, and the transmission distance is increased.

Example 2

The bass unit 20 in this embodiment 2 includes two 8-inch bass point sound sources 21, and the two 8-inch bass point sound sources are sequentially disposed along vertical proximity, and are provided with a flare structure 12 (bass horn) for diffusing bass in front of the bass unit 20, and an aluminum diffusion plate 15 (treble horn) having a relative angle of 90 ° for diffusing treble in front of the treble unit 30.

The product configuration in this example 2 can be extended to dual 10 "and dual 12" bass 20.

Example 3

The utility model discloses can also use two bugle audio amplifier combinations, concrete mode is: two bugle audio amplifier 10 superpose from top to bottom, and one of them box is invertd when the combination passes through to hang the connecting piece and superpose two audio amplifiers from top to bottom in order to guarantee that the high pitch unit is adjacent when the combination audio amplifier, realizes the coupling of the high pitch unit of different audio amplifiers.

The present invention has been described in terms of embodiments, but not limitations, and other variations of the disclosed embodiments, as would be readily apparent to one skilled in the art, are intended to be included within the scope of the present invention as defined in the following claims, in view of the description of the present invention.

Claims

1. An array stereo capable of expanding sound pressure level of a line sound source is characterized in that: the loudspeaker box comprises a box body (10), wherein a high pitch unit (30) and a low pitch unit (20) which are basically coaxially matched are arranged in the box body (10) in the front and at the back along the sound production direction; when the sound is produced, the rear bass unit (20) and the front treble unit (30) are coupled to form a sound line sound source, so that the sound pressure level of the sound source is improved and the propagation distance is increased.

2. The scalable line sound source sound pressure level array sound system according to claim 1, wherein: the treble unit (30) comprises at least two linearly arranged and adjoining treble sound source bodies (31).

3. The scalable line sound source sound pressure level array sound system according to claim 2, wherein: the treble unit (30) includes four vertically linearly arranged and adjacent treble sound source bodies (31).

4. The scalable line sound source sound pressure level array sound system according to claim 1, wherein: high pitch unit (30) are connected with mounting panel (40), the tip and box (10) inner wall connection of mounting panel (40), be equipped with on mounting panel (40) and lead sound grid (411).

5. The scalable line sound source sound pressure level array sound system according to claim 1, wherein: the bass unit (20) comprises at least two vertically linearly arranged bass sound source bodies (21).

6. The scalable line sound source sound pressure level array sound system of claim 5, wherein: the low-sound source body (21) is connected with the inner wall of the box body (10) through an annular plate (50).

7. The scalable line sound source sound pressure level array sound system according to claim 1, wherein: the inner wall of the box body (10) is outwards formed into a flaring structure (12) from the sound source of the bass unit (20) along the sound production direction; the outer wall of the box body (10) forms a horn box body along the sound production direction.

8. The scalable line sound source sound pressure level array sound system according to claim 1, wherein: a diffusion plate (15) is symmetrically and obliquely arranged outside the high pitch unit (30) along the sound production direction.

9. The scalable line sound source sound pressure level array sound system according to claim 2, wherein: the high-pitch sound source body (31) is a high-pitch plane wave sound source body.

10. An audio set, characterized in that: array sound comprising at least two expandable linear sound source sound pressure levels according to any of claims 1-9, wherein the treble units (30) are arranged close to the top or bottom of the cabinet (10), the cabinet (10) is arranged at an angle, and the angle of inclination can be 0, 7, 14, 21 or 28 degrees; in combination, the housings (10) are stacked one above the other with the treble units (30) in different housings (10) adjacent to each other for the purpose of increasing sound pressure levels and enlarging the vertical coverage angle.