CN112437387A

CN112437387A - Bar-shaped sound box capable of improving sound effect

Info

Publication number: CN112437387A
Application number: CN202011382891.3A
Authority: CN
Inventors: 李癸辛; 冯米奥; 杜小微
Original assignee: Shenzhen Fuyuan Digital Technology Co ltd
Current assignee: Shenzhen Fuyuan Digital Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-03-02

Abstract

The invention provides a bar-shaped sound box capable of improving sound effect, which is characterized by comprising the following components: the loudspeaker assembly and the power amplifier assembly are arranged in the sound box shell, the partition plate assembly is arranged between the loudspeaker assembly and the power amplifier assembly, and the left cover assembly and the right cover assembly are respectively arranged on the left side and the right side of the sound box shell; the loudspeaker assembly comprises a top loudspeaker and a top loudspeaker mounting seat, a mounting seat notch for mounting the top loudspeaker mounting seat is formed in the sound box shell, and the top loudspeaker is arranged on the sound box shell through the top loudspeaker mounting seat; the direction of the top horn is different from the other horn directions of the horn assembly. The invention can increase the top surround sound channel in the limited space, thereby enhancing the sense of reality and further expanding the infection range of sound effect, and the omnidirectional sound effect is very good.

Description

Bar-shaped sound box capable of improving sound effect

Technical Field

The invention relates to a bar sound box, in particular to a bar sound box capable of improving sound effect.

Background

A sound bar (english: Soundbar) is a sound box with stereo effect, and is usually placed above or below a screen, and based on acoustic consideration, the sound box is mostly designed in a long strip shape; the bar-type sound box is generally designed into multiple channels, a plurality of loudspeakers are arranged in the bar-type sound box, sound rebounds on a wall to simulate a three-dimensional effect, and the bar-type sound box has the advantages of being easy to install and avoiding the trouble of a traditional loudspeaker stay wire. However, the size of the conventional soundbar is limited, so that it is difficult to add a TOP (TOP) surround sound channel without changing the size, which is not favorable for further improving the sound effect and optimizing the function of the soundbar, and the demand of product upgrading cannot be met.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a sound bar capable of increasing a TOP (TOP) surround sound channel in a limited space and improving sound effect by optimizing functions on the basis.

In view of the above, the present invention provides a sound bar capable of improving sound effect, comprising: the loudspeaker assembly and the power amplifier assembly are arranged in the sound box shell, the partition plate assembly is arranged between the loudspeaker assembly and the power amplifier assembly, and the left cover assembly and the right cover assembly are respectively arranged on the left side and the right side of the sound box shell; the loudspeaker assembly comprises a top loudspeaker and a top loudspeaker mounting seat, a mounting seat notch for mounting the top loudspeaker mounting seat is formed in the sound box shell, and the top loudspeaker is arranged on the sound box shell through the top loudspeaker mounting seat; the direction of the top horn is different from the other horn directions of the horn assembly.

The invention is further improved in that the upper part of the top horn mounting seat is provided with a slope mounting surface, and the top horn is mounted on the slope mounting surface.

The invention is further improved in that an included angle between the slope mounting surface and the upper surface of the sound box shell is a preset included angle.

The invention is further improved in that the preset included angle is 20-30 degrees.

The invention has the further improvement that the horn component also comprises a left horn and a right horn which are respectively arranged at the left side and the right side of the top horn mounting seat.

The invention has the further improvement that the number of the horn assemblies is two, and the clapboard assembly is arranged between each horn assembly and the power amplifier assembly.

The invention is further improved in that the baffle plate assembly comprises a baffle plate and an air duct, and the air duct is arranged on one side of the baffle plate close to the horn assembly.

The loudspeaker box further comprises a speaker mesh and a speaker mesh pressing bar, wherein the speaker mesh is arranged on the sound box shell, and the speaker mesh pressing bar is arranged at the bottom of the sound box shell.

The power amplifier further comprises a control assembly, wherein the control assembly comprises a display screen, a silica gel key, a key support and a key PCB (printed circuit board), the silica gel key is arranged above the key PCB through the key support, and the key PCB is arranged above the power amplifier assembly; the display screen is arranged on the sound box shell.

The power amplifier module comprises a power amplifier module and a power amplifier rear shell, and the power amplifier module is arranged in the sound box shell through the power amplifier rear shell.

Compared with the prior art, the invention has the beneficial effects that: the loudspeaker assembly comprising the TOP loudspeaker and the TOP loudspeaker mounting seat is arranged in the sound box shell, the partition plate assembly is arranged between the loudspeaker assembly and the power amplifier assembly, and the direction of the TOP loudspeaker is different from the directions of other loudspeakers of the loudspeaker assembly, so that a TOP (TOP) surrounding sound channel can be added in a limited space, the sense of reality is enhanced, the infection range of sound effect is further expanded, the high requirement of angular frequency response attenuation is met, the limitation of the sound channel and the space is avoided, and the omnidirectional sound effect is very good; on this basis, can also avoid loudspeaker subassembly to influence power amplifier subassembly, be convenient for realize further function optimization.

Drawings

FIG. 1 is a schematic illustration of an explosive structure according to one embodiment of the present invention;

FIG. 2 is an exploded view of the horn assembly of one embodiment of the present invention;

fig. 3 is a partially enlarged schematic view of a connection structure among the speaker enclosure, the speaker mesh, and the speaker mesh molding according to an embodiment of the present invention.

Detailed Description

Preferred embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, this embodiment provides a sound bar capable of improving sound effect, including: the loudspeaker assembly and the power amplifier assembly are arranged in the sound box shell 2, the baffle plate assembly is arranged between the loudspeaker assembly and the power amplifier assembly, and the left cover assembly 1 and the right cover assembly 3 are respectively arranged on the left side and the right side of the sound box shell 2; the loudspeaker assembly comprises a top loudspeaker 4 and a top loudspeaker mounting seat 5, a mounting seat notch for mounting the top loudspeaker mounting seat 5 is formed in the sound box shell 2, and the top loudspeaker 4 is arranged on the sound box shell 2 through the top loudspeaker mounting seat 5; the direction of the top horn 4 is different from the other horn directions of the horn assembly.

The left cover assembly 1 and the right cover assembly 3 are sound box cover bodies arranged on the left side and the right side of the sound box shell 2, and decorative parts are preferably arranged on the sound box cover bodies; the sound box shell 2 is a main shell; the power amplifier assembly comprises a power amplifier module 16 and a power amplifier rear shell 17, and the power amplifier module 16 is arranged in the sound box shell 2 through the power amplifier rear shell 17, so that circuit functions such as power amplification and the like can be realized conveniently; the baffle plate assembly is for setting up in separation device between loudspeaker subassembly and the power amplifier subassembly shakes the work of direct transmission and influence other subassemblies when avoiding loudspeaker subassembly work, can guarantee the audio, and also will simultaneously power amplifier subassembly's heat separates the shelves, avoids the too much transmission of heat extremely loudspeaker subassembly department. It is worth mentioning that the baffle plate assembly of this example includes baffle 8 and dryer 9, dryer 9 set up in baffle 8 is close to one side of loudspeaker subassembly, dryer 9 is for being used for the tubular component of ventilation, that is to say, as shown in fig. 1, baffle 8 is not the totally enclosed baffle, but has the baffle of dryer 9 intercommunication, and the benefit of design like this can enough reduce mutual influence, can also be through ingenious design in the aspect of the structure for the produced air current of loudspeaker vibrations in the loudspeaker subassembly, through the radiator 18 of dryer 9 output and force for power amplifier module 16, the air flow is accelerated initiatively in the during operation, and the help complete machine dispels the heat, in order to reach better energy utilization effect.

As shown in fig. 1, the number of the horn assemblies in this embodiment is two, and the partition plate assembly is disposed between each horn assembly and the power amplifier assembly; the preferred independent sealed of carrying out alone to every loudspeaker subassembly of this example, guarantee that every loudspeaker subassembly during operation can not be because of there being the air current output mutual interference, and then reach better audio effect.

As shown in fig. 1 and 2, a slope mounting surface 501 is provided at an upper portion of the top horn mounting seat 5, and the top horn 4 is mounted on the slope mounting surface 501; the included angle between the slope mounting surface 501 and the upper surface of the sound box shell 2 is a preset included angle, and the preset included angle is preferably 20-30 degrees. It is worth mentioning that the slope installation surface 501 is inclined forwards and downwards by 20 to 30 degrees from the upper surface of the sound box shell 2, as shown in fig. 1, the TOP horn 4 is installed on the slope installation surface 501 inclined forwards and downwards by 20 to 30 degrees instead of being directly installed on the flat sound box shell 2, so that the space can be effectively reduced, the frequency response of a TOP (TOP) sound channel meets the requirement of high angular frequency response attenuation (namely high directivity), it is worth mentioning that the design requirements of the slope installation surface 501, the installation position and the preset included angle are strict and special, the sound effect of the slope installation surface 501 and the installation position can be influenced slightly differently, the professional skill of an electroacoustic engineer is tested greatly, the design requirements can be met only by modifying and testing angles, cavities, phase guide holes and the like for many times, and the creative labor of an inventor is combined, and are not conventional or common general knowledge in the art. Adaptively, a mounting base 502 is further arranged below the top horn mounting base 5 in this embodiment, and the bottom structure of the mounting base 502 is in a shape matched with the inclined design of the top horn 4, so as to facilitate the fixing and protecting effects of the top horn 4 together with the gradient mounting surface 501.

As shown in fig. 1, the horn assembly further includes a left horn 6 and a right horn 7, the left horn 6 and the right horn 7 are respectively disposed on the left and right sides of the top horn mounting seat 5, the preferred direction of the left horn 6 and the right horn 7 is toward the user, the direction of the top horn 4 is different, and the included angle between the left horn 6 and the right horn is fixed, so that the omnidirectional sound effect requirement is met.

As shown in fig. 1 and 3, the present embodiment further includes a speaker mesh 10 and a speaker mesh bead 11, wherein the speaker mesh 10 is disposed on the sound box housing 2, and the speaker mesh bead 11 is disposed at the bottom of the sound box housing 2. A first buckling strip 19 is arranged on the outer side edge of the sound box shell 2, and a second buckling strip 20 matched with the first buckling strip 19 is arranged inside the speaker mesh 10, so that the speaker mesh 10 is convenient to mount, and the effect of protecting and decorating the strip-shaped sound box is achieved; a third buckling strip 21 is preferably arranged on the speaker mesh batten 11, and further can be arranged at the bottom of the sound box shell 2 in a buckling manner, so that the speaker mesh 10 can be pressed conveniently; of course, in practice, the snap design may be replaced by another configuration or shape.

As shown in fig. 1, the power amplifier further includes a control component, the control component includes a display screen 12, a silica gel key 13, a key support 14 and a key PCB 15, the silica gel key 13 is disposed above the key PCB 15 through the key support 14, and the key PCB 15 is disposed above the power amplifier component; the display screen 12 is arranged on the sound box shell 2, so that the control and display functions of the bar-type sound box can be conveniently realized.

In summary, in this embodiment, the speaker assembly including the TOP speaker 4 and the TOP speaker mounting seat 5 is disposed in the speaker housing 2, the partition plate assembly is disposed between the speaker assembly and the power amplifier assembly, and the direction of the TOP speaker 4 is different from the other speaker directions of the speaker assembly, such a design can add a TOP (TOP) surround sound channel in a limited space, thereby enhancing the sense of reality and further expanding the infection range of sound effect, satisfying the high requirement of angular frequency response attenuation, and being no longer limited by the sound channel and the space, and the omnidirectional sound effect is very good; on this basis, can also avoid loudspeaker subassembly to influence power amplifier subassembly, be convenient for realize further function optimization.

It has been tested that this example can support up to 128 simultaneous audio objects comprising stationary sound reproduced through all loudspeakers, e.g. a music background or an environmental effect. The ability to reproduce the produced content for home cinema includes all audio objects originating from the original movie, which are placed in three-dimensional space in a manner that is indistinguishable from cinema.

The present example does not depend on sound channels, has extremely high expandability, and can be used for deploying up to 24 and 10 loudspeakers on the ground and the top respectively. In addition, the present embodiment can also realize the sound effect of setting the top, thereby enhancing the sense of reality and further expanding the infection range of the sound effect. The top-set sound effect can be achieved either through the top-set speaker or by using a speaker developed by me, the top horn 4 preferably creates a better top-set sound effect by sending the sound effect up to the roof and then reflecting it down; in practical application, the television is connected to a program source through a single line or Wi-Fi, and the program source comprises a set top box, a streaming media player, a blue-ray player and the like.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. The utility model provides a can improve bar audio amplifier of audio effect which characterized in that includes: the loudspeaker assembly and the power amplifier assembly are arranged in the sound box shell, the partition plate assembly is arranged between the loudspeaker assembly and the power amplifier assembly, and the left cover assembly and the right cover assembly are respectively arranged on the left side and the right side of the sound box shell; the loudspeaker assembly comprises a top loudspeaker and a top loudspeaker mounting seat, a mounting seat notch for mounting the top loudspeaker mounting seat is formed in the sound box shell, and the top loudspeaker is arranged on the sound box shell through the top loudspeaker mounting seat; the direction of the top horn is different from the other horn directions of the horn assembly.

2. The soundbar according to claim 1, wherein the top speaker mounting base is provided with a sloped mounting surface on the top, the top speaker being mounted on the sloped mounting surface.

3. The soundbar according to claim 2, wherein the angle between the sloped mounting surface and the top surface of the cabinet is a predetermined angle.

4. The soundbar according to claim 3, wherein the predetermined included angle is between 20 ° and 30 °.

5. The soundbox according to any one of claims 1 to 4, wherein the speaker assembly further comprises a left speaker and a right speaker, the left speaker and the right speaker being respectively disposed on the left and right sides of the top speaker mounting seat.

6. The sound bar of any one of claims 1-4, wherein the number of the speaker assemblies is two, and the partition plate assembly is disposed between each speaker assembly and the power amplifier assembly.

7. The soundbar according to any one of claims 1 to 4, wherein the baffle assembly comprises a baffle and an air duct, and the air duct is disposed on a side of the baffle close to the speaker assembly.

8. The sound bar of any one of claims 1 to 4, further comprising a speaker mesh and a speaker mesh pressing bar, wherein the speaker mesh is disposed on the sound box housing, and the speaker mesh pressing bar is disposed at the bottom of the sound box housing.

9. The soundbar according to any one of claims 1 to 4, further comprising a control assembly, wherein the control assembly comprises a display screen, a silica gel button, a button support and a button PCB, the silica gel button is arranged above the button PCB through the button support, and the button PCB is arranged above the power amplifier assembly; the display screen is arranged on the sound box shell.

10. The soundbox according to any one of claims 1 to 4, characterised in that the power amplifier module comprises a power amplifier module and a power amplifier back shell, the power amplifier module being arranged in the soundbox casing through the power amplifier back shell.