CN107484094B

CN107484094B - Loudspeaker module

Info

Publication number: CN107484094B
Application number: CN201710748416.5A
Authority: CN
Inventors: 吴树文; 宋威
Original assignee: AAC Technologies Pte Ltd
Current assignee: Jiangsu Jicui Zhongyi Technology Industry Development Co ltd; AAC Technologies Holdings Changzhou Co Ltd
Priority date: 2017-08-28
Filing date: 2017-08-28
Publication date: 2020-04-14
Anticipated expiration: 2037-08-28
Also published as: CN107484094A

Abstract

A loudspeaker module comprises a loudspeaker single body accommodated in an accommodating space, and further comprises an isolation assembly, wherein the isolation assembly divides the accommodating space into a single body accommodating cavity and a filling cavity, sound absorption materials are filled in the filling cavity, the isolation assembly and the loudspeaker single body are arranged at intervals, supporting ribs are convexly arranged on the side wall corresponding to the isolation assembly, and the isolation assembly comprises an upper end part and a lower end part which are oppositely arranged, and a main body part connecting the upper end part and the lower end part; the lower end part is fixed with the bottom wall, the upper end part is clamped and fixed between the top wall and the supporting ribs, and the supporting ribs are supported on one side of the main body part close to the filling cavity and fixed with the main body part.

Description

Loudspeaker module

Technical Field

The invention relates to the field of electroacoustic conversion, in particular to a loudspeaker module.

Background

With the advent of the mobile internet era, the electronic products are updated more and more rapidly, and people have higher and higher requirements on various aspects of performances of the electronic products, one of which is a high-quality music function.

The DBASS polymer nano-scale sound amplification technology has good sound effect and is gradually and widely applied to various electronic products. At present, a DBASS process is usually adopted to prepare a speaker module by firstly pouring DBASS polymer nano-powder into a specific area on a shell, and then arranging mesh to shield the poured polymer nano-powder and then installing speaker monomers. However, the filling amount of the polymer nano-powder cannot be ensured because the filling material is adapted to different installation environments, which limits the shape of the filling area. This affects the amplification effect of the product.

Therefore, it is necessary to provide a new speaker module to solve the above problems.

Disclosure of Invention

The invention provides a novel loudspeaker module group for solving the technical problems of insufficient filling of high molecular nanometer powder and poor sound amplification effect in the prior art, and the specific scheme is as follows:

there is provided a speaker module comprising a bottom wall, a top wall opposite the bottom wall, and side walls extending from the bottom wall toward the top wall, the bottom wall, the side wall and the top wall enclose a containing space, a loudspeaker single body is contained in the containing space, the loudspeaker module also comprises a separation component which extends from the bottom wall to the top wall and is abutted against the top wall, the isolation component divides the containing space into a single containing cavity for containing the loudspeaker single bodies and a filling cavity for containing the sound absorption material, which are arranged at intervals relatively, the filling cavity is filled with sound absorption material, the isolation component and the loudspeaker monomer are arranged at intervals, the side wall is convexly provided with support ribs corresponding to the isolation assembly, and the isolation assembly comprises an upper end part and a lower end part which are oppositely arranged and a main body part connecting the upper end part and the lower end part; the lower end part is fixed with the bottom wall, the upper end part is clamped and fixed between the top wall and the end face of the supporting rib opposite to the top wall, and the supporting rib is supported on one side, close to the filling cavity, of the main body part and fixed with the main body part.

Preferably, the isolation assembly comprises an isolation support and an isolation net attached to the isolation support, and the isolation support comprises a first fixing part opposite to the bottom wall, a second fixing part opposite to the top wall and a connecting part for connecting the first fixing part and the second fixing part; the isolation net comprises a first end part fixed with the first fixing part, a second end part fixed with the second fixing part and an extension part connected with the first end part and the second end part, two ends of the extension part are respectively fixed with the connecting part, the lower end part comprises the first fixing part and the first end part, the upper end part comprises the second fixing part and the second end part, and the main body part comprises the connecting part and the extension part.

Preferably, the second end portion extends from one end of the extending portion to the filling cavity, the first end portion extends from the other end of the extending portion to the single body accommodating cavity, and an orthogonal projection of the second end portion on the bottom wall and an orthogonal projection of the first end portion on the bottom wall do not overlap with each other.

Preferably, the support rib is perpendicular to the bottom wall and extends from the bottom wall towards the isolation assembly.

Preferably, the isolation net is fixed on one side of the isolation support far away from the filling cavity, and the second end portion is clamped between the second fixing portion and the top wall.

Preferably, the isolation net is fixed on one side of the isolation support close to the filling cavity, and the second end portion is clamped between the second fixing portion and the support rib.

Preferably, the inner surface of the top wall is provided with a protruding positioning part in the direction of the bottom wall, and the positioning part and the support rib clamp and fix the upper end part.

Preferably, the isolation support is a hollow frame structure, the connecting portion is provided with a through hole communicated with the isolation net, and the monomer accommodating cavity is communicated with the filling cavity through the isolation net and the through hole.

Preferably, the isolation net is attached to the isolation support, and the second end portion is fixed to the top wall in a gluing mode.

Preferably, the isolation net is attached to the isolation support, and the first end portion is fixed to the bottom wall in a gluing mode.

The loudspeaker module is provided with the isolation assembly, the isolation assembly is fixed on the shell, the accommodating space is divided into two parts, the filling cavity is sealed and isolated from the loudspeaker monomer, and therefore filling materials can be completely filled in the filling cavity, the space can be fully utilized, the sound amplification effect is improved, and the product performance is improved.

Drawings

FIG. 1 is an exploded view of a speaker module according to the present invention;

FIG. 2 is a schematic view of an assembly structure of a speaker module according to the present invention;

FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;

fig. 4 is an enlarged view of a portion B shown in fig. 3.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present invention provides a speaker module 100, which includes a housing 1 having an accommodating space and a speaker unit 2 accommodated in the housing 1.

Wherein the housing 1 comprises an upper housing 11 having a top wall and a lower housing 12 having a bottom wall. At least one of the upper housing 11 and the lower housing 12 has a sidewall extending in a bending manner. The side wall, the top wall and the bottom wall form an accommodating space. Specifically, in the present embodiment, the sidewalls are located on the lower case 12, wherein the sidewalls include two first sidewalls 121 along the long axis direction and two second sidewalls 122 connecting the two first sidewalls 121. The side walls may be in a regular shape parallel to each other or in an irregular structure.

The housing space includes a unit housing chamber 10 for housing the speaker unit 3 and a filling chamber 20 for housing a filling material, which are disposed at an interval. The filling material in the filling cavity 20 is a sound absorbing material, and specifically, the DBASS polymer nano sound amplification technology is adopted in the invention, and DBASS polymer nano powder is poured into the filling cavity 20. The monomer accommodating cavity 10 and the filling cavity 20 are respectively located at the two second sidewalls 122. That is, the monomer accommodating chamber 10 and the filling chamber 20 are arranged in the longitudinal direction.

The loudspeaker module is also provided with an isolation component 4, the isolation component 4 and the loudspeaker monomer 2 are arranged at intervals, and the monomer accommodating cavity 10 and the filling cavity 20 are separated. The partition member 4 includes an upper end portion in a direction close to the top wall, a lower end portion in a direction close to the bottom wall, and a main body portion connecting the upper end portion and the lower end portion. The upper end part is fixedly connected with the top wall, and the lower end part is fixedly connected with the bottom wall.

Specifically, the isolation assembly 4 includes an isolation support 41 and an isolation net 42 attached to the isolation support 41. Wherein the isolation support 41 is fixed on the side wall of the housing 1, and is respectively connected with the upper housing 11 and the lower housing 12 and is sealed and fixed, thereby dividing the accommodating space into two parts, namely, the filling cavity 20 is sealed and isolated from the loudspeaker single body 3. The spacer screen 42 is preferably a breathable spacer screen such as a metal screen, nylon screen, paper, or the like. Specifically, the isolation bracket 41 is a hollow frame structure, and includes a first fixing portion 411 connected to the bottom wall, a second fixing portion 412 connected to the support rib, and a connecting portion 413 connecting the first fixing portion 411 and the second fixing portion 412. The periphery of the isolation net 42 is attached to the first fixing portion 411, the second fixing portion 412 and the connecting portion 413. Further, a through hole for communicating with the isolation net 42 is provided on the connection portion 413, and the single body accommodating chamber 10 and the filling chamber 20 are communicated through the isolation net and the through hole.

The separation net 42 includes a first end 421 fixed to the first fixing portion 411, a second end 422 fixed to the second fixing portion 412, and an extending portion 423 connecting the first end 421 and the second end 422, wherein two ends of the extending portion 423 are respectively fixed to the connecting portion 413. In the present embodiment, the second end portion 422 extends from one end of the extending portion 423 away from the first end portion 421 in the direction of the filling cavity 20, the first end portion 421 extends from the other end of the extending portion 423 in the direction of the cell housing cavity 10, and an orthogonal projection of the second end portion 422 on the bottom wall and an orthogonal projection of the first end portion 421 on the bottom wall do not overlap each other.

The lower end of the isolation assembly 4 includes a first fixing portion 411 and a first end portion 421, the upper end includes a second fixing portion 412 and a second end portion 422, and the main body includes a connecting portion 413 and an extending portion 423.

As shown in fig. 3 and 4, the housing 1 is further provided with a support rib 1201 for fixing the isolation bracket 41, and the support rib 1201 is formed to protrude from the bottom wall toward the top wall and is connected to the side wall. The upper end part of the isolation component 4 is clamped and fixed between the top wall and the end face of the support rib 1201 opposite to the top wall. In this embodiment, two support ribs 1201 are provided, and are respectively located at the two first sidewalls 121. The two support ribs 1201 are a trapezoidal step structure perpendicular to the bottom wall and having a gradually decreasing cross-sectional area from the bottom wall to the top wall, and each support rib includes an inclined surface extending from the bottom wall to the top wall. The isolation component 4 is fully attached to the inclined plane. In the present embodiment, the isolation net is attached to the bottom of the isolation bracket 41, i.e. the surface of the side near the support rib 1201. One side of the isolation net is fixed with the isolation bracket, and the other side of the isolation net is attached to the inclined plane. The support ribs 1201 may be provided on the side of the cell housing chamber 10 or on the side of the filling chamber 20, and in the present embodiment, the support ribs 1201 are supported on the side of the main body of the spacer unit 4 close to the filling chamber 20. The isolation net 42 is fixed on the side of the isolation support 41 away from the filling cavity 20, and the second end portion 422 is sandwiched between the second fixing portion 412 and the top wall. In another preferred embodiment of the present invention, the isolation mesh 42 may be sandwiched between the isolation bracket 41 and the supporting rib 1201, and the second end portion 422 may be sandwiched between the second fixing portion 412 and the supporting rib 1201.

As shown in fig. 2, a positioning portion 1101 protruding in the direction of the bottom wall is provided on the inner surface of the top wall, the positioning portion 1101 is provided opposite to the support rib 1201, and the second fixing portion 412 of the isolation bracket 41 and the second end portion 422 of the isolation net are sandwiched and fixed by the positioning portion 1101 and the support rib 1201. Further, the isolation bracket 41 and the shell 1, and the isolation net 42 and the isolation bracket 41 are sealed by glue, and the first end 421 and the bottom wall are fixed by gluing; the second end 422 is glued and fixed to the top wall, so that the monomer accommodating cavity 10 and the filling cavity 20 can be completely isolated, and the DBASS polymer nano-powder can be fully filled in the filling cavity 20 without affecting the performance of the speaker monomer, and the space can be fully utilized.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are illustrative and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A loudspeaker module comprises a bottom wall, a top wall opposite to the bottom wall and a side wall extending from the bottom wall to the top wall, wherein the bottom wall, the side wall and the top wall enclose an accommodating space, and loudspeaker units are accommodated in the accommodating space; the lower end part is fixed with the bottom wall, the upper end part is clamped and fixed between the top wall and the supporting ribs, and the supporting ribs are supported on one side of the main body part close to the filling cavity and fixed with the main body part; a positioning part protruding towards the bottom wall is arranged on the inner surface of the top wall, and the upper end part is clamped and fixed by the positioning part and the support rib; the isolation assembly comprises an isolation bracket and an isolation net attached to the isolation bracket; the isolation support is of a hollow frame structure, the isolation net is fixed on one side, close to the filling cavity, of the isolation support, and the isolation net is clamped between the isolation support and the support ribs.

2. The speaker module as claimed in claim 1, wherein the isolation bracket comprises a first fixing portion opposite to the bottom wall, a second fixing portion opposite to the top wall, and a connecting portion connecting the first fixing portion and the second fixing portion; the isolation net comprises a first end part fixed with the first fixing part, a second end part fixed with the second fixing part and an extension part connected with the first end part and the second end part, two opposite sides of the extension part are respectively fixed with the connecting part, the lower end part comprises the first fixing part and the first end part, the upper end part comprises the second fixing part and the second end part, and the main body part comprises the connecting part and the extension part; the first end portion is sandwiched between the first fixing portion and the bottom wall.

3. The speaker module as claimed in claim 2, wherein the second end extends from one end of the extension portion to the filling cavity, the first end extends from the other end of the extension portion to the single housing cavity, and an orthogonal projection of the second end on the bottom wall and an orthogonal projection of the first end on the bottom wall do not overlap each other.

4. A speaker module as claimed in claim 3, wherein the ribs extend perpendicularly from the bottom wall and towards the isolation member.

5. The speaker module as claimed in claim 4, wherein the second end portion is sandwiched between the second fixing portion and the support rib.

6. The speaker module as claimed in claim 5, wherein the connection portion is formed with a through hole communicating with the isolation mesh, and the single housing cavity and the filling cavity communicate with each other through the isolation mesh and the through hole.

7. The speaker module as claimed in claim 5, wherein the isolation mesh is attached to the isolation bracket, and the first end is fixed to the bottom wall by gluing.