CN221058434U - Miniature loudspeaker module - Google Patents

Abstract

The utility model discloses a miniature loudspeaker module, which comprises a module shell and a single body, wherein the module shell is provided with an inner cavity and an acoustic outlet communicated with the inner cavity and the outside; the single body is arranged in the module shell and divides the inner cavity into a rear cavity and a front cavity communicated with the sound outlet; the single body comprises a basin frame, wherein a gas leakage hole is formed in the basin frame and communicated with the front cavity. The single basin frame is provided with the air leakage hole communicated with the front cavity and the single inner space, so that the air pressure on the inner side and the outer side of the single vibrating diaphragm can be balanced, the bass driving efficiency and the ductility of the miniature loudspeaker module are improved, the low-frequency sound effect is enhanced, and the sound quality of a thicker and powerful low frequency is provided.

Description

Miniature loudspeaker module

Technical Field

The utility model relates to the technical field of electroacoustic converters, in particular to a miniature loudspeaker module.

Background

The micro speaker module is widely applied to portable electronic equipment such as mobile phones, notebook computers, hearing aids and the like.

At present, the common monomer air release mode of miniature speaker module is back chamber air release, but back chamber air release often has the unsmooth problem of air release to monomer inside air takes place comparatively serious compression and tensile, leads to vibrating diaphragm inside and outside atmospheric pressure inconsistent, causes low frequency tone quality relatively poor.

Disclosure of utility model

The utility model mainly aims to provide a miniature loudspeaker module with a novel structure, and aims to solve the problem that the air pressure inside and outside a vibrating diaphragm of a single body in the traditional miniature loudspeaker module is inconsistent.

In order to solve the technical problems, the utility model adopts the following technical scheme: a miniature speaker module comprising:

The module shell is provided with an inner cavity and an acoustic outlet communicated with the inner cavity and the outside;

The single body is arranged in the module shell and divides the inner cavity into a rear cavity and a front cavity communicated with the sound outlet;

The single body comprises a basin frame, wherein a gas leakage hole is formed in the basin frame and communicated with the front cavity.

In an embodiment, the air leakage hole is disposed corresponding to the sound outlet.

In one embodiment, the air leakage hole is communicated with the inner wall surface and the outer wall surface of the basin stand.

In an embodiment, the single body further comprises a mesh cloth arranged on the outer surface of the basin frame, and the mesh cloth covers the air leakage hole.

In an embodiment, the outer surface of the basin frame is provided with a containing groove communicated with the air leakage hole, and at least part of the area of the mesh cloth is contained in the containing groove.

In one embodiment, the entire area of the web is located in the receiving slot.

In one embodiment, the number of the air leakage holes is one or more, and the number of the mesh fabrics is one or more.

In one embodiment, the mesh is circular, oval or polygonal.

In an embodiment, the air vent hole is a round hole, an elliptical hole or a polygonal hole.

In one embodiment, the monomer has a vent passage communicating with the rear cavity.

The utility model has the beneficial effects that: the single basin frame is provided with the air leakage hole communicated with the front cavity and the single inner space, so that the air pressure on the inner side and the outer side of the single vibrating diaphragm can be balanced, the bass driving efficiency and the ductility of the miniature loudspeaker module are improved, the low-frequency sound effect is enhanced, and the sound quality of a thicker and powerful low frequency is provided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a micro-speaker module according to a first embodiment of the present utility model;

Fig. 2 is a schematic structural diagram of a single body in a micro speaker module according to an embodiment of the utility model;

Fig. 3 is a cross-sectional view of a unit in a micro speaker module according to a first embodiment of the present utility model.

Reference numerals illustrate:

1. A module housing; 11. an acoustic outlet; 12. a front cavity;

2. A monomer; 21. a basin stand; 211. a vent hole; 212. a receiving groove; 22. a diaphragm assembly; 23. a magnetic circuit assembly; 24. a vent passage; 25. and (5) screen cloth.

Detailed Description

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to merely for explaining a relative positional relationship, a movement condition, and the like between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In addition, if the meaning of "and/or" is presented throughout this document to include three parallel schemes, taking "and/or" as an example, including a scheme, or a scheme that is satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1 to 3, a first embodiment of the present utility model is as follows: a micro speaker module can be applied to intelligent devices such as mobile phones, intelligent watches, computers and the like.

The miniature loudspeaker module comprises a module shell 1 and a single body 2 arranged in the module shell 1, wherein the module shell 1 is provided with an inner cavity and an acoustic outlet 11 communicated with the inner cavity and the outside; the single body 2 is positioned in the inner cavity and divides the inner cavity into a rear cavity and a front cavity 12 communicated with the sound outlet 11.

The single body 2 comprises a basin frame 21 and a vibration assembly and magnetic circuit assembly 23 which are respectively connected with the basin frame 21, wherein the vibration assembly comprises a vibrating diaphragm assembly 22 and a voice coil which are connected, the vibrating diaphragm assembly 22 comprises a vibrating diaphragm and a dome which are connected, and the voice coil is connected with the vibrating diaphragm or the dome; the magnetic circuit assembly 23 has a magnetic gap for the voice coil to move; the single body 2 is provided with a ventilation channel 24 communicated with the rear cavity, and the ventilation channel 24 is communicated with the inner space of the single body 2.

The basin frame 21 is provided with an air leakage hole 211, and the air leakage hole 211 is communicated with the front cavity 12 and the inner space of the single body 2.

In order to make the air leakage of the air leakage hole 211 smoother, it is preferable that the air leakage hole 211 is disposed corresponding to the sound outlet 11, that is, in this embodiment, the air leakage hole 211 is directly connected to the sound outlet 11; in other embodiments, the air leakage hole 211 may be indirectly connected to the sound outlet 11 through the front cavity 12.

Specifically, the air release holes 211 communicate with the inner wall surface and the outer wall surface of the basin frame 21, thereby realizing communication between the inner space and the outer space of the single body 2.

In order to prevent dust and the like from entering the inner space of the unit 2 through the air leakage holes 211, the unit 2 further includes a mesh cloth 25 provided on the outer surface of the tub 21, and the mesh cloth 25 covers the air leakage holes 211.

Optionally, the outer surface of the basin stand 21 is provided with a receiving groove 212 communicating with the air leakage hole 211, and at least a part of the area of the mesh 25 is received in the receiving groove 212. The accommodating groove 212 is arranged to facilitate positioning and mounting of the mesh 25, so that the production efficiency and production consistency of the single body 2 are improved.

Preferably, the whole area of the mesh 25 is located in the accommodating groove 212, so that the risk that the mesh 25 is scratched so as to separate from the basin stand 21 can be reduced, which is beneficial to ensuring the structural stability of the single body 2.

In this embodiment, the number of the air leakage holes 211 is one, and the number of the mesh fabrics 25 is also one; in other embodiments, the number of the air leakage holes 211 may be plural, where the number of the mesh fabrics 25 may be one or plural, when the number of the mesh fabrics 25 is one, the mesh fabrics 25 cover all the air leakage holes 211, and when the number of the mesh fabrics 25 is plural, the mesh fabrics 25 are arranged in one-to-one correspondence with the air leakage holes 211, or at least one mesh fabric 25 covers plural air leakage holes 211 at the same time.

The mesh 25 is circular, oval or polygonal, and in this embodiment, the mesh 25 is rectangular.

The air leakage hole 211 is a circular hole, an elliptical hole or a polygonal hole, and in this embodiment, the air leakage hole 211 is a rectangular hole.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A miniature speaker module, characterized in that: comprising

The module shell is provided with an inner cavity and an acoustic outlet communicated with the inner cavity and the outside;

The single body is arranged in the module shell and divides the inner cavity into a rear cavity and a front cavity communicated with the sound outlet;

The single body comprises a basin frame, wherein a gas leakage hole is formed in the basin frame and communicated with the front cavity.

2. The micro-speaker module according to claim 1, wherein: the air leakage hole is arranged corresponding to the sound outlet.

3. The micro-speaker module according to claim 2, wherein: the air leakage hole is communicated with the inner wall surface and the outer wall surface of the basin frame.

4. The micro-speaker module according to claim 1, wherein: the single body further comprises a mesh cloth arranged on the outer surface of the basin frame, and the mesh cloth covers the air leakage holes.

5. The micro-speaker module according to claim 4, wherein: the outer surface of the basin frame is provided with a containing groove communicated with the air leakage hole, and at least part of the area of the mesh cloth is contained in the containing groove.

6. The micro-speaker module according to claim 5, wherein: all areas of the mesh cloth are located in the containing grooves.

7. The micro-speaker module according to claim 4, wherein: the number of the air leakage holes is one or more, and the number of the mesh fabrics is one or more.

8. The micro-speaker module according to claim 4, wherein: the mesh cloth is round, oval or polygonal.

9. The micro-speaker module according to claim 1, wherein: the air leakage holes are round holes, elliptical holes or polygonal holes.

10. The micro-speaker module according to claim 1, wherein: the single body is provided with a ventilation channel communicated with the rear cavity.