CN219876088U - Loudspeaker module - Google Patents
Loudspeaker module Download PDFInfo
- Publication number
- CN219876088U CN219876088U CN202320902510.2U CN202320902510U CN219876088U CN 219876088 U CN219876088 U CN 219876088U CN 202320902510 U CN202320902510 U CN 202320902510U CN 219876088 U CN219876088 U CN 219876088U
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- CN
- China
- Prior art keywords
- magnetic steel
- loudspeaker
- auxiliary magnetic
- shell
- loudspeaker module
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 64
- 239000010959 steel Substances 0.000 claims abstract description 64
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 239000000178 monomer Substances 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model discloses a loudspeaker module, which comprises a loudspeaker monomer, a first shell and auxiliary magnetic steel, wherein a fence for installing the loudspeaker monomer is arranged on the first shell, and an installation groove is formed in the inner side of the fence; the auxiliary magnetic steel is at least partially accommodated in the mounting groove. The auxiliary magnetic steel is additionally arranged, so that the magnetic field intensity of the loudspeaker single body can be effectively enhanced, the BL value of the loudspeaker module is improved, the sensitivity of the loudspeaker module is improved, and the effect of enhancing the acoustic performance of the loudspeaker module is achieved. Moreover, the mounting groove for accommodating the auxiliary magnetic steel is formed in the inner side of the enclosure of the loudspeaker module, so that the auxiliary magnetic steel can be conveniently positioned and mounted, the additional arrangement of the auxiliary magnetic steel can be ensured, the rear cavity volume and the whole volume of the loudspeaker module can not be influenced, and the loudspeaker module can be kept miniaturized.
Description
Technical Field
The present disclosure relates to electroacoustic transducers, and particularly to a speaker module.
Background
The micro speaker module is widely applied to portable electronic equipment such as mobile phones, notebook computers, hearing aids and the like. With the rapid development of these portable electronic devices, the requirements of miniature electroacoustic devices applied thereto are also increasing.
With the development of society, the micro-speaker needs to improve performance as much as possible in a limited space, and the performance of the conventional speaker module using the single voice coil architecture has been maximized, so that the improvement of the performance of the speaker module becomes more difficult.
Disclosure of Invention
The technical problems solved by the utility model are as follows: a high performance speaker module is provided.
In order to solve the technical problems, the utility model adopts the following technical scheme: a speaker module, comprising:
a speaker unit;
the loudspeaker comprises a first shell, a second shell and a third shell, wherein a fence for installing the loudspeaker unit is arranged on the first shell, and an installation groove is formed in the inner side of the fence;
the auxiliary magnetic steel is at least partially accommodated in the mounting groove.
In an embodiment, the auxiliary magnetic steel is fixedly connected with the first shell.
In an embodiment, the auxiliary magnetic steel is clamped, glued, insert injection-molded or fastened with the first housing by a first fastener.
In an embodiment, the auxiliary magnetic steel is fixedly connected with the speaker unit.
In an embodiment, the auxiliary magnetic steel is glued with the speaker unit or fastened and connected through a second fastener; or the auxiliary magnetic steel and the single side magnetic steel of the loudspeaker are of an integrated structure which is integrally processed and formed.
In an embodiment, the polarity of the auxiliary magnetic steel is the same as the polarity of the side magnetic steel of the speaker unit close to the auxiliary magnetic steel.
In an embodiment, the enclosure is rectangular frame-shaped, and the four inner walls of the enclosure are respectively provided with the mounting grooves, and each mounting groove accommodates the auxiliary magnetic steel.
In an embodiment, the first housing has a support surface for supporting the speaker unit, and the bottom surface of the mounting groove is coplanar with the support surface.
In an embodiment, the mounting groove communicates with a face of the enclosure remote from the first housing.
In an embodiment, the mounting groove is communicated with the outer wall of the enclosure, or the mounting groove is not communicated with the outer wall of the enclosure.
The utility model has the beneficial effects that: the auxiliary magnetic steel is additionally arranged, so that the magnetic field intensity of the loudspeaker single body can be effectively enhanced, the BL value of the loudspeaker module is improved, the sensitivity of the loudspeaker module is improved, and the effect of enhancing the acoustic performance of the loudspeaker module is achieved. Moreover, the mounting groove for accommodating the auxiliary magnetic steel is formed in the inner side of the enclosure of the loudspeaker module, so that the auxiliary magnetic steel can be conveniently positioned and mounted, the additional arrangement of the auxiliary magnetic steel can be ensured, the rear cavity volume and the whole volume of the loudspeaker module can not be influenced, and the loudspeaker module can be kept miniaturized.
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 an internal structure of a speaker module according to a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a part of a speaker module according to a first embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a first housing in a speaker module according to an embodiment of the utility model.
Reference numerals illustrate:
1. a speaker unit;
2. a first housing; 21. a surrounding baffle; 22. a mounting groove; 23. a support surface;
3. and (5) auxiliary magnetic steel.
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, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that 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 utility model, 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 utility model 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 loudspeaker module can be applied to electronic equipment such as mobile phones, notebook computers, hearing aids and the like.
The loudspeaker module comprises a loudspeaker monomer 1, a first shell 2 and auxiliary magnetic steel 3, wherein a surrounding baffle 21 for installing the loudspeaker monomer 1 is arranged on the first shell 2, an installation groove 22 is formed in the inner side of the surrounding baffle 21, and at least part of the auxiliary magnetic steel 3 is accommodated in the installation groove 22.
Specifically, speaker monomer 1 includes the basin frame and locates respectively magnetic circuit subassembly and vibration subassembly on the basin frame, magnetic circuit subassembly includes yoke, center magnet steel, center washer, limit magnet steel and Bian Huasi, center magnet steel and limit magnet steel are located respectively on the yoke, center washer is located center magnet steel is kept away from one side of yoke, bian Huasi locates limit magnet steel is kept away from one side of yoke, in this embodiment, bian Huasi with the basin frame is connected fixedly, center magnet steel is the cuboid form, four sides of center magnet steel are equipped with respectively limit magnet steel.
The polarity of the auxiliary magnetic steel 3 is the same as that of the side magnetic steel of the speaker unit 1 close to the auxiliary magnetic steel, that is, the auxiliary magnetic steel 3 is equivalent to increasing the volume of the side magnetic steel so as to improve the magnetic field strength of the side magnetic steel. In addition, in some embodiments, the area of the speaker unit 1 near the auxiliary magnetic steel 3 is not provided with the edge magnetic steel, but a part of the area of the yoke is folded to form a flanging, and at this time, the auxiliary magnetic steel 3 near the flanging is used for enhancing the overall magnetic field strength of the speaker unit 1.
In this embodiment, the auxiliary magnetic steel 3 is fixedly connected to the first housing 2. The connection mode of the auxiliary magnetic steel 3 and the first housing 2 includes but is not limited to clamping, gluing, insert injection molding connection or fastening connection through a first fastener. The first fastener includes, but is not limited to, a screw.
In other embodiments, the auxiliary magnetic steel 3 may not be connected to the first housing 2, and in this case, the auxiliary magnetic steel 3 is connected to and fixed to the speaker unit 1. The auxiliary magnetic steel 3 is glued with the speaker unit 1 or fastened and connected by a second fastener, wherein the second fastener comprises but is not limited to a screw, a pin and the like; or, the auxiliary magnetic steel 3 and the side magnetic steel of the speaker unit 1 are integrally formed into an integral structure.
In this embodiment, the enclosure 21 is rectangular, four inner walls of the enclosure 21 are respectively provided with the mounting grooves 22, each mounting groove 22 accommodates the auxiliary magnetic steel 3, and each auxiliary magnetic steel 3 corresponds to a different side magnetic steel.
In detail, the mounting groove 22 communicates with a surface of the enclosure 21 away from the first housing 2; the first housing 2 has a supporting surface 23 for supporting the speaker unit 1, preferably, the bottom surface of the mounting groove 22 is coplanar with the supporting surface 23, which is convenient for processing and manufacturing the mounting groove 22, and the auxiliary magnetic steel 3 can be set larger, so that the magnetic field intensity of the speaker unit 1 is improved to a greater extent, and the performance of the speaker module is improved better.
It is also possible that the mounting groove 22 is in communication with or not in communication with the outer wall of the enclosure 21, and in this embodiment, the mounting groove 22 is not in communication with the outer wall of the enclosure 21.
Optionally, the speaker module further includes a second housing fixedly connected to the first housing 2. It should be noted that the second housing is not necessary, and in some electronic devices, some components of the electronic device may function as the second housing, that is, implement sealing of the rear cavity of the speaker module.
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 speaker module, characterized in that: comprising
A speaker unit;
the loudspeaker comprises a first shell, a second shell and a third shell, wherein a fence for installing the loudspeaker unit is arranged on the first shell, and an installation groove is formed in the inner side of the fence;
the auxiliary magnetic steel is at least partially accommodated in the mounting groove.
2. A loudspeaker module according to claim 1, wherein: the auxiliary magnetic steel is fixedly connected with the first shell.
3. A loudspeaker module according to claim 2, wherein: the auxiliary magnetic steel is connected with the first shell in a clamping way, a gluing way, an insert injection molding way or a fastening way through a first fastener.
4. A loudspeaker module according to claim 1, wherein: the auxiliary magnetic steel is fixedly connected with the loudspeaker unit.
5. The speaker module as recited in claim 4, wherein: the auxiliary magnetic steel is glued with the loudspeaker unit or is fastened and connected with the loudspeaker unit through a second fastener; or the auxiliary magnetic steel and the single side magnetic steel of the loudspeaker are of an integrated structure which is integrally processed and formed.
6. A loudspeaker module according to claim 1, wherein: the polarity of the auxiliary magnetic steel is the same as that of the side magnetic steel of the loudspeaker unit close to the auxiliary magnetic steel.
7. A loudspeaker module according to claim 1, wherein: the fence is rectangular frame-shaped, four inner walls of the fence are provided with mounting grooves, and each mounting groove accommodates the auxiliary magnetic steel.
8. A loudspeaker module according to claim 1, wherein: the first shell is provided with a supporting surface for supporting the loudspeaker unit, and the bottom surface of the mounting groove is coplanar with the supporting surface.
9. A loudspeaker module according to claim 1, wherein: the mounting groove is communicated with the surface, away from the first shell, of the enclosure.
10. A loudspeaker module according to claim 1, wherein: the mounting groove communicates the outer wall that encloses the fender, or, the mounting groove with enclose the outer wall that keeps off.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320902510.2U CN219876088U (en) | 2023-04-14 | 2023-04-14 | Loudspeaker module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320902510.2U CN219876088U (en) | 2023-04-14 | 2023-04-14 | Loudspeaker module |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219876088U true CN219876088U (en) | 2023-10-20 |
Family
ID=88342198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320902510.2U Active CN219876088U (en) | 2023-04-14 | 2023-04-14 | Loudspeaker module |
Country Status (1)
Country | Link |
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CN (1) | CN219876088U (en) |
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2023
- 2023-04-14 CN CN202320902510.2U patent/CN219876088U/en active Active
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