CN221886721U - Micro speakers and speaker modules - Google Patents
Micro speakers and speaker modules Download PDFInfo
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- CN221886721U CN221886721U CN202420258628.0U CN202420258628U CN221886721U CN 221886721 U CN221886721 U CN 221886721U CN 202420258628 U CN202420258628 U CN 202420258628U CN 221886721 U CN221886721 U CN 221886721U
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Abstract
本实用新型公开了微型扬声器及扬声器模组，微型扬声器包括振膜，所述振膜包括折环部，所述折环部整体呈矩形框状，所述折环部包括上凸结构、下凹结构及过渡结构，所述下凹结构通过所述过渡结构连接所述上凸结构。微型扬声器结构新颖，其振膜的折环部同时具有上凸结构和下凹结构，在扬声器模组中下凹结构靠近出声孔，从而避免折环部上凸对出声孔的气流造成阻碍，改善了扬声器模组钢琴音现象，而折环部的上凸结构可以减少折环部对于微型扬声器内部空间的占用，利于改善微型扬声器的声学性能表现，达到提高扬声器模组性能的效果。
The utility model discloses a micro-speaker and a speaker module, wherein the micro-speaker comprises a diaphragm, the diaphragm comprises a folding ring portion, the folding ring portion is in a rectangular frame shape as a whole, the folding ring portion comprises an upper convex structure, a lower concave structure and a transition structure, and the lower concave structure is connected to the upper convex structure through the transition structure. The micro-speaker has a novel structure, the folding ring portion of the diaphragm has both an upper convex structure and a lower concave structure, and the lower concave structure is close to the sound outlet in the speaker module, thereby avoiding the convexity of the folding ring portion from obstructing the airflow of the sound outlet, improving the piano sound phenomenon of the speaker module, and the convex structure of the folding ring portion can reduce the occupancy of the folding ring portion for the internal space of the micro-speaker, which is conducive to improving the acoustic performance of the micro-speaker, thereby achieving the effect of improving the performance of the speaker module.
Description
Technical Field
The utility model relates to the technical field of electroacoustic converters, in particular to a miniature loudspeaker and a loudspeaker module.
Background
Micro-speakers serve as a common electroacoustic transducer device for converting electrical energy into acoustic energy, which plays an indispensable role in sound emission systems.
The ring part in the vibrating diaphragm of the existing miniature loudspeaker is either of an upper convex ring structure or of a lower concave ring structure, for the vibrating diaphragm of the upper convex ring structure, the ring part can encroach on the front sound cavity space of the loudspeaker module, and especially the ring part area close to the sound outlet can influence the air flow of the sound outlet, so that the problems of high order and piano sound are caused, and for the vibrating diaphragm of the lower concave ring structure, the ring part is inwards sunken to influence the inner space of the miniature loudspeaker, so that larger performance loss is caused.
Disclosure of utility model
The utility model mainly aims to provide a miniature loudspeaker with a novel structure, and aims to solve the problem that the performance of the traditional loudspeaker module is poor.
In order to solve the technical problems, the first technical scheme adopted by the utility model is as follows: a micro-speaker, comprising:
The vibrating diaphragm comprises a ring folding part, the whole rectangular frame shape of the ring folding part, the ring folding part comprises an upward convex structure, a downward concave structure and a transition structure, and the downward concave structure is connected with the upward convex structure through the transition structure.
In an embodiment, the number of the concave structures is two, and the two concave structures are respectively located on two long sides of the folded ring portion, or the two concave structures are respectively located on two short sides of the folded ring portion.
In an embodiment, the transition structure is located at a long side, a short side or a corner of the folded-over portion.
In an embodiment, still include basin frame, voice coil loudspeaker voice coil and magnetic circuit subassembly, the voice coil loudspeaker voice coil is located in the basin frame, the vibrating diaphragm is connected respectively the voice coil loudspeaker voice coil with the basin frame, magnetic circuit subassembly includes yoke, limit magnet steel and Bian Huasi, limit magnet steel is connected respectively the yoke with Bian Huasi, bian Huasi connects the basin frame.
In an embodiment, the area Bian Huasi corresponding to the concave structure is provided with an avoidance groove for avoiding the concave structure.
In an embodiment, the area Bian Huasi corresponding to the up-projecting structure has a projecting portion projecting toward a direction approaching the diaphragm.
In one embodiment, the protrusion and Bian Huasi are integrally formed as a one-piece structure; or the protrusion is adhesively connected or welded with the Bian Huasi.
In an embodiment, the voice coil includes a body and a lead connected to each other, and the area Bian Huasi corresponding to the raised structure is provided with a fixing glue block for fixing the lead.
In order to solve the technical problems, the second technical scheme adopted by the utility model is as follows: the loudspeaker module comprises the micro loudspeaker.
In an embodiment, the micro-speaker is arranged in the module shell and surrounds the module shell to form a front sound cavity, the front sound cavity is communicated with the sound outlet, and the concave structure is arranged close to the sound outlet.
The utility model has the beneficial effects that: the miniature loudspeaker is novel in structure, the ring-folding part of the vibrating diaphragm of the miniature loudspeaker is provided with an upward protruding structure and a downward recessed structure, and the downward recessed structure is close to the sound outlet in the loudspeaker module, so that the phenomenon that the upward protruding of the ring-folding part blocks the air flow of the sound outlet is avoided, the piano sound phenomenon of the loudspeaker module is improved, the occupation of the ring-folding part on the inner space of the miniature loudspeaker can be reduced by the upward protruding structure of the ring-folding part, the acoustic performance of the miniature loudspeaker is improved, and the effect of improving the performance of the loudspeaker module is achieved.
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 quarter sectional view of a micro-speaker according to a first embodiment of the present utility model;
Fig. 2 is a cross-sectional view of a speaker module according to a first embodiment of the present utility model;
fig. 3 is a quarter sectional view of a micro-speaker according to a second embodiment of the present utility model;
fig. 4 is a quarter sectional view of a micro speaker according to a third embodiment of the present utility model.
Reference numerals illustrate:
1. a basin stand;
2. A vibrating diaphragm; 21. a ring folding part; 211. an upward protruding structure; 212. a concave structure; 213. a transition structure;
3. a voice coil;
4. middle paste;
5. a yoke;
6. A center magnetic steel;
7. Edge magnetic steel;
8. a central washer;
9. bian Huasi; 91. an avoidance groove; 92. a protruding portion;
10. And fixing the glue block.
20. A module housing; 201. a sound outlet hole; 202. anterior acoustic chamber.
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 and 2, a first embodiment of the utility model is as follows: the micro loudspeaker can be applied to electronic equipment such as mobile phones, tablet computers, intelligent watches, hearing aids and the like.
The miniature loudspeaker comprises a basin frame 1, a magnetic circuit assembly, a vibrating diaphragm 2 and a voice coil 3, wherein the vibrating diaphragm 2 is fixedly connected with the basin frame 1 respectively, the magnetic circuit assembly is provided with a magnetic gap for the voice coil 3 to move, the voice coil 3 is positioned in the basin frame 1, the voice coil 3 is connected with the vibrating diaphragm 2, optionally, a middle patch 4 is arranged on the vibrating diaphragm 2, and in other embodiments, the voice coil 3 can be indirectly connected with the vibrating diaphragm 2 through the middle patch 4.
The magnetic circuit assembly comprises a yoke 5, a central magnetic steel 6, side magnetic steels 7, a central washer 8 and side washers 9, wherein the central magnetic steel 6 and the side magnetic steels 7 are respectively connected with the yoke 5, the central washer 8 is connected with the central magnetic steel 6 and is positioned on one side, far away from the yoke 5, of the central magnetic steel 6, bian Huasi is connected with the side magnetic steel 7 and is positioned on one side, far away from the yoke 5, of the side magnetic steel 7, and Bian Huasi is fixedly connected with the basin frame 1.
The vibrating diaphragm 2 comprises an inner fixing part, a ring folding part 21 and an outer fixing part which are sequentially connected from inside to outside, the inner fixing part is connected with the voice coil 3, the outer fixing part is connected with the basin frame 1, the ring folding part 21 is integrally rectangular and frame-shaped, the ring folding part 21 comprises an upper convex structure 211, a concave structure 212 and a transition structure 213, and the concave structure 212 is connected with the upper convex structure 211 through the transition structure 213.
In order to ensure the axisymmetry of the vibration system and avoid polarization, the diaphragm 2 is preferably arranged in an axisymmetric structure, that is, the number of the concave structures 212 is two, two concave structures 212 are respectively located on two long sides of the folded ring portion 21, or two concave structures 212 are respectively located on short sides of the folded ring portion 21.
The transition structure 213 is located at a long side, a short side or a corner of the folded ring portion 21.
In this embodiment, the concave structure 212 is located on the long side of the folded ring portion 21, and the transition structure 213 is located on the long side of the folded ring portion 21, and it is easy to understand that the length of the concave structure 212 is smaller than the length of the long side of the folded ring portion 21. In other embodiments, the length of the concave structure 212 may be set according to practical needs, and the concave structure 212 and the transition structure 213 are not necessarily located on the same long side or the same short side of the ring portion 21 at the same time.
Optionally, a region of Bian Huasi corresponding to the concave structure 212 is provided with a avoiding groove 91 for avoiding the concave structure 212. In this way, noise generated by collision between the concave structure 212 and Bian Huasi during vibration of the diaphragm 2 can be avoided.
The embodiment also provides a speaker module, which comprises the micro speaker.
Specifically, the speaker module further includes a module housing 20 having an acoustic hole 201, the micro speaker is disposed in the module housing 20 and surrounds the module housing 20 to form a front acoustic cavity 202, the front acoustic cavity 202 is communicated with the acoustic hole 201, and the concave structure 212 is disposed near the acoustic hole 201, so that the influence of the ring-folded portion 21 on the airflow flowing through the acoustic hole 201 can be avoided.
Example two
Referring to fig. 3, a second embodiment of the present utility model is a further improvement based on the first embodiment, and is different from the first embodiment in that: the area Bian Huasi corresponding to the raised structure 211 has a protrusion 92 protruding toward the direction close to the diaphragm 2, which increases the overall volume of the magnetic circuit assembly, and thus improves the performance of the speaker module to a greater extent.
The protruding part 92 and the Bian Huasi are integrally formed into an integral structure; or the projection 92 is adhesively attached or welded to the Bian Huasi.
Example III
Referring to fig. 4, the third embodiment of the present utility model is a parallel technical solution of the first embodiment, and is different from the first embodiment in that: the voice coil 3 includes a body connected to the leads, and the regions Bian Huasi corresponding to the up-projecting structures 211 are provided with fixing blocks 10 for fixing the leads, so that the inner space of the micro-speaker can be fully utilized.
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420258628.0U CN221886721U (en) | 2024-02-01 | 2024-02-01 | Micro speakers and speaker modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420258628.0U CN221886721U (en) | 2024-02-01 | 2024-02-01 | Micro speakers and speaker modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221886721U true CN221886721U (en) | 2024-10-22 |
Family
ID=93098287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420258628.0U Active CN221886721U (en) | 2024-02-01 | 2024-02-01 | Micro speakers and speaker modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221886721U (en) |
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- 2024-02-01 CN CN202420258628.0U patent/CN221886721U/en active Active
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