CN218103502U - Miniature speaker monomer and speaker module - Google Patents
Miniature speaker monomer and speaker module Download PDFInfo
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- CN218103502U CN218103502U CN202221183292.3U CN202221183292U CN218103502U CN 218103502 U CN218103502 U CN 218103502U CN 202221183292 U CN202221183292 U CN 202221183292U CN 218103502 U CN218103502 U CN 218103502U
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- voice coil
- vibrating diaphragm
- speaker
- top surface
- diaphragm
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Abstract
The utility model discloses a miniature speaker monomer and speaker module, miniature speaker monomer are including vibrating the subassembly, the vibrating subassembly includes ball top, vibrating diaphragm and voice coil loudspeaker voice coil, the vibrating diaphragm is whole to be the ring frame form, the ball top is located the middle part hollow area of vibrating diaphragm just the ball top with be formed with the gap between the vibrating diaphragm, the voice coil loudspeaker voice coil respectively with the vibrating diaphragm reaches the ball top is connected and is sealed the gap. This miniature speaker monomer novel structure, simple, the gap between at least part region follow ball top and the vibrating diaphragm of the top surface of voice coil loudspeaker voice coil exposes to make the heat that voice coil loudspeaker voice coil work produced can directly disperse to external environment, improved the free radiating effect of miniature speaker, reduced the free inside temperature rise speed of miniature speaker, do benefit to and guarantee the free job stabilization nature of miniature speaker.
Description
Technical Field
The utility model relates to an electroacoustic converter technical field especially relates to a miniature speaker monomer and speaker module.
Background
The free energy conversion efficiency of miniature speaker is generally lower, and most energy all can convert the heat into, and this heat can lead to miniature speaker monomer to generate heat to make the free internal temperature of miniature speaker rise, cause irreversible damage to miniature speaker monomer, for example: the internal overheating or the over-high temperature of the miniature loudspeaker monomer can cause the phenomena of demagnetization of magnetic steel, collapse of a vibrating diaphragm, failure of glue and the like, thereby affecting the performance and the service life of the miniature loudspeaker monomer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: a micro speaker unit and a speaker module with good heat dissipation performance are provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a miniature speaker monomer, includes the vibration subassembly, the vibration subassembly includes ball top, vibrating diaphragm and voice coil loudspeaker voice coil, the vibrating diaphragm is whole to be the ring frame form, the ball top is located the middle part hollow area of vibrating diaphragm just the ball top with be formed with the gap between the vibrating diaphragm, the voice coil loudspeaker voice coil respectively with the vibrating diaphragm reaches the ball top is connected and is sealed the gap.
Furthermore, the dome has first connection limit, first connection limit with the medial surface of voice coil loudspeaker voice coil is connected fixedly.
Further, the edge of the top of the ball is connected with the first connecting edge.
Further, the first connecting edge is annular as a whole.
Furthermore, the vibrating diaphragm is provided with a second connecting edge, and the second connecting edge is fixedly connected with the outer side face of the voice coil.
Further, the inner edge of the diaphragm is connected to the second connecting edge.
Further, the second connecting edge is annular as a whole.
Furthermore, at least two of the top surface of the inner fixing part of the diaphragm, the top surface of the voice coil and the top surface of the ball top are arranged in a coplanar manner.
Furthermore, at least one of the top surface of the voice coil, the top surface of the ball top and the top surface of the vibrating diaphragm is provided with a heat conducting coating.
In order to solve the technical problem, the utility model discloses still adopt following technical scheme: the loudspeaker module comprises the miniature loudspeaker monomer.
The beneficial effects of the utility model reside in that: this miniature speaker monomer novel structure, simple, the gap between at least part region follow ball top and the vibrating diaphragm of the top surface of voice coil loudspeaker voice coil exposes to make the heat that voice coil loudspeaker voice coil work produced can directly disperse to external environment, improved the free radiating effect of miniature speaker, reduced the free inside temperature rise speed of miniature speaker, do benefit to and guarantee the free job stabilization nature of miniature speaker.
Drawings
Fig. 1 is an exploded view of a micro-speaker unit according to a first embodiment of the present invention;
fig. 2 is a cross-sectional view of a micro-speaker unit according to a first embodiment of the present invention;
FIG. 3 is an enlarged view of detail A in FIG. 2;
fig. 4 is a schematic partial sectional view of a micro-speaker unit with another structure according to an embodiment of the present invention.
Description of reference numerals:
1. a basin stand;
2. a vibrating assembly; 21. a ball top; 211. a first connecting edge; 22. vibrating diaphragm; 221. an inner fixing portion; 222. a folded ring part; 223. an outer fixing portion; 224. a second connecting edge; 23. a voice coil;
3. a magnetic circuit assembly;
4. a gap;
5. a thermally conductive coating.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, a micro speaker unit includes a vibration component 2, the vibration component 2 includes a dome 21, a diaphragm 22, and a voice coil 23, the diaphragm 22 is integrally in a ring frame shape, the dome 21 is located in a hollow region in the middle of the diaphragm 22, a gap 4 is formed between the dome 21 and the diaphragm 22, and the voice coil 23 is respectively connected to the diaphragm 22 and the dome 21 and closes the gap 4.
From the above description, the beneficial effects of the utility model reside in that: this miniature speaker monomer novel structure, simple, at least part region of the top surface of voice coil 23 exposes from gap 4 between ball top 21 and vibrating diaphragm 22 to make the heat that voice coil 23 work produced can directly dissipate to external environment, improved the free radiating effect of miniature speaker, reduced the free inside temperature rising speed of miniature speaker, do benefit to and guarantee the free job stabilization nature of miniature speaker.
Further, the dome 21 has a first connecting edge 211, and the first connecting edge 211 is fixedly connected to the inner side surface of the voice coil 23.
It can be known from the above description that the existence of the first connecting edge 211 not only can enable the dome 21 and the voice coil 23 to be connected and fixed more stably, so as to improve the structural stability of the micro-speaker unit, but also the heat generated by the voice coil 23 can be conducted to the front surface of the dome 21 through the first connecting edge 211, and then dissipated to the external environment, which is beneficial to further improving the heat dissipation efficiency of the micro-speaker unit.
Further, the edge of the dome 21 is connected to the first connecting edge 211.
As can be seen from the above description, the edge of the dome 21 is connected to the first connecting edge 211, so that a larger area of the top surface of the voice coil 23 is exposed, and thus the top surface of the voice coil 23 has a larger contact area with the external environment, thereby further improving the heat dissipation effect of the micro-speaker, and simultaneously, the design of the dome 21 can be simplified, so that the machining and forming of the dome 21 are facilitated, and the machining and manufacturing cost of the micro-speaker is reduced.
Further, the first connecting edge 211 is annular as a whole.
It can be known from the above description that the whole annular first connecting edge 211 and the voice coil 23 have larger contact area and fixed area, which not only can improve the structural stability of the miniature speaker monomer, but also can increase the heat dissipation area of the dome 21 to the voice coil 23, so that the heat generated by the voice coil 23 can be conducted to the dome 21 more, and then dissipated to the external environment, thereby being beneficial to improving the heat dissipation effect of the miniature speaker monomer.
Further, the diaphragm 22 has a second connecting edge 224, and the second connecting edge 224 is fixedly connected to the outer side surface of the voice coil 23.
It can be known from the above description that the existence of second connection limit 224 not only can let vibrating diaphragm 22 and voice coil 23 realize connecting fixedly more steadily to improve the free structural stability of miniature speaker, the heat that voice coil 23 produced can be conducted to the front of vibrating diaphragm 22 through second connection limit 224 in addition, and then dispels to the external environment, does benefit to further improvement the free radiating efficiency of miniature speaker.
Further, the inner edge of the diaphragm 22 is connected to the second connecting edge 224.
It can be known from the above description that the inward flange of vibrating diaphragm 22 links to each other with first connecting edge 211 and can lets the bigger region of the top surface of voice coil 23 expose to let the top surface of voice coil 23 and external environment have bigger area of contact, and then further improve the free radiating effect of miniature speaker, simultaneously, also can simplify the vibrating diaphragm 22 design, so that vibrating diaphragm 22's machine-shaping does benefit to the processing manufacturing cost who reduces miniature speaker.
Further, the second connecting edge 224 is annular as a whole.
It can be known from the above description that the whole annular second connecting edge 224 and the voice coil 23 have larger contact area and fixed area, which not only can improve the structural stability of the miniature speaker, but also can increase the heat dissipation area of the diaphragm 22 to the voice coil 23, so that the heat generated by the voice coil 23 can be more conducted to the diaphragm 22, and then dissipated to the external environment, thereby being beneficial to improving the heat dissipation effect of the miniature speaker.
Further, at least two of the top surface of the inner fixing portion 221 of the diaphragm 22, the top surface of the voice coil 23, and the top surface of the dome 21 are coplanar.
Further, at least one of the top surface of the voice coil 23, the top surface of the dome 21 and the top surface of the diaphragm 22 is provided with a heat conductive coating 5.
As can be seen from the above description, the provision of the thermal conductive coating 5 can further improve the heat dissipation effect of the micro-speaker unit.
The loudspeaker module comprises the miniature loudspeaker monomer.
As can be seen from the description, the loudspeaker module has the advantages of good heat dissipation effect, long-time stable work and long service life.
Example one
Referring to fig. 1 to 4, a first embodiment of the present invention is: the loudspeaker module can be applied to electronic equipment with a sound playing function, such as mobile phones, tablet computers, intelligent watches, notebook computers, earphones, interphones and the like. The loudspeaker module comprises a module shell and a miniature loudspeaker monomer arranged in the module shell.
As shown in fig. 1 and 2, the micro speaker unit includes a frame 1, and a vibration component 2 and a magnetic circuit component 3 respectively disposed on the frame 1, where the vibration component 2 includes a dome 21, a diaphragm 22 and a voice coil 23, the diaphragm 22 is integrally in a ring frame shape, the dome 21 is located in a hollow central region of the diaphragm 22, a gap 4 is formed between the dome 21 and the diaphragm 22, and the voice coil 23 is respectively connected with the diaphragm 22 and the dome 21 and seals the gap 4. In detail, the diaphragm 22 includes an inner fixing portion 221, a bending ring portion 222 and an outer fixing portion 223 which are sequentially connected from inside to outside, the inner fixing portion 221 is connected to the voice coil 23, and the outer fixing portion 223 is connected to the frame 1.
In some embodiments, the connection position of the dome 21 and the voice coil 23 may be a position on the inner side of the top surface of the voice coil 23, or an upper portion or a top portion of the inner side surface of the voice coil 23; the connection position between the diaphragm 22 and the voice coil 23 may be a position on the top surface of the voice coil 23 close to the outer side, or an upper portion or a top portion of the outer side surface of the voice coil 23.
Referring to fig. 2 and fig. 3, in the present embodiment, the globe top 21 has a first connecting edge 211, the first connecting edge 211 is fixedly connected to the inner side surface of the voice coil 23, preferably, an edge of the globe top 21 is connected to the first connecting edge 211, and further preferably, the first connecting edge 211 is annular as a whole. So, not only can make things convenient for the manufacturing of ball top 21, can increase the structural stability of ball top 21 and the bonding fixed connection of voice coil 23 in order to improve vibration assembly 2 moreover to can increase the heat conduction area of ball top 21 and voice coil 23 and the area that exposes of the top surface of voice coil 23, improve the free radiating effect of miniature speaker greatly.
Similarly, the diaphragm 22 has a second connecting edge 224, the second connecting edge 224 is fixedly connected to the outer side surface of the voice coil 23, preferably, the inner edge of the diaphragm 22 is connected to the second connecting edge 224, further preferably, the second connecting edge 224 is integrally annular, and specifically, the inner edge of the inner fixing portion 221 is connected to the second connecting edge 224.
Optionally, at least two of the top surface of the inner fixing portion 221 of the diaphragm 22, the top surface of the voice coil 23, and the top surface of the dome 21 are coplanar. In this embodiment, the top surface of the inner fixing portion 221 of the diaphragm 22, the top surface of the voice coil 23, and the top surface of the dome 21 are coplanar.
In order to further improve the heat dissipation effect of the micro-speaker unit, as shown in fig. 4, optionally, at least one of the top surface of the voice coil 23, the top surface of the dome 21, and the top surface of the diaphragm 22 is provided with a heat conductive coating 5.
In other embodiments, the top surface of the voice coil 23 may be slightly lower than the top surface of the inner fixing portion 221 of the diaphragm 22 and the top surface of the dome 21, so that the top surface of the voice coil 23 forms a receiving groove capable of receiving a conductive coating, thereby improving the outward heat dissipation effect of the micro-speaker unit, and allowing more areas of the voice coil 23 to be located in the magnetic gap of the magnetic circuit assembly 3 to ensure the acoustic performance of the speaker module.
The dome 21 may have a single-layer structure or a multilayer laminated structure.
The material of the top dome 21 is preferably a material with a high thermal conductivity, and includes metals and non-metals, such as: copper, graphite, and the like.
To sum up, the utility model provides a miniature speaker monomer and speaker module, novel structure, simple, the gap between ball top and the vibrating diaphragm is exposed from at least part region of the top surface of voice coil loudspeaker voice coil to make the heat that voice coil loudspeaker voice coil work produced can directly disperse to external environment, improved the free radiating effect of miniature speaker, reduced the inside temperature rise speed of miniature speaker monomer, do benefit to and guarantee the free job stabilization nature of miniature speaker. The dome has the medial surface with the voice coil loudspeaker voice coil and is connected fixed first connection limit, and the vibrating diaphragm has and is connected fixed second with the lateral surface of voice coil loudspeaker voice coil and be connected the limit, not only can improve the free structural stability of micro loudspeaker, but also can further improve the free radiating effect of micro loudspeaker.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a miniature speaker monomer, includes the vibration subassembly, the vibration subassembly includes ball top, vibrating diaphragm and voice coil loudspeaker voice coil, the vibrating diaphragm is whole to be ring frame form, its characterized in that: the ball top is located in the middle hollow area of the vibrating diaphragm, a gap is formed between the ball top and the vibrating diaphragm, and the voice coil is connected with the vibrating diaphragm and the ball top respectively and seals the gap.
2. A microspeaker unit as defined in claim 1 wherein: the dome has first connection limit, first connection limit with the medial surface of voice coil loudspeaker voice coil is connected fixedly.
3. A micro-speaker cell as claimed in claim 2, wherein: the edge of the top of the ball is connected with the first connecting edge.
4. A microspeaker unit as defined in claim 2 wherein: the first connecting edge is annular as a whole.
5. A microspeaker unit as defined in claim 1 wherein: the vibrating diaphragm is provided with a second connecting edge, and the second connecting edge is fixedly connected with the outer side face of the voice coil.
6. The micro-speaker cell of claim 5, wherein: the inner edge of the diaphragm is connected with the second connecting edge.
7. The micro-speaker cell of claim 5, wherein: the second connecting edge is annular as a whole.
8. A micro-speaker cell as claimed in claim 1, wherein: at least two of the top surface of the inner fixing part of the diaphragm, the top surface of the voice coil and the top surface of the ball top are arranged in a coplanar manner.
9. A micro-speaker cell as claimed in claim 1, wherein: at least one of the top surface of the voice coil, the top surface of the ball top and the top surface of the vibrating diaphragm is provided with a heat conducting coating.
10. Speaker module, its characterized in that: comprising a microspeaker cell as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183292.3U CN218103502U (en) | 2022-05-17 | 2022-05-17 | Miniature speaker monomer and speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183292.3U CN218103502U (en) | 2022-05-17 | 2022-05-17 | Miniature speaker monomer and speaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218103502U true CN218103502U (en) | 2022-12-20 |
Family
ID=84459461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221183292.3U Active CN218103502U (en) | 2022-05-17 | 2022-05-17 | Miniature speaker monomer and speaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218103502U (en) |
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2022
- 2022-05-17 CN CN202221183292.3U patent/CN218103502U/en active Active
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