CN221467903U - Micro loudspeaker and loudspeaker module - Google Patents
Micro loudspeaker and loudspeaker module Download PDFInfo
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- CN221467903U CN221467903U CN202323182977.3U CN202323182977U CN221467903U CN 221467903 U CN221467903 U CN 221467903U CN 202323182977 U CN202323182977 U CN 202323182977U CN 221467903 U CN221467903 U CN 221467903U
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- voice coil
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- basin frame
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- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000243 solution Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a miniature loudspeaker and a loudspeaker module, wherein the miniature loudspeaker comprises a basin frame, a voice coil and an FPC board, wherein the voice coil is arranged corresponding to a hollow area of the basin frame; the FPC comprises an inner fixing part, a cantilever part, an outer fixing part and a conducting part which are sequentially connected, wherein the inner fixing part is fixedly connected with the voice coil, the outer fixing part is fixedly connected with the basin frame, the conducting part is positioned on the outer side of the basin frame, a conducting circuit and an electric connection area are arranged on the FPC, the conducting circuit is respectively electrically connected with the electric connection area and the voice coil, and the electric connection area is positioned on the conducting part. In the miniature loudspeaker, the FPC board is provided with the conducting part which extends out of the miniature loudspeaker, and the conducting part is provided with the electric connection area for conducting an external power supply and the voice coil, so that the basin stand of the miniature loudspeaker cancels the bonding pad, the structure and the production process of the miniature loudspeaker are simplified, and the production yield and the production efficiency of the miniature loudspeaker are improved.
Description
Technical Field
The present utility model relates to electroacoustic transducers, and more particularly to a micro speaker and a speaker module.
Background
At present, mobile terminals such as mobile phones and tablet computers enrich the life of people, and micro speakers play an indispensable role as audio devices. At the same time, consumer demand for sound quality is increasing, and accordingly, performance requirements of speakers are increasing.
In order to improve the polarization and rolling vibration phenomena of the voice coil, a part of the micro-speaker is additionally provided with a centering support sheet for connecting the voice coil with the frame, in some prior schemes, the centering support sheet is electrically connected with the voice coil, and meanwhile, the frame is provided with a bonding pad for being electrically conducted with the centering support sheet, and the micro-speaker is conducted with an external power supply through the bonding pad.
Disclosure of utility model
The technical problems solved by the utility model are as follows: provided is a micro speaker with a simple structure and a speaker module having the same.
In order to solve the technical problems, the first technical scheme adopted by the utility model is as follows: a micro-speaker, comprising:
A basin stand;
the voice coil is arranged corresponding to the hollow area of the basin frame;
The FPC board, FPC is including the internal fixation portion, cantilever portion, external fixation portion that link to each other in proper order and switching on the portion, internal fixation portion with the voice coil loudspeaker voice coil is connected fixedly, external fixation portion with the basin frame is connected fixedly, switching on the portion and is located the basin frame outside, be equipped with on the FPC and switch on circuit and electric connection district, switch on the circuit respectively with electric connection district with the voice coil loudspeaker voice coil electricity is connected, electric connection district is located switch on the portion.
In an embodiment, the electrical connection region is located at an end of the conducting portion away from the external fixing portion.
In an embodiment, the basin frame is in a rectangular frame shape as a whole, the basin frame comprises two first side frames and two second side frames, the two first side frames are oppositely arranged, and two ends of the first side frames are respectively connected with the ends of the two second side frames; the outer fixing part comprises a first part arranged on the bottom surface of the first side frame and a second part arranged on the bottom surface of the second side frame, the second part is respectively connected with the cantilever part and the first part, and the conducting part is connected with the first part.
In an embodiment, a connection between the conducting portion and the first portion is located in a middle area of the first portion.
In an embodiment, the basin stand further comprises Bian Huasi fixedly connected to the basin stand, the external fixing portion further comprises a third portion fixedly connected to the Bian Huasi, and the second portion is connected to the cantilever portion through the third portion.
In an embodiment, the device further includes a side magnetic steel connected to the Bian Huasi, where the side magnetic steel has an avoidance slot for avoiding the third portion and the second portion.
In one embodiment, the Bian Huasi is fixedly coupled to the third portion.
In an embodiment, the cantilever portion includes a first section, a bending section and a second section connected in sequence, the first section is located between the voice coil and the first side frame, and the second section is located between the voice coil and the second side frame.
In one embodiment, the basin frame further comprises a yoke connected with the basin frame, wherein the yoke is provided with a turned edge, and the turned edge abuts against the external fixing part.
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.
The utility model has the beneficial effects that: in the miniature loudspeaker, the FPC board is provided with the conducting part which extends out of the miniature loudspeaker, and the conducting part is provided with the electric connection area for conducting an external power supply and the voice coil, so that the basin stand of the miniature loudspeaker cancels the bonding pad, the structure and the production process of the miniature loudspeaker are simplified, and the production yield and the production efficiency of the miniature loudspeaker are improved.
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 according to a first embodiment of the present utility model;
Fig. 2 is a cross-sectional view of a micro speaker according to a first embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a portion of a micro-speaker according to a first embodiment of the present utility model.
Reference numerals illustrate:
1. A basin stand; 11. a first side frame; 12. a second side frame;
2. a diaphragm assembly;
3. a voice coil;
4. An FPC board; 41. an inner fixing part; 42. a cantilever portion; 421. a first section; 422. bending sections; 423. a second section; 43. an outer fixing part; 431. a first portion; 432. a second portion; 433. a third section; 44. a conduction part; 45. an electrical connection region;
5. A magnetic circuit assembly; 51. a yoke; 511. flanging; 52. a central magnetic structure; 53. a side magnetic structure; 531. edge magnetic steel; 5311. an avoidance groove; 532. bian Huasi.
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 loudspeaker can be applied to electronic equipment such as a mobile phone, a smart watch, a tablet personal computer, a game handle and the like.
The miniature loudspeaker comprises a basin frame 1, a vibrating diaphragm assembly 2, a voice coil 3, an FPC board 4 and a magnetic circuit assembly 5, wherein the voice coil 3 is arranged corresponding to a hollow area of the basin frame 1, the vibrating diaphragm assembly 2 is connected with the top of the basin frame 1 and the top of the voice coil 3, the magnetic circuit assembly 5 is connected with the basin frame 1, and the magnetic circuit assembly 5 is provided with a magnetic gap for the voice coil 3 to move;
The FPC comprises an inner fixing part 41, a cantilever part 42, an outer fixing part 43 and a conducting part 44 which are sequentially connected, wherein the inner fixing part 41 is fixedly connected with the voice coil 3, the outer fixing part 43 is fixedly connected with the basin frame 1, the conducting part 44 is positioned at the outer side of the basin frame 1, a conducting circuit and an electric connecting area 45 are arranged on the FPC, the conducting circuit is respectively electrically connected with the electric connecting area 45 and the voice coil 3, the electric connecting area 45 is positioned on the conducting part 44, and the electric connecting area 45 is used for being conducted with an external power supply. Since the electrical connection area 45 is disposed on the conducting portion 44 and the conducting portion 44 is a partial area of the FPC board 4, the location of the external power supply is flexible and free in the installation environment of the whole electronic device. In this embodiment, the electrical connection area 45 is located at an end of the conducting portion 44 away from the external fixing portion 43. In other embodiments, the electrical connection area 45 may be further disposed in the middle or other areas of the conducting portion 44, which is specifically configured according to practical needs.
The basin frame 1 is in a rectangular frame shape as a whole, the basin frame 1 comprises two first side frames 11 which are oppositely arranged and two second side frames 12 which are oppositely arranged, and two ends of the first side frames 11 are respectively connected with the ends of the two second side frames 12; the external fixing portion 43 includes a first portion 431 disposed on the bottom surface of the first side frame 11 and a second portion 432 disposed on the bottom surface of the second side frame 12, the second portion 432 is connected to the cantilever portion 42 and the first portion 431, and the conducting portion 44 is connected to the first portion 431. Specifically, the outer fixing portion 43 is adhered to the frame 1, and a larger adhering area can be formed between the outer fixing portion 43 having the first portion 431 and the second portion 432 and the frame 1, which is beneficial to improving the stability of the connection between the FPC board 4 and the frame 1. Meanwhile, the cantilever part 42 in the FPC board 4 may be designed to be more tortuous so that the cantilever part 42 may be deformed to a greater extent, thereby increasing the amplitude range of the micro-speaker and enabling the micro-speaker to realize large-amplitude vibration. In detail, the cantilever portion 42 includes a first section 421, a bent section 422, and a second section 423 sequentially connected, where the first section 421 is located between the voice coil 3 and the first side frame 11, and the second section 423 is located between the voice coil 3 and the second side frame 12.
Optionally, the connection between the conducting portion 44 and the first portion 431 is located in a middle area of the first portion 431.
The magnetic circuit assembly 5 comprises a yoke 51, a central magnetic structure 52 and a side magnetic structure 53, wherein the central magnetic structure 52 and the side magnetic structure 53 are respectively arranged on the yoke 51, the central magnetic structure 52 is arranged corresponding to a hollow area of the voice coil 3, the central magnetic structure 52 comprises a central magnetic steel and a central washer, the central magnetic steel is respectively connected with the central washer and the yoke 51, the central magnetic structure 52 is positioned between at least one group of two side magnetic structures 53 which are oppositely arranged, a part area of a magnetic gap is formed between the central magnetic structure 52 and the side magnetic structures 53, the side magnetic structures 53 comprise side magnetic steels 531 and Bian Huasi, the side magnetic steel 531 is connected with the Bian Huasi and the yoke 51, the Bian Huasi and the basin frame 1 are fixedly connected, and optionally, the Bian Huasi and the basin frame 1 are formed into an integrated structure through an insert injection molding process.
In this embodiment, the outer fixing portion 43 further includes a third portion 433 fixedly connected to the Bian Huasi 532,532, and the second portion 432 is connected to the cantilever portion 42 through the third portion 433, specifically, one end of the second section 423 of the cantilever portion 42, which is far away from the bending section 422, is connected to the third portion 433. The third portion 433 can be arranged to enable the FPC board 4 to be connected more stably, so that the falling risk of the FPC board 4 is further reduced.
Preferably, the side magnetic steel 531 has an avoiding groove 5311 for avoiding the third portion 433 and the second portion 432, so that the volume of the side magnetic steel 531 can be designed to be larger, so that the magnetic field strength of the micro-speaker is larger, and the acoustic performance of the micro-speaker is improved. Further preferably, the Bian Huasi 532,532 is fixedly coupled to the third portion 433.
Optionally, the yoke 51 has a flange 511, and the flange 511 abuts against the outer fixing portion 43. In this embodiment, the flange 511 is fixedly connected to the outer fixing portion 43, that is, a partial area of the first portion 431 of the outer fixing portion 43 is clamped and fixed between the basin stand 1 and the flange 511.
The embodiment also provides a speaker module, the speaker module includes a module housing and a speaker unit disposed in the module housing, and the speaker unit is the micro speaker.
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 loudspeaker, characterized by: comprising
A basin stand;
the voice coil is arranged corresponding to the hollow area of the basin frame;
The FPC board, FPC is including the internal fixation portion, cantilever portion, external fixation portion that link to each other in proper order and switching on the portion, internal fixation portion with the voice coil loudspeaker voice coil is connected fixedly, external fixation portion with the basin frame is connected fixedly, switching on the portion and is located the basin frame outside, be equipped with on the FPC and switch on circuit and electric connection district, switch on the circuit respectively with electric connection district with the voice coil loudspeaker voice coil electricity is connected, electric connection district is located switch on the portion.
2. A micro-speaker as claimed in claim 1, wherein: the electric connection area is positioned at one end of the conducting part, which is far away from the external fixing part.
3. A micro-speaker as claimed in claim 1, wherein: the basin frame is in a rectangular frame shape as a whole, and comprises two first side frames and two second side frames, wherein the two first side frames are oppositely arranged, and the two ends of the first side frames are respectively connected with the ends of the two second side frames; the outer fixing part comprises a first part arranged on the bottom surface of the first side frame and a second part arranged on the bottom surface of the second side frame, the second part is respectively connected with the cantilever part and the first part, and the conducting part is connected with the first part.
4. A micro-speaker as claimed in claim 3, wherein: the connection part of the conducting part and the first part is positioned in the middle area of the first part.
5. A micro-speaker as claimed in claim 3, wherein: the basin frame is characterized by further comprising Bian Huasi fixedly connected with the basin frame, the outer fixing part further comprises a third part fixedly connected with the Bian Huasi, and the second part is connected with the cantilever part through the third part.
6. A micro-speaker as claimed in claim 5, wherein: the device further comprises edge magnetic steel connected with Bian Huasi, wherein the edge magnetic steel is provided with an avoidance groove for avoiding the third part and the second part.
7. A micro-speaker as claimed in claim 6, wherein: and Bian Huasi is fixedly connected with the third part.
8. A micro-speaker as claimed in claim 3, wherein: the cantilever part comprises a first section, a bending section and a second section which are connected in sequence, wherein the first section is positioned between the voice coil and the first side frame, and the second section is positioned between the voice coil and the second side frame.
9. A micro-speaker as claimed in claim 1, wherein: the basin frame is characterized by further comprising a yoke connected with the basin frame, wherein the yoke is provided with a turned edge, and the turned edge abuts against the external fixing part.
10. Speaker module, its characterized in that: comprising a micro-speaker according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323182977.3U CN221467903U (en) | 2023-11-22 | 2023-11-22 | Micro loudspeaker and loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323182977.3U CN221467903U (en) | 2023-11-22 | 2023-11-22 | Micro loudspeaker and loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221467903U true CN221467903U (en) | 2024-08-02 |
Family
ID=92341085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323182977.3U Active CN221467903U (en) | 2023-11-22 | 2023-11-22 | Micro loudspeaker and loudspeaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221467903U (en) |
-
2023
- 2023-11-22 CN CN202323182977.3U patent/CN221467903U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |