CN213586260U - Loudspeaker module - Google Patents
Loudspeaker module Download PDFInfo
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- CN213586260U CN213586260U CN202022393029.4U CN202022393029U CN213586260U CN 213586260 U CN213586260 U CN 213586260U CN 202022393029 U CN202022393029 U CN 202022393029U CN 213586260 U CN213586260 U CN 213586260U
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- shell
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- speaker module
- passive vibration
- cover plate
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Abstract
The utility model discloses a loudspeaker module, including the shell with locate the speaker monomer in the shell, still be equipped with the acoustics rear chamber in the shell, one side of shell is equipped with the windowing of intercommunication acoustics rear chamber, and the department of windowing is equipped with passive vibration subassembly, still including locating the sound channel apron on the shell, and the sound channel apron has open-ended hollow structure's casing for the bottom, and sound channel apron cover establishes passive vibration subassembly, and one side of apron is equipped with out the sound hole. The sound channel cover plate for covering the passive vibration component is arranged on the shell, so that the passive vibration component is ensured to have sufficient vibration space, and the stable resistance of the rear cavity is ensured, thereby ensuring the stability of frequency response after the loudspeaker module is assembled with different complete machines, optimizing the hearing and improving the performance of the loudspeaker module; simultaneously, can also be abundant the protection passive vibration subassembly, avoid passive vibration subassembly to collide with other parts in the in-process of using or assembling and impaired or break, do benefit to the performance and the life who guarantees the speaker module.
Description
Technical Field
The utility model relates to an electroacoustic transducer technical field especially relates to a speaker module.
Background
The loudspeaker module is widely applied to portable electronic equipment such as mobile phones, notebook computers, hearing aids and the like. At present, the cell-phone speaker design generally adopts the sound membrane to make the air sound production as vibrating component, owing to receive the restriction of sound membrane vibration area and vibration amplitude, the low frequency response of current speaker product is not enough, lead to the hearing poor, for solving this problem, can set up passive vibration subassembly promptly (like vibrating diaphragm and vibration board) in the sealed back chamber of speaker module usually, speaker module during operation, the free sound membrane reciprocating vibration of speaker can the cyclic compression, the air of sealed back intracavity of expansion, place the vibration board on sealed back chamber shell spare and can follow the change of sealed back intracavity air pressure and vibrate the sound production, and then compensate the low frequency response of speaker product, reach and improve speaker low frequency performance, optimize the purpose of hearing.
When carrying out speaker module and testing alone, the low frequency response is more excellent in this design, nevertheless assemble whole machine back, the vibration resistance of back cavity vibrating plate is great with complete machine cooperation relation, cooperates different complete machines, uncertain change can appear in the resistance of back cavity vibrating plate, speaker module and complete machine cooperation can't find the associativity, some complete machines are because reasons such as structure restrict, back cavity vibrating plate resistance increases, lead to back cavity vibrating plate amplitude less, cause speaker module low frequency response can't reach optimum.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provided is a speaker module having excellent performance.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a loudspeaker module, includes the shell and locates the speaker monomer in the shell, still be equipped with the acoustics back chamber in the shell, one side of shell is equipped with the intercommunication the windowing of acoustics back chamber, the department of windowing is equipped with passive vibration subassembly, still including locating play sound channel apron on the shell, it has open-ended hollow structure's casing for the bottom to go out the sound channel apron, it establishes to go out the sound channel apron cover passive vibration subassembly, one side of apron is equipped with the phonate hole.
Furthermore, the sound outlet device also comprises a sound outlet pipeline arranged on the shell, wherein one end of the sound outlet pipeline is communicated with the sound outlet hole, and the other end of the sound outlet pipeline is communicated with the outside.
Further, the end face of one end of the sound outlet pipeline, which is far away from the sound outlet cover plate, is aligned with one side wall of the shell.
Furthermore, the section of the sound outlet pipeline is concave.
Furthermore, the sound outlet channel cover plate and the sound outlet pipeline are of an integrated structure.
Furthermore, the sound outlet channel cover plate and the sound outlet pipeline are injection-molded parts.
Further, the sound outlet duct comprises at least one bend.
Further, the sound outlet channel cover plate is bonded on the shell.
Furthermore, the shell comprises an upper shell and a lower shell which are connected, and the window opening, the passive vibration component and the sound channel cover plate are respectively arranged on the upper shell.
Further, the passive vibration component comprises a vibration membrane and/or a vibration plate.
The beneficial effects of the utility model reside in that: the sound channel cover plate for covering the passive vibration component is arranged on the shell, so that the passive vibration component is ensured to have sufficient vibration space, and the stable resistance of the rear cavity is ensured, thereby ensuring the stability of frequency response after the loudspeaker module is assembled with different complete machines, optimizing the hearing and improving the performance of the loudspeaker module; simultaneously, can also be abundant the protection passive vibration subassembly, avoid passive vibration subassembly to collide with other parts in the in-process of using or assembling and impaired or break, do benefit to the performance and the life who guarantees the speaker module.
Drawings
Fig. 1 is an exploded view of a speaker module according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an overall structure of a speaker module according to a first embodiment of the present invention;
fig. 3 is a cross-sectional view of a speaker module according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a speaker module with another structure according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a speaker module with another structure according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of a speaker module with another structure according to a first embodiment of the present invention.
Description of reference numerals:
1. an upper shell;
2. a lower case;
3. a speaker unit;
4. an acoustic back volume;
5. windowing;
6. a passive vibrating assembly;
7. a sound outlet channel cover plate;
8. a sound outlet pipe;
9. bent part
10. An FPC board.
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 6, a speaker module includes a housing and a speaker unit 3 disposed in the housing, the housing further includes an acoustic rear cavity 4, a window 5 communicating with the acoustic rear cavity 4 is disposed on one side of the housing, a passive vibration component 6 is disposed at the window 5, and a sound outlet cover plate 7 disposed on the housing, the sound outlet cover plate 7 is a hollow shell with an opening at the bottom, the passive vibration component 6 is covered by the sound outlet cover plate 7, and a sound outlet hole is disposed on one side of the cover plate.
From the above description, the beneficial effects of the present invention are: the sound channel cover plate 7 covering the passive vibration component 6 is arranged on the shell, so that sufficient vibration space of the passive vibration component 6 is ensured, and the stable resistance of the rear cavity is ensured, thereby ensuring the stability of frequency response after the loudspeaker module is assembled with different complete machines, optimizing the hearing and improving the performance of the loudspeaker module; simultaneously, can also be abundant the protection passive vibration subassembly 6, avoid passive vibration subassembly 6 to collide with other parts in the in-process of using or assembling and impaired or break, do benefit to the performance and the life who guarantee the speaker module.
Further, still including locating sound outlet pipe 8 on the shell, sound outlet pipe 8's one end intercommunication the sound hole, sound outlet pipe 8's the other end intercommunication is external.
Further, an end face of one end of the sound outlet pipe 8, which is far away from the sound outlet cover plate 7, is aligned with one side wall of the housing.
According to the description, the shape, the width and the length of the sound outlet pipeline 8 are not limited, the sound outlet pipeline can be debugged according to actual performance, one end, far away from the sound outlet channel cover plate 7, of the sound outlet pipeline 8 is matched with the whole machine and then conducted to the outside of the whole machine, the stability of the resistance of the rear cavity can be guaranteed to the greatest extent, and further optimization of the hearing sense is facilitated.
Further, the section of the sound outlet pipeline 8 is concave.
As can be seen from the above description, the sound emitting duct 8 has a simple structure and is easy to manufacture.
Further, the sound outlet cover plate 7 and the sound outlet pipe 8 are of an integrated structure.
From the above description, the sound outlet channel cover plate 7 and the sound outlet pipeline 8 of the integrated structure are convenient to process and assemble, production efficiency is improved, and manufacturing cost is saved.
Further, the sound outlet cover plate 7 and the sound outlet pipeline 8 are injection-molded parts.
As can be seen from the above description, the integrated sound outlet cover 7 and sound outlet duct 8 are easy to mold and inexpensive to manufacture.
Further, the sound outlet duct 8 comprises at least one bend 9.
As will be apparent from the above description, the particular configuration of the sound outlet duct 8 may be arranged as desired.
Further, the sound outlet cover plate 7 is adhered to the housing.
Furthermore, the shell comprises an upper shell 1 and a lower shell 2 which are connected, and the windowing 5, the passive vibration component 6 and the sound outlet cover plate 7 are respectively arranged on the upper shell 1.
Further, the passive vibration element 6 comprises a diaphragm and/or a vibrating plate.
Example one
Referring to fig. 1 to 6, a first embodiment of the present invention is: a speaker module is applied to portable electronic devices such as but not limited to mobile phones, notebook computers and hearing aids.
Referring to fig. 1 to 3, the speaker module includes a housing and a speaker unit 3 disposed in the housing, the housing further includes an acoustic rear cavity 4, a window 5 communicating with the acoustic rear cavity 4 is disposed on one side of the housing, a passive vibration component 6 is disposed at the window 5, and a sound outlet cover plate 7 disposed on the housing, the sound outlet cover plate 7 is a hollow shell with an opening at the bottom, the passive vibration component 6 is covered by the sound outlet cover plate 7, and a sound outlet hole is disposed on one side of the cover plate.
Optionally, the sound outlet cover plate 7 is adhered to the housing, but it is also possible that the sound outlet cover plate 7 is fixed to the housing by other means, such as a snap connection, a screw connection, and the like.
Specifically, the housing comprises an upper housing 1 and a lower housing 2 which are connected, and the windowing 5, the passive vibration component 6 and the sound outlet cover plate 7 are respectively arranged on the upper housing 1; the passive vibration component 6 comprises a vibration membrane and/or a vibration sheet; the speaker unit 3 is conducted to an external power source through the FPC board 10.
In order to communicate the sound outlet hole to the outside of the whole speaker and optimize the performance of the speaker module to the greatest extent, the speaker module of the embodiment further comprises a sound outlet pipeline 8 arranged on the shell, one end of the sound outlet pipeline 8 is communicated with the sound outlet hole, and the other end of the sound outlet pipeline 8 is communicated with the outside. Please refer to fig. 2 and fig. 4 to fig. 6, the specific direction of the sound outlet duct 8 can be selected according to the requirement, so as to greatly enrich the diversity of the speaker module.
Optionally, an end face of one end of the sound outlet pipe 8 far away from the sound outlet cover plate 7 is aligned with one side wall of the shell; the section of the sound outlet pipeline 8 is concave. Preferably, the sound outlet cover 7 and the sound outlet duct 8 are of an integral structure, for example, the sound outlet cover 7 and the sound outlet duct 8 are injection molded integrally.
As shown in fig. 6, optionally, the sound outlet duct 8 comprises at least one bend 9.
To sum up, the loudspeaker module provided by the utility model has stable rear cavity resistance, so that the loudspeaker module can be assembled with different complete machines to ensure good frequency response stability, optimize the listening sensation and improve the performance of the loudspeaker module; simultaneously, this speaker module novel structure, long service life, user experience is good.
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 loudspeaker module, includes the shell and locates the speaker monomer in the shell, still be equipped with the acoustics back cavity in the shell, one side of shell is equipped with the intercommunication the windowing of acoustics back cavity, the department of windowing is equipped with passive vibration subassembly, its characterized in that: still including locating play sound channel apron on the shell, it has open-ended hollow structure's casing to go out the sound channel apron, it establishes to go out the sound channel apron cover passive vibration subassembly, one side of apron is equipped with the phonate hole.
2. The speaker module of claim 1, wherein: still including locating play sound pipeline on the shell, the one end intercommunication of play sound pipeline play the sound hole, the other end intercommunication external world of play sound pipeline.
3. The speaker module as claimed in claim 2, wherein: the end face of one end, far away from the sound outlet channel cover plate, of the sound outlet pipeline is aligned with one side wall of the shell.
4. The speaker module as claimed in claim 2, wherein: the section of the sound outlet pipeline is concave.
5. The speaker module as claimed in claim 2, wherein: the sound channel cover plate and the sound channel are of an integrated structure.
6. The speaker module of claim 5, wherein: the sound channel cover plate and the sound channel are injection-molded parts.
7. The speaker module as claimed in claim 2, wherein: the sound emitting duct comprises at least one bend.
8. The speaker module of claim 1, wherein: the sound outlet channel cover plate is bonded on the shell.
9. The speaker module of claim 1, wherein: the shell comprises an upper shell and a lower shell which are connected, and the window opening, the passive vibration assembly and the sound channel cover plate are respectively arranged on the upper shell.
10. The speaker module of claim 1, wherein: the passive vibration component comprises a vibration membrane and/or a vibration plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022393029.4U CN213586260U (en) | 2020-10-23 | 2020-10-23 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022393029.4U CN213586260U (en) | 2020-10-23 | 2020-10-23 | Loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213586260U true CN213586260U (en) | 2021-06-29 |
Family
ID=76528770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022393029.4U Active CN213586260U (en) | 2020-10-23 | 2020-10-23 | Loudspeaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213586260U (en) |
-
2020
- 2020-10-23 CN CN202022393029.4U patent/CN213586260U/en active Active
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