Loudspeaker module and electronic equipment

The speaker module design, which uses separate main and auxiliary housings, solves the high cost problem caused by differences in internal space between different equipment models, and achieves improved low-frequency sound performance and reduced costs, making it suitable for a variety of equipment models.

CN224192046UActive Publication Date: 2026-05-01BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Filing Date
2025-04-18
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

The internal space dimensions of different electronic devices vary greatly, which means that speaker modules need to be designed separately for each model, increasing research and development and material costs.

Method used

The design adopts a split molding of the main shell and the auxiliary shell. The speaker body is installed in the main shell, which divides its internal chamber into a front chamber and a rear chamber. The internal chamber of the auxiliary shell is connected to the rear chamber of the main shell. The chambers are connected by the first and second connectors and sealed with a seal to ensure airtightness. The main shell and the auxiliary shell can be designed and use different molds.

Benefits of technology

While ensuring sound performance, it reduces R&D and material costs, is suitable for various equipment models, and improves the low-frequency sound performance and assembly efficiency of speaker modules.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a loudspeaker module. The loudspeaker module comprises a main shell, a loudspeaker body and an auxiliary shell, the main shell and the auxiliary shell are formed in a split mode. The loudspeaker body is mounted in the main shell and divides an internal cavity of the main shell into a front cavity and a rear cavity; and the inner cavity of the auxiliary shell is communicated with the rear cavity of the main shell. On the premise of ensuring the sound production performance of the loudspeaker module, the research and development labor cost and material cost can be reduced.
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Description

Speaker modules and electronic devices Technical Field

[0001] This disclosure relates to the field of electronic equipment technology, and in particular to a speaker module and electronic equipment. Background Technology

[0002] Electronic devices such as mobile phones, tablets, or laptops typically include speaker modules. These speaker modules enable electronic devices to play audio according to the user's needs.

[0003] In related technologies, due to the significant differences in the available internal space of electronic devices of different models, it is necessary to design speaker modules separately for different models.

[0004] However, designing speaker modules separately for different models results in higher R&D manpower costs, mold and material costs for each model. Summary of the Invention

[0005] In view of this, the present disclosure provides a speaker module and electronic device that can reduce R&D manpower and material costs while ensuring the sound performance of the speaker module.

[0006] Specifically, the following technical solutions are included:

[0007] In a first aspect, embodiments of this disclosure provide a speaker module, including a main housing, a speaker body, and an auxiliary housing;

[0008] The main shell and the auxiliary shell are formed separately.

[0009] The speaker body is installed inside the main housing, and the internal chamber of the main housing is divided into a front chamber and a rear chamber;

[0010] The internal cavity of the auxiliary housing is connected to the rear cavity of the main housing.

[0011] Optionally, the main housing has a first connector, the first connector having a first through hole;

[0012] The auxiliary housing has a second connector, and the second connector has a second through hole;

[0013] The first connector and the second connector are sealed together. The first through hole connects the rear cavity and the second through hole, and the second through hole connects the first through hole and the internal cavity of the auxiliary housing.

[0014] Optionally, the first connector protrudes relative to the outer surface of the main housing, and the second connector protrudes relative to the outer surface of the auxiliary housing.

[0015] Optionally, seals may also be included;

[0016] The sealing element is located between the first connector and the second connector, sealing the gap between the first connector and the second connector.

[0017] Optionally, the seal may include a silicone seal or a foam seal.

[0018] Optionally, the first connector has a first mounting slope at the end near the second connector, and the second connector has a second mounting slope at the end near the first connector;

[0019] The first mounting bevel forms an acute angle with the protruding extension direction of the first connector, and the second mounting bevel forms an acute angle with the protruding extension direction of the second connector.

[0020] The first mounting ramp and the second mounting ramp are opposite to each other and are sealed together.

[0021] Optionally, the first connector has opposing first inner sidewalls and second inner sidewalls, the extension directions of the first inner sidewalls and the second inner sidewalls being parallel and forming an acute angle with the protruding extension direction of the first connector.

[0022] The second connector has opposing third and fourth inner sidewalls, the extension directions of the third and fourth inner sidewalls being parallel and forming an acute angle with the protruding extension direction of the second connector.

[0023] The first inner sidewall is connected to the third inner sidewall, and the second inner sidewall is connected to the fourth inner sidewall.

[0024] Optionally, either the first inner wall or the second inner wall forms an acute angle with either the third inner wall or the fourth inner wall.

[0025] Optionally, the main housing also has a sound-guiding structure, which forms a sound-emitting channel that communicates with the front cavity.

[0026] Optionally, the main housing has a speaker mounting component, and the speaker body is mounted on the speaker mounting component.

[0027] Secondly, embodiments of this disclosure provide an electronic device, characterized in that it includes any of the speaker modules described above.

[0028] Optionally, the electronic device has a sound outlet, and the main housing of the speaker module also has a sound outlet guiding structure, which forms a sound outlet channel. One end of the sound outlet channel is connected to the front cavity of the main housing, and the other end of the sound outlet channel is connected to the sound outlet.

[0029] Optionally, the electronic device further includes an antenna module, which includes a resonant module installed within the auxiliary housing.

[0030] This disclosure provides a speaker module and an electronic device. The speaker module includes a main housing and an auxiliary housing. The speaker body is installed inside the main housing, which divides the inner cavity of the main housing into a front cavity and a rear cavity. The internal chamber of the auxiliary housing communicates with the rear cavity of the main housing, thereby increasing the total volume of the rear cavity of the speaker module and giving the speaker module better low-frequency sound performance. The main housing and the auxiliary housing are manufactured separately, so the main housing and the auxiliary housing can be designed and manufactured using different molds. For example, a universal main housing can be used for various different device models, while the auxiliary housing is specifically designed according to the internal space of each device model. This can effectively reduce the manpower and material costs required for equipment upgrades and iterations. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 is a schematic diagram of the structure of a speaker module provided in an embodiment of this disclosure;

[0033] Figure 2 is an exploded structural diagram of a speaker module provided in an embodiment of this disclosure;

[0034] Figure 3 is an exploded structural diagram of another speaker module provided in an embodiment of this disclosure;

[0035] Figure 4 is a cross-sectional view of a speaker module provided in an embodiment of this disclosure;

[0036] Figure 5 is a cross-sectional view of another speaker module provided in an embodiment of this disclosure;

[0037] Figure 6 is a partial structural schematic diagram of an electronic device provided in an embodiment of this disclosure;

[0038] Figure 7 is a partial cross-sectional view of an electronic device provided in an embodiment of this disclosure.

[0039] The reference numerals in the figure indicate:

[0040] 10-Main housing; 101-Front cavity; 102-Rear cavity; 103-First connector; 1031-First through hole; 1032-First mounting slope; 1033-First inner wall; 1034-Second inner wall; 104-Sound guide structure; 1041-Sound channel; 105-Speaker mounting component;

[0041] 11-Speaker body;

[0042] 12-Auxiliary housing; 121-Second connector; 1211-Second through hole; 1212-Second mounting slope; 1213-Third inner wall; 1214-Fourth inner wall;

[0043] 13-Seals;

[0044] 14 - Sound outlet;

[0045] 15 - Antenna module; 151 - Resonant module.

[0046] The accompanying drawings have illustrated specific embodiments of this disclosure, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concepts of this disclosure to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0047] The technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0048] The directional terms used in the embodiments of this disclosure, such as "up," "down," and "side," are generally based on the orientation shown in the figures or the relative orientation between structures when the speaker modules are conventionally arranged. These directional terms are used merely to more clearly describe the relationships between structures, not to describe absolute orientation. The orientation may change when the speaker modules are arranged in different postures; for example, "up" and "down" may be interchanged.

[0049] Unless otherwise defined, all technical terms used in the embodiments of this disclosure have the same meaning as commonly understood by one of ordinary skill in the art.

[0050] To make the technical solutions and advantages of this disclosure clearer, the embodiments of this disclosure will be described in further detail below with reference to the accompanying drawings.

[0051] In a first aspect, embodiments of this disclosure provide a speaker module.

[0052] Referring to Figures 1-5, the speaker module of this embodiment includes a main housing 10, a speaker body 11, and an auxiliary housing 12;

[0053] The main shell 10 and the auxiliary shell 12 are formed separately.

[0054] The speaker body 11 is installed inside the main housing 10, and the internal chamber of the main housing 10 is divided into a front chamber 101 and a rear chamber 102.

[0055] The internal cavity of the auxiliary housing 12 is connected to the rear cavity 102 of the main housing 10.

[0056] The speaker module provided in this embodiment includes a main housing and an auxiliary housing. The speaker body is installed inside the main housing, which divides the inner cavity of the main housing into a front cavity and a rear cavity. The internal chamber of the auxiliary housing communicates with the rear cavity of the main housing, thereby increasing the total volume of the rear cavity of the speaker module and giving the speaker module better low-frequency sound performance. The main housing and the auxiliary housing are manufactured separately, so the main housing and the auxiliary housing can be designed and manufactured using different molds. For example, a universal main housing can be set for various different models of equipment, while the auxiliary housing is specifically designed according to the internal space of each model of equipment. This can effectively reduce the manpower and material costs required for equipment upgrades and iterations.

[0057] It should be noted that, to ensure the speaker body can drive air to produce sound, the front cavity needs to be connected to the outside air, while the rear cavity needs to be kept sealed. In this embodiment, the larger cavity formed after the rear cavity of the main housing is connected to the internal cavity of the auxiliary housing also needs to be kept sealed.

[0058] In some embodiments, referring to Figures 1-5, the main housing 10 has a first connector 103, and the first connector 103 has a first through hole 1031;

[0059] The auxiliary housing 12 has a second connector 121, and the second connector 121 has a second through hole 1211;

[0060] The first connector 103 and the second connector 121 are sealed together. The first through hole 1031 connects the rear cavity 102 and the second through hole 1211. The second through hole 1211 connects the first through hole 1031 and the internal cavity of the auxiliary housing 12.

[0061] In this embodiment, the main housing and the auxiliary housing are connected by through holes in the first and second connectors to expand the overall rear cavity volume of the speaker module and improve its low-frequency sound performance. The dedicated first and second connectors improve the assembly efficiency of the main housing and the auxiliary housing, and facilitate ensuring the airtightness of the connection between them.

[0062] Optionally, referring to Figures 2-3, the first connector 103 protrudes relative to the outer surface of the main housing 10, and the second connector 121 protrudes relative to the outer surface of the auxiliary housing 12.

[0063] Based on the above setup, it can be ensured that after the main shell and auxiliary shell are manufactured separately, the two shells can be connected by relatively protruding connectors, thereby improving assembly efficiency.

[0064] In some embodiments, referring to Figures 2-3, the speaker module further includes a seal 13;

[0065] The seal 13 is located between the first connector 103 and the second connector 121, sealing the gap between the first connector 103 and the second connector 121.

[0066] In this embodiment, a sealing element is also provided between the first connector and the second connector. The sealing element can effectively ensure the sealing of the connection between the two connectors and ensure the overall airtightness of the rear cavity of the speaker module.

[0067] It should be noted that the shape of the seal matches the shape of the mating surfaces of the first and second connectors to ensure unobstructed communication between the two housings. Specifically, referring to Figures 2-3, the seal also has a through hole to allow communication between the first and second through holes. The dimensions and shapes of the end of the first through hole near the second through hole, the through hole of the seal, and the end of the second through hole near the first through hole can all be identical to ensure good connectivity.

[0068] Optionally, the seal 13 may include a silicone seal or a foam seal. Using silicone or foam as a sealing structure can effectively ensure a tight seal.

[0069] In some embodiments, referring to Figures 2-3, the first connector 103 has a first mounting slope 1032 at the end near the second connector 121, and the second connector 121 has a second mounting slope 1212 at the end near the first connector 103.

[0070] The first mounting inclined surface 1032 forms an acute angle with the protruding extension direction of the first connector 103, and the second mounting inclined surface 1212 forms an acute angle with the protruding extension direction of the second connector 121.

[0071] The first mounting ramp 1032 and the second mounting ramp 1212 are opposite to each other and are sealed together.

[0072] It should be noted that the protruding extension direction here refers to the direction in which the first or second connector protrudes and extends relative to the main or auxiliary housing. The first and second connectors can take on various shapes such as cuboid, frustum, and polygonal prism, which will not be elaborated on here.

[0073] In this embodiment, the connecting surfaces of the first and second connectors are both inclined surfaces relative to their protruding extension directions. This ensures that when assembling the main housing and auxiliary housing using, for example, a colloid, the direction of force applied to the auxiliary housing or main housing can include not only the protruding extension directions of the first and second connectors, but also directions perpendicular to the protruding extension directions of the two connectors (i.e., force can be applied at an angle relative to the protruding extension directions of the two connectors). This makes manual or machine operation more convenient, assembly efficiency higher, and the assembly effect better. In addition, the above-mentioned arrangement can increase the area of ​​the mounting surface between the two connectors, thereby providing a larger area for setting the seal, which is beneficial to improving the sealing effect at the connection position.

[0074] In some embodiments, referring to Figures 4-5, the first connector 103 has opposing first inner sidewalls 1033 and second inner sidewalls 1034, the extending directions of the first inner sidewalls 1033 and the second inner sidewalls 1034 being parallel and forming an acute angle with the protruding extending direction of the first connector 103.

[0075] The second connector 121 has a third inner wall 1213 and a fourth inner wall 1214, which are parallel to each other and form an acute angle with the protruding extension direction of the second connector 121.

[0076] The first inner wall 1033 is connected to the third inner wall 1213, and the second inner wall 1034 is connected to the fourth inner wall 1214.

[0077] It should be noted that "parallel" here includes not only strict parallelism but also approximate parallelism. The first and second inner sidewalls mentioned above are actually partial sidewalls forming the first through hole. The third and fourth inner sidewalls mentioned above are actually partial sidewalls forming the second through hole.

[0078] In this embodiment, by making the first and second inner sidewalls of the first connector parallel, the size of the first through hole remains essentially constant, always maintaining a large airflow cross-sectional area. Furthermore, by making the extending directions of the first and second inner sidewalls form an acute angle with the protruding extending direction of the first connector (i.e., the first and second inner sidewalls extend at an angle relative to the overall protruding extending direction of the first connector), the width of the connecting surface (which is similar to a ring) of the first connector used for connecting with the second connector can be increased. The same applies to the second connector. Thus, the sealing element or adhesive disposed between the first and second connectors has a larger width in at least a portion of the area, which is beneficial for ensuring the overall sealing or bonding effect.

[0079] Optionally, referring to Figures 4-5, either the first inner wall 1033 or the second inner wall 1034 forms an acute angle with either the third inner wall 1213 or the fourth inner wall 1214.

[0080] The above-mentioned arrangement actually limits the extension direction of the first through hole of the first connector to be non-parallel to the extension direction of the second through hole of the second connector. This ensures that the first through hole and the second through hole can be roughly located at the center of the first connector and the second connector respectively, without excessive tilting extension that would cause the local strength of the first connector or the second connector to be too low and prone to breakage.

[0081] In some embodiments, referring to Figures 4-5, the main housing 10 further has a sound-guiding structure 104, which forms a sound-guiding channel 1041 that communicates with the front cavity 101.

[0082] By using an output channel, the sound emitted by the speaker module can be transmitted better.

[0083] In some embodiments, referring to Figures 2-5, the main housing 10 has a speaker mounting member 105, and the speaker body 11 is mounted on the speaker mounting member 105.

[0084] In this embodiment, the speaker mounting component makes the installation of the speaker body more convenient and facilitates the separation of the front and rear cavities of the main housing. As shown in Figures 4-5, the speaker mounting component can work together with the speaker body to separate the front and rear cavities. The sound guide structure can also be connected to the speaker mounting component or integrated with it as a single unit. The sound guide structure can cooperate with the speaker mounting component and the speaker body to separate the front and rear cavities.

[0085] In summary, the embodiments of this disclosure provide a speaker module in which the main housing and auxiliary housing are separately formed. By utilizing the cooperation between the main housing and the auxiliary housing, the volume of the rear cavity of the speaker module can be fully expanded according to the available space inside different electronic devices, thereby enabling the speaker module to have better sound performance. Furthermore, the main housing can be configured with a shape and size that is universal for various device models, while the auxiliary housing can be adjusted to maximize the use of internal space in different device models. This reduces R&D and material costs while significantly improving the performance of different devices.

[0086] On the other hand, embodiments of this disclosure provide an electronic device including any of the speaker modules described above.

[0087] The speaker module of the electronic device provided in this disclosure includes a main housing and an auxiliary housing. The speaker body is installed in the main housing, which divides the inner cavity of the main housing into a front cavity and a rear cavity. The internal chamber of the auxiliary housing communicates with the rear cavity of the main housing, thereby increasing the total volume of the rear cavity of the speaker module and giving the speaker module better low-frequency sound performance. The main housing and the auxiliary housing are manufactured separately, so the main housing and the auxiliary housing can be designed and manufactured using different molds. For example, a universal main housing can be set for various different models of devices, while the auxiliary housing is specifically designed according to the internal space of each model of device. This can effectively reduce the human resource and material costs required for equipment upgrades and iterations.

[0088] Optionally, referring to Figures 6-7, the electronic device has a sound outlet 14, and the main housing 10 of the speaker module also has a sound outlet guiding structure 104. The sound outlet guiding structure 104 forms a sound outlet channel 1041. One end of the sound outlet channel 1041 is connected to the front cavity 101 of the main housing 10, and the other end of the sound outlet channel 1041 is connected to the sound outlet 14.

[0089] Based on the above settings, it can be ensured that the sound propagates quickly when the speaker module emits sound, thus ensuring better audio playback characteristics of the device.

[0090] Optionally, referring to FIG6, the electronic device further includes an antenna module 15, which includes a resonant module 151, which is installed inside the auxiliary housing 12.

[0091] Based on the above setup, the auxiliary housing can be reused by the antenna module, thereby effectively improving the internal space utilization efficiency of the equipment. The resonant module here can also be called a resonant cavity module.

[0092] In summary, the embodiments of this disclosure provide an electronic device in which the main housing and auxiliary housing of a speaker module are separately formed. By utilizing the cooperation between the main housing and the auxiliary housing, the volume of the rear cavity of the speaker module can be fully expanded according to the available space inside different electronic devices, thereby enabling the speaker module to have better sound performance. Furthermore, the main housing can be set to a shape and size that is universal for various device models, while the auxiliary housing can be adjusted to maximize the use of internal space in different device models. This reduces R&D and material costs while significantly improving the performance of different devices.

[0093] In this disclosure, the terms “first” and “second” are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The term “multiple” means two or more, unless otherwise expressly defined.

[0094] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This disclosure is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only.

[0095] It should be understood that this disclosure is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this disclosure is limited only by the appended claims.

Claims

1. A speaker module, characterized in that, It includes a main housing (10), a speaker body (11), and an auxiliary housing (12); the main housing (10) and the auxiliary housing (12) are separately formed; the speaker body (11) is installed in the main housing (10) and divides the internal cavity of the main housing (10) into a front cavity (101) and a rear cavity (102); the internal cavity of the auxiliary housing (12) is connected to the rear cavity (102) of the main housing (10).

2. The speaker module according to claim 1, characterized in that, The main housing (10) has a first connector (103) with a first through hole (1031); the auxiliary housing (12) has a second connector (121) with a second through hole (1211); the first connector (103) and the second connector (121) are sealed together, the first through hole (1031) connects the rear cavity (102) and the second through hole (1211), and the second through hole (1211) connects the first through hole (1031) and the internal cavity of the auxiliary housing (12).

3. The speaker module according to claim 2, characterized in that, The first connector (103) protrudes relative to the outer surface of the main housing (10), and the second connector (121) protrudes relative to the outer surface of the auxiliary housing (12).

4. The speaker module according to claim 2, characterized in that, It also includes a seal (13); the seal (13) is located between the first connector (103) and the second connector (121) to seal the gap between the first connector (103) and the second connector (121).

5. The speaker module according to claim 4, characterized in that, The seal (13) includes a silicone seal or a foam seal.

6. The loudspeaker module according to any one of claims 2-5, characterized in that, The first connector (103) has a first mounting bevel (1032) at the end near the second connector (121), and the second connector (121) has a second mounting bevel (1212) at the end near the first connector (103); the first mounting bevel (1032) forms an acute angle with the protruding extension direction of the first connector (103), and the second mounting bevel (1212) forms an acute angle with the protruding extension direction of the second connector (121); the first mounting bevel (1032) and the second mounting bevel (1212) are opposite to each other and are sealed together.

7. The loudspeaker module according to any one of claims 2-5, characterized in that, The first connector (103) has opposing first inner sidewalls (1033) and second inner sidewalls (1034), the extension directions of the first inner sidewalls (1033) and the second inner sidewalls (1034) being parallel and forming an acute angle with the protruding extension direction of the first connector (103); the second connector (121) has opposing third inner sidewalls (1213) and fourth inner sidewalls (1214), the extension directions of the third inner sidewalls (1213) and the fourth inner sidewalls (1214) being parallel and forming an acute angle with the protruding extension direction of the second connector (121); the first inner sidewall (1033) is connected to the third inner sidewall (1213), and the second inner sidewall (1034) is connected to the fourth inner sidewall (1214).

8. The speaker module according to claim 7, characterized in that, The first inner wall (1033) and the second inner wall (1034) form an acute angle with the third inner wall (1213) and the fourth inner wall (1214).

9. The speaker module according to any one of claims 1-5 and 8, characterized in that, The main housing (10) also has a sound-guiding structure (104), which forms a sound-guiding channel (1041) and is connected to the front cavity (101).

10. The speaker module according to any one of claims 1-5 and 8, characterized in that, The main housing (10) has a speaker mounting component (105) inside, and the speaker body (11) is mounted on the speaker mounting component (105).

11. An electronic device, characterized in that, Includes the speaker module as described in any one of claims 1-10.

12. The electronic device according to claim 11, characterized in that, The electronic device has a sound outlet (14), and the main housing (10) of the speaker module also has a sound outlet guiding structure (104). The sound outlet guiding structure (104) forms a sound outlet channel (1041). One end of the sound outlet channel (1041) is connected to the front cavity (101) of the main housing (10), and the other end of the sound outlet channel (1041) is connected to the sound outlet (14).

13. The electronic device according to any one of claims 11-12, characterized in that, The electronic device also includes an antenna module (15), which includes a resonant module (151) and is installed inside the auxiliary housing (12).