CN112468905A - Sound cavity assembly and electronic device - Google Patents

Abstract

The application discloses sound chamber subassembly and electron device, sound chamber subassembly includes: an upper cover body; the horn-shaped cover comprises a horn support, an upper cover body and the horn support are connected in a matched mode and limit a first sealing cavity and a second sealing cavity, the first sealing cavity and the second sealing cavity are arranged in the left-right direction of the upper cover body at intervals, the first sealing cavity is located on the left side of the second sealing cavity, and the first sealing cavity is communicated with the second sealing cavity; the platelet is established between last lid and the loudspeaker support, and the platelet is separated into two sub-sealed chambeies with the sealed chamber of second, and two sub-sealed chambeies are spaced apart on the thickness direction of last lid and are arranged, and two sub-sealed chambeies are linked together. According to the sound chamber subassembly of this application embodiment, two independent sealed chambeies about dividing at last lid, separate two sub-sealed chambeies through the platelet with the sealed chamber on right side (being the second sealed chamber) and form a big loudspeaker back cavity jointly, under the prerequisite of guaranteeing sealed effect, improved the volume in sound chamber, and then improved the high-quality demand to tone quality.

Description

Sound cavity assembly and electronic device

Technical Field

The application relates to the technical field of acoustic devices, in particular to a sound cavity assembly and an electronic device.

Background

In the related art, a BOX sound cavity (BOX sound cavity refers to a technology capable of effectively maximizing the vibration space volume of a speaker in a small space) has two sealing methods:

one is that the upper cover is cotton sealed with the platelet through sealed bubble earlier, the platelet is cotton sealed with the loudspeaker support again through sealed bubble, trompil link up the loudspeaker cavity that forms a intercommunication in the middle of the platelet, both sides all have a narrow platelet about the loudspeaker body of this kind of mode, when the upper and lower direction size of sound chamber subassembly reduces, because width size is fixed about the loudspeaker, the event can lead to the actual width of setting for of platelet can exceed the minimum, thereby must excise two upper and lower platelets, make the sealing performance of this sound chamber subassembly poor, can't realize sealed effect even.

The other type is that the upper cover is directly sealed with the horn bracket through foam, and does not have a sealing relation with the small plate, when the size of the upper direction and the lower direction of the sound cavity assembly is reduced by adopting the mode, the service space of each part on the small plate is insufficient, and the volume of the rear cavity of the horn is limited, so that the expected quality requirement cannot be realized. Therefore, improvements are needed in the art.

Disclosure of Invention

The application provides a sound chamber subassembly, sound chamber subassembly sealed effectual, sound chamber volume is great, can satisfy the high-quality demand to tone quality.

The application also provides an electronic device with the sound cavity assembly.

The sound cavity assembly according to the embodiment of the first aspect of the application comprises: an upper cover body; the horn bracket is matched and connected with the upper cover body and the horn bracket and defines a first sealing cavity and a second sealing cavity, the first sealing cavity and the second sealing cavity are arranged at intervals in the left-right direction of the upper cover body, the first sealing cavity is positioned on the left side of the second sealing cavity, and the first sealing cavity is communicated with the second sealing cavity; the small plate is arranged between the upper cover body and the horn bracket, the second sealing cavity is divided into two sub sealing cavities by the small plate, the two sub sealing cavities are arranged in the thickness direction of the upper cover body at intervals, and the two sub sealing cavities are communicated.

According to the sound chamber subassembly of this application embodiment, through the cooperation between last lid and the horn support for two independent sealed chambeies about the lid divides out, and further separate out two sub-sealed chambeies with the sealed chamber on right side (being the second sealed chamber) through the platelet, three sealed chamber communicates in proper order moreover, forms a big loudspeaker back chamber jointly, under the prerequisite of guaranteeing sealed effect, has improved the volume in sound chamber, and then has improved the high-quality demand to tone quality.

An electronic device according to an embodiment of a second aspect of the present application includes: the sound cavity assembly according to the above embodiments; and the driving device is arranged at the upper right part of the small plate of the sound cavity assembly.

According to the electronic device of this application embodiment, through the cooperation between last lid and the loudspeaker support for two independent sealed chambeies about going up the lid and dividing, and further separate two sub-sealed chambeies with the sealed chamber on right side (being the second sealed chamber) through the platelet, three sealed chamber communicates in proper order moreover, forms a big loudspeaker back chamber jointly, under the prerequisite of guaranteeing sealed effect, has improved the volume in sound chamber, and then has improved the high-quality demand to tone quality.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a partial structure of a sound cavity assembly according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a partial structure of a sound cavity assembly according to another embodiment of the present application;

FIG. 3 is a schematic structural view of a horn support according to an embodiment of the present application;

FIG. 4 is a schematic view of another perspective of a horn support according to an embodiment of the present application;

FIG. 5 is a schematic view of a horn support according to an embodiment of the present application from yet another perspective;

FIG. 6 is a schematic diagram of a partial structure of a sound cavity assembly according to yet another embodiment of the present application;

FIG. 7 is a perspective view of an electronic device according to an embodiment of the present application;

FIG. 8 is a front view of an electronic device according to an embodiment of the present application;

fig. 9 is a side view of an electronic device according to an embodiment of the application.

Reference numerals:

the electronic device 100, the housing 110, the upper cover 10, the horn bracket 20, the horn body 21, the first sealing cavity 30, the first sub-sealing cavity 41, the second sub-sealing cavity 42, the small plate 50, the first through hole 51, the foam sealing member 60, the driving device 70, the BTB connector 80, and the charging interface 90.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

An acoustic cavity assembly according to an embodiment of the present application is described below with reference to fig. 1-6.

As shown in fig. 1, 2 and 6, the sound cavity assembly according to the embodiment of the present application includes: upper cover 10, horn holder 20, and small plate 50. Specifically, the upper cover 10 and the horn bracket 20 are coupled, and the upper cover 10 and the horn bracket 20 together define a first sealed cavity 30 and a second sealed cavity. Wherein the first and second seal cavities 30 and 30 are spaced apart in the left-right direction of the upper cover body 10, and the first seal cavity 30 is located at the left side of the second seal cavity, the first and second seal cavities 30 and 30 being in communication. It can be understood that the sound cavity area of the upper cover 10 is divided into two independent left and right sealed cavities by the mutual cooperation of the upper cover 10 and the horn support 20.

Further, the small plate 50 is disposed between the upper cover 10 and the horn holder 20, the small plate 50 divides the second sealed cavity into two sub-sealed cavities, the two sub-sealed cavities are spaced apart in the thickness direction of the upper cover 10, and the two sub-sealed cavities are communicated with each other. It is understood that the small plate 50 is disposed in the area of the second sealed cavity of the upper cover 10, and the second sealed cavity is divided into two sub-sealed cavities by the disposition of the small plate 50.

Therefore, through the cooperation of the upper cover 10 and the horn support 20 and the cooperation of the small plate 50 with the upper cover 10 and the horn support 20, the sound cavity area of the upper cover 10 is divided into three sealed cavities, and a larger horn rear cavity is formed.

According to the sound chamber subassembly of this application embodiment, through the cooperation between last lid 10 and the loudspeaker support 20, make and go up lid 10 and divide out two independent sealed chambeies about, and further separate two sub-sealed chambeies with the sealed chamber on right side (being the second sealed chamber) through platelet 50, three sealed chamber communicates in proper order moreover, form a big loudspeaker back chamber jointly, under the prerequisite of guaranteeing sealed effect, the volume in sound chamber has been improved, and then the high-quality demand to tone quality has been improved.

As shown in fig. 1, the sound cavity assembly includes a speaker body 21, wherein the speaker body 21 is disposed in the first sealed cavity 30, and the small plate 50 is disposed on the right side of the speaker body 21, so that even if the dimensions of the sound cavity assembly in the up-down direction are reduced, the dimensions of the small plate 50 in the up-down direction are not affected by the fixed dimensions of the speaker body 21, and the usage space of the small plate 50 is ensured to be sufficient.

As shown in fig. 2, according to an embodiment of the present application, a first through hole 51 is provided on the small plate 50, and the two sub-sealed cavities are communicated through the first through hole 51, so as to achieve the communication between the two sub-sealed cavities.

According to another embodiment of the present application, the two sub-sealed cavities are a first sub-sealed cavity 41 and a second sub-sealed cavity 42, the upper cover 10 and the small plate 50 define the first sub-sealed cavity 41, the small plate 50 and the horn support 20 define the second sub-sealed cavity 42, a second through hole is formed in the horn support 20, the second sub-sealed cavity 42 and the first sealed cavity 30 are communicated through the second through hole, and the first sealed cavity 30 and the second sub-sealed cavity 42 are communicated with each other through the second through hole in the horn support 20.

It can be understood that the two sub-sealed cavities (i.e. the first sub-sealed cavity 41 and the second sub-sealed cavity 42) are communicated, and the first sealed cavity 30 and the second sub-sealed cavity 42 are communicated, so that the first sub-sealed cavity 41, the second sub-sealed cavity 42 and the first sealed cavity 30 form a communicated sound cavity structure, thereby satisfying the high quality requirement for sound quality.

According to yet another embodiment of the present application, the first capsule 30 includes a plurality of first capsules 30 arranged in a spaced apart relationship, the plurality of first capsules 30 being in communication with each other. It will be appreciated that the cooperation between the upper cover 10 and the horn may define a plurality of independent first capsule chambers 30, and that the plurality of first capsule chambers 30 communicate with each other. In the description of the present application, "a plurality" means two or more.

It should be noted that the plurality of first sealed cavities 30 are formed as a plurality of independent cavity structures, and the plurality of first sealed cavities 30 are communicated with each other.

According to an alternative embodiment of the present application, the sound cavity assembly further comprises: the foam sealing member 60 seals between the upper cover 10 and the horn bracket 20 through the foam sealing member 60 to form a cavity structure of the first sealed cavity 30, and simultaneously, the sealing performance of the first sealed cavity 30 is ensured.

Further, the upper cover 10 and the small plate 50 are sealed by a foam sealing member 60 to form a cavity structure of the first sub-sealed cavity 41, and at the same time, the sealing performance of the first sub-sealed cavity 41 is ensured.

Further, the small plate 50 and the horn support 20 are sealed by a foam sealing member 60 to form a cavity structure of the second sub-sealed cavity 42, and the sealing performance of the second sub-sealed cavity 42 is ensured.

The electronic device 100 according to the embodiment of the second aspect of the present application includes: the sound cavity assembly according to the above embodiment; and the driving device 70, wherein the driving device 70 is arranged at the upper right of the small plate 50 of the sound cavity assembly.

In the related art, the driving device is disposed in the middle of the small plate in the left-right direction, or the driving device is disposed in the middle of the BOX sound cavity, when the size of the sound cavity assembly in the up-down direction is reduced, in order to ensure the volume of the rear cavity of the speaker, the distance between the driving device (such as a motor) and the earphone seat needs to be reduced as much as possible, and if the distance is too small, the electronic device 100 cannot realize the quick-charging function.

In the embodiment of the present application, by disposing the driving device 70 at the upper right of the small plate 50, even if the up-down dimension of the sound cavity assembly is reduced, the quick-charging function of the electronic device 100 is not disturbed. The quick charging requirement of the electronic device 100 can be realized, and the volume requirement of the rear cavity of the horn can be met.

According to the electronic device 100 of the embodiment of the application, through the cooperation between the upper cover body 10 and the horn support 20, make the upper cover body 10 divide out about two independent sealed chambeies, and further separate out two sub-sealed chambeies through the platelet 50 with the sealed chamber on right side (being the second sealed chamber), three sealed chambeies communicate in proper order moreover, form a big loudspeaker back chamber jointly, under the prerequisite of guaranteeing sealed effect, the volume in sound chamber has been improved, and then the high-quality demand to tone quality has been improved.

According to an optional example of the present application, the electronic device 100 further comprises: a BTB connector 80, the BTB connector 80 being provided at the upper end of the small board 50, and the BTB connector 80 being located at the left side of the driving device 70. It is understood that in the electronic device 100, the BTB connector 80 is connected to the main board and the sub board. BTB connector 80 refers to a board-to-board connector product, and BTB connector 80 is used to connect two pieces of PVB (polyvinyl butyral) to make mechanical and electrical connections.

In the related art, the upper cover is directly sealed with the horn holder by the foam and does not have a sealing relationship with the small plate, and in this way, when the up-down dimension of the sound cavity assembly is reduced, the use space of the upper components of the small plate is insufficient, for example, the space is insufficient for installing the BTB connector. In the embodiment of the present application, on the basis of ensuring the large volume of the rear cavity of the horn, the BTB connector 80 is installed on the left side of the driving device 70, so that the installation space of the BTB connector 80 is reserved.

Further, the lower extreme of upper cover body 10 is equipped with interface 90 that charges, and interface 90 and BTB connector 80 that charge set up relatively from top to bottom. It should be noted that the large current of charging interface 90 is transmitted to BTB connector 80 through small board 50, and further transmitted to the main board and the sub board of electronic device 100. As shown in fig. 2, the charging interface 90 and the BTB connector 80 are arranged up and down relatively, so that a large-current transmission path can be shortened, and a quick charging effect is further improved.

Further, the second sub-sealed cavity 42 is located between the BTB connector 80 and the charging interface 90 in the up-down direction, so that the structural arrangement is compact, and the space utilization is more reasonable.

In the embodiment of the present application, in the case that the up-down dimension of the sound cavity assembly is very greatly reduced, and the motor is placed in the upper right region of the small board 50, the small board 50 has a large installation space for the BTB connector 80, the volume of the rear cavity of the horn is large, and the small board 50 has an excessive space, so as to ensure the quick-charging function of the electronic device 100.

In the embodiment of the present application, in the case where the up-down direction size of the sound chamber assembly is extremely small, the area of the small plate 50 is enlarged in order to allow the small plate 50 to have an excessive current, and the small plate 50 divides the second sealed chamber into two sub-sealed chambers. Further, the first sealing cavity 30, the first sub sealing cavity 41 and the second sub sealing cavity 42 are separately sealed, and the first sealing cavity 30, the first sub sealing cavity 41 and the second sub sealing cavity 42 are communicated to form a horn rear cavity, so that the requirement of the electronic device 100 for large-current charging is met, and the requirement of the horn rear cavity for volume is met.

The definition of the "electronic device 100" described in the present application is as follows:

by way of example, the electronic device 100 may be any of various types of computer system equipment that is mobile or portable and performs wireless communications. Specifically, the electronic apparatus 100 may be a mobile phone or a smart phone (e.g., an iPhone (TM) based phone), a Portable game device (e.g., Nintendo DS (TM), PlayStation Portable (TM), game Advance (TM), iPhone (TM)), a laptop computer, a PDA, a Portable internet appliance, a music player and a data storage device, other handheld devices and a headset such as a watch, an in-ear headphone, a pendant, a headset, etc., and the electronic apparatus 100 may also be other wearable devices (e.g., a Headset (HMD) such as electronic glasses, electronic clothing, an electronic bracelet, an electronic necklace, an electronic tattoo, an electronic device, or a smart watch).

The electronic apparatus 100 may also be any of a number of electronic devices including, but not limited to, cellular phones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders, video recorders, cameras, other media recorders, radios, medical devices, vehicle transportation equipment, calculators, programmable remote controllers, pagers, laptop computers, desktop computers, printers, netbook computers, Personal Digital Assistants (PDAs), Portable Multimedia Players (PMPs), moving Picture experts group (MPEG-1 or MPEG-2) Audio layer (MP3) players, portable medical devices, and digital cameras, and combinations thereof.

In some cases, electronic device 100 may perform multiple functions (e.g., playing music, displaying videos, storing pictures, and receiving and sending telephone calls). If desired, the electronic apparatus 100 may be a portable device such as a cellular telephone, media player, other handheld device, wrist watch device, pendant device, earpiece device, or other compact portable device.

In one embodiment of the present application, referring to fig. 7-9, the electronic device 100 is a mobile phone. Further, the mobile phone includes a housing 110, and the mobile phone may further include radio frequency circuits, a memory, an input unit, a wireless fidelity (WiFi) module, a sensor, an audio circuit, a processor, a power supply, and the like.

The radio frequency circuit can be used for receiving and sending signals in the process of receiving and sending information or calling, and particularly, the radio frequency circuit receives the downlink information of the base station and then processes the downlink information; in addition, the uplink data of the mobile phone is sent to the base station. Typically, the radio frequency circuitry includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency circuitry may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Message Service (SMS), and the like.

The memory can be used for storing software programs and modules, and the processor executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory. The memory can mainly comprise a program storage area and a data storage area, wherein the program storage area can store an operating system, application programs (such as a sound playing function and an image playing function) required by at least one function and the like; the storage data area may store data (e.g., audio data, a phonebook, etc.) created according to the use of the cellular phone, etc. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The input unit may be used to receive input numeric or character information and generate key signals related to user settings and function control of the cellular phone. Specifically, the input unit may include a touch panel and other input devices. The touch panel, also called a touch screen, may collect touch operations of a user (for example, operations of the user on or near the touch panel using any suitable object or accessory such as a finger, a stylus, etc.) and drive the corresponding connection device according to a preset program. Alternatively, the touch panel may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor, and can receive and execute commands sent by the processor. In addition, the touch panel may be implemented in various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The input unit may include other input devices in addition to the touch panel. In particular, other input devices may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.

WiFi belongs to short-distance wireless transmission technology, and the electronic device 100 can help the user send and receive e-mails, browse web pages, access streaming media, etc. through the WiFi module, and it provides the user with wireless broadband internet access. It is understood that the WiFi module is not an essential component of the electronic device 100 and may be omitted entirely as needed within the scope of not changing the nature of the application.

In addition, the handset may also include, for example, attitude sensors, light sensors, and other sensors.

Specifically, the attitude sensor may also be referred to as a motion sensor, and as one of the motion sensors, a gravity sensor may be cited, which uses an elastic sensing element to make a cantilever-type displacer and uses an energy storage spring made of the elastic sensing element to drive an electrical contact, thereby realizing conversion of a change in gravity into a change in an electrical signal.

Another example of the motion sensor is an accelerometer sensor, which can detect the magnitude of acceleration in each direction (generally, three axes), detect the magnitude and direction of gravity when stationary, and can be used for applications for recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like.

In the embodiment of the present application, the motion sensors listed above may be used as elements for obtaining "attitude parameters" described later, but the present application is not limited thereto, and other sensors capable of obtaining "attitude parameters" fall within the protection scope of the present application, such as a gyroscope and the like, and the operation principle and data processing procedure of the gyroscope may be similar to those of the prior art, and the detailed description thereof is omitted here for avoiding redundancy.

In addition, in this embodiment of the application, as the sensor, other sensors such as a barometer, a hygrometer, a thermometer, and an infrared sensor may also be configured, which are not described herein again.

The light sensor may include an ambient light sensor that adjusts the brightness of the display panel according to the brightness of ambient light, and a proximity sensor that turns off the display panel and/or the backlight when the mobile phone is moved to the ear.

The audio circuitry, speaker and microphone may provide an audio interface between the user and the handset. The audio circuit can transmit the electric signal converted from the received audio data to the loudspeaker, and the electric signal is converted into a sound signal by the loudspeaker to be output; on the other hand, the microphone converts the collected sound signal into an electric signal, the electric signal is received by the audio circuit and then converted into audio data, and the audio data is processed by the audio data output processor and then sent to another mobile phone through the radio frequency circuit or output to the memory for further processing.

The processor is a control center of the electronic device 100, is installed on the circuit board assembly, connects various parts of the whole electronic device 100 by using various interfaces and lines, performs various functions of the electronic device 100 and processes data by running or executing software programs and/or modules stored in the memory and calling data stored in the memory, thereby performing overall monitoring of the electronic device 100. Alternatively, the processor may include one or more processing units; preferably, the processor may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications.

The power supply can be logically connected with the processor through the power management system, so that the functions of managing charging, discharging, power consumption management and the like are realized through the power management system. Although not shown, the electronic device 100 may further include a bluetooth module, a sensor (e.g., an attitude sensor, a light sensor, other sensors such as a barometer, a hygrometer, a thermometer, an infrared sensor, etc.), etc., which are not described in detail herein.

It is understood that the mobile phone is only an example of the electronic device 100, and the application is not limited thereto, for example, the electronic device 100 of the application may also be a tablet computer or the like.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A sound chamber assembly, comprising:

an upper cover body;

the horn bracket is matched and connected with the upper cover body and the horn bracket and defines a first sealing cavity and a second sealing cavity, the first sealing cavity and the second sealing cavity are arranged at intervals in the left-right direction of the upper cover body, the first sealing cavity is positioned on the left side of the second sealing cavity, and the first sealing cavity is communicated with the second sealing cavity;

the small plate is arranged between the upper cover body and the horn bracket, the second sealing cavity is divided into two sub sealing cavities by the small plate, the two sub sealing cavities are arranged in the thickness direction of the upper cover body at intervals, and the two sub sealing cavities are communicated.

2. The sound cavity assembly as claimed in claim 1, wherein the small plate is provided with a first through hole, and the two sub-sealed cavities are communicated with each other through the first through hole.

3. The sound cavity assembly according to claim 1, wherein the two sub-sealed cavities are a first sub-sealed cavity and a second sub-sealed cavity, the upper cover and the small plate define the first sub-sealed cavity, the small plate and the horn bracket define the second sub-sealed cavity, the horn bracket is provided with a second through hole, and the second sub-sealed cavity and the first sealed cavity are communicated through the second through hole.

4. The acoustic chamber assembly defined in claim 1 wherein the first capsule includes a plurality of capsules arranged in spaced apart relation, the plurality of capsules communicating with one another.

5. The sound chamber assembly as claimed in any one of claims 1-4, further comprising: and the upper cover body and the horn bracket are sealed through the foam sealing piece.

6. The acoustic chamber assembly defined in claim 5 wherein the upper cover is sealed to the small panel by the foam seal, and the small panel is sealed to the horn support by the foam seal.

7. An electronic device, comprising:

the sound cavity assembly as claimed in any one of claims 1-6;

and the driving device is arranged at the upper right part of the small plate of the sound cavity assembly.

8. The electronic device of claim 7, further comprising: a BTB connector provided at an upper end of the small plate, and the BTB connector is located at a left side of the driving device.

9. The electronic device according to claim 8, wherein a charging interface is provided at a lower end of the upper cover, and the charging interface and the BTB connector are arranged opposite to each other in the vertical direction.

10. The electronic device according to claim 9, wherein the second sub-sealed cavity is provided between the BTB connector and the charging interface in an up-down direction.

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