CN215268649U

CN215268649U - Audio assembly and mobile terminal

Info

Publication number: CN215268649U
Application number: CN202121553142.2U
Authority: CN
Inventors: 陈世平
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-21
Anticipated expiration: 2031-07-08

Abstract

The application relates to an audio assembly and a mobile terminal. The audio component comprises an audio device, a flexible circuit board and a bracket; the audio device is arranged on the first surface of the flexible circuit board, and the second surface of the flexible circuit board is arranged on the support; the support is provided with an audio channel, the audio channel is provided with a first opening close to one side of the flexible circuit board, and the audio device is correspondingly arranged at the first opening. The application provides audio frequency subassembly and mobile terminal, and the support is located to its audio frequency passageway for the setting of audio frequency passageway and the audio frequency hole that corresponds is more nimble, can set up the shape, the position of audio frequency passageway as required, correspondingly can set up the position of audio frequency hole as required.

Description

Audio assembly and mobile terminal

Technical Field

The application relates to the technical field of terminals, in particular to an audio component and a mobile terminal.

Background

With the continuous development of communication technology, the functions of electronic devices are also more and more powerful. For example, an electronic device with a voice interaction function is usually configured with a microphone to capture external sounds. With the continuous development of electronic device technology, people have higher and higher requirements on electronic devices.

SUMMERY OF THE UTILITY MODEL

The application provides an audio component and a mobile terminal, and the audio channel is arranged flexibly.

According to a first aspect of embodiments of the present application, there is provided an audio assembly, comprising an audio device, a flexible circuit board, and a bracket; the audio device is arranged on the first surface of the flexible circuit board, and the second surface of the flexible circuit board faces the bracket and is arranged on the bracket; the support is provided with an audio channel, the audio channel is provided with a first opening close to one side of the flexible circuit board, and the first opening and the audio device are correspondingly arranged.

Furthermore, a first reinforcing plate is arranged at a position, opposite to the audio device, of the second surface of the flexible circuit board, and a reinforcing plate opening corresponding to the first opening is formed in the first reinforcing plate.

Further, the first reinforcing plate is installed on the support in a matched mode.

Furthermore, the flexible circuit board is arranged on the support through a bonding layer, and a bonding layer opening corresponding to the first opening is formed in the bonding layer.

Further, the support is provided with an installation matching portion, and the audio assembly is installed on the installation matching portion.

According to a second aspect of the embodiments of the present application, a mobile terminal is provided, where the mobile terminal includes a main board and the audio component as described above, where the main board is disposed on a side where the first surface of the flexible circuit board is located, and the flexible circuit board is electrically connected to the main board.

Furthermore, the first surface of the flexible circuit board is also provided with a first electric connecting key used for being electrically connected with the mainboard, and a second reinforcing plate is arranged at the position, opposite to the first electric connecting key, of the second surface of the flexible circuit board.

Furthermore, the audio channel is provided with a bending part, and the first opening is connected with the second opening through the bending part.

Furthermore, the audio channel is provided with a second opening at one side of the bracket far away from the flexible circuit board, and the mobile terminal is provided with an audio hole which is positioned outside the second opening and corresponds to the second opening.

Further, the mobile terminal comprises a camera shooting decoration assembly, the camera shooting decoration assembly is arranged on one side, away from the flexible circuit board, of the support, the camera shooting decoration assembly is provided with a hole corresponding to the second opening, and the hole serves as the audio hole.

The application provides an above-mentioned audio frequency subassembly and mobile terminal, its audio frequency passageway locates the support for the audio frequency passageway and the audio frequency hole that corresponds set up more nimble, can set up the shape, the position of audio frequency passageway as required, correspondingly can set up the position of audio frequency hole as required.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of an audio device and flexible circuit board combination according to an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating a combination of an audio assembly and a rear camera trim assembly according to one exemplary embodiment;

FIG. 3 is an exploded schematic view of an audio assembly, a rear camera trim assembly, and a main board according to an exemplary embodiment;

fig. 4 is a block diagram illustrating a mobile terminal according to an example embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

The application provides a mobile terminal. The mobile terminal includes, but is not limited to, any device with an audio storage function, such as a mobile phone, a tablet computer, a wearable device, and the like.

FIG. 1 is a schematic diagram of an audio device and flexible circuit board combination according to an exemplary embodiment; FIG. 2 is a schematic diagram illustrating a combination of an audio assembly and a rear camera trim assembly according to one exemplary embodiment; fig. 3 is an exploded schematic view of an audio assembly, a rear camera trim assembly, and a main board according to an exemplary embodiment. Referring to fig. 1 to 3, the mobile terminal includes an audio component.

The audio assembly comprises an audio device 1, a flexible circuit board 2 and a bracket 4. The flexible circuit board 2 includes a flexible circuit board main body 20. The flexible circuit board body 20 is provided with electrical connection lines. The flexible circuit board main body 20 (i.e., the flexible circuit board 2) has opposite first and second surfaces. The audio device 1 is disposed on a first surface of the flexible circuit board 2, and a second surface of the flexible circuit board 2 faces the holder 4 and is disposed on the holder 4. The holder 4 is provided with an audio channel 401, the audio channel 401 has a first opening 42 near one side of the flexible circuit board 2, and the first opening 42 is disposed corresponding to the audio device 1 so that the audio device 1 communicates with the outside. The audio channel 401 has a second opening 41 on a side of the support 4 away from the flexible circuit board 2, and the mobile terminal has an audio hole located outside the second opening 41 and corresponding to the second opening 41.

In some embodiments, the audio device 1 is a microphone device. Accordingly, the audio channel 401 is a sound pickup channel, and the first opening 42 is provided corresponding to the audio device 1 so that the audio device 1 acquires external sound. Accordingly, the audio hole is a sound pickup hole. Of course, in other embodiments, the audio device may also be a speaker, the audio channel is a corresponding sound output channel, and the audio hole is a sound output hole. The application does not limit the method, and the method can be set according to specific conditions.

It should be noted that the support 4 may be made of plastic. Which may be formed by an injection molding process. The required audio channel is easily formed in the plastic bracket. The audio channel formed in the support made of the plastic material has good sealing performance, and is favorable for improving the sound pickup effect or the sound output effect of the mobile terminal.

In the mobile terminal, the audio channel is arranged on the support, so that the audio channel and the corresponding audio hole are more flexibly arranged, the shape and the position of the audio channel can be set as required, and the position of the audio hole can be correspondingly set as required. In addition, the direct distance from the audio device to the audio hole of the mobile terminal is favorably shortened, in the embodiment that the audio device 1 is a microphone device, the pickup effect of the mobile terminal is favorably improved, the audio performance of the mobile terminal is improved, and the use requirements of the user for shooting application scenes such as short videos by using the mobile terminal in the intelligent communication era are favorably met.

In some embodiments, the audio channel 401 is provided with a bent portion, and the first opening 42 is connected with the second opening 41 through the bent portion, so that dust can be prevented from directly falling into the audio device 1, and adverse effects on the audio device due to dust can be effectively reduced or avoided.

As shown in fig. 2, in some embodiments, the audio channel 401 includes a main channel extending away from the audio device 1 and along the length direction of the bracket 4, and an end channel extending along the thickness direction of the bracket 4 and close to the audio device 1. The body passage has opposite first and second ends. The main body passage communicates with the end passage at a portion near the first end, and the bent portion is formed at a communication portion of the end passage and the main body passage. Wherein the first opening 42 opens at a side of the end channel close to the audio device 1. A second opening 41 opens near the second end of the body passage. And the first opening 42 and the second opening 41 face to two opposite sides of the main body passage respectively.

In some embodiments, the stand 4 is provided with a mounting mating portion to which the audio component is mounted. The mounting matching part can be a groove structure or a mounting structure such as a mounting bracket.

For example, as shown in fig. 2, in some embodiments, the bracket 4 may have a receiving slot 402 with an opening facing to one side. The receiving slot 402 serves as a mounting engagement portion. The flexible circuit board 2 and the audio device 1 may be partially or entirely disposed in the accommodating groove 402, so as to facilitate protection of the audio device 1 and the flexible circuit board 2 and installation of the two. The second surface of the flexible circuit board 2 faces the bottom of the accommodating groove 402.

Further, in some embodiments, the second surface of the flexible circuit board 2 is provided with a first reinforcing plate 21 at a position opposite to the audio device 1, so as to support the flexible circuit board 2 and improve the sealing performance around the first opening 42 of the audio channel 401. The first reinforcing plate 21 is provided with a reinforcing plate opening 212 corresponding to the first opening 42 to facilitate the passage of sound.

The first reinforcing plate 21 may be a plate or sheet structure made of steel or other materials with high rigidity.

The first reinforcing plate 21 is fitted to the bracket 4. Referring to fig. 2, in some embodiments, the first reinforcing plate 21 may be adhered to the bracket 4 by an adhesive layer 8. The adhesive layer 8 has an adhesive layer opening corresponding to the first opening 42 for sound to pass through.

In some embodiments, the adhesive layer 8 may be double-sided tape. The first reinforcing plate 21 is bonded on the bracket 4 by using double faced adhesive tape, and the bonding operation is simple and convenient, and the cost is low.

In the embodiment without the first reinforcing plate, the flexible circuit board 2 may be directly attached to the bracket 4 by a double-sided tape or other adhesive structure.

In some embodiments, the mobile terminal comprises a main board 7. The mainboard 7 is arranged on one side of the first surface of the flexible circuit board 2, and the flexible circuit board 2 is electrically connected with the mainboard 7. Thus, the audio device 1 can be electrically connected to the main board 7 through the flexible circuit board 2. In some embodiments, the main board 7 may be disposed on a front case of the mobile terminal. Taking a mobile phone as an example, the main board 7 may be disposed on a middle frame (i.e., a front case) of the mobile phone. The main board 7 may be provided with a plurality of electronic components, for example, based on a setting processor.

In some embodiments, the first surface of the flexible circuit board 2 is further provided with a first electrical connection key 22, the main board 7 is provided with a second electrical connection key 71 capable of being matched with the first electrical connection key 22, and the flexible circuit board 2 is electrically connected with the main board 7 through the matching of the first electrical connection key 22 and the second electrical connection key 71.

In some embodiments, the first electrical connection 22 comprises an electrical connection contact and the second electrical connection 71 comprises a metal dome. So set up for under the certain clearance or the condition in space, realization electricity that can be fine is connected between flexible circuit board 2 and the mainboard 7.

Further, in some embodiments, a second reinforcing plate 23 is disposed at a position of the second surface of the flexible circuit board 2 opposite to the first electrical connection key 22, so as to reinforce and support the flexible circuit board at the position where the first electrical connection key 22 is disposed, so as to ensure contact between the first electrical connection key 22 and the second electrical connection key 71, and ensure electrical connection between the flexible circuit board 2 and the motherboard 7.

Further, in some embodiments, the mobile terminal includes a camera decorating assembly 5. The camera decorative component 5 can be used for setting a rear camera. The decoration subassembly 5 of making a video recording is located the one side that flexible circuit board 2 was kept away from to support 4, and the trompil 51 that corresponds with second opening 41 is seted up to the decoration subassembly 5 of making a video recording, and this trompil 51 can regard as the audio frequency hole for the audio frequency hole is close to back camera setting, makes things convenient for mobile terminal's trompil setting and holistic structural configuration, need not to set up the audio frequency hole alone in addition on other positions. Preferably, the opening hole 51 may be disposed at the outer side of the second opening 41 opposite to the second opening 41 as shown in fig. 2, which is further beneficial to shortening the direct distance from the audio device to the audio hole of the mobile terminal, and is beneficial to improving the sound pickup effect or sound output effect of the mobile terminal, and improving the audio performance of the mobile terminal.

Further, in some embodiments, the mobile terminal further includes a rear shell housing, and the rear shell housing is provided with a mounting hole for mounting the camera decoration assembly 5. The camera head decoration assembly 5 is assembled at the mounting hole of the rear shell body.

It should be noted that the audio port may also be provided in the rear housing shell in case of operation in process conditions. Compared with the implementation mode of directly opening the audio hole in the rear shell of the mobile terminal, the mode of opening the hole 51 in the shooting decoration assembly is more convenient to operate and realize, and the overall structure is more attractive.

In some embodiments, a dust screen 6 is provided at the audio aperture to block external dust from entering the audio channel.

Referring to fig. 2, in some embodiments, the image capturing decoration device 5 includes a metal frame 502 and a lens 501 disposed outside the metal frame 502. The metal bracket 502 has a bracket opening corresponding to the second opening 41, and the lens 501 has a lens opening corresponding to the second opening 41. The carrier aperture and the lens aperture together form aperture 51.

Fig. 4 is a block diagram illustrating a mobile terminal according to an example embodiment. For example, the apparatus 2000 may be a cell phone, a tablet, a wearable device, and the like.

Referring to fig. 4, the apparatus 2000 may include one or more of the following components: a processing component 2002, a memory 2004, a power component 2006, a multimedia component 2008, an audio component 2010, an input/output (I/O) interface 2012, a sensor component 2014, and a communication component 2016.

The processing component 2002 generally controls the overall operation of the device 2000, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 2002 may include one or more processors 2020 to execute instructions to perform all or a portion of the steps of an associated method. Further, the processing component 2002 can include one or more modules that facilitate interaction between the processing component 2002 and other components. For example, the processing component 2002 may include a multimedia module to facilitate interaction between the multimedia component 2008 and the processing component 2002.

The memory 2004 is configured to store various types of data to support operations at the apparatus 2000. Examples of such data include instructions for any application or method operating on device 2000, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 2004 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power supply component 2006 provides power to the various components of the device 2000. The power supply components 2006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 2000.

The multimedia component 2008 includes a screen providing an output interface between the device 2000 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 2008 includes a front camera and/or a rear camera. The front camera and/or the rear camera may receive external multimedia data when the device 2000 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

Audio component 2010 is configured to output and/or input audio signals. For example, audio component 2010 includes a Microphone (MIC) configured to receive external audio signals when apparatus 2000 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 2004 or transmitted via the communication component 2016. In some embodiments, audio assembly 2010 also includes a speaker for outputting audio signals.

The I/O interface 2012 provides an interface between the processing component 2002 and peripheral interface modules, which can be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor assembly 2014 includes one or more sensors for providing various aspects of state assessment for the device 2000. For example, sensor assembly 2014 may detect an open/closed state of device 2000, a relative positioning of components, such as a display and keypad of device 2000, a change in position of device 2000 or a component of device 2000, the presence or absence of user contact with device 2000, an orientation or acceleration/deceleration of device 2000, and a change in temperature of device 2000. The sensor assembly 2014 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 2014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 2014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 2016 is configured to facilitate wired or wireless communication between the apparatus 2000 and other devices. The device 2000 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, 4GLTE, 5G NR, or a combination thereof. In an exemplary embodiment, the communication component 2016 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 2016 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

In an example embodiment, the apparatus 2000 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the associated methods.

In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions, such as the memory 2004 including instructions, executable by the processor 2020 of the apparatus 2000 to perform a related method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. An audio assembly, comprising an audio device, a flexible circuit board and a support; the audio device is arranged on the first surface of the flexible circuit board, and the second surface of the flexible circuit board faces the bracket and is arranged on the bracket; the support is provided with an audio channel, the audio channel is provided with a first opening close to one side of the flexible circuit board, and the first opening and the audio device are correspondingly arranged.

2. The audio module as claimed in claim 1, wherein the second surface of the flexible circuit board is provided with a first reinforcing plate at a position opposite to the audio device, the first reinforcing plate being provided with a reinforcing plate opening corresponding to the first opening.

3. The audio assembly of claim 2, wherein the first stiffening plate is fittingly mounted to the bracket.

4. The audio assembly of claim 1, wherein the flexible circuit board is disposed on the bracket via an adhesive layer, the adhesive layer having an adhesive layer opening corresponding to the first opening.

5. The audio assembly of claim 1, wherein the bracket is provided with a mounting engagement portion to which the audio assembly is mounted.

6. A mobile terminal, characterized in that the mobile terminal comprises a main board and the audio assembly of any one of claims 1 to 5, wherein the main board is disposed on a side where the first surface of the flexible circuit board is located, and the flexible circuit board is electrically connected with the main board.

7. The mobile terminal as claimed in claim 6, wherein the first surface of the flexible circuit board is further provided with a first electrical connection key for electrically connecting with the main board, and the second surface of the flexible circuit board is provided with a second reinforcing plate at a position opposite to the first electrical connection key.

8. The mobile terminal according to claim 6, wherein the audio channel is provided with a bending portion, and the first opening is connected with the second opening through the bending portion.

9. The mobile terminal of claim 6, wherein the audio channel has a second opening on a side of the bracket away from the flexible circuit board, the mobile terminal having an audio hole located outside of and corresponding to the second opening.

10. The mobile terminal of claim 9, wherein the mobile terminal comprises a camera decoration component, the camera decoration component is disposed on a side of the bracket away from the flexible circuit board, the camera decoration component is provided with an opening corresponding to the second opening, and the opening serves as the audio hole.