CN115665630A

CN115665630A - Electronic device

Info

Publication number: CN115665630A
Application number: CN202211405955.6A
Authority: CN
Inventors: 阮清波
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-01-31

Abstract

The application discloses electronic equipment relates to the technical field of communication. The electronic equipment comprises a shell, a sounding monomer and a damping component, wherein the shell is provided with an accommodating cavity and comprises a rear cover; the sound production single body is accommodated in the accommodating cavity, and the sound production single body and the rear cover are arranged at intervals; shock-absorbing assembly accepts in acceping the intracavity, and shock-absorbing assembly sets up between back lid and sound production monomer, and shock-absorbing assembly and sound production monomer interval form the back chamber.

Description

Electronic device

Technical Field

The application belongs to the technical field of communication, and particularly relates to an electronic device.

Background

In the correlation technique, in order to realize the slimming of electronic equipment, the interval between sound production monomer and the back lid among the electronic equipment is more and more littleer, when sound production unit's vibrating diaphragm vibration sound production, the air current that is located vibrating diaphragm one side that the vibration produced outwards flows through going out the sound hole, and because the interval between sound production monomer and the back lid is more and more littleer, but the air current that is located vibrating diaphragm opposite side that makes the vibration produce directly strikes the back lid, the back lid is vibrations under the air current strikes, the structural stability of each spare part in the electronic equipment will be influenced in the vibrations of back lid, and working property.

Disclosure of Invention

The application aims at providing an electronic equipment, and the technical problems that the vibration of the air flow driving shell generated in the vibration and sound production process of the vibration diaphragm of the sound production monomer influences the structural stability and the working performance of each part in the electronic equipment are solved at least.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present application provides an electronic device, where the electronic device includes a housing, a sound generating unit, and a damping component, where the housing has an accommodating cavity, and includes a back cover; the sound production single body is accommodated in the accommodating cavity, and the sound production single body and the rear cover are arranged at intervals; the damping component is accommodated in the accommodating cavity, the damping component is arranged between the rear cover and the sounding single body, and the damping component and the sounding single body form a rear cavity at intervals.

In the electronic equipment provided by the application, the damping component is arranged between the rear cover and the sounding monomer, so that the damping component can block or reduce the air flow generated by the vibration sounding of the monomer to act on the rear cover, thereby preventing or reducing the vibration of the rear cover in the vibration sounding process of the sounding monomer, and preventing or reducing the influence of the vibration of the shell on the structural stability and the working performance of each part in the electronic equipment; the rear cavity is formed by arranging the damping component and the sounding monomer at intervals, so that air pressure on one side of the balanced vibrating diaphragm is facilitated, vibration of the sounding monomer vibrating diaphragm is facilitated, and sounding performance of the sounding monomer is improved.

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 plan view of an embodiment of an electronic device according to the present application;

FIG. 2 is one of schematic cross-sectional structural diagrams of an embodiment of an electronic device according to the application;

FIG. 3 is a cross-sectional structural schematic view of an embodiment of a shock absorbing assembly according to the present application;

FIG. 4 is a schematic plan view of an embodiment of a shock assembly according to the present application;

FIG. 5 is one of the schematic partial cross-sectional structural views of an embodiment of an electronic device according to the present application;

FIG. 6 is a second schematic diagram of a partial cross-sectional structure of an embodiment of an electronic device according to the present application;

fig. 7 is a second schematic cross-sectional view of an embodiment of an electronic device according to the present application.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present application, it is to be understood that the terms "central," "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 to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

An electronic device according to an embodiment of the present application is described below with reference to fig. 1 to 7.

As shown in fig. 1 and fig. 2, an embodiment of the present application provides an electronic device 100, where the electronic device 100 includes a housing 1, a sound generating unit 2, and a shock absorbing assembly 3, the housing 1 has an accommodating cavity 11, and the housing 1 includes a rear cover 12; the sounding single body 2 is accommodated in the accommodating cavity 11, and the sounding single body 2 and the rear cover 12 are arranged at intervals; damper 3 accepts in acceping the chamber 11, and damper 3 sets up between back lid 12 and sound production monomer 2, and damper 3 and sound production monomer 2 interval form back chamber 21.

The electronic device 100 provided in the present application may be a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted electronic device 100, a Mobile Internet Device (MID), an Augmented Reality (AR)/Virtual Reality (VR) device, a robot, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and may also be a personal computer (personal computer, PC), a television (television, TV), a teller machine, a self-service machine, and the like, which are not particularly limited in the embodiments of the present application. The following description will take the electronic device 100 as a mobile phone as an example.

The housing 1 may further include a front cover 13 and a middle frame 14, the front cover 13 and the rear cover 12 being respectively installed at opposite sides of the middle frame 14, i.e., the middle frame 14 is located between the front cover 13 and the rear cover 12. In addition, the middle frame 14 may include a bezel that may be disposed around the sides of the electronic device 100. The electronic device 100 may further include a display screen 15, the display screen 15 may be mounted on the front cover 13 and located between the front cover 13 and the middle frame 14, and the front cover 13 may be a glass cover.

The sound generating unit 2 is a transducer device that can convert an electrical signal into an acoustic signal. The sounding monomer 2 provided by the application can be a moving-coil sounding monomer, a capacitance sounding monomer, an electromagnetic sounding monomer, a piezoelectric sounding monomer or the like, and can be selected by a person skilled in the art according to needs. The sounding single body 2 is provided with a vibrating diaphragm 23 capable of vibrating to sound, one side of the sounding single body 2 provided with the vibrating diaphragm 23 is a front cavity 22 corresponding to the sounding single body 2, and the other side of the sounding single body 2 is a rear cavity 21 corresponding to the sounding single body 2. The casing 1 has a sound outlet 16, and sound waves emitted from the sound emitting unit 2 can directly propagate through the front cavity 22 from the sound outlet 16 to the outside of the electronic device 100.

The sound outlet hole 16 may be provided on the front cover 13 or the center frame 14. In the case where the sounding unit 2 is a receiver (receiver) in the electronic device 100, the sound outlet 16 may be provided on the front cover 13 for the convenience of the user to listen to. In the case where the sounding body 2 is a speaker (speaker) in the electronic device 100, the sound outlet 16 may be provided on the middle frame 14 in order to obtain a larger screen ratio. In the electronic device 100 provided by the present application, how to arrange the front cavity 22 corresponding to the sounding unit 2 is not limited.

As will be understood by those skilled in the art, during the vibration of the diaphragm 23 of the sounding unit 2, the diaphragm 23 will press against the front cavity 22 to reduce the volume of the front cavity 22, or against the back cavity 21 to reduce the volume of the back cavity 21, so as to generate the air flow moving in the front cavity 22 and the air flow moving in the back cavity 21. Damper 3 sets up between sound production monomer 2 and hou gai 12, and damper 3 can block or reduce the air current of back chamber 21 and act on back lid 12 to avoid or reduce back lid 12 and take place vibrations in the process of sound production monomer 2 vibration sound production together. The damper assembly 3 may include a deformable material such as EVA (ethylene vinyl acetate copolymer) foam, PE (polyethylene) foam, PU (polyurethane) foam, pearl foam (EPE), rubber, etc., which can absorb the kinetic energy of the airflow of the rear chamber 21. The shock-absorbing assembly 3 may also be a structure that can convert the kinetic energy of the airflow in the rear chamber 21 into elastic potential energy, such as a structural assembly with a spring.

In the electronic device 100 provided by the application, the damping component 3 is arranged between the rear cover 12 and the sound generating unit 2, so that the damping component 3 can block or reduce the airflow generated by the vibration and sound generation of the unit to act on the rear cover 12, thereby preventing or reducing the vibration of the rear cover 12 in the vibration and sound generation process of the sound generating unit 2, and preventing or reducing the influence of the vibration of the shell 1 on the structural stability and the working performance of each part in the electronic device 100; cavity 21 after forming through setting up

damper

3 and 2 intervals of sound production monomer to be favorable to the atmospheric pressure of balanced vibrating diaphragm 23 one side, be favorable to the vibrating diaphragm 23 vibration of sound production monomer 2, improve sound production monomer 2's sound production performance.

In some embodiments, the damping component 3 includes a deformation layer 31, the deformation layer 31 is at least partially disposed between the rear cover 12 and the sound generating unit 2, the deformation layer 31 includes a plurality of transducers, the electronic device 100 further includes a battery, and the sound generating unit 2 and the transducers are respectively electrically connected to the battery.

The air current that the 2 vibration phonation of sound production monomer produced moves between sound production monomer 2 and damper 3 at least, and deformation layer 31 can all set up between back lid 12 and sound production monomer 2 for deformation layer 31 can block aforementioned air current, and converts air current kinetic energy into deformation potential energy. The airflow generated by the vibration and sound production of the sound production single body 2 can also possibly flow between other parts and the damping component 3, and the deformation layer 31 can also extend between other parts and the rear cover 12, so that the deformation layer 31 can block the airflow and convert the kinetic energy of the airflow into deformation potential energy. Other components may be a battery 5, a control board, etc. arranged on the side of the shock-absorbing assembly 3 facing away from the rear cover 12.

The transducers may be transducers arranged based on the magnetostrictive effect or transducers arranged based on the electrostrictive and piezoelectric effects. The energy conversion piece can convert kinetic energy of airflow flowing in the rear cavity into electric energy and output the electric energy to the battery for storage.

In some embodiments, the shock absorbing assembly 3 further comprises a support layer 32, the deformation layer 31 being disposed on the support layer 32.

The support layer 32 has no or weak deformability compared to the deformation layer 31. The supporting layer 32 can be made of hard materials, and the supporting layer 32 can provide certain supporting force for the deformation layer 31 which is soft and has deformation capacity, so that the damping assembly 3 can keep a certain shape, and the damping assembly 3 can be assembled in the accommodating cavity 11 conveniently.

Referring to fig. 3 and fig. 4, in some embodiments, the supporting layer 32 has a plurality of openings 321, the transducer is a piezoelectric membrane 311, the piezoelectric membrane 311 is disposed in the openings 321, and edges of the piezoelectric membrane 311 are connected to the supporting layer 32.

The piezoelectric diaphragm 311 can be driven by the airflow generated by the sound-generating unit 2 to deform to a certain extent, and converts the kinetic energy of the airflow into electric energy, thereby realizing the consumption of the kinetic energy of the airflow. The battery 5 in the electronic device 100 may be connected to the piezoelectric diaphragm 311 to input the electric energy generated by the piezoelectric diaphragm 311 to the battery 5 for storage. Of course, the piezoelectric diaphragm 311 may also be connected to other electrical components in the electronic device 100, so as to provide the electrical energy generated by the piezoelectric diaphragm 311 to the other electrical components for use.

Referring to fig. 5, in another embodiment, the shock absorbing assembly 3 further includes a flow blocking layer 33, the transducer includes a plurality of elastic members 312, the plurality of elastic members 312 are disposed at intervals, one end of each elastic member 312 is connected to the flow blocking layer 33, and the other end is connected to the supporting layer 32.

The flow barrier 33 is likewise made of a hard material, so that the flow barrier 33 can maintain a fixed shape under the impact of the air flow. The flow blocking layer 33 has a high strength and a low deformation ability compared to the elastic member 312. The material of the flow barrier layer 33 and the material of the support layer 32 may be the same or different. The elastic member 312 may be a structural member having elastic deformation capability, such as a rubber member, a spring sheet, etc. In the case that the elastic member 312 is a device capable of generating a simple harmonic motion under the pushing of the fluid barrier 33, the transducer can further include a magnetic member, a transmission member, etc. to convert the simple harmonic mechanical energy of the elastic member 312 into electric energy.

Compared with the sum of the relative areas of the elastic pieces 312 and the sounding unit 2, the relative area of the flow blocking layer 33 and the sounding unit 2 is larger, so that the area of the flow blocking layer 33, which can be impacted by the airflow generated by the sounding unit 2, is larger. And because a plurality of elastic elements 312 are further arranged between the flow blocking layer 33 and the rear cover 12, the kinetic energy can be transferred to the elastic elements 312 to consume the kinetic energy after the flow blocking layer 33 receives the impact of the airflow, so as to avoid or reduce the vibration of the rear cover 12.

The damping member 3 may be fixed to the receiving chamber 11 by being fixed to the rear cover 12. The damping member 3 may be fixed to the receiving cavity 11 by being fixed to other components of the electronic device 100. In some embodiments, the electronic device 100 further includes a bracket 4 disposed in the receiving cavity 11, and the shock absorbing assembly 3 is connected to the bracket 4.

The rack 4 may be a rack 4 for mounting a control board so that one rack 4 can support a plurality of parts. Of course, the holder 4 may be a holder 4 for mounting a battery 5, a holder 4 for mounting a camera, or the like.

In some embodiments, a portion of the flow-blocking layer 33 is disposed between the support 4 and the back cover 12, and the cushion assembly 3 further includes an adhesive layer 34, the adhesive layer 34 adhering the flow-blocking layer 33 and the support 4. One end of the flow blocking layer 33 is connected with the bracket 4 through the adhesive layer 34, and the other end of the flow blocking layer 33 is suspended between the sound generating unit 2 and the rear cover 12. The flow blocking layer 33 and the support 4 can be bonded and fixed through the bonding layer 34, and the assembly of the shock absorption assembly 3 and the support 4 is facilitated.

Referring to fig. 6, in other embodiments, the damping module 3 further includes an adhesive layer 34, the adhesive layer 34 is disposed on a side of the supporting layer 32 facing away from the sounding single body 2, and the adhesive layer 34 is adhered to the rear cover 12. Similarly, the flow blocking layer 33 and the rear cover 12 can be bonded and fixed by the adhesive layer 34, so that the shock-absorbing assembly 3 and the rear cover 12 can be assembled conveniently.

Referring to fig. 7, in some embodiments, the number of the sound-emitting units 2 is plural, and the damper assembly 3 is disposed between the plural sound-emitting units 2 and the rear cover 12.

Illustratively, the number of the sound generating units 2 is two, two sound generating units 2 are respectively disposed on two opposite sides of the battery 5, one of the sound generating units 2 is a speaker, and the other sound generating unit 2 is a receiver, and in some operation modes of the electronic device 100, the receiver can also be used as a speaker, so as to realize dual-speaker playing. Damper 3 sets up simultaneously between a plurality of sound generating unit 2 and back lid 12 for the air current homoenergetic that a plurality of sound generating unit 2 produced is blockked by damper 3.

In some embodiments, the sounding unit 2 includes a housing having a cavity, a diaphragm 23 disposed on the housing, and a driving system accommodated in the cavity, the driving system is used for driving the diaphragm 23 to vibrate and sound, and the housing has a relief hole 24 communicating the cavity and the rear cavity 21.

The air release hole 24 communicates the chamber with the back cavity 21 to ensure the air pressure balance in the chamber, which is beneficial to the vibration of the diaphragm 23. In the case that the sounding unit 2 is a moving-coil sounding unit 2, the driving system includes a magnetic circuit assembly having a magnetic gap and a voice coil inserted into the magnetic gap, the voice coil drives the diaphragm 23 to vibrate, and the air release hole 24 further communicates the magnetic gap and the back cavity 21.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An electronic device, characterized in that the electronic device comprises:

a housing having a receiving cavity, the housing including a rear cover;

the sound generating unit is accommodated in the accommodating cavity, and the sound generating unit and the rear cover are arranged at intervals;

and the damping assembly is accommodated in the accommodating cavity, the damping assembly is arranged between the rear cover and the sounding monomers, and the damping assembly and the sounding monomers form a rear cavity at intervals.

2. The electronic device of claim 1, wherein the shock absorbing assembly comprises a deformation layer, the deformation layer is at least partially disposed between the rear cover and the sound generating unit, the deformation layer comprises a plurality of transducers, the electronic device further comprises a battery, and the sound generating unit and the transducers are electrically connected to the battery respectively.

3. The electronic device of claim 2, wherein the shock assembly further comprises a support layer, the deformation layer being disposed on the support layer.

4. The electronic device of claim 3, wherein the support layer has a plurality of openings, and wherein the transducer is a piezoelectric membrane disposed in the openings, and wherein a rim of the piezoelectric membrane is coupled to the support layer.

5. The electronic device of claim 3, wherein the shock absorbing assembly further comprises a current blocking layer, the transducer comprises an elastic member, a plurality of the elastic members are arranged at intervals, one end of each elastic member is connected with the current blocking layer, and the other end of each elastic member is connected with the supporting layer.

6. The electronic device of claim 5, further comprising a bracket fixed within the receiving cavity, wherein the shock absorbing assembly is coupled to the bracket.

7. The electronic device of claim 6, wherein a portion of the flow-blocking layer is disposed between the bracket and the back cover, the shock absorbing assembly further comprising an adhesive layer that adheres the flow-blocking layer to the bracket.

8. The electronic device of claim 3, wherein the damping assembly further comprises an adhesive layer disposed on a side of the supporting layer facing away from the sound generating unit, the adhesive layer adhering the supporting layer and the rear cover.

9. The electronic device according to any one of claims 1 to 8, wherein the sound emitting cells are plural in number, and the damper assembly is provided between the plural sound emitting cells and the rear cover.

10. The electronic device of any one of claims 1 to 8, wherein the sounding unit comprises a housing having a cavity, a diaphragm disposed on the housing, and a driving system housed in the cavity, the driving system is configured to drive the diaphragm to vibrate and sound, and the housing has a venting hole communicating the cavity and the back cavity.