CN111083616A

CN111083616A - Vibration exciter for electronic product and electronic product

Info

Publication number: CN111083616A
Application number: CN201911315106.XA
Authority: CN
Inventors: 高志明; 毛东升; 高文花
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-04-28
Anticipated expiration: 2039-12-19
Also published as: CN111083616B

Abstract

The invention discloses a vibration exciter for an electronic product and the electronic product, wherein the vibration exciter comprises a shell, a coil component and a vibration component, wherein the shell comprises a first shell and a second shell which is arranged opposite to the first shell; coil pack includes first coil pack and second coil pack, first coil pack set up in the first casing, second coil pack set up in the second casing, the vibration subassembly includes magnet and elastic component, the elastic component with constitute elastic connection between the magnet, the vibration subassembly is located between first coil pack and the second coil pack, the elastic component with first casing and/or can dismantle the connection between the second casing, be convenient for the dismantlement and the maintenance of vibration exciter to further comprehensive analysis exciter performance has improved the sound production quality of electronic product.

Description

Vibration exciter for electronic product and electronic product

Technical Field

The invention relates to the technical field of electroacoustic conversion, in particular to a vibration exciter for an electronic product and the electronic product.

Background

In the mainstream mobile phone conversation, the sound of a receiver is taken as the main part, but under the trend of full screen popularity, the screen sound-producing pore-free application technology becomes the main problem of the current technology. The development of the screen sounding exciter greatly promotes the development of the mobile phone to the direction of a comprehensive screen.

Existing exciters typically include a stator assembly, a vibrator assembly, and a spring. Simple structure, easily production has very high development prospect and practical value, but its in the installation, because the shell fragment is in the same place stator module and vibrator subassembly fixed connection, the dismouting of monomer exciter of being not convenient for also more is difficult to carry out performance analysis and maintenance to the exciter, directly influences the sound production quality and the life of exciter.

Disclosure of Invention

An object of the present invention is to provide a vibration exciter for an electronic product and an electronic product.

According to a first aspect of the present invention, there is provided a vibration exciter for an electronic product, comprising:

the coil assembly is arranged in the shell and is configured to be communicated with an electric signal to generate a magnetic field, and the shell comprises a first shell and a second shell arranged opposite to the first shell;

the vibration assembly comprises a magnet and an elastic piece, an elastic connection is formed between the elastic piece and the magnet, and the magnet is configured to vibrate under the action of a magnetic field;

the elastic piece is provided with a plurality of first connecting portions, the first shell is provided with a plurality of first matching portions, the first connecting portions and the first matching portions are correspondingly arranged, the first connecting portions and the first matching portions are configured to be opposite to the first shell and the elastic piece to form detachable connection, and a connection relation is formed between the first shell and the second shell.

Optionally, a plurality of first matching portions are arranged on the second housing, and the first connecting portion and the first matching portion are configured to form a detachable connection between the second housing and the elastic member.

Optionally, the coil assembly includes a first coil assembly and a second coil assembly, the first coil assembly is disposed in the first casing, the second coil assembly is disposed in the second casing, and the magnet is suspended between the first coil assembly and the second coil assembly.

Optionally, the first connecting portion and the elastic member are integrally formed or welded.

Optionally, one or more combinations of a threaded connection, a pin connection and a snap connection are arranged between the plurality of first connecting parts and the plurality of first matching parts.

Optionally, the elastic member is connected to the first housing and the second housing through a plurality of the first connecting portions, and the plurality of the first connecting portions connected to the first housing and the plurality of the first connecting portions connected to the second housing are disposed at intervals around the elastic member.

Optionally, the portable electronic device further comprises a second connecting portion and a second matching portion, the second connecting portion is fixedly arranged on the first shell or the second shell, the second matching portion and the second connecting portion are correspondingly arranged on the second shell or the first shell, and the second connecting portion and the second matching portion are detachably connected.

Optionally, the elastic member is connected to the first housing and the second housing through a plurality of first connecting portions, and the plurality of first connecting portions connected to the first housing and the plurality of first connecting portions connected to the second housing are symmetrically disposed along a plane of the elastic member.

Optionally, the elastic member is connected to the first housing and the second housing through a plurality of first connecting portions, and the plurality of first connecting portions connected to the first housing and the plurality of first connecting portions connected to the second housing are symmetrically disposed along a symmetry plane perpendicular to a plane of the elastic member.

According to a second aspect of the present invention, there is provided an electronic product comprising:

the electronic product comprises an electronic product main body and a sound production component, wherein the sound production component is connected to the electronic product main body in a vibratile mode;

the vibration exciter is arranged on the sound production component, and the vibration exciter is configured to drive the sound production component to vibrate and produce sound relative to the electronic product main body.

Compared with the prior art, the invention has the technical effects that:

the invention discloses a vibration exciter for an electronic product and the electronic product.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is an exploded view of a vibration exciter of the present invention;

FIG. 2 is a sectional exploded view of a vibration exciter of the present invention;

FIG. 3 is a schematic structural diagram of a vibration assembly of a vibration exciter of the present invention;

FIG. 4 is a schematic structural diagram of a vibration assembly of a vibration exciter of the present invention;

FIG. 5 is a schematic view of a first housing of a vibration exciter of the present invention;

FIG. 6 is a schematic view of the vibration principle of the vibration component of the vibration exciter of the present invention;

fig. 7 is a schematic diagram of the vibration principle of the vibration component of the vibration exciter according to the invention.

Wherein: 1-a first coil; 2-a first core; 3-a second coil; 4-a second core; 5-a magnet; 6-an elastic member; 7-a mass block; 8-a first housing; 9-a second housing; 10-a containment chamber; 11-a first connection; 12-a first mating portion; 13-a second connection; 14-a second mating portion; 15-a vibrating connection; 16-a cantilever; 17-fixing the connection.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Referring to fig. 1 and 2, the present invention discloses a vibration exciter for an electronic product, including:

the vibration generator comprises a shell, a coil assembly and a vibration assembly, wherein the coil assembly is arranged in the shell and is configured to be communicated with an electric signal to generate a magnetic field, and the shell comprises a first shell 8 and a second shell 9 arranged opposite to the first shell 8; the vibration component comprises a magnet 5 and an elastic part 6, the elastic part 6 and the magnet 5 form an elastic connection, the vibration component is positioned between the first coil component and the second coil component, and the magnet 5 is configured to vibrate under the action of a magnetic field;

the elastic piece 6 is provided with a plurality of first connecting portions 11, the first housing 8 is provided with a plurality of first matching portions 12, the first connecting portions 11 and the first matching portions 12 are correspondingly arranged, the first connecting portions 11 and the first matching portions 12 are configured to detachably connect the first housing 8 and the elastic piece 6, and the first housing 1 and the second housing 9 form a connection relationship.

Specifically, the first housing 8 and the elastic element 6 form a detachable connection, so that the first housing 8 can be conveniently and quickly detached from the vibration exciter, and the maintenance is convenient; the first housing 1 and the second housing 9 form a connection relationship, the second housing 9 may be connected to the elastic member 6, the connection may be a fixed connection or a detachable connection, and then the second housing 9 is connected to the first housing 1 through the elastic member 6. Alternatively, the elastic member 6 is disposed in the first housing 8, and the first housing 1 and the second housing 9 are directly detachably connected.

The detachable connection between the elastic element 6 and the first housing 8 and/or the second housing 9 facilitates the removal and maintenance of the vibration exciter and further allows a thorough analysis of the exciter performance.

In another embodiment, the magnet 5 may be disposed in the housing, and the coil assembly may be elastically connected to the elastic member 6, so that an interaction force may be generated under the magnetic field of the magnet 5 and the coil assembly, and the elastic member 6 drives the coil assembly to generate vibration.

Optionally, a plurality of first matching portions 12 are disposed on the second housing 9, and the first connecting portion 11 and the first matching portions 12 are configured to form a detachable connection between the second housing 9 and the elastic member 6.

In order to further increase the assembly flexibility of the vibration exciter, a detachable connection is provided between the second housing 9 and the elastic element 6, so that the first housing 8 and the second housing 9 can be flexibly detached from the vibration exciter when needed, thereby facilitating maintenance and performance analysis of the exciter.

Optionally, the coil assembly includes a first coil assembly and a second coil assembly, the first coil assembly is disposed in the first housing 8, the second coil assembly is disposed in the second housing 9, and the magnet 5 is suspended between the first coil assembly and the second coil assembly.

In the invention, the first coil component and the second coil component are oppositely arranged in the shell, the first coil component and the second coil component can be introduced with vibration electric signals to generate a magnetic field between the first coil component and the second coil component, and the size of the magnetic field can be determined according to the size of coil current; elastic component 6 with constitute elastic connection between magnet 5, magnet 5 can produce the vibration under the effort in magnetic field, elastic component 6 with the casing can be dismantled to be connected will magnet 5 suspension in between first coil pack and the second coil pack, magnet 5 is after receiving the effort, because its own hardness is higher, intensity is great, and self is difficult to be out of shape, if will reach and repeat nimble vibration just need be with the help of the cooperation of elastic component 6, just so given the sufficient vibration space of magnet 5.

Optionally, a plurality of first connecting portions 11 are disposed on the elastic member 6, a plurality of first matching portions 12 are disposed on the first housing 8 and/or the second housing 9, and the first connecting portions 11 and the first matching portions 12 match to connect the first housing 8 and the second housing 9. The first connecting portions 11 and the first matching portions 12 are connected by one or more of a threaded connection, a pin connection and a snap connection.

Specifically, referring to fig. 1, a plurality of the first connecting portions 11 are disposed at intervals at the edge of the elastic member 6, two first connecting portions 11 are disposed at each edge of the elastic member 6, the two first connecting portions 11 face the first housing 8 and the second housing 9, a first threaded hole is disposed on each first connecting portion 11, the first mating portion 12 is disposed at a position corresponding to the first threaded hole on the first housing 8 and the second housing 9, the first mating portion 12 is also a hole having threads disposed therein, and then the first connecting portion 11 and the first mating portion 12 are screwed by means of a bolt, such detachable connection facilitates separation of the first housing 8 and the second housing 9, and further performs maintenance and performance analysis on the vibration exciter.

Optionally, the first connecting portion 11 and the elastic member 6 are integrally formed or welded.

The first connecting part 11 and the elastic part 6 can be made of the same material, so that the first connecting part 11 and the elastic part 6 can be integrally formed in the manufacturing process, the integral connection is firm and reliable, and the problem of breakage between the first connecting part 11 and the elastic part 6 caused by long-term vibration is avoided; of course, the first connecting portion 11 and the elastic member 6 may also be made of metals of different materials, so that the first connecting portion 11 and the elastic member 6 may be welded, thereby ensuring a fixed and firm connection between the elastic member 6 and the first connecting portion 11, and also ensuring the stability of the vibration of the exciter.

Alternatively, the elastic member 6 is connected to the first housing 8 and the second housing 9 through a plurality of first connecting portions 11, and the plurality of first connecting portions 11 connected to the first housing 8 and the plurality of first connecting portions 11 connected to the second housing 9 are disposed at intervals on the periphery of the elastic member 6.

That is, the plurality of first connecting portions 11 are spaced apart from each other at the periphery of the elastic member 6, and the adjacent first connecting portions 11 are oppositely oriented, and one or more pairs of the first connecting portions 11 are oppositely oriented on each side of the elastic member 6, or one or more pairs of the first connecting portions 11 are oppositely oriented on the opposite side of the elastic member 6, which is advantageous in that the elastic member 6 and the plurality of first connecting portions 11 are integrally molded.

Further, referring to fig. 5, the vibration exciter further includes a second connecting portion 13 and a second matching portion 14, the plurality of second connecting portions 13 are fixedly disposed on the first housing 8 or the second housing 9, the plurality of second matching portions 14 and the plurality of second connecting portions 13 are correspondingly disposed on the second housing 9 or the first housing 8, and the second connecting portions 13 and the second matching portions 14 are detachably matched.

Specifically, the second connecting portion 13 and the second fitting portion 14 may be provided in pairs on each side of the first housing 8, or may be provided in pairs on opposite sides of the first housing 8, and the second connecting portion 13 and the second fitting portion 14 on each side may be one or more pairs, and then the second fitting portion 14 and the second connecting portion 13 that fit the second connecting portion 13 and the second fitting portion 14 are provided on the first housing 8 correspondingly. If the first housing 8 and the second housing 9 are connected only by the elastic member 6, the elastic member 6 is easily deformed during long-term vibration, and the second connecting portion 13 and the second fitting portion 14 are provided to further enhance the stability of the connection between the first housing 8 and the second housing 9, thereby preventing the elastic member 6 from being deformed due to vibration.

Alternatively, the elastic member 6 is connected to the first housing 8 and the second housing 9 through a plurality of first connecting portions 11, and the plurality of first connecting portions 11 connected to the first housing 8 and the plurality of first connecting portions 11 connected to the second housing 9 are symmetrically disposed along a plane of the elastic member 6. This has the advantage that during vibration, the forces of the first and

second housings

8 and 9 on the elastic member are equal and opposite, and the stress of the elastic member 6 can be balanced to avoid deformation of the elastic member 6.

Optionally, the elastic member 6 is connected to the first housing 8 and the second housing 9 through a plurality of first connecting portions 11, and the plurality of first connecting portions 11 connected to the first housing 8 and the plurality of first connecting portions 11 connected to the second housing 9 are symmetrically arranged along a symmetry plane perpendicular to a plane of the elastic member 6.

Specifically, one or more pairs of the first connecting portion 11 connected to the first housing 8 and the first connecting portion 11 connected to the second housing 9 may be provided on each side of the elastic member 6, or one or more pairs of the first connecting portion 11 connected to the first housing 8 and the first connecting portion 11 connected to the second housing 9 may be provided on opposite sides of the elastic member 6, so that the distortion of the elastic member 6 can be prevented.

Optionally, the first coil assembly comprises a first coil 1 and a first iron core 2, the second coil assembly comprises a second coil 3 and a second iron core 4, and the first coil 1 and the second coil 3 are correspondingly wound around the first iron core 1 and the second iron core 4; the winding directions of the first coil 1 and the second coil 3 are opposite, and the opposite winding directions of the first coil 1 and the second coil 3 can provide enough force for the magnet 5.

Referring to fig. 6, in a specific embodiment of the present invention, when the magnetic pole generated by the first coil 1 and opposite to the second coil 3 is S-pole, the magnetic pole generated by the second coil 3 and opposite to the first coil 1 is S-pole, if the magnetic pole of the intermediate magnet 5 close to the first coil 1 is S-pole, the magnetic poles of the intermediate magnet 5 and the first coil 1 repel each other in the same polarity, and inevitably, the magnetic pole of the intermediate magnet 5 close to the second coil 3 is N-pole, the magnetic poles of the intermediate magnet 5 and the second coil 3 attract each other in the opposite polarity, and the forces applied to the coil 5 by the first coil 1 and the second coil 3 are both in the direction of the second coil 3, so that the first coil 1 and the second coil 3 jointly drive the magnet 5 to move towards the second coil 3, and sufficient vibration power and space are provided for the coil 5; for the same reason, referring to fig. 7, the first coil 1 and the second coil 3 jointly drive the magnet 5 to move towards the first coil 1.

Alternatively, the central axes of the first core 2 and the second core 4 are coaxially arranged, and the magnetizing direction of the magnet 5 is parallel to the central axes. The first iron core 2 and the second iron core 4 provide important channels of a magnetic circuit, the central axes of the first iron core 2 and the second iron core 4 are coaxially arranged, the strength of magnetic induction lines is further improved, and sufficient acting force is provided for the magnet 5 in parallel with the magnetizing direction of the magnet 5.

Optionally, the first core 2 is integrally connected to the first casing 8, and the first casing 8 is made of a magnetic conductive material. The magnetic conductive material can play a role of gathering magnetism, a magnetic loop is added, and the magnetic line of force of the second coil 3 on the other side is attracted, so that the acting force of the magnet 5 can be improved, and a larger vibration space is provided for the magnet 5.

Optionally, the first housing 8 has a side wall surrounding the first coil 1. The first iron core 2 extends out of the first shell 8, and the first coil 1 is sleeved on the first iron core 2, so that the first coil 1 can be limited around the first iron core 2. In this case, in order to simplify the structure of the first housing 8, the first housing 8 may be provided in a structure of only the bottom surface and the first core 2; if a more stable structure is provided for the first coil 1, a side wall may be provided on the first housing 8.

Optionally, the first coil assembly and the second coil assembly are symmetrically distributed with respect to the vibration assembly. The first coil assembly and the second coil assembly provide common acting force for the magnet 5, the consistency and the strength of the acting force are further improved due to the symmetrical arrangement, and a larger vibration space is provided for the magnet 5.

Optionally, the vibration assembly comprises a mass 7, the mass 7 is connected with the magnet 5, and the mass 7 is configured to vibrate together with the magnet 5. After the magnet 5 is acted with an acting force, a large magnetic force can be brought due to the fact that the magnet is small in size, the problems of excessive vibration, instability and damage to the elastic piece 6 can be brought due to small size and light weight, at the moment, the mass block 7 needs to be matched with the magnet 5 in the repeated vibration process, the mass block 7 and the magnet 5 jointly provide a composite assembly with a magnetic field and weight meeting the vibration requirements, and the vibration stability and the service life of the exciter are improved.

Referring to fig. 3 and 4, optionally, the mass 7 has a receiving cavity 10 therein, the magnet 5 is fixedly disposed in the receiving cavity 10, and the elastic member 6 is connected to the mass 7. In the present invention, the magnet 5 and the mass 7 need to vibrate together with high efficiency, which requires further improvement of stability of the structural fit between the magnet 5 and the mass 7, and the accommodation cavity 10 is provided to fix the magnet 5 to the mass 7 well, thereby ensuring integrity and stability of the magnet 5 and the mass 7.

Optionally, the connection between the elastic element 6 and the mass 7 is a weld. The magnet 5 and the mass block 7 together drive the elastic element 6 to vibrate. Also, efficient vibration requires that the stability of the connection be guaranteed. The elastic element 6 and the mass block 7 are welded to ensure that a fixed firm connection is formed between the elastic element 6 and the mass block 7, and the vibration stability of the exciter is ensured.

Optionally, the elastic member 6 is one of a centering support, a spring and a spring plate. Of course, the present invention is not limited to these three types as long as it can function to connect the housing and the vibration assembly and effectively vibrate, and the present invention does not further limit this.

Referring to fig. 3 and 4, optionally, the spider includes a vibration connecting portion 15, a cantilever 16 and a fixing connecting portion 17, the vibration connecting portion 15 is configured to be connected with the magnet 5, the cantilever 16 is connected to the periphery of the vibration connecting portion 15 in a deformable manner, the fixing connecting portion 17 is connected to the periphery of the cantilever 16, and the fixing connecting portion 17 is configured to be connected with the housing through the first connecting portion 11.

In the invention, the magnet 5 drives the centering support to vibrate, specifically directly drives the vibration connecting part 15 to vibrate, but because the area of the vibration connecting part 15 is large, the large-area vibration amplitude is slow, the efficiency is low, and the requirements of the exciter of the invention cannot be met, the cross section of the cantilever 16 is small, the flexible vibration effect can be exerted, the cantilever 16 is communicated with the vibration connecting part 15 directly connected with the magnet 5 and the fixed connecting part 17 connected with the shell, and the aim of improving the vibration efficiency is well fulfilled.

Optionally, the vibrating connection 15 is wrapped around the magnet 5. Magnet 5 drives the vibration of centering branch piece specifically is direct drive vibration connecting portion 15 vibrates, vibration connecting portion 15 with the contact surface of magnet 5 is the stress surface promptly, if the stress surface is inhomogeneous, will lead to stress concentration in a certain point, causes vibration connecting portion 15 with connection structure between magnet 5 damages, and vibration connecting portion 15 encircles magnet 5 has just in time dispersed the stress that the vibration brought around, has guaranteed the fastness of connecting.

The invention also discloses an electronic product, comprising:

Optionally, the electronic product comprises one of a cell phone, a tablet computer, an e-book reader, an MP3 player, an MP4 player, a computer, a set-top box, a smart tv, and a wearable device.

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A vibration exciter for an electronic product, comprising:

the magnetic field generator comprises a shell and a coil assembly, wherein the coil assembly is arranged in the shell and is configured to be communicated with an electric signal to generate a magnetic field, and the shell comprises a first shell (8) and a second shell (9) arranged opposite to the first shell (8);

the vibrating assembly comprises a magnet (5) and an elastic piece (6), the elastic piece (6) and the magnet (5) form an elastic connection, and the magnet (5) can vibrate under the action of a magnetic field;

be provided with a plurality of first connecting portion (11) on elastic component (6), be provided with a plurality of first cooperation portion (12) on first casing (8), it is a plurality of first connecting portion (11) and a plurality of first cooperation portion (12) correspond the setting, first connecting portion (11) with first cooperation portion (12) are configured as right first casing (8) with constitute between elastic component (6) and can dismantle the connection, first casing (1) with constitute the relation of connection between second casing (9).

2. A vibration exciter according to claim 1, characterised in that the second housing (9) is provided with a plurality of first mating portions (12), the first connecting portion (11) and the first mating portions (12) being configured to constitute a detachable connection between the second housing (9) and the resilient member (6).

3. A vibration exciter according to claim 1, wherein the coil assembly comprises a first coil assembly and a second coil assembly, the first coil assembly being disposed within the first housing (8), the second coil assembly being disposed within the second housing (9), the magnet (5) being suspended between the first and second coil assemblies.

4. A vibration exciter according to claim 1, characterised in that the first connection (11) is integrally formed or welded with the resilient member (6).

5. A vibration exciter according to claim 1, characterised in that there is one or more combinations of a threaded connection, a pinned connection and a snap connection between the first coupling portions (11) and the first mating portions (12).

6. A vibration exciter according to claim 1, characterized by further comprising a second connecting portion (13) and a second fitting portion (14), wherein a plurality of the second connecting portions (13) are fixedly arranged on the first housing (8) or the second housing (9), and a plurality of the second fitting portions (14) and a plurality of the second connecting portions (13) are correspondingly arranged on the second housing (9) or the first housing (8), and the second connecting portions (13) and the second fitting portions (14) form a detachable connection therebetween.

7. A vibration exciter according to claim 2, wherein the elastic member (6) is connected to the first housing (8) and the second housing (9) through a plurality of the first connecting portions (11), and a plurality of the first connecting portions (11) connected to the first housing (8) and a plurality of the first connecting portions (11) connected to the second housing (9) are provided at intervals on the periphery of the elastic member (6).

8. A vibration exciter according to claim 2, characterised in that the resilient member (6) is connected to the first housing (8) and the second housing (9) by a plurality of the first connections (11), the plurality of the first connections (11) connected to the first housing (8) and the plurality of the first connections (11) connected to the second housing (9) being arranged symmetrically along the plane of the resilient member (6).

9. A vibration exciter according to claim 2, characterised in that the spring (6) is connected to the first housing (8) and the second housing (9) by a plurality of the first connections (11), the plurality of the first connections (11) connected to the first housing (8) and the plurality of the first connections (11) connected to the second housing (9) being arranged symmetrically along a plane of symmetry perpendicular to the plane of the spring (6).

10. An electronic product, comprising:

the vibration exciter of any one of claims 1 to 9, which is provided on the sound emitting part, the vibration exciter being configured to drive the sound emitting part to vibrate and emit sound with respect to the electronic product main body.