CN216414583U

CN216414583U - Invisible elastic wave ultra-thin loudspeaker

Info

Publication number: CN216414583U
Application number: CN202122408852.2U
Authority: CN
Inventors: 傅光淮
Original assignee: Minami Electroacoustic Co Ltd
Current assignee: Minami Electroacoustic Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-29
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses an invisible elastic wave ultra-thin loudspeaker which comprises a bracket and a vibrating membrane which is arranged on the bracket and can vibrate and sound, wherein a damping part for buffering vibration is arranged between the vibrating membrane and the bracket. The support and the vibrating membrane are enclosed to form a vibrating cavity, and the damping piece is located in the vibrating cavity and swings up and down to buffer vibration when the vibrating membrane vibrates to produce sound. Above-mentioned structure will be used for buffering the damping piece of vibrations to locate between support and vibrating diaphragm to utilize the vibrations chamber to provide the space for the swing of damping piece, need not to set up the buffering space between damping piece and vibrating diaphragm and between damping piece and voice coil loudspeaker voice coil when making the damping piece swing, reduced the whole height and the whole weight of speaker, realize frivolous, the miniaturization of speaker.

Description

Invisible elastic wave ultra-thin loudspeaker

[ technical field ] A method for producing a semiconductor device

The present application relates to speakers, and more particularly, to invisible damper ultra-thin speakers.

[ background of the utility model ]

In the existing loudspeaker structure, the elastic wave is arranged between the voice coil and the vibrating diaphragm, and in order to realize the buffer effect, one section of buffer belt is arranged between the elastic wave and the vibrating diaphragm and between the elastic wave and the voice coil. The structure makes the height of the loudspeaker more than 20mm, and the light, thin and small products cannot be realized.

[ Utility model ] content

An object of this application is to provide stealthy ultra-thin type speaker of bullet ripples, and it locates the damping piece between support and the vibrating diaphragm, when realizing the buffering, has shortened the whole height of speaker, realizes the frivolousization and the miniaturization of speaker.

The application is realized by the following technical scheme:

the invisible elastic wave ultra-thin loudspeaker comprises a support and a vibrating membrane which is arranged on the support and can vibrate and sound, wherein a damping part for buffering vibration is arranged between the vibrating membrane and the support.

According to the invisible elastic wave ultra-thin loudspeaker, the voice coil used for driving the vibrating diaphragm to vibrate is arranged on the support.

According to the invisible elastic wave ultra-thin loudspeaker, the vibrating membrane comprises the vibrating part connected with the voice coil, and the vibrating part is planar.

According to the invisible elastic wave ultra-thin loudspeaker, the damping piece is in a sheet shape.

The invisible elastic wave ultra-thin loudspeaker at least comprises a support ring connected between the bracket and the vibrating membrane and a swinging piece connected on the support ring, wherein the swinging piece swings in the vibrating direction when the vibrating membrane vibrates.

The invisible elastic wave ultra-thin loudspeaker further comprises an auxiliary ring arranged on the vibrating membrane, the auxiliary ring is positioned on the outer side or the inner side of the support ring, and the auxiliary ring and the support ring are arranged at intervals and connected with the swinging piece.

In the invisible elastic wave ultra-thin speaker, the number of the swinging pieces is multiple, and the swinging pieces are distributed at intervals along the peripheral side of the support ring.

The invisible elastic wave ultra-thin loudspeaker comprises a swinging piece and a plurality of sub swinging pieces.

In the invisible elastic wave ultra-thin speaker, two ends of the sub oscillating piece are respectively connected with the support ring and the auxiliary ring, and the middle part of one of the two sub oscillating pieces extends towards the direction of the other sub oscillating piece.

In the invisible elastic wave ultra-thin speaker, the diaphragm includes a relief portion facing the swinging member, and the relief portion is arched in a direction away from the support.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, the damping piece is arranged between the support and the vibrating membrane, so that the whole height and the whole weight of the loudspeaker are reduced while buffering is realized, and the loudspeaker is light, thin and small.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a perspective view of an invisible elastic wave ultra-thin speaker according to an embodiment of the present application;

FIG. 2 is an exploded view of an invisible elastic wave ultra-thin speaker according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of an invisible elastic wave ultra-thin speaker according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a perspective view of a diaphragm in an embodiment of the present application;

fig. 6 is a perspective view of a damper in an embodiment of the present application.

[ detailed description ] embodiments

In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The invisible elastic wave ultra-thin loudspeaker shown in fig. 1-6 comprises a support 1 and a vibrating membrane 3 which is arranged on the support 1 and can vibrate and sound, wherein a damping piece 4 for buffering vibration is arranged between the vibrating membrane 3 and the support 1, the support 1 and the vibrating membrane 3 enclose a vibrating cavity 2, and the damping piece 4 is positioned in the vibrating cavity 2 and can swing up and down to buffer vibration when the vibrating membrane 3 vibrates and sounds. Above-mentioned structure will be used for buffering the damping piece of vibrations to locate between support and vibrating diaphragm to utilize the vibrations chamber to provide the space for the swing of damping piece, need not to set up the buffering space between damping piece and vibrating diaphragm and between damping piece and voice coil loudspeaker voice coil when making the damping piece swing, reduced the whole height and the whole weight of speaker, realize frivolous, the miniaturization of speaker.

Further, as a preferred embodiment of the present invention, but not limited thereto, a voice coil 5 for driving the diaphragm 3 to vibrate is disposed on the support 1, wherein one side of the voice coil 5 is connected to the diaphragm 3, wherein the diaphragm 3 includes a vibration portion 32 connected to the voice coil 5, and preferably, the vibration portion 32 is planar. The vibration part is in a plane shape, so that the height of the loudspeaker is reduced, and the loudspeaker is light, thin and small.

Further, as a preferred embodiment of the present invention, but not limiting thereto, the damping member 4 is in the form of a sheet. The damping piece does not need to realize buffering by utilizing self expansion and contraction, so that the damping piece in the structure can be manufactured into a sheet shape, the height of the loudspeaker is further reduced, and the loudspeaker is lightened, thinned and miniaturized.

Further, as a preferred embodiment of the present invention, but not limited thereto, the damping member 4 includes at least a support ring 41 connected between the support 1 and the diaphragm 3 and an oscillating member 42 connected to the support ring 41, and the oscillating member 42 oscillates in a vibration direction when the diaphragm 3 vibrates. The structure realizes the buffering of vibration through the swinging of the swinging piece, and has simple structure and convenient implementation.

Further, as a preferred embodiment of the present invention, but not limited thereto, the damping member 4 further includes an auxiliary ring 43 disposed on the diaphragm 3, the auxiliary ring 43 being located outside or inside the support ring 41, and the auxiliary ring 43 being spaced apart from the support ring 41 and connected to the oscillating member 42. In particular, the auxiliary ring 43 is glued to the diaphragm 3. The arrangement can improve the connection stability of the swinging piece, simultaneously avoid the falling of the damping piece and prolong the service life of the product.

Further, as a preferred embodiment of the present invention, not limiting, the auxiliary ring 43, the support ring 41 and the oscillating member 42 are integrally formed. This arrangement facilitates processing.

Further, as a preferred embodiment of the present invention, but not limited thereto, the number of the oscillating members 42 is plural, and the oscillating members 42 are distributed at intervals along the circumferential side of the support ring 41. Preferably, the number of said pendulums 42 is 4, four of said pendulums 42 being equally spaced along the circumference of said support ring 41. The arrangement can realize the balance of force, is beneficial to the support of the vibrating membrane and ensures the concentricity of the voice coil in the magnetic circuit.

Further, as a preferred embodiment of the present invention, but not limiting thereto, said oscillating piece 42 comprises two symmetrically arranged sub-oscillating pieces 421. This arrangement further achieves a balance of forces, which is advantageous for supporting the diaphragm, while ensuring concentricity of the voice coil in the magnetic circuit.

Specifically, both ends of the sub-swinging members 421 are connected to the support ring 41 and the auxiliary ring 43, respectively, and the middle portion of one sub-swinging member 421 of the two sub-swinging members 421 extends in the direction of the other sub-swinging member 421. As can be seen, the oscillating member 42 is shaped like a Chinese character ji, and specifically, the oscillating member 42 includes a first arc segment (not shown) connected to the supporting ring 41, a second arc segment (not shown) connected to the auxiliary ring 43, and a third arc segment (not shown) connecting the first arc segment and the second arc segment, and the third arc segment extends toward the other sub-oscillating member 421. This structure is advantageous for the swing of the swing member and for the improvement of the deformation resistance of the swing member.

Further, as a preferred embodiment of the present invention, but not limited thereto, the diaphragm 3 further includes a relief portion 31 directly facing the swinging member 42, and the relief portion 31 is arched in a direction away from the bracket 1. The arrangement can avoid the vibration membrane from being damaged due to the interference between the swinging piece and the vibration membrane when the swinging piece swings up and down.

By adopting the structure, the height of the loudspeaker can be reduced to 6-20 mm from the original 20-40 mm, wherein the height of the damping piece can be reduced to 0.2mm from the original 2-15 mm, the vibration membrane can be reduced to 0.5mm from the original 5-30 mm, and the reduction of the weight of the loudspeaker is caused due to the reduction of the volume of the loudspeaker, so that the sound production efficiency of the loudspeaker with the reduced volume can still reach about 99% of the sound production efficiency of the traditional loudspeaker. In summary, the present invention not only maintains the sound generating efficiency of the speaker, but also realizes the lightness, thinness and miniaturization of the speaker.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and 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 application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.

Claims

1. The invisible elastic wave ultra-thin loudspeaker is characterized by comprising a support (1) and a vibrating membrane (3) which is arranged on the support (1) and can vibrate and sound, wherein a damping piece (4) used for buffering vibration is arranged between the vibrating membrane (3) and the support (1).

2. The ultra-thin invisible acoustic wave speaker as claimed in claim 1, wherein the support (1) is provided with a voice coil (5) for driving the diaphragm (3) to vibrate.

3. The ultra-thin invisible acoustic wave speaker as claimed in claim 2, wherein the diaphragm (3) includes a vibration portion (32) connected to the voice coil (5), and the vibration portion (32) is planar.

4. The ultra-thin stealth damper loudspeaker according to claim 1, wherein said damper (4) is in the form of a sheet.

5. The invisible acoustic wave ultra-thin type speaker according to claim 1, wherein the damping member (4) includes at least a support ring (41) connected between the holder (1) and the diaphragm (3) and a swinging member (42) connected to the support ring (41), the swinging member (42) swinging in a vibrating direction when the diaphragm (3) vibrates.

6. The invisible acoustic wave ultra-thin type speaker according to claim 5, wherein the damping member (4) further comprises an auxiliary ring (43) disposed on the diaphragm (3), the auxiliary ring (43) is disposed outside or inside the support ring (41), and the auxiliary ring (43) is spaced from the support ring (41) and connected to the swinging member (42).

7. The invisible elastic wave ultra-thin type loudspeaker according to claim 5, wherein the number of the swinging members (42) is plural, and the plural swinging members (42) are distributed at intervals along the peripheral side of the support ring (41).

8. The invisible acoustic wave ultra-thin speaker as set forth in claim 6, wherein said pendulum (42) comprises two symmetrically disposed sub-pendulums (421).

9. The invisible acoustic wave ultra-thin type speaker according to claim 8, wherein both ends of the sub-swinging members (421) are connected to the supporting ring (41) and the auxiliary ring (43), respectively, and a middle portion of one of the sub-swinging members (421) extends toward the other sub-swinging member (421) of the two sub-swinging members (421).

10. The invisible wave ultra-thin type speaker according to claim 5, wherein the diaphragm (3) includes a relief portion (31) facing the swinging member (42), and the relief portion (31) is arched in a direction away from the stand (1).