CN210202091U

CN210202091U - Loudspeaker device

Info

Publication number: CN210202091U
Application number: CN201921024880.0U
Authority: CN
Inventors: Wei Chen; 陈伟; Jun Wu; 吴军
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2019-06-29
Filing date: 2019-07-03
Publication date: 2020-03-27
Anticipated expiration: 2029-07-03
Also published as: WO2021000100A1

Abstract

The utility model provides a loudspeaker device, it includes: form accommodating space's lid and accept in sound production monomer in the accommodating space, be equipped with the sound absorption chamber that holds the sound absorption powder in the lid, the lid is equipped with the first through-hole of intercommunication sound absorption chamber and external, speaker device still including install in the surface of lid and cover the encapsulation subassembly of first through-hole, the encapsulation subassembly is including piling up the sealing member and the ventilative separator that set up, be equipped with first trompil on the sealing member, the sound absorption chamber passes through first through-hole first trompil and external intercommunication. Through improving the speaker device surface and holding the communicating first through-hole in chamber, this through-hole can be used to irritate powder and leak passage to this through-hole configuration encapsulation subassembly, and the aperture size on the adjustment placement subassembly and the specification of adjustment screen cloth realize inhaling the sealed and leakage damping's of sound powder effect, simplify the equipment process.

Description

Loudspeaker device

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electroacoustic conversion field especially relates to a speaker device.

[ background of the invention ]

The polymer nano sound amplifying technology in the prior art is widely applied to various electronic products gradually due to good sound effect, and in the prior art, sound absorbing powder is usually filled in a loudspeaker device so as to improve the performance of the loudspeaker device and meet the pursuit of high-quality music.

At present, in the preparation process of the speaker device, for the application of the sound-absorbing powder in the speaker device, usually, a leakage hole and a powder filling hole are designed on the shell of the speaker device, a polymer nano sound-absorbing material is filled in the powder filling hole area, and a mesh fabric and a back adhesive assembly are arranged to form a sound-raising module leakage channel, so that the damping of the sound-raising module can be increased, and the PET sealing sheet and the back adhesive assembly are arranged to realize the sealing of the sound-raising module, but the assembly process of the structure is complex.

Therefore, there is a need for a new speaker device.

[ Utility model ] content

An object of the utility model is to provide a speaker device to solve the technical problem that speaker device's among the prior art process is complicated.

The technical scheme of the utility model as follows:

a speaker apparatus, comprising: form accommodating space's lid and accept in sound production monomer in the accommodating space, be equipped with the sound absorption chamber that holds the sound absorption powder in the lid, the lid is equipped with the first through-hole of intercommunication sound absorption chamber and external, speaker device still including install in the surface of lid and cover the encapsulation subassembly of first through-hole, the encapsulation subassembly is including piling up the sealing member and the ventilative separator that set up, be equipped with first trompil on the sealing member, the sound absorption chamber passes through first through-hole first trompil and external intercommunication.

Preferably, the speaker device further includes a receiving groove recessed from an outer surface of the cover body toward the sound absorbing cavity, the package assembly is disposed in the receiving groove, and the first through hole is located in a bottom wall of the receiving groove.

Preferably, the breathable partition and the sealing member are sequentially assembled from the bottom wall of the receiving groove to the direction of the notch of the receiving groove.

Preferably, the sealing member and the air-permeable partition member are sequentially assembled in a direction from the bottom wall of the receiving groove to the notch of the receiving groove.

Preferably, the packaging assembly comprises a first double-faced adhesive located between the sealing element and the breathable isolating element, and the first double-faced adhesive is provided with a second opening.

Preferably, the speaker device further includes a second double-sided adhesive for mounting the enclosure assembly on the cover, and the second double-sided adhesive has a third opening.

Preferably, the aperture of the third opening of the second double-sided adhesive is greater than or equal to the aperture of the first through hole.

Preferably, the aperture of the second opening of the first double-sided adhesive is smaller than or equal to the aperture of the third opening of the second double-sided adhesive.

Preferably, the aperture of the first opening of the sealing element is smaller than or equal to the aperture of the second opening of the first double-sided adhesive.

Preferably, the sealing element is a plastic sealing element or a steel sheet sealing element or a carbon fiber sheet sealing element.

The beneficial effects of the utility model reside in that: the utility model provides a loudspeaker device, through setting up the first through-hole as the hole that leaks and irritate the powder hole and use simultaneously, and superpose and first through-hole match sealing member and ventilative separator in the holding tank, be equipped with first trompil on the sealing member, the sound-absorbing chamber passes through first through-hole first trompil and external intercommunication realize leaking the hole and irritate the function in powder hole, need not set up respectively and leak the hole and irritate the powder hole, and the equipment process is simpler.

[ description of the drawings ]

Fig. 1 is a perspective view of a speaker device provided in the present invention;

fig. 2 is a schematic structural diagram of a speaker device according to the present invention;

fig. 3 is an internal structure view of an upper cover of a speaker device according to the present invention;

fig. 4 is a three-dimensional cross-sectional boundary diagram of the speaker device provided by the present invention;

fig. 5 is a cross-sectional view of a speaker device according to an embodiment of the present invention;

fig. 6 is an assembly structure view of a package assembly according to a first embodiment of the present invention;

fig. 7 is an assembly structure view of a package assembly according to a second embodiment of the present invention;

fig. 8 is an enlarged view of a structure of the accommodating groove according to an embodiment of the present invention.

[ detailed description ] embodiments

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 8, the speaker device includes: the loudspeaker device comprises a cover body 1 forming an accommodating space and a sound-producing monomer 2 accommodated in the accommodating space, wherein a sound-absorbing cavity 3 accommodating sound-absorbing powder is arranged in the cover body 1, the cover body is provided with a first through hole 4 communicating the sound-absorbing cavity with the outside, the loudspeaker device further comprises a packaging assembly 5 installed on the outer surface of the cover body 1 and covering the first through hole 4, the packaging assembly 5 comprises a sealing element 51 and a ventilating partition 52 which are stacked, a first opening 511 is arranged on the sealing element 51, and the sound-absorbing cavity 3 is communicated with the outside through the first through hole 4 and the first opening 511.

In the embodiment of the present invention, a first through hole 4 is disposed on the outer surface of the top wall of the cover body 1 of the speaker device, and the first through hole 4 can be used to realize the function of powder filling hole and the function of leakage channel by matching with the packaging assembly 5 having a through hole; this speaker device only needs to set up aperture and the structure of a first through-hole 4 and adjustment encapsulation subassembly 5, can realize inhaling the sealed and leakage damping of the sound powder of inhaling in the sound cavity 3 among the speaker device, has simplified the installation procedure in the course of working.

In the embodiment of the present invention, the cover 1 includes: the upper cover 11 and the lower cover 12 form a closed space with the upper cover 11, and the upper cover 11 comprises a sound absorbing cavity 3 and a sound generating cavity 21 for mounting the sound generating unit 2.

The sound absorbing cavity 3 in the upper cover 11 of the speaker device comprises a surrounding wall 32 of the sound absorbing cavity 3 extending from the top wall 31 of the sound absorbing cavity 3 in the upper cover 11 to the lower cover 12 and a ventilating isolation bottom plate 33 abutting against the surrounding wall 32, the ventilating isolation bottom plate 33 is separated from the lower cover 12, fine ventilating small holes are formed in the ventilating isolation bottom plate 33, sound absorbing powder can be prevented from leaking in the cover 1 through the small holes in the ventilating isolation bottom plate 33, meanwhile, sound emitted by the sending unit 2 can enter the sound absorbing cavity 3 through the ventilating isolation bottom plate 33, and the low-frequency performance of the speaker device is improved.

The speaker device further includes a receiving groove 6 recessed from the outer surface of the cover 1 toward the sound-absorbing cavity 3, the enclosure assembly 5 is disposed in the receiving groove 6, and the first through hole 4 is located in the bottom wall 61 of the receiving groove 6. The embodiment of the present invention provides an accommodating groove 6 is formed on the surface of the cover body 1 of the speaker device, the accommodating groove 6 is a cylindrical groove, and is used for accommodating the packaging assembly 5, the packaging assembly 5 obtained after the superposition of the sealing element 51 and the breathable isolating element 52 is a small cylindrical assembly, and the shape of the packaging assembly 5 is matched with the shape of the groove in the groove, so that the top surface of the packaging assembly 5 arranged in the accommodating groove 6 is not protruded, wherein, the packaging assembly 5 is assembled to the accommodating groove 6, the surface of the packaging assembly 5 far away from the first through hole and the surface of the outer side of the top of the cover body 1 are the same plane, or the surface of the outer side of the top of the cover body 1 is slightly lower than the surface.

Further, set up a first through-hole 4 at holding tank 6 center, this first through-hole 4 is used for filling the sound absorption powder that is used for absorbing sound to the sound absorption chamber 3 in the lid 1, and this first through-hole 4 still cooperates above-mentioned encapsulation subassembly 5 to be used as the leak path, with leakage damping, make first through-hole 4 realize irritating the effect of powder passageway and leak path simultaneously, need not to set up respectively on lid 1 surface and irritate powder hole and leak hole, can simplify speaker device's equipment process like this, and the pleasing to the eye of lid surface has been increased, and is preferred, the sound absorption powder that this embodiment chooseed for use is DBASS polymer nanometer powder.

In a possible realization, the gas-permeable barrier 52 and the seal 51 are assembled in succession in the direction from the bottom wall 61 of the receiving groove 6 to the notch 62 of the receiving groove 6. In the actual assembly, the sound-absorbing cavity 3 is first filled with powder through the first through hole 4, and then the bottom wall 61 of the accommodating groove 6 is assembled by the air-permeable partition 52, the sound-absorbing powder in the sound-absorbing cavity 3 is isolated by the air-permeable partition 52, the sealing member 51 covers the air-permeable partition 52, and the sealing member 51 with the first opening 511 is used for sealing and leakage damping.

In another realisable manner, the sealing element 51 and the gas-permeable barrier element 52 are assembled in succession in the direction from the bottom wall 61 of the receiving groove 6 to the notch 62 of the receiving groove 6. In actual assembly, powder filling operation is firstly carried out on the sound absorption cavity 3 through the first through hole 4; then fitted on the bottom wall 61 of the housing groove 6 again with the seal 51, the first through hole 4 being sealed and leak-damped by the seal 51 having the first opening 511; the air-permeable spacer 52 is covered on the sealing member 51, and the sound-absorbing powder in the sound-absorbing chamber 3 is isolated by the air-permeable spacer 52, thereby preventing the sound-absorbing powder from overflowing or leaking.

Further, the package assembly 5 includes a first double-sided adhesive 53 located between the sealing member 51 and the air-permeable spacer 52, and the first double-sided adhesive 53 has a second opening 531. In this embodiment, when the shape of the first double-sided adhesive 53 is the same as or similar to the bottom wall 61 of the receiving groove 6, and the area of the first double-sided adhesive 53 is similar to the area of the bottom wall 61 of the receiving groove 6, other methods are used to fix the air-permeable isolating piece 52 or the sealing piece 51 on the bottom wall 61 of the receiving groove 6; when the area of the first double-sided adhesive 53 is large enough, that is, the first double-sided adhesive 53 completely covers the bottom wall 61 of the receiving groove 6 and the area of the first double-sided adhesive 53 is larger than that of the bottom wall of the receiving groove 6, the air-permeable partition 52 and the sealing element 51 can be fixedly arranged in the receiving groove without additional fixation of the air-permeable partition 52 or the sealing element 51 on the bottom wall 61 of the receiving groove 6; the utility model discloses do not further limit to this first double faced adhesive tape 53's area.

Further, the speaker device further includes a second double-sided adhesive 541 for mounting the enclosure 5 on the cover 1, and the second double-sided adhesive 541 has a third opening 71.

Specifically, second double faced adhesive 541 is used for pasting sealing member 51 and ventilative separator 52, makes to be connected fixedly between sealing member 51 and the ventilative separator 52, and first double faced adhesive 53 is used for pasting ventilative separator 52 and holding tank 6's diapire for encapsulation subassembly 5 is fixed in holding tank 6, wherein, and sets up the trompil on the encapsulation subassembly 5 the utility model discloses in the embodiment, the trompil of placing on the subassembly 5 includes: the first opening, the second opening and the third opening of the first double-sided adhesive 53 and the third opening of the second double-sided adhesive 541 on the sealing element 51 are combined with the first through hole 4 to realize the communication between the sound-absorbing cavity 3 and the outside, and the ventilation isolating element 52 is combined to lead the packaging component 5 to package the DBASS powder in the sound-absorbing cavity 3 and simultaneously realize the matching with the first through hole to form a leakage channel.

Further, the aperture of the third opening 71 of the second double-sided adhesive 541 is greater than or equal to the aperture of the first through hole 4. In the embodiment of the present invention, the second double-sided adhesive 541 is adhered to the bottom wall 61 of the accommodating groove 6, and at this time, the aperture of the third opening 71 on the second double-sided adhesive 541 should be greater than or equal to the aperture of the first through hole 4, so as to prevent the sound-absorbing powder in the sound-absorbing cavity 3 from contacting the second double-sided adhesive 541, so that the sound-absorbing powder is contaminated and the damping is affected;

further, the aperture of the second opening 531 of the first double-sided adhesive 53 is smaller than or equal to the aperture of the third opening 71 of the second double-sided adhesive 541. In the embodiment of the present invention, the transparent isolating member 52 is located on the second double-sided adhesive 541 for adhering connection, so as to isolate the sound-absorbing powder in the sound-absorbing cavity 3 and prevent the sound-absorbing powder from overflowing or contacting with the first double-sided adhesive 53 on the transparent isolating member 52; when the aperture of the second opening 531 on the first double-sided adhesive 53 is smaller than the aperture of the third opening 71 on the second double-sided adhesive 541 and smaller than the first through hole 4, the second double-sided adhesive 541 also has the advantages of improving the damping of the speaker device, improving the stress area of the connection assembly between the air-permeable partition 52 and the sealing element 51 in the enclosure assembly 5, and increasing the firmness;

further, the aperture of the first opening 511 of the sealing member 51 is smaller than or equal to the aperture of the first opening 531 of the first double-sided adhesive 53. In the embodiment of the present invention, the aperture of the first opening 511 on the sealing member 51 is smaller than or equal to the aperture of the second opening 531 on the first double-sided adhesive 53, it should be understood that when the aperture of the second opening 531 of the first double-sided adhesive 53 is equal to the aperture of the third opening 71 of the second double-sided adhesive 54, the first opening 511 on the sealing member 51 must be smaller than the aperture of the second opening 531 of the first double-sided adhesive 53, and the first opening 511 on the sealing member 51 must be smaller than the aperture of the first through hole 4; when the aperture of the second opening 531 of the first double-sided adhesive 53 is smaller than the aperture of the third opening 71 of the second double-sided adhesive 54, the aperture of the first opening 511 on the sealing member 51 may be equal to or smaller than the aperture of the second opening 531 of the first double-sided adhesive 53, that is, when the aperture of the second opening 531 of the first double-sided adhesive 53 is small enough to satisfy the possible aperture of the leakage path in the present embodiment, the aperture of the first opening 511 of the sealing member 51 is equal to the aperture of the second opening 531 of the first double-sided adhesive 53, so as to achieve the effect of controlling the leakage damping of the speaker device. In this embodiment, when the aperture of the first opening 531 of the first double-sided adhesive 53 between the sealing element 51 and the transparent spacer 52 is smaller than the aperture of the third opening 71 of the second double-sided adhesive 541, the adhering connection area between the first double-sided adhesive 53 and the sealing element 51 and the transparent spacer 52 can be increased, and the stability of the package assembly 5 is improved. It can be understood that, in practical application, the size of the aperture of each through hole can be determined according to specific needs, and details are not described here.

Further, the sealing member 51 is a plastic sealing member or a steel sheet sealing member or a carbon fiber sheet sealing member. In the embodiment of the present invention, the sealing element 51 with the first opening 511 is a circular sealing element 51 with a circular hole at the center, the sealing element 51 needs to increase the hardness performance of the packaging assembly 5, and the ventilation isolating element 52 effectively prevents the sound absorbing powder in the sound absorbing cavity 3 from leaking out, so as to realize sealing, thereby enhancing the packaging strength of the accommodating groove 6; and the first opening 511 on the sealing member 51 forms a leakage passage in cooperation with the first through hole 4, which can be used for adjusting the damping of the speaker device; the material that sealing member 51 chose for use is PET (polyethylene terephthalate) material, but is not limited to this, and other materials also can realize, the utility model discloses do not describe this further.

Further, the transparent spacer 52 is a cloth transparent spacer. In the embodiment of the present invention, the air-permeable partition 52 is a circular mesh fabric, which is used as an auxiliary material in a speaker device, and is woven by a high-precision loom using polyester and terylene as raw materials, and has the characteristics of variable density, light weight, certain rigidity, smoothness, sound resistance, etc.; the sound frequency of the speaker device can be adjusted and distortion can be prevented by adjusting the density and thickness of the air-permeable partition 52, so as to improve the sound performance of the speaker device. The air permeable barrier 52 may be in other shapes and of other types of materials, and this embodiment is not limited thereto.

The beneficial effects of the utility model reside in that: the utility model provides a loudspeaker device, hold the first through-hole of the cavity of inhaling the sound powder through improving loudspeaker device, this through-hole can be used for leaking the hole and pouring the hole, and match the encapsulation subassembly to the holding tank, realize leak passage's function, the equipment process has been simplified, through adjusting the first double faced adhesive in the encapsulation subassembly, the aperture size of second double faced adhesive and sealing member, in order to improve loudspeaker device's damping, and adjust the specification of transparent separator, make the sound powder of inhaling that holds in the chamber preserve in holding the chamber, improve loudspeaker device's sound performance, and the aperture size through each part in the adjustment encapsulation subassembly, can further improve the damping, further improve loudspeaker's performance.

The above are only embodiments of the present invention, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. A speaker apparatus, comprising: form accommodating space's lid and accept in sound production monomer in the accommodating space, be equipped with the sound absorption chamber that holds the sound absorption powder in the lid, the lid is equipped with the first through-hole of intercommunication sound absorption chamber and external, its characterized in that, speaker device still including install in the surface of lid and cover the encapsulation subassembly of first through-hole, the encapsulation subassembly is including piling up the sealing member and the ventilative separator that set up, be equipped with first trompil on the sealing member, the sound absorption chamber passes through first through-hole first trompil and external intercommunication.

2. The speaker device as claimed in claim 1, further comprising a receiving groove recessed from an outer surface of the cover toward the sound-absorbing chamber, wherein the package is disposed in the receiving groove, and the first through hole is located at a bottom wall of the receiving groove.

3. The speaker device as claimed in claim 2, wherein the air-permeable partition and the sealing member are sequentially fitted in a direction from the bottom wall of the receiving groove to the notch of the receiving groove.

4. The speaker device as claimed in claim 2, wherein the sealing member and the air-permeable partition are fitted in order from the bottom wall of the receiving groove to the direction of the notch of the receiving groove.

5. A loudspeaker device according to claim 3 or 4, wherein the enclosure assembly comprises a first double-sided adhesive between the sealing member and the air-permeable barrier member, the first double-sided adhesive having a second opening therein.

6. The speaker assembly of claim 5 further comprising a second double-sided adhesive for mounting the enclosure assembly to the cover, the second double-sided adhesive having a third opening therein.

7. The speaker device as claimed in claim 6, wherein the third opening of the second double-sided adhesive has an aperture greater than or equal to the aperture of the first through hole.

8. The speaker device of claim 6, wherein an aperture of the second opening of the first double-sided adhesive is smaller than or equal to an aperture of the third opening of the second double-sided adhesive.

9. The speaker device of claim 6, wherein an aperture of the first opening of the sealing member is smaller than or equal to an aperture of the second opening of the first double-sided adhesive.

10. A loudspeaker device according to claim 1, wherein the seal is a plastic seal or a steel sheet seal or a carbon fibre sheet seal.