CN210225738U

CN210225738U - Sound cavity structure and electronic equipment

Info

Publication number: CN210225738U
Application number: CN201920899154.7U
Authority: CN
Inventors: Yicheng Zhang; 张义成; Fei Jin; 金飞
Original assignee: SHENZHEN RAYSGEM ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: SHENZHEN RAYSGEM ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-03-31
Anticipated expiration: 2029-06-15

Abstract

The utility model relates to the technical field of mirrors, in particular to a sound cavity structure and an electronic device, wherein the sound cavity structure comprises a sound cavity shell and a separator arranged in the inner cavity of the sound cavity shell, and the separator separates the inner part of the sound cavity shell into a sound guide cavity and a rear sound cavity; the sound guide cavity comprises a first front cavity and a second front cavity communicated with the first front cavity; the first front cavity is arranged close to the separator and used for guiding sound to the second front cavity; the second front cavity is provided with a sound hole for playing sound outwards. The electronic equipment is provided with the sound cavity structure. The technical scheme can better match the structure of the conventional electronic equipment and can better meet the requirements on sound volume and/or tone quality during remote voice interaction.

Description

Sound cavity structure and electronic equipment

Technical Field

The utility model relates to a sound chamber technical field specifically, relates to sound chamber structure and electronic equipment.

Background

The mirror is a daily popular consumer product and becomes necessary equipment for household use. From an ancient society thousands of years ago to a modern society today, people live few mirrors. The mirror can be said to be a rigid requirement and there is no alternative to the mirror, its most primary function being to trim the meter. The development of the society now, the use of mirror is also diversified. Mirrors are also used in many industries, traffic industries, etc. But the largest group of using audience members are also members of the common family. The main functions of the mirror for clothes in bedroom, the cosmetic mirror in bathroom, etc. are also used for arranging instruments. Meanwhile, the intelligent mirror which is popular in recent years is more and more noticed by consumers when in use, and the sound cavity is the key for solving the sound quality.

The utility model discloses the inventor is realizing the utility model discloses an in-process discovers: at present, the structure requirement of an intelligent mirror which cannot be met by a sound cavity structure adopted in the intelligent mirror is thinner, and the requirement on sound volume and/or sound quality is met during remote voice interaction.

Disclosure of Invention

To the above-mentioned defect of prior art, the utility model discloses a main aim at provides a sound cavity structure, the structure of intelligence mirror now of cooperation that can be better to sound volume and/or tone quality requirement when more satisfying remote voice interaction.

In order to solve the above technical problems, an embodiment of the present invention provides a sound cavity structure, wherein,

comprises a sound cavity shell body,

the partition piece is arranged in the inner cavity of the sound cavity shell and divides the inner part of the sound cavity shell into a sound guide cavity and a rear sound cavity;

the sound guide cavity comprises a first front cavity and a second front cavity communicated with the first front cavity;

the first front cavity is arranged close to the separator and used for guiding sound to the second front cavity;

the second front cavity is provided with a sound hole for playing sound outwards.

In this embodiment, the partition member for mounting the speaker is disposed corresponding to the sound hole, so that it is more favorable for the sound emitted from the speaker to be transmitted outward from the sound hole. During the use, the sound of speaker reachs first preceding cavity, and first preceding cavity passes to the second preceding cavity then outwards broadcast through the sound hole with sound, through first preceding cavity and the smooth transmission of follow sound hole of second preceding cavity with sound outside the sound chamber casing.

Further, the area of the sound hole is not larger than the area of the partition.

Further, the partition is provided with a mounting hole, and the mounting hole is provided with a loudspeaker; one end of the sound film of the loudspeaker is arranged towards the sound hole.

Furthermore, the separating part and the sound cavity shell are detachably connected.

Further, the joint of the partition and the sound cavity shell is sealed through a first sound insulation piece.

Furthermore, the back sound cavity comprises a first back cavity body and a second back cavity body, wherein the first back cavity body is close to the separating piece, and the second back cavity body is communicated with the first back cavity body.

Further, the back sound chamber is equipped with the vibrating diaphragm and leaks the hole, the vibrating diaphragm installation and second back cavity, leak the hole and locate one side that first back cavity kept away from the separator.

On the other hand, the electronic equipment is further disclosed, wherein the sound cavity structure comprises any one of the sound cavity structures, the electronic equipment is provided with a sound raising hole matched with the sound raising hole in a matched mode, and the sound cavity structure and the electronic equipment are fixedly installed.

Further, the electronic equipment is connected with the sound cavity structure in a contact mode and provided with a second sound insulation piece.

Further, the thickness of the second sound insulating member is 0.1-1.5 mm.

In the embodiment, the surface of the sound cavity structure provided with the opening is fixedly installed on the electronic equipment, and the sound hole is opposite to the sound emitting hole arranged on the electronic equipment, so that the sound passing through the sound hole can be transmitted outwards through the sound emitting hole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic diagram of an embodiment of a middle sound cavity structure of the present invention;

FIG. 2 is a schematic view from another perspective of FIG. 1;

FIG. 3 is a partially enlarged schematic view of A in FIG. 1;

fig. 4 is a schematic diagram of another embodiment of the middle sound cavity structure of the present invention;

fig. 5 is a schematic diagram of another embodiment of the middle sound cavity structure of the present invention;

fig. 6 is a partially enlarged schematic view of B in fig. 5 according to the present invention;

fig. 7 is a schematic view of an electronic device adopting the sound cavity structure of the present invention;

FIG. 8 is a schematic view of another perspective of FIG. 7;

fig. 9 is a schematic cross-sectional view from another perspective of fig. 7.

The following are marked in the figure:

1000-sound cavity structure;

10-sound guide cavity, 11-partition, 12-loudspeaker, 13-back sound cavity and 14-vibrating membrane;

101-a second front cavity, 102-a first front cavity, 103-a sound hole, 104-a limiting bulge and 105-a limiting groove;

130-a first rear cavity, 131-a second rear cavity;

2000-an electronic device;

200-loudspeaker holes.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "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 of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 and 2, the embodiment provides a sound cavity structure in which,

comprises a sound cavity shell body,

the partition 11 is arranged in the inner cavity of the sound cavity shell, and the partition 11 divides the inner part of the sound cavity shell into a sound guide cavity 10 and a rear sound cavity 13;

the sound guide cavity 10 comprises a first front cavity 102 and a second front cavity 101 communicated with the first front cavity 102;

the first front cavity 102 is disposed adjacent to the partition 11 for guiding sound to the second front cavity 101;

the second front cavity 101 is provided with a sound hole 103 for playing sound outwards.

It can be understood that, in order to solve the problem of sound quality of the intelligent mirror, the present embodiment is to arrange the partition 11 for installing the speaker 12 corresponding to the sound hole 103, so as to facilitate the sound emitted by the speaker 12 to be transmitted out from the sound hole 103. When the loudspeaker 12 is used, sound of the loudspeaker 12 firstly reaches the first front cavity 102, then the first front cavity 102 transmits the sound to the second front cavity 101 and then the sound is played outwards through the sound hole 103, and the sound is smoothly transmitted to the outside of the sound cavity shell from the sound hole 103 through the first front cavity 102 and the second front cavity 101.

It is understood that the partition 11 is disposed corresponding to the sound hole 103, and includes that the partition 11 is disposed parallel to the sound hole 103, i.e. the partition 11 is parallel to the plane of the sound hole 103; or the separating element 11 and the sound hole 103 are arranged in a non-parallel manner, that is, an included angle of not 90 degrees is formed between the separating element 11 and the sound hole.

In order to facilitate the installation of the speaker 12, an opening is provided at one side of the sound cavity housing close to the sound hole 103, when in use, the partition 11 is installed at the position where the opening is to be installed after the speaker 12 is installed, and at this time, the first front sound cavity and the second front sound cavity form a channel for sound propagation, that is, the sound emitted by the speaker 12 can be diffused outwards through the first front sound cavity, the second sound cavity and the sound hole 103.

In an embodiment, referring to fig. 1, the partition 11 is disposed parallel to a plane where the sound hole 103 is located, in this embodiment, the partition 11 is vertically fixed to the sound cavity housing, and the sound hole 103 is disposed parallel to the partition 11. So that the sound played by the speaker 12 installed in the partition 11 can be played out of the sound hole 103 relatively smoothly.

In another embodiment, referring to fig. 4, in order to reduce the height of the sound chamber housing, the partition 11 is set to be not perpendicular to the inner wall of the sound chamber housing opposite to the opening, and the sound hole 103 is set to be perpendicular to the inner wall of the sound chamber housing opposite to the opening.

In another embodiment, in order to reduce the height of the sound chamber housing, the partition 11 is set to be not perpendicular to the inner wall of the sound chamber housing on the side opposite to the opening, and the sound hole 103 is set to be not perpendicular to the inner wall of the sound chamber housing on the side opposite to the opening.

Further, the area of the sound hole 103 is not larger than the area of the partition 11.

It can be understood that, in order to make the sound cavity structure 1000 fit to the intelligent mirror and ensure sound quality, the embodiment is to design the height of the sound hole 103 to match the thickness of the frame of the intelligent mirror, and the heights of the rear sound cavity 13 and the first front sound cavity may be the same as or different from the height of the sound hole.

In one embodiment, referring to fig. 2, the second front sound cavity forms a smaller channel cross section than the first front sound cavity, and an end of the first front sound cavity away from the partition 11 is fixedly connected with an end of the second front sound cavity away from the sound hole and presents a stepped connection structure.

In another embodiment, the second front sound cavity forms a smaller channel cross section than the first front sound cavity, and the second front sound cavity and the first front sound cavity are in gentle transition connection, that is, the partition 11 is in gradually inclined transition towards the sound hole.

In yet another embodiment, the second front sound chamber forms a channel cross-section equal to that of the first front sound chamber, i.e. when the cross-sectional area of the sound hole is equal to that of the partition 11.

Further, as shown with reference to fig. 2 and 4, the partition 11 is provided with a mounting hole, and the mounting hole is provided with a speaker 12; the acoustic membrane end of the loudspeaker 12 is arranged towards the sound aperture.

It is understood that, in order to enable the speaker 12 to be mounted with the partition 11, a mounting hole is provided in the partition 11 for mounting and fixing the speaker 12, and in order to ensure that the sound played by the speaker 12 can be normally played out from the sound hole, one end of the speaker 12 capable of playing sound is fixed toward the sound hole.

Further, in order to facilitate the installation, the partition 11 is detachably connected to the sound cavity housing.

It can be understood that the partition 11 and the sound cavity housing are detachably connected, and in actual use, the sound cavity housing is separated from the partition 11, the speaker 12 is firstly mounted on the mounting hole of the partition 11, then the partition 11 and the inner wall of the sound cavity housing are fixedly mounted, and it is ensured that one end of the sound membrane of the speaker 12 faces the sound hole, so that sound can be normally transmitted out from the sound hole. The partition 11 is provided to be detachable from the sound chamber housing, so that the installation complexity of the speaker 12 and the partition 11 can be reduced, and the installation can be utilized.

In an embodiment, referring to fig. 1, 3 and 4, a limiting groove 105 is disposed on an inner wall of the sound cavity housing between the rear sound cavity 13 and the first front sound cavity, and after the partition 11 is mounted in the limiting groove 105, the limiting groove 105 can play a role of limiting and fixing the partition 11, that is, the partition 11 and the speaker 12 are fixedly mounted in corresponding positions.

In another embodiment, referring to fig. 5 and 6, a limiting protrusion 104 is disposed on the inner wall of the sound cavity housing between the rear sound cavity 13 and the first front sound cavity, corresponding limiting grooves are disposed on two side edges of the partition 11 for matching with the limiting protrusion 104, and after the partition 11 is mounted in the limiting grooves, the limiting grooves and the limiting protrusion 104 can play a role in limiting and fixing the partition 11, that is, the partition 11 and the speaker 12 are fixedly mounted in corresponding positions.

Further, in order to ensure that the detachable connection part between the partition 11 and the sound cavity shell does not generate sound leakage, the connection part between the partition 11 and the sound cavity shell is sealed by a first sound insulation member.

In one embodiment, the first sound-insulating member is made of sound-insulating foam, and the first sound-insulating member is disposed around the side of the partition 11 to achieve the effects of damping and insulating sound. The sound insulation/absorption foam mainly comprises PU sponge, PE foam, EVA foam, EPDM rubber foaming material and the like

Further, in order to prevent acoustic short-circuiting of low frequencies in the speaker 12 and to make low-frequency sound favorable, and to make sound perceived as sound mellow, the rear sound chamber 13 includes a first rear chamber 130 disposed adjacent to the partition 11, and a second rear chamber 131 communicating with the first rear chamber 130.

Further, for further improving the sound quality, the rear sound cavity 13 is provided with a diaphragm 14 and a leakage hole (not shown), the diaphragm 14 is mounted on the second rear cavity 131, and the leakage hole (not shown) is provided on a side of the first rear cavity 130 away from the partition 11.

In one embodiment, referring to fig. 1 and 4, the diaphragm 14 is provided with a second rear cavity 131 on a side away from the opening, and the leakage hole (not shown) is provided on a side of the first rear cavity 130 away from the partition 11.

In another embodiment, the diaphragm 14 is provided with a second rear cavity 131 near one side of the opening, and the leakage hole (not shown) is provided at the side of the first rear cavity 130 far from the partition 11.

On the other hand, an electronic device is further disclosed, wherein the sound cavity structure 1000 includes any one of the above mentioned sound cavity structures, the electronic device 2000 is provided with a speaker hole 200 matching with the sound hole, and the sound cavity structure 1000 and the electronic device 2000 are fixedly installed.

It can be understood that the side of the sound cavity structure 1000 provided with the opening is fixedly mounted on the electronic device 2000, and the sound hole is aligned with the sound emitting hole 200 provided on the electronic device 2000, so that the sound passing through the sound hole can be transmitted outwards through the sound emitting hole 200. The sound cavity structure 1000 is mounted and connected to the electronic device 2000 by means of adhesion, such as structural adhesive and 3M waterproof adhesive; meanwhile, other connection modes such as threaded connection, buckling connection and the like can be adopted. Here, the electronic device 2000 controls the speaker 12 to play a desired sound, and diffuses the sound to the outside of the electronic device 2000 through the sound cavity structure 1000.

Here, referring to fig. 7, 8 and 9, the intelligent mirror is taken as an example for explanation, and in actual use, a loudspeaker 12 electrically connected with the intelligent mirror and the partition 11 are installed, then the partition 11 and the loudspeaker 12 are installed on the inner wall of the sound cavity shell together, and the partition 11 and the inner wall of the sound cavity shell are fixedly installed by structural adhesive. Then, the side, with the opening, of the sound cavity shell is fixed with the intelligent mirror through glue, and the sound hole corresponds to the sound raising hole 200 formed in the intelligent mirror, so that the sound emitted by the loudspeaker 12 can be played outwards from the sound raising hole 200.

Further, in order to ensure the sound effect, the electronic device is connected with the sound cavity structure 1000 in a contact manner to form a second sound insulation member.

It will be appreciated that a second sound-insulating member for sound and shock insulation is provided at the edge of the opening, where the second sound-insulating member is made of the same material as the first sound-insulating member.

Further, the thickness of the second sound insulating member is 0.1-1.5 mm.

In one embodiment, the second sound insulating member is 0.1mm thick.

In another embodiment, the second sound insulator is 0.5mm thick.

In still another embodiment, the second sound insulating member is 1.5mm thick.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A sound cavity structure is provided, wherein,

comprises a sound cavity shell body,

2. The sound cavity structure according to claim 1, wherein an area of the sound hole is not larger than an area of the partition.

3. The sound cavity structure according to claim 1, wherein the partition is provided with a mounting hole, and the mounting hole is provided with a speaker; one end of the sound film of the loudspeaker is arranged towards the sound hole.

4. The sound cavity structure of claim 3 wherein the partition is removably connected to the sound cavity housing.

5. The sound cavity structure according to claim 4, wherein a junction of the partition and the sound cavity case is sealed by a first insulator.

6. The sound cavity structure according to claim 1, wherein the rear sound cavity comprises a first rear cavity disposed adjacent to the partition, and a second rear cavity communicating with the first rear cavity.

7. The sound cavity structure of claim 2, wherein the rear sound cavity is provided with a diaphragm mounted to the second rear cavity and a leak hole provided in the first rear cavity on a side away from the partition.

8. An electronic device comprising the sound cavity structure of any one of claims 1-7, wherein the electronic device is provided with a sound hole for matching with the sound hole, and the sound cavity structure is fixedly mounted with the electronic device.

9. The electronic device of claim 8, wherein a second sound insulator is provided in contact with the sound cavity structure.

10. The electronic device of claim 9, wherein the second acoustic barrier has a thickness of 0.1-1.5 mm.