CN211090325U

CN211090325U - Voice structure and display device

Info

Publication number: CN211090325U
Application number: CN201921363049.8U
Authority: CN
Inventors: 胡灵超; 陈伟雄; 王玉年
Original assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Current assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-07-24
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a speech structure and display device. The voice structure comprises a shell, a circuit board and an elastic supporting piece, wherein an accommodating cavity is arranged in the shell, and a through hole is formed in the shell; the circuit board is arranged in the accommodating cavity, a voice module is arranged on the front surface of the circuit board, and the voice module extends into the through hole; the elastic supporting piece is clamped between the inner wall of the accommodating cavity and the front surface of the circuit board. In the voice structure, the circuit board can be fixedly propped in the shell by arranging the elastic supporting piece, so that the fixing effect is good; the elastic supporting piece can adjust the pressure on the circuit board, so that the circuit board is prevented from deforming due to overlarge pressure; the voice module on the circuit board extends into the through hole, and the shell is prevented from influencing the work of the voice module.

Description

Voice structure and display device

Technical Field

The utility model relates to a display device technical field especially relates to a voice structure and display device.

Background

Far-field voice is used as a novel interaction mode, and the basic principle is that human-computer interaction is realized in a human voice mode to liberate the hands of a user. Far-field speech is the control instruction entry of the Artificial Intelligence Internet of Things (AIOT), and with the development of the AIOT industry, the television set has been gradually labeled with far-field speech.

Among the prior art, the pronunciation circuit board passes through double faced adhesive tape or fix with screw, and fixed effect is poor easily to drop off, and fastening pressure is great leads to the circuit board to warp easily, leads to the microphone to damage, causes the speech recognition rate low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a speech structure, the circuit board is fixed firm, non-deformable, and the microphone is not fragile.

To achieve the purpose, the utility model adopts the following technical proposal:

a speech structure comprising:

the device comprises a shell, a first fixing piece and a second fixing piece, wherein an accommodating cavity is formed in the shell, and a through hole is formed in the shell;

the circuit board is arranged in the accommodating cavity, a voice module is arranged on the front surface of the circuit board, and the voice module extends into the through hole; and

and the elastic supporting piece is clamped between the inner wall of the accommodating cavity and the front surface of the circuit board.

The elastic supporting piece is a spring plate, and the spring plate is welded and fixed on the front side of the circuit board.

The elastic sheet comprises a welding leg and an elastic arm connected with the welding leg, the welding leg is fixedly welded on the circuit board, and the elastic arm is abutted to the inner wall of the accommodating cavity.

The elastic arm is of a multi-edge structure which is bent for multiple times, and the two ends of the elastic arm are connected with the welding feet.

Wherein the speech structure further comprises:

the buffer layer is clamped between the inner wall of the accommodating cavity and the back face of the circuit board.

Wherein the buffer layer is made of rubber, foam or foam.

Wherein the housing comprises:

the circuit board and the elastic supporting piece are arranged in the box body; and

the cover plate is fixedly connected with the box body, and the through hole is formed in the cover plate.

The bottom surface of the box body is provided with a positioning column, and the circuit board is provided with a positioning hole matched with the positioning column.

Wherein the housing comprises:

the box body with one end open is arranged in the box body, and the side wall of the box body adjacent to the opening is provided with a through hole communicated with the opening.

Another object of the utility model is to provide a speech structure, the circuit board is fixed firm, non-deformable, and the microphone is not fragile.

a display device comprises the voice structure.

Has the advantages that: the utility model provides a speech structure and display device. In the voice structure, the circuit board can be fixedly propped in the shell by arranging the elastic supporting piece, so that the fixing effect is good; the elastic supporting piece can adjust the pressure on the circuit board, so that the circuit board is prevented from deforming due to overlarge pressure; the voice module on the circuit board extends into the through hole, and the shell is prevented from influencing the work of the voice module.

Drawings

Fig. 1 is a front view of a voice structure provided in an embodiment of the present invention;

fig. 2 is a side view of a voice structure provided in an embodiment of the present invention;

fig. 3 is a perspective view of a voice structure according to a first embodiment of the present invention;

fig. 4 is a front view of a spring plate according to a first embodiment of the present invention;

FIG. 5 is a sectional view taken along line A-A of FIG. 1;

fig. 6 is an exploded view of a speech structure according to the second embodiment of the present invention.

Wherein:

11. a box body; 111. a through hole; 112. mounting a column; 12. a cover plate; 2. a circuit board; 21. a voice module; 3. a spring plate; 31. welding feet; 32. a resilient arm; 4. a buffer layer.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that 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 of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; 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.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example one

The embodiment provides a display device, which can be an electronic device with a display function, such as a television, a display, an advertising machine and the like. In this embodiment, a television is taken as an example for description.

The television comprises a body and a voice structure. The body comprises a display module and a shell, and the display module is fixed with the shell and used as an image display carrier. The voice structure has the functions of voice playing and voice recognition. In this embodiment, the voice module may have far-field voice as a voice control command entry for human-computer interaction.

As shown in fig. 1, the voice structure includes a housing and a circuit board 2. Be provided with in the shell and hold the chamber, circuit board 2 is fixed in and holds the intracavity. Through setting up the shell, can play the effect of protection circuit board 2, avoid circuit board 2 to damage.

As shown in fig. 2, the housing is provided with a through hole 111, and the front surface of the circuit board 2 is provided with a voice module 21. After the circuit board 2 is installed in the housing, the voice module 21 can extend into the through hole 111 to ensure that the voice module 21 can smoothly receive or make sound. In this embodiment, the voice module 21 includes a microphone, and can receive an external voice command.

Optionally, the voice module 21 may protrude from the surface of the housing where the through hole 111 is formed, which is beneficial to increase the receiving range of the microphone for the voice command and improve the recognition rate of the voice command.

In the prior art, the circuit board 2 is generally fixed by gluing, so that the fixing effect is not firm and the circuit board is easy to fall off; or the circuit board 2 is locked and fixed by the screw, the screw applies a large force to the circuit board 2 and is inconvenient to control, the circuit board 2 is easy to deform under the stress, and the microphone is further deformed, so that the microphone is damaged, and the voice recognition rate is seriously influenced.

To solve the above problem, as shown in fig. 2 and 3, the voice structure in this embodiment further includes an elastic supporting member, and the elastic supporting member is clamped between the inner wall of the accommodating cavity and the front surface of the circuit board 2. The elastic supporting pieces are respectively abutted against the inner wall of the accommodating cavity and the circuit board 2, so that the circuit board 2 can be fixed in the accommodating cavity, and the fixing effect is good; meanwhile, the elastic supporting piece can adjust the pressure on the circuit board 2 according to the elasticity of the elastic supporting piece, and the situation that the circuit board 2 is deformed due to overlarge stress is effectively avoided, so that the normal use of the microphone is ensured, and the voice recognition rate is improved.

In this embodiment, the elastic supporting member is the elastic sheet 3, which has a simple structure, low cost and convenient processing. In order to prevent the elastic sheet 3 from shaking in the accommodating cavity to affect the fixation of the circuit board 2 and the normal work of the elements thereon, the elastic sheet 3 can be fixed on the circuit board 2 by welding, and the fixation is convenient.

As shown in fig. 4, the elastic sheet 3 includes a solder leg 31 and an elastic arm 32, the solder leg 31 is used for being soldered and fixed with the circuit board 2, and the elastic arm 32 is connected with the solder leg 31 and used for abutting against the inner wall of the accommodating cavity. The fixing of the elastic sheet 3 and the circuit board 2 can be facilitated by arranging the welding feet 31.

In order to improve the elasticity of the elastic arm 32 and improve the fixing effect of the circuit board 2, the elastic arm 32 may be a polygonal structure bent for many times, and the polygonal structure provides more elastic deformation space for the elastic arm 32, which is beneficial to improving the fixing effect of the circuit board 2 and simultaneously buffers the pressure applied to the circuit board 2.

In this embodiment, the resilient arm 32 has four folds, and in other embodiments, the resilient arm 32 may have three, five or more folds.

In this embodiment, both ends of the elastic arm 32 are connected to the solder fillets 31. Through setting up two leg 31, can improve the fixed effect of shell fragment 3 and circuit board 2.

Optionally, the elastic sheets 3 are provided with a plurality of elastic sheets, so that stress points of the circuit board 2 can be increased, and the stress of the circuit board 2 is more uniform. The elastic sheet 3 can generate uniform pressure after being deformed after being pressed, thereby avoiding excessive extrusion caused by stroke errors and generating uniform pressure between the circuit board 2 and the shell.

In this embodiment, the number of the elastic pieces 3 is 8, 3 every two elastic pieces are in a group, 4 groups of elastic pieces 3 are evenly arranged on the circuit board 2 at intervals, and the stress of the circuit board 2 is more even.

Optionally, the elastic supporting member may be a supporting block made of elastic materials such as rubber, silica gel and the like, and is convenient to manufacture and low in cost.

As shown in fig. 5, the voice structure further includes a buffer layer 4, the buffer layer 4 is clamped between the inner wall of the accommodating cavity and the back surface of the circuit board 2, so that the pressure applied to the circuit board 2 can be further offset, and the deformation probability of the circuit board 2 is further reduced through the cooperation of the elastic supporting member and the buffer layer 4, thereby ensuring the voice recognition effect of the voice structure.

Alternatively, the cushioning layer 4 is made of rubber, foam or the like. The buffer layer 4 has a certain deformability, and can prevent the circuit board 2 from deforming. The elastic supporting piece is arranged on one side of the circuit board 2, the buffer layer 4 is arranged on the other side of the circuit board, the stability of the circuit board 2 in the accommodating cavity can be improved, and the fixing effect can be improved.

In order to avoid the position movement of the buffer layer 4, the buffer layer 4 can be connected to the back of the circuit board 2 through glue, and the fixing mode is simple. In this embodiment, the elastic supporting member, the circuit board 2 and the buffer layer 4 are fixed together and then are installed in the housing, thereby facilitating assembly.

As shown in fig. 3 and 5, the housing includes a box body 11 with an opening at one end, the circuit board 2, the elastic supporting member and the buffer layer 4 are all disposed in the box body 11, and a through hole 111 communicated with the opening is disposed on a side wall of the box body 11 adjacent to the opening. The shell of this structure for circuit board 2, elastic support piece and buffer layer 4 are fixed the back, can insert by the uncovered of box body 11 and hold the intracavity, and simple to operate has avoided the 2 backs of circuit board to have screw hole isotructure to influence installation scheduling problem.

In order to ensure that the circuit board 2, the elastic supporting piece and the buffer layer 4 smoothly enter the accommodating cavity after being fixed, the bent edge obliquely arranged in the elastic arm 32 of the elastic sheet 3 plays a role in guiding assembly. The circuit board 2 and the buffer layer 4 are pressed to the inner wall of the accommodating cavity through the deformation of the elastic sheet 3 in the loading process, the elastic direction of the elastic sheet 3 is perpendicular to the assembling direction, the fixing effect is reliable, and the circuit board 2 and the like are prevented from being separated from the accommodating cavity.

Example two

Referring to fig. 6, the present embodiment provides a display device, which is different from the first embodiment in that the housing includes a box 11 with an open end and a cover 12, the circuit board 2 and the elastic supporting member are disposed in the box 11, the cover 12 is fixedly connected to the box 11, and the through hole 111 is disposed on the cover 12.

In this embodiment, the circuit board 2, the elastic supporting member and the buffer layer 4 are fixed and then loaded into the box body 11 through the opening, and then the cover plate 12 is assembled to fix the cover plate 12 and the box body 11, so that the cover plate 12 compresses the elastic sheet 3 to further compress the circuit board 2. The assembly mode is suitable for a structure that a decorative strip with a speaker mesh is arranged on the front side of a television.

In this embodiment, the cover plate 12 and the box body 11 can be fixed by screws, and the structure is simple and the fixation is reliable. Specifically, a mounting column 112 is arranged in the box body 11, a threaded hole is formed in the mounting column 112, a connecting hole is correspondingly formed in the cover plate 12, and a screw penetrates through the connecting hole and then is screwed with the threaded hole.

In order to further improve the fixing effect of the circuit board 2, the bottom surface of the box body 11 is provided with a positioning column, and the circuit board 2 and the buffer layer 4 are provided with positioning holes matched with the positioning column. The fixing effect of the shell, the circuit board 2 and the buffer layer 4 can be improved through the matching of the positioning columns and the positioning holes.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A speech structure, comprising:

the device comprises a shell, wherein an accommodating cavity is formed in the shell, and a through hole (111) is formed in the shell;

the circuit board (2) is arranged in the accommodating cavity, a voice module (21) is arranged on the front surface of the circuit board (2), and the voice module (21) extends into the through hole (111); and

the elastic supporting piece is clamped between the inner wall of the accommodating cavity and the front face of the circuit board (2).

2. The speech structure according to claim 1, wherein the resilient support is a spring plate (3), and the spring plate (3) is soldered and fixed to the front surface of the circuit board (2).

3. The speech structure according to claim 2, characterized in that the spring plate (3) comprises a solder leg (31) and an elastic arm (32) connected to the solder leg (31), the solder leg (31) is soldered to the circuit board (2), and the elastic arm (32) abuts against the inner wall of the accommodating cavity.

4. Speech structure according to claim 3, characterised in that said resilient arm (32) is a multi-sided structure with multiple bends, said legs (31) being connected to both ends of said resilient arm (32).

5. The speech structure of any one of claims 1-4, wherein the speech structure further comprises:

the buffer layer (4), the buffer layer (4) centre gripping is in hold between the inner wall of chamber and the back of circuit board (2).

6. Speech structure according to claim 5, characterised in that the damping layer (4) is made of rubber, foam or foam.

7. The speech structure of any one of claims 1-4, wherein the housing comprises:

the box body (11) with one open end, the circuit board (2) and the elastic supporting piece are arranged in the box body (11); and

the cover plate (12), the cover plate (12) with box body (11) fixed connection, through-hole (111) set up in on the cover plate (12).

8. The voice structure according to claim 7, wherein a positioning column is disposed on the bottom surface of the box body (11), and a positioning hole matched with the positioning column is disposed on the circuit board (2).

9. The speech structure of any one of claims 1-4, wherein the housing comprises:

open box body (11) of one end, circuit board (2) with elastic support member set up in box body (11), box body (11) with be provided with on the uncovered adjacent one side lateral wall with uncovered intercommunication through-hole (111).

10. A display device comprising a speech structure according to any one of claims 1-9.