CN212463448U

CN212463448U - Shell structure and audio-visual intercom equipment

Info

Publication number: CN212463448U
Application number: CN202020814646.4U
Authority: CN
Inventors: 杜珂; 张祺
Original assignee: Jinmao Green Building Technology Co Ltd
Current assignee: Jinmao Green Building Technology Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-02
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to an electronic product technical field, concretely relates to shell structure and audio-visual intercom equipment. The shell structure includes the main casing body and sets up the frame in the main casing body outside, at least one sound chamber has in the frame, the installation department of installation speaker has on the chamber wall in sound chamber, still be equipped with on the frame with the phonate hole of sound chamber intercommunication, through with the speaker with the sound chamber sets up on the frame, does not occupy main casing body space to reduce the structural complexity in the main casing, and because the volume of speaker is great, thereby saved the thickness of the main casing body again, and then saved shell structure's thickness, and more pleasing to the eye, simultaneously, the sound that the speaker sent directly enters into in the sound chamber, and pass through the sound chamber is transmitted away, and sound emission is little, and the vocal effect is better.

Description

Shell structure and audio-visual intercom equipment

Technical Field

The utility model relates to an electronic product technical field, concretely relates to shell structure and audio-visual intercom equipment.

Background

At present, more and more electronic devices are required to have audio playing function, such as audio-visual intercom. In the audio-visual intercom equipment in the prior art, the loudspeaker is generally arranged on the front panel or the rear shell, and the integral appearance effect is influenced by arranging the loudspeaker on the front panel, so that the appearance is not beautiful enough; the speaker is installed and again influences the conduction of sound on the backshell, and need set up the special design sound channel usually, and the sound that the speaker sent is conducted to sound exit through the sound channel, has certain loss for the vocal effect of this kind of mode is not good.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the not enough pleasing to the eye of current product, takes place the not good problem of effect, provides enough pleasing to the eye, takes place effectual shell structure and seeing and hearing intercom equipment.

In order to solve the problem, the utility model provides a shell structure, be in including the main casing body and setting the frame in the main casing body outside, at least one vocal cavity has in the frame, the installation department of installation speaker has on the chamber wall in vocal cavity, still be equipped with on the frame with the phonate hole of vocal cavity intercommunication.

The frame is at least located at the bottom of the main shell, the sound outlet is formed in the frame at the bottom, and the sound outlet is arranged downwards.

The two sound cavities are symmetrically arranged on the frame.

And a diffuse reflection structure is further arranged on the cavity wall of the sound cavity and is positioned on the opposite side of the mounting part.

Wherein, the diffuse reflection structure is a concave-convex structure.

Wherein, diffuse reflection configuration with the installation department is on a parallel with the direction of setting of main casing.

Wherein, the frame with the sound chamber integrated into one piece sets up.

Wherein, the frame is of a metal structure.

The shell structure further comprises a back plate, the direction of the frame is towards one side of the back plate, the mounting portion is recessed in the frame, the loudspeaker is mounted at the mounting portion, and the back face of the loudspeaker is in contact with the back plate.

The utility model also provides an audio-visual intercom equipment includes foretell shell structure, install the speaker on the installation department.

The utility model discloses technical scheme, shell structure includes the main casing body and sets up the frame in the main casing body outside, at least one sound chamber has in the frame, the installation department of installation speaker has on the chamber wall in sound chamber, still be equipped with on the frame with the phonate hole of sound chamber intercommunication, through with the speaker with the sound chamber sets up on the frame, does not occupy main casing body space to reduce the structural complexity in the main casing, and because the volume of speaker is great, thereby saved the thickness of the main casing body again, and then saved shell structure's thickness, and more pleasing to the eye, simultaneously, the sound that the speaker sent directly enters into in the sound chamber, and pass through the sound chamber transmits away, and sound emitting is shone for a short time, and the vocal effect is better.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a housing structure of the present invention;

fig. 2 is a schematic structural view of the casing structure of the present invention, which is sectioned parallel to the main casing;

fig. 3 is a schematic structural view of the casing structure of the present invention, which is sectioned perpendicular to the main casing;

description of reference numerals:

1-a main housing; 2-a frame; 3-an acoustic cavity; 4-a mounting portion; 5-a sound outlet; 6-a concave-convex structure; 7-a back plate; 8-a first recess; 9-a second recess; 10-loudspeaker.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of 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.

The first embodiment is as follows:

the present embodiment provides a housing structure, which is suitable for electronic devices requiring an audio output function, such as audio-visual intercom devices, and is particularly suitable for thinner electronic devices because the housing structure in the present embodiment is thinner.

As shown in fig. 1 to 3, the housing structure includes a main housing 1, a bezel 2 disposed outside the main housing 1, and a back plate 7 disposed on the back of the main housing 1 and the bezel 2. The mounting mode of the shell structure is that the main shell 1 is fixedly connected with the frame 2, and then the back plate 7 is mounted.

The main housing 1 is a part for mounting the main structure of the electronic device, for example, the main board, the controller, and other structures are mounted in the main housing 1, and for the audiovisual electronic device, a display screen, and other structures are also mounted on the front surface of the main housing 1. When fragile structures such as a display screen are installed on the main casing body 1, the frame 2 can also play a role in protecting the display screen and supporting the main casing body 1. In this embodiment, as shown in fig. 1, the main housing 1 is a regular rectangular structure, and the frame 2 is a long structure. Of course, the shape of the main housing 1 may be other shapes, such as arc, sector, etc., and the frame 2 may be modified appropriately.

The frame 2 is disposed outside the main housing 1, and for a general electronic device, the frame 2 is disposed around the outer circumference of the main housing 1. Of course, for some electronic devices, such as the regular rectangular main housing 1, the frame 2 may be disposed on only one side, two sides or three sides of the main housing 1 according to requirements. In this embodiment, the bezel 2 is located at least at the bottom of the main housing 1. In order to make the appearance of the housing structure beautiful, after the main housing 1 and the frame 2 are connected, the corners of the housing structure are provided with rounded corners or smoothly transitioned oblique corners, etc., and the corners may be located at the main housing 1 or the frame 2. And the used structures of the corners can be the same or different, for example, the corners at the upper side of the shell structure use round corners, and the corners at the lower side of the shell structure use smoothly-transiting bevel angles.

Two sound cavities 3 are arranged in the frame 2, and the two sound cavities 3 are symmetrically arranged on the frame 2 at the bottom. The frame 2 is arranged at least at the bottom of the main casing 1, and the sound cavity 3 structure is arranged on the frame 2 at the bottom, so that non-display parts of electronic equipment, such as non-display screen parts, can be concentrated at the lower side of the main casing 1, and display screens for displaying and the like of the electronic equipment are arranged at the upper side of the main casing 1, and the visual effect is improved. And a trademark, a product model, etc. may be provided on the frame 2 located at the bottom. The frame 2 at the bottom is provided with the sound outlet 5, and the sound outlet 5 is communicated with the sound cavity 3 and the outside of the frame 2. The sound outlet 5 is arranged downwards, so that dust can be effectively reduced from entering the sound outlet 5 and the sound cavity 3.

The back plate 7 is disposed on the back surface of the main housing 1, and the mounting structure in this embodiment is that a first recessed portion 8 is disposed on the rim 2, and the main housing 1 is mounted at the first recessed portion 8, so that the front surfaces of the main housing 1 and the rim 2 are flat surfaces to increase the visual effect. A second recessed part 9 is also arranged on the back surface of the frame 2, the back plate 7 is arranged at the second recessed part 9, and when the frame 2 is arranged on the circumference of the main shell 1, the main shell 1 is arranged on the inner side of the back plate 7; when the frame 2 is not completely arranged in the circumferential direction of the main housing 1, the second recessed portion 9 may also be arranged on the main housing 1, and the back plate 7 is installed at the second recessed portion 9 of the main housing 1, so that the back surface of the housing structure is also processed in the same plane, which is convenient for the installation of the housing structure and makes the housing structure more beautiful. The back plate 7 also serves to fix and clamp the main housing 1 and the bezel 2. The first concave part 8 is attached to the main housing 1, and the second concave part 9 is attached to the back plate 7.

Frame 2's orientation one side of backplate 7 is provided with to frame 2 is sunken installation department 4, speaker 10 is installed installation department 4 department, the back of speaker 10 with backplate 7 contacts. The back surface of the speaker 10 may be in contact with the back plate 7, or may be in contact with only the back plate 7, and the back plate 7 may function to fix and restrict the speaker 10.

Still be provided with diffuse reflection structure on the chamber wall in sound chamber 3, diffuse reflection structure is located the offside of installation department 4, promptly, diffuse reflection structure with installation department 4 is on a parallel with main casing body 1 set up the direction and backplate 7 set up the direction. The sound that speaker 10 sent can increase the effect of sound after the diffuse reflection for the audio is better, effectively improves the vocal conduction efficiency. In this embodiment, the diffuse reflection structure is a concave-convex structure 6, the concave-convex structure is parallel to the arrangement direction of the frame 2, and the arrangement number, the distance, the depth and the like of the convex parts and the concave parts in the concave-convex structure 6 are set according to the use requirement. Of course, other configurations are possible that can increase the sound effect.

In this embodiment, the frame 2 and the acoustic cavity 3 are integrally formed, and a closed acoustic cavity 3 structure is formed by the frame 2 structure to increase the sound effect. In addition, other connecting structures are not needed, and the thickness of the shell structure can be correspondingly reduced.

In this embodiment, the frame 2 is made of a metal structure, and of course, other materials may be selected according to the use requirement.

As an alternative embodiment, a reinforcing structure for increasing the sound effect is arranged in the sound cavity 3, and the reinforcing structure can be arranged on the cavity wall of the sound cavity 3 or at the sound outlet 5.

As a changeable implementation mode, one sound cavity 3, three sound cavities 3 or four sound cavities 3 are arranged in the frame 2 at the bottom of the main housing 1, and the number of the sound cavities 3 is set according to the use requirement. When one sound cavity 3 is provided, the length of the sound cavity 3 can be set along the set length of the frame 2, and one, two or three mounting parts 4 are arranged in the sound cavity 3 according to the use requirement.

As shown in fig. 3, a diffuse reflection structure is disposed on the front side of the acoustic cavity 3, the speaker 10 is disposed on the rear side of the acoustic cavity 3, and the sound outlet 5 is disposed on the lower side of the acoustic cavity 3. In this embodiment, the reason why the speaker 10 is disposed at the rear side of the acoustic cavity 3 and disposed parallel to the main housing 1 is that, referring to fig. 3, since the thicknesses of the upper and lower sides of the speaker 10 are smaller than the lengths of the left and right sides, the thickness of the frame 2 can be reduced by the manner of disposing the speaker 10, and the thickness of the housing structure can be affected by the thicknesses of the upper and lower sides of the frame 2, so that the thickness of the housing structure can be reduced by the manner of disposing the speaker 10, the visual effect of the housing structure can be increased, and the speaker 10 is suitable for the trend that electronic products become thinner.

In this embodiment, through with speaker 10 with sound chamber 3 sets up on frame 2, does not occupy main casing body 1 space to reduce the structure complexity in the main casing body 1, and because speaker 10's volume is great, thereby saved main casing body 1's thickness again, and then saved shell structure's thickness, and more pleasing to the eye, simultaneously, the sound that speaker 10 sent directly enters into in the sound chamber 3, and pass through sound chamber 3 transmits away, and sound emitting is loose slightly, and the vocal effect is better.

Example two:

the audio-visual intercom apparatus in this embodiment includes the above-described housing structure, and the speaker 10 is mounted on the mounting portion 4 of the housing structure. The audition talkback equipment uses the closed structure acoustic cavity 3 with the frame 2 integrated, does not occupy the space of the main shell 1, thereby saving the appearance thickness of the audition talkback equipment, effectively reducing sound emission and aliasing, and having better sound effect.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a shell structure, is in including main casing body (1) and setting frame (2) in the main casing body (1) outside, its characterized in that, at least one sound chamber (3) have in frame (2), installation department (4) of installation speaker (10) have on the chamber wall in sound chamber (3), still be equipped with on frame (2) with sound hole (5) of sound chamber (3) intercommunication.

2. The housing structure according to claim 1, wherein said rim (2) is located at least at the bottom of said main housing (1), said sound outlet holes (5) being provided on said rim (2) at the bottom, said sound outlet holes (5) being arranged facing downwards.

3. The shell structure according to claim 2, characterized in that said acoustic chamber (3) has two, symmetrically arranged on said rim (2).

4. The housing structure according to claim 1, characterized in that the wall of the acoustic cavity (3) is further provided with a diffuse reflection structure, which is located at the opposite side of the mounting portion (4).

5. A housing structure according to claim 4, characterized in that the diffuse reflecting structure is a relief structure (6).

6. The housing structure according to claim 4 or 5, characterized in that the diffuse reflection structure and the mounting portion (4) are parallel to the arrangement direction of the main housing (1).

7. A housing structure according to claim 1, characterized in that the rim (2) and the acoustic cavity (3) are provided in one piece.

8. The shell structure according to claim 1, characterized in that said rim (2) is a metal structure.

9. The housing structure according to claim 1, characterized in that the housing structure further comprises a back plate (7), the side of the rim (2) facing the back plate (7) is provided with the mounting portion (4) recessed into the rim (2), the speaker (10) is mounted at the mounting portion (4), and the back surface of the speaker (10) is in contact with the back plate (7).

10. An audio-visual intercom set, characterized in that it comprises a housing structure as claimed in any one of claims 1 to 9, said mounting portion (4) having a loudspeaker (10) mounted thereon.