CN211880609U - Sound cavity structure of intelligent terminal - Google Patents

Abstract

The application discloses intelligent terminal's sound chamber structure, including casing assembly, preceding sound chamber, bottom plate down, be equipped with the back sound chamber down in the casing assembly, the back sound chamber is equipped with the cavity that holds preceding sound chamber, preceding sound chamber with the back sound chamber is connected, preceding sound intracavity is equipped with the cavity that holds the piezoceramics piece, be equipped with out the sound mouth in the cavity, the position that the bottom plate corresponds out the sound mouth is equipped with the arch. The main air current when sounding the speaker is sealed in the back sound cavity, so that the sound emitted by the terminal equipment is clearer, and the sound quality of the terminal equipment can be effectively improved. The bottom plate position that corresponds at the sound outlet is equipped with the arch, can play the effect of a buffering to sound, reduces the reflection echo of sound, improves the sound quality to promote user experience.

Description

Sound cavity structure of intelligent terminal

Technical Field

The application relates to the technical field of electronic products, in particular to an intelligent terminal device.

Background

With the advancement of technology, terminal devices are becoming thinner, so that the terminal devices are smaller. The inventor finds that the sound emitted by the loudspeaker can be emitted into the shell of the terminal equipment, so that the quality of the sound emitted by the terminal equipment is poor, and the user experience is poor.

Patent application cn201822157009.x discloses an audio output module, which comprises a loudspeaker and a sound cavity structure, wherein the sound cavity structure comprises an independent sound cavity, and the loudspeaker is arranged in the independent sound cavity; the audio output module further comprises a sound guide cavity and a sound outlet, the sound outlet is communicated with the outside, and the sound guide cavity is communicated with the independent sound cavity and the sound outlet respectively. The utility model also discloses a head-wearing intelligent terminal, which comprises a left ear fixing structure, a right ear fixing structure and the audio output module; the audio output module includes two speakers located in the left ear and right ear fixing structures, respectively. The utility model provides an audio output module arranges the speaker in independent sound chamber, and the structure setting in its independent sound chamber has strengthened the bass effect, but this structure accounts for the volume, is not suitable for the less intelligent terminal of volume.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides an intelligent terminal's sound chamber structure to sound chamber structure volume is great in solving the correlation technique, and occupation space is big, the relatively poor problem of sound quality.

In order to achieve the above object, the present application provides a sound cavity structure of an intelligent terminal, including: inferior casing subassembly, preceding sound chamber, bottom plate, be equipped with the back sound chamber in the casing subassembly down, the back sound chamber is equipped with the cavity that holds preceding sound chamber, preceding sound chamber with back sound chamber is connected, preceding sound intracavity is equipped with the cavity that holds the piezoceramics piece, be equipped with out the sound mouth in the cavity, the position that the bottom plate corresponds out the sound mouth is equipped with the arch.

Preferably, the protrusion has an arc shape in which a cross-sectional area gradually decreases from the bottom plate toward the upper side.

Preferably, the protrusion is conical. The conical bulge can play the effect of buffering backward flow to the air current that the sound outlet came out, makes the air current that the sound outlet came out not directly dash to bottom plate and reflection, but through bellied cambered surface buffering for the sound that sends is more clear loud.

Preferably, the lower surface of the front sound cavity is provided with an outer wall and an inner wall, a gap is formed between the outer wall and the inner wall, the outer wall is higher than the inner wall, and the outer wall and the inner wall play a role in sealing main air flow generated when the loudspeaker generates sound in the rear sound cavity.

Preferably, a ring sealing ring is arranged at the joint of the outer wall and the rear sound cavity. On the one hand, the waterproof function can be achieved, and on the other hand, the main air flow is sealed in the rear sound cavity.

Preferably, a circle of sound guide wall is arranged outside the sound outlet, and the sound guide wall is in a horn shape.

Preferably, the front sound cavity is provided with connecting columns extending downwards around, the rear sound cavity is provided with screw holes around correspondingly, and the front sound cavity is connected with the rear sound cavity through screws. The spliced pole plays the effect of threading screw on the one hand, and on the other hand also can play the positioning action.

Preferably, the diameter of the piezoelectric ceramic plate is 50-55 mm.

The utility model has the advantages that: because terminal equipment includes casing assembly, casing assembly and bottom plate down, produces a back sound chamber in casing assembly down for the back sound chamber becomes casing assembly's a part down, can reduce the volume, and preceding sound chamber sets up in the back sound intracavity, and the bottom plate is established to the arch, seals the main air current when the speaker sound production in the back sound intracavity, makes the sound that terminal equipment sent more clear, therefore can effectively improve terminal equipment's sound quality. The bottom plate position that corresponds at the sound outlet is equipped with the arch, can play the effect of a buffering to sound, reduces the reflection echo of sound, improves the sound quality to promote user experience.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic structural diagram of a sound cavity structure of an intelligent terminal according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a bottom plate of an audio cavity structure of an intelligent terminal according to an embodiment of the present application;

fig. 3 is a schematic front sound cavity structure diagram of a sound cavity structure of an intelligent terminal according to an embodiment of the present application.

13-lower housing component, 1301-concave cavity, 1303-screw hole, 20-front sound cavity, 21-piezoelectric ceramic piece, 201-connecting column, 202-sound outlet, 203-sound guide wall, 204-outer wall, 205-inner wall, 15-bottom plate and 27-bulge.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to fig. 3, the utility model provides an intelligent terminal's sound cavity structure, include: casing subassembly 12, preceding sound chamber 20, bottom plate 15 down, be equipped with back sound chamber in the casing subassembly 13 down, back sound chamber is equipped with the cavity 1301 that holds preceding sound chamber, preceding sound chamber 20 with back sound chamber is connected, be equipped with the cavity that holds piezoceramics piece 21 in the preceding sound chamber 20, be equipped with sound outlet 202 in the cavity, the position that bottom plate 15 corresponds sound outlet 202 is equipped with arch 27.

In this embodiment, the protrusion 27 has an arc shape in which the cross-sectional area gradually decreases from the bottom plate 15 toward the upper side.

In this embodiment, the protrusion 27 has a conical shape. The conical bulge can play the effect of buffering backward flow to the air current that the sound outlet came out, makes the air current that the sound outlet came out not directly dash to bottom plate and reflection, but through bellied cambered surface buffering for the sound that sends is more clear loud.

In this embodiment, the lower surface of the front sound cavity is provided with an outer wall 204 and an inner wall 205, a gap is provided between the outer wall 204 and the inner wall 205, the outer wall 204 is higher than the inner wall 205, and the outer wall and the inner wall play a role in sealing the main air flow when the speaker generates sound in the rear sound cavity.

In this embodiment, a sealing ring is disposed at a connection between the outer wall 204 and the rear sound cavity. On the one hand, the waterproof function can be achieved, and on the other hand, the main air flow is sealed in the rear sound cavity.

In this embodiment, a ring of sound guiding walls 203 are arranged outside the sound outlet 202, and the sound guiding walls 203 are in a horn shape.

In this embodiment, the periphery of the front sound cavity 20 is provided with a connecting column 201 extending downwards, the periphery corresponding to the rear sound cavity is provided with screw holes 1303, and the front sound cavity 20 is connected with the rear sound cavity through screws. The spliced pole plays the effect of threading screw on the one hand, and on the other hand also can play the positioning action.

In the embodiment, the diameter of the piezoceramic sheet 21 is 50-55 mm.

The sound cavity structure uses less materials and has simple structure, and the yield of products can be improved during production and manufacturing; the sound cavity structure can reduce the limitation of component layout, the sound cavity volume of the loudspeaker can be formed for use as long as the space is available, and meanwhile, the sound outlet forms a sound transmission channel through the sound guide wall, so that the piezoelectric ceramic plate vibrates. Terminal equipment includes casing subassembly, casing subassembly and bottom plate down, produces a back sound chamber in casing subassembly down for the back sound chamber becomes casing subassembly's a part down, can reduce the volume, and preceding sound chamber sets up in the back sound chamber, and it establishes at the bottom plate to go out the sound hole, seals the main air current in the back sound intracavity when the speaker sound production, makes the sound that terminal equipment sent more clear, therefore can effectively improve terminal equipment's sound quality. The bottom plate position that corresponds at the sound outlet is equipped with the arch, can play the effect of a buffering to sound, reduces the reflection echo of sound, improves the sound quality to promote user experience.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. The utility model provides an intelligent terminal's sound cavity structure, its characterized in that, includes casing assembly, preceding sound cavity, bottom plate down, be equipped with back sound cavity down in the casing assembly, back sound cavity is equipped with the cavity that holds preceding sound cavity, preceding sound cavity with back sound cavity is connected, preceding sound intracavity is equipped with the cavity that holds the piezoceramics piece, be equipped with out the sound mouth in the cavity, the position that the bottom plate corresponds out the sound mouth is equipped with the arch.

2. The sound cavity structure of an intelligent terminal as claimed in claim 1, wherein said protrusion is in the shape of an arc whose cross-sectional area gradually decreases from the bottom plate to the top.

3. The sound cavity structure of an intelligent terminal as claimed in claim 1, wherein the protrusion is conical.

4. The sound cavity structure of an intelligent terminal as claimed in claim 1, wherein the lower surface of the front sound cavity is provided with an outer wall and an inner wall, a gap is provided between the outer wall and the inner wall, and the outer wall is higher than the inner wall.

5. The sound cavity structure of an intelligent terminal as claimed in claim 4, wherein a sealing ring is disposed at a junction of the outer wall and the rear sound cavity.

6. The sound cavity structure of an intelligent terminal as claimed in claim 2, wherein a ring of sound guiding walls is arranged outside the sound outlet, and the sound guiding walls are in a shape of a horn.

7. The sound cavity structure of an intelligent terminal as claimed in claim 1, wherein the front sound cavity is provided with connecting posts extending downwards around the front sound cavity, the rear sound cavity is provided with screw holes around the rear sound cavity, and the front sound cavity is connected with the rear sound cavity through screws.

8. The sound cavity structure of an intelligent terminal as claimed in claim 1, wherein the diameter of the piezoceramics sheet is 50-55 mm.

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