CN209897269U - Speaker mechanism and speaker device - Google Patents

Abstract

The utility model discloses a mechanism and speaker raise one's voice relates to acoustics technical field. This mechanism of raising one's voice includes casing subassembly, speaker and the public address body, and casing subassembly is the platykurtic, and its inside sound chamber that is equipped with, and casing subassembly rather than thickness direction syntropy on the side set up the hole of raising one's voice with the sound chamber intercommunication, speaker and public address body all set up in the sound chamber, and the face of raising one's voice of speaker sets up along casing subassembly's extending direction, the public address body has first public address face, first public address face is relative with the face of raising one's voice, and just is partial to the hole setting of raising one's voice. The loudspeaker mechanism and the loudspeaker device have the characteristics of capability of playing better acoustic performance under the condition of smaller box volume and lower cost.

Description

Speaker mechanism and speaker device

Technical Field

The utility model relates to an acoustics technical field particularly, relates to a mechanism and speaker raise one's voice.

Background

Along with the development of society, people put forward higher requirements on excellent and fast life quality, and the requirements on the appearance of products used daily are higher and higher, such as attractiveness, color matching, compactness and the like.

However, the small appearance brings great challenges to audio products, as the body is thinner and thinner, the sound outlet area and the volume of the box body of the audio products are greatly reduced, the existing partial products have to adopt a side sound outlet mode, the overall acoustic performance expression of the existing partial products is influenced due to limited structure, the acoustic performance of the existing partial products can only be improved by improving the performance of the loudspeaker, and the cost of the existing partial products is higher.

In view of the above, it is important to develop a speaker mechanism and a speaker device that can solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanism of raising one's voice, this mechanism of raising one's voice can exert better acoustic performance under less box volume condition, and it still has the lower characteristics of cost.

Another object of the present invention is to provide a speaker device, which has the features of being able to exert better acoustic performance under the condition of smaller box volume and having lower cost.

The utility model provides a technical scheme:

in a first aspect, an embodiment of the present invention provides a speaker mechanism, which includes a housing assembly, a speaker, and a speaker body; the shell assembly is flat, a sound cavity is formed in the shell assembly, and a sound outlet communicated with the sound cavity is formed in the side surface of the shell assembly, which is in the same direction as the thickness direction of the shell assembly; the speaker with the public address body all set up in the sound cavity, just the face of raising the voice of speaker is followed the extending direction of casing subassembly sets up, the public address body has first public address face, first public address face with the face of raising the voice is relative, and is partial to the sound outlet hole sets up.

With reference to the first aspect, in a first implementation manner of the first aspect, the sound amplifying body is a cone, a top of the sound amplifying body is disposed toward the sound amplifying surface, a part of the sound amplifying body is deviated to a side surface of the sound outlet, the first sound amplifying surface is the first sound amplifying surface, and a remaining part of the side surface is the second sound amplifying surface.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in a second implementation manner of the first aspect, a top of the sound amplifying body corresponds to a driving voice coil of the speaker.

With reference to the first aspect and the foregoing implementation manner, in a third implementation manner of the first aspect, a projection of a top end surface of the sound amplifying body on the speaker surface is within a projection range of the driving voice coil on the speaker surface.

With reference to the first aspect and the foregoing implementation manner, in a fourth implementation manner of the first aspect, a third sound amplifying surface is disposed on a side, close to the sound outlet, of the first sound amplifying surface, the third sound amplifying surface is smoothly connected with the first sound amplifying surface, and the third sound amplifying surface is recessed.

With reference to the first aspect and the foregoing implementation manner, in a fifth implementation manner of the first aspect, a phase block is further convexly disposed on an inner wall of the sound cavity, and the phase block is opposite to the sound outlet, located between the sound outlet and the sound amplifying body, and extends along an opening direction of the sound outlet.

With reference to the first aspect and the foregoing implementation manner, in a sixth implementation manner of the first aspect, the phase blocks are multiple and are arranged in parallel and protruding on the inner wall of the sound cavity.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in a seventh implementation manner of the first aspect, a cross section of the phase block decreases gradually from one end of the phase block close to the sound outlet to the other end of the phase block.

With reference to the first aspect and the foregoing implementation manner, in an eighth implementation manner of the first aspect, the loud-speaking mechanism further includes a sound absorption band, and the sound absorption band is disposed along the inner wall of the sound cavity and extends along the edge of the loud-speaking surface.

In a second aspect, an embodiment of the present invention provides a speaker device, including the speaker mechanism. The loudspeaker mechanism comprises a shell component, a loudspeaker and a loudspeaker body; the shell assembly is flat, a sound cavity is formed in the shell assembly, and a sound outlet communicated with the sound cavity is formed in the side surface of the shell assembly, which is in the same direction as the thickness direction of the shell assembly; the speaker with the public address body all set up in the sound cavity, just the face of raising the voice of speaker is followed the extending direction of casing subassembly sets up, the public address body has first public address face, first public address face with the face of raising the voice is relative, and is partial to the sound outlet hole sets up.

Compared with the prior art, the embodiment of the utility model provides a loudspeaker mechanism and speaker are for prior art's beneficial effect:

this casing subassembly is the platykurtic, and, be equipped with the sound chamber in casing subassembly's inside, in addition, still set up the phonate hole with the sound chamber intercommunication on casing subassembly's the side rather than the thickness direction syntropy, and phonate hole and sound chamber intercommunication, and speaker and public address body all set up in the sound chamber, and, the extension direction setting of the face of raising the voice of speaker along casing subassembly has first public address face on the public address body, and this first public address face is relative with the face of raising the voice, and be partial to the setting of phonate hole, in other words, one side that this first public address face is close to the phonate hole is less than its one side of keeping away from the phonate hole, its inclined plane for being partial to the phonate hole. Therefore, sound waves emitted by the loudspeaker face are reflected towards the sound outlet holes in time through the first sound amplifying face deviated to the sound outlet holes, the reflection times of the sound waves in the sound cavity are reduced, the time difference is shortened, the standing wave phenomenon is weakened, and the acoustic performance of the loudspeaker is improved.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of a speaker mechanism applied to a speaker device according to an embodiment of the present invention.

Fig. 2 is a schematic sectional structure diagram of a speaker mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a lower housing of a housing assembly of a speaker mechanism according to an embodiment of the present invention.

Icon: 100-a loudspeaker device; 20-a circuit board; 10-a loudspeaker mechanism; 12-a housing assembly; 121-a sound cavity; 122-sound outlet; 123-phase block; 124-a first housing; 125-a second housing; 15-a loudspeaker; 151-loudspeaking surface; 17-a sound amplification body; 171-a first sound amplification surface; 172-a second sound amplification face; 173-third sound amplification surface; 19-Sound absorbing band.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "upper", "lower", "inner", "outer", "left", "right", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally used to place the products of the present invention, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes in detail embodiments of the present invention with reference to the accompanying drawings.

Example (b):

referring to fig. 1, fig. 1 is a schematic structural diagram of a speaker mechanism 10 applied to a speaker device 100 according to an embodiment of the present invention.

An embodiment of the present invention provides a speaker mechanism 10, and this speaker mechanism 10 can exert better acoustic performance under the less box volume condition, and it still has the lower characteristics of cost. The speaker mechanism 10 can be applied to a speaker device 100, a player such as an audio device or a mobile phone, and the speaker mechanism 10 can be used independently.

In the case where the speaker mechanism 10 is applied to the speaker device 100, the speaker device 100 includes the speaker mechanism 10, and the speaker mechanism 10 emits sound, but of course, the speaker device 100 may further include a circuit board 20, the circuit board 20 is installed in the speaker mechanism 10 and electrically connected to the speaker mechanism 10, and an amplifier, a microprocessor, and the like are provided on the circuit board 20 to control the speaker mechanism 10 to emit sound.

Because loudspeaker device 100 has adopted the embodiment of the present invention provides loudspeaker mechanism 10, loudspeaker device 100 also has the characteristics of being able to exert better acoustic performance under the condition of smaller box volume and having lower cost.

The structural composition, the operation principle and the advantageous effects of the speaker mechanism 10 according to the embodiment of the present invention will be described in detail below.

Referring to fig. 2, fig. 2 is a schematic cross-sectional structure diagram of a speaker mechanism 10 according to an embodiment of the present invention.

This loudspeaker mechanism 10 includes casing subassembly 12, speaker 15 and public address body 17, and circuit board 20 installs inside casing subassembly 12, and is connected with speaker 15 electricity, and public address body 17 is used for cooperating with speaker 15 to improve the effect of making a sound of speaker 15, make speaker 15 can exert better acoustic performance in the casing subassembly 12 that can be less internal volume.

Specifically, the housing component 12 is flat, in other words, the housing component 12 is wide, flat and thin, or the thickness of the housing component 12 is one half or less of the width or length, the sound cavity 121 is provided inside the housing component 12, in addition, the side surface of the housing component 12 in the same direction as the thickness direction is further provided with the sound outlet 122 communicated with the sound cavity 121, in other words, when the flat housing component 12 is laid down, the narrow side surface of the periphery thereof is provided with the sound outlet 122, the sound outlet 122 is communicated with the sound cavity 121, the speaker 15 and the speaker 17 are both provided in the sound cavity 121, and the speaker surface 151 of the speaker 15 is provided along the extending direction of the housing component 12, in other words, the speaker surface 151 of the speaker 15 is provided toward the wide side surface of the housing component 12, when the housing component 12 is laid down, the lying surface 151 of the speaker 15 is directed downward or toward the direction, the speaker 17 has a first sound-emitting surface 171, and the first sound-emitting surface 171 is disposed opposite to the sound-emitting surface 151 and is biased toward the sound-emitting hole 122, in other words, a side of the first sound-emitting surface 171 close to the sound-emitting hole 122 is lower than a side thereof far from the sound-emitting hole 122, and is an inclined surface biased toward the sound-emitting hole 122.

Thus, the sound wave emitted from the speaker surface 151 is reflected to the sound outlet 122 in time by the first sound emitting surface 171 deflected to the sound outlet 122, thereby reducing the number of times the sound wave is reflected in the sound cavity 121, shortening the time difference, weakening the standing wave phenomenon, and further improving the acoustic performance thereof, and in addition, the speaker 15 is provided along the extending direction of the housing assembly 12, the speaker surface 151 of the speaker 15 can be made large, the cost of the speaker 15 with the same performance is lower, and the cost of the speaker 15 installed laterally is higher because the installation space is limited.

It should be noted that, in the present embodiment, the sound outlet holes 122 are a plurality of mesh holes and are arranged in parallel to enhance the sound outlet effect.

With reference to fig. 2, the speaker 17 is a cone, the top of the speaker 17 is disposed toward the speaker surface 151, the first speaker surface 171 is a side of the speaker 17 that is biased toward the sound outlet 122, and the side of the remaining portion of the speaker 17 is the second speaker surface 172, by disposing the speaker 17 in a cone shape, the first speaker surface 171 and the second speaker surface 172 that are oriented toward the speaker surface 151 and have a certain angle are provided in the narrower sound cavity 121, in other words, the face opposite to the speaker surface 151 is a surface having a certain angle, so as to reduce the reflection time of the sound wave transmitted to the sound outlet 122 in the narrower space, and further improve the small space adaptability of the speaker mechanism 10.

Further, the top of the speaker 17 corresponds to a driving voice coil (not shown) of the speaker 15, so that the sound waves generated near the driving voice coil of the speaker 15 can be reflected by the first sound amplifying surface 171 and the second sound amplifying surface 172 in time, and the acoustic performance of the speaker 15 is further improved.

Further, the projection of the top end surface of the speaker 17 on the speaker surface 151 is within the projection range of the driving voice coil on the speaker surface 151, in other words, the top end surface of the speaker 17 is smaller than the aperture of the driving voice coil, so as to ensure that the sound wave generated near the driving voice coil of the speaker 15 can be reflected by the first speaker surface 171 and the second speaker surface 172 in time, and further improve the acoustic performance of the speaker 15.

Further, a third sound amplifying surface 173 is disposed on a side of the first sound amplifying surface 171 close to the sound outlet 122, the third sound amplifying surface 173 is smoothly connected to the first sound amplifying surface 171, and the third sound amplifying surface 173 is recessed, in other words, the third sound amplifying surface 173 is an inclined surface, since the space is limited, in order to ensure the angle of the first sound amplifying surface 171, the side surface area of the sound amplifying body 17 is limited, in order to ensure that the surface opposite to the sound amplifying surface 151 has a slope as much as possible, the third sound amplifying surface 173 with an upturned edge is disposed, so that the sound wave at the edge of the sound amplifying surface 151 is laterally reflected, and the sound wave is emitted from the sound outlet 122 in time.

In this embodiment, the third sound-amplifying surface 173 is a circle disposed around the bottom edge of the sound-amplifying body 17, and may be a surface on a component integrally formed with the sound-amplifying body 17 or a surface on a component separate from the sound-amplifying body 17.

Referring to fig. 2 and 3, fig. 3 is a schematic structural diagram of a lower housing of the housing assembly 12 of the speaker mechanism 10 according to the embodiment of the present invention.

The housing assembly 12 may include a first housing 124 and a second housing 125, the first housing 124 and the second housing 125 are connected and enclose a sound cavity 121, the sound outlet 122 is opened on the edge of the first housing 124 and/or the second housing 125, the speaker 15 is mounted on the first housing 124, and the speaker 17 is mounted on the second housing 125.

The sound-absorbing band 19 may be disposed along the inner wall of the sound cavity 121 and extend along the edge of the speaker surface 151, or the sound-absorbing band 19 is disposed around the edge of the speaker 15 and encloses a ring with a gap opposite to the sound outlet 122 to prevent sound focusing.

In the present embodiment, the sound absorbing band 19 is a sponge, but in other embodiments, the sound absorbing band 19 may be made of other flexible materials having low density and small holes.

Furthermore, a phase block 123 may be convexly disposed on the inner wall of the sound cavity 121, where the phase block 123 is opposite to the sound outlet 122, is located between the sound outlet 122 and the sound amplifying body 17, and extends along the opening direction of the sound outlet 122, so that when the sound wave is transmitted to the vicinity of the sound outlet 122, the sound wave is reflected out of the sound cavity 121 in time due to the reflection effect of the phase block 123 disposed along the opening direction of the sound outlet 122, thereby preventing the sound wave from being reflected multiple times near the sound outlet 122 and reducing the standing wave phenomenon. The product bandwidth is improved, the sensitivity is improved, and the acoustic effect is improved.

It should be noted that, in the present embodiment, the phase block 123 is protruded from the second housing 125, and in other embodiments, the phase block 123 may also be protruded from the first housing 124 or both the first housing 124 and the second housing 125.

Furthermore, the phase block 123 may be provided in plurality, and the plurality of phase blocks 123 are arranged in parallel and protruded on the inner wall of the sound cavity 121, so as to further improve the reflection effect of the phase blocks 123.

In addition, in the present embodiment, the phase block 123 is a rectangular parallelepiped, but in other embodiments, the phase block 123 may also be: the cross section of the sound cavity decreases gradually from one end to the other end of the sound outlet 122, such as a cone, to further reflect the sound wave out of the sound cavity 121 quickly.

The embodiment of the present invention provides a working principle of the speaker mechanism 10:

the housing component 12 is flat, in other words, the housing component 12 is wide, flat and thin, or the thickness of the housing component 12 is one half or less of the width or length, and the sound cavity 121 is provided inside the housing component 12, and in addition, a sound outlet 122 communicating with the sound cavity 121 is further provided on the side surface of the housing component 12 that is in the same direction as the thickness direction, in other words, when the flat housing component 12 is laid down, the sound outlet 122 is provided on the narrow side surface of the periphery thereof, and the sound outlet 122 communicates with the sound cavity 121, and the speaker 15 and the sound amplifying body 17 are both provided in the sound cavity 121, and the sound emitting surface 151 of the speaker 15 is provided along the extending direction of the housing component 12, in other words, the sound emitting surface 151 of the speaker 15 is provided toward the wide side surface of the housing component 12, and when the housing component 12 is laid down, the sound emitting surface 151 of the speaker 15 faces downward or toward the direction, the speaker 17 has a first sound-emitting surface 171, and the first sound-emitting surface 171 is disposed opposite to the sound-emitting surface 151 and is biased toward the sound-emitting hole 122, in other words, a side of the first sound-emitting surface 171 close to the sound-emitting hole 122 is lower than a side thereof far from the sound-emitting hole 122, and is an inclined surface biased toward the sound-emitting hole 122. Thus, the sound wave emitted from the speaker surface 151 is reflected to the sound outlet 122 in time by the first sound emitting surface 171 deflected to the sound outlet 122, thereby reducing the number of times the sound wave is reflected in the sound cavity 121, shortening the time difference, weakening the standing wave phenomenon, and further improving the acoustic performance thereof, and in addition, the speaker 15 is provided along the extending direction of the housing assembly 12, the speaker surface 151 of the speaker 15 can be made large, the cost of the speaker 15 with the same performance is lower, and the cost of the speaker 15 installed laterally is higher because the installation space is limited.

In summary, the following steps:

an embodiment of the present invention provides a speaker mechanism 10, and this speaker mechanism 10 can exert better acoustic performance under the less box volume condition, and it still has the lower characteristics of cost.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that the features in the above embodiments may be combined with each other without conflict, and various modifications and variations of the present invention are possible. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The present embodiments are to be considered as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A loudspeaker mechanism is characterized by comprising a shell component, a loudspeaker and a sound amplifying body;

the shell assembly is flat, a sound cavity is formed in the shell assembly, and a sound outlet communicated with the sound cavity is formed in the side surface of the shell assembly, which is in the same direction as the thickness direction of the shell assembly;

the speaker with the public address body all set up in the sound cavity, just the face of raising the voice of speaker is followed the extending direction of casing subassembly sets up, the public address body has first public address face, first public address face with the face of raising the voice is relative, and is partial to the sound outlet hole sets up.

2. The speaker mechanism as claimed in claim 1, wherein the speaker body is a cone, and the top of the speaker body is disposed toward the speaker surface, and a portion of the speaker body that is biased toward the sound outlet is the first speaker surface, and the remaining portion of the speaker body is the second speaker surface.

3. The loudspeaker mechanism of claim 2 wherein the top of the speaker housing corresponds to a drive voice coil of the loudspeaker.

4. The loudspeaker mechanism of claim 3 wherein the projection of the top end surface of the loudspeaker body onto the loudspeaker surface is within the projection range of the driving voice coil onto the loudspeaker surface.

5. The loud speaker mechanism of claim 1 wherein a third loud speaker surface is disposed on a side of the first loud speaker surface close to the sound outlet, the third loud speaker surface is smoothly connected to the first loud speaker surface, and the third loud speaker surface is recessed.

6. The acoustic speaker mechanism as claimed in claim 1, wherein a phase block is further protruded on an inner wall of said acoustic chamber, said phase block being opposite to said sound outlet hole, being located between said sound outlet hole and said speaker, and extending along an opening direction of said sound outlet hole.

7. The acoustic speaker mechanism of claim 6 wherein said phase block is plural and is disposed in parallel to protrude from the inner wall of said acoustic chamber.

8. The acoustic speaker mechanism of claim 6 wherein said phase block tapers in cross-section from one end to the other end proximate said sound outlet aperture.

9. The acoustic speaker mechanism of claim 1 further comprising a sound absorbing strip disposed along said interior wall of said acoustic cavity and extending along an edge of said acoustic speaker face.

10. An acoustic speaker apparatus comprising the acoustic speaker mechanism according to any one of claims 1 to 9.

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