CN216057449U - Acoustic assembly and earphone - Google Patents

Abstract

The utility model provides an acoustic assembly and an earphone. The acoustic assembly comprises a front shell, a rear shell, an internal support and a plurality of sound generating elements, wherein the internal support is positioned in a containing space formed by the front shell and the rear shell; one end of the inner support is abutted against the front shell to form a plurality of independent cavities, the plurality of sound generating elements are arranged in the corresponding independent cavities respectively, and the corresponding independent cavities are divided into independent front cavities close to the front shell and independent rear cavities close to the inner support respectively. It is a plurality of independent cavity can realize a plurality of different frequency channels sound generating component is together worked, simultaneously, and is a plurality of independent back cavity can realize the difference sound generating component carries out solitary tuning, reduces different frequency channels sound generating component mutual interference.

Description

Acoustic assembly and earphone

Technical Field

The utility model relates to the field of acoustics, in particular to an acoustic assembly and an earphone.

Background

The prior art acoustic assemblies with multiple sound generating elements often share an acoustic back cavity, and then the sound is adjusted by adjusting the size of the acoustic back cavity or the amount of ventilation of the back cavity. The structure of the common acoustic back cavity is often different from one another in tuning for the acoustic assemblies of a plurality of sound generating elements, because different sound generating elements have different requirements on the acoustic space and air leakage amount of the back cavity, the balance is difficult to achieve, and the sound quality of sound output of the acoustic assemblies is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to overcome the deficiencies of the prior art and to provide an acoustic assembly.

The utility model provides the following technical scheme:

an acoustic assembly comprises a front shell, a rear shell, an internal support and a plurality of sound generating elements, wherein the internal support is positioned in a containing space formed by the front shell and the rear shell;

one end of the inner support is abutted against the front shell to form a plurality of independent cavities, the plurality of sound generating elements are arranged in the corresponding independent cavities respectively, and the corresponding independent cavities are divided into independent front cavities close to the front shell and independent rear cavities close to the inner support respectively.

As a further alternative to the acoustic assembly, the front housing is provided with a sound outlet and a plurality of mounting structures; the mounting structure is positioned at one end of the front shell close to the inner bracket and is used for mounting the sound generating element; the sound outlet is located the other end that the front shell is far away from the inner support, and a plurality of independent front cavities are communicated with the sound outlet.

As a further optional scheme for the acoustic assembly, the inner bracket is provided with a plurality of accommodating grooves with openings facing the direction of the sound-generating element, and the independent rear cavity is formed between the accommodating grooves and the sound-generating element.

As a further optional scheme for the acoustic assembly, a tuning structure is arranged at one end, far away from the sound generating element, of the independent rear cavity, and the tuning structure is used for tuning the corresponding sound generating element.

As a further optional scheme for the acoustic assembly, the tuning structure includes a tuning hole and a tuning mesh cloth, and the tuning mesh cloth covers the tuning hole.

As a further optional scheme for the acoustic assembly, the rear shell is provided with a decorative grid, and the decorative grid corresponds to the tuning mesh in position.

As a further optional solution to the acoustic assembly, the rear housing and the internal support are integrally formed into a second rear housing, and one end of the second rear housing abuts against the front housing to form the plurality of independent cavities.

As a further alternative to the acoustic assembly, the sound generating element is selected from a moving iron unit sound generating element and a moving coil unit sound generating element.

The utility model also provides an earphone comprising the acoustic assembly.

As a further alternative to the acoustic assembly, the front shell is provided with a detachable resilient ear plug at an end remote from the rear shell.

The embodiment of the utility model has the following advantages:

the acoustic subassembly is provided with a plurality ofly independent cavity, every independent cavity is including independent back chamber, and is a plurality of independent cavity can realize a plurality of different frequency channels sound generating component is together worked, and is a plurality of independent back chamber can realize the difference sound generating component carries out solitary tuning, reduces different frequency channels sound generating component mutual interference.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible and 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 needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 shows a schematic diagram of an exploded structure of an acoustic assembly according to a first embodiment of the present application;

fig. 2 shows a schematic cross-sectional view of an acoustic assembly according to a first embodiment of the present application;

fig. 3 shows a schematic cross-sectional view of the front shell in the second embodiment of the present application;

FIG. 4 is a schematic structural diagram of the inner support in the second embodiment of the present application;

fig. 5 shows a schematic cross-sectional view of an acoustic assembly according to a second embodiment of the present application;

fig. 6 shows a schematic cross-sectional view of an acoustic assembly according to a third embodiment of the present application;

fig. 7 shows a schematic cross-sectional view of an earphone according to a fourth embodiment of the present application.

Description of the main element symbols:

100-an acoustic assembly; 200-a headset; 10-a front shell; 20-a sound-emitting element; 30-an inner support; 40-a rear shell; 50-independent cavity; 60-a second rear housing; 70-a resilient earplug; 11-independent anterior chamber; 12-a mounting structure; 13-a sound outlet; 21-moving iron unit sounding element; 22-moving coil unit sound element; 31-independent rear chamber; 32-a tuning structure; 41-decorative mesh; 51-a first independent cavity; 52-second independent chamber.

Detailed Description

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

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

Referring to fig. 1 to 2, an acoustic assembly 100 is provided according to an embodiment of the present disclosure. The acoustic assembly 100 is used in a headphone to output sound to the sound emitting element 20 included therein. The acoustic assembly 100 can realize that the sound generating elements 20 are connected with each other in different frequency bands, and can realize that different sound generating elements 20 are independently tuned.

The acoustic assembly 100 includes a front case 10, a rear case 40, and an internal support 30. The inner bracket 30 is located in an inner accommodating space formed by the front case 10 and the rear case 40. One end of the internal support 30 close to the front shell 10 abuts against the front shell 10, a plurality of independent cavities 50 are formed between the internal support 30 and the front shell 10, and each independent cavity 50 is independent and not communicated with each other.

Further, a sound generating element 20 is arranged in each independent cavity 50, and the independent cavity 50 is separated into an independent front cavity 11 and an independent rear cavity 31 by the sound generating element 20. The independent front cavity 11 is positioned in the front shell 10 and is used for transmitting the sound emitted by the sound generating element 20; the separate rear chamber 31 is located within the inner support 30 for a separate tuning operation of the sound emitting element 20.

In some specific embodiments, the acoustic assembly 100 employs the sound generating element 20 capable of generating sounds in different frequency bands of high frequency, medium frequency and low frequency to combine two or more, so as to realize that the acoustic assembly 100 has a wider frequency band range, enrich the details of the sounds, make the sounds more clear and natural, and improve the sound quality. In addition, the sound generating element 20 may also adopt different unit structures, such as a moving coil unit, a moving iron unit, a flat unit, an electrostatic unit, and the like. In this embodiment, the moving coil unit and the moving iron unit are preferable.

Referring to fig. 2, the independent front cavities 11 are arranged side by side and are independent from each other, so that the sounds emitted by different sound emitting elements 20 in this embodiment are not interfered with each other, and the sound quality of the acoustic assembly 100 is improved. Further, independent back chamber 31 is arranged side by side the same, and mutually independent can make this embodiment different sound generating component 20 carries out solitary tuning operation, reduces the interference of sound each other, realizes more easily independent front chamber 11 with independent back chamber 31's sound pressure is balanced, makes the linking of different frequency channels more smooth, more balanced.

Example two

Referring to fig. 1 to 4, in the present embodiment, an acoustic assembly 100 is provided, and the acoustic assembly 100 is used in an earphone. The present embodiment is an improvement on the technology of the first embodiment, and compared with the first embodiment, the difference is that:

referring specifically to fig. 3, the front housing 10 is provided with a plurality of mounting structures 12 and a sound outlet 13. The mounting structure 12 is located at one end of the front shell 10 close to the internal support 30, and is used for mounting and fixing the sound generating element 20; the sound outlet 13 is located at the other end of the front housing 10, and is used for merging and outputting the sound emitted by each sound emitting element 20.

In some embodiments, the material of the front shell 10 may be plastic, wood or metal, and in this embodiment, the material is preferably plastic.

Further, the mounting structure 12 and the sound outlet 13 communicate through the independent front cavity 11. The sound generated by the sound generating element 20 is transmitted through the independent front cavity 11 and then output through the sound outlet 13.

Referring specifically to fig. 2, in some embodiments, the mounting structure 12 is a recess (not shown). The inside profile of recess with sound generating element 20 is close to the outside profile complete matching of independent antetheca 11 one end, sound generating element 20 is in after the installation is fixed in the recess, sound generating element 20 will be located same in independent cavity 50 independent antetheca 11 with independent back chamber 31 carries out complete isolation, avoids independent antetheca 11 with interference between the independent back chamber 31.

In some embodiments, the inner bracket 30 is fixedly mounted to an end of the front housing 10 adjacent to the rear housing 40. Further, the inner bracket 30 is embedded in the front case 10, so that the independent cavity 50 formed by the inner bracket 30 and the front case 10 is sealed.

In some embodiments, the material of the internal bracket 30 may be plastic, wood or metal, and in this embodiment, plastic is preferable. Further, the inner bracket 30 is fixedly mounted at one end of the front housing 10 close to the rear housing 40 by a dispensing process.

In some embodiments, the outer contour of the inner support 30 completely matches the outer contour of the front shell 10, which may further improve the sealing performance of the independent cavity 50 formed by the inner support 30 and the front shell 10.

In some embodiments, the inner frame 30 is provided with a plurality of receiving slots (not shown) that open toward the sound generating component 20. The accommodating grooves correspond to the sound generating elements 20 one to one, and one end of the accommodating groove close to the sound generating element 20 is abutted against the front shell 10 to form the independent rear cavity 31 close to one end of the inner support 30.

In some specific embodiments, the inner contour of the containing groove completely matches the outer contour of the sound-emitting element 20 near the end of the independent rear cavity 31. The design can make the independent front cavity 11 and the independent rear cavity 31 in the same independent cavity 50 have better sealing performance after the internal support 30 and the front shell 10 are installed and fixed.

Referring specifically to fig. 4 and 5, in some specific embodiments, each of the independent rear cavities 31 is provided with a tuning structure 32 at an end away from the sound emitting element 20 for performing a tuning operation on the sound emitting element 20.

In some embodiments, the tuning structure 32 includes tuning holes (not shown) and a tuning mesh (not shown) to tune the sound generating element 20 by adjusting air permeability.

Referring to fig. 5, in some embodiments, the rear housing 40 is fixedly mounted on an end of the front housing 10 away from the sound outlet 13. Further, the rear housing 40 and the front housing 10 clamp the inner support 30, which can improve the structural stability of the acoustic assembly 100 in this embodiment and can further improve the sealing performance of the independent cavity 50.

In some embodiments, the material of the rear shell 40 may be plastic, wood or metal, and in this embodiment, the material is preferably plastic.

In some embodiments, the back shell 40 is further provided with a decorative mesh 41, and the positions of all the tuning mesh on the inner support 30 are concentrated. At this time, the area of the decorative mesh 41 covers the whole tuning mesh cloth to realize the ventilation between the tuning mesh cloth and the outside of the acoustic assembly 100 in this embodiment, and meanwhile, the decorative mesh 41 can also play a role in beauty and shielding dust.

In some specific embodiments, the material of the decorative mesh 41 may be plastic, wood material or metal material, and in this embodiment, plastic material is preferred.

EXAMPLE III

Referring to fig. 6, in the acoustic assembly 100 provided in the present embodiment, the acoustic assembly 100 is used in an earphone. The present embodiment is an improvement made on the basis of the second embodiment, and compared with the second embodiment, the difference is that:

the inner bracket 30 is integrally formed with the rear case 40 as a second rear case 60. The second rear shell 60 is fixedly installed at one end, far away from the sound outlet 13, of the front shell 10, the second rear shell 60 is directly abutted to the front shell 10 and is formed with a plurality of independent cavities 50, the sound generating element 20 is arranged in each independent cavity 50, and the independent cavities 50 are isolated into an independent front cavity 11 located in the front shell 10 and an independent rear cavity located in the second rear shell 60 by the sound generating element 20. The tuning holes, the tuning mesh cloth, and the decorative mesh 41 are all provided on the second rear case 60. Such a design can simplify the structure of the acoustic assembly 100 in this embodiment, reducing the production cost.

Example four

Referring to fig. 7, the earphone 200 provided in this embodiment includes the acoustic assembly 100 described in any of the above embodiments. The earphone 200 performs sound adjustment and output through the acoustic assembly 100.

In some specific embodiments, the independent cavity 50 includes a first independent cavity 51 and a second independent cavity 52, the sound generating element 20 disposed in the first independent cavity 51 is specifically a moving-iron-unit sound generating element 21, and the sound generating element 20 disposed in the second independent cavity 52 is specifically a moving-coil-unit sound generating element 22.

Further, the moving-iron-unit sound-emitting element 21 specifically emits sound in a high frequency band, and the moving-coil-unit sound-emitting element 22 specifically emits sound in a low frequency band. The design can exert the advantages of the moving-iron unit sounding element 21 and the moving-coil unit sounding element 22 as much as possible, and meanwhile, the earphone 200 is connected with high-frequency sound and low-frequency sound and has wider audio frequency width.

In some embodiments, the front shell 10 is provided with a removable resilient ear plug 70 at the end away from the rear shell 40 to improve user comfort.

In some embodiments, the headset 200 further includes a bluetooth receiver, a charging power source and a charging interface, so as to be provided as a bluetooth wireless headset for users. In some other embodiments, the headset 200 includes a headset cord for connecting to an electronic device for use by a user as a wired headset.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

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 above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (10)

1. An acoustic assembly, comprising a front housing, a rear housing, an internal support and a plurality of sound generating elements, wherein the internal support is located in a containing space formed by the front housing and the rear housing;

one end of the inner support is abutted against the front shell to form a plurality of independent cavities, the plurality of sound generating elements are arranged in the corresponding independent cavities respectively, and the corresponding independent cavities are divided into independent front cavities close to the front shell and independent rear cavities close to the inner support respectively.

2. The acoustic assembly of claim 1, wherein the front housing is provided with a sound outlet and a plurality of mounting structures; the mounting structure is positioned at one end of the front shell close to the inner bracket and is used for mounting the sound generating element; the sound outlet is located the other end that the front shell is far away from the inner support, and a plurality of independent front cavities are communicated with the sound outlet.

3. The acoustic assembly of claim 1, wherein the internal support defines a plurality of receiving slots that open toward the sound generating element, the receiving slots and the sound generating element defining the separate back volume therebetween.

4. The acoustic assembly of claim 1, wherein a tuning structure is provided at an end of the separate rear chamber remote from the sound emitting element, the tuning structure being adapted to tune the respective sound emitting element.

5. The acoustic assembly of claim 4, wherein the tuning structure comprises a tuning hole and a tuning mesh covering the tuning hole.

6. The acoustic assembly of claim 5, wherein the back shell is provided with a decorative mesh corresponding to the position of the tuning mesh.

7. The acoustic assembly of claim 1, wherein the rear housing and the inner support are integrally formed as a second rear housing, one end of the second rear housing abutting the front housing and forming the plurality of independent cavities.

8. The acoustic assembly of claim 1, wherein the sound generating element is selected from the group consisting of a moving iron unit sound generating element, a moving coil unit sound generating element.

9. An earphone, characterized in that it comprises an acoustic assembly according to any one of claims 1 to 8.

10. The headset of claim 9, wherein the end of the front housing remote from the rear housing is provided with a removable resilient ear plug.

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