CN214507337U

CN214507337U - Noise reduction structure for earphone microphone air port

Info

Publication number: CN214507337U
Application number: CN202023103265.4U
Authority: CN
Inventors: 林坚诚; 李平
Original assignee: Dongguan Senmai Acoustics Technology Co ltd
Current assignee: Dongguan Senmai Acoustics Technology Co ltd
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-10-26
Anticipated expiration: 2030-12-19

Abstract

The utility model belongs to the technical field of earphones, in particular to an earphone microphone vent noise reduction structure, which comprises an earphone shell and a microphone; an installation seat is arranged in the earphone shell, an installation cavity is formed in the installation seat, and the microphone is installed in the installation cavity; a pair of microphone openings is formed in the outer wall of the earphone shell, and the microphone openings are communicated with the installation cavity. The air enters the microphone in the mounting cavity from one microphone opening along with the sound, the sound is transmitted to the microphone, the air entering the mounting cavity can flow out from the other microphone opening, the air flowing through the microphone in the mounting cavity forms convection, the air cannot generate reverberation in the mounting cavity, and meanwhile, the air flow resistance is reduced, so that the wind noise at the microphone position is reduced, the effect of reducing the wind noise is achieved, and the conversation quality of the earphone is greatly improved.

Description

Noise reduction structure for earphone microphone air port

Technical Field

The utility model belongs to the technical field of the earphone, especially, relate to a structure of making an uproar falls in earphone microphone opening.

Background

Earphones (ears; heads-sets; ears) are a pair of conversion units that receive electrical signals from a media player or receiver and convert them into audible sound waves using speakers near the ears. The microphone is one of the components which can not be lost in the existing earphone product, and the microphone with good noise reduction effect can not only bring good conversation quality, but also bring good user experience to the user.

The existing earphone shell is usually provided with a microphone opening, the microphone is arranged in a cavity of the earphone and is over against the microphone opening, and the speaking sound of a user is transmitted into the microphone from the microphone opening to realize voice communication. The existing earphone shell is only provided with a structural mode that one microphone opening corresponds to one microphone, but the structure has the following defects: the microphone is provided with a microphone opening, and air flows in from the microphone opening and then flows out from the microphone opening, so that the air cannot smoothly form convection, the air flow resistance is large, the wind noise at the microphone position is large, and particularly the outdoor communication quality of the earphone is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of making an uproar falls in earphone microphone mouth aims at solving the structural style that only is equipped with a microphone mouth on the earphone shell of prior art and corresponds a microphone, and the air flows from the microphone mouth again after flowing into from the microphone mouth, and the air can not form the convection current smoothly, causes the air flow resistance great, and the wind that leads to the microphone position makes an uproar great, especially in the open air, seriously influences the technical problem of the conversation quality of earphone.

In order to achieve the above object, an embodiment of the present invention provides a noise reduction structure for an earphone microphone opening, which includes an earphone shell and a microphone; an installation seat is arranged in the earphone shell, an installation cavity is formed in the installation seat, and the microphone is installed in the installation cavity; a pair of microphone openings is formed in the outer wall of the earphone shell, and the microphone openings are communicated with the installation cavity.

Optionally, a diameter of one end of the microphone mounting cavity, which is far away from the two microphone openings, is increased to form a microphone mounting groove, the microphone is mounted in the microphone mounting groove in an adaptive manner, and the microphone opening of the microphone faces the two microphone openings.

Optionally, the microphone port cover of the microphone is provided with a noise reduction member.

Optionally, the noise reduction member is a sponge, foam or mesh.

Optionally, an annular sealing member is disposed between the noise reduction member and the bottom of the microphone mounting groove.

Optionally, the wiring terminal on the back of the microphone is accommodated in the microphone mounting groove.

Optionally, the inner wall of microphone mounting groove runs through and is equipped with the wiring groove, just the wiring groove is located the tip of mount pad.

Optionally, both of the microphone openings are oval.

Optionally, the headset housing comprises an ear shell and an ear shell; the side surface of the earmuff shell is a spherical surface, the earmuff is arranged at one end of the earmuff shell, and the other end of the earmuff shell is a horizontal surface; the two microphone openings are respectively arranged on the spherical surface and the horizontal surface.

Optionally, the two microphone openings are arranged in a large and a small manner, the large microphone opening is arranged on the horizontal plane, and the small microphone opening is arranged on the spherical surface.

Compared with the prior art, the embodiment of the utility model provides a structure of making an uproar falls in earphone microphone wind gap has one of following technological effect:

the earphone comprises an earphone shell and is characterized in that a pair of microphone openings is formed in the outer wall of the earphone shell, air enters a microphone in an installation cavity from one microphone opening along with sound, the sound is transmitted to the microphone, the air entering the installation cavity can flow out from the other microphone opening, and convection is formed by the air flowing through the microphone in the installation cavity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is the utility model discloses a structure schematic diagram of structure of making an uproar falls in earphone microphone wind gap.

Fig. 2 is the utility model discloses a structure schematic diagram of the structure hiding earmuffs of making an uproar falls in earphone microphone mouth.

Fig. 3 is a cross-sectional view taken along a-a of fig. 2 according to the present invention.

Fig. 4 is an enlarged view of the point B in fig. 3 according to the present invention.

Wherein, in the figures, the respective reference numerals:

the earphone housing 100, the earphone housing 110, the spherical surface 111, the horizontal surface 112, the ear cup 120, the microphone 200, the connection terminal 210, the mounting base 300, the mounting cavity 310, the microphone mounting groove 320, the wiring groove 330, the microphone opening 400, the noise reduction member 500, and the annular sealing member 600.

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 reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

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 embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; 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 embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, referring to fig. 1 and 2, a noise reduction structure for an earphone microphone opening is provided, including an earphone housing 100 and a microphone 200.

Referring to fig. 1, 3 and 4, a mounting base 300 is disposed in the earphone housing 100, a mounting cavity 310 is formed in the mounting base 300, and the microphone 200 is mounted in the mounting cavity 310. A pair of microphone openings 400 is formed in the outer wall of the earphone housing 100, and both the microphone openings 400 are communicated with the mounting cavity 310, so that the microphone openings 400 are communicated with the microphone 200.

Air enters the microphone 200 in the mounting cavity 310 from one microphone opening 400 along with sound, the sound is transmitted to the microphone 200, the air entering the mounting cavity 310 can flow out from the other microphone opening 400, and convection is formed by the air flowing through the position of the microphone 200 in the mounting cavity 310, particularly, during outdoor sports, the air cannot generate reverberation in the mounting cavity 310, and meanwhile, the air flowing resistance is reduced, so that the wind noise at the position of the microphone 200 is reduced, the effect of reducing the wind noise is achieved, and the conversation quality of the earphone is greatly improved.

In another embodiment of the present invention, referring to fig. 1 and 4, the diameter of the end of the microphone opening 400 of the noise reduction structure of the earphone microphone opening 310 away from two is increased to form a microphone mounting groove 320, and an annular step is formed at the bottom of the microphone mounting groove 320. The microphone 200 is adapted to be mounted in the microphone mounting groove 320, and the microphone opening of the microphone 200 faces the two microphone openings 400.

Specifically, the microphone 200 may be fixedly mounted in the microphone mounting groove 320 in an interference fit connection, a clamping connection, an adhesion connection, or the like, which is convenient to mount.

In another embodiment of the present invention, referring to fig. 1 and 4, the microphone cap of the microphone 200 of the noise reduction structure of the earphone microphone is provided with a noise reduction member 500. The noise reduction component 500 can reduce the wind noise at the microphone port of the microphone 200, and further improve the communication quality of the microphone 200.

Further, the noise reduction piece 500 is made of sponge, foam or mesh cloth, and is simple in structure and good in effect.

Meanwhile, the noise reduction piece 500 can also shield dust, so that the dust is prevented from entering the microphone opening of the microphone 200, and the microphone 200 is ensured to normally work.

In another embodiment of the present invention, referring to fig. 1 and 4, the noise reduction component 500 of the noise reduction structure of the earphone microphone and the bottom of the microphone mounting groove 320 are provided with an annular sealing component 600 therebetween, the microphone port of the microphone 200 is opposite to the annular hole of the annular sealing component 600, and the sound can pass through the annular hole of the annular sealing component 600 to the microphone 200.

The annular sealing member 600 has a sealing function, so that the microphone 200 is tightly connected with the microphone mounting groove 320, sound is prevented from flowing away from a gap between the microphone 200 and the microphone mounting groove 320 after entering the position of the microphone 200 from the microphone opening 400, and sound distortion is avoided.

In another embodiment of the present invention, referring to fig. 2 and 4, the connection terminal 210 at the back of the microphone 200 of the noise reduction structure of the earphone microphone is received in the microphone mounting groove 320, and an electric wire (not shown) connects the connection terminal 210 and a circuit board (not shown) of the earphone. Since the connection terminal 210 is received in the microphone mounting groove 320, when other electrical components are mounted in the earphone case 100, the connection terminal 210 is prevented from being touched to be loosened, so that the electric wire is stably connected to the connection terminal 210.

Further, referring to fig. 2 and 4, a wiring groove 330 is formed in the inner wall of the microphone mounting groove 320, the wiring groove 330 is located at the end of the mounting base 300, and the electric wire is clamped in the wiring groove 330, so that the electric wire is fixed and prevented from swinging randomly.

In another embodiment of the present invention, referring to fig. 1 and 4, the two noise reduction structures of the earphone microphone opening 400 are both oval to make reasonable use of space.

In other embodiments, the microphone opening 400 may also be configured to be circular.

In another embodiment of the present invention, referring to fig. 1 and 4, the earphone casing 100 of the noise reduction structure of the earphone microphone includes an earphone casing 110 and an ear muff 120.

Referring to fig. 1 and 4, the side surface of the earmuff housing 110 is a spherical surface 111, the earmuff 120 is mounted on one end of the earmuff housing 110, and the other end of the earmuff housing 110 is a horizontal surface 112. Since the two microphone openings 400 are respectively disposed on the spherical surface 111 and the horizontal surface 112, since the spherical surface 111 is located on the outer side, air easily enters from the microphone opening 400 located on the spherical surface 111 along the spherical surface 111 and then flows out from the microphone opening 400 located on the horizontal surface 112 to circulate.

Further, referring to fig. 1 and 4, the two microphone openings 400 are arranged in a large-small manner, the large microphone opening 400 is arranged on the horizontal surface 112, and the small microphone opening 400 is arranged on the spherical surface 111. Air flows in from the small microphone opening 400 and flows out from the large microphone opening 400, so that the speed of the air flowing through the position of the microphone 200 in the mounting cavity 310 is reduced when the air flows out, the wind noise is also reduced, and the communication quality of the microphone 200 is improved.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims

1. A noise reduction structure for an earphone microphone opening is characterized by comprising an earphone shell and a microphone; an installation seat is arranged in the earphone shell, an installation cavity is formed in the installation seat, and the microphone is installed in the installation cavity; the outer wall of the earphone shell is provided with a pair of microphone openings, and the two microphone openings are communicated with the installation cavity; the diameter of one end of the mounting cavity, which is far away from the two microphone openings, is increased to form a microphone mounting groove, the microphone is mounted in the microphone mounting groove in an adaptive mode, and the microphone openings of the microphone face the two microphone openings.

2. The noise reduction structure for the opening of the earphone microphone according to claim 1, wherein: the microphone opening cover of the microphone is provided with a noise reduction piece.

3. The earphone microphone vent noise reduction structure of claim 2, wherein: the noise reduction piece is made of sponge, foam or mesh cloth.

4. The earphone microphone vent noise reduction structure of claim 2, wherein: an annular sealing piece is arranged between the noise reduction piece and the bottom of the microphone mounting groove.

5. The noise reduction structure for the opening of the earphone microphone according to claim 1, wherein: the wiring terminal at the back of the microphone is accommodated in the microphone mounting groove.

6. The noise reduction structure for the opening of the earphone microphone according to claim 1, wherein: the inner wall of microphone mounting groove runs through and is equipped with the wiring groove, just the wiring groove is located the tip of mount pad.

7. The noise reduction structure for the opening of the earphone microphone according to claim 1, wherein: the two microphone openings are oval.

8. The noise reduction structure for the opening of the earphone microphone according to claim 1, wherein: the earphone shell comprises an earphone shell body and an earphone; the side surface of the earmuff shell is a spherical surface, the earmuff is arranged at one end of the earmuff shell, and the other end of the earmuff shell is a horizontal surface; the two microphone openings are respectively arranged on the spherical surface and the horizontal surface.

9. The earphone microphone vent noise reduction structure of claim 8, wherein: the microphone openings are arranged in a large mode and a small mode, the large microphone opening is arranged on the horizontal plane, and the small microphone opening is arranged on the spherical surface.