CN220511237U

CN220511237U - Prevent wind and make an uproar subassembly and have earphone of this prevent wind and make an uproar subassembly

Info

Publication number: CN220511237U
Application number: CN202322054418.8U
Authority: CN
Inventors: 贡维勇; 吴海全; 窦力才; 张波; 郭世文; 迟欣
Original assignee: Shenzhen Grandsun Electronics Co Ltd
Current assignee: Shenzhen Grandsun Electronics Co Ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-02-20
Anticipated expiration: 2033-08-01

Abstract

The utility model discloses a wind-noise-prevention assembly and an earphone with the wind-noise-prevention assembly, wherein the wind-noise-prevention assembly comprises: the cavity is provided with a transition cavity, one side of the cavity is provided with an opening communicated with the transition cavity, the other side of the cavity is provided with a wind shield which is arranged opposite to the opening, the wind shield is provided with a sound passing hole communicated with the transition cavity, and one side of the wind shield far away from the opening is provided with a microphone assembly part; the net component is connected with the cavity and covers the opening. The external wind passes through the net assembly before blowing to the microphone, and the net assembly can reduce the wind speed, so that the wind speed entering the transition cavity is reduced; in addition, after the wind enters the transition cavity, the air equalization can be further realized in the transition cavity, so that the air flow entering the microphone through the sound passing hole is more gentle, the wind noise is reduced, and the conversation quality is improved.

Description

Prevent wind and make an uproar subassembly and have earphone of this prevent wind and make an uproar subassembly

Technical Field

The utility model relates to the technical field of audio equipment, in particular to a wind noise prevention assembly and an earphone with the wind noise prevention assembly.

Background

Currently, wireless headsets are becoming increasingly popular with the public. However, when a user wears some headset wireless earphone to make a call during riding or walking, external wind is detected by the microphone and noisy noise is generated, which affects the call quality.

In the related art, a wind noise prevention strategy of a headset wireless earphone is to set a call port at the rear side of a earphone shell as much as possible, but the call port cannot be too far from the mouth of a user in practice, otherwise, the sound signal received by a microphone is too small to influence the call quality, in addition, in some cases, if wind is directly blown to the call port, the purpose of reducing wind noise cannot be achieved, and the limitation is large.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the wind noise prevention component which can reduce wind noise and improve conversation quality.

The utility model further provides an earphone with the wind noise prevention assembly.

An embodiment of the wind noise prevention assembly according to the first aspect of the present utility model comprises: the microphone comprises a cavity, wherein the cavity is provided with a transition cavity, an opening communicated with the transition cavity is formed in one side of the cavity, a wind shield arranged opposite to the opening is arranged on the other side of the cavity, a sound passing hole communicated with the transition cavity is formed in the wind shield, and a microphone assembly part is arranged on one side of the wind shield away from the opening; and the net assembly is connected with the cavity and covers the opening.

The wind noise prevention assembly provided by the embodiment of the utility model has at least the following beneficial effects:

in the wind noise prevention assembly, the microphone is arranged on the microphone assembly part, when the microphone is assembled on the microphone assembly part, the microphone is positioned on one side of the wind shield far away from the opening, and the sound pick-up hole of the microphone is opposite to the sound through hole on the wind shield. The external wind passes through the net assembly before blowing to the microphone, and the net assembly can reduce the wind speed, so that the wind speed entering the transition cavity is reduced; in addition, after the wind enters the transition cavity, the air equalization can be further realized in the transition cavity, so that the air flow entering the microphone through the sound passing hole is more gentle, the wind noise is reduced, and the conversation quality is improved.

According to some embodiments of the utility model, the mesh assembly comprises a first mesh and a second mesh arranged in a stack, the diameter of the mesh of the first mesh being larger than the diameter of the mesh of the second mesh, the second mesh being arranged to cover the opening, the first mesh being arranged on a side of the second mesh facing away from the wind deflector.

According to some embodiments of the utility model, the wind noise prevention assembly further comprises a seal disposed on an outer sidewall of the cavity.

According to some embodiments of the utility model, a positioning groove is formed around the outer side wall of the cavity, the sealing element is sleeved outside the cavity and is arranged in the positioning groove, and at least part of the sealing element is exposed out of the positioning groove.

According to some embodiments of the utility model, the cavity is provided with a buckling groove, and the sealing piece is provided with a buckle buckled in the buckling groove.

According to some embodiments of the utility model, the microphone mounting is a mounting groove.

An earphone according to an embodiment of the second aspect of the present utility model includes: the earphone shell is provided with a conversation port penetrating through the inner side and the outer side of the earphone shell; the wind noise prevention assembly is arranged in the earphone shell, and the net assembly is covered on the conversation port; the microphone, the microphone set up in microphone assembly portion, just the pickup hole of microphone with the sound hole sets up relatively.

The earphone according to the embodiment of the utility model has at least the following beneficial effects:

in the earphone of the utility model, external wind enters the earphone through the communication port, then enters the transition cavity through the network component, and then enters the microphone through the sound passing hole. After entering the call port, the outside wind passes through the net assembly, and the net assembly can reduce the wind speed, so that the wind speed entering the transition cavity is reduced; in addition, after the wind enters the transition cavity, the air equalization can be further realized in the transition cavity, so that the air flow entering the microphone through the sound passing hole is more gentle, the wind noise is reduced, and the conversation quality is improved. In the earphone, even if wind is directly blown to a call port, the wind noise prevention component can still achieve the purpose of reducing wind noise.

According to some embodiments of the utility model, a mounting groove is formed in the earphone shell, the communication port is communicated with the mounting groove, and the cavity is arranged in the mounting groove.

According to some embodiments of the utility model, a flange is formed on the inner wall of the earphone shell in an extending manner towards the inner side of the earphone shell, the flange surrounds the communication port, and the mounting groove is formed on the periphery of the flange.

According to some embodiments of the utility model, the seal is in sealing engagement with a sidewall of the mounting groove.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a wind noise prevention assembly according to one embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a wind noise prevention assembly according to one embodiment of the utility model;

FIG. 3 is a schematic view of an exploded view of a wind noise prevention assembly according to one embodiment of the present utility model;

fig. 4 is a schematic partial structure of an earphone according to an embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of the graph shown in FIG. 4;

FIG. 6 is a schematic view of a portion of a earphone shell according to an embodiment of the present utility model;

fig. 7 is an enlarged view of a portion of the graph shown in fig. 6.

Reference numerals:

100. a wind noise prevention assembly; 110. a cavity; 111. a transition chamber; 112. a wind deflector; 1121. a sound passing hole; 1122. a microphone assembly; 113. an opening; 114. a positioning groove; 115. a buckling groove; 120. a mesh assembly; 121. a first web; 122. a second web; 130. a seal; 131. a buckle;

200. a microphone;

300. a circuit board;

400. a earphone shell; 401. a call port; 402. a mounting groove; 410. and (5) a flange.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, an embodiment of the present utility model relates to a wind noise prevention assembly 100, and the wind noise prevention assembly 100 may be applied to a headset.

The wind noise prevention assembly 100 includes a cavity 110 and a mesh assembly 120.

Referring to fig. 2 and 3, the cavity 110 is provided with a transition cavity 111, one side of the cavity 110 is provided with an opening 113 communicated with the transition cavity 111, the other side of the cavity 110 is provided with a wind shield 112 opposite to the opening 113, the wind shield 112 is provided with a through sound hole 1121 communicated with the transition cavity 111, and one side of the wind shield 112 far from the opening 113 is provided with a microphone assembly 1122.

Specifically, the cavity 110 is a hollow structure with a transition cavity 111; the microphone 200 is configured to be mounted on the microphone mounting portion 1122, and when the microphone 200 is mounted on the microphone mounting portion 1122, the microphone 200 is located on a side of the wind deflector 112 away from the opening 113, and the sound pickup hole of the microphone 200 is opposite to the sound passing hole 1121 on the wind deflector 112.

In some embodiments, the microphone mounting 1122 is a mounting groove, and the microphone 200 is configured to be coupled to a circuit board 300, and the circuit board 300 is disposed in the mounting groove to fix the microphone 200 to the windshield 112.

Wherein the circuit board 300 may be a flexible circuit board.

Further, the fitting groove can realize positioning of the circuit board 300, thereby ensuring fitting accuracy of the microphone 200 and the cavity 110, and ensuring that the sound pick-up hole of the microphone 200 is opposed to the sound passing hole 1121 on the wind deflector 112.

Referring to fig. 2 and 3, the mesh assembly 120 is connected to the cavity 110 and covers the opening 113 of the cavity 110.

Specifically, the net assembly 120 is a structure capable of ventilation, and the net assembly 120 is fixed with the cavity 110 and covers the opening 113 of the cavity 110.

As shown in fig. 1 to 3, in the wind noise prevention assembly 100 of the present utility model, the microphone 200 is configured to be mounted on the microphone mounting portion 1122, when the microphone 200 is mounted on the microphone mounting portion 1122, the microphone 200 is located on a side of the wind shield 112 away from the opening 113, and the sound pick-up hole of the microphone 200 is opposite to the sound through hole 1121 on the wind shield 112. The external wind passes through the net assembly 120 before blowing to the microphone 200, and the net assembly 120 can reduce the wind speed, so that the wind speed entering the transition cavity 111 is reduced; in addition, after the wind enters the transition cavity 111, air equalization is further realized in the transition cavity 111, so that the air flow entering the microphone 200 through the through hole 1121 is more gentle, thereby reducing wind noise and improving the conversation quality.

As shown in fig. 1 and fig. 4 to fig. 7, it should be noted that the wind noise prevention assembly 100 is applied to a headset, the headset includes a headset housing 400 and a microphone 200, and the headset housing 400 is provided with a communication port 401 penetrating through both inner and outer sides of the headset housing 400; the wind noise prevention component 100 is arranged in the earphone shell 400, and the net component 120 is covered on the communication port 401; the microphone 200 is provided in the microphone mounting portion 1122, and a sound pickup hole of the microphone 200 is provided to face the sound passing hole 1121.

It will be appreciated that external wind may enter the earphone through the communication port 401, then enter the transition chamber 111 through the mesh assembly 120, and then enter the microphone 200 through the sound hole 1121.

The communication port 401 is formed on the back of the earphone shell 400, so that when a user makes a call in the riding or walking process, wind can not directly blow to the communication port 401, and the effect of preventing wind and noise can be further achieved.

It should be noted that, even if the speaking port 401 is formed on the back of the earphone housing 400, the speaking port 401 is disposed at a position to ensure that the voice uttered by the user can be transmitted to the microphone 200 through the speaking port 401.

Referring to fig. 2 and 3, in some embodiments, the mesh assembly 120 includes a first mesh 121 and a second mesh 122 that are stacked, the first mesh 121 having a larger diameter than the second mesh 122, the second mesh 122 covering the opening 113 of the cavity 110, the first mesh 121 being disposed on a side of the second mesh 122 remote from the wind deflector 112.

It will be appreciated that the second net 122 is fixedly connected to the cavity 110 and covers the opening 113 of the cavity 110, the first net 121 is connected to the second net 122 and is stacked, and the first net 121 is disposed on a side of the second net 122 away from the wind deflector 112. The external wind passes through the first net 121 and the second net 122 in sequence before being blown to the microphone 200, and then enters the transition cavity 111; wherein, because the diameter of the mesh of the first net 121 is larger than that of the second net 122, the wind is subjected to double deceleration under the action of the first net 121 and the second net 122 before entering the transition chamber 111, thereby further decelerating the wind and further reducing wind noise.

It should be noted that, the first net 121 may be a steel net, and the mesh of the first net 121 may be circular holes or oval holes; wherein the diameter of the circular holes can be between 0.3mm and 0.7mm, preferably 0.5mm; the length of the major axis of the elliptical aperture may be between 0.5mm and 0.7mm and the length of the minor axis of the ellipse may be between 0.2mm and 0.4 mm.

Further, the second mesh 122 may be a waterproof nano mesh cloth having a specification of 350 mesh.

It will be appreciated that the second mesh 122 also functions to provide waterproofing, reducing the risk of external water entering the transition chamber 111 and damaging the microphone 200.

It should be noted that, the first net 121 and the cavity 110 may be fixed by glue, and the second net 122 and the first net 121 may also be fixed by glue.

As shown in fig. 2, in some embodiments, the wind noise prevention assembly 100 further includes a seal 130, the seal 130 being disposed on an outer sidewall of the cavity 110.

Referring to fig. 2, 5 and 7, a mounting groove 402 is formed in the earphone housing 400, the communication port 401 communicates with the mounting groove 402, the cavity 110 is disposed in the mounting groove 402, the net assembly 120 is covered on the communication port 401, and the sealing member 130 is in sealing fit with a side wall of the mounting groove 402.

It will be appreciated that the seal 130 may seal the gap between the outer sidewall of the cavity 110 and the sidewall of the mounting groove 402, thereby ensuring that the user's voice is transmitted to the microphone 200 after passing through the communication port 401, and reducing loss.

Further, the seal 130 is held against the outer side wall of the cavity 110 and the side wall of the mounting groove 402, and the seal 130 also functions to secure the cavity 110 within the mounting groove 402.

Wherein the sealing member 130 may be an elastic rubber.

Referring to fig. 2 and fig. 3, in some embodiments, a positioning groove 114 is formed around an outer sidewall of the cavity 110, the sealing member 130 is sleeved outside the cavity 110 and is disposed in the positioning groove 114, and at least a portion of the sealing member 130 is exposed out of the positioning groove 114.

Specifically, the positioning groove 114 is a closed structure with the end to end, the positioning groove 114 is arranged around the cavity 110, the positioning groove 114 is formed by the concave outer side wall of the cavity 110, the sealing element 130 is sleeved outside the cavity 110 and arranged on the positioning groove 114, the positioning of the sealing element 130 and the cavity 110 can be realized, the risk that the sealing element 130 falls off from the cavity 110 is reduced, at least part of the sealing element 130 is exposed out of the positioning groove 114, and the sealing element 130 exposed out of the positioning groove 114 can abut against the side wall of the mounting groove 402 so as to realize sealing.

Further, the cavity 110 is provided with a fastening slot 115, and the sealing member 130 is provided with a buckle 131 fastened in the fastening slot 115. In this way, the reliability of the assembly of the seal 130 with the cavity 110 may be further improved, reducing the risk of the seal 130 falling off the cavity 110.

As shown in fig. 4 to 7, an embodiment of the present utility model further relates to an earphone, including an earphone housing 400, a wind noise prevention assembly 100, and a microphone 200;

the earphone shell 400 is provided with a communication port 401 penetrating through the inner side and the outer side of the earphone shell 400; the wind noise prevention component 100 is arranged in the earphone shell 400, and the net component 120 is covered on the communication port 401; the microphone 200 is provided in the microphone mounting portion 1122, and a sound pickup hole of the microphone 200 is provided to face the sound passing hole 1121.

In the earphone of the present utility model, after the external wind enters the earphone through the communication port 401, the external wind enters the transition cavity 111 through the net assembly 120, and then enters the microphone 200 through the sound passing hole 1121. After entering the communication port 401, the external wind will first pass through the network component 120, and the network component 120 can reduce the wind speed, so that the wind speed entering the transition cavity 111 is reduced; in addition, after the wind enters the transition cavity 111, air equalization is further realized in the transition cavity 111, so that the air flow entering the microphone 200 through the through hole 1121 is more gentle, thereby reducing wind noise and improving the conversation quality. In the earphone of the present utility model, even if wind is directly blown to the conversation port 401, the wind noise prevention assembly 100 can still play a role in reducing wind noise.

Further, a mounting groove 402 is formed in the earphone shell 400, the conversation port 401 is communicated with the mounting groove 402, the cavity 110 is arranged in the mounting groove 402, the mounting groove 402 is used for positioning the cavity 110, and after the cavity 110 is mounted in the mounting groove 402, the net assembly 120 can cover the conversation port 401.

Wherein, the inner wall of the earphone shell 400 extends towards the inner side of the earphone shell 400 to form a flange 410, the flange 410 surrounds the communication port 401, and the flange 410 surrounds the mounting groove 402.

Further, the seal 130 sealingly engages the side wall of the mounting groove 402. The sealing member 130 can seal the gap between the outer sidewall of the cavity 110 and the sidewall of the mounting groove 402, so as to ensure that the sound of the user can be transmitted to the microphone 200 after passing through the communication port 401, and reduce the loss.

Still further, the seal 130 is held against the outer side wall of the cavity 110 and the side wall of the mounting groove 402, and the seal 130 also functions to secure the cavity 110 within the mounting groove 402.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A wind noise prevention assembly, comprising:

the microphone comprises a cavity, wherein the cavity is provided with a transition cavity, an opening communicated with the transition cavity is formed in one side of the cavity, a wind shield arranged opposite to the opening is arranged on the other side of the cavity, a sound passing hole communicated with the transition cavity is formed in the wind shield, and a microphone assembly part is arranged on one side of the wind shield away from the opening;

and the net assembly is connected with the cavity and covers the opening.

2. The wind noise prevention assembly according to claim 1, wherein the mesh assembly comprises a first mesh and a second mesh arranged in a stack, the diameter of the mesh of the first mesh being larger than the diameter of the mesh of the second mesh, the second mesh being covered by the opening, the first mesh being arranged on a side of the second mesh facing away from the wind deflector.

3. The wind noise prevention assembly of claim 1, further comprising a seal disposed on an outer sidewall of the cavity.

4. The wind-noise prevention assembly according to claim 3, wherein a positioning groove is formed around the outer side wall of the cavity, the sealing element is sleeved outside the cavity and is arranged in the positioning groove, and at least part of the sealing element is exposed out of the positioning groove.

5. A wind noise prevention assembly according to claim 3, wherein the cavity is provided with a fastening groove, and the sealing member is provided with a fastener fastened in the fastening groove.

6. The wind noise prevention assembly of claim 1 wherein said microphone mounting portion is a mounting groove.

7. An earphone, comprising:

the earphone shell is provided with a conversation port penetrating through the inner side and the outer side of the earphone shell;

a wind noise prevention assembly according to any one of claims 1 to 6, said wind noise prevention assembly being disposed within said earphone housing and having said net assembly covering said conversation port;

the microphone, the microphone set up in microphone assembly portion, just the pickup hole of microphone with the sound hole sets up relatively.

8. The earphone of claim 7, wherein a mounting groove is formed in the earphone shell, the conversation port communicates with the mounting groove, and the cavity is disposed in the mounting groove.

9. The earphone of claim 8, wherein the inner wall of the earphone housing extends toward the inner side of the earphone housing to form a flange, the flange surrounds the communication port, and the flange surrounds the mounting groove.

10. The earphone of claim 9, wherein the wind noise prevention assembly is a wind noise prevention assembly according to any of the preceding claims 3 to 6;

the sealing element is in sealing fit with the side wall of the mounting groove.