CN219514214U

CN219514214U - TWS earphone

Info

Publication number: CN219514214U
Application number: CN202320784501.8U
Authority: CN
Inventors: 彭久高; 吴海全; 颜昌涛; 李军刚; 师瑞文; 张志军
Original assignee: Shenzhen Guanxu Industrial Design Co ltd; Shenzhen Grandsun Electronics Co Ltd
Current assignee: Shenzhen Guanxu Industrial Design Co ltd; Shenzhen Grandsun Electronics Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-11
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a TWS earphone, comprising: the shell is provided with an installation cavity and a sound inlet communicated with the installation cavity; the microphone sleeve is arranged in the installation cavity and comprises a supporting part provided with a sound channel and a sealing part sleeved outside the supporting part, the hardness of the supporting part is greater than that of the sealing part, the first end of the sound channel is communicated with the sound inlet, and the sealing part is propped against the cavity wall of the installation cavity; and the microphone is arranged in the mounting cavity and opposite to the second end of the sound channel. The supporting part is harder can support the sealing part, reduces the risk of sealing part gas leakage because of deformation, and softer sealing part can support tightly with the chamber wall of installation cavity and have better sealed effect. In addition, because the supporting part is made of harder materials, the risk of deformation of the sound channel can be reduced, and excellent acoustic performance is ensured.

Description

TWS earphone

Technical Field

The utility model relates to the technical field of earphones, in particular to a TWS earphone.

Background

TWS (true wireless stereo), true wireless stereo) headphones are becoming increasingly popular as one of audio devices.

Patent publication CN217470238U discloses an earphone having a microphone sleeve, but the microphone sleeve is easily deformed due to uneven stress or improper assembly operation during assembly, resulting in air leakage.

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 TWS earphone which can reduce the problem of air leakage of the microphone sleeve caused by deformation.

TWS headphones according to some embodiments of the present utility model include: the shell is provided with an installation cavity and a sound inlet communicated with the installation cavity; the microphone sleeve is arranged in the installation cavity, the microphone sleeve comprises a supporting part provided with a sound channel and a sealing part sleeved outside the supporting part, the hardness of the supporting part is greater than that of the sealing part, the first end of the sound channel is communicated with the sound inlet, and the sealing part is propped against the cavity wall of the installation cavity; and the microphone is arranged in the mounting cavity and opposite to the second end of the sound channel.

The TWS earphone provided by the embodiment of the utility model has at least the following beneficial effects:

in the TWS earphone of the present utility model, when external sound enters the TWS earphone through the sound inlet hole, the sound passes through the sound channel and is received by the microphone. The supporting part is harder and can support the sealing part, so that the risk of air leakage of the sealing part due to deformation is reduced, and the softer sealing part can be abutted against the cavity wall of the mounting cavity to have a better sealing effect. In addition, because the supporting part is made of harder materials, the risk of deformation of the sound channel can be reduced, and excellent acoustic performance is ensured.

According to some embodiments of the utility model, the sealing part is provided with a sound inlet hole opposite to the first end of the sound channel, and a first sealing ring is formed on the sealing part, the first sealing ring is arranged around the end of the sound inlet hole away from the sound channel, and the first sealing ring is abutted between the supporting part and the cavity wall of the mounting cavity.

According to some embodiments of the utility model, the axial direction of the first end of the sound channel is arranged at an angle to the axial direction of the second end of the sound channel.

According to some embodiments of the utility model, the sound channel comprises a first channel and a second channel communicated with the first channel, an inlet of the first channel is communicated with the sound inlet, an outlet of the second channel is arranged opposite to the microphone, and an angle between the first channel and the second channel is 60-120 degrees.

According to some embodiments of the utility model, the sealing part is provided with a through hole opposite to the third end of the sound channel, and a second sealing ring is formed on the sealing part, the second sealing ring is arranged around one end of the through hole far away from the sound channel, and the second sealing ring is propped between the supporting part and the cavity wall of the mounting cavity;

the first end of the sound channel is opposite to the third end of the sound channel.

According to some embodiments of the utility model, the sealing portion is formed with a positioning groove, and the supporting portion is disposed in the positioning groove.

According to some embodiments of the utility model, the TWS earphone further comprises a tuning net disposed at the second end of the sound channel, and the seal is disposed around the tuning net.

According to some embodiments of the utility model, the mounting cavity has a mounting groove extending inwards, and the microphone sleeve is arranged in the mounting groove.

According to some embodiments of the utility model, the sound inlet is disposed opposite to the first end of the sound channel and extends to the tail end of the housing.

According to some embodiments of the utility model, the TWS earphone further includes a circuit board, the circuit board is disposed inside the mounting cavity, the circuit board is provided with a via hole, the microphone is disposed on one side of the circuit board and has a second end of the sound channel disposed opposite to the via hole, and the microphone is disposed on the other side of the circuit board and is disposed opposite to the via hole.

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 diagram of a TWS headset according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a TWS headset according to an embodiment of the present utility model with portions in cross-section;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a schematic cross-sectional view of a sleeve according to an embodiment of the present utility model.

Reference numerals:

10. TWS earphone;

100. a housing; 110. a mounting cavity; 120. a sound inlet hole; 130. a mounting groove;

200. a microphone sleeve; 210. a support part; 211. a sound channel; 211a, a first end; 211b, a second end; 211c, a third end; 2111. a first channel; 2112. a second channel; 220. a sealing part; 220a, sound inlet holes; 220b, through holes; 221. a first seal ring; 222. a second seal ring; 223. a positioning groove;

300. a microphone;

400. a tuning net;

500. a circuit board; 510. and a via hole.

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 and 2, a TWS earphone 10 according to an embodiment of the present utility model includes a housing 100, a microphone case 200, and a microphone 300.

The cabinet 100 is provided with a mounting chamber 110, and a sound inlet 120 communicating with the mounting chamber 110.

Specifically, the casing 100 has a hollow structure provided with the installation cavity 110, and the side wall of the casing 100 is provided with a sound inlet 120 communicated with the installation cavity 110.

Referring to fig. 3 and 4, the microphone sleeve 200 is disposed inside the mounting cavity 110, the microphone sleeve 200 includes a supporting portion 210, and a sealing portion 220 disposed outside the supporting portion 210, wherein the hardness of the supporting portion 210 is greater than that of the sealing portion 220, and the sealing portion 220 abuts against the cavity wall of the mounting cavity 110.

Specifically, the supporting portion 210 is an inner layer member of the miaow sleeve 200, the sealing portion 220 is an outer layer member of the miaow sleeve 200, and the supporting portion 210 can support the sealing portion 220, so that the risk of air leakage caused by deformation of the sealing portion 220 is reduced, and the sealing effect is ensured.

The supporting portion 210 may be formed of hard rubber, and the sealing portion 220 may be formed of soft rubber. Of course, in other embodiments, the supporting portion 210 may be made of plastic, the sealing portion 220 may be made of rubber, so that the hardness of the supporting portion 210 is greater than that of the sealing portion 220, the supporting portion 210 may support the sealing portion 220 more firmly, the risk of air leakage of the sealing portion 220 due to deformation is reduced, and the softer sealing portion 220 may abut against the wall of the mounting cavity 110 to have a better sealing effect.

The support portion 210 is provided with a sound channel 211, a first end 211a of the sound channel 211 communicates with the sound inlet 120, and the microphone 300 is disposed inside the mounting cavity 110 and opposite to a second end 211b of the sound channel 211.

Specifically, when external sound enters the TWS earphone 10 through the sound inlet 120, the sound passes through the sound channel 211 and is received by the microphone 300. Because the supporting portion 210 is made of a harder material, the risk of deformation of the sound channel 211 can be reduced, and excellent acoustic performance can be ensured.

Further, the sealing part 220 is provided with a sound inlet 220a opposite to the first end 211a of the sound channel 211, and a first sealing ring 221 is formed on the sealing part 220, the first sealing ring 221 is disposed around one end of the sound inlet 220a far from the sound channel 211, and the first sealing ring 221 is abutted between the supporting part 210 and the cavity wall of the mounting cavity 110.

Specifically, the sound inlet 220a is located between the sound inlet 120 and the first end 211a of the sound channel 211, and the first sealing ring 221 is used for sealing the periphery of the end, far away from the sound channel 211, of the sound inlet 220a, so as to avoid air leakage, and under the supporting effect of the supporting portion 210, the problem that the first sealing ring 221 arches to generate air leakage due to deformation can be improved, and the sealing effect is ensured.

Further, the sealing part 220 is provided with a through hole 220b disposed opposite to the third end 211c of the sound channel 211, and a second sealing ring 222 is formed on the sealing part 220, the second sealing ring 222 is disposed around one end of the through hole 220b away from the sound channel 211, and the second sealing ring 222 abuts between the supporting part 210 and the cavity wall of the mounting cavity 110.

Specifically, the second sealing ring 222 is used for sealing the periphery of the end of the through hole 220b away from the sound channel 211, so as to avoid air leakage, and under the supporting action of the supporting portion 210, the problem that the second sealing ring 222 arches to generate air leakage due to deformation can be improved, and the sealing effect is ensured.

It should be noted that, the axial direction of the first end 211a of the sound channel 211 and the axial direction of the second end 211b of the sound channel 211 are disposed at an angle, and the first end 211a of the sound channel 211 is disposed opposite to the third end 211c of the sound channel 211.

Further, the sound channel 211 includes a first channel 2111 and a second channel 2112 communicating with the first channel 2111, an inlet of the first channel 2111 communicates with the sound inlet 120, an outlet of the second channel 2112 is disposed opposite to the microphone 300, and an angle between the first channel 2111 and the second channel 2112 is between 60 ° and 120 °. Specifically, the inlet of the first channel 2111 is the first end 211a of the sound channel 211 and the outlet of the second channel 2112 is the second end 211b of the sound channel 211.

In this way, when the external wind enters the sound channel 211 through the sound inlet 120, the wind will not directly blow to the microphone 300, and the sound channel 211 can reduce the influence of the airflow on the microphone 300, and reduce the wind noise.

Specifically, in the present embodiment, the angle between the first channel 2111 and the second channel 2112 is 90 °.

As shown in fig. 4, in one embodiment, the sealing part 220 is formed with a positioning groove 223, and the supporting part 210 is disposed in the positioning groove 223, thus facilitating the combination of the sealing part 220 and the supporting part 210.

In one embodiment, the TWS headset 10 further includes a tuning net 400, the tuning net 400 is disposed at the second end 211b of the sound channel 211, and the sealing portion 220 is disposed around the tuning net 400.

On the one hand, tuning net 400 can play the tuning effect, improves the audio, and on the other hand, tuning net 400 also can play dustproof effect, reduces the risk of external pollutant pollution microphone 300. Also, the sealing part 220 is disposed around the tuning net 400, and the sealing part 220 may clamp the tuning net 400 using its own softer characteristic.

Of course, in other embodiments, the tuning net 400 may be disposed at the second end 211b of the sound channel 211 in other forms.

In one embodiment, as shown in fig. 3, the mounting cavity 110 has a mounting groove 130 extending inward from a cavity wall, the microphone sleeve 200 is disposed in the mounting groove 130, and the mounting groove 130 facilitates positioning and mounting of the microphone sleeve 200.

As shown in fig. 2 and 3, in one embodiment, the sound inlet 120 is disposed opposite to the first end 211a of the sound channel 211 and extends to the tail end of the housing 100. When the user wears the TWS earphone 10, the head end of the casing 100 is close to the ear of the user, and the tail end of the casing 100 is close to the mouth of the user, so that the sound emitted by the user can be more accurately transmitted to the microphone 300 through the sound inlet 120 by arranging the sound inlet 120 at the tail end of the casing 100, and meanwhile, the sound emitted by the user can enter the sound inlet 120 after being transmitted for a shorter distance due to the fact that the sound inlet 120 is closer to the mouth of the user, so that the external noise influence can be reduced.

As shown in fig. 3, in one embodiment, the TWS earphone 10 further includes a circuit board 500, the circuit board 500 is disposed inside the mounting cavity 110, the circuit board 500 is provided with a through hole 510, the microphone sleeve 200 is disposed on one side of the circuit board 500, and the second end 211b of the sound channel 211 is disposed opposite to the through hole 510, and the microphone 300 is disposed on the other side of the circuit board 500, and is disposed opposite to the through hole 510.

As shown in fig. 1 to 4, in the TWS earphone 10 of the present utility model, when external sound enters the TWS earphone 10 through the sound inlet 120, the sound passes through the sound channel 211 and is received by the microphone 300. The supporting portion 210 is harder to support the sealing portion 220, so as to reduce the risk of air leakage of the sealing portion 220 due to deformation, and the softer sealing portion 220 can be abutted against the wall of the mounting cavity 110 to have a better sealing effect. In addition, since the supporting portion 210 is made of a harder material, the risk of deformation of the sound channel 211 can be reduced, and excellent acoustic performance can be ensured.

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 TWS headset, comprising:

the shell is provided with an installation cavity and a sound inlet communicated with the installation cavity;

the microphone sleeve is arranged in the installation cavity, the microphone sleeve comprises a supporting part provided with a sound channel and a sealing part sleeved outside the supporting part, the hardness of the supporting part is greater than that of the sealing part, the first end of the sound channel is communicated with the sound inlet, and the sealing part is propped against the cavity wall of the installation cavity; and

the microphone is arranged in the installation cavity and opposite to the second end of the sound channel.

2. The TWS earphone of claim 1, wherein the sealing portion is provided with a sound inlet hole disposed opposite to the first end of the sound channel, and a first seal ring is formed on the sealing portion, the first seal ring being disposed around an end of the sound inlet hole remote from the sound channel, the first seal ring being held against between the support portion and a cavity wall of the mounting cavity.

3. The TWS headset of claim 1, wherein an axial direction of the first end of the sound channel is disposed at an angle to an axial direction of the second end of the sound channel.

4. The TWS headset of claim 3, wherein the sound channel includes a first channel and a second channel in communication with the first channel, an inlet of the first channel in communication with the sound inlet, an outlet of the second channel disposed opposite the microphone, and an angle of the first channel to the second channel is between 60 ° -120 °.

5. The TWS earphone according to claim 1, wherein the sealing portion is provided with a through hole provided opposite to the third end of the sound passage, and a second seal ring is formed on the sealing portion, the second seal ring being provided around an end of the through hole remote from the sound passage, the second seal ring being held against between the support portion and a cavity wall of the mounting cavity;

6. The TWS earphone of claim 1, wherein the sealing portion is formed with a positioning groove, and the support portion is disposed in the positioning groove.

7. The TWS headset of claim 1, further comprising a tuning net disposed at a second end of the sound channel, and wherein the seal is disposed around the tuning net.

8. The TWS earphone of claim 1, wherein the mounting cavity has a mounting slot extending inwardly from a wall of the mounting cavity, and wherein the microphone sleeve is disposed within the mounting slot.

9. The TWS earphone of claim 1, wherein the sound inlet aperture is disposed opposite the first end of the sound channel and extends to a rear end of the housing.

10. The TWS headset of claim 1, further comprising a circuit board disposed within the mounting cavity, the circuit board having a via hole, the microphone sleeve disposed on one of the circuit board and having a second end of the sound channel disposed opposite the via hole, the microphone disposed on the other side of the circuit board and disposed opposite the via hole.