CN221127461U - Microphone hole wind noise prevention structure - Google Patents
Microphone hole wind noise prevention structure Download PDFInfo
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- CN221127461U CN221127461U CN202322791065.XU CN202322791065U CN221127461U CN 221127461 U CN221127461 U CN 221127461U CN 202322791065 U CN202322791065 U CN 202322791065U CN 221127461 U CN221127461 U CN 221127461U
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- 230000002265 prevention Effects 0.000 title claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 239000000565 sealant Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 7
- 239000003292 glue Substances 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a microphone hole wind noise prevention structure, which comprises: the microphone comprises a shell, a cover body, a main board and a conversation microphone, wherein the cover body is covered on the shell and forms a closed space with the shell, the main board is positioned in the closed space, and the conversation microphone is arranged on the main board; the external air flow is discharged outwards through the first sound pickup hole or the second sound pickup hole. The structure of the utility model ensures that the external air flow entering the microphone hole can not directly lead to the call microphone, but is discharged through the microphone hole penetrating through the shell, thereby ensuring the clarity of the voice in the call. The front windward is avoided, the influence of external air flow on the microphone holes is reduced, and the structure is simple and practical and is convenient for production.
Description
Technical field:
the utility model relates to the technical field of earphone noise reduction, in particular to a microphone hole wind noise prevention structure.
The background technology is as follows:
At present, the problem of wind noise in the communication of the Bluetooth headset is always puzzled in the whole headset industry, and when the Bluetooth headset is used for listening to music or answering a call in a windy environment, the condition of unclear sound listening often occurs, so that the using effect of the Bluetooth headset is greatly reduced. Therefore, in the earphone market, in order to reduce the environmental noise and improve the sound quality of earphone output, more and more wireless Bluetooth earphone products are layered endlessly, and many Bluetooth earphone has active noise reduction function and microphone call function.
Among them, the existing bluetooth headset is more common in that the direction of the opening of the microphone directly leads to the position of the talking microphone. The chinese patent publication No. CN208707887U discloses a main board fixing structure of a bluetooth headset, which includes: the second sound sensing port is positioned at the bottom of the arch-shaped channel and is perpendicular to the trend of the arch-shaped channel, so that sound is introduced into the second sound sensing port of the microphone from the second sound inlet at the tail end of the handle of the earphone shell. The sealing sleeve is provided with a cavity matched with the shapes of the second microphone and the tail part of the electronic component mounting part, and the tail part of the electronic component mounting part and the second microphone are inserted into the cavity of the sealing sleeve and are fixed in a sealing way; the first sound inlet and the second sound inlet are not on the same plane and are oriented differently, so that the realization of the double-microphone noise reduction function is ensured.
But this kind of current bluetooth headset mainboard fixed knot constructs owing to its self structural feature, has following not enough: 1. because the air flow can be directly communicated with the conversation microphone, air flow vortex is easily formed near the conversation microphone, so that conversation quality is reduced, and the use experience of a user is affected.
2. Because the direction of the opening of the communication microphone hole is consistent with the direction of the rod body, the microphone hole is extremely easy to be influenced by air flow when in use, and then the problems of wind noise such as distortion and the like are generated.
In view of this, the present inventors have proposed the following means.
The utility model comprises the following steps:
The utility model aims to overcome the defects of the prior art and provides a microphone hole wind noise prevention structure.
In order to solve the technical problems, the utility model adopts the following technical scheme: a microphone hole wind noise prevention structure, comprising: the microphone comprises a shell, a cover body, a main board and a conversation microphone, wherein the cover body is covered on the shell and forms a closed space with the shell, the main board is positioned in the closed space, and the conversation microphone is arranged on the main board; the external air flow is discharged outwards through the first sound pickup hole or the second sound pickup hole.
Furthermore, in the above technical solution, the noise reduction chamber is located between the first sound pickup hole and the second sound pickup hole and is used for reducing external airflow.
Furthermore, in the above technical solution, a first through hole for transmitting external sound is formed at one end of the main board, which is close to the call microphone.
Furthermore, in the above technical solution, a cavity opening is provided on a side of the noise reduction cavity, which is close to the main board, and the cavity opening is communicated with the first through hole.
Furthermore, in the above technical solution, a sealant is adhered between the opening of the cavity and the first through hole.
Furthermore, in the above technical solution, the cover body is formed with a latch, and the housing is formed with a slot for matching with the latch.
In the above technical solution, the microphone hole is formed with a first opening and a second opening on the surface of the housing.
In the above technical solution, the surface of the housing has a curved surface, and the first opening and the second opening are located on the curved surface.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, in the structural implementation mode, the microphone hole transversely penetrating the shell is arranged at the lower end of the shell, the microphone hole comprises the first sound pickup hole, the second sound pickup hole and the noise reduction cavity, the first sound pickup hole and the second sound pickup hole are communicated with the outside, the noise reduction cavity is communicated with the conversation microphone, so that a three-way structure is formed, and when external air flow enters at high speed, wind can form a passage without affecting conversation. The outside air flow entering the microphone hole can not directly lead to the conversation microphone, but is discharged through the microphone hole penetrating through the shell, so that the design can prevent the air flow from impacting the conversation microphone, thereby effectively preventing wind noise and ensuring the clarity of voice in conversation. Secondly, the trompil direction of miaow hole has avoided openly windward, and the miaow hole that has significantly reduced receives outside air current's influence, has avoided wind noise such as distortion problem to the structure is succinct practical, the production of being convenient for.
Description of the drawings:
FIG. 1 is a cross-sectional view of the present utility model;
Fig. 2 is an enlarged view of fig. 1 at a.
FIG. 3 is an exploded view of the present utility model;
fig. 4 is a perspective view of the present utility model.
The specific embodiment is as follows:
the utility model will be further described with reference to specific examples and figures.
Referring to fig. 1 to 4, a microphone hole wind noise prevention structure comprises: the microphone comprises a shell 1, a cover body 2, a main board 3 and a conversation microphone 4, wherein the cover body 2 is covered on the shell 1 and forms an enclosed space with the shell 1, the main board 3 is positioned in the enclosed space, and the conversation microphone 4 is arranged on the main board 3; the outside air flow is discharged outward through the first sound pickup hole 51 or the second sound pickup hole 52. In the structural implementation mode, the microphone hole 5 transversely penetrating through the shell 1 is arranged at the lower end of the shell 1, the microphone hole 5 comprises the first pickup hole 51, the second pickup hole 52 and the noise reduction cavity 6, the first pickup hole 51 and the second pickup hole 52 are communicated with the outside, the noise reduction cavity 6 is communicated with the conversation microphone 4, so that a three-way structure is formed, when external air flow enters at high speed, air can form a passage, the external air flow entering the microphone hole 5 can not directly lead to the conversation microphone 4, but is discharged through the microphone hole 5 penetrating through the shell 1, the design can prevent the external air flow from impacting the conversation microphone 4, thereby effectively preventing wind noise, and external sound can be normally transmitted to the conversation microphone 4, so that the clarity of human voice in conversation can be ensured, and no influence is caused on conversation. Secondly, the trompil direction of miaow hole 5 is roughly perpendicular to the axial direction of casing 1, that is to say, miaow hole 5 has avoided frontal windward, has significantly reduced miaow hole 5 receives the influence of outside air current, has avoided wind noise such as distortion problem to the structure is succinct practical, the production of being convenient for.
The noise reduction chamber 6 is provided with a chamber opening 8 near one side of the main board 3, and the chamber opening 8 is communicated with the first through hole 7. The noise reduction chamber 6 is located between the first sound pickup hole 51 and the second sound pickup hole 52 and serves to slow down the outside air flow. The noise reduction chamber 6 is square, and the design can enable the external air flow entering along the first pickup hole 51 to gather or form vortex at corners, and then flow out along the second pickup hole 52, so that the noise reduction chamber can still effectively prevent wind noise and ensure the conversation quality when the noise reduction chamber is used in special scenes such as outdoors, running at high speed or riding in a windy day.
The end of the main board 3 close to the conversation microphone 4 is provided with a first through hole 7 for introducing external sound. This facilitates the access of the microphone aperture 5 to the talk microphone 4.
A sealant 9 is adhered between the cavity opening 8 and the first through hole 7. The sealing glue 9 is added to strengthen the sealing performance, one surface of the sealing glue 9, which is close to the noise reduction cavity 6, is provided with the circular groove 91, and the circular groove 91 ensures that the sealing glue 9 can not block human voice while separating external air flow, so that the phenomenon of sound leakage is prevented.
The cover body 2 is provided with a latch 21, and the shell 1 is provided with a slot 22 for matching with the latch 21. When the microphone is worn, the cover body 2 is far away from the cheek of a wearer and is close to the outer side, and the main external airflow impact is faced, and the latch 21 and the clamping groove 22 can enhance the sound insulation effect after being buckled, so that the cover body 2 is prevented from being deviated left and right in use, and the microphone 4 is prevented from being interfered by other surrounding noise.
A plurality of protruding blocks 25 are formed on the edge of the cover body 2, and a groove 24 is formed between the two protruding blocks 25; the shell 1 is internally provided with the latch 23 matched with the groove 24, the latch 23 is clamped with the groove 24 to prevent the cover body 2 from shifting back and forth in use, and the fixing mode well enhances the durability and the tightness of the product.
The microphone holes 5 are formed with a first opening 5A and a second opening 5B on the surface of the housing 1. The first opening 5A and the second opening 5B are distributed on the surface of the shell 1 in a "()" shape, when the shell 1 is worn, the shell is close to the cheek of a wearer, the impact of external air flow is less, and the receiving degree of human voice is higher.
The surface of the shell 1 is provided with a curved surface, and the first opening 5A and the second opening 5B are positioned on the curved surface. The surface of the shell 1 is provided with a curved surface, so that a wearer can feel more comfortable and convenient when using the product; the first opening 5A and the second opening 5B are located on curved surfaces, further reducing the influence of external air flow.
Three reason fastener 10 are installed on the casing 1, reason fastener 10 is used for guiding inside wiring, avoids inside wiring to appear winding scheduling problem, and then the effectual life who increases this product.
In summary, in the structural implementation manner, the microphone hole 5 transversely penetrating through the housing 1 is arranged at the lower end of the housing 1, the microphone hole 5 comprises the first pickup hole 51, the second pickup hole 52 and the noise reduction cavity 6, the first pickup hole 51 and the second pickup hole 52 are communicated with the outside, the noise reduction cavity 6 is communicated with the call microphone 4, so that a three-way structure is formed, when external air flow enters at high speed, air can form a passage, so that the external air flow entering the microphone hole 5 can not directly lead to the call microphone 4, but can be discharged through the microphone hole 5 penetrating through the housing 1, and the design can prevent the air flow from impacting the call microphone 4, thereby effectively preventing wind noise, ensuring the definition of human voice in the call, and not affecting the call. The noise reduction chamber 6 is square, and the design can enable the external air flow entering along the first pickup hole 51 to gather or form vortex at corners, and then flow out along the second pickup hole 52, so that the noise reduction chamber can still effectively prevent wind noise and ensure the conversation quality when the noise reduction chamber is used in special scenes such as outdoors, running at high speed or riding in a windy day. Secondly, the trompil direction of miaow hole 5 is roughly perpendicular to the axial direction of casing 1, that is to say, miaow hole 5 has avoided frontal windward, has significantly reduced miaow hole 5 receives the influence of outside air current, has avoided wind noise such as distortion problem to the structure is succinct practical, the production of being convenient for.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (8)
1. A microphone hole wind noise prevention structure, comprising: the microphone is characterized in that one end of the shell (1) close to the conversation microphone (4) is formed with a microphone hole (5) transversely penetrating through the shell (1), and the microphone hole (5) comprises a first sound collecting hole (51), a second sound collecting hole (52) and a noise reduction cavity (6), and external sound is transmitted into the conversation microphone (4) through the microphone hole (5); the external air flow is discharged to the outside through the first sound pickup hole (51) or the second sound pickup hole (52).
2. A microphone hole wind noise prevention structure according to claim 1, wherein: the noise reduction chamber (6) is located between the first sound pickup hole (51) and the second sound pickup hole (52) and is used for reducing external air flow.
3. A microphone hole wind noise prevention structure according to claim 1, wherein: a first through hole (7) for transmitting external sound is formed in one end, close to the conversation microphone (4), of the main board (3).
4. A microphone hole wind noise prevention structure according to claim 1, wherein: the noise reduction cavity (6) is close to one side of the main board (3) and provided with a cavity opening (8), and the cavity opening (8) is communicated with the first through hole (7).
5. The microphone orifice wind noise prevention structure according to claim 4, wherein: and a sealant (9) is stuck between the cavity opening (8) and the first through hole (7).
6. A microphone hole wind noise prevention structure according to claim 1, wherein: the cover body (2) is provided with a latch (21) in a forming mode, and the shell (1) is provided with a clamping groove (22) matched with the latch (21).
7. A microphone aperture wind noise protection structure according to any of claims 1-6, wherein: the microphone hole (5) is provided with a first opening (5A) and a second opening (5B) on the surface of the shell (1).
8. The microphone orifice wind noise prevention structure according to claim 7, wherein: the surface of the shell (1) is provided with a curved surface, and the first opening (5A) and the second opening (5B) are positioned on the curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322791065.XU CN221127461U (en) | 2023-10-17 | 2023-10-17 | Microphone hole wind noise prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322791065.XU CN221127461U (en) | 2023-10-17 | 2023-10-17 | Microphone hole wind noise prevention structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221127461U true CN221127461U (en) | 2024-06-11 |
Family
ID=91336237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322791065.XU Active CN221127461U (en) | 2023-10-17 | 2023-10-17 | Microphone hole wind noise prevention structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221127461U (en) |
-
2023
- 2023-10-17 CN CN202322791065.XU patent/CN221127461U/en active Active
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