CN209233997U - A kind of rough air elimination structure with porous material - Google Patents
A kind of rough air elimination structure with porous material Download PDFInfo
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- CN209233997U CN209233997U CN201822077853.1U CN201822077853U CN209233997U CN 209233997 U CN209233997 U CN 209233997U CN 201822077853 U CN201822077853 U CN 201822077853U CN 209233997 U CN209233997 U CN 209233997U
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- porous material
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- cavity
- rough air
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Abstract
The utility model provides a kind of rough air elimination structure with porous material, including sound hole, lead acoustic form and microphone mounting hole, the microphone mounting hole is for installing ear microphone, the acoustic form of leading includes the first interconnected cavity and leads sound channel, first cavity is directed at sound hole, it is described to lead sound channel alignment microphone mounting hole, porous material is equipped in first cavity, the aperture in each hole is not all the same on the porous material.When user speaks against sound hole, sound wave is entered in the cavity for leading acoustic form with rough air from sound hole, and the intracorporal porous material of chamber absorbs the flowed energy of different frequency, to weaken rough air；Rough air after sound wave and decrease enters in the microphone mounting hole of microphone mounting structure by leading sound channel, and the rough air entered in microphone mounting hole in this way is just very faint, and the generation wind that will not rub substantially with the microphone in microphone mounting hole be made an uproar.
Description
Technical field
The utility model relates to earphone manufacturing field, in particular to a kind of rough air with porous material eliminates structure.
Background technique
When people are busy with one's work or are inconvenient to pick up mobile phone, converse usually using earphone.At present on the market
Ear microphone be usually provided in earphone sound hole, earphone sound hole is usually provided on the shell of Radiationproof screening apparatus for back-located antenna mobile telephone, this causes
When being conversed using earphone, the rough air breathed out when user speaks is easily accessible in sound hole and microphone friction user
It generates wind to make an uproar, so as to cause speech quality decline, reduces user experience.More seriously, when user use outdoors earphone into
When row call, the rough air that the external world is blown over can be blown to generates a large amount of friction with microphone in sound hole, to generate a large amount of
Wind make an uproar, the voice fuzzy for causing microphone to receive is unclear, so that speech quality degradation, greatly reduces user's body
It tests.
Utility model content
Rough air and ear microphone friction production can be improved the technical problem to be solved by the present invention is to provide a kind of
Give birth to the structure for this case that wind is made an uproar.
In order to solve the above technical problems, the utility model provides a kind of rough air elimination structure with porous material, packet
It includes sound hole, lead acoustic form and microphone mounting hole, the microphone mounting hole is described to lead sound knot for installing ear microphone
Structure includes the first interconnected cavity and leads sound channel, and first cavity is directed at sound hole, described to lead sound channel alignment wheat
Gram wind mounting hole is equipped with porous material in first cavity, and the aperture in each hole is not all the same on the porous material.
Preferably, the porous material is equipped with multilayer, and the aperture in the hole on each layer porous material is different.
Preferably, the sound channel of leading includes interconnected first leading sound channel and second and leading sound channel, and described first
Sound channel and second is led to lead between sound channel equipped with turning.
Preferably, described second lead between sound channel and microphone mounting hole be equipped with the second cavity, second cavity
Cross-sectional area is greater than the second cross-sectional area for leading sound channel.
Preferably, the shape of first cavity is arc-shaped.
The utility model has the following beneficial effects: sound wave is disturbed with what user breathed out when user speaks against sound hole
It takes offence stream or the extraneous rough air blown over enters in the cavity for leading acoustic form from sound hole, the intracorporal porous material of chamber passes through
The hole of different pore size absorbs the flowed energy of different frequency, to weaken rough air；Rough air warp after sound wave and decrease
It crosses and leads sound channel and enter in the microphone mounting hole of microphone mounting structure, enter the disturbance gas in microphone mounting hole in this way
Stream is just very faint, and the generation wind that will not rub substantially with the microphone in microphone mounting hole be made an uproar.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the rough air with porous material eliminates structure；
Fig. 2 is the cross-sectional view of the line A-A along Fig. 1.
Description of symbols: 1- shell；2- leads acoustic form；3- microphone mounting structure；11- sound hole；The first chamber of 21-
Body；22- first leads sound channel；23- second leads sound channel；The second cavity of 24-；25- porous material；31- microphone mounting hole.
Specific embodiment
Include shell 1, lead acoustic form 2 and microphone installation as shown in Figure 1, the rough air with porous material eliminates structure
Structure 3, wherein shell 1 is equipped with sound hole 11.Rough air with porous material eliminate the cross-sectional view of structure as shown in Fig. 2,
Acoustic form 2 is led to include the first cavity 21 being sequentially communicated, first lead sound channel 22, second lead sound channel 23 and the second cavity 24,
Wherein, the first cavity 21 is arc-shaped, and to meet aerodynamic design, reduces turbulent flow.Multilayer is equipped in first cavity 21
The porous material 25 being made of sponge, foam, flannelette or other materials, the aperture in each hole is not all the same on porous material 25,
And the aperture in the hole on each layer porous material is different, such porous material 25 can absorb the flowed energy of different frequency.
Sound hole 11 in first cavity, 21 alignment housings 1, first, which leads sound channel 22 and second, leads between sound channel 23 equipped with turning.Wheat
Gram wind mounting structure 3, which is equipped with microphone mounting hole 31 and is inserted into for ear microphone (not shown), to be installed, and acoustic form 2 is led
On the second cavity 24 alignment microphone mounting structure 3 on microphone mounting hole 31, and the cross-sectional area of the second cavity 24 is big
In the cross-sectional area that second leads sound channel 23.
When user speaks against sound hole 11, rough air or the extraneous rough air blown over that sound wave is breathed out with user
It enters and is led in the first cavity 21 of acoustic form 2 from sound hole 11, after sound wave and rough air enter the first cavity 21, first
Porous material in cavity 21 absorbs the flowed energy of different frequency by the different hole in aperture, so that rough air tentatively subtracts
It is weak；Rough air after preliminary decrease leads sound channel 22 and second first and leads sound channel 23 after first leads sound channel 22
Between corner weaken again, the rough air after weakening again leads sound channel 23 and comes the second cavity 24 by second；It disturbs
It takes offence and flows through the microphone mounting hole 31 that the second cavity 24 enters on microphone mounting structure 3, by microphone mounting hole 31
Signal processing system is transmitted to after ear microphone collected sound signal, rough air is when by the second cavity 24, due to second
The cross-sectional area of cavity 24 is greater than the second cross-sectional area for leading sound channel 23, therefore rough air can slow down after coming the second cavity 24
Speed, so that rough air will not be rushed in microphone mounting hole 31.After above-mentioned process, microphone mounting hole is entered
Rough air in 31 is very faint, can be ignored substantially, will not thus have rough air and microphone friction to produce substantially
Raw wind is made an uproar.
Claims (5)
1. a kind of rough air with porous material eliminates structure, it is characterised in that: including sound hole, lead acoustic form and microphone
Mounting hole, for the microphone mounting hole for installing ear microphone, the acoustic form of leading includes the first interconnected cavity
With lead sound channel, first cavity is directed at sound hole, described to lead sound channel alignment microphone mounting hole, in first cavity
Equipped with porous material, the aperture in each hole is not all the same on the porous material.
2. the rough air according to claim 1 with porous material eliminates structure, it is characterised in that: the porous material
Equipped with multilayer, the aperture in the hole on each layer porous material is different.
3. the rough air according to claim 1 with porous material eliminates structure, it is characterised in that: described to lead sound channel
First including being interconnected, which leads sound channel and second, leads sound channel, and described first, which leads sound channel and second, leads and set between sound channel
There is turning.
4. the rough air according to claim 3 with porous material eliminates structure, it is characterised in that: described second leads sound
The second cavity is equipped between channel and microphone mounting hole, the cross-sectional area of second cavity is greater than the second cross for leading sound channel
Sectional area.
5. the rough air according to claim 1 with porous material eliminates structure, it is characterised in that: first cavity
Shape be arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077853.1U CN209233997U (en) | 2018-12-10 | 2018-12-10 | A kind of rough air elimination structure with porous material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077853.1U CN209233997U (en) | 2018-12-10 | 2018-12-10 | A kind of rough air elimination structure with porous material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209233997U true CN209233997U (en) | 2019-08-09 |
Family
ID=67507128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822077853.1U Active CN209233997U (en) | 2018-12-10 | 2018-12-10 | A kind of rough air elimination structure with porous material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209233997U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112738686A (en) * | 2021-01-29 | 2021-04-30 | 东莞市森麦声学科技有限公司 | Structure for reducing wind dryness of earphone |
| CN113542953A (en) * | 2021-07-21 | 2021-10-22 | 维沃移动通信有限公司 | Microphone noise reduction structure, earphone and electronic equipment |
| WO2022161463A1 (en) * | 2021-01-28 | 2022-08-04 | 镇江贝斯特新材料有限公司 | Porous bulk material and electronic apparatus thereof, and apparatus capable of reducing wind noise and application thereof |
-
2018
- 2018-12-10 CN CN201822077853.1U patent/CN209233997U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022161463A1 (en) * | 2021-01-28 | 2022-08-04 | 镇江贝斯特新材料有限公司 | Porous bulk material and electronic apparatus thereof, and apparatus capable of reducing wind noise and application thereof |
| CN112738686A (en) * | 2021-01-29 | 2021-04-30 | 东莞市森麦声学科技有限公司 | Structure for reducing wind dryness of earphone |
| CN113542953A (en) * | 2021-07-21 | 2021-10-22 | 维沃移动通信有限公司 | Microphone noise reduction structure, earphone and electronic equipment |
| CN113542953B (en) * | 2021-07-21 | 2024-04-16 | 维沃移动通信有限公司 | Microphone noise reduction structure, earphone and electronic equipment |
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