CN209283451U - A kind of noise cancelling headphone - Google Patents
A kind of noise cancelling headphone Download PDFInfo
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- CN209283451U CN209283451U CN201920210451.6U CN201920210451U CN209283451U CN 209283451 U CN209283451 U CN 209283451U CN 201920210451 U CN201920210451 U CN 201920210451U CN 209283451 U CN209283451 U CN 209283451U
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- guiding hole
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Abstract
The utility model discloses a kind of noise cancelling headphones, including shell, inner casing and the phonation unit being mounted in inner casing, the bottom margin of the shell is equipped with annular ear pad and forms ante-chamber, the inside of inner casing forms inner cavity, back cavity is formed between the outer surface of inner casing and the inner surface of shell, the first air-guiding hole is equipped between ante-chamber and inner cavity is connected the two gas circuit, the second air-guiding hole is equipped between ante-chamber and back cavity is connected the two gas circuit, third air-guiding hole is equipped between inner cavity and back cavity is connected the two gas circuit, the 4th air-guiding hole is equipped between back cavity and shell exterior is connected the two gas circuit, first air-guiding hole, second air-guiding hole, third air-guiding hole, adjustable sound paper is filled in 4th air-guiding hole.The utility model structure novel, so that ante-chamber, inner cavity, back cavity and earphone outside air is mutually led to and is pressed by air-guiding hole, improve the wear comfort of user, optimizes user experience, adjustable sound paper is filled in air-guiding hole effectively external noise to be isolated, and reinforce noise reduction effect.
Description
Technical field
The utility model relates to headphone acoustic technical fields, are specifically related to a kind of noise cancelling headphone.
Background technique
Earphone is a pair of of converting unit, it receives the electric signal that media player or receiver are issued, using close to ear
Piece loudspeaker convert it into the sound wave that can be heard, it is usually separable with media player, utilize plug to connect
It connects.Benefit is can to listen to sound equipment alone in the case where not influencing other people；Also the sound that ambient enviroment can be separated, to recording
The people that room, DJ, journey, movement etc. use under noisy environment of making an uproar is helpful.Earphone original be for phone and radio, but with
Portable electronic devices it is prevailing, earphone is chiefly used in mobile phone, walkman, radio, portable electronic game sum digit reproducing apparatus for phonotape
Deng.
The rapid development and popularization and application of portable communication, audio-visual devices, people to the quality requirement of earphone increasingly
Height, the noise reduction effect especially for earphone are to measure an important indicator of headphone quality quality, and current noise cancelling headphone is more
Number using sealing means by Noise insulati on outside, but listening environments obtain sealing while can also generate acoustic pressure inside and outside earphone
Uneven problem, influences noise reduction effect, while biggish acoustic pressure power causes to oppress to the ear-drum of user, influences comfort level.
Utility model content
The utility model is to overcome above situation insufficient, it is desirable to provide a kind of technical solution that can solve the above problem.
A kind of noise cancelling headphone, including shell, inner casing and the phonation unit being mounted in inner casing, the bottom sides of the shell
Edge is equipped with annular ear pad and forms ante-chamber, and the inside of inner casing forms inner cavity, shape between the outer surface of inner casing and the inner surface of shell
The first air-guiding hole is equipped at back cavity, between ante-chamber and inner cavity is connected the two gas circuit, and the second wind-guiding is equipped between ante-chamber and back cavity
Hole both makes gas circuit conducting, and third air-guiding hole is equipped between inner cavity and back cavity be connected gas circuit, back cavity and shell exterior it
Between be equipped with the 4th air-guiding hole and both make gas circuit conducting, the first air-guiding hole, the second air-guiding hole, third air-guiding hole, in the 4th air-guiding hole
It is filled with adjustable sound paper.
Further, first air-guiding hole runs through the bottom of shell and ante-chamber is connected with inner cavity gas circuit.
Further, second air-guiding hole is connected to the bottom of shell and the top of inner casing and makes ante-chamber and back cavity gas circuit
Conducting.
Further, the third air-guiding hole runs through the top of inner casing and inner cavity is connected with back cavity gas circuit.
Further, the 4th air-guiding hole runs through the top of shell and back cavity is connected with shell exterior gas circuit.
Compared with prior art, what the utility model obtained has the beneficial effect that the utility model structure novel, passes through wind-guiding
Hole makes ante-chamber, inner cavity, back cavity and earphone outside air mutually lead to and press, and improves the wear comfort of user, optimizes user
It experiences, effectively external noise can be isolated for filling adjustable sound paper in air-guiding hole, reinforce noise reduction effect.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of noise cancelling headphone of the utility model.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1, a kind of noise cancelling headphone, including shell 1, inner casing 2 and the phonation unit 21 being mounted in inner casing 2,
The bottom margin of the shell 1 is equipped with annular ear pad 3 and forms ante-chamber, and the inside of inner casing 2 forms inner cavity, the outer surface of inner casing 2
Back cavity is formed between the inner surface of shell 1, the first air-guiding hole 4 is equipped between ante-chamber and inner cavity is connected the two gas circuit, ante-chamber
The second air-guiding hole 5 is equipped between back cavity is connected the two gas circuit, and third air-guiding hole 6 is equipped between inner cavity and back cavity makes the two gas
Road conducting, the 4th air-guiding hole 7 is equipped between back cavity and shell exterior is connected the two gas circuit, the first air-guiding hole 4, the second air-guiding hole
5, third air-guiding hole 6, adjustable sound paper 8 is filled in the 4th air-guiding hole 7.
Further, first air-guiding hole 4 runs through the bottom of shell 1 and ante-chamber is connected with inner cavity gas circuit.
Further, second air-guiding hole 5 is connected to the bottom of shell 1 and the top of inner casing 2 and makes ante-chamber and back cavity
Gas circuit conducting.
Further, the third air-guiding hole 6 runs through the top of inner casing 5 and inner cavity is connected with back cavity gas circuit.
Further, the 4th air-guiding hole 7 runs through the top of shell 1 and back cavity is connected with shell exterior gas circuit.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of noise cancelling headphone, including shell, inner casing and the phonation unit being mounted in inner casing, which is characterized in that described outer
The bottom margin of shell is equipped with annular ear pad and forms ante-chamber, and the inside of inner casing forms inner cavity, the outer surface of inner casing and shell it is interior
Back cavity is formed between surface, the first air-guiding hole is equipped between ante-chamber and inner cavity is connected the two gas circuit, sets between ante-chamber and back cavity
There is the second air-guiding hole both to make gas circuit conducting, third air-guiding hole is equipped between inner cavity and back cavity be connected gas circuit, back cavity and
The 4th air-guiding hole is equipped between shell exterior both makes gas circuit conducting, the first air-guiding hole, the second air-guiding hole, third air-guiding hole, the
Adjustable sound paper is filled in four air-guiding holes.
2. a kind of noise cancelling headphone according to claim 1, which is characterized in that first air-guiding hole runs through the bottom of shell simultaneously
Ante-chamber is connected with inner cavity gas circuit.
3. a kind of noise cancelling headphone according to claim 1, which is characterized in that second air-guiding hole is connected to the bottom of shell
With the top of inner casing and ante-chamber is connected with back cavity gas circuit.
4. a kind of noise cancelling headphone according to claim 1, which is characterized in that the third air-guiding hole runs through the top of inner casing simultaneously
Inner cavity is connected with back cavity gas circuit.
5. a kind of noise cancelling headphone according to claim 1, which is characterized in that the 4th air-guiding hole runs through the top of shell simultaneously
Back cavity is connected with shell exterior gas circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210451.6U CN209283451U (en) | 2019-02-19 | 2019-02-19 | A kind of noise cancelling headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210451.6U CN209283451U (en) | 2019-02-19 | 2019-02-19 | A kind of noise cancelling headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209283451U true CN209283451U (en) | 2019-08-20 |
Family
ID=67606220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920210451.6U Active CN209283451U (en) | 2019-02-19 | 2019-02-19 | A kind of noise cancelling headphone |
Country Status (1)
| Country | Link |
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| CN (1) | CN209283451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640211A (en) * | 2019-02-19 | 2019-04-16 | 深圳市澜科创科技有限公司 | A kind of noise cancelling headphone |
-
2019
- 2019-02-19 CN CN201920210451.6U patent/CN209283451U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640211A (en) * | 2019-02-19 | 2019-04-16 | 深圳市澜科创科技有限公司 | A kind of noise cancelling headphone |
| CN109640211B (en) * | 2019-02-19 | 2024-03-12 | 深圳市澜科创科技有限公司 | Noise reduction earphone |
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