CN208609155U - A kind of postposition miaow noise cancelling headphone - Google Patents
A kind of postposition miaow noise cancelling headphone Download PDFInfo
- Publication number
- CN208609155U CN208609155U CN201821145869.5U CN201821145869U CN208609155U CN 208609155 U CN208609155 U CN 208609155U CN 201821145869 U CN201821145869 U CN 201821145869U CN 208609155 U CN208609155 U CN 208609155U
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- China
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- miaow
- noise reduction
- rear cover
- noise
- loudspeaker
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Abstract
The utility model relates to ear phone technology fields, specifically disclose a kind of postposition miaow noise cancelling headphone, including wear ring and respectively with the auricular concha wearing ring left and right ends and connect, the auricular concha includes the ear muff and rear cover mutually fastened, it is covered after described equipped with rear cover pickup hole, is additionally provided with horn assembly and noise reduction components between the ear muff and rear cover；The noise reduction components include audio main control board and rear noise reduction miaow unit；Noise reduction miaow unit and horn assembly are connect with audio main control board respectively after described；Noise reduction miaow unit is set in rear cover pickup hole after described, the rear noise reduction miaow unit of the utility model, which picks up the environmental noise signal outside earphone and feeds back, arrives audio main control board, audio main control board is after operation and amendment, an opposite signal is generated by horn assembly again to balance out original noise signal, to guarantee the true qualities of music, maximizing reduces destruction of the noise to music primary colors and the injury to ear.
Description
Technical field
The utility model relates to ear phone technology field more particularly to a kind of postposition miaow noise cancelling headphones.
Background technique
Earphone is a kind of device for transmitting audio signal, very widely used, often with the terminals such as mobile phone, computer, MP3
Electronic device fit applications.Along with current living standards of the people raising and science and technology and electronics industry continuous development,
An important standard configuration of the earphone as Music Appreciation, higher requirements are also raised for the performance of earphone by people.
In order to enjoy music whenever and wherever possible, many people wear earphone outdoors to appreciate music, are such as moving, riding
Or when by bus, external environment can be because of relative motion, air-flow variation or with space transfer, such as mistake tunnel and the generation that changes
Noise, noise can cover normal music, reduce the music experience of earphone user, and some artificial elimination noises
Interference, will increase volume, this further increases the burdens of ear, influence the hearing of user.
Utility model content
For above-mentioned technical problem is solved, the utility model provides one kind and effectively eliminates ambient external noise, guarantees sound
The postposition miaow noise cancelling headphone of happy true qualities.
In order to solve the above-mentioned technical problem, concrete scheme provided by the utility model is as follows: a kind of postposition miaow noise cancelling headphone,
Including wearing ring and respectively with the auricular concha wearing ring left and right ends and connect, the auricular concha includes the ear muff and rear cover mutually fastened,
It is covered after described equipped with rear cover pickup hole, is additionally provided with horn assembly and noise reduction components between the ear muff and rear cover；The noise reduction
Component includes audio main control board and rear noise reduction miaow unit；After described noise reduction miaow unit and horn assembly respectively with audio master control
Circuit board connection；Noise reduction miaow unit is set in rear cover pickup hole after described.
Preferably, the miaow circuit board that the rear noise reduction miaow unit includes rear noise reduction miaow and connect with rear noise reduction miaow, after described
Noise reduction miaow is set in rear cover pickup hole, and rear noise reduction miaow is picked up the noise of external environment and fed back by rear cover pickup hole arrives audio master
Control circuit board.
Preferably, noise reduction miaow unit further includes rear miaow soft rubber cover after described, it is described after miaow soft rubber cover be set to rear noise reduction miaow and
Between rear cover pickup hole, it is poor that rear miaow soft rubber cover can absorb assembler, while assembly can be made tighter when being compressed, and improves
Stability in use.
Preferably, the rear noise reduction miaow is equipped with miaow pickup hole, miaow pickup hole face rear cover pickup hole, miaow pickup hole
Pick up ambient external noise.
Preferably, the horn assembly includes speaker front cover, loudspeaker rear cover and loudspeaker, the loudspeaker be set to speaker front cover and
Between loudspeaker rear cover, the speaker front cover and loudspeaker rear cover are to be tightly connected, and the loudspeaker connect audio main control board, loudspeaker
After sealing, be conducive to completely cut off influence of the external cavity fit-up gap to loudspeaker rear chamber air leakage amount.
Preferably, the consistency that fit-up gap is controlled equipped with bleeder port is covered after the loudspeaker.
Preferably, the miaow circuit board covers after being fixed by screws in, and improves connective stability, and then improve and use matter
Amount.
Preferably, be additionally provided with dust-proof translucent net in rear cover pickup hole, prevent external impurities to rear cover pickup hole inside
The damage of component function, improves service life.
Compared with prior art, the utility model has the beneficial effects that: the rear noise reduction miaow unit of 1, the utility model picks up
It takes the environmental noise signal outside earphone and feeds back to audio main control board, audio main control board is by operation and amendment
Afterwards, it then generates an opposite signal by horn assembly to balance out original noise signal, to guarantee the true qualities of music, most
Bigization reduces destruction of the noise to music primary colors and the injury to ear；
2, miaow soft rubber cover after being arranged, rear miaow soft rubber cover are set between rear noise reduction miaow and rear cover pickup hole, can absorb assembly
Work is poor, while assembly can be made tighter when being compressed, and improves stability in use；
3, loudspeaker are sealed, are conducive to completely cut off influence of the external cavity fit-up gap to loudspeaker rear chamber air leakage amount, in loudspeaker
After cover setting bleeder port, control the consistency of fit-up gap.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is ear shell structure explosive view；
Fig. 3 is ear shell structure side view；
Fig. 4 is the A-A sectional view of Fig. 3；
Fig. 5 is the enlarged drawing of part B in Fig. 4；
Wherein, 1 is to wear ring；2 be auricular concha；21 be ear muff；22 be rear cover；221 be rear cover pickup hole；3 be horn assembly；
31 be speaker front cover；32 be loudspeaker rear cover；321 be bleeder port；33 be loudspeaker；4 be noise reduction components；41 be audio governor circuit
Plate；42 be rear noise reduction miaow unit；421 be rear noise reduction miaow；422 be miaow circuit board；4211 be miaow pickup hole；423 be rear miaow flexible glue
Set；5 be dust-proof translucent net.
Specific embodiment
It is right below in conjunction with the attached drawing of the utility model embodiment in order to which the technical solution of the utility model is described in detail
The technical solution of the utility model embodiment carries out clear, complete description.Obviously, described embodiment is the utility model
A part of the embodiment, instead of all the embodiments.Based on described the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained under the premise of being not necessarily to creative work, belongs to the model of the utility model protection
It encloses.
Please refer to Fig. 1-Fig. 5, present embodiments provide a kind of postposition miaow noise cancelling headphone, including wear ring and respectively with wear
The auricular concha of ring left and right ends connection, auricular concha includes the ear muff and rear cover mutually fastened, after cover equipped with rear cover pickup hole, ear muff and
Horn assembly and noise reduction components are additionally provided between rear cover；Noise reduction components include audio main control board and rear noise reduction miaow unit；Afterwards
Noise reduction miaow unit and horn assembly are connect with audio main control board respectively；Noise reduction miaow unit is set in rear cover pickup hole afterwards, after
Noise reduction miaow unit, which mainly picks up earphone ambient external noise signal and feeds back, arrives audio main control board.
Specifically, external environment can be because of relative motion, air-flow variation or usually on a vehicle with space transfer, such as mistake
Tunnel etc. and change, rear noise reduction miaow unit can pick up environmental noise in time and feed back to audio main control board, auricular concha
After cover equipped with rear cover pickup hole, rear noise reduction miaow unit is set in rear cover pickup hole, be conducive to rear noise reduction miaow unit pick up it is outer
The noise of portion's environment.
Horn assembly includes speaker front cover, loudspeaker rear cover and loudspeaker, and loudspeaker are set between speaker front cover and loudspeaker rear cover, loudspeaker
Front cover and loudspeaker rear cover are to be tightly connected, and loudspeaker connect audio main control board, after loudspeaker sealing, are conducive to completely cut off external cavity
Influence of the body fit-up gap to loudspeaker rear chamber air leakage amount is covered after loudspeaker and is set for the ease of controlling the consistency of fit-up gap
Have for specially discouraged bleeder port.
In the specific implementation process, after rear noise reduction miaow unit picks up external noise signal, it is fed back to audio frequency control electricity
Operation and amendment are carried out in the plate of road, then generates an opposite signal by loudspeaker and balances out original noise signal, to protect
The true qualities of music are demonstrate,proved, maximizing reduces destruction of the noise to music primary colors and the injury to ear, it should be noted that audio control
The operation of circuit board processed and amendment part, due to being technology more mature in this field.So details are not described herein, it is specific
Principle of noise reduction.
The rear noise reduction miaow unit of the present embodiment includes rear noise reduction miaow and the miaow circuit board that connect with rear noise reduction miaow, rear noise reduction miaow
In rear cover pickup hole, rear noise reduction miaow is picked up the noise of external environment and fed back by rear cover pickup hole arrives audio governor circuit
Plate, miaow circuit board cover after being fixed by screws in, and improve connective stability, and then improve and use quality.
In order to make to realize better assembly connection effect, the rear noise reduction of the present embodiment between rear noise reduction miaow and rear cover pickup hole
Miaow unit further includes rear miaow soft rubber cover, and rear miaow soft rubber cover is set between rear noise reduction miaow and rear cover pickup hole, and rear miaow soft rubber cover can
It is poor to absorb assembler, while assembly can be made tighter when being compressed, improves stability in use, rear noise reduction miaow is picked up equipped with miaow
Ambient external noise is picked up in sound hole, miaow pickup hole face rear cover pickup hole, miaow pickup hole.
Wherein, it is additionally provided with dust-proof translucent net in rear cover pickup hole, prevents external impurities to rear cover pickup hole internal part function
The damage of energy, improves service life.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
Above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art
Various changes can be made under the premise of objective.
Claims (8)
1. a kind of postposition miaow noise cancelling headphone, including wear ring (1) and respectively with the auricular concha (2) wearing ring (1) left and right ends and connect,
It is characterized by: the auricular concha (2) includes the ear muff (21) and rear cover (22) mutually fastened, the rear cover (22) is equipped with rear cover
Pickup hole (221) is additionally provided with horn assembly (3) and noise reduction components (4) between the ear muff (21) and rear cover (22)；
The noise reduction components (4) include audio main control board (41) and rear noise reduction miaow unit (42)；Noise reduction miaow unit after described
(42) it is connect respectively with audio main control board (41) with horn assembly (3)；
Noise reduction miaow unit (42) is set in rear cover pickup hole (221) after described.
2. postposition miaow noise cancelling headphone according to claim 1, it is characterised in that: after noise reduction miaow unit (42) includes after described
The miaow circuit board (422) of noise reduction miaow (421) He Yuhou noise reduction miaow (421) connection, the rear noise reduction miaow (421) are set to rear cover pickup
In hole (221).
3. postposition miaow noise cancelling headphone according to claim 2, it is characterised in that: noise reduction miaow unit (42) further includes after described
Miaow soft rubber cover (423) afterwards, the rear miaow soft rubber cover (423) are set between rear noise reduction miaow (421) and rear cover pickup hole (221).
4. postposition miaow noise cancelling headphone according to claim 2, it is characterised in that: noise reduction miaow (421) is equipped with miaow after described
Pickup hole (4211), miaow pickup hole (4211) face rear cover pickup hole (221).
5. postposition miaow noise cancelling headphone according to claim 1, it is characterised in that: before the horn assembly (3) includes loudspeaker
(31), loudspeaker rear cover (32) and loudspeaker (33) are covered, the loudspeaker (33) are set between speaker front cover (31) and loudspeaker rear cover (32),
The speaker front cover (31) and loudspeaker rear cover (32) are to be tightly connected, and the loudspeaker (33) connect audio main control board (41).
6. postposition miaow noise cancelling headphone according to claim 5, it is characterised in that: the loudspeaker rear cover (32), which is equipped with, to be lost heart
Hole (321).
7. postposition miaow noise cancelling headphone according to claim 2, it is characterised in that: the miaow circuit board (422) passes through screw
It is fixed on rear cover (22).
8. postposition miaow noise cancelling headphone according to claim 1, it is characterised in that: also set in rear cover pickup hole (221)
There is dust-proof translucent net (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145869.5U CN208609155U (en) | 2018-07-19 | 2018-07-19 | A kind of postposition miaow noise cancelling headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145869.5U CN208609155U (en) | 2018-07-19 | 2018-07-19 | A kind of postposition miaow noise cancelling headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208609155U true CN208609155U (en) | 2019-03-15 |
Family
ID=65669139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821145869.5U Active CN208609155U (en) | 2018-07-19 | 2018-07-19 | A kind of postposition miaow noise cancelling headphone |
Country Status (1)
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| CN (1) | CN208609155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113271516A (en) * | 2021-05-24 | 2021-08-17 | 深圳洪堡科技有限公司 | Noise reduction earphone and squeaking prevention structure thereof |
-
2018
- 2018-07-19 CN CN201821145869.5U patent/CN208609155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113271516A (en) * | 2021-05-24 | 2021-08-17 | 深圳洪堡科技有限公司 | Noise reduction earphone and squeaking prevention structure thereof |
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