CN208609154U - A kind of front and rear miaow noise cancelling headphone - Google Patents
A kind of front and rear miaow noise cancelling headphone Download PDFInfo
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- CN208609154U CN208609154U CN201821145867.6U CN201821145867U CN208609154U CN 208609154 U CN208609154 U CN 208609154U CN 201821145867 U CN201821145867 U CN 201821145867U CN 208609154 U CN208609154 U CN 208609154U
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- miaow
- loudspeaker
- cover
- rear cover
- pickup hole
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- 208000027418 Wounds and injury Diseases 0.000 description 3
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- 230000000694 effects Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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Abstract
The utility model relates to ear phone technology fields, specifically disclose a kind of front and rear 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, audio control circuit plate and the horn assembly connecting respectively with audio control circuit plate, preposition noise reduction components and postposition noise reduction components is additionally provided between the ear muff and rear cover；The horn assembly includes speaker front cover, loudspeaker rear cover and loudspeaker, and the loudspeaker are set between speaker front cover and loudspeaker rear cover, and the speaker front cover is equipped with preceding miaow pickup hole；The preposition noise reduction components are set in preceding miaow pickup hole, the postposition noise reduction components are set in rear cover pickup hole, the audio control circuit plate is set in rear cover, the utility model gives audio control circuit plate by the way that preposition noise reduction components and postposition noise reduction components are arranged to pick up noise feedback, opposite signal is generated by original noise cancellation by loudspeaker, guarantees original tone color.
Description
Technical field
The utility model relates to ear phone technology field more particularly to a kind of front and rear 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, but when being worn on ear due to earphone, phonation unit ante-chamber vibrating diaphragm, ear muff, formed between auricle one it is close
Space is closed, because ear muff or the opposite swing of ear, confined space are because of Loudspeaker diaphragm vibration and air pressure change etc. in confined space
Factor can generate noise, while external environment can be because of relative motion, air-flow variation or with space transfer, such as crosses tunnel and send out
Changing generates noise, and noise can cover normal music, reduces the music experience of earphone user, and some are artificial
The interference for eliminating noise, will increase volume, this further increases the burdens of ear, influence the hearing of user.
Utility model content
In view of the above technical problems, the utility model provides one kind and effectively eliminates noise, guarantees the front and back of music true qualities
Set miaow noise cancelling headphone.
In order to solve the above-mentioned technical problem, concrete scheme provided by the utility model is as follows: a kind of front and rear miaow noise reduction ear
Machine, including wear ring and respectively with the auricular concha wearing ring left and right ends and connect, the auricular concha include the ear muff mutually fastened and after
Lid, covered after described equipped with rear cover pickup hole, be additionally provided between the ear muff and rear cover audio control circuit plate and respectively with
Horn assembly, preposition noise reduction components and the postposition noise reduction components of audio control circuit plate connection；The horn assembly includes loudspeaker
Front cover, loudspeaker rear cover and loudspeaker, the loudspeaker are set between speaker front cover and loudspeaker rear cover, and the speaker front cover is equipped with preceding miaow and picks up
Sound hole；The preposition noise reduction components are set in preceding miaow pickup hole, and the postposition noise reduction components are set in rear cover pickup hole, the sound
Frequency control circuit plate is set in rear cover.
Preferably, the preposition noise reduction components include preposition miaow and preceding miaow soft rubber cover, and the preceding miaow soft rubber cover is set to preposition
Between miaow and preceding miaow pickup hole, it is poor that preceding miaow soft rubber cover can absorb assembler, while to assemble after by the compression of preposition miaow
Tighter, stability in use is stronger.
Preferably, the postposition noise reduction components include postposition miaow, rear miaow soft rubber cover and the miaow circuit board connecting with postposition miaow,
Miaow soft rubber cover is set between postposition miaow and rear cover pickup hole after described, and the miaow circuit board covers after being fixedly installed in, and rear miaow is soft
It is poor that gum cover can absorb assembler, while making assembly tighter after by the compression of postposition miaow, and stability in use is stronger.
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.
Preferably, the speaker front cover and loudspeaker rear cover are to be tightly connected, and are covered after the loudspeaker equipped with bleeder port, loudspeaker
After sealing, be conducive to completely cut off influence of the external cavity fit-up gap to loudspeaker rear chamber air leakage amount, setting bleeder port is conducive to control
The consistency of fit-up gap processed.
Preferably, the postposition miaow is equipped with rear miaow pickup hole, and the rear miaow pickup hole face rear cover pickup hole is conducive to
Pick up ambient external noise in preceding miaow pickup hole.
Preferably, the position of the speaker front cover face loudspeaker is equipped with translucent region, is conducive to the transmitting of sound or music.
Preferably, edge of the preceding miaow pickup hole set on translucent region, translucent region face loudspeaker, so translucent area
The edge in domain corresponds to the bass zone of loudspeaker, so that noise reduction effect is more preferable.
Preferably, the angular range between the opening and loudspeaker in the preceding miaow pickup hole is 0-90 degree, can be according to specific
Angle design between opening and loudspeaker of the earphone internal structure to adjust preceding miaow pickup hole.
Compared with prior art, the utility model has the beneficial effects that: 1, the preposition miaow of setting picks up ear muff because of compression
The noise signal that the reasons such as friction generate, and these noise signals feedback is subjected to operation into audio control circuit plate and is repaired
Just, setting postposition miaow, which picks up the environmental noise signal outside earphone and feeds back, arrives audio main control board, then is produced by horn assembly
Raw opposite signal balances out original noise signal, to guarantee the true qualities of music, maximizing reduces noise to music original
The destruction of color and injury to ear；
2, 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；
3, edge of the preceding miaow pickup hole set on translucent region, translucent region face loudspeaker, so the edge in translucent region
The bass zone for locating corresponding loudspeaker, so that noise reduction effect is more preferable.
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 the ear shell structure schematic diagram of embodiment one；
Fig. 4 is ear shell structure side view；
Fig. 5 is A-A sectional view in Fig. 4；
Fig. 6 is the enlarged drawing of part B in Fig. 5；
Fig. 7 is the ear shell structure schematic diagram of embodiment one；
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 audio frequency control
Circuit board；4 be horn assembly；41 be speaker front cover；411 be preceding miaow pickup hole；412 be translucent region；42 be loudspeaker rear cover；
421 be bleeder port；43 be loudspeaker；5 be preposition noise reduction components；51 be preposition miaow；52 be preceding miaow soft rubber cover；6 be postposition noise reduction group
Part；61 be postposition miaow；611 be rear miaow pickup hole；62 be postposition soft rubber cover；63 be miaow circuit board；7 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. 6, present embodiments provide a kind of front and rear miaow noise cancelling headphone, including wear ring and respectively with head
Wear ring left and right ends connection auricular concha, auricular concha includes the ear muff and rear cover mutually fastened, after cover equipped with rear cover pickup hole, ear muff
Audio control circuit plate and the horn assembly connecting respectively with audio control circuit plate, preposition noise reduction are additionally provided between rear cover
Component and postposition noise reduction components；Horn assembly includes speaker front cover, loudspeaker rear cover and loudspeaker, and loudspeaker are set to speaker front cover and loudspeaker
Between rear cover, speaker front cover is equipped with preceding miaow pickup hole；Preposition noise reduction components are set in preceding miaow pickup hole, and postposition noise reduction components are set to
In rear cover pickup hole, audio control circuit plate is set in rear cover.
Specifically, earphone, during wearing, ear muff can generate noise because of reasons such as compression frictions, and external environment also can
Because of relative motion, air-flow variation or usually on a vehicle with space transfer, such as crosses tunnel and changes and generate noise,
Rear cover pickup hole is arranged in rear cover in the present embodiment miaow pickup hole before speaker front cover is arranged, and before preposition noise reduction components are set to
The noise signal that ear muff is generated by reasons such as compression frictions is picked up in miaow pickup hole, postposition noise reduction components are set in rear cover pickup hole
It picks up the noise that external environment generates, preposition noise reduction components and postposition noise reduction components and gives the noise feedback of pickup to audio frequency control electricity
Road plate, after the operation and amendment of audio control circuit plate, loudspeaker generate opposite signal and support original noise signal
Disappear, to guarantee the true qualities of music, maximizing reduces destruction of the noise to music primary colors and the injury to ear, needs to illustrate
, operation and the amendment part of audio control circuit plate, due to being technology more mature in this field.So herein no longer
Repeat its specific principle of noise reduction.
The preposition noise reduction components of the present embodiment include preposition miaow and preceding miaow soft rubber cover, and preceding miaow soft rubber cover is set to preposition miaow with before
Between miaow pickup hole, it is poor that preceding miaow soft rubber cover can absorb assembler, while making assembly tighter after by the compression of preposition miaow, makes
It is stronger with stability；Postposition noise reduction components include that postposition miaow, rear miaow soft rubber cover and the miaow circuit board connecting with postposition miaow, rear miaow are soft
Gum cover is set between postposition miaow and rear cover pickup hole, and miaow circuit board covers after being fixedly installed in, and rear miaow soft rubber cover can absorb dress
Allotment of labor is poor, while making assembly tighter after by the compression of postposition miaow, and stability in use is stronger.
In order to improve earphone service life, damage of the external impurities to rear cover pickup hole internal part function, this reality are prevented
Apply in the rear cover pickup hole of example and be additionally provided with dust-proof translucent net, as shown in fig. 6, be successively arranged in rear cover pickup hole dust-proof translucent net,
Miaow soft rubber cover and postposition miaow afterwards, postposition miaow are equipped with rear miaow pickup hole, and rear miaow pickup hole face rear cover pickup hole is conducive to preceding miaow
Pick up ambient external noise in pickup hole.
Speaker front cover and loudspeaker rear cover are to be tightly connected, and are covered after loudspeaker equipped with bleeder port, after loudspeaker sealing, be conducive to every
Exhausted influence of the external cavity fit-up gap to loudspeaker rear chamber air leakage amount, setting bleeder port are conducive to control the consistent of fit-up gap
Property.
In the present embodiment, the position of speaker front cover face loudspeaker is equipped with translucent region, is conducive to the transmitting of sound or music,
Preceding miaow pickup hole is set to the edge in translucent region, translucent region face loudspeaker, so the edge in translucent region corresponds to loudspeaker
Bass zone so that noise reduction effect is more preferable.
Angular range between the opening and loudspeaker in preceding miaow pickup hole is 0-90 degree, can be according to specific earphone internal structure
Come the angle design between the opening and loudspeaker in miaow pickup hole before adjusting, in the present embodiment, the opening face loudspeaker in preceding miaow pickup hole
, i.e., the angle between the opening and loudspeaker in preceding miaow pickup hole is 0, as shown in Figure 3.
Embodiment two:
The present embodiment is similar to embodiment one, the difference is that, the opening and loudspeaker in the preceding miaow pickup hole in the present embodiment
Be vertical relation, i.e., before miaow pickup hole opening and loudspeaker between angle be 90 degree, as shown in fig. 7, specifically, preceding miaow picks up
The aperture position setting of sound hole can be adjusted according to actual needs.
In conclusion the utility model structure is simple, it modularization or can be additional on product, assembling is produced in design
Difficulty and cost reduce, and in user's use aspect, stability is excellent, promote the music appreciation aesthetic feeling of product, reduce noise pair
The injury of ear.
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 (9)
1. a kind of front and rear miaow noise cancelling headphone, including wear ring (1) and respectively with the auricular concha wearing ring (1) left and right ends and connect
(2), it is characterised in that: the auricular concha (2) includes the ear muff (21) and rear cover (22) mutually fastened, and the rear cover (22) is equipped with
Rear cover pickup hole (221), be additionally provided between the ear muff (21) and rear cover (22) audio control circuit plate (3) and respectively with sound
Horn assembly (4), preposition noise reduction components (5) and the postposition noise reduction components (6) of frequency control circuit plate (3) connection；
The horn assembly (4) includes speaker front cover (41), loudspeaker rear cover (42) and loudspeaker (43), and the loudspeaker (43) are set to loudspeaker
Between front cover (41) and loudspeaker rear cover (42), the speaker front cover (41) is equipped with preceding miaow pickup hole (411)；
The preposition noise reduction components (5) are set in preceding miaow pickup hole (411), and the postposition noise reduction components (6) are set to rear cover pickup
In hole (221), the audio control circuit plate (3) is set in rear cover (22).
2. front and rear miaow noise cancelling headphone according to claim 1, it is characterised in that: the preposition noise reduction components (5) include
Preposition miaow (51) He Qianmi soft rubber cover (52), the preceding miaow soft rubber cover (52) are set to preposition miaow (51) He Qianmi pickup hole (411)
Between.
3. front and rear miaow noise cancelling headphone according to claim 1, it is characterised in that: the postposition noise reduction components (6) include
Postposition miaow (61), rear miaow soft rubber cover (62) and the miaow circuit board (63) being connect with postposition miaow (61), the rear miaow soft rubber cover (62)
Between postposition miaow (61) and rear cover pickup hole (221), the miaow circuit board (63) is fixedly installed on rear cover (22).
4. front and rear miaow noise cancelling headphone according to claim 1, it is characterised in that: in rear cover pickup hole (221) also
Equipped with dust-proof translucent net (7).
5. front and rear miaow noise cancelling headphone according to claim 1, it is characterised in that: after the speaker front cover (41) and loudspeaker
Covering (42) is to be tightly connected, and the loudspeaker rear cover (42) is equipped with bleeder port (421).
6. front and rear miaow noise cancelling headphone according to claim 3, it is characterised in that: the postposition miaow (61) is equipped with rear miaow
Pickup hole (611), described rear miaow pickup hole (611) face rear cover pickup hole (221).
7. front and rear miaow noise cancelling headphone according to claim 1, it is characterised in that: speaker front cover (41) the face loudspeaker
(43) position is equipped with translucent region (412).
8. front and rear miaow noise cancelling headphone according to claim 7, it is characterised in that: the preceding miaow pickup hole (411) is set to
The edge of translucent region (412).
9. front and rear miaow noise cancelling headphone according to claim 1, it is characterised in that: preceding miaow pickup hole (411) are opened
Angular range between mouth and loudspeaker (43) is 0-90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145867.6U CN208609154U (en) | 2018-07-19 | 2018-07-19 | A kind of front and rear miaow noise cancelling headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145867.6U CN208609154U (en) | 2018-07-19 | 2018-07-19 | A kind of front and rear miaow noise cancelling headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208609154U true CN208609154U (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821145867.6U Expired - Fee Related CN208609154U (en) | 2018-07-19 | 2018-07-19 | A kind of front and rear miaow noise cancelling headphone |
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| Country | Link |
|---|---|
| CN (1) | CN208609154U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351625A (en) * | 2019-07-12 | 2019-10-18 | 深圳市升弘创新科技有限公司 | A kind of physics denoising device, method and application based on gas bleeder valve |
| WO2021031119A1 (en) * | 2019-08-20 | 2021-02-25 | 深圳市魅动智能股份有限公司 | Noise-canceling headphones |
-
2018
- 2018-07-19 CN CN201821145867.6U patent/CN208609154U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351625A (en) * | 2019-07-12 | 2019-10-18 | 深圳市升弘创新科技有限公司 | A kind of physics denoising device, method and application based on gas bleeder valve |
| WO2021031119A1 (en) * | 2019-08-20 | 2021-02-25 | 深圳市魅动智能股份有限公司 | Noise-canceling headphones |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 |