CN204145702U - A kind of earphone - Google Patents
A kind of earphone Download PDFInfo
- Publication number
- CN204145702U CN204145702U CN201420513011.5U CN201420513011U CN204145702U CN 204145702 U CN204145702 U CN 204145702U CN 201420513011 U CN201420513011 U CN 201420513011U CN 204145702 U CN204145702 U CN 204145702U
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- bass
- earphone
- back cavity
- loudspeaker monomer
- cavity
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Abstract
The utility model discloses a kind of earphone, comprise loudspeaker monomer, the audio signal wire be electrically connected with described loudspeaker monomer, receive the shell of described loudspeaker monomer, and lay protecgulum on the housing; Space between described protecgulum and described loudspeaker monomer forms the front operatic tunes, and the space between described shell and described loudspeaker monomer forms the rear operatic tunes; The wherein said rear operatic tunes is divided into main back cavity and bass back cavity by partition, acoustic conducting pipe is laid in the cavity of described bass back cavity, the curved sigmoid of described acoustic conducting pipe is filled in the cavity of described bass back cavity, its one end is connected with described main back cavity by the through hole of described partition, and the other end is in communication with the outside by the acoustic aperture of rushing down on chamber enclosure after described bass.The Headphone structure that the technical program provides effectively raises low frequency performance and the frequency performance of earphone, and on the basis ensureing earphone stability, makes earphone tool profile more attractive in appearance.
Description
Technical field
The utility model relates to audio frequency apparatus technical field, particularly a kind of earphone with bass back cavity.
Background technology
Along with the portable type electronic products such as high-quality smart mobile phone, Pad are widely used in routine work life, the requirement of people's pair earphone supporting with it is also more and more higher, not only require that its bodily form is small and exquisite, more requiring that it possesses can the high-fidelity tonequality performance of the various audio of reproduction true to nature, and therefore high-fidelity headphone just becomes market trend.Earphone is divided into In-Ear, ear-sticking and half In-Ear by the difference of wearing mode; potential security risk background sound Undersensing caused because built-in earplug wearing comfort is poor, when using; and considering hearing protection, ear-sticking and half built-in earplug are more and more subject to the welcome of consumer.
Naturally occurring sound leakage between earphone and duct during owing to wearing, can make the low frequency performance of ear-sticking/half In-Ear Headphones not enough under normal circumstances.Existing solution normally by increasing the size of the extension of collecting audio signal wire, making audio signal wire extension become and possessing the acoustic conducting pipe strengthening bass effect; Or connect back cavity volume and extraneous acoustic conducting pipe structure the equidirectional increase of audio signal wire extension one.But earphone size can be made so comparatively large, affect attractive in appearance, and usually be fixed in back cavity by the mode of toe-in due to audio signal wire, toe-in can cause blocking in various degree to acoustic conducting pipe thus affect implementation result.
Utility model content
The utility model embodiment provides a kind of earphone, to solve the problem that in prior art, the low frequency performance of earphone is poor, size is large.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of earphone, comprises loudspeaker monomer, the audio signal wire be electrically connected with described loudspeaker monomer, receives the shell of described loudspeaker monomer, and lays protecgulum on the housing; Space between described protecgulum and described loudspeaker monomer forms the front operatic tunes, and the space between described shell and described loudspeaker monomer forms the rear operatic tunes;
The described rear operatic tunes is divided into main back cavity and bass back cavity by partition, and described partition has several through hole, is used for connecting described bass back cavity and described main back cavity;
Described main back cavity receives described loudspeaker monomer, and its chamber wall has the sound regulating hole be in communication with the outside;
The shell of described bass back cavity have in the position away from described loudspeaker monomer be in communication with the outside rush down acoustic aperture;
In the cavity of described bass back cavity, lay acoustic conducting pipe, described acoustic conducting pipe one end is connected with described main back cavity by the through hole of described partition, and the other end is in communication with the outside by the acoustic aperture of rushing down on chamber enclosure after described bass.
Preferably, described loudspeaker monomer involving vibrations system and magnetic circuit system, described vibrational system comprises vibrating diaphragm; The monomer shell of described loudspeaker monomer is provided with perforate, the air-flow on rear side of described vibrating diaphragm can be communicated with the described rear operatic tunes by described perforate.
Preferably, described bass back cavity is formed by with the main body of described earphone one and the side cover that is separated, and wherein said side cover is made up of enclosing cover and the lining lid that is positioned at enclosing cover inside.
Preferably, described acoustic conducting pipe is bending to be layed in after described bass on cavity main body, by leading sound track and described lining lid surrounds jointly; Described lead sound track comprise be located at described bass after tool two parallel side walls composition at regular intervals of extending in the same way of curved shape on cavity main body, its one end is connected with described main back cavity by the through hole on described partition, and the other end is in communication with the outside by the acoustic aperture of rushing down on chamber enclosure after described bass; Described sidewall is provided with several reference column, for lining lid described in location and installation.
Preferably, leading sound track described in is arranged on the madial wall of cavity main body after described bass, with cavity main body integrated injection molding after described bass.
Preferably, described lining lid is metal material or plastic material, with described sound track of leading by pasting or the mode secure bond of ultrasonic bonding.
In technique scheme, described shell comprises the extension only playing and accommodate described audio signal wire, described extension one end is described partition, described audio signal wire to be placed in described main back cavity by the tone frequency channel wire threading port on described partition and to be electrically connected with described loudspeaker monomer, the described extension other end is fixed part, described fixed part and described extension secure bond, earphone handle is jointly formed with described extension, described audio signal wire passes described fixed part again through after described extension, and realize fixing described audio signal wire by described fixed part.
Preferably, the internal diameter of described extension and the external diameter of described audio signal wire close.
Preferably, described earphone is also provided with the damping sheets rushing down acoustic aperture described in covering; Described damping sheets is bonded on the madial wall of cavity main body after described bass, is mainly used in dust-proof; Described earphone is also provided with the tuning sheet material covering described sound regulating hole, and described tuning sheet material is bonded on the madial wall of described shell, is mainly used in regulating acoustical behavior.
The beneficial effect of the utility model embodiment is: compared with the earphone of traditional structure, the rear operatic tunes is divided into main back cavity and the bass back cavity playing enhancing earphone bass effect by increasing partition by the earphone that the utility model embodiment provides, and in the cavity of described bass back cavity, lay the acoustic conducting pipe of curved sigmoid, to make full use of the spatial volume of described bass back cavity, thus make the bass performance of earphone more excellent, meanwhile, the object improving earphone intermediate frequency tonequality can be reached again.
In preferred version, described earphone also comprises the extension only playing collecting audio signal wire, compared with the earphone of traditional structure, described extension does not have the structure being communicated with the rear operatic tunes and extraneous bass reinforced pipe, and do not need on described extension, arrange the through hole being communicated with the external world, and by making the external diameter of the internal diameter of described extension and described audio signal wire close, make the Outside Dimensions of earphone handle less, be conducive to ensureing that product has good outward appearance; Meanwhile, because described acoustic conducting pipe and described audio signal wire are accommodated by different structures, avoid because the factor of audio signal wire toe-in is to the interference of acoustic conducting pipe, thus ensure the stability of earphone.
Accompanying drawing explanation
Earphone each parts decomposition texture schematic diagram that Fig. 1 provides for the utility model embodiment;
The earphone perspective view that Fig. 2 provides for the utility model embodiment;
The earphone schematic appearance that Fig. 3 provides for the utility model embodiment;
The earphone bass back cavity perspective view that Fig. 4 provides for the utility model embodiment;
The earphone bass back cavity stereochemical structure schematic top plan view that Fig. 5 provides for the utility model embodiment;
Wherein identical Reference numeral indicates identical part.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model execution mode is described in further detail.
The utility model provides the structure of a kind of ear-sticking and half In-Ear Headphones enhancing bass acoustic performance, and undoubtedly, the principle that other headset types also can be set forth according to following embodiment carries out the design of bass acoustic performance boost.
As Fig. 1 ~ Fig. 5 jointly shown in, the earphone that the utility model embodiment provides comprises loudspeaker monomer 101, the audio signal wire 102 be electrically connected with described loudspeaker monomer 101, receive the shell 1 of described loudspeaker monomer 101, and the protecgulum 2 be laid on described shell 1, wherein said loudspeaker monomer 101 involving vibrations system and magnetic circuit system, described vibrational system comprises vibrating diaphragm; Described protecgulum 2 is arranged at the side of described loudspeaker monomer 101 vibrating diaphragm, and the space between described loudspeaker monomer 101 forms the front operatic tunes II, the described front operatic tunes II is communicated with the phonate hole on described protecgulum 2, and the sound that described loudspeaker monomer 101 is produced can be transferred to the external world; Described shell 1 is positioned at the side of described vibrating diaphragm away from described protecgulum 2, and the space between described loudspeaker monomer 101 forms the rear operatic tunes I; Described loudspeaker monomer 101 also comprises the monomer shell of the fixing described vibrational system of collecting and magnetic circuit system, and described monomer shell is provided with perforate, and the air-flow on rear side of described vibrating diaphragm can be communicated with the described rear operatic tunes I by described perforate.
The described rear operatic tunes I is divided into main back cavity 11 and bass back cavity 12 by partition, and described partition has several through hole, is used for connecting described bass back cavity 12 and described main back cavity 11; Described main back cavity 11 receives described loudspeaker monomer 101, its chamber wall has the sound regulating hole 400 be in communication with the outside;
The shell of described bass back cavity 12 have in the position away from described loudspeaker monomer 101 be in communication with the outside rush down acoustic aperture 300; In the cavity of described bass back cavity 12, lay acoustic conducting pipe 301, described acoustic conducting pipe 301 one end is connected with described main back cavity 11 by the through hole of described partition, and the other end is in communication with the outside by the acoustic aperture 300 of rushing down on described bass back cavity 12 shell.
In one preferred embodiment, the curved sigmoid of described acoustic conducting pipe 301 is filled in the cavity of described bass back cavity 12, to make full use of the volume of described bass back cavity 12.
In another preferred embodiment, described bass back cavity 12 is formed by with main body 13 part and the side cover that is separated of earphone one, and wherein said side cover is made up of enclosing cover 16 and the lining lid 15 that is positioned at enclosing cover 16 inside.Particularly, described acoustic conducting pipe 301 is bending to be layed in described bass back cavity 12 main body 13, by leading sound track 302 and described lining lid 15 surrounds jointly; Described sound track 302 of leading comprises and is located at tool two parallel side walls 303 at regular intervals that the curved shape in described bass back cavity 12 main body 13 extends in the same way and forms, its one end is connected with described main back cavity 11 by the through hole on described partition, and the other end is in communication with the outside by the acoustic aperture 300 of rushing down on described bass back cavity 12 shell; Described sidewall 303 is provided with several reference column 304, for serving as a contrast lid 15 described in location and installation; Wherein said lining lid 15 can be metal material, leads the mode secure bond of sound track 302 by pasting with described; Or be plastic material, with the described sound track 302 of leading by pasting or the mode secure bond of ultrasonic bonding, to ensure the air-tightness of described acoustic conducting pipe 301, thus guarantee the bass effect of described earphone; Described enclosing cover 16 and described lining lid 15 are by mode secure bond that is gluing or ultra-sonic welded.
Preferably, leading sound track 302 described in is arranged on the madial wall of described bass back cavity 12 main body 13, with described bass back cavity 12 main body 13 integrated injection molding.
Described preferred embodiment, by the curved sigmoid of described acoustic conducting pipe 301 is filled in the cavity of described bass back cavity 12, lead sound track 302 and described lining lid 15 secure bond forms described acoustic conducting pipe 301 described in using simultaneously, to make full use of the volume of described bass back cavity 12, thus ensure the inside dimension of described acoustic conducting pipe 301, improve the accuracy manufacturing described earphone.
It should be noted that, described earphone is also provided with the damping sheets 303 rushing down acoustic aperture 300 described in covering, and described damping sheets 303 is bonded on the madial wall of described bass back cavity 12 main body 13, is mainly used in dust-proof; Described damping sheets 303 is the sound-resistance material that the acoustic impedances such as screen cloth, sponge or nonwoven fabrics are less, can reduce the acoustic impedance of described damping sheets 303 to greatest extent to the infringement of described acoustic conducting pipe 301 low-frequency effect.
Described earphone is also provided with the tuning sheet material 401 covering described sound regulating hole 400, and described tuning sheet material 401 is bonded on the madial wall of described shell 1, is mainly used in regulating acoustical behavior; Described tuning sheet material 401 is the sound-resistance materials such as screen cloth, sponge or nonwoven fabrics, the parameter of this sound-resistance material can with the impedance matching of the impedance of described acoustic conducting pipe 301 and described main back cavity 11, regulate the acoustical behavior of described earphone intermediate frequency.
The length of described acoustic conducting pipe 301 is in the number range of 1mm-100mm, internal diameter is in the number range of 0.1mm-10mm, make the ratio of the acoustic mass of described acoustic conducting pipe 301 and impedance enough large, in enough low low frequency frequency range, the acoustic impedance of described acoustic conducting pipe 301 is dominated by acoustic mass, forms best low frequency sound effect; The acoustic mass of wherein said acoustic conducting pipe 301 is directly proportional to its length, with square being inversely proportional to of its internal diameter, the impedance of described acoustic conducting pipe 301 is directly proportional to its length, with 4 equation of n th order n inverse ratios of its internal diameter, the length of described acoustic conducting pipe 301 refers to the length of its center line, after internal diameter refers to and described acoustic conducting pipe 301 is equivalent to the identical round tubular structure of cross-sectional area, the inside diameter of described tubular structure; Make the bass back cavity 12 comprising described acoustic conducting pipe 301 can provide enough large acoustic mass and the damping of magnificence for described earphone, after connecting with the acoustic mass of described loudspeaker monomer 101, with described loudspeaker monomer 101 compliance generation resonance, to improve the low-frequency effect of described earphone.
Another preferred embodiment, described shell 1 also comprises the extension 20 only playing and accommodate described audio signal wire 102, the internal diameter of described extension 20 and the external diameter of described audio signal wire 102 close; Described extension 20 one end is described partition, described audio signal wire 102 to be placed in described main back cavity 11 by tone frequency channel wire 102 threading port on described partition and to be electrically connected with described loudspeaker monomer 101, described extension 20 other end is fixed part 21, described fixed part 21 and described extension 20 secure bond, jointly earphone handle is formed with described extension 20, described audio signal wire 102 passes described fixed part 21 again through after described extension 20, and realizes fixing described audio signal wire 102 by described fixed part 21.
In this preferred embodiment, because described extension 20 only plays the effect of accommodating described audio signal wire 102, do not have and in traditional structure, be communicated with the structures such as the rear operatic tunes I and extraneous bass reinforced pipe, and the internal diameter of described extension 20 and the external diameter of described audio signal wire 102 close, therefore, it is less that the size of described extension 20 can be arranged, and meets the requirement to earphone outward appearance under particular case; Be communicated with extraneous perforate because do not need to arrange on described extension 20 or described fixed part 21 again, the Outside Dimensions of earphone handle can be made less, and the earphone therefore in the present embodiment has better outward appearance.
In above preferred embodiment, because described acoustic conducting pipe 301 is received by different structures from described audio signal wire 102, avoid the impact of the factor such as toe-in in headset designs process, it also avoid the interference of audio signal wire 102 pairs of acoustic conducting pipes 301, ensure that the stability of whole earphone.
In sum, compared with the earphone of traditional structure, the rear operatic tunes is divided into main back cavity and the bass back cavity playing enhancing earphone bass effect by increasing partition by the earphone that the utility model embodiment provides, and in the cavity of described bass back cavity, lay the acoustic conducting pipe of curved sigmoid, to make full use of the spatial volume of described bass back cavity, thus make the bass performance of earphone more excellent, meanwhile, the object improving earphone intermediate frequency tonequality can be reached again.In addition, in preferred version, described earphone also comprises the extension only playing collecting audio signal wire, compared with the earphone of traditional structure, described extension does not have the structure being communicated with the rear operatic tunes and extraneous bass reinforced pipe, and does not need on described extension, arrange the extraneous through hole of connection, and by making the external diameter of the internal diameter of described extension and described audio signal wire close, make the Outside Dimensions of earphone handle less, be conducive to ensureing that product has good outward appearance; Meanwhile, because described acoustic conducting pipe and described audio signal wire are accommodated by different structures, avoid because the factor of audio signal wire toe-in is to the interference of acoustic conducting pipe, thus ensure the stability of earphone.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit protection range of the present utility model.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., be all included in protection range of the present utility model.
Claims (10)
1. an earphone, comprises loudspeaker monomer, the audio signal wire be electrically connected with described loudspeaker monomer, receives the shell of described loudspeaker monomer, and lays protecgulum on the housing; Space between described protecgulum and described loudspeaker monomer forms the front operatic tunes, and the space between described shell and described loudspeaker monomer forms the rear operatic tunes; It is characterized in that,
The described rear operatic tunes is divided into main back cavity and bass back cavity by partition, and described partition has several through hole, is used for connecting described bass back cavity and described main back cavity;
Described main back cavity receives described loudspeaker monomer, and its chamber wall has the sound regulating hole be in communication with the outside;
The shell of described bass back cavity have in the position away from described loudspeaker monomer be in communication with the outside rush down acoustic aperture;
In the cavity of described bass back cavity, lay acoustic conducting pipe, described acoustic conducting pipe one end is connected with described main back cavity by the through hole of described partition, and the other end is in communication with the outside by the acoustic aperture of rushing down on chamber enclosure after described bass.
2. earphone according to claim 1, is characterized in that, described loudspeaker monomer involving vibrations system and magnetic circuit system, and described vibrational system comprises vibrating diaphragm; The monomer shell of described loudspeaker monomer is provided with perforate, the air-flow on rear side of described vibrating diaphragm can be communicated with the described rear operatic tunes by described perforate.
3. earphone according to claim 1, is characterized in that, described bass back cavity is formed by with the main body of described earphone one and the side cover that is separated, and wherein said side cover is made up of enclosing cover and the lining lid that is positioned at enclosing cover inside.
4. earphone according to claim 3, is characterized in that, described acoustic conducting pipe is bending to be layed in after described bass on cavity main body, by leading sound track and described lining lid surrounds jointly;
Described lead sound track comprise be located at described bass after tool two parallel side walls composition at regular intervals of extending in the same way of curved shape on cavity main body, its one end is connected with described main back cavity by the through hole on described partition, and the other end is in communication with the outside by the acoustic aperture of rushing down on chamber enclosure after described bass;
Described sidewall is provided with several reference column, for lining lid described in location and installation.
5. earphone according to claim 4, is characterized in that, described in lead sound track and be arranged on the madial wall of cavity main body after described bass, with cavity main body integrated injection molding after described bass.
6. earphone according to claim 4, is characterized in that, described lining lid is metal material or plastic material, with described sound track of leading by pasting or the mode secure bond of ultrasonic bonding.
7. the earphone according to any one of claim 1-6, it is characterized in that, described shell comprises the extension only playing and accommodate described audio signal wire, described extension one end is described partition, described audio signal wire to be placed in described main back cavity by the tone frequency channel wire threading port on described partition and to be electrically connected with described loudspeaker monomer, the described extension other end is fixed part, described fixed part and described extension secure bond, earphone handle is jointly formed with described extension, described audio signal wire passes described fixed part again through after described extension, and realize fixing described audio signal wire by described fixed part.
8. earphone according to claim 7, is characterized in that, the internal diameter of described extension and the external diameter of described audio signal wire close.
9. earphone according to claim 1, is characterized in that, described earphone is also provided with the damping sheets rushing down acoustic aperture described in covering; Described damping sheets is bonded on the madial wall of cavity main body after described bass, is mainly used in dust-proof.
10. earphone according to claim 1, is characterized in that, described earphone is also provided with the tuning sheet material covering described sound regulating hole, and described tuning sheet material is bonded on the madial wall of described shell, is mainly used in regulating acoustical behavior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513011.5U CN204145702U (en) | 2014-09-05 | 2014-09-05 | A kind of earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513011.5U CN204145702U (en) | 2014-09-05 | 2014-09-05 | A kind of earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204145702U true CN204145702U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420513011.5U Withdrawn - After Issue CN204145702U (en) | 2014-09-05 | 2014-09-05 | A kind of earphone |
Country Status (1)
| Country | Link |
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| CN (1) | CN204145702U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244130A (en) * | 2014-09-05 | 2014-12-24 | 歌尔声学股份有限公司 | Earphone |
| CN105979419A (en) * | 2016-06-20 | 2016-09-28 | 歌尔股份有限公司 | Waterproof and dustproof denoising earphone |
| CN106210952A (en) * | 2016-08-25 | 2016-12-07 | 歌尔股份有限公司 | A kind of tuning earphone |
| CN107231585A (en) * | 2016-03-25 | 2017-10-03 | 富祐鸿科技股份有限公司 | Headphone structure |
| CN109936791A (en) * | 2019-02-15 | 2019-06-25 | 安克创新科技股份有限公司 | Earphone |
| CN112104936A (en) * | 2019-06-17 | 2020-12-18 | 深圳市三诺声智联股份有限公司 | Earphone set |
| WO2023034627A1 (en) * | 2021-09-04 | 2023-03-09 | Bose Corporation | Earphone port |
-
2014
- 2014-09-05 CN CN201420513011.5U patent/CN204145702U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244130A (en) * | 2014-09-05 | 2014-12-24 | 歌尔声学股份有限公司 | Earphone |
| CN104244130B (en) * | 2014-09-05 | 2018-05-22 | 歌尔股份有限公司 | A kind of earphone |
| CN107231585A (en) * | 2016-03-25 | 2017-10-03 | 富祐鸿科技股份有限公司 | Headphone structure |
| CN105979419A (en) * | 2016-06-20 | 2016-09-28 | 歌尔股份有限公司 | Waterproof and dustproof denoising earphone |
| CN105979419B (en) * | 2016-06-20 | 2022-06-10 | 歌尔股份有限公司 | Waterproof dirt-proof earphone of making an uproar that falls |
| CN106210952A (en) * | 2016-08-25 | 2016-12-07 | 歌尔股份有限公司 | A kind of tuning earphone |
| CN106210952B (en) * | 2016-08-25 | 2019-03-29 | 歌尔股份有限公司 | A kind of tuning earphone |
| CN109936791A (en) * | 2019-02-15 | 2019-06-25 | 安克创新科技股份有限公司 | Earphone |
| CN112104936A (en) * | 2019-06-17 | 2020-12-18 | 深圳市三诺声智联股份有限公司 | Earphone set |
| WO2023034627A1 (en) * | 2021-09-04 | 2023-03-09 | Bose Corporation | Earphone port |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150204 Effective date of abandoning: 20180522 |