CN102014328A - Bone-conduction headphone - Google Patents
Bone-conduction headphone Download PDFInfo
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- CN102014328A CN102014328A CN2010106054577A CN201010605457A CN102014328A CN 102014328 A CN102014328 A CN 102014328A CN 2010106054577 A CN2010106054577 A CN 2010106054577A CN 201010605457 A CN201010605457 A CN 201010605457A CN 102014328 A CN102014328 A CN 102014328A
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Abstract
The invention relates to a bone-conduction headphone which comprises an upper cover (1) and a lower cover (2), wherein the upper cover (1) and the lower cover (2) can form a cavity (4) for containing a bone-conduction loudspeaker assembly (3) after closed; the bone-conduction loudspeaker assembly (3) is arranged in the cavity (4); the lower cover (2) is formed by one-step injection molding and is provided with a vibration plane (21); and the bone-conduction loudspeaker assembly (3) comprises a magnet (31), a coil (32) and a buffering ring (33), wherein the magnet (31) is fastened on the inner wall (211) of the vibration plane (21) of the lower cover (2), the buffering ring (33) is sheathed on the magnet (31) and is provided with the coil (32). The invention has the advantages of almost no noise, deep bass, simple structure and low cost.
Description
Technical field
The present invention relates to a kind of bone conduction earphone, particularly a kind of noise is little, and bass is abundant, and the bone conduction earphone that gives great volume.
Background technology
Traditional PlayGear Stealth generally all is that earphone is attached to ear hole or plug in the ear hole, and earphone is by vibrate air, and air vibrates people's ear-drum again, and sound is passed to human brain.This PlayGear Stealth, owing to need in use earphone to be attached to the ear hole or to fill in the ear hole, like this, during sound in people are listening earphone, outside sound user is difficult to hear, like this, when facing a danger situation, as go across the road, just can't hear the sound of blowing a whistle of automobile, that is quite dangerous; In addition,, can cause people's tinnitus, seriously can cause hearing to descend if this earphone of long-term big volume ground use is influential to people's ear-drum.In order to address the above problem, people have invented a kind of bone conduction earphone, and this earphone is that the signal of telecommunication is become vibration signal, by contacting with the ear bones of human body, make the people hear sound, sound does not need through air borne, therefore, earphone also needn't be attached to the ear hole or fill in the ear hole, like this, when people when using the bone conduction earphone listening, can't influence the auditory function of people's ear, simultaneously, can people's ear-drum not had any impact yet.As the disclosed a kind of bone conduction earphone of Korean Patent document KR10-2010-0097869, a kind of product comes to this, it comprises loam cake (promptly being attached to the lid on the ear bones) and lower cover, in the cavity of described loam cake and lower cover formation, be provided with the bone-conduction speaker assembly, described loam cake is made up of two parts, loam cake main body and metal clips, described metal clips be fixed together by screw, described bone-conduction speaker assembly comprises magnet, coil, the three-jaw elastic component, described magnet is fixedlyed connected with described lower cover, described coil is enclosed within on the described magnet, is provided with the three-jaw elastic component above the skeleton of described coil, and the top of described three-jaw elastic component withstands on the metal clips of described loam cake.When coil electricity, along with the power variation of the signal of telecommunication, described coil is under the effect in magnetic field, coil vibrates, thereby drive described three-jaw elastic component vibration, the top of described three-jaw elastic component makes the metal clips vibration again, thereby can make people's ear bones hear sound.This bone conduction earphone, though be some problems that solved PlayGear Stealth, but, because the restriction of this body structure of this bone conduction earphone, when the volume of this earphone is big slightly, will be between the top and metal clips of three-jaw elastic component, or between metal clips and loam cake main body, produce noise, and influence the purity of sound; In addition, the bass of this bone conduction earphone is bad, makes the people sound uncomfortable, especially when listening to the music, feels that distortion is very serious.
Summary of the invention
The objective of the invention is to overcome above shortcoming, providing a kind of to society does not almost have noise, and bass is abundant, bone conduction earphone simple in structure.
Technical scheme of the present invention is: a kind of bone conduction earphone is provided, comprise loam cake and lower cover (promptly being attached to the lid part on the ear bones), after described loam cake and lower cover fasten, be formed for the cavity of hold bone conduction loudspeaker assembly, in described cavity, be provided with the bone-conduction speaker assembly, described lower cover is a single injection-molded, described lower cover has a plane of oscillation, described bone-conduction speaker assembly comprises magnet, coil and buffering ring, described magnet is fastened on the inwall of the plane of oscillation of described lower cover, on described magnet, be with buffering ring, on described buffering ring, be provided with described coil.
As improvement of the present invention, between the inwall of the plane of oscillation of described lower cover and described magnet, also be provided with metal clips, described metal clips is fixed on the inwall of the described plane of oscillation, and described magnet is fastened on the described metal clips.
As to further improvement of the present invention, described buffering ring is made of sponge; Perhaps make of silica gel; Perhaps use the EVA material; Perhaps make of rubber.
As to further improvement of the present invention, described magnet can be square column type or cylindrical;
Preferably, the longitudinal section of described magnet also can be T shape, and the plane of T shape magnet replaces metal clips directly to be fixed on the inwall of the described plane of oscillation.
Preferably, the longitudinal section of described magnet can also be E shape, and the plane of E shape magnet replaces metal clips directly to be fixed on the inwall of the described plane of oscillation.
In the above-mentioned various scheme, on described magnet, all can also be provided with iron core, to add the magnetic field conduction of strong magnet.Described iron core also can be cylindrical, square column type, T type or E type structure.
The lid part of fitting with otica that the present invention will have bone conduction earphone now, change once injection moulding into by traditional two parts (metal clips and cap body), and the structure that the transmission of sound is withstood on metal clips by traditional coil by the three-jaw elastic component, change into magnet or magnet are added the structure that metal clips is directly fixedlyed connected with the inwall of the plane of oscillation of lower cover, like this, just eliminate generation noise root, fundamentally solved souffle problem; Secondly, directly with the plane of oscillation of lower cover or fixedly connected above the metal clips, another side is gone to the bottom with coil and is fixedlyed connected with the buffering ring one side, like this, when coil vibrated, buffering ring can directly play the effect of buffering to the vibration of coil, so, can enrich the bass component of earphone.The present invention lacks than the number of spare parts of traditional bone conduction earphone, just have simple in structure, advantage with low cost.In sum, the present invention has does not almost have noise, and bass is abundant, advantage simple in structure, with low cost.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present invention.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 is the structural representation of another kind of embodiment of the present invention.
Fig. 4 is the cross-sectional view of Fig. 3.
Fig. 5 is the longitudinal profile structural representation of the T type magnet among the present invention.
Fig. 6 is the longitudinal profile structural representation of the E type magnet among the present invention.
Embodiment
See also Fig. 1 and Fig. 2, what Fig. 1 and Fig. 2 disclosed is a kind of bone conduction earphone, comprise loam cake 1 and lower cover 2 (promptly being attached to the lid part on the ear bones), after described loam cake 1 and lower cover 2 fasten, be formed for the cavity 4 of hold bone conduction loudspeaker assembly 3, in described cavity 4, be provided with bone-conduction speaker assembly 3, characteristics of the present invention are, described lower cover 2 is single injection-moldeds, described lower cover 2 has a plane of oscillation 21, change traditional lid and consist of an overall structure by two parts, the noise that can eradicate bonding not firm between two parts and bring, the plane of oscillation 21 in the present embodiment is a circular face, described bone-conduction speaker assembly 3 comprises magnet 31, coil 32 and buffering ring 33, described magnet 31 is fastened on the inwall 211 of the plane of oscillation 21 of described lower cover 2, also can not produce noise between the magnet 31 and the plane of oscillation 21; On described magnet 31, be with buffering ring 33, the bottom surface 331 of buffering ring 33 is fixedlyed connected with the described plane of oscillation 21, describedly fixedly connected with the bottom surface 321 of described coil 32 at described buffering ring 33 upper bottom surfaces 332, described coil 32 is located on the buffering ring 33, buffering ring 33 can suppress high pitch effectively, and enrich bass, can improve the tonequality of earphone.Change traditional structure that loam cake and lower cover is connected as one with screw, for described loam cake 1 is connected with post hole 22 tight fits that link to each other with lower cover 2 by the column cap 11 that links to each other with loam cake 1 with lower cover 2, so, also can avoid the loosening of loam cake 1 and lower cover 2 and the problem of generation noise.
See also Fig. 3 and Fig. 4, that Fig. 3 and Fig. 4 disclose is second kind of embodiment of the present invention, Fig. 3 and embodiment shown in Figure 4 compare with embodiment illustrated in figures 1 and 2, its general structure is identical, different is: also be provided with metal clips 34 between the inwall 211 of the plane of oscillation 21 of described lower cover 2 and described magnet 31, described metal clips 34 is fixed on the inwall 211 of the described plane of oscillation 21, described magnet 31 is fastened on the described metal clips 34, so design also can improve vibrating effect of the present invention.
Among above-mentioned two embodiment, described buffering ring 33 usefulness sponges are made, and it is a sponge ring, and obviously, buffering ring 33 also can be made of silica gel; Perhaps use the EVA material; The material that perhaps has certain cushioning effect with rubber making etc.
Among above-mentioned two embodiment, described magnet 31 is cylinder-shaped magnets; Obviously, described magnet 31 also can be square column type magnet.Described magnet 31 can also be designed to its longitudinal section is T shape (see figure 5), and the plane of T shape magnet 311 replaces metal clipss 34 directly to be fixed on structure on the inwall 211 of the described plane of oscillation 21.
Same, described magnet 31 can also be designed to its longitudinal section is E shape, and the plane 312 of E shape magnet replaces metal clipss 34 directly to be fixed on structure (referring to Fig. 6) on the inwall 211 of the described plane of oscillation 21.
In the above-mentioned various scheme, on described magnet 31, all can also be provided with iron core (not drawing), to add the magnetic field conduction of strong magnet 31.Obviously, described iron core also can be designed to cylindrical, square column type, the structure of T type or E type.
Claims (10)
1. bone conduction earphone, comprise loam cake (1) and lower cover (2), after described loam cake (1) and lower cover (2) fasten, be formed for the cavity (4) of hold bone conduction loudspeaker assembly (3), in described cavity (4), be provided with bone-conduction speaker assembly (3), it is characterized in that: described lower cover (2) is a single injection-molded, described lower cover (2) has a plane of oscillation (21), described bone-conduction speaker assembly (3) comprises magnet (31), coil (32) and buffering ring (33), described magnet (31) is fastened on the inwall (211) of the plane of oscillation (21) of described lower cover (2), on described magnet (31), be with buffering ring (33), on described buffering ring (33), be provided with described coil (32).
2. bone conduction earphone according to claim 1, it is characterized in that: between the inwall (211) of the plane of oscillation (21) of described lower cover (2) and described magnet (31), also be provided with metal clips (34), described metal clips (34) is fixed on the inwall (211) of the described plane of oscillation (21), and described magnet (31) is fastened on the described metal clips (34).
3. bone conduction earphone according to claim 1 and 2 is characterized in that: described buffering ring (33) is made of sponge.
4. bone conduction earphone according to claim 1 and 2 is characterized in that: described buffering ring (33) is made of silica gel.
5. bone conduction earphone according to claim 1 and 2 is characterized in that: described buffering ring (33) be with the EVA material or make of rubber.
6. bone conduction earphone according to claim 1 and 2 is characterized in that: described loam cake (1) is to be connected with post hole (22) tight fit that links to each other with lower cover (2) by the column cap (11) that links to each other with loam cake with lower cover (2).
7. bone conduction earphone according to claim 1 and 2 is characterized in that: described magnet (31) is square column type or cylindrical.
8. bone conduction earphone according to claim 1 is characterized in that: the longitudinal section of described magnet (31) is a T shape, and the plane of T shape magnet replaces metal clips (34) directly to be fixed on the inwall (211) of the described plane of oscillation (21).
9. bone conduction earphone according to claim 1 is characterized in that: the longitudinal section of described magnet (31) is an E shape, and the plane of E shape magnet replaces metal clips (34) directly to be fixed on the inwall (211) of the described plane of oscillation (21).
10. according to claim 1,8 or 9 described bone conduction earphones, it is characterized in that: on described magnet (31), also be provided with iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106054577A CN102014328A (en) | 2010-12-24 | 2010-12-24 | Bone-conduction headphone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106054577A CN102014328A (en) | 2010-12-24 | 2010-12-24 | Bone-conduction headphone |
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| CN102014328A true CN102014328A (en) | 2011-04-13 |
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| CN2010106054577A Pending CN102014328A (en) | 2010-12-24 | 2010-12-24 | Bone-conduction headphone |
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Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012083551A1 (en) * | 2010-12-24 | 2012-06-28 | Jin Zaishan | Bone conduction earphone |
| CN107026557A (en) * | 2016-02-01 | 2017-08-08 | 深圳市科曼医疗设备有限公司 | Voice coil motor |
| CN107809695A (en) * | 2017-11-29 | 2018-03-16 | 苏州佑克骨传导科技有限公司 | A kind of back-wear type bone conduction earphone |
| CN108833639A (en) * | 2012-06-29 | 2018-11-16 | 株式会社精好 | Earphone and stereophone |
| CN109050732A (en) * | 2018-08-27 | 2018-12-21 | 深圳市领航致远科技有限公司 | A kind of fixing structure for horn and balance car of balance car |
| CN113015058A (en) * | 2021-04-19 | 2021-06-22 | 深圳市慕客科技有限公司 | Vibrator and sound transmission device of bone conduction earphone |
| WO2021196626A1 (en) * | 2020-03-31 | 2021-10-07 | Shenzhen Voxtech Co., Ltd. | Acoustic device |
| CN113490096A (en) * | 2021-07-01 | 2021-10-08 | 深圳市三德大康电子有限公司 | Bone conduction earphone |
| US11197106B2 (en) | 2014-01-06 | 2021-12-07 | Shenzhen Voxtech Co., Ltd. | Systems and methods for suppressing sound leakage |
| US20210409875A1 (en) | 2019-12-13 | 2021-12-30 | Shenzhen Voxtech Co., Ltd. | Sound-output device |
| US11297446B2 (en) | 2014-01-06 | 2022-04-05 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11304011B2 (en) | 2014-01-06 | 2022-04-12 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11363392B2 (en) | 2014-01-06 | 2022-06-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
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| CN108833639A (en) * | 2012-06-29 | 2018-11-16 | 株式会社精好 | Earphone and stereophone |
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| US20210409875A1 (en) | 2019-12-13 | 2021-12-30 | Shenzhen Voxtech Co., Ltd. | Sound-output device |
| WO2021196626A1 (en) * | 2020-03-31 | 2021-10-07 | Shenzhen Voxtech Co., Ltd. | Acoustic device |
| CN113015058A (en) * | 2021-04-19 | 2021-06-22 | 深圳市慕客科技有限公司 | Vibrator and sound transmission device of bone conduction earphone |
| CN113490096B (en) * | 2021-07-01 | 2023-07-21 | 深圳市三德大康电子有限公司 | Bone conduction earphone |
| CN113490096A (en) * | 2021-07-01 | 2021-10-08 | 深圳市三德大康电子有限公司 | Bone conduction earphone |
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