WO2012083551A1 - Écouteur par conduction osseuse - Google Patents

Écouteur par conduction osseuse Download PDF

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Publication number
WO2012083551A1
WO2012083551A1 PCT/CN2010/080216 CN2010080216W WO2012083551A1 WO 2012083551 A1 WO2012083551 A1 WO 2012083551A1 CN 2010080216 W CN2010080216 W CN 2010080216W WO 2012083551 A1 WO2012083551 A1 WO 2012083551A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnet
bone conduction
lower cover
conduction earphone
buffer ring
Prior art date
Application number
PCT/CN2010/080216
Other languages
English (en)
Chinese (zh)
Inventor
金在善
Original Assignee
Jin Zaishan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jin Zaishan filed Critical Jin Zaishan
Priority to PCT/CN2010/080216 priority Critical patent/WO2012083551A1/fr
Publication of WO2012083551A1 publication Critical patent/WO2012083551A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1075—Mountings of transducers in earphones or headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers

Definitions

  • the invention relates to a bone conduction earphone, in particular to a bone conduction earphone with small noise, rich bass and high volume.
  • Conventional earphones generally attach the earphones to the ear holes or to the ear holes.
  • the earphones vibrate the air, and the air vibrates the eardrum of the person to transmit the sound to the human brain.
  • Such an earphone type earphone needs to be attached to the ear hole or plugged in the ear hole during use, so that when people listen to the sound in the earphone, the external sound user is hard to hear, so that when When you are in a dangerous situation, if you cross the road, you will not hear the whistle of the car. It is quite dangerous.
  • you use the earphone for a long time at a high volume it will affect the human eardrum and cause tinnitus.
  • causes hearing loss if you use the earphone for a long time at a high volume, it will affect the human eardrum and cause tinnitus.
  • tinnitus a short time at a high volume
  • a bone conduction earphone which converts an electrical signal into a vibration signal, and by touching the bone of the human body, the human voice is heard, and the sound does not need to be transmitted through the air, therefore, the earphone It is also not necessary to stick it in the ear hole or in the ear hole, so that when people use the bone conduction earphone to listen to the sound, it does not affect the hearing function of the human ear, and at the same time, it does not have any influence on the human eardrum.
  • KR10-2010-0097869 is a product comprising an upper cover (i.e., a cover attached to the ossicle) and a lower cover at the upper and lower covers.
  • a bone conduction speaker assembly is disposed in the cavity, the upper cover is composed of two parts, an upper cover body and a metal elastic piece, and the metal elastic piece is fixed together by screws, and the bone conduction speaker assembly includes a magnet and a coil.
  • a three-claw elastic member the magnet is fixedly connected to the lower cover, the coil is sleeved on the magnet, and a three-jaw elastic member is disposed above the skeleton of the coil, and a top end of the three-claw elastic member is The metal dome of the upper cover.
  • Noise is generated between the metal shrapnel and the metal shrapnel and the main body of the upper cover, which affects the purity of the sound; in addition, the bass of the bone conduction earphone is not good, which makes people feel uncomfortable, especially when listening to music. I feel very distorted.
  • the object of the present invention is to overcome the above disadvantages and provide the society with a bone conduction earphone which has almost no noise, is rich in bass, and has a simple structure.
  • the technical solution of the present invention is to provide a bone conduction earphone comprising an upper cover and a lower cover (ie, a cover portion attached to the ossicle), and the upper cover and the lower cover are fastened to form a bone conduction speaker.
  • a cavity of the assembly the bone conduction speaker assembly is disposed in the cavity
  • the lower cover is injection molded
  • the lower cover has a vibration plane
  • the bone conduction speaker assembly includes a magnet, a coil and a buffer ring
  • the magnet is fastened to an inner wall of a vibration plane of the lower cover, and a buffer ring is sleeved on the magnet, and the coil is disposed on the buffer ring.
  • a metal elastic piece is further disposed between the inner wall of the vibration plane of the lower cover and the magnet, and the metal elastic piece is fixed on the inner wall of the vibration plane, and the magnet is fastened in the Metal shrapnel.
  • the buffer ring is made of sponge; or made of silica gel; or made of EVA material; or made of rubber.
  • the magnet may be square or cylindrical
  • the longitudinal section of the magnet may also be T-shaped, and the plane of the T-shaped magnet is directly fixed on the inner wall of the vibration plane instead of the metal dome.
  • the longitudinal section of the magnet may also be E-shaped, and the plane of the E-shaped magnet is directly fixed on the inner wall of the vibration plane instead of the metal dome.
  • an iron core may be further disposed on the magnet to enhance magnetic field conduction of the magnet.
  • the core may also be cylindrical, square cylindrical, T-shaped or E-shaped.
  • the invention replaces the cover portion of the existing bone conduction earphone with the ear bone, and replaces the traditional two parts (metal elastic piece and cover main body) into one-time injection molding, and transmits the sound through the traditional coil through the three-claw.
  • the structure of the elastic member on the metal dome is changed to a structure in which the magnet or the magnet and the metal dome are directly connected to the inner wall of the vibration plane of the lower cover, thereby eliminating the root cause of the noise and fundamentally solving the noise problem;
  • the one side of the buffer ring is directly connected to the vibration plane of the lower cover or the metal dome, and the other side is fixedly connected with the bottom of the coil, so that when the coil vibrates, the buffer ring can directly buffer the vibration of the coil, so Can enrich the bass component of the headphones.
  • the invention has fewer components than the traditional bone conduction earphone, and has the advantages of simple structure and low cost. In summary, the present invention has the advantages of almost no noise, rich bass, simple structure, and low cost.
  • Figure 1 is a schematic view showing the structure of an embodiment of the present invention.
  • Figure 2 is a schematic cross-sectional view of Figure 1.
  • Figure 3 is a schematic view showing the structure of another embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional view of FIG. 3.
  • Fig. 5 is a schematic longitudinal sectional view showing a T-shaped magnet of the present invention.
  • Fig. 6 is a schematic longitudinal sectional view showing the E-type magnet of the present invention.
  • FIG. 1 and FIG. 2 disclose a bone conduction earphone including an upper cover 1 and a lower cover 2 (ie, a cover portion attached to the ossicle), the upper cover 1 and the lower cover After the fastening, the cavity 4 for accommodating the bone conduction speaker assembly 3 is formed, and the bone conduction speaker assembly 3 is disposed in the cavity 4.
  • the invention is characterized in that the lower cover 2 is injection molded.
  • the lower cover 2 has a vibration plane 21, and the conventional cover is composed of two parts as a unitary structure, which can eliminate the noise caused by the poor adhesion between the two parts, the vibration in this embodiment.
  • the plane 21 is a circular face
  • the bone conduction speaker assembly 3 includes a magnet 31, a coil 32, and a buffer ring 33 fastened on the inner wall 211 of the vibration plane 21 of the lower cover 2, the magnet 31 and the vibration No noise is generated between the planes 21; a buffer ring 33 is sleeved on the magnet 31, and a lower bottom surface 331 of the buffer ring 33 is fixedly connected to the vibration plane 21, and the bottom surface 332 of the buffer ring 33 is The lower bottom surface 321 of the coil 32 is fixedly connected, and the coil 32 is disposed on the buffer ring 33 to buffer 33 can effectively suppress the treble, bass and rich, can improve the sound quality of the headset.
  • the upper cover and the lower cover are integrally connected by screws, and the upper cover 1 and the lower cover 2 are tightly fitted through the column head 11 connected to the upper cover 1 and the column hole 22 connected to the lower cover 2.
  • By connecting it is also possible to avoid the problem that the upper cover 1 and the lower cover 2 are loose to generate noise.
  • FIG. 3 and FIG. 4 disclose a second embodiment of the present invention, and the embodiment shown in FIGS. 3 and 4 is compared with the embodiment shown in FIGS. 1 and 2.
  • the main structure is the same, except that a metal elastic piece 34 is disposed between the inner wall 211 of the vibration plane 21 of the lower cover 2 and the magnet 31, and the metal elastic piece 34 is fixed on the inner wall of the vibration plane 21.
  • the magnet 31 is fastened to the metal dome 34, and the vibration effect of the present invention can also be improved.
  • the buffer ring 33 is made of sponge, which is a sponge ring.
  • the buffer ring 33 can also be made of silica gel; or made of EVA material; or made of rubber, etc. Buffering material fabrication.
  • the magnet 31 is a cylindrical magnet; obviously, the magnet 31 may also be a square cylindrical magnet. It is also possible to design the magnet 31 such that its longitudinal section is T-shaped (see Fig. 5), and the plane 311 of the T-shaped magnet replaces the structure in which the metal dome 34 is directly fixed to the inner wall 211 of the vibration plane 21.
  • the magnet 31 may be designed such that its longitudinal section is E-shaped, and the plane 312 of the E-shaped magnet is directly attached to the inner wall 211 of the vibration plane 21 instead of the metal dome 34 (see Fig. 6).
  • an iron core (not shown) may be provided on the magnet 31 to enhance the magnetic field conduction of the magnet 31.
  • the core can also be designed as a cylindrical, square cylindrical, T- or E-shaped structure.

Abstract

Selon l'invention, un écouteur par conduction osseuse comprend une enveloppe supérieure (1), une enveloppe inférieure (2) ; lorsque l'enveloppe supérieure (1) et l'enveloppe inférieure (2) sont verrouillées l'une à l'autre, une cavité (4) est formée afin de maintenir une unité (3) de haut-parleur par conduction osseuse. L'enveloppe inférieure (2) est formée par un simple moulage par injection et comporte une surface de vibration (21). L'unité (3) de haut-parleur par conduction osseuse comprend un aimant (31), une bobine (32) et un anneau formant tampon (33). L'aimant (31) est fixé sur la paroi intérieure (211) de la surface de vibration (21), l'anneau formant tampon (33) est positionné autour de l'aimant (31) et la bobine est assemblée sur l'anneau formant tampon (33). L'invention présente les avantages suivants : pratiquement aucun bruit, des basses riches, une structure simple et un coût modéré.
PCT/CN2010/080216 2010-12-24 2010-12-24 Écouteur par conduction osseuse WO2012083551A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/080216 WO2012083551A1 (fr) 2010-12-24 2010-12-24 Écouteur par conduction osseuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/080216 WO2012083551A1 (fr) 2010-12-24 2010-12-24 Écouteur par conduction osseuse

Publications (1)

Publication Number Publication Date
WO2012083551A1 true WO2012083551A1 (fr) 2012-06-28

Family

ID=46313049

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/080216 WO2012083551A1 (fr) 2010-12-24 2010-12-24 Écouteur par conduction osseuse

Country Status (1)

Country Link
WO (1) WO2012083551A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026557A (zh) * 2016-02-01 2017-08-08 深圳市科曼医疗设备有限公司 音圈电机

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1406449A (zh) * 2000-12-27 2003-03-26 株式会社坦姆科日本 骨传导扬声器
CN1656849A (zh) * 2002-05-28 2005-08-17 株式会社坦姆科日本 骨传导扬声器
CN2781696Y (zh) * 2004-10-26 2006-05-17 陈奚平 骨传导扬声器
CN1976540A (zh) * 2005-09-13 2007-06-06 金舞株式会社 骨传导扬声器
KR20090002530A (ko) * 2007-06-30 2009-01-09 아이필유(주) 소형 음향 유니트의 판 스프링
JP2009088942A (ja) * 2007-09-28 2009-04-23 Cosmo Gear Kk イヤホン装置
CN102014328A (zh) * 2010-12-24 2011-04-13 金在善 骨传导耳机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1406449A (zh) * 2000-12-27 2003-03-26 株式会社坦姆科日本 骨传导扬声器
CN1656849A (zh) * 2002-05-28 2005-08-17 株式会社坦姆科日本 骨传导扬声器
CN2781696Y (zh) * 2004-10-26 2006-05-17 陈奚平 骨传导扬声器
CN1976540A (zh) * 2005-09-13 2007-06-06 金舞株式会社 骨传导扬声器
KR20090002530A (ko) * 2007-06-30 2009-01-09 아이필유(주) 소형 음향 유니트의 판 스프링
JP2009088942A (ja) * 2007-09-28 2009-04-23 Cosmo Gear Kk イヤホン装置
CN102014328A (zh) * 2010-12-24 2011-04-13 金在善 骨传导耳机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026557A (zh) * 2016-02-01 2017-08-08 深圳市科曼医疗设备有限公司 音圈电机
CN107026557B (zh) * 2016-02-01 2023-10-27 深圳市科曼医疗设备有限公司 音圈电机

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