CN102497610A - Vibration conduction sheet device of bone conduction loudspeaker - Google Patents

Vibration conduction sheet device of bone conduction loudspeaker Download PDF

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Publication number
CN102497610A
CN102497610A CN2011104380792A CN201110438079A CN102497610A CN 102497610 A CN102497610 A CN 102497610A CN 2011104380792 A CN2011104380792 A CN 2011104380792A CN 201110438079 A CN201110438079 A CN 201110438079A CN 102497610 A CN102497610 A CN 102497610A
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China
Prior art keywords
vibration
transmitting plate
bone
conduction speaker
iron
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CN2011104380792A
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CN102497610B (en
Inventor
齐心
于烨
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Shenzhen Voxtech Co Ltd
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Shenzhen Voxtech Co Ltd
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Application filed by Shenzhen Voxtech Co Ltd filed Critical Shenzhen Voxtech Co Ltd
Priority to CN 201110438079 priority Critical patent/CN102497610B/en
Publication of CN102497610A publication Critical patent/CN102497610A/en
Priority to PCT/CN2012/087060 priority patent/WO2013091562A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • H04R25/606—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

The invention discloses a vibration conduction sheet device for a bone conduction loudspeaker. The vibration conduction sheet device comprises a plain film body, wherein the plain film body is provided with multiple circles of intermittent annular holes; rib connecting parts are arranged among each circle of annular holes, so that the annular holes are spaced intermittently; and the rib connecting parts of adjacent circles of annular holes are arranged in a staggered way. The vibration conduction sheet device of the bone conduction loudspeaker is provided with multiple circles of annular holes, so that a vibrating plate can be displaced more greatly, high sensitivity is realized for the bone conduction loudspeaker, and the output power of vibration and sound is increased. Moreover, balanced axial reciprocating movement of the vibration conduction sheet can be realized in a non-deviated way without special processing accuracy, so that a good tone quality is achieved.

Description

A kind of vibration-transmitting plate device of bone-conduction speaker
Technical field
The present invention relates to a kind of vibration-transmitting plate device of bone-conduction speaker.
Background technology
Why the people can hear sound, is because airborne vibration has been arrived ear-drum to vibration transfer through the external ear duct, the vibratory drive people's who forms through ear-drum auditory nerve.
During bone-conduction speaker work, be delivered to people's auditory nerve through people's skin, hypodermis and bone, thereby make the people hear sound.People's ear under normal circumstances clogs duct so long as not middle external ear damage or with hand, and sound is compared to the power output in the ear-drum through air transmitted through direct conduction of bone and sound and wanted much weak, so limited the application of bone-conduction speaker.
As shown in Figure 1 is the stereogram of prior art bone-conduction speaker structure.In this structure, form by driver part and vibrating mass two parts.Driver part comprise peviform magnetic conductor 6, be configured in the magnet 5 at magnetic conductor 6 centers and be wrapped in the voice coil loudspeaker voice coil 4 on the magnet 5.Vibrating mass is involving vibrations plate 2 and vibration-transmitting plate 3 then, and in vibration-transmitting plate 3, vibration-transmitting plate 3 both sides comprise hole 1 to oscillating plate 2 through laser welding, and this hole 1 can be used to vibrating mass and driver part are fixed together.
But this type vibration-transmitting plate of the prior art is because belong to the solid squares structure, and its hardness is bigger, has caused length travel less, thereby has limited the stroke of bone-conduction speaker, has restricted its power output; Simultaneously, oscillating component is connected with drive part through two holes in the assembling, because be that two point locations are difficult to accurately location and fixing, makes rollover easily in the assembling, causes assembling bad, and assembles also inconvenience.The design of vibration-transmitting plate is to make that the highly sensitive power output of bone-conduction speaker is big and assemble easy key component, and therefore, prior art awaits to improve and development.
Fig. 2 is the structure chart of another bone-conduction speaker vibration-transmitting plate of prior art.This vibration-transmitting plate comprises outer shroud, interior ring and a plurality of connecting portion.These connecting portions have the windmill shape, and each connecting portion all has certain width.After vibration-transmitting plate was assembled on the bone-conduction speaker, the structure of this connecting portion was easy to generate deflection, caused that it produces inhomogeneous vibration or skewness magnitude level and causes big the time voice coil loudspeaker voice coil etc. to run into magnetic conductive board, finally formed unusual sound, and tonequality descends.
Summary of the invention
The object of the present invention is to provide a kind of vibration-transmitting plate device of bone-conduction speaker; Improve existing bone-conduction speaker vibration-transmitting plate; Through inventing a kind of flexibility vibration-transmitting plate preferably; Can be so that oscillating plate produce bigger displacement, thus let bone-conduction speaker realize more high sensitivity, and improve its power output.And vibration-transmitting plate does not need special machining accuracy just can realize that deflection does not take place the axial back and forth movement of balance, thereby obtains good acoustical quality.
Technical scheme of the present invention comprises:
A kind of vibration-transmitting plate device of bone-conduction speaker wherein, comprises a plain film body, and this plain film body is provided with the annular distance that many circles are interrupted, and muscle portion of the company of being provided with between the annular distance that encloses together forms annular distance and is interrupted at interval; And the muscle portion of company of adjacent turn annular distance is crisscross arranged.
Described vibration-transmitting plate device, wherein, said annular distance is set to three circles, and on every circle, all is set to three annular distances.
Described vibration-transmitting plate device, wherein, adjacent turn adjacent connects muscle portion 60 degree that stagger and is provided with.
Described vibration-transmitting plate device, wherein, said bone-conduction speaker also comprises the oscillating plate that is arranged on the said vibration-transmitting plate, and a washer, it is central that said oscillating plate is arranged on said washer; And; One toroidal magnet, a T iron and a coil; Said T iron has center projections portion, and said toroidal magnet is arranged between the peripheral wall part and said washer of T iron, and said coil is arranged in the gap between the center projections portion of said toroidal magnet and said T iron.
Described vibration-transmitting plate device, wherein, said vibration-transmitting plate is connected with said washer and T iron through bolt.
The vibration-transmitting plate device of a kind of bone-conduction speaker provided by the present invention, owing to adopted the setting of many circles annular distance, can be so that oscillating plate produce bigger amplitude, thus let bone-conduction speaker realize more high sensitivity, improved the power output of vibration and sound.
Description of drawings
Fig. 1 is the stereogram of the bone-conduction speaker structure of prior art.
Fig. 2 is the structure chart of another bone-conduction speaker vibration-transmitting plate of prior art.
Fig. 3 is the structure chart of bone-conduction speaker vibration-transmitting plate of the present invention.
Fig. 4 is the exploded perspective view of bone-conduction speaker structure of the present invention.
Fig. 5 is the stereogram of bone-conduction speaker structure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, will carry out more detailed explanation to each preferred embodiment of the present invention.
The preferred embodiment of the vibration-transmitting plate device of bone-conduction speaker of the present invention; As shown in Figure 3, said vibration-transmitting plate 8 is a plain film structure, and this plain film body 801 is provided with the annular distance 802 that many circles are interrupted; Muscle portion of the company of being provided with 803 between every circle annular distance forms annular distance and is interrupted at interval; And the muscle portion of company of adjacent turn annular distance is crisscross arranged; So can form and promptly have rigidity; Satisfy the vibration-transmitting plate that elasticity requires again, do not need special machining accuracy just can realize that deflection does not take place the axial back and forth movement of balance, thereby satisfy the vibration-transmitting plate of acoustical quality.Said vibration-transmitting plate can adopt stainless steel or beryllium copper to process, and adopts the also passable of other materials certainly.
Among the better embodiment of vibration-transmitting plate of the present invention, said annular distance 802 is set to three circles altogether, and all is set to three annular distances at every circle, is interrupted by three muscle portions of company to separate; And adjacent muscle portion 60 degree that stagger that connect that said adjacent turn can be set are provided with; Muscle portion of company 813 and 823 as shown in Figure 3; So promptly convenient processing to vibration-transmitting plate 8; Also can form product overall appearance attractive in appearance, as shown in Figure 5, and can guarantee the elasticity and the rigidity requirement of whole vibration-transmitting plate.
As shown in Figure 4; Vibration-transmitting plate device of the present invention is with oscillating plate 13 welding or is bonded on the side of vibration-transmitting plate 8; The periphery of said vibration-transmitting plate 8 has 3 screws 9 that are angular distribution, and this screw 9 is to be used for vibrational system that comprises vibration-transmitting plate 8 and oscillating plate 13 and washer 11 (spring washer, spring shim) are made up; As shown in Figure 4; Between screw 9 and vibration-transmitting plate 8, be provided with pad 10, washer 11 is used for magnetic conduction, and vibration-transmitting plate 8 is fixed on the washer 11; Thereby make between the oscillating plate 13 that supports through vibration-transmitting plate 8 and the T iron 14 and all formed certain clearance between oscillating plate 13 and the washer 11, and then the driving and generating that makes oscillating plate 13 in the gap, can pass through electric current in the coil 15 is vibrated.Coil 15 is placed on toroidal magnet 12, washer 11, oscillating plate 13 and T iron 14 and surrounds in the gap of formation.The screw 7 that welds together with vibration-transmitting plate 8 and oscillating plate 13 is to be used for bone-conduction speaker driver and bone-conduction speaker device housing (housing is not shown) are connected in one.
Vibration-transmitting plate 8 of the present invention has structurally carried out the annular distance setting, makes vibration-transmitting plate 8 on the narrow area of plain film structure, prolong the arm of force through such design, has increased the elastic force of vibration-transmitting plate 8, thereby has strengthened the vibration displacement of oscillating plate 13.Simultaneously, on vibration-transmitting plate 8, stayed 3 screw holes,, made that assembling is more stable, can not produce bad effect of signals through three-point fix fixedly vibrating mass and driver part.
The vibration-transmitting plate device of bone-conduction speaker of the present invention is through adopting flexibility vibration-transmitting plate preferably, and its technology is simple, cost is lower; The special machining accuracy that do not need the vibration-transmitting plate that is obtained just can realize that deflection does not take place the axial back and forth movement of balance, thereby obtains good acoustical quality; The vibration-transmitting plate part that is obtained is because elastic force is better; Avoided the problem of restriction power output under the too little displacement of oscillating plate; Impel the bone-conduction speaker that comprises this invention vibration-transmitting plate to realize that more high sensitivity reaches the development of bigger power output, thereby expanded the application of bone-conduction speaker at commercial fields such as communication equipments.
Should be understood that above-mentioned description to preferred embodiment of the present invention is comparatively concrete, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with accompanying claims.

Claims (5)

1. the vibration-transmitting plate device of a bone-conduction speaker is characterized in that, comprises a plain film body, and this plain film body is provided with the annular distance that many circles are interrupted, and muscle portion of the company of being provided with between the annular distance that encloses together forms annular distance and is interrupted at interval; And the muscle portion of company of adjacent turn annular distance is crisscross arranged.
2. vibration-transmitting plate device according to claim 1 is characterized in that said annular distance is set to three circles, and on every circle, all is set to three annular distances.
3. vibration-transmitting plate device according to claim 2 is characterized in that, adjacent turn adjacent connects muscle portion 60 degree that stagger and be provided with.
4. according to the arbitrary described vibration-transmitting plate device of claim 1 to 3, it is characterized in that said bone-conduction speaker also comprises the oscillating plate that is arranged on the said vibration-transmitting plate, and a washer, it is central that said oscillating plate is arranged on said washer; And; One toroidal magnet, a T iron and a coil; Said T iron has center projections portion, and said toroidal magnet is arranged between the peripheral wall part and said washer of T iron, and said coil is arranged in the gap between the center projections portion of said toroidal magnet and said T iron.
5. vibration-transmitting plate device according to claim 4 is characterized in that, said vibration-transmitting plate is connected with said washer and T iron through bolt.
CN 201110438079 2011-12-23 2011-12-23 Vibration conduction sheet device of bone conduction loudspeaker Ceased CN102497610B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 201110438079 CN102497610B (en) 2011-12-23 2011-12-23 Vibration conduction sheet device of bone conduction loudspeaker
PCT/CN2012/087060 WO2013091562A1 (en) 2011-12-23 2012-12-20 Vibration conducting sheet device for bone conduction speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110438079 CN102497610B (en) 2011-12-23 2011-12-23 Vibration conduction sheet device of bone conduction loudspeaker

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CN102497610A true CN102497610A (en) 2012-06-13
CN102497610B CN102497610B (en) 2013-03-20

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WO (1) WO2013091562A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013091562A1 (en) * 2011-12-23 2013-06-27 深圳市韶音科技有限公司 Vibration conducting sheet device for bone conduction speaker
WO2015165307A1 (en) * 2014-04-28 2015-11-05 苏州佑克骨传导科技有限公司 Bone conduction vibrator with adjustable high and low frequency sound effects
CN105142087A (en) * 2015-08-13 2015-12-09 艺尔康听力科技（上海）有限公司 In-vivo implanted ossiphone vibrating device
CN106954154A (en) * 2015-08-13 2017-07-14 深圳市韶音科技有限公司 Bone-conduction speaker
CN109905829A (en) * 2019-01-24 2019-06-18 艺尔康听力科技（上海）有限公司 A kind of vibration spring plate of ossiphone
CN110545509A (en) * 2019-08-30 2019-12-06 歌尔股份有限公司 Sound production device and electronic equipment
CN112383869A (en) * 2020-11-09 2021-02-19 瑞声新能源发展(常州)有限公司科教城分公司 Piezoelectric MEMS transducer and electronic equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3404933A1 (en) 2017-05-15 2018-11-21 Oticon Medical A/S A hearing aid for placement on head of a user

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Publication number Priority date Publication date Assignee Title
WO2003101146A1 (en) * 2002-05-28 2003-12-04 Temco Japan Co., Ltd. Bone conductive speaker
CN2886960Y (en) * 2006-03-22 2007-04-04 陈奚平 Bone conduction loudspeaker
CN101203067A (en) * 2007-12-10 2008-06-18 陈奚平 Vibration transducer
CN101355823A (en) * 2008-09-18 2009-01-28 陈奚平 Insert earphone using bone conduction loudspeaker

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CN2724342Y (en) * 2004-08-27 2005-09-07 练刚 Speaker location support sheet
US8139812B2 (en) * 2004-11-19 2012-03-20 Subarna Basnet Loudspeaker suspension
US7346183B2 (en) * 2005-01-19 2008-03-18 Hiroshi Ohara Spider with lead wires sandwiched
CN201708914U (en) * 2010-04-21 2011-01-12 歌尔声学股份有限公司 Miniature moving-coil type electroacoustic transducer
CN202435593U (en) * 2011-12-23 2012-09-12 深圳市韶音科技有限公司 Vibration conducting piece device of bone conduction speaker
CN102497610B (en) * 2011-12-23 2013-03-20 深圳市韶音科技有限公司 Vibration conduction sheet device of bone conduction loudspeaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003101146A1 (en) * 2002-05-28 2003-12-04 Temco Japan Co., Ltd. Bone conductive speaker
CN1656849A (en) * 2002-05-28 2005-08-17 株式会社坦姆科日本 Bone conductive speaker
CN2886960Y (en) * 2006-03-22 2007-04-04 陈奚平 Bone conduction loudspeaker
CN101203067A (en) * 2007-12-10 2008-06-18 陈奚平 Vibration transducer
CN101355823A (en) * 2008-09-18 2009-01-28 陈奚平 Insert earphone using bone conduction loudspeaker

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013091562A1 (en) * 2011-12-23 2013-06-27 深圳市韶音科技有限公司 Vibration conducting sheet device for bone conduction speaker
WO2015165307A1 (en) * 2014-04-28 2015-11-05 苏州佑克骨传导科技有限公司 Bone conduction vibrator with adjustable high and low frequency sound effects
CN105142087A (en) * 2015-08-13 2015-12-09 艺尔康听力科技（上海）有限公司 In-vivo implanted ossiphone vibrating device
CN106954154A (en) * 2015-08-13 2017-07-14 深圳市韶音科技有限公司 Bone-conduction speaker
CN106954155A (en) * 2015-08-13 2017-07-14 深圳市韶音科技有限公司 Bone-conduction speaker
CN105142087B (en) * 2015-08-13 2018-06-08 艺尔康听力科技（上海）有限公司 A kind of ossiphone vibrating device to implant
CN106954155B (en) * 2015-08-13 2019-08-16 深圳市韶音科技有限公司 Bone-conduction speaker
CN106954154B (en) * 2015-08-13 2020-02-11 深圳市韶音科技有限公司 Bone conduction loudspeaker
CN109905829A (en) * 2019-01-24 2019-06-18 艺尔康听力科技（上海）有限公司 A kind of vibration spring plate of ossiphone
CN110545509A (en) * 2019-08-30 2019-12-06 歌尔股份有限公司 Sound production device and electronic equipment
CN112383869A (en) * 2020-11-09 2021-02-19 瑞声新能源发展(常州)有限公司科教城分公司 Piezoelectric MEMS transducer and electronic equipment

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Publication number Publication date
CN102497610B (en) 2013-03-20
WO2013091562A1 (en) 2013-06-27

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