CN102497610B - 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
CN102497610B
CN102497610B CN 201110438079 CN201110438079A CN102497610B CN 102497610 B CN102497610 B CN 102497610B CN 201110438079 CN201110438079 CN 201110438079 CN 201110438079 A CN201110438079 A CN 201110438079A CN 102497610 B CN102497610 B CN 102497610B
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Prior art keywords
vibration
transmitting plate
bone
annular distance
iron
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CN 201110438079
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Chinese (zh)
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CN102497610A (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
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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

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 delivered to ear-drum to vibration by the external ear duct, by the film formed vibratory drive people's of ear auditory nerve.
During bone-conduction speaker work, be delivered to people's auditory nerve by Person's skin, hypodermis and bone, thereby make the people hear sound.People's ear clogs duct so long as not middle external ear damage or with hand under normal circumstances, and sound is compared to the power output in the ear-drum by air transmitted by the direct conduction of bone and sound and wanted much weak, so limited the application of bone-conduction speaker.
The stereogram of prior art bone-conduction speaker structure as shown in Figure 1.In this structure, formed 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 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 by laser welding, and this hole 1 can be used to vibrating mass and driver part are fixed together.
But this class vibration-transmitting plate of the prior art is because belong to the solid squares structure, and its hardness is larger, 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 by two holes in the assembling, because be that two point locations are difficult to accurately location and fixing, so that easily rollover in the assembling, causes assembling bad, and assembles also inconvenience.The design of vibration-transmitting plate is that therefore, prior art has yet to be improved and developed so that the highly sensitive power output of bone-conduction speaker is large and assembling is easy to key component.
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 produced deflection easily, caused that it produces inhomogeneous vibration or skewness magnitude level and causes large 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, by inventing preferably vibration-transmitting plate of a kind of flexibility, can be so that oscillating plate produces larger displacement, thereby allow 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 occur 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, is provided with the annular distance that multi-turn is interrupted at this plain film body, and muscle section of the company of being provided with between the annular distance that encloses together forms annular distance and is interrupted the interval; And the muscle section of company of adjacent turn annular distance is crisscross arranged.
Described vibration-transmitting plate device, wherein, described annular distance is set to three circles, and all is set to three annular distances on every circle.
Described vibration-transmitting plate device, wherein, adjacent turn adjacent connects muscle section 60 degree that stagger and arranges.
Described vibration-transmitting plate device, wherein, described bone-conduction speaker also comprises the oscillating plate that is arranged on the described vibration-transmitting plate, and a washer, it is central that described oscillating plate is arranged on described washer; And, one toroidal magnet, a T iron and a coil, described T iron has center projections section, and described toroidal magnet is arranged between the peripheral wall part and described washer of T iron, and described coil is arranged in the gap between the center projections section of described toroidal magnet and described T iron.
Described vibration-transmitting plate device, wherein, described vibration-transmitting plate is connected with described washer and T iron by bolt.
The vibration-transmitting plate device of a kind of bone-conduction speaker provided by the present invention, owing to adopted the setting of multi-turn annular distance, can be so that oscillating plate produce larger amplitude, thus allow 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 be described in more detail 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, described vibration-transmitting plate 8 is a plain film structure, and is provided with the annular distance 802 that multi-turn is interrupted at this plain film body 801, muscle section of the company of being provided with 803 between every ring hole forms annular distance and is interrupted the interval; And the muscle section of company of adjacent turn annular distance is crisscross arranged, so can form and namely have rigidity, satisfy again the vibration-transmitting plate that elasticity requires, do not need special machining accuracy just can realize that deflection does not occur the axial back and forth movement of balance, thereby satisfy the vibration-transmitting plate of acoustical quality.Described vibration-transmitting plate can adopt stainless steel or beryllium copper to make, and certainly adopts the also passable of other materials.
Among the better embodiment of vibration-transmitting plate of the present invention, described 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 sections of company to separate; And adjacent muscle section 60 degree that stagger that connect that described adjacent turn can be set arrange, muscle section of company 813 and 823 as shown in Figure 3, so namely convenient processing to vibration-transmitting plate 8, also can form product overall appearance attractive in appearance, as shown in Figure 5, and can guarantee 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 described vibration-transmitting plate 8 has 3 screws 9 that are angular distribution, this screw 9 is for the vibrational system that will comprise vibration-transmitting plate 8 and oscillating plate 13 and washer 11(spring washer, spring shim) makes 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 and T iron 14 that supports by vibration-transmitting plate 8, and all formed certain gap between oscillating plate 13 and the washer 11, and then make oscillating plate 13 in the gap, can produce vibration by the driving of electric current in the coil 15.Coil 15 is placed on toroidal magnet 12, washer 11, oscillating plate 13 and T iron 14 and encloses in the gap of formation.The screw 7 that welds together with vibration-transmitting plate 8 and oscillating plate 13 is 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, so that vibration-transmitting plate 8 has prolonged the arm of force at the narrow area of plain film structure, has increased the elastic force of vibration-transmitting plate 8 by such design, thereby has strengthened the vibration displacement of oscillating plate 13.Simultaneously, stay 3 screw holes at vibration-transmitting plate 8, by three-point fix fixedly vibrating mass and driver part, so that assembling is more stable, can not produce bad effect of signals.
The vibration-transmitting plate device of bone-conduction speaker of the present invention is by adopting preferably vibration-transmitting plate of flexibility, and its technique is simple, cost is lower; The special machining accuracy that do not need the vibration-transmitting plate that obtains just can realize that deflection does not occur the axial back and forth movement of balance, thereby obtains good acoustical quality; The vibration-transmitting plate part that obtains 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 larger power output, thereby expanded the application of bone-conduction speaker at commercial fields such as communication equipments.
Should be understood that above-mentioned description for 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 claims.

Claims (5)

1. the vibration-transmitting plate device of a bone-conduction speaker, it is characterized in that, comprise a plain film body, be provided with the annular distance that multi-turn is interrupted at this plain film body, muscle section of the company of being provided with between the annular distance that encloses together forms annular distance and is interrupted the interval: between the different annular distances that enclose the interval is arranged, make the annular distance distribution form multi-turn, muscle section of the company of being provided with between the annular distance of the same circle of every circle, interval and muscle section of company are wholely set; And the muscle section of company of adjacent turn annular distance is crisscross arranged.
2. vibration-transmitting plate device according to claim 1 is characterized in that, described annular distance is set to three circles, and all is set to three annular distances on every circle.
3. vibration-transmitting plate device according to claim 2 is characterized in that, adjacent turn adjacent connects muscle section 60 degree that stagger and arrange.
4. according to claim 1 to 3 arbitrary described vibration-transmitting plate devices, it is characterized in that described bone-conduction speaker also comprises the oscillating plate that is arranged on the described vibration-transmitting plate, and a washer, it is central that described oscillating plate is arranged on described washer; And, one toroidal magnet, a T iron and a coil, described T iron has center projections section, and described toroidal magnet is arranged between the peripheral wall part and described washer of T iron, and described coil is arranged in the gap between the center projections section of described toroidal magnet and described T iron.
5. vibration-transmitting plate device according to claim 4 is characterized in that, described vibration-transmitting plate is connected with described washer and T iron by 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 CN102497610A (en) 2012-06-13
CN102497610B true CN102497610B (en) 2013-03-20

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN203840524U (en) * 2014-04-28 2014-09-17 苏州佑克骨传导科技有限公司 Bone conduction vibrator with adjustable high and low frequency sound effect
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
CN106937221B (en) * 2015-08-13 2019-07-19 深圳市韶音科技有限公司 Bone-conduction speaker
EP3404933A1 (en) 2017-05-15 2018-11-21 Oticon Medical A/S A hearing aid for placement on head of a user
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
CN112383869B (en) * 2020-11-09 2021-11-12 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

Citations (3)

* 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
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

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Publication number Priority date Publication date Assignee Title
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
CN101355823A (en) * 2008-09-18 2009-01-28 陈奚平 Insert earphone using bone conduction loudspeaker
CN201708914U (en) * 2010-04-21 2011-01-12 歌尔声学股份有限公司 Miniature moving-coil type electroacoustic transducer
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
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

Patent Citations (3)

* 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
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

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CN102497610A (en) 2012-06-13

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