CN107396221A - Bone-conduction speaker - Google Patents
Bone-conduction speaker Download PDFInfo
- Publication number
- CN107396221A CN107396221A CN201710557750.2A CN201710557750A CN107396221A CN 107396221 A CN107396221 A CN 107396221A CN 201710557750 A CN201710557750 A CN 201710557750A CN 107396221 A CN107396221 A CN 107396221A
- Authority
- CN
- China
- Prior art keywords
- vibrating reed
- voice coil
- bone
- conduction speaker
- shell
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 69
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000035807 sensation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 244000273256 Phragmites communis Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 210000003027 ear inner Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000860 cochlear nerve Anatomy 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000002751 lymph Anatomy 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002985 organ of corti Anatomy 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2892—Mountings or supports for transducers
- H04R1/2896—Mountings or supports for transducers for loudspeaker transducers
-
- 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
-
- 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
- H04R2460/15—Determination of the acoustic seal of ear moulds or ear tips of hearing devices
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention provides a kind of bone-conduction speaker, including shell and the U-shaped iron being fixedly mounted in shell, a link is provided with the U-shaped iron, the bottom of the link is installed with a voice coil loudspeaker voice coil, the central upper portion of the link is provided with a through hole cylinder, worn on the through hole cylinder and be installed with the first vibrating reed and the second vibrating reed, and a closed cavity is formed between second vibrating reed and shell.Bone-conduction speaker provided by the invention, two panels vibrating reed is employed, reduce the contact area of resonance, so as to reduce leakage sound.Compared with prior art, vibratory sensation is reduced when the present invention is worn so that wearing is more comfortable, effectively increases the experience sense of user.
Description
Technical field
The invention belongs to electro-acoustic product technical field, and in particular to be it is a kind of reduce leakage sound double vibrating reed bones biography
Lead loudspeaker.
Background technology
Osteoacusis is a kind of sound conduction mode, i.e., by the way that sound to be converted into the mechanical oscillation of different frequency, passes through people
Skull, osseous labyrinth, inner ear lymph transmission, spiral organ, auditory nerve, auditory center transmit sound wave.With respect to vibrating diaphragm
The classical sound conduction mode of sound wave is produced, osteoacusis eliminates the step of many sound waves transmit, can be real in noisy environment
Now clearly sound-reducing, and sound wave also will not have influence on other people because of spreading in atmosphere.
A kind of new electroacoustic conversion that bone-conduction speaker is based on the sound conduction mode of osteoacusis and developed
Device, because bond-conduction sound is clear, it is not affected by the external environment, while will not also damages the ear-drum of people, therefore osteoacusis
Loudspeaker is widely used in fields such as earphones.But existing bone-conduction speaker can produce one in use
Individual resonance peak, meeting and the housing parts being connected with bone-conduction speaker produce resonance while vibration, and surround osteoacusis and raise one's voice
Device housing forms the cavity of a closing, and closed cavity area is bigger with respect to bone-conduction speaker, vibration can be amplified, and puts
Big vibration produces resonance with air, can produce leakage sound, it is excessively poor so to may result in Consumer's Experience.It is such as all when listening music
The people enclosed can also hear, influence whether the people of surrounding；Or when receiving calls, the people of surrounding can also hear the sound of other side,
The privacy of oneself can not be protected.
The content of the invention
Therefore, it is an object of the invention to provide a kind of double vibrating reeds for reducing leakage sound that can improve Consumer's Experience
Bone-conduction speaker.
The purpose of the present invention is achieved through the following technical solutions.
A kind of bone-conduction speaker, including shell and the U-shaped iron that is fixedly mounted in shell, it is provided with the U-shaped iron
One link, the bottom of the link are installed with a voice coil loudspeaker voice coil, and the central upper portion of the link is provided with a through hole post
Body, wear on the through hole cylinder and be installed with the first vibrating reed and the second vibrating reed, and second vibrating reed and shell
Between form a closed cavity.
Preferably, be additionally provided with a sound insulation piece between first vibrating reed and the second vibrating reed, the through hole cylinder from
Sequentially pass through the centre bore of the centre bore of the first vibrating reed, the centre bore of sound insulation piece and the second vibrating reed upwards down.
Preferably, the side of the through hole cylinder is provided with neck, after through hole cylinder passes through the second vibrating reed centre bore,
Rivet, which is correspondingly placed in the neck, to fix the second vibrating reed and the link.
Preferably, the link bottom is provided with locating slot, and the voice coil loudspeaker voice coil is correspondingly fixed in the locating slot, and institute
State corresponding centre bore, the centre bore and second of sound insulation piece that the first vibrating reed is sequentially passed through from through hole cylinder of voice coil line of voice coil loudspeaker voice coil
The centre bore of vibrating reed.
Preferably, a magnet is further fixed in the U-shaped iron, a washer, and the magnet and China is provided with the magnet
Department is respectively positioned in the voice coil loudspeaker voice coil.
Preferably, some hot molten columns are provided with second vibrating reed, and second vibrating reed passes through the hot melt
Post forms an entirety together with being heat fused to the shell.
Preferably, second vibrating reed is fixed in shell by way of in-mould injection.
Bone-conduction speaker provided by the invention, two panels vibrating reed is employed, reduce the contact area of resonance, so as to subtract
Leakage sound is lacked.Compared with prior art, vibratory sensation is reduced when the present invention is worn so that wearing is more comfortable, effectively improves
The experience sense of user.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of bone-conduction speaker of the present invention；
Fig. 2 is the assembly structure diagram of bone-conduction speaker of the present invention；
Fig. 3 is the side sectional view of bone-conduction speaker of the present invention；
Fig. 4 is the dimensional structure diagram of an embodiment of the present invention；
Fig. 5 is Fig. 4 top view；
Fig. 6 is the top view of another embodiment of the present invention.
Identifier declaration in figure：U-shaped iron 10, magnet 20, washer 30, voice coil loudspeaker voice coil 40, voice coil line 41, link 50, cylinder 51, card
Groove 511, rivet 52, the first vibrating reed 60, sound insulation piece 70, the second vibrating reed 80, hot molten column 81, shell 90, packed layer 91.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Refer to shown in Fig. 1~6, the invention provides it is a kind of reduce leakage sound double vibrating reed bone-conduction speakers,
It mainly includes magnetic circuit part, the first vibrating reed combined mechanism and the second vibrating reed.Wherein pass through magnetic circuit part outermost
Locating slot can be fixed the first vibrating reed combined mechanism in a manner of laser spot welding, and the second vibrating reed is bonded in into again afterwards
The top of one vibrating reed combined mechanism.
Magnetic circuit part includes U-shaped iron 10, magnet 20 and washer 30, and the magnet of a loop circuit is formed by this three parts.
Wherein U-shaped iron 10 is arranged in shell 90, and there is individual fixing groove at the center of U-shaped iron 10, and magnet 20 is located at the fixation at the U-shaped center of iron 10
In groove, and washer 30 is corresponding is bonded on magnet 20, so that U-shaped iron 10, magnet 20 and washer 30 form-individual loop circuit
Magnet.
First vibrating reed combined mechanism includes voice coil loudspeaker voice coil 40, link 50, the first vibrating reed 60 and sound insulation piece 70.Wherein connect
The bottom of frame 50 is provided with locating slot, and the upper part of voice coil loudspeaker voice coil 40 is correspondingly located in the locating slot, and is adhesively fixed by glue,
The lower part of voice coil loudspeaker voice coil 40 is correspondingly in U-shaped iron 10, and its bottom does not contact with U-shaped iron 10, and washer 30 and magnet 20 are located at
In voice coil loudspeaker voice coil 40.
The central upper portion of link 50 is provided with a through hole cylinder 51, is worn successively from bottom to top on through hole cylinder 51 solid
Equipped with the first vibrating reed 60, the vibrating reed 80 of sound insulation piece 70 and second, the upper end of wherein through hole cylinder 51 protrudes from second and shaken for Dingan County
The centre bore of moving plate 80, and the side of through hole cylinder 51 of protrusion is provided with neck 511 (see Fig. 3), when through hole cylinder 51 is worn
After crossing the centre bore of the second vibrating reed 80, by rivet 52 it is corresponding be placed in the neck 511 can be achieved by the first vibrating reed 60,
The vibrating reed 80 of sound insulation piece 70 and second is fixed together with the link 50.
It should be noted that the central through hole that the upper part voice coil line 41 of voice coil loudspeaker voice coil 40 can be corresponded to from through hole cylinder 51 is worn
Cross, and the centre bore of the centre bore of the first vibrating reed 60, the centre bore of sound insulation piece 70 and the second vibrating reed 80 can be sequentially passed through.
It is connected to specific external equipment.
The centre bore of first vibrating reed 60 is corresponded to through in through hole cylinder 51, and blend compounds water clamps the first vibrating reed 60 solid
It is fixed.Second vibrating reed 80 is made by hardware material or plastic cement material, and is locally hollowed out, can do as needed it is variously-shaped, it is interior
Portion's area of knockout can also do variously-shaped, and its centre bore is correspondingly through in through hole cylinder 51, can be fixed by rivet 52.
The description carried out above to bone-conduction speaker structural principle of the present invention, its basis is specifically produced not below
Illustrated with product respectively in connection with following examples.
Embodiment one
As shown in Figure 4, Figure 5, Fig. 4 is the dimensional structure diagram of an embodiment of the present invention；Fig. 5 is Fig. 4 top view.
Some hot molten columns 81 are provided with the present embodiment on second vibrating reed 80, are heat fused to by the hot molten column 81 and the shell 90
An entirety is formed together, so as to realize one closed cavity of formation between the second vibrating reed 80 and shell 90.
In the present embodiment, the second vibrating reed hollows out as far as possible, can hollow out the second vibrating reed not according to being actually needed
With position and area.Reduce resonance and reduce leakage sound.And an entirety is formed due to being heated between the second vibrating reed and shell,
And closed cavity is formed, therefore the second vibration-transmitting plate objectively reduces the contact area of whole bone-conduction speaker and shell, it is right
The leakage sound of osteoacusis should be decreased.
Embodiment two
As shown in fig. 6, Fig. 6 is the top view of another embodiment of the present invention.The second vibrating reed 80 passes through in the present embodiment
The mode of in-mould injection is fixed in shell 90, and it is corresponded to forms a packed layer in the second vibrating reed 80 between shell 90
91, in this way, one closed cavity of formation between the second vibrating reed 80 and shell 90 can also be realized.
Similarly, the second vibrating reed hollows out as far as possible, the different positions that can hollow out the second vibrating reed according to being actually needed
Put and area.Reduce resonance and reduce leakage sound.And due to being consolidated between the second vibrating reed and shell by way of in-mould injection
It is scheduled on and forms closed cavity together, therefore the second vibration-transmitting plate objectively reduces the contact surface of whole bone-conduction speaker and shell
Product, the corresponding leakage sound for decreasing osteoacusis.
In summary, the present invention is hollowed out as far as possible using double vibration plate structures, and by the center section of two vibrating reeds, and
A seal cavity is formed between second vibrating reed and shell, is connected the second vibration-transmitting plate and shell the local of small area of trying one's best,
Reduce the possible resonance area of the second vibrating reed in itself, so as at utmost reduce vibration, reduce leakage sound.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of bone-conduction speaker, including shell (90) and the U-shaped iron (10) that is fixedly mounted in shell (90), its feature exist
In the U-shaped iron (10) is interior to be provided with a link (50), and the bottom of the link (50) is installed with a voice coil loudspeaker voice coil
(40), the central upper portion of the link (50) is provided with a through hole cylinder (51), and fixation is worn on the through hole cylinder (51)
First vibrating reed (60) and the second vibrating reed (80) are installed, and one is formed between second vibrating reed (80) and shell (90)
Closed cavity.
2. bone-conduction speaker as claimed in claim 1, it is characterised in that first vibrating reed (60) and the second vibrating reed
(80) a sound insulation piece (70) is additionally provided between, the through hole cylinder (51) sequentially passes through the first vibrating reed (60) from bottom to top
The centre bore of centre bore, the centre bore of sound insulation piece (70) and the second vibrating reed (80).
3. bone-conduction speaker as claimed in claim 2, it is characterised in that the side of the through hole cylinder (51) is provided with card
Groove (511), after through hole cylinder (51) passes through the second vibrating reed (80) centre bore, rivet (52) is corresponding to be placed in the neck
(511) can be fixed by the second vibrating reed (80) and the link (50) in.
4. bone-conduction speaker as claimed in claim 3, it is characterised in that link (50) bottom is provided with positioning
Groove, the voice coil loudspeaker voice coil (40) is corresponding to be fixed in the locating slot, and the voice coil line (41) of the voice coil loudspeaker voice coil (40) is corresponding from through hole post
Sequentially passed through in body (51) in the centre bore of the first vibrating reed (60), the centre bore and the second vibrating reed (80) of sound insulation piece (70)
Heart hole.
5. bone-conduction speaker as claimed in claim 4, it is characterised in that be further fixed on a magnet in the U-shaped iron (10)
(20) washer (30), is provided with the magnet (20), and the magnet (20) and washer (30) are respectively positioned on the voice coil loudspeaker voice coil (40)
It is interior.
6. the bone-conduction speaker as described in Claims 1 to 5 is any, it is characterised in that set on second vibrating reed (80)
Some hot molten columns (81) are equipped with, and second vibrating reed (80) is heat fused to by the hot molten column (81) and the shell (90)
An entirety is formed together.
7. the bone-conduction speaker as described in Claims 1 to 5 is any, it is characterised in that second vibrating reed (80) passes through
The mode of in-mould injection is fixed in shell (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557750.2A CN107396221A (en) | 2017-07-10 | 2017-07-10 | Bone-conduction speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557750.2A CN107396221A (en) | 2017-07-10 | 2017-07-10 | Bone-conduction speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107396221A true CN107396221A (en) | 2017-11-24 |
Family
ID=60335569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710557750.2A Pending CN107396221A (en) | 2017-07-10 | 2017-07-10 | Bone-conduction speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107396221A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712699A (en) * | 2018-06-20 | 2018-10-26 | 昆山快乐岛运动电子科技有限公司 | High tone quality osteoacusis water-proof earplug |
| WO2019104498A1 (en) * | 2017-11-28 | 2019-06-06 | 苏州佑克骨传导科技有限公司 | Sound production module of bone-conduction earphone |
| WO2019196092A1 (en) * | 2018-04-08 | 2019-10-17 | 孔玉亮 | Bone conduction speaker having u-type magnet support |
| CN112153541A (en) * | 2018-09-18 | 2020-12-29 | 徐发喜 | Intelligent wearable device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497612A (en) * | 2011-12-23 | 2012-06-13 | 深圳市韶音科技有限公司 | Bone conduction speaker and compound vibrating device thereof |
| CN105007551A (en) * | 2015-08-13 | 2015-10-28 | 深圳市韶音科技有限公司 | Method for improving sound quality of bone conduction earphone and bone conduction earphone |
| WO2015198683A1 (en) * | 2014-06-26 | 2015-12-30 | 株式会社テムコジャパン | Bone conduction speaker |
-
2017
- 2017-07-10 CN CN201710557750.2A patent/CN107396221A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497612A (en) * | 2011-12-23 | 2012-06-13 | 深圳市韶音科技有限公司 | Bone conduction speaker and compound vibrating device thereof |
| WO2015198683A1 (en) * | 2014-06-26 | 2015-12-30 | 株式会社テムコジャパン | Bone conduction speaker |
| CN105007551A (en) * | 2015-08-13 | 2015-10-28 | 深圳市韶音科技有限公司 | Method for improving sound quality of bone conduction earphone and bone conduction earphone |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019104498A1 (en) * | 2017-11-28 | 2019-06-06 | 苏州佑克骨传导科技有限公司 | Sound production module of bone-conduction earphone |
| WO2019196092A1 (en) * | 2018-04-08 | 2019-10-17 | 孔玉亮 | Bone conduction speaker having u-type magnet support |
| CN108712699A (en) * | 2018-06-20 | 2018-10-26 | 昆山快乐岛运动电子科技有限公司 | High tone quality osteoacusis water-proof earplug |
| CN112153541A (en) * | 2018-09-18 | 2020-12-29 | 徐发喜 | Intelligent wearable device |
| CN112153542A (en) * | 2018-09-18 | 2020-12-29 | 徐发喜 | Bone conduction loudspeaker |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |