CN104394492B - A kind of monofilm double-tone imitates difunctional bone conduction earphone - Google Patents
A kind of monofilm double-tone imitates difunctional bone conduction earphone Download PDFInfo
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- CN104394492B CN104394492B CN201410766678.0A CN201410766678A CN104394492B CN 104394492 B CN104394492 B CN 104394492B CN 201410766678 A CN201410766678 A CN 201410766678A CN 104394492 B CN104394492 B CN 104394492B
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 68
- 230000005236 sound signal Effects 0.000 claims abstract description 35
- 239000010935 stainless steel Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 229920006351 engineering plastic Polymers 0.000 claims description 7
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 7
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 6
- 210000003625 skull Anatomy 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 229910052790 beryllium Inorganic materials 0.000 claims 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 210000003454 tympanic membrane Anatomy 0.000 abstract description 18
- 230000000638 stimulation Effects 0.000 abstract description 6
- 206010048865 Hypoacusis Diseases 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 4
- 230000006870 function Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 9
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- 230000008901 benefit Effects 0.000 description 3
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- 230000008859 change Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
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- 210000005069 ears Anatomy 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a kind of monofilm double-tone to imitate difunctional bone conduction earphone, accommodating cavity opening inside its earphone case is embedded in non-porous lid, earphone case is in the opposite side installing tone frequency channel wire of accommodating cavity aperture position, setting-in vibration component in accommodating cavity, audio signal input module, audio signal input module includes hollow voice coil loudspeaker voice coil winding, audio signal connecting plate, vibration component includes cylindrical magnetic conductive board, annular permanent magnnet, cylindrical permanent magnet, cylindrical permanent magnet is with annular permanent magnnet dissimilar polarities face adsorbed close in cylindrical magnetic conductive board, cylindrical magnetic conductive board is in the coaxial seamless riveting circular vibration sound film in the opposite side of cylindrical permanent magnet.Pass through said structure design, the present invention can obtain bone conduction as the dual audio supplemented by main conductance and can be suitable to the normal person of ear hearing, ear person hard of hearing dual-use function, it is novel in design, simple in construction, and can effectively mitigate the burden to ear-drum and directly stimulation, failed too early with alleviating ear hearing.
Description
Technical field
The present invention relates to audio output apparatus technical field, more particularly to a kind of monofilm double-tone to imitate difunctional osteoacusis ear
Machine.
Background technology
It is well known that mankind's audition has two kinds of approach, it is specially：First, air transmitted (abbreviation conductance), it is exactly to utilize air
The principle of Vibration propagation, sound wave passes to ear-drum, then passes to internal auricularis (being listened i.e. by ear) by ear-drum；2nd, osteoacusis
(abbreviation bone conduction), exactly utilizes such as the principle of object transfer vibration wave, sound wave is passed on the skull of human body, then pass through skull
It is transferred directly to internal auricularis, it is not necessary to by ear vibration of membrane.
People generally listen sound to be delivered to internal hearing organ again by ear-drum sensing air transmitted sound wave, due to ear-drum ratio
More fragile, the high-frequency sound of exquisiteness is obtained although can sense, is in for a long time in the environment of high-decibel noise or when long
Between listen conductance earphone can all easily cause Hearing in addition damage, so listening to barrier, person is in the majority with conductance hearing loss person.
According to above two audition mode, existing earphone can also be divided into conductance earphone and bone conduction earphone；For
For above-mentioned conductance earphone and bone conduction earphone, during the use of reality, conductance earphone sound gently lacks telepresenc and height
Easily ear-piercing during volume, bone conduction earphone supper bass telepresenc is strong but sound weighs excessively stuffy shortage high-frequency effect.To overcome tradition
The deficiency of conductance earphone and bone conduction earphone, the hybrid earphone that both conductance and bone conduction are bonded is arisen at the historic moment, it is right
For hybrid earphone, it can learn from other's strong points to offset one's weaknesses, tonequality it is soft not ear-piercing and can effectively mitigate stimulation to ear-drum and
Bear and alleviate the too early decline of hearing.
However, for existing hybrid earphone, generally existing assembling structure is complicated, cavity body structure is big and need to separately match somebody with somebody
Iversion controller, and the excessive possibility for still having damage ear-drum of conductance volume.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art and a kind of monofilm double-tone is provided and imitates difunctional osteoacusis ear
Machine, the monofilm double-tone, which imitates difunctional bone conduction earphone, can obtain bone conduction for the dual audio supplemented by main conductance and to ear hearing just
Chang Zhe, ear person hard of hearing can be suitable dual-use function, it is novel in design, simple in construction, can either be by conductance volume
Control effectively to mitigate burden and the directly stimulation to ear-drum, failed too early with alleviating ear-drum, and can obtains the deep richness of bass
The flexible and not ear-piercing preferable acoustical quality of high pitch.
To reach above-mentioned purpose, the present invention is achieved through the following technical solutions.
A kind of monofilm double-tone imitates difunctional bone conduction earphone, includes earphone case, the inside of earphone case forms court
Pleasant side or the accommodating cavity of skull side opening, earphone case in the opposite side of accommodating cavity aperture position be equiped with stretch to it is accommodating
The tone frequency channel wire of intracavitary, earphone case are embedded with the opening of accommodating cavity and are in close contact with the edge part of accommodating cavity opening and close
The non-porous lid of accommodating cavity opening is sealed, accommodating cavity is interior embedded with the vibration component being located on the inside of non-porous lid and positioned at vibration group
Audio signal input module between part and tone frequency channel wire；
Audio signal input module includes hollow voice coil loudspeaker voice coil winding and audio signal connecting plate, hollow voice coil loudspeaker voice coil winding, sound
Frequency line electrically connects with audio signal connecting plate respectively, and the positive pole of tone frequency channel wire passes through audio signal connecting plate and hollow voice coil loudspeaker voice coil winding
Positive pole is electrically connected, and the negative pole of tone frequency channel wire is electrically connected by audio signal connecting plate with the negative pole of hollow voice coil loudspeaker voice coil winding；
Vibration component includes the cylindrical magnetic conductive board of cylindrical form, the edge part of cylindrical magnetic conductive board and accommodating cavity
Inwall arranged for interval, cylindrical magnetic conductive board are equiped with circular annular permanent magnnet and in circle in away from non-porous lid side
The cylindrical permanent magnet of post shapes, the external diameter value of annular permanent magnnet are less than or equal to the maximum outside diameter of cylindrical magnetic conductive board
Value, the external diameter value of cylindrical permanent magnet is small compared with the centre bore inner diameter values of annular permanent magnnet, and cylindrical permanent magnet is flush-mounted in
In the centre bore of annular permanent magnnet, cylindrical permanent magnet, annular permanent magnnet and cylindrical magnetic conductive board are coaxially arranged, circle
Cylindricality permanent magnet closely touches with surface of the annular permanent magnnet respectively with cylindrical magnetic conductive board, connects with cylindrical magnetic conductive board
Both the polarity on tactile cylindrical permanent magnet surface, the polarity on annular permanent magnnet surface being in contact with cylindrical magnetic conductive board
Different, in the opposite side of cylindrical permanent magnet, annular permanent magnnet, coaxial seamless riveting has circular vibration to cylindrical magnetic conductive board
Sound film, the edge part of circular vibration sound film are installed between the edge part of non-porous lid and the edge part of accommodating cavity opening.
Wherein, the audio signal input module also includes voice coil loudspeaker voice coil winding support, and the hollow voice coil loudspeaker voice coil winding is installed in
Voice coil loudspeaker voice coil winding support and it is located at vibration component side, the audio signal connecting plate is installed in voice coil loudspeaker voice coil winding support and is located at hollow sound
Enclose the opposite side of winding, the diameter value of voice coil loudspeaker voice coil winding support be more than the external diameter value of hollow voice coil loudspeaker voice coil winding and voice coil loudspeaker voice coil winding support with it is hollow
Voice coil loudspeaker voice coil winding is coaxially arranged, and hollow voice coil loudspeaker voice coil winding is installed around by enamel covered wire to be formed, and the impedance value of hollow voice coil loudspeaker voice coil winding is 4-200
Europe.
Wherein, the relief width angle value hollow sound between the cylindrical permanent magnet and the annular permanent magnnet
The wall thickness value of circle winding is big, and hollow voice coil loudspeaker voice coil winding and cylindrical permanent magnet are coaxially arranged, and cylindrical permanent magnet and annular are forever
Just alignd with the wall thickness central of hollow voice coil loudspeaker voice coil winding at the center in the gap between long magnet.
Wherein, the hollow voice coil loudspeaker voice coil winding to the distance between the cylindrical magnetic conductive board is more than cylindrical magnetic conductive board most
Large amplitude value.
Wherein, the circular vibration sound film for not magnetically attractive stainless steel vibration sound film either titanium alloy vibration sound film or aluminium
Alloy vibration sound film or beryllium copper vibration sound film.
Wherein, the cylindrical permanent magnet is neodymium-iron-boron permanent magnet, and the annular permanent magnnet is that neodymium iron boron is permanent
Magnet.
Wherein, the cylindrical magnetic conductive board is fe-Ni soft magnetic alloy magnetic conductive board.
Wherein, the earphone case is Al-alloy casing either Stainless Steel Shell or engineering plastics housing, described non-porous
Lid is aluminium alloy lid either stainless steel cover or engineering plastics lid, and the thickness value of earphone case and non-porous lid is 0.3mm-
1.5mm。
Wherein, the non-porous lid is adhered to the accommodating cavity opening of the earphone case by glue.
Wherein, the outer surface of the earphone case offers the splicing groove that matching ends are hung with ear-hang or head.
Beneficial effects of the present invention are：A kind of monofilm double-tone of the present invention imitates difunctional bone conduction earphone, its earphone
The accommodating cavity opening of enclosure interior is embedded in non-porous lid, and earphone case installs tone frequency channel wire in the opposite side of accommodating cavity aperture position,
Setting-in vibration component, audio signal input module in accommodating cavity, audio signal input module includes hollow voice coil loudspeaker voice coil winding, audio is believed
Number connecting plate, hollow voice coil loudspeaker voice coil winding, tone frequency channel wire electrically connect with audio signal connecting plate respectively, and vibration component includes cylindrical magnetic conduction
Plate, annular permanent magnnet, cylindrical permanent magnet, cylindrical permanent magnet is in the centre bore of annular permanent magnnet, circle
Cylindricality permanent magnet, annular permanent magnnet, cylindrical magnetic conductive board are coaxially arranged, cylindrical permanent magnet and annular permanent magnnet phase
Heteropolarity face is in close contact cylindrical magnetic conductive board, and cylindrical magnetic conductive board is in the coaxial seamless riveting circle in the opposite side of cylindrical permanent magnet
Shape vibration sound film, the edge part of circular vibration sound film be installed in the edge part of non-porous lid and accommodating cavity opening edge part it
Between.By said structure design, the present invention can obtain bone conduction as the dual audio supplemented by main conductance and to the normal person of ear hearing,
Ear person hard of hearing can be suitable dual-use function, it is novel in design, simple in construction, can either by the control to conductance volume come
Effectively mitigate the burden to ear-drum and directly stimulation, failed too early with alleviating ear-drum, and can obtains the deep high resilience of bass
The not ear-piercing preferable acoustical quality with high pitch.
Brief description of the drawings
The present invention is further detailed below with accompanying drawing, but the embodiment in accompanying drawing is not formed to this hair
Bright any restrictions.
Fig. 1 is the structural representation of the present invention.
Include in Fig. 1：
1 --- earphone case 11 --- accommodating cavity
2 --- tone frequency channel wire 3 --- non-porous lids
4 --- vibration component 41 --- cylindrical magnetic conductive boards
42 --- annular permanent magnnet 43 --- cylindrical permanent magnets
44 --- circular vibration sound film 5 --- audio signal input modules
51 --- voice coil loudspeaker voice coil winding support 52 --- hollow voice coil loudspeaker voice coil windings
53 --- audio signal connecting plates 6 --- splice groove.
Embodiment
With reference to specific embodiment, the present invention will be described.
As shown in figure 1, a kind of monofilm double-tone imitates difunctional bone conduction earphone, include earphone case 1, earphone case 1
Inside forms the accommodating cavity 11 towards pleasant side or skull side opening, and earphone case 1 is opposite in the aperture position of accommodating cavity 11
Side is equiped with the tone frequency channel wire 2 stretched in accommodating cavity 11, and earphone case 1 is embedded with and accommodating cavity 11 in the opening of accommodating cavity 11
The non-porous lid 3 that the edge part of opening is in close contact and sealing accommodating cavity 11 is open, accommodating cavity 11 is interior to be embedded with positioned at non-porous
The vibration component 4 and the audio signal input module 5 between vibration component 4 and tone frequency channel wire 2 of the inner side of lid 3.
Further, audio signal input module 5 includes hollow voice coil loudspeaker voice coil winding 52 and audio signal connecting plate 53, empty
Heart sound circle winding 52, tone frequency channel wire 2 are electrically connected with audio signal connecting plate 53 respectively, and the positive pole of tone frequency channel wire 2 is connected by audio signal
Fishplate bar 53 electrically connects with the positive pole of hollow voice coil loudspeaker voice coil winding 52, and the negative pole of tone frequency channel wire 2 passes through audio signal connecting plate 53 and hollow sound
Enclose the negative pole electrical connection of winding 52.
Further, vibration component 4 includes the cylindrical magnetic conductive board 41 of cylindrical form, cylindrical magnetic conductive board 41
The inwall arranged for interval of edge part and accommodating cavity 11, cylindrical magnetic conductive board 41 are equiped with annular shape in away from the non-porous side of lid 3
Annular permanent magnnet 42 and cylindrical form cylindrical permanent magnet 43, the external diameter value of annular permanent magnnet 42 be less than or
Person is equal to the maximum outside diameter value of cylindrical magnetic conductive board 41, and the external diameter value of cylindrical permanent magnet 43 is compared with annular permanent magnnet 42
Heart hole inner diameter values are small, and cylindrical permanent magnet 43 is flush-mounted in the centre bore of annular permanent magnnet 42, cylindrical permanent magnet 43,
Annular permanent magnnet 42 and cylindrical magnetic conductive board 41 are coaxially arranged, and cylindrical permanent magnet 43 is distinguished with annular permanent magnnet 42
Closely touched with the surface of cylindrical magnetic conductive board 41, the surface of cylindrical permanent magnet 43 being in contact with cylindrical magnetic conductive board 41
Both polarity, the polarity on the surface of annular permanent magnnet 42 being in contact with cylindrical magnetic conductive board 41 different, cylindrical magnetic conductive board 41
In the opposite side of cylindrical permanent magnet 43, annular permanent magnnet 42, coaxial seamless riveting has circular vibration sound film 44, and circle is shaken
The edge part of dynamic sound film 44 is installed between the edge part of non-porous lid 3 and the edge part of the opening of accommodating cavity 11.
In the course of work of the present invention, audio signal pass sequentially through tone frequency channel wire 2, audio signal connecting plate 53 and input to sky
Heart sound circle winding 52, electromagnetic field caused by hollow voice coil loudspeaker voice coil winding 52 change with the change of audio signal, change
Electromagnetic field and the magnetic circuit component phase interaction being made up of cylindrical permanent magnet 43, annular permanent magnnet 42, cylindrical magnetic conductive board 41
With, and drive circular vibration sound film 44 to make the vibration of different frequency amplitude by magnetic circuit component；The circular vibration sound film 44 of vibration will
Vibration wave is delivered to close-connected earphone case 1 and non-porous lid 3, and earphone case 1 and non-porous lid 3 touch otica or cranium
Audio oscillator signal is directly transferred to brain hearing organ by the position of bone, and user obtains bone conduction audio.In addition, earphone case
1 and non-porous lid 3 caused by slight vibration ripple simultaneously drive surrounding air to vibrate, i.e., user passes through ear-drum brain auditory organ
Official obtains the audio of conductance, and the hearing organ of such user obtains bone conduction and the dual audio of conductance simultaneously, and existing bone conduction is low
Sound it is deep and forceful rich in telepresenc the advantages of, have the brisk bright audio advantage of conductance again, both overcome simple osophone sound
Matter is heavy stuffy and simple conductance earphone high pitch is easily ear-piercing and the shortcomings that damaging ear-drum, sound the deep high resilience of bass,
High pitch is relatively soft without ear-piercing, on the one hand alleviates the stimulation to ear-drum and burden and is advantageous to alleviate the fatigue and damage of ear-drum
Wound, to prevent hearing from failing too early, on the other hand hearing is weakened again and forfeiter provides another approach for obtaining sound, i.e.,
The normal person of hearing and person hard of hearing can be applied to simultaneously.
From the above situation, it can be seen that, by said structure design, the present invention can obtain bone conduction to be double supplemented by main conductance
Stress imitate and can be suitable to the normal person of ear hearing, ear person hard of hearing dual-use function, it is novel in design, simple in construction, can
Enough burdens effectively mitigated to ear-drum and directly stimulation, and can are enough effectively alleviated ear-drum and failed too early.
As preferred embodiment, as shown in figure 1, audio signal input module 5 also includes voice coil loudspeaker voice coil winding support 51,
Hollow voice coil loudspeaker voice coil winding 52 is installed in voice coil loudspeaker voice coil winding support 51 and is located at the side of vibration component 4, and audio signal connecting plate 53 is installed in sound
Enclose winding support 51 and be located at hollow 52 opposite side of voice coil loudspeaker voice coil winding, the diameter value of voice coil loudspeaker voice coil winding support 51 is more than hollow voice coil loudspeaker voice coil winding
52 external diameter value and voice coil loudspeaker voice coil winding support 51 and hollow voice coil loudspeaker voice coil winding 52 are coaxially arranged.It need to be explained further, voice coil loudspeaker voice coil winding support
51 are used for the hollow voice coil loudspeaker voice coil winding 52 of fixed support and audio signal connecting plate 53.
As preferred embodiment, as shown in figure 1, between cylindrical permanent magnet 43 and annular permanent magnnet 42
Gap width value is big compared with the wall thickness value of hollow voice coil loudspeaker voice coil winding 52, and hollow voice coil loudspeaker voice coil winding 52 and cylindrical permanent magnet 43 are coaxially arranged,
The wall thickness central of the center in the gap between cylindrical permanent magnet 43 and annular permanent magnnet 42 and hollow voice coil loudspeaker voice coil winding 52 is just
Alignment；In addition, hollow voice coil loudspeaker voice coil winding 52 is more than the peak swing value of vibration component 4 to the distance between cylindrical magnetic conductive board 41.
By said structure design, the present invention can be effectively prevented from vibration when cylindrical permanent magnet 43, annular permanent magnnet 42 with
And cylindrical magnetic conductive board 41 is produced with hollow voice coil loudspeaker voice coil winding 52 and disorderly touched.
It need to be explained further, circular vibration sound film 44 of the invention can use the stainless steel material or titanium alloy of not magnetically attractive
Material either aluminium alloy or the beryllium copper material intensity metal material lighter compared with high-ductility elasticity good quality or other materials system
Standby to form, i.e., for the stainless steel vibration sound film of not magnetically attractive, either titanium alloy vibration sound film or aluminium alloy shake circular vibration sound film 44
The dynamic sound film vibration sound film that either beryllium copper vibration sound film or other materials are prepared.In addition, will according to the difference to tonequality
Ask, circular vibration sound film 44 of the invention can be designed to planar structure, can also be designed to stereochemical structure.
The high NdFeB material system of performance can be respectively adopted in cylindrical permanent magnet 43, the annular permanent magnnet 42 of the present invention
Standby to form, i.e., cylindrical permanent magnet 43 is neodymium-iron-boron permanent magnet, and annular permanent magnnet 42 is neodymium-iron-boron permanent magnet.Separately
Outside, cylindrical magnetic conductive board 41 of the invention can use the high permeability material of fe-Ni soft magnetic alloy class to be prepared, i.e., cylindrical
Magnetic conductive board 41 is fe-Ni soft magnetic alloy magnetic conductive board.
It should further be noted that the earphone case 1 and non-porous lid 3 of the present invention can use the higher aluminium of light specific gravity intensity to close
Either stainless steel material or engineering plastics are prepared golden material, i.e., earphone case 1 is Al-alloy casing or stainless steel case
Body or engineering plastics housing, non-porous lid 3 are aluminium alloy lid either stainless steel cover or engineering plastics lid；In addition, ensureing
On the basis of intensity, the thickness value of earphone case 1 and non-porous lid 3 may be designed as 0.3mm-1.5mm.
The situation that issuable noise and non-porous lid 3 release from earphone case 1 during to prevent work, earphone case
1 and non-porous lid 3 can using glue bonding by the way of realize assembly connection, non-porous lid 3 is adhered to earphone case 1 by glue
The opening of accommodating cavity 11, i.e., the present invention machinery fasten it is Nian Jie with glue by way of realize non-porous lid 3, circular vibration sound
The opening edge part of film 44 and accommodating cavity 11 is in close contact connection；On the basis of glue bonding, can also machinery be used to receive
Tight mode further stablizes the connection between earphone case 1 and non-porous lid 3, such as is spirally connected, snapping etc..
The hollow voice coil loudspeaker voice coil winding 52 of the present invention is installed around by enamel covered wire to be formed, and the impedance value of hollow voice coil loudspeaker voice coil winding 52 is 4-
200 Europe, you can the hollow voice coil loudspeaker voice coil winding 52 of different impedance values is selected according to different specifications.
As preferred embodiment, the outer surface of earphone case 1 offers hangs matching ends with ear-hang or head
Splice groove 6.In use, the present invention can hang by ear-hang or head and be worn on outside two ears of left and right, connect audio player or
The equipment such as audiphone obtain the benefit of conductance audio by ear-drum simultaneously by the transaudient acquisition external sound of skull, the normal person of hearing
Fill, so contribute to outdoor exercises person or bicyclist using when release ears notice the voice signal on periphery, not only safety but also side
Just.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, there will be changes, this specification content should not be construed as to the present invention in specific embodiments and applications
Limitation.
Claims (10)
1. a kind of monofilm double-tone imitates difunctional bone conduction earphone, it is characterised in that：Include earphone case（1）, earphone case（1）
Inside form accommodating cavity towards pleasant side or skull side opening（11）, earphone case（1）In accommodating cavity（11）Be open position
The opposite side put, which is equiped with, stretches to accommodating cavity（11）Interior tone frequency channel wire（2）, earphone case（1）In accommodating cavity（11）Opening
It is embedded with and accommodating cavity（11）The edge part of opening is in close contact and sealing accommodating cavity（11）The non-porous lid of opening（3）, hold
Put chamber（11）Interior be embedded with is located at non-porous lid（3）The vibration component of inner side（4）And positioned at vibration component（4）With tone frequency channel wire
（2）Between audio signal input module（5）；
Audio signal input module（5）Include hollow voice coil loudspeaker voice coil winding（52）And audio signal connecting plate（53）, hollow voice coil loudspeaker voice coil
Winding（52）, tone frequency channel wire（2）Respectively with audio signal connecting plate（53）Electrical connection, tone frequency channel wire（2）Positive pole pass through audio signal
Connecting plate（53）With hollow voice coil loudspeaker voice coil winding（52）Positive pole electrical connection, tone frequency channel wire（2）Negative pole pass through audio signal connecting plate
（53）With hollow voice coil loudspeaker voice coil winding（52）Negative pole electrical connection；
Vibration component（4）Include the cylindrical magnetic conductive board of cylindrical form（41）, cylindrical magnetic conductive board（41）Edge part with
Accommodating cavity（11）Inwall arranged for interval, cylindrical magnetic conductive board（41）In away from non-porous lid（3）Side is equiped with annular shape
Annular permanent magnnet（42）And the cylindrical permanent magnet of cylindrical form（43）, annular permanent magnnet（42）External diameter value it is small
In or equal to cylindrical magnetic conductive board（41）Maximum outside diameter value, cylindrical permanent magnet（43）The more annular permanent magnetic of external diameter value
Iron（42）Centre bore inner diameter values it is small, cylindrical permanent magnet（43）Flush-mounted in annular permanent magnnet（42）Centre bore in, circle
Cylindricality permanent magnet（43）, annular permanent magnnet（42）And cylindrical magnetic conductive board（41）It is coaxially arranged, cylindrical permanent magnet
（43）With annular permanent magnnet（42）Respectively with cylindrical magnetic conductive board（41）Surface closely touch, with cylindrical magnetic conductive board（41）
The cylindrical permanent magnet being in contact（43）The polarity on surface and cylindrical magnetic conductive board（41）The annular permanent magnnet being in contact
（42）Both the polarity on surface is different, cylindrical magnetic conductive board（41）In cylindrical permanent magnet（43）, annular permanent magnnet（42）
The coaxial seamless riveting in opposite side have circular vibration sound film（44）, circular vibration sound film（44）Edge part be installed in non-porous lid
（3）Edge part and accommodating cavity（11）Between the edge part of opening.
2. a kind of monofilm double-tone according to claim 1 imitates difunctional bone conduction earphone, it is characterised in that：The audio letter
Number input module（5）Also include voice coil loudspeaker voice coil winding support（51）, the hollow voice coil loudspeaker voice coil winding（52）It is installed in voice coil loudspeaker voice coil winding support
（51）And it is located at vibration component（4）Side, the audio signal connecting plate（53）It is installed in voice coil loudspeaker voice coil winding support（51）And positioned at sky
Heart sound circle winding（52）Opposite side, voice coil loudspeaker voice coil winding support（51）Diameter value be more than hollow voice coil loudspeaker voice coil winding（52）External diameter value and sound
Enclose winding support（51）With hollow voice coil loudspeaker voice coil winding（52）It is coaxially arranged, hollow voice coil loudspeaker voice coil winding（52）Installed around and formed by enamel covered wire,
Hollow voice coil loudspeaker voice coil winding（52）Impedance value be 4-200 Europe.
3. a kind of monofilm double-tone according to claim 2 imitates difunctional bone conduction earphone, it is characterised in that：The cylinder
Permanent magnet（43）With the annular permanent magnnet（42）Between the relief width angle value hollow voice coil loudspeaker voice coil winding（52）Wall
Thickness value is big, hollow voice coil loudspeaker voice coil winding（52）With cylindrical permanent magnet（43）It is coaxially arranged, cylindrical permanent magnet（43）With annular
Permanent magnet（42）Between gap center and hollow voice coil loudspeaker voice coil winding（52）Wall thickness central just align.
4. a kind of monofilm double-tone according to claim 3 imitates difunctional bone conduction earphone, it is characterised in that：The hollow sound
Enclose winding（52）To the cylindrical magnetic conductive board（41）The distance between be more than cylindrical magnetic conductive board（41）Peak swing value.
5. a kind of monofilm double-tone according to claim 4 imitates difunctional bone conduction earphone, it is characterised in that：The circle is shaken
Dynamic sound film（44）For stainless steel vibration sound film either titanium alloy vibration sound film or aluminium alloy vibration sound film or the beryllium of not magnetically attractive
Copper vibration sound film.
6. a kind of monofilm double-tone according to claim 5 imitates difunctional bone conduction earphone, it is characterised in that：The cylinder
Permanent magnet（43）For neodymium-iron-boron permanent magnet, the annular permanent magnnet（42）For neodymium-iron-boron permanent magnet.
7. a kind of monofilm double-tone according to claim 6 imitates difunctional bone conduction earphone, it is characterised in that：The cylinder
Magnetic conductive board（41）For fe-Ni soft magnetic alloy magnetic conductive board.
8. a kind of monofilm double-tone according to claim 7 imitates difunctional bone conduction earphone, it is characterised in that：The ear casing
Body（1）For Al-alloy casing either Stainless Steel Shell or engineering plastics housing, the non-porous lid（3）For aluminium alloy lid or
Stainless steel cover or engineering plastics lid, earphone case（1）And non-porous lid（3）Thickness value be 0.3mm-1.5mm.
9. a kind of monofilm double-tone according to claim 8 imitates difunctional bone conduction earphone, it is characterised in that：The no port lid
Son（3）The earphone case is adhered to by glue（1）Accommodating cavity（11）Opening.
10. a kind of monofilm double-tone according to claim 9 imitates difunctional bone conduction earphone, it is characterised in that：The earphone
Housing（1）Outer surface offer the splicing groove that matching ends are hung with ear-hang or head（6）.
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| CN104394492B true CN104394492B (en) | 2018-03-16 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104936108B (en) * | 2015-06-11 | 2018-06-26 | 深圳市喜声多媒体技术有限公司 | A kind of bone-conduction speaker device |
| CN106419954B (en) * | 2016-09-26 | 2019-05-21 | 珠海爱珂索移动医疗科技有限公司 | One kind being suitable for stethoscopic vibration restoring method |
| CN207744106U (en) * | 2017-02-10 | 2018-08-17 | 深圳市启元数码科技有限公司 | A kind of new waterproof bone conduction earphone |
| CN114866930A (en) | 2018-06-15 | 2022-08-05 | 深圳市韶音科技有限公司 | Bone conduction loudspeaker |
| CN115334435A (en) * | 2020-08-29 | 2022-11-11 | 深圳市韶音科技有限公司 | Hearing assisting device |
| EP3993445A4 (en) * | 2020-08-29 | 2022-09-07 | Shenzhen Shokz Co., Ltd. | Hearing aid device |
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