CN105472511B - A kind of bone-conduction speaker device of pair of positioning formula - Google Patents

A kind of bone-conduction speaker device of pair of positioning formula Download PDF

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Publication number
CN105472511B
CN105472511B CN201510864676.XA CN201510864676A CN105472511B CN 105472511 B CN105472511 B CN 105472511B CN 201510864676 A CN201510864676 A CN 201510864676A CN 105472511 B CN105472511 B CN 105472511B
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flexible member
magnetic
bone
housing
voice coil
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CN105472511A (en
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齐心
张磊
李东哲
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Shenzhen Voxtech Co Ltd
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Shenzhen Voxtech Co Ltd
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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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The invention discloses the bone-conduction speaker device of a kind of pair of positioning formula.The bone-conduction speaker device of this pair positioning formula includes：Supporting part；Magnet assembly, the magnet assembly at least includes a magnetic part；Positioning component, the positioning component at least includes two flexible members；Wherein, magnet assembly and positioning component are arranged on supporting part；Two flexible members are connected respectively at the magnet assembly；Position between magnet assembly and the supporting part keeps being relatively fixed.The present invention is by setting double locating structure, it is ensured that bone-conduction speaker operationally, makes the relative position of magnetic gap and voice coil loudspeaker voice coil keep initial, set position, and then avoid the generation of noise, it is ensured that the tonequality of loudspeaker；And can make it that bone-conduction speaker device is thinner, volume is smaller, weight is lighter；Strengthen the sensitivity of device while noise is reduced, reduce power consumption.

Description

A kind of bone-conduction speaker device of pair of positioning formula
Technical field
The present invention relates to a kind of bone-conduction speaker, more particularly to the bone-conduction speaker dress of a kind of pair of positioning formula Put.
Background technology
In general, acoustical vibration is the eardrum into ear by air borne, and drum vibration of membrane is again by eardrum Three phonophores of side travel to cochlea, and then vibration is converted to the vibration for the lymph being full of in cochlea.Lymph Vibration is converted to bioelectrical signals, and is delivered to the auditory center of brain temporal lobe by auditory nerve, so that human brain can just be known Other sound.And bone-conduction speaker is then the process for eliminating acoustical vibration by eardrum and phonophore, the vibration of sound is led to Cross cranium and be directly delivered to cochlea, even if eardrum and phonophore have the low person of abnormal hearing, osteoacusis road can also be utilized Footpath can clearly hear sound.
In the prior art, bone-conduction speaker is generally used for special application scenario, such as police or military communications equipment In, but with the progressively development of technology, currently extended to civil area.Because its conduction pattern is by bone conduct vibrations , bone-conduction speaker is very strong to the interference resistivity of noise, is therefore particularly suited for using in noisy environment out of doors.And For civilian technology, the use of loudspeaker usually requires to take into account sound quality problem, however, current bone-conduction speaker exists always This direction does not have good breakthrough（Police or military bone-conduction speaker is not strict with to tonequality, it is only necessary to which voice leads to Interrogate information clear.The Hz-KHz of current police or military bone-conduction speaker is very narrow, and in view of durable in use Property and cost, assembly technology etc. require that what it was used is usually moving-iron type structure technology）.
At present, bone-conduction speaker has developed into various species and form.For example, the Chinese patent of applicant " a kind of bone-conduction speaker and its compound vibrating device ", as described in Fig. 1 to 5, this bone are disclosed in application CN102497612A Conduction speaker includes vibration-transmitting plate 100, oscillating plate 200, plastic washers 300, annular magnetic conductive board 400, voice coil loudspeaker voice coil 500, interior magnetic conductive board 600th, toroidal magnet 700, inner magnet 800, bottom plate 900 and panel 110.Wherein, plastic washers 300, annular magnetic conductive board 400, This six component physicals of toroidal magnet 700, bottom plate 900, inner magnet 800 and interior magnetic conductive board 600 link together, part I, annular magnetic conductive board 400, toroidal magnet 700, bottom plate 900, inner magnet 800 and interior magnetic conductive board 600 constitute magnetic system, and this five Individual part is arranged concentrically, and it is strong to form most strong magnetic field in the gap between interior magnetic conductive board 600 and annular magnetic conductive board 700 Degree, the gap between interior magnetic conductive board 600 and annular magnetic conductive board 700 is magnetic gap 120.
Vibration-transmitting plate 100, oscillating plate 200, panel 110 and the part II of voice coil loudspeaker voice coil 500, wherein vibration-transmitting plate 100, oscillating plate 200 are physically joined together with the center of panel 110 and constitute oscillating component, and vibration-transmitting plate 100 and oscillating plate 200 are flexible member, Edge interlocks, and forms double-deck vibrational structure, and voice coil loudspeaker voice coil 500 is physically coupled to the downside of torus 201 of oscillating plate 200.Part ii phase Part I is done along the longitudinally opposed of magnet axis direction and moved.
Part I and part ii relative motion, its driving force derive from the magnetic field in the magnetic gap 120 in part I and are located at The effect between the electric current in the voice coil loudspeaker voice coil 500 for belonging to part ii in magnetic gap 120.
By flexible member it is that vibration-transmitting plate 100 and oscillating plate 200 are connected between part I and part ii, in electromagnetic drive Under, just stably and controllable relative motion can occur for two parts, and externally output vibration, makes one to hear sound.
Although this bone-conduction speaker from principle for can work well, still encountered in engineering practice Following two problems：1st, while sensitivity increase, noise is had.Because in design in order to increase the sensitivity of device, all The size of magnetic gap 120 can be reduced as far as possible to increase the magnetic induction intensity in magnetic gap 120, it is therefore desirable to which voice coil loudspeaker voice coil 500 is between magnetic It is accurately positioned in gap 120, otherwise voice coil loudspeaker voice coil 500 will be encountered on interior magnetic conductive board 600 or annular magnetic conductive board 700, produce noise.And It is to increase another sensitive design alternative：It is as far as possible that vibration-transmitting plate 100 and oscillating plate 200 do soft flexible member, selects small Coefficient of elasticity to reduce resistance.And the demand for being accurately positioned to voice coil loudspeaker voice coil 500 and flexible member being done into soft these two aspects is contradiction , because the quality of magnetic system causes the quality of part I very big, as shown in figure 4, when user normally wears bone-conduction speaker When, vibrating speaker is placed vertically, and too soft flexible member can let droop pendant simultaneously under the Action of Gravity Field of the part I of big quality Outwards rollover, the position for making the relative position between voice coil loudspeaker voice coil 500 and above-mentioned magnetic gap 120 not initially set up in technical staff, hair Raw skew.And this skew it is serious when, will result in noise, reduce the tonequality of bone-conduction speaker.2nd, while noise is reduced, Sensitivity can be reduced.Because conventional art personnel is solve souffle problem, common selection is that increase flexible member is vibration-transmitting plate 100 and the hardness of oscillating plate 200, and increase magnetic gap 120, this technical measures also can seriously drop while tonequality is improved The sensitivity of low device so that similar device is wanted to send identical big volume, it is necessary to the bigger power of consumption, and have bigger Volume, more bulky profile.
In summary, in order to solve that existing bone-conduction speaker magnetic field intensity is low, noise is more, lower tone, sensitivity it is low, Big energy-consuming and bulky problem, urgent need will carry out structure improvement to existing bone-conduction speaker, to meet consumer's Use demand.
The content of the invention
One object of the present invention, is the bone-conduction speaker device for providing a kind of pair of positioning formula, it can avoid shaking Dynamic component is affected by gravity the deflection of generation in vibration processes.
Another object of the present invention, is the bone-conduction speaker device for providing a kind of pair of positioning formula, its bullet used Property element suspension can further improve sensitivity.
Another object of the present invention, is the bone-conduction speaker device for providing a kind of pair of positioning formula, it can change While kind loudspeaker tonequality, the sensitivity of loudspeaker device is not influenceed.
A further object of the present invention, is the bone-conduction speaker device for providing a kind of pair of positioning formula, it can reduce Volume and mitigation weight.
To reach above-mentioned purpose, the present invention uses following technical scheme：
The bone-conduction speaker device of a kind of pair of positioning formula, it is characterised in that the bone-conduction speaker device includes：
Supporting part；
Magnet assembly, the magnet assembly at least includes a magnetic part；
Positioning component, the positioning component at least includes two flexible members；
The magnet assembly and the positioning component are arranged on the supporting part；
Two flexible members are connected with the magnet assembly respectively；
Position between the magnet assembly and the supporting part keeps being relatively fixed.
As a kind of preferred scheme of bone-conduction speaker device,
The magnet assembly at least includes the first magnetic part 5,16 and the second magnetic part 7,17, first magnetic part 5,16 For magnetic conductor or magnet, second magnetic part 7,17 is magnetic conductor or magnet；
There is magnetic gap 10,15 between first magnetic part 5,16 and second magnetic part 7,17.
Magnetic conductor is also known as field concentrator or iron core, is the lamination or block elements being made up of soft magnetic materials, conventional leads Magnet material：Silicon steel sheet, ferrite and iron.
Magnetic conductor is such as the electric conductor in transmission system, resistance very little, it is easy to which electric current is by similar, and the magnetic resistance of magnetic conductor is very It is small, it is easy to which that magnetic flux passes through.
As a kind of preferred scheme of bone-conduction speaker device,
The positioning component includes the first flexible member 2,12 and the second flexible member 8,18；
On the bearing of trend of first flexible member 2,12, first flexible member 2,12 causes the first magnetic part 5th, the position between 16 and the supporting part keeps being relatively fixed；
On the bearing of trend of second flexible member 8,18, second flexible member 8,18 causes the second magnetic part 7th, the position between 17 and the supporting part keeps being relatively fixed.
By be respectively provided with the first magnetic part 5,16 and the second magnetic part 7,17 positioning action the first flexible member 2, 12 and second flexible member 8,18, double positioning are formed to magnet assembly, make the first magnetic part 5,16 and the second magnetic part 7,17 with Position between flexible member is kept on the bearing of trend in first flexible member 2,12 and the second flexible member 8,18 It is relatively fixed.So as in loudspeaker overall work, enable the relative position of magnetic gap and voice coil loudspeaker voice coil to keep in the axial direction Initial, set position, and then it is affected by gravity in vibration processes to avoid magnet assembly, voice coil loudspeaker voice coil etc., produces radial deflection Even significantly deflection, so as to avoid the generation of caused noise therefrom, it is ensured that the tonequality of loudspeaker.
As a kind of preferred scheme of bone-conduction speaker device,
The bearing of trend of first flexible member 2,12 is parallel with the bearing of trend of second flexible member 8,18；
The magnet assembly has the axis of symmetry, and the axis direction of the magnet assembly and first flexible member 2nd, 12 bearing of trend, second flexible member 8,18 bearing of trend it is vertical.
The bearing of trend of the bearing of trend of first flexible member 2,12 and second flexible member 8,18 is set to put down OK, it is and vertical with the axis direction of the magnet assembly, so that during loudspeaker overall work, making voice coil loudspeaker voice coil in magnetic gap Relative position can keep initial, set position in the axial direction, and then avoid magnet assembly, voice coil loudspeaker voice coil etc. vibrated It is affected by gravity in journey, produce radial deflection.
As a kind of preferred scheme of bone-conduction speaker device,
The supporting part includes the first housing 1,11 and the second housing 9,19；
First housing 1,11 and the second housing 9,19 form empty for the receiving of housing magnetic components, positioning component Between；
Also, on the bearing of trend of first flexible member 2,12, first flexible member 2,12 causes first Position between magnetic part 5,16 and first housing 1,11 keeps being relatively fixed.
On the bearing of trend of second flexible member 8,18, second flexible member 8,18 causes the second magnetic part 7th, the position between 17 and second housing 9,19 keeps being relatively fixed.
Supporting part can also be supporting structure in addition to the housing being oppositely arranged using described above two, as long as Magnet assembly and positioning component can be played a supporting role.
As a kind of preferred scheme of bone-conduction speaker device,
Be provided with first step 51,161 on first magnetic part 5,16, with by first step 51,161 in the first magnetic Oscillation space is formed between property part 5,16 and the first flexible member 2,12.
Be provided with second step 71,171 on second magnetic part 7,17, with by second step 71,171 in the second magnetic Oscillation space is formed between property part 7,17 and the second flexible member 8,18.
Flexible member drives magnet assembly vibration, flexible member be it is maximum along axis of symmetry Direction distortion in central area, It is minimum with packing ring or the region deformation of case bonding on side, and the displacement of magnet assembly in the axial direction is flexible member center Deflection, first step 51,161 and second step 71,171 are to ensure to form vibration sky between magnet assembly and flexible member Between, first step 51,161 and second step 71,171 have certain requirement for height, to avoid magnet assembly in motion process Flexible member is got to, noise is formed.
Side of the first step 51,161 away from second magnetic part 7,17 sets the first location division 52,162.
Side of the second step 71,171 away from first magnetic part 5,16 sets the second location division 72,172.
The first positioning hole being engaged with first location division 52,162 is provided with first flexible member 2,12 21st, 121, the second positioning hole being engaged with second location division 72,172 is provided with second flexible member 8,18 81、181。
As a kind of preferred scheme of bone-conduction speaker device,
Have on second magnetic part 7,17 to the extended annular sidewall 73 in first magnetic part 5,16 directions, 173, form the magnetic gap 10,15 between the annular sidewall 73,173 and first magnetic part 5,16.
As a kind of preferred scheme of bone-conduction speaker device, in addition to voice coil loudspeaker voice coil 4,14, the voice coil loudspeaker voice coil 4,14 is at least A part is arranged in the magnetic gap 10,15 between first magnetic part 5,16 and second magnetic part 7,17.
As a kind of preferred scheme of bone-conduction speaker device, set between the first housing 1,11 and the second housing 9,19 Packing ring 3,13 is equipped with, the packing ring 3,13 is ring washer, and the voice coil loudspeaker voice coil 4,14 is fixed on the packing ring 3,13.
As a kind of preferred scheme of bone-conduction speaker device, first flexible member 2,12 and second elasticity Element 8,18 is located at the both sides of first magnetic part 5,16 and the second magnetic part 7,17 respectively, and first flexible member 2, 12 are fixedly connected with the packing ring 3,13 and first magnetic part 5,16, second flexible member 8,18 and described second Housing 9,19 and second magnetic part 7,17 are fixedly connected with.
As a kind of preferred scheme of bone-conduction speaker device, first flexible member 2,12 includes the first interior annular Body and the first cylindrical ring body, are uniformly arranged at least two first between the first inner circle ring body and the first cylindrical ring body Bar 22,122；
And/or, second flexible member 8,18 includes the second inner circle ring body and the second cylindrical ring body, in described second At least two second poles 82,182 are uniformly arranged between torus and the second cylindrical ring body.
As a kind of preferred scheme of bone-conduction speaker device, the first positioning is provided with the first inner circle ring body Hole 21,121；The second positioning hole 81,181 is provided with the second inner circle ring body；And/or
To setting first pole of center influx between the first inner circle ring body and the first cylindrical ring body, First pole is preferably straight-bar；
To setting second pole of center influx between the second inner circle ring body and the second cylindrical ring body, Second pole is preferably straight-bar.
As a kind of preferred scheme of bone-conduction speaker device, with the first magnetic part 5,16 and/or magnet assembly In the vertical direction of axis, i.e., on the bearing of trend of the first flexible member 2,12, the first flexible member 2,12 and the first housing 1st, there is between 11 gap or gapless；
And/or, with the vertical direction of the first magnetic part 5,16 and/or the axis of magnet assembly, i.e., described second On the bearing of trend of flexible member 8,18, between second flexible member 8,18 and second housing 9,19 have gap or Gapless.
As a kind of preferred scheme of bone-conduction speaker device, first magnetic part the 5,16, second magnetic part 7,17 is indirect Or directly bond together；And/or, the first housing 1,11, the 3,13, second housing of packing ring 9,19 are fixed together, voice coil loudspeaker voice coil 4,14 It is arranged on packing ring 3,13.
It is used as a kind of preferred scheme of bone-conduction speaker device, center and the first magnetic part of the first flexible member 2,12 5th, 16 the first location division 52,162 engaging and/or bonding；And/or
The upper surface of the periphery lower surface bonds packing ring 3,13 of first flexible member 2,12；
The center of second flexible member 8,18 engages and/or viscous with the second location division 72,172 of the second magnetic part 7,17 Connect；And/or
The periphery of second flexible member 8,18 is fixed on the second housing 9,19.
First flexible member 2,12 engages or bonding way with the connected mode of the first magnetic part 5,16 except using, and may be used also Think bolt connection or other achievable connected modes.
Second flexible member 8,18 engages or bonding way with the connected mode of the second magnetic part 7,17 except using, and may be used also Think bolt connection or other achievable connected modes.
Prior art is contrasted, beneficial effects of the present invention are：(1), the present invention is by the first magnetic part and the second magnetic Flexible member is respectively provided with part, double positioning are formed to magnet assembly, are made between the first magnetic part and the second magnetic part and supporting part Position be relatively fixed so that in speaker operation, the relative position of magnetic gap and voice coil loudspeaker voice coil is kept initial, set position, enter And avoid the generation of noise, it is ensured that the tonequality of loudspeaker.(2), can make it that bone-conduction speaker device is thinner, volume more Small, weight is lighter.(3), strengthen the sensitivity of device while noise is reduced, reduce power consumption.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of existing bone-conduction speaker.
Fig. 2 is the schematic perspective view of the vibrating mass of the loudspeaker shown in Fig. 1.
Fig. 3 is the exploded perspective schematic diagram of the loudspeaker shown in Fig. 1.
Fig. 4 is the wearing state schematic diagram of the loudspeaker shown in Fig. 1.
Fig. 5 is Fig. 1 loudspeaker vibration direction schematic diagram.
Fig. 6 is the exploded perspective schematic diagram of the bone-conduction speaker device of double positioning formulas described in embodiment one.
Fig. 7 is the schematic cross-sectional view of the bone-conduction speaker device of double positioning formulas shown in Fig. 6.
Fig. 8 be in Fig. 7 A to close-up schematic view.
Fig. 9 is the combination diagram of the bone-conduction speaker device of double positioning formulas described in embodiment one（Remove support Portion）.
Figure 10 is the assembling schematic diagram of magnet assembly, positioning component and voice coil loudspeaker voice coil in Fig. 9.
Figure 11 is the assembling schematic diagram of magnet assembly and positioning component in Fig. 9.
Figure 12 is the structural representation of magnet assembly in Fig. 9.
Figure 13 is Figure 12 schematic cross-sectional view.
Figure 14 is the exploded perspective schematic diagram of the bone-conduction speaker device of double positioning formulas described in embodiment two.
Figure 15 is the schematic cross-sectional view of the bone-conduction speaker device of double positioning formulas shown in Figure 14.
Figure 16 is the schematic cross-sectional view of the bone-conduction speaker device of double positioning formulas described in embodiment three.
Figure 17 is the schematic cross-sectional view of the bone-conduction speaker device of double positioning formulas described in example IV.
Figure 18 is the schematic cross-sectional view of the bone-conduction speaker device of double positioning formulas described in embodiment five.
Figure 19 is the schematic cross-sectional view of the bone-conduction speaker device of double positioning formulas described in embodiment six.
Figure 20 is the schematic cross-sectional view of the bone-conduction speaker device of double positioning formulas described in embodiment seven.
Figure 21 is the schematic cross-sectional view of the bone-conduction speaker device of double positioning formulas described in embodiment eight.
Figure 22 is the schematic cross-sectional view of the bone-conduction speaker device of double positioning formulas described in embodiment nine.
Figure 23 is the bone-conduction speaker finite element modelling magnetic induction intensity point of double positioning formulas the presence or absence of described in embodiment ten Cloth comparison diagram.
Figure 24 is the bone-conduction speaker finite element modelling frequency response contrast of double positioning formulas the presence or absence of described in embodiment ten Figure.
Embodiment
Embodiment one
A kind of structural representation of the bone-conduction speaker device of double positioning shown in Fig. 7.The bone-conduction speaker of double positioning Device can include magnet assembly, supporting part, the elastic positioning member between magnet assembly and supporting part, voice coil loudspeaker voice coil and pad Circle.
Supporting part can include the first housing 1 and the second housing 9, and the first housing 1 connects to being formed and is used for the second housing 9 The receiving space of housing magnetic components, flexible member and/or voice coil loudspeaker voice coil.First housing 1 can be in same with the first magnetic conductor 5 Side, can have gap between the two.Second housing 9 can be in the same side with the second magnetic conductor 7, can have between the two Gap.Supporting part mentioned here can be support, or other that support work can be played to magnet assembly and positioning component Device.
A packing ring 3 can be fixedly installed in the receiving space that first housing 1 and the second housing 9 are formed, the packing ring 3 is preferred For annular.The internal diameter of ring washer 3 is less than the internal diameter of the first housing 1 and the second housing 9 so that the inner side edge of the ring washer 3 Protruded relative to the first housing 1 and the second housing 9 towards inner side, the external diameter of ring washer 3 and the first housing 1 and the second housing 9 External diameter can be with identical, can also be different.Preferably, the external diameter of the external diameter of ring washer 3 and the first housing 1 and the second housing 9 It is identical, to form smooth, smooth outerplanar.Packing ring 3 can be fixedly installed on the first housing 1 and the joint of the second housing 9, The inner side of the receiving space of the first housing 1 and the formation of the second housing 9 can be fixedly installed in.Packing ring 3, the first housing 1 and second shell It can be connected as one between body 9 by the way of certain.Above-mentioned connected mode can be physics mode, such as clamping and weldering Connect or chemical mode, for example, bond, it is preferable that can be using bonding between packing ring 3, the first housing 1 and the second housing 9 Mode is connected as one.
Step surface 91, the second flexible member are set on the inner side of the second housing 9, the i.e. side towards the first housing 1, bottom surface 8 lower surface is fixedly installed on step surface 91.Second flexible member 8 and step surface 91 can be connected to one in some way Rise, above-mentioned connected mode can be physics mode, for example, engage and weld or chemical mode, for example, bond, preferably Ground, can be connected between the second flexible member 8 and step surface 91 by bonding mode.
A voice coil loudspeaker voice coil 4 can be fixedly installed on packing ring 3, voice coil loudspeaker voice coil 4 is securable on the inside bottom surface of packing ring 3.The packing ring 3 with It can be connected as one between voice coil loudspeaker voice coil 4 by the way of certain.The connected mode can be physics mode, such as clamping and weldering Connect or chemical mode, for example, bond, it is preferable that connected as one between packing ring 3 and voice coil loudspeaker voice coil 4 using bonding way.Sound Circle 4 continues to extend downwardly from the inside bottom surface of packing ring 3, and the circumferential lateral edge 73 in the first magnetic conductor 5 and the second magnetic conductor In the magnetic gap formed.
Magnet assembly can include the first magnetic conductor 5, the second magnetic conductor 7 and magnet 6.Magnet mentioned here can be but It is not limited to the magnet materials, magnetic conductor said herein such as ferro-aluminum boron, cobalt nickel aluminium, rare earth material, composite and permanent-magnet ferrite Claim field concentrator or iron core, lamination or block elements that soft magnetic materials is made, soft magnetism material said herein can be but not limited to Material can be but not limited to silicon steel sheet, ferrite and iron.Magnet 6 can located at the first magnetic conductor 5 and the second magnetic conductor 7 it Between, it is preferable that the first magnetic conductor 5 and the second magnetic conductor 7 are individually fixed in the both sides of magnet 6.First magnetic conductor 5, the second magnetic conduction It can be connected as one between body 7 and magnet 6 by the way of certain, can be physics mode, such as clamping and welding, also may be used To be chemical mode, for example, bond.Preferably, bonding way can be used between the first magnetic conductor 5, the second magnetic conductor 7 and magnet 6 Connect as one.First magnetic conductor 5, the second magnetic conductor 7 and magnet 6 could be arranged to coaxially, it is preferable that the first magnetic conductor 5, Two magnetic conductors 7 and magnet 6 are disposed as the structure with same symmetrical axle center, and the structure in symmetrical axle center mentioned here can be with Be cyclic structure, column structure or other there is the structure in symmetrical axle center.
The center of first magnetic conductor 5, can be provided with the first step 51 of protrusion, the direction that first step 51 extends is remote From the magnetic conductor 7 of magnet 6 and second, vibration sky is formed between the first magnetic conductor 5 and the first flexible member 2 by first step 51 Between, it is ensured that the first flexible member 2 can drive the first magnetic conductor 5 to vibrate, if being not provided with this first step 51, the first elasticity member Although part 2 can drive magnet assembly to vibrate, noise can be produced.The central area of flexible member is along axis of symmetry Direction distortion Region deformation on maximum, side with case bonding is minimum.Because flexible member drives magnet assembly vibration, and magnet assembly is along axle The displacement in line direction is the deflection at flexible member center, and the height of first step 51 can ensure magnet assembly and flexible member Between form oscillation space size, it is preferable that the height of first step 51 is more than flexible member in central area along the axis of symmetry The maximum of direction deformation, to avoid magnet assembly from getting to flexible member in motion process, forms noise.In first step 51 Center, the first location division 52 of protrusion can be provided with, the direction of the first location division 52 extension is to be led away from magnet 6 and second Magnet 7, is positioned by 52 pair first of the first location division magnetic conductor 5.
The periphery of second magnetic conductor 7 can upwardly extend the side 73 for being provided with a protrusion, it is preferable that side 73 is ring Shape.Side 73 can extend from the second magnetic conductor 7 towards the direction of the first magnetic conductor 5 and magnet 6, also, the diameter of side 73 The external diameter of the first magnetic conductor 5 can be more than, so that magnetic gap is formed between the magnetic conductor 5 of side 73 and first, and between the magnetic Stronger magnetic field is formed in gap.
The center of second magnetic conductor 7 can be set with a stage portion, its interior bottom could be arranged to it is lower thinner, thus Recess can be formed relative to stage portion, the center of the second magnetic conductor 7 can also be not provided with the stage portion and recess.It is referred to herein Recess can for place magnet, magnet can be fixedly connected in the recess of the second magnetic conductor 7 by the way of certain, It can be physics mode, such as clamping and welding or chemical mode, for example, bond, it is preferable that magnet uses bonding side Formula is fixedly connected in the recess of the second magnetic conductor 7.The setting of recess mentioned here facilitates assembling but can cause magnetic field Weaken, it is preferable that can design as needed adjustment different depth stage portion and recess, can also be not provided with the stage portion and Recess.
The center of second magnetic conductor 7, can be provided with the second step 71 of protrusion, the direction that second step 71 extends is remote From the magnetic conductor 5 of magnet 6 and first, vibration sky is formed between the second magnetic conductor 7 and the second flexible member 8 by second step 71 Between, it is ensured that the second flexible member 8 can drive the second magnetic conductor 7 to vibrate, if being not provided with this second step 71, the second elasticity member Although part 8 can drive magnet assembly to vibrate, noise can be produced.The central area of flexible member is along axis of symmetry Direction distortion Region deformation on maximum, side with case bonding is minimum.Because flexible member drives magnet assembly vibration, and magnet assembly is along axle The displacement in line direction is the deflection at flexible member center, and the height of second step 71 can ensure magnet assembly and flexible member Between form oscillation space size, it is preferable that the height of second step 71 is more than flexible member in central area along the axis of symmetry The maximum of direction deformation, to avoid magnet assembly from getting to flexible member in motion process, forms noise.In second step 71 Center, can be provided with the second location division 72 of protrusion, the direction of the second location division 72 extension is away from the magnetic conduction of magnet 6 and first Body 5, is positioned by 72 pair second of the second location division magnetic conductor 7.
Positioning component can include the first flexible member 2 and the second flexible member 8, the first flexible member 2 and the second elasticity Element 8 can be located at the both sides of magnet assembly respectively.Preferably, magnet assembly center of gravity is in the first flexible member 2 and the second elasticity In the middle of element 8, it is highly preferred that the centre bit of the center of gravity of magnet assembly, the center of the first flexible member 2 and the second flexible member 8 In on straight line；It is further preferred that adjusting magnetic according to the coefficient of elasticity of the first flexible member 2 and the second flexible member 8 The position of component center of gravity, makes it ensure that the first flexible member 2 has consistent deformation with the elasticity of the second flexible member 8.First bullet Property element 2 can be fixed on the first location division 52 and packing ring 3, and the second flexible member 8 can be fixed on the second housing 9 and second On location division 72.First flexible member 2, the packing ring 3 of the second flexible member 8 can constitute compound vibrating device, be answered by dual Two resonance peaks can be produced by closing vibration.It can be produced under the collective effect of the first flexible member 2 and the second flexible member 8 compound At least one resonance peak in vibration.Further, the size and material parameter of two parts are adjusted, resonance peak can be allowed Mobile, the resonance peak of low frequency is moved to more low frequency, and the resonance peak of high frequency is to more high-frequency mobile.Preferably, two resonance peaks are not In the frequency range of the audible sound of human ear；It is highly preferred that frequency model of the resonance peak in the audible sound of human ear Within enclosing, another resonance peak is outside the frequency range of the audible sound of human ear；It is furthermore preferred that two resonance peaks are all in people In the frequency range of the audible sound of ear；And it is further preferred that two resonance peaks are all in the audible sound of human ear Frequency range in, and its crest frequency is between 80Hz-18000Hz；It is further preferred that two resonance peaks are all in human ear In the frequency range of audible sound, and its peak value is between 200Hz-15000Hz；It is further preferred that two resonance In the frequency range for the sound that peak can all be arrived in human ear, and its peak value is between 500Hz-12000Hz；It is further preferred that In the frequency range for the sound that two resonance peaks can all be arrived in human ear, and its peak value is between 800Hz-11000Hz.Resonance peak The frequency of peak value preferably has certain gap, for example, the peak value difference at least 500Hz of two resonance peaks；Preferably, two resonance The peak value difference at least 1000Hz at peak；It is further preferred that the peak value difference at least 2000Hz of two resonance peaks；More enter one again Preferably, the peak value of two resonance peaks differs at least 5000Hz to step.In order to reach relatively good effect, two resonance peaks can be all Within the human ear range of audibility, and the crest frequency difference at least 500Hz of resonance peak；Preferably, two resonance peaks can be all Within the human ear range of audibility, the peak value difference at least 1000Hz of two resonance peaks；Still further preferably, two resonance peaks can So that all within the human ear range of audibility, the peak value of two resonance peaks differs at least 2000Hz；And it is further preferred that two Resonance peak can be all within the human ear range of audibility, the peak value difference at least 3000Hz of two resonance peaks；Can also be further Preferably, two resonance peaks can be all within the human ear range of audibility, the peak value difference at least 4000Hz of two resonance peaks.Two Can be with one within the human ear range of audibility in resonance peak, another is outside the human ear range of audibility, and two resonance peaks Crest frequency differs at least 500Hz；Preferably, a resonance peak is within the human ear range of audibility, and another is in the audible model of human ear Outside enclosing, and the crest frequency difference at least 1000Hz of two resonance peaks；It is highly preferred that a resonance peak is in the audible model of human ear Within enclosing, another is outside the human ear range of audibility, and the crest frequency difference at least 2000Hz of two resonance peaks；Further Preferably, a resonance peak is within the human ear range of audibility, and another is outside the human ear range of audibility, and two resonance peaks Crest frequency differs at least 3000Hz；It is further preferred that a resonance peak is within the human ear range of audibility, another is in people Outside the ear range of audibility, and the crest frequency difference at least 4000Hz of two resonance peaks.Two resonance peaks can be all in frequency Between 5Hz-30000Hz, and the crest frequency difference at least 400Hz of two resonance peaks；Preferably, two resonance peaks can be all Between frequency 5Hz-30000Hz, and the crest frequency difference at least 1000Hz of two resonance peaks；It is highly preferred that two humorous Shaking peak can be all between frequency 5Hz-30000Hz, and the crest frequency of two resonance peaks differs at least 2000Hz；Further Preferably, two resonance peaks can be all between frequency 5Hz-30000Hz, and the crest frequency of two resonance peaks is differed at least 3000Hz；It is further preferred that two resonance peaks can be all between frequency 5Hz-30000Hz, and two resonance peaks Crest frequency differs at least 4000Hz.Two resonance peaks can be all between frequency 20Hz-20000Hz, and two resonance peaks Crest frequency difference at least 400Hz；Preferably, two resonance peaks can be all between frequency 20Hz-20000Hz, and two The crest frequency difference at least 1000Hz of individual resonance peak；It is highly preferred that two resonance peaks can be all in frequency 20Hz-20000Hz Between, and the crest frequency difference at least 2000Hz of two resonance peaks；It is further preferred that two resonance peaks can be all in frequency Between rate 20Hz-20000Hz, and the crest frequency difference at least 3000Hz of two resonance peaks；It is further preferred that two Resonance peak can be all between frequency 20Hz-20000Hz, and the crest frequency of two resonance peaks differs at least 4000Hz.Two Individual resonance peak can be all between frequency 100Hz-18000Hz, and the crest frequency of two resonance peaks differs at least 400Hz； Preferably, two resonance peaks can all between frequency 100Hz-18000Hz, and two resonance peaks crest frequency differ to Few 1000Hz；It is highly preferred that two resonance peaks can be all between frequency 100Hz-18000Hz, and the peak of two resonance peaks It is worth frequency phase-difference at least 2000Hz；It is further preferred that two resonance peaks can all between frequency 100Hz-18000Hz, and And the crest frequency difference at least 3000Hz of two resonance peaks；It is further preferred that two resonance peaks can be all in frequency Between 100Hz-18000Hz, and the crest frequency difference at least 4000Hz of two resonance peaks.Two resonance peaks can be all in frequency Between rate 200Hz-12000Hz, and the crest frequency difference at least 400Hz of two resonance peaks；Preferably, two resonance peaks can With all between frequency 200Hz-12000Hz, and the crest frequency difference at least 1000Hz of two resonance peaks；It is highly preferred that Two resonance peaks can be all between frequency 200Hz-12000Hz, and the crest frequency of two resonance peaks is differed at least 2000Hz；It is further preferred that two resonance peaks can be all between frequency 200Hz-12000Hz, and two resonance peaks Crest frequency differs at least 3000Hz；It is further preferred that two resonance peaks can all frequency 200Hz-12000Hz it Between, and the crest frequency difference at least 4000Hz of two resonance peaks.Two resonance peaks can be all in frequency 500Hz-10000Hz Between, and the crest frequency difference at least 400Hz of two resonance peaks；Preferably, two resonance peaks can be all in frequency Between 500Hz-10000Hz, and the crest frequency difference at least 1000Hz of two resonance peaks；It is highly preferred that two resonance peaks Can be all between frequency 500Hz-10000Hz, and the crest frequency of two resonance peaks differs at least 2000Hz；It is further excellent Selection of land, two resonance peaks can be all between frequency 500Hz-10000Hz, and the crest frequency of two resonance peaks is differed at least 3000Hz；It is further preferred that two resonance peaks can be all between frequency 500Hz-10000Hz, and two resonance peaks Crest frequency difference at least 4000Hz.Thus the resonance respective range of sound equipment has been widened, preferable sound is obtained.First elasticity The flexible member 8 of element 2 and/or second can use the including but not limited to elastic material such as stainless steel, beryllium copper, plastic cement, PC, preferably The thickness of ground, the first flexible member 2 and/or the second flexible member 8 is 0.005mm~3mm；It is highly preferred that the first flexible member 2 And/or second flexible member 8 thickness be 0.01mm~2mm；It is highly preferred that the first flexible member 2 and/or the second flexible member 8 thickness is 0.01mm~1mm；It is highly preferred that the thickness of the first flexible member 2 and/or the second flexible member 8 be 0.02mm~ 0.5mm.First flexible member 2 and the second flexible member can be of similar shape or structure, it is possible to have different shapes Shape or structure.Preferably, the first flexible member 2 is an elastic plate, be could be arranged to cylindrical with the first inner circle ring body and first Ring body, the first interior annular body is located at the center of the first cylindrical ring body, can be set in the first cylindrical ring body to center influx The first pole no less than one has been put, the first positioning hole can be provided with the first inner circle ring body center；Preferably, the second bullet Property element 8 be an elastic plate, could be arranged to that there is the second inner circle ring body and the second cylindrical ring body, the second interior annular body is located at the The center of two cylindrical ring bodies, can be provided with second no less than one in the second cylindrical ring body to center influx Bar, the second positioning hole can be provided with the second inner circle ring body center.The number of first pole and the second pole can with identical, Can be different, it is preferable that the number of the first pole and the second pole is more than or equal to two, it is highly preferred that the first pole and second The number of pole is three, it is further preferred that the number of the first pole and/or the second pole is more than three.Preferably, pole For straight-bar；Preferably, the width of pole is not less than 0.2mm, it is highly preferred that the width of pole is 0.4mm~1.5mm, more preferably Ground, the width of pole is 0.6mm~1.0mm.
Preferably, the external diameter of the first flexible member 2, i.e., the external diameter of the first cylindrical ring body, less than the internal diameter of the first housing 1； Preferably, in the axial direction of magnet assembly, the first flexible member 2 and the first housing 1 also have a gap, the first flexible member 2 with First housing 1 is not contacted directly.Linked together in some way between first flexible member 2 and packing ring 3, above-mentioned company The mode of connecing can be physics mode, for example, engage and weld or chemical mode, for example, bond, it is preferable that the first elasticity Connected mode between element 2 and packing ring 3 is bonding.
The first positioning hole 21 in first flexible member 2 is engaged with the first location division 52 on the first magnetic conductor 5, both It is fixed together by the way of certain, can is physics mode, for example, engage, bolt and welding or chemical mode, For example bond, it is preferable that affixed by the way of engaging or bonding, it is highly preferred that fixed connection mode is affixed with one heart；Second elasticity The second positioning hole 81 in element 8 is engaged with the second location division 72 on the second magnetic conductor 7, and both are consolidated by the way of certain It is connected together, can is physics mode, for example, engage, bolt and welding or chemical mode is for example bonded, it is preferable that It is affixed by the way of engaging or bonding, it is highly preferred that fixed connection mode is affixed with one heart.In specific installation process, first The first location division of center projection 52 of magnetic conductor 5, recessed first positioning hole 21 in the corresponding center in the first flexible member 2, peace The first location division 52 is inserted in the first positioning hole 21 during dress, realizes that the first magnetic conductor 5 and the first flexible member 2 are concentric affixed； The second location division of center projection 72 of second magnetic conductor 7, recessed second positioning hole in the corresponding center in the second flexible member 8 81, the second location division 72 is inserted in the second positioning hole 81 during installation, realizes that the second magnetic conductor 7 and the second flexible member 8 are concentric It is affixed.
During the bone-conduction speaker device work of double positioning, it is made up of the first magnetic conductor 5, the magnetic conductor 7 of magnet 6 and second Magnetic systems produce electric current sensing when voice coil loudspeaker voice coil 4 is powered, and then the magnetic field intensity of magnetic systems is changed, the parameter such as inductance Also change therewith, voice coil loudspeaker voice coil 4 is acted in magnetic field by Ampere force, so that the magnetic conductor 5 of voice coil loudspeaker voice coil 4 and first, magnet 6th, longitudinal back and forth movement is produced between the second magnetic conductor 7.Vibration passes to the first housing 1, the second housing 9 by packing ring 3, and by Acoustical vibration is delivered to people's bone by the position directly contacted with people's bone, so as to allow people to sense sound by osteoacusis.Voice coil loudspeaker voice coil 4 is fixed On packing ring 3 so that in speaker operation, the installation site of voice coil loudspeaker voice coil 4 will not shift, due to the first magnetic conductor 5 and Position between two magnetic conductors 7 and flexible member is relatively fixed, namely the installation site of magnetic gap 10 is constant, and then ensure that sound The mounting stability of circle, so as to fundamentally ensure that the tonequality of loudspeaker.
Description above is only the specific embodiment of the present invention, and the scope that this patent is protected is not limited in above institute The performance of description.For those of ordinary skills, can without creative efforts, to above Described performance is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.
Embodiment two
It is a kind of structural representation of the bone-conduction speaker device of double positioning as shown in figure 15, the structure of its pair of positioning can With different from embodiment one.
In the present embodiment, the bone-conduction speaker device of double positioning can include magnet assembly, supporting part, located at magnetic group Elastic positioning member, voice coil loudspeaker voice coil and packing ring between part and supporting part.Supporting part can include the first housing 11 and the second housing 19, First housing 11 connects the receiving space to be formed for housing magnetic components, flexible member and/or voice coil loudspeaker voice coil with the second housing 19, Set on the inner side of second housing 19, the i.e. side towards the first housing 11, bottom surface under step surface 191, the second flexible member 18 Surface is fixedly installed on step surface 191.It can fix and set in the receiving space that first housing 11 is formed with the second housing 19 A voice coil loudspeaker voice coil 14 can be fixedly installed by putting on a packing ring 13, packing ring 13.Magnet assembly can include magnetic conductor 17 and magnet 16, magnetic conduction The center of body 17 can decide whether to set as needed has a stage portion and recess（It is not drawn into figure）, magnetic conductor 17 Periphery can upwardly extend the side 173 for being provided with a protrusion, and the center of magnetic conductor 7 can be provided with the second step of protrusion 171, at the center of second step 171, the second location division 172 of protrusion can be provided with, by the second location division 172 to magnetic conductor 17 are positioned.Positioning component can include the first flexible member 12 and the second flexible member 18, the first flexible member 12 and the Two flexible members 18 can be located at the both sides of magnet assembly respectively.First flexible member 12 is fixed on the He of the first location division 162 On packing ring 13, the second flexible member 18 is fixed on the second housing 19 and the second location division 172.
Connected mode and fixed connection mode between shape, size, structure, material and all parts of above all parts It is identical with the information disclosed in embodiment one.For those of ordinary skills, creative work can not paid In the case of, some amendments are done to performance described above and are changed, these amendments and variation are also to belong to institute of the present invention The scope of protection.
Unlike first location division 52 is arranged on the center of first step 51 in embodiment one, the present embodiment In, magnet assembly can only include magnetic conductor 17 and magnet 16, without second magnetic conductor, at the center of magnet 16, be provided with The first step 161 of protrusion, the direction of the first step 161 extension be away from magnetic conductor 17, with by first step 161 in magnetic Oscillation space is formed between the flexible member 12 of iron 16 and first, it is ensured that the first flexible member 12 can vibrate with moving magnet 16, if This first step 161 is not provided with, although the first flexible member 12 can drive magnet assembly to vibrate, noise can be produced.Bullet Property element central area it is maximum along axis of symmetry Direction distortion, on side and case bonding region deformation it is minimum.Due to elasticity Element drives magnet assembly vibration, and the displacement of magnet assembly in the axial direction is the deflection at flexible member center, First The height of rank 161 can ensure to form oscillation space size between magnet assembly and flexible member, it is preferable that first step 161 Height be more than maximum of the flexible member in central area along the deformation of axis of symmetry direction, to avoid magnet assembly from being moved through Flexible member is got in journey, noise is formed.First step 161 be provided centrally with protrusion the first location division 162, this first determine The direction that position portion 162 extends is away from magnetic conductor 17, to be positioned by the first location division 162 to magnet 16.
Situation during the bone-conduction speaker device work of double positioning is identical with the information disclosed in embodiment one.More than Description be only the present invention specific embodiment, the scope that this patent is protected is not limited in implementation feelings described above Condition.For those of ordinary skills, it can implement without creative efforts to described above Situation is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.
Embodiment three
It is a kind of structural representation of the bone-conduction speaker device of double positioning as shown in figure 16.The osteoacusis of double positioning is raised Sound device device can include magnet assembly, supporting part, the elastic positioning member between magnet assembly and supporting part, voice coil loudspeaker voice coil, Oscillating plate and connector.
Supporting part can include the first housing 26 and the second housing（It is not drawn into figure）, the first housing 26 and second shell body phase Connect the receiving space to be formed for housing magnetic components, flexible member and/or voice coil loudspeaker voice coil.First housing 26 can be with the first magnetic conductor 24 are in the same side, can have gap between the two.Second housing can be in the same side with the second magnetic conductor 20, both it Between can have gap.Supporting part mentioned here can also be support, can be to magnet assembly and positioning component or other To the structure of supporting role.
An oscillating plate 30 can be fixedly installed on first housing 26, it is preferable that oscillating plate 30 is annular.Oscillating plate 30 and It can be connected as one between one housing 26 by the way of certain, can be physics mode, such as clamping and welding, can also It is chemical mode, for example, bonds, it is preferable that connected as one between the housing 26 of oscillating plate 30 and first using bonding way.Shake Dynamic plate 30 can be set to coaxial with the first magnetic conductor 24, the second magnetic conductor 20 and magnet 27, it is preferable that oscillating plate 30, first Magnetic conductor 24, the second magnetic conductor 20 and magnet 27 are disposed as the structure with same symmetrical axle center, mentioned here symmetrical The structure in axle center can be cyclic structure, column structure or other there is the structure in symmetrical axle center；Preferably, vibrate The diameter of plate 30 can be more than the internal diameter of the first magnetic conductor 24 and less than the internal diameter of the second magnetic conductor side 203, so as to vibrate The outer of plate 30 is in the middle of the magnetic gap of the second magnetic conductor side 203 and the formation of the first magnetic conductor 24.Preferably, in oscillating plate 30 Center, the step 301 of protrusion can be provided with, the direction that step 301 extends is, away from the first magnetic conductor 24, to pass through step 301 form oscillation space between the flexible member 23 of oscillating plate 30 and first, it is ensured that the first flexible member 23 can drive second to lead Magnet 20 vibrates.At the center of step 301, the first location division 302 of protrusion can be provided with, the extension of the first location division 302 Direction is, away from the first magnetic conductor 24, to be positioned by 302 pair second of the first location division magnetic conductor 20.
A voice coil loudspeaker voice coil 28 can be fixedly installed on oscillating plate 30, voice coil loudspeaker voice coil 28 is fixed on the inside bottom surface of oscillating plate 30.Voice coil loudspeaker voice coil It can be connected as one between 28 and oscillating plate 30 by the way of certain, can be physics mode, such as clamping and welding, It can be chemical mode, for example, bond, it is preferable that be connected as one using bonding way between the housing 26 of oscillating plate 30 and first Body.The lower surface of voice coil loudspeaker voice coil 28 from oscillating plate 30 continues to extend downwardly, and the annular in the first magnetic conductor 24 and the second magnetic conductor In the magnetic gap that side 203 is formed.
Magnet assembly can include the first magnetic conductor 24, the second magnetic conductor 20 and magnet 27.Magnet mentioned here can be with It is but not limited to the magnet materials, magnetic conduction said herein such as ferro-aluminum boron, cobalt nickel aluminium, rare earth material, composite and permanent-magnet ferrite Body is also referred to as field concentrator or iron core, can be but not limited to lamination or block elements that soft magnetic materials is made, said herein soft Magnetic material can be but not limited to silicon steel sheet, ferrite and iron.Magnet 27 can be located at the first magnetic conductor 24 and the second magnetic conduction Between body 20, it is preferable that the first magnetic conductor 24 and the second magnetic conductor 20 are individually fixed in the both sides of magnet 27.First magnetic conductor 24th, it can be connected as one between the second magnetic conductor 20 and magnet 27 by the way of certain, above-mentioned connected mode can be thing Reason mode, such as clamping and welding or chemical mode, for example, bond, it is preferable that the first magnetic conductor 24, the second magnetic conduction Connected as one between body 20 and magnet 27 using bonding way.First magnetic conductor 24, the second magnetic conductor 20 and magnet 27 can be with It is set to coaxial, it is preferable that the first magnetic conductor 24, the second magnetic conductor 20 and magnet 27 are disposed as with same symmetrical axle center Structure, the structure in symmetrical axle center mentioned here can be cyclic structure, column structure or other there is symmetry axis The structure of the heart.
The center of second magnetic conductor 20 can be set with a stage portion, its interior bottom could be arranged to it is lower thinner, by This can form recess 201 relative to stage portion, and the center of the second magnetic conductor 20 can also be not provided with the stage portion and recess 201.Magnet can be fixedly connected on second by recess 201 mentioned here for placing magnet by the way of certain In the recess 201 of magnetic conductor, above-mentioned connected mode can be physics mode, such as clamping and welding or chemical mode, For example bond, it is preferable that magnet is fixedly connected in the recess 201 of the second magnetic conductor using bonding way.It is mentioned here recessed The setting in portion facilitates assembling but can cause the decrease in magnetic field, it is preferable that can design the platform of adjustment different depth as needed Rank portion and recess, can also be not provided with the stage portion and recess.
The periphery of second magnetic conductor 20 can upwardly extend the side 203 for being provided with a protrusion, it is preferable that side 203 is Annular.Side 203 can extend from the second magnetic conductor 20 towards the direction of the first magnetic conductor 24 and magnet 27, also, side 203 Diameter can be more than the first magnetic conductor 24 external diameter, so that magnetic gap is formed between the magnetic conductor 24 of side 203 and first, at this Stronger magnetic field is formed in magnetic gap.In the side 203 of the second magnetic conductor 20, the second location division 202, the second location division are provided with The direction of 202 extensions is the diametric(al) of side 203, away from magnet 27, is entered by 202 pair second of the second location division magnetic conductor 20 Row positioning, meanwhile, oscillation space is formed between the second magnetic conductor 20 and the second flexible member 29 by the second location division 202, Ensure that while the second flexible member 29 can drive the second magnetic conductor 20 to vibrate noise will not be produced.Second flexible member 29 with and It can be connected as one between first housing 26 by the way of certain, can be physics mode, such as clamping and welding, also may be used To be chemical mode, for example, bond, it is preferable that be connected as between the second flexible member 29 and the first housing 26 using bonding way One.
A connection piece 25 can be set in the second magnetic conductor side 203 and the junction of the first flexible member 23, second is led The flexible member 23 of magnet 20 and first links together, it is preferable that connector 25 is annular.Second the 20, first elasticity of magnetic conductor Element 23 and connector 25 can be connected as one by the way of certain, can be physics mode, such as clamping and welding, It can be chemical mode, for example, bond, it is preferable that used between the second magnetic conductor 20, the first flexible member 23 and connector 25 Bonding way is connected as one.Connector 25 can be set to the first magnetic conductor 24, the second magnetic conductor 20 and magnet 27 it is coaxial, Preferably, connector 25, the first magnetic conductor 24, the second magnetic conductor 20 and magnet 27 are disposed as with same symmetrical axle center Structure, the structure in symmetrical axle center mentioned here can be cyclic structure, column structure or other there is symmetrical axle center Structure.
Positioning component can include the first flexible member 23 and the second flexible member 29, the first flexible member 23 and the second bullet Property element 29 can respectively be located at connector 25 both sides.First flexible member 23 is fixed on the first location division 302 and connection On part 25, the second flexible member 29 is fixed on the first housing 26 and the second location division 202.First flexible member 23 and biography are shaken Piece 30 can constitute compound vibrating device, and two resonance peaks are generated by double complex vibration, pass through two parts of regulation Size and material parameter, allow resonance peak to be moved, and the resonance peak of low frequency is moved to more low frequency, and the resonance peak of high frequency is to more high frequency It is mobile so that these resonance peak scopes have been widened the resonance respective range of sound equipment, obtained all in the range of ear can be heard Preferable sound.First flexible member 23 and/or the second flexible member 29 can be using including but not limited to stainless steel, berylliums The elastic materials such as copper, plastic cement, PC, it is preferable that the thickness of the first flexible member 23 and/or the second flexible member 29 be 0.04mm~ 0.20mm, it is highly preferred that the thickness of the first flexible member 23 and/or the second flexible member 29 is 0.08mm~0.12mm.It is preferred that Ground, the first flexible member 23 is an elastic plate, could be arranged to have the first inner circle ring body and the first cylindrical ring body, the first inner circle Ring body is located at the center of the first cylindrical ring body, can be provided with the first cylindrical ring body to center influx no less than one The first pole, can be provided with the first positioning hole at the first inner circle ring body center；Preferably, the second flexible member 29 is a bullet Property plate, could be arranged to that there is the second inner circle ring body and the second cylindrical ring body, the second interior annular body is located at the second cylindrical ring body Center, can be provided with the second pole no less than one, in the second inner circle in the second cylindrical ring body to center influx Ring body center can be provided with the second positioning hole.The number of first pole and the second pole can be with identical, can also be different, preferably The number of ground, the first pole and the second pole is more than or equal to two, it is highly preferred that the number of the first pole and the second pole is Three.Preferably, pole is straight-bar；Preferably, the width of pole is not less than 0.2mm, it is highly preferred that the width of pole is 0.4mm ~1.5mm, it is highly preferred that the width of pole is 0.6mm~1.0mm.
The first positioning hole in first flexible member 23 can be engaged with the first location division 302 on oscillating plate 30, and two Person is fixed together by the way of certain, and above-mentioned connected mode can be physics mode, for example, engage, bolt and welding, It can be chemical mode, for example, bond, it is preferable that be affixed by the way of engaging or bonding, it is highly preferred that fixed connection mode is same The heart is affixed；The second positioning hole in second flexible member 29 is engaged with the second location division 202 on the second magnetic conductor 20, both It is fixed together by the way of certain, can is physics mode, for example, engage, bolt and welding or chemical mode, For example bond, it is preferable that affixed by the way of engaging or bonding, it is highly preferred that fixed connection mode is affixed with one heart.Specific In installation process, the first location division 302 of the center projection of oscillating plate 30, the corresponding center in the first flexible member 23 is recessed First positioning hole, inserts the first location division 302 in first positioning hole during installation, realizes the flexible member 23 of oscillating plate 30 and first It is affixed with one heart；Second location division 202 of the projection of side 203 of the second magnetic conductor, the corresponding center in the second flexible member 29 Recessed second positioning hole, inserts the second location division 202 in second positioning hole during installation, realizes the second magnetic conductor 20 and the second bullet Property element 29 with one heart it is affixed.
During the bone-conduction speaker device work of double positioning, by the first magnetic conductor 24,20 groups of 27 and second magnetic conductor of magnet Into magnetic systems electric current sensing is produced when voice coil loudspeaker voice coil 28 is powered, and then the magnetic field intensity of magnetic systems is changed, inductance Also changed therewith etc. parameter, voice coil loudspeaker voice coil 28 is acted in magnetic field by Ampere force, so that the magnetic conduction of voice coil loudspeaker voice coil 28 and first Longitudinal back and forth movement is produced between body 24, magnet 27, the second magnetic conductor 20.Vibration passes to the first housing by oscillating plate 30 26th, the second housing, and acoustical vibration is delivered to people's bone by the position that directly contacts with people's bone, so as to allow people to feel by osteoacusis Answer sound.Voice coil loudspeaker voice coil 28 is fixed on oscillating plate 30 so that in speaker operation, and the installation site of voice coil loudspeaker voice coil 28 will not occur partially Move, because the position between the first magnetic conductor 24 and the second magnetic conductor 20 and flexible member is relatively fixed, namely magnetic gap peace Holding position is constant, and then ensure that the mounting stability of voice coil loudspeaker voice coil 28, so as to fundamentally ensure that the tonequality of loudspeaker.
Description above is only the specific embodiment of the present invention, and the scope that this patent is protected is not limited in above institute The performance of description.For those of ordinary skills, can without creative efforts, to above Described performance is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.
Example IV
It is a kind of structural representation of the bone-conduction speaker device of double positioning as shown in figure 17, the structure of its pair of positioning can With different from embodiment three.
In the present embodiment, the bone-conduction speaker device of double positioning can include magnet assembly, supporting part, located at magnetic group Elastic positioning member, voice coil loudspeaker voice coil, oscillating plate and connector between part and supporting part.Supporting part can include the first housing 38 and the Two housings（It is not drawn into figure）, an oscillating plate 36 can be fixedly installed on the first housing 38.It can be fixedly installed on oscillating plate 36 One voice coil loudspeaker voice coil 37；The center of oscillating plate 36, can be provided with the step 361 of protrusion, at the center of step 361, can be provided with convex The first location division 362 gone out.Magnet assembly can include the first magnetic conductor 35, the second magnetic conductor 31 and magnet 32, the second magnetic conduction The center of body 31 can decide whether to set as needed has a stage portion and recess 311, the periphery of the second magnetic conductor 31 The side 312 for being provided with a protrusion can be upwardly extended.Positioning component can include the first flexible member 34 and the second elasticity member Part 39.A connection piece 33 can be set in the second magnetic conductor side 312 and the junction of the first flexible member 34, by the second magnetic conductor 31 and first flexible member 34 link together.
Connected mode and fixed connection mode between shape, size, structure, material and all parts of above all parts It is identical with the information disclosed in embodiment three.For those of ordinary skills, creative work can not paid In the case of, some amendments are done to performance described above and are changed, these amendments and variation are also to belong to institute of the present invention The scope of protection.
Unlike second location division 202 is arranged on side 203 in embodiment three, in the present embodiment, second determines Position portion 331 is arranged on the outside of connector 33.In the outside of connector 33, the second location division 331, the second location division are provided with The direction of 331 extensions is the diametric(al) of connector 33, away from oscillating plate 36, passes through 331 pair second of the second location division magnetic conductor 31 are positioned.Second flexible member 39 and it can be connected as one between the first housing 38 by the way of certain, can be with It is physics mode, such as clamping and welding or chemical mode, for example, bonds, it is preferable that the second flexible member 39 and the Connected as one between one housing 38 using bonding way.
Situation during the bone-conduction speaker device work of double positioning is identical with the information disclosed in embodiment three.More than Description be only the present invention specific embodiment, the scope that this patent is protected is not limited in implementation feelings described above Condition.For those of ordinary skills, it can implement without creative efforts to described above Situation is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.
Embodiment five
It is a kind of structural representation of the bone-conduction speaker device of double positioning as shown in figure 18, the structure of its pair of positioning can With different from embodiment three.
In the present embodiment, the bone-conduction speaker device of double positioning can include magnet assembly, supporting part, located at magnetic group Elastic positioning member, voice coil loudspeaker voice coil, oscillating plate and connector between part and supporting part.Supporting part can include the first housing 40 and the Two housings（It is not drawn into figure）, an oscillating plate 41 can be fixedly installed on the first housing 38.It can be fixedly installed on oscillating plate 41 One voice coil loudspeaker voice coil 44；The center of oscillating plate 41, can be provided with the step 411 of protrusion, at the center of step 411, can be provided with convex The first location division 412 gone out, is positioned by 412 pair second of the first location division magnetic conductor 45.Magnet assembly can include the One magnetic conductor 43, the second magnetic conductor 45 and magnet 42, the center of the second magnetic conductor 45 can decide whether to set tool as needed There are a stage portion and recess 311, the periphery of the second magnetic conductor 45 can upwardly extend the side 451 for being provided with a protrusion. Second magnetic conductor side 451 and the junction of the first flexible member 46 can set a connection piece 47, by the second magnetic conductor 45 and One flexible member 46 links together.
Connected mode and fixed connection mode between shape, size, structure, material and all parts of above all parts It is identical with the information disclosed in embodiment three.For those of ordinary skills, creative work can not paid In the case of, some amendments are done to performance described above and are changed, these amendments and variation are also to belong to institute of the present invention The scope of protection.
From unlike the double locating structure disclosed in embodiment three, in the present embodiment, positioning component only include the first bullet Property element 46, without the second flexible member, the external diameter of the cylindrical ring body of the external diameter of the first flexible member 46, i.e., first, less than first The external diameter of housing 40, more than the internal diameter of the first housing 40.First flexible member 46, the first location division 412, connector 47 and first Housing 40 can be connected as one by the way of certain, can be physics mode, such as clamping and welding or chemistry Mode, for example, bond, it is preferable that adopted between the first flexible member 46, the first location division 412, the housing 40 of connector 47 and first Connected as one with bonding way.Pass through the extension of the length of the first flexible member 46 so that the first flexible member 46 is fixed on On first location division 412, the housing 40 of connector 47 and first, it is connected in the heart with magnetic circuit, while and cage connection, so as to constitute To the double positioning structure of magnetic circuit, it is effectively prevented from magnetic circuit and is deflected because of gravity.
Situation during the bone-conduction speaker device work of double positioning is identical with the information disclosed in embodiment three.More than Description be only the present invention specific embodiment, the scope that this patent is protected is not limited in implementation feelings described above Condition.For those of ordinary skills, it can implement without creative efforts to described above Situation is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.
Embodiment six
It is a kind of structural representation of the bone-conduction speaker device of double positioning as shown in figure 19, the structure of its pair of positioning can With different from embodiment three.
In the present embodiment, the bone-conduction speaker device of double positioning can include magnet assembly, supporting part, located at magnetic group Elastic positioning member, voice coil loudspeaker voice coil, oscillating plate between part and supporting part.Supporting part can include the first housing 56 and the second housing （It is not drawn into figure）, an oscillating plate 55 can be fixedly installed on the first housing 56.A voice coil loudspeaker voice coil can be fixedly installed on oscillating plate 55 49；The center of oscillating plate 55, can be provided with the step 551 of protrusion, at the center of step 551, can be provided with the of protrusion One location division 552, is positioned by the first location division 552 to voice coil loudspeaker voice coil 49.Magnet assembly can include the first magnetic conductor 54, the Two magnetic conductors 50 and magnet 53, the center of the second magnetic conductor 53 can decide whether to set as needed have a stage portion and Recess 311, the periphery of the second magnetic conductor 31 can upwardly extend the side 312 for being provided with a protrusion.
Connected mode and fixed connection mode between shape, size, structure, material and all parts of above all parts It is identical with the information disclosed in embodiment three.For those of ordinary skills, creative work can not paid In the case of, some amendments are done to performance described above and are changed, these amendments and variation are also to belong to institute of the present invention The scope of protection.
Unlike second location division 202 is arranged on side 203 in embodiment three, in the present embodiment, second determines Position portion 503 is arranged on magnetic circuit bottom.At the center of the second magnetic conductor 50, the step 502 of protrusion is provided with, what step 502 extended Direction be away from magnet 53 and first magnetic conductor 54, with by step 502 the second magnetic conductor 50 and the second flexible member 58 it Between form oscillation space, it is ensured that the second flexible member 58 can drive the second magnetic conductor 50 vibrate while will not produce noise. Step 502 is provided centrally with the second location division 503 of protrusion, and the direction of second location division 503 extension is away from the He of magnet 53 First magnetic conductor 54, to be positioned by 503 pair second of the second location division magnetic conductor 50.
In addition, from unlike the double locating structure disclosed in embodiment three, in the present embodiment, double locating structure not only may be used So that including the first flexible member 48, the second flexible member 58 can also include the 3rd flexible member 57, without including by second The connector that the flexible member 48 of magnetic conductor side 501 and first is connected.The external diameter of first flexible member 48, i.e., first is cylindrical The external diameter of ring body, less than the external diameter of the first housing 56, more than the internal diameter of the first housing 56.First flexible member 48, first is positioned The housing 56 of portion 552 and first can be connected as one by the way of certain, can be physics mode, such as clamping and welding, It can also be chemical mode, for example, bond, it is preferable that between the first flexible member 48, the first location division 552 and the first housing 56 Connected as one using bonding way.The external diameter of second flexible member 58, i.e., the external diameter of the second cylindrical ring body, less than the first housing 56 external diameter, more than the internal diameter of the first housing 56.Second flexible member 58, the second location division 503 and the first housing 56 can be adopted Connected as one with certain mode, can be physics mode, such as clamping and welding or chemical mode, for example, glue Knot, it is preferable that connected as one between the second flexible member 58, the second location division 503 and the first housing 56 using bonding way. The material of 3rd flexible member 57, structure, shape, the first flexible member disclosed in thickness be the same as Example three and the second elasticity Component information is identical, it is preferable that the 3rd flexible member 57 is an elastic plate, could be arranged to have the 3rd inner circle ring body and the 3rd Cylindrical ring body, the 3rd interior annular body is located at the center of the 3rd cylindrical ring body, can be to center influx in the 3rd cylindrical ring body There is provided the 3rd pole no less than one.The external diameter of the external diameter of 3rd flexible member 57, i.e. the 3rd cylindrical ring body, less than first The external diameter of housing 56, more than the internal diameter of the first housing 56；The internal diameter of the internal diameter of 3rd flexible member 57, i.e. the 3rd inner circle ring body, Less than the external diameter of the second magnetic conductor side 501, more than the internal diameter of the second magnetic conductor side 501.3rd flexible member 57, second are led The housing 56 of magnet side 501 and first can be connected as one by the way of certain, can be physics mode, for example clamping and Welding or chemical mode, for example, bond, it is preferable that the 3rd flexible member 57, the second magnetic conductor side 501 and first Connected as one between housing 56 using bonding way.So as to which the second magnetic conductor 50 and the first housing 56 pass through the 3rd elasticity member Part 57 is connected, meanwhile, the extension of the length of the first flexible member 48 so that the first flexible member 48 is fixed on the first housing 56 On, it is to avoid the use of connector.
Situation during the bone-conduction speaker device work of double positioning is identical with the information disclosed in embodiment three.More than Description be only the present invention specific embodiment, the scope that this patent is protected is not limited in implementation feelings described above Condition.For those of ordinary skills, it can implement without creative efforts to described above Situation is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.
Embodiment seven
It is a kind of structural representation of the bone-conduction speaker device of double positioning as shown in figure 20, the structure of its pair of positioning can With different from embodiment three.
In the present embodiment, the bone-conduction speaker device of double positioning can include magnet assembly, supporting part, located at magnetic group Elastic positioning member, voice coil loudspeaker voice coil, oscillating plate between part and supporting part.Supporting part can include the first housing 63 and the second housing （It is not drawn into figure）, an oscillating plate 60 can be fixedly installed on the first housing 63.A voice coil loudspeaker voice coil can be fixedly installed on oscillating plate 60 59；The center of oscillating plate 60, can be provided with the step 601 of protrusion, at the center of step 601, can be provided with the of protrusion One location division 602, is positioned by the first location division 602 to voice coil loudspeaker voice coil 59.Magnet assembly can include the first magnetic conductor 61, the Two magnetic conductors 67 and magnet 62, the center of the second magnetic conductor 61 can decide whether to set as needed have a stage portion and Recess 311, the periphery of the second magnetic conductor 31 can upwardly extend the side 312 for being provided with a protrusion, on side 312, set There is the second location division 672, the direction of the second location division 672 extension is the diametric(al) of side 671, away from magnet 62, by the Two 672 pair second of location division magnetic conductors 67 are positioned.
Connected mode and fixed connection mode between shape, size, structure, material and all parts of above all parts It is identical with the information disclosed in embodiment three.For those of ordinary skills, creative work can not paid In the case of, some amendments are done to performance described above and are changed, these amendments and variation are also to belong to institute of the present invention The scope of protection.
From unlike the double locating structure disclosed in embodiment three, in the present embodiment, double locating structure can not only be wrapped The first flexible member 64 is included, the second flexible member 65 can also include the 3rd flexible member 66, without including by the second magnetic conduction The connector that the flexible member 64 of side side 671 and first is connected.The external diameter of first flexible member 64, i.e., the first cylindrical ring body External diameter, less than the external diameter of the first housing 63, more than the internal diameter of the first housing 63.First flexible member 64, the first location division 602 It can be connected as one with the first housing 63 by the way of certain, can be physics mode, such as clamping and welding, can also It is chemical mode, for example, bonds, it is preferable that using viscous between the first flexible member 64, the first location division 602 and the first housing 63 The mode of connecing is connected as one.The external diameter of second flexible member 65, i.e., the external diameter of the second cylindrical ring body is outer less than the first housing 63 Footpath, more than the internal diameter of the first housing 63.Second flexible member 65, the second location division 672 and the first housing 63 can be using certain Mode connect as one, can be physics mode, such as clamping and welding or chemical mode, for example, bond, preferably Ground, is connected as one between the second flexible member 65, the second location division 672 and the first housing 63 using bonding way.3rd bullet Property the material of element 66, structure, shape, the first flexible member and the second flexible member letter disclosed in thickness be the same as Example three Manner of breathing is same, it is preferable that the 3rd flexible member 66 is an elastic plate, could be arranged to have the 3rd inner circle ring body and the 3rd outer toroid Body, the 3rd interior annular body is located at the center of the 3rd cylindrical ring body, can be provided with the 3rd cylindrical ring body to center influx The 3rd pole no less than one.The external diameter of the external diameter of 3rd flexible member 66, i.e. the 3rd cylindrical ring body, less than the first housing 63 External diameter, more than the internal diameter of the first housing 63；The internal diameter of the internal diameter of 3rd flexible member 66, i.e. the 3rd inner circle ring body, less than The external diameter of two magnetic conductor sides 671, more than the internal diameter of the second magnetic conductor side 671.3rd flexible member 66, the second magnetic conduction side The housing 63 of side 671 and first can be connected as one by the way of certain, can be physics mode, such as clamping and welding, It can also be chemical mode, for example, bond, it is preferable that the 3rd flexible member 66, the second magnetic conductor side 671 and the first housing 63 Between connected as one using bonding way.So as to which the second magnetic conductor 67 and the first housing 63 pass through the phase of the 3rd flexible member 66 Connection, meanwhile, the extension of the length of the first flexible member 64 so that the first flexible member 64 is fixed on the first housing 63, is kept away The use of connector is exempted from.
Situation during the bone-conduction speaker device work of double positioning is identical with the information disclosed in embodiment three.More than Description be only the present invention specific embodiment, the scope that this patent is protected is not limited in implementation feelings described above Condition.For those of ordinary skills, it can implement without creative efforts to described above Situation is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.
Embodiment eight
It is a kind of structural representation of the bone-conduction speaker device of double positioning as shown in figure 21, the structure of its pair of positioning can With different from embodiment six.
In the present embodiment, the bone-conduction speaker device of double positioning can include magnet assembly, supporting part, located at magnetic group Elastic positioning member, voice coil loudspeaker voice coil between part and supporting part.Supporting part can include the first housing 74 and the second housing（Do not drawn in figure Go out）.Magnet assembly can include the first magnetic conductor 69, the second magnetic conductor 77 and magnet 68.The center of second magnetic conductor 77 can be with Decide whether to set as needed and there is a stage portion and recess, at the center of the second magnetic conductor 77, be provided with the platform of protrusion Rank 772, is provided centrally with the first location division 773 of protrusion, the direction of first location division 773 extension is remote in step 772 The magnetic conductor 69 of magnet 68 and first, to be positioned by 773 pair second of the first location division magnetic conductor 77, the second magnetic conductor 77 Periphery can upwardly extend the side 771 for being provided with a protrusion.Positioning component can include the first flexible member 75, the second elasticity The flexible member 78 of element 76 and the 3rd.The external diameter of first flexible member 48, i.e., the external diameter of the first cylindrical ring body, less than the first housing 74 external diameter, is connected as one more than the internal diameter of the first housing 74, and the first housing 74 by the way of certain；Second elasticity member The external diameter of the cylindrical ring body of the external diameter of part 76, i.e., second, less than the external diameter of the first housing 74, more than the internal diameter of the first housing 74, and First location division 773, the first housing 74 are connected as one by the way of certain；The external diameter of 3rd flexible member 78, i.e., the 3rd The external diameter of cylindrical ring body, less than the external diameter of the first housing 74, more than the internal diameter of the first housing 74, the 3rd flexible member 78 it is interior The internal diameter in footpath, i.e. the 3rd inner circle ring body, less than the external diameter of the second magnetic conductor side 771, more than in the second magnetic conductor side 771 Footpath, and the second magnetic conductor side 771, the first housing 74 are connected as one by the way of certain.
Connected mode and fixed connection mode between shape, size, structure, material and all parts of above all parts It is identical with the information disclosed in embodiment six.For those of ordinary skills, creative work can not paid In the case of, some amendments are done to performance described above and are changed, these amendments and variation are also to belong to institute of the present invention The scope of protection.
From unlike the double locating structure disclosed in embodiment six, in the present embodiment, double locating structure includes solid Location division on the oscillating plate and oscillating plate of voice coil loudspeaker voice coil 70 is set surely, but voice coil loudspeaker voice coil 70 is fixedly installed on the first flexible member 75 Upper surface.Voice coil loudspeaker voice coil 70 can be connected as one with the first flexible member 75 by the way of certain, can be physics mode, for example Clamping and welding or chemical mode, for example, bond, it is preferable that using viscous between the flexible member 75 of voice coil loudspeaker voice coil 70 and first The mode of connecing is connected as one.The upper surface of voice coil loudspeaker voice coil 70 from the first flexible member 75 continues to extend downwardly, and in the first magnetic conductor 69 and second magnetic conductor the magnetic gap that is formed of circumferential lateral edge 771 in.When tone currents is by voice coil loudspeaker voice coil 70, produce voice coil loudspeaker voice coil 70 The raw alternating current changed with audio, cutting magnetic line produces mechanical oscillation, drives vibrational system to occur the back and forth movement of longitudinal direction. Vibration passes to the first housing 74, the second housing by the first flexible member 75, and by the position that directly contacts with people's bone by sound Vibration is delivered to people's bone, so as to allow people to sense sound by osteoacusis.Because flexible member drives magnet assembly vibration, the first bullet Property the lower surface of element 75 and the 3rd flexible member 78 upper surface between distance straight can ensure magnet assembly and elasticity member Between part formed oscillation space size, it is preferable that the upper surface of the lower surface of the first flexible member 75 and the 3rd flexible member 78 it Between distance straight be more than the maximum of the first flexible member 75 and the 3rd flexible member 78 parallel to the deformation of axis of symmetry direction Sum, to avoid the first flexible member 75 and the 3rd flexible member 78 in motion process from contacting with each other, forms noise.By The first flexible member 75 is fixedly installed on housing, then voice coil loudspeaker voice coil 70 is fixed on to the upper surface of the first flexible member 75 so that is raising When sound device works, the installation site of voice coil loudspeaker voice coil 70 will not shift, due to the first magnetic conductor 69 and the second magnetic conductor 77 and elasticity Position between element is relatively fixed, namely the installation site of magnetic gap is constant, and then ensure that the mounting stability of voice coil loudspeaker voice coil, from And fundamentally ensure that the tonequality of loudspeaker.
Situation during the bone-conduction speaker device work of double positioning is identical with the information disclosed in embodiment three.More than Description be only the present invention specific embodiment, the scope that this patent is protected is not limited in implementation feelings described above Condition.For those of ordinary skills, it can implement without creative efforts to described above Situation is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.
Embodiment nine
It is a kind of structural representation of the bone-conduction speaker device of double positioning as shown in figure 22, the structure of its pair of positioning can With different from embodiment eight.
In the present embodiment, the bone-conduction speaker device of double positioning can include magnet assembly, supporting part, located at magnetic group Elastic positioning member, voice coil loudspeaker voice coil between part and supporting part.Supporting part can include the first housing 86 and the second housing（Do not drawn in figure Go out）.Magnet assembly can include the first magnetic conductor 83, the second magnetic conductor 85 and magnet 84.The center of second magnetic conductor 85 can be with Decide whether to set as needed and there is a stage portion and recess, the periphery of the second magnetic conductor 85, which can be upwardly extended, to be provided with The side 851 of one protrusion.Positioning component can include the first flexible member 88, the second flexible member 79 and the 3rd flexible member 87.The external diameter of first flexible member 88, i.e., the external diameter of the first cylindrical ring body, less than the external diameter of the first housing 86, more than first shell The internal diameter of body 86, and the first housing 86 are connected as one by the way of certain；The external diameter of second flexible member 76, i.e., outside second The external diameter of torus, less than the external diameter of the first housing 86, is used necessarily more than the internal diameter of the first housing 86, and the first housing 86 Mode is connected as one；The external diameter of the external diameter of 3rd flexible member 87, i.e. the 3rd cylindrical ring body, it is outer less than the first housing 86 Footpath, more than the internal diameter of the first housing 86, the internal diameter of the internal diameter of the 3rd flexible member 87, i.e. the 3rd inner circle ring body is led less than second The external diameter of magnet side 851, more than the internal diameter of the second magnetic conductor side 851, and the second magnetic conductor side 851, the first housing 86 Connected as one by the way of certain.Voice coil loudspeaker voice coil 80 is fixedly installed on the upper surface of the first flexible member 88, voice coil loudspeaker voice coil 80 and first Flexible member 88 can be connected as one by the way of certain.
Connected mode and fixed connection mode between shape, size, structure, material and all parts of above all parts It is identical with the information disclosed in embodiment eight.For those of ordinary skills, creative work can not paid In the case of, some amendments are done to performance described above and are changed, these amendments and variation are also to belong to institute of the present invention The scope of protection.
From first location division 773 is arranged on unlike the center of the second magnetic conductor 77 in embodiment eight, in the present embodiment, First location division 852 is arranged on the outside of the second magnetic conductor side 851.Outside in the second magnetic conductor side 851, is provided with One location division 852, the direction of the first location division 852 extension is the diametric(al) of side 851, fixed by first away from voice coil loudspeaker voice coil 80 852 pair second of position portion magnetic conductor 85 is positioned.Second flexible member 79 and can be using certain between the first housing 86 Mode is connected as one, and can is physics mode, such as clamping and welding or chemical mode, for example, be bonded, preferably Ground, is connected as one between the second flexible member 85 and the first housing 86 using bonding way.
Situation during the bone-conduction speaker device work of double positioning is identical with the information disclosed in embodiment three.More than Description be only the present invention specific embodiment, the scope that this patent is protected is not limited in implementation feelings described above Condition.For those of ordinary skills, it can implement without creative efforts to described above Situation is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.
Embodiment ten
In this implementation, for a kind of bone-conduction speaker device structure of double positioning described in embodiment two, using limited The method of member emulation, compared for using double locating structure to magnetic induction intensity enhancing effect in magnetic gap.Figure 23 is shown not With under magnetic gap, the Magnetic Induction Density Distribution on coil.In terms of the result of emulation, in the case where magnet characteristic is constant, set After double locating structure, Tu15Zhong, the magnetic induction intensity at voice coil loudspeaker voice coil 14 enhances at least 20%.
Further, on this basis, for a kind of bone-conduction speaker device of double positioning described in embodiment two Structure, the frequency response to vibrating speaker carries out finite element simulation.Relative to not increasing the vibrating speaker of double locating structure, A kind of vibrating speaker of double locating structure of disclosure in embodiment two, first flexible member 12 shown in Figure 15 and Second flexible member 18 can be when stiffness factor reduces, and substantially deflection does not occur simultaneously for the two.It is finite element as shown in figure 24 First flexible member 12 of the vibrating speaker of simulation result, wherein double locating structure and the stiffness factor of the second flexible member 18 For 1/10th without use double locating structure vibrating speaker.Add after double positioner, because magnetic gap reduces, magnetic induction Intensity increase, the sensitivity of vibrating speaker adds 8-10dB, it is meant that vibrating speaker has higher efficiency.Meanwhile, Frequency response curve is obviously improved in middle low-frequency range, and frequency response is more flat, shows that vibrating speaker has more preferable sound Matter.
Situation during the bone-conduction speaker device work of double positioning is identical with the information disclosed in embodiment one.More than Description be only the present invention specific embodiment, the scope that this patent is protected is not limited in implementation feelings described above Condition.For those of ordinary skills, it can implement without creative efforts to described above Situation is done some amendments and changed, and these amendments and variation are also to belong to the scope that the present invention is protected.

Claims (13)

1. the bone-conduction speaker device of a kind of pair of positioning formula, it is characterised in that the bone-conduction speaker device includes：
Supporting part；
Voice coil loudspeaker voice coil；
Magnet assembly, the magnet assembly at least includes two magnetic parts；
Positioning component, the positioning component at least includes two flexible members；
The magnet assembly and the positioning component are arranged on the supporting part；
Two flexible members are connected with the magnet assembly respectively；
Position between the magnet assembly and the supporting part keeps being relatively fixed；
Position between the voice coil loudspeaker voice coil and the supporting part keeps being relatively fixed.
2. bone-conduction speaker device according to claim 1, it is characterised in that
The magnet assembly at least includes the first magnetic part (5,16) and the second magnetic part (7,17), first magnetic part (5, 16) it is magnetic conductor or magnet, second magnetic part (7,17) is magnetic conductor or magnet；
There is magnetic gap (10,15) between first magnetic part (5,16) and second magnetic part (7,17).
3. bone-conduction speaker device according to claim 2, it is characterised in that
The positioning component includes the first flexible member (2,12) and the second flexible member (8,18)；
On the bearing of trend of first flexible member (2,12), first flexible member (2,12) causes the first magnetic part The position of (5,16) between the supporting part keeps being relatively fixed；
On the bearing of trend of second flexible member (8,18), second flexible member (8,18) causes the second magnetic part The position of (7,17) between the supporting part keeps being relatively fixed.
4. bone-conduction speaker device according to claim 3, it is characterised in that
The bearing of trend of first flexible member (2,12) is parallel with the bearing of trend of second flexible member (8,18)；
The magnet assembly has an axis of symmetry, and the axis direction of the magnet assembly and first flexible member (2, 12) bearing of trend, the bearing of trend of second flexible member (8,18) is vertical.
5. bone-conduction speaker device according to claim 4, it is characterised in that
The supporting part includes the first housing (1,11) and the second housing (9,19)；
First housing (1,11) and the second housing (9,19) form empty for the receiving of housing magnetic components, positioning component Between；
Also,
On the bearing of trend of first flexible member (2,12), first flexible member (2,12) causes the first magnetic part Position between (5,16) and first housing (1,11) keeps being relatively fixed；
On the bearing of trend of second flexible member (8,18), second flexible member (8,18) causes the second magnetic part Position between (7,17) and second housing (9,19) keeps being relatively fixed.
6. bone-conduction speaker device according to claim 5, it is characterised in that
Be provided with first step (51,161) on first magnetic part (5,16), with by first step (51,161) first Oscillation space is formed between magnetic part (5,16) and the first flexible member (2,12)；
Be provided with second step (71,171) on second magnetic part (7,17), with by second step (71,171) second Oscillation space is formed between magnetic part (7,17) and the second flexible member (8,18)；
Side of the first step (51,161) away from second magnetic part (7,17) sets the first location division (52,162)； Side of the second step (71,171) away from first magnetic part (5,16) sets the second location division (72,172)；It is described The first positioning hole (21,121) being engaged with first location division (52,162) is provided with first flexible member (2,12), Be provided with second flexible member (8,18) be engaged with second location division (72,172) the second positioning hole (81, 181)。
7. bone-conduction speaker device according to claim 6, it is characterised in that
There is the annular sidewall being extended to first magnetic part (5,16) direction on second magnetic part (7,17) (73,173), form the magnetic gap (10,15) between the annular sidewall (73,173) and first magnetic part (5,16).
8. bone-conduction speaker device according to claim 6, it is characterised in that
At least a portion of the voice coil loudspeaker voice coil (4,14) be arranged on first magnetic part (5,16) and second magnetic part (7, 17) in the magnetic gap (10,15) between.
9. bone-conduction speaker device according to claim 8, it is characterised in that
Packing ring (3,13) is provided between the first housing (1,11) and the second housing (9,19), the packing ring (3,13) is annular Packing ring, the voice coil loudspeaker voice coil (4,14) is fixed on the packing ring (3,13).
10. bone-conduction speaker device according to claim 9, it is characterised in that
First flexible member (2,12) and second flexible member (8,18) respectively be located at first magnetic part (5, 16) with the both sides of the second magnetic part (7,17),
And first flexible member (2,12) is fixedly connected with the packing ring (3,13) and first magnetic part (5,16), Second flexible member (8,18) is fixedly connected with second housing (9,19) and second magnetic part (7,17).
11. bone-conduction speaker device according to claim 10, it is characterised in that
First flexible member (2,12) include the first inner circle ring body and the first cylindrical ring body, the first inner circle ring body with At least two first poles (22,122) are uniformly arranged between the first cylindrical ring body；
And/or,
Second flexible member (8,18) include the second inner circle ring body and the second cylindrical ring body, the second inner circle ring body with At least two second poles (82,182) are uniformly arranged between the second cylindrical ring body.
12. bone-conduction speaker device according to claim 11, it is characterised in that
The first positioning hole (21,121) is provided with the first inner circle ring body；Is provided with the second inner circle ring body Two positioning holes (81,181)；And/or
It is described to setting first pole of center influx between the first inner circle ring body and the first cylindrical ring body First pole is preferably straight-bar；
It is described to setting second pole of center influx between the second inner circle ring body and the second cylindrical ring body Second pole is preferably straight-bar.
13. bone-conduction speaker device according to claim 12, it is characterised in that
The center of first flexible member (2,12) engages and/or viscous with the first location division (52,162) of the first magnetic part (5,16) Connect；And/or
The upper surface of the periphery lower surface bonds packing ring (3,13) of first flexible member (2,12)；
The center of second flexible member (8,18) engages and/or viscous with the second location division (72,172) of the second magnetic part (7,17) Connect；And/or
The periphery of second flexible member (8,18) is fixed on the second housing (9,19).
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US11463814B2 (en) 2011-12-23 2022-10-04 Shenzhen Shokz Co., Ltd. Bone conduction speaker and compound vibration device thereof
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