CN107222810B - Acoustic receivers and vibrating diaphragm for acoustic receivers - Google Patents
Acoustic receivers and vibrating diaphragm for acoustic receivers Download PDFInfo
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- CN107222810B CN107222810B CN201710579858.1A CN201710579858A CN107222810B CN 107222810 B CN107222810 B CN 107222810B CN 201710579858 A CN201710579858 A CN 201710579858A CN 107222810 B CN107222810 B CN 107222810B
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- Prior art keywords
- oscillating airfoil
- bulge
- oscillating
- frame
- arrangement
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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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
Abstract
It includes: the shell with voice output port that the present invention, which provides a kind of acoustic receivers and vibrating diaphragm, the acoustic receivers,；Vibrating diaphragm；The vibrating diaphragm includes the film in the gap that the oscillating airfoil with V-arrangement bulge-structure, the frame being disposed around around the oscillating airfoil, the hinge that the oscillating airfoil is connected to the frame and bridge joint open the oscillating airfoil and the frame space；The vibrating diaphragm is set in the shell and the shell is isolated ante-chamber and back cavity；The ante-chamber is acoustically coupled to the output port；The motor being set in the back cavity；The motor includes the coil around armature setting；A part of the armature is movably located between the magnet kept by magnetic yoke；The armature is connected to the vibrating diaphragm；Wherein, when applying pumping signal to the coil, for the oscillating airfoil when armature drive moves down dynamic, compared to the oscillating airfoil without the V-arrangement bulge-structure, the V-arrangement bulge-structure is by the resonance transfer of the oscillating airfoil to higher frequency.
Description
Technical field
The present invention relates to acoustic equipment field more particularly to a kind of acoustic receivers and for the vibrating diaphragm of acoustic receivers.
Background technique
Various types of microphones and receiver (energy converter) have been used for many years.In these devices, different electrical property
Component is all installed together in shell or component.For example, receiver generally includes coil, spool, lamination and other components,
And these components are all installed in receiver shell.Other types of acoustic apparatus may include other types of component.It connects
The motor received in device generally includes coil, magnet and armature, they together form magnetic circuits.
Energy converter can be used in a variety of applications of such as hearing aid or earphone etc.Can also in such as wearable device,
These devices are used in the other application of personal computer or cellular phone etc.
In the receiver, vibrating diaphragm to form vibration by being driven by armature, and then generates and export sound outward.Existing vibration
Film structure as shown in Figure 1, the vibrating diaphragm include frame 1 and the oscillating airfoil 2 in frame 1.It is convex that oscillating airfoil 2 is equipped with rectangle
Play structure 3.
Using the receiver of existing diaphragm structure in application end use process, by taking application is hearing aid as an example, using
Discovery is easy to produce reso-nance problems in the process, affects user experience.
Summary of the invention
It is found by inventor's a large number of experiments, when exporting sound using the vibrating diaphragm of existing structure, the oscillating airfoil itself of vibrating diaphragm
Resonant frequency it is lower (for 5KHz), even lower than 5KHz, this allow for the pumping signal that oscillating airfoil receives be 5KHz when
It resonates, to go wrong in application end because of the frequent generation of the resonance.
According to above-mentioned discovery, the object of the present invention is to provide a kind of acoustic receivers and for the vibrating diaphragm of acoustic receivers,
To be able to ascend the resonant frequency of oscillating airfoil, the probability that vibrating diaphragm resonates is reduced, improves the quality of output sound, improves user
Usage experience.
In order to achieve the above objectives, the present invention provides a kind of acoustic receivers, comprising:
Shell with voice output port；
Vibrating diaphragm；The vibrating diaphragm include the oscillating airfoil with V-arrangement bulge-structure, the frame being disposed around around the oscillating airfoil,
The oscillating airfoil is connected to the hinge of the frame and bridges the gap for opening the oscillating airfoil and the frame space
Film；
The vibrating diaphragm is set in the shell and the shell is isolated ante-chamber and back cavity；The ante-chamber acoustical coupling
To the output port；
The motor being set in the back cavity；The motor includes the coil around armature setting；One of the armature
Divide between the magnet for being movably located on and being kept by magnetic yoke；The armature is connected to the vibrating diaphragm；
Wherein, when to the coil apply pumping signal, the oscillating airfoil the armature drive move down dynamic when, compared to
The not oscillating airfoil of the V-arrangement bulge-structure, the V-arrangement bulge-structure is by the resonance transfer of the oscillating airfoil to higher frequency.
Preferably, the oscillating airfoil includes multiple V-arrangement bulge-structures on the vibration wing surface.
Preferably, the oscillating airfoil includes two V-arrangement bulge-structures；Two V-arrangement bulge-structures, which are directed, is formed in institute
State the X-shaped bulge-structure of vibration wing surface.
Preferably, the oscillating airfoil includes the V-arrangement bulge-structure of multiple nestings on the vibration wing surface；It is described more
The V-arrangement bulge-structure of a nesting is separated by gap.
Preferably, the frame, the oscillating airfoil and the hinge constitute single integrated molding element；And the V-arrangement
Bulge-structure is the punching structure on the vibration wing surface.
Preferably, the oscillating airfoil includes at least two V-arrangement bulge-structures；At least two V-arrangements bulge-structure is directed
Form the X-shaped bulge-structure being symmetrically disposed on the oscillating airfoil.
Preferably, the oscillating airfoil includes the V-arrangement bulge-structure of multiple nestings；The V-arrangement bulge-structure of the multiple nesting
It is separated by gap；And the multiple V-arrangement bulge-structure is arranged symmetrically about the axial dimension of the oscillating airfoil.
Preferably, the frame, the oscillating airfoil and the hinge are set on same plane, also, the punching press knot
Structure is configured to protrusion outstanding on this plane.
Preferably, the hinge includes two cantilever hinges.
Preferably, when the coil is applied pumping signal, the oscillating airfoil is described when armature drive moves down dynamic
The resonance of oscillating airfoil is transferred to 6KHz from 5KHz by V-arrangement bulge-structure.
A kind of vibrating diaphragm for acoustic receivers, the vibrating diaphragm include:
Oscillating airfoil；
The frame being disposed around around the oscillating airfoil；The frame is opened with the oscillating airfoil by clearance gap；
The oscillating airfoil is connected to the hinge of the frame；Wherein, the oscillating airfoil is by the hinge relative to institute
It is mobile to state frame；
The oscillating airfoil has the V-arrangement bulge-structure on the vibration wing surface；
Wherein, when the oscillating airfoil is mobile relative to the frame, compared to the vibration without the V-arrangement bulge-structure
The resonance of the oscillating airfoil is moved to higher frequency by the wing, the V-arrangement bulge-structure.
Preferably, the oscillating airfoil includes two V-arrangement bulge-structures；Two V-arrangement bulge-structures, which are directed, is formed in institute
State the X-shaped bulge-structure of vibration wing surface.
Preferably, the oscillating airfoil includes the V-arrangement bulge-structure of multiple nestings on the vibration wing surface；It is described more
The V-arrangement bulge-structure of a nesting is separated by gap.
Preferably, the frame, the oscillating airfoil and the hinge constitute single integrated molding element；And the V-arrangement
Bulge-structure is the punching structure on the vibration wing surface.
Preferably, the oscillating airfoil includes at least two V-arrangement bulge-structures；At least two V-arrangements bulge-structure is directed
Form the X-shaped bulge-structure being symmetrically disposed on the oscillating airfoil.
Preferably, the oscillating airfoil includes the V-arrangement bulge-structure of multiple nestings；The V-arrangement bulge-structure of the multiple nesting
It is separated by gap；And the multiple V-arrangement bulge-structure is arranged symmetrically about the axial dimension of the oscillating airfoil.
Preferably, the frame, the oscillating airfoil and the hinge are set on same plane, also, the punching press knot
Structure is configured to protrusion outstanding on this plane.
It preferably, further include the film for bridging the gap between the oscillating airfoil and the frame, wherein the film is permitted
Perhaps the described oscillating airfoil is mobile relative to the frame.
Preferably, when the oscillating airfoil is mobile relative to the frame, the V-arrangement bulge-structure reduces the oscillating airfoil
The tendency of distortion.
As it can be seen that the oscillating airfoil in the present invention applies excitation letter by being equipped with V-arrangement bulge-structure, to work as to the coil
Number, for the oscillating airfoil when armature drive moves down dynamic, compared to the oscillating airfoil without the V-arrangement bulge-structure, the V-arrangement is convex
Rise structure by the resonance transfer of the oscillating airfoil to higher frequency, therefore, acoustic receivers energy provided by the embodiment
The probability to resonate when vibrating diaphragm low frequency is enough effectively reduced improves the quality of output sound, improves user experience.In addition,
When the oscillating airfoil is mobile relative to the frame, the V-arrangement bulge-structure reduces the tendency of the oscillating airfoil distortion.
Referring to following description and accompanying drawings, only certain exemplary embodiments of this invention is disclosed in detail, specifies original of the invention
Reason can be in a manner of adopted.It should be understood that embodiments of the present invention are not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, embodiments of the present invention include many changes, modifications and are equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without any creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the diaphragm structure schematic diagram of existing structure；
Fig. 2 is the diaphragm structure schematic diagram that one embodiment of the present invention provides；
Fig. 3 is the acoustic receivers structural schematic diagram using vibrating diaphragm shown in Fig. 2
Fig. 4 is the diaphragm structure schematic diagram that another embodiment of the present invention provides；
Fig. 5 is the diaphragm structure schematic diagram that another embodiment of the present invention provides；
Fig. 6 is the Oscillation Amplitude curve graph of vibrating diaphragm shown in vibrating diaphragm shown in Fig. 2 and Fig. 1；
Fig. 7 is the vibration force curve graph of vibrating diaphragm shown in vibrating diaphragm shown in Fig. 2 and Fig. 1.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to guarantor of the present invention
The range of shield.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
Fig. 2 to Fig. 3, the acoustic receivers that one embodiment of the present invention provides are please referred to, which includes: tool
The shell 10 of sound output port；Vibrating diaphragm 20 (diaphragm)；The vibrating diaphragm 20 includes having V-arrangement bulge-structure 25
The oscillating airfoil 22 (paddle) of (chevron rib structure), the frame 21 being disposed around around the oscillating airfoil 22
(frame), the oscillating airfoil 22 is connected to the hinge 23 (hinge) of the frame 21 and bridged the oscillating airfoil 22
The film (membrane is not shown) in the gap being spaced apart with the frame 21；The vibrating diaphragm 20 is set in the shell 10
And the shell 10 is isolated into ante-chamber 11 and back cavity 12；The ante-chamber 11 is acoustically coupled to the output port 111；It is set to
Motor in the back cavity 12；The motor includes the coil 30 being arranged around armature 50；The armature 50 it is a part of removable
It is located between the magnet 40 kept by magnetic yoke 60 dynamicly；Armature 50 described in shell 10 is connected to the vibrating diaphragm 20；Wherein, when to institute
It states coil 30 and applies pumping signal, when the oscillating airfoil 22 moves under the armature 50 drive, compared to no V-arrangement protrusion
The oscillating airfoil 22 of structure 25, the V-arrangement bulge-structure 25 is by the resonance transfer of the oscillating airfoil 22 to higher frequency.
When acoustic receivers carry out sounding in the present embodiment, pumping signal (excitation is received by the coil 30 of motor
Signal usually transmits in the form of electric current), and armature 50 is moved under the collective effect of magnet 40, armature 50 passes through connecting pin
70 (fork) drive oscillating airfoil 22 to vibrate, and then form sound, and export sound by the voice output port of ante-chamber 11.
In motor, coil 30 may be constructed a channel 31, at least one magnet 40 (usually two) is protected in magnetic yoke 60
Hold one gap 41 of lower formation.Coil 30 can be generated in armature 50 when electric current flows through coil 30 with input current (pumping signal)
Alternating magnetic field, then armature 50 drives connecting pin 70 to move in the case where magnet 40 is formed by magnetic fields, to pass through connecting pin
70, which cause oscillating airfoil 22, vibrates, and generates desired sound.
Certainly, the example above is only the present embodiment to be applied to the example of hearing aid, and the application is not restricted to this, than
Such as, the electro-acoustic conversion device in the present embodiment also can be applied to earphone, microphone etc..
In the present embodiment, shell 10 is formed with ante-chamber 11 and back cavity 12 by vibrating diaphragm 20, wherein ante-chamber 11 is used for sound
Sound output, back cavity 12 is for accommodating motor.For ante-chamber 11 to be isolated with back cavity 12, vibrating diaphragm 20 is provided with film (not shown), should
Film covers the gap 24 between oscillating airfoil 22 and frame 21, so that ante-chamber 11 and back cavity 12 be blocked to pass through frame 21 and vibration
Gap 24 between the wing 22 is connected to, therefore the film can also be considered as and block gap 24.The film can bridge at oscillating airfoil 22
Gap 24 is covered between frame 21, it is to be understood that the film can will be located at frame 21 and the vibration of 24 two sides of gap
The dynamic wing 22 bridges, and blocks so that the gap 24 be covered.Specifically, film can be covered in entire frame 21 and oscillating airfoil 22
On.
In this embodiment, the film allows the oscillating airfoil 22 mobile relative to the frame 21.Specifically, should
Film can be elastic membrane, which can produce the deformation such as stretching, and film is stretched oscillating airfoil 22 during exercise, and holding pair
The covering in gap blocks.In addition feasible, film can also there are allowances appropriate in 24 position of gap, thus in oscillating airfoil 22
Guarantee that oscillating airfoil 22 is not disturbed when vibration by allowance.
In the present embodiment, oscillating airfoil 22 is by 23 connection framework 21 of hinge, and frame 21 can be fixed on shell 10,
To which 20 position of vibrating diaphragm be fixed.Oscillating airfoil 22 can be moved by hinge 23 relative to frame 21.Specifically, hinge 23 can be with
It is bent when mobile by oscillating airfoil 22, so that oscillating airfoil 22 be made to form vibration.In other embodiment, hinge 23 also can have pivot
Shaft, the pivotal axis can be parallel with 22 width direction of oscillating airfoil, and oscillating airfoil 22 can surround the pivot axis, rotation side
To perpendicular to the pivotal axis.
In a preferred embodiment, which can be an integral structure with oscillating airfoil 22, frame 21, that is, the vibrating diaphragm
20 do not have film when structure (oscillating airfoil 22, frame 21, hinge 23) can be an integral molding structure.At this point, oscillating airfoil 22,
Frame 21, hinge 23 be it is single be integrally formed element, this is individually integrally formed described in element can be formed equipped with the film
Vibrating diaphragm 20.
As shown in Fig. 2, the hinge 23 in the embodiment can be (substantially rectangular in shape for two cantilever hinges 23a, 23b
Connection strap), two cantilever hinges 23a, 23b are located at a short side of rectangle oscillating airfoil 22, correspondingly, two cantilever hinges
The short side of oscillating airfoil 22 is connect by 23a, 23b with the short side of the inner ring (being similarly rectangle) of neighbouring frame 21.Wherein, oscillating airfoil
Except 23 position of hinge forms gap between 22 outer edge and the inner ring of frame 21, and the film is bridged in gap 24.
In the present embodiment, the V-arrangement bulge-structure 25 can be formed for 22 surface self-deformation of oscillating airfoil, can also be with
To be connected on 22 surface of oscillating airfoil by modes such as welding.Preferably, the V-arrangement bulge-structure 25 passes through 22 table of oscillating airfoil
Deformation of surface figure at.Specifically, the V-arrangement bulge-structure 25 can be the punching structure on 22 surface of oscillating airfoil.Such as Fig. 3 institute
Show, the frame 21, the oscillating airfoil 22 and the hinge 23 are set on same plane 200, and the punching structure is configured to
The protrusion outstanding in the plane 200.Specifically, the V-arrangement bulge-structure 25 is along prominent away from the direction of (or separate) back cavity 12.
In the present embodiment, oscillating airfoil 22 is equipped with V-arrangement bulge-structure 25, which is able to ascend vibration
The resonant frequency of the dynamic wing 22.Wherein, for the V-arrangement bulge-structure 25 by the resonance transfer of oscillating airfoil 22 a to preset frequency, this is predetermined
Frequency is higher than 5KHz, in experiments it is found that, which can be substantially reduced triggering sympathetic response in 6KHz-8KHz range and generate
Probability.In an actual embodiment, when the coil 30 is applied pumping signal, the oscillating airfoil 22 is in the armature 50
When driving lower mobile, the resonance of oscillating airfoil 22 is transferred to 6KHz from 5KHz by the V-arrangement bulge-structure 25.
In the present embodiment, by V-arrangement bulge-structure 25 being arranged on oscillating airfoil 22 to improve being total to for oscillating airfoil 22
This effect of vibration frequency is proved by a large number of experiments.Specific test is, by one using structure (existing structure) shown in Fig. 1
Vibrating diaphragm and resonance test is carried out using 100 vibrating diaphragm 20 of X-shaped bulge-structure shown in Fig. 2, two receiver vibrating diaphragms remove oscillating airfoil 22
On bulge-structure it is different except, other experimental conditions are consistent.
The resonant frequency result that the test obtains is as shown in Fig. 6 to 7.Wherein, Fig. 6 is Oscillation Amplitude and frequency test curve
Figure, from fig. 6, it can be seen that the vibrating diaphragm of traditional structure has a resonance peak, and the vibrating diaphragm in present embodiment in the position 5KHz
20 form resonance peak in the position 6KHz.See Fig. 7 again, Fig. 7 is vibration force and frequency test curve graph, equally can be with from Fig. 7
Find out, the vibrating diaphragm of traditional structure has a resonance peak in the position 5KHz, and the vibrating diaphragm 20 in present embodiment is then at 6KHz
It sets even more big frequency and forms resonance peak later.
Therefore the frequency that the vibrating diaphragm it can be seen from test result relative to existing structure resonates (is located substantially at
The position 5KHz), resonance transfer to higher frequency (can be located substantially at using the V-arrangement bulge-structure 25 of present embodiment
The position 6KHz).
In addition, oscillating airfoil 22 is generally configured with multiple resonance modes (or resonant frequency), found by a large number of experiments, the V-arrangement
Bulge-structure 25 can shift at least one and resonate to higher frequency, and not change remaining resonant frequency, thus to vibration
Other mode of the wing 22 do not have an impact.Specifically, one of multiple resonance (frequency) can be transferred to by V-arrangement bulge-structure 25
Higher frequency does not change remaining resonant frequency.
As it can be seen that the oscillating airfoil 22 in present embodiment is applied to work as to the coil 30 by being equipped with V-arrangement bulge-structure 25
Add pumping signal, when the oscillating airfoil 22 moves under the armature 50 drive, compared to the vibration without the V-arrangement bulge-structure 25
The dynamic wing 22, the V-arrangement bulge-structure 25 by the resonance transfer of the oscillating airfoil 22 to higher frequency, therefore, the embodiment
Provided acoustic receivers can be effectively reduced the probability that vibrating diaphragm 20 resonates in low frequency, improve the quality of output sound,
Improve user experience.In addition, when the oscillating airfoil 22 is mobile relative to the frame 21, the V-arrangement bulge-structure 25
Reduce the tendency that the oscillating airfoil 22 distorts.
Wherein, which is along perpendicular to 22 surface direction of oscillating airfoil bulge-structure outstanding.The V-arrangement is convex
Play the entirety that structure 25 can be a bulge-structure, or the part of a bulge-structure.Refering to what is shown in Fig. 4, the V-arrangement is raised
Structure 25 has connected two branches 251,252.The end 253 of two branches 251,252 is connected and (can also be considered as intersection
Converge), the junction of two branches 251,252 can form tip 253, it is possible to have the fillet of smooth transition, this embodiment party
Formula is not made specifically to limit.In addition, two branches 251,252 are straight to other end from link position 253 (or the position that crosses)
Line extends, and angle between the two is less than 180 degree and is greater than 0 degree.Two branches 251,252 can be in symmetrically to set about a symmetry axis
Meter, the i.e. length of the two, width, the height of protrusion are consistent.Certainly, the length of two branches 251,252, width, protrusion
It can also be at least one parameter difference in height.
As can be seen that the V-arrangement bulge-structure 25 in present embodiment is that entirety is in " V "-shape, need to only be seen in normal vision
It examines the bulge-structure on lower oscillating airfoil 22 and " V " font or class V-shaped structure is presented in whole or in part, be in V-arrangement of the invention
Under the range that bulge-structure 25 is covered.
In Fig. 4, another embodiment shown in fig. 5, the quantity of the V-arrangement bulge-structure 25 is at least one.It is more preferable
Ground promotes the resonant frequency of oscillating airfoil 22, and multiple V-arrangement bulge-structures 25 are formed on the surface of oscillating airfoil 22.Wherein,
There are many arrangements or combination of multiple V-arrangement bulge-structures 25, for example, nested type, reversed opening arrays, branch 251,252
Cross, it is random arrangement etc..
In a specific example as shown in Figure 2, the oscillating airfoil 22 includes two V-arrangement bulge-structures 25；Two V-arrangements are convex
It plays structure 25a, 25b and is directed the X-shaped bulge-structure 100 for being formed in 22 surface of oscillating airfoil.Specifically, two V-arrangement protrusions
The tip 253 of structure 25 is connected, and the opening of the integral bulge-structure of shape, two V-arrangement bulge-structures 25a, the 25b is mutual
Reversely (opposite facing opening).In Fig. 2, two V-arrangement bulge-structures 25a, 25b are left and right (for reference to base when with scope of readers to Fig. 2
It is quasi-) arrangement, certainly, also it is not excluded for two V-arrangement bulge-structure embodiments arranged up and down.
Further, the oscillating airfoil 22 includes at least two V-arrangement bulge-structure 25a, 25b；At least two V-arrangement protrusion
Structure 25a, 25b is directed the X-shaped bulge-structure 100 to be formed and be symmetrically disposed on the oscillating airfoil 22.As shown in Fig. 2, the X
Shape bulge-structure 100 is symmetrical structure, and there are two the symmetry axis (not shown) tools of the X-shaped bulge-structure 100: a symmetry axis is parallel
In the length direction of oscillating airfoil 22, another symmetry axis is parallel to the width direction of oscillating airfoil 22.
Meanwhile the oscillating airfoil 22 with the X-shaped bulge-structure 100 is parallel also with regard to a symmetry axis, the symmetry axis is flat
Length direction or axial dimension direction of the row in oscillating airfoil 22.Wherein, oscillating airfoil 22 is equipped with the through-hole connecting with connecting pin 70
26, which is similarly positioned on symmetry axis.Shape, the weight that oscillating airfoil 22 can be made to be located at symmetry axis two sides is arranged such
Etc. parameters it is identical, avoid vibration when lateral deviation occurs.Preferably, X-shaped bulge-structure 100, oscillating airfoil 22 and vibrating diaphragm 20
About same symmetrical axial symmetry.
In another preferred embodiment shown in Fig. 4, the oscillating airfoil 22 includes on 22 surface of oscillating airfoil
The V-arrangement bulge-structure 25 of multiple nestings；The V-arrangement bulge-structure 25 of the multiple nesting is separated by gap.Specifically, multiple V
Shape bulge-structure 25 is arranged along the length direction (axial dimension direction) of oscillating airfoil 22, the opening direction vibration of V-arrangement bulge-structure 25
Dynamic 22 1 short side of the wing, tip 253 is towards another short side of oscillating airfoil 22.As shown in figure 4, the opening direction vibration of V-arrangement bulge-structure 25
The short side of dynamic 22 connects hinge 23 of the wing, the tip 253 of a V-arrangement bulge-structure 25 is protruded by the opening of another V-arrangement bulge-structure 25
In its Delta Region, and two neighboring V-arrangement bulge-structure 25 is opened by clearance gap, and the two does not generate contact, thus shape
At nested structure.
Further, the oscillating airfoil 22 includes the V-arrangement bulge-structure 25 of multiple nestings；The V-arrangement of the multiple nesting is convex
Structure 25 is played to separate by gap；And the multiple V-arrangement bulge-structure 25 is symmetrical about the axial dimension of the oscillating airfoil 22
Ground arrangement.Under such structure, the V-arrangement bulge-structure 25 of multiple nestings is parallel to the length direction of oscillating airfoil 22 (axially about one
Dimensional directions) symmetrical axial symmetry, which passes through the tip 253 of V-arrangement bulge-structure 25.Meanwhile there is multiple V-arrangement protrusion
The oscillating airfoil 22 of structure 25 is also with regard to the symmetrical axial symmetry, so that oscillating airfoil 22 is located at shape, the weight etc. of symmetry axis two sides
Parameter is identical, avoids that lateral deviation occurs in vibration.
Certainly, do not repel on 22 surface of oscillating airfoil in present embodiment and be provided with other bulge-structures, such as Fig. 5 institute
Show, on 22 surface of oscillating airfoil in addition to the V-arrangement bulge-structure 25 of multiple nestings, is additionally provided with multiple triangle bulge-structures 27, three
Gap is again provided between angle bulge-structure 27 and V-arrangement bulge-structure 25, and (certainly, the bulge-structure of other structures is simultaneously not limited to
This structure).Meanwhile the oscillating airfoil 22 with a variety of bulge-structures is still symmetrical structure.Therefore, the vibration in present embodiment
The wing 22 is symmetrical structure, and lateral deviation occurs when to avoid vibration, promotes sound and exports quality.
Please continue to refer to Fig. 2, Fig. 4, Fig. 5, another embodiment of the present invention also provides a kind of for acoustic receivers
Vibrating diaphragm 20, the vibrating diaphragm 20 include: oscillating airfoil 22；The frame 21 being disposed around around the oscillating airfoil 22；The frame 21 and institute
Oscillating airfoil 22 is stated to open by clearance gap；The oscillating airfoil 22 is connected to the hinge 23 of the frame 21.Wherein, the vibration
The wing 22 is mobile relative to the frame 21 by being bent the hinge 23；The oscillating airfoil 22 has on 22 surface of oscillating airfoil
On V-arrangement bulge-structure 25.Wherein, convex compared to no V-arrangement when the oscillating airfoil 22 is mobile relative to the frame 21
The oscillating airfoil 22 of structure 25 is played, the resonance of the oscillating airfoil 22 is moved to higher frequency by the V-arrangement bulge-structure 25.
Please continue to refer to Fig. 2, Fig. 4, Fig. 5, yet another embodiment of the present invention also provides a kind of for acoustic receivers
Vibrating diaphragm 20, the vibrating diaphragm 20 include: oscillating airfoil 22；The frame 21 being disposed around around the oscillating airfoil 22；The frame 21 and institute
Oscillating airfoil 22 is stated to open by clearance gap；The oscillating airfoil 22 is connected to the hinge 23 of the frame 21.Wherein, the vibration
The wing 22 is mobile relative to the frame 21 by being bent the hinge 23；The oscillating airfoil 22 has on 22 surface of oscillating airfoil
On V-arrangement bulge-structure 25, which reinforces the structural strength of the oscillating airfoil 22.
In the above-described embodiment, the vibrating diaphragm 20 can also include bridging between the oscillating airfoil 22 and the frame 21
Gap 24 film (not shown), wherein the film allows the oscillating airfoil 22 mobile relative to the frame 21.
Oscillating airfoil in present embodiment is by being equipped with V-arrangement bulge-structure 25, so as to reinforce the structure of oscillating airfoil 22
Intensity extends the service life of oscillating airfoil 22.
Need specification, vibrating diaphragm 20, oscillating airfoil 22, V-arrangement bulge-structure 25, frame in above-mentioned each embodiment
21, film, the shape, structure of hinge 23 and function can refer to mutually, no longer repeat one by one herein.
Herein cited any digital value all include between lower limit value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity an of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that all possibility for the numerical value enumerated between minimum and peak
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to cover that " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part of subject matter.
Claims (17)
1. a kind of acoustic receivers, comprising:
Shell with voice output port；
Vibrating diaphragm；The vibrating diaphragm includes the oscillating airfoil with V-arrangement bulge-structure, the frame being disposed around around the oscillating airfoil, by institute
State the thin of the gap that oscillating airfoil is connected to the hinge of the frame and bridge joint opens the oscillating airfoil and the frame space
Film；
The vibrating diaphragm is set in the shell and the shell is isolated ante-chamber and back cavity；The ante-chamber is acoustically coupled to institute
State output port；
The motor being set in the back cavity；The motor includes the coil around armature setting；A part of the armature can
Movably it is located between the magnet kept by magnetic yoke；The armature is connected to the vibrating diaphragm；The frame, the oscillating airfoil and institute
It states hinge and constitutes single integrated molding element；And the V-arrangement bulge-structure is the punching structure on the vibration wing surface；
Wherein, when applying pumping signal to the coil, the oscillating airfoil is when armature drive moves down dynamic, compared to not having
The oscillating airfoil of the V-arrangement bulge-structure, the V-arrangement bulge-structure is by the resonance transfer of the oscillating airfoil to higher frequency.
2. receiver as described in claim 1, wherein the oscillating airfoil includes multiple V on the vibration wing surface
Shape bulge-structure.
3. receiver as described in claim 1, wherein the oscillating airfoil includes two V-arrangement bulge-structures；Two V-arrangements are convex
It plays structure and is directed the X-shaped bulge-structure for being formed in the vibration wing surface.
4. receiver as described in claim 1, wherein the oscillating airfoil includes multiple nestings on the vibration wing surface
V-arrangement bulge-structure；The V-arrangement bulge-structure of the multiple nesting is separated by gap.
5. receiver as described in claim 1, wherein the oscillating airfoil includes at least two V-arrangement bulge-structures；This at least two
A V-arrangement bulge-structure is directed the X-shaped bulge-structure to be formed and be symmetrically disposed on the oscillating airfoil.
6. receiver as described in claim 1, wherein the oscillating airfoil includes the V-arrangement bulge-structure of multiple nestings；It is described more
The V-arrangement bulge-structure of a nesting is separated by gap；And axial ruler of the multiple V-arrangement bulge-structure about the oscillating airfoil
It is very little to be arranged symmetrically.
7. receiver as described in claim 1, wherein the frame, the oscillating airfoil and the hinge are set to same flat
On face, also, the punching structure is configured to protrusion outstanding on this plane.
8. receiver as described in claim 1, wherein the hinge includes two cantilever hinges.
9. receiver as described in claim 1, wherein when the coil is applied pumping signal, the oscillating airfoil is described
When armature drive moves down dynamic, the resonance of oscillating airfoil is transferred to 6KHz from 5KHz by the V-arrangement bulge-structure.
10. a kind of vibrating diaphragm for acoustic receivers, the vibrating diaphragm include:
Oscillating airfoil；
The frame being disposed around around the oscillating airfoil；The frame is opened with the oscillating airfoil by clearance gap；
The oscillating airfoil is connected to the hinge of the frame；Wherein, the oscillating airfoil is by the hinge relative to the frame
Frame is mobile；
The oscillating airfoil has the V-arrangement bulge-structure on the vibration wing surface；The frame, the oscillating airfoil and the hinge
Chain constitutes single integrated molding element；And the V-arrangement bulge-structure is the punching structure on the vibration wing surface；
Wherein, when the oscillating airfoil is mobile relative to the frame, compared to the oscillating airfoil without the V-arrangement bulge-structure, institute
It states V-arrangement bulge-structure and the resonance of the oscillating airfoil is moved to higher frequency.
11. vibrating diaphragm as claimed in claim 10, wherein the oscillating airfoil includes two V-arrangement bulge-structures；Two V-arrangements are convex
It plays structure and is directed the X-shaped bulge-structure for being formed in the vibration wing surface.
12. vibrating diaphragm as claimed in claim 10, wherein the oscillating airfoil includes multiple nestings on the vibration wing surface
V-arrangement bulge-structure；The V-arrangement bulge-structure of the multiple nesting is separated by gap.
13. vibrating diaphragm as claimed in claim 11, wherein the oscillating airfoil includes at least two V-arrangement bulge-structures；This at least two
A V-arrangement bulge-structure is directed the X-shaped bulge-structure to be formed and be symmetrically disposed on the oscillating airfoil.
14. vibrating diaphragm as claimed in claim 11, wherein the oscillating airfoil includes the V-arrangement bulge-structure of multiple nestings；It is described more
The V-arrangement bulge-structure of a nesting is separated by gap；And axial ruler of the multiple V-arrangement bulge-structure about the oscillating airfoil
It is very little to be arranged symmetrically.
15. vibrating diaphragm as claimed in claim 11, wherein the frame, the oscillating airfoil and the hinge are set to same flat
On face, also, the punching structure is configured to protrusion outstanding on this plane.
16. vibrating diaphragm as claimed in claim 15, wherein further include the gap bridged between the oscillating airfoil and the frame
Film, wherein the film allows the oscillating airfoil mobile relative to the frame.
17. vibrating diaphragm as claimed in claim 10, wherein when the oscillating airfoil is mobile relative to the frame, the V-arrangement is convex
Play the tendency that structure reduces the oscillating airfoil distortion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710579858.1A CN107222810B (en) | 2017-07-17 | 2017-07-17 | Acoustic receivers and vibrating diaphragm for acoustic receivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710579858.1A CN107222810B (en) | 2017-07-17 | 2017-07-17 | Acoustic receivers and vibrating diaphragm for acoustic receivers |
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| Publication Number | Publication Date |
|---|---|
| CN107222810A CN107222810A (en) | 2017-09-29 |
| CN107222810B true CN107222810B (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710579858.1A Active CN107222810B (en) | 2017-07-17 | 2017-07-17 | Acoustic receivers and vibrating diaphragm for acoustic receivers |
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| CN (1) | CN107222810B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384834A (en) * | 2018-12-29 | 2020-07-07 | 歌尔股份有限公司 | Carrier type exciter device |
| CN213280074U (en) | 2019-12-30 | 2021-05-25 | 美商楼氏电子有限公司 | Balanced armature receiver |
| CN113132866B (en) | 2019-12-30 | 2022-06-28 | 美商楼氏电子有限公司 | Balanced armature receiver |
| US11671778B1 (en) | 2021-12-30 | 2023-06-06 | Knowles Electronics, Llc | Acoustic receivers with multiple diaphragms |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690260A (en) * | 2007-05-03 | 2010-03-31 | Pss比利时股份有限公司 | Loudspeaker with a stiffening element |
| CN205830004U (en) * | 2015-03-23 | 2016-12-21 | 美商楼氏电子有限公司 | Electroacoustics receptor diaphragm |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7899203B2 (en) * | 2005-09-15 | 2011-03-01 | Sonion Nederland B.V. | Transducers with improved viscous damping |
-
2017
- 2017-07-17 CN CN201710579858.1A patent/CN107222810B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690260A (en) * | 2007-05-03 | 2010-03-31 | Pss比利时股份有限公司 | Loudspeaker with a stiffening element |
| CN205830004U (en) * | 2015-03-23 | 2016-12-21 | 美商楼氏电子有限公司 | Electroacoustics receptor diaphragm |
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| CN107222810A (en) | 2017-09-29 |
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