CN107889034A - Loudspeaker and the shaking assembly suitable for loudspeaker - Google Patents
Loudspeaker and the shaking assembly suitable for loudspeaker Download PDFInfo
- Publication number
- CN107889034A CN107889034A CN201711042938.XA CN201711042938A CN107889034A CN 107889034 A CN107889034 A CN 107889034A CN 201711042938 A CN201711042938 A CN 201711042938A CN 107889034 A CN107889034 A CN 107889034A
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- Prior art keywords
- vibrating diaphragm
- hard
- printing opacity
- magnet
- shaking assembly
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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
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The embodiment of the invention discloses a kind of shaking assembly, suitable for a loudspeaker, including：One support member；One vibrating diaphragm, respond a driving force and shake and transmit vibrations to carry out acoustic radiating；One elastic membrane, there is the Part I being connected with the vibrating diaphragm, it can shake with the vibrating diaphragm, and with the Part II being connected with the support member, to position the vibrating diaphragm；And a sounding coil, when an alternating current flows through the line of force for producing and changing over time in the sounding coil, and the magnetic line of force is by the sounding coil as caused by a magnet, reciprocation therein can provide the driving force needed for the vibrations.The vibrating diaphragm is a kind of printing opacity rigid, hard vibrating diaphragm, and the printing opacity rigid, hard vibrating diaphragm is connected with the sounding coil using a photo-hardening adhesive agent.The use of photo-hardening adhesive agent can accelerate automated process.
Description
Technical field
The present invention relates to shaking assembly technical field, more particularly to a kind of loudspeaker and a kind of vibrations suitable for loudspeaker
Component.
Background technology
Loudspeaker (Speaker) is a kind of equipment that electronic signal is converted into sound, and since 19th-century, it is sent out
Exhibition history has continued more than 100 years.
In general, electrodynamics direct-radiator speaker is mainly by a magnet circuit unit, a part or complete position
The acoustic radiating that the sounding coil is attached to linkage in the sounding coil in the magnet circuit unit and one shakes
Film is formed, in most cases, in addition to other support members, for example (,) it is vibrating diaphragm ring (diaphragm surround), outstanding
Hang (spider or suspension), framework etc..Magnetic field caused by coil and magnet circuit group are flowed through using alternating current
Vibrations, and therefore band will be produced according to the interaction of Fleming's law, coil (sounding coil) between the magnetic field of part in itself
The vibrating diaphragm of dynamic attachment portion also shakes therewith, then vibrations is transferred to other diaphragm areas for not being attached directly to the coil.
Due to the transmission of sound, absorb (decay) and border reflection process and frequency dependence and non-linear, therefore sound is from entirely shaking
Diaphragm area is gone out with extremely complex mode radiation, and sends sound.Therefore, the characteristic such as the material of vibrating diaphragm, manufacture, shape
It greatly affected the voice quality of loudspeaker.
For example, European Patent Publication No EP 2268058A1 disclose micro- loudspeaker, in such as mobile phone, mobile phone,
The microelectronics such as Video Camera, personal digital assistant, digital camera, notebook computer, LCD TV, digital multi videodisc
Sound is remake in equipment.The vibroseis of the loudspeaker includes a sounding coil 8, embedded a permanent magnet P and a yoke
(yoke) in the ditch gap between 4 internal diameter, as shown in Figure 1.One loud-speaker diaphragm M is bound to the sounding coil 8.The film M includes
One thickness is less than 0.3mm, and young's modulus is less than 100MPa elastomer, such as silica resin (silicone).The elastic membrane
Coil 8 is bound to using traditional adhesive agent.As known to the personage for being familiar with this skill, it is preferred with the adhesive agent of ultraviolet light photopolymerization,
Because quick-hardening is critically important for automation is made.Because the vibroseis of preceding case further includes a hardening component 16,
It is provided in the tossing about relative to the sounding coil 8 of the film M, typically by metal or containing the opaque material such as metallic composite
The made hardening component 16 of material may be unfavorable for the ultraviolet light photopolymerization of adhesive agent.Even if polymer sheet light-permeable and available for purple
Outer photo-hardening processing procedure, still can meet with some problems.For example, in not preprocessed (introduction (primer) processing of polymer surfaces
Or plasma-based processing) in the case of, the coil/polymer adhesion is weak, and is easy to peel off, and is particularly in the sounding coil institute
It is more serious when under caused thermal source.
The content of the invention
Therefore, the embodiment of the present invention proposes a kind of loudspeaker and a kind of shaking assembly suitable for loudspeaker, and it includes one
Kind can be attached the hard loudspeaker radiation vibrating diaphragm of sounding coil in a manner of photo-hardening, to improve process efficiency.
On the one hand, the embodiments of the invention provide a kind of shaking assembly, in a loudspeaker, the shaking assembly bag
Include：One support member；One vibrating diaphragm, respond a driving force and shake and transmit vibrations to carry out acoustic radiating；One elastic membrane, have with
The Part I of the vibrating diaphragm connection, it can shake with the vibrating diaphragm, and with second be connected with the support member
Point, to position the vibrating diaphragm；And a sounding coil, produce anaplasia at any time when an alternating current is flowed through in the sounding coil
The line of force of change, and when the magnetic line of force is by the sounding coil as caused by a magnet, reciprocation therein can provide the shake
Dynamic required driving force；Wherein, the vibrating diaphragm is a kind of printing opacity rigid, hard vibrating diaphragm, and is made using a photo-hardening adhesive agent described
Printing opacity rigid, hard vibrating diaphragm is connected with the sounding coil.
In order to reach desired efficiency, printing opacity rigid, hard vibrating diaphragm of the invention preferably has obvious UV-A penetrances,
It is enough to harden the photo-hardening adhesive agent, is greater than 50%, its young's modulus value is more than 50GPa, and Moh's scale number surpasses
Cross 5.0.
The general material that these three physical conditions can be met includes but is not limited to monocrystalline diamond, monocrystalline alumina
(alumina；The clean and clear sapphire of optics (optical-clear Sapphire)), it is monocrystalline zirconium oxide (Zirconia), a variety of
Single crystal form oxide or nitride, the monocrystalline silica (silica of other materials；Quartzy (quartz)) and amorphous phase
Silica (glass).For cost and the consideration that difficulty is made, the printing opacity rigid, hard vibrating diaphragm is preferably by substantially equal
Matter non-crystalline material is made.The printing opacity rigid, hard vibrating diaphragm for example can be sheet glass.
Purpose is only for example below to be illustrated, but is not restricted to following embodiment.The printing opacity rigid, hard shakes
Film can be a flat tablet, a bowl-type tablet or a dome type tablet.Or the printing opacity rigid, hard vibrating diaphragm can
The interior section for being bent downwardly or being bent upwards including one, and a flat peripheral part being connected with the sounding coil.
Or the construction of the printing opacity rigid, hard vibrating diaphragm includes a somewhat downwardly flexed interior section, and one is bent downwardly
The larger peripheral part of amplitude, the peripheral part is located at the outside of a magnet circuit unit of the loudspeaker, wherein described
Magnet circuit unit includes described magnet.The elastic membrane can be as made by a soft high polymer material.
In another example the elastic membrane is located at the opposite sides of the printing opacity rigid, hard vibrating diaphragm with the sounding coil, or
The printing opacity rigid, hard vibrating diaphragm is located at the opposite sides of the elastic membrane with the sounding coil.The whole printing opacity is rigidly hard
Matter vibrating diaphragm is overlapping with the Part I of the elastic membrane, or the Part I of the elastic membrane is annular so that the printing opacity
Rigid, hard vibrating diaphragm has part not covered by the Part I of the elastic membrane.
In one embodiment, the shaking assembly further includes an auxiliary layer, with the printing opacity rigid, hard vibrating diaphragm or described
Elastic membrane or both is connected, to strengthen heat sinking function or improve acoustics efficiency.The auxiliary layer is, for example, an aluminium foil, one heavy
Product metal level or a graphite flake.
On the other hand, the present invention provides a kind of loudspeaker of acoustic radiating, including：One framework；One magnet circuit unit, use
To turn on the magnetic line of force；One magnet pot, to store the magnet circuit unit, and it is placed in the framework；And one vibrations
Component, it is placed in the framework, and including：One vibrating diaphragm, shaken in response to a driving force and transmit vibrations to carry out sound spoke
Penetrate；One elastic membrane, there is the Part I that be connected with the vibrating diaphragm, its construction can shake with the vibrating diaphragm, and have with
The Part II of the framework inner surface connection, to position the vibrating diaphragm；And a sounding coil, when an alternating current flows through
In the sounding coil, and when the magnetic line of force is by the sounding coil as caused by a magnet, reciprocation therein can provide
Driving force needed for the vibrations.Wherein, the vibrating diaphragm is a kind of printing opacity rigid, hard vibrating diaphragm, and uses a photo-hardening adhesive agent
The printing opacity rigid, hard vibrating diaphragm is set to be connected with the sounding coil.
In one embodiment, the magnet circuit unit includes the magnet for being located at the sounding coil hollow centre.
In another embodiment, the magnet circuit unit includes the magnet outside the sounding coil.
In another embodiment, the magnet circuit unit includes a plurality of magnet, is located at together with the sounding coil
In one annular ditch groove of the magnet pot.
In order to reach desired efficiency, printing opacity rigid, hard vibrating diaphragm of the invention preferably has obvious UV-A penetrances,
It is enough to harden the photo-hardening adhesive agent, is greater than 50%, its young's modulus value is more than 50GPa, and Moh's scale number surpasses
Cross 5.0.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing.
Fig. 1 is the diagrammatic cross-section for the conventional vibroseis in a loudspeaker.
Fig. 2 is that a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention shows
It is intended to.
Fig. 3 is a kind of section for including the loudspeaker of shaking assembly shown in Fig. 2 provided in one embodiment of the present of invention
Schematic diagram.
Fig. 4 is that a kind of rigid, hard being used in shaking assembly shown in Fig. 2 provided in one embodiment of the present of invention shakes
The diagrammatic cross-section of film.
Fig. 5 is that a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention shows
It is intended to.
Fig. 6 is that a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention shows
It is intended to.
Fig. 7 A are a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention
Schematic diagram.
Fig. 7 B are a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention
Schematic diagram.
Fig. 7 C are a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention
Schematic diagram.
Fig. 7 D are a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention
Schematic diagram.
Fig. 7 E are a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention
Schematic diagram.
Fig. 8 A are a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention
Schematic diagram.
Fig. 8 B are a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention
Schematic diagram.
Fig. 8 C are a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention
Schematic diagram.
Fig. 8 D are a kind of section of the shaking assembly suitable for a loudspeaker provided in one embodiment of the present of invention
Schematic diagram.
Fig. 9 A are a kind of section for including the loudspeaker of shaking assembly shown in Fig. 2 provided in one embodiment of the present of invention
Schematic diagram.
Fig. 9 B are a kind of section for including the loudspeaker of shaking assembly shown in Fig. 2 provided in one embodiment of the present of invention
Schematic diagram.
Fig. 9 C are a kind of section for including the loudspeaker of shaking assembly shown in Fig. 2 provided in one embodiment of the present of invention
Schematic diagram.
Fig. 9 D are a kind of section for including the loudspeaker of shaking assembly shown in Fig. 2 provided in one embodiment of the present of invention
Schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope that the present invention protects.
A kind of as shown in Fig. 2 section of the shaking assembly suitable for loudspeaker provided for one embodiment of the present of invention
Schematic diagram, shaking assembly 10 include a rigid, hard vibrating diaphragm 100, an elastic membrane 101, a support member 102 and a sounding coil
103.In this embodiment, rigid, hard vibrating diaphragm 100 is made by a light-permeable material, and sounding coil 103 utilizes a photo-hardening
Adhesive agent 104 is fixed on a surface 1001 of rigid, hard vibrating diaphragm 100.One interior section 1011 of elastic membrane 101 is anchored to
On the surface 1002 opposite with the surface 1001 where sounding coil 103 of rigid, hard vibrating diaphragm 100, and completely and rigid, hard
Vibrating diaphragm 100 is overlapping.Elastic membrane 101 has one from the peripheral part that interior section 1011 extends 1012 and the phase of support member 102 in addition
Connect.
As shown in figure 3, a kind of loudspeaker comprising above-mentioned shaking assembly 10 provided for one embodiment of the present of invention
Part sectioned view.In addition to shaking assembly 10, it is permanent that this loudspeaker 1 comprises additionally in a magnet pot (magnetic pot) 21, one
Magnet 22, a upper plate 23 and a framework 24.Magnet pot 21 is, for example, that U-shaped steel is made, to store shaking assembly 10.Forever
Magnet 22 is accommodated in magnet pot 21, and the upper plate 23 for example just made covers, and positioned at the center of sounding coil 103
Place.Shaking assembly 10, magnet pot 21, permanent magnet 22, upper plate 23 are placed in the framework 24 of such as plastic material, this frame
The construction of body can be as the support member that the peripheral part 1012 of elastic membrane 101 can be stopped.
Permanent magnet 22 produces the radial direction of magnetic flux 105 and passes through coil 103, as denoted by the arrows in fig. 2.Due to from permanent
Reciprocation between magnetic flux caused by the magnetic flux 105 and electric current flowing through coil 103 of magnet 2, shakes comprising rigid, hard
The shaking assembly 10 of film 100, elastic membrane 101 and sounding coil 103 just carries out corresponding mechanical movement 106, in Fig. 2
Arrow shown in.
In this embodiment, the elastic membrane is made by a soft high polymer material, can allow a certain degree of deformation, and
Ensure that original state can be returned back to.Rigid, hard vibrating diaphragm 100 is a glass flake, and the light that can hold most of ultraviolet light range is saturating
Cross, therefore shaking assembly 10 can harden adhesive agent by sounding coil 103, sheet glass 100 and elastic membrane 101 sequentially storehouse by UV
Form, thereby accelerate self-hardening program.Because glass (is generally greater than 120 DEG C but low in the thermmohardening temperature of general adhesive agent
In 200 DEG C) under will not permanent deformation will not also melt, therefore preferably can apply heat when sounding coil and glass bind, with
Further speed up hardening process.Due to the high rigidity characteristic of glass, the rigid, hard vibrating diaphragm can make very thin thin slice, simultaneously
And can is hard required for anti-air pressure difference deformation is maintained during fierceness shakes.Because glass vibrating diaphragm is relative to the warm of polymeric membrane
It is high (glass~1W/mk is relative to PET~0.2W/mk relative to air~0.024W/mk) to lead coefficient,
It also can be as the heat channel (heat sink) of sounding coil.In addition, the bonding of the sounding coil and glass can resist shearing
Power divests, because both hard.It is smaller with the marginal interface of adhesive agent due to the acoustic characteristic that glass is excellent, and
The adhesive agent of hard (hard-after-curing) kenel after hardening can be used, therefore beyond the Supersonic spoke of mankind's earshot
Penetrate also feasible.
It should be noted that the one embodiment for being only the rigid, hard vibrating diaphragm for the thin glass sheet, any other is suitable
Printing opacity hard loudspeaker radiation vibrating diaphragm (material preferably using glass as matrix), as long as may achieve above-mentioned advantage, may be used to
In the present invention.For example, the U.S. patent application case number 15/673,554 proposed in same Applicant (make herein by its content quotation
For reference) in, propose a kind of with amorphous phase compression appearance-stretched center structure (amorphous compressed skins-
Tensioned core structure) it is this vibrating diaphragm.Referring to Fig. 4, amorphous phase compresses appearance-stretched center structure 400
One embodiment includes surface area 410, upper transitional region 420, central area 430, lower transitional region 440 and lower surface
Region 450.Each layer includes substantially the same hard homogeneous amorphous material (hard homogeneous amorphous
Material), but internal stress because surface area 410, upper transitional region 420, central area 430, lower transitional region 440 and
Guest ions (guest ion) Density Distribution in lower surface area 450 and change, this internal stress extends to by surface
Under depth and change, when untreated glass piece is immersed in high-temperature molten salt bath, because chemical ion exchange create compression
Stressor layers 410 and 450, and corresponding excessive layer 420 and 440, and the stress at center 430 is compensated, form amorphous phase compression
Appearance-stretched center structure 400.In a preferred embodiment, printing opacity rigid, hard vibrating diaphragm 100 surpasses in the penetrance of UV-A frequency ranges
50% is crossed, young's modulus value (Young's modulus value) is more than 50GPa, and Moh's scale number is more than 5.0.
A kind of as shown in figure 5, shaking assembly provided for an alternative embodiment of the invention.In this embodiment, it is described
Elastic membrane can use one between sounding coil 103 and printing opacity rigid, hard vibrating diaphragm 100 and can pass through photo-hardening adhesive agent
104 and the elastic membrane 30 made with material that sounding coil 103 well binds.Meanwhile printing opacity rigid, hard vibrating diaphragm 100 stills need
For printing opacity hard vibrating diaphragm, to be used cooperatively with photo-hardening adhesive agent 104.
A kind of as shown in fig. 6, shaking assembly of another embodiment offer for the present invention.In this embodiment, it is described
Elastic membrane can use an elastic membrane 40 positioned at printing opacity rigid, hard vibrating diaphragm 100 relative to the opposite side of sounding coil 103.Elasticity
Film 40 is ring-type.In other words, elastic membrane 40 has a hollow interior portion and part covers printing opacity rigid, hard vibrating diaphragm 100, such as
This can mitigate quality.
As shown in Fig. 7 A-7E, for the shaking assembly of some other embodiment offer of the present invention.These embodiments further add
The rigidity of strong printing opacity rigid, hard vibrating diaphragm.In the embodiment shown in Fig. 7 A, the printing opacity rigid, hard vibrating diaphragm is bowl-type glass
Piece 50.To avoid vibrating diaphragm from touching or hit when shaking, the opening position of the bottom of bowl of printing opacity rigid, hard vibrating diaphragm 50 is corresponded in upper plate 52
There are a breach or hole 51.In the embodiment shown in Fig. 7 B, the printing opacity rigid, hard vibrating diaphragm is dome sheet glass 53.In Fig. 7 C
In shown embodiment, printing opacity rigid, hard vibrating diaphragm 54 has a reclinate main body 541, and a flat flange 542,
Contribute to the bonding with sounding coil 103.In the embodiment shown in Fig. 7 D, printing opacity rigid, hard vibrating diaphragm 55 has one to be bent up
Bent main body 551, and a flat flange 552, contribute to the bonding with sounding coil 103.In the embodiment shown in Fig. 7 E
In, printing opacity rigid, hard vibrating diaphragm 56 has a somewhat downwardly flexed interior section 561, and one to be bent downwardly amplitude larger
Peripheral part 562, the bending amplitude of peripheral part 562 are more than the bending amplitude of interior section 561, this being turned under by a relatively large margin
Curved shape does not have a significant effect for overall loudspeaker thickness, because it is position in the outside of magnet pot 21.Likewise, if
Necessity reduces overall loudspeaker thickness, and breach or hole can be provided in any of the above described printing opacity rigid, hard vibrating diaphragm.
Although it is preferred that make printing opacity rigid, hard vibrating diaphragm and sounding coil overlapping, such as this case Shen using photo-hardening adhesive agent
Ask someone printing opacity rigid, hard vibrating diaphragm proposed in U.S. Patent Application No. 15/673,554 can also stick together with other kenels
Agent is used in combination.In these embodiments, an auxiliary layer can be additionally provided in shaking assembly, to promote the shaking assembly certain
A little physical properties.For example, as shown in Fig. 8 A~8D, auxiliary layer 60 can be an aluminium foil, a deposited metal layer or a graphite flake, and its is good
Place is to can be used as heat transfer piece hot caused by sounding coil 103, and with the special-effect of amendment acoustics efficiency.Auxiliary layer 60
A variety of diverse locations can be arranged in, depending on practical application and demand.The position that Fig. 8 A illustrate auxiliary layer 60 shakes in rigid, hard
Between film 100 and sounding coil 103；Fig. 8 B illustrate the position of auxiliary layer 60 rigid, hard vibrating diaphragm 100 and elastic membrane 101 it
Between；Fig. 8 C illustrate the position of auxiliary layer 60 between elastic membrane 40 and rigid, hard vibrating diaphragm 100；Fig. 8 D illustrate auxiliary layer 60 with just
Property hard vibrating diaphragm 100 be located at the opposite sides of elastic membrane 101.In these embodiments by taking a flat rigid, hard vibrating diaphragm as an example
To illustrate the configuration of auxiliary layer 60.Herein it is noted that the auxiliary layer 60 of other constructions as described above can also be used for reaching
Into the purpose of the present invention.
Various shaking assemblies provided in above-described embodiment can be used to raise together with the female design of a variety of different kenels
In sound device.In the loudspeaker 2 shown in Fig. 9 A, a ringshaped magnet 70 on the outside of sounding coil 103 is used.Ringshaped magnet 70
Covered by a ring-type upper plate 71, and in a T-shaped yoke (T-yoke) 72, it has a jut 721, positioned at hollow sound
In coil 103, and surrounded by a framework 73.Magnet 70, upper plate 71, the configuration mode of T-shaped yoke 72 are not only for fixation
The position of magnet 70, also play the part of the effect of the magnetic line of force of distribution magnet 70, so that sounding coil 103 interacts work between the magnetic line of force
With being optimal.
In the embodiment of the loudspeaker 3 shown in Fig. 9 B, include the dish-like ring magnet 761 of magnet 762 and one using one
Magnet circuit unit.The magnet circuit unit can be with a ring-like upper plate 771, a dish-like 772 and one dish-like bottom plate 78 of upper plate
Formed, wherein ring magnet 761 is seated between ring-like upper plate 771 and bottom plate 78, and dish-like magnet 762 is seated upper plate 772
Between bottom plate 78.In the magnetic gaps that sounding coil 103 is formed between ring-like upper plate 771 and dish-like upper plate 772.This magnet
The configuration of circuit, which can provide, configures higher magnetomotive than the simple magnets circuit shown in Fig. 3 and 9A.
In the embodiment of the loudspeaker 4 shown in Fig. 9 C, magnet 80 is a ringshaped magnet, positioned at the inner side of sounding coil 103.
The shape of upper plate 81 is similar with the annulus profile of magnet 80.Magnet 80 is seated in a magnet pot 82, magnet pot 82 have one with
The hole 820 of the hollow space of magnet 80 alignment.Such a construction can reduce the weight of loudspeaker assembly, and provide back of the body air-flow (back
Air-flow outlet).
In the embodiment of the loudspeaker 5 shown in Fig. 9 D, multiple magnet 83 are used.Magnet 83 is respectively positioned on a steel yoke 84
Annular ditch groove 821 in, as sounding coil 103.
In summary.Present invention in shaking assembly by using hard loudspeaker to radiate vibrating diaphragm, especially
It is printing opacity hard loudspeaker radiation vibrating diaphragm, may be such that the set efficiency of sounding coil more preferably, such as use photo-hardening adhesive agent.
It is worth noting that, rigid, hard vibrating diaphragm, elastic membrane, magnet, upper plate, magnetic used in present invention
Shape, material, the various modifications and alternate embodiment of position of iron pan, although illustrating in different embodiments respectively, also may be used
It is combined by those skilled in the art, to reach the purpose of the present invention.
In several embodiments provided herein, it should be understood that arrive, disclosed system, device and/or method,
It can realize by another way.For example, device embodiment described above is only schematical, for example, the list
The division of member, only a kind of division of logic function can have an other dividing mode when actually realizing, for example, multichannel unit or
Component can combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, show
Show or the mutual coupling discussed or direct-coupling or communication connection can be by some interfaces, between device or unit
Coupling or communication connection are connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multichannel
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (16)
1. a kind of shaking assembly, in a loudspeaker, it is characterised in that the shaking assembly includes：
One support member；
One vibrating diaphragm, respond a driving force and shake and transmit vibrations to carry out acoustic radiating；
One elastic membrane, there is the Part I that be connected with the vibrating diaphragm, it can shake with the vibrating diaphragm, and have with it is described
The Part II of support member connection, to position the vibrating diaphragm；And
One sounding coil, when an alternating current is flowed through in the sounding coil, and the magnetic line of force as caused by a magnet pass through it is described
During sounding coil, reciprocation therein can provide the driving force needed for the vibrations；
Wherein, the vibrating diaphragm is a kind of printing opacity rigid, hard vibrating diaphragm, and makes the printing opacity rigidly hard using a photo-hardening adhesive agent
Matter vibrating diaphragm is connected with the sounding coil, and the UV-A penetrances of the printing opacity rigid, hard vibrating diaphragm are enough to stick the photo-hardening
Agent hardening, its young's modulus value is more than 50GPa, and Moh's scale number is more than 5.0.
2. shaking assembly as claimed in claim 1, it is characterised in that the support member in the loudspeaker to house institute
State the framework of shaking assembly.
3. shaking assembly as claimed in claim 1, it is characterised in that the printing opacity rigid, hard vibrating diaphragm is by a homogeneous amorphous phase
Made by material.
4. shaking assembly as claimed in claim 1, it is characterised in that the printing opacity rigid, hard vibrating diaphragm is a sheet glass.
5. shaking assembly as claimed in claim 1, it is characterised in that the printing opacity rigid, hard vibrating diaphragm is a flat sheet
Thing, a bowl-type tablet or a dome type tablet, or the interior section for being bent downwardly or being bent upwards including one, and
The one flat peripheral part being connected with the sounding coil.
6. shaking assembly as claimed in claim 1, it is characterised in that the construction of the printing opacity rigid, hard vibrating diaphragm includes one slightly
Micro- reclinate interior section, and one be bent downwardly the larger peripheral part of amplitude, the peripheral part is raised positioned at described
The outside of one magnet circuit unit of sound device, wherein the magnet circuit unit includes described magnet.
7. shaking assembly as claimed in claim 1, it is characterised in that the elastic membrane is with the sounding coil positioned at described
The opposite sides of light rigid, hard vibrating diaphragm.
8. shaking assembly as claimed in claim 1, it is characterised in that the printing opacity rigid, hard vibrating diaphragm and the sounding coil
Positioned at the opposite sides of the elastic membrane.
9. shaking assembly as claimed in claim 1, it is characterised in that the whole printing opacity rigid, hard vibrating diaphragm and the elasticity
The Part I of film is overlapping, or the Part I of the elastic membrane is annular so that the printing opacity rigid, hard vibrating diaphragm has portion
Divide and do not covered by the Part I of the elastic membrane.
10. shaking assembly as claimed in claim 1, it is characterised in that the shaking assembly further includes an auxiliary layer, and described
Printing opacity rigid, hard vibrating diaphragm or the elastic membrane or both are connected, to strengthen heat sinking function or improve acoustics efficiency.
11. shaking assembly as claimed in claim 10, it is characterised in that the auxiliary layer is an aluminium foil, a deposited metal layer
An or graphite flake.
A kind of 12. loudspeaker of acoustic radiating, it is characterised in that including：
One framework；
One magnet circuit unit, to turn on the magnetic line of force；
One magnet pot, to store the magnet circuit unit, and it is placed in the framework；And
One shaking assembly, it is placed in the framework, and including：
One vibrating diaphragm, shaken in response to a driving force and transmit vibrations to carry out acoustic radiating；
One elastic membrane, there is the Part I that be connected with the vibrating diaphragm, its construction can shake with the vibrating diaphragm, and have with
The Part II of the framework inner surface connection, to position the vibrating diaphragm；And
One sounding coil, when an alternating current is flowed through in the sounding coil, and the magnetic line of force as caused by a magnet pass through it is described
During sounding coil, reciprocation therein can provide the driving force needed for the vibrations；
Wherein, the vibrating diaphragm is a kind of printing opacity rigid, hard vibrating diaphragm, and makes the printing opacity rigidly hard using a photo-hardening adhesive agent
Matter vibrating diaphragm is connected with the sounding coil.
13. loudspeaker as claimed in claim 12, it is characterised in that the magnet circuit unit is located at the sounding including one
The magnet of coil hollow centre.
14. loudspeaker as claimed in claim 12, it is characterised in that the magnet circuit unit is located at the sounding including one
Magnet outside coil.
15. loudspeaker as claimed in claim 12, it is characterised in that the magnet circuit unit includes multiple magnet, with institute
Sounding coil is stated together to be located in an annular ditch groove of the magnet pot.
16. loudspeaker as claimed in claim 12, it is characterised in that the UV-A penetrances foot of the printing opacity rigid, hard vibrating diaphragm
So that the photo-hardening adhesive agent hardening, its young's modulus value is more than 50GPa, and Moh's scale number is more than 5.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042938.XA CN107889034A (en) | 2017-10-30 | 2017-10-30 | Loudspeaker and the shaking assembly suitable for loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042938.XA CN107889034A (en) | 2017-10-30 | 2017-10-30 | Loudspeaker and the shaking assembly suitable for loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107889034A true CN107889034A (en) | 2018-04-06 |
Family
ID=61782959
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711042938.XA Pending CN107889034A (en) | 2017-10-30 | 2017-10-30 | Loudspeaker and the shaking assembly suitable for loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107889034A (en) |
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