CN201608883U

CN201608883U - Multifunctional miniature loudspeaker

Info

Publication number: CN201608883U
Application number: CN2010201072061U
Authority: CN
Inventors: 权哲荣; 李相镐; 张弘圭
Original assignee: BSE Co Ltd
Current assignee: Dongguan Baoxing Electronics Co. Ltd; Rongcheng Baoxing Electronic Co. Ltd; BSE Co Ltd
Priority date: 2009-08-20
Filing date: 2010-01-19
Publication date: 2010-10-13
Anticipated expiration: 2020-01-19
Also published as: CN101998211B; TWM385175U; KR20110001968U; CN101998211A; WO2011021745A1; TW201108758A

Abstract

The utility model provides a multifunctional miniature loudspeaker. The multifunctional miniature loudspeaker comprises a framework, a diaphragm, a voice coil, a first suspension bracket, a magnetic yoke, a first permanent magnet and a flat plate, wherein the periphery of one outer side of the diaphragm is fixed on the framework; the voice coil is fixed on the bottom surface of the diaphragm; the periphery of one outer side of the first suspension bracket is fixed on the framework, and the first suspension bracket adopts the shape of a flat plate and is elastic; the magnetic yoke is fixed on the first suspension bracket; the first permanent magnet is fixed on the internal bottom surface of the magnetic yoke; and the flat plate is fixed on the upper surface of the first permanent magnet. Besides, a hub part protruding upwards is arranged at the central part of the first suspension bracket, and is coupled with a receiving groove formed on the magnetic yoke for the hub part on the first suspension bracket to be defined in the magnetic yoke.

Description

Multifunctional micro speaker

Technical field

The utility model is about a kind of multifunctional micro speaker, and more particularly, about a kind of multifunctional micro speaker, it can improve the combination accuracy between yoke, magnet and the flat board that constitutes its magnetic circuits.

Background technology

In general, loudspeaker become the equipment of voice signal for the conversion electric signal.Microspeaker is a compact horn, is mainly used in the portable type audio unit, for example mobile phone, mobile computer, MP3 player, earphone etc.

In recent years electronic product adopts this Microspeaker person, mobile communication terminal for example, and mobile phone for example, it comprises the device that is used to produce vibration signal.This vibration signal can be used as a kind of signal, replaces to arrive signal sound, or confirm the signal of input state in the Touch Screen method, wherein imports data and directly imports on screen.

One of the purpose of this utility model provides a kind of multifunctional micro speaker, represent a kind of have be used to the loudspeaker that produce the additional functionality of vibration signal and be used for sonorific basic function.This multifunctional micro speaker can have multiple title, for example multifunctional actuator or multifunction electronic sound transducer.

A kind of typical multifunctional micro speaker has a kind of structure, and wherein the vibrator that is supported by the blade type spring resonates and produces vibration.At typical multifunctional micro speaker, sound coil is arranged on the barrier film that is referred to as collecting board towards magnetic circuits.Herein, when the electric current of voice signal is applied to this sound coil, promptly can output sound.On the other hand, when the electric current of vibration signal is applied to this sound coil, promptly produce vibration.

This typical multifunctional micro speaker is done explanation with reference to Fig. 1.Typical multifunctional micro speaker 100 comprises shell 110, is used for sonorific barrier film 101, sound coil 102, permanent magnet 104, and it is provided with the N utmost point respect to one another and the S utmost point, flat board 103, yoke 105, top suspension 107 and below suspension 108.Electric current is via lead a 114 and lead b 115 and put on sound coil 102.

The lower surface of barrier film 101 is fixed in the upper end of sound coil 102.This sound coil twines in vertical direction.Dull and stereotyped 103 are fixed in the upper surface of permanent magnet 104.Permanent magnet 104 cooperates flat board 103 and yoke 105 construction magnetic circuits, and while permanent magnet 104 construction vibrators.This vibrator can optionally comprise weights.This vibrator is done resiliency supported by top suspension 107 and below suspension 108.

The running of multifunctional micro speaker 100 below will be described.When the electric current that is fit to sound is applied to sound coil 102 via lead a 114 and lead b 115, on sound coil 102, produce electromagnetic force.Therefore, barrier film 101 promptly vibrates and output sound.

That is to say, the N utmost point of magnetic line of force guiding permanent magnet 104 in regular turn via dull and stereotyped 103, sound coil 102 and yoke 105 towards the S of permanent magnet 104 utmost point, to form magnetic field.At this moment, when producing this electromagnetic force on sound coil 102, the electromagnetic force of sound coil 102 is carried out interaction with the magnetic flux that is produced by this magnetic circuits.Therefore, barrier film 101 vibration of being fixed in sound coil 104 is used as the loudspeaker output sound.

When the electric current that is suitable for vibrating (in general for low-frequency current) when being applied to sound coil 102, comprise permanent magnet 104, dull and stereotyped 103 and the vibrator of yoke 105 be vertical moving and produce vibration.

According to this typical multifunctional micro speaker,, the assembly that constitutes this magnetic circuits must when combination the time, accurately be arranged on the position of being wanted because, constituting these assemblies of this magnetic circuits as this vibrator.

That is to say that sound coil 102 must vibrate, and it is arranged within the magnetic gap in space between conduct dull and stereotyped 103 and the yoke 105.Simultaneously, this vibrator must vibrate, and can in fact not touch this sound coil.Therefore, yoke 105, permanent magnet 104 and dull and stereotyped 103 must accurately coupled to each other reaching be fixed in the position of being wanted.

But, in typical multifunctional micro speaker, because permanent magnet 104 is fixed in the flat board 103 in the yoke 105 via the splice program that uses anchor clamps, so be difficult to reach the precision optical machinery coupling.

The utility model content

Therefore, the utility model is about a kind of multifunctional micro speaker, and it can alleviate in fact because the restriction of correlation technique and one or more problems that shortcoming causes.

The utility model purpose is done improvement for a kind of multifunctional micro speaker being provided, wherein being suspended on the configuration, use accurately and the assembly of formation vibrator mechanically coupled to each other.

Additional advantage of the present utility model, purpose and feature will partly propose in the following description, and other partly can be understood more after inspecting following content for the present technique professional person or can be by learning in the middle of the enforcement of the present utility model.These purposes of the present utility model and other advantage can be by explanation that is disclosed and claims thereof, and attached graphic in the specific structure that indicates of institute understand and acquisition.

In order to reach these purposes and other advantage, and according to the purpose of this utility model, so the place is concrete implements and the generalized description person, and a kind of multifunctional micro speaker is provided, and it comprises: framework; Barrier film, wherein the one outer periphery is fixed in this framework; Sound coil, it is fixed in the lower surface of this barrier film; First suspension, wherein the one outer periphery is fixed in this framework, and this first suspension has writing board shape and elasticity; Yoke, it is fixed in this first suspension; First permanent magnet, it is fixed in the inside bottom surface of this yoke; And dull and stereotyped, the upper surface that it is fixed in this first permanent magnet, the hub part that wherein projects upwards is set at the central portion place of this first suspension, and the yoke receiving slit that is coupled in this hub part of this first suspension is defined in this yoke.

The hub part of this first suspension can pass through this yoke receiving slit, and the permanent magnet receiving slit that is coupled in the hub part of this first suspension by this yoke receiving slit can be defined in this permanent magnet.

The hub part of this first suspension can pass through this permanent magnet receiving slit, and the dull and stereotyped receiving slit that is coupled in the hub part of this first suspension by this permanent magnet receiving slit can be defined in this flat board.

At least partly the bent bending part that forms of the upper end of the hub part of this first suspension.

This first suspension can be formed by metal material, and this hub part can be cylindrically, and it has hollow interior space.

This multifunctional micro speaker can comprise in addition: second suspension, wherein the one outer periphery is fixed in this framework, this second suspension downwards and this first suspension separate, and have elasticity; And second magnet, it is fixed in this second suspension, and this second magnet separates mutually with this first suspension and this yoke, and is fixed thereon.

The second outstanding downwards suspension hub part can be arranged on the central portion place of this second suspension, and this second magnet can be arranged under this second suspension, and the second magnet receiving slit that is coupled in this second suspension hub part can be defined in this second magnet.

The second suspension hub part that projects upwards can be arranged on the central portion place of this second suspension, and this second magnet can be arranged under this second suspension, and the second magnet receiving slit definable that is coupled in this second suspension hub part is in this second magnet.

Can recognize aforementioned is exemplary and illustrative for general remark of the present utility model and following detailed description, and the further explanation as the utility model of being advocated will be provided.

Description of drawings

Accompanying drawing comprises to provide for the utility model further to be understood, and is used to add and constitute the part of the application's case, and accompanying drawing is the illustration specific embodiment of the utility model, cooperates its explanation to can be used for explaining principle of the present utility model.The drawing of these accompanying drawings is described as follows:

Fig. 1 is the constructed profile of a typical multifunctional micro speaker;

Fig. 2 is the constructed profile according to the multifunctional micro speaker of the utility model one specific embodiment;

Fig. 3 to Fig. 6 is the constructed profile of the correction example of suspension in the multifunctional micro speaker shown in Figure 2, yoke, permanent magnet and flat board; And

Fig. 7 is the constructed profile according to the multifunctional micro speaker of another specific embodiment of the utility model.

Embodiment

To carry out detailed reference to preferred embodiment of the present utility model now, its example all is illustrated in the accompanying drawing.

Multifunctional micro speaker according to a specific embodiment elaborates to Fig. 4 with reference to Fig. 2.

Fig. 2 is the constructed profile according to the multifunctional micro speaker of the utility model one specific embodiment.Shown in Figure 3 only is first suspension, yoke, first permanent magnet and the dull and stereotyped profile of Fig. 2.

Multifunctional micro speaker 1 according to a specific embodiment is mainly used in undersized device, for example mobile communication terminal and portable type multimedia player (PMP, Portable multimedia player).Multifunctional micro speaker 1 has the sound generating function, together with the vibration generation function of a signal.

Multifunctional micro speaker 1 comprises framework 10, barrier film 20, sound coil 30, first suspension 40, yoke 50, first permanent magnet 60, dull and stereotyped 70, second suspension 80 and second magnet 90.

Framework 10 is formed by general plastic material, and defines the outward appearance of these loudspeaker.A plurality of assemblies are fixed in the inboard of framework 10.Framework 10 comprises upper frame 12 and underframe 14.Lid member 14 is coupled in the upper portion of upper frame 12.In this specific embodiment, generally speaking framework 10 is a cylindrical shape.In another specific embodiment, framework 10 can have rectangle, circle or orbit-shaped in addition.Therefore, these intrawares can suitably be revised according to their shape.

The outer periphery of barrier film 20 is fixed in the upper portion of upper frame 12.Barrier film 20 has circle, and is formed by polymer.Barrier film 20 vertically moves, can be by the acoustic pressure that the people was heard of normal hearing to produce.

Barrier film 20 according to this specific embodiment is distinguished the inside portion, and it inwardly is provided with respect to a boundary portion, is coupled in the upper end of sound coil 30 at this barrier film 20, and the outside portion, and it outwards is provided with respect to this boundary portion.This inside portion and this outside portion have cheese respectively, and this boundary portion is a planar-shaped.This outside portion is referred to as the edge.Barrier film 20 can have multiple variation on configuration, material and thickness.

Sound coil 30 is fixed in the lower surface of barrier film 20.The lower surface of this boundary portion is fixed in the upper end of sound coil 30.Lead upwards twines to form sound coil 30.Sound coil 30 is electrically connected in the terminal (not shown) that is arranged on the framework 10.Sound coil 30 via this terminal from outside received current.

The following quadrate part of sound coil 30 is arranged in the space that is perpendicular to one another between first permanent magnet 60, flat board 70 and the yoke 50 that is coupled.This space is referred to as the magnetic gap.When the high-frequency current of voice signal was applied in sound coil 30, this sound coil was by interactive and vertically mobile with the magnetic field that is produced by first permanent magnet 60.Therefore, the barrier film 20 that is coupled in sound coil 30 promptly can vibrate and produce sound.

First suspension 40 comprises hub part 42.

First suspension 40 has elasticity, and the one outer periphery is fixed in framework 10.This suspension can be described as elastic component, spring or blade type spring.Elasticity is defined as main body will return to its original-shape after its volume and shape are changed by an external force tendency.This elasticity is divided into the volume elasticity and the elasticity of shape.In this specific embodiment, first suspension 40 is about this elasticity of shape.

In this specific embodiment, first suspension 40 is an even shape, and more particularly, it has the plate shape corresponding to framework 10.First suspension 40 can comprise by the formed metallic plate of phosphor bronze (phosphorous bronze).In addition, first suspension 40 can be formed by elastomer.Yoke 50 is fixed in the pars intermedia of first suspension 40.

Hub part 42 projects upwards from the central portion of first suspension 40.In this specific embodiment, because suspension 40 comprises this metallic plate, hub part 42 can use the metal that comprises the punching press program to process easily and make.

In this specific embodiment, hub part 42 has hollow cylindrical.That is to say that hub part 42 its sections are circular.In addition, hub part 42 can be the cylindricality with multiple shape, and for example section is triangle, rectangle, pentagon and circle.The inboard of hub part 42 is hollow or fills up.Simultaneously, when first suspension 40 is formed by the elastomer beyond the metal, hub part 42 can have and suspension 40 identical materials.

The height of hub part 42 is corresponding to the thickness of the receiving slit of yoke 50.In this specific embodiment, the thickness of hub part 42 is lower than the thickness of yoke 50 slightly.

Yoke 50 is fixed in the upper surface of first suspension 40.Yoke 50 has around the flat bottom 54 of the outer periphery of bottom 54 and wall portion 56, and vertically is provided with.The bottom 54 of yoke 50 is coupled in first permanent magnet 60.

Be coupled in the hub part 42 of first suspension 40 and be arranged in the central portion of bottom 54 that yoke receiving slit 52 under the yoke 50 is arranged on yoke 50.The shape of yoke receiving slit 52 makes yoke receiving slit 52 be coupled in hub part 42 corresponding to the shape of hub part 42.

In this specific embodiment, cylindrical because hub part 42 has, yoke receiving slit 52 has cylindrical corresponding to hub part 42.The diameter of yoke receiving slit 52 makes hub part 42 promptly install also and is coupled in yoke receiving slit 52 regularly, and do not need to use independent adhesive agent slightly greater than the outer dia of hub part 42.Because hub part 42 only is coupled in yoke receiving slit 52, the yoke 50 and first suspension 40 can be in that the position be coupled to each other accurately.In addition, this adhesive agent can be used between hub part 42 and the yoke receiving slit 52.

First permanent magnet 60 is fixed in the inside bottom surface of yoke 50.First permanent magnet 60 uses this adhesive agent coupling and is fixed in the bottom 54 of yoke 50, makes the permanent magnet 60 of winning be setting with one heart with respect to yoke 50.First permanent magnet 60 has the circular plate shape corresponding to yoke 50.

Dull and stereotyped 70 are fixed in the upper surface of first permanent magnet 60.Dull and stereotyped 70 are formed by a kind of material, and magnetic force can pass through well by this, and have the diameter roughly the same with first permanent magnet 60.

First permanent magnet 60 and dull and stereotyped 70 separates mutually with the wall portion 56 of yoke 50.One space definition is between the inner surface of the wall portion 56 of the outer surface of first permanent magnet 60 and dull and stereotyped 70 and yoke 50, and it toward each other.The following quadrate part of sound coil 30 is arranged in this space.

First permanent magnet 60, flat board 70 and yoke 50 constitute these loudspeaker magnetic circuits.That is to say that the magnetic flux that is produced by first permanent magnet 60 forms magnetic flux path, it is directed at yoke 50 via dull and stereotyped 70.

In this specific embodiment, multifunctional micro speaker 1 comprises second suspension 80 and second magnet 90 in addition.

Second suspension 80 separates downwards mutually with first suspension 40.The outer periphery of second suspension 80 is fixed in framework 10, and is formed by the rubber-like material.

In this specific embodiment, second suspension 80 has shape and the material identical with first suspension 40.In addition, first suspension 40 can have different materials and shape each other with second suspension 80.For example, first suspension 40 and second suspension 80 can according to they resonance frequency, displacement and vibration force and multiple variation is arranged on shape and material.

Second magnet 90 is fixed in the lower surface of the lower side of second suspension 80.Therefore, second magnet 90 separates mutually with first suspension 40 and yoke 50.On the S utmost point of second magnet 90 and the N utmost point its upper side and lower side in vertical direction, vice versa.Simultaneously, second magnet 90 can comprise permanent magnet or electromagnet.

Second magnet 90 and second suspension 80 can be used as the vibrator that is used to produce vibration signal.In multifunctional micro speaker 1, comprise that second magnet 90 separates with the magnetic circuits that comprises first permanent magnet 60 and dull and stereotyped 70 mutually with the vibrator of second suspension 80 according to this specific embodiment.But this magnetic circuits and this vibrator magnetic each other are connected.Therefore, the vibration that is used for sonorific barrier film 20 is moved and the vibration that comprises the vibrator of second magnet 90 and second suspension 80 interference between moving can be minimized.

The running and the effect of multifunctional micro speaker 1 below will be described.

Because multifunctional micro speaker 1 comprises the hub part 42 that is arranged on first suspension 40, and has yoke receiving slit 52, so they can be accurately coupled to each other in the position of wanting corresponding to the shape of hub part 42.

Simultaneously, because first suspension 40 mechanically is coupled in yoke 50, their coupling procedure can be performed, and does not need to carry out splice program or the independent anchor clamps of needs.Therefore, productivity can be improved, manufacturing cost can be reduced simultaneously.

Though this second suspension and this second magnet are provided in this specific embodiment, and the utility model is not limited to this.That is to say that this multifunctional micro speaker comprises suspension and permanent magnet, so it may be used on the coupling between this suspension and this permanent magnet.

Shown in Figure 4 only is suspension, yoke, permanent magnet and dull and stereotyped profile, and it is coupled to each other in the multifunctional micro speaker according to another specific embodiment of the utility model.

In this specific embodiment, yoke receiving slit 52 upwards passes through the hub part 42 of first suspension 40.Permanent magnet receiving slit 62 by yoke receiving slit 52 with the hub part 42 of first suspension 40 of its coupling is defined in the permanent magnet 60.

That is to say that the hub part 42 of first suspension 40 passes through the yoke receiving slit 52 of a yoke 50, and is coupled in the permanent magnet receiving slit 62 of permanent magnet 60.Dull and stereotyped 70 are coupled in the upper surface of permanent magnet 60.

In this specific embodiment, first suspension 40, yoke 50 and permanent magnet 60 can be accurately coupled to each other by the hub part 42 of first suspension 40.Simultaneously, all advantages of aforesaid specific embodiment can suitably be revised, and therefore can be applicable to this specific embodiment.

Shown in Figure 5 only is suspension, yoke, permanent magnet and dull and stereotyped profile, and it is coupled to each other in the multifunctional micro speaker according to another specific embodiment of the utility model.

In this specific embodiment, upwards by the hub part 42 of first suspension 40, the permanent magnet receiving slit 62 of permanent magnet 60 is by the hub part 42 of first suspension 40 simultaneously for yoke receiving slit 52.

The hub part 42 of first suspension 40 is defined in dull and stereotyped 70 by the dull and stereotyped receiving slit 72 of permanent magnet receiving slit 62.Dull and stereotyped receiving slit 72 can have the cylindrical shape by hub part 42, or has the groove shape of desired depth, feasible some and its coupling that the upper end of hub part 42 is only arranged, and can not pass through hub part 42.

The hub part 42 of first suspension 40 passes through the yoke receiving slit 52 of yoke 50 and the permanent magnet receiving slit 62 of permanent magnet 60, and is coupled in dull and stereotyped 70 dull and stereotyped receiving slit 72.

Hub part 42 can have upper side open or that add a cover.Simultaneously, first suspension 40 that is arranged under the hub part 52 can have side open or that add a cover.

According to this specific embodiment, first suspension 40, yoke 50, permanent magnet 60 and this flat board can be accurately coupled to each other by the hub part 42 of first suspension 40, and do not need to carry out splice program or the independent anchor clamps of needs.Simultaneously, the advantage of all aforementioned specific embodiments can suitably be revised, and therefore can be applicable to this specific embodiment.

Figure 6 shows that the correction example of upper end of the hub part of Fig. 5.

Bending part 44 is arranged on the upper end of the hub part 42 of first suspension 40.In this specific embodiment, the upper periphery of hub part 42 is formed bending part 44 by whole bending.In addition, only there is the some of the upper periphery of hub part 42 to be bent.

Because bending part 44 is arranged on the upper end of hub part 42, first suspension 40, yoke 50, permanent magnet 60 and dull and stereotyped 70 are pushed each other, and therefore can be coupled except the advantage of aforementioned specific embodiment fixed to one anotherly.

For example, have that this columniform hub part 42 is installed in this yoke and by after wherein, the upper end of permanent magnet 60 and flat board 70 and hub part 42 can outwards bend the upper surface in the position of the upper surface that is higher than flat board 70 contact dull and stereotyped 70, form bending part 44 by this, it is arranged on the upper end of hub part 42.The upper end of hub part 42 can be bent, and to form bending part 44, makes yoke 50, permanent magnet 60 and dull and stereotyped 70 be coupled fixed to one anotherly.

All or at least one can be sealing or open in the top and bottom of hub part 42.

This specific embodiment is different from Fig. 2, only because the hub part 42 (as shown in Figure 6) of first suspension 40 passes through yoke 50, permanent magnet 60 and flat board 70, and locates to comprise bending part 44 in the top, and hub part 82 is arranged on second suspension, 80 places simultaneously.

The outstanding second suspension hub part 82 is arranged on the central portion place of second suspension 80 downwards.Second magnet 90 is arranged under second suspension 80.The second magnet receiving slit 92 that the second suspension hub part 82 is coupled to is defined in second magnet 90.One folding part 84 is arranged on the lower end of the second suspension hub part 82.

Because the second suspension hub part 82 is arranged on second suspension, 80 places, and the second magnet receiving slit 92 is defined in second magnet 90, so they can be accurately coupled to each other.

In addition, second magnet 90 can be arranged on second suspension 80.In this example, the second suspension hub part 82 can project upwards.

In according to multifunctional micro speaker of the present utility model, this suspension can accurately reach mechanically coupled to each other with these assemblies that constitute this magnetic circuits part.

Simultaneously, this suspension can be via the coupling apace each other of simple program with these assemblies that constitute this magnetic circuits part.

Present technique professional person can recognize in the utility model can carry out multiple correction and variation.Therefore, the utility model is contained for correction and the variation of the utility model within appended claim and equal category thereof.

The primary clustering symbol description is as follows:

1 multifunctional micro speaker

10 frameworks

12 upper frames

14 underframes

20 barrier films

30 sound coils

40 first suspensions

42 hub parts

44 bending parts

50 yokes

52 yoke receiving slits

54 bottoms

56 wall portions

60 first permanent magnets

62 permanent magnet receiving slits

70 flat boards

72 dull and stereotyped receiving slits

80 second suspensions

82 give prominence to the second suspension hub part downwards

84 bending parts

90 second magnet

92 second magnet receiving slits

100 multifunctional micro speakers

101 barrier films

102 sound coils

103 flat boards

104 permanent magnets

105 yokes

107 top suspensions

108 below suspensions

110 shells

114 lead a

115 lead b

Claims

1. a multifunctional micro speaker is characterized in that, comprises:

Framework;

Barrier film, wherein the one outer periphery is fixed in this framework;

Sound coil, it is fixed in the lower surface of this barrier film;

First suspension, wherein the one outer periphery is fixed in this framework, and this first suspension has writing board shape and elasticity;

Yoke, it is fixed in this first suspension;

First permanent magnet, it is fixed in the inside bottom surface of this yoke; And

Flat board, it is fixed in the upper surface of this first permanent magnet,

Wherein project upwards the central portion place that the hub part is arranged on this first suspension, and the yoke receiving slit that is coupled in the hub part of this first suspension is defined in this yoke.

2. multifunctional micro speaker as claimed in claim 1, it is characterized in that, the hub part of this first suspension is by this yoke receiving slit, and the permanent magnet receiving slit that is coupled in the hub part of this first suspension by this yoke receiving slit is defined in this permanent magnet.

3. multifunctional micro speaker as claimed in claim 2, it is characterized in that, the hub part of this first suspension is by this permanent magnet receiving slit, and the dull and stereotyped receiving slit that is coupled in the hub part of this first suspension by this permanent magnet receiving slit is defined in this flat board.

4. multifunctional micro speaker as claimed in claim 3 is characterized in that, at least one part of the upper end of the hub part of this first suspension is bent forms the bending part.

5. multifunctional micro speaker as claimed in claim 1 is characterized in that, this first suspension is formed by metal material, and this hub part is cylindrical shape, and it has hollow interior space.

6. multifunctional micro speaker as claimed in claim 1 is characterized in that, also comprises:

Second suspension, wherein the one outer periphery is fixed in this framework, and this second suspension with this first suspension mutually separates downwards, and have elasticity; And

Second magnet, it is fixed in this second suspension, and this second magnet separates mutually and is fixed thereon with this first suspension and this yoke.

7. multifunctional micro speaker as claimed in claim 6, it is characterized in that, the outstanding second suspension hub part is arranged on the central portion place of this second suspension downwards, this second magnet is arranged under this second suspension, and the second magnet receiving slit that is coupled in this second suspension hub part is defined in this second magnet.

8. multifunctional micro speaker as claimed in claim 6, it is characterized in that, project upwards the central portion place that the second suspension hub part is arranged on this second suspension, this second magnet is arranged under this second suspension, and the second magnet receiving slit that is coupled in this second suspension hub part is defined in this second magnet.