CN102273231B - Multifunctional microspeaker - Google Patents
Multifunctional microspeaker Download PDFInfo
- Publication number
- CN102273231B CN102273231B CN201180000125.9A CN201180000125A CN102273231B CN 102273231 B CN102273231 B CN 102273231B CN 201180000125 A CN201180000125 A CN 201180000125A CN 102273231 B CN102273231 B CN 102273231B
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- Prior art keywords
- suspends
- yoke
- micro speaker
- fixed
- function micro
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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
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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
- H04R2400/00—Loudspeakers
- H04R2400/07—Suspension between moving magnetic core and housing
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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
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Abstract
The present invention relates to a multifunctional microspeaker. The multifunctional microspeaker of the present invention comprises: a frame; a diaphragm, the outer perimeter of which is fixed to the frame; a voice coil fixed to the lower surface of the diaphragm; a first suspension which has elasticity, the outer perimeter of which is fixed to the frame, and the center of which has a through-hole; a yoke which is fixed to the first suspension, and which has a bottom surface, a side surface extending upwardly from the edge of the bottom surface, and a bent portion bent outwardly from the top of the side surface; a permanent magnet fixed to the bottom surface of the yoke; a plate fixed to the upper surface of the permanent magnet; and a second suspension which has elasticity, and which is placed below the first suspension with a space therebetween. The yoke is inserted into the through-hole, the bent portion is fixed to the first suspension, and the bottom surface of the yoke is coupled to the second suspension.
Description
Technical field
The present invention relates to multi-function micro speaker; more specifically; relate to such multi-function micro speaker that improves structure: by improving the assembleability as the part that suspends that forms the component parts of multi-function micro speaker, yoke, weight member etc.; various component parts are stacked gradually in outboard cover; and after stacked component parts; the upper end of outboard cover is curling and assemble; thereby assembling procedure can be simplified; improve productivity, and protection structure parts and improve durability in externally impacting.
Background technology
Conventionally, loud speaker is the device that converts electrical signals to voice signal.Microspeaker is the miniature loudspeaker being mainly used in the portable audio devices that demand significantly increases in recent years such as audio frequency apparatus such as mobile phone that size is little, notebook computer, MP3 player, earphone.
But the mobile communication terminal major part that possesses the electronic product in recent years, particularly mobile phone and so on of Microspeaker is configured to the structure for generation of vibration signal.Such vibration signal is used for replacing incoming telephone signal sound or confirms input state in the touch-screen to the direct input message of picture.
Microspeaker according to the present invention is, when possessing the basic function that sound occurs, also to possess the loud speaker for generation of the structure of vibration signal.Microspeaker is called as multifunctional transmission device or multifunction electronic audio converter etc.
Microspeaker in the past obtains the structure of vibration for the vibrating body resonance by making to be supported by disc spring.In so general Microspeaker in the past, there is voice coil loudspeaker voice coil having and be called on the magnetic circuit of a side of oscillating plate of the plate that quivers, output audio when applying voice signal with electric current to this voice coil loudspeaker voice coil produces vibration when applying vibration signal with electric current to this voice coil loudspeaker voice coil on vibrating body.
Fig. 1 represents an example of Microspeaker in the past.With reference to Fig. 1, Microspeaker 100 comprises: framework 110, oscillating plate 101 for sounding, voice coil loudspeaker voice coil 102, the permanent magnet 104, plate 103, the yoke 105, the 1st that with above-below direction, dispose the N utmost point and the S utmost point suspend part 106, the 2nd suspend part 108, upper cap 107, weight member 108.
The upper end of described voice coil loudspeaker voice coil 102 be fixed on oscillating plate 101 below.Voice coil loudspeaker voice coil 102 can be mobile to the direction vertical with the magnetic line of force with electric current mode be wound.Plate 103 be fixed on permanent magnet 104 above, permanent magnet 104 is fixed on the bottom surface of yoke 105, described yoke 105 is fixed on the 1st part 106 that suspends.The 1st suspends part 106 by described framework 110 elastic bearings.Described yoke 105, permanent magnet 104 and plate 103 form the magnetic circuit of loud speaker.
Below, to thering is the as above action of the Microspeaker 100 of structure, describe.
While applying to voice coil loudspeaker voice coil 102 electric current that is suitable for audio frequency, on voice coil loudspeaker voice coil 102, produce electromagnetic force, there is vibration and output audio in oscillating plate 101 thus.
That is the magnetic line of force, sending from the N utmost point of permanent magnet 104 forms the magnetic field towards the S of permanent magnet 104 utmost point by plate 103, voice coil loudspeaker voice coil 102 and yoke 105 successively.Now, while there is electromagnetic force on voice coil loudspeaker voice coil 102, produce and interact with the magnetic flux being produced by magnetic circuit, the oscillating plate 101 that is fixed on voice coil loudspeaker voice coil 102 vibrates, thereby realizes the loudspeaker function of output audio.
In addition, while applying to voice coil loudspeaker voice coil 102 electric current (common low-frequency current) that is suitable for vibration, by the moving up and down of magnetic circuit portion (vibrating body) being formed by yoke 105, permanent magnet 104 and plate 103, produce vibration signal.
Below, the as above assembling process of the Microspeaker 100 of structure is described.
First, framework 110 consists of the bottom frame 111 that forms upper portion side wall framework 112 and the lower sides framework 113 of sidewall and form bottom surface.Bottom frame 111 is bonded on lower sides framework 113, the 2nd peripheral part that suspends part 108 is fixed on described lower sides framework 113.And, described upper portion side wall framework 112 is fixed on to the upside of described lower sides framework 113.Now, between upper portion side wall framework 112 and lower sides framework 113, fix the 1st part 106 that suspends.
Then, on the part 106 that suspends successively in conjunction with and stacked yoke 105, permanent magnet 104, plate 103.Then, at the bonding oscillating plate 101 of upper edge of described upper portion side wall framework 112, bonding on the top of described oscillating plate 101 on side cover 107.Conventionally, between component parts, by bonding agent, carry out combination, between the component parts of metal material, by welding, assemble.
As mentioned above, Microspeaker 100 is in the past in order to carry out a plurality of operations in conjunction with each component parts, therefore very inconvenient.In addition, the difficulty of assembling procedure is large again, need to spend the considerable time, the problem that therefore exists productivity to reduce when assembling.
Particularly, as the mode of assembling component parts, general applicable is between parts adhesive-applying by the mode of its sclerosis, but due to liquid-type bonding agent quantitatively and to adjust to the difficulty of tram larger, therefore on product performance, there is deviation.The problem that can cause in addition, the investment cost increase of mounting equipment in order to solve such problem.
Summary of the invention
The present invention researches and develops in order to address the above problem a little; the object of the present invention is to provide a kind of like this multi-function micro speaker: the component parts that the improves multi-function micro speaker assembleability of part and yoke that particularly suspends; at outboard cover inner stacks component parts and the upper end of outboard cover is curling and assemble to the inside; thereby assembling procedure is simplified, and protection structure parts and improve durability in externally impacting.And, the object of the present invention is to provide a kind ofly in assembling during component parts, save adhesive applicating operation and realize the multi-function micro speaker of environmental protection when reducing expense.
In order to achieve the above object, multi-function micro speaker of the present invention is characterised in that, comprising: framework; Peripheral part is fixed on the oscillating plate on described framework; Be fixed on the voice coil loudspeaker voice coil below of described oscillating plate; The 1st part that suspends, it has elasticity, and is combined with peripheral part on described framework, at central portion, is formed with through hole; Yoke (yoke), it is fixed on the described the 1st and suspends on part, and has bottom surface and the side of extending upward from the edge of described bottom surface and the bending part laterally from the upper end of described side; Be fixed on the permanent magnet of the bottom surface of described yoke; Be fixed on the plate (plate) above of described permanent magnet; And to the described the 1st below partition distance configuration of part that suspends, and there is the flexible the 2nd part that suspends, and wherein said yoke embeds in described through hole, and described bending part is fixed on the described the 1st part that suspends, and the bottom surface of described yoke and the described the 2nd part that suspends is combined.
In addition, preferably, at described the 1st edge that suspends part, be formed with the isolation part towards downside bending.
In addition, preferably, at described the 2nd central portion that suspends part, be formed with the installed surface towards downside bending, so that install in the mode embedding the bottom surface of described yoke.
In addition, preferably, the central portion of described installed surface is connected.
In addition, preferably, at described the 2nd downside that suspends part, be combined with weight member.
In addition, preferably, also have outboard cover, this outboard cover has bottom and side wall portion, and for taking in described framework, the described the 1st part and the described the 2nd part that suspends that suspends.
In addition, preferably, described outboard cover has upper end bending to the inside and curling curled portion.
In addition, preferably, the side wall portion of described outboard cover comprises: the 1st side wall portion with the 1st internal diameter; Be positioned at the upside of described the 1st side wall portion, and there is the 2nd side wall portion of the internal diameter larger than described the 1st internal diameter; And the connecting portion that connects described the 1st side wall portion and described the 2nd side wall portion.
In addition, preferably, have the upper cap that is combined with peripheral part on described oscillating plate, described curled portion is positioned at the upside of described upper cap.
In addition, preferably, on described weight member, be formed with the connection slot in conjunction with described installed surface for the mode to embed.
According to multi-function micro speaker of the present invention, by suspending on part and form through hole the 1st, the 2nd, suspend on part and form installed surface, on yoke, form bending part, thereby improve the assembleability of suspend part and yoke.
In addition, by the mode so that the component parts that forms multi-function micro speaker is accommodated in outboard cover, from the bottom of described outboard cover, stack gradually component parts, and the upper end of described outboard cover is curling and assemble to the inside, therefore can realize its manufacturing process simple and improve productive effect.
In addition, in the operation of assembling component parts, the adhesive applicating operation of in the past using is minimized and reduces operation expense, the characteristic deviation of product is minimized, the multi-function micro speaker of environmental protection can be provided.
In addition, because the various component parts of multi-function micro speaker maintain the state being accommodated in outboard cover, therefore can reach the effect of standing external impact and improving durability.
Accompanying drawing explanation
Fig. 1 is the summary profile of multi-function micro speaker in the past.
Fig. 2 is according to the profile of the multi-function micro speaker of the embodiment of the present invention.
Fig. 3 extracts the wanting portion of Fig. 2 and the separated stereogram that represents.
Fig. 4 extracts the wanting portion of Fig. 2 and the stereogram that represents.
Symbol description
10 frameworks; 14 power supply terminal connecting portions; 15 lead-in wires; 20 oscillating plates; 30 voice coil loudspeaker voice coils; 40 the 1st parts that suspend; 41 isolation parts; 42 through holes; 50 yokes; 51 bottom surfaces; 52 sides; 53 bending parts; 60 permanent magnets; 70 plates; 80 the 2nd parts that suspend; 81 installed surfaces; 82 embedded holes; 90 outboard cover; 91 bottoms; 911 pores; 92 side wall portions; 921 the 1st side wall portions; 922 the 2nd side wall portions; 923 connecting portions; 93 curled portion; 94 opening grooves; 100 weight members; 101 connection slots; 110 upper caps
Embodiment
The multi-function micro speaker of the present embodiment is as the loud speaker being mainly used in the mini-plants such as the mobile communication terminals such as mobile phone or PMP, possess audio frequency generating function and signal vibration generating function simultaneously, particularly improve the Microspeaker of the assembleability while manufacturing.
Below, with reference to Fig. 2 to Fig. 4, describe in detail according to the multi-function micro speaker of one embodiment of the invention.
Fig. 2 is according to the profile of the multi-function micro speaker of the embodiment of the present invention, and Fig. 3 extracts the wanting portion of Fig. 2 and the separated stereogram that represents, and Fig. 4 is extraction the wanting portion of Fig. 2 and the stereogram that represents.
First, with reference to Fig. 2, multi-function micro speaker comprises according to an embodiment of the invention: framework 10; Peripheral part is fixed on the oscillating plate 20 on described framework 10; Be fixed on the voice coil loudspeaker voice coil 30 below of described oscillating plate 20; The 1st part 40 that suspends, it has elasticity, and is combined with peripheral part on described framework 10, at central portion, is formed with through hole 42; Yoke (yoke) 50, it is fixed on the described the 1st and suspends on part 40, and has bottom surface 51 and the side 52 of extending upward from the edge of described bottom surface 51 and from the bending part 53 of the upper end bending laterally of described side 52; Be fixed on the permanent magnet 60 of the bottom surface 51 of described yoke 50; Be fixed on the plate (plate) 70 above of described permanent magnet 60; And configure to the described the 1st below partition distance that suspends part 40, and have the flexible the 2nd part 80 that suspends, wherein, described yoke 50 embeds in described through hole 42, described bending part 53 is fixed on the described the 1st part 40 that suspends, part 80 combinations that suspend of the bottom surface 51 and the described the 2nd of described yoke 50.
One of principal character of multi-function micro speaker is the structure of part of suspending according to an embodiment of the invention.For the yoke 50 in connection with having permanent magnet 60 and a plate 70 is easily assembled with the 1st part 40 and the 2nd part 80 that suspends that suspends, according to the 1st of the present embodiment the part 40 and the 2nd part 80 that suspends that suspends, there is following structure.Below, first the 1st suspend part and the 2nd structure that suspends part described.
As shown in Figures 2 and 3, the described the 1st part 40 that suspends has elasticity, and portion is formed with through hole 42 in the central, has the isolation part 41 towards downside bending at edge.
Described through hole 42 form the bottom surface 51 that only makes yoke 50 by and the size that do not make the bending part 53 of yoke 50 pass through.By described through hole 42, the bottom 51 of yoke 52 is embedded into.When assembling the described the 1st suspends part 40 and yoke 50, by means of described through hole 42, easily carry out the location of yoke 50.
Described isolation part 41 is played and is guaranteed the 1st the suspend effect in the space between part 80 of part 40 and the 2nd that suspends.Therefore, by described isolation part 41, in the situation that do not use other spacer also can guarantee the 1st suspend part 40 and the 2nd space suspending between part 80.
The 1st part 40 that suspends also can be described as elastomeric element, spring or disc spring etc.In the present embodiment, the 1st suspends part 40 for disk shape, and for the shape with framework 10 is corresponding, forms disc-shape.The 1st part 40 that suspends is formed by sheet metal manufactures such as bronze.In addition, in other embodiments, the 1st part 40 that suspends can be manufactured by high polymer elastic material.
The described the 2nd part 80 and the described the 1st that suspends suspends that part 40 is the same has elasticity.In the present embodiment, the 2nd suspend part 80 by forming with the 1st identical material of part 40 that suspends.In addition, in other embodiments, the 1st suspend part 40 and the 2nd suspend the material of part 80 can be different.
The described the 2nd part 80 that suspends is configured in the 1st downside that suspends part 40.The described the 2nd, suspend the edge of part 80 in conjunction with stating to some extent the 1st isolation part 41 that suspends part 40.
The described the 2nd part 80 that suspends has installed surface 81.
Described installed surface 81 is the described the 2nd to suspend the central portion of part 80 to the part of downside bending, and the bottom surface 51 of described yoke 50 is arranged on described installed surface 81.In the present embodiment, described installed surface 81 possesses embedded hole 82, and described embedded hole 82 is formed on the central portion of installed surface 81.
Described yoke 50 comprises 51, side 52, bottom surface and bending part 53.
In the present embodiment, described bottom surface 51 forms circle, and extend to upside from described bottom surface 51 described side 52.Described bottom surface 51 is arranged on the 2nd and suspends on the installed surface 81 of part 80.The bottom surface 51 of described yoke 50 is bonding or be welded on installed surface 81, or can be bonded on installed surface 81 by bonding film (not shown).
Described bending part 53 is parts of bending toward the outer side from described side 52.Described bending part 53 is fixed on and is formed at the described the 1st and suspends on the edge of through hole 42 of part 40.The bending part 53 of described yoke 50 is also bonding or be welded on the edge of described through hole 42, or is bonded on the edge of described through hole 42 by bonding film (not shown).
That is, the bottom surface of described yoke 50 51 embeds the 1st and suspends after the through hole 42 of part 40, is arranged on the 2nd and suspends on the installed surface 81 of part 80, and because bending part 53 can not pass through through hole 42, so the state at the edge of through hole 42 is fixed with lodge.
Described permanent magnet 60 is to form with yoke 50 inner bottom surface 51 that concentric mode is fixed on yoke 50.For corresponding with the shape of yoke 50, described permanent magnet 60 forms disc-shape.Described permanent magnet 60 is bonded in the bottom surface 51 of yoke 50 or by bonding film, is bonded in the bottom surface 51 of yoke 50.
Described plate 70 be fixed on permanent magnet 60 above.Plate 70 consists of the good material of magnetic, and has the diameter almost identical with permanent magnet 60.Described permanent magnet 60 and described plate 70 are by bonding or be bonded together by bonding film.
Described framework 10 consists of plastics conventionally.On the top of framework 10 in conjunction with the peripheral part of oscillating plate 20.In addition, on described oscillating plate 20 in conjunction with the peripheral part of upper cap 110.
In the present embodiment, framework 10 forms drum on the whole, and for from externally fed, power supply terminal connecting portion 14 is outstanding from a part for outer peripheral face.Described power supply terminal connecting portion 14 embeds in the opening groove 94 of described outboard cover 90 and outstanding to outside.Lead-in wire 15 to voice coil loudspeaker voice coil 30 power supplies is combined on described power supply terminal connecting portion 14.
Certainly, the in the situation that of other embodiment, the cross-sectional profile of framework 10 can be quadrangle shape, elliptical shape, trade shape.In each situation, internal part also can suitably be out of shape according to its external shape.
The peripheral part of described oscillating plate 20 is fixed on the top of framework 10.Oscillating plate 20 is circular, conventionally macromolecular compound, consists of.Oscillating plate 20 carries out up-down vibration and produces the acoustic pressure that people can hear.
In the present embodiment, the boundary member that described oscillating plate 20 be take in conjunction with the upper end of voice coil loudspeaker voice coil 30 is benchmark, is divided into the Outboard Sections that is positioned at the inner side part of inner side and is positioned at outside.Inner side part and Outboard Sections form respectively arch (dome), and boundary member is average.Outboard Sections is also called as seamed edge (edge).Oscillating plate 20 can carry out various distortion on concrete shape, material and thickness.
Described voice coil loudspeaker voice coil 30 be fixed on oscillating plate 20 below.The upper end of voice coil loudspeaker voice coil 30 be fixed on oscillating plate 20 boundary member below.Voice coil loudspeaker voice coil 30 is being curled to the mode of the direction streaming current vertical with the magnetic line of force.Voice coil loudspeaker voice coil 30 is powered from outside.
The bottom of described voice coil loudspeaker voice coil 30 is positioned at the sidewall mezzanine space with the permanent magnet 60 of above-below direction combination and plate 70 and yoke 50.Such mezzanine space magnetic gap that is otherwise known as.When the mobile audio signal of voice coil loudspeaker voice coil 30 is used high-frequency current, according to the correlation between the magnetic field being produced by permanent magnet 60, voice coil loudspeaker voice coil 30 moves towards above-below direction.Thus, produce audio frequency with oscillating plate 20 vibrations of voice coil loudspeaker voice coil 30 combinations.
In addition, multi-function micro speaker according to the present invention has outboard cover 90 and weight member 100.
Suspend part 40, the 2nd architectural feature that suspends part 80 of described outboard cover 90 and the 1st is one of key character of the present invention.Described outboard cover 90 arranges in order to improve the assembleability of the component parts of Microspeaker, and as shown in Figure 2, described each component parts is layered in outboard cover 90 and assembles.
Particularly, described outboard cover 90 has bottom 91 and side wall portion 92.In the spatial portion being formed by described bottom 91 and side wall portion 92, take in described framework the 10, the 1st component parts such as part 40 that suspend.Described outboard cover 90 has the bending to the inside of its upper end and curling curled portion 93.
Described outboard cover 90 preferably consists of metal materials such as stainless steel, brass.The curled portion 93 of described outboard cover 90 is to form by punch process, or by outboard cover 90 to a direction rotation time according to other pressurization means, after being pressurizeed to the inside in the upper end of outboard cover 90, by several different methods such as spinnings (spinning), realize.
As shown in Figure 4, on the bottom 91 of described outboard cover 90, be formed with for making by the 1st suspend part 40 and the 2nd the suspend vibration of part 80 and the air that produces and the outside pore 911 ventilating.At the 1st part 40 and the 2nd that suspends, suspend part 80 while vibrating, at the inner Air Flows that occur of outboard cover 90, if therefore do not make the air draught that produces, can give the 1st the suspend generation of vibration impact of part 80 of part 40 and the 2nd that suspends.And, may cause the change of resonance frequency, attenuation coefficient and produce incomplete vibration, therefore need to make air and outside ventilate.In the present embodiment, described bottom 91 forms circle.Self-evident, the shape variable shape of bottom 91 is quadrangle, ellipse.
The side wall portion 92 of described outboard cover 90 consists of the 1st side wall portion 921 and the 2nd side wall portion 922 and connecting portion 923.
Described the 1st side wall portion 921 extends to upside from the edge of described bottom 91, and described the 2nd side wall portion 922 extends to upside from the upper end of described the 1st side wall portion 921.The internal diameter of described the 2nd side wall portion 922 is larger than the internal diameter of described the 1st side wall portion 921.Described connecting portion 923, as the part that connects described the 1st side wall portion 921 and described the 2nd side wall portion 922, is the part that along continuous straight runs extends in the present embodiment.As a result, described outboard cover 90 forms from bottom 91 and extends the bending of backward outside to upside, and then 2 segment structures that extend to upside.
The side wall portion 92 of described outboard cover 90 forms the part 40, the 2nd that the framework 10, the 1st that forms multi-function micro speaker can the be suspended height that the outer peripheral face of part 80, oscillating plate 20 all surrounds that suspend.In addition, on the side wall portion 92 of described outboard cover 90, be formed with opening groove 94, so that it is outstanding to be formed on the outside of the power supply terminal connecting portion 14 outside side covers 90 on framework 10.
Described weight member 100 is combined in the described the 2nd downside that suspends part 80.On described weight member 100, be formed with the connection slot 101 that embeds combination for described installed surface 81.The central portion of described weight member 100 embeds and is formed in the embedded hole 82 on described installed surface 81.Described weight member 100 is bonded in the described the 2nd and suspends on part 80.
Described weight member 100 and the described the 2nd suspends, and part 80 is common forms the oscillator that produces vibration signal.By adjustment, form the 2nd of oscillator the suspend extent of elasticity of part 80 and the weight of weight member 100 and can adjust resonance frequency and vibration force.
Below, describe in detail have as above structure according to the assembling process of multi-function micro speaker of the present invention and effect.
First, at the downside of oscillating plate 20 in conjunction with voice coil loudspeaker voice coil 30, and by welding and the mode such as bonding, in connection with there being the oscillating plate 20 of described voice coil loudspeaker voice coil 30 to be combined on framework 10.Like this, in connection with there being the state of framework 10, oscillating plate 20 and voice coil loudspeaker voice coil 30 to be called part 1 assembling part.
Then, that the yoke 50, permanent magnet 60 and the plate 70 that form magnetic circuit is bonding.On the bottom surface 51 of yoke 50 in conjunction with permanent magnet 60, board 70 on described permanent magnet 60.By the suspend edge combination of part 80 of the 1st isolation part 41 and the 2nd that suspends part 40, the described the 2nd, suspend the downside of part 80 in conjunction with weight member 100.
Then, in connection with the yoke 50 that has permanent magnet 60 and plate 70, embed the described the 1st and suspend in the through hole 42 of part 40, and the bottom surface of described yoke 50 51 is installed and is combined in the 2nd and suspends on the installed surface 81 of part 80.Like this, in connection with yoke 50, permanent magnet 60, plate 70, the 1st the suspend state of part 80 and weight member 100 of part 40, the 2nd that suspends, be called part 2 assembling part.
Then, from the bottom surface sections 91 of outboard cover 90, stack gradually described part 2 assembling part and part 1 assembling part.And, at the upside of described part 1 assembling part in conjunction with upper cap 110.Now, the power supply terminal linking part 14 of described framework 10 embeds in the opening groove 94 of outboard cover 90.
Then, as shown in Figure 2, in the mode upper end of described outboard cover 90 is curling and that press described upper cap 110, form curled portion 93, thereby complete the assembling of component parts.
As mentioned above, according to the multi-function micro speaker of the embodiment of the present invention, the yoke 50, permanent magnet 60, the plate 70 that form magnetic circuit can be assembled in simply to the 1st part 40, the 2nd that suspends suspends on part 80.That is, in connection with the yoke 50 that has permanent magnet 60 and plate 70, embed the 1st and be arranged on the 2nd after suspending in the through hole 42 of part 40 and suspend on the installed surface 81 of part 80, therefore when assembling, easily carry out the location of yoke 50, therefore assembling simply.
In addition, the 2nd installed surface 81 that suspends part 80 is clamped the bottom surface of yoke 50 50 towards downside bending, even if therefore the 1st part 40 and the 2nd part 80 sustained vibrations that suspend that suspend also can stably maintain the position of yoke 50.
In addition, after being stacked gradually in outboard cover 90, component parts by upper end is curling and therefore assembling component parts can be simplified manufacturing process, improves productivity.And then external impact is absorbed by outboard cover 90, therefore alleviate the impact bringing to component parts, thereby the multi-function micro speaker that improves durability is provided.
In addition, the 1st, suspend on the edge of part 40 and be formed with the isolation part 41 to downside bending, therefore can guarantee for the 1st part 40 sufficient space that direction moves up and down that suspends, thereby need to not suspend space between part 80 and other isolated part is set in order to ensure the 1st part 40 and the 2nd that suspends, therefore can provide the effect that reduces manufacturing expense.Meanwhile, the 2nd edge that suspends part 80 is installed on the linking part 923 of outboard cover 90 that forms 2 segment structures, is not therefore needed, for making the 2nd to suspend part 80 from the other isolated part of bottom surface 91 partition distance of outboard cover 90, therefore to save manufacturing expense.
In addition, as mentioned above, when each component parts of outboard cover 90 inner stacks, after the part 1 assembling part and part 2 assembling part of assembling greenware condition, by part 1 assembling part and part 2 assembling part are layered in to the interior finished product of manufacturing of outboard cover 90, therefore compare with assembling individual product, can reach assembling procedure simple, shorten the effect of manufacturing time.
And, after outboard cover 90 inner stacks part 1 assembling parts and part 2 assembling part, in the operation that forms curled portion 93, can omit adhesive applicating operation, therefore can reduce sizable adhesive applicating amount.As described in Figure 1, in the past for each product is carried out to combination individually, need the 1st suspend part, the 2nd bonding process suspending between part and framework, but can omit such operation according to multi-function micro speaker of the present invention.
In addition, by being formed on the pore 911 of the bottom 91 of outboard cover 90, can make air circulate in inner side and the outside of outboard cover 90.At the 1st Air Flow producing when part 40 and the 2nd suspends part 80 vibration that suspends, by described pore 911, circulate, therefore make at the 1st the suspend Air Flow that produces when part 40 and the 2nd suspends part 80 vibration minimum on the 1st the suspend impact of generation of vibration of part 80 of part 40 and the 2nd that suspends.
In addition, according to multi-function micro speaker of the present invention, can be embodied as various variation.
For example, on the framework adopting in embodiments of the present invention, the outstanding power supply terminal connecting portion that is formed with, still also can form the form being accommodated in outboard cover.In addition, in embodiments of the invention, adopt weight member, but also can adopt magnet to replace described weight member.
Above, describe the preferred embodiments of the present invention in detail, but the invention is not restricted to above-described embodiment, in the scope that does not depart from category of the present invention, can carry out various deformation.Therefore, the real technical protection scope of the present invention should be defined by the technological thought of appending claims.
Claims (9)
1. a multi-function micro speaker, is characterized in that comprising:
Framework;
Peripheral part is fixed on the oscillating plate on described framework;
Be fixed on the voice coil loudspeaker voice coil below of described oscillating plate;
The 1st part that suspends, it has elasticity, and is combined with peripheral part on described framework, at central portion, is formed with through hole;
Yoke, it is fixed on the described the 1st and suspends on part, and has bottom surface and the side of extending upward from the edge of described bottom surface and the bending part laterally from the upper end of described side;
Be fixed on the permanent magnet of the bottom surface of described yoke;
Be fixed on the plate above of described permanent magnet; And
To the described the 1st below partition distance configuration of part that suspends, and there is the flexible the 2nd part that suspends,
Wherein, described yoke embeds in described through hole, and described bending part is fixed on the described the 1st part that suspends, and the bottom surface of described yoke and the described the 2nd part that suspends is combined,
At described the 1st edge that suspends part, be formed with the isolation part towards downside bending.
2. multi-function micro speaker according to claim 1, is characterized in that,
At described the 2nd central portion that suspends part, be formed with the installed surface towards downside bending, the bottom surface of described yoke is installed in the mode embedding.
3. multi-function micro speaker according to claim 2, is characterized in that,
The central portion of described installed surface is connected.
4. multi-function micro speaker according to claim 2, is characterized in that,
At described the 2nd downside that suspends part, be combined with weight member.
5. multi-function micro speaker according to claim 1, is characterized in that,
Described multi-function micro speaker also has outboard cover, and this outboard cover has bottom and side wall portion, and for taking in described framework, the described the 1st part and the described the 2nd part that suspends that suspends.
6. multi-function micro speaker according to claim 5, is characterized in that,
Described outboard cover has upper end bending to the inside and curling curled portion.
7. multi-function micro speaker according to claim 5, is characterized in that,
The side wall portion of described outboard cover comprises: the 1st side wall portion with the 1st internal diameter; Be positioned at the upside of described the 1st side wall portion, and there is the 2nd side wall portion of the internal diameter larger than described the 1st internal diameter; And the connecting portion that connects described the 1st side wall portion and described the 2nd side wall portion.
8. multi-function micro speaker according to claim 6, is characterized in that,
Described multi-function micro speaker has the upper cap that is combined with peripheral part on described oscillating plate, and described curled portion is positioned at the upside of described upper cap.
9. multi-function micro speaker according to claim 4, is characterized in that,
On described weight member, be formed with the connection slot in conjunction with described installed surface for the mode to embed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100000908A KR101111895B1 (en) | 2010-01-06 | 2010-01-06 | Multi-function micro-speaker |
| KR10-2010-0000908 | 2010-01-06 | ||
| PCT/KR2011/000048 WO2011083961A2 (en) | 2010-01-06 | 2011-01-05 | Multifunctional microspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102273231A CN102273231A (en) | 2011-12-07 |
| CN102273231B true CN102273231B (en) | 2014-03-12 |
Family
ID=44305934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180000125.9A Expired - Fee Related CN102273231B (en) | 2010-01-06 | 2011-01-05 | Multifunctional microspeaker |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101111895B1 (en) |
| CN (1) | CN102273231B (en) |
| TW (1) | TWI487387B (en) |
| WO (1) | WO2011083961A2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469630A (en) * | 2014-10-24 | 2015-03-25 | 余德权 | Coil and magnet loudspeaker and manufacturing method thereof |
| JP7091900B2 (en) * | 2018-07-17 | 2022-06-28 | ヤマハ株式会社 | Electro-acoustic converter |
| KR102545584B1 (en) * | 2021-07-21 | 2023-06-20 | 에스텍 주식회사 | The sound generating apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1802032A (en) * | 2004-12-28 | 2006-07-12 | 日本电气株式会社 | Flat panel speaker, electronic device having same, and structure and method for mounting same |
| CN101007305A (en) * | 2006-01-19 | 2007-08-01 | 株式会社西铁城电子 | Electromagnetic exciter |
| KR20090064838A (en) * | 2007-12-17 | 2009-06-22 | 에스텍 주식회사 | Multi-function speaker |
| CN101572846A (en) * | 2008-05-01 | 2009-11-04 | 礼一电子有限公司 | Sensory signal output apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010055231A (en) * | 1999-12-10 | 2001-07-04 | 송재인 | producing system of vibration and sound |
| JP4565130B2 (en) * | 2000-12-22 | 2010-10-20 | 並木精密宝石株式会社 | Multi-function sound generator and portable terminal |
| KR100500129B1 (en) * | 2001-03-02 | 2005-07-11 | 삼성전기주식회사 | Vibration speaker |
| US6862361B2 (en) * | 2001-04-05 | 2005-03-01 | Floyd John James | Audio speaker |
| KR100632480B1 (en) * | 2004-11-18 | 2006-10-16 | 황경환 | Condenser type speaker |
| JP2006217287A (en) * | 2005-02-03 | 2006-08-17 | Citizen Electronics Co Ltd | Multifunctional converter |
-
2010
- 2010-01-06 KR KR1020100000908A patent/KR101111895B1/en not_active IP Right Cessation
-
2011
- 2011-01-05 CN CN201180000125.9A patent/CN102273231B/en not_active Expired - Fee Related
- 2011-01-05 WO PCT/KR2011/000048 patent/WO2011083961A2/en active Application Filing
- 2011-01-06 TW TW100100578A patent/TWI487387B/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1802032A (en) * | 2004-12-28 | 2006-07-12 | 日本电气株式会社 | Flat panel speaker, electronic device having same, and structure and method for mounting same |
| CN101007305A (en) * | 2006-01-19 | 2007-08-01 | 株式会社西铁城电子 | Electromagnetic exciter |
| KR20090064838A (en) * | 2007-12-17 | 2009-06-22 | 에스텍 주식회사 | Multi-function speaker |
| CN101572846A (en) * | 2008-05-01 | 2009-11-04 | 礼一电子有限公司 | Sensory signal output apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101111895B1 (en) | 2012-02-15 |
| WO2011083961A3 (en) | 2011-10-27 |
| KR20110080597A (en) | 2011-07-13 |
| TW201136339A (en) | 2011-10-16 |
| WO2011083961A2 (en) | 2011-07-14 |
| TWI487387B (en) | 2015-06-01 |
| CN102273231A (en) | 2011-12-07 |
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Granted publication date: 20140312 Termination date: 20170105 |