CN102273230A - Multifunctional microspeaker - Google Patents
Multifunctional microspeaker Download PDFInfo
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- CN102273230A CN102273230A CN2011800001210A CN201180000121A CN102273230A CN 102273230 A CN102273230 A CN 102273230A CN 2011800001210 A CN2011800001210 A CN 2011800001210A CN 201180000121 A CN201180000121 A CN 201180000121A CN 102273230 A CN102273230 A CN 102273230A
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- micro speaker
- function micro
- suspends
- spacer
- framework
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Classifications
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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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention relates to a multifunctional microspeaker. The multifunctional microspeaker of the present invention comprises: a frame; a diaphragm, the outer surface of which is fixed at the frame; a voice coil fixed at the lower surface of the diaphragm; a first elastic suspension, the outer surface of which is fixed at the frame; a yoke fixed at the first suspension; a first permanent magnet fixed at the bottom surface of the yoke; a plate fixed at the upper surface of the first permanent magnet; and an outer cover having a bottom portion and a sidewall portion, and which accommodates the frame and the first 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: when carrying out the assembling procedure of multi-function micro speaker; various component parts are stacked gradually in outboard cover; and after stacked component parts, curled in the upper end of outboard cover and assemble, thereby assembling procedure can be oversimplified; improve productivity, and protection component parts and improve durability in externally impacting.
Background technology
Usually, loud speaker is to be the device of voice signal with electrical signal conversion.Microspeaker is mainly to be used in for example miniature loudspeaker in the portable audio device that significantly increases of demand in recent years such as mobile phone, notebook computer, MP3 player, earphone of the little audio frequency apparatus of size.
But the mobile communication end equipment major part that possesses the electronic product in recent years, particularly mobile phone and so on of Microspeaker constitutes the structure that is used to produce vibration signal.Such vibration signal is used for replacing the incoming telephone signal sound or is confirming input state in the touch-screen of the direct input information of picture.
Microspeaker according to the present invention is when possessing the basic function that sound takes place, and also possesses the loud speaker of the structure that is used to produce vibration signal.Microspeaker is called as multi-functional transmission device or multifunction electronic audio converter etc.
The structure of Microspeaker in the past for obtaining to vibrate by the vibrating body resonance that makes by disc spring supporting.In so general Microspeaker in the past, has 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 on vibrating body when applying vibration signal with electric current to this voice coil loudspeaker voice coil.
Fig. 1 represents an example of Microspeaker in the past.With reference to Fig. 1, Microspeaker 100 comprises: framework 110, sounding with oscillating plate 101, voice coil loudspeaker voice coil 102, with upper and lower to the permanent magnet 104 that disposes the N utmost point and the S utmost point, plate 103, yoke 105, the part 106 that suspends, upper cap 107.
The upper end of described voice coil loudspeaker voice coil 102 be fixed on oscillating plate 101 below.Voice coil loudspeaker voice coil 102 with upper and lower to being reeled.Plate 103 be fixed in permanent magnet 104 above, permanent magnet 104 is fixed in the bottom surface of yoke 105, described yoke 105 is fixed in the part 106 that suspends.Suspend 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, the action of the Microspeaker 100 of structure describes to having as above.
When voice coil loudspeaker voice coil 102 applies the electric current that is suitable for audio frequency, on voice coil loudspeaker voice coil 102, produce electromagnetic force, vibration takes place and output audio in oscillating plate 101 thus.
That is, the magnetic line of force that sends from the N utmost point of permanent magnet 104 forms magnetic field towards the S of permanent magnet 104 utmost point by plate 103, voice coil loudspeaker voice coil 102 and yoke 105 successively.At this moment, produce interaction with the magnetic flux that is produced by magnetic circuit when on voice coil loudspeaker voice coil 102 electromagnetic force taking place, the oscillating plate 101 that is fixed in voice coil loudspeaker voice coil 102 vibrates, thereby realizes the loudspeaker function of output audio.
In addition, when voice coil loudspeaker voice coil 102 applies the electric current (common low-frequency current) that is suitable for vibrating, produce vibration signal by the moving up and down of magnetic circuit portion (vibrating body) that constitutes by yoke 105, permanent magnet 104 and plate 103.
Below, the as above assembling process of the Microspeaker 100 of structure is described.
At first, framework 110 is made of upper portion side wall framework 112 that forms sidewall and lower sides framework 113 and the bottom frame 111 that forms the bottom surface.Bottom frame 111 is bonded on the lower sides framework 113, the peripheral part of the part 106 that suspends is fixed on the described lower sides framework 113.And, described upper portion side wall framework 112 is fixed on the upside of described lower sides framework 113.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 the upper edge of described upper portion side wall framework 112, on the top of described oscillating plate 101 bonding on side cover 107.Usually, carry out combination by bonding agent between the component parts, and assemble by welding between the component parts of metal material.
As mentioned above, Microspeaker 100 in the past is in order to carry out a plurality of operations in conjunction with each component parts, and is therefore very inconvenient.In addition, the difficulty of assembling procedure is big again, need spend the considerable time when assembling, therefore the problem that exists productivity to reduce.
Particularly, as the mode of assembling component parts, general what be suitable for is adhesive-applying and with the mode of its sclerosis between parts, but since the liquid-type bonding agent quantitatively and to adjust to the difficulty of tram bigger, therefore deviation appears on product performance.In addition, in order to solve the problem that such problem can cause the investment cost increase of mounting equipment.
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: at the component parts of outboard cover inner stacks multi-function micro speaker; and the upper end of outboard cover curled to the inside and assemble; thereby assembling procedure is oversimplified, and protection component parts and improve durability in externally impacting.
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 the described framework; Be fixed in the following voice coil loudspeaker voice coil of described oscillating plate; The 1st part that suspends, it has elasticity, and is combined with peripheral part on described framework; Be fixed on the described the 1st yoke (yoke) that suspends on the part; Be fixed in the 1st permanent magnet of the bottom surface of described yoke; Be fixed in the top plate (plate) of described the 1st permanent magnet; And outboard cover, it has bottom and side wall portion, and is used to take in described framework and the described the 1st part that suspends.
In addition, preferably, described outboard cover has the crooked and curling to the inside curled portion in its upper end.
In addition, preferably, be formed with a plurality of pores in the bottom of described outboard cover.
In addition, preferably, on the side wall portion of described outboard cover, be formed with opening groove, make described framework to give prominence to.
In addition, preferably, described multi-function micro speaker circumferentially is formed with embedded groove below described framework.
In addition, preferably, described multi-function micro speaker along the described the 1st suspend part the edge circumferentially be formed with embed in the described embedded groove in conjunction with projection.
In addition, preferably, suspending the described the 1st is formed with the 1st support on the part, the 1st support along the edge circumferentially with uniformly-spaced configuration, and between described framework and described the 1st spacer, support the described the 1st part that suspends.
In addition, preferably, described multi-function micro speaker has the top upper cap that peripheral part is combined in described oscillating plate.
In addition, preferably, described multi-function micro speaker have with the described the 1st suspend part below in conjunction with the 1st spacer.
In addition, preferably, described multi-function micro speaker has: peripheral part is combined in the following the 2nd of described the 1st spacer part that suspends; With the described the 2nd the 2nd magnet that part combines that suspends; And peripheral part is combined in the described the 2nd the 2nd following spacer that suspends part, and the described the 2nd suspend part and described the 2nd magnet and described the 2nd spacer is accommodated in the described outboard cover, and the bottom of the following and described outboard cover of described the 2nd spacer combines.
In addition, preferably, described the 1st spacer forms annular, and the cross section of described the 1st spacer is the quadrangle that the bight forms rounded radius.
In addition, preferably, the described the 2nd part that suspends has the 2nd support, the 2nd support along the edge circumferentially with uniformly-spaced configuration, and have bending part to the upside bending, make outer ends portion be clipped in the described radius.
In addition, preferably, be formed with therefrom the 2nd side-prominent protrusion on the mind-set, on described the 2nd magnet, be formed with the 2nd protuberance Embedded Division that embeds for described the 2nd protrusion in the bottom of described outboard cover.
According to multi-function micro speaker of the present invention, stack gradually component parts by the mode that is accommodated in the component parts that will constitute multi-function micro speaker in the outboard cover from the bottom of described outboard cover, and curled to the inside in the upper end of described outboard cover and assemble, can realize therefore that its manufacturing process is 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 reduce the 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 are kept the state that is accommodated in the outboard cover, therefore can reach the effect of standing external impact and improving durability.
Description of drawings
Fig. 1 is the summary profile of multi-function micro speaker in the past.
Fig. 2 is the separation stereogram according to the multi-function micro speaker of the embodiment of the invention.
Fig. 3 is the profile according to the multi-function micro speaker of the embodiment of the invention.
Fig. 4 amplifies Fig. 2 " A " part and the figure of expression.
Fig. 5 amplifies Fig. 2 " B " part and the figure of expression.
Fig. 6 is the VI-VI line profile of Fig. 2.
Symbol description
10 frameworks; 14 power supply terminal connecting portions; 20 oscillating plates; 30 voice coil loudspeaker voice coils; 40 the 1st parts that suspend; 42 in conjunction with projection; 44 the 1st supports; 46 the 1st protrusions; 50 yokes; 54 the 1st protuberance Embedded Divisions; 60 the 1st permanent magnets; 70 plates; 80 the 1st spacers; 82 radius; 90 outboard cover; 96 pores; 98 opening grooves; 99 the 2nd protrusions; 120 upper caps; 130 the 2nd parts that suspend; 132 the 2nd supports; The 132a bending part; 140 the 2nd magnet; 142 the 2nd protuberance Embedded Divisions; 150 the 2nd spacers
Embodiment
The Microspeaker 1 of present embodiment is as the loud speaker that mainly is used in the mini-plants such as mobile communication end equipment such as mobile phone or PMP, possess audio frequency generation function and signal vibration generation function simultaneously, particularly improve the Microspeaker of the assembleability when making.
Below, with reference to the multi-function micro speaker of Fig. 2 to Fig. 7 detailed description according to one embodiment of the invention.
Fig. 2 is the separation stereogram according to the multi-function micro speaker of the embodiment of the invention, Fig. 3 is the profile according to the multi-function micro speaker of the embodiment of the invention, Fig. 4 amplifies Fig. 2 " A " part and the figure of expression, Fig. 5 amplifies Fig. 2 " B " part and the figure of expression, and Fig. 6 is the VI-VI line profile of Fig. 2.
With reference to Fig. 2 and Fig. 3, multi-function micro speaker 1 comprises according to an embodiment of the invention: framework 10; Peripheral part is fixed on the oscillating plate 20 on the described framework 10; Be fixed in the following voice coil loudspeaker voice coil 30 of described oscillating plate 20; The 1st part 40 that suspends, it has elasticity, and is combined with peripheral part on described framework 10; Be fixed on the described the 1st yoke (yoke) 50 that suspends on the part 40; Be fixed in the 1st permanent magnet 60 of the bottom surface 52 of described yoke 50; Be fixed in the top plate (plate) 70 of described permanent magnet 60; And outboard cover 90, it has bottom 92 and side wall portion 94, and is used to take in described framework 10 and the described the 1st part 40 that suspends.
The present invention is characterized in, assemble when being laminated in the component parts of multi-function micro speaker 1 in the outboard cover 90.
Fig. 2 is the figure of expression according to the separation stereogram of multi-function micro speaker 1 of the present invention.As shown in Figure 2, the various component parts of Microspeaker 1 are accommodated in the outboard cover 90.Fig. 3 represent will according to the component parts of multi-function micro speaker 1 of the present invention is stacked be accommodated in the outboard cover 90 after, the profile under the state that is curled in the upper end of outboard cover 90.
Particularly, described outer cover 90 has bottom 92 and side wall portion 94, has taken in described framework 10 and the 1st part 40 that suspends in the space that is made of described bottom 92 and side wall portion 94.Described outboard cover 90 has the bending to the inside of its upper end and curling curled portion 91.Described outboard cover 90 preferably is made of metal materials such as stainless steel, brass.The curled portion 91 of described outboard cover 90 is to form by punch process, perhaps with outboard cover 90 when a direction is rotated according to other pressurization means, the upper end of the outboard cover 90 back several different methods such as curl of pressurizeing is to the inside realized.
On the bottom 92 of described outboard cover 90, be formed be used for making by the 1st suspend part 40 vibration and the air that produces leads to outside pore 96.Suspend part 40 when vibrating the 1st,,, exert an influence then can for the 1st vibration that suspends part 40, therefore need make air lead to the outside if therefore the air that produces is not ventilated in the outboard cover 90 inner air flows that take place.In the present embodiment, described bottom 92 forms circle.Self-evident, the shape variable shape of bottom 92 is quadrangle, ellipse.
The side wall portion 94 of described outboard cover 90 forms the whole height that surround of outer peripheral face of the part 40 that the framework the 10, the 1st that constitutes multi-function micro speaker 1 can be suspended.In addition, on the side wall portion 94 of described outboard cover 90, be formed with opening groove 98, so that it is outstanding to be formed on the outside of the power supply terminal connecting portion 14 outside side covers 90 on the framework 10.
Described framework 10 is made of plastics usually.Be combined with the peripheral part of oscillating plate 20 on the top of framework 10.In addition, on described oscillating plate 20 in conjunction with the peripheral part of upper cap 120.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 the part of outer peripheral face.Described power supply terminal connecting portion 14 embeds in the opening groove 98 of described outboard cover 90 and outstanding to the outside.On described power supply terminal connecting portion 14, be combined with to the lead-in wire 11 of voice coil loudspeaker voice coil 30 power supplies and the disc spring 15 that is connected with external cable.
Under the situation of other embodiment, the profile in the cross section of framework 10 can be quadrangle shape, elliptical shape, trade shape.Under each situation, internal part also can suitably be out of shape according to its external shape.
In addition, as shown in Figure 3, below described framework 10, circumferentially be formed with embedded groove 12.Along the described the 1st suspend part 40 the edge circumferentially form embed in the described embedded groove 12 in conjunction with projection 42.
The peripheral part of described oscillating plate 20 is fixed on the top of framework 10.Oscillating plate 20 is circular, is made of macromolecular compound usually.Oscillating plate 20 carries out up-down vibration and produces the acoustic pressure that people can hear.
In the present embodiment, described oscillating plate 20 is a benchmark with the boundary member in conjunction with the upper end of voice coil loudspeaker voice coil 30, is divided into the Outboard Sections that is positioned at inboard inside part and is positioned at the outside.Inside part and Outboard Sections form arch (dome) respectively, and boundary member is average.Outboard Sections also is 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 in oscillating plate 20 below.The upper end of voice coil loudspeaker voice coil 30 be fixed in oscillating plate 20 boundary member below.Voice coil loudspeaker voice coil 30 is by constituting to the coiling lead with upper and lower.Voice coil loudspeaker voice coil 30 obtains power supply from the outside.
The bottom of described voice coil loudspeaker voice coil 30 is positioned at upper and lower to the 1st permanent magnet 60 of combination and the sidewall mezzanine space of plate 70 and yoke 50.Such mezzanine space magnetic gap that is otherwise known as.Flow audio signals when use high-frequency current at voice coil loudspeaker voice coil 30, according to the correlation between the magnetic field that produces by the 1st permanent magnet 60, voice coil loudspeaker voice coil 30 towards upper and lower to mobile.Thus, the oscillating plate 20 that combines with voice coil loudspeaker voice coil 30 vibrates and the generation audio frequency.
The described the 1st part 40 that suspends has elasticity, and has in conjunction with projection 42 and the 1st support 44 and the 1st protrusion 46.
Described in conjunction with projection 42 along the described the 1st edge circumferentially outstanding of part 40 that suspend towards the top, and embed in the embedded groove 12 of framework 10.
Described the 1st support 44 along the 1st suspend part 40 the edge circumferentially with uniformly-spaced the configuration.Described the 1st support 44 supports the 1st part 40 that suspends between described framework 10 and the 1st spacer 80.In the present embodiment, described the 1st support 44 the 1st suspend part 40 around be formed with 4.
Described the 1st jut 46 is in the side-prominent formation that makes progress of the 1st central portion that suspends part 40.Described the 1st protrusion 46 embeds in the 1st protuberance Embedded Division 54 of the central portion that is formed at described yoke 50.Described the 1st protrusion 46 embeds in described the 1st protuberance Embedded Division 54, thereby prevents when the 1st suspends part 40 vibrations, the 1st part 40 oblique phenomenon of side wall portion 94 inclinations of side cover 90 outward that suspends.
The 1st revolving part 40 can be described as elastomeric element, spring or disc spring etc.So-called elasticity is meant that volume and shape change when the object application of force from the outside, and reverts to the character of original shape when releasing power, and is divided into the volume elasticity and the elasticity of shape according to mode of deformation.Among the present invention, the 1st suspend part 40 is main relevant with the elasticity of shape.
In the present embodiment, the 1st suspend part 40 is disk shape, and for corresponding with the shape of framework 10 and form disc-shape.The 1st suspend part 40 is formed by sheet metal manufacturings such as bronze.In addition, in other embodiments, the 1st suspends part 40 can be by the manufacturing of high polymer elastic material.
In the present embodiment, described yoke 50 is fixed in the 1st top central portion that suspends part 40.Described yoke 50 is bonded in the described the 1st central portion that suspends part 40, perhaps is bonded in the described the 1st central portion that suspends part 40 by bonding film (not shown).Be combined with the 1st permanent magnet 60 on the bottom surface 52 of described yoke 50, the upper end of described yoke 50 is disposed at the position higher than the bottom of described voice coil loudspeaker voice coil 30.Central portion at described yoke 50 is formed with the 1st protuberance Embedded Division 54 that embeds for the 1st the 1st protrusion 46 that suspends part 40.
Described the 1st permanent magnet 60 is to constitute the inner bottom surface 52 that concentric mode is fixed in yoke 50 with yoke 50.For corresponding with the shape of yoke 50, described the 1st permanent magnet 60 forms disc-shape.Described the 1st permanent magnet 60 is bonded in the bottom surface 52 of yoke 50 or is bonded in the bottom surface 52 of yoke 50 by bonding film.
Described plate 70 be fixed in the 1st permanent magnet 60 above.Plate 70 is made of the good material of magnetic, and has and the 1st permanent magnet 60 diameter much at one.Described the 1st permanent magnet 60 with described plate 70 by bonding or be bonded in by bonding film.
The 1st permanent magnet 60 and plate 70 are fixed with the upper end partition distance of yoke 50.And the upper end of the lateral surface of the 1st permanent magnet 60 and plate 70 yoke 50 opposite each other between be formed with the space, the bottom of voice coil loudspeaker voice coil 30 is positioned at this space.
The 1st permanent magnet 60, plate 70 and yoke 50 constitute the magnetic circuit of loud speaker.That is, the magnetic flux that is produced by the 1st permanent magnet 60 forms the flux path (path) that enters yoke 50 through plate 70.When described voice coil loudspeaker voice coil 30 applies the electric current (electric current of common low frequency) that is suitable for vibrating, produce vibration signal according to the moving up and down of magnetic circuit portion (vibrating body) that constitutes by yoke the 50, the 1st permanent magnet 60 and plate 70.
Described the 1st spacer 80 be combined in the 1st suspend part 40 below.Described the 1st spacer 80 is provided with in order to ensure the space that the bottom 92 and the 1st of outboard cover 90 suspends between the part 40.Described the 1st spacer 80 is made of metal material or synthetic resin.In the present embodiment, described the 1st spacer 80 is corresponding with the outer angular shape of the bottom 92 of outboard cover 90 and form annular.As shown in Figure 6, the cross section of described the 1st spacer 80 forms quadrangle on the whole, and the bight forms rounded radius 82.
In addition, multi-function micro speaker 1 according to the present invention has the 2nd part the 130, the 2nd magnet the 140, the 2nd spacer 150 that suspends.
The described the 2nd part 130 that suspends is configured between described the 1st spacer 80 and described the 2nd spacer 150.The described the 2nd suspend the top peripheral part of part 130 and described the 1st spacer 80 below in conjunction with.
The same with the 1st part 40 that suspends, the described the 2nd part 130 that suspends also has elasticity, and along the edge circumferentially uniformly-spaced to dispose the 2nd support 132.Described the 2nd support 132 has the bending part 132a to the upside bending, makes the terminal part of described the 2nd support 132 be sandwiched in the radius 82 of described the 1st spacer 80.
In the present embodiment, the 2nd suspends part 130 by constituting with the 1st identical material of part 40 that suspends.But in other embodiments, the 1st the suspend material of part 130 of part 40 and the 2nd that suspends can differ from one another.
Described the 2nd magnet 140 be fixed in the 2nd suspend part 130 below.The described the 2nd central portion that suspends part 130 makes progress side-prominent and forms the space that supplies 140 combinations of described the 2nd magnet.The 2nd magnet 140 and the 1st suspend part 40 and yoke 50 partition distance and dispose.
Magnetic about the above-below direction of described the 2nd magnet 140 both can dispose the S utmost point and the N utmost point as required and from top to bottom, also can dispose the N utmost point and the S utmost point from top to bottom.In addition, the 2nd magnet 140 both can be permanent magnet, also can be electromagnet.In addition, be formed with the 2nd protuberance Embedded Division 142 of the 2nd protrusion 99 embeddings that supply outboard cover 90 at the central portion of described the 2nd magnet 140.
The 2nd magnet 140 and the 2nd suspends part 130 as the oscillator that produces vibration signal.In the multi-function micro speaker 1 in the present embodiment, by the 2nd magnet 140 and the 2nd the separate each other distance and disposing of oscillator that part 130 constitutes and the magnetic circuit that constitutes by the 1st permanent magnet 60 and plate 70 and yoke 50 that suspends, but magnetic circuit and oscillator interconnect by magnetic field, will be used to produce audio frequency oscillating plate 20 vibration and by the suspend mutual minimum interference of vibration of the oscillator that part 130 constitutes of the 2nd magnet 140 and the 2nd.
In addition, the 2nd protrusion 99 of described outboard cover 90 embeds in the 2nd protuberance Embedded Division 142 of described the 2nd magnet 140, thereby prevents when the 2nd suspends part 130 vibrations, the 2nd suspend part 130 outward side cover 90 side wall portion and be partial to inclination.
Below, detailed description has as above the assembling process and the effect according to multi-function micro speaker 1 of the present invention of structure.
Multi-function micro speaker 1 is by with bottom 92 stacked assemble of component parts from outboard cover 90.Particularly, the 2nd spacer the 150, the 2nd is suspended part the 130, the 1st spacer the 80, the 1st suspend part 40, framework 10, oscillating plate 20, and upper cap 120 92 stack gradually and assemble from the bottom.At this moment, the power supply terminal connecting portion 14 of described framework 10 embeds in the opening groove 98 of outboard cover 90.
Suspend above the part 40 in conjunction with yoke 50 the described the 1st, in the bottom surface 52 of yoke 50 in conjunction with the 1st permanent magnet 60, board 70 on described the 1st permanent magnet 60.In addition, the described the 2nd suspend part 130 below in conjunction with the 2nd magnet 140.
The described the 1st suspend the embedding in the embedded groove 12 of frameworks 10 in conjunction with projection 42 of part 40, the 1st the 1st support 44 that suspends part 40 are supported the 1st part 40 that suspends between described framework 10 and the 1st spacer 80.
In addition, the described the 2nd edge that suspends part 130 is disposed between described the 1st spacer 80 and described the 2nd spacer 150.In addition, the described the 2nd the 2nd support 132 that suspends part 130 firmly supports the described the 2nd part 130 that suspends between described the 1st spacer 80 and described the 2nd spacer 150.The bending part 132a of described the 2nd support 132 is stuck in the radius 82 of described the 1st spacer 80.
Then, as shown in Figure 3, curled in the upper end of described outboard cover 90 and form curled portion 91, thereby finish the assembling of component parts.
As mentioned above, the upper end curled after stacking gradually component parts in outboard cover 90 according to the multi-function micro speaker 1 of inventive embodiments and assemble component parts, therefore manufacturing process can be oversimplified the raising productivity.And then external impact is absorbed by outboard cover 90, therefore alleviates the impact that brings to component parts, thereby the multi-function micro speaker 1 that improves durability is provided.
In addition, in order to ensure the 1st suspend part 40 and the 2nd suspend space and the 2nd between the part 130 suspend between the bottom 92 of part 130 and outboard cover 90 the space and use the 1st spacer 80 and the 2nd spacer 150, thereby can in the space of guaranteeing component parts easily, finish the assembling of component parts.
In addition, for part 40 combination stably that framework 10 and the 1st is suspended, on framework 10, form embedded groove 12, suspend part 40 formation in conjunction with projection 42 the 1st, thereby carry out the suspend combination of part 40 of framework 10 and the 1st easily, even be subjected under the situation of external impact, the 1st suspends part 40 also can be from framework 10 disengagings.
In addition, the cross section of the 1st spacer 80 forms quadrangle on the whole, and the bight forms rounding, and the bending part 132a of the 2nd support 132 is sandwiched in the radius 82, and part 130 also can be easily and combination stably thereby the 1st spacer 80 and the 2nd suspends.
In addition, the pore 96 that is formed at the bottom 92 of outboard cover 90 can make air circulate in the inboard and the outside of outboard cover 90.Circulate by described pore 96 in the 1st air flows that produces when part 40 and the 2nd suspends part 130 vibration that suspends, therefore make to suspend the air flows that produces when part 40 and the 2nd suspends part 130 vibrations to the 1st part 40 and the 2nd minimum that influences that the vibration of part 130 produces that suspends that suspends the 1st.
In addition, be formed at the 1st suspend the 1st jut 46 of part 40 and the 2nd jut 99 that is formed at described outer cover 90 and prevent that the 1st part 40 and the 2nd that suspends from suspending part 130 to lopsidedness, thereby prevent that the 1st part 40 and the 2nd part 130 that suspends that suspends from being broken or carry out incomplete vibration.
In addition, can be embodied as various variation according to multi-function micro speaker of the present invention.
For example, the outstanding power supply terminal connecting portion that is formed with on the framework of Cai Yonging still also can form the form that is accommodated in the outboard cover in embodiments of the present invention.In addition, in the present embodiment, suspending the 1st is formed with the 1st support separately on the part, but also can not form the 1st support.Equally, suspend the 2nd and also can not be formed with the 2nd support separately on the part.In addition, the 1st, 2 shape that suspends part can change to different shape according to the shape of the bottom of outboard cover.In addition, in the present embodiment, the 2nd magnet be combined in the 2nd suspend part below, but also can be combined in the 2nd suspend part above.
More than, describe the preferred embodiments of the present invention in detail, but the invention is not restricted to the foregoing description, in the scope that does not break away 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 (13)
1. multi-function micro speaker is characterized in that comprising:
Framework;
Peripheral part is fixed on the oscillating plate on the described framework;
Be fixed in the following voice coil loudspeaker voice coil of described oscillating plate;
The 1st part that suspends, it has elasticity, and its peripheral part is combined on the described framework;
Be fixed on the described the 1st yoke that suspends on the part;
Be fixed in the 1st permanent magnet of the bottom surface of described yoke;
Be fixed in the top plate of described the 1st permanent magnet; And
Outboard cover, it has bottom and side wall portion, and is used to take in described framework and the described the 1st part that suspends.
2. multi-function micro speaker according to claim 1 is characterized in that,
Described outboard cover has the crooked and curling to the inside curled portion in upper end.
3. multi-function micro speaker according to claim 1 is characterized in that,
Be formed with a plurality of pores in the bottom of described outboard cover.
4. multi-function micro speaker according to claim 1 is characterized in that,
On the side wall portion of described outboard cover, be formed with opening groove, make described framework to give prominence to.
5. multi-function micro speaker according to claim 1 is characterized in that,
Described multi-function micro speaker circumferentially is formed with embedded groove below described framework.
6. multi-function micro speaker according to claim 5 is characterized in that,
Described multi-function micro speaker along the described the 1st suspend part the edge circumferentially be formed be embedded in the described embedded groove in conjunction with projection.
7. multi-function micro speaker according to claim 1 is characterized in that,
Suspending the described the 1st is formed with the 1st support on the part, the 1st support along the edge circumferentially with uniformly-spaced configuration, and between described framework and described the 1st spacer, support the described the 1st part that suspends.
8. multi-function micro speaker according to claim 1 is characterized in that,
Described multi-function micro speaker has the top upper cap that peripheral part is combined in described oscillating plate.
9. multi-function micro speaker according to claim 1 is characterized in that,
Described multi-function micro speaker have with the described the 1st suspend part below in conjunction with the 1st spacer.
10. multi-function micro speaker according to claim 9 is characterized in that,
Described multi-function micro speaker has: peripheral part is combined in the following the 2nd of described the 1st spacer part that suspends; With the described the 2nd the 2nd magnet that part combines that suspends; And peripheral part is combined in the described the 2nd the 2nd following spacer that suspends part,
The described the 2nd suspend part and described the 2nd magnet and described the 2nd spacer is accommodated in the described outboard cover,
The bottom of the following and described outboard cover of described the 2nd spacer combines.
11. multi-function micro speaker according to claim 10 is characterized in that,
Described the 1st spacer forms annular, and the cross section of described the 1st spacer is the quadrangle that the bight forms rounded radius.
12. multi-function micro speaker according to claim 11 is characterized in that,
The described the 2nd part that suspends has the 2nd support, the 2nd support along the edge circumferentially with uniformly-spaced configuration, and have bending part to the upside bending, make the outer ends portion of the 2nd support be sandwiched in the described radius.
13. multi-function micro speaker according to claim 10 is characterized in that,
Be formed with therefrom the 2nd side-prominent protrusion on the mind-set in the bottom of described outboard cover, on described the 2nd magnet, be formed with the 2nd protuberance Embedded Division that embeds for described the 2nd protrusion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0000899 | 2010-01-06 | ||
| KR20100000899A KR101192397B1 (en) | 2010-01-06 | 2010-01-06 | Multi-function micro-speaker |
| PCT/KR2011/000047 WO2011083960A2 (en) | 2010-01-06 | 2011-01-05 | Multifunctional microspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102273230A true CN102273230A (en) | 2011-12-07 |
Family
ID=44305933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800001210A Pending CN102273230A (en) | 2010-01-06 | 2011-01-05 | Multifunctional microspeaker |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101192397B1 (en) |
| CN (1) | CN102273230A (en) |
| TW (1) | TWI491274B (en) |
| WO (1) | WO2011083960A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107371104A (en) * | 2017-04-27 | 2017-11-21 | 天津富禄通信技术有限公司 | Vibrating speaker with sound equipment output and vibrating function |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102242204B1 (en) * | 2019-10-23 | 2021-04-21 | 삼원액트 주식회사 | Micro-speaker |
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| CN101007305A (en) * | 2006-01-19 | 2007-08-01 | 株式会社西铁城电子 | Electromagnetic exciter |
| KR20090049176A (en) * | 2007-11-13 | 2009-05-18 | 에스텍 주식회사 | Multifunction speaker |
| KR20090064838A (en) * | 2007-12-17 | 2009-06-22 | 에스텍 주식회사 | Multifunction speaker |
| CN101494808A (en) * | 2008-01-24 | 2009-07-29 | 深圳富泰宏精密工业有限公司 | Loudspeaker assembly |
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| KR100500129B1 (en) * | 2001-03-02 | 2005-07-11 | 삼성전기주식회사 | Vibration speaker |
| US6862361B2 (en) * | 2001-04-05 | 2005-03-01 | Floyd John James | Audio speaker |
| KR100439583B1 (en) * | 2001-12-27 | 2004-07-12 | 에스텍 주식회사 | Speaker for generating both vibration and sound |
| JP2004082030A (en) * | 2002-08-28 | 2004-03-18 | Tokyo Parts Ind Co Ltd | Thin vibration generator by electromagnetic acoustic transduction, and mobile communication device equipped with the same |
| KR100632480B1 (en) * | 2004-11-18 | 2006-10-16 | 황경환 | Condenser speaker |
| JP2006217287A (en) * | 2005-02-03 | 2006-08-17 | Citizen Electronics Co Ltd | Multifunctional converter |
| JP5013902B2 (en) * | 2007-02-27 | 2012-08-29 | 株式会社オーディオテクニカ | headphone |
| KR100894656B1 (en) * | 2008-05-01 | 2009-04-24 | 주식회사 예일전자 | Sensory signal output device |
-
2010
- 2010-01-06 KR KR20100000899A patent/KR101192397B1/en not_active Expired - Fee Related
-
2011
- 2011-01-05 WO PCT/KR2011/000047 patent/WO2011083960A2/en active Application Filing
- 2011-01-05 CN CN2011800001210A patent/CN102273230A/en active Pending
- 2011-01-06 TW TW100100577A patent/TWI491274B/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007305A (en) * | 2006-01-19 | 2007-08-01 | 株式会社西铁城电子 | Electromagnetic exciter |
| KR20090049176A (en) * | 2007-11-13 | 2009-05-18 | 에스텍 주식회사 | Multifunction speaker |
| KR20090064838A (en) * | 2007-12-17 | 2009-06-22 | 에스텍 주식회사 | Multifunction speaker |
| CN101494808A (en) * | 2008-01-24 | 2009-07-29 | 深圳富泰宏精密工业有限公司 | Loudspeaker assembly |
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| CN107371104A (en) * | 2017-04-27 | 2017-11-21 | 天津富禄通信技术有限公司 | Vibrating speaker with sound equipment output and vibrating function |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101192397B1 (en) | 2012-10-17 |
| TWI491274B (en) | 2015-07-01 |
| TW201129120A (en) | 2011-08-16 |
| WO2011083960A2 (en) | 2011-07-14 |
| WO2011083960A3 (en) | 2011-10-27 |
| KR20110080588A (en) | 2011-07-13 |
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Application publication date: 20111207 |