CN102273231A - Multifunctional microspeaker - Google Patents
Multifunctional microspeaker Download PDFInfo
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- CN102273231A CN102273231A CN2011800001259A CN201180000125A CN102273231A CN 102273231 A CN102273231 A CN 102273231A CN 2011800001259 A CN2011800001259 A CN 2011800001259A CN 201180000125 A CN201180000125 A CN 201180000125A CN 102273231 A CN102273231 A CN 102273231A
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- Prior art keywords
- suspends
- yoke
- micro speaker
- function micro
- fixed
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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
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- 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 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 of the part that suspends as the component parts that constitutes multi-function micro speaker, yoke, weight member etc.; 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 terminal 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 the 105, the 1st suspend part the 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 reeled to the mode that the direction vertical with the magnetic line of force flows with electric current.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 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, 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 2nd peripheral part that suspends part 108 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.At this moment, 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 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, 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: 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 curled to the inside in the upper end of outboard cover and assemble; thereby assembling procedure is oversimplified, and protection component 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 the 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 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, is formed with through hole at central portion; Yoke (yoke), it is fixed on the described the 1st and suspends on the part, and has bottom surface and the side of extending upward from the edge of described bottom surface and from the upper end bending part laterally of described side; Be fixed in the permanent magnet of the bottom surface of described yoke; Be fixed in the top plate (plate) of described permanent magnet; And to the described the 1st below partition distance configuration that suspends part, and rubber-like the 2nd part that suspends, wherein said yoke embeds in the described through hole, and described bending part is fixed in the described the 1st part that suspends, and the bottom surface of described yoke and the described the 2nd part that suspends combines.
In addition, preferably, be formed with isolation part at the described the 1st edge that suspends part towards the downside bending.
In addition, preferably, be formed with installed surface, so that install in the mode that embeds the bottom surface of described yoke towards the downside bending at the described the 2nd central portion that suspends part.
In addition, preferably, the central portion of described installed surface is connected.
In addition, preferably, be combined with weight member at the described the 2nd downside that suspends part.
In addition, preferably, also have outboard cover, this outboard cover has bottom and side wall portion, and is used to take 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 the crooked and curling to the inside curled portion in upper end.
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 have the 2nd side wall portion of the internal diameter bigger 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 and be used for the mode that embeds connection slot in conjunction with described installed surface.
According to multi-function micro speaker of the present invention, form through hole by suspending on the part the 1st, suspending the 2nd forms installed surface on the part, forms bending part on yoke, thereby improves the assembleability of suspend part and yoke.
In addition, 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 profile according to the multi-function micro speaker of the embodiment of the invention.
Fig. 3 extracts the wanting portion of Fig. 2 and the separation stereogram represented.
Fig. 4 extracts the wanting portion of Fig. 2 and the stereogram represented.
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 present embodiment is as the loud speaker that mainly is used in the mini-plants such as mobile communication terminal 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. 4 detailed description according to one embodiment of the invention.
Fig. 2 is the profile according to the multi-function micro speaker of the embodiment of the invention, and Fig. 3 extracts the wanting portion of Fig. 2 and the separation stereogram represented, and Fig. 4 is extraction the wanting portion of Fig. 2 and the stereogram represented.
At 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 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, is formed with through hole 42 at central portion; Yoke (yoke) 50, it is fixed on the described the 1st and suspends on the 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 in the permanent magnet 60 of the bottom surface 51 of described yoke 50; Be fixed in the top plate (plate) 70 of described permanent magnet 60; And to the described the 1st below partition distance configuration that suspends part 40, and rubber-like the 2nd part 80 that suspends, wherein, described yoke 50 embeds in the described through hole 42, described bending part 53 is fixed in the described the 1st part 40 that suspends, and the bottom surface 51 of described yoke 50 and the described the 2nd part 80 that suspends combines.
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 that will be combined with permanent magnet 60 and plate 70 is easily assembled with the 1st part 40 and the 2nd part 80 that suspends that suspends, has following structure according to the 1st of present embodiment part 40 and the 2nd part 80 that suspends that suspends.Below, at first the 1st the suspend structure of part of part and the 2nd that suspends is 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 the downside bending at the edge.
Described through hole 42 form the bottom surface 51 that only makes yoke 50 by and size that the bending part 53 of yoke 50 is passed 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, carry out the location of yoke 50 easily by means of described through hole 42.
Described isolation part 41 is played and is guaranteed the 1st the suspend effect in the space between the part 80 of part 40 and the 2nd that suspends.Therefore, by described isolation part 41, also can guarantee the 1st suspend the space between the part 80 of part 40 and the 2nd that suspends under the situation of not using other spacer.
The 1st part 40 that suspends also can be described as elastomeric element, spring or disc spring etc.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.
The described the 2nd part 80 and the described the 1st that suspends suspends that part 40 is the same to have elasticity.In the present embodiment, the 2nd suspend part 80 by constituting with the 1st part 40 identical materials that suspend.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.Suspend the edge of part 80 in conjunction with stating the 1st isolation part 41 that suspends part 40 to some extent the described the 2nd.
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 installed on the 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 bottom surface 51, side 52, reaches 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 installed in 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 the installed surface 81, perhaps can be bonded on the 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, perhaps 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 installed in the 2nd and suspends on the installed surface 81 of part 80, because bending part 53 can not pass through through hole 42, so fixes at the state at the edge of through hole 42 with lodge.
Described permanent magnet 60 is to constitute the inner bottom surface 51 that concentric mode is fixed in yoke 50 with 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 is bonded in the bottom surface 51 of yoke 50 by bonding film.
Described plate 70 be fixed in permanent magnet 60 above.Plate 70 is made of the good material of magnetic, and has and permanent magnet 60 diameter much at one.Described permanent magnet 60 with described plate 70 by bonding or be bonded in by bonding film.
Described framework 10 is made of plastics usually.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 the part of outer peripheral face.Described power supply terminal connecting portion 14 embeds in the opening groove 94 of described outboard cover 90 and outstanding to the outside.Lead-in wire 15 to voice coil loudspeaker voice coil 30 power supplies is combined on the described power supply terminal connecting portion 14.
Certainly, under the situation of other embodiment, the cross-sectional profile 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.
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 being curled to the mode of the direction streaming current vertical with the magnetic line of force.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 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 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.
In addition, multi-function micro speaker according to the present invention has outboard cover 90 and weight member 100.
Described outboard cover 90 and the 1st architectural feature that part the 40, the 2nd suspends part 80 that suspends is one of key character of the present invention.Described outboard cover 90 is provided with for the assembleability of the component parts that improves Microspeaker, and as shown in Figure 2, described each component parts is layered in the outboard cover 90 and assembles.
Particularly, described outboard cover 90 has bottom 91 and side wall portion 92.In the spatial portion that constitutes 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 is made of metal materials such as stainless steel, brass.The curled portion 93 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, with the upper end of outboard cover 90 pressurize to the inside the back realize by spinning several different methods such as (spinning).
As shown in Figure 4, be formed with on the bottom 91 of described outboard cover 90 and be used for making by the 1st suspend part 40 and the 2nd the suspend vibration of part 80 and the air and the outside pore 911 that ventilates that produce.Suspend part 80 when vibrating at the 1st part 40 and the 2nd that suspends,,, exert an influence then can for the 1st the suspend vibration of part 80 of part 40 and the 2nd that suspends if therefore do not make the air draught of generation in the outboard cover 90 inner air flows that take place.And, may cause the change of resonance frequency, attenuation coefficient and produce incomplete vibration, therefore air and outside are ventilated.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 is made 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 bigger than the internal diameter of described the 1st side wall portion 921.Described connecting portion 923 is the part that along continuous straight runs extends as the part that connects described the 1st side wall portion 921 and described the 2nd side wall portion 922 in the present embodiment.As a result, described outboard cover 90 forms from bottom 91 bending laterally after upside extends, and then 2 segment structures that extend to upside.
The side wall portion 92 of described outboard cover 90 forms the part the 40, the 2nd that the framework the 10, the 1st that constitutes 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 the 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 in the embedded hole 82 that is formed on the described installed surface 81.Described weight member 100 is bonded in the described the 2nd and suspends on the part 80.
Described weight member 100 and the described the 2nd suspends, and part 80 is common to constitute the oscillators that produce vibration signals.By adjust to constitute the 2nd of oscillator suspend the extent of elasticity of part 80 and weight member 100 weight and can adjust resonance frequency and vibration force.
Below, detailed description has as above the assembling process and the effect according to multi-function micro speaker of the present invention of structure.
At first,, and, the oscillating plate 20 that is combined with described voice coil loudspeaker voice coil 30 is combined on the framework 10 in conjunction with voice coil loudspeaker voice coil 30 at the downside of oscillating plate 20 by welding and mode such as bonding.Like this, the state that is combined with framework 10, oscillating plate 20 and voice coil loudspeaker voice coil 30 is called the part 1 assembling part.
Then, the yoke 50, permanent magnet 60 and the plate 70 that constitute 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.With the suspend edge combination of part 80 of the 1st isolation part 41 and the 2nd that suspends part 40, suspend the downside of part 80 in conjunction with weight member 100 the described the 2nd.
Then, the yoke 50 that is combined with permanent magnet 60 and plate 70 is embedded the described the 1st suspend in the through hole 42 of part 40, and the bottom surface 51 of described yoke 50 installed be combined in the 2nd and suspend on the installed surface 81 of part 80.Like this, with combine yoke 50, permanent magnet 60, plate the 70, the 1st suspend part the 40, the 2nd suspend part 80, and the state of weight member 100 be called the part 2 assembling part.
Then, the bottom surface sections 91 from outboard cover 90 stacks 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.At this moment, 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, the mode of pushing described upper cap 110 being curled in the upper end of described outboard cover 90 forms curled portion 93, thereby finishes the assembling of component parts.
As mentioned above, yoke 50, permanent magnet 60, the plate 70 that constitutes magnetic circuit can be assembled in simply the 1st part the 40, the 2nd that suspends according to the multi-function micro speaker of the embodiment of the invention suspends on the part 80.That is, the yoke 50 that is combined with permanent magnet 60 and plate 70 is embedded the 1st be installed in the 2nd after suspending in the through hole 42 of part 40 and suspend and get final product on the installed surface 81 of part 80, therefore when assembling, carry out the location of yoke 50 easily, so assemble simply.
In addition, the 2nd installed surface 81 that suspends part 80 is clamped the bottom surface 50 of yoke 50 towards the downside bending, though therefore the 1st part 40 and the 2nd part 80 sustained vibrations that suspend that suspend, the position that also can stably keep yoke 50.
In addition, after component parts stacked gradually in outboard cover 90 curled and the assembling component parts in the upper end, therefore manufacturing process can be oversimplified, improve 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 that improves durability is provided.
In addition, suspend the 1st and to be formed with isolation part 41 on the edge of part 40 to the downside bending, therefore can guarantee for the 1st part 40 direction sufficient space of moving up and down that suspends, thereby not need in order to ensure the 1st suspend part 40 and the 2nd suspend between the part 80 the space and other isolated part is set, therefore the effect that reduces manufacturing expense can be provided.Simultaneously, the 2nd edge that suspends part 80 is installed on the linking part 923 of the outboard cover 90 that forms 2 segment structures, is not therefore needed to be used to make the 2nd to suspend part 80, therefore save manufacturing expense from the other isolated part of bottom surface 91 partition distance of outboard cover 90.
In addition, as mentioned above, when each component parts of outboard cover 90 inner stacks, behind 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 the outboard cover 90 interior finished products of making, therefore compare with the assembling individual product, it is simple to reach assembling procedure, shortens 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 the adhesive applicating operation, therefore can reduce sizable adhesive applicating amount.As described in Figure 1, in the past for each product is carried out combination individually, need the 1st suspend the bonding process between part and the framework of part, the 2nd that suspends, but can omit such operation according to multi-function micro speaker of the present invention.
In addition, the pore 911 of the bottom 91 by being formed on outboard cover 90 can make air circulate in the inboard and the outside of outboard cover 90.Circulate by described pore 911 in the 1st air flows that produces when part 40 and the 2nd suspends part 80 vibration that suspends, therefore make to suspend the air flows that produces when part 40 and the 2nd suspends part 80 vibrations to the 1st part 40 and the 2nd minimum that influences that the vibration of part 80 produces that suspends that suspends the 1st.
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, adopt weight member in the embodiments of the invention, but also can adopt magnet to replace described weight member.
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 (10)
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 is combined with peripheral part on described framework, is formed with through hole at central portion;
Yoke, it is fixed on the described the 1st and suspends on the part, and has bottom surface and the side of extending upward from the edge of described bottom surface and from the upper end bending part laterally of described side;
Be fixed in the permanent magnet of the bottom surface of described yoke;
Be fixed in the top plate of described permanent magnet; And
To the described the 1st below partition distance configuration that suspends part, and rubber-like the 2nd part that suspends,
Wherein, described yoke embeds in the described through hole, and described bending part is fixed in the described the 1st part that suspends, and the bottom surface of described yoke and the described the 2nd part that suspends combines.
2. multi-function micro speaker according to claim 1 is characterized in that,
Be formed with isolation part towards the downside bending at the described the 1st edge that suspends part.
3. multi-function micro speaker according to claim 1 is characterized in that,
Be formed with installed surface at the described the 2nd central portion that suspends part, make the bottom surface of described yoke install in the mode that embeds towards the downside bending.
4. multi-function micro speaker according to claim 3 is characterized in that,
The central portion of described installed surface is connected.
5. multi-function micro speaker according to claim 1 is characterized in that,
Be combined with weight member at the described the 2nd downside that suspends part.
6. 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 is used to take in described framework, the described the 1st part and the described the 2nd part that suspends that suspends.
7. multi-function micro speaker according to claim 6 is characterized in that,
Described outboard cover has upper end bending to the inside and curling curled portion.
8. multi-function micro speaker according to claim 6 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 have the 2nd side wall portion of the internal diameter bigger 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.
9. multi-function micro speaker according to claim 7 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.
10. multi-function micro speaker according to claim 5 is characterized in that,
On described weight member, be formed with and be used for the mode that embeds connection slot in conjunction with described installed surface.
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 true CN102273231A (en) | 2011-12-07 |
| CN102273231B 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) |
Cited By (2)
| 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 |
| JP2020014076A (en) * | 2018-07-17 | 2020-01-23 | ヤマハ株式会社 | Electroacoustic converter |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102545584B1 (en) * | 2021-07-21 | 2023-06-20 | 에스텍 주식회사 | The sound generating apparatus |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 WO PCT/KR2011/000048 patent/WO2011083961A2/en active Application Filing
- 2011-01-05 CN CN201180000125.9A patent/CN102273231B/en not_active Expired - Fee Related
- 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 |
Cited By (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 |
| JP2020014076A (en) * | 2018-07-17 | 2020-01-23 | ヤマハ株式会社 | Electroacoustic converter |
| JP7091900B2 (en) | 2018-07-17 | 2022-06-28 | ヤマハ株式会社 | Electro-acoustic converter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011083961A2 (en) | 2011-07-14 |
| CN102273231B (en) | 2014-03-12 |
| KR20110080597A (en) | 2011-07-13 |
| WO2011083961A3 (en) | 2011-10-27 |
| TWI487387B (en) | 2015-06-01 |
| TW201136339A (en) | 2011-10-16 |
| KR101111895B1 (en) | 2012-02-15 |
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Granted publication date: 20140312 Termination date: 20170105 |