CN102959986A - Speaker device and electronic device having same - Google Patents
Speaker device and electronic device having same Download PDFInfo
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- CN102959986A CN102959986A CN2010800658355A CN201080065835A CN102959986A CN 102959986 A CN102959986 A CN 102959986A CN 2010800658355 A CN2010800658355 A CN 2010800658355A CN 201080065835 A CN201080065835 A CN 201080065835A CN 102959986 A CN102959986 A CN 102959986A
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- permanent magnet
- voice coil
- framework
- speaker unit
- loudspeaker voice
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- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000012217 deletion Methods 0.000 description 2
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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
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- 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
-
- 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
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
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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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
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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 speaker device comprising: a frame; a permanent magnet disposed in the frame; a voice coil spaced apart from the permanent magnet by a certain gap so as to interact with the permanent magnet and move vertically; a damper resiliently supporting the voice coil; and a diaphragm connected to the voice coil. The permanent magnet is configured such that a first permanent magnet is disposed on the inside of the voice coil, and a second permanent magnet, the polarity of which is the opposite of that of the first permanent magnet, is disposed on the outside of the voice coil. A yoke is installed on the bottom of the first permanent magnet and of the second permanent magnet, and a first plate and a second plate are installed on the top of the first permanent magnet and of the second permanent magnet, respectively, so as to form a plurality of magnetic circuits, minimize the thickness, and achieve high output.
Description
Technical field
The disclosure relates to thin and speaker unit that can realize high output, and the electronic instrument with this speaker unit.
Background technology
Present trend is, along with the gradually attenuation of development electronic instrument of technology.The display unit that is used for TV and monitor is made by thin LCD, LED and PDP in large quantities, and such as the portable display apparatus of notebook and portable terminal for portable and gradually attenuation.As mentioned above, the future development that reduces towards thickness such as the current electronic instrument of display unit.
Therefore, be installed in thinner that the thickness of the various parts on the electronic instrument also becomes, and especially, be installed in that loud speaker on the electronic instrument need to become thinner and can realize high output.
Summary of the invention
Therefore, embodiment of the present disclosure may relate to and is configured so that thickness minimizes and realize the speaker unit of high output.
Further, embodiment of the present disclosure also may relate to and having so that thickness minimizes and can realize the electronic instrument of the speaker unit of high output.
Treat to be not limited to above-mentioned technical problem by the technical problem that the disclosure solves, any other technical problem of not mentioning at present for those skilled in the art from the following description will clearly be understood.
In a general scheme of the present disclosure, a kind of speaker unit is provided, comprising: framework; Permanent magnet, it is inner that it is arranged in described framework; Voice coil loudspeaker voice coil, it is with the predetermined gap layout of the described permanent magnet of distance, and described voice coil loudspeaker voice coil moves both vertically by interacting with described permanent magnet; Damper, it flexibly supports described voice coil loudspeaker voice coil; And the diaphragm that is connected to described voice coil loudspeaker voice coil, wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the place, inboard of described voice coil loudspeaker voice coil; And second permanent magnet, it is arranged in the outside of described voice coil loudspeaker voice coil, and described the second permanent magnet is opposite with the polarity of described the first permanent magnet, and wherein yoke is installed in the bottom surface of described the first permanent magnet and described the second permanent magnet, and the first plate and the second plate are formed on the upper surface of described the first permanent magnet, and described the second plate is formed on the upper surface of described the second permanent magnet, thereby forms a plurality of magnetic circuits.
Preferably, but not necessarily, described the first permanent magnet adopts two distal end portions to be any shape in crooked track, circle, rectangle, ellipse and the polygon.Preferably, but not necessarily, described the second permanent magnet is arranged with winding form in the outer surface of described the first permanent magnet with predetermined gap.
Preferably, but not necessarily, described framework is formed with one or more air path at the place, bottom, thereby described air path is by having the amplitude that forms the control diaphragm for the thin slice in a plurality of holes of regulating air mass flow.
Preferably, but not necessarily, described damper is fastened to described framework at two distal end portion places, and the center side of damper adopts the shape of sheet spring to be fastened to the side surface of described coil support body.
Preferably, but not necessarily, thereby for providing flexible amplitude control member to be inserted between described framework and the described diaphragm, described diaphragm controls described amplitude.
In another general scheme of the present disclosure, a kind of electronic instrument with speaker unit is provided, described electronic instrument comprises: main body; Display unit, it is formed on the front surface place of described main body; And speaker unit, wherein said speaker unit comprises: framework; Permanent magnet, it is inner that it is arranged in described framework; Voice coil loudspeaker voice coil, it is with the predetermined gap layout of the described permanent magnet of distance, and described voice coil loudspeaker voice coil moves both vertically by interacting with described permanent magnet; Damper, it flexibly supports described voice coil loudspeaker voice coil; And the diaphragm that is connected to described voice coil loudspeaker voice coil, and wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the place, inboard of described voice coil loudspeaker voice coil; And second permanent magnet, it is arranged in the outside of described voice coil loudspeaker voice coil, and described the second permanent magnet has the opposite polarity polarity with described the first permanent magnet, and wherein, yoke is installed in the bottom surface of described the first permanent magnet and described the second permanent magnet, and the first plate and the second plate are formed on the upper surface of described the first permanent magnet, and the second plate is formed on the upper surface of described the second permanent magnet, thereby form a plurality of magnetic circuits.
The beneficial effect that has according to speaker unit of the present disclosure is, the first permanent magnet and the second permanent magnet are flatly arranged, and voice coil loudspeaker voice coil is inserted between described the first permanent magnet and described the second permanent magnet, and arranges that one or more at least magnetic circuits are to increase output and thickness is minimized.
Another beneficial effect is, the thin slice that is used for regulating air mass flow is formed on the air path place of framework, thereby therefore the amplitude of control loudspeaker can improve the performance of loud speaker.
Another beneficial effect is, thereby the amplitude control member is inserted in control amplitude between described framework and the described diaphragm, therefore can improve the performance of loud speaker.
Description of drawings
Fig. 1 shows the front view according to the loud speaker of exemplary embodiment of the present disclosure;
Fig. 2 shows the stereogram according to the loud speaker of exemplary embodiment of the present disclosure;
Fig. 3 shows the cutaway view according to the loud speaker of exemplary embodiment of the present disclosure;
Fig. 4 shows the rearview according to the loud speaker of exemplary embodiment of the present disclosure;
Fig. 5 is the cutaway view that the A-A line along Fig. 4 according to exemplary embodiment of the present disclosure is truncated to;
Fig. 6 shows the plane graph according to the open mode of the diaphragm of the loud speaker of exemplary embodiment of the present disclosure; And
Fig. 7 shows the plane graph according to the damper of exemplary embodiment of the present disclosure.
Embodiment
Hereinafter, with reference to the accompanying drawings each exemplary embodiment is further described in more detail, wherein shows some exemplary embodiments.Yet this creationary conception may be specialized in multiple different mode, and should not be interpreted as the restriction to the exemplary embodiment of setting forth herein.And these exemplary embodiments are provided to so that this explanation will be detailed in complete, and this creationary conception is fully conveyed to those skilled in the art.Unless otherwise defined, used term (comprising technology and scientific terminology) used herein has the equivalent of usually understanding with this creativeness conception those of ordinary skill in the field.It will also be understood that, the meaning of term as the term that limits in the general dictionary should be interpreted as having is with aggregatio mentium under the environment of correlation technique and will not be interpreted as the desirable or too formal meaning, unless clearly limit here.
Fig. 1 shows the front view according to the loud speaker of exemplary embodiment of the present disclosure, Fig. 2 shows the stereogram according to the loud speaker of exemplary embodiment of the present disclosure, and Fig. 3 shows the cutaway view according to the loud speaker of exemplary embodiment of the present disclosure.
Described electronic instrument 100 can be applied to be equipped with any electronic instrument of loud speaker, as comprises display unit, portable terminal and the portable display apparatus of TV and display.
Framework 10 can adopt various shapes according to the electronic instrument of installing, and adopts rectangular shape in exemplary embodiment of the present disclosure.Framework within it section is equipped with two voice output units with two voice coil loudspeaker voice coils 40.
Yet framework 10 within it section is equipped with a voice output unit, and perhaps section is equipped with two or more voice output unit within it.That is to say, the number of voice output unit can change according to condition and the shape of institute's installation electronic instrument.
Further, although exemplary embodiment of the present disclosure shows two voice output units on the longitudinal direction, voice output unit also can be arranged in a lateral direction.
Fig. 4 shows the rearview according to the loud speaker of exemplary embodiment of the present disclosure, and Fig. 5 is the cutaway view that the A-A line along Fig. 4 according to exemplary embodiment of the present disclosure is truncated to.
Framework 10 is formed with the rounded internal surface of semicircular in shape at two distal end portion places, and is formed with the upper surface opened so that diaphragm 60 to be installed.Framework 10 is formed with a plurality of air path 12 allowing air to enter framework 10 inside in bottom surface, and air path 12 is equipped with the thin slice 14 that can regulate air mass flow with the amplitude of control diaphragm 60.
Except semi-circular shape, that the inner surface of framework 10 can adopt is round-shaped, rectangular shape, polygonal shape or special-shaped angle shape.Further, except thin slice, framework 10 can be formed with a plurality of pores that can regulate framework self porosity.
In the situation that the punctulate thin slice 14 of tool is installed in air path 12 places, thereby the air that passes framework passes pore generation flow resistance, therefore can control the amplitude of diaphragm.
The rear surface of framework 10 is by fastening for the splicing ear 16 that supplies power to voice coil loudspeaker voice coil 14.Splicing ear 16 and voice coil loudspeaker voice coil 14 interconnect by electric wire 18, and framework 10 is formed with electric wire 18 and passes wherein electric wiring path 20.
Splicing ear 16 is arranged in two distal end portions of rear surface and the place, central rear surface of framework 10, so that in the situation that a plurality of speaker unit with straight line, easy to implemently is connected to loud speaker with electric power.
Thereby yoke 36 is formed on the place, rear surface of framework 10 and forms magnetic circuit with permanent magnet, and yoke 36 is fastening by described the first permanent magnet 32 at the place, inboard, and fastening by described the second permanent magnet 34 in the outside.Thereby the first plate 70 and the second plate 72 are formed on and form magnetic circuit on the upper surface of described the first permanent magnet 32 and described the second permanent magnet 34.
Therefore, form a magnetic circuit by the first permanent magnet 32, the second permanent magnet 34 and the first plate 70, and forming one magnetic path by the second permanent magnet 34, yoke 36 and the second plate 72, the loud speaker according to exemplary embodiment of the present disclosure can form a plurality of magnetic circuits thus.
Fig. 6 shows the plane graph according to the upper surface of the speaker unit of the separative diaphragm of tool of exemplary embodiment of the present disclosure.
The first permanent magnet 32 and the second permanent magnet 34 can be arranged with predetermined Interstitial Water level land on same plane surface, vertically and movably arrange between two permanent magnets 32 and 34 to allow voice coil loudspeaker voice coil 14.Therefore, because the first permanent magnet 32 and the second permanent magnet 34 flatly arrange on same plane surface, so thereby height and the width that can reduce loud speaker form a plurality of magnetic circuits.
The first permanent magnet 32 can be configured to adopt linearity configuration along two side surfaces that the longitudinal direction of framework 10 is arranged, and two side surfaces arranging along the horizontal direction of framework 10 adopt the trade shape that forms semicircle.Based on the shape of framework 10, the first permanent magnet 32 can adopt the shape such as circle, ellipse, rectangle, polygon and special-shaped angle changeably.
Further, the second permanent magnet 34 adopts the annular shape that is arranged in the outer surface of the first permanent magnet 32 with predetermined gap.That is to say, the second permanent magnet 34 adopts has the annular shape of the inner surface identical with the external surface shape of the first permanent magnet 32, and its Semi-polarity is opposite each other.That is to say, the polarity in the outside of the first permanent magnet 32 is in the situation of S, and the polarity of the inboard of the second permanent magnet is N.
Simultaneously, except the trade shape according to the shape of framework 10, the first permanent magnet 32 can adopt the shape of ellipse, circle, polygon and special-shaped angle changeably.Further, according to the shape of the first permanent magnet 32, the second permanent magnet 34 also can adopt the interior shape identical with the shape of the first permanent magnet.
Voice coil loudspeaker voice coil 40 is wrapped on the outer surface that is inserted in the coil support body 42 between the first permanent magnet 32 and the second permanent magnet 34.Voice coil loudspeaker voice coil 40 is electrically connected to splicing ear 16 by electric wire 18.Coil support body 42 adopts the cylinder body shape of central opening, and its outer surface is twined by voice coil loudspeaker voice coil 40.Coil support body 42 adopts the shape identical with the external shape of the first permanent magnet 32.That is to say, in the situation that the first permanent magnet 32 adopts trade shape, coil support body 42 also adopts trade shape, and in the situation that the first permanent magnet 32 adopts rectangular shape, coil support body 42 also adopts rectangular shape.
The upper surface of coil support body 42 is fastened to the basal surface of diaphragm 60, and wherein coil support body 42 and diaphragm 60 pass through adhesive bond.The upper surface of coil is formed with the adhesive surface on plane, and diaphragm 60 can join on this surface.
With reference to Fig. 7, damper 50 adopts thin sheet form, and damper 50 is made by having intrinsic flexible material.That is to say, damper 50 can form sheet spring shape and make by having flexible metal material.Damper 50 can form leaf and be made by intrinsic flexible other material that has except metal material.
Damper can comprise: support unit 52, and it is fastened to the surface of described coil support body 42 and flatly arranges; Flexible element 54, it forms from two distal end portions of described support unit 52 shape with bending, thereby and Flexible element 54 have elasticity and allow supporter 52 vertically mobile; And fixed cell 56, thereby its distal end portion place that is formed on described Flexible element 54 is fastened to described framework 10.Flexible element 54 forms with the shape of semicircle.
The amplitude control member 80 that is conducive to damping action (damper function) for the amplitude of control diaphragm 60 can be inserted between framework 10 and the diaphragm 60.The basal surface of amplitude control member 80 is fastened to framework 10, thereby and the upper surface of amplitude control member 80 basal surface that is fastened to diaphragm 60 elasticity is offered diaphragm 60, and when diaphragm 60 vertical vibration the amplitude of controlling diaphragm sheet 60.
It is thereby that the flat board that curved shape forms is realized thin structure that each diaphragm 60 forms an edge location in office, and diaphragm 60 is preferably made by high-intensity material such as material with carbon element.Thereby supporting member 62 is made the vertical vibration of supporting diaphragm 60 by the corrugated rubber material.
Now, will the operation of the speaker unit that configures according to exemplary embodiment of the present disclosure be described in detail.
When electric current selectively is applied to from the outside in the situation of voice coil loudspeaker voice coil 40, voice coil loudspeaker voice coil 40 interacts and vertically vibration with permanent magnet 30.The diaphragm 60 that joins voice coil loudspeaker voice coil 40 to vertically vibrates to sound.
At this moment, thus permanent magnet 30 can comprise the first permanent magnet 32 and the second permanent magnet 34 forms the output that a plurality of magnetic circuits increase loud speaker.
Further, thus the first permanent magnet 32 and the second permanent magnet 34 are flatly arranged the thickness that reduces loud speaker.The thin slice 14 of control air mass flow is formed on air path 12 places, when air passes the pore of thin slice 14, produces flow resistance thereby air penetrates and pass framework 10 by air path 12, therefore can control the amplitude of diaphragm 60.
Further, the damper 50 that flexibly supports voice coil loudspeaker voice coil 40 forms sheet spring shape, thereby strengthens the durability of loud speaker and the performance of loud speaker.
Thereby amplitude control member 80 is formed between framework 10 and the diaphragm 60 and helps damping action, therefore can effectively carry out the amplitude control of diaphragm 60.
Although in conjunction with a plurality of exemplary embodiments the disclosure is described, should be understood that, those skilled in the art can dream up, and many other modification and embodiment will drop among the spirit and scope of principle of the present disclosure.More particularly, the multiple variants and modifications in the layout of the component parts in disclosure scope, accompanying drawing and appended claims and/or objective cross layout is possible.Except the variants and modifications in component parts and/or the layout, interchangeable use is apparent for a person skilled in the art.
Claims (according to the modification of the 19th of treaty)
1.(revise)
A kind of speaker unit comprises: framework; Permanent magnet, it is inner that it is arranged in described framework; Voice coil loudspeaker voice coil, it is with the predetermined gap layout of the described permanent magnet of distance, and described voice coil loudspeaker voice coil moves both vertically by interacting with described permanent magnet; Damper, it flexibly supports described voice coil loudspeaker voice coil; And the diaphragm that is connected to described voice coil loudspeaker voice coil, wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the place, inboard of described voice coil loudspeaker voice coil; And second permanent magnet, it is arranged in the outside of described voice coil loudspeaker voice coil, and described the second permanent magnet is opposite with the polarity of described the first permanent magnet, and wherein yoke is installed in the bottom surface of described the first permanent magnet and described the second permanent magnet, and the first plate and the second plate are formed on the upper surface of described the first permanent magnet, and described the second plate is formed on the upper surface of described the second permanent magnet, thereby form a plurality of magnetic circuits, and wherein said voice coil loudspeaker voice coil is wrapped between described the first permanent magnet and described the second permanent magnet, be furnished with the coil support body for fixing described diaphragm, and described damper forms and is fastened to two side surfaces of described coil support body in pairs, and described damper forms with the line style sheet spring shape that two far-ends are fastened to described framework.
2.(do not change)
Speaker unit according to claim 1, any shape in track, circle, rectangle, ellipse and the polygon of the equal bending of wherein said two distal end portions of the first permanent magnet employing.
3.(do not change)
Speaker unit according to claim 2, wherein said the second permanent magnet is arranged with winding form in the outer surface of described the first permanent magnet with predetermined gap.
4.(do not change)
Speaker unit according to claim 1,
Wherein said the first permanent magnet and described the second permanent magnet are flatly arranged.
5.(do not change)
Speaker unit according to claim 2, wherein said the second permanent magnet adopts annular shape, and forms the shape identical with the outer surface of described the first permanent magnet at the inner surface place.
6.(do not change)
Speaker unit according to claim 1, wherein said yoke is fastened to the basal surface of described framework, and is fastening by described the first permanent magnet at the inner surface place, and fastening by described the second permanent magnet in outer surface.
7.(do not change)
Speaker unit according to claim 1, wherein said framework adopts rectangle, circle, polygon, special-shaped angle, track and oval-shaped shape in outer surface, and adopts all trade shape of bending of two distal end portions at the inner surface place.
8.(do not change)
Speaker unit according to claim 1, wherein said framework is fastening by applying electric power to the splicing ear of described voice coil loudspeaker voice coil in bottom surface, and described splicing ear is fastened at least any one position in the central authorities of two edges of basal surface of described framework and described framework.
9.(do not change)
Speaker unit according to claim 1, wherein said framework is formed with one or more air path at the place, bottom, thereby described air path forms the amplitude of controlling described diaphragm by the thin slice that has for a plurality of holes of regulating air mass flow, and perhaps described air path forms with the pore that can regulate described framework self air mass flow.
10.(do not change)
Speaker unit according to claim 9, wherein said thin slice is made by any material of the net that can regulate air mass flow, nonwoven fabrics and felt.
11.(deletion)
12.(deletion)
13.(revise)
Speaker unit according to claim 1, wherein said damper comprises: support unit, its described side surface and described support unit that is fastened to described coil support body adopts linearity configuration; Flexible element, it extends with the shape of bending two distal end portions from described support unit; And fixed cell, its distal end portion that is formed on described Flexible element is sentenced to be tightened to described framework.
14.(do not change)
Speaker unit according to claim 1, wherein the amplitude control member is inserted between described framework and the described diaphragm, thereby controls described amplitude and provide elasticity for described diaphragm.
15.(revise)
Speaker unit according to claim 14, wherein the amplitude control member is made by elastomeric material.
16.(revise)
A kind of electronic instrument, described electronic instrument comprises: main body; Display unit, it is formed on the front surface place of described main body; And speaker unit,
Wherein said speaker unit comprises: framework; Permanent magnet, it is inner that it is arranged in described framework; Voice coil loudspeaker voice coil, it is with the predetermined gap layout of the described permanent magnet of distance, and described voice coil loudspeaker voice coil moves both vertically by interacting with described permanent magnet; Damper, it flexibly supports described voice coil loudspeaker voice coil; And the diaphragm that is connected to described voice coil loudspeaker voice coil,
And wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the place, inboard of described voice coil loudspeaker voice coil; And second permanent magnet, it is arranged in the outside of described voice coil loudspeaker voice coil, and described the second permanent magnet is opposite with the polarity of described the first permanent magnet, and wherein, yoke is installed in the bottom surface of described the first permanent magnet and described the second permanent magnet, and the first plate and the second plate are formed on the upper surface of described the first permanent magnet, and described the second plate is formed on the upper surface of described the second permanent magnet, thereby form a plurality of magnetic circuits, and wherein said voice coil loudspeaker voice coil is wrapped between described the first permanent magnet and described the second permanent magnet, be furnished with the coil support body for fixing described diaphragm, and described damper forms and is fastened to two side surfaces of described coil support body in pairs, and described damper forms with the line style sheet spring shape that two far-ends are fastened to described framework.
Claims (16)
1. a speaker unit comprises: framework; Permanent magnet, it is inner that it is arranged in described framework; Voice coil loudspeaker voice coil, it is with the predetermined gap layout of the described permanent magnet of distance, and described voice coil loudspeaker voice coil moves both vertically by interacting with described permanent magnet; Damper, it flexibly supports described voice coil loudspeaker voice coil; And the diaphragm that is connected to described voice coil loudspeaker voice coil, wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the place, inboard of described voice coil loudspeaker voice coil; And second permanent magnet, it is arranged in the outside of described voice coil loudspeaker voice coil, and described the second permanent magnet is opposite with the polarity of described the first permanent magnet, and wherein yoke is installed in the bottom surface of described the first permanent magnet and described the second permanent magnet, and the first plate and the second plate are formed on the upper surface of described the first permanent magnet, and described the second plate is formed on the upper surface of described the second permanent magnet, thereby forms a plurality of magnetic circuits.
2. speaker unit according to claim 1, wherein said the first permanent magnet adopt all any shapes in crooked track, circle, rectangle, ellipse and the polygon of two distal end portions.
3. speaker unit according to claim 2, wherein said the second permanent magnet is arranged with winding form in the outer surface of described the first permanent magnet with predetermined gap.
4. speaker unit according to claim 1, wherein said the first permanent magnet and described the second permanent magnet are flatly arranged.
5. speaker unit according to claim 2, wherein said the second permanent magnet adopts annular shape, and forms the shape identical with the outer surface of described the first permanent magnet at the inner surface place.
6. speaker unit according to claim 1, wherein said yoke is fastened to the basal surface of described framework, and is fastening by described the first permanent magnet at the inner surface place, and fastening by described the second permanent magnet in outer surface.
7. speaker unit according to claim 1, wherein said framework adopts rectangle, circle, polygon, special-shaped angle, track and oval-shaped shape in outer surface, and adopts all crooked trade shape of two distal end portions at the inner surface place.
8. speaker unit according to claim 1, wherein said framework is fastening by applying electric power to the splicing ear of described voice coil loudspeaker voice coil in bottom surface, and described splicing ear is fastened at least any one position in the central authorities of two edges of basal surface of described framework and described framework.
9. speaker unit according to claim 1, wherein said framework is formed with one or more air path at the place, bottom, thereby described air path forms the amplitude of controlling described diaphragm by the thin slice that has for a plurality of holes of regulating air mass flow, and perhaps described air path forms with the pore that can regulate described framework self air mass flow.
10. speaker unit according to claim 9, wherein said thin slice is made by any material of the net that can regulate air mass flow, nonwoven fabrics and felt.
11. speaker unit according to claim 1, wherein said voice coil loudspeaker voice coil is wrapped on the outer surface that is arranged in the coil support body between described the first permanent magnet and described the second permanent magnet, and the upper surface of described coil support body is fastened to described diaphragm.
12. speaker unit according to claim 12, wherein said damper is fastened to described framework at two distal end portion places, and the center side of damper adopts the shape of sheet spring to be fastened to the side surface of described coil support body.
13. speaker unit according to claim 13, wherein said damper comprises: support unit, and its described side surface and described support unit that is fastened to described coil support body adopts linearity configuration; Flexible element, it extends with the shape of bending two distal end portions from described support unit; And fixed cell, its distal end portion that is formed on described Flexible element is sentenced to be tightened to described framework.
14. speaker unit according to claim 1, wherein the amplitude control member is inserted between described framework and the described diaphragm, thereby controls described amplitude and provide elasticity for described diaphragm.
15. speaker unit according to claim 5, wherein the amplitude control member is made by elastomeric material.
16. an electronic instrument, described electronic instrument comprises: main body; Display unit, it is formed on the front surface place of described main body; And speaker unit, wherein said speaker unit comprises: framework; Permanent magnet, it is inner that it is arranged in described framework; Voice coil loudspeaker voice coil, it is with the predetermined gap layout of the described permanent magnet of distance, and described voice coil loudspeaker voice coil moves both vertically by interacting with described permanent magnet; Damper, it flexibly supports described voice coil loudspeaker voice coil; And the diaphragm that is connected to described voice coil loudspeaker voice coil, and wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the place, inboard of described voice coil loudspeaker voice coil; And second permanent magnet, it is arranged in the outside of described voice coil loudspeaker voice coil, and described the second permanent magnet is opposite with the polarity of described the first permanent magnet, and wherein, yoke is installed in the bottom surface of described the first permanent magnet and described the second permanent magnet, and the first plate and the second plate are formed on the upper surface of described the first permanent magnet, and described the second plate is formed on the upper surface of described the second permanent magnet, thereby form a plurality of magnetic circuits.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0028678 | 2010-03-30 | ||
| KR1020100028678A KR101012299B1 (en) | 2010-03-30 | 2010-03-30 | Speaker device and electronic machine having the same |
| PCT/KR2010/002022 WO2011122721A1 (en) | 2010-03-30 | 2010-04-01 | Speaker device and electronic device having same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102959986A true CN102959986A (en) | 2013-03-06 |
| CN102959986B CN102959986B (en) | 2015-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080065835.5A Expired - Fee Related CN102959986B (en) | 2010-03-30 | 2010-04-01 | Speaker unit and there is the electronic instrument of this speaker unit |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101012299B1 (en) |
| CN (1) | CN102959986B (en) |
| WO (1) | WO2011122721A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641905A (en) * | 2020-06-15 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN113132867A (en) * | 2017-10-25 | 2021-07-16 | Ps音频设计公司 | Arrangement for generating vibrations and sound-generating device |
| CN114554360A (en) * | 2019-02-28 | 2022-05-27 | 乐金显示有限公司 | Electronic device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102422755B1 (en) * | 2017-11-09 | 2022-07-18 | 엘지디스플레이 주식회사 | Display apparatus |
| JP7208389B2 (en) * | 2018-11-16 | 2023-01-18 | 華為技術有限公司 | mobile computer |
| CN114363546A (en) * | 2020-10-13 | 2022-04-15 | 彭懋为 | Loudspeaking monomer using shuttle peg type electric coil axial driving magnet |
| CN115914951B (en) * | 2021-09-30 | 2024-06-25 | 华为技术有限公司 | Speaker and electronic equipment |
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|---|---|---|---|---|
| KR20020087008A (en) * | 2002-10-02 | 2002-11-21 | (주)이엠텍 | The inside combination structure of micro speaker for mobile communication terminal |
| CN1638528A (en) * | 2003-12-26 | 2005-07-13 | 东北先锋公司 | Loudspeaker unit, loudspeaker device and electronic machine |
| US20070092091A1 (en) * | 2005-10-20 | 2007-04-26 | Yamaha Corporation | Speaker driving apparatus |
| KR20080001615A (en) * | 2007-06-08 | 2008-01-03 | 신기음향 주식회사 | Speaker |
| CN101175339A (en) * | 2006-09-27 | 2008-05-07 | 张百良 | Driving system of loudspeaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960014433B1 (en) * | 1994-05-06 | 1996-10-15 | 주식회사 보성하이테크 | Piezo-electric transducers for low voice |
| KR100512692B1 (en) * | 2002-06-11 | 2005-09-07 | 주식회사 셀그린 | flowerpot for supply water automatically |
| KR200394963Y1 (en) | 2005-06-24 | 2005-09-06 | 부산대학교 산학협력단 | Micro speaker |
| KR100622566B1 (en) | 2005-12-13 | 2006-09-19 | 주식회사 삼부커뮤닉스 | Micro-speaker having twin voice coil |
-
2010
- 2010-03-30 KR KR1020100028678A patent/KR101012299B1/en active IP Right Grant
- 2010-04-01 WO PCT/KR2010/002022 patent/WO2011122721A1/en active Application Filing
- 2010-04-01 CN CN201080065835.5A patent/CN102959986B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020087008A (en) * | 2002-10-02 | 2002-11-21 | (주)이엠텍 | The inside combination structure of micro speaker for mobile communication terminal |
| CN1638528A (en) * | 2003-12-26 | 2005-07-13 | 东北先锋公司 | Loudspeaker unit, loudspeaker device and electronic machine |
| US20070092091A1 (en) * | 2005-10-20 | 2007-04-26 | Yamaha Corporation | Speaker driving apparatus |
| CN101175339A (en) * | 2006-09-27 | 2008-05-07 | 张百良 | Driving system of loudspeaker |
| KR20080001615A (en) * | 2007-06-08 | 2008-01-03 | 신기음향 주식회사 | Speaker |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113132867A (en) * | 2017-10-25 | 2021-07-16 | Ps音频设计公司 | Arrangement for generating vibrations and sound-generating device |
| CN113132867B (en) * | 2017-10-25 | 2022-07-26 | Ps音频设计公司 | Arrangement for generating vibrations and sound-generating device |
| CN114554360A (en) * | 2019-02-28 | 2022-05-27 | 乐金显示有限公司 | Electronic device |
| CN114554360B (en) * | 2019-02-28 | 2024-05-14 | 乐金显示有限公司 | Electronic equipment |
| CN111641905A (en) * | 2020-06-15 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sound production device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101012299B1 (en) | 2011-02-08 |
| CN102959986B (en) | 2015-10-14 |
| WO2011122721A1 (en) | 2011-10-06 |
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