CN102959986B - Speaker unit and there is the electronic instrument of this speaker unit - Google Patents
Speaker unit and there is the electronic instrument of this speaker unit Download PDFInfo
- Publication number
- CN102959986B CN102959986B CN201080065835.5A CN201080065835A CN102959986B CN 102959986 B CN102959986 B CN 102959986B CN 201080065835 A CN201080065835 A CN 201080065835A CN 102959986 B CN102959986 B CN 102959986B
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- permanent magnet
- voice coil
- framework
- loudspeaker voice
- coil loudspeaker
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- 230000001276 controlling effect Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 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
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
-
- 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
Landscapes
- 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 kind of speaker unit, it comprises: framework; Permanent magnet, it is arranged in lower portion; Voice coil loudspeaker voice coil, it is arranged with the specific gap of distance permanent magnet, and voice coil loudspeaker voice coil moves both vertically by interacting with permanent magnet; Damper, it flexibly supports voice coil loudspeaker voice coil; And be connected to the diaphragm of voice coil loudspeaker voice coil.Permanent magnet configuration is the inner side place making the first permanent magnet be arranged in voice coil loudspeaker voice coil, and the second permanent magnet is arranged in the outside of voice coil loudspeaker voice coil, and described second permanent magnet is contrary with the polarity of described first permanent magnet.Yoke is arranged on the bottom surface of the first permanent magnet and the second permanent magnet, and the first plate and the second plate are arranged on the upper surface of the first permanent magnet and the upper surface of the second permanent magnet respectively, thus form multiple magnetic circuit, make minimizing thickness and realize high output.
Description
Technical field
The disclosure relates to thin and can realize the high speaker unit exported, and has the electronic instrument of this speaker unit.
Background technology
Current trend is, along with the development electronic instrument of technology is thinning gradually.Display unit for TV and monitor is made up of thin LCD, LED and PDP in large quantities, and if the portable display apparatus of notebook and portable terminal is in order to portable and thinning gradually.As mentioned above, the future development that the Current electronic instrument as display unit reduces towards thickness.
Therefore, it is thinner that the thickness being arranged on the various parts on electronic instrument also becomes, and especially, the loud speaker be arranged on electronic instrument needs the thinner of change and can realize high output.
Summary of the invention
Therefore, embodiment of the present disclosure may relate to the speaker unit being configured so that minimizing thickness and realizing height output.
Further, embodiment of the present disclosure also may relate to the electronic instrument having and make minimizing thickness and can realize the high speaker unit exported.
Treat that the technical problem solved by the disclosure is not limited to above-mentioned technical problem, other technical problem any do not mentioned at present for those skilled in the art from the following description will clearly be understood.
In a general scheme of the present disclosure, provide a kind of speaker unit, comprising: framework; Permanent magnet, it is arranged in described lower portion; Voice coil loudspeaker voice coil, it is arranged with the gap predetermined apart from described permanent magnet, 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 be connected to the diaphragm of described voice coil loudspeaker voice coil, wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the inner side place 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 second permanent magnet is contrary with the polarity of described first permanent magnet, and wherein yoke is arranged on the bottom surface of described first permanent magnet and described second permanent magnet, and the first plate and the second plate are formed on the upper surface of described first permanent magnet, and described second plate is formed on the upper surface of described second permanent magnet, thus form multiple magnetic circuit.
Preferably, but not necessarily, described first permanent magnet adopts two distal end portions to be any one shape in bending track, circle, rectangle, ellipse and polygon.Preferably, but not necessarily, described second permanent magnet is arranged with winding form with the outer surface of predetermined gap at described first permanent magnet.
Preferably, but not necessarily, described framework is formed with one or more air path at bottom place, and described air path is formed by the thin slice in the multiple holes had for regulating air mass flow thus controls the amplitude of diaphragm.
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, provide flexible amplitude controlling component to be inserted between described framework and described diaphragm for described diaphragm thus control described amplitude.
In another general scheme of the present disclosure, provide a kind of electronic instrument with speaker unit, described electronic instrument comprises: main body; Display unit, it is formed in the front surface place of described main body; And speaker unit, wherein said speaker unit comprises: framework; Permanent magnet, it is arranged in described lower portion; Voice coil loudspeaker voice coil, it is arranged with the gap predetermined apart from described permanent magnet, 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 be connected to the diaphragm of described voice coil loudspeaker voice coil, and wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the inner side place 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 second permanent magnet has the opposite polarity polarity with described first permanent magnet, and wherein, yoke is arranged on the bottom surface of described first permanent magnet and described second permanent magnet, and the first plate and the second plate are formed on the upper surface of described first permanent magnet, and the second plate is formed on the upper surface of described second permanent magnet, thus forms multiple magnetic circuit.
Be according to the beneficial effect that speaker unit of the present disclosure has, first permanent magnet and the second permanent magnet are flatly arranged, and voice coil loudspeaker voice coil is inserted between described first permanent magnet and described second permanent magnet, and arrange that at least one or more magnetic circuit exports to increase and makes minimizing thickness.
Another beneficial effect is, for the air path place regulating the thin slice of air mass flow to be formed in framework, thus the amplitude of control loudspeaker, therefore, it is possible to improve the performance of loud speaker.
Another beneficial effect is, amplitude controlling component to be inserted between described framework and described diaphragm thus to control amplitude, therefore, it is possible to improve the performance of loud speaker.
Accompanying drawing explanation
Fig. 1 shows the front view of the loud speaker according to exemplary embodiment of the present disclosure;
Fig. 2 shows the stereogram of the loud speaker according to exemplary embodiment of the present disclosure;
Fig. 3 shows the cutaway view of the loud speaker according to exemplary embodiment of the present disclosure;
Fig. 4 shows the rearview of the loud speaker according to exemplary embodiment of the present disclosure;
Fig. 5 is the cutaway view be truncated to along the A-A line of Fig. 4 according to exemplary embodiment of the present disclosure;
Fig. 6 shows the plane graph of the open mode of the diaphragm of the loud speaker according to exemplary embodiment of the present disclosure; And
Fig. 7 shows the plane graph of the damper according to exemplary embodiment of the present disclosure.
Embodiment
Hereinafter, with reference to the accompanying drawings each exemplary embodiment is further described in more detail, illustrated therein is some exemplary embodiments.But this creationary conception may be specialized in a number of different manners, and should not be interpreted as the restriction to the exemplary embodiment set forth herein.And these exemplary embodiments are provided to make this explanation to be detailed in complete, and this creationary conception is fully conveyed to those skilled in the art.Unless otherwise defined, term used used herein (comprising technology and scientific terminology) has the equivalent conceived those of ordinary skill in the field with this creativeness and usually understand.It will also be understood that, the meaning of term as the term limited in general dictionary should be interpreted as having, consistent with the meaning under the environment of correlation technique and will not be interpreted as the desirable or too formal meaning, unless clearly limited here.
Fig. 1 shows the front view of the loud speaker according to exemplary embodiment of the present disclosure, Fig. 2 shows the stereogram of the loud speaker according to exemplary embodiment of the present disclosure, and Fig. 3 shows the cutaway view of the loud speaker according to exemplary embodiment of the present disclosure.
Electronic instrument 100 comprises: main body 110, and it is embedded with multiple circuit component; Display (or display unit) 120, it is arranged in before described main body 110 with display information; And speaker unit 130, its two cross sides being arranged on described main body 110 are to produce sound.
Described electronic instrument 100 can be applied to any electronic instrument being provided with loud speaker, as comprised the display unit of TV and display, portable terminal and portable display apparatus.
Speaker unit 130 according to exemplary embodiment of the present disclosure comprises: framework 10; Permanent magnet 30, it is inner that it is arranged in framework 10; Voice coil loudspeaker voice coil 40, it is arranged with the gap that distance permanent magnet 30 is predetermined, and voice coil loudspeaker voice coil 40 produces vertical amplitude by interacting with permanent magnet 30 when a power is applied; Damper 50, it flexibly supports voice coil loudspeaker voice coil 40; And diaphragm 60, it is connected to voice coil loudspeaker voice coil 40 and is arranged on framework 10.
Framework 10 can adopt various shape according to installed electronic instrument, and adopts rectangular shape in an exemplary embodiment of the disclosure.Framework is provided with two voice output units with two voice coil loudspeaker voice coils 40 therein.
But framework 10 can be provided with a voice output unit therein, or the voice output unit of two or more can be installed therein.That is, the number of voice output unit can change according to the condition of installed electronic instrument and shape.
Further, although exemplary embodiment of the present disclosure shows two voice output units on longitudinal direction, voice output unit also can be arranged in a lateral direction.
Fig. 4 shows the rearview of the loud speaker according to exemplary embodiment of the present disclosure, and Fig. 5 is the cutaway view be truncated to along the A-A line of Fig. 4 according to exemplary embodiment of the present disclosure.
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 to install diaphragm 60.It is inner to allow air to enter framework 10 that framework 10 is formed with multiple air path 12 in bottom surface, and air path 12 is provided with and the thin slice 14 of air mass flow can be regulated to control the amplitude of diaphragm 60.
Except semi-circular shape, the inner surface of framework 10 can adopt round-shaped, rectangular shape, polygonal shape or special-shaped angle shape.Further, except thin slice, framework 10 can be formed can multiple pores of adjusting frame self porosity.
Thin slice 14 is formed by the material with the multiple pores allowing air to pass, and the size of each pore can set the needs meeting air mass flow changeably.
Thin slice 14 can changeably by the punctulate net of the tool of air mass flow, nonwoven fabrics and/or felt can be regulated to make.
When the punctulate thin slice 14 of tool is arranged on air path 12 place, the air through framework passes pore thus produces flow resistance, therefore, it is possible to control the amplitude of diaphragm.
The rear surface of framework 10 is fastening by the splicing ear 16 for supplying power to voice coil loudspeaker voice coil 14.Splicing ear 16 and voice coil loudspeaker voice coil 14 are interconnected by electric wire 18, and framework 10 is formed with electric wire 18 through electric wiring path 20 wherein.
Splicing ear 16 is arranged in two distal end portions and the central rear surface place of the rear surface of framework 10, makes when multiple speaker unit is with straight line, easy to implement electric power is connected to loud speaker.
Permanent magnet 30 comprises: the first permanent magnet 32, and it is arranged in the inner side place of described voice coil loudspeaker voice coil 40; And second permanent magnet 34, it is arranged in the outside of described voice coil loudspeaker voice coil 14, and described second permanent magnet 34 has the opposite polarity polarity with described first permanent magnet 32.
Yoke 36 is formed in the rear surface place of framework 10 thus forms magnetic circuit together with permanent magnet, and yoke 36 is fastening by described first permanent magnet 32 at inner side place, and fastening by described second permanent magnet 34 in outside.The upper surface that first plate 70 and the second plate 72 are formed in described first permanent magnet 32 and described second permanent magnet 34 forms magnetic circuit.
Therefore, a magnetic circuit is formed by the first permanent magnet 32, second permanent magnet 34 and the first plate 70, and form one magnetic path by the second permanent magnet 34, yoke 36 and the second plate 72, multiple magnetic circuit can be formed according to the loud speaker of exemplary embodiment of the present disclosure thus.
Fig. 6 shows the plane graph of the upper surface of the speaker unit according to the separative diaphragm of the tool of exemplary embodiment of the present disclosure.
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 are flatly arranged on same plane surface, so the height of loud speaker and width can be reduced thus form multiple magnetic circuit.
First permanent magnet 32 can be configured so that two side surfaces arranged along the longitudinal direction of framework 10 adopt linearity configurations, and is formed as the trade shape of semicircle along two side surfaces employings that the horizontal direction of framework 10 is arranged.Based on the shape of framework 10, the first permanent magnet 32 can adopt the shape as circle, ellipse, rectangle, polygon and special-shaped angle changeably.
Further, the second permanent magnet 34 adopts the annular shape of the outer surface being arranged in the first permanent magnet 32 with predetermined gap.That is, the second permanent magnet 34 adopts the annular shape with 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, when the polarity in the outside of the first permanent magnet 32 is S, the polarity of the inner side of the second permanent magnet is N.
Meanwhile, except the trade shape of the shape according to 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 of the coil support body 42 be inserted 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 wound around 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, when the first permanent magnet 32 adopts trade shape, coil support body 42 also adopts trade shape, and when 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 of plane, and diaphragm 60 can join this on the surface.
Damper 50 is formed in couples, and one of them damper is fastened to a side surface of coil support body 42, and another damper is fastened to another side surface of coil support body 42.Two distal end portions of damper 50 are all fastened to framework 10.
With reference to Fig. 7, damper 50 adopts thin sheet form, and damper 50 is made by having intrinsic flexible material.That is, damper 50 can be formed as sheet spring shape and make by having flexible metal material.Damper 50 can be formed as leaf and be made up of intrinsic other material flexible 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 is formed with bending shape from two distal end portions of described support unit 52, and Flexible element 54 has elasticity thus allows supporter 52 vertically to move; And fixed cell 56, it is formed in the distal end portion place of described Flexible element 54 thus is fastened to described framework 10.Flexible element 54 is formed with the shape of semicircle.
Damper 50 according to exemplary embodiment of the present disclosure is flatly arranged together with framework 10, and damper 50 adopts and leafly to minimize to make to take up room, and therefore can not affect the thickness of loud speaker.Damper 50 adopts the shape of the sheet spring of metal material, even if elasticity is constant due to the passage with service time, thus makes speaker performance maintain constant level.
For controlling the amplitude of diaphragm 60 and the amplitude controlling component 80 being conducive to damping action (damper function) can be inserted between framework 10 and diaphragm 60.The basal surface of amplitude controlling component 80 is fastened to framework 10, and the upper surface of amplitude controlling component 80 is fastened to the basal surface of diaphragm 60 thus elasticity is supplied to diaphragm 60, and when diaphragm 60 vertical vibration the amplitude of controlling diaphragm sheet 60.
Amplitude controlling component 80 can be made up of any material with elasticity and recuperability, such as elastomeric material and have flexible porous polyethylene.
Diaphragm 60 is formed in the flat board on the upper surface being arranged in framework 10, and the supporting member 62 of the upper surface of bonded to frame 10 is arranged in the edge of framework thus allows diaphragm 60 vertically with supporting to vibrate.
Each diaphragm 60 is formed as a fringe region place in office and is the flat board that formed of curved shape thus realizes thin structure, and diaphragm 60 is preferably made up of material such as the material with carbon element of high strength.Supporting member 62 is made up of corrugated rubber material thus is supported the vertical vibration of diaphragm 60.
Now, be described in detail to the operation of the speaker unit configured according to exemplary embodiment of the present disclosure.
When electric current to be selectively applied to voice coil loudspeaker voice coil 40 from outside, voice coil loudspeaker voice coil 40 and permanent magnet 30 interact and vertically vibrate.The diaphragm 60 joining voice coil loudspeaker voice coil 40 to vertically vibrates to sound.
Now, permanent magnet 30 can comprise the first permanent magnet 32 and the second permanent magnet 34 thus form multiple magnetic circuit to increase the output of loud speaker.
Further, the first permanent magnet 32 and the second permanent magnet 34 are flatly arranged thus are reduced the thickness of loud speaker.The thin slice 14 controlling air mass flow is formed in air path 12 place, and when air passes the pore of thin slice 14, air penetrates and passes framework 10 by air path 12 thus produces flow resistance, therefore, it is possible to control the amplitude of diaphragm 60.
Further, the damper 50 flexibly supporting voice coil loudspeaker voice coil 40 is formed as sheet spring shape, thus strengthens the durability of loud speaker and the performance of loud speaker.
Amplitude controlling component 80 to be formed between framework 10 and diaphragm 60 thus to contribute to damping action, therefore, it is possible to effectively perform the amplitude controlling of diaphragm 60.
Although be described the disclosure in conjunction with multiple exemplary embodiment, should be understood that, those skilled in the art can dream up many other amendment and embodiment by drop on principle of the present disclosure spirit and scope among.More particularly, the multiple variants and modifications in the layout that the component parts in disclosure scope, accompanying drawing and appended claims and/or objective cross are arranged is possible.Except component parts and/or the variants and modifications in arranging, interchangeable use is apparent for a person skilled in the art.
Claims (12)
1. a speaker unit, comprising: framework; Permanent magnet, it is arranged in described lower portion; Voice coil loudspeaker voice coil, it is arranged with the gap predetermined apart from described permanent magnet, and described voice coil loudspeaker voice coil moves both vertically by interacting with described permanent magnet; Damper, it is formed by having flexible metal material and supports described voice coil loudspeaker voice coil; And be connected to the diaphragm of described voice coil loudspeaker voice coil, wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the inner side place 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 second permanent magnet is contrary with the polarity of described first permanent magnet, wherein yoke is arranged on the bottom surface of described first permanent magnet and described second permanent magnet, and the first plate and the second plate are formed on the upper surface of described first permanent magnet, and described second plate is formed on the upper surface of described second permanent magnet, thus form multiple magnetic circuit
Wherein said voice coil loudspeaker voice coil is wrapped on the outer surface of the coil support body be arranged between described first permanent magnet and described second permanent magnet, and the upper surface of described coil support body is fastened to described diaphragm,
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,
Wherein said yoke is fastened to the basal surface of described framework, fastening by described first permanent magnet at inner surface place, and fastening by described second permanent magnet in outer surface,
Wherein said framework is fastening to the splicing ear of described voice coil loudspeaker voice coil by applying electric power in bottom surface, and described splicing ear is fastened at least any one position in two edges of the basal surface of described framework and the central authorities of described framework.
2. speaker unit according to claim 1, any one shape in track, circle, rectangle, ellipse and polygon that wherein said first permanent magnet adopts two distal end portions all to bend.
3. speaker unit according to claim 2, wherein said second permanent magnet is arranged with winding form with the outer surface of predetermined gap at described first permanent magnet.
4. speaker unit according to claim 1, wherein said first permanent magnet and described second permanent magnet are flatly arranged.
5. speaker unit according to claim 2, wherein said second permanent magnet adopts annular shape, and is formed as the shape identical with the outer surface of described first permanent magnet at inner surface place.
6. speaker unit according to claim 1, wherein said framework adopts the shape of rectangle, circle, polygon, special-shaped angle, track and ellipse in outer surface, and the trade shape adopting two distal end portions all to bend at inner surface place.
7. speaker unit according to claim 1, wherein said framework is formed with one or more air path at bottom place, described air path is formed by the thin slice in the multiple holes had for regulating air mass flow thus controls the amplitude of described diaphragm, or described air path with the pore of self air mass flow of described framework can be regulated to form.
8. speaker unit according to claim 7, wherein said thin slice is made by regulating any one material of the net of air mass flow, nonwoven fabrics and felt.
9. speaker unit according to claim 1, wherein said damper comprises: support unit, and it is fastened to the described side surface of described coil support body and described support unit adopts linearity configuration; Flexible element, it extends with two distal end portions of bending shape from described support unit; And fixed cell, its distal end portion being formed in described Flexible element is sentenced to be tightened to described framework.
10. speaker unit according to claim 1, wherein amplitude controlling component is inserted between described framework and described diaphragm, thus controls described amplitude and provide elasticity for described diaphragm.
11. speaker units according to claim 10, wherein amplitude controlling component is made up of elastomeric material.
12. 1 kinds of electronic instruments, described electronic instrument comprises: main body; Display unit, it is formed in the front surface place of described main body; And speaker unit, wherein said speaker unit comprises: framework; Permanent magnet, it is arranged in described lower portion; Voice coil loudspeaker voice coil, it is arranged with the gap predetermined apart from described permanent magnet, and described voice coil loudspeaker voice coil moves both vertically by interacting with described permanent magnet; Damper, it is formed by having flexible metal material and supports described voice coil loudspeaker voice coil; And be connected to the diaphragm of described voice coil loudspeaker voice coil, wherein, described permanent magnet comprises: the first permanent magnet, and it is arranged in the inner side place 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 second permanent magnet is contrary with the polarity of described first permanent magnet, wherein, yoke is arranged on the bottom surface of described first permanent magnet and described second permanent magnet, and the first plate and the second plate are formed on the upper surface of described first permanent magnet, and described second plate is formed on the upper surface of described second permanent magnet, thus form multiple magnetic circuit
Wherein said voice coil loudspeaker voice coil is wrapped on the outer surface of the coil support body be arranged between described first permanent magnet and described second permanent magnet, and the upper surface of described coil support body is fastened to described diaphragm,
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,
Wherein said yoke is fastened to the basal surface of described framework, fastening by described first permanent magnet at inner surface place, and fastening by described second permanent magnet in outer surface,
Wherein said framework is fastening to the splicing ear of described voice coil loudspeaker voice coil by applying electric power in bottom surface, and described splicing ear is fastened at least any one position in two edges of the basal surface of described framework and the central authorities of described framework.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100028678A KR101012299B1 (en) | 2010-03-30 | 2010-03-30 | Speaker device and electronic machine having the same |
| KR10-2010-0028678 | 2010-03-30 | ||
| 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 CN102959986A (en) | 2013-03-06 |
| CN102959986B true CN102959986B (en) | 2015-10-14 |
Family
ID=43777067
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) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102648129B1 (en) * | 2017-10-25 | 2024-03-18 | 피에스 오디오 디자인 오와이 | transducer device |
| KR102422755B1 (en) * | 2017-11-09 | 2022-07-18 | 엘지디스플레이 주식회사 | Display apparatus |
| US11929775B2 (en) | 2018-11-16 | 2024-03-12 | Huawei Technologies Co., Ltd. | Mobile terminal |
| TW202333021A (en) * | 2019-02-28 | 2023-08-16 | 南韓商樂金顯示科技股份有限公司 | Electronic apparatus |
| CN111641905A (en) * | 2020-06-15 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN115914951A (en) * | 2021-09-30 | 2023-04-04 | 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 |
| 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 |
Family Cites Families (5)
| 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 |
| JP4289343B2 (en) * | 2005-10-20 | 2009-07-01 | ヤマハ株式会社 | Speaker drive device |
| 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 (4)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101012299B1 (en) | 2011-02-08 |
| WO2011122721A1 (en) | 2011-10-06 |
| CN102959986A (en) | 2013-03-06 |
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