CN102638752B - High-power ultrathin speaker - Google Patents
High-power ultrathin speaker Download PDFInfo
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- CN102638752B CN102638752B CN201210148048.8A CN201210148048A CN102638752B CN 102638752 B CN102638752 B CN 102638752B CN 201210148048 A CN201210148048 A CN 201210148048A CN 102638752 B CN102638752 B CN 102638752B
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Abstract
The invention relates to a high-power ultrathin speaker which comprises a basin frame, an U iron, a magnetic body, a magnet pole core, a voice coil, a positioning branch piece, a voice coil and a wiring board, the high-power ultrathin speaker is characterized in that the positioning branch piece comprises an inner ring and an outer ring which are coaxially arranged, wherein the inner ring is connected with the outer ring through at least two movable arms which have concurrent structures and are arranged between the inner ring and the outer ring in an integrated manner; the bottom of the basin frame is provided with a lug boss, the outer ring of the positioning branch piece is supported on the lug boss, and the lower surface of the outer ring is closely combined with the upper surface of the lug boss; the outer ring is provided with two gaps used for a lead of the wiring board to pass through; the voice coil is arranged above the positioning branch piece, the lower surface of the voice coil is closely connected with the upper surface of the inner ring, and a gap exists between the inner wall of the inner ring and the outer wall of the voice coil; and the voice coil upward passes through the center of the inner ring of the positioning branch piece, the top of the voice coil is closely combined with the lower surface of the voice coil, and the outer wall of the voice coil and the inner ring of the positioning branch piece keep a distance. The high-power ultrathin speaker provided by the invention has the advantages that the structure is thinner, the received power is larger, and the timbre is better.
Description
Technical field
The invention belongs to electroacoustic techniques field, relate to a kind of loud speaker, specifically a kind of electrodynamic type high-power ultra-thin loudspeaker.
Background technology
In prior art, be applied to the loud speaker of the thin flat type video equipment such as LED, 3D TV, the general structure that adopts taper film-type sound basin to coordinate wavy positioning support chip, offer centre bore at taper film-type Yin Pen center, the wavy positioning support chip that is provided with equally centre bore is arranged on the below of film-type sound basin, voice coil loudspeaker voice coil penetrates the centre bore of film-type sound basin and locating branch slice, combined closely on the outer wall of voice coil loudspeaker voice coil in film-type Yin Pen center and locating branch slice center, form the vibrational system of loud speaker.But the loud speaker of this structure is totally thicker, be not suitable for requiring thinner panel TV product application.And be applied to the Microspeaker product in the products such as mobile phone, have directly voice coil loudspeaker voice coil is fixed on to the design on film-type sound basin, drive voice coil loudspeaker voice coil to move up and down at magnetic gap by magnetic circuit, voice coil loudspeaker voice coil promotes film-type sound basin radiation sound, although it is very thin that this structure without locating branch slice can ensure that loud speaker does, but because only depending on rigidity and the damping of film-type sound basin self, voice coil loudspeaker voice coil locates, make loud speaker film-type sound basin self deformation in the time of input large-signal, cause loudspeaker voice coil touching magnetic gap, produce abnormal sound, loudspeaker distortions is strengthened, even cannot work, this technology cannot meet the high-power of panel TV loud speaker, high tone quality requirement.
Summary of the invention
The object of the invention is to for above shortcomings in prior art, provide a kind of structure ingenious rational high-power ultra-thin loudspeaker, this loud speaker adopts the orientation sheet-supporting structure with moveable arm, voice coil loudspeaker voice coil and locating branch slice are no longer combined closely by traditional mode, loadspeaker structure is thinner, can bear more powerfully, tonequality is better.
According to technical scheme provided by the invention: high-power ultra-thin loudspeaker, comprise basin frame, U iron, magnet, magnetic pole core, voice coil loudspeaker voice coil, locating branch slice, sound basin and terminal block, U ferropexy is arranged on basin frame bottom centre position, magnet and magnetic pole core are installed in U iron, magnet lower surface and U iron bottom interior surface are combined closely, the magnet upper surface magnetic pole core of combining closely, leaves magnetic gap between the outer wall of described magnet and magnetic pole core and the inwall of U iron; Voice coil loudspeaker voice coil is looped around around magnet and magnetic pole core, between the inwall of voice coil loudspeaker voice coil and magnet and the outer wall of magnetic pole core, leaves gap, the same gap of leaving between the outer wall of voice coil loudspeaker voice coil and the inwall of U iron; It is characterized in that: described locating branch slice comprises inner ring and the outer ring of coaxial setting, inner ring and outer ring connect by the consistent moveable arm one of at least two-strip structure being arranged between them, described moveable arm one end is fixedly connected with the outer rim of inner ring, and the moveable arm other end is fixedly connected with the inner edge of outer ring; Described basin frame bottom is provided with lug boss, the outer ring of described locating branch slice is supported on this lug boss, the lower surface of described outer ring and the upper surface of lug boss are combined closely, and described outer ring is provided with two breach, and the both positive and negative polarity of voice coil leads is connected conducting by breach with the lead-in wire of terminal block respectively; Described sound basin is arranged on locating branch slice top, and sound basin relies on locating branch slice to support, and the lower surface of sound basin and the upper surface of inner ring are combined closely, and the inwall of described inner ring and the outer wall of voice coil loudspeaker voice coil leave gap; Described voice coil loudspeaker voice coil upwards passes from the inner ring center of locating branch slice, the lower surface of voice coil loudspeaker voice coil top and sound basin is combined closely, and the inner ring of voice coil loudspeaker voice coil outer wall and locating branch slice maintains distance, when terminal block input audio signal, voice coil loudspeaker voice coil directly drives sound basin to move up and down in magnetic gap, promotes sound basin vibration sounding.
As a further improvement on the present invention, described moveable arm comprises moveable arm body and connector, described moveable arm body is corrugated elongate body, moveable arm body is parallel with inner ring with the outer ring of locating branch slice, and moveable arm body two ends are fixedly connected with the outer rim of inner ring, the inner edge of outer ring by connector respectively.
As a further improvement on the present invention, described U iron top sides is along extending bead to central horizontal, and described bead inwall and voice coil loudspeaker voice coil outer wall leave gap.
As a further improvement on the present invention, described sound basin comprises sound basin body and the sound basin ring that is arranged on sound basin body periphery, and described sound basin body is planar sheet, and sound basin body outward flange and sound basin ring inward flange are combined closely; The shape of cross section of described sound basin ring is the arcs of recesses to basin frame inner bottom part direction depression, in the concave arc of sound basin ring upper surface, be provided with several reinforcements, the shape of described reinforcement is consistent with the concave arc radian of sound basin ring, and reinforcement top does not exceed the highest plane of sound basin upper surface.
As a further improvement on the present invention, described basin frame bottom centre position is provided with centre bore, and the very tight closely packed of described U is assigned in centre bore, and U iron bottom flushes with basin frame bottom.
As a further improvement on the present invention, described locating branch slice adopts plastic material to make.Preferably, described locating branch slice adopts thermoplastic elastomer TPE to make.
The present invention compared with prior art, advantage is: (1), structure of the present invention are ingenious rationally, adopt novel orientation sheet-supporting structure, the inner ring of locating branch slice is connected by moveable arm one with outer ring, moveable arm plays the effect of spring-like, the in the situation that of fixing in outer ring, inner ring has good springiness, antifatigue, features such as being linearity moves up and down.(2), between voice coil loudspeaker voice coil and locating branch slice, no longer combine closely by traditional mode, but maintain distance, increase like this Oscillation Amplitude of sound basin, ensure the elasticity of vibrational system, under the prerequisite of structure slimming, effectively reduce distortion phenomenon when loud speaker is inputted large-signal, strengthened reliability and the low frequency radiation performance of loud speaker.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the perspective view of Fig. 1.
Fig. 3 is assembling schematic diagram of the present invention.
Fig. 4 is locating branch slice and sound basin in conjunction with one of cutaway view of situation.
Fig. 5 is the stereogram of locating branch slice.
Description of reference numerals: 1-basin frame, 1a-lug boss, 2-U iron, 2a-bead, 3-magnet, 4-magnetic pole core, 5-voice coil loudspeaker voice coil, 6-locating branch slice, 6a-moveable arm, 6a.1-moveable arm body, 6a.2-connector, 6b-inner ring, 6c-outer ring, 6d-breach, 7-sound basin, 7a-sound basin body, 7b-sound basin ring, 7c-reinforcement, 8-terminal block.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the high-power ultra-thin loudspeaker in embodiment is mainly made up of basin frame 1, U iron 2, magnet 3, magnetic pole core 4, voice coil loudspeaker voice coil 5, locating branch slice 6, sound basin 7 and terminal block 8.
As shown in Fig. 1 ~ Fig. 3, described basin frame 1 bottom centre position is provided with centre bore, and described U iron 2 close fit are in centre bore, and U iron 2 bottoms flush with basin frame 1 bottom; The interior installation magnet 3 of U iron 2 and magnetic pole core 4, magnet 3 lower surfaces and U iron 2 bottom interior surfaces are combined closely, and the magnet 3 upper surfaces magnetic pole core 4 of combining closely, leaves magnetic gap between the outer wall of described magnet 3 and magnetic pole core 4 and the inwall of U iron 2; Voice coil loudspeaker voice coil 5 is looped around around magnet 3 and magnetic pole core 4, between the inwall of voice coil loudspeaker voice coil 5 and magnet 3 and the outer wall of magnetic pole core 4, leaves gap, the same gap of leaving between the outer wall of voice coil loudspeaker voice coil 5 and the inwall of U iron 2.In the present invention, described U iron 2 top sides are along extending bead 2a to central horizontal, and described bead 2a inwall and voice coil loudspeaker voice coil 5 outer walls leave gap.
As shown in Fig. 1 ~ Fig. 5, described locating branch slice 6 is mainly made up of moveable arm 6a, inner ring 6b and outer ring 6c, inner ring 6b and outer ring 6c coaxially arrange, inner ring 6b and outer ring 6c connect by the consistent moveable arm 6a one of at least two-strip structure being arranged between them, described moveable arm 6a one end is fixedly connected with the outer rim of inner ring 6b, and the moveable arm 6a other end is fixedly connected with the inner edge of outer ring 6c; Described basin frame 1 bottom is provided with lug boss 1a, the outer ring 6c of described locating branch slice 6 is supported on this lug boss 1a, the upper surface of the lower surface of described outer ring 6c and lug boss 1a is combined closely, described outer ring 6c is provided with two breach 6d, and the both positive and negative polarity that voice coil loudspeaker voice coil 5 goes between is connected conducting by breach 6d with the lead-in wire of terminal block 8 respectively; Described sound basin 7 is arranged on locating branch slice 6 tops, and sound basin 7 relies on locating branch slice 6 to support, and the upper surface of the lower surface of sound basin 7 and inner ring 6b is combined closely, and the outer wall of the inwall of described inner ring 6b and voice coil loudspeaker voice coil 5 leaves gap; Described voice coil loudspeaker voice coil 5 upwards passes from the inner ring 6b center of locating branch slice 6, the lower surface of voice coil loudspeaker voice coil 5 tops and sound basin 7 is combined closely, the inner ring 6b of voice coil loudspeaker voice coil 5 outer walls and locating branch slice 6 maintains distance, be that voice coil loudspeaker voice coil 5 is no longer combined closely by traditional mode with locating branch slice 6, when terminal block 8 input audio signal, voice coil loudspeaker voice coil 5 directly drives sound basin 7 to move up and down in magnetic gap, promotes sound basin 7 vibration soundings.
In illustrated embodiment, described moveable arm 6a comprises moveable arm body 6a.1 and connector 6a.2, described moveable arm body 6a.1 is corrugated elongate body, moveable arm body 6a.1 is parallel with inner ring 6b with the outer ring 6c of locating branch slice 6, and moveable arm body 6a.1 two ends are fixedly connected with the outer rim of inner ring 6b, the inner edge of outer ring 6c by connector 6a.2 respectively.
As shown in Fig. 1 ~ Fig. 4, described sound basin 7 comprises sound basin body 7a and the sound basin ring 7b that is arranged on sound basin body 7a periphery, and described sound basin body 7a is planar sheet, and sound basin body 7a outward flange and sound basin ring 7b inward flange are combined closely; The shape of cross section of described sound basin ring 7b is the arcs of recesses to basin frame 1 inner bottom part direction depression, in the concave arc of sound basin ring 7b upper surface, be provided with several reinforcements 7c, the shape of described reinforcement 7c is consistent with the concave arc radian of sound basin ring 7b, and reinforcement 7c top does not exceed the highest plane of sound basin 7 upper surfaces.
Described locating branch slice 6 adopts plastic material to make.Preferably adopt thermoplastic elastomer TPE to make.
Claims (4)
1. high-power ultra-thin loudspeaker, comprise basin frame (1), U iron (2), magnet (3), magnetic pole core (4), voice coil loudspeaker voice coil (5), locating branch slice (6), sound basin (7) and terminal block (8), U iron (2) is fixedly installed on basin frame (1) bottom centre position, magnet (3) and magnetic pole core (4) are installed in U iron (2), magnet (3) lower surface and U iron (2) bottom interior surface are combined closely, magnet (3) the upper surface magnetic pole core (4) of combining closely, leaves magnetic gap between the outer wall of described magnet (3) and magnetic pole core (4) and the inwall of U iron (2); Voice coil loudspeaker voice coil (5) is looped around magnet (3) and magnetic pole core (4) around, leaves gap, the same gap of leaving between the outer wall of voice coil loudspeaker voice coil (5) and the inwall of U iron (2) between the inwall of voice coil loudspeaker voice coil (5) and magnet (3) and the outer wall of magnetic pole core (4); It is characterized in that: described locating branch slice (6) comprises inner ring (6b) and outer ring (6c) of coaxial setting, inner ring (6b) and outer ring (6c) connect by consistent moveable arm (6a) one of at least two-strip structure being arranged between them, described moveable arm (6a) one end is fixedly connected with the outer rim of inner ring (6b), and moveable arm (6a) other end is fixedly connected with the inner edge of outer ring (6c); Described basin frame (1) bottom is provided with lug boss (1a), the outer ring (6c) of described locating branch slice (6) is supported on this lug boss (1a), the upper surface of the lower surface of described outer ring (6c) and lug boss (1a) is combined closely, described outer ring (6c) is provided with two breach (6d), and the both positive and negative polarity of voice coil loudspeaker voice coil (5) lead-in wire is connected conducting by breach (6d) with the lead-in wire of terminal block (8) respectively; Described sound basin (7) is arranged on locating branch slice (6) top, sound basin (7) relies on locating branch slice (6) to support, the upper surface of the lower surface of sound basin (7) and inner ring (6b) is combined closely, and the outer wall of the inwall of described inner ring (6b) and voice coil loudspeaker voice coil (5) leaves gap; Described voice coil loudspeaker voice coil (5) upwards passes from inner ring (6b) center of locating branch slice (6), the lower surface of voice coil loudspeaker voice coil (5) top and sound basin (7) is combined closely, the inner ring (6b) of voice coil loudspeaker voice coil (5) outer wall and locating branch slice (6) maintains distance, when terminal block (8) input audio signal, voice coil loudspeaker voice coil (5) directly drives sound basin (7) to move up and down in magnetic gap, promotes sound basin (7) vibration sounding;
Described moveable arm (6a) comprises moveable arm body (6a.1) and connector (6a.2), described moveable arm body (6a.1) is corrugated elongate body, moveable arm body (6a.1) is parallel with inner ring (6b) with the outer ring (6c) of locating branch slice (6), and moveable arm body (6a.1) two ends are fixedly connected with the outer rim of inner ring (6b), the inner edge of outer ring (6c) by connector (6a.2) respectively;
Described U iron (2) top sides is along extending bead (2a) to central horizontal, and described bead (2a) inwall and voice coil loudspeaker voice coil (5) outer wall leave gap;
Described sound basin (7) comprises sound basin body (7a) and is arranged on the peripheral sound basin ring (7b) of sound basin body (7a), and described sound basin body (7a) is planar sheet, and sound basin body (7a) outward flange and sound basin ring (7b) inward flange are combined closely; The shape of cross section of described sound basin ring (7b) is the arcs of recesses to basin frame (1) inner bottom part direction depression, in the concave arc of sound basin ring (7b) upper surface, be provided with several reinforcements (7c), the shape of described reinforcement (7c) is consistent with the concave arc radian of sound basin ring (7b), and reinforcement (7c) top does not exceed the highest plane of sound basin (7) upper surface.
2. high-power ultra-thin loudspeaker as claimed in claim 1, is characterized in that: described basin frame (1) bottom centre position is provided with centre bore, and described U iron (2) close fit is in centre bore, and U iron (2) bottom flushes with basin frame (1) bottom.
3. high-power ultra-thin loudspeaker as claimed in claim 1, is characterized in that: described locating branch slice (6) adopts plastic material to make.
4. high-power ultra-thin loudspeaker as claimed in claim 1, is characterized in that: described locating branch slice (6) adopts thermoplastic elastomer TPE to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148048.8A CN102638752B (en) | 2012-05-14 | 2012-05-14 | High-power ultrathin speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148048.8A CN102638752B (en) | 2012-05-14 | 2012-05-14 | High-power ultrathin speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102638752A CN102638752A (en) | 2012-08-15 |
| CN102638752B true CN102638752B (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210148048.8A Active CN102638752B (en) | 2012-05-14 | 2012-05-14 | High-power ultrathin speaker |
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| CN (1) | CN102638752B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662144B (en) * | 2019-09-29 | 2021-03-30 | 歌尔股份有限公司 | Centering support piece and sound generating device |
| CN112423202A (en) * | 2020-11-16 | 2021-02-26 | 无锡杰夫电声股份有限公司 | High-power ultra-thin loudspeaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09307992A (en) * | 1996-05-10 | 1997-11-28 | Kenwood Corp | Butterfly damper |
| JP4178717B2 (en) * | 2000-04-26 | 2008-11-12 | 松下電器産業株式会社 | Speaker damper and speaker unit using the same |
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2012
- 2012-05-14 CN CN201210148048.8A patent/CN102638752B/en active Active
Non-Patent Citations (2)
| Title |
|---|
| JP特开2001-309489A 2001.11.02 * |
| JP特开平9-307992A 1997.11.28 * |
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| CN102638752A (en) | 2012-08-15 |
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Address after: 214192 Xishan, Jiangsu, Beizhen Tin Tin Tin Road, No. eight, No. 228 Patentee after: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Address before: 214192 eight Wuxi, Beizhen, Xishan District, Jiangsu Patentee before: Jiefu Electroacoustic Co., Ltd., Wuxi |