CN102638751B - Thin type speaker with inverted positioning support chip - Google Patents
Thin type speaker with inverted positioning support chip Download PDFInfo
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- CN102638751B CN102638751B CN201210114753.6A CN201210114753A CN102638751B CN 102638751 B CN102638751 B CN 102638751B CN 201210114753 A CN201210114753 A CN 201210114753A CN 102638751 B CN102638751 B CN 102638751B
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- voice coil
- locating branch
- positioning support
- sound basin
- iron
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Abstract
The invention relates to a thin type speaker with an inverted positioning support chip. The thin type speaker comprises a cone frame, U iron, a magnet, a magnetic pole core, a voice coil, a cone and a positioning support chip, and is characterized in that the positioning support chip is arranged over the cone, the positioning support chip is mainly formed by splicing two half positioning support chips which have the same structure and are symmetrically arranged on the left and the right, positioning half rings are arranged on the two half positioning support chips, and the positioning half rings are connected with the half positioning support chips into a whole through arc-shaped connecting bodies; the two half positioning support chips are made of conductive elastic materials, a positive pole and a negative pole of a leading wire of the voice coil are respectively in corresponding connection and conduction with the positioning half rings on the two half positioning support chips, and the two half positioning support chips are not conducted mutually; and the shapes of the positioning half rings on the two half positioning support chips are correspondingly tightly combined with the outer edge of a cone body. The thin type speaker disclosed by the invention is ingenious and reasonable in structure, the novel positioning support chip is adopted, and the positioning support chip is inverted, so that the speaker becomes thinner, can bear greater power and has better reliability and sound quality.
Description
Technical field
The invention belongs to electroacoustic techniques field, relate to a kind of loud speaker, the thin speaker that specifically a kind of locating branch slice is inverted.
Background technology
In prior art, be applied to the loud speaker of LED-backlit source TV, the general structure that adopts slim sound basin to coordinate locating branch slice, offer centre bore at slim Yin Pen center, the locating branch slice that is provided with equally centre bore be arranged on slim sound basin under, voice coil loudspeaker voice coil penetrates the centre bore of slim sound basin and locating branch slice, combined closely on the outer wall of voice coil loudspeaker voice coil in slim Yin Pen center and locating branch slice center, form the vibrational system of loud speaker, but this structure is because the structure (traditional locating branch slice section is waveform) of locating branch slice is limit, overall height is higher, be not suitable for requiring the thinner particularly application of OLED TV of panel TV product.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 slim 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 slim sound basin radiation sound, although it is very thin that this structure without locating branch slice can guarantee that loud speaker does, but because only depending on slim sound basin, voice coil loudspeaker voice coil self locates, loud speaker slim sound basin self in the time of input large-signal easily produces deformation, cause loudspeaker voice coil to carry out nonlinear motion at magnetic gap, produce abnormal sound, cause loudspeaker distortions to strengthen, even cannot work, this technology cannot meet the high-power of thinner OLED TV loud speaker equally, high tone quality, ultrathin 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 thin speaker, this thin speaker adopts novel locating branch slice, and locating branch slice is inverted, the loud speaker that makes to apply this structure is thinner, can bear more powerfully, reliability and tonequality are better.
According to technical scheme provided by the invention: the thin speaker that locating branch slice is inverted, comprise basin frame, U iron, magnet, magnetic pole core, voice coil loudspeaker voice coil, sound basin and locating branch slice, 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 is arranged on directly over sound basin, locating branch slice outward flange is supported on basin frame edge, and locating branch slice center is provided with a sheet centre bore; Described locating branch slice is mainly made up of spelling two structure half sheet locating branch slices identical, that be symmetrical set, on described two and half sheet locating branch slices, be equipped with location half-turn, the region that surrounds of half-turn, two location is a described sheet centre bore, and described location half-turn connects as one by being arranged on its peripheral arc connector and half sheet locating branch slice; Described two and half sheet locating branch slices all adopt conductive elastomeric material to make, the positive and negative electrode of described voice coil leads respectively with the corresponding connection of location half-turn conducting on two and half sheet locating branch slices, and leave space, not conducting mutually between these two and half sheets locating branch slice two ends; Described sound basin comprises sound basin body and the sound basin ring that is arranged on sound basin body periphery, and sound basin body outward flange lower surface and sound basin ring inward flange upper surface are combined closely; The shape of the location half-turn on described two and half sheet locating branch slices is corresponding with the outward flange of sound basin body, and the outward flange upper surface of location half-turn lower surface and sound basin body is combined closely.
As a further improvement on the present invention, the shape in the region that the location half-turn on described two and half sheet locating branch slices surrounds and the outward flange of sound basin body are consistent, and can be circle or track type or other shapes.
As a further improvement on the present invention, described sound basin body is planar sheet structure, and sound basin body lower surface and voice coil loudspeaker voice coil top upper surface are combined closely.
As a further improvement on the present invention, the shape of cross section of described sound basin ring is the arcs of recesses to basin frame inner bottom part direction depression.
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 half sheet locating branch slice adopts beryllium copper or phosphor-copper to make.
The present invention compared with prior art, advantage is: structure of the present invention is ingenious rationally, locating branch slice is arranged on directly over sound basin, and locating branch slice is made up of spelling two and half sheet locating branch slices, the feature such as two and half sheet locating branch slices have good springiness, antifatigue, can conduct electricity, locating branch slice is born the function of locating branch slice and terminal block simultaneously, realizing under the prerequisite of loadspeaker structure slimming, effectively reduce distortion phenomenon when loud speaker is inputted large-signal, strengthened reliability and the tonequality of loud speaker.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure cutaway view of the embodiment of the present invention.
Fig. 2 is the structural representation of the embodiment of the present invention.
Fig. 3 is the stereochemical structure exploded view of the embodiment of the present invention.
Description of reference numerals: 1-basin frame, 2-U iron, 3-magnet, 4-magnetic pole core, 5-voice coil loudspeaker voice coil, 6-sound basin, 6a-sound basin body, 6b-sound basin ring, 7-half sheet locating branch slice, 7a-location half-turn, 7b-arc connector, 8-space.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure, the thin speaker that the locating branch slice in embodiment is inverted is mainly made up of basin frame 1, U iron 2, magnet 3, magnetic pole core 4, voice coil loudspeaker voice coil 5, sound basin 6 and locating branch slice.
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.
As shown in Fig. 1 ~ Fig. 3, described locating branch slice is arranged on directly over sound basin 6, and locating branch slice outward flange is supported on basin frame 1 edge, and locating branch slice center is provided with a sheet centre bore; Described locating branch slice is mainly made up of spelling two structure half sheet locating branch slices 7 identical, that be symmetrical set, on described two and half sheet locating branch slices 7, be equipped with location half-turn 7a, the region that two location half-turn 7a surround is a described sheet centre bore, and described location half-turn 7a connects as one by being arranged on its peripheral arc connector 7b and half sheet locating branch slice 7; Described two and half sheet locating branch slices 7 all adopt conductive elastomeric material to make as beryllium copper or phosphor-copper, the positive and negative electrode that described voice coil loudspeaker voice coil 5 goes between respectively with the corresponding connection of location half-turn 7a conducting on two and half sheet locating branch slices 7, and leave space 8, not conducting mutually between these two and half sheets locating branch slice, 7 two ends.When work, audio signal drives voice coil loudspeaker voice coil 5 to drive sound basin 6 to move up and down in magnetic gap by two and half sheet locating branch slices 7, promotes sound basin 6 vibration soundings.
As shown in Fig. 1 ~ Fig. 3, described sound basin 6 is mainly made up of sound basin body 6a and the sound basin ring 6b that is arranged on sound basin body 6a periphery, and sound basin body 6a outward flange lower surface and sound basin ring 6b inward flange upper surface are combined closely; The shape of location half-turn 7a on described two and half sheet locating branch slices 7 is corresponding with the outward flange of sound basin body 6a, and the outward flange upper surface of location half-turn 7a lower surface and sound basin body 6a is combined closely.In the present invention, described sound basin body 6a is preferably set to planar sheet structure, and sound basin body 6a lower surface and voice coil loudspeaker voice coil 5 top upper surfaces are combined closely.The shape of cross section of described sound basin ring 6b is arranged to the arcs of recesses of basin frame 1 inner bottom part direction depression.
As shown in Fig. 1 ~ Fig. 3, in actual production is manufactured, half described sheet locating branch slice 7 is formed by a sheet metal hollow out, two arc connector 7b are extended respectively at the two ends of half sheet locating branch slice 7 bodies, two arc connector 7b extend a location half-turn 7a again, and the interior loop-shaped of location half-turn 7a shape and sound basin ring 6b is consistent.In the embodiment of the present invention, the shape in the region that the location half-turn 7a on described two and half sheet locating branch slices 7 surrounds is circular, but in concrete manufacturing, the shape in the region that the location half-turn 7a on described two and half sheet locating branch slices 7 surrounds can also be track type or other shapes, as long as be consistent with the outward flange of sound basin body 6a.
Claims (4)
1. the thin speaker that locating branch slice is inverted, comprise basin frame (1), U iron (2), magnet (3), magnetic pole core (4), voice coil loudspeaker voice coil (5), sound basin (6) and locating branch slice, 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 is arranged on directly over sound basin (6), locating branch slice outward flange is supported on basin frame (1) edge, and locating branch slice center is provided with a sheet centre bore; Described locating branch slice is mainly made up of spelling two structure half sheet locating branch slices (7) identical, that be symmetrical set, on described two and half sheet locating branch slices (7), be equipped with location half-turn (7a), the region that two location half-turns (7a) surround is a described sheet centre bore, and described location half-turn (7a) connects as one with half sheet locating branch slice (7) by being arranged on its peripheral arc connector (7b); Described two and half sheet locating branch slices (7) all adopt conductive elastomeric material to make, the positive and negative electrode of described voice coil loudspeaker voice coil (5) lead-in wire respectively with the corresponding connection of location half-turn (7a) conducting on two and half sheet locating branch slices (7), and leave space (8), not conducting mutually between these two and half sheets locating branch slice (7) two ends; Described sound basin (6) comprises sound basin body (6a) and is arranged on the peripheral sound basin ring (6b) of sound basin body (6a), and sound basin body (6a) outward flange lower surface and sound basin ring (6b) inward flange upper surface are combined closely; The shape of the location half-turn (7a) on described two and half sheet locating branch slices (7) is corresponding with the outward flange of sound basin body (6a), and the outward flange upper surface of location half-turn (7a) lower surface and sound basin body (6a) is combined closely;
The shape in region and the outward flange of sound basin body (6a) that location half-turn (7a) on described two and half sheet locating branch slices (7) surrounds are consistent, and can be circle or track type;
The shape of cross section of described sound basin ring (6b) is the arcs of recesses to basin frame (1) inner bottom part direction depression.
2. the thin speaker that locating branch slice as claimed in claim 1 is inverted, is characterized in that: described sound basin body (6a) is planar sheet structure, and sound basin body (6a) lower surface and voice coil loudspeaker voice coil (5) top upper surface are combined closely.
3. the thin speaker that locating branch slice as claimed in claim 1 is inverted, 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.
4. the thin speaker that locating branch slice as claimed in claim 1 is inverted, is characterized in that: described half sheet locating branch slice (7) adopts beryllium copper or phosphor-copper to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210114753.6A CN102638751B (en) | 2012-04-18 | 2012-04-18 | Thin type speaker with inverted positioning support chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210114753.6A CN102638751B (en) | 2012-04-18 | 2012-04-18 | Thin type speaker with inverted positioning support chip |
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| Publication Number | Publication Date |
|---|---|
| CN102638751A CN102638751A (en) | 2012-08-15 |
| CN102638751B true CN102638751B (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210114753.6A Active CN102638751B (en) | 2012-04-18 | 2012-04-18 | Thin type speaker with inverted positioning support chip |
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| CN (1) | CN102638751B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096223A (en) * | 2013-02-04 | 2013-05-08 | 江阴市丰鸣宇电子有限公司 | Ultrathin flat plate speaker using double location support chip |
| CN105704623A (en) * | 2016-01-15 | 2016-06-22 | 国光电器股份有限公司 | Single-point support sheet and loudspeaker |
| CN105635919A (en) * | 2016-03-23 | 2016-06-01 | 浙江全方音响科技有限公司 | Anti-oblique vibration radiator |
| CN105848050A (en) * | 2016-06-17 | 2016-08-10 | 无锡杰夫电声股份有限公司 | Linear six-sound-source array sound box |
| WO2019148426A1 (en) * | 2018-02-01 | 2019-08-08 | 捷永广建电子（深圳）有限公司 | Metal damper loudspeaker |
| CN111083610A (en) * | 2019-12-13 | 2020-04-28 | 瑞声科技(新加坡)有限公司 | Sound production 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695146A (en) * | 2009-09-30 | 2010-04-14 | 无锡杰夫电声有限公司 | Dual-drive speaker |
| CN101931849A (en) * | 2010-09-30 | 2010-12-29 | 无锡杰夫电声有限公司 | Thin speaker with taper location support chip |
| CN201957233U (en) * | 2011-01-12 | 2011-08-31 | 常州声泰龙电子音响有限公司 | Loudspeaker voice coil and positioning support chip thereof |
| CN202587358U (en) * | 2012-04-18 | 2012-12-05 | 无锡杰夫电声有限公司 | Thin type speaker with inverted positioning support chip |
-
2012
- 2012-04-18 CN CN201210114753.6A patent/CN102638751B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695146A (en) * | 2009-09-30 | 2010-04-14 | 无锡杰夫电声有限公司 | Dual-drive speaker |
| CN101931849A (en) * | 2010-09-30 | 2010-12-29 | 无锡杰夫电声有限公司 | Thin speaker with taper location support chip |
| CN201957233U (en) * | 2011-01-12 | 2011-08-31 | 常州声泰龙电子音响有限公司 | Loudspeaker voice coil and positioning support chip thereof |
| CN202587358U (en) * | 2012-04-18 | 2012-12-05 | 无锡杰夫电声有限公司 | Thin type speaker with inverted positioning support chip |
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| CN102638751A (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 |