CN102256197B - Loudspeaker with multiple sound cones - Google Patents
Loudspeaker with multiple sound cones Download PDFInfo
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- CN102256197B CN102256197B CN 201110186585 CN201110186585A CN102256197B CN 102256197 B CN102256197 B CN 102256197B CN 201110186585 CN201110186585 CN 201110186585 CN 201110186585 A CN201110186585 A CN 201110186585A CN 102256197 B CN102256197 B CN 102256197B
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Abstract
The invention relates to a loudspeaker with multiple sound cones. The loudspeaker provided by the invention is characterized by comprising a cone bracket, a U-shaped permeability yoke, a magnet, a magnetic pole core, a sound coil and at least three sound cones, wherein at least three sound cone supports are arranged along the length direction of the cone bracket; a sound cone mounting hole is formed in the center of each sound cone support; the sound cones are in one-to-one correspondence installation in the sound cone mounting hole; the edges of the sound cones are supported at the edge of the sound cone mounting hole; a sound cone central hole is formed in the center of each sound cone; the sound coil comprises a sound coil and a sound coil skeleton which are coaxial; the sound coil is arranged in the U-shaped permeability yoke; the sound coil skeleton passes through the sound cone central holes of all the sound cones; the peripheral wall of the sound coil skeleton is tightly combined with the inner edges of the sound cone central holes; and a certain distance is maintained between the top of the sound coil skeleton and the top of the cone bracket. The loudspeaker provided by the invention can simultaneously increase the radiation area of the sound cones of the loudspeaker and ensure the compliance of a vibration system, and reduces the nonlinear distortion, thereby improving the sound pressure level of the loudspeaker and ensuring the sound quality and the reliability.
Description
Technical field
The invention belongs to the electroacoustic techniques field, relate to a kind of loud speaker, specifically a kind of loud speaker with a plurality of sound basins.
Background technology
In the prior art, loud speaker generally adopts infundibulate sound basin to cooperate the structure of locating branch slice, edge at infundibulate sound basin is provided with ring, center at the sound basin offers centre bore, the locating branch slice that offers equally centre bore is arranged on the below of sound basin, voice coil loudspeaker voice coil penetrates the centre bore of sound basin and locating branch slice, and the center bore inner wall of the outer wall of voice coil loudspeaker voice coil and sound basin and locating branch slice is combined closely, thereby forms the vibrational system of loud speaker.In order to improve the acoustic radiation efficiency of loud speaker, improve sound pressure level, the sound basin swept area of inevitable requirement loud speaker is large as far as possible.But the increasing that the sound pelvic surface of sacrum is long-pending when voice coil loudspeaker voice coil drives its motion, can strengthen the non-linear deformation that sound basin self produces, and causes both poor sound quality and reliability variation.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, cleverly Multi-sound cone speaker of a kind of structure is provided, when increasing the loudspeaker cone swept area, can guarantees the compliance of vibrational system, reduce nonlinear distortion, thereby improve the sound pressure level of loud speaker, guarantee tonequality and reliability.
According to technical scheme provided by the invention: a kind of Multi-sound cone speaker, comprise the basin frame, be fixed on the U-shaped conductive magnetic yoke on the basin frame, be arranged on magnet, magnetic pole core and voice coil loudspeaker voice coil in the U-shaped conductive magnetic yoke, it is characterized in that: described Multi-sound cone speaker also includes at least three sound basins; Described basin frame is provided with at least three sound basin supporting masses along its length direction, the center of each sound basin supporting mass is equipped with sound basin installing hole, the sound basin is contained in the sound basin installing hole correspondingly, and sound basin edge is bearing on the sound basin installing hole edge, and the center of each sound basin all offers sound basin centre bore; Described voice coil loudspeaker voice coil comprises coaxial voice coil loudspeaker voice coil coil and speech coil framework, the voice coil loudspeaker voice coil coil is arranged in the U-shaped conductive magnetic yoke, speech coil framework upwards runs through the sound basin centre bore of all sound basins, combines closely in the interior edge of the periphery wall of speech coil framework and sound basin centre bore, and speech coil framework top and basin top of the trellis leave certain distance.
As a further improvement on the present invention, described basin frame comprises left basin frame and right basin frame, and left basin frame is provided with at least three left supporting masses spaced apart along its length direction, and right basin frame is provided with at least three right supporting masses spaced apart along its length direction; Each sound basin supporting mass mainly is comprised of a left supporting mass and a right supporting mass, left supporting mass and right supporting mass are semi-cylindrical shaped, they are interspersed along basin frame length direction, left supporting mass edge, upper end and edge, right supporting mass lower end to separately center-diameter to extension, form described sound basin installing hole respectively.
As a further improvement on the present invention, described left basin frame both sides are provided with along the left basin frame of its length direction prolongs the limit, and described right basin frame both sides are provided with along the right basin frame of its length direction prolongs the limit, and left basin frame prolongs limit and right basin frame and prolongs the limit and be connected to a fixed.
As a further improvement on the present invention, described basin frame bottom centre offers the conductive magnetic yoke installing hole, in the opening outer of described U-shaped conductive magnetic yoke and the conductive magnetic yoke installing hole along combining closely; Described magnet, magnetic pole core and voice coil loudspeaker voice coil are arranged in the U-shaped conductive magnetic yoke, voice coil loudspeaker voice coil is looped around magnet and magnetic pole core is peripheral, leave the gap between voice coil loudspeaker voice coil internal perisporium and magnet and the magnetic pole core periphery wall, leave the gap between voice coil loudspeaker voice coil periphery wall and the U-shaped conductive magnetic yoke internal perisporium, certain distance is left with U-shaped conductive magnetic yoke bottom in the voice coil loudspeaker voice coil bottom.
As a further improvement on the present invention, described at least three sound basin supporting masses arrange in the length direction equal intervals of basin frame, and described at least three sound basins equally spacedly correspondence are installed on the sound basin supporting mass.
As a further improvement on the present invention, described sound basin is funnel-form, and its big opening end is towards the basin top of the trellis, and the edge of big opening end is sound basin edge; Its osculum end is towards basin frame bottom, and the opening of osculum end is sound basin centre bore.
As a further improvement on the present invention, described sound basin edge is supported on the sound basin installing hole edge, the inner edge at sound basin edge extends to its center position, at first upwards arch and form a circle sound basin ring, the inner edge of sound basin ring continues to the oblique downward-extension certain distance of its center position, form sound basin body, the center of sound basin body is sound basin centre bore.Preferably, the cross section of described sound basin ring is circular arc.
As a further improvement on the present invention, described sound basin ring adopts thin thickness, Strong degree height, good springiness, tear resistance and the good elastomeric material of resistance to abrasion to make.Preferably, described sound basin ring adopts On The Elastic Material of The Thermoplastec Polyurethane to make.
As a further improvement on the present invention, described basin frame adopts plastic material injection mo(u)lding high temperature resistant, easy-formation.
The present invention compared with prior art, advantage is: structure is ingenious, be provided with a plurality of sound basins at the basin frame, superpose in the speech coil framework equal intervals by a plurality of sound basins, increase the global radiation area of sound basin, thereby improved the sound pressure level of loud speaker, can guarantee the compliance of vibrational system simultaneously, reduce nonlinear distortion, guarantee tonequality and reliability.
Description of drawings
Fig. 1 is the perspective view of the preferred embodiment of the present invention.
Fig. 2 is the perspective view of basin frame among Fig. 1.
Fig. 3 is the sectional axonometric drawing of Fig. 1.
Fig. 4 is the structure cutaway view of the preferred embodiment of the present invention.
Description of reference numerals: 1-basin frame, 1a-conductive magnetic yoke installing hole, 1b-sound basin supporting mass, 1c-sound basin installing hole, the left basin frame of 1.1-, the left supporting mass of 1.1b-, the left basin frame of 1.1d-prolong limit, the right basin frame of 1.2-, the right supporting mass of 1.2b-, the right basin frame of 1.2d-and prolong limit, 2-U type conductive magnetic yoke, 3-magnet, 4-magnetic pole core, 5-voice coil loudspeaker voice coil, 5a-voice coil loudspeaker voice coil coil, 5b-speech coil framework, 6-sound basin, 6a-sound basin centre bore, 6b-sound basin ring, 6c-sound basin body.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure, the Multi-sound cone speaker among the embodiment mainly is comprised of basin frame 1, U-shaped conductive magnetic yoke 2, magnet 3, magnetic pole core 4, voice coil loudspeaker voice coil 5 and sound basin 6.
Such as Fig. 1 ~ shown in Figure 4, described basin frame 1 bottom centre offers conductive magnetic yoke installing hole 1a, in the opening outer of described U-shaped conductive magnetic yoke 2 and the conductive magnetic yoke installing hole 1a along combining closely; Described magnet 3, magnetic pole core 4 and voice coil loudspeaker voice coil 5 are arranged in the U-shaped conductive magnetic yoke 2, voice coil loudspeaker voice coil 5 is looped around magnet 3 and magnetic pole core 4 peripheries, leave the gap between voice coil loudspeaker voice coil 5 internal perisporiums and magnet 3 and magnetic pole core 4 periphery walls, leave the gap between voice coil loudspeaker voice coil 5 periphery walls and U-shaped conductive magnetic yoke 2 internal perisporiums, certain distance is left in voice coil loudspeaker voice coil 5 bottoms and U-shaped conductive magnetic yoke 2 bottoms.
Such as Fig. 1 ~ shown in Figure 4, Multi-sound cone speaker among the embodiment is provided with five sound basins 6, described basin frame 1 is provided with five sound basin supporting mass 1b along its length direction, the center of each sound basin supporting mass 1b is equipped with sound basin installing hole 1c, sound basin 6 is contained in the sound basin installing hole 1c correspondingly, sound basin 6 edges are bearing on the sound basin installing hole 1c edge, and the center of each sound basin 6 all offers sound basin centre bore 6a; Described voice coil loudspeaker voice coil 5 is comprised of coaxial voice coil loudspeaker voice coil coil 5a and speech coil framework 5b, voice coil loudspeaker voice coil coil 5a is arranged in the U-shaped conductive magnetic yoke 2, speech coil framework 5b upwards runs through the sound basin centre bore 6a of all sound basins 6, combine closely in the interior edge of the periphery wall of speech coil framework 5b and sound basin centre bore 6a, certain distance is left at speech coil framework 5b top and basin frame 1 top.
In the embodiment of the invention, five sound basin supporting mass 1b on the described basin frame 1 arrange in the length direction equal intervals of basin frame 1, described five sound basins 6 equally spacedly correspondence are installed on the sound basin supporting mass 1b, and the geometry of five sound basins 6 is consistent, and effective radiating area equates.
Such as Fig. 1 ~ shown in Figure 4, described basin frame 1 mainly is comprised of left basin frame 1.1 and right basin frame 1.2, described left basin frame 1.1 both sides are provided with along the left basin frame of its length direction prolongs limit 1.1d, described right basin frame 1.2 both sides are provided with along the right basin frame of its length direction prolongs limit 1.2d, and left basin frame prolongs limit 1.1d and right basin frame and prolongs limit 1.2d and be connected to a fixed.Described left basin frame 1.1 is provided with five left supporting mass 1.1b spaced apart along its length direction, and described right basin frame 1.2 is provided with five right supporting mass 1.2b spaced apart along its length direction; Described left supporting mass 1.1b and right supporting mass 1.2b are semi-cylindrical shaped, they are interspersed along basin frame 1 length direction, a left supporting mass 1.1b and a right supporting mass 1.2b form a described sound basin supporting mass 1b, left supporting mass 1.1b edge, upper end and edge, right supporting mass 1.2b lower end to separately center-diameter to extension, form described sound basin installing hole 1c respectively.The whole cross-section structure of described basin frame 1 is be " bow " font step-like.
As shown in Figure 3, Figure 4, described sound basin 6 is funnel-form, and its big opening end is towards basin frame 1 top, and the edge of big opening end is sound basin 6 edges; Its osculum end is towards basin frame 1 bottom, and the opening of osculum end is sound basin centre bore 6a.Its structure is specific as follows: described sound basin 6 edges are supported on the sound basin installing hole 1c edge, the inner edge at sound basin 6 edges extends to its center position, at first upwards arch and form a circle sound basin ring 6b, the inner edge of sound basin ring 6b continues to the oblique downward-extension certain distance of its center position, form sound basin body 6c, the center of sound basin body 6c is sound basin centre bore 6a.Preferably, the cross section of described sound basin ring 6b is circular arc.
Among the present invention, described basin frame 1 adopts plastic material injection mo(u)lding high temperature resistant, easy-formation.Described magnet 3 adopts rare earth material such as aluminium nickel cobalt or NdFeB material to make.Sound basin ring 6b on the described sound basin 6 adopts thin thickness, Strong degree height, good springiness, tear resistance and the good elastomeric material of resistance to abrasion to make, and preferably adopts On The Elastic Material of The Thermoplastec Polyurethane to make.
Claims (10)
1. Multi-sound cone speaker, comprise basin frame (1), be fixed on the U-shaped conductive magnetic yoke (2) on the basin frame (1), be arranged on magnet (3), magnetic pole core (4) and voice coil loudspeaker voice coil (5) in the U-shaped conductive magnetic yoke (2), it is characterized in that: described Multi-sound cone speaker also includes at least three sound basins (6); Described basin frame (1) is provided with at least three sound basin supporting masses (1b) along its length direction, the center of each sound basin supporting mass (1b) is equipped with sound basin installing hole (1c), sound basin (6) is contained in the sound basin installing hole (1c) correspondingly, sound basin (6) edge is bearing on sound basin installing hole (1c) edge, and the center of each sound basin (6) all offers sound basin centre bore (6a); Described voice coil loudspeaker voice coil (5) comprises coaxial voice coil loudspeaker voice coil coil (5a) and speech coil framework (5b), voice coil loudspeaker voice coil coil (5a) is arranged in the U-shaped conductive magnetic yoke (2), speech coil framework (5b) upwards runs through the sound basin centre bore (6a) of all sound basins (6), combine closely in the interior edge of the periphery wall of speech coil framework (5b) and sound basin centre bore (6a), certain distance is left at speech coil framework (5b) top and basin frame (1) top.
2. Multi-sound cone speaker as claimed in claim 1, it is characterized in that: described basin frame (1) comprises left basin frame (1.1) and right basin frame (1.2), left basin frame (1.1) is provided with at least three left supporting masses (1.1b) spaced apart along its length direction, and right basin frame (1.2) is provided with at least three right supporting masses (1.2b) spaced apart along its length direction; Each sound basin supporting mass (1b) mainly is comprised of a left supporting mass (1.1b) and a right supporting mass (1.2b), left supporting mass (1.1b) and right supporting mass (1.2b) are semi-cylindrical shaped, they are interspersed along basin frame (1) length direction, edge, left supporting mass (1.1b) upper end and right supporting mass (1.2b) edge, lower end to separately center-diameter to extension, form described sound basin installing hole (1c) respectively.
3. Multi-sound cone speaker as claimed in claim 2, it is characterized in that: described left basin frame (1.1) both sides are provided with along the left basin frame of its length direction prolongs limit (1.1d), described right basin frame (1.2) both sides are provided with along the right basin frame of its length direction prolongs limit (1.2d), and left basin frame prolongs limit (1.1d) and right basin frame and prolongs limit (1.2d) and be connected to a fixed.
4. Multi-sound cone speaker as claimed in claim 1, it is characterized in that: described basin frame (1) bottom centre offers conductive magnetic yoke installing hole (1a), in the opening outer of described U-shaped conductive magnetic yoke (2) and the conductive magnetic yoke installing hole (1a) along combining closely; Described magnet (3), magnetic pole core (4) and voice coil loudspeaker voice coil (5) are arranged in the U-shaped conductive magnetic yoke (2), voice coil loudspeaker voice coil (5) is looped around magnet (3) and magnetic pole core (4) periphery, leave the gap between voice coil loudspeaker voice coil (5) internal perisporium and magnet (3) and magnetic pole core (4) periphery wall, leave the gap between voice coil loudspeaker voice coil (5) periphery wall and U-shaped conductive magnetic yoke (2) internal perisporium, certain distance is left with U-shaped conductive magnetic yoke (2) bottom in voice coil loudspeaker voice coil (5) bottom.
5. Multi-sound cone speaker as claimed in claim 1, it is characterized in that: described at least three sound basin supporting masses (1b) arrange in the length direction equal intervals of basin frame (1), and described at least three sound basins (6) equally spacedly correspondence are installed on the sound basin supporting mass (1b).
6. Multi-sound cone speaker as claimed in claim 1, it is characterized in that: described sound basin (6) is funnel-form, and its big opening end is towards basin frame (1) top, and the edge of big opening end is sound basin (6) edge; Its osculum end is towards basin frame (1) bottom, and the opening of osculum end is sound basin centre bore (6a).
7. Multi-sound cone speaker as claimed in claim 1, it is characterized in that: described sound basin (6) edge is supported on sound basin installing hole (1c) edge, the inner edge at sound basin (6) edge extends to its center position, at first upwards arch and form a circle sound basin ring (6b), the inner edge of sound basin ring (6b) continues to the oblique downward-extension certain distance of its center position, form sound basin body (6c), the center of sound basin body (6c) is sound basin centre bore (6a).
8. Multi-sound cone speaker as claimed in claim 7, it is characterized in that: the cross section of described sound basin ring (6b) is circular arc.
9. Multi-sound cone speaker as claimed in claim 7 is characterized in that: described sound basin ring (6b) adopts thin thickness, Strong degree height, good springiness, tear resistance and the good elastomeric material of resistance to abrasion to make.
10. Multi-sound cone speaker as claimed in claim 1 is characterized in that: described sound basin ring (6b) adopts On The Elastic Material of The Thermoplastec Polyurethane to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110186585 CN102256197B (en) | 2011-07-05 | 2011-07-05 | Loudspeaker with multiple sound cones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110186585 CN102256197B (en) | 2011-07-05 | 2011-07-05 | Loudspeaker with multiple sound cones |
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| Publication Number | Publication Date |
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| CN102256197A CN102256197A (en) | 2011-11-23 |
| CN102256197B true CN102256197B (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110186585 Active CN102256197B (en) | 2011-07-05 | 2011-07-05 | Loudspeaker with multiple sound cones |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202931543U (en) * | 2012-10-19 | 2013-05-08 | 深圳Tcl新技术有限公司 | Loudspeaker |
| CN103813244B (en) * | 2014-01-26 | 2017-07-21 | 歌尔股份有限公司 | Many vibrating membrane loudspeakers |
| CN103888878B (en) * | 2014-04-09 | 2018-02-02 | 上海依镓人电气科技有限公司 | The three-dimensional coaxial dynamic loudspeaker of ripple |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101742385A (en) * | 2009-12-24 | 2010-06-16 | 无锡杰夫电声有限公司 | Thin type electrodynamic loudspeaker |
| CN101902676A (en) * | 2010-08-31 | 2010-12-01 | 无锡杰夫电声有限公司 | Dual-sound basin thin speaker |
| CN201869349U (en) * | 2010-12-06 | 2011-06-15 | 深圳Tcl新技术有限公司 | Loudspeaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202127507U (en) * | 2011-07-05 | 2012-01-25 | 无锡杰夫电声有限公司 | Multi-sound cone speaker |
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2011
- 2011-07-05 CN CN 201110186585 patent/CN102256197B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101742385A (en) * | 2009-12-24 | 2010-06-16 | 无锡杰夫电声有限公司 | Thin type electrodynamic loudspeaker |
| CN101902676A (en) * | 2010-08-31 | 2010-12-01 | 无锡杰夫电声有限公司 | Dual-sound basin thin speaker |
| CN201869349U (en) * | 2010-12-06 | 2011-06-15 | 深圳Tcl新技术有限公司 | Loudspeaker |
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| CN102256197A (en) | 2011-11-23 |
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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 |