CN202127507U - Multi-sound cone speaker - Google Patents
Multi-sound cone speaker Download PDFInfo
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- CN202127507U CN202127507U CN 201120233841 CN201120233841U CN202127507U CN 202127507 U CN202127507 U CN 202127507U CN 201120233841 CN201120233841 CN 201120233841 CN 201120233841 U CN201120233841 U CN 201120233841U CN 202127507 U CN202127507 U CN 202127507U
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- sound
- basin
- voice coil
- frame
- sound basin
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Abstract
The utility model relates to a multi-sound cone speaker. The multi-sound cone speaker comprises a cone frame, a U-shaped magnetic permeability yoke, a magnet, a magnetic pole core and a sound ring, and is characterized by further comprising at least three sound cones; at least three sound cone supporting bodies are arranged along the length direction of the cone frame, a sound cone installation hole is arranged at the center of each sound cone supporting body, the sound cones are arranged in the sound cone installation holes in a one-to-one correspondence manner, the edges of the sound cones are supported on the edges of the sound cone installation holes, and a sound cone central hole is arranged at the center of each sound cone; and the sound ring comprises a sound ring coil and a sound ring framework which are coaxial, the sound ring coil is arranged in the U-shaped magnetic permeability yoke, the sound ring framework upwards penetrates through the sound cone central holes of all the sound cones, the peripheral wall of the sound ring framework and the inner edges of the sound cone central holes are closely combined, and certain distance between the top of the sound ring framework and the top of the cone frame exists. The multi-sound cone speaker can ensure the compliance of a vibration system while the radiation area of the speaker's cone is increased, reduces non-linear distortion, thus improving the sound pressure level of the speaker, and ensuring the sound quality and reliability.
Description
Technical field
The utility model belongs to the electroacoustic techniques field, relates 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, is provided with ring at the edge of infundibulate sound basin, offers centre bore at the center of sound basin; The locating branch slice that offers centre bore equally 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 big 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 purpose of the utility model is to overcome the deficiency that exists in the prior art; A kind of structure multitone basin loudspeaker cleverly is provided; When increasing the loudspeaker cone swept area, can guarantee the compliance of vibrational system; Reduce nonlinear distortion, thereby improve the sound pressure level of loud speaker, guarantee tonequality and reliability.
The technical scheme that provides according to the utility model: a kind of multitone basin loudspeaker; Comprise the basin frame; Be fixed on the U type conductive magnetic yoke on the basin frame, be arranged on magnet, magnetic pole core and voice coil loudspeaker voice coil in the U type conductive magnetic yoke, it is characterized in that: said multitone basin loudspeaker also includes at least three sound basins; Said 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; Said 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 type 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 the further improvement of the utility model, said 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 made up of a left supporting mass and a right supporting mass; Left side supporting mass and right supporting mass are semi-cylindrical shaped; They are interspersed along basin frame length direction; Supporting mass edge, upper end, a left side and edge, right supporting mass lower end radially extend to the center respectively, form described sound basin installing hole.
As the further improvement of the utility model, said left basin frame both sides are provided with along the left basin frame of its length direction prolongs the limit, and said 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 the further improvement of the utility model, said basin frame bottom centre offers the conductive magnetic yoke installing hole, in the opening outer of said U type conductive magnetic yoke and the conductive magnetic yoke installing hole along combining closely; Said magnet, magnetic pole core and voice coil loudspeaker voice coil are arranged in the U type 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 type conductive magnetic yoke internal perisporium, certain distance is left with U type conductive magnetic yoke bottom in the voice coil loudspeaker voice coil bottom.
As the further improvement of the utility model, described at least three sound basin supporting masses are provided with in the length direction equal intervals of basin frame, and described at least three sound basins correspondence equally spacedly are installed on the sound basin supporting mass.
As the further improvement of the utility model, said 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.
Further improvement as the utility model; Said 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 arches to form a circle sound basin ring, and the inner edge of sound basin ring continues to the oblique certain distance that extends below of its center position; Form sound basin body, the center of sound basin body is a sound basin centre bore.Preferably, the cross section of said sound basin ring is a circular arc.
As the further improvement of the utility model, said sound basin ring adopts thin thickness, intensity height, good springiness, tear resistance and the good elastomeric material of resistance to abrasion to make.Preferably, said sound basin ring adopts the thermoplastic polyurethane elastic material to process.
As the further improvement of the utility model, plastic material injection mo(u)lding high temperature resistant, easy-formation that said basin frame adopts.
The utility model compared with prior art, advantage is: structure is ingenious, the basin frame is provided with a plurality of sound basins; Superpose in the speech coil framework equal intervals through 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 utility model preferred embodiment.
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 utility model preferred embodiment.
Description of reference numerals: 1-basin frame, 1a-conductive magnetic yoke installing hole, 1b-sound basin supporting mass, 1c-sound basin installing hole, 1.1-left side basin frame, 1.1b-left side supporting mass, 1.1d-left side basin frame 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
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure, the multitone basin loudspeaker among the embodiment mainly is made up of basin frame 1, U type conductive magnetic yoke 2, magnet 3, magnetic pole core 4, voice coil loudspeaker voice coil 5 and sound basin 6.
Like Fig. 1 ~ shown in Figure 4, said basin frame 1 bottom centre offers conductive magnetic yoke installing hole 1a, in the opening outer of said U type conductive magnetic yoke 2 and the conductive magnetic yoke installing hole 1a along combining closely; Said magnet 3, magnetic pole core 4 and voice coil loudspeaker voice coil 5 are arranged in the U type 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 type conductive magnetic yoke 2 internal perisporiums, certain distance is left in voice coil loudspeaker voice coil 5 bottoms and U type conductive magnetic yoke 2 bottoms.
Like Fig. 1 ~ shown in Figure 4; Multitone basin loudspeaker among the embodiment is provided with five sound basins 6; Said basin frame 1 is provided with five sound basin supporting mass 1b along its length direction, and the center of each sound basin supporting mass 1b is equipped with sound basin installing hole 1c, and 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; Said voice coil loudspeaker voice coil 5 is made up 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 type 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.
Among the utility model embodiment; Five sound basin supporting mass 1b on the said basin frame 1 are provided with in the length direction equal intervals of basin frame 1; Described five sound basins 6 correspondence equally spacedly are installed on the sound basin supporting mass 1b, and the geometry of five sound basins 6 is consistent, and effective radiating area equates.
Like Fig. 1 ~ shown in Figure 4; Said basin frame 1 mainly is made up of with right basin frame 1.2 left basin frame 1.1; Said left basin frame 1.1 both sides are provided with along the left basin frame of its length direction prolongs limit 1.1d; Said 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.Said left basin frame 1.1 is provided with five left supporting mass 1.1b spaced apart along its length direction, and said right basin frame 1.2 is provided with five right supporting mass 1.2b spaced apart along its length direction; Said 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; Supporting mass 1.1b edge, upper end, a left side and edge, right supporting mass 1.2b lower end radially extend to the center respectively, form described sound basin installing hole 1c.The whole cross-section structure of said basin frame 1 is be " bow " font step-like.
Like Fig. 3, shown in Figure 4, said 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: said 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 certain distance that extends below of its center position, forms sound basin body 6c, and the center of sound basin body 6c is sound basin centre bore 6a.Preferably, the cross section of said sound basin ring 6b is a circular arc.
In the utility model, said basin frame 1 adopts plastic material injection mo(u)lding high temperature resistant, easy-formation.Said magnet 3 adopts rare earth material such as aluminium nickel cobalt or NdFeB material to process.Sound basin ring 6b on the said sound basin 6 adopts thin thickness, intensity height, good springiness, tear resistance and the good elastomeric material of resistance to abrasion to make, and preferably adopts the thermoplastic polyurethane elastic material to make.
Claims (10)
1. multitone basin loudspeaker; Comprise basin frame (1); Be fixed on the U type 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 type conductive magnetic yoke (2), it is characterized in that: said multitone basin loudspeaker also includes at least three sound basins (6); Said 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); Said 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 type 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. multitone basin loudspeaker as claimed in claim 1; It is characterized in that: said basin frame (1) comprises left basin frame (1.1) and right basin frame (1.2); Left side 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 made up of a left supporting mass (1.1b) and a right supporting mass (1.2b); Left side supporting mass (1.1b) and right supporting mass (1.2b) are semi-cylindrical shaped; They are interspersed along basin frame (1) length direction; Left side supporting mass (1.1b) edge, upper end and right supporting mass (1.2b) edge, lower end radially extend to the center respectively, form described sound basin installing hole (1c).
3. multitone basin loudspeaker as claimed in claim 2; It is characterized in that: said left basin frame (1.1) both sides are provided with along the left basin frame of its length direction prolongs limit (1.1d); Said 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. multitone basin loudspeaker as claimed in claim 1 is characterized in that: said basin frame (1) bottom centre offers conductive magnetic yoke installing hole (1a), and in the opening outer of said U type conductive magnetic yoke (2) and the conductive magnetic yoke installing hole (1a) combine closely in the edge; Said magnet (3), magnetic pole core (4) and voice coil loudspeaker voice coil (5) are arranged in the U type 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 type conductive magnetic yoke (2) internal perisporium, certain distance is left with U type conductive magnetic yoke (2) bottom in voice coil loudspeaker voice coil (5) bottom.
5. multitone basin loudspeaker as claimed in claim 1; It is characterized in that: described at least three sound basin supporting masses (1b) are provided with in the length direction equal intervals of basin frame (1), and described at least three sound basins (6) correspondence equally spacedly are installed on the sound basin supporting mass (1b).
6. multitone basin loudspeaker as claimed in claim 1 is characterized in that: said 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. multitone basin loudspeaker as claimed in claim 1; It is characterized in that: said 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 arches to form a circle sound basin ring (6b), and the inner edge of sound basin ring (6b) continues to the oblique certain distance that extends below of its center position; Form sound basin body (6c), the center of sound basin body (6c) is a sound basin centre bore (6a).
8. multitone basin loudspeaker as claimed in claim 7 is characterized in that: the cross section of said sound basin ring (6b) is a circular arc.
9. multitone basin loudspeaker as claimed in claim 7 is characterized in that: said sound basin ring (6b) adopts thin thickness, intensity height, good springiness, tear resistance and the good elastomeric material of resistance to abrasion to make.
10. multitone basin loudspeaker as claimed in claim 1 is characterized in that: said sound basin ring (6b) adopts the thermoplastic polyurethane elastic material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120233841 CN202127507U (en) | 2011-07-05 | 2011-07-05 | Multi-sound cone speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120233841 CN202127507U (en) | 2011-07-05 | 2011-07-05 | Multi-sound cone speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202127507U true CN202127507U (en) | 2012-01-25 |
Family
ID=45490567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120233841 Expired - Lifetime CN202127507U (en) | 2011-07-05 | 2011-07-05 | Multi-sound cone speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202127507U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256197A (en) * | 2011-07-05 | 2011-11-23 | 无锡杰夫电声有限公司 | Loudspeaker with multiple sound cones |
| WO2014059837A1 (en) * | 2012-10-19 | 2014-04-24 | 深圳Tcl新技术有限公司 | Loudspeaker and audio playback device having same |
| CN106231527A (en) * | 2016-08-31 | 2016-12-14 | 广州市花都区德胜扬声器配件厂 | Speaker rubber lateral basin integrated forming technique |
-
2011
- 2011-07-05 CN CN 201120233841 patent/CN202127507U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256197A (en) * | 2011-07-05 | 2011-11-23 | 无锡杰夫电声有限公司 | Loudspeaker with multiple sound cones |
| WO2014059837A1 (en) * | 2012-10-19 | 2014-04-24 | 深圳Tcl新技术有限公司 | Loudspeaker and audio playback device having same |
| CN106231527A (en) * | 2016-08-31 | 2016-12-14 | 广州市花都区德胜扬声器配件厂 | Speaker rubber lateral basin integrated forming technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120125 Effective date of abandoning: 20131030 |
|
| RGAV | Abandon patent right to avoid regrant |