CN103260119A - Thin type speaker with low distortion degree - Google Patents
Thin type speaker with low distortion degree Download PDFInfo
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- CN103260119A CN103260119A CN201310223914XA CN201310223914A CN103260119A CN 103260119 A CN103260119 A CN 103260119A CN 201310223914X A CN201310223914X A CN 201310223914XA CN 201310223914 A CN201310223914 A CN 201310223914A CN 103260119 A CN103260119 A CN 103260119A
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Abstract
The invention relates to a thin type speaker with low distortion degree, which comprises a basin frame provided with a basin-shaped cavity, and a magnetic circuit structure, a sound basin and a location support chip which are mounted in the basin frame, wherein the sound basin mainly comprises a sound basin folded ring and a sound basin body. The speaker is characterized in that the edge of the sound basin body extends obliquely and downward towards a center direction of the sound basin body to form a downward-hollowed funnel-shaped curved surface; the funnel-shaped curved surface is bent upward; the edge of the undermost end of the funnel-shaped curved surface extends obliquely and upward towards the center direction of the sound basin body to form an upward-raised dome-shaped curved surface; and a center hole of the sound basin body is formed in the center of the dome-shaped curved surface. According to the speaker, the novel sound basin replaces the traditional funnel-shaped sound basin, and the upward-raised dome-shaped curved surface in the sound basin body can effectively improve medium- and high-frequency sound quality; in addition, an auxiliary magnet and an auxiliary magnetic pole core are additionally arranged in the magnetic circuit structure, so that the low-frequency response characteristic of the speaker can be further improved; the nonlinear distortion can be reduced; and the sound quality performance and the reliability of the speaker can be improved.
Description
Technical field
The present invention relates to a kind of loud speaker, specifically a kind of powerful low distortion thin type electrodynamic loudspeaker belongs to the electroacoustic techniques field.
Background technology
In the prior art, the loud speaker that is applied to the application on the plate video equipment generally adopts infundibulate sound basin to cooperate the structure of locating branch slice, center at infundibulate sound basin offers centre bore, 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, 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.And conventional magnetic structure generally is with the magnet centering, be U-shaped conductive magnetic yoke (also claiming U iron) around a section around the magnet, voice coil loudspeaker voice coil places between magnet and the conductive magnetic yoke, when voice coil loudspeaker voice coil penetrates sound basin and locating branch slice, the voice coil loudspeaker voice coil bottom then is suspended in the magnetic gap of U iron inwall and magnet and the formation of magnetic pole core outer wall, make that voice coil loudspeaker voice coil is up-down vibration in magnetic gap after the loud speaker energising, and then promote sound basin vibration radiation sound.Defectives such as the loud speaker of this kind structure exists Oscillation Amplitude little, and nonlinear distortion is big, and recovery capability is poor, and low frequency tonequality is bad.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide that a kind of structure is ingenious, the thin speaker of the low distortion of compact and reasonable, this loud speaker can improve the LF-response characteristic effectively, reduces nonlinear distortion, and then improves the tonequality Performance And Reliability of loud speaker.
According to technical scheme provided by the invention: the thin speaker of low distortion comprises basin frame with basin shape chamber, is installed in magnetic structure, sound basin and locating branch slice in the basin frame; Described magnetic structure comprises U iron, magnet, magnetic pole core and voice coil loudspeaker voice coil, U iron and basin frame are combined closely, magnet and magnetic pole core are contained in the U iron, magnet lower surface and U iron bottom interior surface are combined closely, the magnet upper surface magnetic pole core of combining closely, voice coil loudspeaker voice coil is looped around around magnet and the magnetic pole core, and the outer wall of voice-coil inwall and magnet and magnetic pole core leaves the gap, and voice coil loudspeaker voice coil outer wall and U iron inwall leave the space; Described locating branch slice is arranged on the voice coil loudspeaker voice coil periphery, and the locating branch slice surrounding is along being supported on the basin frame, and the sound basin is installed in the locating branch slice top; Described sound basin mainly is made up of sound basin ring and sound basin body, and the edge of sound basin ring is supported on the basin frame edge, and sound basin body center hole wall and voice coil loudspeaker voice coil outer wall are combined closely; It is characterized in that: described sound basin body edges is extended down to its center position is oblique, at first forms one to the infundibulate curved surface of lower recess, and the bending direction of this infundibulate curved surface upwards; Described infundibulate curved surface edge bottom extends obliquely to its center position again, forms a upwards dome-shaped curved surface of protuberance, and the center of described dome-shaped curved surface is sound basin body centre bore.
As a further improvement on the present invention, the downward orthographic projection zone of the body intersection between described sound basin body infundibulate curved surface and the dome-shaped curved surface is greater than downward orthographic projection zone, U iron top.
As a further improvement on the present invention, described magnetic structure also comprises secondary magnet and secondary magnetic pole core, described secondary magnet and secondary magnetic pole core are arranged in the voice coil loudspeaker voice coil, secondary magnet lower surface and magnetic pole core upper surface are combined closely, the secondary magnet upper surface secondary magnetic pole core of combining closely leaves the gap between the outer wall of secondary magnet and secondary magnetic pole core and the voice-coil inwall.
As a further improvement on the present invention, described locating branch slice edge extends to its center direction fluctuation, at first form a waveform curved surface, the inner ring of waveform curved surface is a downward concave surface, and the inside edge of this concave surface is over against the body intersection between last phonetic aspect of a dialect basin body infundibulate curved surface and the dome-shaped curved surface; The inside edge of the inner ring concave surface of described waveform curved surface forms a plate plane of an annular to its center position horizontal-extending, and the center of a plate plane is the locating branch slice mesopore, and the inwall of locating branch slice mesopore and the outer wall of voice coil loudspeaker voice coil are combined closely.
As a further improvement on the present invention, described U iron bottom interior surface is provided with the boss that raises up, and described magnet is combined closely on this boss.
As a further improvement on the present invention, described basin frame bottom centre offers basin frame mesopore, very tight close being inlaid in the basin frame mesopore of U, and U iron bottom outer surface is concordant with basin frame bottom outer surface.
As a further improvement on the present invention, described basin frame is provided with several along circumferential uniform basin frame side opening.
As a further improvement on the present invention, described voice coil loudspeaker voice coil top is provided with dust cap.
The present invention compared with prior art, advantage is:Ingenious, the compact and reasonable of structure of the present invention adopts a kind of novel sound basin of brand-new design to substitute traditional infundibulate sound basin, and the dome-shaped curved surface that upwards swells in the sound basin body can promote medium-high frequency tonequality effectively; In magnetic structure, increase in addition and be provided with secondary magnet and secondary magnetic pole core, can further improve the LF-response characteristic of loud speaker, reduce nonlinear distortion, improve the tonequality Performance And Reliability of loud speaker.
Description of drawings
Fig. 1 is the structure cutaway view of the preferred embodiment of the present invention.
Fig. 2 is the stereochemical structure exploded view of the preferred embodiment of the present invention.
Fig. 3 is the structure cutaway view of sound basin of the present invention.
Fig. 4 is the perspective view of sound basin of the present invention.
Description of reference numerals: 1-basin frame, 1a-basin frame mesopore, 1b-basin frame side opening, 2-U iron, 2a-boss, 3-magnet, 4-magnetic pole core, 5-secondary magnet, 6-secondary magnetic pole core, 7-sound basin, 7a-sound basin body, 7a.1-infundibulate curved surface, 7a.2-dome-shaped curved surface, 7a.3-body intersection, 7b-sound basin ring, 8-locating branch slice, 8a-waveform curved surface, a 8b-plate plane, 8c-locating branch slice mesopore, 9-voice coil loudspeaker voice coil, 10-dust cap.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure, the thin speaker of the low distortion among the embodiment mainly is made up of parts such as basin frame 1, U iron 2, magnet 3, magnetic pole core 4, secondary magnet 5, secondary magnetic pole core 6, sound basin 7, locating branch slice 8, voice coil loudspeaker voice coil 9 and dust caps 10, described basin frame has basin shape chamber, and magnetic structure, sound basin and locating branch slice are installed in the basin frame.
As Fig. 1 ~ shown in Figure 4, among the present invention, described magnetic structure mainly is made up of U iron 2, magnet 3, magnetic pole core 4, secondary magnet 5, secondary magnetic pole core 6 and voice coil loudspeaker voice coil 9, U iron 2 is combined closely with basin frame 1, magnet 3 and magnetic pole core 4 are contained in the U iron 2, magnet 3 lower surfaces and U iron 2 bottom interior surfaces are combined closely, the magnet 3 upper surfaces magnetic pole core 4 of combining closely, voice coil loudspeaker voice coil 9 is looped around around magnet 3 and the magnetic pole core 4, the outer wall of voice coil loudspeaker voice coil 9 inwalls and magnet 3 and magnetic pole core 4 leaves the gap, and voice coil loudspeaker voice coil 9 outer walls and U iron 2 inwalls leave the space; Described secondary magnet 5 and secondary magnetic pole core 6 are arranged in the voice coil loudspeaker voice coil 9, and secondary magnet 5 lower surfaces and magnetic pole core 4 upper surfaces are combined closely, and the secondary magnet 5 upper surfaces secondary magnetic pole core 6 of combining closely leaves the gap between the outer wall of secondary magnet 5 and secondary magnetic pole core 6 and voice coil loudspeaker voice coil 9 inwalls.In this magnetic structure, put secondary magnet 5 and secondary magnetic pole core 6 by setting up, can further improve the LF-response characteristic of loud speaker, reduce nonlinear distortion, improve the tonequality Performance And Reliability of loud speaker.
As Fig. 1 ~ shown in Figure 4, described locating branch slice 8 is arranged on voice coil loudspeaker voice coil 9 peripheries, and locating branch slice 8 surroundings are along being supported on the basin frame 1, and sound basin 7 is installed in locating branch slice 8 tops.Among the present invention, described locating branch slice 8 edges extend to its center direction fluctuation, at first form a waveform curved surface 8a, the inner ring of waveform curved surface 8a is a downward concave surface, and the inside edge of this concave surface is over against the body intersection 7a.3 between last phonetic aspect of a dialect basin body 7a infundibulate curved surface 7a.1 and the dome-shaped curved surface 7a.2; The inside edge of the inner ring concave surface of described waveform curved surface 8a forms a plate plane 8b of an annular to its center position horizontal-extending, and the center of a plate plane 8b is locating branch slice mesopore 8c, and the inwall of locating branch slice mesopore 8c and the outer wall of voice coil loudspeaker voice coil 9 are combined closely.Such locating branch slice 8 structures can be conducive to improve the tonequality of loud speaker, locating branch slice 8 touching sound basins 7 bottoms in the time of avoiding speaker operation again.
As Fig. 1 ~ shown in Figure 4, described sound basin 7 mainly is made up of sound basin ring 7b and sound basin body 7a, and the edge of sound basin ring 7b is supported on basin frame 1 edge, and sound basin body 7a center hole wall and voice coil loudspeaker voice coil 9 outer walls are combined closely; Among the present invention, described sound basin body 7a edge extends down to its center position is oblique, at first forms one to the infundibulate curved surface 7a.1 of lower recess, and the bending direction of this infundibulate curved surface 7a.1 upwards; Described infundibulate curved surface 7a.1 extends to its center position at edge bottom more obliquely, forms a upwards dome-shaped curved surface 7a.2 of protuberance, and the center of described dome-shaped curved surface 7a.2 is sound basin body 7a centre bore.The dome-shaped curved surface 7a.2 that upwards swells among the described sound basin body 7a can promote medium-high frequency tonequality effectively.In addition, the downward orthographic projection zone of the body intersection 7a.3 between described sound basin body 7a infundibulate curved surface 7a.1 and the dome-shaped curved surface 7a.2 is greater than downward orthographic projection zone, U iron 2 tops.
As shown in Figure 1, described basin frame 1 is provided with several along circumferential uniform basin frame side opening 1b, and air-flow hinders sound basin 7 and the up-down vibration of locating branch slice 8 in basin frame 1 in the time of can avoiding speaker operation.Described U iron 2 bottom interior surfaces are provided with the boss 2a that raises up, and described magnet 3 is combined closely on this boss 2a.Described basin frame 1 bottom centre offers basin frame mesopore 1a, and U iron 2 closely is inlaid in the basin frame mesopore 1a, and U iron 2 bottom outer surfaces are concordant with basin frame 1 bottom outer surface.In addition, described voice coil loudspeaker voice coil 9 tops are provided with dust cap 10.
Claims (8)
1. the thin speaker of low distortion comprises basin frame (1) with basin shape chamber, is installed in magnetic structure, sound basin (7) and locating branch slice (8) in the basin frame (1); Described magnetic structure comprises U iron (2), magnet (3), magnetic pole core (4) and voice coil loudspeaker voice coil (9), U iron (2) is combined closely with basin frame (1), magnet (3) and magnetic pole core (4) are contained in the 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, voice coil loudspeaker voice coil (9) is looped around magnet (3) and magnetic pole core (4) on every side, the outer wall of voice coil loudspeaker voice coil (9) inwall and magnet (3) and magnetic pole core (4) leaves the gap, and voice coil loudspeaker voice coil (9) outer wall and U iron (2) inwall leave the space; Described locating branch slice (8) is arranged on voice coil loudspeaker voice coil (9) periphery, and locating branch slice (8) surrounding is along being supported on the basin frame (1), and sound basin (7) is installed in locating branch slice (8) top; Described sound basin (7) mainly is made up of sound basin ring (7b) and sound basin body (7a), and the edge of sound basin ring (7b) is supported on basin frame (1) edge, and sound basin body (7a) center hole wall and voice coil loudspeaker voice coil (9) outer wall are combined closely; It is characterized in that: described sound basin body (7a) edge extends down to its center position is oblique, at first forms one to the infundibulate curved surface (7a.1) of lower recess, and the bending direction of this infundibulate curved surface (7a.1) upwards; Described infundibulate curved surface (7a.1) edge bottom extends obliquely to its center position again, forms a upwards dome-shaped curved surface (7a.2) of protuberance, and the center of described dome-shaped curved surface (7a.2) is sound basin body (7a) centre bore.
2. the thin speaker of low distortion as claimed in claim 1 is characterized in that: the downward orthographic projection zone of the body intersection (7a.3) between described sound basin body (7a) infundibulate curved surface (7a.1) and the dome-shaped curved surface (7a.2) is greater than downward orthographic projection zone, U iron (2) top.
3. the thin speaker of low distortion as claimed in claim 1, it is characterized in that: described magnetic structure also comprises secondary magnet (5) and secondary magnetic pole core (6), described secondary magnet (5) and secondary magnetic pole core (6) are arranged in the voice coil loudspeaker voice coil (9), secondary magnet (5) lower surface and magnetic pole core (4) upper surface are combined closely, secondary magnet (5) the upper surface secondary magnetic pole core (6) of combining closely leaves the gap between the outer wall of secondary magnet (5) and secondary magnetic pole core (6) and voice coil loudspeaker voice coil (9) inwall.
4. the thin speaker of low distortion as claimed in claim 1, it is characterized in that: described locating branch slice (8) edge extends to its center direction fluctuation, at first form a waveform curved surface (8a), the inner ring of waveform curved surface (8a) is a downward concave surface, and the inside edge of this concave surface is over against the body intersection (7a.3) between last phonetic aspect of a dialect basin body (7a) infundibulate curved surface (7a.1) and the dome-shaped curved surface (7a.2); The inside edge of the inner ring concave surface of described waveform curved surface (8a) is to its center position horizontal-extending, form a plate plane (8b) of an annular, the center of propping up plate plane (8b) is locating branch slice mesopore (8c), and the outer wall of the inwall of locating branch slice mesopore (8c) and voice coil loudspeaker voice coil (9) is combined closely.
5. the thin speaker of low distortion as claimed in claim 1, it is characterized in that: described U iron (2) bottom interior surface is provided with the boss (2a) that raises up, and described magnet (3) is combined closely on this boss (2a).
6. the thin speaker of low distortion as claimed in claim 1, it is characterized in that: described basin frame (1) bottom centre offers basin frame mesopore (1a), U iron (2) closely is inlaid in the basin frame mesopore (1a), and U iron (2) bottom outer surface is concordant with basin frame (1) bottom outer surface.
7. the thin speaker of low distortion as claimed in claim 1 is characterized in that: described basin frame (1) is provided with several along circumferential uniform basin frame side opening (1b).
8. the thin speaker of low distortion as claimed in claim 1, it is characterized in that: described voice coil loudspeaker voice coil (9) top is provided with dust cap (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223914.XA CN103260119B (en) | 2013-06-06 | 2013-06-06 | The thin speaker of low distortion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223914.XA CN103260119B (en) | 2013-06-06 | 2013-06-06 | The thin speaker of low distortion |
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| Publication Number | Publication Date |
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| CN103260119A true CN103260119A (en) | 2013-08-21 |
| CN103260119B CN103260119B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310223914.XA Active CN103260119B (en) | 2013-06-06 | 2013-06-06 | The thin speaker of low distortion |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087244A (en) * | 2017-06-14 | 2017-08-22 | 无锡杰夫电声股份有限公司 | A kind of thin speaker audio amplifier |
| CN109842841A (en) * | 2017-11-27 | 2019-06-04 | 深圳市三诺数字科技有限公司 | A kind of speaker unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201839423U (en) * | 2010-09-30 | 2011-05-18 | 无锡杰夫电声有限公司 | Thin type speaker with wavy positioning support chip |
| CN102291651A (en) * | 2011-06-16 | 2011-12-21 | 无锡杰夫电声有限公司 | Dual-cone thin loudspeaker with step structure |
| CN202444617U (en) * | 2012-03-05 | 2012-09-19 | 苏州东立电子有限公司 | Ultra-thin type loudspeaker |
| CN203279166U (en) * | 2013-06-06 | 2013-11-06 | 无锡杰夫电声有限公司 | Thin type loudspeaker with low degree of distortion |
-
2013
- 2013-06-06 CN CN201310223914.XA patent/CN103260119B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201839423U (en) * | 2010-09-30 | 2011-05-18 | 无锡杰夫电声有限公司 | Thin type speaker with wavy positioning support chip |
| CN102291651A (en) * | 2011-06-16 | 2011-12-21 | 无锡杰夫电声有限公司 | Dual-cone thin loudspeaker with step structure |
| CN202444617U (en) * | 2012-03-05 | 2012-09-19 | 苏州东立电子有限公司 | Ultra-thin type loudspeaker |
| CN203279166U (en) * | 2013-06-06 | 2013-11-06 | 无锡杰夫电声有限公司 | Thin type loudspeaker with low degree of distortion |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087244A (en) * | 2017-06-14 | 2017-08-22 | 无锡杰夫电声股份有限公司 | A kind of thin speaker audio amplifier |
| CN109842841A (en) * | 2017-11-27 | 2019-06-04 | 深圳市三诺数字科技有限公司 | A kind of speaker unit |
| CN109842841B (en) * | 2017-11-27 | 2024-04-02 | 深圳市三诺数字科技有限公司 | Loudspeaker device |
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| Publication number | Publication date |
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| CN103260119B (en) | 2017-03-15 |
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| CB02 | Change of applicant information |
Address after: 214192 Xishan District, Jiangsu, Beizhen Tin Road, No. eight, No. 228, Applicant after: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Address before: 214192 eight Wuxi, Beizhen, Xishan District, Jiangsu Applicant before: Jiefu Electroacoustic Co., Ltd., Wuxi |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Low distortion thin speaker Effective date of registration: 20210113 Granted publication date: 20170315 Pledgee: China Merchants Bank Limited by Share Ltd. Wuxi branch Pledgor: WUXI JIEFU ELECTROACOUSTIC Co.,Ltd. Registration number: Y2021320010013 |
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