CN105872912A - Vibrating diaphragm and minitype acoustic generator with same - Google Patents

Vibrating diaphragm and minitype acoustic generator with same Download PDF

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Publication number
CN105872912A
CN105872912A CN201610257688.0A CN201610257688A CN105872912A CN 105872912 A CN105872912 A CN 105872912A CN 201610257688 A CN201610257688 A CN 201610257688A CN 105872912 A CN105872912 A CN 105872912A
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China
Prior art keywords
decorative pattern
vibrating diaphragm
ring portion
convex
row
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Granted
Application number
CN201610257688.0A
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Chinese (zh)
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CN105872912B (en
Inventor
马学敏
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Goertek Inc
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Goertek Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • H04R7/122Non-planar diaphragms or cones comprising a plurality of sections or layers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2207/00Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
    • H04R2207/021Diaphragm extensions, not necessarily integrally formed, e.g. skirts, rims, flanges

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

The invention discloses a vibrating diaphragm and a minitype acoustic generator with the same, and relates to the technical field of electroacoustic products. The vibrating diaphragm comprises a spherical top portion, a folded ring portion and an edge portion which are sequentially connected from inside to outside; patterns are distributed on the folded ring portion and comprise the convex patterns of which the convex direction is same as that of the folded ring portion and the concave patterns of which the concave direction is opposite to the convex portion of the folded ring portion. According to the vibrating diaphragm and the minitype acoustic generator with the same, the technical problem that in the prior art, a minitupe acoustic generator is serious in distortion is solved; the minitype acoustic generator with the vibrating diaphragm is little in distortion and high in sound quality and can meet the requirement of people for the high sound quality of electronic equipment.

Description

Vibrating diaphragm and be provided with the minitype acoustic generator of this vibrating diaphragm
Technical field
The present invention relates to electro-acoustic product technical field, particularly to a kind of vibrating diaphragm and be provided with miniature of this vibrating diaphragm Sound device.
Background technology
Minitype acoustic generator is a kind of important acoustic element in portable electric appts, for by the sound wave signal of telecommunication It is converted into acoustical signal to spread out of, is a kind of energy conversion device.Minitype acoustic generator generally include vibrational system and Magnetic circuit system, vibrational system includes vibrating diaphragm and the voice coil loudspeaker voice coil combined, and vibrating diaphragm includes tying the most successively Top dome portion, ring portion and the edge part closed, vibrating diaphragm is the vitals of minitype acoustic generator, to minitype acoustic generator Sound reproduction performance have vital effect, which determine minitype acoustic generator by the conversion matter of electric energy to acoustic energy Amount.
The ring portion of existing vibrating diaphragm is typically do not have decorative pattern, or a kind of recessed decorative pattern, the i.e. projection of decorative pattern Direction is contrary with the protrusion direction in ring portion, and the vibrating diaphragm of this kind of structure Impact direction when vibration is identical, vibrating diaphragm Easily producing folding line or the deformation such as subside, cause vibrating diaphragm to polarize, audio distortions is serious, it is impossible to reduce really Acoustical signal, sound quality is poor, it is difficult to meet people's requirement to electronic equipment high sound quality.
Summary of the invention
For disadvantages described above, first technical problem to be solved by this invention is to provide a kind of vibrating diaphragm, and this shakes Film is unlikely to deform, it is possible to effectively reduce distortion, improves the sound quality of minitype acoustic generator.
Based on same inventive concept, second technical problem to be solved by this invention is to provide a kind of miniature Acoustical generator, this minitype acoustic generator distortion is little, and sound quality is high, it is possible to meet people to electronic equipment high sound The requirement of quality.
For solving above-mentioned first technical problem, the technical scheme is that
A kind of vibrating diaphragm, including the top dome portion being sequentially connected with from inside to outside, ring portion and edge part, described ring Decorative pattern is distributed in portion, and described decorative pattern includes the convex decorative pattern identical with the protrusion direction in described ring portion, simultaneously Also include the recessed decorative pattern contrary with the protrusion direction in described ring portion.
Wherein, one or more during the vertical cross section of described decorative pattern is shaped as U-shaped, V-arrangement or circular arc.
Wherein, the flat shape of described decorative pattern is oval, olive shape or track type, the length of each described decorative pattern Axle bearing of trend is consistent with the width in described ring portion.
Wherein, described vibrating diaphragm is rectangular configuration, and described decorative pattern is distributed in four corners in described ring portion, and The described decorative pattern being positioned at each described corner positions all includes described convex decorative pattern and described recessed decorative pattern.
As a kind of embodiment, on the width in described ring portion, a row described in decorative pattern, institute are distributed State convex decorative pattern to be spaced with described recessed decorative pattern.
As another embodiment, on the width in described ring portion, two rows described in decorative pattern is distributed.
Wherein, the row in decorative pattern described in two rows is described convex decorative pattern, and another row is described recessed decorative pattern, and two Arrange the arrangement of described decorative pattern interleaved.
As another embodiment, on the width in described ring portion, three rows described in decorative pattern is distributed.
Wherein, it is positioned at decorative pattern described in two rows of both sides and is described recessed decorative pattern or described convex decorative pattern, be positioned at centre A row described in decorative pattern be described convex decorative pattern or described recessed decorative pattern, and be positioned at decorative pattern described in a row of centre simultaneously Be positioned at decorative pattern interleaved arrangement described in two rows of both sides.
For solving above-mentioned second technical problem, the technical scheme is that
A kind of minitype acoustic generator, including vibrational system and magnetic circuit system, described vibrational system includes being combined in one The vibrating diaphragm risen and voice coil loudspeaker voice coil, described vibrating diaphragm is above-mentioned vibrating diaphragm.
After have employed technique scheme, the invention has the beneficial effects as follows:
Owing to the ring part of vibrating diaphragm of the present invention is furnished with the convex decorative pattern identical with the protrusion direction in ring portion, also divide It is furnished with the recessed decorative pattern contrary with the protrusion direction in ring portion.The protrusion direction of decorative pattern is different so that being subject to of vibrating diaphragm Force direction is different, and the decorative pattern that two kinds of protrusion direction are contrary cooperates so that vibrating diaphragm can be subject to when vibration Different power, effectively improve vibrating diaphragm because of produced by unidirectional power folding line or subside bad, Prevent vibrating diaphragm to polarize, effectively reduce distortion, reduce acoustical signal to greatest extent, improve micro- The sound quality of type acoustical generator so that it disclosure satisfy that sound quality that people are the highest to electronic equipment Requirement.
Owing to the vibrating diaphragm of minitype acoustic generator of the present invention is above-mentioned vibrating diaphragm, thus effectively reduce distortion, sound Quality is high, it is possible to meet people's requirement to electronic equipment high sound quality.
In sum, vibrating diaphragm of the present invention and be provided with the minitype acoustic generator of this vibrating diaphragm and solve in prior art miniature The technical problem that acoustical generator distortion is serious, vibrating diaphragm of the present invention and to be provided with the minitype acoustic generator distortion of this vibrating diaphragm little, Sound quality is high, it is possible to meet people's requirement to electronic equipment high sound quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of vibrating diaphragm of the present invention;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the B direction view of Fig. 1;
Fig. 4 is the C portion enlarged drawing of Fig. 3;
Fig. 5 is the structural representation of single decorative pattern in Fig. 2;
In figure: 10, edge part, 12, ring portion, 14, top dome portion, 20, decorative pattern, 22, convex decorative pattern, 24, recessed decorative pattern.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is expanded on further.
Embodiment one:
As Fig. 1 and Fig. 3 jointly shown in, a kind of vibrating diaphragm, for rectangular configuration, including being sequentially connected with from inside to outside Top dome portion 14, ring portion 12 and the edge part 10 being integrated.Ring portion 12 is the circulus of rectangle, bag Include the most parallel four section straightway, and the four sections of curved sections being connected between adjacent two section straightway, Four sections of curved sections constitute four corners in ring portion 12.Decorative pattern 20, this embodiment party are distributed in ring portion 12 Formula preferred decorative pattern 20 integrated distribution in four corners in ring portion 12, i.e. four sections curved sections.
As Fig. 2 and Fig. 4 jointly shown in, be positioned at that the decorative pattern 20 in each corner all includes that protrusion direction is contrary two Planting decorative pattern, a kind of is the convex decorative pattern 22 that protrusion direction is identical with the protrusion direction in ring portion 20, and another kind is The recessed decorative pattern 24 contrary with the protrusion direction in ring portion 20.
As in figure 2 it is shown, the flat shape of each convex decorative pattern 22 and recessed decorative pattern 24 be ellipse, olive shape or Track type, the major axis bearing of trend of each convex decorative pattern 22 and recessed decorative pattern 24 all with the width one in ring portion 12 Causing, the width in ring portion 12 is the direction shown in a in Fig. 1, the most each convex decorative pattern 22 and recessed decorative pattern 24 all radially distribute, the central part of vibrating diaphragm radiate to surrounding, and each convex decorative pattern 22 and recessed decorative pattern 24 Major axis dimension and minor axis dimension all can be adjusted as required, each convex decorative pattern 22 and the chi of recessed decorative pattern 24 Very little can be identical, it is possible to different.
Jointly shown with Fig. 4 as shown in Figure 1, Figure 2, the vertical cross section of each single decorative pattern in decorative pattern 20 is shaped as One or more in U-shaped, V-arrangement or circular arc, when this vertical cross section refers to vibrating diaphragm horizontal positioned, along Fig. 5 The section that shown line D-D is done, if the vertical cross section defining convex decorative pattern 22 is shaped as U-shaped, V-arrangement or circle Arc, the vertical cross section shape of the most recessed decorative pattern 24 is then inverted U-shaped, inverted V-shaped or rounding arc.Above-mentioned U Shape, V-arrangement or circular arc are only the preferred structure of present embodiment, are not limited to above-mentioned three in actual application Kind, it is also possible to select the polygon arcs such as trapezoidal.And convex decorative pattern 22 and recessed decorative pattern 24 can be selected for same shape Decorative pattern, it is possible to select difform decorative pattern.
The each convex decorative pattern of the present invention and recessed decorative pattern can use multiple different distribution form, and technical staff can root It is adjusted according to performance requirement, several convex decorative pattern and the distribution form of recessed decorative pattern is set forth below, but reality is applied In be not limited to following several:
The first distribution form: decorative pattern is only distributed a row on the width in ring portion, each convex decorative pattern and recessed Decorative pattern is spaced, and this is spaced can be odd number interval, it is also possible to be even intervals.Such as: To be convex decorative pattern, recessed decorative pattern, convex decorative pattern ... be arranged in order;Can also be convex decorative pattern, convex decorative pattern, recessed flower Stricture of vagina, recessed decorative pattern, convex decorative pattern, convex decorative pattern ... be arranged in order.
The second distribution form: decorative pattern is distributed two rows on the width in ring portion, the most therein One row is convex decorative pattern, and another row is recessed decorative pattern, and the arrangement of this two rows decorative pattern interleaved, the decorative pattern of i.e. one row End each extend to another row decorative pattern adjacent two decorative patterns between.In actual application can also each row all It is made up of convex decorative pattern and two kinds of decorative patterns of recessed decorative pattern.
The third distribution form: as Fig. 1 and Fig. 2 jointly shown in, decorative pattern 20 is in the width side in ring portion 12 Three rows are upwards distributed, are wherein positioned at two rows (i.e. near edge part 10 and two rows in top dome portion 14) of both sides Decorative pattern is same decorative pattern, convex decorative pattern 22 or recessed decorative pattern 24, it is illustrated that for recessed decorative pattern 24;It is positioned at the one of centre Row's decorative pattern be another kind decorative pattern, recessed decorative pattern 24 or convex decorative pattern 22, it is illustrated that for convex decorative pattern 22, and is positioned at centre Row's decorative pattern simultaneously be positioned at two row's decorative pattern interleaved arrangements of both sides, be i.e. positioned at the decorative pattern of a middle row Two ends extend respectively between adjacent two decorative patterns of two row's decorative patterns in both sides.
The present invention is provided with two kinds of decorative patterns that protrusion direction is contrary in ring portion so that vibrating diaphragm can when vibration Subject to various forces, it is effectively prevented vibrating diaphragm and deforms, improve vibrating diaphragm polarization, reduce distortion, The sound quality of minitype acoustic generator can be greatly improved.
The technical scheme with convex decorative pattern and two kinds of decorative patterns of recessed decorative pattern of the present invention is applicable not only to shaking of rectangle Film, is also applied in circle, ellipse, the isostructural vibrating diaphragm of track type, can play reduction distortion equally Technique effect, therefore, no matter the structure such as shape of vibrating diaphragm whether with above-described embodiment described in identical, As long as arrange convex decorative pattern and two kinds of decorative patterns of recessed decorative pattern in ring portion, each fall within for reducing the product of distortion In protection scope of the present invention.
Embodiment two:
A kind of minitype acoustic generator, including vibrational system and magnetic circuit system, vibrational system includes combining Vibrating diaphragm and voice coil loudspeaker voice coil, vibrating diaphragm is the vibrating diaphragm described in embodiment one.
Owing to minitype acoustic generator of the present invention have employed the vibrating diaphragm described in embodiment one, greatly reduce distortion, Sound-reducing is effective, and sound quality is high, it is possible to meet people's requirement to electronic equipment high sound quality.
The present invention is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art is from above-mentioned design Set out, without performing creative labour, all conversion made, all fall within protection scope of the present invention it In.

Claims (10)

1. vibrating diaphragm, including the top dome portion being sequentially connected with from inside to outside, ring portion and edge part, described ring portion On decorative pattern is distributed, it is characterised in that described decorative pattern includes identical with the protrusion direction in described ring portion convex Decorative pattern, the most also includes the recessed decorative pattern contrary with the protrusion direction in described ring portion.
Vibrating diaphragm the most according to claim 1, it is characterised in that the vertical cross section of described decorative pattern is shaped as One or more in U-shaped, V-arrangement or circular arc.
Vibrating diaphragm the most according to claim 2, it is characterised in that the flat shape of described decorative pattern is oval The width one in shape, olive shape or track type, the major axis bearing of trend of each described decorative pattern and described ring portion Cause.
4. according to the vibrating diaphragm described in claims 1 to 3 any claim, it is characterised in that described vibrating diaphragm For rectangular configuration, described decorative pattern is distributed in four corners in described ring portion, and is positioned at each described corner The described decorative pattern of position all includes described convex decorative pattern and described recessed decorative pattern.
Vibrating diaphragm the most according to claim 4, it is characterised in that on the width in described ring portion A row described in decorative pattern is distributed, and described convex decorative pattern is spaced with described recessed decorative pattern.
Vibrating diaphragm the most according to claim 4, it is characterised in that on the width in described ring portion Two rows described in decorative pattern is distributed.
Vibrating diaphragm the most according to claim 6, it is characterised in that the row in decorative pattern described in two rows is institute Stating convex decorative pattern, another row is described recessed decorative pattern, and decorative pattern interleaved arrangement described in two rows.
Vibrating diaphragm the most according to claim 4, it is characterised in that on the width in described ring portion Three rows described in decorative pattern is distributed.
Vibrating diaphragm the most according to claim 8, it is characterised in that be positioned at decorative pattern described in two rows of both sides equal For described recessed decorative pattern or described convex decorative pattern, being positioned at decorative pattern described in a row of centre is described convex decorative pattern or described recessed Decorative pattern, and be positioned at decorative pattern described in a row of centre simultaneously be positioned at decorative pattern interleaved row described in two rows of both sides Row.
10. minitype acoustic generator, including vibrational system and magnetic circuit system, described vibrational system includes being combined in one The vibrating diaphragm risen and voice coil loudspeaker voice coil, it is characterised in that described vibrating diaphragm is described in claim 1 to 9 any claim Vibrating diaphragm.
CN201610257688.0A 2016-04-22 2016-04-22 Vibrating diaphragm and minitype acoustic generator equipped with the vibrating diaphragm Active CN105872912B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106231508A (en) * 2016-08-30 2016-12-14 歌尔股份有限公司 A kind of vibrating diaphragm
WO2019128422A1 (en) * 2017-12-29 2019-07-04 歌尔股份有限公司 Diaphragm and electroacoustic transducer
WO2021208328A1 (en) * 2020-04-13 2021-10-21 海宁市西米尼科技有限公司 Three-dimensional multi-directional reinforced cone composed of multiple planar layers, and manufacturing method therefor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005167384A (en) * 2003-11-28 2005-06-23 Sony Corp Speaker system
CN203984657U (en) * 2014-07-29 2014-12-03 歌尔声学股份有限公司 The diaphragm of loudspeaker
CN204518056U (en) * 2015-02-03 2015-07-29 四川和音电子科技有限公司 The diaphragm of loudspeaker
CN205040020U (en) * 2015-09-30 2016-02-17 歌尔声学股份有限公司 Diaphragm
CN205213030U (en) * 2015-11-19 2016-05-04 瑞声光电科技(常州)有限公司 Vibrating diaphragm and have vocal ware of this vibrating diaphragm
CN205610913U (en) * 2016-04-22 2016-09-28 歌尔股份有限公司 Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005167384A (en) * 2003-11-28 2005-06-23 Sony Corp Speaker system
CN203984657U (en) * 2014-07-29 2014-12-03 歌尔声学股份有限公司 The diaphragm of loudspeaker
CN204518056U (en) * 2015-02-03 2015-07-29 四川和音电子科技有限公司 The diaphragm of loudspeaker
CN205040020U (en) * 2015-09-30 2016-02-17 歌尔声学股份有限公司 Diaphragm
CN205213030U (en) * 2015-11-19 2016-05-04 瑞声光电科技(常州)有限公司 Vibrating diaphragm and have vocal ware of this vibrating diaphragm
CN205610913U (en) * 2016-04-22 2016-09-28 歌尔股份有限公司 Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106231508A (en) * 2016-08-30 2016-12-14 歌尔股份有限公司 A kind of vibrating diaphragm
CN106231508B (en) * 2016-08-30 2019-12-13 歌尔股份有限公司 Vibrating diaphragm
WO2019128422A1 (en) * 2017-12-29 2019-07-04 歌尔股份有限公司 Diaphragm and electroacoustic transducer
WO2021208328A1 (en) * 2020-04-13 2021-10-21 海宁市西米尼科技有限公司 Three-dimensional multi-directional reinforced cone composed of multiple planar layers, and manufacturing method therefor

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