CN108900955A - Vibrating diaphragm and loudspeaker - Google Patents
Vibrating diaphragm and loudspeaker Download PDFInfo
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- CN108900955A CN108900955A CN201810685142.4A CN201810685142A CN108900955A CN 108900955 A CN108900955 A CN 108900955A CN 201810685142 A CN201810685142 A CN 201810685142A CN 108900955 A CN108900955 A CN 108900955A
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- vibrating diaphragm
- straight flange
- flange portion
- decorative pattern
- ring portion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention discloses a kind of vibrating diaphragm and loudspeaker, wherein, the vibrating diaphragm include middle part and be surrounded on the middle part periphery protrusion ring portion, the ring portion includes the curved corners portion in the first straight flange portion of the first straight flange portion, the second straight flange portion and connection, the second straight flange portion, the end composition corner region in the curved corners portion and the first straight flange portion being attached thereto, the second straight flange portion；The corner region is equipped with decorative pattern, the decorative pattern along the ring portion of its position circular direction at dipping and heaving wavy extension, the decorative pattern has a plurality of peak line and hollow line, and the section around direction in the ring portion along its position of the decorative pattern is arranged in the smooth curve of continuous bending, the smooth curve has multiple wave crests and trough.Technical solution of the present invention can reduce the stress concentration phenomenon in vibrating diaphragm ring portion, improve the performance reliability and acoustical behavior of loudspeaker.
Description
Technical field
The present invention relates to electroacoustic techniques field, in particular to a kind of vibrating diaphragm and loudspeaker.
Background technique
Currently, the use of especially mobile phone smart-pa etc. develops, and loudspeaker requirements can be in large amplitude with loudspeaker
In the case of use and can guarantee simultaneously the reliability of performance.In the design of loudspeaker, the design of vibrating diaphragm is very crucial, design
Quality for the total harmonic distortion of product, audition and reliability etc. influence it is huge.However, in vibrating diaphragm design, if gone out
Situations such as existing stress is concentrated, is then easy to appear rupture of membranes.For example, being equipped with setting for double decorative pattern in vibrating diaphragm ring portion common at present
In meter scheme, with reference to Fig. 5, in the junction of double decorative pattern, especially most corner location is easy for stress concentration phenomenon occur, and
In design scheme in vibrating diaphragm ring portion equipped with single decorative pattern, with reference to Fig. 6, most corner position is especially in the concave bottom of decorative pattern
The reason of concave bottom for the decorative pattern set also is easy to appear stress concentration phenomenon, causes stress concentration phenomenon, with reference in Fig. 7, Fig. 8
Decorative pattern the sectional view around direction along ring portion, the sectional view of both decorative patterns is similar, in the case where no decorative pattern,
The section of ring portion corner region will be straight line or class straight line, in the case where being provided with decorative pattern, on the straight line of section
Multiple recessed portions are formd, final section is similar half wave structure being made of straightway with depression profile, straightway and recess
The otherness of curve is larger, therefore causes stress concentration phenomenon.In the case where both Pattern Designs, maximum stress can be with
Reach 15-20Mpa, in that region, stress, which is concentrated, will lead to reliability of the vibrating diaphragm at this and be affected, and be easy to appear
Situations such as rupture of membranes or layering, to influence the acoustical behavior of loudspeaker.
Summary of the invention
The main object of the present invention is to provide a kind of vibrating diaphragm, it is intended to reduce the stress concentration phenomenon in vibrating diaphragm ring portion, improve
The performance reliability and acoustical behavior of loudspeaker.
To achieve the above object, vibrating diaphragm proposed by the present invention includes middle part and is surrounded on the convex of the middle part periphery
Ring portion out, the ring portion include the first straight flange portion, the second straight flange portion and connection the first straight flange portion, the second straight flange portion
The end composition corner region in curved corners portion, the curved corners portion and the first straight flange portion being attached thereto, the second straight flange portion；
The corner region be equipped with decorative pattern, the decorative pattern along the ring portion of its position circular direction at dipping and heaving wave
Wave-like extends, and the decorative pattern has a plurality of peak line and hollow line, and the ring in the ring portion along its position of the decorative pattern
Section around direction is arranged in the smooth curve of continuous bending, and the smooth curve has multiple wave crests and trough.
Optionally, the smooth curve is the spline curve by the wave crest and trough.
Optionally, the section around direction along ring portion is by passing through in first straight flange portion and being parallel to
It is in the first straight line section of first straight flange portion extending direction, second straight flange portion and be parallel to second straight flange portion and prolong
Stretch in the second straight line section and the curved corners portion in the direction and connection first straight line section and the second straight line section
A face of fillet section cut, the radius value of the fillet section is equal to, more than or less than the inner edge in the curved corners portion
Radius value.
Optionally, the distance of inner edge of the first straight line section apart from first straight flange portion is equal to the second straight line section
The distance of inner edge apart from second straight flange portion.
Optionally, point-blank, all troughs are point-blank for all wave crests of the smooth curve.
Optionally, the straight line where all wave crests on the smooth curve is parallel with the straight line where all troughs.
Optionally, the distance between two wave crests of the arbitrary neighborhood of the smooth curve are equal；
And/or the distance between two troughs of the arbitrary neighborhood of the smooth curve are equal；
And/or the wave crest and the distance between trough of the arbitrary neighborhood of the smooth curve are equal.
Optionally, the curve between peaks and troughs adjacent on the smooth curve is center symmetric figure.
Optionally, the decorative pattern is by being located at a benchmark spline curve of the corner region along the ring portion
Medial-lateral direction projection is formed.
Optionally, the benchmark spline curve is extended along the circular direction in the ring portion of its position.
Optionally, the benchmark spline curve has multiple wave crests and trough, all wave crests of the benchmark spline curve
Point-blank, all troughs point-blank, and the straight line where all wave crests and the straight line where all troughs
It is parallel.
Optionally, the distance between two wave crests of arbitrary neighborhood of the benchmark spline curve are equal；
And/or the distance between two troughs of arbitrary neighborhood of the benchmark spline curve are equal；
And/or the wave crest and the distance between trough of the arbitrary neighborhood of the benchmark spline curve are equal.
Optionally, the curve between peaks and troughs adjacent in the benchmark spline curve is center symmetric figure.
Optionally, the vibrating diaphragm is in rectangle, and the ring portion includes two opposite first straight flange portions and two
Opposite second straight flange portion, first straight flange portion and second straight flange portion are connected by the curved corners portion.
Optionally, on the circular direction in the ring portion, the wave crest of the smooth curve is not higher than first straight flange
Projecting surface where portion and second straight flange portion.
Optionally, multiple peak lines of the decorative pattern are to gathering on the inside of the ring portion；Alternatively, the decorative pattern is multiple
Peak line is to gathering on the outside of the ring portion.
Optionally, two decorative patterns positioned at the same diagonal line both ends of the vibrating diaphragm are in relative to the center of the vibrating diaphragm
Center symmetric setting.
The present invention also proposes a kind of loudspeaker, including vibrating diaphragm, which includes middle part and be surrounded on the middle part
The ring portion of periphery, the ring portion include the first straight flange portion, the second straight flange portion and connection the first straight flange portion, the second straight flange portion
Curved corners portion, the curved corners portion and the first straight flange portion being attached thereto, the second straight flange portion end constitute corner regions
Domain；The corner region is equipped with decorative pattern, and the decorative pattern is along the circular direction in the ring portion of its position at dipping and heaving
Wavy extension, the decorative pattern has a plurality of peak line and hollow line, and the ring portion along its position of the decorative pattern
The section around direction in continuous bending smooth curve be arranged, the smooth curve have multiple wave crests and trough.
In technical solution of the present invention, due to being equipped with decorative pattern on the corner region in vibrating diaphragm ring portion, and decorative pattern is along it
The circular direction in the ring portion of position at dipping and heaving wavy extension, decorative pattern have a plurality of peak line and hollow line,
And the section around direction in the ring portion along its position of decorative pattern is in continuous bending with multiple wave crests and trough
Smooth curve setting；And smooth curve be have tangent line everywhere, and tangent line with the movement at point of contact the curve of continuous rotation, whole section
Otherness between surface curve adjacent part is small, therefore the stress of ring portion corner region can be dispersed in entire pattern area, no
It will appear biggish stress concentration phenomenon, it is even lower that stress maximum can be reduced to 5-8Mpa.In this way, the design not only has
Have the advantages that enhance vibrating diaphragm intensity, prevent diaphragm oscillations from deforming and keep diaphragm oscillations more steady, can also be by section
The waveform Pattern Design of smooth curve shape reduces stress concentration phenomenon present in common Pattern Design at present, can make to answer
Power is uniformly dispersed on vibrating diaphragm, so that the case where reducing vibrating diaphragm rupture of membranes caused by stress is concentrated and/or layering, effectively improves
The reliability and acoustical behavior of product；Meanwhile vibration friction of the design when can also reduce diaphragm oscillations between decorative pattern, from
And it can further improve the reliability and acoustical behavior of product.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the explosive view of one embodiment of loudspeaker of the present invention；
Fig. 2 is the structural schematic diagram of vibrating diaphragm in Fig. 1；
Fig. 3 is schematic cross-section around direction of the decorative pattern in Fig. 2 on vibrating diaphragm along ring portion；
Fig. 4 is the section expanded view of decorative pattern in Fig. 3；
Fig. 5 is the structural schematic diagram that the vibrating diaphragm of double decorative pattern is equipped in background technique；
Fig. 6 is the structural schematic diagram that the vibrating diaphragm of single decorative pattern is equipped in background technique；
Fig. 7 is schematic cross-section around direction of the decorative pattern in Fig. 6 on vibrating diaphragm along ring portion；
Fig. 8 is the section expanded view of single decorative pattern in Fig. 7.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Shell | 2 | Conductive magnetic yoke |
| 521e | Smooth curve | 31 | Center magnet |
| 32 | Side magnet | 4 | Center magnetic conductive board |
| 5 | Vibrating diaphragm | 50 | Vibrating diaphragm main body |
| 53 | Reinforcement part | 51 | Middle part |
| 52 | Ring portion | 521 | Corner region |
| 521a, 521b | Decorative pattern | 522 | First straight flange portion |
| 523 | Second straight flange portion | 524 | Curved corners portion |
| 6 | Voice coil | 7 | Centring disk |
| 521c | Recessed portion | 521d | Straightway |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of vibrating diaphragm and the loudspeaker with the vibrating diaphragm.
Referring to figs. 1 to Fig. 4, in an embodiment of the present invention, the vibrating diaphragm 5 is including middle part 51 and is surrounded on middle part 51
The ring portion 52 of periphery, ring portion 52 include the first straight flange portion 522 of the first straight flange portion 522, the second straight flange portion 523 and connection, the
The curved corners portion 524 in two straight flange portions 523, curved corners portion 524 and the first straight flange portion 522 being attached thereto, the second straight flange portion
523 end constitutes corner region 521；Corner region 521 be equipped with decorative pattern 521a, decorative pattern 521a along its position folding
At the wavy extension of dipping and heaving, decorative pattern 521a has a plurality of peak line and hollow line, and decorative pattern in the circular direction of ring portion 52
The section around direction in the ring portion 52 along its position of 521a is arranged in the smooth curve 521e of continuous bending, smooth
Curve 521e has multiple wave crests and trough.
It should be noted that, in the present embodiment, which can be applied particularly in the smart-pa of mobile phone herein, certainly,
Technical solution of the present invention could be applicable in the products such as the loudspeaker of earphone or tablet computer.Shown in referring to Fig.1, loudspeaker is logical
It often include magnetic circuit system, vibrational system and support system.Wherein, support system includes to accommodate fixed magnetic circuit system and vibration
The shell 1 of dynamic system.Magnetic circuit system generally includes conductive magnetic yoke 2, magnet and magnetic conductive board etc., and conductive magnetic yoke 2 is used for fixed magnet simultaneously
Correct the magnetic line of force；Specifically in the multi-magnetic circuit system shown in the present embodiment, magnet includes center magnet 31, and magnetic conductive board includes setting
In the center magnetic conductive board 4 on center magnet 31；In magnetic circuit system, conductive magnetic yoke 2 is equipped with internal magnetic circuit part and exterior portion,
Magnetic gap is formed between internal magnetic circuit part and exterior portion.Vibrational system includes vibrating diaphragm 5 and voice coil 6, and vibrating diaphragm 5 and voice coil 6 are separate
The side of magnetic circuit system connects, and the other side of voice coil 6 is then suspended in magnetic gap；Vibrating diaphragm 5 generally include vibrating diaphragm main body 50 and to
The reinforcement part 53 of acoustical behavior is adjusted, and vibrating diaphragm main body 50 usually including middle part 51 and is surrounded on 51 periphery of middle part
Ring portion 52.In addition, in the present embodiment, loudspeaker further includes being connect with vibrating diaphragm 5 and voice coil 6 to reduce polarization phenomena
Centring disk 7.
In the common design of vibrating diaphragm 5 at present, in order to reinforce 5 intensity of vibrating diaphragm, prevent in vibration processes the deformation of vibrating diaphragm 5 with
And keep the vibration of vibrating diaphragm 5 more steady, and decorative pattern 521b can be usually set in ring portion 52, it, can be with for example, referring to Fig. 5 to Fig. 8
Double or single decorative pattern 521b is set in ring portion 52.However, in the design scheme of double decorative pattern 521b, in double decorative pattern
The junction of 521b especially most corner location is easy for stress concentration phenomenon occur, and in the design scheme of single decorative pattern 521b
In, with reference to Fig. 6, also it is easy to appear in the concave bottom for the decorative pattern 521b that the concave bottom of decorative pattern 521b is especially most corner location
Stress concentration phenomenon.The reason of for causing stress concentration phenomenon, with reference to decorative pattern 521b in Fig. 7, Fig. 8 along ring portion 52
The sectional view of sectional view around direction, both decorative patterns 521b is similar, and in the case where no decorative pattern 521b, ring portion 52 is turned
The section of angular zone 521 will be straight line or class straight line, in the case where being provided with decorative pattern 521b, the shape on the straight line of section
At multiple recessed portion 521c, final section is similar half wave structure being made of straightway 521d with depression profile, straightway
The otherness of 521d and depression profile is larger, therefore causes stress concentration phenomenon.The case where both decorative patterns 521b is designed
Under, maximum stress can achieve 15-20Mpa, in that region, stress concentrate will lead to reliability of the vibrating diaphragm 5 at this by
To influence, and be easy to appear rupture of membranes or layering situations such as, to influence the acoustical behavior of loudspeaker；Particularly, it is vibrated in vibrating diaphragm 5
When, there is also biggish vibrations to rub for existing Pattern Design, two decorative pattern intersection doublings therebetween are resulted even in, into
And largely effect on the reliability and acoustical behavior of product.
In the present embodiment, due to being equipped with decorative pattern 521a, and decorative pattern on the corner region 521 in 5 ring portion 52 of vibrating diaphragm
Along the circular direction in the ring portion 52 of its position at the wavy extension of dipping and heaving, decorative pattern 521a has a plurality of 521a
Peak line and hollow line, and the section around direction in the ring portion 52 along its position of decorative pattern 521a is in continuous bending
It is arranged with the smooth curve 521e of multiple wave crests and trough；And smooth curve 521e is that have tangent line everywhere, and tangent line is with point of contact
Movement and the curve of continuous rotation, the otherness between whole cross section curve adjacent part is small, therefore 52 corner region of ring portion
521 stress can divide in entire pattern area, be not in biggish stress concentration phenomenon, stress maximum can reduce
It is even lower to 5-8Mpa.In this way, the design not only has the intensity of enhancing vibrating diaphragm 5, prevents 5 vibration deformation of vibrating diaphragm and make to shake
The advantages that vibration of film 5 is more steady can also be smooth curve 521e shape waveform Pattern Design by section to reduce at present
Stress concentration phenomenon present in common decorative pattern 521a design, can be such that stress is uniformly dispersed on vibrating diaphragm 5, thus reduce because
The case where 5 rupture of membranes of vibrating diaphragm caused by stress is concentrated and/or layering, effectively improve the reliability and acoustical behavior of product；Meanwhile
The design can also reduce vibration friction when vibrating diaphragm 5 vibrates between decorative pattern 521a, to can further improve the reliable of product
Property and acoustical behavior.
Referring to figs. 1 to Fig. 4, in the present embodiment, smooth curve 521e is the spline curve by wave crest and trough.Its
In, the section around direction along ring portion 52 is by by the first straight flange portion 522 and be parallel to the first straight flange portion 522 and prolong
Stretch the first straight line section (not indicating) in direction, in the second straight flange portion 523 and be parallel to 523 extending direction of the second straight flange portion
On two straightways (not indicating) and the curved corners portion 524 and fillet section of connection first straight line section and second straight line section is (not
Mark) a face cut, the radius value of fillet section is equal to, more than or less than curved corners portion 524 inner edge radius value.?
This, the distance of the inner edge in first straight line section the first straight flange of distance portion is preferably equal to the inner edge in second straight line section the second straight flange of distance portion
Distance.In this way, smooth curve after the taken in section just as shown in figure 3, and the smooth curve 521e in Fig. 3 section exhibition
Open figure as shown in figure 4, and with the smooth curve setting decorative pattern can effectively reduce stress concentration phenomenon, to improve product
Reliability and acoustical behavior.
Further, point-blank, all troughs are point-blank for all wave crests of smooth curve 521e.And
And the setting preferably parallel with the straight line where all troughs of the straight line where all wave crests on smooth curve 521e.This sets
The otherness that can be further decreased between smooth curve 521e adjacent part in the up-down direction is set, to be conducive to reduce stress
Concentration phenomenon.
Further, the distance between two wave crests of the arbitrary neighborhood of smooth curve 521e are equal；And/or smooth curve
The distance between two troughs of the arbitrary neighborhood of 521e are equal；And/or the wave crest and trough of the arbitrary neighborhood of smooth curve 521e
The distance between it is equal.Specifically in the present embodiment, the distance between two wave crests of arbitrary neighborhood of preferred smooth curve 521e
It is equal, and the distance between two troughs of arbitrary neighborhood are also equal, meanwhile, the distance between wave crest and trough of arbitrary neighborhood
It is equal.This setting can further decrease surrounding in the ring portion 52 along its position between smooth curve 521e adjacent part
Otherness on direction, to be conducive to reduce stress concentration phenomenon.
Further, the curve between peaks and troughs adjacent on smooth curve 521e is center symmetric figure.It can be with
Understand, the setting of this symmetrical shape may make the shape difference opposite sex of curve to further decrease.
Further, in the present embodiment, decorative pattern 521a (is not marked by a benchmark spline curve for being located at corner region
Show) it is formed along the medial-lateral direction projection in ring portion.Specifically, ring portion of the benchmark spline curve along its position
Circular direction be extended.Moreover, benchmark spline curve has multiple wave crests and trough, all wave crests of benchmark spline curve
Point-blank, all troughs point-blank, and the straight line where all wave crests and the straight line where all troughs
It is parallel.The distance between two wave crests of the arbitrary neighborhood of benchmark spline curve are equal；And/or benchmark spline curve is any
The distance between two adjacent troughs are equal；And/or the wave crest and the distance between trough of the arbitrary neighborhood of benchmark spline curve
It is equal.Specifically in the present embodiment, the distance between two wave crests of arbitrary neighborhood of preferable benchmark spline curve are equal；Together
When, the distance between two troughs of arbitrary neighborhood are equal；And the wave crest and the distance between trough of arbitrary neighborhood are equal.Into
One step, the curve in benchmark spline curve between adjacent peaks and troughs is center symmetric figure.It is appreciated that passing through this
A little shapes limit setting, and the shape difference that can further decrease smooth curve 521e is anisotropic, obtain better stress dispersion effect, from
And be conducive to reduce stress concentration phenomenon, improve the reliability and acoustical behavior of product.
Referring to Figures 1 and 2, specifically, in the present embodiment, vibrating diaphragm 5 is arranged in rectangle, and the ring portion 52 of the vibrating diaphragm 5 is wrapped
It includes including two the first opposite straight flange portions 522 and two the second opposite straight flange portions 523, specifically in the present embodiment, two
Opposite longer edge be the first straight flange portion 522, other two opposite shorter edge be the second straight flange portion 523, first
Straight flange portion 522 and the second straight flange portion 523 are connected by curved corners portion 524.In other words, ring portion 52 is in rectangle, and four turn
It is curved corners portion 524 at angle.It is appreciated that four curved corners portions 524 are vibration rapid wears when vibrating diaphragm 5 is in rectangle
Position, at the position, setting decorative pattern 521a can effectively reinforce the intensity at this, to prevent from deforming and vibration can be made more steady.
It certainly,, can also be practical according to vibrating diaphragm 5 other than decorative pattern 521a is set at curved corners portion 524 in other embodiments
Vibration Condition, decorative pattern 521a is set in other regions, for example, when the first edge 522 is longer, in the first edge 522
The decorative pattern 521a to increase intensity can be set.
Further, on the circular direction in ring portion 52, the wave crest of decorative pattern 521a is not higher than the first straight flange portion 522 and the
Projecting surface where two straight flange portion 523, particularly, in the present embodiment, the wave crest of decorative pattern 521a and the first straight flange portion 522 and the
Projecting surface flush setting where two straight flange portion 523.Certainly, in other embodiments, the wave crest of decorative pattern 521a can also be convex
For the projecting surface in the first straight flange portion 522 and the second straight flange portion 523, but in the present embodiment, the concordant setting in top is not only advantageous to
Stress further disperses, and vibrating diaphragm 5 can be made more attractive, and can reduce the ulking thickness of vibrating diaphragm 5, enables speaker product
More it is thinned.
Further, multiple peak lines of decorative pattern 521a can be in and gather to the inside in ring portion 52；Alternatively, decorative pattern 521a
Multiple peak lines gather to the outside in ring portion 52.Preferably, referring to Fig. 2 and Fig. 3, in the present embodiment, decorative pattern 521a's
The center line of multiple wave crests intersects at the inside in ring portion 52 a bit.The setting of this shape can more adapt to curved corners portion 524
Curved angle variation, be conducive to stress and be uniformly dispersed.
As shown in Fig. 2, when vibrating diaphragm 5 be in rectangle when, positioned at the same diagonal line both ends of vibrating diaphragm 5 two decorative pattern 521a relative to
The center of vibrating diaphragm 5 is centrosymmetric setting.Further, the decorative pattern 521a of four corner regions 521 can be further preferably homogeneous
It is centrosymmetric setting for the center of vibrating diaphragm 5.5 structure of vibrating diaphragm can be made more to balance it is appreciated that decorative pattern 521a is symmetrical arranged,
To be conducive to improve stability of vibration.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (18)
1. a kind of vibrating diaphragm, the ring portion including middle part and the protrusion for being surrounded on the middle part periphery, which is characterized in that institute
Stating ring portion includes the first straight flange portion, the second straight flange portion and the curved corners portion for connecting the first straight flange portion and the second straight flange portion, institute
The end in the first straight flange portion, the second straight flange portion that state curved corners portion and be attached thereto constitutes corner region；
The corner region is equipped with decorative pattern, and the decorative pattern is along the circular direction in the ring portion of its position at dipping and heaving
Wavy extension, the decorative pattern has a plurality of peak line and hollow line, and the ring portion along its position of the decorative pattern
The section around direction in continuous bending smooth curve be arranged, the smooth curve have multiple wave crests and trough.
2. vibrating diaphragm as described in claim 1, which is characterized in that the smooth curve is the batten by the wave crest and trough
Curve.
3. vibrating diaphragm as described in claim 1, which is characterized in that the section around direction along ring portion is by by institute
It states in the first straight flange portion and is parallel to the first straight line section of first straight flange portion extending direction, in second straight flange portion
And be parallel to the second straight line section of second straight flange portion extending direction and in the curved corners portion and connection described the
One face of the fillet section of one straightway and the second straight line section is cut, and the radius value of the fillet section is equal to, is greater than or small
In the radius value of the inner edge in the curved corners portion.
4. vibrating diaphragm as claimed in claim 3, which is characterized in that inner edge of the first straight line section apart from first straight flange portion
Distance be equal to inner edge of the second straight line section apart from second straight flange portion distance.
5. the vibrating diaphragm as described in Claims 1-4 is any, which is characterized in that all wave crests of the smooth curve are straight at one
On line, all troughs are point-blank.
6. vibrating diaphragm as claimed in claim 5, which is characterized in that straight line where all wave crests and institute on the smooth curve
Straight line where having trough is parallel.
7. the vibrating diaphragm as described in Claims 1-4 is any, which is characterized in that two wave crests of the arbitrary neighborhood of the smooth curve
The distance between it is equal；
And/or the distance between two troughs of the arbitrary neighborhood of the smooth curve are equal；
And/or the wave crest and the distance between trough of the arbitrary neighborhood of the smooth curve are equal.
8. the vibrating diaphragm as described in Claims 1-4 is any, which is characterized in that adjacent peaks and troughs on the smooth curve
Between curve be center symmetric figure.
9. the vibrating diaphragm as described in Claims 1-4 is any, which is characterized in that the decorative pattern is by being located at the corner region
One benchmark spline curve is formed along the medial-lateral direction projection in the ring portion.
10. vibrating diaphragm as claimed in claim 9, which is characterized in that the folding of the benchmark spline curve along its position
The circular direction of ring portion is extended.
11. vibrating diaphragm as claimed in claim 9, which is characterized in that the benchmark spline curve has multiple wave crests and trough, institute
State all wave crests of benchmark spline curve point-blank, all troughs point-blank, and where all wave crests
Straight line is parallel with the straight line where all troughs.
12. vibrating diaphragm as claimed in claim 9, which is characterized in that two wave crests of the arbitrary neighborhood of the benchmark spline curve it
Between be equidistant；
And/or the distance between two troughs of arbitrary neighborhood of the benchmark spline curve are equal；
And/or the wave crest and the distance between trough of the arbitrary neighborhood of the benchmark spline curve are equal.
13. vibrating diaphragm as claimed in claim 9, which is characterized in that in the benchmark spline curve adjacent peaks and troughs it
Between curve be center symmetric figure.
14. vibrating diaphragm as described in claim 1, which is characterized in that the vibrating diaphragm is in rectangle, and the ring portion includes two phases
Pair first straight flange portion and two opposite second straight flange portions, first straight flange portion and second straight flange portion
It is connected by the curved corners portion.
15. vibrating diaphragm as described in claim 1, which is characterized in that on the circular direction in the ring portion, the smooth curve
Projecting surface of the wave crest not higher than first straight flange portion and where straight second edge.
16. vibrating diaphragm as described in claim 1, which is characterized in that multiple peak lines of the decorative pattern are into the ring portion
Gather side；Alternatively,
Multiple peak lines of the decorative pattern are to gathering on the outside of the ring portion.
17. vibrating diaphragm as claimed in claim 14, which is characterized in that described in two of the same diagonal line both ends of the vibrating diaphragm
Decorative pattern is centrosymmetric setting relative to the center of the vibrating diaphragm.
18. a kind of loudspeaker, which is characterized in that including the vibrating diaphragm as described in claim 1 to 17 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685142.4A CN108900955B (en) | 2018-06-27 | 2018-06-27 | Vibrating diaphragm and loudspeaker |
| PCT/CN2018/125336 WO2020000982A1 (en) | 2018-06-27 | 2018-12-29 | Diaphragm and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810685142.4A CN108900955B (en) | 2018-06-27 | 2018-06-27 | Vibrating diaphragm and loudspeaker |
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| CN108900955A true CN108900955A (en) | 2018-11-27 |
| CN108900955B CN108900955B (en) | 2021-02-05 |
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| WO (1) | WO2020000982A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020000982A1 (en) * | 2018-06-27 | 2020-01-02 | 歌尔股份有限公司 | Diaphragm and loudspeaker |
| CN111935616A (en) * | 2020-06-30 | 2020-11-13 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN112261550A (en) * | 2020-09-29 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Auxiliary vibrating diaphragm and sound production device |
| WO2021134189A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Diaphragm and sound generation device |
| WO2022000602A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Vibration diaphragm assembly and loudspeaker |
| CN114554365A (en) * | 2022-02-22 | 2022-05-27 | 深圳羽声电子有限公司 | Elastic wave vibration film |
| WO2024041454A1 (en) * | 2022-08-20 | 2024-02-29 | 深圳市韶音科技有限公司 | Vibration assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112995859B (en) * | 2021-02-23 | 2022-12-23 | 歌尔微电子股份有限公司 | Vibrating diaphragm, sensor chip and sensor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7275620B1 (en) * | 2007-07-19 | 2007-10-02 | Mitek Corp., Inc. | Square speaker |
| CN101695145A (en) * | 2009-09-24 | 2010-04-14 | 无锡杰夫电声有限公司 | Cone of thin speaker |
| US8340340B2 (en) * | 2010-01-07 | 2012-12-25 | Paradigm Electronics Inc. | Loudspeaker driver suspension |
| CN105453590A (en) * | 2013-06-14 | 2016-03-30 | 珍尼雷克公司 | Suspension element for suspending the diaphragm of a loudspeaker driver to the chassis thereof as well as driver and loudspeaker comprising the same |
| CN105554643A (en) * | 2015-11-19 | 2016-05-04 | 瑞声光电科技(常州)有限公司 | Voice diaphragm and sound generator with voice diaphragm |
| CN205847559U (en) * | 2016-05-26 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Minitype acoustic generator |
| CN106605416A (en) * | 2014-09-12 | 2017-04-26 | 苹果公司 | Audio speaker surround geometry for improved pistonic motion |
| CN207075077U (en) * | 2017-08-10 | 2018-03-06 | 歌尔科技有限公司 | Vibrating diaphragm and electroacoustic transducer |
| CN108012224A (en) * | 2017-12-29 | 2018-05-08 | 歌尔股份有限公司 | A kind of vibrating diaphragm and electroacoustic transducer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008048300A (en) * | 2006-08-21 | 2008-02-28 | Matsushita Electric Ind Co Ltd | Speaker, and speaker edge used therefor |
| CN108900955B (en) * | 2018-06-27 | 2021-02-05 | 歌尔股份有限公司 | Vibrating diaphragm and loudspeaker |
-
2018
- 2018-06-27 CN CN201810685142.4A patent/CN108900955B/en active Active
- 2018-12-29 WO PCT/CN2018/125336 patent/WO2020000982A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7275620B1 (en) * | 2007-07-19 | 2007-10-02 | Mitek Corp., Inc. | Square speaker |
| CN101695145A (en) * | 2009-09-24 | 2010-04-14 | 无锡杰夫电声有限公司 | Cone of thin speaker |
| US8340340B2 (en) * | 2010-01-07 | 2012-12-25 | Paradigm Electronics Inc. | Loudspeaker driver suspension |
| CN105453590A (en) * | 2013-06-14 | 2016-03-30 | 珍尼雷克公司 | Suspension element for suspending the diaphragm of a loudspeaker driver to the chassis thereof as well as driver and loudspeaker comprising the same |
| CN106605416A (en) * | 2014-09-12 | 2017-04-26 | 苹果公司 | Audio speaker surround geometry for improved pistonic motion |
| CN105554643A (en) * | 2015-11-19 | 2016-05-04 | 瑞声光电科技(常州)有限公司 | Voice diaphragm and sound generator with voice diaphragm |
| CN205847559U (en) * | 2016-05-26 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Minitype acoustic generator |
| CN207075077U (en) * | 2017-08-10 | 2018-03-06 | 歌尔科技有限公司 | Vibrating diaphragm and electroacoustic transducer |
| CN108012224A (en) * | 2017-12-29 | 2018-05-08 | 歌尔股份有限公司 | A kind of vibrating diaphragm and electroacoustic transducer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020000982A1 (en) * | 2018-06-27 | 2020-01-02 | 歌尔股份有限公司 | Diaphragm and loudspeaker |
| WO2021134189A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Diaphragm and sound generation device |
| CN111935616A (en) * | 2020-06-30 | 2020-11-13 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| WO2022000602A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Vibration diaphragm assembly and loudspeaker |
| CN112261550A (en) * | 2020-09-29 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Auxiliary vibrating diaphragm and sound production device |
| CN112261550B (en) * | 2020-09-29 | 2021-10-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | Auxiliary vibrating diaphragm and sound production device |
| CN114554365A (en) * | 2022-02-22 | 2022-05-27 | 深圳羽声电子有限公司 | Elastic wave vibration film |
| WO2024041454A1 (en) * | 2022-08-20 | 2024-02-29 | 深圳市韶音科技有限公司 | Vibration assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108900955B (en) | 2021-02-05 |
| WO2020000982A1 (en) | 2020-01-02 |
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