CN208739411U - A kind of vibrating diaphragm and the loudspeaker including the vibrating diaphragm - Google Patents
A kind of vibrating diaphragm and the loudspeaker including the vibrating diaphragm Download PDFInfo
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- CN208739411U CN208739411U CN201821673301.0U CN201821673301U CN208739411U CN 208739411 U CN208739411 U CN 208739411U CN 201821673301 U CN201821673301 U CN 201821673301U CN 208739411 U CN208739411 U CN 208739411U
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- vibrating diaphragm
- ring
- curved portion
- lug boss
- cone basin
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Abstract
The utility model discloses a kind of vibrating diaphragms, including cone basin and the ring being connected and fixed with the cone basin, the ring includes the inward flange of centrally located curved portion and the connection curved portion and the cone basin, the inward flange includes the fixed part fixed with cone basin and the interconnecting piece connecting with curved portion, the lug boss for protruding the connection surface is formed on the interconnecting piece, the invention also discloses a kind of loudspeakers including the vibrating diaphragm, lug boss is arranged on the inward flange of ring in the utility model, good intermediate frequency frequency response performance is realized while improving ring damping.
Description
Technical field
The utility model relates to acoustic-electric technical fields.More particularly, to a kind of vibrating diaphragm and including the loudspeaker of the vibrating diaphragm.
Background technique
In electroacoustic conversion art, frequency response is for describing an instrument for the processing capacity of the signal of different frequency
Difference is a very important parameter index of acoustic product.The frequency response curve of acoustic product refers to gain with frequency
Change curve, ideal frequency response curve should be it is straight, i.e., voice signal does not generate distortion after passing through.
In loudspeaker the diaphragm structure of vibrational system for frequency response curve have great influence, vibrating diaphragm generally include cone basin and
The fixed ring with cone basin.In current acoustic product, ring usually has certain damping, is able to suppress between ring and cone basin
Resonance, prevent frequency response curve from intermediate frequency paddy phenomenon occur, usual ring thickness is bigger, and the damping of ring is bigger, and resonance can be improved
Frequency, but the thickness of ring is bigger, the F0 that will lead to product is higher, limits the frequency acoustic effect of product.
Utility model content
One of the utility model is designed to provide a kind of vibrating diaphragm, prevents frequency response curve from intermediate frequency paddy occur, optimizes frequency response
Curve, promotes the acoustical behavior of product, and another of the utility model is designed to provide a kind of loudspeaker including the vibrating diaphragm.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
One aspect according to the present utility model, discloses a kind of vibrating diaphragm, including cone basin and is connected and fixed with the cone basin
Ring, the ring includes the inward flange of centrally located curved portion and the connection curved portion and the cone basin,
The inward flange includes the fixed part fixed with cone basin and the interconnecting piece that connect with curved portion, on the interconnecting piece
Form the lug boss for protruding the connection surface.
Preferably, the lug boss is arc-shaped；The lug boss is configured as convex towards the medial/lateral of the vibrating diaphragm
It rises.
Preferably, the arc-shaped radius is 0.5~1.0mm.
Preferably, the lug boss is continuous or segmentation annular.
Preferably, the material of the ring is rubber, foam or gummed cloth.
Preferably, the curved portion with a thickness of 0.3~0.5mm.
Preferably, the radius of the curved portion is 4.0~4.6mm.
Preferably, the lug boss is connect with the curved portion by the first round-corner transition.
Preferably, the radius of first fillet is 0.3~0.7mm.
Another aspect according to the present utility model discloses a kind of loudspeaker, including vibrational system and magnetic circuit system, institute
State the voice coil that vibrational system includes vibrating diaphragm as described above and connect with the vibrating diaphragm.
The beneficial effects of the utility model are as follows:
The protrusion towards vibrating diaphragm internal protrusion is arranged in the vibrating diaphragm of the utility model on the inward flange that ring is connect with cone basin
Portion guarantees ring damping, prevents resonance and prevent frequency response curve from intermediate frequency paddy occur, is guaranteeing that ring is pliable enough, is improving acoustics
Under the premise of the low frequency response of product, optimizes frequency response curve, improve the frequency response performance of full frequency band.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 shows a kind of schematic diagram of vibrating diaphragm in one specific embodiment of the utility model；
Fig. 2 shows the enlarged diagrams of a-quadrant in Fig. 1；
Fig. 3 shows a kind of schematic diagram of loudspeaker in one specific embodiment of the utility model；
Fig. 4 shows a kind of cross-sectional view of loudspeaker in one specific embodiment of the utility model；
Fig. 5 shows the enlarged diagram of B area in Fig. 4；
Fig. 6 shows a kind of frequency response curve of loudspeaker in one specific embodiment of the utility model；
Appended drawing reference:
1, end cap, 2, dust cap, 3, vibrating diaphragm, 4, voice coil, 5, centring disk, 6, frame, 7, magnetic conductive board, 8, side magnet, 9,
Short-circuited conducting sleeve, 10, T iron, 11, terminal, 301, cone basin, 302, ring, 303, curved portion, 304, inward flange, 305, outer edge, 306,
Fixed part, 307, interconnecting piece, 308, lug boss, the 309, first fillet, the 310, second fillet, 41, speech coil framework, 42, voice coil sheet
Body, 61, location hole, 71, positioning column.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
Figures 1 and 2 show that a kind of schematic diagram of vibrating diaphragm 3 in one specific embodiment of the utility model.In the present embodiment,
Vibrating diaphragm 3 includes centrally located cone basin 301 and the ring 302 being fixedly connected with cone basin 301.Wherein, ring 302 includes center
Curved portion 303, the inward flange 304 of connection curved portion 303 and cone basin 301 and the outer edge 305 positioned at 303 outside of curved portion, outside
Edge 305 can be fixed on the support structure to fix vibrating diaphragm 3.
Wherein, 302 inward flange 304 of ring includes the fixed part 306 fixed with 301 phase of cone basin and connects with curved portion 303
The interconnecting piece 307 connect has the lug boss 308 formed towards 3 internal projection of vibrating diaphragm on the interconnecting piece 307.Preferably, inward flange 304
Fixed part 306 can to pass through the modes such as gluing and cone basin 301 fixed.
The curved portion 303 that thickness is thin, radius is big can be used in ring 302, is produced with providing the range of linearity bigger pliable, reduction
The F0 of product, avoid it is high-power under the conditions of low-frequency distortion.For example, in the present embodiment, using rubber ring 302,302 arc of ring
Portion 303 with a thickness of 0.4mm, radius 4.38mm.The thickness and radius of curved portion 303 can be closed according to the size of vibrating diaphragm 3
Reason selection, the utility model is to this and is not construed as limiting.In the present embodiment, the thickness of curved portion 303 is uniform, in other embodiments
In, the thickness of curved portion 303 can also be uneven.
It reduces to alleviate 303 bring of the curved portion damping that thickness is thin, radius is big, is set on 302 inward flange 304 of ring
Lug boss 308 is set, sound wave is inhibited to be transferred at ring 302, preventing ring 302 and cone basin 301 from generating reversal of vibrations leads to intermediate frequency
Paddy.In addition, the lug boss 308 simultaneously increases by 302 inward flange 304 of ring and the thickness of 301 junction of cone basin, avoid due to
Product use time extend or it is high-power under the conditions of big displacement vibration and cause ring 302 be broken the case where.
In being preferably carried out mode, the lug boss 308 be it is arc-shaped, arc-shaped bend direction is towards inside vibrating diaphragm 3, circular arc
The radius of shape can flexibly be selected according to the size of 302 curved portion 303 of ring, when 302 curved portion 303 of ring thickness 0.3~
Within the scope of 0.5mm, when radius is within the scope of 4.0~4.6mm, the preferred scope of the radius in arc-shaped convex portion 308 is 0.5~
1.0mm.For example, in the present embodiment, curved portion 303 with a thickness of 0.4mm, radius 4.38mm, the half of arc-shaped convex portion 308
Diameter is 0.8mm, in practical application, arc-shaped radius can specifically be determined according to emulation experiment effect.
In optionally embodiment, which can be the ring structure of connection, along 302 inward flange 304 of ring
Circumferential annular setting, in other embodiments, according to the actual influence to frequency response curve of lug boss 308, can also be segmented
Setting, along the circumferential setting multistage of 302 inward flange of ring 304 towards lobe in vibrating diaphragm 3, to advanced optimize the frequency of product
Curve is rung, it is highly preferred that the lug boss 308 of segmentation is arranged symmetrically.
In the present embodiment, ring 302 is made of rubber, rubber ring 302 damp it is larger, can inhibit ring 302 and cone
Resonance between basin 301 prevents frequency response curve from generating intermediate frequency paddy.In other embodiments, foam or gluing can also be used
Ring 302 is made in cloth.Wherein, the damping of ring 302 that gummed cloth is formed is smaller, and the ring 302 that foam is formed is damped between rubber
Between gummed cloth.
In being preferably carried out mode, which can be integrally formed with ring 302, for example, by using Shooting Technique
It is integrally formed, to reduce the molding process complexity of ring 302, in other embodiments, after ring 302 can also be formed first
It is fixed on the inward flange 304 of ring 302 again, the utility model is to this and is not construed as limiting.
In being preferably carried out mode, the lug boss 308 is connected with the curved portion 303 by 309 transition of the first fillet
It connects.In the present embodiment, the radius of first fillet 309 is, in practical applications, the preferred scope of the radius of the first fillet 309
For 0.3~0.7mm, in the present embodiment, according to the radius size of lug boss 308 and curved portion 303, the first fillet 309 is selected
Radius is 0.5mm.
Further, the lug boss 308 is connect with the fixed part 306 by 310 transition of the second fillet, second circle
The preferred scope of the radius at angle 310 is 0.5~0.9mm, in the present embodiment, according to the radius size of lug boss 308, selects second
The radius of fillet 310 is 0.7mm.
Another aspect according to the present utility model also discloses a kind of loudspeaker including vibrating diaphragm 3 described in the present embodiment, such as
Shown in Fig. 3-Fig. 5, loudspeaker includes frame 6 and the vibrational system being fixed in frame 6 and magnetic circuit system, frame 6 enterprising one
Step is fixed with end cap 1.Wherein, vibrational system includes vibrating diaphragm 3 as described above and the voice coil 4 fixed with the vibrating diaphragm 3.Fig. 6 is shown
Using the frequency response curve of the loudspeaker of the utility model vibrating diaphragm 3, in Fig. 6, curve C is the frequency of acoustic product in the prior art
Curve is rung, curve D is the frequency response curve using the acoustic product of the vibrating diaphragm 3 of the utility model.It is opposite it can be seen from Fig. 6
In the prior art, the frequency response curve using the loudspeaker of the vibrating diaphragm 3 of the utility model is more excellent, and intermediate frequency frequency response is more flat, improves
The acoustical behavior of product.
The outer edge 305 of vibrating diaphragm 3 is fixed in frame 6, to fix vibrating diaphragm 3.Voice coil 4 includes speech coil framework 41 and is fixed on
4 ontology of voice coil on speech coil framework 41, the speech coil framework 41 are fixed in the cone basin 301 of vibrating diaphragm 3, and 4 ontology of voice coil is suspended in magnetic
In the magnetic gap that road system is formed, in speaker operation, tone currents is passed through on 4 ontology of voice coil, 4 ontology of voice coil is in magnetic gap
The reciprocating motion of cutting magnetic induction line is inside done, and then vibrating diaphragm 3 is driven to vibrate.
Further, settable dust cap 2 at 301 upper end opening of cone basin, the dust cap can prevent from dust from entering raising
In sound device, the cleaning of inside loudspeakers ensure that.
Further, vibrational system may also include centring disk 5, which is incorporated in frame 6, centring disk 5
Inside can be fixed with 41 gluing of speech coil framework, the outside of centring disk 5 can be fixed with frame 6.In speaker operation, centering
Branch piece 5 is capable of increasing the damping of vibrational system, reduces the distortion that loudspeaker is generated in large amplitude, prevents vibrational system from polarizing.
The terminal 11 for being connected to external circuit is further provided in frame 6, voice coil 4 includes two 4 leads of voice coil, terminal
11 one end is connect with 4 lead of voice coil of voice coil 4 in frame 6, and the other end is electrically connected with external circuit.To which terminal 11 can incite somebody to action
External circuit is electrically connected with 4 lead of voice coil, and the electric signal of external circuit can be inputted voice coil 4 by 4 lead of voice coil by external circuit,
The cutting magnetic induction line in magnetic gap of voice coil 4 is set to cause to move sounding sound.
Magnetic circuit system include T iron 10, be fixed in T iron 10 in magnet 8 and the magnetic conductive board 7 when being fixed on magnet 8.Basin
Frame 6 is bowl structure, and the settable location hole 61 in the bottom of frame 6 is settable on magnetic conductive board 7 to determine with what the location hole 61 cooperated
Magnetic circuit system, is fixed in frame 6 by position column 71 by the cooperation of location hole 61 and positioning column 71.Magnetic conductive board 7, side magnet 8 with
And the center of frame 6 is hollow structure, the center of T iron 10 is formed with newel, and the newel is from magnetic conductive board 7, side magnet 8 and basin
It is extended in the hollow structure of frame 6 in frame 6, T iron 10 and side magnet 8 form magnetic gap, and 4 ontology of voice coil is suspended in magnetic gap
In, thus with the magnetic field interaction in magnetic gap.
Magnetic circuit system further comprises short-circuited conducting sleeve 9, which can be set on the newel of T iron 10, to improve loudspeaking
The medium-high frequency performance of device reduces intermediate frequency distortion.
It should be noted that the vibrating diaphragm 3 in the present embodiment can be applied not only to the loudspeaker in the present embodiment, can also answer
For in the sounding product of other structures, to improve the frequency response performance of sounding product.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (10)
1. a kind of vibrating diaphragm, which is characterized in that including cone basin and the ring being connected and fixed with the cone basin, the ring includes being located at
The curved portion in center and the inward flange of the connection curved portion and the cone basin,
The inward flange includes the fixed part fixed with cone basin and the interconnecting piece connecting with curved portion, is formed on the interconnecting piece
There is the lug boss for protruding the connection surface.
2. vibrating diaphragm according to claim 1, which is characterized in that the lug boss is arc-shaped；The lug boss is configured
It is raised towards the medial/lateral of the vibrating diaphragm.
3. vibrating diaphragm according to claim 2, which is characterized in that the arc-shaped radius is 0.5~1.0mm.
4. vibrating diaphragm according to claim 1, which is characterized in that the lug boss is continuous or segmentation annular.
5. vibrating diaphragm according to claim 1, which is characterized in that the material of the ring is rubber, foam or gummed cloth.
6. vibrating diaphragm according to claim 1, which is characterized in that the curved portion with a thickness of 0.3~0.5mm.
7. vibrating diaphragm according to claim 1, which is characterized in that the radius of the curved portion is 4.0~4.6mm.
8. vibrating diaphragm according to claim 1, which is characterized in that the lug boss and the curved portion pass through the first fillet mistake
Cross connection.
9. vibrating diaphragm according to claim 8, which is characterized in that the radius of first fillet is 0.3~0.7mm.
10. a kind of loudspeaker, including vibrational system and magnetic circuit system, which is characterized in that the vibrational system includes such as right
It is required that 1-9 described in any item vibrating diaphragms and the voice coil that is connect with the vibrating diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821673301.0U CN208739411U (en) | 2018-10-16 | 2018-10-16 | A kind of vibrating diaphragm and the loudspeaker including the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821673301.0U CN208739411U (en) | 2018-10-16 | 2018-10-16 | A kind of vibrating diaphragm and the loudspeaker including the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208739411U true CN208739411U (en) | 2019-04-12 |
Family
ID=66035370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821673301.0U Active CN208739411U (en) | 2018-10-16 | 2018-10-16 | A kind of vibrating diaphragm and the loudspeaker including the vibrating diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208739411U (en) |
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2018
- 2018-10-16 CN CN201821673301.0U patent/CN208739411U/en active Active
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