CN103813244B - Many vibrating membrane loudspeakers - Google Patents
Many vibrating membrane loudspeakers Download PDFInfo
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- CN103813244B CN103813244B CN201410038239.8A CN201410038239A CN103813244B CN 103813244 B CN103813244 B CN 103813244B CN 201410038239 A CN201410038239 A CN 201410038239A CN 103813244 B CN103813244 B CN 103813244B
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Abstract
The present invention provides a kind of many vibrating membrane loudspeakers, including at least four vibrating diaphragms, inside connecting rod, outer tie rod, driving source and centring disk；Vibrating diaphragm positioned at odd bits by inside connecting rod is interconnected to form first group of vibrating diaphragm, and the inside connecting rod for connecting vibrating diaphragm positioned at odd bits is attached by outer tie rod；Connected positioned at the vibrating diaphragm of even bit by inside connecting rod and be interconnected to form second group of vibrating diaphragm, the inside connecting rod for connecting the vibrating diaphragm for being located at even bit is attached by outer tie rod；Driving source is arranged on the two ends of many vibrating membrane loudspeakers, and each driving source drives first group of vibrating diaphragm and second group of vibrating diaphragm respectively；Centring disk is fitted in first group of vibrating diaphragm on the DOME of the vibrating diaphragm away from the first magnetic circuit and in second group of vibrating diaphragm on the DOME of the vibrating diaphragm away from the second magnetic circuit respectively.Using the present invention, it can solve the problem that centring disk effectively suppresses the problem of loudspeaker is polarized.
Description
Technical field
The present invention relates to acoustic-electric switch technology field, more specifically, it is related to a kind of many vibrating membrane loudspeakers.
Background technology
Loudspeaker is one of device of a most critical in stereo set, for acoustics, and it is one again
Most important part.The species of loudspeaker is various, and audio electric energy makes its cone or diaphragm by electromagnetism, piezoelectricity or electrostatic effect
Vibrate and produce resonance with the air of surrounding（Sympathetic response）And send sound.
The loudspeaker of traditional structure includes vibrating diaphragm and driver element.Wherein, driver element includes centring disk, generally centering
Branch piece is placed on below the first vibrating diaphragm, polarization of the centring disk to suppress product.Several circular vibrating diaphragms are generally used, and
Connecting rod passes through these vibrating diaphragms, and connects together；But by air draught by making on the vibrating diaphragm that connecting rod is passed through
Opening leak；So as to cause phase inter-modulation, harmonic distortion and cause the leakage shadow of the turbulence noise of bad sound quality
Ring.
When solving air leakage problem, by the way of connecting rod does not penetrate vibrating diaphragm, pass through inside connecting rod between vibrating diaphragm
It is connected with outer tie rod, meanwhile, the position that the centring disk in traditional loudspeaker is placed shakes in driving vibration source from nearer
Film（That is the first vibrating diaphragm）Lower section, although this design method can suppress the polarization of product, closely can not very much from vibration source is obtained
It is effective to carry out suppression polarization, so as to influence the quality of product.
Therefore, based on above mentioned problem, in order to effectively suppress polarization, it is necessary to which the structure to traditional loudspeaker changes
Enter.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of many vibrating membrane loudspeakers, to solve centring disk effectively
Suppress the problem of loudspeaker is polarized.
The present invention provides a kind of many vibrating membrane loudspeakers, including at least four vibrating diaphragms, inside connecting rod, outer tie rod, driving source
And centring disk, wherein,
Vibrating diaphragm positioned at odd bits by inside connecting rod is interconnected to form first group of vibrating diaphragm, will connect positioned at odd bits
The inside connecting rod of vibrating diaphragm is attached by outer tie rod；
Connected positioned at the vibrating diaphragm of even bit by inside connecting rod and be interconnected to form second group of vibrating diaphragm, connection is located at even number
The inside connecting rod of the vibrating diaphragm of position is attached by outer tie rod；
Driving source is arranged on the two ends of many vibrating membrane loudspeakers, and each driving source drives first group of vibrating diaphragm respectively and second group is shaken
Film；Centring disk be fitted in respectively the DOME of the vibrating diaphragm away from the first magnetic circuit in first group of vibrating diaphragm it is upper with it is remote in second group of vibrating diaphragm
On the DOME of the vibrating diaphragm of second magnetic circuit.
Furthermore it is preferred that scheme be that driving source is moving-coil type driving source, including the first magnetic circuit and the second magnetic circuit；Wherein,
Including the first magnetic circuit and the second magnetic circuit；First magnetic circuit is directly driven in first group of vibrating diaphragm close to first magnetic circuit
The vibrating diaphragm away from the first magnetic circuit is connected in first group of vibrating diaphragm by inside connecting rod and outside close to first in vibrating diaphragm, first group of vibrating diaphragm
Vibrated jointly under the drive of the vibrating diaphragm of magnetic circuit；
Second magnetic circuit is directly driven in the vibrating diaphragm of close second magnetic circuit in second group of vibrating diaphragm, second group of vibrating diaphragm away from the second magnetic
The vibrating diaphragm on road is by inside connecting rod and outer connection with being vibrated jointly under the drive of the vibrating diaphragm of the second magnetic circuit in second group of vibrating diaphragm.
Furthermore it is preferred that scheme be, in addition to two groups of FPCB circuits；First magnetic circuit and the second magnetic circuit pass through two groups respectively
FPCB circuits are connected with external circuit, and all vibrating diaphragms are driven.
Furthermore it is preferred that scheme be, each vibrating diaphragm include positioned at center rigid DOME and positioned at margin location
The ring portion put,.
Furthermore it is preferred that scheme be that centring disk is fitted in first group of vibrating diaphragm respectively by the intermediate region of centring disk
In the vibrating diaphragm away from the first magnetic circuit DOME is upper and second group of vibrating diaphragm in remote second magnetic circuit vibrating diaphragm DOME on.
Furthermore it is preferred that scheme be that tie point is provided with each vibrating diaphragm, all vibrating diaphragms pass through tie point and interior connection
It is attached.
Furthermore it is preferred that scheme be, inside connecting rod include stock and quarter butt, the stock and quarter butt of inside connecting rod are at first group
Interlaced distribution in vibrating diaphragm.
Furthermore it is preferred that scheme be, stock and the quarter butt interlaced distribution in second group of vibrating diaphragm of inside connecting rod；And
And, in the starting vibrating diaphragm of first group of vibrating diaphragm and second group of vibrating diaphragm, the interlaced distribution of stock and quarter butt of inside connecting rod.
It was found from technical scheme above, centring disk is arranged far from its driving by many vibrating membrane loudspeakers of the invention
The lower section of the vibrating diaphragm of magnetic circuit, compared to the lower position of the vibrating diaphragm with being disposed close to drive magnetic circuit, can more effectively suppress to raise
The polarization of sound device, makes the sound quality of loudspeaker more preferable.
In order to realize above-mentioned and related purpose, one or more aspects of the invention include will be explained in below and
The feature particularly pointed out in claim.Some illustrative aspects of the present invention are described in detail in following explanation and accompanying drawing.
However, some modes in the various modes for the principle that the present invention only can be used that these aspects are indicated.In addition, of the invention
It is intended to include all these aspects and their equivalent.
Brief description of the drawings
By reference to the explanation and the content of claims below in conjunction with accompanying drawing, and with to the present invention more comprehensively
Understand, other purposes of the invention and result will be more apparent and should be readily appreciated that.In the accompanying drawings：
Fig. 1 is the centring disk position view of many vibrating membrane loudspeakers according to the embodiment of the present invention；
Fig. 2 is the planar structure schematic diagram of many vibrating membrane loudspeakers according to the embodiment of the present invention；
Fig. 3 is the dimensional structure diagram of many vibrating membrane loudspeakers according to the embodiment of the present invention.
Reference therein includes：First magnetic circuit 11, the second magnetic circuit 12, the first FPCB circuits 21, the 2nd FPCB circuits
22nd, the first vibrating diaphragm 31, the second vibrating diaphragm 32, the 3rd vibrating diaphragm 33, the 4th vibrating diaphragm 34, outer tie rod 4, quarter butt 51, stock 52, first are determined
Heart branch piece 6.
Identical label indicates similar or corresponding feature or function in all of the figs.
Embodiment
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, explain
Many details are stated.It may be evident, however, that these embodiments can also be realized in the case of these no details.
The specific embodiment of the present invention is described in detail below with reference to accompanying drawing.
In the following description, the purpose in explanation, below in the statement of the specific embodiment of the invention, will shake
The rigid position unified presentation of center membrane is " DOME " one word.
It should be noted that the swept area of loudspeaker is improved by the way of many vibrating diaphragms in the present invention, therefore will
Connected respectively by outer tie rod positioned at the vibrating diaphragm of odd bits and even bit and constitute two groups of vibrating diaphragms, and formed between each vibrating diaphragm
On chamber casing, to reach sealed purpose.Simultaneously as outer tie rod is employed in loudspeaker, therefore addition ante-chamber
Sealing device is to separate the ante-chamber and back cavity of loudspeaker.
Due to employing inside connecting rod and outer tie rod in the present invention, therefore during loudspeaker is made, without
Penetrating vibrating diaphragm just can realize the connection between each vibrating diaphragm, it is to avoid because distortion caused by gas leakage, improve the sounding effect of loudspeaker
Rate, while also reducing the manufacture difficulty of loudspeaker.
It is above-mentioned that all parts of many vibrating membrane loudspeakers provided by the present invention and the annexation of each part are summarized
Property description, the connection between following each parts that many vibrating membrane loudspeakers provided by the present invention will be explained in greater detail closes
System.
Specifically, many vibrating membrane loudspeakers include at least four vibrating diaphragms, inside connecting rod, outer tie rod, driving source and centering branch
Piece.Wherein, driving source is moving-coil type driving source, including the first magnetic circuit and the second magnetic circuit.
Vibrating diaphragm positioned at odd bits by the inside connecting rod is interconnected to form first group of vibrating diaphragm, and connection is located at odd bits
The inside connecting rod of vibrating diaphragm connected by the outer tie rod；Vibrating diaphragm positioned at even bit is mutual by the inside connecting rod
Connection forms second group of vibrating diaphragm, and connection is connected positioned at the inside connecting rod of the vibrating diaphragm of even bit by the outer tie rod.
Driving source is arranged on the two ends of many vibrating membrane loudspeakers, and each driving source drives first group of vibrating diaphragm respectively and second group is shaken
Film；Centring disk be fitted in respectively the DOME of the vibrating diaphragm away from the first magnetic circuit in first group of vibrating diaphragm it is upper with it is remote in second group of vibrating diaphragm
On the DOME of the vibrating diaphragm of second magnetic circuit.
Specifically, many vibrating membrane loudspeakers also include two groups of FPCB circuits；First magnetic circuit and the second magnetic circuit pass through two groups respectively
FPCB circuits are connected with external circuit, and all vibrating diaphragms are driven.Tie point, all vibrating diaphragms are provided with each vibrating diaphragm
It is attached by tie point with inside connecting rod.Inside connecting rod includes stock and quarter butt, and the stock and quarter butt of inside connecting rod are the
Interlaced distribution in one group of vibrating diaphragm.The interlaced distribution in second group of vibrating diaphragm of the stock and quarter butt of inside connecting rod.
It should be noted that being provided with tie point on vibrating diaphragm, vibrating diaphragm is attached by tie point with inside connecting rod.And
And, inside connecting rod includes stock and quarter butt, stock and the quarter butt interlaced distribution in first group of vibrating diaphragm of inside connecting rod；Together
When, stock and the quarter butt interlaced distribution in second group of vibrating diaphragm of inside connecting rod, and in first group of vibrating diaphragm and second group of vibrating diaphragm
Starting vibrating diaphragm in, the interlaced distribution of stock and quarter butt of inside connecting rod.
Sound is produced because the operation principle of loudspeaker relies primarily on vibration of membrane of shaking, and vibrating diaphragm has necessarily in vibration
Amplitude, in order to control vibrating diaphragm vibration when amplitude, the diverse location that connecting rod is placed on to the DOME of vibrating diaphragm can be effective
Suppress weave mode and beam mode more than vibrating diaphragm.And in first group of vibrating diaphragm and second group of vibrating diaphragm, by inside connecting rod
Stock be connected in 1/2 region of the DOME major axis of the vibrating diaphragm with the vibrating diaphragm, by the quarter butt of the inside connecting rod in institute
The flexural vibrations for being more beneficial for suppressing vibrating diaphragm are connected in 1/4 region of the DOME major axis for stating vibrating diaphragm with the vibrating diaphragm.
First magnetic circuit directly drives the vibrating diaphragm close to first magnetic circuit in first group of vibrating diaphragm, away from the in first group of vibrating diaphragm
The vibrating diaphragm of one magnetic circuit is connected to common under the drive of the vibrating diaphragm of the first magnetic circuit in first group of vibrating diaphragm by inside connecting rod and outside
Vibration.
Second magnetic circuit is directly driven in the vibrating diaphragm of close second magnetic circuit in second group of vibrating diaphragm, second group of vibrating diaphragm away from the second magnetic
The vibrating diaphragm on road is by inside connecting rod and outer connection with being vibrated jointly under the drive of the vibrating diaphragm of the second magnetic circuit in second group of vibrating diaphragm.
Centring disk is fitted in first group of vibrating diaphragm on the DOME of the vibrating diaphragm away from the first magnetic circuit and second group of vibrating diaphragm respectively
In away from the second magnetic circuit vibrating diaphragm DOME on.
Specifically, each vibrating diaphragm includes the rigid DOME positioned at center and the ring portion positioned at marginal position,
Two centring disk central areas are fitted in first group of vibrating diaphragm on the DOME of the vibrating diaphragm away from the first magnetic circuit and second group respectively
In vibrating diaphragm on the DOME of the vibrating diaphragm away from the second magnetic circuit.That is, in the present invention, the vibrating diaphragm of odd bits constitutes first group and shaken
Film, the vibrating diaphragm of even bit constitutes second group of vibrating diaphragm；It is provided with a centring disk, second group of vibrating diaphragm and also sets in first group of vibrating diaphragm
It is equipped with a centring disk.
Because, centring disk is an important part in dynamic speaker vibrational system, typically one piece with weaving
The circular corrugated plating that material is made；Centring disk can be worth voice coil loudspeaker voice coil in loudspeaker and preserve correct position in magnetic seam, and
And in stress, value is axially moved back and forth, meanwhile, also loudspeaker is determined jointly with the vibrating diaphragm and voice coil loudspeaker voice coil in vibrational system
Resonant frequency.
In the loudspeaker of this multiple vibrating diaphragm compositions, if polarizing, the amplitude of the vibrating diaphragm away from its driving source is bigger,
Therefore, in the present invention, centring disk is remotely from the vibrating diaphragm lower position of vibration source, so as to effectively suppress loudspeaker
Polarization, it is ensured that the quality of loudspeaker sound.
In the present invention, the loudspeaker of many vibrating diaphragms, i.e. vibrating diaphragm are used and is at least four, or six or eight
It is individual or more, and the quantity of vibrating diaphragm needed for even number.Fig. 1, Fig. 2 and Fig. 3 be loudspeaker that vibrating diaphragm is four each
Position relationship between part.It is described in detail below so that the vibrating diaphragm of loudspeaker is four as an example.
Fig. 1 shows the centring disk position of many vibrating membrane loudspeakers according to embodiments of the present invention；Fig. 2 is shown according to this
The planar structure of many vibrating membrane loudspeakers of inventive embodiments, Fig. 3 shows many vibrating membrane loudspeakers according to embodiments of the present invention
Stereochemical structure.
Including four vibrating diaphragms, inside connecting rod, outer tie rod, two drives as shown in Figure 1, Figure 2 and Figure 3, in the present embodiment,
Dynamic source, two centring disks and two groups of FPCB circuits.
Wherein, four vibrating diaphragms are respectively the first vibrating diaphragm 31, the second vibrating diaphragm 32, the 3rd vibrating diaphragm 33, the 4th vibrating diaphragm 34；Driving source
For moving-coil type driving source, including it is respectively the first magnetic circuit 11 and the second magnetic circuit 12.First magnetic circuit 11 and the second magnetic circuit 12 lead to respectively
Cross the first FPCB circuits 21 and the 2nd FPCB circuits 22 are connected with external circuit, and vibrating diaphragm is driven.Wherein, vibrating diaphragm includes position
Rigid DOME in center and the ring portion positioned at marginal position；Two centring disks are respectively the first centring disk 6
With the second centring disk（Do not marked in figure）.
That is, multiple vibrating diaphragms of loudspeaker are respectively the first vibrating diaphragm 31, the second vibrating diaphragm 32, the 3rd vibrating diaphragm the 33, the 4th
Vibrating diaphragm 34；2 magnetic circuits are respectively the first magnetic circuit 11 and the second magnetic circuit 12.Wherein, the first vibrating diaphragm 31 and the 3rd vibrating diaphragm 33 are odd number
The vibrating diaphragm of position, i.e., first group vibrating diaphragm；Second vibrating diaphragm 32 and the vibrating diaphragm that the 4th vibrating diaphragm 34 is even bit, i.e., second group vibrating diaphragm.
First group of vibrating diaphragm is commonly connected together by quarter butt 51 and stock 52, and outer tie rod 4；First magnetic circuit 11 leads to
The first FPCB circuits 21 are crossed to be connected with the first vibrating diaphragm 31 in first group of vibrating diaphragm, when the first magnetic circuit 11 drives the first vibrating diaphragm 31,
3rd vibrating diaphragm 33 can in the presence of interior outer tie rod with the common up-down vibration of the first vibrating diaphragm.
Meanwhile, second group of vibrating diaphragm is commonly connected together by quarter butt and stock, and outer tie rod；Second magnetic circuit 12 leads to
The 2nd FPCB circuits 22 are crossed to be connected with the 4th vibrating diaphragm 34 in second group of vibrating diaphragm, when the second magnetic circuit 12 drives four vibrating diaphragms 34,
Second vibrating diaphragm 32 can in the presence of interior outer tie rod with the common up-down vibration of the second vibrating diaphragm.
It should be noted that the direction of first group of diaphragm oscillations and second group of diaphragm oscillations is in opposite direction.But, first
The first vibrating diaphragm 31 is identical with the direction of vibration of the 3rd vibrating diaphragm 33 in group vibrating diaphragm；The second vibrating diaphragm 32 and the 4th in second group of vibrating diaphragm shakes
The direction of vibration of film 34 is identical.
Now, as shown in figure 1, two centring disks are the first centring disk 6 and the second centring disk（Not in figure acceptance of the bid
Go out）On the DOME for being separately mounted to the second vibrating diaphragm 32 and the 3rd vibrating diaphragm 33, the second vibrating diaphragm 32 and the 3rd vibrating diaphragm 33 are respectively further from
One magnetic circuit 11 and the second magnetic circuit 12, at this moment, centring disk can suppress the amplitude of whole system polarization to the full extent, to ensure to raise
The good tonequality of sound device.
Due to the present invention is to provide many vibrating membrane loudspeakers, so the vibrating diaphragm of loudspeaker can also be six, below with
The loudspeaker of six vibrating diaphragms describes centring disk in detail exemplified by prevents the particular location in loudspeaker.
Vibrating diaphragm is respectively the first vibrating diaphragm, the second vibrating diaphragm, the 3rd vibrating diaphragm, the 4th vibrating diaphragm, the 5th vibrating diaphragm and the 6th vibrating diaphragm；2
Magnetic circuit is respectively the first magnetic circuit and the second magnetic circuit.Wherein, the first vibrating diaphragm, the 3rd vibrating diaphragm and the 5th vibrating diaphragm are the vibrating diaphragm of odd bits,
I.e. first group vibrating diaphragm；Second vibrating diaphragm, the 4th vibrating diaphragm and the 6th vibrating diaphragm are the vibrating diaphragm of even bit, i.e., second group vibrating diaphragm.
First group of vibrating diaphragm is commonly connected together by quarter butt and stock, and outer tie rod；First magnetic circuit passes through first
FPCB circuits are connected with the first vibrating diaphragm in first group of vibrating diaphragm, when the first magnetic circuit drives the first vibrating diaphragm, the 3rd vibrating diaphragm and the 5th
Vibrating diaphragm can in the presence of interior outer tie rod with the common up-down vibration of the first vibrating diaphragm.
Meanwhile, second group of vibrating diaphragm is commonly connected together by quarter butt and stock, and outer tie rod；Second magnetic circuit passes through
2nd FPCB circuits are connected with the 4th vibrating diaphragm in second group of vibrating diaphragm, when the second magnetic circuit drive four vibrating diaphragms when, the second vibrating diaphragm and
6th vibrating diaphragm can in the presence of interior outer tie rod with the common up-down vibration of the second vibrating diaphragm.
It should be noted that the direction of first group of diaphragm oscillations is also opposite with the direction of second group of diaphragm oscillations.But,
The direction of vibration of the first vibrating diaphragm, the 3rd vibrating diaphragm and the 5th vibrating diaphragm is identical in first group of vibrating diaphragm；The second vibrating diaphragm in second group of vibrating diaphragm,
The direction of vibration of 4th vibrating diaphragm and the 6th vibrating diaphragm is identical.
Now, two centring disks are arranged on the DOME of the second vibrating diaphragm and the 5th vibrating diaphragm, the second vibrating diaphragm and the 5th vibrating diaphragm
The first magnetic circuit and the second magnetic circuit are respectively further from, at this moment, centring disk can farthest suppress loudspeaker polarization, to ensure to raise
The good tonequality of sound device.
In addition, one in the present invention is preferred embodiment, two centring disks are arranged on the second vibrating diaphragm and the 3rd
On the DOME of vibrating diaphragm, the second vibrating diaphragm and the 3rd vibrating diaphragm are respectively further from the first magnetic circuit and the second magnetic circuit, at this moment, and centring disk distance is shaken
Source is farther can farthest to be suppressed loudspeaker and polarizes, to ensure the quality of loudspeaker sound.
Many vibrating membrane loudspeakers that the present invention is provided can be seen that by above-mentioned embodiment, centring disk is arranged on far
From the lower section of driving source vibrating diaphragm, compared to the position with being disposed close to driving source vibrating diaphragm, it can more effectively suppress loudspeaker surely
Polarization, ensure that the good sound quality of loudspeaker.
Described in an illustrative manner above with reference to accompanying drawing according to many vibrating membrane loudspeakers proposed by the present invention.But, ability
Field technique personnel should be appreciated that many vibrating membrane loudspeakers proposed for the invention described above, can also not depart from the present invention
Various improvement are made on the basis of appearance.Therefore, protection scope of the present invention should be determined by the content of appended claims.
Claims (8)
1. a kind of many vibrating membrane loudspeakers, including at least four vibrating diaphragms, inside connecting rod, outer tie rod, driving source and centring disk, its
In,
Vibrating diaphragm positioned at odd bits by the inside connecting rod is interconnected to form first group of vibrating diaphragm, and connection being shaken positioned at odd bits
The inside connecting rod of film is connected by the outer tie rod；
Vibrating diaphragm positioned at even bit by the inside connecting rod is interconnected to form second group of vibrating diaphragm, and connection being shaken positioned at even bit
The inside connecting rod of film is connected by the outer tie rod；
The driving source is moving-coil type driving source, including the first magnetic circuit and the second magnetic circuit；The driving source is arranged on many vibrating diaphragms and raised
The two ends of sound device, each driving source drives first group of vibrating diaphragm and second group of vibrating diaphragm respectively；
The centring disk is fitted in the rigid portion at the vibrating diaphragm center away from first magnetic circuit in first group of vibrating diaphragm respectively
On position and second group of vibrating diaphragm in away from second magnetic circuit vibrating diaphragm center rigid position on, wherein, the interior connection
The stock of bar is connected in 1/2 region of the rigid portion bit length axle at the vibrating diaphragm center with the vibrating diaphragm, the inside connecting rod
Quarter butt is connected in 1/4 region of the rigid portion bit length axle at the vibrating diaphragm center with the vibrating diaphragm.
2. many vibrating membrane loudspeakers as claimed in claim 1, wherein,
First magnetic circuit directly drives the vibrating diaphragm close to first magnetic circuit, first group of vibrating diaphragm in first group of vibrating diaphragm
In the vibrating diaphragm away from first magnetic circuit is by the inside connecting rod and described outer is connected in first group of vibrating diaphragm close to institute
Vibrated jointly under the drive for the vibrating diaphragm for stating the first magnetic circuit；
Second magnetic circuit directly drives the vibrating diaphragm close to second magnetic circuit, second group of vibrating diaphragm in second group of vibrating diaphragm
In the vibrating diaphragm away from second magnetic circuit pass through the inside connecting rod and the outer connection with second group of vibrating diaphragm close to institute
Vibrated jointly under the drive for the vibrating diaphragm for stating the second magnetic circuit.
3. many vibrating membrane loudspeakers as claimed in claim 1, in addition to two groups of FPCB circuits；Wherein,
First magnetic circuit and second magnetic circuit are connected by two groups of FPCB circuits with external circuit respectively, and to all
Vibrating diaphragm is driven.
4. many vibrating membrane loudspeakers as claimed in claim 1, each vibrating diaphragm is included positioned at the rigid position and position of center
In the ring portion of marginal position.
5. many vibrating membrane loudspeakers as claimed in claim 4, wherein, the middle area that the centring disk passes through the centring disk
Domain is fitted in first group of vibrating diaphragm on the rigid position at the vibrating diaphragm center away from first magnetic circuit and described second respectively
In group vibrating diaphragm on the rigid position at the vibrating diaphragm center away from second magnetic circuit.
6. many vibrating membrane loudspeakers as claimed in claim 4, wherein, tie point is provided with each vibrating diaphragm, all vibrating diaphragms lead to
The tie point is crossed to be attached with the interior connection.
7. many vibrating membrane loudspeakers as claimed in claim 6, wherein, the inside connecting rod includes stock and quarter butt, the interior company
The interlaced distribution in first group of vibrating diaphragm of the stock and quarter butt of extension bar.
8. many vibrating membrane loudspeakers as claimed in claim 7, wherein,
The interlaced distribution in second group of vibrating diaphragm of the stock and quarter butt of the inside connecting rod；Also,
In the starting vibrating diaphragm of first group of vibrating diaphragm and second group of vibrating diaphragm, the stock and quarter butt of the inside connecting rod are mutual
It is interspersed.
Priority Applications (1)
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| CN201410038239.8A CN103813244B (en) | 2014-01-26 | 2014-01-26 | Many vibrating membrane loudspeakers |
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| CN201410038239.8A CN103813244B (en) | 2014-01-26 | 2014-01-26 | Many vibrating membrane loudspeakers |
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| CN103813244B true CN103813244B (en) | 2017-07-21 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111405427B (en) * | 2019-12-27 | 2021-07-09 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111131976B (en) * | 2020-03-05 | 2021-02-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
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|---|---|---|---|---|
| US3649776A (en) * | 1969-07-22 | 1972-03-14 | William D Burton | Omnidirectional horn loudspeaker |
| EP0771133A1 (en) * | 1995-10-27 | 1997-05-02 | Harman International Industries Incorporated | Multiple cone electroacoustic transducer |
| CN1977564A (en) * | 2004-06-03 | 2007-06-06 | 迪芬尼公司 | Acoustic transducer comprising a plurality of coaxially arranged diaphragms |
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| Publication number | Publication date |
|---|---|
| CN103813244A (en) | 2014-05-21 |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant before: Goertek Inc. |
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