CN110536217A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN110536217A CN110536217A CN201910591137.1A CN201910591137A CN110536217A CN 110536217 A CN110536217 A CN 110536217A CN 201910591137 A CN201910591137 A CN 201910591137A CN 110536217 A CN110536217 A CN 110536217A
- Authority
- CN
- China
- Prior art keywords
- hole
- layer
- vibration
- top dome
- row
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H04R7/127—Non-planar diaphragms or cones dome-shaped
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention provides a kind of loudspeakers, including frame, it is individually fixed in the vibrational system and magnetic circuit system of the frame, the vibrational system includes the voice coil for being fixed on the vibrating diaphragm and the driving diaphragm oscillations sounding of the frame, the vibrating diaphragm includes top dome, and the top dome is multi-cellular structure along the both ends of direction of vibration.Compared with the relevant technologies, loudspeaker provided by the invention is by setting multi-cellular structure along the both ends of direction of vibration for the top dome, when the loudspeaker is assembled in loudspeaker enclosure, the pneumatic noise in loudspeaker enclosure ante-chamber can be effectively reduced, achieve the purpose that improve performance and sound quality.
Description
[technical field]
The present invention relates to electroacoustic conversion art more particularly to a kind of loudspeakers.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just
The music function of high-quality, therefore, the loudspeaker for playing sound be widely applied Intelligent mobile equipment till now it
In.
The loudspeaker of the relevant technologies includes frame and the vibrational system and magnetic circuit system for being individually fixed in frame, the vibration
System includes the voice coil for being fixed on the vibrating diaphragm and the driving diaphragm oscillations sounding of the frame, and the vibrating diaphragm includes top dome.
However, the loudspeaker of the relevant technologies mostly uses common aluminum or wooden top dome, top dome in direction of vibration two
End is smooth surface, when the loudspeaker of the relevant technologies is placed in loudspeaker enclosure, so that before loudspeaker enclosure exists significantly
Chamber resonance, and energy is excessively high near high-frequency resonant, it will usually obvious magnification distortion and noise.
Therefore, it is necessary to provide the new loudspeaker of one kind to solve the above problems.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of pneumatic noises that can be effectively reduced in ante-chamber, can improve
The loudspeaker of performance and sound quality.
In order to solve the above technical problems, the present invention provides a kind of loudspeaker, including frame, it is individually fixed in the frame
Vibrational system and magnetic circuit system, the vibrational system include the vibrating diaphragm for being fixed on the frame, driving diaphragm oscillations hair
The voice coil of sound, the vibrating diaphragm include top dome, and the top dome is multi-cellular structure along the both ends of direction of vibration.
Preferably, the material of the top dome is foaming metal.
Preferably, the top dome includes the first layer close to the voice coil, the second layer far from the voice coil and connection institute
State the middle layer of first layer and the second layer, the material of the first layer and the second layer is foaming metal, the centre
Layer is aluminium foil layer.
Preferably, the foaming metal is foaming aluminum or Foamed Nickel.
Preferably, the first layer include the first noumenon portion and along direction of vibration through the first noumenon portion multiple the
One through-hole, the second layer include the second body part and run through multiple second through-holes of second body part along direction of vibration,
The aperture of the first through hole is identical as the aperture of second through-hole, and each first through hole on direction of vibration with
One second through-hole is oppositely arranged.
Preferably, multiple first through hole and multiple second through-holes are arranged in array, and first described in each column
Spacing between through-hole is identical, and the spacing between the second through-hole described in each column is identical, the spacing between first through hole described in every row
Identical, the spacing between the second through-hole described in every row is identical.
Preferably, the first layer further includes the multiple third through-holes for running through the first noumenon portion along direction of vibration, institute
State the second layer further include along direction of vibration run through second body part multiple fourth holes, the aperture of the third through-hole with
The aperture of the fourth hole is identical, and the aperture of the third through-hole and the fourth hole is less than the first through hole and institute
State the aperture of the second through-hole.
Preferably, multiple third through-holes and multiple fourth holes are arranged in array, and third described in each column
Spacing between through-hole is identical, and the spacing between fourth hole described in each column is identical, the spacing between third through-hole described in every row
Identical, the spacing between fourth hole described in every row is identical.
Preferably, cross section of the top dome on direction of vibration is in rectangle, along the length direction of the top dome, each column institute
First through hole is stated successively to be arranged alternately with third through-hole described in each column, fourth hole described in the second through-hole described in each column and each column according to
Secondary to be arranged alternately, along the width direction of the top dome, first through hole described in every row successively replaces with third through-hole described in every row to be set
It sets, the second through-hole described in every row is successively arranged alternately with fourth hole described in every row.
Compared with the relevant technologies, loudspeaker of the invention is more micropores by the way that the top dome is arranged along the both ends of direction of vibration
The energy of ante-chamber resonance peak can be effectively reduced because multi-cellular structure has biggish acoustic damping in structure, while reducing distortion
Reduce high-frequency resonant to the amplification of noise；Meanwhile multi-cellular structure can improve the air flow direction in loudspeaker, make to bring about the desired sensation
Stream can also flow other than conventional path through multi-cellular structure, and the air in multi-cellular structure internal clearance is with stronger
Damping can be equally used for absorbing high-frequency noise.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the schematic perspective view for the loudspeaker that the embodiment of the present invention one provides；
Fig. 2 is the stereochemical structure diagrammatic cross-section of loudspeaker shown in FIG. 1；
Fig. 3 is the part A enlarged drawing of loudspeaker shown in Fig. 2；
Fig. 4 is the stereochemical structure decomposing schematic representation of the top dome for the loudspeaker that the embodiment of the present invention one provides；
Fig. 5 is the stereochemical structure diagrammatic cross-section of loudspeaker provided by Embodiment 2 of the present invention；
Fig. 6 is the part B enlarged drawing of loudspeaker shown in fig. 5.
[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 the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
Please refer to Fig. 1 to Fig. 3, the present invention provides a kind of loudspeaker 100, the loudspeaker 100 include frame 11,
It is individually fixed in the vibrational system 13 and magnetic circuit system 15 of the frame 11.
The vibrational system 13 includes the vibrating diaphragm 131 and driving 131 vibration sounding of vibrating diaphragm for being fixed on the frame 11
Voice coil 133.
The vibrating diaphragm 131 includes top dome 1311, connect with the top dome 1311 vibration section 1313, from the vibration section
1313 outwardly extending ring portions 1315 and continue outwardly extending fixed part 1317 from the ring portion 1315.The fixed part
1317 are fixedly connected with the frame 11, so that the vibrating diaphragm 131 is fixed on the frame 11.
It should be noted that the vibration section 1313 is connect on direction of vibration with the top dome 1311, and in this implementation
In mode, the vibration section 1313 is annular in shape, and the vibration section 1313 is fixedly connected with the periphery of the top dome 1311.
Cross section of the top dome 1311 on direction of vibration is in rectangle, and the top dome 1311 is along the both ends of direction of vibration
For multi-cellular structure.Because multi-cellular structure has biggish acoustic damping, the energy of ante-chamber resonance peak can be effectively reduced, reduce and lose
It is genuine to reduce high-frequency resonant to the amplification of noise simultaneously, meanwhile, multi-cellular structure can also improve in the loudspeaker 100
Air flow direction so that air-flow can also flow other than conventional path through multi-cellular structure, and multi-cellular structure internal clearance
Interior air has stronger damping, can be equally used for absorbing high-frequency noise.
Specifically, please referring to Fig. 4, in the present embodiment, the top dome 1311 includes close to the voice coil 133
First layer 1321, the second layer 1323 far from the voice coil 133 and the connection first layer 1321 and the second layer 1323
Middle layer 1325.Meanwhile the material of the first layer 1321 and the second layer 1323 is foaming metal, the middle layer 1325
For aluminium foil layer.
It should be noted that the foaming metal includes foaming aluminum, Foamed Nickel etc., in the present embodiment, the foaming
Metal is foaming aluminum.
Using foaming metal as the first layer 1321 and the material of the second layer 1323, itself just have mostly micro-
The characteristics of pore structure, plays the technical effect for improving 100 acoustical behavior of loudspeaker.
Further, it by being combined to the aperture in the multi-cellular structure, distributing position, can achieve to difference
The effect that the noise of frequency range is adjusted.In the present embodiment, the first layer 1321 includes first layer body part 1341, edge
Direction of vibration is through multiple first through hole 1343 in the first noumenon portion 1341 and equally along direction of vibration through described first
Multiple third through-holes 1345 of body part 1341.
The second layer 1323 is including the second body part 1361, along direction of vibration through the more of second body part 1361
A second through-hole 1363 and the multiple fourth holes 1365 for equally running through second body part 1361 along direction of vibration.
It should be noted that the first through hole 1343, second through-hole 1363, the third through-hole 1345 and described
The cross-sectional shape of fourth hole 1365 can be circle, triangle, ellipse, square etc., in the present embodiment, above-mentioned
The cross-sectional shape of through-hole is circle.
Preferably, the aperture of the first through hole 1343 is identical as the aperture of second through-hole 1363, and each described
First through hole 1343 is oppositely arranged with second through-hole 1363 on direction of vibration.
Multiple first through hole 1343 and multiple second through-holes 1363 are arranged in array, and first described in each column
Spacing between through-hole 1343 is identical, and the spacing between the second through-hole 1363 described in each column is identical, first through hole described in every row
Spacing between 1343 is identical, and the spacing between the second through-hole 1363 described in every row is identical.
The aperture of the third through-hole 1345 is identical as the aperture of the fourth hole 1365, and the third through-hole 1345
It is less than the aperture of the first through hole 1343 and second through-hole 1363 with the aperture of the fourth hole 1365.
Multiple third through-holes 1345 and multiple fourth holes 1365 are arranged in array, and third described in each column
Spacing between through-hole 1345 is identical, and the spacing between fourth hole 1365 described in each column is identical, and third through-hole described in every row
Spacing between 1345 is identical, and the spacing between fourth hole 1365 described in every row is identical.
Meanwhile along the length direction of the top dome 1311, third through-hole described in first through hole 1343 described in each column and each column
1345 are successively arranged alternately, and the second through-hole 1363 described in each column is successively arranged alternately with fourth hole 1365 described in each column；Along institute
The width direction of top dome 1311 is stated, first through hole 1343 described in every row is successively arranged alternately with third through-hole 1345 described in every row,
Second through-hole 1363 described in every row is successively arranged alternately with fourth hole 1365 described in every row.
Certainly, the hole between above-mentioned first through hole 1343, the second through-hole 1345, third through-hole 1363 and fourth hole 1365
Diameter size and location relationship is only one embodiment of the present invention, such set-up mode can to the noise in certain frequency range into
Row is adjusted.When needing that different noise frequency ranges is adjusted, the first layer 1321 and the second layer 1323 can be with
More fifth holes, the 6th through-hole etc. are set, and the position arrangement between through-hole can also be adjusted.
Embodiment two
The structure of loudspeaker 200 provided in this embodiment and the loudspeaker 100 that embodiment one provides is essentially identical, difference
It is the structure of the top dome 2311.
Fig. 5 and Fig. 6 are please referred to, in the present embodiment, the top dome 2311 of foaming metal material by being made
Plate structure.Specifically, the foaming metal includes foaming aluminum, Foamed Nickel etc., in the present embodiment, the foaming metal
For Foamed Nickel.
Compared with the relevant technologies, loudspeaker of the invention is more micropores by the way that the top dome is arranged along the both ends of direction of vibration
The energy of ante-chamber resonance peak can be effectively reduced because multi-cellular structure has biggish acoustic damping in structure, while reducing distortion
Reduce high-frequency resonant to the amplification of noise；Meanwhile multi-cellular structure can improve the air flow direction in loudspeaker, make to bring about the desired sensation
Stream can also flow other than conventional path through multi-cellular structure, and the air in multi-cellular structure internal clearance is with stronger
Damping can be equally used for absorbing high-frequency noise.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (9)
1. a kind of loudspeaker, including frame, it is individually fixed in the vibrational system and magnetic circuit system of the frame, the vibrational system
Including being fixed on the vibrating diaphragm of the frame and the voice coil of the driving diaphragm oscillations sounding, the vibrating diaphragm includes top dome, feature
It is, the top dome is multi-cellular structure along the both ends of direction of vibration.
2. loudspeaker according to claim 1, which is characterized in that the material of the top dome is foaming metal.
3. loudspeaker according to claim 1, which is characterized in that the top dome include close to the voice coil first layer,
The middle layer of the second layer and the connection first layer and the second layer far from the voice coil, the first layer and described second
The material of layer is foaming metal, and the middle layer is aluminium foil layer.
4. loudspeaker according to claim 2 or 3, which is characterized in that the foaming metal is foaming aluminum or Foamed Nickel.
5. loudspeaker according to claim 3, which is characterized in that the first layer includes the first noumenon portion and along vibration side
To the multiple first through hole for running through the first noumenon portion, the second layer includes the second body part and runs through institute along direction of vibration
Multiple second through-holes of the second body part are stated, the aperture of the first through hole is identical as the aperture of second through-hole, and each
The first through hole is oppositely arranged with second through-hole on direction of vibration.
6. loudspeaker according to claim 5, which is characterized in that multiple first through hole and multiple second through-holes
It being arranged in array, and the spacing between first through hole described in each column is identical, the spacing between the second through-hole described in each column is identical,
Spacing between first through hole described in every row is identical, and the spacing between the second through-hole described in every row is identical.
7. loudspeaker according to claim 6, which is characterized in that the first layer further includes along direction of vibration through described
Multiple third through-holes in the first noumenon portion, the second layer further include multiple the through second body part along direction of vibration
Four through-holes, the aperture of the third through-hole is identical as the aperture of the fourth hole, and the third through-hole and the four-way
The aperture in hole is less than the aperture of the first through hole and second through-hole.
8. loudspeaker according to claim 7, which is characterized in that multiple third through-holes and multiple fourth holes
It being arranged in array, and the spacing between third through-hole described in each column is identical, the spacing between fourth hole described in each column is identical,
Spacing between third through-hole described in every row is identical, and the spacing between fourth hole described in every row is identical.
9. loudspeaker according to claim 8, which is characterized in that cross section of the top dome on direction of vibration is in square
Shape, along the length direction of the top dome, first through hole described in each column is successively arranged alternately with third through-hole described in each column, each column institute
It states the second through-hole to be successively arranged alternately with fourth hole described in each column, along the width direction of the top dome, first is logical described in every row
Hole is successively arranged alternately with third through-hole described in every row, and the second through-hole described in every row successively replaces with fourth hole described in every row and sets
It sets.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNPCT/CN2019/094017 | 2019-06-29 | ||
| PCT/CN2019/094017 WO2021000119A1 (en) | 2019-06-29 | 2019-06-29 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110536217A true CN110536217A (en) | 2019-12-03 |
| CN110536217B CN110536217B (en) | 2021-02-26 |
Family
ID=68659604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910591137.1A Expired - Fee Related CN110536217B (en) | 2019-06-29 | 2019-07-02 | Loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110536217B (en) |
| WO (1) | WO2021000119A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954126A (en) * | 2020-06-30 | 2020-11-17 | 瑞声新能源发展(常州)有限公司科教城分公司 | Carbon fiber dome and loudspeaker |
| CN112188373A (en) * | 2020-09-23 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Speaker and electronic equipment |
| CN112188372A (en) * | 2020-09-23 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Speaker and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090304225A1 (en) * | 2008-06-04 | 2009-12-10 | Hosiden Corporation | Dome-shaped diaphragm and loudspeaker using the same |
| CN101695145A (en) * | 2009-09-24 | 2010-04-14 | 无锡杰夫电声有限公司 | Cone of thin speaker |
| CN202535521U (en) * | 2012-03-19 | 2012-11-14 | 歌尔声学股份有限公司 | Miniature loudspeaker diaphragm |
| CN204948344U (en) * | 2015-05-04 | 2016-01-06 | 歌尔声学股份有限公司 | The diaphragm of loudspeaker and loud speaker |
| CN208337866U (en) * | 2018-04-17 | 2019-01-04 | 东莞涌韵音膜有限公司 | 3-dimensional multi-layered sound film |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165119A1 (en) * | 2014-05-01 | 2015-11-05 | 启欣有限公司 | Diaphragm sheet for making vibrating diaphragm and method of forming vibrating diaphragm, and composite vibrating diaphragm |
| CN107948890B (en) * | 2017-11-29 | 2020-04-21 | 厦门冠音泰科技有限公司 | Vibrating diaphragm for ultra-wideband loudspeaker and loudspeaker thereof |
| CN208029081U (en) * | 2018-02-11 | 2018-10-30 | 瑞声科技(新加坡)有限公司 | A kind of carbon fiber top dome and loud speaker |
| CN207968945U (en) * | 2018-02-11 | 2018-10-12 | 瑞声科技(新加坡)有限公司 | Carbon fiber top dome and loud speaker |
-
2019
- 2019-06-29 WO PCT/CN2019/094017 patent/WO2021000119A1/en active Application Filing
- 2019-07-02 CN CN201910591137.1A patent/CN110536217B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090304225A1 (en) * | 2008-06-04 | 2009-12-10 | Hosiden Corporation | Dome-shaped diaphragm and loudspeaker using the same |
| CN101695145A (en) * | 2009-09-24 | 2010-04-14 | 无锡杰夫电声有限公司 | Cone of thin speaker |
| CN202535521U (en) * | 2012-03-19 | 2012-11-14 | 歌尔声学股份有限公司 | Miniature loudspeaker diaphragm |
| CN204948344U (en) * | 2015-05-04 | 2016-01-06 | 歌尔声学股份有限公司 | The diaphragm of loudspeaker and loud speaker |
| CN208337866U (en) * | 2018-04-17 | 2019-01-04 | 东莞涌韵音膜有限公司 | 3-dimensional multi-layered sound film |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954126A (en) * | 2020-06-30 | 2020-11-17 | 瑞声新能源发展(常州)有限公司科教城分公司 | Carbon fiber dome and loudspeaker |
| CN112188373A (en) * | 2020-09-23 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Speaker and electronic equipment |
| CN112188372A (en) * | 2020-09-23 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Speaker and electronic equipment |
| CN112188373B (en) * | 2020-09-23 | 2022-04-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Speaker and electronic equipment |
| CN112188372B (en) * | 2020-09-23 | 2022-04-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Speaker and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021000119A1 (en) | 2021-01-07 |
| CN110536217B (en) | 2021-02-26 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20210226 Termination date: 20210702 |