CN108322871A - Minitype acoustic generator and loudspeaker enclosure - Google Patents
Minitype acoustic generator and loudspeaker enclosure Download PDFInfo
- Publication number
- CN108322871A CN108322871A CN201810142810.9A CN201810142810A CN108322871A CN 108322871 A CN108322871 A CN 108322871A CN 201810142810 A CN201810142810 A CN 201810142810A CN 108322871 A CN108322871 A CN 108322871A
- Authority
- CN
- China
- Prior art keywords
- acoustic generator
- minitype acoustic
- yoke
- back cavity
- loudspeaker enclosure
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 6
- 208000002925 dental caries Diseases 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H04R9/06—Loudspeakers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention provides a kind of minitype acoustic generator, including vibrational system, magnetic circuit system, the vibrational system includes vibrating diaphragm and voice coil, the magnetic circuit system includes yoke and magnet steel, the minitype acoustic generator further includes metal frame, the metal frame includes holding the first part of the vibrating diaphragm, second part from the first part to the magnet steel direction that extend from and extends from the second part to the yoke direction and hold the Part III of the yoke, the second part is equipped with leak holes, the outer surface interval of the outer surface of the first part and the Part III is arranged to form the bit space that allows around the Part III below the second part.Minitype acoustic generator and loudspeaker enclosure provided by the invention can effectively reduce the size of minitype acoustic generator, and it is small to be assemblied in occupied space in client；After minitype acoustic generator is fitted into the back cavity of loudspeaker enclosure, cavity space after will not obstructing, so as to improve the acoustical behavior of loudspeaker enclosure.
Description
【Technical field】
The present invention relates to acoustic-electric conversion art more particularly to a kind of minitype acoustic generators and loudspeaker enclosure.
【Background technology】
With the fast development of science and technology, the popularity rate of audio frequency apparatus is higher and higher, and requirement of the people to audio frequency apparatus is not only
It is only limitted to the broadcasting of video/audio, more requires to propose more require to the reliability of audio frequency apparatus.The especially arrival in 4G epoch,
Technology of Mobile Multimedia also develops therewith, and many audio frequency apparatuses have a variety of amusement functions, such as video playing, digital vedio recording, trip
Play, GPS navigation etc. require that the electronic component in audio frequency apparatus is originally more accurate and compact, and still, electronic component is got over
More, the reliability of audio frequency apparatus is poorer.
And in audio frequency apparatus, Microspeaker is exactly a kind of common electronic component.The miniature of the relevant technologies is raised one's voice
Device generally comprises the frame being made of plastics, and this plastics frame is often made thicker to ensure enough structural strengths, this
This Microspeaker can be caused to occupy excessive space when being assembled with client, moreover, when this Microspeaker
After being assembled to the shell of loudspeaker enclosure, the back cavity of loudspeaker enclosure can be divided into two cavitys, two cavitys can not be connected to, directly
Connecing reduces the size for the back cavity being connected to Microspeaker inner space, to seriously affect the acoustical behavior of loudspeaker enclosure.
Therefore, it is necessary to provide a kind of novel minitype acoustic generator and loudspeaker enclosure to solve the above problems.
【Invention content】
The purpose of the present invention is to provide a kind of minitype acoustic generators, its own size is few, and applying in loudspeaker enclosure can be with
Effectively promote the acoustical behavior of loudspeaker enclosure.
Technical scheme is as follows：A kind of minitype acoustic generator, including vibrational system, magnetic circuit system and shake positioned at described
The dynamic rear operatic tunes between system and the magnetic circuit system, the vibrational system include vibrating diaphragm and drive the voice coil of the vibrating diaphragm, institute
It states magnetic circuit system to include yoke and organize assigned in the magnet steel in the yoke, the minitype acoustic generator further includes the receiving vibration
The metal frame of system and the magnetic circuit system, the metal frame include the first part for holding the vibrating diaphragm, from described
The second part and extend and hold from the second part to the yoke direction that a part extends to the magnet steel direction
The Part III of the yoke, the second part is equipped with the leak holes for being connected to the rear operatic tunes and external environment, described
The outer surface of first part and the outer surface interval of the Part III are arranged to form ring below the second part
Around the bit space that allows of the Part III.
Preferably, the minitype acoustic generator further includes reinforcing chip, and the reinforcing chip includes being immobilizated in the yoke lower surface
Main part, bent from the main part and extend and be attached at the side of sidewall portion of the Part III outer surface and from the side
Wall portion bending extends and is attached at the turn-up portion of the second part lower surface.
Preferably, the reinforcing chip is made of stainless steel substrates.
Preferably, the minitype acoustic generator further includes being folded between the second part and the turn-up portion and covering institute
State the Air Filter of leak holes.
Preferably, the first part and the Part III are arranged in parallel.
Preferably, the first part is arranged in a mutually vertical manner with the second part
Preferably, the projection non-overlapping copies of the first part and the Part III in vertical direction.
The present invention also provides a kind of loudspeaker enclosure, including the minitype acoustic generator, the loudspeaker enclosure further includes using
In the back cavity for accommodating the minitype acoustic generator, the back cavity is separated into the first back cavity and the second back cavity by the minitype acoustic generator,
First back cavity allows bit space to be connected to second back cavity by described.
Compared with the relevant technologies, minitype acoustic generator and loudspeaker enclosure provided by the invention have the advantages that：Using
Metal frame can effectively reduce the size of minitype acoustic generator, and it is small to be assemblied in occupied space in client；By in frame week
Side setting allows bit space so that after minitype acoustic generator is fitted into the back cavity of loudspeaker enclosure, cavity space after will not obstructing, so as to improve
The acoustical behavior of loudspeaker enclosure.
【Description of the drawings】
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, wherein：
Fig. 1 is the stereogram exploded view of minitype acoustic generator of the present invention；
Fig. 2 is the sectional view of minitype acoustic generator of the present invention；
Fig. 3 is the structural schematic diagram of loudspeaker enclosure of the present invention.
【Specific implementation mode】
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 describes, 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.
Referring to Fig. 1, an embodiment of the present invention provides a kind of minitype acoustic generator 100, including vibrational system 1, magnetic circuit system
2, it accommodates the metal frame 3 of the vibrational system 1 and the magnetic circuit system 2 and is fixedly arranged on the conducting end of the metal frame 3
Son 4.The minitype acoustic generator 100 is realized by the conducting terminal 4 and is electrically connected with external circuitry, and then is the miniature hair
The work of sound device 100 provides necessary electric signal.
The vibrational system 1 includes vibrating diaphragm 11 and drives the voice coil 12 of 11 vibration sounding of vibrating diaphragm, and the vibrating diaphragm 11 wraps
The Young's modulus of the ring 111 for including top dome 110 and being arranged around the top dome 110, the top dome 110 is more than the ring 111
Young's modulus.
The magnetic circuit system 2 includes yoke 21, organizes the magnet steel 22 being assigned in the yoke 21 and be attached at the magnet steel
The pole piece 23 on 22 surfaces.
Also referring to Fig. 1 and Fig. 2, the metal frame 3 include for hold the first part 31 of the vibrating diaphragm 11, from
Second part 32 that the first part 31 extends to 22 direction of the magnet steel and from the second part 32 to the yoke
21 directions extend and are immobilizated in the Part III 33 of the yoke 21, and the Part III 33 is formed with the interval of the magnet steel 22 and used
In the magnetic gap for suspending the voice coil 12.The outer surface 310 of the first part 31 and the outside table of the Part III 33
The setting of the interval of face 330, the first part 31 and the Part III 33 vertical direction projection non-overlapping copies, in institute
It states the lower section of second part 32 and is formed and allow bit space 34 around the Part III 33.It, can be effective using the metal frame 3
The size for reducing the minitype acoustic generator 100, when being assemblied in client, space is small occupied by the minitype acoustic generator 100.
The minitype acoustic generator 100 further includes reinforcing chip 5, the present invention specific implementation mode in, the reinforcing chip 5 by
Stainless steel substrates are made, on the one hand, the reinforcing chip 5 can not only play the role of magnetic conduction, can be also used for reducing the magnetic circuit
The external magnetic radiation of system 2 produces other electronic components when being installed on client to reduce the minitype acoustic generator 100
Magnetisation influences, and on the other hand can enhance integrally-built reliability.
The reinforcing chip 5 further includes the main part 51 for being immobilizated in 21 lower surface of the yoke, is bent from the main part 51
Extend and be attached at the side of sidewall portion 52 of 33 outer surface 330 of the Part III and bent from the side of sidewall portion 52 and extends and paste
Invest the turn-up portion 53 of 32 lower surface 320 of the second part.In the specific implementation mode of the present invention, the first part 31
Arranged in parallel with the Part III 33, the first part 31 is arranged in a mutually vertical manner with the second part 32, to
Form forge piece of step type structure so that the second part 32 forms difference of height with the bottom plate 210, and then in the second part 32
Lower section allows bit space 34 described in being formed.
The minitype acoustic generator 100 includes the rear operatic tunes 6 between the vibrational system 1 and the magnetic circuit system 2, institute
It includes being set on the second part 32 for being connected to the leak holes of the rear operatic tunes 5 and external environment to state metal frame 3
321, the minitype acoustic generator 100 further include be folded between the second part 32 and the turn-up portion 53 and cover described in let out
The Air Filter 7 for revealing hole 321, by the way that the Air Filter 7 is arranged, the dust that can be effectively reduced in external environment enters with water vapour
To the rear operatic tunes 6.
Again together refering to Fig. 2 and Fig. 3, the present invention also provides a kind of loudspeaker enclosures 1000, including the miniature sounding
Device 100, the loudspeaker enclosure 1000 further include the back cavity 101 for accommodating the minitype acoustic generator 100, the minitype acoustic generator
The back cavity 101 is separated into the first back cavity 1011 and the second back cavity 1012 by 100, after first back cavity 1011 and described second
Chamber 1012 allows bit space 34 to be connected to by described so that the minitype acoustic generator 100 is fitted into the institute of the loudspeaker enclosure 1000
After stating back cavity 101, cavity space after will not obstructing, so as to improve the acoustical behavior of the loudspeaker enclosure 1000.
Compared with the relevant technologies, minitype acoustic generator and loudspeaker enclosure provided by the invention have the advantages that：Using
Metal frame can effectively reduce the size of minitype acoustic generator, and it is small to be assemblied in occupied space in client；By in frame week
Side setting allows bit space so that after minitype acoustic generator is fitted into the back cavity of loudspeaker enclosure, cavity space after will not obstructing, so as to improve
The acoustical behavior of loudspeaker enclosure.
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 the protection model of the present invention
It encloses.
Claims (8)
1. a kind of minitype acoustic generator, including vibrational system, magnetic circuit system and positioned at the vibrational system and the magnetic circuit system it
Between the rear operatic tunes, the vibrational system includes vibrating diaphragm and drives the voice coil of the vibrating diaphragm, the magnetic circuit system include yoke and
Group is assigned in the magnet steel in the yoke, which is characterized in that the minitype acoustic generator further includes the receiving vibrational system and described
The metal frame of magnetic circuit system, the metal frame include the first part for holding the vibrating diaphragm, from the first part to institute
It states the second part of magnet steel direction extension and extends from the second part to the yoke direction and hold the yoke
Part III, the second part are equipped with the leak holes for being connected to the rear operatic tunes and external environment, the first part
The outer surface interval of outer surface and the Part III is arranged to be formed around the third below the second part
The partial bit space that allows.
2. minitype acoustic generator according to claim 1, which is characterized in that the minitype acoustic generator further includes reinforcing chip, institute
Reinforcing chip is stated to include the main part for being immobilizated in the yoke lower surface, bend extension from the main part and be attached at the third
The side of sidewall portion of portion outboard surface and the flange for bending extension from the side of sidewall portion and being attached at the second part lower surface
Portion.
3. minitype acoustic generator according to claim 2, which is characterized in that the reinforcing chip is made of stainless steel substrates.
4. minitype acoustic generator according to claim 2 or 3, which is characterized in that the minitype acoustic generator further includes being folded in
Between the second part and the turn-up portion and cover the Air Filters of the leak holes.
5. minitype acoustic generator according to claim 1, which is characterized in that the first part and the Part III are mutual
It is arranged in parallel.
6. minitype acoustic generator according to claim 5, which is characterized in that the first part and the second part are mutual
It is vertically arranged.
7. minitype acoustic generator according to claim 1, which is characterized in that the first part is with the Part III perpendicular
Histogram to projection non-overlapping copies.
8. a kind of loudspeaker enclosure, which is characterized in that include the minitype acoustic generator as described in claim 1-7 any one, it is described
Loudspeaker enclosure further includes the back cavity for accommodating the minitype acoustic generator, and the back cavity is separated into first by the minitype acoustic generator
Back cavity and the second back cavity, first back cavity and second back cavity allow bit space to be connected to by described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810142810.9A CN108322871A (en) | 2018-02-11 | 2018-02-11 | Minitype acoustic generator and loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810142810.9A CN108322871A (en) | 2018-02-11 | 2018-02-11 | Minitype acoustic generator and loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108322871A true CN108322871A (en) | 2018-07-24 |
Family
ID=62903772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810142810.9A Pending CN108322871A (en) | 2018-02-11 | 2018-02-11 | Minitype acoustic generator and loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108322871A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208458A1 (en) * | 2020-04-16 | 2021-10-21 | 歌尔股份有限公司 | Sound production device |
| WO2021237795A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021237833A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound-generating device |
| WO2021237790A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021237787A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| WO2021237836A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
| WO2021237814A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
| WO2021237834A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound-generating device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765150A (en) * | 2004-03-11 | 2006-04-26 | 松下电器产业株式会社 | Loudspeakers, loudspeaker modules, electronic devices and equipment |
| CN102065357A (en) * | 2010-05-25 | 2011-05-18 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
| CN102065358A (en) * | 2010-05-25 | 2011-05-18 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker and magnetic path system thereof |
| CN104602156A (en) * | 2015-01-27 | 2015-05-06 | 歌尔声学股份有限公司 | Earphone speaker and earphone with speaker |
| CN204948336U (en) * | 2015-07-24 | 2016-01-06 | 歌尔声学股份有限公司 | Microspeaker |
-
2018
- 2018-02-11 CN CN201810142810.9A patent/CN108322871A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765150A (en) * | 2004-03-11 | 2006-04-26 | 松下电器产业株式会社 | Loudspeakers, loudspeaker modules, electronic devices and equipment |
| CN102065357A (en) * | 2010-05-25 | 2011-05-18 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
| CN102065358A (en) * | 2010-05-25 | 2011-05-18 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker and magnetic path system thereof |
| CN104602156A (en) * | 2015-01-27 | 2015-05-06 | 歌尔声学股份有限公司 | Earphone speaker and earphone with speaker |
| CN204948336U (en) * | 2015-07-24 | 2016-01-06 | 歌尔声学股份有限公司 | Microspeaker |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208458A1 (en) * | 2020-04-16 | 2021-10-21 | 歌尔股份有限公司 | Sound production device |
| US12108232B2 (en) | 2020-04-16 | 2024-10-01 | Goertek Inc. | Sound generating device |
| WO2021237795A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021237833A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound-generating device |
| WO2021237790A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021237787A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| WO2021237836A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
| WO2021237814A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
| WO2021237834A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound-generating device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180724 |