CN107613415A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN107613415A CN107613415A CN201710653394.4A CN201710653394A CN107613415A CN 107613415 A CN107613415 A CN 107613415A CN 201710653394 A CN201710653394 A CN 201710653394A CN 107613415 A CN107613415 A CN 107613415A
- Authority
- CN
- China
- Prior art keywords
- back cavity
- elastomer
- lower cover
- loudspeaker enclosure
- framework
- 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.)
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Abstract
The present invention discloses a kind of loudspeaker enclosure,Including lower cover,Upper lid and sounding monomer,The sounding monomer and upper lid surround ante-chamber,The sounding monomer,Lower cover and upper lid surround back cavity jointly,The loudspeaker enclosure also includes ventilative barrier assembly and double wall,The back cavity is divided into interconnected the first back cavity and the second back cavity by the ventilative barrier assembly fixed clamp jointly in the double wall and with the double wall,The sounding monomer is located at first back cavity,Filling sound-absorbing particle in second back cavity,The sound-absorbing particle is packaged in second back cavity by the ventilative barrier assembly,The ventilative barrier assembly includes framework,The screen cloth that is incorporated on the framework and the elastomer for being arranged on the framework outer peripheral edge,The elastomer inserts the double wall,The upper lid,The lower cover and the double wall extrude the elastomer and form sealing.Compared with correlation technique, loudspeaker enclosure frequency acoustic performance of the invention is more excellent and good airproof performance.
Description
【Technical field】
The present invention relates to a kind of electroacoustic device, more particularly to a kind of loudspeaker enclosure.
【Background technology】
With the arrival in mobile Internet epoch, 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.At present, the function of mobile phone is extremely various, and one of them is just
It is the music function of high-quality, therefore, the loudspeaker enclosure for playing sound is widely applied Intelligent mobile equipment till now
Among.
The case of raising one's voice of correlation technique includes lower cover, the Shang Gai to form a receiving space is assembled with the lower cover, one houses
In the sounding monomer in the receiving space and from covering the retaining wall extended to lower cover direction on described, the sounding monomer with it is described
Upper lid surrounds ante-chamber, and the sounding monomer, the upper lid and the lower cover surround back cavity jointly, and the retaining wall encloses with the upper lid
Into auxiliary sounding chamber, its breathable membrane parallel with the lower cover that be sticked close to the side of the lower cover, by the auxiliary
Sounding intracavitary, which is filled out, sets sound-absorbing particle formation Virtual Sound chamber, so as to improve the frequency acoustic performance of the loudspeaker enclosure.
However, in the loudspeaker enclosure of correlation technique, the breathable membrane passes through hot-melt adhesive paste, the retaining wall with the retaining wall
The hot melt wall that setting a layer thickness is about 0.70mm is needed to coordinate hot melting process, meanwhile, the breathable membrane is parallel to institute
Lower cover setting is stated, it need to set leakage of the gap of about 0.3mm height as back cavity with the lower cover.The hot melt wall and institute
The volume of the auxiliary sounding chamber as the virtual operatic tunes of the setting occupancy of the interstitial structure of leakage is stated, then is caused described virtual
The volume of the operatic tunes reduces, and have impact on the frequency acoustic performance of the loudspeaker enclosure.
Therefore, a kind of new loudspeaker enclosure must be provided by, which having in fact, solves above-mentioned technical problem.
【The content of the invention】
The more excellent and loudspeaker enclosure of good airproof performance it is an object of the invention to provide a kind of frequency acoustic performance.
In order to achieve the above object, the invention provides a kind of loudspeaker enclosure, including lower cover and the lower cover to surround collecting
The upper lid in space and the sounding monomer being contained in the receiving space, the sounding monomer and the upper lid surround ante-chamber, institute
State sounding monomer, the lower cover and the upper lid and surround back cavity jointly, the loudspeaker enclosure also include ventilative barrier assembly and by
Covered on described and extend and be connected to the double wall of the lower cover to the lower cover direction, the ventilative barrier assembly fixed clamp is in institute
State double wall and the back cavity is divided into the first back cavity and the second back cavity jointly with the double wall, first back cavity and described the
Two back cavities connect, and the sounding monomer be located at first back cavity, filling sound-absorbing particle in second back cavity, it is described breathe freely every
The sound-absorbing particle is packaged in second back cavity from component, the ventilative barrier assembly include framework, be incorporated into it is described
Screen cloth on framework and the elastomer for being arranged on the framework outer peripheral edge, the elastomer insert the double wall, the upper lid,
The lower cover and the double wall extrude the elastomer and form sealing.
Preferably, the double wall includes two and is oppositely arranged, and each double wall includes body and by the body
To the chute of its another concave end, the elastomer inserts and is arranged in two chutes for one end of the close lower cover in portion
It is interior.
Preferably, the framework, which inserts to coordinate in the chute, extrudes the elastomer.
Preferably, the width of the chute is equal to the thickness of the framework.
Preferably, the lower cover is provided with the position of the corresponding elastomer to the sealing away from lid direction depression on described
Groove, the elastomer insert the seal groove.
Preferably, cover and be provided with the position of the corresponding elastomer to away from the recessed of lower cover direction depression on described
Groove, the elastomer insert the groove.
Preferably, the elastomer is flexible glue.
Preferably, the elastomer and the framework double-shot moulding.
Preferably, the framework and the screen cloth are injection moulding integrated molding.
Preferably, the screen cloth is located at the side of close first back cavity of the framework.
Compared with correlation technique, loudspeaker enclosure of the invention covers the double wall and folder that extend to lower cover direction from above by setting
Located at the ventilative barrier assembly of the double wall, the back cavity is separated into the first back cavity and the second back cavity by the two jointly, by
Filling sound-absorbing particle becomes the virtual operatic tunes in second back cavity, is not only simple in structure, also improves the loudspeaker enclosure
Low frequency performance;Ventilative barrier assembly includes framework and is arranged on the elastomer of framework outer peripheral edge, and elastomer inserts the double wall,
Upper lid, lower cover and double wall extruding elastomer form sealing, prevent sound-absorbing particle from leaking into the first back cavity and influenceing properties of product,
In addition, eliminating the gap for being used to leak set between the lower cover and the ventilative barrier assembly, relative increase is described
The volume of second back cavity, meanwhile, the height that hot melt wall is set is saved, also the relative increase volume of second back cavity, from
And increase the loading of sound absorption particle, further improve the low frequency performance of the loudspeaker enclosure.
【Brief description of the drawings】
Fig. 1 is the dimensional structure diagram of loudspeaker enclosure of the present invention;
Fig. 2 is Fig. 1 part isometric structure decomposition figure;
Fig. 3 is the cut-away view of the line A-A along Fig. 1.
【Embodiment】
Below in conjunction with drawings and embodiments, the invention will be further described.
Please refer to Fig. 1-3, the invention provides a kind of loudspeaker enclosure 100, including lower cover 1, upper lid 2, sounding monomer
3rd, double wall 4 and ventilative barrier assembly 5.Lower cover 1 assembles to form receiving space 6 jointly with upper lid 2.In lower cover 1 and upper lid 2 at least
One includes side wall, and specifically in the present embodiment, lower cover 1 is platy structure, and upper lid 2 includes bottom wall 21 and side wall 22, lower cover 1
Lid is connected in the side wall 22 of lid 2, so as to form receiving space 6.
Sounding monomer 3 is contained in receiving space 6, and sounding monomer 3 and upper lid 2 surround ante-chamber 61;Sounding monomer 3, lower cover 1
Back cavity 62 is surrounded jointly with upper lid 2, for improving frequency acoustic performance.
Double wall 4 extends from upper lid 2 to the direction of lower cover 1 and is connected to lower cover 1.The ventilative fixed clamp of barrier assembly 5 is in double wall 4
And back cavity 62 is divided into the first back cavity 621 and the second back cavity 622 jointly with double wall 4.First back cavity 621 and the second back cavity 622
Connection.
Specifically, sounding monomer 3 is located at the first back cavity 621, sound-absorbing particle (not shown) is filled in the second back cavity 622, is used
In forming the virtual operatic tunes, to improve frequency acoustic performance, sound-absorbing particle is packaged in the second back cavity 622 by ventilative barrier assembly 5.
In present embodiment, sound-absorbing particle is zeolite granular.
Ventilative barrier assembly 5 includes framework 51, the screen cloth 52 being incorporated on framework 51 and is arranged on the outer peripheral edge of framework 51
Elastomer 53, elastomer 53 inserts double wall 4, and the bottom wall 21 with lower cover 1 and upper lid 2 abuts respectively.Upper lid 2, lower cover 1 and folder
Wall 4 extrudes elastomer 53 and forms sealing.Specifically, elastomer 53 can be flexible glue, elastomer 53 and the double-shot moulding of framework 51
With reference to certain elastomer 53 can also be adhered to framework 51.Preferably, framework 51 and screen cloth 52 are injection moulding integrated molding.
Double wall 4 includes two and is oppositely arranged, and is separately positioned in the side wall 22 of lid 2, each double wall 4 includes body
41 and from body 41 close lower cover 1 one end to the chute 42 of its another concave end, framework 51 includes end to end point
Second frame 512 of two the first frames 511 of two the first frames 511 not being fixed on two double walls 4 and connection and the
Three frames 513, wherein the second frame 512 is fixed on lid 2, the 3rd frame 513 is fixed on lower cover 1.Elastomer 53 includes
It is arranged on two the first elastomers 531 of two outer peripheral edges of the first frame 511, is arranged on the second of the outer peripheral edge of the second frame 512
Elastomer 532 and the 3rd elastomer 533 for being arranged on the outer peripheral edge of the 3rd frame 513, the first elastomer 531 insert and are arranged in two
In individual chute 42, body 41 extrudes the first elastomer 531 and forms sealing, and this is simple in construction and easy to assembly, and effectively anti-
Stop after sound-absorbing particle in second back cavity 622 enters described first by the left and right sides of the ventilative barrier assembly 5
Chamber 621, improve the reliability of the loudspeaker enclosure 100, it is preferred that the first frame 511, which is also inserted into the chute 42, to be coordinated
Extrude first elastomer 531, it is preferred that the width of chute 42 is equal to the thickness of the first frame 511 of framework 51.
Second elastomer 532 is connected on the bottom wall 21 of lid 2, upper lid 2 extrude second elastomer 532 formed it is close
Envelope, it is preferred that upper lid 2 is provided with the groove 23 being recessed to the direction away from lower cover 1 in the position of corresponding second elastomer 532, the
Two elastomers 532 insert groove 23, and sound-absorbing particle is by barrier assembly 5 of breathing freely after the structure can prevent the ventilative assembling of barrier assembly 5
Upper end enter the first back cavity 621, improve the reliability of the loudspeaker enclosure 100.
3rd elastomer 533 is connected on lower cover 1, and lower cover 1 extrudes the 3rd elastomer 533 and forms sealing, it is preferred that lower cover
1 is provided with the seal groove 11 being recessed to the direction away from upper lid 2 in the position of corresponding 3rd elastomer 533, and the 3rd elastomer 533 is inserted
Enter the seal groove 11, sound-absorbing particle is entered by the lower end for barrier assembly 5 of breathing freely after the structure can prevent the ventilative assembling of barrier assembly 5
Enter the first back cavity 621, improve the reliability of the loudspeaker enclosure 100.
In order to further increase the volume of the second back cavity 622, screen cloth 52 is located at the one of close first back cavity 621 of framework 51
Side.The structure setting can greatly increase the volume of the virtual operatic tunes, and it is more excellent to improve audio frequency effect.
Further, the filling aperture for filling sound-absorbing particle is additionally provided with the second back cavity 622, is provided with filling aperture
Separation layer 7, separation layer 7 avoid the sound-absorbing particle in the second back cavity 622 from leaking outside.
Compared with correlation technique, loudspeaker enclosure of the invention covers the double wall and folder that extend to lower cover direction from above by setting
Located at the ventilative barrier assembly of the double wall, the back cavity is separated into the first back cavity and the second back cavity by the two jointly, by
Filling sound-absorbing particle becomes the virtual operatic tunes in second back cavity, is not only simple in structure, also improves the loudspeaker enclosure
Low frequency performance;Ventilative barrier assembly includes framework and is arranged on the elastomer of framework outer peripheral edge, and elastomer inserts the double wall,
Upper lid, lower cover and double wall extruding elastomer form sealing, prevent sound-absorbing particle from leaking into the first back cavity and influenceing properties of product,
In addition, eliminating the gap for being used to leak set between the lower cover and the ventilative barrier assembly, relative increase is described
The volume of second back cavity, meanwhile, the height that hot melt wall is set is saved, also the relative increase volume of second back cavity, from
And increase the loading of sound absorption particle, further improve the low frequency performance of the loudspeaker enclosure.
Embodiments of the invention are these are only, are not intended to limit the scope of the invention, it is every to be said using the present invention
The equivalent structure or equivalent flow conversion that bright book and accompanying drawing content are made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (10)
1. a kind of loudspeaker enclosure, including lower cover and the lower cover surround the upper lid of receiving space and are contained in the receiving space
Interior sounding monomer, the sounding monomer and the upper lid surround ante-chamber, and the sounding monomer, the lower cover and the upper lid are altogether
With surrounding back cavity, it is characterised in that the loudspeaker enclosure also includes ventilative barrier assembly and from covering to the lower cover side on described
To extending and being connected to the double wall of the lower cover, the ventilative barrier assembly fixed clamp is total in the double wall and with the double wall
It is divided into the first back cavity and the second back cavity with by the back cavity, first back cavity connects with second back cavity, the sounding
Monomer is located at first back cavity, filling sound-absorbing particle in second back cavity, and the ventilative barrier assembly is by the sound-absorbing
Grain is packaged in second back cavity, and the ventilative barrier assembly includes framework, the screen cloth being incorporated on the framework and set
The elastomer in the framework outer peripheral edge is put, the elastomer inserts the double wall, upper lid, the lower cover and the double wall
Extrude the elastomer and form sealing.
2. loudspeaker enclosure according to claim 1, it is characterised in that the double wall includes two and is oppositely arranged, each
The double wall include body and from the body the close lower cover chute from one end to its another concave end, it is described
Elastomer is inserted and is arranged in two chutes.
3. loudspeaker enclosure according to claim 2, it is characterised in that the framework, which is inserted in the chute, coordinates extruding institute
State elastomer.
4. loudspeaker enclosure according to claim 3, it is characterised in that the width of the chute is equal to the thickness of the framework
Degree.
5. loudspeaker enclosure according to claim 1, it is characterised in that the lower cover is set in the position of the corresponding elastomer
The oriented seal groove away from the upper lid direction depression, the elastomer insert the seal groove.
6. loudspeaker enclosure according to claim 1, it is characterised in that cover on described and set in the position of the corresponding elastomer
The groove of oriented remote lower cover direction depression, the elastomer insert the groove.
7. loudspeaker enclosure according to claim 1, it is characterised in that the elastomer is flexible glue.
8. loudspeaker enclosure according to claim 1, it is characterised in that the elastomer and the framework double-shot moulding into
Type.
9. loudspeaker enclosure according to claim 1, it is characterised in that the framework and the screen cloth be integrated through injection molding into
Type.
10. loudspeaker enclosure according to claim 1, it is characterised in that the screen cloth is located at the close described of the framework
The side of first back cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710653394.4A CN107613415B (en) | 2017-08-02 | 2017-08-02 | Loudspeaker box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710653394.4A CN107613415B (en) | 2017-08-02 | 2017-08-02 | Loudspeaker box |
Publications (2)
Publication Number | Publication Date |
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CN107613415A true CN107613415A (en) | 2018-01-19 |
CN107613415B CN107613415B (en) | 2020-05-15 |
Family
ID=61064850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710653394.4A Active CN107613415B (en) | 2017-08-02 | 2017-08-02 | Loudspeaker box |
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CN (1) | CN107613415B (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108307279A (en) * | 2018-01-29 | 2018-07-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
CN108462918A (en) * | 2018-03-21 | 2018-08-28 | 歌尔股份有限公司 | A kind of loud speaker module and electronic equipment |
WO2020000443A1 (en) * | 2018-06-29 | 2020-01-02 | 华为技术有限公司 | Speaker and mobile terminal |
CN111147967A (en) * | 2020-02-20 | 2020-05-12 | 精拓丽音科技(北京)有限公司 | Loudspeaker module and preparation method thereof |
WO2020103303A1 (en) * | 2018-11-23 | 2020-05-28 | 歌尔股份有限公司 | Loudspeaker module |
CN111343546A (en) * | 2018-12-19 | 2020-06-26 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
WO2022006793A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
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CN204418099U (en) * | 2015-01-30 | 2015-06-24 | 武汉大学 | A kind of barrier film air curtain prevents salty device |
CN105792582A (en) * | 2016-04-08 | 2016-07-20 | 苏州佳世达光电有限公司 | Waterproof structure and electronic apparatus |
US20160345090A1 (en) * | 2015-05-18 | 2016-11-24 | Apple Inc. | Audio speaker with back volume containing adsorptive material |
CN106851498A (en) * | 2017-01-12 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
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CN204418099U (en) * | 2015-01-30 | 2015-06-24 | 武汉大学 | A kind of barrier film air curtain prevents salty device |
US20160345090A1 (en) * | 2015-05-18 | 2016-11-24 | Apple Inc. | Audio speaker with back volume containing adsorptive material |
CN105792582A (en) * | 2016-04-08 | 2016-07-20 | 苏州佳世达光电有限公司 | Waterproof structure and electronic apparatus |
CN106851498A (en) * | 2017-01-12 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108307279A (en) * | 2018-01-29 | 2018-07-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
CN108462918A (en) * | 2018-03-21 | 2018-08-28 | 歌尔股份有限公司 | A kind of loud speaker module and electronic equipment |
CN108462918B (en) * | 2018-03-21 | 2019-09-10 | 歌尔股份有限公司 | A kind of loudspeaker mould group and electronic equipment |
WO2019179201A1 (en) * | 2018-03-21 | 2019-09-26 | 歌尔股份有限公司 | Speaker module and electronic device |
CN111149371B (en) * | 2018-06-29 | 2021-01-29 | 华为技术有限公司 | Loudspeaker and mobile terminal |
CN111149371A (en) * | 2018-06-29 | 2020-05-12 | 华为技术有限公司 | Loudspeaker and mobile terminal |
WO2020000443A1 (en) * | 2018-06-29 | 2020-01-02 | 华为技术有限公司 | Speaker and mobile terminal |
EP3793215A4 (en) * | 2018-06-29 | 2021-06-16 | Huawei Technologies Co., Ltd. | Speaker and mobile terminal |
RU2763813C1 (en) * | 2018-06-29 | 2022-01-11 | Хуавэй Текнолоджиз Ко., Лтд. | Loudspeaker and mobile terminal |
US11330363B2 (en) | 2018-06-29 | 2022-05-10 | Huawei Technologies Co., Ltd. | Speaker and mobile terminal |
US11622189B2 (en) | 2018-06-29 | 2023-04-04 | Huawei Technologies Co., Ltd. | Speaker and mobile terminal |
WO2020103303A1 (en) * | 2018-11-23 | 2020-05-28 | 歌尔股份有限公司 | Loudspeaker module |
CN111343546A (en) * | 2018-12-19 | 2020-06-26 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
CN111147967A (en) * | 2020-02-20 | 2020-05-12 | 精拓丽音科技(北京)有限公司 | Loudspeaker module and preparation method thereof |
WO2022006793A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
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