CN107635158A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN107635158A CN107635158A CN201710652328.5A CN201710652328A CN107635158A CN 107635158 A CN107635158 A CN 107635158A CN 201710652328 A CN201710652328 A CN 201710652328A CN 107635158 A CN107635158 A CN 107635158A
- Authority
- CN
- China
- Prior art keywords
- lower cover
- back cavity
- barrier assembly
- framework
- 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.)
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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, 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 the 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 lower cover correspondingly breathe freely barrier assembly position set through lower cover slotted eye, in the ventilative barrier assembly insertion slotted eye, injection glue fixes the ventilative barrier assembly and the lower cover and forms sealing in the slotted eye.The loudspeaker enclosure frequency acoustic performance of the present invention is more excellent, in addition, slotted eye is also used as peep hole both as locating slot and glue groove, is easy to the assembling of product.
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】
It is an object of the invention to provide the loudspeaker enclosure that a kind of simple in construction and audio performance is good and reliability is high.
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 position that the lower cover corresponds to the ventilative barrier assembly is set
The slotted eye through lower cover is put, the ventilative barrier assembly is inserted in the slotted eye, and injection glue is fixed described in the slotted eye
Gas barrier assembly and the lower cover and form sealing.
Preferably, the ventilative barrier assembly includes framework and the screen cloth being incorporated on the framework, the framework clamping
In the double wall.
Preferably, the framework sets the extension of the oriented lower cover direction protrusion close to the lower cover side, described
Framework is connected to the lower cover and the extension is inserted in the slotted eye.
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 framework inserts and is arranged in two chutes for one end of the close lower cover in portion
It is interior.
Preferably, the width of the chute is equal to the thickness of the framework.
Preferably, covered on described and be provided with groove in the position of the corresponding framework, the framework is arranged in the groove.
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；The position that the lower cover corresponds to the ventilative barrier assembly sets the slotted eye for running through lower cover, the ventilative isolation group
Part is inserted in the slotted eye, and injection glue is fixed the ventilative barrier assembly and the lower cover and formed close in the slotted eye
Envelope, prevents sound-absorbing particle from leaking into the first back cavity, slotted eye both as locating slot and glue groove, was also used as peep hole, just
In the assembling of product, in addition, eliminating the gap for being used to leak set between the lower cover and the ventilative barrier assembly, phase
Volume to adding second back cavity, meanwhile, the height that hot melt wall is set is saved, also after relative increase described second
The volume of chamber, so as to 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 and the screen cloth 52 being incorporated on framework 51, and framework 51 is held on double wall 4, and
The bottom wall 21 with lower cover 1 and upper lid 2 is connected respectively.Preferably, framework 51 and screen cloth 52 are injection moulding integrated molding.
Double wall 4 includes two and is oppositely arranged, and respectively in the side wall 22 of upper lid 2, each double wall 4 includes body 41
Chute 42 with from one end of the close lower cover 1 from body 41 to its another concave end, framework 51 include end to end difference
Two the first frames 511 being fixed on two double walls 4 and second frame 512 and the 3rd side of two the first frames 511 of connection
Frame 513, wherein the second frame 512 is fixed on lid 2, the 3rd frame 513 is fixed on lower cover 1, and the width of chute 42 is equal to
The thickness of first frame 511 of framework 51, the first frame 511 are inserted and are arranged in two chutes 42, and this is simple in construction and fills
With convenience, and it effectively prevent left and right two of the sound-absorbing particle in second back cavity 622 by the ventilative barrier assembly 5
Side enters first back cavity 621, improves the reliability of the loudspeaker enclosure 100.
The groove 23 being recessed to the direction away from lower cover 1 is provided with the bottom wall 21 of upper lid 2 in the position of associated frame members 51, under
Lid 1 is provided through the slotted eye 11 of lower cover 1 in the position of associated frame members 51.Second framework 512 inserts groove 23, and the structure can prevent
After the sound-absorbing particle enters described first by the upper end of the ventilative barrier assembly 5 after only the ventilative barrier assembly 5 assembles
Chamber 621, the reliability of the loudspeaker enclosure 100 is improved, is provided with the 3rd framework 513 from the 3rd framework 513 close to lower cover 1
The surface extension 5131 prominent to the direction of lower cover 1, extension 5131 inserted in the slotted eye 11, and the 3rd framework 513 abuts
In the week side of boss of slotted eye 11, formed and fixed and spacing structure.Wherein, the width of the internal diameter of slotted eye 11 is more than or equal to extension 5131
Width and the thickness for being less than the 3rd frame 513.Preferably, the internal diameter of slotted eye 11 is slightly larger than the width of extension 5131, so, can
To ensure the stability of the ventilative fixation of barrier assembly 5.
The location structure that slotted eye 11 had both been installed as ventilative barrier assembly, the peep hole inside observation during installation is also served as,
Meanwhile glue groove is also served as, inject glue into slotted eye 11 in installation process, injection is after the glue solidifies, except fixed extension
Outside 5131 (namely ventilative barrier assemblies 5) and lower cover 1, the sealing function of product can also be played, prevents second back cavity 622
Interior sound-absorbing particle enters first back cavity 621 by the lower end of the ventilative barrier assembly 5, improves the loudspeaker enclosure
100 reliability.
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；The position that the lower cover corresponds to the ventilative barrier assembly sets the slotted eye for running through lower cover, the ventilative isolation group
Part is inserted in the slotted eye, and injection glue is fixed the ventilative barrier assembly and the lower cover and formed close in the slotted eye
Envelope, prevents sound-absorbing particle from leaking into the first back cavity, slotted eye both as locating slot and glue groove, was also used as peep hole, just
In the assembling of product, in addition, eliminating the gap for being used to leak set between the lower cover and the ventilative barrier assembly, phase
Volume to adding second back cavity, meanwhile, the height that hot melt wall is set is saved, also after relative increase described second
The volume of chamber, so as to 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 (8)
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 position that the lower cover corresponds to the ventilative barrier assembly sets the slotted eye for running through lower cover,
The ventilative barrier assembly is inserted in the slotted eye, in the slotted eye injection glue fix the ventilative barrier assembly and it is described under
Cover and form sealing.
2. loudspeaker enclosure according to claim 1, it is characterised in that the ventilative barrier assembly includes framework and is incorporated into
Screen cloth on the framework, the framework are held on the double wall.
3. loudspeaker enclosure according to claim 2, it is characterised in that the framework sets oriented close to the lower cover side
The extension that the lower cover direction protrudes, the framework is connected to the lower cover and the extension is inserted in the slotted eye.
4. loudspeaker enclosure according to claim 2, 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
Framework is inserted and is arranged in two chutes.
5. loudspeaker enclosure according to claim 4, it is characterised in that the width of the chute is equal to the thickness of the framework
Degree.
6. loudspeaker enclosure according to claim 4, it is characterised in that cover on described and be provided with the position of the corresponding framework
Groove, the framework are arranged in the groove.
7. loudspeaker enclosure according to claim 2, it is characterised in that the framework and the screen cloth be integrated through injection molding into
Type.
8. loudspeaker enclosure according to claim 2, it is characterised in that the screen cloth is located at close described the of the framework
The side of one back cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652328.5A CN107635158B (en) | 2017-08-02 | 2017-08-02 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652328.5A CN107635158B (en) | 2017-08-02 | 2017-08-02 | Loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107635158A true CN107635158A (en) | 2018-01-26 |
| CN107635158B CN107635158B (en) | 2020-05-15 |
Family
ID=61099119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710652328.5A Active CN107635158B (en) | 2017-08-02 | 2017-08-02 | Loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107635158B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107454548A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic device and preparation method thereof, mobile terminal |
| CN109831724A (en) * | 2018-12-27 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Loudspeaker and its installation method |
| WO2020024679A1 (en) * | 2018-08-03 | 2020-02-06 | 瑞声声学科技(深圳)有限公司 | Loudspeaker module |
| WO2020103303A1 (en) * | 2018-11-23 | 2020-05-28 | 歌尔股份有限公司 | Loudspeaker module |
| CN111836177A (en) * | 2020-07-22 | 2020-10-27 | 歌尔股份有限公司 | Sound production device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204418099U (en) * | 2015-01-30 | 2015-06-24 | 武汉大学 | A kind of barrier film air curtain prevents salty device |
| CN205053117U (en) * | 2015-10-12 | 2016-03-02 | 宋艳婷 | Aseptic bin of acupuncture |
| 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 |
-
2017
- 2017-08-02 CN CN201710652328.5A patent/CN107635158B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN205053117U (en) * | 2015-10-12 | 2016-03-02 | 宋艳婷 | Aseptic bin of acupuncture |
| CN106851498A (en) * | 2017-01-12 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107454548A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic device and preparation method thereof, mobile terminal |
| CN107454548B (en) * | 2017-09-08 | 2019-10-25 | Oppo广东移动通信有限公司 | Electroacoustic device and preparation method thereof, mobile terminal |
| WO2020024679A1 (en) * | 2018-08-03 | 2020-02-06 | 瑞声声学科技(深圳)有限公司 | Loudspeaker module |
| WO2020103303A1 (en) * | 2018-11-23 | 2020-05-28 | 歌尔股份有限公司 | Loudspeaker module |
| CN109831724A (en) * | 2018-12-27 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Loudspeaker and its installation method |
| CN111836177A (en) * | 2020-07-22 | 2020-10-27 | 歌尔股份有限公司 | Sound production device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107635158B (en) | 2020-05-15 |
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