CN207099322U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN207099322U CN207099322U CN201720959235.2U CN201720959235U CN207099322U CN 207099322 U CN207099322 U CN 207099322U CN 201720959235 U CN201720959235 U CN 201720959235U CN 207099322 U CN207099322 U CN 207099322U
- Authority
- CN
- China
- Prior art keywords
- back cavity
- lower cover
- loudspeaker enclosure
- barrier assembly
- double wall
- 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.)
- Expired - Fee Related
Links
- 230000004888 barrier function Effects 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000000178 monomer Substances 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 239000012943 hotmelt Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a kind of loudspeaker enclosure, including lower cover, upper lid and sounding monomer, the sounding monomer and the upper lid surround ante-chamber, the sounding monomer, the lower cover and the upper lid surround back cavity jointly, the loudspeaker enclosure also includes ventilative barrier assembly, double wall and seal, 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 steel disc for being oppositely arranged with the lower cover and surrounding the back cavity being embedded in it is covered with described, the ventilative barrier assembly is connected to the steel disc, and the junction that the seal is arranged at the ventilative barrier assembly and the steel disc forms sealing.Compared with correlation technique, loudspeaker enclosure frequency acoustic performance of the present utility model is more excellent.
Description
【Technical field】
It the utility model is related 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.
【Utility model content】
The purpose of this utility model is to provide that a kind of simple in construction and audio performance especially low frequency performance is good to raise one's voice
Device case.
In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure, including lower cover, surrounds with the lower cover
Before the upper lid of receiving space and the sounding monomer being contained in the receiving space, the sounding monomer and the upper lid surround
Chamber, the sounding monomer, the lower cover and the upper lid surround back cavity jointly, and the loudspeaker enclosure also includes ventilative isolation group
Part, the double wall and seal for from covering on described extending and being connected to the lower cover to the lower cover direction, the ventilative isolation group
The back cavity is divided into interconnected the first back cavity and second by part fixed clamp jointly in the double wall and with the double wall
Back cavity, the sounding monomer are located at first back cavity, sound-absorbing particle, the ventilative barrier assembly are filled in second back cavity
The sound-absorbing particle is packaged in second back cavity；It is covered with described and is embedded being oppositely arranged simultaneously with the lower cover in it
Surround the steel disc of the back cavity, the ventilative barrier assembly is connected to the steel disc, the seal be arranged at it is described it is ventilative every
From the junction of component and the steel disc and make to form sealing between the ventilative barrier assembly and the steel disc.
Preferably, the seal is the sealing joint strip that gluing is formed.
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 lower cover also includes sealing strip, and the sealing strip presses on the framework and the double wall.
Preferably, the lower cover also includes being contained in the seal groove away from the upper lid direction depression, the sealing strip
In the seal groove.
Preferably, the sealing strip is rubber or sponge.
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, 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 present utility model covers the double wall extended to lower cover direction from above by setting
And the ventilative barrier assembly of the double wall is located in, the back cavity is separated into the first back cavity and the second back cavity by the two jointly, is led to
Cross the filling sound-absorbing particle in second back cavity and become the virtual operatic tunes, be not only simple in structure, also improve the loudspeaker
The low frequency performance of case；The steel disc for being oppositely arranged with the lower cover and surrounding the back cavity being embedded in it, institute are covered with described
State ventilative barrier assembly and be connected to the steel disc, the seal is arranged at the connection of the ventilative barrier assembly and the steel disc
Place simultaneously makes to form sealing between the ventilative barrier assembly and the steel disc, prevents sound-absorbing particle from entering the by second back cavity
One back cavity, it is achieved thereby that the acoustics unfailing performance of the loudspeaker enclosure；Ventilative isolate with described in addition, eliminating the lower cover
The gap for being used to leak set between component, the relative increase volume of second back cavity, meanwhile, save setting hot melt
The height of wall, the also relative increase volume of second back cavity, furthermore, the intensity of steel disc can will relative to working of plastics
Wall thickness is done thinner, also the relative increase volume of second back cavity, so as to increase the loading of sound absorption particle, is further changed
It has been apt to the low frequency performance of the loudspeaker enclosure.
【Brief description of the drawings】
Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；
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 utility model is described in further detail.
Please refer to Fig. 1-3, the utility model provides a kind of loudspeaker enclosure 100, including lower cover 1, upper lid 2, sounding
Monomer 3, double wall 4, ventilative barrier assembly 5 and seal 8.The lower cover 1 assembles to form receiving space 6 jointly with the upper lid 2.
The sounding monomer 3 is contained in the receiving space 6, and the sounding monomer 3 and the upper lid 2 surround ante-chamber
61, for sounding；The sounding monomer 3, the lower cover 1 and the upper lid 2 surround back cavity 62 jointly, for improving frequency acoustic
Performance.
The double wall 4 extends from the upper lid 2 to the direction of lower cover 1 and is connected to the lower cover 1.
The fixed clamp of ventilative barrier assembly 5 jointly separates the back cavity 62 in the double wall 4 and with the double wall 4
For the first back cavity 621 and the second back cavity 622.First back cavity 621 connects with second back cavity 622.So-called connection refers to
Air communication.
Specifically, the sounding monomer 3 is located at first back cavity 621, sound-absorbing particle is filled in second back cavity 622
(not shown), for forming the virtual operatic tunes, to improve frequency acoustic performance, the ventilative barrier assembly 5 is by the sound-absorbing particle
It is packaged in second back cavity 622.In present embodiment, the sound-absorbing particle is zeolite granular.
The ventilative barrier assembly 5 includes framework 51 and the screen cloth 52 being incorporated on the framework 51, and the framework 51 presss from both sides
It is held in the double wall 4.More excellent, the framework 51 and the screen cloth 52 are injection moulding integrated molding.
In present embodiment, the double wall 4 includes two and is oppositely arranged, and each double wall 4 includes the He of body 41
From the body 41 the close lower cover 1 chute 42, the width of the chute 42 etc. from one end to its another concave end
In the thickness of the framework 51, the framework 51 is inserted and is arranged in two chutes 42, the ventilative barrier assembly 5
The left and right sides is then formed by the sandwiched of double wall 4 and sealed, and this is simple in construction easy to assembly and ensure that the ventilative isolation
The left and right ends of the framework 51 do not leak sound-absorbing particle after component 5 assembles.
The lower cover 1 also includes the sealing strip 7 being sticked on the inside of it, and the sealing strip 7 presses on the framework 51 and described
Double wall 4.More excellent, the lower cover 1 also includes housing to the seal groove 11 away from the upper direction of lid 2 depression, the sealing strip 7
In in the seal groove 11.After the lower cover 1 is covered on upper lid 2, the sealing strip 7 compresses the framework 51 and described
Double wall 4 forms sealing, after preventing the sound-absorbing particle in second back cavity 622 from entering described first by the lower end of the framework 51
Chamber 621.Improve the reliability of the loudspeaker enclosure 100.Specifically, in present embodiment, the sealing strip 7 is rubber or sea
Cotton, it is certainly not limited to this.
The upper lid 2 is provided with the steel disc 21 for being oppositely arranged with the lower cover 1 and surrounding the back cavity 62 being embedded in it, institute
State ventilative barrier assembly 5 (be specially the framework 51) and be connected to the steel disc 21, the seal 8 be arranged at it is described it is ventilative every
From the junction of component 5 and the steel disc 21 and make to form sealing between the ventilative barrier assembly 5 and the steel disc 21.The knot
Its upper end does not leak sound-absorbing particle after structure ensure that the assembling of breathable barrier 5.In present embodiment, the seal 8 is to beat
The sealing joint strip that glue is formed.
In order to further increase the volume of second back cavity 622, the screen cloth 52 is located at the close institute of the framework 51
State the side of the first back cavity 621.The structure setting can greatly increase the volume of the virtual operatic tunes, improve audio frequency effect more
It is excellent.
Compared with correlation technique, loudspeaker enclosure of the present utility model covers the double wall extended to lower cover direction from above by setting
And the ventilative barrier assembly of the double wall is located in, the back cavity is separated into the first back cavity and the second back cavity by the two jointly, is led to
Cross the filling sound-absorbing particle in second back cavity and become the virtual operatic tunes, be not only simple in structure, also improve the loudspeaker
The low frequency performance of case；The steel disc for being oppositely arranged with the lower cover and surrounding the back cavity being embedded in it, institute are covered with described
State ventilative barrier assembly and be connected to the steel disc, the seal is arranged at the connection of the ventilative barrier assembly and the steel disc
Place simultaneously makes to form sealing between the ventilative barrier assembly and the steel disc, prevents sound-absorbing particle from entering the by second back cavity
One back cavity, it is achieved thereby that the acoustics unfailing performance of the loudspeaker enclosure；Ventilative isolate with described in addition, eliminating the lower cover
The gap for being used to leak set between component, the relative increase volume of second back cavity, meanwhile, save setting hot melt
The height of wall, the also relative increase volume of second back cavity, furthermore, the intensity of steel disc can will relative to working of plastics
Wall thickness is done thinner, also the relative increase volume of second back cavity, so as to increase the loading of sound absorption particle, is further changed
It has been apt to the low frequency performance of the loudspeaker enclosure.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
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, from covering to the lower cover direction on described
Extend and be connected to the double wall and seal of the lower cover, the ventilative barrier assembly fixed clamp in the double wall and with it is described
The back cavity is divided into interconnected the first back cavity and the second back cavity by double wall jointly, and the sounding monomer is located at described first
The sound-absorbing particle is packaged in described second by back cavity, the interior filling sound-absorbing particle of second back cavity, the ventilative barrier assembly
In back cavity；The steel disc for being oppositely arranged with the lower cover and surrounding the back cavity being embedded in it is covered with described, it is described ventilative
Barrier assembly is connected to the steel disc, and the seal is arranged at the junction of the ventilative barrier assembly and the steel disc and made
Sealing is formed between the ventilative barrier assembly and the steel disc.
2. loudspeaker enclosure according to claim 1, it is characterised in that the seal is the sealing joint strip that gluing is formed.
3. 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.
4. loudspeaker enclosure according to claim 3, it is characterised in that the lower cover also includes sealing strip, the sealing strip
Press on the framework and the double wall.
5. loudspeaker enclosure according to claim 4, it is characterised in that the lower cover is also included to away from the upper lid direction
The seal groove of depression, the sealing strip are contained in the seal groove.
6. loudspeaker enclosure according to claim 4, it is characterised in that the sealing strip is rubber or sponge.
7. loudspeaker enclosure according to claim 3, 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.
8. loudspeaker enclosure according to claim 7, it is characterised in that the width of the chute is equal to the thickness of the framework
Degree.
9. loudspeaker enclosure according to claim 3, it is characterised in that the framework and the screen cloth be integrated through injection molding into
Type.
10. loudspeaker enclosure according to claim 3, 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 |
|---|---|---|---|
| CN201720959235.2U CN207099322U (en) | 2017-08-02 | 2017-08-02 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720959235.2U CN207099322U (en) | 2017-08-02 | 2017-08-02 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207099322U true CN207099322U (en) | 2018-03-13 |
Family
ID=61543656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720959235.2U Expired - Fee Related CN207099322U (en) | 2017-08-02 | 2017-08-02 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207099322U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882126A (en) * | 2018-08-02 | 2018-11-23 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN109819373A (en) * | 2018-12-27 | 2019-05-28 | 瑞声科技（南京）有限公司 | Loudspeaker enclosure |
| WO2022006959A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2017
- 2017-08-02 CN CN201720959235.2U patent/CN207099322U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882126A (en) * | 2018-08-02 | 2018-11-23 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108882126B (en) * | 2018-08-02 | 2020-07-14 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN109819373A (en) * | 2018-12-27 | 2019-05-28 | 瑞声科技（南京）有限公司 | Loudspeaker enclosure |
| WO2022006959A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 |