CN109714676A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN109714676A CN109714676A CN201811650374.2A CN201811650374A CN109714676A CN 109714676 A CN109714676 A CN 109714676A CN 201811650374 A CN201811650374 A CN 201811650374A CN 109714676 A CN109714676 A CN 109714676A
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- China
- Prior art keywords
- leak
- sounding monomer
- loudspeaker enclosure
- side wall
- auxiliary
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Abstract
The present invention discloses a kind of loudspeaker enclosure, it includes lower cover, upper cover, sounding monomer, auxiliary leak and sound-absorbing particle with ventilation space, the sounding monomer, the lower cover and the upper cover surround back cavity jointly, the sounding monomer includes side and leak, and the leak is revealed from the side；The leak is completely covered in the auxiliary leak, the auxiliary leak includes bracket and breathable barrier, the bracket includes bottom wall, side wall and the air hole being connected to the ventilation space, the bracket abuts the sounding monomer and is connected to the air hole with the leak, the breathable barrier lid, which is set, to be fixed on the side wall and surrounds the ventilation space, the ventilation space and the back cavity air communication jointly with the bottom wall and the side wall；The sound-absorbing particle is located on the outside of the auxiliary leak.Compared with the relevant technologies, loudspeaker enclosure good reliability of the invention and acoustical behavior is excellent.
Description
[technical field]
The present invention relates to a kind of electroacoustic device more particularly to a kind of loudspeaker enclosures for applying to portable electronic product.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just
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 loudspeaker enclosure of the relevant technologies includes that lower cover and the lower cover assemble the upper cover and receiving to form accommodating space
In the sounding monomer in the accommodating space, the sounding monomer and the upper cover surround ante-chamber, the sounding monomer and it is described under
Lid and the upper cover surround back cavity jointly；In order to increase the frequency acoustic performance of the loudspeaker enclosure, will separate in the back cavity
It is formed for filling sound-absorbing particle to serve as the secondary acoustical cavity of the virtual operatic tunes of DBASS, such as logical screen cloth covering monomer is complete filling or logical
Cross plate partition mode.
However, the screen cloth covering full canning means of monomer make the leak of the monomer in the loudspeaker enclosure of the relevant technologies
Outlet is unsmooth to cause audio performance to lose, poor reliability；And cavity space after then being occupied because of plate by way of plate partition, so that
Back cavity cannot be fully effective using benefit, so that acoustical behavior improvement cannot maximize.
Therefore, a kind of new loudspeaker enclosure solution above-mentioned technical problem must be provided by having in fact.
[summary of the invention]
And a kind of good reliability loudspeaker enclosure excellent the purpose of the present invention is to provide acoustical behavior.
In order to achieve the above object, the present invention provides a kind of loudspeaker enclosures comprising lower cover surrounds receipts with the lower cover
Hold the upper cover in space, is contained in the accommodating space and is used for the sounding monomer of vibration sounding, is set in the back cavity
Auxiliary leak with ventilation space and the sound-absorbing particle being filled in the back cavity, the sounding monomer and the upper cover
Ante-chamber is surrounded, the sounding monomer, the lower cover and the upper cover surround back cavity jointly, and the sounding monomer is equipped with will be inside it
The leak that cavity is connected to the back cavity, the sounding monomer includes side, and the leak is revealed from the side, described
Auxiliary leak is completely covered the leak and is connected to the ventilation space with the leak, the auxiliary leak packet
Include bracket and breathable barrier, the bracket includes bottom wall, extended by the periphery of the bottom wall along direction of vibration bending and be in
Cricoid side wall and through the side wall and the air hole that is connected to the ventilation space, the bracket abuts the sounding list
Body and the leak is completely covered and is connected to the air hole with the leak, the breathable barrier lid, which is set, to be fixed on
The side far from the bottom wall of the side wall simultaneously surrounds the ventilation space with the bottom wall and the side wall jointly, described
Headroom and the back cavity air communication；The sound-absorbing particle is located on the outside of the auxiliary leak.
Preferably, the bracket is in rectangle, and the air hole is provided with the side wall for being parallel to the bracket short axle.
Preferably, the side wall is that the periphery of the bottom wall is extended to form to lower cover direction bending.
Preferably, the air hole is provided with the bottom wall.
Preferably, the leak includes two and is located at the opposite sides of the sounding monomer, and the auxiliary is let out
Leakage portion includes two and is located at the opposite sides of the sounding monomer, and two auxiliary leaks are respectively and described in two
Leak connection.
Preferably, the sounding monomer is in rectangle, and it is opposite that two leaks are located at the sounding monomer short axle
Two sides, two auxiliary leaks are located at the sounding monomer short axle opposite sides.
Preferably, the breathable barrier is screen cloth, and the breathable barrier and the bracket are glued fixed.
Preferably, the breathable barrier and the bracket are integrally formed.
Preferably, the bottom wall is parallel with the upper cover and interval is arranged.
Preferably, the sounding monomer includes the frame surrounded by frame side wall and at least partly for being supported in the upper cover
Be fixed on the magnetic yoke of the frame side wall, the magnetic yoke at least partly with the frame side wall along the direction of vibration interval with shape
At the leak.
Preferably, the loudspeaker enclosure further includes through the powder filling hole that the upper cover is arranged and being fixed on the upper cover and lid
If the sealing cover in the powder filling hole, the powder filling hole is connected to the back cavity, and the sound-absorbing particle pours into institute by the powder filling hole
State back cavity.
Compared with the relevant technologies, the auxiliary with ventilation space is arranged loudspeaker enclosure of the invention in the back cavity and leaks
Portion makes the auxiliary leakage position in the side of the sounding monomer and the leak of the sounding monomer is completely covered, and makes
The leak is connected to the ventilation space, and is fixed on institute by setting the breathable barrier lid of the auxiliary leakage
The side wall of bracket is stated, the sound-absorbing particle is filled in the back cavity, by the breathable barrier by the sound-absorbing
Grain is blocked in outside the auxiliary leak, is increased the leakage area of the leak by the auxiliary leak, is avoided
The leak of the sounding monomer is blocked by the sound-absorbing particle and causes gas pressure leak unsmooth, improves sounding reliability；Together
When, complete filling structure is realized in the interior isolation by the auxiliary leak of the back cavity, and the filling amount of the sound-absorbing particle is bigger,
So that back cavity utilizes maximization, the acoustical behavior for the loudspeaker enclosure being effectively improved.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the schematic perspective view of loudspeaker enclosure of the present invention；
Fig. 2 is the part isometric structural exploded view of Fig. 1；
Fig. 3 is the part isometric Standard schematic diagram of loudspeaker enclosure of the present invention；
Fig. 4 is the cut-away view of the line A-A along Fig. 1；
The enlarged drawing of part shown in B in Fig. 5 Fig. 4.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, the present invention provides a kind of loudspeaker enclosures 100, including lower cover 1, upper cover 2, sounding monomer
3, leak 4 and sound-absorbing particle (not shown) are assisted.
The lower cover 1 assembles jointly with the upper cover 2 surrounds accommodating space 10.
The sounding monomer 3 is contained in the accommodating space 10.The sounding monomer 3 is surrounded with the upper cover 2 interval
Ante-chamber 101.The sounding monomer 3 is used for vibration sounding.The sounding monomer 3, the lower cover 1 and the upper cover 2 surround jointly
Back cavity 102, for improving frequency acoustic performance.
The sounding monomer 3 is equipped with the leak 31 for being connected to its internal cavity with the back cavity 102, transmits for acoustic pressure
Increase frequency acoustic performance to the back cavity 102.In present embodiment, the sounding monomer 31 includes side, the leak
31 reveal from the side.
Specifically, the sounding monomer 3 includes 32 He of frame surrounded by frame side wall 321 for being supported in the upper cover 2
It is at least partly fixed on the magnetic yoke 33 of the frame side wall 321, the magnetic yoke 33 is at least partly with the frame side wall 321 along institute
Direction of vibration interval is stated to form the leak 31, i.e. Z-direction interval in Fig. 3, to make the leak 31 by described
The side leakage of sounding monomer 31, i.e., it is along such as X-direction in Fig. 3 that it, which leaks direction,.
In present embodiment, the leak 31 includes two and is located at the opposite sides of the sounding monomer 3, is mentioned
The sound pressure equalisation reliability of high sounding monomer 3.
More preferably, the sounding monomer 3 is in rectangle, and two leaks 31 are located at 3 short axle of sounding monomer
Opposite sides.So that the auxiliary leak 4 can extend along its long axis direction, better reliability.
The auxiliary leak 4 is placed in the back cavity 102, internal to have ventilation space 20, the auxiliary leak 4
The leak 31 is completely covered and is connected to the ventilation space 20 with the leak 31.
Specifically, the auxiliary leak 4 includes bracket 41 and breathable barrier 42.The bracket 41 include bottom wall 411,
Extend side wall 412 annular in shape along direction of vibration bending by the periphery of the bottom wall 411 and runs through the side wall 412 simultaneously
The air hole 413 being connected to the ventilation space 20.In the present embodiment, the bottom wall 411 it is parallel with the upper cover 2 and
Every setting.The direction of the vibration refers to the direction of vibration of 3 vibration sounding of sounding monomer.Wherein, the side wall 412 is institute
The periphery for stating bottom wall 411 is extended to form to 1 direction of lower cover bending；Certainly, the side wall 412 is the week of the bottom wall 411
Edge extends to form also possible to 2 direction of upper cover bending.
The breathable barrier 42 cover set the side far from the bottom wall 411 for being fixed on the side wall 412 and with it is described
Bottom wall 411 and the side wall 412 surround the ventilation space 20 jointly.The bracket 41 abut the sounding monomer 3 and completely
The leak 31 is covered, and is connected to the air hole 413 with the leak 31.
That is, the auxiliary leak 4 only realizes side along X-axis or Y direction in loudspeaker enclosure 100 of the invention
To arrangement, projection of the auxiliary leak 4 along X-axis or Y direction and the sounding monomer 3 perpendicular to Z axis vibration direction
It falls into 3 range of sounding monomer.In the present embodiment, the side wall 412 is the periphery of the bottom wall 411 under described
The bending of 1 direction of lid extends to form, i.e., the described bracket 41 is arranged with the lower cover 1 interval, the close lower cover 1 of the bracket 41
One side it is ventilative by the breathable barrier 42；It is of course also possible to the side wall 412 for the bottom wall 411 periphery to institute
The bending of 2 direction of upper cover is stated when extending to form, the bracket 1 is arranged with the upper cover 2 interval, the bracket 41 on described
The one side of lid 2 is ventilative by the breathable barrier 42.The structure of both the above embodiment can all make the auxiliary leak
Sound-absorbing particle isolation is realized complete filling structure by 4, and the filling amount of sound-absorbing particle is bigger, and frequency acoustic performance is more excellent.It is described
The air-flow of loudspeaker enclosure 100 flows into the ventilation space 20 by the leak 31 of the sounding monomer 3, then through described
Air bound off member 42 flows to the back cavity 102, and airflow direction is as shown in arrow in Fig. 4 and Fig. 5.
In present embodiment, the bracket 41 is in rectangle, and the air hole 413, which is provided with, is parallel to 41 short axle of bracket
The side wall 411.The structure increases the auxiliary leak 4 by the leak along its long axis direction (X-direction in Fig. 3)
31 leakage space, design space are bigger.
The quantity of the auxiliary leak 4 is matched with the leak 31, i.e., the described auxiliary leak 4 includes two and divides
Not Wei Yu the sounding monomer 3 opposite sides, two auxiliary leak 4 and are connected to respectively with two leaks 31.
The i.e. two auxiliary leaks 4 are located at the short axle two sides of the sounding monomer 3, and two auxiliary leaks 4 are distinguished
Positioned at the 3 short axle opposite sides of sounding monomer.
In present embodiment, the breathable barrier 42 is screen cloth.The breathable barrier 42 is glue with the bracket 41
It closes and fixes.Certainly, the breathable barrier 42 may be to be integrally formed with the bracket 41.
The sound-absorbing is particles filled in the back cavity 102, for enhancing frequency acoustic performance.In present embodiment, institute
Sound-absorbing particle is stated to be located on the outside of the auxiliary leak 4, i.e., the described auxiliary leak 4 by the sound-absorbing particle be packaged in it is described after
In chamber 102 and the sound-absorbing particle is isolated with the leak 31, the leak 31 for avoiding the sounding monomer 3 is described
Sound-absorbing particle blocks and causes gas pressure leak unsmooth, while increasing the leakage space of the leak 31, and improving sounding can
By property.The ventilation space 20 and 102 air communication of back cavity, the air communication refer to the ventilation space 20 with it is described after
The air of chamber 102 can exchange flowing, and the sound-absorbing particle in the back cavity 102 can not pass through the breathable barrier 42
Into the ventilation space 20.The sound-absorbing particle is packaged in the back cavity 102 by the auxiliary leak 4, forms D-
The virtual operatic tunes of BASS, for improving the frequency acoustic performance of the loudspeaker enclosure 100, which can be such that the back cavity 102 realizes
Complete filling structure effectively increases frequency acoustic performance so that the maximization of the back cavity 102 utilizes.It is described in present embodiment
Sound-absorbing particle is zeolite granular.
Specifically, opening up the powder filling hole 21 being connected to the back cavity 102, the suction in the upper cover 2 in present embodiment
Sound particle is poured into the back cavity 102 by the powder filling hole 21, then powder filling hole 21 is set closing by the lid of sealing cover 22.When
So, the powder filling hole 21 can also be opened in lower cover 1, this is also feasible.
Compared with the relevant technologies, the auxiliary with ventilation space is arranged loudspeaker enclosure of the invention in the back cavity and leaks
Portion makes the auxiliary leakage position in the side of the sounding monomer and the leak of the sounding monomer is completely covered, and makes
The leak is connected to the ventilation space, and is fixed on institute by setting the breathable barrier lid of the auxiliary leakage
The side wall of bracket is stated, the sound-absorbing particle is filled in the back cavity, by the breathable barrier by the sound-absorbing
Grain is blocked in outside the auxiliary leak, is increased the leakage area of the leak by the auxiliary leak, is avoided
The leak of the sounding monomer is blocked by the sound-absorbing particle and causes gas pressure leak unsmooth, improves sounding reliability；Together
When, complete filling structure can be achieved by the isolation of the auxiliary leak in the back cavity, and the filling amount of the sound-absorbing particle is bigger,
So that back cavity utilizes maximization, the acoustical behavior for the loudspeaker enclosure being effectively improved.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of loudspeaker enclosure comprising lower cover surrounds the upper cover of accommodating space with the lower cover and is contained in the receiving sky
In and be used for the sounding monomer of vibration sounding, the sounding monomer and the upper cover surround ante-chamber, the sounding monomer, described
Lower cover and the upper cover surround back cavity jointly, and the sounding monomer is equipped with the leakage for being connected to its internal cavity with the back cavity
Hole, the sounding monomer includes side, and the leak is revealed from the side, which is characterized in that the loudspeaker enclosure also wraps
Include the auxiliary leak with ventilation space being set in the back cavity and the sound-absorbing particle being filled in the back cavity；It is described
Auxiliary leak is completely covered the leak and is connected to the ventilation space with the leak, the auxiliary leak packet
Include bracket and breathable barrier, the bracket includes bottom wall, extended by the periphery of the bottom wall along direction of vibration bending and be in
Cricoid side wall and through the side wall and the air hole that is connected to the ventilation space, the bracket abuts the sounding list
Body and the leak is completely covered and is connected to the air hole with the leak, the breathable barrier lid, which is set, to be fixed on
The side far from the bottom wall of the side wall simultaneously surrounds the ventilation space with the bottom wall and the side wall jointly, described
Headroom and the back cavity air communication；The sound-absorbing particle is located on the outside of the auxiliary leak.
2. loudspeaker enclosure according to claim 1, which is characterized in that the bracket is in rectangle, and the air hole is provided with
It is parallel to the side wall of the bracket short axle.
3. loudspeaker enclosure according to claim 1, which is characterized in that the side wall is the periphery of the bottom wall under described
The bending of lid direction extends to form.
4. loudspeaker enclosure according to claim 1, which is characterized in that the leak includes two and is located at described
The opposite sides of sounding monomer, the auxiliary leak include two and are located at the opposite sides of the sounding monomer, and two
A auxiliary leak is connected to two leaks respectively.
5. loudspeaker enclosure according to claim 4, which is characterized in that the sounding monomer is in rectangle, two leakages
Hole is located at the sounding monomer short axle opposite sides, and two auxiliary leaks are located at the sounding monomer short axle
Opposite sides.
6. loudspeaker enclosure according to claim 1, which is characterized in that the breathable barrier is screen cloth, it is described it is ventilative every
Off member and the bracket are glued fixed.
7. loudspeaker enclosure according to claim 6, which is characterized in that the breathable barrier is injection molding one with the bracket
It is body formed.
8. loudspeaker enclosure according to claim 1, which is characterized in that the bottom wall is parallel with the upper cover and interval is set
It sets.
9. loudspeaker enclosure according to claim 1, which is characterized in that the sounding monomer includes being supported in the upper cover
The frame that is surrounded by frame side wall and the magnetic yoke for being at least partly fixed on the frame side wall, the magnetic yoke at least partly with it is described
Frame side wall is along the direction of vibration interval to form the leak.
10. loudspeaker enclosure according to claim 1, which is characterized in that the loudspeaker enclosure further includes through the upper cover
The powder filling hole of setting and it is fixed on the upper cover and lid sets the sealing cover in the powder filling hole, the powder filling hole and the back cavity connect
Logical, the sound-absorbing particle pours into the back cavity by the powder filling hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650374.2A CN109714676B (en) | 2018-12-31 | 2018-12-31 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650374.2A CN109714676B (en) | 2018-12-31 | 2018-12-31 | Loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109714676A true CN109714676A (en) | 2019-05-03 |
| CN109714676B CN109714676B (en) | 2021-01-08 |
Family
ID=66260623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811650374.2A Expired - Fee Related CN109714676B (en) | 2018-12-31 | 2018-12-31 | Loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109714676B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153501A (en) * | 2020-08-27 | 2020-12-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| WO2021138951A1 (en) * | 2020-01-09 | 2021-07-15 | 瑞声声学科技(深圳)有限公司 | Speaker enclosure |
| WO2021138952A1 (en) * | 2020-01-09 | 2021-07-15 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN113473351A (en) * | 2021-06-28 | 2021-10-01 | 歌尔股份有限公司 | Loudspeaker module, processing technology of isolation mesh assembly and electronic equipment |
| WO2022041453A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
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| CN206433106U (en) * | 2017-01-12 | 2017-08-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN207251897U (en) * | 2017-08-21 | 2018-04-17 | 瑞声科技(新加坡)有限公司 | Microphone device |
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| CN109068230A (en) * | 2018-08-10 | 2018-12-21 | 瑞声科技（南京）有限公司 | Loudspeaker enclosure |
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| CN206433106U (en) * | 2017-01-12 | 2017-08-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
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| CN207251897U (en) * | 2017-08-21 | 2018-04-17 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN108462906A (en) * | 2018-01-05 | 2018-08-28 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021138951A1 (en) * | 2020-01-09 | 2021-07-15 | 瑞声声学科技(深圳)有限公司 | Speaker enclosure |
| WO2021138952A1 (en) * | 2020-01-09 | 2021-07-15 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN112153501A (en) * | 2020-08-27 | 2020-12-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| WO2022041453A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN112153501B (en) * | 2020-08-27 | 2024-04-02 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| CN113473351A (en) * | 2021-06-28 | 2021-10-01 | 歌尔股份有限公司 | Loudspeaker module, processing technology of isolation mesh assembly and electronic equipment |
| CN113473351B (en) * | 2021-06-28 | 2023-04-25 | 歌尔股份有限公司 | Speaker module, processing technology of isolation mesh assembly and electronic equipment |
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|---|---|
| CN109714676B (en) | 2021-01-08 |
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