CN109714678A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN109714678A CN109714678A CN201811650393.5A CN201811650393A CN109714678A CN 109714678 A CN109714678 A CN 109714678A CN 201811650393 A CN201811650393 A CN 201811650393A CN 109714678 A CN109714678 A CN 109714678A
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- China
- Prior art keywords
- retaining wall
- loudspeaker
- shell
- loudspeaker monomer
- cover board
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Abstract
The present invention provides a kind of loudspeaker enclosures, it includes first shell, second shell and loudspeaker monomer, first shell and loudspeaker monomer are enclosed ante-chamber, first shell, second shell and loudspeaker monomer are enclosed back cavity, sound-absorbing particle is filled in back cavity, loudspeaker monomer is equipped with the leakage channel for being connected to its inner space with back cavity, loudspeaker monomer has side, leakage channel is revealed from side, first shell includes bottom wall, loudspeaker monomer is fixedly arranged on bottom wall, bottom wall is intracavitary backward to have extended to form retaining wall, cover board is installed on retaining wall, bottom wall, retaining wall and cover board are enclosed the auxiliary leak with ventilation space, auxiliary leak is completely covered leakage channel and is connected to ventilation space with leakage path, leak is assisted to separate sound-absorbing particle and leakage path, wherein, retaining wall and cover board are supported with loudspeaker monomer It connects, cover board is at least partly ventilative so that ventilation space and back cavity air communication.Loudspeaker enclosure acoustical behavior of the invention is more preferable.
Description
[technical field]
The present invention relates to acoustic-electric field 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.
Loudspeaker includes the loudspeaker monomer for having the shell of accommodating space and being contained in the accommodating space, described
The accommodating space is separated into back cavity and ante-chamber by loudspeaker monomer, in order to obtain better audio frequency effect, generally requires receiving
Hold and the virtual operatic tunes is set (especially in back cavity) in space, and in the intracavitary filling sound-absorbing material of Virtual Sound.In the related technology for
The design of the virtual operatic tunes mainly uses following several:
One, it heats scheme: separation net hot melt is fixed on barricade；
Two, complete filling scheme: monomer is ventilative by screen cloth, and back cavity whole volume passes through net as Virtual Sound cavity volume
Cloth, which blocks powder to enter, leads to noise in monomer；
Three, plate scheme: being separated by plate, forms virtual operatic tunes isolated area.
Wherein, hot melt scheme effectively cannot be such that Virtual Sound cavity volume maximizes using BOX cavity, and heat barricade and occupy
Many BOX cavity space；Complete filling scheme can be generated causes audio performance to lose because monomer leakage path outlet is unsmooth
Problem；Although plate scheme reduces volume occupied by the virtual operatic tunes barricade of hot melt, greatly improve Virtual Sound cavity volume, but after
Cavity volume fully effective cannot utilize.That is, above-mentioned three kinds of schemes can not combine leakage maximization and the virtual operatic tunes
Volume maximization.
Therefore, it is really necessary to provide a kind of new loudspeaker enclosure solution above-mentioned technical problem.
[summary of the invention]
The purpose of the present invention is to provide it is a kind of can combine leakage maximize and Virtual Sound cavity volume maximumlly raise
Sound device case.
In order to achieve the above object, the present invention provides a kind of loudspeaker enclosures, including first shell and the first shell
The loudspeaker monomer for assembling the second shell to form accommodating space and being contained in the accommodating space, the first shell with
The loudspeaker monomer is enclosed ante-chamber, and the first shell, the second shell and the loudspeaker monomer are enclosed
Back cavity, the back cavity is interior to be filled with sound-absorbing particle, and the loudspeaker monomer is equipped with and is connected to its inner space with the back cavity
Leakage channel, the loudspeaker monomer has side, and the leakage channel reveals from the side, and the first shell includes
Bottom wall, the loudspeaker monomer are fixedly arranged on the bottom wall, and the bottom wall has extended to form retaining wall, the gear into the back cavity
Cover board is installed on wall, the bottom wall, the retaining wall and the cover board are enclosed the auxiliary leak with ventilation space, institute
It states auxiliary leak the leakage channel is completely covered and is connected to the ventilation space with the leakage path, the auxiliary is let out
Leakage portion separates the sound-absorbing particle and the leakage path, wherein the retaining wall and the cover board and the loudspeaker monomer
It abuts, the cover board is at least partly ventilative so that the ventilation space and the back cavity air communication.
Preferably, the cover board includes the plate ontology connecting with the retaining wall and breathable barrier, on the plate ontology
Through the air hole for being connected to the ventilation space and the back cavity is equipped with, the breathable barrier is fixedly arranged on the plate ontology simultaneously
The air hole is covered so that the ventilation space and the back cavity air communication.
Preferably, the breathable barrier and the plate ontology injection molding, alternatively, the breathable barrier and the plate
Ontology is fixed by hot melt or dispensing or gum mode.
Preferably, the cover board is breathable barrier.
Preferably, the retaining wall is formed with installation step far from the side of the bottom wall, and the cover board is fixed on the peace
It fills on step.
Preferably, the two opposite sides of the loudspeaker monomer are respectively equipped with the leakage path, and the auxiliary leak is set
There are two and be connected to respectively with two leakage paths.
Preferably, the loudspeaker monomer is in rectangle, and it is short that two leakage paths are located at the loudspeaker monomer
Axis two opposite sides.
Preferably, the loudspeaker monomer includes the frame surrounded by frame side wall for being supported in the bottom wall and at least portion
Point be fixed on the magnetic yoke of the frame side wall, the magnetic yoke at least partly with the frame side wall along direction of vibration interval to be formed
The leakage path.
Preferably, the loudspeaker enclosure further includes through the powder filling hole that the first shell is arranged and being fixed on described first
Shell and lid set the sealing cover in the powder filling hole, and the powder filling hole is connected to the back cavity, and the sound-absorbing particle is by the powder filling
Hole pours into the back cavity.
Preferably, the retaining wall includes with spaced first retaining wall of the loudspeaker monomer and from first retaining wall
The second retaining wall and third retaining wall that both ends extend to loudspeaker monomer direction bending, second retaining wall, the third gear
Wall and the cover board are abutted with the loudspeaker monomer so that the leakage channel is completely covered in the auxiliary leak.
Preferably, one end that second retaining wall and the third retaining wall are connected to the loudspeaker monomer is higher than described the
Two retaining walls and the third retaining wall are connected to one end of first retaining wall.
Compared with the relevant technologies, loudspeaker enclosure of the invention encloses shape by the bottom wall, the retaining wall and the cover board
At auxiliary leak the sound-absorbing material being packaged in the back cavity is isolated with the leakage channel, avoid the loudspeaker
The leakage channel of monomer is blocked by the sound-absorbing material and causes gas pressure leak unsmooth, while increasing the leakage channel
Leakage space, improve sounding reliability；Simultaneously because the auxiliary that the bottom wall, the retaining wall and the cover board are enclosed
It is completely used for encapsulation sound-absorbing material on the outside of leak and forms the virtual operatic tunes, for improving the frequency acoustic of the loudspeaker enclosure
Can, so that back cavity maximization utilizes, frequency acoustic performance is effectively increased, and then reach and combine leakage maximum
Change and the maximized purpose of Virtual Sound cavity volume.
[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 exploded view of loudspeaker enclosure of the present invention；
Fig. 2 is the structural schematic diagram of first shell in loudspeaker enclosure shown in Fig. 1；
Fig. 3 is the perspective view after the assembling of loudspeaker enclosure sector structure shown in Fig. 1；
Fig. 4 is the perspective view after loudspeaker enclosure shown in Fig. 1 assembles completely；
Fig. 5 is the cut-away view in the direction loudspeaker enclosure A-A shown in Fig. 4；
Fig. 6 is the enlarged drawing of the part a in loudspeaker enclosure shown in Fig. 5.
[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 to Fig. 6, loudspeaker enclosure 100 includes that first shell 1 and the first shell 1 assemble to form receipts
The loudspeaker monomer 3 for holding the second shell 2 in space and being contained in the accommodating space, the first shell 1 are raised with described
Sound device monomer 3 is enclosed ante-chamber A, after the first shell 1, the second shell 2 and the loudspeaker monomer 3 are enclosed
Sound-absorbing particle (not shown) is filled in chamber B, the back cavity B.Wherein, the ante-chamber A is used for sounding, and the back cavity B is for changing
It is apt to the frequency acoustic performance of the loudspeaker enclosure 100.
The first shell 1 includes bottom wall 11, and the loudspeaker monomer 3 is fixedly arranged on the bottom wall 11.
The loudspeaker monomer 3 is equipped with the leakage channel 3A for being connected to its inner space with the back cavity B, the leakage
Channel 3A is sent to the back cavity B for acoustic pressure to increase the frequency acoustic performance of loudspeaker enclosure.
Wherein, the loudspeaker monomer 3 has side, and the leakage channel 3A is revealed from the side.Specifically, described
Loudspeaker monomer 3 includes being supported in the frame 31 of the bottom wall 11 surrounded by frame side wall 311 and being at least partly fixed on institute
State the magnetic yoke 33 of frame side wall 311, the magnetic yoke 33 at least partly with the frame side wall 311 along direction of vibration interval to be formed
The leakage path 3A, so that the leakage channel 3A is revealed from the side.As shown in Figure 3 and Figure 5, the vibration side
It is X-direction to the leakage direction for Z-direction, the leakage channel 3A.Certainly, in other embodiments, the leakage is logical
The leakage direction of road 3A can also be Y direction.Certainly, in other embodiments, the leakage channel can also be located at described
On frame side wall.
The bottom wall 11 has extended to form retaining wall 12 into the back cavity B, and cover board 13 is installed on the retaining wall 12, described
Bottom wall 11, the retaining wall 12 and the cover board 13 are enclosed the auxiliary leak with ventilation space 15, the auxiliary leakage
Portion is completely covered the leakage channel 3A and is connected to the ventilation space 15 with the leakage path 3A, the auxiliary leak
The sound-absorbing particle and the leakage path 3A are separated, wherein the retaining wall 12 and the cover board 13 and the loudspeaker list
Body 3 abuts, and the cover board 13 is at least partly ventilative so that the ventilation space 15 and the back cavity B air communication.It is described to raise
When sound device monomer 3 vibrates, internal air-flow flows into the ventilation space 15 from the leakage path 3A, then through the cover board
13 flow to the back cavity B from the ventilation space 15, and airflow direction is as shown by the arrows in Figure 6.Due to the bottom wall 11, the gear
The auxiliary leak that wall 12 and the cover board 13 are enclosed will be packaged in the sound-absorbing material in the back cavity B and the leakage is logical
Road 3A isolation, the leakage channel 3A for avoiding the loudspeaker monomer 3 are blocked by the sound-absorbing material and air pressure are caused to let out
Leakage space that is unsmooth, while increasing the leakage channel 3A is leaked, sounding reliability is improved；Simultaneously because the bottom wall
11, it is completely used for encapsulation sound-absorbing material on the outside of the auxiliary leak that the retaining wall 12 and the cover board 13 are enclosed and forms void
Onomatopoeia chamber, for improving the frequency acoustic performance of the loudspeaker enclosure 100, so that back cavity B maximization utilizes, effectively
Improve frequency acoustic performance.
In the present embodiment, the cover board 13 includes the plate ontology 131 connecting with the retaining wall 12 and breathable barrier
133, it is described ventilative through being equipped with the air hole 135 for being connected to the ventilation space 15 and back cavity B on the plate ontology 131
Separator 133 be fixedly arranged on the plate ontology 131 and cover the air hole 135 so that the ventilation space 15 and it is described after
Chamber B air communication.Certainly, in other embodiments, the cover board 13, which can moreover be only, is fixedly arranged on breathing freely on the barricade 12
Separator.
Wherein, the breathable barrier 133 is in non-woven fabrics, nylon mesh grid, wool weaving net, metal mesh and adjustable sound paper
Any one.
In the present embodiment, the breathable barrier 133 and 131 injection molding of plate ontology, alternatively, it is described it is ventilative every
Off member 133 is fixed with the plate ontology 131 by hot melt or dispensing or gum mode.
In the present embodiment, the retaining wall 12 is formed with installation step 121, the cover board far from the side of the bottom wall 11
13 are fixed on the installation step 121.
In the present embodiment, the two opposite sides of the loudspeaker monomer 3 are respectively equipped with the leakage path 3A, the auxiliary
Leak sets there are two and is connected to respectively with two leakage path 3A.The sound of the loudspeaker monomer 3 can be improved in this way
Flatten the reliability of weighing apparatus.
Further, the loudspeaker monomer 3 is in rectangle, and two leakage path 3A are located at the loudspeaker list
3 short axle two opposite sides of body, i.e., X-direction as shown in Figure 3 and Figure 5.In this way, making the auxiliary leak can be along its long axis side
To extension, better reliability.
In the present embodiment, the loudspeaker enclosure 100 further includes through the powder filling hole 5 that the first shell 1 is arranged and consolidating
Due to the first shell 1 and lid sets the sealing cover 7 in the powder filling hole 5, and the powder filling hole 5 is connected to the back cavity B, the suction
Sound particle pours into the back cavity B by the powder filling hole 5.Certainly, in other embodiments, the powder filling hole and the sealing cover
It can be set in the second shell 2.
In the present embodiment, the retaining wall 12 include with the spaced first retaining wall 12A of the loudspeaker monomer 3 and from
The the second retaining wall 12B and third retaining wall 12C that the both ends first retaining wall 12A extend to 3 direction of loudspeaker monomer bending, institute
It states the second retaining wall 12B, the third retaining wall 12C and the cover board 13 is abutted with the loudspeaker monomer 3 so that the auxiliary
The leakage channel 3A is completely covered in leak.As shown in Fig. 2, the installation step 121 divides for sequentially connected three parts,
And three parts are located on the first retaining wall 12A, the second retaining wall 12B and the third retaining wall 12C.
Further, the second retaining wall 12B and third retaining wall 12C is connected to one end of the loudspeaker monomer 3
Higher than one end that the second retaining wall 12B and the third retaining wall 12C are connected to the first retaining wall 12A.It can increase in this way
Leakage space when air-flow flows to the back cavity B from the ventilation space 15 through the cover board 13.
Compared with the relevant technologies, loudspeaker enclosure of the invention passes through the bottom wall 11, the retaining wall 12 and the cover board 13
The auxiliary leak being enclosed is isolated by the sound-absorbing material being packaged in the back cavity B with the leakage channel 3A, is avoided
The leakage channel 3A of the loudspeaker monomer 3 is blocked by the sound-absorbing material and is caused gas pressure leak unsmooth, is increased simultaneously
The leakage space of the leakage channel 3A, improves sounding reliability；Simultaneously because the bottom wall 11, the retaining wall 12 and institute
State be completely used on the outside of the auxiliary leak that cover board 13 is enclosed encapsulation sound-absorbing material form the virtual operatic tunes, for improving
The frequency acoustic performance of loudspeaker enclosure 100 is stated, so that back cavity B maximization utilizes, effectively increases frequency acoustic
Can, and then reach and combine leakage maximization and the maximized purpose of Virtual Sound cavity volume.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (11)
1. a kind of loudspeaker enclosure, assembled including first shell, with the first shell second shell to form accommodating space and
The loudspeaker monomer being contained in the accommodating space, the first shell and the loudspeaker monomer are enclosed ante-chamber, institute
It states first shell, the second shell and the loudspeaker monomer and is enclosed back cavity, be filled with sound-absorbing particle in the back cavity,
The loudspeaker monomer is equipped with the leakage channel for being connected to its inner space with the back cavity, and the loudspeaker monomer has side
Face, the leakage channel are revealed from the side, and the first shell includes bottom wall, and the loudspeaker monomer is fixedly arranged on the bottom
On wall, which is characterized in that the bottom wall has extended to form retaining wall into the back cavity, and cover board is installed on the retaining wall, described
Bottom wall, the retaining wall and the cover board are enclosed the auxiliary leak with ventilation space, and the auxiliary leak covers completely
It covers the leakage channel and is connected to the ventilation space with the leakage path, the auxiliary leak is by the sound-absorbing particle
Separate with the leakage path, wherein the retaining wall and the cover board are abutted with the loudspeaker monomer, the cover board at least portion
Divide ventilative so that the ventilation space and the back cavity air communication.
2. loudspeaker enclosure according to claim 1, which is characterized in that the cover board includes the plate sheet connecting with the retaining wall
Body and breathable barrier, it is described through being equipped with the air hole for being connected to the ventilation space and the back cavity on the plate ontology
Breathable barrier is fixedly arranged on the plate ontology and covers the air hole so that the ventilation space and the back cavity air
Connection.
3. loudspeaker enclosure according to claim 2, which is characterized in that the breathable barrier is molded into the plate ontology
Type, alternatively, the breathable barrier is fixed with the plate ontology by hot melt or dispensing or gum mode.
4. loudspeaker enclosure according to claim 1, which is characterized in that the cover board is breathable barrier.
5. loudspeaker enclosure according to claim 1, which is characterized in that the retaining wall is formed with far from the side of the bottom wall
Installation step, the cover board are fixed on the installation step.
6. loudspeaker enclosure according to claim 1, which is characterized in that the two opposite sides of the loudspeaker monomer are respectively equipped with
The leakage path, the auxiliary leak set there are two and are connected to respectively with two leakage paths.
7. loudspeaker enclosure according to claim 6, which is characterized in that the loudspeaker monomer is in rectangle, is let out described in two
Leakage channel is located at loudspeaker monomer short axle two opposite sides.
8. loudspeaker enclosure according to claim 1, which is characterized in that the loudspeaker monomer includes being supported in the bottom wall
The frame 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 institute
Frame side wall is stated along direction of vibration interval to form the leakage path.
9. loudspeaker enclosure according to claim 1, which is characterized in that the loudspeaker enclosure further includes through the first shell
The powder filling hole of body setting and be fixed on the first shell and lid sets the sealing cover in the powder filling hole, the powder filling hole and it is described after
Chamber connection, the sound-absorbing particle pour into the back cavity by the powder filling hole.
10. loudspeaker enclosure according to claim 1 to 9, which is characterized in that the retaining wall includes raising with described
Spaced first retaining wall of sound device monomer and the bending extension from first retaining wall both ends to the loudspeaker monomer direction
Second retaining wall and third retaining wall, second retaining wall, the third retaining wall and the cover board abutted with the loudspeaker monomer with
So that the leakage channel is completely covered in the auxiliary leak.
11. loudspeaker enclosure according to claim 10, which is characterized in that second retaining wall and the third retaining wall abut
It is higher than second retaining wall in one end of the loudspeaker monomer and the third retaining wall is connected to one end of first retaining wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650393.5A CN109714678B (en) | 2018-12-31 | 2018-12-31 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650393.5A CN109714678B (en) | 2018-12-31 | 2018-12-31 | Loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109714678A true CN109714678A (en) | 2019-05-03 |
| CN109714678B CN109714678B (en) | 2021-04-30 |
Family
ID=66260430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811650393.5A Expired - Fee Related CN109714678B (en) | 2018-12-31 | 2018-12-31 | Loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109714678B (en) |
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| CN109714678B (en) | 2021-04-30 |
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Granted publication date: 20210430 Termination date: 20211231 |