CN109788375A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN109788375A CN109788375A CN201811650392.0A CN201811650392A CN109788375A CN 109788375 A CN109788375 A CN 109788375A CN 201811650392 A CN201811650392 A CN 201811650392A CN 109788375 A CN109788375 A CN 109788375A
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- CN
- China
- Prior art keywords
- upper cover
- sounding monomer
- bracket
- back cavity
- leak
- 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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- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention discloses a kind of loudspeaker enclosure comprising upper cover, lid set and be fixed on the upper cover and the lower cover of accommodating space is collectively formed and is contained in the sounding monomer of the accommodating space；The sounding monomer, the lower cover and the upper cover surround back cavity jointly, sound-absorbing particle is filled in the back cavity, the sounding monomer is equipped with leak, the sounding monomer includes side, the leak is revealed from the side, the loudspeaker enclosure further includes the ventilation part being formed in the back cavity, the ventilation part includes bracket and breathable barrier annular in shape, the breathable barrier is located at the side of the close lower cover of the bracket and is integrally formed with the bracket, the bracket, the breathable barrier and the upper cover surround the ventilation space being connected to the back cavity jointly；The ventilation part separates the sound-absorbing particle and the leak.Compared with the relevant technologies, loudspeaker enclosure acoustical behavior of the invention is excellent.
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.
The loudspeaking case of the relevant technologies includes upper cover, covers to set and be fixed on the upper cover and be collectively formed under accommodating space
The sounding monomer and breathable barrier that cover, are contained in the accommodating space and the retaining wall for being formed in the accommodating space；Institute
It states sounding monomer and the upper cover surrounds ante-chamber, the sounding monomer, the lower cover and the upper cover surround back cavity jointly, described
Loudspeaker enclosure further includes the ventilative chamber for being formed in the back cavity.
In the related technology since hot melt barricade forms ventilative chamber.Specifically: the loudspeaker enclosure further include be formed in it is described
The back cavity is separated out ventilative chamber by the hot melt barricade in accommodating space, the hot melt barricade, however, in the related technology, and institute
It states hot melt barricade and occupies many cavity spaces；Therefore existing effectively to make ventilative cavity volume using loudspeaker enclosure cavity
It is maximized insufficient.
The conceptual design for also using plate in the related technology, is separated by plate, forms independent ventilative chamber, but still deposit
Back cavity volume cannot be by the fully effective deficiency utilized.
Additionally use complete filling scheme in the related technology: monomer is ventilative by screen cloth, and back cavity whole volume is used as ventilative chamber,
And powder is blocked to enter in sounding monomer and lead to noise by screen cloth, but lead to audio there are monomer the first leak outlet is unsmooth
The deficiency of performance loss.
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 a kind of loudspeaker enclosures that acoustical behavior is excellent.
In order to achieve the above objectives, the present invention provides a kind of loudspeaker enclosures comprising upper cover, lid set and be fixed on the upper cover
And the lower cover of accommodating space is collectively formed and is contained in the sounding monomer of the accommodating space；The sounding monomer has vibration
Film, the upper cover and the vibrating diaphragm face, the accommodating space is separated to form ante-chamber and back cavity by the sounding monomer, before described
Chamber is formed between the vibrating diaphragm and the upper cover, the sounding monomer, the lower cover and the upper cover surround jointly it is described after
Chamber, the back cavity is interior to fill sound-absorbing particle, and the sounding monomer is equipped with the leak being connected to the back cavity, the sounding list
Body includes side, and the leak is revealed from the side；The loudspeaker enclosure further includes being formed in breathing freely in the back cavity
Portion, the ventilation part include bracket and breathable barrier annular in shape, the bracket be connected to simultaneously the sounding monomer and
The upper cover, the breathable barrier be located at the bracket close to the lower cover side and with the bracket integrated through injection molding at
Type, the bracket, the breathable barrier and the upper cover surround the ventilation space being connected to the back cavity jointly；The branch
The leak is completely covered in the side that frame is connected to the sounding monomer, and the side is logical equipped with what is be connected to the ventilation space
Hole, the through-hole are connected to the leak；The ventilation part separates the sound-absorbing particle and the leak.
Preferably, the bracket is in rectangle, and the through-hole is provided with the side wall for being parallel to the bracket short axle.
Preferably, the leak includes two and is located at the opposite sides of the sounding monomer, the through-hole packet
It includes two and is connected to respectively with two leaks.
Preferably, the sounding monomer is in rectangle, and it is opposite that two leaks are located at the sounding monomer short axle
Two sides.
Preferably, the breathable barrier is screen cloth.
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.
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 direction of vibration interval to be formed
State leak.
Compared with the relevant technologies, loudspeaker enclosure of the invention has independent in the setting of the position of the leakage of sounding monomer
The ventilation part of headroom makes the ventilation part be located at the side of the sounding monomer and the leakage of the sounding monomer is completely covered
Hole, and it is connected to the leak with the ventilation space, it realizes the separation of leak and sound-absorbing particle, can guarantee sounding monomer
Leakage space it is unobstructed, do not influence whole audio performance, and ventilation part in loudspeaker enclosure of the invention occupies cavity space
It is smaller, complete filling structure is realized by the isolation of the ventilation part in the back cavity, the filling amount of sound-absorbing particle is bigger, can be effective
The volume using loudspeaker enclosure back cavity, further improve the audio performance of product.
[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-structure exploded view of loudspeaker enclosure of the present invention；
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；
Fig. 5 is the enlarged drawing of part shown in B in 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 Shenfu Fig. 1-5, a kind of loudspeaker enclosure 100 comprising upper cover 1, lower cover 2, sounding monomer 3.
The lid of lower cover 2, which is set, to be fixed on the upper cover 1 and accommodating space 10 is collectively formed.The sounding monomer 3 is contained in
In the accommodating space 10, it to be used for sounding.The sounding monomer 3 has vibrating diaphragm 31, the upper cover 1 and 31 face of vibrating diaphragm,
The accommodating space 10 is separated to form ante-chamber 101 and back cavity 102 by the sounding monomer 3, and the ante-chamber 101 is formed in the vibration
Between film 31 and the upper cover 1.The back cavity 102 is for improving frequency acoustic performance.
The sounding monomer 3 is equipped with the leak 32 being connected to the back cavity 102.The back cavity is sent to for acoustic pressure
102 increase frequency acoustic performance.In present embodiment, the sounding monomer 3 includes side, and the leak 32 is from the side
Leakage.
Specifically, the sounding monomer 3 includes 34 He of frame surrounded by frame sidewall 34 1 for being supported in the upper cover 1
At least partly it is fixed on the magnetic yoke 33 of the frame sidewall 34 1, the magnetic yoke 33 is at least partly with the frame sidewall 34 1 along vibration
Direction interval is moved to form the leak 32, i.e. Z-direction interval in Fig. 3, to make the leak 32 by the sounding
The side leakage of monomer 3, i.e., it is along such as X-direction in Fig. 3 that it, which leaks direction,.The loudspeaker enclosure 100 further includes being formed in institute
The ventilation part 4 of accommodating space 10 is stated, the ventilation part 4 includes bracket 41 and breathable barrier 42 annular in shape, the bracket
41 are connected to the sounding monomer 3 and the upper cover 1 simultaneously, and the breathable barrier 42 is located at the close described of the bracket 41
The side of lower cover 2 is simultaneously integrally formed, the bracket 41, the breathable barrier 42 and the upper cover with the bracket 41
1 surrounds the ventilation space 1021 being connected to the back cavity 102 jointly；The bracket 41 is connected to the side of the sounding monomer 3
Be completely covered the leak 32, and the side is equipped with the through-hole 7 being connected to the ventilation space 1021, the through-hole 7 with it is described
Leak 32 is connected to；The ventilation part 4 separates the sound-absorbing particle and the leak 32.It is equipped with and inhales in the back cavity 102
Sound particle.For example, the sound-absorbing particle is zeolite granular.In the design, the leak 32 and the sound-absorbing particle are realized
Separation, can guarantee that the leakage space of sounding monomer 3 is unobstructed, does not influence whole audio performance.
In present embodiment, the breathable barrier 42 is screen cloth.
That is, the ventilation part 4 only realizes lateral cloth along X-axis or Y direction in loudspeaker enclosure 100 of the invention
It sets, the ventilation part 4 falls into described along the projection of X-axis or Y direction and the sounding monomer 3 perpendicular to Z axis vibration direction
In 3 range of sounding monomer.The bracket 41 is spaced with the lower cover 2, and the bracket 41 passes through institute close to the side of the lower cover 2
It is ventilative to state breathable barrier 42, sound-absorbing particle isolation is realized complete filling structure by the ventilation part 4, sound-absorbing particle it is filling
Amount is bigger, and frequency acoustic performance is more excellent.The air-flow of the loudspeaker enclosure 100 is flowed by the leak 32 of the sounding monomer 3
Enter to the ventilation space 1021, then flow to the back cavity 102 through the breathable barrier 42, in airflow direction such as Fig. 4 and Fig. 5
Shown in arrow.
In present embodiment, the bracket 41 is in rectangle, and the through-hole 7 is provided with the institute for being parallel to 41 short axle of bracket
State side wall.
In present embodiment, the leak 32 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 32 are located at 3 short axle of sounding monomer
Opposite sides.
The quantity of the ventilation part 4 is matched with the leak 32, i.e., the described ventilation part 4 include two and respectively with two
The leak 32 is connected to.That is the short axle two sides that two ventilation parts 4 are located at the sounding monomer 3.
More preferably, the loudspeaker enclosure 100 further includes through the powder filling hole 5 that the upper cover 1 is arranged and being fixed on described
Lid 1 and lid set the sealing cover 6 in the powder filling hole 5, and the powder filling hole 5 is connected to the ventilation part 4, and the sound-absorbing particle is by described
Powder filling hole 5 pours into the back cavity 102, then powder filling hole 5 is closed.Certainly, the powder filling hole 5 can also be opened in lower cover 2, this is also
It is feasible.
The sound-absorbing is particles filled in the back cavity 102, for enhancing frequency acoustic performance.In present embodiment, institute
It states sound-absorbing particle and is located at 4 outside of ventilation part, i.e., the described ventilation part 4 separates the sound-absorbing particle with the leak 32,
The leak 32 for avoiding the sounding monomer 3 is blocked by the sound-absorbing particle and causes gas pressure leak unsmooth, increases simultaneously
The leakage space of the leak 32, improves sounding reliability.The ventilation part 4 by the sound-absorbing particle be packaged in it is described after
In chamber 102, the virtual operatic tunes of D-BASS is formed, for improving the frequency acoustic performance of the loudspeaker enclosure 100, which can make institute
It states back cavity 102 and realizes complete filling structure, so that the maximization of the back cavity 102 utilizes, effectively increase frequency acoustic performance.
Compared with the relevant technologies, loudspeaker enclosure of the invention has independent in the setting of the position of the leakage of sounding monomer
The ventilation part of headroom makes the ventilation part be located at the side of the sounding monomer and the leakage of the sounding monomer is completely covered
Hole, and it is connected to the leak with the ventilation space, it realizes the separation of leak and sound-absorbing particle, can guarantee sounding monomer
Leakage space it is unobstructed, do not influence whole audio performance, and ventilation part in loudspeaker enclosure of the invention occupies cavity space
It is smaller, complete filling structure is realized by the isolation of the ventilation part in the back cavity, the filling amount of sound-absorbing particle is bigger, can be effective
The volume using loudspeaker enclosure back cavity, further improve the audio performance of product.
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 (7)
1. a kind of loudspeaker enclosure comprising upper cover, lid set be fixed on the upper cover and be collectively formed accommodating space lower cover and
It is contained in the sounding monomer of the accommodating space；The sounding monomer has vibrating diaphragm, the upper cover and the vibrating diaphragm face, described
The accommodating space is separated to form ante-chamber and back cavity by sounding monomer, the ante-chamber be formed in the vibrating diaphragm and the upper cover it
Between, the sounding monomer, the lower cover and the upper cover surround the back cavity jointly, fill sound-absorbing particle, institute in the back cavity
It states sounding monomer and is equipped with the leak that is connected to the back cavity, the sounding monomer includes side, and the leak is from described
Side leakage, which is characterized in that the loudspeaker enclosure further includes the ventilation part being formed in the back cavity, and the ventilation part includes
Bracket and breathable barrier annular in shape, the bracket is connected to the sounding monomer and the upper cover simultaneously, described ventilative
Separator be located at the bracket close to the lower cover side and be integrally formed with the bracket, it is the bracket, described
Breathable barrier and the upper cover surround the ventilation space being connected to the back cavity jointly；The bracket is connected to the sounding
The leak is completely covered in the side of monomer, and the side is equipped with the through-hole being connected to the ventilation space, the through-hole and institute
State leak connection；The ventilation part separates the sound-absorbing particle and the leak.
2. loudspeaker enclosure according to claim 1, which is characterized in that the bracket is in rectangle, and the through-hole is provided with flat
Row is in the side wall of the bracket short axle.
3. 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 through-hole include two and are connected to respectively with two leaks.
4. loudspeaker enclosure according to claim 3, which is characterized in that the sounding monomer is in rectangle, two leakages
Hole is located at the sounding monomer short axle opposite sides.
5. loudspeaker enclosure according to claim 1, which is characterized in that the breathable barrier is screen cloth.
6. loudspeaker enclosure according to claim 1, which is characterized in that the loudspeaker enclosure further includes setting through the upper cover
The powder filling hole set and it is fixed on the upper cover and lid sets the sealing cover in the powder filling hole, the powder filling hole is connected to the back cavity,
The sound-absorbing particle pours into the back cavity by the powder filling hole.
7. 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 forms the leak along direction of vibration interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650392.0A CN109788375A (en) | 2018-12-31 | 2018-12-31 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650392.0A CN109788375A (en) | 2018-12-31 | 2018-12-31 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109788375A true CN109788375A (en) | 2019-05-21 |
Family
ID=66499711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811650392.0A Pending CN109788375A (en) | 2018-12-31 | 2018-12-31 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109788375A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031477A1 (en) * | 2019-08-20 | 2021-02-25 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
| WO2021253539A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2021253538A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
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| CN108989944A (en) * | 2018-08-03 | 2018-12-11 | 瑞声光电科技(常州)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 |
| WO2018131808A1 (en) * | 2017-01-16 | 2018-07-19 | 주식회사 이어브릿지 | High-quality electromagnetic speaker having improved accuracy of air gap |
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| WO2021253539A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2021253538A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190521 |