CN110267179A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN110267179A CN110267179A CN201910638591.8A CN201910638591A CN110267179A CN 110267179 A CN110267179 A CN 110267179A CN 201910638591 A CN201910638591 A CN 201910638591A CN 110267179 A CN110267179 A CN 110267179A
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- groove
- back cavity
- upper cover
- loudspeaker
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention provides a kind of loudspeaker enclosures.The loudspeaker enclosure includes upper casing, the lower casing of accommodating space is formed with the top shells fit and is contained in the loudspeaker monomer of the accommodating space, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding and the upper cover that is set between the vibrating diaphragm and the upper casing, the upper casing, the upper cover and the vibrating diaphragm form the preceding operatic tunes, the lower casing, the upper casing, the upper cover and the vibrating diaphragm cooperatively form back cavity, the back cavity includes the first back cavity being set in the loudspeaker monomer and the second back cavity for being connected to outside the loudspeaker monomer and with first back cavity, the upper cover includes that the table from the upper cover close to the vibrating diaphragm side is recessed the groove to be formed away from the vibrating diaphragm direction, the groove is connected to the preceding operatic tunes and second back cavity.Compared with the relevant technologies, the reliability of loudspeaker enclosure provided by the invention is more preferably.
Description
[technical field]
The present invention relates to acoustic-electric conversion art more particularly to a kind of loudspeaker enclosures.
[background technique]
With the fast development of science and technology, the popularity rate of audio frequency apparatus is higher and higher, high in numerous recreation and amusement modes
The music enjoyment of quality is slowly popularized in crowd, and therefore, the loudspeaker enclosure for playing audio is widely applied intelligence till now
In mobile device.
Loudspeaker enclosure in the related technology includes upper casing, forms the lower casing of accommodating space with the top shells fit and be contained in
The loudspeaker monomer of the accommodating space, the loudspeaker monomer include the vibrating diaphragm for vibration sounding and are set to the vibration
Upper cover between film and the upper casing, the upper casing, the upper cover and the vibrating diaphragm form the preceding operatic tunes, the lower casing, it is described on
Shell, the upper cover and the vibrating diaphragm cooperatively form back cavity, the back cavity include be set in the loudspeaker monomer first after
Chamber and the second back cavity being connected to outside the loudspeaker monomer and with first back cavity.
However the back cavity of loudspeaker enclosure in the related technology is closed, in wearing class equipment or mobile phone, works as loudspeaker
When monomer is powered on, since heating cause increases the back cavity temperature, lead to the intracorporal pressure increase of back cavity chamber,
To oppress the vibrating diaphragm of the loudspeaker monomer, the operatic tunes is mobile forward, and the sound of the loudspeaker enclosure is made to become smaller or noiseless.
Therefore, it is necessary to provide a kind of improved loudspeaker enclosure to solve the above problems.
[summary of the invention]
When working for loudspeaker enclosure in the related technology, due to fever so that back cavity temperature increases, lead to back cavity cavity
Interior pressure increase forces vibrating diaphragm mobile to ante-chamber, so that the sound of loudspeaker enclosure is become smaller or noiseless, influences loudspeaker enclosure reliability
The technical issues of, the present invention provides a kind of reliability more preferably loudspeaker enclosures.
A kind of loudspeaker enclosure forms the lower casing of accommodating space including upper casing, with the top shells fit and is contained in the receipts
Hold the loudspeaker monomer in space, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding and is set to the vibrating diaphragm and institute
State the upper cover between upper casing, the upper casing, the upper cover and the vibrating diaphragm form the preceding operatic tunes, the lower casing, the upper casing, described
Upper cover and the vibrating diaphragm cooperatively form back cavity, and the back cavity includes the first back cavity being set in the loudspeaker monomer and position
In the second back cavity being connected to outside the loudspeaker monomer and with first back cavity, the upper cover includes from the upper cover close to institute
The table of vibrating diaphragm side is stated to be recessed the groove to be formed away from the vibrating diaphragm direction, the groove be connected to the preceding operatic tunes with it is described
Second back cavity.
Preferably, the upper cover includes medial surface and the lateral surface opposite with the medial surface, and the groove is in described interior
Side forms the first opening, Yu Suoshu lateral surface forms the second opening, and the loudspeaker enclosure further includes fixing to connect with the upper cover
The groove is completely covered in the air-permeable member connect, the air-permeable member.
Preferably, the air-permeable member is waterproof ventilated membrane.
Preferably, the loudspeaker monomer further includes the frame being fixedly connected with the upper cover, is offered in the frame
Leak is connected to first back cavity and second back cavity.
Preferably, the upper cover includes roof and bends the side extended from the roof periphery to the close frame direction
Wall, the groove are set to the side wall, and the medial surface and the lateral surface are respectively positioned on the side wall.
Preferably, the side wall includes close to the lower surface of the vibrating diaphragm side, and the medial surface and the lateral surface are equal
It is extended to form from the following table towards roof direction bending, the groove is from the following table away from the vibrating diaphragm direction
Recess is formed, and the groove is arranged towards the lateral surface direction through the side wall from the inside.
Preferably, the groove includes the groove bottom of the separate lower surface side and bending is prolonged from the groove bottom both ends
The two slot sides stretched and connect with the lower surface, the groove bottom are parallel to each other with the lower surface, the slot side and institute
Lower surface is stated to be mutually perpendicular to.
Preferably, the air-permeable member includes being fixed on the first part of the lateral surface and from the close of the first part
Described vibrating diaphragm one end bends the second part extended to form, the second part be located in the lower surface and the vibrating diaphragm it
Between.
Preferably, the vibrating diaphragm includes centrally located top dome portion, around the ring portion of top dome portion setting and from institute
The fixed part extended to form far from the ball top side in ring portion is stated, the fixed part is located in the second part and institute
It states between frame.
Preferably, the lower surface include two parallel intervals setting long axis while and connection two long axis while two short axles
Side, the groove are equipped at intervals with four, each long axis while and when each short axle on be equipped with the groove.
Compared with the relevant technologies, loudspeaker enclosure provided by the invention on upper lid by opening up groove, and the groove connects
The operatic tunes and the second back cavity, are powered on adstante febre in the loudspeaker monomer, the groove can balance the preceding operatic tunes before logical
With the air pressure of back cavity so that the preceding operatic tunes with it is described after cavity pressure it is balanced, be not in that loudspeaker enclosure sound becomes smaller or noiseless
The phenomenon that, to increase the stability of the loudspeaker enclosure.
[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 decomposition texture schematic diagram of loudspeaker enclosure shown in Fig. 1；
Fig. 3 is the cross-sectional view along III-III shown in Fig. 1；
Fig. 4 is the structural schematic diagram of another angle of loudspeaker monomer shown in Fig. 2；
Fig. 5 is the cross-sectional view along V-V shown in Fig. 4；
Fig. 6 is the structural schematic diagram of another angle of upper cover shown in Fig. 2；
Fig. 7 is the partial enlarged view in the region VII shown in Fig. 3.
[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.
It please gather refering to fig. 1 to Fig. 3.The present invention provides a kind of loudspeaker enclosures 100 comprising upper casing 10, with it is described on
Shell 10 cooperatively forms the lower casing 20 of accommodating space, the loudspeaker monomer 30 being contained in the accommodating space and is fixed on described raise
Air-permeable member 40 on sound device monomer 30.
The loudspeaker monomer 30 includes frame 31, the magnetic circuit system 32 being contained in the frame 31 and vibrational system 33
And lid connects the upper cover 34 for being fixed on the frame 31.The magnetic circuit system 32 is for driving the vibration of vibrational system 33 hair
Sound, the upper cover 34 are fixedly connected with the upper casing 10, specifically, the upper cover 34 is glued by glue-line 50 and the upper casing 10
It is fixed.
The vibrational system 33 includes the vibrating diaphragm 331 for vibration sounding, the upper cover 34 be set to the vibrating diaphragm 331 with
Between the upper casing 10.The operatic tunes 60 before the upper casing 10, the upper cover 34 and the vibrating diaphragm 331 are formed, it is the lower casing 20, described
Upper casing 10, the upper cover 34 and the vibrating diaphragm 331 cooperatively form back cavity 70.Acoustic aperture 11 is offered out on the upper casing 10, it is described
Acoustic aperture 11 is connected to form ante-chamber 80 with the preceding operatic tunes 60 out, and the ante-chamber 80 is used for sounding, and the back cavity 70 is for improving institute
State the frequency acoustic performance of loudspeaker enclosure 100.The back cavity 70 includes the first back cavity being set in the loudspeaker monomer 30
71 and the second back cavity 72 that is outer positioned at the loudspeaker monomer 30 and being connected to first back cavity 71.
It should be noted that in the present embodiment, the lower casing 20 is tabular and lid is connected to the upper casing 10 and surrounds institute
State back cavity 70.Certainly, in other embodiments, the lower casing 20 can be in arbitrary shape structure, and such as upper casing 10 is open
Structure, the lower casing 20 can be the shell of mobile phone, and the shell and the vibrating diaphragm 331 of the upper casing 10 and mobile phone cooperatively form jointly
The back cavity 70, so as to effectively improve the volume of the back cavity 70.
Please refer to Fig. 4 and Fig. 5.Leak 311 is offered in the frame 31, the leak 311 is connected to described
First back cavity 71 and second back cavity 72.Specifically, in the present embodiment, the leak 311 is by the frame 31 and institute
Magnetic circuit system 32 is stated to surround jointly.Certainly, in other embodiments, the leak 311 can directly be set through the frame 31
It sets.
Please continue to refer to Fig. 2.The vibrating diaphragm 331 includes centrally located top dome portion 3311, around the top dome portion 3311
The ring portion 3312 of setting and the fixed part extended to form from separate 3311 side of top dome portion in the ring portion 3312
3313, the fixed part 3313 is fixed in the frame 31.
Please refer to Fig. 6 and Fig. 7.The upper cover 34 includes roof 3411, from 3411 periphery of roof to close to institute
State 31 direction of frame bending extend sidewall 34 12 and from the upper cover 34 close to 331 side of vibrating diaphragm table away from institute
It states 331 direction of vibrating diaphragm to be recessed the groove 342 to be formed, the groove 342 is set to the sidewall 34 12, and the groove 342 is connected to
The preceding operatic tunes 60 and second back cavity 72.Adstante febre is powered in the loudspeaker monomer 30, and the groove 342 can be with
The air pressure of the preceding operatic tunes 60 and the back cavity 70 is balanced, so that the preceding operatic tunes 60 is balanced with 70 pressure of back cavity, it will not
It is mobile to the preceding operatic tunes 60 to there is the vibrating diaphragm 331, the sound of the loudspeaker enclosure 100 is made to become smaller or the hair of noiseless situation
It is raw.
The sidewall 34 12 includes close to the lower surface 3413 of 331 side of vibrating diaphragm and from 3413 both ends of lower surface
To the medial surface 3414 and lateral surface 3415 extended to form is bent close to 3411 direction of roof, the groove 342 is described in
Lower surface 3413 is recessed and to be formed to far from 331 direction of vibrating diaphragm, and the groove 342 is from the medial surface 3414 to described outer
3415 direction of side is arranged through the sidewall 34 12.The groove 342 forms the first opening 343 in the medial surface 3414,
The groove 342 in the lateral surface 3415 formed second opening 344, the air-permeable member 40 cover it is described first opening 343 or
Second opening 344, in the present embodiment, the air-permeable member 40 cover second opening 344.
The lower surface 3413 includes the long axis of two parallel intervals setting at 3416 and two long axis of connection 3416
Two short axle sides 3417, two long axis 3417 surround rectangular shape at 3416 and two short axles jointly.
The groove 342 includes groove bottom 3421 far from 3413 side of lower surface and from the groove bottom 3421
Both ends bend the two slot sides 3422 for extending and connecting with the lower surface 3413, the groove bottom 3421 and the following table respectively
Face 3413 is parallel to each other, and the slot side 3422 is mutually perpendicular to the lower surface 3413, described in the groove bottom 3421 and two
Slot side 3422 surrounds rectangular configuration jointly, alleviates manufacture difficulty, and also more air-flows can be allowed to pass through, better Balance Air
Pressure.
The groove 342 is equipped with one or more, and in the present embodiment, the groove 342 is equipped at intervals with four, and each
The long axis at 3416 and each short axle 3417 on be equipped with the groove 342.It is described recessed by setting four
Slot 342 can quickly balance the air pressure between the preceding operatic tunes 60 and the back cavity 70, while each long axis side 3416
With the groove 342 is respectively provided on each short axle side 3417, can effectively balance 60 area Zhong Ge of the preceding operatic tunes
The loudspeaker enclosure is effectively guaranteed so that the air pressure in each region is not in increase sharply in the preceding operatic tunes 60 in the air pressure in domain
100 reliability.
The air-permeable member 40 is fixedly connected with the upper cover 34, and the groove 342 is completely covered in the air-permeable member 40.It is logical
It crosses and the air-permeable member 40 is set the groove 342 is completely covered, can prevent foreign matter from entering the loudspeaker monomer 30 ensure that
The vocal performance of the loudspeaker enclosure 100, and the permeability of the groove 342 will not be influenced.
Preferably, the air-permeable member 40 is waterproof ventilated membrane, is also equipped with waterproof effect while stopping foreign matter, improves
The waterproof performance of the loudspeaker monomer 30 has more applications so that the reliability of the loudspeaker enclosure 100 is more preferably
Possibility.
The air-permeable member 40 is arranged around the sidewall 34 12, specifically, the air-permeable member 40 includes being fixed on outside described
The first part 41 of side 3415 and extended to form from the first part 41 close to 331 side of vibrating diaphragm bending second
Part 42, the second part 42 are located between the lower surface 3413 and the fixed part 3313, the fixed part 3313
It is located between the second part 42 and the frame 31.By setting first part 41 and the second part 42 respectively and
The lateral surface 3415 is fixedly connected with the lower surface 3413, improves the company between the air-permeable member 40 and the upper cover 34
Stability is connect, so that being less likely to occur to isolate and fall off between the air-permeable member 40 and the upper cover 34.
Compared with the relevant technologies, loudspeaker enclosure provided by the invention on upper lid by opening up groove, and the groove connects
The operatic tunes and the second back cavity, are powered on adstante febre in the loudspeaker monomer, the groove can balance the preceding operatic tunes before logical
With the air pressure of back cavity so that the preceding operatic tunes with it is described after cavity pressure it is balanced, be not in that loudspeaker enclosure sound becomes smaller or noiseless
The phenomenon that, to increase the stability of the loudspeaker enclosure.
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 (10)
1. a kind of loudspeaker enclosure forms the lower casing of accommodating space including upper casing, with the top shells fit and is contained in the receiving
The loudspeaker monomer in space, the loudspeaker monomer include the vibrating diaphragm for vibration sounding and be set to the vibrating diaphragm with it is described
Upper cover between upper casing, the upper casing, the upper cover and the vibrating diaphragm form the preceding operatic tunes, the lower casing, the upper casing, it is described on
Lid and the vibrating diaphragm cooperatively form back cavity, and the back cavity includes the first back cavity being set in the loudspeaker monomer and is located at
The second back cavity being connected to outside the loudspeaker monomer and with first back cavity, which is characterized in that the upper cover includes described in
Table of the upper cover close to the vibrating diaphragm side is recessed the groove to be formed away from the vibrating diaphragm direction, before the groove connection is described
The operatic tunes and second back cavity.
2. loudspeaker enclosure according to claim 1, which is characterized in that the upper cover include medial surface and with the medial surface
Opposite lateral surface, the groove forms the first opening in the medial surface, Yu Suoshu lateral surface forms the second opening, described to raise
Sound device case further includes the air-permeable member being fixedly connected with the upper cover, and the air-permeable member covering described first is open or described second opens
Mouthful.
3. loudspeaker enclosure according to claim 2, which is characterized in that the air-permeable member is waterproof ventilated membrane.
4. loudspeaker enclosure according to claim 2, which is characterized in that the loudspeaker monomer further includes solid with the upper cover
Surely the frame connected offers the leak for being connected to first back cavity and second back cavity in the frame.
5. loudspeaker enclosure according to claim 4, which is characterized in that the upper cover includes roof and from the roof periphery
To the side wall extended close to frame direction bending, the groove is set to the side wall, the medial surface and the lateral surface
It is respectively positioned on the side wall.
6. loudspeaker enclosure according to claim 5, which is characterized in that the side wall includes under the vibrating diaphragm side
Surface, the medial surface are extended to form from the following table towards roof direction bending with the lateral surface, the groove
Be recessed to be formed away from the vibrating diaphragm direction from the following table, and the groove from the inside towards the lateral surface direction
It is arranged through the side wall.
7. loudspeaker enclosure according to claim 6, which is characterized in that the groove includes far from the lower surface side
Groove bottom and bending from the groove bottom both ends extends and the two slot sides that connect with the lower surface, the groove bottom with it is described
Lower surface is parallel to each other, and the slot side is mutually perpendicular to the lower surface.
8. loudspeaker enclosure according to claim 6, which is characterized in that the air-permeable member includes being fixed on the lateral surface
First part and the second part extended to form from close described vibrating diaphragm one end bending of the first part, the second part
It is located between the lower surface and the vibrating diaphragm.
9. loudspeaker enclosure according to claim 8, which is characterized in that the vibrating diaphragm includes centrally located top dome portion, ring
Ring portion around top dome portion setting and the fixed part extended to form far from the ball top side from the ring portion, institute
Fixed part is stated to be located between the second part and the frame.
10. loudspeaker enclosure according to claim 6, which is characterized in that the lower surface includes what two parallel intervals were arranged
Long axis while and two short axle sides when two long axis of connection, the groove be equipped at intervals with four, each long axis side and each
The groove is equipped on the short axle side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638591.8A CN110267179A (en) | 2019-07-16 | 2019-07-16 | Loudspeaker enclosure |
| PCT/CN2019/096302 WO2021007799A1 (en) | 2019-07-16 | 2019-07-17 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638591.8A CN110267179A (en) | 2019-07-16 | 2019-07-16 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110267179A true CN110267179A (en) | 2019-09-20 |
Family
ID=67926356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910638591.8A Pending CN110267179A (en) | 2019-07-16 | 2019-07-16 | Loudspeaker enclosure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110267179A (en) |
| WO (1) | WO2021007799A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253535A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2021253536A1 (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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| WO2021253535A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2021253536A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021007799A1 (en) | 2021-01-21 |
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Application publication date: 20190920 |
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