CN110381426A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN110381426A CN110381426A CN201910627055.8A CN201910627055A CN110381426A CN 110381426 A CN110381426 A CN 110381426A CN 201910627055 A CN201910627055 A CN 201910627055A CN 110381426 A CN110381426 A CN 110381426A
- Authority
- CN
- China
- Prior art keywords
- back cavity
- upper cover
- loudspeaker
- vibrating diaphragm
- hole
- 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.)
- Granted
Links
- 239000000178 monomer Substances 0.000 claims abstract description 24
- 241000237983 Trochidae Species 0.000 claims abstract description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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
Abstract
The present invention provides a kind of loudspeaker enclosures, including 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, 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 loudspeaker monomer and with first back cavity, the upper cover offers the through hole for being connected to the preceding operatic tunes and second back cavity.Compared with the relevant technologies, the preceding operatic tunes and the air pressure balance in back cavity, acoustical behavior are good in loudspeaker enclosure provided by the invention.
Description
[technical field]
The present invention relates to acoustic-electric conversion art more particularly to a kind of loudspeaker enclosures.
[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.
In the related technology, loudspeaker enclosure includes upper cover, frame, vibrational system and magnetic circuit system, and vibrational system includes vibrating diaphragm,
Upper cover and vibrating diaphragm interval form ante-chamber, and vibrating diaphragm, frame and magnetic circuit system cooperatively form back cavity, the back cavity closing, in wearing class
In equipment or mobile phone, when loudspeaker enclosure is powered on, since heating cause increases back cavity temperature, lead to back cavity cavity internal pressure
Power increases, to oppress loudspeaker enclosure vibrating diaphragm, the operatic tunes is mobile forward, weakens the vibratory output of vibrating diaphragm, loudspeaker enclosure sound is made to become smaller
Or it is noiseless.
Therefore, it is really necessary to provide the new loudspeaker enclosure of one kind to solve the above problems.
[summary of the invention]
The purpose of the present invention is to provide the loudspeaker enclosures that one kind can balance ante-chamber Yu back cavity air pressure.
The present invention provides a kind of loudspeaker enclosure, and the lower casing and receipts of accommodating space are formed including upper casing, with the top shells fit
It is dissolved in the loudspeaker monomer of the accommodating space, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding and is set to institute
State the upper cover between vibrating diaphragm and the upper casing, the upper casing, 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 loudspeaker monomer and with first back cavity, the upper cover offer connection it is described before
The through hole of the operatic tunes and second back cavity.
Preferably, the loudspeaker monomer further includes the air-permeable member being fixedly connected with the upper cover, and the air-permeable member is complete
Cover the through hole.
Preferably, the air-permeable member is breathable waterproof membrane.
Preferably, the loudspeaker monomer further includes the frame being fixedly connected with the upper cover, and the frame, which offers, lets out
Leak hole, the leak are connected to first back cavity and second back cavity.
Preferably, the upper cover includes with the roof of vibrating diaphragm parallel interval setting and from the edge of the roof to close
The side wall that the frame direction extends, the side wall are fixedly connected with the frame, and the edge of the vibrating diaphragm is located in the side
Between wall and the frame, the through hole is set to the side wall.
Preferably, the side wall includes the inner surface of the close accommodating space and is oppositely arranged with the inner surface
Outer surface, the outer surface to close to the inner surface direction be recessed to be formed it is fluted, the through hole with it is described
Groove connection.
Preferably, the air-permeable member is contained in the groove, and the thickness of the air-permeable member is less than or equal to the groove
Depth.
Preferably, the air-permeable member includes the fixed part of two parallel intervals setting and the company for connecting two fixed parts
Socket part, the fixed part and the interconnecting piece are integrally formed, and the fixed part is fixedly connected with the side wall, the interconnecting piece and
The fixed part cooperatively forms a notch, and the notch and the through hole face are arranged.
Preferably, the quantity of the through hole is multiple, and multiple through holes are successively spaced setting.
Compared with the relevant technologies, in loudspeaker enclosure provided by the invention, the upper lid, which is equipped with, is connected to the preceding operatic tunes and second
The through hole of back cavity, the frame is equipped with the leak for being connected to first back cavity and second back cavity, so that the preceding sound
Chamber, second back cavity and first back cavity are sequentially communicated, and the preceding operatic tunes is protected with the air pressure in the back cavity
It holds and the gas expansion in the back cavity is avoided to squeeze the vibrating diaphragm movement in equilibrium state, ensure that the vibratory output of the vibrating diaphragm,
The acoustical behavior of loudspeaker enclosure is improved, meanwhile, the through hole 13 is completely covered in the air-permeable member, can increase the loudspeaking
The waterproof performance of device case.
[Detailed description of the invention]
Fig. 1 is the schematic perspective view of loudspeaker enclosure provided by the invention；
Fig. 2 is the decomposition texture schematic diagram of loudspeaker enclosure shown in FIG. 1；
Fig. 3 is the enlarged drawing in the region III shown in Fig. 2；
Fig. 4 is another angle schematic diagram of upper cover shown in Fig. 2；
Fig. 5 is cross-sectional view of the loudspeaker enclosure shown in FIG. 1 along V-V line；
Fig. 6 is cross-sectional view of the loudspeaker enclosure shown in FIG. 1 along line VI -- VI.
[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 described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Please refer to Fig. 1-6, the present invention provides a kind of loudspeaker enclosure 100, the loudspeaker enclosure 100 include upper casing 10,
The lower casing 20 of accommodating space is cooperatively formed with the upper casing 10 and is contained in the loudspeaker monomer 30 of the accommodating space.
The upper casing 10 includes top plate 101, the side that bending extends from the edge of the top plate 101 to 20 direction of lower casing
Plate 102 and the support plate 103 extended from the intermediate region of the top plate 101 to close 30 direction of loudspeaker monomer.Institute
It states the correspondence of lower casing 20 and is covered on the side plate 102, the loudspeaker monomer 30 is connected in the support plate 103.
The top plate 101 offers the outlet sound mouth 1010 being in communication with the outside, and 30 vibration sounding of loudspeaker monomer is described
Outlet sound mouth 1010 is used for sound conduction to the external world.
The sounding monomer 30 includes upper cover 1, the frame 2 being fixedly connected with the upper cover 1 and is located in the upper cover 1
With the vibrating diaphragm 3 between the frame 2.The upper cover 1 is located between the vibrating diaphragm 3 and the upper casing 10, the upper casing 10, institute
It states upper cover 1 and the vibrating diaphragm 3 forms the preceding operatic tunes 40, the lower casing 20, the upper casing 10, the upper cover 1 and the vibrating diaphragm 3 cooperate
Form back cavity 50, what the upper cover 1 was also provided with the connection preceding operatic tunes 40 and the outlet sound mouth 1010 leads sound channel 60, described
The preceding operatic tunes 40 and the sound channel 60 of leading collectively constitute ante-chamber 70.Further, the back cavity 50 includes being set to the loudspeaking
The first back cavity 51 in device monomer 30 and it is outer positioned at the loudspeaker monomer 30 and be connected to first back cavity 51 second
Back cavity 52.
The upper cover 1 is fixedly connected with the upper casing 10 by glue-line 90, specifically, the glue-line 90 is in rectangular ring,
It is set between the top plate 101 and the upper cover 1.
The upper cover 1 include with 3 parallel interval of vibrating diaphragm setting roof 11 and from the edge of the roof 11 to
The side wall 12 extended close to 2 direction of frame, further, the upper cover 1 are also provided with the connection preceding operatic tunes 40 and institute
State the through hole 13 of the second back cavity 52.
The side wall 12 is fixedly connected with the frame 2, and the edge of the vibrating diaphragm 3 is located in the side wall 12 and the basin
Between frame 2 so that the vibrating diaphragm 3 connect it is firm, it is not easily to fall off.
The side wall 12 include close to the accommodating space 10 inner surface 121 and with 121 phase of inner surface
To the outer surface 122 of setting, the outer surface 122 to close to 121 direction of inner surface be recessed to be formed it is fluted
120, the through hole 13 is connected to the groove 120.
The quantity of the through hole 13 can be one, or it is multiple, when the quantity of the through hole 13 is multiple
When, multiple through holes 13 are successively spaced setting.The through hole 13 can be set in the long side of the side wall 12, can also
To be arranged on the short side of the side wall 12, can also be arranged in simultaneously in the long side and short side of the side wall 12, the present invention is to this
With no restrictions.
The vertical sectional shape of the through hole 13 can be round, rectangular, triangle or other irregular shapes, no
The conduction property of the through hole 13 is influenced, the present invention is without limitation.
Further, the frame 2 offers leak 21, the leak 21 be connected to first back cavity 51 with it is described
Second back cavity 52 reduces high frequency noise for balancing the air pressure in first back cavity 51 and second back cavity 52.
The loudspeaker monomer 30 further includes the air-permeable member 4 being fixedly connected with the upper cover 1, and the air-permeable member 4 is covered completely
Cover the through hole 13.Specifically, the air-permeable member 4 is fixedly connected with the side wall 12, and it is contained in the groove 120 completely
Interior, the thickness of the air-permeable member 4 is less than or equal to the depth of the groove 120, so that after the air-permeable member 4 is installed, institute
The outer surface 122 will not be protruded by stating one side of the air-permeable member 4 far from the accommodating space, not influence the loudspeaker enclosure 100
With the assembly of other devices.Preferably, the air-permeable member is breathable waterproof membrane, it is ensured that the smooth circulation of gas, while can be with
Play waterproof action.
Further, the air-permeable member 4 includes two fixations of fixed part 41 and connection of two parallel intervals setting
The interconnecting piece 42 in portion 41, the fixed part 41 and the interconnecting piece 42 are integrally formed, and the fixed part 41 and the side wall 12 are solid
Fixed connection, the interconnecting piece 42 cooperatively form a notch 43 with the fixed part 41, and the notch 43 and the through hole 13 are just
To setting, the through hole 13 is fallen completely within to the projection in 4 direction of air-permeable member in the range of the interconnecting piece 42.It can manage
Solution, the setting of the notch 43 can increase so that the thickness of the interconnecting piece 42 is less than the thickness of the fixed part 41
The permeability of the air-permeable member 4.
In 100 use process of loudspeaker enclosure, since temperature raises, temperature is increased in second back cavity 52, air
Expanded by heating causes in second back cavity 52 and first back cavity 51 pressure to increase, and the through hole 13 is connected to described the
Two back cavities 52 and the preceding operatic tunes 40, the leak 21 are connected to first back cavity 51 and second back cavity 52, Ke Yiping
Weigh the pressure difference of the preceding operatic tunes 40 and the back cavity 50, and the vibrating diaphragm 3 gas urges in second back cavity 52 is avoided to move down
It is dynamic, it ensure that the vibratory output of the vibrating diaphragm 3, improve the acoustical behavior of the loudspeaker enclosure 100.
Compared with the relevant technologies, in loudspeaker enclosure 100 provided by the invention, the upper cover 1, which is equipped with, is connected to the preceding operatic tunes 40
With the through hole 13 of the second back cavity 52, the frame 2 is equipped with the leakage for being connected to first back cavity 51 and second back cavity 52
Hole 21, so that the preceding operatic tunes 40, second back cavity 52 and first back cavity 51 are sequentially communicated, so that the preceding operatic tunes 40
It may remain in equilibrium state with the air pressure in the back cavity 50, the gas expansion in the back cavity 50 avoided to squeeze the vibrating diaphragm
3 is mobile, ensure that the vibratory output of the vibrating diaphragm 3, improves the acoustical behavior of loudspeaker enclosure 100, meanwhile, the air-permeable member 4 is complete
Through hole 13 described in all standing can increase the waterproof performance of the loudspeaker enclosure 100.
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 (9)
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, 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 forms back cavity, and the back cavity includes the first back cavity being set in the loudspeaker monomer and is located at loudspeaking
The second back cavity being connected to outside device monomer and with first back cavity, which is characterized in that the upper cover offers the connection preceding sound
The through hole of chamber and second back cavity.
2. loudspeaker enclosure according to claim 1, which is characterized in that the loudspeaker monomer further includes solid with the upper cover
Surely the through hole is completely covered in the air-permeable member connected, the air-permeable member.
3. loudspeaker enclosure according to claim 2, which is characterized in that the air-permeable member is breathable waterproof 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, the frame offer leak, and the leak is connected to first back cavity and second back cavity.
5. loudspeaker enclosure according to claim 4, which is characterized in that the upper cover includes being arranged with vibrating diaphragm parallel interval
Roof and the side wall extended from the edge of the roof to the close frame direction, the side wall and the fixed company of the frame
It connects, the edge of the vibrating diaphragm is located between the side wall and the frame, and the through hole is set to the side wall.
6. loudspeaker enclosure according to claim 5, which is characterized in that the side wall includes close to the interior of the accommodating space
Side surface and the outer surface being oppositely arranged with the inner surface, the outer surface are recessed to the close inner surface direction
Falling into forms fluted, and the through hole is connected to the groove.
7. loudspeaker enclosure according to claim 6, which is characterized in that the air-permeable member is contained in the groove, and described
The thickness of air-permeable member is less than or equal to the depth of the groove.
8. loudspeaker enclosure according to claim 7, which is characterized in that the air-permeable member includes consolidating for two parallel intervals setting
Determine portion and connect the interconnecting piece of two fixed parts, the fixed part and the interconnecting piece are integrally formed, the fixed part
It is fixedly connected with the side wall, the interconnecting piece and the fixed part cooperatively form a notch, the notch and the through hole
Face setting.
9. loudspeaker enclosure according to claim 1, which is characterized in that the quantity of the through hole be it is multiple, it is multiple described
Through hole is successively spaced setting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627055.8A CN110381426B (en) | 2019-07-11 | 2019-07-11 | Loudspeaker box |
| PCT/CN2019/095755 WO2021003754A1 (en) | 2019-07-11 | 2019-07-12 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627055.8A CN110381426B (en) | 2019-07-11 | 2019-07-11 | Loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110381426A true CN110381426A (en) | 2019-10-25 |
| CN110381426B CN110381426B (en) | 2021-08-31 |
Family
ID=68252751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910627055.8A Active CN110381426B (en) | 2019-07-11 | 2019-07-11 | Loudspeaker box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110381426B (en) |
| WO (1) | WO2021003754A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111065021A (en) * | 2019-12-06 | 2020-04-24 | 瑞声科技(新加坡)有限公司 | Sound production device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157786B (en) * | 2021-11-29 | 2023-09-29 | 杭州海康威视数字技术股份有限公司 | Video camera |
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| CN111065021B (en) * | 2019-12-06 | 2021-09-10 | 瑞声科技(新加坡)有限公司 | Sound production device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110381426B (en) | 2021-08-31 |
| WO2021003754A1 (en) | 2021-01-14 |
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Effective date of registration: 20231014 Address after: 213000 No.3, Changcao Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: AAC MICROTECH (CHANGZHOU) Co.,Ltd. Patentee after: Jiangsu Jicui Zhongyi Technology Industry Development Co.,Ltd. Address before: 213167 No.3, Changcao Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee before: AAC MICROTECH (CHANGZHOU) Co.,Ltd. |
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