CN106101955B - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN106101955B CN106101955B CN201610573812.4A CN201610573812A CN106101955B CN 106101955 B CN106101955 B CN 106101955B CN 201610573812 A CN201610573812 A CN 201610573812A CN 106101955 B CN106101955 B CN 106101955B
- Authority
- CN
- China
- Prior art keywords
- channel
- opening
- loudspeaker
- loudspeaker enclosure
- shell
- 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.)
- Expired - Fee Related
Links
- 239000000178 monomer Substances 0.000 claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 150000003503 terephthalic acid derivatives Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 description 8
- 238000013016 damping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 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
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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, including shell, it is contained in the intracorporal loudspeaker monomer of the shell and is opened in the leakage structure of the shell, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding, the vibrating diaphragm and the shell interval are arranged to form the preceding operatic tunes, the loudspeaker enclosure further includes being connected to the preceding operatic tunes and extraneous to lead sound channel, the preceding operatic tunes and the sound channel of leading collectively form ante-chamber, the shell includes surrounding the inner surface to form the ante-chamber jointly with the loudspeaker monomer, the upper surface that is oppositely arranged with the inner surface and the side surface for connecting the upper surface and the inner surface, the leakage structure includes being set to the first opening of the inner surface, it is set to the second opening of the side surface and is connected to the leakage channel of first opening and second opening.The loudspeaker enclosure output sound quality of offer of the invention is high and manufacture craft is simple.
Description
[technical field]
The present invention relates to a kind of 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, and requirement of the people to audio frequency apparatus is not only
It is only limitted to the broadcasting of video/audio, more requires to propose more require to the reliability of audio frequency apparatus.The especially arrival in 4G epoch,
Technology of Mobile Multimedia also develops therewith, and many audio frequency apparatuses have a variety of amusement functions, such as video playing, digital vedio recording, trip
Play, GPS navigation etc. require that the electronic component in audio frequency apparatus is originally more accurate and compact, and still, electronic component is got over
More, the reliability of audio frequency apparatus is poorer.
And in audio frequency apparatus, loudspeaker enclosure is exactly a kind of common electronic component.The loudspeaker enclosure of the relevant technologies goes out
When sound mouth has larger resistance or leads sound channel and have larger damping, the intermediate frequency sound wave distortion of loudspeaker enclosure can be very high, seriously affects
The sound quality that loudspeaker enclosure issues.Further, since the ante-chamber resonance of loudspeaker enclosure, which can amplify radio-frequency component, generates high-frequency noise, equally
Also it will affect the sound quality of the sound of loudspeaker enclosure sending.
Therefore, it is necessary to provide the new loudspeaker enclosure of one kind to solve the above problems.
[summary of the invention]
The high and simple loudspeaker enclosure of manufacture craft the purpose of the present invention is to provide a kind of output sound quality.
Technical scheme is as follows: a kind of loudspeaker enclosure, including shell, is contained in the intracorporal loudspeaker list of the shell
Body and the leakage structure for being opened in the shell, the loudspeaker monomer include the vibrating diaphragm for vibration sounding, the vibrating diaphragm with
The shell interval is arranged to form the preceding operatic tunes, and the loudspeaker enclosure further includes being connected to the preceding operatic tunes and extraneous to lead sound channel,
The preceding operatic tunes and the sound channel of leading collectively form ante-chamber, and the shell includes surrounding to be formed jointly with the loudspeaker monomer
The inner surface of the ante-chamber, the upper surface being oppositely arranged with the inner surface and the side for connecting the upper surface and the inner surface
Surface, it is described leakage structure include be set to the inner surface first opening, be set to the side surface second opening with
And the leakage channel of connection first opening and second opening.
Preferably, the shell includes roof and the side wall from roof extension, and the sound channel of leading is through the side
Wall.
Preferably, the inner surface include be set to loudspeaker monomer described in the roof and face the first inner surface and
Around the second inner surface for leading sound channel described in formation, the side surface includes being set to roof and leading sound channel far from described
First side surface, first opening are set to first inner surface, and second opening is set to first side surface.
Preferably, the shell is equipped with the groove to be formed that is recessed from the upper surface to first inner surface, described recessed
Slot includes slot bottom, the leakage channel include through the slot bottom and be connected to first opening first passage, from the slot bottom to
First inner surface is recessed to form and be connected to the first passage and extraneous second channel and group assigned in the groove
And cover the cover board of the first passage and the second channel.
Preferably, the cover board is in same plane backwards to the surface of the loudspeaker monomer side and the upper surface.
Preferably, the first passage is circular channel, and the second channel is rectangular channel.
Preferably, the width of the second channel is less than the diameter of the first passage.
Preferably, the cover board is made of poly terephthalic acid class plastics
The beneficial effects of the present invention are: increase the leakage structure for ante-chamber to be in communication with the outside in the housing with broken
The integrality of the bad ante-chamber volume, reduces the ante-chamber to the amplification of radio-frequency component and high-frequency noise, slows down simultaneously
Air pressure level in the ante-chamber reduces the ante-chamber internal cause air non-thread when outlet sound mouth has larger resistance or damping
Property and cause the sound of output the amplitude fluctuated occur, improve the stability of the sound of loudspeaker enclosure output；Pass through
One channel, second channel and cover board cooperatively form leakage channel and open up leakage channel instead of shell itself, reduce adding for shell
Work difficulty；The leakage structure has larger damping, has preferable effect to the higher hamonic wave absorbed in sound, and therefore drop
The low limitation to opening size, simplifies the manufacture craft of the loudspeaker enclosure；The width of the second channel is arranged to
Less than the diameter of the first passage, causes air to be only capable of circulating in the narrow leakage channel, further improve institute
The acoustic resistance for stating leakage structure, makes the loudspeaker enclosure obtain more preferably acoustical behavior.
[Detailed description of the invention]
Fig. 1 is the perspective view of loudspeaker enclosure of the present invention；
Fig. 2 is the stereochemical structure exploded view of loudspeaker enclosure of the present invention；
Fig. 3 is the enlarged drawing of B in Fig. 2；
Fig. 4 is the cross-sectional view of the line A-A along Fig. 1；
Fig. 5 is that loudspeaker enclosure of the present invention has leak holes and the distortion data experiment curv figure without leak holes；
Fig. 6 is that loudspeaker enclosure of the present invention has leak holes and the frequency response data experiment curv figure without leak holes；
Fig. 7 is the higher hamonic wave DATA REASONING curve graph that loudspeaker enclosure of the present invention has leakage path Yu No leakage channel.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
Please refer to Fig. 1 to Fig. 4, wherein Fig. 1 is the perspective view of loudspeaker enclosure of the present invention；Fig. 2 is loudspeaker of the present invention
The stereochemical structure exploded view of case；Fig. 3 is the enlarged drawing of B in Fig. 2；Fig. 4 is the cross-sectional view of the line A-A along Fig. 1.The loudspeaker enclosure
100 include shell 1, the loudspeaker monomer 2 being contained in the shell 1, the leakage structure 4 being set on the shell 1, flexibility
Circuit board 5 and Air Filter 6.
The shell 1 is including upper housing 11 and the lower case 13 to form accommodating space is assembled with the upper housing 11.It is described
Upper housing 11 includes roof 111 and the side wall 113 from the roof 111 extension.The upper housing 11 include inner surface 11a, with
The side surface of upper surface 11b and connection the inner surface 11a and the upper surface 11b that the inner surface 11a is oppositely arranged
11c.The inner surface 11a include be set to loudspeaker monomer 2 described in the roof 111 and face the first inner surface 111a and
The the second inner surface 113a for being set to the side wall 113 and being connected with the first inner surface 111a.Second inner surface
113a, which surrounds to be formed, leads sound channel 33.The side surface 11c includes being set to the roof 111 and leading sound channel 33 backwards to described
The first side surface 111c.
The loudspeaker monomer 2 includes the vibrating diaphragm 21 for vibration sounding.The vibrating diaphragm 21 is spaced with the upper housing 11
The operatic tunes 31 before setting is formed, specifically, before the space between the first inner surface 111a and the vibrating diaphragm 21 of the roof 111 is
The operatic tunes 31.The sound channel 33 of leading is for being connected to the preceding operatic tunes 31 and extraneous, described one end led sound channel 33 and connect the external world
Opening is outlet sound mouth 331, and the outlet sound mouth 331 is set on the side wall 113.The preceding operatic tunes 31 and described lead sound channel 33
Ante-chamber 3 is collectively formed, the sound that the loudspeaker monomer 2 issues is sent to the external world by the ante-chamber 3.
The leakage structure 4 plays the work for adjusting air pressure in the ante-chamber 3 for being connected to the ante-chamber 3 and outside air
With, reduce the ante-chamber 3 caused because of air nonlinearity output sound there is the amplitude fluctuated, improve the loudspeaker enclosure 100
The stability of the sound of output.The leakage structure 4 includes the first opening 41 for being set to the inner surface 11a, is set to institute
State the second opening 43 of side surface 11c and the leakage channel 45 of connection first opening 41 and second opening 43.Institute
The first opening 41, second opening 43 and the leakage channel 45 are stated by being processed into the upper housing 11.
The roof 111 is equipped with the groove to be formed that is recessed from the upper surface 11b to the direction the first inner surface 111a
1111, the groove 1111 includes slot bottom 1112, and the leakage channel 45 includes through the slot bottom 1112 and being connected to described the
The first passage 451 of one opening 41 is recessed from the slot bottom 1112 to the first inner surface 111a to form and be connected to described the
One channel 451 and extraneous second channel 453 and group are assigned in the groove 1111 and cover the first passage 451 and institute
State the cover board 455 of second channel 453.Surface and the upper surface of the cover board 455 backwards to 2 side of loudspeaker monomer
11b is in same plane.
The leakage structure 4 destroys the integrality of 3 volume of ante-chamber, reduces the amplification of the resonance of the ante-chamber 3
Effect, so as to improve the distortion of intermediate frequency sound wave, reduction radio-frequency component and high-frequency noise.In addition, low in the loudspeaker enclosure 100
The wavelength of frequency sound wave is longer, and the first opening 41 bores, 331 bore of outlet sound mouth is bigger, and low-frequency sound holds very much
It easily goes out from the outlet sound mouth 331, therefore influence of the leakage structure 4 to low-frequency sound wave is smaller, mainly for improvement intermediate frequency
With the sound quality of high frequency sound wave.
First opening 41 is circular open, and the first passage 451 is circular channel, and second opening 43 is square
Shape opening, the second channel 453 is rectangular channel, and the width of the second channel 453 is less than the first passage 451
Diameter causes air to be only capable of circulating from the narrow leakage channel 45, further improves the sound of the leakage structure 4
Resistance, makes the loudspeaker 100 obtain more preferably acoustical behavior.
The flexible circuit board 5 is that the loudspeaker monomer 2 provides electric energy.
The Air Filter 6 is sheathed on the outlet sound mouth 331, prevents foreign matter and dust in the external world from entering the ante-chamber 3, shadow
Ring the effect of the sound of the output of the loudspeaker enclosure 100.
Referring to Fig. 5, having leak holes and the distortion data experiment curv figure without leak holes for loudspeaker enclosure of the present invention.Wherein
Curve I is distortion data experiment curv of the loudspeaker enclosure without the leak holes, and curve II is that loudspeaker enclosure 100 of the present invention has
The distortion data experiment curv of the leak holes.It can be seen that the intermediate frequency of the loudspeaker enclosure 100 with the leak holes loses
The loudspeaker of the true degree well below no leak holes.
Referring to Fig. 6, having leak holes and the frequency response data experiment curv figure without leak holes for loudspeaker enclosure of the present invention.
Wherein curve I is frequency response data experiment curv of the loudspeaker enclosure without the leak holes, and curve II is loudspeaking of the present invention
Device case 100 has the frequency response measurement curve of the leak holes.It can be seen that the loudspeaker enclosure 100 with the leak holes
Its high-frequency resonant is weaker compared with the loudspeaker enclosure for not having the leak holes and resonance peak is lower, therefore the sound issued
Sound sense of hearing is more preferable.Simultaneously it can also be seen that the effective band that whether there is or not the leak holes to make a sound the loudspeaker enclosure 100 simultaneously
Do not influence.
Please referring to Fig. 7 is the higher hamonic wave DATA REASONING curve that loudspeaker enclosure of the present invention has leakage path Yu No leakage channel
Figure.Wherein curve I is frequency response data experiment curv of the loudspeaker enclosure without the leakage channel 45, and curve II is institute of the present invention
State the frequency response measurement curve that loudspeaker enclosure 100 has the leakage channel 45.It can be seen that have simultaneously the leak holes and
The loudspeaker enclosure 100 of the leakage channel 45 with only have the leak holes do not have the described of the leakage channel 45 but
Loudspeaker enclosure is compared, and higher hamonic wave is considerably lower, and the sound quality of the sound of output is higher.
The beneficial effects of the present invention are: the leakage structure 4 for ante-chamber 3 to be in communication with the outside is increased within the case 1
To destroy the integrality of 3 volume of ante-chamber, the ante-chamber 3 is reduced to the amplification of radio-frequency component and high-frequency noise, together
When slow down air pressure level in the ante-chamber 3, when outlet sound mouth 331 has larger resistance or damping, reduce in the ante-chamber 3
It causes the sound of output the amplitude fluctuated occur because of air nonlinearity, improves the sound that the loudspeaker enclosure 100 exports
Stability；Cooperatively forming leakage channel 45 by first passage 451, second channel 453 and cover board 455 reduces adding for shell 1
Work difficulty；The leakage structure 4 has larger damping, has preferable effect to the higher hamonic wave absorbed in sound, and therefore
The limitation to 41 sizes of opening is reduced, the manufacture craft of the loudspeaker enclosure 100 is simplified；By the second channel 453
Width is set smaller than the diameter of the first passage 451, and air is caused to be only capable of circulating in the narrow leakage channel 45,
The acoustic resistance of the leakage structure 4 is further improved, the loudspeaker enclosure 100 is made to obtain more preferably acoustical behavior.
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, including shell and it is contained in the intracorporal loudspeaker monomer of the shell, the loudspeaker monomer includes
For the vibrating diaphragm of vibration sounding, the vibrating diaphragm and the shell interval are arranged to form the preceding operatic tunes, and the loudspeaker enclosure further includes connecting
Lead to the preceding operatic tunes and extraneous and lead sound channel, the preceding operatic tunes and the sound channel of leading collectively form ante-chamber, which is characterized in that
The loudspeaker enclosure further includes leakage structure, and the shell includes surrounding to form the ante-chamber jointly with the loudspeaker monomer
Inner surface, the upper surface being oppositely arranged with the inner surface and the side surface for connecting the upper surface and the inner surface, it is described
Leakage structure includes the first opening for being set to the inner surface, is set to described in the second opening and connection of the side surface
The leakage channel of first opening and second opening, the shell, which is equipped with, to be recessed to be formed from the upper surface to the inner surface
Groove, the groove includes slot bottom, the leakage channel include through the slot bottom and be connected to first opening first passage,
Be recessed from the slot bottom to the inner surface to be formed and be connected to the first passage and second opening second channel and group be assigned in
The groove is interior and covers the cover board of the first passage and the second channel.
2. loudspeaker enclosure according to claim 1, which is characterized in that the shell includes roof and extends from the roof
Side wall, the sound channel of leading is through the side wall.
3. loudspeaker enclosure according to claim 2, which is characterized in that the inner surface includes being set to the roof and just
The first inner surface to the loudspeaker monomer and around the second inner surface for leading sound channel described in formation, the side surface includes
It is set to roof and leads first side surface in sound channel far from described in, first opening is set to first inner surface, institute
It states the second opening and is set to first side surface.
4. loudspeaker enclosure according to claim 1, which is characterized in that the first passage be circular channel, described second
Channel is rectangular channel.
5. loudspeaker enclosure according to claim 1, which is characterized in that it is logical that the width of the second channel is less than described first
The diameter in road.
6. loudspeaker enclosure according to claim 1, which is characterized in that the cover board is backwards to the loudspeaker monomer side
Surface and the upper surface are in same plane.
7. loudspeaker enclosure according to claim 1, which is characterized in that the cover board is by poly terephthalic acid class plastics system
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573812.4A CN106101955B (en) | 2016-07-20 | 2016-07-20 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573812.4A CN106101955B (en) | 2016-07-20 | 2016-07-20 | Loudspeaker enclosure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106101955A CN106101955A (en) | 2016-11-09 |
| CN106101955B true CN106101955B (en) | 2019-10-22 |
Family
ID=57221052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610573812.4A Expired - Fee Related CN106101955B (en) | 2016-07-20 | 2016-07-20 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106101955B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055615B (en) * | 2017-11-28 | 2020-02-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN110166908B (en) * | 2019-05-22 | 2021-06-15 | 瑞声科技(新加坡)有限公司 | Sounding device |
| WO2021000101A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN110536189A (en) * | 2019-07-23 | 2019-12-03 | 瑞声科技(新加坡)有限公司 | Microphone device and mobile terminal |
| EP4206856A4 (en) | 2020-11-20 | 2024-02-28 | Samsung Electronics Co Ltd | Electronic device comprising speaker unit |
| CN113438573B (en) * | 2021-07-19 | 2022-11-01 | 歌尔科技有限公司 | Loudspeaker and sound production device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201345728Y (en) * | 2008-12-26 | 2009-11-11 | 瑞声声学科技(常州)有限公司 | Micro-speaker |
| CN201403191Y (en) * | 2009-02-13 | 2010-02-10 | 瑞声声学科技(常州)有限公司 | Minitype acoustical generator |
| CN201718041U (en) * | 2010-06-21 | 2011-01-19 | 瑞声光电科技(常州)有限公司 | Acoustic generator |
| CN201750543U (en) * | 2010-07-09 | 2011-02-16 | 瑞声光电科技(常州)有限公司 | Sound generator |
| CN204131710U (en) * | 2014-09-30 | 2015-01-28 | 歌尔声学股份有限公司 | Loud speaker module |
| CN204180228U (en) * | 2014-11-12 | 2015-02-25 | 歌尔声学股份有限公司 | Loud speaker module |
| CN204442667U (en) * | 2015-03-02 | 2015-07-01 | 歌尔声学股份有限公司 | Speak loud speaker module in side |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024614A (en) * | 2011-09-20 | 2013-04-03 | 深圳富泰宏精密工业有限公司 | Speaker protecting component and portable electronic device employing same |
-
2016
- 2016-07-20 CN CN201610573812.4A patent/CN106101955B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201345728Y (en) * | 2008-12-26 | 2009-11-11 | 瑞声声学科技(常州)有限公司 | Micro-speaker |
| CN201403191Y (en) * | 2009-02-13 | 2010-02-10 | 瑞声声学科技(常州)有限公司 | Minitype acoustical generator |
| CN201718041U (en) * | 2010-06-21 | 2011-01-19 | 瑞声光电科技(常州)有限公司 | Acoustic generator |
| CN201750543U (en) * | 2010-07-09 | 2011-02-16 | 瑞声光电科技(常州)有限公司 | Sound generator |
| CN204131710U (en) * | 2014-09-30 | 2015-01-28 | 歌尔声学股份有限公司 | Loud speaker module |
| CN204180228U (en) * | 2014-11-12 | 2015-02-25 | 歌尔声学股份有限公司 | Loud speaker module |
| CN204442667U (en) * | 2015-03-02 | 2015-07-01 | 歌尔声学股份有限公司 | Speak loud speaker module in side |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106101955A (en) | 2016-11-09 |
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