CN104238657A - Portable electronic device - Google Patents
Portable electronic device Download PDFInfo
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- CN104238657A CN104238657A CN201310252820.5A CN201310252820A CN104238657A CN 104238657 A CN104238657 A CN 104238657A CN 201310252820 A CN201310252820 A CN 201310252820A CN 104238657 A CN104238657 A CN 104238657A
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- loudspeaker
- electronic installation
- sound hole
- resonant cavity
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Abstract
A portable electronic device comprises a housing and a loudspeaker. The housing comprises a back portion, a side wall connected to the back portion and a sound hole formed in the side wall. The loudspeaker is arranged in the housing and comprises a vibrating diaphragm extending along a plane, and the plane is located between the sound hole and the back portion. Thus, the sound quality of the portable electronic device can be improved, and the thickness can be reduced.
Description
Technical field
The present invention is mainly relating to a kind of portable electronic devices, particularly relates to a kind of portable electronic devices with loudspeaker.
Background technology
As shown in Figure 1, current known intelligent mobile phone 100 is in order to obtain the display frame of larger area, and therefore display screen 110 occupies most of area of the leading flank of intelligent mobile phone 100, and therefore loudspeaker 120 only can be overlapped above display screen 110.In addition, in order to gradually lack the thickness of intelligent mobile phone 100, loudspeaker 120 takes the direction of parallel display panel curtain 110 to place, and in order to correspond to the pronunciation face 121 of loudspeaker 120, is arranged on the backboard 131 of casing 130 by sound hole 132.But when intelligent mobile phone 100 uses, display screen 110 is towards user, therefore sound hole 132 is arranged on the backboard 131 of casing 130, will significantly reduces the tonequality of intelligent mobile phone 100.
As shown in Figure 2, in order to the tonequality of intelligent mobile phone 100 can be promoted, in known technology, sound hole 132 is arranged on the side plate 133 of casing 130.In addition, the sound produced to make loudspeaker 120 can be derived by sound hole 132 when less on tonequality impact, between the pronunciation face 121 and backboard 131 of loudspeaker 120, define a passage 134, and top sound hole 132 being arranged pronunciation face 121 is to be connected with passage 134.But under such configuration, the thickness of intelligent mobile phone 100 can be subject to the impact of sound hole 132 height and increase.
In addition, known loudspeaker 120 is directly fixed on motherboard 140.As shown in Figure 1 and Figure 2, motherboard 140 is between loudspeaker 120 and display screen 110, also because this increasing the thickness of intelligent mobile phone 100.
Summary of the invention
In order to solve the disappearance of above-mentioned known technology, object of the present invention is for providing a kind of portable electronic devices, and its sound hole is positioned at the sidewall of shell, and shell has thinner thickness.
To achieve the above object, the invention provides a kind of portable electronic devices, comprise a shell and a loudspeaking component.Shell has a back, is connected to a sidewall at above-mentioned back and is arranged on a sound hole of above-mentioned sidewall.Loudspeaking component comprises a pedestal and a loudspeaker.Pedestal is arranged in above-mentioned shell, and has a holding part and be connected to a rake of above-mentioned holding part, wherein forms a passage between above-mentioned rake and above-mentioned sidewall.Loudspeaker is arranged on above-mentioned holding part, and has a vibrating diaphragm.Form a resonant cavity between above-mentioned vibrating diaphragm and above-mentioned back, and above-mentioned passage is communicated with respectively at above-mentioned resonant cavity and above-mentioned sound hole.In addition, above-mentioned vibrating diaphragm extends along a plane, and above-mentioned plane is between above-mentioned sound hole and above-mentioned back, and above-mentioned sound hole and above-mentioned interplanar are every a preset distance.
In sum, the sound hole of portable electronic devices of the present invention is positioned at the sidewall of shell, to promote the tonequality of portable electronic devices.In addition, by the resonant cavity that formed between pedestal and shell and passage, the position of sound hole is made lower than the vibrating diaphragm of loudspeaker, therefore can to reduce the thickness of portable electronic devices.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the schematic diagram of known intelligent mobile phone.
Fig. 3 is the stereographic map of portable electronic devices of the present invention.
Fig. 4 is the rear view of portable electronic devices of the present invention.
Fig. 5 is the cut-open view of the AA section of Fig. 4.
Fig. 6 is the stereographic map of loudspeaking component of the present invention.
Fig. 7 is the sectional view of the BB profile line of Fig. 4.
Fig. 8 is the stereographic map of another loudspeaking component of the present invention.
Intelligent mobile phone 100
Display screen 110
Loudspeaker 120
Pronunciation face 121
Casing 130
Backboard 131
Sound hole 132
Side plate 133
Passage 134
Motherboard 140
Portable electronic devices 2
Shell 20
Front side portion 21
Fender 221
Back 22
Sidewall 23
Sound hole 24,25
Guard 26
Display screen 30
Display panel 31
Loudspeaking component 40
Pedestal 41
Holding part 411
Upper surface 4111
Storage tank 4112
Opening 4113
Rake 412
Dip plane 4121
Back-up block 4122
Fixed part 413
Loudspeaker 42
Housing 421
Vibrating diaphragm 422
Magnet assembly 423
Groove 424
Electrode shell fragment 425
Flexible circuitry plate 43
Packing ring 44
First side 441
Second side 442
Inclined side 443
Loudspeaking component 50
Pedestal 51
Fixed part 513
Loudspeaker 52
Flexible circuitry plate 54
Motherboard 60
Electric connector 61
Electronic component A1
Resonant cavity C1, C3
Channel C 2, C4
Predetermined distance d 1
Bearing of trend D1, D2
Width W 1, W2, W3, W4
Plane P 1
Embodiment
Fig. 3 is the stereographic map of portable electronic devices 2 of the present invention.Fig. 4 is the rear view of portable electronic devices 2 of the present invention.Fig. 5 is the cut-open view of the AA section of Fig. 4.Portable electronic devices 2 can be an intelligent mobile phone or a flat computer.Portable electronic devices 2 comprises shell 20, display screen 30 and two loudspeaking components 40,50.Shell 20 comprises front side portion 21, back 22, sidewall 23, two sound hole 24,25 and two guard 26.Front side portion 21 is in contrast to back 22, and sidewall 23 is connected to front side portion 21 and back 22.
Sound hole 24,25 is separately positioned on the two ends of sidewall 23, and at a distance of 7 centimetres to 15 centimetres, is about 10 centimetres in the present embodiment.Guard 26 is separately positioned on sound hole 24,25, can prevent dust etc. from entering shell 20 via sound hole 24,25 inner.
Front side portion 21 can comprise a fender 221.Display screen 30 can comprise a display panel 31, between fender 221 and back 22.Loudspeaking component 40,50 is arranged in casing, and between back 22 and display panel 31.Loudspeaking component 40 corresponds to sound hole 24, and loudspeaking component 50 corresponds to sound hole 25.
By the sidewall 23 being arranged on shell 20 at sound hole 24,25, spaced, therefore when the horizontal portable electronic devices 2 of user and the film of viewing shown by display screen 30 time, good stereophonic effect can be obtained.
Fig. 6 is the stereographic map of loudspeaking component 40 of the present invention.Loudspeaking component 40 comprises pedestal 41, loudspeaker 42, flexible circuitry plate 43 and a packing ring 44.Pedestal 41 is arranged in shell 20, and between display panel 31 and back 22.Pedestal 41 has holding part 411, rake 412 and a fixed part 413.Holding part 411 has upper surface 4111 and a storage tank 4112.Upper surface 4111 can be parallel with back 22, that is have the curved surface identical with back 22, and upper surface 4111 also can be a plane.Storage tank 4112 is formed in upper surface 4111, and on upper surface 4111, have an opening 4113.
Loudspeaker 42 is arranged in the storage tank 4112 of holding part 411, and roughly extends along a bearing of trend D1.Loudspeaker 42 can comprise housing 421, vibrating diaphragm 422, magnet assembly 423, groove 424 and an electrode shell fragment 425.Housing 421 is arranged in storage tank 4112.Vibrating diaphragm 422 arranges in housing 421 and storage tank 4112, and corresponding to the opening 4113 of storage tank 4112, therefore vibrating diaphragm 422 exposes holding part 411 via opening 4113.Distance between vibrating diaphragm 422 and back 22 can be 0.3mm to 1mm, is approximately 0.5mm in the present embodiment.
Magnet assembly 423 is arranged in housing 421, and corresponds to vibrating diaphragm 422, and by magnet assembly 423 to the magnetic field produced at vibrating diaphragm 422, makes vibrating diaphragm 422 produce vibration.Groove 424 is arranged on the bottom of housing 421.Electrode shell fragment 425 and magnet assembly 423 are electrically connected, and are arranged on housing 421, and extend in groove 424.
Flexible circuitry plate 43 is arranged on pedestal 41.One end extending flute 424 of flexible circuitry plate 43 is inner, and is connected with electrode shell fragment 425, and the other end extends to the outside of pedestal 41.
Packing ring 44 is roughly a square structure.Packing ring 44 is arranged on the upper surface 4111 of holding part 411, and around the opening 4113 of part storage tank 4112, packing ring 44 between holding part 411 and back 22, and is connected to upper surface 4111 and back 22.The material of packing ring 44 can be rubber, plastics or bubble silk floss, and its thickness is about 0.8mm, after compressing, makes its thickness be about 0.5mm via holding part 411 and back 22.
Form a resonant cavity C1 between the upper surface 4111 of packing ring 44, holding part 411, vibrating diaphragm 422 and back 22, and vibrating diaphragm 422 exposes at resonant cavity C1.The volume of resonant cavity C1 can be 0.1cc to 0.3cc, is approximately 0.2cc in the present embodiment.
Rake 412 is connected to holding part 411.Rake 412 has a dip plane 4121, and the side of dip plane 4121 is connected to upper surface 4111, and opposite side vicinity is in the bottom of sound hole.Packing ring 44 extends on dip plane 4121.Form a channel C2 between the dip plane 4121 of packing ring 44, rake 412 and sidewall 23, channel C2 can be a curved channel.Channel C 2 is communicated with respectively at resonant cavity C1 and sound hole 24.The volume of channel C 2 can be 0.05cc to 0.2cc, is approximately 0.1cc in the present embodiment.In the present embodiment, the volumetric ratio of the total measurement (volume) of resonant cavity C1 and channel C 2 and the monomer of loudspeaker 42 is roughly 1:2.
Dip plane 4121 can be parallel at sidewall 23, that is dip plane 4121 can coordinate the curved surface of sidewall 23, and now, dip plane 4121 can be a curved surface.If sidewall 23 extends along a plane, then 4121, dip plane can be a plane.Therefore the present embodiment can be applicable to the shell 20 of different designs.
As shown in Figure 5, vibrating diaphragm 422 extends along a plane P 1, and plane P 1 is between sound hole 24 and back 22, and plane P 1 is a surface level in Figure 5.Sound hole 24 and plane P 1 interval one predetermined distance d 1, predetermined distance d 1 can be between 1mm to 1.5mm, is about 1.2mm in the present embodiment.Compare in known technology, must make sound hole 24 between back 22 and plane P 1, in the present embodiment, by the resonant cavity C1 that formed between pedestal 41 and shell 20 and channel C 2, make the position of sound hole 24 can lower than the vibrating diaphragm 422 of loudspeaker 42.The thickness of portable electronic devices 2 can be reduced.
Fixed part 413 roughly extends along bearing of trend D1, and fixed part 413 in order to the electronic component A1 of auxiliary fixed housing 20 inside, such as, can be the camera model shown in Fig. 4.Therefore, the indoor design of the form fit portable electronic devices 2 of fixed part 413, is not limited.
For another, as shown in Figure 6, the width W 1 of resonant cavity C1 is greatly in the width W 2 of channel C 2.Packing ring 44 has one first side 441 being positioned at holding part 411, one second side 442 being positioned at rake 412, and is connected to an inclined side 443 of the first side 441 and the second side 442.First and second side 441,442 is parallel to each other, and inclined side 443 tilts in first and second side 441,442 relatively.The standing wave that sound wave that loudspeaker 42 produces causes between resonant cavity C1 and channel C 2 gradually can be lacked by inclined side 443.
In addition, in the present embodiment, rake 412 can have a back-up block 4122, is arranged on dip plane 4121.Back-up block 4122, can in order to fixing and support guard 26 between guard 26 and rake 412.In another embodiment, back-up block 4122 and guard 26, optionally arranged.
Fig. 7 is the sectional view of the BB profile line of Fig. 4.Fig. 8 is the stereographic map of loudspeaking component 50 of the present invention.Loudspeaking component 50 is in loudspeaking component 40 main difference.In order to coordinate the indoor design of shell 20, the loudspeaker 50 of loudspeaking component 50 is roughly along a bearing of trend D2, and wherein bearing of trend D2 is vertically at bearing of trend D1.Therefore the width W 3 of resonant cavity C3 is wide compared with the width W 1 of resonant cavity C1, and the width W 4 of channel C 4 is wide compared with the width W 2 of channel C 2.The fixed part 513 of pedestal 51 is different from the shape of the fixed part 413 of pedestal 41.
For another, shown in Fig. 7, flexible circuitry plate 54 is electrically connected with motherboard 60 via an electric connector 61.Therefore motherboard 60 and the side being arranged on loudspeaker 52, but not between loudspeaker 52 and display panel 31.By the far little thickness at motherboard 60 of the thickness at flexible circuit board 54, therefore in the present embodiment, by flexible circuit board 41, the thickness of portable electronic devices 2 is reduced further.
In sum, the sound hole of portable electronic devices of the present invention is positioned at the sidewall of shell, to promote the tonequality of portable electronic devices.In addition, by the resonant cavity that formed between pedestal and shell and passage, the position of sound hole is made lower than the vibrating diaphragm of loudspeaker, therefore can to reduce the thickness of portable electronic devices.
Though the present invention with various embodiment openly as above, but it is only exemplary reference and is not used to limit scope of the present invention, any those of ordinary skill in the art, without departing from the spirit and scope of the present invention, when doing a little change and retouching.Therefore above-described embodiment be not used to limit scope of the present invention, protection scope of the present invention is when be as the criterion depending on the accompanying claim person of defining.
Claims (11)
1. a portable electronic devices, comprising:
One shell, has a back, is connected to a sidewall at above-mentioned back and is arranged on a sound hole of above-mentioned sidewall; And
One loudspeaking component, comprises;
One pedestal, is arranged in above-mentioned shell, and has a holding part and be connected to a rake of above-mentioned holding part, wherein forms a passage between above-mentioned rake and above-mentioned sidewall; And
One loudspeaker, is arranged on above-mentioned holding part, and has a vibrating diaphragm, wherein forms a resonant cavity between above-mentioned vibrating diaphragm and above-mentioned back, and above-mentioned passage is communicated with at above-mentioned resonant cavity and above-mentioned sound hole respectively;
Wherein above-mentioned vibrating diaphragm extends along a plane, and above-mentioned plane is between above-mentioned sound hole and above-mentioned back, and above-mentioned sound hole and above-mentioned interplanar are every a preset distance.
2. electronic installation as claimed in claim 1, wherein above-mentioned preset distance is between 1mm to 1.5mm, and the distance between above-mentioned vibrating diaphragm and above-mentioned back is 0.3mm to 1mm.
3. electronic installation as claimed in claim 1, wherein above-mentioned rake has a dip plane, forms above-mentioned passage between itself and above-mentioned sidewall.
4. electronic installation as claimed in claim 3, wherein above-mentioned dip plane is a curved surface, and above-mentioned channel is an arc channel.
5. electronic installation as claimed in claim 1, wherein the volume of above-mentioned resonant cavity can be 0.1cc to 0.3cc, and the volume of above-mentioned passage is 0.05cc to 0.2cc.
6. electronic installation as claimed in claim 1, wherein the volumetric ratio of the total measurement (volume) of above-mentioned resonant cavity and above-mentioned passage and the monomer of above-mentioned loudspeaker is roughly 1:2.
7. electronic installation as claimed in claim 1, more comprise a packing ring, between above-mentioned holding part and above-mentioned back, and above-mentioned resonant cavity is positioned at above-mentioned packing ring, wherein above-mentioned packing ring has one first side being positioned at above-mentioned holding part, one second side being positioned at above-mentioned rake, and be connected to an inclined side of above-mentioned first side and above-mentioned second side, wherein first and second side above-mentioned is parallel to each other, and above-mentioned inclined side first and second is laterally inclined above-mentioned relatively.
8. electronic installation as claimed in claim 1, wherein above-mentioned loudspeaking component more comprises the flexible circuit board being arranged on said base, and above-mentioned loudspeaker more comprises the electrode shell fragment be connected with above-mentioned flexible circuit board.
9. electronic installation as claimed in claim 1, wherein the width of above-mentioned resonant cavity is greatly at the width of above-mentioned passage.
10. electronic installation as claimed in claim 1, more comprises a display panel, be arranged in above-mentioned shell, and above-mentioned loudspeaker is between above-mentioned back and above-mentioned display panel.
11. electronic installations as claimed in claim 10, more comprise a motherboard, are arranged in above-mentioned shell, and not between above-mentioned loudspeaker and above-mentioned display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252820.5A CN104238657B (en) | 2013-06-24 | 2013-06-24 | Portable electronic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252820.5A CN104238657B (en) | 2013-06-24 | 2013-06-24 | Portable electronic devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104238657A true CN104238657A (en) | 2014-12-24 |
| CN104238657B CN104238657B (en) | 2017-11-07 |
Family
ID=52226934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310252820.5A Active CN104238657B (en) | 2013-06-24 | 2013-06-24 | Portable electronic devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104238657B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318073A (en) * | 2017-07-28 | 2017-11-03 | 歌尔股份有限公司 | Loudspeaker module and electronic equipment |
| CN107371107A (en) * | 2017-07-28 | 2017-11-21 | 歌尔股份有限公司 | Loudspeaker module and electronic equipment |
| CN108307013A (en) * | 2018-02-28 | 2018-07-20 | 广东欧珀移动通信有限公司 | Electronic equipment |
| CN109905508A (en) * | 2019-03-29 | 2019-06-18 | 努比亚技术有限公司 | The center of mobile terminal and mobile terminal |
| CN110366085A (en) * | 2019-07-05 | 2019-10-22 | Oppo（重庆）智能科技有限公司 | Electronic equipment and control method of electronic device |
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| CN102187297A (en) * | 2008-09-05 | 2011-09-14 | 苹果公司 | Handheld computing device |
| US20110228958A1 (en) * | 2006-06-27 | 2011-09-22 | Motorola Solutions, Inc. | Method and system for equal acoustics porting |
| CN102333263A (en) * | 2011-08-22 | 2012-01-25 | 鸿富锦精密工业（深圳）有限公司 | Electronic device |
| US8160289B2 (en) * | 2006-01-27 | 2012-04-17 | Samsung Electronics Co., Ltd | Speaker with auxiliary air hole |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US8160289B2 (en) * | 2006-01-27 | 2012-04-17 | Samsung Electronics Co., Ltd | Speaker with auxiliary air hole |
| US20110228958A1 (en) * | 2006-06-27 | 2011-09-22 | Motorola Solutions, Inc. | Method and system for equal acoustics porting |
| CN101529872A (en) * | 2006-10-30 | 2009-09-09 | 索尼爱立信移动通讯股份有限公司 | Speaker module for electronic device |
| CN102187297A (en) * | 2008-09-05 | 2011-09-14 | 苹果公司 | Handheld computing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318073A (en) * | 2017-07-28 | 2017-11-03 | 歌尔股份有限公司 | Loudspeaker module and electronic equipment |
| CN107371107A (en) * | 2017-07-28 | 2017-11-21 | 歌尔股份有限公司 | Loudspeaker module and electronic equipment |
| CN107371107B (en) * | 2017-07-28 | 2021-10-08 | 苹果公司 | Speaker module and electronic equipment |
| CN108307013A (en) * | 2018-02-28 | 2018-07-20 | 广东欧珀移动通信有限公司 | Electronic equipment |
| CN109905508A (en) * | 2019-03-29 | 2019-06-18 | 努比亚技术有限公司 | The center of mobile terminal and mobile terminal |
| CN110366085A (en) * | 2019-07-05 | 2019-10-22 | Oppo（重庆）智能科技有限公司 | Electronic equipment and control method of electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104238657B (en) | 2017-11-07 |
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