CN103139683A - Sound chamber structure capable of laterally making sound - Google Patents

Sound chamber structure capable of laterally making sound Download PDF

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Publication number
CN103139683A
CN103139683A CN2013100263267A CN201310026326A CN103139683A CN 103139683 A CN103139683 A CN 103139683A CN 2013100263267 A CN2013100263267 A CN 2013100263267A CN 201310026326 A CN201310026326 A CN 201310026326A CN 103139683 A CN103139683 A CN 103139683A
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CN
China
Prior art keywords
cavity
sound
magnet steel
shell
speaking
Prior art date
Application number
CN2013100263267A
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Chinese (zh)
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CN103139683B (en
Inventor
于国强
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福兴达科技实业(深圳)有限公司
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Priority to CN201310026326.7A priority Critical patent/CN103139683B/en
Publication of CN103139683A publication Critical patent/CN103139683A/en
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Publication of CN103139683B publication Critical patent/CN103139683B/en

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Abstract

The invention provides a sound chamber structure capable of laterally making sound. The sound chamber structure capable of laterally making sound comprises a bottom shell and a top shell, wherein the bottom shell and the top shell are fixed in a buckled mode, a circuit board and a loudspeaker are internally arranged between the bottom shell and the top shell, and the loudspeaker is electrically connected with the circuit board. A side sound-making hole is formed in the side portion of the bottom shell close to the loudspeaker and the loudspeaker comprises a vibrating membrane, a fold ring, a voice coil 43, a basin support and a magnetic steel, wherein the basin support is arranged on the magnetic steel, the voice coil is arranged in the magnetic steel in a sleeved mode, the vibrating membrane and the fold ring are arranged on the basin support in sequence, the sound making surface of the vibrating membrane faces towards the magnetic steel, and the sound wave generated by the voice coil is emitted form the side portion of the magnetic steel and the side sound-making hole. The sound chamber structure capable of laterally making sound has the advantages of reducing the number of parts and components, simplifying the structure, reducing the thickness and the weight of the whole sound chamber, and being favorable for meeting the light-thin requirement of products.

Description

The audio cavity structure that a kind of side is spoken
Technical field
The present invention relates to the electrical loudspeaker technical field, particularly a kind of side audio cavity structure of speaking.
Background technology
Along with the development of electronic communication, the electronics mobile terminal more and more becomes the indispensable instrument of people's daily life, and it brings great convenience not only for people's Working Life, and has amusement function concurrently, brings a lot of enjoyment to people's life.
Usually all be built-in with loudspeaker in the electronics mobile terminal, and most of mobile terminals adopt side phonate hole mode to design, namely the sound that sends of this terminal inner loud speaker sends from its side, so just can avoid putting when the terminal such as mobile phone and block phonate hole on the table and can't hear its sound, thereby the design of this side phonate hole mode is very beneficial for routine use.
See also Fig. 1, the audio cavity structure that existing side is spoken comprises fore shell 1 ' and the back cover 2 ' of mutual fastening, between described fore shell 1 ' and back cover 2 ', inside is equipped with circuit board 3 ' and is connected in the loud speaker 4 ' of this circuit board 3 ', be provided with on described back cover 2 ' and lead sound shell 5 ', the described sound shell 5 ' of leading forms pilot hole 6 ' with loud speaker 4 ' outlet sound mouth, thereby the sound that sends of this loud speaker 4 ' is by the pilot hole side of audio cavity structure of leading, thereby the side that realizes audio cavity structure is spoken.But the complicated structure of the audio cavity structure that this side is spoken, and need to add and lead the sound shell has just increased thickness and the weight of product so undoubtedly, very unfavorable product lightening.
Summary of the invention
The objective of the invention is to propose the audio cavity structure that a kind of simple in structure, more frivolous side is spoken.
for achieving the above object, the present invention proposes the audio cavity structure that a kind of side is spoken, comprise the drain pan and the top shell that mutually are fastened, be built-in with circuit board and loud speaker between described drain pan and top shell, described loud speaker is electrically connected on circuit board, described drain pan is provided with the side phonate hole at the sidepiece near loud speaker, described loud speaker comprises vibrating diaphragm, ring, voice coil loudspeaker voice coil 43, basin frame and magnet steel, described basin is set up on magnet steel, described voice coil loudspeaker voice coil is sheathed in magnet steel, described vibrating diaphragm and ring are located on the basin frame successively, and speaking facing to magnet steel of described vibrating diaphragm, the sound wave that described vibrating diaphragm produces sends via sidepiece and the side phonate hole of magnet steel.
Further, in the audio cavity structure that above-mentioned side is spoken, described drain pan is provided with the first cavity and second cavity adjacent with described the first cavity, described the first cavity and the second cavity peripheral edge are provided with a plurality of fixed legs, be provided with installing hole in described a plurality of fixed leg, described circuit board cover is located on the first cavity and the second cavity, and is fixed together by fixture and drain pan.
Further, in the audio cavity structure that above-mentioned side is spoken, described the first cavity and the second cavity are separated by dividing plate.
Further, in the audio cavity structure that above-mentioned side is spoken, described the first cavity communicates by a Tunnel-hole with the bottom of the second cavity.
Further, in the audio cavity structure that above-mentioned side is spoken, described loud speaker is placed in the second cavity, and the rear sound chamber of a sealing is formed on the bottom of described loud speaker, circuit board, dividing plate and the first cavity and the second cavity.
Further, in the audio cavity structure that above-mentioned side is spoken, the speaking facing to magnet steel of described vibrating diaphragm, the sidepiece of described magnet steel is towards the side phonate hole.
The audio cavity structure that side of the present invention is spoken is by speaking the vibrating diaphragm of loud speaker facing to the setting of magnet steel direction, with the sidepiece of magnet steel as going out the sound face, thereby reduced parts, simplify the structure, reduce thickness and the weight of whole audio cavity structure, be very beneficial for realizing the lightening requirement of product.
Description of drawings
Fig. 1 is the structural representation of the prior art side audio cavity structure of speaking;
Fig. 2 is the decomposition texture schematic diagram of the side of the present invention audio cavity structure of speaking;
Fig. 3 is the generalized section of the side of the present invention audio cavity structure of speaking;
Fig. 4 is another generalized section of the side of the present invention audio cavity structure of speaking.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
see also Fig. 2, Fig. 3 and Fig. 4, the audio cavity structure that side of the present invention is spoken comprises drain pan 1 and the top shell 2 that mutually is fastened, be built-in with circuit board 3 and loud speaker 4 between described drain pan 1 and top shell 2, described loud speaker 4 is electrically connected on circuit board 3, described drain pan 1 is provided with side phonate hole 12 at the sidepiece near loud speaker 4, described loud speaker 4 comprises vibrating diaphragm 41, ring 42, voice coil loudspeaker voice coil 43, basin frame 44 and magnet steel 45, described basin frame 44 is located on magnet steel 45, described voice coil loudspeaker voice coil 43 is sheathed in magnet steel 45, described vibrating diaphragm 41 and ring 42 are located on basin frame 44 successively, and speaking facing to magnet steel 46 of described vibrating diaphragm 41, the sound wave that described vibrating diaphragm 41 produces sends via sidepiece and the side phonate hole 12 of magnet steel 46.
Wherein, described drain pan 1 is provided with the first cavity 14 and second cavity 16 adjacent with described the first cavity 14, described the first cavity 14 and the second cavity 16 peripheral edges are provided with a plurality of fixed legs 15, be provided with installing hole (figure is mark not) in described a plurality of fixed leg 15, described circuit board 3 is covered on the first cavity 14 and the second cavity 16, and is fixed together by fixture 32 and drain pan 1.In the present embodiment, described installing hole is screw, and described fixture 32 is screw.
Described the first cavity 14 and the second cavity 16 are separated by dividing plate 17, and described the first cavity 14 communicates by a Tunnel-hole 18 with the bottom of the second cavity 16.Described loud speaker 4 is placed in the second cavity 16, and the speaking facing to magnet steel of described vibrating diaphragm, and the sidepiece of described magnet steel is towards side phonate hole 12.Like this, the rear sound chamber 5 of a sealing is formed on the bottom of described loud speaker 4, circuit board 3, dividing plate 17 and the first cavity 14 and the second cavity 16.
When the audio cavity structure that side of the present invention is spoken is worked, produce voice-frequency signalling current on circuit board 3, when this voice-frequency signalling current passes through the voice coil loudspeaker voice coil of loud speaker 4, described voice coil loudspeaker voice coil forced vibration in magnetic field, simultaneously, described vibrating diaphragm also vibrates in the drive of voice coil loudspeaker voice coil, thereby excite air to produce resonance and produce sound wave, due to speaking facing to magnet steel of the vibrating diaphragm in the present invention, thereby, the sidepiece of described magnet steel is for going out the sound face, and the sound wave that described vibrating diaphragm produces is spread out of by the sidepiece of magnet steel and the side phonate hole 12 of drain pan 1, thereby has realized the effect that side is spoken.The sound wave that produces due to vibrating diaphragm in the present invention is directly to be derived by magnet steel and side phonate hole 12, need not to lead sound shell and pilot hole leads to sound wave, thereby parts have been reduced, simplify the structure, thickness and the weight of whole audio cavity structure have been reduced, effectively solved the complex structure of general sound chamber design, the defective that part is many, be very beneficial for realizing the lightening designing requirement of product, can be widely used in ultra thin handset and ultra-thin tablet computer.
Than prior art, the audio cavity structure that side of the present invention is spoken is by speaking the vibrating diaphragm of loud speaker facing to the setting of magnet steel direction, with the sidepiece of magnet steel as going out the sound face, thereby parts have been reduced, simplify the structure, reduce thickness and the weight of whole audio cavity structure, be very beneficial for realizing the lightening requirement of product.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realizes with other assembly, material and parts.In the situation that do not break away from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.

Claims (6)

1. audio cavity structure that side is spoken, it is characterized in that, comprise the drain pan and the top shell that mutually are fastened, be built-in with circuit board and loud speaker between described drain pan and top shell, described loud speaker is electrically connected on circuit board, described drain pan is provided with the side phonate hole at the sidepiece near loud speaker, described loud speaker comprises vibrating diaphragm, ring, voice coil loudspeaker voice coil 43, basin frame and magnet steel, described basin is set up on magnet steel, described voice coil loudspeaker voice coil is sheathed in magnet steel, described vibrating diaphragm and ring are located on the basin frame successively, and speaking facing to magnet steel of described vibrating diaphragm, the sound wave that described vibrating diaphragm produces sends via sidepiece and the side phonate hole of magnet steel.
2. the side according to claim 1 audio cavity structure of speaking, it is characterized in that, described drain pan is provided with the first cavity and second cavity adjacent with described the first cavity, described the first cavity and the second cavity peripheral edge are provided with a plurality of fixed legs, be provided with installing hole in described a plurality of fixed leg, described circuit board cover is located on the first cavity and the second cavity, and is fixed together by fixture and drain pan.
3. the side according to claim 2 audio cavity structure of speaking, is characterized in that, described the first cavity and the second cavity are separated by dividing plate.
4. the side according to claim 3 audio cavity structure of speaking, is characterized in that, described the first cavity communicates by a Tunnel-hole with the bottom of the second cavity.
5. the side according to claim 4 audio cavity structure of speaking, is characterized in that, described loud speaker is placed in the second cavity, and the rear sound chamber of a sealing is formed on the bottom of described loud speaker, circuit board, dividing plate and the first cavity and the second cavity.
6. the side according to claim 5 audio cavity structure of speaking, is characterized in that, the speaking facing to magnet steel of described vibrating diaphragm, and the sidepiece of described magnet steel is towards the side phonate hole.
CN201310026326.7A 2013-01-23 2013-01-23 The audio cavity structure that a kind of side is spoken CN103139683B (en)

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CN201310026326.7A CN103139683B (en) 2013-01-23 2013-01-23 The audio cavity structure that a kind of side is spoken

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Application Number Priority Date Filing Date Title
CN201310026326.7A CN103139683B (en) 2013-01-23 2013-01-23 The audio cavity structure that a kind of side is spoken

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CN103139683B CN103139683B (en) 2017-11-17

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103414969A (en) * 2013-08-29 2013-11-27 刘骏涛 Miniature sound box
CN103414968A (en) * 2013-08-29 2013-11-27 刘骏涛 Miniature sound box
CN103945290A (en) * 2014-04-25 2014-07-23 苏州佳世达电通有限公司 Loudspeaker and electronic device
WO2015165318A1 (en) * 2014-04-30 2015-11-05 歌尔声学股份有限公司 Speaker sounding hole device
CN105959883A (en) * 2016-05-05 2016-09-21 广东欧珀移动通信有限公司 Loudspeaker assembly and mobile terminal

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101198196A (en) * 2006-12-08 2008-06-11 富准精密工业(深圳)有限公司 Loudspeaker box structure and mobile electronic equipments adopting the loudspeaker box structure
US20090010474A1 (en) * 2007-07-04 2009-01-08 Victor Company Of Japan, Ltd. Headphones
CN101494808A (en) * 2008-01-24 2009-07-29 深圳富泰宏精密工业有限公司 Loudspeaker assembly
CN102333263A (en) * 2011-08-22 2012-01-25 鸿富锦精密工业(深圳)有限公司 Electronic device
CN202395941U (en) * 2011-12-27 2012-08-22 联想(北京)有限公司 Audio output device for electronic equipment
CN102761797A (en) * 2011-04-26 2012-10-31 英业达股份有限公司 Inverted sound box structure
CN203181198U (en) * 2013-01-23 2013-09-04 福兴达科技实业(深圳)有限公司 Side-sounding sound cavity structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101198196A (en) * 2006-12-08 2008-06-11 富准精密工业(深圳)有限公司 Loudspeaker box structure and mobile electronic equipments adopting the loudspeaker box structure
US20090010474A1 (en) * 2007-07-04 2009-01-08 Victor Company Of Japan, Ltd. Headphones
CN101494808A (en) * 2008-01-24 2009-07-29 深圳富泰宏精密工业有限公司 Loudspeaker assembly
CN102761797A (en) * 2011-04-26 2012-10-31 英业达股份有限公司 Inverted sound box structure
CN102333263A (en) * 2011-08-22 2012-01-25 鸿富锦精密工业(深圳)有限公司 Electronic device
CN202395941U (en) * 2011-12-27 2012-08-22 联想(北京)有限公司 Audio output device for electronic equipment
CN203181198U (en) * 2013-01-23 2013-09-04 福兴达科技实业(深圳)有限公司 Side-sounding sound cavity structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103414969A (en) * 2013-08-29 2013-11-27 刘骏涛 Miniature sound box
CN103414968A (en) * 2013-08-29 2013-11-27 刘骏涛 Miniature sound box
CN103945290A (en) * 2014-04-25 2014-07-23 苏州佳世达电通有限公司 Loudspeaker and electronic device
CN103945290B (en) * 2014-04-25 2017-09-26 苏州佳世达电通有限公司 Loudspeaker and electronic installation
WO2015165318A1 (en) * 2014-04-30 2015-11-05 歌尔声学股份有限公司 Speaker sounding hole device
US9832565B2 (en) 2014-04-30 2017-11-28 Goertek Inc. Speaker sound hole device
CN105959883A (en) * 2016-05-05 2016-09-21 广东欧珀移动通信有限公司 Loudspeaker assembly and mobile terminal

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Effective date of registration: 20150924

Address after: 518000 areca road in Guangdong Province, Shenzhen Futian Free Trade Zone No. 6 Fuxing Building 4 floor

Applicant after: Shenzhen Fuzhi Software Technology Co., Ltd.

Address before: 518118 Guangdong city of Shenzhen province Pingshan North Zhu Lu Lan fuxingda Industrial Plant Factory No.1, No. two building a layer of a layer to three

Applicant before: Foxda Technology Industrial (Shenzhen) Co., Ltd.

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