CN106101955A - Loudspeaker enclosure - Google Patents

Loudspeaker enclosure Download PDF

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Publication number
CN106101955A
CN106101955A CN201610573812.4A CN201610573812A CN106101955A CN 106101955 A CN106101955 A CN 106101955A CN 201610573812 A CN201610573812 A CN 201610573812A CN 106101955 A CN106101955 A CN 106101955A
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CN
China
Prior art keywords
loudspeaker enclosure
opening
passage
loudspeaker
housing
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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
Application number
CN201610573812.4A
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Chinese (zh)
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CN106101955B (en
Inventor
秦鹏
魏威
蔡斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Pte Ltd
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AAC Technologies Pte Ltd
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Priority to CN201610573812.4A priority Critical patent/CN106101955B/en
Publication of CN106101955A publication Critical patent/CN106101955A/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details

Abstract

The invention provides a kind of loudspeaker enclosure, including housing, it is contained in the loudspeaker monomer in described housing and is opened in the leakage structure of described housing, described loudspeaker monomer includes the vibrating diaphragm for vibration sounding, described vibrating diaphragm and described housing interval arrange the operatic tunes before formation, described loudspeaker enclosure also includes that connecting the described front operatic tunes leads sound passage with extraneous, the described front operatic tunes and described sound passage of leading collectively form ante-chamber, described housing includes with described loudspeaker monomer jointly around the inner surface forming described ante-chamber, the upper surface that is oppositely arranged with described inner surface and be connected described upper surface and the side surface of described inner surface, described leakage structure includes the first opening being arranged at described inner surface, it is arranged at the second opening of described side surface and connects described first opening and the leakage channel of described second opening.The loudspeaker enclosure output tonequality of the offer of the present invention is high and processing technology is simple.

Description

Loudspeaker enclosure
[technical field]
The present invention relates to a kind of acoustic-electric conversion art, particularly relate to a kind of loudspeaker enclosure.
[background technology]
Along with the fast development of science and technology, the popularity rate of audio frequency apparatus is more and more higher, and people are to the requirement of audio frequency apparatus not only It is only limitted to the broadcasting of video/audio, more requires that the reliability to audio frequency apparatus proposes more requirements.The arrival in especially 4G epoch, Technology of Mobile Multimedia develops the most therewith, and a lot of audio frequency apparatuses have multiple amusement function, such as video playback, digital vedio recording, trip Play, GPS navigation etc., be desirable that the electronic devices and components in audio frequency apparatus are the most accurate and compact, but, electronic devices and components are more Many, the reliability of audio frequency apparatus is the poorest.
And in audio frequency apparatus, loudspeaker enclosure is exactly a kind of conventional electronic devices and components.The loudspeaker enclosure of correlation technique goes out Sound mouth has bigger resistance or leads sound passage when having bigger damping, and the intermediate frequency sound wave distortion of loudspeaker enclosure can be the highest, has a strong impact on The tonequality that loudspeaker enclosure sends.Additionally, due to the ante-chamber resonance of loudspeaker enclosure can amplify radio-frequency component produces high-frequency noise, equally Also the tonequality of the sound that loudspeaker enclosure sends can be affected.
Therefore, it is necessary to provide a kind of new loudspeaker enclosure to solve the problems referred to above.
[summary of the invention]
It is an object of the invention to provide a kind of output tonequality height and the simple loudspeaker enclosure of processing technology.
Technical scheme is as follows: a kind of loudspeaker enclosure, including housing, the speaker list that is contained in described housing Body and be opened in the leakage structure of described housing, described loudspeaker monomer includes the vibrating diaphragm for vibration sounding, described vibrating diaphragm with Described housing interval arranges the operatic tunes before formation, and described loudspeaker enclosure also includes that connecting the described front operatic tunes leads sound passage with extraneous, The described front operatic tunes and described sound passage of leading collectively form ante-chamber, and described housing includes with described loudspeaker monomer jointly around formation Upper surface that the inner surface of described ante-chamber is oppositely arranged with described inner surface and be connected described upper surface and the side of described inner surface Surface, described leakage structure include being arranged at described inner surface the first opening, be arranged at the second opening of described side surface with And connect described first opening and the leakage channel of described second opening.
Preferably, described housing includes roof and the sidewall extended from described roof, described in lead sound passage and run through described side Wall.
Preferably, described inner surface include being arranged at described roof and just to the first inner surface of described loudspeaker monomer and Leading the second inner surface of sound passage described in being formed, described side surface includes being arranged at roof and away from described sound passage of leading First side surface, described first opening is arranged at described first inner surface, and described second opening is arranged at described first side surface.
Preferably, described housing is provided with the groove formed from described upper surface to described first inner surface depression, described recessed Groove include bottom land, described leakage channel include running through described bottom land the first passage connecting the first opening, from described bottom land to Described first inner surface depression forms and connects described first passage and extraneous second channel and assembles in described groove And cover described first passage and the cover plate of described second channel.
Preferably, the surface of described cover plate the most described loudspeaker monomer side and described upper surface are in same plane.
Preferably, described first passage is circular channel, and described second channel is rectangular channel.
Preferably, the width of described second channel is less than the diameter of described first passage.
Preferably, described cover plate is made up of poly terephthalic acid class plastics
The beneficial effects of the present invention is: add the leakage structure for being in communication with the outside by ante-chamber in the housing with broken The integrity of bad described front cavity volume, reduces described ante-chamber to radio-frequency component and the amplification of high-frequency noise, slows down simultaneously Air pressure level in described ante-chamber, when outlet sound mouth has bigger resistance or damping, reduces described ante-chamber endogenous cause of ill air non-thread Property and cause the sound of output that the amplitude of fluctuation occurs, improve the degree of stability of sound of described loudspeaker enclosure output;By One passage, second channel and cover plate cooperatively form leakage channel and replace housing self to offer leakage channel, reduce adding of housing Work difficulty;Described leakage structure has bigger damping, the higher hamonic wave absorbed in sound is had preferable effect, and therefore drops The low restriction to opening size, simplifies the processing technology of described loudspeaker enclosure;The width of described second channel is arranged to Less than the diameter of described first passage, cause air to be only capable of in narrow described leakage channel circulation, improve institute further State the acoustic resistance revealing structure, make described loudspeaker enclosure obtain more preferably acoustical behavior.
[accompanying drawing explanation]
Fig. 1 is the axonometric chart 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 sectional view of 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 chart that loudspeaker enclosure of the present invention has leakage path and No leakage passage.
[detailed description of the invention]
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Please refer to Fig. 1 to Fig. 4, wherein Fig. 1 is the axonometric chart of loudspeaker enclosure of the present invention;Fig. 2 is speaker 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 sectional view of line A-A along Fig. 1.Described loudspeaker enclosure 100 include housing 1, the loudspeaker monomer 2 being contained in described housing 1, the leakage structure 4 being arranged on described housing 1, flexibility Circuit board 5 and Air Filter 6.
Described housing 1 includes upper shell 11 and assembles the lower house 13 forming receiving space with described upper shell 11.Described Upper shell 11 includes roof 111 and the sidewall 113 extended from described roof 111.Described upper shell 11 include inner surface 11a and Upper surface 11b that described inner surface 11a is oppositely arranged and connect described inner surface 11a and the side surface of described upper surface 11b 11c.Described inner surface 11a include being arranged at described roof 111 and just to the first inner surface 111a of described loudspeaker monomer 2 and It is arranged at described sidewall 113 and the second inner surface 113a being connected with described first inner surface 111a.Described second inner surface 113a leads sound passage 33 around formation.Described side surface 11c include being arranged at described roof 111 and dorsad described in lead sound passage 33 The first side surface 111c.
Described loudspeaker monomer 2 includes the vibrating diaphragm 21 for vibration sounding.Described vibrating diaphragm 21 and described upper shell 11 are spaced Arranging the operatic tunes 31 before formation, concrete, the space between the first inner surface 111a and the described vibrating diaphragm 21 of described roof 111 is front The operatic tunes 31.Described sound passage 33 of leading for connecting the described front operatic tunes 31 with extraneous, described in lead sound passage 33 and connect the one end in the external world Opening is outlet sound mouth 331, and described outlet sound mouth 331 is arranged on described sidewall 113.The described front operatic tunes 31 and described lead sound passage 33 Collectively forming ante-chamber 3, the sound that described loudspeaker monomer 2 sends is sent to the external world by described ante-chamber 3.
Described leakage structure 4 is used for connecting described ante-chamber 3 and outside air, plays the work regulating described ante-chamber 3 internal gas pressure With, reduce described ante-chamber 3 and cause output sound that the amplitude of fluctuation occurs because of air nonlinearity, improve described loudspeaker enclosure 100 The stability of the sound of output.Described leakage structure 4 includes being arranged at first opening 41 of described inner surface 11a, being arranged at institute State second opening 43 of side surface 11c and connect described first opening 41 and the leakage channel 45 of described second opening 43.Institute State the first opening 41, described second opening 43 and described leakage channel 45 all by being processed into described upper shell 11.
Described roof 111 is provided with the groove formed from described upper surface 11b to described first inner surface 111a direction depression 1111, described groove 1111 includes that bottom land 1112, described leakage channel 45 include running through described bottom land 1112 and connecting described The first passage 451 of one opening 41, form and connect described the from described bottom land 1112 to described first inner surface 111a depression One passage 451 and extraneous second channel 453 and assemble in described groove 1111 and cover described first passage 451 and institute State the cover plate 455 of second channel 453.The surface of described cover plate 455 the most described loudspeaker monomer 2 side and described upper surface 11b is in same plane.
Described leakage structure 4 destroys the integrity of described ante-chamber 3 volume, reduces the amplification of the resonance of described ante-chamber 3 Effect, thus improve the distortion of intermediate frequency sound wave, reduce radio-frequency component and high-frequency noise.Additionally, it is low in described loudspeaker enclosure 100 Frequently the wavelength of sound wave is longer, and described first opening 41 bore less and described outlet sound mouth 331 relative aperture is relatively big, and low-frequency sound holds very much Easily going out from described outlet sound mouth 331, the most described leakage structure 4 is less on the impact of low-frequency sound wave, mainly for improving intermediate frequency Tonequality with high frequency sound wave.
Described first opening 41 is circular open, and described first passage 451 is circular channel, and described second opening 43 is square Shape opening, described second channel 453 is rectangular channel, and the width of described second channel 453 is less than described first passage 451 Diameter, causes air to be only capable of from narrow described leakage channel 45 circulation, improves the sound of described leakage structure 4 further Resistance, makes described speaker 100 obtain more preferably acoustical behavior.
Described flexible PCB 5 provides electric energy for described loudspeaker monomer 2.
Described Air Filter 6 is sheathed on described outlet sound mouth 331, prevents the foreign body in the external world and dust from entering described ante-chamber 3, shadow Ring the effect of the sound of the output of described loudspeaker enclosure 100.
Refer to Fig. 5, have leak holes and the distortion data experiment curv figure without leak holes for loudspeaker enclosure of the present invention.Wherein Curve I is the loudspeaker enclosure distortion data experiment curv without described leak holes, and curve II has for loudspeaker enclosure 100 of the present invention The distortion data experiment curv of described leak holes.Can be seen that the intermediate frequency of the described loudspeaker enclosure 100 with described leak holes loses Really spend well below the described speaker not having described leak holes.
Refer to Fig. 6, have leak holes and the frequency response data experiment curv figure without leak holes for loudspeaker enclosure of the present invention. Wherein curve I is the loudspeaker enclosure frequency response data experiment curv without described leak holes, and curve II is raised one's voice for of the present invention Device case 100 has the frequency response measurement curve of described leak holes.Can be seen that the described loudspeaker enclosure 100 with described leak holes Its high-frequency resonant is more weak and resonance peak is lower compared with the described loudspeaker enclosure without described leak holes, the sound therefore sent Sound sense of hearing is more preferable.It can also be seen that simultaneously, with or without described leak holes, described loudspeaker enclosure 100 is sent the effective band of sound also Not impact.
Referring to Fig. 7 is the higher hamonic wave DATA REASONING curve that loudspeaker enclosure of the present invention has leakage path and No leakage passage Figure.Wherein curve I is the loudspeaker enclosure frequency response data experiment curv without described leakage channel 45, and curve II is institute of the present invention State loudspeaker enclosure 100 and have the frequency response measurement curve of described leakage channel 45.Can be seen that have simultaneously described leak holes and The described loudspeaker enclosure 100 of described leakage channel 45 does not the most have the described of described leakage channel 45 with only having described leak holes Loudspeaker enclosure is compared, and its higher hamonic wave is considerably lower, and the tonequality of the sound of output is higher.
The beneficial effects of the present invention is: add the leakage structure 4 for being in communication with the outside by ante-chamber 3 within the case 1 To destroy the integrity of described ante-chamber 3 volume, reduce described ante-chamber 3 to radio-frequency component and the amplification of high-frequency noise, with Time slow down the air pressure level in described ante-chamber 3, outlet sound mouth 331 have bigger resistance or damping time, reduce in described ante-chamber 3 There is the amplitude of fluctuation in the sound causing output because of air nonlinearity, improves the sound of described loudspeaker enclosure 100 output Degree of stability;Cooperatively form leakage channel 45 by first passage 451, second channel 453 and cover plate 455 and reduce adding of housing 1 Work difficulty;Described leakage structure 4 has bigger damping, has a preferable effect to the higher hamonic wave absorbed in sound, and therefore Reduce the restriction to opening 41 size, simplify the processing technology of described loudspeaker enclosure 100;By described second channel 453 Width is set smaller than the diameter of described first passage 451, causes air to be only capable of in narrow described leakage channel 45 circulation, Improve the acoustic resistance of described leakage structure 4 further, make described loudspeaker enclosure 100 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, it is also possible to make improvement, but these belong to the protection model of the present invention Enclose.

Claims (8)

1. a loudspeaker enclosure, including housing and the loudspeaker monomer being contained in described housing, described loudspeaker monomer includes Arranging the operatic tunes before formation for the vibrating diaphragm of vibration sounding, described vibrating diaphragm and described housing interval, described loudspeaker enclosure also includes even The logical described front operatic tunes and extraneous lead sound passage, the described front operatic tunes and described sound passage of leading collectively form ante-chamber, it is characterised in that Described loudspeaker enclosure also includes revealing structure, and described housing includes with described loudspeaker monomer jointly around forming described ante-chamber Upper surface that inner surface is oppositely arranged with described inner surface and be connected described upper surface and the side surface of described inner surface, described Reveal structure to include being arranged at the first opening of described inner surface, be arranged at the second opening of described side surface and connect described First opening and the leakage channel of described second opening.
Loudspeaker enclosure the most according to claim 1, it is characterised in that described housing includes roof and extends from described roof Sidewall, described in lead sound passage and run through described sidewall.
Loudspeaker enclosure the most according to claim 2, it is characterised in that described inner surface includes being arranged at described roof just To the first inner surface of described loudspeaker monomer with around leading the second inner surface of sound passage described in being formed, described side surface includes Being arranged at roof and away from described the first side surface leading sound passage, described first opening is arranged at described first inner surface, institute State the second opening and be arranged at described first side surface.
Loudspeaker enclosure the most according to claim 1, it is characterised in that described housing is provided with from described upper surface in described The groove that surface indentation is formed, described groove includes that bottom land, described leakage channel include running through described bottom land and connecting first opening Mouthful first passage, from described bottom land to described inner surface depression formed and connect described first passage and the second of the second opening Passage and assemble in described groove and cover described first passage and the cover plate of described second channel.
Loudspeaker enclosure the most according to claim 4, it is characterised in that described first passage is circular channel, described second Passage is rectangular channel.
Loudspeaker enclosure the most according to claim 4, it is characterised in that the width of described second channel leads to less than described first The diameter in road.
Loudspeaker enclosure the most according to claim 4, it is characterised in that described cover plate the most described loudspeaker monomer side Surface and described upper surface are in same plane.
Loudspeaker enclosure the most according to claim 4, it is characterised in that described cover plate is by poly terephthalic acid class plastics system Become.
CN201610573812.4A 2016-07-20 2016-07-20 Loudspeaker enclosure Active CN106101955B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106101955B CN106101955B (en) 2019-10-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108055615A (en) * 2017-11-28 2018-05-18 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN110536189A (en) * 2019-07-23 2019-12-03 瑞声科技(新加坡)有限公司 Microphone device and mobile terminal
WO2020232728A1 (en) * 2019-05-22 2020-11-26 瑞声声学科技(深圳)有限公司 Sound production device
WO2021000101A1 (en) * 2019-06-29 2021-01-07 瑞声声学科技(深圳)有限公司 Loudspeaker box

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* Cited by examiner, † Cited by third party
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
US20130070943A1 (en) * 2011-09-20 2013-03-21 Fih (Hong Kong) Limited Loudspeaker protection assembly and electronic device with the same
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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
US20130070943A1 (en) * 2011-09-20 2013-03-21 Fih (Hong Kong) Limited Loudspeaker protection assembly and electronic device with the same
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108055615A (en) * 2017-11-28 2018-05-18 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN108055615B (en) * 2017-11-28 2020-02-04 瑞声科技(新加坡)有限公司 Loudspeaker box
WO2020232728A1 (en) * 2019-05-22 2020-11-26 瑞声声学科技(深圳)有限公司 Sound production 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

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