CN109218897A - Loudspeaker enclosure - Google Patents

Loudspeaker enclosure Download PDF

Info

Publication number
CN109218897A
CN109218897A CN201810902998.2A CN201810902998A CN109218897A CN 109218897 A CN109218897 A CN 109218897A CN 201810902998 A CN201810902998 A CN 201810902998A CN 109218897 A CN109218897 A CN 109218897A
Authority
CN
China
Prior art keywords
cover
cavity
loudspeaker enclosure
hole
sounding monomer
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.)
Withdrawn
Application number
CN201810902998.2A
Other languages
Chinese (zh)
Inventor
单威
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
Original Assignee
AAC Technologies Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AAC Technologies Pte Ltd filed Critical AAC Technologies Pte Ltd
Priority to CN201810902998.2A priority Critical patent/CN109218897A/en
Publication of CN109218897A publication Critical patent/CN109218897A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics

Abstract

The present invention provides a kind of loudspeaker enclosure, including upper cover, lower cover, sounding monomer, breathable barrier and walls;The sounding monomer and the upper cover surround ante-chamber, the sounding monomer and the upper cover and the lower cover surrounds back cavity jointly;The wall is extended from the lower cover to the upper cover direction, and the edge of the correspondence of the upper cover bounding wall portions is connected to the wall and the back cavity is divided into the first back cavity and the second back cavity jointly with the wall;The wall is equipped with the through-hole through thereon, and the sounding monomer is located at first back cavity;The breathable barrier is fixed on the wall and second back cavity is divided into second operatic tunes and the second compensated cavity, and second operatic tunes is connected to by the through-hole with first back cavity, and sound-absorbing particle is filled in second compensated cavity.Compared with the relevant technologies, loudspeaker enclosure frequency acoustic performance of the invention is more excellent and good reliability.

Description

Loudspeaker enclosure
[technical field]
The present invention relates to acoustic-electric field more particularly to a kind of loudspeaker enclosures for applying to portable electronic product.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just It is the music function of high-quality, therefore, the loudspeaker enclosure for playing sound is widely applied Intelligent mobile equipment till now Among.
The loudspeaker enclosure of the relevant technologies includes upper cover, be covered on the upper cover and surround accommodating space lower cover and It is contained in the intracorporal sounding monomer of the shell;The sounding monomer and the upper cover surround ante-chamber, the sounding monomer with it is described Upper cover and the lower cover surround back cavity jointly;The upper cover extends to form wall to the lower cover direction, and the wall will be described Back cavity is separated into mutual the first back cavity of air communication and the second back cavity, and the sounding monomer is located at first back cavity, and described Sound-absorbing particle is filled in two back cavities, the end cap close to the lower cover of the wall sets breathable barrier, the ventilative isolation The sound-absorbing particle is packaged in second back cavity by part, described to form the virtual operatic tunes (space DBASS) described in improvement The frequency acoustic performance of loudspeaker enclosure.
However, the wall is the hot melt step of a circle width 0.5mm, in the loudspeaker enclosure of the relevant technologies to keep away Upper cover assembly features structure is scalded when exempting to heat fixed ventilation separator, needs to reserve the avoiding space of at least 0.2mm width, so Breathable barrier is thermally melted on wall again afterwards.The structure cannot effectively make full use of back cavity volume, limit its frequency acoustic The improvement of performance.
Therefore, a kind of new loudspeaker enclosure solution above-mentioned technical problem must be provided by having in fact.
[summary of the invention]
Excellent and good reliability the loudspeaker enclosure the purpose of the present invention is to provide a kind of frequency acoustic performance.
In order to achieve the above object, the present invention provides a kind of loudspeaker enclosures comprising upper cover is covered on the upper cover simultaneously Sounding monomer, breathable barrier and the wall for surrounding the lower cover of accommodating space jointly, being contained in the accommodating space;It is described Sounding monomer and the upper cover surround ante-chamber, the sounding monomer and the upper cover and the lower cover surrounds back cavity jointly;It is described Wall is extended to form from the lower cover to the upper cover direction, and the edge of the correspondence of the upper cover bounding wall portions is connected to institute It states wall and the back cavity is divided into the first back cavity and the second back cavity jointly with the wall;The wall is equipped with through thereon Through-hole, the sounding monomer is located at first back cavity;The breathable barrier, which is sticked, is fixed on the close institute of the wall It states one end of upper cover and second back cavity is divided into second operatic tunes and the second compensated cavity of mutual air communication, described second The operatic tunes is connected to by the through-hole with first back cavity, and sound-absorbing particle, the ventilative isolation are filled in second compensated cavity The sound-absorbing particle is packaged in second compensated cavity by part.
Preferably, the upper cover is equipped with the powder filling hole through thereon, and the powder filling hole is connected to second compensated cavity.
Preferably, the breathable barrier is fixed on the wall by hot melting way.
Preferably, the height of the wall is 0.8mm~1mm.
Preferably, a height of 0.4mm~0.5mm in the hole of the through-hole.
Preferably, the sounding monomer has vibrating diaphragm, and the ante-chamber is formed between the vibrating diaphragm and the upper cover, described First back cavity is formed between the vibrating diaphragm and the lower cover.
Preferably, the upper cover includes the roof of vibrating diaphragm described in face and extends from the roof towards the lower cover direction Side wall;The ante-chamber includes the roof and the vibrating diaphragm surrounds the preceding operatic tunes and it is opened in the side wall and by the preceding sound The sound mouth that chamber is in communication with the outside.
Compared with the relevant technologies, loudspeaker enclosure of the invention forms the wall in the lower cover, while by pair of upper cover Should the edges of bounding wall portions be connected to the wall and the back cavity be separated into the first back cavity and the second back cavity jointly, will be described Breathable barrier is sticked in the wall close to one end of the upper cover and is separated into second back cavity interconnected Second operatic tunes and the second compensated cavity, the wall, which is set, is connected to second operatic tunes and the first back cavity through through-hole thereon, described Filling sound-absorbing particle forms the virtual operatic tunes of DBASS in second compensated cavity, is effectively improved the frequency acoustic performance of the loudspeaker enclosure. Because the wall is formed in lower cover, and abut to form the second back cavity with upper cover, eliminate the hot melt step of original upper cover, without pair It heats the breathable barrier that is sticked to step down, can adjust the area of the breathable barrier and the volume of the second compensated cavity, The wall is corresponded into the part of the upper cover as the second compensated cavity, high degree, which improves, serves as the of the virtual operatic tunes The volume of two compensated cavities further improves the frequency acoustic performance of the loudspeaker enclosure.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing, in which:
Fig. 1 is the schematic perspective view of loudspeaker enclosure of the present invention;
Fig. 2 is the part isometric structural exploded view of loudspeaker enclosure of the present invention;
Fig. 3 is the line A-A cross-sectional view along Fig. 1.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-3, the present invention provides a kind of loudspeaker enclosures 100, including shell 1, sounding monomer 2, wall 3 And breathable barrier 4.
The shell 1 has accommodating space 10.The shell 1 can be structure as a whole, or separate structure, for example, In present embodiment, the shell 1 includes lower cover 11, covers with the lower cover 11 and merge and surround the upper of the accommodating space 10 jointly Lid 12.
The sounding monomer 2 is contained in the accommodating space 10 of the shell 1, and the sounding monomer 2 is by institute It states accommodating space 10 and is separated into ante-chamber 5 and back cavity 6.
Specifically, the sounding monomer 2 surrounds the ante-chamber 5 with the upper cover 12, it to be used for sounding;The sounding monomer 2 The back cavity 6 is surrounded jointly with the upper cover 12 and the lower cover 11, for improving frequency acoustic performance.
The upper cover 12, which is equipped with, runs through the powder filling hole 121 on altogether.
The wall 3 is extended to form from the lower cover 11 to 12 direction of upper cover, is enclosed described in the correspondence of the upper cover 12 The edge of 11 part of wall is connected to the wall 3 and the back cavity 6 is divided into the first back cavity 61 and jointly with the wall 3 Two back cavities 62.
In present embodiment, the sounding monomer 2 have vibrating diaphragm 21, the ante-chamber 5 be formed in the vibrating diaphragm 21 with it is described Between upper cover 12, first back cavity 61 is formed between the vibrating diaphragm 21 and the lower cover 11.
Specifically, the upper cover 12 includes the roof 122 of vibrating diaphragm 21 described in face and from the roof 122 towards under described The side wall 123 that 11 direction of lid extends;The ante-chamber 5 include the preceding operatic tunes 51 surrounded by the roof 122 with the vibrating diaphragm 21 and The sound mouth 52 for being opened in the side wall 123 and the preceding operatic tunes 51 being in communication with the outside forms side vocal structure.The filling Powder hole 121 is opened in the roof 122.
The wall 3 is equipped with the through-hole 31 through thereon, and first back cavity 61 passes through the through-hole 31 and described second Back cavity 62 is connected to.The sounding monomer 2 is located in first back cavity 61.
The breathable barrier 4 be sticked be fixed on the wall 3 close to the upper cover 12 one end and by described second Back cavity 62 is divided into second operatic tunes 621 and the second compensated cavity 622 of mutual air communication.The i.e. described wall 3,11 and of the lower cover Institute's breathable barrier 4 surrounds second operatic tunes 621 jointly;The breathable barrier 4 surrounds described jointly with the upper cover 12 Second compensated cavity 622.
Second operatic tunes 621 is connected to by the through-hole 31 with first back cavity 61;And second operatic tunes 621 with Second compensated cavity 622 forms air communication by breathable barrier.
Fill sound-absorbing particle (not shown) in second compensated cavity 622, the breathable barrier 4 is by the sound-absorbing particle It is packaged in second compensated cavity 622, so that the virtual operatic tunes of DBASS is formed, to improve frequency acoustic performance.
In present embodiment, the powder filling hole 121 opened up in the upper cover 12 is connected to second compensated cavity 622, The sound-absorbing particle is poured by the powder filling hole 121.
The breathable barrier 4 and the fixed form of the wall 3 are unlimited, can be to be sticked, injection molding etc., this embodiment party In formula, the breathable barrier 4 is fixed on the wall 3 by hot melting way.
Because the upper cover 12 needs fixed sounding monomer 2, sound channel (not labeled) etc. is led in formation, total and non-flat structure, And the lower cover 11 is a plate-like structure, when forming the wall 3 on the lower cover 11, is not necessarily in hot melt to other Structure is stepped down, and therefore, the volume size which surrounds can maximize setting, the second compensated cavity 622 being subsequently formed with increase Volume.And other structures, good reliability are damaged when without then avoiding hot melt to other structures resigning in hot melt.
Meanwhile because the wall 3 without step down design, therefore the height of the wall 3 can relative reduction, present embodiment In, the height of the wall 3 is 0.8mm~1mm.And be formed in a height of 0.4mm in hole of through-hole 31 described in the wall 3~ 0.5mm.When the given volume of second back cavity 62, when the height of the wall 3 reduces, that is, reducing described the The volume of two operatic tunes 621 is further effectively improved the loudspeaker enclosure 100 to increase the volume of second compensated cavity 622 Acoustical behavior.Certainly, above-mentioned size is without being limited thereto.
Compared with the relevant technologies, loudspeaker enclosure of the invention forms the wall in the lower cover, while by pair of upper cover Should the edges of bounding wall portions be connected to the wall and the back cavity be separated into the first back cavity and the second back cavity jointly, will be described Breathable barrier is sticked in the wall close to one end of the upper cover and is separated into second back cavity interconnected Second operatic tunes and the second compensated cavity, the wall, which is set, is connected to second operatic tunes and the first back cavity through through-hole thereon, described Filling sound-absorbing particle forms the virtual operatic tunes of DBASS in second compensated cavity, is effectively improved the frequency acoustic performance of the loudspeaker enclosure. Because the wall is formed in lower cover, and abut to form the second back cavity with upper cover, eliminate the hot melt step of original upper cover, without pair It heats the breathable barrier that is sticked to step down, can adjust the area of the breathable barrier and the volume of the second compensated cavity, The wall is corresponded into the part of the upper cover as the second compensated cavity, high degree, which improves, serves as the of the virtual operatic tunes The volume of two compensated cavities further improves the frequency acoustic performance of the loudspeaker enclosure.
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 comprising upper cover is covered on the upper cover and surrounds the lower cover of accommodating space jointly, is contained in institute State sounding monomer and the breathable barrier in accommodating space;The sounding monomer and the upper cover surround ante-chamber, the sounding list Body and the upper cover and the lower cover surround back cavity jointly, which is characterized in that the loudspeaker enclosure further include from the lower cover to The wall that the upper cover direction extends to form, the edge of the correspondence of the upper cover bounding wall portions be connected to the wall and with The back cavity is divided into the first back cavity and the second back cavity jointly by the wall;The wall is equipped with the through-hole through thereon, institute It states sounding monomer and is located at first back cavity;The breathable barrier be sticked be fixed on the wall close to the upper cover one End and second operatic tunes and the second compensated cavity that second back cavity is divided into mutual air communication, second operatic tunes pass through institute It states through-hole to be connected to first back cavity, fills sound-absorbing particle in second compensated cavity, the breathable barrier is by the suction Sound particle is packaged in second compensated cavity.
2. loudspeaker enclosure according to claim 1, which is characterized in that the upper cover is equipped with the powder filling hole through thereon, institute Powder filling hole is stated to be connected to second compensated cavity.
3. loudspeaker enclosure according to claim 1, which is characterized in that the breathable barrier is fixed on by hot melting way The wall.
4. loudspeaker enclosure according to claim 1, which is characterized in that the height of the wall is 0.8mm~1mm.
5. loudspeaker enclosure according to claim 4, which is characterized in that a height of 0.4mm~0.5mm in the hole of the through-hole.
6. loudspeaker enclosure according to claim 1, which is characterized in that the sounding monomer has vibrating diaphragm, the ante-chamber shape At between the vibrating diaphragm and the upper cover, first back cavity is formed between the vibrating diaphragm and the lower cover.
7. loudspeaker enclosure according to claim 6, which is characterized in that the upper cover include the roof of vibrating diaphragm described in face with And the side wall extended from the roof towards the lower cover direction;The ante-chamber includes the preceding sound that the roof and the vibrating diaphragm surround Chamber and the sound mouth for being opened in the side wall and the preceding operatic tunes being in communication with the outside.
CN201810902998.2A 2018-08-09 2018-08-09 Loudspeaker enclosure Withdrawn CN109218897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810902998.2A CN109218897A (en) 2018-08-09 2018-08-09 Loudspeaker enclosure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810902998.2A CN109218897A (en) 2018-08-09 2018-08-09 Loudspeaker enclosure

Publications (1)

Publication Number Publication Date
CN109218897A true CN109218897A (en) 2019-01-15

Family

ID=64988286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810902998.2A Withdrawn CN109218897A (en) 2018-08-09 2018-08-09 Loudspeaker enclosure

Country Status (1)

Country Link
CN (1) CN109218897A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109714678A (en) * 2018-12-31 2019-05-03 瑞声声学科技(深圳)有限公司 Loudspeaker enclosure
CN111510801A (en) * 2019-05-22 2020-08-07 汉得利(常州)电子股份有限公司 Miniature loudspeaker sound box with ultra-thin and ultra-low frequency structure
CN112153500A (en) * 2020-08-27 2020-12-29 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box
WO2021000179A1 (en) * 2019-06-30 2021-01-07 瑞声声学科技(深圳)有限公司 Loudspeaker module
WO2021000101A1 (en) * 2019-06-29 2021-01-07 瑞声声学科技(深圳)有限公司 Loudspeaker box
WO2021000153A1 (en) * 2019-06-30 2021-01-07 瑞声声学科技(深圳)有限公司 Speaker box
WO2021109176A1 (en) * 2019-12-03 2021-06-10 瑞声声学科技(深圳)有限公司 Loudspeaker box and terminal device
WO2021128008A1 (en) * 2019-12-24 2021-07-01 瑞声声学科技(深圳)有限公司 Loudspeaker box

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206433106U (en) * 2017-01-12 2017-08-22 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN207382566U (en) * 2017-10-23 2018-05-18 上海润欣科技股份有限公司 Loudspeaker enclosure
CN207531068U (en) * 2017-11-02 2018-06-22 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN108235195A (en) * 2018-01-05 2018-06-29 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN207612403U (en) * 2017-11-02 2018-07-13 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN108307279A (en) * 2018-01-29 2018-07-20 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN108366326A (en) * 2018-01-30 2018-08-03 瑞声科技(新加坡)有限公司 Loudspeaker enclosure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206433106U (en) * 2017-01-12 2017-08-22 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN207382566U (en) * 2017-10-23 2018-05-18 上海润欣科技股份有限公司 Loudspeaker enclosure
CN207531068U (en) * 2017-11-02 2018-06-22 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN207612403U (en) * 2017-11-02 2018-07-13 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN108235195A (en) * 2018-01-05 2018-06-29 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN108307279A (en) * 2018-01-29 2018-07-20 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN108366326A (en) * 2018-01-30 2018-08-03 瑞声科技(新加坡)有限公司 Loudspeaker enclosure

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109714678A (en) * 2018-12-31 2019-05-03 瑞声声学科技(深圳)有限公司 Loudspeaker enclosure
CN111510801A (en) * 2019-05-22 2020-08-07 汉得利(常州)电子股份有限公司 Miniature loudspeaker sound box with ultra-thin and ultra-low frequency structure
CN111510801B (en) * 2019-05-22 2021-03-12 汉得利(常州)电子股份有限公司 Miniature loudspeaker sound box with ultra-thin and ultra-low frequency structure
WO2021000101A1 (en) * 2019-06-29 2021-01-07 瑞声声学科技(深圳)有限公司 Loudspeaker box
WO2021000179A1 (en) * 2019-06-30 2021-01-07 瑞声声学科技(深圳)有限公司 Loudspeaker module
WO2021000153A1 (en) * 2019-06-30 2021-01-07 瑞声声学科技(深圳)有限公司 Speaker box
WO2021109176A1 (en) * 2019-12-03 2021-06-10 瑞声声学科技(深圳)有限公司 Loudspeaker box and terminal device
WO2021128008A1 (en) * 2019-12-24 2021-07-01 瑞声声学科技(深圳)有限公司 Loudspeaker box
CN112153500A (en) * 2020-08-27 2020-12-29 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box

Similar Documents

Publication Publication Date Title
CN109218897A (en) Loudspeaker enclosure
CN206433156U (en) Loudspeaker enclosure
CN108989944A (en) Loudspeaker enclosure
CN108235195A (en) Loudspeaker enclosure
CN108462906A (en) Loudspeaker enclosure
CN106851498A (en) Loudspeaker enclosure
CN206542568U (en) Loudspeaker enclosure
CN108307279A (en) Loudspeaker enclosure
CN207070332U (en) Loudspeaker module and electronic equipment
CN106982406A (en) Loudspeaker enclosure
CN109698994B (en) Loudspeaker
CN208317006U (en) Loudspeaker enclosure
CN207099326U (en) Loudspeaker enclosure
CN207968870U (en) A kind of loud speaker
CN108551635A (en) Microspeaker module
CN107371106A (en) Loudspeaker enclosure
CN208638693U (en) Loudspeaker enclosure
CN208638691U (en) Loudspeaker enclosure
CN109788395A (en) Loudspeaker enclosure
CN209390328U (en) Loudspeaker enclosure
CN208638569U (en) Loudspeaker enclosure
CN208924403U (en) Loudspeaker enclosure
CN105187960B (en) The method for making microphone device
CN207304902U (en) Loudspeaker module and electronic equipment
CN208638692U (en) Loudspeaker enclosure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20190115