CN208638568U - Loudspeaker enclosure - Google Patents

Loudspeaker enclosure Download PDF

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Publication number
CN208638568U
CN208638568U CN201821284218.4U CN201821284218U CN208638568U CN 208638568 U CN208638568 U CN 208638568U CN 201821284218 U CN201821284218 U CN 201821284218U CN 208638568 U CN208638568 U CN 208638568U
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CN
China
Prior art keywords
retaining
cavity
cover
loudspeaker enclosure
accommodating space
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Active
Application number
CN201821284218.4U
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Chinese (zh)
Inventor
印兆宇
陈志臣
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AAC Technologies Pte Ltd
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AAC Technologies Pte Ltd
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Priority to CN201821284218.4U priority Critical patent/CN208638568U/en
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Abstract

The utility model discloses a kind of loudspeaker enclosure comprising has shell, the sounding monomer being contained in the accommodating space and the breathable barrier of accommodating space and the retaining wall being formed in the accommodating space;The sounding monomer includes the vibrating diaphragm for vibration sounding, the accommodating space is separated into ante-chamber and back cavity by the vibrating diaphragm, the back cavity is divided into interconnected the first back cavity and the second back cavity by the retaining wall, the sounding monomer is located at first back cavity, sound-absorbing particle is filled in second back cavity, the sound-absorbing particle is packaged in second back cavity by the breathable barrier, the retaining wall includes the first retaining wall and bends the second retaining wall for extending to form from first retaining wall, first retaining wall and second retaining wall are equipped with the through-hole through thereon, the breathable barrier is individually fixed in first retaining wall and second retaining wall and the corresponding through-hole is completely covered.The loudspeaker enclosure frequency acoustic performance of the utility model is good.

Description

Loudspeaker enclosure
[technical field]
The utility model relates to a kind of electroacoustic device more particularly to a kind of loudspeaker enclosures.
[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 loudspeaking case of the relevant technologies includes the shell with accommodating space, the sounding list being contained in the accommodating space Body and breathable barrier and the retaining wall being formed in the accommodating space;The sounding monomer includes the vibration for vibration sounding The accommodating space is separated into ante-chamber and back cavity by film, the vibrating diaphragm, and the retaining wall is equipped with the through-hole run through thereon and will be described Back cavity is divided into interconnected the first back cavity and the second back cavity, and the sounding monomer is located at first back cavity, and described second Sound-absorbing particle is filled in back cavity, the breathable barrier is fixed on the retaining wall and the through-hole is completely covered, and by the suction Sound particle is packaged in second back cavity, so as to improve the frequency acoustic performance of the loudspeaker enclosure.
However, in the loudspeaker enclosure of the relevant technologies, the first back cavity and the second back cavity can only by intermediate one it is ventilative every Off member carries out gas circulation, and circulation area is less, and frequency acoustic performance is poor.
Therefore, it is really necessary to provide a kind of new loudspeaker enclosure solution above-mentioned technical problem.
[utility model content]
The purpose of this utility model is to provide a kind of loudspeaker enclosures that frequency acoustic performance is good.
In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure comprising the shell with accommodating space Body, the sounding monomer being contained in the accommodating space and breathable barrier and the retaining wall being formed in the accommodating space; The sounding monomer includes the vibrating diaphragm for vibration sounding, and the accommodating space is separated into ante-chamber and back cavity by the vibrating diaphragm, institute It states retaining wall and the back cavity is divided into interconnected the first back cavity and the second back cavity, after the sounding monomer is located at described first Chamber, second back cavity is interior to fill sound-absorbing particle, and the sound-absorbing particle is packaged in second back cavity by the breathable barrier Interior, the retaining wall includes the first retaining wall and bends the second retaining wall for extending to form from first retaining wall, first retaining wall and Second retaining wall is equipped with the through-hole through thereon, and the breathable barrier is individually fixed in first retaining wall and described the Two retaining walls and the corresponding through-hole is completely covered.
Preferably, first retaining wall is arranged perpendicular to second retaining wall.
Preferably, the retaining wall and the breathable barrier are integrally formed by injection molding manner.
Preferably, the shell includes upper cover and is covered on the upper cover and is collectively formed under the accommodating space Lid, the retaining wall are extended to form from the upper cover to the lower cover direction.
Preferably, the lower cover and the retaining wall are sealed by ultrasonic bonding fixes.
Preferably, it is filled out between the lower cover and the retaining wall and sets sealant, the lower cover and institute are made by the sealant It states retaining wall and forms sealing fixation.
Preferably, the sealant is glue-line or foam.
Preferably, the breathable barrier is fixed on the side close to first back cavity of the retaining wall.
Compared with the relevant technologies, the retaining wall that the loudspeaker enclosure of the utility model is formed in the accommodating space is by institute It states back cavity and is separated into the first back cavity and the second back cavity, the retaining wall includes the first retaining wall and bends extension shape from first retaining wall At the second retaining wall, first retaining wall and second retaining wall are equipped with the through-hole through thereon, first back cavity and institute It states the second back cavity to be interconnected by the through-hole on the retaining wall, breathable barrier is individually fixed in first retaining wall and second Retaining wall and the corresponding through-hole is completely covered, and the sound-absorbing particle is packaged in second back cavity, the retaining wall warp After being extended, entire length effectively extends, and the quantity of through-hole increases, and the gross area of the through-hole increases, correspondingly, described the The connection area of one back cavity and second back cavity increases, and propagation path of the sound wave in the space is further increased, low Frequency acoustical behavior is more preferable.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:
Fig. 1 is the schematic perspective view of the utility model loudspeaker enclosure;
Fig. 2 is the part isometric structural exploded view of the utility model loudspeaker enclosure;
Fig. 3 is the cut-away view of the line A-A along Fig. 1.
[specific embodiment]
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.
Refering to fig. 1-3, the utility model provide a kind of loudspeaker enclosure 100, including shell, sounding monomer 3, retaining wall 4 with And breathable barrier 5.
In present embodiment, the shell includes upper cover 1 and lower cover 2, and the lid of lower cover 2, which is set, is fixed on the upper cover 1 simultaneously Accommodating space 10 is collectively formed.
The upper cover 1 includes with the lower cover 2 upper cover ontology 11 disposed in parallel and by the periphery of the upper cover ontology 11 The support level portion 12 extended to 2 direction of lower cover, the periphery of the lower cover 2 bear against the support level portion 12 and are formed Sealing is fixed.For example, the upper cover 1 and the lower cover 2 form sealing by ultrasonic bonding and fix, gluing can also be passed through certainly Mode or other means is realized.
The lower cover 2 includes the first cover board 21, the second cover board 22 and connection first cover board 21 and second lid The connecting plate 23 of plate 22.First cover board 21 is parallel to each other with second cover board 22 and is located at different two plane.
The sounding monomer 3 is contained in the accommodating space 10, and the sounding monomer 3 and the upper cover 1 surround ante-chamber 101, it is used for sounding.In present embodiment, the sounding monomer 3 includes the vibrating diaphragm 31 for vibration sounding, and the vibrating diaphragm 31 will The accommodating space 10 is separated into ante-chamber 101 and back cavity 102.Specifically, the vibrating diaphragm 31 is formed with the setting of the upper cover 1 interval The preceding operatic tunes 6 forms in the accommodating space and leads sound channel 7, for example described lead sound channel 7 and be formed in the upper cover 1.It is described to lead sound The preceding operatic tunes 6 is in communication with the outside and the ante-chamber 101 is collectively formed by channel 7.And side then can be achieved in the sound channel 7 of leading Vocal structure.The sounding monomer 3, the lower cover 2 and the upper cover 1 surround back cavity 102 jointly, for improving frequency acoustic Performance.
The retaining wall 4 is formed in the accommodating space 10, and in present embodiment, the retaining wall 4 is from the upper cover 1 to institute 2 direction of lower cover is stated to extend to form.
The back cavity 102 is divided into interconnected by the retaining wall 4 equipped with the through-hole 40 and the retaining wall 4 run through thereon First back cavity 1021 and the second back cavity 1022, i.e., described first back cavity 1021 and second back cavity 1022 pass through the through-hole 40 It is interconnected.The sounding monomer 3 is located in first back cavity 1021, fills sound-absorbing particle in second back cavity 1022, For example, the sound-absorbing particle is zeolite granular.
In present embodiment, the retaining wall 4 includes the first retaining wall 41 and extends to form from first retaining wall 41 bending Second retaining wall 42, first retaining wall 41 and second retaining wall 42 are equipped with the through-hole 40 through thereon.
Specifically, first retaining wall 41 and second retaining wall 42 are equipped with spaced two through-holes 40, as a result, Increase effectively the connection area of first back cavity and the second back cavity.
Certainly, the through-hole can also have one through-hole of setting in other setting forms, such as first retaining wall 41 Or multiple spaced through-holes, a through-hole or multiple spaced through-holes are set on second retaining wall 42.
Specifically, first retaining wall 41 is arranged perpendicular to second retaining wall 42, first retaining wall 41, described second Retaining wall 42 and the upper cover 1 are enclosed jointly to be set to form second back cavity 1022, and first retaining wall 41 is perpendicular to described second The not only convenient length for extending the retaining wall of retaining wall 42, increases the connection area of first back cavity and the second back cavity, also Conducive to retaining wall molding.
Certainly, the retaining wall 4 can also have other setting forms, for example first retaining wall, second retaining wall are equal Arc-shaped structure, first retaining wall, second retaining wall connect the retaining wall to be formed integrally U-shaped structure or c-type structure; The retaining wall is integrally square;The length for the extension retaining wall that even oval, polygon of the retaining wall etc. can be different degrees of, Increase the connection area of the first back cavity and the second back cavity.
In present embodiment, first cover board 21, the connecting plate 23 and second cover board 22 are integrally formed Structure.Therefore, when three parts of the lower cover 2 are covered on institute's upper cover 1, it is only necessary to primary lid, which is set, can be completed assembly, then Sealing is formed by different fixed forms to fix, not only saves assembly process, while reducing mold requirement and production dress With cost.
For example, first cover board 21 and second cover board 22 pass through ultrasonic bonding mode and 1 shape of upper cover It is fixed at sealing.The lower cover 2 forms sealing by ultrasonic bonding with the retaining wall 4 and fixes, so that after described first Chamber 1021 and second back cavity 1022 are mutually isolated.Certainly, it can also be set by filling out between the lower cover 2 and the retaining wall 4 Sealant makes to form sealing between the connecting plate 23 and the retaining wall 4 by the sealant, for example, the sealant is Glue-line or the foam of filling for being formed by gluing etc., this is all feasible.
The breathable barrier 5 is individually fixed in the retaining wall 4 and the corresponding through-hole 40 is completely covered.It is described ventilative The sound-absorbing particle is packaged in second back cavity 1022 by separator 5, so that second back cavity 1022 forms Virtual Sound Chamber effectively improves the frequency acoustic of the loudspeaker enclosure 100 to increase propagation path of the sound wave in the space Energy.It should be noted that the breathable barrier 5 allows air to pass through mutually circulation, but other materials is prevented mutually to circulate.
More preferably, the breathable barrier 5 is fixed on the side close to first back cavity 1021 of the retaining wall 4.It should The position setting of structure increases the effective volume of second back cavity 1022, further improves frequency acoustic performance.
More preferably, the breathable barrier 5 is integrally formed by injection molding manner and the retaining wall 4.It improves as a result, described The assembly efficiency of retaining wall and the breathable barrier, improves Forming Quality.
Compared with the relevant technologies, the retaining wall that the loudspeaker enclosure of the utility model is formed in the accommodating space is by institute It states back cavity and is separated into the first back cavity and the second back cavity, the retaining wall includes the first retaining wall and bends extension shape from first retaining wall At the second retaining wall, first retaining wall and second retaining wall are equipped with the through-hole through thereon, first back cavity and institute It states the second back cavity to be interconnected by the through-hole on the retaining wall, breathable barrier is individually fixed in first retaining wall and second Retaining wall and the corresponding through-hole is completely covered, and the sound-absorbing particle is packaged in second back cavity, the retaining wall warp After being extended, entire length effectively extends, and the quantity of through-hole increases, and the gross area of the through-hole increases, correspondingly, described the The connection area of one back cavity and second back cavity increases, and propagation path of the sound wave in the space is further increased, low Frequency acoustical behavior is more preferable.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (8)

1. a kind of loudspeaker enclosure comprising shell, the sounding monomer that is contained in the accommodating space with accommodating space and Breathable barrier and the retaining wall being formed in the accommodating space;The sounding monomer includes the vibrating diaphragm for vibration sounding, The accommodating space is separated into ante-chamber and back cavity by the vibrating diaphragm, and the back cavity is divided into interconnected first by the retaining wall Back cavity and the second back cavity, the sounding monomer are located at first back cavity, and sound-absorbing particle is filled in second back cavity, described The sound-absorbing particle is packaged in second back cavity by air bound off member, which is characterized in that the retaining wall include the first retaining wall and The second retaining wall extended to form is bent from first retaining wall, first retaining wall and second retaining wall are equipped with through thereon Through-hole, the breathable barrier is individually fixed in first retaining wall and second retaining wall and is completely covered corresponding described Through-hole.
2. loudspeaker enclosure according to claim 1, which is characterized in that first retaining wall is set perpendicular to second retaining wall It sets.
3. loudspeaker enclosure according to claim 1, which is characterized in that the retaining wall and the breathable barrier pass through injection molding Mode is integrally formed.
4. loudspeaker enclosure according to claim 1, which is characterized in that the shell includes upper cover and is covered on described The lower cover of the accommodating space is covered and is collectively formed, the retaining wall is extended to form from the upper cover to the lower cover direction.
5. loudspeaker enclosure according to claim 4, which is characterized in that the lower cover and the retaining wall pass through ultrasonic bonding Sealing is fixed.
6. loudspeaker enclosure according to claim 4, which is characterized in that filled out between the lower cover and the retaining wall and set sealing Layer makes the lower cover and the retaining wall form sealing and fixes by the sealant.
7. loudspeaker enclosure according to claim 6, which is characterized in that the sealant is glue-line or foam.
8. loudspeaker enclosure according to claim 1, which is characterized in that the breathable barrier is fixed on leaning on for the retaining wall The side of nearly first back cavity.
CN201821284218.4U 2018-08-09 2018-08-09 Loudspeaker enclosure Active CN208638568U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821284218.4U CN208638568U (en) 2018-08-09 2018-08-09 Loudspeaker enclosure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821284218.4U CN208638568U (en) 2018-08-09 2018-08-09 Loudspeaker enclosure

Publications (1)

Publication Number Publication Date
CN208638568U true CN208638568U (en) 2019-03-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821284218.4U Active CN208638568U (en) 2018-08-09 2018-08-09 Loudspeaker enclosure

Country Status (1)

Country Link
CN (1) CN208638568U (en)

Cited By (3)

* 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
CN111954129A (en) * 2020-08-14 2020-11-17 美特科技(苏州)有限公司 Loudspeaker module
WO2020258571A1 (en) * 2019-06-25 2020-12-30 歌尔股份有限公司 Sound chamber structure, and acoustic electronic apparatus having same

Cited By (3)

* 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
WO2020258571A1 (en) * 2019-06-25 2020-12-30 歌尔股份有限公司 Sound chamber structure, and acoustic electronic apparatus having same
CN111954129A (en) * 2020-08-14 2020-11-17 美特科技(苏州)有限公司 Loudspeaker module

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