CN107820173B - Loudspeaker enclosure and method of assembling the same - Google Patents
Loudspeaker enclosure and method of assembling the same Download PDFInfo
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- CN107820173B CN107820173B CN201711160954.9A CN201711160954A CN107820173B CN 107820173 B CN107820173 B CN 107820173B CN 201711160954 A CN201711160954 A CN 201711160954A CN 107820173 B CN107820173 B CN 107820173B
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- glue layer
- wall
- glue
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a loudspeaker box, which comprises an upper cover, a lower cover, a sound generating unit, a sound guiding channel formed on the upper cover, a supporting wall arranged opposite to the sound generating unit, a blocking wall extending from the supporting wall to the direction of the lower cover, a first glue layer, a second glue layer and a sealing glue layer, wherein the sound guiding channel comprises a surrounding wall and a cover plate covering the surrounding wall; the sounding single body and the supporting wall are fixed through a first adhesive layer, the baffle wall and the side face of the sounding single body are fixed through a second adhesive layer, and the first adhesive layer is connected with the second adhesive layer; the cover plate is provided with an abdicating notch extending to the surrounding wall, the second glue layer extends to be exposed out of the abdicating notch, the sealing glue layer is filled in the abdicating notch and is connected with the second glue layer, and the first glue layer, the second glue layer and the sealing glue layer jointly form a closed glue ring structure. The invention also provides an assembling method of the loudspeaker box. Compared with the related art, the loudspeaker box has excellent acoustic performance and good reliability.
Description
Technical Field
The invention relates to the technical field of electroacoustic conversion, in particular to a loudspeaker box applied to a portable electronic product and an assembly method thereof.
Background
With the advent of the mobile internet age, the number of smart mobile devices is increasing. Among the mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. At present, the functions of a mobile phone are very diverse, one of which is a high-quality music function, and thus, a speaker box for playing sound is widely applied to the current smart mobile devices.
The loudspeaker box of the related art includes the upper cover, with upper cover assembly forms accommodating space's lower cover, holds the sound production monomer in this accommodating space, is formed at the sound channel of leading of upper cover, the upper cover include with the sound production monomer is just to setting up and fixed stay the free support wall of sound production, the sound production monomer support in support wall and realize fixing through the glue layer.
However, due to the limitation of the structural shape, one side of the sounding monomer close to the sound guide channel is required to be along the sound guide channel, at least 0.7mm of distance is formed in the sound emitting direction of the sound guide channel, and a rubber guide wall is formed in the space to ensure enough space to enable the side surface of the sounding monomer to be sealed when being sealed with rubber, so that the side surface of the sounding monomer can extend to the support wall through the rubber guide wall and be connected with the rubber layer to form a wholly-closed glue ring, thereby preventing the front cavity and the rear cavity from being communicated and leaking air. However, the structure needs a space of over 0.7mm for avoiding glue, and the distance between the two glue is increased correspondingly, so that the volume of the back cavity of the loudspeaker box is reduced, and the acoustic performance of the loudspeaker box is affected.
Therefore, there is a need to provide a new speaker box and assembly method to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to overcome the technical problems and provide a loudspeaker box with excellent acoustic performance and an assembling method thereof.
In order to achieve the above object, the present invention provides a speaker box, which includes an upper cover, a lower cover assembled with the upper cover to form an accommodating space, a sound generating unit accommodated in the accommodating space, and a sound guiding channel formed in the upper cover, wherein the upper cover includes a supporting wall disposed opposite to the sound generating unit and fixedly supporting the sound generating unit, and a blocking wall extending from the supporting wall to the lower cover direction, the sound generating unit is fixedly supported on the supporting wall, and a side surface of the sound generating unit is fixed to the blocking wall; the sound guide channel comprises a surrounding wall extending from the upper cover to the lower cover, a cover plate covering the surrounding wall, a first glue layer, a second glue layer and a sealing glue layer, the sound generating units are fixedly connected with the supporting wall through the first glue layer, the blocking wall is fixedly connected with the side face of the sound generating unit through the second glue layer, and the first glue layer is connected with the second glue layer; the cover plate is close to one side of the sounding monomer is provided with an abdicating notch, the abdicating notch is connected with the surrounding wall, the second glue layer extends and is exposed out of the abdicating notch, the sealing glue layer is filled in the abdicating notch and is connected with the second glue layer, and the first glue layer, the second glue layer and the sealing glue layer jointly form a closed glue ring structure.
Preferably, the surrounding wall and the upper cover are of an integrally formed structure.
The invention also provides an assembly method of the loudspeaker box, which comprises the following steps:
step S1, gluing the support wall to form the first glue layer, placing the sounding monomer on the support wall and forming a fixed support through the first glue layer;
step S2, gluing the sounding single bodies and the blocking walls to form the second glue layer, fixing the sounding single bodies and the blocking walls through the second glue layer, and connecting the second glue layer and the first glue layer into an integral structure;
step S3, covering and fixing the cover plate on the surrounding wall, cutting off one corner of one side of the cover plate close to the sounding monomer to form the abdicating notch extending to the surrounding wall, and exposing the second glue layer to the abdicating notch;
step S4, filling glue into the abdication notch to form the sealing glue layer, so that the sealing glue layer is connected with the second glue layer, and the first glue layer, the second glue layer and the sealing glue layer form a closed glue ring structure together;
and step S5, assembling other components.
Compared with the prior art, the loudspeaker box and the assembling method thereof have the advantages that the sound generating single bodies are fixedly supported on the supporting walls, the sound generating single bodies are fixedly connected with the supporting walls through the first adhesive layer, the side faces of the sound generating single bodies are fixedly connected with the blocking walls through the second adhesive layer, and the first adhesive layer is connected with the second adhesive layer; and arranging a abdication notch extending to the enclosure wall on one side of the cover plate close to the sounding monomer, so that the second glue layer is exposed out of the abdication notch, filling the sealing glue layer into the abdication notch to connect the sealing glue layer with the second glue layer, wherein the first glue layer, the second glue layer and the sealing glue layer form a closed glue ring structure together, thereby realizing the fixation of the sounding monomer and the sealing structure in which the front cavity and the rear cavity of the loudspeaker box are not communicated with each other. Because of the incision of stepping down is seted up in the apron makes the sound production monomer is close to one side of leading the sound passageway need not to predetermine the space of stepping down of beating the glue and can realize fixedly and sealed, beats the saving in the space of stepping down of gluing the usefulness and makes the length of leading the sound passageway reduces, has increased the back chamber volume of speaker box has improved its acoustic performance.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of a speaker box of the present invention without a lower cover;
FIG. 2 is an exploded perspective view of a portion of the speaker box of the present invention;
FIG. 3 is an enlarged view of the portion A shown in FIG. 1;
FIG. 4 is a cross-sectional view of a loudspeaker enclosure of the present invention;
fig. 5 is a flow chart of a method of assembling a loudspeaker enclosure according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a speaker box 100, which includes an upper cover 1, a lower cover 2, a sound generating unit 3, a sound guiding channel 4, a supporting wall 5, a blocking wall 6, a first adhesive layer 7, a second adhesive layer 8, and a sealant layer 9.
The lower cover 2 and the upper cover 1 are assembled to form a containing space 10.
The sounding single body 3 is fixedly accommodated in the accommodating space 10. The sounding single body 3 and the upper cover 1 are arranged at intervals and jointly enclose to form a front sounding cavity 20; the sounding monomer 3, the upper cover 1 and the lower cover 2 jointly enclose a rear cavity 101.
The sound guide channel 4 is formed in the accommodating space 10, and specifically, the sound guide channel 4 is formed in the upper cover 1. The sound guide channel 4 and the upper cover 1 can also be of an integrally formed structure. The sound guide channel 4 connects the front sound cavity 20 with the outside for forming a side sound production structure.
That is, in the present embodiment, the housing space 10 is partitioned into the front chamber 102 and the rear chamber 101 by the sounding unit 3.
Wherein the front cavity 102 comprises the front sound cavity 20 and the sound guide channel 4 for sound emission; the back volume 101 is used to improve the low frequency acoustic performance of the loudspeaker enclosure 100.
Specifically, the sound guide passage 4 includes a surrounding wall 41 extending from the upper cover 1 toward the lower cover 2, and a cover plate 42 covering the surrounding wall 41.
Of course, the surrounding wall 41 and the cover plate 42 may be of an integral structure.
In this embodiment, the cover plate 42 is provided with a relief notch 421 at a side close to the sound generating unit 3, and the relief notch 421 is connected to the surrounding wall 41, that is, the relief notch 421 extends to the surrounding wall 41. The relief cuts 421 are used for filling the sealant layer 9.
The supporting wall 5 is a position where the upper cover 1 and the sounding single body 3 are opposite to each other and is used for fixedly supporting the sounding single body 3. Therefore, the sound generating unit 3 is fixedly supported by the support wall 5 and then encloses the front cavity 101 together with the upper cover 1.
The first adhesive layer 7 is filled between the sounding single body 3 and the supporting wall 5. In this embodiment, the sound generating unit 3 and the supporting wall 5 are fixedly connected through the first adhesive layer 7.
The retaining wall 6 is formed by extending the supporting wall 5 towards the lower cover 2, is positioned on the side surface of the sounding single body 3, and is limited by the sounding single body 3.
The second glue film 8 is filled between the baffle wall 6 and the side surface of the sounding monomer 3, and the baffle wall 6 and the side surface of the sounding monomer 3 are fixedly connected through the second glue film 8.
In this embodiment, the second adhesive layer 8 is connected to the first adhesive layer 7 by flowing to form an integral structure, which increases the fixing strength of the sound generating unit 3.
The second glue film 8 extends and exposes in the abdication incision 421, the sealant layer 9 is filled in the abdication incision 421 and is connected with the second glue film 8, and the first glue film 7, the second glue film 8 and the sealant layer 9 jointly form a closed glue ring structure. On one hand, the structure realizes the mutual sealing effect between the front cavity 102 and the rear cavity 101, and ensures the sound production effect; on the other hand, the sounding unit 3 is fixed more firmly and has better reliability.
In this embodiment, because of being used for filling sealant layer 9 abdicate cut 421 and offer in lead sound passageway 4 apron 42 makes sound production monomer 3 is close to lead one side of sound passageway 4 need not to predetermine the abdication space of beating glue can realize sound production monomer 3 fixed with front cavity 102 with the back cavity 101 is sealed, and the space of saving makes relatively the length of leading sound passageway 4 reduces, thereby has increased speaker box 100's back cavity volume has improved its acoustic performance.
Referring to fig. 5, the present invention further provides a method for assembling the speaker box 100, the method comprising the steps of:
step S1, glue is applied to the support wall 5 to form the first glue layer 7, and the sounding unit 3 is placed on the support wall 5 and forms a fixed support through the first glue layer 7.
Step S2 beat to glue between the sound production monomer 3 with keep off wall 6 and form second glue film 8 makes sound production monomer 3 with keep off wall 6 and pass through second glue film 8 forms fixedly, and makes second glue film 8 with first glue film 7 is connected and is a body structure.
Step S3, cover the cover plate 42 and fix it on the surrounding wall 41, a corner of one side of the cover plate 42 close to the sound-generating unit 3 is cut off to form the abdicating notch 421 extending to the surrounding wall 41, and the second glue layer 8 is exposed out of the abdicating notch 421.
Step S4, filling glue into the abdicating notch 421 to form the sealant layer 9, so that the sealant layer 9 is connected to the second sealant layer 8, and the first sealant layer, the second sealant layer and the sealant layer together form a closed glue ring structure.
And step S5, assembling other components. The step includes assembling the lower cover 2 to the upper cover 1 and fixing the lower cover and assembling and fixing other components by ultrasonic welding, and the assembling of other components in the step is a conventional assembling method in the technical field, and is not described herein again.
Compared with the prior art, the loudspeaker box and the assembling method thereof have the advantages that the sound generating single bodies are fixedly supported on the supporting walls, the sound generating single bodies are fixedly connected with the supporting walls through the first adhesive layer, the side faces of the sound generating single bodies are fixedly connected with the blocking walls through the second adhesive layer, and the first adhesive layer is connected with the second adhesive layer; and arranging a abdication notch extending to the enclosure wall on one side of the cover plate close to the sounding monomer, so that the second glue layer is exposed out of the abdication notch, filling the sealing glue layer into the abdication notch to connect the sealing glue layer with the second glue layer, wherein the first glue layer, the second glue layer and the sealing glue layer form a closed glue ring structure together, thereby realizing the fixation of the sounding monomer and the sealing structure in which the front cavity and the rear cavity of the loudspeaker box are not communicated with each other. Because of the incision of stepping down is seted up in the apron makes the sound production monomer is close to one side of leading the sound passageway need not to predetermine the space of stepping down of beating the glue and can realize fixedly and sealed, beats the saving in the space of stepping down of gluing the usefulness and makes the length of leading the sound passageway reduces, has increased the back chamber volume of speaker box has improved its acoustic performance.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (3)
1. A loudspeaker box comprises an upper cover, a lower cover, a sound generating unit and a sound guide channel, wherein the lower cover is assembled with the upper cover to form an accommodating space, the sound generating unit is accommodated in the accommodating space, the sound guide channel is formed in the upper cover, the upper cover comprises a supporting wall and a blocking wall, the supporting wall is arranged opposite to the sound generating unit and fixedly supports the sound generating unit, the blocking wall extends towards the direction of the lower cover from the supporting wall, the sound generating unit is fixedly supported on the supporting wall, and the side surface of the sound generating unit is fixed on the blocking wall; the sound guide channel comprises a surrounding wall extending from the upper cover to the lower cover and a cover plate covering the surrounding wall, and is characterized in that the loudspeaker box further comprises a first glue layer, a second glue layer and a sealing glue layer, the sound production monomer and the support wall are fixedly connected through the first glue layer, the baffle wall and the side surface of the sound production monomer are fixedly connected through the second glue layer, and the first glue layer is connected with the second glue layer; the cover plate is close to one side of the sounding monomer is provided with an abdicating notch, the abdicating notch is connected with the surrounding wall, the second glue layer extends and is exposed out of the abdicating notch, the sealing glue layer is filled in the abdicating notch and is connected with the second glue layer, and the first glue layer, the second glue layer and the sealing glue layer jointly form a closed glue ring structure.
2. A loudspeaker enclosure according to claim 1, wherein the enclosure wall is of integral construction with the cover.
3. A method of assembling a loudspeaker enclosure according to claim 1, the method comprising the steps of:
step S1, gluing the support wall to form the first glue layer, placing the sounding monomer on the support wall and forming a fixed support through the first glue layer;
step S2, gluing the sounding single bodies and the blocking walls to form the second glue layer, so that the sounding single bodies and the blocking walls are fixed through the second glue layer, and the second glue layer and the first glue layer are connected into an integral structure;
step S3, covering and fixing the cover plate on the surrounding wall, cutting off one corner of one side of the cover plate close to the sounding monomer to form the abdicating notch extending to the surrounding wall, and exposing the second glue layer to the abdicating notch;
step S4, filling glue into the abdication notch to form the sealing glue layer, so that the sealing glue layer is connected with the second glue layer, and the first glue layer, the second glue layer and the sealing glue layer form a closed glue ring structure together;
and step S5, assembling other components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160954.9A CN107820173B (en) | 2017-11-20 | 2017-11-20 | Loudspeaker enclosure and method of assembling the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160954.9A CN107820173B (en) | 2017-11-20 | 2017-11-20 | Loudspeaker enclosure and method of assembling the same |
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| Publication Number | Publication Date |
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| CN107820173A CN107820173A (en) | 2018-03-20 |
| CN107820173B true CN107820173B (en) | 2020-06-16 |
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| CN201711160954.9A Active CN107820173B (en) | 2017-11-20 | 2017-11-20 | Loudspeaker enclosure and method of assembling the same |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471580B (en) * | 2018-04-26 | 2020-10-09 | 歌尔股份有限公司 | Loudspeaker module |
| CN108882127B (en) * | 2018-08-24 | 2021-05-14 | 瑞声科技(新加坡)有限公司 | Loudspeaker module |
| CN110300341A (en) * | 2019-06-25 | 2019-10-01 | 珠海格力电器股份有限公司 | A kind of the speaker combination structure and air-conditioning of adhesive-spill-preventing |
| CN110856088A (en) * | 2019-12-03 | 2020-02-28 | 瑞声科技(新加坡)有限公司 | Loudspeaker and assembling method thereof |
| WO2021134278A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN112468911B (en) * | 2020-12-18 | 2022-05-31 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204465843U (en) * | 2015-04-13 | 2015-07-08 | 歌尔声学股份有限公司 | A kind of loud speaker module |
| CN205961440U (en) * | 2016-07-20 | 2017-02-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker module group |
| CN106921922A (en) * | 2017-04-24 | 2017-07-04 | 歌尔股份有限公司 | Loudspeaker module and electronic installation |
| CN106941651A (en) * | 2017-04-24 | 2017-07-11 | 歌尔股份有限公司 | Loudspeaker module |
| CN206533534U (en) * | 2017-01-24 | 2017-09-29 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
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2017
- 2017-11-20 CN CN201711160954.9A patent/CN107820173B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204465843U (en) * | 2015-04-13 | 2015-07-08 | 歌尔声学股份有限公司 | A kind of loud speaker module |
| CN205961440U (en) * | 2016-07-20 | 2017-02-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker module group |
| CN206533534U (en) * | 2017-01-24 | 2017-09-29 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN106921922A (en) * | 2017-04-24 | 2017-07-04 | 歌尔股份有限公司 | Loudspeaker module and electronic installation |
| CN106941651A (en) * | 2017-04-24 | 2017-07-11 | 歌尔股份有限公司 | Loudspeaker module |
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| CN107820173A (en) | 2018-03-20 |
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