CN207968867U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN207968867U CN207968867U CN201820192988.XU CN201820192988U CN207968867U CN 207968867 U CN207968867 U CN 207968867U CN 201820192988 U CN201820192988 U CN 201820192988U CN 207968867 U CN207968867 U CN 207968867U
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- Prior art keywords
- back cavity
- lower cover
- loudspeaker enclosure
- upper cover
- socket
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Abstract
The utility model provides a kind of loudspeaker enclosure, including lower cover, upper cover and sounding monomer, the sounding monomer and the upper cover surround ante-chamber, the sounding monomer, the lower cover and the upper cover surround back cavity jointly, and the loudspeaker enclosure further includes breathable barrier and extends from the upper cover to the lower cover direction and be connected to the socket of the lower cover；The breathable barrier, which plugs, to be fixed on the socket and the back cavity is divided into the first back cavity and the second back cavity jointly with the socket, the breathable barrier includes the ventilative separation layer that two layers of the polyethylene terephthalate layer and sandwiched in hollow ring is fixed between two layers of polyethylene terephthalate layer, 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.Compared with the relevant technologies, the loudspeaker enclosure frequency acoustic performance of the utility model is more excellent.
Description
【Technical field】
The utility model is related to a kind of electroacoustic device more particularly to a kind of loudspeaker enclosures.
【Background technology】
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 case of raising one's voice of the relevant technologies includes lower cover, assembles the upper cover to form a receiving space with the lower cover, a receiving
In in the receiving space sounding monomer and retaining wall from the upper cover to lower cover direction that extend from, the sounding monomer with it is described
Upper cover surrounds ante-chamber, and the sounding monomer, the upper cover and the lower cover surround back cavity jointly, and the retaining wall is enclosed with the upper cover
At auxiliary sounding chamber, be sticked the breathable membrane parallel with the lower cover close to the side of the lower cover, by the auxiliary
Sounding intracavitary, which is filled out, sets sound-absorbing particle formation Virtual Sound chamber, so as to improve the frequency acoustic performance of the loudspeaker enclosure.
However, in the loudspeaker enclosure of the relevant technologies, the breathable membrane passes through hot-melt adhesive paste, the retaining wall with the retaining wall
Need the hot melt wall that setting a layer thickness is about 0.80mm to coordinate hot melting process, meanwhile, the breathable membrane is is parallel to
Lower cover setting is stated, leakage of the gap of certain altitude as back cavity need to be set with the lower cover.The hot melt wall and described
The volume for the auxiliary sounding chamber as the virtual operatic tunes that the setting of the interstitial structure of leakage occupies, the then so that Virtual Sound
The volume of chamber reduces, and because structure design limits, the one end of the back cavity far from the sounding monomer can not form the virtual operatic tunes,
Limit the frequency acoustic performance of the loudspeaker enclosure.
Therefore, a kind of new loudspeaker enclosure solution above-mentioned technical problem must be provided by having in fact.
【Utility model content】
The purpose of this utility model is to provide a kind of good loudspeaker enclosures of audio performance especially low frequency performance.
In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure, including lower cover, is covered on the lower cover
And the upper cover of receiving space and the sounding monomer being contained in the receiving space are surrounded jointly, the sounding monomer and described
Upper cover surrounds ante-chamber, and the sounding monomer, the lower cover and the upper cover surround back cavity jointly, and the loudspeaker enclosure further includes
Air bound off member and extends from the upper cover to the lower cover direction and be connected to the socket of the lower cover；The breathable barrier
Plug the first back cavity for being fixed on the socket and the back cavity being divided into mutual air communication jointly with the socket
With the second back cavity, the breathable barrier include two layers in hollow ring polyethylene terephthalate layer and sandwiched fix
Ventilative separation layer between two layers of polyethylene terephthalate layer, 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
It is interior.
Preferably, the loudspeaker enclosure further includes the through-hole for running through the lower cover and being arranged with the socket face, institute
State being inserted in the through-hole close to one end of the lower cover for breathable barrier.
Preferably, the loudspeaker enclosure further includes being recessed the glue formed by the outer lateral upper cover direction of the lower cover
Slot, the through-hole are arranged through the glue groove, and filling glue forms sealing in the glue groove.
Preferably, the socket is mutually parallel including two and spaced holder, two holders surround slotting
Slot；Each holder includes from the body wall of upper cover protrusion extension and from the body wall both ends respectively to the lower cover
Direction extends and is connected to two wall extensions of the lower cover；The breathable barrier, which plugs, to be fixed in the slot.
Preferably, the breathable barrier further includes being located at the ventilative separation layer and two layers of poly- terephthaldehyde
Glue-line between sour ethylene glycol ester layer, two layers of polyethylene terephthalate layer respectively by the glue-line with it is described
Air bound absciss layer is fixedly connected.
Preferably, the ventilative separation layer is non-woven fabrics or dustless screen cloth or nylon mesh grid or metal mesh.
Preferably, the upper cover is equipped with through the powder filling hole being connected to thereon and with second back cavity, the sound-absorbing particle
Second back cavity is poured by the powder filling hole.
Compared with the relevant technologies, the loudspeaker enclosure of the utility model is by being arranged the slot extended from upper cover to lower cover direction
Portion and the breathable barrier for being located in the socket, the breathable barrier include two layers of poly- terephthaldehyde in hollow ring
Sour ethylene glycol ester layer and sandwiched are fixed on the ventilative separation layer between two layers of polyethylene terephthalate layer, and the two is total
It is separated into the first back cavity and the second back cavity with by the back cavity, is become by filling sound-absorbing particle in second back cavity
The virtual operatic tunes, is not only simple in structure, and also improves the low frequency performance of the loudspeaker enclosure；Because of the breathable barrier woth no need to heating
Wall support is fixed, and second back cavity that the back cavity is separated out is not limited by structure design, can be in the second back cavity
Tail portion is that sound-absorbing particle is filled in one end far from first back cavity so that the volume bigger for serving as the virtual operatic tunes further changes
It has been apt to the low frequency performance of the loudspeaker enclosure.
【Description of the drawings】
It is required in being described below to embodiment 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
Other attached drawings are obtained, wherein：
Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；
Fig. 2 is the part isometric structural exploded view of Fig. 1；
Fig. 3 is the cut-away view of the line A-A along Fig. 1；
Fig. 4 is the stereochemical structure exploded view of the breathable barrier of the utility model loudspeaker enclosure.
【Specific implementation mode】
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
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig. 1-3, the utility model provides a kind of loudspeaker enclosure 100, including lower cover 1, upper cover 2, sounding
Monomer 4, socket 5, breathable barrier 6, through-hole 7 and glue groove 8.
The upper cover 2 is oppositely arranged with the lower cover 1 and mutually covers to set and assembles to form receiving space 9 jointly.
The sounding monomer 4 is contained in the receiving space 9, and the sounding monomer 4 and the upper cover 2 surround ante-chamber
91, it is used for sounding；The sounding monomer 4, the lower cover 1 and the upper cover 2 surround back cavity 92 jointly, for improving frequency acoustic
Performance.
The socket 5 extends from the upper cover 2 to 1 direction of the lower cover and is connected to the lower cover 1.
Specifically, the socket 5 is mutually parallel including two and spaced holder 51, two holders 51 enclose
At slot 52.
Each holder 51 includes by the body wall 511 of the protrusion extension of the upper cover 2 and by 511 both ends of the body wall
Extend and be connected to two wall extensions 512 of the lower cover 1 to 1 direction of the lower cover respectively.
The breathable barrier 6, which plugs, to be fixed on the socket 5 and jointly divides the back cavity 92 with the socket 5
It is divided into the first back cavity 921 and the second back cavity 922, first back cavity 921 and second back cavity, 922 mutual air communication.This
In embodiment, first back cavity 921 and 922 air communication of the second back cavity refer to negotiable air-flow between the two but not
Circulate substance.In present embodiment, it is fixed in the slot 52 specifically, the breathable barrier 6 plugs.
Specifically, the sounding monomer 4 is located at first back cavity 921, sound-absorbing is filled in second back cavity 922
Grain, the sound-absorbing particle is packaged in second back cavity 922 and is used to form the virtual operatic tunes by the breathable barrier 6, to change
Kind frequency acoustic performance.In present embodiment, the sound-absorbing particle is zeolite granular.
The structure setting of the slot 52 makes the breathable barrier 6 woth no need to be fixed by heating, and saves because of heat
The setting of hot melt structure that blow needs surely, that is, save the space of the back cavity 92 to form more Virtual Sound cavity volumes,
Effectively increase its frequency acoustic performance.
Fig. 4 is please referred to, specifically, the breathable barrier 6 includes two layers of poly terephthalic acid in hollow ring
Ethylene glycol ester layer 61 (polyethylene terephthalate, PET), sandwiched are fixed on two layers of polyethylene terephthalate
Ventilative separation layer 62 between layer 61 and glue-line 63.
The glue-line 63 includes two layers and is located at the ventilative separation layer 62 and two layers of the poly terephthalic acid second
Between layer 61, two layers of this polyethylene terephthalate layer 61 of institute is fixed by two layers of glue-line 63 respectively to be connected
It connects.
In present embodiment, the ventilative separation layer 62 can be non-woven fabrics or dustless screen cloth or nylon mesh grid or metal mesh
Deng for parting of ventilating.The glue-line 63 can be double faced adhesive tape etc..
The through-hole 7 is arranged through the lower cover 1 and is arranged with 5 face of the socket, and the breathable barrier 6 is leaned on
One end of the nearly lower cover 1 is inserted in the through-hole 7.
The glue groove 8 is recessed by outer lateral 2 direction of the upper cover of the lower cover 1 and is formed, specifically, the through-hole 7 passes through
Wear the setting of the glue groove 8.It is filled out in the glue groove 8 and sets glue formation sealing.
Pour into the sound-absorbing particle into second back cavity 922 for convenience, present embodiment setting is on described
Lid 2 and the powder filling hole that is connected to second back cavity 922, the sound-absorbing particle second back cavity is poured by the powder filling hole
922, then seal the powder filling hole.Certainly, the powder filling hole may also extend through the setting of the lower cover 1.
When institute's this loudspeaker enclosure 100 assembly, the sounding monomer 4 is fixed on the upper cover 2, then will be described ventilative
Separator 6 is inserted into the socket 5, and is fixed in the side gluing close to the upper cover 2 of the breathable barrier 6, then will
The lower cover 1 is covered on the upper cover 2 and is fixed by ultrasonic bonding, and the breathable barrier 6 is made to be inserted into the lower cover 1
In through-hole 7, filling glue in the glue groove 8 is finally formed into sealing.It will be second described in sound-absorbing particle filling by the powder filling hole
Back cavity 922.
Compared with the relevant technologies, the loudspeaker enclosure of the utility model is by being arranged the slot extended from upper cover to lower cover direction
Portion and the breathable barrier for being located in the socket, the breathable barrier include two layers of poly- terephthaldehyde in hollow ring
Sour ethylene glycol ester layer and sandwiched are fixed on the ventilative separation layer between two layers of polyethylene terephthalate layer, and the two is total
It is separated into the first back cavity and the second back cavity with by the back cavity, is become by filling sound-absorbing particle in second back cavity
The virtual operatic tunes, is not only simple in structure, and also improves the low frequency performance of the loudspeaker enclosure；Because of the breathable barrier woth no need to heating
Wall support is fixed, and second back cavity that the back cavity is separated out is not limited by structure design, can be in the second back cavity
Tail portion is that sound-absorbing particle is filled in one end far from first back cavity so that the volume bigger for serving as the virtual operatic tunes further changes
It has been apt to the low frequency performance of the loudspeaker enclosure.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
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 equally included in the patent within the scope of the utility model.
Claims (7)
1. a kind of loudspeaker enclosure, including lower cover, the upper cover that is covered on the lower cover and surrounds receiving space jointly and it is contained in
Sounding monomer in the receiving space, the sounding monomer and the upper cover surround ante-chamber, the sounding monomer, the lower cover
Surround back cavity jointly with the upper cover, which is characterized in that the loudspeaker enclosure further include breathable barrier and from the upper cover to
The lower cover direction extends and is connected to the socket of the lower cover；The breathable barrier, which plugs, is fixed on the socket simultaneously
The back cavity is divided into the first back cavity and the second back cavity of mutual air communication, the ventilative isolation jointly with the socket
Part include two layers in hollow ring polyethylene terephthalate layer and sandwiched be fixed on two layers of poly terephthalic acid
Ventilative separation layer between ethylene glycol ester layer, the sounding monomer are located at first back cavity, fill and inhale in second back cavity
The sound-absorbing particle is packaged in second back cavity by sound particle, the breathable barrier.
2. loudspeaker enclosure according to claim 1, which is characterized in that the loudspeaker enclosure further includes running through the lower cover simultaneously
With the through-hole of socket face setting, the breathable barrier is inserted in the through-hole close to one end of the lower cover
It is interior.
3. loudspeaker enclosure according to claim 2, which is characterized in that the loudspeaker enclosure further includes by the outer of the lower cover
The lateral upper cover direction is recessed the glue groove to be formed, and the through-hole is arranged through the glue groove, filling glue shape in the glue groove
At sealing.
4. loudspeaker enclosure according to claim 1, which is characterized in that the socket is mutually parallel and is spaced including two
The holder of setting, two holders surround slot；Each holder include by the upper cover protrusion extend body wall and
Extended from the body wall both ends and be connected to two wall extensions of the lower cover to the lower cover direction respectively；It is described it is ventilative every
Off member, which plugs, to be fixed in the slot.
5. loudspeaker enclosure according to claim 1, which is characterized in that the breathable barrier further include be located at it is described
Ventilative glue-line between separation layer and two layers of polyethylene terephthalate layer, two layers of the poly terephthalic acid second two
Alcohol ester layer is fixedly connected by the glue-line with the ventilative separation layer respectively.
6. loudspeaker enclosure according to claim 1, which is characterized in that the ventilative separation layer is non-woven fabrics or dustless screen cloth
Or nylon mesh grid or metal mesh.
7. loudspeaker enclosure according to claim 1, which is characterized in that the upper cover is equipped with through thereon and with described second
The powder filling hole of back cavity connection, the sound-absorbing particle pour into second back cavity by the powder filling hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820192988.XU CN207968867U (en) | 2018-02-02 | 2018-02-02 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820192988.XU CN207968867U (en) | 2018-02-02 | 2018-02-02 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968867U true CN207968867U (en) | 2018-10-12 |
Family
ID=63737161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820192988.XU Active CN207968867U (en) | 2018-02-02 | 2018-02-02 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207968867U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831724A (en) * | 2018-12-27 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Loudspeaker and its installation method |
| CN110830894A (en) * | 2019-11-09 | 2020-02-21 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
| WO2020062695A1 (en) * | 2018-09-28 | 2020-04-02 | 歌尔股份有限公司 | Spacer and speaker module |
| CN111147967A (en) * | 2020-02-20 | 2020-05-12 | 精拓丽音科技（北京）有限公司 | Loudspeaker module and preparation method thereof |
| WO2021000100A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker device |
| WO2021253538A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
| WO2021253539A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
-
2018
- 2018-02-02 CN CN201820192988.XU patent/CN207968867U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062695A1 (en) * | 2018-09-28 | 2020-04-02 | 歌尔股份有限公司 | Spacer and speaker module |
| CN109831724A (en) * | 2018-12-27 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Loudspeaker and its installation method |
| WO2021000100A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker device |
| CN110830894A (en) * | 2019-11-09 | 2020-02-21 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
| CN111147967A (en) * | 2020-02-20 | 2020-05-12 | 精拓丽音科技（北京）有限公司 | Loudspeaker module and preparation method thereof |
| WO2021253538A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
| WO2021253539A1 (en) * | 2020-06-15 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
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