CN207382566U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN207382566U CN207382566U CN201721459557.7U CN201721459557U CN207382566U CN 207382566 U CN207382566 U CN 207382566U CN 201721459557 U CN201721459557 U CN 201721459557U CN 207382566 U CN207382566 U CN 207382566U
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- back cavity
- shell
- sound
- loudspeaker enclosure
- absorbing
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Abstract
The utility model is related to Audiotechnica fields, disclose a kind of loudspeaker enclosure.The loud speaker includes first shell, it is oppositely arranged with the first shell and assembles the second shell to form receiving space, the sounding monomer being arranged in the receiving space, the receiving space is separated into ante-chamber and back cavity by the sounding monomer, the sounding monomer includes the vibrational system with vibrating diaphragm, the ante-chamber is formed between the first shell of vibrating diaphragm described in the vibrating diaphragm and face, the back cavity includes the first back cavity for accommodating sounding monomer, for filling the second back cavity of sound-absorbing powder and the first communicating passage of connection first back cavity and the second back cavity, the loud speaker further includes the first sound-absorbing separator for being fixedly arranged on and in first interface channel and separating first back cavity and the second back cavity.Loud speaker provided by the utility model, the uniformity for the powder packed that absorbs sound is good, and acoustical behavior is more preferably.
Description
Technical field
The utility model is related to Audiotechnica field, more particularly to a kind of loudspeaker enclosure.
Background technology
Loudspeaker enclosure is a kind of common electronic component, is mainly used for the broadcasting of audio signal, raising in correlation technique
Sound device case is in order to obtain better acoustic efficiency, often filling sucting sound material in cavity inside it.At present, there is a kind of monomer certainly
Body is totally enclosed, and DBASS powder particles (a kind of sound absorption powder) cannot be introduced into inside monomer, therefore using such monomer
Totally-enclosed BOX (loudspeaker enclosure case), sound chamber whole region can fill DBASS thereafter.
The inventor of the utility model has found that at least there are the following problems in the prior art：For complete rear sound chamber filling
The BOX of DBASS, since rear sound cavity region has, many facet height are very low or some regional channels are long and narrow, for such area
Domain, DBASS particles are not easy filling completely, and that fills sometimes is more, and that fills sometimes lacks, and sound cavity region is filled out after causing master
The DBASS particle identities filled are poor, influence the acoustical behavior of loudspeaker enclosure.
Therefore, it is really necessary to provide a kind of new loudspeaker enclosure to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of loudspeaker enclosures, and the uniformity for the powder packed that absorbs sound is good, acoustics
Performance is more preferably.
The embodiment of the utility model provides a kind of loudspeaker enclosure, including first shell, with the first shell phase
To setting and assembling the sounding monomer to form the second shell of receiving space, be arranged in the receiving space, the sounding list
The receiving space is separated into ante-chamber and back cavity by body, and the sounding monomer includes the vibrational system with vibrating diaphragm, the vibrating diaphragm
Form the ante-chamber between the first shell of vibrating diaphragm described in face, the back cavity include accommodating the first back cavity of sounding monomer,
It is described to raise for filling the second back cavity of sound-absorbing powder and the first communicating passage of connection first back cavity and the second back cavity
Sound device case further includes first for being fixedly arranged in first interface channel and separating first back cavity and the second back cavity and inhales
Sound separator.
Preferably, the back cavity further includes the tail chamber surrounded by the first shell and second shell, and the tail chamber is located at
One side of second back cavity away from first back cavity and the second communicating passage is formed between second back cavity, it is described to raise
Sound device case further includes the second sound-absorbing separator for being fixedly arranged on and in the second communicating passage and separating second back cavity and tail chamber.
Preferably, the first sound-absorbing separator and the second sound-absorbing separator are each attached in the first shell.
Preferably, one of the first sound-absorbing separator and the second sound-absorbing separator are fixed on the first shell
On body, another one is fixed in the second shell.
Preferably, the first shell includes the first bottom wall and the first side wall along first bottom wall bending extension,
The first shell, which is further included from first bottom wall towards the second shell, protrudes the annular convex platform to be formed, the sounding list
Body is abutted with the annular convex platform, be arranged at intervals between the vibrating diaphragm of the sounding monomer and first bottom wall and formed it is described before
Chamber
Preferably, the first shell further includes from first bottom wall towards second shell protrusion and is formed with second
Boss, the second boss and the annular convex platform are adjacent and between first back cavity and the second back cavity, and described first
Sound-absorbing separator is fixed in the second boss.
Preferably, the first shell further includes the 3rd for protruding and being formed from first bottom wall towards the second shell
Boss, for the 3rd boss between the second back cavity and tail chamber, the second sound-absorbing separator is fixed on the 3rd boss
On.
Preferably, the first sound-absorbing separator and the second sound-absorbing separator are acoustical cotton.The utility model embodiment party
Formula in terms of existing technologies, by the first sound-absorbing separator for being fixedly arranged in first interface channel by the first back cavity and
Second back cavity is kept apart, and the sound absorption powder in the second back cavity is avoided to flow into the first back cavity, and sound absorption powder concentration is made to be filled in second
In back cavity, the uniformity of filling is preferable, so as to be conducive to promote the acoustical behavior of loudspeaker enclosure.
Description of the drawings
Fig. 1 is the sectional view for the loudspeaker enclosure that the utility model first embodiment provides.
Fig. 2 is the explosive view for the loudspeaker enclosure that the utility model first embodiment provides.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Each embodiment of type is explained in detail.It is however, it will be understood by those skilled in the art that each in the utility model
In embodiment, many technical details are proposed in order to which reader is made to more fully understand the utility model.But even if without this
A little technical details and many variations based on following embodiment and modification, can also realize each claim of the utility model
Technical solution claimed.
The first embodiment of the utility model is related to a kind of loudspeaker enclosure 100.It is provided as shown in Figure 1 for the utility model
Embodiment loudspeaker enclosure 100 sectional view.The loudspeaker enclosure 100 of the utility model offer embodiment is provided
Explosive view.
In the present embodiment, the loudspeaker enclosure 100 includes first shell 1, is oppositely arranged and assembles with the first shell 1
The second shell 2 for forming receiving space, the sounding monomer 3 being arranged in the receiving space 10, the sounding monomer 3 is by described in
Receiving space 10 is separated into ante-chamber 101 and the back cavity 102 isolated with ante-chamber 101, and the back cavity 102 includes accommodating sounding monomer 3
The first back cavity 102a, for filling the second back cavity 102b of sound-absorbing powder and connection the first back cavity 102a and second after
The first communicating passage 102c of chamber 102b.The sounding monomer 3 include with vibrating diaphragm 31 vibrational system, the ante-chamber 101 by
The first shell 1 of the vibrating diaphragm 31 and vibrating diaphragm 31 described in face, which is arranged at intervals, to be formed, and the second back cavity 102b is by described first
Housing 1 is not arranged at intervals with the second shell 2 with the part of 31 face of vibrating diaphragm and is formed, the first interface channel 102c
Between the first back cavity 102a and the second back cavity 102b and after connecting the first back cavity 102a and described second
Chamber 102b, the first sound-absorbing separator 4 are fixedly arranged in the first interface channel 102c and by the first back cavity 102a and second
Back cavity 102b is separated.
In terms of existing technologies, the first sound-absorbing separator 4 is located at described first to the utility model embodiment
Inside the first interface channel 102c between back cavity 102a and the second back cavity 102b, by the second back cavity 102b with it is described
First back cavity 102a keeps apart, and a large amount of sound absorption powders for being contained in the second back cavity 102b is avoided to flow into the first back cavity 102a,
Then avoid causing that the uniformity of sound absorption powder packed is bad due to the powder that absorbs sound in back cavity 102 is unevenly distributed, be raised described in promotion
The acoustical behavior of sound device case 100.
In the present embodiment, the tail chamber 102d by the first shell 1 not with the part of 31 face of vibrating diaphragm with it is described
It is formed between second shell 2, positioned at one sides of the second back cavity 102b away from the first back cavity 102a, second sound-absorbing
Separator 5 is arranged in the second interface channel 102e of the tail chamber 102d and the second back cavity 102b intersections, by described in
Tail chamber 102d keeps apart with the second back cavity 102b, and a large amount of sound absorption powders for being contained in the second back cavity 102b is avoided to flow into
Tail chamber 102d then avoids causing that the uniformity of sound absorption powder packed is bad due to the powder that absorbs sound in tail chamber 102d is unevenly distributed,
Promote the acoustical behavior of the loudspeaker enclosure 100.
In the present embodiment, the second sound-absorbing separator 5 and the first sound-absorbing separator 4 are fixed in the first shell 1,
The structure for making the loudspeaker enclosure 100 is more firm, and manufacturing process is simple.
In the present embodiment, the second sound-absorbing separator 5 and the first sound-absorbing separator 4 are acoustical cotton, are inhaled by adjusting
The size of sound cotton can facilitate control to need to fill the area size of the second back cavity 102b of sound absorption powder, simple operation, side
Just the acoustical behavior of loudspeaker enclosure 100 is debugged so that the loudspeaker enclosure 100 has better acoustical behavior.
In the present embodiment, the first shell 1 includes the first bottom wall 11 and bends extension along first bottom wall 11
The first side wall 12 is spaced apart on first bottom wall 11 and is equipped with the first installation through-hole 111 and the second installation through-hole 112, and described the
One housing 1 includes two the first sheet metals 13 for being separately mounted to first installation through-hole 111 and mounted on the described second peace
Fill the second sheet metal 14 of through hole 112.The powder filling hole 140 for powder filling is offered in second sheet metal 14.The first shell 1
Further include the annular convex platform 15 formed from first bottom wall 11 towards the second shell 2 protrusion, 15 ring of annular convex platform
It is set around first installation through-hole 111, the sounding monomer 3 is abutted with the annular convex platform 15, and the sounding monomer 3 shakes
It is arranged at intervals between film 31 and first sheet metal 13 and forms the ante-chamber 101.First bottom wall 11 is towards described
Two housings 2 protrusion is formed with second boss 16, and the second boss 16 is arranged at second installation through-hole 112 and first and installs
It is abutted between through hole 111 and with the annular convex platform 15.Second boss 16 be located at the first back cavity 102a and the second back cavity 102b it
Between.First bottom wall 11 is protruded towards the second shell 2 forms the 3rd boss 17, and the 3rd boss 17 is arranged at described
One side of second installation through-hole 112 away from first installation through-hole 111, the 3rd boss 17 are located at the second back cavity 102b and tail chamber
Between 102d.Passage 110 of speaking is provided on the first side wall 12, it is described to speak passage 110 for connecting the ante-chamber 101
With the external world, for sound to be spread out of the loudspeaker enclosure 100.
The second shell 2 further comprises the second bottom wall 21 and the second side along second bottom wall 21 bending extension
Wall 22, the first side wall 12 and the second sidewall 22 mutually assemble to form the receiving space 10.Second bottom wall
It corresponds to offer the 3rd on the position of first installation through-hole 111 and second installation through-hole 112 and install respectively on 21 and lead to
211 and the 4th installation through-hole 212 of hole, the 3rd sheet metal 23 is equipped in the 3rd installation through-hole 211, and the 4th installation is logical
4th sheet metal 24 is installed in hole 212.
Specifically, during assembling, the first sound-absorbing separator 4 is fixed in the second boss 16, first sound-absorbing
Separator 4 extends towards second bottom wall 21 and forms gap between second bottom wall 21, in other embodiments, the
One sound-absorbing separator 4 can not also form gap between the second bottom wall 21；The second sound-absorbing separator 5 is fixed on described
On three boss 17, the second sound-absorbing separator 5 extends towards second bottom wall 21 and the shape between second bottom wall 21
Into gap, in other embodiments, the first sound-absorbing separator 4 can not also form gap between the second bottom wall 21.
So that the first side wall 11, the second sidewall 21, the 3rd sheet metal 23, the second boss
16 and the first sound-absorbing separator 4 define the first back cavity 102a；The first sound-absorbing separator 4, described second
Sheet metal 14, the second sound-absorbing separator 5 and the 4th sheet metal 24 define the second back cavity 102b, institute jointly
State the first bottom wall 11, second bottom wall 21,12 wall of the first side, the second sidewall 22 and second sound-absorbing isolation
Part 5 defines the tail chamber 102d jointly.
The second embodiment of the utility model is related to a kind of loudspeaker enclosure 200, second embodiment and the first embodiment party
Formula is roughly the same, is in place of the main distinction：The second sound-absorbing separator 5 is fixed in the first shell 1, and described first
Sound-absorbing separator 4 is fixed in the second shell 2.Be arranged such can in the first shell 1 or second shell 2 one
When sound-absorbing separator loosens, ensure that another sound-absorbing separator is unaffected, so as to enhance the stability of loudspeaker enclosure 200.
It should be noted that in the present embodiment, the second sound-absorbing separator 5 is fixed in the first shell 1, described
First sound-absorbing separator 4 is fixed in the second shell 2, certainly, in other embodiments, the second sound-absorbing separator
5 can also be fixed in the second shell 2, while the first sound-absorbing separator 4 is fixed in the first shell 1, tool
Body can be depending on the Structural Design Requirement of loudspeaker enclosure 200.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model
Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model
And scope.
Claims (8)
1. a kind of loudspeaker enclosure, including first shell, it is oppositely arranged with the first shell and assembles to form the of receiving space
Two housings, the sounding monomer being arranged in the receiving space, the sounding monomer by the receiving space be separated into ante-chamber and
Back cavity, the sounding monomer is including the vibrational system with vibrating diaphragm, between the first shell of vibrating diaphragm described in the vibrating diaphragm and face
Form the ante-chamber, the back cavity include accommodating the first back cavity of sounding monomer, for fill the second back cavity of sound-absorbing powder with
And the first communicating passage of connection first back cavity and the second back cavity, the loudspeaker enclosure, which further includes, is fixedly arranged on first company
Connect the first sound-absorbing separator in road and separated first back cavity and the second back cavity.
2. loudspeaker enclosure according to claim 1, which is characterized in that the back cavity is further included by the first shell and
The tail chamber that two housings surround, the tail chamber be located at one side of second back cavity away from first back cavity and with described second after
Form the second communicating passage between chamber, the loudspeaker enclosure, which further includes, to be fixedly arranged in the second communicating passage and by second back cavity
The the second sound-absorbing separator separated with tail chamber.
3. loudspeaker enclosure according to claim 2, which is characterized in that the first sound-absorbing separator and second sound-absorbing
Separator is each attached in the first shell.
4. loudspeaker enclosure according to claim 2, which is characterized in that the first sound-absorbing separator and second sound-absorbing
One of separator is fixed in the first shell, another one is fixed in the second shell.
5. loudspeaker enclosure according to claim 2, which is characterized in that the first shell includes the first bottom wall and along institute
The first side wall of the first bottom wall bending extension is stated, the first shell is further included from first bottom wall towards the second shell
The annular convex platform formed is protruded, the sounding monomer abuts with the annular convex platform, the vibrating diaphragm of the sounding monomer and described the
It is arranged at intervals between one bottom wall and forms the ante-chamber.
6. loudspeaker enclosure according to claim 5, which is characterized in that the first shell is further included from first bottom wall
Second boss is formed with towards second shell protrusion, and the second boss is adjacent with the annular convex platform and positioned at described the
Between one back cavity and the second back cavity, the first sound-absorbing separator is fixed in the second boss.
7. loudspeaker enclosure according to claim 6, which is characterized in that the first shell is further included from first bottom wall
The 3rd boss to be formed is protruded towards the second shell, the 3rd boss is between the second back cavity and tail chamber, and described
Two sound-absorbing separators are fixed on the 3rd boss.
8. according to the loudspeaker enclosure described in claim 1-7 any one, which is characterized in that the first sound-absorbing separator and
Two sound-absorbing separators are acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721459557.7U CN207382566U (en) | 2017-10-23 | 2017-10-23 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721459557.7U CN207382566U (en) | 2017-10-23 | 2017-10-23 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382566U true CN207382566U (en) | 2018-05-18 |
Family
ID=62334165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721459557.7U Active CN207382566U (en) | 2017-10-23 | 2017-10-23 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207382566U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218897A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN109286874A (en) * | 2018-10-26 | 2019-01-29 | 歌尔股份有限公司 | Acoustical generator and earphone |
| WO2020062696A1 (en) * | 2018-09-28 | 2020-04-02 | 歌尔股份有限公司 | Speaker module, and mobile terminal |
| CN111343546A (en) * | 2018-12-19 | 2020-06-26 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
| WO2020134460A1 (en) * | 2018-12-25 | 2020-07-02 | 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 |
| WO2021134466A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Speaker enclosure |
| WO2024145962A1 (en) * | 2023-01-04 | 2024-07-11 | 瑞声光电科技(常州)有限公司 | Sound production device |
-
2017
- 2017-10-23 CN CN201721459557.7U patent/CN207382566U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218897A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| WO2020062696A1 (en) * | 2018-09-28 | 2020-04-02 | 歌尔股份有限公司 | Speaker module, and mobile terminal |
| CN109286874A (en) * | 2018-10-26 | 2019-01-29 | 歌尔股份有限公司 | Acoustical generator and earphone |
| CN111343546A (en) * | 2018-12-19 | 2020-06-26 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
| WO2020134460A1 (en) * | 2018-12-25 | 2020-07-02 | 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 |
| WO2021134466A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Speaker enclosure |
| WO2024145962A1 (en) * | 2023-01-04 | 2024-07-11 | 瑞声光电科技(常州)有限公司 | Sound production device |
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