CN207869374U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN207869374U CN207869374U CN201820150197.0U CN201820150197U CN207869374U CN 207869374 U CN207869374 U CN 207869374U CN 201820150197 U CN201820150197 U CN 201820150197U CN 207869374 U CN207869374 U CN 207869374U
- Authority
- CN
- China
- Prior art keywords
- loudspeaker enclosure
- upper cover
- shell
- vibrating diaphragm
- steel disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a kind of loudspeaker enclosure, include shell with receiving space, the sounding monomer that is contained in the receiving space, be formed in the shell lead sound channel, through the shell through-hole, be fixed on the shell and the steel disc of the through-hole be completely covered and is sticked and be fixed on the regulating course close to the ante-chamber side of the steel disc；This steel disc is oppositely arranged with the sounding monomer, the sounding monomer includes vibrating diaphragm, the operatic tunes and back cavity before the receiving space is separated by the vibrating diaphragm, the preceding operatic tunes is in communication with the outside and ante-chamber is collectively formed with the preceding operatic tunes by the sound channel of leading, the through-hole is connected to the ante-chamber, and the regulating course is arranged with the vibrating diaphragm face.Compared with the relevant technologies, the loudspeaker enclosure acoustical behavior of the utility model is excellent.
Description
Technical field
The utility model is related to loudspeaker enclosure more particularly to a kind of loudspeaker enclosures applying to portable electronic product.
Background technology
The loudspeaker enclosure of the relevant technologies includes that upper cover and the upper cover assemble and to form the lower cover of receiving space, be contained in this
Sounding monomer in receiving space and be formed in upper cover lead sound channel, the sounding monomer surrounds the preceding operatic tunes with the upper cover,
The preceding operatic tunes is in communication with the outside and ante-chamber is collectively formed by the sound channel of leading；The upper cover includes upper cover plate, through described
Upper cover plate is arranged and the through-hole that be connected to the ante-chamber and is embedded at the upper cover plate and complete covers the steel disc for setting the through-hole, institute
It states steel disc and is sticked by double faced adhesive tape and be fixed on the upper cover plate.
However, in the loudspeaker enclosure of the relevant technologies, the steel disc is plate-like structure, when the connection institute for leading sound channel
When the open height of the position of the operatic tunes meets before stating, the oscillation space height of the steel disc to the vibrating diaphragm is excessive, and is limited to tie
The height that structure designs the oscillation space is difficult to accommodation so that the upper limiting frequency fh of the preceding operatic tunes is lower, and distortion effect is poor, and total harmonic wave loses
True THD is deteriorated, and influences acoustical behavior.
Therefore, it is necessary to provide a kind of new loudspeaker enclosure solution above-mentioned technical problem.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical problems, provide a kind of loudspeaker enclosure that acoustical behavior is excellent.
The utility model provides a kind of loudspeaker enclosure, includes shell with receiving space, is contained in the receiving space
Sounding monomer, be formed in the shell lead sound channel, through the shell through-hole, be fixed on the shell and cover completely
It covers the steel disc of the through-hole and is sticked and be fixed on the regulating course close to the ante-chamber side of the steel disc；Institute this steel disc with it is described
Sounding monomer is oppositely arranged, and the sounding monomer includes vibrating diaphragm, and the receiving space is separated into the preceding operatic tunes with after by the vibrating diaphragm
The preceding operatic tunes is in communication with the outside and ante-chamber, the through-hole and institute is collectively formed with the preceding operatic tunes by chamber, the sound channel of leading
Ante-chamber connection is stated, the regulating course is arranged with the vibrating diaphragm face.
Preferably, the regulating course is made of flexible glue or ebonite material.
Preferably, the regulating course is integrated injection molding with the steel disc.
Preferably, the shell includes upper cover and assembles the lower cover to form the receiving space with the upper cover, described to shake
Film surrounds the preceding operatic tunes with the upper cover, and the vibrating diaphragm surrounds the back cavity jointly with the upper cover and the lower cover, described
It leads sound channel and is formed in the upper cover, the through-hole is arranged through the upper cover.
Preferably, the loudspeaker enclosure further includes adhesive linkage, and the steel disc is fixed on the upper cover by the adhesive linkage.
Preferably, the adhesive linkage is double faced adhesive tape.
Preferably, the lateral lower cover direction far from the lower cover of the upper cover is recessed to form fixing groove, described
Fixing groove is arranged around the through-hole, and the steel disc is arranged in be formed in the fixing groove and fix.
Compared with prior art, in loudspeaker enclosure provided by the utility model, in the steel disc close to the ante-chamber
Side is sticked the regulating course, and the regulating course is made to be arranged with the vibrating diaphragm face, is fixed on the shell in the steel disc
In the case of the outlet sound mouth requirement for height with the preceding operatic tunes junction for leading sound channel described in satisfaction, described in adjusted design
The thickness of regulating course realizes the oscillation space height for adjusting the vibrating diaphragm to change the vibrating diaphragm to the spacing of the regulating course
Be unlikely to excessive in the reasonable scope, the upper limiting frequency fh for avoiding the loudspeaker enclosure is relatively low, resonant frequency is higher and
The generation for phenomena such as total harmonic distortion is bad, and then improve the acoustical behavior of the loudspeaker enclosure.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；
Fig. 2 is the stereochemical structure exploded view of the utility model loudspeaker enclosure；
Fig. 3 is the sectional view of the line A-A along Fig. 1.
Specific implementation mode
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
It please refers to Fig.1 shown in -3, the utility model provides a kind of loudspeaker enclosure 100, including shell 1, sounding monomer 2, leads
Sound channel 3, through-hole 4, steel disc 5, regulating course 6 and adhesive linkage 7.
The shell 1 has receiving space 10.In present embodiment, the shell 1 includes upper cover 11 and the upper cover group
With the lower cover 12 for forming the receiving space 10.
The sounding monomer 2 is contained in the receiving space 10.
The sounding monomer 2 includes vibrating diaphragm 21, the operatic tunes 8 and back cavity before the receiving space 10 is separated by the vibrating diaphragm 21
101。
Specifically, the vibrating diaphragm 21 surrounds the preceding operatic tunes 8 with the upper cover 11；The vibrating diaphragm 21 and the upper cover 11 and
The lower cover 12 surrounds the back cavity 101 jointly, for improving frequency acoustic performance.
The sound channel 3 of leading is formed in the shell 1.The preceding operatic tunes 8 is in communication with the outside by the sound channel 3 of leading, and
Ante-chamber 102 is collectively formed with the preceding operatic tunes 8 in the sound channel 3 of leading, and is used to form side vocal structure.
In present embodiment, the sound channel 3 of leading is formed in the upper cover 11.
The through-hole 4 is arranged through the shell 1, and the through-hole 4 is connected to the ante-chamber 102.Specifically, the through-hole
4 are arranged through the upper cover 11.
The steel disc 5 is fixed on the shell 1 and the through-hole 4 is completely covered.In present embodiment, the steel disc 5 is solid
Due to the upper cover 11, the high-frequency acoustic performance for improving the preceding operatic tunes 8.
In present embodiment, the steel disc 5 is plate-like structure, and the sounding monomer 2 is completely covered and part covers
It is described to lead sound channel 3.
The regulating course 6 be sticked be fixed on the steel disc 5 close to the side of the ante-chamber 102, and the regulating course 6 with
21 face of the vibrating diaphragm is arranged.The regulating course 6 can be used for adjusting the height of the oscillation space of the vibrating diaphragm 21.
It is fixed on the upper cover 11 in the steel disc 5 to lead sound channel 3 described in satisfaction and 8 junction of the preceding operatic tunes
In the case that open height (height of speaking) of speaking requires, by adjusting the thickness of the regulating course 6 to change the vibrating diaphragm 21
To the spacing of the regulating course 6, to realize that the oscillation space height for adjusting the vibrating diaphragm 21 was unlikely in the reasonable scope
Greatly, phenomena such as upper limiting frequency fh that avoids the loudspeaker enclosure 100 is relatively low, resonant frequency is higher and total harmonic distortion is bad
Generation, and then improve the acoustical behavior of the loudspeaker enclosure 100.
Meanwhile the structure of the regulating course 6 does not interfere with the flatness of the steel disc 5.
In present embodiment, the regulating course 6 is made of flexible glue or ebonite material, but not limited to this, principle is all.
More preferably, the steel disc 5 is integrated injection molding with the regulating course 6.
The steel disc 5 is fixed on the upper cover 11 by the adhesive linkage 7.In present embodiment, the adhesive linkage 7 is two-sided
Glue, but not limited to this.
More preferably, lateral 12 direction of the lower cover far from the lower cover 12 of the upper cover 11 is recessed to form fixing groove
111, the fixing groove 111 is arranged around the through-hole 4, and the periphery of the steel disc 5, which is arranged in the fixing groove 111, passes through institute
It states adhesive linkage 7 and forms fixation.The setting of the fixing groove 111 is so that the steel disc 5 is not take up the entirety of the loudspeaker enclosure 100
Highly, miniaturization and utilization are utilized.
Compared with prior art, in loudspeaker enclosure provided by the utility model, in the steel disc close to the ante-chamber
Side is sticked the regulating course, and the regulating course is made to be arranged with the vibrating diaphragm face, is fixed on the shell in the steel disc
In the case of the outlet sound mouth requirement for height with the preceding operatic tunes junction for leading sound channel described in satisfaction, described in adjusted design
The thickness of regulating course realizes the oscillation space height for adjusting the vibrating diaphragm to change the vibrating diaphragm to the spacing of the regulating course
Be unlikely to excessive in the reasonable scope, the upper limiting frequency fh for avoiding the loudspeaker enclosure is relatively low, resonant frequency is higher and
The generation for phenomena such as total harmonic distortion is bad, and then improve the acoustical behavior 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, includes shell with receiving space, the sounding monomer that is contained in the receiving space, is formed in
The shell lead sound channel, through the shell through-hole and be fixed on the shell and the steel of the through-hole be completely covered
Piece, this steel disc are oppositely arranged with the sounding monomer；The sounding monomer includes vibrating diaphragm, and the vibrating diaphragm is by the receiving space
The operatic tunes and back cavity before being separated into, it is described to lead before the preceding operatic tunes is in communication with the outside and is collectively formed with the preceding operatic tunes by sound channel
Chamber, the through-hole are connected to the ante-chamber, which is characterized in that the loudspeaker enclosure further includes being sticked to be fixed on leaning on for the steel disc
The regulating course of the nearly ante-chamber side, the regulating course are arranged with the vibrating diaphragm face.
2. loudspeaker enclosure according to claim 1, which is characterized in that the regulating course is made of flexible glue or ebonite material.
3. loudspeaker enclosure according to claim 2, which is characterized in that the regulating course is integrated with the steel disc and is molded into
Type.
4. loudspeaker enclosure according to claim 1, which is characterized in that the shell includes upper cover and assembled with the upper cover
Form the lower cover of the receiving space, the vibrating diaphragm and the upper cover surround the preceding operatic tunes, the vibrating diaphragm and the upper cover and
The lower cover surrounds the back cavity jointly, and the sound channel of leading is formed in the upper cover, and the through-hole is arranged through the upper cover.
5. loudspeaker enclosure according to claim 4, which is characterized in that the loudspeaker enclosure further includes adhesive linkage, the steel
Piece is fixed on the upper cover by the adhesive linkage.
6. loudspeaker enclosure according to claim 5, which is characterized in that the adhesive linkage is double faced adhesive tape.
7. loudspeaker enclosure according to claim 4, which is characterized in that the lateral institute far from the lower cover of the upper cover
It states lower cover direction to be recessed to form fixing groove, the fixing groove is arranged around the through-hole, and the steel disc is arranged in the fixing groove
Interior formation is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150197.0U CN207869374U (en) | 2018-01-27 | 2018-01-27 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150197.0U CN207869374U (en) | 2018-01-27 | 2018-01-27 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207869374U true CN207869374U (en) | 2018-09-14 |
Family
ID=63459351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820150197.0U Expired - Fee Related CN207869374U (en) | 2018-01-27 | 2018-01-27 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207869374U (en) |
-
2018
- 2018-01-27 CN CN201820150197.0U patent/CN207869374U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20210127 |