CN203788454U - Loudspeaker module - Google Patents
Loudspeaker module Download PDFInfo
- Publication number
- CN203788454U CN203788454U CN201420123157.9U CN201420123157U CN203788454U CN 203788454 U CN203788454 U CN 203788454U CN 201420123157 U CN201420123157 U CN 201420123157U CN 203788454 U CN203788454 U CN 203788454U
- Authority
- CN
- China
- Prior art keywords
- housing
- ultrasound lines
- shell
- loud speaker
- speaker module
- 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 - Lifetime
Links
- 238000002604 ultrasonography Methods 0.000 claims description 56
- 239000000178 monomer Substances 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 230000003796 beauty Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a loudspeaker module, and relates to the technical field of electroacoustic products. The loudspeaker module comprises a housing, wherein the housing is accommodated with a loudspeaker single body and formed by combining at least two shells, one of the shells is provided with a first ultrasonic line used for being combined with the other shell, and the first ultrasonic line is of a continuously closed annular structure; the shell on which the first ultrasonic line is arranged is further provided with a second ultrasonic line, the second ultrasonic line and the first ultrasonic line are located at the same side of the shell, and the second ultrasonic line is located at the outer side of the first ultrasonic line and located at the edge part of the shell. The loudspeaker module disclosed by the utility model solves a technical problem that ultrasonic welding between shells of a loudspeaker module in the prior art is difficult to meet design requirements. The loudspeaker module not only can ensure the volume of a front acoustic cavity and a rear acoustic cavity, meet requirements for the acoustic performance of products, but also can satisfy the airtightness between the shells, and can also ensure the beauty of the product appearance.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of loud speaker module.
Background technology
Loud speaker module is the important acoustic element of portable electric appts, it comprises shell, shell is combined into by least two housings, in the cavity that each housing surrounds, contains loudspeaker monomer, and loudspeaker monomer is divided into whole module inner chamber former and later two operatic tunes of mutual isolation.
Between each housing of loud speaker module, be mostly to carry out combination by ultrasonic welding process; this just need to arrange ultrasound lines and improve welding quality on housing; in prior art, ultrasound lines can be arranged on the edge of housing conventionally, but the design of this ultrasound lines can be difficult to meet design requirement in some module design:
One, the forward and backward operatic tunes volume requirement tighter module of acoustics to module:
In this kind of module, if ultrasound lines is designed to the marginal position at housing, can make the volume of the forward and backward operatic tunes excessive, cannot meet acoustical behavior.
Two, the more complicated module of shell rim structure:
There will be welding bad, reduce the sealing between housing, thereby can reduce the acoustical behavior of module; Also there will be shell rim perk, material extrusion etc. bad, can affect the aesthetic feeling of module outward appearance.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of loud speaker module, and this loud speaker module can ensure the volume of the forward and backward operatic tunes, meets the requirement of product acoustical behavior, can meet again the sealing between housing, can also ensure the aesthetic feeling of product appearance.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of loud speaker module, comprise shell, in described shell, contain loudspeaker monomer, described shell is combined into by least two housings, described in one of them, housing is provided with the first ultrasound lines for combining with housing described in another, and described the first ultrasound lines is closed continuously circulus; Be provided with on the described housing of described the first ultrasound lines and be also provided with the second ultrasound lines, described the second ultrasound lines and described the first ultrasound lines are positioned at the homonymy of described housing, and described the second ultrasound lines is positioned at described the first ultrasound lines outside, and are positioned at the edge of described housing.
Wherein, described the second ultrasound lines is interrupted structure.
Wherein, described shell is made up of the first housing combining successively, the second housing and the 3rd housing, and described the first ultrasound lines and described the second ultrasound lines are all positioned on described the first housing.
Wherein, described loudspeaker monomer involving vibrations system and magnetic circuit system, described magnetic circuit system comprises basin frame, on described basin frame, is fixed with successively magnet and washer; Described the 3rd housing is provided with installing hole, and the bottom of described installing hole and described basin frame is suitable.
Wherein, on described the 3rd housing, be also provided with for being communicated with leak holes extraneous and module inner chamber.
Wherein, one end that described leak holes is positioned at described the 3rd hull outside is coated with damping screen.
Adopted after technique scheme, the beneficial effects of the utility model are:
Because the shell of the utility model loud speaker module is combined into by least two housings, one of them housing is provided with the first ultrasound lines for combining with another housing, and the first ultrasound lines is closed continuously circulus; Be provided with on the housing of the first ultrasound lines and be also provided with the second ultrasound lines, the second ultrasound lines is positioned at the outside of the first ultrasound lines, and is positioned at the edge of housing.The first ultrasound lines is positioned at inner side, for the sealing between housing, can meet the sealing requirements between housing, can ensure that again the forward and backward operatic tunes volume of module can be not excessive, thereby meet the acoustical behavior of module.The second ultrasound lines is located at the edge of housing, can effectively prevent shell rim perk, makes the profile of module more attractive in appearance.
Because the second ultrasound lines is interrupted structure, the second ultrasound lines is designed to interrupted structure according to the marginal texture of housing, having ensured that the phenomenon of material extrusion can not occur again in can perk shell rim, further improves the aesthetic feeling of module outward appearance.
In sum, the utility model loud speaker module has solved the technical problem that in prior art, between the housing of loud speaker module, ultra-sonic welded is difficult to meet design requirement.The utility model loud speaker module can ensure the volume of the forward and backward operatic tunes, meets the requirement of product acoustical behavior, can meet again the sealing between housing, can also ensure the aesthetic feeling of product appearance.
Brief description of the drawings
Fig. 1 is the stereo decomposing structural representation of the utility model loud speaker module;
Fig. 2 is that constitutional diagram-three housing of Fig. 1 is upper;
Fig. 3 is that constitutional diagram-the first housing of Fig. 1 is upper;
Fig. 4 is the A-A line cutaway view Amplified image of Fig. 3;
Fig. 5 is the structural representation of the first housing of the utility model loud speaker module;
In figure: 10, the first housing, 12, the first ultrasound lines, 14, the second ultrasound lines, 20, the second housing, 30, the 3rd housing, 32, leak holes, 34, installing hole, 40, vibrational system, 42, vibrating diaphragm, 44, ball top, 46, voice coil loudspeaker voice coil, 48, voice coil leads, 50, magnetic circuit system, 52, basin frame, 540, internal magnet, 542, external magnet, 560, interior washer, 562, outer washer, 60, FPCB, 70, damping screen, 80, the front operatic tunes, 82, the rear operatic tunes.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
Shown in common with Fig. 3 as shown in Figure 1, Figure 2, a kind of loud speaker module, comprise the first housing 10, the second housing 20 and the 3rd housing 30 that combine successively, in the space that the first housing 10, the second housing 20 and the 3rd housing 30 surround, contain loudspeaker monomer, loudspeaker monomer involving vibrations system 40 and magnetic circuit system 50.The front operatic tunes 80(that loudspeaker monomer and the first housing 10 and the second housing 20 surround module is jointly shown in Fig. 4), the rear operatic tunes 82(that loudspeaker monomer and the second housing 20 and the 3rd housing 30 surround module is jointly shown in Fig. 4).Module also comprises the FPCB60 for being electrically connected loudspeaker monomer and external circuit, and one end of FPCB60 is fixed on the second housing 20 and with loudspeaker monomer and is electrically connected, and the other end stretches out module inner chamber and is electrically connected with module external circuit.
As shown in Fig. 1, Fig. 4 and Fig. 5 are common, the side combining with the second housing 20 on the first housing 10 is provided with the first ultrasound lines 12, the first ultrasound lines 12 is closed continuously circulus, it is around the periphery that is arranged on the front operatic tunes 80, having ensured between the first housing 10 and the second housing 20 in sealing, also define the volume of the front operatic tunes 80, make the volume of the front operatic tunes 80 can meet the acoustical behavior of module.Also be provided with the second ultrasound lines 14 at the homonymy of the first housing, the second ultrasound lines 14 is positioned at the outside of the first ultrasound lines 12, only below the first ultrasound lines 12, be provided with the second ultrasound lines 14 with left side in the present embodiment, and the second ultrasound lines 14 is interrupted structure, the phenomenon of material extrusion when the second ultrasound lines 14 can effectively be stopped housing perk or ultra-sonic welded, makes the profile of module more attractive in appearance.
The below of above-mentioned the first ultrasound lines 12 and left side are only to come definite orientation according to Fig. 5, are not absolute orientation.And the setting position of the second ultrasound lines 14 and quantity, length etc. are all to set according to the concrete structure of housing, its can be only in a side setting of the first ultrasound lines 12, also can all arrange in the surrounding of the first ultrasound lines 12, its quantity and length designer also can increase and decrease according to the concrete condition of housing, are not limited to the present embodiment.
As shown in Fig. 1 and Fig. 4 are common, vibrational system 40 comprises that edge part is fixed on the vibrating diaphragm 42 on the second housing 20, vibrating diaphragm 42 is fixed with ball top 44 with respect to the middle part of a side of the first housing 10, the opposite side of vibrating diaphragm 42 is fixed with voice coil loudspeaker voice coil 46, the coiling tap of voice coil loudspeaker voice coil 46 is voice coil leads 48, and voice coil leads 48 is electrically connected with FPCB60.Magnetic circuit system 50 comprises basin frame 52, basin frame 52 comprise a bottom and be positioned at the edge of two bottom sides minor face and with bottom vertical arrange sidewall, on the long limit, both sides of basin frame 52 bottoms, be provided with successively respectively external magnet 542 and the outer washer 562 of bar shaped, the middle part of basin frame 52 is fixed with internal magnet 540, is fixed with interior washer 560 on internal magnet 540.Internal magnet 540 and interior washer 560 form internal magnetic circuit, and external magnet 542 and outer washer 562 form external magnetic circuit, between internal magnetic circuit and external magnetic circuit, are provided with magnetic gap.The end of voice coil loudspeaker voice coil 46 is positioned at magnetic gap, and voice coil loudspeaker voice coil 46 does the motion of the reciprocating cutting magnetic line of force according to the size and Orientation of the alternating current by its coiling in magnetic gap, drives vibrating diaphragm 42 to instigate air sounding, thereby completes the power conversion between electroacoustic.
As shown in Fig. 1 and Fig. 2 are common, the 3rd housing 30 is provided with an installing hole 34, the bottom of shape, size and the basin frame 52 of installing hole 34 is suitable, in the time carrying out loud speaker module group assembling, basin frame 52 bottoms are installed in installing hole 34, the outer surface of basin frame 52 bottoms can flush with the outer surface of the 3rd housing 30, can effectively reduce like this thickness of loud speaker module, is conducive to the slimming development of loud speaker module.
As shown in Fig. 1 and Fig. 2 are common, the 3rd housing 30 be provided with one be communicated with extraneous see Fig. 4 with rear operatic tunes 82() leak holes 32, leak holes 32 is for balance module inner and outer air pressure, also has the function that the heat that produces when loudspeaker monomer is worked distributes rapidly.Defining the side that the 3rd housing 30 is positioned at module internal is inner side, and a side that is positioned at module outside is outside, and one end that leak holes 32 is positioned at the 3rd housing 30 outsides is coated with damping screen 70.
The present embodiment is that two ultrasound lines have been arranged between two housings for sealing the front operatic tunes, in actual applications, according to the designing requirement of module, two ultrasonic line structures can be arranged between two housings for sealing the rear operatic tunes equally, can obtain same technique effect with the present embodiment.
In the present embodiment, the name of the first housing, the second housing and the 3rd housing, just in order to distinguish technical characterictic, does not represent the erection sequence between three, job order and position relationship etc.
In the present embodiment, the name of the first ultrasound lines and the second ultrasound lines, just in order to distinguish technical characterictic, does not represent the erection sequence between the two, job order and position relationship etc.
In above-described embodiment, only the module taking shell as three housings describes in detail as example, in practical application, the structure of two ultrasound lines is equally applicable in loud speaker module that shell is two housings, the execution mode of its embodiment and above-described embodiment is basically identical, therefore be not described in detail in this.
Above-described embodiment only describes in detail as an example of integrated module example, and in practical application, the structure of two ultrasound lines is equally applicable to embedded module, and the execution mode of its embodiment and above-described embodiment is basically identical, therefore be not described in detail in this.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection range of the present utility model.
Claims (6)
1. loud speaker module, comprise shell, in described shell, contain loudspeaker monomer, described shell is combined into by least two housings, it is characterized in that, described in one of them, housing is provided with the first ultrasound lines for combining with housing described in another, and described the first ultrasound lines is closed continuously circulus; Be provided with on the described housing of described the first ultrasound lines and be also provided with the second ultrasound lines, described the second ultrasound lines and described the first ultrasound lines are positioned at the homonymy of described housing, and described the second ultrasound lines is positioned at described the first ultrasound lines outside, and are positioned at the edge of described housing.
2. loud speaker module according to claim 1, is characterized in that, described the second ultrasound lines is interrupted structure.
3. loud speaker module according to claim 1 and 2, is characterized in that, described shell is made up of the first housing combining successively, the second housing and the 3rd housing, and described the first ultrasound lines and described the second ultrasound lines are all positioned on described the first housing.
4. loud speaker module according to claim 3, is characterized in that, described loudspeaker monomer involving vibrations system and magnetic circuit system, and described magnetic circuit system comprises basin frame, on described basin frame, is fixed with successively magnet and washer; Described the 3rd housing is provided with installing hole, and the bottom of described installing hole and described basin frame is suitable.
5. loud speaker module according to claim 3, is characterized in that, is also provided with for being communicated with leak holes extraneous and module inner chamber on described the 3rd housing.
6. loud speaker module according to claim 5, is characterized in that, one end that described leak holes is positioned at described the 3rd hull outside is coated with damping screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123157.9U CN203788454U (en) | 2014-03-18 | 2014-03-18 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123157.9U CN203788454U (en) | 2014-03-18 | 2014-03-18 | Loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788454U true CN203788454U (en) | 2014-08-20 |
Family
ID=51324602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420123157.9U Expired - Lifetime CN203788454U (en) | 2014-03-18 | 2014-03-18 | Loudspeaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203788454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020113741A1 (en) * | 2018-12-03 | 2020-06-11 | 歌尔股份有限公司 | Speaker outer housing and forming method thereof |
-
2014
- 2014-03-18 CN CN201420123157.9U patent/CN203788454U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020113741A1 (en) * | 2018-12-03 | 2020-06-11 | 歌尔股份有限公司 | Speaker outer housing and forming method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |