CN203574851U - Loudspeaker module - Google Patents
Loudspeaker module Download PDFInfo
- Publication number
- CN203574851U CN203574851U CN201320719102.XU CN201320719102U CN203574851U CN 203574851 U CN203574851 U CN 203574851U CN 201320719102 U CN201320719102 U CN 201320719102U CN 203574851 U CN203574851 U CN 203574851U
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- CN
- China
- Prior art keywords
- loud speaker
- speaker module
- loudspeaker monomer
- housing
- leak holes
- 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
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- 239000000178 monomer Substances 0.000 claims description 46
- 230000000994 depressogenic effect Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model discloses a loudspeaker module, which relates to the technical field of electroacoustic products, and comprises an outer shell, wherein a loudspeaker single body is accommodated in the outer shell, the outer shell is provided with a leakage hole, the leakage hole is communicated with a rear sound cavity of the loudspeaker module, and the leakage hole is arranged in a position within an orthographic projection range of the loudspeaker single body or close to the orthographic projection range of the loudspeaker single body. The loudspeaker module solves the technical problems such as low acoustic performance of loudspeaker modules with large rear cavities in the prior art. The loudspeaker module provided by the utility model is high in acoustic performance and has long service life.
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, in shell, contain loudspeaker monomer, the cavity that one side of the outside radiation sound of loudspeaker monomer and shell surround is the front operatic tunes of loud speaker module, and the cavity that the opposite side of loudspeaker monomer and shell surround is the rear operatic tunes of loud speaker module.Shell is provided with the leak holes communicating with the rear operatic tunes, the inside and outside pressure difference of module that leak holes can balance vibrating diaphragm produces during vibration, the dissipation of heat that module internal can also be produced be gone out, and generally leak holes is all arranged on after module the operatic tunes away from one end of loudspeaker monomer.
Yet; in some larger modules; such as the module being applied in the electronic equipment that pad equal-volume is larger; the volume of these modules is larger; thereafter the volume of the operatic tunes is also larger; and mostly be the elongate structure that length-width ratio is larger; as shown in Figure 4; leak holes 12a is arranged on the first housing 10a away from one end of loudspeaker monomer; because leak holes 12a is apart from loudspeaker monomer (the orthographic projection region that the region that dotted line 60 surrounds is loudspeaker monomer); owing to conventionally can filling acoustical cotton in the operatic tunes after module, acoustical cotton has further hindered the circulation of air-flow again.So, leak holes on the loud speaker module of this kind of structure cannot well play the effect of balance module inner and outer air pressure, the dissipation of heat that simultaneously can not faster loudspeaker monomer be produced be gone out, serious reduction acoustical behavior and the useful life of loud speaker module.
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 acoustical behavior is high, long service life.
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 provided with leak holes, described leak holes is communicated with the rear operatic tunes of described loud speaker module, and described leak holes is arranged within the scope of the orthographic projection of described loudspeaker monomer or near the position of described loudspeaker monomer orthographic projection scope.
Wherein, described leak holes arranges near the back cavity sound hole of described loudspeaker monomer.
Wherein, described loud speaker module is narrow structure, and described loudspeaker monomer is arranged on one end of described loud speaker module.
Wherein, described shell comprises the first housing and the second housing combining, and described leak holes is positioned on described the first housing.
Wherein, described loudspeaker monomer comprises that edge is fixed on the vibrational system on described the second housing, also comprises and is arranged on described vibrational system rear end and is fixed on the magnetic circuit system on described the second housing.
Wherein, described magnetic circuit system comprises basin frame, the sidewall that described basin frame comprises diapire and is arranged on described bottom wall edge position, described sidewall is interrupted structure, the edge that described diapire is not provided with sidewall is provided with the depressed part extending to the centre of described diapire, the back cavity sound hole that the space that described depressed part is dodged out is described loudspeaker monomer.
Wherein, one end that described leak holes is positioned at described the first hull outside is coated with damping screen.
Adopted after technique scheme, the beneficial effects of the utility model are:
Due to the leak holes of the utility model loud speaker module be arranged within the scope of the orthographic projection of loudspeaker monomer or shell near the position of loudspeaker monomer orthographic projection scope on.Leak holes is near loudspeaker monomer setting, and the air-flow producing during vibrating diaphragm vibration can exchange by leak holes and extraneous air-flow easily, thus easily balance module inner and outer air pressure, make vibrating diaphragm vibrate more stablely.Simultaneously, because airflow is smooth and easy, the heat that loudspeaker monomer produces can distribute very rapidly, thereby effectively improved the THD(total harmonic distortion of loud speaker module), the distortion of HOHD(high order harmonic component) and sensitivity, promote the acoustical behavior of the loud speaker module that the rear operatic tunes is larger, extended the useful life of module.
Because the back cavity sound hole of leak holes near loudspeaker monomer arranges, further promoted the smoothness of airflow, thereby further promoted acoustical behavior and the useful life of loud speaker module.
In sum, the utility model loud speaker module has solved the technical problems such as loud speaker module acoustical behavior that in prior art, back cavity is larger is low.The utility model loud speaker module acoustical behavior is high, long service life.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of the utility model loud speaker module;
Fig. 2 is the constitutional diagram of Fig. 1;
Fig. 3 is the internal structure schematic diagram of the utility model loud speaker module;
Fig. 4 is the structural representation of loud speaker module in background technology;
In figure: 10a, the first housing, 10b, the first housing, 12a, leak holes, 12b, leak holes, the 20, second housing, 30, vibrational system, 32, vibrating diaphragm, 34, ball top, 40, magnetic circuit system, 42, basin frame, 420, diapire, 422, sidewall, 424, depressed part, 44, magnet, 46, washer, 50, damping screen, 60, dotted line, 70, back cavity sound hole.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
As shown in Figure 1, a kind of loud speaker module, for the larger slim-lined construction of length-width ratio, comprise the first housing 10b, the second housing 20 and the 3rd housing (not shown) that are together with each other, in the space that the first housing 10b, the second housing 20 and the 3rd housing surround, contain loudspeaker monomer, loudspeaker monomer is arranged on one end of loud speaker module.One side of the outside radiation sound of loudspeaker monomer and the second housing 20 and the 3rd housing surround the front operatic tunes of loud speaker module, and loudspeaker monomer and the second housing 20 and the first housing 10b surround the rear operatic tunes of loud speaker module.The upper position near loudspeaker monomer of the first housing 10b is provided with leak holes 12b, and the dissipation of heat that leak holes 12b can also produce loudspeaker monomer for balance module inner and outer air pressure is simultaneously gone out.The first housing 10b is inner side near a side of loudspeaker monomer, and the first housing 10b is outside away from a side of loudspeaker monomer, and one end that leak holes 12b is positioned at the first housing 10b outside is coated with damping screen 50.
As shown in Fig. 2 and Fig. 3 are common, leak holes 12b is arranged in the orthographic projection region (region that Fig. 2 dotted line 60 surrounds) of loudspeaker monomer, and near the position in a back cavity sound hole 70 of loudspeaker monomer.Leak holes 12b is near back cavity sound hole 70, the vibrating diaphragm 32(of loudspeaker monomer is as shown in Figure 1) when vibration the air-flow that produces can by leak holes 12b and extraneous air-flow, exchange easily, thereby easily balance module inner and outer air pressure, make vibrating diaphragm 32 vibrate more stablely, also the heat that makes loudspeaker monomer produce can distribute very rapidly, thereby effectively promoted the acoustical behavior of the loud speaker module that the rear operatic tunes is larger, extended the useful life of module.
As shown in Figure 1, the integrated module of loud speaker module, is positioned at loudspeaker monomer involving vibrations system 30 and the magnetic circuit system 40 of module shell.Vibrational system 30 comprises that edge part is fixed on the vibrating diaphragm 32 between the second housing 20 and the 3rd housing (not shown), vibrating diaphragm 32 is fixed with voice coil loudspeaker voice coil (not shown) away from a side of the 3rd housing, vibrating diaphragm 32 is provided with ball top 34 near the middle part of a side of the 3rd housing, and the end of voice coil loudspeaker voice coil is positioned at the magnetic gap of magnetic circuit system.Magnetic circuit system 40 is positioned at the rear end of vibrational system 30, magnetic circuit system 40 comprises the basin frame 42 being fixed on the second housing 20, basin frame 42 comprises sidewall 422 and diapire 420, sidewall 422 is vertically set on the position, four side edge of diapire 420, sidewall 422 is interrupted structure, be that sidewall 422 is equipped with perforate in four corner positions of diapire 420, on basin frame 42, be provided with successively magnet 44 and washer 46, between magnet 44 and washer 46 and the sidewall 422 of basin frame 42, be formed with magnetic gap.Voice coil loudspeaker voice coil is done the reciprocating cutting magnetic line of force according to the size and Orientation of the electric current by its coil and is moved in magnetic gap, drives vibrating diaphragm 32 to produce vibration, and vibrating diaphragm 32 is instigated air sounding, thereby realizes the conversion of electroacoustic.
As shown in Fig. 1 and Fig. 3 are common, the edge that four bights of diapire 420 are not provided with sidewall 422 is equipped with the depressed part 424 extending to the centre of diapire 420, the space that depressed part 424 is dodged out is the back cavity sound hole 70 of loudspeaker monomer, vibrating diaphragm 32 vibration send sound wave through back cavity sound hole 70 enter module after the operatic tunes.
As shown in Fig. 2 and Fig. 3 are common, leak holes 12b in the present embodiment arranges near the back cavity sound hole 70 of loudspeaker monomer, for preferred version of the present utility model, in practical application, leak holes also can be arranged on other position within the scope of loudspeaker monomer orthographic projection, or be arranged on the outer position near loudspeaker monomer of loudspeaker monomer orthographic projection scope, can play equally balance module inner and outer air pressure, improve the effect of radiating effect.
The utility model leak holes is arranged on the position near loudspeaker monomer, in order to balance module inner and outer air pressure, improves the technical scheme of radiating effect, is not only applicable on the integrated module in above-mentioned execution mode, is also applicable on the loud speaker module of split; Be not only applicable on three shell modules, also be applicable on two shell modules, those skilled in the art does not need to pay performing creative labour according to the introduction of this specification and just the technical solution of the utility model can be transplanted in each above-mentioned loud speaker module, therefore be not described in detail in this for the embodiment of above-mentioned each loud speaker module.
In the utility model, 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.
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 (7)
1. loud speaker module, comprise shell, in described shell, contain loudspeaker monomer, described shell is provided with leak holes, described leak holes is communicated with the rear operatic tunes of described loud speaker module, it is characterized in that, described leak holes is arranged within the scope of the orthographic projection of described loudspeaker monomer or near the position of described loudspeaker monomer orthographic projection scope.
2. loud speaker module according to claim 1, is characterized in that, described leak holes arranges near the back cavity sound hole of described loudspeaker monomer.
3. loud speaker module according to claim 2, is characterized in that, described loud speaker module is narrow structure, and described loudspeaker monomer is arranged on one end of described loud speaker module.
4. according to the loud speaker module described in claims 1 to 3 any one claim, it is characterized in that, described shell comprises the first housing and the second housing combining, and described leak holes is positioned on described the first housing.
5. loud speaker module according to claim 4, it is characterized in that, described loudspeaker monomer comprises that edge is fixed on the vibrational system on described the second housing, also comprises and is arranged on described vibrational system rear end and is fixed on the magnetic circuit system on described the second housing.
6. loud speaker module according to claim 5, it is characterized in that, described magnetic circuit system comprises basin frame, the sidewall that described basin frame comprises diapire and is arranged on described bottom wall edge position, described sidewall is interrupted structure, the edge that described diapire is not provided with sidewall is provided with the depressed part extending to the centre of described diapire, the back cavity sound hole that the space that described depressed part is dodged out is described loudspeaker monomer.
7. loud speaker module according to claim 6, is characterized in that, one end that described leak holes is positioned at described the first hull outside is coated with damping screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719102.XU CN203574851U (en) | 2013-11-14 | 2013-11-14 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719102.XU CN203574851U (en) | 2013-11-14 | 2013-11-14 | Loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574851U true CN203574851U (en) | 2014-04-30 |
Family
ID=50542558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320719102.XU Expired - Lifetime CN203574851U (en) | 2013-11-14 | 2013-11-14 | Loudspeaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203574851U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106101946A (en) * | 2016-06-17 | 2016-11-09 | 深圳市信维通信股份有限公司 | Speakerbox package assembly, system and method |
| CN106658270A (en) * | 2015-11-03 | 2017-05-10 | 宏碁股份有限公司 | Speaker box and electronic device using same |
| WO2018218766A1 (en) * | 2017-05-31 | 2018-12-06 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| CN110839194A (en) * | 2019-11-09 | 2020-02-25 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
-
2013
- 2013-11-14 CN CN201320719102.XU patent/CN203574851U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658270A (en) * | 2015-11-03 | 2017-05-10 | 宏碁股份有限公司 | Speaker box and electronic device using same |
| CN106101946A (en) * | 2016-06-17 | 2016-11-09 | 深圳市信维通信股份有限公司 | Speakerbox package assembly, system and method |
| WO2018218766A1 (en) * | 2017-05-31 | 2018-12-06 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| CN110839194A (en) * | 2019-11-09 | 2020-02-25 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
| CN110839194B (en) * | 2019-11-09 | 2022-04-26 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
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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: 20140430 |