CN205356673U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
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- CN205356673U CN205356673U CN201521134687.4U CN201521134687U CN205356673U CN 205356673 U CN205356673 U CN 205356673U CN 201521134687 U CN201521134687 U CN 201521134687U CN 205356673 U CN205356673 U CN 205356673U
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Abstract
The utility model discloses a loudspeaker module group, including the module shell, the speaker monomer has been accommodated in the module shell, the speaker monomer separates whole module inner chamber for two cavitys of the preceding operatic tunes and the back operatic tunes, the preceding operatic tunes communicates with each other with the phonate hole, and, it inhales sound spare to be equipped with in the preceding operatic tunes, it fixes to inhale sound spare on the module shell, just it avoids to inhale sound spare the vibration space of speaker monomer vibrating diaphragm sets up. The utility model discloses a being equipped with in loudspeaker module group's the preceding operatic tunes and inhaling sound spare, go up with regard to the effectual high frequency sensitivity that has improved the module on operatic tunes cavity structures's basis before need not changing, has not only improved the acoustic performance of module, and the preceding operatic tunes structure of module has still been simplified to the while.
Description
Technical field
This utility model relates to acoustic-electric switch technology field, more specifically, relates to a kind of speaker module.
Background technology
Speaker module is the important acoustic element of portable electric appts, has been used for the conversion between the signal of telecommunication and acoustical signal, is a kind of energy conversion device.Existing speaker module generally includes shell, contains loudspeaker monomer in shell, and loudspeaker monomer includes vibrational system and magnetic circuit system.Vibrational system includes the vibrating diaphragm and the voice coil loudspeaker voice coil that are fixed together, and magnetic circuit system includes U ferrum and is sequentially fixed at the Magnet on U ferrum and washer.Whole module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes by loudspeaker monomer.
A lot of speaker modules to go out acoustic aperture general not just to vibrating diaphragm, most of sound wave that loudspeaker monomer sends can not directly be radiate, but could radiate from going out acoustic aperture through the reflection of anterior cavity wall, after now the transmitted wave of some high frequency sound wave is superimposed with echo, meeting forms standing wave in the front operatic tunes, sound wave is no longer pushed ahead, thus the sound wave of this frequency range also would not radiate from going out acoustic aperture, this frequency place sound pressure amplitudes of high frequency is caused to strongly reduce, the sensitivity curve of speaker module produces deep valley near this frequency, serious have impact on the sensitivity in this frequency range of the speaker module, reduce the acoustical behavior of module, cause the performance deficiency of module.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of speaker module, and this speaker module effectively improves high-frequency sensitivity.
For solving the problems referred to above, the technical solution of the utility model is:
A kind of speaker module, including module shell, loudspeaker monomer is contained in described module shell, whole module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes by described loudspeaker monomer, the described front operatic tunes communicates with going out acoustic aperture, and, it is provided with sound-absorbing part in the described front operatic tunes, described sound-absorbing part is fixed on described module shell, and described sound-absorbing part avoids the oscillation space setting of described loudspeaker monomer vibrating diaphragm.
As a kind of embodiment, described sound-absorbing part is zeolite, tripolycyanamide, activated carbon, white carbon or sepiolite cashmere.
As a kind of embodiment, described sound-absorbing part is fixed on the inwall of the described module shell relative with the face of speaking of described loudspeaker monomer.
Wherein, described module shell includes the first housing, the second housing and the 3rd housing that combine, and described first housing, described second housing and described loudspeaker monomer surround the described front operatic tunes jointly, and described sound-absorbing part is arranged on the inwall of the first housing；Described second housing, described 3rd housing and described loudspeaker monomer surround the described rear operatic tunes jointly.
Wherein, between described first housing and described second housing, having a groove in described loudspeaker monomer relative position, face of speaking, one end of described sound-absorbing part is arranged in groove.
Wherein, described loudspeaker monomer includes monomer shell, vibrational system and magnetic circuit system is contained in monomer shell, described vibrational system includes the vibrating diaphragm that edge part is fixed on monomer shell, described vibrating diaphragm is fixed with voice coil loudspeaker voice coil near the side of described magnetic circuit system, described magnetic circuit system includes U ferrum, and the center bottom U ferrum is fixed with Magnet and washer successively.
Owing to being provided with sound-absorbing part in the front operatic tunes of this utility model speaker module, the high-frequency sensitivity just effectively improving module on the basis of front operatic tunes cavity body structure need not changed, not only increase the acoustical behavior of module, also simplify the front acoustical cavity of module simultaneously.
By referring to the accompanying drawing detailed description to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will be made apparent from.
Accompanying drawing explanation
By the content of the reference explanation below in conjunction with accompanying drawing and claims, and along with being more fully understood from of the present utility model, other purpose of the present utility model and result will be more apparent and should be readily appreciated that.In the accompanying drawings:
Fig. 1 is the decomposition texture schematic diagram of the speaker module according to this utility model embodiment；
Fig. 2 is the cross-sectional view of the speaker module according to this utility model embodiment.
Accompanying drawing labelling therein includes: the first housing 10, go out acoustic aperture the 12, second housing the 20, the 3rd housing 30, loudspeaker monomer 40, top dome 420, vibrating diaphragm 422, voice coil loudspeaker voice coil 424, U ferrum 440, Magnet 442, washer 444, sound-absorbing part 50.
Label identical in all of the figs indicates similar or corresponding feature or function.
Detailed description of the invention
Of the present utility model various exemplary embodiment is described in detail now with reference to accompanying drawing.It should also be noted that unless specifically stated otherwise, the parts otherwise set forth in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as any restriction to this utility model and application or use.
The technology and equipment that person of ordinary skill in the relevant is known is likely to be not discussed in detail, but in the appropriate case, described technology and equipment should be considered a part for description.
Shown here with in all examples discussed, any occurrence should be construed as merely exemplary, not as restriction.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter below figure represent similar terms, therefore, once a certain Xiang Yi accompanying drawing is defined, then it need not be further discussed in accompanying drawing subsequently.
As shown in Figure 1 and Figure 2, the speaker module of this utility model embodiment, including module shell, module shell includes the first housing the 10, second housing 20 and the 3rd housing 30 combined successively, containing loudspeaker monomer 40 in the space that first housing the 10, second housing 20 and the 3rd housing 30 surround, the first housing 10 and the second housing 20 cooperatively form out acoustic aperture 12.
Loudspeaker monomer 40 includes monomer shell, vibrational system and magnetic circuit system is contained in monomer shell, vibrational system includes the vibrating diaphragm 422 that edge is fixed on monomer shell, vibrating diaphragm 422 is fixed with top dome 420 near the middle part of the side of the first housing 10, and the opposite side of vibrating diaphragm 422 is fixed with voice coil loudspeaker voice coil 424.Magnetic circuit system includes U ferrum 440, the U ferrum 440 that sidepiece is fixed on the second housing 20 and includes the bottom of circle, and the periphery of bottom is provided with the sidewall vertical with bottom, and the center of bottom is fixed with Magnet 442 and washer 444 successively.Being provided with magnetic gap between the sidewall of Magnet 442 and washer 444 and U ferrum 440, the end of voice coil loudspeaker voice coil 424 is positioned at magnetic gap.Voice coil loudspeaker voice coil 424 moves up and down in magnetic gap according to by the size and Orientation of the audio signal in its coiling, and vibrating diaphragm 422 vibrates along with the up and down motion of voice coil loudspeaker voice coil 424, instigates air sounding, thus the energy conversion completed between electroacoustic.
Whole module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes by loudspeaker monomer 40, and first housing the 10, second housing 20 and loudspeaker monomer 40 surround the front operatic tunes jointly, and loudspeaker monomer the 40, second housing 20 and the 3rd housing 30 surround the rear operatic tunes jointly.The front operatic tunes communicates with going out acoustic aperture 12.Being provided with sound-absorbing part 50 in the front operatic tunes, sound-absorbing part 50 is fixed on the first housing 10, and sound-absorbing part 50 is fixed on the top of loudspeaker monomer, on the inwall of the first housing 10 that face of namely speaking with loudspeaker monomer 40 is relative.Between first housing 10 and the second housing 20, having a groove in loudspeaker monomer 40 relative position, face of speaking, one end of sound-absorbing part 50 is arranged in groove, and sound-absorbing part 50 and loudspeaker monomer 40 leave the space for vibrating diaphragm 422 vibration.Sound-absorbing part 50, for preventing the sound wave reflexing on this place's the first housing 10 inwall from producing standing wave, effectively improves the module sensitivity at high band, thus improve the acoustical behavior of module.Additionally in prior art, some module product can avoid the generation of standing wave by changing the structure of the front operatic tunes, but acoustical cavity will certainly increase the complexity of front acoustical cavity before changing, or the volume increasing speaker module extends sound wave propagation distance in the front operatic tunes, this utility model then need not change front cavity configuration just can extend sound wave propagation distance in the front operatic tunes, therefore obtains more excellent acoustical behavior under modular structure less, simpler.
The material of sound-absorbing part 50 of the present utility model can select the combination of the one or any kinds therein such as zeolite, tripolycyanamide, activated carbon, white carbon or sepiolite cashmere
The structure of sound-absorbing part 50 of the present utility model is not limited to above-described embodiment, technical staff can design the structure of sound-absorbing part according to the structure of the operatic tunes before module in reality, such as: sound-absorbing part can be circular, it is also possible to is annular, and this technical staff according to circumstances can choose at random.
This utility model sets up modular structure, front acoustical cavity and the sound-absorbing part structure that sound-absorbing part is not limited in above-described embodiment to the technical scheme improving module high frequency curve sensitivity in the front operatic tunes; as long as be provided with sound-absorbing part in the front operatic tunes; and sound-absorbing part is used to improve the product of module high frequency curve sensitivity; then no matter whether its modular structure, front acoustical cavity and sound-absorbing part structure be identical with this utility model, all falls within protection domain of the present utility model.
The name of the first housing, the second housing and the 3rd housing that relate in this utility model is intended merely to difference technical characteristic, does not represent the erection sequence between three, job order and position relationship etc..
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art, from above-mentioned design, without performing creative labour, made all conversion, all falls within protection domain of the present utility model.
Claims (6)
1. speaker module, including module shell, loudspeaker monomer is contained in described module shell, whole module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes by described loudspeaker monomer, the described front operatic tunes communicates with going out acoustic aperture, it is characterised in that be provided with sound-absorbing part in the described front operatic tunes, described sound-absorbing part is fixed on described module shell, and described sound-absorbing part avoids the oscillation space setting of described loudspeaker monomer vibrating diaphragm.
2. speaker module as claimed in claim 1, it is characterised in that described sound-absorbing part is zeolite, tripolycyanamide, activated carbon, white carbon or sepiolite cashmere.
3. speaker module according to claim 1, it is characterised in that described sound-absorbing part is fixed on the inwall of the described module shell relative with the face of speaking of described loudspeaker monomer.
4. speaker module according to claim 3, it is characterized in that, described module shell includes the first housing, the second housing and the 3rd housing that combine, described first housing, described second housing and described loudspeaker monomer surround the described front operatic tunes jointly, and described sound-absorbing part is arranged on the inwall of the first housing；Described second housing, described 3rd housing and described loudspeaker monomer surround the described rear operatic tunes jointly.
5. speaker module according to claim 4, it is characterised in that between described first housing and described second housing, has a groove in described loudspeaker monomer relative position, face of speaking, and one end of described sound-absorbing part is arranged in groove.
6. speaker module according to claim 4, it is characterized in that, described loudspeaker monomer includes monomer shell, vibrational system and magnetic circuit system is contained in monomer shell, described vibrational system includes the vibrating diaphragm that edge part is fixed on monomer shell, described vibrating diaphragm is fixed with voice coil loudspeaker voice coil near the side of described magnetic circuit system, and described magnetic circuit system includes U ferrum, and the center bottom U ferrum is fixed with Magnet and washer successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134687.4U CN205356673U (en) | 2015-12-31 | 2015-12-31 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134687.4U CN205356673U (en) | 2015-12-31 | 2015-12-31 | Loudspeaker module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205356673U true CN205356673U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521134687.4U Active CN205356673U (en) | 2015-12-31 | 2015-12-31 | Loudspeaker module group |
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| CN (1) | CN205356673U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107920315A (en) * | 2017-11-23 | 2018-04-17 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108430018A (en) * | 2018-04-28 | 2018-08-21 | 歌尔股份有限公司 | Loud speaker module and electronic equipment |
| CN108650582A (en) * | 2018-07-26 | 2018-10-12 | 广州酷狗计算机科技有限公司 | A kind of sound equipment |
| CN109218942A (en) * | 2018-10-30 | 2019-01-15 | 歌尔科技有限公司 | Loudspeaker mould group and VR helmet |
| CN114245275A (en) * | 2020-12-31 | 2022-03-25 | 歌尔股份有限公司 | Loudspeaker module |
| CN114501258A (en) * | 2020-10-28 | 2022-05-13 | 华为技术有限公司 | Loudspeaker module and electronic equipment |
| CN114554373A (en) * | 2022-03-29 | 2022-05-27 | 歌尔股份有限公司 | Sound production device, assembly method thereof and electronic equipment |
| CN115278443A (en) * | 2022-07-06 | 2022-11-01 | 美特科技(苏州)有限公司 | Loudspeaker |
-
2015
- 2015-12-31 CN CN201521134687.4U patent/CN205356673U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107920315A (en) * | 2017-11-23 | 2018-04-17 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108430018A (en) * | 2018-04-28 | 2018-08-21 | 歌尔股份有限公司 | Loud speaker module and electronic equipment |
| CN108430018B (en) * | 2018-04-28 | 2020-04-21 | 歌尔股份有限公司 | Loudspeaker module and electronic equipment |
| CN108650582A (en) * | 2018-07-26 | 2018-10-12 | 广州酷狗计算机科技有限公司 | A kind of sound equipment |
| CN109218942A (en) * | 2018-10-30 | 2019-01-15 | 歌尔科技有限公司 | Loudspeaker mould group and VR helmet |
| CN114501258A (en) * | 2020-10-28 | 2022-05-13 | 华为技术有限公司 | Loudspeaker module and electronic equipment |
| CN114245275A (en) * | 2020-12-31 | 2022-03-25 | 歌尔股份有限公司 | Loudspeaker module |
| CN114245275B (en) * | 2020-12-31 | 2024-03-29 | 歌尔股份有限公司 | Loudspeaker module |
| CN114554373A (en) * | 2022-03-29 | 2022-05-27 | 歌尔股份有限公司 | Sound production device, assembly method thereof and electronic equipment |
| CN114554373B (en) * | 2022-03-29 | 2024-03-12 | 歌尔股份有限公司 | Sound generating device, assembly method thereof and electronic equipment |
| CN115278443A (en) * | 2022-07-06 | 2022-11-01 | 美特科技(苏州)有限公司 | Loudspeaker |
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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. |