CN204291369U - Loud speaker module - Google Patents
Loud speaker module Download PDFInfo
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- CN204291369U CN204291369U CN201420761873.XU CN201420761873U CN204291369U CN 204291369 U CN204291369 U CN 204291369U CN 201420761873 U CN201420761873 U CN 201420761873U CN 204291369 U CN204291369 U CN 204291369U
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- cavity
- housing
- loud speaker
- speaker module
- loudspeaker monomer
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Abstract
The utility model discloses a kind of loud speaker module, comprise housing and be contained in the loudspeaker monomer in described housing, described housing comprises protecgulum, the first housing and the second housing, described protecgulum, described first housing and described second housing surround cavity, described loudspeaker monomer is fixed in described cavity, described cavity is separated into ante-chamber and back cavity by described loudspeaker monomer, and the cavity between described loudspeaker monomer and described protecgulum, described first housing is ante-chamber; Described loudspeaker monomer involving vibrations system and magnetic circuit system; And: the corresponding described loudspeaker monomer installation site of described protecgulum is provided with cavity, and described cavity and described ante-chamber, back cavity completely cut off mutually; Described cavity is provided with the ventilating structure be communicated with external environment condition.The utility model loud speaker module has the good advantage of acoustical behavior.
Description
Technical field
The utility model relates to electroacoustic field, especially relates to the loud speaker module that a kind of acoustical behavior is good.
Background technology
Along with the expansion in consumer electronics market, the consumer electronics products such as a large amount of mobile phone, notebook computer are extensively promoted, and loud speaker module has demand widely as acoustic element important in consumer electronics product.Along with the raising that people require consumer electronics product tonequality, loud speaker module performance also more and more receives the concern of people.
Loud speaker module is a kind of energy conversion device.Loud speaker module comprises the shell be combined into by protecgulum and two housings, loudspeaker monomer is contained in shell, loudspeaker monomer involving vibrations system and magnetic circuit system, whole module inner chamber is divided into the front operatic tunes and the rear operatic tunes two cavitys by loudspeaker monomer, the front operatic tunes is communicated with the external world of module by phonate hole, spreading out of for sound; The rear operatic tunes is the cavity of a sealing.The loud speaker module of conventional art, structure is comparatively fixing, and acoustical behavior is also more or less the same, because client requires more and more higher to loud speaker module performance, the loud speaker module of general design improves degree not quite, can not meet the demand improving loud speaker module acoustical behavior further.
Therefore, be necessary to propose a kind of improvement, to improve the acoustical behavior of loud speaker module.
Utility model content
Technical problem to be solved in the utility model is to provide the good loud speaker module of a kind of acoustical behavior.
To achieve these goals, the utility model is by the following technical solutions:
A kind of loud speaker module, comprise housing and be contained in the loudspeaker monomer in described housing, described housing comprises protecgulum, the first housing and the second housing, described protecgulum, described first housing and described second housing surround cavity, described loudspeaker monomer is fixed in described cavity, described cavity is separated into ante-chamber and back cavity by described loudspeaker monomer, and the cavity between described loudspeaker monomer and described protecgulum, described first housing is ante-chamber; Described loudspeaker monomer involving vibrations system and magnetic circuit system; And: the corresponding described loudspeaker monomer installation site of described protecgulum is provided with cavity, and described cavity and described ante-chamber, back cavity completely cut off mutually; Described cavity is provided with the ventilating structure be communicated with external environment condition.
As the preferred technical scheme of one, described cavity volume is 0.1 cubic centimetre.
As the preferred technical scheme of one, described cavity is less than described loudspeaker monomer vibrational system area in the area coverage of described first housing.
As the preferred technical scheme of one, described ventilating structure is arranged at described housing side; As preferred further, described ventilating structure is gas-permeable openings.
As the preferred technical scheme of one, described ante-chamber is provided with phonate hole, and described phonate hole is communicated with described ante-chamber and external environment condition, and described phonate hole is arranged at described housing side.
As such scheme further preferably, described magnetic circuit system comprises conductive magnetic yoke, and the corresponding described conductive magnetic yoke position of described second housing is provided with opening, and described conductive magnetic yoke extends described opening.
The utility model loud speaker module, module ante-chamber position is provided with cavity, and this cavity and ante-chamber, back cavity are isolated, and cavity and external environment condition are provided with opening.This cavity has split front cavity space, effectively can improve the frequency response curve of speaker product, the high frequency performance of adjustment loud speaker module, simultaneously, this cavity is optimized cavity configuration before loud speaker module, effective covibration improving some frequency in ante-chamber, enriches the sense of hearing of speaker product, improves high frequency THD; Therefore, the utility model loud speaker module has the good advantage of acoustical behavior.
Preferred as one, this cavity volume is 0.1 cubic centimetre, and cavity i.e. the past cavity space of 0.1 cubic centimetre isolates separate space and improves loud speaker module acoustical behavior, does not additionally increase loud speaker module space outerpace again.
In order to improve loud speaker module acoustical behavior, inside loudspeakers space is not had an impact again simultaneously, the area of described cavity is less than the area of loudspeaker monomer vibrational system, also namely the cross-sectional area of cavity is less than the cross-sectional area of monomer, cavity can be arranged at the top of monomer, only take the space of part ante-chamber, loud speaker module internal and rear operatic tunes space are not had an impact.
In order to corresponding loud speaker module overall appearance, improve the degree of flexibility that cavity is arranged, the cavity of described cavity is front-cover structure, does not additionally increase loud speaker module parts.In order to ensure the regulatory function of this cavity to loud speaker acoustical behavior, the ventilating structure of cavity and turned on outside can be arranged at the side of loud speaker module.
The utility model loud speaker module, module ante-chamber is provided with the cavity of isolation, and this cavity can improve loud speaker module acoustical behavior, and therefore, the utility model loud speaker module has the good advantage of acoustical behavior.
Accompanying drawing explanation
Fig. 1 is the utility model loud speaker module embodiment stereogram;
Fig. 2 is another angle stereogram of the module of loud speaker shown in Fig. 1;
Fig. 3 is the module of loud speaker shown in Fig. 1 cutaway view;
Fig. 4 is the module of loud speaker shown in Fig. 1 front cover portion exploded view.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
As shown in Figure 1, the loud speaker module of the utility model embodiment, comprises housing, and housing comprises the first housing 11, second housing 12 and protecgulum 2; Be provided with loudspeaker monomer 3 in housing, the first housing 11, second housing 12 and protecgulum 2 surround cavity, and loudspeaker monomer 3 is arranged in cavity.As shown in Figure 3, cavity is separated into ante-chamber 51 and back cavity 52 by loudspeaker monomer 3, and loudspeaker monomer 3, first housing 11 and protecgulum 2 surround ante-chamber 51, and ante-chamber 51 is provided with the phonate hole being in communication with the outside, supplying the outgoing of loudspeaker monomer 3 sound.
As shown in Figure 3, the utility model loud speaker module, protecgulum 2 corresponding loudspeaker monomer 3 position is provided with cavity 4, cavity 4 and ante-chamber 51, back cavity 52 are isolated mutually to be arranged, as shown in Figure 1, Figure 2, Figure 4 shows, cavity 4 is provided with the gas-permeable openings 41 be in communication with the outside, the present embodiment gas-permeable openings 41 is arranged at loud speaker module side, in actual application, can be according to actual needs, gas-permeable openings is other ventilating structures, and is arranged at other positions, all can realize the utility model loud speaker module advantage.The utility model loud speaker module, the setting of cavity 4, improves volume and the resonance of ante-chamber.Cavity 4 has split the space of ante-chamber 51, effectively improves the frequency response curve of product, the high frequency performance of adjustment product; The structure of cavity 4 pairs of loud speaker module ante-chambers 51 is optimized, and effectively improves the covibration of some frequency in ante-chamber 51, enriches the sense of hearing of speaker product, improve high frequency THD, improve loud speaker module performance.The loud speaker module of the present embodiment, the phonate hole that ante-chamber 51 is in communication with the outside is arranged at loud speaker module casing side, and this phonate hole is the gap structure between protecgulum 2 and the first housing 11; In actual application, this phonate hole according to the design needs of loud speaker module, can be arranged at other positions, does not affect the utility model loud speaker module advantage applies.
As shown in Figure 3, Figure 4, cavity 4 is the structure of protecgulum 2, does not increase other additional components during loud speaker module group assembling, does not increase loud speaker module group assembling step.
In actual application, when the volume of cavity 4 is 0.1 cubic centimetre, cavity 4 pairs of loud speaker module acoustical behavioies promote maximum, and this space is less, does not additionally increase excessive loud speaker module external volume.
As shown in Figure 3, the utility model loud speaker module, the area of cavity 4 is less than loudspeaker monomer vibrational system area.Cavity 4 area is less than loudspeaker monomer 3 vibrational system area, and ensure that the cross-sectional area of cavity 4 is less than the cross-sectional area of loudspeaker monomer 3, cavity 4 only takies the space of part ante-chamber 51, can not have an impact to the space of the volume of loudspeaker monomer 3 and back cavity 52.
As shown in Figure 3, the loud speaker module of the present embodiment, loudspeaker monomer 3 includes magnetic circuit system, and this magnetic circuit system comprises conductive magnetic yoke 31, and the second housing 12 corresponding loudspeaker monomer 3 installation site is provided with opening, and conductive magnetic yoke 31 extends the opening of the second housing 12; Conductive magnetic yoke 31 outer surface is concordant with the second housing outer surface.This structural design, increase the volume of loudspeaker monomer 3, be conducive to improving loud speaker module acoustical behavior, and, conductive magnetic yoke 31 extends the second housing 12, be conducive to distributing of heat in loudspeaker monomer 3 course of work, that avoids causing because loudspeaker monomer 3 temperature is too high is bad, improves loud speaker module reliability.
The utility model loud speaker module, the protecgulum surrounding ante-chamber is provided with the cavity of isolating with ante-chamber, and this cavity has split front cavity space, effectively improves the frequency response curve of loud speaker module, the high frequency performance of adjustment loud speaker module; Meanwhile, cavity is optimized cavity configuration before loud speaker module, effectively improves the covibration of some frequency in ante-chamber and enriches the sense of hearing of loud speaker module, improve high frequency THD, improve the acoustical behavior of loud speaker module, therefore, the utility model loud speaker module has the good advantage of acoustical behavior.
These are only the utility model case study on implementation, be not limited to the utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, all should include in the protection range recorded in claims.
Claims (7)
1. a loud speaker module, comprise housing and be contained in the loudspeaker monomer in described housing, described housing comprises protecgulum, the first housing and the second housing, described protecgulum, described first housing and described second housing surround cavity, described loudspeaker monomer is fixed in described cavity, described cavity is separated into ante-chamber and back cavity by described loudspeaker monomer, and the cavity between described loudspeaker monomer and described protecgulum, described first housing is ante-chamber; Described loudspeaker monomer involving vibrations system and magnetic circuit system; It is characterized in that: the corresponding described loudspeaker monomer installation site of described protecgulum is provided with cavity, and described cavity and described ante-chamber, back cavity completely cut off mutually; Described cavity is provided with the ventilating structure be communicated with external environment condition.
2. loud speaker module according to claim 1, is characterized in that: described cavity volume is 0.1 cubic centimetre.
3. loud speaker module according to claim 1, is characterized in that: described cavity area is less than described loudspeaker monomer vibrational system area.
4. loud speaker module according to claim 1, is characterized in that: described ventilating structure is arranged at described housing side.
5. the loud speaker module according to claim 1 or 4, is characterized in that: described ventilating structure is gas-permeable openings.
6. loud speaker module according to claim 1, it is characterized in that: described ante-chamber is provided with phonate hole, described phonate hole is communicated with described ante-chamber and external environment condition, and described phonate hole is arranged at described housing side.
7. the loud speaker module according to the arbitrary claim in claim 1,2,3,4,6, it is characterized in that: described magnetic circuit system comprises conductive magnetic yoke, the corresponding described conductive magnetic yoke position of described second housing is provided with opening, and described conductive magnetic yoke extends described opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761873.XU CN204291369U (en) | 2014-12-05 | 2014-12-05 | Loud speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761873.XU CN204291369U (en) | 2014-12-05 | 2014-12-05 | Loud speaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204291369U true CN204291369U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420761873.XU Active CN204291369U (en) | 2014-12-05 | 2014-12-05 | Loud speaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204291369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108430017A (en) * | 2018-04-24 | 2018-08-21 | 歌尔股份有限公司 | A kind of sound-producing device and electronic equipment |
| US11330363B2 (en) | 2018-06-29 | 2022-05-10 | Huawei Technologies Co., Ltd. | Speaker and mobile terminal |
-
2014
- 2014-12-05 CN CN201420761873.XU patent/CN204291369U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108430017A (en) * | 2018-04-24 | 2018-08-21 | 歌尔股份有限公司 | A kind of sound-producing device and electronic equipment |
| CN108430017B (en) * | 2018-04-24 | 2020-10-09 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| US11330363B2 (en) | 2018-06-29 | 2022-05-10 | Huawei Technologies Co., Ltd. | Speaker and mobile terminal |
| US11622189B2 (en) | 2018-06-29 | 2023-04-04 | Huawei Technologies Co., Ltd. | Speaker and mobile terminal |
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| 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. |