CN205081965U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
- Publication number
- CN205081965U CN205081965U CN201520837934.0U CN201520837934U CN205081965U CN 205081965 U CN205081965 U CN 205081965U CN 201520837934 U CN201520837934 U CN 201520837934U CN 205081965 U CN205081965 U CN 205081965U
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- heat
- loud speaker
- speaker module
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Abstract
The utility model discloses a loudspeaker module group, including the module shell, the module shell is mutually supported and is formed the inner chamber that has accommodation space, has accommodated the speaker subassembly in the inner chamber, and the speaker subassembly includes the vibrating diaphragm, and the vibrating diaphragm is separated loudspeaker module group's inner chamber and is ante -chamber and back cavity, and ante -chamber and exterior space intercommunication, interior intracavity are provided with the radiating piece, and the radiating piece has heat -conducting part and radiating part, heat -conducting part and the contact of speaker subassembly, and the radiating part extends to in ante -chamber and the back cavity simultaneously. The utility model discloses a loudspeaker module group, the intracavity passes through convection in the front, then dispels the heat through the radiation in the back cavity, and its radiating efficiency is higher, the radiating effect is better.
Description
Technical field
The utility model relates to electroacoustic field, is specifically related to a kind of loud speaker module.
Background technology
Microspeaker is the indispensable parts of modern mobile electronic device, is wherein the most basic phonation unit.Along with the update of electronic product and the continuous progress of science and technology, people it is also proposed more and more higher requirement for the performance of Microspeaker.In order to improve the sensitivity of loud speaker, simultaneously also in order to increase the volume of loud speaker, the rated operating power of existing loud speaker module is increasing, and this heat also making loud speaker produce in the course of the work also gets more and more.Particularly when the loud speaker module using intelligent power output amplification to promote, speaker product caloric value can be larger.But because this body structure of loud speaker module is less, and internal structure is comparatively complicated, thus usually can there is the not smooth problem of heat radiation.When the heat that inside loudspeakers is gathered is too high, easily harmful effect is produced to the parts such as vibrating diaphragm, magnetic circuit system, such as cause the problems such as the change of vibrating diaphragm elasticity, magnetic circuit system demagnetization, make the hydraulic performance decline of speaker product, occur that the situations such as broken string even occur noise.
Application number be CN201520390517.6 patent discloses a kind of loud speaker modular structure, the radiator structure that can dispel the heat is provided with in its ante-chamber, gathering of inside loudspeakers heat can be reduced to a certain extent, but, loud speaker module disclosed in this patent, radiator structure is only arranged in module ante-chamber, by carrying out air exchange between the phonate hole of ante-chamber and external environment condition, heat radiation is realized with the form of convection current, and the heat gathered in module back cavity can not effectively be derived, still have some limitations.Therefore, be necessary to design a kind of loud speaker module with more perfect radiator structure, make its radiating effect better, the heat in ante-chamber and back cavity can be derived simultaneously.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of loud speaker module, adds arranging radiator structure, better, more effective heat radiation in its ante-chamber and back cavity simultaneously.
To achieve these goals, the utility model by the following technical solutions: a kind of loud speaker module, comprises module shell; Described module shell complements each other to form the inner chamber with spatial accommodation; Loudspeaker assembly is contained in described inner chamber; Described loudspeaker assembly comprises vibrating diaphragm, and the inner chamber of described loud speaker module is divided into ante-chamber and back cavity by described vibrating diaphragm; Described ante-chamber is communicated with space outerpace, wherein, is provided with heat sink in described inner chamber; Described heat sink has heat-conducting part and radiating part; Described heat-conducting part contacts with described loudspeaker assembly, and described radiating part extends in described ante-chamber and described back cavity simultaneously.
Improve as one, the radiating part of described heat sink comprises two parts, is respectively the first radiating part stretched in described ante-chamber and the second radiating part stretched in described back cavity.
Improve as one, described first radiating part carries out air exchange, heat loss through convection by speak passage and the space outerpace of described ante-chamber; Described second radiating part carries out air exchange, heat loss through radiation by the venthole and space outerpace being arranged at described back cavity.
Improve as one, described ante-chamber is speak ante-chamber in side, and the sidewall of described module shell is provided with side phonate hole along the direction being parallel to described vibrating diaphragm.
As one improve, heat sink and described module shell one-body molded.
Improve as one, described first radiating part and described second radiating part are equipped with the radiator structure for increasing heat radiation area; Described radiator structure is radiating fin and/or heat radiation pin.
Improve as one, described inner chamber leads to the direction of space outerpace for direction of speaking, and direction of speaking described in described radiating fin is parallel to is arranged.
Improve as one, described loudspeaker assembly comprises magnetic circuit system, and described magnetic circuit system comprises the frame of the bottom being positioned at described loudspeaker assembly further; Described heat sink and described frame are wholely set, and described heat-conducting part is connected with described frame.
Improve as one, between described heat-conducting part and described loudspeaker assembly, scribble silicone grease.
Improve as one, described module shell comprises the first shell and second housing; Described first shell and described second housing combine and form described inner chamber.
Compared to existing technologies, in loud speaker module of the present utility model, in the ante-chamber that the radiating part of heat sink extend into module simultaneously and back cavity, also be just equivalent to be equipped with radiator structure in module ante-chamber and back cavity simultaneously, on the one hand, the radiator structure of ante-chamber is by carrying out air exchange between the phonate hole of ante-chamber and external environment, dispel the heat in the mode of convection current, and, radiating part stretches in ante-chamber, the air flow faster heat radiation that can be produced by diaphragm oscillations, is derived more efficiently by heat; On the other hand, radiator structure in back cavity carries out air exchange by being arranged between venthole in back cavity and external environment, dispel the heat in the mode of radiation, as can be seen here, in the utility model, not only comprise the mode of the heat loss through convection of ante-chamber disclosed in prior art, comprise the mode of back cavity heat loss through radiation simultaneously, its radiating efficiency is higher, and radiating effect is better; Moreover for the loud speaker module spoken in side, heat sink can be one-body molded with module casing, its structure is simple, can save the space of loud speaker module internal.To sum up, what the technical program related to is that a kind of radiating efficiency is higher, better effects if, and is simple and easy to the loud speaker modular structure of realization.
Accompanying drawing explanation
Fig. 1 is the explosive view of the utility model loud speaker modular structure;
Fig. 2 is the schematic diagram after the utility model loud speaker modular structure removes second housing and front cavity cap structure;
Fig. 3 is the partial sectional view of Fig. 2;
Reference numeral wherein comprises: 1, heat sink, and 11, heat-conducting part, the 121, first radiating part, the 122, second radiating part, 21, ante-chamber, 210, side phonate hole, 22, back cavity, the 23, first shell, 24, second housing, 25, ante-chamber lid, 3, loudspeaker assembly, 31, frame.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
Embodiment:
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Consult Fig. 1, Fig. 2 and Fig. 3 jointly shown in, loud speaker module of the present utility model, comprises module shell, loudspeaker assembly 3 and heat sink 1.Module shell complements each other to form the inner chamber having and hold loudspeaker assembly 3, and inner chamber comprises separated ante-chamber 21 and back cavity 22, and ante-chamber 21 is communicated with space outerpace.Ante-chamber 21 is communicated with the phonate hole of loud speaker module, and the sound wave produced when loudspeaker assembly 3 works passes to space outerpace by ante-chamber 21.Loudspeaker assembly 3 comprises vibrating diaphragm, and loudspeaker assembly is arranged in described inner chamber, and usually, in the lumen, the mid portion of vibrating diaphragm can up-down vibration in the lumen for the fixed installation of the edge of vibrating diaphragm.Ante-chamber 21 and back cavity 22 are separated by vibrating diaphragm, and especially, vibrating diaphragm has front and back, and the back side of vibrating diaphragm is connected with voice coil loudspeaker voice coil usually, and during diaphragm oscillations, sound wave mainly imports ante-chamber 21 into from the front of vibrating diaphragm, and then passes to the outside of loud speaker module.
In the utility model, be provided with heat sink 1 in the inner chamber of loud speaker module, heat sink 1 specifically comprises heat-conducting part 11 and radiating part.Heat sink 1 of the present utility model, its radiating part not only comprises the first radiating part 121 stretched in ante-chamber 21, also comprise the second radiating part 122 stretched in back cavity 22, heat-conducting part 11 contacts with loudspeaker assembly 3 simultaneously, and the heat produced during for being worked by loudspeaker assembly 3 is derived.
In such scheme, because the first radiating part 121 extend in ante-chamber 21, for by the heat conduction in loudspeaker assembly 3 and heat-conducting part 11 to ante-chamber 21.As mentioned above, when loudspeaker assembly 3 works, the sound wave of generation spreads out of primarily of ante-chamber 21, and the transmission of shake vibration of membrane and sound wave makes the air in ante-chamber 21 produce flowing, there is air and flow between 21 ante-chambers and space outerpace.Under the effect that the first radiating part 121 being arranged in ante-chamber 21 flows at air, can rate of heat dispation be improved, more efficient by heat loss to space outerpace.Especially, ante-chamber 21 described in the utility model not only represents the partial lumen for speaking in module shell, and also representative is positioned at the internal structure for speaking such as the pipeline of speaking in vibrating diaphragm front.Generally speaking, the first radiating part 121 by carrying out air exchange between ante-chamber phonate hole (or passage of speaking) and external environment condition, realizes heat loss through convection in ante-chamber 21.And for the second radiating part 122 in back cavity 22, owing to being often provided with venthole in back cavity 22, the second radiating part 22 by carrying out air exchange between venthole and external environment condition, can realize heat loss through radiation.So, in loud speaker module of the present utility model, existing heat loss through convection part, also has heat loss through radiation part, and its radiating efficiency is higher, radiating effect is better.
In specific embodiment of the utility model, in order to improve the heat-sinking capability of described loud speaker module further, heat sink 1 can have larger surface area, is beneficial to scattering and disappearing of heat.As shown in Figure 1, radiating part can have the radiator structure for increasing heat radiation area.In the embodiment shown in fig. 1, radiator structure is radiating fin, and radiating fin is arranged on heat-conducting part 11, and stretches out to the position of ante-chamber 21 and back cavity 22.Especially, heat radiation fin structure can not affect normally speaking of loud speaker module.For the radiator structure in ante-chamber 21, the sound produced due to vibrating diaphragm passes to space outerpace by ante-chamber 21, so, be the direction of speaking of loud speaker module from the direction that ante-chamber 21 leads to space outerpace.Preferably, as shown in Figure 2, radiating fin can be parallel to direction of speaking, and spreads out of smoothly to enable sound wave from ante-chamber 21.In addition, the utility model does not limit the specific features of radiator structure, those skilled in the art can according to the actual conditions of loud speaker module, as the size of ante-chamber 21, the difficulty of processing of radiator structure, design the feature of radiator structure, radiator structure can also be the heat radiation pin or other structure that stretch out from heat-conducting part 11.
Two parts radiating part (first radiating part 121 and the second radiating part 122) of heat sink 1 can with loudspeaker assembly 3 on to generate heat comparatively strong or that the capacity of heat transmission is stronger component contact, to improve the speed that heat spreads out of.In embodiment of the present utility model, as depicted in figs. 1 and 2, loudspeaker assembly 3 comprises magnetic circuit system, and magnetic circuit system is the parts that in loud speaker, caloric value is higher, and is usually made up of metal material, has the stronger capacity of heat transmission.Heat sink 1 can fixedly mount in the lumen, and heat-conducting part 11 contacts with the bottom surface of magnetic circuit system.In other embodiment of the present utility model, heat-conducting part 11 can also contact with other position of magnetic circuit system.
Especially, in another embodiment of the present utility model, can specifically comprise magnet, washer and frame 31 in magnetic circuit system, frame 31 is positioned at the bottom of magnetic circuit system, for carrying magnet and washer.Frame 31 is made up of permeability magnetic material, is generally iron.So heat sink 1 can with frame 31 by cast or shaping together with punching press, and be integrally formed structure, the bottom of heat-conducting part 11 and frame 31 links together.
Preferably, as Fig. 2 and Fig. 3 jointly shown in, when the phonate hole of the ante-chamber 21 of loud speaker module is designed to side phonate hole 210, side ante-chamber 21 of speaking is positioned at the side of loudspeaker assembly 3, the sound wave that vibrating diaphragm produces is propagated along the direction being parallel to vibrating diaphragm, spreads out of from the side of loud speaker module.At ante-chamber 21 for side is spoken in the embodiment of ante-chamber, the heat-conducting part 11 of heat sink 1 can directly extend from the end aspect-oriented of loudspeaker assembly 3, radiating part stretches out from heat-conducting part 11, enters the ante-chamber 21 being arranged in loudspeaker assembly 3 side and the back cavity 22 separated with ante-chamber 21.Moreover, speak in side in loud speaker modular structure, heat sink 1 can also with module shell integrated injection molding.Module shell is made up of plastic material usually, and when injection molding module shell, can be fixed in injection mold by heat sink 1, after module shell completes injection mo(u)lding, namely heat sink 1 is fixed in module shell.This molding mode can simplify the installation step of loud speaker module.
Preferably, can apply the coating for increased thermal conductivity energy between heat-conducting part 11 and loudspeaker assembly 3, such as, can be the materials such as silicone grease.The material that heat sink 1 adopts should have higher conductive coefficient, usually can adopt aluminium, stainless steel and other metal materials makes described heat sink 1.
In addition, in the embodiment that the utility model provides, as shown in Figure 1, module shell can comprise the first shell 23 and second housing 24.Second housing 24 and the first shell 23 snap together, and combination forms module inner chamber.Module shell can also comprise ante-chamber lid 25, and ante-chamber lid 25 is arranged on ante-chamber 21, is enclosed in ante-chamber 21 by the first radiating part 121 in ante-chamber.Further, the side phonate hole 210 of present embodiment is formed along the direction setting being parallel to vibrating diaphragm by the sidewall of the first shell 23 in module shell.
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 (10)
1. a loud speaker module, comprises module shell; Described module shell complements each other to form the inner chamber with spatial accommodation; Loudspeaker assembly is contained in described inner chamber; Described loudspeaker assembly comprises vibrating diaphragm, and the inner chamber of described loud speaker module is divided into ante-chamber and back cavity by described vibrating diaphragm; Described ante-chamber is communicated with space outerpace, it is characterized in that: be provided with heat sink in described inner chamber; Described heat sink has heat-conducting part and radiating part; Described heat-conducting part contacts with described loudspeaker assembly, and described radiating part extends in described ante-chamber and described back cavity simultaneously.
2. loud speaker module according to claim 1, is characterized in that: the radiating part of described heat sink comprises two parts, is respectively the first radiating part stretched in described ante-chamber and the second radiating part stretched in described back cavity.
3. loud speaker module according to claim 2, is characterized in that: described first radiating part carries out air exchange, heat loss through convection by speak passage and the space outerpace of described ante-chamber; Described second radiating part carries out air exchange, heat loss through radiation by the venthole and space outerpace being arranged at described back cavity.
4. loud speaker module according to claim 1, is characterized in that: described ante-chamber is speak ante-chamber in side, and the sidewall of described module shell is provided with side phonate hole along the direction being parallel to described vibrating diaphragm.
5. loud speaker module according to claim 4, is characterized in that: heat sink and described module shell one-body molded.
6. loud speaker module according to claim 2, is characterized in that: described first radiating part and described second radiating part are equipped with the radiator structure for increasing heat radiation area; Described radiator structure is radiating fin and/or heat radiation pin.
7. loud speaker module according to claim 6, is characterized in that: inner chamber leads to the direction of space outerpace for direction of speaking, and direction of speaking described in described radiating fin is parallel to is arranged.
8. loud speaker module according to claim 1, it is characterized in that: described loudspeaker assembly comprises magnetic circuit system, described magnetic circuit system comprises the frame of the bottom being positioned at described loudspeaker assembly further; Described heat sink and described frame are wholely set, and described heat-conducting part is connected with described frame.
9. loud speaker module according to claim 1, is characterized in that: scribble silicone grease between described heat-conducting part and described loudspeaker assembly.
10. loud speaker module according to claim 1, is characterized in that: described module shell comprises the first shell and second housing; Described first shell and described second housing combine and form described inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837934.0U CN205081965U (en) | 2015-10-27 | 2015-10-27 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837934.0U CN205081965U (en) | 2015-10-27 | 2015-10-27 | Loudspeaker module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081965U true CN205081965U (en) | 2016-03-09 |
Family
ID=55434335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520837934.0U Withdrawn - After Issue CN205081965U (en) | 2015-10-27 | 2015-10-27 | Loudspeaker module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205081965U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105263091A (en) * | 2015-10-27 | 2016-01-20 | 歌尔声学股份有限公司 | Speaker module |
| CN109218896A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Car audio system |
| CN110996230A (en) * | 2019-12-20 | 2020-04-10 | 歌尔股份有限公司 | Speaker module and electronic equipment |
| CN114640931A (en) * | 2022-03-11 | 2022-06-17 | 美特科技(苏州)有限公司 | Loudspeaker |
-
2015
- 2015-10-27 CN CN201520837934.0U patent/CN205081965U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105263091A (en) * | 2015-10-27 | 2016-01-20 | 歌尔声学股份有限公司 | Speaker module |
| CN105263091B (en) * | 2015-10-27 | 2019-01-01 | 歌尔股份有限公司 | Loudspeaker mould group |
| CN109218896A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Car audio system |
| CN110996230A (en) * | 2019-12-20 | 2020-04-10 | 歌尔股份有限公司 | Speaker module and electronic equipment |
| WO2021120948A1 (en) * | 2019-12-20 | 2021-06-24 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| CN114640931A (en) * | 2022-03-11 | 2022-06-17 | 美特科技(苏州)有限公司 | Loudspeaker |
| CN114640931B (en) * | 2022-03-11 | 2023-11-21 | 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. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20190101 |