CN205584479U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
- Publication number
- CN205584479U CN205584479U CN201620270273.2U CN201620270273U CN205584479U CN 205584479 U CN205584479 U CN 205584479U CN 201620270273 U CN201620270273 U CN 201620270273U CN 205584479 U CN205584479 U CN 205584479U
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- speaker
- steel disc
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Abstract
The utility model provides a loudspeaker module group, including the module shell and accept the speaker monomer in the module shell, its characterized in that pastes respectively at the internal surface of module shell and surface and is equipped with graphite thermal film. Utilize above -mentioned utility model, can avoid causing the influence to the antenna performance of complete machine to can use in loudspeaker module group's surface large tracts of land, avoid the too high intraware that causes of the inside the local temperature of loudspeaker module group to harm.
Description
Technical field
This utility model relates to technical field of acoustics, more specifically, relates to a kind of speaker module.
Background technology
Along with the consumer electronics product such as mobile phone, panel computer is the most lightening and in performance taller and more erect
The requirement more changed, sound-producing device as an important composition unit of this series products, its performance, size,
The aspects such as safety it is also proposed the highest requirement.Along with speaker module is little to volume, high-power
Direction is developed, and dissipated power is increasingly becoming a problem demanding prompt solution along with multiplication, heat radiation.
Therefore, increasing speaker module shell uses PC material or notes in part module shell
Mould/bonding steel disc, increase the rigidity of module shell by steel disc and improve the heat-sinking capability of speaker module.
But, use at present both modes to there is also defect as follows:
1, the capacity of heat transmission of PC material is poor, and speaker module internal heat cannot shed in time, causes
Internal temperature is too high, and inside loudspeakers vibrating diaphragm causes damage, thus just affects properties of product and product
Often use；
2, the steel disc capacity of heat transmission is more excellent, but owing to major part client production is provided with antenna, it is desirable to
Speaker module reserves certain empty regions (not allowing the existence of metal device inside empty regions),
Therefore, it is impossible to large-area use steel disc, the lifting of heat-sinking capability is restricted.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of speaker module, to solve at present
Speaker module heat-sinking capability is limited, and module internal heat cannot shed in time, causes speaker performance not
Stable the most even cannot the normal problem such as use.
The speaker module that this utility model provides, including module shell and raising of being housed in module shell
Sound device monomer, wherein, has been sticked graphite radiating film respectively at the inner surface of module shell and outer surface.
Furthermore it is preferred that structure be that graphite radiating film includes the interior heat radiation at module shell inner surface that is sticked
Film and being sticked at the outer heat dissipation film of module shell outer surface；Steel disc it is molded with in module shell, interior scattered
Hotting mask contacts with inner surface and the outer surface of steel disc respectively with outer heat dissipation film.
Furthermore it is preferred that structure be that module shell includes module upper casing and the module lower casing of adaptive connection,
In module upper casing and module lower casing, the position of corresponding loudspeaker monomer is molded with steel disc respectively.
Furthermore it is preferred that structure be to be positioned at the steel disc of the steel disc of module upper casing and module lower casing respectively
Heat radiation is contacted with graphite radiating film.
Furthermore it is preferred that structure be that the cavity that module shell is formed is divided into the front operatic tunes by loudspeaker monomer
With the rear operatic tunes；The front operatic tunes turns on going out acoustic aperture, and the rear operatic tunes is airtight cavity.
Furthermore it is preferred that structure be to be provided with on module shell and let out acoustic aperture, be sticked at acoustic aperture letting out
Damping screen；The rear operatic tunes is by letting out acoustic aperture and extraneous conducting.
Furthermore it is preferred that structure be that loudspeaker monomer includes monomer shell and being housed in monomer shell
Vibrational system and magnetic circuit system；Wherein, vibrational system includes vibrating diaphragm and is fixed on the voice coil loudspeaker voice coil of vibrating diaphragm side；
Magnetic circuit system includes conductive magnetic yoke, the Magnet being fixed on conductive magnetic yoke center, is fixed on Magnet away from magnetic conduction
The washer of yoke side.
Furthermore it is preferred that structure be between Magnet and washer and conductive magnetic yoke, to form magnetic gap, voice coil loudspeaker voice coil is outstanding to be set
In magnetic gap.
Furthermore it is preferred that structure be that vibrating diaphragm includes the ring portion that fixed part and fixed part are wholely set,
And it is positioned at the reinforcement part in ring portion.
Furthermore it is preferred that structure be also to include electric connection board, electric connection board respectively with loudspeaker monomer and
External circuit turns on.
Knowable to technical scheme above, speaker module of the present utility model, will not be to the antenna of complete machine
Performance impacts, and can use at speaker module inner surface and outer surface large area, it is possible to effectively carry
Become speaker module heat-sinking capability, make up because of empty regions require cannot large area use steel disc defect；
Additionally, due to graphite radiating film has the preferable capacity of heat transmission, the interior heat dissipation film of module shell inner surface can
Quickly the heat in speaker module is shared equally, it is to avoid cause assembly damage to affect product and normally use.
Accompanying drawing explanation
By with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with to this practicality
Novel is more fully understood from, and 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 of the speaker module according to this utility model embodiment；
Fig. 2 is the cross-section structure of the speaker module according to this utility model embodiment；
The partial enlarged drawing of part A in Fig. 3 Fig. 2.
Reference therein includes: module upper casing 1, module upper casing steel disc 11, damping screen 2, electrical connection
Plate 3, loudspeaker monomer 4, module lower casing 5, module lower casing steel disc 51, outer heat dissipation film 61, interior heat dissipation film
62, acoustic aperture 7 is let out.
The most identical label indicates similar or corresponding feature or function.
Detailed description of the invention
For describing speaker module of the present utility model in detail, below with reference to accompanying drawing to of the present utility model
Specific embodiment is described in detail.
Fig. 1 and Fig. 2 respectively illustrates the speaker decomposition texture according to this utility model embodiment and section
Structure；Fig. 3 shows the partial enlarged drawing of part A in Fig. 2.
As Fig. 1 to Fig. 3 jointly shown in, the speaker module of this utility model embodiment, including module outside
Shell and the loudspeaker monomer 4 being housed in module shell, wherein, in inner surface and the appearance of module shell
Face has all been sticked graphite radiating film.Further, graphite radiating film includes being sticked at module shell inner surface
Interior heat dissipation film 62 and be sticked at the outer heat dissipation film 61 of module shell outer surface, by interior heat dissipation film 62
With outer heat dissipation film 61 with the use of, it is possible to be quickly transferred to raise one's voice by the temperature of speaker module internal
Outside device module, accelerate dissipating of heat.
In a preferred implementation of the present utility model, in module shell, it is molded with steel disc, steel disc
The rigidity of module shell can not only be improved, reduce the volume that module shell takies, additionally it is possible to be effectively improved
The heat-sinking capability of speaker module, wherein, interior heat dissipation film 62 and outer heat dissipation film 61 respectively with in steel disc
Surface contacts with outer surface, by interior heat dissipation film 62, the temperature in module shell is quickly transferred to steel disc,
And transfer heat on outer heat dissipation film 61 through steel disc, by the large-area outer heat dissipation film 61 of module shell
By in conduct heat away to air, thus effectively reduce the temperature of speaker module internal.
Specifically, module shell includes module upper casing 1 and the module lower casing 5 of adaptive connection, at module upper casing
1 and module lower casing 5 in the position of corresponding loudspeaker monomer 4 be molded with module upper casing steel disc 11 and mould respectively
Group lower casing steel disc 51, module upper casing steel disc 11 contacts with graphite radiating film respectively with module lower casing steel disc 51
Heat radiation, can be effectively improved by steel disc (including module upper casing steel disc 11 and module lower casing steel disc 51)
The heat-sinking capability of speaker module, it is ensured that properties of product are stable.
It addition, in speaker module of the present utility model, the main material of graphite radiating film is natural stone
Ink, have high temperature resistant, thermal coefficient of expansion is little, heat conduction, the advantage such as conduct electricity very well, and uses native graphite
The graphite radiating film formed can be attached to the irregular of any bending by modes such as artificial or laminators
Surface.According to the characteristic of above-mentioned graphite radiating film, can be in the inner surface of speaker module shell and appearance
One layer of graphite radiating film is adhered in face respectively, and graphite radiating film is connected with the steel disc being moulded in module shell,
Interior heat dissipation film 62 and the conducting of outer heat dissipation film 61 can be realized, accelerate the radiating rate of speaker module.
In another detailed description of the invention of the present utility model, module shell is formed by loudspeaker monomer 4
Cavity is divided into the front operatic tunes and the rear operatic tunes；The front operatic tunes turns on going out acoustic aperture, by going out acoustic aperture by acoustic signals
Being transferred to outside speaker module, the rear operatic tunes is then airtight cavity.Wherein, for guaranteeing the front operatic tunes and rear sound
The air pressure balance in chamber, it is to avoid draught head affects vibration of membrane of shaking, and is additionally provided with and lets out acoustic aperture 7 on module shell,
The operatic tunes and external environment after connection, on the premise of it plays gas leakage, it is the smaller the better to let out acoustic aperture 7,
Additionally, let out the acoustic aperture 7 impact on speaker acoustical behavior for reducing, it is also possible to be sticked in acoustic aperture 7 letting out
Corresponding damping screen 2.
It should be noted that speaker module shell of the present utility model, however it is not limited to module upper casing and mould
The assembling form of group lower casing, module shell can also include the module upper casing of adaptive connection, module mesochite and
Module lower casing, wherein, graphite radiating film is sticked respectively at module upper casing, module mesochite and module lower casing
Inner surface and outer surface.
Further, loudspeaker monomer 4 includes monomer shell and is housed in the vibration system in monomer shell
System (not shown) and magnetic circuit system (not shown)；Wherein, vibrational system includes vibrating diaphragm and patch
If being fixed on the voice coil loudspeaker voice coil of vibrating diaphragm side；Magnetic circuit system includes fixing the conductive magnetic yoke, solid being connected with monomer shell
It is scheduled on the Magnet of conductive magnetic yoke center, and is fixed on the Magnet washer away from conductive magnetic yoke side.Wherein,
Forming magnetic gap between Magnet and washer and conductive magnetic yoke, voice coil loudspeaker voice coil is hung in magnetic gap.
Specifically, vibrating diaphragm include fixing with monomer shell be connected fixed part (being positioned at the outermost of vibrating diaphragm),
The ring portion of the male female structure being wholely set with fixed part and be arranged on the planar portions (position within ring portion
Penetralia in vibrating diaphragm), reinforcement part is arranged on the planar portions of vibrating diaphragm, is mainly used in regulating the acoustics of speaker
Performance, for reducing the oeverall quality of vibrational system, the generally position in vibrating diaphragm planar portions correspondence reinforcement part sets
Putting material, reinforcement part then covers to be gone to expect position at this.
Additionally, for double magnetic circuit system, Magnet may further include centring magnet and around center
The limit Magnet that Magnet is arranged, washer includes the center washer the most corresponding with centring magnet and limit Magnet and limit
Washer；Magnetic gap is formed between centring magnet and center washer and limit Magnet and limit washer；Voice coil loudspeaker voice coil is hung on
In magnetic gap, when the voice coil loudspeaker voice coil being in magnetic field has tone currents to flow through, can be by an alternation motive force
Produce alternate motion, thus drive vibrating diaphragm shake, and then promotion air and sounding repeatedly.
Speaker module in this utility model embodiment, also includes electric connection board 3, the one of electric connection board 3
End turns on voice coil loudspeaker voice coil, and the other end turns on external circuit.Wherein, the shell fragment of loudspeaker monomer 4 can be naked
Dew is fixed on monomer shell, and the while of shell fragment, lead-in wire and electric connection board 3 with voice coil loudspeaker voice coil turn on, in electrical connection
When plate 3 turns on external circuit, it is possible to realize the conducting of voice coil loudspeaker voice coil and external circuit, thus realize speaker
The connection of monomer 4 peripheral circuits.Wherein, electric connection board 3 can be FPCB (Flexible Printed
Circuit Board, flexible printed circuit board).
By above-mentioned embodiment it can be seen that this utility model provide speaker module, will not be to whole
The antenna performance of machine impacts, and can use at speaker module inner surface and outer surface large area, carry
The heat-sinking capability of high speaker module, make up because of empty regions require cannot large area use steel disc defect；
Additionally, due to graphite radiating film has the preferable capacity of heat transmission, the interior heat dissipation film of module shell inner surface can
Quickly the heat in speaker module to be transferred to steel disc, and transfer heat to outer heat radiation by steel disc
Film, it is to avoid cause speaker module internal assembly to damage, it is ensured that properties of product are stable, extends product and uses
Life-span.
Describe in an illustrative manner above with reference to accompanying drawing according to the speaker module that the utility model proposes.
It will be understood by those skilled in the art, however, that the speaker module that above-mentioned this utility model is proposed,
Various improvement can also be made on the basis of without departing from this utility model content.Therefore, this utility model
Protection domain should be determined by the content of appending claims.
Claims (10)
1. a speaker module, including module shell and be housed in the loudspeaker monomer in described module shell, it is characterised in that
It is sticked respectively graphite radiating film at the inner surface of described module shell and outer surface.
2. speaker module as claimed in claim 1, it is characterised in that
Described graphite radiating film includes being sticked at the interior heat dissipation film of described module shell inner surface and is sticked at the outer heat dissipation film of described module shell outer surface；
Being molded with steel disc in described module shell, described interior heat dissipation film contacts with inner surface and the outer surface of steel disc respectively with described outer heat dissipation film.
3. speaker module as claimed in claim 1, it is characterised in that
Described module shell includes module upper casing and the module lower casing of adaptive connection, and in described module upper casing and described module lower casing, the position of corresponding described loudspeaker monomer is molded with steel disc respectively.
4. speaker module as claimed in claim 3, it is characterised in that
The steel disc of the steel disc and described module lower casing that are positioned at described module upper casing contacts heat radiation with graphite radiating film respectively.
5. speaker module as claimed in claim 1, it is characterised in that
The cavity that described module shell is formed is divided into the front operatic tunes and the rear operatic tunes by described loudspeaker monomer；
The described front operatic tunes turns on going out acoustic aperture, and the described rear operatic tunes is airtight cavity.
6. speaker module as claimed in claim 5, it is characterised in that
Described module shell is provided with and lets out acoustic aperture, let out, described, the damping screen that has been sticked at acoustic aperture；
The described rear operatic tunes lets out acoustic aperture and extraneous conducting described in passing through.
7. speaker module as claimed in claim 1, it is characterised in that
Described loudspeaker monomer includes monomer shell and the vibrational system being housed in described monomer shell and magnetic circuit system；Wherein,
Described vibrational system includes vibrating diaphragm and is fixed on the voice coil loudspeaker voice coil of described vibrating diaphragm side；
Described magnetic circuit system includes conductive magnetic yoke, the Magnet being fixed on described conductive magnetic yoke center, is fixed on the described Magnet washer away from described conductive magnetic yoke side.
8. speaker module as claimed in claim 7, it is characterised in that
Forming magnetic gap between described Magnet and washer and described conductive magnetic yoke, described voice coil loudspeaker voice coil is hung in described magnetic gap.
9. speaker module as claimed in claim 7, it is characterised in that
Described vibrating diaphragm includes the ring portion that fixed part and described fixed part are wholely set, and is positioned at the reinforcement part in described ring portion.
10. speaker module as claimed in claim 1, it is characterised in that
Also including electric connection board, described electric connection board turns on described loudspeaker monomer and external circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270273.2U CN205584479U (en) | 2016-03-31 | 2016-03-31 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270273.2U CN205584479U (en) | 2016-03-31 | 2016-03-31 | Loudspeaker module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205584479U true CN205584479U (en) | 2016-09-14 |
Family
ID=56864008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620270273.2U Active CN205584479U (en) | 2016-03-31 | 2016-03-31 | Loudspeaker module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205584479U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851496A (en) * | 2016-12-12 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109618537A (en) * | 2018-12-29 | 2019-04-12 | 苏州松翔电通科技有限公司 | Optical module radiator structure and optical module |
| CN110996230A (en) * | 2019-12-20 | 2020-04-10 | 歌尔股份有限公司 | Speaker module and electronic equipment |
| CN111901733A (en) * | 2020-07-28 | 2020-11-06 | 维沃移动通信有限公司 | Electronic device |
| CN111970590A (en) * | 2020-09-29 | 2020-11-20 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and terminal equipment |
| WO2020258134A1 (en) * | 2019-06-27 | 2020-12-30 | 瑞声声学科技(深圳)有限公司 | Speaker box and electronic device |
| CN113473322A (en) * | 2020-03-30 | 2021-10-01 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| WO2022067900A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and electronic device comprising same |
| WO2022067908A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Speaker box |
-
2016
- 2016-03-31 CN CN201620270273.2U patent/CN205584479U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851496A (en) * | 2016-12-12 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109618537A (en) * | 2018-12-29 | 2019-04-12 | 苏州松翔电通科技有限公司 | Optical module radiator structure and optical module |
| WO2020258134A1 (en) * | 2019-06-27 | 2020-12-30 | 瑞声声学科技(深圳)有限公司 | Speaker box and electronic device |
| CN110996230A (en) * | 2019-12-20 | 2020-04-10 | 歌尔股份有限公司 | Speaker module and electronic equipment |
| CN110996230B (en) * | 2019-12-20 | 2021-11-30 | 歌尔股份有限公司 | Speaker module and electronic equipment |
| CN113473322A (en) * | 2020-03-30 | 2021-10-01 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN111901733A (en) * | 2020-07-28 | 2020-11-06 | 维沃移动通信有限公司 | Electronic device |
| CN111901733B (en) * | 2020-07-28 | 2021-10-12 | 维沃移动通信有限公司 | Electronic device |
| CN111970590A (en) * | 2020-09-29 | 2020-11-20 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and terminal equipment |
| WO2022067900A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and electronic device comprising same |
| WO2022067908A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Speaker box |
| CN111970590B (en) * | 2020-09-29 | 2022-07-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and terminal equipment |
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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. |