CN206658295U - Loudspeaker module - Google Patents
Loudspeaker module Download PDFInfo
- Publication number
- CN206658295U CN206658295U CN201720459016.8U CN201720459016U CN206658295U CN 206658295 U CN206658295 U CN 206658295U CN 201720459016 U CN201720459016 U CN 201720459016U CN 206658295 U CN206658295 U CN 206658295U
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- CN
- China
- Prior art keywords
- yoke
- loudspeaker module
- loudspeaker
- resonance
- thermally conductive
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of loudspeaker module, it is related to electro-acoustic product technical field, including shell and the loudspeaker monomer being housed in the shell, thermally conductive sheet is posted at the position that the inner side of the shell corresponds to the yoke of the loudspeaker monomer, and anti-resonance glue is filled between the thermally conductive sheet and the yoke.The utility model loudspeaker module solves shell easily boiling hotization of loudspeaker module in the prior art and is also easy to produce the technical problem of resonance voice, and the utility model loudspeaker module can quickly radiate, and shell is not easy by scalding, service life length；Anti-resonance effect is good simultaneously, will not produce resonance voice, and sound quality is high；And technique is simply easily realized.
Description
Technical field
Electro-acoustic product technical field is the utility model is related to, more particularly to a kind of loudspeaker module.
Background technology
Loudspeaker module is the important acoustic element of portable electric appts, for completing between electric signal and voice signal
Conversion, be a kind of energy conversion device.Loudspeaker module generally includes shell and the loudspeaker monomer being housed in shell, raises
Sound device monomer includes vibrational system and magnetic circuit system, and magnetic circuit system includes yoke and the magnet and magnetic conduction that are sequentially fixed in yoke
Plate；Vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil makees upper and lower cutting magnetic line movement in the magnetic gap of magnetic circuit system, so as to
Vibrating diaphragm is driven to instigate air sounding.
When loudspeaker monomer works, voice coil loudspeaker voice coil can produce substantial amounts of heat, because voice coil loudspeaker voice coil operating temperature is up to 120 DEG C, and mould
Typically at 130 DEG C or so, heat caused by voice coil loudspeaker voice coil is mainly radiated the heat resisting temperature of assembly housing by yoke, and substantial amounts of heat exists
Yoke surfaces accumulation easily causes module shell boiling hotization at yoke, so that loudspeaker module damages, service life
Reduce.Simultaneously because gap between yoke and module shell be present, shell easily produces resonance with loudspeaker monomer, so as to produce
Noise so that the sound quality of loudspeaker module is deteriorated.
Utility model content
For disadvantages described above, technical problem to be solved in the utility model is to provide a kind of loudspeaker module, and this raises one's voice
Device module can quickly be radiated, and shell is not easy by scalding, service life length；Anti-resonance effect is good simultaneously, will not produce resonance
Sound, sound quality are high.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of loudspeaker module, including shell and the loudspeaker monomer that is housed in the shell, the inner side of the shell
Thermally conductive sheet is posted at the position of the yoke of the corresponding loudspeaker monomer, and anti-resonance is filled between the thermally conductive sheet and the yoke
Glue.
Wherein, the area of the thermally conductive sheet is more than the frontal projected area of yoke, or the thermally conductive sheet is included beyond described
The extension at the edge of yoke.
Wherein, the thermally conductive sheet is graphite flake, or the thermally conductive sheet is ceramic radiating fin or radiating aluminium sheet.
Wherein, the anti-resonance glue is silica adhesive, or the anti-resonance glue is one kind in UV glue or hot-setting adhesive；Institute
It is loop configuration to state anti-resonance glue, the edge coated in the yoke.
Wherein, the anti-resonance glue is coated in the heat-conducting silicone grease or thermal conductive silicon between the thermally conductive sheet and the yoke
Glue, the heat-conducting silicone grease or heat conductive silica gel are filled in more than 1/3 region between the thermally conductive sheet and the yoke with planar.
Wherein, plastic sheet is provided between the side wall of the sidepiece of the loudspeaker monomer and the shell, the plastic sheet will
Whole module inner chamber is divided into two cavitys of the preceding operatic tunes and the rear operatic tunes, the plastic sheet be PET sheet, ABS pieces, PC pieces, POM pieces,
One kind in PS pieces, PMMA pieces, PBT pieces or PPO pieces.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Thermally conductive sheet is posted at the position that loudspeaker monomer is corresponded to due to the inner side of the shell of the utility model loudspeaker module, leads
Anti-resonance glue is filled between backing and yoke.Thermally conductive sheet good heat conductivity in the transverse direction along its in-plane, vertical
It is good in heat-proof quality on the longitudinal direction of its in-plane, can be quickly by the heat lateral transport of yoke surfaces to the inner chamber of module
In, the external world is then transferred heat to by module shell, thermally conductive sheet changes the direction of transfer of heat, increases the biography of heat
Broadcast area, reduce the heat accumulation on the module shell close to yoke side, greatly reduce herein module shell by boiling hotization
Probability, extend the service life of loudspeaker module；And after heat is distributed in time, the environment temperature residing for anti-resonance glue
Degree reduces, and can be far below the temperature of its failure, and anti-resonance effect keeps good, can effectively prevent the generation of resonance voice, sound
Sound quality is high.The technical solution of the utility model is simple in construction simultaneously, simple in technique easily to realize.
In summary, the utility model loudspeaker module solve loudspeaker module in the prior art shell easily boiling hotization and
The technical problem of resonance voice is also easy to produce, the utility model loudspeaker module can quickly radiate, and shell is not easy, by scalding, to use
Long lifespan；Anti-resonance effect is good simultaneously, will not produce resonance voice, and sound quality is high；And technique is simply easily realized.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model loudspeaker module；
Fig. 2 is the inside structure schematic diagram of the second housing of the utility model loudspeaker module；
Fig. 3 is the cross section structure diagram of the utility model loudspeaker module；
Fig. 4 is Fig. 3 A portions enlarged drawing；
In figure：10th, the first housing, the 20, second housing, 30, loudspeaker monomer, 40, anti-resonance glue, 50, graphite flake, 60,
Plastic sheet, 70, the preceding operatic tunes, 72, the rear operatic tunes.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
The inner side being related in this specification refers to the side in module inner chamber, and outside refers to one outside module inner chamber
Side.
It is jointly shown with Fig. 3 as shown in Figure 1, Figure 2, a kind of loudspeaker module, including shell, shell by be combined together first
The housing 20 of housing 10 and second is formed, and loudspeaker monomer 30 is contained in the space that the first housing 10 and the second housing 20 surround.
Loudspeaker monomer 30 is fixed on the first housing 10, is provided between the side wall of the sidepiece of loudspeaker monomer 30 and the first housing 10 hard
Whole module inner chamber is divided into 72 two cavitys of the preceding operatic tunes 70 and the rear operatic tunes by matter plastic sheet 60, plastic sheet 60, wherein：Loudspeaker
Monomer 30, the first housing 10 and plastic sheet 60 surround the preceding operatic tunes 70 jointly；Loudspeaker monomer 30, the first housing 10, the second housing
20 and plastic sheet 60 surround the rear operatic tunes 72 jointly.
As Fig. 2, Fig. 3 and Fig. 4 are jointly shown, loudspeaker monomer 30 includes vibrational system and magnetic circuit system (does not separate in figure
Represent), magnetic circuit system includes yoke and the magnet and magnetic conductive board that are sequentially fixed in yoke.The inner side of second housing 20 is close to magnetic
Thermally conductive sheet is posted at the position of yoke, and preferably thermally conductive sheet is graphite flake 50 in present embodiment, the preferred graphite flake 50 of present embodiment
Area is more than the frontal projected area of yoke, and graphite flake 50 is included beyond the extension at the edge of yoke, and graphite flake 50 can be very
The heat lateral transports of yoke surfaces will quickly be accumulated in into module inner chamber, then by the first housing 10 and the second housing 20
It is dispersed into the external world jointly, and good heat-insulation effect in the vertical, it can effectively prevent the second housing 20 close to the position quilt of yoke
Boiling hotization, be advantageous to extend the service life of loudspeaker module.Graphite flake is only the material of the preferable thermally conductive sheet of present embodiment,
The material of thermally conductive sheet is not limited to graphite flake in practical application, can also use ceramic radiating fin or radiating aluminium sheet etc..
It is common shown as shown in Figure 1, Figure 3 and Figure 4, anti-resonance glue 40 is filled between graphite flake 50 and yoke.This embodiment party
Anti-resonance glue 40 is coated in yoke in formula, and is loop configuration, is coated one week along the edge of yoke, in the first housing 10
After the combination of ultrasound of the second housing 20, graphite flake 50 is in contact with anti-resonance glue 40, i.e., between graphite flake 50 and anti-resonance glue 40
Gap is not stayed, can effectively prevent the generation of resonance voice, improves the sound quality of loudspeaker module.In other embodiments
In, the coating track of anti-resonance glue can also be other shapes, such as parallel strip, groined type for intersecting in length and breadth etc..
As shown in figure 1, in present embodiment preferred anti-resonance glue 40 be silica adhesive, UV glue (ultraviolet cured adhesive) or
One kind in hot-setting adhesive, further in present embodiment preferably anti-resonance glue 40 is silica adhesive, its high-temperature resistant result and
Elastic anti-seismic effect is good.
Anti-resonance glue can also select heat-conducting silicone grease or heat conductive silica gel, and heat conductive silica gel or heat-conducting silicone grease are filled out with planar coating
Fill between thermally conductive sheet and yoke, and be preferably filled with area should be more than the 1/3 of yoke area.
As shown in figure 3, the preferred plastic sheet 60 of present embodiment is PET (polyethylene terephthalate) piece, ABS (third
Alkene nitrile-butadiene-styrene) piece, PC (makrolon) piece, POM (polyformaldehyde) piece, PS (polystyrene) piece, PMMA (poly- methyl
Methyl acrylate) one kind in piece, PBT (polybutylene terephthalate (PBT)) pieces or PPO (polyphenylene oxide) piece, in present embodiment
Further preferably plastic sheet 60 is PET sheet.
The utility model applies anti-resonance glue, effectively by pasting thermally conductive sheet close to the shell position of yoke in yoke
Prevent module shell to extend the service life of loudspeaker module, while also assures that the anti-common of anti-resonance glue by boiling hotization
Shake effect, improve the sound quality of loudspeaker module.
This specification is only that the technical solution of the utility model is illustrated by taking the loudspeaker module of said structure as an example
Illustrate, the technical solution of the utility model is not limited in the loudspeaker module of said structure in practical application, and it can be applied
In the loudspeaker module that any loudspeaker monomer is fully located inside module shell, those skilled in the art is according to upper
State the elaboration of embodiment, it is not necessary to pay any performing creative labour can and the technical solution of the utility model is applied to it
In the loudspeaker module of its structure, therefore no matter whether the other structures of loudspeaker module are identical with above-described embodiment, as long as
Graphite flake is pasted on the inside of module shell, and the product of filling anti-resonance glue each falls within this practicality newly between graphite flake and yoke
In the protection domain of type.
The utility model is not limited to above-mentioned specific embodiment, and one of ordinary skill in the art visualizes from above-mentioned
Hair, without performing creative labour, a variety of conversion made, all falls within the scope of protection of the utility model.
Claims (10)
1. loudspeaker module, including shell and the loudspeaker monomer that is housed in the shell, it is characterised in that the shell
Thermally conductive sheet is posted at the position that inner side corresponds to the yoke of the loudspeaker monomer, filled with anti-between the thermally conductive sheet and the yoke
Resonate glue.
2. loudspeaker module according to claim 1, it is characterised in that the area of the thermally conductive sheet is more than the positive throwing of yoke
Shadow area, or the thermally conductive sheet are included beyond the extension at the edge of the yoke.
3. loudspeaker module according to claim 1, it is characterised in that the thermally conductive sheet is graphite flake.
4. loudspeaker module according to claim 1, it is characterised in that the thermally conductive sheet is ceramic radiating fin or radiation aluminium
Piece.
5. loudspeaker module according to claim 1, it is characterised in that the anti-resonance glue is silica adhesive.
6. loudspeaker module according to claim 1, it is characterised in that the anti-resonance glue is in UV glue or hot-setting adhesive
It is a kind of.
7. the loudspeaker module according to claim 5 or 6, it is characterised in that the anti-resonance glue is loop configuration, coating
In the edge of the yoke；Or the anti-resonance glue is parallel string configuration or the groined type knot intersected in length and breadth
Structure.
8. loudspeaker module according to claim 1, it is characterised in that the anti-resonance glue is coated in the thermally conductive sheet
Heat-conducting silicone grease or heat conductive silica gel between the yoke.
9. loudspeaker module according to claim 8, it is characterised in that the heat-conducting silicone grease or heat conductive silica gel are filled out with planar
More than 1/3 region filled between the thermally conductive sheet and the yoke.
10. loudspeaker module according to claim 1, it is characterised in that the sidepiece of the loudspeaker monomer with it is described outer
Plastic sheet is provided between the side wall of shell, whole module inner chamber is divided into two cavitys of the preceding operatic tunes and the rear operatic tunes by the plastic sheet,
The plastic sheet is one kind in PET sheet, ABS pieces, PC pieces, POM pieces, PS pieces, PMMA pieces, PBT pieces or PPO pieces.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459016.8U CN206658295U (en) | 2017-04-27 | 2017-04-27 | Loudspeaker module |
| PCT/CN2017/090347 WO2018196155A1 (en) | 2017-04-27 | 2017-06-27 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459016.8U CN206658295U (en) | 2017-04-27 | 2017-04-27 | Loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206658295U true CN206658295U (en) | 2017-11-21 |
Family
ID=60319715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720459016.8U Active CN206658295U (en) | 2017-04-27 | 2017-04-27 | Loudspeaker module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206658295U (en) |
| WO (1) | WO2018196155A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196766A1 (en) * | 2020-03-30 | 2021-10-07 | 歌尔股份有限公司 | Sound producing device and electronic apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111147966A (en) * | 2019-12-25 | 2020-05-12 | 歌尔股份有限公司 | Loudspeaker module |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8501650A (en) * | 1985-06-07 | 1987-01-02 | Philips Nv | ELECTRODYNAMIC CONVERTER WITH A TWO-PIECE MEMBRANE. |
| CN204425635U (en) * | 2015-01-26 | 2015-06-24 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN204761700U (en) * | 2015-07-01 | 2015-11-11 | 歌尔声学股份有限公司 | Loudspeaker module group |
| CN205793297U (en) * | 2016-05-26 | 2016-12-07 | 歌尔股份有限公司 | Speaker module |
| CN205912254U (en) * | 2016-07-29 | 2017-01-25 | 重庆市海纳电子有限公司 | Cell -phone loudspeaker with dustproof heat dissipation function |
| CN106162466B (en) * | 2016-08-30 | 2022-04-05 | 歌尔股份有限公司 | Loudspeaker |
-
2017
- 2017-04-27 CN CN201720459016.8U patent/CN206658295U/en active Active
- 2017-06-27 WO PCT/CN2017/090347 patent/WO2018196155A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196766A1 (en) * | 2020-03-30 | 2021-10-07 | 歌尔股份有限公司 | Sound producing device and electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018196155A1 (en) | 2018-11-01 |
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