CN208707955U - A kind of loudspeaker mould group - Google Patents
A kind of loudspeaker mould group Download PDFInfo
- Publication number
- CN208707955U CN208707955U CN201821597002.3U CN201821597002U CN208707955U CN 208707955 U CN208707955 U CN 208707955U CN 201821597002 U CN201821597002 U CN 201821597002U CN 208707955 U CN208707955 U CN 208707955U
- Authority
- CN
- China
- Prior art keywords
- mould group
- loudspeaker
- module shell
- shell
- lower casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000919 ceramic Substances 0.000 claims abstract description 42
- 239000000178 monomer Substances 0.000 claims abstract description 21
- 238000001746 injection moulding Methods 0.000 claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 11
- 239000011358 absorbing material Substances 0.000 claims abstract description 10
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a kind of loudspeaker mould groups, loudspeaker monomer including module shell and in the module shell, the cavity that the module shell surrounds is divided into the preceding operatic tunes and the rear operatic tunes by the loudspeaker monomer, be additionally provided in the module shell will it is described after the operatic tunes be divided into the breathable barrier of the first cavity and the second cavity, sound-absorbing material is filled in second cavity, the breathable barrier is the porous ceramic chip with the module shell integrated injection molding, the utility model can reduce the process complexity of separator setting, improve the frequency acoustic performance of loudspeaker mould group.
Description
Technical field
The utility model relates to acoustic-electric switch technology fields.More particularly, to a kind of loudspeaker mould group.
Background technique
Existing loudspeaker mould group generally includes module shell and is set to loudspeaker monomer in module shell, loudspeaker monomer
The cavity that module shell is surrounded is divided into the preceding operatic tunes and the rear operatic tunes.Loudspeaker monomer includes vibration component and magnetic circuit component.Wherein,
Vibration component includes the vibrating diaphragm and voice coil being fixed together, the ampere after voice coil input electric current, in the magnetic field that magnetic circuit component is formed
Power effect is lower to be vibrated and then drives diaphragm oscillations sounding.In order to adjust the acoustical behavior of loudspeaker, by being arranged in the rear operatic tunes
Sound-absorbing material.A breathable barrier is generallyd use in current loudspeaker mould group, and the rear operatic tunes is divided into the first cavity and the second chamber
Chamber fills sound-absorbing material in the second cavity, and breathable barrier has airing function, while being also prevented from sound-absorbing material and entering loudspeaking
In device monomer.Current breathable barrier mostly uses greatly supporting element injection molding screen cloth or the rear dress schemes such as potsherd or metal mesh, work
Skill is complicated.
Utility model content
The purpose of this utility model is to provide a kind of loudspeaker mould groups, and porous ceramic chip and module shell are integrally infused
Modeling, the sound quality regulating effect of the operatic tunes after raising, and reduce process complexity.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
The utility model discloses a kind of loudspeaker mould groups, the loudspeaking including module shell and in the module shell
The cavity that the module shell surrounds is divided into the preceding operatic tunes and the rear operatic tunes, the module shell by device monomer, the loudspeaker monomer
In be additionally provided with will it is described after the operatic tunes be divided into the breathable barrier of the first cavity and the second cavity, filled with inhaling in second cavity
Sound material, the breathable barrier are the porous ceramic chip with the module shell integrated injection molding.
Preferably, the porous ceramics on piece is formed with multiple air holes, the aperture of the multiple air hole 0.03~
Between 0.15mm.
Preferably, the thickness of the porous ceramic chip is between 0.03-0.4mm.
Preferably, a part of fringe region of the porous ceramic chip and the module shell integrated injection molding, another part
Fringe region and module shell sealed set.
Preferably, the module shell includes mould group upper casing, shell and mould group lower casing, the loudspeaker monomer and institute in mould group
It states mould group upper casing and surrounds the preceding operatic tunes, the loudspeaker monomer is surrounded with shell in the mould group upper casing, mould group and mould group lower casing
The operatic tunes after described.
Preferably, a part of fringe region of the porous ceramic chip and shell integrated injection molding in the mould group, another part
Fringe region and mould group lower casing sealed set.
Preferably, shell includes bottom wall and the side wall relative to bottom wall extension in the mould group, and the side wall includes opposite
The first side wall and second sidewall, the porous ceramic chip be rectangle, including sequentially connected first while, second while, third side and
4th side, wherein first while, second while and third side and mould group in shell integrated injection molding, the 4th side and the mould group lower casing seal
Setting.
Preferably, the sealed set is gluing sealing.
Preferably, spring washer is equipped between the mould group lower casing and the porous ceramic chip, the spring washer is compressed to be set with sealing
Set the mould group lower casing and the porous ceramic chip.
Preferably, the spring washer is fixed on the mould group lower casing or the porous ceramics on piece.
The beneficial effects of the utility model are as follows:
The utility model porous ceramic chip is directly molded with loudspeaker module shell, and isolation sound-absorbing can be realized without assembling
Material and ventilative effect reduce process complexity, while ceramics have high apparent porosity, when sound wave is passed to, in very little
Stomata in by forced oscillation, vibration is rubbed and is hindered, and is suppressed Acoustic Wave Propagation, is led to sound attenuating, to play
The frequency acoustic performance of loudspeaker mould group can be improved in sound absorption.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 shows the decomposition diagram of the utility model loudspeaker mould one specific embodiment of group.
Fig. 2 shows the appearance schematic diagrams of the utility model loudspeaker mould one specific embodiment of group.
Fig. 3 is shown in Fig. 2 along the diagrammatic cross-section in the direction A-A.
Fig. 4 shows the enlarged diagram of B area in Fig. 3.
Appended drawing reference:
11, mould group upper casing, 12, shell in mould group, 13, mould group lower casing, 2, porous ceramic chip, 21, air hole, 3, loudspeaker list
Body, 31, vibration component, 32, magnetic circuit component, 4, glue.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
Fig. 1-4 shows an a kind of specific embodiment of loudspeaker mould group, and in the present embodiment, loudspeaker mould group includes mould
Assembly housing and the loudspeaker monomer 3 in the module shell, the sky that the loudspeaker monomer 3 surrounds the module shell
Chamber is divided into the preceding operatic tunes and the rear operatic tunes, be equipped in the module shell will it is described after the operatic tunes be divided into the saturating of the first cavity and the second cavity
Air bound off member is filled with sound-absorbing material in second cavity, which is characterized in that the breathable barrier is porous ceramic chip 2.
In the utility model, porous ceramic chip 2 is directly molded with loudspeaker module shell, and isolation can be realized without assembling
Sound-absorbing material and ventilative effect reduce process complexity, while ceramics have high apparent porosity, when sound wave is passed to,
By forced oscillation in the stomata of very little, vibration is rubbed and is hindered, is suppressed Acoustic Wave Propagation, lead to sound attenuating, thus
Sound absorption is played, the frequency acoustic performance of loudspeaker mould group can be improved.
Multiple air holes 21 are formed on the porous ceramic chip 2, sound-absorbing particle preferably may be selected in sound-absorbing material, porous
The diameter of the air hole 21 of potsherd 2 should be less than the diameter of sound-absorbing particle, prevents sound-absorbing material from entering across breathable barrier and raises
Sound device monomer 3.The aperture of the multiple air hole 21 may be configured as between 0.03~0.15mm as a result, is isolated between suction with playing
The effect of material.
The thickness of effect in view of potsherd to air-flow, the porous ceramic chip 2 preferably may be configured as 0.03-
Between 0.4mm, preferably to adjust the acoustical behavior of loudspeaker.
In a preferred embodiment, porous ceramic chip 2 and when module shell integrated injection molding, can first will be described porous
A part of fringe region of potsherd 2 and the module shell integrated injection molding, when assembling forms module shell, porous ceramic chip
2 another part fringe region can be with the module shell part sealed set of rear dress, so that porous ceramic chip 2 is by the mould after assembling
The cavity that assembly housing is formed is divided into the first cavity and the second cavity, plays the role of that sound-absorbing material is isolated.
Preferably, in the present embodiment, as shown in Figure 1, module shell includes mould group upper casing 11, in mould group under shell 12 and mould group
Shell 13, the cavity of receiving loudspeaker monomer 3 is collectively formed in shell 12 and mould group lower casing 13 in mould group upper casing 11, mould group.Specifically, institute
State loudspeaker monomer 3 and the mould group upper casing 11 surround the preceding operatic tunes for sounding, the loudspeaker monomer 3 in the mould group
Shell 12 and mould group lower casing 13 surround the rear operatic tunes in shell 11, mould group, which is used to adjust the sound quality of acoustical generator, improve loudspeaker
Frequency acoustic performance.In the present embodiment, mould group lower casing 13 is metal material formation, 12 injection molding of shell in mould group
Afterwards, shell 12 in mould group upper casing 11 and mould group lower casing 13 and mould group altogether fixation is formed into module shell.It is fixed in module shell
Loudspeaker monomer 3 may include vibration component 31 and magnetic circuit component 32, vibration component 31 is formed with magnetic field in magnetic circuit component 32
Act on lower vibration sounding.
It is thus preferable that in the present embodiment, a part of fringe region of the porous ceramic chip 2 can in mould group shell 12
When injection molding with the mould group in 12 integrated injection molding of shell, another part fringe region can mould group lower casing 13 assemble when with mould group lower casing
13 sealed sets, shell 12 and mould group upper casing 11 and mould group lower casing 13 are logical while assembling forms module shell jointly in mould group
The sealing for crossing mould group lower casing 13 and porous ceramic chip 2 makes the rear operatic tunes be divided into the first cavity and the second cavity.
Specifically, shell 12 may include bottom wall and the side wall relative to bottom wall extension, the packet that the side wall can be opposite in mould group
Include the first side wall and second sidewall.The porous ceramic chip 2 may be configured as rectangle, and porous ceramic chip 2 includes sequentially connected the
On one side, second in, third and the fringe region of four, the 4th side, wherein first while, second while and third Bian Keyu mould group in shell
12 integrated injection moldings, the 4th side can be with 13 sealed sets of mould group lower casing.
In a preferred embodiment, the sealed set mode between porous ceramic chip 2 and mould group lower casing 13 can be painting
Glue sealing that is, in porous ceramic chip 2 and mould group after 12 integrated injection molding of shell, is used to seal with mould group lower casing 13 in porous ceramic chip 2
When the lid of shell 12 closes fixed in gluing on the surface of setting, mould group lower casing 13 and mould group, as shown in figure 4, porous ceramic chip 2 and mould group
Lower casing 13 can be bonded by glue 4, to eliminate the gap between mould group lower casing 13 and porous ceramic chip 2, realize sealed set.
It is preferably carried out in mode, can also be arranged between the mould group lower casing 13 and the porous ceramic chip 2 at another
Spring washer, the spring washer are compressed to eliminate mould group lower casing 13 and porous ceramic chip when shell 12 assembles in mould group lower casing 13 and mould group
Gap between 2, mould group lower casing 13 and the porous ceramic chip 2 described in sealed set.Wherein, spring washer can be preferably fixed on porous
On potsherd 2, it could be secured on mould group lower casing 13.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (10)
1. a kind of loudspeaker mould group, the loudspeaker monomer including module shell and in the module shell, the loudspeaker
The cavity that the module shell surrounds is divided into the preceding operatic tunes and the rear operatic tunes by monomer, and being additionally provided in the module shell will the rear sound
Chamber is divided into the breathable barrier of the first cavity and the second cavity, is filled with sound-absorbing material in second cavity, which is characterized in that
The breathable barrier is the porous ceramic chip with the module shell integrated injection molding.
2. loudspeaker mould group according to claim 1, which is characterized in that the porous ceramics on piece is formed with multiple ventilative
Hole, the aperture of the multiple air hole is between 0.03~0.15mm.
3. loudspeaker mould group according to claim 1, which is characterized in that the thickness of the porous ceramic chip is in 0.03-
Between 0.4mm.
4. loudspeaker mould group according to claim 1, which is characterized in that a part of fringe region of the porous ceramic chip
With the module shell integrated injection molding, another part fringe region and module shell sealed set.
5. loudspeaker mould group according to claim 4, which is characterized in that the module shell includes mould group upper casing, mould group
Middle shell and mould group lower casing, the loudspeaker monomer and the mould group upper casing surround the preceding operatic tunes, the loudspeaker monomer and institute
State mould group upper casing, in mould group shell and mould group lower casing surround it is described after the operatic tunes.
6. loudspeaker mould group according to claim 5, which is characterized in that a part of fringe region of the porous ceramic chip
With shell integrated injection molding in the mould group, another part fringe region and mould group lower casing sealed set.
7. loudspeaker mould group according to claim 5, which is characterized in that shell includes the bottom wall and bottom of relative in the mould group
The side wall that wall extends, the side wall include opposite the first side wall and second sidewall, and the porous ceramic chip is rectangle, including according to
The first of secondary connection while, second while, third while and when the 4th, wherein first while, second while and third side and mould group in shell one
Injection molding, the 4th side and the mould group lower casing sealed set.
8. according to the described in any item loudspeaker mould groups of claim 4-7, which is characterized in that the sealed set is that gluing is close
Envelope.
9. according to the described in any item loudspeaker mould groups of claim 4-7, which is characterized in that the mould group lower casing with it is described porous
Spring washer is equipped between potsherd, the spring washer is compressed with mould group lower casing described in sealed set and the porous ceramic chip.
10. loudspeaker mould group according to claim 9, which is characterized in that the spring washer be fixed on the mould group lower casing or
The porous ceramics on piece.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597002.3U CN208707955U (en) | 2018-09-28 | 2018-09-28 | A kind of loudspeaker mould group |
| PCT/CN2018/125750 WO2020062698A1 (en) | 2018-09-28 | 2018-12-29 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597002.3U CN208707955U (en) | 2018-09-28 | 2018-09-28 | A kind of loudspeaker mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208707955U true CN208707955U (en) | 2019-04-05 |
Family
ID=65947802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821597002.3U Active CN208707955U (en) | 2018-09-28 | 2018-09-28 | A kind of loudspeaker mould group |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208707955U (en) |
| WO (1) | WO2020062698A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163406A (en) * | 2019-12-30 | 2020-05-15 | 歌尔股份有限公司 | Sound production device and speaker module |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205847549U (en) * | 2016-07-20 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Speaker module |
| CN107071668B (en) * | 2017-05-24 | 2019-08-20 | 歌尔股份有限公司 | Loudspeaker mould group and electronic equipment |
| CN207625783U (en) * | 2017-08-18 | 2018-07-17 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2018
- 2018-09-28 CN CN201821597002.3U patent/CN208707955U/en active Active
- 2018-12-29 WO PCT/CN2018/125750 patent/WO2020062698A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163406A (en) * | 2019-12-30 | 2020-05-15 | 歌尔股份有限公司 | Sound production device and speaker module |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020062698A1 (en) | 2020-04-02 |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |