CN107295449A - A kind of method for packing of microphone assembly, mobile terminal and microphone assembly - Google Patents
A kind of method for packing of microphone assembly, mobile terminal and microphone assembly Download PDFInfo
- Publication number
- CN107295449A CN107295449A CN201710487795.7A CN201710487795A CN107295449A CN 107295449 A CN107295449 A CN 107295449A CN 201710487795 A CN201710487795 A CN 201710487795A CN 107295449 A CN107295449 A CN 107295449A
- Authority
- CN
- China
- Prior art keywords
- microphone
- protective case
- accommodating cavity
- terminal shell
- fixed
- 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.)
- Withdrawn
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Classifications
-
- 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
- H04R9/08—Microphones
-
- 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
- H04R2410/00—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses the method for packing of a kind of microphone assembly, mobile terminal and microphone assembly, the microphone assembly includes：Protective case；Terminal shell, provided with sound inlet, and constitutes together with protective case the accommodating cavity of microphone, sound inlet connection accommodating cavity；Microphone chip, microphone chip is fixed in accommodating cavity.By the above-mentioned means, the present invention can make the accommodating cavity of microphone have good sealing, it is to avoid the generation for situations such as sound is revealed, voice quality is improved.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of microphone assembly, mobile terminal and microphone assembly
Method for packing.
Background technology
With the development of science and technology and people's Working Life demand, on mobile terminal microphone sound requirement
More and more higher.Microphone is that terminal receives the device of sound, and the quality of microphone cavity sealing determines its work when institute
The quality of the sound quality of output.Common microphone package method has two kinds：One kind is in microphone casing body and mobile terminal
Paste foam and sealed in housing junction；Another is that overall parcel is carried out to microphone using silica gel, on microphone surface
Form a sealed cavity.
Present inventor has found that the microphone accommodating cavity of both method for packing does not have in long-term R＆D process
There is good sealing, space is still had between microphone casing body and mobile terminal shell, causes situations such as sound is revealed
Occur, it is impossible to meet the demand of user.
The content of the invention
The main technical problem to be solved in the present invention is to provide a kind of microphone assembly, mobile terminal and microphone assembly
Method for packing, enabling to the accommodating cavity of microphone has good sealing, it is to avoid the generation for situations such as sound is revealed, and improves
Voice quality.
In order to solve the above technical problems, one aspect of the present invention is：A kind of microphone assembly is provided, the wheat
Gram wind component includes：Protective case；Terminal shell, provided with sound inlet, and constitutes together with protective case the accommodating cavity of microphone, enters sound
Hole connects accommodating cavity；Microphone chip, microphone chip is fixed in accommodating cavity；Vibrating diaphragm, what vibrating diaphragm was fixed on accommodating cavity enters sound
On the inside of hole.
Wherein, the microphone assembly further comprises circuit board, and microphone chip is connected by wire with circuit board.
Further, microphone chip has spacing with vibrating diaphragm.
Wherein, protective case is constituted with terminal shell using identical material.
Wherein, protective case is the cavity of hexahedron one side less, and terminal shell is placed in the one side position that cavity lacks.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of mobile terminal is provided, the shifting
Dynamic terminal includes above-mentioned microphone assembly, and the terminal shell is the frame or rear shell of mobile terminal.
In order to solve the above technical problems, another technical scheme that the present invention is used is：A kind of microphone assembly is provided
Method for packing, the method for packing includes：A protective case is provided, the protective case is fixed on the inner side of terminal shell；In terminal shell
It is provided with sound inlet；Terminal shell constitutes the accommodating cavity of microphone, sound inlet connection accommodating cavity together with protective case；In accommodating cavity
Interior fixed microphone chip；Vibrating diaphragm is fixed on the inside of the sound inlet of accommodating cavity.
Wherein there is provided a protective case, the protective case is fixed on the inner side of terminal shell, including：Protective case passes through ultrasonic wave
The mode of welding is fixed on the inner side of terminal shell.
Wherein there is provided a protective case, the protective case is fixed on the inner side of terminal shell, further comprised：Using same material
Matter makes protective case and terminal shell.
Further, microphone chip is connected by wire with circuit board.
Beneficial effects of the present invention have：The situation of prior art is different from, inventive microphone component includes：Protective case；
Terminal shell, provided with sound inlet, and constitutes together with protective case the accommodating cavity of microphone, sound inlet connection accommodating cavity；Microphone
Chip, microphone chip is fixed in accommodating cavity；Vibrating diaphragm, vibrating diaphragm is fixed on the inside of the sound inlet of accommodating cavity.By the above-mentioned means,
The present invention unites two into one the protective case in microphone assembly and terminal shell, and the accommodating cavity of microphone is constituted together, rather than
Only as two completely self-contained parts, so that the accommodating cavity of microphone has good sealing, it is to avoid sound leakage etc.
The occurrence of, improve voice quality.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.Wherein：
Fig. 1 is the structural representation of the embodiment of inventive microphone component one；
Fig. 2 is the partial structural diagram of microphone assembly shown in Fig. 1；
Fig. 3 is the structural representation of the embodiment of mobile terminal one of the present invention；
Fig. 4 is the schematic flow sheet of the embodiment of method for packing one of inventive microphone component.
Embodiment
Refering to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of the embodiment of inventive microphone component one, and Fig. 2 is wheat shown in Fig. 1
The partial structural diagram of gram wind component.In the present embodiment, the microphone assembly 11 includes：Protective case 111, terminal shell 112,
Sound inlet 113, accommodating cavity 114, microphone chip 115, vibrating diaphragm 116.
Specifically, terminal shell 112 is provided with sound inlet 113.In the present embodiment, the quantity of sound inlet 113 can basis
Demand is set to one or more, does not limit herein.
Terminal shell 112 constitutes the accommodating cavity 114 of microphone together with protective case 111, wherein, the connection of sound inlet 113 should
Accommodating cavity 114 so that external sound can be entered in accommodating cavity 114 through the sound inlet 113.Wherein, the end in the present embodiment
End can be specifically mobile phone, tablet personal computer, notebook, recording pen etc..
Microphone chip 115 is fixed in accommodating cavity 114, specifically, and the microphone chip 115 can be fixed on accommodating cavity
On 114 either side wall, for example, being fixed on side wall of the accommodating cavity 114 away from sound inlet 113.Wherein, in the present embodiment
In, fixed form of the microphone chip 115 in accommodating cavity 114 can be adhered, be mechanically fixed or weld.
Vibrating diaphragm 116 is fixed on the inner side of sound inlet 113 of accommodating cavity 114, specifically, the side wall of vibrating diaphragm 116 and protective case 111
Link together, microphone chip 115 is isolated entirely from sound inlet 113.Wherein, in the present embodiment, vibrating diaphragm 116 is consolidated
It can be adhered, be mechanically fixed or weld to determine mode.
In addition, vibrating diaphragm 116 collectively constitutes the rear sound chamber of microphone assembly 11, vibrating diaphragm 116 and terminal shell with protective case 111
112 collectively constitute the preceding sound chamber of microphone assembly 11.In actual production, sound chamber and preceding sound chamber after can adjusting according to demand
Volume, so as to lift up direction voice quality.
The protective case 111 in microphone assembly and terminal shell 112 are united two into one in the present embodiment, wheat is constituted together
The accommodating cavity 114 of gram wind, rather than only as two completely self-contained parts, so that the accommodating cavity 114 of microphone has
Good sealing, it is to avoid the generation for situations such as sound is revealed, improves voice quality.
With continued reference to Fig. 1 and Fig. 2, in one embodiment, microphone assembly 11 further comprises circuit board 117, wire
118, wherein, microphone chip 115 is connected by wire 118 with circuit board 117.
In the present embodiment, sound can enter inside microphone assembly 11 from the sound inlet 113 on terminal shell 112,
Vibrating diaphragm 116 produces vibration, and the energy for then vibrating generation is converted into electric signal, microphone by internal microphone chip 115
Chip 115 by electric signal by passing to the coder in circuit board 117 (not indicating) to wire 118, so as to realize to sound
The collection of sound.
With continued reference to Fig. 1 and Fig. 2, in one embodiment, left between microphone chip 115 and vibrating diaphragm 116 it is certain between
Away from.Wherein, the spacing width between microphone chip 115 and vibrating diaphragm 116 can be set according to application demand, not limited herein
It is fixed, specifically depend on the circumstances.
In the present embodiment, enable to leave certain spacing between microphone chip 115 and vibrating diaphragm 116 and optimize microphone
The Frequency Response of component, improves voice quality.
With continued reference to Fig. 1 and Fig. 2, in one embodiment, protective case 111 and terminal shell 112 can use identical material group
Into.In an application scenarios, the material of protective case 111 and terminal shell 112 is with good stiffness and shielding electromagnetic interference
Same metal material.In other embodiments, protective case 111 and the material of terminal shell 112 can be good other of rigidity
Material, such as polymethyl methacrylate.
With continued reference to Fig. 1 and Fig. 2, in one embodiment, protective case 111 is the cavity of hexahedron one side less, terminal shell
112 are placed on the one side position that the cavity of protective case 111 lacks, so that cavity and the sound inlet 113 set on terminal shell 112
Connection.
In the present embodiment, protective case 111 and terminal shell 112 are constituted using identical material, is conducive to integrally formed guarantor
Sheath 111 and terminal shell 112, or the intermolecular work in fixed protective case 111 and terminal shell 112 using identical material
Firmly big the characteristics of so that the combination of the two is even closer, it is ensured that the sealing of microphone accommodating cavity, improve voice quality.
Refering to Fig. 3, during Fig. 3 is the structural representation of the embodiment of mobile terminal one of the present invention, the present embodiment, mobile terminal 10
Including the microphone assembly 11 in above-described embodiment.Wherein, the detailed content of the microphone assembly 11 refers to the invention described above
Microphone assembly embodiment, here is omitted.
In the present embodiment, mobile terminal 10 includes above-mentioned microphone assembly 11, and the microphone of the mobile terminal 10 is housed
Chamber has good sealing, can avoid the generation for situations such as sound is revealed, and improves voice quality.
With reference to Fig. 1 and Fig. 4, Fig. 4 is the schematic flow sheet of the embodiment of method for packing one of inventive microphone component, the envelope
Dress method comprises the following steps：
S101：A protective case 111 is provided, protective case 111 is fixed on the inner side of terminal shell 112.
Specifically, in the present embodiment, the inner side of the fixed terminal housing 112 of protective case 111.In other embodiments, wheat
Gram wind protective case 111 can be integral with terminal shell 112, specifically can be when making terminal shell 112, by stamping forming
Mode directly forms the terminal shell 112 with microphone protective sleeve 111.
S102：Sound inlet 113 is set on terminal shell 112.
Specifically, in the present embodiment, by punch forming, it can be formed when making terminal shell 112 and carry sound inlet
113 terminal shell 112.It is pointed out that sound inlet 113 forms the one side lacked in the cavity of protective case 111.
S103：Terminal shell 112 constitutes the accommodating cavity 114 of microphone together with protective case 111, and the connection of sound inlet 113 is held
Put chamber 114.
S104：Microphone chip 115 is fixed in accommodating cavity 114.
S105：In the fixed vibrating diaphragm 116 in the inner side of sound inlet 113 of accommodating cavity 114.
In the present embodiment, by the method for ultrasonic bonding or integrated injection molding by the protective case 111 in microphone assembly
United two into one with terminal shell 112, the accommodating cavity 114 of microphone is constituted together, rather than only as two completely self-contained portions
Point, so that the accommodating cavity 114 of microphone has good sealing, it is to avoid the generation for situations such as sound is revealed, improve language
Sound quality.
With continued reference to Fig. 4, in one embodiment, step S101 includes：Protective case 111 is consolidated by way of ultrasonic bonding
It is scheduled on the inner side of the terminal shell 112.
Wherein, using ultrasonic bonding, the inner side of protective case 111 and terminal shell 112 can be made in the case of pressurization
The fusion formed between molecular layer, so as to ensure the sealing of microphone assembly 11.
With continued reference to Fig. 4, in one embodiment, step S101 also includes：Protective case 111 is made and whole using identical material
End housing 112.
With continued reference to Fig. 4, in one embodiment, step S104 also includes：Microphone chip 115 passes through wire 118 and electricity
Road plate 117 is connected.
The situation of prior art is different from, the present invention provides a kind of method for packing of microphone assembly 11, the method for packing
Including：A protective case 111 is provided, the protective case 111 is fixed on the inner side of terminal shell 112；Be provided with terminal shell 112 into
Sound hole 113；Terminal shell 112 constitutes the accommodating cavity 114 of microphone, the connection accommodating cavity of sound inlet 113 together with protective case 111
114；Microphone chip 115 is fixed in accommodating cavity 114；In the fixed vibrating diaphragm 116 in the inner side of sound inlet 113 of accommodating cavity 114.This hair
The bright protective case 111 by microphone assembly 11 is united two into one with terminal shell 112, and the accommodating cavity 114 of microphone is constituted together,
Rather than only as two completely self-contained parts, so that the accommodating cavity 114 of microphone has good sealing, it is to avoid sound
The generation for situations such as sound is revealed, improves voice quality.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is similarly included in the scope of patent protection of the present invention.
Claims (10)
1. a kind of microphone assembly, it is characterised in that including：
Protective case；
Terminal shell, provided with sound inlet, and constitutes together with the protective case accommodating cavity of microphone, the sound inlet connects institute
State accommodating cavity；
Microphone chip, the microphone chip is fixed in the accommodating cavity；
Vibrating diaphragm, the vibrating diaphragm is fixed on the inside of the sound inlet of the accommodating cavity.
2. microphone assembly according to claim 1, it is characterised in that
Further comprise circuit board, the microphone chip is connected by wire with the circuit board.
3. microphone assembly according to claim 1, it is characterised in that
The microphone chip has spacing with the vibrating diaphragm.
4. microphone assembly according to claim 1, it is characterised in that
The protective case is constituted with the terminal shell using identical material.
5. microphone assembly according to claim 1, it is characterised in that
The protective case is the cavity of hexahedron one side less, and the terminal shell is placed in the one side position that the cavity lacks.
6. a kind of mobile terminal, it is characterised in that the mobile terminal includes the Mike as described in any one of claim 1 to 5
Wind component, the terminal shell is the frame or rear shell of the mobile terminal.
7. a kind of method for packing of microphone assembly, it is characterised in that including：
A protective case is provided, the protective case is fixed on the inner side of the terminal shell；
Sound inlet is set on the terminal shell；
The terminal shell constitutes the accommodating cavity of microphone together with the protective case, and the sound inlet connects the accommodating cavity；
Microphone chip is fixed in the accommodating cavity；
Vibrating diaphragm is fixed on the inside of the sound inlet of the accommodating cavity.
8. method for packing according to claim 7, it is characterised in that the protective case of offer one, the protective case is fixed
In the inner side of the terminal shell, including：
The protective case is fixed on the inner side of the terminal shell by way of ultrasonic bonding.
9. method for packing according to claim 7, it is characterised in that the protective case of offer one, the protective case is fixed
In the inner side of the terminal shell, further comprise：
The protective case and the terminal shell are made using identical material.
10. method for packing according to claim 7, it is characterised in that
The microphone chip is connected by wire with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487795.7A CN107295449A (en) | 2017-06-23 | 2017-06-23 | A kind of method for packing of microphone assembly, mobile terminal and microphone assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487795.7A CN107295449A (en) | 2017-06-23 | 2017-06-23 | A kind of method for packing of microphone assembly, mobile terminal and microphone assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107295449A true CN107295449A (en) | 2017-10-24 |
Family
ID=60098166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710487795.7A Withdrawn CN107295449A (en) | 2017-06-23 | 2017-06-23 | A kind of method for packing of microphone assembly, mobile terminal and microphone assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107295449A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494919A (en) * | 2018-02-28 | 2018-09-04 | 广东欧珀移动通信有限公司 | Electronic equipment |
| CN112637738A (en) * | 2018-04-26 | 2021-04-09 | 深圳市韶音科技有限公司 | Earphone system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371558A (en) * | 2006-01-20 | 2009-02-18 | 日本电气株式会社 | Mobile terminal and mobile terminal noise preventing structure |
| US20110198714A1 (en) * | 2010-02-18 | 2011-08-18 | Analog Devices, Inc. | Packages and methods for packaging mems microphone devices |
| CN202218364U (en) * | 2011-08-22 | 2012-05-09 | 歌尔声学股份有限公司 | SMD microphone terminal assembling structure |
| CN103392334A (en) * | 2010-11-29 | 2013-11-13 | 摩托罗拉解决方案公司 | Acoustic porting for a portable communication device |
| CN203368751U (en) * | 2013-07-24 | 2013-12-25 | 歌尔声学股份有限公司 | Mems microphone |
-
2017
- 2017-06-23 CN CN201710487795.7A patent/CN107295449A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371558A (en) * | 2006-01-20 | 2009-02-18 | 日本电气株式会社 | Mobile terminal and mobile terminal noise preventing structure |
| US20110198714A1 (en) * | 2010-02-18 | 2011-08-18 | Analog Devices, Inc. | Packages and methods for packaging mems microphone devices |
| CN103392334A (en) * | 2010-11-29 | 2013-11-13 | 摩托罗拉解决方案公司 | Acoustic porting for a portable communication device |
| CN202218364U (en) * | 2011-08-22 | 2012-05-09 | 歌尔声学股份有限公司 | SMD microphone terminal assembling structure |
| CN203368751U (en) * | 2013-07-24 | 2013-12-25 | 歌尔声学股份有限公司 | Mems microphone |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494919A (en) * | 2018-02-28 | 2018-09-04 | 广东欧珀移动通信有限公司 | Electronic equipment |
| CN112637738A (en) * | 2018-04-26 | 2021-04-09 | 深圳市韶音科技有限公司 | Earphone system |
| CN112637737A (en) * | 2018-04-26 | 2021-04-09 | 深圳市韶音科技有限公司 | Earphone system |
| CN112637737B (en) * | 2018-04-26 | 2021-11-30 | 深圳市韶音科技有限公司 | Earphone system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171024 |