CN106412783A - Microphone structure and mobile terminal - Google Patents
Microphone structure and mobile terminal Download PDFInfo
- Publication number
- CN106412783A CN106412783A CN201611047609.XA CN201611047609A CN106412783A CN 106412783 A CN106412783 A CN 106412783A CN 201611047609 A CN201611047609 A CN 201611047609A CN 106412783 A CN106412783 A CN 106412783A
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- China
- Prior art keywords
- sound
- circuit board
- housing
- side wall
- sound inlet
- 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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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/04—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/003—Mems transducers or their use
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
A microphone structure and a mobile terminal are provided. The microphone structure comprises a circuit board, a shell, a sound inlet hole, and an acoustoelectric conversion module. The shell has a sidewall and a top surface, the edge of the sidewall is connected with the circuit board, and a cavity is formed between the edge of the sidewall and the circuit board. The sound inlet hole is formed in the sidewall of the shell. The acoustoelectric conversion module is disposed on the surface of the circuit board inside the cavity. The sound inlet tube of the microphone structure is shorter, the space occupied by the thickness of a rubber sleeve is reduced, and the quality of received sound is improved.
Description
Technical field
The present invention relates to electric terminal field, more particularly, to a kind of transmitter structure and a kind of mobile terminal.
Background technology
Now, in electronic terminal product, the species of transmitter is less, including electret mike and silicon Mike.Wherein, silicon
Mike is better than electret mike in performance and volume, but in structure design, the cavity volume of every kind of Mike, enters sound tube
Road length all occupies certain structure space.
Silicon Mike mainly includes top pickup and bottom pickup, and the design of top pickup is to send words by silica gel sheath
The pickup hole of device body forms the cavity leading note of certain altitude and realizes；The design of bottom pickup is by mainboard perforate again
Enter sound tube road through transmitter body gum cover and form pickup.
Refer to Fig. 1, be the schematic diagram of the transmitter structure of top pickup design in prior art, transmitter structure
Inside has silicon Mike and chip, and outside has gum cover 102, has into sound tube road 103 in gum cover 102, described enter sound tube road 103
Connect with entering sound mouth 101, and have into sound hole 104.Mobile terminal has into sound mouth, with described transmitter structure enter sound hole
104 docking, the circuit board 105 due to described transmitter structure is located in the circuit board plane of described mobile terminal, and described electricity
Road plate plane with enter sound mouth place plane vertical, and enter sound tube road 103 need connection mobile terminal enter sound mouth and transmitter
Sound inlet 101, so described enter sound tube road 103 be zigzag.Wherein, it is located in gum cover due to entering sound tube road, sending words
The top of device structure need to have into sound tube road, thus need to increase the thickness of gum cover to carry into sound tube road, thus increased sending words
The volume of device structure, occupies the space of mobile terminal.
In the state of thickness with electronic terminal product is increasingly cut down and stand-by time increasingly strengthens, make full use of knot
Conformational space, increasingly strong to reach the demand lifting handset capability, for silicon Mike, the size of Mike's gum cover is thick
Degree has certain demand to space, and the design of other lifting transmitter performance also cannot be realized because of the restriction in space.
So the present invention needs to provide a kind of transmitter structure, to reach the effect of save space.
Content of the invention
The technical problem to be solved is to provide a kind of transmitter structure, saves occupied by transmitter structure
Structure space.
In order to solve the above problems, the invention provides a kind of transmitter structure.
Described transmitter structure, including：Circuit board；Housing, described housing has side wall and a top surface, described sidewall edge with
Circuit board connects, and forms cavity and circuit board between；Sound inlet, described sound inlet is located on the side wall of described housing；Acoustic-electric turns
Die change block, the circuit board surface that described acoustic-electric modular converter is located in cavity.
Optionally, also include：Gum cover, described gum cover wraps the outer wall of housing and circuit board.
Optionally, enter sound tube road, described enter sound tube road be located in described gum cover, connect with described sound inlet.
Optionally, the shape of cross section of described sound inlet is circular, square or rectangle.
Optionally, the side wall of described sound inlet intersects formed angle with the side wall of described housing is acute angle.
The present invention also provides a kind of mobile terminal, including：Transmitter structure, described transmitter structure includes：Circuit board, shell
Body, described housing has side wall and top surface, and described sidewall edge is connected with circuit board, forms cavity, enters sound and circuit board between
Hole, described sound inlet is located on the side wall of described housing, acoustic-electric modular converter, the electricity that described acoustic-electric modular converter is located in cavity
Road plate surface；Shell, described shell is formed with into sound mouth；Enter sound tube road, described enter sound pipeline communication described in enter sound mouth and enter
Sound hole, and described enter sound tube road be straight pipeline.
Optionally, also include：Gum cover, described gum cover wraps the outer wall of housing and circuit board, described enter sound tube road be located at
In described gum cover.
Optionally, the shape of cross section of described sound inlet is circular, square or strip.
Optionally, the side wall of described sound inlet intersects formed angle with the side wall of described housing is acute angle.
Optionally, the central point of described sound inlet with described enter sound mouth central point be connected formed straight line with described
Circuit board is parallel.
The transmitter structure of the present invention, the position of sound inlet on the side wall of housing, can make into sound tube road do not need with
What tortuous form connected sound inlet and mobile terminal enters sound mouth, but with the form connection sound inlet of straight line and enters sound mouth, phase
Enter sound tube road than sinuous configuration, described enter sound tube track pitch from less, reduce the loss of acoustic energy, it is to avoid the generation of noise,
Improve the speech quality of mobile terminal it is often more important that, because housing or circuit board bottom do not need to open into sound tube road,
Thickness positioned at case top or the gum cover of circuit board bottom therefore reduces, so that the volume of transmitter structure reduces, section
About space.
Further, the cross section of sound inlet be shaped as rectangle, square or circular, and the side wall of sound hole
Intersecting formed angle with the side wall of described housing is acute angle, and this makes dust be not easily accessible inside transmitter, preferably protects
Transmitter.
The mobile terminal of the present invention, the position of sound inlet, on the side wall of housing, is entered sound tube road and is located in gum cover, make into sound
Hole connects with the sound mouth that enters on mobile terminal, the central point of described sound inlet with described enter sound mouth central point be connected and formed
Straight line parallel with described circuit board, therefore described enter sound tube road be straight pipeline, that compares sinuous configuration enters sound tube road, described enter
Sound tube track pitch, from less, reduces the loss of acoustic energy, it is to avoid the generation of noise, improves the speech quality of mobile terminal.More
Importantly, due to housing or circuit board bottom do not need to open into sound tube road, positioned at the glue of housing or circuit board bottom
The thickness of set therefore reduces so that the volume of transmitter structure reduces, and saves transmitter structure occupied in the terminal
Space so that the space utilization of mobile terminal has more selections.
Further, the cross section of described sound inlet be shaped as rectangle, square or circular, and sound inlet
Side wall intersect formed angle with the side wall of described housing be acute angle, this makes dust be not easily accessible transmitter inside configuration, more
The good performance protecting transmitter structure, improving mobile terminal.
Brief description
Fig. 1 is the transmitter structural representation of the prior art of the present invention；
Fig. 2 is the transmitter structural representation of the embodiment of the invention；
Fig. 3 is the mobile terminal structure schematic diagram of the embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the transmitter structure that the present invention provides is elaborated.
Refer to Fig. 2, be the transmitter structural representation of the embodiment of the invention.
Described transmitter structure, including：Circuit board 201；Housing 202, described housing 202 has side wall and top surface, described
Sidewall edge is connected with circuit board 201, forms cavity and circuit board 201 between；Sound inlet 203, described sound inlet 203 is located at institute
State on the side wall of housing 202；Acoustic-electric modular converter 204, circuit board 201 table that described acoustic-electric modular converter 204 is located in cavity
Face.
Described circuit board 201 is used for connecting each components and parts on circuit board 201, so that them is interconnected, and plays work
With.
The side wall of described housing 202 is perpendicular with circuit board 201, and its sidewall edge is connected with circuit board 201, is formed
Cavity be cuboid or square etc., described housing 202 is to be made of metal, and in other specific embodiments, also may be used
To be made up of other materials.
Described sound inlet 203 is located on the side wall of housing 202, and sound can enter from outside by sound inlet 203 and send words
Device inside configuration.
In a detailed embodiment, the cross section of described sound inlet 203 can be circular, rectangle or pros
Shape etc., it is acute angle that its side wall intersects formed angle with the side wall of described housing 202, and such dust is not easily accessible described transmitter knot
Inside structure.In other specific embodiments it is also possible to make sound inlet 203 cross section not of uniform size, from sound inlet 202 in shell
To the position of inner side, the area of the cross section of sound inlet 202 becomes larger the outermost of body 202 side wall, makes dust be difficult to lead to
Cross sound inlet 203 and enter transmitter inside configuration, or the side wall of described sound inlet 203 is intersected with the side wall of described housing 202
Formed angle is the forms such as right angle.
In this embodiment, the side wall of sound inlet 203 intersects formed angle with the side wall of described housing 202 is sharp
Angle, in the cross section of sound inlet 203, from sound inlet 202 housing 202 side wall outermost to inner side position, sound inlet
The area of 202 cross section becomes larger, and so that dust is not easily accessible inside sound inlet 203, and has not affected sound
Transmission, makes the most simple and easy.
Described acoustic-electric modular converter 204, is connected chip 208, described silicon Mike including silicon Mike 207 with silicon Mike 207
207 are used for for acoustic signals being converted into the signal of telecommunication, and the signal of telecommunication that chip 208 is used for described silicon Mike 207 is produced is processed
And transmission.
In a specific embodiment, in described transmitter structure, also include gum cover 205, described gum cover 205 wraps electricity
Road plate 201 and the outer wall of housing 202, have one to enter sound tube road 206 in gum cover 205, for connecting extraneous and sound inlet 203,
It is the transmission pipeline from extraneous incoming transmitter inside configuration for the sound.
Because sound is to enter transmitter structure through the sound mouth that enters of mobile terminal from the external world, therefore enter sound tube road 206
Needs connect into sound mouth and sound inlet 203, because described circuit board 201 is located in the circuit board plane of mobile terminal, described electricity
Road plate plane with described enter sound mouth be located plane vertical, sound inlet 203 positioned at housing 202 side wall, circuit board 201 with described
The plane that sound inlet 203 is located is vertical, therefore, plane that sound inlet 203 is located with described enter sound mouth place plane parallel, institute
So that entering sound tube road 206 does not need to connect into sound mouth and sound inlet 203 with tortuous form, but the form of straight line connects into sound
Mouthful and sound inlet 203, described enter sound tube road 206 be a straight pipeline, therefore described enter sound tube road 206 length than with tortuous
Form enter sound tube road length little, sound can be reduced in the sound energy loss entering in sound tube road 206 transmission, and will not produce
Noise, improves volume and the quality of the sound that transmitter structure is accepted；And in gum cover 205 be located at housing 202 top or
The part of person's circuit board 201 bottom does not need to thicken, and to carry and to enter sound tube road 206, such that it is able to cut down in gum cover 205
In gum cover 205 thickness of housing 202 top or circuit board 201 bottom, reduce the volume of transmitter structure.
The transmitter structure of the present invention, the position of sound inlet 203, on the side wall of housing 202, can make into sound tube road 206
Do not need to enter sound mouth with what tortuous form connected sound inlet 203 and mobile terminal, but sound inlet is connected with the form of straight line
203 and enter sound mouth, that compares sinuous configuration enters sound tube road 206, described enter sound tube road 206 apart from less, reduce the damage of acoustic energy
Consumption, it is to avoid the generation of noise, improve the speech quality of mobile terminal it is often more important that, due to housing 202 top or electricity
Road plate 201 bottom does not need to open into sound tube road 206, positioned at the thickness of housing 202 or the gum cover 205 of circuit board 201 bottom
Therefore reduce, so that the volume of transmitter structure reduces, save space.
Further, the cross section of sound inlet 203 be shaped as rectangle, square or circular, and sound inlet
It is acute angle that 203 side wall intersects formed angle with the side wall of described housing 202, and this makes dust be not easily accessible inside transmitter,
Preferably protect transmitter.
Refer to Fig. 3, the present invention also provides a kind of mobile terminal.
Described mobile terminal includes：Transmitter structure, described transmitter structure includes：Circuit board 201, housing 202, described
Housing 202 has side wall and top surface, and described sidewall edge is connected with circuit board 201, forms cavity, enters and circuit board 201 between
Sound hole 203, described sound inlet 203 is located on the side wall of described housing 202, acoustic-electric modular converter 204, described acoustic-electric modular converter
204 circuit board 201 surfaces being located in cavity；Shell 301, described shell 301 is formed with into sound mouth 302；Enter sound tube road
206, described enter sound tube road 206 connect described in enter sound mouth 301 and sound inlet 203, and described enter sound tube road 206 be straight pipeline.
Described circuit board 201 is used for connecting each components and parts on circuit board 201, so that them is interconnected, and plays work
With.
The side wall of described housing 202 is perpendicular with circuit board 201, and its sidewall edge is connected with circuit board 201, is formed
Cavity be cuboid or square etc., described housing 202 is to be made of metal, and in other specific embodiments, also may be used
To be made up of other materials.
Described sound inlet 203 is located on the side wall of housing 202, and sound can enter from outside by sound inlet 203 and send words
Device inside configuration.
In a detailed embodiment, the cross section of described sound inlet 203 can be circular, rectangle or pros
Shape etc., it is acute angle that its side wall intersects formed angle with the side wall of described housing 202, and such dust is not easily accessible described transmitter knot
Inside structure.In other specific embodiments it is also possible to make sound inlet 203 cross section not of uniform size, from sound inlet 202 in shell
To the position of inner side, the area of the cross section of sound inlet 202 becomes larger the outermost of body 202 side wall, makes dust be difficult to lead to
Cross sound inlet 203 and enter transmitter inside configuration, or the side wall of described sound inlet 203 is intersected with the side wall of described housing 202
Formed angle is the forms such as right angle.
In this embodiment, the side wall of sound inlet 203 intersects formed angle with the side wall of described housing 202 is sharp
Angle, in the cross section of sound inlet 203, from sound inlet 202 housing 202 side wall outermost to inner side position, sound inlet
The area of 202 cross section becomes larger, and so that dust is not easily accessible inside sound inlet 203, and has not affected sound
Transmission, makes the most simple and easy.
Described acoustic-electric modular converter 204, including silicon Mike 207 and chip 208, described silicon Mike is used for turning sound wave signals
Change electronic signal into, chip is used for electronic signal being processed and transmitting.
Described shell 301 is used for protecting the hardware of mobile terminal injury-free, by materials such as metal, plastics or potteries
Make.
Described enter sound mouth 302 be located at described shell 301 on, for enable the external world sound enter in mobile terminal.
In a specific embodiment, in described transmitter structure, also include gum cover 205, described gum cover 205 wraps electricity
Road plate 201 and the outer wall of housing 202, have one to enter sound tube road 206, for connecting into sound mouth 302 and sound inlet in gum cover 205
302, it is a kind of to make sound from the transmission pipeline of extraneous incoming transmitter inside configuration.Enter sound tube road 206 connecting into sound mouth 302
During with sound inlet 203, with the form connection of straight line, the length entering sound tube road 206 compares the length entering sound tube road with sinuous configuration
For degree, numerical value reduces.
In this embodiment, described enter the central point of sound mouth 302 and sound inlet 203 central point connect and formed
Straight line parallel with described circuit board 201, described straight line, perpendicular to the side wall of housing 202 and shell 301, enters sound tube road 206
Length is the minima of distance between the plane that sound mouth 302 and sound inlet 203 are located, and reduces sound entering in sound tube road 206
The sound energy loss of transmission, and noise will not be produced, improve volume and the quality of the sound that transmitter structure is accepted.
Importantly, the gum cover positioned at housing 202 top or circuit board 201 bottom does not need to thicken, to carry position
Enter sound tube road 206 in gum cover 205, such that it is able to cut down the gum cover 205 at housing 202 top or circuit board 201 bottom
Thickness, greatly reduces the volume of transmitter structure so that mobile terminal can more efficiently utilization structure space, and make
More frivolous, the speech quality of lifting mobile terminal of mobile terminal.
During other specific embodiments, according to the concrete form of mobile terminal, it is straight pipeline entering sound tube road 206
On the basis of, sound inlet 203 can also differ with the size entering sound mouth 302, and sound inlet 203 and the phase entering sound mouth 302
Can be other states to position, such as sound inlet 203 be located on sound mouth 302 or under etc..
The mobile terminal of the present invention, the position of sound inlet 203, on the side wall of housing 202, is entered sound tube road 206 and is located at gum cover
In 205, so that sound inlet 203 is connected with the sound mouth 302 that enters on mobile terminal, the central point of described sound inlet 203 with described enter sound
Mouthfuls 302 central point the formed straight line that is connected is parallel with described circuit board 201, therefore described enter sound tube road 206 be straight tube
Road, that compares sinuous configuration enters sound tube road 206, described enter sound tube road 206 apart from less, reduce the loss of acoustic energy, it is to avoid
The generation of noise, improve the speech quality of mobile terminal it is often more important that, due to housing 202 or circuit board 201 bottom not
Needs are opened into sound tube road 206, therefore reduce positioned at the thickness of housing 202 or the gum cover 205 of circuit board 201 bottom so that
The volume of transmitter structure reduces, and saves transmitter structure space occupied in the terminal so that mobile terminal
Space utilization has more selections.
Further, the cross section of described sound inlet 203 be shaped as rectangle, square or circular, and enter sound
It is acute angle that the side wall in hole 203 intersects formed angle with the side wall of described housing 202, and this makes dust be not easily accessible transmitter structure
Inside, preferably protects transmitter structure, improves the performance of mobile terminal.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of transmitter structure is it is characterised in that include：
Circuit board；
Housing, described housing has side wall and top surface, and described sidewall edge is connected with circuit board, is formed empty and circuit board between
Chamber；
Sound inlet, described sound inlet is located on the side wall of described housing；
Acoustic-electric modular converter, the circuit board surface that described acoustic-electric modular converter is located in cavity.
2. transmitter structure according to claim 1 is it is characterised in that also include：Gum cover, described gum cover wraps housing
Outer wall with circuit board.
3. transmitter structure according to claim 2 is it is characterised in that enter sound tube road, described enter sound tube road be located at described
In gum cover, connect with described sound inlet.
4. transmitter structure according to claim 1 it is characterised in that the shape of cross section of described sound inlet be circular,
Square or rectangle.
5. transmitter structure according to claim 1 is it is characterised in that the side of the side wall of described sound inlet and described housing
It is acute angle that wall intersects formed angle.
6. a kind of mobile terminal is it is characterised in that include：
Transmitter structure, described transmitter structure includes：Circuit board, housing, described housing has side wall and top surface, described side wall
Edge is connected with circuit board, and circuit board between formed cavity, sound inlet, described sound inlet be located at described housing side wall on,
Acoustic-electric modular converter, the circuit board surface that described acoustic-electric modular converter is located in cavity；
Shell, described shell is formed with into sound mouth；
Enter sound tube road, described enter sound pipeline communication described in enter sound mouth and sound inlet, and described enter sound tube road be straight pipeline.
7. mobile terminal according to claim 6 is it is characterised in that also include：Gum cover, described gum cover wrap housing and
The outer wall of circuit board, described enter sound tube road be located at described gum cover in.
8. mobile terminal according to claim 6 is it is characterised in that the shape of cross section of described sound inlet is circular, just
Square or strip.
9. mobile terminal according to claim 6 is it is characterised in that the side wall of the side wall of described sound inlet and described housing
Intersecting formed angle is acute angle.
10. mobile terminal according to claim 6 it is characterised in that the central point of described sound inlet with described enter sound mouth
Central point the formed straight line that is connected parallel with described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047609.XA CN106412783B (en) | 2016-11-23 | 2016-11-23 | Microphone structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047609.XA CN106412783B (en) | 2016-11-23 | 2016-11-23 | Microphone structure and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106412783A true CN106412783A (en) | 2017-02-15 |
| CN106412783B CN106412783B (en) | 2022-04-12 |
Family
ID=58082329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611047609.XA Active CN106412783B (en) | 2016-11-23 | 2016-11-23 | Microphone structure and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106412783B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889967A (en) * | 2019-03-28 | 2019-06-14 | 百度在线网络技术（北京）有限公司 | Microphone and intelligent sound equipment |
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| CN1886008A (en) * | 2005-06-23 | 2006-12-27 | 潍坊怡力达电声有限公司 | Silicon microphone with long sound channel |
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| CN202663538U (en) * | 2012-04-28 | 2013-01-09 | 歌尔声学股份有限公司 | Mems microphone |
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| CN203748006U (en) * | 2014-03-26 | 2014-07-30 | 山东共达电声股份有限公司 | MEMS microphone |
| CN206181372U (en) * | 2016-11-23 | 2017-05-17 | 上海传英信息技术有限公司 | Mouthpiece structure and mobile terminal |
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|---|---|---|---|---|
| CN1886008A (en) * | 2005-06-23 | 2006-12-27 | 潍坊怡力达电声有限公司 | Silicon microphone with long sound channel |
| TWI284483B (en) * | 2006-01-17 | 2007-07-21 | Lingsen Precision Ind Ltd | Acoustic head structure of microphone |
| CN200994191Y (en) * | 2006-12-19 | 2007-12-19 | 瑞声声学科技(深圳)有限公司 | MEMS microphone packaging structure |
| CN103533493A (en) * | 2010-09-03 | 2014-01-22 | 歌尔声学股份有限公司 | Silicon microphone, and packaging structure of application product |
| CN202663538U (en) * | 2012-04-28 | 2013-01-09 | 歌尔声学股份有限公司 | Mems microphone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889967A (en) * | 2019-03-28 | 2019-06-14 | 百度在线网络技术（北京）有限公司 | Microphone and intelligent sound equipment |
| US11496841B2 (en) | 2019-03-28 | 2022-11-08 | Baidu Online Network Technology (Beijing) Co., Ltd. | Microphone, and intelligent voice device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106412783B (en) | 2022-04-12 |
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