CN206341399U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN206341399U CN206341399U CN201621181508.7U CN201621181508U CN206341399U CN 206341399 U CN206341399 U CN 206341399U CN 201621181508 U CN201621181508 U CN 201621181508U CN 206341399 U CN206341399 U CN 206341399U
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- CN
- China
- Prior art keywords
- sound
- microphone device
- casing
- wall
- baffle plate
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of microphone device, including the loudspeaker monomer for having the casing of receiving space and being placed in the receiving space, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding, the vibrating diaphragm forms the preceding operatic tunes with the casing interval setting, the loudspeaker enclosure also includes connecting the preceding operatic tunes and extraneous sound channel, the casing includes extending to multiple staggeredly spaced baffle plates in the sound channel, and one of them in the two neighboring baffle plate offers through hole.Compared with correlation technique, the sense of hearing of microphone device of the present utility model is preferable.
Description
Technical field
The utility model is related to a kind of microphone device, more particularly to a kind of microphone device being used in electronic installation.
Background technology
As electric consumers are thinned increasingly, such as mobile phone, the sound of the audio amplifier of panel computer portable electric appts
Cavity configuration is gradually changed into side by the just mode of speaking and spoken mode.
The loudspeaker list that the microphone device of correlation technique includes the casing of tool receiving space and is placed in the receiving space
Body, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding, and the casing surrounds ante-chamber, the casing bag with the vibrating diaphragm
Bottom wall and the side wall extended from the bottom wall are included, the microphone device is provided with the sound channel set through the side wall, described
Sound channel is connected with the ante-chamber.
However, due to ante-chamber resonance, radio-frequency component and high-frequency noise can be amplified, or due to high frequency frequency response or high-frequency cacophony
Than it is larger when, sense of hearing can be had a strong impact on.
Solved the above problems therefore, it is necessary to provide a kind of new microphone device.
Utility model content
The utility model technical issues that need to address are to provide a kind of preferable microphone device of sense of hearing.
In order to solve the above technical problems, the utility model provides a kind of microphone device, including tool receiving space casing and
The loudspeaker monomer being placed in the receiving space, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding, the vibrating diaphragm
The preceding operatic tunes is formed with the casing interval setting, the loudspeaker enclosure also includes connecting the preceding operatic tunes and the sound that goes out in the external world leads to
Road, the casing includes extending to multiple staggeredly spaced baffle plates, the two neighboring baffle plate in the sound channel
In one of them offer through hole.
Preferably, the interior inwall for forming the encirclement sound channel of the casing, the inwall both ends open, one end is formed
The connected entrance connected with the preceding operatic tunes, the other end goes out sound through the casing formation connection sound channel with extraneous
Mouthful, the baffle plate interlocks from the inwall towards offside respectively is spaced extension.
Preferably, the inwall include it is parallel with the vibrating diaphragm go out sound bottom wall, from it is described go out sound bottom wall two ends it is curved in the same direction
What folding was formed go out sound side wall and with it is described go out the cover plate that connects of sound side wall lid, it is described go out sound bottom wall with it is described go out sound side wall formed
Openend, the cover plate covers the openend and with going out sound side wall and to go out sound bottom wall and surround the sound channel, institute with described
Baffle plate is stated perpendicular to the cover plate and is abutted with the cover plate.
Preferably, the distance between adjacent described baffle plate is identical.
Preferably, the sound mouth and the connected entrance are just right, the baffle plate from it is described go out sound side wall and/or it is described go out sound
Bottom wall is extended vertically and parallel to the direction of vibration of the vibrating diaphragm.
Preferably, the sound mouth and the connected entrance stagger settings, the inwall also include separating the preceding operatic tunes and
First connection wall of the sound channel and along it is described go out sound side wall away from the preceding operatic tunes side extension second connection
Wall, second connection wall is parallel with first connection wall and part is just right, and the connected entrance is opened in first connection
On wall, the sound mouth is opened in second connection wall.
Preferably, the baffle plate is extended vertically along first connection wall with second connection wall respectively, and positioned at institute
State the facing portion point of the first connection wall and second connection wall.
Preferably, the baffle plate is arranged in parallel.
Preferably, the spacing between the two neighboring through hole is identical.
Compared with correlation technique, during using microphone device of the present utility model, respectively from the passage and the connected entrance
The acoustic phase with λ wavelength passed through differs 180 °, so as to reach the selective soundproof effect to multiple frequency ranges.It is simultaneously this
Structure can partly increase the length of the preceding sound channel, can partly increase acoustic resistance, can also increase to radio-frequency component
And the assimilation effect of noise.Therefore, microphone device of the present utility model has preferable sense of hearing.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the microphone device of first embodiment of the present utility model;
Fig. 2 is the dimensional decomposition structure diagram of microphone device shown in Fig. 1;
Fig. 3 is the dimensional structure diagram that microphone device omits cover plate shown in Fig. 1;
Fig. 4 is the sectional view of microphone device shown in Fig. 1;
Fig. 5 omits the dimensional structure diagram of cover plate for the microphone device of second embodiment of the present utility model.
Embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Fig. 1 to Fig. 4 is referred to, microphone device 100 includes the casing 10 of tool receiving space and is placed in the receiving space
Loudspeaker monomer 20.The casing 10 includes upper casing 11 and the lower casing 13 engaged with the upper casing 11, the upper casing 11 and institute
State lower casing 13 and surround the receiving space jointly.The loudspeaker monomer 20 includes the vibrating diaphragm 21 for vibration sounding, described to shake
The operatic tunes 110 before being formed between film 21 and the upper casing 11.
The casing 10 also includes connecting the preceding operatic tunes 110 and extraneous sound channel 30.The shape of sound channel 30
Into in the receiving space in the casing 10.The inwall 31 for surrounding the sound channel 30 is formed in the casing 10, it is described interior
The both ends open of wall 31, one end forms the connected entrance 310 connected with the preceding operatic tunes 110, and the other end is formed through the casing 10
The sound channel 30 and extraneous sound mouth 312 are connected, the sound mouth 312 is just to the connected entrance 310.The inwall 31
Including go out sound bottom wall 311, along go out sound bottom wall 311 in the same direction bending extension go out sound side wall 313 and with the side wall 311 lid connect
Cover plate 314, go out sound bottom wall 311 and go out sound side wall 313 formation openend, cover plate 314 cover the openend.The cover plate 314
Go out sound bottom wall 311 and to go out sound side wall 313 and surround the sound channel 30 with described.
The casing 10 also includes the multiple baffle plates 50 being placed in the sound channel 30.The baffle plate 50 is respectively from described
The side wall 311 of inwall 31 is extended vertically towards offside, and it extends perpendicularly to the bearing of trend of the preceding operatic tunes 110, and
Gap is preset with the offside, the gap forms passage.Multiple intervals of baffle plate 50, which are staggered, to be set and is parallel to each other, adjacent institute
State that the distance between baffle plate 50 is identical, and one of them in the two neighboring baffle plate 50 offers multiple through holes 51, and phase
The distance between adjacent two through holes 51 are equal.Each baffle plate 50 is supported perpendicular to the cover plate 314 and with the cover plate 314
Connect.
The utility model also provides the microphone device 200 of second embodiment, and it includes casing 40 and loudspeaker monomer (figure
Do not show), casing 40 includes sound channel 70 and multiple baffle plates 80 in sound channel 70, its structure and first embodiment
Microphone device 100 it is substantially similar, difference is:
The sound mouth 712 and the connected entrance 710 stagger settings, and the inwall 71 also includes the separation preceding operatic tunes
First connection wall 713 of (figure do not mark) and the sound channel 70 and along it is described go out sound side wall 711 away from the preceding operatic tunes
Side extension the second connection wall 715, second connection wall 715 it is parallel with first connection wall 713 and partly just right, institute
State connected entrance 710 to be opened in first connection wall 713, the sound mouth 712 is opened in second connection wall 715.
The baffle plate 80 is extended vertically along first connection wall 713 with second connection wall 715 respectively, and is connected positioned at described first
Connect wall 713 and the facing portion point of second connection wall 715.
If λ is wavelength, f is frequency, and c is the meter per second of the velocity of sound 340, and n is natural number, and y1 is that the channel edge leads to described
The distance in hole 51,81, λ f=c, as 2*y1=λ/2* (2n+1), for being passed through respectively from the passage and the through hole 51,81
The acoustic phase with λ wavelength crossed differs 180 °, so as to reach the selective soundproof effect to multiple frequency ranges.While this knot
Structure can partly increase the length of the preceding sound channel 30, can partly increase acoustic resistance, can also increase to radio-frequency component
And the assimilation effect of noise.Normally due to survey pronunciation box sizes are limited, and low-frequency sound wave is very long, therefore this soundproof effect
The groundwork frequency range such as low frequency will not be produced a very large impact.Therefore, high-frequency resonant can optionally be reduced using the structure
Peak and other radio-frequency components, reaching improves the effect of audition.
The microphone device of one end open is compared using the structure of the utility model embodiment, selective absorbing can be increased
Band limits, can increase to each frequency range acoustically effective.Multiple baffle plates 50,80 are compared to the knot for only setting a baffle plate
Structure, because multiple baffle plates 50,80 can absorb repeatedly, can increase acoustically effective.
It is appreciated that the baffle plate 50,80 shapes, quantity and bearing of trend are unrestricted, such as or circular plate-like shape, can
For three, four or other quantity, it is arranged on as long as staggering in sound channel 30,70, and its in two neighboring baffle plate 50,80
In offer through hole 51,81 on a baffle plate 50,80.The quantity of the through hole 51,81, shape and spacing distance are also unlimited
System, such as can be square, oval, triangle.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (9)
1. a kind of microphone device, includes the casing and the loudspeaker monomer being placed in the receiving space of tool receiving space, described
Loudspeaker monomer includes the vibrating diaphragm for vibration sounding, and the vibrating diaphragm forms the preceding operatic tunes with the casing interval setting, described to raise
Sound device case also includes connecting the preceding operatic tunes and extraneous sound channel, it is characterised in that:The casing is described including extending to
One of them in multiple staggeredly spaced baffle plates in sound channel, the two neighboring baffle plate offers through hole.
2. microphone device according to claim 1, it is characterised in that formed in the casing and surround the sound channel
Inwall, the inwall both ends open, one end forms the connected entrance connected with the preceding operatic tunes, and the other end is formed through the casing
The sound channel and extraneous sound mouth are connected, the baffle plate is staggered and is spaced from the inwall towards offside respectively to be prolonged
Stretch.
3. microphone device according to claim 2, it is characterised in that the inwall goes out sound including parallel with the vibrating diaphragm
Bottom wall, from it is described go out sound bottom wall two ends be bent to form in the same direction go out sound side wall and with it is described go out the cover plate that connects of sound side wall lid, institute
State out sound bottom wall with it is described go out sound side wall formation openend, the cover plate covers the openend and goes out sound side wall and to go out with described
Sound bottom wall surrounds the sound channel, and the baffle plate is abutted perpendicular to the cover plate and with the cover plate.
4. microphone device according to claim 3, it is characterised in that the distance between adjacent described baffle plate is identical.
5. microphone device according to claim 4, it is characterised in that the sound mouth is just right with the connected entrance, described
Baffle plate from it is described go out sound side wall and/or it is described go out sound bottom wall extend vertically and parallel to the direction of vibration of the vibrating diaphragm.
6. microphone device according to claim 3, it is characterised in that the sound mouth and the connected entrance stagger setting,
The inwall also include separating the preceding operatic tunes and the sound channel the first connection wall and along it is described go out sound side wall it is remote
The preceding operatic tunes side extension the second connection wall, second connection wall it is parallel with first connection wall and partly just
Right, the connected entrance is opened in first connection wall, and the sound mouth is opened in second connection wall.
7. microphone device according to claim 6, it is characterised in that the baffle plate is respectively along first connection wall and institute
The second connection wall is stated to extend vertically, and positioned at the facing portion point of first connection wall and second connection wall.
8. the microphone device according to claim any one of 1-7, it is characterised in that the baffle plate is arranged in parallel.
9. microphone device according to claim 8, it is characterised in that between the multiple two neighboring through hole
Away from identical.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621181508.7U CN206341399U (en) | 2016-10-27 | 2016-10-27 | Microphone device |
US15/417,053 US10034080B2 (en) | 2016-10-27 | 2017-01-26 | Speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621181508.7U CN206341399U (en) | 2016-10-27 | 2016-10-27 | Microphone device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206341399U true CN206341399U (en) | 2017-07-18 |
Family
ID=59299271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621181508.7U Expired - Fee Related CN206341399U (en) | 2016-10-27 | 2016-10-27 | Microphone device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206341399U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114449382A (en) * | 2020-11-04 | 2022-05-06 | 捷普电子(新加坡)公司 | Loudspeaker device |
WO2022266843A1 (en) * | 2021-06-22 | 2022-12-29 | 海能达通信股份有限公司 | Loudspeaker module and electronic device |
-
2016
- 2016-10-27 CN CN201621181508.7U patent/CN206341399U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114449382A (en) * | 2020-11-04 | 2022-05-06 | 捷普电子(新加坡)公司 | Loudspeaker device |
WO2022266843A1 (en) * | 2021-06-22 | 2022-12-29 | 海能达通信股份有限公司 | Loudspeaker module and electronic device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20211027 |
|
CF01 | Termination of patent right due to non-payment of annual fee |