CN201869332U - Microphone module and microphone array constituted by microphone modules - Google Patents
Microphone module and microphone array constituted by microphone modules Download PDFInfo
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- CN201869332U CN201869332U CN2010206514519U CN201020651451U CN201869332U CN 201869332 U CN201869332 U CN 201869332U CN 2010206514519 U CN2010206514519 U CN 2010206514519U CN 201020651451 U CN201020651451 U CN 201020651451U CN 201869332 U CN201869332 U CN 201869332U
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Abstract
The utility model discloses a microphone module which comprises a microphone unit and an outer sleeve part for sealing and fixing the microphone unit, wherein sound entering holes are arranged in the microphone unit, a plurality of sound inlet holes are arranged in one side of the outer sleeve part, corresponding to the sound entering hole, and the plurality of the sound inlet holes are distributed in the shape of a grate. The microphone unit is a unidirectional microphone, and the main sound inlet hole and the secondary sound inlet hole which are arranged on the outer sleeve part corresponding to the main sound entering hole and the secondary sound entering hole of the microphone unit run through and are connected through an internal channel of the microphone module. The utility model further discloses a microphone array constituted by the microphone modules, which comprises a plurality of the microphone modules that are connected in parallel. By implementing the technical scheme of the utility model, the impacts of the structure of the microphone module on high frequency performance of a system can be reduced, the performance of the microphone module can be improved and the requirements on the performance of the microphone unit can be reduced.
Description
Technical field
The microphone array that the utility model relates to the microphone module and is made of the microphone module.
Background technology
Continuous increase along with electronic product markets such as mobile phone, notebook, hearing aidss, to mini microphone, when particularly the miniature capacitance type microphone demand constantly increases, performance to the mini microphone module is also had higher requirement, in actual production, the mini microphone unit generally need be provided with external members such as gum cover in the periphery of microphone when using, to reach sealing, shockproof and elimination noise echo, promote the sound signal processing usefulness of microphone.
Fig. 5 is a kind of miniature capacitance type microphone module of existing structure, comprise microphone unit 3, with the internal member and the package assembly that form by gum cover 2 and outer plastic shell 1, wherein microphone unit 3 is that uni-directional microphone is (known, comprise main tone-entering hole and time tone-entering hole), on gum cover 2 and plastic casing 1, be respectively arranged with the sound hole that is communicated with uni-directional microphone unit 3, the voice signal part that sound source S produces is delivered to the main tone-entering hole of microphone unit 3 by the P1 path, and another part is delivered to the top time tone-entering hole of microphone unit 3 by the P2 path.The microphone module of this traditional structure, voice signal produces the voice signal scattering on the surface of external member easily, while another part voice signal need be walked around the microphone module and just can be delivered in time tone-entering hole, thereby cause the high frequency curve influence to the microphone module, the more high performance microphone unit of needs remedies the defective on this performance.
So, be necessary the microphone module of said structure is further improved, to avoid above-mentioned defective.
Summary of the invention
The microphone array that technical problem to be solved in the utility model provides a kind of microphone module and is made of above-mentioned microphone module, can reduce the microphone modular structure to the system high-frequency Effect on Performance, improve the performance of microphone module, reduce performance requirement microphone unit.
For solving the problems of the technologies described above, the technical solution of the utility model is: the microphone module, the package assembly that comprises microphone unit and the described microphone unit of sealing and fixing, described microphone unit is provided with tone-entering hole, one side of the corresponding described tone-entering hole of described package assembly is provided with several sound holes, and described several sound holes are grid shape and distribute.
As a kind of optimized technical scheme, described microphone unit is a uni-directional microphone, the tone-entering hole that is provided with on the described microphone unit comprises main tone-entering hole and time tone-entering hole that is arranged at relative both sides, some sound holes of one side setting of the corresponding described main tone-entering hole of described package assembly are main sound hole, described main sound hole is grid shape and distributes, and some sound holes that a side of corresponding described the tone-entering hole of described package assembly is provided with are time sound hole.
As a kind of optimized technical scheme, described sound hole is grid shape and distributes, and described main sound hole is connected with the inner passage perforation by the microphone module of described sound hole.
As a kind of optimized technical scheme, the outer cover of described microphone unit is provided with internal member, described internal member is combined closely described microphone unit and described package assembly, and the main tone-entering hole and time tone-entering hole of the corresponding microphone unit of described internal member offer two through holes.
As a kind of optimized technical scheme, form the inner passage of described microphone module between the outer surface of described internal member and the inner surface of described package assembly, described inner passage connects and connects described main sound hole and described sound hole.
By the microphone array that above-mentioned microphone module constitutes, comprise parallel several described microphone modules that connect.
As a kind of optimized technical scheme, the package assembly of described several microphone modules is made as integral structure.
As a kind of optimized technical scheme, described microphone array comprises parallel four microphone modules that connect.
After having adopted technique scheme, the beneficial effects of the utility model are: because microphone module of the present utility model reaches the microphone array that is made of the microphone module, one side of the corresponding microphone unit tone-entering hole of its package assembly is provided with several sound holes, and described several sound holes are grid shape in the corresponding tone-entering hole side of package assembly and distribute.And microphone unit preferentially adopts uni-directional microphone, the main tone-entering hole of the corresponding microphone unit of package assembly and time tone-entering hole are provided with respectively and are main sound hole and time sound hole that grid shape distributes, inner passage perforation by the microphone module is connected main sound hole with time sound hole, and this inner passage is made of the gap between internal member and the package assembly.Adopt said structure, reduced the microphone modular structure, improve the performance of microphone module, reduce performance requirement microphone unit to the system high-frequency Effect on Performance.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the cutaway view of the utility model embodiment microphone module;
Fig. 2 is the vertical view of the utility model embodiment microphone module;
Fig. 3 is that the voice signal of the utility model embodiment microphone module receives schematic diagram;
The vertical view of Fig. 4 microphone array that to be the utility model embodiment be made of the microphone module;
Fig. 5 is the cutaway view of the microphone module of prior art.
Among the figure: 1. package assembly, 11. main sound holes, 12. sound holes, 2. internal member, 21. through holes, 3. microphone unit, 4. inner passage, S. sound source, P1. voice path, P2. voice path, P3. voice path, the 1a. first microphone module, the 1b. second microphone module, 1c. the 3rd microphone module, 1d. the 4th microphone module.
Embodiment
In the following description, only the mode by explanation is described some one exemplary embodiment of the present utility model, undoubtedly, those of ordinary skill in the art can recognize, under the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing and be described in just illustratively in essence rather than is used to limit the protection range of claim.In addition, in this manual, identical Reference numeral indicates identical part.
As depicted in figs. 1 and 2, a kind of microphone module, be square structure, it comprises the package assembly 1 of microphone unit 3 and sealing and fixing microphone unit 3, this package assembly 1 adopts plastic casing, outside at microphone unit 3 also is arranged with internal member 2, and this internal member 2 adopts gum cover, and described internal member 2 is combined closely microphone unit 3 and package assembly 1.Microphone unit 3 is provided with tone-entering hole, and the tone-entering hole of described internal member 2 corresponding microphone units offers through hole.One side of the tone-entering hole of package assembly 1 corresponding microphone unit is provided with several sound holes, and sound hole is strip, and these several sound holes are grid shape in the corresponding tone-entering hole side of package assembly and distribute.
Preferably, microphone unit 3 adopts uni-directional microphone, and the tone-entering hole that is provided with on the microphone unit 3 comprises main tone-entering hole and time tone-entering hole that is arranged at relative both sides, and the main tone-entering hole of internal member 2 corresponding microphone units and time tone-entering hole offer two through holes 21; Some sound holes of one side setting of package assembly 1 corresponding main tone-entering hole are main sound hole 11, and some sound holes that a side of 1 corresponding tone-entering hole of package assembly is provided with are time sound hole 12.Main sound hole 11 and time sound hole 12 are strip, relative both sides all are the distribution of grid shape on package assembly 1, adopt this design, can reduce the sound reflection on microphone module sound hole surface, reduce modular structure to Effect on Performance such as microphone high frequency curves, reduced performance requirement microphone unit.
In the modular structure of the microphone unit of single direction structure that the present embodiment relates to, preferably, form the inner passage 4 of microphone module between the inner surface of the outer surface of internal member 2 and package assembly 1, main sound hole 11 connects by this inner passage 4 with time sound hole 12 and is connected.Said structure can further improve the performance of uni-directional microphone module.As shown in Figure 3, the voice signal part that outside sound source S produces is by path P 1, pass main sound hole 11 successively, through hole 21 is delivered in the main tone-entering hole of uni-directional microphone unit, another part voice signal is by path P 2, see through main sound hole 11, inner passage 4, inferior sound hole 12 is delivered in the inferior tone-entering hole of microphone unit, some voice signal is walked around in the inferior tone-entering hole that the microphone module is delivered to microphone unit by the P3 approach, voice signal can only be walked around in the inferior tone-entering hole that the microphone module is delivered to microphone unit by P 3 approach in the prior art, the utility model is when realizing reducing the module system acoustic reflection, improved the propagation path of sound, strengthen the directive property of uni-directional microphone unit, improved module performance.
As shown in Figure 4, a kind of microphone array that constitutes by above-mentioned microphone module, it comprises parallel several above-mentioned microphone modules that connect.Microphone array in the present embodiment is by four microphone modules: the first microphone module 1a, the second microphone module 1b, the 3rd microphone module 1c, the 4th microphone module 1d walk abreast and connect and compose, wherein, the package assembly 1 of described several microphone modules is made as integral structure.Use the microphone array that above-mentioned a plurality of microphone module constitutes in this implementation process, can realize equally improving microphone array high frequency curve and directive property, reach the technique effect of reduction the performance requirement of microphone unit.
In the utility model, single microphone unit that points to only is preferred microphone unit structure, and inferior sound hole is set to grid shape for preferred embodiment; The shape of sound hole and structure also can be set to other form, the neither enforcement that influences the invention.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; and these improvement and distortion; all drop in the protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. microphone module, the package assembly that comprises microphone unit and the described microphone unit of sealing and fixing, described microphone unit is provided with tone-entering hole, it is characterized in that: a side of the corresponding described tone-entering hole of described package assembly is provided with several sound holes, and described several sound holes are grid shape and distribute.
2. microphone module as claimed in claim 1 is characterized in that: described sound hole is a strip.
3. microphone module as claimed in claim 1, it is characterized in that: described microphone unit is a uni-directional microphone, the tone-entering hole that is provided with on the described microphone unit comprises main tone-entering hole and time tone-entering hole that is arranged at relative both sides, some sound holes of one side setting of the corresponding described main tone-entering hole of described package assembly are main sound hole, described main sound hole is grid shape and distributes, and some sound holes that a side of corresponding described the tone-entering hole of described package assembly is provided with are time sound hole.
4. microphone module as claimed in claim 3 is characterized in that: described sound hole is grid shape and distributes, and described main sound hole is connected with the inner passage perforation by the microphone module of described sound hole.
5. microphone module as claimed in claim 4, it is characterized in that: the outer cover of described microphone unit is provided with internal member, described internal member is combined closely described microphone unit and described package assembly, and the main tone-entering hole and time tone-entering hole of the corresponding microphone unit of described internal member offer two through holes.
6. microphone module as claimed in claim 5, it is characterized in that: form the inner passage of described microphone module between the outer surface of described internal member and the inner surface of described package assembly, described inner passage connects and connects described main sound hole and described sound hole.
7. microphone module as claimed in claim 1 is characterized in that: described microphone module is square.
8. the microphone array that is made of the described microphone module of the arbitrary claim of claim 1 to 7 is characterized in that: comprise parallel several described microphone modules that connect.
9. the microphone array that is made of the microphone module as claimed in claim 8 is characterized in that: the package assembly of described several microphone modules is made as integral structure.
10. the microphone array that is made of the microphone module as claimed in claim 8 is characterized in that: described microphone array comprises parallel four microphone modules that connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206514519U CN201869332U (en) | 2010-11-27 | 2010-11-27 | Microphone module and microphone array constituted by microphone modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206514519U CN201869332U (en) | 2010-11-27 | 2010-11-27 | Microphone module and microphone array constituted by microphone modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201869332U true CN201869332U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206514519U Expired - Lifetime CN201869332U (en) | 2010-11-27 | 2010-11-27 | Microphone module and microphone array constituted by microphone modules |
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| Country | Link |
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| CN (1) | CN201869332U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108632694A (en) * | 2018-08-16 | 2018-10-09 | 歌尔科技有限公司 | A kind of electronic product for the microphone wind noise that decays |
| CN108769876A (en) * | 2018-08-01 | 2018-11-06 | 佛山市威耳听力技术有限公司 | Multidirectional sound pick up equipment |
| CN110611851A (en) * | 2019-10-25 | 2019-12-24 | 歌尔科技有限公司 | Single-directional microphone |
-
2010
- 2010-11-27 CN CN2010206514519U patent/CN201869332U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108769876A (en) * | 2018-08-01 | 2018-11-06 | 佛山市威耳听力技术有限公司 | Multidirectional sound pick up equipment |
| CN108632694A (en) * | 2018-08-16 | 2018-10-09 | 歌尔科技有限公司 | A kind of electronic product for the microphone wind noise that decays |
| CN108632694B (en) * | 2018-08-16 | 2024-04-02 | 歌尔科技有限公司 | Electronic product capable of attenuating microphone noise |
| CN110611851A (en) * | 2019-10-25 | 2019-12-24 | 歌尔科技有限公司 | Single-directional microphone |
| CN110611851B (en) * | 2019-10-25 | 2021-06-01 | 歌尔科技有限公司 | Single-directional microphone |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200617 Address after: 266104 room 103, 396 Songling Road, Laoshan District, Qingdao, Shandong Province Patentee after: Goer Microelectronics Co.,Ltd. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110615 |
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| CX01 | Expiry of patent term |