CN201869334U - Microphone module - Google Patents
Microphone module Download PDFInfo
- Publication number
- CN201869334U CN201869334U CN2010206623408U CN201020662340U CN201869334U CN 201869334 U CN201869334 U CN 201869334U CN 2010206623408 U CN2010206623408 U CN 2010206623408U CN 201020662340 U CN201020662340 U CN 201020662340U CN 201869334 U CN201869334 U CN 201869334U
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- Prior art keywords
- sound
- sound hole
- microphone
- external member
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- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 claims description 7
- 230000005236 sound signal Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
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Abstract
The utility model discloses a microphone module, which comprises a microphone unit and a case hermetically fixed on the outside of the microphone unit, and the microphone unit is a unidirectional microphone; the case is provided with sound inlets which correspond to sound holes of both ends of the microphone unit, and is provided with at least one sound passage for transmitting the sound signals generated by a sound source to the sound inlets; the case comprises a primary end, a secondary end and a side, the sound inlets include a primary sound inlet and a secondary sound inlet, the primary sound inlet is arranged on the main end, and the secondary sound inlet is arranged on the secondary end; and the distance from the primary sound inlet to the secondary sound inlet via the sound passage is less than the distance from the primary sound inlet to the secondary sound inlet via the periphery of the microphone module. The design disclosed by the utility model reduces the difference of the performance of the microphone unit mounted in a system, and decreases the requirement on the performance of the microphone unit.
Description
Technical field
The utility model relates to microphone module technical field.
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. 4 is a kind of uni-directional microphone module of existing structure, comprise external member 1 ' and single microphone unit 2 that points to, be respectively equipped with the main sound hole 11 ' and time sound hole 12 ' in sound hole, corresponding microphone unit 2 two ends at the two ends of external member 1 ', the voice signal that sound source S produces is delivered in main sound hole 11 ' and time sound hole 12 ' by P11 and P21 two voice paths.
The microphone module design of this traditional structure, need walk around the microphone module owing to arrive the voice signal of time sound hole 12 ', increased the path difference that voice signal arrives main sound hole 11 ' and time sound hole 12 ', thus cause the performance of microphone monomer and the ideal performance gap that is assembled in the system such as external member bigger; The performance that generally needs in the actual production to improve the microphone monomer remedies.
So, be necessary the microphone module of said structure is further improved, to avoid above-mentioned defective.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of microphone module is provided, can reduces system's path difference, reduce the difference that microphone unit is assembled to performance generation in the system, reduce the performance requirement to microphone unit.
For solving the problems of the technologies described above, the technical solution of the utility model is: the microphone module, comprise microphone unit and the external member that is sealingly fastened in described microphone unit outside, and described microphone unit is a uni-directional microphone; Described external member is provided with the sound hole in sound hole, corresponding described microphone unit two ends, is provided with the sound channel that at least one is used for the voice signal that sound source produces is sent to described sound hole on described external member.
As a kind of optimized technical scheme, described external member comprises main end, inferior end and sidepiece, and described sound hole comprises main sound hole and time sound hole, and described main sound hole is located on the described main end, and described sound hole is located on described end.
As a kind of optimized technical scheme, described main sound hole through described sound channel to the distance of described sound hole distance less than described main sound hole thoughtful described sound hole outside the microphone module.
As a kind of optimized technical scheme, be provided with first sound channel of one one end opening and other end sealing in the inferior end of described external member along its direction of extension, described time sound hole is communicated between the sound hole of described first sound channel and described microphone unit.
As a kind of optimized technical scheme, be provided with second sound channel of one one end opening and other end sealing in the main end of described external member along its direction of extension, described main sound hole is communicated between the sound hole of described second sound channel and described microphone unit.
As another kind of optimized technical scheme, in the sidepiece of described external member, be provided with one the 3rd sound channel, the two ends of described the 3rd sound channel connect the main end and time end of described external member.
As a kind of optimized technical scheme, described external member comprises internal member, is provided with package assembly outside described internal member.
After having adopted technique scheme, the beneficial effects of the utility model are: because in the prior art, voice signal need be walked around microphone module periphery and arrive time sound hole, increased the path difference that voice signal arrives main sound hole and time sound hole, thus cause the performance of microphone monomer and the ideal performance gap that is assembled in the system such as external member bigger.Compared with prior art, the utility model is provided with at least one sound channel that is used for the voice signal that sound source produces is sent to sound hole on external member, make voice signal arrive path difference between main sound hole and the inferior sound hole less than it is walked around microphone module periphery and arrives path difference between main sound hole and the inferior sound hole in the prior art.This design of the present utility model has reduced microphone unit and has been assembled to the difference that performance produces in the system, reduces the performance requirement to microphone unit.
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 one microphone module;
Fig. 2 is the cutaway view of the utility model embodiment two microphone modules;
Fig. 3 is the cutaway view of the utility model embodiment three microphone modules;
Fig. 4 is the cutaway view of the microphone module of prior art.
Among the figure: 1 '. external member, 11 '. main sound hole, 12 '. inferior sound hole, 1. external member, 11. main sound holes, 12. sound holes, 13a. first sound channel, 13b. second sound channel, 13c. the 3rd sound channel, 14. main end, 15. inferior end, 16. sidepieces, 2. uni-directional microphone unit, S. sound source, P11, P12, P13, P14, P21, P22, P23, P24. voice path.
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.
Embodiment one
As shown in Figure 1, a kind of microphone module, the external member 1 that it comprises microphone unit 2 and is sealingly fastened in microphone unit 2 outsides, wherein, microphone unit 2 adopts uni-directional microphone (its structure is a known technology, is not repeated at this); External member 1 comprises internal member and is located at the package assembly of internal member outside, internal member employing gum cover, and package assembly adopts working of plastics, and internal member is combined closely microphone unit 2 and package assembly.
Described external member 1 comprises main end 14, inferior end 15 and sidepiece 16, external member 1 is provided with the sound hole in sound hole, corresponding microphone unit 2 two ends, this sound hole comprises main sound hole 11 and time sound hole 12, and main sound hole 11 is located on the main end 14, and inferior sound hole 12 is located on time end 15.
On external member 1, be provided with the sound channel that at least one is used for the voice signal that sound source produces is sent to sound hole, main sound hole 11 through this sound channel to the distance of time sound hole 12 distance less than main sound hole 11 thoughtful sound hole 12 outside the microphone module.Only be provided with a sound channel in the present embodiment on the external member 1, it is one one end opening being provided with along its direction of extension in the inferior end 15 of external member 1 and the first sound channel 13a of other end sealing, and inferior sound hole 12 is communicated between the hole of this first sound channel 13a and microphone unit.The voice signal that sound source S produces enters time sound hole 12 by this first sound channel 13a.
When in practical application, a part of voice signal that outside sound source S produces is delivered to main sound hole 11 by the P12 path, and another part voice signal passes the first sound channel 13a and is delivered to time sound hole 12 by path P 22.Voice signal need be walked around microphone module periphery and arrive time sound hole 12 in the prior art, this design of this implementation process can reduce the path difference that voice signal arrives main sound hole and time sound hole, reduce the difference that microphone unit is assembled into performance behind the modular structure, can reduce performance requirement the microphone monomer.
Embodiment two
A kind of microphone module as shown in Figure 2, the difference of present embodiment and embodiment one is: external member 1 is provided with two sound channels, main sound hole 11 through two sound channels to the distance of time sound hole 12 distance less than main sound hole 11 thoughtful sound hole 12 outside the microphone module.Two sound channels comprise the first sound channel 13a among the embodiment one, and the second sound channel 13b of one one end opening that in the main end 14 of external member 1, is provided with along its direction of extension and other end sealing, main sound hole 11 is communicated between the hole of this second sound channel 13b and microphone unit.The voice signal part that sound source S produces is passed the first sound channel 13a and is entered time sound hole 12 by the P23 path; Another part passes the second sound channel 13b and enters main sound hole 11 by the P13 path.
This design of this implementation process can reach equally and reduce the purpose that voice signal arrives the path difference of main sound hole and time sound hole, realize the technique effect among the embodiment one, and can satisfy more needs of production according to producing the actual position of coming the design acoustic passage.
Embodiment three
A kind of microphone module as shown in Figure 3, the difference of present embodiment and embodiment one, embodiment two is: external member 1 is provided with a sound channel, main sound hole 11 through this sound channel to the distance of time sound hole 12 distance less than main sound hole 11 thoughtful sound hole 12 outside the microphone module, this sound channel is one the 3rd sound channel 13c that is provided with in the sidepiece 16 of external member 1, and the two ends of the 3rd sound channel 13c connect the main end 14 and time end 15 of external member 1.A part of voice signal that sound source S produces is delivered to main sound hole 11 by the P14 path; Another part voice signal passes the 3rd sound channel 13c and enters time sound hole 12 by the P24 path.Voice signal is walked around the module periphery and is delivered to time sound hole in the prior art, can realize reducing the technique effect of path difference between main sound hole and the inferior sound hole equally.
In this implementation process, the preferred silicon materials of gum cover, working of plastics is generally silica gel material; Sound channel also can be done other position that can realize constructed effect and structural designs, 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 (8)
1. the microphone module comprises microphone unit and the external member that is sealingly fastened in described microphone unit outside, and described microphone unit is a uni-directional microphone; Described external member is provided with the sound hole in sound hole, corresponding described microphone unit two ends, it is characterized in that: be provided with the sound channel that at least one is used for the voice signal that sound source produces is sent to described sound hole on described external member.
2. microphone module as claimed in claim 1, it is characterized in that: described external member comprises main end, inferior end and sidepiece, described sound hole comprises main sound hole and time sound hole, and described main sound hole is located on the described main end, and described sound hole is located on described end.
3. microphone module as claimed in claim 2 is characterized in that: described main sound hole through described sound channel to the distance of described sound hole distance less than described main sound hole thoughtful described sound hole outside the microphone module.
4. microphone module as claimed in claim 3, it is characterized in that: be provided with first sound channel of one one end opening and other end sealing in the inferior end of described external member along its direction of extension, described time sound hole is communicated between the sound hole of described first sound channel and described microphone unit.
5. microphone module as claimed in claim 4, it is characterized in that: be provided with second sound channel of one one end opening and other end sealing in the main end of described external member along its direction of extension, described main sound hole is communicated between the sound hole of described second sound channel and described microphone unit.
6. microphone module as claimed in claim 3 is characterized in that: be provided with one the 3rd sound channel in the sidepiece of described external member, the two ends of described the 3rd sound channel connect the main end and time end of described external member.
7. as the described microphone module of the arbitrary claim of claim 1 to 6, it is characterized in that: described external member comprises internal member.
8. microphone module as claimed in claim 7 is characterized in that: be provided with package assembly outside described internal member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206623408U CN201869334U (en) | 2010-12-04 | 2010-12-04 | Microphone module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206623408U CN201869334U (en) | 2010-12-04 | 2010-12-04 | Microphone module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201869334U true CN201869334U (en) | 2011-06-15 |
Family
ID=44140476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206623408U Expired - Lifetime CN201869334U (en) | 2010-12-04 | 2010-12-04 | Microphone module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201869334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352600A (en) * | 2018-02-06 | 2019-10-18 | 雅马哈株式会社 | Audio device |
| CN110611851A (en) * | 2019-10-25 | 2019-12-24 | 歌尔科技有限公司 | Single-directional microphone |
-
2010
- 2010-12-04 CN CN2010206623408U patent/CN201869334U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352600A (en) * | 2018-02-06 | 2019-10-18 | 雅马哈株式会社 | Audio device |
| CN111630875A (en) * | 2018-02-06 | 2020-09-04 | 雅马哈株式会社 | Vehicle-mounted audio device |
| CN110352600B (en) * | 2018-02-06 | 2020-12-25 | 雅马哈株式会社 | Sound equipment |
| 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 |
|---|---|---|---|
| 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. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200618 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110615 |