CN109451381A - A kind of microphone sealing structure - Google Patents
A kind of microphone sealing structure Download PDFInfo
- Publication number
- CN109451381A CN109451381A CN201811454810.9A CN201811454810A CN109451381A CN 109451381 A CN109451381 A CN 109451381A CN 201811454810 A CN201811454810 A CN 201811454810A CN 109451381 A CN109451381 A CN 109451381A
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- CN
- China
- Prior art keywords
- microphone
- sealing structure
- electronic equipment
- top shell
- structure according
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 241000237983 Trochidae Species 0.000 claims description 32
- 239000012528 membrane Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 241000209140 Triticum Species 0.000 claims description 3
- 235000021307 Triticum Nutrition 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
The invention discloses a kind of microphone sealing structures, are related to electro-acoustic product technical field, the encapsulating shell including built-in microphone, are provided with sound hole on encapsulating shell；The side that sound hole is arranged in encapsulating shell is fixed on an electronic device, and the groove of evacuation sound hole is provided on electronic equipment, and the periphery of the groove is equipped with water proof ring.The setting of the water proof ring, the part waterproofing grade with higher for assembling electronic equipment and encapsulating shell, is not easy microphone sound hole into water, to improve the waterproofing grade of microphone, ensure that the acoustical behavior of microphone；Meanwhile the encapsulating shell of built-in microphone being directly installed on to the mode of electronic equipment, the yield of producing line assembling is improved, is reduced costs.
Description
Technical field
The present invention relates to electro-acoustic product technical field more particularly to a kind of microphone sealing structures that waterproofing grade is high.
Background technique
With the development that the Science and Technology Day different moon is new, wearable electronic is increasingly valued by people and favors, wherein
Smart motion wrist-watch is as the most common wearable device, in occupation of the important market share.Relative to conventional wristwatch, intelligence is transported
Table of starting requires structural engineer to go to be bold in innovation using more extensive thinking in terms of personalized and technology sense, and creation meets
The product of customer profile's demand, in smart motion wrist-watch, MIC design requirement acoustics is higher and higher, and waterproof requirement is increasingly
Sternly, it and requires small and exquisite.
Summary of the invention
In view of the above deficiencies, the technical problems to be solved by the present invention are: providing a kind of microphone sealing structure, the sealing
Structure waterproofing grade with higher and good acoustical behavior, and it is easy to assembly, producing line assembles yield height, at low cost.
In order to solve the above technical problems, the technical scheme is that
A kind of microphone sealing structure is applied on electronic equipment, the encapsulating shell including built-in microphone, the encapsulating shell
On be provided with sound hole；The side that the sound hole is arranged in the encapsulating shell is installed on the electronic equipment, on the electronic equipment
It is provided with the groove for avoiding the sound hole, the periphery of the groove is equipped with water proof ring.
Preferred embodiment is that the encapsulating shell includes the top shell and closed plate snapped together, in the top shell described in receiving
The sound hole is arranged in the closed plate in microphone.
Preferred embodiment is that the closed plate is stainless steel plate, opens up multiple nanometer level microporous formation on the stainless steel plate
The sound hole.
Preferred embodiment is to be fitted with waterproof membrane on the outside of the sound hole.
Preferred embodiment is that there are gaps between the waterproof membrane and the bottom portion of groove.
Preferred embodiment is that the peripheral ring of the groove is equipped with mounting groove, and O shape water proof ring is arranged in the mounting groove.
Preferred embodiment is that the FPC being electrically connected with the microphone is additionally provided in the top shell, and the FPC is along top shell
Wall stretches out the top shell and is electrically connected with the electronic equipment.
Preferred embodiment is that the outer sheath of the microphone is equipped with gum cover, and the gum cover fills up the top shell internal cavities；And
The FPC and the closed plate set up separately at the gum cover both ends.
Preferred embodiment is that the two sides that the top shell is located at the closed plate end extend outward to form mounting plate, the installation
It is provided with threaded hole on plate, screw is set in the threaded hole；The top shell snapped together and closed plate are located at by the screw
Water proof ring and electronic equipment between closed plate and electronic equipment successively tighten together.
Preferred embodiment is that the electronic equipment is smartwatch or Intelligent bracelet.
After adopting the above technical scheme, the beneficial effects of the present invention are:
Due to microphone sealing structure of the invention, the encapsulating shell including built-in microphone is provided with sound on the encapsulating shell
Hole；The side that sound hole is arranged in encapsulating shell is fixed on an electronic device, and the groove of evacuation sound hole is provided on electronic equipment, groove
Periphery is equipped with water proof ring.The setting of the water proof ring, the position waterproofing grade with higher for assembling electronic equipment and encapsulating shell,
It is not easy sound hole into water, to improve the waterproofing grade of microphone, ensure that the acoustical behavior of microphone；Meanwhile it will be built-in
The encapsulating shell of microphone is directly installed on the mode of electronic equipment, also improves the yield of producing line assembling, reduces costs.
Since encapsulating shell includes the top shell and closed plate snapped together, microphone is accommodated in top shell, is arranged in closed plate
Sound hole；Convenient for assembling, producing line assembling yield is further improved.
Since closed plate is stainless steel plate, multiple nanometer level microporous formation sound holes are opened up on the stainless steel plate, nanoscale is micro-
Hole further improves waterproof performance.
Since there are gaps between waterproof membrane and bottom portion of groove；After assembling, waterproof membrane is not extruded, and is further ensured that
Microphone acoustic performance.
Since the outer sheath of microphone is equipped with gum cover, which fills up top shell internal cavities；And FPC and closed plate set up separately
Gum cover both ends；The lead-out mode of the FPC does not influence the sound performance out of microphone.
Since the two sides that top shell is located at closed plate end extend outward to form mounting plate, threaded hole, spiral shell are provided on mounting plate
Screw is set in pit；Waterproof of the screw by the top shell snapped together and closed plate, between closed plate and electronic equipment
Circle and electronic equipment successively tighten together；It is easy to assembly, improve producing line assembling yield.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of inventive microphone sealing structure；
Fig. 2 is the explosive view of Fig. 1；
The sectional view of Fig. 3 inventive microphone sealing structure；
In figure: 1- lower casing, 10- threaded post, 11- groove, 12- mounting groove, 2- water proof ring, 3- waterproof membrane, 4- closed plate, 5-
Gum cover, 6- microphone, 7-FPC, 8- top shell, 80- mounting plate, 800- threaded hole, 9- screw.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As Fig. 1 to Fig. 3 jointly shown in, a kind of microphone sealing structure, be applied to electronic equipment on, wherein electronic equipment is
Smartwatch, bracelet etc. are dressed on class product, and for this example by taking smartwatch as an example, microphone sealing structure is assembled in electronic equipment
On lower casing 1.
As Fig. 1 to Fig. 3 jointly shown in, inventive microphone sealing structure includes the encapsulating shell of built-in microphone 6, encapsulating shell
On be provided with sound hole；The side that sound hole is arranged in encapsulating shell is fixed on an electronic device, and evacuation sound hole is provided on electronic equipment
Groove 11, the periphery of groove 11 are equipped with water proof ring 2, and the peripheral ring of preferred groove 11 is equipped with mounting groove 12, sets in mounting groove 12
Set O shape water proof ring 2, the O-ring water proof ring 2 made of rubber material.By the groove depth and water proof ring 2 that configure mounting groove 12
Diameter of section squeezes water proof ring 2 between closed plate 4 and lower casing 1.
The setting of water proof ring 2, the position waterproofing grade with higher for assembling electronic equipment and encapsulating shell, makes at sound hole
It is not easy into water, to improve the waterproofing grade of microphone 6, waterproofing grade ensure that the acoustics of microphone 6 up to 5ATM
Energy；Meanwhile the encapsulating shell of built-in microphone 6 being directly installed on to the mode of electronic equipment, the yield of producing line assembling is also improved,
It reduces costs.
As Fig. 1 to Fig. 3 jointly shown in, encapsulating shell includes the top shell 8 and closed plate 4 snapped together, and wheat is accommodated in top shell 8
Sound hole is arranged in closed plate 4 in gram wind 6.Wherein closed plate 4 is stainless steel plate, opens up multiple nanometer level microporous shapes on stainless steel plate
At sound hole, this is nanometer level microporous to further improve waterproof performance, have it is good go out sound performance.In order to guarantee sound performance out,
Waterproof membrane 3 is fitted on the outside of sound hole, there are gap between 11 bottom of waterproof membrane 3 and groove in this example, which makes waterproof membrane 3
It is not under compression, very good to the acoustical behavior of microphone 6, it is high that producing line assembles yield.
The FPC7 being electrically connected with microphone 6 is additionally provided in this example top shell 8, FPC7 stretches out top shell 8 and electricity along 8 inner wall of top shell
Sub- equipment electrical connection is provided with through-hole herein in top shell 8, FPC7 is stretched out from through-hole.The outer sheath of microphone 6 is equipped with glue simultaneously
Set 5, gum cover 5 fills up 8 internal cavities of top shell；And FPC7 and closed plate 4 set up separately at 5 both ends of gum cover.Wherein gum cover 5 is to microphone 6
Protection is played, the lead-out mode of FPC7 does not influence microphone 6 and goes out sound, and compact-sized, and configuration is reasonable.
As Fig. 1 to Fig. 3 jointly shown in, the two sides that top shell 8 is located at 4 end of closed plate extend outward to form mounting plate 80, installation
It is provided with threaded hole 800 on plate 80, screw 9 is set in threaded hole 800, is provided with and spiral shell on mounting plate 80 on preferred lower casing 1
The corresponding threaded post 10 of pit 800 sets screw thread in threaded post 10, meanwhile, cylindrical mounting post, mounting post are provided on lower casing 1
Top be provided with groove 11 and mounting groove 12.After screw 9 sequentially passes through corresponding threaded hole, the top shell that will snap together
8 and closed plate 4, water proof ring 2 and lower casing 1 between closed plate 4 and lower casing 1 tighten together, wherein built in top shell 8
There are FPC7, microphone 6 and gum cover 5.It is fastened by screw 9 and threaded hole 800, improves the reliability of assembling, keep water proof ring 2 tight
Stainless steel plate is pasted, waterproof effect is good；Meanwhile when assembling, it is only necessary to a step tightening operation, it is easy to assembly, production cost is reduced, is mentioned
High producing line assembles yield.
In conclusion microphone sealing structure of the invention, compared with prior art, microphone waterproof are anti-by water proof ring
Water, reliable and stable, waterproofing grade can achieve 5ATM, and can dismount.Microphone waterproof membrane will not be squeezed, this is to wheat
The acoustical behavior of gram wind is very good, and it is very high that producing line assembles yield.Nanotechnology is used to do in this scheme among steel disc pressing plate micro-
It is very good to go out sound to microphone acoustic for hole.
The preferred embodiment of present invention described above, is not intended to limit the invention, it is all in spirit of the invention and
Made any modification within principle, etc. the improvement of same microphone sealing structure etc., should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of microphone sealing structure is applied on electronic equipment, which is characterized in that the encapsulating shell including built-in microphone,
Sound hole is provided on the encapsulating shell；The side that the sound hole is arranged in the encapsulating shell is installed on the electronic equipment, described
The groove for avoiding the sound hole is provided on electronic equipment, the periphery of the groove is equipped with water proof ring.
2. microphone sealing structure according to claim 1, which is characterized in that the encapsulating shell includes snapping together
Top shell and closed plate, the top shell is interior to accommodate the microphone, and the sound hole is arranged in the closed plate.
3. microphone sealing structure according to claim 2, which is characterized in that the closed plate is stainless steel plate, described
Multiple nanometer level microporous formation sound holes are opened up on stainless steel plate.
4. microphone sealing structure according to claim 1, which is characterized in that be fitted with waterproof on the outside of the sound hole
Film.
5. microphone sealing structure according to claim 4, which is characterized in that the waterproof membrane and the bottom portion of groove it
Between there are gaps.
6. microphone sealing structure according to claim 1, which is characterized in that the peripheral ring of the groove is equipped with installation
Slot, the mounting groove is interior to be arranged O shape water proof ring.
7. microphone sealing structure according to claim 2, which is characterized in that be additionally provided in the top shell and the wheat
The FPC of gram wind-powered electricity generation connection, the FPC stretch out the top shell along top shell inner wall and are electrically connected with the electronic equipment.
8. microphone sealing structure according to claim 7, which is characterized in that the outer sheath of the microphone is equipped with glue
Set, the gum cover fill up the top shell internal cavities；And the FPC and the closed plate set up separately at the gum cover both ends.
9. microphone sealing structure according to claim 8, which is characterized in that the top shell is located at the closed plate end
Two sides extend outward to form mounting plate, and threaded hole is provided on the mounting plate, screw is arranged in the threaded hole；The screw
By the top shell snapped together and closed plate, water proof ring and electronic equipment between closed plate and electronic equipment are successively
It tightens together.
10. microphone sealing structure according to any one of claims 1 to 9, which is characterized in that the electronic equipment is intelligence
It can wrist-watch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454810.9A CN109451381A (en) | 2018-11-30 | 2018-11-30 | A kind of microphone sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454810.9A CN109451381A (en) | 2018-11-30 | 2018-11-30 | A kind of microphone sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109451381A true CN109451381A (en) | 2019-03-08 |
Family
ID=65555646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811454810.9A Pending CN109451381A (en) | 2018-11-30 | 2018-11-30 | A kind of microphone sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109451381A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111065009A (en) * | 2019-12-12 | 2020-04-24 | 歌尔股份有限公司 | Microphone structure and electronic equipment |
| WO2021114425A1 (en) * | 2019-12-12 | 2021-06-17 | 歌尔微电子有限公司 | Microphone structure and electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204707164U (en) * | 2015-05-25 | 2015-10-14 | 全椒县必达机械有限公司 | Mobile microphone sound cavity sealing structure |
| US20160285496A1 (en) * | 2014-01-14 | 2016-09-29 | Sony Corporation | Watertight access cover with electroactive polymers |
| CN106790879A (en) * | 2017-02-28 | 2017-05-31 | 台州蜂时电子科技有限公司 | Digital equipment can open and close type waterproof construction and digital equipment |
| CN206602635U (en) * | 2017-03-17 | 2017-10-31 | 潍坊歌尔电子有限公司 | A kind of terminal with waterproof microphone |
| CN107770654A (en) * | 2017-11-21 | 2018-03-06 | 无锡睿勤科技有限公司 | Structure is fixedly mounted in a kind of electronic equipment and its digital microphone |
| CN209030388U (en) * | 2018-11-30 | 2019-06-25 | 歌尔科技有限公司 | A kind of microphone sealing structure |
-
2018
- 2018-11-30 CN CN201811454810.9A patent/CN109451381A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160285496A1 (en) * | 2014-01-14 | 2016-09-29 | Sony Corporation | Watertight access cover with electroactive polymers |
| CN204707164U (en) * | 2015-05-25 | 2015-10-14 | 全椒县必达机械有限公司 | Mobile microphone sound cavity sealing structure |
| CN106790879A (en) * | 2017-02-28 | 2017-05-31 | 台州蜂时电子科技有限公司 | Digital equipment can open and close type waterproof construction and digital equipment |
| CN206602635U (en) * | 2017-03-17 | 2017-10-31 | 潍坊歌尔电子有限公司 | A kind of terminal with waterproof microphone |
| CN107770654A (en) * | 2017-11-21 | 2018-03-06 | 无锡睿勤科技有限公司 | Structure is fixedly mounted in a kind of electronic equipment and its digital microphone |
| CN209030388U (en) * | 2018-11-30 | 2019-06-25 | 歌尔科技有限公司 | A kind of microphone sealing structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111065009A (en) * | 2019-12-12 | 2020-04-24 | 歌尔股份有限公司 | Microphone structure and electronic equipment |
| WO2021114426A1 (en) * | 2019-12-12 | 2021-06-17 | 潍坊歌尔微电子有限公司 | Microphone structure and electronic device |
| WO2021114425A1 (en) * | 2019-12-12 | 2021-06-17 | 歌尔微电子有限公司 | Microphone structure and electronic device |
| CN111065009B (en) * | 2019-12-12 | 2021-07-27 | 潍坊歌尔微电子有限公司 | Microphone structure and electronic equipment |
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