CN210405592U - Microphone sealing structure and electronic equipment - Google Patents
Microphone sealing structure and electronic equipment Download PDFInfo
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- CN210405592U CN210405592U CN201921399059.7U CN201921399059U CN210405592U CN 210405592 U CN210405592 U CN 210405592U CN 201921399059 U CN201921399059 U CN 201921399059U CN 210405592 U CN210405592 U CN 210405592U
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Abstract
The utility model discloses a microphone sealing structure and electronic equipment, the microphone sealing structure comprises a shell, the shell is provided with a sound pickup hole; a microphone unit; the mounting plate is arranged between the shell and the microphone monomer, a sound inlet hole is formed in the position, corresponding to the sound pickup hole, of the mounting plate, and the microphone monomer is mounted at the sound inlet hole; the waterproof breathable film is attached between the shell and the mounting plate and is arranged corresponding to the sound pickup hole and the sound inlet hole; the sealed cowling, the sealed cowling sets up deviate from on the mounting panel the one side of waterproof ventilated membrane, the sealed cowling cover is located the microphone monomer is external. The utility model discloses microphone seal structure has simple structure, easily assembles, save material and advantage of cost, can improve the waterproof nature and the leakproofness of microphone.
Description
Technical Field
The utility model relates to a microphone technical field, concretely relates to microphone seal structure and electronic equipment.
Background
The electronic product industry is changing day by day, and the intelligent voice interaction stage has been developed at present, and mobile phones, smart sound boxes, early education machines, various emerging intelligent products and the like all need to carry out voice interaction. The realization of the voice interaction function is not separated from the main element of the microphone, so the design of the microphone is particularly important, and the success of the microphone design is related to whether the whole product can really meet the requirements of users. With the rapid development of electronic products, the requirements for microphones are also higher and higher, wherein the waterproof function is particularly obvious. However, the traditional digital microphone is generally sealed only by using foam, silica gel, double-sided adhesive tape and the like singly outside the microphone, and waterproof is not considered; or the whole microphone is completely controlled in a closed space to realize the waterproof function, but the structure is complex, the material is wasted, and the cost is high.
Therefore, it is necessary to provide a microphone sealing structure to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The main objective of the present invention is to provide a microphone sealing structure and an electronic device, so as to solve at least one problem in the prior art.
In order to achieve the above object, the utility model provides a microphone seal structure, microphone seal structure includes:
the shell is provided with a sound pickup hole;
a microphone unit;
the mounting plate is arranged between the shell and the microphone monomer, a sound inlet hole is formed in the position, corresponding to the sound pickup hole, of the mounting plate, and the microphone monomer is mounted at the sound inlet hole;
the waterproof breathable film is attached between the shell and the mounting plate and is arranged corresponding to the sound pickup hole and the sound inlet hole;
the sealed cowling, the sealed cowling sets up deviate from on the mounting panel the one side of waterproof ventilated membrane, the sealed cowling cover is located the microphone monomer is external.
Preferably, the casing with be provided with waterproof double faced adhesive tape between the waterproof ventilated membrane, the mounting panel will waterproof ventilated membrane compress tightly in waterproof double faced adhesive tape, waterproof double faced adhesive tape's one side with the casing bonds, waterproof double faced adhesive tape's another side with waterproof ventilated membrane reaches the mounting panel bonds, waterproof double faced adhesive tape corresponds the sound collecting hole has been seted up to the position of sound collecting hole.
Preferably, the sound receiving hole is larger than the sound pickup hole, and the waterproof breathable film is larger than the sound receiving hole and the sound inlet hole.
Preferably, the housing is provided with a positioning column, and a positioning hole matched with the positioning column is formed in the mounting plate corresponding to the positioning column.
Preferably, the number of the positioning columns is two, the two positioning columns are symmetrically arranged on two sides of the sound picking hole, and the number of the positioning holes is consistent with that of the positioning columns and is arranged in a one-to-one correspondence manner.
Preferably, the sealed cowling includes the cotton board of bubble, the through-hole has been seted up to the cotton board of bubble, the one side of the cotton board of bubble with the mounting panel is connected, another face lid of the cotton board of bubble is equipped with the plastic sheet, the microphone monomer stretches into the through-hole.
Preferably, the outer wall of the microphone monomer is closely attached to the inner wall of the through hole.
Preferably, the foam board is made of polyurethane foam, and the plastic sheet is mylar sheet.
Preferably, the waterproof double-sided adhesive tape is polyacrylate double-sided foam rubber.
Additionally, the present invention also provides an electronic device, which includes the microphone sealing structure as described in any one of the above.
The utility model discloses among the microphone seal structure, the casing has been seted up and has been picked up the sound hole, and the sound inlet has been seted up to the mounting panel, and the mounting panel is used for bearing the microphone monomer, and the mounting panel is installed on the casing. The microphone monomer sets up respectively with advancing sound hole and pickup hole, and sound gets into the sound hole that advances of mounting panel through the pickup hole of casing, and then gets into the microphone monomer, realizes the pickup function. And be provided with waterproof ventilated membrane between the sound inlet hole of the sound pick-up hole of casing and mounting panel, if rivers or water droplet get into the sound pick-up hole, waterproof ventilated membrane can stop rivers or water droplet outside, prevents that it from permeating into in the sound inlet hole, realizes waterproof function. Meanwhile, the waterproof breathable film can allow sound to pass through, so that the sound entering the sound inlet hole is not influenced, namely, the function of sound pickup is not influenced. In addition, the sealing cover is arranged on the side, deviating from the waterproof breathable film, of the mounting plate, the sealing cover has good sealing performance, the microphone single body is integrally covered in the sealing cover, and sealing of the microphone single body is achieved. The utility model discloses a microphone seal structure's simple structure, easily assembly, save material and cost improve the waterproof nature and the leakproofness of microphone.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is an exploded view of the microphone sealing structure of the present invention at a viewing angle;
fig. 2 is an exploded view of the microphone sealing structure of the present invention at another viewing angle;
fig. 3 is an assembly schematic view of the microphone sealing structure of the present invention;
fig. 4 is a schematic cross-sectional view of the microphone sealing structure of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
41 | |
| 11 | |
411 | |
| 12 | |
412 | Locating |
| 13 | |
50 | |
| 20 | Waterproof double faced |
51 | |
| 21 | |
52 | |
| 30 | Waterproof |
53 | Through |
| 40 | Microphone monomer |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
As shown in fig. 1 to 4, the microphone sealing structure of the present embodiment includes a casing 10, a microphone unit 40, a mounting plate 41, a waterproof breathable film 30, and a sealing cover 50, wherein the casing 10 is provided with a sound pickup hole 11; the mounting plate 41 is arranged between the shell 10 and the microphone monomer 40, the mounting plate 41 is provided with a sound inlet 411 corresponding to the sound pickup hole 11, and the microphone monomer 40 is arranged at the sound inlet 411; the waterproof ventilated membrane 30 is attached between the shell 10 and the mounting plate 41, and the waterproof ventilated membrane 30 is arranged corresponding to the sound pickup hole 11 and the sound inlet hole 411; the sealing cover 50 is arranged on the mounting plate 41 on the side away from the waterproof breathable film 30, and the sealing cover 50 covers the microphone unit 40.
Specifically, in the microphone sealing structure of the present embodiment, the casing 10 has a sound pickup hole 11, the mounting plate 41 has a sound inlet hole 411, the mounting plate 41 is used for carrying the microphone unit 40, and the mounting plate 41 is mounted on the casing 10. The microphone unit 40 is disposed separately from the sound inlet hole 411 and the sound collecting hole 11, and sound enters the sound inlet hole 411 of the mounting plate 41 through the sound collecting hole 11 of the housing 10 and then enters the microphone unit 40, thereby realizing a sound collecting function. And a waterproof breathable film 30 is arranged between the sound pickup hole 11 of the casing 10 and the sound inlet hole 411 of the mounting plate 41, if water flow or water drops enter the sound pickup hole 11, the waterproof breathable film 30 can block the water flow or water drops outside to prevent the water flow or water drops from permeating into the sound inlet hole 411, so that a waterproof function is realized. Meanwhile, the waterproof breathable film 30 may allow sound to pass through, so that sound entering the sound inlet hole 411 is not affected, i.e., the function of sound pickup is not affected. In addition, a sealing cover 50 is arranged on one surface, away from the waterproof breathable film 30, of the mounting plate 41, the sealing cover 50 has good sealing performance, and the microphone unit 40 is entirely covered in the sealing cover 50, so that the microphone unit 40 is sealed. The microphone sealing structure of the embodiment has the advantages of simple structure, easiness in assembly, material and cost saving and improvement of the waterproofness and the sealing performance of the microphone.
As shown in fig. 1 to 3, a waterproof double-sided adhesive tape 20 is disposed between the casing 10 and the waterproof breathable film 30, the mounting plate 41 presses the waterproof breathable film 30 against the waterproof double-sided adhesive tape 20, one surface of the waterproof double-sided adhesive tape 20 is bonded to the casing 10, the other surface of the waterproof double-sided adhesive tape 20 is bonded to the waterproof breathable film 30 and the mounting plate 41, and a sound receiving hole 21 is formed in the waterproof double-sided adhesive tape 20 at a position corresponding to the sound collecting hole 11. In this embodiment, two sides of the waterproof double-sided tape 20 are respectively bonded to the casing 10 and the mounting plate 41, and the mounting plate 41 is bonded to the casing 10 through the waterproof double-sided tape 20, so as to fix the mounting plate 41 and the casing 10. Waterproof double faced adhesive tape 20 corresponds sound picking hole 11 position and sets up sound receiving hole 21 for sound picking hole 11, sound receiving hole 21, waterproof ventilated membrane 30, advance sound hole 411 and microphone monomer 40 correspond the setting, and the collection that carries out sound that can be better and pick up improves the performance of microphone, promotes user and uses experience, reinforcing product competitiveness. The waterproof double-sided adhesive tape 20 can primarily block water flow or water drops entering the sound pickup hole 11, and if a small amount of accumulated water permeates into the sound receiving hole 21, the waterproof breathable film 30 can secondarily block water, so that the microphone monomer 40 is effectively prevented from being filled with water. The waterproof ventilated membrane 30 of the embodiment and the waterproof double faced adhesive tape 20 form a dual waterproof structure, so that the waterproof performance of the microphone sealing structure is greatly improved.
As shown in fig. 1 and fig. 2, in the present embodiment, the size of the sound receiving hole 21 on the waterproof double-sided adhesive tape 20 is larger than the size of the sound pickup hole 11 on the housing 10, so as to prevent the waterproof double-sided adhesive tape 20 from blocking the sound pickup hole 11 and affecting sound pickup; the size of waterproof ventilated membrane 30 is greater than the size of sound receiving hole 21 on waterproof double faced adhesive tape 20 and the size of sound receiving hole 411 on mounting plate 41, so that effective sealing of sound receiving hole 21 and sound receiving hole 411 is ensured, and effective waterproofing is ensured.
In this embodiment, the housing 10 is provided with a positioning column 12, and the mounting plate 41 is provided with a positioning hole 412 corresponding to the positioning column 12 and matching with the positioning column 12. Specifically, as shown in fig. 1 and fig. 3, the housing 10 includes a bottom plate 13, the positioning column 12 is disposed on the bottom plate 13, and the positioning hole 412 of the mounting plate 41 is matched with the positioning column 12, so as to realize the fast positioning of the bottom plate 13 and the mounting plate 41, improve the mounting efficiency, and simultaneously ensure the fast alignment of the sound receiving hole 21, the sound inlet hole 411 and the sound pickup hole 11.
In a preferred embodiment, the number of the positioning columns 12 is two, the two positioning columns 12 are symmetrically disposed on two sides of the sound pickup hole 11, and the number of the positioning holes 412 is the same as that of the positioning columns 12 and is arranged in a one-to-one correspondence manner. A positioning column 12 and a positioning hole 412 corresponding to the positioning column form a set of positioning structures, and the two sets of positioning structures are more favorable for realizing the rapid positioning of the bottom plate 13 and the mounting plate 41. As shown in fig. 1, the positioning post 12 is integrally formed on the bottom plate 13, which is convenient for manufacturing.
In this embodiment, the sealing cover 50 includes a foam board 51, the foam board 51 is provided with a through hole 53, one side of the foam board 51 is connected to the mounting board 41, the other side of the foam board 51 is covered with a plastic sheet 52, and the microphone unit 40 extends into the through hole 53. Specifically, the plastic sheet 52 is adhered to a surface of the foam board 51 away from the mounting plate 41, after the plastic sheet 52 is adhered to the foam board 51 with the through hole 53, a cavity is formed, an open end of the cavity faces the mounting plate 41 and is adhered to the mounting plate 41, and the microphone unit 40 is accommodated in the cavity, so that the microphone unit 40 is sealed.
In this embodiment, the outer wall of the microphone unit 40 is closely attached to the inner wall of the through hole 53. As shown in fig. 1, the microphone unit 40 is square, the foam board 51 is square, and the shape of the through hole 53 of the foam board 51 matches with the shape of the microphone unit 40. The square cavity is formed by sticking the square foam and the plastic sheet 52, the square microphone monomer 40 is accommodated in the square cavity, and the periphery of the square microphone monomer 40 is correspondingly attached to the periphery of the square cavity, so that the structure is compact, the space utilization is more reasonable, and the sealing performance of the microphone sealing structure is improved. In other embodiments, the microphone unit 40 may be circular, oval or other irregular shapes, and the shape of the through hole 53 of the foam board 51 is made to match the shape of the microphone unit 40, and the shape of the microphone unit 40 is not limited in this embodiment.
In a preferred embodiment, the foam board 51 is made of polyurethane foam (PORON), and the plastic sheet 52 is mylar. PORON has the advantage of high leakproofness, high energy absorption, high buffer, can not cause the pollution to other materials moreover. The Mylar film has the advantages of stable size, heat and cold resistance, moisture and water resistance, corrosion resistance and the like, and a cavity formed by bonding the foam board 51 made of PORON with the Mylar film also has better sealing property.
In this embodiment, the waterproof double-sided tape 20 is polyacrylate double-sided foam rubber (VHB rubber). The colloid and the glue surface of the VHB glue are both composed of viscoelastic bodies, the integral viscoelasticity is better, the shell 10 and the mounting plate 41 can be better bonded, and the integral structure is more stable. Meanwhile, the colloid of the VHB adhesive is of a closed-cell structure, and has better sealing property and waterproofness.
The utility model discloses among the microphone seal structure, waterproof double faced adhesive tape 20, waterproof ventilated membrane 30, bubble cotton and plastic sheet 52 etc. all adopt low-priced material to make, the low price, simple manufacture, greatly the cost is reduced.
In addition, the utility model also provides an electronic equipment, it includes as above microphone seal structure. The specific structure of the microphone sealing structure refers to the above-mentioned embodiments, and since the microphone sealing structure adopts all the technical solutions of the above-mentioned embodiments, at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments are achieved, and no further description is given here.
The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A microphone sealing structure, comprising:
the shell is provided with a sound pickup hole;
a microphone unit;
the mounting plate is arranged between the shell and the microphone monomer, a sound inlet hole is formed in the position, corresponding to the sound pickup hole, of the mounting plate, and the microphone monomer is mounted at the sound inlet hole;
the waterproof breathable film is attached between the shell and the mounting plate and is arranged corresponding to the sound pickup hole and the sound inlet hole;
the sealed cowling, the sealed cowling sets up deviate from on the mounting panel the one side of waterproof ventilated membrane, the sealed cowling cover is located the microphone monomer is external.
2. The microphone sealing structure according to claim 1, wherein a waterproof double-sided tape is disposed between the casing and the waterproof breathable film, the mounting plate presses the waterproof breathable film against the waterproof double-sided tape, one surface of the waterproof double-sided tape is bonded to the casing, the other surface of the waterproof double-sided tape is bonded to the waterproof breathable film and the mounting plate, and a sound receiving hole is formed in a position of the waterproof double-sided tape corresponding to the sound pickup hole.
3. The microphone sealing structure of claim 2, wherein the sound receiving hole has a size larger than that of the sound pickup hole, and the waterproof air-permeable film has a size larger than that of the sound receiving hole and the sound input hole.
4. The microphone sealing structure according to claim 1, wherein the housing is provided with a positioning column, and the mounting plate is provided with a positioning hole corresponding to the positioning column and matched with the positioning column.
5. The microphone sealing structure of claim 4, wherein the number of the positioning posts is two, the two positioning posts are symmetrically disposed on two sides of the sound pickup hole, and the number of the positioning holes is consistent with the number of the positioning posts and is arranged in a one-to-one correspondence manner.
6. The microphone sealing structure according to any one of claims 1 to 5, wherein the sealing cap comprises a foam board, the foam board is provided with a through hole, one surface of the foam board is connected with the mounting plate, the other surface of the foam board is covered with a plastic sheet, and the microphone unit extends into the through hole.
7. The microphone sealing structure of claim 6, wherein an outer wall of the microphone unit is closely attached to an inner wall of the through hole.
8. The microphone sealing structure of claim 6, wherein the foam board is made of polyurethane foam, and the plastic sheet is Mylar.
9. The microphone sealing structure of claim 2 or 3, wherein the waterproof double-sided adhesive tape is polyacrylate double-sided foam rubber.
10. An electronic device, characterized in that the electronic device comprises a microphone sealing structure according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399059.7U CN210405592U (en) | 2019-08-26 | 2019-08-26 | Microphone sealing structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399059.7U CN210405592U (en) | 2019-08-26 | 2019-08-26 | Microphone sealing structure and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210405592U true CN210405592U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921399059.7U Active CN210405592U (en) | 2019-08-26 | 2019-08-26 | Microphone sealing structure and electronic equipment |
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|---|---|
| CN (1) | CN210405592U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111510535A (en) * | 2020-04-29 | 2020-08-07 | Oppo广东移动通信有限公司 | Electronic device |
| CN113613110A (en) * | 2020-07-14 | 2021-11-05 | 深圳市冠旭电子股份有限公司 | Microphone assembling method, microphone and earphone |
| CN113873377A (en) * | 2021-10-27 | 2021-12-31 | 歌尔科技有限公司 | Microphone assembly and electronic product |
| CN114786397A (en) * | 2022-06-20 | 2022-07-22 | 龙旗电子(惠州)有限公司 | Microphone sealing structure and electronic equipment |
-
2019
- 2019-08-26 CN CN201921399059.7U patent/CN210405592U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111510535A (en) * | 2020-04-29 | 2020-08-07 | Oppo广东移动通信有限公司 | Electronic device |
| CN113613110A (en) * | 2020-07-14 | 2021-11-05 | 深圳市冠旭电子股份有限公司 | Microphone assembling method, microphone and earphone |
| CN113613110B (en) * | 2020-07-14 | 2024-01-12 | 深圳市冠旭电子股份有限公司 | Microphone assembling method, microphone and earphone |
| CN113873377A (en) * | 2021-10-27 | 2021-12-31 | 歌尔科技有限公司 | Microphone assembly and electronic product |
| CN114786397A (en) * | 2022-06-20 | 2022-07-22 | 龙旗电子(惠州)有限公司 | Microphone sealing structure and electronic equipment |
| CN114786397B (en) * | 2022-06-20 | 2022-09-16 | 龙旗电子(惠州)有限公司 | Microphone sealing structure and electronic equipment |
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