CN113645548A - Waterproof sound-transmitting structure - Google Patents
Waterproof sound-transmitting structure Download PDFInfo
- Publication number
- CN113645548A CN113645548A CN202010346265.2A CN202010346265A CN113645548A CN 113645548 A CN113645548 A CN 113645548A CN 202010346265 A CN202010346265 A CN 202010346265A CN 113645548 A CN113645548 A CN 113645548A
- Authority
- CN
- China
- Prior art keywords
- waterproof
- rib
- main part
- sound
- protecgulum
- 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.)
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Links
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000012528 membrane Substances 0.000 claims description 50
- 239000000853 adhesive Substances 0.000 claims description 35
- 230000001070 adhesive effect Effects 0.000 claims description 35
- 229920001971 elastomer Polymers 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 description 13
- 238000004078 waterproofing Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a waterproof sound-transmitting structure of a loudspeaker, which comprises: a front cover, a back cover, a speaker main body arranged between the front cover and the back cover, the speaker main body is fixed on the front cover, the rear cover also comprises a rear cover main body, a waterproof structure is arranged on the position of the rear cover main body corresponding to the loudspeaker main body, the waterproof structure also comprises a plurality of sound outlet holes, a waterproof frame and a plurality of ribs, and a waterproof diaphragm, a sheet metal part and an elastic body are sequentially arranged between the rear cover main body and the horn main body from the rear cover main body to the front cover, wherein the waterproof diaphragm comprises a first side edge, and a sound inlet hole is further arranged on the sheet metal part close to the first side edge of the waterproof diaphragm, the bypass cavity is formed in the waterproof structure, so that the flowing distance of water flow from the sound outlet holes to the sound inlet holes is increased, the water pressure is reduced, and the impact pressure of a water column can be effectively reduced, so that water cannot enter the product.
Description
Technical Field
The invention relates to the field of electronic terminal waterproofing, in particular to a loudspeaker waterproof sound-transmitting structure capable of effectively reducing water column impact pressure.
Background
Nowadays, various electronic products are diversified, environments of people during use are varied, waterproof functions of the electronic products are particularly important, and taking waterproof of a horn sound outlet as an example, the horn is separated from the outside through a waterproof diaphragm, so that the functions of sound production and water prevention are achieved, but most of the electronic products can only prevent certain water pressure but cannot prevent water column impact.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a waterproof sound-transmitting structure of a loudspeaker, which can effectively reduce the impact pressure of a water column.
In order to solve the technical problem, a waterproof sound-transmitting structure of a loudspeaker comprises: a protecgulum, a back lid, a loudspeaker main part sets up between this protecgulum and this back lid, this loudspeaker main part is fixed on this protecgulum, this back lid includes a back lid main part, and this back lid is provided with a waterproof construction on the position corresponding with this loudspeaker main part, this waterproof construction still includes a plurality of play sound hole that is formed by this back lid main part and by this back lid main part toward keeping away from a waterproof frame and a plurality of rib that this back lid main part direction extends, and between this back lid main part and this loudspeaker main part by this back lid main part towards the direction of this protecgulum set gradually a waterproof diaphragm, a sheet metal component and an elastomer, wherein, this waterproof diaphragm includes a first side, and this first side department that is close to this waterproof diaphragm on this sheet metal component still sets up one and goes into the sound hole.
Preferably, a first waterproof back adhesive is arranged between the waterproof membrane and the rear cover main body, the shape of the first waterproof back adhesive corresponds to the waterproof frame and the ribs, a first surface of the waterproof membrane is fixed to the waterproof frame and the ribs by the first waterproof back adhesive, a first accommodating space is defined by the rear cover main body, the waterproof frame, the first waterproof back adhesive and the waterproof membrane together, a second waterproof back adhesive is arranged between the waterproof membrane and the sheet metal part, the shape of the second waterproof back adhesive corresponds to the waterproof frame and the ribs, the sheet metal part is fixed to a second surface of the waterproof membrane different from the first surface by the second waterproof back adhesive, and a second accommodating space is defined by the waterproof membrane, the second waterproof back adhesive and the sheet metal part together.
Preferably, the waterproof membrane includes a second side opposite to the first side, and the sound holes are disposed on the back cover main body at positions corresponding to the second side of the waterproof membrane.
Preferably, the waterproofing membrane has a waterproofing rating of IPX 7.
Preferably, the material of the elastomer is rubber.
Preferably, the material of the sheet metal part is copper.
Preferably, the ribs include a first rib and a second rib, the waterproof frame includes a first trunk and a second trunk opposite to the first trunk, wherein the first rib extends from the first trunk toward the second trunk, the first rib is tightly combined with the rear cover main body, the second rib extends from the second trunk toward the first trunk, the second rib is tightly combined with the rear cover main body, the first rib is connected with the first trunk without connecting to the second trunk, the second rib is connected with the second trunk without connecting to the first trunk, and the first rib and the second rib are alternately disposed in the first accommodation space.
Compared with the prior art, the waterproof sound-transmitting structure of the loudspeaker has the advantages that by means of the design of the waterproof structure, the staggered ribs are designed on the rear cover and are matched with the waterproof diaphragm and the sheet metal part, the bypass cavity is generated in the waterproof structure, the distance from the sound outlet holes to the sound inlet holes is increased, water pressure is reduced, water column impact pressure can be effectively reduced, water cannot enter the interior of the product, and the use of the product is better protected.
[ description of the drawings ]
Fig. 1 is a position diagram of a waterproof sound-transmitting structure of a loudspeaker in a product.
Fig. 2 is a cut-away view of a waterproof sound-transmitting structure of a loudspeaker according to the present invention.
Fig. 3 is a water column impact diagram of a waterproof sound-transmitting structure of a loudspeaker according to the present invention.
Fig. 4 shows an internal structure 1 of a waterproof sound-transmitting structure of a speaker according to the present invention.
Fig. 5 shows an internal structure 2 of a waterproof sound-transmitting structure of a speaker according to the present invention.
Fig. 6 shows an internal structure 3 of a waterproof sound-transmitting structure of a speaker according to the present invention.
[ detailed description ] embodiments
Referring to fig. 1 to 2, the present invention provides a waterproof sound-permeable structure for a speaker, which includes: a front cover 1, a rear cover 2, a speaker body 3 disposed between the front cover 1 and the rear cover 2, the speaker body 3 fixed on the front cover 1, wherein the speaker body 3 is fixed on the front cover 1 by a fixing member 31, the fixing member 31 is, for example, a flexible double-sided adhesive tape, a fastener, or a screw, wherein the rear cover 2 includes a rear cover body 20, and the rear cover 2 is provided with a waterproof structure 21 at a position corresponding to the speaker body 3, the waterproof structure 21 includes a plurality of sound holes 211 formed by the rear cover body 20, a waterproof frame 24 and a plurality of ribs 212 extending from the rear cover body 20 in a direction away from the rear cover body 20, and a waterproof membrane 22, a waterproof membrane 21, a waterproof membrane disposed between the rear cover body 20 and the speaker body 3 from the rear cover body 20 toward the front cover 1, that is, in a direction toward the speaker body 3, A metal plate 23 and an elastic body 24, wherein the waterproofing membrane 22 includes a first side 221, and a sound inlet hole 231 is further disposed on the metal plate 23 near the first side 223 of the waterproofing membrane 22.
In the embodiment, as shown in fig. 3, a first waterproof adhesive 221 corresponding to the waterproof frame 24 and the ribs 212 is disposed between the waterproof membrane 22 and the rear cover main body 20, a first surface of the waterproof membrane 22 is fixed to the waterproof frame 24 and the ribs 212 by the first waterproof adhesive 221, the rear cover main body 20, the waterproof frame 24, the first waterproof adhesive 221 and the waterproof membrane 22 jointly define a first accommodating space, similarly, a second waterproof adhesive 222 corresponding to the waterproof frame 24 and the ribs 212 is disposed between the waterproof membrane 22 and the sheet metal part 23, the sheet metal part 23 is fixed to a second surface of the waterproof membrane 22 different from the first surface by the second waterproof adhesive 222, and the waterproof membrane 22, the second waterproof adhesive 222 and the sheet metal part 23 jointly define a second accommodating space by the waterproof membrane 22, the ribs 212, The first waterproof back adhesive 221 blocks liquid in the first accommodating space and prevents the liquid from entering the second accommodating space, so that better waterproof performance is achieved.
In the embodiment, the waterproofing membrane 22 includes a second side 224 opposite to the first side 223, the sound outlet holes 211 are disposed on the back cover main body 20 and corresponding to the second side 224 of the waterproofing membrane 22, that is, the sound inlet hole 231 of the sheet metal part 23 is disposed closer to the first side 223 of the waterproofing membrane 22 and further away from the second side 224, and the sound outlet holes 211 are disposed on the back cover main body 20 and adjacent to the second side 224 of the waterproofing membrane 22 and further away from the first side 223.
In this embodiment, since the first waterproof adhesive 221 corresponding to the shape of the ribs 212 tightly bonds the ribs 212 and the waterproof diaphragm 22, the first receiving space is limited by the ribs 212, so as to form a first path, when the liquid flows into the first receiving space through the sound holes 211 close to the second side 224, the liquid flows from the position close to the second side 224 in the first receiving space toward the direction far from the second side 224 and close to the first side 223 along the first path in a meandering manner, so that the pressure of the liquid, i.e. the hydraulic pressure, is reduced by the change of the flow direction during the meandering manner of the liquid along the first path, and the hydraulic pressure of the liquid flowing to the position close to the first side 223 is lower than the hydraulic pressure of the liquid close to the second side 224.
In this embodiment, the ribs 212 include a first rib 2121 and a second rib 2122, the waterproof frame 24 includes a first stem 241 and a second stem 242 opposite to the first stem 241, wherein the first rib 2121 extends from the first stem 241 toward the second stem 242, the first rib 2121 is tightly combined with the rear cover main body 20, the second rib 2122 extends from the second stem 242 toward the first stem 241, the second rib 2122 is tightly combined with the rear cover main body 20, the first rib 2121 is connected with the first stem 241 but not connected with the second stem 242, the second rib 2122 is connected with the second stem 242 but not connected with the first stem 241, the first rib 2121 and the second rib 2122 are alternately disposed in the first receiving space, so that the first receiving space is defined by the ribs 212, the rear cover main body 20, the waterproof frame 24, the first waterproof adhesive 221, and the first waterproof adhesive 22, since the shape of the first waterproof backing 221 corresponds to the waterproof frame 24 and the ribs 212 and only covers the adhered portion of the waterproof membrane 22, that is, the waterproof frame 24 only covers the portion of the waterproof membrane 22 corresponding to the ribs 212 and does not cover the portion of the waterproof membrane 22 not corresponding to the ribs 212, the liquid entering the first receiving space through the sound holes can contact the waterproof membrane 22 facing the first surface of the rear cover body 20.
In this embodiment, the shape of the second waterproof backing 222 corresponds to the waterproof frame 24 and the ribs 212, so that the second waterproof backing 222 includes a third rib 2221 and a fourth rib 2222 corresponding to the first rib 2121 and the second rib 2122, respectively, and a third stem 2223 and a fourth stem 2224 corresponding to the first stem 241 and the second stem 242, respectively, and the third stem 2221, the fourth stem 2222, the third rib 2223, and the fourth rib 2224 of the second waterproof backing 222 are adhered to the second surface of the waterproof diaphragm 22, so that the third stem 2223, the fourth stem 2224, the third rib 2221, the fourth rib 2222, the waterproof diaphragm 22, and the sheet metal part 23 of the second waterproof backing 222 define the second path together in the second receiving space, so that the speaker body 3 transmits sound through the sound hole 231, the second receiving space can be used as a sound box to generate resonance in the second receiving space and transmit sound to the outside of the rear cover 2 through the first space and the sound outlet holes 211 via the waterproof membrane 22, that is, sound is transmitted from the rear cover 2 to a direction away from the front cover 1 and the rear cover 2 via the sound outlet holes 211, wherein when the first receiving space is filled with liquid, sound generated by the speaker body 3 enters the second receiving space via the sound inlet hole 231 near the first side 223 of the waterproof membrane 22 and is transmitted to the liquid in the first receiving space along the second path via the resonance with the waterproof membrane 22, and then the sound is transmitted to the outside of the rear cover 2 via the sound outlet holes 211 by means of resonance with the liquid in the first receiving space, and when the first receiving space is not filled with liquid, the sound generated by the speaker body 3 resonates in the second receiving space and is transmitted to the first receiving space by the resonance with the waterproofing membrane 22 and also resonates in the first receiving space, so that the sound generated by the speaker body 3 is transmitted to the sound holes 211 near the second side 224 of the waterproofing membrane 22 through the first and second paths and is transmitted to the outside of the rear cover 2 through the sound holes 211. In this embodiment, the waterproofing membrane 22 is rated IPX 7.
In this embodiment, the elastomer 24 is made of rubber.
In this embodiment, the material of the sheet metal part 23 is copper.
In summary, according to the waterproof sound-transmitting structure of the speaker of the present invention, by the design of the waterproof structure 21, the ribs 212 are designed on the rear cover body 2 in a staggered manner and the waterproof membrane 22 and the sheet metal component 23 are used in a matched manner, so that a bypass cavity is generated inside the waterproof structure 21 to increase the distance from the sound outlet holes 211 to the sound inlet hole 231, thereby reducing the water pressure, effectively reducing the impact pressure of the water column, preventing water from entering the interior of the speaker, and better protecting the usage of the speaker.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A waterproof sound-transmitting structure of a horn, comprising: a protecgulum, a back lid, a loudspeaker main part sets up between this protecgulum and this back lid, this loudspeaker main part is fixed on this protecgulum, this back lid is including a back lid main part, and this back lid is provided with a waterproof construction on the position corresponding with this loudspeaker main part, a serial communication port, this waterproof construction still includes a plurality of play sound hole that is formed by this back lid main part and by this back lid main part toward keep away from this back lid main part direction extension waterproof frame and a plurality of rib, and by this back lid main part toward this protecgulum direction set gradually a waterproof diaphragm between this back lid main part and this loudspeaker main part, a sheet metal component and an elastomer, wherein, this waterproof diaphragm includes a first side, and this first side department that is close to this waterproof diaphragm on this sheet metal component still sets up one and goes into the sound hole.
2. The waterproof sound-transmitting structure of a speaker according to claim 1, wherein a first waterproof adhesive is disposed between the waterproof membrane and the rear cover body, the first waterproof adhesive is fixed to the waterproof frame and the ribs by the first waterproof adhesive, the rear cover body, the waterproof frame, the first waterproof adhesive and the waterproof membrane define a first receiving space together, a second waterproof adhesive is disposed between the waterproof membrane and the sheet metal part, the sheet metal part is fixed to a second surface of the waterproof membrane different from the first surface by the second waterproof adhesive, and the waterproof membrane, the second waterproof adhesive and the sheet metal part define a second receiving space together.
3. The waterproof sound-transmitting structure for a speaker of claim 1, wherein the waterproof membrane includes a second side opposite to the first side, and the sound holes are disposed on the rear cover body at positions corresponding to the second side of the waterproof membrane.
4. The waterproof sound-transmitting structure of a horn of any one of claims 1 to 3, wherein the waterproof membrane has a waterproof rating of IPX 7.
5. The waterproof sound-transmitting structure for a loudspeaker according to claim 1, wherein the elastomer is made of rubber.
6. The waterproof sound-transmitting structure of a horn of claim 1, wherein the sheet metal part is made of copper.
7. The waterproof sound-transmitting structure of a speaker according to claim 1, wherein the ribs include a first rib and a second rib, the waterproof frame includes a first trunk and a second trunk opposite to the first trunk, wherein the first rib extends from the first trunk toward the second trunk, the first rib is tightly coupled to the rear cover main body, the second rib extends from the second trunk toward the first trunk, the second rib is tightly coupled to the rear cover main body, the first rib is connected to the first trunk without being connected to the second trunk, the second rib is connected to the second trunk without being connected to the first trunk, and the first rib and the second rib are alternately disposed in the first receiving space.
8. The waterproof sound-transmitting structure of claim 1, wherein a second waterproof adhesive is shaped to correspond to the waterproof frame and the ribs, the second waterproof adhesive includes a third rib and a fourth rib corresponding to the first rib and the second rib, respectively, and a third stem and a fourth stem corresponding to the first stem and the second stem, respectively, the third stem, the fourth stem, the third rib and the fourth rib of the second waterproof adhesive being adhered to the second surface of the waterproof membrane.
9. A waterproof sound-transmitting structure of a horn, comprising: a protecgulum, a back lid, a loudspeaker main part sets up between this protecgulum and this back lid, this loudspeaker main part is fixed and is covered after this, this protecgulum includes a protecgulum main part, and this protecgulum is provided with a waterproof construction on the position corresponding with this loudspeaker main part, a serial communication port, this waterproof construction still includes a plurality of play sound hole that is formed by this protecgulum main part and by this protecgulum main part toward keeping away from a waterproof frame and a plurality of rib that this protecgulum main part direction extends, and set gradually a waterproof diaphragm, a sheet metal component and an elastomer by this protecgulum main part towards the direction of this back lid between this protecgulum main part and this loudspeaker main part, wherein, this waterproof diaphragm includes a first side, and this first side department that is close to this waterproof diaphragm on this sheet metal component still sets up one and goes into the sound hole.
10. The waterproof sound-transmitting structure of a speaker of claim 9, wherein a first waterproof adhesive is disposed between the waterproof membrane and the front cover body, the first waterproof adhesive is fixed to the waterproof frame and the ribs by the first waterproof adhesive, the front cover body, the waterproof frame, the first waterproof adhesive and the waterproof membrane define a first receiving space together, a second waterproof adhesive is disposed between the waterproof membrane and the sheet metal part, the sheet metal part is fixed to a second surface of the waterproof membrane different from the first surface by the second waterproof adhesive, and the waterproof membrane, the second waterproof adhesive and the sheet metal part define a second receiving space together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010346265.2A CN113645548B (en) | 2020-04-27 | 2020-04-27 | Waterproof sound-transmitting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010346265.2A CN113645548B (en) | 2020-04-27 | 2020-04-27 | Waterproof sound-transmitting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113645548A true CN113645548A (en) | 2021-11-12 |
| CN113645548B CN113645548B (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010346265.2A Active CN113645548B (en) | 2020-04-27 | 2020-04-27 | Waterproof sound-transmitting structure |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07226988A (en) * | 1994-02-10 | 1995-08-22 | Aron Kasei Co Ltd | Water-proof case for portable small-sized sound producer |
| JP2006186422A (en) * | 2004-12-24 | 2006-07-13 | Ricoh Co Ltd | Waterproof electronic apparatus |
| US20180124505A1 (en) * | 2016-10-27 | 2018-05-03 | AAC Technologies Pte. Ltd. | Speaker |
| CN208190916U (en) * | 2018-05-29 | 2018-12-04 | 安徽江淮汽车集团股份有限公司 | A kind of loudspeaker waterproof cover |
| JP2019054410A (en) * | 2017-09-15 | 2019-04-04 | カシオ計算機株式会社 | Waterproof structure and electronic device |
| CN208891068U (en) * | 2018-11-10 | 2019-05-21 | 深圳市力豪伟业科技有限公司 | A kind of translucent structure of loudspeaker waterproof |
| JP2020053922A (en) * | 2018-09-28 | 2020-04-02 | シャープ株式会社 | Waterproof electronic device and television device including the same |
-
2020
- 2020-04-27 CN CN202010346265.2A patent/CN113645548B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07226988A (en) * | 1994-02-10 | 1995-08-22 | Aron Kasei Co Ltd | Water-proof case for portable small-sized sound producer |
| JP2006186422A (en) * | 2004-12-24 | 2006-07-13 | Ricoh Co Ltd | Waterproof electronic apparatus |
| US20180124505A1 (en) * | 2016-10-27 | 2018-05-03 | AAC Technologies Pte. Ltd. | Speaker |
| JP2019054410A (en) * | 2017-09-15 | 2019-04-04 | カシオ計算機株式会社 | Waterproof structure and electronic device |
| CN208190916U (en) * | 2018-05-29 | 2018-12-04 | 安徽江淮汽车集团股份有限公司 | A kind of loudspeaker waterproof cover |
| JP2020053922A (en) * | 2018-09-28 | 2020-04-02 | シャープ株式会社 | Waterproof electronic device and television device including the same |
| CN208891068U (en) * | 2018-11-10 | 2019-05-21 | 深圳市力豪伟业科技有限公司 | A kind of translucent structure of loudspeaker waterproof |
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| Publication number | Publication date |
|---|---|
| CN113645548B (en) | 2024-04-19 |
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