CN113645548B - Waterproof sound-transmitting structure - Google Patents
Waterproof sound-transmitting structure Download PDFInfo
- Publication number
- CN113645548B CN113645548B CN202010346265.2A CN202010346265A CN113645548B CN 113645548 B CN113645548 B CN 113645548B CN 202010346265 A CN202010346265 A CN 202010346265A CN 113645548 B CN113645548 B CN 113645548B
- Authority
- CN
- China
- Prior art keywords
- waterproof
- main body
- trunk
- rib
- rear cover
- 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
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 66
- 239000003292 glue Substances 0.000 claims description 29
- 238000004078 waterproofing Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [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 15
- 239000000806 elastomer Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 13
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
Abstract
The invention provides a waterproof sound-transmitting structure of a loudspeaker, which comprises: the front cover, a back cover, a loudspeaker main part sets up between this protecgulum and this back cover, this loudspeaker main part is fixed on this protecgulum, this back cover still includes a back cover main part, and this back cover main part is provided with a waterproof construction in the position corresponding with this loudspeaker main part, this waterproof construction still includes a plurality of sound hole, a waterproof frame and a plurality of rib, and set gradually a waterproof diaphragm from this back cover main part towards the direction of this protecgulum between this back cover 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 a sound inlet, through the inside flowing distance that produces the bypass cavity that has increased the rivers from these sound holes to this sound inlet makes the water pressure reduce, can effectively reduce water column impact pressure and make inside the product can not advance water.
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 the impact pressure of a water column.
Background
Nowadays, various electronic products are layered endlessly, the environment when people use the electronic products is various, the waterproof function of the electronic products is particularly important, the waterproof function of a loudspeaker sound outlet is taken as an example, the loudspeaker is separated from the outside through the waterproof membrane, the functions of sound emission and water prevention are achieved, but most of the electronic products can only prevent certain water pressure but cannot prevent the impact of water columns.
Disclosure of Invention
The invention aims to provide a loudspeaker waterproof sound-transmitting structure capable of effectively reducing the impact pressure of a water column.
In order to solve the above technical problem, a waterproof sound-transmitting structure of loudspeaker, it includes: the loudspeaker comprises a front cover, a rear cover, a loudspeaker main body, a waterproof frame, a plurality of ribs, a waterproof membrane, a sheet metal part and an elastomer, wherein the loudspeaker main body is arranged between the front cover and the rear cover, the loudspeaker main body is fixed on the front cover, the rear cover comprises a rear cover main body, a waterproof structure is arranged at a position corresponding to the loudspeaker main body, the waterproof structure further comprises a plurality of sound outlet holes formed by the rear cover main body, a waterproof frame and a plurality of ribs, the waterproof frame and the ribs extend from the rear cover main body to a direction far away from the rear cover main body, the waterproof membrane, the sheet metal part and the elastomer are sequentially arranged between the rear cover main body and the loudspeaker main body in a direction of the front cover, the waterproof membrane comprises a first side, and the first side of the sheet metal part, which is close to the waterproof membrane, is further provided with a sound inlet hole.
Preferably, a first waterproof back glue with a shape corresponding to the waterproof frame and the ribs is arranged between the waterproof membrane and the rear cover main body, a first surface of the waterproof membrane is fixed on the waterproof frame and the ribs by the first waterproof back glue, a first accommodating space is jointly defined by the rear cover main body, the waterproof frame, the first waterproof back glue and the waterproof membrane, a second waterproof back glue with a shape corresponding to the waterproof frame and the ribs is arranged between the waterproof membrane and the sheet metal part, the sheet metal part is fixed on a second surface of the waterproof membrane different from the first surface by the second waterproof back glue, and a second accommodating space is jointly defined by the waterproof membrane, the second waterproof back glue and the sheet metal part.
Preferably, the waterproof membrane comprises a second side opposite to the first side, and the sound outlets are arranged on the rear cover main body and correspond to the second side of the waterproof membrane.
Preferably, the waterproofing membrane has a waterproofing grade of IPX7.
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 but not connected with the second trunk, the second rib is connected with the second trunk but not connected with the first trunk, and the first rib and the second rib are arranged in the first accommodating space in a staggered manner.
Compared with the prior art, the waterproof sound-transmitting structure of the loudspeaker has the advantages that through the design of the waterproof structure, the staggered ribs are designed on the rear cover and matched with the waterproof membrane and the sheet metal part, the bypass cavity is formed in the waterproof structure, the distance from the sound outlet holes to the sound inlet holes is increased, the water pressure is reduced, the impact pressure of a water column can be effectively reduced, water cannot enter the product, and the use of the product is better protected.
[ Description of the drawings ]
Fig. 1 is a position diagram of a speaker waterproof sound-transmitting structure in a product according to the present invention.
Fig. 2 is a sectional view of a waterproof sound-transmitting structure of a speaker according to the present invention.
Fig. 3 is a water column impact diagram of a speaker waterproof and sound-transmitting structure according to the present invention.
Fig. 4 shows an internal structure 1 of a waterproof sound-transmitting structure of a loudspeaker according to the present invention.
Fig. 5 shows an internal structure 2 of a waterproof sound-transmitting structure of a loudspeaker according to the present invention.
Fig. 6 shows an internal structure 3 of a waterproof sound-transmitting structure of a loudspeaker according to the present invention.
[ Detailed description ] of the invention
Referring to fig. 1-2, the present invention provides a waterproof and sound-transmitting structure of a loudspeaker, which includes: the loudspeaker comprises a front cover 1, a rear cover 2, a loudspeaker body 3 arranged between the front cover 1 and the rear cover 2, wherein the loudspeaker body 3 is fixed on the front cover 1 through a fixing piece 31, the fixing piece 31 is, for example, flexible double-sided back glue, a buckle or a screw, and the like, the rear cover 2 comprises a rear cover body 20, the rear cover 2 is provided with a waterproof structure 21 at a position corresponding to the loudspeaker body 3, the waterproof structure 21 comprises a plurality of sound outlet 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 to a direction far away from the rear cover body 20, and a waterproof membrane 22, a sheet metal part 23 and an elastic body 24 are sequentially arranged between the rear cover body 20 and the loudspeaker body 3, namely, towards the front cover 1, in a direction towards the loudspeaker body 3, wherein the waterproof membrane 22 comprises a first side 221, and the waterproof membrane 23 is further provided with a sound inlet hole 223 near the first side 231 of the waterproof membrane 22.
In this embodiment, as shown in fig. 3, a first waterproof back glue 221 having a shape 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 back glue 221, and the rear cover main body 20, the waterproof frame 24, the first waterproof back glue 221 and the waterproof membrane 22 together define a first accommodating space, and a second waterproof back glue 222 having a shape corresponding to the waterproof frame 24 and the ribs 212 is disposed between the waterproof membrane 22 and the sheet metal component 23, the sheet metal component 23 is fixed to a second surface of the waterproof membrane 22 different from the first surface by the second waterproof back glue 222, and the waterproof membrane 22, the second waterproof back glue 222 and the sheet metal component 23 together define a second accommodating space, so that liquid is blocked in the first accommodating space by the waterproof membrane 22, the first waterproof back glue 221 and does not enter the second accommodating space, thereby achieving better waterproof performance.
In the present embodiment, the waterproofing membrane 22 includes a second side 224 opposite to the first side 223, the sound emitting holes 211 are disposed on the rear cover main body 20 and correspond to the second side 224 of the waterproofing membrane 22, that is, the sound emitting holes 231 of the sheet metal part 23 are disposed closer to the first side 223 of the waterproofing membrane 22 and farther from the second side 224, and the sound emitting holes 211 are disposed on the rear cover main body 20 and adjacent to the second side 224 of the waterproofing membrane 22 and farther from the first side 223.
In the present embodiment, since the first waterproof adhesive tape 221 corresponding to the shape of the ribs 212 tightly bonds the ribs 212 with the waterproof membrane 22, the first accommodating space is limited by the ribs 212 to form a first path, so that when the liquid flows into the first accommodating space through the sound outlet holes 211 near the second side 224, the liquid flows along the first path from the position near the second side 224 to the direction far from the second side 224 and near the first side 223 in the first accommodating space, so that the pressure of the liquid is slowed down by the change of the flowing direction during the meandering along the first path, namely the liquid pressure is reduced, and the liquid pressure of the liquid flowing to the position near the first side 223 is lower than the liquid pressure of the liquid near 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 trunk 241 and a second trunk 242 opposite to the first trunk 241, wherein the first rib 2121 extends from the first trunk 241 toward the second trunk 242, the first rib 2121 is tightly combined with the rear cover main body 20, the second rib 2122 extends from the second trunk 242 toward the first trunk 241, the second rib 2122 is tightly combined with the rear cover main body 20, the first rib 2121 is connected with the first trunk 241 without being connected with the second trunk 242, the second rib 2122 is connected with the second trunk 242 without being connected with the first trunk 241, the first rib 2121 and the second rib 2122 are alternately arranged in the first accommodation space, thereby, the first waterproof frame 24, the first waterproof membrane 221 and the waterproof membrane 22 are in the same accommodation space as the first side frame 212, the rear cover main body 20, the waterproof frame 24, the first waterproof membrane 221 and the waterproof membrane 22 are in contact with the waterproof membrane 22 only in the waterproof frame 22, and the waterproof membrane 22 is not in contact with the corresponding waterproof membrane 22, and the waterproof membrane 22 is not in contact with the waterproof membrane 22 and the corresponding waterproof membrane 22.
In the present embodiment, the shape of the second waterproof adhesive 222 corresponds to the waterproof border 24 and the ribs 212, so the second waterproof adhesive 222 includes a third rib 2221 and a fourth rib 2222 corresponding to the first rib 2121 and the second rib 2122, and a third trunk 2223 and a fourth trunk 2224 corresponding to the first trunk 241 and the second trunk 242, respectively, the third trunk 2221, the fourth trunk 2222, the third rib 2223 and the fourth rib 2224 of the second waterproof adhesive 222 adhere to the second surface of the waterproof membrane 22 of the portion, whereby the third trunk 2223, the fourth trunk 2224, the third rib 2221 and the fourth rib 2222 of the second waterproof adhesive 222, the waterproof membrane 22 and the sheet metal part 23 together define the second path in the second accommodating space, so when the speaker main body 3 transmits sound through the sound inlet 231, the second accommodating space can be used as a sound box to generate resonance in the second accommodating space and transmit sound to the outside of the rear cover 2 through the first space and the sound outlet holes 211 by the waterproof membrane 22, namely, sound is transmitted from the rear cover 2 to the direction away from the front cover 1 and the rear cover 2 through the sound outlet holes 211, wherein when the first accommodating space is full of liquid, sound generated by the loudspeaker body 3 enters the second accommodating space through the sound inlet holes 231 near the first side 223 of the waterproof membrane 22 and is transmitted to the liquid in the first accommodating space along the second path near the second side 224 of the waterproof membrane 22 by resonance with the waterproof membrane 22, and is transmitted to the outside of the rear cover 2 through the sound outlet holes 211 by resonance with the liquid in the first accommodating space, when the first accommodating space is not filled with liquid, the sound generated by the speaker body 3 resonates in the second accommodating space and is transferred to the first accommodating space by resonating with the waterproof membrane 22, so that the sound generated by the speaker body 3 is transferred to the sound outlet holes 211 near the second side 224 of the waterproof membrane 22 through the first path and the second path, and is transferred to the outside of the rear cover 2 through the sound outlet holes 211. In this embodiment, the waterproof membrane 22 has a waterproof grade of IPX7.
In this embodiment, the material of the elastic body 24 is rubber.
In this embodiment, the sheet metal part 23 is made of copper.
In summary, according to the waterproof and sound-transmitting structure of the speaker of the present invention, by designing the waterproof structure 21, the staggered ribs 212 are designed on the rear cover main body 2 and cooperate with the waterproof membrane 22 and the sheet metal part 23, so that the bypass cavity generated in the waterproof structure 21 increases the distance from the sound outlet holes 211 to the sound inlet holes 231, thereby reducing the water pressure, effectively reducing the impact pressure of water column, preventing water from entering the product, and better protecting the product.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (7)
1. A waterproof sound-transmitting structure of a loudspeaker, comprising: the loudspeaker comprises a front cover, a rear cover, a loudspeaker main body arranged between the front cover and the rear cover, wherein the loudspeaker main body is fixed on the front cover, the rear cover comprises a rear cover main body, and the rear cover is provided with a waterproof structure at a position corresponding to the loudspeaker main body, and is characterized in that the waterproof structure also comprises a plurality of sound outlet holes formed by the rear cover main body, a waterproof frame and a plurality of ribs which extend from the rear cover main body to a direction far away from the rear cover main body, a waterproof diaphragm, a sheet metal part and an elastic body are sequentially arranged between the rear cover main body and the loudspeaker main body from the rear cover main body towards the front cover, wherein the waterproof diaphragm comprises a first side edge, a sound inlet hole is further arranged at the position, close to the first side edge of the waterproof diaphragm, of the sheet metal part,
The waterproof membrane comprises a second side edge opposite to the first side edge, the sound outlet holes are arranged on the rear cover main body and correspond to the second side edge of the waterproof membrane,
A first waterproof back glue with a shape corresponding to the waterproof frame and the ribs is arranged between the waterproof membrane and the rear cover main body, a first surface of the waterproof membrane is fixed on the waterproof frame and the ribs by the first waterproof back glue, and the rear cover main body, the waterproof frame, the first waterproof back glue and the waterproof membrane jointly define a first accommodating space,
A second waterproof back glue with a shape corresponding to the waterproof frame and the ribs is arranged between the waterproof diaphragm and the sheet metal part, the sheet metal part is fixed on a second surface of the waterproof diaphragm which is different from the first surface by the second waterproof back glue, and a second accommodating space is defined by the waterproof diaphragm, the second waterproof back glue and the sheet metal part together,
The ribs are arranged in the first accommodating space in a staggered manner so as to form a meandering first path in the first accommodating space from a position close to the second side edge to a direction far from the second side edge and close to the first side edge.
2. The speaker waterproofing and acoustically transparent structure of any one of claim 1 wherein the waterproofing membrane has a waterproofing rating of IPX7.
3. The speaker waterproof sound-transmitting structure according to claim 1, wherein the material of the elastic body is rubber.
4. The speaker waterproof sound-transmitting structure according to claim 1, wherein the sheet metal member is copper.
5. The speaker waterproof and sound-permeable structure according to claim 1, wherein the ribs comprise a first rib and a second rib, the waterproof frame comprises a first trunk and a second trunk opposite to the first trunk, 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 and not connected with the second trunk, the second rib is connected with the second trunk and not connected with the first trunk, and the first rib and the second rib are alternately arranged in the first accommodating space.
6. The speaker waterproof and sound-permeable structure according to claim 5, wherein a shape of a second waterproof back glue corresponds to the waterproof frame and the ribs, the second waterproof back glue includes a third rib and a fourth rib corresponding to the first rib and the second rib, respectively, and a third trunk and a fourth trunk corresponding to the first trunk and the second trunk, respectively, and the third trunk, the fourth trunk, the third rib and the fourth rib of the second waterproof back glue are adhered and fixed on the second face of the waterproof membrane.
7. A waterproof sound-transmitting structure of a loudspeaker, comprising: the front cover comprises a front cover body, a rear cover, a loudspeaker main body arranged between the front cover and the rear cover, the loudspeaker main body is fixed on the rear cover, the front cover comprises a front cover main body, and a waterproof structure is arranged on the front cover at a position corresponding to the loudspeaker main body, the loudspeaker main body is characterized in that the waterproof structure also comprises a plurality of sound outlet holes formed by the front cover main body, a waterproof frame and a plurality of ribs which extend from the front cover main body to a direction far away from the front cover main body, a waterproof diaphragm, a sheet metal part and an elastic body are sequentially arranged between the front cover main body and the loudspeaker main body from the front cover main body towards the rear cover, the waterproof diaphragm comprises a first side edge, a sound inlet hole is further arranged on the sheet metal part close to the first side edge of the waterproof diaphragm,
The waterproof membrane comprises a second side edge opposite to the first side edge, the sound outlet holes are arranged on the front cover main body and correspond to the second side edge of the waterproof membrane,
A first waterproof back glue with a shape corresponding to the waterproof frame and the ribs is arranged between the waterproof membrane and the front cover main body, a first surface of the waterproof membrane is fixed on the waterproof frame and the ribs by the first waterproof back glue, a first accommodating space is jointly defined by the front cover main body, the waterproof frame, the first waterproof back glue and the waterproof membrane, a second waterproof back glue with a shape corresponding to the waterproof frame and the ribs is arranged between the waterproof membrane and the sheet metal part, the sheet metal part is fixed on a second surface of the waterproof membrane different from the first surface by the second waterproof back glue, and a second accommodating space is jointly defined by the waterproof membrane, the second waterproof back glue and the sheet metal part,
The ribs are arranged in the first accommodating space in a staggered manner so as to form a meandering first path in the first accommodating space from a position close to the second side edge to a direction far from the second side edge and close to the first side edge.
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 CN113645548A (en) | 2021-11-12 |
| CN113645548B true CN113645548B (en) | 2024-04-19 |
Family
ID=78415213
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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| CN (1) | CN113645548B (en) |
Citations (6)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10034080B2 (en) * | 2016-10-27 | 2018-07-24 | AAC Technologies Pte. Ltd. | Speaker |
-
2020
- 2020-04-27 CN CN202010346265.2A patent/CN113645548B/en active Active
Patent Citations (6)
| 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 |
| 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 |
|---|---|
| CN113645548A (en) | 2021-11-12 |
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