CN113038352A - Digital sound amplification equipment with waterproof and low-temperature-resistant functions and use method thereof - Google Patents
Digital sound amplification equipment with waterproof and low-temperature-resistant functions and use method thereof Download PDFInfo
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- CN113038352A CN113038352A CN202011620293.5A CN202011620293A CN113038352A CN 113038352 A CN113038352 A CN 113038352A CN 202011620293 A CN202011620293 A CN 202011620293A CN 113038352 A CN113038352 A CN 113038352A
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- waterproof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
- H04R27/04—Electric megaphones
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- 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
- H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses digital sound amplification equipment with waterproof and low-temperature-resistant functions, which comprises a frustum pyramid-shaped stable base, a moisture-absorbing and splash-proof shielding piece, a damping spring, a sound amplification equipment body, a sound amplification port waterproof piece, a supporting column, a covering type top waterproof piece, a low-temperature-resistant heating piece and a telescopic suspension mounting device. The invention belongs to the technical field of sound reinforcement equipment, and particularly relates to digital sound reinforcement equipment with waterproof and low-temperature-resistant functions and a using method thereof.
Description
Technical Field
The invention belongs to the technical field of sound reinforcement equipment, and particularly relates to digital sound reinforcement equipment with waterproof and low-temperature-resistant functions and a using method thereof.
Background
The sound reinforcement equipment refers to a set of audio system which is combined by electrical equipment and emits sound, the sound reinforcement equipment refers to equipment which can convert audio signals into sound, and the popular saying is that a power amplifier is arranged in a main machine box body or a bass box body of the sound reinforcement equipment, the sound reinforcement equipment emits sound after amplifying the audio signals, and the sound is enlarged by the sound reinforcement equipment, and the terminal of the whole sound reinforcement equipment system.
The waterproof performance of the existing public address equipment of the public address equipment is poor, so that water can easily enter the inside of the public address equipment, certain damage can be caused to a circuit board and various electronic components inside the public address equipment, and the low-temperature resistance is poor.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides the digital sound amplifying equipment with the functions of water resistance and low temperature resistance and the using method thereof, the technical effect of high-efficiency water resistance on the sound amplifying equipment is realized by adopting a mode of combining various waterproof pieces, the using requirements under different conditions are met by adopting various using modes, the applicability is strong, and the sound amplifying equipment can be subjected to low temperature resistance and temperature rise operation.
The technical scheme adopted by the invention is as follows: the invention relates to digital sound amplification equipment with waterproof and low-temperature-resistant functions, which comprises a frustum pyramid-shaped stable base, a moisture-absorbing and splash-proof shielding piece, a damping spring, a sound amplification equipment body, a sound amplification port waterproof piece, a supporting column, a covering type top waterproof piece, a low-temperature-resistant heating piece and a telescopic suspension mounting device, the moisture absorption and splash prevention shielding piece is arranged on the upper wall of the frustum pyramid-shaped stable base, the damping spring is arranged on the moisture absorption and splash prevention shielding piece, the sound amplifying equipment body is arranged on the damping spring, the sound amplifying opening is arranged on the front wall of the sound amplifying equipment body, the sound amplifying port waterproof piece is arranged on the sound amplifying equipment body and is close to the sound amplifying port, the support column is arranged on the upper wall of the sound amplifying equipment body, the utility model discloses a loudspeaker shell, include support column, telescopic suspension installation device, support column, anti low temperature piece, telescopic suspension installation device, support column upper end is located to the waterproof piece in overlay type top, anti low temperature piece that heats is located on the inboard diapire of the waterproof piece in overlay type top, telescopic suspension installation device is located on the wall behind the loudspeaker shell body.
Furthermore, moisture absorption splashproof water shielding piece includes shielding plate and moisture absorption sponge layer, the shielding plate is located on the firm base upper wall of prismoid shape, the moisture absorption sponge layer is located on the shielding plate diapire.
Furthermore, the sound amplifying port comprises a first sound amplifying port and a second sound amplifying port, and the first sound amplifying port and the second sound amplifying port are respectively arranged on the sound amplifying device body.
Further, the waterproof piece of the sound amplifying port comprises a first waterproof piece of the sound amplifying port and a second waterproof piece of the sound amplifying port, the first waterproof piece of the sound amplifying port is arranged at the first position of the sound amplifying port, the second waterproof piece of the sound amplifying port is arranged at the second position of the sound amplifying port, and the width of the second waterproof piece of the sound amplifying port is larger than that of the first waterproof piece of the sound amplifying port.
Further, the waterproof piece in overlay type top includes waterproof roof of slope formula and waterproof enclosure, the waterproof roof of slope formula is located on the support column, waterproof enclosure symmetry is located the waterproof roof both sides of slope formula.
Further, telescopic suspension installation device includes telescopic link, fixed plate, expanding spring and suspension mounting panel, the telescopic link is located on the equipment body lateral wall of amplifying, the fixed plate is located on the telescopic link, expanding spring locates on the fixed plate, suspension mounting panel locates on the expanding spring.
Furthermore, the suspension mounting plate is provided with a mounting through hole.
The invention relates to a using method of digital sound amplifying equipment with waterproof and low-temperature resistant functions, which comprises the following steps:
1) when the suspension installation is not needed, the sound reinforcement equipment is placed on the ground to be subjected to sound reinforcement;
2) when the suspension mounting is needed, the telescopic rod is started, the telescopic rod stretches to drive the fixed plate to stretch, the fixed plate stretches to drive the telescopic spring to stretch, the telescopic spring stretches to drive the suspension mounting plate to stretch until the suspension mounting plate moves to a proper position, and the suspension mounting plate is mounted at a position with a suspension through the mounting through hole and the mounting screw;
3) the sound amplification device is started.
The invention with the structure has the following beneficial effects: the digital sound reinforcement equipment with the waterproof and low-temperature-resistant functions and the use method thereof adopt a mode of combining multiple waterproof pieces, realize the technical effect of high-efficiency and waterproof of the sound reinforcement equipment, adopt multiple use modes, meet the use requirements under different conditions, have strong applicability, and can carry out low-temperature-resistant and temperature-increasing operation on the sound reinforcement equipment.
Drawings
Fig. 1 is a schematic overall structure diagram of a digital sound reinforcement device with waterproof and low temperature resistant functions and a use method thereof according to the present invention;
fig. 2 is a left side view of the digital sound reinforcement apparatus with waterproof and low temperature resistant functions and the method of using the same of the present invention;
fig. 3 is a front view of the digital sound reinforcement apparatus with waterproof and low temperature resistant functions and the method of using the same of the present invention;
fig. 4 is a right side view of the digital sound reinforcement apparatus having waterproof and low temperature resistant functions and the method of using the same of the present invention;
fig. 5 is a rear view of the digital sound reinforcement apparatus having waterproof and low temperature resistant functions and the method of using the same of the present invention;
fig. 6 is a top view of the digital sound reinforcement apparatus with waterproof and low temperature resistant functions and the method for using the same according to the present invention;
fig. 7 is a bottom view of the digital sound reinforcement apparatus with waterproof and low temperature resistant functions and the method of using the same according to the present invention.
Wherein, 1, the firm base of prismoid shape, 2, moisture absorption splashproof shielding part, 3, damping spring, 4, the public address equipment body, 5, the public address mouth, 6, the waterproof piece of public address mouth, 7, the support column, 8, overlay type top waterproof piece, 9, the low temperature resistant piece that heats, 10, telescopic suspension installation device, 11, the shielding plate, 12, the moisture absorption sponge layer, 13, the public address mouth one, 14, the public address mouth two, 15, the public address mouth waterproof piece one, 16, the public address mouth waterproof piece two, 17, slope type waterproof roof, 18, waterproof enclosure, 19, the telescopic link, 20, the fixed plate, 21, expanding spring, 22, hang the mounting panel, 23, the installation through-hole.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, the digital sound reinforcement apparatus with waterproof and low temperature resistant functions of the present invention comprises a frustum pyramid shaped stabilizing base 1, a moisture absorption and splash proof shielding member 2, a damping spring 3, a sound reinforcement apparatus body 4, a sound reinforcement port 5 waterproof member, a supporting pillar 7, a covering type top waterproof member 8, a low temperature resistant and warming member 9 and a telescopic suspension mounting device 10, wherein the moisture absorption and splash proof shielding member 2 is disposed on the upper wall of the frustum pyramid shaped stabilizing base 1, the damping spring 3 is disposed on the moisture absorption and splash proof shielding member 2, the sound reinforcement apparatus body 4 is disposed on the damping spring 3, the sound reinforcement port 5 is disposed on the front wall of the sound reinforcement apparatus body 4, the sound reinforcement port 5 waterproof member is disposed on the sound reinforcement apparatus body 4 and close to the sound reinforcement port 5, the supporting pillar 7 is disposed on the upper wall of the sound reinforcement apparatus body 4, the covering type top waterproof member 8 is disposed on the supporting pillar 7, the low temperature resistant heating part 9 is arranged on the inner side bottom wall of the covering top waterproof part 8, and the telescopic suspension mounting device 10 is arranged on the rear wall of the sound reinforcement equipment body 4.
Furthermore, the moisture absorption and splash prevention shielding piece 2 comprises a shielding plate 11 and a moisture absorption sponge layer 12, wherein the shielding plate 11 is arranged on the upper wall of the frustum pyramid-shaped stable base 1, and the moisture absorption sponge layer 12 is arranged on the bottom wall of the shielding plate 11.
Further, the sound amplifying port 5 comprises a first sound amplifying port 13 and a second sound amplifying port 14, and the first sound amplifying port 13 and the second sound amplifying port 14 are respectively arranged on the sound amplifying device body 4.
Further, the waterproof piece of the sound expansion port 5 comprises a first waterproof piece 15 of the sound expansion port and a second waterproof piece 16 of the sound expansion port, the first waterproof piece of the sound expansion port 5 is arranged at the first 13 of the sound expansion port, the second waterproof piece 16 of the sound expansion port is arranged at the second 14 of the sound expansion port, and the width of the second waterproof piece 16 of the sound expansion port is larger than that of the first waterproof piece of the sound expansion port 5.
Further, the waterproof piece 8 in covering type top includes slope type waterproof roof 17 and waterproof enclosure 18, the slope type waterproof roof 17 is arranged on the support column 7, and the waterproof enclosure 18 is symmetrically arranged on two sides of the slope type waterproof roof 17.
Further, telescopic suspension installation device 10 includes telescopic link 19, fixed plate 20, expanding spring 21 and hangs mounting panel 22, telescopic link 19 is located on the lateral wall of sound amplification equipment body 4, fixed plate 20 is located on telescopic link 19, expanding spring 21 is located on fixed plate 20, hang mounting panel 22 and locate on expanding spring 21.
Further, the suspension mounting plate 22 is provided with a mounting through hole 23.
The invention relates to a using method of digital sound amplifying equipment with waterproof and low-temperature resistant functions, which comprises the following steps:
1) when the suspension installation is not needed, the sound reinforcement equipment is placed on the ground to be subjected to sound reinforcement;
2) when the suspension installation is needed, the telescopic rod 19 is started, the telescopic rod 19 stretches and retracts to drive the fixing plate 20 to stretch and retract, the fixing plate 20 stretches and retracts to drive the telescopic spring 21 to stretch and retract, the telescopic spring 21 stretches and retracts to drive the suspension installation plate 22 to stretch and retract until the suspension installation plate 22 moves to a proper position, and the suspension installation plate 22 is installed at a position with a suspension through the installation through hole 23 and the installation screw;
3) the sound amplification device is started.
When the sound amplifying device is used, a user places the sound amplifying device at a position with sound amplification, or starts the telescopic rod 19, the telescopic rod 19 is telescopic to drive the fixed plate 20 to stretch, the fixed plate 20 is telescopic to drive the telescopic spring 21 to stretch, the telescopic spring 21 is telescopic to drive the suspension mounting plate 22 to stretch until the suspension mounting plate 22 moves to a proper position, the suspension mounting plate 22 is mounted at the position with the sound amplification through the mounting through hole 23 and the mounting screw, when the sound amplifying device is impacted by external force, the telescopic spring 21 and the damping spring 3 buffer the force, the technical effect of damping is achieved, when water falls on the sound amplifying device, the water falls along the slope type waterproof top plate 17, meanwhile, under the action of the waterproof enclosure, water flows down along two sides and finally falls on the ground, when the water falls on the ground, a small amount of water splashes, and at the moment, splashed water drops are absorbed by the moisture absorption sponge layer 12, and is shielded by the shielding plate 11, so that water is effectively prevented from splashing on the sound reinforcement equipment, the whole working process is realized, and the step is repeated when the sound reinforcement equipment is used next time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a digital public address equipment with waterproof low temperature resistance function which characterized in that: including firm base of prismoid shape, moisture absorption splashproof water shielding piece, damping spring, public address equipment body, mouth of expanding, public address mouth waterproof piece, support column, covering type top waterproof piece, anti low temperature heating element and telescopic suspension installation device, moisture absorption splashproof water shielding piece is located on the firm base upper wall of prismoid shape, damping spring locates on the moisture absorption splashproof water shielding piece, public address equipment body locates on damping spring, the mouth of expanding is located on the public address equipment body antetheca, the mouth of expanding waterproof piece is located on the public address equipment body and is close to the mouth of expanding, the support column is located on the public address equipment body upper wall, covering type top waterproof piece is located the support column upper end, anti low temperature heating element is located on the inboard diapire of covering type top waterproof piece, telescopic suspension installation device is located on the public address equipment body rear wall.
2. The digital sound reinforcement equipment with waterproof and low temperature resistant functions of claim 1, characterized in that: the moisture absorption splashproof shielding piece includes shielding plate and moisture absorption sponge layer, the shielding plate is located on the firm base upper wall of prismoid shape, the moisture absorption sponge layer is located on the shielding plate diapire.
3. The digital sound reinforcement equipment with waterproof and low temperature resistant functions of claim 2, wherein: the sound amplifying port comprises a first sound amplifying port and a second sound amplifying port, and the first sound amplifying port and the second sound amplifying port are respectively arranged on the sound amplifying equipment body.
4. The digital sound reinforcement equipment with waterproof and low temperature resistant functions of claim 3, wherein: the waterproof piece of the sound amplifying port comprises a first waterproof piece of the sound amplifying port and a second waterproof piece of the sound amplifying port, the first waterproof piece of the sound amplifying port is arranged at the first position of the sound amplifying port, the second waterproof piece of the sound amplifying port is arranged at the second position of the sound amplifying port, and the width of the second waterproof piece of the sound amplifying port is larger than that of the first waterproof piece of the sound amplifying port.
5. The digital sound reinforcement equipment with waterproof and low temperature resistant functions of claim 4, wherein: the waterproof piece in overlay type top includes slope waterproof roof and waterproof enclosure, slope waterproof roof locates on the support column, slope waterproof roof both sides are located to waterproof enclosure symmetry.
6. The digital sound amplifying device with waterproof and low temperature resistant functions and the use method thereof as claimed in claim 5, wherein: the telescopic suspension mounting device comprises a telescopic rod, a fixed plate, a telescopic spring and a suspension mounting plate, wherein the telescopic rod is arranged on the side wall of the sound reinforcement equipment body, the fixed plate is arranged on the telescopic rod, the telescopic spring is arranged on the fixed plate, and the suspension mounting plate is arranged on the telescopic spring.
7. The digital sound reinforcement equipment with waterproof and low temperature resistant functions of claim 6, wherein: and the suspension mounting plate is provided with a mounting through hole.
8. The use method of the digital sound amplification equipment with the waterproof and low-temperature-resistant functions is characterized by comprising the following steps of:
1) when the suspension installation is not needed, the sound reinforcement equipment is placed on the ground to be subjected to sound reinforcement;
2) when the suspension mounting is needed, the telescopic rod is started, the telescopic rod stretches to drive the fixed plate to stretch, the fixed plate stretches to drive the telescopic spring to stretch, the telescopic spring stretches to drive the suspension mounting plate to stretch until the suspension mounting plate moves to a proper position, and the suspension mounting plate is mounted at a position with a suspension through the mounting through hole and the mounting screw;
3) the sound amplification device is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011620293.5A CN113038352A (en) | 2021-05-24 | 2021-05-24 | Digital sound amplification equipment with waterproof and low-temperature-resistant functions and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011620293.5A CN113038352A (en) | 2021-05-24 | 2021-05-24 | Digital sound amplification equipment with waterproof and low-temperature-resistant functions and use method thereof |
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| CN113038352A true CN113038352A (en) | 2021-06-25 |
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| CN202011620293.5A Pending CN113038352A (en) | 2021-05-24 | 2021-05-24 | Digital sound amplification equipment with waterproof and low-temperature-resistant functions and use method thereof |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6070694A (en) * | 1998-09-04 | 2000-06-06 | Niles Audio Corporation, Inc. | Loudspeaker assembly |
| CN105451106A (en) * | 2015-11-30 | 2016-03-30 | 曾卓 | Waterproof sound box |
| CN207835758U (en) * | 2017-12-30 | 2018-09-07 | 广州市天博音响科技有限公司 | A kind of wireless acoustics lamp |
| CN208754479U (en) * | 2018-09-08 | 2019-04-16 | 东莞市爱毅洋电子科技有限公司 | A kind of mounting structure with corrosion proof function loudspeaker |
| CN209184789U (en) * | 2018-12-27 | 2019-07-30 | 深圳市爱卓依科技有限公司 | A kind of outdoor water-proof sound equipment |
| CN210120629U (en) * | 2019-06-10 | 2020-02-28 | 商丘师范学院 | Waterproof bathroom sound box |
| CN210432168U (en) * | 2019-07-23 | 2020-04-28 | 合肥中亚传感器有限责任公司 | Wall-mounted large-screen digital display control instrument |
| CN210609539U (en) * | 2019-07-26 | 2020-05-22 | 广州市韵强电子有限公司 | High-efficient waterproof audio amplifier |
| CN210839953U (en) * | 2019-11-22 | 2020-06-23 | 赖燕红 | Stereo set with splashproof and prevent falling function |
| CN210868032U (en) * | 2019-09-11 | 2020-06-26 | 天津市绿色视野广告发展有限公司 | Outdoor stereo set with prevention of seepage water function |
| CN210927919U (en) * | 2020-03-16 | 2020-07-03 | 重庆电子工程职业学院 | Waterproof computer audio amplifier |
| CN211063741U (en) * | 2019-12-23 | 2020-07-21 | 广州市新誉信息技术有限公司 | Coaxial wall-mounted sound box |
| CN211267043U (en) * | 2019-12-30 | 2020-08-14 | 梁土林 | Bluetooth speaker is with audio amplifier casing that thermal diffusivity is strong |
| CN212486728U (en) * | 2020-08-18 | 2021-02-05 | 深圳市俊佳豪科技有限公司 | Waterproof stereo set that barrier propterty is good |
| CN212727304U (en) * | 2020-07-01 | 2021-03-16 | 宿迁宏立建设工程有限公司 | A watertight fittings for park stereo set |
| CN213126346U (en) * | 2020-09-03 | 2021-05-04 | 程子越 | Sound box with good dehumidification effect |
-
2021
- 2021-05-24 CN CN202011620293.5A patent/CN113038352A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6070694A (en) * | 1998-09-04 | 2000-06-06 | Niles Audio Corporation, Inc. | Loudspeaker assembly |
| CN105451106A (en) * | 2015-11-30 | 2016-03-30 | 曾卓 | Waterproof sound box |
| CN207835758U (en) * | 2017-12-30 | 2018-09-07 | 广州市天博音响科技有限公司 | A kind of wireless acoustics lamp |
| CN208754479U (en) * | 2018-09-08 | 2019-04-16 | 东莞市爱毅洋电子科技有限公司 | A kind of mounting structure with corrosion proof function loudspeaker |
| CN209184789U (en) * | 2018-12-27 | 2019-07-30 | 深圳市爱卓依科技有限公司 | A kind of outdoor water-proof sound equipment |
| CN210120629U (en) * | 2019-06-10 | 2020-02-28 | 商丘师范学院 | Waterproof bathroom sound box |
| CN210432168U (en) * | 2019-07-23 | 2020-04-28 | 合肥中亚传感器有限责任公司 | Wall-mounted large-screen digital display control instrument |
| CN210609539U (en) * | 2019-07-26 | 2020-05-22 | 广州市韵强电子有限公司 | High-efficient waterproof audio amplifier |
| CN210868032U (en) * | 2019-09-11 | 2020-06-26 | 天津市绿色视野广告发展有限公司 | Outdoor stereo set with prevention of seepage water function |
| CN210839953U (en) * | 2019-11-22 | 2020-06-23 | 赖燕红 | Stereo set with splashproof and prevent falling function |
| CN211063741U (en) * | 2019-12-23 | 2020-07-21 | 广州市新誉信息技术有限公司 | Coaxial wall-mounted sound box |
| CN211267043U (en) * | 2019-12-30 | 2020-08-14 | 梁土林 | Bluetooth speaker is with audio amplifier casing that thermal diffusivity is strong |
| CN210927919U (en) * | 2020-03-16 | 2020-07-03 | 重庆电子工程职业学院 | Waterproof computer audio amplifier |
| CN212727304U (en) * | 2020-07-01 | 2021-03-16 | 宿迁宏立建设工程有限公司 | A watertight fittings for park stereo set |
| CN212486728U (en) * | 2020-08-18 | 2021-02-05 | 深圳市俊佳豪科技有限公司 | Waterproof stereo set that barrier propterty is good |
| CN213126346U (en) * | 2020-09-03 | 2021-05-04 | 程子越 | Sound box with good dehumidification effect |
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Application publication date: 20210625 |
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