CN112218217B - Voice coil loudspeaker voice coil with buffer structure stability is strong - Google Patents

Voice coil loudspeaker voice coil with buffer structure stability is strong Download PDF

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Publication number
CN112218217B
CN112218217B CN202011284443.XA CN202011284443A CN112218217B CN 112218217 B CN112218217 B CN 112218217B CN 202011284443 A CN202011284443 A CN 202011284443A CN 112218217 B CN112218217 B CN 112218217B
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voice coil
wall
shell
buffer structure
interlayer
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CN112218217A (en
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蔡禄军
陈陆涛
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Wuxi Jiefu Electroacoustic Co Ltd
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Wuxi Jiefu Electroacoustic Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/04Construction, mounting, or centering of coil
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/022Cooling arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • H04R9/027Air gaps using a magnetic fluid

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The invention belongs to the technical field of voice coils, and particularly relates to a voice coil with a buffering structure and high stability. According to the invention, the voice coil body and the interlayer are arranged, the voice coil body adopts a biaxial non-elastic wave design, the power can reach 10W, the former design can only reach 2-3W, the interlayer is added in the magnetic gap, and the interlayer is made of a high-molecular nano liquid material, so that the voice coil cannot transversely swing under the high-power working condition of a product, the phenomenon of coil collision is caused, and the service life of the voice coil can be effectively prolonged.

Description

Voice coil loudspeaker voice coil with buffer structure stability is strong
Technical Field
The invention relates to the technical field of voice coils, in particular to a voice coil with a buffer structure and high stability.
Background
The voice coil is defined directly as a coil through which an audio current passes, and is an important component of a vibration system of an electrodynamic loudspeaker, and can be said to be the heart of the loudspeaker. The performance of the voice coil affects the sound pressure frequency characteristics, sound pressure level, impedance curve, distortion, transient characteristics, speaker parameters, sound quality, etc. of the speaker, particularly with respect to the power rating and life of the speaker. Just as a fatal factor of heart disease, speaker damage often begins with the voice coil.
Through the retrieval, chinese patent is granted No. CN210351592U, discloses a voice coil diaphragm for reducing noise, including vibrating diaphragm body and voice coil loudspeaker voice coil, the vibrating diaphragm body includes outer connecting portion and indent vibration portion, through coaxial setting between vibrating diaphragm body, voice coil loudspeaker voice coil, elastic ring, the portion of bending, outer support ring, the interior support ring, the vibration is synchronous, is difficult to the polarization condition to appear, reduces the noise.
The above patent also has the following disadvantages: the voice coil can produce certain vibrations at the in-process of using, especially in the middle of the magnetic gap, great swing can appear in the voice coil, the phenomenon of bumping circle appears easily, but above-mentioned device does not continue to solve this condition, leads to the life of voice coil short.
Disclosure of Invention
Based on the technical scheme that the voice coil provided in the background technology can generate certain vibration in the using process, particularly the voice coil can generate larger vibration in the middle of a magnetic gap, and the phenomenon of coil collision is easy to occur, but the device does not continuously solve the problem, so that the technical problem that the service life of the voice coil is short is solved.
The voice coil with the buffering structure and high stability comprises an outer shell, wherein a voice coil body is arranged on the inner wall of the bottom of the outer shell, the voice coil body is of a double-shaft elastic-wave-free design structure, an interlayer is arranged inside the voice coil body, the inner wall of the interlayer is filled with a high-molecular nano liquid material, damping mechanisms are arranged on two sides of the inner wall of the outer shell, fixing rods are fixed to four corners of the inner wall of the outer shell through screws, a clamping groove is fixed to the other end of each fixing rod through a screw, and a dustproof net is clamped to the inner wall of the clamping groove.
Preferably, a fixing frame is fixed on the outer wall of one side of the shell through screws, and four corners of the outer wall of the top of the fixing frame are provided with mounting holes.
Preferably, the outer wall of the shell is provided with a cover body, and pull rings are arranged on two sides of the outer wall of the top of the cover body.
Preferably, the cover body and the shell are matched in specification, and the cover body is of a breathable structure.
Preferably, the damping mechanism comprises spring dampers which are distributed at equal intervals, and a buffer plate is arranged at the other ends of the spring dampers.
Preferably, the housing comprises a base plate, and a second shock absorption layer is arranged on the outer wall of one side of the base plate.
Preferably, one side outer wall of base plate is provided with first buffer layer, and the opposite side outer wall of first buffer layer is provided with the heat dissipation layer, at first the setting of first buffer layer and second buffer layer can prevent effectively that the shell from producing great rocking, spring damper and buffer board can prevent effectively that the inside of voice coil loudspeaker voice coil and shell from producing the collision, the voice coil loudspeaker voice coil has been reduced because the collision causes the possibility of damaging, these structures surround the voice coil loudspeaker voice coil body completely inside, omnidirectional physical protection is provided, the voice coil loudspeaker voice coil body can not with external force direct contact, the effectual practicality that improves the device.
Preferably, still include the temperature sensor who is fixed in shell one side inner wall through the screw, one side outer wall of shell is fixed with bee calling organ through the screw, and bee calling organ's signal input part is connected with the treater through the signal line, and temperature sensor's signal output part and the signal input end of treater are connected through the signal line, and temperature sensor detectable shell temperature value, temperature sensor give the treater with the signal transmission, and the treater acts on bee calling organ can remind people to put inside high temperature, avoids the voice coil loudspeaker voice coil impaired.
The beneficial effects of the invention are as follows:
1. this voice coil loudspeaker voice coil with buffer structure stability is strong through being provided with voice coil loudspeaker voice coil body and interlayer, and the voice coil loudspeaker voice coil body adopts the biax not to have the ripples design of playing, and power can reach 10W, and former this type of design can only reach 2-3W, adds the interlayer in the magnetic gap, and the interlayer is polymer nanometer liquid material for the product is under high-power operating condition, and the voice coil loudspeaker voice coil can not the transverse oscillation, causes to bump the circle phenomenon and appears, can effectual improvement voice coil loudspeaker voice coil's life.
2. This voice coil loudspeaker voice coil with buffer structure stability is strong through being provided with dead lever, joint groove and dust screen, connects the dust screen card in the inside of joint groove, is convenient for quick installs and dismantles the dust screen, because the lid is ventilative type, the dust can enter into the inside of device, and the setting of dust screen can effectively avoid the dust to cause the influence to the use of voice coil loudspeaker voice coil.
3. This voice coil loudspeaker voice coil with buffer structure stability is strong, through being provided with spring damper, the buffer board, first buffer layer and second buffer layer, at first setting up of first buffer layer and second buffer layer can prevent effectively that the shell from producing great rocking, spring damper and buffer board can prevent effectively that the inside of voice coil loudspeaker voice coil and shell from producing the collision, the voice coil loudspeaker voice coil has been reduced because the collision causes the possibility of damaging, these structures surround the voice coil loudspeaker voice coil body is complete inside, omnidirectional physical protection is provided, the voice coil loudspeaker voice coil body can not with external force direct contact, the effectual practicality that improves the device.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic structural diagram of a voice coil with a buffer structure and high stability according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a voice coil body having a voice coil with a strong buffer structure stability according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a heat dissipation layer having a voice coil with a buffer structure with high stability according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a temperature sensor having a voice coil with a buffer structure having strong stability according to embodiment 2 of the present invention.
In the figure: the loudspeaker comprises a shell 1, a fixing frame 2, a mounting hole 3, a clamping groove 4, a dust screen 5, a pull ring 6, a cover body 7, an interlayer 8, a fixing rod 9, a spring damper 10, a buffer plate 11, a voice coil body 12, a heat dissipation layer 13, a first damping layer 14, a base plate 15, a second damping layer 16, a buzzer 17 and a temperature sensor 18.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, a voice coil with a buffering structure and strong stability comprises a housing 1, wherein a voice coil body 12 is arranged on the inner wall of the bottom of the housing 1, the voice coil body 12 adopts a structure of a biaxial non-elastic wave design, an interlayer 8 is arranged inside the voice coil body 12, the inner wall of the interlayer 8 is filled with a polymer nano liquid material, damping mechanisms are arranged on both sides of the inner wall of the housing 1, fixing rods 9 are fixed on four corners of the inner wall of the housing 1 through screws, a clamping groove 4 is fixed on the other end of each fixing rod 9 through screws, a dustproof net 5 is clamped on the inner wall of the clamping groove 4, the voice coil body 12 adopts a biaxial non-elastic wave design, the power can reach 10W, the previous design can only reach 2-3W, the interlayer 8 is added in a magnetic gap, and the interlayer 8 is a polymer nano liquid material, so that the voice coil cannot transversely swing under a high-power working condition, cause and bump the circle phenomenon and appear, can effectual improvement voice coil loudspeaker voice coil's life, with 5 joints of dust screen in the inside of joint groove 4, be convenient for quick install and dismantle dust screen 5, because lid 7 is ventilative type, the dust can enter into the inside of device, the dust can effectively be avoided in setting up of dust screen 5 to cause the influence to the use of voice coil loudspeaker voice coil.
According to the invention, a fixing frame 2 is fixed on the outer wall of one side of a shell 1 through screws, mounting holes 3 are formed in four corners of the outer wall of the top of the fixing frame 2, a cover body 7 is arranged on the outer wall of the shell 1, and pull rings 6 are arranged on two sides of the outer wall of the top of the cover body 7.
In the invention, the cover body 7 is matched with the shell 1 in specification, and the cover body 7 is of a ventilating structure.
In the invention, the damping mechanism comprises spring dampers 10 which are distributed at equal intervals, and a buffer plate 11 is arranged at the other end of each spring damper 10.
In the present invention, the housing 1 includes a substrate 15, and a second damping layer 16 is disposed on an outer wall of one side of the substrate 15.
According to the invention, the first damping layer 14 is arranged on the outer wall of one side of the substrate 15, and the heat dissipation layer 13 is arranged on the outer wall of the other side of the first damping layer 14, so that the first damping layer 14 and the second damping layer 16 are arranged to effectively prevent the shell 1 from shaking greatly, the spring damper 10 and the buffer plate 11 can effectively prevent the voice coil from colliding with the inside of the shell 1, and the possibility of damage of the voice coil caused by collision is reduced.
The device is connected with a power supply, the voice coil body 12 adopts a double-shaft non-elastic-wave design, the power can reach 10W, the former design can only reach 2-3W, the interlayer 8 is added in a magnetic gap, the interlayer 8 is made of a high-molecular nano liquid material, so that the voice coil can not transversely swing under the high-power working condition of a product, the coil collision phenomenon can be caused, the service life of the voice coil can be effectively prolonged, the dustproof net 5 is clamped in the clamping groove 4, the dustproof net 5 can be conveniently and quickly installed and detached, dust can enter the device due to the ventilation type of the cover body 7, the dustproof net 5 can effectively avoid the influence of the dust on the use of the voice coil, the first damping layer 14 and the second damping layer 16 can effectively prevent the shell 1 from greatly swinging, and the spring shock absorber 10 and the buffer plate 11 can effectively prevent the voice coil from colliding with the inside of the shell 1, the possibility that the voice coil loudspeaker voice coil caused damage because of the collision is reduced, the voice coil loudspeaker voice coil body 12 is completely surrounded in the structure, the omnibearing physical protection is provided, the voice coil loudspeaker voice coil body 12 can not be in direct contact with external force, and the practicability of the device is effectively improved.
Example 2
Referring to fig. 4, a voice coil with a buffering structure and strong stability comprises a housing 1, wherein a voice coil body 12 is arranged on the inner wall of the bottom of the housing 1, the voice coil body 12 adopts a structure of a biaxial non-elastic wave design, an interlayer 8 is arranged inside the voice coil body 12, the inner wall of the interlayer 8 is filled with a polymer nano liquid material, damping mechanisms are arranged on both sides of the inner wall of the housing 1, fixing rods 9 are fixed on four corners of the inner wall of the housing 1 through screws, a clamping groove 4 is fixed on the other end of each fixing rod 9 through screws, a dustproof net 5 is clamped on the inner wall of the clamping groove 4, the voice coil body 12 adopts a biaxial non-elastic wave design, the power can reach 10W, the previous design can only reach 2-3W, the interlayer 8 is added in a magnetic gap, the interlayer 8 is a polymer nano liquid material, so that the voice coil cannot transversely swing under a high-power working condition, cause and bump the circle phenomenon and appear, can effectual improvement voice coil loudspeaker voice coil's life, with 5 joints of dust screen in the inside of joint groove 4, be convenient for quick install and dismantle dust screen 5, because lid 7 is ventilative type, the dust can enter into the inside of device, the dust can effectively be avoided in setting up of dust screen 5 to cause the influence to the use of voice coil loudspeaker voice coil.
According to the invention, a fixing frame 2 is fixed on the outer wall of one side of a shell 1 through screws, mounting holes 3 are formed in four corners of the outer wall of the top of the fixing frame 2, a cover body 7 is arranged on the outer wall of the shell 1, and pull rings 6 are arranged on two sides of the outer wall of the top of the cover body 7.
In the invention, the cover body 7 is matched with the shell 1 in specification, and the cover body 7 is of a ventilating structure.
In the invention, the damping mechanism comprises spring dampers 10 which are distributed at equal intervals, and a buffer plate 11 is arranged at the other end of each spring damper 10.
In the present invention, the housing 1 includes a substrate 15, and a second damping layer 16 is disposed on an outer wall of one side of the substrate 15.
According to the invention, the first damping layer 14 is arranged on the outer wall of one side of the substrate 15, and the heat dissipation layer 13 is arranged on the outer wall of the other side of the first damping layer 14, so that the first damping layer 14 and the second damping layer 16 are arranged to effectively prevent the shell 1 from shaking greatly, the spring damper 10 and the buffer plate 11 can effectively prevent the voice coil from colliding with the inside of the shell 1, and the possibility of damage of the voice coil caused by collision is reduced.
Compared with the embodiment 1, the temperature sensor 18 is further included and fixed on the inner wall of one side of the shell 1 through screws, the buzzer 17 is fixed on the outer wall of one side of the shell 1 through screws, the signal input end of the buzzer 17 is connected with the processor through a signal line, and the signal output end of the temperature sensor 18 is connected with the signal receiving end of the processor through a signal line.
The device is connected with a power supply, the voice coil body 12 adopts a double-shaft non-elastic-wave design, the power can reach 10W, the former design can only reach 2-3W, the interlayer 8 is added in a magnetic gap, the interlayer 8 is made of a high-molecular nano liquid material, so that the voice coil can not transversely swing under the high-power working condition of a product, the coil collision phenomenon can be caused, the service life of the voice coil can be effectively prolonged, the dustproof net 5 is clamped in the clamping groove 4, the dustproof net 5 can be conveniently and quickly installed and detached, dust can enter the device due to the ventilation type of the cover body 7, the dustproof net 5 can effectively avoid the influence of the dust on the use of the voice coil, the first damping layer 14 and the second damping layer 16 can effectively prevent the shell 1 from greatly swinging, and the spring shock absorber 10 and the buffer plate 11 can effectively prevent the voice coil from colliding with the inside of the shell 1, the voice coil loudspeaker voice coil has been reduced because the collision causes the possibility of damage, and these structures surround voice coil loudspeaker voice coil body 12 completely inside, provide omnidirectional physical protection, and voice coil loudspeaker voice coil body 12 can not with external force direct contact, the effectual practicality that improves the device, and 18 detectable shell temperature values of temperature sensor in addition, temperature sensor 18 give the treater with signal transmission, and the treater acts on bee calling organ 17 can remind people to put the inside high temperature of device, avoids the voice coil loudspeaker voice coil impaired.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a voice coil loudspeaker voice coil with buffer structure stability is strong, includes shell (1), its characterized in that, the bottom inner wall of shell (1) is provided with voice coil loudspeaker voice coil body (12), and voice coil loudspeaker voice coil body (12) adopt the structure of biax no bullet ripples design, the inside of voice coil loudspeaker voice coil body (12) is provided with interlayer (8), and the inner wall packing of interlayer (8) has polymer nanometer liquid material, the both sides inner wall that shell (1) is relative all is provided with damper, and the inner wall four corners of shell (1) all has dead lever (9) through the fix with screw, the other end of dead lever (9) has joint groove (4) through the fix with screw, and the inner wall joint of joint groove (4) has dust screen (5).
2. The voice coil with high stability of the buffering structure as claimed in claim 1, wherein a fixing frame (2) is fixed to one outer wall of the housing (1) through screws, and four corners of the outer wall of the top of the fixing frame (2) are provided with mounting holes (3).
3. The voice coil with high buffer structure stability according to claim 2, wherein the outer wall of the housing (1) is provided with a cover (7), and both sides of the top outer wall of the cover (7) are provided with pull rings (6).
4. A voice coil with buffer structure and high stability according to claim 3, wherein the cover (7) and the housing (1) are matched in specification, and the cover (7) is of a breathable structure.
5. A voice coil with a stable damping structure according to claim 1, wherein the damping mechanism comprises spring dampers (10) distributed at equal intervals, and the other ends of the spring dampers (10) are provided with damping plates (11).
6. A voice coil with buffer structure and strong stability according to claim 5, characterized in that the housing (1) comprises a substrate (15), and a second damping layer (16) is arranged on one side of the outer wall of the substrate (15).
7. A voice coil with buffer structure and strong stability according to claim 6, characterized in that the outer wall of one side of the substrate (15) is provided with a first damping layer (14), and the outer wall of the other side of the first damping layer (14) is provided with a heat dissipation layer (13).
8. The voice coil with the buffer structure and the strong stability according to claim 1, further comprising a temperature sensor (18) fixed on one side of the inner wall of the casing (1) by screws, wherein a buzzer (17) is fixed on one side of the outer wall of the casing (1) by screws, a signal input end of the buzzer (17) is connected with a processor by a signal line, and a signal output end of the temperature sensor (18) is connected with a signal receiving end of the processor by a signal line.
CN202011284443.XA 2020-11-17 2020-11-17 Voice coil loudspeaker voice coil with buffer structure stability is strong Active CN112218217B (en)

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CN112218217B true CN112218217B (en) 2021-09-07

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2114086A1 (en) * 2008-04-30 2009-11-04 Renault S.A.S. Ironless and leakage free coil transducer motor assembly
EP2166780A1 (en) * 2007-07-18 2010-03-24 Panasonic Corporation Vibration device and acoustic system
CN103873992A (en) * 2014-02-26 2014-06-18 谭红梅 Method and device for improving power of loudspeaker driver
CN206908825U (en) * 2017-03-30 2018-01-19 歌尔科技有限公司 Vibrational system and sound-producing device in a kind of sound-producing device
CN211656368U (en) * 2020-04-09 2020-10-09 北京小米移动软件有限公司 Audio playing device and electronic equipment

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7386144B2 (en) * 2004-11-24 2008-06-10 Revolution Acoustics, Ltd. Inertial voice type coil actuator
US7729504B2 (en) * 2006-02-14 2010-06-01 Ferrotec Corporation Ferrofluid centered voice coil speaker
CN101931842B (en) * 2009-06-26 2013-07-03 清华大学 Voice coil framework and loudspeaker
CN104796828B (en) * 2015-05-04 2018-05-01 歌尔股份有限公司 A kind of loudspeaker module
CN105848067B (en) * 2016-04-28 2019-11-08 歌尔股份有限公司 It is provided with the loudspeaker of vibration balanced structure
CN207505128U (en) * 2017-09-27 2018-06-15 嘉兴市金利达电子有限公司 A kind of loud speaker bilayer dust cover structure
CN207531001U (en) * 2017-12-16 2018-06-22 奉炜 A kind of taper paper trunk is bonded loudspeaker with voice coil screens
CN210351606U (en) * 2019-09-30 2020-04-17 连云港乐虎电子科技有限公司 Novel positioning support loudspeaker voice coil structure
CN210351592U (en) * 2019-09-30 2020-04-17 连云港韵至电子有限公司 Voice coil diaphragm for reducing noise
CN212727393U (en) * 2020-07-01 2021-03-16 惠州市凯思嘉实业有限公司 Four-wire plane voice coil loudspeaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2166780A1 (en) * 2007-07-18 2010-03-24 Panasonic Corporation Vibration device and acoustic system
EP2114086A1 (en) * 2008-04-30 2009-11-04 Renault S.A.S. Ironless and leakage free coil transducer motor assembly
CN103873992A (en) * 2014-02-26 2014-06-18 谭红梅 Method and device for improving power of loudspeaker driver
CN206908825U (en) * 2017-03-30 2018-01-19 歌尔科技有限公司 Vibrational system and sound-producing device in a kind of sound-producing device
CN211656368U (en) * 2020-04-09 2020-10-09 北京小米移动软件有限公司 Audio playing device and electronic equipment

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