WO2022061986A1 - Boîtier de haut-parleur et terminal mobile - Google Patents

Boîtier de haut-parleur et terminal mobile Download PDF

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Publication number
WO2022061986A1
WO2022061986A1 PCT/CN2020/120991 CN2020120991W WO2022061986A1 WO 2022061986 A1 WO2022061986 A1 WO 2022061986A1 CN 2020120991 W CN2020120991 W CN 2020120991W WO 2022061986 A1 WO2022061986 A1 WO 2022061986A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound
panel
diaphragm
transverse plate
cavity
Prior art date
Application number
PCT/CN2020/120991
Other languages
English (en)
Chinese (zh)
Inventor
吴军
杨虎虎
任圣
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022061986A1 publication Critical patent/WO2022061986A1/fr

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Classifications

    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • 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

Definitions

  • the present application relates to the technical field of acoustic-electrical conversion, and in particular, to a speaker box and a mobile terminal.
  • smartphones In the era of mobile Internet, smartphones have become the most common and convenient mobile terminal devices. At present, smartphones have various functions, one of which is to provide high-quality music functions, so speaker boxes for playing sound are widely used in smart mobile devices.
  • the existing speaker box generally has a speaker function, but does not have both the function of speaker and receiver at the same time. At the same time, the structure of the speaker box is not compact enough to meet the technical requirements of the miniaturization development trend of smart mobile devices.
  • One of the objectives of the present application is to provide a speaker box, which can realize the functions of speaking and receiving, and has a nested structure while realizing the functions of speaking and receiving, so as to improve the compact structure of the speaker box to meet the needs of miniaturization and development of mobile terminals.
  • a speaker box comprising a box body with an accommodating cavity and a sound generating unit arranged in the accommodating cavity, the box body comprising a first panel, a A second panel opposite to the panel and a shroud connected between the first panel and the second panel; the shroud is provided with a first sound outlet, and the second panel is pierced through There is a second sound hole;
  • the sound generating unit includes a basin frame, a magnetic bowl, a first vibration system, a second vibration system, a first magnetic circuit system for driving the first vibration system to sound, and a magnetic circuit system for driving the second vibration system to sound. the second magnetic circuit system;
  • the basin frame is connected to the box body, and the basin frame has a hollow inner hole;
  • the magnetic bowl includes a connecting part connected with one end of the bowl frame and an embedded part extending from the connecting part and passing through the hollow inner hole, the embedded part has a concave cavity, and the concave cavity has a cavity opening opened toward the second sound outlet;
  • the first magnetic circuit system is arranged in the cavity, and the first magnetic circuit system has a first magnetic gap
  • the first vibration system includes a first diaphragm connected to the magnetic bowl and a first voice coil, one end of which is inserted in the first magnetic gap and used to drive the first diaphragm to emit sound;
  • the second magnetic circuit system is arranged between the outer wall of the embedded portion and the inner side wall of the hollow inner hole, and the second magnetic circuit system has a second magnetic gap;
  • the second vibration system includes a second diaphragm connected to the other end of the basin frame and a second voice coil, one end of which is inserted in the second magnetic gap and used to drive the second diaphragm to emit sound, so A first front acoustic cavity communicated with the first sound outlet hole is formed between the second diaphragm and the box body.
  • the embedded portion includes a first transverse plate disposed opposite to the second sound outlet hole and an annular longitudinal plate extending from the edge of the first transverse plate toward the first diaphragm, the the first transverse plate and the annular longitudinal plate enclose the cavity;
  • the connecting portion is a second transverse plate extending from an end of the annular longitudinal plate away from the first transverse plate in a direction away from the cavity opening.
  • the first magnetic circuit system includes a first main magnetic steel, a first auxiliary magnetic steel, a first main pole core, and a first auxiliary pole core;
  • Both the first main magnetic steel and the first auxiliary magnetic steel are stacked on the first transverse plate, and the first auxiliary magnetic steel is arranged at intervals on the outer circumference of the first main magnetic steel and is connected with the first main magnetic steel. the first main magnetic steel is enclosed to form the first magnetic gap;
  • the first main pole core is stacked on the surface of the first main magnetic steel facing the first diaphragm; the first secondary pole core is stacked on the first auxiliary magnetic steel facing the first vibration film the surface of the membrane.
  • the second magnetic circuit system includes a second main magnetic steel, a second auxiliary magnetic steel, a second main pole core, and a second auxiliary pole core;
  • the second main pole core is stacked on the surface of the second main magnetic steel facing the second diaphragm; the second secondary pole core is stacked on the second auxiliary magnetic steel facing the second vibration film membrane.
  • the basin frame is provided with a groove for connecting the accommodating cavity and the hollow inner hole; the first transverse plate and/or the annular longitudinal plate is provided with a hollow inner hole. a through hole communicating with the cavity.
  • the first secondary pole core is provided with a gap that communicates with the through hole; the second main magnetic steel is provided with a first escape port communicated with the through hole; the second main pole core is provided with There is a second escape port communicating with the first escape port.
  • the box body further includes a sound guide channel, and the sound guide channel extends from the annular support platform where the opening is provided.
  • the part extends to the part of the enclosure plate where the first sound outlet hole is arranged, and the sound guide channel is provided with a communication hole connecting the opening and the first sound outlet hole through.
  • a sealing member for sealing the terminal panel and the second panel is further provided between the terminal panel and the second panel.
  • the beneficial effect of the present application is that: in the speaker box provided by the present application, a first sound outlet hole is arranged on the enclosure of the box body and a second sound outlet hole is arranged on the second panel.
  • a first vibration system matched with a hole and a first magnetic circuit system that drives the first vibration system to sound, a second vibration system that cooperates with the first sound outlet hole, and a second magnetic circuit system that drives the second vibration system to sound , so that the speaker box can realize sound in two directions
  • the first vibration system, the first magnetic circuit system and the second sound outlet constitute the speaker assembly, and the second vibration system, the second magnetic circuit system and the first sound outlet
  • the hole constitutes a receiver assembly, so that the speaker box has the functions of speaking and receiving; in addition, the first vibration system and the first magnetic circuit system are arranged in the cavity of the magnetic bowl with the cavity structure, and the second vibration system, the first magnetic circuit system
  • the two magnetic circuit systems are arranged outside the cavity of the magnetic bowl, and the sound generation system composed of the first vibration system and the
  • the mobile terminal provided by the present application because it adopts the above-mentioned speaker box, the mobile terminal has the functions of speaking and receiving.
  • the terminal can be miniaturized.
  • FIG. 1 is a schematic three-dimensional structure diagram of a speaker box provided by an embodiment of the present application.
  • Fig. 2 is the sectional schematic diagram of A-A in Fig. 1;
  • Fig. 3 is the sectional schematic diagram of B-B in Fig. 1;
  • Fig. 4 is the schematic sectional view of C-D-D-C in Fig. 1;
  • Fig. 5 is the A-A cross-sectional schematic diagram of the sounding monomer after the dismantling of the box body of Fig. 1;
  • Fig. 6 is the exploded schematic diagram of Fig. 1;
  • FIG. 7 is a perspective view of the box body after the second panel is removed
  • Fig. 8 is a three-dimensional schematic diagram of a basin frame
  • FIG. 9 is a three-dimensional schematic diagram of a magnetic bowl
  • FIG. 11 is a three-dimensional schematic diagram of the second main pole core
  • FIG. 12 is a schematic perspective view of a mobile terminal
  • Figure 13 is a schematic cross-sectional view of E-E in Figure 12;
  • the speaker box 100 provided by the embodiment of the present application includes a box body 10 and a sound-generating unit 200 .
  • the box body 10 has a accommodating cavity 100 a
  • the sound-generating unit 200 is arranged in the accommodating cavity 100 a
  • the sound generating unit 200 includes a basin frame 20 , a magnetic bowl 30 , a first vibration system 40 , a second vibration system 50 , a first magnetic circuit system 60 and a second magnetic circuit system 70 .
  • the box body 10 includes a first panel 11 , a second panel 12 disposed opposite to the first panel 11 , and an enclosure panel 13 connected between the first panel 11 and the second panel 12 , and the enclosure panel 13 is provided with
  • the first sound outlet 14 is provided with a second sound outlet 15 through the second panel 12 .
  • the basin frame 20 is connected with the box body 10, and the basin frame 20 has a hollow inner hole 21;
  • the magnetic bowl 30 includes a connecting part 31 connected with one end of the basin frame 20 and an embedded part extending from the connecting part 31 and passing through the hollow inner hole 21 32.
  • the embedded portion 32 has a cavity 321, and the cavity 321 has a cavity 3211 that is open to the second sound outlet 15.
  • the first magnetic circuit system 60 is arranged in the cavity 321 for driving the first vibration system 40. Sound, the first magnetic circuit system 60 has a first magnetic gap 61, the first vibration system 40 includes a first diaphragm 41 connected to the magnetic bowl 30, and one end is inserted into the first magnetic gap 61 for driving the first vibration.
  • the first voice coil 42 of the membrane 41 emits sound;
  • the second magnetic circuit system 70 is arranged between the outer wall of the embedded portion 32 and the inner wall of the hollow inner hole 21, and the second magnetic circuit system 70 is used to drive the second vibration system 50 to emit sound ,
  • the second magnetic circuit system 70 has a second magnetic gap 71;
  • the second vibration system 50 includes a second diaphragm 51 connected to the other end of the basin frame 20, and one end is inserted into the second magnetic gap 71 and used to drive the second diaphragm 51.
  • the first vibration system 40 and the first magnetic circuit system 60 for driving the first vibration system 40 to emit sound are installed in the cavity 321 of the magnetic bowl 30 through the magnetic bowl 30 , and the first vibration system 40 is installed in the cavity 321 of the magnetic bowl 30 .
  • the second vibration system 50 and the second magnetic circuit system 70 for driving the second vibration system 50 to emit sound are installed on the part outside the cavity 321 of the magnetic bowl 30 and between the inner wall of the hollow inner hole 21 of the basin frame 20,
  • the enclosure 13 of the box body 10 is provided with a first sound outlet 14 .
  • the first sound outlet 14 forms a sound system with the second vibration system 50 and the second magnetic circuit system 70 .
  • the speaker box 100 can realize sound in two directions. , and has the function of speaker and receiver.
  • the first vibration system 40 and the first magnetic circuit system 60 are arranged in the cavity 321, while the second vibration system 50 and the second magnetic circuit system 70 are arranged outside the cavity 321, the two parts form a nested structure, The structural compactness of the speaker box 100 is improved.
  • the box body 10 includes an annular support table 16 extending from the first panel 11 and protruding from the accommodating cavity 100 a.
  • the annular support table 16 is arranged opposite to the connecting portion 31 at intervals.
  • the second vibration system 50 and the second magnetic circuit system 70 is arranged between the annular support table 16 and the connecting portion 31 , the second diaphragm 51 is enclosed with the annular support table 16 and the first panel 11 to form the first front acoustic cavity 300 , and the annular support table 16
  • An opening 161 is provided for communicating the first front acoustic cavity 300 and the first sound outlet 14 .
  • the box body 10 further includes a sound guide channel 17 , and the sound guide channel 17 extends from the portion of the annular support platform 16 where the opening 161 is provided to the enclosure plate. 13 is provided with the first sound outlet hole 14 , and the sound guide channel 17 runs through the communication hole 171 which is provided with the communication opening 161 and the first sound outlet hole 14 .
  • the annular support table 16 includes an annular support portion 162 protruding on the first panel 11 and a limiting portion 163 extending and protruding from the end surface of the annular support portion 162 away from the first panel 11 toward the connecting portion 31 .
  • the diaphragm 51 is clamped and fixed on the annular support portion 162 , the limiting portion 163 abuts on the end of the second diaphragm 51 , and the limiting portion 163 also abuts on the outer wall of the basin frame 20 close to the second diaphragm 51 .
  • the limiting portion 163 can effectively limit the movement of the second diaphragm 51 in the non-vibration direction, and at the same time, the limiting portion 163 can also effectively limit the basin frame 20 .
  • the annular support 16, the sound guide channel 17 and the first panel 11 are integrally formed.
  • the annular support 16 and the sound guide channel 17 may be welded with the first panel 11 respectively.
  • a panel 11 is fixed and formed, and the annular support platform 16 and the sound guide channel 17 and between the sound guide channel 17 and the enclosure plate 13 can also be fixed and formed by welding, but are not limited to these two methods.
  • the embedded portion 32 of the magnetic bowl 30 includes a first transverse plate 322 and an annular longitudinal plate 323 , wherein the first transverse plate 322 and the second sound outlet 15 are arranged opposite to each other at intervals,
  • the annular longitudinal plate 323 extends from the edge of the first transverse plate 322 toward the first diaphragm 41 , and the concave cavity 321 is formed by the first transverse plate 322 and the annular longitudinal plate 323 .
  • the connecting portion 31 of the magnetic bowl 30 is the second transverse plate 311 , the second transverse plate 311 extends from the end of the annular longitudinal plate 323 away from the first transverse plate 322 toward the direction away from the cavity 3211 , the second transverse plate 311 Connected to the pot frame 20.
  • the first accommodating space of the first magnetic circuit system 60 is enclosed by the first diaphragm 41 and the cavity 321 , and the second diaphragm 51 , the basin frame 20 , the first transverse plate 322 , the annular longitudinal The plate 323 and the second transverse plate 311 enclose a second accommodating space for the second magnetic circuit system 70 , so that the first vibration system 40 , the first magnetic circuit system 60 , the second vibration system 50 , and the second magnetic circuit system 70 are formed Nested structure.
  • the basin frame 20 is provided with a groove 231 , and the groove 231 is used to communicate with the accommodating cavity 100 a and the hollow inner hole 21 , and the design of the groove 231 is favorable for gas flow.
  • the first transverse plate 322 and/or the annular longitudinal plate 323 are provided with through holes 3221 , and the through holes 3221 are used to communicate with the hollow inner hole 21 and the cavity 321 .
  • the groove 231 and the through hole 3221 are designed so that the accommodating cavity 100a of the box body 10, the hollow inner hole 21 and the cavity 321 of the magnetic bowl 30 communicate with each other.
  • the communication between the groove 231 and the through hole 3221 is beneficial to The flow of gas adjusts the air pressure inside and outside the accommodating cavity 100 a and the cavity 321 , thereby improving the acoustic performance of the speaker box 100 .
  • the basin frame 20 includes a hollow frame body 22 and an extension arm 23 .
  • the extension arm 23 extends from the hollow frame body 22 toward the second transverse plate 311 and is connected to the second transverse plate 311 , wherein the extension arm 23 includes two first transverse plates 311 .
  • the extension arm 232 and the two second extension arms 233 wherein the two first extension arms 232 extend from the hollow frame 22 toward the second transverse plate 311 and are connected with the second transverse plate 311, and the two first extension arms 232 are opposite to each other
  • the two second extension arms 233 extend from the hollow frame 22 toward the second transverse plate 311 and are connected to the second transverse plate 311 , and the two second extension arms 233 are disposed opposite to each other, and the adjacent first extension arms 232 and the second extending arm 233 enclose the groove 231 .
  • the first transverse plate 322 and/or the annular longitudinal plate 323 are provided with four through holes 3221 .
  • the four grooves 231 thus formed connect the accommodating cavity 100a with the hollow inner hole 21, and the four through holes 3221 connect the hollow inner hole 21 with the cavity 321, which is more conducive to the adjustment of air pressure, thereby The acoustic performance of the speaker cabinet 100 can be further improved.
  • the number of grooves 231 is not limited to one or four, but also two number, three or others.
  • the number of through holes 3221 is not limited to one or four, but may also be two, three or others.
  • the first magnetic circuit system 60 includes a first main magnetic steel 62 , a first auxiliary magnetic steel 63 , a first main pole core 64 , and a first auxiliary pole core 65 ;
  • the steel 62 is stacked on the first transverse plate 322 (located in the cavity 321 );
  • the first secondary magnetic steel 63 is stacked on the first transverse plate 322 (located in the cavity 321 ), and the first secondary magnetic steel 63 is spaced apart on the outer circumference of the first main magnetic steel 62, and encloses with the first main magnetic steel 62 to form a first magnetic gap 61;
  • the first main pole core 64 is stacked on the surface of the first main magnetic steel 62 facing the first diaphragm 41 ;
  • the first secondary pole core 65 is stacked on the surface of the first secondary magnetic steel 63 facing the first diaphragm 41 .
  • the first main magnetic steel 62 is stacked on the part of the first transverse plate 322 that avoids the through hole 3221 ; similarly, the first secondary magnetic steel 63 is stacked on the part of the first transverse plate 322 that avoids the through hole 3221 ;
  • the first secondary pole core 65 is a piece, on which there is a gap 651 that communicates with the through hole 3221.
  • the first secondary magnets 63 include four, wherein two of the first secondary magnets 63 are oppositely arranged at an opposite end of the first main magnet 62 , and the other two first secondary magnets 63 are oppositely arranged at The other opposite end of the first main magnetic steel 62 and the four first auxiliary magnetic steels 63 are stacked on the part of the first transverse plate 322 avoiding the through hole 3221 to facilitate gas flow.
  • the number of the first secondary magnetic steels 63 is not limited to four, and may be other numbers, or the first secondary magnetic steel 63 may be a ring-shaped structure with through holes provided on it. 3221 matching air vents.
  • the first magnetic circuit system 60 and the first vibration system 40 form a sound system, which can generate sound and transmit it through the second sound hole 15 .
  • the first magnetic circuit system 60 is disposed in the cavity 321 , which can reduce the space occupied by the first magnetic circuit system 60 in the speaker cabinet 100 and improve the structural compactness of the speaker cabinet 100 .
  • the second magnetic circuit system 70 includes a second main magnetic steel 72 , a second secondary magnetic steel 73 , a second main pole core 74 , and a second auxiliary pole core 75 ;
  • the second main magnetic The steel 72 is stacked on the first transverse plate 322, and the second secondary magnetic steel 73 is stacked on the connecting portion 31 (ie, the second transverse plate 311) and is enclosed with the second main magnetic steel 72 to form a second magnetic gap 71;
  • the second main pole core 74 is stacked on the surface of the second main magnetic steel 72 facing the second diaphragm 51 ;
  • the second secondary pole core 75 is stacked on the surface of the second auxiliary magnetic steel 73 facing the second diaphragm 51 .
  • the second main magnet 72 is provided with a first escape port 721 that communicates with the through hole 3221 of the first transverse plate 322 to facilitate gas circulation, and the second main magnet 72 is stacked on the first transverse plate 322 to avoid The position of the opening hole 3221 is opened, and the first escape port 721 and the through hole 3221 are communicated with each other;
  • the pole core 74 is stacked on the part of the second main magnet 72 that avoids the first escape port 721 , so that the second escape port 741 , the first escape port 721 and the through hole 3221 communicate with each other to facilitate gas circulation.
  • the second secondary magnetic steel 73 includes four, wherein two second secondary magnetic steels 73 are respectively disposed at opposite ends of the second main magnetic steel 72 and connected to the connecting portion 31 (ie, the second transverse plate 311 ). connected, and the other two second secondary magnetic steels 73 are respectively disposed at the other opposite ends of the second main magnetic steel 72 and connected with the connecting portion 31 (ie, the second transverse plate 311 ).
  • the number of the second secondary magnets 73 is not limited to four, and can also be other numbers, or the second secondary magnets 73 can be annular structures with through holes provided on them. 3221 matching air vents.
  • the second secondary pole core 75 is one piece.
  • the second magnetic circuit system 70 and the second vibration system 50 constitute another sound system, which can generate sound and transmit it through the first sound hole 14 .
  • the second magnetic circuit system 70 is arranged outside the cavity 321 , especially the second secondary magnetic steel 73 is arranged on the connecting portion 31 (the second transverse plate 311 ), which can also reduce the occupation of the second magnetic circuit system 70 in the speaker box 100 . space and improve the compactness of the speaker box 100 .
  • the first vibration system 40 further includes a first dome 43 .
  • the first dome 43 is stacked on the surface of the first diaphragm 41 facing the first magnetic circuit system 60 and is connected to the first dome 43 .
  • One end of the voice coil 42 and the first dome 43 are arranged to improve the acoustic performance of the first vibration system 40 .
  • the second vibration system 50 further includes a second spherical top 53 , the second spherical top 53 is stacked on the surface of the second diaphragm 51 facing the second magnetic circuit system 70 and is connected to one end of the second voice coil 52 .
  • the setting of 53 is beneficial to improve the acoustic performance of the second vibration system 50 .
  • the mobile terminal 400 includes a terminal panel 401 and a speaker box 100 mounted on the terminal panel 401 .
  • the speaker box 100 is the above-mentioned speaker box 100.
  • the second panel 12 on the speaker box 100 is attached and installed on the terminal panel 401.
  • the terminal panel 401 is provided with a third sound outlet 401a, and the third sound outlet 401a is connected to the terminal panel 401.
  • the second sound outlet hole 15 penetrates through.
  • the second diaphragm 51 in the speaker box 100 and the terminal panel 401 form the second front acoustic cavity 500 .
  • the mobile terminal 400 further includes a sealing member 402 for sealing the terminal panel 401 and the second panel 12 .
  • the speaker box 100 is the above-mentioned speaker box 100 , that is, the enclosure 13 of the box body 10 of the speaker box 100 is provided with a first sound outlet 14 , and the first sound outlet 14 is used for speaker, and the second panel 12 is provided with a second sound outlet 15, which is used for receiving calls, so that the mobile terminal 400 has the functions of speaking and receiving.
  • the first vibration system 40 and the first magnetic circuit system 60 of the box 100 are arranged in the cavity 321 of the magnetic bowl 30 having the cavity 321 structure, while the second vibration system 50 and the second magnetic circuit system 70 are arranged in the magnetic bowl.
  • the sound generation system composed of the first vibration system 40 and the first magnetic circuit system 60 and the sound generation system composed of the second vibration system 50 and the second magnetic circuit system 70 are nested, and the speaker box 100 is improved. Due to the compactness of the structure, the speaker box 100 occupies a relatively small space of the mobile terminal 400, so that the mobile terminal 400 can be miniaturized.

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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

La présente invention concerne un caisson haut-parleur et un terminal mobile. Le caisson de haut-parleur comprend un corps de caisson et une unité de production de son ; le corps de caisson comprend un premier panneau, un second panneau ayant un second trou de sortie de son, et une plaque d'entourage ayant un premier trou de sortie de son ; l'unité de production de son comprend un premier système de circuit magnétique, un second système de circuit magnétique, un premier système de vibration ayant une première membrane, un second système de vibration ayant une seconde membrane, un cadre ayant un trou intérieur creux, et un bol magnétique ayant une partie de connexion et une partie encastrée ; la partie encastrée est pourvue d'une cavité concave ; la cavité concave est pourvue d'une ouverture de cavité faisant face au second trou de sortie de son ; le premier système de circuit magnétique est prévu dans la cavité concave et utilisé pour entraîner le premier système de vibration afin de produire du son ; le second système de circuit magnétique est prévu entre la paroi extérieure de la partie encastrée et la paroi latérale intérieure du trou intérieur creux et utilisé pour entraîner le second système de vibration afin de produire du son ; le premier système de vibration comprend une première bobine acoustique et la première membrane connectées à une extrémité du cadre ; et le second système de vibration comprend une seconde bobine acoustique et la seconde membrane connectées à l'autre extrémité du cadre. Le caisson de haut-parleur de la présente invention a une structure compacte emboîtée et possède des fonctions de haut-parleur et de réception.
PCT/CN2020/120991 2020-09-25 2020-10-14 Boîtier de haut-parleur et terminal mobile WO2022061986A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202022150712.5 2020-09-25
CN202022150712.5U CN213342570U (zh) 2020-09-25 2020-09-25 扬声器箱及移动终端

Publications (1)

Publication Number Publication Date
WO2022061986A1 true WO2022061986A1 (fr) 2022-03-31

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Application Number Title Priority Date Filing Date
PCT/CN2020/120991 WO2022061986A1 (fr) 2020-09-25 2020-10-14 Boîtier de haut-parleur et terminal mobile

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CN (1) CN213342570U (fr)
WO (1) WO2022061986A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024044924A1 (fr) * 2022-08-30 2024-03-07 瑞声光电科技(常州)有限公司 Haut-parleur coaxial

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Publication number Priority date Publication date Assignee Title
CN109862477A (zh) * 2018-12-29 2019-06-07 瑞声科技(新加坡)有限公司 发声器件
CN210093530U (zh) * 2019-06-28 2020-02-18 瑞声科技(新加坡)有限公司 一种扬声器
CN210781334U (zh) * 2019-11-25 2020-06-16 瑞声科技(新加坡)有限公司 扬声器及音频设备
CN210781318U (zh) * 2019-05-21 2020-06-16 瑞声科技(新加坡)有限公司 发声器
CN111343549A (zh) * 2020-03-05 2020-06-26 瑞声科技(新加坡)有限公司 扬声器箱
WO2020181892A1 (fr) * 2019-03-14 2020-09-17 歌尔股份有限公司 Appareil de production de son et dispositif électronique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109862477A (zh) * 2018-12-29 2019-06-07 瑞声科技(新加坡)有限公司 发声器件
WO2020181892A1 (fr) * 2019-03-14 2020-09-17 歌尔股份有限公司 Appareil de production de son et dispositif électronique
CN210781318U (zh) * 2019-05-21 2020-06-16 瑞声科技(新加坡)有限公司 发声器
CN210093530U (zh) * 2019-06-28 2020-02-18 瑞声科技(新加坡)有限公司 一种扬声器
CN210781334U (zh) * 2019-11-25 2020-06-16 瑞声科技(新加坡)有限公司 扬声器及音频设备
CN111343549A (zh) * 2020-03-05 2020-06-26 瑞声科技(新加坡)有限公司 扬声器箱

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