WO2022061985A1 - 扬声器箱及移动终端 - Google Patents
扬声器箱及移动终端 Download PDFInfo
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- WO2022061985A1 WO2022061985A1 PCT/CN2020/120989 CN2020120989W WO2022061985A1 WO 2022061985 A1 WO2022061985 A1 WO 2022061985A1 CN 2020120989 W CN2020120989 W CN 2020120989W WO 2022061985 A1 WO2022061985 A1 WO 2022061985A1
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- WIPO (PCT)
- Prior art keywords
- sound
- magnetic
- end panel
- diaphragm
- hole
- Prior art date
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Classifications
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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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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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
- 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 acoustics and electricity, and in particular, to a speaker box and a mobile terminal.
- speaker boxes for playing sound are widely used in smart mobile terminals.
- some mobile terminal devices such as mobile phones
- One of the objectives of the present application is to provide a speaker box to solve the technical problem that the existing speaker box is only used for external sound or the function of a receiver.
- a speaker box comprising a housing provided with a accommodating space and a sound-emitting unit accommodated in the accommodating space, the housing is provided with a first sound output A hole and a second sound hole, the first sound hole and the second sound hole are located on different sides of the speaker box;
- the first sound-generating component includes a first vibration system and a first magnetic circuit system for driving the first vibration system to vibrate and sound, the first magnetic circuit system having a first magnetic gap,
- the second sound-generating component includes a second vibration system and a second magnetic circuit system for driving the second vibration system to vibrate and sound, the second magnetic circuit system has a second magnetic gap, the The first magnetic circuit system is mounted
- the housing includes a first end panel, a second end panel disposed opposite to the first end panel, and an edge connected to the first end panel and the second end panel
- the magnetic bowl is arranged between the first end panel and the second end panel, and the first surface faces the first end panel, so The second surface faces the second end panel.
- the first sound outlet hole is arranged through the enclosure plate, and the second sound outlet hole is arranged through the second end panel;
- the first vibration system includes a A first diaphragm between a magnetic circuit system and the first end panel and a first voice coil for driving the first diaphragm to vibrate and sound, and one end of the first voice coil is connected to the first The diaphragm and the other end are inserted into the magnetic channel from the first magnetic gap.
- the first magnetic circuit system includes a first main magnet, a first auxiliary magnet and a first main pole core, and both the first main magnet and the first auxiliary magnet are fixed on the first surface, And the first auxiliary magnet is arranged around the outer circumference of the first main magnet, the first magnetic gap is formed between the first auxiliary magnet and the first main magnet, and the first main pole core is provided. on the side of the first main magnet facing the first diaphragm.
- the second vibration system includes a second diaphragm arranged between the second magnetic circuit system and the second sound outlet, and a second sound for driving the second diaphragm to vibrate and sound.
- One end of the second voice coil is connected to the second diaphragm, and the other end is inserted into the magnetic channel from the second magnetic gap.
- the first voice coil includes a first voice coil body with a first hollow inner hole and a plurality of first extending portions spaced apart along the circumferential direction, and the first voice coil body is away from the first extension One end of the part is connected to the first diaphragm, the first voice coil body is arranged in the first magnetic gap, and the first extension part extends in the second magnetic gap;
- the second voice coil It includes a second voice coil body with a second hollow inner hole and a plurality of second extending parts spaced in the circumferential direction, and one end of the second voice coil body away from the second extending part is connected to the second vibration coil.
- a membrane the second voice coil body is arranged in the second magnetic gap, the second extension part extends in the first magnetic gap; the first extension part is located on the outer periphery of the second extension part .
- the second magnetic circuit system includes a second main magnet, a second sub-magnet, a second main pole core and a sub-pole core, and both the second main magnet and the second sub-magnet are fixed on the the second surface, and the second sub-magnet is disposed around the outer periphery of the second main magnet, the second magnetic gap is formed between the second sub-magnet and the second main magnet; the second The main pole core is arranged on the side of the second main magnet facing the second diaphragm, and the secondary pole core is arranged on the side of the second auxiliary magnet facing the second diaphragm.
- the first sound-generating assembly further includes a first basin frame, the first basin frame includes a first basin frame body having a third hollow inner hole, and the first basin frame body is directed toward the second basin frame body from the first basin frame body.
- a plurality of first support columns extending from the sound outlet are arranged at intervals between adjacent first support columns, and the edge of the first diaphragm is fixed on the first pot body away from the first support the end of the column;
- the second sound-generating assembly further includes a second pot frame, the second pot frame includes a second pot frame body with a fourth hollow inner hole, and a second pot frame body from the second pot frame body toward the first end panel
- a plurality of extended second support columns are arranged at intervals between adjacent second support columns, and the edge of the second diaphragm is fixed on the end of the second basin frame body away from the second support column
- the end of the second support column away from the second basin frame body is connected to the end of the first support column away from the first basin frame body.
- the casing further includes an annular support platform extending from the first end panel and protruding into the accommodating space, and the second sound outlet and the annular support platform are arranged opposite to each other at intervals, so
- the sound-generating unit is arranged between the annular support platform and the second sound outlet hole, and the first diaphragm, the annular support platform and the first end panel are enclosed to form a first front acoustic cavity,
- the annular support base is provided with an opening for communicating the first front acoustic cavity and the first sound outlet.
- the casing is further provided with a space extending from the portion of the annular support platform where the opening is provided to the side of the enclosure plate.
- a sound guide channel is provided at the position of the first sound outlet, and a communication hole connecting the opening and the first sound outlet is provided through the sound guide channel.
- the annular support table includes an annular support portion protruding from the first end panel and a limiting portion extending from the annular support portion toward the second end panel, the annular The support portion includes a first inner side facing the first front acoustic cavity, a first outer side facing the first inner side, and a supporting end surface facing the second end panel, and the limiting portion includes toward the second inner side of the first front acoustic cavity and the second outer side opposite to the second inner side, the first outer side is aligned with the second outer side, and the first inner side is aligned with the second outer side.
- the distance between the side surface and the first outer side surface is greater than the distance between the second inner side surface and the second outer side surface, the supporting end surface and the second inner side surface are enclosed to form a slot, and the opening is
- the first inner side extends through the first outer side, the end of the first pot frame away from the second pot frame is inserted into the slot, and the edge of the first diaphragm is clamped It is arranged between the first basin frame and the supporting end surface.
- the second purpose of this application is to provide a mobile terminal, including a device body and the above-mentioned speaker box, wherein the speaker box is installed in the device body, and the device body includes a first outlet provided with a first sound outlet. In the sound panel, the first sound outlet is communicated with the second sound outlet.
- the mobile terminal further includes an annular sealing member, the annular sealing member is disposed between the second end panel and the first sound outlet panel and surrounds the outer circumference of the second sound outlet hole.
- the beneficial effects of the present application are: (1)
- the speaker box and the mobile terminal provided by the present application are provided with two sound outlet holes on different sides of the speaker box, and two sound-generating components are arranged in the speaker box, and the first sound-generating component faces toward The first sound-emitting hole emits sound, and the second sound-emitting component emits sound toward the second sound-emitting hole.
- One sound-emitting component is used for the external sound of the mobile terminal to realize the speaker function, and the other sound-emitting component is used for the non-external sound of the mobile terminal.
- the magnetic circuit system of a sound-generating component is set on the first surface of the magnetic bowl, and the other The magnetic circuit system of the sound-generating component is arranged on the second surface of the magnetic bowl, and the first surface and the second surface are oppositely arranged, so that the assembly of the two sound-generating components is relatively compact, which is beneficial to the miniaturized design of the speaker box;
- the magnetic circuit system is separated, which is beneficial to reduce the interference between the two and help to improve the performance of the speaker box;
- the first magnetic gap and the second magnetic gap are connected through the perforation through the magnetic bowl to form a magnetic Channel, the first voice coil and the second voice coil can be affected by the magnet of the first magnetic circuit system and the magnet of the second magnetic circuit system, the BL parameter is increased, and the movement of the magnetic field line between the voice coil and the magnet is more, The driving force becomes stronger, further improving the low frequency performance of the speaker
- 1 is an assembly diagram of a speaker box and a second sound-emitting panel provided by an embodiment of the application;
- Fig. 2 is a sectional view along A-A in Fig. 1;
- FIG. 3 is an assembly diagram of a speaker box and an annular seal provided by an embodiment of the application
- FIG. 4 is an exploded view of a speaker box provided by an embodiment of the present application.
- FIG. 5 is an exploded view of a sounding monomer provided by an embodiment of the present application.
- FIG. 6 is a schematic structural diagram of a magnetic bowl provided by an embodiment of the present application.
- FIG. 7 is a schematic structural diagram of a first voice coil provided by an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of a second voice coil provided by an embodiment of the present application.
- FIG. 9 is a schematic structural diagram of a first basin frame provided by an embodiment of the present application.
- FIG. 11 is a schematic structural diagram of an angle of a lower case provided by an embodiment of the application.
- FIG. 12 is a schematic structural diagram of another angle of the lower case provided by the embodiment of the present application.
- 100 speaker box; 1, shell; 101, upper cover; 102, lower shell; 11, accommodating space; 111, first front acoustic cavity; 12, first end panel; 13, second end Panel; 131, second sound hole; 14, enclosure plate; 141, first sound hole; 15, annular support table; 151, annular support part; 1511, opening; 1512, first inner side; 1513, first Outer side; 1514, supporting end surface; 152, limiter; 1521, second inner side; 1522, second outer side; 153, card slot; 16, sound guiding channel; 161, communicating hole; 2, sounding unit; 3.
- the first sound-generating component; 31 The first sound-generating component; 31.
- an embodiment of the present application provides a speaker box 100 , which includes a housing 1 provided with an accommodating space 11 and a sound generating unit 2 accommodated in the accommodating space 11 .
- the housing 1 is provided with a first The sound outlet 141 and the second sound outlet 131, the first sound outlet 141 and the second sound outlet 131 are located on different sides of the speaker box 100;
- a sound-generating component 3 a second sound-generating component 4 for generating sound toward the second sound-emitting hole 131 , and a magnetic bowl 5 having a through hole 53 .
- the first sound outlet component 3 and the second sound outlet hole that emit sound toward the first sound outlet hole 141 are arranged in the speaker box 100 .
- the second sounding component 4 for sounding one sounding component is used for the external sound of the mobile terminal to realize the speaker function, and the other sounding component is used for the non-external sound of the mobile terminal to realize the earpiece function, which realizes a speaker box at the same time. It has the function of transmitting sound from external sound and non-external sound.
- the magnetic bowl 5 includes a first surface 51 and a second surface 52 disposed opposite to each other, and the through hole 53 extends through the first surface 51 to the second surface 52 ;
- the first sound-generating component 3 includes a first The vibration system 31 and the first magnetic circuit system 32 for driving the first vibration system 31 to vibrate and sound, the first magnetic circuit system 32 has a first magnetic gap 61, and the second sound-generating assembly 4 includes the second vibration system 41 and the first magnetic circuit system 32 for driving The second vibration system 41 vibrates the second magnetic circuit system 42 that emits sound, the second magnetic circuit system 42 has a second magnetic gap 62 , the first magnetic circuit system 32 is mounted on the first surface 51 , and the second magnetic circuit system 42 is mounted on the first surface 51 .
- the two surfaces 52 , the first magnetic gap 61 and the second magnetic gap 62 communicate with each other through the through hole 53 to form the magnetic channel 6 .
- the magnetic bowl 5 including the first surface 51 and the second surface 52, the first surface 51 and the second surface 52 are arranged oppositely, the first magnetic circuit system 32 of the first sound-generating component 3 is installed on the first surface 51, the second The second magnetic circuit system 42 of the sound-generating assembly 4 is mounted on the second surface 52 , and the first sound-generating component 3 and the second sound-generating component 4 are assembled compactly, which is beneficial to the miniaturized design of the speaker box 100 .
- the magnetic circuit systems of the first sound-generating component 3 and the second sound-generating component 4 are separated by the magnetic bowl 5 to reduce the interference between the two, which is beneficial to improve the performance of the speaker box 100 .
- the vibration directions of the first diaphragm 311 and the second diaphragm 411 are the same, which is beneficial to increase the vibration amount of the air and improve the performance of the speaker box 100 .
- the casing 1 includes an upper cover 101 and a lower case 102 , and the upper cover 101 covers the lower case 102 .
- the upper cover 101 includes a second end panel 13
- the lower shell 102 includes a first end panel 12 disposed opposite to the second end panel 13 at intervals, and an edge connected to the first end panel 12 and the second end panel 13
- One of the first sound hole and the second sound hole is arranged on the surround plate 14, the other is arranged on the first end panel 12 or the second end of the surround plate 14 between the edges. on panel 13.
- the first sound outlet hole 141 is arranged through the enclosure plate 14
- the second sound outlet hole 131 is arranged through the second end panel 13
- the magnetic bowl 5 is arranged on the first end panel 12 and the second end panel 13 .
- the first surface 51 faces the first end panel 12
- the second surface 52 faces the second sound holes 131 .
- the first sound outlet 141 is arranged through the enclosure plate 14, and the first sound outlet assembly 3 emits sound toward the first sound outlet 141 for transmitting the sound; the second sound outlet 131 is arranged through the second sound outlet 141.
- the second sound-emitting component 4 emits sound toward the second sound-outlet hole 131 for transmitting non-external sound.
- the first end panel 12 and the enclosure plate 14 are integrally formed, so as to improve the stability of the speaker box 100 and reduce the assembly process.
- the first end panel 12 and the shroud 14 may also be fabricated separately and then assembled together.
- the first vibration system 31 includes a first vibration membrane 311 disposed between the first magnetic circuit system 32 and the first end panel 12 , and a first vibration membrane 311 for driving the first vibration membrane 311 to vibrate and emit sound
- One end of the first voice coil 312 is connected to the first diaphragm 311 , and the other end is inserted into the magnetic channel 6 from the first magnetic gap 61 .
- the first magnetic circuit system 32 includes a first main magnet 321 , a first auxiliary magnet 322 and a first main pole core 323 , the first main magnet 321 and the first auxiliary magnet 322 are fixed on the first surface 51 , and the first auxiliary magnet 322 is The magnet 322 is disposed around the outer circumference of the first main magnet 321 , a first magnetic gap 61 is formed between the first auxiliary magnet 322 and the first main magnet 321 , and the first main pole core 323 is disposed on the first main magnet 321 facing the first one side of the diaphragm 311 .
- the magnetic permeability of the first main pole core 323 can effectively increase the magnetic flux of the magnetic channel 6 , thereby improving the acoustic performance of the sounding unit 2 .
- the first magnetic gap and the second magnetic gap are communicated through the through holes in the magnetic bowl to form a magnetic channel, and both the first voice coil and the second voice coil can be subjected to the first magnetic circuit system.
- the function of the magnet and the magnet of the second magnetic circuit system increases the BL parameter, the cutting magnetic field line between the voice coil and the magnet moves more, and the driving force becomes stronger, which further improves the low-frequency performance of the speaker box.
- the second vibration system 41 includes a second vibration membrane 411 disposed between the second magnetic circuit system 42 and the second sound outlet 131 , and a second vibration membrane 411 for driving the second vibration membrane 411 to vibrate
- the second voice coil 412 that emits sound
- one end of the second voice coil 412 is connected to the second diaphragm 411 , and the other end is inserted into the magnetic channel 6 from the second magnetic gap 62 .
- the second magnetic circuit system 42 includes a second main magnet 421 , a second secondary magnet 422 , a second main pole core 423 and a secondary pole core 424 , and both the second main magnet 421 and the second secondary magnet 422 are fixed on the second surface 52 , and the second secondary magnet 422 is arranged around the outer periphery of the second main magnet 421, a second magnetic gap 62 is formed between the second secondary magnet 422 and the second main magnet 421; the second main pole core 423 is arranged on the second main magnet On the side of the 421 facing the second diaphragm 411 , the secondary pole core 424 is disposed on the side of the second secondary magnet 422 facing the second diaphragm 411 .
- the magnetic permeability of the second main pole core 423 and the secondary pole core 424 can effectively increase the magnetic flux of the magnetic channel 6 , thereby improving the acoustic performance of the sounding unit 2 .
- the first main magnet 321 , the second main magnet 421 , the first auxiliary magnet 322 and the second auxiliary magnet 422 are made of magnetic steel. It can be understood that the first main magnet 321 , the second main magnet 421 , the first sub-magnet 322 and the second sub-magnet 422 can also use natural lodestones.
- the first main magnet 321 and the second main magnet 421 are both rectangular, and there are four first sub-magnets 322 , second sub-magnets 422 and sub-pole cores 424 , and one of the first sub-magnets 322 corresponds to One side of the first main magnet 321 , one second secondary magnet 422 corresponds to one side of the second main magnet 421 , and one secondary pole core 424 corresponds to one second secondary magnet 422 .
- the first voice coil 312 includes a first voice coil body 3121 having a first hollow inner hole 3123 and a plurality of first extending portions 3122 spaced in the circumferential direction.
- the first voice coil body One end of the 3121 away from the first extension portion 3122 is connected to the first diaphragm 311 .
- the first voice coil body 3121 is disposed in the first magnetic gap 61 , and the first extension portion 3122 extends in the second magnetic gap 62 .
- the second voice coil 412 includes a second voice coil body 4121 having a second hollow inner hole 4123 and a plurality of second extending portions 4122 spaced apart in the circumferential direction.
- the second voice coil body 4121 is disposed in the second magnetic gap 62 , the second extending portion 4122 extends in the first magnetic gap 61 , and the first extending portion 3122 is located on the outer periphery of the second extending portion 4122 .
- there are four first extension parts 3122 and four second extension parts 4122 one first extension part 3122 corresponds to one second extension part 4122, and correspondingly, the magnetic bowl 5 is provided with four through holes 53, A first extension portion 3122 and a second extension portion 4122 pass through a through hole 53 .
- the number of the first extension portion 3122 and the second extension portion 4122 may also be one, two, three, etc., or the first extension portion 3122 and the second extension portion 4122 may not be provided.
- the first sound-generating component 3 further includes a first pot frame 33
- the first pot frame 33 includes a first pot frame body 331 having a third hollow inner hole 333 and a
- the basin frame body 331 extends toward a plurality of first support columns 332 adjacent to the second sound outlet 131 .
- the adjacent first support columns 332 are spaced apart.
- the edge of the first diaphragm 311 is fixed to the first basin frame body 331
- the first diaphragm 311 covers the third hollow inner hole 333 away from the end of the first support column 332 .
- the second sound-generating assembly 4 further includes a second pot frame 43 .
- the second pot frame 43 includes a second pot frame body 431 with a fourth hollow inner hole 433 and extends from the second pot frame body 431 toward the first end panel 12 .
- a plurality of second support columns 432 are arranged at intervals between adjacent second support columns 432.
- the edge of the second diaphragm 411 is fixed on the end of the second basin frame body 431 away from the second support column 432.
- the diaphragm 411 covers the fourth hollow inner hole 433 .
- the end of the second support column 432 away from the second basin frame body 431 is connected to the end of the first support column 332 away from the first basin frame body 331 .
- the side of the secondary pole core 424 away from the second magnetic gap 62 is connected to the second pot frame 43 and is integrally formed with the second pot frame 43 .
- the side of the secondary pole core 424 away from the second magnetic gap 62 is connected to the second basin frame body 431 , the four secondary pole cores 424 are located in the fourth hollow inner hole 433 , and the adjacent two secondary pole cores 424 are connected to the second basin frame body 431 .
- the second pot body 431 forms an air guide hole 434 , and the air guide hole 434 communicates with the fourth hollow inner hole 433 and the accommodating space 11 , thereby enhancing the connection between the second diaphragm 411 and the second main pole core 423 and the secondary pole core 424
- Air circulation reduces the air pressure between the second diaphragm 411 and the second main pole core 423 and the secondary pole core 424, and accelerates the heat between the second diaphragm 411 and the second main pole core 423 and the secondary pole core 424
- the speed of emission improves the acoustic performance of the speaker enclosure 100 .
- the housing 1 further includes an annular support base 15 extending from the first end panel 12 and protruding into the accommodating space 11 , the second sound outlet 131 and the annular support base 15
- the sound generating unit 2 is arranged between the annular support table 15 and the second sound outlet hole 131, and the first diaphragm 311 is enclosed with the annular support table 15 and the first end panel 12 to form the first front sound cavity 111.
- the annular support 15 is provided with an opening 1511 for connecting the first front acoustic cavity 111 and the first sound outlet hole 141 .
- the annular support table 15 includes an annular support portion 151 protruding from the first end panel 12 and a limiting portion 152 extending from the annular support portion 151 toward the second end panel 13.
- the annular support portion 151 includes The first inner side surface 1512 facing the first front acoustic cavity 111 , the first outer side surface 1513 arranged opposite to the first inner side surface 1512 , and the supporting end surface 1514 arranged toward the second end panel 13 .
- the second inner side 1521 of the acoustic cavity 111 and the second outer side 1522 opposite to the second inner side 1521, the first outer side 1513 and the second outer side 1522 are aligned, and the first inner side 1512 and the first outer side 1513 are arranged in alignment.
- the distance L 1 is greater than the distance L 2 between the second inner side 1521 and the second outer side 1522 , the supporting end surface 1514 and the second inner side 1521 enclose a slot 153 , and the opening 1511 extends from the first inner side 1512 to the second side.
- An outer side surface 1513 , the end of the first pot frame 33 away from the second pot frame 43 is inserted into the slot 153 , and the edge of the first diaphragm 311 is sandwiched between the first pot frame 33 and the supporting end surface 1514 .
- FIGS. 2-3 and 11-12 there is a distance between the outer side of the annular support table 15 and the inner side of the enclosure plate 14 , and the casing 1 is provided with a portion extending from the portion of the annular support table 15 where the opening 1511 is provided to the enclosure plate 14 .
- the sound generated by the vibration of the first diaphragm 311 is transmitted to the outside of the speaker box 100 through the first front acoustic cavity 111 , the opening 1511 , the communication hole 161 and the first sound outlet hole 141 in sequence.
- Embodiments of the present application further provide a mobile terminal (not shown in the figure), including a device body (not shown in the figure) and the above-mentioned speaker box 100 .
- the speaker box 100 is installed in the device body, and the device body includes a The first sound-out panel 200 with a sound-outlet hole 210 communicates with the second sound-outlet hole 131 .
- the device body is also provided with a second sound outlet that communicates with the first sound outlet 141 .
- the mobile terminal further includes an annular seal 300 , and the annular seal 300 is disposed between the second end panel 13 and the first sound outlet panel 200 and surrounds the outer circumference of the second sound outlet hole 131 .
- the sound produced by the vibration of the first sound-emitting component 3 is emitted out through the first sound-out hole 141 and the second sound-out hole in turn, so as to realize the speaker function, and the sound produced by the vibration of the second sound-emitting component 4 sequentially passes through the second sound outlet
- the hole 131 and the first sound outlet hole 210 emit outwards, so as to realize the function of receiving a call (the function of the earpiece).
- a speaker box is used to realize the function of receiving a call and the function of speaking at the same time, which is beneficial to the miniaturized design of the mobile terminal.
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
本申请提供一种扬声器箱及移动终端,其中扬声器箱包括壳体和发声单体,壳体设有位于扬声器箱不同侧的第一出音孔和第二出音孔;发声单体包括用于朝向第一出音孔发声的第一发声组件、用于朝向第二出音孔发声的第二发声组件和具有穿孔的磁碗,磁碗包括相对设置的第一表面和第二表面,穿孔自第一表面贯穿延伸至第二表面;第一发声组件包括第一振动***和具有第一磁间隙的第一磁路***,第二发声组件包括第二振动***和具有第二磁间隙的第二磁路***,第一磁路***安装于第一表面,第二磁路***安装于第二表面,第一磁间隙与第二磁间隙通过穿孔连通形成磁通道。本申请提供的扬声器箱同时具有扬声功能和听筒功能。
Description
本申请涉及声电技术领域,尤其涉及一种扬声器箱及移动终端。
目前,用于播放声音的扬声器箱被大量应用于智能移动终端,对于一些移动终端设备(比如手机),既要配置用于外放声音的扬声器箱,又需要配置非外放声音的受话器,不利于智能移动终端的轻薄化发展。
因此,有必要提供一种集外放声音和非外放声音于一体的扬声器箱。
本申请的目的之一在于提供一种扬声器箱,以解决现有的扬声器箱仅用于外放声音或者受话器作用的技术问题。
本申请的目的之一提供的技术方案如下:一种扬声器箱,包括设有容置空间的壳体以及收容于所述容置空间内的发声单体,所述壳体设有第一出音孔和第二出音孔,所述第一出音孔和所述第二出音孔位于所述扬声器箱的不同侧;所述发声单体包括用于朝向所述第一出音孔发声的第一发声组件、用于朝向所述第二出音孔发声的第二发声组件以及具有穿孔的磁碗,所述磁碗包括相对设置的第一表面和第二表面,所述穿孔自所述第一表面贯穿延伸至所述第二表面;所述第一发声组件包括第一振动***和用于驱动所述第一振动***振动发声的第一磁路***,所述第一磁路***具有第一磁间隙,所述第二发声组件包括第二振动***和用于驱动所述第二振动***振动发声的第二磁路***,所述第二磁路***具有第二磁间隙,所述第一磁路***安装于所述第一表面,所述第二磁路***安装于所述第二表面,所述第一磁间隙与所述第二磁间隙通过所述穿孔连通形成磁通道。
进一步地,所述壳体包括第一端部面板、与所述第一端部面板间隔相对设置的第二端部面板以及连接于所述第一端部面板之边缘与所述第二端部面板之边缘之间的围板,所述第一出音孔和所述第二出音孔中的一者贯穿设于所述围板上、另一者贯穿设于所述第一端部面板上或者所述第二端部面板上,所述磁碗设于所述第一端部面板与所述第二端部面板之间,所述第一表面朝向所述第一端部面板,所述第二表面朝向所述第二端部面板。
进一步地,所述第一出音孔贯穿设于所述围板上,所述第二出音孔贯穿设于所述第二端部面板上;所述第一振动***包括设于所述第一磁路***与所述第一端部面板之间的第一振膜和用于驱动所述第一振膜振动发声的第一音圈,所述第一音圈的一端连接所述第一振膜、另一端从所述第一磁间隙插设于所述磁通道内。
进一步地,所述第一磁路***包括第一主磁体、第一副磁体以及第一主极芯,所述第一主磁体和所述第一副磁体均固设于所述第一表面,且所述第一副磁体环绕设置于所述第一主磁体的外周,所述第一副磁体与所述第一主磁体之间形成所述第一磁间隙,所述第一主极芯设于所述第一主磁体之朝向所述第一振膜的一侧。
进一步地,所述第二振动***包括设于所述第二磁路***与所述第二出音孔之间的第二振膜以及用于驱动所述第二振膜振动发声的第二音圈,所述第二音圈的一端连接所述第二振膜、另一端从所述第二磁间隙插设于所述磁通道内。
进一步地,所述第一音圈包括具有第一中空内孔的第一音圈本体以及若干个沿周向间隔设置的第一延伸部,所述第一音圈本体之远离所述第一延伸部的一端连接所述第一振膜,所述第一音圈本体设于所述第一磁间隙内,所述第一延伸部延伸于所述第二磁间隙内;所述第二音圈包括具有第二中空内孔的第二音圈本体以及若干个沿周向间隔设置的第二延伸部,所述第二音圈本体之远离所述第二延伸部的一端连接所述第二振膜,所述第二音圈本体设于所述第二磁间隙内,所述第二延伸部延伸于所述第一磁间隙内;所述第一延伸部位于所述第二延伸部的外周。
进一步地,所述第二磁路***包括第二主磁体、第二副磁体、第二主极芯以及副极芯,所述第二主磁体和所述第二副磁体均固设于所述第二表面,且所述第二副磁体环绕设置于所述第二主磁体的外周,所述第二副磁体与所述第二主磁体之间形成所述第二磁间隙;所述第二主极芯设于所述第二主磁体之朝向所述第二振膜的一侧,所述副极芯设于所述第二副磁体之朝向所述第二振膜的一侧。
进一步地,所述第一发声组件还包括第一盆架,所述第一盆架包括具有第三中空内孔的第一盆架本体以及自所述第一盆架本体朝靠近所述第二出音孔延伸的若干个第一支撑柱,相邻所述第一支撑柱之间间隔设置,所述第一振膜的边缘固设于所述第一盆架本体之远离所述第一支撑柱的端部;
所述第二发声组件还包括第二盆架,所述第二盆架包括具有第四中空内孔的第二盆架本体以及自所述第二盆架本体朝靠近所述第一端部面板延伸的若干个第二支撑柱,相邻所述第二支撑柱之间间隔设置,所述第二振膜的边缘固设于所述第二盆架本体之远离所述第二支撑柱的端部,所述第二支撑柱之远离所述第二盆架本体的端部连接所述第一支撑柱之远离所述第一盆架本体的端部。
进一步地,所述壳体还包括从所述第一端部面板延伸凸设于所述容置空间内的环形支撑台,所述第二出音孔与所述环形支撑台间隔相对设置,所述发声单体设于所述环形支撑台与所述第二出音孔之间,所述第一振膜与所述环形支撑台和所述第一端部面板围合形成第一前声腔,所述环形支撑台设有用于连通所述第一前声腔与所述第一出音孔的开口。
进一步地,所述环形支撑台的外侧与所述围板的内侧之间具有间距,所述壳体还设有从所述环形支撑台之设有所述开口的部位延伸至所述围板之设有所述第一出音孔的部位的导声通道,所述导声通道贯穿设有连通所述开口与所述第一出音孔的连通孔。
进一步地,所述环形支撑台包括凸设于所述第一端部面板上的环形支撑部和从所述环形支撑部朝向所述第二端部面板延伸凸设的限位部,所述环形支撑部包括朝向所述第一前声腔的第一内侧面、与所述第一内侧面相对设置的第一外侧面和朝向所述第二端部面板设置的支撑端面,所述限位部包括朝向所述第一前声腔的第二内侧面和与所述第二内侧面相对设置的第二外侧面,所述第一外侧面与所述第二外侧面对齐设置,所述第一内侧面与所述第一外侧面之间的距离大于所述第二内侧面与所述第二外侧面的距离,所述支撑端面与所述第二内侧面围合形成卡槽,所述开口自所述第一内侧面贯穿延伸至所述第一外侧面,所述第一盆架之远离所述第二盆架的一端插设于所述卡槽内,所述第一振膜的边缘夹设于所述第一盆架和所述支撑端面之间。
本申请的目的之二在于提供一种移动终端,包括设备本体以及上述的扬声器箱,所述扬声器箱安装于所述设备本体内,所述设备本体包括设有第一出声孔的第一出声面板,所述第一出声孔与所述第二出音孔连通。
进一步地,所述移动终端还包括环形密封件,所述环形密封件设于所述第二端部面板与所述第一出声面板之间且环绕于所述第二出音孔的外周。
本申请的有益效果在于:(1)本申请提供的扬声器箱和移动终端,在扬声器箱的不同侧设有两个出音孔,在扬声器箱内设有两个发声组件,第一发声组件朝向第一出音孔发声,第二发声组件朝向第二出音孔发声,其中一个发声组件用于移动终端的外放声音以实现扬声功能,另一个发声组件用于移动终端的非外放声音以实现听筒功能,实现了一个扬声器箱既可以外放声音、又可以不用外放声音就能传送声音的功能;(2)一个发声组件的磁路***设于磁碗的第一表面,另一个发声组件的磁路***设于磁碗的第二表面,第一表面和第二表面相对设置,使两个发声组件装配的比较紧凑,有利于扬声器箱的小型化设计;而且,磁碗将两个磁路***分隔开,利于减少两者之间的干扰,有助于提高扬声器箱的性能;(3)将第一磁间隙与第二磁间隙通过穿设于磁碗的穿孔连通形成磁通道,第一音圈和第二音圈均可以受到第一磁路***的磁体和第二磁路***的磁体的作用,增加了BL参数,音圈与磁体间切割磁感线运动更多,驱动力变强,进一步提高扬声器箱的低频性能。
图1为本申请实施例提供的扬声器箱与第二出声面板的装配图;
图2为图1中沿A-A的剖视图;
图3为本申请实施例提供的扬声器箱与环形密封件的装配图;
图4为本申请实施例提供的扬声器箱的***图;
图5为本申请实施例提供的发声单体的***图;
图6为本申请实施例提供的磁碗的结构示意图;
图7为本申请实施例提供的第一音圈的结构示意图;
图8为本申请实施例提供的第二音圈的结构示意图;
图9为本申请实施例提供的第一盆架的结构示意图;
图10为本申请实施例提供的第二盆架与副极芯的装配图;
图11为本申请实施例提供的下壳的一个角度的结构示意图;
图12为本申请实施例提供的下壳的另一个角度的结构示意图。
图中:100、扬声器箱;1、壳体;101、上盖;102、下壳;11、容置空间;111、第一前声腔;12、第一端部面板;13、第二端部面板;131、第二出音孔;14、围板;141、第一出音孔;15、环形支撑台;151、环形支撑部;1511、开口;1512、第一内侧面;1513、第一外侧面;1514、支撑端面;152、限位部;1521、第二内侧面;1522、第二外侧面;153、卡槽;16、导声通道;161、连通孔;2、发声单体;3、第一发声组件;31、第一振动***;311、第一振膜;312、第一音圈;3121、第一音圈本体;3122、第一延伸部;3123、第一中空内孔;32、第一磁路***;321、第一主磁体;322、第一副磁体;323、第一主极芯;33、第一盆架;331、第一盆架本体;332、第一支撑柱;333、第三中空内孔;4、第二发声组件;41、第二振动***;411、第二振膜;412、第二音圈;4121、第二音圈本体;4122、第二延伸部;4123、第二中空内孔;42、第二磁路***;421、第二主磁体;422、第二副磁体;423、第二主极芯;424、副极芯;43、第二盆架;431、第二盆架本体;432、第二支撑柱;433、第四中空内孔;434、导气孔;5、磁碗;51、第一表面;52、第二表面;53、穿孔;6、磁通道;61、第一磁间隙;62、第二磁间隙;200、第一出声面板;210、第一出声孔;300、环形密封件。
下面结合图1至图12对本申请作详细描述。
请参阅图1-5,本申请实施例提供一种扬声器箱100,包括设有容置空间11的壳体1以及收容于容置空间11内的发声单体2,壳体1设有第一出音孔141和第二出音孔131,第一出音孔141和第二出音孔131位于扬声器箱100的不同侧;发声单体2包括用于朝向第一出音孔141发声的第一发声组件3、用于朝向第二出音孔131发声的第二发声组件4以及具有穿孔53的磁碗5。
通过在扬声器箱100的不同侧设置第一出音孔141和第二出音孔131,在扬声器箱100内设置朝向第一出音孔141发声的第一发声组件3和朝向第二出音孔131发声的第二发声组件4,一个发声组件用于移动终端的外放声音以实现扬声功能,另一个发声组件用于移动终端的非外放声音以实现听筒功能,实现了一个扬声器箱同时具备外放声音和非外放声音传送声音的功能。
请参阅图2和图5-6,磁碗5包括相对设置的第一表面51和第二表面52,穿孔53自第一表面51贯穿延伸至第二表面52;第一发声组件3包括第一振动***31和用于驱动第一振动***31振动发声的第一磁路***32,第一磁路***32具有第一磁间隙61,第二发声组件4包括第二振动***41和用于驱动第二振动***41振动发声的第二磁路***42,第二磁路***42具有第二磁间隙62,第一磁路***32安装于第一表面51,第二磁路***42安装于第二表面52,第一磁间隙61与第二磁间隙62通过穿孔53连通形成磁通道6。
通过设置包括第一表面51和第二表面52的磁碗5,第一表面51和第二表面52相对设置,第一发声组件3的第一磁路***32安装在第一表面51,第二发声组件4的第二磁路***42安装在第二表面52,第一发声组件3和第二发声组件4装配的比较紧凑,有利于扬声器箱100的小型化设计。并且,第一发声组件3和第二发声组件4的磁路***通过磁碗5分隔开,降低两者之间的干扰,有利于提高扬声器箱100的性能。
在本实施例中,第一振膜311和第二振膜411的振动方向相同,有利于增加空气的振动量,提高扬声器箱100的性能。
请参阅图2-5,壳体1包括上盖101和下壳102,上盖101盖合于下壳102上。上盖101包括第二端部面板13,下壳102包括与第二端部面板13间隔相对设置的第一端部面板12以及连接于第一端部面板12之边缘与第二端部面板13之边缘之间的围板14,第一出音孔和第二出音孔中的一者贯穿设于围板14上、另一者贯穿设于第一端部面板12上或者第二端部面板13上。在本实施例中,第一出音孔141贯穿设于围板14上,第二出音孔131贯穿设于第二端部面板13上,磁碗5设于第一端部面板12与第二出音孔131之间,第一表面51朝向第一端部面板12,第二表面52朝向第二出音孔131。将第一出音孔141贯穿设于围板14上,第一发声组件3朝向第一出音孔141发声,用于进行外放声音的传送;将第二出音孔131贯穿设于第二端部面板13上,第二发声组件4朝向第二出音孔131发声,用于进行非外放声音的传送。其中,第一端部面板12和围板14一体成型,提高扬声器箱100的稳固性以及减少装配工序。当然,第一端部面板12和围板14也可以分别制作,然后装配在一起。
请参阅图2和图5-6,第一振动***31包括设于第一磁路***32与第一端部面板12之间的第一振膜311和用于驱动第一振膜311振动发声的第一音圈312,第一音圈312的一端连接第一振膜311、另一端从第一磁间隙61插设于磁通道6内。第一磁路***32包括第一主磁体321、第一副磁体322以及第一主极芯323,第一主磁体321和第一副磁体322均固设于第一表面51,且第一副磁体322环绕设置于第一主磁体321的外周,第一副磁体322与第一主磁体321之间形成第一磁间隙61,第一主极芯323设于第一主磁体321之朝向第一振膜311的一侧。在本实施例中,第一主极芯323的导磁作用,可以有效增加磁通道6的磁通量,从而提高发声单体2的声学性能。另外,本申请实施例提供的扬声器箱将第一磁间隙与第二磁间隙通过穿设于磁碗的穿孔连通形成磁通道,第一音圈和第二音圈均可以受到第一磁路***的磁体和第二磁路***的磁体的作用,增加了BL参数,音圈与磁体间切割磁感线运动更多,驱动力变强,进一步提高了扬声器箱的低频性能。
请再次参阅图2和图5-6,第二振动***41包括设于第二磁路***42与第二出音孔131之间的第二振膜411以及用于驱动第二振膜411振动发声的第二音圈412,第二音圈412的一端连接第二振膜411、另一端从第二磁间隙62插设于磁通道6内。第二磁路***42包括第二主磁体421、第二副磁体422、第二主极芯423以及副极芯424,第二主磁体421和第二副磁体422均固设于第二表面52,且第二副磁体422环绕设置于第二主磁体421的外周,第二副磁体422与第二主磁体421之间形成第二磁间隙62;第二主极芯423设于第二主磁体421之朝向第二振膜411的一侧,副极芯424设于第二副磁体422之朝向第二振膜411的一侧。在本实施例中,第二主极芯423和副极芯424的导磁作用,可以有效增加磁通道6的磁通量,从而提高发声单体2的声学性能。
优选地,第一主磁体321、第二主磁体421、第一副磁体322和第二副磁体422采用磁钢。可以理解,第一主磁体321、第二主磁体421、第一副磁体322和第二副磁体422也可以采用天然磁石。
在本实施例中,第一主磁体321和第二主磁体421均呈长方形,第一副磁体322、第二副磁体422和副极芯424均设有四个,一个第一副磁体322对应第一主磁体321的一个边,一个第二副磁体422对应第二主磁体421的一个边,一个副极芯424对应一个第二副磁体422。
请参阅图2和图6-8,第一音圈312包括具有第一中空内孔3123的第一音圈本体3121以及若干个沿周向间隔设置的第一延伸部3122,第一音圈本体3121之远离第一延伸部3122的一端连接第一振膜311,第一音圈本体3121设于第一磁间隙61内,第一延伸部3122延伸于第二磁间隙62内。第二音圈412包括具有第二中空内孔4123的第二音圈本体4121以及若干个沿周向间隔设置的第二延伸部4122,第二音圈本体4121之远离第二延伸部4122的一端连接第二振膜411,第二音圈本体4121设于第二磁间隙62内,第二延伸部4122延伸于第一磁间隙61内;第一延伸部3122位于第二延伸部4122的外周。在本实施例中,第一延伸部3122和第二延伸部4122均设有四个,一个第一延伸部3122对应一个第二延伸部4122,相应地,磁碗5设有四个穿孔53,一个第一延伸部3122和一个第二延伸部4122穿设于一个穿孔53。在其他实施例中,第一延伸部3122和第二延伸部4122的数量也可以为一个、两个、三个等,或者,不设置第一延伸部3122和第二延伸部4122也是可以的。
请参阅图2、图5和图9-10,第一发声组件3还包括第一盆架33,第一盆架33包括具有第三中空内孔333的第一盆架本体331以及自第一盆架本体331朝靠近第二出音孔131延伸的若干个第一支撑柱332,相邻第一支撑柱332之间间隔设置,第一振膜311的边缘固设于第一盆架本体331之远离第一支撑柱332的端部,第一振膜311遮盖第三中空内孔333。第二发声组件4还包括第二盆架43,第二盆架43包括具有第四中空内孔433的第二盆架本体431以及自第二盆架本体431朝靠近第一端部面板12延伸的若干个第二支撑柱432,相邻第二支撑柱432之间间隔设置,第二振膜411的边缘固设于第二盆架本体431之远离第二支撑柱432的端部,第二振膜411遮盖第四中空内孔433。第二支撑柱432之远离第二盆架本体431的端部连接第一支撑柱332之远离第一盆架本体331的端部。在本实施例中,副极芯424之远离第二磁间隙62的一侧连接第二盆架43并与第二盆架43一体成型。具体地,副极芯424之远离第二磁间隙62的一侧与第二盆架本体431连接,四个副极芯424位于第四中空内孔433中,相邻两个副极芯424与第二盆架本体431形成导气孔434,导气孔434连通第四中空内孔433与容置空间11,因而增强了第二振膜411与第二主极芯423和副极芯424之间的空气流通,降低了第二振膜411与第二主极芯423和副极芯424之间的气压,加快了第二振膜411与第二主极芯423和副极芯424之间的热量散发速度,进而改善了扬声器箱100的声学性能。
请参阅图2-3和图11-12,壳体1还包括从第一端部面板12延伸凸设于容置空间11内的环形支撑台15,第二出音孔131与环形支撑台15间隔相对设置,发声单体2设于环形支撑台15与第二出音孔131之间,第一振膜311与环形支撑台15和第一端部面板12围合形成第一前声腔111,环形支撑台15设有用于连通第一前声腔111与第一出音孔141的开口1511。
优选地,环形支撑台15包括凸设于第一端部面板12上的环形支撑部151和从环形支撑部151朝向第二端部面板13延伸凸设的限位部152,环形支撑部151包括朝向第一前声腔111的第一内侧面1512、与第一内侧面1512相对设置的第一外侧面1513和朝向第二端部面板13设置的支撑端面1514,限位部152包括朝向第一前声腔111的第二内侧面1521和与第二内侧面1521相对设置的第二外侧面1522,第一外侧面1513与第二外侧面1522对齐设置,第一内侧面1512与第一外侧面1513之间的距离L
1大于第二内侧面1521与第二外侧面1522的距离L
2,支撑端面1514与第二内侧面1521围合形成卡槽153,开口1511自第一内侧面1512贯穿延伸至第一外侧面1513,第一盆架33之远离第二盆架43的一端插设于卡槽153内,第一振膜311的边缘夹设于第一盆架33和支撑端面1514之间。
请再次参阅图2-3和图11-12,环形支撑台15的外侧与围板14的内侧之间具有间距,壳体1设有从环形支撑台15之设有开口1511的部位延伸至围板14之设有第一出音孔141的部位的导声通道16,导声通道16贯穿设有连通开口1511与第一出音孔141的连通孔161。第一振膜311振动发出的声音依次通过第一前声腔111、开口1511、连通孔161和第一出音孔141传送到扬声器箱100之外。
本申请实施例还提供一种移动终端(图中未示出),包括设备本体(图中未示出)以及上述的扬声器箱100,扬声器箱100安装于设备本体内,设备本体包括设有第一出声孔210的第一出声面板200,第一出声孔210与第二出音孔131连通。当然,设备本体上还设有与第一出音孔141连通的第二出声孔。
优选地,移动终端还包括环形密封件300,环形密封件300设于第二端部面板13与第一出声面板200之间且环绕于第二出音孔131的外周。
第一发声组件3振动发出的声音依次穿过第一出音孔141、第二出声孔向外发出,从而实现扬声功能,第二发声组件4振动发出的声音依次穿过第二出音孔131、第一出声孔210向外发出,从而实现受话功能(听筒功能)。本实施例通过一个扬声器箱同时实现受话功能和扬声功能,利于移动终端的小型化设计。
以上所述仅是本申请的实施方式,在此应当指出,对于本领域的普通技术人员来说,在不脱离本申请创造构思的前提下,还可以做出改进,但这些均属于本申请的保护范围。
Claims (13)
- 扬声器箱,其特征在于,包括设有容置空间的壳体以及收容于所述容置空间内的发声单体,所述壳体设有第一出音孔和第二出音孔,所述第一出音孔和所述第二出音孔位于所述扬声器箱的不同侧;所述发声单体包括用于朝向所述第一出音孔发声的第一发声组件、用于朝向所述第二出音孔发声的第二发声组件以及具有穿孔的磁碗,所述磁碗包括相对设置的第一表面和第二表面,所述穿孔自所述第一表面贯穿延伸至所述第二表面;所述第一发声组件包括第一振动***和用于驱动所述第一振动***振动发声的第一磁路***,所述第一磁路***具有第一磁间隙,所述第二发声组件包括第二振动***和用于驱动所述第二振动***振动发声的第二磁路***,所述第二磁路***具有第二磁间隙,所述第一磁路***安装于所述第一表面,所述第二磁路***安装于所述第二表面,所述第一磁间隙与所述第二磁间隙通过所述穿孔连通形成磁通道。
- 根据权利要求1所述的扬声器箱,其特征在于,所述壳体包括第一端部面板、与所述第一端部面板间隔相对设置的第二端部面板以及连接于所述第一端部面板之边缘与所述第二端部面板之边缘之间的围板,所述第一出音孔和所述第二出音孔中的一者贯穿设于所述围板上、另一者贯穿设于所述第一端部面板上或者所述第二端部面板上,所述磁碗设于所述第一端部面板与所述第二端部面板之间,所述第一表面朝向所述第一端部面板,所述第二表面朝向所述第二端部面板。
- 根据权利要求2所述的扬声器箱,其特征在于,所述第一出音孔贯穿设于所述围板上,所述第二出音孔贯穿设于所述第二端部面板上;所述第一振动***包括设于所述第一磁路***与所述第一端部面板之间的第一振膜和用于驱动所述第一振膜振动发声的第一音圈,所述第一音圈的一端连接所述第一振膜、另一端从所述第一磁间隙插设于所述磁通道内。
- 根据权利要求3所述的扬声器箱,其特征在于,所述第一磁路***包括第一主磁体、第一副磁体以及第一主极芯,所述第一主磁体和所述第一副磁体均固设于所述第一表面,且所述第一副磁体环绕设置于所述第一主磁体的外周,所述第一副磁体与所述第一主磁体之间形成所述第一磁间隙,所述第一主极芯设于所述第一主磁体之朝向所述第一振膜的一侧。
- 根据权利要求3或4所述的扬声器箱,其特征在于,所述第二振动***包括设于所述第二磁路***与所述第二出音孔之间的第二振膜以及用于驱动所述第二振膜振动发声的第二音圈,所述第二音圈的一端连接所述第二振膜、另一端从所述第二磁间隙插设于所述磁通道内。
- 根据权利要求5所述的扬声器箱,其特征在于,所述第一音圈包括具有第一中空内孔的第一音圈本体以及若干个沿周向间隔设置的第一延伸部,所述第一音圈本体之远离所述第一延伸部的一端连接所述第一振膜,所述第一音圈本体设于所述第一磁间隙内,所述第一延伸部延伸于所述第二磁间隙内;所述第二音圈包括具有第二中空内孔的第二音圈本体以及若干个沿周向间隔设置的第二延伸部,所述第二音圈本体之远离所述第二延伸部的一端连接所述第二振膜,所述第二音圈本体设于所述第二磁间隙内,所述第二延伸部延伸于所述第一磁间隙内;所述第一延伸部位于所述第二延伸部的外周。
- 根据权利要求5所述的扬声器箱,其特征在于,所述第二磁路***包括第二主磁体、第二副磁体、第二主极芯以及副极芯,所述第二主磁体和所述第二副磁体均固设于所述第二表面,且所述第二副磁体环绕设置于所述第二主磁体的外周,所述第二副磁体与所述第二主磁体之间形成所述第二磁间隙;所述第二主极芯设于所述第二主磁体之朝向所述第二振膜的一侧,所述副极芯设于所述第二副磁体之朝向所述第二振膜的一侧。
- 根据权利要求5所述的扬声器箱,其特征在于,所述第一发声组件还包括第一盆架,所述第一盆架包括具有第三中空内孔的第一盆架本体以及自所述第一盆架本体朝靠近所述第二出音孔延伸的若干个第一支撑柱,相邻所述第一支撑柱之间间隔设置,所述第一振膜的边缘固设于所述第一盆架本体之远离所述第一支撑柱的端部;所述第二发声组件还包括第二盆架,所述第二盆架包括具有第四中空内孔的第二盆架本体以及自所述第二盆架本体朝靠近所述第一端部面板延伸的若干个第二支撑柱,相邻所述第二支撑柱之间间隔设置,所述第二振膜的边缘固设于所述第二盆架本体之远离所述第二支撑柱的端部,所述第二支撑柱之远离所述第二盆架本体的端部连接所述第一支撑柱之远离所述第一盆架本体的端部。
- 根据权利要求8所述的扬声器箱,其特征在于,所述壳体还包括从所述第一端部面板延伸凸设于所述容置空间内的环形支撑台,所述第二出音孔与所述环形支撑台间隔相对设置,所述发声单体设于所述环形支撑台与所述第二出音孔之间,所述第一振膜与所述环形支撑台和所述第一端部面板围合形成第一前声腔,所述环形支撑台设有用于连通所述第一前声腔与所述第一出音孔的开口。
- 根据权利要求9所述的扬声器箱,其特征在于,所述环形支撑台的外侧与所述围板的内侧之间具有间距,所述壳体还设有从所述环形支撑台之设有所述开口的部位延伸至所述围板之设有所述第一出音孔的部位的导声通道,所述导声通道贯穿设有连通所述开口与所述第一出音孔的连通孔。
- 根据权利要求9所述的扬声器箱,其特征在于,所述环形支撑台包括凸设于所述第一端部面板上的环形支撑部和从所述环形支撑部朝向所述第二端部面板延伸凸设的限位部,所述环形支撑部包括朝向所述第一前声腔的第一内侧面、与所述第一内侧面相对设置的第一外侧面和朝向所述第二端部面板设置的支撑端面,所述限位部包括朝向所述第一前声腔的第二内侧面和与所述第二内侧面相对设置的第二外侧面,所述第一外侧面与所述第二外侧面对齐设置,所述第一内侧面与所述第一外侧面之间的距离大于所述第二内侧面与所述第二外侧面的距离,所述支撑端面与所述第二内侧面围合形成卡槽,所述开口自所述第一内侧面贯穿延伸至所述第一外侧面,所述第一盆架之远离所述第二盆架的一端插设于所述卡槽内,所述第一振膜的边缘夹设于所述第一盆架和所述支撑端面之间。
- 移动终端,其特征在于,包括设备本体以及如权利要求1至11任一项所述的扬声器箱,所述扬声器箱安装于所述设备本体内,所述设备本体包括设有第一出声孔的第一出声面板,所述第一出声孔与所述第二出音孔连通。
- 根据权利要求12所述的移动终端,其特征在于,所述移动终端还包括环形密封件,所述环形密封件设于所述第二端部面板与所述第一出声面板之间且环绕于所述第二出音孔的外周。
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