CN213661936U - Loudspeaker module and electronic equipment - Google Patents
Loudspeaker module and electronic equipment Download PDFInfo
- Publication number
- CN213661936U CN213661936U CN202022219117.2U CN202022219117U CN213661936U CN 213661936 U CN213661936 U CN 213661936U CN 202022219117 U CN202022219117 U CN 202022219117U CN 213661936 U CN213661936 U CN 213661936U
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- fixing plate
- speaker module
- diaphragm
- magnetic circuit
- voice coil
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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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
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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
Abstract
The utility model provides a loudspeaker module and electronic equipment, loudspeaker module includes basin frame subassembly, magnetic circuit subassembly and vibration subassembly, and the vibration subassembly includes voice coil loudspeaker voice coil and first vibrating diaphragm, flexible connector, skeleton and second vibrating diaphragm, has seted up the mounting groove on the second fixed plate; the framework is connected to the voice coil, the second vibrating diaphragm comprises a first connecting portion, a first fixing portion and a first folding ring portion connected to the first connecting portion and the first fixing portion respectively, at least part of the first connecting portion is fixed in the mounting groove and connected to the second supporting portion, and the first fixing portion is connected to the frame assembly. The speaker module of this embodiment is through having seted up the mounting groove on flexonics spare in order to install the second vibrating diaphragm, and the second vibrating diaphragm can pass through mounting groove and flexonics spare fixed connection, under the prerequisite that guarantees that speaker module has compact structure, further improves the combination area of first connecting portion to improve the firm degree of second vibrating diaphragm, speaker module's reliability can improve.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a speaker technical field especially relates to a speaker module and electronic equipment.
[ background of the invention ]
Along with the development of technique, the speaker that embeds there has been a plurality of vibrating diaphragms has appeared on the market, in the speaker that is provided with a plurality of vibrating diaphragms, use skeleton and a plurality of vibrating diaphragms to glue respectively and separate a plurality of vibrating diaphragms, and the skeleton generally adopts stamping process to make, but stamping process can make the skeleton form certain angle of bending at the position of buckling, the skeleton just can't joint effectively with the vibrating diaphragm at its position of buckling, thereby lead to the vibrating diaphragm can't closely laminate with the skeleton, and then influence the firm degree of installation of vibrating diaphragm, the reliability of speaker receives the influence thereupon.
[ Utility model ] content
In view of this, the utility model provides a speaker module and electronic equipment for solve in the speaker that has a plurality of vibrating diaphragms, combine the not good problem of effect between vibrating diaphragm and the skeleton.
The utility model provides a loudspeaker module, which comprises a basin frame component, a magnetic circuit component and a vibration component, wherein the magnetic circuit component is fixed on the basin frame component, and at least part of the magnetic circuit component is arranged in the vibration component in a penetrating way; vibration subassembly includes voice coil loudspeaker voice coil and first vibrating diaphragm, first vibrating diaphragm is fixed in respectively the basin frame subassembly with magnetic circuit assembly, the voice coil loudspeaker voice coil for magnetic circuit assembly is mobilizable, magnetic circuit assembly is used for the drive the voice coil loudspeaker voice coil removes so that first vibrating diaphragm vibration sound production, vibration subassembly still includes:
the flexible connecting piece and the first vibrating diaphragm are sequentially arranged at intervals along the moving direction of the voice coil, and the flexible connecting piece comprises a first fixing plate, a second fixing plate and flexible parts respectively connected to the first fixing plate and the second fixing plate; the first fixing plate is connected with the basin frame assembly, the second fixing plate is movable relative to the first fixing plate, and an installation groove is formed in the second fixing plate;
the framework is connected to the voice coil, and at least part of the magnetic circuit component is inserted into the framework; the framework comprises a first supporting part, a second supporting part and bending parts respectively connected to the first supporting part and the second supporting part, the first supporting part is connected to the first vibrating diaphragm, and the second supporting part is connected to the second fixing plate; and
the second vibrating diaphragm comprises a first connecting portion, a first fixing portion and a first folding ring portion, wherein the first folding ring portion is connected with the first connecting portion and the first fixing portion respectively, at least part of the first connecting portion is fixed in the mounting groove and connected with the second supporting portion, and the first fixing portion is connected with the basin frame assembly.
In some embodiments of the present invention, the first connecting portion is fixed to the inner wall of the mounting groove.
In some embodiments of the present invention, the second fixing plate has a first connecting surface, a second connecting surface and an intermediate surface respectively connected to the first connecting surface and the second connecting surface, the first connecting surface is fixed to the second supporting portion by bonding, and the mounting groove is disposed on the second connecting surface and penetrates through the intermediate surface.
In some embodiments of the present invention, in the moving direction of the voice coil, the distance between the first connection portion and the first connection surface is 0.03 mm.
In some embodiments of the present invention, the second fixing plate has a first connecting surface, a second connecting surface and an intermediate surface respectively connected to the first connecting surface and the second connecting surface, the first connecting surface is fixed to the second supporting portion by gluing, the mounting groove is formed on the first connecting surface and penetrates through the intermediate surface, and the first connecting portion is fixed to the second supporting portion by gluing.
In some embodiments of the present invention, the second fixing plate has a first connecting surface, a second connecting surface and a middle surface respectively connected to the first connecting surface and the second connecting surface, the first connecting surface is fixed to the second supporting portion by bonding, the mounting groove is opened on the middle surface, and the first connecting portion is inserted into the mounting groove.
In some embodiments of the present invention, the first diaphragm includes a first membrane, a second membrane and a top connected to the first membrane and the top of the second membrane, the top of the ball is connected to the first supporting portion, the first membrane is far away from one side of the top of the ball and the magnetic circuit assembly is fixedly connected, and the second membrane is far away from one side of the top of the ball and the basin stand assembly is fixedly connected.
In some embodiments of the present invention, the dome has a first connecting groove and a second connecting groove, the first film is at least partially disposed in the first connecting groove, and the second film is at least partially disposed in the second connecting groove.
In some embodiments of the present invention, the frame assembly includes a bottom plate, a support plate and an outer frame, the bottom plate and the outer frame enclose a mounting cavity for accommodating the magnetic circuit assembly and the vibration assembly, the magnetic circuit assembly is fixed on the bottom plate, and the support plate is connected to the outer frame and located in the mounting cavity; the first vibrating diaphragm and the flexible connecting piece are respectively arranged on two opposite sides of the supporting plate, the first fixing plate and the first fixing part are connected to the supporting plate, and one side, far away from the top of the ball, of the second diaphragm is connected to the outer basin frame.
In some embodiments of the present invention, the first support portion is parallel to the second support portion, and the bending portion is perpendicular to the first support portion and the second support portion.
In some embodiments of the present invention, the bending portion is disposed around the magnetic circuit assembly, and a plurality of through holes are spaced and uniformly opened along the contour path of the bending portion.
The utility model discloses an in some embodiments, flexible connection spare still including connect in the pad portion of second fixed plate, seted up on the second supporting part corresponding to the connecting hole of pad portion, the voice coil loudspeaker voice coil has the lead wire, the lead wire wear to locate the connecting hole and with pad portion welding.
In some embodiments of the present invention, the number of the flexible connection members is two sets, and two sets of the flexible connection members are disposed with the magnetic circuit assembly as a central symmetry, and each set of the flexible connection members the first fixing plate is connected to the basin frame assembly, and each set of the flexible connection members the second fixing plate is connected to the second support portion.
The utility model also provides an electronic equipment, including casing and the arbitrary one of the aforesaid speaker module, the speaker module is located in the casing.
Implement the embodiment of the utility model provides a, following beneficial effect has:
in the speaker module of this embodiment, the second fixing plate of the flexible connecting member is connected to the framework, and the second fixing plate is provided with an installation groove for connecting the second diaphragm; when the speaker module of this embodiment is assembled, the first connecting portion and the mounting groove fixed connection of second vibrating diaphragm to with the first fixed part and the basin frame subassembly fixed connection of second vibrating diaphragm, later be fixed in the skeleton with the second fixed plate again on. Compare in the structure of current speaker module, the speaker module of this embodiment is through having seted up the mounting groove on flexonics spare with the installation second vibrating diaphragm, and the second vibrating diaphragm can pass through mounting groove and flexonics spare fixed connection, under the prerequisite that guarantees that speaker module has compact structure, further improves the combination area of first connecting portion to improve the firm degree of second vibrating diaphragm, speaker module's reliability can improve.
[ description of the drawings ]
Fig. 1 is a schematic diagram of an electronic device in an embodiment of the invention;
fig. 2 is a schematic diagram of a speaker unit according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a speaker unit according to an embodiment of the present invention;
fig. 4 is a partial schematic structural view of a flexible connector according to an embodiment of the present invention;
fig. 5 is a partial schematic structural view of a flexible connection unit in another perspective in an embodiment of the invention;
fig. 6 is a partial structural schematic view of the frame in an embodiment of the present invention;
fig. 7 is a schematic partial sectional view of a speaker unit according to an embodiment of the present invention;
FIG. 8 is an enlarged view of detail B of FIG. 7;
FIG. 9 is a schematic view of a portion of the structure of FIG. 8;
fig. 10 is a schematic partial structure diagram of a speaker unit according to another embodiment of the present invention;
fig. 11 is a schematic partial structure diagram of a speaker unit according to another embodiment of the present invention;
FIG. 12 is an enlarged view of detail C of FIG. 7;
in the figure:
1. an electronic device;
10. a speaker module;
100. a basin stand assembly;
110. a base plate; 111. a mounting cavity;
120. a support plate;
130. an outer basin frame;
200. a magnetic circuit assembly;
210. a main magnetic portion; 221. a first outer magnetic portion; 222. a second external magnetic part; 223. a third outer magnetic portion; 224. a fourth outer magnetic portion;
230. a main pole core; 241. a first outer pole core; 242. a second external pole core;
250. an upper magnetic yoke;
260. a gasket;
270. a secondary magnetic part;
300. a vibrating assembly;
310. a voice coil;
320. a first diaphragm; 321. a first membrane body; 3211. a second connecting portion; 3212. a second flange part; 3213. a second fixed part; 322. a ball top; 3221. a first connecting groove; 3222. a second connecting groove; 323. a second membrane body; 3231. a third connecting portion; 3232. a third hinge part; 3233. a third fixed part;
330. a flexible connector; 331. a first fixing plate; 332. a flexible portion; 333. a second fixing plate; 3331. mounting grooves; 3332. a first connection face; 3333. a middle surface; 3334. a second connection face; 334. a pad part;
340. a framework; 341. a first support section; 342. a bending section; 3421. a through hole; 343. a second support portion; 3431. an accommodating space; 3432. connecting holes;
350. a second diaphragm; 351. a first connection portion; 352. a first hinge part; 353. a first fixed part;
20. a housing.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1, an embodiment of the present invention provides an electronic device 1, which includes a housing 20 and a speaker module 10 disposed in the housing 20. Specifically, referring to fig. 2, the speaker module 10 includes a frame assembly 100, a magnetic circuit assembly 200 and a vibration assembly 300, wherein the magnetic circuit assembly 200 is fixed on the frame assembly 100, and at least a portion of the magnetic circuit assembly 200 is inserted into the vibration assembly 300; referring to fig. 3, the vibration assembly 300 includes a voice coil 310 and a first diaphragm 320, the voice coil 310 is movable relative to the magnetic circuit assembly 200, and the magnetic circuit assembly 200 is used for driving the voice coil 310 to move so as to vibrate the first diaphragm 320 to generate sound.
Further, the vibration assembly 300 further includes a flexible connecting member 330, a skeleton 340, and a second diaphragm 350: the flexible connecting member 330 and the first diaphragm 320 are sequentially arranged at intervals along the moving direction of the voice coil 310; with continued reference to fig. 4 and 5, the flexible connecting element 330 includes a first fixing plate 331, a second fixing plate 333, and a flexible portion 332 connected to the first fixing plate 331 and the second fixing plate 333, respectively; the first fixing plate 331 is connected to the frame assembly 100, the second fixing plate 333 is movable relative to the first fixing plate 331, and the second fixing plate 333 is provided with a mounting groove 3331; the bobbin 340 is connected to the voice coil 310, and the magnetic circuit assembly 200 is at least partially inserted into the bobbin 340; referring to fig. 6, the frame 340 includes a first supporting portion 341, a second supporting portion 343, and a bending portion 342 connected to the first supporting portion 341 and the second supporting portion 343, respectively, wherein the first supporting portion 341 is connected to the first diaphragm 320, and the second supporting portion 343 is connected to the second fixing plate 333; the second diaphragm 350 includes a first connection portion 351, a first fixing portion 353, and a first collar portion 352 connected to the first connection portion 351 and the first fixing portion 353, respectively, and the first connection portion 351 is at least partially fixed in the mounting groove 3331 and connected to the second supporting portion 343, and the first fixing portion 353 is connected to the frame assembly 100.
In the speaker module 10 of this embodiment, the second fixing plate 333 of the flexible connecting member 330 is connected to the frame 340, and the second fixing plate 333 is provided with an installation groove 3331 for connecting the second diaphragm 350; when the speaker module 10 of the present embodiment is assembled, the first connecting portion 351 of the second diaphragm 350 is fixedly connected to the mounting groove 3331, the first fixing portion 353 of the second diaphragm 350 is fixedly connected to the frame assembly 100, and then the second fixing plate 333 is fixed to the framework 340. Compared with the structure of the conventional speaker module 10, the speaker module 10 of this embodiment further increases the combination area of the first connection portion 351 by providing the mounting groove 3331 on the flexible connection member 330 to mount the second diaphragm 350, and the second diaphragm 350 can be fixedly connected to the flexible connection member 330 through the mounting groove 3331, on the premise that the speaker module 10 has a compact structure, so as to increase the firmness of the second diaphragm 350, and improve the reliability of the speaker module 10. Referring to fig. 3, the X direction is defined as the moving direction of the voice coil 310.
In one embodiment, the first connecting portion 351 is adhesively fixed to the inner wall of the mounting groove 3331. When the speaker module 10 of this embodiment is assembled, an adhesive may be coated on an outer wall of the first connecting portion 351 or an inner wall of the mounting groove 3331, and then the first connecting portion 351 is attached to the inner wall of the mounting groove 3331, so that the second diaphragm 350 is fixedly connected to the flexible connecting member 330, and then the second fixing plate 333 of the flexible connecting member 330 is fixed to the second supporting portion 343 of the frame 340, so as to ensure the joint firmness between the second diaphragm 350 and the flexible connecting member 330; compare in traditional speaker module, second vibrating diaphragm 350 is connected with flexible connectors 330 after and then with skeleton 340 joint, can avoid because second vibrating diaphragm 350 leads to the coincidence degree of second vibrating diaphragm 350 and skeleton 340 to reduce corresponding to the structure of buckling that skeleton 340 formed in stamping process to influence the firm degree of second vibrating diaphragm 350, excellent in use effect.
Referring to fig. 7 and 8, in an embodiment, the second fixing plate 333 has a first connecting surface 3332, a second connecting surface 3334 and a middle surface 3333 respectively connected to the first connecting surface 3332 and the second connecting surface 3334, the first connecting surface 3332 is adhesively fixed to the second supporting portion 343, and the mounting groove 3331 is disposed on the second connecting surface 3334 and penetrates through the middle surface 3333.
It can be understood that, when the speaker module 10 of the present embodiment is assembled, referring to the placing state shown in fig. 8, the first connecting portion 351 of the second diaphragm 350 is attached to the mounting groove 3331 from bottom to top, at this time, the top surface of the first connecting portion 351 abuts against the inner wall of the mounting groove 3331, the first connecting portion 351 is fixed in the mounting groove 3331, and then the first connecting surface 3332 of the second fixing plate 333 is attached to the second supporting portion 343 of the framework 340, so that the first connecting portion 351 of the second diaphragm 350 can be fixed.
Referring to fig. 8, in the conventional speaker module, the width of the first connection portion 351 is limited, and when the first connection portion 351 is directly attached to the second support portion 343 of the frame 340, the bending structure formed between the bending portion 342 and the second support portion 343 cannot be closely attached to the first connection portion 351, and in the speaker module 10 of the present embodiment, by forming the mounting groove 3331 on the second fixing plate 333 of the flexible connecting member 330, the contact area between the first connection portion 351 and the second fixing plate 333 is increased as much as possible without affecting the coupling effect between the second fixing plate 333 and the frame 340 and the external dimension of the flexible connecting member 330, so as to increase the connection firmness between the second diaphragm 350 and the flexible connecting member 330.
Specifically, in one embodiment, the distance between the first connecting portion 351 and the first connecting surface 3332 is 0.03mm in the moving direction of the voice coil 310. With continued reference to fig. 9, L is defined as the distance between the first connection portion 351 and the first connection face 3332. With this arrangement, on the premise that the second diaphragm 350 and the flexible connecting member 330 in the speaker module 10 have good connection firmness, the second fixing plate 333 of the flexible connecting member 330 can have a compact structure. In other embodiments, L may also be set to a corresponding size according to practical situations, and is not limited herein.
Referring to fig. 10, in another embodiment, the second fixing plate 333 has a first connection surface 3332, a second connection surface 3334 and a middle surface 3333 respectively connected to the first connection surface 3332 and the second connection surface 3334, the first connection surface 3332 is glued and fixed to the second supporting portion 343, the mounting groove 3331 is disposed on the first connection surface 3332 and penetrates through the middle surface 3333, and the first connection portion 351 is glued and fixed to the second supporting portion 343.
Referring to the placing state shown in fig. 10, in the embodiment, the lower side surface of the first connecting portion 351 and the outer side surface of the first connecting portion 351 far from the end of the first collar portion 352 are attached and fixedly connected to the inner wall of the mounting groove 3331, and the upper side surface of the second diaphragm 350 can be attached to the second supporting portion 343 and can be fixedly connected by adhesion, so that the connecting firmness of the second diaphragm 350 can be further improved.
Referring to fig. 11, in another embodiment, the second fixing plate 333 has a first connecting surface 3332, a second connecting surface 3334 and a middle surface 3333 respectively connected to the first connecting surface 3332 and the second connecting surface 3334, the first connecting surface 3332 is adhesively fixed to the second supporting portion 343, the mounting groove 3331 is opened on the middle surface 3333, and the first connecting portion 351 is inserted into the mounting groove 3331.
It can be understood that, compared to the above-mentioned embodiment, in the present embodiment, the first connecting portion 351 of the second diaphragm 350 is inserted into the mounting groove 3331, and the outer side surface of the first connecting portion 351 away from the first collar portion 352 is attached to the inner side wall of the mounting groove 3331, so that the second diaphragm 350 and the second fixing plate 333 have higher connection firmness.
Specifically, in an embodiment, the first diaphragm 320 includes a first film 321, a second film 323, and a dome 322 respectively connected to the first film 321 and the second film 323, the dome 322 is connected to the first supporting portion 341, a side of the first film 321 away from the dome 322 is connected to the magnetic circuit assembly 200, and a side of the second film 323 away from the dome 322 is connected to the frame assembly 100.
Referring to fig. 3, 7 and 8, when the magnetic circuit assembly 200 drives the voice coil 310 to move, the voice coil 310 may drive the bobbin 340 to move together and further drive the dome 322 to vibrate, and after the dome 322 vibrates, the first diaphragm 320 and the second diaphragm 323 connected thereto are driven to vibrate, so as to implement sound production of the speaker module 10. In other embodiments, the dome 322 may be eliminated, and the first film body 321, the second film body 323 and the first supporting portion 341 may be connected to realize the vibration function of the first diaphragm 320.
Further, referring to fig. 12, the dome 322 is provided with a first connecting groove 3221 and a second connecting groove 3222, the first film body 321 is at least partially disposed in the first connecting groove 3221, and the second film body 323 is at least partially disposed in the second connecting groove 3222.
When the first diaphragm 320 of this embodiment is assembled, the first film body 321 is positioned on the dome 322 through the first connecting groove 3221, and the second film body 323 is positioned on the dome 322 through the second connecting groove 3222.
Specifically referring to the embodiment shown in fig. 12, the first diaphragm 321 includes a second flange portion 3212, and a second connecting portion 3211 and a second fixing portion 3213 respectively connected to the second flange portion 3212, the second connecting portion 3211 is at least partially disposed in the first connecting groove 3221, the second fixing portion 3213 is fixedly connected to the frame assembly 100, and the second connecting portion 3211 is movable relative to the second fixing portion 3213; the second film body 323 includes a third loop portion 3232, and a third connection portion 3231 and a third fixing portion 3233 connected to the third loop portion 3232, respectively, the third connection portion 3231 is at least partially disposed in the second connection groove 3222, the third fixing portion 3233 is fixedly connected to the magnetic circuit assembly 200, and the third connection portion 3231 is movable with respect to the third fixing portion 3233.
Referring to fig. 2, 7 and 8, in particular, in an embodiment, the frame assembly 100 includes a bottom plate 110, a support plate 120 and an outer frame 130, the bottom plate 110 and the outer frame 130 enclose a mounting cavity 111 for accommodating the magnetic circuit assembly 200 and the vibration assembly 300, the magnetic circuit assembly 200 is fixed on the bottom plate 110, and the support plate 120 is connected to the outer frame 130 and located in the mounting cavity 111; the first diaphragm 320 and the flexible connecting member 330 are respectively disposed on two opposite sides of the support plate 120, the first fixing plate 331 and the first fixing portion 353 are both connected to the support plate 120, and one side of the second membrane 323 away from the dome 322 is connected to the outer frame 130.
Referring to fig. 6 and 8, in an embodiment, the first supporting portion 341 is parallel to the second supporting portion 343, and the bending portion 342 is perpendicular to the first supporting portion 341 and the second supporting portion 343. Referring to fig. 8, the cross-section of the frame 340 is substantially zigzag, so that the stress at the connection portion of the bending portion 342 and the first and second supporting portions 341 and 343 when the frame 340 supports the first and second diaphragms 320 and 350 can be reduced, thereby improving the durability of the frame 340.
Further, referring to fig. 6, the bent portion 342 is disposed around the magnetic circuit assembly 200, and a plurality of through holes 3421 are disposed at intervals and uniformly along the contour path of the bent portion 342. Therefore, the weight of the framework 340 can be reduced on the premise of not changing the overall structure of the framework 340.
Referring to fig. 4, in an embodiment, the flexible connecting member 330 further includes a pad portion 334 connected to the second fixing plate 333, the second supporting portion 343 is formed with a connecting hole 3432 corresponding to the pad portion 334, the voice coil 310 has a lead (not shown), and the lead is inserted into the connecting hole 3432 and welded to the pad portion 334. With this arrangement, the circuit connection of the voice coil 310 can be realized, and the sound generating function of the speaker module 10 can be realized.
Specifically, in one embodiment, the number of the flexible connecting elements 330 is two, and the two flexible connecting elements 330 are symmetrically arranged around the magnetic circuit assembly 200, the first fixing plate 331 of each flexible connecting element 330 is connected to the frame assembly 100, and the second fixing plate 333 of each flexible connecting element 330 is connected to the second supporting portion 343. By providing two sets of flexible connectors 330, a more balanced supporting effect can be provided for the frame 340 and the second diaphragm 350. In other embodiments, the flexible connecting members 330 may be provided in four sets, and the four sets of flexible connecting members 330 are respectively provided in four directions of the magnetic circuit assembly 200 in the horizontal plane.
Further, referring to fig. 3, the frame 340 has an accommodating space 3431 therein, the magnetic circuit assembly 200 includes a magnetic part group, a pole core group and an upper magnetic yoke 250, the magnetic part group is fixed on the bottom plate 110, and two opposite ends of the pole core group along the X direction are respectively connected to the magnetic part group and the upper magnetic yoke 250; the magnetic portion group includes a main magnetic portion 210 and an outer magnetic portion surrounding the main magnetic portion 210, a magnetic portion gap is formed between the main magnetic portion and the outer magnetic portion, the pole core group includes a main pole core 230 and an outer pole core surrounding the main pole core 230, a pole core gap communicated with the magnetic portion gap is formed between the main pole core and the outer pole core, and the voice coil 310 is movably disposed in the magnetic portion gap and/or the pole core gap.
Referring to fig. 3, in an embodiment, the main magnetic portion 210 is substantially rectangular, and the outer magnetic portions include two sets of first outer magnetic portions 221 and two sets of second outer magnetic portions 222, the two sets of first outer magnetic portions 221 are respectively disposed on two opposite sides of the main magnetic portion 210, and the two sets of second outer magnetic portions 222 are disposed on the other two sides of the main magnetic portion 210. In other embodiments, the outer magnet may also be provided as a ring magnet.
In the present embodiment, the main pole core 230 is substantially rectangular, and the outer pole cores include two sets of first outer pole cores 241 and two sets of second outer pole cores 242, the two sets of first outer pole cores 241 are respectively disposed on two opposite sides of the main pole core 230, and the two sets of second outer pole cores 242 are disposed on the other two sides of the main pole core 230. In other embodiments, the outer pole piece may also be provided as a ring magnet.
Referring to the embodiment shown in fig. 3, the first outer magnetic portion 221 and the first outer pole core 241 are respectively inserted into the frame 340, and the main magnetic portion 210, the second outer magnetic portion 222, the main pole core 230, and the second outer pole core 242 are disposed in the accommodating space 3431. With this arrangement, the present speaker module 10 can be made to have a compact structure, facilitating the mounting arrangement of the speaker module 10 within the housing 20.
Further, the magnetic circuit assembly 200 further includes a secondary magnetic portion 270, the secondary magnetic portion 270 is disposed on a side of the main pole core 230 away from the main magnetic portion 210; the outer magnetic portion group further includes two sets of third outer magnetic portions 223 and two sets of fourth outer magnetic portions 224, the third outer magnetic portions 223 are disposed on a side of the second outer pole core 242 away from the second outer magnetic portion 222, and the fourth outer magnetic portions 224 are disposed on a side of the second outer pole core 242 away from the first outer magnetic portion 221.
In this embodiment, the main magnetic portion 210, the first outer magnetic portion 221, and the second outer magnetic portion 222 form a main magnetic portion group, the secondary magnetic portion 270, the third outer magnetic portion 223, and the fourth outer magnetic portion 224 form a secondary magnetic portion group, and in the X direction, the main magnetic portion group and the secondary magnetic portion group are respectively disposed on two sides of the main pole core 230, and through the cooperation of the main magnetic portion group and the secondary magnetic portion group, the magnetic field strength of the magnetic circuit assembly 200 can be improved, thereby improving the performance of the speaker module 10.
Further, referring to fig. 3 and 12, the magnetic circuit assembly 200 further includes a washer 260, the second fixing portion 3213, the washer 260, and the upper yoke 250 are sequentially disposed along the X direction, and the washer 260 abuts against the second fixing portion 3213 and the upper yoke 250, respectively.
In this way, in the speaker module 10 of the present embodiment, the gasket 260 supports the upper yoke 250 and the second flange portion 3212, respectively, so as to prevent the upper yoke 250 from directly contacting the second fixing portion 3213 and damaging the second fixing portion 3213. In some embodiments, the gasket 260 may be made of a flexible material such as rubber, silicone, etc. In other embodiments, the washer 260 may be made of a material having a hardness lower than that of the second securing portion 3213, so as to avoid damaging the washer 260. The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (14)
1. A loudspeaker module comprises a frame assembly, a magnetic circuit assembly and a vibration assembly, wherein the magnetic circuit assembly is fixed on the frame assembly, and at least part of the magnetic circuit assembly penetrates through the vibration assembly; vibration subassembly includes voice coil loudspeaker voice coil and first vibrating diaphragm, first vibrating diaphragm is fixed in respectively the basin frame subassembly with magnetic circuit assembly, the voice coil loudspeaker voice coil for magnetic circuit assembly is mobilizable, magnetic circuit assembly is used for the drive the voice coil loudspeaker voice coil removes so that first vibrating diaphragm vibration sound production, its characterized in that, vibration subassembly still includes:
the flexible connecting piece and the first vibrating diaphragm are sequentially arranged at intervals along the moving direction of the voice coil, and the flexible connecting piece comprises a first fixing plate, a second fixing plate and flexible parts respectively connected to the first fixing plate and the second fixing plate; the first fixing plate is connected with the basin frame assembly, the second fixing plate is movable relative to the first fixing plate, and an installation groove is formed in the second fixing plate;
the framework is connected to the voice coil, and at least part of the magnetic circuit component is inserted into the framework; the framework comprises a first supporting part, a second supporting part and bending parts respectively connected to the first supporting part and the second supporting part, the first supporting part is connected to the first vibrating diaphragm, and the second supporting part is connected to the second fixing plate; and
the second vibrating diaphragm comprises a first connecting portion, a first fixing portion and a first folding ring portion, wherein the first folding ring portion is connected with the first connecting portion and the first fixing portion respectively, at least part of the first connecting portion is fixed in the mounting groove and connected with the second supporting portion, and the first fixing portion is connected with the basin frame assembly.
2. The speaker module as claimed in claim 1, wherein the first connecting portion is adhesively fixed to the inner wall of the mounting groove.
3. The speaker module as claimed in claim 2, wherein the second fixing plate has a first connecting surface, a second connecting surface and a middle surface connected to the first connecting surface and the second connecting surface, the first connecting surface is fixed to the second supporting portion by bonding, and the mounting groove is disposed on the second connecting surface and penetrates through the middle surface.
4. The speaker module as claimed in claim 3, wherein the distance between the first connection portion and the first connection face is 0.03mm in the moving direction of the voice coil.
5. The speaker module as claimed in claim 2, wherein the second fixing plate has a first connecting surface, a second connecting surface and a middle surface connected to the first connecting surface and the second connecting surface, respectively, the first connecting surface is fixed to the second supporting portion by gluing, the mounting groove is disposed on the first connecting surface and penetrates through the middle surface, and the first connecting portion is fixed to the second supporting portion by gluing.
6. The speaker module as claimed in claim 2, wherein the second fixing plate has a first connecting surface, a second connecting surface and a middle surface connected to the first connecting surface and the second connecting surface, respectively, the first connecting surface and the second supporting portion are bonded and fixed, the mounting groove is opened on the middle surface, and the first connecting portion is inserted into the mounting groove.
7. The loudspeaker module as recited in claim 1, wherein the first diaphragm comprises a first diaphragm body, a second diaphragm body and a dome connected to the first diaphragm body and the second diaphragm body, respectively, the dome is connected to the first supporting portion, a side of the first diaphragm body away from the dome is fixedly connected to the magnetic circuit assembly, and a side of the second diaphragm body away from the dome is fixedly connected to the frame assembly.
8. The speaker module as claimed in claim 7, wherein the dome defines a first connecting groove and a second connecting groove, the first diaphragm is at least partially disposed in the first connecting groove, and the second diaphragm is at least partially disposed in the second connecting groove.
9. The speaker module as claimed in claim 7, wherein the frame assembly comprises a bottom plate, a support plate and an outer frame, the bottom plate and the outer frame enclosing to form a mounting cavity for accommodating the magnetic circuit assembly and the vibration assembly, the magnetic circuit assembly being fixed on the bottom plate, the support plate being connected to the outer frame and located in the mounting cavity; the first vibrating diaphragm and the flexible connecting piece are respectively arranged on two opposite sides of the supporting plate, the first fixing plate and the first fixing part are connected to the supporting plate, and one side, far away from the top of the ball, of the second diaphragm is connected to the outer basin frame.
10. The speaker module as claimed in claim 1, wherein the first support portion is parallel to the second support portion, and the bending portion is perpendicular to the first support portion and the second support portion.
11. The speaker module as claimed in claim 1, wherein the bending portion is disposed around the magnetic circuit assembly, and a plurality of through holes are disposed along the contour path of the bending portion at intervals and uniformly.
12. The speaker module as claimed in claim 1, wherein the flexible connecting member further comprises a pad portion connected to the second fixing plate, the second supporting portion has a connecting hole corresponding to the pad portion, and the voice coil has a lead wire passing through the connecting hole and welded to the pad portion.
13. The speaker module as claimed in claim 1, wherein the number of the flexible connecting members is two, and the two flexible connecting members are symmetrically disposed around the magnetic circuit assembly, the first fixing plate of the flexible connecting member of each set is connected to the frame assembly, and the second fixing plate of the flexible connecting member of each set is connected to the second supporting portion.
14. An electronic device comprising a housing and the speaker module of any one of claims 1-13, wherein the speaker module is disposed in the housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022219117.2U CN213661936U (en) | 2020-09-30 | 2020-09-30 | Loudspeaker module and electronic equipment |
| PCT/CN2020/124208 WO2022067924A1 (en) | 2020-09-30 | 2020-10-28 | Loudspeaker module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022219117.2U CN213661936U (en) | 2020-09-30 | 2020-09-30 | Loudspeaker module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213661936U true CN213661936U (en) | 2021-07-09 |
Family
ID=76699903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022219117.2U Active CN213661936U (en) | 2020-09-30 | 2020-09-30 | Loudspeaker module and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213661936U (en) |
| WO (1) | WO2022067924A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462925A (en) * | 2018-01-04 | 2018-08-28 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN207869371U (en) * | 2018-01-27 | 2018-09-14 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN208638583U (en) * | 2018-08-01 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN109218934A (en) * | 2018-08-06 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | The manufacturing method of microphone device and the microphone device |
| CN208638652U (en) * | 2018-08-06 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN208638712U (en) * | 2018-08-13 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
-
2020
- 2020-09-30 CN CN202022219117.2U patent/CN213661936U/en active Active
- 2020-10-28 WO PCT/CN2020/124208 patent/WO2022067924A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2022067924A1 (en) | 2022-04-07 |
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