CN213342571U - Loudspeaker box and mobile terminal - Google Patents
Loudspeaker box and mobile terminal Download PDFInfo
- Publication number
- CN213342571U CN213342571U CN202022151140.2U CN202022151140U CN213342571U CN 213342571 U CN213342571 U CN 213342571U CN 202022151140 U CN202022151140 U CN 202022151140U CN 213342571 U CN213342571 U CN 213342571U
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- plate body
- sound outlet
- transverse plate
- end panel
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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
Abstract
The utility model provides a loudspeaker box and a mobile terminal, wherein the loudspeaker box comprises a shell body provided with a containing space and a sounding monomer contained in the containing space, the shell body is provided with a first sound outlet and a second sound outlet, and the first sound outlet and the second sound outlet are positioned on different sides of the loudspeaker box; the sound production unit comprises a magnetic bowl, a first sound production assembly and a second sound production assembly, the first sound production assembly is used for producing sound towards the first sound outlet, the second sound production assembly is used for producing sound towards the second sound outlet, the magnetic bowl comprises a first transverse plate body, a vertical plate body and a second transverse plate body, the first transverse plate body and the second transverse plate body respectively extend reversely from two ends of the vertical plate body, and the first transverse plate body and the first sound outlet are arranged oppositely at intervals; the first horizontal plate body and the vertical plate body are enclosed to form a first containing groove for containing the first sounding assembly, and the second horizontal plate body and the vertical plate body are enclosed to form a second containing groove for containing the second sounding assembly. The utility model provides a speaker box has the function of raising one's voice and earphone function simultaneously.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an acoustoelectric technology field especially relates to a speaker box and mobile terminal.
[ background of the invention ]
At present, a speaker box for playing sound is widely applied to an intelligent mobile terminal, and for some mobile terminal devices (such as mobile phones), not only the speaker box for playing sound but also a receiver for not playing sound need to be configured, which is not favorable for the development of lightness and thinness of the intelligent mobile terminal.
Therefore, there is a need for a speaker box that integrates speaker function and earpiece function.
[ Utility model ] content
An object of the utility model is to provide a speaker box to solve current speaker box and only be used for the technical problem of function of raising one's voice or receiver effect.
The technical scheme that one of the purposes of the utility model provides as follows: the loudspeaker box comprises a shell with an accommodating space and a sounding monomer accommodated in the accommodating space, wherein the shell is provided with a first sound outlet hole and a second sound outlet hole which are positioned on different sides of the loudspeaker box; the sound generating unit comprises a magnetic bowl, a first sound generating assembly and a second sound generating assembly, the first sound generating assembly is used for generating sound towards the first sound outlet, the second sound generating assembly is used for generating sound towards the second sound outlet, the magnetic bowl comprises a first transverse plate body, a vertical plate body and a second transverse plate body, the first transverse plate body and the second transverse plate body respectively extend reversely from two ends of the vertical plate body, and the first transverse plate body and the first sound outlet are arranged oppositely at intervals; the first transverse plate body and the vertical plate body are enclosed to form a first accommodating groove, the first sounding assembly is accommodated in the first accommodating groove, the second transverse plate body and the vertical plate body are enclosed to form a second accommodating groove, and the second sounding assembly is accommodated in the second accommodating groove.
Further, the casing includes a first end panel, a second end panel disposed opposite to the first end panel at an interval, and a surrounding plate connected between an edge of the first end panel and an edge of the second end panel, and one of the first sound outlet and the second sound outlet is disposed on the first end panel or the second end panel in a penetrating manner, and the other is disposed on the surrounding plate in a penetrating manner.
Furthermore, the first sound outlet hole penetrates through the first end panel, and the second sound outlet hole penetrates through the enclosing plate; the first sound-emitting component comprises a first vibration system and a first magnetic circuit system used for driving the first vibration system to vibrate and emit sound, the first magnetic circuit system is provided with a first magnetic gap, the first transverse plate body is provided with a first surface facing the first end panel, the first magnetic circuit system is installed on the first surface, the first vibration system comprises a first vibrating diaphragm arranged between the first magnetic circuit system and the first sound outlet and a first voice coil used for driving the first vibrating diaphragm to vibrate and emit sound, one end of the first voice coil is inserted into the first magnetic gap, and the other end of the first vibrating diaphragm is connected with the other end of the first vibrating diaphragm.
Further, the first magnetic circuit system comprises a first main magnet, a first auxiliary magnet, a first main pole core and a first auxiliary pole core, wherein the first main magnet and the first auxiliary magnet are fixedly arranged on the first surface, the first auxiliary magnet is arranged around the periphery of the first main magnet, and a first magnetic gap is formed between the first auxiliary magnet and the first main magnet; the first main pole core is arranged on one side, facing the first vibrating diaphragm, of the first main magnet, and the first auxiliary pole core is arranged on one side, facing the first vibrating diaphragm, of the first auxiliary magnet.
Further, first subassembly of making a sound still includes first basin frame, first basin frame including the first basin frame body that has first cavity hole and certainly first basin frame body is close to the first support column of a plurality of first horizontal plate body extension, it is adjacent the interval sets up between the first support column, keeping away from of first support column the end connection of first basin frame body first surface, the edge of first vibrating diaphragm set firmly in keeping away from of first basin frame body the tip of first support column.
Further, the second sound production assembly comprises a second vibration system and a second magnetic circuit system used for driving the second vibration system to produce sound through vibration, the second magnetic circuit system is provided with a second magnetic gap, the second transverse plate body is provided with a second surface facing the first end panel and attached to the first end panel and a third surface facing the second end panel, the second magnetic circuit system is installed on the third surface, the second vibration system comprises a second vibrating diaphragm arranged between the second magnetic circuit system and the second end panel and a second voice coil used for driving the second vibrating diaphragm to produce sound through vibration, one end of the second voice coil is inserted into the second magnetic gap, and the other end of the second voice coil is connected with the second vibrating diaphragm.
Further, the second magnetic circuit system comprises a second main magnet, a second auxiliary magnet, a second main pole core and a second auxiliary pole core, the second main magnet and the second auxiliary magnet are both fixedly arranged on the third surface, the second auxiliary magnet is arranged around the periphery of the second main magnet, and a second magnetic gap is formed between the second auxiliary magnet and the second main magnet; the second main pole core is arranged on one side of the second vibrating diaphragm, which faces the second main magnet, and the second auxiliary pole core is arranged on one side of the second vibrating diaphragm, which faces the second auxiliary magnet.
Further, second sound production subassembly still includes the second basin frame, the second basin frame including the second basin frame body that has second cavity hole and certainly second basin frame body is close to a plurality of second support column that the horizontal plate body of second extends, it is adjacent the interval sets up between the second support column, keeping away from of second support column the end connection of second basin frame body the third surface, the edge of second vibrating diaphragm set firmly in keeping away from of second basin frame body the tip of second support column.
Further, the housing further includes an annular support platform extending from the second end panel and protruding into the accommodating space, the second transverse plate and the annular support platform are arranged at an interval, the second magnetic circuit system and the second vibration system are arranged between the annular support platform and the second transverse plate, and the second diaphragm, the annular support platform and the second end panel enclose to form a first front acoustic cavity; the annular support platform is provided with an opening for communicating the first front sound cavity with the second sound outlet.
Furthermore, a space is formed between the outer side of the annular support platform and the inner side of the enclosing plate, the shell is further provided with a sound guide channel which extends from the part, provided with the opening, of the annular support platform to the part, provided with the second sound outlet, of the enclosing plate, and the sound guide channel is provided with a communication hole which is communicated with the opening and the second sound outlet in a penetrating mode.
Furthermore, the annular support platform comprises an annular support part protruding on the second end panel and a limiting part extending from the annular support part to the second transverse panel, the annular support part comprises a first inner side surface facing the first front sound cavity, a first outer side surface opposite to the first inner side surface and a support end surface facing the second transverse panel, the limiting part comprises a second inner side surface facing the first front sound cavity and a second outer side surface opposite to the second inner side surface, the first outer side surface and the second outer side surface are aligned, the distance between the first inner 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 support end surface and the second inner side surface enclose to form a clamping groove, and the opening extends from the first inner side surface to the first outer side surface, one end, far away from the second transverse plate body, of the second basin frame is inserted into the clamping groove, and the edge of the second vibrating diaphragm is clamped between the second basin frame and the supporting end face.
The utility model discloses a second purpose provides a mobile terminal, including equipment body and foretell speaker box, the speaker box install in this is internal for the equipment, the equipment body is including the first sound emitting panel who is equipped with first sound emitting hole, first sound emitting hole with first sound emitting hole intercommunication.
Further, the mobile terminal further comprises an annular sealing member, and the annular sealing member is arranged between the first end panel and the first sound emitting panel and surrounds the periphery of the first sound emitting hole.
The beneficial effects of the utility model reside in that: (1) the utility model provides a speaker box and mobile terminal, be equipped with two play sound holes in the different sides of speaker box, be equipped with two sound production subassemblies in the speaker box, first sound production subassembly is towards the first sound production that goes out of sound hole, second sound production subassembly is towards the second sound production that goes out of sound hole, one of them sound production subassembly is used for mobile terminal's the sound of putting outward in order to realize the function of raising one's voice, another sound production subassembly is used for mobile terminal's the sound of putting outward in order to realize the earphone function, realized that a speaker box both can put the sound outward, can just can convey the function of sound again without putting the sound outward. (2) Through setting up the magnetism bowl including first horizontal plate body, the horizontal plate body of vertical plate body and second, the horizontal plate body of first horizontal plate body and second is followed the reverse extension in both ends of vertical plate body respectively, first horizontal plate body and vertical plate body enclose to close and form first accepting groove, the horizontal plate body of second and vertical plate body enclose to close and form the second accepting groove, first accepting groove and second accepting groove set up side by side, first sound production subassembly holding is in first accepting groove, second sound production subassembly holding is in the second accepting groove, effectively utilize the accommodation space, be favorable to the thinization development of speaker box.
[ description of the drawings ]
Fig. 1 is an assembly view of a speaker box and a first sound emitting panel according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
fig. 3 is an assembly view of a speaker box and a ring seal according to an embodiment of the present invention;
fig. 4 is an exploded view of a speaker box according to an embodiment of the present invention;
fig. 5 is an exploded view of a sounding unit provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a magnetic bowl according to an embodiment of the present invention;
fig. 7 is an assembly view of the first frame and the first auxiliary pole piece according to the embodiment of the present invention;
fig. 8 is an assembly view of a second frame and a second auxiliary pole core according to an embodiment of the present invention;
FIG. 9 is an assembly view of the connecting member and the first and second racks according to the embodiment of the present invention;
fig. 10 is a schematic view of an angle of the lower case according to the embodiment of the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10 at B;
fig. 12 is a schematic structural view of another angle of the lower case according to the embodiment of the present invention.
In the figure: 100. a speaker box; 1. a housing; 101. an upper cover; 102. a lower case; 11. an accommodating space; 111. a first front acoustic chamber; 12. a first end panel; 121. a first sound outlet; 13. a second end panel; 14. enclosing plates; 141. a second sound outlet; 15. an annular support table; 151. an annular support portion; 1511. an opening; 1512. a first inner side; 1513. a first outer side; 1514. a support end face; 152. a limiting part; 1521. a second inner side; 1522. a second outer side; 153. a card slot; 16. a sound guide channel; 161. a communicating hole; 2. a sounding monomer; 3. a first sound emitting assembly; 31. a first vibration system; 311. a first diaphragm; 3111. a first diaphragm body; 3112. a first dome; 312. a first voice coil; 32. a first magnetic circuit system; 321. a first magnetic gap; 322. a first main magnet; 323. a first sub-magnet; 324. a first main pole core; 325. a first auxiliary pole core; 33. a first frame; 331. a first frame body; 3311. a first hollow inner bore; 332. a first support column; 4. a second sound emitting assembly; 41. a second vibration system; 411. a second diaphragm; 4111. a second diaphragm body; 4112. a second dome; 412. a second voice coil; 42. a second magnetic circuit system; 421. a second magnetic gap; 422. a second main magnet; 423. a second secondary magnet; 424. a second main pole core; 425. a second auxiliary pole core; 43. a second frame; 431. a second frame body; 4311. a second hollow inner bore; 432. a second support column; 5. a magnetic bowl; 51. a first transverse plate body; 511. a first surface; 52. a vertical plate body; 53. a second transverse plate body; 531. a second surface; 532. a third surface; 54. a first receiving groove; 55. a second receiving groove; 200. a first sound emitting panel; 210. a first sound outlet; 300. an annular seal.
[ detailed description ] embodiments
The present invention will be described in detail with reference to fig. 1 to 12.
Referring to fig. 1 to 6, an embodiment of the present invention provides a speaker box 100, including a housing 1 having an accommodating space 11 and a sound generating unit 2 accommodated in the accommodating space 11, wherein the housing 1 has a first sound outlet 121 and a second sound outlet 141, and the first sound outlet 121 and the second sound outlet 141 are located at different sides of the speaker box 100; the sound generating unit 2 comprises a magnetic bowl 5, a first sound generating assembly 3 for generating sound towards the first sound outlet 121 and a second sound generating assembly 4 for generating sound towards the second sound outlet 141, the magnetic bowl 5 comprises a first transverse plate 51, a vertical plate 52 and a second transverse plate 53, the first transverse plate 51 and the second transverse plate 53 respectively extend reversely from two ends of the vertical plate 52, and the first transverse plate 51 and the first sound outlet 121 are arranged oppositely at intervals; the first horizontal plate 51 and the vertical plate 52 enclose to form a first accommodating slot 54, the first sounding component 3 is accommodated in the first accommodating slot 54, the second horizontal plate 53 and the vertical plate 52 enclose to form a second accommodating slot 55, and the second sounding component 4 is accommodated in the second accommodating slot 55.
Through setting up first sound hole 121 and second sound hole 141 in the different sides of speaker box 100, set up in speaker box 100 towards the first sound subassembly 3 of first sound hole 121 sound production and towards the second sound subassembly 4 of second sound hole 141 sound production, a sound subassembly is used for mobile terminal's the sound of playing outward in order to realize the speaker function, another sound subassembly is used for mobile terminal's the sound of not playing outward in order to realize the earphone function, realized that a speaker box possesses the function of sound of playing outward and sound transmission sound outside not simultaneously. In addition, by providing the magnetic bowl 5 including the first transverse plate 51, the second transverse plate 53 and the vertical plate 52, the first transverse plate 51 and the second transverse plate 53 respectively extend reversely from two ends of the vertical plate 52, wherein the first transverse plate 51 and the vertical plate 52 enclose to form the first accommodating groove 54, the second transverse plate 53 and the vertical plate 52 enclose to form the second accommodating groove 55, the first accommodating groove 54 and the second accommodating groove 55 are arranged side by side, the first sounding component 3 and the second sounding component 4 are respectively accommodated in the first accommodating groove 54 and the second accommodating groove 55, the accommodating space 11 is effectively utilized, and thinning development of the speaker box 100 is facilitated.
Referring to fig. 3-4 again, the housing 1 includes an upper cover 101 and a lower housing 102, wherein the upper cover 101 covers the lower housing 102. The upper cover 101 includes a first end panel 12, and the lower cover 102 includes a second end panel 13 disposed opposite to the first end panel 12 at a distance, and a surrounding plate 14 connected between an edge of the first end panel 12 and an edge of the second end panel 13, wherein one of the first sound outlet and the second sound outlet is disposed through the first end panel 12 or the second end panel 13, and the other one is disposed through the surrounding plate 14. In the present embodiment, the first sound outlet hole 121 is formed through the first end panel 12, and the second sound outlet hole 141 is formed through the shroud 14. It is understood that the first sound outlet hole is formed through the second end panel 13 and the second sound outlet hole is formed through the enclosing plate 14, or the first sound outlet hole is formed through the enclosing plate 14 and the second sound outlet hole is formed through the first end panel 12 or the second end panel 13. The first sound emitting hole 121 is formed through the first end panel 12, and the first sound emitting element 3 emits sound toward the first sound emitting hole 121 to transmit non-externally-emitted sound; the second sound emitting hole 141 is provided through the enclosure 14, and the second sound emitting element 4 emits sound toward the second sound emitting hole 141 to transmit sound emitted from the outside. The second end panel 13 and the enclosure 14 are integrally formed, so that the stability of the speaker box 100 is improved and the number of assembling processes is reduced. Of course, the second end panel 13 and the shroud 14 may also be manufactured separately and then assembled together.
Referring to fig. 2 and fig. 5 to 6, the first sound-emitting assembly 3 includes a first vibration system 31 and a first magnetic circuit system 32 for driving the first vibration system 31 to vibrate and emit sound, the first magnetic circuit system 32 has a first magnetic gap 321, the first transverse plate 51 has a first surface 511 facing the first end panel 12, the first magnetic circuit system 32 is mounted on the first surface 511, the first vibration system 31 includes a first diaphragm 311 disposed between the first magnetic circuit system 32 and the first sound outlet port 121 and a first voice coil 312 for driving the first diaphragm 311 to vibrate and emit sound, one end of the first voice coil 312 is inserted into the first magnetic gap 321, and the other end is connected to the first diaphragm 311. In this embodiment, the first diaphragm 311 covers the first sound outlet hole 121.
Preferably, the first diaphragm 311 includes a first diaphragm body 3111 and a first dome 3112, the first voice coil 312 is fixedly disposed on the first dome 3112, and the first diaphragm body 3111 is connected to a side of the first dome 3112 away from the first voice coil 312.
Preferably, the first magnetic circuit system 32 includes a first main magnet 322, a first sub-magnet 323, a first main pole core 324, and a first sub-pole core 325, the first main magnet 322 and the first sub-magnet 323 are both fixed on the first surface 511, the first sub-magnet 323 is disposed around the periphery of the first main magnet 322, and a first magnetic gap 321 is formed between the first sub-magnet 323 and the first main magnet 322; the first main pole piece 324 is disposed on a side of the first main magnet 322 facing the first diaphragm 311, and the first auxiliary pole piece 325 is disposed on a side of the first auxiliary magnet 323 facing the first diaphragm 311. In this embodiment, the magnetic conduction effect of the first main pole piece 324 and the first auxiliary pole piece 325 can effectively increase the magnetic flux of the first magnetic gap 321, thereby improving the acoustic performance of the sound generating unit 2.
Referring to fig. 5, 7 and 9, the first sound-generating assembly 3 further includes a first frame 33, the first frame 33 includes a first frame body 331 having a first hollow inner hole 3311 and a plurality of first supporting columns 332 extending from the first frame body 331 toward the first transverse plate 51, the adjacent first supporting columns 332 are spaced apart from each other, an end of the first supporting column 332 far from the first frame body 331 is connected to the first surface 511, an edge of the first diaphragm 311 is fixed to an end of the first frame body 331 far from the first supporting column 332, and an end of the first frame body 331 far from the first diaphragm 311 is connected to the first auxiliary magnet 323. In the present embodiment, a side of the first secondary pole piece 325 away from the first magnetic gap 321 is connected to an inner wall of the first hollow inner hole 3311 and is integrally formed with the first frame 33. By integrally molding the first auxiliary pole piece 325 and the first frame 33, the stability of the first auxiliary pole piece 325 is improved. It is understood that the first auxiliary pole piece 325 and the first frame 33 may be separately formed.
Referring to fig. 2 and fig. 5-6 again, the second sound-generating assembly 4 includes a second vibration system 41 and a second magnetic circuit system 42 for driving the second vibration system 41 to generate sound by vibration, the second magnetic circuit system 42 has a second magnetic gap 421, the second transverse plate 53 has a second surface 531 facing the first end panel 12 and attached to the first end panel 12 and a third surface 532 facing the second end panel 13, the second magnetic circuit system 42 is mounted on the third surface 532, the second vibration system 41 includes a second diaphragm 411 disposed between the second magnetic circuit system 42 and the second end panel 13 and a second voice coil 412 for driving the second diaphragm 411 to generate sound by vibration, one end of the second voice coil 412 is inserted in the second magnetic gap 421, and the other end is connected to the second diaphragm 411. By attaching the second surface 531 to the first end panel 12, the stability of the magnetic bowl 5 in the speaker box 100 is improved, and the bearing capacity of the first transverse plate 51 for bearing the first acoustic assembly 3 is further increased, so that the stability of the first acoustic assembly 3 in the first transverse plate 51 is improved.
Preferably, the second diaphragm 411 includes a second diaphragm body 4111 and a second dome 4112, the second voice coil 412 is fixedly disposed on the second dome 4112, and the second diaphragm body 4111 is connected to a side of the second dome 4112 away from the second voice coil 412.
In this embodiment, the first diaphragm 311 and the second diaphragm 411 have the same vibration direction, which is beneficial to increase the vibration amount of air and improve the performance of the speaker box 100.
Preferably, the second magnetic circuit system 42 includes a second main magnet 422, a second auxiliary magnet 423, a second main pole core 424, and a second auxiliary pole core 425, the second main magnet 422 and the second auxiliary magnet 423 are fixed on the third surface 532, and the second auxiliary magnet 423 is disposed around the periphery of the second main magnet 422, and a second magnetic gap 421 is formed between the second auxiliary magnet 423 and the second main magnet 422; the second main pole core 424 is disposed on a side of the second main magnet 422 facing the second diaphragm 411, and the second auxiliary pole core 425 is disposed on a side of the second auxiliary magnet 423 facing the second diaphragm 411. In this embodiment, the magnetic flux of the second magnetic gap 421 can be effectively increased by the magnetic conduction action of the second main pole core 424 and the second auxiliary pole core 425, so as to improve the acoustic performance of the sound generating unit 2.
Preferably, magnetic steel is adopted for the first main magnet 322, the first sub-magnet 323, the second main magnet 422 and the second sub-magnet 423. It is understood that the first main magnet 322, the first sub-magnet 323, the second main magnet 422 and the second sub-magnet 423 may be natural magnets.
In this embodiment, the first main magnet 322 and the second main magnet 422 are both rectangular with rounded corners, each side of the first main magnet 322 is correspondingly provided with a first sub-magnet 323, and each side of the second main magnet 422 is correspondingly provided with a second sub-magnet 423. Accordingly, four first sub-pole cores 325 and four second sub-pole cores 425 are provided, the first sub-pole cores 325 are provided in one-to-one correspondence with the first sub-magnets 323, and the second sub-pole cores 425 are provided in one-to-one correspondence with the second sub-magnets 423.
Referring to fig. 5 and 8-9, the second sounding component 4 further includes a second frame 43, the second frame 43 includes a second frame body 431 having a second hollow inner hole 4311 and a plurality of second supporting columns 432 extending from the second frame body 431 toward the second transverse plate 53, the adjacent second supporting columns 432 are spaced apart from each other, an end portion of the second supporting column 432 far away from the second frame body 431 is connected to a third surface 532, an edge of the second diaphragm 411 is fixedly disposed at an end portion of the second frame body 431 far away from the second supporting column 432, and an end portion of the second frame body 431 far away from the second diaphragm 411 is connected to the second auxiliary magnet 423. In this embodiment, a side of the second secondary pole core 425 away from the second magnetic gap 421 is connected to an inner wall of the second hollow inner hole 4311 and is integrally formed with the second frame 43. By integrally molding the second subsidiary pole piece 425 and the second frame 43, the mounting stability of the second subsidiary pole piece 425 is improved. It will be appreciated that it is also possible to make the second secondary pole piece 425 and the second frame 43 separately.
Referring to fig. 2-3, fig. 5 and fig. 10-12, the housing 1 further includes an annular support platform 15 extending from the second end panel 13 and protruding into the accommodating space 11, the second transverse plate 53 is disposed opposite to the annular support platform 15 at an interval, the second magnetic circuit system 42 and the second vibration system 41 are disposed between the annular support platform 15 and the second transverse plate 53, and the second diaphragm 411, the annular support platform 15 and the second end panel 13 enclose to form a first front acoustic cavity 111; the ring support 15 is provided with an opening 1511 for communicating the first front sound chamber 111 and the second sound outlet port 141.
Preferably, the annular support platform 15 includes an annular support portion 151 protruding from the second end panel 13 and a limit portion 152 extending from the annular support portion 151 toward the second transverse panel 53, the annular support portion 151 includes a first inner side surface 1512 facing the first front acoustic cavity 111 and a first outer side surface 1513 disposed opposite to the first inner side surface 1512, the limit portion 152 includes a second inner side surface 1521 facing the first front acoustic cavity 111, a second outer side surface 1522 disposed opposite to the second inner side surface 1521 and a support end surface 1514 disposed toward the second transverse panel 53, the first outer side surface 1513 is aligned with the second outer side surface 1522, and a distance L between the first inner side surface 1512 and the first outer side surface 1513 is provided1Is greater than the distance L between the second inner side surface 1521 and the second outer side surface 15222The supporting end surface 1514 and the second inner side surface 1521 enclose to form the clamping groove 153, the opening 1511 extends from the first inner side surface 1512 to the first outer side surface 1513, one end of the second frame 43, which is far away from the second transverse plate 53, is inserted into the clamping groove, and the edge of the second diaphragm 411 is clamped between the second frame 43 and the supporting end surface 1514.
Referring to fig. 2-3, fig. 5 and fig. 10-12 again, there is a gap between the outer side of the ring support 15 and the inner side of the enclosure 14, the casing 1 further has a sound guide channel 16 extending from the portion of the ring support 15 where the opening 1511 is provided to the portion of the enclosure 14 where the second sound outlet hole 141 is provided, and the sound guide channel 16 penetrates through the communication hole 161 for communicating the opening 1511 and the second sound outlet hole 141. The sound emitted by the vibration of the second diaphragm 411 is transmitted to the outside of the speaker box 100 through the first front sound chamber 111, the opening 1511, the communication hole 161, and the second sound outlet hole 141 in this order.
The embodiment of the utility model provides a mobile terminal (not shown in the figure) is still provided, including equipment body (not shown in the figure) and foretell speaker box 100, speaker box 100 installs in equipment body, and the equipment body is including the first acoustic panel 200 that is equipped with first phonate hole 210, first phonate hole 210 and first phonate hole 121 intercommunication. Of course, the device body is further provided with a second sound outlet communicated with the second sound outlet 141.
Preferably, the mobile terminal further includes a ring-shaped sealing member 300, and the ring-shaped sealing member 300 is disposed between the first end panel 12 and the first sound emitting panel 200 and surrounds the outer circumference of the first sound emitting hole 121.
Sound that first sound production subassembly 3 vibration was sent passes first sound hole 121, first sound hole 210 in proper order and outwards sends to realize the receiver function (earphone function), sound that second sound production subassembly 4 vibration was sent passes second sound hole 141, second sound hole in proper order and outwards sends, thereby realizes the function of raising one's voice. This embodiment realizes receiving function and speaker function simultaneously through a speaker case, does benefit to mobile terminal's miniaturized design.
The above description is only an embodiment of the present invention, 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 (13)
1. The loudspeaker box is characterized by comprising a shell with an accommodating space and a sounding monomer accommodated in the accommodating space, wherein the shell is provided with a first sound outlet hole and a second sound outlet hole which are positioned on different sides of the loudspeaker box; the sound generating unit comprises a magnetic bowl, a first sound generating assembly and a second sound generating assembly, the first sound generating assembly is used for generating sound towards the first sound outlet, the second sound generating assembly is used for generating sound towards the second sound outlet, the magnetic bowl comprises a first transverse plate body, a vertical plate body and a second transverse plate body, the first transverse plate body and the second transverse plate body respectively extend reversely from two ends of the vertical plate body, and the first transverse plate body and the first sound outlet are arranged oppositely at intervals; the first transverse plate body and the vertical plate body are enclosed to form a first accommodating groove, the first sounding assembly is accommodated in the first accommodating groove, the second transverse plate body and the vertical plate body are enclosed to form a second accommodating groove, and the second sounding assembly is accommodated in the second accommodating groove.
2. The speaker cabinet as claimed in claim 1, wherein the housing includes a first end panel, a second end panel spaced apart from and opposing the first end panel, and a baffle plate connected between an edge of the first end panel and an edge of the second end panel, one of the first sound outlet and the second sound outlet is formed through the first end panel or the second end panel, and the other one of the first sound outlet and the second sound outlet is formed through the baffle plate.
3. The speaker cabinet as claimed in claim 2, wherein the first sound outlet hole is formed through the first end panel, and the second sound outlet hole is formed through the enclosure; the first sound-emitting component comprises a first vibration system and a first magnetic circuit system used for driving the first vibration system to vibrate and emit sound, the first magnetic circuit system is provided with a first magnetic gap, the first transverse plate body is provided with a first surface facing the first end panel, the first magnetic circuit system is installed on the first surface, the first vibration system comprises a first vibrating diaphragm arranged between the first magnetic circuit system and the first sound outlet and a first voice coil used for driving the first vibrating diaphragm to vibrate and emit sound, one end of the first voice coil is inserted into the first magnetic gap, and the other end of the first vibrating diaphragm is connected with the other end of the first vibrating diaphragm.
4. The loudspeaker enclosure of claim 3, wherein the first magnetic circuit system comprises a first main magnet, a first auxiliary magnet, a first main pole core, and a first auxiliary pole core, wherein the first main magnet and the first auxiliary magnet are fixed on the first surface, and the first auxiliary magnet is disposed around the periphery of the first main magnet, and the first auxiliary magnet and the first main magnet form the first magnetic gap therebetween; the first main pole core is arranged on one side, facing the first vibrating diaphragm, of the first main magnet, and the first auxiliary pole core is arranged on one side, facing the first vibrating diaphragm, of the first auxiliary magnet.
5. The loudspeaker box of claim 3, wherein the first sounding component further comprises a first frame, the first frame comprises a first frame body having a first hollow inner hole and a plurality of first support pillars extending from the first frame body toward the first transverse plate, the first support pillars are adjacent to each other and spaced apart from each other, the end of the first support pillar away from the first frame body is connected to the first surface, and the edge of the first diaphragm is fixedly arranged at the end of the first frame body away from the first support pillars.
6. The speaker box according to any one of claims 3 to 5, wherein the second sound-generating assembly includes a second vibration system and a second magnetic circuit system for driving the second vibration system to generate sound by vibration, the second magnetic circuit system has a second magnetic gap, the second transverse plate has a second surface disposed toward and in contact with the first end panel and a third surface disposed toward the second end panel, the second magnetic circuit system is mounted on the third surface, the second vibration system includes a second diaphragm disposed between the second magnetic circuit system and the second end panel and a second voice coil for driving the second diaphragm to generate sound by vibration, one end of the second voice coil is inserted into the second magnetic gap, and the other end of the second voice coil is connected to the second diaphragm.
7. The loudspeaker enclosure of claim 6, wherein the second magnetic circuit system comprises a second main magnet, a second auxiliary magnet, a second main pole core, and a second auxiliary pole core, wherein the second main magnet and the second auxiliary magnet are fixed to the third surface, and the second auxiliary magnet is disposed around a periphery of the second main magnet, and the second auxiliary magnet and the second main magnet form the second magnetic gap therebetween; the second main pole core is arranged on one side of the second vibrating diaphragm, which faces the second main magnet, and the second auxiliary pole core is arranged on one side of the second vibrating diaphragm, which faces the second auxiliary magnet.
8. The loudspeaker box of claim 6, wherein the second sounding assembly further comprises a second frame, the second frame comprises a second frame body having a second hollow inner hole and a plurality of second support pillars extending from the second frame body toward the second transverse plate body, the second support pillars are adjacent to each other and spaced from each other, the end portion of the second support pillar far away from the second frame body is connected to the third surface, and the edge of the second diaphragm is fixedly arranged at the end portion of the second frame body far away from the second support pillars.
9. The speaker cabinet as claimed in claim 8, wherein the housing further includes a ring support extending from the second end panel and protruding from the receiving space, the second transverse plate is disposed opposite to the ring support, the second magnetic circuit system and the second vibration system are disposed between the ring support and the second transverse plate, and the second diaphragm and the ring support and the second end panel enclose a first front acoustic cavity; the annular support platform is provided with an opening for communicating the first front sound cavity with the second sound outlet.
10. A loudspeaker enclosure according to claim 9, wherein the annular support platform is spaced apart from the inner side of the enclosure, and the housing further comprises a sound guide channel extending from the portion of the annular support platform where the opening is provided to the portion of the enclosure where the second sound outlet is provided, the sound guide channel having a communication hole therethrough for communicating the opening with the second sound outlet.
11. The speaker box according to claim 9, wherein the annular support platform includes an annular support portion protruding from the second end panel and a limit portion protruding from the annular support portion toward the second transverse panel, the annular support portion includes a first inner side surface facing the first front acoustic cavity, a first outer side surface opposite to the first inner side surface, and a support end surface facing the second transverse panel, the limit portion includes a second inner side surface facing the first front acoustic cavity and a second outer side surface opposite to the second inner side surface, the first outer side surface and the second outer side surface are aligned, a distance between the first inner side surface and the first outer side surface is greater than a distance between the second inner side surface and the second outer side surface, and the support end surface and the second inner side surface enclose to form a slot, the opening penetrates from the first inner side face and extends to the first outer side face, one end, far away from the second transverse plate, of the second basin frame is inserted into the clamping groove, and the edge of the second vibrating diaphragm is clamped between the second basin frame and the supporting end face.
12. Mobile terminal, characterized in that it comprises a device body and a loudspeaker enclosure according to any of claims 1 to 11, said loudspeaker enclosure being mounted in said device body, said device body comprising a first sound outlet panel provided with a first sound outlet aperture, said first sound outlet aperture being in communication with said first sound outlet aperture.
13. The mobile terminal of claim 12, further comprising a ring seal disposed between the first end panel and the first sound emitting panel and surrounding an outer periphery of the first sound emitting hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151140.2U CN213342571U (en) | 2020-09-25 | 2020-09-25 | Loudspeaker box and mobile terminal |
| PCT/CN2020/120996 WO2022061990A1 (en) | 2020-09-25 | 2020-10-14 | Loudspeaker enclosure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151140.2U CN213342571U (en) | 2020-09-25 | 2020-09-25 | Loudspeaker box and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN213342571U true CN213342571U (en) | 2021-06-01 |
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ID=76067517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022151140.2U Active CN213342571U (en) | 2020-09-25 | 2020-09-25 | Loudspeaker box and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213342571U (en) |
| WO (1) | WO2022061990A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024000691A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker box |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102711011B (en) * | 2012-01-04 | 2014-11-26 | 瑞声声学科技(深圳)有限公司 | Two-circuit electroacoustic conversion device |
| CN103369431B (en) * | 2013-07-18 | 2015-08-12 | 瑞声光电科技(常州)有限公司 | Sonification system |
| CN108430009B (en) * | 2018-02-02 | 2021-02-26 | 瑞声科技(新加坡)有限公司 | Magnetic bowl and sounding device |
| CN210781329U (en) * | 2019-11-12 | 2020-06-16 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111343549B (en) * | 2020-03-05 | 2021-02-19 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111510832A (en) * | 2020-04-20 | 2020-08-07 | 厦门冠音泰科技有限公司 | Double-magnetic drive loudspeaker |
-
2020
- 2020-09-25 CN CN202022151140.2U patent/CN213342571U/en active Active
- 2020-10-14 WO PCT/CN2020/120996 patent/WO2022061990A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024000691A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker box |
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| Publication number | Publication date |
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| WO2022061990A1 (en) | 2022-03-31 |
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