CN213426389U - Loudspeaker box and mobile terminal - Google Patents
Loudspeaker box and mobile terminal Download PDFInfo
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- CN213426389U CN213426389U CN202022164200.4U CN202022164200U CN213426389U CN 213426389 U CN213426389 U CN 213426389U CN 202022164200 U CN202022164200 U CN 202022164200U CN 213426389 U CN213426389 U CN 213426389U
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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
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a loudspeaker box and a mobile terminal, wherein, the loudspeaker box comprises a shell provided with an inner cavity and a sounding monomer accommodated in the inner cavity, the shell 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 shell; the sound generating unit comprises a first sound generating assembly, a second sound generating assembly and a magnetic bowl, wherein 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 is clamped between the first sound generating assembly and the second sound generating assembly, and the magnetic bowl comprises a first surface and a second surface which are arranged oppositely; first sound production subassembly includes first vibration system and is used for driving the first magnetic circuit of first vibration system vibration sound production, and second sound production subassembly includes second vibration system and is used for driving the second magnetic circuit of second vibration system vibration sound production, and first magnetic circuit installs in the first surface, and second magnetic circuit installs in the second surface. 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 have mobile terminal of this speaker box.
[ background of the invention ]
At present, a speaker box for playing sound is widely applied to an intelligent mobile terminal, and for some mobile terminals (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 loud and non-loud sounds into a single body.
[ 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 playing sound or receiving function's technical problem outward.
The technical scheme that one of the purposes of the utility model provides as follows: a loudspeaker box comprises a shell with an inner cavity and a sounding monomer accommodated in the inner cavity, 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 shell; the sound generating unit comprises a first sound generating assembly, a second sound generating assembly and a magnetic bowl, wherein 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 is clamped between the first sound generating assembly and the second sound generating assembly, and the magnetic bowl comprises a first surface and a second surface which are arranged oppositely; the first sounding subassembly includes first vibration system and is used for driving the first magnetic circuit of first vibration system vibration sound production, the second sounding subassembly includes the second vibration system and is used for driving the second magnetic circuit of second vibration system vibration sound production, first magnetic circuit install in the first surface, the second magnetic circuit install in the second surface.
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, 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 one of the first sound outlet and the second sound outlet is disposed on the surrounding plate in a penetrating manner, the magnetic bowl is disposed between the first end panel and the second end panel, the first surface faces the first end panel, and the second surface faces the second end panel.
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 magnetic circuit system is provided with a first magnetic gap, 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 sound, one end of the first voice coil is connected with the first vibrating diaphragm, and the other end of the first voice coil is inserted into the first magnetic gap; the second magnetic circuit system is provided with a second magnetic gap, the second vibration system comprises a second vibrating diaphragm arranged between the second magnetic circuit system and the second end face plate and a second voice coil used for driving the second vibrating diaphragm to vibrate and sound, one end of the second voice coil is connected with the second vibrating diaphragm, and the other end of the second voice coil is inserted into the second magnetic gap.
Further, the first magnetic circuit system includes a first main magnet, a first auxiliary magnet, a first main pole core, and a first auxiliary pole core, the first main magnet and the first auxiliary magnet are both fixed to the first surface, the first auxiliary magnet is disposed around the periphery of the first main magnet, a first magnetic gap is formed between the first auxiliary magnet and the first main magnet, the first main pole core is disposed on a side of the first main magnet facing the first diaphragm, and the first auxiliary pole core is disposed on a side of the first auxiliary magnet facing the first diaphragm; 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 fixedly arranged on the second 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.
Furthermore, the sounding unit further comprises a first frame and a second frame, the first frame comprises a first frame body with a first hollow inner hole, the first frame body is located between the first end panel and the magnetic bowl, the second frame comprises a second frame body with a second hollow inner hole, and the second frame body is located between the second end panel and the magnetic bowl; the first magnetic circuit system is arranged between the first surface and the first frame body, the second magnetic circuit system is arranged between the second surface and the second frame body, the first vibrating diaphragm is mounted at the end part, close to the first end panel, of the first frame body, the first voice coil penetrates through the first hollow inner hole from the first vibrating diaphragm and extends to be inserted into the first magnetic gap, and the first auxiliary pole core abuts against the end part, close to the magnetic bowl, of the first frame body; the second vibrating diaphragm is installed in the end portion, close to the second end portion panel, of the second basin frame body, the second voice coil penetrates through the second vibrating diaphragm, extends into the second hollow inner hole and is inserted into the second magnetic gap, and the second auxiliary pole core is abutted to the end portion, close to the magnetic bowl, of the second basin frame body.
Furthermore, the first basin frame further comprises at least two first supporting columns extending from the first basin frame body towards the second end panel, the second basin frame comprises at least two second supporting columns extending from the second basin frame body towards the first end panel, the magnetic bowl is provided with at least two first avoidance grooves penetrating from the first surface towards the second surface, at least two second avoidance grooves respectively communicated with the first avoidance grooves penetrate through the first auxiliary magnet, and at least two third avoidance grooves respectively communicated with the second avoidance grooves penetrate through the first auxiliary pole core; run through on the vice magnet of second be equipped with at least two respectively with the first fourth of dodging the groove intercommunication dodges the groove, run through on the vice utmost point core of second be equipped with at least two respectively with the fifth of dodging the groove intercommunication is dodged to the fourth dodges the groove, every first support column passes one respectively the third dodges groove, one the groove extends in one the first groove of dodging, every the second support column passes one respectively the fifth dodges groove, one the fourth dodges the groove and extends in one the first inslot of dodging and butt in one first support column of dodging.
Furthermore, a first air release hole communicated with the first magnetic gap is arranged on the first auxiliary pole core in a penetrating manner; and a second air leakage hole communicated with the second magnetic gap is also arranged on the second auxiliary pole core in a penetrating manner.
Furthermore, the casing still includes and follows second end panel extends protruding locate the annular brace table of intracavity, first sound hole with the annular brace table interval sets up relatively, the sound production monomer is located annular brace table with between the first sound hole, the second vibrating diaphragm, annular brace table and second end panel surround and form first preceding sound chamber, the annular brace table is equipped with the opening that is used for communicateing first preceding sound chamber with the second sound hole.
Furthermore, a distance is arranged between the annular supporting platform and the enclosing plate, the shell further comprises a sound guide channel which extends from the second end panel and is convexly arranged in the inner cavity, the sound guide channel extends from the part of the annular supporting platform, which is provided with the opening, to the part of the enclosing plate, which is provided with the second sound outlet hole, and the sound guide channel is provided with a communication hole for communicating the opening and the second sound outlet hole in a penetrating manner.
Furthermore, the annular support platform comprises an annular support part protruding from the second end panel and a limit part protruding from the annular support part toward the first end 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 first end panel, the limit 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, the second vibrating diaphragm and the second basin stand body are contained in the clamping groove, and the edge of the second vibrating diaphragm is clamped between the supporting end face and the second basin stand body.
A second object of the present invention is to provide a mobile terminal, including an apparatus body, an annular sealing member and a speaker box as described above, wherein the speaker box and the annular sealing member are installed in the apparatus body, the apparatus body includes a first sound emitting panel having a first sound emitting hole and a second sound emitting panel having a second sound emitting hole, the first sound emitting hole is communicated with the first sound emitting hole, and the second sound emitting hole is communicated with the second sound emitting hole; the annular sealing element is arranged between the shell 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 is equipped with two sound outlet 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 outlet hole sound production, second sound production subassembly is towards the second sound outlet hole sound production, wherein the second sound production subassembly is used for mobile terminal's the sound of playing outside in order to realize the function of raising one's voice, first sound production subassembly is used for mobile terminal's the sound of not playing outside in order to realize the receiver (earphone) function, realized that a speaker box not only can play sound outside in order to realize the function of raising one's voice, can be used for the sound of not playing outside in order to realize the receiver function, equivalent to saved the independent setting of receiver, thereby do benefit to mobile terminal's miniaturized design; (2) first sound production subassembly and second sound production subassembly are located the double-phase offside of magnetism bowl respectively, and first sound production subassembly directly goes out the sound production of sound hole in order being used for realizing the telephone receiver function towards first, and second sound production subassembly goes out the sound production of sound hole in order being used for realizing raising one's voice (public address) function through first preceding sound chamber towards the second, like this, both do benefit to the guarantee effect of raising one's voice, do benefit to the compactedness that improves the speaker box again to be favorable to the miniaturized design of speaker box.
[ description of the drawings ]
Fig. 1 is a schematic position diagram of a speaker box, a first sound emitting panel and a second 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 view of a first basin frame provided in an embodiment of the present invention;
fig. 7 is a schematic structural view of a second basin stand according to an embodiment of the present invention;
fig. 8 is a first structural schematic diagram of a lower shell according to an embodiment of the present invention;
fig. 9 is a second schematic structural diagram of the lower shell 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 inner cavity; 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; 312. a first voice coil; 32. a first magnetic circuit system; 320. a first magnetic gap; 321. a first main magnet; 322. a first sub-magnet; 323. a first main pole core; 324. a first auxiliary pole core; 4. a second sound emitting assembly; 41. a second vibration system; 411. a second diaphragm; 412. a second voice coil; 42. a second magnetic circuit system; 420. a second magnetic gap; 421. a second main magnet; 422. a second secondary magnet; 423. a second main pole core; 424. a second auxiliary pole core; 5. a magnetic bowl; 51. a first surface; 52. a second surface; 6. a first frame; 60. a first hollow inner bore; 61. a first frame body; 62. A first support column; 7. a second frame; 70. a second hollow inner bore; 71. a second frame body; 72. a second support column; 81. a first avoidance slot; 82. a second avoidance slot; 83. a third avoidance slot; 84. A fourth avoidance groove; 85. a fifth avoidance slot; 91. a first air escape hole; 92. a second air escape hole; 200. An apparatus body; 210. a first sound emitting panel; 211. a first sound outlet; 220. a second sound emitting panel; 221. a second sound outlet; 300. an annular seal.
[ detailed description ] embodiments
The present invention will be described in detail with reference to fig. 1 to 9.
Referring to fig. 1-5, an embodiment of the present invention provides a speaker box 100, including a housing 1 having an inner cavity 11 and a sound generating unit 2 accommodated in the inner cavity 11, wherein the housing 1 is provided with a first sound emitting hole 121 and a second sound emitting hole 141, and the first sound emitting hole 121 and the second sound emitting hole 141 are located on different sides of the housing 1.
The housing 1 includes an upper cover 101 and a lower housing 102, and the upper cover 101 covers the lower housing 102. The upper cover 101 includes a first end panel 12, 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, a first sound outlet 121 is formed through the first end panel 12, and a second sound outlet 141 is formed through the surrounding plate 14. Wherein the second end panel 13 and the shroud 14 are integrally formed as the lower case 102, improving the stability of the speaker box 100 and reducing the number of assembly processes. Of course, the second end panel 13 and the shroud 14 may also be manufactured separately and then assembled together. Further, as an alternative embodiment, the arrangement positions of the first sound emitting hole 121 and the second sound emitting hole 141 are not limited thereto, for example: the first sound outlet hole can also be arranged on the second end panel 13; alternatively, the first sound outlet is provided in the enclosure 14, and the second sound outlet is provided in the first end panel 12 or the second end panel 13.
The sound generating unit 2 includes a first sound generating assembly 3 for generating sound towards the first sound generating hole 121, a second sound generating assembly 4 for generating sound towards the second sound generating hole 141, and a magnetic bowl 5 clamped between the first sound generating assembly 3 and the second sound generating assembly 4, the magnetic bowl 5 includes a first surface 51 and a second surface 52 which are oppositely arranged, the first surface 51 is just opposite to the first sound generating hole 121, the second surface 52 faces the second end panel 13, the first sound generating assembly 3 is arranged between the first surface 51 and the first sound generating hole 121, the second sound generating assembly 4 is arranged between the second surface 52 and the second end panel 13, and a first front sound cavity 111 communicated with the second sound generating hole 141 is formed between the second sound generating assembly 4 and the second end panel 13.
The embodiment of the utility model provides a speaker box 100, be equipped with two sound holes (first sound hole 121 and second sound hole 141 promptly) through the different sides at casing 1, be equipped with two sound production subassemblies (first sound production subassembly 3 and second sound production subassembly 4 promptly) in speaker box 100, first sound production subassembly 3 is towards first sound hole 121 sound production, second sound production subassembly 4 is towards second sound hole 141 sound production, wherein second sound production subassembly 4 is used for mobile terminal's the outer sound of putting in order to realize the function of raising one's voice, first sound production subassembly 3 is used for mobile terminal's the outer sound of putting out in order to realize receiver (earphone) function, realized that a speaker box both can put out the sound in order to realize the function of raising one's voice, can be used for the outer sound of putting in order to realize the receiver function again, be equivalent to having saved the independent setting of receiver, thereby do benefit to mobile terminal's miniaturized design. In addition, first sound production subassembly 3 and second sound production subassembly 4 locate the double-phase offside of magnetism bowl 5 respectively, and first sound production subassembly 3 directly goes out sound production in order to be used for realizing the telephone receiver function towards first sound hole 121, and second sound production subassembly 4 goes out sound production in order to be used for realizing raising one's voice (public address) function towards second sound hole 141 through first preceding sound chamber 111, like this, both do benefit to the guarantee effect of raising one's voice, do benefit to the compactness that improves speaker box 100 again to be favorable to speaker box 100's miniaturized design.
Referring to fig. 2 and fig. 4-5, the first sound-generating 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 generate sound, the first magnetic circuit system 32 has a first magnetic gap 320, 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 vibrate and generate sound, the second magnetic circuit system 42 has a second magnetic gap 420, the first magnetic circuit system 32 is mounted on the first surface 51, and the second magnetic circuit system 42 is mounted on the second surface 52; the first vibration system 31 includes a first diaphragm 311 disposed between the first magnetic circuit 32 and the first sound outlet 121, and a first voice coil 312 for driving the first diaphragm 311 to vibrate and sound, one end of the first voice coil 312 is connected to the first diaphragm 311, and the other end is inserted into the first magnetic gap 320; 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 vibrate and generate sound, wherein one end of the second voice coil 412 is connected to the second diaphragm 411, and the other end is inserted into the second magnetic gap 420. The first diaphragm 311 and the second diaphragm 411 have the same vibration direction, which is beneficial to increasing the vibration amount of air and improving the performance of the speaker box 100.
Preferably, the first magnetic circuit system 32 includes a first main magnet 321, a first auxiliary magnet 322, a first main pole core 323, and a first auxiliary pole core 324, the first main magnet 321 and the first auxiliary magnet 322 are both fixed on the first surface 51, the first auxiliary magnet 322 is disposed around the periphery of the first main magnet 321, a first magnetic gap 320 is formed between the first auxiliary magnet 322 and the first main magnet 321, the first main pole core 323 is disposed on a side of the first main magnet 321 facing the first diaphragm 311, and the first auxiliary pole core 324 is disposed on a side of the first auxiliary magnet 322 facing the first diaphragm 311; the second magnetic circuit system 42 includes a second main magnet 421, a second auxiliary magnet 422, a second main pole 423, and a second auxiliary pole 424, the second main magnet 421 and the second auxiliary magnet 422 are both fixed on the second surface 52, the second auxiliary magnet 422 is disposed around the periphery of the second main magnet 421, and a second magnetic gap 420 is formed between the second auxiliary magnet 422 and the second main magnet 421; the second main pole piece 423 is disposed on a side of the second main magnet 421 facing the second diaphragm 411, and the second auxiliary pole piece 424 is disposed on a side of the second auxiliary magnet 422 facing the second diaphragm 411. In this embodiment, the magnetic flux of the first magnetic gap 320 can be effectively increased by the magnetic conduction action of the first main pole core 323 and the first auxiliary pole core 324, and the magnetic flux of the second magnetic gap 420 can be effectively increased by the magnetic conduction action of the second main pole core 423 and the second auxiliary pole core 424, so that the acoustic performance of the sound generating unit 2 is improved.
Preferably, the first main magnet 321, the first sub-magnet 322, the second main magnet 421 and the second sub-magnet 422 adopt magnetic steel. It is understood that the first main magnet 321, the first sub-magnet 322, the second main magnet 421 and the second sub-magnet 422 may be natural magnets.
Referring to fig. 2 and fig. 4-7, the sound generating unit 2 further includes a first frame 6 and a second frame 7, the first frame 6 includes a first frame body 61 having a first hollow inner hole 60, the first frame body 61 is located between the first end panel 12 and the magnetic bowl 5, the second frame 7 includes a second frame body 71 having a second hollow inner hole 70, and the second frame body 71 is located between the second end panel 13 and the magnetic bowl 5; the first magnetic circuit system 32 is arranged between the first surface 51 and the first frame body 61, the second magnetic circuit system 42 is arranged between the second surface 52 and the second frame body 71, the first diaphragm 311 is mounted at the end of the first frame body 61 close to the first end panel 12, the first voice coil 312 passes through the first hollow inner hole 60 from the first diaphragm 311 and is extended and inserted into the first magnetic gap 320, and the first auxiliary pole core 324 abuts against the end of the first frame body 61 close to the magnetic bowl 5; the second diaphragm 411 is mounted at an end portion of the second frame body 71 close to the second end panel 13, the second voice coil 412 passes through the second hollow inner hole 70 from the second diaphragm 411 and is extended and inserted into the second magnetic gap 420, and the second auxiliary pole core 424 abuts against an end portion of the second frame body 71 close to the magnetic bowl 5. The first frame 6 further comprises at least two first supporting columns 62 extending from the first frame body 61 towards the second end panel 13, the second frame 7 comprises at least two second supporting columns 72 extending from the second frame body 71 towards the first end panel 12, the magnetic bowl 5 is provided with at least two first avoidance grooves 81 penetrating from the first surface 51 towards the second surface 52, at least two second avoidance grooves 82 respectively communicated with the first avoidance grooves 81 are penetrated and arranged on the first auxiliary magnet 322, and at least two third avoidance grooves 83 respectively communicated with the second avoidance grooves 82 are penetrated and arranged on the first auxiliary pole core 324; at least two fourth avoidance grooves 84 respectively communicated with the first avoidance groove 81 are arranged on the second secondary magnet 422 in a penetrating mode, at least two fifth avoidance grooves 85 respectively communicated with the fourth avoidance grooves 84 are arranged on the second secondary pole core 424 in a penetrating mode, each first supporting column 62 respectively penetrates through one third avoidance groove 83, one second avoidance groove 82 extends into one first avoidance groove 81, each second supporting column 72 respectively penetrates through one fifth avoidance groove 85, and one fourth avoidance groove 84 extends into one first avoidance groove 81 and abuts against one first supporting column 62. Here, by supporting the first supporting column 62 and the second supporting column 72 together, the first frame 6 can be supported and positioned by the second frame 7, so that a structure for supporting and positioning the first frame 6 may not be provided in the housing 1. The first groove 81 of dodging, the second groove 82 of dodging, the third groove 83 of dodging, the fourth groove 84 of dodging and the fifth groove 85 of dodging's setting, on the one hand can realize the connection of first basin frame 6 and second basin frame 7, and on the other hand can carry out the level to magnetism bowl 5, first magnetic circuit 32 and second magnetic circuit 42 spacing to make magnetism bowl 5, first magnetic circuit 32 and second magnetic circuit 42 install firmly between first basin frame body 61 and second basin frame body 71.
Preferably, the first auxiliary pole core 324 is further provided with a first air release hole 91 in a penetrating manner, wherein the first air release hole is communicated with the first magnetic gap 320; the second secondary pole core 424 is further provided with a second air release hole 92 communicating with the second magnetic gap 420. The first air release hole 91 is communicated with the first magnetic gap 320, the first hollow inner hole 60 and the inner cavity 11, so that the air circulation among the first diaphragm 311, the first main pole core 323 and the first auxiliary pole core 324 is enhanced, the air pressure among the first diaphragm 311, the first main pole core 323 and the first auxiliary pole core 324 is reduced, and the heat dissipation speed among the first diaphragm 311, the first main pole core 323 and the first auxiliary pole core 324 is increased; the second air release hole 92 communicates with the second magnetic gap 420, the second hollow inner hole 70 and the inner cavity 11, so that the air circulation between the second diaphragm 411 and the second main pole core 423 and the second auxiliary pole core 424 is enhanced, the air pressure between the second diaphragm 411 and the second main pole core 423 and the second auxiliary pole core 424 is reduced, the heat dissipation speed between the second diaphragm 411 and the second main pole core 423 and the second auxiliary pole core 424 is increased, and therefore, the acoustic performance of the loudspeaker box 100 is improved.
Referring to fig. 2-3 and 8-9, the housing 1 further includes an annular support platform 15 extending from the second end panel 13 and protruding into the inner cavity 11, the first sound emitting hole 121 and the annular support platform 15 are disposed at an interval, the sound generating unit 2 is disposed between the annular support platform 15 and the first sound emitting hole 121, the second diaphragm 411, the annular support platform 15 and the second end panel 13 enclose to form a first front sound cavity 111, and the annular support platform 15 is provided with an opening 1511 for communicating the first front sound cavity 111 and the second sound emitting hole 141. The annular support platform 15 is arranged to support and position the sounding single body 2 and to form the first front sound cavity 111.
Preferably, the annular support platform 15 includes an annular support portion 151 protruding from the second end panel 13 and a limit portion 152 protruding from the annular support portion 151 toward the first end panel 12, the annular support portion 151 includes a first inner side surface 1512 facing the first front acoustic cavity 111, a first outer side surface 1513 disposed opposite to the first inner side surface 1512 and a support end surface 1514 disposed toward the first end panel 12, the limit portion 152 includes a second inner side surface 1521 facing the first front acoustic cavity 111 and a second outer side surface 1522 disposed opposite to the second inner side surface 1521, 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 15131Is 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 a clamping groove 153, the opening 1511 extends from the first inner side surface 1512 to the first outer side surface 1513, the second vibrating diaphragm 411 and the second frame body 71 are accommodated in the clamping groove 153, and the edge of the second vibrating diaphragm 411 is clamped between the supporting end surface 1514 and the second frame body 71. The annular support portion 151 is mainly used for supporting the sound generating unit 2 and enclosing with the second end panel 13 and the second diaphragm 411 to form the first front sound cavity 111. The stopper 152 is mainly used to horizontally limit the sound generating unit 2. The annular support platform 15 is spaced from the shroud 14, and the housing 1 further includes a secondary support platformThe end panel 13 extends to form a sound guide channel 16 protruding from the inner cavity 11, the sound guide channel 16 extends from a portion of the annular support 15 where the opening 1511 is formed to a portion of the enclosure 14 where the second sound output hole 141 is formed, and the sound guide channel 16 penetrates through the communication hole 161 where the opening 1511 and the second sound output hole 141 are communicated. 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 present invention further provides a mobile terminal (not shown in the figure), which includes an apparatus body 200, an annular sealing member 300 and the speaker box 100, wherein the speaker box 100 and the annular sealing member 300 are both installed in the apparatus body 200, the apparatus body 200 includes a first sound emitting panel 210 having a first sound emitting hole 211 and a second sound emitting panel 220 having a second sound emitting hole 221, the first sound emitting hole 211 is communicated with the first sound emitting hole 121, and the second sound emitting hole 221 is communicated with the second sound emitting hole 141; the annular sealing member 300 is disposed between the first end panel 12 and the first sound emitting panel 210 and surrounds the periphery of the first sound emitting hole 121. The sound that first sound generating component 3 vibrates and sends passes first sound outlet hole 121, first sound outlet hole 211 in proper order and outwards sends to realize the receiver function (earphone function), the sound that second sound generating component 4 vibrates and sends passes second sound outlet hole 141, second sound outlet hole 221 in proper order and outwards sends, thereby realizes the function of raising one's voice. In the embodiment, the receiver function and the speaker function are simultaneously realized by one speaker box 100, which is beneficial to the miniaturization design of the mobile terminal.
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 (11)
1. The loudspeaker box is characterized by comprising a shell with an inner cavity and a sounding monomer accommodated in the inner cavity, 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 shell;
the sound generating unit comprises a first sound generating assembly, a second sound generating assembly and a magnetic bowl, wherein 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 is clamped between the first sound generating assembly and the second sound generating assembly, and the magnetic bowl comprises a first surface and a second surface which are arranged oppositely;
the first sounding subassembly includes first vibration system and is used for driving the first magnetic circuit of first vibration system vibration sound production, the second sounding subassembly includes the second vibration system and is used for driving the second magnetic circuit of second vibration system vibration sound production, first magnetic circuit install in the first surface, the second magnetic circuit install in the second surface.
2. The speaker cabinet as claimed in claim 1, wherein the housing includes a first end panel, a second end panel disposed opposite to the first end panel with a gap therebetween, 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 disposed through the first end panel or the second end panel, and the other one is disposed through the baffle plate, the magnetic bowl is disposed between the first end panel and the second end panel, the first surface faces the first end panel, and the second surface faces the second end panel.
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 magnetic circuit system is provided with a first magnetic gap, 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 sound, one end of the first voice coil is connected with the first vibrating diaphragm, and the other end of the first voice coil is inserted into the first magnetic gap;
the second magnetic circuit system is provided with a second magnetic gap, the second vibration system comprises a second vibrating diaphragm arranged between the second magnetic circuit system and the second end face plate and a second voice coil used for driving the second vibrating diaphragm to vibrate and sound, one end of the second voice coil is connected with the second vibrating diaphragm, and the other end of the second voice coil is inserted into the second magnetic gap.
4. The loudspeaker box according to 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, the first main magnet and the first auxiliary magnet are fixed on the first surface, the first auxiliary magnet is arranged around the periphery of the first main magnet, the first auxiliary magnet and the first main magnet form the first magnetic gap therebetween, the first main pole core is arranged on the side of the first main magnet facing the first diaphragm, and the first auxiliary pole core is arranged on the side of the first auxiliary magnet facing the first diaphragm;
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 fixedly arranged on the second 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.
5. The speaker box of claim 4, wherein the sound generating unit further comprises a first frame and a second frame, the first frame comprising a first frame body having a first hollow bore, the first frame body being located between the first end panel and the magnetic bowl, the second frame comprising a second frame body having a second hollow bore, the second frame body being located between the second end panel and the magnetic bowl;
the first magnetic circuit system is arranged between the first surface and the first frame body, the second magnetic circuit system is arranged between the second surface and the second frame body, the first vibrating diaphragm is mounted at the end part, close to the first end panel, of the first frame body, the first voice coil penetrates through the first hollow inner hole from the first vibrating diaphragm and extends to be inserted into the first magnetic gap, and the first auxiliary pole core abuts against the end part, close to the magnetic bowl, of the first frame body; the second vibrating diaphragm is installed in the end portion, close to the second end portion panel, of the second basin frame body, the second voice coil penetrates through the second vibrating diaphragm, extends into the second hollow inner hole and is inserted into the second magnetic gap, and the second auxiliary pole core is abutted to the end portion, close to the magnetic bowl, of the second basin frame body.
6. The loudspeaker box of claim 5, wherein the first frame further comprises at least two first support posts extending from the first frame body toward the second end panel, the second frame comprises at least two second support posts extending from the second frame body toward the first end panel, the magnetic bowl is provided with at least two first avoidance slots penetrating from the first surface toward the second surface, the first secondary magnet is provided with at least two second avoidance slots penetrating through the first secondary magnet and respectively communicating with the first avoidance slots, and the first secondary pole core is provided with at least two third avoidance slots penetrating through the first secondary pole core and respectively communicating with the second avoidance slots;
run through on the vice magnet of second be equipped with at least two respectively with the first fourth of dodging the groove intercommunication dodges the groove, run through on the vice utmost point core of second be equipped with at least two respectively with the fifth of dodging the groove intercommunication is dodged to the fourth dodges the groove, every first support column passes one respectively the third dodges groove, one the groove extends in one the first groove of dodging, every the second support column passes one respectively the fifth dodges groove, one the fourth dodges the groove and extends in one the first inslot of dodging and butt in one first support column of dodging.
7. The loudspeaker box of claim 6, wherein the first secondary pole core further has a first air-bleed hole formed therethrough, the first air-bleed hole communicating with the first magnetic gap; and a second air leakage hole communicated with the second magnetic gap is also arranged on the second auxiliary pole core in a penetrating manner.
8. The speaker box according to any one of claims 5 to 7, wherein the housing further includes a ring support protruding from the second end panel into the inner cavity, the first sound outlet is spaced from the ring support, the sound generating unit is disposed between the ring support and the first sound outlet, the second diaphragm, the ring support and the second end panel surround to form a first front sound cavity, and the ring support is provided with an opening for communicating the first front sound cavity with the second sound outlet.
9. The speaker cabinet as claimed in claim 8, wherein the annular support platform is spaced from the enclosure, the housing further has a sound guiding channel extending from the second end panel and protruding into the inner cavity, the sound guiding channel extends from a portion of the annular support platform where the opening is located to a portion of the enclosure where the second sound outlet is located, and the sound guiding channel has a communication hole through the sound guiding channel for communicating the opening and the second sound outlet.
10. The speaker box according to claim 8, 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 first end 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 first end 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 form a slot, the opening penetrates through the first inner side face and extends to the first outer side face, the second vibrating diaphragm and the second basin frame body are contained in the clamping groove, and the edge of the second vibrating diaphragm is clamped between the supporting end face and the second basin frame body.
11. A mobile terminal characterized by comprising an apparatus body, a ring seal, and the speaker box according to any one of claims 1 to 10, both of which are mounted in the apparatus body, the apparatus body comprising a first sound emitting panel provided with a first sound emitting hole communicating with the first sound emitting hole and a second sound emitting panel provided with a second sound emitting hole communicating with the second sound emitting hole; the annular sealing element is arranged between the shell and the first sound emitting panel and surrounds the periphery of the first sound emitting hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022164200.4U CN213426389U (en) | 2020-09-25 | 2020-09-25 | Loudspeaker box and mobile terminal |
| PCT/CN2020/120992 WO2022061987A1 (en) | 2020-09-25 | 2020-10-14 | Loudspeaker enclosure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022164200.4U CN213426389U (en) | 2020-09-25 | 2020-09-25 | Loudspeaker box and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213426389U true CN213426389U (en) | 2021-06-11 |
Family
ID=76264664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022164200.4U Active CN213426389U (en) | 2020-09-25 | 2020-09-25 | Loudspeaker box and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213426389U (en) |
| WO (1) | WO2022061987A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113852896A (en) * | 2021-09-18 | 2021-12-28 | 东莞华贝电子科技有限公司 | Loudspeaker, manufacturing method thereof and electronic equipment |
| WO2023005759A1 (en) * | 2021-07-30 | 2023-02-02 | 华为技术有限公司 | Loudspeaker and electronic device |
| WO2024000691A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker box |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217741845U (en) * | 2022-04-07 | 2022-11-04 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN116055960B (en) * | 2022-06-27 | 2023-10-27 | 荣耀终端有限公司 | Kernel of speaker module, speaker module and electronic equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862477B (en) * | 2018-12-29 | 2021-05-14 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111698617A (en) * | 2019-03-14 | 2020-09-22 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN210781318U (en) * | 2019-05-21 | 2020-06-16 | 瑞声科技(新加坡)有限公司 | Sound generator |
| WO2020258260A1 (en) * | 2019-06-28 | 2020-12-30 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN210781334U (en) * | 2019-11-25 | 2020-06-16 | 瑞声科技(新加坡)有限公司 | Speaker and audio equipment |
| CN111343549B (en) * | 2020-03-05 | 2021-02-19 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
-
2020
- 2020-09-25 CN CN202022164200.4U patent/CN213426389U/en active Active
- 2020-10-14 WO PCT/CN2020/120992 patent/WO2022061987A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005759A1 (en) * | 2021-07-30 | 2023-02-02 | 华为技术有限公司 | Loudspeaker and electronic device |
| CN113852896A (en) * | 2021-09-18 | 2021-12-28 | 东莞华贝电子科技有限公司 | Loudspeaker, manufacturing method thereof and electronic equipment |
| WO2024000691A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker box |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022061987A1 (en) | 2022-03-31 |
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