CN213938315U - Sound production monomer, speaker module and electronic terminal - Google Patents
Sound production monomer, speaker module and electronic terminal Download PDFInfo
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- CN213938315U CN213938315U CN202022142831.6U CN202022142831U CN213938315U CN 213938315 U CN213938315 U CN 213938315U CN 202022142831 U CN202022142831 U CN 202022142831U CN 213938315 U CN213938315 U CN 213938315U
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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 sounding monomer, a loudspeaker module and an electronic terminal, which comprises a shell with an accommodating space and a sounding monomer which is accommodated and fixed in the shell; the sounding unit comprises a magnet yoke, a first magnetic circuit assembly, a second magnetic circuit assembly, a first vibration system and a second vibration system; the first vibration system comprises a first vibration diaphragm and a first voice coil, the first vibration diaphragm is fixed on the first magnetic circuit component, the second vibration system comprises a second vibration diaphragm and a second voice coil for driving the second vibration diaphragm to vibrate and produce sound, the second vibration diaphragm is fixed on the second magnetic circuit component, and the magnetic yoke is arranged between the first voice coil and the second voice coil; the through-hole has been seted up on the yoke, and first voice coil loudspeaker voice coil includes first ring portion and from the first ring portion first overlap portion of establishing the formation towards the protruding one end of yoke, and the second voice coil loudspeaker voice coil includes second ring portion and from the second ring portion second overlap portion of establishing the formation towards the protruding one end of yoke, and first overlap portion and second overlap portion wear to locate in the through-hole respectively and first overlap portion and second overlap portion set up at the direction interval of perpendicular to through-hole axis.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electroacoustic field especially relates to a sound production monomer, speaker module and electronic terminal.
[ background of the invention ]
Mobile terminals are also increasingly required, and one of them is to have high quality sound quality function.
Speaker module structure among the correlation technique is comparatively complicated, leads to its thickness too big, causes the thickness at terminal too big, can not comply with the more and more thin development trend of thickness at terminal, overlaps to place two small-size speaker modules in the correlation technique, but still makes the space that the speaker module took up too big through the mode that two structure speaker modules overlapped and placed.
Therefore, it is necessary to provide a novel sound generating unit, a speaker module and an electronic terminal to solve the above problems.
[ Utility model ] content
An object of the utility model is to provide a sound production monomer, speaker module and electron terminal, this sound production monomer acoustic performance is better, and the volume is littleer.
In order to solve the technical problem, the technical scheme of the utility model as follows: a sounding monomer comprises a basin frame with a containing space, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are contained and fixed on the basin frame;
the magnetic circuit system comprises a magnetic yoke fixed in the accommodating space, a first magnetic circuit assembly supported and fixed on one side of the magnetic yoke, and a second magnetic circuit assembly supported and fixed on one side of the magnetic yoke, which is far away from the first magnetic circuit assembly, wherein the first magnetic circuit assembly is provided with a first magnetic gap, the second magnetic circuit assembly is provided with a second magnetic gap, and the magnetic yoke is correspondingly provided with a through hole communicated with the first magnetic gap and the second magnetic gap;
the vibration system comprises a first vibration assembly fixed on one side of the basin frame close to the first magnetic circuit assembly, the first vibration assembly comprises a first vibrating diaphragm covered on the basin frame and a first voice coil fixed on one side of the first vibrating diaphragm close to the first magnetic circuit assembly, and the first voice coil is suspended in the first magnetic gap and partially extends to the through hole;
the vibration system also comprises a second vibration assembly fixed on one side of the basin frame close to the second magnetic circuit assembly, the second vibration assembly comprises a second vibrating diaphragm covered on the basin frame and a second voice coil fixed on one side of the second vibrating diaphragm close to the second magnetic circuit assembly, and the second voice coil is suspended in the second magnetic gap and partially extends to the through hole;
the magnetic yoke is fixed between the first vibrating diaphragm and the second vibrating diaphragm at intervals, and orthographic projections of the first voice coil and the second voice coil on the magnetic yoke are not overlapped.
As an embodiment of the present invention, the first voice coil and the second voice coil are at least partially overlapped in a direction perpendicular to the through-hole axis.
As an embodiment of the present invention, the first voice coil is at least partially over the through hole and extends to the inside of the second magnetic gap, and the second voice coil is at least partially over the through hole and extends to the inside of the first magnetic gap.
As an embodiment of the present invention, the first magnetic circuit assembly includes a first main magnetic steel disposed in the center of one side of the magnetic yoke, a first auxiliary magnetic steel disposed on one side of the magnetic yoke and surrounding the first main magnetic steel to form the first magnetic gap, a first main pole core attached above the first main magnetic steel, and a first auxiliary pole core surrounding the first main pole core and attached on the first auxiliary magnetic steel, wherein the first voice coil is suspended in the first magnetic gap;
the second magnetic circuit assembly comprises a second main magnetic steel, a second main magnetic coil and a second main magnetic coil, wherein the second main magnetic steel is arranged at the center of one side of the first magnetic circuit assembly, the second main magnetic steel is arranged at one side of the magnetic yoke and surrounds the one side of the first magnetic circuit assembly, the second main magnetic steel is arranged to form a second auxiliary magnetic steel of the second magnetic gap, the second main magnetic coil is attached to a second main pole core above the second main magnetic steel and surrounds the second main pole core and attached to a second auxiliary pole core on the second auxiliary magnetic steel, and the second voice coil is suspended in the second magnetic gap.
As an embodiment of the present invention, the first auxiliary pole core includes a first pole core portion surrounding the first main pole core and attached to the first auxiliary magnetic steel, a first frame portion extending from an outer peripheral edge of the first pole core portion toward a direction away from the yoke, and a plurality of first support portions extending from an outer peripheral edge of the first pole core portion toward the yoke, and the first vibration assembly is fixed to the first frame portion;
the second vice utmost point core is including encircleing the second main utmost point core and attached second utmost point core portion on the second vice magnet steel, certainly the outer peripheral edges orientation of second utmost point core portion is kept away from the second stake portion that the direction of yoke extended formation and certainly the outer peripheral edges orientation of second utmost point core portion a plurality of second supporting parts that the yoke extended formation, the second vibration subassembly is fixed in on the second stake portion, the second supporting part butt is in on the first supporting part.
As an embodiment of the present invention, the first diaphragm includes a first flange portion, a first fixing portion extending from an outer periphery of the first flange portion, and a first dome portion extending from an inner periphery of the first flange portion, the first fixing portion is fixed to the first bracket portion, and the first dome portion abuts against the first voice coil;
the second diaphragm comprises a second flange part, a second fixing part and a second ball top part, the second fixing part is formed by extending from the outer periphery of the second flange part, the second ball top part is formed by extending from the inner periphery of the second flange part, the second fixing part is fixed on the second support part, and the second ball top part is abutted against the second voice coil;
the first support part is arranged on the second support part and combined to form the basin stand with the containing space.
The technical scheme of the utility model also provides a loudspeaker module, including the casing that has the accommodation space and accommodate and fix in the accommodation space as above in any embodiment the sound production monomer; the casing comprises a top wall and a bottom wall which are opposite and arranged at intervals, and a surrounding wall which surrounds the sounding monomer, wherein the top wall and the bottom wall are respectively connected to two opposite sides of the surrounding wall and form the accommodating space in a surrounding manner with the surrounding wall, a first front sound cavity is formed between the bottom wall and the first vibrating diaphragm at an interval, and a second front sound cavity is formed between the bottom wall and the second vibrating diaphragm at an interval;
the enclosure wall runs through and has been seted up the phonate hole, the phonate hole is including first phonate hole and the second phonate hole that the interval set up, first phonate hole with first preceding vocal chamber intercommunication, the second phonate hole with preceding vocal chamber intercommunication of second, first phonate hole with the second phonate hole is located same one side of sound production monomer.
As an embodiment of the present invention, the wall includes an inner wall surrounding the basin stand, a peripheral wall spaced apart from the inner wall and surrounding the outer periphery of the inner wall, and a connecting arm connected between the inner wall and the peripheral wall; the peripheral wall, the top wall and the bottom wall enclose to form the accommodating space; the inner surrounding wall is connected with the top wall and the bottom wall and divides the accommodating space into an accommodating cavity for accommodating the sounding monomers and an auxiliary sound cavity positioned between the outer surrounding wall and the inner surrounding wall;
the sound hole runs through in proper order the enclosure wall the linking arm reaches the inner wall, the connection has still been seted up to the inner wall hold the chamber with the through-hole in supplementary vocal chamber, the through-hole with the sound hole interval sets up.
As an embodiment of the present invention, the aperture of the first sound hole and/or the aperture of the second sound hole increases toward the direction away from the sound generating unit.
The technical scheme of the utility model an electron terminal is still provided, including terminal body and as above arbitrary embodiment the sound production monomer, the sound production monomer sets up on the terminal body.
The beneficial effects of the utility model reside in that, through fixed first magnetic circuit subassembly and second magnetic circuit subassembly respectively in the both sides of a yoke, the sound production monomer in this embodiment reduces the shared space of a yoke, and then when making the free volume of sound production in this embodiment littleer, acoustic performance is better. Because first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil have respectively that the part wears to locate in the through-hole to make at least first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil wear to locate the part in the through-hole highly need not to calculate on the free whole thickness of sound production, make the thickness of speaker module in this embodiment thinner.
In addition, compared with the mode of superposing two loudspeaker modules in the related art, the loudspeaker module using the sounding single body reduces the thickness of one shell, so that the volume of the loudspeaker module is smaller.
[ description of the drawings ]
Fig. 1 is a schematic view of an overall structure of a speaker module according to an embodiment of the present invention;
FIG. 2 is a schematic view of the entire structure of the sounding unit in FIG. 1;
FIG. 3 is an exploded view of the sound generating unit of FIG. 2;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 5 is a schematic view of a portion of FIG. 2;
FIG. 6 is a schematic diagram of the first and second voice coils of FIG. 2;
FIG. 7 is an exploded view of the housing of FIG. 1;
FIG. 8 is a schematic view of a portion of the structure of FIG. 7;
fig. 9 is a schematic view of an overall structure of an electronic terminal according to an embodiment of the present invention.
[ detailed description ] embodiments
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-8, an embodiment of the present invention provides a speaker module 1, where the speaker module 1 in this embodiment includes a housing 10 having an accommodating space 11 and a sound generating unit 20 accommodated and fixed in the accommodating space 11.
Referring to fig. 3, the sound generating unit 20 in the present embodiment includes a frame having a receiving space, and a vibration system and a magnetic circuit system received and fixed in the frame.
Referring to fig. 3 and 4, the magnetic circuit system includes a magnetic yoke 21 fixed in the accommodating space, a first magnetic circuit assembly 22 supported and fixed on one side of the magnetic yoke 21, and a second magnetic circuit assembly 23 supported and fixed on one side of the magnetic yoke 21 away from the first magnetic circuit assembly 22, the first magnetic circuit assembly 22 has a first magnetic gap 222, the second magnetic circuit assembly 23 has a second magnetic gap 232, and the magnetic yoke 21 is correspondingly provided with a through hole 211 communicating the first magnetic gap 222 with the second magnetic gap 232.
Referring to fig. 3-6, the vibration system includes a first vibration assembly 24 fixed to a side of the frame close to the first magnetic circuit assembly 22, the first vibration assembly 24 includes a first diaphragm 241 covering the frame and a first voice coil 242 fixed to a side of the first diaphragm 241 close to the first magnetic circuit assembly 22, and the first voice coil 242 is suspended in the first magnetic gap 222 and partially extends to the through hole 211.
Referring to fig. 3-6, the vibration system further includes a second vibration assembly 25 fixed to a side of the frame close to the second magnetic circuit assembly 23, the second vibration assembly 25 includes a second diaphragm 251 covering the frame and a second voice coil 252 fixed to a side of the second diaphragm 251 close to the second magnetic circuit assembly 23, and the second voice coil 252 is suspended in the second magnetic gap 232 and partially extends to the through hole 211.
Referring to fig. 4-6, the yoke 21 is fixed between the first diaphragm 241 and the second diaphragm 251 at an interval, and the orthographic projections of the first voice coil 242 and the second voice coil 252 on the yoke 21 do not overlap each other.
In the present embodiment, the first vibrating element 24, the second vibrating element 25, the first magnetic circuit element 22, and the second magnetic circuit element 23 are housed in the housing 10, so that the speaker module 1 in the present embodiment has two vibrating elements, and thus the acoustic performance can be improved.
In addition, compared to the way of placing two speaker modules 1 in a stacked manner in the related art, the speaker module 1 in this embodiment not only reduces the space occupied by one housing 10.
And, through fixing first magnetic circuit component 22 and second magnetic circuit component 23 respectively in the both sides of a yoke 21, the single sound generating body 20 in this embodiment reduces the space that a yoke 21 occupies, and then makes the volume of the single sound generating body 20 in this embodiment smaller, and simultaneously, acoustic performance is better. Moreover, since the first voice coil 242 and the second voice coil 252 respectively have portions penetrating through the through hole 211, the height of the portions of the first voice coil 242 and the second voice coil 252 penetrating through the through hole 211 does not need to be calculated on the whole thickness of the sound generating unit 20, so that the thickness of the speaker module 1 in the embodiment is thinner.
It should be noted that the speaker module 1 in the present embodiment is preferably a small amplitude speaker module 1, so that distortion or reliability failure of the large amplitude speaker module 1 can be avoided.
Referring to fig. 4, preferably, the first magnetic circuit assembly 22 and the second magnetic circuit assembly 23 are symmetrically disposed about the yoke 21, and the first diaphragm 241 and the second diaphragm 251 are symmetrically disposed about the yoke 21.
Referring to fig. 4-6, in an embodiment, the first voice coil 242 and the second voice coil 252 are at least partially overlapped in a direction perpendicular to the axis of the through hole 211. Thereby further reducing the thickness of the sound generating unit 20 in the present embodiment.
Referring to fig. 3 and 4, in an embodiment, the first magnetic circuit assembly 22 includes a first main magnetic steel 221 disposed at a center of one side of the yoke 21, a first sub magnetic steel 223 disposed on one side of the yoke 21 and surrounding the first main magnetic steel 221 to form a first magnetic gap 222, a first main pole core 224 attached above the first main magnetic steel 221, and a first sub pole core 225 surrounding the first main pole core 224 and attached on the first sub magnetic steel 223.
Referring to fig. 3 and 4, in an embodiment, the second magnetic circuit assembly 23 includes a second main magnetic steel 231 disposed at the center of the other side of the yoke 21, a second sub magnetic steel 233 disposed on the other side of the yoke 21 and surrounding the second main magnetic steel 231 to form a second magnetic gap 232, a second main pole core 234 attached above the second main magnetic steel 231, and a second sub pole core 235 surrounding the second main pole core 234 and attached to the second sub magnetic steel 233.
Referring to fig. 3, in an embodiment, the first sub-pole core 225 includes a first pole core part 2251 surrounding the first main pole core 224 and attached to the first sub-magnetic steel 223, a first support part 2252 extending from an outer circumference of the first pole core part 2251 in a direction away from the yoke 21, and a plurality of first support parts 2253 extending from an outer circumference of the first pole core part 2251 toward the yoke 21, and the first vibration assembly 24 is fixed to the first support part 2252, and in particular, the first vibration film 241 is fixed to the first support part 2252. In this embodiment, the first auxiliary pole piece 225 is designed in the above-described structure, the first pole piece 2251 is provided corresponding to the first main pole piece 224, and the first support 2252 supports the first vibration assembly 24, so that the structure of the sound generating unit 20 in this embodiment is simplified.
Preferably, the first bracket part 2252 has a ring shape.
Referring to fig. 3 and 4, specifically, the first diaphragm 241 includes a first ring-folding portion 2411, a first fixing portion 2412 formed by extending from an outer periphery of the first ring-folding portion 2411, and a first dome portion 2413 formed by extending from an inner periphery of the first ring-folding portion 2411, the first fixing portion 2412 is fixed on the first support portion 2252, and the first dome portion 2413 abuts against the first voice coil 242.
Referring to fig. 3 and 4, in an embodiment, the second auxiliary pole core 235 includes a second pole core portion 2351 surrounding the second main pole core 234 and attached to the second auxiliary magnetic steel 233, a second support portion 2352 extending from an outer periphery of the second pole core portion 2351 in a direction away from the magnetic yoke 21, and a plurality of second support portions 2353 extending from an outer periphery of the second pole core portion 2351 in a direction toward the magnetic yoke 21, the second vibration assembly 25 is fixed on the second support portion 2352, specifically, the second vibration film 251 is fixed on the second support portion 2352, and the second support portion 2353 abuts against the first support portion 2253. In this embodiment, the second auxiliary pole core 235 is designed according to the above structure, the second pole core portion 2351 is arranged corresponding to the second main pole core 234, and the second support portion 2352 supports the second vibration component 25, so that the structure of the sounding unit 20 in this embodiment is simpler.
The first support part 2252 is provided on the second support part 2352 to form a tub support having a receiving space.
Referring to fig. 3 and 4, specifically, the second diaphragm 251 includes a second flange portion 2511, a second fixing portion 2512 formed by extending from an outer periphery of the second flange portion 2511, and a second dome portion 2513 formed by extending from an inner periphery of the second flange portion 2511, the second fixing portion 2512 is fixed on the second support portion 2352, and the second dome portion 2513 abuts against the second voice coil 252.
Preferably, the second support portion 2352 is annular.
Specifically, the first sub-pole core 225 and the second sub-pole core 235 are disposed symmetrically with respect to the yoke 21.
Note that, in the above embodiment, one side of the yoke 21 and the other side of the yoke 21 are opposite sides of the yoke 21.
Referring to fig. 7 and 8, the housing 10 includes a top wall 13 and a bottom wall 12 disposed opposite to each other at an interval, and a surrounding wall 14 surrounding the sound generating unit 20, the top wall 13 and the bottom wall 12 are respectively connected to two opposite sides of the surrounding wall 14 and surround the surrounding wall 14 to form an accommodating space 11, a first front sound cavity 131 is formed between the bottom wall 12 and the first diaphragm 241 at an interval, and a second front sound cavity 121 is formed between the bottom wall 12 and the second diaphragm 251 at an interval.
Referring to fig. 7 and 8, the surrounding wall 14 has sound holes formed therethrough, the sound holes include a first sound hole 141 and a second sound hole 142 arranged at an interval, the first sound hole 141 is communicated with the first front sound cavity 131, the second sound hole 142 is communicated with the second front sound cavity 121, and the first sound hole 141 and the second sound hole 142 are located on the same side of the sound generating unit 20.
Referring to fig. 7 and 8, the wall 14 includes an inner wall 143 surrounding the basin stand, a peripheral wall 144 spaced apart from the inner wall 143 and surrounding the outer periphery of the inner wall 143, and a connecting arm 145 connected between the inner wall 143 and the peripheral wall 144; the peripheral wall 144, the top wall 13 and the bottom wall 12 enclose to form an accommodating space 11; the inner wall 143 is connected to the top wall 13 and the bottom wall 12 and divides the receiving space into a receiving cavity 151 for receiving the sound generating unit 20 and an auxiliary sound cavity 152 located between the outer wall 144 and the inner wall 143, the sound outlet sequentially penetrates through the outer wall 144, the connecting arm 145 and the inner wall 143, the inner wall 143 is further provided with a through hole 211 for connecting the receiving cavity 151 and the auxiliary sound cavity 152, and the through hole 211 and the sound outlet are arranged at intervals.
Preferably, the aperture of the first sound outlet hole 141 and/or the aperture of the second sound outlet hole 142 increase toward a direction away from the sound emitting unit 20.
Referring to fig. 9, another embodiment of the present invention provides an electronic terminal, which includes a terminal body 3 and a speaker module 1 as in any of the above embodiments, wherein the speaker module 1 is disposed on the terminal body 3, in the speaker module 1 of the above embodiments, the speaker module 1 has two vibration systems by accommodating a first vibration component 24, a second vibration component 25 and a magnetic circuit system in a housing 10, so as to improve acoustic performance, and in addition, compared with a method of stacking two speaker modules 1 in the related art by fixing a first magnetic circuit component 22 and a second magnetic circuit component 23 on two sides of a yoke 21, the speaker module 1 of the present embodiment not only reduces a space occupied by a housing 10, but also reduces a space occupied by a yoke 21, so that the volume of the speaker module 1 is smaller, the acoustic performance is better, so that the acoustic performance of the electronic terminal in the embodiment is better, and the thickness of the electronic terminal in the embodiment does not need to be set too large.
The above are only embodiments 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 (10)
1. A sounding monomer is characterized in that: comprises a basin frame with a containing space, a vibration system and a magnetic circuit system which are contained and fixed on the basin frame;
the magnetic circuit system comprises a magnetic yoke fixed in the accommodating space, a first magnetic circuit assembly supported and fixed on one side of the magnetic yoke, and a second magnetic circuit assembly supported and fixed on one side of the magnetic yoke, which is far away from the first magnetic circuit assembly, wherein the first magnetic circuit assembly is provided with a first magnetic gap, the second magnetic circuit assembly is provided with a second magnetic gap, and the magnetic yoke is correspondingly provided with a through hole communicated with the first magnetic gap and the second magnetic gap;
the vibration system comprises a first vibration assembly fixed on one side of the basin frame close to the first magnetic circuit assembly, the first vibration assembly comprises a first vibrating diaphragm covered on the basin frame and a first voice coil fixed on one side of the first vibrating diaphragm close to the first magnetic circuit assembly, and the first voice coil is suspended in the first magnetic gap and partially extends to the through hole;
the vibration system also comprises a second vibration assembly fixed on one side of the basin frame close to the second magnetic circuit assembly, the second vibration assembly comprises a second vibrating diaphragm covered on the basin frame and a second voice coil fixed on one side of the second vibrating diaphragm close to the second magnetic circuit assembly, and the second voice coil is suspended in the second magnetic gap and partially extends to the through hole;
the magnetic yoke is fixed between the first vibrating diaphragm and the second vibrating diaphragm at intervals, and orthographic projections of the first voice coil and the second voice coil on the magnetic yoke are not overlapped.
2. The sound generating unit of claim 1, wherein: the first voice coil and the second voice coil at least partially overlap in a direction perpendicular to the axis of the through hole.
3. The sound generating unit of claim 1, wherein: the first voice coil at least partially exceeds the through hole and extends into the second magnetic gap, and the second voice coil at least partially exceeds the through hole and extends into the first magnetic gap.
4. The sound generating unit of claim 1, wherein: the first magnetic circuit component comprises a first main magnetic steel arranged in the center of one side of the magnetic yoke, a first auxiliary magnetic steel arranged on one side of the magnetic yoke and surrounding the first main magnetic steel to form the first magnetic gap, a first main pole core attached above the first main magnetic steel and a first auxiliary pole core surrounding the first main pole core and attached to the first auxiliary magnetic steel;
the second magnetic circuit assembly comprises a second main magnetic steel, a second auxiliary magnetic steel, a second main pole core and a second auxiliary pole core, wherein the second main magnetic steel is arranged at the center of one side of the first magnetic circuit assembly, the yoke deviates from one side of the first magnetic circuit assembly and surrounds the second main magnetic steel to form the second magnetic gap, the second auxiliary magnetic steel is attached to the second main pole core above the second main magnetic steel and surrounds the second main pole core and is attached to the second auxiliary magnetic steel.
5. The sound generating unit of claim 4, wherein: the first auxiliary pole core comprises a first pole core part, a first support part and a plurality of first support parts, the first pole core part surrounds the first main pole core and is attached to the first auxiliary magnetic steel, the first support part is formed by extending from the outer periphery of the first pole core part towards the direction far away from the magnetic yoke, the plurality of first support parts are formed by extending from the outer periphery of the first pole core part towards the magnetic yoke, and the first vibration assembly is fixed on the first support part;
the second vice utmost point core is including encircleing the second main utmost point core and attached second utmost point core portion on the second vice magnet steel, certainly the outer peripheral edges orientation of second utmost point core portion is kept away from the second stake portion that the direction of yoke extended formation and certainly the outer peripheral edges orientation of second utmost point core portion a plurality of second supporting parts that the yoke extended formation, the second vibration subassembly is fixed in on the second stake portion, the second supporting part butt is in on the first supporting part.
6. The sound generating unit of claim 5, wherein: the first diaphragm comprises a first ring folding part, a first fixing part and a first ball top part, the first fixing part is formed by extending from the outer periphery of the first ring folding part, the first ball top part is formed by extending from the inner periphery of the first ring folding part, the first fixing part is fixed on the first support part, and the first ball top part is abutted against the first diaphragm;
the second diaphragm comprises a second flange part, a second fixing part and a second ball top part, the second fixing part is formed by extending from the outer periphery of the second flange part, the second ball top part is formed by extending from the inner periphery of the second flange part, the second fixing part is fixed on the second support part, and the second ball top part is abutted against the second voice coil;
the first support part is arranged on the second support part and combined to form the basin stand with the containing space.
7. A speaker module, comprising a housing having a receiving space and the sound generating unit of any one of claims 1 to 6 received and fixed in the receiving space; the casing comprises a top wall and a bottom wall which are opposite and arranged at intervals, and a surrounding wall which surrounds the sounding monomer, wherein the top wall and the bottom wall are respectively connected to two opposite sides of the surrounding wall and form the accommodating space in a surrounding manner with the surrounding wall, a first front sound cavity is formed between the bottom wall and the first vibrating diaphragm at an interval, and a second front sound cavity is formed between the bottom wall and the second vibrating diaphragm at an interval;
the enclosure wall runs through and has been seted up the phonate hole, the phonate hole is including first phonate hole and the second phonate hole that the interval set up, first phonate hole with first preceding vocal chamber intercommunication, the second phonate hole with preceding vocal chamber intercommunication of second, first phonate hole with the second phonate hole is located same one side of sound production monomer.
8. The speaker module as claimed in claim 7, wherein: the peripheral wall comprises an inner peripheral wall surrounding the basin stand, a peripheral wall arranged at intervals with the inner peripheral wall and surrounding the periphery of the inner peripheral wall, and a connecting arm connected between the inner peripheral wall and the peripheral wall; the peripheral wall, the top wall and the bottom wall enclose to form the accommodating space; the inner surrounding wall is connected with the top wall and the bottom wall and divides the accommodating space into an accommodating cavity for accommodating the sounding monomers and an auxiliary sound cavity positioned between the outer surrounding wall and the inner surrounding wall;
the sound hole runs through in proper order the enclosure wall the linking arm reaches the inner wall, the connection has still been seted up to the inner wall hold the chamber with the through-hole in supplementary vocal chamber, the through-hole with the sound hole interval sets up.
9. The speaker module as recited in claim 8, wherein: the aperture of the first sound outlet hole and/or the aperture of the second sound outlet hole increase towards the direction far away from the sound generating single body.
10. An electronic terminal, characterized by: comprising a terminal body and a loudspeaker module as claimed in any one of the preceding claims 7-9, said loudspeaker module being arranged on said terminal body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142831.6U CN213938315U (en) | 2020-09-25 | 2020-09-25 | Sound production monomer, speaker module and electronic terminal |
| PCT/CN2020/123965 WO2022062039A1 (en) | 2020-09-25 | 2020-10-27 | Sound-producing unit and electronic terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142831.6U CN213938315U (en) | 2020-09-25 | 2020-09-25 | Sound production monomer, speaker module and electronic terminal |
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| CN213938315U true CN213938315U (en) | 2021-08-10 |
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| CN202022142831.6U Active CN213938315U (en) | 2020-09-25 | 2020-09-25 | Sound production monomer, speaker module and electronic terminal |
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| WO (1) | WO2022062039A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024000687A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker |
| WO2024031802A1 (en) * | 2022-08-11 | 2024-02-15 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| WO2024045234A1 (en) * | 2022-08-30 | 2024-03-07 | 瑞声光电科技(常州)有限公司 | Circuit and sound production device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115396787A (en) * | 2022-08-26 | 2022-11-25 | 歌尔股份有限公司 | Equipment terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205213033U (en) * | 2015-11-04 | 2016-05-04 | 瑞声光电科技(常州)有限公司 | Long stroke speaker |
| CN206118013U (en) * | 2016-09-26 | 2017-04-19 | 常州阿木奇声学科技有限公司 | Loudspeaker |
| CN110881160B (en) * | 2019-11-12 | 2021-08-31 | 歌尔股份有限公司 | Sound production device |
| CN211128162U (en) * | 2019-12-24 | 2020-07-28 | 李世煌 | Loudspeaker |
| CN211089956U (en) * | 2019-12-31 | 2020-07-24 | 歌尔科技有限公司 | Sound production device |
-
2020
- 2020-09-25 CN CN202022142831.6U patent/CN213938315U/en active Active
- 2020-10-27 WO PCT/CN2020/123965 patent/WO2022062039A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024000687A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker |
| WO2024031802A1 (en) * | 2022-08-11 | 2024-02-15 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| WO2024045234A1 (en) * | 2022-08-30 | 2024-03-07 | 瑞声光电科技(常州)有限公司 | Circuit and sound production device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022062039A1 (en) | 2022-03-31 |
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