CN214901292U - Loudspeaker module and electronic equipment - Google Patents
Loudspeaker module and electronic equipment Download PDFInfo
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- CN214901292U CN214901292U CN202023169882.4U CN202023169882U CN214901292U CN 214901292 U CN214901292 U CN 214901292U CN 202023169882 U CN202023169882 U CN 202023169882U CN 214901292 U CN214901292 U CN 214901292U
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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
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- 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 discloses a speaker module and electronic equipment, speaker module include module shell, speaker monomer and linear motor module. Be equipped with the installation cavity in the module shell, be equipped with the installing port on the module shell, the speaker monomer is established in the installation cavity and is separated into preceding sound chamber and back sound chamber with the installation cavity, and the speaker monomer includes magnetic circuit, and magnetic circuit is equipped with and just to the mounting groove that sets up with the installing port, and the linear motor module passes through the installing port and inlays to be established in the mounting groove. According to the utility model discloses a speaker module sets up the mounting groove through the magnetic circuit at the speaker monomer, and the linear motor module inlays to be established in the mounting groove, can make the overall structure of speaker module compacter from this to can make the thinness that electronic equipment did. Moreover, the loudspeaker monomer and the linear motor module can be independently controlled respectively, and the using effect of the loudspeaker module is improved.
Description
Technical Field
The utility model belongs to the technical field of the electroacoustic equipment technique and specifically relates to a speaker module and electronic equipment is related to.
Background
With the rapid development of the consumer electronics industry, particularly smart phones, the demand of terminal consumers for the use experience of the devices is higher and higher. Besides vision, the experience requirements of hearing and touch are gradually improved. Against this background, cell phone manufacturers have placed higher performance demands on acoustic device speaker modules and haptic feedback device vibration motors.
In traditional design, the performance improvement of speaker module and motor is generally realized through increasing the product size, but along with electronic equipment inner space is compacter and compacter, and battery, mainboard, camera occupation space are bigger and bigger, and this requires speaker module and vibrating motor size can not increase even still to reduce again, consequently again with the conflict between the demand of performance improvement.
In order to solve the above problems, in the related art, a technical scheme of integrating a speaker module and a vibration motor into a whole is provided, that is, the speaker module and the vibration motor share one driving coil, and a vibrating diaphragm of the speaker module and a vibrator of the vibration motor vibrate in the same direction, which results in that as long as the coil is energized, since the coil and a magnetic circuit are acting force and reacting force each other, the speaker module and the vibration motor can only work simultaneously, and thus diversified application scenarios of the mobile phone cannot be met, for example, the situation that only the bell does not vibrate or only vibrates and does not ring is provided. Although the low-frequency music signal below the resonant frequency of the vibration motor can be filtered by signal filtering, the vibration of the vibration motor cannot be completely eliminated, and the sound quality of the loudspeaker is poor because the music signal has no low-frequency effect basically.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a loudspeaker module, loudspeaker module has compact structure, can reduce occupation space's advantage under the prerequisite that satisfies the performance demand.
The utility model also provides an electronic equipment of having above-mentioned speaker module.
According to the utility model discloses speaker module, include: the module comprises a module shell, wherein an installation cavity is arranged in the module shell, and an installation opening is formed in the module shell; the loudspeaker single body is arranged in the mounting cavity and divides the mounting cavity into a front sound cavity and a rear sound cavity, the loudspeaker single body comprises a magnetic circuit system, and the magnetic circuit system is provided with a mounting groove which is opposite to the mounting opening; the linear motor module is embedded in the mounting groove through the mounting opening.
According to the utility model discloses the speaker module of first aspect embodiment sets up the mounting groove through the magnetic circuit at the speaker monomer, and the linear motor module inlays and establishes in the mounting groove, can make the overall structure of speaker module compacter from this to can make the thinness that electronic equipment did. Moreover, the loudspeaker monomer and the linear motor module can be independently controlled respectively, and the using effect of the loudspeaker module is improved.
According to some embodiments of the invention, the magnetic circuit system comprises: the central magnetic circuit part comprises central magnetic steel and a central magnetic conduction plate which is covered on the central magnetic steel, and the mounting groove is arranged on the central magnetic circuit part; the magnetic circuit comprises a central magnetic circuit part, an edge magnetic circuit part and a magnetic gap limiting part, wherein the edge magnetic circuit part is arranged around the central magnetic circuit part and comprises edge magnetic steel and an edge magnetic conductive plate which is covered on the edge magnetic steel, and the edge magnetic steel and the edge magnetic conductive plate are respectively arranged at intervals with the central magnetic steel and the central magnetic conductive plate so as to limit the magnetic gap.
In some embodiments of the present invention, the speaker unit further includes: the vibration system comprises a vibrating diaphragm and a voice coil, one end of the voice coil is connected with the vibrating diaphragm, and the other end of the voice coil extends into the magnetic gap; the mounting groove penetrates through the central magnetic circuit part, and the distance between the linear motor module and the vibrating diaphragm is not larger than the distance between the central magnetic circuit part and the vibrating diaphragm.
In some embodiments of the present invention, the central magnetic steel is an annular structure, or the central magnetic steel includes four long bar-shaped magnetic steels surrounding the arrangement.
In some embodiments of the present invention, the module housing includes an upper module housing and a lower module housing, the lower module housing includes a bottom wall, an annular side wall connected to the bottom wall, and a partition wall located in a space enclosed by the annular side wall, the partition wall is connected to the bottom wall and the annular side wall, and the partition wall is provided with an air vent; the edge part of the diaphragm comprises an upper surface and a lower surface, the lower surface is connected with the annular side wall and the top surface of the partition wall in a sealing mode, and the upper surface is connected with the module upper shell in a sealing mode; the front sound cavity is formed between the vibrating diaphragm and the module upper shell, the rear sound cavity is formed between the vibrating diaphragm and the module upper shell and between the vibrating diaphragm and the module lower shell, the partition wall divides the rear sound cavity into an assembly cavity close to the vibrating diaphragm and a buffer cavity far away from the vibrating diaphragm, and the magnetic circuit system is arranged in the assembly cavity.
In some embodiments of the present invention, the module upper shell and/or the module lower shell are metal pieces; the module upper shell is provided with a concave part protruding towards the edge part at a position corresponding to the edge part of the diaphragm, and the bottom surface of the concave part is connected with the upper surface of the edge part in a sealing manner.
In some embodiments of the present invention, the buffer cavity is filled with sound-absorbing particles, and the partition wall is provided with an isolation mesh covering the vent hole.
In some embodiments of the present invention, the linear motor module includes a first housing and a second housing cooperating to define an assembly space, the second housing including a stop portion extending outwardly relative to the first housing; and part of the central magnetic steel is leaked from the mounting opening, and the abutting part is connected with the central magnetic steel.
In some embodiments of the present invention, the second housing completely encloses the mounting opening and the bottom wall of the second housing is flush with the peripheral wall of the module housing.
In some embodiments of the present invention, the linear motor module comprises: a coil disposed in the assembly space and fixed to the first case or the second case; the vibrator assembly is arranged in the assembling space and comprises a permanent magnet and a balancing weight, and the vibrator assembly is driven to move along the horizontal direction after the coil is electrified; the elastic sheet assembly suspends the vibrator assembly in the assembly space and has elastic deformation along the horizontal direction.
According to some embodiments of the utility model, be equipped with on the module shell with the venthole of back sound chamber intercommunication, venthole department is equipped with supplementary vibrating diaphragm, the outside of supplementary vibrating diaphragm is equipped with the safety cover.
According to the utility model discloses electronic equipment of second aspect embodiment, include according to the utility model discloses above-mentioned embodiment's speaker module.
According to the utility model discloses electronic equipment, through setting up above-mentioned speaker module, the structure of speaker module is compacter, and the assembly space who occupies is less to can make thinner that electronic equipment did. And speaker monomer and linear motor module among the speaker module can realize independent control respectively to can promote electronic equipment's sound production effect and vibration effect, promote user's use and experience.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an exploded view of a speaker module according to an embodiment of the present invention;
fig. 2 is a vertical cross-sectional view of a speaker module according to an embodiment of the present invention;
fig. 3 is a schematic partial structure diagram of a speaker module according to an embodiment of the present invention;
fig. 4 is an exploded view of a mating structure of a magnetic circuit system and a linear motor module according to an embodiment of the present invention;
fig. 5 is an exploded view of a mating structure of a magnetic circuit system and a linear motor module according to another embodiment of the present invention;
fig. 6 is an exploded view of a linear motor module according to an embodiment of the present invention;
fig. 7 is a schematic view of a state of the auxiliary diaphragm, the protective cover, and the module housing according to an embodiment of the present invention;
fig. 8 is an exploded view of a module housing according to an embodiment of the present invention.
Reference numerals:
the speaker module (100) is provided with a speaker,
a module housing 1, a mounting cavity 1a, a mounting port 1b, a front acoustic cavity 1c, a rear acoustic cavity 1d, an assembly cavity 1e, a buffer cavity 1f, an air outlet hole 1g, a module upper housing 11, a lower concave portion 111, a module lower housing 12, a bottom wall 121, an annular side wall 122, a partition wall 123, an air vent 123a, an isolation mesh 13,
the speaker unit 2 is provided with a speaker,
the linear motor module 3, the first housing 31, the second housing 32, the stopping portion 321, the coil 33, the vibrator component 34, the permanent magnet 341, the weight 342, the assembling groove 342a, and the elastic piece component 35.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A speaker module 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 8, where the speaker module 100 can be used in an electronic device.
As shown in fig. 1-2, a speaker module 100 according to an embodiment of the present invention includes: module shell 1, speaker monomer 2 and linear motor module 3.
Wherein, can be equipped with installation cavity 1a in the module shell 1, be equipped with installing port 1b on the module shell 1, speaker monomer 2 can be established in installation cavity 1a and separate into preceding sound chamber 1c and back sound chamber 1d with installation cavity 1a, speaker monomer 2 includes magnetic circuit 21, magnetic circuit 21 can be equipped with installing port 1b just to the mounting groove 21a who sets up, linear motor module 3 can inlay through installing port 1b and establish in mounting groove 21 a.
Particularly, the mounting opening 1b is linked together with the mounting groove 21a that sets up in the magnetic circuit 21, and when speaker module 100 was assembled, linear motor module 3 can inlay through mounting opening 1b and establish in mounting groove 21a, can make speaker module 100's overall structure compacter from this, and the installation volume that occupies is littleer, can reduce the installation space that electronic equipment reserved for speaker module 100, can make thinner that electronic equipment did. When speaker module 100 during operation, can realize the independent control to speaker monomer 2 and linear motor module 3, can realize respectively work or synchronous work and do not influence each other to the different signals of telecommunication of speaker monomer 2 and linear motor module 3 input, promote speaker module 100's result of use.
According to the utility model discloses speaker module 100 sets up mounting groove 21a through magnetic circuit 21 at speaker monomer 2, and linear motor module 3 inlays and establishes in mounting groove 21a, can make speaker module 100's overall structure compacter from this to can make the thinness that electronic equipment did. Moreover, the speaker unit 2 and the linear motor module 3 can be independently controlled, so that the use effect of the speaker module 100 is improved.
As shown in fig. 3, according to some embodiments of the present invention, the magnetic circuit system 21 may include a central magnetic circuit portion 211 and an edge magnetic circuit portion 212, wherein the central magnetic circuit portion 211 includes a central magnetic steel 2111 and a central magnetic conductive plate 2112 covering the central magnetic steel 2111, the mounting groove 21a may be disposed on the central magnetic circuit portion 211, the edge magnetic circuit portion 212 is disposed around the central magnetic circuit portion 211, the edge magnetic circuit portion 212 includes an edge magnetic steel 2121 and an edge magnetic conductive plate 2122 covering the edge magnetic steel 2121, and the edge magnetic steel 2121 and the edge magnetic conductive plate 2122 are respectively disposed at intervals with the central magnetic steel 2111 and the central magnetic conductive plate 2112 to define a magnetic gap 21 b. Optionally, the mounting groove 21a may be disposed at a central position of the central magnetic circuit portion 211, so that the matching structure of the speaker unit 2 and the linear motor module 3 may have better symmetry, and the structural stability of the speaker module 100 may be improved.
As shown in fig. 3, in some embodiments of the present invention, the speaker unit 2 further includes a vibration system 22, the vibration system 22 may include a diaphragm 221 and a voice coil 222, one end of the voice coil 222 is connected to the diaphragm 221, the other end of the voice coil 222 extends into the magnetic gap 21b, the mounting groove 21a runs through the central magnetic circuit portion 211, and the distance between the linear motor module 3 and the diaphragm 221 is not greater than the distance between the central magnetic circuit portion 211 and the diaphragm 221.
Specifically, when the speaker unit 2 works, the voice coil 222 is fed with an alternating current, and since one end of the voice coil 222 extends into the magnetic gap 21b, the voice coil 222 drives the diaphragm 221 to vibrate up and down under the action of the magnetic field force, so that the effect of vibrating the diaphragm 221 to sound can be achieved. It can be understood that, since the distance between the linear motor module 3 and the diaphragm 221 is smaller than or equal to the distance between the central magnetic circuit portion 211 and the diaphragm 221, the diaphragm 221 can be prevented from colliding with the linear motor module 3 during vibration, and thus the diaphragm 221 can be ensured to operate normally.
It should be noted that the mounting groove 21a may not penetrate through the central magnetic circuit portion 211, as long as the linear motor module 3 can be embedded in the central magnetic circuit portion 211, and the present invention does not specifically limit the opening manner of the mounting groove 21 a.
In the utility model discloses a specific example, vibration system 22 can also include centering auxiliary structure, and centering auxiliary structure's one end is fixed with speaker monomer 2's basin frame, and centering auxiliary structure's the other end links to each other with at least one in voice coil loudspeaker voice coil 222 or vibrating diaphragm 221 etc. and when vibration system 22 during operation, centering auxiliary structure follows voice coil loudspeaker voice coil 222 and vibrating diaphragm 221 synchronous oscillation, can play and stabilize vibration system 22 and prevent the effect of swaying the vibration to can prevent the phenomenon of polarization.
Optionally, as shown in fig. 4-5, the central magnetic steel 2111 may be an annular structure, or the central magnetic steel 2111 may also include four long strip-shaped magnetic steels 2111a arranged around it.
As shown in fig. 8, in some embodiments of the present invention, the module housing 1 may include a module upper shell 11 and a module lower shell 12, the module lower shell 12 includes a bottom wall 121, an annular side wall 122 connected to the bottom wall 121, and a partition wall 123 located in a space enclosed by the annular side wall 122, the partition wall 123 is connected to the bottom wall 121 and the annular side wall 122, and the partition wall 123 is provided with a vent hole 123 a. The edge portion of the diaphragm 221 may include an upper surface and a lower surface, the lower surface being sealingly coupled to the annular sidewall 122 and the top surface of the partition wall 123, and the upper surface being sealingly coupled to the module upper case 11. A front sound cavity 1c is formed between the diaphragm 221 and the module upper shell 11, a rear sound cavity 1d is formed between the diaphragm 221 and the module upper shell 11, the module lower shell 12, the partition wall 123 divides the rear sound cavity 1d into an assembly cavity 1e close to the diaphragm 221 and a buffer cavity 1f far away from the diaphragm 221, and the magnetic circuit system 21 is arranged in the assembly cavity 1 e.
Specifically, the module lower case 12 includes a bottom wall 121 and an annular side wall 122 connected to the bottom wall 121, the module upper case 11 cooperates with the bottom wall 121 and the annular side wall 122 to define a mounting cavity 1a, and the module lower case 12 further includes a partition wall 123, the partition wall 123 is respectively connected to the bottom wall 121 and the annular side wall 122 and partitions the mounting cavity 1a into an assembly cavity 1e and a buffer cavity 1f, wherein the speaker unit 2 and the linear motor module 3 can be disposed in the mounting cavity 1 a. Since the edge portions of the diaphragm 221 are respectively connected to the top surfaces of the annular sidewall 122 and the partition wall 123, the front acoustic cavity 1c and the rear acoustic cavity 1d can be separated by the diaphragm 221, so as to prevent short circuit of front and rear acoustic waves and improve the sound quality of the speaker module 100. Moreover, the above arrangement can also increase the radiation area of the diaphragm 221, and improve the sound-producing performance of the speaker module 100. In addition, because back sound chamber 1d is sealed, the air current can not get into the inside resonance that triggers the electronic product casing of electronic product to can promote electronic product's use and experience.
Alternatively, as shown in fig. 2, the buffer cavity 1f may be filled with sound-absorbing particles 23, the partition wall 123 may be provided with a spacer mesh 13 covering the vent holes 123a, and the spacer mesh 13 may prevent the sound-absorbing particles 23 from entering the fitting cavity 1e, so as to prevent the sound-absorbing particles 23 from damaging the speaker unit 2. The sound granule 23 of inhaling in the cushion chamber 1f can adsorb the air molecule that enters into in the cushion chamber 1f, plays the effect of virtual increase back sound chamber 1d volume, promotes speaker module 100's low frequency performance.
In some embodiments of the present invention, the module upper shell 11 and/or the module lower shell 12 may be a metal piece, and the position of the module upper shell 11 corresponding to the edge portion of the diaphragm 221 is provided with a concave portion 111 protruding toward the edge portion, and the bottom surface of the concave portion 111 is connected to the upper surface of the edge portion in a sealing manner. Particularly, can set the metalwork to module epitheca 11, also can set module inferior valve 12 to the metalwork, can also set module epitheca 11 and module inferior valve 12 to the metalwork simultaneously, can promote module shell 1's structural strength from this greatly, moreover because metal material's heat conductivility is better, can also promote speaker module 100's radiating effect from this. In addition, because module housing 1 is the metal material piece to can conveniently set up the screw hole on module housing 1, can conveniently assemble between speaker module 100 and the electronic equipment.
As shown in fig. 3, in some embodiments of the present invention, the linear motor module 3 may include a first housing 31 and a second housing 32, the first housing 31 and the second housing 32 cooperate to define an assembly space, the second housing 32 includes a stopping portion 321 extending outward relative to the first housing 31, a portion of the central magnetic steel 2111 leaks from the mounting opening 1b, and the stopping portion 321 is connected to the central magnetic steel 2111, so that the fitting structure between the linear motor module 3 and the central magnetic circuit portion 211 may be simpler. Alternatively, the stopping portion 321 and the central magnetic steel 2111 may be fixed by adhesive.
Alternatively, the second housing 32 may completely close the mounting opening 1b and the bottom wall 121 of the second housing 32 is flush with the outer peripheral wall of the module case 1, whereby, by the above arrangement, not only the sealing effect of the fitting structure between the linear motor module 3 and the speaker unit 2 can be improved, but also the entire structure of the speaker module 100 can be made more compact.
As shown in fig. 6, according to some embodiments of the present invention, the linear motor module 3 includes: coil 33, vibrator subassembly 34 and shell fragment subassembly 35, wherein, coil 33 locates in the assembly space and is fixed in first casing 31 or second casing 32, and vibrator subassembly 34 locates in the assembly space, and vibrator subassembly 34 includes permanent magnet 341 and balancing weight 342, and coil 33 circular telegram back can drive vibrator subassembly 34 to remove along the horizontal direction, and shell fragment subassembly 35 suspends vibrator subassembly 34 in the assembly space, and shell fragment subassembly 35 has along the elastic deformation of horizontal direction.
Specifically, when the linear motor module 3 works, current is introduced into the coil 33, and under the action of a magnetic field force, the vibrator assembly 34 can be driven to move in the horizontal direction, one end of the elastic piece assembly 35 is connected with the first housing 31, the other end of the elastic piece assembly 35 is connected with the vibrator assembly 34, and the vibrator assembly 34 drives the elastic piece assembly 35 to elastically deform in the moving process. Thereby, the vibrator assembly 34 reciprocates by the elastic force and the magnetic force of the elastic sheet assembly 35, and vibration can be generated.
Alternatively, the weight 342 may be a tungsten steel block, so that the vibration of the vibrator assembly 34 can be enhanced well. Alternatively, a fitting groove 342a may be provided on the weight 342, and the permanent magnet 341 may be embedded in the fitting groove 342 a.
In the specific example shown in fig. 3, the first housing 31 of the linear motor module 3 is disposed above the second housing 32, the bottom of the first housing 31 is connected to the second housing 32, two ends of the second housing 32 in the length direction are respectively provided with a stop portion 321 extending outward relative to the first housing 31, and the stop portions 321 extend and bend toward the direction close to the central magnetic steel 2111 and are connected to the central magnetic steel 2111. The coil 33 is fixed on the inner wall of the second housing 32, and the elastic members 35 are respectively disposed on the left and right sidewalls of the first housing 31 and respectively connected to the vibrator member 34. The vibrator assembly 34 includes a permanent magnet 341 and a weight 342, the weight 342 is a tungsten steel block, a mounting groove 342a is provided at the center of the weight 342, and the permanent magnet 341 is embedded in the mounting groove 342 a.
As shown in fig. 7, according to the utility model discloses a some embodiments, can be equipped with the venthole 1g with back sound chamber 1d intercommunication on the module shell 1, venthole 1g department can be equipped with supplementary vibrating diaphragm 24, and the outside of supplementary vibrating diaphragm 24 is equipped with safety cover 25, can form flexible back sound chamber system from this, can increase the volume and the compliance of back sound chamber 1d to can promote speaker module 100's low frequency effect.
According to the utility model discloses electronic equipment, include according to the utility model discloses speaker module 100 of above-mentioned embodiment. Alternatively, the electronic device may be a mobile phone, a Pad, a notebook computer, or the like.
According to the utility model discloses electronic equipment, through setting up above-mentioned speaker module 100, speaker module 100's structure is compacter, and the assembly space who occupies is less to can make thinner that electronic equipment did. Moreover, the speaker unit 2 and the linear motor module 3 in the speaker module 100 can be independently controlled respectively, so that the sound production effect and the vibration effect of the electronic device can be improved, and the use experience of a user is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or component referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. A speaker module, comprising:
the module comprises a module shell, wherein an installation cavity is arranged in the module shell, and an installation opening is formed in the module shell;
the loudspeaker single body is arranged in the mounting cavity and divides the mounting cavity into a front sound cavity and a rear sound cavity, the loudspeaker single body comprises a magnetic circuit system, and the magnetic circuit system is provided with a mounting groove which is opposite to the mounting opening; and
the linear motor module is embedded in the mounting groove through the mounting opening.
2. The speaker module as claimed in claim 1, wherein the magnetic circuit system comprises:
the central magnetic circuit part comprises central magnetic steel and a central magnetic conduction plate which is covered on the central magnetic steel, and the mounting groove is arranged on the central magnetic circuit part;
the magnetic circuit comprises a central magnetic circuit part, an edge magnetic circuit part and a magnetic gap limiting part, wherein the edge magnetic circuit part is arranged around the central magnetic circuit part and comprises edge magnetic steel and an edge magnetic conductive plate which is covered on the edge magnetic steel, and the edge magnetic steel and the edge magnetic conductive plate are respectively arranged at intervals with the central magnetic steel and the central magnetic conductive plate so as to limit the magnetic gap.
3. The speaker module as claimed in claim 2, wherein the speaker unit further comprises: the vibration system comprises a vibrating diaphragm and a voice coil, one end of the voice coil is connected with the vibrating diaphragm, and the other end of the voice coil extends into the magnetic gap;
the mounting groove penetrates through the central magnetic circuit part, and the distance between the linear motor module and the vibrating diaphragm is not larger than the distance between the central magnetic circuit part and the vibrating diaphragm.
4. The speaker module as claimed in claim 3, wherein the central magnetic steel is a ring structure, or the central magnetic steel comprises four long strip-shaped magnetic steels arranged around the central magnetic steel.
5. A speaker module as claimed in claim 3,
the module shell comprises an upper module shell and a lower module shell, the lower module shell comprises a bottom wall, an annular side wall connected with the bottom wall and a partition wall positioned in a space defined by the annular side wall, the partition wall is connected with the bottom wall and the annular side wall, and the partition wall is provided with a vent hole;
the edge part of the diaphragm comprises an upper surface and a lower surface, the lower surface is connected with the annular side wall and the top surface of the partition wall in a sealing mode, and the upper surface is connected with the module upper shell in a sealing mode;
the front sound cavity is formed between the vibrating diaphragm and the module upper shell, the rear sound cavity is formed between the vibrating diaphragm and the module upper shell and between the vibrating diaphragm and the module lower shell, the partition wall divides the rear sound cavity into an assembly cavity close to the vibrating diaphragm and a buffer cavity far away from the vibrating diaphragm, and the magnetic circuit system is arranged in the assembly cavity.
6. The speaker module as recited in claim 5,
the module upper shell and/or the module lower shell are metal pieces;
the module upper shell is provided with a concave part protruding towards the edge part at a position corresponding to the edge part of the diaphragm, and the bottom surface of the concave part is connected with the upper surface of the edge part in a sealing manner.
7. The speaker module as claimed in claim 5, wherein the buffer cavity is filled with sound absorbing particles, and the partition wall is provided with a spacer mesh covering the vent holes.
8. The speaker module as claimed in claim 2, wherein the linear motor module comprises a first housing and a second housing, the first housing and the second housing cooperating to define an assembly space, the second housing comprising an abutment portion extending outwardly relative to the first housing;
and part of the central magnetic steel is leaked from the mounting opening, and the abutting part is connected with the central magnetic steel.
9. The speaker module as recited in claim 8, wherein the second enclosure completely closes the mounting opening and a bottom wall of the second enclosure is flush with a peripheral wall of the module housing.
10. The speaker module as recited in claim 8, wherein the linear motor module comprises:
a coil disposed in the assembly space and fixed to the first case or the second case;
the vibrator assembly is arranged in the assembling space and comprises a permanent magnet and a balancing weight, and the vibrator assembly is driven to move along the horizontal direction after the coil is electrified;
the elastic sheet assembly suspends the vibrator assembly in the assembly space and has elastic deformation along the horizontal direction.
11. The speaker module as claimed in any one of claims 1-10, wherein the module housing has an air outlet communicating with the rear acoustic cavity, an auxiliary diaphragm is disposed at the air outlet, and a protective cover is disposed outside the auxiliary diaphragm.
12. An electronic device, characterized in that it comprises a loudspeaker module according to any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023169882.4U CN214901292U (en) | 2020-12-24 | 2020-12-24 | Loudspeaker module and electronic equipment |
| PCT/CN2021/135756 WO2022135127A1 (en) | 2020-12-24 | 2021-12-06 | Loudspeaker module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023169882.4U CN214901292U (en) | 2020-12-24 | 2020-12-24 | Loudspeaker module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214901292U true CN214901292U (en) | 2021-11-26 |
Family
ID=78925542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023169882.4U Active CN214901292U (en) | 2020-12-24 | 2020-12-24 | Loudspeaker module and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN214901292U (en) |
| WO (1) | WO2022135127A1 (en) |
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| CN114466293A (en) * | 2022-03-23 | 2022-05-10 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114501257A (en) * | 2022-03-23 | 2022-05-13 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114501255A (en) * | 2022-03-23 | 2022-05-13 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114567842A (en) * | 2022-02-28 | 2022-05-31 | 歌尔股份有限公司 | Sound production device and terminal equipment |
| CN114615575A (en) * | 2022-02-28 | 2022-06-10 | 歌尔股份有限公司 | Head-mounted device |
| WO2022135127A1 (en) * | 2020-12-24 | 2022-06-30 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| CN115396794A (en) * | 2022-09-13 | 2022-11-25 | 瑞声科技（南京）有限公司 | Multifunctional sounding device |
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| CN117135540B (en) * | 2023-04-28 | 2024-09-24 | 荣耀终端有限公司 | Electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030048911A1 (en) * | 2001-09-10 | 2003-03-13 | Furst Claus Erdmann | Miniature speaker with integrated signal processing electronics |
| KR100860679B1 (en) * | 2007-06-01 | 2008-09-26 | 삼성전자주식회사 | Speaker module for portable terminal |
| CN204836566U (en) * | 2015-07-20 | 2015-12-02 | 歌尔声学股份有限公司 | Multi -functional speaker module and use its electron terminal equipment |
| CN208609137U (en) * | 2018-08-16 | 2019-03-15 | 歌尔科技有限公司 | Loudspeaker mould group and electronic equipment |
| CN214901292U (en) * | 2020-12-24 | 2021-11-26 | 歌尔股份有限公司 | Loudspeaker module and electronic equipment |
-
2020
- 2020-12-24 CN CN202023169882.4U patent/CN214901292U/en active Active
-
2021
- 2021-12-06 WO PCT/CN2021/135756 patent/WO2022135127A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022135127A1 (en) * | 2020-12-24 | 2022-06-30 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| CN114567842A (en) * | 2022-02-28 | 2022-05-31 | 歌尔股份有限公司 | Sound production device and terminal equipment |
| CN114615575A (en) * | 2022-02-28 | 2022-06-10 | 歌尔股份有限公司 | Head-mounted device |
| CN114567842B (en) * | 2022-02-28 | 2024-07-02 | 歌尔股份有限公司 | Sound production device and terminal equipment |
| CN114466293A (en) * | 2022-03-23 | 2022-05-10 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114501257A (en) * | 2022-03-23 | 2022-05-13 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114501255A (en) * | 2022-03-23 | 2022-05-13 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| WO2023179303A1 (en) * | 2022-03-23 | 2023-09-28 | 歌尔股份有限公司 | Sound production device and electronic apparatus |
| CN114501255B (en) * | 2022-03-23 | 2024-02-09 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
| CN114501257B (en) * | 2022-03-23 | 2024-02-09 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
| CN114466293B (en) * | 2022-03-23 | 2024-03-08 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
| CN115396794A (en) * | 2022-09-13 | 2022-11-25 | 瑞声科技（南京）有限公司 | Multifunctional sounding device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022135127A1 (en) | 2022-06-30 |
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