CN214901293U - Loudspeaker module and electronic equipment - Google Patents
Loudspeaker module and electronic equipment Download PDFInfo
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- CN214901293U CN214901293U CN202023171718.7U CN202023171718U CN214901293U CN 214901293 U CN214901293 U CN 214901293U CN 202023171718 U CN202023171718 U CN 202023171718U CN 214901293 U CN214901293 U CN 214901293U
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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)
- Apparatuses For Generation Of Mechanical Vibrations (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, the speaker monomer is established in the installation cavity and is separated into preceding sound chamber and back sound chamber with the installation cavity, the speaker monomer includes magnetic circuit, the linear motor module is established in the installation cavity, the speaker monomer piles up the setting with the linear motor module along the thickness direction of speaker module, the linear motor module includes the casing, the casing links to each other with the diapire of module shell, magnetic circuit links to each other with the top of casing is fixed. According to the utility model discloses a speaker module is through piling up speaker monomer and linear motor module in the module shell, can realize the independent control to speaker monomer and linear motor module, can realize respectively to the different signal of telecommunication of speaker monomer and linear motor module input separately work respectively or synchronous working and each other do not influence, promote the sound production effect and the vibration effect of speaker module.
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 can be respectively independent control speaker monomer and linear motor module, sound production effect and the effectual advantage of vibration.
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; 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, and the loudspeaker single body comprises a magnetic circuit system; the linear motor module is arranged in the installation cavity, the loudspeaker single body and the linear motor module are stacked in the thickness direction of the loudspeaker module, the linear motor module comprises a shell, the shell is connected with the bottom wall of the module shell, and the magnetic circuit system is fixedly connected with the top of the shell.
According to the utility model discloses loudspeaker module through piling up speaker monomer and linear motor module in the module shell, can realize the independent control to speaker monomer and linear motor module, can realize respectively to the different signal of telecommunication of speaker monomer and linear motor module input separately work respectively or synchronous work and each other do not influence, promote loudspeaker module's vocal effect and vibration effect.
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 covered on the central magnetic steel; 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 arranged on the edge magnetic steel in a covering mode, and the edge magnetic steel and the edge magnetic conductive plate are 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 two ends of the side magnetic circuit portion in the length direction are flush with the two ends of the casing in the length direction.
According to some embodiments of the invention, the housing is a piece of magnetically permeable material.
According to some embodiments of the invention, an assembly space is defined in the housing, the linear motor module comprising: the coil is arranged in the assembly space and fixed on the shell or the module shell; 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.
In some embodiments of the present invention, a mounting groove is disposed on the weight block, and the permanent magnet is embedded in the mounting groove.
According to some embodiments of the present invention, the speaker unit further comprises: and 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 a magnetic gap of the magnetic circuit system.
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 diaphragm with form preceding sound chamber between the module epitheca, the diaphragm with form back sound chamber between module epitheca, the module inferior valve, the partition wall will back sound chamber separates for being close to the assembly chamber of diaphragm and keeping away from the cushion chamber of diaphragm, magnetic circuit locates the assembly chamber.
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.
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, include according to the utility model discloses the speaker module of above-mentioned embodiment.
According to the utility model discloses electronic equipment, through setting up above-mentioned speaker module, speaker monomer and linear motor module in 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 linear motor module according to an embodiment of the present invention;
fig. 5 is an exploded view of a module housing according to an embodiment of the present invention;
fig. 6 is a schematic view of a matching state of the auxiliary diaphragm, the protective cover and the 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 front acoustic cavity 1b, a rear acoustic cavity 1c, an assembly cavity 1d, a buffer cavity 1e, an air outlet hole 1f, a module upper shell 11, a lower concave portion 111, a module lower shell 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 comprises a linear motor module 3, a shell 31, an assembling space 31a, a coil 32, a vibrator assembly 33, a permanent magnet 331, a balancing weight 332, a mounting groove 332a, a magnetic conductive magnet 333, a spring assembly 34, an iron core 35 and a magnetic conductive plate 36.
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 6, and the speaker module 100 may be used in an electronic device.
Wherein, can be equipped with installation cavity 1a in the module shell 1, speaker monomer 2 establishes in installation cavity 1a and separates into preceding sound chamber 1b and back sound chamber 1c with installation cavity 1a, and speaker monomer 2 includes magnetic circuit 21. The linear motor module 3 is disposed in the mounting cavity 1a, the speaker unit 2 and the linear motor module 3 may be stacked in a thickness direction (an up-down direction shown in fig. 2 and 3) of the speaker module 100, the linear motor module 3 includes a housing 31, the housing 31 may be connected to the bottom wall 121 of the module housing 1, and the magnetic circuit system 21 may be fixedly connected to a top of the housing 31.
Specifically, the speaker unit 2 and the linear motor module 3 are simultaneously mounted in the mounting cavity 1a, and the speaker unit 2 and the linear motor module 3 are stacked in the up-down direction, wherein the speaker unit 2 may be disposed above the linear motor module 3. From this, through the aforesaid setting, can stack speaker monomer 2 and linear motor module 3 together, when speaker module 100 during operation, can realize the independent control to speaker monomer 2 and linear motor module 3, can realize respectively to speaker monomer 2 and the different signal of telecommunication of linear motor module 3 input work respectively or synchronous work and do not influence each other, promote speaker module 100's sound production effect and vibration effect.
Alternatively, the housing 31 of the linear motor module 3 may be a closed structure or a structure with one end open. As shown in fig. 3, the bottom end of the housing 31 of the linear motor module 3 is open, and the bottom of the housing 31 is connected to the bottom wall 121 of the module case 1 to define a sealed space.
According to the utility model discloses speaker module 100 through piling up speaker monomer 2 and linear motor module 3 in module shell 1, can realize the independent control to speaker monomer 2 and linear motor module 3, can work respectively or synchronous work and do not influence each other to the different signal of telecommunication realization of speaker monomer 2 and linear motor module 3 input respectively, promotes speaker module 100's sound production effect and vibration effect.
As shown in fig. 2-3, 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 may be connected to the top of the housing 31, 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 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 an interval from the central magnetic steel 2111 and the central magnetic conductive plate 2112 to define the magnetic gap 21 a.
Optionally, the central magnetic steel 2111 may be formed in an annular shape, and the central magnetic steel 2111 may also include a plurality of sub-magnetic steels, which are connected end to form an annular shape. Alternatively, the housing 31 may be a magnetic conductive material, so that the housing 31 may serve as a magnetic conductive yoke of the central magnetic circuit portion 211, which can enhance the magnetic conductive effect and increase the magnetic field strength of the magnetic circuit system 21
In a specific example of the present invention, the housing 31 may include a flat plate portion and a support portion, the flat plate portion extends in the horizontal direction, and the magnetic circuit system 21 is provided on the flat plate portion. The support portion extends in the vertical direction, the top end of the support portion is connected with the flat plate portion, and the bottom of the support portion is connected with the bottom wall 121 of the module housing 1. Alternatively, the flat plate portion may be a piece of magnetically permeable material. Of course, the flat plate portion and the support portion may be made of a magnetic conductive material at the same time.
As shown in fig. 2-3, according to some embodiments of the present invention, an assembly space 31a may be defined in the housing 31, the linear motor module 3 may include a coil 32, a vibrator assembly 33 and a spring assembly 34, wherein the coil 32 may be disposed in the assembly space 31a and fixed to the housing 31 or the module housing 1, the vibrator assembly 33 is disposed in the assembly space 31a, the vibrator assembly 33 may include a permanent magnet 331 and a weight block 332, the coil 32 is powered on to drive the vibrator assembly 33 to move in a horizontal direction, the spring assembly 34 may suspend the vibrator assembly 33 in the assembly space 31a, and the spring assembly 34 has an elastic deformation in the horizontal direction.
Specifically, when the linear motor module 3 works, the coil 32 is fed with alternating current, and under the action of a magnetic field force, the vibrator assembly 33 can be driven to move in the horizontal direction, two ends of the elastic sheet assembly 34 are respectively connected with opposite side walls of the housing 31, and the vibrator assembly 33 drives the elastic sheet assembly 34 to elastically deform in the moving process. Accordingly, the vibrator assembly 33 reciprocates under the elastic force and the magnetic field force of the leaf spring assembly 34, thereby generating vibration.
Alternatively, the coil 32 may be fixed to the bottom wall 121 of the module case 1, and the coil 32 may also be fixed to the top wall of the housing 31. Alternatively, the weight 332 may be a tungsten steel block, so that the vibration sense of the vibrator assembly 33 can be improved well. Alternatively, a mounting groove 332a may be provided on the weight block 332, and the permanent magnet 331 may be embedded in the mounting groove 332 a.
In the specific example shown in fig. 3-4, two mounting grooves 332a are provided on the weight 332, and the permanent magnets 331 are embedded in the mounting grooves 332 a. The vibrator assembly 33 further includes a magnetic conductive magnet 333, a magnetizing direction of the magnetic conductive magnet 333 is perpendicular to a magnetizing direction of the permanent magnets 331, and the magnetic conductive magnet 333 is disposed between the two permanent magnets 331 and embedded in the mounting groove 332 a. As shown in fig. 3, the linear motor module 3 further includes an iron core 35 disposed in the center of the coil 32 and a magnetic conductive plate 36 covering the coil 32, so that the BL value of the magnetic field can be increased, and the vibration inductance of the linear motor module 3 can be improved.
As shown in fig. 2-3, in an embodiment of the present invention, both ends of the length direction of the side magnetic circuit portion 212 are flush with both ends of the length direction of the housing 31, so that the size of the linear motor module 3 can be maximized, the vibration intensity of the linear motor module 3 can be increased, and the vibration effect of the speaker module 100 can 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, and the other end of the voice coil 222 extends into the magnetic gap 21 a. 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 21a, 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.
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.
As shown in fig. 3 and 5, 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 surrounded 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 1b is formed between the diaphragm 221 and the module upper shell 11, a rear sound cavity 1c 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 1c into an assembly cavity 1d close to the diaphragm 221 and a buffer cavity 1e far away from the diaphragm 221, and the magnetic circuit system 21 is arranged in the assembly cavity 1 d.
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 divides the mounting cavity 1a into a mounting cavity 1d and a buffer cavity 1e, 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 1b and the rear acoustic cavity 1c 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 1c is sealed, the air current can not get into the inside resonance that arouses in the electronic product casing 31 of electronic product to can promote electronic product's use and experience.
Alternatively, as shown in fig. 2, the buffer cavity 1e 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 assembly cavity 1d, 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 1e can adsorb the air molecule that enters into in the cushion chamber 1e, plays the effect of virtual increase back sound chamber 1c 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. 6, according to the utility model discloses a some embodiments, can be equipped with the venthole 1f with back sound chamber 1c intercommunication on the module shell 1, venthole 1f 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 in back sound chamber 1c 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 monomer 2 and linear motor module 3 among the speaker module 100 can realize independent control respectively to can promote electronic equipment's sound production effect and vibration effect, promote user's use and experience.
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;
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, and the loudspeaker single body comprises a magnetic circuit system; and
the linear motor module is arranged in the installation cavity, the loudspeaker single body and the linear motor module are stacked in the thickness direction of the loudspeaker module, the linear motor module comprises a shell, the shell is connected with the bottom wall of the module shell, and the magnetic circuit system is fixedly connected with the top of the shell.
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 covered on the central magnetic steel;
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 arranged on the edge magnetic steel in a covering mode, and the edge magnetic steel and the edge magnetic conductive plate are 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 both lengthwise ends of the side magnetic path portions are flush with both lengthwise ends of the housing.
4. The speaker module as recited in claim 1, wherein the housing is a piece of magnetically permeable material.
5. The speaker module as claimed in claim 1, wherein a fitting space is defined in the housing, the linear motor module comprising:
the coil is arranged in the assembly space and fixed on the shell or the module shell;
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.
6. The speaker module as claimed in claim 5, wherein the weight member has a mounting groove, and the permanent magnet is embedded in the mounting groove.
7. The speaker module as claimed in claim 1, wherein the speaker unit further comprises: and 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 a magnetic gap of the magnetic circuit system.
8. The speaker module as claimed in claim 7, wherein the module housing comprises an upper module housing and a lower module housing, the lower module housing comprises a bottom wall, an annular side wall connected to the bottom wall, and a partition wall located in a space defined 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 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 diaphragm with form preceding sound chamber between the module epitheca, the diaphragm with form back sound chamber between module epitheca, the module inferior valve, the partition wall will back sound chamber separates for being close to the assembly chamber of diaphragm and keeping away from the cushion chamber of diaphragm, magnetic circuit locates the assembly chamber.
9. The speaker module as recited in claim 8,
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.
10. The speaker module as claimed in claim 8, wherein the buffer cavity is filled with sound absorbing particles, and the partition wall is provided with a spacer mesh covering the vent holes.
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 1-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023171718.7U CN214901293U (en) | 2020-12-24 | 2020-12-24 | Loudspeaker module and electronic equipment |
| PCT/CN2021/135725 WO2022135125A1 (en) | 2020-12-24 | 2021-12-06 | Loudspeaker module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023171718.7U CN214901293U (en) | 2020-12-24 | 2020-12-24 | Loudspeaker module and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN214901293U true CN214901293U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023171718.7U Active CN214901293U (en) | 2020-12-24 | 2020-12-24 | Loudspeaker module and electronic equipment |
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| Country | Link |
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| CN (1) | CN214901293U (en) |
| WO (1) | WO2022135125A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| WO2022135125A1 (en) * | 2020-12-24 | 2022-06-30 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| WO2023193321A1 (en) * | 2022-04-07 | 2023-10-12 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117082417B (en) * | 2023-10-16 | 2024-02-23 | 瑞声光电科技(常州)有限公司 | Multifunctional sounding device |
| CN117118183B (en) * | 2023-10-19 | 2024-03-15 | 瑞声光电科技(常州)有限公司 | Vibration motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100443239B1 (en) * | 2002-02-22 | 2004-08-04 | 주식회사 삼부커뮤닉스 | Vibration motor |
| KR100688794B1 (en) * | 2005-03-28 | 2007-03-02 | 삼성전기주식회사 | Speaker built-in a vibrating element |
| CN107801134A (en) * | 2016-08-31 | 2018-03-13 | 高立 | The speaker system of integrated motor |
| CN214901293U (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 CN202023171718.7U patent/CN214901293U/en active Active
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2021
- 2021-12-06 WO PCT/CN2021/135725 patent/WO2022135125A1/en active Application Filing
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022135125A1 (en) * | 2020-12-24 | 2022-06-30 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| 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 |
| 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 |
| WO2023193321A1 (en) * | 2022-04-07 | 2023-10-12 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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| Publication number | Publication date |
|---|---|
| WO2022135125A1 (en) | 2022-06-30 |
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