CN217825358U - Speaker monomer and miniature speaker module - Google Patents
Speaker monomer and miniature speaker module Download PDFInfo
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- CN217825358U CN217825358U CN202221183443.5U CN202221183443U CN217825358U CN 217825358 U CN217825358 U CN 217825358U CN 202221183443 U CN202221183443 U CN 202221183443U CN 217825358 U CN217825358 U CN 217825358U
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Abstract
The utility model discloses a speaker monomer and miniature speaker module, speaker monomer include magnetic circuit assembly, and magnetic circuit assembly includes the yoke and locates the limit magnet steel of yoke top surface, and the lateral wall of limit magnet steel exposes in the free side of speaker, is equipped with a plurality of bleeder vent that runs through its inside wall and lateral wall on the limit magnet steel in order to form ventilative isolation structure. This speaker monomer simple structure, novelty set up inside and outside bleeder vent of intercommunication speaker monomer and the bore through the adjustment bleeder vent on the limit magnet steel for limit magnet steel itself becomes to block inhales the ventilative isolating structure that the sound granule got into speaker monomer inside, need not additionally to set up ventilative separator, does benefit to and reduces speaker monomer's cost, simultaneously, can also avoid speaker monomer use in ventilative separator and speaker monomer separation scheduling risk. In addition, the heat dissipation performance of the loudspeaker monomer is improved, and the working stability and the service life of the loudspeaker monomer are guaranteed.
Description
Technical Field
The utility model relates to an electroacoustic converter technical field especially relates to speaker monomer and miniature speaker module.
Background
The miniature loudspeaker module is widely applied to portable electronic equipment such as mobile phones, notebook computers, hearing aids and the like. Current speaker monomer design generally adopts the sound membrane to move the air sound production as vibrating part policy, owing to receive miniature speaker module rear chamber volume restriction, the low frequency response of current miniature speaker module product is not enough, leads to the auditory sensation not good, for solving this problem, can fill in the industry usually at miniature speaker module rear chamber and inhale the sound granule in order to increase virtual rear chamber, and then reduce F0, promote low frequency sensitivity.
In order to prevent sound absorption particles from entering the inside of the speaker unit through the ventilation holes of the speaker unit, noise is generated. Prior art through on the free air outlet channel of speaker, the ventilative separator of design keeps apart in order to inhaling the sound granule, prevents to inhale the sound granule and gets into the free inside of speaker.
However, the ventilation spacer needs to be fixed on the speaker unit, which not only increases the complexity of the speaker unit structure, but also increases the assembly process of the speaker unit, thereby increasing the manufacturing cost of the micro speaker module, and meanwhile, in the use process of the speaker unit, there are risks such as separation failure of the ventilation spacer from the speaker unit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: a speaker unit with a novel structure and a micro speaker module with the same are provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the loudspeaker single body comprises a magnetic circuit component, the magnetic circuit component comprises a yoke and edge magnetic steel arranged on the top surface of the yoke, the outer side wall of the edge magnetic steel is exposed out of the side surface of the loudspeaker single body, and a plurality of air holes penetrating through the inner side wall and the outer side wall of the edge magnetic steel are formed in the edge magnetic steel to form an air-permeable isolation structure.
Further, the air holes are cylindrical, elliptic cylindrical or prismatic.
Further, the number of the air holes is multiple.
Furthermore, the number of the air holes is a plurality, and the air holes are arranged in a plurality of rows from one end of the side magnetic steel to the other end of the side magnetic steel.
Furthermore, the number of the air holes is a plurality, and the air holes are arranged close to the middle of the side magnetic steel.
Furthermore, one part of the air holes are arranged close to one end of the side magnetic steel, and the other part of the air holes are arranged close to the other end of the side magnetic steel.
Furthermore, the air holes are communicated with the bottom surfaces of the side magnetic steels.
Furthermore, the magnetic circuit component further comprises an edge washer arranged on the top surface of the edge magnetic steel, and the air holes are communicated with the top surface of the edge magnetic steel.
In order to solve the technical problem, the utility model discloses still adopt following technical scheme: miniature speaker module includes the module shell and locates speaker monomer in the module shell, speaker monomer will the inner chamber of module shell is separated for antechamber and back chamber, be equipped with in the back chamber and inhale the sound granule, speaker monomer is above-mentioned speaker monomer, the bleeder vent intercommunication the back chamber.
Further, the caliber of the air hole is smaller than the particle size of the sound absorption particles.
The beneficial effects of the utility model reside in that: this speaker monomer simple structure, novelty sets up inside and outside bleeder vent of intercommunication speaker monomer and the bore through the adjustment bleeder vent on the limit magnet steel for limit magnet steel itself becomes to block inhales the ventilative isolating construction that the sound granule got into speaker monomer inside, compares in current speaker monomer, need not additionally to set up ventilative separator, does benefit to and reduces speaker monomer's material cost and assembly cost, simultaneously, can also avoid the risk such as ventilative separator and speaker monomer separation in the speaker monomer use. In addition, the heat inside the loudspeaker monomer can be dissipated to the external environment through the vent hole, so that the heat dissipation performance of the loudspeaker monomer is improved, and the working stability and the service life of the loudspeaker monomer are guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an overall structure of a speaker unit according to a first embodiment of the present invention;
fig. 2 is an exploded view of a speaker unit according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of an internal structure of a speaker unit according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of an overall structure of a speaker unit according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of an overall structure of a speaker unit according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of an overall structure of a speaker unit according to a fourth embodiment of the present invention;
fig. 7 is a schematic structural diagram of an overall structure of a speaker unit according to a fifth embodiment of the present invention;
fig. 8 is a schematic structural diagram of an overall structure of a speaker unit according to a sixth embodiment of the present invention.
Description of reference numerals:
1. a basin stand;
2. a vibrating assembly; 21. a voice coil; 22. a sound membrane; 23. a ball top;
3. a magnetic circuit assembly; 31. a yoke iron; 32. a central magnetic steel; 33. edge magnetic steel; 331. air holes are formed; 34. a central washer; 35. a side washer.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 8, the speaker unit includes a magnetic circuit component 3, the magnetic circuit component 3 includes a yoke 31 and a side magnetic steel 33 disposed on a top surface of the yoke 31, an outer side wall of the side magnetic steel 33 is exposed to a side surface of the speaker unit, and the side magnetic steel 33 is provided with a plurality of air holes 331 penetrating through an inner side wall and an outer side wall thereof to form an air-permeable isolation structure.
From the above description, the beneficial effects of the utility model reside in that: this speaker monomer simple structure, novelty, set up inside and outside bleeder vent 331 of intercommunication speaker monomer and the bore through adjustment bleeder vent 331 on limit magnet steel 33 for limit magnet steel 33 itself becomes to block and inhales the inside ventilative isolating construction of sound granule entering speaker monomer, compare in current speaker monomer, need not additionally to set up ventilative separator, do benefit to and reduce the free material cost of speaker and assembly cost, and simultaneously, can also avoid speaker monomer use in ventilative separator and speaker monomer separation scheduling risk. In addition, the heat inside the speaker unit can be dissipated to the external environment through the air holes 331, so that the heat dissipation performance of the speaker unit is improved, and the working stability and the service life of the speaker unit are guaranteed.
Further, the vent hole 331 has a cylindrical, elliptical or prismatic shape.
As described above, the shape of the air hole 331 is various and can be set as desired.
Further, the number of the air holes 331 is plural.
As can be seen from the above description, the plurality of air holes 331 effectively increase the air permeability of the speaker unit, which is beneficial to ensuring the performance of the speaker unit.
Further, the plurality of air holes 331 are arranged in a plurality of rows from one end of the side magnetic steel 33 to the other end of the side magnetic steel 33.
Further, the plurality of air holes 331 are disposed near the middle of the side magnetic steel 33.
Further, one part of the air holes 331 are disposed near one end of the side magnetic steel 33, and the other part of the air holes 331 are disposed near the other end of the side magnetic steel 33.
Further, the air holes 331 are communicated with the bottom surface of the side magnetic steel 33.
Further, the magnetic circuit assembly 3 further includes a side washer 35 disposed on the top surface of the side magnetic steel 33, and the air holes 331 are communicated with the top surface of the side magnetic steel 33.
As can be seen from the above description, the plurality of air holes 331 are formed in the side magnetic steel 33 at various positions, so as to enrich the diversity of the speaker units.
Miniature speaker module, include the module shell and locate speaker monomer in the module shell, speaker monomer will the inner chamber of module shell is separated for antechamber and back chamber, be equipped with in the back chamber and inhale the sound granule, speaker monomer is above-mentioned speaker monomer, bleeder vent 331 communicates the back chamber.
The micro loudspeaker module is simple in assembly process and low in manufacturing cost.
Further, the aperture of the air hole 331 is smaller than the particle size of the sound-absorbing particles.
As can be seen from the above description, the aperture of the air hole 331 is smaller than the particle size of the sound-absorbing particles, which can effectively prevent the sound-absorbing particles from entering the interior of the speaker unit.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: the miniature loudspeaker module can be applied to electronic equipment with a sound playing function, such as a mobile phone, an intelligent watch, an interphone, an earphone, a tablet computer and a notebook computer.
The micro loudspeaker module comprises a module shell and a loudspeaker monomer arranged in the module shell, wherein the loudspeaker monomer is divided into a front cavity and a rear cavity by the inner cavity of the module shell, sound absorption particles are arranged in the rear cavity, and a sound outlet communicated with the front cavity is formed in the module shell.
The loudspeaker single body comprises a basin frame 1, a vibration component 2 and a magnetic circuit component 3, wherein the vibration component 2 and the magnetic circuit component 3 are respectively connected and fixed with the basin frame 1, the vibration component 2 comprises a vibration diaphragm component and a voice coil 21 arranged on the vibration diaphragm component, the vibration diaphragm component is connected with the basin frame 1, and optionally, the vibration diaphragm component comprises a sound film 22 and a ball top 23 arranged on the sound film 22; magnetic circuit component 3 includes yoke 31, central china department 34, limit china department 35 and locates respectively central magnet steel 32 and the limit magnet steel 33 of yoke 31 top surface, the quantity of limit magnet steel 33 is a plurality of, central magnet steel 32 is located at least a set of two that set up relatively between the limit magnet steel 33, limit magnet steel 33 with it can hold to form between the central magnet steel 32 the voice coil 21 keeps away from the magnetic gap of the tip of vibrating diaphragm component, the top surface of central magnet steel 32 is equipped with central china department 34, the top surface of limit magnet steel 33 is equipped with limit china department 35.
The outer side wall of the side magnetic steel 33 is exposed out of the side surface of the speaker unit, that is, the outer side wall of the side magnetic steel 33 can be directly seen from the outside of the speaker unit.
Be equipped with a plurality of bleeder vent 331 that runs through its inside wall and lateral wall on limit magnet steel 33, bleeder vent 331 intercommunication the back cavity, the bore of bleeder vent 331 is less than inhale the particle diameter of sound granule, so that limit magnet steel 33 itself forms and blocks inhale the sound granule and get into the inside ventilative isolation structure of speaker monomer.
Further, the vent hole 331 has a cylindrical, elliptical or prismatic shape. In this embodiment, the air hole 331 is in a rectangular column shape, and at this time, the width and/or height of the air hole 331 is smaller than the particle size of the sound-absorbing particles, and in detail, the air hole 331 is communicated with the top surface of the side magnetic steel 33, that is, a wall surface of the air hole 331 is a partial area of the bottom surface of the side washer 35. In other words, the top surface of the side magnetic steel 33 is formed with a groove, and the groove and the bottom surface of the side washer 35 enclose the air hole 331.
Preferably, the number of the vent holes 331 is plural. Optionally, the plurality of air holes 331 are arranged in a plurality of rows from one end of the side magnetic steel 33 to the other end of the side magnetic steel 33. In this embodiment, the plurality of ventilation holes 331 are arranged in a row from one end of the side magnetic steel 33 to the other end of the side magnetic steel 33, and in other embodiments, the plurality of ventilation holes 331 may also be arranged in a plurality of rows.
Example two
Referring to fig. 4, the second embodiment of the present invention is a parallel technical solution of the first embodiment, and the difference from the first embodiment is only that: among the plurality of air holes 331, a part of the air holes 331 are disposed near one end of the side magnetic steel 33, and the other part of the air holes 331 are disposed near the other end of the side magnetic steel 33.
EXAMPLE III
Referring to fig. 5, a third embodiment of the present invention is a parallel technical solution of the first embodiment, and is different from the first embodiment only in that: the plurality of air holes 331 are arranged near the middle of the side magnetic steel 33.
Example four
Referring to fig. 6, a fourth embodiment of the present invention is a parallel technical solution of the first embodiment, and the difference from the first embodiment is only that: the air hole 331 communicates with the bottom surface of the side magnetic steel 33 but does not communicate with the top surface of the side magnetic steel 33, that is, a wall surface of the air hole 331 is a partial area of the top surface of the yoke 31. In other words, the bottom surface of the side magnetic steel 33 is formed with a groove, and the groove and the top surface of the yoke 31 enclose the air hole 331.
EXAMPLE five
Referring to fig. 7, a fifth embodiment of the present invention is a parallel technical solution of the first embodiment, and is different from the first embodiment in that: the air holes 331 are not communicated with the bottom surface of the side magnetic steel 33, but not communicated with the top surface of the side magnetic steel 33, that is, the air holes 331 are closed hole structures formed on the side magnetic steel 33 and continuous around.
In this embodiment, the air holes 331 are square columns. In other embodiments, the vent 331 may be triangular prism shaped, pentagonal prism shaped, hexagonal prism shaped, or other shapes.
The particle size of the sound-absorbing particles is smaller than the side length of the air holes 331.
Example six
Referring to fig. 8, a sixth embodiment of the present invention is a parallel technical solution of the fifth embodiment, and the difference from the fifth embodiment is only that: the air holes 331 are cylindrical, and the diameter of the sound-absorbing particles is smaller than that of the air holes 331.
To sum up, the utility model provides a speaker monomer and miniature speaker module, simple structure, novelty set up inside and outside bleeder vent of intercommunication speaker monomer and the bore through the adjustment bleeder vent on the limit magnet steel for limit magnet steel itself becomes to block inhales the ventilative isolation structure that the sound granule got into speaker monomer inside, compares in current speaker monomer, need not additionally to set up ventilative separator, does benefit to and reduces speaker monomer's material cost and assembly cost, simultaneously, can also avoid speaker monomer use in ventilative separator and speaker monomer separation scheduling risk. In addition, the heat inside the loudspeaker monomer can be dissipated to the external environment through the vent hole, so that the heat dissipation performance of the loudspeaker monomer is improved, and the working stability and the service life of the loudspeaker monomer are guaranteed.
The above mentioned is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. The speaker monomer, including magnetic circuit assembly, magnetic circuit assembly includes the yoke and locates the limit magnet steel of yoke top surface, the lateral wall of limit magnet steel expose in the free side of speaker, its characterized in that: the side magnetic steel is provided with a plurality of air holes penetrating through the inner side wall and the outer side wall of the side magnetic steel to form a ventilation isolation structure.
2. The speaker cell of claim 1, wherein: the air holes are cylindrical, elliptic cylindrical or prismatic.
3. A loudspeaker unit as claimed in claim 1, wherein: the number of the air holes is multiple.
4. A loudspeaker unit as claimed in claim 3, wherein: the number of the air holes is a plurality, and the air holes are arranged in a plurality of rows from one end of the side magnetic steel to the other end of the side magnetic steel.
5. A loudspeaker unit as claimed in claim 3, wherein: the air holes are arranged in a plurality of numbers and close to the middle of the side magnetic steel.
6. A loudspeaker unit as claimed in claim 3, wherein: one part of the air holes are arranged close to one end of the edge magnetic steel, and the other part of the air holes are arranged close to the other end of the edge magnetic steel.
7. The speaker cell of claim 1, wherein: the air holes are communicated with the bottom surface of the side magnetic steel.
8. A loudspeaker unit as claimed in claim 1, wherein: the magnetic circuit component further comprises a side washer arranged on the top surface of the side magnetic steel, and the air holes are communicated with the top surface of the side magnetic steel.
9. Micro loudspeaker module, include the module shell and locate speaker monomer in the module shell, speaker monomer will the inner chamber of module shell is separated for antechamber and back chamber, the back intracavity is equipped with inhales sound granule, its characterized in that: the loudspeaker monomer is the loudspeaker monomer in any one of claims 1-8, and the air holes are communicated with the rear cavity.
10. The micro-speaker module of claim 9, wherein: the caliber of the air holes is smaller than the particle size of the sound-absorbing particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183443.5U CN217825358U (en) | 2022-05-17 | 2022-05-17 | Speaker monomer and miniature speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183443.5U CN217825358U (en) | 2022-05-17 | 2022-05-17 | Speaker monomer and miniature speaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217825358U true CN217825358U (en) | 2022-11-15 |
Family
ID=83984194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221183443.5U Active CN217825358U (en) | 2022-05-17 | 2022-05-17 | Speaker monomer and miniature speaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217825358U (en) |
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2022
- 2022-05-17 CN CN202221183443.5U patent/CN217825358U/en active Active
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