CN216565559U - Loudspeaker module and earphone - Google Patents
Loudspeaker module and earphone Download PDFInfo
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- CN216565559U CN216565559U CN202123196349.1U CN202123196349U CN216565559U CN 216565559 U CN216565559 U CN 216565559U CN 202123196349 U CN202123196349 U CN 202123196349U CN 216565559 U CN216565559 U CN 216565559U
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Abstract
The utility model provides a loud-speaking module and an earphone, wherein the loud-speaking module comprises a shell, a coil iron bracket matched with the shell, a moving iron assembly and a moving coil assembly which are arranged on the coil iron bracket, wherein a cavity is formed in the shell; the moving iron assembly part is accommodated on the moving iron supporting part; the moving coil assembly comprises a sound film, a voice coil, a washer and a magnet which are arranged in a stacked mode, the periphery of the sound film is fixed to the inner side of the moving coil supporting part, and the voice coil, the washer and the magnet are arranged coaxially with the sound film; the moving coil component further comprises a U-shaped cup and a moving coil support, and the upper surface of the moving coil support is attached to the outer edge of the lower end face of the sound film. According to the loudspeaker module provided by the utility model, the moving iron assembly and the moving coil assembly are respectively assembled on two sides of the coil iron support, so that sound emitted by the moving iron assembly and the moving coil assembly is resonated in the sound cavity, the output tone quality effect is optimized, high-low audio frequency complementation is realized, and the range is improved.
Description
Technical Field
The utility model relates to the technical field of speakers, in particular to a speaker module and an earphone.
Background
With the upgrade of consumption, various technological products are rapidly changing, wherein earphones are widely used in daily life as an audio delivery device of a new era, and meanwhile, the demand standard for earphones is also increasing day by day.
Traditional earphone, its sound production principle be through the loudspeaker unit (voice coil unit or move indisputable unit) in the earphone with audio signal urge the sound membrane vibration, and then make the air in the earphone cavity take place to vibrate to form sound.
In order to improve the tone quality and enable the high-pitch range and the low-pitch range of the earphones to have better performance, the existing earphones adopt the moving iron unit and the moving coil unit to improve the universality of the pitch range, however, due to assembly limitation, the moving iron unit and the moving coil unit are limited by the assembly position during sounding to generate pitch range conflict, and the actual sounding effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a speaker module and an earphone including the speaker module, so as to solve at least the problem of a sound range conflict caused by the limitation of the assembly position when the moving iron unit and the moving coil unit generate sound in the prior art.
The speaker module provided by the utility model comprises:
a shell, a coil iron bracket matched with the shell, a moving iron component and a moving coil component which are arranged on the coil iron bracket,
a cavity is formed in the shell and used for accommodating the ring iron bracket, the moving iron assembly and the moving coil assembly;
the periphery of the coil iron support is embedded with the inner side of the shell, the coil iron support comprises a moving iron supporting part and a moving coil supporting part, and the moving iron supporting part is arranged on one side of the moving coil supporting part; the moving iron assembly is partially accommodated on the moving iron supporting part; the moving coil assembly comprises a sound film, a voice coil, a washer and a magnet which are arranged in a stacked mode, the periphery of the sound film is clamped and fixed on the inner side of the moving coil supporting part, and the voice coil, the washer and the magnet are arranged coaxially with the sound film;
the loudspeaker module further comprises a U-shaped cup and a moving coil support, the upper surface of the moving coil support is attached to the outer edge of the lower end face of the sound film, and the U-shaped cup is used for plugging the inner ring of the moving coil support, so that the lower end of the moving coil assembly is sealed.
In addition, the speaker module according to the present invention has the following additional features:
furthermore, the movable coil supporting part is annular, a convex tongue protruding towards the movable iron supporting part is arranged on the annular inner wall of the movable coil supporting part, and a first fixing groove is formed in the convex tongue; move indisputable supporting part and be the arch, including the fixed part that is located the middle part and be located the linking arm at both ends, the end of linking arm with move the circle supporting part and connect, the middle part orientation of fixed part one side of first fixed slot is equipped with the second fixed slot, move indisputable subassembly and locate first fixed slot with between the second fixed slot.
Further, the first fixing groove comprises a first bottom support and a first clamping wall arranged perpendicular to the first bottom support, and the first clamping wall and the first bottom support enclose to form a first L-shaped supporting structure; the second fixed slot by the inside sunken formation of fixed part, include with first collet parallel arrangement's second collet and with the perpendicular second centre gripping wall that sets up of second collet, the second centre gripping wall with the second collet encloses to close form with the opposite second L type bearing structure of first fixed slot.
Furthermore, the casing is hump form, be equipped with a sound pipe on the casing, the sound pipe is round hole shape hollow structure, be equipped with out the sound hole in the sound pipe, first centre gripping wall with the orientation of second centre gripping wall with go out the sound hole aligns.
Further, the first shoe is formed by the tab extending outwardly.
Furthermore, the middle part of the moving iron supporting part is hollowed out, so that the convex tongue and the moving iron supporting part are encircled to form a leak hole.
Furthermore, the loudspeaker module still includes a pickup microphone, the inner wall of casing is equipped with the holding the fitting groove of pickup microphone, the fitting groove profile modeling in pickup microphone, so that pickup microphone gomphosis in the fitting groove.
Furthermore, the inner ring of the moving coil support is provided with at least one protrusion extending inwards, and the side wall of the U-shaped cup is provided with a clamping groove matched with the protrusion.
Furthermore, one side of the moving coil support facing the coil iron support is provided with a sinking groove, and the moving coil support part is accommodated in the sinking groove.
Furthermore, the movable coil support is provided with at least one sound transmission hole, and the sound transmission hole axially penetrates through the movable coil support.
Further, the sound transmission holes are diffused along the edge of the moving coil support in an arc shape.
The utility model also provides an earphone which comprises the loudspeaker module. Compared with the prior art, the utility model has the beneficial effects that: the moving coil and the moving iron are combined to mutually make up the defects of the moving coil and the moving iron, so that high and low audio frequency complementation is realized, and the range of the loudspeaker module is further improved; the moving iron and the moving coil are respectively assembled on two sides of the coil iron bracket, so that sound emitted by the moving iron and the moving coil is resonated in the sound cavity, and the output sound quality effect is optimized; in addition, the ring iron support is beneficial to the assembly and disassembly of the moving iron and the moving coil, and the production and maintenance procedures of products are optimized.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
Fig. 1 is a perspective assembly view of a speaker module according to an embodiment of the present invention;
FIG. 2 is an exploded view of the speaker module of FIG. 1;
fig. 3 is a schematic structural view of a ring iron support in the speaker module shown in fig. 1;
fig. 4 is a schematic view of a separated structure of a rim iron bracket and a housing in another angle of the speaker module shown in fig. 1;
FIG. 5 is an enlarged view of the first fixing groove of the ring iron bracket;
FIG. 6 is an enlarged view of the second fixing groove of the ring iron support;
fig. 7 is a schematic view of an inner side structure of a housing of the speaker module of fig. 1;
FIG. 8 is a schematic structural view of the ring iron bracket and the U-shaped cup;
FIG. 9 is a schematic view of an assembly structure of the moving coil support, the U-shaped cup and the sound diaphragm according to an embodiment of the present invention;
fig. 10 is a schematic structural view of the moving coil support, the U-shaped cup and the voice film in fig. 9 from another view angle.
Description of the main elements
The following detailed description will further illustrate the utility model in conjunction with the above-described figures.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to fig. 2, a speaker module according to an embodiment of the present invention is shown. Wherein, loudspeaker module includes: the coil iron assembly comprises a shell 10, a coil iron bracket 20 matched with the shell 10, and a moving iron assembly 30 and a moving coil assembly 40 which are arranged on the coil iron bracket 20.
Referring to fig. 3 and 4, the periphery of the coil support 20 is embedded in the inner side of the housing 10 forming the cavity, the coil support 20 includes a moving-iron support portion 21 and a moving-coil support portion 22, the moving-coil support portion 22 is annular, and the moving-iron support portion 21 is disposed on one side of the moving-coil support portion 22; specifically, in the embodiment of the present invention, the moving coil support portion 22 and the moving iron support portion 21 are disposed in a vertical relationship, the moving iron support portion 21 is disposed on a side close to the sound tube 12 of the casing 10, and the moving coil support portion 22 is disposed below the moving iron support portion 21. The inner ring wall of the moving coil support part 22 is provided with a tongue 221 facing the moving iron support part 21, the tongue 221 is provided with a first fixing groove 2211, and the moving iron support part 21 is arched and comprises a fixing part 211 in the middle and connecting arms 212 at two ends. The distal end of the connecting arm 212 is connected to the coil support portion 22, and specifically, the connection length of the distal end of the connecting arm 212 is smaller than the inner diameter of the moving coil support portion 22. A second fixing groove 2111 is formed at the middle portion of the fixing portion 211 toward the first fixing groove 2211.
Further, referring to fig. 5 and fig. 6, the first fixing slot 2211 includes a first bottom base 2212 and a first clamping wall 2213 disposed perpendicular to the first bottom base 2212, the first clamping wall 2213 and the first bottom base 2212 enclose to form a first L-shaped supporting structure; the second fixing slot 2111 is formed by inward depression of the fixing portion 211, and includes a second bottom support 2112 parallel to the first bottom support 2212 and a second clamping wall 2113 perpendicular to the second bottom support 2112, and the second clamping wall 2113 and the second bottom support 2112 enclose to form a second L-shaped support structure opposite to the first fixing slot. When assembled, the bottom of the moving-iron assembly 30 is supported by the first and second bottom brackets 2212 and 2112, and the side portions of the moving-iron assembly 30 are limited by the first and second clamping walls 2213 and 2113. So that the moving iron assembly 30 is partially received in the upper end of the coil iron bracket 20. The internal sound production unit of the loudspeaker module is simple in assembling process, and good in assembling stability and effect.
Further, in embodiments of the present invention, the first mounting tab 2212 is formed by the tab 221 extending outwardly. The extended first bottom mount 2212 enhances the support of the moving iron assembly 300 and optimizes the escape space for the sound coming out of the sound diaphragm 41. Meanwhile, the middle portion of the moving-iron supporting portion 21 is hollowed out, so that the protruding tongue 221 and the moving-iron supporting portion 21 surround to form a leak hole 222. The audio frequency generated by the vibration of the sound film 41 can be transmitted outwards through the two leaking holes 222, so that the shielding effect of the structure of the moving iron supporting part 21 on the audio frequency generated by the sound film 41 is reduced. Thereby making the audio transmission effect from the sound film 41 more desirable. In addition, the moving iron supporting part 21 is designed to be in an arch structure by leaning on the inner wall of the shell 10, so that the volume of a cavity in the shell is greatly improved, and the audio output effect is better.
In the embodiment of the present invention, the first and second clamping walls 2213 and 2113 are aligned with the orientation of the sound outlet 122. So that the moving iron assembly 30 faces the sound outlet 122 after being assembled. Thereby allowing the sound emitting direction of the moving iron component to directly face the sound emitting hole 122. The sound effect is optimized.
Further, the moving iron assembly 300 is cylindrical. The moving iron assembly 30 is disposed on the moving iron supporting portion 21, and specifically, is received between the first fixing groove 2211 and the second fixing groove 2111.
Further, the moving coil assembly 40 includes a sound film 41, a voice coil 42, a washer 43, and a magnet 44, which are stacked, the periphery of the sound film 41 is clamped and fixed to the inner side of the moving coil supporting portion 22, and the sound 42, the washer 43, and the magnet 44 are coaxially disposed with the sound film 41; the moving coil assembly 40 further comprises a U-shaped cup 45 and a moving coil support 46, the upper surface of the moving coil support 46 is attached to the outer edge of the lower end face of the sound film 41, and the U-shaped cup 45 is used for plugging the inner ring of the moving coil support 46 to seal the lower end of the moving coil assembly 40.
In the embodiment of the utility model, in the actual production and assembly process, the moving iron assembly 30 is inserted into the ring iron support 20 to realize assembly, and the moving coil assemblies 40 are sequentially stacked and assembled and are buckled and assembled with the ring iron support 20, so that the internal sound generating unit of the loudspeaker module has simple assembly process and good assembly stability effect. Meanwhile, the sound producing areas of the moving iron assembly 30 and the moving coil assembly 400 are located in a sound cavity formed by enclosing the sound film 41, the coil support 20 and the shell 10, the movable iron assembly 30 can be used for realizing the crisp sound quality of a middle and high sound section, and the moving coil assembly 40 can be used for realizing the stable sound quality of a low sound section. The sound emitted by the two sound cavities forms resonance in the sound cavity, and the output tone quality effect is optimized.
Fig. 7 is a schematic view of an inner side structure of a housing 10 of a speaker module according to an embodiment of the present invention. As shown in the figure, the inner wall of the housing 10 is provided with an assembling groove 13 for accommodating the sound pickup microphone 50, and the assembling groove 13 is configured to be similar to the sound pickup microphone 50, in the embodiment of the present invention, the sound pickup microphone 50 is rectangular, and correspondingly, the assembling groove 13 is also configured to be similar to the sound pickup microphone 11 and is also in a shape of a rectangular sinking groove. So that the sound pickup microphone 11 is fitted in the fitting groove 13.
Further, please refer to fig. 8, which is a schematic structural diagram of a moving coil support 46 and a U-shaped cup 45 of a speaker module according to an embodiment of the present invention. The inner ring of the moving coil support 46 is provided with three protrusions 461 extending inwards, and the side wall of the U-shaped cup 9 is provided with a slot 451 matching with the protrusions 461. The U-shaped cup 45 is used for packaging the moving coil assembly 40, after the moving coil support 46 is assembled, the primary packaging of the moving coil assembly 40 is realized, and then the packaging of the moving coil assembly 40 is completed after the clamping groove 451 of the U-shaped cup 45 is aligned and matched with the protrusion 461 of the moving coil support 46. The alignment mode simplifies the whole assembly process. It is understood that the embodiment of the present invention only uses a preferred embodiment of aligning and matching the three protrusions 461 with the three slots 451, and in other embodiments of the present invention, the number of the protrusions 461 and the slots 451 may be other set numbers. The present invention is not particularly limited in this regard.
Further, the above-mentioned moving coil bracket 46 is provided with a sinking groove 462 at a side facing the coil bracket 20, and the moving coil supporting portion 22 of the coil bracket 20 is partially received in the sinking groove 462. The sinking groove 462 is used for realizing the buckling assembly with the ring iron bracket 20. The assembly stability is further improved.
Further, referring to fig. 9 and 10, in the embodiment of the present invention, two sound transmission holes 463 are formed in the moving coil support 46, and the moving coil support 46 is axially penetrated through the sound transmission holes 463, so that the cavity of the casing 10 can be conducted to the space located at the lower end of the moving coil support 46 through the sound transmission holes 463 (it can be understood that the casing 10 is merely an upper casing forming the speaker module, the other half of the lower casing is not shown in the drawings, the moving coil support 46 is located at the connection position of the upper casing and the lower casing, the outer edge of the moving coil support is completely attached to the inner wall of the upper casing, and the internal air circulation is achieved through the sound transmission holes 463). Specifically, the sound transmission hole 463 is an arc-shaped curved hole, and the sound transmission hole 463 is formed by arc-shaped diffusion along the edge of the moving coil holder 46. The sound transmitting hole 463 is provided so that the audio emitted from the sound film 41 can also be transmitted to the cavity of the lower housing of the speaker module through the moving coil support 46. Make the audio frequency of final through going out sound hole output more lasting, the tone quality effect further obtains promoting.
For example, but not limited to, in the embodiment of the present invention, the sound transmission hole 463 is curved along the moving coil support, and its specific application is sound transmission effect, in other embodiments of the present invention, the shape of the sound transmission hole 463 is not specifically limited, and meanwhile, two sound transmission holes 463 are also a preferred embodiment of the present invention, and the present invention is not specifically limited to this.
In summary, compared with the prior art, in the speaker module of the above embodiment of the present invention, in the actual production and assembly process of the speaker module, the moving iron assembly 30 is inserted into the ring iron support 20 to realize assembly, and the moving coil assemblies 40 are sequentially stacked and assembled and are fastened and assembled with the ring iron support 20, so that the assembly process of the internal sound generating unit of the speaker module is simple; and the moving iron assembly 30 and the moving coil assembly 40 are integrally assembled through the coil support 20, so that the assembly stabilizing effect is better. Meanwhile, the sound production areas of the moving iron assembly 30 and the moving coil assembly 40 are located in a cavity formed by enclosing the sound film 41, the coil support 20 and the shell 10, the clear tone quality of a middle and high sound section can be realized by using the moving iron assembly 30, and the stable tone quality of a low sound section can be realized by using the moving coil assembly 40. The sound generated by the two parts forms resonance in the cavity, so that the output tone quality effect is optimized; in addition, the moving iron supporting part 21 also greatly improves the volume of a cavity in the shell by being in an arch structure design close to the inner wall of the shell 10, so that the audio output effect is better; the moving iron assembly 30 faces the sound outlet hole 101, so that the sound outputted by the moving iron assembly 30 can be directly transmitted to the sound outlet hole 101 through the cavity without being blocked. The sound effect is better; the movable coil assembly 40 is packaged after the clamping groove 451 of the U-shaped cup 45 is aligned and matched with the protrusion 461 of the movable coil support 46, so that the whole assembly process is simplified.
In addition, the utility model also provides an earphone which comprises at least one loudspeaker module. The earphone may be in the form of a wired earphone or a wireless earphone, or in the form of an in-ear earphone or an out-worn earphone, or may be a medical device such as a hearing aid having an earphone shape, which is not limited herein.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. A speaker module, characterized in that the speaker module comprises:
the coil iron support is matched with the shell, and the moving iron assembly and the moving coil assembly are arranged on the coil iron support;
the periphery of the coil iron support is embedded with the inner side of the shell, the coil iron support comprises a moving iron supporting part and a moving coil supporting part, and the moving iron supporting part is arranged on one side of the moving coil supporting part; the moving iron assembly is partially accommodated on the moving iron supporting part; the moving coil assembly comprises a sound film, a voice coil, a washer and a magnet which are arranged in a stacked mode, the periphery of the sound film is clamped and fixed on the inner side of the moving coil supporting part, and the voice coil, the washer and the magnet are arranged coaxially with the sound film;
the movable coil assembly further comprises a U-shaped cup and a movable coil support, the upper surface of the movable coil support is attached to the outer edge of the lower end face of the sound film, and the U-shaped cup is used for plugging the inner ring of the movable coil support so as to seal the lower end of the movable coil assembly.
2. The speaker module of claim 1 wherein said moving coil support is annular, and a protruding tongue protruding toward said moving iron support is provided on an inner annular wall of said moving coil support, and said protruding tongue is provided with a first fixing groove; move indisputable supporting part and be the arch, including the fixed part that is located the middle part and be located the linking arm at both ends, the end of linking arm with move the circle supporting part and connect, the middle part orientation of fixed part one side of first fixed slot is equipped with the second fixed slot, move indisputable subassembly and locate first fixed slot with between the second fixed slot.
3. The speaker module of claim 2 wherein said first retaining slot comprises a first base support and a first retaining wall disposed perpendicular to said first base support, said first retaining wall and said first base support enclosing a first L-shaped support structure; the second fixed slot by the inside sunken formation of fixed part, include with first collet parallel arrangement's second collet and with the perpendicular second centre gripping wall that sets up of second collet, the second centre gripping wall with the second collet encloses to close form with the opposite second L type bearing structure of first fixed slot.
4. The acoustic speaker module of claim 3 wherein said housing is ridged, said housing has a sound tube, said sound tube has a round hollow structure, said sound tube has a sound outlet hole, and said first holding wall and said second holding wall are aligned with said sound outlet hole.
5. The acoustic speaker module of claim 3 wherein said first mounting is formed by said tab extending outwardly therefrom.
6. The acoustic speaker module of claim 2 wherein said moving-iron support portion is hollow in a middle portion thereof such that said tab and said moving-iron support portion enclose a leak.
7. The speaker module of claim 1, further comprising a pickup microphone, wherein the inner wall of the housing has a mounting groove for receiving the pickup microphone, and the mounting groove is formed to follow the pickup microphone, so that the pickup microphone is fitted in the mounting groove.
8. The acoustic speaker module of claim 1 wherein said inner ring of said moving coil support has at least one inwardly extending protrusion, and said U-shaped cup has a sidewall with a detent configured to mate with said protrusion.
9. The acoustic speaker module of claim 1 wherein said moving coil support has a countersunk groove on a side thereof facing said coil support, said moving coil support being partially received in said countersunk groove.
10. The acoustic speaker module of claim 1 wherein said moving coil support has at least one sound transmitting aperture formed therein, said sound transmitting aperture extending axially through said moving coil support.
11. The acoustic speaker module of claim 10 wherein said acoustic holes extend arcuately along the edge of said moving coil support.
12. An earphone, characterized in that it comprises the speaker module of any one of claims 1 to 11.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123196349.1U CN216565559U (en) | 2021-12-17 | 2021-12-17 | Loudspeaker module and earphone |
| PCT/CN2021/141897 WO2023108814A1 (en) | 2021-12-17 | 2021-12-28 | Loudspeaker module and earphones |
| US18/668,246 US20240305922A1 (en) | 2021-12-17 | 2024-05-20 | Speaker device and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123196349.1U CN216565559U (en) | 2021-12-17 | 2021-12-17 | Loudspeaker module and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216565559U true CN216565559U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123196349.1U Active CN216565559U (en) | 2021-12-17 | 2021-12-17 | Loudspeaker module and earphone |
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| CN (1) | CN216565559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114222220A (en) * | 2021-12-17 | 2022-03-22 | 深圳我购科技有限公司 | Loudspeaker module and earphone |
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2021
- 2021-12-17 CN CN202123196349.1U patent/CN216565559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114222220A (en) * | 2021-12-17 | 2022-03-22 | 深圳我购科技有限公司 | Loudspeaker module and earphone |
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