CN211959542U - Speaker monomer and miniature speaker - Google Patents
Speaker monomer and miniature speaker Download PDFInfo
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- CN211959542U CN211959542U CN202020747219.9U CN202020747219U CN211959542U CN 211959542 U CN211959542 U CN 211959542U CN 202020747219 U CN202020747219 U CN 202020747219U CN 211959542 U CN211959542 U CN 211959542U
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- speaker
- voice coil
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- absorbing material
- dome
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Abstract
The utility model discloses a speaker monomer and miniature speaker, speaker monomer include vibrating diaphragm, ball top and voice coil loudspeaker voice coil, the ball top with the voice coil loudspeaker voice coil is connected respectively the vibrating diaphragm, the ball top is kept away from one side of voice coil loudspeaker voice coil is equipped with the sound absorbing material layer, the sound absorbing material layer is kept away from one side of ball top is equipped with a plurality of blind hole. The blind holes can effectively reduce the influence of standing waves, and are favorable for improving the high-frequency resonance of the micro-speaker and improving the low-frequency sensitivity. Compare sound absorbing material on the casing with the tradition, this speaker monomer can be general in the casing of difference, and different casings need not adopt the difference to place the scheme design, and the unified design on the speaker monomer can realize a large amount of automated production, does benefit to and promotes production efficiency, saves the cost simultaneously. In addition, the sound-absorbing material layer can also play a role in protecting the dome, and the rigidity of the dome is prevented from being influenced by scratching or damaging the dome in the production and transportation process, so that the performance of the loudspeaker monomer is influenced.
Description
Technical Field
The utility model relates to an electroacoustic transducer technical field especially relates to a speaker monomer and miniature speaker.
Background
With the advent of the mobile internet age, the number of smart mobile devices is increasing. Among the mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. At present, the functions of a mobile phone are very diverse, one of which is a high-quality music function, and thus, a speaker box for playing sound is widely applied to the current smart mobile devices.
The speaker box (that is, miniature speaker) of correlation technique includes the casing and accept in sound production unit (that is, speaker monomer) in the casing, sound production unit is including the vibrating diaphragm that is used for the vibration sound production, the vibrating diaphragm with the casing interval sets up the formation antechamber, antechamber and leading the sound passageway intercommunication formation antechamber. The loudspeaker box of the side sounding structure has obvious high-frequency resonance, so that distortion and noise are obviously amplified, and objective indexes and subjective sound effects of devices are influenced.
However, in the related art speaker box, when solving the high frequency resonance problem, a sound absorbing material is filled in the front cavity of the housing to absorb energy. Therefore, on one hand, the consistency between the sound absorption material and the front cavity is not enough, so that the manufacturing difficulty is increased; on the other hand, because the sound absorption material is arranged in the shell, different shells need different design schemes, universal design cannot be achieved, research and development manpower and material resources are greatly wasted, and the method and the device are contradictory to large-scale automatic production and cost reduction at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a speaker unit and a micro speaker with a novel structure are provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a loudspeaker monomer, includes vibrating diaphragm, ball top and voice coil loudspeaker voice coil, the ball top with the voice coil loudspeaker voice coil is connected respectively the vibrating diaphragm, the ball top is kept away from one side of voice coil loudspeaker voice coil is equipped with the sound absorbing material layer, the sound absorbing material layer is kept away from one side of ball top is equipped with a plurality of blind hole.
Further, the blind hole is cylindrical or conical.
Furthermore, the blind hole comprises a conical section and a cylindrical section which are communicated, the small-opening end of the conical section is arranged close to the ball top, and the caliber of the cylindrical section is the same as that of the large-opening end of the conical section.
Furthermore, the material of the ball top is hard aluminum alloy or carbon fiber.
Further, the dome is including range upon range of consecutive first substrate layer, foaming body layer and the second substrate layer, the sound absorbing material layer is located on the second substrate layer.
Further, the material of the foam layer is PET or PMI.
Further, the first base material layer is made of hard aluminum alloy or carbon fiber; the second base material layer is made of hard aluminum alloy or carbon fiber.
Further, the circumferential outline dimension of the sound-absorbing material layer is the same as the circumferential outline dimension of the ball top.
Further, the sound absorbing material layer is bonded on the top of the ball.
In order to solve the technical problem, the utility model discloses still adopt following technical scheme: the miniature loudspeaker comprises a shell and the loudspeaker monomer, wherein the loudspeaker monomer is arranged in the shell, the vibrating diaphragm and the inner wall gap of the shell are arranged to form a front cavity, and the blind hole is communicated with the front cavity.
The beneficial effects of the utility model reside in that: the blind holes can effectively reduce the influence of standing waves, and are favorable for improving the high-frequency resonance of the micro-speaker and improving the low-frequency sensitivity. Compare sound absorbing material on the casing with the tradition, this speaker monomer can be general in the casing of difference, and different casings need not adopt the difference to place the scheme design, and the unified design on the speaker monomer can realize a large amount of automated production, does benefit to and promotes production efficiency, saves the cost simultaneously. In addition, the sound-absorbing material layer can also play a role in protecting the dome, and the rigidity of the dome is prevented from being influenced by scratching or damaging the dome in the production and transportation process, so that the performance of the loudspeaker monomer is influenced.
Drawings
Fig. 1 is an exploded view of a speaker unit according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a speaker unit according to a first embodiment of the present invention;
FIG. 3 is an enlarged view of detail A in FIG. 2;
fig. 4 is a cross-sectional view of a speaker unit according to a second embodiment of the present invention;
fig. 5 is an enlarged view of detail B in fig. 4.
Description of reference numerals:
1. vibrating diaphragm; 2. a ball top; 3. a voice coil; 4. a basin stand; 5. a magnetic circuit assembly; 6. a centering support; 7. a sound absorbing material layer; 8. blind holes; 9. a first base material layer; 10. a foam layer; 11. and a second substrate layer.
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 5, a speaker unit includes a diaphragm 1, a dome 2 and a voice coil 3, the dome 2 and the voice coil 3 are respectively connected to the diaphragm 1, a sound-absorbing material layer 7 is disposed on one side of the dome 2 away from the voice coil 3, and a plurality of blind holes 8 are disposed on one side of the sound-absorbing material layer 7 away from the dome 2.
From the above description, the beneficial effects of the present invention are: the blind holes 8 can effectively reduce the standing wave influence, and are beneficial to improving the high-frequency resonance of the micro-speaker and improving the low-frequency sensitivity. Compare sound absorbing material on the casing with the tradition, this speaker monomer can be general in the casing of difference, and different casings need not adopt the difference to place the scheme design, and the unified design on the speaker monomer can realize a large amount of automated production, does benefit to and promotes production efficiency, saves the cost simultaneously. In addition, the sound absorption material layer 7 can also play a role in protecting the dome 2, and the rigidity of the dome 2 is prevented from being influenced by scratching or damaging the dome 2 in the production and transportation process, so that the performance of the loudspeaker monomer is influenced.
Further, the blind hole 8 is cylindrical or conical.
Further, the blind hole 8 comprises a conical section and a cylindrical section which are communicated, the small-opening end of the conical section is arranged close to the ball top 2, and the caliber of the cylindrical section is the same as that of the large-opening end of the conical section.
As can be seen from the above description, the blind holes 8 have various forms, which is beneficial to enhancing the diversity of the speaker units.
Further, the material of the ball top 2 is hard aluminum alloy or carbon fiber.
As can be seen from the above description, the dome 2 may be a single-layer rigid structure.
Further, the dome 2 includes a first substrate layer 9, a foam layer 10, and a second substrate layer 11 that are sequentially stacked and connected, and the sound-absorbing material layer 7 is provided on the second substrate layer 11.
Further, the material of the foam layer 10 is PET or PMI.
Further, the first substrate layer 9 is made of hard aluminum alloy or carbon fiber; the second base material layer 11 is made of hard aluminum alloy or carbon fiber.
As can be seen from the above description, the dome 2 may be a multi-layer structure, in which the first and second substrate layers are rigid material layers.
Further, the sound-absorbing material layer 7 has the same circumferential contour dimension as that of the dome 2.
As can be seen from the above description, when a manufacturer produces the golf ball, the sound-absorbing material layer 7 may be first connected and fixed to the dome 2, and then the sound-absorbing material layer 7 and the dome 2 are formed by one-step punching, so that the sound-absorbing material layer 7 can protect all areas on one side of the dome 2.
Further, the sound-absorbing material layer 7 is bonded to the dome 2.
As can be seen from the above description, the sound-absorbing material layer 7 is simply connected to the dome 2.
Miniature speaker still includes above-mentioned speaker monomer including the casing, the speaker monomer is located in the casing, vibrating diaphragm 1 with the inner wall clearance of casing sets up and forms the ante-chamber, blind hole 8 intercommunication the ante-chamber.
From the above description, the micro-speaker has good acoustic performance and is suitable for mass production.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: micro loudspeaker, including casing (not shown) and the speaker monomer of locating the casing, the speaker monomer includes vibrating diaphragm 1, dome 2, voice coil loudspeaker voice coil 3, basin frame 4, magnetic circuit assembly 5 and centring disk 6, and magnetic circuit assembly 5 locates on the basin frame 4, vibrating diaphragm 1 is connected basin frame 4, centring disk 6 is connected voice coil loudspeaker voice coil 3 with basin frame 4, dome 2 with voice coil loudspeaker voice coil 3 connects respectively vibrating diaphragm 1, dome 2 keeps away from one side of voice coil loudspeaker voice coil 3 is equipped with sound absorbing material layer 7, sound absorbing material layer 7 keeps away from one side of dome 2 is equipped with a plurality of blind hole 8, vibrating diaphragm 1 with the inner wall clearance of casing sets up and forms the antechamber, blind hole 8 intercommunication the antechamber. In this embodiment, the number of the blind holes 8 is plural, and the blind holes 8 are plural in number and arranged in an array. As will be readily understood, the sound-absorbing material layer 7 is a plate, and the material thereof may be mineral wool or the like.
Optionally, the blind hole 8 is cylindrical, but in this embodiment, the blind hole 8 is conical, and a small end of the conical blind hole 8 is close to the dome 2. Of course, the blind hole 8 can also be the multistage formula structure, for example, the blind hole 8 is including the toper section and the cylindricality section that are linked together, the osculum end of toper section is close to the setting of ball top 2, the bore of cylindricality section with the bore of the macrostoma end of toper section is the same, the cylindricality section is kept away from the one end intercommunication of toper section the sound absorbing material layer 7 is kept away from the surface of ball top 2.
In this embodiment, the dome 2 is a rigid single-layer structure, and the material of the dome 2 is hard aluminum alloy or carbon fiber.
The sound-absorbing material layer 7 has the same circumferential contour dimension as the dome 2, in other words, the circumferential wall of the sound-absorbing material layer 7 and the circumferential wall of the dome 2 are located on the same ring-shaped curved surface.
The sound-absorbing material layer 7 is bonded to the dome 2.
Example two
Referring to fig. 1, fig. 4 and fig. 5, the second embodiment of the present invention is a further improvement of the structure of the dome 2 on the basis of the first embodiment, which is different from the first embodiment only in the specific structure of the dome 2, specifically:
the dome 2 includes a first substrate layer 9, a foam layer 10 and a second substrate layer 11 which are sequentially stacked and connected, and the sound-absorbing material layer 7 is arranged on the second substrate layer 11.
The material of the foam layer 10 is PET (i.e., polyethylene terephthalate) or PMI (i.e., polymethacrylimide).
The first base material layer 9 is made of hard aluminum alloy or carbon fiber; the second base material layer 11 is made of hard aluminum alloy or carbon fiber.
To sum up, the speaker monomer and the micro speaker provided by the utility model have the advantages that the high frequency resonance is improved, and the low frequency sensitivity is improved; compare sound absorbing material on the casing with the tradition, this speaker monomer can be general in the casing of difference, and different casings need not adopt the difference to place the scheme design, and the unified design on the speaker monomer can realize a large amount of automated production, does benefit to and promotes production efficiency, saves the cost simultaneously. In addition, the sound-absorbing material layer can also play a role in protecting the dome, and the rigidity of the dome is prevented from being influenced by scratching or damaging the dome in the production and transportation process, so that the performance of the loudspeaker monomer is influenced.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, 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 utility model provides a loudspeaker monomer, includes vibrating diaphragm, ball top and voice coil loudspeaker voice coil, the ball top with the voice coil loudspeaker voice coil is connected respectively the vibrating diaphragm, its characterized in that: the dome is kept away from one side of voice coil loudspeaker voice coil is equipped with the sound absorbing material layer, the sound absorbing material layer is kept away from one side of dome is equipped with a plurality of blind hole.
2. The speaker cell of claim 1, wherein: the blind hole is cylindrical or conical.
3. The speaker cell of claim 1, wherein: the blind hole comprises a conical section and a cylindrical section which are communicated, the small-opening end of the conical section is close to the ball top, and the caliber of the cylindrical section is the same as that of the large-opening end of the conical section.
4. The speaker cell of claim 1, wherein: the material of the ball top is hard aluminum alloy or carbon fiber.
5. The speaker cell of claim 1, wherein: the ball top is including range upon range of consecutive first substrate layer, foaming body layer and the second substrate layer, inhale the sound material layer and locate on the second substrate layer.
6. The speaker cell of claim 5, wherein: the material of the foaming layer is PET or PMI.
7. The speaker cell of claim 6, wherein: the first base material layer is made of hard aluminum alloy or carbon fiber; the second base material layer is made of hard aluminum alloy or carbon fiber.
8. The speaker cell of claim 1, wherein: the circumferential outline dimension of the sound-absorbing material layer is the same as the circumferential outline dimension of the ball top.
9. The speaker cell of claim 1, wherein: the sound absorbing material layer is bonded on the top of the ball.
10. Miniature speaker, including the casing, its characterized in that: the loudspeaker single body of any one of claims 1 to 9, wherein the loudspeaker single body is arranged in the shell, a gap between the diaphragm and the inner wall of the shell is arranged to form a front cavity, and the blind hole is communicated with the front cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747219.9U CN211959542U (en) | 2020-05-08 | 2020-05-08 | Speaker monomer and miniature speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747219.9U CN211959542U (en) | 2020-05-08 | 2020-05-08 | Speaker monomer and miniature speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211959542U true CN211959542U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020747219.9U Active CN211959542U (en) | 2020-05-08 | 2020-05-08 | Speaker monomer and miniature speaker |
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| CN (1) | CN211959542U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114827854A (en) * | 2022-03-31 | 2022-07-29 | 歌尔股份有限公司 | Sounder module and intelligent head-mounted equipment |
| CN115278443A (en) * | 2022-07-06 | 2022-11-01 | 美特科技(苏州)有限公司 | Loudspeaker |
-
2020
- 2020-05-08 CN CN202020747219.9U patent/CN211959542U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114827854A (en) * | 2022-03-31 | 2022-07-29 | 歌尔股份有限公司 | Sounder module and intelligent head-mounted equipment |
| CN115278443A (en) * | 2022-07-06 | 2022-11-01 | 美特科技(苏州)有限公司 | Loudspeaker |
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