CN210899600U - Miniature loudspeaker - Google Patents
Miniature loudspeaker Download PDFInfo
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- CN210899600U CN210899600U CN201922166722.5U CN201922166722U CN210899600U CN 210899600 U CN210899600 U CN 210899600U CN 201922166722 U CN201922166722 U CN 201922166722U CN 210899600 U CN210899600 U CN 210899600U
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- voice coil
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- blocking
- coil lead
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Abstract
The utility model discloses a micro loudspeaker, which comprises a yoke, a voice coil and a frame, wherein the voice coil comprises a voice coil lead, the frame comprises a step, the voice coil lead is fixed on the step, the yoke comprises a flanging, and the flanging is positioned between the step and the voice coil; a blocking platform is arranged on the turned edge, and the height of the blocking platform above the step is larger than the diameter of the voice coil lead; the utility model discloses a be provided with on the turn-ups that is located between step and the voice coil loudspeaker voice coil and block the platform, block the platform and exceed the diameter that highly is greater than the voice coil loudspeaker voice coil lead wire of step, can effectively block the voice coil loudspeaker voice coil lead wire and break away from the step on the basin frame to improve listening yield and miniature speaker life-span.
Description
Technical Field
The utility model relates to a sounder field, in particular to miniature speaker.
Background
As a device capable of converting electric energy into acoustic energy, a micro speaker is widely used in microelectronic devices such as smart phones, camcorders, cameras, and notebook computers. The micro loudspeaker generally comprises a magnetic circuit system, a vibration system and a basin frame for accommodating and fixing the magnetic circuit system and the vibration system, wherein the vibration system generally comprises a ball top, a vibrating diaphragm and a voice coil, and the magnetic circuit system comprises magnetic steel, a washer and a yoke.
The prior art, when the equipment, on the step of the lead wire plastic basin frame of requirement voice coil loudspeaker voice coil, the step design width of general basin frame is narrower, attaches the back on the step with the lead wire, at the long-time in-process that vibrates of voice coil loudspeaker voice coil, appears the condition that the lead wire breaks away from the step easily, can influence the listening yield, and in the time of serious, still can cause the lead wire broken string, influences miniature speaker life-span.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a micro-speaker is provided to improve the sound quality and life of the micro-speaker.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a micro loudspeaker comprises a yoke, a voice coil and a frame, wherein the voice coil comprises a voice coil lead, the frame comprises a step, the voice coil lead is fixed on the step, the yoke comprises a flange, and the flange is positioned between the step and the voice coil;
and a blocking platform is arranged on the turned edge, and the height of the blocking platform higher than the step is larger than the diameter of the voice coil lead.
Furthermore, the flanging and the step are positioned on the same horizontal plane, and the height of the blocking platform is larger than the diameter of the voice coil lead.
Furthermore, one side of the turned edge close to the step is mutually abutted with one side of the step close to the turned edge;
the outer side of the blocking platform and one side, close to the step, of the flanging are perpendicular to each other.
Further, the height of the blocking stage is 1 to 3 times the diameter of the voice coil lead.
Further, the height of the blocking stage is 2 times the diameter of the voice coil lead.
Further, the width of the blocking table is one fourth to two thirds of the width of the flanging.
Further, the width of the blocking table is half of the width of the flanging.
Further, the yoke is axisymmetrical.
Further, the voice coil lead wire fixing device further comprises fixing glue, and the voice coil lead wire is fixed on the step through the fixing glue.
The beneficial effects of the utility model reside in that: the utility model provides a miniature speaker, is located to be provided with on the turn-ups between step and the voice coil loudspeaker voice coil and blocks the platform, blocks the platform and exceeds the diameter that highly is greater than the voice coil loudspeaker voice coil lead wire of step, can effectively block the voice coil loudspeaker voice coil lead wire and break away from the step on the basin frame to improve listening yield and miniature speaker life-span.
Drawings
Fig. 1 is an overall exploded schematic view of a micro-speaker according to an embodiment of the present invention;
fig. 2 is an assembly schematic diagram of a voice coil, a frame and a magnetic circuit assembly according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;
fig. 4 is a perspective view of a magnetic circuit assembly according to an embodiment of the present invention.
Description of reference numerals:
1. a magnetic circuit assembly; 2. a voice coil; 3. a basin stand; 4. a ball top; 5. a sound membrane; 11. a yoke; 12. flanging; 13. a blocking table; 21. a voice coil lead; 31. a step; 32. and (5) fixing glue.
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 4, a micro-speaker includes a yoke, a voice coil, and a frame, wherein the voice coil includes a voice coil lead, the frame includes a step, the voice coil lead is fixed on the step, the yoke includes a flange, and the flange is located between the step and the voice coil;
and a blocking platform is arranged on the turned edge, and the height of the blocking platform higher than the step is larger than the diameter of the voice coil lead.
From the above description, the beneficial effects of the present invention are: the baffle table is arranged on the flanging between the step and the voice coil, the height of the baffle table higher than the step is larger than the diameter of the voice coil lead, and the voice coil lead can be effectively prevented from being separated from the step on the frame, so that the listening yield is improved, and the service life of the micro-speaker is prolonged.
Furthermore, the flanging and the step are positioned on the same horizontal plane, and the height of the blocking platform is larger than the diameter of the voice coil lead.
From the above description, the height of the blocking platform is greater than the diameter of the voice coil lead, so that the voice coil lead can be effectively blocked from being separated from the step.
Furthermore, one side of the turned edge close to the step is mutually abutted with one side of the step close to the turned edge;
the outer side of the blocking platform and one side, close to the step, of the flanging are perpendicular to each other.
As can be seen from the above description, the blocking platform directly abuts against the outer side of the step to form a groove structure with the step for placing the voice coil lead.
Further, the height of the blocking stage is 1 to 3 times the diameter of the voice coil lead.
Further, the height of the blocking stage is 2 times the diameter of the voice coil lead.
From the above description, it can be known that the height of the micro-speaker is limited to avoid affecting other parts on the basis of ensuring that the voice coil lead wire is effectively blocked from being separated from the step, so as to ensure that the internal space of the whole micro-speaker is compact, and realize the miniaturization design of the micro-speaker.
Further, the width of the blocking table is one fourth to two thirds of the width of the flanging.
Further, the width of the blocking table is half of the width of the flanging.
As can be seen from the above description, the miniature loudspeaker is also designed in a miniaturized manner to avoid affecting other components and parts so as to ensure a compact internal space of the whole miniature loudspeaker.
Further, the yoke is axisymmetrical.
From the above description, it can be known that the whole yoke is designed to be axisymmetric, that is, the blocking table on the yoke is also axisymmetric, so as to avoid the phenomenon of reverse installation due to asymmetry of the yoke, and ensure that the design of the blocking table does not affect the production efficiency.
Further, the voice coil lead wire fixing device further comprises fixing glue, and the voice coil lead wire is fixed on the step through the fixing glue.
As can be seen from the above description, a preferred embodiment for fixing the voice coil leads to the steps is provided.
Referring to fig. 1 to 4, a first embodiment of the present invention is:
the present embodiment is applicable to sound-producing devices such as a speaker and a receiver including the voice coil 2, the frame 3, and the yoke 11.
A micro loudspeaker comprises a magnetic circuit component 1, a voice coil 2, a basin frame 3, a dome 4 and a sound film 5, wherein the magnetic circuit component 1 comprises a yoke 11, the yoke 11 comprises a flange 12, and the flange 12 is provided with a blocking platform 13; the voice coil 2 comprises a voice coil lead 21, the frame 3 comprises a step 31, and the voice coil lead 21 is fixed on the step 31 through fixing glue 32.
As shown in fig. 2 and 3, the turned-over edge 12 is located between the step 31 and the voice coil 2; the flanging 12 and the step 31 are positioned on the same horizontal plane, one side of the flanging 12 close to the step 31 is mutually abutted with one side of the step 31 close to the flanging 12, and the outer side of the blocking table 13 and one side of the flanging 12 close to the step 31 are in the same vertical plane, so that the blocking table 13 is abutted with the step 31. At this time, the height of the stopper 13 is 1 to 3 times, preferably 2 times in the present embodiment, the diameter of the voice coil lead 21; the width of the blocking table 13 is one quarter to two thirds, preferably one half in the present embodiment, of the width of the flange 12.
In the present embodiment, as shown in fig. 4, the yoke 11 is axisymmetric, that is, the flange 12 and the blocking platform 13 on the yoke 11 are also axisymmetric. Specifically, flanges 12 are provided on four sides of the yoke 11, two blocking stages 13 are provided on the flange 12 on the long side, and the two blocking stages 13 are provided on one flange 12, and the blocking stages 13 on the two sides are symmetrical with respect to the central axis.
To sum up, the utility model provides a micro loudspeaker, the turn-ups between step and voice coil are provided with the stop table, the height of stop table higher than the step is greater than the diameter of the voice coil lead wire, can effectively stop the voice coil lead wire from breaking away from the step on the basin frame, thus improve the listening yield and the life of the micro loudspeaker; the position and the size of the blocking table are limited, so that other spare parts are prevented from being influenced, the internal space of the whole micro loudspeaker is compact, and the miniature design of the micro loudspeaker is realized; through the axisymmetrical design of the yoke, the phenomenon of reverse installation caused by the asymmetry of the yoke is avoided, and the design of the blocking table is ensured not to influence the production efficiency.
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 (9)
1. The utility model provides a micro loudspeaker, includes yoke, voice coil loudspeaker voice coil and basin frame, the voice coil loudspeaker voice coil includes the voice coil loudspeaker voice coil lead wire, the basin frame includes the step, the voice coil loudspeaker voice coil lead wire is fixed on the step, its characterized in that: the yoke comprises a flange, and the flange is positioned between the step and the voice coil;
and a blocking platform is arranged on the turned edge, and the height of the blocking platform higher than the step is larger than the diameter of the voice coil lead.
2. A micro-speaker as claimed in claim 1, wherein: the flanging and the step are positioned on the same horizontal plane, and the height of the blocking platform is larger than the diameter of the voice coil lead.
3. A micro-speaker as claimed in claim 1, wherein: one side of the turnup close to the step is mutually abutted with one side of the step close to the turnup;
the outer side of the blocking platform and one side, close to the step, of the flanging are perpendicular to each other.
4. A micro-speaker as claimed in claim 2, wherein: the height of the blocking stage is 1 to 3 times the diameter of the voice coil lead.
5. A micro-speaker as claimed in claim 1, wherein: the height of the blocking platform is 2 times of the diameter of the voice coil lead.
6. A micro-speaker as claimed in any one of claims 1 to 3, wherein: the width of the blocking table is one fourth to two thirds of the width of the flanging.
7. A micro-speaker as claimed in claim 6, wherein: the width of the blocking table is one half of the width of the flanging.
8. A micro-speaker as claimed in any one of claims 1 to 3, wherein: the yoke iron is axisymmetric.
9. A micro-speaker as claimed in any one of claims 1 to 3, wherein: still include the fixed glue, the fixed glue will the voice coil loudspeaker voice coil lead wire is fixed on the step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166722.5U CN210899600U (en) | 2019-12-06 | 2019-12-06 | Miniature loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166722.5U CN210899600U (en) | 2019-12-06 | 2019-12-06 | Miniature loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210899600U true CN210899600U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922166722.5U Active CN210899600U (en) | 2019-12-06 | 2019-12-06 | Miniature loudspeaker |
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| CN (1) | CN210899600U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153536A (en) * | 2020-08-27 | 2020-12-29 | 深圳市信维声学科技有限公司 | Big amplitude speaker of suspension wire |
| WO2022110433A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2019
- 2019-12-06 CN CN201922166722.5U patent/CN210899600U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153536A (en) * | 2020-08-27 | 2020-12-29 | 深圳市信维声学科技有限公司 | Big amplitude speaker of suspension wire |
| WO2022110433A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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