CN211531290U - Sound production device - Google Patents
Sound production device Download PDFInfo
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- CN211531290U CN211531290U CN201922419622.9U CN201922419622U CN211531290U CN 211531290 U CN211531290 U CN 211531290U CN 201922419622 U CN201922419622 U CN 201922419622U CN 211531290 U CN211531290 U CN 211531290U
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- wall
- magnetic
- bowl
- framework
- dome
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Abstract
The utility model provides a sounding device, which comprises a basin frame, a vibration system supported on the basin frame and a magnetic circuit system for driving the vibration system to vibrate and sound, wherein the vibration system is provided with a voice coil, the magnetic circuit system is provided with a magnetic gap, the vibration system comprises a vibration film and a framework, the vibration film comprises a ball top and a folding ring part connected with the periphery of the ball top, and the surface of the ball top is wavy; one end of the framework is connected with the dome, the other end of the framework is connected with the voice coil, and the framework and the dome are of an integrally formed structure; the voice coil is inserted in the magnetic gap and fixedly connected with the framework, and the voice coil drives the framework to vibrate so as to drive the vibrating diaphragm to vibrate and sound. Compared with the prior art, the utility model discloses a sounding device is with low costs and sound production effect is good.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electroacoustic conversion field especially relates to an apply to vocal device of electron audio amplifier product.
[ background of the invention ]
The sound generating device is also called a loudspeaker or a loudspeaker, and is applied to a sound box to convert an audio signal into sound for playing.
The sound production device in the related art comprises a basin frame, a vibration system fixed on the basin frame and a magnetic circuit system with a magnetic gap, wherein the magnetic circuit system drives the vibration system to vibrate and produce sound; the vibrating diaphragm comprises a ball top for vibrating and sounding, and the framework is attached to one side of the ball top close to the magnetic circuit system; the top dome is used for vibrating and sounding and is of a conical or planar structure.
However, in the sound-generating device of the related art, the strength of the dome is insufficient, which results in a narrow frequency band of the sound-generating device and poor sound-generating effect.
Therefore, there is a need to provide a new sound generation device to solve the above technical problems.
[ Utility model ] content
An object of the utility model is to provide a sound production device with low costs and sound producing effect is better.
In order to achieve the above object, the present invention provides a sound generating device, which includes a frame, a vibration system supported on the frame, and a magnetic circuit system for driving the vibration system to vibrate and generate sound, wherein the vibration system is provided with a voice coil, the magnetic circuit system has a magnetic gap, the vibration system includes a vibrating diaphragm and a frame, the vibrating diaphragm includes a dome and a corrugated portion connected to the periphery of the dome, and the surface of the dome is wavy; one end of the framework is connected with the dome, the other end of the framework is connected with the voice coil, and the framework and the dome are of an integrally formed structure; the voice coil is inserted in the magnetic gap and fixedly connected with the framework, and the voice coil drives the framework to vibrate so as to drive the vibrating diaphragm to vibrate and sound.
Preferably, the dome is annular, the ring folding part comprises an annular first ring folding part and an annular second ring folding part, and the first ring folding part surrounds the second ring folding part and is spaced from the second ring folding part; the top dome is positioned between the first folding ring part and the second folding ring part, the outer side of the top dome is connected with the first folding ring part, and the inner side of the top dome is connected with the second folding ring part; the outer side of the first folding ring part and the inner side of the second folding ring part are fixed on the basin frame;
the framework comprises a framework body and an extension wall, the framework body extends from one end, close to the second flange part, of the top of the ball to the direction far away from the vibrating diaphragm, the extension wall extends from the framework body to the direction of the magnetic gap in a bending mode, the framework body surrounds the magnetic circuit system and is spaced from the magnetic circuit system, and the extension wall extends into the magnetic gap and is connected with the voice coil.
Preferably, the extension walls include four and are disposed at equal intervals from each other.
Preferably, the frame comprises a bottom wall, an outer wall bent and extended from the periphery of the bottom wall, and an inner wall bent and extended from the bottom wall, the outer wall is arranged around the inner wall and spaced from the inner wall, and the height of the inner wall along the vibration direction of the diaphragm is smaller than that of the outer wall;
the outer side of the first folded ring part is fixed on the outer wall, and the inner side of the second folded ring part is fixed on the inner wall;
the top of the ball is inclined and extends from the plane of the top end of the outer wall to the plane of the top end of the inner wall, so that the top of the ball is in a conical structure.
Preferably, the magnetic circuit system comprises a first magnetic bowl, a magnetic steel unit accommodated and fixed in the first magnetic bowl, and a abdicating groove which penetrates through the first magnetic bowl and is matched with the extension wall;
the inner wall is equipped with the opening that runs through it, the opening is followed the vibration direction extends, the diapire with the inner wall encloses into accommodation space jointly, first magnetism bowl install in the accommodation space, and make the groove of stepping down with the opening is just to setting up one by one, extend the wall and pass through in proper order the opening with the groove of stepping down extends to in the magnetic gap.
Preferably, the first magnetic bowl comprises a first magnetic bowl bottom wall which is supported and fixed in the accommodating space and a first magnetic bowl side wall which is bent and extended from the first magnetic bowl bottom wall to a direction close to the vibrating diaphragm, and the magnetic steel unit and the first magnetic bowl side wall form the magnetic gap together; the abdicating groove extends along the vibration direction and penetrates through the side wall of the first magnetic bowl.
Preferably, the magnetic circuit system further comprises a second magnetic bowl covered on the magnetic steel unit, and the second magnetic bowl is arranged opposite to the first magnetic bowl; the second magnetism bowl includes second magnetism bowl diapire and second magnetism bowl lateral wall, second magnetism bowl diapire with first magnetism bowl diapire interval is just to setting up, second magnetism bowl lateral wall by second magnetism bowl diapire is to being close to first magnetism bowl diapire direction is buckled and is extended and butt in first magnetism bowl lateral wall, the groove of stepping down also runs through second magnetism bowl lateral wall.
Preferably, the sounding device further comprises a front cover covering one side of the inner wall far away from the bottom wall, and the front cover presses the inner side of the second flange part to the top end of the inner wall.
Preferably, the vibration system further comprises an annular elastic supporting component, the outer side of the elastic supporting component is fixed on the outer wall, and the inner side of the elastic supporting component is fixed on one end, far away from the top, of the framework body.
Compared with the prior art, in the sounding device of the utility model, the surface of the top dome is wave-shaped, and the top dome and the framework are in an integrated structure, thus increasing the strength of the top dome and expanding the high frequency of the whole sounding device; the ball top and the framework are of an integrally formed structure, so that the number of parts and assembly procedures are reduced, the cost is saved, and the efficiency is higher.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of the sound device of the present invention;
fig. 2 is an exploded view of a part of the three-dimensional structure of the sound device of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
fig. 4 is a schematic three-dimensional structure view of the ball top and the skeleton of the sound production device of the present invention;
fig. 5 is a schematic view of fig. 4 from another view angle.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a sound generating device 100, which includes a frame 1, a vibration system 2 supported on the frame 1, a magnetic circuit system 3 for driving the vibration system 2 to vibrate and generate sound, and a front cover 4, wherein the magnetic circuit system 3 has a magnetic gap 30.
In this embodiment, the frame 1 includes a bottom wall 11, an outer wall 12 extending from the periphery of the bottom wall 11 in a bent manner, and an inner wall 13 extending from the bottom wall 11 in a bent manner, the outer wall 12 is disposed around the inner wall 13 and spaced from each other, and the height of the inner wall 13 along the vibration direction is smaller than the height of the outer wall 12; the inner wall 13 is provided with through openings 131 extending through it, the through openings 131 extending in the vibration direction of the vibration system 2.
The bottom wall 11 and the inner wall 13 together enclose an accommodating space 10.
The vibration system 2 includes a diaphragm 21, a bobbin 22, a voice coil 23, and an elastic support member 24.
The diaphragm 21 includes a dome 211 and a corrugated portion 212 connected to the periphery of the dome 211, and the surface of the dome 211 is wavy.
Specifically, the dome 211 is annular, the annular folded ring part 212 includes an annular first folded ring part 2121 and an annular second folded ring part 2122, and the first folded ring part 2121 surrounds the second folded ring part 2122 and is spaced from each other; the top 211 is located between the first collar part 2121 and the second collar part 2122, the outer side of the top 211 is connected to the first collar part 2121, and the inner side of the top 211 is connected to the second collar part 2122; the outer side of the first hinge part 2121 and the inner side of the second hinge part 2122 are fixed on the basin stand 1.
The outer side of the first hinge part 2121 is fixed to the outer wall 12, and the inner side of the second hinge part 2122 is fixed to the inner wall 13.
In this embodiment, the top 211 is annular, and the top 211 extends from the plane of the top of the outer wall 12 to the plane of the top of the inner wall 13 in an inclined manner, so that the top 211 is of a conical structure. The inclined arrangement of the dome 211 increases the area of the dome 211, i.e. the vibration area of the vibration system 2, so that the vibration effect is better, and the height of the sound generating device 100 is reduced.
Specifically, the bobbin 22 includes a bobbin body 221 extending from one end of the dome 211 close to the second collar portion 2122 toward a direction away from the diaphragm 21, and an extension wall 222 extending from the bobbin body 221 to the magnetic gap 30 in a bending manner, the bobbin body 221 is disposed around the magnetic circuit system 3 and spaced from each other, the extension wall 222 extends into the magnetic gap 30 and is connected to the voice coil 23, in this embodiment, the extension walls 222 include four and are disposed at equal intervals.
The voice coil 23 is inserted into the magnetic gap 30 and is fixedly connected with the extension wall 222 of the framework 22, and the voice coil 23 drives the framework 22 to vibrate so as to drive the diaphragm 21 to vibrate and generate sound.
The elastic support component 24 is annular, and the outer side of the elastic support component is fixed on the outer wall 12, and the inner side of the elastic support component is fixed on one end of the framework body 221 far away from the top 211.
The magnetic circuit system 3 comprises a first magnetic bowl 31 installed in the accommodating space 10, a magnetic steel unit 32 accommodated and fixed in the first magnetic bowl 31, a relief groove 33 penetrating through the first magnetic bowl 31 and matched with the extension wall 222, and a second magnetic bowl 34 covering the magnetic steel unit 32.
The first magnetic bowl 31 includes a first magnetic bowl bottom wall 311 supported and fixed in the accommodating space 10 and a first magnetic bowl side wall 312 bent and extended from the first magnetic bowl bottom wall 311 toward the direction close to the diaphragm 21, and the magnetic steel unit 32 and the first magnetic bowl side wall 312 together form the magnetic gap 30;
the receding groove 33 extends along the vibration direction and penetrates through the first magnetic bowl side wall 312, and is arranged opposite to the through holes 131 of the inner wall 13 one by one.
In this embodiment, the bobbin body 221 is disposed around the magnetic circuit system 3 at intervals, and the extension wall 222 sequentially extends into the magnetic gap 30 through the through hole 131 and the relief groove 33 and abuts against the outside of the voice coil 23.
The second magnetic bowl 34 is arranged opposite to the first magnetic bowl 31; the second magnetic bowl 34 comprises a second magnetic bowl bottom wall 341 and a second magnetic bowl side wall 342, the second magnetic bowl bottom wall 341 and the first magnetic bowl bottom wall 311 are arranged opposite to each other at intervals, the second magnetic bowl side wall 342 is formed by bending and extending the second magnetic bowl bottom wall 341 to be close to the first magnetic bowl bottom wall 311 and abutting against the first magnetic bowl side wall 312, and the abdicating groove 33 also penetrates through the second magnetic bowl side wall 342.
The front cover 4 covers the inner wall 13 far away from the bottom wall 11, the front cover 4 presses the inner side of the second collar part 2122 on the top end of the inner wall 13, and the sealing effect is better.
Compared with the prior art, in the sounding device of the utility model, the surface of the top dome is wave-shaped, and the top dome and the framework are in an integrated structure, thus increasing the strength of the top dome and expanding the high frequency of the whole sounding device; the ball top and the framework are of an integrally formed structure, so that the number of parts and assembly procedures are reduced, the cost is saved, and the efficiency is higher.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (9)
1. A sound production device comprises a basin frame, a vibration system supported on the basin frame and a magnetic circuit system for driving the vibration system to vibrate and produce sound, wherein the vibration system is provided with a voice coil, the magnetic circuit system is provided with a magnetic gap, the sound production device is characterized in that the vibration system comprises a vibration diaphragm and a framework, the vibration diaphragm comprises a ball top and a corrugated ring part connected with the periphery of the ball top, and the surface of the ball top is wavy; one end of the framework is connected with the dome, the other end of the framework is connected with the voice coil, and the framework and the dome are of an integrally formed structure; the voice coil is inserted in the magnetic gap and fixedly connected with the framework, and the voice coil drives the framework to vibrate so as to drive the vibrating diaphragm to vibrate and sound.
2. The sound production device of claim 1, wherein the dome is annular, and the collar portion comprises a first collar portion and a second collar portion, the first collar portion surrounding the second collar portion and spaced apart from each other; the top dome is positioned between the first folding ring part and the second folding ring part, the outer side of the top dome is connected with the first folding ring part, and the inner side of the top dome is connected with the second folding ring part; the outer side of the first folding ring part and the inner side of the second folding ring part are fixed on the basin frame;
the framework comprises a framework body and an extension wall, the framework body extends from one end, close to the second flange part, of the top of the ball to the direction far away from the vibrating diaphragm, the extension wall extends from the framework body to the direction of the magnetic gap in a bending mode, the framework body surrounds the magnetic circuit system and is spaced from the magnetic circuit system, and the extension wall extends into the magnetic gap and is connected with the voice coil.
3. The sounder device according to claim 2, wherein the extension walls comprise four and are equally spaced from one another.
4. The sounding device according to claim 2, wherein the frame comprises a bottom wall, an outer wall extending from the periphery of the bottom wall in a bending manner, and an inner wall extending from the bottom wall in a bending manner, the outer wall is arranged around the inner wall and spaced from the inner wall, and the height of the inner wall in the vibration direction of the diaphragm is smaller than that of the outer wall;
the outer side of the first folded ring part is fixed on the outer wall, and the inner side of the second folded ring part is fixed on the inner wall;
the top of the ball is inclined and extends from the plane of the top end of the outer wall to the plane of the top end of the inner wall, so that the top of the ball is in a conical structure.
5. The sounding device according to claim 4, wherein the magnetic circuit system comprises a first magnetic bowl, a magnetic steel unit accommodated and fixed in the first magnetic bowl, and a relief groove penetrating the first magnetic bowl and matching with the extension wall;
the inner wall is equipped with the opening that runs through it, the opening is followed the vibration direction extends, the diapire with the inner wall encloses into accommodation space jointly, first magnetism bowl install in the accommodation space, and make the groove of stepping down with the opening is just to setting up one by one, extend the wall and pass through in proper order the opening with the groove of stepping down extends to in the magnetic gap.
6. The sounding device according to claim 5, wherein the first magnetic bowl comprises a first magnetic bowl bottom wall supported and fixed in the accommodating space and a first magnetic bowl side wall bent and extended from the first magnetic bowl bottom wall to a direction close to the diaphragm, and the magnetic steel unit and the first magnetic bowl side wall together form the magnetic gap; the abdicating groove extends along the vibration direction and penetrates through the side wall of the first magnetic bowl.
7. The sounder device according to claim 6, wherein the magnetic circuit system further comprises a second magnetic bowl covered on the magnetic steel unit, and the second magnetic bowl is arranged opposite to the first magnetic bowl; the second magnetism bowl includes second magnetism bowl diapire and second magnetism bowl lateral wall, second magnetism bowl diapire with first magnetism bowl diapire interval is just to setting up, second magnetism bowl lateral wall by second magnetism bowl diapire is to being close to first magnetism bowl diapire direction is buckled and is extended and butt in first magnetism bowl lateral wall, the groove of stepping down also runs through second magnetism bowl lateral wall.
8. The sounding device according to claim 4, further comprising a front cover covering a side of the inner wall away from the bottom wall, wherein the front cover presses an inner side of the second flange portion against a top end of the inner wall.
9. The sounding device according to claim 4, wherein the vibration system further comprises an annular elastic support member, an outer side of the elastic support member is fixed to the outer wall, and an inner side of the elastic support member is fixed to an end of the skeleton body away from the top ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419622.9U CN211531290U (en) | 2019-12-25 | 2019-12-25 | Sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419622.9U CN211531290U (en) | 2019-12-25 | 2019-12-25 | Sound production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211531290U true CN211531290U (en) | 2020-09-18 |
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ID=72467390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922419622.9U Expired - Fee Related CN211531290U (en) | 2019-12-25 | 2019-12-25 | Sound production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211531290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126778A1 (en) * | 2020-12-17 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2019
- 2019-12-25 CN CN201922419622.9U patent/CN211531290U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126778A1 (en) * | 2020-12-17 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 Termination date: 20201225 |