CN211531285U - Sound production device - Google Patents
Sound production device Download PDFInfo
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- CN211531285U CN211531285U CN201922294760.9U CN201922294760U CN211531285U CN 211531285 U CN211531285 U CN 211531285U CN 201922294760 U CN201922294760 U CN 201922294760U CN 211531285 U CN211531285 U CN 211531285U
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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 magnetic circuit system is provided with a magnetic gap; the framework comprises a flat wall attached to one side of the vibration part close to the magnetic circuit system, an extension wall bent and extended from the flat wall to the direction far away from the vibrating diaphragm, and a reinforcing part bent and extended from the extension wall to the magnetic circuit system; the reinforcing part comprises an annular reinforcing frame extending from the extending wall to the magnetic circuit system and a reinforcing arm which is positioned in the reinforcing frame and two ends of which are connected with the reinforcing frame, and one side of the reinforcing frame, which is far away from the extending wall, extends into the magnetic gap; the voice coil is inserted in the magnetic gap and is fixedly connected with the reinforcing frame. Compared with the prior art, the utility model discloses a vocal device frequency band broad, the sound production effect is better.
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 of the related art comprises a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system is fixed on the basin frame respectively, the magnetic circuit system is provided with a magnetic gap, the magnetic circuit system drives the vibration system to vibrate and produce sound, the vibration system comprises a voice coil, a vibrating diaphragm and a framework, the voice coil is inserted into the magnetic gap, the vibrating diaphragm is fixed on the basin frame, and the framework is used for supporting the voice coil and the vibrating diaphragm.
However, in the sound generating device of the related art, the skeleton has no reinforcing rib structure, the strength is poor, and the frequency band of the sound generating device is narrow.
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 frequency band broad, sound production device that sound production effect is better.
In order to achieve the above object, the present invention provides a sound generating device,
it includes the basin frame, support in the vibration system of basin frame and drive the magnetic circuit of vibration system vibration sound production, magnetic circuit has the magnetic gap, vibration system includes:
the vibrating diaphragm comprises a vibrating part, a corrugated rim part bent and extended from the periphery of the vibrating part and a fixing part bent and extended from the corrugated rim part and fixed on the basin stand;
the framework comprises a flat plate wall attached to one side, close to the magnetic circuit system, of the vibration part, an extension wall bent and extended from the flat plate wall to the direction far away from the vibrating diaphragm, and a reinforcing part bent and extended from the extension wall to the direction of the magnetic circuit system; the reinforcing part comprises a reinforcing frame which extends from the extending wall to the direction of the magnetic circuit system and is of an annular structure, and a reinforcing arm which is positioned in the reinforcing frame and is connected with the reinforcing frame at two ends, wherein one side of the reinforcing frame, which is far away from the extending wall, extends into the magnetic gap; and the number of the first and second groups,
and the voice coil is fixedly connected with the reinforcing frame and inserted in the magnetic gap.
Preferably, the reinforcing frame is rectangular, the reinforcing arm comprises two opposite angles which are respectively connected with the reinforcing frame, and one side of the reinforcing frame, which is far away from the extending wall, is fixedly connected with the outer side of the voice coil.
Preferably, the reinforcing part further includes a protrusion extending from a side of the reinforcing frame close to the diaphragm to the direction of the voice coil, and the protrusion is fixedly connected with one end of the voice coil close to the diaphragm.
Preferably, one side of the reinforcing frame, which is close to the diaphragm, is flush with the flat plate wall, and one side of the reinforcing frame, which is far away from the diaphragm, is flush with one end of the extension wall, which is far away from the diaphragm.
Preferably, the reinforcing parts include four and are arranged at equal intervals.
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 reinforcing part;
the first magnetic bowl comprises a first magnetic bowl bottom wall which is supported and fixed on the basin frame and a first magnetic bowl side wall which is bent and extended from the first magnetic bowl bottom wall to the direction close to the vibrating diaphragm, and the magnetic steel unit is fixed on the first magnetic bowl bottom wall and is separated from the first magnetic bowl side wall to form the magnetic gap;
the abdicating groove penetrates through the side wall of the first magnetic bowl and extends along the vibration direction of the vibrating diaphragm;
the extension wall is annularly arranged on the outer side of the magnetic circuit system and arranged at intervals, and the reinforcing part passes through the abdicating groove and extends into the magnetic gap.
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 each other, the inner wall is provided with through holes penetrating through the inner wall, the through holes extend along the vibration direction, and the fixing part of the vibrating diaphragm is fixed on the outer wall;
the bottom wall and the inner wall jointly enclose an accommodating space, at least part of the magnetic circuit system is positioned in the accommodating space, and the abdicating grooves and the through holes are arranged in a one-to-one opposite mode;
the extension wall ring is located inner wall outside and interval set up, the rib passes through in proper order the opening with the groove of stepping down extends to in the magnetic gap.
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, the groove of stepping down also runs through second magnetism bowl lateral wall.
Preferably, the fixing portion of the diaphragm includes a first fixing portion and a second fixing portion; the first fixing part is annular and fixed on the outer wall, and the second fixing part is annular and fixed on the inner wall;
the folded ring part comprises a first folded ring part in an annular shape and a second folded ring part in an annular shape, and the first folded ring parts surround the second folded ring part and are spaced from each other; one side, far away from the second flange part, of the first flange part is connected with the first fixing part, and one side, far away from the first flange part, of the second flange part is connected with the second fixing part;
the vibrating part is annular, the vibrating part is positioned between the first flange part and the second flange part, the outer side of the vibrating part is connected with the first flange part, and the inner side of the vibrating part is connected with the second flange part;
the flat plate wall is attached to one side of the vibration part close to the magnetic circuit system.
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 second fixing part on the top end of the inner wall.
Compared with the prior art, in the sound production device of the present invention, the skeleton includes a flat wall attached to one side of the vibration part close to the magnetic circuit system, an extension wall bent and extended from the flat wall in a direction away from the diaphragm, and a reinforcement part bent and extended from the extension wall in a direction toward the magnetic circuit system; the reinforcing part comprises a reinforcing frame which extends from the extending wall to the direction of the magnetic circuit system and is of an annular structure, and a reinforcing arm which is positioned in the reinforcing frame and two ends of which are connected with the reinforcing frame; the voice coil is inserted in the magnetic gap and fixedly connected with the reinforcing frame, and drives the reinforcing part to vibrate so as to drive the flat wall to vibrate, so that the vibrating part is driven to vibrate and sound. The frame reinforcing part is arranged to increase the strength of the whole frame, so that the strength of the whole vibration system is increased, the high frequency of the sound production device is expanded, and the sound production effect is better.
[ 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 view of the three-dimensional structure of the sound device skeleton of the present invention.
[ 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. 1-4, 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.
Basin frame 1 includes diapire 11, by diapire 11 periphery is buckled the outer wall 12 that extends and is by diapire 11 is buckled the inner wall 13 that extends, outer wall 12 encircles inner wall 13 sets up and separates each other, inner wall 13 is equipped with the opening 131 that runs through on it, opening 131 is followed the vibration direction extends, diapire 11 with inner wall 13 encloses into accommodation space 10 jointly.
The vibration system 2 includes a diaphragm 21, a bobbin 22, a voice coil 23, and an elastic support member 24.
The vibrating diaphragm 21 includes a vibrating portion 211, a bent portion 212 bent and extended from a periphery of the vibrating portion 211, and a fixing portion 213 bent and extended from the bent portion 212 and fixed to the frame 1.
The fixing portion 213 includes a first fixing portion 2131 and a second fixing portion 2132; the first fixing portion 2131 is annular and fixed to the outer wall 12, and the second fixing portion 2132 is annular and fixed to the inner wall 13.
The hinge part 212 includes a first hinge part 2121 and a second hinge part 2122, wherein the first hinge part 2121 surrounds the second hinge part 2122 and is spaced from the second hinge part 2122; the first hinge portion 2121 is connected to the first fixing portion 2131 at a side away from the second hinge portion 2122, and the second hinge portion 2122 is connected to the second fixing portion 2132 at a side away from the first hinge portion 2121.
The vibration portion 211 is annular, the vibration portion 211 is located between the first collar portion 2121 and the second collar portion 2122, the outer side of the vibration portion 211 is connected to the first collar portion 2121, and the inner side of the vibration portion 211 is connected to the second collar portion 2122.
The framework 22 comprises a flat wall 221 attached to the side of the vibration part 211 close to the magnetic circuit system 3, an extension wall 222 bent and extended from the flat wall 221 in a direction away from the diaphragm 21, and a reinforcing part 223 bent and extended from the extension wall 222 in the direction of the magnetic circuit system 3;
in this embodiment, the reinforcing portions 223 include four reinforcing portions and are disposed at equal intervals. The reinforcing portion 223 includes a reinforcing frame 2231 having a ring-shaped structure extending from the extending wall 222 toward the magnetic circuit system 3, a reinforcing arm 2232 located in the reinforcing frame 2231 and having both ends connected to the reinforcing frame 2231, and a protrusion 2233 extending from a side of the reinforcing frame 2231 close to the diaphragm 21 toward the voice coil 23. The reinforcing frame 2231 is rectangular and a side of the reinforcing frame 2231 remote from the extension wall 222 extends into the magnetic gap 30; the reinforcement arm 2232 includes two sets of opposite corners connected to the reinforcement frame 2231. The side of the reinforcing frame 2231 close to the diaphragm 21 is flush with the flat plate wall 221, and the side of the reinforcing frame 2231 away from the diaphragm 21 is flush with the end of the extension wall 222 away from the diaphragm 21. The configuration of the stiffening arm 2232 increases the strength of the entire frame 22, and thus the vibration system 2, and extends the high frequency of the sound device 100.
The voice coil 23 is fixedly connected with the reinforcing frame 2231 and is inserted into the magnetic gap 30 through the reinforcing frame 2231; specifically, one side of the reinforcing frame 2231 away from the extending wall 222 is fixedly connected to the outer side of the voice coil 23, and the protrusion 2233 is fixedly connected to one end of the voice coil 23 close to the diaphragm 21; the voice coil 23 drives the reinforcing portion 223 to vibrate to drive the flat plate wall 221 to vibrate, so as to drive the vibrating portion 211 to vibrate and generate sound. That is, the protrusion 2233 and the reinforcing frame 2231 are in contact with the voice coil 23, so that the contact area between the reinforcing portion 223 and the voice coil 23 is increased, and the larger the area for driving the reinforcing portion 223 to vibrate is, which results in better reliability.
The elastic supporting component 24 is disposed around the inner wall 13, and one side of the elastic supporting component 24 is fixed to the outer wall 12, and the other side is fixed to an end of the reinforcing frame 2231 away from the flat wall 221. Specifically, the elastic supporting component 24 includes an elastic member 241 and an auxiliary diaphragm 242 attached to a side of the elastic member 241 away from the diaphragm 21.
The magnetic circuit system 3 is at least partially located in the accommodating space 10, and includes a first magnetic bowl 31, a magnetic steel unit 32 accommodated and fixed in the first magnetic bowl 31, a yielding groove 33 penetrating through the first magnetic bowl 31 and matching with the reinforcing part 223, and a second magnetic bowl 34 covering the magnetic steel unit 32.
The first magnetic bowl 31 comprises a first magnetic bowl bottom wall 311 fixed on the frame 1 in a supporting manner and a first magnetic bowl side wall 312 extending from the first magnetic bowl bottom wall 311 toward the direction close to the vibrating diaphragm 21 in a bending manner, and the magnetic steel unit 32 is fixed on the first magnetic bowl bottom wall 311 and forms the magnetic gap 30 together with the first magnetic bowl side wall 312.
The receding groove 33 penetrates through the first magnetic bowl side wall 312 and extends along the vibration direction;
the extending wall 222 is disposed around the outer side of the magnetic circuit system 3 at intervals, and the reinforcing portion 223 extends into the magnetic gap 30 through the receding groove 33.
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 towards the first magnetic bowl bottom wall 311, and the abdicating groove 33 also penetrates through the second magnetic bowl side wall 342.
In this embodiment, the receding grooves 33 are arranged opposite to the through holes 131 of the inner wall 13 one by one; the extension wall 222 is annularly arranged on the outer side of the inner wall 13 and is arranged at intervals, and the reinforcing part 223 sequentially passes through the through opening 131 and the abdicating groove 33 and extends into the magnetic gap 30.
The front cover 4 covers the inner wall 13 and is far away from the bottom wall 11, and the front cover 4 presses the second fixing portion 2132 to the top end of the inner wall 13, so that the sealing effect is good.
Compared with the prior art, in the sound production device of the present invention, the skeleton includes a flat wall attached to one side of the vibration part close to the magnetic circuit system, an extension wall bent and extended from the flat wall in a direction away from the diaphragm, and a reinforcement part bent and extended from the extension wall in a direction toward the magnetic circuit system; the reinforcing part comprises a reinforcing frame which extends from the extending wall to the direction of the magnetic circuit system and is of an annular structure, and a reinforcing arm which is positioned in the reinforcing frame and two ends of which are connected with the reinforcing frame; the voice coil is inserted in the magnetic gap and fixedly connected with the reinforcing frame, and drives the reinforcing part to vibrate so as to drive the flat wall to vibrate, so that the vibrating part is driven to vibrate and sound. The frame reinforcing part is arranged to increase the strength of the whole frame, so that the strength of the whole vibration system is increased, the high frequency of the sound production device is expanded, and the sound production effect is better.
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 (10)
1. A sounder which comprises a frame, a vibration system supported on the frame, and a magnetic circuit system for driving the vibration system to vibrate and sound, wherein the magnetic circuit system has a magnetic gap, the vibration system comprises:
the vibrating diaphragm comprises a vibrating part, a corrugated rim part bent and extended from the periphery of the vibrating part and a fixing part bent and extended from the corrugated rim part and fixed on the basin stand;
the framework comprises a flat plate wall attached to one side, close to the magnetic circuit system, of the vibration part, an extension wall bent and extended from the flat plate wall to the direction far away from the vibrating diaphragm, and a reinforcing part bent and extended from the extension wall to the direction of the magnetic circuit system; the reinforcing part comprises a reinforcing frame which extends from the extending wall to the direction of the magnetic circuit system and is of an annular structure, and a reinforcing arm which is positioned in the reinforcing frame and is connected with the reinforcing frame at two ends, wherein one side of the reinforcing frame, which is far away from the extending wall, extends into the magnetic gap; and the number of the first and second groups,
and the voice coil is fixedly connected with the reinforcing frame and inserted in the magnetic gap.
2. The sounding device according to claim 1, wherein the reinforcing frame is rectangular, the reinforcing arm comprises two opposite corners connected to the reinforcing frame, and the side of the reinforcing frame away from the extending wall is fixedly connected to the outer side of the voice coil.
3. The sounding device according to claim 2, wherein the reinforcing portion further comprises a protrusion extending from a side of the reinforcing frame adjacent to the diaphragm toward the voice coil, and the protrusion is fixedly connected to an end of the voice coil adjacent to the diaphragm.
4. The sounding device according to claim 3, wherein a side of the reinforcing frame adjacent to the diaphragm is flush with the plate wall, and a side of the reinforcing frame away from the diaphragm is flush with an end of the extension wall away from the diaphragm.
5. The sounder device according to claim 1, wherein the reinforcement portions comprise four and are equally spaced from one another.
6. The sounding device according to claim 1, 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 reinforcement part;
the first magnetic bowl comprises a first magnetic bowl bottom wall which is supported and fixed on the basin frame and a first magnetic bowl side wall which is bent and extended from the first magnetic bowl bottom wall to the direction close to the vibrating diaphragm, and the magnetic steel unit is fixed on the first magnetic bowl bottom wall and is separated from the first magnetic bowl side wall to form the magnetic gap;
the abdicating groove penetrates through the side wall of the first magnetic bowl and extends along the vibration direction of the vibrating diaphragm;
the extension wall is annularly arranged on the outer side of the magnetic circuit system and arranged at intervals, and the reinforcing part passes through the abdicating groove and extends into the magnetic gap.
7. The sounding device according to claim 6, wherein the frame comprises a bottom wall, an outer wall extending from the periphery of the bottom wall in a bent manner, and an inner wall extending from the bottom wall in a bent manner, the outer wall is disposed around the inner wall in a spaced manner, the inner wall is provided with through holes penetrating through the inner wall, the through holes extend along the vibration direction, and the fixing portion of the diaphragm is fixed on the outer wall;
the bottom wall and the inner wall jointly enclose an accommodating space, at least part of the magnetic circuit system is positioned in the accommodating space, and the abdicating grooves and the through holes are arranged in a one-to-one opposite mode;
the extension wall ring is located inner wall outside and interval set up, the rib passes through in proper order the opening with the groove of stepping down extends to in the magnetic gap.
8. 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, the groove of stepping down also runs through second magnetism bowl lateral wall.
9. The sounding device according to claim 7, wherein the fixing portion of the diaphragm comprises a first fixing portion and a second fixing portion; the first fixing part is annular and fixed on the outer wall, and the second fixing part is annular and fixed on the inner wall;
the folded ring part comprises a first folded ring part in an annular shape and a second folded ring part in an annular shape, and the first folded ring parts surround the second folded ring part and are spaced from each other; one side, far away from the second flange part, of the first flange part is connected with the first fixing part, and one side, far away from the first flange part, of the second flange part is connected with the second fixing part;
the vibrating part is annular, the vibrating part is positioned between the first flange part and the second flange part, the outer side of the vibrating part is connected with the first flange part, and the inner side of the vibrating part is connected with the second flange part;
the flat plate wall is attached to one side of the vibration part close to the magnetic circuit system.
10. The sounder device according to claim 9, further comprising a front cover covering a side of the inner wall remote from the bottom wall, wherein the front cover presses the second fixing portion against a top end of the inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294760.9U CN211531285U (en) | 2019-12-17 | 2019-12-17 | Sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294760.9U CN211531285U (en) | 2019-12-17 | 2019-12-17 | Sound production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211531285U true CN211531285U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922294760.9U Active CN211531285U (en) | 2019-12-17 | 2019-12-17 | Sound production device |
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| Country | Link |
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| CN (1) | CN211531285U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165676A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production monomer and speaker |
| WO2022110367A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| CN114630249A (en) * | 2022-04-26 | 2022-06-14 | 歌尔股份有限公司 | Sound production module and electronic equipment |
-
2019
- 2019-12-17 CN CN201922294760.9U patent/CN211531285U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165676A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production monomer and speaker |
| WO2022082854A1 (en) * | 2020-10-22 | 2022-04-28 | 瑞声声学科技(深圳)有限公司 | Sound production unit and loudspeaker |
| WO2022110367A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| CN114630249A (en) * | 2022-04-26 | 2022-06-14 | 歌尔股份有限公司 | Sound production module and electronic equipment |
| CN114630249B (en) * | 2022-04-26 | 2024-04-30 | 歌尔股份有限公司 | Sounding module and electronic equipment |
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