CN211531298U - Sound production device - Google Patents
Sound production device Download PDFInfo
- Publication number
- CN211531298U CN211531298U CN201922487981.8U CN201922487981U CN211531298U CN 211531298 U CN211531298 U CN 211531298U CN 201922487981 U CN201922487981 U CN 201922487981U CN 211531298 U CN211531298 U CN 211531298U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- wall
- fixed
- bottom wall
- vibrating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
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 folding ring comprises a vibrating part fixed on the top of the ball, a ring-shaped folding ring part bent and extended from the periphery of the vibrating part, and a fixing part bent and extended from one side of the folding ring part far away from the vibrating part and fixed on the basin stand; the bending and protruding part of the bending ring part is in an arc shape along the vibration direction vertical to the vibrating diaphragm. Compared with the prior art, the utility model discloses a sound loudness of sound production device is big.
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 and a magnetic circuit system, wherein the vibration system is respectively fixed on the basin frame, the magnetic circuit system is provided with a magnetic gap, the magnetic circuit system drives the vibration system to vibrate and produce sound, and the vibration system comprises a voice coil and a vibrating diaphragm, the voice coil is inserted into the magnetic gap, and the vibrating diaphragm is fixed on the basin frame; the vibrating diaphragm comprises a vibrating part, a corrugated ring part and a fixing part, wherein the corrugated ring part is bent and extended at the periphery of the vibrating part, and the fixing part is bent, extended and fixed on the basin stand.
However, in the sound-generating device of the related art, the diaphragm is entirely located in the same plane, and the area of the vibration portion is small, resulting in a small effective vibration area (SD), thereby limiting the loudness of the sound-generating device.
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 that sound loudness is big.
In order to achieve the above object, the present invention provides a sound generating device, which comprises 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 magnetic circuit system has a magnetic gap, the vibration system comprises a vibrating diaphragm and a voice coil assembly inserted into the magnetic gap and fixed on the vibrating diaphragm,
the vibrating diaphragm comprises a ball top and a folding ring fixed on one side of the ball top close to the magnetic circuit system, and the folding ring is arranged around the voice coil assembly; the folded ring comprises a vibrating part fixed on the top of the ball, an annular folded ring part bent and extended from the periphery of the vibrating part, and a fixing part bent and extended from one side of the folded ring part far away from the vibrating part and fixed on the basin stand; the bending and protruding part of the bending ring part is in an arc shape along the direction perpendicular to the vibration direction of the vibrating diaphragm.
Preferably, the bending portion is bent and protruded toward the voice coil assembly along a direction perpendicular to the vibration direction of the diaphragm.
Preferably, the bending ring part completely falls into the dome along the forward projection of the vibrating diaphragm to the dome.
Preferably, the vibrating part is provided with an opening penetrating through the vibrating part, and the top of the ball covers the opening; one end of the voice coil assembly, which is close to the vibrating diaphragm, is connected with the ball top to drive the vibrating diaphragm to vibrate and sound.
Preferably, the voice coil assembly comprises a framework fixed on one side of the ball top close to the magnetic circuit system and a voice coil wound on the framework, and the voice coil is at least partially inserted into the magnetic gap.
Preferably, the frame includes a bottom wall, an outer wall extending from the periphery of the bottom wall away from the magnetic circuit system to the diaphragm in a bending manner, an inner wall extending from the periphery of the bottom wall close to the magnetic circuit system to the diaphragm in a bending manner, and an auxiliary bottom wall formed by extending from the outer wall in a bending manner to the magnetic circuit system and arranged in parallel with the bottom wall, and the outer walls are arranged around the inner wall and spaced from each other; the inner wall is surrounded to form an accommodating space, and at least part of the magnetic circuit system is positioned in the accommodating space; the fixing part is fixed on the auxiliary bottom wall, and the folding ring and the outer wall are arranged at intervals.
Preferably, the outer wall is provided with a through hole therethrough.
Preferably, the magnetic circuit system comprises a magnetic bowl fixed on the basin frame and a magnetic steel unit accommodated and fixed in the magnetic bowl;
the magnetic bowl comprises a magnetic bowl bottom wall and a magnetic bowl side wall, wherein the magnetic bowl bottom wall is fixedly supported on the basin frame, the periphery of the magnetic bowl bottom wall is close to the magnetic bowl side wall, the vibrating diaphragm direction of the magnetic bowl side wall is bent and extended, and the magnetic steel unit is fixedly arranged on the magnetic bowl bottom wall and is separated from the magnetic bowl side wall to form the magnetic gap.
Preferably, the magnetic steel unit comprises a first magnetic steel fixed on the bottom wall of the magnetic bowl, a pole core stacked on the first magnetic steel, and a second magnetic steel stacked on one side of the first magnetic steel and far away from the pole core.
Compared with the prior art, in the sound production device of the utility model, the vibrating diaphragm comprises a ball top and a folding ring fixed on one side of the ball top close to the magnetic circuit system, and the folding ring is arranged around the voice coil assembly; the folded ring comprises a vibrating part fixed on the top of the ball, an annular folded ring part bent and extended from the periphery of the vibrating part, and a fixing part bent and extended from one side of the folded ring part far away from the vibrating part and fixed on the basin stand; the bending and protruding part of the bending ring part is in an arc shape along the direction perpendicular to the vibration direction of the vibrating diaphragm. The folding ring structure is arranged on one side, close to the magnetic circuit system, of the ball top and is arranged around the voice coil assembly, so that the space of the whole sounding device can be effectively utilized; the area of the top of the ball is maximized, namely the effective vibration area (SD) of the sounding device is increased, so that the loudness of the sounding device is improved. And the corrugated rim arranged on one side of the ball top close to the magnetic circuit system can also push air to further improve the loudness when vibrating.
[ 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 diaphragm 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, and a magnetic circuit system 3 for driving the vibration system 2 to vibrate and generate sound, wherein the magnetic circuit system 3 has a magnetic gap 30. The vibration system 2 includes a diaphragm 21 and a voice coil assembly 22 inserted into the magnetic gap 30 and fixed to the diaphragm 21.
The frame 1 comprises a bottom wall 11, an outer wall 12 which is bent and extended from the periphery of the bottom wall 11 far away from the magnetic circuit system 3 to the diaphragm 21, an inner wall 13 which is bent and extended from the periphery of the bottom wall 11 near the magnetic circuit system 3 to the diaphragm 21, and an auxiliary bottom wall 14 which is bent and extended from the outer wall 12 to the magnetic circuit system 3 and is arranged in parallel with the bottom wall 11, wherein the outer wall 12 is arranged around the inner wall 13 and is spaced from the inner wall 13, and the inner wall 13 encloses a containing space 10; the outer wall 12 is provided with a through hole 120 penetrating through the outer wall, and the through hole 120 communicates the inside and the outside of the sound generating device 100, so as to improve the leakage of the sound generating device 100 and balance the air pressure inside and outside.
The diaphragm 21 comprises a spherical top 211 and a corrugated rim 212 fixed on one side of the spherical top 211 close to the magnetic circuit system 3, and the corrugated rim 212 is arranged around the voice coil assembly 22; the edge 212 includes a vibration portion 2121 fixed to the dome 211, an annular edge 2122 bent and extended from the periphery of the vibration portion 2121, and a fixing portion 2123 bent and extended from a side of the edge 2122 away from the vibration portion 2121 and fixed to the frame 1, wherein the edge 2122 is bent and protruded in an arc shape in a direction perpendicular to the vibration direction of the diaphragm 21. In this embodiment, the forward projection of the corrugated portion 2122 to the spherical top 211 along the vibration direction of the vibrating diaphragm 21 completely falls into the spherical top 211; the edge portion 2122 is curved and protruded toward the voice coil assembly 22 in a direction perpendicular to the vibration direction of the diaphragm 21.
The structural arrangement of the corrugated portion 212 as described above effectively utilizes the space of the sounding device 100, so that the vibration area of the vibration system 2 is maximized, thereby improving the loudness of the sounding device.
In this embodiment, the vibrating portion 2121 is provided with an opening 21210 penetrating through the vibrating portion, and the dome 211 covers the opening 21210; one end of the voice coil assembly 22 close to the diaphragm 21 is connected with the ball top 211 to drive the diaphragm 21 to vibrate and generate sound.
Specifically, the fixing portion 2123 is fixed to the secondary bottom wall 14, and the folding ring 212 is spaced from the outer wall 12. The corrugated rim 212 is spaced from the outer wall 12, so that when the diaphragm 21 vibrates, air between the corrugated rim 212 and the outer wall 12 is pushed along with the corrugated rim, and the loudness of the sounding device 100 is further increased.
The voice coil assembly 22 is inserted in the magnetic gap 30 and connected with the ball top 211 to drive the diaphragm 21 to vibrate and generate sound.
Specifically, the voice coil assembly 22 includes a bobbin 221 fixed to the dome 211 on a side close to the magnetic circuit system 3, and a voice coil 222 wound around the bobbin 221, and the voice coil 222 is at least partially inserted into the magnetic gap 30.
The magnetic circuit system 3 is at least partially located in the accommodating space 10, and includes a magnetic bowl 31 fixed to the frame 1 and a magnetic steel unit 32 accommodated and fixed in the magnetic bowl 31.
The magnetic bowl 31 comprises a magnetic bowl bottom wall 311 fixed on the basin frame 1 in a supporting mode and a magnetic bowl side wall 312 extending in a bending mode from the magnetic bowl bottom wall 311 to the direction close to the vibrating diaphragm 21, and the magnetic steel unit 32 is fixed on the magnetic bowl bottom wall 311 and forms the magnetic gap 30 with the magnetic bowl side wall 312 at an interval.
The magnetic steel unit 32 comprises a first magnetic steel 321 fixed on the bottom wall 311 of the magnetic bowl, a pole core 322 stacked on the first magnetic steel 321, and a second magnetic steel 323 stacked on one side of the first magnetic steel 321 and far away from the pole core 322.
Compared with the prior art, in the sound production device of the utility model, the vibrating diaphragm comprises a ball top and a folding ring fixed on one side of the ball top close to the magnetic circuit system, and the folding ring is arranged around the voice coil assembly; the folded ring comprises a vibrating part fixed on the top of the ball, an annular folded ring part bent and extended from the periphery of the vibrating part, and a fixing part bent and extended from one side of the folded ring part far away from the vibrating part and fixed on the basin stand; the bending and protruding part of the bending ring part is in an arc shape along the direction perpendicular to the vibration direction of the vibrating diaphragm. The folding ring structure is arranged on one side, close to the magnetic circuit system, of the ball top and is arranged around the voice coil assembly, so that the space of the whole sounding device can be effectively utilized; the area of the top of the ball is maximized, namely the effective vibration area (SD) of the sounding device is increased, so that the loudness of the sounding device is improved. And the corrugated rim arranged on one side of the ball top close to the magnetic circuit system can also push air to further improve the loudness when vibrating.
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 magnetic circuit system is provided with a magnetic gap, the vibration system comprises a vibrating diaphragm and a voice coil assembly which is inserted into the magnetic gap and fixed on the vibrating diaphragm,
the voice coil component is characterized in that the vibrating diaphragm comprises a ball top and a folding ring fixed on one side of the ball top close to the magnetic circuit system, and the folding ring is arranged around the voice coil component; the folded ring comprises a vibrating part fixed on the top of the ball, an annular folded ring part bent and extended from the periphery of the vibrating part, and a fixing part bent and extended from one side of the folded ring part far away from the vibrating part and fixed on the basin stand; the bending and protruding part of the bending ring part is in an arc shape along the direction perpendicular to the vibration direction of the vibrating diaphragm.
2. The sounding device according to claim 1, wherein the flexure portion is curved and convex toward the voice coil assembly along a direction perpendicular to the vibration direction of the diaphragm.
3. The sounding device according to claim 2, wherein the baffle portion falls completely into the dome in an orthographic projection of the baffle portion to the dome along the vibration direction of the diaphragm.
4. The sounder device according to claim 1, wherein the vibrating portion is provided with an opening therethrough, the dome covering the opening; one end of the voice coil assembly, which is close to the vibrating diaphragm, is connected with the ball top to drive the vibrating diaphragm to vibrate and sound.
5. The sounding device as claimed in claim 4, wherein the voice coil assembly comprises a bobbin fixed to the dome on a side thereof adjacent to the magnetic circuit system, and a voice coil wound around the bobbin and at least partially inserted into the magnetic gap.
6. The sounding device according to claim 1, wherein the frame comprises a bottom wall, an outer wall extending from a periphery of the bottom wall away from the magnetic circuit to the diaphragm in a bending manner, an inner wall extending from a periphery of the bottom wall close to the magnetic circuit to the diaphragm in a bending manner, and a secondary bottom wall formed by extending from the outer wall in a bending manner towards the magnetic circuit and arranged in parallel with the bottom wall, wherein the outer wall is arranged around the inner wall and spaced from the inner wall; the inner wall is surrounded to form an accommodating space, and at least part of the magnetic circuit system is positioned in the accommodating space; the fixing part is fixed on the auxiliary bottom wall, and the folding ring and the outer wall are arranged at intervals.
7. The sounder device according to claim 6, wherein the outer wall is provided with a through hole therethrough.
8. The sounding device according to claim 1, wherein the magnetic circuit system comprises a magnetic bowl fixed on the basin frame and a magnetic steel unit accommodated and fixed in the magnetic bowl;
the magnetic bowl comprises a magnetic bowl bottom wall and a magnetic bowl side wall, wherein the magnetic bowl bottom wall is fixedly supported on the basin frame, the periphery of the magnetic bowl bottom wall is close to the magnetic bowl side wall, the vibrating diaphragm direction of the magnetic bowl side wall is bent and extended, and the magnetic steel unit is fixedly arranged on the magnetic bowl bottom wall and is separated from the magnetic bowl side wall to form the magnetic gap.
9. The sounding device according to claim 8, wherein the magnetic steel unit comprises a first magnetic steel fixed on the bottom wall of the magnetic bowl, a pole core stacked on the first magnetic steel, and a second magnetic steel stacked on one side of the pole core far away from the first magnetic steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487981.8U CN211531298U (en) | 2019-12-30 | 2019-12-30 | Sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487981.8U CN211531298U (en) | 2019-12-30 | 2019-12-30 | Sound production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211531298U true CN211531298U (en) | 2020-09-18 |
Family
ID=72468302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922487981.8U Expired - Fee Related CN211531298U (en) | 2019-12-30 | 2019-12-30 | Sound production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211531298U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261551A (en) * | 2020-09-30 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN114257930A (en) * | 2021-11-30 | 2022-03-29 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| WO2022062008A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Sound production unit and speaker box |
| CN117082418A (en) * | 2023-10-16 | 2023-11-17 | 瑞声光电科技(常州)有限公司 | Sounding device |
-
2019
- 2019-12-30 CN CN201922487981.8U patent/CN211531298U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062008A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Sound production unit and speaker box |
| CN112261551A (en) * | 2020-09-30 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN112261551B (en) * | 2020-09-30 | 2021-06-11 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN114257930A (en) * | 2021-11-30 | 2022-03-29 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114257930B (en) * | 2021-11-30 | 2023-11-07 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
| CN117082418A (en) * | 2023-10-16 | 2023-11-17 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN117082418B (en) * | 2023-10-16 | 2024-02-20 | 瑞声光电科技(常州)有限公司 | Sounding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211531298U (en) | Sound production device | |
| CN110891230B (en) | Sound production device | |
| CN111065025B (en) | Sound production device | |
| CN211531297U (en) | Sound production device | |
| CN211959524U (en) | Sound production device | |
| CN214101774U (en) | Sound production device | |
| CN211531293U (en) | Sound production device | |
| CN211959522U (en) | Sound production device | |
| CN215300909U (en) | Sound production device | |
| CN211531288U (en) | Sound production device | |
| CN211531285U (en) | Sound production device | |
| CN111263281A (en) | Sound production device | |
| CN111405427B (en) | Sound production device | |
| WO2024000693A1 (en) | Coaxial loudspeaker | |
| CN117395573A (en) | Sounding device | |
| WO2024000686A1 (en) | Coaxial speaker | |
| CN216134592U (en) | Sound production device | |
| CN211959521U (en) | Sound production device | |
| CN111405421B (en) | Sound production device | |
| CN111405424B (en) | Sound production device | |
| CN211531290U (en) | Sound production device | |
| CN218473385U (en) | Coaxial loudspeaker | |
| CN214177552U (en) | Sound production device | |
| WO2021134186A1 (en) | Sound production device | |
| WO2021128009A1 (en) | Sound production device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 Termination date: 20201230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |