CN211959532U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN211959532U CN211959532U CN201922420624.XU CN201922420624U CN211959532U CN 211959532 U CN211959532 U CN 211959532U CN 201922420624 U CN201922420624 U CN 201922420624U CN 211959532 U CN211959532 U CN 211959532U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- voice coil
- diaphragm
- loudspeaker
- vibration
- 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 loudspeaker, which comprises a basin frame with an accommodating space, a vibration system, a magnetic circuit system and an interlayer which are accommodated in the accommodating space, wherein the interlayer is fixed on the basin frame; the vibration system comprises a vibrating diaphragm and a voice coil for driving the vibrating diaphragm to vibrate; the magnetic circuit system comprises a magnetic bowl and a magnetic steel assembly which is assembled in the magnetic bowl and provided with a magnetic gap, the voice coil is inserted in the magnetic gap, the vibrating diaphragm is fixed on the basin frame and divides the containing space into a front cavity and a rear cavity, the vibrating system and the magnetic circuit system are both arranged in the front cavity, and the interlayer is arranged in the rear cavity; the magnetic bowl is arranged in the direction of the magnetic steel component far away from the rear cavity, and at least one sound outlet for communicating the front cavity with the outside is formed in the magnetic bowl and the magnetic steel component. The utility model provides a speaker can directly give off the produced heat of voice coil loudspeaker voice coil to the outside by the phonate hole, and other structures of no longer passing through the speaker during, effectively solve the heat dissipation problem of voice coil loudspeaker voice coil vibration in-process, improve the radiating effect.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an acoustic-electric energy converter especially relates to a loudspeaker.
[ background of the invention ]
The assembled speaker usually includes two front and back sound cavities, the front cavity is the accommodating space between the vibrating diaphragm and the sound outlet, and the accommodating space on the other side of the vibrating diaphragm is the back cavity. The sound production principle of the loudspeaker is as follows: high frequency current passes through magnetic circuit's voice coil loudspeaker voice coil and produces magnetic field, drives the voice coil loudspeaker voice coil vibration to drive the vibrating diaphragm vibration, the rethread goes out the sound hole and transmits away sound.
Usually, the structure of speaker for using the pronounce of ante-chamber, and vibration system's position keeps away from the back chamber, and magnetic circuit's position is close to the back chamber, and when high frequency current passed through the voice coil loudspeaker voice coil and produced magnetic field, vibration system's voice coil loudspeaker voice coil vibration produced heat can only distribute away through the vibrating diaphragm, can not reach better radiating effect.
Therefore, it is necessary to provide a speaker structure with improved heat dissipation.
[ Utility model ] content
An object of the utility model is to provide a loudspeaker to solve among the current speaker structure vibrating diaphragm and hindered the heat dissipation way of voice coil loudspeaker voice coil, make the temperature of voice coil loudspeaker voice coil be difficult to the problem that reduces.
The technical scheme of the utility model as follows: a loudspeaker comprises a basin frame with an accommodating space, a vibration system, a magnetic circuit system and an interlayer, wherein the vibration system, the magnetic circuit system and the interlayer are accommodated in the accommodating space, and the interlayer is fixed on the basin frame; the vibration system comprises a vibrating diaphragm and a voice coil for driving the vibrating diaphragm to vibrate; the magnetic circuit system comprises a magnetic bowl and a magnetic steel assembly which is assembled in the magnetic bowl and provided with a magnetic gap, the voice coil is inserted in the magnetic gap, the magnetic steel assembly comprises a main magnetic steel arranged in the middle and an auxiliary magnetic steel which is arranged around the main magnetic steel and forms the magnetic gap with the main magnetic steel, the vibrating diaphragm is fixed on the basin frame and divides the accommodating space into a front cavity and a rear cavity, the vibrating system and the magnetic circuit system are both arranged in the front cavity, and the interlayer is arranged in the rear cavity;
the magnetic bowl is arranged in the direction of the magnetic steel component far away from the rear cavity, and at least one sound outlet hole for communicating the front cavity with the outside is formed in the magnetic bowl and the magnetic steel component.
Further, the number of the sound outlet holes is one.
Furthermore, the sound outlet holes comprise a first sound outlet hole arranged on the magnetic bowl and a second sound outlet hole arranged on the main magnetic steel, and projections of the first sound outlet hole and the second sound outlet hole on the vibrating diaphragm along the vibration direction of the vibrating diaphragm are overlapped.
Further, the projection of the sound outlet on the diaphragm along the vibration direction of the diaphragm is rectangular.
Furthermore, the vibration system also comprises a ball top which is positioned in the front cavity and is attached to the vibrating diaphragm.
Furthermore, a fixing ring is arranged between the ball top and the voice coil and is fixedly connected with the ball top and the voice coil respectively.
Furthermore, the basin frame comprises an upper cover and a lower cover, wherein the upper cover and the vibrating diaphragm form the front cavity, the lower cover and the vibrating diaphragm form the rear cavity, and the interlayer is arranged on the upper cover.
Further, the interlayer comprises a through hole and a breathable film covering the through hole.
Furthermore, the vibrating diaphragm comprises a ball top, a corrugated ring part and a fixing part, wherein the corrugated ring part extends outwards from the ball top, the fixing part extends outwards from the corrugated ring part, and the fixing part is clamped between the upper cover and the interlayer.
The beneficial effects of the utility model reside in that: a new speaker structure is provided, which comprises a basin frame with an accommodating space, and a vibration system, a magnetic circuit system and an interlayer which are accommodated in the accommodating space, wherein a vibrating diaphragm in the vibration system is fixed on the basin frame and divides the accommodating space into a front cavity and a back cavity, the vibration system and the magnetic circuit system are both arranged in the front cavity, and the magnetic circuit system is far away from the back cavity relative to the vibration system, namely, the positions of the vibration system and the magnetic circuit system in the traditional speaker are exchanged, meanwhile, in the magnetic circuit system, at least one sound outlet which communicates the front cavity with the outside is arranged on a magnetic bowl and a main magnetic steel, and a voice coil is inserted in a magnetic gap formed by the main magnetic steel and an auxiliary magnetic steel, so that the voice coil can directly radiate through the sound outlet and does not pass through other structures of the speaker during the period, thereby effectively solving the heat radiation problem in the vibration process, the heat dissipation effect is improved.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of a speaker according to an embodiment of the present invention;
fig. 2 is an exploded perspective view of a speaker according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a schematic perspective view of a magnetic circuit system according to an embodiment of the present invention.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-4, the embodiment of the present invention first shows a three-dimensional structure of a speaker 100, which includes a vibration system 10, a magnetic circuit system 20, a frame 30 and a partition 40. Wherein, the frame 30 has a structure with a receiving space, and the vibration system 10, the magnetic circuit system 20 and the partition 40 are all received in the receiving space, only the outer structure of the frame 30 is shown in fig. 1.
The embodiment of the present invention further supplements the three-dimensional structure of the speaker 100 after being disassembled to illustrate the detailed structure of each component in the vibration system 10, the magnetic circuit system 20, the frame 30, the interlayer 40, and the vibration system 10 and the magnetic circuit system 20 included in the speaker 100.
The vibration system 10 includes a diaphragm 11 and a voice coil 12 for driving the diaphragm 11 to vibrate. The magnetic circuit system 20 comprises a magnetic bowl 21 and a magnetic steel assembly 22 assembled in the magnetic bowl 21 and having a magnetic gap 23. The magnetic steel assembly 22 comprises a main magnetic steel 221 arranged in the center and a secondary magnetic steel 222 arranged around the main magnetic steel 221 and forming the magnetic gap 23 with the main magnetic steel 221.
Wherein, the magnetic gap 23 is used for inserting the voice coil 12 therein, and when the magnetic circuit system 20 provides drive for the voice coil 12, the voice coil 12 vibrates, thereby driving the diaphragm 11 to vibrate to generate sound.
Wherein, the vibrating diaphragm 11 is fixed on the basin frame 30, and divides the accommodating space in the basin frame 30 into a front cavity and a back cavity, as shown in fig. 1 and fig. 2, the basin frame 30 includes an upper cover 31 and a lower cover 32, the upper cover 31 and the vibrating diaphragm 11 form the front cavity, the lower cover 32 and the vibrating diaphragm 11 form the back cavity, the upper cover 31 and the lower cover 32 cover and connect the back to form the accommodating space of the basin frame 30, and the vibration system 10, the magnetic circuit system 20 and the interlayer 40 are all accommodated in the accommodating space of the basin frame 30. The diaphragm 11 can also be regarded as a division of the upper cover 31 and the lower cover 32 in the frame 30, and the spacer 40 is provided on the upper cover 32.
In one embodiment, the spacer 40 is a breathable structure and includes a through hole 41 and a breathable film 42 covering the through hole 41, and the position of the through hole is indicated by a hollow edge and the position of the breathable film is indicated by a hollow part in fig. 2.
In the embodiment of the present invention, the lower cover 32 is provided with a powder filling opening 321.
Referring to fig. 3, the embodiment of the present invention further illustrates the internal structure of the assembled speaker 100 through the sectional view along the direction a-a in fig. 1.
With reference to fig. 2 and 3, it can be seen that, in the embodiment of the present invention, after the vibration diaphragm 11 separates the accommodating space in the basin frame 30 into the front cavity and the back cavity, the vibration system 10 and the magnetic circuit system 20 are both located in the front cavity, the interlayer 40 is disposed on the upper cover 32, the interlayer 40 is located in the back cavity, and the magnetic bowl 21 and the magnetic steel component 22 are both located at the position far away from the back cavity, and the magnetic bowl 21 and the main magnetic steel 221 are provided with at least one sound outlet 24 for communicating the front cavity with the outside. As can be seen from the structure of the vibration system 10 and the magnetic circuit system 20 shown in fig. 2, the voice coil 12 is inserted into the magnetic gap 23 of the magnetic steel 22, and the sound outlet 24 provides a direct heat dissipation path for the voice coil 12 of the speaker 100, and the heat dissipation process may be: the heat generated during the vibration of the voice coil 12 extends toward the center of the voice coil 12 and then is directly dissipated to the outside through the sound outlet hole 24 without passing through other structures in the speaker 100, thereby having a good heat dissipation effect.
In one embodiment, the diaphragm 11 includes a spherical top 111, a folded ring portion 112 extending outward from the spherical top 111, and a fixing portion 113 extending outward from the folded ring portion 112, and the fixing portion is sandwiched between the upper cover 31 and the spacer 40.
With continued reference to fig. 2 and 3, the embodiment of the present invention will further describe the detailed structure of the vibration system 11 to analyze the connection relationship between the vibration system 11 and the upper cover 31 and the lower cover 32 of the basin stand 30. As shown in fig. 2 and 3, the vibration system 11 further includes a dome 13, and the dome 13 is located in the front cavity and attached to the diaphragm 11. Since the voice coil 12 vibrates to drive the diaphragm 11 when the magnetic circuit system 20 provides a drive for the voice coil 12, and therefore there is a connection relationship between the voice coil 12 and the diaphragm 11 and the dome 13, as shown in fig. 2 and 3, a fixing ring 14 is provided between the dome 13 and the voice coil 12, and is respectively fixedly connected to the dome 13 and the voice coil 12.
Referring to fig. 4, the embodiment of the present invention also separately shows a three-dimensional structure of the magnetic circuit system 20 in the front cavity to illustrate the detailed structure of the sound holes 24, and it can be understood that only one sound hole 24 is shown in fig. 4, and the sound hole 24 shown in fig. 4 is exemplarily represented as a rectangle, and the projection of the sound hole on the diaphragm 11 along the vibration direction of the diaphragm 11 is also a rectangle.
With reference to fig. 2 and fig. 3, the sound outlet 24 is disposed in the magnetic bowl 21 and the main magnetic steel 221, in the embodiment of the present invention, the sound outlet 24 includes a first sound outlet 241 disposed on the magnetic bowl 21 and a second sound outlet 242 disposed on the main magnetic steel 221, and the projections of the first sound outlet 241 and the second sound outlet 242 on the vibrating diaphragm 11 along the vibration direction of the vibrating diaphragm 11 coincide.
As can be seen from the structure of the speaker 100 shown in fig. 1 to 4, in the embodiment of the present invention, the hierarchical structure in the speaker 100 is: the magnetic circuit system 20 → the vibration system 10 (the vibration eliminating membrane 11) → the vibration membrane 11 → the spacer 40, wherein the magnetic circuit system 20 and the vibration system 10 are located at a front cavity, and the magnetic circuit system 20 has a sound outlet 24 communicating the front cavity with the outside.
In the conventional speaker structure, the hierarchical structure thereof should be: vibration system → magnetic circuit system → spacer.
Therefore, the embodiment of the utility model provides a loudspeaker structure compares with traditional loudspeaker structure, has changed vibration system and magnetic circuit's position, the utility model provides a loudspeaker during operation, the heat that produces among the voice coil loudspeaker voice coil vibration process can be followed the phonation hole transmission outside of magnetism bowl, and among the traditional loudspeaker structure, the heat that the voice coil loudspeaker voice coil vibration process produced need pass the vibrating diaphragm after transmit the outside again, compare under, the utility model provides a loudspeaker structure has better heat dissipation way, can effectively solve the heat dissipation problem among the voice coil loudspeaker voice coil vibration process, improves the radiating effect.
In summary, the embodiment of the present invention provides a new speaker structure, which comprises a frame having an accommodating space, and a vibration system, a magnetic circuit system and an interlayer accommodated in the accommodating space, wherein a vibration film in the vibration system is fixed on the frame and divides the accommodating space into a front cavity and a back cavity, the vibration system and the magnetic circuit system are both disposed in the front cavity, and the magnetic circuit system is further away from the back cavity relative to the vibration system, i.e. the positions of the vibration system and the magnetic circuit system in the conventional speaker are exchanged, and meanwhile, in the magnetic circuit system, at least one sound outlet is disposed on the magnetic bowl and the main magnetic steel to connect the front cavity with the outside, and the voice coil is inserted into the magnetic gap formed by the main magnetic steel and the auxiliary magnetic steel, so that the voice coil can directly dissipate heat through the sound outlet without passing through other structures of the speaker during the period, thereby effectively solving the heat dissipation problem in the vibration process of the voice coil, the heat dissipation effect is improved.
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 loudspeaker comprises a basin frame with an accommodating space, a vibration system, a magnetic circuit system and an interlayer, wherein the vibration system, the magnetic circuit system and the interlayer are accommodated in the accommodating space, and the interlayer is fixed on the basin frame; the vibration system comprises a vibrating diaphragm and a voice coil for driving the vibrating diaphragm to vibrate; magnetic circuit includes magnetism bowl and matched stack locate in the magnetism bowl and have the magnet steel assembly in magnetic gap, the voice coil loudspeaker voice coil is inserted and is established in the magnetic gap, the magnet steel assembly includes main magnet steel that sets up centrally and locates around the main magnet steel and with the main magnet steel forms the vice magnet steel in magnetic gap, its characterized in that:
the vibration diaphragm is fixed on the basin frame and divides the accommodating space into a front cavity and a rear cavity, the vibration system and the magnetic circuit system are both arranged in the front cavity, and the interlayer is arranged in the rear cavity;
the magnetic bowl is arranged in the direction of the magnetic steel component far away from the rear cavity, and at least one sound outlet hole for communicating the front cavity with the outside is formed in the magnetic bowl and the magnetic steel component.
2. The loudspeaker of claim 1, wherein the number of sound outlet holes is one.
3. The loudspeaker of claim 2, wherein the sound outlet holes comprise a first sound outlet hole formed in the magnetic bowl and a second sound outlet hole formed in the main magnetic steel, and projections of the first sound outlet hole and the second sound outlet hole on the diaphragm along the vibration direction of the diaphragm coincide.
4. A loudspeaker according to claim 3, wherein the projection of the sound outlet on the diaphragm in the direction of vibration of the diaphragm is rectangular.
5. The loudspeaker of claim 1, wherein the vibration system further comprises a dome in the front cavity and attached to the diaphragm.
6. The speaker of claim 5, wherein a fixing ring is disposed between the dome and the voice coil and is fixedly connected to the dome and the voice coil, respectively.
7. The loudspeaker of claim 1, wherein the frame comprises an upper cover forming the front cavity with the diaphragm and a lower cover forming the back cavity with the diaphragm, the spacer being disposed on the upper cover.
8. The loudspeaker of claim 7, wherein the barrier layer comprises a through hole and a gas permeable membrane covering the through hole.
9. The loudspeaker of claim 7, wherein the diaphragm comprises a dome portion, an accordion portion extending outward from the dome portion, and a fixing portion extending outward from the accordion portion, the fixing portion being sandwiched between the upper cover and the spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922420624.XU CN211959532U (en) | 2019-12-27 | 2019-12-27 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922420624.XU CN211959532U (en) | 2019-12-27 | 2019-12-27 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211959532U true CN211959532U (en) | 2020-11-17 |
Family
ID=73188069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922420624.XU Expired - Fee Related CN211959532U (en) | 2019-12-27 | 2019-12-27 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211959532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114466294A (en) * | 2022-03-24 | 2022-05-10 | 歌尔科技有限公司 | Speaker and electronic apparatus |
-
2019
- 2019-12-27 CN CN201922420624.XU patent/CN211959532U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114466294A (en) * | 2022-03-24 | 2022-05-10 | 歌尔科技有限公司 | Speaker and electronic apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3163908B1 (en) | Speaker module | |
| US11223897B2 (en) | Sound producing device | |
| KR101657917B1 (en) | Loudspeaker module | |
| CN104202700B (en) | Microphone device | |
| CN111343542B (en) | Loudspeaker box | |
| WO2016095618A1 (en) | Micro speaker | |
| EP3065421B1 (en) | Modular loudspeaker for point sound source and manufacturing method therefor | |
| WO2021135690A1 (en) | Loudspeaker module and electronic device | |
| CN209787400U (en) | Combined earphone speaker and earphone | |
| CN111327999B (en) | Loudspeaker box | |
| JP7193462B2 (en) | Bridge-edge type high-resolution electromagnetic speaker | |
| CN206402403U (en) | Earphone with double preceding operatic tunes | |
| KR101804804B1 (en) | Slim Speaker | |
| CN204598258U (en) | Multiple sound unit earphone | |
| CN211744718U (en) | Sound production device | |
| CN111405427B (en) | Sound production device | |
| CN211959532U (en) | Loudspeaker | |
| CN109788411A (en) | A kind of electroacoustic transducer and moving-coil plate compounding loudspeaker | |
| CN213342569U (en) | Loudspeaker box and mobile terminal | |
| WO2024022489A1 (en) | Sound production apparatus and terminal device | |
| CN111405424B (en) | Sound production device | |
| JP3192587U (en) | Multi-voice coil coaxial sound source speaker | |
| JP3193406U (en) | Multi-ring coaxial same sound source speaker | |
| CN213126464U (en) | Sound production monomer and speaker box | |
| CN111629307B (en) | Loudspeaker |
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: 20201117 Termination date: 20211227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |