CN210225746U - Double-voice coil and double-magnetic circuit loudspeaker - Google Patents
Double-voice coil and double-magnetic circuit loudspeaker Download PDFInfo
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- CN210225746U CN210225746U CN201921476162.7U CN201921476162U CN210225746U CN 210225746 U CN210225746 U CN 210225746U CN 201921476162 U CN201921476162 U CN 201921476162U CN 210225746 U CN210225746 U CN 210225746U
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- 239000000428 dust Substances 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 92
- 229910052742 iron Inorganic materials 0.000 claims description 48
- 230000009977 dual effect Effects 0.000 claims description 14
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 11
- 239000012528 membrane Substances 0.000 abstract description 33
- 238000012545 processing Methods 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 239000004411 aluminium Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model provides a two voice coil loudspeaker voice coil double magnetic circuit loudspeaker belongs to loudspeaker structure field. The utility model discloses a first magnetic circuit, second magnetic circuit, first sound membrane subassembly, second sound membrane subassembly, wherein, first sound membrane subassembly and second sound membrane subassembly fixed connection to the setting is between first magnetic circuit and second magnetic circuit, still including setting up the dust screen in the first magnetic circuit outside and setting up the lid behind the heat dissipation in the second magnetic circuit outside. The utility model has the advantages that: the working efficiency and the power processing capacity are greatly improved, and the high-frequency response and level are expanded; the non-linear distortion is significantly reduced.
Description
Technical Field
The utility model relates to a horn structure especially relates to a two voice coil loudspeaker of duplex ring double magnetic circuit.
Background
The loudspeaker on the market all is single magnetic circuit loudspeaker, adopts traditional compression high pitch loudspeaker, and the quality restriction high frequency of sound membrane and voice coil loudspeaker voice coil extends to and the dome dispersion mode leads to the high pitch distortion, and traditional compression driver adopts big and heavy single voice coil metal dome vibrating diaphragm, and whole output and power processing are inefficient.
SUMMERY OF THE UTILITY MODEL
For solving the problem in the prior art, the utility model provides a two voice coil loudspeaker voice coil double magnetic circuit.
The utility model discloses a first magnetic circuit, second magnetic circuit, first sound membrane subassembly, second sound membrane subassembly, wherein, first sound membrane subassembly and second sound membrane subassembly fixed connection to the setting is between first magnetic circuit and second magnetic circuit, still including setting up the dust screen in the first magnetic circuit outside and setting up the lid behind the heat dissipation in the second magnetic circuit outside.
The utility model discloses make further improvement, first magnetic circuit includes first T iron, first magnet and first magnificent department, wherein, behind first magnet and the first magnificent department fixed connection, cup joint on the center pillar of first T iron and with be equipped with the clearance between the center pillar surface of first T iron, the second magnetic circuit includes second T iron, second magnet and second magnificent department, wherein, behind second magnet and the second magnificent department fixed connection, cup joint on the center pillar of second T iron to and be equipped with the clearance between the center pillar surface of second T iron.
The utility model discloses a further improvement, first voice coil loudspeaker voice coil subassembly includes first terminal, first voice coil loudspeaker voice coil, first sound membrane, first aluminium circle, first voice coil loudspeaker voice coil sets up in the clearance of the center pillar surface of first T iron, and links to each other with first sound membrane, first sound membrane sets up the back towards the second T iron at first T iron through first sound membrane support, first aluminium circle sets up between first sound membrane support and first T iron, first terminal sets up the outside at first sound membrane support, second sound membrane subassembly includes second terminal, second voice coil loudspeaker voice coil, second sound membrane, second aluminium circle, second voice coil loudspeaker voice coil sets up in the clearance of the center pillar surface of second T iron, and links to each other with the second sound membrane, the second sound membrane sets up in the front towards the first T iron at the second T iron through second sound membrane support, the second aluminium circle sets up between second sound membrane support and second T iron, the second terminal is arranged on the outer side of the second voice diaphragm support, and the first voice diaphragm support and the second voice diaphragm support are fixedly connected.
The utility model discloses do further improvement, still include first sound membrane aluminium circle and second sound membrane aluminium circle, first aluminium membrane voice coil loudspeaker voice coil sets up between first sound membrane and first china department, and second sound membrane aluminium circle sets up between second sound membrane and second china department.
The utility model discloses make further improvement, the shield is the iron net with first T iron center pillar size matching, the iron net periphery is equipped with decorates the circle.
The utility model discloses make further improvement, first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil are voice coil.
The utility model discloses make further improvement, first sound membrane and second sound membrane are the annular that the volume is the same.
Compared with the prior art, the beneficial effects of the utility model are that: the structure is compact, and the working efficiency and the power processing capacity are greatly improved; the tone quality is smooth; effectively extending the high frequency response level; the non-linear distortion is significantly reduced.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the utility model discloses a two voice coil loudspeaker voice coil double-magnetic circuit setting, including first magnetic circuit, second magnetic circuit, first sound membrane subassembly, second sound membrane subassembly, wherein, first sound membrane subassembly and second sound membrane subassembly fixed connection to the setting is between first magnetic circuit and second magnetic circuit, still including setting up the dust screen in the first magnetic circuit outside and setting up lid behind the heat dissipation in the second magnetic circuit outside.
Specifically, the first magnetic circuit comprises a first T iron 1, a first magnet 2 and a first washer 3, wherein the first magnet 2 and the first washer 3 are bonded by glue and then sleeved on a center post of the first T iron 1, and then the first T sticker 1 and the first magnet 2 are bonded by glue, wherein a magnetic gap is formed between the first magnet 2 and the outer surface of the center post of the first T iron 1 and between the first washer 3 and the outer surface of the center post of the first T iron 1. The second magnetic circuit comprises a second T iron 9, a second magnet 10 and a second washer 11, wherein the second magnet and the second washer 10 are bonded through glue, sleeved on a center post of the second T iron 9, the second T paste 9 and the second magnet 10 are bonded through glue, and a magnetic gap is also formed in the outer surface of the center post of the second T iron 9.
The first voice coil 5 is arranged in a magnetic gap on the outer surface of a center pillar of the first T iron 1 and fixedly connected with the first voice coil 8 through glue, the first voice coil 8 is arranged on the back surface, facing the second T iron 9, of the first T iron 1 through the first voice coil support 7, the first aluminum ring 23 is arranged between the first voice coil support 7 and the first T iron, the first terminal 4 comprises a first terminal end 42 and a first fixed end 41, a fixed column is arranged on the first terminal end 42, a through hole corresponding to the first terminal end 42 is formed in the periphery of the first voice coil support 7, the fixed column of the first terminal end 42 penetrates through the through hole and is fixed through the first fixed end 41, and then the fixed column is bonded and reinforced on the first voice coil support 7.
Similarly, the second voice coil 12, the second voice coil 15 and the second aluminum ring 22 are included, the second voice coil 12 is disposed in the magnetic gap on the outer surface of the center pillar of the second T-bar 10, and is fixedly connected with the second voice coil 15 by glue, the second voice coil 15 is disposed on the front surface of the second T-bar 9 facing the first T-bar 1 through the second voice coil support 14, the second aluminum ring 22 is disposed between the second voice coil support 14 and the second T-bar 9, and the second terminal 16 is disposed on the outer side of the second voice coil support 14 and is connected with the voice coil assembly.
The voice coil is characterized by further comprising a first voice diaphragm aluminum ring 7 and a second voice diaphragm aluminum ring 13, wherein the first aluminum diaphragm voice coil 7 is arranged between the first voice diaphragm 5 and the first washer 3, and the second voice diaphragm aluminum ring 13 is arranged between the second voice diaphragm 15 and the second washer 11. In order to make the structure more compact and the fixing effect better, in this embodiment, the first voice diaphragm aluminum ring 7 is adhered to the first voice diaphragm support 7, and the second voice diaphragm aluminum ring 13 is adhered to the first voice diaphragm support 14, and then the whole is fixed by screws. Specifically, the first voice diaphragm assembly, the second voice diaphragm assembly and the first magnetic circuit are fixedly connected through 4 screws 21 around, and the second voice diaphragm assembly, the second magnetic circuit and the heat dissipation rear cover 17 are fixedly connected through a screw 18 in the middle.
The dust cover 19 of this example is an iron net matched with the size of the center post of the first T-bar 1, and an aluminum ring 20 for decorating and fixing the iron net is arranged on the periphery of the iron net.
Preferably, the first voice coil 5 and the second voice coil 12 of this example are both voice coils; the first sound film 8 and the second sound film 15 are both annular with the same volume.
The utility model discloses be showing and improving on high frequency sound and performance, for traditional single magnetic circuit tweeter, two voice coil loudspeaker voice coils double-magnetic circuit have made huge breakthrough on acoustic system, and the innovation point is as follows:
1. the dual voice coil dual magnetic circuit horn described the technical limitations of conventional compression tweeters, due to the mass of the diaphragm and voice coil limiting the high frequency extension, and due to the dome dispersion mode causing distortion, this example combines two compression drivers into a compact transducer with a single acoustic output, this example employs two voice coils, each having its own weight, polymeric material, annular diaphragm, its own magnet assembly and its own specialized phasing insert, i.e., voice coil assembly, replacing the large and heavy single voice coil metal dome diaphragm of a conventional compression driver by two light but powerful voice coils, one for two power, acoustically connected to a single outlet section.
2. Since the two aluminum coils and voice coils of the two smaller first and second voice diaphragm assemblies operate on the same acoustic load, the use of each voice diaphragm and voice coil body with less movement provides high efficiency and SPL for linear array professional speakers, and in addition, increases higher frequency playback. For the traditional compression treble driver, the invention makes a significant breakthrough in the design of the acoustic system.
3. Through objective measurement and verification, the performance of the high pitch loudspeaker passes through detailed subjective listening tests, and the high pitch loudspeaker shows more excellent tone quality than a traditional metal single magnetic circuit structure drive.
4. The tweeter of the present invention provides a maximum output over conventional systems, thereby significantly increasing the power density of the array. Compared to conventional systems, the tweeter of the present invention doubles the voice coil and more than doubles the power handling, but reduces the weight by 30%. Furthermore, the present invention also enables significant improvements to be achieved at the same pure high frequency sound pressure level and at the same structural dimensions.
5. The two annular diaphragms have the same heat dissipation area and act as a conventional single dome, with a rapid increase in overall output and power handling due to the lower moving body and the enhanced heat transfer achieved by the two independent voice coils.
In conclusion, the invention has compact structure and greatly improves the working efficiency and the power processing capacity; the tone quality is smooth; effectively extending the high frequency response level; the non-linear distortion is significantly reduced.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a two voice coil loudspeaker of duplex magnetic circuit which characterized in that: the sound diaphragm assembly comprises a first magnetic circuit, a second magnetic circuit, a first sound diaphragm assembly and a second sound diaphragm assembly, wherein the first sound diaphragm assembly and the second sound diaphragm assembly are fixedly connected and are arranged between the first magnetic circuit and the second magnetic circuit, and the sound diaphragm assembly further comprises a dust screen arranged on the outer side of the first magnetic circuit and a heat dissipation rear cover arranged on the outer side of the second magnetic circuit.
2. The dual voice coil dual magnetic circuit horn of claim 1, wherein: the first magnetic circuit comprises a first T iron, a first magnet and a first washer, wherein the first magnet and the first washer are fixedly connected and then sleeved on the center pillar of the first T iron, a gap is formed between the first magnet and the outer surface of the center pillar of the first T iron, the second magnetic circuit comprises a second T iron, a second magnet and a second washer, the second magnet and the second washer are fixedly connected and then sleeved on the center pillar of the second T iron, and a gap is formed between the second magnet and the outer surface of the center pillar of the second T iron.
3. The dual voice coil dual magnetic circuit horn of claim 2, wherein: the first voice coil is arranged in a gap on the outer surface of a center pillar of the first T iron and connected with the first voice coil, the first voice coil is arranged on the back surface of the first T iron facing the second T iron through a first voice coil support, the first aluminum ring is arranged between the first voice coil support and the first T iron, the first terminal is arranged on the outer side of the first voice coil support, the second voice coil is arranged in a gap on the outer surface of a center pillar of the second T iron and connected with the second voice coil, the second voice coil is arranged on the front surface of the second T iron facing the first T iron through a second voice coil support, the second aluminum ring is arranged between the second voice coil support and the second T iron, and the second terminal is arranged on the outer side of the second voice coil support, the first voice diaphragm support and the second voice diaphragm support are fixedly connected.
4. The dual voice coil dual magnetic circuit horn of claim 3, wherein: the voice coil comprises a first voice coil and a second voice coil, wherein the first voice coil is arranged between a first voice film and a first washer, and the second voice coil is arranged between a second voice film and a second washer.
5. The dual voice coil dual magnetic circuit horn as claimed in any one of claims 1 to 4, wherein: the dust screen is the iron screen that matches with first T iron center pillar size, the iron screen periphery is equipped with decorates the circle.
6. The dual voice coil dual magnetic circuit horn as claimed in any one of claims 1 to 4, wherein: the first voice coil and the second voice coil are both voice coils.
7. The dual voice coil dual magnetic circuit horn of claim 6, wherein: the first sound film and the second sound film are both annular with the same volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476162.7U CN210225746U (en) | 2019-09-05 | 2019-09-05 | Double-voice coil and double-magnetic circuit loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476162.7U CN210225746U (en) | 2019-09-05 | 2019-09-05 | Double-voice coil and double-magnetic circuit loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210225746U true CN210225746U (en) | 2020-03-31 |
Family
ID=69921593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921476162.7U Active CN210225746U (en) | 2019-09-05 | 2019-09-05 | Double-voice coil and double-magnetic circuit loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210225746U (en) |
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2019
- 2019-09-05 CN CN201921476162.7U patent/CN210225746U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 1st floor, electronic building, Jiuwei Xiange technology and Culture Industrial Park, Jiuwei community, Hangcheng street, Bao'an District, Shenzhen, Guangdong Province Patentee after: IAG Group Ltd. Address before: 518000 Jiuwei Xiange science and Technology Industrial Park, Xi Township, Bao'an District, Shenzhen City, Guangdong Province Patentee before: IAG GROUP Co.,Ltd. |