CN108184195B - Big dynamic multi-media loudspeaker of big sound circle - Google Patents
Big dynamic multi-media loudspeaker of big sound circle Download PDFInfo
- Publication number
- CN108184195B CN108184195B CN201810118829.XA CN201810118829A CN108184195B CN 108184195 B CN108184195 B CN 108184195B CN 201810118829 A CN201810118829 A CN 201810118829A CN 108184195 B CN108184195 B CN 108184195B
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- Prior art keywords
- voice coil
- damper
- magnetic circuit
- circuit system
- loudspeaker
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- 238000000034 method Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
- H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a large-voice-coil large-dynamic multimedia loudspeaker which comprises a supporting system, a magnetic circuit system and a vibration system, wherein the supporting system supports the magnetic circuit system and the vibration system; the vibration system comprises a voice coil and a body which are matched and installed together; the support system comprises a damper for supporting the voice coil; the bullet ripples are installed on bullet ripples support frame, play the ripples support frame and be located the voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil is connected with the outer lane of bullet ripples. The voice coil is connected with the elastic wave in the reciprocating motion process, and the outer ring of the elastic wave is connected with the inner ring of the voice coil, so that the diameter of the voice coil can be large, the small-caliber loudspeaker is provided with the large-diameter voice coil and high power, the effects of high force compliance (cms) and low resonance frequency (fs) are achieved, and the linear distortion of the loudspeaker is effectively controlled.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to an audio technology.
Background
Moving coil loudspeaker among the prior art, the fixed mode of voice coil loudspeaker voice coil is: the voice coil is fixed on the elastic wave inner ring, and the end part of the voice coil is connected with the body (or the vibrating diaphragm) or the dust cap, as shown in fig. 1 and 2. The voice coil with a small diameter is difficult to be made large, and even if the voice coil is made large, the high compliance (cms) and the low resonance frequency (fs) are difficult to satisfy.
Disclosure of Invention
The technical problems solved by the invention are as follows: the small-caliber moving-coil loudspeaker is used as a large-diameter voice coil.
In order to solve the technical problems, the invention provides the following technical scheme: a large-voice-coil large-dynamic multimedia loudspeaker comprises a supporting system, a magnetic circuit system and a vibration system, wherein the supporting system supports the magnetic circuit system and the vibration system, and the magnetic circuit system and the vibration system are installed in a matched mode; the vibration system comprises a voice coil and a body which are matched and installed together; the support system comprises a damper for supporting the voice coil; the bullet ripples are installed on bullet ripples support frame, play the ripples support frame and be located the voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil is connected with the outer lane of bullet ripples.
The magnetic circuit system provides a magnetic field, and after the voice coil is electrified, the voice coil is acted by force under the action of the magnetic field. The direction of force of voice coil loudspeaker voice coil is along with the direction of electric current constantly changes the direction, and voice coil loudspeaker voice coil makes reciprocating motion, and the voice coil loudspeaker voice coil drives the trunk vibration, promotes the air, makes the air produce compression and inflation, produces a pressure at original atmospheric pressure to outwards radiation sound wave, acoustic pressure act on the people's ear, what the perception is exactly sound.
In the reciprocating motion process of the voice coil, the elastic wave is elastically connected with the voice coil, and the outer ring of the elastic wave is connected with the inner ring of the voice coil, so that the diameter of the voice coil can be large, the small-caliber loudspeaker is provided with the large-diameter voice coil and high power, the effects of high force compliance (cms) and low resonance frequency (fs) are achieved, and the linear distortion of the loudspeaker is effectively controlled.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a prior art moving coil loudspeaker;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a diagram of a large voice coil large dynamic multimedia loudspeaker according to a first embodiment of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
fig. 5 is a schematic diagram of a large voice coil large dynamic multimedia loudspeaker according to a second embodiment of the present invention.
The symbols in the drawings illustrate that:
10. a voice coil; 11. a carcass; 12. a dust cap;
20. elastic wave; 200. a concave structure; 21. a damper support frame; 211. a disc-shaped positioning portion; 212. a rod-shaped support portion; 22. a support; 23. r side; 24. an elastic wave connecting component; 241. a positioning member; 242. a passive compression element; 243. an active pressing piece; 244. a screw connection part; 245. a pressing part; 246. a first bearing; 247. connecting a screw rod; 248. a second bearing;
30. iron U; 31. a magnet; 32. washer;
40. a wiring board; 41. a lug plate; 42. and (7) leading wires.
Detailed Description
The first embodiment:
a large-voice-coil large-dynamic multimedia loudspeaker comprises a supporting system, a magnetic circuit system and a vibration system, wherein the magnetic circuit system and the vibration system are supported by the supporting system, and the magnetic circuit system and the vibration system are installed in a matched mode.
As shown in fig. 4, the support system includes a bracket 22, an R-side 23, a damper 20, and a damper support 21. Wherein, the R edge is fixedly connected with the bracket through glue.
The magnetic circuit system comprises a U-shaped iron 30, a magnet 31 and a washer 32. Wherein, the U-shaped iron is fixedly connected with the bracket 22 through glue or other methods such as an additional fixing sheet; the magnet and the U-shaped iron are fixed by glue; the magnet and the washer are fixed by gluing.
The U-shaped iron 30, the magnet 31 and the washer 32 are hollow, the damper support frame 21 comprises a disc-shaped positioning portion 211 and a rod-shaped support portion 212, a circular groove is formed in the bottom of the U-shaped iron 30, and a concave structure 200 is arranged in the middle of the damper 20. The disc-shaped positioning part is fitted in the circular groove, the rod-shaped support part 212 is inserted into the hollow cavities of the U-shaped iron 30, the magnet 31 and the washer 32, and the end of the rod-shaped support part 212 is fitted with the concave structure 200 of the damper to support the damper 20. Wherein, bullet ripples support frame 21 passes through glue, riveting, welding or other mode with U iron 30 and combines, and bullet ripples 20 passes through glue, riveting, welding or other mode with bullet ripples support frame 21 and combines.
As shown in fig. 4, the vibration system includes a voice coil 10, a body 11, and a dust cap 12. The damper 20 is located in the voice coil 10, the outer ring of the damper is connected with the inner ring of the voice coil, and the inner ring of the body 11 is connected with the outer ring of the voice coil 10. Wherein, the voice coil loudspeaker voice coil passes through glue with the body to be connected, and the voice coil loudspeaker voice coil passes through glue fixed connection with the dust cap, the body with R limit 23 passes through glue fixed connection.
Referring to fig. 3 and 4, a terminal plate 40 is riveted on the support 22, a terminal plate 41 is riveted on the terminal plate, a lead 42 is welded on the terminal plate, and the lead is connected with the voice coil 10 by welding. Current is supplied to the voice coil 10 through the lead 42.
Second embodiment:
a large-voice-coil large-dynamic multimedia loudspeaker comprises a supporting system, a magnetic circuit system and a vibration system, wherein the magnetic circuit system and the vibration system are supported by the supporting system, and the magnetic circuit system and the vibration system are installed in a matched mode.
As shown in fig. 5, the support system includes a bracket 22, an R-side 23, a damper 20, and a damper support 21.
As shown in fig. 5, the magnetic circuit system includes a U-iron 30, a magnet 31, and a washer 32.
The damper support frame 21 comprises a disc-shaped positioning portion 211 and a rod-shaped supporting portion 212, a circular groove is formed in the bottom of the U iron 30, the disc-shaped positioning portion is matched in the circular groove, the rod-shaped supporting portion 212 is inserted in the hollow cavities of the U iron 30, the magnet 31 and the washer 32, a damper connecting assembly 24 is arranged at the end portion of the rod-shaped supporting portion 212, and the rod-shaped supporting portion is connected with the damper through the damper connecting assembly 24.
As shown in fig. 5, the wave spring coupling assembly 24 includes a positioning member 241, a passive pressing member 242, and an active pressing member 243.
Regarding the damper connecting assembly 24, a threaded hole is formed in the middle of the positioning member 241.
In the damper coupling assembly 24, the passive presser 242 has a cylindrical shape.
With respect to the damper connection assembly 24, the driving pressing member 243 includes a screw portion 244 and a pressing portion 245.
Regarding the damper connecting assembly 24, a concave structure 200 is disposed in the middle of the damper 20, the concave structure is sleeved on the positioning member, and the passive pressing member 242 is sleeved on the periphery of the concave structure. The screw-connection portion 244 passes through the passive pressing member and is screw-connected in the threaded hole, and the pressing portion 245 presses against the passive pressing member. The passive pressing member 242 is connected to the active pressing member 243 via a first bearing 246.
With respect to the damper-joint assembly 24, the active pressing member 243 is hollow, and a connecting screw 247 passes through the hollow cavity of the active pressing member, and the connecting screw is connected with the active pressing member through a second bearing 248.
Regarding the damper connection assembly 24, the rod-shaped support portion 212 is provided with a screw hole, and the connection screw 247 is matched with the screw hole, that is, the damper connection assembly 24 is connected to the rod-shaped support portion 212 through the connection screw 247.
In the damper connecting assembly 24, the driving pressing member 243 is rotated, the screw portion 244 is inserted into the screw hole of the positioning member 241, the pressing portion 245 of the driving pressing member presses the driven pressing member 242, the gap between the driven pressing member and the positioning member is reduced, the area of the damper entering the gap between the driven pressing member and the positioning member is increased, the entire damper is radially stretched, and thus the elastic force of the damper is adjusted.
With respect to the damper coupling assembly 24, the connecting screw 247 is rotated to drive the entire damper coupling assembly 24 away from or close to the end of the rod-shaped support portion 212, so as to adjust the radial stretching degree or levelness of the damper.
With respect to the damper connection assembly 24, the damper has the function of maintaining the voice coil in the correct position in the magnetic gap, ensuring that the voice coil reciprocates axially when subjected to a force, which together with the voice coil and the body determines the resonant efficiency of the loudspeaker. Therefore, the adjustment of the elastic wave elastic force can directly influence the amplitude and frequency of the axial reciprocating motion of the voice coil and the resonance efficiency of the loudspeaker.
As shown in fig. 5, the vibration system includes a voice coil 10, a body 11, and a dust cap 12. The damper 20 is located in the voice coil 10, the outer ring of the damper is connected with the inner ring of the voice coil, and the inner ring of the body 11 is connected with the outer ring of the voice coil 10.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.
Claims (1)
1. A large-voice-coil large-dynamic multimedia loudspeaker comprises a supporting system, a magnetic circuit system and a vibration system, wherein the supporting system supports the magnetic circuit system and the vibration system, and the magnetic circuit system and the vibration system are installed in a matched mode;
the vibration system comprises a voice coil (10) and a body (11) which are matched and installed together;
the support system comprises a damper (20) for supporting the voice coil;
the method is characterized in that: the damper is arranged on a damper support frame (21), the damper support frame is positioned in a voice coil, and the voice coil is connected with an outer ring of the damper;
the magnetic circuit system is hollow, and the elastic wave support frame (21) is positioned in the hollow cavity of the magnetic circuit system and is fixedly connected with the magnetic circuit system;
the magnetic circuit system comprises a U-shaped iron (30), a magnet (31) and a washer (32), and the damper support frame (21) is located in a hollow cavity of the U-shaped iron, the magnet and the washer and is fixedly connected with the U-shaped iron;
the damper support frame (21) comprises a disc-shaped positioning part (211) and a rod-shaped support part (212), the bottom of the U-shaped iron (30) is provided with a circular groove, and the disc-shaped positioning part is matched in the circular groove;
the middle part of the damper (20) is provided with a concave structure (200), and the end part of the rod-shaped support part (212) is provided with a damper connecting component (24);
the elastic wave connecting component comprises a positioning piece (241), a passive pressing piece (242) and an active pressing piece (243);
the active pressing member includes a screw part (244) and a pressing part (245);
the concave structure sleeve is arranged on the positioning piece, the driven pressing piece is cylindrical and is arranged on the periphery of the concave structure, a threaded hole is formed in the middle of the positioning piece, the threaded part penetrates through the driven pressing piece and is in threaded connection with the threaded hole, and the pressing part is pressed on the driven pressing piece in a pressing mode, so that the gap between the driven pressing piece and the positioning piece is reduced.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118829.XA CN108184195B (en) | 2018-02-06 | 2018-02-06 | Big dynamic multi-media loudspeaker of big sound circle |
| PCT/CN2018/108929 WO2019153762A1 (en) | 2018-02-06 | 2018-09-30 | Large dynamic multimedia loudspeaker having large voice coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118829.XA CN108184195B (en) | 2018-02-06 | 2018-02-06 | Big dynamic multi-media loudspeaker of big sound circle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108184195A CN108184195A (en) | 2018-06-19 |
| CN108184195B true CN108184195B (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810118829.XA Active CN108184195B (en) | 2018-02-06 | 2018-02-06 | Big dynamic multi-media loudspeaker of big sound circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108184195B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153762A1 (en) * | 2018-02-06 | 2019-08-15 | 东莞市扎克电子科技有限公司 | Large dynamic multimedia loudspeaker having large voice coil |
| CN108184195B (en) * | 2018-02-06 | 2020-04-24 | 东莞市扎克电子科技有限公司 | Big dynamic multi-media loudspeaker of big sound circle |
| CN109495819B (en) * | 2018-11-02 | 2020-11-20 | 歌尔股份有限公司 | Sound production device and earphone |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238460A (en) * | 2010-04-30 | 2011-11-09 | 张志中 | Loudspeaker with built-in spider structure |
| CN204131715U (en) * | 2014-09-02 | 2015-01-28 | 国光电器股份有限公司 | A kind of improvement loud speaker |
| CN206481453U (en) * | 2017-01-09 | 2017-09-08 | 东莞市赞歌声学科技有限公司 | The ultrathin loudspeaker of brace type bullet ripple is carried in a kind of voice coil loudspeaker voice coil |
| CN108184195A (en) * | 2018-02-06 | 2018-06-19 | 东莞市扎克电子科技有限公司 | A kind of big voice coil Larger Dynamic multi-media speaker |
| CN208063450U (en) * | 2018-02-06 | 2018-11-06 | 东莞市扎克电子科技有限公司 | A kind of big voice coil Larger Dynamic multi-media speaker |
-
2018
- 2018-02-06 CN CN201810118829.XA patent/CN108184195B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238460A (en) * | 2010-04-30 | 2011-11-09 | 张志中 | Loudspeaker with built-in spider structure |
| CN204131715U (en) * | 2014-09-02 | 2015-01-28 | 国光电器股份有限公司 | A kind of improvement loud speaker |
| CN206481453U (en) * | 2017-01-09 | 2017-09-08 | 东莞市赞歌声学科技有限公司 | The ultrathin loudspeaker of brace type bullet ripple is carried in a kind of voice coil loudspeaker voice coil |
| CN108184195A (en) * | 2018-02-06 | 2018-06-19 | 东莞市扎克电子科技有限公司 | A kind of big voice coil Larger Dynamic multi-media speaker |
| CN208063450U (en) * | 2018-02-06 | 2018-11-06 | 东莞市扎克电子科技有限公司 | A kind of big voice coil Larger Dynamic multi-media speaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108184195A (en) | 2018-06-19 |
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