CN202068566U - Moving-coil electroacoustic converter - Google Patents
Moving-coil electroacoustic converter Download PDFInfo
- Publication number
- CN202068566U CN202068566U CN 201120181315 CN201120181315U CN202068566U CN 202068566 U CN202068566 U CN 202068566U CN 201120181315 CN201120181315 CN 201120181315 CN 201120181315 U CN201120181315 U CN 201120181315U CN 202068566 U CN202068566 U CN 202068566U
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- CN
- China
- Prior art keywords
- voice coil
- moving
- fixed
- type electro
- suspension
- 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 - Lifetime
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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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/041—Centering
- H04R9/043—Inner suspension or damper, e.g. spider
-
- 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
- H04R7/04—Plane diaphragms
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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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a moving coil electroacoustic converter in a long strip shape. The moving coil electroacoustic converter includes a vibrating system comprising a diaphragm and a drive part combined with the diaphragm. The drive part includes a voice coil barrel and a voice coil support supporting the voice coil. The moving coil electroacoustic converter also includes a magnetic circuit system comprising a washer, a magnet and frame combined together successively from top to bottom. The moving coil electroacoustic converter also includes a shell which receives and fixes the vibrating system and the magnetic circuit system. Spiders are disposed on two ends of the voice coil support. A first fixing part is arranged on a middle portion of each spider while a second fixing part is arranged on the periphery of each spider. The first fixing parts are fixed on the voice coil support while the second fixing parts are fixed on the shell. In this way, the spiders can be fixed between the drive part and the shell, so as to realize a better anti-polarization effect, thereby improving the acoustic performance of the moving-coil electroacoustic converter further.
Description
Technical field
The utility model relates to the electroacoustic transducer field, is specifically related to a kind of moving-coil type electro-acoustic conversing device.
Background technology
The development of terminal consumption electronic product, make increasing electroacoustic transducer particularly moving-coil type electro-acoustic conversing device obtained a large amount of application, known, thereby being the voice coil loudspeaker voice coil forced vibration in magnetic field that is connected with ac signal, the sounding principle of moving-coil type electro-acoustic conversing device drives the vibrating diaphragm sounding.When electric current flows through voice coil loudspeaker voice coil, can around voice coil loudspeaker voice coil, produce the variation magnetic field identical with audio signal frequency, the magnetic field that magnetic field that voice coil loudspeaker voice coil produced and magnetic circuit system are produced can produce interaction, make voice coil loudspeaker voice coil produce the vibration that departs from vertical direction, thereby generation polarization, cause the distortion and the distortion of vibrational system, make the vibrational system job insecurity.
At present, be applied in the moving-coil type electro-acoustic conversing device of electronic products such as LCD, PDP,, generally it be designed to strip for guaranteeing the slimming of end product design.At the loud speaker of this kind structure, two kinds of designs are disclosed in the prior art, a kind of is by the sheet metal of sheet is set, and this design realizes centering by mechanical deflection, and the centring disk design stability of this mechanical structure is relatively poor, and the centering effect is relatively poor; Another kind is to be combined between vibrating diaphragm and the middle shell by playing ripple, this design, though can realize anti-polarization effect to a certain extent, but moving-coil type electro-acoustic conversing device for this strip structure, weak more the closer to the reaction of position intermediate polarization, can not fundamentally solve anti-polarization problem.
So, be necessary the moving-coil type electro-acoustic conversing device of above-mentioned traditional structure is further improved, to avoid above-mentioned defective.
Summary of the invention
Technical problem to be solved in the utility model is: at the moving-coil type electro-acoustic conversing device of strip structure, provide a kind of and can realize the better moving-coil type electro-acoustic conversing device design of anti-polarization effect, improve the vibration performance of moving-coil type electro-acoustic conversing device.
For solving the problems of the technologies described above, the technical solution of the utility model is: moving-coil type electro-acoustic conversing device, and it is a strip, comprising:
Vibrational system, described vibrational system comprise vibrating diaphragm and the drive part that combines with described vibrating diaphragm, and described drive part comprises voice coil tube and supports the voice coil suspension of described voice coil tube;
Magnetic circuit system, described magnetic circuit system comprise washer, magnet and the basin frame of combination from top to bottom;
Shell, described shell hold fixing described vibrational system and described magnetic circuit system;
Wherein, the two ends of described voice coil suspension are respectively equipped with the bullet ripple, and the middle part of described bullet ripple is provided with first fixed part and the edge is provided with second fixed part, and described first fixed part is fixed on the described voice coil suspension, and described second fixed part is fixed on the described shell.
As a kind of optimized technical scheme, described basin frame is the grooved of both ends open; The two ends of voice coil suspension reach the outside of magnetic circuit system, and described voice coil tube is set in the bottom of described voice coil suspension, and described two first fixed parts that play ripple are fixed on the two ends of described voice coil suspension bottom.
As another kind of optimized technical scheme, described voice coil tube is set in the bottom of described voice coil suspension, and the top of described voice coil suspension is provided with two extensions that extend to the described voice coil tube outside, and described two first fixed parts that play ripple are fixed on described two extensions.
As a kind of optimized technical scheme, the exterior contour of described bullet ripple is circle or racetrack.
As a kind of optimized technical scheme, described bullet ripple is a ring-type, and described first fixed part is the installing hole that the center is provided with; Described second fixed part is the Plane Installation portion that is arranged on the edge.
As a kind of optimized technical scheme, the section of described bullet ripple is wavy.
As a kind of optimized technical scheme, the two ends of described voice coil suspension are respectively arranged with fixed leg, and described fixed leg combines with first fixed part of described bullet ripple.
As a kind of optimized technical scheme, the pairing outer casing bottom of described bullet ripple is provided with perforate.
As a kind of optimized technical scheme, described bullet wavelength-division is unfixing with described shell and described voice coil suspension bonding.
As a kind of optimized technical scheme, described magnetic circuit system comprises two independent parts.
After having adopted technique scheme, the beneficial effects of the utility model are: the utility model moving-coil type electro-acoustic conversing device, two ends at the voice coil suspension that supports voice coil tube are provided with the bullet ripple, the middle part of bullet ripple is provided with first fixed part and the edge is provided with second fixed part, first fixed part is fixed on the voice coil suspension, and second fixed part is fixed on the shell.This design plays ripple and is set directly between the drive part and shell of magnetic circuit system, can realize better anti-polarization effect, has further improved the acoustical behavior of moving-coil type electro-acoustic conversing device.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model embodiment one moving-coil type electro-acoustic conversing device;
Fig. 2 is the cutaway view of the utility model embodiment one moving-coil type electro-acoustic conversing device;
Fig. 3 is the local enlarged diagram of A part among Fig. 2;
Fig. 4 is the vertical view that the utility model embodiment one plays ripple;
Fig. 5 is the assembling schematic diagram that the utility model embodiment one plays ripple and drive part;
Fig. 6 is the cutaway view of the utility model embodiment two moving-coil type electro-acoustic conversing devices;
Fig. 7 is the local enlarged diagram of B part among Fig. 6;
Fig. 8 is the utility model embodiment two voice coil suspensions and the assembling schematic diagram that plays ripple;
Fig. 9 is the vertical view that the utility model embodiment three plays ripple;
Among the figure: the 11-vibrating diaphragm; 12,12 '-support; 121,121 '-reference column; The 13-voice coil tube; 2,2 '-bullet ripple; 21,21 '-the first fixed part; 22,22 '-the second fixed part; The 31-washer; 32-magnet; 33-basin frame; The 4-shell; The 41-perforate, the 5-wiring board.
Embodiment
In the following description, only the mode by explanation is described some one exemplary embodiment of the present utility model, undoubtedly, those of ordinary skill in the art can recognize, under the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing and be described in just illustratively in essence rather than is used to limit the protection range of claim.In addition, in this manual, identical Reference numeral indicates identical part.
Embodiment one:
As Fig. 1 to shown in Figure 5, a kind of moving-coil type electro-acoustic conversing device, it is the strip structure, involving vibrations system, magnetic circuit system and hold the fixedly shell 4 of vibrational system and magnetic circuit system.Wherein, vibrational system comprises vibrating diaphragm 11 and the drive part that combines with vibrating diaphragm 11, and this drive part comprises voice coil tube 13 and supports the voice coil suspension 12 of voice coil tube 13; Magnetic circuit system comprises washer 31, magnet 32 and the basin frame 33 that combines from top to bottom.Basin frame 33 is the grooved of both ends open, and the two ends of voice coil suspension 12 reach the outside of magnetic circuit system, and voice coil tube 13 is set in the bottom of voice coil suspension 12.
Be respectively arranged with bullet ripple 2 at the two ends of voice coil suspension 12, the middle part of bullet ripple 2 is provided with first fixed part 21 and the edge is provided with second fixed part 22, two first fixed parts 21 that play ripple are fixed on the two ends of voice coil suspension 12 bottoms, second fixed part 22 is fixed on the shell 4, all adopt bonding fixing, this kind fixed form is comparatively simple in production reality.Adopt above-mentioned design, will play the two ends that ripple 2 is arranged on the bottom of drive part, thereby realize anti-preferably polarization effect.
In this implementation process, preferential, the exterior contour that plays ripple 2 is circular, and the bullet ripple of circular configuration is stressed evenly, and anti-polarization property is more stable.And playing ripple 2 is wavy for ring-type, section, the installing hole that first fixed part 21 is provided with for the center, and second fixed part 22 is for being arranged on the Plane Installation portion at edge.Be respectively arranged with fixed leg 121 on the two ends of voice coil suspension 12 bottoms, the end of fixed leg 121 is inserted in first fixed part, is convenient to play the installation of ripple.
Corresponding shell 4 bottoms that play ripple 2 installation sites are provided with perforate 41, and it is default that the size of perforate 41 can design needs according to actual production, this design, and perforate 41 can correspondence be held bullet ripple 2, for the vibration that plays ripple provides the space, avoids producing collision.
In addition, in this implementation process, magnetic circuit system comprises two independent parts, and this design can be processed respectively magnetic circuit system, is convenient to simplify production technology.
Embodiment two:
Extremely shown in Figure 8 as Fig. 6, moving-coil type electro-acoustic conversing device in the present embodiment is that with the main distinction of embodiment one structure of voice coil suspension 12 ' is different, voice coil tube 13 is set in the bottom of voice coil suspension 12 ', the top of voice coil suspension 12 ' is provided with two extensions 122 ' that extend to voice coil tube 13 outsides, two extensions 122 ' are provided with fixed leg 121 ', and corresponding the installation plays ripple 2.
This design of this implementation process, play the outside that ripple is arranged on voice coil tube, with voice coil tube be not the installation of upper and lower relation, on the basis of realizing embodiment one constructed effect, do not need on the product vertical direction to consider to play the ripple installation and vibrate needed space, thereby reduced the product height of moving-coil type electro-acoustic conversing device.
Embodiment three:
As shown in Figure 9, it is different that this implementation process and the main distinction of above-mentioned implementation process are to play wave structure, and this implementation process ripple 2 ' of being hit by a bullet is the racetrack structure.
This design can help the slimming of product design, further reduces the product size of moving-coil type electro-acoustic conversing device.
In the above-mentioned practical application, also be provided with wiring board 5 on the sidewall of shell 4 and be used for being electrically connected.In addition, in this implementation process, the basin frame also can be enclosed construction, implements the invention by voice coil suspension being extended to further designs such as magnetic circuit outside; Play ripple and also can be other shape, also can fix the neither enforcement that influences the invention by alternate manner and voice coil suspension and shell.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof
Claims (10)
1. moving-coil type electro-acoustic conversing device, it is a strip, comprising:
Vibrational system, described vibrational system comprise vibrating diaphragm and the drive part that combines with described vibrating diaphragm, and described drive part comprises voice coil tube and supports the voice coil suspension of described voice coil tube;
Magnetic circuit system, described magnetic circuit system comprise washer, magnet and the basin frame of combination from top to bottom;
Shell, described shell hold fixing described vibrational system and described magnetic circuit system;
It is characterized in that: the two ends of described voice coil suspension are respectively equipped with the bullet ripple, and the middle part of described bullet ripple is provided with first fixed part and the edge is provided with second fixed part, and described first fixed part is fixed on the described voice coil suspension, and described second fixed part is fixed on the described shell.
2. moving-coil type electro-acoustic conversing device as claimed in claim 1 is characterized in that: described basin frame is the grooved of both ends open; The two ends of described voice coil suspension reach the outside of described magnetic circuit system, and described voice coil tube is set in the bottom of described voice coil suspension, and described two first fixed parts that play ripple are fixed on the two ends of described voice coil suspension bottom.
3. moving-coil type electro-acoustic conversing device as claimed in claim 1, it is characterized in that: described voice coil tube is set in the bottom of described voice coil suspension, the top of described voice coil suspension is provided with two extensions that extend to the described voice coil tube outside, and described two first fixed parts that play ripple are fixed on described two extensions.
4. as the described moving-coil type electro-acoustic conversing device of the arbitrary claim of claim 1 to 3, it is characterized in that: the exterior contour of described bullet ripple is circle or racetrack.
5. moving-coil type electro-acoustic conversing device as claimed in claim 4 is characterized in that: described bullet ripple is a ring-type, and described first fixed part is the installing hole that the center is provided with; Described second fixed part is the Plane Installation portion that is arranged on the edge.
6. moving-coil type electro-acoustic conversing device as claimed in claim 5 is characterized in that: the section of described bullet ripple is wavy.
7. moving-coil type electro-acoustic conversing device as claimed in claim 1 is characterized in that: the two ends of described voice coil suspension are respectively arranged with fixed leg, and described fixed leg combines with first fixed part of described bullet ripple.
8. moving-coil type electro-acoustic conversing device as claimed in claim 1 is characterized in that: the pairing outer casing bottom of described bullet ripple is provided with perforate.
9. moving-coil type electro-acoustic conversing device as claimed in claim 1 is characterized in that: described bullet wavelength-division is unfixing with described shell and described voice coil suspension bonding.
10. moving-coil type electro-acoustic conversing device as claimed in claim 1 is characterized in that: described magnetic circuit system comprises two independent parts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120181315 CN202068566U (en) | 2011-05-31 | 2011-05-31 | Moving-coil electroacoustic converter |
| PCT/CN2011/080780 WO2012163003A1 (en) | 2011-05-31 | 2011-10-14 | Dynamic electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120181315 CN202068566U (en) | 2011-05-31 | 2011-05-31 | Moving-coil electroacoustic converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068566U true CN202068566U (en) | 2011-12-07 |
Family
ID=45062414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120181315 Expired - Lifetime CN202068566U (en) | 2011-05-31 | 2011-05-31 | Moving-coil electroacoustic converter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202068566U (en) |
| WO (1) | WO2012163003A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013026246A1 (en) * | 2011-08-19 | 2013-02-28 | 歌尔声学股份有限公司 | Moving-coil electroacoustic transducer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113423047B (en) * | 2021-06-11 | 2022-09-20 | 歌尔股份有限公司 | Elastic support piece and electronic device |
| CN117857990B (en) * | 2024-03-08 | 2024-05-17 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667712U (en) * | 2010-04-22 | 2010-12-08 | 歌尔声学股份有限公司 | Moving-coil type electroacoustic transducer |
| CN201657279U (en) * | 2010-05-18 | 2010-11-24 | 歌尔声学股份有限公司 | Moving coil type electroacoustic converter |
| CN201699967U (en) * | 2010-06-28 | 2011-01-05 | 歌尔声学股份有限公司 | Moving coil electro-acoustic transducer |
| CN102075835A (en) * | 2011-02-25 | 2011-05-25 | 惠州超声音响有限公司 | Electro-dynamic loudspeaker |
-
2011
- 2011-05-31 CN CN 201120181315 patent/CN202068566U/en not_active Expired - Lifetime
- 2011-10-14 WO PCT/CN2011/080780 patent/WO2012163003A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013026246A1 (en) * | 2011-08-19 | 2013-02-28 | 歌尔声学股份有限公司 | Moving-coil electroacoustic transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012163003A1 (en) | 2012-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
|
| CX01 | Expiry of patent term |