CN102685653B - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
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- CN102685653B CN102685653B CN201210129644.1A CN201210129644A CN102685653B CN 102685653 B CN102685653 B CN 102685653B CN 201210129644 A CN201210129644 A CN 201210129644A CN 102685653 B CN102685653 B CN 102685653B
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- voice coil
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- conductive board
- magnetic conductive
- loud speaker
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Abstract
The invention discloses a loudspeaker which comprises a vibration system, a magnetic circuit system and a shell. The vibration system and the magnetic circuit system are fixedly mounted by the shell, the vibration system comprises a diaphragm and a voice coil combined with the diaphragm, the magnetic circuit system is of a single magnetic circuit structure and comprises a washer, a magnet and a magnetic conduction plate which are sequentially combined from top to bottom, the voice coil is sleeved on the washer and the magnet, the magnetic conduction plate comprises a bottom plate, a side wall and a reinforcing portion for reinforcing magnetic conduction, the reinforcing portion is fixed onto the side wall and extends towards the washer, a mounting portion is arranged on the magnetic conduction plate, a damper is mounted at one end of the voice coil far away from the diaphragm, one end of the damper is fixed onto the voice coil, the other end of the damper is fixed onto the mounting portion, and the mounting portion and the shell are an integrated structure. By means of the design, polarization of the loudspeaker is avoided, and the centering function of the voice coil can be reinforced by the reinforcing portion.
Description
Technical field
The present invention relates to a kind of loud speaker, especially relate to a kind of highly sensitive, and can the loud speaker of anti-polarization.
Background technology
Along with the development of loudspeaker techniques, the range of application of speaker unit is more and more wider, and the requirement of people to speaker unit is more and more higher, and the sound performance of speaker unit also more and more receives the concern of people.
The loud speaker of conventional art, involving vibrations system, magnetic circuit system and the shell that vibrational system, magnetic circuit system are combined, the wherein vibrational system voice coil loudspeaker voice coil that comprises vibrating diaphragm and combine with vibrating diaphragm, this design, one end of voice coil loudspeaker voice coil is fixed on vibrating diaphragm, the other end is free state, and vibrational system can exist polarization problem, and particularly voice coil loudspeaker voice coil is away from one end of vibrating diaphragm; And this traditional structure, as voice coil loudspeaker voice coil is set in the magnetic conductive board of magnetic circuit system, the internal magnetic circuit structure of Magnet design, the sidewall of magnetic conductive board and magnetic conductive board, magnet formation closed magnetic path, magnetic flux is subject to certain restrictions, and is unfavorable for the raising of product acoustical behavior as sensitivity.
Therefore, be necessary to provide a kind of loud speaker to overcome the shortcoming of conventional loudspeakers.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of highly sensitive, and can prevent the loud speaker of polarization.
To achieve these goals, the present invention is by the following technical solutions:
A kind of loud speaker, comprises by vibrational system, magnetic circuit system and shell, and described vibrational system and magnetic circuit system are installed fixing by described shell; Described vibrational system comprise vibrating diaphragm and with the membrane-bound voice coil loudspeaker voice coil that shakes, described magnetic circuit system is single magnetic structure, comprise the washer, magnet and the magnetic conductive board that combine successively from top to bottom, described voice coil loudspeaker voice coil is set on described washer and magnet, and: described magnetic conductive board comprises base plate, sidewall and for strengthening the logical rib of magnetic conductance, and described rib is fixed on described sidewall and extends towards described washer; Described magnetic conductive board is provided with installation portion, and described voice coil loudspeaker voice coil is provided with damper away from one end of described vibrating diaphragm, and one end of described damper is fixed on described voice coil loudspeaker voice coil, and the other end is fixed on described installation portion, and described installation portion and described shell are structure as a whole.
Improve as one, described shell and described magnetic conductive board are integrated injection moulding design, and described magnetic conductive board is provided with opening, and the injection molding material of described shell enters the space that described magnetic conductive board surrounds and forms described installation portion.
Improve as one, described damper is loop configuration, comprises the first fixed part, the second fixed part and is connected the elasticity arm of described first fixed part and described second fixed part.
Improve as one, described elasticity arm interval between the first fixed part and the second fixed part is arranged.
Improve as one, the sidewall of described rib and described magnetic conductive board is structure as a whole.
Improve as one, described rib is independently magnetic-conductance portion.
Improve as one, described loud speaker is circular.
Owing to have employed technique scheme, by arranging damper at voice coil loudspeaker voice coil away from one end of described vibrating diaphragm, and on the sidewall of magnetic conductive board, be provided with rib be fixed on described sidewall, rib extends towards described washer.This design, avoids the polarization of loud speaker, and rib can strengthen the certralizing ability of voice coil loudspeaker voice coil, avoids producing polarization.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the embodiment of the present invention one loud speaker;
Fig. 2 is the profile of the embodiment of the present invention one loud speaker;
Fig. 3 is the structural representation of the embodiment of the present invention one speaker damper;
Fig. 4 is the structural representation of the embodiment of the present invention one loud speaker magnetic conductive board sidewall and rib;
Fig. 5 is the profile of the embodiment of the present invention two loud speaker.
Embodiment
Below in conjunction with accompanying drawing, introduce loud speaker of the present invention in detail.Should know, the following stated is only a concrete case study on implementation of the present invention, in order to the present invention to be described, is not limited to the present invention.
Embodiment one:
As Figure 1-Figure 4, the loud speaker that the present embodiment relates to, involving vibrations system, magnetic circuit system and shell 2, vibrational system and magnetic circuit system are installed fixing by shell 2; Vibrational system comprise vibrating diaphragm and with the membrane-bound voice coil loudspeaker voice coil 13 that shakes, magnetic circuit system is single magnetic structure, comprise the washer 31, magnet 32 and the magnetic conductive board that combine successively from top to bottom, voice coil loudspeaker voice coil 13 is set on washer 31 and magnet 32, wherein: magnetic conductive board comprises base plate 33a, sidewall 33b and for strengthening the logical rib 33c of magnetic conductance, rib 33c is fixed on sidewall 33b and extends towards washer 31; Magnetic conductive board is provided with installation portion 21, voice coil loudspeaker voice coil 13 is provided with damper 4 away from one end of vibrating diaphragm, and one end of damper 4 is fixed on voice coil loudspeaker voice coil 13, and the other end is fixed on installation portion 21.
This design, magnetic conductive board is provided with rib 33c, and rib 33c is fixed on sidewall 33b and extends towards washer 31, this design, under the design of identical magnetic circuit system, the magnetic flux of magnetic circuit system can be increased, and then the acoustical behavior such as sensitivity of product can be improved; Simultaneously owing to installing damper 4 at voice coil loudspeaker voice coil 13 away from one end of vibrating diaphragm, and damper 4 volume one end fixes on voice coil loudspeaker voice coil 13, the other end is fixed on installation portion 21, this design better can realize the certralizing ability to voice coil loudspeaker voice coil 13, the vibration preventing from it from producing departing from vertical direction and cause polarization etc. bad.
As preferred embodiment, the damper 4 in this implementation process wraps as loop configuration, comprises the first fixed part 41, second fixed part 43 and the elasticity arm 42 being connected the first fixed part 41 and the second fixed part 43.This damper, loop configuration and elasticity arm 42 design can realize good certralizing ability to voice coil loudspeaker voice coil 13,
Further, in this implementation process, the structure of preferred damper 4 is, elasticity arm 42 is arranged for being interrupted.This design, gas permeability is better.
As preferred embodiment, in the present embodiment, installation portion 21 and shell 2 are structure as a whole.This design, can be integrally formed installation portion 21 when making shell 2, designing more simple in production reality.
As further improvement, shell 2 and magnetic conductive board are integrated injection moulding design, and magnetic conductive board is provided with opening, and the injection molding material of shell 2 enters the space formation installation portion 21 that magnetic conductive board surrounds.By forming described installation portion 21 at shell 2 with during magnetic conductive board integrated injection molding technique, design more convenient.
As preferred embodiment, the sidewall 33b of rib 33c and magnetic conductive board is structure as a whole.Integrative-structure design can be actual one-body molded when making sidewall 33b according to production, and technique is more simple.
Embodiment two:
As shown in Figure 5, the main distinction of the present embodiment and embodiment one is, the structure of rib 33c is different, and in this implementation process, 33c becomes individual components.This design can realize the technique effect of above-described embodiment equally, and can select with feature according to the structure of magnetic conductive board and difficult processing, meets more Production design demand.In addition, in this implementation process, the design of installation portion 21 ' also improves, and neither affects the enforcement of the invention.
In the present embodiment, above-mentioned improvement is only preferred version, and rib 33c also can be a block permanent magnet, and its pole orientation is arranged perpendicular to sidewall 33b, also can realize the technique effect of the invention.
In above-mentioned implementation process, preferred loadspeaker structure is circular, and the loud speaker of circular configuration can better implement the invention.Above-mentioned improvement, is not limited to the present invention, as long as those of ordinary skill in the art modify or change according to the equivalence that disclosed content is done, all should include within the protection range recorded in claims.
Claims (5)
1. a loud speaker, comprises by vibrational system, magnetic circuit system and shell, and described vibrational system and magnetic circuit system are installed fixing by described shell; Described vibrational system comprise vibrating diaphragm and with the membrane-bound voice coil loudspeaker voice coil that shakes, described magnetic circuit system is single magnetic structure, comprise the washer, magnet and the magnetic conductive board that combine successively from top to bottom, described voice coil loudspeaker voice coil is set on described washer and magnet, it is characterized in that: described magnetic conductive board comprises base plate, sidewall and for strengthening the logical rib of magnetic conductance, and described rib is fixed on described sidewall and extends towards described washer; Described magnetic conductive board is provided with installation portion, and described voice coil loudspeaker voice coil is provided with damper away from one end of described vibrating diaphragm, and one end of described damper is fixed on described voice coil loudspeaker voice coil, and the other end is fixed on described installation portion, and described installation portion and described shell are structure as a whole; Described shell and described magnetic conductive board are integrated injection moulding design, and described magnetic conductive board is provided with opening, and the injection molding material of described shell enters the space that described magnetic conductive board surrounds and forms described installation portion; Described damper is loop configuration, comprises the first fixed part, the second fixed part and is connected the elasticity arm of described first fixed part and described second fixed part.
2. loud speaker according to claim 1, is characterized in that:
Described elasticity arm interval between the first fixed part and the second fixed part is arranged.
3. loud speaker according to claim 1, is characterized in that:
The sidewall of described rib and described magnetic conductive board is structure as a whole.
4. loud speaker according to claim 1, is characterized in that:
Described rib is independently magnetic-conductance portion.
5. the loud speaker according to the arbitrary claim of claim 1-4, is characterized in that:
Described loud speaker is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129644.1A CN102685653B (en) | 2012-04-28 | 2012-04-28 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129644.1A CN102685653B (en) | 2012-04-28 | 2012-04-28 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102685653A CN102685653A (en) | 2012-09-19 |
| CN102685653B true CN102685653B (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210129644.1A Active CN102685653B (en) | 2012-04-28 | 2012-04-28 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102685653B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469609B (en) * | 2014-10-21 | 2018-02-13 | 蔡旭钦 | Loudspeaker monomer, the loudspeaker module of magnetic system and the application magnetic system |
| TWI618420B (en) * | 2016-08-26 | 2018-03-11 | 富祐鴻科技股份有限公司 | Speaker structure |
| CN107801135B (en) * | 2016-09-02 | 2020-07-07 | 东莞顺合丰电业有限公司 | Loudspeaker structure |
| EP3725097B1 (en) * | 2017-12-11 | 2021-09-15 | Mayht Holding B.V. | Distributed transducer suspension cones (dtsc) |
| CN110366079B (en) * | 2019-07-30 | 2022-11-18 | 歌尔股份有限公司 | Sound producing device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2822083Y (en) * | 2005-08-30 | 2006-09-27 | 陈友余 | Inner magnet large voice coil flat plate speaker |
| CN2909757Y (en) * | 2006-03-28 | 2007-06-06 | 志佳多媒体股份有限公司 | Loudspeaker of high power low resonance frequency |
| CN201044506Y (en) * | 2007-04-28 | 2008-04-02 | 志佳多媒体股份有限公司 | High-capacity low-resonant frequency ultra-thin loudspeaker |
| CN201260240Y (en) * | 2008-08-21 | 2009-06-17 | 陈坚胜 | Loudspeaker with moving coil |
| CN201639761U (en) * | 2010-01-23 | 2010-11-17 | 歌尔声学股份有限公司 | Minitype moving-coil electroacoustic transducer |
| CN101924974A (en) * | 2009-06-12 | 2010-12-22 | 星电株式会社 | Loud speaker |
| CN201699956U (en) * | 2010-06-21 | 2011-01-05 | 大原博 | Fabric planar thin spider |
| CN202551338U (en) * | 2012-04-28 | 2012-11-21 | 歌尔声学股份有限公司 | Loudspeaker |
| CN202663534U (en) * | 2012-04-28 | 2013-01-09 | 歌尔声学股份有限公司 | Loudspeaker |
-
2012
- 2012-04-28 CN CN201210129644.1A patent/CN102685653B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2822083Y (en) * | 2005-08-30 | 2006-09-27 | 陈友余 | Inner magnet large voice coil flat plate speaker |
| CN2909757Y (en) * | 2006-03-28 | 2007-06-06 | 志佳多媒体股份有限公司 | Loudspeaker of high power low resonance frequency |
| CN201044506Y (en) * | 2007-04-28 | 2008-04-02 | 志佳多媒体股份有限公司 | High-capacity low-resonant frequency ultra-thin loudspeaker |
| CN201260240Y (en) * | 2008-08-21 | 2009-06-17 | 陈坚胜 | Loudspeaker with moving coil |
| CN101924974A (en) * | 2009-06-12 | 2010-12-22 | 星电株式会社 | Loud speaker |
| CN201639761U (en) * | 2010-01-23 | 2010-11-17 | 歌尔声学股份有限公司 | Minitype moving-coil electroacoustic transducer |
| CN201699956U (en) * | 2010-06-21 | 2011-01-05 | 大原博 | Fabric planar thin spider |
| CN202551338U (en) * | 2012-04-28 | 2012-11-21 | 歌尔声学股份有限公司 | Loudspeaker |
| CN202663534U (en) * | 2012-04-28 | 2013-01-09 | 歌尔声学股份有限公司 | Loudspeaker |
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| Publication number | Publication date |
|---|---|
| CN102685653A (en) | 2012-09-19 |
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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. |