CN102685653A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN102685653A CN102685653A CN2012101296441A CN201210129644A CN102685653A CN 102685653 A CN102685653 A CN 102685653A CN 2012101296441 A CN2012101296441 A CN 2012101296441A CN 201210129644 A CN201210129644 A CN 201210129644A CN 102685653 A CN102685653 A CN 102685653A
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- voice coil
- magnetic
- loud speaker
- conductive board
- magnetic conductive
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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 magnetic conduction plate, 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, and the other end of the damper is fixed onto the mounting portion. 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 be in case the loud speaker of polarization.
Background technology
Along with the development of loudspeaker techniques, the range of application of speaker unit is more and more wider, and people require increasingly highly to speaker unit, and the sound performance of speaker unit also more and more receives people's attention.
The loud speaker of conventional art; Involving vibrations system, magnetic circuit system and the shell that vibrational system, magnetic circuit system are combined, wherein vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that combines with vibrating diaphragm, this design; One end of voice coil loudspeaker voice coil is fixed on the vibrating diaphragm; The other end is free state, and can there be polarization problem, the particularly voice coil loudspeaker voice coil end away from vibrating diaphragm in vibrational system; And this traditional structure; Be set in the magnetic conductive board of magnetic circuit system, the internal magnetic circuit structure of magnet design like voice coil loudspeaker voice coil; The sidewall of magnetic conductive board and magnetic conductive board, magnet form closed flux path, and magnetic flux receives certain restriction, are unfavorable for the raising of product acoustical behavior such 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 provides a kind of highly sensitive, and can prevent the loud speaker of polarization.
To achieve these goals, the present invention adopts following technical scheme:
A kind of loud speaker comprises that by vibrational system, magnetic circuit system and shell, said shell installs and fixes said vibrational system and magnetic circuit system; Said vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that combines with vibrating diaphragm; Said magnetic circuit system is single magnetic structure; Comprise the washer, magnet and the magnetic conductive board that combine successively from top to bottom; Said voice coil loudspeaker voice coil is set on said washer and the magnet, and: said magnetic conductive board comprises base plate, sidewall and is used to strengthen the logical rib of magnetic conductance that said rib is fixed on said sidewall and extends towards said magnetic conductive board; Said magnetic conductive board is provided with installation portion, and said voice coil loudspeaker voice coil is equipped with damper away from an end of said vibrating diaphragm, and an end of said damper is fixed on the said voice coil loudspeaker voice coil, and the other end is fixed on the said installation portion.
As a kind of improvement, said installation portion and said shell are structure as a whole.
As a kind of improvement, said shell and said magnetic conductive board are one injection moulding design, and said magnetic conductive board is provided with opening, and the injection molding material of said shell gets into the space that said magnetic conductive board surrounds and forms said installation portion.
As a kind of improvement, said damper is a loop configuration, comprises first fixed part, second fixed part and is connected the elasticity arm of said first fixed part and said second fixed part.
As a kind of improvement, said elasticity arm is provided with between first fixed part and second fixed part at interval.
As a kind of improvement, the sidewall of said rib and said magnetic conductive board is structure as a whole.
As a kind of improvement, said rib is magnetic conduction portion independently.
As a kind of improvement, said loud speaker is circular.
Owing to adopted technique scheme, through away from an end of said vibrating diaphragm damper being set at voice coil loudspeaker voice coil, and the sidewall of magnetic conductive board is provided with rib and is fixed on said sidewall, and rib extends towards said magnetic conductive board.The polarization of loud speaker has been avoided in this design, and rib can strengthen the centering effect of voice coil loudspeaker voice coil, avoids producing polarization.
Description of drawings
Fig. 1 is the decomposing schematic representation of the embodiment of the invention one loud speaker.
Fig. 2 is the profile of the embodiment of the invention one loud speaker.
Fig. 3 is the structural representation of the embodiment of the invention one speaker damper.
Fig. 4 is the structural representation of the embodiment of the invention one loud speaker magnetic conductive board sidewall and rib.
Fig. 5 is the profile of the embodiment of the invention two loud speakers.
Embodiment
Below in conjunction with accompanying drawing, introduce loud speaker of the present invention in detail.Should know, the following stated is merely a practical implementation case of the present invention, in order to explanation the present invention, is not limited to the present invention.
Embodiment one:
Like Fig. 1-shown in Figure 4, the loud speaker that present embodiment relates to, involving vibrations system, magnetic circuit
System and shell 2, shell 2 installs and fixes vibrational system and magnetic circuit system; The voice coil loudspeaker voice coil 13 that vibrational system comprises vibrating diaphragm and combines with vibrating diaphragm; 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 the magnet 32, wherein: magnetic conductive board comprises base plate 33a, sidewall 33b and is used to strengthen the logical rib 33c of magnetic conductance that rib 33c is fixed on sidewall 33b and extends towards magnetic conductive board 31; Magnetic conductive board 31 is provided with installation portion 21, and voice coil loudspeaker voice coil 13 is equipped with damper 4 away from an end of vibrating diaphragm, and an end of damper 4 is fixed on the voice coil loudspeaker voice coil 13, and the other end is fixed on the installation portion 21.
This design is equipped with rib 33c on magnetic conductive board 31, rib 33c is fixed on sidewall 33b and extends towards magnetic conductive board 31; This design; Under identical magnetic circuit system design, can increase the magnetic flux of magnetic circuit system, and then can improve the acoustical behavioies such as sensitivity of product; Simultaneously owing to away from an end of vibrating diaphragm damper 4 is installed at voice coil loudspeaker voice coil 13; And damper 4 volumes one end fixes on the voice coil loudspeaker voice coil 13; The other end is fixed on the installation portion 21; This design can better realize the centering effect to voice coil loudspeaker voice coil 13, prevents that its generation from departing from the vibration of vertical direction and cause polarization etc. bad.
As embodiment preferred, damper in this implementation process 4 bags are loop configuration, comprise first fixed part 41, second fixed part 43 and the elasticity arm 42 that is connected first fixed part 41 and second fixed part 43.This damper, loop configuration and elasticity arm 42 designs can realize centering effect preferably to voice coil loudspeaker voice coil 13, further, the structure of preferred damper 4 is that elasticity arm 42 is for being interrupted setting in this implementation process.This design, gas permeability is better.
As embodiment preferred, installation portion 21 is structure as a whole with shell 2 in the present embodiment.This design can integrally formed installation portion 21 when making shell 2 in production reality, designs more simple.
As further improvement, shell 2 is one injection moulding design with magnetic conductive board, and magnetic conductive board is provided with opening, the space formation installation portion 21 that the injection molding material entering magnetic conductive board of shell 2 surrounds.Through forming said installation portion 21 during with magnetic conductive board one Shooting Technique, design more convenient at shell 2.
As embodiment preferred, the sidewall 33b of rib 33c and magnetic conductive board is structure as a whole.The integrative-structure design can be actual one-body molded when making sidewall 33b according to producing, and technology is more simple.
Embodiment two:
As shown in Figure 5, this embodiment is that with the main distinction of embodiment one structure of rib 33c is different, and 33c becomes individual components in this implementation process.This design can realize the technique effect of the foregoing description equally, and can select with characteristics according to the structure and the difficult processing of magnetic conductive board, has satisfied more production design requirement.In addition, the design of installation portion 21 ' also improves in this implementation process, the neither enforcement that influences the invention.
In the present embodiment, above-mentioned improvement is merely preferred version, and rib 33c also can be a block permanent magnet, and its pole orientation is provided with 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 embodiment of the present invention be created.Above-mentioned improvement is not limited to the present invention, as long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include within the protection range of putting down in writing in claims.
Claims (8)
1. a loud speaker comprises that by vibrational system, magnetic circuit system and shell, said shell installs and fixes said vibrational system and magnetic circuit system; Said vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that combines with vibrating diaphragm; Said magnetic circuit system is single magnetic structure; Comprise the washer, magnet and the magnetic conductive board that combine successively from top to bottom; Said voice coil loudspeaker voice coil is set on said washer and the magnet, it is characterized in that: said magnetic conductive board comprises base plate, sidewall and is used to strengthen the logical rib of magnetic conductance that said rib is fixed on said sidewall and extends towards said magnetic conductive board; Said magnetic conductive board is provided with installation portion, and said voice coil loudspeaker voice coil is equipped with damper away from an end of said vibrating diaphragm, and an end of said damper is fixed on the said voice coil loudspeaker voice coil, and the other end is fixed on the said installation portion.
2. loud speaker according to claim 1 is characterized in that:
Said installation portion and said shell are structure as a whole.
3. loud speaker according to claim 2 is characterized in that:
Said shell and said magnetic conductive board are one injection moulding design, and said magnetic conductive board is provided with opening, and the injection molding material of said shell gets into the space that said magnetic conductive board surrounds and forms said installation portion.
4. loud speaker according to claim 1 is characterized in that:
Said damper is a loop configuration, comprises first fixed part, second fixed part and is connected the elasticity arm of said first fixed part and said second fixed part.
5. loud speaker according to claim 3 is characterized in that:
Said elasticity arm is provided with between first fixed part and second fixed part at interval.
6. loud speaker according to claim 1 is characterized in that:
The sidewall of said rib and said magnetic conductive board is structure as a whole.
7. loud speaker according to claim 1 is characterized in that:
Said rib is magnetic conduction portion independently.
8. according to the described loud speaker of the arbitrary claim of claim 1-7, it is characterized in that:
Said 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 true CN102685653A (en) | 2012-09-19 |
| CN102685653B 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469609A (en) * | 2014-10-21 | 2015-03-25 | 蔡旭钦 | Magnetic system and loudspeaker monomer and loudspeaker module applying same |
| TWI618420B (en) * | 2016-08-26 | 2018-03-11 | 富祐鴻科技股份有限公司 | Speaker structure |
| CN107801135A (en) * | 2016-09-02 | 2018-03-13 | 富祐鸿科技股份有限公司 | Loadspeaker structure |
| CN110366079A (en) * | 2019-07-30 | 2019-10-22 | 歌尔股份有限公司 | Sounding device |
| CN111543067A (en) * | 2017-12-11 | 2020-08-14 | 迈特控股有限公司 | Distributed Transducer Suspension Cone (DTSC) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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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 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469609A (en) * | 2014-10-21 | 2015-03-25 | 蔡旭钦 | Magnetic system and loudspeaker monomer and loudspeaker module applying same |
| 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 |
| CN107801135A (en) * | 2016-09-02 | 2018-03-13 | 富祐鸿科技股份有限公司 | Loadspeaker structure |
| CN111543067A (en) * | 2017-12-11 | 2020-08-14 | 迈特控股有限公司 | Distributed Transducer Suspension Cone (DTSC) |
| CN111543067B (en) * | 2017-12-11 | 2022-01-07 | 迈特控股有限公司 | Distributed Transducer Suspension Cone (DTSC) |
| CN110366079A (en) * | 2019-07-30 | 2019-10-22 | 歌尔股份有限公司 | Sounding device |
| US12058505B2 (en) | 2019-07-30 | 2024-08-06 | Goertek Inc. | Sounding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102685653B (en) | 2015-04-22 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| 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. |