CN103248986A - Loudspeaker device - Google Patents
Loudspeaker device Download PDFInfo
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- CN103248986A CN103248986A CN2012100224554A CN201210022455A CN103248986A CN 103248986 A CN103248986 A CN 103248986A CN 2012100224554 A CN2012100224554 A CN 2012100224554A CN 201210022455 A CN201210022455 A CN 201210022455A CN 103248986 A CN103248986 A CN 103248986A
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- vibrating diaphragm
- iron core
- speaker unit
- coil
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Abstract
The invention relates to a loudspeaker device which is characterized by comprising an iron core (1), a coil (2), and a vibrating diaphragm (3), wherein the coil (2) is wound on the iron core (1) to form an excitation device close to the vibrating diaphragm (3); and a gap (4) is reserved between the excitation device and the vibrating diaphragm (3). According to the invention, the magnet is avoided, which makes the size of the loudspeaker smaller and reduces the cost, and the requirements of miniaturization and thinning are met. Moreover, the loudspeaker without the magnet can be made in the shape of a round, square, or others, has no limitation on shapes and has a wider application range. The loudspeaker, which is composed of the iron core, the coil and the vibrating diaphragm, is less in members, simplifies the structure, is easy to assemble, facilitates automatic production, and improves the product yield.
Description
Technical field
The present invention relates to a kind of speaker unit, more particularly, relate to a kind of speaker unit that can be used to sounding and magnet need not be set.
Background technology
Along with science and technology is constantly progressive, towards the trend development of light and handy miniaturization, people can use the electronic product of miniaturization, Source Music or walkman etc. whenever and wherever possible to electronic product invariably.In addition, because day by day the popularizing of personal digital product, for example common MP3 walkman, mobile phone, personal digital assistant (PDA) or notebook computer etc. are indispensable in the daily life especially.
In order to allow the user listen to the sound information that electronic product provides under the situation of not disturbing other people, earphone has become the necessary accessory of electronic product.Loud speaker is called loudspeaker again, can be used to sounding, is element indispensable in the electronic products such as earphone.The structure of loud speaker mainly is to inhale by coil to put magnet, promotes the forward and backward movement of eardrum.If make coil that electric current be arranged, do not have electric current with a certain frequency, just can make loud speaker send the sound of this frequency.
Magnet is the indispensable element of loud speaker, and relative meeting causes the increase of loud speaker cost, and magnet occupies certain space, also can make the whole volume of loud speaker become big, is difficult to reach the requirement of Modern Electronic product microminiaturization and slimming.Moreover the magnet of known loud speaker can only be made as circle, and its application is restricted.
Summary of the invention
The technical problem to be solved in the present invention is that the above-mentioned defective at prior art provides a kind of speaker unit.The object of the present invention is to provide a kind of speaker unit, can omit the setting of magnet, the loud speaker volume is diminished.Need not use magnet, profile is unrestricted, uses comparatively extensive.Can make designs simplification, assembling easily.
To achieve these goals, the technical solution adopted for the present invention to solve the technical problems is: construct a kind of speaker unit, comprising:
One iron core;
One coil, this coil are wound on the described iron core and constitute a magnetizer; And a vibrating diaphragm, the adjacent setting with described magnetizer of this vibrating diaphragm is formed with the gap between described magnetizer and the described vibrating diaphragm.
Described vibrating diaphragm is provided with a junction, and this connecting portion is connected with described iron core.
Described connecting portion is extended by the bending of described vibrating diaphragm edge, and an end of described connecting portion is fixed in described iron core.
Described vibrating diaphragm edge is provided with a coating portion at least, and this coating portion is positioned at the periphery of described magnetizer.
Described coating portion is extended by the bending of described vibrating diaphragm edge.
Described iron core, coil and described vibrating diaphragm outside are coated with a shell.
Described vibrating diaphragm is a sheet metal.
The profile of described vibrating diaphragm is corresponding with the profile of described iron core.
The rounded ring body of described iron core, the lamellar body that described vibrating diaphragm is rounded.
The described iron core body that is square, the lamellar body that described vibrating diaphragm is square.
Described vibrating diaphragm is the magnetization element.
The present invention has following useful effect: loud speaker of the present invention omits the setting of magnet, can make cost reduction, smaller volume, in order to reach the requirement of microminiaturization and slimming; Loud speaker of the present invention need not use magnet, so loud speaker can be made as circle, square or other shape, and profile is unrestricted, uses comparatively extensive; Loud speaker of the present invention is made of iron core, coil and vibrating diaphragm, and member is less, can make designs simplification, and assembling is easy, and convenient automated production improves the product yield.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the stereogram of speaker unit first embodiment of the present invention;
Fig. 2 is the front view of speaker unit first embodiment of the present invention;
Fig. 3 is the end view of speaker unit first embodiment of the present invention;
Fig. 4 is the stereogram of speaker unit second embodiment of the present invention;
Fig. 5 is the front view of speaker unit second embodiment of the present invention;
Fig. 6 is the end view of speaker unit second embodiment of the present invention;
Fig. 7 is the stereogram of speaker unit the 3rd embodiment of the present invention;
Fig. 8 is the front view of speaker unit the 3rd embodiment of the present invention;
Fig. 9 is the end view of speaker unit the 3rd embodiment of the present invention;
Figure 10 is the stereogram of speaker unit the 4th embodiment of the present invention.
Drawing reference numeral
(the present invention)
1 iron core
2 coils
3 vibrating diaphragms
4 gaps
5 shells
21 joints
22 joints
31 connecting portions
32 coating portions
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
Embodiment 1
See also Fig. 1 to Fig. 3, disclose first embodiment of speaker unit of the present invention, loud speaker of the present invention (loudspeaker) device can be applicable in the various devices such as earphone, audio amplifier, electronic product, this speaker unit includes an iron core 1, a coil 2 and a vibrating diaphragm 3, iron core 1 wherein is the iron core of silicon steel sheet or stamping of powder, iron core 1 rounded ring body or square body, iron core 1 also can be other shape.Structure and the shape of iron core 1 do not limit, can suitably change in response to needs, in the present embodiment, iron core 1 rounded ring body.
Vibrating diaphragm 3 is a slim lamellar body, and it is made with sheet metals such as iron plates, but the material of vibrating diaphragm 3 and thickness do not limit, and is good with the good material of magnetic susceptibility.The shape of vibrating diaphragm 3 can be corresponding with iron core 1, in the present embodiment, and the lamellar body that the profile of vibrating diaphragm 3 is corresponding and rounded with the profile of iron core 1, and vibrating diaphragm 3 can form wavy.Vibrating diaphragm 3 and the adjacent setting of magnetizer (comprising iron core 1 and coil 2), and between magnetizer (comprising iron core 1 and coil 2) and vibrating diaphragm 3, be formed with a gap 4, but the size in gap 4 does not limit, that is the size in the material of vibrating diaphragm 3, thickness and gap 4 all can suitably change, use producing different tonequality, can be in order to change loud speakers such as high pitch, middle pitch, bass and gamut.Vibrating diaphragm 3 also can be magnetized, and makes vibrating diaphragm 3 form the magnetization element.
Vibrating diaphragm 3 can be connected in iron core 1 further, makes iron core 1, coil 2 and vibrating diaphragm 3 form a module.In the present embodiment, vibrating diaphragm 3 is to be connected in iron core 1 with a junction 31, that is connecting portion 31 extends by vibrating diaphragm 3 edges bendings, and with connecting portion 31 1 ends with riveted joint, rabbet or mode such as be spirally connected is fixed in iron core 1, make vibrating diaphragm 3 be connected in iron core 1.Vibrating diaphragm 3 also can be fixed on shell or other devices if be not attached to iron core 1.
Speaker unit of the present invention in use, but input current can make magnetizer (comprising iron core 1 and coil 2) produce magnetic field to coil 2, magneticaction is in vibrating diaphragm 3, in order to promote vibrating diaphragm 3 forward and backward vibrations, cause sound wave or air-flow, loud speaker is sounded.
See also Fig. 4 to Fig. 6, disclose second embodiment of speaker unit of the present invention, in the present embodiment, vibrating diaphragm 3 edges further are provided with at least one coating portion 32, that is coating portion 32 extended by vibrating diaphragm 3 edges bendings, and coating portion 32 is provided with several, and coating portion 32 can form circular-arc, but the shape of coating portion 32 does not limit, and can suitably change in response to needs.Those coating portions 32 are positioned at the magnetizer periphery of (comprising iron core 1 and coil 2), can make magnetic force strengthen concentrating.
See also Fig. 7 to Fig. 9, in the present embodiment, iron core 1 body that is square, coil 2 is wound on the iron core 1 of the body that is square, and constitutes a magnetizer that is square body.The lamellar body that vibrating diaphragm 3 is square, several coating portions 32 are extended in the bending of vibrating diaphragm 3 edges, and those coating portions 32 are positioned at the magnetizer periphery of (comprising iron core 1 and coil 2), can make magnetic force strengthen concentrating.
Embodiment 4
See also Figure 10, further be coated with a shell 5 in iron core 1, coil 2 and vibrating diaphragm 3 outsides in this enforcement, shell 5 can be coated iron core 1, coil 2 and vibrating diaphragm 3, uses to form sound chamber altogether, and the tonequality that loud speaker is produced is better.Can be provided with the sender (not shown) on the shell 5, so that sound is spread out of.
Loud speaker of the present invention can omit the setting of magnet, and the loud speaker cost is reduced, and can make the whole smaller volume of loud speaker, in order to reach the requirement of microminiaturization and slimming.Moreover loud speaker of the present invention need not use magnet, so loud speaker can be made as circle, square or its her shape, and profile is unrestricted, uses comparatively extensive.In addition, loud speaker of the present invention is made of iron core, coil and vibrating diaphragm, and member is less, can make designs simplification, and assembling is easy, and is convenient to automated production, and the product yield is improved.
Although disclose by the present invention of above embodiment, protection scope of the present invention is not limited thereto, and is not departing under the condition of the present invention design, and the distortion that above each member is done, replacement etc. all will fall in the claim scope of the present invention.
Claims (11)
1. a speaker unit is characterized in that, comprising:
One iron core (1);
One coil (2), this coil (2) are wound in described iron core (1) and upward constitute a magnetizer; And a vibrating diaphragm (3), the adjacent setting with described magnetizer of this vibrating diaphragm (3) is formed with gap (4) between described magnetizer and the described vibrating diaphragm (3).
2. speaker unit according to claim 1 is characterized in that, described vibrating diaphragm (3) is provided with a junction (31), and this connecting portion (31) is connected with described iron core (1).
3. speaker unit according to claim 2 is characterized in that, described connecting portion (31) is extended by the bending of described vibrating diaphragm (3) edge, and an end of described connecting portion (31) is fixed in described iron core (1).
4. speaker unit according to claim 1 is characterized in that, described vibrating diaphragm (3) edge is provided with a coating portion (32) at least, and this coating portion (32) is positioned at the periphery of described magnetizer.
5. speaker unit according to claim 4 is characterized in that, described coating portion (32) is extended by the bending of described vibrating diaphragm (3) edge.
6. speaker unit according to claim 1 is characterized in that, described iron core (1), coil (2) and described vibrating diaphragm (3) outside are coated with a shell (5).
7. speaker unit according to claim 1 is characterized in that, described vibrating diaphragm (3) is a sheet metal.
8. speaker unit according to claim 1 is characterized in that, the profile of described vibrating diaphragm (3) is corresponding with the profile of described iron core (1).
9. speaker unit according to claim 1 is characterized in that, the rounded ring body of described iron core (1), the rounded lamellar body of described vibrating diaphragm (3).
10. speaker unit according to claim 1 is characterized in that, described iron core (1) body that is square, the lamellar body that described vibrating diaphragm (3) is square.
11. speaker unit according to claim 1 is characterized in that, described vibrating diaphragm (3) is the magnetization element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100224554A CN103248986A (en) | 2012-02-01 | 2012-02-01 | Loudspeaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100224554A CN103248986A (en) | 2012-02-01 | 2012-02-01 | Loudspeaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103248986A true CN103248986A (en) | 2013-08-14 |
Family
ID=48928165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100224554A Pending CN103248986A (en) | 2012-02-01 | 2012-02-01 | Loudspeaker device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103248986A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115486A (en) * | 1994-02-25 | 1996-01-24 | 星精密株式会社 | Electro-magnetic acoustic exchanger and method for winding coil of same |
| EP1489881A1 (en) * | 2002-02-28 | 2004-12-22 | The Furukawa Electric Co., Ltd. | Planar speaker |
| CN201509281U (en) * | 2009-08-24 | 2010-06-16 | 东莞市嘉豪磁性制品有限公司 | Ultra-thin loudspeaker structure |
| CN102045626A (en) * | 2011-01-18 | 2011-05-04 | 吴宗汉 | Moving-magnetic type ultrathin telephone receiver |
-
2012
- 2012-02-01 CN CN2012100224554A patent/CN103248986A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115486A (en) * | 1994-02-25 | 1996-01-24 | 星精密株式会社 | Electro-magnetic acoustic exchanger and method for winding coil of same |
| EP1489881A1 (en) * | 2002-02-28 | 2004-12-22 | The Furukawa Electric Co., Ltd. | Planar speaker |
| CN201509281U (en) * | 2009-08-24 | 2010-06-16 | 东莞市嘉豪磁性制品有限公司 | Ultra-thin loudspeaker structure |
| CN102045626A (en) * | 2011-01-18 | 2011-05-04 | 吴宗汉 | Moving-magnetic type ultrathin telephone receiver |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20130814 |