CN107801135B - Loudspeaker structure - Google Patents
Loudspeaker structure Download PDFInfo
- Publication number
- CN107801135B CN107801135B CN201610800837.3A CN201610800837A CN107801135B CN 107801135 B CN107801135 B CN 107801135B CN 201610800837 A CN201610800837 A CN 201610800837A CN 107801135 B CN107801135 B CN 107801135B
- Authority
- CN
- China
- Prior art keywords
- voice coil
- magnetic
- connecting unit
- elastic
- support
- 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 - Fee Related
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Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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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
A loudspeaker structure comprises a diaphragm; the top of the voice coil is connected with the bottom of the vibrating diaphragm; the magnetic return assembly is provided with a magnetic gap and a plurality of gaps, and the voice coil is arranged in the magnetic gap; the bracket is connected between the vibrating diaphragm and the magnetic return component; the elastic supporting part is provided with a voice coil connecting unit, a support connecting unit and a plurality of elastic connecting units, the elastic connecting units are symmetrically connected between the voice coil connecting unit and the support connecting unit, the voice coil connecting unit is arranged in a magnetic gap and connected to the bottom of the voice coil, the elastic connecting unit is arranged in a notch, and the support connecting unit is connected to the support.
Description
Technical Field
The present invention relates to a speaker structure, and more particularly, to a speaker structure that can maintain a vertical movement of a voice coil even in a large vibration stroke, thereby reducing various problems caused by horizontal deviation of the voice coil.
Background
The speaker is roughly divided into a vibration structure and a fixed structure, the vibration structure refers to each component that actually generates vibration during the process of converting an externally input sound source signal into mechanical vibration, and includes components such as a voice coil and a diaphragm, and the fixed structure refers to a component that does not substantially generate vibration during the vibration process, and includes a support, a magnet guide piece, and the like. When the electric energy of the input electronic signal is larger, the power of the loudspeaker is larger, the vibration stroke of the voice coil is larger, and therefore the vibration stroke of the vibrating diaphragm is larger, and the generated volume is larger. Therefore, in order to generate a large sound volume in the speaker, the vibration stroke of the voice coil must be large. However, when the power of the speaker is higher, the voice coil tends to deviate from the axis to cause polarization, so that the voice is distorted slightly, and the voice may touch other components of the speaker to generate abnormal sound, or even cause damage.
Therefore, it is an objective of the present invention to provide a speaker structure that can maintain the vertical movement of the voice coil even under a large vibration stroke, so as to reduce various problems caused by the horizontal deviation of the voice coil.
Disclosure of Invention
The inventor feels that the above-mentioned drawbacks of the prior art are not perfect, and therefore, the inventor is careful to study and overcome the above-mentioned drawbacks, and further develops a speaker structure, which is expected to achieve the purpose of enabling the voice coil to maintain vertical movement even under a larger vibration stroke, so as to reduce various problems caused by horizontal deviation of the voice coil.
In order to achieve the above and other objects, the present invention provides a speaker structure, comprising: vibrating diaphragm; the top of the voice coil is connected to the bottom of the vibrating diaphragm; the magnetic return assembly is provided with a magnetic gap and a plurality of gaps, and the voice coil is arranged in the magnetic gap; the bracket is connected between the vibrating diaphragm and the magnetic return component; and the elastic supporting part is provided with a voice coil connecting unit, a support connecting unit and a plurality of elastic connecting units, the elastic connecting units are symmetrically connected between the voice coil connecting unit and the support connecting unit, the voice coil connecting unit is arranged in the magnetic gap and connected to the bottom of the voice coil, the elastic connecting units are respectively arranged in the gap, and the support connecting unit is connected to the support.
In the speaker structure, the elastic supporting portion is a flexible printed circuit board.
In the loudspeaker structure, the number of the notches is four or two, and the positions of the notches are symmetrical to each other.
In the above speaker structure, the cross section of the magnetic return component is rectangular or square, the notches are located at the corners or edges of the cross section of the magnetic return component, and the positions of the notches are symmetrical to each other.
In the above speaker structure, the magnetic return component has a magnetic conductive box body, a magnet and an upper magnetic conductor, the magnet is arranged on the bottom surface in the magnetic conductive box body, the upper magnetic conductor is arranged on the magnet, the magnetic gap is located between the upper magnetic conductor and the magnet and the magnetic conductive box body, the cross section of the magnetic conductive box body is rectangular or square, the gap is located at the corner or edge of the cross section of the magnetic conductive box body, and the positions of the gap are symmetrical to each other.
In the above speaker structure, the speaker further includes a plurality of inner electrical connectors disposed in the elastic connection unit, the voice coil connection unit, or the notch to electrically connect the voice coil.
In the above speaker structure, the speaker structure further includes a plurality of external electrical connectors disposed on the frame connecting unit to electrically connect the internal electrical connectors, respectively.
In the speaker structure, the bottom of the support is provided with a plurality of positioning columns, the support connecting unit is provided with a plurality of positioning holes, the support connecting unit is connected to the bottom of the support, and the positioning columns are respectively arranged in the positioning holes.
In the above speaker structure, the elastic connection units are respectively S-shaped.
Therefore, the loudspeaker structure of the invention can ensure that the voice coil can still maintain the action in the vertical direction even under a larger vibration stroke, thereby reducing various problems caused by the horizontal deviation of the voice coil.
Drawings
FIG. 1 is an exploded view of a diaphragm, a support, a voice coil, an elastic support and a magnetic return element according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the assembly of the support, the voice coil, the elastic support and the magnetic return element according to the preferred embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a top view of FIG. 2;
FIG. 5 is a bottom view of FIG. 2;
FIG. 6 is a schematic diagram of a diaphragm, a bracket and a gyromagnetic assembly according to a preferred embodiment of the present invention;
FIG. 7 is a first schematic view of the combination of the voice coil and the elastic support portion according to the preferred embodiment of the invention;
FIG. 8 is a second schematic view of the voice coil and the elastic support according to the preferred embodiment of the present invention;
FIG. 9 is a first schematic view of the assembly of the voice coil, the elastic support and the support according to the preferred embodiment of the present invention;
fig. 10 is a second schematic view of the combination of the voice coil, the elastic support portion and the support according to the preferred embodiment of the invention.
[ notation ] to show
1 Voice coil
2 magnetic return assembly
21 magnetic conduction box
211 gap
22 magnet
23 upper magnetizer
24 magnetic gap
3 support
31 locating column
4 elastic support part
41 Voice coil connection unit
42 bracket connection unit
421U-shaped connector
4211 locating hole
43 elastic connection unit
44 internal electrical connector
45 outer electric connector
5 diaphragm
Detailed Description
For a fuller understanding of the objects, features and effects of the present invention, reference should now be made to the following detailed description taken in conjunction with the accompanying drawings, in which:
referring to fig. 1 to 6, as shown in the drawings, the present invention provides a speaker structure, which includes a diaphragm 5, a voice coil 1, a magneto-rheological element 2, a support 3 and an elastic support portion 4. Wherein, the diaphragm 5 can be rectangular, square, circular or other geometric shapes; the voice coil 1 can be a rectangular ring body, a square ring body, a circular ring body or a ring body with other geometric shapes, and the periphery of the top of the voice coil 1 can be connected to the bottom of the vibrating diaphragm 5 through a colloid; the magneto-rheological element 2 has a magnetic gap 24 and a plurality of notches 211 (air vents), the number of the notches 211 can be four (or two), and the positions of the notches 211 are symmetrical to each other, for example, the positions of the notches 211 can be symmetrical to the center or the middle line of the magneto-rheological element 2, and the voice coil 1 is disposed in the magnetic gap 24; in addition, the cross section of the magnetic return element 2 may be rectangular (or square or other geometric shape), the notches 211 may be located at the corners (or sides or arcs) of the cross section of the magnetic return element 2, and the positions of the notches 211 are symmetrical to each other, for example, the positions of the notches 211 may be symmetrical to the center or middle line of the magnetic return element 2; furthermore, the magnetic return component 2 can be a single magnetic design with only magnet (or a multi-magnetic design with multiple magnets) and has a magnetic conductive box 21, a magnet 22 and an upper magnetic conductor 23, the magnet 22 is disposed on the bottom surface of the magnetic box 21, the upper magnetizer 23 is disposed on the magnet 22, the magnetic gap 24 is located between the upper magnetizer 23 and the magnet 22 and the magnetic conductive box 21 and can be a ring rectangle (or a ring square, a ring shape or other geometric ring shape), the cross sections of the upper magnetizer 23 and the magnet 22 may be rectangular (or square or other geometric shapes), the cross section of the magnetic conductive box body 21 may be rectangular (or square or other geometric shapes), the notches 211 may be located at corners (or sides or arcs) of the cross section of the magnetic conductive box body 21, the positions of the notches 211 are symmetrical to each other, for example, the position of the gap 211 may be symmetrical to the center or the central line of the magnetically conductive box body 21; the bracket 3 is connected between the diaphragm 5 and the gyromagnetic component 2, and the top periphery of the bracket 3 is connected with the bottom periphery of the diaphragm 5; the elastic support portion 4 may be a flexible printed circuit board and has a voice coil connection unit 41, a support connection unit 42 and a plurality of elastic connection units 43, the elastic connection units 43 are symmetrically connected between the voice coil connection unit 41 and the support connection unit 42, for example, the position of the elastic connection unit 43 may be symmetrical to the center or the central line of the voice coil connection unit 41, or may be symmetrical to the center or the central line of the support connection unit 42, the voice coil connection unit 41 is disposed in the magnetic gap 24 and connected to the bottom of the voice coil 1, the elastic connection units 43 are respectively disposed in the notches 211 (air vents), and the support connection unit 42 is connected to the support 3.
As described above, the speaker structure of the present invention can be disposed in the magnetic gap 24 and connected to the bottom of the voice coil 1 through the voice coil connection unit 41, and the support connection unit 42 is connected to the support 3 and the elastic connection unit 43 and symmetrically connected between the voice coil connection unit 41 and the support connection unit 42 through the notches 211 (air vents), respectively, so that the voice coil 1 is limited to operate in the horizontal direction, and the voice coil 1 can maintain the vertical operation even under a large vibration stroke, thereby reducing various problems caused by the horizontal deviation of the voice coil 1.
Referring to fig. 7, as shown in the figure, the speaker structure may further include a plurality of inner electrical connectors 44 respectively disposed on the top of the elastic connection unit 43 (or protruding from the voice coil connection unit 41 or disposed in the notch 211) for soldering two leads (not shown) of the voice coil 1, where the inner electrical connectors 44 may be solder joints respectively. In addition, the number and the position of the inner electrical connectors 44 can be configured according to the actual requirement, in fig. 7, the number of the inner electrical connectors 44 is two and is symmetrically disposed on the top of the elastic connection unit 43, and the two leads of the voice coil 1 can be respectively welded to the inner electrical connectors 44. Therefore, the inner electrical connector 44 can eliminate the need for extending and welding the two leads of the voice coil 1 to external electrical contacts, thereby reducing the risk of breakage of the voice coil 1 due to large-amplitude and high-speed vibration of the voice coil 1 when the two leads of the voice coil 1 are too long.
Referring to fig. 7 and 8, as shown in the drawings, the speaker structure may further include a plurality of outer electrical connectors 45 disposed at the bottom of the support frame connecting unit 42 to electrically connect the inner electrical connectors 44 via the leads (not shown) of the elastic connecting unit 43 (or the leads of the elastic connecting unit 43 and the leads of the voice coil connecting unit 41), respectively, the leads may be disposed in the elastic connecting unit 43, such as traces of a flexible printed circuit board, and the outer electrical connectors 45 may be solder points, respectively. In addition, the external electrical connector 45 can be soldered to an external input audio signal lead (not shown). Furthermore, the number and position of the outer electrical connectors 45 can be configured according to actual requirements, in fig. 8, the number of the outer electrical connectors 45 is two and is symmetrically disposed at the bottom of the support connecting unit 42, after two leads (not shown) of the voice coil 1 are respectively welded to the two inner electrical connectors 44, the inner electrical connectors 44 can be respectively electrically connected to the outer electrical connectors 45 through the leads of the elastic connecting unit 43 (or the leads of the voice coil connecting unit 41 and the leads of the elastic connecting unit 43). Therefore, the inner electrical connector 44 and the outer electrical connector 45 can eliminate the need for extending and soldering the two leads of the voice coil 1 to external electrical contacts, thereby reducing the risk of breakage of the voice coil 1 due to large and high-speed vibration of the voice coil 1 when the two leads of the voice coil 1 are too long.
Referring to fig. 9 and 10, in the speaker structure, as shown in the above, the bottom of the support 3 may have a plurality of positioning pillars 31, the support connection unit 42 may have a plurality of positioning holes 4211, the support connection unit 42 may be connected to the bottom of the support 3, and the positioning pillars 31 are respectively disposed at the positioning holes 4211. Therefore, the positioning posts 31 and the positioning holes 4211 can position the elastic supporting portion 4 at a specific position of the support 3.
Referring to fig. 1, in the above-mentioned speaker structure, as shown in the drawings, the elastic connection units 43 may be respectively S-shaped to improve the elasticity of the up-and-down vibration and to play a role of damping, the voice coil connection unit 41 may be a rectangular ring body (or a square ring body, a circular ring body or other geometric ring bodies) to be disposed in the magnetic gap 24 of a circular rectangle (or a circular square, a circular ring or other geometric ring bodies) and connected to the bottom of the voice coil 1, one end of the elastic connection unit 43 may be respectively connected to four corners of the voice coil connection unit 41, the support connection unit 42 may have two U-shaped connection bodies 421, the positioning holes 4211 are respectively located in the U-shaped connection bodies 421, the U-shaped connection bodies 421 may be connected to two sides of the bottom of the support 3 at intervals, openings of the U-shaped connection bodies 421 may face each other, wherein the other ends of the two elastic connection units 43 may be respectively connected to two, the other ends of the other two elastic connection units 43 can be connected to two corners in the other U-shaped connection body 421, respectively.
While the invention has been disclosed in terms of preferred embodiments, it will be understood by those skilled in the art that such embodiments are merely illustrative of the invention and are not to be construed as limiting the scope of the invention. It should be noted that all changes and substitutions equivalent to the embodiments are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.
Claims (9)
1. A loudspeaker structure, comprising:
vibrating diaphragm;
the top of the voice coil is connected to the bottom of the vibrating diaphragm;
the magnetic return assembly is provided with a magnetic gap and a plurality of gaps, and the voice coil is arranged in the magnetic gap;
the bracket is connected between the vibrating diaphragm and the magnetic return component; and
the elastic supporting part is provided with a voice coil connecting unit, a support connecting unit and a plurality of elastic connecting units, the elastic connecting units are symmetrically connected between the voice coil connecting unit and the support connecting unit, the voice coil connecting unit is arranged in the magnetic gap and connected to the bottom of the voice coil, the elastic connecting units are respectively arranged in the gap, and the support connecting unit is connected to the support.
2. The speaker structure as claimed in claim 1, wherein the flexible supporting portion is a flexible printed circuit.
3. The speaker structure as claimed in claim 1, wherein the number of the notches is four or two, and the positions of the notches are symmetrical to each other.
4. The loudspeaker structure of claim 1 wherein the cross-section of the magnetic return element is rectangular or square and the notches are located at the corners or edges of the cross-section of the magnetic return element, the notches being symmetrically located with respect to each other.
5. The speaker structure as claimed in claim 1, wherein the magnetic return assembly has a magnetic conductive box, a magnet and an upper magnetic conductor, the magnet is disposed on the bottom surface of the magnetic conductive box, the upper magnetic conductor is disposed on the magnet, the magnetic gap is located between the upper magnetic conductor and the magnet and the magnetic conductive box, the cross section of the magnetic conductive box is rectangular or square, the notches are located at the corners or edges of the cross section of the magnetic conductive box, and the positions of the notches are symmetrical to each other.
6. The speaker structure of claim 1, further comprising a plurality of internal electrical connectors disposed on the elastic connection unit, the voice coil connection unit, or the notch for electrically connecting the voice coil.
7. The speaker structure as claimed in claim 6, further comprising a plurality of external electrical connectors disposed on the frame connecting unit to electrically connect the internal electrical connectors, respectively.
8. The speaker structure as claimed in claim 1, wherein the bottom of the frame has a plurality of positioning posts, the frame connecting unit has a plurality of positioning holes, the frame connecting unit is connected to the bottom of the frame, and the positioning posts are respectively disposed in the positioning holes.
9. The speaker structure as claimed in claim 1, wherein the elastic connection units are respectively S-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610800837.3A CN107801135B (en) | 2016-09-02 | 2016-09-02 | Loudspeaker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610800837.3A CN107801135B (en) | 2016-09-02 | 2016-09-02 | Loudspeaker structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107801135A CN107801135A (en) | 2018-03-13 |
| CN107801135B true CN107801135B (en) | 2020-07-07 |
Family
ID=61529737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610800837.3A Expired - Fee Related CN107801135B (en) | 2016-09-02 | 2016-09-02 | Loudspeaker structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107801135B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418259B (en) * | 2018-04-27 | 2022-06-14 | 歌尔股份有限公司 | Sound production device monomer, sound production module and electronic terminal |
| CN109379680B (en) * | 2018-09-30 | 2021-03-26 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN110545509A (en) * | 2019-08-30 | 2019-12-06 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN110830889A (en) * | 2019-11-05 | 2020-02-21 | 浙江旗声电子科技股份有限公司 | Loudspeaker with magnetic circuit built-in supporting system |
| WO2021134262A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
Citations (2)
| 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 |
| CN201839428U (en) * | 2010-07-09 | 2011-05-18 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3505037B2 (en) * | 1996-05-23 | 2004-03-08 | パイオニア株式会社 | Speaker |
| JP3946047B2 (en) * | 2002-01-21 | 2007-07-18 | アルパイン株式会社 | Magnetic circuit of speaker |
| TWM368263U (en) * | 2008-04-21 | 2009-11-01 | Bopro Entpr Co Ltd | Spider of a speaker |
| CN202160275U (en) * | 2011-08-15 | 2012-03-07 | 浙江东阳东磁有限公司 | Loudspeaker with novel structure |
| CN102685653B (en) * | 2012-04-28 | 2015-04-22 | 歌尔声学股份有限公司 | Loudspeaker |
| US9084052B2 (en) * | 2013-06-26 | 2015-07-14 | Analog Devices Global | Moving coil miniature loudspeaker module |
| CN205430597U (en) * | 2015-12-15 | 2016-08-03 | 富祐鸿科技股份有限公司 | Three drive unit's miniature speaker |
-
2016
- 2016-09-02 CN CN201610800837.3A patent/CN107801135B/en not_active Expired - Fee Related
Patent Citations (2)
| 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 |
| CN201839428U (en) * | 2010-07-09 | 2011-05-18 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
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| Publication number | Publication date |
|---|---|
| CN107801135A (en) | 2018-03-13 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200527 Address after: 12 Shunxing Five Road, Dajingtou Second Industrial Zone, Dalang Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN SHUNHEFENG ELECTRIC CO.,LTD. Address before: Taoyuan City, Taiwan, China Applicant before: Fuyouhong Technology Co.,Ltd. |
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Granted publication date: 20200707 |