CN211019223U - External magnetic structure voice coil lead wire symmetrical suspension type micro loudspeaker - Google Patents
External magnetic structure voice coil lead wire symmetrical suspension type micro loudspeaker Download PDFInfo
- Publication number
- CN211019223U CN211019223U CN202020085260.4U CN202020085260U CN211019223U CN 211019223 U CN211019223 U CN 211019223U CN 202020085260 U CN202020085260 U CN 202020085260U CN 211019223 U CN211019223 U CN 211019223U
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- voice coil
- coil lead
- bonding pad
- external magnetic
- magnetic structure
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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
-
- 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
-
- 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 belongs to the technical field of speakers and discloses a suspension type micro speaker with a symmetrical external magnetic structure voice coil lead, wherein the elastic sheet is respectively provided with an inner bonding pad and an outer bonding pad inside and at the bottom of the bracket, and one ends of the first voice coil lead and the second voice coil lead are respectively welded on the inner bonding pad inside the bracket; the annular washer is arranged on one side of the inner bonding pad. The utility model discloses support and shell fragment, ring shape china department and magnet integrated into one piece that moulds plastics need not bond with glue, stops the excessive glue in magnetic gap and causes the risk that the distortion increases, saves glue and artificial cost, and this design can make loudspeaker height reduce simultaneously, vibration voice coil loudspeaker voice coil lead wire is direct unsettled between vibrating diaphragm and support, makes the vibration of independent synchronous nevertheless mutual noninterference of vibrating diaphragm and voice coil loudspeaker voice coil lead wire, and the diaphragm vibration is more balanced, does benefit to the normal output of signal to realize high-fidelity signal output, this loudspeaker design is applicable to the production of automation line.
Description
Technical Field
The utility model relates to a speaker technical field especially relates to a miniature speaker of outer magnetic structure voice coil loudspeaker voice coil lead symmetrical suspension type.
Background
The structure of the micro-speaker used in the earphone mainly comprises a bracket, a magnetic circuit and a vibration system. When an electric signal flows in the voice coil, the energized voice coil is acted by an ampere force in a magnetic field, so that the voice coil vibrates, the voice coil vibrates to drive the diaphragm to vibrate, mechanical energy is converted into a sound energy signal by the vibration to be radiated out, the sound energy signal reaches human ears through the propagation of air media, and related sound information can be heard under the general condition.
In the process of implementing the technical scheme of the invention in the embodiment of the present application, the inventor of the present application finds that the above-mentioned technology has at least the following technical problems:
1. at present traditional miniature speaker voice coil loudspeaker voice coil lead wire passes through glue and pastes on the vibrating diaphragm, and the lead wire is connected to the circuit board along the support side again, and when the voice coil loudspeaker voice coil expert had the signal of telecommunication, glue on the diaphragm and voice coil loudspeaker voice coil lead wire vibrate along with the diaphragm together, and the speaker need replay the signal of telecommunication of various frequency sections, and the vibration range of each position of diaphragm is inconsistent, and the vibration of diaphragm is uneven, easily leads to increaseing the output of distortion and the risk of voice coil lead broken string.
2. At the same time, this structural design does not facilitate the production of automation lines.
3. To the traditional miniature speaker of small bore, the circuit board is put and can make loudspeaker height increase in the support bottom, leads to the earphone volume to increase.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a miniature speaker of outer magnetic structure voice coil loudspeaker voice coil lead symmetrical free form, support and shell fragment, ring shape china department and magnet integrated into one piece that moulds plastics need not bond with glue, stops the excessive risk of gluing in magnetic gap, saves glue and artificial cost, and this design can make the reduction of loudspeaker height simultaneously. The vibration voice coil loudspeaker voice coil lead wire is directly unsettled between vibrating diaphragm and support, makes the vibrating diaphragm and the independent synchronous vibration of nevertheless mutual noninterference of voice coil loudspeaker voice coil lead wire, and the diaphragm vibration is more balanced, does benefit to the normal output of signal to realize high-fidelity signal output, this loudspeaker design is applicable to the production of automation line, can effectively solve the problem among the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides an outer magnetic structure voice coil loudspeaker voice coil lead symmetrical suspension type micro loudspeaker, include:
a magnet and a bracket;
a diaphragm, one side of the diaphragm is bonded with the voice coil, wherein,
a first voice coil lead and a second voice coil lead are arranged outside the voice coil, the first voice coil lead and the second voice coil lead adopt a symmetrical suspension type wire outlet mode, the elastic sheet is respectively provided with an inner bonding pad and an outer bonding pad inside the support and at the bottom of the support, and one end of the first voice coil lead and one end of the second voice coil lead are respectively welded on the inner bonding pad inside the support;
the support, the elastic sheet, the annular washer and the magnet are integrally formed in an injection molding mode.
As an optimal technical scheme of the utility model, the suspension section of first voice coil loudspeaker voice coil lead wire and second voice coil loudspeaker voice coil lead wire is one section circular arc.
As a preferred technical scheme of the utility model, the symmetrical suspended type micro loudspeaker of outer magnetic structure voice coil loudspeaker voice coil lead still includes:
the T iron is inversely arranged in the bracket and is bonded with the surface of the magnet,
and a hole is formed in the middle of the T iron, and the mesh cloth is attached to the center of the back of the T iron.
As a preferred technical solution of the present invention, an inclination angle is provided between the inner bonding pad and the annular washer, so that the surface of the inner bonding pad is attached to the first voice coil lead and the second voice coil lead;
the outer welding disc is used for being connected with an earphone line.
As a preferred technical proposal of the utility model, the edge of the vibrating diaphragm is provided with a copper ring, a protecting cover is pasted above the vibrating diaphragm,
the central position of the protecting cover is provided with a hole, and the folded edge of the protecting cover is pressed and attached above the copper ring.
As an optimized technical scheme of the utility model, the vibrating diaphragm is circular structure.
As an optimized technical solution of the present invention, the magnet is ring-shaped.
The utility model discloses in the one or more technical scheme that provides, following technological effect or advantage have at least:
1. the support and shell fragment, ring shape china department and magnet integrated into one piece that moulds plastics need not bond with glue, stops the excessive risk of gluing in magnetic gap, saves glue and artificial cost, and this design can make the high reduction of loudspeaker simultaneously. The vibration voice coil lead wire is directly suspended between the vibrating diaphragm and the support, so that the vibrating diaphragm and the voice coil lead wire are independently synchronous but do not interfere with each other, the vibration of the diaphragm is more balanced, the normal output of signals is facilitated, and therefore high-fidelity signal output is realized, and the loudspeaker is suitable for production of automation lines.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is an exploded view of a voice coil lead wire symmetric suspension type micro-speaker with an external magnetic structure according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a suspension-type micro-speaker with a voice coil lead having an external magnetic structure according to an embodiment of the present invention;
fig. 3 is a perspective view of a voice coil lead of a suspension-type micro speaker with a symmetric voice coil lead of an external magnetic structure according to an embodiment of the present invention;
fig. 4 is a top view of a voice coil lead of a suspension-type micro speaker with a symmetric voice coil lead of an external magnetic structure according to an embodiment of the present invention;
reference numbers in the figures: 1. a protective cover; 2. vibrating diaphragm; 3. a copper ring; 4. a voice coil; 5. a first voice coil lead; 6. a second voice coil lead; 7. a support; 8. a spring plate; 9. an inner pad; 10. an outer pad; 11. a circular washer; 12. a magnet; 13. t iron; 14. and (4) screen cloth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, the present invention provides a suspension type micro speaker with symmetric voice coil leads of external magnetic structure, comprising:
the support 7 and the magnet 12 are annular, the support 7 is integrally formed by injection molding, the elastic sheet 8 is fed by a coil material when the support 7 is subjected to injection molding, a cut-off opening is formed in the elastic sheet 8, and waste materials of the elastic sheet 8 are cut off at the joint of the cut-off opening after the support 7 is formed;
the voice coil loudspeaker comprises a vibrating diaphragm 2, one side of the vibrating diaphragm 2 is bonded with a voice coil 4, a first voice coil lead 5 and a second voice coil lead 6 are arranged outside the voice coil 4, the first voice coil lead 5 and the second voice coil lead 6 adopt a symmetrical suspension type wire outlet mode, an inner bonding pad 9 and an outer bonding pad 10 are respectively arranged inside and at the bottom of a support 7 by a spring plate 8, one ends of the first voice coil lead 5 and the second voice coil lead 6 are respectively welded on the inner bonding pad 9 inside the support 7, the first voice coil lead 5 and the second voice coil lead 6 outside the voice coil 4 adopt a suspension symmetrical wire outlet mode, the first voice coil lead 5 and the second voice coil lead 6 are led out from an inner tangent circle and an outer tangent circle of the voice coil 4, the suspension sections of the first voice coil lead 5 and the second voice coil lead 6 are circular arcs, the wire outlet positions of the inner tangent and the outer tangent circle of the voice coil 4 are highest points, and the other ends of the first voice coil lead, the two points form a first voice coil lead 5 and a second voice coil lead 6 into an inclined angle;
the annular washer 11 is arranged on one side of the inner bonding pad 9, and the annular washer 11 is arranged on the other side of the inner bonding pad 9; the suspension sections of the first voice coil lead 5 and the second voice coil lead 6 are arcs, and the support 7, the elastic sheet 8, the annular washer 11 and the magnet 12 are molded integrally through injection molding;
the T iron 13 is inversely arranged in the support 7, the T iron 13 is adhered to the surface of the magnet 12, a hole is formed in the middle of the T iron 13, and a mesh 14 is attached to the center of the back of the T iron 13;
an inclined angle is arranged between the inner bonding pad 9 and the annular washer 11, so that the surface of the inner bonding pad 9 is attached to the first voice coil lead 5 and the second voice coil lead 6, the effect is that the inner bonding pad 9 and the leads do not form an included angle, better attachment can be achieved, welding is facilitated, and a welding spot is covered by glue; the outer bonding pad 10 is used for connecting with an earphone line; the edge of the vibrating diaphragm 2 is provided with a copper ring 3, a protecting cover 1 is pasted above the vibrating diaphragm 2, the central position of the protecting cover 1 is provided with a hole, the folded edge of the protecting cover 1 is pressed and pasted above the copper ring 3, and the vibrating diaphragm 2 is of a circular structure.
In this embodiment: a copper ring 3 is pasted to 2 marginal tops of circular vibrating diaphragm, 2 middle parts of vibrating diaphragm are stained with voice coil loudspeaker voice coil 4, first voice coil loudspeaker voice coil lead wire 5 and second voice coil loudspeaker voice coil lead wire 6 are drawn forth from the inside and outside tangent circle of voice coil loudspeaker voice coil 4 respectively, the section of hanging is a section circular arc, the other end of first voice coil loudspeaker voice coil lead wire 5 and second voice coil loudspeaker voice coil lead wire 6 welds on two inner bonding pads 9 of shell fragment 8, there is glue cover on the solder joint, there is the round step that is used for supplying vibrating diaphragm 2 to laminate in the inner wall of support 7 is located ring shape china department 11 top, be formed with a cavity structures between vibrating diaphragm 2 and the support 7, first voice coil loudspeaker voice coil lead wire 5 and second voice coil loudspeaker voice coil lead wire 6 are unsettled in the cavity, protecting cover 1 pastes in copper ring 3 top, protecting cover 1 positive central point has the trompil, T iron 13 is laminated in magnet 12 surfaces.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An external magnetic structure voice coil lead wire symmetrical suspension type micro-speaker, comprising: a magnet (12), characterized in that: further comprising:
a bracket (7);
a diaphragm (2), one side of the diaphragm (2) is bonded with the voice coil (4), wherein,
a first voice coil lead (5) and a second voice coil lead (6) are arranged outside the voice coil (4), the first voice coil lead (5) and the second voice coil lead (6) adopt a symmetrical suspended type wire outlet mode, an inner bonding pad (9) and an outer bonding pad (10) are respectively arranged inside and at the bottom of the support (7) on the elastic sheet (8), and one ends of the first voice coil lead (5) and the second voice coil lead (6) are respectively welded on the inner bonding pad (9) inside the support (7);
the ring-shaped washer (11), the ring-shaped washer (11) is arranged on one side of the inner bonding pad (9), and the support (7) is integrally formed with the elastic sheet (8), the ring-shaped washer (11) and the magnet (12) in an injection molding mode.
2. A voice coil lead symmetric suspension type micro speaker in external magnetic structure according to claim 1, wherein: the suspension sections of the first voice coil lead (5) and the second voice coil lead (6) are circular arcs.
3. A voice coil lead symmetric suspension type micro speaker in external magnetic structure according to claim 2, wherein: further comprising:
the T iron (13) is arranged in the bracket (7) in an inverted mode, the T iron (13) is bonded with the surface of the magnet (12),
the middle of the T iron (13) is provided with an opening, and a mesh cloth (14) is attached to the center of the back of the T iron (13).
4. A loudspeaker according to claim 3, wherein said external magnetic structure voice coil leads are symmetrically suspended from said base, wherein: an inclination angle is arranged between the inner bonding pad (9) and the annular washer (11) so that the surface of the inner bonding pad (9) is attached to the first voice coil lead (5) and the second voice coil lead (6);
the outer bonding pad (10) is used for connecting with an earphone line.
5. An external magnetic structure voice coil lead symmetric suspension type micro-speaker according to claim 4, wherein: the edge of the vibrating diaphragm (2) is provided with a copper ring (3), a protective cover (1) is pasted above the vibrating diaphragm (2),
the central position of the protective cover (1) is provided with a hole, and the folded edge of the protective cover (1) is pressed and attached above the copper ring (3).
6. An external magnetic structure voice coil lead symmetric suspension type micro-speaker according to claim 5, wherein: the vibrating diaphragm (2) is of a circular structure.
7. A loudspeaker according to claim 3, wherein said external magnetic structure voice coil leads are symmetrically suspended from said base, wherein: the magnet (12) is circular.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020085260.4U CN211019223U (en) | 2020-01-15 | 2020-01-15 | External magnetic structure voice coil lead wire symmetrical suspension type micro loudspeaker |
| PCT/CN2020/072405 WO2021142695A1 (en) | 2020-01-15 | 2020-01-16 | Symmetrical suspended miniature speaker having outer magnetic structure voice coil lead wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020085260.4U CN211019223U (en) | 2020-01-15 | 2020-01-15 | External magnetic structure voice coil lead wire symmetrical suspension type micro loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211019223U true CN211019223U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020085260.4U Active CN211019223U (en) | 2020-01-15 | 2020-01-15 | External magnetic structure voice coil lead wire symmetrical suspension type micro loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211019223U (en) |
| WO (1) | WO2021142695A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114051198A (en) * | 2021-12-10 | 2022-02-15 | 东莞市真思电子有限公司 | Loudspeaker sound production device |
| CN114466276A (en) * | 2022-03-08 | 2022-05-10 | 深圳市瑞美声学科技有限公司 | Novel earphone loudspeaker |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4482500B2 (en) * | 2005-08-03 | 2010-06-16 | パイオニア株式会社 | Speaker device, method for manufacturing speaker device, and frame for speaker device |
| US20090046889A1 (en) * | 2007-08-14 | 2009-02-19 | Cheng Uei Precision Industry Co., Ltd. | Speaker |
| CN201491250U (en) * | 2009-08-14 | 2010-05-26 | 山东共达电声股份有限公司 | Loudspeaker vibration component with suspended lead wire |
| CN203722812U (en) * | 2014-02-12 | 2014-07-16 | 歌尔声学股份有限公司 | Miniature loudspeaker |
| CN205265903U (en) * | 2015-12-03 | 2016-05-25 | 歌尔声学股份有限公司 | Micro loudspeaker |
| CN207200972U (en) * | 2017-08-30 | 2018-04-06 | 声电电子科技(惠州)有限公司 | A kind of voice coil leads hanging type Microspeaker |
-
2020
- 2020-01-15 CN CN202020085260.4U patent/CN211019223U/en active Active
- 2020-01-16 WO PCT/CN2020/072405 patent/WO2021142695A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114051198A (en) * | 2021-12-10 | 2022-02-15 | 东莞市真思电子有限公司 | Loudspeaker sound production device |
| CN114466276A (en) * | 2022-03-08 | 2022-05-10 | 深圳市瑞美声学科技有限公司 | Novel earphone loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021142695A1 (en) | 2021-07-22 |
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