CN107172547B - Voice coil winding method, vibration assembly and sounder with vibration assembly - Google Patents
Voice coil winding method, vibration assembly and sounder with vibration assembly Download PDFInfo
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- CN107172547B CN107172547B CN201710386279.5A CN201710386279A CN107172547B CN 107172547 B CN107172547 B CN 107172547B CN 201710386279 A CN201710386279 A CN 201710386279A CN 107172547 B CN107172547 B CN 107172547B
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- voice coil
- winding
- boss
- vibration
- vibrating plate
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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
- H04R9/06—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
- H04R9/025—Magnetic circuit
-
- 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
Abstract
The invention discloses a voice coil winding method, a vibration assembly and a sounder provided with the vibration assembly. The voice coil winding method, the vibration assembly and the acoustic generator with the vibration assembly solve the technical problems of complex assembly process and the like of the acoustic generator in the prior art, and have simple assembly process and high assembly efficiency; the product has high concentricity, good consistency and high acoustic performance.
Description
Technical Field
The invention relates to the technical field of electroacoustic products, in particular to a voice coil winding method, a vibration assembly and a sounder with the vibration assembly.
Background
The sound generator is an important acoustic component of the portable electronic device, is used for completing the conversion between an electric signal and a sound signal, and is an energy conversion device. A sound generator generally includes a housing, and a vibration assembly and a magnetic circuit assembly housed in the housing, the vibration assembly generally including a diaphragm, a vibration plate, and a voice coil. At present, voice coils are all formed by winding voice coil wires, and the commonly used voice coil wires are enameled wires with glue layers. When carrying out the sounder equipment, need fix the voice coil loudspeaker voice coil bonding that coiling formed in advance on vibrating diaphragm or vibration board with glue, be difficult to the location when bonding the voice coil loudspeaker voice coil simultaneously to it is poor to lead to the vibration subassembly concentricity after the bonding, and the uniformity is poor, and then influences the acoustic performance of sounder.
Disclosure of Invention
In view of the above drawbacks, a first technical problem to be solved by the present invention is to provide a voice coil winding method, which is simple in process, capable of combining a voice coil and a vibrating plate into a whole while winding the voice coil, and capable of simplifying an assembly process of a sound generator, and the voice coil and the vibrating plate have high concentricity and good product consistency.
Based on the same inventive concept, the second technical problem to be solved by the invention is to provide a vibration component which has simple assembly process, high concentricity and good consistency.
Based on the same inventive concept, the third technical problem to be solved by the invention is to provide a sounder which has simple assembly process, good product consistency and high acoustic performance.
In order to solve the first technical problem, the technical scheme of the invention is as follows:
a convex annular winding boss is arranged on one side of a vibrating plate, a voice coil wire is wound on the outer side of the winding boss and is heated, so that a glue layer of the voice coil wire is melted and directly bonded on the vibrating plate, and the voice coil after winding is directly combined with the vibrating plate into a whole.
If the height of the winding boss is smaller than that of the voice coil, a winding tool needs to be additionally arranged at the winding boss, the outer surface of the winding tool is flush with the inner side surface or the outer side surface of the winding boss, and the voice coil wire of the voice coil is wound on the winding tool and is longer than the winding boss.
The voice coil wire is heated by adopting a hot air blowing mode, and hot air is blown to the voice coil wire while the voice coil wire is wound.
In order to solve the second technical problem, the technical solution of the present invention is:
the utility model provides a vibration subassembly, is including vibrating diaphragm, vibration board and the voice coil loudspeaker voice coil that the combination is in the same place, the downside of vibration board is provided with bellied annular wire winding boss downwards, the voice coil loudspeaker voice coil coiling is in the outside of wire winding boss and through the glue film of self with the wire winding boss reaches the downside of vibration board bonds as an organic wholely.
Wherein, the inside surface of voice coil loudspeaker voice coil with the outside surface of wire winding boss is flush.
The outer side surface of the voice coil is of a plane structure or a stepped structure with an upper concave part and a lower convex part.
The height of the winding boss is smaller than that of the voice coil, the inner side surface of the voice coil is flush with the inner side surface of the winding boss, and the outer side surface of the voice coil is of a planar structure.
The vibrating plate is made of high polymer plastic or light metal.
When the vibrating plate is made of high polymer plastic, the vibrating plate is formed through an injection molding process; when the vibrating plate is made of light metal, the vibrating plate is formed through a powder metallurgy process.
In order to solve the third technical problem, the technical solution of the present invention is:
a sounder comprises a shell, and a vibration component and a magnetic circuit component which are accommodated in the shell, wherein the vibration component is the vibration component.
After the technical scheme is adopted, the invention has the beneficial effects that:
the voice coil winding method is characterized in that the annular winding boss is arranged on one side of the vibrating plate, the voice coil wire is directly wound on the outer side of the winding boss and is heated, so that a glue layer of the voice coil wire is melted and directly bonded on the vibrating plate, and the voice coil is directly combined with the vibrating plate into a whole after winding. The method can combine the voice coil and the vibrating plate into a whole while winding the voice coil, so that the process of bonding the voice coil and the vibrating plate is not needed when the acoustic generator is assembled, and the assembly process of the product is simplified; meanwhile, the winding bosses on the vibrating plate can be processed and formed in batches through mechanical equipment, the product quality is stable, the consistency is good, so that the voice coil is accurately positioned, the concentricity between the voice coil and the vibrating plate is high, the product consistency is good, and the acoustic performance of the sounder is improved.
The vibrating plate of the vibrating assembly is provided with the winding boss, and the voice coil wire is directly wound on the outer side of the winding boss and is bonded with the vibrating plate into a whole through the glue layer of the voice coil wire, so that the assembling process of the vibrating assembly is simplified, and the assembling efficiency is improved; meanwhile, the consistency between the voice coil and the vibrating plate is good, and the acoustic performance of the sounder is improved.
The sounder is provided with the vibration component, so that the assembly process is simple and the assembly efficiency is high; the product has high concentricity, good consistency and high acoustic performance.
In summary, the voice coil winding method, the vibration assembly and the acoustic generator with the vibration assembly solve the technical problems of complex assembly process and the like of the acoustic generator in the prior art, and are simple and high in assembly efficiency; the product has high concentricity, good consistency and high acoustic performance.
Drawings
Fig. 1 is a schematic diagram of a voice coil winding method according to an embodiment of the present invention;
FIG. 2 is another schematic diagram of a voice coil winding method according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a vibrating assembly according to a second embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a third vibration assembly in accordance with an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a four-vibration assembly in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a five-vibration assembly in accordance with an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a six-vibration assembly in accordance with an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a seventh vibratory assembly in accordance with an embodiment of the invention;
in the figure: 10. diaphragm, 12, wire winding boss, 20a, voice coil, 20b, voice coil, 20c, voice coil, 20d, voice coil, 20e, voice coil, 20f, voice coil, 30a, wire winding frock, 30b, wire winding frock.
Detailed Description
The invention is further illustrated below with reference to the figures and examples.
The inner finger referred to in the specification is positioned close to the center of the sounder, and the outer finger is positioned far away from the center of the sounder; the direction referred to means the direction in which the vibration component is provided, and the direction referred to means the direction in which the magnetic circuit component is provided.
The first embodiment is as follows:
as shown in fig. 1 and 2, in the voice coil winding method, a protruding annular winding boss 12 is arranged on one side of a vibrating plate 10, a voice coil wire is wound outside the winding boss 12 on the basis of the winding boss 12, and is heated at the same time, so that the glue layer of the voice coil wire is melted and directly bonded on the vibrating plate 10, and the wound voice coil can be directly combined with the vibrating plate 10 into a whole, so that the process of bonding the voice coil wire and the vibrating plate can be omitted. In this embodiment, the voice coil wire is heated by blowing hot air, and the hot air is blown while winding the voice coil wire, so that the voice coil can be well fixed to the diaphragm 10.
As shown in fig. 1, 2, 7 and 8, if the height of the winding boss 12 is greater than that of the voice coil, the voice coil can be directly wound on the winding boss 12 without any tool. If the height of the winding boss 12 is smaller than that of the voice coil, the voice coil wire of the voice coil, which is longer than the winding boss 12, needs to be wound on the winding tool by means of the winding tool matched with the shape and the size of the inner side of the winding boss 12, and the winding tool is taken out after winding is finished.
As shown in fig. 1, when the height of the winding boss 12 is smaller than that of the voice coil, if the inner side surface of the voice coil to be wound is a planar structure, and the outer side surface is also a planar structure or a stepped structure with a concave upper part and a convex lower part, the winding tool 30a should be designed to be a structure with an outer surface flush with the outer surface of the winding boss 12, and meanwhile, in order to facilitate the combination of the winding tool 30a and the vibrating plate 10, an annular groove adapted to the winding boss 12 should be designed at the upper end edge part of the winding tool 30a, so that the winding tool 30a and the vibrating plate 10 can be combined, and the outer surface of the winding tool 30a is flush with the outer surface of the winding boss.
As shown in fig. 2, when the height of the winding boss is smaller than that of the voice coil, if the outer surface of the voice coil to be wound is a planar structure and the inner surface thereof is a stepped structure with a concave-convex upper portion and a convex-lower portion, the winding tool 30b is only required to be designed into a straight cylinder with a shape and a size matched with the inner side of the winding boss, and the wound voice coil is as shown in the voice coil 20b in fig. 2.
As shown in fig. 7 and 8, when the height of the winding boss is equal to or greater than the height of the voice coil, no winding tool is required, and the voice coil wound at this time can only be a voice coil with a planar inner surface.
Example two:
as shown in fig. 3, a vibration assembly includes a diaphragm (not shown), a vibration plate 10 and a voice coil 20a, which are combined together, wherein an annular winding boss 12 protruding downward is disposed below the vibration plate 10, the voice coil 20a is wound around the outside of the winding boss 12, and the voice coil 20a is integrally bonded to the outside of the winding boss 12 and the lower side of the corresponding portion of the vibration plate 10 through a glue layer on the voice coil wire.
As shown in fig. 3, the height of the winding boss 12 is smaller than that of the voice coil 20a in the present embodiment, and both the inner side surface and the outer side surface of the voice coil 20a are planar structures, i.e., the inner side surface of the voice coil 20a is flush with the outer side surface of the winding boss 12.
As shown in fig. 3, in the present embodiment, the material of the vibrating plate 10 is preferably polymer plastic or light metal. The polymer plastic can be selected from PE (polyethylene), PP (polypropylene), PET (polyethylene terephthalate), etc., but is not limited to the above. The light metal can be selected from aluminum, aluminum alloy or stainless steel, and the like, but is not limited to the above. When the material of the vibrating plate 10 is polymer plastic, the vibrating plate 10 can be formed by injection molding. When the material of the vibrating plate 10 is light metal, the vibrating plate 10 may be formed by a powder metallurgy process.
Example three:
as shown in fig. 4, this embodiment is basically the same as the second embodiment, except that:
the outer side surface of the voice coil 20b is a plane structure, the inner side surface is a stepped structure with a concave-convex upper part, and the inner side surface of the voice coil 20b is flush with the inner side surface of the winding boss 12.
Example four:
as shown in fig. 5, this embodiment is basically the same as the second embodiment, except that:
the outer surface of the voice coil 20c is a stepped structure having a concave upper surface and a convex lower surface, and the stepped surface is preferably flush with the lower end surface of the winding boss 12.
Example five:
as shown in fig. 6, this embodiment is substantially the same as the fourth embodiment, except that:
the outer surface of the voice coil 20d is a two-step stepped structure, i.e., a step surface protruding outward is added below the original step surface.
It should be noted that: the fourth and fifth embodiments only show examples in which the outer side surface of the voice coil is in a one-step stepped structure and a two-step stepped structure, the number of steps of the stepped structure of the outer side surface of the voice coil in practical applications is not limited to one step and two steps in the fourth and fifth embodiments, and designers may increase the number of steps according to the structure and performance requirements of the sound generator, which is not limited in the embodiments of the present invention.
Example six:
as shown in fig. 7, the present embodiment is substantially the same as the fourth embodiment, except that the height of the winding boss 12 is equal to the height of the voice coil 20 e.
Example seven:
as shown in fig. 8, this embodiment is substantially the same as example six, except that the height of the winding boss 12 is greater than the height of the voice coil 20 f.
It should be noted that: the voice coil structure shown in the drawings of the sixth embodiment and the seventh embodiment is the same as the voice coil structure of the fourth embodiment, and in practical applications, when the height of the winding boss is greater than or equal to the height of the voice coil, the outer side surface of the voice coil may be wound into a planar structure (such as the structure shown in fig. 3) or a two-step or multi-step structure (such as the structure shown in fig. 6).
Example eight:
a sounder comprises a shell, a vibration assembly and a magnetic circuit assembly, wherein the vibration assembly and the magnetic circuit assembly are accommodated in the shell, and the vibration assembly is the vibration assembly in the second embodiment to the seventh embodiment.
According to the invention, the winding boss is arranged on the vibrating plate, and then the voice coil wire is directly wound on the winding boss, so that the voice coil is combined and fixed with the vibrating plate in the winding process, the assembly process of the product is greatly simplified, the assembly efficiency of the product is improved, the concentricity and the consistency of the product are also improved, and the acoustic performance of the sounder is favorably improved.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.
Claims (8)
1. The voice coil winding method is characterized in that a protruding annular winding boss is arranged on one side of a vibrating plate, the winding boss and the vibrating plate are integrally arranged, and the outer wall of the winding boss is cylindrical;
winding a voice coil wire on the outer side of the winding boss, heating the voice coil wire in a hot air blowing mode, blowing hot air to the voice coil wire while winding the voice coil wire, so that a glue layer of the voice coil wire is melted and directly bonded on the vibrating plate, and the wound voice coil wire is directly combined with the vibrating plate into a whole;
the inner side surface of the voice coil is flush with the outer side surface of the winding boss.
2. The voice coil winding method according to claim 1, wherein if the height of the winding boss is smaller than the height of the voice coil, a winding tool needs to be additionally arranged at the winding boss, the outer surface of the winding tool is flush with the inner side surface or the outer side surface of the winding boss, and a voice coil wire of the voice coil, which extends out of the winding boss, is wound on the winding tool.
3. The vibration assembly comprises a vibration plate and a voice coil which are combined together, and is characterized in that an annular winding boss protruding downwards is arranged on the lower side of the vibration plate, and the winding boss and the vibration plate are integrally arranged; the voice coil is wound on the outer side of the winding boss, and the glue layer of the voice coil wire of the voice coil is heated and melted, so that the voice coil is bonded and fixed with the winding boss and the lower side of the vibrating plate into a whole.
4. The vibration assembly of claim 3, wherein the outer side surface of the voice coil is a planar structure or a stepped structure which is concave and convex.
5. The vibration assembly of claim 3, wherein the height of the winding boss is less than the height of the voice coil, the inner side surface of the voice coil is flush with the inner side surface of the winding boss, and the outer side surface of the voice coil is a planar structure.
6. The vibration module according to claim 3, wherein the material of the vibration plate is polymer plastic or light metal.
7. The vibration assembly according to claim 6, wherein when the material of the vibration plate is polymer plastic, the vibration plate is formed by injection molding; when the vibrating plate is made of light metal, the vibrating plate is formed through a powder metallurgy process.
8. A sounder comprising a housing and, housed within said housing, a vibration assembly and a magnetic circuit assembly, wherein said vibration assembly is according to any one of claims 3 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710386279.5A CN107172547B (en) | 2017-05-26 | 2017-05-26 | Voice coil winding method, vibration assembly and sounder with vibration assembly |
| PCT/CN2017/089386 WO2018214209A1 (en) | 2017-05-26 | 2017-06-21 | Method for winding voice coil, and vibration assembly and sounder with vibration assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710386279.5A CN107172547B (en) | 2017-05-26 | 2017-05-26 | Voice coil winding method, vibration assembly and sounder with vibration assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107172547A CN107172547A (en) | 2017-09-15 |
| CN107172547B true CN107172547B (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710386279.5A Active CN107172547B (en) | 2017-05-26 | 2017-05-26 | Voice coil winding method, vibration assembly and sounder with vibration assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107172547B (en) |
| WO (1) | WO2018214209A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111294720B (en) * | 2018-12-07 | 2021-08-10 | 瑞声科技(新加坡)有限公司 | Voice coil assembly, manufacturing method, loudspeaker, winding equipment and additional structure thereof |
| CN111741416B (en) * | 2020-07-10 | 2021-12-14 | 瑞声科技(新加坡)有限公司 | Sound production device, voice coil thereof and winding method of voice coil |
| CN112040379B (en) * | 2020-09-02 | 2021-10-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker, voice coil manufacturing method and coil heating device |
| CN112040376B (en) * | 2020-09-02 | 2021-09-28 | 瑞声新能源发展(常州)有限公司科教城分公司 | Voice coil manufacturing system and voice coil manufacturing method |
| CN112004179B (en) * | 2020-09-02 | 2021-09-24 | 瑞声新能源发展(常州)有限公司科教城分公司 | Voice coil manufacturing system, coil heating device and auxiliary unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3208409A1 (en) * | 1982-03-09 | 1983-09-15 | Hagenuk GmbH, 2300 Kiel | Dynamic sound transducer |
| CN1310576A (en) * | 2000-02-25 | 2001-08-29 | 星精密株式会社 | Loudspeaker |
| KR20060014662A (en) * | 2004-08-11 | 2006-02-16 | 삼성전자주식회사 | Structure of voice coil in speaker |
| CN102469391A (en) * | 2010-11-12 | 2012-05-23 | 苹果公司 | Speaker having a horizontal former |
| CN105828268A (en) * | 2015-01-06 | 2016-08-03 | 深圳市雅美时塑胶电子有限公司 | Voice coil framework, preparation method thereof and method for winding wire on voice coil framework |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08102998A (en) * | 1994-10-03 | 1996-04-16 | Star Micronics Co Ltd | Manufacture of electromagnetic acoustic transducer |
| JP2744413B2 (en) * | 1994-10-03 | 1998-04-28 | スター精密株式会社 | Electromagnetic acoustic transducer |
| EP1555718B1 (en) * | 2004-01-13 | 2007-12-26 | Seiko Epson Corporation | Method of manufacturing magnetic core, magnetic core, electromagnetic transducer, clock and electronic device |
| US9479861B2 (en) * | 2014-06-26 | 2016-10-25 | Anthony Allen BISSET | Compact wideband bass and midrange horn-loaded speaker system |
| CN105050006A (en) * | 2015-07-09 | 2015-11-11 | 中山市天键电声有限公司 | Alcohol-soluble automatic wire winding method |
| CN206061147U (en) * | 2016-10-11 | 2017-03-29 | 东莞市智迪自动化科技有限公司 | A kind of Full-automatic voice film voice coil combination machine |
-
2017
- 2017-05-26 CN CN201710386279.5A patent/CN107172547B/en active Active
- 2017-06-21 WO PCT/CN2017/089386 patent/WO2018214209A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3208409A1 (en) * | 1982-03-09 | 1983-09-15 | Hagenuk GmbH, 2300 Kiel | Dynamic sound transducer |
| CN1310576A (en) * | 2000-02-25 | 2001-08-29 | 星精密株式会社 | Loudspeaker |
| KR20060014662A (en) * | 2004-08-11 | 2006-02-16 | 삼성전자주식회사 | Structure of voice coil in speaker |
| CN102469391A (en) * | 2010-11-12 | 2012-05-23 | 苹果公司 | Speaker having a horizontal former |
| CN105828268A (en) * | 2015-01-06 | 2016-08-03 | 深圳市雅美时塑胶电子有限公司 | Voice coil framework, preparation method thereof and method for winding wire on voice coil framework |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018214209A1 (en) | 2018-11-29 |
| CN107172547A (en) | 2017-09-15 |
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