CN214481246U - Voice coil loudspeaker voice coil of radial structure intensity reinforcing - Google Patents
Voice coil loudspeaker voice coil of radial structure intensity reinforcing Download PDFInfo
- Publication number
- CN214481246U CN214481246U CN202120039103.4U CN202120039103U CN214481246U CN 214481246 U CN214481246 U CN 214481246U CN 202120039103 U CN202120039103 U CN 202120039103U CN 214481246 U CN214481246 U CN 214481246U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- enameled wire
- framework
- corrugated portion
- coil
- 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.)
- Active
Links
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a voice coil with enhanced radial structural strength, which comprises a voice coil framework and an enameled wire, wherein the bottom of the voice coil framework is wound with the enameled wire, and the voice coil framework is cylindrical; the voice coil frame is characterized in that a baffle ring is arranged at the bottom end of the voice coil frame, the baffle ring and the voice coil frame are integrally formed, a corrugated portion used for winding an enameled wire is arranged at the lower end of the voice coil frame, the outer surface of the corrugated portion is in a wavy shape matched with the enameled wire, specifically, a plurality of connected arc-shaped pits are arranged on the surface of the corrugated portion, the pits and the enameled wire are matched with each other in a one-to-one mode, and the corrugated portion can be obtained by direct punch forming on the voice coil frame; the corrugated part of the utility model plays the role of partial limit enameled wire, which is convenient for winding the layer of enameled wire closest to the voice coil framework and fixing the part of wire; secondly, the corrugated portion can be fine improve the voice coil skeleton lower extreme and be equipped with the radial structural strength who is used for twining this part of enameled wire, effectively prevents that the voice coil skeleton from warping in the footpath.
Description
Technical Field
The utility model relates to a voice coil loudspeaker voice coil specifically is a voice coil loudspeaker voice coil of radial structure intensity reinforcing.
Background
The voice coil is defined directly as a coil through which an audio current passes, and is an important component of a vibration system of an electrodynamic loudspeaker, and can be said to be the heart of the loudspeaker. The performance of the voice coil affects the sound pressure frequency characteristics, sound pressure level, impedance curve, distortion, transient characteristics, speaker parameters, sound quality, etc. of the speaker, particularly with respect to the power rating and life of the speaker. Just as a fatal factor of heart disease, speaker damage often begins with the voice coil.
The most common voice coil is a voice coil with a framework, which is composed of a voice coil framework (BOBBIN), an enameled wire, reinforcing paper and a silk thread. Moreover, the voice coil is generally cylindrical, and the voice coil has low structural strength in the radial direction of the cylinder and is easy to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a voice coil loudspeaker voice coil of radial structure intensity reinforcing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a voice coil with enhanced radial structural strength comprises a voice coil framework and an enameled wire,
the bottom of the voice coil framework is wound with an enameled wire, and the voice coil framework is cylindrical; the voice coil frame is characterized in that a baffle ring is arranged at the bottom end of the voice coil frame, the baffle ring and the voice coil frame are integrally formed, a corrugated portion used for winding an enameled wire is arranged at the lower end of the voice coil frame, the outer surface of the corrugated portion is in a wavy shape matched with the enameled wire, specifically, a plurality of connected arc-shaped pits are arranged on the surface of the corrugated portion, the pits and the enameled wire are matched with each other in a one-to-one mode, and the corrugated portion can be obtained by direct punch forming on the voice coil frame;
the enameled wire is wound on the voice coil framework and coated with glue to form a coil, the coil is respectively provided with an inner coil and an outer coil, the inner coil and the outer coil are formed by winding two layers of the enameled wire on the voice coil framework, the inner coil is tightly attached to the surface of the voice coil framework, and the outer coil is tightly attached to the inner coil;
a plurality of through holes are formed in the voice coil framework above the corrugated part, six through holes are formed in the voice coil framework, and the six through holes are arranged along the circumferential direction of the voice coil framework at intervals;
the voice coil framework is adhered with reinforcing paper, the reinforcing paper is NOMEX paper, and the reinforcing paper is arranged at the position corresponding to the through hole.
Furthermore, the voice coil framework is an aluminum alloy blackened by oxidation, and a polyimide coating is coated on the surface of the voice coil framework.
Furthermore, the enameled wire is a copper-clad aluminum wire and comprises a dissolving layer, an insulating layer, a copper conductor layer and an aluminum core.
Further, the reinforcing paper is provided with multiple layers.
Furthermore, the reinforcing paper is provided with at least two layers.
Compared with the prior art, the beneficial effects of the utility model are that: the corrugated part has the function of partially limiting the enameled wires, and is convenient for winding the enameled wires closest to the voice coil framework and fixing the part of wires; secondly, the corrugated part can well improve the radial structural strength of the part, used for winding the enameled wire, arranged at the lower end of the voice coil framework, and effectively prevent the voice coil framework from deforming in the radial direction; since the outside of the corrugated portion is to be wound with the adhesive coil and the coils are overlapped with each other in the axial direction, the structural strength of the corrugated portion of the voice coil bobbin in the axial direction is sufficient;
the reinforced paper is NOMEX paper, which has high mechanical performance, flexibility and good electrical performance, and can maintain the characteristics at high temperature.
Drawings
Fig. 1 is a schematic view of a voice coil with enhanced radial structural strength.
Fig. 2 is a top view of a voice coil with enhanced radial structural strength.
Fig. 3 is a cross-sectional view of a voice coil with enhanced radial structural strength.
Fig. 4 is a schematic diagram of a radial structure at a in a voice coil with enhanced strength.
Fig. 5 is a schematic diagram of a structure at B in a voice coil with enhanced radial structural strength.
Fig. 6 is a schematic structural view of an enameled wire in a voice coil with an enhanced radial structural strength.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1 to 6, a voice coil with enhanced radial structural strength includes a voice coil bobbin 100 and enameled wires 200,
the voice coil framework 100 is wound with the enameled wire 200 at the bottom, the voice coil framework 100 is cylindrical, meanwhile, the voice coil framework 100 is made of oxidized and blackened aluminum alloy, the surface of the voice coil framework 100 is coated with a polyimide coating, the polyimide is one of organic polymer materials with the best comprehensive performance, the high temperature resistance of the voice coil framework can reach more than 400 ℃, the long-term use temperature range is-200-300 ℃, no obvious melting point exists in part, the high insulation performance is high, the dielectric constant is 4.0 at 103 Hz, the dielectric loss is only 0.004-0.007, and the voice coil framework belongs to F-H grade insulation;
the bottom end of the voice coil framework 100 is provided with a baffle ring 110, the baffle ring 110 and the voice coil framework 100 are integrally formed, the lower end of the voice coil framework 100 is provided with a corrugated portion 120 used for winding an enameled wire 200, the outer surface of the corrugated portion 120 is in a wavy shape matched with the enameled wire 200, specifically, the surface of the corrugated portion 120 is provided with a plurality of connected arc-shaped concave pits 121, the concave pits 121 and the enameled wire 200 are matched with each other in a one-to-one mode, and the corrugated portion 120 can be obtained by direct punch forming on the voice coil framework 100; the corrugated portion 120 firstly plays a role of partially limiting the enameled wire 200, and is convenient for winding the enameled wire 200 closest to the voice coil former 100 and fixing the wire; secondly, the corrugated portion 120 can well improve the radial structural strength of the part, used for winding the enameled wire 200, arranged at the lower end of the voice coil framework 100, and effectively prevent the voice coil framework from deforming in the radial direction;
the enameled wire 200 is a copper-clad aluminum wire, the enameled wire 200 comprises a dissolving layer 201, an insulating layer 202, a copper conductor layer 203 and an aluminum core 204,
the enameled wire 200 is wound on the voice coil framework 100 and coated with glue to form a coil, the coil is respectively provided with an inner coil 210 and an outer coil 220, the inner coil 210 and the outer coil 220 are formed by winding the enameled wire 200 on the voice coil framework 100 in two layers, the inner coil 210 is tightly attached to the surface of the voice coil framework 100, and the outer coil 220 is tightly attached to the inner coil 210;
a plurality of through holes 400 are formed in the voice coil bobbin 100 above the corrugated portion 120, six through holes 400 are formed in the voice coil bobbin 100, and the six through holes 400 are circumferentially arranged at intervals along the voice coil bobbin 100;
firstly, the through hole 400 is formed, so that the mass of the voice coil framework is greatly reduced; secondly, after the voice coil is electrified, the copper wire of the voice coil generates heat due to work, and the through hole 400 can better conduct the heat in the voice coil outwards quickly, so that the average temperature of the copper wire on the voice coil can be effectively reduced;
the voice coil bobbin 100 is bonded with the reinforcing paper 300, the reinforcing paper 300 is NOMEX paper, the NOMEX paper has high mechanical performance, flexibility and good electrical performance and can keep the characteristics at high temperature, the reinforcing paper 300 is arranged at a position corresponding to the through hole 400, and more accurately speaking, the reinforcing paper 300 is bonded on the voice coil bobbin 100, and then the through hole 400 is punched on the reinforcing paper 300 and the voice coil bobbin 100; while the reinforcing paper 300 may be provided with multiple layers.
The above detailed description of the preferred embodiments of this patent.
Claims (5)
1. The utility model provides a voice coil loudspeaker voice coil of radial structure intensity reinforcing, includes voice coil loudspeaker voice coil skeleton and enameled wire, its characterized in that:
the bottom of the voice coil framework is wound with an enameled wire, and the voice coil framework is cylindrical; the voice coil is characterized in that a baffle ring is arranged at the bottom end of the voice coil framework, the baffle ring and the voice coil framework are integrally formed, a corrugated portion used for winding the enameled wire is arranged at the lower end of the voice coil framework, the outer surface of the corrugated portion is in a wavy shape matched with the enameled wire, specifically, a plurality of connected arc-shaped pits are arranged on the surface of the corrugated portion, the pits and the enameled wire are matched with each other in a one-to-one mode, and the corrugated portion is obtained by direct punch forming of the voice coil framework;
the enameled wire is wound on the voice coil framework and coated with glue to form a coil, the coil is respectively provided with an inner coil and an outer coil, the inner coil and the outer coil are formed by winding two layers of the enameled wire on the voice coil framework, the inner coil is tightly attached to the surface of the voice coil framework, and the outer coil is tightly attached to the inner coil;
a plurality of through holes are formed in the voice coil framework above the corrugated part, six through holes are formed in the voice coil framework, and the six through holes are arranged along the circumferential direction of the voice coil framework at intervals;
the voice coil framework is adhered with reinforcing paper, the reinforcing paper is NOMEX paper, and the reinforcing paper is arranged at the position corresponding to the through hole.
2. A voice coil with enhanced radial structural strength as claimed in claim 1, wherein the voice coil bobbin is an oxidized black aluminum alloy, and the surface of the voice coil bobbin is coated with a polyimide coating.
3. A radial structural strength enhanced voice coil according to claim 1, wherein the enameled wire is a copper-clad aluminum wire, and the enameled wire comprises a solvent layer, an insulating layer, a copper conductor layer and an aluminum core.
4. A radial structural strength enhanced voice coil as claimed in claim 1, wherein the reinforcing paper is provided with a plurality of layers.
5. A radial structural strength enhanced voice coil according to claim 4, wherein the reinforcing paper is provided with at least two layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120039103.4U CN214481246U (en) | 2021-01-08 | 2021-01-08 | Voice coil loudspeaker voice coil of radial structure intensity reinforcing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120039103.4U CN214481246U (en) | 2021-01-08 | 2021-01-08 | Voice coil loudspeaker voice coil of radial structure intensity reinforcing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214481246U true CN214481246U (en) | 2021-10-22 |
Family
ID=78139225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120039103.4U Active CN214481246U (en) | 2021-01-08 | 2021-01-08 | Voice coil loudspeaker voice coil of radial structure intensity reinforcing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214481246U (en) |
-
2021
- 2021-01-08 CN CN202120039103.4U patent/CN214481246U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7729503B2 (en) | Armored voice coil assembly for use in high power loudspeaker applications | |
| CN214481246U (en) | Voice coil loudspeaker voice coil of radial structure intensity reinforcing | |
| CN215581711U (en) | Voice coil loudspeaker voice coil of hot-blast line winding | |
| EP0971559A2 (en) | Loudspeaker | |
| CN209804422U (en) | low-cost high-power transformer | |
| CN216752085U (en) | Novel theta 0.5 miniature voice coil | |
| CN108899186B (en) | RM8 step-up transformer manufacturing process | |
| CN213960309U (en) | Voice coil of multi-thread duplex winding | |
| CN216087003U (en) | Voice coil assembly and loudspeaker with same | |
| JP3431459B2 (en) | Speaker structure | |
| CN218730014U (en) | Polyurethane self-adhesive enameled wire for high-grade audio coil | |
| JP2003299188A (en) | Speaker and damper therefor | |
| CN214675659U (en) | Loudspeaker, moving-coil earphone and moving-coil microphone | |
| CN216161580U (en) | Transformer capable of reducing leakage inductance | |
| CN213462298U (en) | Polygonal voice coil | |
| CN215300911U (en) | Double-group parallel winding step type loudspeaker voice coil | |
| CN112788498A (en) | Sound production device and electronic terminal | |
| CN220755044U (en) | Voice coil with good heat dissipation effect | |
| JP3491569B2 (en) | Conductive damper and conductive damper type speaker | |
| CN218384685U (en) | Annular high-frequency inductor | |
| KR20140115011A (en) | Inductor coil using coaxial wire and manufacturing method thereof | |
| CN212785828U (en) | Voice coil convenient to make | |
| CN213462299U (en) | Voice coil loudspeaker voice coil of interior external winding formula | |
| CN217740324U (en) | Inductor | |
| CN216087002U (en) | Prevent double wire winding voice coil loudspeaker voice coil of scattered line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |