CN211507186U - 155-grade polyester enameled round copper wire with strong flexibility - Google Patents
155-grade polyester enameled round copper wire with strong flexibility Download PDFInfo
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- CN211507186U CN211507186U CN202020198193.7U CN202020198193U CN211507186U CN 211507186 U CN211507186 U CN 211507186U CN 202020198193 U CN202020198193 U CN 202020198193U CN 211507186 U CN211507186 U CN 211507186U
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Abstract
The utility model discloses a 155-grade polyester enameled round copper wire with strong flexibility, which relates to the technical field of enameled wires and comprises a copper conductor, wherein the outer surface of the copper conductor is sequentially provided with an insulating layer, a protective layer and a wear-resistant layer from inside to outside; the outer surface of the protective layer is provided with an annular groove; a plurality of annular grooves are arranged at intervals along the length direction of the copper conducting wire; the inner surface of the wear-resistant layer is provided with an annular strip; a plurality of annular strips are arranged at intervals along the length direction of the wear-resistant layer; the annular strip is inserted in the annular groove and is in sliding fit with the annular groove. The utility model discloses the effect that has good security performance.
Description
Technical Field
The utility model belongs to the technical field of the enameled wire technique and specifically relates to a 155 grades of polyester enameled copper round wires have strong pliability.
Background
The enamelled copper wire is a main part of products such as motors, electric appliances and household appliances, and is composed of a conductor and an insulating layer (also commonly called as a paint coat), and is generally formed by annealing and softening a bare wire, painting for many times and baking. According to the usage scenario of the enameled copper wire, the usage scenario is generally classified by heat-resistant temperature levels, such as: the requirements for the heat resistance and the puncture resistance of the insulating paint coating of the enameled copper wire are gradually increased along with the increase of the heat-resistant temperature of the 120 grade, the 130 grade, the 155 grade, the 180 grade and the like. The 155-grade enameled copper wire is generally applied to the winding of common motors and transformers and is required to have certain high temperature resistance, thermal shock resistance and softening breakdown resistance.
At present, chinese utility model patent with publication number CN202332341U discloses a 180-level high strength polyurethane enameled round copper wire, including copper conductor and insulating layer, the copper conductor surface cladding has the insulating layer, still includes the lubricating layer, this insulating layer of lubricating layer parcel, the insulating layer is that the heat level is 180-level anti salt water needle pass polyurethane lacquer.
The above prior art solutions have the following drawbacks: because the toughness and the softness of polyurethane paint are poor, the polyurethane paint is difficult to wind into a coil easily, the polyurethane paint layer is damaged when the coil is embedded easily, the phenomenon that the paint layer falls off occurs, and finally, the phenomenon of short circuit occurs between turns of the coil, so that the safety performance of the coil cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a 155 grades of polyester enameled copper round wires have strong pliability, it has good security performance, long service life.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a155-grade polyester enameled round copper wire with strong flexibility comprises a copper wire, wherein an insulating layer, a protective layer and a wear-resistant layer are sequentially arranged on the outer surface of the copper wire from inside to outside; the outer surface of the protective layer is provided with an annular groove; a plurality of annular grooves are arranged at intervals along the length direction of the copper conducting wire; the inner surface of the wear-resistant layer is provided with an annular strip; a plurality of annular strips are arranged at intervals along the length direction of the wear-resistant layer; the annular strip is inserted into the annular groove and is in sliding fit with the annular groove.
Through adopting above-mentioned technical scheme, when the surface of enameled round copper wire takes place to rub, take place relative rotation easily and cause enameled round copper wire distortion to lead to inside insulating layer to produce the damage. In order to strengthen the pliability of enameled round copper wire, set up the ring channel at the surface of inoxidizing coating for but relative rotation sets up between wearing layer and the inoxidizing coating, when enameled round copper wire takes place to wrench movement, can avoid inside copper conductor to take place to rotate thereupon, further avoid the insulating layer to take place the distortion, make the difficult damage that produces of insulating layer, thereby improve copper conductor's security performance, make the life increase of enameled round copper wire. Set up the wearing layer, can improve the protection to the enameled copper round wire outside, strengthen the protection to the insulating layer for enameled copper round wire is not fragile, durable more.
The present invention may be further configured in a preferred embodiment as: and a waterproof layer is arranged between the protective layer and the insulating layer.
Through adopting above-mentioned technical scheme, set up the waterproof layer, can improve the protection to the insulating layer, improve the corrosion resistance and the oxidation resistance of insulating layer as far as possible, further improve the life of enameled copper round wire.
The present invention may be further configured in a preferred embodiment as: the waterproof layer is a photo-curing urethane modified acrylic acid cathode electrophoretic paint layer.
By adopting the technical scheme, the photocuring urethane modified acrylic cathode electrophoretic paint has excellent corrosion resistance and solvent resistance, can provide excellent waterproof and corrosion resistance for the insulating layer, and ensures the service life of the insulating layer as far as possible.
The present invention may be further configured in a preferred embodiment as: the groove diameter of the annular groove is the same as the inner diameter of the annular strip; the outer diameter of the protective layer is the same as that of the annular strip.
Through adopting above-mentioned technical scheme, set the annular strip to with annular groove looks adaptation, can improve the planarization between inoxidizing coating and the wearing layer, when the enameled copper round wire takes place the distortion, relative rotation between wearing layer and the inoxidizing coating is more steady.
The present invention may be further configured in a preferred embodiment as: the wear-resistant layer is formed by alternately weaving and rolling silica gel fibers and glass fibers.
Through adopting above-mentioned technical scheme, because the wearing layer self that glass fiber and silica gel fiber weave and roll and form has better soft tensile resistance, wrap up it in copper conductor's outside, strengthened the holistic softness performance and the toughness of polyester enameled copper round wire, and then promoted the tensile of polyester enameled copper round wire and the resistance to damage performance of coiling in-process, prolonged the life of polyester enameled copper round wire, the wearing layer has better high temperature resistance and insulating properties simultaneously.
The present invention may be further configured in a preferred embodiment as: the protective layer is a zinc coating.
Through adopting above-mentioned technical scheme, the galvanizing coat can carry out anticorrosive protection to the copper line base member, strengthens the guard action to enameled copper round wire for enameled copper round wire durability is stronger.
The present invention may be further configured in a preferred embodiment as: the insulating layer is a grade 155 polyester paint layer.
By adopting the technical scheme, the 155-grade polyester paint is the modified polyester paint, has good elasticity, adhesiveness, electrical property and solvent resistance, has wide paint preparation process range, low price and high yield, and is suitable for mass production.
The present invention may be further configured in a preferred embodiment as: lubricating oil is coated between the protective layer and the wear-resistant layer.
Through adopting above-mentioned technical scheme, coating lubricating oil between inoxidizing coating and wearing layer can further improve the protection to the insulating layer for the insulating layer is not fragile, and the adhesion of insulating layer and copper conductor is better, and then improves the life of enameled copper round wire.
To sum up, the utility model discloses following beneficial effect has:
1. in order to enhance the flexibility of the enameled round copper wire, the annular groove is formed in the outer surface of the protective layer, so that the wear-resistant layer and the protective layer can be arranged in a relative rotating mode, when the enameled round copper wire is twisted, the copper wire in the enameled round copper wire can be prevented from rotating along with the annular groove, the insulating layer is further prevented from being twisted, the insulating layer is not prone to being damaged, the safety performance of the copper wire is improved, and the service life of the enameled round copper wire is prolonged;
2. the waterproof layer is arranged, so that the protection of the insulating layer can be improved, the corrosion resistance and the oxidation resistance of the insulating layer are improved as much as possible, and the service life of the enameled round copper wire is further prolonged;
3. because the wearing layer that glass fiber and silica gel fiber weave and roll and form has better soft tensile resistance itself, wraps up it in the outside of copper conductor, has strengthened the holistic softness performance and the toughness of polyester enameled copper round wire, and then has promoted the tensile of polyester enameled copper round wire and the resistance to damage performance of coiling in-process, has prolonged the life of polyester enameled copper round wire, and the wearing layer has better high temperature resistance and insulating properties simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic structural diagram of a shielding layer according to an embodiment;
FIG. 3 is a schematic structural diagram of an embodiment, which is mainly used for embodying the relative positions and connection relations of the protective layer and the wear-resistant layer;
fig. 4 is a schematic structural view of the wear-resistant layer of the embodiment.
Reference numerals: 1. a copper wire; 2. an insulating layer; 3. a protective layer; 31. an annular groove; 4. a wear layer; 41. an annular strip; 42. silica gel fiber; 43. glass fibers; 5. and a waterproof layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a 155 grades of polyester enameled round copper wires with strong pliability, including being cylindric copper conductor 1, insulating layer 2, inoxidizing coating 3, waterproof layer 5 and wearing layer 4 have set gradually from interior to exterior to the surface of copper conductor 1.
Referring to fig. 1, an insulating layer 2 is coated on an outer surface of a copper wire 1, and the insulating layer 2 is preferably a class 155 polyester paint layer. The 155-grade polyester paint is a modified polyester paint, so that the paint has good elasticity, adhesiveness, electrical property and solvent resistance, and the 155-grade polyester paint has wide paint preparation process range, low price and high yield, and is suitable for mass production.
Referring to fig. 2, the protective layer 3 covers the outer surface of the insulating layer 2. The protective layer 3 is a zinc coating. Adopt the galvanizing coat, can improve the anticorrosive protection to copper conductor 1, strengthen the guard action to the enameled copper round wire for enameled copper round wire durability is stronger. The outer surface of the protective layer 3 is provided with a plurality of annular grooves 31, and the plurality of annular grooves 31 are arranged at intervals along the length direction of the copper conductor 1.
Referring to fig. 3, the waterproof layer 5 is disposed between the protective layer 3 and the insulating layer 2. The waterproof layer 5 is preferably a photo-curing urethane-modified acrylic cathode electrophoretic paint layer. The photocuring urethane modified acrylic cathode electrophoretic paint has excellent corrosion resistance and solvent resistance, can provide excellent waterproof and corrosion resistance for the insulating layer 2, and ensures the service life of the insulating layer 2 as far as possible.
Referring to fig. 3 and 4, the wear-resistant layer 4 is formed by cross-weaving and rolling silica gel fibers 42 and glass fibers 43. Because wearing layer 4 has the compliance and the tensile strength that add, has promoted the pliability of polyester enameled copper round wire, difficult emergence wearing and tearing in later stage processing and the use have further strengthened the insulating properties of polyurethane enameled copper round wire for polyester enameled copper round wire performance is more stable, and life is longer. A plurality of annular strips 41 are adhesively fixed to the inner surface of the wear-resistant layer 4 at intervals along the length direction of the wear-resistant layer 4. The annular strip 41 is inserted into the annular groove 31 and is in sliding fit with the annular groove 31.
Referring to fig. 3, the diameter of the annular groove 31 is the same as the inner diameter of the annular strip 41, the outer diameter of the protective layer 3 is the same as the outer diameter of the annular strip 41, the arrangement can improve the flatness between the protective layer 3 and the wear-resistant layer 4, and when the enameled round copper wire is twisted, the relative rotation between the wear-resistant layer 4 and the protective layer 3 is more stable.
Referring to fig. 3, the coating has lubricating oil between inoxidizing coating 3 and the wearing layer 4, can further improve the protection to insulating layer 2 for insulating layer 2 is not fragile, and insulating layer 2 is better with the adhesion of copper conductor 1, and then improves the life of enameled copper round wire.
The implementation principle of the embodiment is as follows: the insulating layer 2 is coated on the outer surface of the copper conductor 1, and the insulating layer 2 is preferably a 155-grade polyester paint layer because the insulating layer has good elasticity, adhesiveness, electrical properties and solvent resistance, and the 155-grade polyester paint has wide paint making process range, low price and high yield, and is suitable for mass production. Adopt the galvanizing coat as inoxidizing coating 3, can improve the anticorrosive protection to copper conductor 1, strengthen the guard action to enameled copper round wire for enameled copper round wire durability is stronger. The waterproof layer 5 is arranged, so that excellent waterproof and corrosion-resistant performances can be provided for the insulating layer 2, and the service life of the insulating layer 2 is ensured as far as possible. The wearing layer 4 has the flexibility and the tensile strength that add, has promoted the pliability of polyester enameled copper round wire, and difficult emergence wearing and tearing have further strengthened the insulating properties of polyurethane enameled copper round wire for polyester enameled copper round wire performance is more stable, and life is longer. The coating has lubricating oil between inoxidizing coating 3 and wearing layer 4, can further improve the protection to insulating layer 2 for insulating layer 2 is not fragile, and insulating layer 2 and copper conductor 1's adhesion is better.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A155-grade polyester enameled round copper wire with strong flexibility comprises a copper conductor (1) and is characterized in that: the outer surface of the copper conductor (1) is sequentially provided with an insulating layer (2), a protective layer (3) and a wear-resistant layer (4) from inside to outside; an annular groove (31) is formed in the outer surface of the protective layer (3); a plurality of annular grooves (31) are arranged at intervals along the length direction of the copper lead (1); the inner surface of the wear-resistant layer (4) is provided with an annular strip (41); a plurality of annular strips (41) are arranged at intervals along the length direction of the wear-resistant layer (4); the annular strip (41) is inserted into the annular groove (31) and is in sliding fit with the annular groove (31).
2. The polyester enameled round copper wire with strong flexibility of 155 grades as claimed in claim 1, wherein: and a waterproof layer (5) is arranged between the protective layer (3) and the insulating layer (2).
3. The polyester enameled round copper wire with strong flexibility of 155 grades as claimed in claim 2, wherein: the waterproof layer (5) is a photocuring urethane modified acrylic cathode electrophoretic paint layer.
4. The polyester enameled round copper wire with strong flexibility of 155 grades as claimed in claim 1, wherein: the groove diameter of the annular groove (31) is the same as the inner diameter of the annular strip (41); the outer diameter of the protective layer (3) is the same as that of the annular strip (41).
5. The polyester enameled round copper wire with strong flexibility of 155 grades as claimed in claim 1, wherein: the wear-resistant layer (4) is formed by crosswise weaving and rolling silica gel fibers (42) and glass fibers (43).
6. The polyester enameled round copper wire with strong flexibility of 155 grades as claimed in claim 1, wherein: the protective layer (3) is a zinc coating.
7. The polyester enameled round copper wire with strong flexibility of 155 grades as claimed in claim 1, wherein: the insulating layer (2) is a 155-grade polyester paint layer.
8. The polyester enameled round copper wire with strong flexibility of 155 grades as claimed in claim 1, wherein: lubricating oil is coated between the protective layer (3) and the wear-resistant layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198193.7U CN211507186U (en) | 2020-02-21 | 2020-02-21 | 155-grade polyester enameled round copper wire with strong flexibility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198193.7U CN211507186U (en) | 2020-02-21 | 2020-02-21 | 155-grade polyester enameled round copper wire with strong flexibility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211507186U true CN211507186U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020198193.7U Active CN211507186U (en) | 2020-02-21 | 2020-02-21 | 155-grade polyester enameled round copper wire with strong flexibility |
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| Country | Link |
|---|---|
| CN (1) | CN211507186U (en) |
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2020
- 2020-02-21 CN CN202020198193.7U patent/CN211507186U/en active Active
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