CN211208007U

CN211208007U - High-temperature-resistant 200-grade enameled wire

Info

Publication number: CN211208007U
Application number: CN202020395750.4U
Authority: CN
Inventors: 刘明胜; 陈劲夫; 徐刚; 彭超
Original assignee: Huizhou Denggaoda Electric Co ltd
Current assignee: Huizhou Denggaoda Electric Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-08-07
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a high temperature resistant 200 grades of enameled wires, including the enameled wire body, the enameled wire body includes the copper core, the slot has been seted up on copper core outer wall surface, slot quantity is established to four, four the slot is the ring array and distributes on the outer wall surface of copper core, the copper core outer wall is equipped with the projection, projection quantity is established to four, a side surface that the copper core was kept away from to the projection is seted up flutedly. The utility model discloses an offer the slot at the outer wall of copper core to set up the projection, make firm stable the attaching to copper core of first insulating lacquer layer and second insulating lacquer layer, the effectual problem of fracture appearing simultaneously of first insulating lacquer layer and second insulating lacquer layer of having avoided, and set up the closed lacquer layer in the outside on second insulating lacquer layer, the effectual first insulating lacquer layer and the second insulating lacquer layer of having avoided peels off from the copper core, make the enameled wire body have better tolerance under high temperature operational environment.

Description

High-temperature-resistant 200-grade enameled wire

Technical Field

The utility model relates to an enameled wire technical field, concretely relates to high temperature resistant 200 grades of enameled wires.

Background

At present, enameled wires are widely applied to various electrical components, and in the fields of automobiles, household appliances and the like, the enameled wires need to be used in a high-temperature environment, and the temperature technology of the enameled wires is up to more than 200 levels.

However, when the conventional 200-grade enameled wire is used in a high-temperature environment, although the protective paint layer on the surface of the enameled wire can meet the 200-grade working temperature requirement, the protective paint layer is cracked due to poor adhesion between the copper core of the enameled wire and the protective paint layer, which affects the service life of the enameled wire

Therefore, it is necessary to invent a high temperature resistant 200-grade enameled wire to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high temperature resistant 200 grades of enameled wires, through seting up the slot at the outer wall of copper core, and set up the projection, set up slot and projection to alternate distribution, the adhesive force between copper core and the first insulating lacquer layer and the second insulating lacquer layer has been improved, make the firm stable attached to copper core of first insulating lacquer layer and second insulating lacquer layer, the effectual problem of fracture appears simultaneously in first insulating lacquer layer and the second insulating lacquer layer of having avoided, and set up the sealer coat in the outside of second insulating lacquer layer, the effectual first insulating lacquer layer and the second insulating lacquer layer of having avoided peels off from the copper core, make the enameled wire body have better tolerance under high temperature operational environment, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a high-temperature-resistant 200-grade enameled wire comprises an enameled wire body, wherein the enameled wire body comprises a copper core, the outer wall surface of the copper core is provided with four grooves, the number of the grooves is four, the grooves are distributed on the outer wall surface of the copper core in an annular array manner, the outer wall of the copper core is provided with protruding columns, the number of the protruding columns is four, the four protruding columns are distributed on the outer wall of the copper core in an annular array manner, one side surface, away from the copper core, of each protruding column is provided with a groove, the bottom ends of the two sides of each protruding column are respectively provided with a metal wire, the outer side of the copper core is coated with a first insulating paint layer, the outer side of the first insulating paint layer is coated with a second insulating paint layer, the outer side of the second insulating paint layer is fixedly bonded with a sealing paint layer, a glass fiber yarn is arranged inside the sealing, the outer wall of the protective layer is coated with a lubricating layer.

Preferably, the grooves and the convex columns are distributed at intervals, the number of the metal wires is multiple, and the metal wires are uniformly distributed on two sides of the convex columns.

Preferably, the first layer of insulating paint is made of a polyurethane insulating paint material and the second layer of insulating paint is made of a polyamideimide insulating paint material.

Preferably, the sealing paint layer is made of polyurethane insulating paint material, the number of the glass fiber yarns is multiple, and the glass fiber yarns are uniformly distributed in the sealing paint layer.

Preferably, the adhesive layer is made of polyurethane glue material, and the thickness of the adhesive layer is 0.4-0.6 mm.

Preferably, the protective layer is made of a perfluoroether rubber material, and the protective layer and the sealing paint layer are fixedly bonded together through an adhesive layer.

Preferably, the lubricating layer is made of a hydroxyl lubricating oil material.

In the technical scheme, the utility model provides a technological effect and advantage:

the grooves are formed in the outer wall of the copper core, the convex columns are arranged, the grooves and the convex columns are distributed alternately, the adhesive force between the copper core and the first insulating paint layer and the adhesive force between the copper core and the second insulating paint layer are improved, the first insulating paint layer and the second insulating paint layer are firmly and stably attached to the copper core, the problem that the first insulating paint layer and the second insulating paint layer crack simultaneously is effectively solved, the first insulating paint layer and the second insulating paint layer both have good electrical insulation property and high temperature resistance, the enameled wire body can stably work in a 200-grade temperature environment, and the sealing paint layer is arranged on the outer side of the second insulating paint layer, the second insulating paint layer and the first insulating paint layer can be firmly wrapped on the copper core, so that the first insulating paint layer and the second insulating paint layer are effectively prevented from peeling off from the copper core, and the enameled wire body has better tolerance under the high-temperature working environment.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a schematic view of the overall structure of the copper core of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 5 is an enlarged view of a portion B of fig. 3 according to the present invention.

Description of reference numerals:

1 enameled wire body, 2 copper cores, 3 grooves, 4 convex columns, 5 grooves, 6 metal wires, 7 first insulating paint layers, 8 second insulating paint layers, 9 sealing paint layers, 10 glass fiber yarns, 11 bonding layers, 12 protective layers and 13 lubricating layers.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a high temperature resistant 200-grade enameled wire as shown in figures 1-5, which comprises an enameled wire body 1, wherein the enameled wire body 1 comprises a copper core 2, grooves 3 are arranged on the outer wall surface of the copper core 2, the number of the grooves 3 is four, four grooves 3 are distributed on the outer wall surface of the copper core 2 in an annular array manner, the outer wall of the copper core 2 is provided with convex columns 4, the number of the convex columns 4 is four, the convex columns 4 are distributed on the outer wall of the copper core 2 in an annular array manner, one side surface of each convex column 4 far away from the copper core 2 is provided with a groove 5, the bottom ends of the two sides of each convex column 4 are respectively provided with a metal wire 6, the outer side of the copper core 2 is coated with a first insulating paint layer 7, the outer side of the first insulating paint layer 7 is coated with a second insulating paint layer 8, the outer side of the second insulating paint layer 8 is fixed with a sealing paint layer 9, the outer side of the sealing paint layer 9 is wrapped by a protective layer 12, an adhesive layer 11 is arranged between the sealing paint layer 9 and the protective layer 12, and the outer wall of the protective layer 12 is coated with a lubricating layer 13.

Further, in above-mentioned technical scheme, slot 3 is alternate distribution with

projection

4, 6 quantity of wire are established to a plurality ofly, and are a plurality of 6 quantity of wire are established to a plurality of, and are a plurality of 6 wire are evenly distributed in the both sides of projection 4, through set up wire 6 in the bottom both sides of projection 4, can provide good anti bending property for copper core 2, take place deformation when preventing that copper core 2 from buckling.

Further, in the above technical solution, the first insulating varnish layer 7 is made of a polyurethane insulating varnish material, the second insulating varnish layer 8 is made of a polyamide-imide insulating varnish material, and both the first insulating varnish layer 7 and the second insulating varnish layer 8 have good electrical insulation and high temperature resistance, so that the enameled wire body 1 can stably work in a 200-level temperature environment.

Further, in the above technical solution, the sealing paint layer 9 is made of a polyurethane insulating paint material, the number of the glass fiber yarns 10 is multiple, and the multiple glass fiber yarns 10 are uniformly distributed in the sealing paint layer 9.

Further, in the above technical solution, the adhesive layer 11 is made of a polyurethane adhesive material, and the thickness of the adhesive layer 11 is 0.4-0.6 mm.

Further, in the above technical scheme, protective layer 12 is made by perfluoroether rubber material, protective layer 12 and sealer coat 9 pass through bond line 11 fixed bonding and are in the same place, set up protective layer 12 at the skin of enameled wire body 1, can carry out effectual protection to the inboard of enameled wire body 1, avoid the inside of enameled wire body 1 to receive corruption or infiltration, bond line 11 has good adhesion and high temperature resistance, can be in the same place with the firm bonding of sealer coat 9 and protective layer 12.

Further, in the above technical scheme, the lubricating layer 13 is made of a hydroxyl lubricating oil material, and the lubricating layer 13 is coated on the outer layer of the protective layer 12, so that the friction coefficient of the surface of the enameled wire body 1 is reduced, and the product performance is improved.

The implementation mode is specifically as follows: the grooves 3 are formed in the outer wall of the copper core 2, the protruding columns 4 are arranged, the contact area between the copper core 2 and the first insulating paint layer 7 and the contact area between the copper core 2 and the second insulating paint layer 8 can be increased, the grooves 3 and the protruding columns 4 are arranged in an alternate distribution mode, the adhesive force between the copper core 2 and the first insulating paint layer 7 and the second insulating paint layer 8 is increased, the first insulating paint layer 7 and the second insulating paint layer 8 are firmly and stably attached to the copper core 2, the problem that the first insulating paint layer 7 and the second insulating paint layer 8 crack simultaneously is effectively solved, the first insulating paint layer 7 and the second insulating paint layer 8 both have good electrical insulating property and high temperature resistance, the enameled wire body 1 can stably work in a 200-level temperature environment, the metal wires 6 are arranged on the two sides of the bottom end of the protruding columns 4, good bending resistance can be provided for the copper core 2, and deformation of the copper core 2 is prevented when the copper core 2 is bent, the enameled wire body 1 has better mechanical performance, the sealing paint layer 9 is arranged on the outer side of the second insulating paint layer 8, the glass fiber yarns 10 are arranged on the inner side of the sealing paint layer 9, the second insulating paint layer 8 and the first insulating paint layer 7 can be firmly wrapped on the copper core 2, the first insulating paint layer 7 and the second insulating paint layer 8 are effectively prevented from peeling off from the copper core 2, the enameled wire body 1 has better tolerance under a high-temperature working environment, the protective layer 12 is arranged on the outer layer of the enameled wire body 1, the inner side of the enameled wire body 1 can be effectively protected, the inner part of the enameled wire body 1 is prevented from being corroded or permeated, the lubricating layer 13 is coated on the outer layer of the protective layer 12, the friction coefficient of the surface of the enameled wire body 1 is reduced, the product performance is improved, and the embodiment particularly solves the problem that the adhesive force between the copper core and the protective paint layer of the enameled wire in the prior art is, the problem of cracking of the protective paint layer is easy to occur.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, the grooves 3 are formed in the outer wall of the copper core 2, the convex columns 4 are arranged, the contact area between the copper core 2 and the first insulating paint layer 7 and the second insulating paint layer 8 can be increased, the grooves 3 and the convex columns 4 are arranged to be distributed alternately, the adhesive force between the copper core 2 and the first insulating paint layer 7 and the second insulating paint layer 8 is increased, the problem that the first insulating paint layer 7 and the second insulating paint layer 8 crack simultaneously is avoided, the metal wires 6 are arranged on two sides of the bottom end of each convex column 4, the copper core 2 can be provided with good bending resistance, the copper core 2 is prevented from being deformed when being bent, the sealing paint layer 9 is arranged on the outer side of the second insulating paint layer 8, the glass fiber wires 10 are arranged on the inner side of the sealing paint layer 9, the second insulating paint layer 8 and the first insulating paint layer 7 can be firmly wrapped on the copper core 2, and the peeling of the first insulating paint layer 7 and the second insulating paint layer 8 from the copper core 2 is effectively avoided, the outer layer of the enameled wire body 1 is provided with the protective layer 12, so that the inner side of the enameled wire body 1 can be effectively protected, the outer layer of the protective layer 12 is coated with the lubricating layer 13, and the friction coefficient of the surface of the enameled wire body 1 is reduced.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a high temperature resistant 200 grades of enameled wires, includes enameled wire body (1), its characterized in that: the enameled wire body (1) comprises a copper core (2), grooves (3) are formed in the outer wall surface of the copper core (2), the number of the grooves (3) is four, the grooves (3) are distributed in an annular array on the outer wall surface of the copper core (2), the outer wall of the copper core (2) is provided with protruding columns (4), the number of the protruding columns (4) is four, the protruding columns (4) are distributed in an annular array on the outer wall of the copper core (2), one side surface, far away from the copper core (2), of each protruding column (4) is provided with grooves (5), metal wires (6) are arranged at the bottoms of two sides of each protruding column (4), a first insulating paint layer (7) is coated on the outer side of the copper core (2), a second insulating paint layer (8) is coated on the outer side of the first insulating paint layer (7), and a sealing paint layer (9) is fixed on the outer side of the second insulating paint layer (8), the inside glass fiber silk (10) that is equipped with of closed paint layer (9), closed paint layer (9) outside parcel has protective layer (12), be equipped with between closed paint layer (9) and protective layer (12) bonding layer (11), protective layer (12) outer wall coating has lubricating layer (13).

2. The high-temperature-resistant 200-grade enameled wire according to claim 1, characterized in that: the groove (3) and the convex column (4) are distributed at intervals, the number of the metal wires (6) is set to be a plurality of, a plurality of the metal wires (6) are uniformly distributed on two sides of the convex column (4).

3. The high-temperature-resistant 200-grade enameled wire according to claim 1, characterized in that: the first insulating paint layer (7) is made of a polyurethane insulating paint material, and the second insulating paint layer (8) is made of a polyamide-imide insulating paint material.

4. The high-temperature-resistant 200-grade enameled wire according to claim 1, characterized in that: the sealing paint layer (9) is made of polyurethane insulating paint materials, the number of the glass fiber yarns (10) is set to be multiple, and the glass fiber yarns (10) are uniformly distributed in the sealing paint layer (9).

5. The high-temperature-resistant 200-grade enameled wire according to claim 1, characterized in that: the adhesive layer (11) is made of polyurethane adhesive material, and the thickness of the adhesive layer (11) is 0.4-0.6 mm.

6. The high-temperature-resistant 200-grade enameled wire according to claim 1, characterized in that: the protective layer (12) is made of a perfluoroether rubber material, and the protective layer (12) and the sealing paint layer (9) are fixedly bonded together through an adhesive layer (11).

7. The high-temperature-resistant 200-grade enameled wire according to claim 1, characterized in that: the lubricating layer (13) is made of a hydroxyl lubricating oil material.