CN210349374U

CN210349374U - Flame-retardant corona-resistant composite enameled wire

Info

Publication number: CN210349374U
Application number: CN201920865913.8U
Authority: CN
Inventors: 璧佃; 赵衡
Original assignee: Jiangxi Zhongyi Weilian New Material Technology Co Ltd
Current assignee: Jiangxi Zhongyi Weilian New Material Technology Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-04-17
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a flame-retardant corona-resistant composite enameled wire, which belongs to the enameled wire field and aims at the problem of poor flame retardance and corona resistance effect of the existing enameled wire, the utility model provides a scheme which comprises a copper wire, wherein the outer end surface of the copper wire is wrapped with a polyester imide paint layer, the outer end surface of the polyester imide paint layer is wrapped with an inner layer, the outer end surface of the inner layer is wrapped with an insulating layer, the outer end surface of the insulating layer is wrapped with an outer layer, the thickness of the inner layer is the same as that of the outer layer, the outer layer comprises a moisture-proof layer and a fireproof coating, the moisture-proof layer is wrapped on the outer end surface of the insulating layer, the fireproof coating is wrapped on the outer end surface of the moisture-proof layer, the inner layer comprises an oxidation-resistant layer and a flame-retardant layer, the oxidation-resistant layer is arranged on the outer end surface of, the moisture-proof and fireproof performance is good, the insulation effect is good, and the practicability is high.

Description

Flame-retardant corona-resistant composite enameled wire

Technical Field

The utility model relates to an enameled wire technical field especially relates to a compound enameled wire of anti corona of fire resistance.

Background

The enameled wire is a main variety of winding wires and consists of a conductor and an insulating layer, and a bare wire is annealed and softened and then is subjected to painting and baking for multiple times. However, it is not easy to produce a product which meets both the standard requirements and the customer requirements, and it is influenced by the quality of raw materials, process parameters, production equipment, environment and other factors, so that the quality characteristics of various enameled wires are different, but the enameled wires have four properties of mechanical properties, chemical properties, electrical properties and thermal properties. The problem that the existing enameled wire is poor in flame retardance and corona resistance effect is solved, and a flame-retardant corona-resistant composite enameled wire is further provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a compound enameled wire of anti corona of fire resistance has solved the poor problem of current enameled wire fire resistance and anti corona effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compound enameled wire of fire resistance anti-corona, includes copper line, anti-corona paint layer, the outer terminal surface parcel of copper line has polyester imine paint layer, the outer terminal surface parcel of polyester imine paint layer has the inlayer, the outer terminal surface parcel of inlayer has the insulating layer, the outer terminal surface parcel of insulating layer has the skin, and the inlayer is the same with outer thickness, the skin includes dampproof course and fire prevention coating, the dampproof course parcel is terminal surface outside the insulating layer, fire prevention coating parcel is terminal surface outside the dampproof course, the inlayer includes oxidation resisting layer and fire-retardant layer, oxidation resisting layer establishes on the outer terminal surface of polyester imine paint layer, fire-retardant layer parcel is on the outer terminal surface of oxidation resisting layer, the outer terminal surface parcel of anti-corona paint layer has.

Preferably, the thickness of the polyester imide paint layer is 0.03-0.08mm, the thickness of the polyamide imide paint layer is 0.02-0.05mm, and the thickness of the corona-resistant paint layer is 0.2-0.3 mm.

Preferably, the copper wire has a circular cross section.

Preferably, the outer end face of the outer layer is wrapped with a corona-resistant paint layer.

Preferably, the material of the oxidation resistant layer is polyester fiber.

Preferably, the moisture barrier material is a high density crosslinked polyethylene layer.

Preferably, the flame-retardant layer material is a mica tape.

Preferably, the fireproof coating material is asbestos fiber.

The utility model has the advantages that: through having added corona resistant lacquer layer, and then can improve the utility model discloses an anti corona ability through having added fire protection coating, and then can improve the utility model discloses a fire prevention effect, through having added the dampproof course, and then can improve the utility model discloses a dampproof effect through having added fire-retardant layer, and then can improve the utility model discloses a fire-retardant effect, through setting up the antioxidation coating, and then can improve the utility model discloses an anti oxidation effect.

The utility model discloses fire-retardant anti-corona is effectual, and dampproofing fire behavior is good, and is insulating effectual, and the practicality is high.

Drawings

Fig. 1 is a cross-sectional view of a front view in a flame-retardant corona-resistant composite enameled wire according to the present invention.

Fig. 2 is a sectional view of a side view of an outer layer partial structure in a flame-retardant corona-resistant composite enameled wire.

Fig. 3 is a sectional view of a side view of a partial structure of an inner layer in a flame-retardant corona-resistant composite enameled wire.

Reference numbers in the figures: 1 polyamide imide paint layer, 2 corona-resistant paint layer, 3 outer layer, 4 insulating layer, 5 polyester imide paint layer, 6 inner layer, 7 copper wire, 31 fireproof coating, 32 damp-proof layer, 61 flame-retardant layer and 62 oxidation-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a flame-retardant corona-resistant composite enameled wire comprises a copper wire 7 and a corona-resistant paint layer, wherein the outer end face of the copper wire 7 is wrapped with a polyester imide paint layer 5, the outer end face of the polyester imide paint layer 5 is wrapped with an inner layer 6, the outer end face of the inner layer 6 is wrapped with an insulating layer 4, the outer end face of the insulating layer 4 is wrapped with an outer layer 3, and the thickness of the inner layer 6 is the same as that of the outer layer 3.

The outer layer 3 comprises a moisture-proof layer 32 and a fireproof coating 31, the moisture-proof layer 32 is wrapped on the outer end face of the insulating layer 4, and the fireproof coating 31 is wrapped on the outer end face of the moisture-proof layer 32.

The inner layer 6 comprises an oxidation resistant layer 62 and a flame retardant layer 61, the oxidation resistant layer 62 is arranged on the outer end face of the polyester imide paint layer 5, and the flame retardant layer 61 is wrapped on the outer end face of the oxidation resistant layer 62.

In this embodiment, the outer end surface of the corona-resistant paint layer 2 is wrapped with a polyamide-imide paint layer 1, the thickness of the polyester-imide paint layer 5 is 0.03-0.08mm, the thickness of the polyamide-imide paint layer 1 is 0.02-0.05mm, the thickness of the corona-resistant paint layer 2 is 0.2-0.3mm, the cross section of the copper wire 7 is circular, the outer end surface of the outer layer 3 is wrapped with the corona-resistant paint layer 2, the oxidation-resistant layer 62 is made of polyester fibers, the moisture-proof layer 32 is made of a high-density crosslinked polyethylene layer, the flame-retardant layer 61 is made of mica tapes, and the fireproof coating 31 is made.

Example (b): through setting up corona resistant lacquer layer 2, and then can improve the utility model discloses an anti corona ability, through setting up fire protection coating 31, and then can improve the utility model discloses a fire prevention effect, through setting up dampproof course 32, and then can improve the utility model discloses a dampproof effect through setting up fire-retardant layer 61, and then can improve the utility model discloses a fire-retardant effect, through setting up oxidation resisting layer 62, and then can improve the utility model discloses an anti oxidation effect. The utility model discloses fire-retardant anti-corona is effectual, and dampproofing fire behavior is good, and is insulating effectual, and the practicality is high.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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 limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The flame-retardant anti-corona composite enameled wire comprises a copper wire (7) and an anti-corona paint layer (2), and is characterized in that the outer end face of the copper wire (7) is wrapped with a polyester imide paint layer (5), the outer end face of the polyester imide paint layer (5) is wrapped with an inner layer (6), the outer end face of the inner layer (6) is wrapped with an insulating layer (4), the outer end face of the insulating layer (4) is wrapped with an outer layer (3), and the inner layer (6) and the outer layer (3) are the same in thickness;

the outer layer (3) comprises a moisture-proof layer (32) and a fireproof coating (31), the moisture-proof layer (32) is wrapped on the outer end face of the insulating layer (4), and the fireproof coating (31) is wrapped on the outer end face of the moisture-proof layer (32);

inner layer (6) include oxidation resistant layer (62) and fire-retardant layer (61), establish on the outer terminal surface of polyester imide paint layer (5) oxidation resistant layer (62), fire-retardant layer (61) parcel is on the outer terminal surface of oxidation resistant layer (62), the outer terminal surface parcel of corona resistant paint layer (2) has polyamide imide paint layer (1).

2. The flame-retardant corona-resistant composite enameled wire according to claim 1, wherein the thickness of the polyester imide paint layer (5) is 0.03-0.08mm, the thickness of the polyamide imide paint layer (1) is 0.02-0.05mm, and the thickness of the corona-resistant paint layer (2) is 0.2-0.3 mm.

3. The flame-retardant corona-resistant composite enameled wire according to claim 1, wherein the copper wire (7) is circular in cross section.

4. The flame-retardant corona-resistant composite enameled wire according to claim 1, wherein the outer end surface of the outer layer (3) is wrapped with a corona-resistant paint layer (2).