Oil-water-resistant high-temperature-resistant strong-insulation electromagnetic wire

Abstract

The utility model relates to the technical field of electromagnetic wires, in particular to an oil-water-resistant high-temperature-resistant strong-insulation electromagnetic wire, which comprises an electromagnetic wire body, the electromagnetic wire body comprises a plurality of groups of copper electromagnetic wires, a first wrapping layer is tightly attached to the outside of each copper electromagnetic wire, and the plurality of groups of copper electromagnetic wires are tightly attached to the outside of each first wrapping layer. A carbon wire is arranged between the copper electromagnetic wires, an internal insulating layer is arranged outside the first wrapping layer, a second wrapping layer is arranged outside the internal insulating layer, and an electromagnetic wire sheath is arranged on the surface of the second wrapping layer. The electromagnetic wire is of a multi-layer wrapping layer structure, it is ensured that the electromagnetic wire has excellent oil-water resistance and heat resistance, the heat-resistant fiber layer and the second wrapping layer are arranged in a matched mode, external high temperature can be isolated in a high-temperature environment, and the stability and insulation performance of the electromagnetic wire at the high temperature are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic wires, in particular to an oil-resistant, water-resistant, high-temperature-resistant, strongly insulated electromagnetic wire. Background Art

[0002] Electromagnetic wire is an insulated wire used to make coils or windings in electrical products. Electromagnetic wire must meet a variety of usage and manufacturing process requirements. The former includes its shape, specifications, ability to work at high temperatures for short and long periods of time, and withstand strong vibrations and centrifugal forces at high speeds in certain occasions, withstand corona and breakdown at high voltages, and resist chemical corrosion in special atmospheres; the latter includes the requirements for withstanding stretching, bending and wear during winding and embedding, as well as swelling and erosion during impregnation and drying.

[0003] At present, although the electromagnetic wire products on the market have certain temperature resistance and insulation properties, they are insufficient in terms of oil and water resistance. Especially when they are in contact with corrosive media such as oil and water for a long time, they are prone to aging, cracking and other phenomena, causing the electromagnetic wire to fail. At the same time, these products also have certain limitations in high temperature resistance and cannot meet the use requirements in high temperature environments. Utility Model Content

[0004] In order to solve some problems existing in the above-mentioned prior art, the utility model provides an oil-resistant, water-resistant and high-temperature-resistant strong-insulated electromagnetic wire to solve the deficiencies existing in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides an oil-resistant, water-resistant and high-temperature-resistant strong-insulated electromagnetic wire, including an electromagnetic wire body, the electromagnetic wire body includes a copper electromagnetic wire, a first winding layer is tightly arranged on the outside of the copper electromagnetic wire, the copper electromagnetic wire is arranged in several groups, the copper electromagnetic wire is arranged in several groups, carbon wire is arranged between the copper electromagnetic wires, an internal insulating layer is arranged on the outside of the first winding layer, a second winding layer is arranged on the outside of the internal insulating layer, and an electromagnetic wire sheath is arranged on the surface of the second winding layer.

[0006] As a further improvement of the utility model, in order to ensure stable performance when in contact with corrosive media such as oil and water for a long time, the first wrapping layer and the second wrapping layer are made of polyamide-imide composite polyester imide film material, and the thickness of the first wrapping layer is preferably 0.02mm to 0.08mm.

[0007] As a further improvement of the utility model, in order to ensure that the interior of the electromagnetic wire has good high temperature resistance, a high temperature resistant coating is provided between the internal insulation layer and the first wrapping layer. The high temperature resistant coating is made of organic silicon high temperature resistant coating.

[0008] As a further improvement of the present invention, in order to ensure that the interior of the electromagnetic wire has good insulation performance, the filling material of the internal insulation layer is made of materials such as polyethylene and silica gel.

[0009] As a further improvement of the utility model, in order to ensure the stability of the internal structure of the electromagnetic wire, a pressure-resistant fiber layer is arranged between the second winding layer and the electromagnetic wire sheath, the pressure-resistant fiber layer is woven from glass fibers, and several groups of steel wires are arranged inside the pressure-resistant fiber layer.

[0010] As a further improvement of the present invention, in order to further ensure that the interior of the electromagnetic wire has a certain pressure resistance, a multi-layer structure is adopted inside the pressure-resistant fiber layer, and the plurality of steel wires are radially inserted into the pressure-resistant fiber layer.

[0011] As a further improvement of the present invention, in order to ensure that the outside of the electromagnetic wire has certain acid, alkali and heat resistance, the electromagnetic wire sheath is made of polytetrafluoroethylene, and the thickness of the electromagnetic wire sheath is preferably 0.1mm to 0.15mm, and a ceramic insulating paint layer is provided outside the electromagnetic wire sheath.

[0012] When the utility model is working, the electromagnetic wire body comprises a copper electromagnetic wire, a first winding layer is tightly arranged on the outside of the copper electromagnetic wire, a plurality of groups of copper electromagnetic wires are arranged, the copper electromagnetic wires are arranged in a plurality of groups, carbon wires are arranged between the copper electromagnetic wires, an internal insulating layer is arranged on the outside of the first winding layer, a second winding layer is arranged on the outside of the internal insulating layer, an electromagnetic wire sheath is arranged on the surface of the second winding layer, a high temperature resistant coating is arranged between the internal insulating layer and the first winding layer, and a pressure resistant fiber layer is arranged between the second winding layer and the electromagnetic wire sheath.

[0013] The beneficial effect of the utility model is that the utility model provides an oil-resistant, water-resistant and high-temperature-resistant strong-insulated electromagnetic wire. The electromagnetic wire adopts a multi-layer winding layer structure to ensure that the electromagnetic wire has excellent oil-resistant, water-resistant and heat-resistant properties. The heat-resistant fiber layer and the second winding layer are arranged in cooperation with each other, which can isolate the external high temperature in a high-temperature environment, thereby ensuring the stability and insulation performance of the electromagnetic wire at high temperatures. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings:

[0015] Figure 1 It is a structural diagram of the utility model.

[0016] Among them, 1 copper electromagnetic wire, 2 first winding layer, 3 carbon wire, 4 internal insulation layer, 5 second winding layer, 6 electromagnetic wire sheath, 7 high temperature resistant coating, 8 pressure resistant fiber layer, 9 steel wire. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the technical solution in this application, Figure 1 The utility model is further described. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0018] like Figure 1 The oil-resistant, water-resistant and high-temperature-resistant strong-insulated electromagnetic wire shown in the figure includes an electromagnetic wire body, the electromagnetic wire body includes a copper electromagnetic wire 1, a first winding layer 2 is tightly fitted on the outside of the copper electromagnetic wire 1, the copper electromagnetic wire 1 is provided with several groups, the copper electromagnetic wire 1 is provided with several groups, carbon wire 3 is provided between the copper electromagnetic wires 1, an internal insulating layer 4 is provided on the outside of the first winding layer 2, a second winding layer 5 is provided on the outside of the internal insulating layer 4, and an electromagnetic wire sheath 6 is provided on the surface of the second winding layer 5.

[0019] The first wrapping layer 2 and the second wrapping layer 5 are made of polyamide-imide composite polyester-imide film material, and the thickness of the first wrapping layer 2 is preferably 0.02 mm to 0.08 mm.

[0020] A high temperature resistant coating 7 is provided between the inner insulating layer 4 and the first wrapping layer 2. The high temperature resistant coating 7 is made of organic silicon high temperature resistant paint.

[0021] The filling material of the internal insulating layer 4 is made of materials such as polyethylene and silica gel.

[0022] A pressure-resistant fiber layer 8 is arranged between the second winding layer 5 and the electromagnetic wire sheath 6 . The pressure-resistant fiber layer 8 is woven from glass fibers. A plurality of groups of steel wires 9 are arranged inside the pressure-resistant fiber layer 8 .

[0023] The interior of the pressure-resistant fiber layer 8 adopts a multi-layer structure, and the plurality of steel wires 9 are radially inserted into the pressure-resistant fiber layer 8 .

[0024] The electromagnetic wire sheath 6 is made of polytetrafluoroethylene, and the thickness of the electromagnetic wire sheath 6 is preferably 0.1 mm to 0.15 mm. A ceramic insulating paint layer is disposed outside the electromagnetic wire sheath 6 .

[0025] When the utility model is working, the electromagnetic wire body includes a copper electromagnetic wire 1, a first winding layer 2 is tightly arranged on the outside of the copper electromagnetic wire 1, a plurality of groups of the copper electromagnetic wire 1 are arranged, and a carbon wire 3 is arranged between the copper electromagnetic wires 1, an internal insulating layer 4 is arranged on the outside of the first winding layer 2, a second winding layer 5 is arranged on the outside of the internal insulating layer 4, an electromagnetic wire sheath 6 is arranged on the surface of the second winding layer 5, a high-temperature resistant coating 7 is arranged between the internal insulating layer 4 and the first winding layer 2, and a pressure-resistant fiber layer 8 is arranged between the second winding layer 5 and the electromagnetic wire sheath 6. The cable adopts materials with good oil and water resistance such as polyamide-imide resin, which ensures that the electromagnetic wire can still maintain good performance when it is in contact with corrosive media such as oil and water for a long time; the design of the internal insulating layer 4 enables the electromagnetic wire to maintain stable performance in a high temperature environment, meeting the use requirements in a high temperature environment, and the ceramic ultra-high temperature insulating paint layer as the outermost layer has extremely high insulation performance, which can effectively prevent current leakage and electric shock accidents.

[0026] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. An oil-resistant, water-resistant and high-temperature-resistant strong insulation electromagnetic wire, comprising an electromagnetic wire body, characterized in that: The electromagnetic wire body comprises a copper electromagnetic wire (1), a first wrapping layer (2) is tightly fitted on the outside of the copper electromagnetic wire (1), the copper electromagnetic wire (1) is provided with a plurality of groups, the copper electromagnetic wire (1) is provided with a plurality of groups, a carbon wire (3) is provided between the copper electromagnetic wires (1), an internal insulating layer (4) is provided on the outside of the first wrapping layer (2), a second wrapping layer (5) is provided on the outside of the internal insulating layer (4), and an electromagnetic wire sheath (6) is provided on the surface of the second wrapping layer (5).

2. The oil-resistant, water-resistant and high-temperature-resistant strong insulation electromagnetic wire according to claim 1, characterized in that: The first wrapping layer (2) and the second wrapping layer (5) are made of a polyamide-imide composite polyester-imide film material, and the thickness of the first wrapping layer (2) is 0.02 mm to 0.08 mm.

3. The oil-resistant, water-resistant and high-temperature-resistant strong insulation electromagnetic wire according to claim 1, characterized in that: A high temperature resistant coating (7) is provided between the internal insulating layer (4) and the first wrapping layer (2), and the high temperature resistant coating (7) is made of organic silicon high temperature resistant coating.

4. The oil-resistant, water-resistant and high-temperature-resistant strong insulation electromagnetic wire according to claim 1, characterized in that: The internal insulating layer (4) is provided with a filling material.

5. The oil-resistant, water-resistant and high-temperature-resistant strong insulation electromagnetic wire according to claim 1, characterized in that: A pressure-resistant fiber layer (8) is provided between the second winding layer (5) and the electromagnetic wire sheath (6); the pressure-resistant fiber layer (8) is woven from glass fibers, and a plurality of groups of steel wires (9) are provided inside the pressure-resistant fiber layer (8).

6. The oil-resistant, water-resistant and high-temperature-resistant strong insulation electromagnetic wire according to claim 5, characterized in that: The interior of the pressure-resistant fiber layer (8) adopts a multi-layer structure, and the plurality of steel wires (9) are radially inserted into the pressure-resistant fiber layer (8).

7. The oil-resistant, water-resistant and high-temperature-resistant strong insulation electromagnetic wire according to claim 1, characterized in that: The electromagnetic wire sheath (6) is made of polytetrafluoroethylene material, and the thickness of the electromagnetic wire sheath (6) is 0.1 mm to 0.15 mm. A ceramic insulating paint layer is arranged outside the electromagnetic wire sheath (6).

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