High-permeability oriented silicon steel coil with insulating layer

Abstract

The high-permeability oriented silicon steel coil with the insulating layer comprises a steel coil body, a steel coil outer edge, a first magnesium oxide coating and a first shielding layer, the steel coil outer edge is arranged at one end of the outside of the steel coil body, the steel coil body is coiled to be cylindrical, the first magnesium oxide coating is arranged at the top of the steel coil body, and the first magnesium oxide coating is arranged at the other end of the steel coil body. A first magnesium oxide coating is arranged at the top of the steel coil body, a first shielding layer is arranged at the top of the first magnesium oxide coating, a first wear-resistant layer is arranged at the top of the first shielding layer, a first insulating layer is arranged at the top of the first wear-resistant layer, a second magnesium oxide coating is arranged at the bottom of the steel coil body, and a second shielding layer is arranged at the bottom of the second magnesium oxide coating. And a second wear-resistant layer is arranged at the bottom of the second shielding layer. The first wear-resistant layer and the second wear-resistant layer are arranged outside the steel coil, and the hardness of the first wear-resistant layer and the hardness of the second wear-resistant layer are high, so that the steel coil is prevented from being scratched during processing or transportation.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon steel coils, in particular to a high magnetic permeability oriented silicon steel coil with an insulating layer. Background Art

[0002] Oriented silicon steel is an important soft magnetic material. It is widely used in various motors due to its low core loss and high magnetic induction intensity. In recent years, with the continuous improvement of social awareness of energy conservation, emission reduction and resource environmental protection, the performance and output of oriented silicon steel cannot fully meet the needs of the electromechanical industry. The existing high-magnetic permeability oriented silicon steel coils generally have poor wear resistance and are easily scratched. Utility Model Content

[0003] The utility model aims to provide a high magnetic permeability oriented silicon steel coil with an insulating layer to solve the problem that the existing high magnetic permeability oriented silicon steel coil mentioned in the above background technology generally has poor wear resistance and the steel coil is easily scratched.

[0004] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a high magnetic permeability oriented silicon steel coil with an insulating layer, comprising a steel coil body, a steel coil outer edge, a first magnesium oxide coating and a first shielding layer, wherein the outer edge of the steel coil is arranged at one end of the outside of the steel coil body, the steel coil body is rolled into a cylindrical shape, the top of the steel coil body is provided with a first magnesium oxide coating, the top of the first magnesium oxide coating is provided with a first shielding layer, the top of the first shielding layer is provided with a first wear-resistant layer, the top of the first wear-resistant layer is provided with a first insulating layer, the bottom of the steel coil body is provided with a second magnesium oxide coating, the bottom of the second magnesium oxide coating is provided with a second shielding layer, the bottom of the second shielding layer is provided with a second wear-resistant layer, and the bottom of the second wear-resistant layer is provided with a second insulating layer.

[0005] Preferably, the thickness of the first magnesium oxide coating is 20-30 nanometers, and the thickness of the second magnesium oxide coating is also 20-30 nanometers.

[0006] Preferably, the thickness of the first shielding layer is 40-50 nanometers, and the thickness of the second shielding layer is also 40-20 nanometers.

[0007] Preferably, the thickness of the first wear-resistant layer is 30-50 nanometers, and the thickness of the second wear-resistant layer is also 30-50 nanometers.

[0008] Preferably, the thickness of the first insulating layer is 60-70 nanometers, and the thickness of the second insulating layer is also 60-70 nanometers.

[0009] Preferably, the first shielding layer and the second shielding layer are made of copper foil, and the first wear-resistant layer and the second wear-resistant layer are made of metal nickel.

[0010] Preferably, the first insulating layer and the second insulating layer are composed of phosphate of at least one of Ca, Ba, Sr, Zn, Al and Mn.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the high magnetic permeability oriented silicon steel coil with an insulating layer has a reasonable structure and has the following advantages:

[0012] (1) The wear resistance of the steel coil is improved by providing the first wear-resistant layer and the second wear-resistant layer. The surface of the existing steel coil is easily scratched during transportation or processing. Therefore, by providing the first wear-resistant layer and the second wear-resistant layer on the outside of the steel coil, the hardness of the first wear-resistant layer and the second wear-resistant layer is higher, thereby preventing the steel coil from being scratched during processing or transportation.

[0013] (2) The first shielding layer and the second shielding layer are provided to make the steel coil have a certain shielding property. In order to make the steel coil have a certain shielding property, the first shielding layer and the second shielding layer are coated. The first shielding layer and the second shielding layer have good shielding efficiency, so that the shielding effect of the steel coil is better.

[0014] (3) The steel coil has good insulation properties by providing the first insulation layer and the second insulation layer. Therefore, when in use, the first insulation layer and the second insulation layer are provided on the steel coil. The materials of the first insulation layer and the second insulation layer have good insulation properties, so that the steel coil has good insulation properties. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0016] Figure 2 It is a top view of the three-dimensional structure of the utility model;

[0017] Figure 3 This is a bottom-up three-dimensional structural schematic diagram of the utility model;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the utility model from the back;

[0019] Figure 5 It is a schematic diagram of the internal structure of the steel coil body of the utility model.

[0020] In the figure: 1. Steel coil body; 2. Outer edge of steel coil; 3. First magnesium oxide coating; 4. First shielding layer; 5. First wear-resistant layer; 6. First insulating layer; 7. Second magnesium oxide coating; 8. Second shielding layer; 9. Second wear-resistant layer; 10. Second insulating layer. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the utility model shall fall within the scope of protection of the utility model.

[0026] See also Figure 1-5The utility model provides an embodiment: a high magnetic permeability oriented silicon steel coil with an insulating layer, characterized in that it includes a steel coil body 1, a steel coil outer edge 2, a first magnesium oxide coating 3 and a first shielding layer 4, one end of the steel coil body 1 is provided with a steel coil outer edge 2, the steel coil body 1 is rolled into a cylindrical shape, the top of the steel coil body 1 is provided with a first magnesium oxide coating 3, the top of the first magnesium oxide coating 3 is provided with a first shielding layer 4, the top of the first shielding layer 4 is provided with a first wear-resistant layer 5, the top of the first wear-resistant layer 5 is provided with a first insulating layer 6, the bottom of the steel coil body 1 is provided with a second magnesium oxide coating 7, the bottom of the second magnesium oxide coating 7 is provided with a second shielding layer 8, the bottom of the second shielding layer 8 is provided with a second wear-resistant layer 9, and the bottom of the second wear-resistant layer 9 is provided with a second insulating layer 10;

[0027] By arranging the first wear-resistant layer 5 and the second wear-resistant layer 9 on the outside of the steel coil, the first wear-resistant layer 5 and the second wear-resistant layer 9 have high hardness, thereby preventing the steel coil from being scratched during processing or transportation;

[0028] The thickness of the first magnesium oxide coating 3 is 20-30 nanometers, the thickness of the second magnesium oxide coating 7 is also 20-30 nanometers, the thickness of the first shielding layer 4 is 40-50 nanometers, and the thickness of the second shielding layer 8 is also 40-20 nanometers;

[0029] The thickness of the first wear-resistant layer 5 is 30-50 nanometers, the thickness of the second wear-resistant layer 9 is also 30-50 nanometers, the thickness of the first insulating layer 6 is 60-70 nanometers, and the thickness of the second insulating layer 10 is also 60-70 nanometers;

[0030] By coating the first shielding layer 4 and the second shielding layer 8, the first shielding layer 4 and the second shielding layer 8 have good shielding efficiency, so that the shielding effect of the steel coil is better;

[0031] The first shielding layer 4 and the second shielding layer 8 are made of copper foil, the first wear-resistant layer 5 and the second wear-resistant layer 9 are made of metal nickel, and the first insulating layer 6 and the second insulating layer 10 are made of phosphate of at least one of Ca, Ba, Sr, Zn, Al and Mn;

[0032] A first insulating layer 6 and a second insulating layer 10 are provided on the steel coil. The materials of the first insulating layer 6 and the second insulating layer 10 have good insulation properties, so that the steel coil has good insulation properties.

[0033] When the embodiment of the present application is in use, a first wear-resistant layer 5 and a second wear-resistant layer 9 are provided on the outside of the steel coil. The hardness of the first wear-resistant layer 5 and the second wear-resistant layer 9 is relatively high, thereby preventing the steel coil from being scratched during processing or transportation. The first shielding layer 4 and the second shielding layer 8 are coated. The first shielding layer 4 and the second shielding layer 8 have good shielding efficiency, so that the shielding effect of the steel coil is better. A first insulating layer 6 and a second insulating layer 10 are provided on the steel coil. The materials of the first insulating layer 6 and the second insulating layer 10 have good insulation properties, so that the steel coil has good insulation properties. The first magnesium oxide coating 3 is used to give the steel coil an anti-corrosion function.

[0034] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. A high magnetic permeability oriented silicon steel coil with an insulating layer, characterized in that: The invention comprises a steel coil body (1), a steel coil outer edge (2), a first magnesium oxide coating (3) and a first shielding layer (4), wherein the steel coil outer edge (2) is arranged at one end of the steel coil body (1), the steel coil body (1) is rolled into a cylindrical shape, the top of the steel coil body (1) is provided with a first magnesium oxide coating (3), the top of the first magnesium oxide coating (3) is provided with a first shielding layer (4), the top of the first shielding layer (4) is provided with a first wear-resistant layer (5), the top of the first wear-resistant layer (5) is provided with a first insulating layer (6), the bottom of the steel coil body (1) is provided with a second magnesium oxide coating (7), the bottom of the second magnesium oxide coating (7) is provided with a second shielding layer (8), the bottom of the second shielding layer (8) is provided with a second wear-resistant layer (9), and the bottom of the second wear-resistant layer (9) is provided with a second insulating layer (10).

2. The high magnetic permeability oriented silicon steel coil with an insulating layer according to claim 1, characterized in that: The thickness of the first magnesium oxide coating (3) is 20-30 nanometers, and the thickness of the second magnesium oxide coating (7) is also 20-30 nanometers.

3. The high magnetic permeability oriented silicon steel coil with an insulating layer according to claim 1, characterized in that: The thickness of the first shielding layer (4) is 40-50 nanometers, and the thickness of the second shielding layer (8) is also 40-20 nanometers.

4. The high magnetic permeability oriented silicon steel coil with an insulating layer according to claim 1, characterized in that: The thickness of the first wear-resistant layer (5) is 30-50 nanometers, and the thickness of the second wear-resistant layer (9) is also 30-50 nanometers.

5. The high magnetic permeability oriented silicon steel coil with an insulating layer according to claim 1, characterized in that: The thickness of the first insulating layer (6) is 60-70 nanometers, and the thickness of the second insulating layer (10) is also 60-70 nanometers.

6. The high magnetic permeability oriented silicon steel coil with an insulating layer according to claim 1, characterized in that: The first shielding layer (4) and the second shielding layer (8) are made of copper foil, and the first wear-resistant layer (5) and the second wear-resistant layer (9) are made of metal nickel.

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