High-yield enameled aluminum flat wire for transformer

Abstract

The utility model relates to the technical field of cables, and discloses a high-yield enameled flat aluminum wire for a transformer, which comprises an enameled flat aluminum wire body consisting of an anti-skid layer, a heat-conducting substrate, a conductive wire core, a heat-resistant layer, a tear-resistant layer, a polyamide-imide paint layer, a heat dissipation layer and a shielding layer, the anti-skid layer is arranged on the outermost layer of the enameled aluminum flat wire body, through holes distributed at equal intervals are formed in the heat conduction base body, and the conductive wire cores are fixedly arranged on the inner walls of the through holes; the heat-conducting base body, the heat-resisting layer and the heat-dissipating layer are arranged, the heat-conducting base body and the heat-resisting layer are both made of heat-conducting silicone grease materials, the heat-dissipating layer is made of fiber-reinforced ceramic-based composite materials, and the fiber-reinforced ceramic-based composite materials are composite materials which are formed by adding fibers into a ceramic base body to increase strength and toughness. Therefore, the enameled flat aluminum wire body has good heat dissipation performance, can rapidly dissipate heat after high-speed work, and is relatively practical and suitable for wide popularization and use.

Description

Technical Field

[0001] The utility model belongs to the technical field of cables, and in particular relates to a high-yield enameled aluminum flat wire for a transformer. Background Art

[0002] Enameled aluminum flat wire refers to a flat wire formed by coating an insulating enameled layer on aluminum wire after wire drawing. It is mainly used in household appliances, electronic circuits, communication equipment and other fields. However, the enameled aluminum flat wire has poor flexibility and often tears. Although it has good high temperature resistance, it is difficult to quickly dissipate heat after working at high speed in the transformer. Long-term use will cause inter-turn short circuit in the enameled aluminum flat wire coil.

[0003] In view of this, the utility model is provided to provide a high yield enameled aluminum flat wire for transformer to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0005] A high-yield enameled aluminum flat wire for a transformer comprises an enameled aluminum flat wire body, wherein the enameled aluminum flat wire body consists of an anti-slip layer, a heat-conducting substrate, a conductive wire core, a heat-resistant layer, a tear-resistant layer, a polyamide-imide paint layer, a heat-dissipating layer and a shielding layer, wherein the anti-slip layer is arranged on the outermost layer of the enameled aluminum flat wire body, the heat-conducting substrate is provided with through holes which are equidistantly distributed, and the conductive wire core is fixedly arranged on the inner wall of the through hole, the anti-slip layer is wrapped on the outer wall of the shielding layer, the shielding layer is wrapped on the outer wall of the heat-dissipating layer, the heat-dissipating layer is wrapped on the outer wall of the polyamide-imide paint layer, the polyamide-imide paint layer is wrapped on the outer wall of the tear-resistant layer, the tear-resistant layer is wrapped on the outer wall of the heat-resistant layer, and the heat-resistant layer is wrapped on the outer wall of the heat-conducting substrate.

[0006] As a preferred embodiment of the utility model, the heat-conducting substrate and the heat-resistant layer are both made of heat-conducting silicone grease material, and the outer wall of the heat-conducting substrate and the inner wall of the heat-resistant layer are fixedly arranged.

[0007] As a preferred embodiment of the present invention, the tear-resistant layer is made of a high-strength elastic resin material, and the inner wall of the tear-resistant layer and the outer wall of the heat-resistant layer are fixedly arranged.

[0008] As a preferred embodiment of the utility model, the heat dissipation layer is made of fiber-reinforced ceramic-based composite material, the inner wall of the heat dissipation layer is fixed to the outer wall of the polyamide-imide paint layer, and the inner wall of the polyamide-imide paint layer is fixed to the outer wall of the anti-tear layer.

[0009] As a preferred embodiment of the utility model, the shielding layer is made of EPDM rubber material and magnesium oxide thermal conductive powder material, and the inner wall of the shielding layer and the outer wall of the heat dissipation layer are fixedly arranged.

[0010] As a preferred implementation manner of the utility model, the anti-slip layer is made of graphene material, and the inner wall of the anti-slip layer and the outer wall of the shielding layer are fixedly arranged.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model provides a heat-conducting substrate, a heat-resistant layer and a heat-dissipating layer, and the heat-conducting substrate and the heat-resistant layer are both made of a heat-conducting silicone grease material, and the heat-dissipating layer is made of a fiber-reinforced ceramic-based composite material. The fiber-reinforced ceramic-based composite material is a composite material in which fibers are added to a ceramic matrix to increase strength and toughness. The enameled aluminum flat wire body has good heat dissipation performance, can quickly dissipate heat after high-speed operation, and will not cause short circuit between coil turns even in the case of long-term use.

[0013] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of the enameled aluminum flat wire body of the utility model when viewed from above;

[0016] Figure 2 This is a schematic diagram of the top view of the structure of the enameled aluminum flat wire body of the utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the enameled aluminum flat wire body of the utility model.

[0018] In the figure: 1. Enameled aluminum flat wire body; 2. Anti-slip layer; 3. Thermal conductive substrate; 4. Conductive wire core; 5. Heat-resistant layer; 6. Tear-resistant layer; 7. Polyamide-imide paint layer; 8. Heat dissipation layer; 9. Shielding layer. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0020] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0021] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0022] like Figures 1 to 3 Shown

[0023] A high-yield enameled aluminum flat wire for a transformer comprises an enameled aluminum flat wire body 1, wherein the enameled aluminum flat wire body 1 is composed of an anti-slip layer 2, a thermal conductive substrate 3, a conductive wire core 4, a heat-resistant layer 5, a tear-resistant layer 6, a polyamide-imide paint layer 7, a heat dissipation layer 8 and a shielding layer 9. The anti-slip layer 2 is arranged on the outermost layer of the enameled aluminum flat wire body 1, the thermal conductive substrate 3 is provided with equidistantly distributed through holes, and the conductive wire core 4 is fixedly arranged on the inner wall of the through hole, the anti-slip layer 2 is wrapped and arranged on the outer wall of the shielding layer 9, the shielding layer 9 is wrapped and arranged on the outer wall of the heat dissipation layer 8, the heat dissipation layer 8 is wrapped and arranged on the outer wall of the polyamide-imide paint layer 7, the polyamide-imide paint layer 7 is wrapped and arranged on the outer wall of the tear-resistant layer 6, the tear-resistant layer 6 is wrapped and arranged on the outer wall of the heat-resistant layer 5, and the heat-resistant layer 5 is wrapped and arranged on the outer wall of the thermal conductive substrate 3.

[0024] In a specific embodiment, the heat-conducting substrate 3 and the heat-resistant layer 5 are both made of thermally conductive silicone grease material, the outer wall of the heat-conducting substrate 3 and the inner wall of the heat-resistant layer 5 are fixedly arranged, and the heat dissipation layer 8 is made of a fiber-reinforced ceramic-based composite material. The heat-conducting substrate 3, the heat-resistant layer 5 and the heat-dissipating layer 8 are arranged, and the heat-conducting substrate 3 and the heat-resistant layer 5 are both made of thermally conductive silicone grease material, and the heat dissipation layer 8 is made of a fiber-reinforced ceramic-based composite material. The fiber-reinforced ceramic-based composite material is a composite material in which fibers are added to a ceramic matrix to increase strength and toughness, so that the enameled aluminum flat wire body 1 has good heat dissipation performance, can quickly dissipate heat after high-speed operation, and the coil turns will not short-circuit even under long-term use.

[0025] Furthermore, the tear-resistant layer 6 is made of high-strength elastic resin material, and the inner wall of the tear-resistant layer 6 is fixed to the outer wall of the heat-resistant layer 5. By setting the tear-resistant layer 6 made of high-strength elastic resin material, the enameled aluminum flat wire body 1 has excellent resilience, strength, tear resistance and bending resistance. The inner wall of the heat dissipation layer 8 is fixed to the outer wall of the polyamide-imide paint layer 7, and the inner wall of the polyamide-imide paint layer 7 is fixed to the outer wall of the tear-resistant layer 6. The shielding layer 9 is made of EPDM rubber material and magnesium oxide thermal conductive powder material, and the inner wall of the shielding layer 9 is fixed to the outer wall of the heat dissipation layer 8. The anti-slip layer 2 is made of graphene material, and the inner wall of the anti-slip layer 2 is fixed to the outer wall of the shielding layer 9. By setting the anti-slip layer 2 and the shielding layer 9, and the anti-slip layer 2 is made of graphene material, and the shielding layer 9 is made of EPDM rubber material and magnesium oxide thermal conductive powder material, the enameled aluminum flat wire body 1 has high strength and wear resistance, and also has thermal conductivity.

[0026] The implementation principle of the high yield enameled aluminum flat wire for transformer in this embodiment is as follows:

[0027] During specific use, a heat-conducting substrate 3, a heat-resistant layer 5 and a heat-dissipating layer 8 are provided, and the heat-conducting substrate 3 and the heat-resistant layer 5 are both made of a heat-conducting silicone grease material, and the heat-dissipating layer 8 is made of a fiber-reinforced ceramic-based composite material, and the fiber-reinforced ceramic-based composite material is a composite material in which fibers are added to a ceramic matrix to increase strength and toughness, so that the enameled aluminum flat wire body 1 has good heat dissipation performance, can quickly dissipate heat after high-speed operation, and will not cause short circuit between coil turns even in the case of long-term use. An anti-slip layer 2 and a shielding layer 9 are provided, and the anti-slip layer 2 is made of a graphene material, and the shielding layer 9 is made of an EPDM rubber material and a magnesium oxide thermally conductive powder material, so that the enameled aluminum flat wire body 1 has high strength and wear resistance, and has thermal conductivity, and an anti-tear layer 6 made of a high-strength elastic resin material is provided, so that the enameled aluminum flat wire body 1 has excellent resilience, strength, tear resistance and bending resistance.

Claims

1. A high yield enameled aluminum flat wire for transformer, comprising an enameled aluminum flat wire body (1), characterized in that: The enameled aluminum flat wire body (1) is composed of an anti-slip layer (2), a heat-conducting substrate (3), a conductive wire core (4), a heat-resistant layer (5), an anti-tear layer (6), a polyamide-imide paint layer (7), a heat-dissipating layer (8), and a shielding layer (9); the anti-slip layer (2) is arranged on the outermost layer of the enameled aluminum flat wire body (1); the heat-conducting substrate (3) is provided with through holes that are evenly distributed, and the conductive wire core (4) is fixedly arranged on the inner wall of the through hole; the anti-slip layer (2) is wrapped and arranged on the outer wall of the shielding layer (9); the shielding layer (9) is wrapped and arranged on the outer wall of the heat-dissipating layer (8); the heat-dissipating layer (8) is wrapped and arranged on the outer wall of the polyamide-imide paint layer (7); the polyamide-imide paint layer (7) is wrapped and arranged on the outer wall of the anti-tear layer (6); the anti-tear layer (6) is wrapped and arranged on the outer wall of the heat-resistant layer (5); and the heat-resistant layer (5) is wrapped and arranged on the outer wall of the heat-conducting substrate (3).

2. The high yield enameled aluminum rectangular wire for transformer according to claim 1, characterized in that: The heat-conducting substrate (3) and the heat-resistant layer (5) are both made of a heat-conducting silicone grease material, and the outer wall of the heat-conducting substrate (3) and the inner wall of the heat-resistant layer (5) are fixedly arranged.

3. The high yield enameled aluminum rectangular wire for transformer according to claim 1, characterized in that: The tear-resistant layer (6) is made of a high-strength elastic resin material, and the inner wall of the tear-resistant layer (6) is fixedly arranged with the outer wall of the heat-resistant layer (5).

4. The high yield enameled aluminum rectangular wire for transformer according to claim 1, characterized in that: The inner wall of the heat dissipation layer (8) is fixedly arranged on the outer wall of the polyamide-imide paint layer (7), and the inner wall of the polyamide-imide paint layer (7) is fixedly arranged on the outer wall of the anti-tear layer (6).

5. The high yield enameled aluminum rectangular wire for transformer according to claim 1, characterized in that: The inner wall of the shielding layer (9) and the outer wall of the heat dissipation layer (8) are fixedly arranged.

6. The high yield enameled aluminum rectangular wire for transformer according to claim 1, characterized in that: The anti-slip layer (2) is made of graphene material, and the inner wall of the anti-slip layer (2) and the outer wall of the shielding layer (9) are fixedly arranged.

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