Flat type high power transformer

By adopting a combination of a flat design and a connecting end limiting protrusion, the coil cross-section is increased and heat dissipation is improved, thus solving the problem of transformer power enhancement and achieving higher power transmission and heat dissipation effects.

CN224582113UActive Publication Date: 2026-07-31东莞首邦电子有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
东莞首邦电子有限公司
Filing Date
2025-07-04
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

In existing technologies, the power of transformers is limited by the size of the coil cross-section, making it difficult to further increase.

Method used

The coil adopts a flat design, which is composed of several flat metal sheets and is electrically connected through the connecting end. Combined with the design of limiting protrusions and heat dissipation holes, the coil cross-section and heat dissipation effect are increased.

Benefits of technology

The transformer's power was increased and its heat dissipation performance was improved, resulting in higher power transmission capacity and heat dissipation efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224582113U_ABST
    Figure CN224582113U_ABST
Patent Text Reader

Abstract

This utility model discloses a flat high-power transformer, including an iron core, a wire frame, and a coil. The iron core passes through the wire frame, and the coil is wound on the wire frame. The coil is composed of several flat metal sheets arranged in layers, with a partition between adjacent metal sheets. Each metal sheet has a connecting end that protrudes laterally from the partition, and adjacent metal sheets are electrically connected through the connecting end. Because the coil is composed of several flat metal sheets, the cross-section of the coil is increased, resulting in a higher transformer power.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of electronics and electrical engineering, specifically to transformers. Background Technology

[0002] A transformer consists of an iron core, a wire frame, and coils. The coils are wound around the wire frame, and the iron core passes through the wire frame. The size of the coil cross-section directly affects the transformer's power output. Current technology generally uses copper wire wound around the wire frame to form the coils. Utility Model Content

[0003] The technical problem solved by this invention is: how to increase the power of a transformer.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a flat high-power transformer, including an iron core, a wire frame and a coil. The iron core passes through the wire frame, and the coil is wound on the wire frame. The coil is composed of several flat metal sheets. The several metal sheets are arranged in layers, and a partition is set between two adjacent metal sheets. Each metal sheet has a connecting end that protrudes laterally from the partition. Two adjacent metal sheets are electrically connected through the connecting end.

[0005] A coil is composed of several flat metal sheets. As the cross-section of the coil increases, the power of the transformer increases.

[0006] The wire frame has limiting protrusions on both sides, and the connecting end of the transversely protruding partition is limited by the limiting protrusions.

[0007] A first limiting protrusion is provided on one side of the wire frame, and a second limiting protrusion is provided on the other side of the wire frame. A plurality of metal sheets, including a first type of metal sheet and a second type of metal sheet, are provided. The two connecting ends of the first type of metal sheet are engaged with the two sides of the first type of limiting protrusion, and the two connecting ends of the second type of metal sheet are engaged with one side of the second limiting protrusion and the positioning post of the second limiting protrusion, respectively.

[0008] The coil positioning part is located at the center of the wire frame, and heat dissipation holes are opened on the wire frame.

[0009] The top of the iron core is fitted with a U-shaped plastic part, which is clamped onto the iron core.

[0010] Technical effects of this utility model:

[0011] First, the coil is composed of several flat metal sheets, which increases the cross-section of the coil and the power of the transformer.

[0012] Secondly, the metal sheet connection ends are exposed, and the wire frame has heat dissipation holes, resulting in good heat dissipation for the transformer. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of a flat-type high-power transformer;

[0015] Figure 2 This is a schematic diagram from another perspective of a flat-type high-power transformer;

[0016] Figure 3 An exploded view of a flat, high-power transformer;

[0017] Figure 4 This is a schematic diagram of wire frame 20.

[0018] Explanation of symbols in the diagram:

[0019] 10. Iron core;

[0020] 20. Wire frame; 21. First limiting protrusion; 22. Second limiting protrusion; 23. Positioning post; 24. Coil positioning part; 25. Heat dissipation hole;

[0021] 30. Partition;

[0022] 40. Metal sheet; 401. Connecting end; 41. Type I metal sheet; 42. Type II metal sheet;

[0023] 50. U-shaped plastic parts. Detailed Implementation

[0024] Combination Figures 1 to 3 A flat high-power transformer includes an iron core 10, a wire frame 20 and a coil. The iron core passes through the wire frame, and the coil is wound on the wire frame. The coil is composed of several flat metal sheets 40. The metal sheets are arranged in layers, and a partition 30 is provided between two adjacent metal sheets. Each metal sheet has a connecting end 401 that protrudes laterally from the partition. Two adjacent metal sheets are electrically connected through the connecting end.

[0025] Limiting protrusions are provided on both sides of the wire frame 20, and the connecting end 401 of the transversely protruding partition 30 is limited by the limiting protrusions.

[0026] A first limiting protrusion 21 is provided on one side of the wire frame 20, and a second limiting protrusion 22 is provided on the other side of the wire frame. A plurality of metal sheets include a first type of metal sheet 41 and a second type of metal sheet 42. The two connecting ends of the first type of metal sheet are engaged with the two sides of the first type of limiting protrusion, and the two connecting ends of the second type of metal sheet are engaged with one side of the second limiting protrusion and the positioning post 23 of the second limiting protrusion, respectively.

[0027] like Figure 4 The coil positioning part 24 is provided at the center of the wire frame 20, and heat dissipation holes 25 are opened on the wire frame.

[0028] The top of the iron core 10 is fitted with a U-shaped plastic part 50, which is clamped onto the iron core.

[0029] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A flat type high power transformer comprising a core (10), a bobbin (20) and a coil, the core passing through the bobbin, the coil being wound on the bobbin, characterized in that: The coil is composed of several flat metal sheets (40), which are arranged in layers. A partition (30) is provided between two adjacent metal sheets. Each metal sheet has a connecting end (401) that protrudes laterally from the partition. Two adjacent metal sheets are electrically connected through the connecting end.

2. The flat power transformer according to claim 1, characterized in that: The wire frame (20) has limiting protrusions on both sides, and the connecting end (401) of the transversely protruding partition (30) is limited by the limiting protrusions.

3. The flat power transformer according to claim 2, wherein: A first limiting protrusion (21) is provided on one side of the wire frame (20), and a second limiting protrusion (22) is provided on the other side of the wire frame. A plurality of metal sheets include a first type of metal sheet (41) and a second type of metal sheet (42). The two connecting ends of the first type of metal sheet are fitted on both sides of the first type of limiting protrusion, and the two connecting ends of the second type of metal sheet are respectively fitted on one side of the second limiting protrusion and on the positioning post (23) of the second limiting protrusion.

4. The flat power transformer according to claim 1, wherein: A coil positioning part (24) is provided at the center of the wire frame (20), and heat dissipation holes (25) are opened on the wire frame.

5. The flat power transformer according to claim 1, wherein: The top of the iron core (10) is fitted with a U-shaped plastic part (50), which is clamped onto the iron core.