A transformer device integrating resonant inductance, current transformer, transformer
CN224696601UActive Publication Date: 2026-08-28TIANCHANG YUNCHUANG ELECTRONICS TECH CO LTD
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Patent Information
- Application Number
- CN202522103348.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-29
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-29
AI Technical Summary
Technical Problem
[0005]为达到上述目的，本实用新型的一种集成谐振电感、电流互感器、变压器的变压器装置技术方案，旨在解决现有电源设计中多磁性元件分立导致体积大、成本高的问题
Benefits of technology
[0005]为达到上述目的，本实用新型的一种集成谐振电感、电流互感器、变压器的变压器装置技术方案，旨在解决现有电源设计中多磁性元件分立导致体积大、成本高的问题。该装置的核心在于通过创新的磁芯结构与绕线工艺，将三大功能无缝集成于单一磁芯内。具体而言，采用复合磁芯设计，其中变压器部分为三磁柱结构，提供主功率变换磁路；电流互感器部分采用一字排布的四磁柱结构，并巧妙利用其内部的第五、第六磁柱产生的副边漏磁来实现谐振电感功能，无需额外磁芯。次级线圈采用独特的三端子引出方式，穿梭于电流互感器的磁柱之间，使其电流成为被测信号。电流互感器线圈采用对称差模绕法，能精确感应次级电流的同时，有效抵消共模噪声及其他磁场干扰，确保采样精度。磁芯关键位置设有可调气隙，用于精确优化励磁电感量与防饱和特性。本装置还采用扁平化设计，显著降低剖面高度。其有益效果是实现了磁性元件的高密度集成，大幅缩减了电源体积与制造成本，提升了系统可靠性，特别适用于对大功率、小型化及低成本有苛刻要求的开关电源领域。
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Abstract
The utility model discloses integrated resonant inductance, current transformer, transformer's transformer device, wherein transformer magnetic core includes first magnetic column, second magnetic column and third magnetic column, wherein second magnetic column and third magnetic column are symmetric distribution, and first magnetic column is in the middle of second magnetic column and third magnetic column, current transformer magnetic core includes fourth magnetic column, fifth magnetic column, sixth magnetic column and seventh magnetic column, and the four magnetic columns are in a word array arrangement, resonant inductance magnetic core includes fifth magnetic column and sixth magnetic column provides side leakage, transformer coil includes primary coil and secondary coil, wherein primary coil and secondary coil are all wound on the surface of first magnetic column, current transformer coil includes first coil and second coil, and first coil is wound on the surface of fourth magnetic column and fifth magnetic column, and second coil is wound on the surface of sixth magnetic column and seventh magnetic column, the magnetic core space air gap transformer magnetic core and current transformer magnetic core all are equipped with space air gap, and the design cost of power supply is reduced, and the power supply volume is reduced.
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