一种集成模数化功率单元

By integrating modular design and optimizing the unit housing structure, the problems of complex assembly and large footprint of static var generator power units have been solved, realizing high-precision, miniaturized and easy-to-maintain power units to meet market demands.

CN224520664UActive Publication Date: 2026-07-17LIAONING RONGXIN POWER ELECTRONICS TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIAONING RONGXIN POWER ELECTRONICS TECH CO LTD
Filing Date
2025-08-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing static var generators have complex power unit assembly, large footprint, and inconvenient maintenance, making it difficult to meet market demands.

Method used

The integrated modular design achieves high-precision assembly and miniaturization by optimizing the unit housing structure and internal parts layout. The integrated structural design simplifies the installation process, and the unit housing is equipped with insulating grooves and support columns to facilitate device installation. The lead-out design is front-facing for easy maintenance.

Benefits of technology

It achieves high-precision, integrated, miniaturized, and low-cost power units, reducing assembly errors and floor space, improving installation accuracy and maintenance convenience, and enhancing the flexibility and reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型涉及一种集成模数化功率单元,包括单元壳体、薄膜电容、散热器、叠层母排、IGBT、控制板卡;薄膜电容设置在单元壳体内的上下两端;单元壳体内设有绝缘凹槽,散热器固定在绝缘凹槽内,单元壳体前后均设有通风口;IGBT设置在散热器表面,薄膜电容经叠层母排与IGBT连接;单元壳体内设有支撑柱,控制板卡通过支撑柱固定在单元壳体内;所述的单元壳体由本体及封板组成,本体为一体式结构,绝缘凹槽、支撑柱均与本体为一体结构,本体与封板通过绝缘螺栓固定连接。优点是:本实用新型具有高精度、集成化、小型化、低成本、易安装的优点。单元壳体采用一体化结构设计,减少了装配工序,保证了装配精度。
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Claims

1. An integrated digitized power unit, characterized by Includes unit housing, film capacitors, heat sinks, stacked busbars, IGBTs, and control boards; The film capacitors are located at the top and bottom ends of the unit housing; the unit housing has an insulating groove, and the heat sink is fixed in the insulating groove; the unit housing has ventilation openings at both the front and rear; the IGBT is located on the surface of the heat sink, and the film capacitors are connected to the IGBTs via a stacked busbar; the unit housing has a support column, and the control board is fixed inside the unit housing via the support column. The unit housing consists of a body and a sealing plate. The body is an integral structure, and the insulating groove and support column are also integral structures with the body. The body and the sealing plate are fixedly connected by insulating bolts.

2. The integrated modular power unit of claim 1, wherein, The body is equipped with a support bracket for supporting the thin-film capacitor.

3. The integrated modular power unit of claim 1, wherein, The heat sink is embedded in an insulating groove and fixed to the insulating groove with bolts.

4. The integrated modular power unit of claim 1, wherein, The thin-film capacitor is disposed on the upper and lower sides of the insulating groove.

5. The integrated modular power unit of claim 1, wherein, It also includes a lead-out bar and a bypass switch. The bypass switch is fixed on the outside of the front of the unit housing. The lead-out bar is connected to the IGBT. The lead-out bar extends from the front of the unit housing and is connected to the bypass switch.

6. An integrated modular power unit according to claim 5, wherein, A bypass power board is fixed to the inner front side of the unit housing by insulating screws, and the bypass power board is connected to a bypass switch.

7. The integrated modular power unit of claim 1, wherein, The control board and the support column are fixedly connected by insulating screws.

8. The integrated modular power unit of claim 1, wherein, The front part of the main body is integrally molded with a handle.

9. The integrated modular power unit of claim 1, wherein, The body has several geometrically shaped ribs integrally formed on its exterior.

10. The integrated modular power unit of claim 1, wherein, An equipotential connector is connected between the heat sink and the housing of the film capacitor.