摘要：【中文】一种新型逆变功率单元，包括第一逆变散热模块、第二逆变散热模块、风道组件以及驱动组件；第一逆变散热模块和第二逆变散热模块背靠背垂直对称设置在风道组件的两侧；第一逆变散热模块与第二逆变散热模块通过环路并行热管连接；驱动组件与风道组件连接；功率单元使用两个散热器，采用背靠背双面对称布局结构，不仅散热均匀，而且散热效率高，降低产品故障率；采用环路并行热管散热的功率单元，体积小，散热量大，可以灵活安装在变流器不同方位，减少了变流器体积和重量。 【EN】A novel inversion power unit comprises a first inversion heat dissipation module, a second inversion heat dissipation module, an air duct assembly and a driving assembly; the first inversion heat dissipation module and the second inversion heat dissipation module are vertically and symmetrically arranged on two sides of the air duct assembly back to back; the first inversion heat dissipation module is connected with the second inversion heat dissipation module through a loop parallel heat pipe; the driving assembly is connected with the air duct assembly; the power unit uses two radiators and adopts a back-to-back double-side symmetrical layout structure, so that the heat dissipation is uniform, the heat dissipation efficiency is high, and the failure rate of a product is reduced; the power unit adopting the loop parallel heat pipe for heat dissipation has small volume and large heat dissipation capacity, can be flexibly arranged in different directions of the converter, and reduces the volume and weight of the converter.

摘要：【中文】本发明属于内燃机车变流系统散热及电气隔离技术领域，涉及基于电气隔离悬挂框架的内燃机车嵌套式热管散热器，包括第一热管散热器、第二热管散热器，第二热管散热器通过电气隔离悬挂框架安装于第一热管散热器上，第一热管散热器的基板上安装面与第二热管散热器的基板上安装面在同一平面；第一热管散热器的基板上安装面固定有三相整流功率模块，第二热管散热器的基板上安装面固定有双向DC/DC转换功率模块，电气隔离悬挂框架将整流功率模块和双向DC/DC转换功率模块集成在功率单元主体内，两者相互独立并通过复合母排电气连接，整个功率单元主体，结构紧凑，拆装灵活，解决整个功率单元因不同电压等级的功率模块独立布局时占用空间的问题。 【EN】The invention belongs to the technical field of heat dissipation and electrical isolation of a variable flow system of a diesel locomotive, and relates to a nested heat pipe radiator of the diesel locomotive based on an electrical isolation suspension frame, which comprises a first heat pipe radiator and a second heat pipe radiator, wherein the second heat pipe radiator is arranged on the first heat pipe radiator through the electrical isolation suspension frame; the three-phase rectification power module is fixed on the mounting surface of the substrate of the first heat pipe radiator, the bidirectional DC/DC conversion power module is fixed on the mounting surface of the substrate of the second heat pipe radiator, the rectification power module and the bidirectional DC/DC conversion power module are integrated in the power unit main body by the electrical isolation suspension frame, the rectification power module and the bidirectional DC/DC conversion power module are mutually independent and are electrically connected through the composite busbar, and the whole power unit main body is compact in structure and flexible in disassembly and assembly, and the problem that the whole power unit occupies space when power modules with different voltage levels are independently distributed is solved.

摘要：【中文】一种多功能的新型高效功率单元，新型高效功率单元包括三相整流单元和三电平结构的双向DC/DC斩波变换单元；双向DC/DC斩波变换单元既可以实现降压斩波功能，又可以实现升压斩波功能，从而实现能量的双向流动；三相整流单元和三电平结构的双向DC/DC斩波变换单元通过绝缘装置固定连接；三相整流单元和三电平结构的双向DC/DC斩波变换单元顶部安装有支撑电容；整个多功能功率单元采用H型风道设计，风道与功率单元左右结构装配，三相整流单元与三电平结构的双向DC/DC斩波变换单元相互独立,两个单元通过绝缘装置进行紧固连接，保证两个模块单元的热管散热器表面在同一个平面上，整体模块内部相互独立，外部自成一体；支撑电容安装在功率单元上方，结构紧凑，拆装灵活。 【EN】A novel multifunctional efficient power unit comprises a three-phase rectifying unit and a bidirectional DC/DC chopping conversion unit with a three-level structure; the bidirectional DC/DC chopping conversion unit can realize the functions of voltage reduction chopping and voltage boost chopping, thereby realizing the bidirectional flow of energy; the three-phase rectifying unit is fixedly connected with the bidirectional DC/DC chopping conversion unit with a three-level structure through an insulating device; supporting capacitors are arranged at the tops of the three-phase rectifying unit and the bidirectional DC/DC chopping conversion unit with the three-level structure; the whole multifunctional power unit adopts an H-shaped air channel design, the air channel and the left and right structures of the power unit are assembled, the three-phase rectifying unit and the bidirectional DC/DC chopper conversion unit with a three-level structure are mutually independent, the two units are fixedly connected through an insulating device, the surfaces of the heat pipe radiators of the two module units are ensured to be on the same plane, the inside of the whole module is mutually independent, and the outside of the whole module is self-integrated; the support capacitor is arranged above the power unit, the structure is compact, and the disassembly and the assembly are flexible.