公开(公告)号：US20230292475A1

公开(公告)日：2023-09-14

申请号：US18319057

申请日：2023-05-17

Applicant: DENSO CORPORATION

Inventor： Akira NAKASAKA ,  Seiichiro NISHIMACHI

IPC: H05K7/20 ,  H02M1/32

CPC classification number: H05K7/20936 ,  H02M1/327 ,  H05K7/20327

Abstract: A power control apparatus has a plurality of switch units, a cooling unit, and an electronic control circuit. The electronic control circuit is configured to perform: measuring temperatures of each of the plurality of switch units; comparing the temperatures of each of the plurality of switch units measured in the measuring step; and determining whether a temperature difference between any two of the plurality of switch units is greater than or equal to a threshold value based on information from the comparing step.

公开(公告)号：US20160261207A1

公开(公告)日：2016-09-08

申请号：US15058490

申请日：2016-03-02

Applicant: DENSO CORPORATION

Inventor： Keisuke MIZUSHIRI ,  Akira NAKASAKA

IPC: H02M7/5387 ,  H02M7/00

CPC classification number: H02M7/003 ,  B60L2210/00 ,  B60L2240/525

Abstract: An electric power conversion device has semiconductor modules, a main P bus bar, a main N bus bar, a capacitor module, an input P bus bar and an input N bus bar. The input N bus bar is connected to the DC s power source. The main N bus bar is connected to a negative electrode terminal of the semiconductor module to supply the DC power. A capacitor N bus bar, a filter capacitor and a smoothing capacitor in the capacitor module are molded by capacitor molded resin. The capacitor N bus bar is connected to a negative electrode terminal of the filter capacitor. The input N bus bar has a first N connection section connected to the capacitor N bus bar and a second N connection section connected to the main N bus bar. The main N bus bar is arranged outside of the capacitor mold resin.

Abstract translation: 电力转换装置具有半导体模块，主P母线，主N母线，电容器模块，输入P母线和输入N母线。 输入N母线连接到DC电源。 主N母线连接到半导体模块的负极端子以提供直流电力。 电容器模块中的电容器N母线，滤波电容器和平滑电容器由电容器模制树脂模制而成。 电容器N母线连接到滤波电容器的负极端子。 输入N母线具有连接到电容器N母线的第一N连接部分和连接到主N母线的第二N连接部分。 主N母线布置在电容器模具树脂的外部。

公开(公告)号：US20140098496A1

公开(公告)日：2014-04-10

申请号：US14050787

申请日：2013-10-10

Applicant: DENSO CORPORATION

Inventor： Akira NAKASAKA

IPC: H05K7/20

CPC classification number: H05K7/20927 ,  H01L23/40 ,  H01L23/4012 ,  H01L23/473 ,  H01L2924/0002 ,  H01L2924/00

Abstract: The power conversion apparatus includes semiconductor modules constituting a part of a power conversion circuit, a cooler including coolant passages, and a frame holding the semiconductor modules and the cooler. The semiconductor modules and the coolant passages are stacked on one another to form a stacked body. The cooler includes a pair of inlet/outlet tubes for introducing and discharging a coolant, the pair of the coolant inlet/outlet tubes extending from one of the coolant passages which is located at one end in a stacking direction of the stacked body to outside of the frame. Each of the pair of the coolant inlet/outlet tubes includes a proximal end portion located inside the frame and a distal end portion located outside the frame. In at least one of the pair of the inlet/outlet tubes, the proximal end portion has an outer diameter smaller than an outer diameter of the distal end portion.

Abstract translation: 电力转换装置包括构成功率转换电路的一部分的半导体模块，包括冷却剂通道的冷却器和保持半导体模块和冷却器的框架。 半导体模块和冷却剂通道彼此堆叠以形成堆叠体。 冷却器包括一对用于引入和排出冷却剂的入口/出口管，该对冷却剂入口/出口管从一个冷却剂通道延伸出来，该冷却剂入口/出口管沿堆叠体的堆叠方向位于一端， 框架。 一对冷却剂入口/出口管中的每一个包括位于框架内的近端部分和位于框架外部的远端部分。 在一对入口/出口管中的至少一个中，近端部的外径小于前端部的外径。

公开(公告)号：US20160315549A1

公开(公告)日：2016-10-27

申请号：US15137711

申请日：2016-04-25

Applicant: DENSO CORPORATION

Inventor： Naohisa HARADA ,  Akira NAKASAKA ,  Tsuyoshi KURAUCHI

IPC: H02M7/00 ,  H02M7/5387 ,  H05K7/20

CPC classification number: H02M7/003 ,  H02M7/5387 ,  H05K7/1432

Abstract: An electric power converter includes a semiconductor module and a DC bus bar. The semiconductor module includes a main body portion having a built-in semiconductor element therein and a DC terminal to which a DC voltage is applied projecting from the main body portion. A DC bus bar is connected to the DC terminal. The DC bus bar is disposed such that a thickness direction of the DC bus bar matches a projecting direction of the DC terminal. The penetrating portion penetrating the projecting direction is formed in the DC bus bar. The DC terminal is connected to the DC bus bar in a state where at least a part of the DC terminal is disposed in a position that can be seen from the penetrating portion when viewed from the projection direction. The penetrating portion is formed in a hole shape.

Abstract translation: 电力转换器包括半导体模块和直流母线。 半导体模块包括其中具有内置半导体元件的主体部分和从主体部分向其施加直流电压的直流端子。 直流母线连接到直流端子。 直流母线被配置为使得直流母线的厚度方向与直流端子的突出方向一致。 穿过突出方向的穿透部分形成在直流母线中。 DC端子以直流端子的至少一部分配置在从投影方向观察时可从穿透部看到的位置的状态下与直流母线连接。 穿透部形成为孔状。

公开(公告)号：US20160128216A1

公开(公告)日：2016-05-05

申请号：US14923856

申请日：2015-10-27

Applicant: DENSO CORPORATION

Inventor： Naohisa HARADA ,  Akira NAKASAKA

IPC: H05K7/02

CPC classification number: H05K7/1432

Abstract: An electric power converter includes a semiconductor module, a capacitor, and a DC bus bar that electrically connects them. The capacitor has a capacitor element and a capacitor terminal connected to the capacitor element. The capacitor terminals and the DC bus bar are connected to each other at least at two connecting portions. The DC bus bar has a bus bar main body portion that is connected to the semiconductor module. The two connecting portions are connected by at least a portion of the bus bar main body portion. The capacitor terminal has a terminal main body portion that is connected to the capacitor element. The two connecting portions are connected by at least a portion of the terminal main body portion.

Abstract translation: 电力转换器包括电连接它们的半导体模块，电容器和直流母线。 电容器具有电容器元件和连接到电容器元件的电容器端子。 电容器端子和DC母线至少在两个连接部分处彼此连接。 直流母线具有连接到半导体模块的汇流条主体部分。 两个连接部分由汇流条主体部分的至少一部分连接。 电容器端子具有连接到电容器元件的端子主体部分。 两个连接部分由端子主体部分的至少一部分连接。

公开(公告)号：US20160073556A1

公开(公告)日：2016-03-10

申请号：US14820863

申请日：2015-08-07

Applicant: DENSO CORPORATION

Inventor： Akira NAKASAKA

IPC: H05K7/20 ,  H02M7/00 ,  H02M3/04

CPC classification number: H05K7/20927 ,  H01L23/473

Abstract: An electric power converter 10 includes a flow passage FP1 formed so that cooling water can pass through while exchanging heat with semiconductor modules 51, another flow passage FP2 formed so that the cooling water can pass through while exchanging heat with a capacitor 52 and a reactor 53, and a plate-like connecting plate 200 attached in a state where a major surface thereof is disposed along a side wall 110 of a case 100. A groove 211 and a groove 221 that communicate between the flow passage FP1 and the flow passage FP2 are formed in the connecting plate 200.

Abstract translation: 电力转换器10包括形成为使得冷却水能够与半导体模块51进行热交换而通过的流路FP1，形成为使得冷却水能够与电容器52和电抗器53交换热量的另一流路FP2 以及沿其主表面沿着壳体100的侧壁110设置的状态附接的板状连接板200.在流路FP1和流路FP2之间连通的槽211和槽221是 形成在连接板200中。

公开(公告)号：US20140284765A1

公开(公告)日：2014-09-25

申请号：US14224741

申请日：2014-03-25

Applicant: DENSO CORPORATION

Inventor： Yuuya KIUCHI ,  Akira NAKASAKA

IPC: H01L23/34 ,  H01L49/02

CPC classification number: H01L28/40 ,  H01L23/4012 ,  H01L23/473 ,  H01L25/117 ,  H01L2924/0002 ,  H02M7/003 ,  H02M7/537 ,  H05K7/1427 ,  H01L2924/00

Abstract: An electric power conversion apparatus includes a stacked body, a capacitor, a metal frame and a case. The stacked body is formed by stacking semiconductor modules with coolant passages formed therebetween. The frame has both the stacked body and the capacitor fixed therein. The case has all of the stacked body, the capacitor and the frame received therein. Further, the frame has a separation wall that separates the stacked body and the capacitor from each other, a stacked body-surrounding wall that surrounds the stacked body with the help of the separation wall, and a capacitor-surrounding that surrounds the capacitor with the help of the separation wall. The capacitor has a pair of end portions that are opposite to each other in a predetermined direction, in which control terminals of the semiconductor modules of the stacked body protrude, and each at least partially exposed from the capacitor-surrounding wall of the frame.

Abstract translation: 电力转换装置包括层叠体，电容器，金属框架和壳体。 堆叠体通过堆叠形成在其间的冷却剂通道的半导体模块堆叠形成。 框架具有固定在其中的堆叠体和电容器。 这种情况具有所有的堆叠体，电容器和接收在其中的框架。 此外，框架具有将层叠体和电容器彼此分离的分隔壁，借助分隔壁围绕层叠体的层叠体围壁，围绕电容器的电容器围绕电容器 分隔墙的帮助。 电容器具有在预定方向上彼此相对的一对端部，其中堆叠体的半导体模块的控制端子突出，并且每个端部至少部分地从框架的电容器围绕的壁露出。

公开(公告)号：US20140118909A1

公开(公告)日：2014-05-01

申请号：US14057494

申请日：2013-10-18

Applicant: DENSO CORPORATION

Inventor： Mitsuharu MATSUNO ,  Hiroshi INAMURA ,  Akira NAKASAKA

IPC: H02G5/00

CPC classification number: H02M7/003

Abstract: A power conversion device comprises a main circuit section that has a semiconductor module with a switching element therein and including a main electrode terminal, a capacitor with a capacitor element therein and that includes a capacitor terminal, and a bus bar that connects the main electrode terminal and the capacitor terminal. The capacitor terminal extends from a capacitor main body including the capacitor element therein towards the main circuit section. The bus bar provides a bending section on a base end side of a connecting section between the bus bar and the capacitor terminal. The bus bar and the capacitor terminal are connected such as to overlap in a state in which respective tip directions match.

Abstract translation: 一种电力转换装置，包括主电路部分，其具有在其中具有开关元件的半导体模块，并且包括主电极端子，其中具有电容器元件的电容器，并且包括电容器端子;以及母线，其将主电极端子 和电容端子。 电容器端子从包括电容器元件的电容器主体向主电路部分延伸。 母线在汇流条和电容器端子之间的连接部的基端侧设置弯曲部。 母线和电容器端子在各个尖端方向一致的状态下连接成重叠。