Switching element unit and switching element module

A technology of switching elements and switching element groups, which is applied in the direction of electrical components, semiconductor/solid-state device parts, electric solid-state devices, etc., and can solve the problems of open connection structure without electricity
CN112272867APending Publication Date: 2021-01-26AISIN CORP
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
AISIN CORP
Publication Date
2021-01-26

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Abstract

The present invention relates to a switching element unit and a switching element module. In the present invention, a first switching element (31) and a second switching element (32) are disposed so as to be arrayed in a first direction (X). An output busbar (40) is disposed along the first direction (X). The first switching element (31) and the second switching element (32) are disposed so as tobe embedded in a molded part (2). The output busbar (40) comprises: an embedded section (40c) that is embedded in the molded part (2); a first exposed section (40a) that is exposed from the molded part (2) on one side in the first direction (X) in relation to a switching element group (20); and a second exposed section (40b) that is exposed from the molded part (2) on another side in the first direction (X) in relation to the switching element group (20).
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Description

technical field

[0001] The present invention relates to a switching element unit including a switching element group constituting an inverter circuit, and a switching element module including a plurality of such switching element units. Background technique

[0002] An example of such a switching element unit is described in JP-A-2002-369496 (Patent Document 1). Patent Document 1 discloses a process for preventing errors caused by unbalanced switching of power elements when intelligent power modules (IPMs) constituting an inverter circuit are connected in parallel and used. Current detection, heat concentration technology. Although it is not clearly described in Patent Document 1, by connecting the IPMs in parallel in this manner, the current capacity of the inverter circuit as a whole can be increased to drive large-capacity AC equipment.

[0003] However, in the case of a structure in which the current capacity of the entire switching element module including a plurality...

Claims

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