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Water-cooled power module for hybrid electric vehicle

A cold power, hybrid vehicle technology, applied in electrical components, electrical solid devices, circuits, etc., can solve the problems of easy deformation of power terminals and signal terminals, affecting the life of power modules, etc., to improve anti-vibration ability, improve output ability, The effect of increasing the buffer capacity

Pending Publication Date: 2021-09-24
SHANGHAI DAOZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, after the power module in the prior art is packaged, the power terminals and signal terminals of the power module are easily deformed under the action of external force, which affects the life of the power module

Method used

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  • Water-cooled power module for hybrid electric vehicle
  • Water-cooled power module for hybrid electric vehicle
  • Water-cooled power module for hybrid electric vehicle

Examples

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Embodiment Construction

[0014] In order to make those skilled in the art more clearly understand the purpose, technical solutions and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] In describing the present invention, it should be understood that the orientations indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "transverse", "vertical" etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention, and does not indicate or imply that the referred device or element must have a specific orientation, so it should not be construed as a limitation of the present invention.

[0016] Such as Figure 1-4 As shown, a water-cooled power module for a hybrid vehicle according to the present invention mainly includes an insulating substrate 2a, an in...

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PUM

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Abstract

The invention discloses a water-cooling power module for a hybrid power vehicle. The power module mainly comprises an insulating substrate, an insulated gate bipolar transistor and diode chip part, a power terminal, a signal terminal and a thermistor, and the insulated gate bipolar transistor and diode chip part, the power terminal, the signal terminal and the thermistor are arranged on the insulating substrate; a heat dissipation substrate is arranged at the bottom of the insulating substrate, the area of the heat dissipation substrate is larger than that of the insulating substrate, and the insulating substrate is wrapped by a shell arranged on the heat dissipation substrate; the shell is of a cylindrical structure with an upper opening and a lower opening, the connecting end face of the shell and the heat dissipation substrate is sealed through sealant and is fixedly connected through self-tapping screws, and an upper cover is arranged on the top of the shell; the inner sides of two short edges of the shell and a middle cross beam are respectively provided with a buckle structure, the upper cover is in buckle connection with the shell through a correspondingly arranged buckling part, and the outer side wall surface, in contact with the power terminal, of the shell is provided with a strip-shaped step structure which extends outwards and is used for protecting the power terminal.

Description

technical field [0001] The invention relates to the technical field of power modules, in particular to a water-cooled power module for a hybrid vehicle. Background technique [0002] The power module is a power switch module packaged by power electronic devices such as metal oxide semiconductors (power MOS tubes), insulated gate field effect transistors (IGBTs), and fast recovery diodes (FRDs) according to certain functions. Power conversion in various occasions such as automobiles, photovoltaic power generation, wind power generation, and industrial frequency conversion. With the continuous development of the automobile industry, the application of power modules in automobiles is becoming more and more extensive. stray inductance of the power module. In addition, after the power module in the prior art is packaged, the power terminals and signal terminals of the power module are easily deformed under the action of external force, which affects the life of the power module...

Claims

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Application Information

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IPC IPC(8): H01L23/10H01L23/367H01L23/373H01L23/14H01L23/18H01L23/498
CPCH01L23/10H01L23/367H01L23/3736H01L23/142H01L23/18H01L23/49811
Inventor 张根成姚礼军
Owner SHANGHAI DAOZHI TECH CO LTD
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