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Connection structure for power conversion device

A technology of power conversion device and connection structure, which is applied in the direction of electric power device, power device, and parts of connecting device, etc., to achieve the effects of easing product accuracy, simplifying manufacturing management, and reducing manufacturing costs.

Active Publication Date: 2019-11-29
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In these power conversion devices, regarding the reliability of the electrical connection to the battery or the motor, it is necessary to fully consider the mechanical damage in the connection part due to external force such as vibration when the vehicle is running, and the damage caused by the intrusion of moisture or conductive foreign matter. Poor conduction caused by insulation breakdown, etc.

Method used

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  • Connection structure for power conversion device
  • Connection structure for power conversion device
  • Connection structure for power conversion device

Examples

Experimental program
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Effect test

Embodiment approach 1

[0025] figure 1 It is a perspective development view for demonstrating the connection structure of the power conversion apparatus concerning Embodiment 1 of this invention. Such as figure 1 As shown, the power conversion device in Embodiment 1 is configured to include a cooler 1 , casings 2 and 3 , an electrical connection unit 4 , and a cable 5 . In addition, the casings 2 and 3 correspond to housings of the power conversion device.

[0026] figure 2 It is a perspective view of a power conversion circuit incorporated in the power conversion device according to Embodiment 1 of the present invention. figure 2 The illustrated power conversion circuit 11 is configured to include a plurality of semiconductor modules 11a, capacitors 11b, and a control substrate 11c. Furthermore, the power conversion circuit 11 is housed in figure 1 Cooler 1 shown.

[0027] image 3 It is an internal configuration diagram of the casing 2 of the power conversion device in Embodiment 1 of the...

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Abstract

A connection structure for an automotive power conversion device, wherein the connection structure comprises a housing for the power conversion device, an electrical connection part that is mechanically connected to the housing and performs an electrical connection between the power conversion device and an external device, and a conductor that electrically connects the power conversion device andthe electrical connection part, the housing and the electrical connection unit being mechanically connected via an antivibration structure, and the conductor being flexible so as to be capable of following the relative displacement of the housing and the electrical connection part.

Description

technical field [0001] The present invention relates to a connection structure suitable for a vehicle-mounted power conversion device. Background technique [0002] A vehicle using an electric motor as a power source is equipped with a power conversion device such as an inverter or a converter to drive the electric motor with electric power from a battery. In these power conversion devices, regarding the reliability of the electrical connection to the battery or the motor, it is necessary to fully consider the mechanical damage in the connection part due to external force such as vibration when the vehicle is running, and the damage caused by the intrusion of moisture or conductive foreign matter. Poor conduction caused by insulation breakdown, etc. [0003] For such a power conversion device, especially when it is installed in an engine room with severe vibration conditions, in many cases, a vibration-proof structure is used for the mechanical connection part with the vehi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/48B60K1/00
CPCB60R16/0207B60K1/00B60R16/02H01R13/33H01R13/5202H01R13/533H01R2201/26H02M7/003
Inventor 林亮兵古屋豪规高桥宏明野口雅弘
Owner MITSUBISHI ELECTRIC CORP
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