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Architecture of interconnected electronic power modules for rotating electrical machines and rotating electrical machines comprising this type of architecture

A technology for power modules and rotating electrical machines, applied in the direction of connection with control/drive circuits, circuits, electromechanical devices, etc., can solve the problems of increasing cost price, increasing the complexity and quantity of mechanical parts, etc.

Active Publication Date: 2017-03-15
VALEO EQUIP ELECTRIC MOTEUR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] These arrangements increase the complexity and the number of mechanical parts used, and thus in particular they increase the cost price

Method used

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  • Architecture of interconnected electronic power modules for rotating electrical machines and rotating electrical machines comprising this type of architecture
  • Architecture of interconnected electronic power modules for rotating electrical machines and rotating electrical machines comprising this type of architecture
  • Architecture of interconnected electronic power modules for rotating electrical machines and rotating electrical machines comprising this type of architecture

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Embodiment Construction

[0031] Hereinafter, without limiting the scope of the invention in any way, the background will be the preferred application of the invention, unless stated otherwise, namely in the case of an alternator with synchronous rectification of the dual three-phase type, which generates The machine includes three power modules, each power module includes electronic power circuits of two branches of a rectifier bridge and control circuits for these electronic power modules.

[0032] Also in the following, identical or at least similar elements in the figures bear the same reference numerals and will only be described again when necessary.

[0033] Before describing the invention, it is advantageous to review briefly, with reference to FIGS. 1 and 2 , the general structure of this type of motor and an example of the electronic power circuits of the rectifier bridge and an example of the electronic circuits for controlling these circuits.

[0034] FIG. 1 shows highly schematically in lo...

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PUM

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Abstract

The present invention relates to an architecture of interconnected electronic power modules for multiphase rotating electrical machines. The present invention comprises electrically interconnected power modules (5) and connectors (6) comprising one or more layers formed by a plurality of conductive tracks carried by a board, such that the power modules (51 to 53) Electrical components connected to each other and to the rotating electrical machine. The power modules (51 to 53) comprise a plurality of connecting elements (510, 520, 530) which are brazed directly to the components of the power modules (51 to 53) and which are brazed in the upper part to the connectors (6) Conductive track. The architecture includes a heat sink (4) fitted with open cavities (41 to 43) for receiving power modules (51 to 53). The invention also relates to a polyphase rotating electrical machine using such an architecture, in particular a dual three-phase alternator with synchronous rectification.

Description

technical field [0001] The present invention relates generally to the field of rotating electric machines, in particular for motor vehicles. [0002] More particularly, it applies to alternators with synchronous rectification equipped with electronic power modules, and more particularly to polyphase alternators. Background technique [0003] For the sake of conceptual clarity, reference will be made below to a preferred application of the invention, and it will be assumed that the alternator is of the three-phase type, but this does not in any way limit the scope of the invention. [0004] By way of example, French patent FR2886477B1 describes a rotating electrical machine of the alternator type, including electronic power devices. These electronic power devices are in the form of modules of the so-called mechatronic type, comprising a bridge of power transistors using MOSFET technology and guaranteeing the reversible function of an analog-to-direct power converter (accordi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K11/33
CPCH01L25/16H01L2924/0002H02K11/33H02K9/223H02K9/227H02K11/05H01L2924/00H02K19/22H02K11/049H02K9/22H02K11/30H05K7/209H02K2211/03
Inventor R.赛登宾德B.拉法布里F.陶夫隆C.德里普雷D.德尔普雷斯M.滕奇尼R.吉拉德R.洛佩兹J.温
Owner VALEO EQUIP ELECTRIC MOTEUR
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