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Packaging method and device for an excitation circuit present inside a rotor body

A technology for exciting circuits and packaging methods, applied in electromechanical devices, electrical components, electrical components, etc., can solve problems such as large heat loss, and achieve the effects of effective mechanical fixation, fast processing, and saving packaging materials

Inactive Publication Date: 2012-07-25
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such power electronic components generate a great deal of heat loss during operation, which must be removed from the area of ​​the excitation circuit

Method used

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  • Packaging method and device for an excitation circuit present inside a rotor body
  • Packaging method and device for an excitation circuit present inside a rotor body
  • Packaging method and device for an excitation circuit present inside a rotor body

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Comparison scheme
Effect test

Embodiment Construction

[0050] In the drawings, the same components are denoted by the same reference symbols. Components not specified in detail belong substantially to known prior art.

[0051] figure 1 Shown is an encapsulation 100 for the drive circuit, which is arranged in an encapsulation region 101 inside the rotor body. In particular, the rotor body may be substantially rotationally symmetrical about the axis A. The encapsulation region 101 extends in the circumferential direction in the edge region of the rotor body. The excitation circuit comprises at least one circuit board 102, preferably a plurality of circuit boards 102, 102', and more preferably a plurality of other electrical components 104 which are not arranged in the one or several circuits board. The following will only take the excitation circuit including only one circuit board as an example for exemplary description.

[0052] There are a plurality of contacts 103 on the circuit board 102 , and these contacts 103 are arrang...

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Abstract

The invention relates to a potting method and a device (100) for potting an excitation circuit that is arranged inside a rotor body. Said excitation circuit has a circuit board (102, 103) having contacts (103, 103') on the edge of said circuit board (102, 103), the contacts (103, 103') being arranged in a tolerance zone (109) around a cylindrical peripheral surface (110) that is concentric to therotor body. The excitation circuit is located inside a potting zone (101) which is sealed in a liquid-tight manner by a toroidal elastic ring (111) in such a manner that surfaces of the contacts (103, 103') lying within the tolerance zone (109) are at the same time in contact with the toroidal elastic ring (112).

Description

technical field [0001] The invention relates to a packaging method and a packaging device for an excitation circuit arranged inside a rotor body. Background technique [0002] An electric motor has an excitation winding as part of its rotor. Superconducting motors have excitation windings made of superconducting material. Superconducting motors can in particular have an excitation winding made of high-temperature superconducting material. [0003] The excitation circuit for exciting the windings of the electric machine is usually arranged inside the rotor of the electric machine. This excitation circuit has an AC transformer and a rectifier. Such an excitation circuit is known, for example, from DE 10 2005 047 541 A1. [0004] The excitation circuit arranged inside the motor rotor will be subjected to a huge mechanical load during the operation of the motor. As far as a two-pole synchronous motor is concerned, the synchronous speed at 60Hz grid frequency is 3600 revolut...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K15/00H02K19/38
CPCH02K15/12H02K11/042
Inventor 拉尔夫·科德斯瓦尔特·菲舍尔于尔根·胡贝尔
Owner SIEMENS AG
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