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Electro drive system

A technology of electric drive and electric motor, which is applied in the fields of electric drive system, electric motor and energy supply device of vehicles, can solve the problems of electric safety insulation and corresponding insulation monitoring consumption, increase of vehicle weight and cost, etc. Maintainability, effect of reducing insulation requirements

Active Publication Date: 2018-07-24
NIPPON ELECTRIC GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Low voltages and high currents cannot be meaningfully realized in previous drive systems, since the cross-sections of the current-carrying cables and the motor windings would have to be considerably increased in this case, which would lead to an increase in vehicle weight and costs
[0007] Voltage levels of the type >400 V also in the prior art lead to relatively high demands with regard to the electrical safety of such systems and to considerable effort with regard to the insulation of the individual components of the vehicle chassis and the corresponding insulation monitoring.

Method used

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  • Electro drive system
  • Electro drive system
  • Electro drive system

Examples

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Embodiment Construction

[0072] figure 1 An electric drive system according to the invention is shown having an electric motor 1 with an output shaft 2 and a rod 3 protruding oppositely from the stator for energizing the stator. The rods can preferably be assigned individually or in multiples to a phase which in particular has a corresponding phase voltage of less than 60V.

[0073] In this exemplary embodiment, the outer peripheral surface of the electric motor 1 has a groove 4 , here a dovetail-shaped contour, into which a corresponding web 5 on the inner peripheral surface of the energy supply device 6 , which is only partially shown here, can be inserted.

[0074] The energy supply device 6 is accommodated in a hollow cylindrical housing, which is divided here in the axial direction and in the circumferential direction. The entire hollow-cylindrical housing thus forms a plurality of ring segments 7, of which only the ring segments 7 are shown here, which at a common circumferential position are a...

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PUM

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Abstract

The invention relates to an electro drive system, in particular for vehicles, comprising an electric motor (1) and a power supply (6), wherein the power supply (6) is arranged radially on the outsideof the electric motor (1) and is arranged in the peripheral direction around the electric motor (1), in particular at an angle extension of 360 degrees.

Description

technical field [0001] The invention relates to an electric drive system, in particular for a vehicle, comprising an electric motor and an energy supply device, in particular a pulse inverter and power electronics. Background technique [0002] Current drive systems of this type generally include energy storage cells, such as batteries, in the region of the energy supply, and this is to be understood in particular as energy storage cells of the especially rechargeable type, such as lithium polymer accumulators. In addition, a pulse inverter is usually provided in such a drive system. [0003] In this case, the energy storage unit has the purpose of supplying or storing during charging the energy required for operating the drive system, in particular for driving the vehicle. The pulse inverter converts the DC voltage provided by the battery into a three-phase AC voltage, with which an electric motor, for example a synchronous or asynchronous machine, is then operated via the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K11/00H02K11/33B60K1/04H01M2/10B60L50/64
CPCB60K1/04H02K2213/12H02K11/33H01M2220/20B60L50/66H02K11/0094H02K11/215Y02T10/70Y02E60/10Y02P70/50H02K5/203H01M50/249B60L50/64H01M50/213Y02T10/64H01M10/625H01M10/6556H01M10/643H01M10/613H01M10/658H01M50/20H02K5/20H02K9/00H01M50/24H02K9/225H02K5/04
Inventor S·布茨曼M·芬克
Owner NIPPON ELECTRIC GLASS CO LTD