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摘要

A control apparatus for operating an electric drive for a vehicle may include one or more of the following: a plurality of power module, which has one or more power semiconductors; an intermediate circuit capacitor, which is connected in parallel to the power module; a cooler for dissipating heat generated by the power module; an interconnect device for obtaining electrical contact to the power module, where the interconnect device has a first section and a second section at an angle to the first section, and where the first section and the second section are each perpendicular to a main plane of the power module.

說明書

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RELATED APPLICATION

This application claims the benefit of, and priority to, German Patent Application DE 10 2019 213 385.1, filed Sep. 4, 2019, which is incorporated by reference herein in its entirety.

BACKGROUND

Control apparatuses, in particular integrated control apparatuses, e.g. DC/AC inverters (inverter), are increasingly used in motor vehicles. DC/AC inverters are used to supply electric machines such as electric motors with a multiphase alternating current. A direct current generated by a DC energy source, such as a battery, is converted to a multiphase alternating current. For this purpose, the control apparatuses comprise one or more power modules comprising bridge circuits (such as half bridges). The power modules are based on power semiconductors, in particular transistors such as MOSFETs and HEMTs. These power semiconductors are connected to a interconnect devices, in particular a printed circuit board, for activation purposes.

權(quán)利要求

1

We claim:

1. A control apparatus for operating an electric drive for a vehicle, comprising:a first power module, which has one or more power semiconductors;

at least a first intermediate circuit capacitor electrically connected to the first power module;

a cooler for dissipation of heat generated by the first power module;

an interconnect device being electrically connected to the first power module, wherein the interconnect device has a first section and a second section at an angle to the first section, wherein the first section and the second section are each perpendicular to a main plane of the first power module; and

a second power module, wherein the second power module is attached to a side of the cooler lying opposite the first power module,

wherein the first section and the second section extend parallel to an axis such that the first section and the second section do not intersect the axis,

wherein the first intermediate circuit capacitor, the first power module, the cooler, and the second power module are arranged in succession along the axis,

wherein the main plane of the first power module and the second power module remain uncovered by the interconnect device such that a first installation space is located adjacent to the first power module and a second installation space is located adjacent to the second power module, and

wherein the first intermediate circuit capacitor is accommodated in the first installation space adjacent to the first power module along the axis and defined by the first power module and the interconnect device.

2. The control apparatus according to claim 1, wherein the first section and the second section form a right angle.

3. The control apparatus according to claim 1, wherein the cooler is located on a main surface of the first power module.

4. A vehicle comprising the control apparatus of claim 1, wherein the vehicle is at least one of an electric vehicle and a hybrid vehicle.

5. The control apparatus of claim 1, wherein a connector extends from the first power module in a direction parallel to a primary plane of the second section such that the connector extends through the first section.

6. The control apparatus of claim 1, wherein the main plane intersects a primary plane of the second section at a right angle.

7. The control apparatus of claim 1, wherein the second section overlaps a portion of a housing of the intermediate circuit capacitor.

8. The control apparatus of claim 1,wherein the interconnect device has a flexible third section between the first section and the second section that connects the first section to the second section.

9. A method, comprising:assembling a control apparatus, where the control apparatus comprises:

a first power module, which has one or more power semiconductors;