Power Supply Module for a Voltage Supply Apparatus Arranged in a Vehicle

Patent metadata

Field	Value
Publication number	US-2017194680-A1
Application number	US-201715455396-A
Country	US
Kind code	A1
Filing date	Mar 10, 2017
Priority date	Sep 12, 2014
Publication date	Jul 6, 2017
Grant date	—

Abstract

A power supply module for a voltage supply apparatus arranged in a vehicle is built from a plurality of structurally independently designed power supply cells. The power supply cells are stacked in at least one row of cells arranged one behind the other. The power supply module interacts with a temperature control device, wherein the temperature control device controls the temperature of at least one part of the power supply cells by a heating medium. A clamping device is designed to clamp the power supply cells of the at least one row of cells. The clamping device has at least two end plates and a tension element. The two end plates interact with the tension element to form a tensioning force acting on the power supply cells. The tension element is designed as a functional component of the temperature control device and has a feed connection for feeding the heating medium into the tension element and a discharge connection for discharging the heating medium passed through the partial region.

First claim

What is claimed is:

1 . A power supply module for a voltage supply apparatus arranged in a vehicle, comprising:
a plurality of structurally independently designed power supply cells, wherein the plurality of power supply cells are stacked to form at least one cell row and arranged one behind the other; a temperature control device, wherein the temperature control device is designed to control a temperature of at least a subset of the power supply cells by way of a heating medium; a clamping device, which is designed to clamp the power supply cells of the at least one cell row, wherein the clamping device has at least two end plates and a tension element, the at least two end plates interact with the tension element to form a clamping force acting on the power supply cells, the tension element is designed as a functional constituent of the temperature control device and has at least one feed connection for feeding the heating medium into the tension element and at least one discharge connection for discharging the heating medium which has flowed through at least a partial region of the tension element.

2 . The power supply module as claimed in claim 1 , wherein
the tension element has at least one heating medium channel, which carries the heating medium.

3 . The power supply module as claimed in claim 1 , wherein
the tension element has a plurality of heating medium channels, which are of structurally independent design and are connected fluidically for parallel or countercurrent flow.

4 . The power supply module as claimed in claim 1 , wherein
the tension element is constructed from at least one transverse element and at least two longitudinal elements, each having an end adjacent to the transverse element and a free end, the at least one feed connection and the at least one discharge connection are associated spatially with the free ends.

5 . The power supply module as claimed in claim 4 , wherein
the at least one feed connection is associated with the free end of one longitudinal element and the at least one discharge connection is associated with the free end of the other longitudinal element.

6 . The power supply module as claimed in claim 5 , wherein
at least one of the two longitudinal elements has a connection element arranged at the free end thereof, the connection element has the at least one feed connection and/or the at least one discharge connection.

7 . The power supply module as claimed in claim 4 , wherein
at least one of the two longitudinal elements has a connection element arranged at the free end thereof, the connection element has the at least one feed connection and/or the at least one discharge connection.

8 . The power supply module as claimed in claim 6 , wherein
the connection element is of cylindrical design with a connection element bottom, a connection element top and a connection element shell, the at least one feed connection and/or the at least one discharge connection is situated in the connection element bottom or the connection element shell or the connection element top.

9 . The power supply module as claimed in claim 4 , wherein
each of the cell rows has a power supply cell adjacent to the transverse element, and a free power supply cell, one of the two end plates rests as an end plate adjacent to the transverse element against the power supply cell adjacent to the transverse element, and the other end plate rests as a free end plate against the free power supply cell, the end plate adjacent to the transverse element is designed to compensate for length tolerances occurring in the cell row.

10 . The power supply module as claimed in claim 4 , wherein
the transverse element and the two longitudinal elements form a tension element, which encloses one of the two end plates.

11 . The power supply module as claimed in claim 4 , wherein
the power supply cells are arranged to form the plurality of cell rows situated in one plane and arranged adjacent to one another, the tension element is constructed from at least two transverse elements, two longitudinal elements, each of the two longitudinal elements having an end adjacent to the transverse element and a free end, and at least one further longitudinal element having two ends adjacent to the transverse element, the two transverse elements, the two longitudinal elements and the at least one further longitudinal element form a meandering tension element.

12 . The power supply module as claimed in claim 11 , wherein the further longitudinal element is likewise designed to allow the heating medium to flow through.

13 . The power supply module as claimed in claim 10 , wherein the two longitudinal elements rest laterally by their free ends against the respectively associated end plates.

14 . The power supply module as claimed in claim 1 , wherein the tension element rests via a heat conduction component against the power supply cells.

15 . A voltage supply apparatus which is designed to supply a supply voltage in a vehicle, comprising a power supply module as claimed in claim 1 .

16 . A tension element which is designed to be used in a power supply module as claimed in claim 1 .

Assignees

• Bayerische Motoren Werke Ag

Inventors

• Muck Alexander
• Hoefler Thomas
• Idikurt Tuncay
• Huber Michael
• Wagner Daniel

Classifications

• H01M10/0481 Primary

  Compression means other than compression means for stacks of electrodes and separators · CPC title

• H01M10/6556 Primary

  Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) · CPC title

• H01M10/625

  Vehicles · CPC title

• H01M10/647

  Prismatic or flat cells, e.g. pouch cells · CPC title

• H01M10/613

  Cooling or keeping cold · CPC title