Heating and cooling device for a battery

Patent metadata

Field	Value
Publication number	US-9755283-B2
Application number	US-201414500967-A
Country	US
Kind code	B2
Filing date	Sep 29, 2014
Priority date	Sep 30, 2013
Publication date	Sep 5, 2017
Grant date	Sep 5, 2017

Abstract

A heating and cooling device for a battery may include an electrically conductive base plate for thermal coupling to the battery. The base plate may include at least one fluid path for flowing through by a coolant. The device may include a carrier plate of an electrically non-conductive material, into which at least one electric heating element may be inserted. The carrier plate may be connected electrically with the electrically conductive base plate. An electrically conductive cover plate may be connected electrically with the electric heating element. The base plate, the carrier plate and the cover plate may be stacked on one another along a stacking direction.

First claim

The invention claimed is:

1. A heating and cooling device for a battery, comprising:
an electrically conductive base plate for thermal coupling to the battery, wherein at least one fluid path is provided in the base plate for flowing through by a coolant;
a carrier plate of an electrically non-conducting material and at least one electric heating element inserted into the carrier plate, the carrier plate connected electrically with the electrically conductive base plate;
an electrically conductive cover plate, the cover plate connected electrically with the at least one electric heating element; and
wherein the base plate, the carrier plate and the cover plate are arranged stacked one on top of the other along a stacking direction, and wherein the carrier plate is arranged between the base plate and the cover plate in the stacking direction.

2. The heating and cooling device according to claim 1 , wherein the at least one fluid path includes at least one flat tube extending at least partially along a longitudinal direction of the base plate, the at least one flat tube provided on a first side of the base plate facing towards the carrier plate in the stacking direction.

3. The heating and cooling device according to claim 2 , wherein the at least one flat tube includes at least two flat tubes arranged spaced apart from one another with respect to a transverse direction of the base plate.

4. The heating and cooling device according to claim 2 , wherein the at least one flat tube is at least one of formed integrally on the base plate and connected with the base plate in a materially connected manner.

5. The heating and cooling device according to claim 1 , further comprising at least two through-openings provided in the carrier plate, the at least two through-openings respectively receiving an electric heating element.

6. The heating and cooling device according to claim 1 , wherein the at least one electric heating element includes a plurality of electric heating elements and the carrier plate defines a plurality of through-openings each receiving a respective one of the plurality of electric heating elements, and wherein at least one electric heating element of the plurality of electric heating elements disposed in the carrier plate is in contact with the base plate on a first side and with the cover plate on a second side opposite the first side with respect to the stacking direction.

7. The heating and cooling device according to claim 5 , wherein the at least two through-openings of the carrier plate are arranged respectively in regions between two adjacent flat tubes in a mounted state.

8. The heating and cooling device according to claim 1 , wherein the carrier plate includes a plurality of longitudinal struts and a plurality of lateral struts defining a grid arrangement with respect to an elevated view along the stacking direction onto the carrier plate, and wherein the at least one electric heating element is disposed in a through-opening defined by the grid arrangement.

9. The heating and cooling device according to claim 8 , wherein the grid arrangement defines a plurality of through-openings having substantially a geometric shape of a rectangle with respect to the elevated view along the stacking direction onto the carrier plate.

10. The heating and cooling device according to claim 1 , wherein a side of the carrier plate facing the base plate has a surface contour which is substantially complementary to a surface contour of a side of the base plate facing the carrier plate.

11. The heating and cooling device according to claim 1 , wherein the carrier plate comprises a carrier material of plastic.

12. The heating and cooling device according to claim 3 , wherein the base plate includes:
a shared coolant inlet on a first end section with respect to the longitudinal direction thereof, which coolant inlet extends along the transverse direction of the base plate and is fluidically connected with the flat tubes, and
a shared coolant outlet on a second end section with respect to the longitudinal direction thereof, which coolant outlet extends along the transverse direction of the base plate and is fluidically connected with the flat tubes.

13. The heating and cooling device according to claim 12 , wherein at least one of the shared coolant inlet and the shared coolant outlet is connected with the base plate in a materially connected manner.

14. The heating and cooling device according to claim 1 , wherein the at least one electric heating element is constructed as a plate-like PTC heating element.

15. A battery arrangement for a motor vehicle, comprising:
a battery; and
a heating and cooling device thermally coupled to the battery, the heating and cooling device including:
an electrically conductive base plate coupled to the battery, the base plate including at least one fluid path for flow of a coolant;
a carrier plate of an electrically non-conductive material and configured to receive at least one heating element, the carrier plate electrically connected with the electrically conductive base plate;
an electrically conductive cover plate connected electrically with the at least one electric heating element;
wherein the base plate, the carrier plate and the cover plate are arranged stacked one on top of the other along a stacking direction, and wherein the carrier plate is sandwiched between the base plate and the cover plate in the stacking direction.

16. A motor vehicle, comprising:
at least one battery arrangement including a battery thermally coupled to a heating and cooling device, the heating and cooling device including:
an electrically conductive base plate connected to the battery, the base plate including at least one fluid path for flow of a coolant, wherein the at least one fluid path includes at least two flat tubes arranged spaced apart from one another relative to a transverse direction of the base plate, the at least two flat tubes extending at least partially along a longitudinal direction of the base plate;
a carrier plate of an electrically non-conductive material connected electrically with the base plate, the carrier plate including at least two through-openings;
at least two electric heating elements disposed in the at least two through-openings of the carrier plate;
an electrically conductive cover plate connected electrically with the at least two electric heating elements;
wherein the base plate, the carrier plate and the cover plate are arranged stacked one on top of the other along a stacking direction, and the carrier plate is sandwiched between the base plate and the cover plate in the stacking direction; and
wherein the cover plate lies against a first side of the at least two electric heating elements and the base plate lies against a second side of the at least two electric heating elements opposite the first side with respect to the stacking direction.

17. The vehicle according to claim 16 , wherein the carrier plate includes a plurality of longitudinal struts arranged along the longitudinal direction and a plurality of transverse struts arranged along the transverse direction, the plurality of longitudinal struts and the plurality of transverse struts together defining a plurality of through-openings arranged in a grid, and wherein the at least two electric heating elements are disposed in a respective one of the plurality of through-openings.

18. The battery arrangement according to claim 15 , wherein the carrier plate includes a plurality of longitudinal struts and a plurality of transverse struts, the

Assignees

• Mahle Int Gmbh
• Behr France Rouffach Sas

Inventors

• Hirsch Stefan
• Miss Pascal
• Schaefer Bernd
• Treier Joachim
• Weingaertner Stephane

Classifications

• B60H2001/00307

  Component temperature regulation using a liquid flow · CPC title

• H01M10/625

  Vehicles · CPC title

• H01M10/615

  Heating or keeping warm · CPC title

• B60L11/1875

  Operations & Transport · mapped topic

• B60L11/1864

  Operations & Transport · mapped topic