Temperature control system for an electrochemical voltage source

Patent metadata

Field	Value
Publication number	US-9448017-B2
Application number	US-201213705714-A
Country	US
Kind code	B2
Filing date	Dec 5, 2012
Priority date	Dec 9, 2011
Publication date	Sep 20, 2016
Grant date	Sep 20, 2016

Abstract

The present invention refers to a temperature control system for an electrochemical voltage source. It is planned that the temperature control system comprises a fluid moving device for moving a fluid for controlling the temperature of the voltage source.

First claim

The invention claimed is:

1. A temperature control system for an electrochemical voltage source, wherein the temperature control system comprises:
at least one heating means;
at least one cooling means;
a fluid moving device for moving a fluid and circulating the fluid within the voltage source;
a first fluid guiding means that is a first tubular conduit connected to the fluid moving device and defining a feed means in a first operating mode for transporting the fluid moved by the fluid moving device to the voltage source for temperature control of the voltage source; and
a second fluid guiding means that is a second tubular conduit connected to the fluid moving device and defining a return means in the first operating mode for extracting the fluid after the temperature control of the voltage source;
wherein in a second operating mode, a flow direction of the fluid is reversed so that the first fluid guiding means defines the return means and the second fluid guiding means defines the feed means, and
wherein the voltage source comprises a housing that is hermetically sealed in operation, and
wherein the first fluid guiding means is located along a first wall of the housing, and the second fluid guiding means is located along a second wall of the housing, the first wall being located opposite the second wall.

2. The temperature control system according to claim 1 , wherein the temperature control system comprises at least one temperature control module arranged, within the voltage source in place of at least one individual cell for carrying out at least one temperature control function.

3. The temperature control system according to claim 1 , wherein the first fluid guiding means and the second fluid guiding means are part of at least one closed fluid circuit system, and components of the closed fluid circuit system are entirely inside or directly adjacent to the voltage source.

4. The temperature control system according to claim 1 , wherein the voltage source comprises individual cells for producing a voltage, and
wherein a fluid flow is created between the individual cells that is generally perpendicular to a plane of arrangement of the individual cells when the fluid is extracted from the voltage source.

5. The temperature control system according to claim 1 , wherein, one or more passage holes that are located along a length of the first tubular conduit define a feed point and one or more passages holes that are located along a length of the second tubular conduit define a suction point,
wherein the fluid moving device is located on a wall that is generally perpendicular to both the first wall and the second wall.

6. The temperature control system according to claim 5 , wherein the one or more passage holes in the first tubular conduit, the second tubular conduit, or both are generally aligned with air gaps between individual cells producing a voltage.

7. The temperature control system according to claim 1 , wherein the voltage source includes at least one heat passage means so that the fluid can be exchanged between the voltage source and an outside environment.

8. The temperature control system according to claim 1 , wherein the at least one heating means is arranged either centrally on the fluid moving device or in, or along, the first fluid guiding means, the second fluid guiding means, or both.

9. A vehicle, wherein the vehicle is provided with the temperature control system according to claim 1 .

10. A temperature control system for an electrochemical voltage source, wherein the temperature control system comprises;
i. a first fluid moving device for moving a fluid and circulating the fluid within the voltage source for controlling a temperature of the voltage source;
ii. a tubular first fluid guiding conduit connected to the first fluid moving device and defining a feed means in as first operating mode for transporting the fluid moved by the first fluid moving device for temperature control of the voltage source, the first fluid guiding conduit having one or more passage holes;
iii. a tubular second fluid guiding conduit connected to the first fluid moving device and defining a return means in the first operating mode for extracting the fluid after the temperature control of the voltage source, the second fluid guiding conduit having one or more passage holes;
iv. at least one heating means for increasing or maintaining the temperature of the voltage source; and
v. at least one cooling means for decreasing or maintaining the temperature of the voltage source,
vi. a second fluid moving, device for moving a fluid within the voltage source,
vii. a tubular third fluid guiding conduit connected to the second fluid moving device for transporting the fluid moved by the second fluid moving device, and
viii. a tubular fourth fluid conduit connected to the second fluid moving device for transporting the fluid moved by the second fluid moving device,
wherein in a second operating mode, a flow direction of the fluid is reversed so that the first fluid guiding conduit defines the return means and the second fluid guiding conduit defines the feed means,
wherein in the first operating mode, the fluid is supplied to the voltage source through the one more passage holes in the first fluid guiding conduit, and the fluid is extracted from the voltage source through the one or more passage holes in the second fluid guiding conduit so that a fluid flow is created between individual cells configured to produce a voltage,
wherein the fluid flow is generally perpendicular to a plane of arrangement of the individual cells, and
wherein the voltage source comprises a housing that is hermetically sealed in operation.

11. The temperature control system according to claim 10 , wherein the one or more passage holes in the first fluid guiding conduit and the one or more passages holes in the second fluid guiding conduit are located on different sides of the voltage source.

12. The temperature control system according to claim 10 , wherein the temperature control system comprises at least one temperature control module arranged within the voltage source in place of at least one an individual cell for carrying out at least one temperature control function.

13. The temperature control system according to claim 10 , wherein the one or more passage holes in the first fluid guiding conduit, the second fluid guiding conduit, or both are generally aligned with air gaps between the individual cells.

14. The temperature control system according to claim 10 , wherein the first fluid moving device is a radial fan, and
wherein the first fluid guiding conduit is connected to an output side of the radial fan and the second fluid guiding conduit is connected to an input side of the radial fan.

15. The temperature control system according to claim 10 , wherein both the first fluid guiding conduit and the third fluid guiding conduit are located along a first wall of the housing, and both the second fluid guiding conduit and the fourth fluid guiding conduit are located along a second wall of the housing, the first wall being located opposite the second wall.

16. A temperature control system for an electrochemical voltage source, wherein the temperature control system comprises:
i. as fluid moving device for moving a fluid and circulating the fluid within the voltage source for controlling a temperature of the voltage source;
ii. a tubular first fluid guiding means connected to the fluid moving device and defining a feed means in a first operating mode for transporting the fluid moved by the fluid moving device for

Assignees

• Wet Automotive Systems Ag
• Gentherm Gmbh

Inventors

• Fries Thomas
• Hou Hauk Yingqiu
• Liu Andy (Jianming)
• Zhang Jonathan Yu
• Rauh Hans-Georg

Classifications

• H01M10/48 Primary

  Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte (constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569) · CPC title

• H01M10/617

  for achieving uniformity or desired distribution of temperature · CPC title

• H01M10/633

  characterised by algorithms, flow charts, software details or the like · CPC title

• H01M10/6556

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

• F28F13/12 Primary

  by creating turbulence, e.g. by stirring, by increasing the force of circulation (F28F13/08 takes precedence) · CPC title