Mobile discharge device for a battery and motor vehicle comprising a mobile discharge device

Patent metadata

Field	Value
Publication number	US-9592743-B2
Application number	US-201314094861-A
Country	US
Kind code	B2
Filing date	Dec 3, 2013
Priority date	Dec 4, 2012
Publication date	Mar 14, 2017
Grant date	Mar 14, 2017

Abstract

A mobile discharge device for a battery includes a first electrical connection configured to make contact with a first electrical terminal of the battery, a second electrical connection configured to make contact with a second electrical terminal of the battery, and an electrical resistor electrically connected firstly to the first electrical connection and secondly to the second electrical connection. The discharge device further includes a first fluid connection for connecting a fluid supply, a second fluid connection for connecting a fluid discharge line, and a fluid channel connected to the first fluid connection and the second fluid connection. The fluid channel is thermally coupled to the electrical resistor.

First claim

What is claimed is:

1. A mobile discharge device for a battery, comprising:
a first electrical connection configured to make contact with a first electrical terminal of the battery;
a second electrical connection configured to make contact with a second electrical terminal of the battery;
an electrical resistor electrically connected firstly to the first electrical connection and secondly to the second electrical connection;
a first fluid connection for connecting a fluid supply line;
a second fluid connection for connecting a fluid discharge line; and
a fluid channel (i) connected to the first fluid connection and the second fluid connection, and (ii) thermally coupled to the electrical resistor.

2. The mobile discharge device according to claim 1 , wherein the first fluid connection is a connection to a cooling water intake and/or the second fluid connection is a connection to a cooling water drain.

3. The mobile discharge device according to claim 2 , wherein the cooling water intake includes a hydrant connection.

4. The mobile discharge device according to claim 1 , further comprising:
a further resistor; and
a further pair of connections configured to make contact with an additional battery.

5. The mobile discharge device according to claim 1 , further comprising:
an electrooptical display configured to indicate a state of charge of a connected battery.

6. The mobile discharge device according to claim 5 , wherein the electrooptical display includes a light-emitting diode.

7. The mobile discharge device according to claim 6 , wherein the light-emitting diode is connected to an electrical resistance.

8. The mobile discharge device according to claim 7 , wherein the electrical resistance is a zener diode, a transistor, and/or a nonreactive resistor.

9. A motor vehicle system comprising:
a vehicle including a battery; and
a mobile discharge device for the battery including
a first electrical connection configured to make contact with a first electrical terminal of the battery,
a second electrical connection configured to make contact with a second electrical terminal of the battery,
at least one electrical resistor electrically connected firstly to the first electrical connection and secondly to the second electrical connection,
a first fluid connection for connecting a fluid supply line,
a second fluid connection for connecting a fluid discharge line, and
a fluid channel (i) connected to the first fluid connection and the second fluid connection, and (ii) thermally coupled to the at least one electrical resistor such that heat generated by the at least one electrical resistor is transferred to a fluid within the fluid channel,

wherein the motor vehicle is connected to the discharge device.

10. The motor vehicle system according to claim 9 , further comprising:
a water tank connected to the first fluid connection.

11. The motor vehicle system According to claim 9 , further comprising:
a power transistor operatively coupled to the at least one electrical resistor, the power transistor configured to delay flow of current through the at least one electrical resistor.

12. The mobile discharge according to claim 11 , wherein the cooling water intake includes a hydrant connection.

13. The mobile discharge device according to claim 1 , further comprising:
a power transistor operatively coupled to the electrical resistor, the power transistor configured to delay flow of current through the electrical resistor.

Assignees

• Bosch Gmbh Robert
• Samsung Sdi Co Ltd

Inventors

• Haug Karsten

Classifications

• B60L3/04

  Cutting off the power supply under fault conditions (protective devices and circuit arrangements in general H01H; H02H) · CPC title

• B60L3/0023

  Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train · CPC title

• B60L58/10

  for monitoring or controlling batteries · CPC title

• B60L58/26

  by cooling · CPC title

• Y02T10/7072

  Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors · CPC title