BATTERY THERMAL ACCELERATION MECHANISM

• US 20150372527A1
• Filed: 06/23/2014
• Published: 12/24/2015
• Est. Priority Date: 06/23/2014
• Status: Abandoned Application

• Current Assignee: Infineon Technologies AG
• Original Assignee: Infineon Technologies AG
• Inventors: Lim, Cheow Guan
• Application Number:
  US14/312,337
• Publication Number:
  US 20150372527A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H02J 7/00302 Overcharge protection
• CPC Class Codes: H02J 7/00309 Overheat or overtemperature protection
• CPC Class Codes: H02J 7/007194 of the battery

Abstract

Devices, systems, and methods for battery supporting, monitoring, and charging are described. In one example, a device includes a temperature measurement device, a controller, coupled to the temperature measuring device, the controller configured to determine an acceleration change in temperature, and a switch, coupled to the controller, configured to disconnect a current associated with the battery when a change in acceleration of temperature is measured.

Claims

1. A battery supporting device comprising:

a temperature measurement device;

a controller, coupled to the temperature measuring device, the controller configured to determine an increasing acceleration change in temperature; and

a switch, coupled to the controller, configured to disconnect a current associated with a battery when an increasing change in acceleration of temperature is determined to prevent thermal damage to the battery.

2. The battery supporting device of claim 1, wherein the battery supporting device comprises a battery charging device and the current associated with the battery comprises a battery charging current.

3. The battery supporting device of claim 1, wherein the battery supporting device comprises a battery monitoring device and the current associated with the battery comprises a current supplied from the battery to a load.

4. The battery supporting device of claim 1, wherein the battery supporting device comprises both a battery charging device and a monitoring device.

5. The battery supporting device of claim 1, wherein the temperature measuring device measures temperature, the controller receives a series of measured temperatures from the temperature measuring device and determines the acceleration change in temperature by comparing the series of measured temperatures.

6. The battery supporting device of claim 1, wherein the temperature measuring device measures change in temperature, the controller receives a series of measured changes in temperatures from the temperature measuring device and determines the acceleration change in temperature by comparing the series of measured changes in temperature.

7. The battery supporting device of claim 1, wherein the temperature measuring device measures acceleration change in temperature and the controller receives acceleration change in temperature from the temperature measuring device.

8. The battery supporting of claim 1, wherein the switch is further configured to disconnect a charging current when a predetermined maximum temperature is measured.

9. The battery supporting of claim 1, wherein the change in acceleration of temperature comprises an increase in acceleration of temperature.

10. A battery supporting system comprising:

a battery supporting device including;

a temperature measurement device;

a controller, coupled to the temperature measuring device, the controller configured to determine an increasing acceleration change in temperature; and

a switch, coupled to the controller, configured to disconnect a current associated with a battery when an increasing change in acceleration of temperature is determined to prevent thermal damage to the battery; and

the battery, coupled to the battery supporting device and configured to be monitored by the battery supporting device.

11. The battery supporting system of claim 10, wherein the battery supporting device comprises a battery charging device and the current associated with the battery comprises a battery charging current.

12. The battery supporting system of claim 10, wherein the battery supporting device comprises a battery monitoring device and the current associated with the battery comprises a current supplied from the battery to a load.

13. The battery supporting system of claim 10, wherein the battery supporting device comprises both a battery charging device and a monitoring device.

14. The battery supporting system of claim 10, wherein the temperature measuring device measures temperature, the controller receives a series of measured temperatures from the temperature measuring device and determines the acceleration change in temperature by comparing the series of measured temperatures.

15. The battery supporting system of claim 10, wherein the temperature measuring device measures change in temperature, the controller receives a series of measured changes in temperatures from the temperature measuring device and determines the acceleration change in temperature by comparing the series of measured changes in temperature.

16. The battery supporting system of claim 10, wherein the temperature measuring device measures acceleration change in temperature and the controller receives acceleration change in temperature from the temperature measuring device.

17. The battery supporting system of claim 10, wherein the switch is further configured to disconnect a charging current when a predetermined maximum temperature is measured.

18. The battery supporting system of claim 10, wherein the change in acceleration of temperature comprises an increase in acceleration of temperature.

19. A method of supporting a battery comprising:

measuring a temperature;

determining an increasing acceleration in change in temperature; and

discontinuing a current associated with the battery when an increasing change in acceleration of temperature is determined to prevent thermal damage to the battery.

20. The method of charging a battery of claim 19, wherein the current associated with the battery comprises a battery charging current.