Thermoelectric-based thermal management of electrical devices
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-010/50
F25B-029/00
H05K-007/20
출원번호
US-0545827
(2012-07-10)
등록번호
US-8722222
(2014-05-13)
발명자
/ 주소
Kossakovski, Dmitri
Barnhart, Todd Robert
Piggott, Alfred
출원인 / 주소
Gentherm Incorporated
대리인 / 주소
Knobbe Martens Olson & Bear, LLP
인용정보
피인용 횟수 :
8인용 특허 :
164
초록▼
Disclosed embodiments include thermoelectric-based thermal management systems and methods configured to heat and/or cool an electrical device. Thermal management systems can include at least one electrical conductor in electrical and thermal communication with a temperature-sensitive region of the e
Disclosed embodiments include thermoelectric-based thermal management systems and methods configured to heat and/or cool an electrical device. Thermal management systems can include at least one electrical conductor in electrical and thermal communication with a temperature-sensitive region of the electrical device and at least one thermoelectric device in thermal communication with the at least one electrical conductor. Electric power can be directed to the thermoelectric device by the same electrical conductor or an external power supply, causing the thermoelectric device to provide controlled heating and/or cooling to the electrical device via the at least one electrical conductor.
대표청구항▼
1. A thermal management system configured to manage temperature in a temperature-sensitive region of an electrical device, the system comprising: a thermoelectric device configured to transfer thermal energy between a main surface and a waste surface upon application of electric power to the thermoe
1. A thermal management system configured to manage temperature in a temperature-sensitive region of an electrical device, the system comprising: a thermoelectric device configured to transfer thermal energy between a main surface and a waste surface upon application of electric power to the thermoelectric device, wherein the main surface of the thermoelectric device is in substantial thermal communication with an electrical conductor, wherein the electrical conductor is configured to deliver electric power to or from an electrical device such that the electrical conductor serves as a conduit for conducting thermal energy between a temperature-sensitive region of the electrical device and the thermoelectric device, and wherein the electrical device comprises a battery cell. 2. The thermal management system of claim 1, further comprising a controller configured to control a polarity of electric current provided to the thermoelectric device, wherein a first polarity of electric current is provided in a cooling mode of system operation and wherein a second polarity opposite the first polarity of electric current is provided in a heating mode of system operation. 3. The thermal management system of claim 2, wherein the controller is integrated with a battery management system configured to administer control functions to a battery pack. 4. The thermal management system of claim 2, further comprising a temperature sensor in thermal communication with the electrical device and in electrical communication with the controller. 5. The thermal management system of claim 4, wherein the controller is configured to monitor inputs from the temperature sensor and electric current directed in or out of the electrical device under thermal management and adjust electric power delivered to the thermoelectric device. 6. The thermal management system of claim 1, wherein the electrical device further comprises: a plurality of electrical components;a first electrical conductor in electrical and thermal communication with a first electrical component and a second electrical conductor in electrical and thermal communication with a second electrical component;a first thermoelectric device in substantial thermal communication with the first electrical conductor and a second thermoelectric device in substantial thermal communication with the second electrical conductor; anda first thermal management system configured to apply thermal management to the first electrical component and a second thermal management system configured to apply thermal management to the second electrical component, the first and second thermal management systems configured to apply thermal management independent of each other, wherein electric power supplied to the first thermal management system is adjusted independent of electric power supplied to the second thermal management system. 7. The thermal management system of claim 1, wherein the electrical device further comprises: a plurality of electrical components;a first electrical conductor in electrical and thermal communication with a first electrical component and a second electrical component of the plurality of electrical components such that the first electrical component and the second electrical component are in electrical communication; anda first thermoelectric device in substantial thermal communication with the first electrical conductor. 8. The thermal management system of claim 7, further comprising a second electrical conductor in electrical and thermal communication with the second electrical component and a third electrical component of the plurality of electrical components; and a second thermoelectric device in substantial thermal communication with the second electrical conductor. 9. The thermal management system of claim 7, further comprising a second electrical conductor in electrical and thermal communication with the second electrical component and a third electrical component of the plurality of electrical components, wherein the first thermoelectric device is in thermal communication with the second electrical conductor. 10. The thermal management system of claim 1, wherein the thermoelectric device is in direct thermal contact with the electrical conductor. 11. The thermal management system of claim 1, further comprising a heat transfer device in thermal communication with the thermoelectric device and the electrical conductor such that heat flows between the thermoelectric device and the electrical conductor through the heat transfer device. 12. The thermal management system of claim 1, wherein the thermoelectric device is in substantial thermal communication with heat exchange surfaces of two electrical conductors. 13. The thermal management system of claim 1, wherein the thermoelectric device is in electrical communication with the electrical conductor. 14. The thermal management system of claim 1, wherein an external power source not under thermal management provides power to the thermoelectric device. 15. The thermal management system of claim 1, wherein the electrical conductor is an electrode. 16. The thermal management system of claim 1, wherein electrical device comprises a battery module. 17. The thermal management system of claim 1, wherein electrical device comprises a battery pack. 18. A thermal management system configured to manage temperature in a temperature-sensitive region of an electrical device, the system comprising: a thermoelectric device configured to transfer thermal energy between a main surface and a waste surface upon application of electric power to the thermoelectric device, wherein the main surface of the thermoelectric device is in substantial thermal communication with an electrical conductor, and wherein the electrical conductor is configured to deliver electric power to or from an electrical device such that the electrical conductor serves as a conduit for conducting thermal energy between a temperature-sensitive region of the electrical device and the thermoelectric device; anda thermal insulator in electrical communication with the electrical conductor and configured to substantially thermally isolate the thermoelectric device from a second electrical device that is in electrical communication with the electrical conductor. 19. The thermal management system of claim 18, wherein the electrical device comprises a battery charger configured to have one electrode be in electrical and thermal communication with an electrode of a battery. 20. The thermal management system of claim 18, wherein the electrical device comprises an electrical circuit that is configured to have one electrode be in electrical and thermal communication with an electrode of a battery. 21. The thermal management system of claim 18, wherein the electrical device comprises an insulated-gate bipolar transistor. 22. The thermal management system of claim 18, wherein the electrical device comprises a power amplifier. 23. The thermal management system of claim 18, wherein the electrical device comprises a plurality of electrical components, and wherein at least some of the plurality of electrical components comprise electrical components of a power amplifier. 24. The thermal management system of claim 18, wherein the electrical device comprises a plurality of electrical components, and wherein at least some of the plurality of electrical components comprise insulated-gate bipolar transistors. 25. A thermal management system configured to manage temperature in a temperature-sensitive region of an electrical device, the system comprising: a thermoelectric device configured to transfer thermal energy between a main surface and a waste surface upon application of electric power to the thermoelectric device, wherein the main surface of the thermoelectric device is in substantial thermal communication with an electrical conductor, wherein the electrical conductor is configured to deliver electric power to or from an electrical device such that the electrical conductor serves as a conduit for conducting thermal energy between a temperature-sensitive region of the electrical device and the thermoelectric device, and wherein the electrical device comprises a battery pack. 26. A thermal management system configured to manage temperature in a temperature-sensitive region of an electrical device, the system comprising: a thermoelectric device configured to transfer thermal energy between a main surface and a waste surface upon application of electric power to the thermoelectric device, wherein the main surface of the thermoelectric device is in substantial thermal communication with an electrical conductor, wherein the electrical conductor is configured to deliver electric power to or from an electrical device such that the electrical conductor serves as a conduit for conducting thermal energy between a temperature-sensitive region of the electrical device and the thermoelectric device, and wherein the electrical device comprises a plurality of electrical components, and wherein at least some of the plurality of electrical components comprise battery cells.
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