Temperature control systems with thermoelectric devices
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25B-021/02
F25B-021/04
B60H-001/00
H01L-035/30
B60H-001/03
F24F-005/00
출원번호
US-0802050
(2013-03-13)
등록번호
US-9447994
(2016-09-20)
발명자
/ 주소
Barnhart, Todd Robert
Ranalli, Marco
Adldinger, Martin
출원인 / 주소
Gentherm Incorporated
대리인 / 주소
Knobbe, Martens, Olson & Bear, LLP
인용정보
피인용 횟수 :
4인용 특허 :
167
초록▼
Temperature control systems and methods can be designed for controlling the interior climate of a vehicle or other the climate of another desired region. The temperature control system for a vehicle can have a thermoelectric system providing heating and/or cooling, including supplemental heating and
Temperature control systems and methods can be designed for controlling the interior climate of a vehicle or other the climate of another desired region. The temperature control system for a vehicle can have a thermoelectric system providing heating and/or cooling, including supplemental heating and/or cooling. The thermoelectric system can transfer thermal energy between a working fluid, such as liquid coolant, and comfort air upon application of electric current of a selected polarity. The thermoelectric system can supplement or replace the heat provided from an internal combustion engine or other primary heat source. The thermoelectric system can also supplement or replace cold energy provided from a compressor-based refrigeration system or other primary cold energy source.
대표청구항▼
1. A temperature control system for heating, cooling, and/or demisting an occupant compartment of a vehicle during a stop of an internal combustion engine of the vehicle, the system comprising: an engine coolant circuit comprising an engine block coolant conduit and configured to convey a coolant in
1. A temperature control system for heating, cooling, and/or demisting an occupant compartment of a vehicle during a stop of an internal combustion engine of the vehicle, the system comprising: an engine coolant circuit comprising an engine block coolant conduit and configured to convey a coolant in the engine coolant circuit, wherein the engine block coolant conduit is in thermal communication with the internal combustion engine of the vehicle;a heater core disposed in a comfort air channel of the vehicle and in fluid communication with the engine block coolant conduit;a thermoelectric device having a waste surface and a main surface;a supplemental heat exchanger disposed in the comfort air channel and in thermal communication with the main surface of the thermoelectric device;a waste heat exchanger connected to the waste surface of the thermoelectric device, wherein the waste heat exchanger is connected to a fluid circuit containing the coolant, and wherein the coolant is in fluid communication with a thermal energy source or a heat sink; anda controller configured to operate the temperature control system in a plurality of modes of operation, and wherein the plurality of modes of operation comprises: a stop heating mode wherein residual heat of the internal combustion engine is configured to heat a comfort airflow in the comfort air channel while electric current is not supplied to the thermoelectric device and while the internal combustion engine is stopped; anda stop cold heating mode wherein the thermoelectric device is configured to heat the comfort airflow by transferring thermal energy from the waste surface to the main surface while receiving electric current supplied in a first polarity and while the internal combustion engine is stopped,wherein the fluid circuit includes a first conduit configured to convey the coolant in the first conduit and a first bypass conduit configured to convey the coolant in the first bypass conduit, the first conduit in fluid communication with the waste heat exchanger, the first bypass conduit configured to bypass flow of the coolant around the first conduit, wherein the first conduit and the first bypass conduit include a common inlet connection and a common outlet connection, wherein the first conduit and the first bypass conduit are connected in parallel between said common inlet connection and said common outlet connection,wherein, in the stop heating mode, the controller is configured to operate at least one fluid control device to restrict flow of the coolant through the first conduit and to operate the at least one fluid control device to direct flow of the coolant through the first bypass conduit,wherein, in the stop cold heating mode, the controller is configured to operate the at least one fluid control device to direct flow of the coolant through the first conduit and to operate the at least one fluid control device to restrict flow of the coolant through the first bypass conduit,wherein, in the stop cold heating mode, the first conduit is in fluid communication with the waste heat exchanger, andwherein, in the stop cold heating mode, the thermoelectric device provides heat to the comfort airflow while the internal combustion engine is not able to heat the comfort airflow to a specified comfortable temperature without the heat provided by the thermoelectric device. 2. The system of claim 1, wherein the temperature control system, in the stop cold heating mode, is configured to allow for a longer stop time of the internal combustion engine than stopping the internal combustion engine in the stop heating mode while heating the occupant compartment of the vehicle to a certain cabin temperature. 3. The system of claim 1, wherein the stop cold heating mode includes the internal combustion engine configured to heat the comfort airflow while the thermoelectric device receives electric current supplied in the first polarity. 4. The system of claim 1, wherein the plurality of modes of operation further comprises a cooling mode wherein the thermoelectric device is configured to cool the comfort airflow by transferring thermal energy from the main surface to the waste surface while receiving electric current supplied in a second polarity. 5. The system of claim 1, further comprising a thermal storage device disposed in the comfort air channel, the thermal storage device configured to store thermal energy and at least one of transfer thermal energy to the comfort airflow or absorb thermal energy from the comfort airflow. 6. The system of claim 5, further comprising an evaporator core of a belt driven refrigeration system disposed in the comfort air channel, wherein the thermal storage device is connected to the evaporator core, and wherein the thermal storage device is configured to store cooling capacity during at least one of a cooling mode or a demisting mode while the internal combustion engine is in operation. 7. The system of claim 5, wherein the plurality of modes of operation further comprises a first stop demisting mode wherein the thermal storage device is configured to cool the comfort airflow by absorbing thermal energy from the comfort airflow using stored cooling capacity and the thermoelectric device is configured to heat the comfort airflow by transferring thermal energy from the waste surface to the main surface while receiving electric current supplied in the first polarity. 8. The system of claim 1, wherein the supplemental heat exchanger is downstream from the heater core with respect to a direction of the comfort airflow in the comfort air channel when the temperature control system is in operation. 9. The system of claim 1, wherein the waste surface of the thermoelectric device is in thermal communication with the engine block coolant conduit. 10. The system of claim 1, wherein the thermal energy source is at least one of a battery, an electronic device, a burner, or an exhaust of the vehicle. 11. The system of claim 1, wherein the fluid circuit includes a second conduit configured to convey the coolant in the second conduit and a second bypass conduit configured to convey the coolant in the second bypass conduit, the second bypass conduit configured to bypass flow of the coolant around the second conduit, and wherein the stop heating mode includes directing flow of the coolant through the second conduit and restricting flow of the coolant through the second bypass conduit. 12. The system of claim 11, wherein the second conduit is in fluid communication with the heater core, and wherein the stop cold heating mode includes restricting flow of the coolant through the second conduit and directing flow of the coolant through the second bypass conduit. 13. The system of claim 1, wherein the plurality of modes of operation further comprises a stop demisting mode wherein the thermoelectric device is configured to cool the comfort airflow by transferring thermal energy from the main surface to the waste surface while receiving electric current supplied in a second polarity and the internal combustion engine is configured to heat the comfort airflow while the internal combustion engine is able to heat the comfort airflow to a specified comfortable temperature, wherein the supplemental heat exchanger is upstream from the heater core with respect to a direction of the comfort airflow in the comfort air channel when the temperature control system is in operation. 14. The system of claim 1, wherein at least a portion of the thermoelectric device is disposed in the comfort air channel. 15. The system of claim 1, wherein, in the stop cold heating mode, the first conduit is in fluid communication with the engine block coolant conduit and the waste heat exchanger. 16. The system of claim 1, wherein the at least one fluid control device comprises a first fluid control device and a second fluid control device, wherein, in the stop heating mode, the controller is configured to operate the first fluid control device to restrict flow of the coolant through the first conduit and to operate the second fluid control device to direct flow of the coolant through the first bypass conduit, andwherein, in the stop cold heating mode, the controller is configured to operate the first fluid control device to direct flow of the coolant through the first conduit and to operate the second fluid control device to restrict flow of the coolant through the first bypass conduit. 17. The system of claim 16, wherein, in the stop cold heating mode, the engine block coolant conduit is in thermal communication with the waste heat exchanger. 18. The system of claim 1, wherein, in the stop cold heating mode, the engine block coolant conduit is in thermal communication with the heater core and the waste heat exchanger. 19. The system of claim 1, wherein at least a portion of the first conduit separate from the first bypass conduit directly contacts the waste heat exchanger. 20. The system of claim 1, wherein the first conduit directs flow of the coolant from the waste heat exchanger to the internal combustion engine of the vehicle. 21. A temperature control system for heating, cooling, and/or demisting an occupant compartment of a vehicle during a stop of an engine of the vehicle, the system comprising: an engine coolant circuit in thermal communication with the engine of the vehicle; wherein the engine coolant circuit is configured to convey a coolant,a first heat exchanger disposed in a comfort air channel of the vehicle and in fluid communication with the engine coolant circuit;a thermoelectric device having a waste surface and a main surface, wherein the waste surface is in thermal communication with a thermal energy source or a heat sink;a second heat exchanger disposed in the comfort air channel and in thermal communication with the main surface of the thermoelectric device, wherein the second heat exchanger is downstream from the first heat exchanger with respect to a direction of a comfort airflow in the comfort air channel when the temperature control system is in operation;a first conduit configured to convey the coolant in the first conduit, the first conduit in fluid communication with the waste surface of the thermoelectric device via a waste heat exchanger connected to the waste surface of the thermoelectric device;a first bypass conduit configured to convey the coolant in the first bypass conduit, the first bypass conduit configured to bypass flow of the coolant around the first conduit, wherein the first conduit and the first bypass conduit include a common inlet connection and a common outlet connection, wherein the first conduit and the first bypass conduit are connected in parallel between said common inlet connection and said common outlet connection,at least one flow control device configured to restrict coolant flow through the first bypass conduit; anda controller configured to operate the temperature control system in a plurality of modes of operation to heat, cool, and/or demist the occupant compartment of the vehicle,wherein the plurality of modes of operation comprises a stop heating mode wherein residual heat of the engine is configured to heat the comfort airflow in the comfort air channel while electric current is not supplied to the thermoelectric device and while the engine is stopped, andwherein the first conduit directly connects to the waste heat exchanger. 22. The system of claim 21, wherein the plurality of modes further comprises a stop cold heating mode wherein the thermoelectric device is configured to heat the comfort airflow by transferring thermal energy from the waste surface to the main surface while receiving electric current and while the engine is stopped, and wherein, in the stop cold heating mode, the thermoelectric device provides heat to the comfort airflow while the engine is not able to heat the comfort airflow to a specified comfortable temperature without the heat provided by the thermoelectric device. 23. The system of claim 22, wherein, in the stop cold heating mode, the controller is configured to operate the at least one flow control device to direct flow of the coolant through the first conduit that is in thermal communication with the waste surface of the thermoelectric device and to operate the at least one flow control device to restrict flow of the coolant through the first bypass conduit. 24. The system of claim 21, wherein the plurality of modes of operation further comprises a cooling mode wherein the thermoelectric device is configured to cool the comfort airflow by transferring thermal energy from the main surface to the waste surface while receiving electric current. 25. The system of claim 21, wherein at least a portion of the thermoelectric device is disposed in the comfort air channel. 26. The system of claim 21, wherein the thermal energy source is at least one of a battery, an electronic device, a burner, or an exhaust of the vehicle. 27. The system of claim 21, wherein the waste heat exchanger is connected to a fluid circuit containing the coolant, and wherein the coolant is in fluid communication with the thermal energy source or the heat sink. 28. The system of claim 21, wherein the plurality of modes further comprise a stop cooled heating mode, wherein, in the stop cooled heating mode: residual heat of the internal combustion engine is configured to heat the comfort airflow in the comfort air channel while the engine is stopped, andthe thermoelectric ice is configured to heat the comfort airflow by transferring thermal energy from the waste surface to the main surface while receiving electric current and while the engine is stopped.
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