[특허]Thermoelectric heat exchange system comprising cascaded cold side heat sinks

Phononic Devices, Inc.

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특허 상세정보

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Thermoelectric heat exchange system comprising cascaded cold side heat sinks

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-021/02 F25B-021/02 F25B-021/04
출원번호	US-0888799 (2013-05-07)
등록번호	US-9341394 (2016-05-17)
발명자 / 주소	Edwards, Jesse W. June, M. Sean Therrien, Robert Joseph Yadav, Abhishek
출원인 / 주소	Phononic Devices, Inc.
대리인 / 주소	Withrow & Terranova, PLLC
인용정보	피인용 횟수 : 1 인용 특허 : 200

초록
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A thermoelectric refrigeration system including at least one cooling chamber and a thermoelectric heat exchange system. The thermoelectric heat exchange system includes cascaded heat sinks. The cascaded heat sinks include cascaded cold side heat sinks and a hot side heat sink. The cascaded cold side heat sinks include a first cold side heat sink and a second cold side heat sink. The thermoelectric heat exchange system also includes a first plurality of thermoelectric coolers disposed between the first cold side heat sink and the second cold side heat sin...

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1. A thermoelectric refrigeration system comprising: at least one cooling chamber; anda thermoelectric heat exchange system comprising: a plurality of cascaded heat sinks comprising a plurality of cascaded cold side heat sinks and a hot side heat sink, the plurality of cascaded cold side heat sinks comprising: a first cold side heat sink connected to a first heat accept loop; anda second cold side heat sink connected to a second heat accept loop;a first plurality of thermoelectric coolers located between the first cold side heat sink and the second cold side heat sink; anda second plurality of thermoelectric coolers located between the second cold side heat sink and the hot side heat sink;wherein the first heat accept loop and the second heat accept loop are not thermally in series. 2. The thermoelectric refrigeration system of claim 1 wherein the at least one cooling chamber comprises a first cooling chamber and a second cooling chamber, the first heat accept loop is in thermal contact with an interior wall of the thermoelectric refrigeration system that defines the first cooling chamber, and the second heat accept loop is in thermal contact with an interior wall of the thermoelectric refrigeration system that defines the second cooling chamber. 3. The thermoelectric refrigeration system of claim 2 further comprising a controller further configured to separately control different subsets of the second plurality of thermoelectric coolers located between the first cold side heat sink and the hot side heat sink to maintain a set point in the first cooling chamber while also pumping heat rejected by the first plurality of thermoelectric coolers of the plurality of thermoelectric coolers located between the first cold side heat sink and the second cold side heat sink. 4. The thermoelectric refrigeration system of claim 2 wherein the first heat accept loop is integrated onto the interior wall that defines the first cooling chamber, and the second heat accept loop is integrated onto the interior wall that defines the second cooling chamber. 5. The thermoelectric refrigeration system of claim 2 wherein the first heat accept loop is integrated into the interior wall that defines the first cooling chamber, and the second heat accept loop is integrated into the interior wall that defines the second cooling chamber. 6. The thermoelectric refrigeration system of claim 1 wherein: the first heat accept loop operates according to thermosiphon principles such that, when the thermoelectric heat exchange system is active, the first heat accept loop provides passive, two-way transport of a cooling medium through the first heat accept loop such that heat is extracted from the first cooling chamber; andthe second heat accept loop operates according to thermosiphon principles such that, when the thermoelectric heat exchange system is active, the second heat accept loop provides passive, two-way transport of a cooling medium through the second heat accept loop such that heat is extracted from the second cooling chamber. 7. The thermoelectric refrigeration system of claim 6 further comprising thermal insulation comprising at least one of a group consisting of: thermal insulation between the plurality of cascaded heat sinks and the at least one cooling chamber and thermal insulation between the plurality of cascaded heat sinks and an external environment. 8. The thermoelectric refrigeration system of claim 7 wherein: the first heat accept loop operates as a thermal diode that together with the thermal insulation operates to prevent heat leak back into the first cooling chamber when the thermoelectric heat exchange system is deactivated; andthe second heat accept loop operates as a thermal diode that together with the thermal insulation operates to prevent heat leak back into the second cooling chamber when the thermoelectric heat exchange system is deactivated. 9. The thermoelectric refrigeration system of claim 6 wherein the thermoelectric heat exchange system further comprises a heat reject loop that is coupled to the hot side heat sink and in thermal contact with an exterior wall of the thermoelectric refrigeration system. 10. The thermoelectric refrigeration system of claim 9 wherein the heat reject loop operates according to thermosiphon principles such that, when the thermoelectric heat exchange system is active, the heat reject loop provides passive, two-way transport of a medium through the first heat reject loop such that heat extracted from the at least one cooling chamber is rejected to an external environment. 11. The thermoelectric refrigeration system of claim 10 further comprising thermal insulation between the plurality of cascaded heat sinks and the at least one cooling chamber and thermal insulation between the plurality of cascaded heat sinks and the external environment. 12. The thermoelectric refrigeration system of claim 11 wherein: the first heat accept loop, the second heat accept loop, and the heat reject loop operate as thermal diodes that together with the thermal insulation operate to prevent heat leak back into the first and second cooling chambers when the thermoelectric heat exchange system is deactivated. 13. The thermoelectric refrigeration system of claim 1 wherein: the thermoelectric heat exchange system comprises, for each cold side heat sink of the plurality of cascaded cold side heat sinks, a heat accept loop that is coupled to the cold side heat sink and in thermal contact with a corresponding cooling chamber of the at least one cooling chamber to thereby extract heat from the corresponding cooling chamber when the thermoelectric heat exchange system is active; anda last plurality of thermoelectric coolers located between a last cold side heat sink of the plurality of cascaded cold side heat sinks and the hot side heat sink has sufficient capacity to pump the heat extracted from the at least one cooling chamber by the heat accept loops coupled to the plurality of cascaded cold side heat sinks when the thermoelectric heat exchange system is active. 14. The thermoelectric refrigeration system of claim 1 wherein the at least one cooling chamber comprises a plurality of cooling chambers, and each cold side heat sink of the plurality of cascaded cold side heat sinks utilizes a corresponding heat exchange mechanism to extract heat from a different one of the plurality of cooling chambers. 15. The thermoelectric refrigeration system of claim 1 wherein the thermoelectric refrigeration system further comprises a controller configured to, for each different plurality of thermoelectric coolers, separately control different subsets of the different plurality of thermoelectric coolers. 16. The thermoelectric refrigeration system of claim 15 wherein the controller is configured to separately control activation and deactivation of the different subsets of the different plurality of thermoelectric coolers. 17. The thermoelectric refrigeration system of claim 15 wherein the controller is configured to separately control duty cycles of the different subsets of the different plurality of thermoelectric coolers. 18. The thermoelectric refrigeration system of claim 15 wherein the controller is configured to separately control current provided to the different subsets of the different plurality of thermoelectric coolers.

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이 특허를 인용한 특허 피인용횟수: 1

Alexander, Clayton. Heated or cooled dishware and drinkware. USP20190110188229.

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Thermoelectric heat exchange system comprising cascaded cold side heat sinks

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