Apparatus and method for facilitating cooling of an electronics system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-007/20
F25D-023/12
출원번호
UP-0957619
(2007-12-17)
등록번호
US-7660109
(2010-04-02)
발명자
/ 주소
Iyengar, Madhusudan K.
Kamath, Vinod
Matteson, Jason A.
Schmidt, Roger R.
Steinke, Mark E.
출원인 / 주소
International Business Machines Corporation
대리인 / 주소
Monteleone, Esq., Geraldine
인용정보
피인용 횟수 :
47인용 특허 :
30
초록▼
Apparatus and method are provided for facilitating air-cooling of an electronics system employing a vapor-compression heat exchange system, and front and back covers. An evaporator housing of the heat exchange system is mounted to a system housing of the electronics system and extends at least parti
Apparatus and method are provided for facilitating air-cooling of an electronics system employing a vapor-compression heat exchange system, and front and back covers. An evaporator housing of the heat exchange system is mounted to a system housing of the electronics system and extends at least partially between air inlet and outlet sides of the system housing. The evaporator housing includes air inlet and outlet openings, and an evaporator. The front cover is mounted to the system or evaporator housing adjacent to the air inlet side or air outlet opening, and the back cover is mounted to the system or evaporator housing adjacent to the air outlet side or air inlet opening. Together, the system housing, back cover, evaporator housing and front cover define a closed loop airflow path passing through the system housing and evaporator housing, with the vapor-compression heat exchange system cooling air circulating therethrough.
대표청구항▼
What is claimed is: 1. An apparatus for facilitating cooling of an air-cooled electronics system, the air-cooled electronics system comprising a system housing containing at least one electronics subsystem to be air-cooled, the apparatus comprising: a vapor-compression heat exchange system comprisi
What is claimed is: 1. An apparatus for facilitating cooling of an air-cooled electronics system, the air-cooled electronics system comprising a system housing containing at least one electronics subsystem to be air-cooled, the apparatus comprising: a vapor-compression heat exchange system comprising an evaporator housing and an evaporator disposed therein, the evaporator housing being configured to couple to a first side of the system housing to extend at least partially between an air inlet side and an air outlet side of the system housing, the evaporator housing comprising an air inlet opening and an air outlet opening, wherein the vapor-compression heat exchange system further comprises a vapor-compression unit in fluid communication with the evaporator for exhausting heat from refrigerant circulating therethrough; a front cover and a back cover, the front cover being configured to mount to at least one of the system housing or the evaporator housing adjacent to the air inlet side of the system housing or the air outlet opening of the evaporator housing, and the back cover being configured to mount to at least one of the system housing or the evaporator housing adjacent to the air outlet side of the system housing or the air inlet opening of the evaporator housing, wherein the system housing, back cover, evaporator housing and front cover together facilitate establishing a closed loop airflow path passing through the air inlet and air outlet sides of the system housing and through the air inlet and air outlet openings of the evaporator housing, and wherein when operational, the vapor-compression heat exchange system at least partially cools air circulating through the closed loop airflow path, thereby facilitating cooling of the at least one electronics subsystem of the electronics system; and a condenser housing enclosing the vapor-compression unit, the condenser housing being configured to mount to a top side of the system housing, and wherein the vapor-compression unit comprises an air-to-liquid condenser heat exchanger and an air-moving device for establishing ambient airflow across the air-to-liquid condenser heat exchanger, wherein ambient airflow across the air-to-liquid condenser heat exchanger is outside the closed loop airflow path facilitated by the back cover, evaportor housing, front cover and system housing, and is from an air inlet side to an air outlet side of the condenser housing, and wherein the air inlet side of the condenser housing is in a plane parallel to the air inlet side of the system housing, and the air outlet side of the condenser housing is in a plane parallel to the air outlet side of the system housing. 2. The apparatus of claim 1, wherein the front cover comprises a front door configured to hingedly mount along one edge to one of the system housing or the evaporator housing, and wherein the back cover comprises a back door configured to hingedly mount along one edge to one of the system housing or the evaporator housing. 3. The apparatus of claim 1, wherein the condenser housing has a width and a depth equal to a width and a depth, respectively, of the system housing. 4. The apparatus of claim 1, wherein the vapor-compression unit further comprises an air filter for filtering ambient air drawn through the vapor-compression unit by the air-moving device. 5. The apparatus of claim 1, wherein the vapor-compression unit further comprises an expansion valve and a compressor, and wherein the air-to-liquid condenser heat exchanger comprises a refrigerant-vapor inlet plenum, a refrigerant-liquid outlet plenum and multiple fluid-carrying tubes connecting the refrigerant-vapor inlet plenum and refrigerant-liquid outlet plenum in fluid communication, the compressor being coupled in fluid communication between the evaporator and the refrigerant-vapor inlet plenum, and the expansion valve being coupled in fluid communication between the refrigerant-liquid outlet plenum and the evaporator. 6. The apparatus of claim 5, wherein the evaporator comprises an air-to-liquid evaporator heat exchanger, the air-to-liquid evaporator heat exchanger comprising a refrigerant-liquid inlet plenum, a refrigerant-vapor outlet plenum and multiple fluid-carrying tubes connecting the refrigerant-liquid inlet plenum and refrigerant-vapor outlet plenum in fluid communication. 7. The apparatus of claim 1, further comprising at least one air-moving device disposed adjacent to at least one of the air inlet opening or the air outlet opening of the evaporator housing. 8. The apparatus of claim 7, wherein the at least one air-moving device comprises a first air-moving device disposed adjacent to the air inlet opening of the evaporator housing, and a second air-moving device disposed adjacent to the air outlet opening of the evaporator housing, wherein the first air-moving device and the second air-moving device facilitate establishing of a circulating airflow through the closed loop airflow path. 9. A cooled electronics system comprising: an electronics system, the electronics system comprising: at least one electronics subsystem to be cooled; a system housing at least partially surrounding the at least one electronics subsystem, the system housing comprising an air inlet side and an air outlet side, the air inlet and air outlet sides respectively enabling ingress and egress of air; at least one air-moving device, the at least one air-moving device causing air to flow from the air inlet side of the system housing, across the at least one electronics subsystem to the air outlet side of the system housing; and an apparatus for facilitating cooling of the electronics system, the apparatus comprising: a vapor-compression heat exchange system comprising an evaporator housing and an evaporator disposed therein, the evaporator housing being coupled to a first side of the system housing and extending at least partially between the air inlet side and the air outlet side of the system housing, the evaporator housing comprising an air inlet opening and an air outlet opening, and wherein the vapor-compression heat exchange system further comprises a vapor-compression unit in fluid communication with the evaporator for exhausting heat from refrigerant circulating therethrough; a front cover and a back cover, the front cover being mounted to at least one of the system housing or the evaporator housing adjacent to the air inlet side of the system housing or the air outlet opening of the evaporator housing, and the back cover being mounted to at least one of the system housing or the evaporator housing adjacent to the air outlet side of the system housing or the air inlet opening of the evaporator housing, wherein the system housing, back cover, evaporator housing and front cover together facilitate establishing a closed loop airflow path passing through the air inlet and air outlet sides of the system housing and through the air inlet and air outlet openings of the evaporator housing, and wherein the vapor-compression heat exchange system at least partially cools air circulating through the closed loop airflow path, thereby facilitating cooling of the at least one electronics subsystem of the electronics system; and a condenser housing enclosing the vapor-compression unit, the condenser housing being mounted to a top side of the system housing, and wherein the vapor-compression unit comprises an air-to-liquid condenser heat exchanger and an air-moving device for establishing ambient airflow across the air-to-liquid condenser heat exchanger, wherein ambient airflow across the air-to-liquid condenser heat exchanger is outside the closed loop airflow path facilitated by the back cover, evaporator housing, front cover and system housing, and is from an air inlet side to an air outlet side of the condenser housing, and wherein the air inlet side of the condenser housing is in a plane parallel to the air inlet side of the system housing, and the air outlet side of the condenser housing is in a plane parallel to the air outlet side of the system housing. 10. The cooled electronics system of claim 9, wherein the air inlet opening of the evaporator housing is disposed adjacent to the air outlet side of the electronics housing, and the air outlet opening of the evaporator housing is disposed adjacent to the air inlet side of the system housing, and wherein the system housing is configured to reside on a table. 11. The cooled electronics system of claim 10, wherein the electronics system is a multi-blade center system comprising the at least one air-moving device for establishing airflow across multiple blades of the multi-blade center system, wherein each blade of the multiple blades is an electronics subsystem. 12. The cooled electronics system of claim 9, wherein the front cover comprises a front door hingedly mounted along one edge to one of the system housing or the evaporator housing, and wherein the back cover comprises a back door hingedly mounted along one edge to one of the system housing or the evaporator housing, the front door defining in part an air inlet plenum and the back door defining in part an air outlet plenum, the closed loop airflow path passing through the air inlet plenum and the air outlet plenum. 13. The cooled electronics system of claim 9, wherein the condenser housing has a width and a depth equal to a width and a depth, respectively, of the system housing. 14. The cooled electronics system of claim 9, wherein the first side and the top side of the system housing are orthogonally-oriented sides of the system housing. 15. The cooled electronics system of claim 9, wherein the vapor-compression unit further comprises an expansion valve and a compressor, and the air-to-liquid condenser heat exchanger comprises a refrigerant-vapor inlet plenum, a refrigerant-liquid outlet plenum and multiple fluid-carrying tubes connecting the refrigerant-vapor inlet plenum and refrigerant-liquid outlet plenum in fluid communication, the compressor being coupled in fluid communication between the evaporator and the refrigerant-vapor inlet plenum, and the expansion valve being coupled in fluid communication between the refrigerant-liquid outlet plenum and the evaporator. 16. The cooled electronics system of claim 15, wherein the evaporator comprises an air-to-liquid evaporator heat exchanger, the air-to-liquid evaporator heat exchanger comprising a refrigerant-liquid inlet plenum, a refrigerant-vapor outlet plenum and multiple fluid-carrying tubes connecting the refrigerant-liquid inlet plenum and refrigerant-vapor outlet plenum in fluid communication. 17. A method of facilitating cooling an electronics system, the electronics system comprising a system housing containing at least one electronics subsystem to be air-cooled, the method comprising: obtaining a vapor-compression heat exchange system comprising an evaporator housing and an evaporator disposed therein, the evaporator housing being configured to couple to a first side of the system housing and extend at least partially between an air inlet side and an air outlet side of the system housing, the evaporator housing comprising an air inlet opening and an air outlet opening, wherein the vapor-compression heat exchange system further comprises a vapor-compression unit in fluid communication with the evaporator for exhausting heat from refrigerant circulating therethrough; mounting the evaporator housing to the first side of the system housing; obtaining a front cover and a back cover, the front cover being configured to cover an air inlet of the air inlet side of the system housing and the air outlet opening of the evaporator housing, and the back cover being configured to cover an air outlet of the air outlet side of the system housing and the air inlet opening of the evaporator housing; mounting the front cover to at least one of the system housing or the evaporator housing to cover the air inlet of the system housing and the air outlet opening of the evaporator housing, and mounting the back cover to at least one of the system housing or the evaporator housing to cover the air outlet of the system housing and the air inlet opening of the evaporator housing, the front cover defining an air inlet plenum and the back cover defining an air outlet plenum, the air inlet plenum directing air from the air outlet opening of the evaporator housing to the air inlet side of the system housing, and the air outlet plenum directing air from the air outlet of the system housing to the air inlet opening of the evaporator housing, wherein the system housing, back cover, evaporator housing and front cover together facilitate establishing a closed loop airflow path passing through the air inlet and air outlet sides of the system housing and through the air inlet and air outlet openings of the evaporator housing, and wherein when operational, the vapor-compression heat exchange system at least partially cools air circulating through the closed loop path, thereby facilitating cooling of the at least one electronics subsystem of the electronics system; and wherein the vapor-compression heat exchange system further comprises a condenser housing enclosing the vapor-compression unit, and wherein the method further comprises mounting the condenser housing to a top side of the system housing, the vapor-compression unit further comprising an air-to-liquid condenser heat exchanger and an air-moving device for establishing ambient airflow across the air-to-liquid condenser heat exchanger, wherein ambient airflow across the air-to-liquid condenser heat exchanger is outside the closed loop airflow path defined by the back cover, evaporator housing, front cover and system housing and is from an air inlet side to an air outlet side of the condenser housing, and wherein the air inlet side of the condenser housing is in a plane parallel to the air inlet side of the system housing, and the air outlet side of the condenser housing is in a plane parallel to the air outlet side of the system housing. 18. The method of claim 17, wherein the front cover comprises a front door configured to hingedly mount along one edge to one of the system housing or the evaporator housing, and the back cover comprises a back door configured to hingedly mount along one edge to one of the system housing or the evaporator housing, wherein mounting the front cover further comprises hingedly mounting the one edge of the front cover to the system housing or the evaporator housing, and mounting the back cover further comprises hingedly mounting the one edge of the back cover to one of the system housing or the evaporator housing. 19. The method of claim 17, wherein the condenser housing has a width and a depth equal to a width and a depth, respectively, of the system housing.
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