[특허]Methods and apparatus for CT system thermal control architecture

General Electric Company

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Methods and apparatus for CT system thermal control architecture

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01J-035/10 H01J-035/00
미국특허분류(USC)	378/199
출원번호	US-0284513 (2005-11-22)
등록번호	US-7338208 (2008-03-04)
발명자 / 주소	Lacey,Joseph James
출원인 / 주소	General Electric Company
대리인 / 주소	Armstrong Teasdale LLP
인용정보	피인용 횟수 : 2 인용 특허 : 8

초록

A method of cooling a medical imaging system that includes a gantry is provided. The method includes supplying air to the gantry. The supplied air is conditioned to reduce variation of the temperature within the gantry. After the air is conditioned it is channeled throughout the gantry to a plurality of heat producing electronic devices within the gantry.

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What is claimed is: 1. A method of cooling a medical imaging system that includes a gantry comprising; supplying air to the gantry; conditioning the supplied air to maintain a predetermined bulk temperature and to facilitate reducing the variation of temperature within the gantry; independently channeling a variable amount of the conditioned air to a plurality of heat producing electronic devices, wherein the heat producing electronic devices are coupled in flow communication with a plurality of fans, wherein at least one of the heat producing electronic devices is coupled within a plenum, wherein at least one of the fans is a plenum fan coupled at an inlet of the plenum coupled within the gantry, and wherein at least one of the fans is an exhaust fan orientated to exhaust the supplied air outside of the gantry; operating a first one of the fans at a speed different than a second one of the fans; detecting local temperatures at at least the heat producing electronic devices and the plenum; and controlling the plenum fan and the exhaust fan based on at least one of the detected local temperatures, the at least one of the detected local temperatures used as a feedback variable to control at least the exhaust fan. 2. A method in accordance with claim 1 further comprising varying the speeds of the fans to facilitate conditioning the supplied air at a plurality of locations within the gantry. 3. A method in accordance with claim 2 wherein the plurality of fans operate independently. 4. A method in accordance with claim 1 wherein conditioning the supplied air to maintain a predetermined bulk temperature further comprises: receiving a first signal indicative of a bulk temperature in the gantry; comparing the bulk temperature signal to a predetermined selectable threshold; and controlling the flow of supplied air to the gantry using the comparison. 5. A method in accordance with claim 1 wherein conditioning the supplied air comprises heating the supplied air to a predetermined selectable threshold. 6. A method in accordance with claim 1 wherein conditioning the supplied air further comprises: receiving a signal indicative of a local temperature of at least one of a plurality of locations within the gantry; comparing the signal to a predetermined selectable threshold; controlling the flow of air to the at least one of the plurality of locations using the comparison. 7. A method in accordance with claim 1 wherein conditioning the supplied air further comprises conditioning the flow of the supplied air channeled to at least one detector rail. 8. A method in accordance with claim 7 further comprising: receiving a signal indicative of a local temperature at the at least one detector rail; comparing the signal to a predetermined selectable threshold; controlling a heater using the comparison to facilitate maintaining a substantially constant temperature of the at least one detector rail. 9. A method in accordance with claim 1 wherein supplying air to the gantry further comprises channeling room air using an inlet heater blower box. 10. A method in accordance with claim 1 further comprising exhausting the supplied air using the exhaust fan. 11. A medical imaging system comprising: a gantry including a controller configured to receive a plurality of signals indicative of temperatures at a plurality of respective locations within said gantry; a local thermal control system configured to maintain a predetermined temperature of a plurality of heat producing electronic devices within said gantry, wherein at least one of said heat producing electronic devices is coupled within a plenum, wherein said local thermal control system further comprises a plurality of fans coupled in flow communication with said heat producing electronic devices, wherein at least one of the fans is a plenum fan coupled at an inlet of the plenum coupled within said gantry, wherein a first one of said fans operating at a speed different than a second one of said fans, wherein said local thermal control system further comprises a plurality of temperature sensors configured to detect local temperatures at said heat producing electronic devices and said plenum; and a bulk thermal control system configured to maintain a predetermined temperature within said gantry to facilitate reducing the variation of temperature within said gantry, wherein said bulk thermal control system comprises at least one exhaust fan coupled to said gantry and orientated to exhaust the supplied air outside of said gantry, wherein said bulk thermal control system and said local thermal control system are communicatively coupled to said controller, said controller configured to control said exhaust fan and said plenum fan based on at least one of said detected local temperatures, said controller configured to use said at least one of said detected local temperatures as a feedback variable to control at least said exhaust fan. 12. A medical imaging system in accordance with claim 11 wherein said gantry further comprises a plenum to circulate air in said gantry. 13. A medical imaging system in accordance with claim 11 wherein said heat producing electronic devices are configured to transmit a signal indicative of said at least one detected local temperatures to said controller, said controller controlling said fans to maintain a local temperature of a respective heat producing electronic device at a substantially constant temperature. 14. A medical imaging system in accordance with claim 11 wherein said heat producing electronic devices includes at least one detector rail. 15. A medical imaging system in accordance with claim 14 wherein said local thermal control system further comprises a heater communicatively coupled to said controller and in a flow path with said at least one detector rail, said heater receiving signals from said controller and maintaining the heat of air in a flow path with said at least one detector rail. 16. A medical imaging system in accordance with claim 11 wherein said bulk thermal control system further comprises an inlet heater blower box in a flow path with said gantry and communicatively coupled to said controller such that said controller controls the output of air from said inlet heater blower box to said gantry. 17. A medical imaging system in accordance with claim 16 wherein said bulk thermal control system further comprises a heater in a flow path with said inlet heater blower box and communicatively coupled to said controller such that said controller maintains the heat of air input into said inlet heater blower box. 18. A medical imaging system in accordance with claim 11 wherein said bulk thermal control system further comprises at least one rear exhaust fan and at least one booster fan to selectively exhaust air from said gantry. 19. A medical imaging system in accordance with claim 11 wherein said bulk thermal control system further comprises at least one front exhaust fan to selectively exhaust air from said gantry. 20. A medical imaging system in accordance with claim 11 wherein the first one of said fans operating at a non-zero speed different than a non-zero-speed of the second one of said fans.

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특허 상세정보

Methods and apparatus for CT system thermal control architecture

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특허 상세정보

Methods and apparatus for CT system thermal control architecture

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이 특허에 인용된 특허 (8)

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IPC 상세정보(version : 201201)

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