[특허]Compressor crankcase heating control systems and methods

Compressor crankcase heating control systems and methods 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-049/02 F04B-039/06 F04B-035/04 F04B-039/12 F04B-049/06 F04B-039/00 F04B-053/14 F25B-031/00 F04C-029/04 F04B-039/02 F25B-031/02 F25B-030/02
출원번호	US-0936117 (2015-11-09)
등록번호	US-9851135 (2017-12-26)
발명자 / 주소	Pham, Hung
출원인 / 주소	Emerson Climate Technologies, Inc.
대리인 / 주소	Harness, Dickey & Pierce, P.L.C.
인용정보	피인용 횟수 : 0 인용 특허 : 39

초록 ▼

A crankcase heating control system for a heat pump system includes a data receiving module and a power control module. The data receiving module receives data indicative of a temperature of a compressor of the heat pump system, data indicative of an ambient temperature, and data indicative of a current date and a current time. The power control module selectively applies power to a heater of a crankcase of the compressor and selectively disables the heater based on the temperature of the compressor, the ambient temperature, the current date, and the current time.

대표청구항 ▼

1. A crankcase heating control system for a heat pump system, the crankcase heating control system comprising: a data receiving module that receives data indicative of a temperature of a compressor of the heat pump system, data indicative of an ambient temperature, and data indicative of a current date and a current time; anda power control module that selectively applies power to a heater of a crankcase of the compressor and that selectively disables the heater based on the temperature of the compressor, the ambient temperature, the current date, and the current time including selectively disabling the heater when the ambient temperature is less than a predetermined temperature. 2. The crankcase heating control system of claim 1 wherein the power control module disables the heater of the crankcase when the current date is within a predetermined date range. 3. The crankcase heating control system of claim 1 wherein the power control module disables the heater of the crankcase when the current time is within a predetermined daily time range. 4. The crankcase heating control system of claim 1 wherein the power control module disables the heater of the crankcase when all of: a period since the compressor stopped pumping is greater than a predetermined period; the ambient temperature is less than the predetermined temperature; and the temperature of the compressor is less than the predetermined temperature. 5. The crankcase heating control system of claim 1 wherein the power control module receives a predetermined period input by a user and disables the heater of the crankcase when the current date and time is within the predetermined period. 6. The crankcase heating control system of claim 1 wherein the power control module disables the heater of the crankcase for at least three hours following a time when the compressor stopped pumping. 7. The crankcase heating control system of claim 1 wherein the power control module disables the heater of the crankcase when the ambient temperature is greater than a predetermined temperature. 8. The crankcase heating control system of claim 1 wherein the temperature of the compressor is one of a discharge line temperature of the compressor, a temperature of a motor of the compressor, a temperature of lubricant within the compressor, an upper shell temperature, and a lower shell temperature. 9. A crankcase heating system comprising: the crankcase heating control system of claim 1; andthe heater of the crankcase, wherein the heater includes one of an electric heater that encircles a shell of the compressor, a positive temperature coefficient (PTC) electric heater disposed within the shell of the compressor, and a motor of the compressor. 10. A crankcase heating control method for a heat pump system, the crankcase heating control method comprising: receiving data indicative of a temperature of a compressor of the heat pump system;receiving data indicative of an ambient temperature;receiving data indicative of a current date and a current time;selectively applying power to a heater of a crankcase of the compressor; andselectively disabling the heater based on the temperature of the compressor, the ambient temperature, the current date, and the current time including selectively disabling the heater when the ambient temperature is less than a predetermined temperature. 11. The crankcase heating control method of claim 10 wherein the selectively disabling the heater comprises disabling the heater of the crankcase when the current date is within a predetermined date range. 12. The crankcase heating control method of claim 10 wherein the selectively disabling the heater comprises disabling the heater of the crankcase when the current time is within a predetermined daily time range. 13. The crankcase heating control method of claim 10 wherein the selectively disabling the heater comprises disabling the heater of the crankcase when all of: a period since the compressor stopped pumping is greater than a predetermined period;the ambient temperature is less than the predetermined temperature; andthe temperature of the compressor is less than the predetermined temperature. 14. The crankcase heating control method of claim 10 wherein: the crankcase heating control method further comprises receiving a predetermined period input by a user; andthe selectively disabling the heater comprises disabling the heater of the crankcase when the current date and time is within the predetermined period. 15. The crankcase heating control method of claim 10 wherein the selectively disabling the heater comprises disabling the heater of the crankcase for at least three hours following a time when the compressor stopped pumping. 16. The crankcase heating control method of claim 10 wherein the selectively disabling the heater comprises disabling the heater of the crankcase when the ambient temperature is greater than a predetermined temperature. 17. A crankcase heating control system for a heat pump system, the crankcase heating control system comprising: a data receiving module that receives data indicative of a temperature of a compressor of the heat pump system, data indicative of an ambient temperature, and data indicative of a current date and a current time; anda power control module that: selectively applies power to a heater of a crankcase of the compressor while the compressor is off based on at least one of the temperature, the ambient temperature, the current date, and the current time;for a predetermined period of at least 30 minutes after a time when the compressor stopped pumping, prevents the application of power to the heater of the crankcase of the compressor; andselectively disables the heater of the crankcase when the ambient temperature is less than a predetermined temperature. 18. The crankcase heating control system of claim 17 further comprising: a difference module that sets a temperature difference equal to the temperature of the compressor minus the ambient temperature,wherein the power control module disables the heater of the crankcase when the temperature difference is greater than a second predetermined temperature. 19. The crankcase heating control system of claim 18 wherein the power control module applies power to the heater of the crankcase when the temperature difference is less than a third predetermined temperature that is less than the second predetermined temperature. 20. The crankcase heating control system of claim 17 wherein the power control module disables the heater of the crankcase when at least one of: (i) the current date is within a predetermined date range;(ii) the current time is within a predetermined daily time range;(iii) the current date and time is within a predetermined period input by a user; and(iv) the ambient temperature is greater than a second predetermined temperature.

이 특허에 인용된 특허 (39)

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Schwecke William (7092 Alert New London Rd. Okeana OH 45053), Apparatus and method for protecting a compressor in a heat pump.
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Perkins, David E.; Richey, Charles S., Circuits and methods for preheating a rotor of a motor-generator device.
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Yamashita Tetsuji (Yokohama JPX) Takahashi Yukinobu (Yokohama JPX), Compressor and method of detecting quantity of mixture of coolant and lubricant in the compressor.
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Erbs Daryl G. (Palermo NY), Compressor crankcase heater control.
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Pham, Hung, Compressor crankcase heating control systems and methods.
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Ramayya, George J., Compressor crankcase heating control systems and methods.
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Birdwell Gaylon W. (Houston TX), Explosion proof compressor and a method for explosion proofing a compressor.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Compressor crankcase heating control systems and methods 원문보기

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