[특허]Chiller monitoring system

Chiller monitoring system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01K-013/00
출원번호	US-0662596 (1991-03-01)
발명자 / 주소	McMullin Larry D. (807 Arlington Rd. Park Hills KY 41001)
인용정보	피인용 횟수 : 75 인용 특허 : 0

초록 ▼

A method and apparatus for measuring and monitoring critical parameters of a chiller, such as the chiller efficiency. Specifically, temperature and pressure sensors are disposed in the inlet and outlet lines of a condenser and chiller unit. A sensor is also placed on the compressor motor for determining the amount of power being expended by the motor. The actual flow rate of the chilled water entering and leaving the chiller unit is calculated based upon the sensor inputs. The actual kilowatts per unit ton rating for the evaporator is determined. The design kilowatts per unit ton rating for the evaporator is corrected to take into account any variation between the actual motor voltage and design motor voltage, and the total temperature deviation. The chiller efficiency is then calculated based on these two kilowatt per ton ratings.

대표청구항 ▼

An apparatus for measuring and monitoring critical parameters including at least an operating efficiency of a chiller unit of the type having a compressor, a condenser, an evaporator, and a motor for driving said compressor, said condenser having an inlet line for receiving a supply of condenser water and an outlet line for discharging said supply of condenser water, said evaporator having an inlet line for receiving a supply of chilled water and an outlet line for discharging said supply of chilled water, comprising: first and second temperature sensors respectively disposed at said inlet and said outlet of said condenser for detecting and outputting condenser water entering and leaving temperatures (Tce) and (Tcl); third and fourth temperature sensors respectively disposed at said inlet and outlet of said evaporator for detecting and outputting chilled water entering and leaving temperatures (Tee) and (Tel); first and second pressure sensors respectively disposed at said inlet and outlet of said condenser for detecting and outputting condenser water entering and leaving pressures (Pce) and (Pcl); third and fourth pressure sensors respectively disposed at said inlet and outlet of said evaporator for detecting and outputting chilled water entering and leaving pressures (Pee) and (Pel): load sensor means for detecting and outputting a load of said motor; storage means for storing predetermined constant data; data processing means receiving said outputs of said first, second, third and fourth temperature sensors, said first, second, third and fourth pressure sensors, and said load sensor means for calculating at least the efficiency of said chiller in accordance with said outputs of said first, second, third and fourth temperature sensors, said first, second, third and fourth pressure sensors, and said load sensor means and said predetermined constant data; and display means for displaying at least the chiller operating efficiency, the condenser water entering and leaving temperatures, the chilled water entering and leaving temperatures, the condenser water entering and leaving pressures, the chilled water entering and leaving pressures, and compressor motor amperes.

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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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메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Chiller monitoring system 원문보기

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Chiller monitoring system 원문보기

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이 특허를 인용한 특허 (75)

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