KR870003452A - 진단 시스템 - Google Patents

진단 시스템 Download PDF

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Publication number
KR870003452A
KR870003452A KR1019860007789A KR860007789A KR870003452A KR 870003452 A KR870003452 A KR 870003452A KR 1019860007789 A KR1019860007789 A KR 1019860007789A KR 860007789 A KR860007789 A KR 860007789A KR 870003452 A KR870003452 A KR 870003452A
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KR
South Korea
Prior art keywords
diagnostic system
computing means
detector
pressure
condenser
Prior art date
Application number
KR1019860007789A
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English (en)
Other versions
KR950007284B1 (ko
Inventor
씨. 한슨 죤
비. 진더 해롤드
에이. 죤슨 로이드
Original Assignee
제이. 알. 월쉬
요크 인터내셔널 코오포레이션
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 제이. 알. 월쉬, 요크 인터내셔널 코오포레이션 filed Critical 제이. 알. 월쉬
Publication of KR870003452A publication Critical patent/KR870003452A/ko
Application granted granted Critical
Publication of KR950007284B1 publication Critical patent/KR950007284B1/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric

Abstract

내용 없음

Description

진단 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 냉각시스템, 특히 본 발명의 한 실시예에 따라 구성된 진단시스템을 갖고 잇는 공기 조절시스템을 도시하는 블럭 다이어그램.
제2도는 진단시스템을 동작시키는데 발생하는 동작 및 결정의 논리 순서를 도시한 흐름도.
* 도면의 주요부분에 대한 부호의 설명
12:압축기 13:응축기 15:팽창소자 17:기화기 18,19:압력감지기 24:마이크로 컴퓨터 27:멀티플렉서 28:A/D변환기 29:디코더 31:래치 32:랜덤 액세스 메모리 34:디스플레이 드라이버 35:디스플레이

Claims (9)

  1. 응축기 및 기화기를 구비한 냉각회로와 제1 및 제2 감지기에 의해 감지되는 제1 및 제2동작 변수를 각각 갖고 있는 냉각 시스템에서, 냉각제는 응축기와 기화기를 통하여 흐르고, 상기 변수는 서로에 관하여 선정된 관계를 갖고 있는 결과로 감지기 출력 또한 감지기가 정상적으로 기능할 때 서로에 관해 선정된 관계를 가지며, 감지기중 하나가 결점이 있을 때 그것을 검출하는 진단시스템이 제1 감지기의 출력으로 부터 제1 변수를 나타내는 제1 신호를 발생시키는 수단과, 제2 감지기의 출력으로부터 제2 변수를 나타내는 제2 신호를 발생시키는 수단과, 상기 제1 및 제2 신호로부터 불가능한 관계가 감지기 출력 사이에 또한 제1 및 제2 변수 사이에 존재하는지를 결정하여, 감지기중 적어도 하나의 출력이 에라상태에 있고 그 감지기는 고장이라는 것을 지시해주는 컴퓨팅 수단과, 상기 컴퓨팅 수단에 의해 제어되어, 결점있는 감지기가 검출될 때 조작자에게 경보메시지를 제공하는 경보수단을 포함하는 것을 특징으로 하는 진단시스템.
  2. 제1항에 있어서, 감지된 동작변수들은 냉각회로를 통하여 흐르는 냉각제의 다른 특성들인 것을 특징으로 하는 진단 시스템.
  3. 제1항에 있어서, 상기 컴퓨팅 수단의 동작이 냉각시스템에 전력이 들어온 다음 프리셋트 시간 주기동안 지연되어, 제1 및 제2 동작 변수가 안정화되는 것을 특징으로 하는 진단 시스템.
  4. 제1항에 있어서, 상기 경보수단이 결점있는 감지기가 발견될 때 가시적인 디스플레이를 제공하는 것을 특징으로 하는 진단 시스템.
  5. 제1항에 있어서, 상기 컴퓨팅 수단이 마이크로 컴퓨터를 구비하는 것을 특징으로 하는 진단 시스템.
  6. 제1항에 있어서, 상기 컴퓨팅 수단이 불가능 조건이 발생하는지를 결정하는데 상기 제1 및 제2신호를 비교하는 것을 특징으로 하는 진단 시스템.
  7. 제1항에 있어서, 상기 컴퓨팅 수단이 불가능상태가 제1 및 제2 변수 사이에 존재하는지를 결정하기 위하여 상기 제1 신호로 부터 상기 제2 신호를 감산하는 것을 특징으로 하는 진단 시스템.
  8. 제1항에 있어서, 제1 감지기는 상기 제1 신호가 응축기 압력을 나타내도록 응축기내의 냉각제의 압력을 감지하고, 제2 감지기는 상기 제2 신호가 기화기 압력을 나타내도록 기화기내의 냉각제의 압력을 감지하는 것을 특징으로 하는 진단 시스템.
  9. 제8항에 있어서, 상기 컴퓨팅 수단은 응축기 압력으로부터 기화기 압력을 감산하여, 그 결과가 같거나 또는 0에 관하여 네가티브라면 냉각시스템의 임의 동작상태에 불가능 관계가 있는 것이므로, 결점있는 감지기가 발견되면, 컴퓨팅 수단에 의해 상기 경보수단이 작동되어, 경보메시지가 발생되는 것을 특징으로 하는 진단시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860007789A 1985-09-18 1986-09-16 냉각 시스템에서 결함있는 감지기를 검출하는 진단 시스템 KR950007284B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US?????777,384 1985-09-18
US06/777,384 US4653280A (en) 1985-09-18 1985-09-18 Diagnostic system for detecting faulty sensors in a refrigeration system
US777,384 1985-09-18

Publications (2)

Publication Number Publication Date
KR870003452A true KR870003452A (ko) 1987-04-17
KR950007284B1 KR950007284B1 (ko) 1995-07-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860007789A KR950007284B1 (ko) 1985-09-18 1986-09-16 냉각 시스템에서 결함있는 감지기를 검출하는 진단 시스템

Country Status (8)

Country Link
US (1) US4653280A (ko)
EP (1) EP0217558B1 (ko)
JP (1) JP2516601B2 (ko)
KR (1) KR950007284B1 (ko)
AU (1) AU578206B2 (ko)
CA (1) CA1267462A (ko)
DE (1) DE3679268D1 (ko)
MX (1) MX164853B (ko)

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Also Published As

Publication number Publication date
AU578206B2 (en) 1988-10-13
AU6271186A (en) 1987-03-19
JPS62112976A (ja) 1987-05-23
DE3679268D1 (de) 1991-06-20
US4653280A (en) 1987-03-31
MX164853B (es) 1992-09-29
EP0217558B1 (en) 1991-05-15
JP2516601B2 (ja) 1996-07-24
EP0217558A3 (en) 1988-04-27
CA1267462A (en) 1990-04-03
EP0217558A2 (en) 1987-04-08
KR950007284B1 (ko) 1995-07-07

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