ES2064330T3 - Metodo y aparato para el control de descongelacion bajo demanda. - Google Patents

Metodo y aparato para el control de descongelacion bajo demanda.

Info

Publication number
ES2064330T3
ES2064330T3 ES88110865T ES88110865T ES2064330T3 ES 2064330 T3 ES2064330 T3 ES 2064330T3 ES 88110865 T ES88110865 T ES 88110865T ES 88110865 T ES88110865 T ES 88110865T ES 2064330 T3 ES2064330 T3 ES 2064330T3
Authority
ES
Spain
Prior art keywords
temperature
controller
external
coil
pump
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES88110865T
Other languages
English (en)
Inventor
Lee A White
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ranco Inc of Delaware
Robertshaw US Holding Corp
Original Assignee
Ranco Inc of Delaware
Ranco Inc
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.)
Filing date
Publication date
Application filed by Ranco Inc of Delaware, Ranco Inc filed Critical Ranco Inc of Delaware
Application granted granted Critical
Publication of ES2064330T3 publication Critical patent/ES2064330T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/006—Defroster control with electronic control circuits
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031—Sensor arrangements
    • F25B2313/0315—Temperature sensors near the outdoor heat exchanger
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2106—Temperatures of fresh outdoor air

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)
  • Defrosting Systems (AREA)

Abstract

CONTROLADOR DE PETICION DE DESCONGELACION (30) DE UNA BOMBA DE CALOR (10). EL CONTROLADOR (30) COMPARA LA TEMPERATURA DE UN SERPENTIN EXTERIOR DE INTERCAMBIO DE CALOR (14) CON LA TEMPERATURA DE ACTIVACION. CUANDO LA TEMPERATURA DEL SERPENTIN ES MENOR QUE LA TEMPERATURA DE ACTIVACION, SE PONE EN FUNCIONAMIENTO UN TEMPORIZADOR. CUANDO ESTE DETECTA QUE EL COMPRESOR (20) ESTA FUNCIONANDO DURANTE UN PERIODO DE TIEMPO PREDETERMINADO, EL CONTROLADOR (30) COMPRUEBA LAS TEMPERATURAS EXTERIOR Y DEL SERPENTIN PARA DETERMINAR SI DEBE LLEVARSE A CABO UN CICLO DE DESESCARCHADO DE LA BOMBA DE CALOR (10). EL CICLO SE EFECTUA INVIRTIENDO LA CIRCULACION DE REFRIGERACION EN EL SISTEMA DE LA BOMBA DURANTE UN PERIODO PREDETERMINADO O HASTA QUE EL SERPENTIN DE INTERCAMBIO DE CALOR (14) EXTERIOR HA ALCANZADO UNA DETERMINADA TEMPERATURA.
ES88110865T 1987-07-17 1988-07-07 Metodo y aparato para el control de descongelacion bajo demanda. Expired - Lifetime ES2064330T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/074,907 US4882908A (en) 1987-07-17 1987-07-17 Demand defrost control method and apparatus

Publications (1)

Publication Number Publication Date
ES2064330T3 true ES2064330T3 (es) 1995-02-01

Family

ID=22122366

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88110865T Expired - Lifetime ES2064330T3 (es) 1987-07-17 1988-07-07 Metodo y aparato para el control de descongelacion bajo demanda.

Country Status (8)

Country Link
US (1) US4882908A (es)
EP (1) EP0299361B1 (es)
JP (1) JPS6463744A (es)
KR (1) KR890002622A (es)
CA (1) CA1325253C (es)
DE (1) DE3852524T2 (es)
ES (1) ES2064330T3 (es)
MX (1) MX173557B (es)

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Also Published As

Publication number Publication date
DE3852524T2 (de) 1995-05-24
EP0299361B1 (en) 1994-12-21
DE3852524D1 (de) 1995-02-02
EP0299361A3 (en) 1991-07-03
EP0299361A2 (en) 1989-01-18
US4882908A (en) 1989-11-28
MX173557B (es) 1994-03-16
CA1325253C (en) 1993-12-14
KR890002622A (ko) 1989-04-11
JPS6463744A (en) 1989-03-09

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