WO2004068614A3 - Integrated hvacr control and protection system - Google Patents

Integrated hvacr control and protection system Download PDF

Info

Publication number
WO2004068614A3
WO2004068614A3 PCT/US2004/001983 US2004001983W WO2004068614A3 WO 2004068614 A3 WO2004068614 A3 WO 2004068614A3 US 2004001983 W US2004001983 W US 2004001983W WO 2004068614 A3 WO2004068614 A3 WO 2004068614A3
Authority
WO
WIPO (PCT)
Prior art keywords
control
detection
hvacr
protection system
peripheral
Prior art date
Application number
PCT/US2004/001983
Other languages
French (fr)
Other versions
WO2004068614A2 (en
Inventor
Lee W Marriott
Arnold G Wyatt
Alex Alvey
Robert Terry
Kent Herrick
John Pasko
Rachel E Weingrad
Original Assignee
Tecumseh Products Co
Lee W Marriott
Arnold G Wyatt
Alex Alvey
Robert Terry
Kent Herrick
John Pasko
Rachel E Weingrad
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 Tecumseh Products Co, Lee W Marriott, Arnold G Wyatt, Alex Alvey, Robert Terry, Kent Herrick, John Pasko, Rachel E Weingrad filed Critical Tecumseh Products Co
Publication of WO2004068614A2 publication Critical patent/WO2004068614A2/en
Publication of WO2004068614A3 publication Critical patent/WO2004068614A3/en

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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
    • 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
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • 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
    • 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
    • F25B2700/15—Power, e.g. by voltage or current
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2642—Domotique, domestic, home control, automation, smart house

Abstract

An integrated HVACR control and protection system (10) includes a modular and reprogrammable design providing a plurality of possible combinations of power detection, voltage detection, run current detection, transient current detection, temperature detection, universal thermostat interface, peripheral or remote control, and local display and control. The control and protection system is capable of evaluating the relationship between real power used by an HVACR system compressor (230, 330, 430) and other system operating parameters to detect problems early in the failure cycle, i.e., before a failure has progressed to requiring a system shutdown or causing damage. Additionally, a control system (10) and method (500) provide sensorless detection of various HVACR system faults, such as, loss of refrigerant or a refrigerant flow restriction, that impact the relationship between real power and current, voltage, temperature, or other operating parameters. Peripheral or remote control (160, 170) includes wireless system monitoring and parameter programming using.
PCT/US2004/001983 2003-01-24 2004-01-23 Integrated hvacr control and protection system WO2004068614A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44265503P 2003-01-24 2003-01-24
US60/442,655 2003-01-24

Publications (2)

Publication Number Publication Date
WO2004068614A2 WO2004068614A2 (en) 2004-08-12
WO2004068614A3 true WO2004068614A3 (en) 2005-02-03

Family

ID=32825246

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/001983 WO2004068614A2 (en) 2003-01-24 2004-01-23 Integrated hvacr control and protection system

Country Status (2)

Country Link
US (1) US7089088B2 (en)
WO (1) WO2004068614A2 (en)

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