Method and system for testing performance of refrigeration units

Details Method and system for testing performance of refrigeration units Method and system for testing performance of refrigeration units

1997-10-15

1998-10-20

Raevis, Robert

Measuring and testing

Inspecting

G01L 2500

Patent

active

058249214

ABSTRACT:
A method and an apparatus of the invention may evaluate the performance of an electric appliance by: providing within assembly lines a test line capable of operating the appliance in a simulation mode and measuring at least one physical quantity observable for the appliance in the simulation mode; automatically measuring the values of said physical quantity during said simulation mode a predetermined time after the start up of the simulation mode; and determining whether a currently measured value of the physical quantity falls within a first reference range having preset upper and lower limits until the number of the measurements reaches a first predetermined number, and, after the number of the measurements has reached said first predetermined number, whether the currently measured value falls within a second reference range which is calculated from a predetermined number of consecutive measurements that precede the current measurement. With this method, the manufacturing line may adequately incorporate a performance test line which may carry out required tests without interrupting assembly lines, thereby improving its production efficiency.

REFERENCES:
patent: 4510576 (1985-04-01), MacArthur et al.
patent: 5042265 (1991-08-01), Baldwin et al.
patent: 5469750 (1995-11-01), Lloyd et al.
patent: 5571978 (1996-11-01), Gysi et al.

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