Product performance test method and system

1. A product performance test method, comprising:

testing a specific heat capacity C of a heat storage material of a sample at a constant temperature phase and a temperature varying phase, testing a heat transfer coefficient K of the sample at the constant temperature phase and the temperature varying phase, testing energy efficiency ratios E of a refrigeration system of the sample at the constant temperature phase and a thermal load test phase, and testing a mass m of the heat storage material of the sample at the constant temperature phase, the thermal load test phase, and the temperature varying phase to detect a performance level of the sample,

wherein at the constant temperature phase and a temperature varying phase, a heat leakage amount of the sample is Q=tKSΔT, wherein t is a time of a heat exchange occurring between an interior and an exterior of a cavity of the sample;

K is the heat transfer coefficient of the sample;

S is a heat exchange area of the sample;

ΔT is an internal and external environmental temperature difference of the cavity of the sample; and the heat leakage amount of the sample at the temperature varying phase dynamically changes;

at the constant temperature phase and the thermal load test phase,

E

=

p

1

+

p

3

p

2

,

wherein P 1 is a power value of a resistive element in the sample; P 2 is an input power value of the sample; and P 3 is a heat leakage power value of the sample;

at the temperature varying phase, a heat storage amount of the sample is Q′=CmΔT′, wherein C is the specific heat capacity of the heat storage material in the sample;

m is the mass of the heat storage material in the sample; and

ΔT′ is an initial temperature difference of the heat storage material in the cavity; and

the sample is an environmental test equipment.