Refrigerator interior cooling distribution check

Need

Cold air spreads from the upper section and the shelves split the flow; a shelf corner can stay warm for a long time. Once the door opens the interior air warms quickly, and with it closed the interior cannot be seen; the distribution must be tracked both over time and across the volume.

Solution approach

The door stays closed during pull-down; the shelf probe grid tracks the distribution over time and logs every zone's curve. As the door opens at the end, the thermal camera images the wall and shelf surfaces: they warm more slowly than the air, so the map reflects the closed-door state. Each zone's final temperature is compared with the limit and the warmest zone is flagged with its position.

Process steps

1. 01

   Start

   The interior is at ambient temperature; probes are on the shelves and the door closes.

2. 02

   Pull-down

   Door closed: cold air spreads from the top and shelf temperatures are logged over time.

3. 03

   Heat map

   The door opens; the thermal camera maps the interior surfaces and the shelf zones are laid out.

4. 04

   Decide

   The final temperature of each zone is compared with the limit.