28-04-2023 дата публикации
Номер: CN116026098A
Принадлежит:
The invention discloses an oxygen concentration control system for a refrigerator and a control method of the oxygen concentration control system, and relates to the technical field of refrigeration. The oxygen concentration control system comprises a controller, a nitrogen making machine, a gas check valve, a concentration precise control module, a nitrogen making machine interface base and a fruit and vegetable storage bin, a pressure sensor is arranged in the fruit and vegetable storage bin, and the controller is connected with the nitrogen making machine, the gas check valve, the concentration precise control module and the pressure sensor. The nitrogen making machine is communicated with the nitrogen making machine interface base through the gas check valve and the concentration precision module in sequence, and the nitrogen making machine interface base is respectively communicated with the fruit and vegetable storage bin and external air. The controller detects the opening and closing ...
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