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AIR VOLUME ADJUSTMENT DEVICE FOR REFRIGERATOR

  • US 20190323757A1
  • Filed: 12/21/2017
  • Published: 10/24/2019
  • Est. Priority Date: 12/22/2016
  • Status: Active Grant
First Claim
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1. An air volume adjustment device for a refrigerator, wherein the refrigerator comprises a refrigerator body, a compressor and an evaporator, wherein:

  • a first compartment and a second compartment are defined in the refrigerator body;

    a first air inlet cavity communicated with the first compartment and a second air inlet cavity communicated with the second compartment are disposed behind the first compartment and the second compartment respectively;

    the compressor is disposed on the bottom of the refrigerator body;

    the evaporator is disposed in an evaporator cavity of the refrigerator body and is capable of supplying cold to the first compartment and the second compartment;

    the air volume adjustment device is disposed behind the first compartment and the second compartment, and comprises a fan and a baffle;

    the baffle is disposed between the first air inlet cavity and the second air inlet cavity;

    the fan is capable of introducing cold air from the evaporator into the first air inlet cavity and the second air inlet cavity;

    the baffle is capable of moving among a plurality of positions to adjust the volume of air entering the first air inlet cavity and the second air inlet cavity;

    the refrigerator further comprises a controller connected to the compressor and the air volume adjustment device; and

    the air volume adjustment device is characterized by further comprising an operating knob and a potentiometer which are connected to the front side and the rear side of the baffle respectively;

    the operating knob is disposed inside one of the first compartment and the second compartment;

    the potentiometer is connected to the controller;

    the operating knob operably drives the baffle to move;

    the potentiometer transmits an electrical signal corresponding to a position of the baffle to the controller; and

    the controller controls a rotational speed of the fan or controls the compressor to be started up or shut down.

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