Abstract: A refrigerator with a freezing storage device, including: a cabinet provided therein with a storage compartment for achieving a freezing storage function; and the freezing storage device arranged in the storage compartment and including: a storage box having a freezing storage space defined therein; a storage detection device provided in the storage box and configured to detect a state of stored food in the freezing storage space; and a plurality of groups of electromagnetic coils transversely arranged outside the storage box in parallel and configured to determine a corresponding magnetic field application mode according to the state of the stored food, the magnetic field application mode including: stopping of generation of the magnetic field, starting of part of the plural groups of electromagnetic coils, and complete starting of the plural groups of electromagnetic coils.

Abstract: A refrigerator with a freezing storage assembly, comprising: a cabinet provided therein with a storage compartment for achieving a freezing storage function; the freezing storage assembly arranged in the storage compartment and comprising: a magnetic frame made of a magnetic material; and a storage box provided in a space enclosed by the magnetic frame and defining a freezing storage space; and a plurality of groups of electromagnetic coils arranged on an inner surface of the magnetic frame and configured to form magnetic fields with magnetic pole directions at a set angle in the freezing storage space, the magnetic fields passing through the magnetic frame to complete closed loops of magnetic lines.

Abstract: Disclosed are a microfluidic detection system, a control method therefor, and a refrigerator. The microfluidic detection system comprises a microfluidic biochip, a sample liquid driving apparatus, and a detection mechanism. The microfluidic biochip is provided with a sample inlet, a communication port, and a detection pool. The control method comprises: driving a sample liquid with the sample liquid driving apparatus to flow into the detection pool; detecting the detection pool with the detection mechanism, and controlling the sample liquid driving apparatus to periodically and repeatedly execute a first liquid pushing and drawing operation which comprises a first liquid pushing action for prompting the sample liquid to flow towards the sample inlet, and a first liquid drawing action for prompting the sample liquid to flow towards the detection pool.

Abstract: Provided are a microfluidic detection system for a refrigerator and the refrigerator. The microfluidic detection system comprises: a microfluidic biochip that has a sample inlet, a detection pool and a communication port, all of which communicate in sequence by means of a microfluidic channel; a sample liquid driving device in sealed communication with the communication port by means of a sealed docking mechanism; and a detection mechanism for detecting the detection cell to obtain preset detection parameters of a sample liquid. The communication port is fixedly provided with a plug pin-having an internal flow channel in sealed communication with the communication port, the plug pin is inserted into and forms a fluid-tight connection with the sealed docking mechanism, and the sealed docking mechanism is in fluid-tight connection with the sample liquid driving device, so that the sample liquid driving device is in sealed communication with the communication port.

Abstract: Disclosed are a microfluidic testing system and control method, and a refrigerator. The microfluidic testing system comprises a microfluidic biochip, a sample stage for placing a sample cup, and a lifting mechanism for driving the sample stage to move. The microfluidic biochip is provided with a sample inlet for receiving a sample liquid. The control method comprises: starting a lifting mechanism when a sample cup holding a sample liquid is placed on a sample stage, and controlling the lifting mechanism to move the sample stage from an initial position to a testing position where the sample liquid in the sample cup comes into contact with a sample inlet, thereby realizing sample loading of the microfluidic biochip.

Abstract: A refrigerator, comprising: a refrigerator body internally defining a storage space for storing articles, a door connected to the refrigerator body and used for opening and/or closing the storage space, and a microfluidic detection system which is provided on the door and comprises: a microfluidic biochip having a sample inlet, a communication port, and a detection pool formed in the microfluidic biochip, the sample inlet, the detection pool, and the communication port being connected in sequence by means of a microfluidic channel to allow a sample fluid in contact with the sample inlet to enter the microfluidic channel and flow into the detection pool by means of the microfluidic channel; and a detection mechanism used for detecting the detection pool after the sample fluid in the detection pool reacts with a detection reagent in the detection pool to obtain a preset detection parameter of the sample fluid.

Abstract: The present invention provides a refrigerator and a control method thereof; the refrigerator includes: a constant temperature compartment, a cooling unit for cooling the constant temperature compartment, at least one tray located in the constant temperature compartment, a compartment temperature sensor for detecting a temperature in the constant temperature compartment, a tray temperature sensor for detecting a temperature of the tray, and a controller, and the cooling unit, the compartment temperature sensor and the tray temperature sensor are all communicatively connected with the controller.

Abstract: A refrigerator, comprising: a refrigerator body internally defining a storage space for storing articles, a door connected to the refrigerator body and used for opening and/or closing the storage space, and a microfluidic detection system which is provided on the door and comprises: a microfluidic biochip having a sample inlet, a communication port, and a detection pool formed in the microfluidic biochip, the sample inlet, the detection pool, and the communication port being connected in sequence by means of a microfluidic channel to allow a sample fluid in contact with the sample inlet to enter the microfluidic channel and flow into the detection pool by means of the microfluidic channel; and a detection mechanism used for detecting the detection pool after the sample fluid in the detection pool reacts with a detection reagent in the detection pool to obtain a preset detection parameter of the sample fluid.

Abstract: A method for detecting whether an article with an abnormal temperature is placed in a refrigerator. The method includes: controlling a plurality of infrared sensors to collect temperature values after a door body is opened; determining whether an abnormal storage space in which the article with the abnormal temperature is possibly placed exists in a plurality of storage spaces; acquiring a first temperature change value of the abnormal storage space between time points before and after the article with the abnormal temperature is possibly placed in the abnormal storage space and a second temperature change value of the abnormal storage space caused by heat exchange between an external environment and the abnormal storage space between said time points; and determining whether the article with the abnormal temperature is placed in the abnormal storage space according to the first temperature change value and the second temperature change value.

Abstract: A method for detecting whether an article with an abnormal temperature is placed in a refrigerator. The method includes: controlling a plurality of infrared sensors to collect temperature values after a door body is opened; determining whether an abnormal storage space in which the article with the abnormal temperature is possibly placed exists in a plurality of storage spaces; acquiring a first temperature change value of the abnormal storage space between time points before and after the article with the abnormal temperature is possibly placed in the abnormal storage space and a second temperature change value of the abnormal storage space caused by heat exchange between an external environment and the abnormal storage space between said time points; and determining whether the article with the abnormal temperature is placed in the abnormal storage space according to the first temperature change value and the second temperature change value.