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: A refrigerator, comprising a microfluidic testing system used for qualitatively or quantitatively testing a preset test parameter of a sample liquid. The microfluidic testing system comprises: a microfluidic biochip which is provided with a sample inlet, a communication port and a testing pool formed inside the microfluidic biochip, wherein the sample inlet, the testing pool and the communication port are in sequential communication by means of a micro-channel; a chip mounting mechanism used for mounting the microfluidic biochip; a sample liquid driving device in hermetic communication with the communication port, so as to promote the sample liquid in contact with the sample inlet to flow into the micro-channel and flow to the testing pool via the micro-channel; and a testing mechanism which is used for testing the testing pool to obtain the preset test parameter of the sample liquid.

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: 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 refrigerator, comprising a microfluidic testing system used for qualitatively or quantitatively testing a preset test parameter of a sample liquid. The microfluidic testing system comprises: a microfluidic biochip which is provided with a sample inlet, a communication port and a testing pool formed inside the microfluidic biochip, wherein the sample inlet, the testing pool and the communication port are in sequential communication by means of a micro-channel; a chip mounting mechanism used for mounting the microfluidic biochip; a sample liquid driving device in hermetic communication with the communication port, so as to promote the sample liquid in contact with the sample inlet to flow into the micro-channel and flow to the testing pool via the micro-channel; and a testing mechanism which is used for testing the testing pool to obtain the preset test parameter of the sample liquid.

Abstract: A control method for a heating device and a heating device are provided. The heating device includes an electromagnetic wave generation module configured to generate an electromagnetic wave signal for heating an object to be processed. The control method includes: determining or obtaining attribute information of the object to be processed, the attribute information at least including food groups, and each of the food groups including at least one food variety; determining operating power and/or operating time of the electromagnetic wave generation module according to the attribute information; and controlling the electromagnetic wave generation module to operate according to the operating power and/or the operating time. Uneven heating and local overheating caused by different contents of substances in foods of different varieties are reduced as compared with using a fixed operating parameter.

Abstract: The present invitation provides a rotatable storage rack, including a drawer, a storage rack body for slidingly receiving the drawer, and a sliding assembly disposed between the drawer and the storage rack body; wherein the sliding assembly includes a curved slide rail and a first pulley moving along the curved slide rail, the curved slide rail includes a horizontal section and a bent section, and the bent section is tangent to the horizontal section and arranged at an angle; when the first pulley moves along the horizontal section, the drawer is pulled out when the first pulley moves along the bent section, the drawer rotates downward.

Abstract: A refrigerator comprises a refrigerator body, an air-conditioning membrane assembly and an air pump assembly. The refrigerator body defines a storage space and a compressor chamber therein, a storage container is arranged in the storage space, and a freshness-keeping space is defined inside the storage container. The air-conditioning membrane assembly is configured to allow more oxygen than nitrogen in airflow in a surrounding space of the air-conditioning membrane assembly to pass through the air-conditioning membrane and enter an oxygen-rich gas collection chamber. An inlet end of the air pump is communicated with the oxygen-rich gas collection chamber in a controlled manner via a pipeline and a pipeline switching mechanism, for pumping gas in the oxygen-rich gas collection chamber to the outside of the freshness-keeping space, such that the actual content of oxygen in the freshness-keeping space is in a range of 2% to 19%.

Abstract: The present invention provides a refrigeration and freezing device, including a case body, a door body, an oxygen-enrichment membrane assembly, an air pump, and a refrigeration system. For the refrigeration and freezing device, temperature within an appropriate storage range and a nitrogen-rich and oxygen-deficient atmosphere cooperate, thereby effectively extending the shelf life of foods.

Abstract: A drawer assembly includes: drawers, arranged in a storage compartment of the refrigerator in a way of being capable of being pushed and pulled forward and rearward between a front extreme position and a rear extreme position; and two support assemblies in left-right parallel arrangement. Each of the support assemblies includes a support frame. The support frame is fixed to an inner wall of the storage compartment, is provided on an inner side with a first slideway extending forward and rearward, and is provided on a rear portion of the inner side with an elastic tongue. A left sidewall and a right sidewall of the drawer are respectively mounted on the first sideway of the support frame of one of the support assemblies in a forward and rearward slidable way.

Abstract: A refrigerator comprises a refrigerator body, an air-conditioning membrane assembly and an air pump assembly. The refrigerator body defines a storage space and a compressor chamber therein, a storage container is arranged in the storage space, and a freshness-keeping space is defined inside the storage container. The air-conditioning membrane assembly is provided with at least one air-conditioning membrane and an oxygen-rich gas collection chamber and configured to allow more oxygen than nitrogen in airflow in a surrounding space of the air-conditioning membrane assembly to pass through the air-conditioning membrane and enter the oxygen-rich gas collection chamber. An air pump pumps gas in the oxygen-rich gas collection chamber to the outside of the freshness-keeping space, such that a ratio of the content of nitrogen in the freshness-keeping space to the content of oxygen in the freshness-keeping space is greater than 78/21.

Abstract: Provided is a refrigerating and freezing device. The refrigerating and freezing device comprises a cabinet body with a first storage space defined therein, an oxygen-enriched membrane assembly and an air extraction device. A storage container in which an atmosphere-controlled freshness-keeping space is formed is disposed in the first storage space. The oxygen-enriched membrane assembly is provided with at least one oxygen-enriched membrane and an oxygen-enriched gas collection chamber. The air extraction device is communicated with the oxygen-enriched gas collection chamber through a pipeline to extract and discharge the gas that permeates into the oxygen-enriched gas collection chamber out of the storage container. The refrigerating and freezing device not only has good freshness-keeping performance, but also has relatively low requirements on the rigidity and strength of the storage container. Besides, it is small in size and low in noise, and it is suitable for household and individual use.

Abstract: The present invention provides a refrigerator, comprising: an adsorption container, an air compressor and a nitrogen storage tank. A sealed storage space is formed in a storage compartment of the refrigerator. The adsorption container with carbon molecular sieves disposed therein is disposed in the storage compartment. The air compressor is directly connected to the adsorption container through an air inlet pipe and configured to supply compressed air for the adsorption container in a controlled manner so as to allow the carbon molecular sieves to prepare nitrogen by means of the compressed air. A gas inlet end of the nitrogen storage tank is connected to the adsorption container, and a gas outlet end thereof is communicated with the storage space.

Abstract: The present invention provides a refrigerating and freezing device. A first sealed space and a second sealed space are disposed in a storage space inside the refrigerating and freezing device. The refrigerating and freezing device is further provided with a nitrogen generation device, which comprises an adsorption device and an air compressor that supplies compressed air for the adsorption device. The adsorption device utilizes the compressed air to prepare nitrogen that is provided for the first sealed space and an oxygen-enriched gas that is provided for the second sealed space. The freshness preservation capability of the first sealed space is improved. The bioactivity of food in the second sealed space is guaranteed.

Abstract: A drawer assembly includes: drawers, arranged in a storage compartment of the refrigerator in a way of being capable of being pushed and pulled forward and rearward between a front extreme position and a rear extreme position; and two support assemblies in left-right parallel arrangement. Each of the support assemblies includes a support frame. The support frame is fixed to an inner wall of the storage compartment, is provided on an inner side with a first slideway extending forward and rearward, and is provided on a rear portion of the inner side with an elastic tongue. A left sidewall and a right sidewall of the drawer are respectively mounted on the first sideway of the support frame of one of the support assemblies in a forward and rearward slidable way.

Abstract: The present invitation provides a rotatable storage rack, including a drawer, a storage rack body for slidingly receiving the drawer, and a sliding assembly disposed between the drawer and the storage rack body; wherein the sliding assembly includes a curved slide rail and a first pulley moving along the curved slide rail, the curved slide rail includes a horizontal section and a bent section, and the bent section is tangent to the horizontal section and arranged at an angle; when the first pulley moves along the horizontal section, the drawer is pulled out when the first pulley moves along the bent section, the drawer rotates downward.