Abstract: A refrigeration device having a magnetic field freshness-preserving apparatus, includes a cabinet defining a storage chamber, a back part of the storage chamber having a refrigeration air duct; and a magnetic field freshness-preserving apparatus having a magnetic field component used to apply a magnetic field to a freshness-preserving space inside the storage chamber. The magnetic field freshness-preserving apparatus includes a barrel body, an air intake port and an air return port in communication with the refrigeration air duct; and a drawer defining a freshness-preserving space. The magnetic field freshness-preserving unit is configured to form a surrounding air duct that allows airflow to flow from the air inlet port sequentially through a top wall of the barrel body, a front baffle of the drawer, and a space below a bottom plate of the drawer, and back to the air return port, so as to refrigerate the freshness-preserving space.

Abstract: Disclosed are a narrow gap laser-TIG arc hybrid welding apparatus and method. The welding apparatus includes a welding gun body, a swing welding gun assembly, a welding wire feeding and heating assembly, and a gas conveying assembly; the swing welding gun assembly includes a welding gun rotating shaft, a stepper motor, a large gear, a pinion, an upper insulating sleeve, a lower insulating sleeve, a tungsten electrode clamp, and a tungsten electrode; the stepper motor is mounted on a motor connection seat; the pinion is mounted on the output shaft of the stepper motor; the large gear is mounted on the welding gun rotating shaft; the pinion is engaged with the large gear; the welding gun rotating shaft is mounted and positioned on the welding gun body; the tungsten electrode is mounted at the tail end of the welding gun rotating shaft by means of the tungsten electrode clamp.

Abstract: A fresh-keeping storage container for a refrigerator, and a refrigerator. The fresh-keeping storage container includes a storage box provided internally with a storage space for placing stored objects; and one or more magnetic field generating components, each magnetic field generating component being configured to be in the shape of a flat plate and arranged at a side wall of the storage box, the magnetic field generating component being used for generating a magnetic field acting on the storage space, and the magnetic field strength range of the magnetic field is 1-200 Gs.

Abstract: A magnetic field fresh-keeping apparatus capable of preventing direct blowing of cold air, applied to an air-cooled refrigeration device. The magnetic field fresh-keeping apparatus includes a drawer container, a drawer, a magnetic field assembly, an air inlet duct assembly, and an air return opening. An opening is provided at the front side of the drawer container; the drawer is slidably mounted in the drawer container; the magnetic field assembly is configured to provide a magnetic field to a stored item in the drawer; the air inlet duct assembly is configured to enable cold air to first cool the magnetic field assembly, and then enter the drawer container in a manner of not directly blowing the stored item; the air return opening is formed on the drawer container for discharging the air in the drawer container.

Abstract: A refrigerator with a reserved installation space arranged in a bottom heat dissipation compartment includes a cabinet with a heat dissipation compartment set at its rear bottom; a compressor, a duct assembly, and an evaporating tray sequentially arranged within the heat dissipation compartment along a horizontal direction of the cabinet, and the heat dissipation compartment reserves an installation space on one side away from the duct assembly relative to the evaporating tray, the installation space is equipped with one or more mating structures, each of which is used to install an auxiliary functional component. This design optimizes the layout of devices within the confined space of the heat dissipation compartment to fulfill the purpose of reserving installation space. This provides installation space for expanding the functionality of different refrigerator models, enhancing product competitiveness and saving development costs.

Abstract: Provided are an installation foot and a refrigerator having same, the installation foot including: a support base, a part of which forms a support platform; a roller wheel, rollably disposed below the support platform; a first adjustment portion, provided with a first screw rod and a first adjustment rotary disc, the first screw rod being rotatably disposed on the support platform, and the first adjustment rotary disc being fixedly connected to the first screw rod or integrated with the first screw rod to drive the first screw rod to rotate; and a second adjustment portion, provided with a second screw rod and a second adjustment rotary disc, the second screw rod being rotatably disposed on the support platform, and the second adjustment rotary disc being fixedly connected to the second screw rod or integrated with the second screw rod to drive the second screw rod to rotate.

Abstract: A refrigerator having an inclined drain pipe disposed at a lower portion of the refrigerator comprises: a cabinet; a storage chamber, a refrigeration cavity, a heat dissipation machine compartment, and a front wall of the heat dissipation machine compartment extends obliquely upwards from front to back from the middle of a cabinet bottom plate; an evaporation dish; a drain pipe extends obliquely downwards from front to back from the bottom of the refrigeration cavity, passes through the front wall of the heat dissipation machine compartment and then further extends to the evaporation dish; a water pipe securing member is arranged at the position where the drain pipe passes through the front wall; the water pipe securing member has a first securing face, and the first securing face is abutting the front wall of the heat dissipation machine compartment.

Abstract: A microfluidic control detection system and refrigerator, where the system comprises: a microfluidic biochip with an inlet, a suction port, and a detection pool formed inside, interconnected sequentially through microchannels, with the suction port located on a side surface parallel to width and length directions of the microfluidic biochip; a sample liquid driving device, configured to communicate with the suction port of the microfluidic biochip via a sealing connector once the biochip is in its installed position; a pressing mechanism, configured to apply pressure perpendicular to the side surface to the sealing connector after the microfluidic biochip is placed in its position, to form a fluidic seal connection between the sealing connector and the suction port; and a detection mechanism for detecting the detection pool to obtain preset detection parameters of the sample liquid.

Abstract: A refrigerator with a bottom-arranged heat dissipation compartment, comprising: a refrigerator body, a fixing support, a heat dissipation fan, and a condenser.

Abstract: A microfluidic control detection system for a refrigerator and a refrigerator. The microfluidic control detection system includes: a microfluidic biochip with an inlet, a suction port, and a detection pool formed inside, which are sequentially interconnected through microchannels; a weighing platform, fixedly set on a support frame; a buffer solution driving device, configured to deliver a predetermined amount of buffer solution matching the weight of the sample to the sample cup; a bracket, configured to move in a controlled manner or an operable manner, driving the sample cup to move to a highest position where the sample liquid in the sample cup can contact the inlet of the microfluidic biochip; and a detection mechanism, configured to detect the detection pool to obtain predetermined detection parameters of the sample liquid, offering high detection accuracy.

Abstract: The present invention discloses a control system and a control method of a refrigerator. The control system comprises a collection unit and a fan control unit, and the fan control unit controls a heat dissipation fan to operate at different rotation speeds according to a power-on signal of the refrigerator, a closing signal and an opening signal of the first air port collected by the collection unit. The present invention solves the problem that the hot air discharged out of the compressor compartment blends with cold air and re-enters the compressor compartment, and the problem of poor heat dissipation of the refrigerator when the refrigerator is embedded in the cupboard.

Abstract: A magnetic field freshness-preserving storage container (200) and a refrigerator (10). The magnetic field freshness-preserving storage container (200) comprises: a storage assembly (210), in which a storage space for holding a stored object is defined; and one or more magnetic field assemblies (201) respectively sleeved on the periphery of the storage assembly (210). Each magnetic field assembly (201) comprises: one or more magnetic components (220) arranged on an outer side of the storage assembly (210) and used to form a magnetic field in the storage space; and an annular magnetically conductive component (230), which comprises uniform magnetization plates (231) arranged corresponding to the magnetic components (220), and connecting straps (232) connected to the uniform magnetization plates (231) and arranged around the periphery of the storage assembly (210), the uniform magnetization plates (231) and the connecting straps (232) forming an annular magnetic conduction path outside the storage space.

Abstract: An air cooling-type refrigeration device includes a device body, an air cooling system attached to the device body, and a drawer which may be pulled out relative to the device body, the drawer being capable of receiving cold air provided by the air cooling system, so as to cool an object stored in the drawer. The air cooling-type refrigeration device further comprises a magnetic field generating apparatus and a detection apparatus. When the magnetic field generating apparatus is powered on, a magnetic field acting on the object stored in the drawer is generated. The detection apparatus is used to detect whether the drawer is pulled out. The magnetic field generating apparatus and the detection apparatus are configured such that the magnetic field generating apparatus is powered off when the detection apparatus detects that the drawer is pulled out.

Abstract: A vacuum adiabatic body and a refrigerator having the vacuum adiabatic body. The vacuum adiabatic body comprises: a first plate, the first plate having a first thickness; a second plate spaced apart from the first plate in an opposite manner, the second plate having a second thickness, and the first thickness being greater than the second thickness; and sealing members arranged between the first plate and the second plate and configured to seal and fix the first plate and the second plate, a vacuum cavity being defined among the first plate, the second plate, and the sealing members. According to the vacuum adiabatic body, convection heat transfer can be reduced by vacuumizing between two plates which are sealingly connected; and the whole vacuum insulation body is stable in structure and not too heavy.

Abstract: A magnetic field freshness-preserving storage container and a refrigerator. The magnetic field freshness-preserving storage container includes a storage box, two uniform magnetization plates, and two sets of electromagnetic components. Each set of electromagnetic components is arranged corresponding to one uniform magnetization plate and forms an electromagnetic field after being electrified. The magnetic field distribution of the electromagnetic field can be changed by means of the uniform magnetization plates, such that the electromagnetic field is distributed more uniformly in the storage space. Since the electromagnetic field is distributed more uniformly in the storage space, stored objects can have the same storage quality. In addition, the uniform magnetization plates can save on the consumption of magnetic materials.

Abstract: A magnetic field-based fresh-keeping storage container and a refrigerator. The magnetic field-based fresh-keeping storage container comprises: a storage assembly; a magnet assembly comprising a first magnet component and a second magnet component respectively disposed on a group of opposite sides of the storage assembly; and a magnetically conductive assembly having a first magnetically conductive member corresponding to the first magnet component, a second magnetically conductive member corresponding to the second magnet component, and a magnetically conductive connection member connected between the first magnetically conductive member and the second magnetically conductive member, the first magnetically conductive member, the second magnetically conductive member, and the magnetically conductive connection member forming an annular magnetically conductive path outside the storage space.

Abstract: A magnetic field fresh-keeping apparatus and an air-cooled refrigeration device. The magnetic field fresh-keeping apparatus comprises a drawer container, a drawer, a magnet assembly, and a waterproof structure. The front side of the drawer container has an opening. The drawer is slidably mounted within the drawer container. The magnet assembly comprises a first magnet and a second magnet disposed on opposite sides of the drawer container. The magnet mounting cavity comprises a first mounting cavity for accommodating the first magnet and a second mounting cavity for accommodating the second magnet, and the first mounting cavity and the second mounting cavity are both configured to allow an airflow to pass through so as to cool the first magnet and the second magnet. The waterproof structure is configured to waterproof the magnet assembly.

Abstract: Provided is a refrigerating and freezing device, including: a storage compartment partitioned into a plurality of first spaces; an air channel system having a plurality of first air supply outlets, a main return air outlet and an on-off control device; and a plurality of drawers, wherein each drawer is mounted in one of the first spaces, each drawer has an air inlet and a return air outlet, each air inlet is communicated with one of the first air supply outlets, and each return air outlet is communicated with the main return air outlet; and the on-off control device is configured to control air flow to one or more of the plurality of first air supply outlets, and then control all or part of the air flow to flow to the corresponding drawers.

Abstract: An installation device for a built-in refrigerator, comprising: a fixing frame, provided on a bottom plate of a refrigerator in a front-back extension direction of the refrigerator; and at least one guide block, disposed on the fixing frame, the bottom of the guide block being provided with a groove parallel to the front-back extension direction of the refrigerator, and the groove being configured to match a guide rail portion pre-installed on the ground where an installation space is located, to limit the refrigerator to move in the front-back direction, so that the refrigerator can move backward along a preset path to reach an installation position.

Abstract: The present invention discloses a refrigerator, comprising a compressor compartment disposed in its lower rear portion thereof, wherein the back plate of the compressor compartment has a first air port and a second air port, and the bottom plate is provided with a third air port. The refrigerator further comprises a baffle movably disposed at the first air port to open or close the first air port. The baffle may prevent the hot air discharged from the compressor compartment from blending with cold air and re-entering the compressor compartment after the refrigerator is embedded in the cupboard.