803 results about "Freezing chamber" patented technology

A refrigerator including a refrigerating compartment; a freezing compartment; an evaporator at a rear side of the freezing compartment; a communicating duct including a first flow path and a second flow path; a refrigerating compartment duct configured to receive cold air generated by the evaporator from the communicating duct and including a first internal flow path to guide cold air from the first flow path to a first refrigerating space of the refrigerating compartment, and a second internal flow path to guide cold air from the second flow path to a second refrigerating space of the refrigerating compartment; and a damper including a first damping cover configured to control a supply of cold air to the first internal flow path, and a second damping cover configured to control a supply of cold air to the second internal flow path.

The squid liquid nitrogen instant freezer comprises a freezing chamber, the freezing chamber is provided with a conveying belt assembly, the conveying belt assembly is provided with a plurality of arc-shaped protrusions at equal intervals, and a plurality of material turning rod assemblies are installed on the side face, close to the freezing chamber, of a sliding plate; the driving motor drives the conveying belt assembly to move to convey squids to the position below the nitrogen injection assembly, meanwhile, due to the fact that arc-shaped protrusions arranged on the conveying belt assembly enable the squids and the surface of the conveying belt to be spaced and not to make close contact, and the driving motor can synchronously drive a reciprocating lead screw to rotate in the conveying process; and after squids are conveyed in place, the first gear column is separated from a driving gear, and the squids are not conveyed any more, so that the squids are statically located below the nitrogen injection assembly for air injection quick freezing, the contact time of the squids and nitrogen is prolonged, and the quick freezing effect of the squids is guaranteed.

An ice making module (100), and an ice maker and refrigerator having same. In the ice making module (100), a lifting device drives an upper die (26) to ascend or descend. After descending, the upper die (26) matches with a lower die (13) to form a plurality of ice making cavities. The top of the upper die (26) is provided with a plurality of water inlet holes, which are respectively in communication with the cavities. A quantitative water supply system (7) is in communication with the water inlet holes (261) to achieve quantitative water supply. The lower die (13) is connected to a turning device. The bottom of the lower die (13) is attached to a heat transfer block (12). Further comprised is a separation apparatus and / or a vent hole (122). The separation apparatus is used for separating the heat transfer block (12) and the lower die (13). The vent hole (122) communicates a gap between the heat transfer block (12) and the lower die (13). By means of the present ice making module (100), ice can be rapidly made, the dies can be rapidly separated from the heat source, the dies are easy to turn over, and the ice maker can collect overflow water to prevent the overflow water from soaking the device. The refrigerator is connected in series with an evaporator (33) of the ice making module (100) by means of an evaporator (102) of the refrigerator, or directly uses air from an air port of an air duct of a freezing chamber of the refrigerator to cool the dies, thereby saving energy.

The invention provides a defrosting control method based on near-end strategy optimization and a refrigerator. The method comprises the steps that target data of the refrigerator are collected; processing the collected target data, judging whether missing values and abnormal values exist in the data or not, and respectively processing the missing values and the abnormal values; constructing a state space of the multivariable strategy network based on the preprocessed data; meanwhile, energy consumption, freezing chamber temperature fluctuation, compressor starting and stopping times, defrosting interval time and defrosting duration are calculated based on the preprocessed data, and a multi-target reward function is constructed; training the constructed strategy network by using a near-end strategy optimization algorithm; and the trained lightweight strategy network model is embedded into an equipment end control device, and a defrosting control scheme is output. The near-end strategy optimization method of deep reinforcement learning is applied to refrigerator defrosting decision making, the defrosting opportunity is dynamically decided through the deep reinforcement learning strategy network, comprehensive optimization of energy consumption and temperature stability is achieved, energy consumption is reduced, temperature fluctuation is reduced, and the service life of a compressor is prolonged.

The invention relates to a production method of beer with high alcohol content, and belongs to the technical field of beer production. According to the method, beer is frozen into a solid state (hereinafter referred to as an ice body), a heat source is arranged in a specific direction to transfer heat to the beer ice body, and the alcohol content of the beer is improved through temperature-controlled dissolution. The specific orientation of the heat source is set to be a directional area. For example, when the beer is frozen into an ice body (a freezing chamber or a container) from the cooling surface, the specific orientation is an orientation which is vertically separated from the cooling surface towards the ice body (from the cooling surface). After the beer is frozen into an ice body, according to the solute content of the ice body, the specific orientation is the orientation where the solute content of the ice body is high. The beer is frozen into an ice body, and the alcohol content of the beer is gradually reduced in a temperature-controlled dissolution process by arranging a heat source in a specific direction. And according to the requirement of the target alcohol content, the solution is retained in sections, so that the beer with different alcohol contents is obtained. And transferring the beer conforming to the target alcohol content to the next link for storage (utilization). For beer which does not meet the target alcohol content, the alcohol content of the beer can be continuously improved through the method (repeated freezing, dissolving and segmented taking). The method is simple to operate, high in efficiency and capable of being operated at normal pressure and low temperature, substances which are beneficial to health and sensitive to heat sensitivity in the beer are reserved, and the alcohol content, the taste and the fragrance of the beer are greatly improved.

The present disclosure relates to a refrigerator, and the refrigerator includes a cabinet divided into a refrigerating compartment on the upper side and a freezing compartment on the lower side by a barrier; a refrigerating compartment door and a freezing compartment door for opening and closing the refrigerating compartment and the freezing compartment; a water supply device provided in the refrigerating compartment and mounted on an upper surface of the barrier; an ice maker provided in the freezing compartment and mounted on a lower surface of the barrier; and a water supply pipe provided at the barrier and guiding water from the water supply device to the ice maker, in which the water supply device and the ice maker are disposed so that at least a part overlaps each other, and the water supply pipe passes through the barrier between the water supply device and the ice maker in a vertical direction.

The invention relates to an infrared unfreezing method and device, an electronic device, a storage medium and a refrigerator, and the infrared unfreezing method comprises the following steps: obtaining the thickness of a to-be-unfrozen object, and determining a first infrared ray according to the thickness of the to-be-unfrozen object; obtaining the temperature of a partial freezing chamber in real time, and adjusting the wavelength of the first infrared ray according to the temperature of the partial freezing chamber to obtain a target unfreezing infrared ray; and heating and unfreezing the to-be-unfrozen object by adopting the target unfreezing infrared ray according to a preset heating control logic. Through the application, the problems of non-uniform thawing and low efficiency are solved, uniform thawing is realized, and the thawing efficiency is improved.

To provide vehicle-mounted refrigeration equipment enabling heat generated in the equipment to be efficiently utilized for heating the inside of a vehicle.SOLUTION: Vehicle-mounted refrigeration equipment comprises: a refrigeration machine 10 which includes a compressor 11 compressing a refrigerant, a heat exchanger 12 exchanging heat between the refrigerant and a heating medium heating the blown air, a condenser 13 exchanging heat between the refrigerant and outside air from outside a freezer, a condenser fan 13a blowing the outside air toward the condenser, and an evaporator 16 exchanging heat between the refrigerant and the air inside the freezer; and a control device 20 that controls the operation of the compressor and the condenser fan, and switches the operation of the refrigeration machine. The operation modes include a refrigeration operation for cooling the interior of the freezer, and a heating assist operation using a part of the heat generated by the refrigeration machine in the heating operation of a vehicle air conditioning device. When performing the heating assist operation, the control device reduces the rotational speed of the compressor and reduces the rotational speed of the condenser fan compared to a case in which the refrigeration operation is performed.SELECTED DRAWING: Figure 1

An ice making module (100), and an ice maker and refrigerator having same. In the ice making module (100), a lifting device drives an upper die (26) to ascend or descend. After descending, the upper die (26) matches with a lower die (13) to form a plurality of ice making cavities. The top of the upper die (26) is provided with a plurality of water inlet holes, which are respectively in communication with the cavities. A quantitative water supply system (7) is in communication with the water inlet holes (261) to achieve quantitative water supply. The lower die (13) is connected to a turning device. The bottom of the lower die (13) is attached to a heat transfer block (12). Further comprised is a separation apparatus and / or a vent hole (122). The separation apparatus is used for separating the heat transfer block (12) and the lower die (13). The vent hole (122) communicates a gap between the heat transfer block (12) and the lower die (13). By means of the present ice making module (100), ice can be rapidly made, the dies can be rapidly separated from the heat source, the dies are easy to turn over, and the ice maker can collect overflow water to prevent the overflow water from soaking the device. The refrigerator is connected in series with an evaporator (33) of the ice making module (100) by means of an evaporator (102) of the refrigerator, or directly uses air from an air port of an air duct of a freezing chamber of the refrigerator to cool the dies, thereby saving energy.

The utility model discloses refrigeration equipment, and belongs to the technical field of electrical equipment. The refrigeration equipment comprises a box body, a refrigerating chamber, a freezing chamber and a wide variable-temperature chamber, the first middle partition plate divides an inner cavity of the refrigerating chamber into two refrigerating cavities, a first air outlet flow channel is formed in the first middle partition plate, and first air outlets are formed in the two side walls of the first middle partition plate correspondingly; the second middle partition plate is arranged between the freezing chamber and the wide variable-temperature chamber, a second air outlet is formed in the second middle partition plate, the freezing chamber is communicated with the second air outlet flow channel through the second air outlet, and the second air outlet is formed between the second middle partition plate and the rear wall of the freezing chamber; and the air guide piece is arranged in the wide variable-temperature chamber, a fourth air outlet flow channel is formed in the air guide piece, the fourth air outlet flow channel communicates with the air outlet cavity, a fourth air outlet is formed in the air guide piece, and the fourth air outlet communicates with the fourth air outlet flow channel and the wide variable-temperature chamber. The refrigeration equipment provided by the utility model can give consideration to the ultrathin specification, sufficient storage capacity and stable refrigeration performance.

The invention relates to the field of compressors, and provides a reciprocating compressor, a control method thereof and a refrigerator. The reciprocating compressor comprises an air cylinder, a piston, a crankshaft and a gulp valve arranged at a gulp port, the piston reciprocates in a cavity, the motion cycle of the piston comprises an expansion stroke, an intake stroke, a compression stroke and an exhaust stroke, and the gulp valve is basically opened only in an effective gulp area of the compression stroke and closed in other time periods, so that the gulp pressure loss is reduced, and the service life of the gulp valve is prolonged. The compressor energy efficiency is improved. The gulp valve can be an electric control valve or a non-electric control mechanical valve linked with the crankshaft / piston. The compressor can be applied to a refrigerator refrigerating system, one compressor serves a refrigerating chamber and a freezing chamber at the same time, and the thermodynamic perfection degree and the energy-saving effect are improved.

The invention provides a refrigerator valve fault detection method and system, and the method comprises the steps: obtaining operation data which is data stored according to a time sequence, determining a frosting period according to the operation data, extracting the data of the frosting period from the operation data, and detecting the data of a detection unit; the detection unit is a detection unit in a frosting period; calculating a data occupancy rate when the refrigerating chamber temperature data of the detection unit is greater than the preset refrigerating temperature and a data occupancy rate when the freezing chamber temperature data of the detection unit is less than the preset freezing temperature, so as to confirm a first fault direction through the data occupancy rate of the preset refrigerating temperature, and confirm a second fault direction through the data occupancy rate of the preset freezing temperature, the first fault direction is from the electric valve to the refrigeration direction, and the second fault direction is from the electric valve to the freezing direction. According to the method, whether the refrigerator valve breaks down or not is judged by obtaining the operation information of the refrigerator, the fault can be found in time, the maintenance period of the refrigerator is shortened, and the maintenance efficiency is improved.

The invention provides a refrigerator door sealing performance detection method and refrigeration equipment, and the method comprises the steps: obtaining the temperature of a refrigeration chamber and the temperature of a freezing chamber in a frosting period, so as to obtain a first judgment result, generating a first detection method or a second detection method based on the first judgment result, the first detection method is a method for comparing the refrigeration time temperature and the evaporation temperature within a first preset time after the defrosting heater stops heating, and the second detection method is a method for comparing the freezing time temperature and the evaporation temperature within a second preset time after the defrosting heater stops heating; and based on the first detection method or the second detection method, generating a door body sealing performance detection result. According to the method, through multiple times of judgment, firstly, a chamber where the sealing performance problem possibly occurs is judged, if the door body has the sealing performance problem, the temperature of the chamber can be decreased and then increased within a certain time after defrosting is finished and heating is stopped, and energy consumption is reduced by detecting the sealing performance of the door body.

The invention discloses a free embedded refrigerator condensation prevention control method and system, a refrigerator and a medium. The free embedded refrigerator condensation prevention control method comprises the steps that a temperature sensor, a humidity sensor and a condensation prevention pipe temperature sensor are arranged in the refrigerator in advance; an anti-dew pipe temperature sensor is controlled to obtain the surface temperature of an anti-dew pipe around a freezing chamber, the temperature sensor is controlled to obtain the temperature of the environment where the refrigerator is located, and a humidity sensor is controlled to obtain the humidity of the environment where the refrigerator is located; according to the temperature and humidity of the environment where the refrigerator is located, the condensation point temperature is automatically calculated; comparing the obtained surface temperature of the anti-dew pipe around the freezing chamber with the condensation point temperature to obtain the temperature difference between the beam surface temperature and the condensation point temperature; and according to the surface temperature of the anti-dew pipe on the periphery of the freezing chamber and the temperature difference, the duty ratio of a condensation fan of the refrigerator is controlled. The problem of condensation outside the refrigerator in severe environments such as high temperature and high humidity and medium temperature and high humidity is solved, and convenience is provided for use of a user.

The invention discloses an aquatic product ultralow-temperature fresh-keeping method which comprises the following steps: collecting data of sensors uniformly distributed and mounted in a freezing chamber, and processing the collected sensor data; collecting a large amount of historical data to train an oxidation risk prediction model, and performing oxidation risk real-time prediction through the oxidation risk prediction model; according to the predicted oxidation risk result, electromagnetic nozzles installed on the top and the side wall of the freezing chamber are controlled to adjust the oxygen concentration; an oxygen absorbent is integrated in an aquatic product package, and a microporous valve is arranged on the surface of the package; phase-change materials are embedded in the wall of the freezing chamber and a goods shelf, and the distribution uniformity of a temperature field in the freezing chamber is monitored in real time through an infrared thermal imager; and after each batch of aquatic products are frozen, detecting the surface peroxide value and thiobarbituric acid value of the aquatic products by using infrared spectroscopy, quantifying the oxidation degree, and feeding back fresh-keeping effect detection data to the deep learning model as a new training sample to update network parameters.

A refrigerator appliance is provided, including a cabinet forming a refrigeration compartment, a freezer compartment, or both. A door is attached to the cabinet, the door configured to selectively allow entry to the refrigeration compartment, the freezer compartment, or both. A dispenser assembly is positioned at the door, the dispenser assembly including a recess extending into the door. The dispenser assembly is configured to egress a fluid, ice, or both, toward the recess. A scanner assembly includes a scanner device. The scanner assembly is positioned behind an external wall of the dispenser assembly.

The invention provides a polyurethane waste resourceful treatment system and method.The system comprises a freezing chamber, a smashing box and a Venturi feeder, refrigerants used for freezing polyurethane waste are arranged in the freezing chamber, a feeding port of the smashing box is connected with a discharging port of the freezing chamber, a feeding port of the Venturi feeder is connected with a discharging port of the smashing box, and a discharging port of the Venturi feeder is connected with a discharging port of the smashing box; an air inlet of the venturi feeder is connected with the fan, a discharge port of the venturi feeder is connected with the spray head, and the spray head is connected to the inner wall of the flue, so that crushed waste is sprayed into the flue through the spray head. According to the method, the brittleness of the polyurethane waste is improved through freezing treatment, so that the polyurethane waste is efficiently and finely crushed, the crushed polyurethane waste is sprayed into a high-temperature flue, ammonia gas and combustible gas are generated in an oxygen-deficient environment, energy utilization is achieved through combustion of the combustible gas, resource utilization is achieved through denitration of the ammonia gas, and the environment is protected. According to the system, high-level resource utilization of the polyurethane waste is realized, and the economic benefit is improved.

To provide a high-humidity cooling storage system which generates stable low-temperature, high-humidity air, thereby realizing a uniform storage space without unevenness where no wind is felt, and also making the storage clean and free from the generation of bacteria and mold. [Solution] A high-humidity cooling storage system is provided which comprises a direct-contact cooler and a bag-shaped duct placed inside the storage facility, the direct-contact cooler comprising a cooling water circulation system with a sprinkler, a water tank and a pump, a refrigerant circulation system which supplies refrigerant from the freezer to a fin coil, a heat exchanger, a fan and a filter to prevent water droplets from scattering, and the air inside the refrigerator drawn in by the fan passes through the fin coil, the heat exchanger, the sprinkler and the filter to prevent water droplets from scattering, where it is cooled and highly humidified before being sent to the bag-shaped duct, and the cooled and highly humidified air is supplied uniformly from the bag-shaped duct into the storage facility.

A chest freezer plunge power safety system is configured to prevent any chance of electrical shock by disconnecting power to the chest freezer when the freezer door is opened. Chest freezers are often filled with water that is chilled by the freezer and used for cold plunge therapy. A person will open the freezer door and submerge their body or portion of their body in the cold water. One or more sensors are configured to detect when the freezer door is opened. The sensor or sensors are coupled with a contactor that disconnects power from a power source to the chest freezer. The sensor element may be attached to the freezer door and configured to be detected by the sensor when the freezer door is in a closed position. The sensor may be coupled with a controller that controls the function of the contactor to open or close the circuit.

The invention discloses a digital refrigerator system and an operation method thereof, and relates to the technical field of intelligent electrical appliances, the digital refrigerator system comprises a refrigerator body, a central processing unit, an intelligent sensor network module, a network communication module, a user interaction interface and a power management module, the refrigerating chamber and the freezing chamber are each internally provided with a temperature sensor, a humidity sensor, a weight sensor and a camera, and the central processing unit comprises an RFID radio frequency card reading module, an alarm module and a single-chip microcomputer. According to the system, various sensors are arranged in the refrigerating chamber and the freezing chamber, and the data analyzing and processing function of the central processing unit is combined, so that the system can accurately master the stock condition of food materials in the refrigerator in real time, and then the central processing unit can accurately judge whether the food materials are sufficient or not and whether replenishment is needed or not according to preset rules; according to the refrigerator, the user can clearly know the food material reserve in the refrigerator body, refined food material management is achieved, and life convenience is improved.

The invention provides a refrigerator which comprises a water tank, a connecting pipeline, a pump and an embedded part, a first water nozzle and a second water nozzle are connected to the water tank, and the first water nozzle is connected to a distributor; the connecting pipeline is connected with the second water nozzle and the freezing chamber; the pump is mounted on the connecting pipeline; the water tank is provided with an openable water adding opening; the embedded part is provided with a first water nozzle mounting port and a second water nozzle mounting port which are matched with the first water nozzle and the second water nozzle, and the first water nozzle mounting port directly faces the distributor; the first water nozzle and the second water nozzle are consistent in angle. The water tank is connected with the distributor and the ice maker at the same time by arranging the first water nozzle and the second water nozzle which are consistent in angle, the embedded part is arranged to be matched with installation of the first water nozzle and the second water nozzle, laying of pipelines is facilitated through the space in the embedded part, and a user can disassemble and assemble the water tank conveniently.

The invention relates to the technical field of air duct cover plate production, in particular to a freezing chamber air duct cover plate production device and method.The freezing chamber air duct cover plate production device comprises a conveyor, a production mechanism is arranged on the conveyor and used for cover plate machining, and the production mechanism comprises a material storage assembly and a material conveying assembly, a feeder is arranged on the positioning part and is used for feeding a cover plate; the feeding assembly is arranged on the storage assembly and used for feeding the cover plate; the detection assembly is arranged in front of the upper end of the conveyor and used for detecting the cover plate; the auxiliary assembly comprises an overturning part arranged behind the upper end of the conveyor and used for overturning the cover plate, and an adsorption part is arranged on the overturning part and used for adsorbing the cover surface; stable adsorption of multi-specification cover plates is achieved by adjusting the distance between the suction cups, the double-face detection precision is ensured through the servo driving turnover mechanism, and an efficient automatic production line is formed in cooperation with a visual detection system arranged in a crossed mode.

The utility model provides a refrigerator which comprises a freezing chamber, a refrigerating chamber, air supply foam and an air door assembly. The refrigerating chamber and the freezing chamber are arranged at intervals, and a refrigerating communicating opening is formed in the side wall of the side, facing the freezing chamber, of the refrigerating chamber; the air supply foam is located between the freezing chamber and the refrigerating chamber so as to abut against the freezing chamber and the refrigerating chamber. A communicating air duct is formed in the air supply foam, one end of the communicating air duct can communicate with the refrigerating chamber through the refrigerating communicating opening, and the other end of the communicating air duct can communicate with the freezing chamber; a mounting groove is concavely formed in the end wall of one side, facing the refrigerating chamber, of the communicating air duct, and penetrates to one end, facing the refrigerating chamber, of the communicating air duct; the air door assembly is arranged in the mounting groove of the air supply foam, the air door assembly can be opened and closed to connect and disconnect the air duct, and the air door assembly can enter the refrigerating chamber through the refrigerating communication port. When the air door assembly is damaged, the air door assembly can be directly disassembled from the installation groove of the air supply foam, and therefore disassembly, installation and maintenance of the air door assembly are facilitated.

The invention relates to the technical field of refrigerators, and discloses an integral type box shell freezer and a using method, the integral type box shell freezer comprises a box body and a door body installed on one side of the box body, a connecting device is arranged between the box body and the door body, a storage device is arranged on the box body and the door body, and a freezing bin is arranged in the box body; the connecting device comprises a buckle assembly so that the door body can be fixed when the door body and the box body are closed. The storage device comprises a plurality of storage boxes, storage drawers and partition plates, connecting pieces are arranged between the storage boxes and the box body and between the storage boxes and the door body so that the storage boxes can be installed on the box body and the door body respectively, separators are arranged in the storage drawers, and the partition plates can be movably installed in the box body. By reasonably planning the available space on the refrigerator body and the door body, the partition plate, the storage box and the storage drawer are placed in the refrigerator body, and the problems that reasonable utilization of the space in the refrigerator and classified placement of stored objects are difficult to guarantee due to traditional distribution of the space in the refrigerator of the motor home are solved.

The invention discloses a refrigerator and a control method thereof.The refrigerator comprises a freezing chamber, a refrigerating chamber, a variable-temperature chamber and a refrigerating system, and the refrigerating system is a double-circulation refrigerating system and comprises a compressor, a condenser, a throttling device and a chamber evaporator which are sequentially connected; the compartment evaporator comprises a freezing evaporator, a refrigerating evaporator and a variable-temperature evaporator, the refrigerating evaporator and the variable-temperature evaporator are connected in parallel and then connected with the freezing evaporator in series, and the compressor, the condenser, the throttling device, the refrigerating evaporator and the freezing evaporator form a first circulating refrigerating system; and the compressor, the condenser, the throttling device, the variable-temperature evaporator and the freezing evaporator form a second circulating refrigerating system. The problem that in the prior art, the temperature of the freezing chamber of an independent three-cycle refrigerating system refrigerator is unstable is solved, the temperature stability of the freezing chamber is improved, and the refrigerating effect of the refrigerator is effectively improved.

The utility model is applicable to the technical field of quick freezing of fish ball products, and provides quick freezing equipment for fish ball products, which comprises a main box body, a movable support, a storage tank, a driving chamber, a first driving structure, a second driving structure, a freezing chamber and a water storage chamber are arranged in the main box body, the movable support is arranged in the main box body, the storage tank is arranged in the main box body, and the first driving structure is arranged in the main box body. The driving chamber is arranged at the side end of the main box body, the first driving structure is arranged in the driving chamber, the second driving structure is arranged in the movable support, and the freezing chamber and the water storage chamber are symmetrically arranged in the main box body. The fish ball quick-freezing device solves the technical problem that the fish ball quick-freezing device cannot completely filter water, the water filtering device is not directly communicated with the freezing chamber, so that water cannot flow into the freezing chamber due to blockage of the filtering holes to freeze the conveying belt during filtering, in addition, the fish ball quick-freezing device is further provided with a fan, and the cooling effect is good. The fish balls can be primarily cooled, and evaporation of water can be accelerated, so that the refrigeration efficiency is improved.

A freeze drying system (200) having a nozzle (30) operated at a setpoint pressure to generate fluid product drops (242) for freezing in a freezing chamber (244) of a freezing vessel (228). The freezing chamber includes an inner wall (250) that defines a cavity (254) and an outer wall (252) having an inlet (260) that extends from a location on the outer wall that is lower than an outlet (262). A cooling fluid flows through the inlet, cavity and outlet to form a freezing zone (280). A drying chamber (304) having sloped shelves (352) receives frozen particles (282) from the freezing chamber. A heating element (418) is associated with each shelf that heats the frozen particles to promote sublimation. Vibration elements (396, 398, 400, 402) located outside the drying chamber vibrate the shelves causing the frozen particles to move from shelf to shelf to form freeze dried product (284).

1. Name of the designed product: refrigerator shelf (freezing chamber). 2. Use of the designed product: refrigerator shelf for freezing chamber. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention discloses liquid nitrogen freezing equipment for aquatic product processing, and relates to the field of aquatic product freezing, the liquid nitrogen freezing equipment for aquatic product processing comprises a refrigerator, a liquid nitrogen storage chamber and an aquatic product freezing chamber are arranged in the refrigerator, a plurality of groups of separation cold conduction mechanisms are mounted in the aquatic product freezing chamber from top to bottom, and each separation cold conduction mechanism comprises a mainboard and a control guide plate; the control guide plate is movably assembled in the inner cavity, a liquid nitrogen flow cavity for liquid nitrogen to flow is formed in the control guide plate, an outer guide hole is formed in the surface of the main plate, an inner guide hole is formed in the surface of the control guide plate, and the control guide plate can horizontally move in the inner cavity. The aquatic product freezing chamber is provided with the separation cold conduction mechanism, and the aquatic product freezing chamber can be divided into a plurality of areas through the separation cold conduction mechanism, so that when the whole aquatic product freezing chamber is filled with aquatic products, liquid nitrogen can uniformly flow into the aquatic products in all the areas through separation and conduction of the separation cold conduction mechanism; therefore, the effect of uniform and rapid freezing is achieved, and the freezing quality of aquatic products is guaranteed.

The utility model belongs to the technical field of direct-cooling refrigerators, and particularly discloses a direct-cooling refrigerator back icing monitoring mechanism which comprises a direct-cooling refrigerator, an environment sensor, a defrosting sensor and an internal sensor, and the direct-cooling refrigerator comprises a refrigerating chamber and a freezing chamber arranged below the refrigerating chamber; a protection mechanism is arranged on the top of a refrigerator shell of the direct-cooling refrigerator, and the environment sensor is arranged in the protection mechanism. According to the icing monitoring mechanism for the back of the direct cooling refrigerator, the three temperature sensors are adopted and arranged at different positions of the direct cooling refrigerator, and real-time monitoring of the internal temperature and the environment temperature of the direct cooling refrigerator is achieved; through the arrangement of the protection mechanism, the installation mechanism and the installation block, the three temperature sensors are installed, and the installation mode not only can protect the temperature sensors, but also can facilitate the subsequent disassembly and replacement of the temperature sensors.