1331results about "Defrosting" patented technology

The invention relates to the technical field of refrigeration equipment state monitoring and data analysis, and discloses a freezer remote monitoring and fault prediction system, which comprises the steps of intercepting operation data of a freezer in a door closing silence period, calculating an environment dew point temperature sequence and extracting a unit temperature difference load fluctuation ratio sequence of a refrigeration system; based on the time change rate of the environment dew point temperature sequence and the unit temperature difference load fluctuation ratio sequence, an instantaneous cross bispectrum coupling potential energy sequence representing the nonlinear modulation relation of the time change rate and the unit temperature difference load fluctuation ratio sequence is constructed; then, a two-dimensional phase space hysteresis track is constructed with the environment dew point temperature sequence as the horizontal axis and the instantaneous cross bispectrum coupling potential energy sequence as the longitudinal axis, and the cross bispectrum hysteresis entropy of the dew point driving type load volatility is calculated based on the probability density distribution of the track and the directed circulation area; and finally, judging an operation state and outputting a fault prediction result by verifying whether the entropy value is within a historical reference interval.

The embodiment of the present application provides a kind of humidity control device and refrigerator, humidity control device is connected with the drawer interchamber of refrigerator, including filter, fan, air duct component, ventilation cover, air duct component includes air inlet and air outlet, is connected with the drawer interchamber by air outlet, ventilation cover is set on the shell of refrigerator, and is connected with air inlet, for introducing ambient air;Fan is arranged in air duct component, for adjusting the air flow rate in air duct component;Filter is arranged in air duct component, for filtering ambient air.The embodiment of the present application can when the internal humidity of drawer interchamber is less than preset value range, start fan to intensify the air flow speed in air duct component, more quickly introduce ambient air into drawer interchamber, to increase the internal humidity of drawer interchamber, humidification is carried out by the way of introducing ambient air, can solve the problem that existing active humidity control needs to rely on water box and ultrasonic wave technology.

The invention discloses an energy-saving type airflow cooperative control system of an impact type tunnel instant freezer and an optimization method. The system obtains multi-source data of materials, environment and equipment in real time through a data sensing and collecting module; the collaborative optimization decision module generates a global control instruction for coordinating the air supply subsystem, the refrigeration subsystem and the conveying subsystem based on an optimization model with the lowest total energy consumption of the system as a target; the airflow dynamic execution module and the refrigeration conveying cooperative execution module respectively drive the adjustable airflow generation unit, the refrigerating unit and the conveying chain to generate a dynamic airflow field matched with the freezing load and adjust the cooling capacity and the speed; the intelligent defrosting scheduling module optimally triggers defrosting based on the prediction model; according to the method, the steps of data collection, decision optimization, airflow dynamic adjustment, refrigeration conveying cooperation and intelligent defrosting are synchronously executed. According to the invention, deep collaboration and dynamic optimization of multiple subsystems are realized, the energy consumption of the instant freezer can be obviously reduced, and the freezing uniformity and the continuous production efficiency are improved.

The multifunctional partitioned temperature control medical storage cabinet comprises a multifunctional medical temperature control cabinet, and a drying mechanism and a heat dissipation auxiliary mechanism are arranged in the multifunctional medical temperature control cabinet; according to the multifunctional partitioned temperature control medical storage cabinet, by arranging the drying mechanism, the heat dissipation auxiliary mechanism and the cleaning mechanism, the multiple improvement effect on the environment in the cabinet is achieved, firstly, a motor drives a lead screw to drive a support to move, a cleaning wiping plate can be periodically attached to the back face of the partitioned storage cabinet, condensate water formed due to temperature difference is cleaned and scraped, and the cleaning effect is improved; according to the drying device, local moisture accumulation caused by long-term adhesion of water drops is avoided, the mildew risk is reduced from the source, meanwhile, condensate water is extruded to flow into the water storage tank and is discharged through the drainage pipe, the internal humidity control capacity is further improved, and then the drying box is heated by the heating plate, so that drying agent particles continuously keep active; and the transmission plate drives the transmission ring and the transmission blades to rotate to stir the drying agent particles, so that moisture absorption is more uniform and efficient.

A refrigerator may include a body including a compartment; a first door and second door coupled to the body, and that are rotatable to open and close a first and second region of the compartment, respectively; a rotation guide including a first electrode to receive power from the body; a rotating bar on the first door, that is rotatable, and includes a heater and a second electrode to supply power to the heater, wherein, with the second region closed by the second door, as the first door closes the first region, rotation of the rotating bar is guided by the rotation guide such that, the rotating bar covers a gap between the first and second door, and with the first region closed by the first door, the first and second electrode contact such that the heater is powered by the power from the body.

The utility model relates to the technical field of quick-freezing devices, in particular to a tunnel-type quick-freezing device for quick-frozen food, which adopts a tunnel-type quick-freezing structure that a conveying belt is matched with a screen plate to realize reciprocating conveying of food, simplifies a conveying structure and reduces adhesion and damage of the food. Comprising a quick-freezing box, a driving roller, a driven roller, a conveying belt and a refrigerating system, the quick-freezing device further comprises a plurality of separating and pushing assemblies, a net plate and an ice receiving mechanism, the separating and pushing assemblies are evenly installed on the outer surface of the conveying belt, each separating and pushing assembly is composed of a plurality of evenly-arranged elastic rods, the separating and pushing assemblies are perpendicular to the conveying direction of the conveying belt, and the net plate is installed in a quick-freezing cavity of the quick-freezing box. The end of the screen extends out of the quick-freezing box through the inlet and outlet, the screen is located below the conveying belt, the ends of the multiple separating and pushing assemblies scrape the upper surface of the screen, and the ice receiving mechanism is installed in the quick-freezing cavity, located below the screen and used for collecting crushed ice.

The invention discloses a control method and device of an air conditioner, the air conditioner, a storage medium and a computer program product, and the method comprises the steps that in the refrigeration operation process of the air conditioner, whether the current environment is in a temperature and humidity state needing preferential dehumidification or not is determined according to the indoor environment temperature and the indoor relative humidity; if it is determined that the current environment is in the temperature and humidity state needing preferential dehumidification, the frequency of a compressor and the rotating speed of an inner fan are adjusted, and the air conditioner executes dehumidification operation; after the dehumidification operation is completed, the environment dew point temperature is calculated based on the indoor environment temperature and the indoor relative humidity; dynamically adjusting the running frequency of the compressor and the rotating speed of the inner fan according to the environment dew-point temperature and the evaporator surface temperature to enable the evaporator surface temperature to be higher than the environment dew-point temperature. According to the scheme, the anti-condensation response speed is increased, the control precision and the environmental adaptability are improved, and the balance of efficient dehumidification and stable anti-condensation is achieved.

The invention relates to a temperature control system control method and device, temperature control equipment and a storage medium. The method comprises the steps that even if the environment temperature and humidity change dynamically, the air dew point temperature can be recalculated according to the air dry-bulb temperature and the relative humidity which change suddenly, and a proper safety margin is calculated by combining the humidity change rate under the environment temperature and humidity change suddenly; the target temperature of the matched environment is calculated by integrating the air dew point temperature and the safety margin, and then the operation parameters of the temperature control equipment are controlled according to the target temperature so as to effectively respond to dynamic sudden change of the environment temperature and humidity, and it is ensured that the temperature of an evaporator coil does not fluctuate along with the target temperature to cause the condensation phenomenon.

The invention discloses an intelligent commercial refrigerator in an energy-saving mode based on an AI technology. The intelligent commercial refrigerator comprises an AI intelligent control module, a multi-dimensional sensor network module, a dynamic refrigeration adjusting module, an intelligent defrosting control module, a monitoring management module, a diagnosis correction module and an energy-saving module. The problems that a traditional commercial refrigerator is high in energy consumption, inflexible in refrigeration adjustment, not timely in fault diagnosis and incapable of achieving remote monitoring are solved. According to the invention, through specific algorithms of the improved sparrow algorithm module and the over-temperature calculation module in the AI intelligent control module, multi-dimensional data in the operation process of the refrigerator are evaluated and processed, and the accuracy and efficiency of data processing are improved. And through an improved time sequence analysis module and a cooling capacity demand prediction algorithm module in the dynamic refrigeration adjustment module, the refrigeration demand of the refrigerator is evaluated and optimized, and real-time adjustment of the refrigeration intensity and the operation state is achieved.

The invention discloses a self-adaptive defrosting air energy heat pump unit and relates to the technical field of air energy heat pumps, the self-adaptive defrosting air energy heat pump unit comprises an evaporator body, the evaporator body comprises a copper pipe, a shell and a fin whole arranged on the outer side of the copper pipe in a sleeving mode, a magnetic sheet is embedded in the fin whole, and an adjusting mechanism is arranged at one end of the fin whole in the axial direction of the fin whole. A cleaning mechanism is arranged at the center, close to each other, of the whole fins; according to the invention, through the design of rotationally sleeving the fins, the fins can be conveniently cleaned by the cleaning mechanism, an electric field and a magnetic field which are perpendicular to each other are generated by using the conductive cleaning head and the magnetic sheets embedded in the fins, heat can be gradually generated on the surface of the cleaning head according to the Nernst-Andern Hawson effect, and thicker frost layers on the surface layers of the fins are removed; compared with a traditional defrosting mode, the defrosting method has the advantages that a large amount of energy does not need to be additionally consumed to melt a frost layer, energy consumption is reduced, meanwhile, large indoor temperature fluctuation caused by defrosting is avoided, and the comfort level of a user is improved.

The application discloses a heat pump unit control method and device, a storage medium and an electronic device. The method detects the current water circulation flow and the current water inlet temperature of the heat pump unit in response to the defrosting trigger instruction for the heat pump unit, performs defrosting execution matching processing based on the current water circulation flow and the current water inlet temperature, and controls the heat pump unit to perform defrosting processing. Through the pre-detection of the water circulation flow and the water inlet temperature and the accurate matching of the defrosting execution, the freezing problem of the plate heat exchanger caused by insufficient flow and too low water inlet temperature is avoided from the source, so that the freezing risk of the plate heat exchanger can be effectively avoided in the defrosting control process of the heat pump unit.

The application provides a data center cooling tower automatic deicing device, and relates to the technical field of cooling towers. The device comprises: an air heat exchange system connected with a data center machine room and a data center cooling tower, used for guiding the heat of the data center machine room to the data center cooling tower for ice prevention and deicing, and guiding the cold obtained by the data center cooling tower for ice prevention and deicing to the data center machine room for cooling; and a detection control system comprising: a temperature sensor, at least comprising a first temperature sensor, installed outside the air inlet side of the data center cooling tower, used for monitoring the outdoor temperature of the air inlet side of the data center cooling tower, a data center dynamic ring system connected with the first temperature sensor and the air heat exchange system, used for starting the air heat exchange system according to the outdoor temperature of the air inlet side of the data center cooling tower, so as to realize the ice prevention and deicing of the data center cooling tower and the cooling of the data center machine room. The application can balance the deicing efficiency and energy consumption control.

The application discloses a refrigerator operation control method and a refrigerator. The refrigerator comprises an evaporator, a compressor, an evaporating chamber containing the evaporator, a compressor chamber containing the compressor and located below the evaporating chamber, and a drain pipe for discharging defrosting water in the evaporating chamber to the compressor chamber. The refrigerator further comprises a temperature sensor, a heat pipe heating assembly, an electric heating wire heating assembly, and a control unit. In the refrigerator structure, the heating speed of the heat pipe heating assembly and the electric heating wire heating assembly is different. Based on the specific operation control method, the freezing phenomenon at the upper end port position of the drain pipe can be effectively avoided, the defrosting water in the evaporating chamber can be smoothly discharged, and the energy consumption of the refrigerator can be greatly reduced.

A refrigerator is disclosed. The refrigerator may include a compressor which compresses a refrigerant; a condenser which condenses the refrigerant compressed by the compressor; a switching valve which is connected to an outlet of the condenser; an evaporator; a first flow path which connects one branched side of the switching valve to the evaporator; a defrosting heater for removing frost formed on the evaporator; a memory; and a processor. The processor controls the switching valve to shut off the first flow path if a defrosting start condition is satisfied while the refrigerant circulates through the first flow path, and operates the defrosting heater if a first condition is satisfied in a state while the first flow path is shut off.

The present application provides a refrigerator, comprising: a refrigerator body, wherein a compressor cavity and an air guide channel communicated with the compressor cavity are formed in the refrigerator body, an air inlet communicated with the compressor cavity is formed at the bottom of the refrigerator body, and an air outlet communicated with the air guide channel is formed in the rear portion of the refrigerator body; and a first evaporator provided in the refrigerator body and located on the side of the compressor cavity distant from the bottom end of the refrigerator body, wherein the first evaporator is an evaporator located closest to the bottom end of the refrigerator body in the refrigerator body, the first evaporator comprises multiple rows of first fins, and the multiple rows of first fins are sequentially arranged at intervals in the height direction of the refrigerator body. Among the multiple rows of first fins, the row of first fins located closest to the bottom end of the refrigerator body is the lowermost row of fins, and the row of first fins adjacent to the bottom row of fins is the second-lowermost row of fins. The air guide channel is located on the side of the second-lowermost row of fins close to the bottom end of the refrigerator body.

A refrigerator includes a cooling circuit having a first flow path circulating a refrigerant connected in order of a compressor, a condenser, a capillary, and an evaporator, the cooling circuit including a hot gas bypass pipe provided to form a second flow path making the refrigerant compressed by the compressor flow from the compressor to the evaporator, a three-way valve provided in the first flow path between the compressor and the condenser and connected with the hot gas bypass pipe, and a two-way valve provided in the first flow path between the condenser and the capillary, the three-way valve being capable of making the refrigerant discharged from the compressor flow into the condenser or the hot gas bypass pipe, the two-way valve being capable of cutting off the flow of the refrigerant discharged from the condenser by being closed.

The invention discloses an interruptible load-oriented power distribution network demand side response optimization control method, and relates to the technical field of power distribution networks, and the method comprises the steps: calculating the permeation enthalpy flux of a low-temperature refrigeration house at a refrigeration house door opening, and obtaining the defrosting heat flux of the low-temperature refrigeration house in the defrosting process; based on the permeation enthalpy flux and the defrosting heat flux, the end melting fraction and the initial melting fraction of the phase change material are calculated; calculating the average latent heat absorption power of the phase change material based on the end melting fraction and the initial melting fraction; and based on the average latent heat absorption power and the released latent heat energy of the phase change material, calculating the current latent cooling reserve of the phase change material. According to the invention, the total efficiency and the system stability of the multi-refrigeration-house group participating in the power distribution network demand side response are improved.

To provide a refrigerator capable of suppressing unnecessary temperature rise of a member around a defrosting heater due to light emission of the defrosting heater in a defrosting process.SOLUTION: Refrigerator 10 includes refrigerating compartment 12 and the like as a storage compartment, cooling compartment 27 in which air blown into the storage compartment is cooled by evaporator 26, defrosting heater 30 disposed below evaporator 26 inside cooling compartment 27, return air passage 24 through which air returning from the storage compartment to cooling compartment 27 is blown, and light shielding portion 43 disposed between air outlet 42 of return air passage 24 and defrosting heater 30.SELECTED DRAWING: Figure 3

The invention discloses an energy-saving controller for temperature feedback intelligent intermittent demisting control, and belongs to the technical field of electric appliance engineering and intelligent control. The controller comprises a high-precision temperature sensing module, an intelligent control module, a heating wire driving module and an abnormal protection and alarm module. The intelligent control module dynamically controls the heating wire driving module to conduct on-off operation on the demisting heating wire according to temperature data, collected by the temperature sensing module in real time, of key parts of the refrigeration device through a preset temperature threshold interval and intermittent work cycle logic. The problems that in the prior art, due to the fact that a demisting heating wire is normally turned on, energy consumption is high, devices are prone to aging, and due to the fact that the demisting heating wire and a compressor are started and stopped at the same time, the demisting effect is poor in the high-humidity environment are solved, and efficient, energy-saving, safe and high-adaptability intelligent demisting control is achieved.

The utility model discloses an evaporator defrosting device and a refrigerator, the evaporator defrosting device comprises a heating plate and a heat conducting fin, and the heating plate is used for being arranged on one side of an evaporator; one end of the heat-conducting fin is connected with one side, facing the evaporator, of the heating plate, and the other end of the heat-conducting fin is configured to be far away from the heating plate, so that the heat-conducting fin can extend into the evaporator; when the heating plate is arranged on one side of the evaporator, at least part of the heat-conducting fins extend into the evaporator, so that heat of the heating plate can be transferred into the evaporator, and the defrosting efficiency of the evaporator is improved.

A refrigerator is disclosed. The refrigerator includes a main body formed of a vacuum insulator. The refrigerator includes a block disposed at one side of the main body. The main body includes a first space. The block partitions the first space from a machine room. The block is formed of polyurethane foam, which is a non-vacuum insulator. An insulation reinforcement protruding toward the machine room is provided at one side of the block. A condenser and a compressor, which are cycle components accommodated in the machine room, can be disposed at the central portion of the machine room so as not to interfere with the insulation reinforcement. A first duct for accommodating the condenser and a second duct for accommodating the compressor extend in one direction inside the machine room. The first duct and the second duct isolate the condenser and the compressor from the inner space of the machine room, and guide the flow of air in one direction. Therefore, heat radiation performance of the condenser is improved.

The utility model relates to the technical field of refrigerators, in particular to a heat insulation valve and a refrigerator with the same. The heat insulation valve comprises a valve body and a valve element, a valve cavity is formed in the valve body, the valve body is further provided with a first communication port and a second communication port which are communicated with the valve cavity, the first communication port is used for being communicated with a water inlet of a refrigerator drain pipe, and the second communication port is used for being communicated with a water outlet of the refrigerator drain pipe. The valve element is installed in the valve cavity and rotationally connected with the valve body, the first communication opening and the second communication opening can be communicated through rotation, and the first communication opening and the second communication opening are separated when rotation is stopped. The valve element rotates around the first axis, and the first axis does not intersect with the axis of the first communication opening. The defrosting valve has the advantages that by arranging the rotatable valve element, defrosting water is smoothly discharged when flowing into the valve cavity through the drainage pipe, and when no driving force drives the valve element to rotate, the valve element does not rotate so as to separate the first communication port and the second communication port, and external humid and hot air is prevented from entering the defrosting valve. The structure is simple and the cost is low.

To provide a highly reliable refrigerator which inhibits foods stored in a storage room in a refrigeration temperature zone from being frozen.SOLUTION: A refrigerator includes: a cooler 4: a storage room 3 in a refrigeration temperature zone; an in-room fan 9 which forms airflow in the storage room 3; a door which may close a front opening of the storage room 3; a shelf 34b disposed within the storage room 3; a food placement surface; and a cooler room which is disposed including an area located substantially immediately below the placement surface and in which the cooler 4 is stored. The refrigerator includes temperature compensation means which increases a temperature of the placement surface. The temperature compensation means blows air to the storage room 3 (air blowing operation) in a state that the refrigerant is not supplied to the cooler 4.SELECTED DRAWING: Figure 12

A vehicle-mounted heat exchanger (100) includes a heat exchanging unit (108) comprising a plurality of plate fins (101) which are plate-shaped and are disposed parallel to one another, and a plurality of tubes (102) which penetrate through the plurality of plate fins and through which a refrigerant flows. If a refrigerant flow passage through which the refrigerant flows in the heat exchanging unit is defined as a path (110 to 150), the plurality of tubes form at least one path. A most downstream tube (121, 141) positioned most downstream, in the refrigerant flow, within the at least one path is disposed on an airflow most downstream side of the heat exchanging unit in an airflow direction parallel to a surface direction of the plurality of plate fins.

The utility model belongs to the field of hot dry noodle processing, and particularly relates to hot dry noodle air-cooling forming equipment which comprises a cabinet body, a cabinet door is rotatably connected to the front side of the cabinet body, a handle is fixedly connected to the front side of the cabinet door, and supporting legs are fixedly connected to the bottom face of the cabinet body. The storage boxes are positioned through the limiting plates, so that the storage boxes are evenly distributed on the surfaces of the storage frames, hot dry noodle semi-finished products are put into the storage boxes with the tops in the shapes of inverted circular truncated cones, the device can be conveniently and evenly cooled, the semi-finished products are processed to be in a noodle cake shape, and the processing efficiency of the device is improved through the two storage frames; and secondly, through a clamping mode of the mounting frame and a top opening structure, condensate water generated in the mounting frame and the device is convenient to replace and clean, gathers on the surface of an inclined plate, is guided to the inner wall of the cabinet body through a channel and is finally stored on the bottom surface of the cabinet body and the position of a baffle plate, and after the device is cooled, a drain valve is opened to drain the condensate water, so that the cleanliness of the device is improved.

The application discloses a freezing box deicing device, which comprises a main body, a vibration motor, a first connecting rod, a second connecting rod, a tray, a third connecting rod and a top cover. The first connecting rod is movably arranged on the main body in the vertical direction. One end of the second connecting rod is fixedly connected with the upper end of the first connecting rod, and the second connecting rod is provided with a first connecting hole. The tray is used for placing freezing boxes. The third connecting rod extends in the vertical direction, passes through the first connecting hole, is in clearance fit with the first connecting hole, is elastically connected with the main body, and is movably connected with the second connecting rod. The top cover is provided with a plurality of holes, each of which is used for clamping a corresponding freezing tube. The freezing box deicing device is beneficial to eliminating the micro-negative pressure effect, and the freezing box and the freezing tube can be easily separated. In addition, excessive rotation of the freezing tube is avoided, the cap of the freezing tube is prevented from being unscrewed, and biological samples are prevented from being polluted.

This utility model discloses an intelligent locker with a constant temperature structure, including a cabinet body, an inner liner, a rear frame, and a folding plate assembly. The upper part of the front upper and lower center cross-sections of the cabinet body has two rows of first storage compartments for ambient temperature storage, and the lower part of the upper and lower center cross-sections has two rows of low-temperature storage compartments for constant temperature storage. A second placement slot is provided on the rear part of the cabinet body corresponding to the two rows of low-temperature storage compartments. This utility model achieves rapid cleaning of the interior of the low-temperature storage compartment by pulling out the rear frame from the low-temperature storage compartment and scraping and cleaning the inner wall of the inner liner through the outer contour of the rear frame, allowing the liquid inside the inner liner to flow out through the liquid collection tank. This solves the problem of cumbersome cleaning of the cabinet interior. A temperature-sensing gas delivery valve on the connecting box is used to sense the temperature inside the low-temperature storage compartment, thereby controlling whether cold air from the first delivery pipe flows into the low-temperature storage compartment to maintain a constant temperature.

The utility model relates to the technical field of ice maker inner wall disinfection, in particular to a portable ice maker inner wall disinfection device. The utility model provides a portable ice maker inner wall disinfection device which can carry out thermal disinfection and simultaneously carry out accelerated melting on ice attached to the inner wall of an ice maker through hot water circulation so as to facilitate subsequent rapid deicing and improve the working efficiency. A portable ice maker inner wall disinfection device comprises an ice maker, a water inlet frame, a touch screen and the like, the front side of the left portion of the ice maker is connected with the water inlet frame, and the upper side of the left portion of the ice maker is connected with the touch screen. According to the utility model, hot water enters the bottom of the circulating pipeline, so that the hot water is atomized and sprayed out through the spray head, the circulating pipeline is filled with the hot water, and ice attached to the inner wall of the ice maker is quickly melted through the hot water in the circulating pipeline; and the effects of accelerating melting of ice attached to the inner wall of the ice maker through hot water circulation while performing thermal disinfection, facilitating subsequent rapid deicing and improving the working efficiency are achieved.