4656results about "Defrosting" patented technology

The invention provides an intelligent adjusting and dynamic defrosting method and system based on multiple sensors and a medium The method comprises the steps that firstly, monitoring data are obtained in real time according to the multi-dimensional sensors deployed in a freezer, and a multi-source data matrix is obtained through preset data processing and integration; secondly, dynamically adjusting a frost condition model weight coefficient according to monitoring data, and quantifying a frost condition coefficient based on a frost condition model in combination with a multi-source data matrix; then, executing a three-stage defrosting strategy according to the frost condition coefficient, and respectively adjusting working parameters of defrosting equipment such as a compressor, a condensation fan or a heater; and finally, precise control over the box temperature is achieved through power step soft start of a compressor and PID dynamic adjustment of an electronic expansion valve, and energy efficiency optimization is achieved by automatically optimizing the rotating speed of a condensation fan based on the environment temperature and humidity. The corresponding defrosting operation is triggered through the frost condition coefficient, and the effectiveness of defrosting and the stability of the box temperature are improved; in addition, the adaptability of special scenes is enhanced by dynamically adjusting the weight.

To provide a power amount adjustment system capable of reducing power consumption according to requests to reduce the power consumption due to tight power supply and demand.SOLUTION: In a power amount adjustment system 100, when a server 4 acquires tight power supply and demand information requiring a reduction in power consumption in a specific time period, the server is configured to change and adjust a start time of defrosting operation when the specific time period overlaps with a time period during which pulldown is scheduled to be performed.SELECTED DRAWING: Figure 1

A nesting system for securing a container is disclosed. The container could be a soft-sided backpack style cooler. Such a system may include a cooler with a sidewall, a top, a base, a vertical axis extending from the base to the top, and an insulated interior region. The base may have a bottom plate portion with at least one protrusion extending down from bottom plate portion and one or more holes formed through protrusion orthogonal to the vertical axis. The protrusion could be a wall that extends downward from the bottom plate portion of the base around the entire perimeter of the base. In addition, the protrusion could have an irregular profile with feet that extends further down then the rest of the wall. The system may also include a nesting platform with a bottom tray and a vertical wall extending up from the bottom tray. The bottom tray and vertical wall may be sized to allow the base to fit within tray and vertical wall. In addition, a spring-loaded pin may be attached to the vertical wall and configured to take a receded pin position when the spring is compressed and an extended pin position when the spring is at equilibrium. A receded pin position might be one that allows a protrusion from the base of the container, which could be a cooler, to engage with the nesting platform such that holes formed through the base are aligned with the spring-loaded pins. In so doing, the spring-loaded pins may be released and capable of assuming an extended pin position in which the pins extend at least partially through holes and effectively secure the container and its base to the nesting platform.

The invention relates to the technical field of cold storage door control, and discloses a cold storage door opening and closing control method which comprises the following steps: acquiring multi-mode sensing information related to operation of a cold storage door system; driving a digital twinborn model based on the multi-mode sensing information, and analyzing the current state and predicting the future state of the cold storage door system by using the digital twinborn model; based on the multi-mode sensing information and the analysis and prediction result of the digital twinborn model, a deep reinforcement learning algorithm is adopted to generate a cooperative control instruction for the cold storage door opening and closing motion and the operation of at least one energy-saving device; and executing the cooperative control instruction. Energy flow is accurately simulated and predicted by using a high-fidelity digital twinborn model, and the actual traffic demand is accurately judged in combination with multi-modal perception, so that a deep reinforcement learning agent can generate a cooperative control instruction with the lowest comprehensive energy consumption as a target, and active intelligent energy saving is realized.

The utility model relates to the technical field of automatic defrosting, and provides an automatic defrosting mechanism of an air source heat pump, which comprises an air source heat pump body and a heat exchange evaporator, the heat exchange evaporator comprises a heat exchange fin, a defrosting pipe is fixedly mounted on the heat exchange fin, the air source heat pump body is communicated with a cold water pipe and a hot water pipe, and the cold water pipe is communicated with the hot water pipe. A heat preservation heating box is fixed to the outer wall of the air source heat pump body and communicated with a first water guide pipe, the first water guide pipe is communicated with one end of the defrosting pipe, the hot water pipe is further communicated with a water inlet pipe, the water inlet pipe is communicated with the heat preservation heating box, and the communication position is controlled by an electromagnetic control valve. The second water guide pipe communicates with a one-way water valve. The water inlet pipe is additionally arranged on the hot water pipe of the automatic defrosting mechanism of the air source heat pump and matched with the first water guide pipe, the defrosting pipe and the second water guide pipe, the heat exchange evaporator is defrosted, it is guaranteed that the heat exchange evaporator makes full contact with outside air, and the working efficiency of the heat exchange evaporator is not affected.

Disclosed is a method for defrosting a thermal regulation circuit for a vehicle, in particular for a motor vehicle, the thermal regulation circuit being provided with a refrigerant circulation loop comprising a first heat exchanger (2), susceptible to frosting, as well as second and third exchangers (4, 6), the second and third exchangers (4, 6) being intended to exchange heat between the refrigerant and a heat transfer fluid, the loop further comprising a bottle (12) for storing a part of the refrigerant, the method comprising a step, referred to as defrosting, of circulating the refrigerant successively in the second heat exchanger (4), the bottle (12) and then the first and third exchangers (2, 6), with cooling of the refrigerant in the first and second exchangers (2, 4) and heating of the refrigerant in the third exchanger (6).

The present disclosure relates a refrigerator including cabinet forming a storage space; and a door configured to open and close the storage space; in which the door includes an outer plate forming a front surface of the door and having an opening; a panel assembly mounted to the opening; a door liner forming a rear surface of the door; and a support frame configured to support a rear surface of the panel assembly; in which the panel assembly includes a front panel forming a front surface; an adiabatic panel disposed at the rear spaced apart from the front panel; a rear panel forming a rear surface; and an interstitial rod disposed between the front panel and the adiabatic panel, and in which the support frame includes a panel support portion formed along the circumference of the front panel; a heater accommodation groove recessed from a front surface to a rear surface of the panel support portion to accommodate a heater configured to heat the front panel; and a heater restraint portion protruding from one surface of the heater accommodation groove to be in contact with at least a portion of the heater.

The utility model relates to the technical field of refrigeration equipment, and discloses a refrigerator, including a box body, a door body and an ice maker; the box body includes a box shell and an inner tank, and a refrigeration chamber is arranged inside the inner tank; the ice maker is arranged in the refrigeration chamber; the ice maker includes a mounting frame, an ice making grid and a water injection pipe; a water injection hole is arranged on the mounting frame; the water outlet end of the water injection pipe is arranged corresponding to the water injection hole, and the water injection pipe injects water into the ice making grid through the water injection hole; wherein, an overflow cover is arranged on the mounting frame; the overflow cover is arranged at the periphery of the water injection hole, and the overflow cover is arranged on the outside of the water outlet end. By arranging the overflow cover at the periphery of the water injection hole, and the overflow cover is arranged on the outside of the water outlet end, the overflow cover guides the water flow of the water injection, realizes the water flow is introduced into the ice making grid and blocks the splashing water, so as to avoid the water splashing onto the mounting frame during the process of injecting the water from the water injection pipe into the ice making grid, eliminates the problem of freezing of the mounting frame, and ensures the water injection efficiency and water injection stability.

The invention discloses a refrigerator defrosting control method based on BP (Back Propagation) neural network and fuzzy control coupling, which is characterized by comprising the following steps: realizing deep perception of dynamic characteristics of a refrigerating system through data-driven modeling: learning actual data signals of a compressor and an evaporator by the BP neural network, and indirectly estimating recessive parameters such as refrigerant charge and frost layer form distribution; and the fuzzy controller dynamically adjusts a defrosting strategy according to a neural network prediction result, and collaborative optimization of refrigeration cycle parameters and the frosting process is achieved. Environment parameters are learned online through a neural network, and the fuzzy rule base is optimized in real time; the neural network directly maps bottom layer physical characteristics such as a compressor operation mode and evaporator structure parameters, and outputs a dynamic compensation signal; and the model is continuously iterated by accumulating historical data to adapt to regional / seasonal differences.

The invention belongs to the technical field of refrigeration, and discloses an intelligent control method and system for small refrigeration equipment. On one hand, working condition parameters and operation parameters are monitored through various sensors, and a multi-dimensional database is established; establishing an agent model of the refrigeration equipment based on the multi-dimensional database, and performing intelligent matching control on the operation of a compressor and a fan in combination with real-time monitoring data; and on the other hand, a bid evaluation index of the period COPcyc is established to comprehensively measure energy loss in the refrigeration period and the defrosting period, the indicated defrosting amount is determined, and defrosting is started when the accumulated frosting amount reaches the indicated defrosting amount. On the basis that the refrigeration requirement of the refrigeration space is met, the temperature control precision in the refrigeration space is improved by optimizing part operation, inhibiting frost layer growth and starting defrosting according to needs, the operation energy consumption of the refrigeration equipment is reduced, and a new thought and method are provided for precise temperature control and energy conservation of the refrigeration equipment.

The invention relates to a defrosting refrigerating system and a refrigerator and a control method thereof, and belongs to the technical field of refrigerating systems.The defrosting refrigerating system comprises a compressor, a three-way pipe is connected to an outlet of the compressor, and the outlet of the compressor is connected to the first end of the three-way pipe; the condensation assembly inlet is connected to the second end of the three-way pipe; the throttling assembly inlet is connected to the condensation assembly outlet and comprises a first capillary tube and a second capillary tube which are connected in parallel. The first evaporator inlet is connected to the first capillary outlet, and the first evaporator is installed between the outer side of an inner container of the refrigerator and a foaming layer; the second evaporator is mounted in the box on the inner side of the refrigerator liner, an inlet of the second evaporator is simultaneously connected with an outlet of the second capillary and a third end of the three-way pipe, and an outlet of the first evaporator and an outlet of the second evaporator are combined and connected to an inlet end of the compressor; and a normally closed electromagnetic valve is also arranged between the second evaporator and the three-way pipe. According to the defrosting refrigerating system, the manufacturing cost and maintenance difficulty of the system can be reduced, and meanwhile the problem of high failure rate is avoided.

The invention relates to the technical field of dehumidification heat pumps, and particularly discloses a dehumidification heat pump unit with a chlorine and carbon dioxide detection function, which comprises a case, and an air inlet device, a fresh air device, an exhaust device, a heat exchange device and an air supply device which are arranged in the case, and further comprises a PLC (Programmable Logic Controller) control system and an integrated gas detection device electrically matched with the PLC control system; the integrated gas detection device is used in cooperation with the air inlet device and the heat exchange device, the integrated gas detection device comprises a chlorine gas detection module and a carbon dioxide detection module, and the heat exchange device comprises a compressor, an evaporator and a condenser; the PLC control system is electrically connected with the integrated gas detection device, the compressor, the fresh air device and the exhaust device and used for receiving chlorine and carbon dioxide concentration signals detected by the chlorine detection module and the carbon dioxide detection module. The fresh air device is regulated to increase the fresh air introduction amount and start the exhaust device to accelerate exhaust of waste gas in the swimming pool.

The invention discloses a broiler processing workshop refrigeration house suspended ceiling air cooler which comprises an air cooler body, a suspended ceiling device is installed above the air cooler body, a machine body shell is arranged in the air cooler body, a plurality of protective covers are installed on the surface of the machine body shell, draught fans cover the protective covers, a controller is arranged beside one protective cover, and a dustproof net rotary connection base is embedded outside the protective cover. A water guiding assembly is fixed to the bottom of the machine body shell, even number of auxiliary hanging rods are installed on the surface of the machine body shell, even number of connecting hanging lugs are arranged on the two sides of the machine body shell, and a turbulent flow device is nested in the top of the machine body shell. A cover plate is arranged in the turbulent flow device, and an even number of shaft fixing seats are evenly installed on the two sides of the cover plate. The turbulent flow device is installed on the machine body shell, and the turbulent flow device is made to be perpendicular to the fin planes, so that under the driving of airflow impact, the turbulent flow pieces generate elastic deformation in the fixing base, surrounding air is driven to form local turbulent flow, the continuity of a condensed water film is destroyed, and the frost crystal nucleation and growth rate is delayed; and the stability of the warehouse temperature is indirectly guaranteed.

A frame for a refrigerated enclosure includes a frame segment having, in cross-section, a main frame member including a base, a middle wall, and a forward flange. The forward flange of the main frame member absorbs heat from the ambient air to increase a temperature of one or more locations of the frame segment or a door of the refrigerated enclosure.

The invention discloses a defrosting control method and system for a refrigerating unit, and relates to the related field of defrosting control technology.The method comprises the steps that multiple intelligent sensors are installed at key parts of the refrigerating unit, temperature, humidity and air volume data are collected in real time, and a camera is installed to shoot the actual situation of a frost layer; the collected data are preprocessed, and multi-modal data of the refrigerating unit are obtained; the deep learning model is applied to analyze multi-modal data of the refrigerating unit, and defrosting requirements and areas are predicted; according to the model prediction result, the defrosting mode and the dripping duration of the refrigerating unit are dynamically adjusted; and the real-time defrosting condition of the refrigerating unit and the environment data change trend are monitored, and model training data and related parameters are updated. The technical problems that according to an existing defrosting control method, the defrosting time cannot be dynamically adjusted according to the actual frost layer condition, the defrosting control precision is insufficient, and the efficiency is low are solved, and the technical effects that the defrosting control intelligent level is improved, and the defrosting control precision and efficiency are improved are achieved.

A refrigerator may include: a body including an upper wall, a compartment in the body, a door to open or close the compartment, a thermoelectric element on the upper wall and including: a heating portion which generates heat and faces upward and a cooling portion which absorbs heat and faces downward, a cooling sink including a base contacting the cooling portion, and fins protruding from the base perpendicular to a lower surface of the base and extending parallel to the lower surface of the base so that the cooling sink is cooled by the cooling portion, a fan on the upper wall to blow air toward the fins so that the air is cooled, and a duct on the upper wall to guide the air into the compartment.

According to the refrigerator and the control method thereof, an air supply fan is arranged at the communicating position of an air return duct and an air supply duct, the air supply fan rotates reversely when the refrigerator starts defrosting, the air is blown from the air supply duct to the air return duct at the moment, and therefore hot air generated when a heater heats an evaporator cannot be blown to a storage chamber; and the refrigeration effect of the storage chamber in the defrosting stage is ensured. Besides, the air supply duct and the air return duct are each internally provided with a pressure sensor, whether the pressure is balanced or not is determined by detecting the pressure difference of the two air ducts, when the pressure difference is large, it is indicated that the pressure of the air return duct is large due to heating of the heater, at the moment, the pressure difference between the two air ducts is large, and therefore the reverse rotation speed needs to be increased; according to the embodiment, the reverse rotation speed of the air supply fan is adjusted according to the pressure difference, electric energy is saved, meanwhile, hot air generated when the heater heats the evaporator can be prevented from being blown to the storage chamber, and the refrigeration effect of the storage chamber in the defrosting stage is guaranteed.

A refrigerator includes: a main body, a door rotationally or slidably installed at a front of the main body, at least one storage chamber configured to store items, a water tank arranged in the at least one storage chamber and configured to store water to be supplied to at least one water supply system, a water detection sensor configured to detect the water stored in the water tank, and at least one processor configured to, when the water stored in the water tank is detected for at least a certain period of time by the water detection sensor, control a first pump to discharge the water stored in the water tank onto an evaporation tray under a condenser in a machine room by using a discharge path for defrost water.

The utility model relates to the technical field of vehicle-mounted refrigerators, and provides a vehicle-mounted refrigerator circuit and a vehicle-mounted refrigerator, and the vehicle-mounted refrigerator circuit comprises an input connection module which is used for being connected with a vehicle-mounted power supply; the input end of the boosting module is connected with the input connection module; the output end of the boosting module is connected with the defrosting driving module, and the defrosting driving module is used for being connected with a defrosting heater; and the output end of the boosting module is connected with the main control module, and the main control module is connected with the controlled end of the defrosting driving module. The output voltage is boosted to the preset voltage through boosting processing of the boosting module, the effect of adapting to different vehicle-mounted power supplies is achieved, meanwhile, the voltage is increased through boosting processing, the resistance requirement for the defrosting heater is reduced, the defrosting heater of a general household refrigerator model is facilitated, universality is improved, the output voltage of the boosting module is maintained at the preset voltage, and the practicability is high. The power of the defrosting heater is stable, fluctuation is avoided, and the frost stabilizing effect is facilitated.

The invention provides a refrigeration house multi-fan intelligent cooperative defrosting control system and method. The refrigeration house multi-fan intelligent cooperative defrosting control system comprises an air-cooled condenser, a throttling valve, a compressor, a refrigerating chamber, a bypass valve, an air speed sensor, a temperature and humidity sensor, a temperature sensor, a pressure sensor, a flow meter, an air cooler tail end evaporator, data acquisition equipment, a central processing unit and a control output port. According to the cold storage scene that hot gas bypass defrosting is adopted, and one refrigerating unit is provided with a plurality of air coolers, the ratio (COP) of the accumulated refrigerating capacity to the total energy consumption in the operation period of each air cooler is calculated. And a comprehensive performance coefficient dynamic model of the air cooler is constructed by combining the temperature difference between the air supply and the air return, so that optimal energy efficiency of the air cooler and multi-fan defrosting control are realized. Compared with the prior art, the defrosting control logic is reconstructed from the perspective of the performance coefficient of the air cooler, the frosting condition of the surface of the evaporator at the tail end of the multiple fans of the refrigeration house can be accurately judged, it is ensured that the unit maintains high efficiency in the operation process, and development of the efficient and energy-saving control technology of a refrigeration house refrigerating system is facilitated.

The present disclosure is directed to devices, systems, and products for attracting, capturing and converting atmospheric water vapor into useful liquid water utilizing thermal dynamic processes such as deposition, phase change states and fusion.

The invention belongs to the technical field of refrigerator refrigerating systems, and discloses a new-function turbulent flow fan which comprises an air duct, a centrifugal fan, an axial flow fan and an evaporator. The centrifugal fan is arranged in an internal air cavity of the air duct; the axial flow fan is arranged outside the air inlet of the air duct through a bracket in a posture that the axis of an impeller is vertical to the horizontal plane; the system of the turbulent flow fan is configured as follows: when the refrigerator works normally for refrigeration, the centrifugal fan is controlled to operate and the axial flow fan stops rotating, so that air flow is sucked in from the air duct air inlet and exhausted from the air duct air outlet; the support type axial flow fan is installed at the air inlet of the air duct, intelligent switching of the working modes of the refrigerator is achieved, the axial flow fan constructs an air curtain for preventing hot air from entering the air duct at the air inlet of the air duct, the problem that warm flow intrudes into the refrigerator body in the defrosting process is successfully solved, the temperature of an inner container of the refrigerator body is kept stable in the defrosting process of the refrigerator, and the service life of the refrigerator is prolonged. No extra refrigeration is needed to counteract the warm flow influence, and the total energy consumption of the refrigerator is reduced.

The invention is suitable for the technical field of refrigerators, and provides a refrigerator defrosting control method, system, equipment and device.The refrigerator defrosting control method comprises the steps that a linear regression model is built based on historical refrigerator external environment temperature and historical door opening frequency data, and temperature threshold data and frequency threshold data are obtained; a refrigerator early warning signal is obtained by monitoring the temperature change trend and the frequency change trend of the refrigerator in a unit time area in real time; based on the refrigerator early warning signal, the frosting speed in the refrigerator is calculated; dynamically adjusting defrosting parameters of the refrigerator through a dynamic adjustment algorithm; on the basis of the defrosting parameters, the defrosting program of the refrigerator is started, the operation data of the defrosting program is recorded, on the basis of the operation data, the dynamic adjustment algorithm is optimized, the defrosting control strategy is generated, the defrosting process is accurately controlled, unnecessary energy consumption and refrigerant waste are avoided, energy consumption and emission of the refrigerator can be reduced, and the refrigerating efficiency of the refrigerator is improved. Therefore, the use experience and satisfaction degree of the user are improved, and the operation burden and maintenance cost of the user are reduced.

The invention relates to the technical field of heat pump units, in particular to a swimming pool heat pump unit with a self-adaptive defrosting function, which comprises a case body, a compressor, a condenser and a fin heat exchanger are arranged in the case body, the swimming pool heat pump unit further comprises a spray pipe, a defrosting water pump and a water pan, and the spray pipe is used for spraying water to the surface of the fin heat exchanger; the water inlet end of the defrosting water pump is connected with a water outlet of the condenser, and the water outlet end of the defrosting water pump is connected with the spraying pipe through a pipeline. The water pan is arranged below the fin type heat exchanger, and the bottom of the water pan is connected with a water inlet of the condenser through a pipeline. Water heated by the condenser is guided to the spraying pipe, then warm water is sprayed to the fin type heat exchanger through the spraying pipe to achieve defrosting, manual intervention is not needed, heat sources can be saved, and the low-power-consumption defrosting effect is achieved.

The utility model provides a refrigeration appliance which comprises a box body, a storage chamber is formed in the box body, the storage chamber comprises a freezing chamber and / or a variable temperature chamber, an ice making chamber is arranged in the freezing chamber or the variable temperature chamber, the ice making chamber is isolated from the freezing chamber or the variable temperature chamber through cold air, and an ice maker is installed in the ice making chamber; the refrigeration appliance further comprises a storage evaporator and an ice-making heat exchanger, the storage evaporator is used for providing cooling capacity for the freezing chamber and / or the temperature changing chamber, and the ice-making heat exchanger is used for providing cooling capacity for the ice-making chamber.

A novel self-cooling food product container apparatus (10) and a process for manufacturing the same is disclosed. A self-cooling food product container (20) combined with a substantive vapor transport system producing a humidification cooling process for cooling food and beverage products P. Methods of assembling and operating the apparatus (10) are also provided.

The utility model relates to refrigeration equipment, which comprises a box body, a refrigeration chamber and an evaporation bin are formed in the refrigerator body; an evaporator is arranged in the evaporation bin; the drain pipe is arranged in the box body, and the upper end of the drain pipe is communicated with the evaporation bin; the water receiving box is arranged below the drainage pipe, and a water receiving cavity is formed in the water receiving box; the lifting mechanism comprises a lifting cover and a driving part; the lifting cover is arranged below the drainage pipe and connected with the driving end of the driving part, and the driving part can drive the lifting cover to ascend or descend so that the top face of the lifting cover can block or open the lower end opening of the drainage pipe. According to the refrigeration equipment, when water vapor in the water receiving cavity flows back to the evaporation bin through the drainage pipe, the water vapor flowing back to the evaporation bin can be prevented from frosting again on the evaporator, the frosting amount on the evaporator can be reduced, the starting interval of a defrosting program of the evaporator can be prolonged, and the defrosting efficiency of the evaporator is improved. And therefore, the power consumption of the refrigeration equipment can be reduced.

The invention provides a defrosting method and device of an air conditioner, a computer program product and an air conditioning system.The air conditioner comprises an outdoor unit, the outdoor unit comprises an outdoor heat exchanger and a plurality of heaters located on the outdoor heat exchanger, and the method comprises the steps that obtaining is conducted, specifically, the thicknesses of a plurality of frost layers are obtained in real time, the thicknesses of the frost layers are the thicknesses of the frost layers on the corresponding areas of the outdoor heat exchanger; in the first control step, under the condition that the thicknesses of all the frost layers are larger than or equal to a first threshold value, the air conditioner is controlled to enter a defrosting mode, and the defrosting mode is a mode that the air conditioner enters a refrigeration state and a fan does not work; and a second control step, under the condition that the thickness of part of the frost layer is larger than or equal to the first threshold value, the target heater is controlled to conduct defrosting, the target heater is a heater on the area corresponding to the thickness of the frost layer larger than or equal to the first threshold value, and the problem that in the prior art, the user experience is affected due to the fact that a defrosting mode is frequently entered is solved.

The invention discloses a control method for defrosting of a parallel flow evaporator, which comprises the following steps of: constructing a multi-dimensional state sensing network, constructing a three-dimensional state sensing matrix by utilizing a distributed temperature sensor array on the surface of an evaporator coil, an air inlet humidity sensor and an inlet and outlet differential pressure type pressure sensor, and acquiring information such as temperature distribution, environment humidity and air pressure difference; through dynamic threshold self-adaptive judgment, based on an environment temperature field, the historical temperature of an evaporator and an icing critical temperature field calculated by a time sequence prediction model, the defrosting triggering condition is judged by combining humidity and an air pressure difference change gradient field; gradient type energy injection defrosting is adopted, in the first-stage defrosting process, the refrigerant flow is adjusted through a proportional electromagnetic valve to conduct directional defrosting, and in the second-stage defrosting process, a compressor is closed, a fin gap shape memory alloy heating network is activated, and latent heat of a phase change material is released to conduct uniform defrosting. And performing multi-physical field cooperative regulation and control, constructing a coupling model, and adjusting the heating power and pulse modulation duty ratio sequence.

The invention discloses a refrigerator and an operation energy consumption estimation method thereof, and the method comprises the steps: obtaining the current operation state data of the refrigerator in the operation process of the refrigerator, determining the current operation mode of the refrigerator, constructing a feature vector corresponding to the operation mode according to the operation state data, and calculating the operation energy consumption of the refrigerator; and inputting the feature vector into an electric energy reasoning model which corresponds to the operation mode and is obtained through deep learning pre-training so as to estimate the electric energy consumption of the refrigerator in the previous electric energy detection period. By adopting the embodiment of the invention, the corresponding feature vector and the electric energy reasoning model can be determined according to the operation mode of the refrigerator, reasoning calculation of the operation energy consumption is realized by using the operation state data generated in the operation process of the refrigerator, and the accuracy of energy consumption estimation is improved.