3475results 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

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.

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 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 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.

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.

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 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 relates to the technical field of refrigeration control of refrigeration houses, and discloses a clustered defrosting control method based on EC motor refrigeration houses, which is applied to a refrigeration house cluster (N is greater than or equal to 3) consisting of N air coolers carrying EC motors, and each EC motor is provided with an input power detection device. The clustered defrosting control method comprises the following steps that S1, after a cold storage cluster is started, a defrosting detection initialization stage is started; an input power detection device of an EC motor is utilized, the defrosting requirement is judged through initial fixed rotating speed power detection and periodic power comparison, then according to the real-time temperature of the refrigeration house and the frosting degree of each air cooler, the defrosting task is allocated according to needs, and only the air coolers meeting the defrosting threshold value are started for defrosting. And meanwhile, other air coolers are kept in a refrigeration state to stabilize the warehouse temperature, a traditional grouping defrosting mode is not needed, the operation efficiency of a cold storage cluster and the warehouse temperature stability are improved, and energy consumption is reduced.

The broiler processing refrigeration warehouse comprises a refrigeration warehouse body, a warehouse door is installed on the surface of the refrigeration warehouse body, a controller is arranged on one side of the warehouse door, a gas tank is arranged outside the refrigeration warehouse body, a transmission device is arranged on the other side of the warehouse door, and a temperature sensor is installed beside the transmission device; an in-warehouse bin is formed in the refrigeration warehouse, a partition layer is installed in the in-warehouse bin, a door groove is formed in the wall of the in-warehouse bin, a ladder stand is erected on the partition layer, refrigeration equipment is installed in the in-warehouse bin, and a refrigeration evaporator is placed beside the refrigeration equipment. In the using process, the transmission device is started, and the transmission shaft drives the linkage screw to rotate; the linkage screw drives the first cam on the linkage screw to rotate, then the second cam is pushed through the linkage effect, the movement of the second cam promotes the bracket plate to do vertical displacement along the limiting sliding rod, and finally the scraping cover is driven to scrape and remove ice blocks on the fins. The process can effectively avoid the problem that the heat exchange efficiency is greatly reduced due to the fact that ice accumulated between the fins hinders airflow.

The invention discloses a refrigerator control method and device, a refrigerator, electronic equipment and a storage medium. The method comprises the following steps: detecting a temperature sensor fault; the current operation condition corresponding to the fault sensor is determined, a temperature adjusting function of the refrigerator under the current operation condition is matched at a cloud end and serves as a target function, the cloud end carries out fitting according to normal operation data of refrigerators of the same model to obtain temperature adjusting functions under different operation conditions, and the temperature adjusting functions are used as the target function. The temperature adjusting function is used for representing the relation between a temperature parameter and time, and the temperature parameter is the chamber temperature or the defrosting temperature; calculating target time based on the target function; and after the refrigerator is controlled to operate for the target time under the current operation condition, entering a new operation condition and re-matching the target function, and repeating the steps until the fault sensor returns to normal. The refrigerator can be accurately controlled to operate on the basis of the temperature adjusting function when the refrigerator temperature sensor breaks down.

The invention discloses a heat exchange system of a battery swap station and the battery swap station. The heat exchange system of the battery swap station comprises a refrigerant loop, a cooling device and a secondary refrigerant loop. The refrigerant loop comprises an inverter compressor, a throttler and at least two heat exchangers; the cooling device is arranged in the refrigerant loop, is arranged between the exhaust end of the inverter compressor and the input end of the throttler, is arranged corresponding to a frequency converter of the inverter compressor, and is used for cooling the frequency converter by using a refrigerant; the secondary refrigerant loop is arranged corresponding to a battery pack of the battery swap station and used for conveying a secondary refrigerant, and the secondary refrigerant of the secondary refrigerant loop exchanges heat with a refrigerant through at least one heat exchanger so as to adjust the temperature of the battery pack. By means of the mode, the temperature of the battery pack of the battery swap station can be effectively adjusted, and the frequency converter of the frequency conversion compressor can be effectively cooled.

A refrigerator may include: a storage compartment; a cooling sink (CS); a thermoelectric element including a cooling layer contacting the CS, the thermoelectric element configured to, based on a voltage pulse applied to the thermoelectric element, cool the cooling layer and thereby cool the CS; a fan controllable to generate an airflow to be cooled by the CS; a cooling duct covering the CS and fan, and configured to guide the airflow from the storage compartment to the CS and to accommodate defrost water generated by water, frozen by the CS, being defrosted; a temperature sensor to detect a temperature of the CS; and a processor configured to: control the cooling fan to evaporate the defrost water, and perform an anti-freezing control so that the defrost water does not freeze, the anti-freezing control including adjusting a duty ratio of the voltage pulse based on the detected temperature of the CS.

The invention provides an air source heat pump unit with an intelligent defrosting function, and belongs to the technical field of heat pump units. Comprising a unit box, the two ends of the inner side of the unit box are fixedly connected with fixing plates, the tops of the two fixing plates are fixedly connected with the same evaporator, the bottom of the evaporator fixedly communicates with a discharge pipe, and the bottoms of the two fixing plates are fixedly connected with the same fixing seat. By arranging the temperature sensor, the flow dividing valve, the air pipe, the defrosting spray head and the flow blocking cover, when the temperature sensor detects that the temperature of the outer side of the evaporator is lower than a certain degree, part of hot steam output downwards from the interior of the connecting pipe is divided through the flow dividing valve, and then the hot steam is sprayed out of the evaporator through the air pipe and the defrosting spray head; and hot steam is guided through the flow blocking cover to flow on the outer side of the evaporator, a frost layer condensed on the outer side of the evaporator is automatically eliminated, the intelligent defrosting effect of the device is achieved, and the practicability of the device is improved.

The invention belongs to the technical field of air source heat pumps, and particularly relates to a defrosting device for an air source heat pump unit, which comprises a heat pump unit body, a movable seat is arranged on one side of the heat pump unit body, and two movable rollers are rotatably connected below the movable seat; and the defrosting mechanism is used for increasing the air speed of hot air in the defrosting process and enabling the hot air to impact the surfaces of the fins in the inclined direction, the defrosting mechanism comprises a fixed guide rail fixedly connected to the upper portion of the movable base, and a sliding block is slidably connected into the fixed guide rail in the vertical direction. By arranging the defrosting mechanism, in the defrosting process, hot air in the rotating process can be obliquely sprayed out from the ventilation holes and impacts on the surfaces of the fins, the obliquely sprayed hot air can increase the force impacting on the surfaces of the fins under the action of centrifugal force, meanwhile, the oblique hot air can achieve the effect similar to'shoveling ', and the defrosting efficiency is improved.

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 present invention discloses a high-efficiency spiral food quick-freezing machine, which includes a processing chamber, a condensation component arranged in the processing chamber, and two spiral conveyors used in cooperation. An evaporator is sleeved on the outer circumferences of the two spiral conveyors. The present invention relates to the technical field of quick-freezing processing. The high-efficiency spiral food quick-freezing machine and its use method, through the cooperation of a reciprocating driving component and a defrosting component, wipe the surface of the spiral heat exchange tube reciprocally to remove frost. During the defrosting process, the defrosting component is arranged in a stepped manner to ensure that the frost wiped from the spiral heat exchange tube can smoothly fall into the bottom of the inner cavity of the heat exchange cavity, so as to achieve the effect of effectively separating the fallen frost from the spiral heat exchange tube. And under the cooperation of a blocking component and a fallen frost cleaning component, the fallen frost at the bottom of the inner cavity of the heat exchange cavity is accumulated and cleaned into an isolation cavity. Through the blocking of the frost passing port by the blocking component, the influence of the accumulated fallen frost on the temperature of the heat exchange tube is further avoided.

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 invention provides a refrigerating system, a refrigerating device and a control method thereof.The refrigerating system comprises a refrigerating loop, the refrigerating loop comprises a compressor, a condenser, a dew removal pipe set, a drying filter, a throttling assembly and an evaporator which are connected in sequence, and the dew removal pipe set comprises a first dew removal pipe and a second dew removal pipe which are arranged in parallel; the throttling assembly comprises a first capillary tube and a second capillary tube which are arranged in parallel, and the length of the first dew removable tube is 1t; the length of the second dew removable tube and the inner diameter of the first capillary tube are gt; and the inner diameter of the second capillary tube. Compared with the prior art, by arranging the two dew removing pipes with different lengths in parallel and arranging the capillary pipes with different inner diameters in parallel, a refrigerant flow path and the flow of refrigerants flowing through the capillary pipes can be selectively controlled according to the operation condition of the refrigerator and the environment condition, so that the heat load of the refrigerating device is reduced, and the refrigerating efficiency is improved. The energy consumption is reduced.

The invention relates to the technical field of refrigerator control, in particular to a double-temperature-zone refrigerator temperature control method and a refrigerator, and the method comprises the steps: obtaining a temperature value and a target temperature value of each temperature control zone, and setting a state vector of each temperature control zone; according to the state vector of each temperature control subarea, determining an initial control strategy of each temperature control subarea according to the air circulation condition in the temperature control subarea; traversing the initial control strategy according to the actual operation time of the initial control strategy, and checking the strategy interaction degree of each temperature control partition; extracting a phase difference condition of each temperature control subarea under the strategy interaction degree, and identifying a control adjustment mode of the current temperature control subarea according to an execution time length value under the phase difference condition; based on the target adjustment temperature of the control adjustment mode, checking the resource matching degree of each temperature control partition, and outputting an adjusted control strategy corresponding to each temperature control partition according to the resource matching degree; efficiency and accuracy of temperature control of the double-temperature-zone refrigerator are achieved.

The invention discloses a refrigerator and a vehicle, relates to the technical field of refrigeration equipment, and is used for solving the technical problem that an existing refrigerator cannot meet user requirements, the refrigerator comprises a box body, a refrigerant circulation system and an ice making assembly, and a first containing space and a second containing space are formed in the box body in a spaced mode; the ice making assembly is arranged in the first accommodating space; and a part of the refrigerant circulating system is connected with the ice making assembly and is suitable for providing cold energy for the ice making assembly, and a part of the refrigerant circulating system is also suitable for providing cold energy for the second accommodating space.

The utility model relates to a temperature control device with double refrigerating systems. The temperature control device comprises a first chamber, a second chamber, a first refrigerating unit, a second refrigerating unit and an electrical control system, wherein the first air outlet electric air door, the first air outlet, the third air outlet and the third air outlet electric air door are sequentially connected, and the first air outlet and the third air outlet are further connected with the air outlet of the first chamber; the second air outlet electric air door, the second air outlet, the fourth air outlet and the fourth air outlet electric air door are connected in sequence; the second air outlet and the fourth air outlet are further connected with the air outlet of the second chamber; the first return air inlet electric air door, the first return air inlet, the third return air inlet and the third return air inlet electric air door are sequentially connected, and the first return air inlet and the third return air inlet are further connected with the return air inlet of the first chamber; the second return air inlet electric air door, the second return air inlet, the fourth return air inlet and the fourth return air inlet electric air door are sequentially connected, and the second return air inlet and the fourth return air inlet are further connected with the return air inlet of the second chamber.

To provide a refrigeration cycle device having a structure in preparation of such a case that a combustible refrigerant leaks.SOLUTION: A refrigeration cycle device includes: a housing 22 provided with an internal space; a partition plate 36 provided in the housing 22 and partitioning the internal space to a blowing chamber R1 and a machine chamber R2; a heat exchanger 24 disposed in the blowing chamber R1; a fan disposed in the blowing chamber R1; and a compressor disposed in the machine chamber R2, compressing a combustible refrigerant heavier than air, and discharging the compressed refrigerant. The housing 22 is provided with a refrigerant discharge hole 22b making the lower part of the machine chamber R2 communicate with the outer part of the housing 22. In addition to the refrigerant discharge hole 22b, a through hole or a gap making the machine chamber R2 communicate with the outer part of the housing 22 exists in the housing 22. A flow passage cross-sectional area of the refrigerant discharge hole 22b is larger than a flow passage cross-sectional area of each of the through hole or the gap other than the refrigerant discharge hole 22b.SELECTED DRAWING: Figure 2

The present application discloses an ice-moving device and a refrigeration device, wherein the ice-moving device comprises: an ice-moving portion, wherein the ice-moving portion is formed with an ice-moving inlet, an ice-moving chamber, and an ice-moving outlet that are interconnected; an ice-moving channel, which is connected to the ice-moving chamber through the ice-moving outlet and is used to connect to an ice-taking assembly; a main rotating member, wherein the main rotating member is rotatably arranged in the ice-moving chamber, wherein the ice-moving inlet and the ice-moving outlet are located on the periphery of the main rotating member, wherein the main rotating member is rotatable in a first direction and carries ice cubes that enter the ice-moving chamber from the ice-moving inlet and are thrown out from the ice-moving outlet to the ice-moving channel. Since the main rotating member can rotate continuously at a certain speed, ice cubes that come out of the ice-making assembly can be continuously and quickly thrown to the ice-taking assembly, the ice cubes move quickly, the ice-taking efficiency is high, and quick and continuous ice-taking is achieved, the waiting time for users to take ice is short, and the ice cubes are not easy to melt, the ice cubes are of high quality, and the ice cubes are not easy to melt and stick together.

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.