2656results about "Ice storing/distribution" patented technology

The present disclosure generally relates to workstation sinks and related accessories. More specifically, the present disclosure relates to workstation sinks designed for use with several different sink and kitchen accessories to create a functional sink workplace. One example is a workstation sink system having a faucet, a basin, and one or more accessories configured for use in the basin or neighboring countertops and ledges. Another example is a workstation sink accessory kit containing two or more accessories for use with a basin or neighboring countertops and ledges. A user may select any number of accessories their particular kitchen and sink needs.

Proposed is an ice maker disposed in a refrigerator to provide ice to an ice bucket. The ice maker may include a tray configured to be filled with water and positioned in the ice maker to freeze the water to make ice, the tray includes a high thermal conductive composite material configured to emit heat in response to an electric current supplied thereto; a tray cap connected to top of the tray to reduce an area of top of the tray so that the water filled in the tray is prevented from overflowing because of the inertia generated by the movement of the tray; a frame assembly connected to the tray; electrodes connected to both sides of the tray, respectively; and a motor connected to the tray to rotate the tray so that the ice is separated from the tray by gravity.

The utility model discloses a household snow melting machine which comprises a stirring assembly and a refrigerating assembly, the stirring assembly comprises a protective cover, a driving motor and a scraper, the refrigerating assembly comprises an evaporator, the evaporator is arranged on the side portion of the driving motor and connected with the protective cover, the stirring assembly further comprises a sealing ring, and the sealing ring is arranged on the side portion of the driving motor and connected with the scraper. The sealing ring comprises an inner sealing ring, a sealing outer ring and a sealing inner ring, the sealing outer ring and the sealing inner ring are arranged on the front side and the rear side of the inner sealing ring respectively, an inner ring plate is arranged at the end of the protection cover, the evaporator penetrates through the inner ring plate, the sealing outer ring abuts against the surface of the side, close to the evaporator, of the inner ring plate, and the sealing outer ring abuts against the surface of the side, close to the evaporator, of the inner ring plate. The sealing inner ring abuts against the surface of the side, close to the driving piece, of the inner ring plate, and the inner sealing ring is arranged at the joint of the inner ring plate and the outer wall of the evaporator. According to the utility model, the sealing performance and the waterproofness can be improved, water seepage and oil seepage are prevented, potential safety hazards are avoided, and the service life is prolonged.

An ice cube blocking structure and an ice cube making device. The ice cube blocking structure is provided in an ice cube storage tank, and a rotating disc is further provided in the ice cube storage tank; the ice cube blocking structure comprises a body portion and an ice cube blocking portion; the body portion is connected to the ice cube storage tank; and the ice cube blocking portion is connected to the body portion, the ice cube blocking portion is arranged between a rotating disc rotary region of the rotating disc and ice cubes stored in the ice cube storage tank, and the ice cube blocking portion is used for separating the rotating disc rotary region from the ice cubes.

The present application discloses a refrigeration device, wherein the ice moving device includes a box body, a first refrigeration compartment, a second refrigeration compartment, an ice-making assembly, an ice-taking assembly, and an ice-moving assembly. The ice-making assembly is arranged in the first refrigeration compartment; the ice-taking assembly is arranged on the second door body; the ice-moving device includes an ice-moving channel, an ice-moving part, and an ice-moving assembly. The ice-moving part is arranged in the first refrigeration compartment, and the ice-moving channel includes a first sub-channel and a second sub-channel connected in sequence. The second sub-channel is arranged in the second door body and connected to the ice-taking assembly. The first sub-channel is connected to the ice-moving part, and the ice-moving assembly drives the ice cubes from the ice-moving part to the ice-moving channel. The refrigeration device of the present application avoids occupying the space of the second refrigeration compartment by making and storing ice in the second refrigeration compartment. By arranging the second sub-channel in the second door body, the internal space of the second refrigeration compartment is not occupied, thereby further improving the volume ratio of the refrigeration device. The refrigeration device also includes a sealing assembly that can isolate the first refrigeration compartment and the second refrigeration compartment when ice is not being moved.

The efficient horizontal snow melting machine comprises an outer shell, an ice making assembly, an ice discharging assembly and a refrigerating system, the ice making assembly comprises an ice making shell, an ice making cup, an ice scraping knife and a synchronous motor, and the ice making shell is arranged at the top of the outer shell; according to the snow melting machine, the water storage cavity is arranged to convey water to the ice making shell, then the refrigerating system is arranged to cool the water in the ice making shell to form ice, then the ice is converted into smoothie through the ice making cup, the ice scraping knife and the synchronous motor of the ice making assembly, and finally the smoothie is output through the ice outlet assembly, so that efficient smoothie production is achieved, the overall structure is practical and reliable, and the snow melting machine is convenient to use. The operation is simple.

The utility model discloses a heat pipe and heat pump snow melting assembly utilizing a ground source, and belongs to the technical field of geothermal utilization. The underground buried pipe heat removal unit comprises a solution circulating pump, a circulating pipeline I, a U-shaped buried pipe type heat exchanger and measuring equipment I; an outlet end of the solution circulating pump is communicated with an inlet of the U-shaped buried tubular heat exchanger, the U-shaped buried tubular heat exchanger is pre-buried underground, and an outlet of the U-shaped buried tubular heat exchanger is communicated with an inlet of an evaporator heating chamber of the heat pump unit through the first measuring device. An outlet of an evaporator heating chamber of the heat pump unit is communicated with an inlet of the solution circulating pump through a first circulating pipeline. The composite pavement unit is heated by utilizing heat of a ground source, so that the temperature of the composite pavement unit is increased to the snow melting temperature, the composite pavement unit has better environmental compatibility and friendliness, resources can be reasonably utilized, and the snow melting process is free of pollution and corrosion phenomena.

The invention discloses an LNG cold energy brine ice making device and method. The LNG cold energy brine ice making device comprises an LNG gasification system, a cold energy recovery system, an ice making and storing system and an ice unloading system. According to the LNG gasification system, LNG is gasified after exchanging heat with a refrigerant, and the refrigerant is cooled and enters the cold energy recovery system. In the cold energy recovery system, saline water exchanges heat with a low-temperature refrigerant and then is cooled to circularly supply cold to the ice-making and ice-storing system; according to the ice making and storing system, ice making water in an ice mold exchanges heat with low-temperature saline water in an ice making pool to be cooled to form ice blocks, the ice blocks are stored in the ice making pool when the ice does not need to be discharged, and integration of ice making and ice storage is achieved; according to the de-icing system, de-icing is carried out on an ice mold filled with ice blocks through a de-icing pool. Saline water ice making is carried out through LNG cold energy, energy saving and consumption reduction are achieved, and the ice block quality is improved; the device has the advantages of being high in automation degree, long in service life, small in occupied area, low in investment cost, high in cold energy utilization rate, high in ice making efficiency and the like.

The invention relates to the field of super-cooled water ice making, in particular to a super-cooled water ice making system capable of rapidly melting ice and an operation method of the super-cooled water ice making system. The ice making system comprises a supercooled water heat exchanger, a compressor, a condenser and a throttling device. The supercooled water heat exchanger internally comprises a coaxial spiral three-medium heat exchanger which comprises a first fluid channel and a second fluid channel. The first fluid channel is a tubular channel; the second fluid channel is a spiral channel wound on the first fluid channel and is thermally coupled with the first fluid channel; the supercooled water heat exchanger, the compressor, the condenser and the throttling device are communicated through a first refrigerant loop. When supercooled water is prepared, the first fluid channel exchanges heat with a refrigerant in a shell pass of the supercooled water heat exchanger to prepare low-temperature supercooled water; in the ice melting state, exhaust of the compressor of the unit enters the second fluid channel and exchanges heat with the first fluid channel to achieve ice melting. The supercooled water ice-making system provided by the invention can realize quick ice melting, and ensures stable, efficient and continuous preparation of supercooled water.

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

An icemaker appliance is provided, the icemaker appliance including an upper reservoir positioned above a lower reservoir along a vertical axis. The upper reservoir is positioned at least partially overlapping an icemaking vessel along the vertical axis. A pump is configured to flow water through a first conduit from the lower reservoir. A second conduit fluidly couples the pump to the upper reservoir. A supply conduit is fluidly coupled the upper reservoir to the icemaking vessel.

The present invention discloses a fully automated cubic ice cutting machine, which comprises a frame, a sliding plate and an ice loading tooling assembly; the sliding plate is obliquely installed on the frame through a translation assembly; the sliding plate horizontally moves on the frame through the translation assembly; a first sawing assembly is arranged at the right end of the middle part of the back surface of the sliding plate; a second sawing assembly is arranged at the upper part of the back surface of the sliding plate; a third sawing assembly is arranged at the left end of the middle part of the back surface of the sliding plate; the third sawing assembly is connected with a discharge chute; a waste material discharging assembly is arranged at the lower part of the back surface of the sliding plate; the ice loading tooling assembly is obliquely installed on the frame through a lifting assembly; the ice loading tooling assembly moves up and down on the frame through the lifting assembly; the working surface of the ice loading tooling assembly is parallel to the front surface of the sliding plate; the present invention automatically cuts ice cubes, has high processing efficiency, does not require manual operation, effectively reduces production costs, meets the production of large quantities of cubic ice, has good economic benefits, and is beneficial to the development of enterprises.

A refrigerator appliance includes a cabinet defining a chilled chamber, a door rotatably mounted to the cabinet and rotatable between a closed position enclosing the chilled chamber and an open position providing access to the chilled chamber, an icemaker mounted to the door, and an ice storage system for storing ice produced by the icemaker. The ice storage system includes a door-mounted ice bucket positioned below the icemaker for storing the ice formed by the icemaker; an ice storage drawer positioned within the chilled chamber, and a damper mounted at a bottom end of the door-mounted ice bucket, the damper being movable between a closed position to retain the ice within the door-mounted ice bucket and an open position to direct the ice into the ice storage drawer.

The present application discloses a refrigeration device. The refrigeration device includes: a box body, a first refrigeration compartment, a second refrigeration compartment, a first door body, a second door body, an ice-making assembly, an ice-taking assembly, an ice-transfer channel, and an ice-transfer assembly. Among them, the ice-transfer channel further includes a movable channel. A channel ice outlet is provided at one end of the first sub-channel close to the second sub-channel, and a channel ice inlet is provided at one end of the second sub-channel close to the first sub-channel. The movable channel is used to connect the channel ice outlet and the channel ice inlet. Since the first sub-channel and the second sub-channel are connected through the movable channel, the gap between the channel ice inlet and the channel ice outlet can be reduced or filled. Through the connection of the movable channel, the ice cubes can smoothly move from the first sub-channel to the second sub-channel, avoiding ice blockage, and the ice cubes do not need to be directly exposed to the external space during the process of moving from the first sub-channel to the second sub-channel, thus avoiding ice contamination.

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 invention discloses a quick-cooling ice-making table water purifying and drinking machine. A water refrigerating device comprises a cold container water inlet pump, a cold container, a compressor, a drying filter, a condenser, a cold container evaporator, a reversing electromagnetic valve and a cold container water outlet pump. The ice making device comprises an ice making upper shell, an ice mold evaporator, a compressor, an ice mold evaporator, a deicing electromagnetic valve, a funnel assembly and an ice block conveying assembly, two evaporators, namely a cold container evaporator and the ice mold evaporator are arranged, and pure water in a cold container is refrigerated to 1-2 DEG C through cooperation of the cold container evaporator; when ice blocks are needed, the funnel assembly in the cold container moves upwards, full cold water is conveyed to the ice making module, the ice making module is matched with the ice mold evaporator to make the ice blocks, the funnel assembly moves downwards, the ice block conveying assembly moves to the position below the ice making module, the ice blocks are conveyed out of the ice outlet after ice melting, the whole ice making process is completed within 50 seconds, and quick ice making through cooling and quick ice block making are achieved. The ice blocks are used when being made, and the problems that the ice blocks breed bacteria, and no ice is stored and condensed are effectively solved.

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 invention discloses an ice making module, ice making equipment, refrigeration equipment and a de-icing control method.The ice making module comprises an ice cube tray component, a refrigeration component and a vibration component, the ice cube tray component comprises one or more containing cavities, and the containing cavities are used for containing ice making liquid; the refrigeration part comprises one or more refrigeration units, and the containing cavity corresponds to the refrigeration units; the refrigeration units are arranged on the mounting outer surfaces of the corresponding accommodating cavities; the mounting outer surface belongs to the outer surface of the accommodating cavity, and the mounting outer surface is not in contact with the ice-making liquid; the vibration part is arranged on the mounting outer surface, and the vibration part and the refrigeration unit are located on different mounting outer surfaces; the vibration component is used for vibrating according to a preset working frequency, so that the ice cube tray component enters a resonance state corresponding to the preset working frequency; therefore, the vibration part excites the ice tray part to enter the resonance mode, the adhesive force between ice blocks and the ice tray part and the cohesion force of the ice blocks are overcome, and efficient and low-energy-consumption ice unloading is achieved.

The invention provides a snowflake ice making assembly and a snowflake machine. The snowflake ice making assembly comprises: a housing; the evaporator is rotationally arranged in the shell; the sensor is arranged on the shell and is connected with the control module; the top cover assembly is rotationally arranged at the top of the shell and used for opening or closing the top opening of the shell; the front door assembly is rotationally arranged on the front side of the shell and used for opening or closing the opening in the front side of the shell; the triggering mechanism is arranged on the inner side of the top cover assembly or the inner side of the front door assembly; when the front door assembly and the top cover assembly are both closed, the front door assembly or the top cover assembly pushes the trigger mechanism to trigger the sensor, the sensor sends a first signal to the control module, the control module controls the evaporator to rotate, and when the front door assembly or the top cover assembly is opened, the trigger mechanism relieves triggering of the sensor, and the sensor sends a second signal to the control module. And the control module controls the evaporator to stop rotating. The snowflake ice making assembly and the snowflake machine are high in safety performance and convenient to clean.

The present invention discloses a smoothie preparation apparatus, which comprises: a housing having a smoothie preparation region and an air inlet part, cold airflow entering the smoothie preparation region through the air inlet part, the smoothie preparation region having a lead-out part; a temperature detection unit; the ice-making roller is in driving connection with the driving mechanism and is positioned in the smoothie preparation area; the spraying part is positioned in the smoothie preparation area and is used for spraying external liquid to the outer side wall of the ice-making roller; an ice layer thickness detection unit; the first scraper and the second scraper are oppositely located on the two sides of the ice making roller, and the scraper set is driven by the driving assembly to move close to or away from each other; and a distance detection unit for detecting a distance between the first blade and the second blade. The ice columns are formed by external liquid in a spraying mode, the smoothie is prepared by cutting the ice columns, and the preparation efficiency and quality of the smoothie are improved.

The invention discloses cold drink equipment which comprises a shell assembly, a refrigeration assembly, a feeding assembly and an electric control assembly, the refrigeration assembly, the feeding assembly and the electric control assembly are arranged in the shell assembly, the shell assembly comprises a first vertical frame, the refrigeration assembly comprises a compressor, a condenser and an evaporator, a containing cavity is formed in the shell assembly, the compressor is arranged in the containing cavity, and the feeding assembly is arranged in the containing cavity. The evaporator is arranged on the first vertical frame, a feeding installation cavity is formed in the first vertical frame, the feeding assembly and the evaporator are arranged in the feeding installation cavity, the feeding installation cavity is isolated in the containing cavity in a sealed mode, an electric control installation area is arranged in the containing cavity, the electric control assembly is arranged in the electric control installation area, and the electric control assembly is arranged in the electric control installation area. The first vertical frame comprises a first side plate, a rear surrounding plate and a second side plate, and the first side plate, the rear surrounding plate and the second side plate define the feeding mounting cavity. By the adoption of the device, the evaporator, the feeding assembly, the electric control assembly and other components can be sealed and isolated, the waterproof performance is improved, the leakage risk is reduced, and a user can directly clean with water flow conveniently.

A direct-injection slush ice evaporator comprises a drum (1) and a refrigerant pipe (2), wherein the refrigerant pipe (2) is provided with a first section (3), an inner part (4) and a second section (5) in sequence from one end of the drum (1) to the other end; the first section (3) is connected with the first part (4.1) to form an inlet channel (22), the second part (4.2) is connected with the second section (5) to form an outlet channel (23), the first part (4.1) is provided with an outlet (24), and the second part (4.2) is provided with a discharge port (25); the non-direct connection means that the refrigerant is directly injected into the drum (1) through the inlet channel (22) and the outlet (24), and the refrigerant absorbs heat and vaporizes before entering the outlet channel (23) through the discharge port (25) to be discharged from the drum (1); the direct-injection slush ice evaporator allows the refrigerant pipe to directly pass through the interior of the drum, thereby reducing mutual interference and facilitating the improvement of ice making efficiency; an ice making machine is also provided, which uses the above-mentioned slush ice evaporator to improve ice making efficiency.

The embodiment of the invention provides an ice-making module and electrical equipment, and the ice-making module comprises an ice-making assembly which is used for making and outputting a plurality of pieces of ice of a first specification; one end of the ice outlet channel is communicated with the ice making assembly, and the ice outlet channel is used for receiving the ice of the first specification; the ice outlet channel is provided with a freezing area; and the cold source is used for increasing the cooling capacity to the freezing area so that the multiple pieces of ice of the first specification passing through the freezing area can be frozen to form ice of the second specification, and the size of the ice of the first specification is smaller than that of the ice of the second specification.

The invention relates to an ice making method and system of an ice maker and a terminal, and relates to the technical field of ice makers, and the method comprises the following steps: selecting a target ice making mold according to an ice making specification; determining whether the ice making specification exceeds a reference ice making specification; if not, determining a water injection position according to the target ice making mold; determining an ice making temperature, a target water injection rate and a target water injection speed according to the ice making specification and the water injection position, performing water injection, and controlling the ice maker to operate at the ice making temperature; determining the water surface height and the water surface area according to the target water injection speed, the ice making specification and the freezing time; determining a water injection distance according to the water surface height and the water injection position; updating the target water injection speed according to the water injection distance and the water surface area, and injecting water into the target ice making mold; determining reference freezing time according to the ice-making temperature and the target water injection rate; and when the freezing time is consistent with the reference freezing time, controlling the ice maker to demold to form ice balls. The ice maker has the effect of improving the ice making quality of the ice maker.

The invention provides an intelligent ice-making amount control method for an ice maker, which comprises the following steps of: acquiring operation data including environment temperature, humidity, residual ice amount of an ice storage bin and energy consumption of a refrigerating system in real time through an environment temperature sensor, a humidity sensor, an ice storage bin sensor and an energy consumption detection module, and combining with user ice using historical data recorded by a storage module. And based on the data, establishing an ice consumption rule model for predicting the next ice consumption time point and the required ice amount, and calculating the amount of ice to be supplemented by combining the current remaining ice amount of the ice storage bin. And calculating the required ice-making time by using the amount of ice to be supplemented and the environmental parameters, and determining the optimal ice-making starting time point according to the required ice-making time so as to dynamically optimize the ice-making time arrangement. In the ice making process, the ice making power is adjusted by monitoring the return water temperature change rate, and when the return water temperature change rate is larger than a first threshold value, the ice making power is maintained. According to the method, the ice making amount can be intelligently adjusted, the ice making efficiency is improved, the energy consumption is reduced, and diversified ice using requirements of users are met.

An ice maker may include a first tray for defining one portion of the ice-making cell, a second tray for defining the other portion of the ice-making cell, a heater for providing heat to the second tray, and a heater case having the heater coupled thereto. In an ice-making process, at least one portion of the heater case may move along with the second tray.

The utility model relates to an ice-making structure of a vehicle-mounted refrigerator, the vehicle-mounted refrigerator comprises a refrigeration box body and an ice-making box body, an ice-making mechanism is arranged in the ice-making box body, the ice-making mechanism comprises an ice-making cavity, an ice storage cavity and a water storage tank, the ice-making cavity and the ice storage cavity are located above the water storage tank, an ice-making device is arranged in the ice-making cavity, the ice-making device comprises an ice-making water tank and an ice-making mold, and the ice-making mold is located above the ice-making water tank. A refrigerating pipe and a heating pipe are connected in the ice making mold; the refrigerating box body is additionally arranged, the outdoor ice using requirement of people can be met, the refrigerating pipe is arranged on the ice making mold for quick freezing, the heating pipe is used for separating ice blocks from the ice making mold, ice making and ice block collecting are automatically completed, the rotating motor drives the ice making water tank to turn over, the ice blocks are conveyed to the connecting pressing plate and the ice block pushing plate and then pushed into the ice storage cavity, and the ice making effect is achieved. Ice blocks can be automatically manufactured and collected, the water leakage holes, the water outlet pipe, the water pump and the water supply pipe circularly supply water, water in all the processes is collected, cyclic utilization of the water is achieved, waste of the water is reduced, and the water using efficiency is improved.

The utility model discloses a turnover connecting structure of an ice-making box, which comprises a first rotary connecting part (11), a second rotary connecting part (21), a rotary connecting piece (3) with an integrated structure, a first rotating shaft (33) arranged between the rotary connecting piece (3) and the first rotary connecting part (11), and a first shaft hole rotatably matched with the first rotating shaft (33), a first through groove for the first rotating shaft (33) to be clamped in is formed in the side face of the first shaft hole, a second rotating shaft (32) and a second shaft hole matched with the second rotating shaft (32) in a rotating mode are arranged between the rotating connecting piece (3) and the second rotating connecting part (21), and a second through groove for the second rotating shaft (32) to be clamped in is formed in the side face of the second shaft hole. And parts are simplified, so that the production cost is reduced, the assembly consistency is high, the product percent of pass is effectively improved, the labor intensity of workers is reduced, and the standardized installation process is improved.

The invention provides a household snow ice machine top cabin door with a safety protection mechanism. A snow ice machine comprises a protection mechanism. The protection mechanism is arranged on the opening and closing device. The protection mechanism comprises a driving device, a transmission device and a translation rotating mechanism. And the driving device is fixedly mounted on one side outside the device bin. And the transmission device is fixedly connected with the driving device. And the translation rotating mechanism is movably connected with the transmission device. By arranging the protection mechanism, when the two protection cabin doors are opened, the protection mechanism can make the ice making roller emergently stopped while the protection cabin doors are opened regardless of normal maintenance operation or accidental touch of a child, so that the accident risk caused by continuous rotation of the ice making roller when the cabin doors are opened is effectively reduced; and the user safety is ensured under the condition that the cabin door is opened.