2083results about "Ice production" patented technology

The invention relates to an ice crystal evaporator and an ice crystal water cooling device producing from the same, belonging to the technical field of refrigeration. The ice crystal evaporator is characterized in that a liquid inlet channel is formed by an evaporator tube, a liquid inlet and a liquid outlet in a tubular casing; and the outer channel of the evaporator tube of the tubular casing is divided into more than one S-shaped channel forming a water return channel through a water inlet of a water divider and a water outlet of a water collector. The ice crystal water cooling device is characterized in that the return air inlet of the ice crystal evaporator is communicated with a compressor, a condenser, a liquid feeding valve, a dry filter, a liquid feeding electromagnetic valve anda thermostatic expansion valve in sequence, and then is communicated with the liquid inlet of the ice crystal evaporator; a cooling water inlet / outlet of the condenser is connected with a cooling tower in series; and a water inlet / outlet of the ice crystal evaporator is communicated with a water circulating pump and an ice crystal energy storage tank in series. The invention has the advantages ofhigh cooling efficiency, no icing and low cooling temperature and is suitable for production of energy storage central air-conditioning, marine fishing, seafood processing, fruit, vegetable or meat processing, and the like; the cooled medium is municipal water.

According to the mixed phase ice crystal particle ground generation and icing experiment device and method, a water spray head generates a water drop particle swarm, an ice crystal particle generation device generates an ice crystal particle swarm, the water drop particle swarm and the ice crystal particle swarm are mixed in a controllable proportion to form an ice-water mixed phase, and then a mixed phase icing experiment can be achieved. The experimental device comprises an air duct system, a water drop atomization generation system, an ice crystal particle generation system, an impact surface system and a measurement system, the air duct system comprises an axial flow fan, an air duct and an experiment cavity; the impact surface system comprises an impact surface assembly, the water drop atomization generation system and the ice crystal particle generation system are used for providing water drops and ice crystals respectively, the axial flow fan provides high-speed airflow, the water drops and the ice crystals are conveyed through the air duct to impact the impact surface assembly at a high speed, and an impact icing experiment of a mixed phase is achieved; the measuring system is used for measuring the air speed, temperature and humidity in the air duct and measuring the thickness and temperature of an ice layer of the impact surface assembly.

An ice maker appliance includes a mold body comprising a mold cavity, a fill tube, and a dosing pump. Methods of operating the ice maker appliance may include receiving a user input. A volume of liquid water and / or a volume of additive may be determined based on the user input. Methods may further include flowing the liquid water and the additive to the mold cavity. The liquid water and the additive form a mixture, and the mixture is retained in the mold cavity to form at least a portion of an ice piece.

The embodiment of the invention relates to the technical field of ice making, and discloses an evaporator and ice making equipment, the evaporator comprises a refrigeration stator, a roller, a feeding pipe and an exhaust pipe, the refrigeration stator is provided with an evaporation cavity and a first peripheral wall, and the first peripheral wall forms part of the boundary of the evaporation cavity; the roller sleeves the refrigeration stator, the roller is configured to rotate relative to the refrigeration stator, the roller is provided with a second peripheral wall, the first peripheral wall is located in the second peripheral wall, and a heat-conducting medium is filled between the first peripheral wall and the second peripheral wall; the feeding pipe is configured to allow a refrigerant medium to flow into the evaporation cavity; the exhaust pipe is communicated with the evaporation cavity. In this way, the risk of refrigerant medium leakage can be reduced.

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 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.

A portable beverage container capable of autonomously generating ice using an internal cooling system. The cup includes a thermoelectric cooling mechanism within a lower chamber that transforms water into ice. An optional embodiment allows the user to pour or store beverages in the same unit, enabling ice to cool the liquid directly for drinking. The invention is compact, self-contained, and ideal for travel, outdoor use, or situations where conventional refrigeration is unavailable.

The utility model relates to a transparent ice-making structure of an ice-making machine, which comprises an ice-making box and an evaporator, the ice-making box is provided with an inner cavity, the evaporator is connected with a refrigeration column, the refrigeration column extends into the inner cavity, the inner cavity is provided with a stirring impeller, and the stirring impeller can rotate to form an impeller stirring area with the stirring impeller as the center. A plurality of refrigeration columns are evenly distributed in the impeller stirring area in the circumferential direction, the impeller stirring area generated by rotation of the stirring impeller can take away the cooling capacity of each refrigeration column more evenly, and therefore the transparency and hardness of the ice blocks are improved, and the aesthetic feeling and the eating taste of the ice blocks are improved.

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

The invention provides an ice making method and system, an intelligent electric appliance, a storage medium and a program product. The ice making method is used for the ice making device and comprises the steps that water quality parameters of ice making water are obtained, and the water quality parameters at least comprise a total dissolved solid value; determining target control parameters in the ice making process according to the water quality parameters; and controlling the ice making device to operate based on the target control parameter so as to form ice blocks. The method has the advantages that the water quality parameters are introduced to serve as the decision basis of ice making control, so that the ice making process can be adaptively adjusted according to different water quality conditions. According to the method, the fine control capability of the ice making process is improved, so that ice block products better meeting the expected quality can be obtained, and the consistency and stability of the ice making effect are improved.

A refrigeration appliance has an enclosure that defines an electronics module recess and a detachable electronics module that can be releasably retained in the recess. Tabs and tab receivers can be integrated with the electronics module and enclosure to releasably retain the electronics module in the recess. A trim piece can releasably attach to a display bezel of the electronics module by a snap-fit connection to retain the electronics module in the electronics module recess. In use, the electronics module can be selectively removed and a data acquisition device can be connected to the appliance using a data connector that is exposed by removing the electronics module.

The invention provides refrigeration equipment. The refrigeration equipment comprises a box body and a storage chamber formed in the box body, and further comprises an ice-making chamber arranged in the storage chamber and an ice-making refrigeration system arranged in the ice-making chamber, the ice-making refrigerating system comprises a shell, an ice-making evaporation chamber formed in the shell, an ice-making evaporator arranged in the ice-making evaporation chamber and a pipe outlet channel used for allowing a refrigerant pipe of the ice-making evaporator to penetrate through the ice-making evaporation chamber. The pipe outlet channel comprises a first channel part and a second channel part which are oppositely arranged in the radial direction of the pipe outlet channel, the first channel part is arranged on the shell, and the second channel part is detachably installed on the first channel part. By means of the arrangement, the ice making chamber capable of independently supplying cold can be formed in the storage chamber, cleanliness of the ice making chamber is guaranteed, and the sealing effect of the refrigerant pipe can be guaranteed while the refrigerant pipe can be conveniently installed.

The application provides a control method and device of an ice making system, a storage medium and a refrigeration equipment. The ice making system comprises an ice making assembly, an ice moving device and an ice taking assembly, the ice moving device is connected to the ice making assembly and the ice taking assembly, the ice making assembly is used for conveying ice blocks to the ice moving device, the ice moving device comprises an ice moving part, an ice moving channel and a main rotating part, the ice moving part is internally formed with an ice moving ice inlet, an ice moving cavity and an ice moving ice outlet which are in communication with each other, the main rotating part is rotationally arranged in the ice moving cavity and is used for throwing the ice blocks from the ice moving channel, and the control method of the ice making system comprises the following steps: judging whether ice jamming occurs; if yes, controlling the ice making assembly to stop conveying ice for a first preset time length and controlling the main rotating part to clean the ice blocks. The control method of the ice making system provided by the application can control the ice making assembly to stop conveying ice into the ice moving device and clean the ice blocks after ice jamming of the ice making system, effectively avoids the ice blocks from being accumulated in the ice moving cavity and causes the ice making system to malfunction and affect normal use.

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

The evaporator assembly comprises a water distribution pipe, an evaporator, a rear shell base and a flow distribution cover, the evaporator is communicated with a refrigerating system, and a plurality of ice cube trays for storing and cooling the flowing water flow to generate ice cubes are distributed in an array mode; the water distribution pipe is used for circularly draining water into the ice cube tray and enabling the water to flow down layer by layer; the rear shell base is supported and sealed on the rear side of the back of the evaporator, and the flow dividing cover is sealed on the front side of the evaporator in a buckled mode and used for distributing water flow and enabling the water flow to flow down in a waterfall mode in front of the ice forming molds in the arrayed ice cube trays and is in butt joint with the rear shell base to form a closed cavity integrally wrapping a refrigeration source of the whole evaporator. Through the shunting channel and the flow guide component on the shunting cover, water flow uniformly and orderly flows through each layer of ice cube trays, the crystallization speed and the refrigeration efficiency of ice cubes are effectively improved, and the quality of the manufactured ice cubes is uniform and consistent.

The invention relates to a water supply device (15) for a liquid and / or ice dispensing unit (11) of a household refrigeration appliance (1), comprising a support (53) for carrying at least one pump (79, 80) of the water supply device (15) and / or hoses (78, 85, 95, 97) of the water supply device (15), wherein the support (53) has at least one retaining structure (84) for carrying the pump (79, 80) of the water supply device (15) and / or hoses (78, 85, 95, 97), which includes at least one water basin (86). One aspect relates to a household refrigeration appliance (1).

The invention provides a control method of refrigeration equipment and the refrigeration equipment. The control method comprises the steps that a signal indicating whether the refrigeration equipment needs to make ice or not is obtained; if yes, an ice making mode is started, whether the temperature in the refrigerating chamber reaches the first starting point temperature or not is obtained, if yes, the ice making mode is stopped, and an intermediate refrigerating mode is conducted on the refrigerating chamber; if not, continuing to operate the ice making mode; and if not, a conventional refrigeration mode is carried out on the refrigeration chamber. According to the control method, the duration of stopping cold supply of the refrigeration chamber is changed by controlling the temperature of the starting point of the compressor, and then the requirement of the refrigeration chamber for refrigeration is controlled, so that smooth ice making is guaranteed, and the use experience of a user is improved.

The invention relates to the technical field of snowflake ice makers, in particular to an ice making structure of a snowflake ice maker, the ice making structure comprises a barrel, a fixing frame rotatably arranged in the barrel, an ice shoveling knife and a material distributing assembly, the two ends of the barrel are open, the upper opening is a feeding port, the lower opening is a discharging port, and the material distributing assembly is rotatably arranged between the upper opening and the lower opening; the ice shoveling knife and the material distributing assembly are both fixed on the fixing frame, and are both arranged corresponding to the inner wall of the barrel body; the fixing frame can be driven by the rotating shaft and drives the ice shoveling knife and the material distributing assembly to rotate in the barrel. According to the ice making structure of the snowflake ice maker, through the matched design of the barrel, the fixing frame, the ice shoveling knife and the material distributing assembly, a sealing structure is basically removed, and meanwhile the material distributing uniformity and the ice shoveling efficiency are improved through cooperative work of the material distributing assembly and the ice shoveling knife.

The utility model relates to the technical field of ice making, in particular to an ice maker and a refrigerator. Unloading an ice mold; the driving device comprises a driving assembly, a transmission assembly, a first limiting switch and a second limiting switch, the driving assembly comprises a driver, a driving shaft and a cam, the driving shaft is rotationally connected with the lower ice mold through the transmission assembly, the cam is coaxially connected with the driving shaft, and the first limiting switch and the second limiting switch are electrically connected with the driver. The driver is connected with the driving shaft and suitable for driving the cam to be switched between the position making contact with the first limiting switch and the position making contact with the second limiting switch, the opening of the lower ice mold faces upwards and is connected with the upper ice mold in a mold closing mode at the position making contact with the first limiting switch, and the opening of the lower ice mold faces upwards and is connected with the upper ice mold in a mold closing mode at the position making contact with the second limiting switch. The lower ice mold is separated from the upper ice mold, and an opening of the lower ice mold faces downwards. The automatic deicing performance of the ice maker is improved, other devices and parts are not affected, and the ice making and deicing efficiency is improved.

The application discloses a refrigeration equipment, and ice moving equipment includes a cabinet, a first refrigeration chamber, a second refrigeration chamber, an ice making assembly, an ice taking assembly and an ice moving assembly. The ice making assembly is arranged in the first refrigeration chamber; 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 on the first door body, the ice moving channel includes a first sub-channel and a second sub-channel which are sequentially communicated, the first sub-channel is arranged on the first door body, the second sub-channel is arranged on the second door body and is communicated to the ice taking assembly, and the first sub-channel is also communicated to the ice moving part; the ice moving assembly drives the ice block to move from the ice moving part to the ice moving channel. The refrigeration equipment avoids occupying the space of the second refrigeration chamber for ice making and storage in the second refrigeration chamber, the second sub-channel is arranged on the second door body, the ice moving part and the first sub-channel are arranged on the first door body, the internal space of the first refrigeration chamber and the second refrigeration chamber is not occupied, and the volume rate of the refrigeration equipment is further improved.

The invention provides a vehicle-mounted ice maker, and belongs to the field of ice making devices, the vehicle-mounted ice maker comprises a shell, a storage device and a heat dissipation device are sequentially mounted in the shell from top to bottom, and the storage device comprises a refrigerator mounted in the shell and a water box detachably mounted on the refrigerator; the heat dissipation device comprises a semiconductor chilling plate installed on the lower surface of the refrigerator and a heat dissipation grid installed in the shell and making contact with the semiconductor chilling plate, side heat dissipation mesh holes are formed in the two ends of the shell, axial flow fans are installed at the two ends of the shell, a water passing hole is formed in the bottom wall of the water box, and a valve is detachably installed on the water passing hole. The water box is covered with an upper cover, and a water injection opening is formed in the upper cover. The vehicle-mounted ice maker aims to solve the problem that the ice making efficiency is reduced due to the fact that an existing vehicle-mounted ice maker is difficult to meet the refrigerating capacity requirement of rapid ice making. The ice-making machine has the technical effects that quick and effective ice-making and ice-unloading work is realized, and the ice-making efficiency is ensured.

The invention relates to the technical field of snowflake ice makers, in particular to an evaporator assembly of a snowflake ice maker, which comprises a support, a barrel is fixedly arranged on the support, a liquid inlet pipe and an air outlet pipe are arranged on the barrel, one end of the liquid inlet pipe is arranged in an inner cavity of the barrel, and the other end of the liquid inlet pipe is used for being connected with a liquid outlet of a refrigerating system. One end of the air outlet pipe is arranged in the inner cavity of the barrel, and the other end of the air outlet pipe is connected with an air outlet of a refrigerating system; a roller is rotatably arranged outside the roller body in a sleeving manner, and the roller is rotatably arranged on the bracket; a cavity is formed between the roller and the roller body, and the cavity is filled with a refrigerating medium; sealing devices are arranged between the two ends of the roller and the two corresponding ends of the roller body. Through the sealing device and the bearing structure between the drum body and the roller, the sealing design of the rotating shaft is simplified, the abrasion risk of a sealing piece is reduced, more importantly, the drum body does not need to rotate, and the sealing structure has the advantages of being simple and reliable, low in cost and long in service life.

The invention discloses an evaporator and cold drink equipment, the evaporator comprises an evaporation cylinder, an air return pipe and a communicating pipe, the air return pipe and the communicating pipe are communicated with the evaporation cylinder, an evaporation cavity is arranged in the evaporation cylinder, the air return pipe is communicated with an external compressor, an air return section of the air return pipe is connected with the evaporation cylinder and is communicated with the evaporation cavity, and the communicating pipe is communicated with the communicating pipe. The communicating pipe is communicated with an external condenser or a throttling component, a spraying section of the communicating pipe is connected with the air return section and communicated with the evaporation cavity, an oil return part is arranged in the evaporation barrel, the outlet end of the oil return part can be communicated with the air return section, the inlet end of the oil return part is close to the inner side wall of the evaporation barrel, and the oil return part is communicated with the oil return part. And the oil return piece can rotate along with the evaporation cylinder. The cold drink equipment comprises the evaporator. By adopting the oil return device, oil can be effectively returned, and the oil return efficiency is improved, so that the normal operation of the compressor and the heat transfer efficiency of the evaporator are ensured, and the external space of the evaporator is not occupied.

The application discloses a refrigeration equipment, and ice moving equipment includes a cabinet, a first refrigeration chamber, a second refrigeration chamber, an ice making assembly, an ice taking assembly and an ice moving assembly. The ice making assembly is arranged in the first refrigeration chamber; 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 chamber, the ice moving channel includes a first sub-channel and a second sub-channel which are sequentially communicated, the second sub-channel is arranged on the second door body and is communicated to the ice taking assembly, the first sub-channel is communicated to the ice moving part, and the ice moving assembly drives ice blocks to move out of the ice moving part to the ice moving channel. The refrigeration equipment of the application avoids occupying the space of the second refrigeration chamber for ice making and storage in the second refrigeration chamber, the second sub-channel is arranged on the second door body, the internal space of the second refrigeration chamber is not occupied, and the volume rate of the refrigeration equipment is further improved.

The utility model relates to a novel overflow type sand ice bucket, which is characterized by comprising a sand ice bucket outer shell and an inner barrel, and is characterized in that one end of the top of the inner barrel is connected with a refrigerant liquid inlet pipe, and the refrigerant liquid inlet pipe penetrates through the end part of the inner barrel and extends into a refrigerant flow channel; the left side and the right side of the top of the inner barrel are each fixedly provided with a flow guide assembly in a welded mode, the length of the flow guide assemblies is matched with that of the inner barrel, and gaps exist between the upper ends of the flow guide assemblies and the inner wall of the sand ice barrel outer shell. By adopting the overflow type structural design, the wall thickness of the inner barrel body can be the same as that of the outer shell body of the sand ice bucket, so that the outer wall of the outer shell body of the sand ice bucket can be used as a cooling surface, and the inner wall of the inner barrel body can also be used as a cooling surface during use, and the function of increasing the practical performance is achieved.

The utility model relates to a cylindrical ice-making module which comprises a cylindrical barrel, an ice-making disc body with a circular vertical projection is arranged in the barrel, the ice-making disc body and the barrel are concentrically arranged and can be mutually detached and separated, and the periphery of the outer side of the ice-making disc body is adjacently matched with the inner side wall of the barrel. The aligning action of the ice-making tray body when the ice-making tray body is placed in the barrel body is simplified, meanwhile, the heat exchange surface area between the outer side of the ice-making tray body and the inner wall of the barrel body is relatively increased, and the heat exchange efficiency between the ice-making tray body and the barrel body is improved, so that the ice-making efficiency is improved.

The invention relates to an efficient ice making device based on a semiconductor refrigeration scheme and suitable for a vehicle-mounted refrigerator. The technical problem that an existing vehicle-mounted refrigerator is low in refrigerating efficiency is solved. Comprising a refrigerator partition plate arranged on one side of a vehicle-mounted refrigerator, a semiconductor TEC is arranged on the side, away from the vehicle-mounted refrigerator, of the refrigerator partition plate, a liquid cooling plate evaporator is arranged on the side, away from the refrigerator partition plate, of the semiconductor TEC, and a refrigerant flow guide assembly connected with a whole vehicle air conditioner compressor system is connected into the liquid cooling plate evaporator. A cold conduction block is arranged on the side, close to and away from the refrigerator partition plate, of the semiconductor TEC and connected with an ice making box assembly on the side, located in the vehicle-mounted refrigerator, of the refrigerator partition plate. The invention has the advantages that the dual refrigeration design of the whole vehicle air conditioner compressor system and the semiconductor TEC can realize the deep refrigeration capability, the cold surface temperature of the semiconductor TEC can be controlled at-40 DEG C, and the ice-making capability of the semiconductor TEC is ensured; the heat transfer area can be increased through the freezing sword in various forms, and the ice making efficiency is improved.

The evaporator comprises a container main body, a cover body and a sealing piece, the container main body comprises a containing part and a first convex edge part which are connected, the first convex edge part is arranged in a protruding mode relative to the outer periphery of the containing part, the containing part is provided with a containing cavity, and the containing cavity is used for containing refrigerating fluid; the cover body comprises a cover main body and a second convex edge part, the second convex edge part is connected with the first convex edge part, the cover main body is provided with at least one profiling bulge which is convexly arranged towards the cavity bottom of the accommodating cavity, each profiling bulge is provided with a concave cavity with one closed end, and the concave cavities are used for accommodating parts to be cooled; the sealing piece is arranged between the first protruding edge part and the second protruding edge part and surrounds the containing part. By the adoption of the structure, refrigerating fluid in the evaporator is isolated from the outside, the risk that the refrigerating fluid leaks and makes contact with ice-lolly liquid is reduced under the action of the sealing piece, safety performance is improved, and user experience is improved.

The present application relates to the technical field of refrigeration devices, and discloses a refrigerator. The refrigerator comprises: a refrigeration circulation pipe having at least a portion which extends into a refrigeration chamber and is marked as a reserved section; an ice making chamber housing provided with a first opening communicated with its interior; and a casing provided on the chamber wall of the refrigeration chamber, at least a portion of a refrigeration pipe being located inside the casing, the casing being further provided a second opening and a third opening, at least a portion of the refrigeration pipe extending out from the second opening and extending into the ice making chamber housing, and at least a further portion of the refrigeration pipe extending out from the third opening and be communicated with the reserved section, wherein when the ice making chamber housing is dismounted, the ice making chamber housing is disengaged from the casing, the portion of the refrigeration pipe extending into the ice making chamber housing is pulled out from the ice making chamber housing, and the casing is kept in a state of being connected to the chamber wall.