WO2006079272A1 - Réfrigérateur à contrôle multi-température comprenant une machine à glaçons - Google Patents

Réfrigérateur à contrôle multi-température comprenant une machine à glaçons Download PDF

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Publication number
WO2006079272A1
WO2006079272A1 PCT/CN2005/002028 CN2005002028W WO2006079272A1 WO 2006079272 A1 WO2006079272 A1 WO 2006079272A1 CN 2005002028 W CN2005002028 W CN 2005002028W WO 2006079272 A1 WO2006079272 A1 WO 2006079272A1
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WO
WIPO (PCT)
Prior art keywords
evaporator
ice making
compartment
temperature
refrigerator
Prior art date
Application number
PCT/CN2005/002028
Other languages
English (en)
Chinese (zh)
Inventor
Zhichun Zhang
Dongning Wang
Lingyun Li
Guangming Dang
Original Assignee
Haier Group Corporation
Qingdao Haier Joint Stock Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haier Group Corporation, Qingdao Haier Joint Stock Co., Ltd. filed Critical Haier Group Corporation
Priority to US11/883,424 priority Critical patent/US20080148745A1/en
Priority to CN2005800400925A priority patent/CN101065626B/zh
Publication of WO2006079272A1 publication Critical patent/WO2006079272A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/10—Refrigerator units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/061—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation through special compartments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/30—Quick freezing

Definitions

  • the invention relates to a wind-cooling combined multi-temperature controlled refrigerator provided with an ice maker, and in particular to a double-cycle multi-temperature controlled wind-cooling combined refrigerator with ice making function .
  • the automatic ice making machine can be generally divided into two types, as follows: First, the control mode: the control is integrated in the ice making machine, and the control of the ice making system is not separately implemented on the main control board of the refrigerator; Installation method: The ice machine is a complete independent accessory. As long as the interface and space of the ice machine are reserved on the refrigerator, it can be installed at any time without any plastic parts. Deicing method: heating and deicing; water inlet mode : The water source is tap water, water valve is used to enter the water. It can also be used as needed to realize the use of large buckets of water and water pump.
  • This type of ice making machine is a complete ice making system, as long as 220V or 1 15V mains supply is provided. It can work, it can also be realized on the mechanical refrigerator. It does not need additional control. It does not need to open other molds. It can be installed with only two screws. It is very simple to use and reliable, but it is bulky and takes up a lot of space.
  • the ice machine is shown in the drawings of the present invention, wherein 22 is an ice making machine, 23 is an ice making box, 24 is an ice detecting rod, 25 is an ice storage box, 26 ice cubes, and a basic sealing system is arranged in the refrigerator.
  • the ice maker 22 is screwed to the appropriate inner wall of the ice making chamber, and an ice making box 23 is placed underneath, and when the water storage device fills the ice making box, it is frozen, in the ice making box 23
  • the ice cube 26 is dropped into the ice storage box 25 by the ice bar or the ice box is reversed.
  • the ice bar 24 is raised by the ice block 26 to a certain height, it is considered to be a storage.
  • the ice box 25 is full, the ice machine stops working, and when needed, the ice storage box can be taken out of the area with ice.
  • the second is, the control method:
  • the ice machine is just a de-icing structure, all control must be realized on the main control board;
  • Installation method The ice machine is just a de-icing structure, it is necessary to design the installation structure of the ice machine and ice making. Box and other plastic parts; de-icing method: de-icing by torque;
  • water inlet Type The water source of this kind of refrigerator is pre-installed water in a water tank in the refrigerating room. Water can be used to feed water. It can also be used according to the needs.
  • Advantages and disadvantages comparison This type of ice machine is actually only a deicing mechanism. Adding a lot of structural parts, control circuits and detection circuits can realize automatic ice making, complex structure, many parts and low reliability, but small size and small space.
  • the present invention is directed to an improvement of a first type of ice making machine, and more particularly to an improvement of a refrigerator provided with a first type of ice making machine, which is provided with a refrigerator of the first type of ice making machine, usually
  • the ice maker is placed in the freezer compartment.
  • a relatively independent space may be provided in the freezer compartment, that is, an ice making compartment, and the ice maker is disposed therein.
  • the ice making is performed.
  • the room is provided with a door to separate the functional space described, but since the freezing process of the ice maker in the freezer compartment uses the refrigeration system of the freezer compartment, the demand of the freezer compartment is inconsistent with the demand of the ice maker. At this time, it is difficult to coordinate the relationship between the freezing compartment temperature and the cooling capacity of the ice making compartment, and the present invention has been made in order to overcome the drawbacks of the prior art. Purpose of the invention
  • the main object of the present invention is to provide a refrigerator having a separate ice making compartment for setting an ice maker
  • Another object of the present invention is to provide a refrigerator that separately supplies a cold source to an independent ice making chamber
  • Still another object of the present invention is to provide a refrigerator that provides both air-cooled and direct-cooled cooling modes to two spaces of a freezer compartment by means of an evaporator.
  • the object of the present invention can be achieved in that the refrigerator can be divided into a freezing compartment 1 and a refrigerating compartment 2, and in the freezing compartment 1, when the door body of the refrigerator is opened to the left, an ice making room is generally disposed at the upper left side.
  • the ice making chamber is provided with an ice making chamber door 9, which can function to isolate the cold flow and the odor; fix the ice making machine in the ice making chamber, and set the ice storage box under the ice making machine;
  • the room is cooled by direct cooling, and the freezer is also cooled by direct cooling.
  • an air inlet and an air outlet are provided to the ice making room. If necessary, the ice making room is air-cooled. Deep cooling.
  • the present invention is a wind-cooled combined three-temperature three-control refrigerator provided with an ice maker.
  • Figure 1 (a) is a schematic view of a refrigerator provided with an ice maker according to the present invention
  • Figure 1 (b) is a cross-sectional view of the wind-cooled combined multi-temperature controlled refrigerator provided with the ice maker of the present invention
  • Figure 2 (a) is the effect of air flow rate on the efficiency of a finned evaporator
  • Figure 2 (b) is the effect of air relative humidity on the efficiency of the finned evaporator
  • Figure 2 (c) is the effect of fin spacing on the efficiency of the finned evaporator
  • Figure 2 (d) is the effect of air flow rate on the air-side average heat transfer coefficient
  • Figure 2 (e) is the effect of air relative humidity on the air side average heat transfer coefficient
  • Figure 2 (f) is the effect of fin spacing on the air side average heat transfer coefficient
  • FIG. 3 is a schematic illustration of the dual cycle refrigeration system of the present invention.
  • Figure 4 is a perspective view and a cross-sectional view of the ice making machine of the present invention.
  • 1 is the freezer compartment
  • 2 is the refrigerating compartment
  • 3 is the ice making compartment
  • 4 is the evaporator
  • 5 is the flat evaporator
  • 6 is the air-cooled inlet and outlet
  • 8 is the fan
  • 9 is the ice-making chamber door
  • 1 1 is the compressor
  • 12 is the condenser
  • 13 is the dry filter
  • 14 is the three-way solenoid valve
  • 15 is the main capillary
  • 16 is the bypass capillary
  • 17 is the freezing evaporator
  • 18, 19 is the refrigerated evaporator
  • 20 is The accumulator
  • 22 is an ice making machine
  • 23 is an ice making box
  • 24 is an ice detecting rod
  • 25 is an ice storage box
  • 26 ice cubes.
  • the working mode and the components of the wind-cooled combined multi-temperature controlled refrigerator provided with the ice maker according to the present invention are as follows:
  • the ice making compartment is provided in the freezing compartment 1, an ice making compartment is provided, and the ice making compartment is provided with an ice making compartment door 9, which can isolate the cold flow and The function of the odor;
  • the ice machine is fixed in the ice making room, and the ice storage box is arranged under the ice making machine;
  • the cold storage room adopts the direct cooling mode, the freezing room also adopts the direct cooling mode, and the evaporator space in the freezer compartment
  • An air inlet 7 and an air outlet 6 are further provided to the ice making chamber, and the ice making chamber is deeply cooled by air cooling if necessary.
  • a door that can be opened and closed can be installed on the air outlet 6 and/or the air inlet 7 of the ice making compartment.
  • the door is closed, thus freezing
  • the chamber is also frozen in a straight cold manner. If the ice making chamber is changed to a deep freezing chamber, that is, no ice maker is provided in the ice making chamber 3, in fact, the refrigerator constitutes a double
  • the three-temperature three-control evaporator of the evaporator is combined with the refrigerator, SP, and can independently control the cooling capacity of the refrigerating room, the freezing room and the ice making room as needed.
  • the direct cooling of the refrigerating compartment of the refrigerator according to the present invention adopts a flat plate evaporator, and the flat plate evaporator is attached to the upper part of the rear wall of the refrigerating chamber by a pressure bonding process, and the indoor temperature is set by natural convection cooling.
  • the refrigerating thermostat sends a pulse signal to the pulse solenoid valve, and the pulse solenoid valve operates to cut off the refrigeration refrigeration cycle of the refrigerant.
  • the flat plate evaporator is attached to the inside of the refrigerating inner tank, and has the characteristics that the evaporator is hidden, does not affect the appearance, is uniformly cooled, and is not suitable for causing frostbite of the article.
  • Fig. 1(b) is a cross-sectional view showing a wind-cooling combined multi-temperature controlled refrigerator provided with an ice maker according to the present invention, from which the position and connection manner of each component can be clearly understood.
  • the freezer compartment is also in a direct cooling mode, and one side of the evaporator is also in close contact with the inside of the freezing chamber, but a gap is formed on the other side, and the air flow from the ice making chamber is formed. After it is cooled again, it enters the ice making room, and the ice making room adopts air-cooled cooling mode, so that the freezing speed of the ice making ice making room is significantly higher than that of the direct cooling mode.
  • the ice making room adopts the wind-cooled mixed ice making mode, which is equivalent to forming two controllable temperature zones in the freezing compartment.
  • the evaporator of the freezer compartment uses a finned evaporator in order to prevent the cooling of the finned evaporator from being supplied to the freezer compartment.
  • All or part of the ice making chamber is made of a material having good thermal conductivity as a partition, for example, aluminum metal, so that the cold volume of the ice making chamber can be exchanged by the partition, and since the ice making chamber is preferably disposed in the freezing chamber Above, therefore, the cold air of the ice making outdoor wall drops, thereby forming a cycle of heat exchange.
  • the multi-temperature control refers to the requirement of the refrigeration capacity according to refrigerating or freezing, and the refrigerant flows to the refrigerating chamber or the freezing chamber through the pulse electromagnetic valve, and the temperatures of the two chambers are respectively perceived by the temperature sensing head of each room.
  • the action sensor is set in the ice making room by the controller of the refrigerator, or the circuit of the ice making room is connected with the main control circuit of the refrigerator to sense the working condition of the ice making machine. Determining whether the ice making is performed, if the ice making starts, starting the freezer evaporator, and turning on the fan to make the ice making room quickly reach the freezing speed of the ice making;
  • the ice making chamber is in the temperature maintaining state, if the temperature does not reach the specified ice making temperature, the freezing chamber evaporator is started, and the fan is turned on to make the ice making chamber quickly reach the ice making temperature;
  • the temperature of the freezing compartment should be maintained below the specified temperature of the freezing compartment.
  • the ice making chamber is maintained at a temperature equal to the specified temperature of the freezing chamber.
  • the freezing chamber temperature does not reach the specified temperature, the freezing chamber needs a cooling amount, and the refrigerant takes the main circuit. Since the main evaporator area of the refrigerating chamber is small, the refrigerator evaporates. The amount of cold released by the device is small, and the temperature drop of the refrigerating compartment is very small; when the ice making compartment of the metal partition is used, the heat of the freezing compartment and the ice making compartment are fully exchanged.
  • a heat insulating shelf is used between the ice making room and the freezing room, and the ice making room is frozen. Both the temperature and the maintenance temperature are significantly lower than the specified temperature of the freezer compartment. In this case, the ice making compartment forms a deep freezer without placing the ice maker.
  • the bypass circuit is opened, the main evaporator of the main circuit has a smaller area, and the larger evaporator of the refrigerating chamber is combined with a larger evaporator. Room evaporator, quickly adjust the temperature of the refrigerator. Cooling System.
  • the refrigerator of the present invention includes a compressor, a condenser, a drying filter, a capillary tube, a freezing evaporator, a freezing chamber, and a refrigerating evaporator. Refrigeration room, suction pipe.
  • the refrigerating compartment employs a flat evaporator
  • the freezing compartment employs a finned evaporator
  • the prior art has disclosed the parallel structure of the evaporator (discrete double-cycle structure) or added an auxiliary circuit in the series structure of the traditional evaporator. These two structures, freezer and refrigerated The chamber can be controlled separately, but there are still some disadvantages such as large irreversible thermodynamic loss and condensation on the suction tube.
  • the invention proposes to connect a larger evaporator in the bypass loop of the bypass double-cycle refrigerator as an additional evaporator of the refrigerating compartment, so that the evaporator area of the refrigerating compartment is large, and the bypass capillary can be designed to be shorter.
  • the refrigerant will all evaporate in the evaporator, and basically no liquid refrigerant is sucked into the suction pipe; when the refrigerating compartment does not require cooling capacity, and the freezing compartment needs cooling capacity, the refrigerant goes to the main circuit, due to evaporation of the original refrigerating compartment
  • the area of the device is small, so that the refrigerating evaporator releases less cold and the temperature of the refrigerating compartment drops very little.
  • the double cycle refrigerator of the present invention comprises a compressor 1 1 , a condenser 12 , a drying filter 13 , a three-way solenoid valve 14 , a main capillary 15 , a bypass capillary 16 , a refrigerating evaporator 17 , a refrigerating evaporator 19 ,
  • the accumulator 20 further includes an additional refrigerating evaporator 18 in the bypass circulation loop, the outlet of the compressor 1 1 is connected to the inlet of the condenser 12, the outlet of the condenser 12 is connected to the inlet of the drying filter 13, and the drying filter 13
  • the outlet is connected to the inlet of the three-way solenoid valve 13, one outlet of the three-way solenoid valve 14 is connected to the inlet of the main capillary 15, the other outlet is connected to the inlet of the bypass capillary 16, and the outlet of the main capillary 15 is connected to the inlet of the freezing evaporator 17, bypassing
  • the refrigeration system of the present invention has the following advantages over the single cycle system: the influence of the ambient temperature on the temperature of the refrigerating and freezing chamber can be avoided, and the optimal distribution and utilization of energy is realized;
  • the dual-cycle refrigeration system can independently control the temperature of the refrigerating compartment and the freezing compartment, the freezing capacity is much larger than that of the ordinary single-cycle refrigeration system refrigerator.
  • the temperature fluctuation range of the refrigerating freezing compartment is much smaller than that of the single-cycle refrigerator. Smaller temperature fluctuations will facilitate the storage and preservation of food.
  • a larger refrigerating compartment evaporator can be selected during design, which makes it easy to meet the temperature requirements of the refrigerator.
  • the refrigerator At low ambient temperatures, as long as the refrigerating compartment is set at a lower temperature than the ambient temperature, the refrigerator is It can be fully operated without any heating compensation.
  • a bypass double-cycle refrigerator with a variable refrigerating evaporation area is proposed.
  • System with loop load and main loop, bypass loop The relationship between factors such as COP and energy-saving effect, applying the function relationship, in the current working condition of the refrigerator, the refrigerator of the present invention can save energy by about 12% compared with the single-cycle refrigerator in series with the evaporator.
  • the compressor in the refrigerator of the present invention is a vapor compression type compressor, and mainly includes a compressor 1, a condenser 12, a capillary 15, a drying filter 13, a three-way solenoid valve 14, and an evaporator 17, 18 19, the vapor compression refrigeration cycle is continuously circulated through four processes of compression, condensation, throttling, and evaporation, and the cyclical occurrence of the refrigerant changes from steam to liquid, and changes from liquid to steam, continuously Transfer the heat from the refrigerator to the outside of the refrigerator for refrigeration purposes.
  • the refrigerant for use is R134a, and in the non-optimal embodiment of the present invention, other known refrigerants in the prior art may also be employed;
  • the researcher of the present invention conducted detailed research on the configuration of the refrigeration system, the configuration of the evaporator, and the configuration of the simplified parameters of the evaporator, and obtained the final design conclusion, due to the present invention.
  • the prior art configuration shows that the flat type (direct cooling type) evaporator is lowered by the natural convection of its surface at a low temperature.
  • the temperature inside the refrigerator has the advantages of suitable humidity, good preservation performance, power saving, and large effective volume under the same volume; and the finned evaporator (air-cooled type) is caused by the forced blowing of cold air into the space of the tank by the air duct.
  • the advantages are automatic defrosting, uniform temperature, disadvantages of low humidity in the freezer compartment, easy air drying and dehydration, high power consumption and low effective volume.
  • the refrigerator of the present invention is characterized in that it is directly cooled by freezing and refrigerating, and the direct cooling of the freezer compartment adopts a fin-type evaporator, and the lack of cooling capacity of the freezer compartment is compensated by heat transfer of the ice-making compartment partition, and ice making is performed.
  • the chamber is air-cooled, as described above, by using the cooling capacity of the air-cooled ice making chamber, the freezing chamber can also be frozen by the shelf conduction.
  • the conventional finned evaporator is used to perform direct cooling in the freezer compartment, which causes certain problems.
  • the researchers of the present invention have further studied the finned evaporator to show that the fins
  • the efficiency of the evaporator is affected by a number of factors, see Figure 2 (a) to Figure 2 (f).
  • the relative humidity of the air has a great influence on the performance of the finned evaporator, especially in the case of high humidity, with the evaporator running time prolonged, the evaporator efficiency ( ⁇ .) and the air side average heat transfer coefficient ( ⁇ .) A sharp drop, therefore, controlling the relative humidity of the air has an important effect on the evaporator.
  • the fin spacing has a great influence on the performance of the evaporator.
  • the heat transfer performance of the wide-pitch fin evaporator is obviously due to the closely spaced fin evaporator. When the fin spacing is about 4 mm, the evaporator performance deteriorates drastically.
  • the fin distance of the fin evaporator is as much as 6 mm or more, and the preferred fin evaporator is 6-8 mm.
  • the freezer and refrigerating compartments of the present invention utilize two different evaporators, wherein:
  • the evaporator In the freezer compartment of the refrigerator, the evaporator is used as a finned evaporator, and the freezer compartment is cooled by direct cooling, and the ice making compartment is forced by the freezing fan to perform indoor air convection to achieve the purpose of cooling; the temperature of the ice making compartment is reached. After setting the temperature, the freezing fan stops. If the freezing chamber temperature has not reached the specified temperature, the freezer evaporator continues to work. If the freezing chamber temperature also reaches the specified temperature, the freezing thermostat sends a pulse signal to the pulse solenoid valve.
  • the valve acts to cut off the refrigeration refrigeration cycle of the refrigerant;
  • a heating wire is disposed on the finned evaporator, and when defrosting is required, the timer controls the heating of the heating wire to automate the icing on the fins.
  • the fin evaporator is closely attached to the outside of the freezing chamber, and is responsible for cooling of the freezing chamber and the ice making chamber, forming a gap on the other side of the freezer evaporator, and making the air in the ice making chamber through the freezing fan Cyclic cooling, the ice making chamber is characterized by rapid cooling, rapid cooling, and transparent ice.
  • the automatic ice making of the refrigerator of the present invention means that the ice making system can automatically complete a complete ice making process and cycle the process in the control and structure, thus realizing the automatic ice making of the refrigerator. This process can be seen in Figure 4:
  • ice is to determine whether the ice is made, judged by temperature.
  • de-icing is to take the prepared ice from the ice box to the ice storage box.
  • the water is injected into the ice box by water pump or water valve.
  • the ice making machine of the present invention can be divided into the following parts: (1) a control box control box, which is composed of a motor, a reduction gear, a rotating shaft and a copper piece, and the copper piece is spread over the groove in the casing.
  • the motor rotates, the copper pieces form different connections and disconnections, forming different circuit connections, thereby realizing various strokes of the ice machine;
  • middle Connection box the main part is connected to the control box and the ice making box, and the housing has a bimetal temperature controller for controlling the ice making time and the heating time of the heater;
  • the ice making box is made of the ice detecting rod, It consists of an ice rod, an ice making container and a heater.
  • the ice bar is a separate ice block device that can be rotated, but after the ice block is prepared, the heater is energized and heated, the ice block and the ice making container are separated, and the ice bar is rotated to a certain angle to push the ice block out.
  • the embodiment mainly proposes a defrosting process, which comprises an evaporator, a fin, a heating tube, an electric heating wire is arranged inside the heating tube, and a filling between the heating wire and the heating tube is performed.
  • the insulating material, the form of the heating tube depends on the shape of the evaporator, and any of the methods that can be employed in the prior art can be incorporated into the present invention.
  • Embodiment 5 is the same as in the third embodiment except that the ice maker is installed in the ice-making chamber of the wind-cooling mixed cooling, as shown in Fig. 1.
  • Embodiment 5 is the same as in the third embodiment except that the ice maker is installed in the ice-making chamber of the wind-cooling mixed cooling, as shown in Fig. 1.

Abstract

La présente invention concerne un réfrigérateur à contrôle multi-température comprenant une machine à glaçons. Le mode de refroidissement du réfrigérateur est un mode de refroidissement direct et de refroidissement à air combiné. Concrètement, la présente invention concerne un réfrigérateur présentant une fonction de fabrication de glaçons, dans lequel le cycle réfrigérant est un cycle double et englobant deux évaporateurs différents. Le mode de refroidissement de la chambre de fabrication de glaçons dans le réfrigérateur est un mode de refroidissement direct et de refroidissement à air combiné, et des électrovannes à impulsions et un dispositif de contrôle de température double sont intégrés au système à cycle double. C’est la raison pour laquelle le réfrigérateur selon la présente invention peut réduire le bruit et les déchets du support de refroidissement dans le réfrigérateur et fabriquer rapidement des glaçons de grande qualité.
PCT/CN2005/002028 2005-01-31 2005-11-28 Réfrigérateur à contrôle multi-température comprenant une machine à glaçons WO2006079272A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/883,424 US20080148745A1 (en) 2005-01-31 2005-11-28 Multi-Temperature Control Refrigerator Comprising an Ice Machine
CN2005800400925A CN101065626B (zh) 2005-01-31 2005-11-28 设置有制冰机的风直冷结合多温控冰箱的工作方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200510004995 2005-01-31
CN200510004995.X 2005-01-31

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WO2006079272A1 true WO2006079272A1 (fr) 2006-08-03

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