EP3187801B1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
EP3187801B1
EP3187801B1 EP14900349.3A EP14900349A EP3187801B1 EP 3187801 B1 EP3187801 B1 EP 3187801B1 EP 14900349 A EP14900349 A EP 14900349A EP 3187801 B1 EP3187801 B1 EP 3187801B1
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EP
European Patent Office
Prior art keywords
chamber
dry article
cooling
temperature
refrigerator
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP14900349.3A
Other languages
German (de)
English (en)
Other versions
EP3187801A4 (fr
EP3187801A1 (fr
Inventor
Guoxin Yu
Enwei DING
Weiying ZHANG
Aimin Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Smart Technology R&D Co Ltd
Original Assignee
Qingdao Haier Smart Technology R&D Co Ltd
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Publication of EP3187801A1 publication Critical patent/EP3187801A1/fr
Publication of EP3187801A4 publication Critical patent/EP3187801A4/fr
Application granted granted Critical
Publication of EP3187801B1 publication Critical patent/EP3187801B1/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
    • 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
    • F25D17/042—Air treating means within refrigerated spaces
    • 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
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
    • 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
    • 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
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/19—Calculation of parameters
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2507—Flow-diverting valves
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/02—Humidity
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2104—Temperatures of an indoor room or compartment
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening

Definitions

  • the present invention is related to a refrigerator with a dry article chamber, which belongs to the field of electric home appliances.
  • General refrigerators with two cooling and circulating systems for a refrigerator and a freezing compartment respectively are known from WO2011/002182A2 , US5231847A or US2013/186129A1 .
  • JP 2009 264666 A discloses a refrigerator with the features of the preamble of claim 1.
  • Humidity generally refers to air humidity in meteorology, or water vapor content in the air excluding water in a liquid or solid state. Air not containing water vapor is called dry air. As water vapor in the atmosphere may account 0% to 4% of the air volume, when the constituents of various gases in the air are listed, it means the proportion of these constituents in dry air.
  • AH Absolute humidity
  • RH relative humidity
  • Air of an RH of 100% is saturate air. Air of an RH of 50% contains a half of the water vapor contained in saturate air with the same temperature. Generally, water vapor in air of an RH of over 100% condenses into water or ice. As the temperature rises, air can dissolve more water vapor, and the AH of air increases. When the RH value of air exceeds 100%, water vapor contained in the air condenses, which may facilitate cooling and dehumidification. If the temperature rises further, the RH value will decrease, which may facilitate drying.
  • Drying of food is mainly related with the RH.
  • Storage compartments of low RH of refrigerators are developed to store various dry articles or food requiring a dry environment (such as tea and nuts). Dry food is sensitive to the RH of the storage environment, and usually needs a relatively low RH, which may change in a small range. Otherwise, such food may deteriorate or its quality may be negatively affected.
  • a traditional method of reducing the RH of compartments utilizes the principle of cooling and dehumidification.
  • the air in a compartment is sufficiently cooled by an evaporator, so that water vapor is precipitated and air of lower absolute humidity is obtained.
  • the air of higher absolute humidity in the compartment is exchanged with the dehumidified air (that is, the air of higher absolute humidity in the compartment is driven out, and the air absolute humidity in the compartment is reduced).
  • the temperature is raised by the environment, so that lower RH is obtained and drying is realized.
  • the object of the present invention is to provide a refrigerator that can provide a dry article chamber therein with air of lower absolute humidity to achieve better dehumidification effects.
  • a refrigerator comprising: a dry article chamber, a cold chamber, a first cooling and circulating system and a second cooling and circulating system in which a coolant circulates respectively, wherein an evaporating temperature of the first cooling and circulating system is lower than that of the second cooling and circulating system, the first cooling and circulating system comprises an evaporator arranged inside the cold chamber, and a refrigerating output passage is arranged between the cold chamber and the dry article chamber.
  • the refrigerator further comprises a first capillary tube and a second capillary tube that are connected in parallel and to the evaporator, and control valves respectively arranged on the first and second capillary tubes, wherein a flow rate of the first capillary tube is smaller than that of the second capillary tube, the first cooling and circulating system comprises the evaporator and the first capillary tube, the second cooling and circulating system comprises the evaporator and the second capillary tube, and starting of the first and second capillary tubes is alternated by the control valves according to a humidity condition in the dry article chamber.
  • the refrigerator further comprises a controller, which is electrically connected to the control valves and controls the alternative starting of the first and second capillary tubes according to the humidity condition in the dry article chamber.
  • the refrigerator further comprises a cooling compartment connected with the refrigerating output passage, wherein the refrigerating output passage comprises a main passage connected with the cold chamber and a first sub-passage and a second sub-passage that are bifurcated from the main passage and respectively connect the dry article chamber and the cooling compartment.
  • the cooling compartment comprises one or a combination of a refrigerating compartment, a freezing compartment, and a changing-temperature compartment.
  • the refrigerator further comprises a freezing compartment cooled by the first cooling and circulating system, and a refrigerating compartment cooled by the second cooling and circulating system, wherein the second cooling and circulating system comprises a refrigerating evaporator, the refrigerating compartment and the freezing compartment are formed by foam layer clapboards respectively, the dry article chamber is arranged inside the refrigerating compartment, and the refrigerating output passage extends from the cold chamber, passes through the foam layer clapboards and communicates with the dry article chamber, or extends from the cold chamber to a foam layer at a side portion of the freezing compartment, and communicates with the dry article chamber from a side portion of the dry article chamber.
  • the second cooling and circulating system comprises a refrigerating evaporator
  • the refrigerating compartment and the freezing compartment are formed by foam layer clapboards respectively
  • the dry article chamber is arranged inside the refrigerating compartment
  • the refrigerating output passage extends from the cold chamber, passes through the foam layer clap
  • the refrigerator further comprises a return air passage communicating with the dry article chamber, wherein the return air passage passes downwards and through the foam layer clapboards and returns exchanging air in the dry article chamber to the freezing compartment or extends from a side or rear portion of the freezing compartment and directly communicates with the cold chamber; and one side of the return air passage is provided with a return air door.
  • the opening time of the refrigerating output passage is determined by the following steps:
  • one side of the refrigerating output passage is provided with an air door for opening the refrigerating output passage.
  • the dry article chamber is provided with a humidity sensor for detecting a relative humidity in the dry article chamber and/or a temperature sensor for detecting a temperature therein.
  • the present invention can produce the following advantageous effect.
  • the absolute humidity of the air entering the dry article chamber is much lower, realizing a lower absolute humidity in the dry article chamber.
  • the refrigerating compartment 11, the freezing compartment and the changing-temperature compartment are called cooling compartments collectively.
  • a dry article chamber 12 is arranged in the refrigerating compartment 11 whose standard temperature therein is 0-10 degrees, for example, 6-8 degrees in general.
  • a temperature in the dry article chamber 12 is lower than that in the refrigerating compartment 11, and is 3-5 degrees in general.
  • the dry article chamber 12 is provided with a first temperature sensor (not shown) for detecting a temperature in the dry article chamber 12 and a first humidity sensor (not shown) for detecting a relative humidity in the dry article chamber, and the first temperature sensor and the first humidity sensor are electrically connected with the controller.
  • the cooling and circulating systems comprise a condenser, a compressor, an evaporator 13 and capillary tubes.
  • the evaporator 13 is arranged inside a cold chamber 14 arranged at a rear side of the cooling compartment.
  • a second temperature sensor (not shown) for detecting a temperature in the cold chamber 14 and a second humidity sensor (not shown) for detecting a relative humidity in the cold chamber are arranged in the cold chamber 14, and are electrically connected with the controller.
  • the dry article chamber 12 is communicated with the cold chamber 14 and the refrigerating compartment 11 through a refrigerating output passage 15 comprising a main passage 151 connected with the cold chamber 14 and a first sub-passage 152 and a second sub-passage 153, which are bifurcated from the main passage 151 and respectively connect the dry article chamber 12 and the cooling compartment 11.
  • the capillary tubes comprise a first capillary tube 161 and a second capillary tube 162 that are connected in parallel and to the evaporator 13, wherein a flow rate of the first capillary tube 161 is smaller than that of the second capillary tube 162, and the flow rate of the second capillary tube 162 is the same as that of a capillary tube used in an existing refrigerator.
  • the condenser, the compressor, the evaporator 13 and the first capillary tube 161 form the first cooling and circulating system; and the condenser, the compressor, the evaporator 13 and the second capillary tube 162 form the second cooling and circulating system.
  • the second capillary tube 162 is switched on (i.e., the second cooling and circulating system is switched on), so that the coolant flows into the evaporator 13 through the second capillary tube 162.
  • a liquid coolant in a high-temperature and high-pressure state is depressurized to a saturated gaseous coolant in a low-temperature and low-pressure state.
  • the pressure becomes lower, the temperature becomes lower according to a gas pressure and temperature proportional relationship. Therefore, after the throttling through the capillary tube, the greater the reduction of the pressure of the coolant is, the lower the temperature of the coolant is. In other words, if the flow rate of the capillary tube becomes smaller, the pressure reduction of the coolant becomes greater and the temperature of the coolant becomes lower after throttling.
  • the two capillary tubes namely, the first capillary tube 161 and the second capillary tube 162 form the double cooling and circulating systems (i.e., the first and second cooling and circulating systems)
  • the second capillary tube 162 when the second capillary tube 162 is switched on, the flow rate of the coolant is relatively greater, the pressure reduction of the coolant depressurized by the second capillary tube 162 is not obvious, and an evaporating temperature is relatively higher; when the first capillary tube 161 is switched on, the flow rate of the coolant is relatively smaller, the pressure reduction of the coolant is obvious, and the evaporating temperature is relatively lower.
  • the first capillary tube 161 When dehumidifying and drying are needed, the first capillary tube 161 is switched on, and the coolant flows into the evaporator 13 through the first capillary tube161, so that the evaporating temperature becomes lower, and correspondingly, an absolute humidity of air in the cold chamber 14 becomes lower.
  • the second capillary tube 162 After the dehumidifying is completed, the second capillary tube 162 is switched on, and the coolant flows into the evaporator 13 through the second capillary tube 162, so that the cooling temperature of the evaporator 13 is maintained at a normal temperature range of the refrigerating compartment. That is, the temperature is raised so as to reduce the absolute humidity.
  • Control valves 18 are arranged on the first capillary tube 161 and the second capillary tube 162 respectively.
  • the controller is electrically connected to the Control valves 18, and is used for alternating the starting of the first capillary tube 161 and the second capillary tube 162 according to a humidity condition in the dry article chamber 12.
  • the controller determines the humidity condition in the dry article chamber through data detected by the first humidity sensor in the dry article chamber 12, so as to determine whether to alternate the starting of the first capillary tube 161 and the second capillary tube 162.
  • a lower side of the evaporator 13 is provided with a fan 19 arranged in the cold chamber 14.
  • One sides of the first sub-passage 152 and the second sub-passage 153 are respectively provided with a first air door 171 and a second air door 172.
  • the first sub-passage 152 and the second sub-passage 153 can be respectively opened by opening the first air door 171 and the second air door 172.
  • the opening of the first air door 171 and the second air door 172 is controlled by the controller.
  • the second sub-passage 153 is always in an open state while the cooling systems are in operation or is in the open state only when the second capillary tube 162 is opened.
  • the first sub-passage 152 is opened either when the first capillary 161 tube is opened or after the first capillary tube 161 is opened.
  • the opening time of the first sub-passage 152 may be a time that is preset in the refrigerator and later than a time for opening the first capillary tube 161, and the preset time is obtained after a plurality of tests.
  • the opening time of the first sub-passage 152 is determined by the following steps:
  • step S1 The particular implementation mode of step S1 is as follows: the controller in the refrigerator receives and processes the temperature detected by the first temperature sensor and the relative humidity detected by the first humidity sensor to obtain the absolute humidity ⁇ 1, and receives and processes the temperature detected by the second temperature sensor and the relative humidity detected by the second humidity sensor to obtain the absolute humidity p2.
  • step S1 may be as follows: the controller in the refrigerator receives and processes the temperature detected by the first temperature sensor and the relative humidity detected by the first humidity sensor to obtain the absolute humidity ⁇ 1, and receives and processes the temperature detected by the second temperature sensor to obtain the absolute humidity p2.
  • the controller in the refrigerator receives and processes the temperature detected by the first temperature sensor and the relative humidity detected by the first humidity sensor to obtain the absolute humidity ⁇ 1, and receives and processes the temperature detected by the second temperature sensor to obtain the absolute humidity p2.
  • the opening time of the second sub-passage 153 is determined by the following steps:
  • the opening time of the second sub-passage 153 may be determined by the following steps:
  • the capillary tube for forming a curve 1 is the first capillary 161
  • the capillary tube for forming a curve 2 is the second capillary tube 162. It can be seen from Fig. 2 that the dehumidifying effect reflected by the curve 2 is superior to that reflected by the curve 1.
  • the refrigerating output passage 15 is arranged among the refrigerating chamber 14, the dry article chamber 12 and the refrigerating compartment 11, and the fan 19 is arranged on one side of the evaporator 13.
  • the refrigerating output passage 15 is arranged among the cold chamber 14, the dry article chamber 12 and other cooling compartments, and the fan 19 is also arranged on the evaporator 13.
  • the first sub-passage 152 is connected with the main passage 151 and the dry article chamber 12
  • the second sub-passage 153 is connected with the main passage 151 and other cooling compartments which may include a freezing compartment.
  • the dual systems are realized by the first capillary tube 161 and the second capillary tube 162, which have different flow rates and are connected to the evaporator 13 respectively.
  • the controller is electrically connected to the control valves 18 and alternates the starting of the first capillary tube 161 and the second capillary tube 162 according to the humidity condition in the dry article chamber 12, when the first capillary tube 161 with a smaller flow rate is switched on, the absolute humidity of air in the cold chamber 14 is reduced to enable a lower evaporating temperature, and the absolute humidity of the air entering the dry article chambers 12 becomes much lower, realizing a better dehumidifying effect.
  • the refrigerating compartment 21 and the freezing compartment 22 are formed by foam layer clapboards 27 respectively.
  • a dry article chamber 23 is arranged in the refrigerating compartment 21. In the present embodiment, the dry article chamber 23 nestles up against the foam layer clapboards 27.
  • a standard temperature in the refrigerating compartment 21 is 0-10 degrees, for example, 6-8 degrees in general.
  • a temperature in the dry article chamber 23 is lower than that in the refrigerating compartment 21, and is 3-5 degrees in general.
  • the first cooling and circulating system comprises a freezing evaporator 241, a condenser, a capillary tube and a compressor
  • the second cooling and circulating system comprises a refrigerating evaporator 242, a condenser, a capillary tube and a compressor.
  • a rear side of the freezing compartment 22 is provided with a first cold chamber 251, a rear side of the refrigerating compartment 21 is provided with a second cold chamber 252; and the freezing evaporator 241 is arranged in the first cold chamber 251, and the refrigerating evaporator 242 is arranged in the second cold chamber 252.
  • a humidity sensor for detecting a relative humidity in the dry article chamber 23 and/or a temperature sensor for detecting a temperature in the dry article chamber 23 are/is arranged in the dry article chamber 23.
  • the first cold chamber 251 is communicated with the dry article chamber 23 through a first refrigerating output passage 26, which extends from the first cold chamber 251 to a position below the foam layer clapboards 27 and upwardly passes through the foam layer clapboards 27, so as to communicate with the dry article chamber 23 from the lower portion of the dry article chamber 23.
  • One side of the first refrigerating output passage 26 is provided with an air door 28 for controlling the opening or closing of the first refrigerating output passage 26.
  • the first refrigerating output passage may extend from the first cold chamber 251 to a foam layer at a side portion of the freezing compartment 22 and upwardly extend to a side portion of the dry article chamber 23, so as to communicate with the dry article chamber 23 from a side portion of the dry article chamber 23, without passing through the foam layer clapboards 27.
  • a return air passage 271 which is formed between the dry article chamber 23 and the freezing compartment 22, passes through the foam layer clapboards 27 and returns exchanging air in the dry article chamber 23 to the freezing compartment 22.
  • One side of the return air passage 271 is provided with a return air door 272.
  • the return air passage 271 may not pass through the foam layer clapboards 27, and may be an independent return air passage, which is independently arranged at a side portion or a rear portion of the refrigerator and directly communicated with the first cold chamber 251.
  • the first refrigerating output passage may comprise a main passage connected with the first cold chamber 251, and a first sub-passage and a second sub-passage, which are bifurcated from the main passage and respectively connect the dry article chamber 23 and the freezing compartment 22.
  • the structure of the first sub-passage can be the same as that of the above-mentioned first refrigerating output passage 26 which passes through the foam layer clapboards 27 or is arranged at a side portion of the freezing compartment 22.
  • the second cold chamber 252 is communicated with the refrigerating compartment 21 through a second refrigerating output passage 29.
  • the dual cooling systems (the first cooling and circulating system and the second cooling and circulating system) are implemented by two evaporators (a freezing evaporator 241 and a refrigerating evaporator 242), and the first refrigerating output passage communicates the first cold chamber 251 provided with freezing evaporator 241 with the dry article chamber 23. Therefore, the freezing evaporator 241 with a lower temperature is used to cool and dehumidify the exchanging air in the dry article chamber 23, enabling a lower absolute humidity of air entering the dry article chamber 23 and realizing a better dehumidifying effect.
  • the opening time of the refrigerating output passage may be determined by the following steps:
  • the absolute humidity of the air entering the dry article chambers 12, 23 is much lower, realizing lower absolute humidity in the dry article chambers 12, 23.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Claims (9)

  1. Réfrigérateur comprenant une chambre d'articles sèche (12, 23) et une chambre froide (14), dans lequel le réfrigérateur comprend en outre un premier système de refroidissement et de circulation et un second système de refroidissement et de circulation dans lesquels circule un fluide frigorigène, respectivement, dans lequel une température d'évaporation du premier système de refroidissement et de circulation est inférieure à celle du second système de refroidissement et de circulation, le premier système de refroidissement et de circulation comprend un évaporateur (13) agencé à l'intérieur de la chambre froide (14) et un passage de sortie de réfrigération (15) est agencé entre la chambre froide (14) et la chambre d'articles sèche (12, 23), caractérisé en ce que le réfrigérateur comprend en outre :
    un premier tube capillaire (161) et un second tube capillaire (162) qui sont raccordés en parallèle et à l'évaporateur (13), et des vannes de commande (18) respectivement agencées sur les premier et second tubes capillaires (161, 162), dans lequel un débit du premier tube capillaire (161) est plus petit que celui du second tube capillaire (162), le premier système de refroidissement et de circulation comprend l'évaporateur (13) et le premier tube capillaire (162), le second système de refroidissement et de circulation comprend l'évaporateur (13) et le second tube capillaire (162), et le démarrage des premier et second tubes capillaires (161, 162) est alterné par les vannes de commande (18) selon une condition d'humidité dans la chambre d'articles sèche (12, 23).
  2. Réfrigérateur selon la revendication 1, dans lequel le réfrigérateur comprend en outre : un dispositif de commande, qui est connecté électriquement aux vannes de commande (18) et commande le démarrage alterné des premier et second tubes capillaires (161, 162) selon la condition d'humidité dans la chambre d'articles sèche (12, 23).
  3. Réfrigérateur selon la revendication 1, dans lequel le réfrigérateur comprend en outre : un compartiment de refroidissement raccordé au passage de sortie de réfrigération (15), dans lequel le passage de sortie de réfrigération (15) comprend un passage principal (151) raccordé à la chambre froide (14) et un premier sous-passage (152) et un second sous-passage (153) qui bifurquent à partir du passage principal (151) et raccordent respectivement la chambre d'articles sèche (12, 23) et le compartiment de refroidissement.
  4. Réfrigérateur selon la revendication 3, dans lequel le compartiment de refroidissement comprend l'un ou une combinaison d'un compartiment de réfrigération (11, 21), d'un compartiment de congélation (22), et d'un compartiment à température changeante.
  5. Réfrigérateur selon la revendication 1, dans lequel le réfrigérateur comprend en outre : un compartiment de congélation (22) refroidi par le premier système de refroidissement et de circulation, et un compartiment de réfrigération (11, 21) refroidi par le second système de refroidissement et de circulation, dans lequel le second système de refroidissement et de circulation comprend un évaporateur de réfrigération (242), le compartiment de réfrigération (11, 21) et le compartiment de congélation (22) sont formés respectivement par des panneaux de recouvrement en couche de mousse (27), la chambre d'articles sèche (12, 23) est agencée à l'intérieur du compartiment de réfrigération (11, 21), et le passage de sortie de réfrigération (15) s'étend depuis la chambre froide (14), passe à travers les panneaux de recouvrement en couche de mousse (27) et communique avec la chambre d'articles sèche (12, 23), ou s'étend de la chambre froide (14) à une couche de mousse au niveau d'une portion de côté du compartiment de congélation (22), et communique avec la chambre d'articles sèche (12, 23) depuis une portion de côté de la chambre d'articles sèche (12, 23).
  6. Réfrigérateur selon la revendication 5, dans lequel le réfrigérateur comprend en outre : un passage d'air de renvoi (271) communiquant avec la chambre d'articles sèche (12, 23), dans lequel le passage d'air de renvoi (271) passe vers le bas et à travers les panneaux de recouvrement en couche de mousse (27) et renvoie de l'air d'échange dans la chambre d'articles sèche (12, 23) au compartiment de congélation (22) ou s'étend depuis une portion de côté ou arrière du compartiment de congélation (22) et communique directement avec la chambre froide (14) ; et un côté du passage d'air de renvoi (271) est muni d'une trappe d'air de renvoi (272).
  7. Réfrigérateur selon la revendication 1, dans lequel la durée d'ouverture du passage de sortie de réfrigération (15) est déterminée par les étapes suivantes :
    S1 : acquisition d'une humidité absolue ρ1 dans la chambre d'articles sèche (12, 23) et d'une humidité absolue p2 dans la chambre froide (14) ; et
    S2 : si l'humidité absolue ρ1 est supérieure à l'humidité absolue p2, ouverture du passage de sortie de réfrigération (15) ;
    ou la durée d'ouverture du passage de sortie de réfrigération (15) est déterminée par les étapes suivantes :
    S1' : acquisition d'une température de point de rosée dans la chambre d'articles sèche (12, 23) et d'une température dans la chambre froide (14) ; et
    S2' : lorsque la température dans la chambre froide (14) est inférieure à la température de point de rosée dans la chambre d'articles sèche (12, 23), ouverture du passage de sortie de réfrigération (15) ;
    ou la durée d'ouverture du passage de sortie de réfrigération (15) est déterminée par les étapes suivantes :
    S1'' : acquisition d'une température W1 dans la chambre d'articles sèche (12, 23) ; et
    S2" : comparaison de la température W1 acquise dans la chambre d'articles sèche (12, 23) à une plage de température prédéfinie D0 dans la chambre d'articles sèche (12, 23) du réfrigérateur ; si la température W1 acquise dans la chambre d'articles sèche (12, 23) est supérieure à la plage de température prédéfinie D0, ouverture du passage de sortie de réfrigération (15).
  8. Réfrigérateur selon la revendication 1, dans lequel un côté du passage de sortie de réfrigération (15) est muni d'une trappe d'air pour ouvrir le passage de sortie de réfrigération (15).
  9. Réfrigérateur selon la revendication 1, dans lequel la chambre d'articles sèche (12, 23) est munie d'un capteur d'humidité pour détecter une humidité relative dans la chambre d'articles sèche (12, 23) et/ou d'un capteur de température pour détecter une température dans celle-ci.
EP14900349.3A 2014-08-29 2014-11-28 Réfrigérateur Active EP3187801B1 (fr)

Applications Claiming Priority (2)

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CN201410432007.0A CN105466103A (zh) 2014-08-29 2014-08-29 冰箱
PCT/CN2014/092416 WO2016029576A1 (fr) 2014-08-29 2014-11-28 Réfrigérateur

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EP3187801A1 EP3187801A1 (fr) 2017-07-05
EP3187801A4 EP3187801A4 (fr) 2018-03-07
EP3187801B1 true EP3187801B1 (fr) 2020-08-19

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EP (1) EP3187801B1 (fr)
JP (1) JP6423965B2 (fr)
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AU (1) AU2014404815B2 (fr)
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WO (1) WO2016029576A1 (fr)

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US9994385B2 (en) 2016-06-06 2018-06-12 Google Llc Shipping container with multiple temperature zones
CN107883664A (zh) * 2016-09-30 2018-04-06 松下电器研究开发(苏州)有限公司 干物制备装置、干物制备方法以及冰箱
DE102016220163A1 (de) * 2016-10-14 2018-04-19 BSH Hausgeräte GmbH Kältegerät mit Dörrfunktion und Betriebsverfahren dafür
CN108548362B (zh) * 2018-03-26 2021-05-25 重庆海尔制冷电器有限公司 具有干燥区的冰箱及干燥区的除湿方法
CN110440497A (zh) * 2018-05-04 2019-11-12 青岛海尔智能技术研发有限公司 一种冰箱及其控制方法
CN110440517B (zh) * 2018-05-04 2022-10-28 青岛海尔智能技术研发有限公司 一种冰箱的湿度控制方法、装置、存储介质和冰箱
CN110440519B (zh) * 2018-05-04 2022-11-04 青岛海尔智能技术研发有限公司 一种冰箱的控制方法、装置、存储介质和冰箱
CN111121368B (zh) * 2018-11-01 2022-10-28 博西华电器（江苏）有限公司 制冷器具及其控制方法
CN111854265B (zh) * 2019-04-30 2022-06-14 松下电器研究开发(苏州)有限公司 冰箱及其控制方法
CN115507599B (zh) * 2021-06-07 2024-03-19 青岛海尔电冰箱有限公司 冷藏冷冻装置及其控制方法

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RU2655212C1 (ru) 2018-05-24
CN105466103A (zh) 2016-04-06
AU2014404815B2 (en) 2019-03-07
JP2017528682A (ja) 2017-09-28
AU2014404815A1 (en) 2017-03-09
WO2016029576A1 (fr) 2016-03-03
EP3187801A4 (fr) 2018-03-07
US20170276420A1 (en) 2017-09-28
EP3187801A1 (fr) 2017-07-05
JP6423965B2 (ja) 2018-11-14

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