EP3951291B1 - Kühl- und gefriervorrichtung - Google Patents

Kühl- und gefriervorrichtung Download PDF

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Publication number
EP3951291B1
EP3951291B1 EP20805591.3A EP20805591A EP3951291B1 EP 3951291 B1 EP3951291 B1 EP 3951291B1 EP 20805591 A EP20805591 A EP 20805591A EP 3951291 B1 EP3951291 B1 EP 3951291B1
Authority
EP
European Patent Office
Prior art keywords
air
air supply
storage
disposed
air return
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
EP20805591.3A
Other languages
English (en)
French (fr)
Other versions
EP3951291A4 (de
EP3951291A1 (de
Inventor
Xiaobing Zhu
Bin Fei
Xueli CHENG
Chunyang Li
Lisheng JI
Zhanpeng CUI
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 Refrigerator Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home 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 Qingdao Haier Refrigerator Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Refrigerator Co Ltd
Publication of EP3951291A1 publication Critical patent/EP3951291A1/de
Publication of EP3951291A4 publication Critical patent/EP3951291A4/de
Application granted granted Critical
Publication of EP3951291B1 publication Critical patent/EP3951291B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • F25D17/06—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
    • 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
    • F25D17/08—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 using ducts
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • 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
    • F25D2400/36—Visual displays
    • F25D2400/361—Interactive visual displays
    • 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
    • F25D2700/12—Sensors measuring the inside temperature
    • 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
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/123—Sensors measuring the inside temperature more than one sensor measuring the inside temperature in a compartment

Definitions

  • the present invention relates to the technical field of refrigeration equipment, and more particularly relates to a refrigerating and freezing device.
  • refrigerators have also become indispensable household appliances in people's daily lives.
  • Existing refrigerating compartments of refrigerators adopt unified temperature control, and each layer is at a unified set temperature of 0-5°C, but different foods have different optimal storage temperatures. If a user sets the temperature to a low gear of 0°C, the temperature of the entire refrigerating compartment is about 0°C. If foods with the optimal storage temperature greater than 5°C are stored at this temperature, the food fresh-keeping period will be greatly shortened, and the food deterioration and decay will be accelerated.
  • WO2016206215 discloses a partitioned-cooling control method and partitioned-cooling control device for the refrigerated compartment of a refrigerator.
  • the refrigerated compartment of the refrigerator is divided into a plurality of storage spaces (140).
  • the refrigerated compartment is internally provided with an infrared sensing device (130) and a branching air supply device (220).
  • the partitioned-cooling control method comprises: obtaining the temperatures, sensed by the infrared device (130), of items stored inside the plurality of storage spaces; determining whether the temperatures of the stored items satisfy preset conditions for the activation of rapid cooling; if so, then driving a cold source to run in rapid cooling mode and opening a refrigeration air door (250) between the cold source and the branching air supply device (220), wherein when in rapid cooling mode, the cooling fan (230) and compressor in the cold source both run at a rotational speed higher than in the normal cooling mode; according to the temperature of the items stored in each of the storage spaces, determining the cooling state identifier setting of the storage space; driving the branching air supply device (220) to run until it is in a state corresponding to the cooling state identifier of each of the plurality of storage spaces.
  • KR 1998 0025387 A relates to a temperature control method and an apparatus for a refrigerator according to a temperature control method based on the temperature of the refrigerator compartment.
  • the present invention is proposed so as to provide a refrigerating and freezing device solving or at least partially solving the above problems.
  • Independent partitions of a refrigerating compartment of a refrigerator can be realized, and each layer of partition can realize independent adjustment of multi-gear temperatures of 2°C, 5°C, 10°C (low, medium, high) and the like, so that users can adjust the temperature of each layer of the refrigerator according to their own requirements and habits.
  • Through balanced control on the temperature and the humidity optimal storage environment zones for different foods are achieved, and the users are guided to correctly place the foods into the optimal storage space.
  • the present invention provides a refrigerating and freezing device, including:
  • the gear generation device includes at least two display control panels disposed on inner side walls of each of the storage spaces; each of the display control panels is configured to receive a signal and generate the gear instructions of one of the gear instruction groups; and each of the display control panels is further configured to display suggestions for types of articles stored in the corresponding storage space; or the gear generation device includes at least two adjustment buttons and indication icons disposed in a manner of corresponding to each of the gear instructions of each of the adjustment buttons; and each of the indication icons includes at least information suggesting types of articles stored in the corresponding storage space.
  • the at least two storage spaces are sequentially disposed in a vertical direction; and the air path system includes:
  • the on-off control device is a shunt air supply device including a shell, at least two air outlets disposed on a peripheral wall of the shell and an adjusting element rotatably disposed inside the shell; the adjusting element is provided with at least one shielding portion configured to shield the at least two air outlets in a controlled manner so as to adjust respective air outlet areas of the at least two air outlets; and each of the air outlets communicates with one of the storage spaces through the corresponding air supply port.
  • a drawer space is further separated from the first storage compartment by the at least one storage rack; the drawer space is disposed at a lower side of three of the storage spaces; the air path system is further provided with a second air return port formed on the air return assembly; and the second air return port communicates with the drawer space and the cooling chamber.
  • the quantity of the storage spaces is three, and the quantity of the first air return ports is three; and three of the first air return ports and the second air return port are sequentially disposed in a vertical direction.
  • the at least two air outlets include a first air outlet, and a second air outlet and a third air outlet formed at two sides of the first air outlet; the first air outlet is upward;
  • an area ratio between the first air return port at the uppermost side and the first air return port under the first air return port at the uppermost side is 2 to 3;
  • the refrigerating and freezing device further includes:
  • an air return duct is disposed in the air return assembly, and each of the first air return ports respectively communicates with the air return duct;
  • the independent partitions of the refrigerating compartment of the refrigerator can be realized, and each layer of partition can realize independent adjustment of multi-gear temperatures of 2°C, 5°C, 10°C (low, medium, high) and the like, so that users can adjust the temperature of each layer of the refrigerator according to their own requirements and habits.
  • optimal storage environment zones for different foods are achieved, and the users are guided to correctly place the foods into the optimal storage space.
  • the independent temperature control and fast refrigeration of each layer of the refrigerating compartment can be realized; the temperature fluctuation of each layer is reduced; and fresh keeping and energy saving are realized.
  • independent adjustability of the temperature of each layer of 3 gears and the like can also be realized, so that the foods are stored at an optimal temperature interval, which greatly prolongs the fresh-keeping period of the foods, makes it more convenient for the users to use, and saves more energy at the same time.
  • FIG 1 is a schematic structure diagram of a refrigerating and freezing device according to an embodiment of the present invention. As shown in Figure 1 , and referring to Figure 2 to Figure 8 , arrows in the figures can show flowing directions of airflows.
  • the embodiment of the present invention provides a refrigerating and freezing device.
  • the refrigerating and freezing device includes a cabinet 20, and storage compartments are defined in the cabinet 20.
  • the refrigerating and freezing device is further provided with doors configured to open and close the storage compartments.
  • the storage compartments can include a first storage compartment, a second storage compartment and a third storage compartment.
  • the first storage compartment can be a refrigerating compartment.
  • the second storage compartment can be a freezing compartment.
  • the third storage compartment can be a variable-temperature compartment.
  • the doors can include a first door 30, a second door and a third door, so as to respectively open or close the first storage compartment, the second storage compartment and the third storage compartment.
  • a temperature in the freezing compartment is generally in a range of -22°C to -14°C.
  • a temperature in the variable-temperature compartment can be freely adjusted to -18°C to 8°C.
  • a refrigerating system is configured to provide cooling capacity to the storage compartments.
  • the refrigerating system can be a refrigerating circulation system consisting of a compressor, a condenser, a throttling device, an evaporator 27, etc.
  • the evaporator 27 is configured to directly or indirectly provide cooling capacity to the storage compartments. Since the refrigerating system of the refrigerating and freezing device per se is well known to those skilled in the art, the descriptions thereof are omitted herein.
  • a cooling chamber can be disposed in the cabinet 20, and can be specifically disposed at a back side of the third storage compartment. The cooling chamber is configured to accommodate the evaporator 27.
  • the quantity of the cooling chambers and the evaporators 27 can be one or more. When one evaporator 27 is used, the cooling capacity is provided to all of the storage compartments. When a plurality of evaporators 27 are used, each of the evaporators 27 can provide cooling capacity to one storage compartment.
  • At least one storage rack 40 is disposed in the first storage compartment, so that the first storage compartment is separated into at least two storage spaces 21 by the storage rack 40.
  • the refrigerating and freezing device further includes an air path system and a gear generation device 50.
  • the air path system is provided with at least two air supply ports, at least two first air return ports 81 and an on-off control device. Each air supply port communicates with the cooling chamber and one storage space 21. Each first air return port 81 communicates with one storage space 21 and the cooling chamber.
  • the on-off control device 60 is configured to control airflows from the cooling chamber to flow towards one or more of the at least two air supply ports so as to control all or part of the airflows to flow towards the corresponding storage space 21.
  • the on-off control device 60 can enable the airflows from the cooling chamber to only flow towards one storage space 21, and can also enable the airflows to flow towards two or more storage spaces 21 at the same time, i.e., can be used to adjust the air supply of respective storage spaces 21.
  • the gear generation device 50 is configured to generate at least two gear instruction groups.
  • Each gear instruction group includes a plurality of gear instructions, and correspondingly controls one storage space 21.
  • Each gear instruction includes control information enabling the corresponding storage space 21 to be at a target temperature or within a target temperature range, so that the refrigerating and freezing device controls the on-off control device 60 according to each gear instruction to control the temperature in the corresponding storage space 21.
  • the gear generation device 50 includes at least two display control panels disposed on inner side walls of each storage space 21; each display control panel is configured to receive a signal and generate gear instructions of one of the gear instruction groups, and each display control panel is further configured to display suggestions for types of articles stored in the corresponding storage space 21.
  • Each display control panel can be disposed adjacent to the corresponding storage space 21. Further, each display control panel can perform information input in modes of sliding, clicking, etc.
  • the gear generation device 50 can be a general touch display screen of the refrigerating and freezing device.
  • the gear generation device 50 includes at least two adjustment buttons, and indication icons disposed in a manner of corresponding to each gear instruction of each adjustment button.
  • Each indication icon includes at least information suggesting types of articles stored in the corresponding storage space.
  • Each adjustment button can be a mechanical press key structure such as a knob.
  • the indication icons can be icons disposed near the adjustment buttons and disposed at an inner side of the cabinet of the refrigerator, and can be disposed in modes of carving, silk screen printing, hollow structures, etc.
  • the indication icons can be signs of representative articles of suggesting types of articles stored in the corresponding storage space.
  • each indication icon includes at least a target temperature or a target temperature range in the corresponding storage space.
  • the gear generation device 50 can further include at least two indication lamps.
  • Each gear instruction of each adjustment button is associated with one indication lamp, so that the corresponding indication lamp is turned on when the adjustment button indicates the corresponding gear instruction, and further the corresponding indication icon is displayed in a highlight manner, i.e., is illuminated so as to be convenient for users to observe.
  • the indication icons can also be displayed by a display screen, and combination of the mechanical press keys and the display by the display screen can be realized. Further, the indication icons can also be characters directly, i.e., the display screen can display all information associated with the corresponding gear instruction.
  • the independent partitions of the refrigerating compartment of the refrigerator can be realized, and each layer of partition can realize independent adjustment of multi-gear temperatures of 2°C, 5°C, 10°C (low, medium, high) and the like, so that users can adjust the temperature of each layer of the refrigerator according to their own requirements and habits.
  • optimal storage environment zones for different foods are achieved, and the users are guided to correctly place the foods into the optimal storage space.
  • temperatures of each layer of the refrigerator are identical, but different foods have different optimal storage temperatures and humidity, so that the user dares not put some low temperature instant food and tropical fruits into a refrigeration refrigerator.
  • each refrigerating layer of the refrigerator can be freely adjusted according to the requirements of the user, so that the foods are stored in an optimal storage space, and the user is guided to correctly place the foods in the optimal storage space.
  • Each storage space 21 is provided with its own independent air outlet and independent air return, and each storage space 21 can realize the multi-gear change and free switching of the temperature.
  • every change of one degree centigrade of the target temperature in the storage space can be used as a new gear.
  • This can be called stepless gear adjustment.
  • the on-off control device 60 is a shunt air supply device, which may include a shell, at least two air outlets disposed on a peripheral wall of the shell and an adjusting element rotatably disposed inside the shell.
  • the adjusting element is provided with at least one shielding portion configured to shield the at least two air outlets in a controlled manner so as to adjust respective air outlet areas of the at least two air outlets; and each air outlet communicates with one storage space 21 through the corresponding air supply port.
  • the adjusting element can be driven to rotate by a motor and a gear transmission mechanism.
  • 7 or 8 kinds of air supply modes can be realized, such as fully opened, fully closed, one air outlet opened (3 kinds) and two air outlets opened (3 kinds).
  • the at least two storage spaces 21 are sequentially disposed in a vertical direction.
  • the air path system includes an air supply assembly 70 and an air return assembly 80.
  • the air supply assembly 70 is disposed at a back portion of the first storage compartment, and is provided with at least two air supply ports.
  • the on-off control device 60 is disposed in the air supply assembly 70.
  • the air return assembly 80 is disposed at one transverse side of the air supply assembly 70, and is provided with at least two first air return ports 81.
  • a drawer space 22 is separated from the first storage compartment by the at least one storage rack 40.
  • the drawer space 22 is disposed at a lower side of the three storage spaces 21.
  • the air path system is further provided with a second air return port 82 formed on the air return assembly 80. The second air return port 82 communicates with the drawer space 22 and the cooling chamber.
  • Each storage rack 40 is preferably a storage plate, a separation plate and the like, and a sealing structure is disposed between each storage rack and a compartment wall of the first storage compartment.
  • At least one bottle holder 31 is further disposed at a back side of the first door 30. Additionally, a lower portion of each bottle holder 31 is located at a front side of one storage rack 40. When the first door 30 is closed, each bottle holder 31 is in contact with the storage rack 40.
  • airflows can be allowed to downwards flow to the drawer space 22 through a position between the storage space 21 at the lowermost side and the bottle holder 31 at the front side thereof.
  • the drawer space 22 can be further separated into a plurality of sub drawer spaces 22 by separation plates, so as to accommodate a plurality of drawers 23.
  • the quantity of the storage spaces 21 is three, and the quantity of the first air return ports 81 is three.
  • the three first air return ports 81 and the second air return port 82 are sequentially disposed in an up and down direction.
  • Each first air return port 81 is formed in one side of a lower portion of the corresponding storage space 21.
  • the second air return port 82 is formed in one side of a lower portion of the drawer space 22.
  • the at least two air outlets include a first air outlet, and a second air outlet and a third air outlet formed at two sides of the first air outlet.
  • the first air outlet is upward.
  • the air supply ports communicating with the storage space 21 at the uppermost side are first air supply ports, and there are four, respectively formed at two sides of an upper portion and two sides of a middle portion of the storage space 21.
  • the air supply ports communicating with the storage space 21 in the middle are second air supply ports, and there are two, respectively formed at two sides of the upper portion of the storage space 21.
  • the air supply port communicating with the storage space 21 at the lowermost side is a third air supply port, and there is one, formed at one side of the upper portion of the storage space 21.
  • the air supply assembly 70 is internally provided with a first air supply duct 71, a second air supply duct 72, a spanning air duct 73 and a third air supply duct 74.
  • the first air supply duct 71 communicates with the first air outlet by a lower end, and communicates with the four first air supply ports by an upper end.
  • the second air supply duct 72 is disposed at one side of the first air supply duct 71, communicating with the second air outlet by a lower end, and communicating with one second air supply port and the spanning air duct 73 by an upper end.
  • the spanning air duct 73 spans across the first air supply duct 71, and communicates with the other second air supply port.
  • the third air supply duct 74 is disposed at the other side of the first air supply duct 71, communicating with the third air outlet by a lower end, and communicating with the third air supply port by an upper end.
  • the third air supply duct 74 and the third air supply port are both located at one side of the first air supply duct 71 far away from the air return assembly 80.
  • an air return duct is disposed in the air return assembly 80, and each first air return port 81 respectively communicates with the air return duct.
  • the air return duct is provided with a general air return port 83 communicating with the cooling chamber.
  • An air inlet is also formed in the air supply assembly 70, and can communicate with the cooling chamber through an air inlet pipeline. Additionally, a fan 28 for promoting the flowing of airflow can also be disposed at an outlet of the cooling chamber.
  • An area ratio between the first air return port 81 at the uppermost side and the first air return port 81 under the first air return port at the uppermost side is 2 to 3.
  • An area ratio between the first air return port 81 at the lowermost side and the first air return port 81 above the first air return port at the lowermost side is 1/2 to 7/10.
  • An area ratio between the first air return port 81 at the lowermost side and the second air return port 82 is 1/10 to 1/5.
  • at least two temperature sensors 51 are further disposed in the air supply assembly 70, so as to respectively detect a temperature in each storage space 21, which enables the refrigerating and freezing device to perform control according to the temperature detected by the temperature sensors 51.
  • Each temperature sensor 51 can sense the temperature change in the corresponding storage space 21.
  • cold air from the cooling chamber is transmitted into the air supply assembly 70.
  • An air volume distributor i.e., a shunt air supply device is installed in the air supply assembly 70, and the distributor realizes independent air supply or combined arbitrary air supply to each layer of air path.
  • the air reaches each layer, returns through independent air return ports of each layer, and then converges to the inside of the air return duct assembly to return to the cooling chamber together.
  • a sealed state is formed between the storage rack 40 and an inner liner of the cabinet 20, so as to prevent the influence of cold air sinking on the temperature fluctuation and control of a next layer.
  • the display control panels are provided with 2°C, 5°C and 10°C selection buttons (or low, medium and high) for gear selection.
  • information of types of articles for storage can be displayed to remind a user of recommended zones of different articles.
  • the corresponding air outlet on the shunt air supply device is closed to stop air supply.
  • the temperatures between the storage rack 40 and the bottle holders 31 are identical.
  • the air path circulations of a second layer of storage space 21 (the storage space 21 in the middle) and the first layer of storage space 21 are identical.
  • a part of the air of a third layer of storage space 21 (the storage space 21 at the lowermost side) reaches the bottle holders 31 and the first door 30 through the storage rack 40, and the other part of the air will go down towards the drawer zone to convey cooling capacity.
  • the cooling capacity ratio of each layer is controlled through controlling the size of the air return port, and the balance of the set temperature is reached.
  • the distributor supplies the air to the required layer.
  • One independent air return port is disposed in each storage space 21 and the drawer spaces 22; the size of each air return port is subjected to strict calculation and simulated analysis; factors such as heat conduction and refrigerating capability are considered, and an area ratio of four air return ports including the three first air return ports 81 from top to bottom and the second air return port 82 is preferably 6:2.5:1.5:10.
  • the refrigerating and freezing device can realize the multilayer partition temperature control of the refrigerating compartment.
  • Each layer can realize three-gear variable temperature.
  • the users can freely select a temperature interval according to their own requirements.
  • the size proportion of the air return ports is strictly calculated to reach the temperature balance.
  • Due to the set structure mode of the air return ports, the variable-temperature adjustable and humidity adjustable air path circulation mode of the refrigerating and freezing device is realized through cooperation of the air return ports, the storage rack 40 and the bottle holder 31.
  • Each display control panel can be disposed in a position on the side wall of each storage space 21 and near the first door 30, so that the operation is convenient.
  • the users can freely adjust the temperature according to their own habits, which is convenient for the users to use.
  • the user can be guided to correctly place the foods for storage, and the waste is reduced.
  • the foods which cannot be placed into the refrigerator for storage can be placed into the refrigerator to prolong the storage period now.
  • the foods can be stored in an optimal temperature and humidity environment, and the fresh-keeping effect is greatly improved.
  • the air is only supplied when the zone in each layer needs the air supply, so that too low storage temperature of the foods is prevented, and the energy is saved.

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

Claims (6)

  1. Eine Kühl- und Gefriervorrichtung umfassend:
    ein erstes Lagerfach, das innen mit mindestens einem Lagerregal (40) versehen ist, sodass das erste Lagerfach durch das Lagerregal (40) in mindestens zwei Lagerräume (21) getrennt ist;
    eine Kühlkammer, die so gestaltet ist, dass sie einen Verdampfer (27) der Kühl- und Gefriervorrichtung aufnimmt;
    ein Luftpfadsystem, das mit mindestens zwei Luftzuführungsöffnungen, mindestens zwei ersten Luftrückführungsöffnungen (81) und einer Ein-Aus-Steuerungsvorrichtung (60) versehen ist, wobei jede der Luftzuführungsöffnungen mit der Kühlkammer und einem der Lagerräume (21) in Verbindung steht und jede der ersten Luftrückführungsöffnungen (81) mit einem der Lagerräume (21) und der Kühlkammer in Verbindung steht; die Ein-Aus-Steuervorrichtung (60) so konfiguriert ist, dass sie Luftströme von der Kühlkammer so steuert,
    dass sie zu einer oder mehreren der mindestens zwei Luftzuführungsöffnungen strömen, um so alle oder einen Teil der Luftströme so zu steuern, dass sie zu dem entsprechenden Lagerraum (21) strömen; und
    eine Getriebeerzeugungsvorrichtung (50), die so gestaltet ist, dass sie mindestens zwei Getriebeanweisungsgruppen erzeugt, wobei jede der Getriebeanweisungsgruppen eine Vielzahl von Getriebeanweisungen umfasst und entsprechend einen der Lagerräume (21) steuert; wobei jeder der Getriebeanweisungen Steuerinformationen umfasst, die es dem entsprechenden Lagerraum (21) ermöglichen, sich auf einer Zieltemperatur oder innerhalb eines Zieltemperaturbereichs zu befinden, sodass die Kühl- und Gefriervorrichtung die Ein-Aus-Steuervorrichtung (60) gemäß jeder der Getriebeanweisungen steuert, um eine Temperatur in dem entsprechenden Lagerraum (21) zu steuern, wobei die mindestens zwei Lagerräume (21) aufeinanderfolgend in vertikaler Richtung angeordnet sind, und das Luftpfadsystem umfasst:
    eine Luftzuführungsanordnung (70), die an einem hinteren Abschnitt des ersten Lagerfachs angeordnet ist und mit den mindestens zwei Luftzuführungsöffnungen versehen ist, wobei die Ein-Aus-Steuerungsvorrichtung (60) in der Luftzuführungsanordnung (70) angeordnet ist; und eine Luftrückführungsanordnung, die an einer Querseite der Luftzuführungsanordnung angeordnet ist und mit den mindestens zwei ersten Luftrückführungsöffnungen (81) versehen ist, wobei die Ein-Aus-Steuervorrichtung (60) eine Nebenwiderstand-Luftzuführungsvorrichtung ist, die ein Gehäuse, mindestens zwei an einer Umfangswand des Gehäuses angeordnete Luftauslässe und ein drehbar innerhalb des Gehäuses angeordnetes Einstellelement umfasst; wobei das Einstellelement mit mindestens einem Abschirmungsabschnitt versehen ist, der so gestaltet ist, dass er die mindestens zwei Luftauslässe in einer gesteuerten Weise abschirmt, um die jeweiligen Luftauslassflächen der mindestens zwei Luftauslässe einzustellen; und jeder der Luftauslässe mit einem der Lagerräume (21) durch die entsprechende Luftzufuhröffnung in Verbindung steht, wobei ein Schubladenraum (22) weiter von dem ersten Lagerfach durch das mindestens eine Lagerregal (40) getrennt ist; der Schubladenraum (22) an einer unteren Seite von drei der Lagerräume (21) angeordnet ist; das Luftpfadsystem weiter mit einer zweiten Luftrückführungsöffnung (82) versehen ist, die an der Luftrückführungsanordnung ausgebildet ist; und die zweite Luftrückführungsöffnung (82) mit dem Schubladenraum (22) und der Kühlkammer in Verbindung steht, dadurch gekennzeichnet, dass:
    eine erste Tür (30), die an dem ersten Lagerfach angebracht und so ausgestaltet ist, dass sie das erste Lagerfach öffnet oder schließt; und
    mindestens einen Flaschenhalter (31), der an einer Rückseite der ersten Tür (30) angeordnet ist, wobei ein unterer Abschnitt jedes der Flaschenhalter (31) an einer Vorderseite eines der Lagerregale (40) angeordnet ist, und wenn die erste Tür (30) geschlossen ist, jeder der Flaschenhalter (31) in Kontakt mit dem Lagerregal (40) ist.
  2. Die Kühl- und Gefriervorrichtung gemäß Anspruch 1, wobei die
    Getriebeerzeugungsvorrichtung (50) mindestens zwei Anzeigesteuertafeln umfasst, die an inneren Seitenwänden der Lagerräume (21) angeordnet sind; wobei jede der Anzeigesteuertafeln so gestaltet ist, dass sie ein Signal empfängt und die Getriebeanweisungen einer der Getriebeanweisungsgruppen erzeugt; und wobei jede der Anzeigesteuertafeln weiterhin so gestaltet ist, dass sie Vorschläge für Arten von Artikeln anzeigt, die in dem entsprechenden Lagerraum (21) gelagert sind; oder
    die Getriebeerzeugungsvorrichtung (50) mindestens zwei Einstellknöpfe und Anzeigesymbole umfasst, die so angeordnet sind, dass sie jeder der Getriebeanweisungen jedes der Einstellknöpfe entsprechen; und jedes der Anzeigesymbole mindestens Informationen umfasst, die Arten von Artikeln vorschlagen, die in dem entsprechenden Lagerraum (21) gelagert sind.
  3. Die Kühl- und Gefriervorrichtung gemäß Anspruch 1, wobei die Anzahl der Lagerräume (21) drei ist und die Anzahl der Luftrückführungsöffnungen (81) drei ist; jede der ersten Luftrückführungsöffnungen (81) in einer Seite eines unteren Abschnitts des entsprechenden Lagerraums (21) ausgebildet ist; und die zweite Luftrückführungsöffnung (82) in einer Seite eines unteren Abschnitts des Schubladenraums (22) ausgebildet ist.
  4. Die Kühl- und Gefriervorrichtung gemäß Anspruch 3, wobei die mindestens zwei Luftauslässe einen ersten Luftauslass, einen zweiten Luftauslass und einen dritten Luftauslass umfassen, der an zwei Seiten des ersten Luftauslasses ausgebildet ist; und der erste Luftauslass nach oben gerichtet ist;
    die Luftzuführungsöffnungen, die mit dem Lagerraum (21) an der obersten Seite in Verbindung stehen, erste Luftzuführungsöffnungen sind, und es vier gibt, die jeweils an zwei Seiten eines oberen Abschnitts und zwei Seiten eines mittleren Abschnitts des Lagerraums (21) ausgebildet sind;
    die mit dem Lagerraum (21) in der Mitte in Verbindung stehenden Luftzuführungsöffnungen zweite Luftzuführungsöffnungen sind und jeweils zwei an zwei Seiten des oberen Abschnitts des Lagerraums (21) ausgebildet sind;
    die Luftzuführungsöffnungen, die mit dem Lagerraum (21) an der untersten Seite in Verbindung stehen, eine dritte Luftzuführungsöffnung sind, und es eine gibt, die an einer Seite des oberen Abschnitts des Lagerraums (21) ausgebildet ist;
    die Luftzuführungsanordnung (70) ist im Inneren mit einer Vorrichtung versehen:
    einen ersten Luftzuführungskanal (71), der über ein unteres Ende mit dem ersten Luftauslass und über ein oberes Ende mit vier der ersten Luftzuführungsöffnungen verbunden ist;
    einen zweiten Luftzuführungskanal (72) und einen überspannenden Luftkanal (73), wobei der zweite Luftzuführungskanal (72) an einer Seite des ersten Luftzuführungskanals (71) angeordnet ist, über ein unteres Ende mit dem zweiten Luftauslass in Verbindung steht und über ein oberes Ende mit einem der zweiten Luftzuführungsöffnungen und dem überspannenden Luftkanal (73) in Verbindung steht; und der überspannende Luftkanal (73) den ersten Luftzuführungskanal (71) überspannt und mit der anderen der zweiten Luftzuführungsöffnungen in Verbindung steht; und
    einen dritten Luftzuführungskanal (74), der auf der anderen Seite des ersten Luftzuführungskanals (71) angeordnet ist, an einem unteren Ende mit dem dritten Luftauslass in Verbindung steht und an einem oberen Ende mit der dritten Luftzuführungsöffnung in Verbindung steht.
  5. Die Kühl- und Gefriervorrichtung gemäß Anspruch 4, wobei ein Flächenverhältnis zwischen der ersten Luftrückführungsöffnung (81) an der obersten Seite und der ersten Luftrückführungsöffnung (81) an der obersten Seite 2 bis 3 beträgt;
    ein Flächenverhältnis zwischen der ersten Luftrückführungsöffnung (81) an der untersten Seite und der ersten Luftrückführungsöffnung (81) oberhalb der ersten Luftrückführungsöffnung (81) an der untersten Seite 1/2 bis 7/10 beträgt;
    ein Flächenverhältnis zwischen der ersten Luftrückführungsöffnung (81) an der untersten Seite und der zweiten Luftrückführungsöffnung (82) 1/10 bis 1/5 beträgt;
  6. Die Kühl- und Gefriervorrichtung gemäß Anspruch 1, wobei ein Luftrückführungskanal in der Luftrückführungsanordnung angeordnet ist, und jede der ersten Luftrückführungsöffnungen (81) jeweils mit dem Luftrückführungskanal verbunden ist;
    eine Dichtungsstruktur zwischen jedem der Lagerregale (40) und einer Trennwand des ersten Lagerfachs angeordnet ist; und
    mindestens zwei Temperatursensoren (51) in der Luftzuführungsanordnung (70) angeordnet sind, um jeweils eine Temperatur in jedem der Lagerräume (21) zu erfassen.
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