WO2019193861A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2019193861A1
WO2019193861A1 PCT/JP2019/006738 JP2019006738W WO2019193861A1 WO 2019193861 A1 WO2019193861 A1 WO 2019193861A1 JP 2019006738 W JP2019006738 W JP 2019006738W WO 2019193861 A1 WO2019193861 A1 WO 2019193861A1
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WO
WIPO (PCT)
Prior art keywords
rapid cooling
cooling operation
refrigerator
temperature
ventilation fan
Prior art date
Application number
PCT/JP2019/006738
Other languages
English (en)
Japanese (ja)
Inventor
翔太 垣内
慶修 有年
一瑳 多賀
朗 川勾
Original Assignee
パナソニックＩｐマネジメント株式会社
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 パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to BR112020019414-0A priority Critical patent/BR112020019414A2/pt
Publication of WO2019193861A1 publication Critical patent/WO2019193861A1/fr

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    • 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
    • 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
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • 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

Definitions

  • the present invention relates to a refrigerator having a freezing room capable of being rapidly cooled.
  • An object of the present invention is to provide a refrigerator in which a user can set a rapid cooling time.
  • the refrigerator of the present invention is set by a storage room, a ventilation fan for discharging cool air provided on the top surface of the storage room, a setting means for setting a rapid cooling time based on a user instruction, and a setting means Control means for executing a rapid cooling operation using the ventilation fan based on the rapid cooling time.
  • the refrigerator of the present invention it is possible to provide a refrigerator in which the user can set the rapid cooling time.
  • FIG. 1 is a front view of a refrigerator according to Embodiment 1 of the present invention.
  • Figure 2 shows the air path configuration of the refrigerator 3 is a longitudinal sectional view of the refrigerator.
  • FIG. 4 is a cross-sectional view of the main part of the first embodiment of the present invention.
  • FIG. 5 is a main part plan view of the first embodiment of the present invention.
  • FIG. 6 is a perspective view of a main part of the first embodiment of the present invention.
  • FIG. 7 is a time chart at the time of rapid cooling according to the first embodiment of the present invention.
  • FIG. 8 is a flowchart at the time of rapid cooling of automatic setting according to the first embodiment of the present invention.
  • FIG. 9 is a flowchart of another automatic setting rapid cooling according to the second embodiment of the present invention.
  • FIG. 10 is a flowchart at the time of rapid cooling of manual setting according to the third embodiment of the present invention.
  • the refrigerator according to the first aspect includes a storage room, a ventilation fan for discharging cool air, which is provided on the top surface of the storage room, and setting means for setting a rapid cooling time based on a user instruction; Control means for executing a rapid cooling operation using the ventilation fan based on the rapid cooling time set by the setting means.
  • an air passage for guiding the cold air to the ventilation fan is provided on the top surface of the storage chamber.
  • a duct cover that forms an air passage for guiding the cold air to the ventilation fan is provided on the top surface of the storage chamber, and a rear end of the duct cover is a freezer.
  • the ventilation fan communicates with the chamber duct, and the ventilation fan is fixed to the duct cover.
  • a plurality of ventilation holes are provided between the ventilation fan and a rear end of the duct cover. Thereby, even if the ventilation fan is stopped, the cold air is supplied to the storage chamber through the ventilation hole.
  • the refrigerator which concerns on a 5th aspect WHEREIN The part which opposes the said ventilation fan among the said top
  • the storage room is set in a freezing temperature zone.
  • the control means when the control means starts the rapid cooling operation, the ventilation fan starts rotating, and the rapid cooling set by the setting means after the rapid cooling operation starts.
  • the control means ends the rapid cooling operation, and the ventilation fan continues to rotate from the start of the rapid cooling operation to the end thereof.
  • the ventilation fan starts rotating, and when the rapid cooling operation starts, the number of rotations of the cooling fan decreases, and the rapid cooling
  • a predetermined damper is closed, and when the rapid cooling operation is started, the rotation speed of the compressor is increased.
  • the predetermined damper includes at least a cold room damper and a vegetable room damper.
  • the control means when the temperature of the refrigerator compartment is higher than the first temperature or when the temperature of the vegetable compartment is higher than the second temperature, the control means does not start the rapid cooling operation. Thereby, it can prevent that the temperature of a refrigerator compartment or a vegetable compartment becomes higher than desired temperature by execution of rapid cooling operation.
  • the rotation of the ventilation fan stops, and when the rapid cooling operation ends, the rotation speed of the cooling fan becomes a normal rotation number.
  • the predetermined damper is opened, and when the quick cooling operation is finished, the rotational speed of the compressor returns to the normal rotational speed.
  • the predetermined damper includes at least a cold room damper and a vegetable room damper.
  • the refrigerator according to the thirteenth aspect does not start the rapid cooling operation when the temperature of the refrigerator compartment is higher than the first temperature or when the temperature of the vegetable compartment is higher than the second temperature.
  • the control means ends the rapid cooling operation. Thereby, it can prevent that the temperature of a refrigerator compartment or a vegetable compartment becomes higher than desired temperature by rapid cooling operation.
  • the setting means sets the time selected by the user from a plurality of candidates as the rapid cooling time.
  • a cooling plate is disposed on the bottom surface of the storage chamber.
  • a refrigerator compartment is provided at the top of the refrigerator, and an ice making room and the storage compartment are provided side by side below the refrigerator compartment.
  • FIGS. 4 to 6 are diagrams for explaining the configuration of the main part.
  • the refrigerator according to the present embodiment includes a refrigerator body 1 having an opening at the front.
  • the refrigerator main body 1 includes a metal outer box 2, a hard resin inner box 3, and a foam heat insulating material 4 that is foam-filled between the outer box 2 and the inner box 3.
  • a plurality of storage chambers are partitioned by partition plates 5, 6, and the inside is filled with a foam heat insulating material 4.
  • each storage chamber of the refrigerator main body 1 adopts the same heat insulating configuration as the refrigerator main body 1.
  • Each storage room is openable and closable from above by a revolving refrigerator door 7, a drawer-type upper freezer compartment door 8 and an ice making door 9, a drawer-type lower freezer compartment door 10, and a drawer-type vegetable compartment door 11. is there.
  • the storage room formed in the refrigerator main body 1 includes an uppermost freezer room 14, an upper freezer room 15 provided under the freezer room 14, an ice making room 16 provided beside the upper freezer room 15, and an upper freezer room. 15 and the ice making room 16 are provided with a lower freezing room 17 and a vegetable room 18 provided at the lowermost part.
  • the refrigerator compartment 14 is provided with a plurality of shelf plates 19, and a partial compartment 20 having a different cooling temperature zone is provided below the refrigerator compartment 14.
  • the refrigerator compartment 14 is a storage compartment for refrigerated storage. Specifically, it is usually set to 2 to 5 ° C. and cooled. Further, the partial chamber 20 provided in the refrigerator compartment is set to ⁇ 1 to ⁇ 4 ° C. suitable for microfrozen storage. The partial chamber 20 can be set to 0 to 2 ° C. as the chilled chamber 20 by controlling the air volume.
  • the vegetable room 18 is a storage room whose temperature is set equal to or slightly higher than that of the refrigerated room 14, and is specifically cooled to be set at 3 to 7 ° C. Since the vegetable compartment 18 becomes high humidity due to moisture emitted from stored food such as vegetables, condensation may occur if it is too cold locally. For this reason, the amount of cooling is reduced by setting the temperature relatively high, and the occurrence of condensation due to local overcooling is suppressed.
  • the ice making room 16, the upper freezing room 15, and the lower freezing room 17 are storage rooms set to a freezing temperature zone, and are set to about ⁇ 18 ° C. and cooled.
  • a cooling chamber 23 on the back of the lower freezing chamber 17.
  • a cooler 24 constituting a refrigeration cycle and a cooling fan 25 for supplying cold air to each chamber are installed above the cooler 24.
  • a defrosting means 26 hereinafter referred to as a glass tube heater
  • a glass tube heater constituted by a glass tube heater or the like is provided below the cooler 24.
  • the cooler 24 includes a compressor 27 formed in the upper part of the refrigerator main body 1, a condenser (not shown), a heat radiating pipe (not shown), and a capillary tube (not shown).
  • a refrigeration cycle is configured by connecting in a ring shape. Cooling is performed by circulation of the refrigerant compressed by the compressor 27.
  • the cooling fan 25 is provided above the cooler 24, and the refrigerator compartment 14 and the upper refrigerator are connected to the downstream side of the refrigerator compartment duct 28, the freezer compartment duct 29, the ice making duct, the vegetable compartment duct 30 (not shown). Cold air is supplied to the chamber 15, the lower freezing chamber 17, the ice making chamber 16, and the vegetable chamber 18, and these chambers are cooled.
  • the cooling chamber 23 is located behind the upper freezing chamber 15, the ice making chamber 16 and the lower freezing chamber 18, and is formed by the cooling chamber forming plate and the inner box 3.
  • the cooling fan 25 is positioned above the cooler 24 by mounting the cooling fan 25 on the upper part of the cooling chamber forming plate.
  • a freezer compartment back plate 32 is attached to the front side of the cooling chamber forming plate to cover the downstream side of the cooling fan 25, and a freezer compartment duct 29 communicating with the cooling fan downstream side is formed between the cooling chamber 23 and the cooling chamber 23. ing.
  • a refrigerator compartment duct 28 of the refrigerator compartment 14 and a vegetable compartment duct 30 of the vegetable compartment 17 are separately and independently connected at different positions. More specifically, the upper surface of the upper part on the downstream side of the cooling fan 25 has a twin damper 37 disposed in the first cold air supply port 33 provided in the partition plate 5 that partitions the refrigerator compartment 14 and the freezer compartment 18 as shown in FIG. It is connected to the refrigerator compartment duct 28 through the refrigerator compartment damper 37a. Further, the cold air to the partial chamber 20 is supplied through a partial chamber duct (not shown) through the partial chamber damper 37 b of the twin damper 37.
  • the vegetable room duct 30 is connected to the upper side of the cooling fan 25 downstream by providing a second cold air supply port 34.
  • a vegetable room damper 38 is incorporated in the vegetable room duct 30.
  • the refrigerator compartment damper 37a, the partial compartment damper 37b, and the vegetable compartment damper 38 are controlled to open and close based on the temperatures detected by the refrigerator compartment temperature sensor, the partial compartment temperature sensor, and the vegetable compartment temperature sensor provided in each compartment. And the preset temperature of each chamber is maintained by adjusting the amount of cool air supplied to each chamber.
  • the upper freezing room 15 and the ice making room 16 are divided into left and right by a vertical partition plate 39.
  • An upper case 40 is provided in the upper freezer compartment 15 and is formed to be movable back and forth in conjunction with the drawer operation of the drawer-type upper freezer compartment door 8.
  • An upper freezer compartment duct cover 41 (hereinafter referred to as a duct cover) that forms an upper freezer compartment air passage is formed on the partition plate 5 that serves as the top surface of the upper freezer compartment 15.
  • the rear end of the duct cover 41 communicates with the freezer compartment duct 29 through an upper freezer compartment discharge hole 32 a formed in the freezer compartment back plate 32 constituting the cooling compartment 23.
  • the front end of the duct cover 41 is formed on the top surface so as to extend to a position closer to the front than the central portion of the upper case 40 in the depth direction.
  • a ventilation fan 42 is provided near the front end of the duct cover 41 and is fixed to the duct cover 41.
  • the ventilation fan 42 is disposed in the duct cover 41 so that the rotational drive shaft of the fan is in the vertical direction. Since the ventilation fan 42 is composed of a fan casing having a thickness thinner than that of the cooling fan 25, the installation space can be made as small as possible and can be installed without reducing the internal volume in the refrigerator.
  • the electrical wiring of the ventilation fan 42 is connected in advance to a wiring from a control board (not shown) that controls the refrigerator, and is stored in a connector storage portion 41 a formed in the duct cover 41.
  • the connector storage portion 41 a is formed on the side portion of the ventilation fan 42.
  • thermopile 43 for detecting the temperature of the food stored in the upper case 40 is provided.
  • the thermopile 43 is accommodated between the front end of the duct cover 41 and the ventilation fan 42 so as to cover the periphery of the sensor with a heat insulating material so as not to touch the cool air. Further, the wiring of the thermopile 43 is connected in advance to the wiring of the control board in the connector storage portion 41a.
  • a ventilation fan 42 and a thermopile 43 are fixed in the duct cover 41.
  • a connector for connecting the wiring of the ventilation fan 42 and the thermopile 43 and the wiring extending from the control board is stored in the connector storage portion 41a.
  • the adjacent connector storage portion 41a and the ventilation fan 42 are partitioned by a partition wall 41d (see FIG. 6), and are formed so as not to guide cool air to the connector storage portion 41a, thereby preventing condensation on the connector storage portion 41a.
  • the duct cover 41 is attached and fixed to the partition plate 5 that becomes the top surface of the upper freezer compartment 15.
  • the connector housing portion 41a is formed in the duct cover 41 so as to be partitioned from the cold air passage, frost formation and condensation can be prevented. Further, the ventilation fan 42 and the thermopile 43 can be removed while being arranged on the duct cover 41, and can be attached easily.
  • a first ventilation hole 41 b in which a slit-like hole is formed in the duct cover 41 is formed at a position facing the ventilation fan 42 of the duct cover 41. Thereby, the discharge cold air from the ventilation fan 42 is discharged to the upper case 40 through the 1st ventilation hole 41b. Further, the first ventilation hole 41b is formed so that the ventilation fan 42 is not directly touched by hand.
  • a plurality of second ventilation holes 41c are formed in the duct cover 41 leading to the ventilation fan 42, and cold air is discharged from the second ventilation hole 41c to the upper case 40 while the ventilation fan 42 is stopped.
  • thermopile 43 fixed to the duct cover 41 is disposed above the ventilation fan 42 in the height direction, more specifically, above the first ventilation hole 41b. Therefore, the temperature of the input food material can be detected without being cooled by the cold air discharged from the first ventilation hole 41b.
  • the duct cover 41 on which the ventilation fan 42 and the thermopile 43 are mounted can be incorporated into the partition plate 5 and the upper freezer compartment discharge hole 32a. And wiring can be performed.
  • a portion of the partition plate 5 facing the ventilation fan 42 is formed with a recess 5a having a top surface recessed upward, and a space 44 is formed between the ventilation fan 42 and the partition plate 5 on the top surface. .
  • the upper refrigerator compartment is cooled by the cool air passing through the top duct cover 41 without increasing the wall thickness of the partition plate 5 and improving the heat insulation. It is possible to prevent the bottom surface of 14 from being cooled and causing condensation.
  • cooling plates 45 and 46 are disposed on the bottom surface of the upper case 40 in the front-rear direction of the upper case 40.
  • the ventilation fan 42 and the thermopile 43 are arranged in the vertical projection of the front cooling plate 45, and a gap is formed between the front cooling plate 45 and the rear cooling plate 46.
  • an upper case, an intermediate case, and a lower case having an open upper surface are arranged in this order from the top.
  • a drawer-type lower freezer compartment door 10 that can open and close the front opening of the lower freezer compartment 17, and the upper case, the middle case, and the lower case are pulled out to the front of the opening according to the drawer operation of the lower freezer compartment door 10. It is possible.
  • the freezer compartment back plate 32 is provided with a plurality of lower freezer compartment discharge holes 32b for discharging cool air to the upper case, the middle case, and the lower case.
  • the freezer compartment back plate 32 is provided with a freezer compartment sensor (not shown) below the lower freezer compartment discharge hole 32b, and the operation of the compressor 27 is controlled according to the threshold value of the freezer compartment temperature sensor. .
  • the control unit performs an input material rapid cooling determination for determining whether or not the input food material is rapidly cooled. More specifically, the control unit first determines whether the temperature detected by the thermopile 43 of the input food is equal to or higher than a predetermined temperature (for example, ⁇ 10 ° C. or higher) (S-1). If the temperature is equal to or higher than the predetermined temperature, the control unit next performs another room start condition determination (S-2) for determining whether the refrigerator compartment 14 and the vegetable compartment 18 satisfy the rapid cooling start condition. Specifically, the refrigerator temperature sensor and the vegetable room temperature sensor are each cooled to a predetermined temperature or lower (for example, 8 ° C. or lower), and at the same time, the cooler temperature sensor that detects the temperature of the cooler 24 is a predetermined temperature or higher (for example, ⁇ 35 ° C.) If it is above, the control unit starts the rapid cooling operation.
  • a predetermined temperature for example, ⁇ 10 ° C. or higher
  • the compressor 27 is operated at a speed higher than the normal rotation speed
  • the ventilation fan 42 is operated, and the refrigerator compartment damper 37a, the partial compartment damper 37b, and the vegetable compartment damper 38 are closed.
  • the control unit lowers the fan voltage to operate the cooling fan 25 at a lower speed than the normal speed (S-3).
  • the control unit controls the fan voltage (for example, about 11 V) of the ventilation fan 42 so as to be larger than the fan voltage (for example, about 2 V) of the cooling fan 25, and the rotational speed of the ventilation fan 42 is greater than that of the cooling fan 25. Driving at a speed greater than.
  • the refrigerator compartment damper 37a, the partial compartment damper 37b, and the vegetable compartment damper 38 are closed and the cold air is concentrated and discharged to the upper freezer compartment 15 and the lower freezer compartment 17, and the cooling fan 25 is rotated at a low speed.
  • the amount of cool air discharged to the upper freezer compartment 15 by the ventilation fan 42 can be intensively increased by suppressing the amount of cool air discharged to the air.
  • the heat exchange amount of air exchanged with the cooler 24 can be suppressed, and the temperature of the cooler 24 can be lowered.
  • the ventilation fan 42 on the leeward side of the cooling fan 25 at a higher speed than the cooling fan 25, the cooling fan 25 is stopped and the cold air having a lower temperature than the normal time when the rapid cooling operation is not performed is
  • the case 40 can be discharged with a large air volume.
  • the front cooling plate 45 on the bottom surface of the upper case 40 the food placed on the front cooling plate 45 can be rapidly cooled.
  • the rear cooling plate 46 is arranged in front and rear with a gap with the front cooling plate 45, it is possible to reduce the influence of heat from the food on the front cooling plate capable of rapid cooling.
  • the rotational drive shaft of the ventilation fan 42 is arranged in the vertical direction, so that the space portion 44 is provided on the suction side of the ventilation fan 42. Can be formed.
  • the cold air that has passed through the cooling fan 25 and is guided to the duct cover 41 can be guided to the ventilation fan 42 while reducing the ventilation resistance. Therefore, the blowing sound by the ventilation fan 42 can be reduced, and the air volume during rapid cooling is reduced. Can be secured.
  • the control unit ends the rapid cooling operation when a predetermined time (for example, 15 minutes) elapses from the start of the rapid cooling operation. Therefore, when the temperature detected by the thermopile 43 of the food to be input is 30 ° C. or higher, the rough heat removal time of the food can be shortened by the rapid cooling operation for 15 minutes, and the subsequent cooking time can be smoothly performed. And a control part stops the ventilation fan 42, and if the detection temperature by the temperature sensor of each room is more than preset temperature, it will open
  • a predetermined time for example, 15 minutes
  • the refrigerator compartment temperature sensor or the vegetable compartment of the refrigerator compartment 14 is loaded by a load or a half door of the door. If any of the 18 vegetable room temperature sensors is heated to a predetermined temperature at the start time + ⁇ ° C. or higher (for example, 10 ° C. or higher), the control unit performs the following control. That is, the control unit forcibly ends the rapid cooling operation, opens the damper of the storage room that has been heated to a predetermined temperature or higher, and gives priority to the cooling operation of the refrigerator compartment 14 or the vegetable compartment 18.
  • the ventilation fan 42 stops, the cooling fan 25 operates by increasing the rotational speed from the low speed to the normal rotational speed, and waits for the rapid cooling operation. If the refrigerator compartment 14 and the vegetable compartment 18 are within the set temperature range before a predetermined time has elapsed from the start of the rapid cooling operation, the operation is automatically resumed from the standby state of the rapid cooling operation, and the ventilation fan 42 and the cooling fan 25 are Controlled by the number of rotations during rapid cooling.
  • control unit energizes the defrosting means 26 and performs the defrosting operation of the cooler 24 or stops the operation of the compressor 27.
  • the control unit quickly changes the temperature when the thermopile 43 falls below the predetermined temperature (for example, ⁇ 20 ° C. or less). End the cooling operation.
  • the control unit stops the ventilation fan 42 and opens the damper of each corresponding chamber if the temperature detected by the temperature sensor in each chamber is equal to or higher than the set temperature. Further, the control unit operates the compressor 27 at a normal rotational speed, and the cooling fan 25 is also returned to the normal rotational speed.
  • the control unit stops the rapid cooling operation and returns to the normal cooling operation, so that each chamber is maintained at an appropriate temperature. can do.
  • the end of the rapid cooling operation mode (S-5) is basically performed by time control.
  • a predetermined time for example, 15 minutes
  • the rapid cooling selection button can be used to select the rapid cooling time when the rapid cooling operation is started. May be.
  • the rapid cooling time has a time setting of 5 minutes (rapid cooling), 15 minutes (rough heat removal), and 30 minutes (rapid freezing), and the rapid cooling time is selected by operating the rapid cooling selection button.
  • the rapid cooling operation mode is controlled and terminated in the selected rapid cooling time. However, if the internal temperature of the other room rises or the cooler 24 falls below a predetermined temperature, the rapid cooling operation mode has priority over the selected rapid cooling set time. To forcibly terminate and cancel the rapid cooling operation.
  • the display unit (not shown) is turned on or blinked to notify the user.
  • a notification sound may be emitted to notify the end.
  • the temperature of the food material to be added when the temperature of the food material to be added is 30 ° C. or higher, it may be automatically set to the rough heat removal mode (rapid cooling time is 5 minutes) to start the rapid cooling operation.
  • the rough heat removal mode rapid cooling time is 5 minutes
  • thermopile 43 is disposed in the duct cover 41
  • a temperature sensor inside the thermistor may be installed in place of the thermopile 43, and the rapid cooling operation can be automatically controlled when the food is added.
  • cooling fan 25 is operated at a low speed during rapid cooling, the cooling fan 25 may be stopped. Further, the amount of heat exchange between the cooler 24 and the air is suppressed, the temperature of the cooler 24 is further lowered, and the ventilation fan 42 is operated at a higher speed to discharge cooler cool air to the upper case 40. The rapid cooling operation time can be further shortened.
  • a quenching operation unit (not shown) is provided on the side wall of the refrigerator compartment 14 or the front face of the refrigerator compartment door 7 so that the upper freezer compartment 15 can be controlled to the quenching operation.
  • the thermistor rises to a predetermined temperature (eg, + 5 ° C.) or more within a predetermined time (eg, within 5 minutes) after the automatic setting mode is turned on, or in S-13, depending on the input food
  • a predetermined temperature for example, ⁇ 10 ° C. or higher
  • the refrigerator temperature sensor is at a predetermined threshold A ° C. or lower (for example, 6 ° C. or lower) at S-15
  • the vegetable room temperature sensor is predetermined at S-16. Defrosting of the defrost mode of the cooler 24 at a threshold value B ° C. or less (for example, 6 ° C.
  • the control unit determines that the start condition for the quenching operation is satisfied, and starts the quenching operation under the operation condition of S-21.
  • the rapid cooling operation is waited (S-20), and if the flow of S-15 to S-19 is satisfied, the operation condition is shifted to S-21.
  • S-21 is rapid cooling operation control. After a predetermined time from the start of the rapid cooling control, the control unit increases the rotational speed of the compressor 27 than during normal operation, lowers the rotational speed of the cooling fan 25 than during normal operation, and starts the operation of the ventilation fan 42. .
  • the relationship between the ventilation fan 42 and the cooling fan 25 is the same as that of the first embodiment, and the fan voltage (for example, about 11 V) of the ventilation fan 42 is made larger than the fan voltage (for example, about 2 V) of the cooling fan 25.
  • the motor is operated with the rotational speed of 42 being larger than the rotational speed of the cooling fan 25.
  • the refrigerator compartment damper 37a, the partial compartment damper 37b, and the vegetable compartment damper 38 are closed to increase the ratio of the amount of cold air circulated to the upper freezer compartment 15, and the cold air circulates also in the lower freezer compartment 17 and the ice making compartment 16. So as to form an air passage.
  • the defrost operation is waited for, and after the rapid cooling is completed, the defrost operation is started.
  • the cooling fan 25 stops in conjunction with the compressor 27, but the ventilation fan 42 continues to operate.
  • the compressor 27 is stopped for a predetermined time or more, regardless of the freezer temperature sensor, the compressor is forcibly started, the cooling fan 25 is also started at the fan voltage, and the upper freezer 15 is rapidly cooled. Do the driving.
  • the conditions for canceling the rapid cooling operation will be described.
  • a predetermined threshold J ° C. for example, 10 ° C. or higher
  • the vegetable room temperature sensor exceeds a predetermined threshold K ° C. in S-23
  • the controller ends the rapid cooling operation (S-26).
  • the user can forcibly terminate the rapid cooling operation by operating the rapid cooling operation unit.
  • the control unit lowers the rotation speed of the compressor 27 from the high speed rotation to the normal operation rotation speed, increases the fan voltage so that the cooling fan 25 changes from the low speed rotation to the normal rotation, and the ventilation fan 42 It stops and opens / closes each storage chamber damper according to the temperature sensor of each chamber.
  • FIG. 10 is a flowchart when the user manually sets the rapid cooling operation.
  • a rapid cooling time can be selected, and rapid cooling, rough heat removal, and rapid freezing can be performed according to food materials and applications.
  • the refrigerator according to the present embodiment includes a rapid cooling operation unit (not shown) on the side wall in the refrigerator compartment 14 or the front face of the refrigerator compartment door 7. And the upper freezer compartment 15 is controllable to rapid cooling operation.
  • the quenching time can be selected by the number of times of pressing or touching the quenching operation unit. For example, 1 minute can be set by pressing once, 5 minutes can be set by pressing twice, 15 minutes can be set by pressing, and 45 minutes can be quickly selected by pressing 4 times. (S-31).
  • the upper freezer compartment 15 can be controlled to be operated rapidly by the user's operation without detecting the thermistor temperature or the rising temperature of the upper freezer compartment 15.
  • the quenching operation unit is pressed five times or more in S-32, or the control is ended when touched (S-33).
  • the refrigerator temperature sensor is a predetermined threshold A ° C. or less (eg, 6 ° C. or less)
  • the vegetable room temperature sensor is a predetermined threshold B ° C. or less (eg, 6 ° C. or less). If the temperature sensor is above the predetermined threshold C ° C (eg –35 ° C or higher) and the defrosting operation in the defrosting mode of the cooler 24 is not being performed at S-37, or waiting for activation after defrosting or defrost protection control is not in progress.
  • the controller determines that the rapid cooling operation start condition is satisfied, and starts the rapid cooling operation under the operation condition of S-39.
  • control is performed in the same manner as the operation in S-21 of the second embodiment, and the control unit starts rapid cooling of the upper freezer compartment 15.
  • the refrigerator temperature sensor becomes a predetermined threshold J ° C or higher (eg, 10 ° C or higher), or in S-41, the vegetable room temperature sensor becomes a predetermined threshold K ° C or higher (eg, 10 ° C or higher). Or when the rapid cooling time initially set in S-42 has elapsed, the rapid cooling operation is automatically terminated (S-44).
  • the rapid cooling operation can be forcibly terminated by pressing or touching the rapid cooling operation unit five times or more (S-44).
  • each storage chamber damper is controlled to open and close according to the temperature sensor of each chamber.
  • the control unit determines whether or not the temperatures of the refrigerator compartment 14 and the vegetable compartment 18 satisfy the predetermined temperature, and even during the rapid cooling operation, the predetermined temperature is determined.
  • the inside is not satisfied, it is forcibly terminated, priority is given to temperature fluctuations in the refrigerator compartment 14 and the vegetable compartment 18, and the refrigerator compartment damper 37a or the vegetable compartment damper 38 is opened to preferentially cool these chambers.
  • a portable terminal communicates from outside the house through a public Internet line and communicates with a WI-FI router apparatus installed in the house and a wireless relay apparatus (not shown) installed in the refrigerator main body 1, and is connected to a wireless repeater.
  • the rapid cooling time of the upper freezer compartment 15 can be set via the control board. For example, the time can be set to 5 minutes (rapid cooling), 15 minutes (rough heat removal), 30 minutes (rapid freezing), and convenience can be enhanced.
  • the present invention is not limited to the above-described embodiments, and may be a refrigerator that can cool and cool by concentrating cool air in a part of the lower freezing room, and can be a commercial refrigerator including a household refrigerator. Applicable.

Landscapes

  • 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)
  • Refrigerator Housings (AREA)

Abstract

L'invention concerne un réfrigérateur comprenant : un compartiment de stockage; un ventilateur de ventilation, qui est destiné à évacuer l'air froid et qui est disposé sur la surface de plafond du compartiment de stockage; un moyen de réglage pour régler un temps de refroidissement rapide sur la base d'une instruction d'utilisateur; et un moyen de commande pour exécuter une opération de refroidissement rapide à l'aide du ventilateur de ventilation sur la base du temps de refroidissement rapide réglé par le moyen de réglage. Ceci permet de fournir un réfrigérateur pour lequel l'utilisateur peut régler le temps de refroidissement rapide.
PCT/JP2019/006738 2018-04-04 2019-02-22 Réfrigérateur WO2019193861A1 (fr)

Priority Applications (1)

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BR112020019414-0A BR112020019414A2 (pt) 2018-04-04 2019-02-22 Refrigerador

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JP2018-072012 2018-04-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024089449A1 (fr) * 2022-10-26 2024-05-02 Gorenje Gospodinjski Aparati, D.O.O. Appareil frigorifique comportant un ventilateur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI750971B (zh) * 2020-12-24 2021-12-21 台灣松下電器股份有限公司 冰箱

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58142178A (ja) * 1982-02-17 1983-08-23 松下冷機株式会社 冷蔵庫
JP2002188877A (ja) * 2000-12-19 2002-07-05 Hitachi Ltd 冷蔵庫
JP2003322451A (ja) * 2002-04-25 2003-11-14 Matsushita Refrig Co Ltd 冷蔵庫
JP2008101857A (ja) * 2006-10-20 2008-05-01 Hitachi Appliances Inc 冷蔵庫
JP2013007546A (ja) * 2011-06-27 2013-01-10 Toshiba Corp 冷蔵庫
CN105180554A (zh) * 2015-09-01 2015-12-23 海信（山东）冰箱有限公司 一种冰箱

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06101949A (ja) * 1991-06-04 1994-04-12 Matsushita Refrig Co Ltd 冷蔵庫
JP2002062017A (ja) * 2000-08-22 2002-02-28 Fujitsu General Ltd 冷蔵庫
KR100453236B1 (ko) * 2001-11-27 2004-10-15 삼성전자주식회사 다용도실을 구비한 냉장고 및 그 제어방법
JP2005257209A (ja) * 2004-03-12 2005-09-22 Toshiba Corp 冷蔵庫
US20080000242A1 (en) * 2006-07-03 2008-01-03 Daewoo Electronics Corporation Refrigerator having a temperature controlled compartment
JP2012021691A (ja) * 2010-07-14 2012-02-02 Hitachi Appliances Inc 冷蔵庫
US20140202444A1 (en) * 2013-01-23 2014-07-24 Standex International Corporation Vortex shedding heat transfer method and apparatus
JP2015001331A (ja) * 2013-06-14 2015-01-05 ハイアールアジアインターナショナル株式会社 冷蔵庫
JP2015218942A (ja) * 2014-05-16 2015-12-07 ハイアールアジア株式会社 冷蔵庫
CN108548365B (zh) * 2015-09-15 2020-10-30 青岛海尔股份有限公司 冰箱变温室冷气供给装置及方法
CN205002488U (zh) * 2015-09-15 2016-01-27 青岛海尔股份有限公司 冰箱变温室冷气供给装置
JP6709347B2 (ja) * 2015-10-09 2020-06-17 青島海爾股▲フン▼有限公司 冷蔵庫

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58142178A (ja) * 1982-02-17 1983-08-23 松下冷機株式会社 冷蔵庫
JP2002188877A (ja) * 2000-12-19 2002-07-05 Hitachi Ltd 冷蔵庫
JP2003322451A (ja) * 2002-04-25 2003-11-14 Matsushita Refrig Co Ltd 冷蔵庫
JP2008101857A (ja) * 2006-10-20 2008-05-01 Hitachi Appliances Inc 冷蔵庫
JP2013007546A (ja) * 2011-06-27 2013-01-10 Toshiba Corp 冷蔵庫
CN105180554A (zh) * 2015-09-01 2015-12-23 海信（山东）冰箱有限公司 一种冰箱

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024089449A1 (fr) * 2022-10-26 2024-05-02 Gorenje Gospodinjski Aparati, D.O.O. Appareil frigorifique comportant un ventilateur

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CN110345696A (zh) 2019-10-18
BR112020019414A2 (pt) 2021-01-05
CN110345696B (zh) 2021-11-05
JP2019184092A (ja) 2019-10-24
CN110345695B (zh) 2022-05-17
CN110345695A (zh) 2019-10-18

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