WO2014049739A1 - 冷蔵庫 - Google Patents

冷蔵庫 Download PDF

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Publication number
WO2014049739A1
WO2014049739A1 PCT/JP2012/074765 JP2012074765W WO2014049739A1 WO 2014049739 A1 WO2014049739 A1 WO 2014049739A1 JP 2012074765 W JP2012074765 W JP 2012074765W WO 2014049739 A1 WO2014049739 A1 WO 2014049739A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigeration
temperature zone
chamber
cold air
blower fan
Prior art date
Application number
PCT/JP2012/074765
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
山田　三紀夫
慎介 葛島
海老原　徹
Original Assignee
日立アプライアンス株式会社
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 日立アプライアンス株式会社 filed Critical 日立アプライアンス株式会社
Priority to JP2014537917A priority Critical patent/JP5771334B2/ja
Priority to KR1020147033691A priority patent/KR101660925B1/ko
Priority to CN201280075319.XA priority patent/CN104583695B/zh
Priority to PCT/JP2012/074765 priority patent/WO2014049739A1/ja
Priority to IN1344DEN2015 priority patent/IN2015DN01344A/en
Publication of WO2014049739A1 publication Critical patent/WO2014049739A1/ja

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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
    • 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
    • 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
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F25D19/003—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0682—Two or more fans
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to a refrigerator.
  • Patent Document 1 describes that “the temperature of each of the freezer compartment and the refrigerator compartment is controlled independently using one evaporator and two fans provided in the freezer compartment” (see paragraph 0006).
  • Patent Document 1 includes a first blower fan that supplies cooled air to a freezer room (freezer temperature zone chamber), a second blower fan that supplies cooled air to a refrigerator room (refrigerated temperature zone chamber), A refrigerator is described. However, it does not describe the detailed arrangement of the two blower fans for efficiently cooling the refrigeration temperature zone chamber or the freezing temperature zone chamber.
  • a refrigerator in which the refrigeration temperature zone is divided into a plurality of compartments and each compartment has an individual function (a chilled room, a vegetable compartment, etc.), and convenience is improved.
  • the temperature zone room (refrigeration room) is a single private room. Therefore, Patent Document 1 does not describe a configuration for efficiently cooling each compartment when the refrigerated temperature zone is partitioned into a plurality of compartments.
  • the present invention provides a refrigerator configured to efficiently supply cold air to a refrigerated temperature zone chamber by a blower fan and efficiently cool even a refrigerated temperature zone compartment partitioned into a plurality of compartments.
  • the task is to do.
  • the present invention provides a refrigeration blower fan for supplying cold air generated by a cooler to a refrigeration temperature zone chamber, and a cooler generated in the refrigeration temperature zone chamber below the refrigeration temperature zone chamber.
  • a refrigeration blower fan that supplies the chilled air to the freezing temperature zone chamber.
  • the refrigeration blower fan is disposed at a position above the refrigeration blower fan, and is attached at an attachment angle that discharges cold air upward from the refrigeration blower fan.
  • a refrigerator configured to efficiently supply cold air to a refrigeration temperature zone chamber by a blower fan and to efficiently cool even a refrigeration temperature zone compartment partitioned by a plurality of compartments. can do.
  • FIG. 1 It is a perspective view of the refrigerator which concerns on a present Example. It is the front view which looked at the refrigerator which opened the door from the front. It is a longitudinal cross-sectional view which shows the inside of the refrigerator compartment which concerns on a present Example. It is a back perspective view which shows the internal structure of a refrigerator.
  • (A) is the perspective view which looked at the internal state where the refrigeration blower fan and the refrigeration blower fan were attached from the front
  • (b) is the internal state where the duct cover and the backplate of the freezer compartment were attached from the front
  • FIG. (A) is a side view which shows arrangement
  • (b) is a side view which shows arrangement
  • FIG. 1 is a perspective view of a refrigerator according to the present embodiment
  • FIG. 2 is a front view of the opened refrigerator as viewed from the front
  • FIG. 3 is a longitudinal sectional view showing the inside of the refrigerator according to the present embodiment.
  • the refrigerator is provided with a double door (French type) door, but the present embodiment can also be applied to a refrigerator provided with a single door.
  • the refrigerator 1 includes a refrigerator room 3, a chilled room 4 (upper compartment), a vegetable room 5 inside a refrigerator body 1 a that forms the body (housing).
  • a (lower compartment) and a freezer compartment 6 are provided in a compartment.
  • one side of the refrigerator main body 1a is provided with double doors (so-called French type) doors 2a and 2b divided into left and right. Then, by opening the doors 2a and 2b, the user can take out the stored items stored in the storage rooms of the refrigerated room 3, the chilled room 4, and the vegetable room 5, or store the stored items in the respective storage rooms. Will be able to.
  • the one side provided with the doors 2 a and 2 b is the front surface Fs
  • the one surface side facing the front surface is the back surface Rs
  • the front surface Fs side is the front (Fr)
  • the back surface Rs side is the back (Re).
  • the front-rear direction is set. Further, a left direction (Le) and a right direction (Ri) are set in a direction from the front surface Fs side to the back surface Rs side.
  • the up direction (Up) and the down direction (Dn) are set by setting the installation surface (bottom) side of the refrigerator 1 as the lower side.
  • the doors 2a and 2b are disposed on the upper front side.
  • a drawer door 2c is provided in front of the lower side of the doors 2a and 2b, and by opening the drawer door 2c, the user takes out the stored items stored in the freezer compartment 6 and enters the freezer compartment 6 into the freezer compartment 6.
  • Stored items can be stored. That is, the freezer compartment 6 is arrange
  • the drawer door 2 c is a door that opens and closes the front of the freezer compartment 6.
  • the refrigerator compartment 3, the chilled room 4, and the vegetable compartment 5 are arrange
  • the refrigerating room 3 and the vegetable room 5 are storage rooms that are kept in a refrigerating temperature zone in which the room temperature is about 3 to 5 ° C., and the refrigerating room 3 has support portions that protrude from the left and right sides of the refrigerator main body 1a.
  • a plurality of storage shelves 3a supported in the vertical direction are detachably arranged.
  • the refrigerator compartment 3 and the chilled compartment 4 are partitioned by a storage shelf (lower storage shelf 3 b) disposed at the lowermost part inside the refrigerator compartment 3.
  • the door 2a, 2b has a plurality of door pockets 8 in the vertical direction on the inner surface (the surface facing the inner side of the refrigerator main body 1a when the door is closed).
  • Stored items (such as PET bottles and bottled seasonings) stored in the door pocket 8 are stored in the refrigerator compartment 3 together with the door pocket 8 when the doors 2a and 2b are closed.
  • the chilled chamber 4 is a storage chamber in which the room temperature is kept at about 0 ° C., and for example, a box-shaped drawer container (chilled chamber container 4a) opened upward is accommodated so as to be able to be pulled out forward. .
  • the chilled chamber container 4a and the refrigerated chamber 3 housed in the chilled chamber 4 are partitioned by the lower storage shelf 3b, and the interior of the chilled chamber container 4a is maintained at about 0 ° C.
  • the chilled room 4 and the vegetable room 5 are divided by the partition part 4c.
  • the refrigerated room 3, the chilled room 4, and the vegetable room 5 are storage rooms for storing the stored items without being frozen, and are the refrigerated temperature zone rooms of the present embodiment.
  • the vegetable compartment 5 accommodates a vegetable container 50 for storing stored items (eg, vegetables).
  • a switching lever 4b is provided inside the refrigerator compartment 3.
  • the switching lever 4b is an operator for operating opening and closing of a refrigeration outlet 18a (see FIG. 3), which will be described later, that opens to the chilled chamber 4.
  • the user can adjust the opening degree of the refrigeration outlet 18a by operating the switching lever 4b, and can adjust the temperature of the chilled chamber 4.
  • the freezer compartment 6 is a storage compartment in which the room temperature is kept in a freezing temperature zone of about minus 18 ° C. and the stored items are stored in a frozen state, and becomes a freezing temperature zone room of this embodiment.
  • the freezer compartment 6 is opened and closed by a drawer door 2c provided below the doors 2a and 2b.
  • the drawer door 2c is configured to be pulled forward by a guide rail mechanism (not shown) or the like, and as shown in FIG. 3, the upper and lower refrigeration containers 6a and 6b arranged in the vertical direction together with the drawer door 2c. Configured to be pulled out.
  • the upper refrigeration container 6a is configured to be detachable independently when the drawer door 2c and the lower refrigeration container 6b are pulled out. May be.
  • the structure provided only with the lower-stage freezing container 6b may be sufficient.
  • a single-open or double-open door (not shown) is provided in front of the freezer compartment 6 in place of the drawer door 2c, and the upper freezer 6a and the lower freezer when the open / close door is open.
  • the container 6b may be configured to be drawable.
  • each storage room of the refrigerator compartment 3, the chilled room 4, the vegetable compartment 5, and the freezer compartment 6 is the inner wall 1b provided so that the inner surface of the refrigerator main body 1a may be covered, The circumference
  • surroundings except the front are Surrounded and formed.
  • the vegetable compartment 5 and the freezer compartment 6 are partitioned off by a partition wall 5a.
  • the partition wall 5a is preferably formed so as to be in contact with the inner wall 1b on the rear side and the left and right sides so as to partition the vegetable compartment 5 and the freezing compartment 6 without a gap.
  • a cooler room 10 is formed behind the vegetable room 5 and the freezing room 6.
  • the cooler room 10 includes a space formed behind the vegetable room 5 and the freezing room 6 and is formed so as to penetrate through a partition wall 5a that partitions the vegetable room 5 and the freezing room 6 through a through hole 5a2 (see FIG. 4).
  • the cooler 12 that generates the cool air 100 and the blower fan 11 that blows the cool air 100 generated by the cooler 12 are housed.
  • a machine chamber 13 is formed in the rear and a compressor 14 is disposed.
  • the cooler 12 is an evaporator that evaporates the refrigerant compressed by the compressor 14 and cools the surrounding air with the heat of vaporization at that time to generate the cool air 100.
  • the cool air 100 generated by the cooler 12 is the blower fan. 11 is supplied to each storage room of the refrigerator 1. That is, the blower fan 11 sucks the cool air 100 generated by the cooler 12 from the cooler chamber 10 and blows and supplies it to each storage chamber.
  • the cooler 12 is preferably arranged behind the freezer compartment 6.
  • the freezer compartment 6 is a storage room maintained in a freezing temperature zone, and a cooler 12 is disposed behind the freezer compartment 6 to reduce the temperature difference between the freezer compartment 6 and the cooler 12 that generates the cold air 100. be able to. Therefore, there is no need to provide a thick heat insulating material between the freezer compartment 6 and the cooler 12, and it is possible to secure a large volume of the freezer compartment 6 and to reduce the weight of the refrigerator 1 and so on. .
  • a defroster heater 15 and a drain pipe 16 are provided below the cooler 12, and the defroster heater 15 is configured to defrost by heating the cooler 12 when the cooler 12 is frosted. Further, the water generated by melting frost at this time is configured to be drained via the drain pipe 16.
  • Reference numeral 17 denotes a duct (cold air duct) through which the cold air 100 circulates, and reference numeral 18 denotes a cold air flow path (refrigeration temperature zone cold air flow) for guiding the cold air 100 blown by the blower fan 11 to the refrigerating chamber 3 and the chilled chamber 4.
  • Reference numeral 19 denotes a cold air flow path (refrigeration temperature zone cold air flow path) for guiding the cold air 100 blown by the blower fan 11 to the freezer compartment 6.
  • the chilled chamber 4 communicates with the cooler chamber 10 through a cold air duct 17.
  • FIG. 4 is a rear perspective view showing the internal structure of the refrigerator
  • FIG. 5A is a perspective view of the internal state where the refrigeration blower fan and the refrigeration blower fan are attached, as viewed from the front
  • (a) of Drawing 6 is a side view showing arrangement of the refrigeration blower fan
  • (b) is arrangement of the refrigeration blower fan
  • FIG. 7 is a view of the refrigeration fan and the refrigeration fan attached to the duct cover from the front.
  • the refrigerator 1 of the present embodiment is provided with two blower fans 11 (a refrigeration blower fan 11 a and a freezing blower fan 11 b) behind the vegetable compartment 5.
  • the refrigeration blower fan 11 a is a blower fan that supplies cold air 100 to the refrigeration chamber 3 and the chilled chamber 4
  • the refrigeration blower fan 11 b is a blower fan that supplies cold air 100 to the freezer compartment 6.
  • the refrigeration blower fan 11a and the refrigeration blower fan 11b are attached to the fixed plate 10b and disposed in the refrigerator 1.
  • FIG. 4 shows the intake side Si of the refrigeration blower fan 11a and the refrigeration blower fan 11b.
  • FIG. 5A shows the refrigeration blower fan 11a and the refrigeration blower fan 11b, respectively.
  • the discharge side So is shown.
  • symbol 5a2 of FIG. 4 is a penetration part (through-hole) through which the cooler chamber 10 penetrates the partition 5a.
  • a duct cover 10a is attached in front of the fixed plate 10b.
  • region 10a2 are formed in the back of the duct cover 10a, and two space area
  • the lower opening of the duct cover 10a communicates with a through hole 5a2 (see FIG. 4) formed in the partition wall 5a.
  • the cooler chamber 10 passes through the partition wall 5a through the through hole 5a2.
  • symbol 5a1 of (b) of FIG. 6 is a groove part currently formed in the partition 5a in order to distribute
  • a gap is formed between the back plate 1f and the back cover 1d, and a refrigeration temperature zone cool air passage 19 for guiding the cool air 100 generated by the cooler 12 to the freezer compartment 6 is formed by the gap.
  • the refrigeration temperature zone cold air flow path 19 is formed below the position of the refrigeration blower fan 11b, the back plate 1f opens at the position of the freezer compartment 6, and the freezer compartment 6 and the refrigeration temperature zone cold air flow path 19 communicate with each other.
  • a plurality of freezing outlets 19a are formed.
  • the cold air 100 which flows through the freezing temperature zone cold air flow path 19 is blown out and supplied to the freezer compartment 6 from the freezing outlet 19a. Furthermore, the upper part of the freezing temperature zone cool air flow path 19 communicates with the second region 10a2 of the duct cover 10a.
  • the freezer compartment 6 communicates with the cooler chamber 10 (see FIG. 4) via the exhaust port 1e, and the cool air 100 supplied from the freezer outlet 19a to the freezer chamber 6 returns from the exhaust port 1e to the cooler chamber 10. Configured as follows.
  • the duct cover 10a covers the front (discharge side So) of the refrigeration blower fan 11a, and cools the cool air 100 discharged from the refrigeration blower fan 11a into the refrigeration temperature zone cold air flow path 18. It will be a cover to guide you to.
  • the duct cover 10a covers the front (discharge side So) of the refrigeration blower fan 11b, and cools the cool air 100 discharged by the refrigeration blower fan 11b into the refrigeration temperature zone cool air flow path 19. It will be a cover to guide you to.
  • a refrigeration temperature zone cool air flow path 18 is formed behind the refrigeration chamber 3 and the chilled chamber 4.
  • the refrigeration temperature zone cool air flow path 18 extends, for example, in the vertical direction on the rear surface of the back plate 1c disposed behind the chilled chamber 3 to the lower side of the chilled chamber 4, and is recessed forward. It consists of the groove part which makes.
  • the refrigeration temperature zone cool air flow path 18 extends upward from the position of the refrigeration blower fan 11 a, the back plate 1 c is opened at the positions of the refrigeration chamber 3 and the chilled chamber 4, and the refrigeration chamber 3 and the chilled chamber 4
  • a plurality of air outlets (refrigerating air outlets 18a) through which the cold air flow path 18 communicates are formed.
  • the lower end of the refrigerated temperature zone cool air flow path 18 is connected to a cold air hole 10c (see FIG. 5B) formed above the first region 10a1 of the duct cover 10a. That is, the refrigeration temperature zone cool air flow path 18 has a function of guiding the cool air 100 generated by the cooler 12 to the refrigeration chamber 3 and the chilled chamber 4 (refrigeration temperature zone chamber).
  • the refrigeration temperature zone cold air flow path 18 and the refrigeration outlet 18 a are not formed at the position of the vegetable room 5, and the cold air 100 flowing through the refrigeration temperature zone cold air flow path 18 is supplied to the vegetable room 5 by this configuration. It will not be configured. And the vegetable compartment 5 is not cooled directly by the cold air 100, but indirectly cooled so that it may mention later.
  • the inner wall 1b (see FIG. 3) is omitted.
  • the inner wall 1b is provided so as to cover the refrigeration room 3, the chilled room 4, the vegetable room 5, and the freezing room 6 except for the front. Further, the rear and left-right directions of the cooler chamber 10 are surrounded by the inner wall 1b. And the inner wall 1b closes the groove-like refrigeration temperature zone cool air flow path 18 from the rear to form a tubular refrigeration temperature zone cool air flow path 18.
  • a fixed plate 10b to which a refrigeration blower fan 11a and a freezing blower fan 11b are attached is arranged behind the vegetable compartment 5, and the front thereof is covered with a duct cover 10a.
  • the rear of the freezer compartment 6 is a back plate 1f. And it is partitioned from the cooler chamber 10 by the back cover 1d.
  • blower fan 11 (refrigeration blower fan 11a, freezing blower fan 11b), cooler 12, refrigeration temperature zone cold air passage 18, refrigeration outlet 18a, refrigeration temperature zone cold air passage 19, and refrigeration outlet 19a are provided. Including the cooling means of the present embodiment.
  • a duct cover 10a is disposed in front of the refrigeration blower fan 11a (discharge side So), and the first region 10a1 covered with the duct cover 10a extends upward. It communicates with the refrigeration temperature zone cold air flow path 18 provided through the cold air hole 10c. Further, the rear (intake side Si) of the refrigeration blower fan 11 a is arranged so as to face the cooler chamber 10. With this configuration, the refrigeration blower fan 11 a can blow the cold air 100 generated by the cooler 12 into the refrigeration temperature zone cool air flow path 18. Then, the cold air 100 blown to the refrigeration temperature zone cool air flow path 18 by the refrigeration blower fan 11a is blown out and supplied from the refrigeration outlet 18a to the refrigeration chamber 3 and the chilled chamber 4. That is, the cold air 100 is supplied to the refrigerating chamber 3 and the chilled chamber 4 from the rear.
  • a duct cover 10a is disposed in front of the refrigeration blower fan 11b (discharge side So), and the second area 10a2 of the internal space covered with the duct cover 10a is It communicates with a refrigeration temperature zone cool air passage 19 formed below. Further, the rear (intake side Si) of the refrigeration blower fan 11 b is arranged so as to face the cooler chamber 10. With this configuration, the refrigeration blower fan 11 b can blow the cold air 100 generated by the cooler 12 into the refrigeration temperature zone cool air flow path 19.
  • the refrigeration blower fan 11b discharges the cool air 100 generated in the cooler chamber 10 obliquely upward, and the cool air 100 discharged obliquely upward is turned downward by the duct cover 10a and flows into the freezing temperature zone cool air flow path 19. .
  • the cool air 100 blown to the freezing temperature zone cool air flow path 19 by the freezing blower fan 11b is blown out and supplied from the freezing outlet 19a to the freezer compartment 6. That is, the cold air 100 is supplied to the freezer compartment 6 from behind.
  • the attachment angle (theta) 1 of the ventilation fan 11a for refrigeration is smaller than the attachment angle (theta) 2 of the ventilation fan 11b for freezing.
  • the attachment angle here is an angle formed by the discharge direction of the cool air 100 and the vertical direction, and the cool air 100 is discharged upward as the attachment angle decreases. That is, it is preferable that the refrigeration blower fan 11a is attached at an attachment angle such that the cool air 100 is discharged upward from the refrigeration blower fan 11b.
  • the refrigeration blower fan 11a having a smaller attachment angle ⁇ 1 than the attachment angle ⁇ 2 of the refrigeration blower fan 11b discharges the cool air 100 upward from the refrigeration blower fan 11b.
  • the refrigeration blower fan 11a with a small mounting angle can blow the cold air 100 to the refrigeration temperature zone cool air flow path 18 extending upward.
  • the refrigeration blower fan 11b having a large attachment angle can blow the cold air 100 to the refrigeration temperature zone cool air flow path 19 extending downward.
  • the ventilation fan 11a for refrigerating and the ventilation fan 11b for freezing of a present Example are located in right and left, rather than the partition 5a between the vegetable compartment 5 and the freezing compartment 6. Arranged above. Furthermore, it is preferable that the refrigeration blower fan 11a is arranged at a position above the refrigeration blower fan 11b. That is, the refrigeration blower fan is such that the uppermost part of the flow of the cold air 100 discharged from the refrigeration blower fan 11a is positioned above the uppermost part of the flow of the cold air 100 discharged from the refrigeration blower fan 11b. It is preferable that 11a and the ventilation fan 11b for freezing are arrange
  • the refrigeration blower fan 11a is a fan that blows the cool air 100 supplied to the refrigeration chamber 3 and the chilled chamber 4 disposed above the partition wall 5a, the refrigeration blower fan 11a is disposed at an upper position. As a result, the flow path length of the cold air 100 is shortened, and the efficiency of supplying the cold air 100 to the refrigerating chamber 3 and the chilled chamber 4 can be improved. And the refrigerator compartment 3 and the chilled room 4 can be cooled efficiently.
  • both the refrigeration blower fan 11a and the refrigeration blower fan 11b have a rectangular outer frame facing the discharge side So, the refrigeration blower fan 11a and the refrigeration blower fan 11b are both forward and backward. It is preferable that the refrigeration blower fan 11a and the refrigeration blower fan 11b have different inclination angles with respect to the left-right direction.
  • the inclination angle of the refrigeration blower fan 11a and the freezing blower fan 11b is an angle at which the outer frame of the refrigeration blower fan 11a and the freezing blower fan 11b is inclined with respect to the left-right direction.
  • the refrigeration blower fan 11a has an angle ⁇ 3 formed by one side of the upper (or lower) side of the outer frame facing the front side of the refrigeration blower fan 11a having a rectangular outer frame.
  • the inclination angle of Similarly, an angle ⁇ 4 formed by one side of the upper (or lower) side of the outer frame facing the front of the refrigeration blower fan 11b having a rectangular outer frame is defined as an inclination angle of the refrigeration blower fan 11b.
  • the inclination angle ⁇ 3 of the refrigeration blower fan 11a is different from the inclination angle ⁇ 4 of the refrigeration blower fan 11b.
  • the angle ⁇ 4 (inclination angle of the refrigeration blower fan 11b) is larger than the angle ⁇ 3 (inclination angle of the refrigeration blower fan 11a) (angle ⁇ 4> angle ⁇ 3).
  • the vibration of the refrigeration blower fan 11a and the vibration of the refrigeration blower fan 11b are The transmission characteristics to the fixed plate 10b can be changed, and the resonance of vibrations of the refrigeration blower fan 11a and the refrigeration blower fan 11b can be suppressed. As a result, the vibration of the fixed plate 10b can be suppressed, and the noise of the refrigerator 1 (see FIG. 1) can be reduced.
  • the refrigeration blower fan 11a and the refrigeration blower fan 11b are attached with inclination angles ⁇ 3 and ⁇ 4, respectively, thereby avoiding the interference in the left and right direction between the refrigeration blower fan 11a and the refrigeration blower fan 11b.
  • a large refrigeration blower fan 11a and a refrigeration blower fan 11b can be attached.
  • the refrigerator 1 of the present embodiment is provided with a cooling mechanism for indirectly cooling the vegetable compartment 5.
  • 8 is a side sectional view showing the configuration of the chilled room and the vegetable room
  • FIG. 9 is a rear perspective view showing the cold air duct
  • FIG. 10 is a perspective view showing the structure of the partition
  • FIG. 11 is a side sectional view showing the structure of the freezing room. It is.
  • the chilled chamber 4 of the present embodiment is disposed above the vegetable chamber 5 and partitioned by the vegetable chamber 5 and the partition portion 4 c, and the vegetable chamber 5 is stretched forward of the chilled chamber 4. It is formed to take out.
  • the partition 4 c becomes the bottom surface of the chilled chamber 4.
  • the chilled chamber 4 is formed as a space partitioned by the lower storage shelf 3b, the partition portion 4c, and the inner wall 1b.
  • the vegetable compartment 5 is formed by accommodating a vegetable container 50 that can be pulled out forward in a space defined by the partition portion 4c, the partition wall 5a, and the inner wall 1b.
  • the vegetable container 50 is formed with a handle 51 for the user to handle when pulling out.
  • the vegetable container 50 is configured to be able to be pulled out by sliding movement in the front-rear direction by rotation of the roller member 52 attached to the partition wall 5a, and a configuration in which the partition wall 5a and the vegetable container 50 are not in direct contact is preferable.
  • a roller member (not shown) may be provided on the vegetable container 50 side, and the roller member may roll on the upper surface of the partition wall 5a.
  • a refrigeration temperature zone cool air flow path 18 is disposed behind the chilled chamber 4 to form a refrigeration outlet 18 a that communicates the refrigeration temperature zone cool air flow path 18 and the chilled chamber 4.
  • the circulating cold air 100 is supplied from the refrigeration outlet 18a, and the chilled chamber 4 is cooled.
  • the chilled chamber 4 houses a chilled chamber container 4a that can be drawn forward as described above.
  • the structure is not limited, but, for example, guide rails (not shown) extending in the front-rear direction are formed on the inner wall 1b forming the left and right side walls of the chilled chamber 4, and the chilled chamber container is formed on the guide rails. What is necessary is just to set it as the structure attached 4a so that a slide movement is possible.
  • the chilled chamber container 4a is attached separately from the partition portion 4c, and a gap portion 4a1 communicating in the front-rear direction is formed between the chilled chamber container 4a and the partition portion 4c.
  • the cold air duct 17 is connected to the back plate 1c disposed behind the chilled chamber 4, and the back plate 1c is opened so that the chilled chamber 4 and the cold air duct 17 communicate with each other.
  • the cold air duct 17 having one end connected to the back plate 1 c provided behind the chilled chamber 4 extends downward, and the other end is connected to the cooler chamber 10 below the defrost heater 15. .
  • the chilled chamber 4 communicates with the lower portion of the cooler 12 in the cooler chamber 10 via the cold air duct 17.
  • the cooler room 10 is provided with a refrigeration blower fan 11 a and a refrigeration blower fan 11 b. The cooler room 10 sucks cold air 100 from the cooler room 10 and supplies it to each storage room of the refrigerator 1.
  • the vegetable compartment 5 formed below is cooled by cooling the partition part 4c. That is, the vegetable compartment 5 is indirectly cooled by the cold air 100 via the partition part 4c.
  • problems such as “vegetable frostbite” may occur. Since the vegetable compartment 5 of a present Example is indirectly cooled via the partition part 4c, the excessive cooling of the vegetable compartment 5 is suppressed. For this reason, it is preferable that the partition part 4c is formed with a member with high heat transfer efficiency.
  • the chilled chamber container 4a is cooled from below when the cold air 100 flows through the gap 4a1 formed below the chilled chamber container 4a. Therefore, the chilled chamber container 4a is efficiently cooled, and the stored items in the chilled chamber container 4a can be efficiently cooled.
  • gas duct 17 is a structure formed with the pipe line piped so that it may pass through the back of the cooler 12 and the defrost heater 15.
  • FIG. 9 the inner wall 1b (see FIG. 3) is not shown, and the lower end of the cool air duct 17 may be connected to the inner wall 1b behind the cooler chamber 10.
  • FIG. 9 shows a configuration in which two cold air ducts 17 are provided in parallel in the left-right direction.
  • a configuration in which one cold air duct 17 is provided may be provided, or three or more cold air ducts 17 may be provided. The structure provided may be sufficient.
  • the cool air duct 17 when the cool air duct 17 is disposed behind the cooler 12 and the defrosting heater 15, the cool air 100 flowing through the cool air duct 17 is cooled by the cooler 12, and the cooler room 10 has low temperature cool air. 100 will return. Therefore, the cooling load of the cooler 12 can be reduced and the cooling efficiency can be improved. Moreover, since the cooler 12 and the cold air duct 17 do not interfere in the left-right direction, a large cooler 12 having a wide width in the left-right direction can be installed.
  • the cold air duct 17 when the cold air duct 17 is connected to the left and right of the cooler 12, a temperature difference occurs between the vicinity of the left and right ends of the cooler 12 and the vicinity of the center. May form frost. Since the cooler 12 (evaporator) is formed by a thin pipe line through which the refrigerant flows, if the frost is concentrated on a specific part, the refrigerant flow may be hindered. On the other hand, when the cold air duct 17 is piped behind the cooler 12, for example, the cold air duct 17 can be piped over the entire rear face of the cooler 12 (or close to it). Thus, the temperature difference between the left and right end portions and the central portion can be reduced. Therefore, generation
  • a plurality of groove portions 5a1 extend forward from the through hole 5a2 on the lower surface of the partition wall 5a, and the lower portion of the groove portion 5a1 is a cover member. It is closed at 5a3. Since the groove portion 5a1 configured in this manner communicates with the through hole 5a2, the groove portion 5a1 communicates with the cooler chamber 10 (see FIG. 8). As shown in FIG. 11, the groove portion 5a1 closed by the cover member 5a3 A pipe line (cold air pipe line 60) through which the cold air 100 flows and circulates is formed.
  • the cold air pipe 60 is a pipe that extends in the front-rear direction of the partition wall 5 a and has a rear end portion that communicates with the cooler chamber 10, and serves as a circulation means that circulates the cool air 100 forward from the cooler chamber 10. Function.
  • cover member 5a3 for example, through holes 5a4 are appropriately formed in the front, rear, and intermediate portions thereof, and the cold air 100 flowing through the cold air duct 60 (groove 5a1) is blown downward from the through holes 5a4.
  • the method for fixing the cover member 5a3 to the partition wall 5a is not limited.
  • the cover member 5a3 is fixed by snapping the engagement claw (not shown) formed in the cover member 5a3 and the engagement groove (not shown) formed in the groove 5a1 (snap fit). ), A fastening and fixing with a fastening member such as a bolt (not shown), or an adhesive and fixing with an adhesive or the like.
  • the freezer compartment 6 is a space surrounded by a partition wall 5a and an inner wall 1b, and the front is closed by a drawer door 2c. Further, as described above, the freezer compartment 6 includes the lower freezing container 6b configured to be able to be pulled forward together with the drawer door 2c and the upper stage configured to be capable of being pulled forward together with the drawer door 2c alone. A freezing container 6a is accommodated.
  • the upper freezing container 6a is formed in a box shape having an upper opening, and is arranged so that the upper end faces the lower surface of the partition wall 5a. Therefore, the opened upper end of the upper freezing container 6a faces the cover member 5a3 that closes the lower portion of the groove 5a1.
  • FIG. 11 it is good also as a structure which the lower stage freezing container 6b protrudes back rather than the upper stage freezing container 6a.
  • the rear side of the lower freezing container 6b opens upward, and the cold air 100 supplied to the freezing chamber 6 from the rear side is supplied to the lower freezing container 6b from the opening formed in the projecting portion, and the lower freezing container 6b.
  • the 6b stock is cooled.
  • At least a part of the front surface of the upper freezing container 6a may be retracted to the position of the through hole 5a4 formed in the forefront of the cover member 5a3.
  • the structure where the front surface of the upper stage freezing container 6a is curving back so that it may become concave shape to the position of the said through-hole 5a4 may be sufficient.
  • a gap is formed at the upper end of the front surface of the lower freezing container 6b, and the cool air 100 blown out from the through hole 5a4 formed in the forefront of the cover member 5a3 flows into the lower freezing container 6b from this gap. Therefore, the cool air 100 is efficiently supplied to the inside of the lower freezing container 6b, and the stored items in the lower freezing container 6b are effectively cooled.
  • the blower fan 11b is preferably attached so that at least a part thereof enters the through hole 5a2 formed in the partition wall 5a. And the structure by which a part of refrigeration ventilation fan 11b is arrange
  • the partition wall 5a is cooled by the cool air 100 flowing through the cool air duct 60.
  • the cooled partition 5a cools the vegetable compartment 5 arrange
  • the vegetable compartment 5 is cooled from both the upper and lower directions by the upper partition 4c (see FIG. 8) and the lower partition 5a. Therefore, even if it is the vegetable container 50 with which the depth of the up-down direction is deep provided in the vegetable room 5 formed so that the up-down direction is high, the stored item in the vegetable container 50 can be efficiently cooled.
  • the vegetable container 50 is supported by the roller member 52 so that it can be pulled out, and is configured so that the partition wall 5a and the vegetable container 50 are not in direct contact with each other. Therefore, the vegetable container 50 is indirectly cooled also from the cooled partition 5a, and it is suppressed that the stored matter of the vegetable container 50 is cooled excessively.
  • the refrigerator 1 (see FIG. 1) of the present embodiment includes the two blower fans 11 (the refrigeration blower fan 11a and the refrigeration blower fan 11b) as shown in FIG.
  • Cold air 100 can be supplied to the (refrigeration room 3, chilled room 4, vegetable room 5) and freezing temperature zone room (freezing room 6) by the respective blower fans 11.
  • the refrigeration blower fan 11a that supplies the cool air 100 to the upper refrigeration temperature zone chamber is disposed above the refrigeration blower fan 11b that supplies the cool air 100 to the lower refrigeration temperature zone chamber, and has an attachment angle ⁇ 1 (FIG. 6 (see (a)) is smaller than the mounting angle ⁇ 2 (see (b) in FIG. 6) of the refrigeration blower fan 11b.
  • the cool air 100 can be efficiently supplied to the upper refrigeration temperature zone.
  • the vegetable compartment 5 (refer FIG. 8) of a present Example is not directly cooled by the cool air 100 (refer FIG. 8), but the partition part 4c (cooled by the cool air 100 which distribute
  • the cool air 100 is effectively blown from the part of the refrigeration blower fan 11b that has entered the partition wall 5a to the cold air duct 60, and the partition wall 5a is efficiently passed through. Can be cooled.
  • this invention is not limited to an above-described Example.
  • the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described.
  • a part of the configuration of a certain embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of a certain embodiment.
  • the partition wall 5a (see FIG. 10) of the present embodiment has a structure in which the cold air duct 60 (see FIG. 10) composed of two grooves 5a1 (see FIG. 10) is formed on the lower surface.
  • gas channel 60 which consists of this groove part 5a1 may be formed may be sufficient.
  • the groove part 5a1 formed in the lower surface of the partition 5a was made into the cold air
  • it may be a cold air duct 60 formed of a vertical hole that is processed forward from the rear end side of the partition wall 5a with a processing tool such as a drill.
  • the number of the cold air ducts 17 is not limited to two, and a configuration in which three or more cold air ducts 17 are provided may be employed.

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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)
PCT/JP2012/074765 2012-09-26 2012-09-26 冷蔵庫 WO2014049739A1 (ja)

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CN201280075319.XA CN104583695B (zh) 2012-09-26 2012-09-26 冰箱
PCT/JP2012/074765 WO2014049739A1 (ja) 2012-09-26 2012-09-26 冷蔵庫
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CN105509400A (zh) * 2015-12-29 2016-04-20 海信（山东）冰箱有限公司 一种单系统风冷冰箱
JP2016075465A (ja) * 2014-08-20 2016-05-12 株式会社東芝 冷蔵庫
JP2016161252A (ja) * 2015-03-04 2016-09-05 シャープ株式会社 冷蔵庫
JP2017020690A (ja) * 2015-07-09 2017-01-26 パナソニックＩｐマネジメント株式会社 冷蔵庫
WO2019165520A1 (en) * 2018-03-02 2019-09-06 Electrolux Do Brasil S.A. Air passageways in a variable climate zone compartment
CN110360790A (zh) * 2014-08-20 2019-10-22 东芝生活电器株式会社 冰箱
JP7473682B2 (ja) 2020-05-08 2024-04-23 海信容声（広東）氷箱有限公司 冷蔵庫

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JP2020073834A (ja) * 2014-08-20 2020-05-14 東芝ライフスタイル株式会社 冷蔵庫
JP7100612B2 (ja) 2014-08-20 2022-07-13 東芝ライフスタイル株式会社 冷蔵庫
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CN105509400A (zh) * 2015-12-29 2016-04-20 海信（山东）冰箱有限公司 一种单系统风冷冰箱
WO2019165520A1 (en) * 2018-03-02 2019-09-06 Electrolux Do Brasil S.A. Air passageways in a variable climate zone compartment
US11512888B2 (en) 2018-03-02 2022-11-29 Electrolux Do Brasil S.A. Air passageways in a variable climate zone compartment
JP7473682B2 (ja) 2020-05-08 2024-04-23 海信容声（広東）氷箱有限公司 冷蔵庫

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JP5771334B2 (ja) 2015-08-26
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