WO2017183159A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2017183159A1
WO2017183159A1 PCT/JP2016/062664 JP2016062664W WO2017183159A1 WO 2017183159 A1 WO2017183159 A1 WO 2017183159A1 JP 2016062664 W JP2016062664 W JP 2016062664W WO 2017183159 A1 WO2017183159 A1 WO 2017183159A1
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WO
WIPO (PCT)
Prior art keywords
door
heat pipe
refrigerator
storage
end portion
Prior art date
Application number
PCT/JP2016/062664
Other languages
English (en)
Japanese (ja)
Inventor
貴紀 谷川
拓也 児玉
小林　孝
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201690000306.XU priority Critical patent/CN206890978U/zh
Priority to JP2018512723A priority patent/JP6559335B2/ja
Priority to PCT/JP2016/062664 priority patent/WO2017183159A1/fr
Publication of WO2017183159A1 publication Critical patent/WO2017183159A1/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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • 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
    • F25D23/02—Doors; Covers

Definitions

  • the present invention relates to a refrigerator capable of preventing the occurrence of condensation.
  • Patent Documents 1 to 3 disclose ones that prevent the occurrence of condensation in a refrigerator by hot gas from a dew-proof heater or a compressor. Yes.
  • This invention is for solving the above-mentioned subject, and provides the refrigerator which can suppress the driving
  • the refrigerator of the present invention includes an outer box and an inner box, a box having a front opening, a storage having a partition wall that partitions the space inside the box, and a refrigeration cycle circuit that supplies cold heat to the storage. And a heat pipe provided in the storage, the first end portion which is one end side of the heat pipe is disposed on the outer box side between the outer box and the inner box, The 2nd terminal part used as the other end side of the said heat pipe is arrange
  • the refrigerator of the present invention includes a box body whose front is open, a partition wall that partitions the space inside the box body, and a storage door that opens and closes a storage space partitioned by the box body and the partition wall.
  • the storage door is disposed between a door outer plate constituting a front portion of the storage door, a door inner plate constituting a side surface portion of the storage door, and the door outer plate and the door inner plate.
  • a first end portion which is one end side of the first heat pipe is disposed on the front portion side of the storage door, and the other end side of the first heat pipe.
  • the 2nd terminal part used as will be arranged in contact with the side of the storage door.
  • the condensation can be vaporized, so the operation of the compressor for the purpose of preventing the condensation or Energization of the heater can be suppressed. Therefore, according to the structure of this invention, the refrigerator which can reduce power consumption can be provided.
  • FIG. 5 is a schematic diagram showing an enlarged part of FIG. 4 in addition to FIG. 4.
  • FIG. 4 is the schematic sectional drawing which showed an example of arrangement
  • FIG. 1 of the present invention it is a schematic diagram illustrating the operation when the compressor 61 is stopped when the second end portion 70b of the heat pipe 70 is in contact with the condensing pipe 62.
  • FIG. 1 of the present invention it is a schematic diagram showing an operation at the time of driving the compressor 61 when the second end portion 70b of the heat pipe 70 is in contact with the condensing pipe 62.
  • FIG. It is the perspective view which showed roughly the external appearance structure of the refrigerator compartment left door 2a of the double doors 2 which is an example of the storage door 1 of the refrigerator 100 which concerns on Embodiment 2 of this invention.
  • FIG. 1 is a schematic perspective view showing an example of an external configuration of the refrigerator 100 according to the first embodiment.
  • the positional relationship between the constituent members of the refrigerator 100 in the following description for example, the positional relationship such as up and down, left and right, and front and rear is basically the positional relationship when the refrigerator 100 is installed in a usable state.
  • the dimensional relationship and shape of each component may be different from the actual one.
  • symbol is attached
  • symbol is abbreviate
  • the refrigerator 100 includes a refrigerating room left door 2 a and a refrigerating room right door 2 b as a rotary double door 2 at the top. Further, an ice making room door 3a is provided below the refrigerating room left door 2a, and a switching room door 3b is provided below the refrigerating room right door 2b. A freezing room door 3c is provided below the ice making room door 3a and the switching room door 3b, and a vegetable room door 3d is provided below the freezing room door 3c.
  • the ice making room door 3 a, the switching room door 3 b, the freezer room door 3 c, and the vegetable room door 3 d are configured as a drawer-type door 3.
  • the double door 2 and the drawer door 3 constitute a storage door 1 that can maintain the cold insulation performance inside the refrigerator.
  • the storage door 1 is a front door 1 a of the storage door 1, for example, the left door 2 a of the refrigerator compartment, that is, a door skin plate that forms a design surface on the front side of the refrigerator 100.
  • 4a and the door inner plate 4b which comprises the side part 1b and the back part 1c of the storage door 1 are provided.
  • the door outer plate 4a can be made of glass or the like
  • the door inner plate 4b can be made of plastic resin or the like.
  • the storage door 1 can be made into the structure filled with heat insulating materials 4c, such as a vacuum heat insulating material and a urethane resin, between the door outer plate
  • FIG. 2 is a schematic perspective view showing an example of the configuration of the storage 10 of the refrigerator 100 according to the first embodiment.
  • the storage 10 includes a steel plate outer box 15 a that forms the outer wall of the refrigerator 100, a resin inner box 15 b that forms the inner wall of the refrigerator 100, an outer box 15 a, and an inner box 15 b.
  • a heat insulating box 15 having a heat insulating material 15c such as a vacuum heat insulating material and a urethane resin filled in between and having an open front is provided.
  • the storage 10 is provided with a plurality of heat insulating partition walls 20 that partition the internal space of the box 15, and a plurality of storage spaces 30 partitioned by the partition walls 20 are partitioned.
  • the interior of the partition wall 20 is filled with a heat insulating material such as a vacuum heat insulating material or urethane resin.
  • the storage 10 includes four partition walls 20, that is, a first partition wall 22, a second partition wall 24, a third partition wall 26, and a fourth partition wall 28. Yes.
  • a refrigeration room 30a which is an example of the storage space 30, is partitioned above the space partitioned by the first partition wall 22, and the refrigeration room 30a is formed by rotating the refrigeration room left door 2a and the refrigeration room right door 2b. Opened and closed.
  • the second partition wall 24 is disposed below the first partition wall 22.
  • the space between the first partition wall 22 and the second partition wall 24 is further partitioned by a third partition wall 26 that connects between the first partition wall 22 and the second partition wall 24.
  • a third partition wall 26 that connects between the first partition wall 22 and the second partition wall 24.
  • an ice making chamber 30b which is an example of the storage space 30, is partitioned, and the ice making chamber 30b is opened and closed by pushing and pulling the ice making chamber door 3a.
  • a switching chamber 30c which is an example of the storage space 30, is partitioned, and the switching chamber 30c is opened and closed by pushing and pulling the switching chamber door 3b.
  • the fourth partition wall 28 is disposed below the second partition wall 24.
  • a freezer compartment 30 d that is an example of the storage space 30.
  • the freezer compartment 30d is opened and closed by pushing and pulling the freezer compartment door 3c.
  • a vegetable room 30e which is an example of the storage space 30, is partitioned, and the vegetable room 30e is opened and closed by pushing and pulling the vegetable room door 3d.
  • a container for storing a storage object such as food is disposed inside the storage space 30.
  • the area in contact with the outside air is increased by opening and closing the storage door 1. Therefore, condensation occurs due to the temperature difference between the cold air temperature supplied to the inside of the storage space 30 and the outside air temperature, and frost formation is likely to occur. .
  • the front portion 20a of the partition wall 20 has a part that is always in contact with the outside air through the gap between the storage doors 1, condensation or frost formation is likely to occur.
  • the front surface portion 22a of the first partition wall 22 is exposed to outside air via a gap between the double door 2 and the ice making chamber door 3a and a gap between the double door 2 and the switching chamber door 3b. Since there is a part which always contacts, dew condensation or frost formation is likely to occur.
  • the front portion 24a of the second partition wall 24 is always connected to the outside air via the gap between the ice making room door 3a and the freezer compartment door 3c and the gap between the switching room door 3b and the freezer compartment door 3c. Since there is a contact portion, condensation or frost formation is likely to occur. In addition, since the front portion 26a of the third partition wall 26 has a portion that is always in contact with the outside air through a gap between the ice making chamber door 3a and the switching chamber door 3b, condensation or frost formation is likely to occur.
  • the front part 28a of the 4th partition wall 28 has a site
  • a region of the front side of the storage 10 where condensation or frost is likely to occur due to constant contact with the outside air is schematically surrounded by a broken line as a condensation generation region 35.
  • the box 15 is provided with a temperature sensor 40 for detecting the temperature of the outside air and a humidity sensor 45 for detecting the humidity of the outside air.
  • the temperature sensor 40 and the humidity sensor 45 are disposed on the upper surface of the box 15 as shown in FIG.
  • a material of the temperature sensor 40 for example, a semiconductor material such as a thermistor or a metal material such as a resistance temperature detector is used.
  • a material of the humidity sensor 45 for example, a polymer resistance type or polymer capacity type semiconductor sensor using a moisture sensitive polymer containing an additive such as ammonium salt, or an aluminum oxide capacity using porous aluminum oxide.
  • a semiconductor sensor of the type is used.
  • Temperature information or humidity information detected by the temperature sensor 40 and the humidity sensor 45 is transmitted to the control unit 50 that controls the overall operation of the refrigerator 100 by wired communication or wireless communication. Based on the temperature information or humidity information detected by the temperature sensor 40 and the humidity sensor 45, the control unit 50 operates the refrigeration cycle circuit 60 described later in FIG. 3, for example, the operating frequency of the compressor 61 and the opening of the decompression device 64. Adjust the degree. In the refrigerator 100, by adjusting the operation of the refrigeration cycle circuit 60, the operation of the cooling operation for supplying cold heat to the storage space 30 or the defrosting operation for supplying hot gas to the dew condensation generation region 35 and the like is controlled.
  • the control unit 50 is configured as a dedicated hardware, a microcomputer or a microprocessing unit provided with a central processing unit, a memory, and the like.
  • the control unit 50 is configured as, for example, an embedded control circuit board and can be disposed between the outer box 15a and the inner box 15b of the box 15. In the following drawings including FIG. 2, the internal structure of the control unit 50 is not shown.
  • control unit 50 When the control unit 50 is configured as dedicated hardware, the control unit 50 can be configured by, for example, a single circuit, a composite circuit, an ASIC, an FPGA, or a combination thereof.
  • the control unit 50 may be configured such that each control process can be realized by individual hardware, or each control process may be performed by one hardware.
  • ASIC is an abbreviation for an application specific integrated circuit
  • FPGA is an abbreviation for a field programmable gate array.
  • control unit 50 When the control unit 50 is configured as a microcomputer or a microprocessing unit, the control process executed by the control unit 50 is realized by software, firmware, or a combination of software and firmware. Software or firmware is described as a control program.
  • the memory is configured as a storage unit of the control unit 50 that stores the control program.
  • the memory can be configured as a nonvolatile or volatile semiconductor memory such as a RAM, a ROM, a flash memory, an EPROM, or an EEPROM.
  • the central processing unit is configured as an arithmetic unit that implements control processing by reading and executing a control program stored in a memory.
  • the central processing unit is abbreviated as “CPU”.
  • the central processing unit is also referred to as a processing unit, a processing unit, a microprocessor, or a processor.
  • control unit 50 may be configured so that a part of the control process is realized by dedicated hardware and the remaining control process is realized by a microcomputer or a microprocessing unit.
  • FIG. 3 is a refrigerant circuit diagram schematically showing an example of the refrigeration cycle circuit 60 of the refrigerator 100 according to the first embodiment.
  • the refrigeration cycle circuit 60 is a refrigerant circuit in which a compressor 61, a condensation pipe 62, a condenser 63, a decompression device 64, and an evaporator 65 are connected by a refrigerant pipe 66, and the refrigerant circulates inside the refrigerant pipe 66.
  • the compressor 61, the condenser 63, the decompression device 64, the evaporator 65, and the refrigerant pipe 66 are the minimum components of the refrigeration cycle circuit 60.
  • Compressor 61 is a fluid machine that compresses sucked low-pressure refrigerant and discharges it as high-pressure refrigerant.
  • the compressor 61 is configured as, for example, a reciprocating compressor, a rotary compressor, a scroll compressor, or the like.
  • the compressor 61 may be configured as a vertical compressor or a horizontal compressor.
  • the compressor 61 is accommodated in, for example, a machine room provided on the back side of the bottom surface of the refrigerator 100.
  • the condensation pipe 62 is configured as a heat exchanger that performs heat exchange between a high-temperature and high-pressure gas refrigerant flowing inside the condensation pipe 62 and a low-temperature medium supplied to the outside of the condensation pipe 62.
  • the condensing pipe 62 is embedded and disposed on the front portion 20a side of the partition wall 20, for example.
  • frost or condensation is formed on the high-temperature and high-pressure gas refrigerant flowing inside the condensing pipe 62 and the front portion 20a of the partition wall 20. Heat exchange is performed with water droplets.
  • the condensation pipe 62 can increase the heat exchange area and improve the heat exchange efficiency by providing a plurality of fins on the outer surface of the condensation pipe 62. Further, in the refrigerator 100, the condensation pipe 62 may be referred to as a “dew prevention pipe”. In FIG. 3, the condensing pipe 62 is piped in series with the condenser 63, but may be piped in parallel.
  • the condenser 63 is configured as a heat exchanger that performs heat exchange between a high-temperature and high-pressure gas refrigerant flowing inside the condenser 63 and a low-temperature medium supplied to the condenser 63.
  • the condenser 63 is, for example, disposed between the outer box 15a and the inner box 15b of the box 15 on the side surface 10a or the back surface 10b side of the storage 10, and with the outside air via the outer box 15a made of steel plate. It can be configured to exchange heat between them.
  • the condenser 63 may be configured as, for example, a cross fin type fin-and-tube heat exchanger so that heat exchange with the outside air can be performed directly. In the refrigerator 100, the condenser 63 may be referred to as a “heat radiator”.
  • the decompression device 64 can be configured as, for example, an expansion valve such as a linear electronic expansion valve capable of expanding and decompressing a high-pressure liquid refrigerant and capable of adjusting the opening degree in multiple steps or continuously.
  • the decompression device 64 is accommodated, for example, in a machine room provided on the back side of the bottom surface of the refrigerator 100.
  • the decompression device 64 may be configured as a capillary tube instead of being configured as an actuator such as an expansion valve.
  • the linear electronic expansion valve may be abbreviated as “LEV”.
  • the evaporator 65 can be configured as an air-cooled heat exchanger that performs heat exchange between the low-temperature and low-pressure two-phase refrigerant flowing inside the evaporator 65 and the high-temperature air supplied to the evaporator 65.
  • the evaporator 65 can be configured as, for example, a cross fin type fin-and-tube heat exchanger, and heat is generated between a low-temperature and low-pressure two-phase refrigerant flowing inside the evaporator 65 and high-temperature air passing through the evaporator 65. Configured to perform an exchange.
  • the evaporator 65 is accommodated together with a fan in an evaporator chamber provided on the back side of the bottom surface of the refrigerator 100, for example.
  • the evaporator chamber is provided separately from the machine chamber, and cold air that cools the storage space 30 is generated by heat exchange between the evaporator 65 and hot air.
  • the cold air generated in the evaporator chamber is circulated to the storage space 30 by a fan.
  • the moisture in the air frosts in the evaporator 65 by heat exchange in the evaporator 65.
  • the frost in the evaporator 65 is periodically melted using, for example, an electric heater or the like, and stored as defrosted water in an evaporating dish provided at the bottom of the refrigerator 100, for example. .
  • the defrost water stored in the evaporating dish is discharged outside the refrigerator 100 as water vapor, for example, by being heated and evaporated by the condenser 63.
  • the evaporator chamber, the fan, the electric heater, and the evaporating dish are not shown.
  • the evaporator 65 is disposed in each storage space 30, whereby the air inside the storage space 30 supplied to the evaporator 65 and the inside of the evaporator 65 are arranged.
  • Heat exchange can be performed with a low-temperature and low-pressure two-phase refrigerant flowing through the. Cold heat is supplied to the inside of the storage space 30 by heat exchange between the air inside the storage space 30 and the low-temperature and low-pressure two-phase refrigerant.
  • the refrigeration cycle circuit 60 may have a configuration in which a plurality of evaporators 65 are arranged in parallel.
  • the evaporator 65 may be called a "cooler" and a "vaporizer".
  • FIG. 3 the direction in which the refrigerant flows is indicated by arrows.
  • the high-temperature and high-pressure gas refrigerant discharged from the compressor 61 flows into the condensing pipe 62.
  • the high-temperature and high-pressure gas refrigerant that has flowed into the condensing pipe 62 is heat-exchanged by releasing heat to water droplets that have formed frost or dew on the front surface 20 a of the partition wall 20, and flows into the condenser 63.
  • the refrigerant flowing into the condenser 63 is heat-exchanged by releasing heat to the outside air in the condenser 63, and becomes a high-pressure liquid refrigerant.
  • the high-pressure liquid refrigerant flows into the decompression device 64.
  • the high-pressure liquid refrigerant flowing into the decompression device 64 is expanded and decompressed to become a low-temperature and low-pressure two-phase refrigerant.
  • the low-temperature and low-pressure two-phase refrigerant flows into the evaporator 65.
  • the low-temperature and low-pressure two-phase refrigerant absorbs heat from the high-temperature air supplied to the evaporator 65 and evaporates to become a two-phase refrigerant having a high dryness or a low-temperature and low-pressure gas refrigerant.
  • an accumulator can be disposed in the refrigerant pipe 66 that connects the evaporator 65 and the compressor 61.
  • the liquid phase component can be separated from the refrigerant flowing out of the evaporator 65.
  • the refrigeration cycle circuit 60 may include a liquid receiver, an oil separator, a solenoid valve, a flow rate adjustment valve, and the like in addition to the above-described components.
  • FIG. 4 is a schematic view showing the arrangement of the heat pipes 70 in the storage 10 of FIG.
  • FIG. 5 is an enlarged schematic view of a part of FIG. 4 in addition to FIG.
  • the heat pipe 70 is a tubular heat conducting member that includes a sealed container that forms an outer shell of the heat pipe 70, and a capillary structure called a wick that extends from the inner wall surface of the sealed container toward the center of the tube diameter of the sealed container. It is. A small amount of liquid working medium is housed in a sealed container in a vacuum-sealed manner.
  • the working medium enclosed in the sealed container becomes a gas, and the first end portion It moves from 70a to the 2nd end part 70b which is the other end side of heat pipe 70.
  • the working medium that has become a gas condenses into a liquid.
  • the liquid working medium condensed in the second end portion 70b moves from the second end portion 70b to the first end portion 70a by the capillary force of the capillary structure.
  • the first end portion 70a warm heat is supplied to the liquid working medium, and the working medium enclosed in the sealed container becomes a gas and moves from the first end portion 70a to the second end portion 70b.
  • the above cycle is repeated by the temperature difference between the first end portion 70a and the second end portion 70b. That is, in the heat pipe 70, the heat pipe 70 is operated inside the sealed container by continuously causing the phase change of the working medium due to the temperature difference between the first end portion 70a and the second end portion 70b. The medium can be moved and heat can be moved.
  • a liquid such as water or brine, a volatile liquid such as alcohol, or a working medium such as alternative chlorofluorocarbon can be used.
  • the airtight container of the heat pipe 70 can be made of, for example, iron, aluminum, copper, brass, or stainless steel, or a combination of these materials.
  • the capillary structure of the heat pipe 70 can be made of copper.
  • the sealed container of the heat pipe 70 may have a circular tube shape or a flat tube shape.
  • the outer surface of the airtight container of the heat pipe 70 may be a uniform surface, or may be an uneven surface such as a corrugated surface with improved heat conduction efficiency.
  • the first end portion 70a that is one end side of the heat pipe 70 is referred to as a heating portion, an evaporation portion, a high temperature portion, and the like, and the second end portion 70b that is the other end side of the heat pipe 70 is a cooling portion and a condensation portion. Part, low temperature part and the like.
  • the first end portion 70a which is one end side of the heat pipe 70 is disposed on the outer box 15a side between the outer box 15a and the inner box 15b.
  • the first end portion 70a of the heat pipe 70 can be brought into contact with the outer box 15a.
  • the 2nd terminal part 70b which is the other end side of the heat pipe 70 is arrange
  • the second end portion 70 b of the heat pipe 70 can be brought into contact with the front portion 20 a of the partition wall 20.
  • the heat pipe 70 can supply warm heat due to the outside air temperature to the front side of the storage 10, and can melt or vaporize frost or condensation on the front side of the storage 10.
  • FIG. 6 is a schematic cross-sectional view showing an example of the arrangement of the end portion of the heat pipe 70 in the storage 10 of the refrigerator 100 according to the first embodiment.
  • the first end portion 70a disposed between the outer box 15a and the inner box 15b is shown, and the direction of the force received by the first end portion 70a is indicated by an arrow.
  • the first end portion 70a is in the direction of the outer box 15a by filling the outer box 15a and the inner box 15b with a heat insulating material 15c such as a vacuum heat insulating material or urethane resin. The force due to the filling of 15c is applied.
  • a heat insulating material 15c such as a vacuum heat insulating material or urethane resin.
  • the first end portion 70a By applying a force by filling the heat insulating material 15c, the first end portion 70a is disposed in contact with the outer box 15a. By disposing the first end portion 70a in contact with the outer box 15a, the thermal resistance between the first end portion 70a and the outer box 15a can be reduced.
  • the state in which the first end portion 70a is disposed in contact with the outer box 15a is a state in which a separate heat conduction member such as a copper plate is interposed between the first end portion 70a and the outer box 15a. Shall be included.
  • the second end portion 70 b comes into contact with the front portion 20 a of the partition wall 20 by filling the partition wall 20 with a heat insulating material such as a vacuum heat insulating material or urethane resin. Arranged.
  • a heat insulating material such as a vacuum heat insulating material or urethane resin.
  • the second end portion 70b may be configured to be in close contact with the front portion 20a of the partition wall 20 by interposing a heat conducting member such as a separate copper plate between the front portion 20a of the partition wall 20. .
  • the state where the second end portion 70b is disposed in contact with the front portion 20a of the partition wall 20 is a separate body such as a copper plate between the second end portion 70b and the front portion 20a of the partition wall 20.
  • the state including a heat conducting member is included.
  • the second end portion 70b of the heat pipe 70 can be configured so as to be in contact with the condensing pipe 62 disposed inside the partition wall 20.
  • FIG. 7 is a schematic diagram illustrating the operation when the compressor 61 is stopped when the second end portion 70 b of the heat pipe 70 is in contact with the condensing pipe 62 in the refrigerator 100 according to the first embodiment.
  • FIG. 8 is a schematic diagram illustrating an operation at the time of driving the compressor 61 when the second end portion 70 b of the heat pipe 70 is in contact with the condensing pipe 62 in the refrigerator 100 according to the first embodiment.
  • FIG.7 and FIG.8 the moving direction of the warm heat in the heat pipe 70 is shown by the arrow.
  • the partition wall temperature T1 of the front portion 20a of the partition wall 20 is the temperature of the outer box 15a, that is, It becomes lower than the outside air temperature T2. Therefore, when the heat generated by the outside air temperature T2 is supplied to the first end portion 70a of the heat pipe 70, the working medium enclosed in the sealed container becomes a gas, and the heat pipe 70 is heated from the first end portion 70a. Move to the second end 70b.
  • the partition wall temperature T1 of the front portion 20a of the partition wall 20 becomes higher than the temperature of the outer box 15a, that is, the outside air temperature T2, due to the supply of hot gas from the compressor 61. . Therefore, when the compressor 61 is driven, when the hot gas is supplied to the second end portion 70b of the heat pipe 70, the working medium enclosed in the sealed container becomes a gas, and the second end The portion 70b moves to the first end portion 70a of the heat pipe 70. When the heat generated by the hot gas moves to the first end portion 70a of the heat pipe 70, the heat is released from the gas working medium to the outside through the outer box 15a.
  • the state in which the second end portion 70b of the heat pipe 70 is disposed in contact with the condensing pipe 62 is such that a separate heat conducting member such as a copper plate is interposed between the second end portion 70b and the condensing pipe 62. Including the intervening state.
  • the refrigerator 100 includes the box 15 having the outer box 15a and the inner box 15b and having the front opened, and the partition wall 20 that partitions the storage space 30 that is the space inside the box 15.
  • the storage 10 the refrigeration cycle circuit 60 that supplies cold heat to the storage 10, and the heat pipe 70 provided in the storage 10, the first end portion 70 a that is one end side of the heat pipe 70, Between the box 15b, it is arrange
  • the heat pipe 70 is disposed in the storage 10, the first end portion 70a is disposed on the outer box 15a side having a temperature equivalent to the outside air temperature, and the second end portion 70b of the heat pipe 70 is It arrange
  • the frost or condensation generated in the condensation generation region 35 by the heat pipe 70 can be melted or vaporized. Therefore, the compressor 61 for preventing frost or condensation in a low outside air environment is used. Driving can be suppressed. Therefore, according to this configuration, since the operation of the compressor 61 for the purpose of preventing condensation can be suppressed in a low outside air environment, the refrigerator 100 can reduce power consumption even in a low outside air environment. Can be provided.
  • the 1st terminal part 70a of the heat pipe 70 can be made to contact the outer box 15a.
  • the 2nd terminal part 70b of the heat pipe 70 can be made to contact the front part 20a of the partition wall 20.
  • FIG. According to the above-described configuration, the thermal resistance between the first end portion 70a of the heat pipe 70 and the outer box 15a or between the second end portion 70b of the heat pipe 70 and the front portion 20a of the partition wall 20 is reduced. can do.
  • the refrigerator 100 further includes a condensing pipe 62 disposed inside the partition wall 20 and connected to the refrigeration cycle circuit 60, and the second end portion 70b is disposed in contact with the condensing pipe 62. it can.
  • frost or condensation generated in the condensation generation region 35 can be melted or vaporized, and heat release from the condensation pipe 62 by the heat pipe 70 is promoted, so that heat exchange efficiency in the condensation pipe 62 is achieved. Can be raised. Therefore, according to the above-described configuration, the coefficient of performance of the refrigeration cycle circuit 60 can be increased.
  • a heater may be preliminarily arranged at the second end portion 70b of the heat pipe 70. According to the above configuration, energization of the heater can be suppressed even when the heater is preliminarily arranged.
  • FIG. 9 is a perspective view schematically showing the external structure of the refrigerator compartment left door 2a of the double door 2, which is an example of the storage door 1 of the refrigerator 100 according to the second embodiment.
  • FIG. 10 is a top view schematically showing the internal structure of double door 2, which is an example of storage door 1 of refrigerator 100 according to the second embodiment.
  • the structure of the first heat pipe 72 is the same as that of the heat pipe 70 of the first embodiment described above, and a description thereof will be omitted.
  • the storage 10 may have a structure in which the heat pipe 70 is provided or a structure in which the heat pipe 70 is not provided.
  • FIG. 9 shows the external structure of the refrigerator compartment left door 2a when the refrigerator compartment 30a is closed by the double door 2.
  • the refrigerator compartment left door 2a includes a front part 1a of the refrigerator compartment left door 2a, that is, a door skin 4a constituting a design surface on the front side of the refrigerator 100, and the storage door 1.
  • a door inner plate 4b constituting the side surface portion 1b and the back surface portion 1c is provided.
  • the door outer plate 4a can be made of glass or the like
  • the door inner plate 4b can be made of plastic resin or the like.
  • the thermal conductivity of the door outer plate 4 a can be configured to be different from the thermal conductivity of the door inner plate 4 b, maintaining the aesthetic appearance of the design surface, and reducing the heat inside the refrigerator compartment 30 a. Can be configured to maintain.
  • the refrigerator compartment left door 2a can be made into the structure filled with heat insulating materials 4c, such as a vacuum heat insulating material and a urethane resin, between the door outer plate 4a and the door inner plate 4b.
  • the refrigerator compartment left door 2a is provided with the rotation partition 80 which contacts the back surface part 1c of the refrigerator compartment right door 2b, and seals the gap between the double doors 2.
  • the rotary partition 80 prevents the leakage of cold heat from the refrigerating room 30a and the inflow of warm heat into the refrigerating room 30a by sealing the gap between the double doors 2 and not the left door 2a of the refrigerating room. You may provide in the refrigerator compartment right door 2b.
  • the first heat pipe 72 is disposed between the door outer plate 4a and the door inner plate 4b.
  • the 1st terminal part 72a used as the one end side of the 1st heat pipe 72 is arrange
  • the 1st terminal part 72a of the 1st heat pipe 72 can be made to contact the front part 1a of the refrigerator compartment left door 2a.
  • the heat from external temperature is supplied through the front part 1a of the refrigerator compartment left door 2a.
  • the 2nd terminal part 72b used as the other end side of the 1st heat pipe 72 is arrange
  • the 2nd terminal part 72b of the 1st heat pipe 72 can be made to contact the side part 1b of the refrigerator compartment left door 2a.
  • the thermal conductivity of the door outer plate 4a is a part that comes into contact with the outside air. Condensation may occur.
  • the heat by external temperature can be supplied to the side part 1b of the refrigerator compartment left door 2a, and the frost formation or dew condensation of the side part 1b of the refrigerator compartment left door 2a can be thawed or vaporized.
  • the first heat pipe 72 can supply the heat generated by the outside air temperature to the front side of the storage 10 to melt or vaporize frost or condensation on the front side of the storage 10.
  • a heat insulating material 4c such as a vacuum heat insulating material or a urethane resin is provided between the door outer plate 4a and the door inner plate 4b.
  • a force due to the filling of the heat insulating material 4c is applied in the direction of the front portion 1a of the refrigerator compartment left door 2a.
  • the first end portion 72a is disposed in contact with the front portion 1a of the refrigerator compartment left door 2a.
  • the thermal resistance between the first end portion 72a and the front portion 1a of the refrigerator compartment left door 2a can be reduced. it can.
  • the force by the filling of the heat insulating material 4c is applied to the 2nd terminal part 72b in the direction of the side part 1b of the refrigerator compartment left door 2a.
  • the second end portion 72b is arranged in contact with the side surface portion 1b of the refrigerator compartment left door 2a.
  • the thermal resistance between the second end portion 72b and the side portion 1b of the refrigerator compartment left door 2a can be reduced. it can.
  • positioned in contact with the front part 1a of the refrigerator compartment left door 2a in the 1st terminal part 72a is between a 1st terminal part 72a and the front part 1a of the refrigerator compartment left door 2a, for example, a copper plate etc.
  • the state in which the second end portion 72b is disposed in contact with the side surface portion 1b of the refrigerator compartment left door 2a is, for example, a copper plate between the second end portion 72b and the side surface portion 1b of the refrigerator compartment left door 2a.
  • the refrigerator 100 includes a box 15 whose front is open, a partition wall 20 that partitions a space inside the box 15, a storage space 30 that is partitioned by the box 15 and the partition wall 20,
  • a storage door 1 that opens and closes the refrigerating room 30a, for example, a refrigerating room left door 2a of a double door 2 is provided.
  • the storage door 1 includes a door outer plate 4a that constitutes a front portion 1a of the storage door 1, and a storage door 1 It has the door inner board 4b which comprises the side part 1b, and the 1st heat pipe 72 arrange
  • the 1st terminal part 72a is arrange
  • the 2nd terminal part 72b used as the other end side of the 1st heat pipe 72 is arrange
  • the 1st terminal part 70a of the 1st heat pipe 72 is arrange
  • the 2nd terminal part 72b of the 1st heat pipe 72 is It arrange
  • the second end portion 72b of the first heat pipe 72 can be configured to be preliminarily disposed with a heater.
  • the heater is energized even when the heater is preliminarily disposed. Can be suppressed. Therefore, according to the above-described configuration, since energization of the heater for the purpose of preventing condensation can be suppressed, it is possible to provide the refrigerator 100 capable of reducing power consumption.
  • the 1st terminal part 72a of the 1st heat pipe 72 can be made to contact the front part 1a of the refrigerator compartment left door 2a.
  • the 2nd terminal part 72b of the 1st heat pipe 72 can be made to contact the side part 1b of the refrigerator compartment left door 2a.
  • the structure which provided the 1st heat pipe 72 in the refrigerator compartment left door 2a was illustrated as an example of the storage door 1 of the refrigerator 100, it is 1st to the other storage door 1 of the refrigerator 100.
  • a similar effect can be obtained even when the heat pipe 72 is provided.
  • the 1st heat pipe 72 is in any one of the refrigerator door right door 2b which is the double door 2, or the ice making room door 3a which is the drawer type door 3, the switching room door 3b, the freezer room door 3c, or the vegetable room door 3d.
  • the same effect is acquired even if the storage door 1 which opens and closes the refrigerator compartment 30a of the refrigerator 100 is a rotary type single door.
  • FIG. 11 is a perspective view schematically showing an external structure of refrigerator left door 2a, which is a part of double door 2 of refrigerator 100 according to Embodiment 3 of the present invention.
  • FIG. 12 is an enlarged schematic view showing the external structure of the refrigerator compartment left door 2a of FIG.
  • the structure of the second heat pipe 74 is the same as that of the heat pipe 70 and the first heat pipe 72 of the above-described embodiment, and thus description thereof is omitted.
  • the storage 10 may have a structure in which the heat pipe 70 is provided or a structure in which the heat pipe 70 is not provided.
  • this Embodiment 3 about the structure of the other refrigerator 100, except the structure of the double door 2 of the refrigerator 100, since it is the same as that of the above-mentioned Embodiment 1 and Embodiment 2, description is abbreviate
  • the rotary partition 80 of the double door 2 can be provided on either the refrigerator door left door 2a or the refrigerator right door 2b. In FIG.11 and FIG.12, the example which provided the rotary partition 80 in the refrigerator compartment left door 2a is shown. As described in the second embodiment, the rotary partition 80 is a sealing member that contacts the back surface portion 1c of the refrigerator door right door 2b and seals the gap between the double doors 2. The rotary partition 80 seals the gap between the double doors 2 to prevent the leakage of cold from the refrigerator compartment 30a and the inflow of warm heat into the refrigerator compartment 30a. In addition, the rotary partition 80 is filled with a heat insulating material such as a vacuum heat insulating material or urethane resin.
  • a heat insulating material such as a vacuum heat insulating material or urethane resin.
  • the rotary partition 80 is rotatably connected to the side surface portion 1b of the refrigerator compartment left door 2a by a hinge 82.
  • the hinge 82 is configured as a copper hinge having high thermal conductivity, for example.
  • the rotary partition 80 rotates in the direction of the back surface portion 1c of the refrigerator compartment left door 2a around the hinge 82.
  • the rotating partition 80 rotates in the direction of the side surface 1b of the refrigerator compartment left door 2a around the hinge 82. Then, it is inserted into the back surface part 1c of the refrigerator compartment right door 2b.
  • the rotary partition 80 can seal the gap between the double doors 2 by performing the above operation.
  • the surface located in the gap between the double doors 2 in a state where the double doors 2 are closed is referred to as a front portion 80a. Since the front part 80a of the rotary partition 80 is in direct contact with the outside air, frost or condensation occurs due to the difference between the temperature of the refrigerator compartment 30a and the outside air temperature.
  • the refrigerator compartment left door 2a has the 2nd heat pipe 74 arrange
  • the second heat pipe 74 can be brought into contact with the front portion 80 a of the rotary partition 80.
  • the second heat is obtained by filling the rotary partition 80 with a heat insulating material such as a vacuum heat insulating material or urethane resin.
  • the pipe 74 is applied with a force due to the filling of the heat insulating material in the direction of the front surface 80 a of the rotary partition 80.
  • the second heat pipe 74 is disposed in contact with the front surface 80 a of the rotary partition 80 by applying a force due to the filling of the heat insulating material.
  • the second end portion 72 b of the first heat pipe 72 and the one end portion 74 a of the second heat pipe 74 are in contact with the hinge 82.
  • the state in which the second heat pipe 74 is disposed in contact with the front portion 80a of the rotating partition 80 is, for example, a copper plate or the like between the second heat pipe 74 and the front portion 80a of the rotating partition 80. It includes a state in which a body heat conduction member is interposed.
  • the state in which the second end portion 72 b of the first heat pipe 72 and the one end portion 74 a of the second heat pipe 74 are in contact with the hinge 82 is the second end portion 72 b of the first heat pipe 72 and the second heat pipe 74.
  • a state in which a separate heat conduction member such as a copper plate is interposed between the one end portion 74a and the hinge 82 is included.
  • the storage door 1 is a rotary double door 2, and one of the double doors 2, for example, the refrigerator compartment left door 2a is the other of the double doors 2, for example, the refrigerator compartment right door 2b.
  • the rotary partition 80 that seals the gap between the double doors 2, the hinge 82 that rotatably connects the rotary partition 80 to the side surface 1 b of the door outer plate 4 a, and the interior of the rotary partition 80.
  • the second heat pipe 74 disposed on the front surface 80a side of the rotary partition 80, the second end 72b of the first heat pipe 72 and the one end 74a of the second heat pipe 74 are It is in contact with the hinge 82.
  • the heat generated by the outside air temperature supplied to the first end portion 70a of the first heat pipe 72 can be supplied to the second heat pipe 74 via the hinge 82 to vaporize condensation.
  • the second heat pipe 74 can be configured so that a heater is preliminarily disposed.
  • energization of the heater can be suppressed even when the heater is preliminarily disposed. . Therefore, according to the above-described configuration, since energization of the heater for the purpose of preventing condensation can be suppressed, it is possible to provide the refrigerator 100 capable of reducing power consumption.
  • the second heat pipe 74 can be brought into contact with the front surface 80a of the rotating partition 80. According to the above-described configuration, the thermal resistance between the second heat pipe 74 and the front portion 80a of the rotary partition 80 can be reduced.
  • the present invention is not limited to the first embodiment described above, and various modifications can be made without departing from the gist of the present invention.
  • the refrigerator 100 is not limited to the configuration shown in FIG. 1 and FIG.

Abstract

La présente invention concerne un réfrigérateur comprenant : un compartiment de stockage comportant un corps de boîte qui comprend un boîtier externe et un boîtier interne et qui est ouvert au niveau de la face avant, le compartiment de stockage comportant en outre une paroi de séparation pour diviser l'espace à l'intérieur du corps de boîte ; et un caloduc disposé dans le compartiment de stockage. Une première extrémité du caloduc, qui est une extrémité du caloduc, est disposée entre le boîtier externe et le boîtier interne à une position sur le côté de boîte externe, et une deuxième extrémité du caloduc, qui est l'autre extrémité du caloduc, est disposée dans la paroi de séparation à une position sur le côté de section de face avant de la paroi de séparation. Le réfrigérateur comprend en outre une porte de compartiment de stockage pour ouvrir et fermer un espace de stockage défini par le corps de boîte et la paroi de séparation. La porte de compartiment de stockage comporte : une plaque externe de porte qui constitue la section de face avant de la porte de compartiment de stockage ; des plaques internes de porte qui constituent les sections de face latérale de la porte de compartiment de stockage ; et un premier caloduc disposé entre la plaque externe de porte et la plaque interne de porte. La première extrémité du premier caloduc, qui est ladite extrémité du premier caloduc, est disposée sur le côté de section de face avant de la porte de compartiment de stockage, et la deuxième extrémité du premier caloduc, qui est l'autre extrémité du premier caloduc, est disposée sur le côté de section de face latérale de la porte de compartiment de stockage.
PCT/JP2016/062664 2016-04-21 2016-04-21 Réfrigérateur WO2017183159A1 (fr)

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CN201690000306.XU CN206890978U (zh) 2016-04-21 2016-04-21 冰箱
JP2018512723A JP6559335B2 (ja) 2016-04-21 2016-04-21 冷蔵庫
PCT/JP2016/062664 WO2017183159A1 (fr) 2016-04-21 2016-04-21 Réfrigérateur

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2018181439A1 (fr) * 2017-03-30 2018-10-04 パナソニックＩｐマネジメント株式会社 Réfrigérateur
WO2020093114A1 (fr) * 2018-11-07 2020-05-14 Da Gragnano Bruno Système et procédé automatique pour l'économie d'énergie selon des conditions ambiantes et d'autres paramètres techniques, à utiliser dans des systèmes à résistances pour le chauffage de vitres de présentoirs commerciaux réfrigérés ou congelés

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
JP2021025664A (ja) * 2019-07-31 2021-02-22 パナソニックＩｐマネジメント株式会社 冷蔵庫

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JPS5514470A (en) * 1978-07-19 1980-01-31 Hitachi Ltd Refrigerator
JPS5645768U (fr) * 1979-09-19 1981-04-24
JP2006313068A (ja) * 2006-08-28 2006-11-16 Hitachi Home & Life Solutions Inc 冷蔵庫
KR20070062347A (ko) * 2005-12-12 2007-06-15 주식회사 대우일렉트로닉스 김치냉장고
JP2008008552A (ja) * 2006-06-29 2008-01-17 Mitsubishi Electric Corp 冷蔵庫
JP2008039250A (ja) * 2006-08-03 2008-02-21 Matsushita Electric Ind Co Ltd 冷却ユニットと冷却ユニットを備えた貯蔵庫
KR20100022278A (ko) * 2008-08-19 2010-03-02 엘지전자 주식회사 냉장고
KR20130119282A (ko) * 2012-04-23 2013-10-31 동부대우전자 주식회사 히트파이프를 구비한 냉장고
JP2014137192A (ja) * 2013-01-17 2014-07-28 Toshiba Corp 冷蔵庫

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Publication number Priority date Publication date Assignee Title
JPS5514470A (en) * 1978-07-19 1980-01-31 Hitachi Ltd Refrigerator
JPS5645768U (fr) * 1979-09-19 1981-04-24
KR20070062347A (ko) * 2005-12-12 2007-06-15 주식회사 대우일렉트로닉스 김치냉장고
JP2008008552A (ja) * 2006-06-29 2008-01-17 Mitsubishi Electric Corp 冷蔵庫
JP2008039250A (ja) * 2006-08-03 2008-02-21 Matsushita Electric Ind Co Ltd 冷却ユニットと冷却ユニットを備えた貯蔵庫
JP2006313068A (ja) * 2006-08-28 2006-11-16 Hitachi Home & Life Solutions Inc 冷蔵庫
KR20100022278A (ko) * 2008-08-19 2010-03-02 엘지전자 주식회사 냉장고
KR20130119282A (ko) * 2012-04-23 2013-10-31 동부대우전자 주식회사 히트파이프를 구비한 냉장고
JP2014137192A (ja) * 2013-01-17 2014-07-28 Toshiba Corp 冷蔵庫

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018181439A1 (fr) * 2017-03-30 2018-10-04 パナソニックＩｐマネジメント株式会社 Réfrigérateur
WO2020093114A1 (fr) * 2018-11-07 2020-05-14 Da Gragnano Bruno Système et procédé automatique pour l'économie d'énergie selon des conditions ambiantes et d'autres paramètres techniques, à utiliser dans des systèmes à résistances pour le chauffage de vitres de présentoirs commerciaux réfrigérés ou congelés

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CN206890978U (zh) 2018-01-16
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