WO2021039446A1 - 保冷庫 - Google Patents

保冷庫 Download PDF

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Publication number
WO2021039446A1
WO2021039446A1 PCT/JP2020/030917 JP2020030917W WO2021039446A1 WO 2021039446 A1 WO2021039446 A1 WO 2021039446A1 JP 2020030917 W JP2020030917 W JP 2020030917W WO 2021039446 A1 WO2021039446 A1 WO 2021039446A1
Authority
WO
WIPO (PCT)
Prior art keywords
sliding door
cold storage
housing
closed end
recorder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/030917
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
伸幸 津久井
栄市 森
英二 土居
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PHC Corp
Original Assignee
PHC Corp
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 PHC Corp filed Critical PHC Corp
Priority to EP20855864.3A priority Critical patent/EP4000468B1/en
Priority to JP2021542751A priority patent/JP7177943B2/ja
Priority to CN202080058279.2A priority patent/CN114270120B/zh
Publication of WO2021039446A1 publication Critical patent/WO2021039446A1/ja
Priority to US17/674,159 priority patent/US12085327B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0408—Cases or cabinets of the closed type with forced air circulation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0426—Details
    • A47F3/043—Doors, covers
    • 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
    • F25D23/003—General constructional features for cooling refrigerating machinery
    • 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
    • F25D23/021—Sliding doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • 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
    • F25D2317/065—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 air return
    • F25D2317/0651—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 air return through the bottom
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/142—Collecting condense or defrost water; Removing condense or defrost water characterised by droplet guides
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0021—Details for cooling refrigerating machinery using air guides
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0026—Details for cooling refrigerating machinery characterised by the incoming air flow
    • F25D2323/00261—Details for cooling refrigerating machinery characterised by the incoming air flow through the back bottom side
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0027—Details for cooling refrigerating machinery characterised by the out-flowing air
    • F25D2323/00274—Details for cooling refrigerating machinery characterised by the out-flowing air from the front bottom
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature

Definitions

  • This disclosure relates to a cool box equipped with a sliding door.
  • the inner surface of the door that opens and closes the cold storage room is also cooled.
  • the outer surface of the door is also cooled. In this case, moisture in the outside air, that is, in the air around the outer surface of the door may condense, and dew condensation may occur on the outer surface of the door.
  • Patent Document 1 discloses a cooling storage that supplies relatively warm air from the machine room located below the storage chamber to the outer surface of the glass door in order to prevent dew condensation on the outer surface of the glass door.
  • the object of the present disclosure is to provide a cold storage in which the occurrence of dew condensation in a sliding door is suppressed.
  • the cold storage according to the present disclosure has a first sliding door that opens and closes the cold storage chamber, and a first sliding door that opens and closes the cold storage chamber and is located between the cold storage chamber and the first sliding door when the cold storage chamber is fully opened.
  • 2 sliding doors a compressor arranged at a position closer to the closed end of the second sliding door than the closed end of the first sliding door when the cold insulation chamber is fully closed, and passing around the compressor. It is provided with a fan for generating an air flow to be generated, and a housing in which the compressor is housed and a blower port for blowing the airflow toward the first sliding door and the second sliding door is formed.
  • FIG. 2 is a sectional view taken along line II-II of FIG. It is a schematic plan view which shows the arrangement of the apparatus in the machine room of the housing provided in the cold storage of this disclosure.
  • FIG. 1 is a perspective view of the cool box 1 according to the present disclosure.
  • FIG. 1 shows a state in which the outer sliding door 4 and the inner sliding door 5, which will be described later, are in the fully closed position.
  • FIG. 2 is a cross-sectional view taken along the line II-II of FIG.
  • the illustration of the condenser CD is omitted.
  • FIG. 3 is a schematic plan view showing the arrangement of equipment in the machine room MR included in the cold storage 1 of the present disclosure.
  • the cold storage 1 in the present embodiment is, for example, a chemical cold storage for storing chemicals.
  • the side facing the user during use (the side where the outer sliding door 4 and the inner sliding door 5 are located) is the front side of the cold storage 1, and the opposite side is the rear side of the cold storage 1. Further, the left side and the right side when viewed from the front side are the left side and the right side of the cool box 1.
  • the cold storage 1 includes a housing 2, a frame body 3, an outer sliding door (first sliding door) 4, and an inner sliding door (second sliding door) 5.
  • An opening H is formed on the front surface of the housing 2.
  • a heat insulating material is filled between the outer peripheral surface and the inner peripheral surface of the housing 2.
  • the space surrounded by the inner peripheral surface of the housing 2 is a cold insulation chamber R, which is a space in which an object is housed (see FIG. 2).
  • the internal space below the cold storage chamber R is the machine room MR.
  • the cold storage room R and the machine room MR are separated from each other, and the cold storage room R and the machine room MR cannot be ventilated.
  • the housing 2 and the machine room MR will be described in detail later.
  • the frame body 3 is provided in the housing 2 so as to surround the opening H.
  • the outer lane 31 and the inner lane 32 are formed in the frame body 3 (see FIG. 2).
  • the outer lane 31 is located in front of the inner lane 32.
  • the frame body 3 is formed with a guide hole 3a for guiding the dew condensation water generated in the outer sliding door 4, the inner sliding door 5, or the frame body 3 to the machine room MR (see FIG. 3).
  • the guide hole 3a is provided in the central portion of the lower frame portion of the frame body 3 when viewed from the front. The condensed water that has passed through the guide hole 3a flows into the machine room MR through the pipe TB described later.
  • the outer sliding door 4 is arranged on the outer lane 31, and the inner sliding door 5 is arranged on the inner lane 32.
  • the outer sliding door 4 opens and closes the cold insulation chamber R by moving in the left-right direction on the outer lane 31.
  • the inner sliding door 5 opens and closes the cold insulation chamber R by moving in the left-right direction on the inner lane 32.
  • the inner sliding door 5 is located between the cold insulation chamber R and the outer sliding door 4 when the cold insulation chamber R is fully opened.
  • the opening direction and the closing direction of the outer sliding door 4 correspond to the left direction and the right direction, respectively, and the opening direction and the closing direction of the inner sliding door 5 correspond to the right direction and the left direction, respectively.
  • the outer sliding door 4 and the inner sliding door 5 are doors having a glass layer.
  • 41 and 51 in FIG. 1 are a closed end of the outer sliding door 4 and a closed end of the inner sliding door 5, respectively.
  • the closed end 41 and the closed end 51 are the closing-direction ends of the sashes of the outer sliding door 4 and the inner sliding door 5, respectively.
  • the 42 and 43 in FIG. 2 are the outer surface and the inner surface of the outer sliding door 4, respectively.
  • the outer surface 42 is a surface on the outer side (front side) of the cold insulation chamber R
  • the inner surface 43 is a surface on the cold insulation chamber R side (rear side).
  • 52 and 53 in FIG. 2 are the outer surface and the inner surface of the inner sliding door 5, respectively.
  • the outer surface 52 is a surface on the outer side (front side) of the cold insulation chamber R
  • the inner surface 53 is a surface on the cold insulation chamber R side (rear side).
  • 44 and 54 in FIG. 1 are handles provided on the outer sliding door 4 and the inner sliding door 5, respectively.
  • the handle 44 and the handle 54 are touched, respectively.
  • the housing 2 includes a front panel 21, a recorder mounting portion 22, and a canopy 23.
  • the front panel 21 covers the front of the machine room MR (see FIG. 2).
  • a recorder RC which will be described later, is attached to the recorder mounting portion 22.
  • the recorder mounting portion 22 is located on the right side of the front panel 21 on the machine room MR side.
  • 4S in FIG. 3 is a normal projection on the lower surface of the housing 2 of the outer sliding door 4
  • 5S is a normal projection on the lower surface of the housing 2 of the inner sliding door 5.
  • the range indicated by the alternate long and short dash line in FIG. 3 indicates the range in which the normal projection on the lower surface of the air outlet 2a is located.
  • the recorder mounting portion 22 is inside the housing 2 and is closer to the closed end 41 of the outer sliding door 4 when fully closed than the closed end 51 of the inner sliding door 5 when fully closed. It is placed in position.
  • the eaves 23 is a component that covers the recorder RC attached to the recorder mounting portion 22 from above.
  • the eaves 23 is attached to the surface of the front panel 21 on the machine room MR side, and is located above the recorder attachment portion 22.
  • the air outlet 2a is formed in the housing 2 so as to face forward and upward from the frame body 3.
  • the air outlet 2a is a hole through which the airflow inside the machine room MR blows out toward the outer sliding door 4 and the inner sliding door 5.
  • FIG. 1 shows that the air outlet 2a is formed as one hole from the closed end 41 of the outer sliding door 4 when fully closed to the closed end 51 of the inner sliding door 5 when fully closed.
  • a plurality of holes may be formed as the air outlet 2a.
  • the housing 2 houses the compressor CP, the condenser CD, the fan F, the recorder RC, and the piping TB inside.
  • the compressor CP, the condenser CD, the fan F, the recorder RC, and the piping TB are arranged in the machine room MR.
  • the compressor CP and the condenser CD form a refrigerating circuit for cooling the inside of the cold insulation chamber R. Since the compressor CP and the condenser CD generate heat during operation, the air around the compressor CP and the condenser CD warms up.
  • the compressor CP is located closer to the left side in the machine room MR. That is, the compressor CP is arranged at a position closer to the closed end 51 of the inner sliding door 5 when fully closed than the closed end 41 of the outer sliding door 4 when fully closed.
  • the condenser CD is arranged in the central portion inside the housing 2 in the left-right direction. Like the compressor CP, the condenser CD may be arranged at a position closer to the closed end 51 of the inner sliding door 5 when fully closed than the closed end 41 of the outer sliding door 4 when fully closed.
  • the fan F takes in the air outside the cool box 1 from an intake port (not shown) formed at the rear of the housing 2, sends the taken-in air toward the condenser CD, and cools the condenser CD. To do.
  • the fan F generates not only the airflow passing around the condenser CD but also the airflow passing around the compressor CP.
  • the airflow generated by the fan F is shown in FIG.
  • the airflow generated by the fan F blows out from the air outlet 2a and heads toward the outer surface 42 of the outer sliding door 4 and the outer surface 52 of the inner sliding door 5.
  • Recorder RC is a device that records the temperature of the cold storage room R.
  • the recorder RC prints the measurement result on the recording paper and outputs it to the outside of the cold storage 1. ..
  • the recorder RC is housed in the housing 2 and is attached to the recorder mounting portion 22.
  • the recorder RC is manufactured separately from the cold storage 1, and after the cold storage 1 is manufactured, it is housed in the housing 2 from the door portion of the front panel 21. Further, the recorder RC may be attached by replacing the door portion of the front panel 21, and the upper side of the recorder RC is covered with the eaves 23.
  • the eaves 23 are located on the MR side of the machine room of the front panel 21, they may be provided above the recorder RC integrally with the recorder RC to be replaced.
  • the eaves 23 has a shape that guides the airflow generated by the fan F toward the air outlet 2a.
  • a second flat plate portion extending downward from the end on the side far from the front panel 21 and in a direction away from the front panel 21, and further extending from the left end to the right end of the first flat plate portion.
  • the shape may have a wall portion that protrudes upward from the end portion and extends from the left side end to the right side end of the first flat plate portion.
  • the eaves 23 covers the portion of the recorder mounting portion 22 and the recorder RC on the front panel 21 side, but covers the entire upper range of the recorder mounting portion 22 and the recorder RC. May be good.
  • the piping TB is located from the lower part of the frame 3 to the front of the condenser CD.
  • the pipe TB guides the condensed water that has passed through the guide hole 3a of the frame body 3 to the vicinity of the condenser CD.
  • Condensation water induced in the vicinity of the condenser CD flows into a saucer (not shown).
  • the condensed water that has flowed into the saucer evaporates due to the heat generated by the condenser CD.
  • relatively warm air inside the machine room MR is supplied to the outer surface 42 of the outer sliding door 4 and the outer surface 52 of the inner sliding door 5 through the air outlet 2a, so that dew condensation occurs on the outer surface 42 and the outer surface 52. Can be suppressed.
  • the compressor CP which is a heat source, is inside the machine room MR of the housing 2, and the closed end of the inner sliding door 5 when fully closed is more than the closed end 41 of the outer sliding door 4 when fully closed. It is arranged at a position close to 51. Therefore, warmer air is more likely to be supplied to the inner sliding door 5 than the air supplied to the outer sliding door 4. Therefore, the effect of preventing dew condensation on the inner sliding door 5 provided at a position farther from the air outlet 2a than the outer sliding door 4 can be enhanced.
  • the recorder RC which does not serve as a heat source, is arranged inside the machine room MR of the housing 2 at a position closer to the closed end 41 of the outer sliding door 4 when fully closed than the closed end 51 of the inner sliding door 5 when fully closed. ing. Therefore, the progress of air passing around the compressor CP and toward the inner sliding door 5 is less likely to be hindered. That is, the air warmed by the compressor CP is smoothly supplied to the outer surface 52 of the inner sliding door 5 through the air outlet 2a. Therefore, it is possible to suppress the occurrence of dew condensation on the outer surface 52 of the inner sliding door 5.
  • a canopy 23 that covers the upper part of the recorder mounting portion 22 is provided above the recorder mounting portion 22. Therefore, even if foreign matter such as dew condensation water falls on the machine room MR through the air outlet 2a facing upward, the recorder RC and the recording paper attached to the recorder mounting portion 22 can be protected.
  • the eaves 23 covers the recorder mounting portion 22 and the portion of the recorder RC on the front panel 21 side, in addition to the above-mentioned first flat plate portion, the eaves 23 is connected to the front panel 21 in the first flat plate portion.
  • the eaves 23 has a shape that guides the airflow generated by the fan F toward the air outlet 2a. Therefore, inside the machine room MR of the housing 2, the air supplied from the region near the closed end 41 of the outer sliding door 4 when fully closed passes through the air outlet 2a and is supplied toward the outer surface 42 of the outer sliding door 4. Progress is not hindered. Therefore, the effect of preventing the occurrence of dew condensation on the outer surface 42 of the outer sliding door 4 can be further enhanced.
  • the guide hole 3a is formed in the frame body 3, the condensed water on the outer surface 42 of the frame body 3, the outer sliding door 4 and the outer surface 52 of the inner sliding door 5 is guided into the machine room MR of the housing 2 and evaporated. Can be made to.
  • the housing 2 It may be provided anywhere inside the. Further, it does not necessarily have to be provided inside the machine room MR of the housing 2, and may be provided, for example, on the rear surface outside the housing 2, that is, on the intake port.
  • the machine room MR does not necessarily have to be located below the cold storage chamber R, and may be located above the cold storage chamber R, for example.
  • the air outlet 2a is formed downward, and the airflow inside the machine room MR of the housing 2 blows downward from the air outlet 2a toward the outer sliding door 4 and the outer sliding door 4.
  • the cool box 1 may be provided with three or more sliding doors.
  • the sliding door located closest to the cold insulation chamber R side when fully opened is the innermost sliding door
  • the sliding door located farthest from the cold insulation chamber R when fully opened is the outermost sliding door
  • the closed end of the outermost sliding door when fully closed is the closed end of the outermost sliding door when fully closed.
  • the compressor CP is arranged so as to be closer to the closed end of the innermost sliding door when fully closed.
  • the cold storage according to the present disclosure is suitable for a cold storage having a plurality of sliding doors. Therefore, its industrial applicability is enormous.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
PCT/JP2020/030917 2019-08-28 2020-08-14 保冷庫 Ceased WO2021039446A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20855864.3A EP4000468B1 (en) 2019-08-28 2020-08-14 Cold storage
JP2021542751A JP7177943B2 (ja) 2019-08-28 2020-08-14 保冷庫
CN202080058279.2A CN114270120B (zh) 2019-08-28 2020-08-14 保冷箱
US17/674,159 US12085327B2 (en) 2019-08-28 2022-02-17 Cold storage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-155915 2019-08-28
JP2019155915 2019-08-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/674,159 Continuation US12085327B2 (en) 2019-08-28 2022-02-17 Cold storage

Publications (1)

Publication Number Publication Date
WO2021039446A1 true WO2021039446A1 (ja) 2021-03-04

Family

ID=74684566

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/030917 Ceased WO2021039446A1 (ja) 2019-08-28 2020-08-14 保冷庫

Country Status (5)

Country Link
US (1) US12085327B2 (https=)
EP (1) EP4000468B1 (https=)
JP (1) JP7177943B2 (https=)
CN (1) CN114270120B (https=)
WO (1) WO2021039446A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022196170A1 (ja) * 2021-03-17 2022-09-22 Ｐｈｃホールディングス株式会社 保冷庫

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02277411A (ja) * 1989-04-19 1990-11-14 Sanyo Electric Co Ltd ショーケース
US4977754A (en) * 1990-05-01 1990-12-18 Specialty Equipment Companies, Inc. Next-to-be-purchased cold beverage merchandiser
JPH09101075A (ja) * 1995-10-02 1997-04-15 Sanyo Electric Co Ltd 冷却貯蔵庫
JPH09236374A (ja) * 1996-02-29 1997-09-09 Sanyo Electric Co Ltd ショーケース
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