WO2016006490A1 - Cooling box - Google Patents

Cooling box Download PDF

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Publication number
WO2016006490A1
WO2016006490A1 PCT/JP2015/068716 JP2015068716W WO2016006490A1 WO 2016006490 A1 WO2016006490 A1 WO 2016006490A1 JP 2015068716 W JP2015068716 W JP 2015068716W WO 2016006490 A1 WO2016006490 A1 WO 2016006490A1
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WO
WIPO (PCT)
Prior art keywords
storage chamber
cool
storage
cold
holding member
Prior art date
Application number
PCT/JP2015/068716
Other languages
French (fr)
Japanese (ja)
Inventor
敏行 白水
瑞穂 齋藤
卓哉 片桐
宮田　昭雄
Original Assignee
シャープ株式会社
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.)
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Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to CN201580006934.9A priority Critical patent/CN105960568B/en
Publication of WO2016006490A1 publication Critical patent/WO2016006490A1/en

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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
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • 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
    • F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery

Definitions

  • This invention relates to the cool box provided with the cool storage body which enclosed the cool storage agent.
  • Patent Document 1 A conventional cold storage provided with a cold storage body is disclosed in Patent Document 1.
  • This cool box includes a main body having a heat insulating box that forms a storage chamber having an open top surface, and a door that opens and closes the top surface of the storage chamber.
  • the heat insulating box is formed by filling a foam heat insulating material between the inner box and the outer box, and the side wall and the bottom wall of the storage chamber are formed by the heat insulating wall.
  • a cooling pipe connected to the compressor is embedded in the heat insulating wall, and the cooling pipe is arranged in contact with the inner box forming the inner surface of the storage chamber.
  • a plurality of cool storage bodies are installed on the side walls of the storage room by means of mounting members.
  • a liquid cool storage agent is enclosed in a flat cool storage container having a substantially rectangular shape in plan view.
  • the mounting member extends in the horizontal direction and has an L-shaped cross section, and a pair of mounting members are juxtaposed in the vertical direction on the side wall of the storage chamber and screwed.
  • the upper and lower ends of the cold storage body are locked by the attachment member, and the cold storage body is positioned in the vertical direction.
  • a support member that supports the side surface of the regenerator that is adjacent in the horizontal direction is attached on the attachment member, and the regenerator is positioned in the horizontal direction by the support member.
  • the regenerator of the regenerator is frozen and stored. Thereby, the inside of a store room is cooled by the cold heat discharged
  • the cold storage body is supported by a mounting member screwed to the side wall of the storage chamber, it is necessary to increase the strength of the inner box that forms the inner surface of the storage chamber. For this reason, when the thickness of the inner box is increased, the heat transfer efficiency of the cold heat from the cooling pipe disposed on the outer surface of the inner box to the cold storage body is lowered, and the freezing time of the cold storage agent is lengthened. Thereby, there also existed a problem which the power consumption of a cold storage became large.
  • the present invention has an object to provide a cool box capable of improving convenience and reducing costs and saving power.
  • the present invention provides a main body having a storage chamber having an upper surface opened and surrounded by a heat insulating wall, a door for opening and closing the upper surface of the storage chamber, and a side wall of the storage chamber. Then, in the cool box provided with a cooling unit that cools the storage chamber, a cool storage body that encloses a cool storage agent frozen by cooling of the cooling unit, and a holding member that holds the cool storage body, the holding member is the The frame portion of the one holding member disposed in the storage chamber, having an annular frame portion that fits into the storage chamber, and a support portion that is erected on the inner peripheral side of the outer peripheral end of the frame portion The frame portion of the other holding member is placed on the upper surface of the cold storage body placed thereon, and the cold storage body is held between a side wall of the storage chamber and the support portion. .
  • the holding member is restricted from moving in the horizontal direction because the annular frame is fitted into the storage chamber.
  • the cold storage body is sandwiched between the lower holding member and the upper holding member, and is arranged on the outer peripheral side of the support portion along the side wall of the storage chamber.
  • the support portion may be formed in an annular shape that is closed in the circumferential direction, or may be divided in the circumferential direction.
  • the present invention provides the cool storage having the above-described configuration, wherein a plurality of the regenerators are installed in the vertical direction via the holding members, and the holding member disposed between the regenerators adjacent vertically is an upper surface of the frame portion. And the said support part is standingly arranged by the lower surface, It is characterized by the above-mentioned.
  • the support portion biases the cool storage body toward a side wall of the storage chamber.
  • an elastic seal member is provided on the outer peripheral surface of the support portion.
  • the holding member is formed of a shape memory alloy, and the support member is deformed when the temperature becomes lower than a predetermined temperature to press the cool storage body toward the side wall of the storage chamber. It is characterized by doing.
  • an engagement portion that engages with the outer surface of the support portion and the cold storage body is provided.
  • the present invention has a drainage hole on the bottom surface of the storage chamber, and the holding member disposed on the bottom surface of the storage chamber has an opening facing the drainage hole. It is a feature.
  • the holding member has an annular frame portion that fits into the storage chamber, and a support portion that is erected on the inner peripheral side with respect to the outer peripheral end of the frame portion.
  • the frame part of another holding member is mounted on the upper surface of the cool storage body placed on the cool storage body, and the cool storage body is held between the side wall of the storage chamber and the support part. For this reason, while being able to attach a holding member easily without screwing, an upper holding member can be taken out and a cool storage body can be attached or detached easily.
  • the holding member is not screwed, it is not necessary to form the inner surface of the side wall of the storage chamber with high strength, and the heat transfer efficiency of the cold heat from the cooling unit arranged in the side wall to the cold storage body can be improved. Therefore, the convenience of the cool box can be improved and cost reduction and power saving can be achieved.
  • the front view which shows the cool box of 1st Embodiment of this invention The side view which shows the cool box of 1st Embodiment of this invention.
  • the top view which shows the cool box of 1st Embodiment of this invention Top surface sectional drawing which shows the main-body part of the cool box of 1st Embodiment of this invention.
  • the rear view which shows the cool storage body of the cool box of 1st Embodiment of this invention The top view which shows the cool storage body of the cool box of 1st Embodiment of this invention.
  • the disassembled perspective view which shows the cool storage body and holding member of the cool box of 3rd Embodiment of this invention.
  • the top view which shows the holding member of the cool box of 4th Embodiment of this invention.
  • Front sectional drawing which shows the principal part of the holding member of the cool box of 4th Embodiment of this invention.
  • Front sectional drawing which shows the principal part of the holding member of the cool box of 5th Embodiment of this invention.
  • FIG.1, FIG.2, FIG.3 is the front view, side view, and top view which show 1st Embodiment cold storage.
  • the cool box 1 includes a main body 2 having a storage chamber 20 having an upper surface opened, and an open / close door 3 (door) that pivots on the back side of the main body 2 to open and close the upper surface.
  • the open / close door 3 is opened and closed by gripping a handle 3a provided at the front end.
  • a machine room 10 is provided at one end of the main body 2.
  • the machine room 10 has an opening (not shown) on the back surface and one side surface, and the opening is closed by the panel 11 having the air holes 11a.
  • a display panel 12 is provided on the front surface of the machine room 10.
  • the display panel 12 is provided with a lamp or the like for confirming the energized state of the cool box 1 and the temperature in the cool box 1. Further, an external power supply terminal for supplying electricity to an external device using a part of the power supplied to the cool box 1 may be arranged on the display panel 12. As the external power supply terminal, for example, a general-purpose terminal such as a USB terminal or an automobile cigar jack can be used to supply power to a low-power device such as a mobile phone. In addition, the display panel 12 may be provided with an operation unit such as a temperature adjustment knob in the cool box 1.
  • the main body 2 has a heat insulating box 24 filled with a foam heat insulating material 23 between the outer box 21 and the inner box 22, and a storage chamber 20 surrounded by a heat insulating wall is formed by the heat insulating box 24.
  • a compressor 13 that operates a refrigeration cycle is installed in the machine room 10 provided on the side of the heat insulation box 24.
  • a cooling unit 25 composed of a refrigerant pipe connected to the compressor 13 is embedded in the four side walls 20 a filled with the foam heat insulating material 23 of the storage chamber 20. When the compressor 13 is driven, the inside of the storage chamber 20 is cooled by the cooling unit 25 disposed in the low temperature part of the refrigeration cycle.
  • a plurality of cold storage bodies 30 held by holding members 41 and 42 are laid on the inner surface of the storage chamber 20 formed by the inner box 22.
  • the cold storage body 30 performs cold storage by freezing the cold storage agent 31 (see FIG. 9) enclosed in the cold storage container 32 (see FIG. 6).
  • three cool storage bodies 30 are arranged in parallel in the left-right direction on the front and rear inner surfaces of the storage chamber 20, and two cool storage bodies 30 are arranged in the front-rear direction on the left and right inner surfaces.
  • FIG. 6 shows a front view, a rear view, and a top view of the regenerator 30.
  • FIG. 9 shows a side sectional view of the regenerator 30.
  • the cool storage body 30 encloses a liquid cool storage agent 31 in a cool storage container 32 of a resin molded product, stores the cold by freezing the cool storage agent 31, and keeps the inside of the storage chamber 20 (see FIG. 4) cold.
  • the cold storage container 32 has a substantially rectangular planar shape, and the vertical direction is longer than the horizontal direction. Moreover, the cool storage container 32 is formed in the flat shape thin in the thickness direction.
  • the cool storage body 30 is disposed so that the back surface 32b of the cool storage container 32 is in contact with the inner surface of the storage chamber 20 (see FIG. 4).
  • the flat cold storage container 32 can ensure a large internal volume of the storage chamber 20 and can also enhance the cold insulation performance by covering the inner wall of the storage chamber 20 with the cold storage body 30.
  • An inlet 37 for the cold storage agent 31 is provided on the upper surface 32 c of the cold storage container 32.
  • the inlet 37 is sealed after the cold storage agent 31 is injected. Since the cool storage agent 31 expands during freezing, a space is provided between the liquid surface H of the cool storage agent 31 and the upper surface 32 c of the cool storage container 32.
  • a large number of quadrangular pyramid-shaped recesses 34 are provided on the front surface 32 a of the cold storage container 32.
  • the surface area of the front surface 32a of the cold storage container 32 is increased by the concave portion 34, and heat exchange between the cold storage body 30 and the air in the storage chamber 20 can be promoted to improve the cold insulation performance.
  • the back surface 32b of the cold storage container 32 has a substantially flat shape without forming the recess 34. Therefore, the substantially planar back surface 32b is disposed in close contact with the side wall 20a (see FIG. 5) of the storage chamber 20, and the cold heat of the cooling unit 25 can be efficiently transmitted to the cold storage body 30.
  • the cold storage container 32 is provided with fixing portions 35 and 36 for fixing the front surface 32a and the back surface 32b facing each other in the thickness direction.
  • the adhering portion 35 is provided in the central portion of the cold storage container 32 in the vertical direction and the horizontal direction.
  • a plurality (five in each embodiment) of the fixing portions 36 are provided between the upper surface 32 c and the fixing portion 35 and between the lower surface 32 d and the fixing portion 35 of the cold storage container 32. The deformation of the cold storage container 32 when the cold storage agent 31 freezes is suppressed by the fixing portions 35 and 36.
  • FIG. 10 is an exploded perspective view of the regenerator 30 and the holding members 41 and 42 arranged inside the storage chamber 20.
  • the holding members 41 and 42 are formed in the same shape by a resin molded product or metal, and are arranged in the up-down direction.
  • the holding members 41 and 42 have a frame portion 45 and a support portion 46.
  • the frame portion 45 is formed in an annular shape and is fitted to the inner surface of the storage chamber 20 (see FIG. 5).
  • the support part 46 is erected on the inner peripheral side of the outer peripheral end of the frame part 45 and is formed in an annular shape closed in the circumferential direction.
  • the support portion 46 of the holding member 41 arranged below protrudes from the upper surface of the frame portion 45
  • the support portion 46 of the holding member 42 arranged above protrudes from the lower surface of the frame portion 45.
  • a holding member 41 is fitted and installed on the bottom surface of the storage chamber 20 with the support portion 46 facing upward.
  • the plurality of regenerators 30 are placed on the frame portion 45 of the holding member 41 and arranged on the outer peripheral side of the support portion 46.
  • the frame portion 45 of the holding member 42 is fitted and placed in the storage chamber 20 with the support portion 46 facing downward, and the cool storage body 30 is arranged on the outer peripheral side of the support portion 46 of the holding member 42. Is done.
  • the holding members 41 and 42 are restricted from moving in a horizontal plane. Thereby, the cool storage body 30 is hold
  • the holding members 41 and 42 can be easily attached without screwing. Further, the upper holding member 42 can be taken out, the cold storage body 30 can be attached and detached, and the cold storage body 30 can be cleaned or replaced. Further, since the holding members 41 and 42 are not screwed, it is not necessary to form the inner box 22 with high strength, and the thickness of the inner box 22 may be reduced. Thereby, the heat-transfer efficiency of the cold heat from the cooling part 25 distribute
  • the thickness of the inner box 22 can be reduced, an increase in weight and cost can be suppressed even when a heat conductive metal (aluminum, stainless steel, etc.) is used. For this reason, it can be set as the cold storage 1 excellent in not only cooling efficiency but reliability and cost power.
  • the inner box 22 does not need a screw receiving structure for screwing the holding members 41 and 42. For this reason, the freedom degree of arrangement
  • a gap is provided between the regenerators 30 adjacent in the horizontal direction, and ribs that fit into the gap may protrude from the frame part 45 or the support part 46. Moreover, you may arrange
  • FIG. 11 is a top view showing the main part in a state where the lower holding member 41 is arranged in the storage chamber 20.
  • a drain hole 20 b for draining condensed water or the like is provided at the right rear corner of the bottom surface of the storage chamber 20.
  • the holding member 41 is provided with an opening 47 facing the drain hole 20b.
  • the opening 47 is formed by opening the inner peripheral side of the holding member 41.
  • the opening 47 prevents the drain hole 20b from being blocked, and condensed water or the like generated on the bottom surface of the storage chamber 20 or the side wall 20a is guided to the drain hole 20b through the opening 47.
  • the opening 47 may be formed by opening the outer peripheral side of the holding member 41, or may be formed by a through hole having a closed periphery on the frame 45.
  • the cool box 1 having the above-described configuration, when the compressor 13 is driven, the inside of the storage chamber 20 is cooled by the cooling unit 25, and the cool storage agent 31 of the cool storage body 30 is frozen and stored cold. Thereby, the inside of the storage chamber 20 is cooled by the cold heat discharged from the cold storage body 30, and power saving of the cool box 1 can be achieved. In addition, when the power supply to the cool box 1 is stopped, the cold storage can be released from the cool storage body 30 to keep the inside of the storage room 20 cool.
  • the holding members 41, 42 have the annular frame portion 45 that fits in the storage chamber 20, and the support portion 46 that is erected on the inner peripheral side of the outer peripheral end of the frame portion 45.
  • the frame part 45 of the holding member 42 is mounted on the upper surface of the cool storage body 30 mounted on the frame part 45 of the holding member 41, and the cool storage body 30 is located between the side wall 20 a of the storage chamber 20 and the support part 46. Retained.
  • the holding members 41 and 42 can be easily attached without screwing, and the upper storage member 42 can be taken out and the regenerator 30 can be easily attached and detached.
  • the holding members 41 and 42 are not screwed, it is not necessary to form the inner surface (inner box 22) of the side wall 20a of the storage chamber 20 with high strength, and the cooling unit 25 disposed in the side wall 20a is connected to the regenerator 30.
  • the heat transfer efficiency of cold heat can be improved. Therefore, the convenience of the cool box 1 can be improved, and cost reduction and power saving can be achieved.
  • the storage chamber 20 has a drain hole 20b on the bottom surface, and the holding member 41 disposed on the bottom surface of the storage chamber 20 has an opening 47 facing the drain hole 20b. Thereby, blockage of the drain hole 20b can be prevented, and condensed water or the like in the storage chamber 20 can be easily guided to the drain hole 20b through the opening 47 and drained.
  • FIG. 12 has shown front sectional drawing of the main-body part 2 of the cool box 1 of 2nd Embodiment.
  • the regenerators 30 are installed in two upper and lower stages in the storage chamber 20, and a holding member 43 is provided between the upper and lower regenerators 30.
  • Other parts are the same as those in the first embodiment.
  • the machine room 10 is provided at the lower part of one side end of the main body 2, and the storage room 20 is provided in communication with the side and upper side of the machine room 10.
  • the storage room 20 is provided in communication with the side and upper side of the machine room 10.
  • three cool storage bodies 30 are juxtaposed in the left-right direction on the front and rear inner surfaces, and two cool storage bodies 30 are juxtaposed in the front-rear direction on the left inner surface.
  • the side wall 20a adjacent to the machine room 10 of the storage room 20 is not provided with the cooling unit 25, and thus the cool storage body 30 on the inner surface on the right side of the storage room 20 is omitted.
  • cool storage bodies 30 are arranged in parallel in the left-right direction on the front and rear inner surfaces, and two cool storage bodies 30 are arranged in the front-rear direction on the left and right inner surfaces. It is installed side by side.
  • FIG. 13 shows an exploded perspective view of the regenerator 30 and the holding members 41, 42, 43 arranged inside the storage chamber 20.
  • the illustration of the cool storage body 30 on the front side is omitted.
  • the holding member 41 disposed on the bottom surface of the storage chamber 20 is formed in the same manner as in the first embodiment, and the support portion 46 on the machine chamber 10 side is erected on the outer peripheral edge of the frame portion 45. Since the cool storage body 30 is not installed facing the machine room 10, the support part 46 on the machine room 10 side of the holding member 41 is arranged along the side wall 20 a so that unnecessary protrusions are not formed in the storage room 20. ing. Thereby, the convenience of the cool box 1 can be improved.
  • the support part 46 by the side of the machine room 10 of the holding member 41 may be removed, and the support part 46 having a U-shape in top view may be formed on the frame part 45.
  • the cooling unit 25 can be provided on the side wall 20 a adjacent to the machine room 10 of the storage chamber 20, the cool storage body 30 may be disposed on the inner surface on the right side of the storage chamber 20.
  • the holding member 41 has the same shape as that of the first embodiment.
  • the holding member 42 disposed on the upper side has the same shape as the first embodiment and is longer in the left-right direction than the first embodiment, and the support portion 46 is erected on the lower surface of the frame portion 45.
  • the holding member 43 arranged between the regenerators 30 adjacent in the vertical direction is provided with support portions 46 on the upper surface and the lower surface of the annular frame portion 45 fitted in the storage chamber 20.
  • the support portion 46 of the holding member 43 is provided on the inner peripheral side with respect to the outer peripheral end of the frame portion 45 similarly to the holding members 41 and 42.
  • the holding member 41 On the bottom surface of the storage chamber 20, the holding member 41 is fitted and installed in the storage chamber 20 with the support portion 46 facing upward.
  • the plurality of lower-stage regenerators 30 are placed on the frame portion 45 of the holding member 41 and arranged on the outer peripheral side of the support portion 46.
  • the frame portion 45 of the holding member 43 is fitted and placed in the storage chamber 20 on the lower cold storage body 30, and the cold storage body 30 is arranged on the outer peripheral side of the support portion 46 on the lower surface of the holding member 43.
  • the plurality of upper regenerators 30 are placed on the frame 45 of the holding member 43 and arranged on the outer peripheral side of the upper support 46.
  • a frame portion 45 of the holding member 42 is placed in the storage chamber 20 with the support portion 46 facing downward on the upper cool storage body 30, and the cool storage body 30 is on the outer peripheral side of the support portion 46 of the holding member 42. Arranged.
  • the holding members 41, 42, and 43 are restricted from moving in the horizontal plane. Thereby, the cool storage body 30 is hold
  • the same effect as that of the first embodiment can be obtained.
  • the holding member 43 disposed between the upper and lower adjacent regenerators 30 is provided with the support portions 46 standing on the upper surface and the lower surface of the frame portion 45, it is possible to easily install a plurality of stages of the regenerators 30 vertically. Can do.
  • FIG. 14 has shown front sectional drawing of the main-body part 2 of the cool box 1 of 3rd Embodiment.
  • FIG. 15 is an exploded perspective view of the regenerator 30 and the holding members 41, 42, 43 arranged inside the storage chamber 20.
  • the same reference numerals are given to the same parts as those in the second embodiment shown in FIGS.
  • the holding member 43 disposed between the upper and lower regenerators 30 is divided into a holding member 43a and a holding member 43b.
  • Other parts are the same as those of the second embodiment.
  • illustration of the cool storage body 30 on the front side is omitted.
  • the holding member 43a and the holding member 43b are formed in the same shape as the holding member 42, and are arranged upside down. As with the holding member 42, the holding member 43 a placed on the lower regenerator 30 is provided with a support portion 46 on the lower surface of the frame portion 45.
  • the holding member 43b has a support portion 46 standing on the upper surface of the frame portion 45, and is placed on the holding member 43a.
  • the same effect as that of the second embodiment can be obtained. Moreover, since the holding member 43a and the holding member 43b are formed in the same shape as the holding member 42, it is possible to reduce the manufacturing cost of the cool box 1 by using common parts.
  • FIG. 16 has shown the top view of the holding member 41 of the cool box 1 of 4th Embodiment.
  • the same reference numerals are given to the same parts as those in the first embodiment shown in FIGS.
  • This embodiment differs in the shape of the holding members 41 and 42 (refer FIG. 10) with respect to 1st Embodiment. Other parts are the same as those in the first embodiment.
  • the holding members 41 and 42 are formed in the same shape, and are arranged upside down.
  • the holding member 41 is provided with a protrusion 45 a that protrudes outward around the annular frame 45.
  • the protrusion 45 a comes into contact with the inner surface of the storage chamber 20 (see FIG. 4), and the frame portion 45 fits into the storage chamber 20.
  • a plurality of support portions 46 are erected on the inner peripheral side with respect to the outer peripheral end of the protruding portion 45 a, and a plurality of support portions 46 are provided in the circumferential direction corresponding to the respective cold storage bodies 30. Thereby, the support part 46 can be easily elastically deformed in the tilting direction.
  • FIG. 17 shows an enlarged front sectional view of a main part passing over the support part 46 of the holding member 41.
  • An engaging claw 46 a that protrudes outward is provided at the open end of the support portion 46.
  • An engagement groove 38 that engages with the engagement claw 46 a is recessed in the front surface 32 a of the cold storage container 32 of the cold storage body 30.
  • the engagement groove 38 is formed in a shape whose periphery is closed when the front surface 32a of the cold storage container 32 is viewed from the front.
  • the engaging claw 46a and the engaging groove 38 constitute an engaging portion that engages with each other.
  • the regenerator 30 installed on the frame 45 is urged in the direction of the side wall 20a (see FIG. 5) of the storage chamber 20 by the elastic deformation of the support 46, and the engagement claw 46a and the engagement groove 38 are engaged. Held. Thereby, drop-off of the cool storage body 30 can be prevented reliably. Moreover, the back surface 32b of the cold storage container 32 can be brought into close contact with the side wall 20a of the storage chamber 20 (see FIG. 5). Therefore, the cold heat of the cooling unit 25 (see FIG. 5) can be efficiently transmitted to the cold storage body 30.
  • the same effect as that of the first embodiment can be obtained. Moreover, since the support part 46 urges the cool storage body 30 in the direction of the side wall 20a of the storage chamber 20, it is possible to reliably prevent the cool storage body 30 from falling off and to efficiently transmit the cold heat of the cooling part 25 to the cool storage body 30. Can do.
  • the engaging claw 46a may be omitted, the support portion 46 may be formed so that the tip thereof is inclined toward the outer peripheral side, and the cold accumulator 30 may be urged by elastic deformation, or the engaging groove 38 may be omitted.
  • the holding members 41 and 42 can be reduced in weight.
  • the support part 46 since the support part 46 was divided
  • the support portion 46 may be divided in the circumferential direction, and one or both of the protrusion 45a and the engaging claw 46 may be omitted. Further, the support portion 46 may be formed in an annular shape that is closed in the circumferential direction, and one or both of the protruding portion 45a and the engaging claw 46 may be provided.
  • the holding members 41, 42, and 43 of the cool box 1 of the second and third embodiments may be provided with the protrusion 45a on the frame portion 45, and the support portion 46 is divided in the circumferential direction. May be. Further, the holding members 41, 42, 43 and the cold storage body 30 of the cool box 1 of the second and third embodiments may also be provided with the engaging claws 46a and the engaging grooves 38 as in the present embodiment.
  • FIG. 18 has shown front sectional drawing to which the principal part passing on the support part 46 of the holding member 41 of the cool box 1 of 5th Embodiment was expanded.
  • a seal member 48 is provided on the holding members 41 and 42 (see FIG. 10). Other parts are the same as those in the first embodiment.
  • the seal member 48 is formed of an elastic body such as synthetic rubber or soft resin, and is fixed on the outer peripheral surface of the support portion 46 of the holding member 41 and the holding member 42 (see FIG. 10).
  • the cool storage body 30 installed on the frame 45 is biased in the direction of the side wall 20a (see FIG. 5) of the storage chamber 20 by elastic deformation of the seal member 48 on the support 46. Thereby, drop-off of the cool storage body 30 can be prevented reliably. Moreover, the back surface 32b of the cold storage container 32 can be brought into close contact with the side wall 20a of the storage chamber 20 (see FIG. 5). Therefore, the cold heat of the cooling unit 25 (see FIG. 5) can be efficiently transmitted to the cold storage body 30.
  • the same effect as that of the first embodiment can be obtained. Moreover, since the support part 46 urges
  • the seal member 48 may be made of a material that can be elastically deformed at room temperature or the like, but whose elastic force is reduced at a low temperature such as the solidification temperature of the cold storage agent 31 or lower. By setting it as such a material, when the inside of the storage chamber 20 becomes high temperature at the time of replacement
  • the support portion 46 may be divided in the circumferential direction as in the fourth embodiment. Moreover, you may provide the sealing member 48 similar to this embodiment in the holding members 41, 42, and 43 of the cool box of 2nd, 3rd embodiment.
  • the holding members 41 and 42 are made of, for example, a shape memory alloy such as a NiTi alloy having a transformation temperature of 0 ° C. or lower.
  • the support part 46 is erected in the vertical direction with respect to the frame part 45 at a temperature higher than the transformation temperature, and is separated from the regenerator 30. Further, when the support portion 46 becomes lower than the transformation temperature, it is plastically deformed and bent so as to press the cold storage body 30.
  • the cool storage body 30 (see FIG. 5) is moved in the direction of the side wall 20a (see FIG. 5) of the storage chamber 20 by plastic deformation of the support portion 46. Press.
  • the support portion 46 is elastically deformed with respect to the frame portion 45 by the pressing of the cold storage body 30, the cold storage body 30 is urged by elasticity.
  • drop-off of the cool storage body 30 can be prevented reliably.
  • the back surface 32b of the cold storage container 32 can be brought into close contact with the side wall 20a of the storage chamber 20 (see FIG. 5). Therefore, the cold heat of the cooling unit 25 (see FIG. 5) can be efficiently transmitted to the cold storage body 30.
  • the support portion 46 is separated from the cold storage body 30. Thereby, the cool storage body 30 can be attached or detached easily.
  • the same effect as that of the first embodiment can be obtained.
  • the support part 46 of the holding members 41 and 42 formed of a shape memory alloy becomes a temperature lower than a predetermined temperature, it deforms and urges the regenerator 30 toward the side wall 20a of the storage chamber 20. For this reason, it is possible to reliably prevent the cool storage body 30 from falling off, and to efficiently transmit the cold heat of the cooling unit 25 to the cool storage body 30.
  • the holding members 41 and 42 that urge the regenerator 30 during cooling by the cooling unit 25 can be easily realized by the shape memory alloy.
  • the cooling unit 25 is formed by the refrigerant pipe connected to the compressor 13, but the cooling unit 25 may be formed by another device such as a Peltier element that cools the storage chamber 20. Good.
  • the present invention can be used in a cold storage room provided with a cold storage body in which a cold storage agent is enclosed.

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

A cooling box (1) comprises a main body unit (2) that has a storage chamber (20) the top surface of which is open and which is surrounded by thermal insulation walls, a door (3) that opens and closes the top surface of the storage chamber (20), a cooling unit (25) that is disposed in a side wall (20a) of the storage chamber (20) and that cools the storage chamber (20), a cold storing bodies (30) that have sealed therein a cold storing agent (31) that freezes due to cooling by the cooling unit (25), and retaining members (41, 42) that retain the cold storing bodies (30), wherein: the retaining members (41, 42) have a ring-shaped frame (45) that engages with the storage chamber (20), and have a support part (46) that is provided upright further towards the inner circumferential side than the outer circumferential edge of the frame (45); the cold storing bodies (30) are mounted on the frame (45) of one retaining member (41) that is disposed in the storage chamber (20), and the frame (45) of the other retaining member (42) is mounted on the top surface of the cold storing bodies (30); and the cold storing bodies (30) are retained between the side wall (20a) of the storage chamber (20) and the support part (46).

Description

保冷庫Cold storage
　本発明は、蓄冷剤を封入した蓄冷体を備えた保冷庫に関する。 This invention relates to the cool box provided with the cool storage body which enclosed the cool storage agent.
　蓄冷体を備えた従来の保冷庫は特許文献１に開示されている。この保冷庫は上面を開口した貯蔵室を形成する断熱箱体を有した本体部と、貯蔵室の上面を開閉する扉とを備えている。断熱箱体は内箱と外箱との間に発泡断熱材を充填して形成され、貯蔵室の側壁及び底壁が断熱壁により形成される。断熱壁内には圧縮機に接続される冷却パイプが埋設され、貯蔵室の内面を形成する内箱に接して冷却パイプが配される。 A conventional cold storage provided with a cold storage body is disclosed in Patent Document 1. This cool box includes a main body having a heat insulating box that forms a storage chamber having an open top surface, and a door that opens and closes the top surface of the storage chamber. The heat insulating box is formed by filling a foam heat insulating material between the inner box and the outer box, and the side wall and the bottom wall of the storage chamber are formed by the heat insulating wall. A cooling pipe connected to the compressor is embedded in the heat insulating wall, and the cooling pipe is arranged in contact with the inner box forming the inner surface of the storage chamber.
　貯蔵室の側壁上には取付部材により複数の蓄冷体が設置される。蓄冷体は平面視略矩形の扁平形状の蓄冷容器内に液体の蓄冷剤が封入される。取付部材は水平方向に延びて断面Ｌ字型に形成され、貯蔵室の側壁に一対の取付部材が上下方向に並設してネジ止めされる。蓄冷体の上端及び下端を取付部材により係止して蓄冷体が上下方向に位置決めされる。また、取付部材上には水平方向に隣接する蓄冷体の側面を支持する支持部材が取り付けられ、支持部材によって蓄冷体が水平方向に位置決めされる。 A plurality of cool storage bodies are installed on the side walls of the storage room by means of mounting members. In the cool storage body, a liquid cool storage agent is enclosed in a flat cool storage container having a substantially rectangular shape in plan view. The mounting member extends in the horizontal direction and has an L-shaped cross section, and a pair of mounting members are juxtaposed in the vertical direction on the side wall of the storage chamber and screwed. The upper and lower ends of the cold storage body are locked by the attachment member, and the cold storage body is positioned in the vertical direction. Further, a support member that supports the side surface of the regenerator that is adjacent in the horizontal direction is attached on the attachment member, and the regenerator is positioned in the horizontal direction by the support member.
　冷却パイプによって貯蔵室内が冷却されると蓄冷体の蓄冷剤が凍結して蓄冷される。これにより、蓄冷体から放出される冷熱によって貯蔵室内が冷却され、保冷庫の省電力化を図ることができる。また、保冷庫の電力供給停止時に蓄冷体から冷熱を放出して貯蔵室内を保冷することができる。 When the storage room is cooled by the cooling pipe, the regenerator of the regenerator is frozen and stored. Thereby, the inside of a store room is cooled by the cold heat discharged | emitted from a cool storage body, and the power saving of a cool box can be achieved. In addition, when the power supply to the cold storage is stopped, cold heat can be released from the cold storage body to keep the inside of the storage room cold.
実願平１－７５７９１号（第４頁～第７頁、第３図）No. 1-75791 (Pages 4-7, Fig. 3)
　しかしながら、上記従来の保冷庫によると、取付部材を貯蔵室の側壁にネジ止めする工程を必要とするため保冷庫の製造コストが大きくなる問題があった。また、蓄冷体を交換や清掃のために着脱する際に取付部材のネジの取り外しと取り付けが行われるため、保冷庫の利便性が悪くなる問題もあった。この時、取付部材を取り付けた状態で蓄冷体を側方にスライドして引き抜くように形成すると、蓄冷体を設置するスペースが減少して保冷効果が低下する。 However, according to the conventional cool box, there is a problem that the manufacturing cost of the cool box increases because a process of screwing the mounting member to the side wall of the storage chamber is required. In addition, since the screws of the mounting member are removed and attached when the cold storage body is attached or detached for replacement or cleaning, there is a problem that the convenience of the cool box is deteriorated. At this time, if the regenerator is slid sideways and pulled out with the attachment member attached, the space for installing the regenerator is reduced and the cooling effect is lowered.
　加えて、貯蔵室の側壁にネジ止めした取付部材により蓄冷体が支持されるため、貯蔵室の内面を形成する内箱の強度を高くする必要がある。このため、内箱の厚みを大きくすると、内箱の外面に配される冷却パイプから蓄冷体への冷熱の伝熱効率が低下して蓄冷剤の凍結時間が長くなる。これにより、保冷庫の消費電力が大きくなる問題もあった。 In addition, since the cold storage body is supported by a mounting member screwed to the side wall of the storage chamber, it is necessary to increase the strength of the inner box that forms the inner surface of the storage chamber. For this reason, when the thickness of the inner box is increased, the heat transfer efficiency of the cold heat from the cooling pipe disposed on the outer surface of the inner box to the cold storage body is lowered, and the freezing time of the cold storage agent is lengthened. Thereby, there also existed a problem which the power consumption of a cold storage became large.
　本発明は、利便性を向上するとともにコスト削減及び省電力化を図ることのできる保冷庫を提供することを目的とする。 The present invention has an object to provide a cool box capable of improving convenience and reducing costs and saving power.
　上記目的を達成するために本発明は、上面を開口して断熱壁により囲まれた貯蔵室を有した本体部と、前記貯蔵室の上面を開閉する扉と、前記貯蔵室の側壁内に配して前記貯蔵室を冷却する冷却部と、前記冷却部の冷却により凍結する蓄冷剤を封入した蓄冷体と、前記蓄冷体を保持する保持部材とを備えた保冷庫において、前記保持部材は前記貯蔵室に嵌合する環状の枠部と、前記枠部の外周端よりも内周側に立設される支持部とを有し、前記貯蔵室内に配した一の前記保持部材の前記枠部上に載置した前記蓄冷体の上面に他の前記保持部材の前記枠部が載置され、前記蓄冷体が前記貯蔵室の側壁と前記支持部との間に保持されることを特徴としている。 In order to achieve the above object, the present invention provides a main body having a storage chamber having an upper surface opened and surrounded by a heat insulating wall, a door for opening and closing the upper surface of the storage chamber, and a side wall of the storage chamber. Then, in the cool box provided with a cooling unit that cools the storage chamber, a cool storage body that encloses a cool storage agent frozen by cooling of the cooling unit, and a holding member that holds the cool storage body, the holding member is the The frame portion of the one holding member disposed in the storage chamber, having an annular frame portion that fits into the storage chamber, and a support portion that is erected on the inner peripheral side of the outer peripheral end of the frame portion The frame portion of the other holding member is placed on the upper surface of the cold storage body placed thereon, and the cold storage body is held between a side wall of the storage chamber and the support portion. .
　この構成によると、保持部材は環状の枠部が貯蔵室に嵌合して水平方向の移動を規制される。蓄冷体は下方の保持部材と上方の保持部材との間に挟まれ、貯蔵室の側壁に沿って支持部の外周側に配される。支持部を周方向に閉じた環状に形成してもよく、周方向に分割して形成してもよい。冷却部により貯蔵室内が冷却されると蓄冷体の蓄冷剤が凍結し、冷却部による冷却が停止されると蓄冷体から貯蔵室内に冷熱が放出される。貯蔵室から上方の保持部材を取り出すと、蓄冷体を上方から着脱することができる。 According to this configuration, the holding member is restricted from moving in the horizontal direction because the annular frame is fitted into the storage chamber. The cold storage body is sandwiched between the lower holding member and the upper holding member, and is arranged on the outer peripheral side of the support portion along the side wall of the storage chamber. The support portion may be formed in an annular shape that is closed in the circumferential direction, or may be divided in the circumferential direction. When the storage chamber is cooled by the cooling section, the cool storage agent of the cool storage body is frozen, and when cooling by the cooling section is stopped, cold heat is released from the cool storage body into the storage chamber. When the upper holding member is taken out from the storage chamber, the cool storage body can be attached and detached from above.
　また本発明は、上記構成の保冷庫において、前記保持部材を介して前記蓄冷体を上下方向に複数設置し、上下に隣接する前記蓄冷体間に配される前記保持部材は前記枠部の上面及び下面に前記支持部が立設されることを特徴としている。 Further, the present invention provides the cool storage having the above-described configuration, wherein a plurality of the regenerators are installed in the vertical direction via the holding members, and the holding member disposed between the regenerators adjacent vertically is an upper surface of the frame portion. And the said support part is standingly arranged by the lower surface, It is characterized by the above-mentioned.
　また本発明は、上記構成の保冷庫において、前記支持部が前記蓄冷体を前記貯蔵室の側壁の方向に付勢することを特徴としている。 Further, according to the present invention, in the cool box having the above-described configuration, the support portion biases the cool storage body toward a side wall of the storage chamber.
　また本発明は、上記構成の保冷庫において、前記支持部の外周面に弾性体のシール部材を設けたことを特徴としている。 Further, according to the present invention, in the cool box having the above-described configuration, an elastic seal member is provided on the outer peripheral surface of the support portion.
　また本発明は、上記構成の保冷庫において、前記保持部材が形状記憶合金により形成され、前記支持部が所定温度よりも低温になると変形して前記蓄冷体を前記貯蔵室の側壁の方向に押圧することを特徴としている。 According to the present invention, in the cool box having the above-described configuration, the holding member is formed of a shape memory alloy, and the support member is deformed when the temperature becomes lower than a predetermined temperature to press the cool storage body toward the side wall of the storage chamber. It is characterized by doing.
　また本発明は、上記構成の保冷庫において、前記支持部の外面及び前記蓄冷体に互いに係合する係合部を設けたことを特徴としている。 Further, according to the present invention, in the cool box having the above-described configuration, an engagement portion that engages with the outer surface of the support portion and the cold storage body is provided.
　また本発明は、上記構成の保冷庫において、前記貯蔵室の底面に排水孔を有し、前記貯蔵室の底面上に配される前記保持部材が前記排水孔に対向する開口部を有することを特徴としている。 Moreover, in the cool box having the above-described configuration, the present invention has a drainage hole on the bottom surface of the storage chamber, and the holding member disposed on the bottom surface of the storage chamber has an opening facing the drainage hole. It is a feature.
　本発明によると、保持部材が貯蔵室に嵌合する環状の枠部と、枠部の外周端よりも内周側に立設される支持部とを有し、一の保持部材の枠部上に載置した蓄冷体の上面に他の保持部材の枠部を載置して貯蔵室の側壁と支持部との間に蓄冷体が保持される。このため、保持部材をネジ止めすることなく容易に取り付けることができるとともに、上方の保持部材を取り出して蓄冷体を容易に着脱することができる。また、保持部材がネジ止めされないため貯蔵室の側壁の内面を高強度に形成する必要がなく、側壁内に配した冷却部から蓄冷体への冷熱の伝熱効率を向上することができる。従って、保冷庫の利便性を向上するとともにコスト削減及び省電力化を図ることができる。 According to the present invention, the holding member has an annular frame portion that fits into the storage chamber, and a support portion that is erected on the inner peripheral side with respect to the outer peripheral end of the frame portion. The frame part of another holding member is mounted on the upper surface of the cool storage body placed on the cool storage body, and the cool storage body is held between the side wall of the storage chamber and the support part. For this reason, while being able to attach a holding member easily without screwing, an upper holding member can be taken out and a cool storage body can be attached or detached easily. Further, since the holding member is not screwed, it is not necessary to form the inner surface of the side wall of the storage chamber with high strength, and the heat transfer efficiency of the cold heat from the cooling unit arranged in the side wall to the cold storage body can be improved. Therefore, the convenience of the cool box can be improved and cost reduction and power saving can be achieved.
本発明の第１実施形態の保冷庫を示す正面図The front view which shows the cool box of 1st Embodiment of this invention. 本発明の第１実施形態の保冷庫を示す側面図The side view which shows the cool box of 1st Embodiment of this invention. 本発明の第１実施形態の保冷庫を示す上面図The top view which shows the cool box of 1st Embodiment of this invention. 本発明の第１実施形態の保冷庫の本体部を示す上面断面図Top surface sectional drawing which shows the main-body part of the cool box of 1st Embodiment of this invention. 本発明の第１実施形態の保冷庫の本体部を示す正面断面図Front sectional drawing which shows the main-body part of the cool box of 1st Embodiment of this invention. 本発明の第１実施形態の保冷庫の蓄冷体を示す正面図The front view which shows the cool storage body of the cool box of 1st Embodiment of this invention. 本発明の第１実施形態の保冷庫の蓄冷体を示す背面図The rear view which shows the cool storage body of the cool box of 1st Embodiment of this invention 本発明の第１実施形態の保冷庫の蓄冷体を示す上面図The top view which shows the cool storage body of the cool box of 1st Embodiment of this invention. 本発明の第１実施形態の保冷庫の蓄冷体を示す側面断面図Side surface sectional drawing which shows the cool storage body of the cool box of 1st Embodiment of this invention 本発明の第１実施形態の保冷庫の蓄冷体及び保持部材を示す分解斜視図The disassembled perspective view which shows the cool storage body and holding member of the cool box of 1st Embodiment of this invention. 本発明の第１実施形態の保冷庫の本体部の要部を示す上面図The top view which shows the principal part of the main-body part of the cool box of 1st Embodiment of this invention. 本発明の第２実施形態の保冷庫の本体部を示す正面断面図Front sectional drawing which shows the main-body part of the cool box of 2nd Embodiment of this invention. 本発明の第２実施形態の保冷庫の蓄冷体及び保持部材を示す分解斜視図The disassembled perspective view which shows the cool storage body and holding member of the cool box of 2nd Embodiment of this invention. 本発明の第３実施形態の保冷庫の本体部を示す正面断面図Front sectional drawing which shows the main-body part of the cool box of 3rd Embodiment of this invention. 本発明の第３実施形態の保冷庫の蓄冷体及び保持部材を示す分解斜視図The disassembled perspective view which shows the cool storage body and holding member of the cool box of 3rd Embodiment of this invention. 本発明の第４実施形態の保冷庫の保持部材を示す上面図The top view which shows the holding member of the cool box of 4th Embodiment of this invention. 本発明の第４実施形態の保冷庫の保持部材の要部を示す正面断面図Front sectional drawing which shows the principal part of the holding member of the cool box of 4th Embodiment of this invention. 本発明の第５実施形態の保冷庫の保持部材の要部を示す正面断面図Front sectional drawing which shows the principal part of the holding member of the cool box of 5th Embodiment of this invention.
　＜第１実施形態＞
　以下に図面を参照して本発明の実施形態を説明する。図１、図２、図３は第１実施形態保冷庫を示す正面図、側面図及び上面図である。保冷庫１は上面を開口した貯蔵室２０を有する本体部２と、本体部２の背面側で枢支して上面を開閉する開閉扉３（扉）とを備えている。開閉扉３は前端に設けられるハンドル３ａを把持して開閉される。 <First Embodiment>
Embodiments of the present invention will be described below with reference to the drawings. FIG.1, FIG.2, FIG.3 is the front view, side view, and top view which show 1st Embodiment cold storage. The cool box 1 includes a main body 2 having a storage chamber 20 having an upper surface opened, and an open / close door 3 (door) that pivots on the back side of the main body 2 to open and close the upper surface. The open / close door 3 is opened and closed by gripping a handle 3a provided at the front end.
　本体部２の一側端部には機械室１０が設けられる。機械室１０は背面及び一側面に開口部（不図示）を有し、通気孔１１ａを有したパネル１１より開口部が塞がれる。機械室１０の前面には表示パネル１２が設けられる。 A machine room 10 is provided at one end of the main body 2. The machine room 10 has an opening (not shown) on the back surface and one side surface, and the opening is closed by the panel 11 having the air holes 11a. A display panel 12 is provided on the front surface of the machine room 10.
　表示パネル１２には保冷庫１への通電状態や保冷庫１内の温度を確認できるランプ等が配置される。また、保冷庫１への供給電力の一部を使って外部機器へ電気を供給する外部電源供給端子を表示パネル１２に配置してもよい。この外部電源供給端子として、例えばＵＳＢ端子や自動車用シガージャックなどの汎用端子を用いることで、携帯電話機等の小電力機器に電源を供給することができる。また、表示パネル１２には保冷庫１内の温度調整つまみ等の操作部を設けることもできる。 The display panel 12 is provided with a lamp or the like for confirming the energized state of the cool box 1 and the temperature in the cool box 1. Further, an external power supply terminal for supplying electricity to an external device using a part of the power supplied to the cool box 1 may be arranged on the display panel 12. As the external power supply terminal, for example, a general-purpose terminal such as a USB terminal or an automobile cigar jack can be used to supply power to a low-power device such as a mobile phone. In addition, the display panel 12 may be provided with an operation unit such as a temperature adjustment knob in the cool box 1.
　図４、図５は本体部２の上面断面図及び正面断面図を示している。本体部２は外箱２１と内箱２２との間に発泡断熱材２３を充填した断熱箱体２４を有し、断熱箱体２４により断熱壁に囲まれた貯蔵室２０が形成される。断熱箱体２４の側方に設けられる機械室１０内には冷凍サイクルを運転する圧縮機１３が設置される。貯蔵室２０の発泡断熱材２３を充填した四面の側壁２０ａ内には圧縮機１３に接続した冷媒管から成る冷却部２５が埋設される。圧縮機１３が駆動されると、冷凍サイクルの低温部に配される冷却部２５により貯蔵室２０内が冷却される。 4 and 5 show a top sectional view and a front sectional view of the main body 2. The main body 2 has a heat insulating box 24 filled with a foam heat insulating material 23 between the outer box 21 and the inner box 22, and a storage chamber 20 surrounded by a heat insulating wall is formed by the heat insulating box 24. A compressor 13 that operates a refrigeration cycle is installed in the machine room 10 provided on the side of the heat insulation box 24. A cooling unit 25 composed of a refrigerant pipe connected to the compressor 13 is embedded in the four side walls 20 a filled with the foam heat insulating material 23 of the storage chamber 20. When the compressor 13 is driven, the inside of the storage chamber 20 is cooled by the cooling unit 25 disposed in the low temperature part of the refrigeration cycle.
　内箱２２により形成される貯蔵室２０の内面上には保持部材４１、４２により保持される複数の蓄冷体３０が敷設されている。詳細を後述するように、蓄冷体３０は蓄冷容器３２（図６参照）内に封入した蓄冷剤３１（図９参照）の凍結によって蓄冷を行う。本実施形態では貯蔵室２０の前後の内面上に各３個の蓄冷体３０が左右方向に並設され、左右の内面上に各２個の蓄冷体３０が前後方向に並設される。 A plurality of cold storage bodies 30 held by holding members 41 and 42 are laid on the inner surface of the storage chamber 20 formed by the inner box 22. As will be described in detail later, the cold storage body 30 performs cold storage by freezing the cold storage agent 31 (see FIG. 9) enclosed in the cold storage container 32 (see FIG. 6). In the present embodiment, three cool storage bodies 30 are arranged in parallel in the left-right direction on the front and rear inner surfaces of the storage chamber 20, and two cool storage bodies 30 are arranged in the front-rear direction on the left and right inner surfaces.
　図６、図７、図８は蓄冷体３０の正面図、背面図及び上面図を示している。また、図９は蓄冷体３０の側面断面図を示している。蓄冷体３０は樹脂成形品の蓄冷容器３２内に液体の蓄冷剤３１が封入され、蓄冷剤３１の凍結により蓄冷して貯蔵室２０（図４参照）内を保冷する。 6, 7, and 8 show a front view, a rear view, and a top view of the regenerator 30. FIG. 9 shows a side sectional view of the regenerator 30. The cool storage body 30 encloses a liquid cool storage agent 31 in a cool storage container 32 of a resin molded product, stores the cold by freezing the cool storage agent 31, and keeps the inside of the storage chamber 20 (see FIG. 4) cold.
　蓄冷容器３２は略長方形の平面形状を有し、縦方向が横方向よりも長くなっている。また、蓄冷容器３２は厚み方向に薄い扁平形状に形成される。蓄冷体３０は蓄冷容器３２の背面３２ｂを貯蔵室２０（図４参照）の内面に接して配置される。扁平形状の蓄冷容器３２により、貯蔵室２０の内容積を広く確保するとともに、貯蔵室２０の内壁を蓄冷体３０で覆って保冷性能を高くすることができる。 The cold storage container 32 has a substantially rectangular planar shape, and the vertical direction is longer than the horizontal direction. Moreover, the cool storage container 32 is formed in the flat shape thin in the thickness direction. The cool storage body 30 is disposed so that the back surface 32b of the cool storage container 32 is in contact with the inner surface of the storage chamber 20 (see FIG. 4). The flat cold storage container 32 can ensure a large internal volume of the storage chamber 20 and can also enhance the cold insulation performance by covering the inner wall of the storage chamber 20 with the cold storage body 30.
　蓄冷容器３２の上面３２ｃには蓄冷剤３１の注入口３７が設けられる。注入口３７は蓄冷剤３１を注入した後に封止される。蓄冷剤３１は凍結時に膨張するため、蓄冷剤３１の液面Ｈと蓄冷容器３２の上面３２ｃとの間には空間が設けられる。 An inlet 37 for the cold storage agent 31 is provided on the upper surface 32 c of the cold storage container 32. The inlet 37 is sealed after the cold storage agent 31 is injected. Since the cool storage agent 31 expands during freezing, a space is provided between the liquid surface H of the cool storage agent 31 and the upper surface 32 c of the cool storage container 32.
　蓄冷容器３２の前面３２ａには四角錐形状の多数の凹部３４が設けられる。凹部３４によって蓄冷容器３２の前面３２ａの表面積が増加し、蓄冷体３０と貯蔵室２０内の空気との熱交換を促進して保冷性能を向上することができる。 A large number of quadrangular pyramid-shaped recesses 34 are provided on the front surface 32 a of the cold storage container 32. The surface area of the front surface 32a of the cold storage container 32 is increased by the concave portion 34, and heat exchange between the cold storage body 30 and the air in the storage chamber 20 can be promoted to improve the cold insulation performance.
　蓄冷容器３２の背面３２ｂは凹部３４を形成せずにほぼ平面の形状としている。従って、ほぼ平面形状の背面３２ｂが貯蔵室２０の側壁２０ａ（図５参照）に密着して配され、冷却部２５の冷熱を効率良く蓄冷体３０に伝えることができる。 The back surface 32b of the cold storage container 32 has a substantially flat shape without forming the recess 34. Therefore, the substantially planar back surface 32b is disposed in close contact with the side wall 20a (see FIG. 5) of the storage chamber 20, and the cold heat of the cooling unit 25 can be efficiently transmitted to the cold storage body 30.
　蓄冷容器３２には厚み方向に対向する前面３２ａと背面３２ｂとを固着する固着部３５、３６が設けられる。固着部３５は蓄冷容器３２の縦方向及び横方向の中央部に設けられる。固着部３６は蓄冷容器３２の上面３２ｃと固着部３５との間及び下面３２ｄと固着部３５との間にそれぞれ複数（本実施形態では各５個）設けられる。固着部３５、３６によって蓄冷剤３１が凍結する際の蓄冷容器３２の変形が抑制される。 The cold storage container 32 is provided with fixing portions 35 and 36 for fixing the front surface 32a and the back surface 32b facing each other in the thickness direction. The adhering portion 35 is provided in the central portion of the cold storage container 32 in the vertical direction and the horizontal direction. A plurality (five in each embodiment) of the fixing portions 36 are provided between the upper surface 32 c and the fixing portion 35 and between the lower surface 32 d and the fixing portion 35 of the cold storage container 32. The deformation of the cold storage container 32 when the cold storage agent 31 freezes is suppressed by the fixing portions 35 and 36.
　図１０は貯蔵室２０の内部に配される蓄冷体３０及び保持部材４１、４２の分解斜視図を示している。同図において、前面側の蓄冷体３０の図示は省いている。保持部材４１、４２は樹脂成形品や金属により同一形状に形成され、上下方向を逆に配置される。 FIG. 10 is an exploded perspective view of the regenerator 30 and the holding members 41 and 42 arranged inside the storage chamber 20. In the figure, the illustration of the cool storage body 30 on the front side is omitted. The holding members 41 and 42 are formed in the same shape by a resin molded product or metal, and are arranged in the up-down direction.
　保持部材４１、４２は枠部４５及び支持部４６を有している。枠部４５は環状に形成され、貯蔵室２０（図５参照）の内面に嵌合する。支持部４６は枠部４５の外周端よりも内周側に立設され、周方向に閉じた環状に形成される。下方に配される保持部材４１の支持部４６は枠部４５の上面に突出し、上方に配される保持部材４２の支持部４６は枠部４５の下面に突出する。 The holding members 41 and 42 have a frame portion 45 and a support portion 46. The frame portion 45 is formed in an annular shape and is fitted to the inner surface of the storage chamber 20 (see FIG. 5). The support part 46 is erected on the inner peripheral side of the outer peripheral end of the frame part 45 and is formed in an annular shape closed in the circumferential direction. The support portion 46 of the holding member 41 arranged below protrudes from the upper surface of the frame portion 45, and the support portion 46 of the holding member 42 arranged above protrudes from the lower surface of the frame portion 45.
　図４、図５及び図１０において、貯蔵室２０の底面上には支持部４６を上方に向けて保持部材４１が貯蔵室２０に嵌合して設置される。複数の蓄冷体３０は保持部材４１の枠部４５上に載置して支持部４６の外周側に配される。蓄冷体３０上には支持部４６を下方に向けて保持部材４２の枠部４５が貯蔵室２０に嵌合して載置され、蓄冷体３０は保持部材４２の支持部４６の外周側に配される。 4, 5, and 10, a holding member 41 is fitted and installed on the bottom surface of the storage chamber 20 with the support portion 46 facing upward. The plurality of regenerators 30 are placed on the frame portion 45 of the holding member 41 and arranged on the outer peripheral side of the support portion 46. On the cool storage body 30, the frame portion 45 of the holding member 42 is fitted and placed in the storage chamber 20 with the support portion 46 facing downward, and the cool storage body 30 is arranged on the outer peripheral side of the support portion 46 of the holding member 42. Is done.
　枠部４５が貯蔵室２０に嵌合するため保持部材４１、４２は水平面内の移動を規制される。これにより、蓄冷体３０は貯蔵室２０の側壁２０ａと上下の支持部４６との間に保持され、蓄冷体３０の脱落が防止される。 Since the frame portion 45 is fitted into the storage chamber 20, the holding members 41 and 42 are restricted from moving in a horizontal plane. Thereby, the cool storage body 30 is hold | maintained between the side wall 20a of the storage chamber 20, and the up-and-down support part 46, and omission of the cool storage body 30 is prevented.
　このため、保持部材４１、４２をネジ止めすることなく容易に取り付けることができる。また、上方の保持部材４２を取り出して蓄冷体３０を着脱し、蓄冷体３０の清掃や交換を行うことができる。また、保持部材４１、４２がネジ止めされないため、内箱２２を高強度に形成する必要がなく内箱２２の厚みを薄くしてもよい。これにより、側壁２０ａ内に配した冷却部２５から蓄冷体３０への冷熱の伝熱効率を向上することができる。 Therefore, the holding members 41 and 42 can be easily attached without screwing. Further, the upper holding member 42 can be taken out, the cold storage body 30 can be attached and detached, and the cold storage body 30 can be cleaned or replaced. Further, since the holding members 41 and 42 are not screwed, it is not necessary to form the inner box 22 with high strength, and the thickness of the inner box 22 may be reduced. Thereby, the heat-transfer efficiency of the cold heat from the cooling part 25 distribute | arranged in the side wall 20a to the cool storage body 30 can be improved.
　また、内箱２２の厚みを薄くできるため、熱良導性の金属（アルミニウムやステンレス鋼など）を使用しても重量やコストの上昇を抑えることができる。このため、冷却効率だけでなく信頼性やコスト力にも優れた保冷庫１とすることができる。 Moreover, since the thickness of the inner box 22 can be reduced, an increase in weight and cost can be suppressed even when a heat conductive metal (aluminum, stainless steel, etc.) is used. For this reason, it can be set as the cold storage 1 excellent in not only cooling efficiency but reliability and cost power.
　また、内箱２２には保持部材４１、４２をネジ止めするためのネジ受け構造が不要となる。このため、冷却部２５の配置の自由度が向上するとともに、保持部材４１、４２をネジ止めする際にネジによって冷却部２５を損傷してしまうおそれを排除できる。従って、信頼性や安全性の高い保冷庫１とすることができる。 Further, the inner box 22 does not need a screw receiving structure for screwing the holding members 41 and 42. For this reason, the freedom degree of arrangement | positioning of the cooling part 25 improves, and the possibility of damaging the cooling part 25 with a screw when screwing the holding members 41 and 42 can be eliminated. Therefore, it can be set as the cold storage 1 with high reliability and safety.
　尚、水平方向に隣接する蓄冷体３０間には隙間が設けられており、該隙間に嵌合するリブを枠部４５または支持部４６に突設してもよい。また、水平方向に隣接する蓄冷体３０を互いに接して配置してもよい。 It should be noted that a gap is provided between the regenerators 30 adjacent in the horizontal direction, and ribs that fit into the gap may protrude from the frame part 45 or the support part 46. Moreover, you may arrange | position the cool storage body 30 adjacent to a horizontal direction mutually.
　図１１は貯蔵室２０に下方の保持部材４１を配した状態の要部を示す上面図である。貯蔵室２０の底面の右後部のコーナーには結露水等を排水する排水孔２０ｂが設けられる。保持部材４１には排水孔２０ｂに対向した開口部４７が設けられる。開口部４７は保持部材４１の内周側を開放して形成される。開口部４７により排水孔２０ｂの閉塞が防止され、貯蔵室２０の底面上や側壁２０ａ上に発生する結露水等が開口部４７を介して排水孔２０ｂに導かれる。尚、開口部４７は保持部材４１の外周側を開放して形成されていてもよく、枠部４５上に周囲を閉じた貫通孔により形成してもよい。 FIG. 11 is a top view showing the main part in a state where the lower holding member 41 is arranged in the storage chamber 20. A drain hole 20 b for draining condensed water or the like is provided at the right rear corner of the bottom surface of the storage chamber 20. The holding member 41 is provided with an opening 47 facing the drain hole 20b. The opening 47 is formed by opening the inner peripheral side of the holding member 41. The opening 47 prevents the drain hole 20b from being blocked, and condensed water or the like generated on the bottom surface of the storage chamber 20 or the side wall 20a is guided to the drain hole 20b through the opening 47. The opening 47 may be formed by opening the outer peripheral side of the holding member 41, or may be formed by a through hole having a closed periphery on the frame 45.
　上記構成の保冷庫１において、圧縮機１３が駆動されると冷却部２５により貯蔵室２０内が冷却され、蓄冷体３０の蓄冷剤３１が凍結して蓄冷される。これにより、蓄冷体３０から放出される冷熱によって貯蔵室２０内が冷却され、保冷庫１の省電力化を図ることができる。また、保冷庫１の電力供給停止時に蓄冷体３０から冷熱を放出して貯蔵室２０内を保冷することができる。 In the cool box 1 having the above-described configuration, when the compressor 13 is driven, the inside of the storage chamber 20 is cooled by the cooling unit 25, and the cool storage agent 31 of the cool storage body 30 is frozen and stored cold. Thereby, the inside of the storage chamber 20 is cooled by the cold heat discharged from the cold storage body 30, and power saving of the cool box 1 can be achieved. In addition, when the power supply to the cool box 1 is stopped, the cold storage can be released from the cool storage body 30 to keep the inside of the storage room 20 cool.
　本実施形態によると、保持部材４１、４２が貯蔵室２０に嵌合する環状の枠部４５と、枠部４５の外周端よりも内周側に立設される支持部４６とを有する。そして、保持部材４１の枠部４５上に載置した蓄冷体３０の上面に保持部材４２の枠部４５を載置して貯蔵室２０の側壁２０ａと支持部４６との間に蓄冷体３０が保持される。 According to the present embodiment, the holding members 41, 42 have the annular frame portion 45 that fits in the storage chamber 20, and the support portion 46 that is erected on the inner peripheral side of the outer peripheral end of the frame portion 45. And the frame part 45 of the holding member 42 is mounted on the upper surface of the cool storage body 30 mounted on the frame part 45 of the holding member 41, and the cool storage body 30 is located between the side wall 20 a of the storage chamber 20 and the support part 46. Retained.
　このため、保持部材４１、４２をネジ止めすることなく容易に取り付けることができるとともに、上方の保持部材４２を取り出して蓄冷体３０を容易に着脱することができる。また、保持部材４１、４２がネジ止めされないため貯蔵室２０の側壁２０ａの内面（内箱２２）を高強度に形成する必要がなく、側壁２０ａ内に配した冷却部２５から蓄冷体３０への冷熱の伝熱効率を向上することができる。従って、保冷庫１の利便性を向上するとともにコスト削減及び省電力化を図ることができる。 Therefore, the holding members 41 and 42 can be easily attached without screwing, and the upper storage member 42 can be taken out and the regenerator 30 can be easily attached and detached. In addition, since the holding members 41 and 42 are not screwed, it is not necessary to form the inner surface (inner box 22) of the side wall 20a of the storage chamber 20 with high strength, and the cooling unit 25 disposed in the side wall 20a is connected to the regenerator 30. The heat transfer efficiency of cold heat can be improved. Therefore, the convenience of the cool box 1 can be improved, and cost reduction and power saving can be achieved.
　また、貯蔵室２０の底面に排水孔２０ｂを有し、貯蔵室２０の底面上に配される保持部材４１が排水孔２０ｂに対向する開口部４７を有する。これにより、排水孔２０ｂの閉塞を防止し、開口部４７を介して貯蔵室２０内の結露水等を容易に排水孔２０ｂに導いて排水することができる。 Further, the storage chamber 20 has a drain hole 20b on the bottom surface, and the holding member 41 disposed on the bottom surface of the storage chamber 20 has an opening 47 facing the drain hole 20b. Thereby, blockage of the drain hole 20b can be prevented, and condensed water or the like in the storage chamber 20 can be easily guided to the drain hole 20b through the opening 47 and drained.
　＜第２実施形態＞
　次に、図１２は第２実施形態の保冷庫１の本体部２の正面断面図を示している。説明の便宜上、前述の図１～図１１に示す第１実施形態と同様の部分には同一の符号を付している。本実施形態は貯蔵室２０内に蓄冷体３０が上下２段に設置され、上下の蓄冷体３０間に保持部材４３が設けられる。その他の部分は第１実施形態と同様である。 Second Embodiment
Next, FIG. 12 has shown front sectional drawing of the main-body part 2 of the cool box 1 of 2nd Embodiment. For convenience of explanation, the same reference numerals are given to the same parts as those in the first embodiment shown in FIGS. In the present embodiment, the regenerators 30 are installed in two upper and lower stages in the storage chamber 20, and a holding member 43 is provided between the upper and lower regenerators 30. Other parts are the same as those in the first embodiment.
　機械室１０は本体部２の一側端部の下部に設けられ、貯蔵室２０は機械室１０の側方及び上方に連通して設けられる。貯蔵室２０の下部には前後の内面上に各３個の蓄冷体３０が左右方向に並設され、左方の内面上に２個の蓄冷体３０が前後方向に並設される。貯蔵室２０の機械室１０に隣接する側壁２０ａは冷却部２５が設けられないため、貯蔵室２０の右方の内面上の蓄冷体３０が省かれている。機械室１０の上方を含む貯蔵室２０の上部には前後の内面上に各４個の蓄冷体３０が左右方向に並設され、左右の内面上に各２個の蓄冷体３０が前後方向に並設される。 The machine room 10 is provided at the lower part of one side end of the main body 2, and the storage room 20 is provided in communication with the side and upper side of the machine room 10. In the lower part of the storage chamber 20, three cool storage bodies 30 are juxtaposed in the left-right direction on the front and rear inner surfaces, and two cool storage bodies 30 are juxtaposed in the front-rear direction on the left inner surface. The side wall 20a adjacent to the machine room 10 of the storage room 20 is not provided with the cooling unit 25, and thus the cool storage body 30 on the inner surface on the right side of the storage room 20 is omitted. In the upper part of the storage room 20 including the upper part of the machine room 10, four cool storage bodies 30 are arranged in parallel in the left-right direction on the front and rear inner surfaces, and two cool storage bodies 30 are arranged in the front-rear direction on the left and right inner surfaces. It is installed side by side.
　図１３は貯蔵室２０の内部に配される蓄冷体３０及び保持部材４１、４２、４３の分解斜視図を示している。同図において、前面側の蓄冷体３０の図示は省いている。貯蔵室２０の底面上に配される保持部材４１は第１実施形態と同様に形成され、機械室１０側の支持部４６が枠部４５の外周縁上に立設される。機械室１０に面して蓄冷体３０が設置されないため、保持部材４１の機械室１０側の支持部４６を側壁２０ａに沿って配して貯蔵室２０内に不要な突起が形成されないようになっている。これにより、保冷庫１の利便性を向上することができる。 FIG. 13 shows an exploded perspective view of the regenerator 30 and the holding members 41, 42, 43 arranged inside the storage chamber 20. In the figure, the illustration of the cool storage body 30 on the front side is omitted. The holding member 41 disposed on the bottom surface of the storage chamber 20 is formed in the same manner as in the first embodiment, and the support portion 46 on the machine chamber 10 side is erected on the outer peripheral edge of the frame portion 45. Since the cool storage body 30 is not installed facing the machine room 10, the support part 46 on the machine room 10 side of the holding member 41 is arranged along the side wall 20 a so that unnecessary protrusions are not formed in the storage room 20. ing. Thereby, the convenience of the cool box 1 can be improved.
　尚、保持部材４１の機械室１０側の支持部４６を除去し、枠部４５上に上面視コ字状の支持部４６を形成してもよい。また、貯蔵室２０の機械室１０に隣接する側壁２０ａに冷却部２５を設けることができる場合は、貯蔵室２０の右方の内面上に蓄冷体３０を配してもよい。この場合は、保持部材４１は第１実施形態と同様の形状となる。 In addition, the support part 46 by the side of the machine room 10 of the holding member 41 may be removed, and the support part 46 having a U-shape in top view may be formed on the frame part 45. Further, when the cooling unit 25 can be provided on the side wall 20 a adjacent to the machine room 10 of the storage chamber 20, the cool storage body 30 may be disposed on the inner surface on the right side of the storage chamber 20. In this case, the holding member 41 has the same shape as that of the first embodiment.
　上方に配される保持部材４２は第１実施形態と同様の形状で第１実施形態よりも左右方向に長く形成され、支持部４６が枠部４５の下面に立設される。 The holding member 42 disposed on the upper side has the same shape as the first embodiment and is longer in the left-right direction than the first embodiment, and the support portion 46 is erected on the lower surface of the frame portion 45.
　上下に隣接する蓄冷体３０間に配される保持部材４３は貯蔵室２０に嵌合する環状の枠部４５の上面及び下面にそれぞれ支持部４６が立設される。保持部材４３の支持部４６は保持部材４１、４２と同様に枠部４５の外周端よりも内周側に設けられる。 The holding member 43 arranged between the regenerators 30 adjacent in the vertical direction is provided with support portions 46 on the upper surface and the lower surface of the annular frame portion 45 fitted in the storage chamber 20. The support portion 46 of the holding member 43 is provided on the inner peripheral side with respect to the outer peripheral end of the frame portion 45 similarly to the holding members 41 and 42.
　貯蔵室２０の底面上には支持部４６を上方に向けて保持部材４１が貯蔵室２０に嵌合して設置される。下段の複数の蓄冷体３０は保持部材４１の枠部４５上に載置して支持部４６の外周側に配される。下段の蓄冷体３０上には保持部材４３の枠部４５が貯蔵室２０に嵌合して載置され、蓄冷体３０は保持部材４３の下面の支持部４６の外周側に配される。 On the bottom surface of the storage chamber 20, the holding member 41 is fitted and installed in the storage chamber 20 with the support portion 46 facing upward. The plurality of lower-stage regenerators 30 are placed on the frame portion 45 of the holding member 41 and arranged on the outer peripheral side of the support portion 46. The frame portion 45 of the holding member 43 is fitted and placed in the storage chamber 20 on the lower cold storage body 30, and the cold storage body 30 is arranged on the outer peripheral side of the support portion 46 on the lower surface of the holding member 43.
　上段の複数の蓄冷体３０は保持部材４３の枠部４５上に載置して上面の支持部４６の外周側に配される。上段の蓄冷体３０上には支持部４６を下方に向けて保持部材４２の枠部４５が貯蔵室２０に嵌合して載置され、蓄冷体３０は保持部材４２の支持部４６の外周側に配される。 The plurality of upper regenerators 30 are placed on the frame 45 of the holding member 43 and arranged on the outer peripheral side of the upper support 46. A frame portion 45 of the holding member 42 is placed in the storage chamber 20 with the support portion 46 facing downward on the upper cool storage body 30, and the cool storage body 30 is on the outer peripheral side of the support portion 46 of the holding member 42. Arranged.
　枠部４５が貯蔵室２０に嵌合するため保持部材４１、４２、４３は水平面内の移動を規制される。これにより、蓄冷体３０は貯蔵室２０の側壁２０ａと各支持部４６との間に保持され、蓄冷体３０の脱落が防止される。 Since the frame portion 45 is fitted into the storage chamber 20, the holding members 41, 42, and 43 are restricted from moving in the horizontal plane. Thereby, the cool storage body 30 is hold | maintained between the side wall 20a of the storage chamber 20, and each support part 46, and omission of the cool storage body 30 is prevented.
　本実施形態によると、第１実施形態と同様の効果を得ることができる。また、上下に隣接する蓄冷体３０間に配される保持部材４３が枠部４５の上面及び下面に支持部４６が立設されるので、上下に複数段の蓄冷体３０を容易に設置することができる。尚、複数の保持部材４３を設けることにより、蓄冷体３０を上下に３段以上に設置してもよい。 According to this embodiment, the same effect as that of the first embodiment can be obtained. In addition, since the holding member 43 disposed between the upper and lower adjacent regenerators 30 is provided with the support portions 46 standing on the upper surface and the lower surface of the frame portion 45, it is possible to easily install a plurality of stages of the regenerators 30 vertically. Can do. In addition, by providing the some holding member 43, you may install the cool storage body 30 up and down in three steps or more.
　＜第３実施形態＞
　次に、図１４は第３実施形態の保冷庫１の本体部２の正面断面図を示している。また、図１５は貯蔵室２０の内部に配される蓄冷体３０及び保持部材４１、４２、４３の分解斜視図を示している。説明の便宜上、前述の図１２、図１３に示す第２実施形態と同様の部分には同一の符号を付している。本実施形態は上下の蓄冷体３０間に配した保持部材４３が保持部材４３ａ及び保持部材４３ｂに分割して設けられる。その他の部分は第２実施形態と同様である。尚、図１５において、前面側の蓄冷体３０の図示は省いている。 <Third Embodiment>
Next, FIG. 14 has shown front sectional drawing of the main-body part 2 of the cool box 1 of 3rd Embodiment. FIG. 15 is an exploded perspective view of the regenerator 30 and the holding members 41, 42, 43 arranged inside the storage chamber 20. For convenience of explanation, the same reference numerals are given to the same parts as those in the second embodiment shown in FIGS. In this embodiment, the holding member 43 disposed between the upper and lower regenerators 30 is divided into a holding member 43a and a holding member 43b. Other parts are the same as those of the second embodiment. In addition, in FIG. 15, illustration of the cool storage body 30 on the front side is omitted.
　保持部材４３ａ及び保持部材４３ｂは保持部材４２と同一形状に形成され、上下方向を逆に配置される。下段の蓄冷体３０上に載置される保持部材４３ａは保持部材４２と同様に枠部４５の下面に支持部４６が立設される。保持部材４３ｂは枠部４５の上面に支持部４６が立設され、保持部材４３ａ上に載置される。 The holding member 43a and the holding member 43b are formed in the same shape as the holding member 42, and are arranged upside down. As with the holding member 42, the holding member 43 a placed on the lower regenerator 30 is provided with a support portion 46 on the lower surface of the frame portion 45. The holding member 43b has a support portion 46 standing on the upper surface of the frame portion 45, and is placed on the holding member 43a.
　本実施形態によると、第２実施形態と同様の効果を得ることができる。また、保持部材４３ａ及び保持部材４３ｂが保持部材４２と同一形状に形成されるため、部品を共通化して保冷庫１の製造コストを削減することができる。 According to this embodiment, the same effect as that of the second embodiment can be obtained. Moreover, since the holding member 43a and the holding member 43b are formed in the same shape as the holding member 42, it is possible to reduce the manufacturing cost of the cool box 1 by using common parts.
　＜第４実施形態＞
　次に、図１６は第４実施形態の保冷庫１の保持部材４１の上面図を示している。説明の便宜上、前述の図１～図１１に示す第１実施形態と同様の部分には同一の符号を付している。本実施形態は第１実施形態に対して保持部材４１、４２（図１０参照）の形状が異なっている。その他の部分は第１実施形態と同様である。 <Fourth embodiment>
Next, FIG. 16 has shown the top view of the holding member 41 of the cool box 1 of 4th Embodiment. For convenience of explanation, the same reference numerals are given to the same parts as those in the first embodiment shown in FIGS. This embodiment differs in the shape of the holding members 41 and 42 (refer FIG. 10) with respect to 1st Embodiment. Other parts are the same as those in the first embodiment.
　保持部材４１、４２は同一形状に形成され、上下方向を逆に配置される。保持部材４１は環状の枠部４５の周囲に外側に向かって突出する突起部４５ａが設けられる。突起部４５ａが貯蔵室２０（図４参照）の内面に接して枠部４５が貯蔵室２０に嵌合する。支持部４６は突起部４５ａの外周端よりも内周側に立設され、各蓄冷体３０に対応して周方向に分割して複数設けられる。これにより、支持部４６は傾倒する方向に容易に弾性変形することができる。 The holding members 41 and 42 are formed in the same shape, and are arranged upside down. The holding member 41 is provided with a protrusion 45 a that protrudes outward around the annular frame 45. The protrusion 45 a comes into contact with the inner surface of the storage chamber 20 (see FIG. 4), and the frame portion 45 fits into the storage chamber 20. A plurality of support portions 46 are erected on the inner peripheral side with respect to the outer peripheral end of the protruding portion 45 a, and a plurality of support portions 46 are provided in the circumferential direction corresponding to the respective cold storage bodies 30. Thereby, the support part 46 can be easily elastically deformed in the tilting direction.
　図１７は保持部材４１の支持部４６上を通る要部を拡大した正面断面図を示している。支持部４６の開放端には外側に突出する係合爪４６ａが設けられる。蓄冷体３０の蓄冷容器３２の前面３２ａには係合爪４６ａが係合する係合溝３８が凹設される。係合溝３８は蓄冷容器３２の前面３２ａを正面から見て周囲を閉じた形状に形成される。係合爪４６ａ及び係合溝３８は互いに係合する係合部を構成する。 FIG. 17 shows an enlarged front sectional view of a main part passing over the support part 46 of the holding member 41. An engaging claw 46 a that protrudes outward is provided at the open end of the support portion 46. An engagement groove 38 that engages with the engagement claw 46 a is recessed in the front surface 32 a of the cold storage container 32 of the cold storage body 30. The engagement groove 38 is formed in a shape whose periphery is closed when the front surface 32a of the cold storage container 32 is viewed from the front. The engaging claw 46a and the engaging groove 38 constitute an engaging portion that engages with each other.
　枠部４５上に設置される蓄冷体３０は支持部４６の弾性変形によって貯蔵室２０の側壁２０ａ（図５参照）の方向に付勢され、係合爪４６ａと係合溝３８とが係合して保持される。これにより、蓄冷体３０の脱落を確実に防止することができる。また、蓄冷容器３２の背面３２ｂを貯蔵室２０の側壁２０ａ（図５参照）に密接させることができる。従って、冷却部２５（図５参照）の冷熱を効率良く蓄冷体３０に伝えることができる。 The regenerator 30 installed on the frame 45 is urged in the direction of the side wall 20a (see FIG. 5) of the storage chamber 20 by the elastic deformation of the support 46, and the engagement claw 46a and the engagement groove 38 are engaged. Held. Thereby, drop-off of the cool storage body 30 can be prevented reliably. Moreover, the back surface 32b of the cold storage container 32 can be brought into close contact with the side wall 20a of the storage chamber 20 (see FIG. 5). Therefore, the cold heat of the cooling unit 25 (see FIG. 5) can be efficiently transmitted to the cold storage body 30.
　更に、係合部を蓄冷体３０毎に離散的に配置することで、蓄冷体３０の脱落だけでなく貯蔵室２０の側壁２０ａに沿った蓄冷体３０の水平方向の移動も抑制することができる。このため、蓄冷体３０の水平移動による蓄冷体３０と側壁２０ａとの隙間の形成を防止し、蓄冷容器３２の背面３２ｂを側壁２０ａにより確実に密接させることができる。また、使用者が貯蔵室２０に貯蔵物を収納する際に蓄冷体３０がずれることを防止できる。従って、より高品質な保冷庫１とすることができる。 Furthermore, by disposing the engaging portions discretely for each cool storage body 30, not only the cool storage body 30 is dropped but also the horizontal movement of the cool storage body 30 along the side wall 20a of the storage chamber 20 can be suppressed. . For this reason, formation of the clearance gap between the cool storage body 30 and the side wall 20a by horizontal movement of the cool storage body 30 can be prevented, and the back surface 32b of the cool storage container 32 can be reliably brought into close contact with the side wall 20a. Moreover, it can prevent that the cool storage body 30 slip | deviates when a user accommodates a stored item in the storage chamber 20. FIG. Therefore, it can be set as the cold storage 1 of higher quality.
　本実施形態によると、第１実施形態と同様の効果を得ることができる。また、支持部４６が蓄冷体３０を貯蔵室２０の側壁２０ａの方向に付勢するので、蓄冷体３０の脱落を確実に防止できるとともに、冷却部２５の冷熱を効率良く蓄冷体３０に伝えることができる。 According to this embodiment, the same effect as that of the first embodiment can be obtained. Moreover, since the support part 46 urges the cool storage body 30 in the direction of the side wall 20a of the storage chamber 20, it is possible to reliably prevent the cool storage body 30 from falling off and to efficiently transmit the cold heat of the cooling part 25 to the cool storage body 30. Can do.
　尚、係合爪４６ａを省いて支持部４６を先端が外周側に傾斜するように形成して弾性変形により蓄冷体３０を付勢してもよく、係合溝３８を省いてもよい。しかし、本実施形態のように係合爪４６ａ及び係合溝３８により互いに係合する係合部を設けると、蓄冷体３０の脱落をより確実に防止できるためより望ましい。 In addition, the engaging claw 46a may be omitted, the support portion 46 may be formed so that the tip thereof is inclined toward the outer peripheral side, and the cold accumulator 30 may be urged by elastic deformation, or the engaging groove 38 may be omitted. However, it is more desirable to provide an engaging portion that engages with each other by the engaging claw 46a and the engaging groove 38 as in the present embodiment because the cool storage body 30 can be more reliably prevented from falling off.
　また、枠部４５の周囲に外側に向かって突出する突起部４５ａが貯蔵室２０に嵌合するので、保持部材４１、４２の軽量化を図ることができる。 Further, since the protrusion 45a protruding outward around the frame 45 is fitted into the storage chamber 20, the holding members 41 and 42 can be reduced in weight.
　また、支持部４６を周方向に分割したので、弾性変形して蓄冷体３０を付勢する支持部４６を容易に実現することができる。 Moreover, since the support part 46 was divided | segmented into the circumferential direction, the support part 46 which elastically deforms and energizes the cool storage body 30 is easily realizable.
　本実施形態において、支持部４６を周方向に分割し、突起部４５ａ及び係合爪４６の一方または両方を省いてもよい。また、支持部４６を周方向に閉じた環状に形成し、突起部４５ａ及び係合爪４６の一方または両方を設けてもよい。 In the present embodiment, the support portion 46 may be divided in the circumferential direction, and one or both of the protrusion 45a and the engaging claw 46 may be omitted. Further, the support portion 46 may be formed in an annular shape that is closed in the circumferential direction, and one or both of the protruding portion 45a and the engaging claw 46 may be provided.
　また、第２、第３実施形態の保冷庫１の保持部材４１、４２、４３も本実施形態と同様に、枠部４５に突起部４５ａを設けてもよく、支持部４６を周方向に分割してもよい。また、第２、第３実施形態の保冷庫１の保持部材４１、４２、４３及び蓄冷体３０も本実施形態と同様に、係合爪４６ａ及び係合溝３８を設けてもよい。 Similarly to the present embodiment, the holding members 41, 42, and 43 of the cool box 1 of the second and third embodiments may be provided with the protrusion 45a on the frame portion 45, and the support portion 46 is divided in the circumferential direction. May be. Further, the holding members 41, 42, 43 and the cold storage body 30 of the cool box 1 of the second and third embodiments may also be provided with the engaging claws 46a and the engaging grooves 38 as in the present embodiment.
　＜第５実施形態＞
　次に、図１８は第５実施形態の保冷庫１の保持部材４１の支持部４６上を通る要部を拡大した正面断面図を示している。説明の便宜上、前述の図１～図１１に示す第１実施形態と同様の部分には同一の符号を付している。本実施形態は保持部材４１、４２（図１０参照）にシール部材４８が設けられる。その他の部分は第１実施形態と同様である。 <Fifth Embodiment>
Next, FIG. 18: has shown front sectional drawing to which the principal part passing on the support part 46 of the holding member 41 of the cool box 1 of 5th Embodiment was expanded. For convenience of explanation, the same reference numerals are given to the same parts as those in the first embodiment shown in FIGS. In the present embodiment, a seal member 48 is provided on the holding members 41 and 42 (see FIG. 10). Other parts are the same as those in the first embodiment.
　シール部材４８は合成ゴムや軟質樹脂等の弾性体により形成され、保持部材４１及び保持部材４２（図１０参照）の支持部４６の外周面上に固着される。 The seal member 48 is formed of an elastic body such as synthetic rubber or soft resin, and is fixed on the outer peripheral surface of the support portion 46 of the holding member 41 and the holding member 42 (see FIG. 10).
　枠部４５上に設置される蓄冷体３０は支持部４６上のシール部材４８の弾性変形によって貯蔵室２０の側壁２０ａ（図５参照）の方向に付勢される。これにより、蓄冷体３０の脱落を確実に防止することができる。また、蓄冷容器３２の背面３２ｂを貯蔵室２０の側壁２０ａ（図５参照）に密接させることができる。従って、冷却部２５（図５参照）の冷熱を効率良く蓄冷体３０に伝えることができる。 The cool storage body 30 installed on the frame 45 is biased in the direction of the side wall 20a (see FIG. 5) of the storage chamber 20 by elastic deformation of the seal member 48 on the support 46. Thereby, drop-off of the cool storage body 30 can be prevented reliably. Moreover, the back surface 32b of the cold storage container 32 can be brought into close contact with the side wall 20a of the storage chamber 20 (see FIG. 5). Therefore, the cold heat of the cooling unit 25 (see FIG. 5) can be efficiently transmitted to the cold storage body 30.
　本実施形態によると、第１実施形態と同様の効果を得ることができる。また、シール部材４８を介して支持部４６が蓄冷体３０を貯蔵室２０の側壁２０ａの方向に付勢するので、蓄冷体３０の脱落を確実に防止できるとともに、冷却部２５の冷熱を効率良く蓄冷体３０に伝えることができる。 According to this embodiment, the same effect as that of the first embodiment can be obtained. Moreover, since the support part 46 urges | biases the cool storage body 30 toward the side wall 20a of the storage chamber 20 via the sealing member 48, while the fall of the cool storage body 30 can be prevented reliably, the cold heat of the cooling part 25 is efficiently performed. It can be transmitted to the cold storage body 30.
　尚、シール部材４８には、常温などでは弾性変形可能であるが蓄冷剤３１の凝固温度以下などの低温では弾性力が低下する材質を用いることができる。このような材質とすることで、蓄冷体３０の交換時等の貯蔵室２０内が高温となるときに、蓄冷体３０を容易に着脱することができる。また、貯蔵室２０内が蓄冷体３０により冷却されているときはシール部材４８が硬化して変形を抑制されるため、蓄冷体３０を貯蔵室２０の側壁２０ａの方向に確実に押圧することができる。 The seal member 48 may be made of a material that can be elastically deformed at room temperature or the like, but whose elastic force is reduced at a low temperature such as the solidification temperature of the cold storage agent 31 or lower. By setting it as such a material, when the inside of the storage chamber 20 becomes high temperature at the time of replacement | exchange of the cool storage body 30, the cool storage body 30 can be attached or detached easily. Further, when the inside of the storage chamber 20 is cooled by the cold storage body 30, the seal member 48 is cured and deformation is suppressed, so that the cold storage body 30 can be reliably pressed in the direction of the side wall 20a of the storage chamber 20. it can.
　本実施形態において、第４実施形態と同様に支持部４６を周方向に分割してもよい。また、本実施形態と同様のシール部材４８を第２、第３実施形態の保冷庫の保持部材４１、４２、４３に設けてもよい。 In the present embodiment, the support portion 46 may be divided in the circumferential direction as in the fourth embodiment. Moreover, you may provide the sealing member 48 similar to this embodiment in the holding members 41, 42, and 43 of the cool box of 2nd, 3rd embodiment.
　＜第６実施形態＞
　次に、第６実施形態の保冷庫１について説明する。本実施形態は前述の図１～図１１に示す第１実施形態と同様に構成され、保持部材４１、４２が形状記憶合金により形成される。その他の部分は第１実施形態と同様である。 <Sixth Embodiment>
Next, the cool box 1 of 6th Embodiment is demonstrated. This embodiment is configured in the same manner as the first embodiment shown in FIGS. 1 to 11, and the holding members 41 and 42 are formed of a shape memory alloy. Other parts are the same as those in the first embodiment.
　保持部材４１、４２は例えば、変態温度が０℃以下のＮｉＴｉ合金等の形状記憶合金により形成される。支持部４６は変態温度よりも高温時に枠部４５に対して鉛直方向に立設され、蓄冷体３０から離れる。また、支持部４６は変態温度よりも低温になると塑性変形して蓄冷体３０を押圧するように屈曲する。 The holding members 41 and 42 are made of, for example, a shape memory alloy such as a NiTi alloy having a transformation temperature of 0 ° C. or lower. The support part 46 is erected in the vertical direction with respect to the frame part 45 at a temperature higher than the transformation temperature, and is separated from the regenerator 30. Further, when the support portion 46 becomes lower than the transformation temperature, it is plastically deformed and bent so as to press the cold storage body 30.
　冷却部２５によって貯蔵室２０内が変態温度よりも低温に冷却されると、支持部４６の塑性変形によって蓄冷体３０（図５参照）を貯蔵室２０の側壁２０ａ（図５参照）の方向に押圧する。この時、支持部４６は蓄冷体３０の押圧により枠部４５に対して弾性変形するため、蓄冷体３０を弾性によって付勢する。これにより、蓄冷体３０の脱落を確実に防止することができる。また、蓄冷容器３２の背面３２ｂを貯蔵室２０の側壁２０ａ（図５参照）に密接させることができる。従って、冷却部２５（図５参照）の冷熱を効率良く蓄冷体３０に伝えることができる。 When the inside of the storage chamber 20 is cooled to a temperature lower than the transformation temperature by the cooling portion 25, the cool storage body 30 (see FIG. 5) is moved in the direction of the side wall 20a (see FIG. 5) of the storage chamber 20 by plastic deformation of the support portion 46. Press. At this time, since the support portion 46 is elastically deformed with respect to the frame portion 45 by the pressing of the cold storage body 30, the cold storage body 30 is urged by elasticity. Thereby, drop-off of the cool storage body 30 can be prevented reliably. Moreover, the back surface 32b of the cold storage container 32 can be brought into close contact with the side wall 20a of the storage chamber 20 (see FIG. 5). Therefore, the cold heat of the cooling unit 25 (see FIG. 5) can be efficiently transmitted to the cold storage body 30.
　また、圧縮機１３を停止して貯蔵室２０内が保持部材４１、４２の変態温度よりも高温になると、支持部４６が蓄冷体３０から離れる。これにより、蓄冷体３０を容易に着脱することができる。 Further, when the compressor 13 is stopped and the inside of the storage chamber 20 becomes higher than the transformation temperature of the holding members 41, 42, the support portion 46 is separated from the cold storage body 30. Thereby, the cool storage body 30 can be attached or detached easily.
　本実施形態によると、第１実施形態と同様の効果を得ることができる。また、形状記憶合金により形成される保持部材４１、４２の支持部４６が所定温度よりも低温になると変形して蓄冷体３０を貯蔵室２０の側壁２０ａの方向に付勢する。このため、蓄冷体３０の脱落を確実に防止できるとともに、冷却部２５の冷熱を効率良く蓄冷体３０に伝えることができる。また、所定温度よりも高温時に支持部４６が蓄冷体３０から離れ、蓄冷体３０を容易に着脱することができる。 According to this embodiment, the same effect as that of the first embodiment can be obtained. Moreover, when the support part 46 of the holding members 41 and 42 formed of a shape memory alloy becomes a temperature lower than a predetermined temperature, it deforms and urges the regenerator 30 toward the side wall 20a of the storage chamber 20. For this reason, it is possible to reliably prevent the cool storage body 30 from falling off, and to efficiently transmit the cold heat of the cooling unit 25 to the cool storage body 30. Moreover, the support part 46 leaves | separates from the cool storage body 30 at the time of temperature higher than predetermined temperature, and the cool storage body 30 can be attached or detached easily.
　また、冷却部２５による冷却時に蓄冷体３０を付勢する保持部材４１、４２を形状記憶合金により容易に実現することができる。 Also, the holding members 41 and 42 that urge the regenerator 30 during cooling by the cooling unit 25 can be easily realized by the shape memory alloy.
　尚、第２、第３実施形態の保持部材４１、４２、４３を本実施形態と同様に形状記憶合金により形成してもよい。 In addition, you may form the holding members 41, 42, and 43 of 2nd, 3rd embodiment with a shape memory alloy similarly to this embodiment.
　第１～第６実施形態において、冷却部２５が圧縮機１３に接続された冷媒管により形成されるが、貯蔵室２０を冷却するペルチェ素子等の他の装置により冷却部２５を形成してもよい。 In the first to sixth embodiments, the cooling unit 25 is formed by the refrigerant pipe connected to the compressor 13, but the cooling unit 25 may be formed by another device such as a Peltier element that cools the storage chamber 20. Good.
　尚、本発明は上記各実施形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲で適宜変更して実施することも可能である。例えば、各実施形態の一部の構成を省くことや変更を行ってもよく、各実施形態の構成を任意に組み合わせてもよい。 It should be noted that the present invention is not limited to the above embodiments, and can be implemented with appropriate modifications without departing from the spirit of the present invention. For example, a part of the configuration of each embodiment may be omitted or changed, and the configuration of each embodiment may be arbitrarily combined.
　本発明によると、蓄冷剤を封入した蓄冷体を備えた保冷庫に利用することができる。 According to the present invention, it can be used in a cold storage room provided with a cold storage body in which a cold storage agent is enclosed.
　　　１　　保冷庫
　　　２　　本体部
　　　３　　開閉扉
　　１０　　機械室
　　１２　　表示パネル
　　１３　　圧縮機
　　２０　　貯蔵室
　　２０ａ　側壁
　　２０ｂ　排水孔
　　２５　　冷却部
　　３０　　蓄冷体
　　３１　　蓄冷剤
　　３２　　蓄冷容器
　　３３　　段差部
　　３４　　凹部
　　３５、３６　固着部
　　３７　　注入口
　　３８　　係止溝
　　４１、４２、４３、４３ａ、４３ｂ　保持部材
　　４５　　枠部
　　４５ａ　突起部
　　４６　　支持部
　　４６ａ　係合爪
　　４７　　開口部
　　４８　　シール部材 DESCRIPTION OF SYMBOLS 1 Cold storage 2 Main body part 3 Opening / closing door 10 Machine room 12 Display panel 13 Compressor 20 Storage room 20a Side wall 20b Drain hole 25 Cooling part 30 Regenerator 31 Cold storage agent 32 Cold storage container 33 Step part 34 Recessed part 35, 36 Adhering part 37 Note Inlet 38 Locking groove 41, 42, 43, 43a, 43b Holding member 45 Frame portion 45a Projection portion 46 Support portion 46a Engaging claw 47 Opening portion 48 Seal member

Claims (5)

  1. 　上面を開口して断熱壁により囲まれた貯蔵室を有した本体部と、前記貯蔵室の上面を開閉する扉と、前記貯蔵室の側壁内に配して前記貯蔵室を冷却する冷却部と、前記冷却部の冷却により凍結する蓄冷剤を封入した蓄冷体と、前記蓄冷体を保持する保持部材とを備えた保冷庫において、前記保持部材は前記貯蔵室に嵌合する環状の枠部と、前記枠部の外周端よりも内周側に立設される支持部とを有し、前記貯蔵室内に配した一の前記保持部材の前記枠部上に載置した前記蓄冷体の上面に他の前記保持部材の前記枠部が載置され、前記蓄冷体が前記貯蔵室の側壁と前記支持部との間に保持されることを特徴とする保冷庫。 A main body having a storage chamber that is open at the upper surface and surrounded by a heat insulating wall, a door that opens and closes the upper surface of the storage chamber, and a cooling unit that is disposed inside a side wall of the storage chamber and cools the storage chamber A cold storage comprising a cold storage body enclosing a cold storage agent that is frozen by cooling of the cooling section, and a holding member that holds the cold storage body, wherein the holding member is an annular frame portion that fits into the storage chamber; An upper surface of the cool storage body placed on the frame portion of the one holding member disposed in the storage chamber. The frame part of the other holding member is placed, and the cold storage body is held between a side wall of the storage chamber and the support part.
  2. 　前記保持部材を介して前記蓄冷体を上下方向に複数設置し、上下に隣接する前記蓄冷体間に配される前記保持部材は前記枠部の上面及び下面に前記支持部が立設されることを特徴とする請求項１に記載の保冷庫。 A plurality of the regenerators are installed in the vertical direction via the holding members, and the support members arranged between the regenerators adjacent vertically are provided with the support portions standing on the upper surface and the lower surface of the frame portion. The cold storage according to claim 1, wherein:
  3. 　前記支持部が前記蓄冷体を前記貯蔵室の側壁の方向に付勢することを特徴とする請求項１または請求項２に記載の保冷庫。 The cold storage according to claim 1 or 2, wherein the support portion biases the cold storage body toward a side wall of the storage chamber.
  4. 　前記支持部の外面及び前記蓄冷体に互いに係合する係合部を設けたことを特徴とする請求項１～請求項３のいずれかに記載の保冷庫。 The cold insulator according to any one of claims 1 to 3, further comprising an engaging portion that engages with the outer surface of the support portion and the cold storage body.
  5. 　前記貯蔵室の底面に排水孔を有し、前記貯蔵室の底面上に配される前記保持部材が前記排水孔に対向する開口部を有することを特徴とする請求項１～請求項４のいずれかに記載の保冷庫。 The drainage hole is provided on the bottom surface of the storage chamber, and the holding member disposed on the bottom surface of the storage chamber has an opening facing the drainage hole. Cold storage as described in crab.
PCT/JP2015/068716 2014-07-08 2015-06-29 Cooling box WO2016006490A1 (en)

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