WO2006013762A1 - 冷却貯蔵庫 - Google Patents
冷却貯蔵庫 Download PDFInfo
- Publication number
- WO2006013762A1 WO2006013762A1 PCT/JP2005/013739 JP2005013739W WO2006013762A1 WO 2006013762 A1 WO2006013762 A1 WO 2006013762A1 JP 2005013739 W JP2005013739 W JP 2005013739W WO 2006013762 A1 WO2006013762 A1 WO 2006013762A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cooler
- wall
- fan
- heating plate
- fan device
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 44
- 238000003860 storage Methods 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 67
- 238000005192 partition Methods 0.000 claims description 2
- 238000010257 thawing Methods 0.000 abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract 4
- 238000005057 refrigeration Methods 0.000 description 21
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 8
- 210000000078 claw Anatomy 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 210000001364 upper extremity Anatomy 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
- F25D2317/0655—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the top
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
- F25D2317/0665—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the top
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
- F25D2317/0681—Details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
- F25D2317/0682—Two or more fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
- F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
- F25D2321/146—Collecting condense or defrost water; Removing condense or defrost water characterised by the pipes or pipe connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/22—Cleaning means for refrigerating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/40—Refrigerating devices characterised by electrical wiring
Definitions
- the present invention relates to a cooling storage, and more particularly to an improvement in a structure suitable for defrosting a cooling fan device.
- JP 2003-214755 A is known as an example of a commercial cooling storage.
- a cooler room is defined by a duct that also serves as a drain pan is stretched on the ceiling of the storage body, and a cooler connected to a refrigeration system outside the warehouse is accommodated in this cooler room.
- a suction port equipped with a cooling fan device is provided on the front side of the duct, and an air outlet is provided on the back side.
- a heater for defrosting is attached to the cooler.
- the cooling operation is performed by driving a refrigeration device and a cooling fan device, and heat is exchanged with the cooler while the air in the cabinet is sucked from the suction port and flows through the cooler chamber. In this way, cold air is generated, and the interior is cooled by circulating and supplying this cold air to the outlet outlet.
- the defrosting operation of the cooler is performed by turning off the refrigeration device and the cooling fan device and energizing the heater to generate heat, and the frost attached by the cooler is heated to defrost. After the water is received in the duct (drain pan), it is drained to the outside.
- the cooling storage is mainly a cooler that forms frost.
- the cooling fan device for example, the case and fan guard are cooled to the same level as the inside temperature, and the door is opened. Because it is in a position where the outside air that has entered sometimes is easy to touch, depending on conditions such as low temperature inside the refrigerator or high temperature and humidity like a freezer, it may also form frost on the case and fan guard. There was a possibility. However, as a conventional defrosting measure, the radiant heat from the heater is applied to the cooling fan device, and it cannot be said that the defrosting can be sufficiently performed.
- the present invention has been completed based on the above situation, and an object thereof is to enable effective defrosting of the cooling fan device. Disclosure of the invention
- the present invention is characterized in that a heat conducting member for conducting heat of the heating device provided in the cooler to the cooling fan device is provided.
- the heating plate mounted with the heating device is attached to the cooler, if the cooling fan device is mounted on the fan mounting portion extending from the heating plate, the heating plate is It can be used as a heat conducting member.
- the heating device when the heating device is attached to the cooler and the cooling fan device is attached to the wall of the cooler chamber via the defrosting plate, the heating device or the cooler is attached to the defrosting plate. If a contact portion to be contacted is provided, it can be used as a heat conducting member.
- FIG. 1 is a longitudinal sectional view of a cooling storage according to Embodiment 1 of the present invention.
- Figure 2 is a cross-sectional view of the vicinity of the cooler chamber
- Figure 3 is an exploded cross-sectional view of the vicinity of the cooler
- Figure 4 is an exploded perspective view of the vicinity of the cooler
- FIG. 5 is a cross-sectional view of the vicinity of the cooler chamber according to Embodiment 2.
- FIG. 6 is a perspective view of the heating plate of Embodiment 2.
- FIG. 7 is a cross-sectional view of the vicinity of the cooler chamber according to Embodiment 3.
- FIG. 8 is a perspective view of a heating plate and a cooling duct according to Embodiment 3.
- FIG. 9 is a cross-sectional view of the vicinity of the cooler chamber according to Embodiment 4.
- FIG. 10 is an exploded perspective view of the vicinity of the drain of the cooling duct according to the fourth embodiment.
- FIG. 11 is a side view of the heat conducting member according to Embodiment 4.
- FIG. 12 is a cross-sectional view showing an operation of attaching the heat conducting member according to Embodiment 4 to the drain outlet of the pipe portion.
- FIG. 13 is a perspective view and a partially enlarged sectional view showing a mounting structure on the suction port side of the cooling duct according to the fourth embodiment.
- FIG. 14 is a cross-sectional view of the vicinity of the cooler chamber according to Embodiment 5.
- FIG. 15 is an exploded perspective view of the vicinity of the heating plate according to the fifth embodiment.
- FIG. 16 is a cross-sectional view of the vicinity of the cooler chamber according to Embodiment 6.
- FIG. 17 is a sectional view of the vicinity of the cooler chamber according to Embodiment 7.
- Embodiment 1 of the present invention will be described with reference to FIGS.
- reference numeral 10 denotes a storage body composed of a heat insulating box with an opening at the front, which is supported by four legs 11 and has a storage chamber 12 inside.
- a partition frame 13 By partitioning the front of the storage chamber 12 with a partition frame 13, two upper and lower doors 14 are formed, and a heat insulating door 15 is swingably attached to each door 14.
- a machine room 16 is configured by a panel 17 standing around.
- a rectangular opening 18 is formed in the ceiling wall of the storage body 10 which is the bottom of the machine room 16, and the boot unit of the refrigeration unit 20 is closed so as to close the upper surface of the opening 18. 21 is placed.
- a wall 40 that also serves as a drain pan is stretched downwardly from the position of the unit base 21 to the rear wall.
- a cooler chamber 23 is formed between them.
- the unit base 21 is heat-insulating, and as shown in detail in FIG. 2, a refrigeration device 25 including a compressor 26, an air-cooled condenser 27, and the like is placed on the upper surface thereof.
- a cooler 28 evaporator
- the cooler 28 and the refrigeration apparatus 25 are circulated and connected by a refrigerant pipe 30 that is passed through a through hole 29X provided in the unit base 21 to form a known refrigeration cycle.
- the wall 40 is made of a synthetic resin such as ABS resin, and is formed in a flat rectangular dish shape as shown in FIGS. 3 and 4, but from the front side (right side in FIG. 3) to the back side. The depth is gradually increased.
- the front wall 41X has its left and right ends left, and its upper part is cut away with a predetermined height at the lower part, and the suction port 42 is formed by this cut off part.
- the rear wall 41Y is cut off at the upper side except for a predetermined height at the lower part, and the blowout port 43 is formed by this cut-out portion.
- a mounting plate 44 is formed with a predetermined gap between the left and right side walls 41Z, and hooks 4 are formed on the respective upper edges. 5 is formed.
- a pair of mounting plates 46 are formed in a horizontal posture on the left and right sides of the suction port 42.
- the wall 40 hooks the hooks 45 of the both vertical mounting plates 44 on the hook portions 32 (see Fig. 2) provided on the left and right side surfaces of the opening 18, and also on the front side.
- both mounting plates 46 By attaching both mounting plates 46 to the front edge on the lower surface side of the opening 18 and fastening them with screws 47, the mounting plate 46 is attached so as to close the lower surface side of the opening 18 as shown in FIG.
- the bottom surface of the wall 40 has a downward slope toward the inner edge (the left side of the figure), and the cooler 28 is accommodated in a posture slightly lifted from the bottom surface of the wall 40.
- a suction port 42 is formed on the front side of the wall 40, and an outlet 43 is formed on the back side.
- the wall 40 also serves as a drain pan that receives defrosted water, and the back side is the deepest part, and the remaining back wall 41Y has a slight width when viewed from the front rather than the center in the width direction.
- a drain port 48 is formed at a position close to the left side.
- the drain port 48 has a groove shape with an opening on the upper surface, and is formed in a downward-facing posture toward the back side.
- the drainage port 48 is fitted and connected to the upper end portion of the drainage channel 33 formed on the back wall of the storage body 10.
- the drainage channel 33 turns to the side wall side from the middle, and is opened on the near side of the bottom surface.
- a heater 50 for defrosting is mounted on the lower surface side of the cooler 28 . Accordingly, a heating plate 51 corresponding to a heat conducting member is provided.
- the heating plate 51 is made of a stainless steel plate, and has a main body 52 that is large enough to cover the entire lower surface of the cooler 28 as shown in FIG.
- a cord-type heater 50 is wired in a zigzag pattern.
- On the front edge and the rear edge of the main body 52 a plurality of drain holes 53 are also formed side by side.
- through holes 54X of screws 47 are formed at the left and right ends of the front edge of the main body 52, and a mounting plate 55 is raised from the rear edge of the main body 52.
- through holes 54Y of screws 47 are formed at both ends.
- the main body 52 of the heating plate 51 is applied to the lower surface of the cooler 28 while the heater 50 is inserted into a mounting groove 36 cut out at the lower edge of the end plate 35 in the cooler 28. Then, the mounting plate 55 is applied to the lower part of the rear surface of the cooler 28 and the screw 47 is screwed, and the front edge of the main body 52 is fixed to the front edge side of the lower surface of the cooler 28 with the screw 47 and fixed. Ru It ’s like that.
- the lead wire (not shown) of the heater 50 is drawn into the machine room 16 through the other through hole 29Y penetrating the unit base 21, and is installed in the electrical box 37 (see FIG. 1). Led by
- a cooling fan device 60 is mounted on the heating plate 51 described above.
- the fan device 60 has a structure in which a fan motor 61 is housed in a case 62 having a shroud, and two fan devices 61 are prepared.
- a fan mounting portion 56 is formed from the front edge of the main body 52 of the heating plate 51 so as to extend upward toward the front side.
- Two fan-shaped circular holes 57 are formed in the fan mounting portion 56.
- the fan device 60 is placed on the upper surface side so as to cover the circular hole 57, and is fixed by fastening the four corners of the case 62 with screws 47.
- a short mounting portion 58 is formed to be bent in a horizontal posture.
- the mounting portion 58 is applied to the lower surface of the front leg 21X fitted in the opening 18 in the unit base 21, and is fixed by fastening the left and right ends with screws 47.
- the lead wires 63 drawn out from both fan devices 60 are drawn into the machine room 16 through the through holes 29Y of the unit base 21, and are similarly led to the electrical box 37.
- An internal thermistor 64 for detecting the internal temperature is installed so as to be positioned between the cooler 28 and the fan device 60.
- the present embodiment has the structure as described above, and the vicinity of the cooler chamber 23 is assembled as follows, for example.
- a refrigeration unit 25 is placed on the upper surface of the unit table 21, and a cooler 28 and an in-house thermistor 64 are attached to the lower surface.
- a heater 50 is wired on the upper surface of the main body 52 of the heating plate 51, and a pair of fan devices 60 are attached to the upper surface of the fan mounting portion 56.
- the main body 52 of the heating plate 51 is applied to the lower surface of the cooler 28 attached to the lower surface of the unit base 21, and is fastened and fixed with screws 47.
- the mounting portion 58 at the front edge of the fan mounting portion 56 is fastened and fixed to the front legs 21X of the unit base 21 with screws 47.
- the lead wire 63 of the fan device 60 and the lead wire of the internal thermistor 64 are drawn to the upper surface side through the through hole 29Y.
- the wall 40 force hooks 45 of the vertical mounting plate 44 are hooked to the hook portion 32 on the opening 18 side, and the front mounting plate 46 is screwed 47. It is stretched by stopping at. At this time, the drain port 48 is fitted into the upper end of the drain channel 33.
- the cooler chamber 23 is formed by placing the unit base 21 so as to block the opening 18, and a cooler chamber 23 is formed at the back of the cooler chamber 23 as shown in FIG. 28 is accommodated with the heater 50 mounted on the lower surface, and two fan devices 60 are mounted on the fan mounting portion 56 extended from the heating plate 51 and installed on the front side. .
- the cooling operation is performed by driving the refrigeration apparatus 25 (compressor 26) and the fan apparatus 60, and as shown by the arrow in FIG. After being sucked into the cooler chamber 23 and passing through the fan device 60, heat is exchanged while passing through the cooler 28 from the front to the rear, and cold air is generated.
- the inside of the storage room 12 is cooled by being circulated so as to be blown into the inside.
- the internal temperature is detected by the internal thermistor 64, and the drive and stop of the refrigeration unit 25 and the fan unit 60 are controlled depending on whether the detected temperature is higher or lower than the set temperature. The internal temperature is maintained at the set temperature.
- frost gradually adheres to the cooler 28.
- the case 62 is cooled to the same level as the inside temperature, and the outside air that has entered when the heat insulating door 15 is opened is in a position where it can be easily touched through the air inlet 42. Case 62 may form frost depending on conditions such as low internal temperature and high temperature and humidity outside.
- a defrosting operation is appropriately performed during the cooling operation.
- the defrosting operation is performed by energizing and heating the heater 50 with the refrigeration apparatus 25 and the fan apparatus 60 stopped.
- the frost adhering to the cooler 28 is melted, and the defrost water is dripped onto the wall 40 through the drain hole 53 provided in the main body 52 of the heating plate 51.
- the heat of the heater 50 is also conducted to the fan device 60 through the heating plate 51, and the frost adhering to the fan device 60 is also melted by receiving the heat.
- the heating plate 51 After passing through the heating plate 51, it is dropped on the wall 40.
- This defrost water also flows with the defrost water from the cooler 28 described above and flows down to the deepest part of the rear edge following the inclination of the bottom surface of the wall 40, and then the drain port 48 Force is also flowed into the drainage channel 33 on the back wall and drained out of the warehouse.
- a defrosting thermistor (not shown) detects the temperature of the cooler 28.
- the temperature of the cooler 28 reaches a predetermined temperature, it is considered that the defrosting is completed, and the heater 50 is turned on.
- the cooling operation is resumed after the power is cut off and after a predetermined drainage time.
- the fan mounting portion 56 is provided on the heating plate 51 provided with the defrosting heater 50 and attached to the lower surface of the cooler 28.
- the heat of the heater 50 is conducted to the fan device 60 through the fan mounting portion 56 of the heating plate 51, and the fan device 60 is efficiently defrosted.
- the cold heat of the cooler 28 is transmitted to the fan device 60 via the heating plate 51.
- the fan device 60 is driven, the fan (blade) itself is rotating, and the case 62 is also blown by the wind.
- the cooler 28 is not cooled more than necessary due to the cold heat of the cooler 28 and promotes frost formation.
- the fan device 60 is repeatedly operated and stopped depending on whether the internal temperature is higher or lower than the set temperature in both the refrigeration devices 25, the operation of the fan device 60 is stopped. This is a power that can be said to be easy to form frost when the fan stops. Since the temperature of the cooler 28 increases as the refrigeration system 25 stops, frost formation on the fan or the like can be minimized.
- the fan device 60 Since the fan device 60 has a relatively large weight and is provided with a plurality of units, when the fan device 60 is mounted on the synthetic resin wall 40 as in the past, the fan device 60 is being transported to the cooling storage. There is also a concern that the fan device 60 and the wall 40 themselves may come off when subjected to vibration.
- the fan device 60 is attached to a heating plate 51 made of a highly rigid stainless steel plate, and the heating plate 51 is connected to the unit base 21 and the cooler 28 on both sides thereof. Since it is firmly fixed with the screw 47, even if it receives vibration as described above, it prevents the fan unit 60 from being removed or the fan unit 60 from being removed to remove the lighter wall 40 side. Is done.
- the wall device 40 is not equipped with the fan device 60, and the wall 40 can be easily removed alone while loosening the screw 47 and removing the hook 45 from the hooking portion 32. As a result, the lower part of the cooler 28 is opened, and the cooler 28 can be easily cleaned.
- FIG 5 and 6 show Embodiment 2 of the present invention.
- the shape of the heating plate 51A is changed.
- the guard plate 65 is formed by opening a large number of punch holes 66 from the front edge of the mounting portion 58 as compared to the heating plate 51 shown in the first embodiment. Is bent in a drooping shape. Then, as shown in FIG. 5, when the mounting part 58 of the heating plate 51A is attached to the front leg 21X of the unit base 21, the guard part 65 is arranged to hang down immediately inside the suction port 42 of the wall 40. It comes to be.
- the foreign matter interferes with the fan motor 61 of the fan device 60 through the suction port 42 and is blocked by the force guard portion 65 and prevented.
- the guard portion 65 may also form frost. Since it is formed on the body, during the defrosting operation, the heat of the heater 50 is conducted to the guard part 65 through the heating plate 51A and is efficiently defrosted. Since the guard portion 65 is disposed in the wall 40, all defrost water is received by the wall 40 and does not drip into the storage.
- the suction port 42 is notched on the front wall 41X side of the wall 40B, and the suction port 42B is also opened at the front end portions of the left and right side walls 41Z. .
- the lower edges of both suction ports 42B are located slightly higher than the bottom surface of the wall 40B.
- the left and right mounting plates 44 provided with the hooks 45 are also provided with window holes 68 at positions corresponding to the insides of the left and right suction ports 42B.
- a guard portion 65B located just inside the window hole 68 in the left and right mounting plates 44 is formed on the heating plate 51B. It has been.
- This guard portion 65B also has a structure in which a large number of punch holes 66 are opened.
- the air inlets 42, 42B for the internal air are formed on the three sides of the left and right side walls 41Z sandwiching the front wall 4IX of the wall 40B, so that a predetermined In order to secure the suction area, the suction port 42 facing the doorway 14 on the front surface of the storage body 10 can be narrowed. Therefore, the amount of outside air that intrudes as the heat insulating door 15 opens and closes can be reduced, and frost formation on the guard portions 65 and 65B and the fan device 60 can be suppressed.
- guard portion 65, 65B force is formed over three surfaces and has a large area, it is dispersed when exposed to outside air, and frost formation is difficult.
- guard portions 65 and 65B are frosted, since they are formed integrally with the heating plate 51B, the heat of the heater 50 is conducted to the guard portions 65 and 65B during the defrosting operation, and the fan device 60 Both are efficiently defrosted. Similarly, since the guard parts 65 and 65B are arranged in the wall 40B, all the defrost water is received by the wall 40B and does not drip into the cabinet.
- a heat conducting member 70 is provided.
- This heat conducting member 70 is made of gold
- the metal plate is formed by pressing, and a groove 72 is formed in the central portion of the substrate 71 in the width direction.
- the rear edge communicates with the groove 72 to open the upper surface of the pipe portion 7 3 Is formed to extend.
- the pipe portion 73 can be fitted tightly with its ends aligned in the drain port 48C of the wall 40C.
- Locking claws 74 are formed by cutting and raising on the left and right side surfaces of the nove portion 73, and locking holes 75 for locking the locking claws 74 are formed on the left and right side surfaces of the drain port 48C.
- An introduction port 76 is opened on the bottom side of the left and right side surfaces on the proximal end side of the pipe portion 73. Further, a tongue-shaped draining portion 77 is bent from the tip of the pipe portion 73.
- the substrate 71 of the heat conducting member 70 is applied to the bottom surface on the rear side of the main body 52 of the heating plate 51, and is bonded by spot welding or the like.
- a pair of left and right suction ports 42C are opened at an interval on the front wall of the wall 40C.
- a flange-like mounting plate 46C is formed over almost the entire width of the upper edge of the front wall, and through holes 78 are opened at both left and right ends thereof.
- Both side holes 78 ⁇ are inserted with a decorative screw 47 C that can be rotated by coins C, screwed into a screw hole 79 cut on the front edge side of the opening 18 in the ceiling surface of the storage body 10, and tightened. Therefore, it is fixed.
- a magnet 81 is attached to the central portion of the mounting plate 46C in the width direction, and a reed switch 82 sensitive to the magnet 81 is embedded at a corresponding position on the ceiling surface of the storage body body 10.
- the detecting means 80 for detecting whether or not the wall 40C is attached is configured.
- the assembly is performed as follows.
- the heat conducting member 70 is bonded to the heating plate 51 as described above, and is assembled as a part of the refrigeration unit 20 when the heating plate 51 to which the fan device 60 is attached is attached to the lower surface of the cooler 28.
- the wall 40C is stretched in advance, and the drainage port 48C is inserted into the drainage channel 33.
- the defrosting operation is similarly performed by energizing and heating the heater 50, and the defrosting water from the cooler 28 is heated through the drain holes 53 provided in the main body 52 of the heating plate 51. Drops into the groove 72 of the conductive member 70 and flows into the pipe part 73, or drops onto the wall 40C from the drain hole 53 and flows down to the deepest part, and then flows into the pipe part 73 from the inlet 76. Then, it is drained toward the drainage channel 33.
- the fan device 60 When the fan device 60 is frosted, the heat of the heater 50 is also conducted to the fan device 60 through the heating plate 51, so that the defrost water is efficiently removed. After being received at 40C, it is discharged through pipe section 73.
- the heat of the heater 50 is conducted via the heating plate 51 to the pipe portion 73 of the heat conducting member 70 bonded integrally therewith to heat it. Therefore, even if there is icing, this is melted to eliminate clogging, and as a result, the defrost water is drained smoothly. That is, it is not necessary to provide a special heating means to prevent clogging at the drain port 48C of the wall 40C.
- the detection means 80 for detecting whether or not the wall 40C is attached is provided. For example, when cleaning is performed as described above, the power is basically turned off, but even if it is forgotten, if the detection means 80 detects that the wall 40C has been removed, If a warning is issued and the fan device 60 is stopped, it is possible to prevent cleaning with the fan device 60 rotating.
- Embodiment 5 of the present invention will be described with reference to FIGS. 14 and 15.
- the front side of the fan device 60 force cooler 28 is arranged in a posture parallel to the front end face of the cooler 28. Therefore, a fan mounting portion 56D is formed from the front edge of the main body portion 52 of the heating plate 51D so as to extend forward by a predetermined dimension and then be raised at a right angle.
- the fan mounting portion 56D is similarly formed with two left and right circular holes 57, and the fan device 60 is applied from the back side so as to cover the circular holes 57, and the four corners of the case 62 are fixed with screws 47. It is fixed by that!
- the fan mounting portion 56D is formed with mounting portions 58D that are bent at a right angle forward at the upper edge and the left and right side edges.
- the top mounting part 58D is fixed to the bottom surface of the unit base 21 with screws 47.
- a side panel 85 is stretched across the gap between the left and right attachment portions 58D and the side surface of the cooler 28. As a result, the internal air drawn by the fan device 60 is reliably guided to the cooler 28.
- a fan guard 86 is provided so as to cover the front of the fan mounting portion 56D.
- the fan guard 86 is formed in a box shape having an upper surface and a rear surface opened by a metal plate, and a large number of punch holes 87 are opened on each surface.
- the left and right side plates of the fan guard 86 are fitted to the outside of the left and right mounting portions 58D, and are fastened together by screws.
- the thermistor 64 is attached to the front of the fan guard 86!
- the air inlet 42D for the internal air is provided on the lower surface of the front end side of the wall 40D. Specifically, a raised portion 88 is formed in a region in front of the position where the fan guard 86 is disposed, and a large number of slits 89 are formed side by side on the upper surface thereof.
- the fan guard 86 is disposed so as to cover the front of the fan device 60. Therefore, for example, when the maintenance is performed by removing the wall 40D, the fan guard 86 rotates! / Interference of foreign matter with the fan motor 61 of the fan device 60 is prevented. Since the fan guard 86 is formed over four sides and has a large area! / Swells, it is difficult to disperse and form frost when it is exposed to the outside air, thus preventing clogging.
- the fan guard 86 Even if the fan guard 86 is frosted, the fan guard 86 is integrally coupled with the heating plate 51D. Therefore, during the defrosting operation, the heat of the heater 50 passes through the heating plate 51D. Is efficiently defrosted. Since the fan guard 86 is disposed behind the suction opening 42D in the wall 40D, all the defrost water is received by the wall 40D and does not drip into the cabinet.
- Embodiment 6 of the present invention will be described with reference to FIG.
- the fan device 60 is mounted on the wall 40E.
- the basic structure is that a suction port 42E is opened on the front end side of the lower surface of the wall 40E, a fan device 60 is mounted on the inner surface side of the suction port 42E, and a fan guard 90 is mounted on the outer surface side.
- the heater 50 is mounted in a zigzag manner on the lower surface of the cooler 28, and the downward force of the cooler 28 is also placed on the wall 40E at the position where the fan device 60 is disposed.
- a metal heat transfer plate 91 corresponding to the heat conduction member is laid.
- the defrosting operation is performed by energizing the heater 50, and the defrosting water from the cooler 28 is received by the wall 40E and drained.
- the defrosting thermistor 93 detects that the cooler 28 has risen to a predetermined temperature, it is considered that the defrosting has been completed and the defrosting operation is completed.
- the fan device 60 may also form frost.
- the heat transfer plate 91 is heated by receiving the radiant heat from the heater 50 and the cooler 28, and the frost mass that has fallen on the heat transfer plate 91 is also melted. I was trying to blur. However, because the heating of the heat transfer plate 91 depends on the radiant heat from the heater 50 and the cooler 28 as described above! /, The temperature rise cannot be expected so much and it may not be melted sufficiently. It was hot.
- the end portion 50X of the heater 50 is lowered and brought into contact with the heat transfer plate 91.
- the heat transfer plate 91 is heated sufficiently by the heater 50 to be heated directly, that is, by heat transfer, and the defrosting on the fan device 60 side such as the fan guard 90 is also ensured. Can be done.
- FIG. 17 shows Embodiment 7 of the present invention.
- the basic structure is the same as that of the sixth embodiment, and the heating structure of the heat transfer plate 91 is changed.
- a contact plate 95 made of a metal plate provided with a bent portion 96 on one edge side is provided, and this contact plate 95 is formed on the back side of the fan device 60 on the heat transfer plate 91 by spot welding or the like.
- the tip of the bent portion 96 is in contact with the lower surface of the cooler 28.
- the heat of the cooler 28 is conducted to the heat transfer plate 91 through the contact plate 95.
- the defrosting of the fan device 60 such as the fan guard 90 can be reliably performed at a high temperature.
- the front end side of the mounting plate 44 may be cut out instead of opening the window holes 68 in the left and right mounting plates 44 of the wall 40B.
- the suction port may be provided only on either the left or right side with the front face.
- the heat conducting member 70 may be attached to the lower surface of the cooler 28.
- the heat conducting member is not necessarily provided with a pipe portion that fits into the drain outlet. It is also possible to provide only a contact portion that contacts the drain outlet.
- the contact plate may be formed integrally by cutting and raising the wall plate.
- the contact plate may come into contact with the heater.
- the heating means for defrosting is not limited to a heater, and may be a hot gas pipe through which hot gas is circulated.
- the present invention is not limited to the case where the cooler chamber is provided in the ceiling portion of the storage chamber, but is also applied to a type in which the cooler chamber is provided in other portions such as the side surface of the storage chamber. Is possible
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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)
- Removal Of Water From Condensation And Defrosting (AREA)
- Defrosting Systems (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05767002A EP1783445A1 (en) | 2004-08-04 | 2005-07-27 | Cooling storage |
JP2006531416A JP4653749B2 (ja) | 2004-08-04 | 2005-07-27 | 冷却貯蔵庫 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-228070 | 2004-08-04 | ||
JP2004228070 | 2004-08-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006013762A1 true WO2006013762A1 (ja) | 2006-02-09 |
Family
ID=35787051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/013739 WO2006013762A1 (ja) | 2004-08-04 | 2005-07-27 | 冷却貯蔵庫 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1783445A1 (ja) |
JP (1) | JP4653749B2 (ja) |
WO (1) | WO2006013762A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006087107A1 (de) * | 2005-02-16 | 2006-08-24 | Liebherr-Hausgeräte Ochsenhausen GmbH | Kühl- und/oder gefriergerät |
JP2012189257A (ja) * | 2011-03-10 | 2012-10-04 | Mitsubishi Heavy Ind Ltd | 輸送用冷凍装置のエバポレータユニット |
WO2013084473A1 (ja) * | 2011-12-09 | 2013-06-13 | パナソニック株式会社 | 冷蔵庫 |
JP2013120047A (ja) * | 2011-12-09 | 2013-06-17 | Panasonic Corp | 冷蔵庫 |
JP2013160463A (ja) * | 2012-02-07 | 2013-08-19 | Panasonic Corp | 冷蔵庫 |
JP2014156999A (ja) * | 2013-02-18 | 2014-08-28 | Hoshizaki Electric Co Ltd | 貯蔵庫 |
WO2015035863A1 (zh) * | 2013-09-10 | 2015-03-19 | 海尔亚洲国际株式会社 | 冰箱 |
KR101611274B1 (ko) * | 2009-07-30 | 2016-04-11 | 엘지전자 주식회사 | 냉장고 |
WO2017017850A1 (ja) * | 2015-07-30 | 2017-02-02 | 三菱電機株式会社 | 冷凍冷蔵庫 |
JP2021060135A (ja) * | 2019-10-03 | 2021-04-15 | フクシマガリレイ株式会社 | 貯蔵庫 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202007013031U1 (de) * | 2007-09-17 | 2007-11-22 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit Tauwasserkanal |
KR101559787B1 (ko) * | 2009-01-21 | 2015-10-13 | 엘지전자 주식회사 | 냉장고 |
KR101637443B1 (ko) * | 2009-07-15 | 2016-07-07 | 엘지전자 주식회사 | 냉장고용 제상히터 및 이를 구비한 냉장고 |
KR101954142B1 (ko) * | 2010-07-20 | 2019-03-05 | 엘지전자 주식회사 | 냉장고 |
EP2976582B1 (en) * | 2013-03-19 | 2017-10-25 | Maersk Container Industry A/S | Increased cargospace in a container |
US10495369B2 (en) | 2016-12-02 | 2019-12-03 | Bsh Hausgeraete Gmbh | Refrigeration device comprising a fan with an heat-conducting element |
CN107477940A (zh) * | 2017-07-10 | 2017-12-15 | 青岛海尔特种电器有限公司 | 一种医疗冷柜 |
US11994335B2 (en) * | 2021-12-29 | 2024-05-28 | True Manufacturing Co., Inc. | Self-contained reach-in refrigerator |
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JPH0583682U (ja) * | 1992-04-07 | 1993-11-12 | 三菱電機株式会社 | 冷却装置 |
JPH11248328A (ja) * | 1998-03-04 | 1999-09-14 | Matsushita Refrig Co Ltd | 冷蔵庫 |
JP2001304746A (ja) * | 2000-04-14 | 2001-10-31 | Hoshizaki Electric Co Ltd | 冷却ユニット |
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JPH03274370A (ja) * | 1990-03-26 | 1991-12-05 | Matsushita Refrig Co Ltd | 冷蔵庫 |
JP3086181B2 (ja) * | 1996-10-16 | 2000-09-11 | ホシザキ電機株式会社 | 冷却貯蔵庫 |
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2005
- 2005-07-27 WO PCT/JP2005/013739 patent/WO2006013762A1/ja active Application Filing
- 2005-07-27 EP EP05767002A patent/EP1783445A1/en not_active Withdrawn
- 2005-07-27 JP JP2006531416A patent/JP4653749B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0583682U (ja) * | 1992-04-07 | 1993-11-12 | 三菱電機株式会社 | 冷却装置 |
JPH11248328A (ja) * | 1998-03-04 | 1999-09-14 | Matsushita Refrig Co Ltd | 冷蔵庫 |
JP2001304746A (ja) * | 2000-04-14 | 2001-10-31 | Hoshizaki Electric Co Ltd | 冷却ユニット |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006087107A1 (de) * | 2005-02-16 | 2006-08-24 | Liebherr-Hausgeräte Ochsenhausen GmbH | Kühl- und/oder gefriergerät |
US8443618B2 (en) | 2005-02-16 | 2013-05-21 | Liebherr-Hausgeraete Ochsenhausen Gmbh | Refrigerating and/or freezing appliance |
KR101611274B1 (ko) * | 2009-07-30 | 2016-04-11 | 엘지전자 주식회사 | 냉장고 |
JP2012189257A (ja) * | 2011-03-10 | 2012-10-04 | Mitsubishi Heavy Ind Ltd | 輸送用冷凍装置のエバポレータユニット |
WO2013084473A1 (ja) * | 2011-12-09 | 2013-06-13 | パナソニック株式会社 | 冷蔵庫 |
JP2013120047A (ja) * | 2011-12-09 | 2013-06-17 | Panasonic Corp | 冷蔵庫 |
JP2013160463A (ja) * | 2012-02-07 | 2013-08-19 | Panasonic Corp | 冷蔵庫 |
JP2014156999A (ja) * | 2013-02-18 | 2014-08-28 | Hoshizaki Electric Co Ltd | 貯蔵庫 |
WO2015035863A1 (zh) * | 2013-09-10 | 2015-03-19 | 海尔亚洲国际株式会社 | 冰箱 |
WO2017017850A1 (ja) * | 2015-07-30 | 2017-02-02 | 三菱電機株式会社 | 冷凍冷蔵庫 |
JP2021060135A (ja) * | 2019-10-03 | 2021-04-15 | フクシマガリレイ株式会社 | 貯蔵庫 |
JP7377667B2 (ja) | 2019-10-03 | 2023-11-10 | フクシマガリレイ株式会社 | 貯蔵庫 |
Also Published As
Publication number | Publication date |
---|---|
JP4653749B2 (ja) | 2011-03-16 |
EP1783445A1 (en) | 2007-05-09 |
JPWO2006013762A1 (ja) | 2008-05-01 |
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